CN202076287U - Wiring box used in solar battery system - Google Patents
Wiring box used in solar battery system Download PDFInfo
- Publication number
- CN202076287U CN202076287U CN2011201520113U CN201120152011U CN202076287U CN 202076287 U CN202076287 U CN 202076287U CN 2011201520113 U CN2011201520113 U CN 2011201520113U CN 201120152011 U CN201120152011 U CN 201120152011U CN 202076287 U CN202076287 U CN 202076287U
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- CN
- China
- Prior art keywords
- heat
- diode
- conducting block
- metal connecting
- base
- 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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- 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 wiring box used in a solar battery system, comprising a pedestal and an upper cover. At least two wiring devices are arranged in the pedestal, one ends of the wiring devices are connected with solar battery assembly bus bars, and the other ends are connected with photovoltaic cables. The adjacent two wiring devices are in electrical connections via a diode, a heat-conducting block attached to the outer surface of the under side of the diode is arranged below the diode, the two sides of the heat-conducting block are attached to the two side surfaces of the wiring devices respectively, and an insulating board is arranged below the wiring devices and the heat-conducting block in the pedestal. In the utility model, by employing a mode of attaching the outer surface of the lower side of the diode to the heat-conducting block and attaching the two sides of the heat-conducting block to the two side surfaces of metal connecting parts of the wiring devices, the heat generated by the diode can be transferred to a cable leading to the outside of the box via the metal connecting parts rapidly, thereby improving the overall heat dissipation effect of the wiring box better, guaranteeing the working stability of the diode, prolonging the service life of the wiring box, and reducing the maintenance frequency of the solar assembly.
Description
Technical field
The utility model relates to the solar module technical field, the used terminal box of especially a kind of solar cell system.
Background technology
At present, the loam cake of the used terminal box of solar power system and the material of base generally use engineering plastics on the market, conducting terminal directly contacts with plastic feet in the box, the following defective of ubiquity: at first, terminal box in working order down, the diode of enclosure interior can produce a large amount of heat energy, heat is directly passed to metal terminal by the diode pin on the one hand, cause metal terminal to heat up rapidly and then melt peripheral plastics and cause housing distortion, air causes air themperature rising in the box in the heat transferred box on the other hand, but owing to diode in the box is a temperature peak in the box for left and right sides series arrangement cause the middle heat of assembling to be difficult to distribute to cause the middle part, this also causes blowing or reverse breakdown of intermediate diode easily, reduce the generating efficiency of solar components, shorten the working life of diode, correspondingly also increased the frequency of maintenance of assembly.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, a kind of solar cell system terminal box is provided, to improve the heat dispersion of terminal box integral body, prolong the useful life of terminal box.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of solar cell system terminal box, comprise base and the loam cake that is fastened on the base, at least be provided with two terminations in the base, termination one end connects the solar module busbar, the other end connects photovoltaic cable, electrically connect by diode between adjacent two terminations, described diode below be provided with diode under the heat-conducting block that fits of side external surface, the heat-conducting block both sides fit with the termination both side surface respectively, and the below that is positioned at termination and heat-conducting block in the base is provided with thermal insulation board.
Specifically, described termination comprises metal connecting piece, is positioned at the folding spring of busbar access place and the stage clip that is positioned at diode pin place, roll over spring and metal connecting piece Elastic Contact and compress busbar, the socket that the pin of diode forms by stage clip and metal connecting piece realizes that plug-in type is connected, and the heat-conducting block both sides fit with the metal connecting piece both side surface respectively.
For improving the terminal box radiating effect, described loam cake adopts heat dispersion and the superior plastic production of heat resistance to form, and some heat radiation ribs at interval have been equally spaced on last exterior surface.
Sealing when using for improving terminal box, described base upper periphery is provided with sealed groove, is provided with sealing ring in the sealed groove, passes through the fastener member fastening after loam cake is placed on the base.
The beneficial effects of the utility model are: side external surface and heat-conducting block fit under the utility model employing diode, the mode that the metal connecting piece both side surface of heat-conducting block both sides and termination fits, make heat that diode produces pass to cable outside box fast by metal connecting piece, combine with normally used radiating mode, improved the integral heat sink effect of terminal box better, the stability and the useful life of diode have been guaranteed, simultaneously thermal insulation board is set at heat-conducting block and termination bottom, prevent that heat butted line box base from producing thermal deformation, thereby prolonged the useful life of terminal box, reduced the frequency of maintenance of solar components.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the sectional structure schematic diagram of A-A among Fig. 1.
1. bases, 11. sealed grooves, 2. loam cakes, 21. heat radiation ribs, 3. terminations, 31. metal connecting pieces, 32. folding springs, 33. stage clips, 4. photovoltaic cables, 5. diodes, 6. heat-conducting blocks, 7. thermal insulation boards, 8. sealing rings, 9. fastener members among the figure
Embodiment
In conjunction with the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of solar cell system terminal box as shown in Figure 1 and Figure 2, comprise base 1 and the loam cake 2 that is fastened on the base 1, described base 1 upper periphery is provided with sealed groove 11, be provided with sealing ring 8 in the sealed groove 11, after being placed on the base 1, passes through loam cake 2 fastener member 9 fastenings, keep sealing state by compressing sealing ring 8, the sealing when improving the terminal box use.At least be provided with four terminations 3 in the base 1,3 of adjacent two terminations pass through diode 5 and electrically connect, described termination 3 one ends connect the solar module busbar, the other end connects photovoltaic cable 4, specifically, described termination 3 comprises metal connecting piece 31, the stage clip 33 that is positioned at the folding spring 32 of solar module busbar access place and is positioned at diode 5 pin places, metal connecting piece 31 has the upwards perpendicular of bending, the end of perpendicular has the circular arc bending, one side of perpendicular and folding spring 32 plane contact, busbar can place the plane contact that realizes between metal connecting piece 31 and the folding spring 32 with metal connecting piece 31, and by the elastic force of folding spring 2 self busbar is compressed, the pin of diode 5 is connected by the socket realization plug-in type that stage clip 33 and metal connecting piece 31 form.
