CN108871613A - A kind of temperature checking method and device of solar power system - Google Patents
A kind of temperature checking method and device of solar power system Download PDFInfo
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- CN108871613A CN108871613A CN201810690085.9A CN201810690085A CN108871613A CN 108871613 A CN108871613 A CN 108871613A CN 201810690085 A CN201810690085 A CN 201810690085A CN 108871613 A CN108871613 A CN 108871613A
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- 239000003990 capacitor Substances 0.000 claims description 21
- 230000005611 electricity Effects 0.000 claims description 19
- 238000012790 confirmation Methods 0.000 claims description 5
- 238000012806 monitoring device Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 20
- 230000008569 process Effects 0.000 description 8
- 238000010248 power generation Methods 0.000 description 7
- 238000004590 computer program Methods 0.000 description 6
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
- H02S50/10—Testing of PV devices, e.g. of PV modules or single PV cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Abstract
The embodiment of the invention provides a kind of temperature checking method of solar power system and device, the temperature checking method of the solar power system is specifically included：The open-circuit voltage of each solar energy component is obtained from each component terminal box by terminal box gateway；According to the open-circuit voltage, the operating temperature of each solar energy component is determined；If being greater than preset value in the solar components in the operating temperature of any one solar energy component, alarm operation is executed.The embodiment of the present invention can be measured in real time the operating temperature of the solar components in solar power system, accuracy is higher, so as to reduce the probability that fire occurs for each solar energy component in the solar components, the safety of the solar power system is improved.
Description
Technical field
The present invention relates to energy technology fields, more particularly to the temperature checking method and dress of a kind of solar power system
It sets.
Background technique
Solar power generation increases year by year, has become green energy resource indispensable in new energy.With solar power generation
The lightweight of system, miniaturization, roof solar electricity generation system, building wall solar power system etc. build solar energy
The application of electricity generation system is also more and more extensive.Since the heat that solar power system generates during the work time is possible to lead
Cause fire, there are biggish security risks, therefore, in practical applications, generally require to the temperature of solar power system into
Row detection.
In existing solar power system, temperature detection is mainly carried out using following two mode：One is in the sun
Temperature sensor progress high temperature detection can be set on the control end pieces (inverter or terminal box gateway etc.) of electricity generation system, this
Kind mode can not carry out temperature detection to the solar components in solar power system, and solar components are often easy to
High temperature is generated, there are biggish security risks；Another kind is that temperature sensor is arranged in the terminal box of solar components to carry out
Temperature detection, and in practical applications, terminal box is located on the backboard of solar components, the temperature and solar components of terminal box
Actual temperature there are biggish deviations, that is to say, that this mode is difficult to detect the actual temperature of solar components, exists
Biggish security risk.
Summary of the invention
In view of the above problems, it proposes the embodiment of the present invention and overcomes the above problem or at least partly in order to provide one kind
A kind of temperature checking method of the solar power system to solve the above problems and a kind of corresponding temperature of solar power system
Spend detection device.
To solve the above-mentioned problems, the embodiment of the invention discloses a kind of temperature checking method of solar power system,
Applied to solar power system, the solar power system includes：Solar components and terminal box gateway；Wherein, described
Solar components include：At least one solar energy component, the first output end and second output terminal；Each solar energy component string
Row is connected between first output end and the second output terminal, and each solar energy component is equipped with component wiring
Box, each component terminal box are connect with the terminal box gateway；The temperature checking method packet of the solar power system
It includes：
The open circuit electricity of each solar energy component is obtained from each component terminal box by the terminal box gateway
Pressure；
According to the open-circuit voltage, the operating temperature of each solar energy component is determined；
If being greater than preset value in the solar components in the operating temperature of any one solar energy component, alarm behaviour is executed
Make.
Optionally, the control terminal box gateway obtains each of each component terminal box transmission sun
Can component open-circuit voltage the step of include：
It controls the terminal box gateway and sends cut-off signals；
It receives each component terminal box and each of detects opening for the solar energy component according to the cut-off signals
Road voltage.
Optionally, the solar power system further includes：One end of inverter, the inverter is equipped with first input end
With the second input terminal, the first input end, second input terminal respectively with the first output end of the solar components,
The connection of two output ends, the other end of the inverter are connect with the terminal box gateway；
The open circuit of each solar energy component is then obtained from each component terminal box by the terminal box gateway
Before the step of voltage, further include：
Control the inverter startup.
Optionally, described that each sun energon is obtained from each component terminal box by the terminal box gateway
The step of open-circuit voltage of part includes：
According to the serial connection relationship of the solar energy component each in the solar components, pass through the terminal box net
Close the open-circuit voltage that each solar energy component is successively obtained from each component terminal box.
Optionally, the solar power system further includes：First switch, second switch and capacitor；Wherein, described first
Switch is connected between the first output end of the solar components and the inverter；The second switch and the capacitor according to
Between the secondary first input end for being connected to the inverter and the second input terminal；
The open circuit of each solar energy component is then obtained from each component terminal box by the terminal box gateway
The step of voltage includes：
The first switch disconnection, second switch closure are controlled, by the terminal box gateway simultaneously from each institute
State the open-circuit voltage that component terminal box obtains each solar energy component.
