CN202535287U - Series solar battery power source inverting system - Google Patents
Series solar battery power source inverting system Download PDFInfo
- Publication number
- CN202535287U CN202535287U CN2012200342166U CN201220034216U CN202535287U CN 202535287 U CN202535287 U CN 202535287U CN 2012200342166 U CN2012200342166 U CN 2012200342166U CN 201220034216 U CN201220034216 U CN 201220034216U CN 202535287 U CN202535287 U CN 202535287U
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- inverter
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- power source
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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
- 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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Abstract
The utility model provides a series solar battery power source inverting system connected between a DC power source and a load. The DC power source includes a battery array formed by connecting a plurality of solar storage batteries in series. The series solar battery power source inverting system is characterized in that the series solar battery power source inverting system includes an inverter used for performing AC inverting and boosting on the AC power source, and a comprehensive control system used for controlling the inverter. The comprehensive control system includes a power source voltage-stabilizing module used for controlling the output of the DC power source and connected between the DC power source and the inverter, an inverter detecting module used for adjusting the output the inverter and connected to an output terminal of the inverter, and a comprehensive protection system connected to the power source voltage-stabilizing module and the inverter detecting module. The series solar battery power source inverting system adjusts output voltage of the solar battery array to an electric supply base that can be used by household appliances, and further includes functions of detecting the electric quantity of the solar battery array, stabilizing the output of the inverter and protecting the inverter from being damaged by overloading or underloading.
Description
Technical field
The utility model relates to solar storage battery utilization field, especially a kind of solar energy series-connected cell power supply inverter.
Background technology
The voltage of domestic power supply is thought alternating current 220V at present, and frequency is 50Hz, and the electric power system of domestic power supply is generally mains supply, yet in area that some electrical networks do not set up or the area that often has a power failure, just there is bigger difficulty in household electricity.Yet because the development of current inversion transformation technique; Make that using storage battery provides household voltage to become possibility, especially for sufficient area at some sunshines, the applying solar charge technology; With energy storage in the solar storage battery of special use; Convert the electric energy of storage battery into available domestic power supply again during electricity consumption, for household use, thus can improve the quality of life of family greatly.
The single nominal value of solar storage battery output voltage is 12V; Actual application is because its magnitude of voltage of difference of accumulator cell charging and discharging degree also has bigger variation, can be from 10.5V to 14V, for the power requirement of the 220V/50Hz of family expenses; The power supply output of obviously directly using storage battery is impossible; Obtain the required higher direct voltage of inversion system, just need a plurality of batteries be connected obtains high direct voltage, then high direct voltage is added to the power inverter system; So just can convert the dc low-voltage output of storage battery into domestic power supply, thereby satisfy the needs of family.What of battery stores electric weight this inversion system also will detect simultaneously, functions such as the size of output current and regulated output voltage, and system just can become practical reliable like this.
The utility model content
In view of this; The purpose of the utility model is to propose a kind of solar energy series-connected cell power inverter system; This inversion system is adjusted on the civil power basis that household electrical appliance can use at the output voltage of the power supply that will be made up of a plurality of solar storage batteries, and stable output function and the protection inverter of electric weight measuring ability, inverter that has further comprised solar storage battery is by the function of overload or underload damage.
A kind of solar energy series-connected cell power inverter system that proposes according to the purpose of the utility model; Be connected between a direct current power supply and the load; Said DC power supply comprises the array that a plurality of solar storage batteries are in series; This inversion system comprises and is used for said DC power supply is carried out the inverter that ac converter boosts; With the complex control system that is used to control said inverter, said complex control system comprises: be used to control the power regulator module of DC power supply output, be connected between said DC power supply and the inverter; Be used to regulate the inverter detection module of inverter output, be connected the output of said inverter; And Integrated Protection System, be connected said power regulator module and said inverter detection module.
Preferably; Said power regulator module comprises: comprise the power supply detection module that is used to detect electric power output voltage and/or output current, the element cell detection module that is used to detect single solar storage battery electric weight, and be connected the direct current stabilizer between dc power output end and the inverter.
Preferably, further comprise the hv filtering device, be connected between said direct current stabilizer and the said inverter.
Preferably; Said inverter comprises: DC boosting module, high-voltage rectifying module and ac high-voltage inversion module; Wherein, Said DC boosting module connects the output of solar storage battery, and said high-voltage rectifying module connects this DC boosting module, and said ac high-voltage inversion module connects this high-voltage rectifying module and exports to electric appliance load.
