CN205566211U - Photovoltaic power generation efficiency management intelligent optimization ware - Google Patents
Photovoltaic power generation efficiency management intelligent optimization ware Download PDFInfo
- Publication number
- CN205566211U CN205566211U CN201620040383.XU CN201620040383U CN205566211U CN 205566211 U CN205566211 U CN 205566211U CN 201620040383 U CN201620040383 U CN 201620040383U CN 205566211 U CN205566211 U CN 205566211U
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- Prior art keywords
- control circuit
- photovoltaic
- efficiency management
- management intelligent
- bonding pad
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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
Abstract
The utility model provides a photovoltaic power generation efficiency management intelligent optimization ware, it includes box body, control circuit board, lid and cable conductor, control circuit board sets up in the box body, and control circuit board is last including MPPT control module, subassembly disconnection / repetition linked switch control module, solar battery subassembly busbar joining region and electric cable connect district. Solar battery subassembly busbar be direct with busbar joining region welded connection is provided with the MOS pipe as the bypass component between the adjacent busbar joining region. The utility model discloses a photovoltaic power generation efficiency management intelligent optimization ware through carry out the optimization that MPPT control realization generating efficiency advances to every photovoltaic module, has improved the generated energy of system, need not the automatic integrality that realizes photovoltaic module's disconnect reconnection and keep photovoltaic module cluster intelligent management system under the condition of outside communication, the photovoltaic terminal box that has integrateed bypass function adopts MOSFET as the bypass component, and the reliability is higher, the temperature rise low and the loss is littleer.
Description
Technical field
This utility model relates to solar-photovoltaic technology field, particularly to a kind of photovoltaic efficiency management function optimizer.
Background technology
Increasingly serious along with Global climate change and problem of environmental pollution, green regenerative energy sources industry last decade is developed rapidly.Solar energy is a kind of Renewable resource, and the solar cell technology utilizing photovoltaic effect to carry out generating electricity enjoys common people to pay close attention to.Solar cell is to be made up of the material that can produce photovoltaic effect, the such as materials such as silicon, GaAs, indium selenium copper, luminous energy can be changed into electric energy.At present, the photovoltaic module of multi-disc solar cell combination it is widely used for building various photovoltaic generating system, or for building up energy saving and environment friendly building as constructure screen wall.
Battery component connection in series-parallel that photovoltaic generating system is made up of multiple battery components and the assembly array that formed, each battery component includes multiple cell pieces of series connection.In a photovoltaic system, the parameter of each solar module is the most incomplete same, the solar radiation condition being subject to also can be different, such as, local shades that dirty, a variety of causes in various degree of assembly surface causes, assembly towards etc., these can cause the actual power generation of each solar module in photovoltaic system to differ, that is, the real output of each solar module string of parallel connection is discrepant with theoretic peak power output.The actual power generation of photovoltaic system and system effectiveness have the most direct relation, in theory, the generating efficiency of photovoltaic system is typically about 80%, and according to actual statistical data, even if in the preferable west area of light radiation condition, the average system efficiency of photovoltaic system is only 74%.
In order to solve this problem, the most most widely used is use MPPT maximum power point tracking (MPPT) circuit in photovoltaic generating system.Common MPPT control circuit and inverter are integrally mounted in inverter cabinet, are adjusted or connect a MPPT control circuit for each battery component series winding in system being adjusted the output of each battery component string to the output of whole photovoltaic system by MPPT control circuit；In former mode, as long as there are differences between the output of each component string, will interact between group string, output voltage will be limited in one relatively low numerically (wooden pail effect), causing the loss of energy, the difference of group string is the biggest, and this energy loss is the biggest；It addition, the diversity between serious group string can cause local hot spot, affect the global reliability of system；And in latter approach, MPPT control circuit is also only capable of each component string of pin and carries out peak power output adjustment, it is impossible to the real output optimizing each assembly.
It addition, in actual use, the electric energy that each photovoltaic module is required for using photovoltaic component terminal box to be produced by photovoltaic module is drawn the load with outside or is connected formation component string with other photovoltaic module.Therefore, photovoltaic component terminal box is the critical component that photovoltaic module builds various electricity generation systems.Typically to use the Schottky bypass diode of protection assembly in rosette, diode is a heater members, and loss is big, and reliability is not especially good, affects the service life of rosette.
Additionally, in existing photovoltaic system, also to consider emphatically the safety of system, avoid causing fire owing to an other assembly individual in photovoltaic system goes wrong, it is usually at present and monitoring system is set in the header box of photovoltaic generating system, the output of whole photovoltaic generating system being closed when a fire avoids loss to expand, and so, whole electricity generation system all can quit work；Same to closing when volt system is safeguarded, it is necessary to whole system to be quit work and safeguards.So can cause again the waste of system.
Utility model content
Problem in using for current photovoltaic generating system, the utility model proposes a kind of photovoltaic efficiency management function optimizer, it can arrange a MPPT control circuit for each solar module, and it is designed as one, by being the generating efficiency reaching to promote whole photovoltaic system to the optimization of the generated output of each assembly with rosette；It addition, it automatically can be isolated from component string by it when some the assembly generation problem in battery component string.
For reaching the purpose of this utility model, a kind of photovoltaic efficiency management intelligent optimizer of the present utility model includes box body, control circuit plate, lid and cable, described control circuit plate is arranged in box body, and control circuit plate includes MPPT control module, multiple solar cell component bus bar bonding pad and cable bonding pad.
Preferably, described control circuit plate also includes that assembly disconnects/repeat connecting valve control module.
Further preferably, described assembly disconnects/repeats connecting valve control module and includes two power field effect transistors, and in connection status, two transistors concur the high side as synchronous buck converter and low side switch；In off working state, a transistor is opened, and is broken from panel group string by photovoltaic panel, and another transistor closes.
Further preferably, solar cell component bus bar is that the solar cell component bus bar bonding pad on direct or indirect and described control circuit plate is welded to connect.
Further preferably, the metal-oxide-semiconductor element as bypass elements or Schottky diode it are provided with between described adjacent solar cell component bus bar bonding pad.
Further preferably, described box also includes multiple copper plate electrode in playing, and solar cell component bus bar is to be connected with described copper plate electrode, and described copper plate electrode is connected with described solar cell component bus bar bonding pad；It is provided with the Schottky diode as bypass elements or metal-oxide-semiconductor element between described adjacent copper plate electrode or adjacent solar cell component bus bar bonding pad.
Further preferably, described cable is by welding with the cable bonding pad on circuit board, crimps or be attached by the way of screw locking.
Further preferably, described control circuit plate is provided with monitor component module connection ports.
Further preferably, it is provided with sealing ring between described box body and lid.
Further preferably, described cable, by connecting back cover and being screwed on box body, is provided with plug and interior pawl in back cover.
Further preferably, the snap-in structure for control circuit plate location it is provided with in described box body.
Further preferably, in described box body, it is provided with ventilating structure, in it, is provided with ventilative plug and ventilated membrane.
The beneficial effects of the utility model are, described photovoltaic efficiency management intelligent optimizer, by each photovoltaic module carries out the optimization that MPPT control realization generating efficiency is entered, improve the generated energy of system；The integrity disconnecting/reconnect and keep photovoltaic module string intelligent management system of photovoltaic module it is automatically obtained in the case of without external communication；Being integrated with photovoltaic junction box bypass functionality and use MOSFET as bypass elements, reliability is higher, temperature rise is low and loss is less.
Accompanying drawing explanation
By detailed description below in conjunction with the accompanying drawings, the aforesaid objects, features and advantages with other of this utility model will become clear from.Wherein:
Fig. 1 show the composition structural blast schematic diagram of the photovoltaic efficiency management intelligent optimizer of an embodiment of the present utility model；
Fig. 2 show the layout structure schematic diagram of the control circuit plate of the photovoltaic efficiency management intelligent optimizer of an embodiment of the present utility model；
Fig. 3 show the circuit function module schematic diagram of the control circuit plate of the photovoltaic efficiency management intelligent optimizer of an embodiment of the present utility model；
Fig. 4 show the box body of the photovoltaic efficiency management intelligent optimizer of an embodiment of the present utility model and the package assembly schematic diagram of control circuit plate；
The composition structural representation of the ventilating structure that Fig. 5 show in Fig. 4.