To solve the above-mentioned problems, the embodiment of the invention also discloses a kind of temperature detection of solar power system dresses
It sets, is used for solar power system, the solar power system includes：Solar components and terminal box gateway；Wherein, described
Solar components include：At least one solar energy component, the first output end and second output terminal；Each solar energy component string
Row is connected between first output end and the second output terminal, and each solar energy component is equipped with component wiring
Box, each component terminal box are connect with the terminal box gateway；The temperature monitoring device packet of the solar power system
It includes：
Open-circuit voltage obtains module, for obtaining each institute from each component terminal box by the terminal box gateway
State the open-circuit voltage of solar energy component；
Operating temperature confirmation module, for determining the work temperature of each solar energy component according to the open-circuit voltage
Degree；
Alarm module, if default for being greater than in the operating temperature of any one solar energy component in the solar components
Value executes alarm operation.
Optionally, the open-circuit voltage acquisition module includes：
Cut-off signals sending submodule sends cut-off signals for controlling the terminal box gateway；
Open-circuit voltage receiving submodule is detected according to the cut-off signals for receiving each component terminal box
The open-circuit voltage of each solar energy component.
Optionally, the solar power system further includes：One end of inverter, the inverter is equipped with first input end
With the second input terminal, the first input end, second input terminal respectively with the first output end of the solar components,
The connection of two output ends, the other end of the inverter are connect with the terminal box gateway；
Then the temperature-detecting device of the solar power system further includes：
Inverter control module, for controlling the inverter startup.
Optionally, the open-circuit voltage acquisition module includes：
First open-circuit voltage acquisition submodule, for the string according to the solar energy component each in the solar components
Row connection relationship successively obtains each solar energy component from each component terminal box by the terminal box gateway
Open-circuit voltage.
Optionally, the solar power system further includes：First switch, second switch and capacitor；Wherein, described first
Switch is connected between the first output end of the solar components and the inverter；The second switch and the capacitor according to
Between the secondary first input end for being connected to the inverter and the second input terminal；
Then the open-circuit voltage acquisition module includes：
First open-circuit voltage acquisition submodule disconnects, second switch closure for controlling the first switch, passes through
The terminal box gateway obtains the open-circuit voltage of each solar energy component from each component terminal box simultaneously.
The embodiment of the present invention includes following advantages：
In the temperature checking method of solar power system described in the embodiment of the present invention, by the terminal box gateway from
Each component terminal box obtains the open-circuit voltage of each solar energy component；According to the open-circuit voltage, determine described in
The operating temperature of each solar energy component in solar components；If any one solar energy component in the solar components
Operating temperature in be greater than preset value, execute alarm operation, can be to the solar components in the solar power system
Operating temperature is measured in real time；Also, since the operating temperature of solar energy component each in the solar components can root
It directly calculates and gets according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；In addition,
When the operating temperature of any one solar energy component in the solar components is greater than preset value, alarm operation can be executed,
The probability that fire occurs for each solar energy component in the solar components can be thus reduced, the solar power generation system is improved
The safety of system.
Detailed description of the invention
Fig. 1 is a kind of step flow chart of the temperature checking method of solar power system of the invention；
Fig. 2 is a kind of block architecture diagram of solar energy system of the invention；
Fig. 3 is a kind of step flow chart of the open-circuit voltage of acquisition solar energy component of the invention；
Fig. 4 is the step flow chart of the temperature checking method of another solar power system of the invention；
Fig. 5 is the block architecture diagram of another solar energy system of the invention；
Fig. 6 is the step flow chart of the temperature checking method of another solar power system of the invention；
Fig. 7 is the block architecture diagram of another solar energy system of the invention；
Fig. 8 is a kind of structural block diagram of the temperature-detecting device of solar power system of the invention；
Fig. 9 is the structural block diagram that a kind of open-circuit voltage of the invention obtains module；
Figure 10 is the structural block diagram of the temperature-detecting device of another solar power system of the invention；
Figure 11 is the structural block diagram of the temperature-detecting device of another solar power system of the invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real
Applying mode, the present invention is described in further detail.
Referring to Fig.1, a kind of step flow chart of the temperature checking method of solar power system of the invention is shown, is answered
For solar power system.
The solar power system may include：Solar components and terminal box gateway；Wherein, the solar components
May include：At least one solar energy component, the first output end and second output terminal；Each solar energy component serial connection
Between first output end and the second output terminal, each solar energy component is equipped with component terminal box, each
The component terminal box is connect with the terminal box gateway.
In the embodiment of the present invention, the schematic block diagram of the solar power system can as shown in Figure 2, solar power generation
System 200 may include：Solar components 201 and terminal box gateway 202；Wherein, solar components 201 may include：At least
One solar energy component 2011, the first output end 2012 and second output terminal 2013；Each solar energy component 2011 is connected in series
Between the first output end 2012 and second output terminal 2013, each solar energy component 2011 is equipped with component terminal box 2014,
Each component terminal box 2014 is connect with terminal box gateway 202.
It in practical applications, may include that one or more is opened in the component terminal box 2014 on solar energy component 2011
Device is closed, and with functions such as detection 2011 voltage of solar energy component, the shutdown of control solar energy component 2011 or bypasses
Basic circuit.
Specifically, component terminal box 2014 can pass through wired with terminal box gateway 202 or wirelessly connect, with
Corresponding operation is executed according to the coherent signal of terminal box gateway 202.
For example, component terminal box 2014 can detecte solar energy component according to the voltage detection signal of terminal box gateway 202
2011 operating voltage, and the operating voltage of solar energy component 2011 is sent to terminal box gateway 202；For another example, according to wiring
The cut-off signals of box gateway 202, component terminal box 2014 can control the shutdown of solar energy component 2011, detect solar energy component
2011 open-circuit voltage, and the open-circuit voltage of solar energy component 2011 is sent to terminal box gateway 202.
It is understood that those skilled in the art can be set according to actual needs solar energy in actual application
The particular number of solar energy component 2011 in component 201, such as：The quantity such as 3,6 or 10, the embodiment of the present invention for
The specific number of solar energy component 2011 is without limitation in solar components 201.
The temperature checking method of the solar power system can specifically include：
Step 101：Each solar energy component is obtained from each component terminal box by the terminal box gateway
Open-circuit voltage.
In the embodiment of the present invention, since terminal box gateway 202 is connect with the component terminal box 2014 of solar energy component 2011,
In practical applications, it can control the open circuit electricity that terminal box gateway 202 obtains solar energy component 2011 from component terminal box 2014
Pressure.
Referring to Fig. 3, a kind of step flow chart of the open-circuit voltage of acquisition solar energy component of the invention is shown, specifically may be used
To include：
Step 1011：It controls the terminal box gateway and sends cut-off signals.
Specifically, it can control the sub-line terminal box that terminal box gateway 202 sends cut-off signals to solar energy component 2011
2014.Due to may include one or more switching device in component terminal box 2014, and there is detection solar energy component
The basic circuit of the functions such as 2011 voltages, the shutdown of control solar energy component 2011 or bypass, in practical applications, component wiring
Box 2014 can control the shutdown of solar energy component 2011, detection is too after the cut-off signals for receiving the transmission of terminal box gateway 202
It is positive can component 2011 open-circuit voltage, and send to terminal box gateway 202 open-circuit voltage of solar energy component 2011.
Step 1012：It receives each component terminal box and each of detects the solar energy according to the cut-off signals
The open-circuit voltage of component.
In the embodiment of the present invention, by between terminal box gateway 202 and the component terminal box 2014 of solar energy component 2011
Connection, can control terminal box gateway 202 and receive the solar energy that detects according to the cut-off signals of component terminal box 2014
The open-circuit voltage of component 2011.
Step 102：According to the open-circuit voltage, the operating temperature of each solar energy component is determined.
In the embodiment of the present invention, according to the open-circuit voltage of solar energy component 2011, solar energy component 2011 can be determined
Operating temperature, specific calculating process are as follows.
Specifically, the operating temperature of the n-th solar energy component 2011 in solar components 201 can be indicated with Tc_i,
The open-circuit voltage of n-th solar energy component 2011 in solar components 201 can indicate with Voc_i, solar energy component 2011
Open-circuit voltage at the standard conditions can indicate that the open-circuit voltage temperature coefficient of solar energy component 2011 can use K generation with Voc
It replaces.According to formula
In the embodiment of the present invention, due to the open-circuit voltage Voc and solar energy of solar energy component 2011 at the standard conditions
The open-circuit voltage temperature coefficient K of component 2011 can be obtained from the specifications of solar energy component 2011, therefore, according to formula
(1), the work temperature c_i of solar energy component 2011 can be calculated by the work temperature c_i of solar energy component 2011.
In the embodiment of the present invention, the open-circuit voltage of each solar energy component 2011 in detection solar components 201 can be passed through
The work temperature c_i of each solar energy component 2011 is calculated in Voc_i, in this manner it is possible to in solar components 201 it is each too
The work temperature c_i of positive energy component 2011 is measured in real time；Moreover, because each solar energy component in solar components 201
2011 work temperature c_i can directly be calculated by the open-circuit voltage Voc_i of a solar energy component 2011 and be got, therefore, accurately
It spends higher.
Step 103：If being greater than preset value in the solar components in the operating temperature of any one solar energy component, hold
Row alarm operation.
In the embodiment of the present invention, if the operating temperature of any one solar energy component 1011 is greater than in solar components 101
Preset value can execute alarm operation.
In specific application, the preset value can be set according to the actual situation.For example, 85 degree, 80 degree or
90 degree etc., the embodiment of the present invention does not do specific restriction for the preset value.
In the embodiment of the present invention, the alarm the operation including but not limited to shutdown of control solar energy component 2011, control
Solar components 201 turn off or control entire solar power system and stop operating.The embodiment of the present invention is for the report
The particular content of alert operation is without limitation.
In the embodiment of the present invention, when the operating temperature of any one solar energy component 2011 in solar components 201 is greater than
When preset value, alarm operation can be executed, each solar energy component 2011 in solar components 201 can be thus reduced and fire occurs
The probability of calamity improves the safety of the solar power system.
To sum up, the temperature checking method of solar power system provided in an embodiment of the present invention includes at least following advantages：
In the temperature checking method of solar power system described in the embodiment of the present invention, by the terminal box gateway from
Each component terminal box obtains the open-circuit voltage of each solar energy component；According to the open-circuit voltage, determine described in
The operating temperature of each solar energy component in solar components；If any one solar energy component in the solar components
Operating temperature in be greater than preset value, execute alarm operation, can be to the solar components in the solar power system
Operating temperature is measured in real time；Also, since the operating temperature of solar energy component each in the solar components can root
It directly calculates and gets according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；In addition,
When the operating temperature of any one solar energy component in the solar components is greater than preset value, alarm operation can be executed,
The probability that fire occurs for each solar energy component in the solar components can be thus reduced, the solar power generation system is improved
The safety of system.
Embodiment two
Referring to Fig. 4, the step flow chart of the temperature checking method of another solar power system of the invention is shown,
Applied to solar power system.
