CN203339768U - Backup energy storage power supply for photovoltaic and mains supply complementary input - Google Patents
Backup energy storage power supply for photovoltaic and mains supply complementary input Download PDFInfo
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- CN203339768U CN203339768U CN2013204194505U CN201320419450U CN203339768U CN 203339768 U CN203339768 U CN 203339768U CN 2013204194505 U CN2013204194505 U CN 2013204194505U CN 201320419450 U CN201320419450 U CN 201320419450U CN 203339768 U CN203339768 U CN 203339768U
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Abstract
The utility model discloses a backup energy storage power supply for photovoltaic and mains supply complementary input. The backup energy storage power supply for photovoltaic and mains supply complementary input comprises a mains supply charge circuit, a photovoltaic charge circuit, a storage battery and a battery parameter acquisition module corresponding to the storage battery, wherein the storage battery is connected with a direct-current output circuit and a first alternating-current output branch circuit; the input end of the direct-current output circuit is connected to the circuit of a charge-discharge circuit switchover module and the storage battery; a mains supply input port is connected with an alternating-current output port by a short-circuit wire to form a second alternating-current output branch circuit; and the first alternating-current output branch circuit and the second alternating-current output branch circuit are interlocking branch circuits. According to the backup energy storage power supply for photovoltaic and mains supply complementary input disclosed by the utility model, the storage battery is charged by the mains supply charge circuit or the photovoltaic charge circuit, and direct-current output and two paths of alternating-current output are provided simultaneously; and when mains supply is normal, alternating-current input is directly connected to the alternating-current output, and when the mains supply is abnormal, manual switchover is performed, so that power loss can be furthest reduced, and then an energy-saving purpose can be achieved.
Description
Technical field
The utility model belongs to the accumulation power supply field, is specifically related to a kind of photovoltaic commercial power Complementary input structure backup type accumulation power supply.
Background technology
The worsening shortages of the energy makes every country all be devoted to construction of energy conservation-minded society, solar energy is because it is pollution-free, renewable, the characteristics such as inexhaustible are widely used, generally in short supply in current conventional electric power resource, the solar energy clean energy resource develops rapidly in situation, and how effectively utilizing solar energy resources to promote the well-being of mankind is one of research topic that the world today is most active.Known accumulation power supply is to consist of energy-storage battery group, protective circuit and input/output port; use charger to be charged; external power source can only be civil power; do not there is the DC charging function; can't realize the access of photovoltaic generating system; this accumulation power supply can't access the solar energy new forms of energy, can not meet the demand of user to utilization of new energy resources.And independently solar electric power supply system mainly adopts storage battery to carry out storage power, but work as storage battery due to weather or not charging in time of other reasons, storage battery can not be load supplying in over-discharge state.For many household electrical appliance, need power supply continuously, this just needs between solar energy power generating and urban distribution network, to switch flexibly, and two kinds of supply power modes all want to meet the electricity consumption requirement of AC load and DC load simultaneously, just are unlikely to the interruption that damages electric equipment or cause power supply.
The utility model content
The purpose of this utility model is to provide a kind of photovoltaic commercial power Complementary input structure backup type accumulation power supply, with the requirement that meets accumulation power supply photovoltaic commercial power Complementary input structure and can provide alternating current-direct current to export simultaneously.
In order to realize above purpose, the technical scheme that the utility model adopts is: a kind of photovoltaic commercial power Complementary input structure backup type accumulation power supply, comprise that carrying out commercial power charged storage battery by commercial power charged circuit reaches corresponding with it battery parameter acquisition module, described commercial power charged circuit is provided with commercial power charged machine and the mains electricity input end mouth for being electrically connected to city, the charging input end of described storage battery also is provided with for carrying out photovoltaic charged photovoltaic charged circuit, described photovoltaic charged circuit is provided with photovoltaic controller and the photovoltaic input port for being connected with photovoltaic module, described storage battery is connected with the DC output circuit that is provided with the DC output end mouth and the first interchange output branch road that carries out directly-exchange changing and being provided with the ac output end mouth by an inversion module, described commercial power charged circuit exchanges the output branch road with photovoltaic charged circuit and first and is connected with storage battery by a charge-discharge circuit handover module with battery parameter acquisition module control connection, the input of described DC output circuit is connected on the circuit of charge-discharge circuit handover module and storage battery, connect and compose second by shorting stub between described mains electricity input end mouth and ac output end mouth and exchange the output branch road, first exchanges the output branch road, and exchanges the output branch road with second be to interlock branch road.
