CN105485858B - The control method and air conditioner of air conditioner - Google Patents
The control method and air conditioner of air conditioner Download PDFInfo
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- CN105485858B CN105485858B CN201610005183.5A CN201610005183A CN105485858B CN 105485858 B CN105485858 B CN 105485858B CN 201610005183 A CN201610005183 A CN 201610005183A CN 105485858 B CN105485858 B CN 105485858B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
Abstract
The present invention provides a kind of control method of air conditioner and air conditioners.Wherein air conditioner includes solar generation component, energy storage component, external power interface and consuming parts, and above-mentioned control method includes：The target temperature for obtaining setting respectively and the environment temperature where air conditioner, and calculate the temperature difference of target temperature and environment temperature；Temperature difference is compared with preset temperature threshold；In the case where temperature difference is greater than or equal to temperature threshold, it selects one in solar generation component, energy storage component, external power supply to be powered to consuming parts according to the voltage of the voltage value of solar generation component and energy storage component, and controls the compressor in consuming parts and run according to predeterminated frequency；And in the case where temperature difference is less than temperature threshold, control compressor runs according to predeterminated frequency or is run less than predeterminated frequency.Using the solution of the present invention, the consumption to external electric energy is reduced, efficiency of energy utilization is improved.
Description
Technical field
The present invention relates to a kind of field of air conditioner control, more particularly to the control method and air conditioner of a kind of air conditioner.
Background technology
It is existing as the consciousness of user's energy-saving and emission-reduction gradually increases and the development of the renewable energy technologies such as solar energy
Occur in technology by solar panel solar generation component be installed on air-conditioner outdoor unit surface or near, use the sun
The electric energy that can be converted is used to power to air conditioner.
Now existing solar powered air-conditioning mainly uses two kinds of powering modes in the art, and one is generate solar energy
The direct inversion of electric energy be alternating current, directly to air-conditioning provide, this mode is due to the solar powered shadow by sunlight intensity
Sound is larger, and the transfer efficiency of inversion is low, affects the normal operation of air conditioner.
Another way is to increase the energy storage components such as setting accumulator, and the electric energy generated using solar energy is filled to energy storage component
Electricity, and there is energy storage component to power to air conditioner.However make to be powered in this way, one side energy storage component is in work always
Make state, shorten the Acceptable life of energy storage component, in addition the electric energy of energy storage component itself also will appear loss, lead to electricity
The waste of energy.And due to the operating mode of air conditioner difference, there is also difference for the electric energy power needed, take different operating modes
Identical power supply mode can also influence the functional reliability of power supply part.
Invention content
In view of the above problems, it is proposed that the present invention overcoming the above problem in order to provide one kind or solves at least partly
State the control method and air conditioner of the air conditioner of problem.
A further object of the present invention is to improve the power supply reliability of air conditioner and economy.
A further object of the present invention is to extend the service life of energy storage component.
According to an aspect of the present invention, the present invention provides a kind of control methods of air conditioner.The control method is applicable in
Air conditioner include solar generation component, energy storage component, external power interface and consuming parts, wherein consuming parts are matched
One be set in the external power supply for controllably selecting to be connected by solar generation component, energy storage component and external power interface
A offer electric energy, and control method includes：The target temperature for obtaining setting respectively and the environment temperature where air conditioner, and count
Calculate the temperature difference of target temperature and environment temperature；Temperature difference is compared with preset temperature threshold；Be more than in temperature difference or
In the case of equal to temperature threshold, solar energy hair is selected according to the voltage of the voltage value of solar generation component and energy storage component
One in electrical components, energy storage component, external power supply is powered to consuming parts, and controls the compressor in consuming parts and press
It is run according to predeterminated frequency；And temperature difference be less than temperature threshold in the case of, according to the voltage value of solar generation component with
And the voltage of energy storage component selects one in solar generation component, energy storage component, external power supply to be supplied to consuming parts
Electricity, and control compressor and run according to predeterminated frequency or run less than predeterminated frequency.
Optionally, in the case where temperature difference is greater than or equal to temperature threshold, the step of being powered to consuming parts, wraps
It includes：The voltage value of the voltage value of solar generation component and energy storage component is compared with preset first voltage threshold value；
The voltage value of solar generation component be greater than or equal to first voltage threshold value in the case of, using solar generation component to
Electrical components are powered；It is more than or waits less than the voltage value of first voltage threshold value and energy storage component in the voltage value of solar generation component
In the case of first voltage threshold value, powered to consuming parts using energy storage component；In the voltage value and energy storage part of energy storage component
In the case that the voltage value of part is respectively less than first voltage threshold value, the external power supply connected using external power interface is to consuming parts
Power supply.
Optionally, in the case where temperature difference is less than temperature threshold, the step of being powered to consuming parts, includes：It will too
The voltage value of positive energy electrical generation components is compared respectively with default first voltage threshold value, big in the voltage value of solar generation component
In or equal in the case of first voltage threshold value, powered to consuming parts using solar generation component, and make compressor according to
Predeterminated frequency is run；In the case where the voltage value of solar generation component is less than first voltage threshold value, by solar power generation portion
The voltage value of part is compared respectively with preset second voltage threshold value, and wherein second voltage threshold value is less than first voltage threshold value；
The voltage value of solar generation component be greater than or equal to second voltage threshold value in the case of, using solar generation component to
Electrical components are powered, and make compressor to be run less than the state of predeterminated frequency；It is less than the in the voltage value of solar generation component
In the case of two voltage thresholds, the voltage value of energy storage component and first voltage threshold value and second voltage threshold value are compared respectively
Compared with, the voltage value of energy storage component be greater than or equal to first voltage threshold value in the case of, using energy storage component to consuming parts supply
Electricity, and compressor is made to be run according to predeterminated frequency；It is less than first voltage threshold value in the voltage value of energy storage component but is greater than or equal to
In the case of second voltage threshold value, powered to consuming parts using energy storage component, and make compressor with the shape less than predeterminated frequency
State is run；And in the case where the voltage value of energy storage component is less than second voltage threshold value, using external power supply to consuming parts
Power supply, and compressor is made to be run according to predeterminated frequency.