Described diode 5 belows are provided with the heat-conducting block 6 that fits with 5 times side external surfaces of diode, and heat-conducting block 6 both sides fit with metal connecting piece 31 both side surface of termination 3 respectively, and the below that is positioned at termination 3 and heat-conducting block 6 in the base 1 is provided with thermal insulation board 7.
The mounting means of diode 5 adopts plug-in, so not only convenient installation but also for convenience detach.Diode 5 bodies are installed the heat-conducting block 6 of compressing below, back, help the conduction of its heat.
For improving terminal box integral heat sink effect, described loam cake 2 adopts heat dispersion and the superior plastic production of heat resistance to form, loam cake 2 outer surfaces are provided with some heat radiation ribs 21, and heat radiation rib 21 is the evagination circular shape, is equally distributed on the outer surface of loam cake 2 at interval.
The utility model is by being provided with heat-conducting block 6 at 5 times side external surfaces of diode, heat-conducting block 6 and diode 5 downside intimate are fitted, simultaneously heat-conducting block 6 both sides fit with metal connecting piece 31 both side surface of termination 3 again, the heat that produces of diode 5 can pass to cable outside box fast by metal connecting piece 31 like this, add with normally used radiating mode and combine, can improve the integral heat sink effect of terminal box better, guarantee the job stability and the useful life of diode 5, at heat-conducting block 6 and termination 3 bottoms thermal insulation board 7 is set in addition, prevent that heat butted line box base 1 from producing thermal deformation, thereby prolonged the useful life of terminal box, reduced the frequency of maintenance of solar components.
Above-mentioned execution mode only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection range of the present utility model.
Claims (4)
1. solar cell system terminal box, comprise base (1) and be fastened on loam cake (2) on the base (1), at least be provided with two terminations (3) in the base (1), termination (3) one ends connect the solar module busbar, the other end connects photovoltaic cable (4), electrically connect by diode (5) between adjacent two terminations (3), it is characterized in that: described diode (5) below is provided with the heat-conducting block (6) that fits with the following side external surface of diode (5), heat-conducting block (6) both sides fit with termination (3) both side surface respectively, and the below that is positioned at termination (3) and heat-conducting block (6) in the base (1) is provided with thermal insulation board (7).
2. solar cell system terminal box according to claim 1, it is characterized in that: the stage clip (33) that described termination (3) comprises metal connecting piece (31), is positioned at the folding spring (32) of busbar access place and is positioned at diode (5) pin place, folding spring (32) compresses busbar with metal connecting piece (31) Elastic Contact, the socket that the pin of diode (5) forms by stage clip (33) and metal connecting piece (31) realizes that plug-in type is connected, and heat-conducting block (6) both sides fit with metal connecting piece (31) both side surface respectively.
3. solar cell system terminal box according to claim 1, it is characterized in that: described loam cake (2) adopts heat dispersion and the superior plastic production of heat resistance to form, and some heat radiation ribs (21) at interval have been equally spaced on loam cake (2) outer surface.
4. solar cell system terminal box according to claim 1, it is characterized in that: described base (1) upper periphery is provided with sealed groove (11), be provided with sealing ring (8) in the sealed groove (11), loam cake (2) is placed on base (1) and goes up the back by fastener member (9) fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201520113U CN202076287U (en) | 2011-05-13 | 2011-05-13 | Wiring box used in solar battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201520113U CN202076287U (en) | 2011-05-13 | 2011-05-13 | Wiring box used in solar battery system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202076287U true CN202076287U (en) | 2011-12-14 |
Family
ID=45114376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201520113U Expired - Fee Related CN202076287U (en) | 2011-05-13 | 2011-05-13 | Wiring box used in solar battery system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202076287U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059488A (en) * | 2016-08-16 | 2016-10-26 | 江苏绿扬光伏科技有限公司 | High-strength quick-heat-dissipation junction box |
| CN106301206A (en) * | 2016-08-16 | 2017-01-04 | 江苏绿扬光伏科技有限公司 | High buffering Anti-seismic rosette |
| CN107322927A (en) * | 2017-08-22 | 2017-11-07 | 瑞安市麦田网络科技有限公司 | A kind of photocuring 3D printer |
-
2011
- 2011-05-13 CN CN2011201520113U patent/CN202076287U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059488A (en) * | 2016-08-16 | 2016-10-26 | 江苏绿扬光伏科技有限公司 | High-strength quick-heat-dissipation junction box |
| CN106301206A (en) * | 2016-08-16 | 2017-01-04 | 江苏绿扬光伏科技有限公司 | High buffering Anti-seismic rosette |
| CN107322927A (en) * | 2017-08-22 | 2017-11-07 | 瑞安市麦田网络科技有限公司 | A kind of photocuring 3D printer |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111214 Termination date: 20190513 |