Described commercial power charged circuit and photovoltaic charged circuit are controlled gating by a switching gating switch.
Described charge-discharge circuit handover module is two-way IGBT modular circuit.
The input of described DC output circuit and the circuit between storage battery are provided with a control switch.
Described inversion module is provided with one and exchanges output switch.
Described DC output circuit is provided with voltage transformation module.
This accumulation power supply also comprises control panel, and control panel is provided with display screen, and display screen supplies to be electrically connected to the output of DC output circuit; Described battery parameter acquisition module is connected with the display screen communication.
Described photovoltaic charged circuit, commercial power charged circuit and interchange output circuit are provided with indicator light.
Circuit between described charge-discharge circuit handover module and storage battery is provided with fuse.
Described DC output end mouth comprises direct current output wiring terminal and/or direct current USB output port; Described ac output end mouth comprises Three-hole socket and/or two spring hole scokets.
Photovoltaic commercial power Complementary input structure backup type accumulation power supply of the present utility model is charge in batteries by commercial power charged circuit or photovoltaic charged circuit, and provide direct current output to exchange output with two-way simultaneously, under well-lighted condition, can select photovoltaic to be input as storage battery power supply, when the photovoltaic system energy output is not enough, can manually select civil power to be input as storage battery power supply; When civil power is normal, directly by exchanging input, be connected to interchange output, when civil power is undesired, carry out manual switching, when using city's Electricity Functional, the efficiency that this pattern is directly changed, far above 90% of traditional backup type, can reach 99%.Therefore can reduce to greatest extent power loss, and then reach energy-conservation purpose.This accumulation power supply gathers storage of solar energy to storage battery by photovoltaic module, and the battery parameter acquisition module is controlled the charge-discharge circuit handover module, prevents the energy-storage battery super-charge super-discharge; This accumulation power supply is connected by the photovoltaic input port with photovoltaic module, is convenient to install and transportation, is applicable to field and uses without the few electric area of electricity.Under the condition of illumination deficiency, can select the civil power input, for domestic loads provides uninterrupted power supply, be mainly used in the electric power abundance, the place that power supply quality is good, close such as the standby electric field such as family's energy storage, business operation, rescue and relief work, ground observation, national defense construction, emergency service, leisure camping.
The accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model;
Fig. 2 is front panel schematic diagram of the present utility model;
Fig. 3 is rear board schematic diagram of the present utility model;
Fig. 4 is the photovoltaic power supply control flow chart;
Fig. 5 is the mains-supplied control flow chart;
Fig. 6 is accumulation power supply storage battery input/output port control logic figure.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, the utility model is described further.
Be illustrated in figure 1 the circuit diagram of the utility model photovoltaic commercial power Complementary input structure backup type accumulation power supply embodiment, as seen from the figure, this accumulation power supply comprises that carrying out commercial power charged storage battery by commercial power charged circuit reaches corresponding with it battery parameter acquisition module, commercial power charged circuit is provided with commercial power charged machine INCH and the mains electricity input end mouth for being electrically connected to city, the charging input end of storage battery also is provided with for carrying out photovoltaic charged photovoltaic charged circuit, photovoltaic charged circuit is provided with photovoltaic controller SOCN and the photovoltaic input port for being connected with photovoltaic module, storage battery is connected with the DC output circuit that is provided with the DC output end mouth and the first interchange output branch road that carries out directly-exchange changing and being provided with the ac output end mouth by an inversion module INV, the input that the output of commercial power charged circuit and photovoltaic charged circuit and first exchanges the output branch road links together, and be connected with storage battery by a charge-discharge circuit handover module with battery parameter acquisition module control connection, the input of DC output circuit is connected on the circuit of charge-discharge circuit handover module and storage battery, connect and compose second by shorting stub between mains electricity input end mouth and ac output end mouth and exchange the output branch road, this shorting stub is by external pulse signal controlling break-make, first exchanges the output branch road exchanges the output branch road for the interlocking branch road with second, form interlocked relationship, guarantee to only have at one time a branch road to connect.
In addition, commercial power charged circuit and photovoltaic charged circuit are controlled gating by a switching gating switch SA1.The charge-discharge circuit handover module circuit of the present embodiment is two-way IGBT modular circuit; adopt the IGBT device to carry out switching controls; have to battery pack overcharge, cross put, overload protection function; do not need separately to connect tentaculum, relay etc.; have that control response speed is fast, cost is low, integrated level is high, the advantages such as failure rate is low.
The civil power input circuit is provided with input indicator HD1; Be provided with a control switch (miniature circuit breaker) QF1 on the input of DC output circuit and the circuit between storage battery; Exchange output circuit and be provided with interchange control output switch (residual current circuit breaker) QF2 and output indicator HD2, be provided with one on inversion module and exchange output switch SA2, what exchange output switch control is a switch level signal, when inversion module receives this level signal closure, control and exchange the output circuit connection, its function basic principle is: the unlatching of IGBT and closure are controlled by the triggering level pulse.
For digital products such as extensive universal in the market mobile phone, ipad, the DC output end mouth of the present embodiment comprises direct current output wiring terminal and/or direct current USB output port, can directly charge to above-mentioned digital product; Adopt lithium-ion-power cell to substitute traditional storage battery, more environment-friendly high-efficiency, make quick use lithium-ion-power cell replacement traditional lead acid batteries become possibility.DC output circuit is provided with voltage transformation module DC/DC, and intrasystem 24V voltage, through this module converts, is outputed to the power port that two-way voltage is 5V, and each is connected to separately a USB interface this power port, altogether two-way (USB1 and USB2).
In order further to ensure the fail safe of circuit, on the input of DC output circuit and the circuit between storage battery, be provided with and insure fuse F.
This accumulation power supply also comprises control panel, and control panel is provided with display screen SC1, and display screen SC1 supplies to be electrically connected to the output of DC output circuit; The battery parameter acquisition module is connected with mains switch SB1, and is connected with display screen by communication interface, and this module is monitored monomer battery voltage, battery temperature, the battery strings electric current of storage battery, and carries out SOC estimation and leakage current detect; Photovoltaic charged circuit, commercial power charged circuit and interchange output circuit are provided with indicator light; Display screen shows in real time relevant parameters such as voltage, electric current, SOC, temperature, can allow the user intuitively understand the running status of accumulation power supply.
As shown in Figure 2 with Fig. 3 front and back panels schematic appearance that is the utility model photovoltaic commercial power Complementary input structure backup type accumulation power supply, as seen from the figure, front panel comprises exchanging input indicator, photovoltaic input indicator, exchange output indicator and battery undervoltage indicator light and display screen, direct current USB output port and exchanging output switch button SA2, civil power and exchanges switching gating switch SA1, mains switch SB1 that input inputs with photovoltaic DC and exchange accessory power outlet (comprising Three-hole socket and two spring hole scokets); Rear board comprises mains electricity input end mouth and photovoltaic input port and radiator fan, can automatically start radiator fan according to desired temperature, possesses the temperature treatment function; In addition, also comprise that battery supply input interface, control switch QF1(are the battery supply input switch in Fig. 3) and communication interface.
The present embodiment be take storage battery, and to adopt 16 monomer ferric phosphate lithium cells be example, as follows to its operation principle and procedure declaration:
Charging scheme: this accumulation power supply sends pulse triggering signal by the switching of the small boat type on control panel gating switch SA1, control its charge mode is switched between photovoltaic and civil power, commercial power charged electric current maximum can reach 10A, and photovoltaic charged electric current maximum can reach 45A.At mains switch, SB1 presses, display screen shows under the normal unprotect condition of battery information, in selective light photovoltaic generating system when charging,, photovoltaic module is inputted by photovoltaic input port, switching gating switch SA1(photovoltaic), photovoltaic controller SOCN, control switch QF1 be connected and charged with storage battery; Select when commercial power charged, civil power is by mains electricity input end mouth, the input of switching gating switch SA1(civil power), commercial power charged machine INCH, control switch QF1 be connected and charged with storage battery.In charging process, the battery parameter acquisition module will constantly detect voltage and the temperature of whole 16 cells with the cycle of 20ms.When the voltage that any battery detected or temperature surpass set point (this parameter is adjustable), the battery parameter acquisition module sends pulse triggering signal to two-way IGBT module, disconnect charging circuit, and before alarm parameters is not replied normal value, manually send again any charging triggering signal, can closed IGBT conducting charge circuit.When disconnecting charging circuit, the battery parameter acquisition module will send the overvoltage indicator light of alarm signal to guidance panel, and inform the user by display screen, thereby guarantee charging safety and the functional parameter demand of a whole set of accumulation power supply.
Discharge scheme: electric discharge is divided into two parts: a part realizes exchanging output by inversion module, and a part realizes direct current USB5V output by direct voltage modular converter circuit.When power supply is exported, the battery parameter acquisition module can be realized collection and the calculating of all battery parameters, when any cell being detected and under-voltage or excess temperature occur (the critical value parameter is adjustable), to send pulse signal to the IGBT discharge loop, IGBT receives this pulse signal, the controlled discharge loop is disconnected, and before alarm parameters is not replied normal value, manually send again any electric discharge triggering signal, can closed IGBT conducting discharge loop, export under-voltage signal to under-voltage indicator light and the display screen of guidance panel simultaneously and inform the user, thereby guarantee electric discharge safety and the functional parameter demand of a whole set of accumulation power supply.
In addition, the wide dynamic direct current that the photovoltaic In-put design is 30V-100V is inputted, and therefore possesses the photovoltaic module access function of wide region, facilitates the user to carry out 1-2 photovoltaic modulies serial connections according to actual conditions.
Being illustrated in figure 4 the utility model accumulation power supply photovoltaic power supply control flow chart, as seen from the figure, is 0 o'clock in load, whether the voltage that judges storage battery is greater than maximum set value, if be greater than set point, just directly disconnect the photovoltaic input, otherwise adopt photovoltaic to be input as charge in batteries; Be not 0 o'clock in load, judge whether the voltage of storage battery is less than minimum set point, if be less than, adopting photovoltaic system is directly load supplying, otherwise just adopt photovoltaic system and storage battery, is load supplying jointly.
Being illustrated in figure 5 the utility model accumulation power supply mains-supplied control flow chart, as seen from the figure, is 0 o'clock in load, whether the voltage that judges storage battery is greater than maximum set value, if be greater than set point, just directly disconnect the civil power input, otherwise adopt civil power to be input as charge in batteries; Be not 0 o'clock in load, judge whether to have civil power, if having, adopting civil power is directly load supplying, otherwise just adopt storage battery, is load supplying jointly.
Be illustrated in figure 6 the utility model accumulation power supply storage battery input/output port control logic figure, at first detect the voltage of storage battery, if the monomer voltage value detected is greater than monomer charging maximum set value, disconnect the charging input end mouth; If, in the magnitude of voltage setting range of batteries, closure discharges and recharges port; If the monomer voltage value detected is less than the monomer minimum set point of charging, disconnect the electric discharge port.
Accumulation power supply of the present utility model, under well-lighted condition, can select photovoltaic to be input as storage battery power supply; When the photovoltaic system energy output is not enough, can manually select civil power to be input as storage battery power supply, meet the demand of system as stand-by power supply.After grid cut-off, this accumulation power supply can be realized the automatic switching function to load supplying, realizes the automatic switchover of power consumption equipment to civil power and accumulation power supply, and at civil power, under stable condition, power consumption equipment is preferentially used mains-supplied; If civil power breaks down, can automatically switch to storage battery power supply, for load provides uninterrupted power supply.
The utlity model has following characteristics: the rated capacity of accumulation power supply is 2.5kWh, according to demand can be in 2.4kWh～6kWh scope expansion.This accumulation power supply gathers storage of solar energy to storage battery by photovoltaic module, and the battery parameter acquisition module is controlled the charge-discharge circuit handover module, prevents the energy-storage battery super-charge super-discharge; This accumulation power supply is connected by the photovoltaic input port with photovoltaic module, is convenient to install and transportation, is applicable to field and uses without the few electric area of electricity.Under the condition of illumination deficiency, can select the civil power input, for domestic loads provides uninterrupted power supply, be mainly used in the standby electric field such as family's energy storage, business operation, rescue and relief work, ground observation, national defense construction, emergency service, leisure camping and close.
The present embodiment adopts the switching gating switch to be used for switching civil power input and photovoltaic input; certainly adopt interlocking switch circuit can realize switching too gating; all similar routine techniques means that are transformed to those skilled in the art, drop in protection range of the present utility model.
