CN202004017U - Junction box for solar photovoltaic power generation assembly - Google Patents
Junction box for solar photovoltaic power generation assembly Download PDFInfo
- Publication number
- CN202004017U CN202004017U CN2010205964496U CN201020596449U CN202004017U CN 202004017 U CN202004017 U CN 202004017U CN 2010205964496 U CN2010205964496 U CN 2010205964496U CN 201020596449 U CN201020596449 U CN 201020596449U CN 202004017 U CN202004017 U CN 202004017U
- Authority
- CN
- China
- Prior art keywords
- box
- radiator
- solar photovoltaic
- conductive connecting
- electrification component
- 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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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/0001—Technical content checked by a classifier
- H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
-
- 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 discloses a junction box for a solar photovoltaic power generation assembly, which comprises a bottom box. A protecting cover is matched on the bottom box. A radiator, a conductive connecting sheet and bypass diodes connected with the conductive connecting sheet are arranged in the bottom box. The radiator consists of three independent radiating bodies. The radiating bodies are made of heat conduction metallic aluminium or metallic copper. The bypass diodes are respectively positioned on the corresponding radiating bodies. In the utility model, the radiator is divided into three independent radiating bodies, so that a creepage current is greatly avoided, heat of the bypass diodes is furthest taken away by the corresponding radiating bodies, working temperatures of the bypass diodes are controlled in the range of a safe working temperature, and a solar photovoltaic power generation crystal silicon plate is ensured to work safely.
Description
Technical field
The utility model relates to a kind of Wiring box for solar photovoltaic electrification component.
Background technology
Wiring box for solar photovoltaic electrification component is applied to solar photovoltaic generation system, is the Overbridge device that solar energy power generating crystal silicon plate lead-in wire is connected with external lead wire, and the bypass power diode is equipped with in inside.It is idle that common diode moves under the normal state at photovoltaic, only diode just works under hot spot effect (conduction effect), the original positive pole of diode has become negative pole, negative pole has become positive pole, if the diode heating is too high, the diode of working is year in year out understood variation and is caused open circuit under the condition of high temperature, finally influence the trouble free service of solar energy power generating crystal silicon plate, even damages expensive solar energy PV assembly.
In the prior art, the terminal box of solar photovoltaic electrification component comprises end box, is combined with protective cover on the end box, and conductive connecting piece and bypass diode are installed in the end box.Wherein, conductive connecting piece is generally directly installed in the end box by screw, and bypass diode also is to be fixed in the end box by insulating material, therefore installs and change all very trouble, and cost is also than higher.
Summary of the invention
The utility model purpose is: a kind of Wiring box for solar photovoltaic electrification component is provided, wherein radiator is divided into three independently radiators, each radiator connects a bypass diode respectively, avoided the climbing electric current greatly, and make the heat of each bypass diode take away heat to greatest extent by corresponding radiator, the working temperature of bypass diode is controlled in the safe working temperature, simultaneously the utility model is an encapsulating terminal box not, save the cost of PV assembly producer encapsulating, made things convenient for their installation.
The technical solution of the utility model is: a kind of Wiring box for solar photovoltaic electrification component, comprise end box, be combined with protective cover on the end box, the bypass diode that radiator, conductive connecting piece is installed in the end box and is connected with conductive connecting piece, the link of described conductive connecting piece is connected with bypass diode, described radiator is made of three separate radiators, and radiator is made with heat-conducting metal aluminium or metallic copper etc.; Described bypass diode lays respectively on the corresponding radiator;
The input of described conductive connecting piece and output are connected with cable respectively, and end box is provided with the through wires hole that current supply cable passes through;
Sealing means between cable and the terminal box can have a variety of, and as at the through wires hole place water joint being set, cable passes water joint and stretches out end box; The water proof rubber sealing ring is set respectively between cable and through wires hole; Around end box and protective cover mating surface by epoxy sealing etc.;
Above-mentioned conductive connecting piece is a copper tip.
The utility model advantage is:
1. be encapsulating terminal box not in the utility model, saved the cost of PV assembly producer encapsulating, made things convenient for their installation, make product integrated, safe and reliable, stability is good.
2. the utility model is divided into three separate radiators with radiator, the respectively corresponding bypass diode of each radiator, avoided the climbing electric current greatly, and make the heat of bypass diode take away heat to greatest extent by radiator, the working temperature of bypass diode is controlled in the safe working temperature, has guaranteed the trouble free service of solar energy power generating crystal silicon plate.
3. the utility model good performance of heat dissipation makes it can bear higher operating current, for big-power solar assembly engineering provides supporting terminal box.
4. the utility model is simple in structure, and is easy for installation, and the maintain and replace parts are convenient, long service life, and have excellent sealing performance and anti-shake performance.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is this photovoltaic junction box vertical view;
Fig. 2 is this photovoltaic junction box protective cover;
Fig. 3 is this photovoltaic junction box front view;
Fig. 4 is this photovoltaic junction box end view.
Wherein: 1 end box; 2 protective covers; 3 conductive connecting pieces; 4 bypass diodes; 5 radiators; 6 inputs; 7 outputs; 8 cables; 9 through wires holes.
Embodiment
Embodiment: as shown in Figures 1 to 4, a kind of Wiring box for solar photovoltaic electrification component, comprise end box 1, be combined with protective cover 2 on the end box 1, the bypass diode 4 that radiator 5, conductive connecting piece 3 is installed in the end box 1 and is connected with conductive connecting piece 3, the link of described conductive connecting piece 3 is connected with bypass diode 4, and described radiator 5 is made of three separate radiators, and radiator is made with heat-conducting metal aluminium or metallic copper etc.; Described bypass diode 4 lays respectively on the corresponding radiator.
The input 6 and the output 7 of described conductive connecting piece 3 are connected with cable 8 respectively, and end box 1 is provided with the through wires hole 9 that current supply cable 8 passes through.
Sealing means between cable 8 and the terminal box adds the nut sealing for the cable claw.
Above-mentioned conductive connecting piece 3 is a copper tip.
In the utility model radiator 5 is divided into independently three radiators, three bypass diodes 4 lay respectively on the corresponding radiator, have avoided the climbing electric current greatly, and are safe and reliable; Make the heat of bypass diode 4 take away heat to greatest extent, the working temperature of bypass diode 4 is controlled in the safe working temperature, guaranteed the trouble free service of solar energy power generating crystal silicon plate by corresponding radiator.
Below only be concrete exemplary applications of the present utility model, protection range of the present utility model is not constituted any limitation.In addition to the implementation, the utility model can also have other execution mode.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop within the utility model scope required for protection.
Claims (6)
1. Wiring box for solar photovoltaic electrification component, comprise end box (1), be combined with protective cover (2) on the end box (1), the bypass diode (4) that radiator (5), conductive connecting piece (3) is installed in the end box (1) and is connected with conductive connecting piece (3), it is characterized in that: the link of described conductive connecting piece (3) is connected with bypass diode (4), and bypass diode (4) is positioned on the radiator (5).
2. Wiring box for solar photovoltaic electrification component according to claim 1 is characterized in that: described radiator (5) is made of three separate radiators, and radiator is made with heat-conducting metal aluminium or metallic copper etc.; Bypass diode (4) lays respectively on the corresponding radiator.
3. Wiring box for solar photovoltaic electrification component according to claim 1, it is characterized in that: the input (6) and the output (7) of described conductive connecting piece (3) are connected with cable (8) respectively, and end box (1) is provided with the through wires hole (9) that current supply cable (8) passes through.
4. Wiring box for solar photovoltaic electrification component according to claim 3 is characterized in that: described through wires hole (9) locates to be provided with water joint, and cable (8) passes water joint and stretches out end box (1).
5. Wiring box for solar photovoltaic electrification component according to claim 3 is characterized in that: be respectively equipped with the water proof rubber sealing ring between described cable (8) and the through wires hole (9).
6. Wiring box for solar photovoltaic electrification component according to claim 3 is characterized in that: seal by epoxy resin and assembly backboard around at the bottom of the box of box of the described end (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205964496U CN202004017U (en) | 2010-11-04 | 2010-11-04 | Junction box for solar photovoltaic power generation assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205964496U CN202004017U (en) | 2010-11-04 | 2010-11-04 | Junction box for solar photovoltaic power generation assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004017U true CN202004017U (en) | 2011-10-05 |
Family
ID=44706744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205964496U Expired - Fee Related CN202004017U (en) | 2010-11-04 | 2010-11-04 | Junction box for solar photovoltaic power generation assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202004017U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944504A (en) * | 2014-04-25 | 2014-07-23 | 江苏九鼎光伏系统有限公司 | Plug-in photovoltaic battery pack junction box and wiring and installing method thereof |
| CN104184405A (en) * | 2014-08-07 | 2014-12-03 | 英利能源（中国）有限公司 | Photovoltaic assembly output connecting apparatus |
-
2010
- 2010-11-04 CN CN2010205964496U patent/CN202004017U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103944504A (en) * | 2014-04-25 | 2014-07-23 | 江苏九鼎光伏系统有限公司 | Plug-in photovoltaic battery pack junction box and wiring and installing method thereof |
| CN104184405A (en) * | 2014-08-07 | 2014-12-03 | 英利能源（中国）有限公司 | Photovoltaic assembly output connecting apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111005 Termination date: 20131104 |