Detailed description of the invention
It is as follows that architectural feature of the present utility model, operation principle and advantage combine detailed description.
The structural representation of of the present utility model a kind of photovoltaic efficiency management intelligent optimizer as shown in Figures 1 and 2, it includes box body 20, control circuit plate 30, lid 10 and cable 40, described control circuit plate 30 is arranged in box body, and it includes MPPT control module 34, solar cell component bus bar bonding pad 32 and cable bonding pad 36.
The circuit comprising modules schematic diagram of photovoltaic efficiency of the present utility model management intelligent optimizer as shown in Figure 3, it includes that driving transistor and the chip and the assembly that carry out MPPT control management disconnect/repeat connecting valve control module, described assembly disconnects/repeats connecting valve control module and includes two power field effect transistors (power MOSFET) Q1 and Q2, and it provides dual-use function according to the duty of optimizer.In connection status, now electric power conversion is carrying out and MPPT control module is currently running, and two transistors concur the high side as synchronous buck converter and low side switch；In off working state, during such as certain assembly generation problem, transistor Q1 opens, and is broken from component string by photovoltaic module, and transistor Q2 Guan Bi, walk around this photovoltaic module with low-down pressure drop by this low on-resistance transistor.
In another preferred embodiment, as shown in Figure 3, it is additionally provided with monitor component module connection ports on described control circuit plate, extra monitoring module can be connected for user, the electric current of every block assembly, voltage, temperature can be monitored, again by wire radio technical transmission to background terminal, it is simple to power station owner be managed power station.
In such as a preferred photovoltaic efficiency management intelligent optimizer of Fig. 1, solar cell component bus bar is that direct and described busbar bonding pad 32 is welded to connect, now, being provided with bypass elements between described adjacent busbar bonding pad, it can be Schottky diode or preferably use low-power consumption Metal-Oxide Semiconductor field-effect transistor (metal-oxide-semiconductor) as bypass elements.
Should be understood that, in another embodiment, may also include copper plate electrode (not shown) in the box body of described optimizer, solar cell component bus bar is to be connected with described copper plate electrode, and described copper plate electrode is connected with described busbar bonding pad again.In this solar cell component bus bar indirect connection structure with busbar bonding pad, Schottky diode or the metal-oxide-semiconductor of bypass elements or can be provided as between adjacent copper plate electrode between adjacent busbar bonding pad.
In a particular embodiment, described cable and the cable bonding pad on control circuit plate are by welding, crimps or screw locks and is electrically connected by the way of (preferred embodiment as shown in Figure 1, cable 40 is to fix terminal 341 and electrically connect with the realization of cable bonding pad by being welded on the screw of cable bonding pad).Cable connects back cover 244 to be fixed with the screw thread 241 on box body, is provided with plug 242 and interior pawl 243, so, it is ensured that the sealing that cable connects in back cover；Between described box body and lid, it is provided with sealing ring 12 ensures the sealing property of whole optimizer.Being arranged by these, the classification of waterproof (IP grade) of optimizer can be made to reach the outdoor water-proof grade of IP67, reliability is high.
In another preferred embodiment, in order to help the heat in optimizer to shed, improve the life-span of product, ventilating structure 22 (seeing Fig. 4 and Fig. 5) it is provided with in described box body, ventilative plug 221 and ventilated membrane 222 it is provided with in it, described ventilated membrane only allows the steam in box body outwards to shed, and the aqueous vapor outside optimizer can not enter in box body through this ventilated membrane.
Referring next to Fig. 4, in described box body, be provided with the snap-in structure 201,202,203 and 204 for control circuit plate location, so, control circuit plate also allow for dismounting when being fairly simple to mount and keep in repair.
Photovoltaic efficiency of the present utility model management intelligent optimizer, by each photovoltaic module being carried out the optimization that MPPT control realization generating efficiency is entered, the generated energy of system can be improved 5%～25%, the generation loss caused due to mispairing, shade, dirty, thermograde, the reason such as aging is compensated；Avoid under maintenance, emergency (such as fire) or isolated island situation install, photovoltaic group string disconnect during photovoltaic group string produce high pressure, in the case of without external communication, be automatically obtained the integrity disconnecting/reconnect and keep photovoltaic group string intelligent management system of photovoltaic module；Built-in intelligent photovoltaic component monitoring, is integrated with conventional photovoltaic assembly junction box bypass functionality and uses the metal-oxide-semiconductor (Metal-Oxide Semiconductor field-effect transistor) of low-power consumption as bypass elements, and reliability is higher, temperature rise is low and loss is less.