Claims (10)
1. a photovoltaic commercial power Complementary input structure backup type accumulation power supply, it is characterized in that: comprise that carrying out commercial power charged storage battery by commercial power charged circuit reaches corresponding with it battery parameter acquisition module, described commercial power charged circuit is provided with commercial power charged machine and the mains electricity input end mouth for being electrically connected to city, the charging input end of described storage battery also is provided with for carrying out photovoltaic charged photovoltaic charged circuit, described photovoltaic charged circuit is provided with photovoltaic controller and the photovoltaic input port for being connected with photovoltaic module, described storage battery is connected with the DC output circuit that is provided with the DC output end mouth and the first interchange output branch road that carries out directly-exchange changing and being provided with the ac output end mouth by an inversion module, described commercial power charged circuit exchanges the output branch road with photovoltaic charged circuit and first and is connected with storage battery by a charge-discharge circuit handover module with battery parameter acquisition module control connection, the input of described DC output circuit is connected on the circuit of charge-discharge circuit handover module and storage battery, connect and compose second by shorting stub between described mains electricity input end mouth and ac output end mouth and exchange the output branch road, first exchanges the output branch road, and exchanges the output branch road with second be to interlock branch road.
2. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 1 is characterized in that: described commercial power charged circuit and photovoltaic charged circuit are controlled gating by a switching gating switch.
3. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 1, it is characterized in that: described charge-discharge circuit handover module is two-way IGBT modular circuit.
4. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 1, it is characterized in that: the input of described DC output circuit and the circuit between storage battery are provided with a control switch.
5. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 1 is characterized in that: described inversion module is provided with one and exchanges output switch.
6. according to the described photovoltaic commercial power Complementary input structure of claim 2～5 any one backup type accumulation power supply, it is characterized in that: described DC output circuit is provided with voltage transformation module.
7. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 5, it is characterized in that: this accumulation power supply also comprises control panel, and control panel is provided with display screen, the output of display screen and DC output circuit is for being electrically connected to; Described battery parameter acquisition module is connected with the display screen communication.
8. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 5 is characterized in that: described photovoltaic charged circuit, commercial power charged circuit and exchange output circuit and be provided with indicator light.
9. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 7, it is characterized in that: the circuit between described charge-discharge circuit handover module and storage battery is provided with fuse.
10. photovoltaic commercial power Complementary input structure backup type accumulation power supply according to claim 8, it is characterized in that: described DC output end mouth comprises direct current output wiring terminal and/or direct current USB output port; Described ac output end mouth comprises Three-hole socket and/or two spring hole scokets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204194505U CN203339768U (en) | 2013-07-15 | 2013-07-15 | Backup energy storage power supply for photovoltaic and mains supply complementary input |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013204194505U CN203339768U (en) | 2013-07-15 | 2013-07-15 | Backup energy storage power supply for photovoltaic and mains supply complementary input |
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| CN203339768U true CN203339768U (en) | 2013-12-11 |
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| CN2013204194505U Expired - Lifetime CN203339768U (en) | 2013-07-15 | 2013-07-15 | Backup energy storage power supply for photovoltaic and mains supply complementary input |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571658A (en) * | 2016-10-08 | 2017-04-19 | 北京太和人居科技有限公司 | Power supply device |
| CN108494100A (en) * | 2018-05-18 | 2018-09-04 | 上海德朗能新能源有限公司 | A kind of household energy-storage system and its control circuit |
| CN110445229A (en) * | 2019-07-22 | 2019-11-12 | 深圳市华思旭科技有限公司 | Accumulation power supply |
-
2013
- 2013-07-15 CN CN2013204194505U patent/CN203339768U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571658A (en) * | 2016-10-08 | 2017-04-19 | 北京太和人居科技有限公司 | Power supply device |
| CN108494100A (en) * | 2018-05-18 | 2018-09-04 | 上海德朗能新能源有限公司 | A kind of household energy-storage system and its control circuit |
| CN110445229A (en) * | 2019-07-22 | 2019-11-12 | 深圳市华思旭科技有限公司 | Accumulation power supply |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220107 Address after: No.1 Jiangdong Avenue, Jintan District, Changzhou City, Jiangsu Province Patentee after: Zhongchuangxin Aviation Technology Co.,Ltd. Address before: No.66, Binhe North Road, high tech Development Zone, Luoyang City, Henan Province Patentee before: CHINA AVIATION LITHIUM BATTERY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20131211 |
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| CX01 | Expiry of patent term |