Optionally, first voltage threshold value and second voltage threshold value are configured according to the rated voltage of consuming parts.
Optionally, first voltage threshold value is set as 0.9 times of the rated voltage of consuming parts, and second voltage threshold value is set as
0.6 times of the rated voltage of consuming parts.
Optionally, in control compressor to include the step of operation less than the state of predeterminated frequency：It calculates to consuming parts
The voltage ratio of the rated voltage of the supply voltage and consuming parts that are powered；It is calculated according to voltage ratio and predeterminated frequency
Obtain the frequency of compressor frequency reducing operation.
According to another aspect of the present invention, a kind of air conditioner is additionally provided.The air conditioner include solar generation component,
Energy storage component, external power interface and consuming parts, wherein consuming parts include at least compressor, and are configured to controllably
One in the external power supply that selection is connected by solar generation component, energy storage component and external power interface provides electric energy,
And air conditioner further includes：Temperature detection part is configured to obtain the target temperature of setting and the environment where air conditioner respectively
Temperature, and calculate the temperature difference of target temperature and environment temperature；First voltage detection part is configured to detection solar power generation portion
The voltage value of part；Second voltage detection part is configured to the voltage value of detection energy storage component；And power supply control component, configuration
It is compared with preset temperature threshold at by temperature difference；In the case where temperature difference is greater than or equal to temperature threshold, according to too
In the voltage value of positive energy electrical generation components and the voltage selection solar generation component of energy storage component, energy storage component, external power supply
One be powered to consuming parts, and control the compressor in consuming parts and run according to predeterminated frequency；It is small in temperature difference
In the case of temperature threshold, solar power generation is selected according to the voltage of the voltage value of solar generation component and energy storage component
One in component, energy storage component, external power supply is powered to consuming parts, and controls compressor and run according to predeterminated frequency
Or it is run less than predeterminated frequency.
Optionally, power supply control component is configured in the case where temperature difference is greater than or equal to temperature threshold：By the sun
The voltage value of energy electrical generation components and the voltage value of energy storage component are compared with preset first voltage threshold value；It is sent out in solar energy
In the case that the voltage value of electrical components is greater than or equal to first voltage threshold value, supplied to consuming parts using solar generation component
Electricity；The voltage value for being less than first voltage threshold value and energy storage component in the voltage value of solar generation component is greater than or equal to the first electricity
In the case of pressing threshold value, powered to consuming parts using energy storage component；And voltage value and energy storage component in energy storage component
In the case that voltage value is respectively less than first voltage threshold value, supplied to consuming parts using the external power supply that external power interface connects
Electricity.
Optionally, power supply control component is configured in the case where temperature difference is less than temperature threshold：By solar power generation
The voltage value of component is compared respectively with default first voltage threshold value, is greater than or equal in the voltage value of solar generation component
In the case of first voltage threshold value, powered to consuming parts using solar generation component, and make compressor according to predeterminated frequency
Operation；In the case where the voltage value of solar generation component is less than first voltage threshold value, by the voltage of solar generation component
Value is compared respectively with preset second voltage threshold value, and wherein second voltage threshold value is less than first voltage threshold value；In solar energy
In the case that the voltage value of electrical generation components is greater than or equal to second voltage threshold value, supplied to consuming parts using solar generation component
Electricity, and make compressor to be run less than the state of predeterminated frequency；It is less than second voltage threshold in the voltage value of solar generation component
In the case of value, the voltage value of energy storage component and first voltage threshold value and second voltage threshold value are compared respectively, in energy storage
In the case that the voltage value of component is greater than or equal to first voltage threshold value, powered to consuming parts using energy storage component, and make pressure
Contracting machine is run according to predeterminated frequency；It is less than first voltage threshold value in the voltage value of energy storage component but is greater than or equal to second voltage threshold
It in the case of value, is powered to consuming parts using energy storage component, and makes compressor to be run less than the state of predeterminated frequency；And
In the case where the voltage value of energy storage component is less than second voltage threshold value, powered to consuming parts using external power supply, and make pressure
Contracting machine is run according to predeterminated frequency.
Optionally, first voltage threshold value and second voltage threshold value are configured according to the rated voltage of consuming parts；Its
Middle first voltage threshold value is set as 0.9 times of the rated voltage of consuming parts, and second voltage threshold value is set as the volume of consuming parts
0.6 times of constant voltage；And in the case where controlling compressor to be run less than the state of predeterminated frequency, according to electricity consumption portion of institute
Compressor is calculated in the voltage ratio and predeterminated frequency of the rated voltage of supply voltage and consuming parts that part is powered
The frequency of frequency reducing operation.
Optionally, above-mentioned air conditioner further includes：Electric energy transition components, be set to consuming parts and solar generation component with
And between the output interface of energy storage component, and it is configured to the output electric energy of solar generation component or the output of energy storage component
Electric energy is converted to the electric energy for meeting consuming parts power requirement.
The air conditioner and its control method of the present invention, according to the temperature difference of target temperature and environment temperature, to air conditioner
Operating condition distinguishes, to formulate corresponding control strategy.In the case where temperature difference is greater than or equal to temperature threshold, according to
The voltage value and the voltage selection solar generation component of energy storage component, energy storage component, external power supply of solar generation component
In one be powered to consuming parts, and control the compressor in consuming parts and run according to predeterminated frequency, ensure air-conditioning
Device can reduce the gap with target temperature as early as possible.In the case where temperature difference is less than temperature threshold, according to solar power generation portion
One in the voltage of the voltage value of part and energy storage component selection solar generation component, energy storage component, external power supply to
Electrical components are powered, and are controlled compressor and run according to predeterminated frequency or run less than predeterminated frequency, that is, can profit
With down conversion process, it is preferable to use solar generation component is powered, the economy of air conditioner power supply is improved, is reduced to outside
The consumption of electric energy, and the service life of energy storage component can be extended to avoid being powered for a long time using energy storage component, it improves
Energy efficiency.