This utility model is not limited to described embodiment, and those skilled in the art, in the range of i.e. open without departing from spirit of the present utility model, still can make some and revises or change, therefore rights protection scope of the present utility model limits in the range of standard with claims.
Claims (10)
1. a photovoltaic efficiency management intelligent optimizer, it is characterized in that, described optimizer includes box body, control circuit plate, lid and cable, described control circuit plate is arranged in box body, and control circuit plate includes MPPT control module, multiple solar cell component bus bar bonding pad and cable bonding pad.
2. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1, it is characterised in that described control circuit plate also includes that assembly disconnects/repeat connecting valve control module.
3. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 2, it is characterized in that, described assembly disconnects/repeats connecting valve control module and includes two power field effect transistors, in connection status, two transistors concur the high side as synchronous buck converter and low side switch；In off working state, a transistor is opened, and is broken from panel group string by photovoltaic panel, and another transistor closes.
4. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1 or 2, it is characterised in that solar cell component bus bar is that the solar cell component bus bar bonding pad on direct or indirect and described control circuit plate is welded to connect.
5. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 4, it is characterised in that be provided with the metal-oxide-semiconductor element as bypass elements or Schottky diode between described adjacent solar cell component bus bar bonding pad.
6. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1 or 2, it is characterized in that, multiple copper plate electrode is also included in described box body, solar cell component bus bar is to be connected with described copper plate electrode, and described copper plate electrode is connected with the solar cell component bus bar bonding pad on described control circuit plate；It is provided with the Schottky diode as bypass elements or metal-oxide-semiconductor element between described adjacent copper plate electrode or adjacent solar cell component bus bar bonding pad.
7. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1 or 2, it is characterised in that described cable is by welding with the cable bonding pad on circuit board, crimps or be attached by the way of screw locking.
8. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1 or 2, it is characterised in that be provided with monitor component module connection ports on described control circuit plate.
9. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1 or 2, it is characterised in that be provided with sealing ring between described box body and lid.
10. a kind of photovoltaic efficiency management intelligent optimizer as claimed in claim 1 or 2, it is characterised in that be provided with the snap-in structure for control circuit plate location in described box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040383.XU CN205566211U (en) | 2016-01-15 | 2016-01-15 | Photovoltaic power generation efficiency management intelligent optimization ware |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620040383.XU CN205566211U (en) | 2016-01-15 | 2016-01-15 | Photovoltaic power generation efficiency management intelligent optimization ware |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205566211U true CN205566211U (en) | 2016-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620040383.XU Withdrawn - After Issue CN205566211U (en) | 2016-01-15 | 2016-01-15 | Photovoltaic power generation efficiency management intelligent optimization ware |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205566211U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515523A (en) * | 2016-01-15 | 2016-04-20 | 苏州快可光伏电子股份有限公司 | Intelligent optimization device for managing photovoltaic power generation efficiency |
| CN106656022A (en) * | 2016-12-06 | 2017-05-10 | 合肥翰桥科技有限公司 | Intelligent solar junction box with display and alarm functions |
-
2016
- 2016-01-15 CN CN201620040383.XU patent/CN205566211U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105515523A (en) * | 2016-01-15 | 2016-04-20 | 苏州快可光伏电子股份有限公司 | Intelligent optimization device for managing photovoltaic power generation efficiency |
| CN105515523B (en) * | 2016-01-15 | 2018-06-08 | 苏州快可光伏电子股份有限公司 | A kind of photovoltaic efficiency manages intelligent optimizer |
| CN106656022A (en) * | 2016-12-06 | 2017-05-10 | 合肥翰桥科技有限公司 | Intelligent solar junction box with display and alarm functions |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160907 Effective date of abandoning: 20180608 |
|
| AV01 | Patent right actively abandoned |