In the embodiment of the present invention, the schematic block diagram of the solar power system can be indicated by Fig. 5, in the base of Fig. 2
On plinth, solar power system shown in fig. 5 can also include：Inverter 203, one end of inverter 203 are equipped with the first input
End 2031 and second input terminal 2032, first input end 2031, the second input terminal 2032 respectively with solar components 201 first
Output end 2012, second output terminal 2013 connect, and the other end of inverter 203 is connect with terminal box gateway 202.
In the embodiment of the present invention, inverter 203 can be used for the direct current energy that solar components 202 generate being changed into friendship
Galvanic electricity energy, so that battery or load use.
In the embodiment of the present invention, since the other end and terminal box gateway 202 of inverter 203 in practical applications can be with
It is powered by inverter 203 to terminal box gateway 202.
The temperature checking method of the solar power system can specifically include：
Step 401：Control the inverter startup.
In the embodiment of the present invention, by control inverter 203 start, with realize inverter 203 to terminal box gateway 202 into
Row power supply.
Step 402：According to the serial connection relationship of the solar energy component each in the solar components, by described
Terminal box gateway successively obtains the open-circuit voltage of each solar energy component from each component terminal box.
In the embodiment of the present invention, can according to the serial connection relationship of solar energy component 2011 in solar components 201, according to
The secondary open-circuit voltage for obtaining solar energy component 2011.
For example, if solar components 201 from first solar energy component 2011 to n-th solar energy component 2011, successively
Being connected in series has N number of solar energy component 2011, in the embodiment of the present invention, can successively obtain from first solar energy component 2011
To the open-circuit voltage of n-th solar energy component 2011.
Step 403：According to the open-circuit voltage, the operating temperature of each solar energy component is determined.
In the embodiment of the present invention, according to each solar energy successively obtained from each component terminal box 2014 in step 403
The open-circuit voltage of component 2011 can determine the operating temperature of each solar energy component 2011.Detailed process is referred to following
Example.
Firstly, control terminal box gateway 202 sends shutdown to the component terminal box 2014 of first solar energy component 2011
Signal, component terminal box 2014 can control first solar energy after the cut-off signals for receiving the transmission of terminal box gateway 202
Component 2011 turns off, and detects the open-circuit voltage Voc_1 of first solar energy component 2011, and sends the to terminal box gateway 202
The open-circuit voltage Voc_1 of one solar energy component 2011.
Then, the component terminal box 2014 that control terminal box gateway 202 receives first solar energy component 2011 detects
The open-circuit voltage Voc_1 of first solar energy component 2,011 first solar energy component is calculated and according to formula (1)
2011 work temperature c_1.
Finally, first solar energy component 2011 of control accesses the solar power system, and repeat above-mentioned two step
Suddenly, the open-circuit voltage Voc_2 of second solar energy component 2011 is detected, and so on, until detecting n-th solar energy component
2011 open-circuit voltage Voc_N.
In the embodiment of the present invention, according to the serial connection relationship of solar energy component 2011 each in solar components 201, lead to
The open-circuit voltage that terminal box gateway 202 successively obtains each solar energy component 2011 from each component terminal box 2014 is crossed, it can be with
It avoids accessing new hardware in existing solar power system, save the cost, moreover, in detection solar components 202
When the open-circuit voltage of each solar energy component 2011, one of solar energy component in solar components 202 is only turned off every time
2011, it is minimum on the influence of the generated energy of solar components 201, the solar power system is carried out in this manner it is possible to improve
The reliability of temperature detection.
Step 404：If being greater than preset value in the solar components in the operating temperature of any one solar energy component, hold
Row alarm operation.
In the embodiment of the present invention, when the operating temperature of any one solar energy component 2011 in solar components 201 is greater than
When preset value, alarm operation, the alarm the operation including but not limited to shutdown of control solar energy component 2011, control can be executed
Solar components 201 processed turn off or control entire solar power system and stop operating.In this manner it is possible to reduce solar energy
The probability of fire occurs for each solar energy component 2011 in component 201, improves the safety of the solar power system.
To sum up, the temperature checking method of solar power system provided in an embodiment of the present invention includes at least following advantages：
Firstly, passing through the terminal box in the temperature checking method of solar power system described in the embodiment of the present invention
Gateway obtains the open-circuit voltage of each solar energy component from each component terminal box；According to the open-circuit voltage, really
The operating temperature of each solar energy component in the fixed solar components；If any one sun in the solar components
Preset value can be greater than in the operating temperature of component, execute alarm operation, it can be to the solar energy in the solar power system
The operating temperature of component is measured in real time；Also, due to the operating temperature of solar energy component each in the solar components
It can directly be calculated and be got according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；
In addition, alarm can be executed when the operating temperature of any one solar energy component in the solar components is greater than preset value
Operation can thus reduce the probability that fire occurs for each solar energy component in the solar components, improve the solar energy
The safety of electricity generation system.
Secondly, in the embodiment of the present invention, according to the serial connection of the solar energy component each in the solar components
Relationship successively obtains the open circuit electricity of each solar energy component by the terminal box gateway from each component terminal box
Pressure, can be to avoid accessing new hardware in existing solar power system, save the cost, moreover, detecting the sun
In energy component when the open-circuit voltage of each solar energy component, one of sun energon in the solar components is only turned off every time
Part, it is minimum on the influence of the generated energy of the solar components, temperature is carried out to the solar power system in this manner it is possible to improve
Spend the reliability of detection.
Embodiment three
Referring to Fig. 6, the step flow chart of the temperature checking method of another solar power system of the invention is shown,
Applied to solar power system.
