CN203871913U - Environmentally-friendly photovoltaic lithium/commercial power complementary type power supply - Google Patents
Environmentally-friendly photovoltaic lithium/commercial power complementary type power supply Download PDFInfo
- Publication number
- CN203871913U CN203871913U CN201420208677.XU CN201420208677U CN203871913U CN 203871913 U CN203871913 U CN 203871913U CN 201420208677 U CN201420208677 U CN 201420208677U CN 203871913 U CN203871913 U CN 203871913U
- Authority
- CN
- China
- Prior art keywords
- photovoltaic
- circuit
- lithium battery
- lithium
- power
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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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]
-
- 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
Landscapes
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
In recent years, photovoltaic power generation has become an important distribution-type power generation form and gradually adopted by people. In order to effectively satisfy household power supplying and use requirements, a operation mode integrating photovoltaic power generation, lithium power energy storage, a charging/discharging control system, commercial power complementation and an intelligent management control system is used, so it is achieved that photovoltaic power generation and commercial power complementation support load power utilization; energy saving and environmental protection effects are effectively achieved; intelligent coordinate work including distributed-type photovoltaic power generation, commercial power accessing and the intelligent system is achieved and complementary type power supplying among them is achieved; and it is beneficial to photovoltaic application development and increasing of economical benefit of photovoltaic power generation. The objective of the utility model is to provide the environmentally-friendly photovoltaic lithium/commercial power complementary type power supply, so requirements of lithium/commercial power complementary input for an energy storage power supply and supplying of alternative/direct current output are satisfied.
Description
Technical field
The utility model belongs to accumulation power supply technical field, specifically relates to a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply.
Background technology
The at present raising of people's living standard and with the increasing of electric loading, people more and more highlight high dependence to power supply, especially to higher reliability of electric power and the electric energy stability of quality of power supply proposition.Solar energy has the advantages such as aboundresources, exploitation convenience, cleanliness without any pollution, and photovoltaic generation, as the main application form of solar power generation, has become a kind of important distributed generation system.Development along with renewable energy power generation technology such as photovoltaic, wind-powered electricity generations, distributed photovoltaic power generation day by day becomes a kind of effective way that meets load growth demand, raising comprehensive utilization rate of energy source, raising power supply reliability, and is widely used in electric power system.But large-scale distributed photovoltaic generation has also produced some negative effects, as higher in unit cost of access, control complicated, the voltage of large system and frequency are existed and are impacted etc.The operational mode that this has limited distributed power generation, has weakened its advantage and potential.
Utility model content
For above-mentioned weak point of the prior art, the purpose of this utility model is to provide a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula 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 solve the problems of the technologies described above, the utility model is achieved through the following technical solutions: a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply, it comprises controller, the lithium battery charging by mains circuit and with it the battery parameter acquisition module of correspondence, on described commercial power charged circuit, be provided with the mains electricity input end mouth for being electrically connected to city, the charging input end of described lithium battery is also provided with for carrying out photovoltaic charged photovoltaic charged circuit, on described photovoltaic charged circuit, be also provided with the photovoltaic input port for being connected with photovoltaic module, described lithium battery is connected with the DC output circuit that is provided with DC output end mouth and by an inversion module, carries out directly-exchange the interchange output circuit of changing and be provided with ac output end mouth, described commercial power charged circuit is connected with lithium battery with the controller of battery parameter acquisition module control connection by one with photovoltaic charged circuit and interchange output circuit, the input of described DC output circuit is connected on the circuit of controller and lithium battery, described photovoltaic charged circuit connects lithium battery by controller.
Preferably, described lithium battery accesses inversion unit via a bi-directional inverter by charge-discharge system, connects mains supply simultaneously.
Preferably, described commercial power charged circuit input is connected to lithium battery by control circuit and the isolation inversion of controller.
Preferably, the input of described DC output circuit and the circuit between lithium battery are provided with a control switch.
Compared with prior art the beneficial effects of the utility model are: the online accumulation power supply of photovoltaic commercial power Complementary input structure of the present utility model is lithium cell charging 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 lithium battery power supply, when photovoltaic system energy output is not enough, can manually select civil power to be input as lithium battery power supply.This accumulation power supply gathers storage of solar energy to lithium battery by photovoltaic module, and battery parameter acquisition module is controlled charge-discharge circuit handover module, prevents energy-storage battery super-charge super-discharge; This accumulation power supply is connected by 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 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.
accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the utility model circuit theory diagrams;
Fig. 2 is photovoltaic power supply control flow chart;
Fig. 3 is mains-supplied control flow chart;
Fig. 4 is lithium battery input/output port control logic figure.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1, a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply, it comprises controller, the lithium battery charging by mains circuit and with it the battery parameter acquisition module of correspondence, on described commercial power charged circuit, be provided with the mains electricity input end mouth for being electrically connected to city, the charging input end of described lithium battery is also provided with for carrying out photovoltaic charged photovoltaic charged circuit, on described photovoltaic charged circuit, be also provided with the photovoltaic input port for being connected with photovoltaic module, described lithium battery is connected with the DC output circuit that is provided with DC output end mouth and by an inversion module, carries out directly-exchange the interchange output circuit of changing and be provided with ac output end mouth, described commercial power charged circuit is connected with lithium battery with the controller of battery parameter acquisition module control connection by one with photovoltaic charged circuit and interchange output circuit, the input of described DC output circuit is connected on the circuit of controller and lithium battery, described photovoltaic charged circuit connects lithium battery by controller, described lithium battery accesses inversion unit via a bi-directional inverter by charge-discharge system, connect mains supply simultaneously, described commercial power charged circuit input is connected to lithium battery by control circuit and the isolation inversion of controller, the input of described DC output circuit and the circuit between lithium battery are provided with a control switch.
As shown in Figure 2, in load, be 0 o'clock, judge whether the voltage of storage battery is greater than maximum set value, if be greater than set point, just directly disconnect photovoltaic input, otherwise adopt photovoltaic to be input as charge in batteries; In load, be not 0 o'clock, 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 3 the utility model 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 civil power input, otherwise adopt civil power to be input as charge in batteries; In load, be not 0 o'clock, judge whether to have civil power, if had, adopting civil power is directly load supplying, otherwise just adopt storage battery, is load supplying jointly.
Be illustrated in figure 4 the utility model lithium battery input/output port control logic figure, first detect the voltage of storage battery, if the monomer voltage value detecting is greater than monomer charging maximum set value, disconnect charging input end mouth; If in the magnitude of voltage setting range of batteries, closure discharges and recharges port; If the monomer voltage value detecting is less than the monomer minimum set point of charging, disconnect electric discharge port.
Claims (4)
1. environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply, it is characterized in that: comprise controller, the lithium battery charging by mains circuit and with it the battery parameter acquisition module of correspondence, on described commercial power charged circuit, be provided with the mains electricity input end mouth for being electrically connected to city, the charging input end of described lithium battery is also provided with for carrying out photovoltaic charged photovoltaic charged circuit, on described photovoltaic charged circuit, be also provided with the photovoltaic input port for being connected with photovoltaic module, described lithium battery is connected with the DC output circuit that is provided with DC output end mouth and by an inversion module, carries out directly-exchange the interchange output circuit of changing and be provided with ac output end mouth, described commercial power charged circuit is connected with lithium battery with the controller of battery parameter acquisition module control connection by one with photovoltaic charged circuit and interchange output circuit, the input of described DC output circuit is connected on the circuit of controller and lithium battery, described photovoltaic charged circuit connects lithium battery by controller.
2. a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply according to claim 1, is characterized in that: described lithium battery accesses inversion unit via a bi-directional inverter by charge-discharge system, connects mains supply simultaneously.
3. a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply according to claim 1, is characterized in that: described commercial power charged circuit input is connected to lithium battery by control circuit and the isolation inversion of controller.
4. a kind of environment-friendly type photovoltaic lithium electricity mains hybrid formula power supply according to claim 1, is characterized in that: the input of described DC output circuit and the circuit between lithium battery are provided with a control switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208677.XU CN203871913U (en) | 2014-04-28 | 2014-04-28 | Environmentally-friendly photovoltaic lithium/commercial power complementary type power supply |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420208677.XU CN203871913U (en) | 2014-04-28 | 2014-04-28 | Environmentally-friendly photovoltaic lithium/commercial power complementary type power supply |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203871913U true CN203871913U (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420208677.XU Expired - Fee Related CN203871913U (en) | 2014-04-28 | 2014-04-28 | Environmentally-friendly photovoltaic lithium/commercial power complementary type power supply |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203871913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108886263A (en) * | 2016-05-18 | 2018-11-23 | 株式会社村田制作所 | Power supply device, power supply method and electrical storage device |
-
2014
- 2014-04-28 CN CN201420208677.XU patent/CN203871913U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108886263A (en) * | 2016-05-18 | 2018-11-23 | 株式会社村田制作所 | Power supply device, power supply method and electrical storage device |
| CN108886263B (en) * | 2016-05-18 | 2021-10-15 | 株式会社村田制作所 | Power supply device, power supply method, and power storage device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141008 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |