CN204615688U - The special electric energy optimizing case of photo-voltaic power generation station - Google Patents
The special electric energy optimizing case of photo-voltaic power generation station Download PDFInfo
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- CN204615688U CN204615688U CN201520236577.2U CN201520236577U CN204615688U CN 204615688 U CN204615688 U CN 204615688U CN 201520236577 U CN201520236577 U CN 201520236577U CN 204615688 U CN204615688 U CN 204615688U
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- point tracking
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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 relates to the special electric energy optimizing case of a kind of photo-voltaic power generation station, belongs to the circuit arrangement of ac distribution network.Pass the signal along in optimization case of the present utility model by the collector-shoe gear between photovoltaic module and inverter, also comprise the power-supply system connected successively, automatic boosting system, electric quantity measuring system, maximum power point tracking system and master control borad, automatic boosting system comprises the power amplifier board with voltage regulation function, electric quantity measuring system comprises voltage hall sensor, current Hall transducer and display unit, maximum power point tracking system comprises DC converter, maximum power point tracking system comprises DC converter also, maximum power point tracking system selects chip to be connected with master control borad by sheet.The utility model is a kind of equipment be applied between photovoltaic module and inverter, can widen the scope of confluxing of voltage, thus improves the generating efficiency of photovoltaic generating system.
Description
Technical field
The utility model relates to the special electric energy optimizing case of a kind of photo-voltaic power generation station, belongs to the circuit arrangement of ac distribution network.
Background technology
Current photovoltaic combiner box mainly existing photovoltaic combiner box is the connecting line in order to reduce between photovoltaic module and inverter, generally needs between photovoltaic module and inverter, increase direct current collector-shoe gear.Several photovoltaic panel directly can be carried out Parallel opertation by photovoltaic combiner box by user.The available generating voltage scope of inverter in photovoltaic plant is: 450V ~ 950V, and the electric energy lower than 450V does not process, and wastes the electric energy of this part.(1) conventional header box can only carry out Parallel opertation the multichannel photovoltaic group of input, and voltage is immutable; (2) conventional header box is when photovoltaic panel output is greater than 450V, and inverter can not work; (3) can not converse between conventional header box; (4) conventional header box does not have metering device; (5) conventional header box does not have MPPT maximum power point tracking function.
Utility model content
The purpose of this utility model is the above-mentioned defect overcoming the existence of existing photovoltaic combiner box, proposing the special electric energy optimizing case of a kind of photo-voltaic power generation station is the while that several photovoltaic panel being carried out Parallel opertation, the voltage of photovoltaic battery panel is raised, its output voltage is made to be greater than 450V, to be less than 1000V, be incorporated in the acceptable operating voltage range of inverter, reach and extend the photovoltaic power station power generation time, improve the object of photovoltaic power station power generation efficiency.
The utility model adopts following technical scheme to realize: the special electric energy optimizing case of a kind of photo-voltaic power generation station, pass the signal along in optimization case of the present utility model by the collector-shoe gear between photovoltaic module and inverter, also comprise the power-supply system, automatic boosting system, electric quantity measuring system, maximum power point tracking system and the master control borad that connect successively, described power-supply system comprises the power panel exporting 24V direct current, and power-supply system is connected with the power end of master control borad with automatic boosting system, electric quantity measuring system, maximum power point tracking system respectively; Automatic boosting system comprises the power amplifier board with voltage regulation function, electric quantity measuring system comprises voltage hall sensor, current Hall transducer and display unit, maximum power point tracking system comprises DC converter, maximum power point tracking system comprises DC converter also, and maximum power point tracking system selects chip to be connected with master control borad by sheet.
Described master control borad connects at least one group of power-supply system automatic boosting corresponding with at least one group; Described system, electric quantity measuring system and maximum power point tracking system; Described master control borad selects a chip to be connected with maximum power point tracking system by four; Described automatic boosting system adopts four road DVR power amplifier boards; Described maximum power point tracking system adopts four road MPPT to follow the tracks of power model; Described electric quantity measuring system adopts four road DVR check-out consoles.
The beneficial effects of the utility model are:
(1) the special electric energy optimizing case of photo-voltaic power generation station described in the utility model, by automatic boosting system, can adjust the amplitude of voltage, meet the power consumption equipment of different voltage requirements;
(2) the special electric energy optimizing case of photo-voltaic power generation station described in the utility model, the maximum of overall power can be remained by maximum power point tracking system, extend generating dutation greatly, drastically increase the generating efficiency of whole photo-voltaic power generation station, the energy output increasing photo-voltaic power generation station is up to 17%;
(3) the special electric energy optimizing case of photo-voltaic power generation station described in the utility model, is integrated incoherent header box by master control borad, realizes dialogue each other, realizes the electricity of the increase photo-voltaic power generation station of maximal efficiency flexibly;
(4) the special electric energy optimizing case of photo-voltaic power generation station described in the utility model, by electric quantity measuring system, can detect and record the power supply signal of header box, feed back to control board and control.
Accompanying drawing explanation
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is system logic block diagram of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, the utility model is described in further detail.
As depicted in figs. 1 and 2, described circuit theory diagrams of the present utility model, its power-supply system, automatic boosting system, electric quantity measuring system, maximum power point tracking system and master control borad, described power-supply system comprises the power panel exporting 24V direct current, and power-supply system is connected with the power end of master control borad with automatic boosting system, electric quantity measuring system, maximum power point tracking system respectively; Automatic boosting system comprises the power amplifier board with voltage regulation function, electric quantity measuring system comprises voltage hall sensor, current Hall transducer and display unit, maximum power point tracking system comprises DC converter, maximum power point tracking system comprises DC converter also, and maximum power point tracking system selects chip to be connected with master control borad by sheet.Described master control borad connects at least one group of power-supply system automatic boosting corresponding with at least one group; Described system, electric quantity measuring system and maximum power point tracking system; Described master control borad selects a chip to be connected with maximum power point tracking system by four; Described automatic boosting system adopts four road DVR power amplifier boards; Described maximum power point tracking system adopts four road MPPT to follow the tracks of power model; Described electric quantity measuring system adopts four road DVR check-out consoles.
Fig. 1 and Tu2Zhong tetra-road DVR power amplifier board needs the power supply supply of power module, need the control signal of master control borad simultaneously, 8 road signals of input are via after the pressure Hall element on DVR power amplifier board, current Hall transducer and display unit, output is the signal that 8 tunnels need boosting or step-down, the lifting error of signal is controlled by the software of control system, 8 tunnels inputs need the signal of pressure regulation to enter four road DVR power amplifier boards after change the signal that 2 tunnels need to carry out maximum power point tracking into.2 tunnels signal to be followed the trail of is followed the tracks of power models by four road MPPT and is become the power supply signal that power output keeps maximum, and carries out sheet choosing by control system to the signal exported and export.
Use procedure of the present utility model is as follows: photovoltaic plant special electric energy optimizing case uses software to be responsible for gathering input voltage, output current, total output voltage of all photovoltaic group strings and the total output current often organizing photovoltaic group string, the voltage of control system power supply own, and record running time; The special electric energy optimizing case of photovoltaic plant realizes automatic Regulation function by increasing apparatus simultaneously.Hardware circuit of the present utility model detects the voltage on each road, when detect often go here and there the voltage of assembly be reduced to outside normal range (NR) time, automatic startup regulating circuit, is adjusted to the acceptable operating voltage range of inverter output voltage, realizes the output of normal voltage.Each road increases DC converter and realizes MPPT maximum power point tracking technology, and the power output of each photovoltaic group is maximized; Each optimizes the metering device that case increases electric current and voltage, shows electricity in real time; Conversed by the carrying out between the special electric energy optimizing case of the multiple photovoltaic plant of software supervision, coordinate the action of the special electric energy optimizing case of multiple photovoltaic plant.
The technical scheme described in above-mentioned embodiment of the present utility model is just in order to understand know-why of the present utility model better; and with the technical scheme itself being confined to embodiment and describing; the all right cross-utilization mutually of technical scheme of embodiment; also good effect can be realized; explanation is not enumerated, all within the protection range of the utility model requirement at this.Can be known by technology contents of the present utility model, the utility model relates to energy source optimization technology, industrial intelligent technology and software engineering, equipment is applied in a kind of equipment between photovoltaic module and inverter, can widen the scope of confluxing of voltage, thus improves the generating efficiency of photovoltaic generating system.
Claims (6)
1. the special electric energy optimizing case of photo-voltaic power generation station, comprise the collector-shoe gear between photovoltaic module and inverter, it is characterized in that: also comprise the power-supply system, automatic boosting system, electric quantity measuring system, maximum power point tracking system and the master control borad that connect successively, described power-supply system comprises the power panel exporting 24V direct current, and power-supply system is connected with the power end of master control borad with automatic boosting system, electric quantity measuring system, maximum power point tracking system respectively; Automatic boosting system comprises the power amplifier board with voltage regulation function, electric quantity measuring system comprises voltage hall sensor, current Hall transducer and display unit, maximum power point tracking system comprises DC converter, maximum power point tracking system comprises DC converter, and maximum power point tracking system selects chip to be connected with master control borad by sheet.
2. the special electric energy optimizing case of photo-voltaic power generation station according to claim 1, it is characterized in that: described master control borad connects at least one group of power-supply system, at least one group of corresponding automatic boosting system, at least one group of electric quantity measuring system and at least one group of maximum power point tracking system.
3. the special electric energy optimizing case of photo-voltaic power generation station according to claim 1, is characterized in that: described master control borad selects a chip to be connected with maximum power point tracking system by four.
4. the special electric energy optimizing case of photo-voltaic power generation station according to claim 1, is characterized in that: described automatic boosting system adopts four road DVR power amplifier boards.
5. the special electric energy optimizing case of photo-voltaic power generation station according to claim 1, is characterized in that: described maximum power point tracking system adopts four road MPPT to follow the tracks of power model.
6. the special electric energy optimizing case of photo-voltaic power generation station according to claim 1, is characterized in that: described electric quantity measuring system adopts four road DVR check-out consoles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520236577.2U CN204615688U (en) | 2015-04-17 | 2015-04-17 | The special electric energy optimizing case of photo-voltaic power generation station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520236577.2U CN204615688U (en) | 2015-04-17 | 2015-04-17 | The special electric energy optimizing case of photo-voltaic power generation station |
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| CN204615688U true CN204615688U (en) | 2015-09-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821735A (en) * | 2015-04-17 | 2015-08-05 | 青岛艾迪森科技有限公司 | Special electric energy optimizing box for photovoltaic power station |
| CN106383465A (en) * | 2016-09-20 | 2017-02-08 | 青岛时创智能技术有限公司 | Program control voltage regulation circuit capable of replacing manual voltage regulation through rotary knob |
-
2015
- 2015-04-17 CN CN201520236577.2U patent/CN204615688U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104821735A (en) * | 2015-04-17 | 2015-08-05 | 青岛艾迪森科技有限公司 | Special electric energy optimizing box for photovoltaic power station |
| CN104821735B (en) * | 2015-04-17 | 2018-11-02 | 青岛艾迪森科技股份有限公司 | The special electric energy optimizing case of photo-voltaic power generation station |
| CN106383465A (en) * | 2016-09-20 | 2017-02-08 | 青岛时创智能技术有限公司 | Program control voltage regulation circuit capable of replacing manual voltage regulation through rotary knob |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Chengyang District of Shandong city in Qingdao province 266106 Xifu Fu Jia Bu community 100 Road No. 89 Patentee after: QINGDAO LDC TECHNOLOGY INC. Address before: Chengyang District of Shandong city in Qingdao province 266106 Xifu Fu Jia Bu community 100 Road No. 89 Patentee before: LDC Technology Inc. |
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| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 266600, Qingdao, Shandong City, Laixi City, Jiang Zhen, North Ring Road, Qingdao precision machinery manufacturing small industrial park Patentee after: QINGDAO LDC TECHNOLOGY INC. Address before: Chengyang District of Shandong city in Qingdao province 266106 Xifu Fu Jia Bu community 100 Road No. 89 Patentee before: QINGDAO LDC TECHNOLOGY INC. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Special electric energy optimizing box for photovoltaic power station Effective date of registration: 20200430 Granted publication date: 20150902 Pledgee: Qingdao Changyang financing Company limited by guarantee Pledgor: QINGDAO LDC TECHNOLOGY Co.,Ltd. Registration number: Y2020370010013 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210310 Granted publication date: 20150902 Pledgee: Qingdao Changyang financing Company limited by guarantee Pledgor: QINGDAO LDC TECHNOLOGY Co.,Ltd. Registration number: Y2020370010013 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |