CN204905908U - Domestic type solar energy energy storage lithium cell power supply unit - Google Patents
Domestic type solar energy energy storage lithium cell power supply unit Download PDFInfo
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- CN204905908U CN204905908U CN201520476982.1U CN201520476982U CN204905908U CN 204905908 U CN204905908 U CN 204905908U CN 201520476982 U CN201520476982 U CN 201520476982U CN 204905908 U CN204905908 U CN 204905908U
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- output
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- power supply
- solar energy
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/10—Photovoltaic [PV]
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a domestic type solar energy energy storage lithium cell power supply unit, include electric connection's photovoltaic cell board in proper order, the charge management circuit, battery and BMS battery management system, power supply unit still includes the dc -to -ac converter, converter and DCDC power module, the input of dc -to -ac converter and BMS battery management system's first electric energy output electric connection, BMS battery management system's second electric energy output and DCDC power module's input electric connection, DCDC power module's output direct current, the first input end of converter inserts the commercial power, the second input of converter and the output electric connection of dc -to -ac converter, the output output interflow of converter. Compared with the prior art, the utility model discloses the charge management circuit can be controlled storage battery charging and directly provide the direct current, and the dc -to -ac converter can become the alternating current with DC conversion, and the converter can this alternating current of automatic switch -over and commercial power, proof load continued work.
Description
Technical field
The utility model relates to a kind of electric supply installation, particularly relates to a kind of domestic type solar energy storage lithium battery power supply device.
Background technology
Along with the development of industrial society, the total amount of non-renewable energy as coal, oil etc. is fewer and feweri, the whole world is faced with more and more severeer scarcity of resources problem, and in order to address this problem, developing regenerative resource such as solar energy, waterpower, wind-force etc. becomes a main trend.To utilize solar energy, the electric energy that existing solar power supply apparatus produces is direct current, and voltage is lower, is 48V, can not meet the daily demand of people.In addition, can unexpected power-off when the electric energy of solar power supply apparatus exhausts, use very inconvenient.Therefore, be necessary to provide a kind of new electric supply installation to solve the problems referred to above.
Utility model content
The purpose of this utility model is that providing a kind of can become alternating current, the domestic type solar energy storage lithium battery power supply device of automatic switchover civil power and storage battery by the DC conversion that solar energy produces.
To achieve these goals, the technical scheme that adopts of the utility model is as follows:
A kind of domestic type solar energy storage lithium battery power supply device, comprise the photovoltaic battery panel be electrically connected successively, charge management circuit, storage battery and BMS battery management system, described electric supply installation also comprises inverter, transducer and DC/DC power module, the input of described inverter and the first electric energy output end of described BMS battery management system are electrically connected, second electric energy output end of described BMS battery management system and the input of described DC/DC power module are electrically connected, the output of described DC/DC power module exports direct current, the first input end access civil power of described transducer, second input of described transducer and the output of described inverter are electrically connected, the output output AC electricity of described transducer.
Preferably, described electric supply installation also comprises microprocessor and LCDs, and described microprocessor is connected between described BMS battery management system and described LCDs.
Preferably, described electric supply installation also comprises communication unit, is electrically connected between described communication unit and described microprocessor by communication interface.
Preferably, described charge management circuit comprises single-chip microcomputer and the field effect transistor for controlling described charge in batteries, the grid of described single-chip microcomputer and described field effect transistor is electrically connected, and the source electrode of described field effect transistor and drain electrode and described storage battery are connected in series in charging circuit.
Preferably, described storage battery adopts environment-friendly type ferric phosphate lithium cell.
Preferably, described transducer comprises dual-power transfer switch.
Compared with prior art, the beneficial effect of the utility model domestic type solar energy storage lithium battery power supply device is: described charge management circuit can control described charge in batteries and directly provide direct current, described inverter can by converting direct-current power into alternating-current power, described transducer can automatically switch this alternating current and civil power, proof load continuous firing.
Accompanying drawing explanation
Fig. 1 is the circuit structure block diagram of the utility model domestic type solar energy storage lithium battery power supply device.
Embodiment
Below in conjunction with specific embodiment, the utility model is described further.
Refer to shown in Fig. 1, the utility model domestic type solar energy storage lithium battery power supply device comprises the photovoltaic battery panel, charge management circuit, storage battery and the BMS battery management system that are electrically connected successively, and described storage battery adopts environment-friendly type ferric phosphate lithium cell.Described electric supply installation also comprises inverter, transducer and DC/DC power module, the input of described inverter and the first electric energy output end of described BMS battery management system are electrically connected, second electric energy output end of described BMS battery management system and the input of described DC/DC power module are electrically connected, the output of described DC/DC power module exports direct current, the first input end access civil power of described transducer, second input of described transducer and the output of described inverter are electrically connected, the output output AC electricity of described transducer, described transducer comprises dual-power transfer switch.
Described electric supply installation also comprises microprocessor, LCDs and communication unit, and described microprocessor is connected between described BMS battery management system and described LCDs, is electrically connected between described communication unit and described microprocessor by communication interface.
Described charge management circuit comprises single-chip microcomputer and the field effect transistor for controlling described charge in batteries, the grid of described single-chip microcomputer and described field effect transistor is electrically connected, and the source electrode of described field effect transistor and drain electrode and described storage battery are connected in series in charging circuit.