Further, the control method of air conditioner of the invention, according to solar generation component and the electricity of energy storage component
Pressure carries out power supply control, fully meets the power reguirements of air conditioner consuming parts, ensures the power supply reliability of air conditioner, both ensured
The comfort of user needs to save electric energy again.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of air conditioner according to an embodiment of the invention；
Fig. 2 is the electronic schematic diagram of air conditioner according to an embodiment of the invention；And
Fig. 3 is the schematic diagram of the control method of air conditioner according to an embodiment of the invention；
Fig. 4 is a kind of particular flow sheet of the control method of air conditioner according to an embodiment of the invention；
Fig. 5 is that the control method of air conditioner according to an embodiment of the invention is applied to the flow in the case of heating mode
Figure；And
Fig. 6 is that the control method of air conditioner according to an embodiment of the invention is applied to the flow in the case of refrigeration mode
Figure.
Specific implementation mode
The embodiment of the present invention provides firstly a kind of air conditioner, which is powered jointly using using multiple power supplys, and
It is switched over by being controlled automatically at multiple power supplys, under the premise of ensureing power supply reliability, reduces the use cost of air conditioner,
Reduce the consumption to external electric energy.
Fig. 1 is the schematic diagram of air conditioner 100 according to an embodiment of the invention.The air conditioner is provided with solar power generation
Component 110, energy storage component 120, external power interface 130 and consuming parts 140.
The device that solar energy is translates directly into electric energy by solar panel etc. may be used in solar generation component 110.
The solar generation component 110 can be arranged in the surface of 100 outdoor unit of air conditioner or the outdoor unit of neighbouring air conditioner 100
In environment, to ensure the abundant irradiation of sunlight, and convenient for carrying out the arrangement of Electric Wires ＆ Cables using the cabling channel of outdoor unit.
Energy storage component 120 is preferably using the dress for having the storage electric energy such as accumulator, super capacitor, lithium battery of certain capacity
It sets.Energy storage component 120 can be charged using the energy that solar generation component 110 generates, and when meeting certain condition
It is powered to the consuming parts 140 of air conditioner.
The attaching plug of household electrical appliance may be used in external power interface 130, for connecting external power supply, such as daily family
Front yard electricity consumption generally uses 220V or 380V, the industrial-frequency alternating current of 50Hz in regional.
Consuming parts 140 are the summation of the various power loads of air conditioner 100, such as refrigerant circulation component, wind turbine, control
Plate, motor etc..Consuming parts 140 are controllably selected by solar generation component 110, energy storage component 120, external power interface
One in 130 is powered.Frequency-changeable compressor 141 is included at least in consuming parts 140, which is refrigeration cycle
Power is provided, to realize the refrigeration cycle of compression, condensation (heat release), expansion, evaporation (heat absorption).
Above-mentioned consuming parts 14 can select power supply, preferentially adopt in air conditioner 100 according to the operating condition of air conditioner 100
The electric energy that solar energy is converted is used as power supply, under the premise of ensureing power supply reliability, reduces the use cost of air conditioner 100,
The consumption to external electric energy is reduced, and ensures thermoregulation effect.
Illustratively, the voltage value of solar generation component 110 is denoted as u1 below, by the voltage of energy storage component 120
Value is denoted as u2, and the parameter of other settings includes：First voltage threshold value is denoted as ua, second voltage threshold value is denoted as ub, by electricity consumption
The rated voltage of component is denoted as un, target temperature is denoted as t1, the environment temperature t2 where air conditioner 100, warm under heating condition
Poor Δ t=t1-t2, the temperature difference Δ t=t2-t1 under cooling condition are spent, temperature threshold is denoted as tn, 141 predeterminated frequency of compressor
fn.When being judged, temperature difference Δ t can also utilize the absolute value and temperature threshold of target temperature and environment temperature t2 differences
Tn is compared.
To realize that the above effect, the air conditioner 100 of the present embodiment further comprise：Temperature detection part 160, first voltage
Detection part 111, second voltage detection part 121, power supply control component 150.
Temperature detection part 160 is to be configured to obtain the environment temperature of the target temperature t1 and 100 place of air conditioner of setting
T2, and calculate temperature difference Δ t (under the heating condition Δ t=t1-t2, in cooling condition of target temperature t1 and environment temperature t2
Lower Δ t=t2-t1), wherein target temperature t1 is that air conditioner 100 needs that its working environment is made to reach temperature, and environment temperature t2 can
To be obtained using the temperature sensor detection being arranged in the environment at 100 place of air conditioner.First voltage detection part 111 can be with
It is configured to the voltage u1 of detection solar generation component 110；Second voltage detection part 121 can be configured to detection energy storage component
120 voltage value u2.First voltage detection part 111 and second voltage detection part 121 can require to set according to voltage detecting
It is equipped with voltage modulate circuit, voltage collection circuit, analog-to-digital conversion circuit etc., integrated voltage detector can also be used.
Power supply control component 150 respectively with first voltage detection part 111 and second voltage detection part 121 and temperature
Detection part 160 is electrically connected, and power supply control component 150 and can be compared temperature difference Δ t and preset temperature threshold tn
Compared with；Temperature difference Δ t be greater than or equal to temperature threshold tn in the case of, according to the voltage value u1 of solar generation component 110 with
And one in the voltage value u2 selection solar generation component 110 of energy storage component 120, energy storage component 120, external power supply to
Electrical components 140 are powered, and are controlled the compressor 141 in consuming parts 140 and run according to predeterminated frequency fn；In temperature difference Δ
In the case that t is less than temperature threshold tn, according to the voltage value u1 of solar generation component 110 and the voltage of energy storage component 120
One in value u2 selections solar generation component 110, energy storage component 120, external power supply is powered to consuming parts 140,
And control compressor 141 according to predeterminated frequency fn operations or less than predeterminated frequency fn operations (i.e. frequency reducing is run).More than wherein
Predeterminated frequency fn can be the nominal operating frequency of compressor 141.Temperature threshold tn can be according to the operating status of air conditioner 100
And the operating condition of compressor 141 is configured, such as it is set as 5 degrees Celsius.
In the case where temperature difference Δ t is greater than or equal to temperature threshold tn, power supply control component 150 is configurable to will too
The voltage value u1 of positive energy electrical generation components 110 and the voltage value u2 and preset first voltage threshold value ua of energy storage component 120 are carried out
Compare；In the case where the voltage value u1 of solar generation component 110 is greater than or equal to first voltage threshold value ua, solar energy is used
Electrical generation components 110 are powered to consuming parts 140；It is less than first voltage threshold value ua in the voltage value u1 of solar generation component 110
And in the case that the voltage value u2 of energy storage component 120 is greater than or equal to first voltage threshold value ua, using energy storage component 120 to electricity consumption
Component 140 is powered；And it is respectively less than first voltage in the voltage value u2 of energy storage component 120 and the voltage value u2 of energy storage component 120
In the case of threshold value ua, powered to consuming parts 140 using the external power supply that external power interface 130 connects, in this case,
Solar generation component 110 can be only used for charging to energy storage component 120.
In the case where temperature difference Δ t is less than temperature threshold tn, power supply control component 150 is configurable to send out solar energy
The voltage value u1 of electrical components 110 is compared respectively with default first voltage threshold value ua, in the voltage of solar generation component 110
In the case that value u1 is greater than or equal to first voltage threshold value ua, powered to consuming parts 140 using solar generation component 110,
And compressor 141 is made to be run according to predeterminated frequency fn；It is less than first voltage threshold value in the voltage value u1 of solar generation component 110
In the case of ua, the voltage value u1 of solar generation component 110 and preset second voltage threshold value ub are compared respectively,
Middle second voltage threshold value ub is less than first voltage threshold value ua；It is greater than or equal to the in the voltage value u1 of solar generation component 110
In the case of two voltage threshold ub, powered to consuming parts 140 using solar generation component 110, and make compressor 141 with low
It is run in the state of predeterminated frequency fn；The case where the voltage value u1 of solar generation component 110 is less than second voltage threshold value ub
Under, the voltage value u2 of energy storage component 120 and first voltage threshold value ua and second voltage threshold value ub are compared respectively, in energy storage
In the case that the voltage value u2 of component 120 is greater than or equal to first voltage threshold value ua, using energy storage component 120 to consuming parts
140 power supplies, and compressor 141 is made to be run according to predeterminated frequency fn；It is less than first voltage threshold in the voltage value u2 of energy storage component 120
Value ua but more than or equal in the case of second voltage threshold value ub, is powered using energy storage component 120 to consuming parts 140, and make
Compressor 141 is run with the state less than predeterminated frequency fn；And it is less than second voltage threshold in the voltage value u2 of energy storage component 120
In the case of value ub, powered to consuming parts 140 using external power supply, and compressor 141 is made to be run according to predeterminated frequency fn,
In this case, solar generation component 110 can be only used for charging to energy storage component 120.
First voltage threshold value ua and second voltage threshold value ub is configured according to the rated voltage un of consuming parts 140；
Wherein first voltage threshold value ua is set as 0.9 times of the rated voltage un of consuming parts 140, and second voltage threshold value ub is set as using
0.6 times of the rated voltage un of electrical components 140；And in control compressor 141 with the state operation less than predeterminated frequency fn
In the case of, according to the voltage ratio of the supply voltage being powered to institute's consuming parts 140 and the rated voltage un of consuming parts 140
The frequency of 141 frequency reducing of compressor operation is calculated in example and predeterminated frequency fn.
Fig. 2 is the electronic schematic diagram of air conditioner 100 according to an embodiment of the invention.Air conditioner 100 can be with
Flexibly increase and be provided with charging unit 160 and electric energy transition components 170, wherein charging unit 160 is set to solar power generation portion
Between part 100 and the charging interface of energy storage component 120.Charging unit 160 can be configured to：By solar generation component 110
Output electric energy is converted into meeting the electric energy of the charging requirement of energy storage component 120.Charging unit 160 at least may include a direct current
First detection voltage is adjusted to the charging voltage of energy storage component 120, it is preferable that charging unit by the conversion circuit for turning direct current
160 can also include charge protector, overcharging, under overcurrent, the abnormal conditions of overheat, protected to energy storage component 120,
Improve operational reliability.
Electric energy transition components 170 are set at the power input interface of consuming parts 140, and and solar generation component
110 and the output interface of energy storage component 120 be separately connected, electric energy transition components 170 can be by solar generation component 110
The output electric energy of output electric energy or energy storage component 120 is converted to the electric energy for meeting 140 power requirement of consuming parts.Electric energy is converted
Component 170 at least may include an inverter circuit, solar generation component 110 or energy storage component 120 be exported straight
Galvanic electricity can be converted to the AC energy for meeting 140 requirement of consuming parts, such as be converted to the rated voltage of consuming parts 140
un。
In a kind of preferred embodiment, power supply control component 150 can by be set to solar generation component 110 with
First switch K1 between electric energy transition components 170, second be set between energy storage component 120 and electric energy transition components 170
Third switch K3, solar generation component 110 and charging group between switch K2, external power interface 130 and consuming parts 140
The 4th switch K4 between part 160, to switch the electric connecting relation between above several components, to realize power supply control portion
The function of part 150.
In addition it is used to match the frequency converter (not shown) of setting, the frequency converter with the compressor 141 of consuming parts 140
The motor speed that compressor 141 can be driven by adjusting the frequency of square-wave pulse under the control of power supply control component 150,
When the gap of target temperature t1 and environment temperature t2 is larger, ensures that compressor 141 is run with higher setpoint frequency, improve air-conditioning
The operational efficiency of device 100.
The embodiment of the present invention additionally provides a kind of control method of air conditioner, and the control method of the air conditioner can be used for pair
The air conditioner 100 of any of the above embodiment is controlled, to improve the economy of the power supply of air conditioner 100.Fig. 3 is according to this hair
The schematic diagram of the control method of the air conditioner 100 of bright one embodiment, the control method of the air conditioner may include in general manner
Following steps：
Step S302 obtains environment temperature t2s of the target temperature t1 of setting where with air conditioner 100, and calculates target temperature
Spend the temperature difference Δ t of t1 and environment temperature t2, the temperature difference Δ t=t1-t2 under heating condition, the temperature difference Δ under cooling condition
T=t2-t1 can utilize the absolute value of target temperature and environment temperature t2 differences；
Temperature difference Δ t is compared by step S304 with preset temperature threshold tn；
Step S306, in the case where temperature difference Δ t is greater than or equal to temperature threshold tn, according to solar generation component
110 voltage value u1 and the voltage value u2 selections solar generation component 110 of energy storage component 120, energy storage component 120, outside
One in power supply is powered to consuming parts 140, and controls the compressor 141 in consuming parts 140 according to predeterminated frequency
Fn is run；
Step S308, in the case where temperature difference Δ t is less than temperature threshold tn, according to the electricity of solar generation component 110
In the voltage value u2 selections solar generation component 110 of pressure value u1 and energy storage component 120, energy storage component 120, external power supply
One is powered to consuming parts 140, and controls compressor 141 according to predeterminated frequency fn operations or be less than predeterminated frequency fn
Operation.
Above-mentioned temperature threshold tn can be carried out according to the operating status of air conditioner 100 and the operating condition of compressor 141
Setting, such as it is set as 5 degrees Celsius.
It can be preferentially powered, reduced to external electrical source consumption using solar generation component 110 using the above flow,
Improve the economy that air conditioner 100 uses.In the case where temperature difference Δ t is greater than or equal to temperature threshold tn, according to solar energy
The voltage value u1 and the voltage value u2 selections solar generation component 110 of energy storage component 120, energy storage component of electrical generation components 110
120, one in external power supply is powered to consuming parts 140, and control the compressor 141 in consuming parts 140 according to
Predeterminated frequency fn operations, ensure that air conditioner 100 can reduce the gap with target temperature t1 as early as possible.It is less than temperature in temperature difference Δ t
In the case of spending threshold value tn, according to the voltage value u2 selections of the voltage value u1 of solar generation component 110 and energy storage component 120
One in solar generation component 110, energy storage component 120, external power supply is powered to consuming parts 140, and controls pressure
Contracting machine 141 is according to predeterminated frequency fn operations or less than predeterminated frequency fn operations, that is, can utilize down conversion process, preferably makes
It is powered with solar generation component 110, improves the economy of the power supply of air conditioner 100, reduce the consumption to external electric energy,
And it can extend the service life of energy storage component 120 to avoid being powered for a long time using energy storage component 120, improve energy
Source efficiency.
In addition, in some currently preferred embodiments of the present invention, solar generation component 110 can also be used to energy storage component
120 chargings.
Step S306 can be executed in the case where temperature difference Δ t is greater than or equal to temperature threshold tn according to following below scheme：
By the voltage value u2 of the voltage value u1 of solar generation component 110 and energy storage component 120 and preset first voltage threshold value ua
It is compared；In the case where the voltage value u1 of solar generation component 110 is greater than or equal to first voltage threshold value ua, using too
Positive energy electrical generation components 110 are powered to consuming parts 140；It is less than first voltage threshold in the voltage value u1 of solar generation component 110
The voltage value u2 of value ua and energy storage component 120 be greater than or equal to first voltage threshold value ua in the case of, using energy storage component 120 to
Consuming parts 140 are powered；It is respectively less than first voltage in the voltage value u2 of energy storage component 120 and the voltage value u2 of energy storage component 120
In the case of threshold value ua, powered to consuming parts 140 using the external power supply that external power interface 130 connects.
Step S306 can be executed in the case where temperature difference Δ t is less than temperature threshold tn according to following below scheme：By the sun
The voltage value u1 and default first voltage threshold value ua of energy electrical generation components 110 are compared respectively, in solar generation component 110
In the case that voltage value u1 is greater than or equal to first voltage threshold value ua, supplied to consuming parts 140 using solar generation component 110
Electricity, and compressor 141 is made to be run according to predeterminated frequency fn；It is less than first voltage in the voltage value u1 of solar generation component 110
In the case of threshold value ua, the voltage value u1 of solar generation component 110 and preset second voltage threshold value ub are compared respectively
Compared with wherein second voltage threshold value ub is less than first voltage threshold value ua；It is more than or waits in the voltage value u1 of solar generation component 110
In the case of second voltage threshold value ub, powered to consuming parts 140 using solar generation component 110, and make compressor 141
With the state operation less than predeterminated frequency fn；It is less than second voltage threshold value ub's in the voltage value u1 of solar generation component 110
In the case of, the voltage value u2 of energy storage component 120 and first voltage threshold value ua and second voltage threshold value ub are compared respectively,
In the case that the voltage value u2 of energy storage component 120 is greater than or equal to first voltage threshold value ua, using energy storage component 120 to electricity consumption portion
Part 140 is powered, and compressor 141 is made to be run according to predeterminated frequency fn；It is less than first voltage in the voltage value u2 of energy storage component 120
Threshold value ua but more than or equal in the case of second voltage threshold value ub, is powered using energy storage component 120 to consuming parts 140, and
Compressor 141 is set to be run with the state less than predeterminated frequency fn；And it is less than second voltage in the voltage value u2 of energy storage component 120
In the case of threshold value ub, powered to consuming parts 140 using external power supply, and compressor 141 is made to be run according to predeterminated frequency fn.
First voltage threshold value ua and second voltage threshold value ub is configured according to the rated voltage un of consuming parts 140.
By a large amount of tests of inventor, can preferentially by namely first voltage threshold value ua be set as the specified electricity of consuming parts 140
Press un 0.9 times, i.e. ua=0.6un；Second voltage threshold value ub is set as 0.6 times of the rated voltage un of consuming parts 140, i.e.,
Ub=0.9un.
In addition include the step of control compressor 141 is run with the state less than predeterminated frequency fn：It calculates to electricity consumption portion
The voltage ratio of the supply voltage that part 140 is powered and the rated voltage of consuming parts 140；According to voltage ratio and preset
The frequency of 141 frequency reducing of compressor operation is calculated in frequency fn.
Fig. 4 is a kind of particular flow sheet of the control method of air conditioner according to an embodiment of the invention；Air conditioner 100
If there is Δ t >=tn after booting is run, power supply control is followed the steps below：
Step S402 obtains environment temperature t2s of the target temperature t1 of setting where with air conditioner 100；
Step S404, the temperature difference of calculating target temperature t1 and environment temperature t2, the Δ t=t1-t2 under heating condition,
Δ t=t2-t1 or temperature difference value are the absolute value using target temperature and environment temperature t2 differences under cooling condition；
Step S406 judges whether to meet Δ t >=tn；
Step S408 judges whether to meet u1 >=ua if Δ t >=tn；
Step S410, if u1 >=ua, solar generation component 110 is powered to consuming parts 140, and controls compressor 141
It is run with fn；
Step S412, if u1<Ua judges whether to meet u2 >=ua；
Step S414, if u2 >=ua, energy storage component 120 is powered to consuming parts 140, and is controlled compressor 141 and transported with fn
Row；
Step S416, if u2<Ua is powered using the external power supply that external power interface 130 connects to consuming parts 140,
Control compressor 140 is run with fn, and solar generation component 110 charges to energy storage component.
Fig. 5 is the control method of air conditioner according to an embodiment of the invention applied to specific in the case of heating mode
Flow chart, as shown, air conditioner 100 booting run after if there is Δ t<Tn follows the steps below power supply control：
Step S502 determines that air conditioner runs on heating mode, obtains the heating target temperature t1 and air conditioner 100 of setting
The environment temperature t2 at place；
Step S504 calculates the temperature difference Δ t=t1-t2 of heating target temperature t1 and environment temperature t2；
Step S506 judges whether to meet Δ t<tn；
Step S508 judges whether to meet u1 >=ua if Δ t >=tn；
Step S510, if u1 >=ua, solar generation component 110 is powered to consuming parts 140, and controls compressor 141
It is run with fn；
Step S512, if u1<Ua judges whether to meet u1 >=ub；
Step S514, if u1 >=ub, solar generation component 110 is powered to consuming parts 140, and controls compressor 141
It is run with f=fn* (u1/un), that is, 141 frequency reducing of compressor is made to run；
Step S516, if u1<Ub judges whether to meet u2 >=ua；
Step S518, if u2 >=ua, energy storage component 120 is powered to consuming parts 140, and is controlled compressor 141 and transported with fn
Row；
Step S520, if u2<Ua judges whether to meet u2 >=ub；
Step S522, if u2 >=ub, energy storage component 120 is powered to consuming parts 140, and controls compressor 141 with f=
Fn* (u1/un) is run, that is, 141 frequency reducing of compressor is made to run；
Step S524, if u2<Ub is powered using the external power supply that external power interface 130 connects to consuming parts 140,
Control compressor 140 is run with fn, and solar generation component 110 charges to energy storage component.
Fig. 6 is the control method of air conditioner according to an embodiment of the invention applied to specific in the case of refrigeration mode
Flow chart, as shown, air conditioner 100 booting run after if there is Δ t<Tn follows the steps below power supply control：
Step S602 determines that air conditioner runs on refrigeration mode, obtains the refrigeration target temperature t1 and air conditioner 100 of setting
The environment temperature t2 at place；
The temperature difference Δ t=t2-t1 of step S604, computing environment temperature t2 and refrigeration target temperature t1；
Step S606 judges whether to meet Δ t<tn；
Step S608 judges whether to meet u1 >=ua if Δ t >=tn；
Step S610, if u1 >=ua, solar generation component 110 is powered to consuming parts 140, and controls compressor 141
It is run with fn；
Step S612, if u1<Ua judges whether to meet u1 >=ub；
Step S614, if u1 >=ub, solar generation component 110 is powered to consuming parts 140, and controls compressor 141
It is run with f=fn* (u1/un), that is, 141 frequency reducing of compressor is made to run；
Step S616, if u1<Ub judges whether to meet u2 >=ua；
Step S618, if u2 >=ua, energy storage component 120 is powered to consuming parts 140, and is controlled compressor 141 and transported with fn
Row；
Step S620, if u2<Ua judges whether to meet u2 >=ub；
Step S622, if u2 >=ub, energy storage component 120 is powered to consuming parts 140, and controls compressor 141 with f=
Fn* (u1/un) is run, that is, 141 frequency reducing of compressor is made to run；
Step S624, if u2<Ub is powered using the external power supply that external power interface 130 connects to consuming parts 140,
Control compressor 140 is run with fn, and solar generation component 110 charges to energy storage component.
In the embodiment shown in fig. 4 to fig. 6, first voltage threshold value ua is set as the rated voltage un of consuming parts 140
0.9 times, second voltage threshold value ub is set as 0.6 times of the rated voltage un of consuming parts 140, and two embodiments can be with
Implement simultaneously, to control respectively the case where different temperature difference.