Preferably; Further comprise human-computer interaction interface; Said human-computer interaction interface is connected on the said Integrated Protection System, comprising: array state display module, inverter output current and output voltage display module, fault display module, and alarm module.
Preferably, said human-computer interaction interface further comprises instruction input module.
The present invention is elaborated with specific embodiment below in conjunction with accompanying drawing.
Description of drawings
Fig. 1 is the module diagram of the solar storage battery power supply inverter of the utility model;
Fig. 2 is the inverter module sketch map of utility model;
Fig. 3 is the human-computer interaction interface module diagram of the utility model.
Embodiment
See also Fig. 1, Fig. 1 is the module diagram of the solar energy series-connected cell power inverter system of the utility model.As shown in the figure, this inversion system is connected between a direct current power supply 10 and the load 30, and said DC power supply 10 is composed in series array by a plurality of solar storage batteries, and the output voltage of this each solar storage battery is such as being that 10V is between the 14V.Said load 30 is the power device of a use civil power.This solar energy series-connected cell power inverter system comprises:
Complex control system is used to control the input and output situation of said inverter 100, makes this inverter 100 always work in preferable states.Said complex control system comprises:
Integrated Protection System 140 is connected on said power regulator module 110 and the said inverter detection module 120.This Integrated Protection System 140 receives the detection signal that power supply detection module 111 sends over; According to testing result to the output voltage and/or the output current of power supply; Applied voltage voltage stabilizing negative feedback control technology; Different loads with because under the different unsettled situation of solar storage battery serial array output voltage that cause of battery electric quantity, the direct voltage that can keep being added in inverter 100 is a constant voltage, thereby guarantee that output is a stable AC voltage; The detection signal that these Integrated Protection System 140 receiving element battery detecting modules 112 send over; According to each unit accumulator property is detected in real time; Judge the integral working of solar storage battery serial array, guarantee that inversion system is operated in a reliable and secure state.Through above-mentioned integral body to power supply and individual secondary monitoring, the output current overcurrent is taking place, carry out the corresponding protection action when output voltage overvoltage or under-voltage and storage battery are under-voltage, guarantee that the safety of system is not damaged.
See also Fig. 2, Fig. 2 is the module diagram of the inverter of utility model.As shown in the figure, this inverter 100 comprises: DC boosting module 101, high-voltage rectifying module 102 and ac high-voltage inversion module 103.Wherein, Said DC boosting module 101 connects the output of solar storage battery 10; With the dc voltage conversion of solar storage battery 10 outputs is the ac square wave high pressure; This DC boosting module 101 maximum that can regulate high pressure simultaneously, to satisfy the needs that exchange output, this modular power capacity is the maximum of whole system power output; Said high-voltage rectifying module 102 connects this DC boosting module 101, and the ac square wave rectification that DC boosting module 101 is provided is a high direct voltage, and carries out filtering, makes it to become level and smooth direct voltage; Said ac high-voltage inversion module 103 connects this high-voltage rectifying module 102 and exports to load 30; This ac high-voltage inversion module 103 is high direct voltage conversion SPWM (square wave of the Sine Modulated duty ratio) voltage that high-voltage rectifying module 102 is provided; And adjust the carrier frequency of SPWM according to output frequency; Add inductance capacitor filtering, thus the sinusoidal voltage of output smoothing.Simultaneously, the size that inverter detection module 120 is measured output voltage in real time feeds back to Integrated Protection System 140, adjusts the output size of SPWM, reaches the sinusoidal voltage output of voltage stabilizing constant frequency at last.
Preferably; Further comprise human-computer interaction interface; Said human-computer interaction interface is connected on the said Integrated Protection System, comprising: array state display module, inverter output current and output voltage display module, fault display module, and alarm module.
See also Fig. 3, Fig. 3 is the human-computer interaction interface module diagram of the utility model.As shown in the figure, said human-computer interaction interface 200 is connected on the said Integrated Protection System 140, comprising: array state display module 210 is used for showing the information such as storing electricity, output voltage and electric current of solar storage battery array 10; Inverter output current and output voltage display module 220 are used for showing the output information of inverter 100; Fault display module 230 is used for showing the fault message of whole inverter; And alarm module 240, when whole inverter breaks down, be used for operating personnel are sent alarm signal.This Integrated Protection System 140 is connected on the human-computer interaction interface 200 simultaneously, when whole inverter breaks down, carries out corresponding fault prompting, makes the user to carry out correct maintenance to whole system.
Further, this human-computer interaction interface 200 can also comprise instruction input module 250, this instruction input module 250 such as be keyboard, mouse or touch screen etc. can supply operating personnel instruct the input equipment.
Further, this inversion system also comprises hv filtering device 130, is connected between said direct current stabilizer 113 and the said inverter 100.
By the detailed description of above preferred embodiment, hope can be known description characteristic of the present invention and spirit more, and is not to come claim scope of the present invention is limited with the above-mentioned preferred embodiment that is disclosed.On the contrary, its objective is that hope can contain in the scope of claim of being arranged in of various changes and tool equality institute of the present invention desire application.
Claims (6)
1. solar energy series-connected cell power inverter system; Be connected between a direct current power supply and the load; Said DC power supply comprises the array that a plurality of solar storage batteries are in series, and it is characterized in that: comprise being used for said DC power supply is carried out inverter that ac converter boosts and the complex control system that is used to control said inverter; Said complex control system comprises: be used to control the power regulator module of DC power supply output, be connected between said DC power supply and the inverter; Be used to regulate the inverter detection module of inverter output, be connected the output of said inverter; And Integrated Protection System, be connected said power regulator module and said inverter detection module.
2. solar energy series-connected cell power inverter as claimed in claim 1 system; It is characterized in that: said power regulator module comprises: comprise the power supply detection module that is used to detect electric power output voltage and/or output current, the element cell detection module that is used to detect single solar storage battery electric weight, and be connected the direct current stabilizer between dc power output end and the inverter.
3. solar energy series-connected cell power inverter as claimed in claim 2 system is characterized in that: further comprise the hv filtering device, be connected between said direct current stabilizer and the said inverter.
4. solar energy series-connected cell power inverter as claimed in claim 1 system; It is characterized in that: said inverter comprises: DC boosting module, high-voltage rectifying module and ac high-voltage inversion module; Wherein, Said DC boosting module connects the output of solar storage battery, and said high-voltage rectifying module connects this DC boosting module, and said ac high-voltage inversion module connects this high-voltage rectifying module and exports to electric appliance load.
5. solar energy series-connected cell power inverter as claimed in claim 1 system; It is characterized in that: further comprise human-computer interaction interface; Said human-computer interaction interface is connected on the said Integrated Protection System; Comprise: array state display module, inverter output current and output voltage display module, fault display module, and alarm module.
6. solar energy series-connected cell power inverter as claimed in claim 5 system, it is characterized in that: said human-computer interaction interface further comprises instruction input module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200342166U CN202535287U (en) | 2012-02-03 | 2012-02-03 | Series solar battery power source inverting system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012200342166U CN202535287U (en) | 2012-02-03 | 2012-02-03 | Series solar battery power source inverting system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202535287U true CN202535287U (en) | 2012-11-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012200342166U Expired - Fee Related CN202535287U (en) | 2012-02-03 | 2012-02-03 | Series solar battery power source inverting system |
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| Country | Link |
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| CN (1) | CN202535287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895987A (en) * | 2017-12-27 | 2018-04-10 | 佛山市众盈电子有限公司 | A kind of power supply of Intelligent adjustment charging current |
| CN113922674A (en) * | 2021-10-09 | 2022-01-11 | 上海康恒环境股份有限公司 | Direct current voltage stabilizing device and direct current system |
| CN114362304A (en) * | 2021-12-31 | 2022-04-15 | 煤炭科学技术研究院有限公司 | Coal mine underground micro-grid system |
-
2012
- 2012-02-03 CN CN2012200342166U patent/CN202535287U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895987A (en) * | 2017-12-27 | 2018-04-10 | 佛山市众盈电子有限公司 | A kind of power supply of Intelligent adjustment charging current |
| CN113922674A (en) * | 2021-10-09 | 2022-01-11 | 上海康恒环境股份有限公司 | Direct current voltage stabilizing device and direct current system |
| CN113922674B (en) * | 2021-10-09 | 2024-04-19 | 上海康恒环境股份有限公司 | Direct current voltage stabilizing device and direct current system |
| CN114362304A (en) * | 2021-12-31 | 2022-04-15 | 煤炭科学技术研究院有限公司 | Coal mine underground micro-grid system |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20121114 Termination date: 20150203 |
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| EXPY | Termination of patent right or utility model |