CN203339769U - Online energy storage power supply for photovoltaic and mains supply complementary input - Google Patents
Online energy storage power supply for photovoltaic and mains supply complementary input Download PDFInfo
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- CN203339769U CN203339769U CN2013204195936U CN201320419593U CN203339769U CN 203339769 U CN203339769 U CN 203339769U CN 2013204195936 U CN2013204195936 U CN 2013204195936U CN 201320419593 U CN201320419593 U CN 201320419593U CN 203339769 U CN203339769 U CN 203339769U
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Abstract
The utility model discloses an online energy storage power supply for photovoltaic and mains supply complementary input. The online 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 an alternating-current output circuit; the mains supply charge circuit, the photovoltaic charge circuit and the alternating-current output circuit are connected with the storage battery by a charge-discharge circuit switchover module which is in control connection with the battery parameter acquisition module; and the input end of the direct-current output circuit is connected to the circuit of the charge-discharge circuit switchover module and the storage battery. According to the energy storage power supply, solar energy is acquired by a photovoltaic module and stored in the storage battery, and the charge-discharge circuit switchover module is controlled by the battery parameter acquisition module, thus preventing the energy storage battery from overcharge and overdischarge; and the energy storage power supply is connected with the photovoltaic module by a photovoltaic input port, thus facilitating installation and transport, and is suitable for being used in the outdoors and regions with no power or less power. Mains supply input can be selected in case of insufficient illumination, thus providing uninterruptible power supply for household loads.
Description
Technical field
The utility model belongs to the accumulation power supply field, is specifically related to the online accumulation power supply of a kind of photovoltaic commercial power Complementary input structure.
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 the online accumulation power supply of a kind of photovoltaic commercial power Complementary input structure, 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: the online accumulation power supply of a kind of photovoltaic commercial power Complementary input structure, 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 carries out directly-exchange the interchange output circuit of changing and be provided with the ac output end mouth by an inversion module, described commercial power charged circuit is connected with storage battery by a charge-discharge circuit handover module with battery parameter acquisition module control connection with photovoltaic charged circuit and interchange output circuit, the input of described DC output circuit is connected on the circuit of charge-discharge circuit handover module and storage battery.
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 module.
The input of described DC output circuit and the circuit between storage battery are provided with a control switch.
The inversion module of described interchange output circuit 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.
The online accumulation power supply of photovoltaic commercial power Complementary input structure of the present utility model is charge in batteries by commercial power charged circuit or photovoltaic charged circuit, and direct current output is provided simultaneously and exchanges output, 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.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 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 online accumulation power supply embodiment of the utility model photovoltaic commercial power Complementary input structure, 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 carries out directly-exchange the interchange output circuit of changing and be provided with the ac output end mouth by an inversion module INV, the output of commercial power charged circuit and photovoltaic charged circuit and the input that exchanges output circuit link 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.
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 of the present embodiment is two-way IGBT module; 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 online accumulation power supply of the utility model photovoltaic commercial power Complementary input structure, 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 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, 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. the online accumulation power supply of photovoltaic commercial power Complementary input structure, 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 carries out directly-exchange the interchange output circuit of changing and be provided with the ac output end mouth by an inversion module, described commercial power charged circuit is connected with storage battery by a charge-discharge circuit handover module with battery parameter acquisition module control connection with photovoltaic charged circuit and interchange output circuit, the input of described DC output circuit is connected on the circuit of charge-discharge circuit handover module and storage battery.
2. the online accumulation power supply of photovoltaic commercial power Complementary input structure 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. the online accumulation power supply of photovoltaic commercial power Complementary input structure according to claim 1, it is characterized in that: described charge-discharge circuit handover module is two-way IGBT module.
4. the online accumulation power supply of photovoltaic commercial power Complementary input structure 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. the online accumulation power supply of photovoltaic commercial power Complementary input structure according to claim 1 is characterized in that: the inversion module of described interchange output circuit is provided with one and exchanges output switch.