The air conditioner of the present embodiment and its control method, according to the temperature difference of target temperature and environment temperature, to air-conditioning
The operating condition of device distinguishes, to formulate corresponding control strategy.In the case where temperature difference is greater than or equal to temperature threshold,
Solar generation component, energy storage component, outside are selected according to the voltage of the voltage value of solar generation component and energy storage component
One in power supply is powered to consuming parts, and controls the compressor in consuming parts and run according to predeterminated frequency, ensures
Air conditioner can reduce the gap with target temperature as early as possible.In the case where temperature difference is less than temperature threshold, sent out according to solar energy
One in the voltage value of electrical components and the voltage selection solar generation component of energy storage component, energy storage component, external power supply
It is powered to consuming parts, and controls compressor and run according to predeterminated frequency or run less than predeterminated frequency, that is, can
, it is preferable to use solar generation component is powered, to improve the economy of air conditioner power supply using down conversion process, reduce pair
The consumption of external electric energy, and the service life of energy storage component can be extended to avoid being powered for a long time using energy storage component,
Improve energy efficiency.
Moreover, the air conditioner and its control method of the present embodiment, according to solar generation component and the electricity of energy storage component
Pressure carries out power supply control, fully meets the power reguirements of air conditioner consuming parts, ensures the power supply reliability of air conditioner, both ensured
The comfort of user needs to save electric energy again.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (9)
1. a kind of control method of air conditioner, the air conditioner includes that solar generation component, energy storage component, external power supply connect
Mouth and consuming parts, wherein the consuming parts are configured to controllably select by the solar generation component, the energy storage
An offer electric energy in component and the external power supply of external power interface connection, and the control method includes：
Obtain the target temperature of setting and the environment temperature where the air conditioner respectively, and calculate the target temperature with it is described
The temperature difference of environment temperature；
The temperature difference is compared with preset temperature threshold；
In the case where the temperature difference is greater than or equal to the temperature threshold, according to the voltage value of the solar generation component
And the voltage of the energy storage component select in the solar generation component, the energy storage component, the external power supply one
It is a to be powered to the consuming parts, and the compressor controlled in the consuming parts is run according to predeterminated frequency；And
In the case where the temperature difference is less than the temperature threshold, according to the voltage value of the solar generation component and institute
State energy storage component voltage select one in the solar generation component, the energy storage component, the external power supply to institute
It states consuming parts to be powered, step includes：
The voltage value of the solar generation component and default first voltage threshold value are compared respectively,
The voltage value of the solar generation component be greater than or equal to the first voltage threshold value in the case of, using it is described too
Positive energy electrical generation components are powered to the consuming parts, and the compressor is made to be run according to the predeterminated frequency；
In the case where the voltage value of the solar generation component is less than the first voltage threshold value, by the solar power generation
The voltage value of component is compared respectively with preset second voltage threshold value, wherein the second voltage threshold value is less than described first
Voltage threshold；
The voltage value of the solar generation component be greater than or equal to the second voltage threshold value in the case of, using it is described too
Positive energy electrical generation components are powered to the consuming parts, and make the compressor to be run less than the state of the predeterminated frequency；
In the case where the voltage value of the solar generation component is less than the second voltage threshold value, by the energy storage component
Voltage value is compared respectively with the first voltage threshold value and the second voltage threshold value,
In the case where the voltage value of the energy storage component is greater than or equal to the first voltage threshold value, the energy storage component is used
It powers to the consuming parts, and the compressor is made to be run according to the predeterminated frequency；
It is less than the first voltage threshold value in the voltage value of the energy storage component but more than or equal to the second voltage threshold value
In the case of, it is powered to the consuming parts using the energy storage component, and make the compressor with less than the predeterminated frequency
State is run；And
In the case where the voltage value of the energy storage component is less than the second voltage threshold value, using the external power supply to described
Consuming parts are powered, and the compressor is made to be run according to the predeterminated frequency.
2. according to the method described in claim 1, wherein, the case where the temperature difference is greater than or equal to the temperature threshold
Under, the step of being powered to the consuming parts includes：
By the voltage value of the voltage value of the solar generation component and the energy storage component and preset first voltage threshold value
It is compared；
The voltage value of the solar generation component be greater than or equal to the first voltage threshold value in the case of, using it is described too
Positive energy electrical generation components are powered to the consuming parts；
The voltage value for being less than the first voltage threshold value and the energy storage component in the voltage value of the solar generation component is big
In or equal in the case of the first voltage threshold value, powered to the consuming parts using the energy storage component；
It is respectively less than the feelings of first voltage threshold value in the voltage value of the solar generation component and the voltage value of the energy storage component
Under condition, powered to the consuming parts using the external power supply that the external power interface connects.
3. according to the method described in claim 1, wherein,
The first voltage threshold value and the second voltage threshold value are configured according to the rated voltage of the consuming parts.
4. according to the method described in claim 3, wherein,
The first voltage threshold value is set as 0.9 times of the rated voltage of the consuming parts, the second voltage threshold value setting
It is 0.6 times of the rated voltage of the consuming parts.
5. method according to claim 1 to 4, wherein described default to be less than controlling the compressor
Frequency state operation the step of include：
Calculate the voltage ratio of the rated voltage for the supply voltage and consuming parts being powered to the consuming parts；
The frequency of the compressor frequency reducing operation is calculated according to the voltage ratio and the predeterminated frequency.