In the embodiment of the present invention, the schematic block diagram of the solar power system can be indicated by Fig. 7, in the base of Fig. 5
On plinth, solar power system shown in Fig. 7 can also include：First switch 204, second switch 205 and capacitor 206；Wherein,
First switch 204 is connected between the first output end 2012 of solar components 201 and inverter 203；Second switch 205 and electricity
Hold 206 to be connected in turn between the first input end 2031 of inverter 203 and the second input terminal 2032.
In the embodiment of the present invention, first switch 204 is connected to the first output end 2012 and inverter of solar components 201
Between 203, the on-off between solar components 201 and inverter 203 can control.
In the embodiment of the present invention, capacitor 206 can be super capacitor, and super capacitor is a kind of between traditional capacitor and electricity
Power supply between pond, with property.Second switch 205 and capacitor 206 are connected to the first input end of inverter 203 in turn
2031 and second between input terminal 3032, is to carry out to inverter by capacitor 206 in the case where being closed with second switch 205
Power supply.
The temperature checking method of the solar power system can specifically include：
Step 601：Control the inverter startup.
In the embodiment of the present invention, by control inverter 203 start, with realize inverter 203 to terminal box gateway 202 into
Row power supply.
Step 602：The first switch disconnection, second switch closure are controlled, simultaneously by the terminal box gateway
The open-circuit voltage of each solar energy component is obtained from each component terminal box.
In the embodiment of the present invention, since first switch 204 is connected to the first output end 2012 of solar components 201 and inverse
Become between device 203, in practical applications, can control the disconnection of first switch 204, to disconnect solar components 201 and inverter
Connection between 203, meanwhile, control second switch 205 is closed, to be to be powered to inverter by capacitor 206.
Specifically, while controlling the disconnection of first switch 204, second switch 205 is closed, it can control terminal box gateway
The component terminal box 2014 of the 202 solar energy components 2011 all into solar components 201 starts cut-off signals, component wiring
Box 2014 can control all solar energy components 2011 and turn off after the cut-off signals for receiving the transmission of terminal box gateway 202,
Open-circuit voltage Voc_1, Voc_2 ... Voc_N of all solar energy components 2011 is detected, and is sent to terminal box gateway 202
Open-circuit voltage Voc_1, Voc_2 ... Voc_N of all solar energy components 2011.
In the embodiment of the present invention, each sun is obtained from each component terminal box 2014 simultaneously by terminal box gateway 202
The open-circuit voltage of energy component 2011, can detect the operating temperature of each solar energy component 2011 in solar components 201 simultaneously,
Detection efficiency is higher.Moreover, can be powered by capacitor 206 to inverter 203, during detection in this manner it is possible to keep away
All solar energy components 2011 in solar components 201 are simultaneously turned off during test free to cause the solar power system
It influences.
Step 603：According to the open-circuit voltage, the operating temperature of each solar energy component is determined.
In the embodiment of the present invention, according in step 503 simultaneously obtain all solar energy components 2011 open-circuit voltage,
According to formula (1), the operating temperature of each solar energy component 2011 in solar components 202 can be calculated.
Step 604：If being greater than preset value in the solar components in the operating temperature of any one solar energy component, hold
Row alarm operation.
In the embodiment of the present invention, when the operating temperature of any one solar energy component 2011 in solar components 201 is greater than
When preset value, alarm operation, the alarm the operation including but not limited to shutdown of control solar energy component 2011, control can be executed
Solar components 201 processed turn off or control entire solar power system and stop operating.In this manner it is possible to reduce solar energy
The probability of fire occurs for each solar energy component 2011 in component 201, improves the safety of the solar power system.
To sum up, the temperature checking method of solar power system provided in an embodiment of the present invention includes at least following advantages：
Firstly, passing through the terminal box in the temperature checking method of solar power system described in the embodiment of the present invention
Gateway obtains the open-circuit voltage of each solar energy component from each component terminal box；According to the open-circuit voltage, really
The operating temperature of each solar energy component in the fixed solar components；If any one sun in the solar components
Preset value can be greater than in the operating temperature of component, execute alarm operation, it can be to the solar energy in the solar power system
The operating temperature of component is measured in real time；Also, due to the operating temperature of solar energy component each in the solar components
It can directly be calculated and be got according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；
In addition, alarm can be executed when the operating temperature of any one solar energy component in the solar components is greater than preset value
Operation can thus reduce the probability that fire occurs for each solar energy component in the solar components, improve the solar energy
The safety of electricity generation system.
Secondly, being obtained simultaneously from each component terminal box by the terminal box gateway every in the embodiment of the present invention
The open-circuit voltage of a solar energy component, can detect the work temperature of each solar energy component in the solar components simultaneously
Degree, detection efficiency are higher.Moreover, during detection the inverter power supply can be given by the capacitor, in this way, just
It can be to avoid simultaneously turning off in the solar components all solar energy components in detection process to the solar power system
It impacts.
It should be noted that for simple description, therefore, it is stated as a series of action groups for embodiment of the method
It closes, but those skilled in the art should understand that, embodiment of that present invention are not limited by the describe sequence of actions, because according to
According to the embodiment of the present invention, some steps may be performed in other sequences or simultaneously.Secondly, those skilled in the art also should
Know, the embodiments described in the specification are all preferred embodiments, and the related movement not necessarily present invention is implemented
Necessary to example.
Example IV
Referring to Fig. 8, a kind of structural block diagram of the temperature-detecting device of solar power system of the invention is shown, is applied
In solar power system 810.