In the present embodiment, the specification of described photovoltaic battery panel is 48V/200W, and described photovoltaic battery panel adopts monocrystalline silicon, and surface is many water chestnuts plane skylight, still can daylighting under the low light level, and photoelectric conversion rate is up to more than 20%.The specification of described ferric phosphate lithium cell is 48V/100AH, and its advantage has extended cycle life, and security performance is reliable, and light weight, energy density is high.Charge in batteries controls by described charge management circuit, described charge management circuit adopts pulse width modulation, realize determining electric current output or determine voltage output to charge to described storage battery, microprocessor as described in the performance parameter (as cell voltage, residual capacity, circulating battery number of times, battery temperature etc.) of storage battery sends to by described BMS battery management system in real time, described microprocessor decides charging current according to this performance parameter, makes charging process meet the charging U/I curve of storage battery.After storage battery is full of electricity, the output voltage of storage battery is 48V, and microprocessor controls cuts off field effect transistor, thus stops charging.
In the utility model, the lithium electric protection module that described BMS battery management system build-in function is complete, has the functions such as over-charge protective, Cross prevention, overcurrent protection, overheat protector, short-circuit protection to storage battery.Described LCDs can show the charge information such as voltage and residual capacity of storage battery in real time.48V direct current can be converted to 110V or 220V alternating current, frequency 50HZ, peak power output 5000W by described inverter.Described DC/DC power module exports 5 ~ 48V direct current, meets family's direct current electricity consumption occasion, peak power output 100W.
Operation principle of the present utility model is: described photovoltaic battery panel can convert solar energy to electric energy, and under the control of charge management circuit, storage battery is charged, daytime, light energy conversion was that power storage is in storage battery by photovoltaic battery panel, storage battery exports direct current by described DC/DC power module, described inverter is by converting direct-current power into alternating-current power, and power to load, described transducer can automatically switch this alternating current and civil power, when the electric energy in storage battery does not exhaust, described dual-power transfer switch control load connects the alternating current that storage battery produces, when the electric energy in storage battery exhausts, described dual-power transfer switch control load connects civil power.
Schematically above be described the utility model and execution mode thereof, this description does not have restricted, and also just one of the execution mode of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection range of the present utility model all should be belonged to.
Claims (6)
1. a domestic type solar energy storage lithium battery power supply device, comprise the photovoltaic battery panel be electrically connected successively, charge management circuit, storage battery and BMS battery management system, it is characterized in that: described electric supply installation also comprises inverter, transducer and DC/DC power module, the input of described inverter and the first electric energy output end of described BMS battery management system are electrically connected, second electric energy output end of described BMS battery management system and the input of described DC/DC power module are electrically connected, the output of described DC/DC power module exports direct current, the first input end access civil power of described transducer, second input of described transducer and the output of described inverter are electrically connected, the output output AC electricity of described transducer.
2. domestic type solar energy storage lithium battery power supply device as claimed in claim 1, it is characterized in that: described electric supply installation also comprises microprocessor and LCDs, described microprocessor is connected between described BMS battery management system and described LCDs.
3. domestic type solar energy storage lithium battery power supply device as claimed in claim 2, be is characterized in that: described electric supply installation also comprises communication unit, is electrically connected between described communication unit and described microprocessor by communication interface.
4. domestic type solar energy storage lithium battery power supply device as claimed in claim 1, it is characterized in that: described charge management circuit comprises single-chip microcomputer and the field effect transistor for controlling described charge in batteries, the grid of described single-chip microcomputer and described field effect transistor is electrically connected, and the source electrode of described field effect transistor and drain electrode and described storage battery are connected in series in charging circuit.
5. domestic type solar energy storage lithium battery power supply device as claimed in claim 1, is characterized in that: described storage battery adopts environment-friendly type ferric phosphate lithium cell.
6. domestic type solar energy storage lithium battery power supply device as claimed in claim 1, is characterized in that: described transducer comprises dual-power transfer switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476982.1U CN204905908U (en) | 2015-07-06 | 2015-07-06 | Domestic type solar energy energy storage lithium cell power supply unit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520476982.1U CN204905908U (en) | 2015-07-06 | 2015-07-06 | Domestic type solar energy energy storage lithium cell power supply unit |
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| Publication Number | Publication Date |
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| CN204905908U true CN204905908U (en) | 2015-12-23 |
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| CN201520476982.1U Active CN204905908U (en) | 2015-07-06 | 2015-07-06 | Domestic type solar energy energy storage lithium cell power supply unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991822A (en) * | 2021-10-29 | 2022-01-28 | 惠州高盛达科技有限公司 | Photovoltaic panel charge-discharge application circuit based on BUCK circuit |
-
2015
- 2015-07-06 CN CN201520476982.1U patent/CN204905908U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113991822A (en) * | 2021-10-29 | 2022-01-28 | 惠州高盛达科技有限公司 | Photovoltaic panel charge-discharge application circuit based on BUCK circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Xiaohong Inventor after: Fan Yeping Inventor before: Xie Yong Inventor before: Zhang Xiaohong Inventor before: Fan Yeping |
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| CB03 | Change of inventor or designer information | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000, 2 building, No. 2, building 398, Yi Sheng Road, Kunshan, Suzhou, Jiangsu Patentee after: Kunshan Jin Xin new energy Limited by Share Ltd Address before: 215000, 2 building, No. 2, building 398, Yi Sheng Road, Kunshan, Suzhou, Jiangsu Patentee before: Kunshan Jinxin New Energy Technology Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 2/F, Building 398 Yisheng Road, Kunshan High-tech Zone, Suzhou City, Jiangsu Province Patentee after: Kunshan Jinxin New Energy Technology Co., Ltd. Address before: 2/F, Building 398 Yisheng Road, Kunshan High-tech Zone, Suzhou City, Jiangsu Province Patentee before: Kunshan Jin Xin new energy Limited by Share Ltd |
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| CP01 | Change in the name or title of a patent holder |