6. a kind of air conditioner, including solar generation component, energy storage component, external power interface and consuming parts, wherein institute
State consuming parts and include at least compressor, and be configured to controllably to select by the solar generation component, the energy storage component,
And an offer electric energy in the external power supply of the external power interface connection, and the air conditioner further includes：
Temperature detection part is configured to obtain the target temperature of setting and the environment temperature where the air conditioner respectively, and counts
Calculate the temperature difference of the target temperature and the environment temperature；
First voltage detection part is configured to detect the voltage value of the solar generation component；
Second voltage detection part is configured to detect the voltage value of the energy storage component；And
Power supply control component is configured to the temperature difference being compared with preset temperature threshold；It is more than in the temperature difference
Or in the case of being equal to the temperature threshold, according to the voltage value of the solar generation component and the electricity of the energy storage component
Pressure selects one in the solar generation component, the energy storage component, the external power supply to be carried out to the consuming parts
Power supply, and the compressor controlled in the consuming parts is run according to predeterminated frequency；It is less than the temperature threshold in the temperature difference
In the case of value, the solar energy is selected according to the voltage of the voltage value of the solar generation component and the energy storage component
One in electrical generation components, the energy storage component, the external power supply is powered to the consuming parts, and step includes：
The voltage value of the solar generation component and default first voltage threshold value are compared respectively,
The voltage value of the solar generation component be greater than or equal to the first voltage threshold value in the case of, using it is described too
Positive energy electrical generation components are powered to the consuming parts, and the compressor is made to be run according to the predeterminated frequency；
In the case where the voltage value of the solar generation component is less than the first voltage threshold value, by the solar power generation
The voltage value of component is compared respectively with preset second voltage threshold value, wherein the second voltage threshold value is less than described first
Voltage threshold；
The voltage value of the solar generation component be greater than or equal to the second voltage threshold value in the case of, using it is described too
Positive energy electrical generation components are powered to the consuming parts, and make the compressor to be run less than the state of the predeterminated frequency；
In the case where the voltage value of the solar generation component is less than the second voltage threshold value, by the energy storage component
Voltage value is compared respectively with the first voltage threshold value and the second voltage threshold value,
In the case where the voltage value of the energy storage component is greater than or equal to the first voltage threshold value, the energy storage component is used
It powers to the consuming parts, and the compressor is made to be run according to the predeterminated frequency；
It is less than the first voltage threshold value in the voltage value of the energy storage component but more than or equal to the second voltage threshold value
In the case of, it is powered to the consuming parts using the energy storage component, and make the compressor with less than the predeterminated frequency
State is run；And
In the case where the voltage value of the energy storage component is less than the second voltage threshold value, using the external power supply to described
Consuming parts are powered, and the compressor is made to be run according to the predeterminated frequency.
7. air conditioner according to claim 6, wherein the power supply control component is greater than or equal to institute in the temperature difference
It is configured in the case of stating temperature threshold：
By the voltage value of the voltage value of the solar generation component and the energy storage component and preset first voltage threshold value
It is compared；
The voltage value of the solar generation component be greater than or equal to the first voltage threshold value in the case of, using it is described too
Positive energy electrical generation components are powered to the consuming parts；
The voltage value for being less than the first voltage threshold value and the energy storage component in the voltage value of the solar generation component is big
In or equal in the case of the first voltage threshold value, powered to the consuming parts using the energy storage component；And
It is respectively less than the first voltage threshold value in the voltage value of the solar generation component and the voltage value of the energy storage component
In the case of, it is powered to the consuming parts using the external power supply that the external power interface connects.
8. air conditioner according to claim 6, wherein
The first voltage threshold value and the second voltage threshold value are configured according to the rated voltage of the consuming parts；Its
In
The first voltage threshold value is set as 0.9 times of the rated voltage of the consuming parts, the second voltage threshold value setting
It is 0.6 times of the rated voltage of the consuming parts；And
In the case where controlling the compressor to be run less than the state of the predeterminated frequency,
According to the voltage ratio of the supply voltage that is powered to the consuming parts and the rated voltage of the consuming parts with
And the frequency of the compressor frequency reducing operation is calculated in the predeterminated frequency.
9. the air conditioner according to any one of claim 6 to 8, further includes：
Electric energy transition components are set to the output of the consuming parts and the solar generation component and the energy storage component
Between interface, and it is configured to the output electric energy conversion by the output electric energy of the solar generation component or the energy storage component
To meet the electric energy of the consuming parts power requirement.
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| WO2017219242A1 (en) * | 2016-06-21 | 2017-12-28 | 马玉琴 | Household air conditioner and method for controlling operation of outdoor unit thereof |
| CN106594986A (en) * | 2016-12-01 | 2017-04-26 | 湖南耐普恩科技有限公司 | Solar air conditioner control system and method and air conditioner based on super-capacitor |
| CN106524428A (en) * | 2016-12-01 | 2017-03-22 | 湖南耐普恩科技有限公司 | Solar air conditioner control system and method based on super capacitor and air conditioner |
| CN108336812B (en) * | 2018-01-12 | 2022-11-18 | 青岛海尔空调器有限总公司 | Control method for air conditioner power supply |
| CN108344124B (en) * | 2018-01-12 | 2019-11-05 | 青岛海尔空调器有限总公司 | The control method of air-conditioning power supply |
| CN110810983B (en) * | 2018-08-10 | 2022-11-15 | 青岛海尔空调器有限总公司 | Control method of air conditioning clothes and air conditioning clothes |
| CN110810982B (en) * | 2018-08-10 | 2024-05-03 | 青岛海尔空调器有限总公司 | Control method of air conditioning clothes and air conditioning clothes |
| CN110810963A (en) * | 2018-08-10 | 2020-02-21 | 青岛海尔空调器有限总公司 | Control method of air conditioning clothes and air conditioning clothes |
| CN110811020B (en) * | 2018-08-10 | 2024-03-22 | 青岛海尔空调器有限总公司 | Control method of air conditioning clothes and air conditioning clothes |
| CN114619844B (en) * | 2022-02-25 | 2023-07-18 | 武汉格罗夫氢能汽车有限公司 | Refrigeration control method for solar automobile air conditioning system |
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