Solar power system 810 may include：Solar components 811 and terminal box gateway 812；Wherein, solar energy group
Part 811 may include：At least one solar energy component 8111, the first output end 8112 and second output terminal 8113；Each sun
Energy component 8111 is serially connected between the first output end 8112 and second output terminal 8113, is set on each solar energy component 8111
There is component terminal box 8114, each component terminal box 8114 is connect with terminal box gateway 812.
The temperature-detecting device 820 of solar power system may include：
Open-circuit voltage obtains module 821, every for being obtained by the terminal box gateway from each component terminal box
The open-circuit voltage of a solar energy component.
Operating temperature confirmation module 822, for determining the work of each solar energy component according to the open-circuit voltage
Temperature.
Alarm module 823, if being greater than in operating temperature for any one solar energy component in the solar components
Preset value executes alarm operation.
Referring to Fig. 9, the structural block diagram that a kind of open-circuit voltage of the invention obtains module is shown, can specifically include：
Cut-off signals sending submodule 8211 sends cut-off signals for controlling the terminal box gateway；
Open-circuit voltage receiving submodule 8212 is detected for receiving each component terminal box according to the cut-off signals
Each of arrive the open-circuit voltage of the solar energy component.
In practical applications, the temperature-detecting device 820 of solar power system, which can integrate, is arranged in terminal box gateway
On 812, or the device being independently arranged, temperature-detecting device 820 of the embodiment of the present invention for solar power system
Set-up mode be not specifically limited.
To sum up, the temperature-detecting device of solar power system provided in an embodiment of the present invention includes at least following advantages：
In the temperature-detecting device of solar power system described in the embodiment of the present invention, by the terminal box gateway from
Each component terminal box obtains the open-circuit voltage of each solar energy component；According to the open-circuit voltage, determine described in
The operating temperature of each solar energy component in solar components；If any one solar energy component in the solar components
Operating temperature in be greater than preset value, execute alarm operation, can be to the solar components in the solar power system
Operating temperature is measured in real time；Also, since the operating temperature of solar energy component each in the solar components can root
It directly calculates and gets according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；In addition,
When the operating temperature of any one solar energy component in the solar components is greater than preset value, alarm operation can be executed,
The probability that fire occurs for each solar energy component in the solar components can be thus reduced, the solar power generation system is improved
The safety of system.
Referring to Fig.1 0, the structural block diagram of the temperature-detecting device of another solar power system of the invention is shown,
Applied to solar power system 110.
In the embodiment of the present invention, solar power system 110 can also include on the basis of Fig. 8：Inverter 813, it is inverse
The one end for becoming device 813 is equipped with first input end 8131 and the second input terminal 8132, first input end 8131, the second input terminal 8132
Connect respectively with the first output end 8112 of solar components 811, second output terminal 8113, the other end of inverter 813 with connect
Wire box gateway 812 connects.
The temperature-detecting device 111 of solar power system may include：
Inverter control module 112, for controlling the inverter startup.
First open-circuit voltage acquisition submodule 113, for according to the solar energy component each in the solar components
Serial connection relationship, each sun energon is successively obtained from each component terminal box by the terminal box gateway
The open-circuit voltage of part.
Operating temperature confirmation module 114, for determining the work of each solar energy component according to the open-circuit voltage
Temperature.
Alarm module 115, if being greater than in operating temperature for any one solar energy component in the solar components
Preset value executes alarm operation.
In practical applications, the temperature-detecting device 111 of solar power system, which can integrate, is arranged in terminal box gateway
On 812 or on inverter 813, or the device being independently arranged, the embodiment of the present invention is for solar power system
The set-up mode of temperature-detecting device 111 is not specifically limited.
To sum up, the temperature-detecting device of solar power system provided in an embodiment of the present invention includes at least following advantages：
Firstly, passing through the terminal box in the temperature-detecting device of solar power system described in the embodiment of the present invention
Gateway obtains the open-circuit voltage of each solar energy component from each component terminal box；According to the open-circuit voltage, really
The operating temperature of each solar energy component in the fixed solar components；If any one sun in the solar components
Preset value can be greater than in the operating temperature of component, execute alarm operation, it can be to the solar energy in the solar power system
The operating temperature of component is measured in real time；Also, due to the operating temperature of solar energy component each in the solar components
It can directly be calculated and be got according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；
In addition, alarm can be executed when the operating temperature of any one solar energy component in the solar components is greater than preset value
Operation can thus reduce the probability that fire occurs for each solar energy component in the solar components, improve the solar energy
The safety of electricity generation system.
Secondly, in the embodiment of the present invention, according to the serial connection of the solar energy component each in the solar components
Relationship successively obtains the open circuit electricity of each solar energy component by the terminal box gateway from each component terminal box
Pressure, can be to avoid accessing new hardware in existing solar power system, save the cost, moreover, detecting the sun
In energy component when the open-circuit voltage of each solar energy component, one of sun energon in the solar components is only turned off every time
Part, it is minimum on the influence of the generated energy of the solar components, temperature is carried out to the solar power system in this manner it is possible to improve
Spend the reliability of detection.
Embodiment six
Referring to Fig.1 1, the structural block diagram of the temperature-detecting device of another solar power system of the invention is shown,
Applied to solar power system 116.
In the embodiment of the present invention, solar power system 116 can also include on the basis of Figure 10：First switch
814, second switch 815 and capacitor 816；Wherein, first switch 814 is connected to the first output end 8112 of solar components 811
Between inverter 813；Second switch 815 and capacitor 816 are connected to the first input end 8131 and second of inverter 813 in turn
Between input terminal 8132.