6. according to the online accumulation power supply of the described photovoltaic commercial power Complementary input structure of claim 2～5 any one, it is characterized in that: described DC output circuit is provided with voltage transformation module.
7. the online accumulation power supply of photovoltaic commercial power Complementary input structure according to claim 6, 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. the online accumulation power supply of photovoltaic commercial power Complementary input structure according to claim 7 is characterized in that: described photovoltaic charged circuit, commercial power charged circuit and exchange output circuit and be provided with indicator light.
9. the online accumulation power supply of photovoltaic commercial power Complementary input structure according to claim 8, it is characterized in that: the circuit between described charge-discharge circuit handover module and storage battery is provided with fuse.
10. the online accumulation power supply of photovoltaic commercial power Complementary input structure according to claim 9, 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.
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| CN2013204195936U CN203339769U (en) | 2013-07-15 | 2013-07-15 | Online energy storage power supply for photovoltaic and mains supply complementary input |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647336A (en) * | 2013-12-31 | 2014-03-19 | 哈尔滨光宇电源股份有限公司 | Gasoline-electricity hybrid power supply system and control method of gasoline-electricity hybrid power supply system |
| CN109149745A (en) * | 2018-08-24 | 2019-01-04 | 广东南控电力有限公司 | A kind of photovoltaic energy storage system |
| CN110138336A (en) * | 2019-06-25 | 2019-08-16 | 佛山职业技术学院 | A kind of electrical performance testing instrument based on photovoltaic module |
| CN110531673A (en) * | 2019-09-09 | 2019-12-03 | 广州格绿朗遮阳篷科技有限公司 | A kind of environment adjustment method and system for outdoor assembly building |
| CN111435795A (en) * | 2019-01-14 | 2020-07-21 | 河北高达电子科技有限公司 | Civil air defense alarm power management system with secondary alarm capability |
| CN113162210A (en) * | 2021-05-07 | 2021-07-23 | 广东电网有限责任公司广州供电局 | Photovoltaic cell management system and method |
| CN114243853A (en) * | 2021-12-24 | 2022-03-25 | 无锡锂安新能源科技有限公司 | Portable power supply ecological system |
| TWI776316B (en) * | 2020-12-14 | 2022-09-01 | 國家中山科學研究院 | System with functions of energy storage, internet of things, disaster relief communication and control method thereof |
-
2013
- 2013-07-15 CN CN2013204195936U patent/CN203339769U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103647336A (en) * | 2013-12-31 | 2014-03-19 | 哈尔滨光宇电源股份有限公司 | Gasoline-electricity hybrid power supply system and control method of gasoline-electricity hybrid power supply system |
| CN109149745A (en) * | 2018-08-24 | 2019-01-04 | 广东南控电力有限公司 | A kind of photovoltaic energy storage system |
| CN111435795A (en) * | 2019-01-14 | 2020-07-21 | 河北高达电子科技有限公司 | Civil air defense alarm power management system with secondary alarm capability |
| CN110138336A (en) * | 2019-06-25 | 2019-08-16 | 佛山职业技术学院 | A kind of electrical performance testing instrument based on photovoltaic module |
| CN110531673A (en) * | 2019-09-09 | 2019-12-03 | 广州格绿朗遮阳篷科技有限公司 | A kind of environment adjustment method and system for outdoor assembly building |
| TWI776316B (en) * | 2020-12-14 | 2022-09-01 | 國家中山科學研究院 | System with functions of energy storage, internet of things, disaster relief communication and control method thereof |
| CN113162210A (en) * | 2021-05-07 | 2021-07-23 | 广东电网有限责任公司广州供电局 | Photovoltaic cell management system and method |
| CN114243853A (en) * | 2021-12-24 | 2022-03-25 | 无锡锂安新能源科技有限公司 | Portable power supply ecological system |
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Effective date of registration: 20211231 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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Granted publication date: 20131211 |
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