The temperature-detecting device 117 of solar power system may include：
Inverter control module 118, for controlling the inverter startup.
Second open-circuit voltage acquisition submodule 119, operating temperature confirmation module 120 are disconnected for controlling the first switch
Open, second switch closure, by the terminal box gateway simultaneously from each component terminal box obtain it is each it is described too
The open-circuit voltage of positive energy component.
Alarm module 121, if being greater than in operating temperature for any one solar energy component in the solar components
Preset value executes alarm operation.
In practical applications, the temperature-detecting device 116 of solar power system, which can integrate, is arranged in terminal box gateway
On 812 or on inverter 813, or the device being independently arranged, the embodiment of the present invention is for solar power system
The set-up mode of temperature-detecting device 117 is not specifically limited.
To sum up, the temperature-detecting device of solar power system provided in an embodiment of the present invention includes at least following advantages：
Firstly, passing through the terminal box in the temperature-detecting device of solar power system described in the embodiment of the present invention
Gateway obtains the open-circuit voltage of each solar energy component from each component terminal box；According to the open-circuit voltage, really
The operating temperature of each solar energy component in the fixed solar components；If any one sun in the solar components
Preset value can be greater than in the operating temperature of component, execute alarm operation, it can be to the solar energy in the solar power system
The operating temperature of component is measured in real time；Also, due to the operating temperature of solar energy component each in the solar components
It can directly be calculated and be got according to the open-circuit voltage of solar energy component each in the solar components, therefore, accuracy is higher；
In addition, alarm can be executed when the operating temperature of any one solar energy component in the solar components is greater than preset value
Operation can thus reduce the probability that fire occurs for each solar energy component in the solar components, improve the solar energy
The safety of electricity generation system.
Secondly, being obtained simultaneously from each component terminal box by the terminal box gateway every in the embodiment of the present invention
The open-circuit voltage of a solar energy component, can detect the work temperature of each solar energy component in the solar components simultaneously
Degree, detection efficiency are higher.Moreover, during detection the inverter power supply can be given by the capacitor, in this way, just
It can be to avoid simultaneously turning off in the solar components all solar energy components in detection process to the solar power system
It impacts.
For device embodiment, since it is basically similar to the method embodiment, related so being described relatively simple
Place illustrates referring to the part of embodiment of the method.
All the embodiments in this specification are described in a progressive manner, the highlights of each of the examples are with
The difference of other embodiments, the same or similar parts between the embodiments can be referred to each other.
It should be understood by those skilled in the art that, the embodiment of the embodiment of the present invention can provide as method, apparatus or calculate
Machine program product.Therefore, the embodiment of the present invention can be used complete hardware embodiment, complete software embodiment or combine software and
The form of the embodiment of hardware aspect.Moreover, the embodiment of the present invention can be used one or more wherein include computer can
With in the computer-usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) of program code
The form of the computer program product of implementation.
The embodiment of the present invention be referring to according to the method for the embodiment of the present invention, terminal device (system) and computer program
The flowchart and/or the block diagram of product describes.It should be understood that flowchart and/or the block diagram can be realized by computer program instructions
In each flow and/or block and flowchart and/or the block diagram in process and/or box combination.It can provide these
Computer program instructions are set to general purpose computer, special purpose computer, Embedded Processor or other programmable data processing terminals
Standby processor is to generate a machine, so that being held by the processor of computer or other programmable data processing terminal devices
Capable instruction generates for realizing in one or more flows of the flowchart and/or one or more blocks of the block diagram
The device of specified function.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing terminal devices
In computer-readable memory operate in a specific manner, so that instruction stored in the computer readable memory generates packet
The manufacture of command device is included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing terminal devices, so that
Series of operation steps are executed on computer or other programmable terminal equipments to generate computer implemented processing, thus
The instruction executed on computer or other programmable terminal equipments is provided for realizing in one or more flows of the flowchart
And/or in one or more blocks of the block diagram specify function the step of.
Although the preferred embodiment of the embodiment of the present invention has been described, once a person skilled in the art knows bases
This creative concept, then additional changes and modifications can be made to these embodiments.So the following claims are intended to be interpreted as
Including preferred embodiment and fall into all change and modification of range of embodiment of the invention.
Finally, it is to be noted that, herein, relational terms such as first and second and the like be used merely to by
One entity or operation are distinguished with another entity or operation, without necessarily requiring or implying these entities or operation
Between there are any actual relationship or orders.Moreover, the terms "include", "comprise" or its any other variant meaning
Covering non-exclusive inclusion, so that process, method, article or terminal device including a series of elements not only wrap
Those elements are included, but also including other elements that are not explicitly listed, or further includes for this process, method, article
Or the element that terminal device is intrinsic.In the absence of more restrictions, being wanted by what sentence "including a ..." limited
Element, it is not excluded that there is also other identical elements in process, method, article or the terminal device for including the element.
Above to a kind of temperature checking method and a kind of solar power generation of solar power system provided by the present invention
The temperature-detecting device of system, is described in detail, and specific case used herein is to the principle of the present invention and embodiment party
Formula is expounded, and the above description of the embodiment is only used to help understand the method for the present invention and its core ideas；Meanwhile it is right
In those of ordinary skill in the art, according to the thought of the present invention, change is had in specific embodiments and applications
Place, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (10)
1. a kind of temperature checking method of solar power system, which is characterized in that the solar power system includes：The sun
It can component and terminal box gateway；Wherein, the solar components include：At least one solar energy component, the first output end and
Two output ends；Each solar energy component is serially connected between first output end and the second output terminal, each
The solar energy component is equipped with component terminal box, and each component terminal box is connect with the terminal box gateway；It is described too
It is positive can the temperature checking method of electricity generation system include：
The open-circuit voltage of each solar energy component is obtained from each component terminal box by the terminal box gateway；
According to the open-circuit voltage, the operating temperature of each solar energy component is determined；
If being greater than preset value in the solar components in the operating temperature of any one solar energy component, alarm operation is executed.
2. the temperature checking method of solar power system according to claim 1, which is characterized in that described in the control
Terminal box gateway obtains the step of each component terminal box each of sends the open-circuit voltage of the solar energy component and includes：
It controls the terminal box gateway and sends cut-off signals；
Receive the open circuit electricity that each component terminal box each of detects the solar energy component according to the cut-off signals
Pressure.
3. the temperature checking method of solar power system according to claim 1, which is characterized in that the solar energy hair
Electric system further includes：Inverter, one end of the inverter are equipped with first input end and the second input terminal, first input
End, second input terminal are connect with the first output end of the solar components, second output terminal respectively, the inverter
The other end is connect with the terminal box gateway；
The open-circuit voltage of each solar energy component is then obtained from each component terminal box by the terminal box gateway
The step of before, further include：
Control the inverter startup.
4. the temperature checking method of solar power system according to claim 1, which is characterized in that described by described
Terminal box gateway obtains the step of open-circuit voltage of each solar energy component from each component terminal box and includes：
According to the serial connection relationship of the solar energy component each in the solar components, by the terminal box gateway according to
The secondary open-circuit voltage that each solar energy component is obtained from each component terminal box.
5. according to claim 1 with the temperature checking method of solar power system described in 3, which is characterized in that the sun
Can electricity generation system further include：First switch, second switch and capacitor；Wherein, the first switch is connected to the solar energy group
Between the first output end and the inverter of part；The second switch and the capacitor are connected to the of the inverter in turn
Between one input terminal and the second input terminal；
The open-circuit voltage of each solar energy component is then obtained from each component terminal box by the terminal box gateway
The step of include：
The first switch disconnection, second switch closure are controlled, by the terminal box gateway simultaneously from each son
Part terminal box obtains the open-circuit voltage of each solar energy component.
6. a kind of temperature-detecting device of solar power system, which is characterized in that the solar power system includes：The sun
It can component and terminal box gateway；Wherein, the solar components include：At least one solar energy component, the first output end and
Two output ends；Each solar energy component is serially connected between first output end and the second output terminal, each
The solar energy component is equipped with component terminal box, and each component terminal box is connect with the terminal box gateway；It is described too
It is positive can the temperature monitoring device of electricity generation system include：
Open-circuit voltage obtains module, for by the terminal box gateway from each component terminal box obtain it is each described in too
The open-circuit voltage of positive energy component；
Operating temperature confirmation module, for determining the operating temperature of each solar energy component according to the open-circuit voltage；
Alarm module, if for being greater than preset value in the operating temperature of any one solar energy component in the solar components,
Execute alarm operation.
7. the temperature-detecting device of solar power system according to claim 6, which is characterized in that the open-circuit voltage
Obtaining module includes：
Cut-off signals sending submodule sends cut-off signals for controlling the terminal box gateway；
Open-circuit voltage receiving submodule each of is detected for receiving each component terminal box according to the cut-off signals
The open-circuit voltage of the solar energy component.
8. the temperature-detecting device of solar power system according to claim 6, which is characterized in that the solar energy hair
Electric system further includes：Inverter, one end of the inverter are equipped with first input end and the second input terminal, first input
End, second input terminal are connect with the first output end of the solar components, second output terminal respectively, the inverter
The other end is connect with the terminal box gateway；
Then the temperature-detecting device of the solar power system further includes：
Inverter control module, for controlling the inverter startup.
9. the temperature-detecting device of solar power system according to claim 6, which is characterized in that the open-circuit voltage
Obtaining module includes：
First open-circuit voltage acquisition submodule, for serially connecting according to the solar energy component each in the solar components
Relationship is connect, successively obtains the open circuit of each solar energy component from each component terminal box by the terminal box gateway
Voltage.
10. according to the temperature-detecting device of solar power system described in claim 6 and 9, which is characterized in that the sun
Can electricity generation system further include：First switch, second switch and capacitor；Wherein, the first switch is connected to the solar energy group
Between the first output end and the inverter of part；The second switch and the capacitor are connected to the of the inverter in turn
Between one input terminal and the second input terminal；
Then the open-circuit voltage acquisition module includes：
First open-circuit voltage acquisition submodule disconnects, second switch closure for controlling the first switch, by described
Terminal box gateway obtains the open-circuit voltage of each solar energy component from each component terminal box simultaneously.
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| CN201810690085.9A CN108871613A (en) | 2018-06-28 | 2018-06-28 | A kind of temperature checking method and device of solar power system |
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| CN201810690085.9A CN108871613A (en) | 2018-06-28 | 2018-06-28 | A kind of temperature checking method and device of solar power system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108760083A (en) * | 2018-07-03 | 2018-11-06 | 汉能移动能源控股集团有限公司 | Working temperature detection method and system and abnormity early warning and system of solar module |
| CN112542982A (en) * | 2020-12-01 | 2021-03-23 | 中铁建工集团有限公司 | Building curtain wall type solar power generation system and method |
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