CN205005015U - Solar photovoltaic connecting box - Google Patents
Solar photovoltaic connecting box Download PDFInfo
- Publication number
- CN205005015U CN205005015U CN201520339472.XU CN201520339472U CN205005015U CN 205005015 U CN205005015 U CN 205005015U CN 201520339472 U CN201520339472 U CN 201520339472U CN 205005015 U CN205005015 U CN 205005015U
- Authority
- CN
- China
- Prior art keywords
- radiator
- cavity
- diode modules
- terminal box
- cable
- 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.)
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- 239000004020 conductor Substances 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 25
- 239000010949 copper Substances 0.000 claims description 25
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 24
- 239000000463 material Substances 0.000 claims description 7
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 208000002925 dental caries Diseases 0.000 claims description 2
- 229910001092 metal group alloy Inorganic materials 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar photovoltaic connecting box, including box body (10), box body (10) are including the circuit board cavity body (11), diode module cavity (12), be equipped with between diode module cavity (12) the and gate board cavity body (11) baffle (101), it has diode module (120) to inlay on baffle (101), diode module (120) are connected with radiator (30), radiator (30) are equipped with recess (301), radiator (30) and diode module (120) block, diode module (120) block is in recess (301) of radiator (30). According to above -mentioned technical scheme, the three medial surface of radiator recess contacts with the three face of diode module, so, the produced heat of diode module can conduct a terminal box through its three face with the radiator contact, technical scheme improved the radiating effect of terminal box.
Description
Technical field
The utility model relates to solar photovoltaic assembly technology, in particular to a kind of photovoltaic terminal box.
Background technology
The status of photovoltaic terminal box in solar components is extremely important, and its Main Function is connected with outside line by the electric power that solar cell produces.Along with the development that photovoltaic industry makes rapid progress, increasing sight has turned to it terminal box, goes, can also play effective protective effect simultaneously to solar module because the electric power that solar cell produces can not only be transferred in external circuit by easily.
At present, photovoltaic industry generally uses dispersion diode fabrication terminal box, and be provided with large-area copper conductor in junction box body, diode and copper conductor weld together, and the energy received are derived through cable in terminal box.In actual use, when solar module absorbs solar power generation work, have electric current through diode, diode is made to produce heat, if can not be derived by these heats timely and effectively and scatter and disappear, through long time integration, the temperature of terminal box can be made to raise, if exceed the resistance to extreme temperature of device in terminal box, device and terminal box will be damaged, and then cause photovoltaic module to damage.
Because copper conductor also needs to have thermolysis except the effect playing conduction, therefore copper conductor sectional dimension is comparatively large, causes terminal box not only to there is oversize, that manufacturing process is complicated problem, and radiating effect is also desirable not to the utmost.
For above-mentioned technical problem, Authorization Notice No. CN203708192U, the utility model in authorized announcement date on July 9th, 2014 discloses a kind of photovoltaic junction box, it includes box body, diode modules and wiring board is provided with in box body, described diode modules is made up of metal backing, insulation crust and three diodes of connecting, wherein, the leg of diode stretches out in outside insulation crust, described cartridge outer surface is inlaid with radiator, the diode modules being positioned at box body is attached at the radiator back side, and is electrically connected with the copper conductor on wiring board.Each diode integrates by the diode modules of this utility model, and be attached at the radiator back side of box portion outside, the copper conductor welded together with diode modules only electrifies connection function, the size of copper conductor and terminal box is greatly reduced, simultaneously, radiator is aluminum material, improves the radiating effect of terminal box.By technique scheme, diode modules is attached at the radiator back side of box portion outside, and be connected with radiator through the bolt of the installing hole in diode modules, so, diode modules only has a face and radiator rear-face contact, but diode modules in space multiple all have heat to distribute, only one of them face attaches radiator, and radiating effect may be not fully up to expectations.
Utility model content
The technical problem that the utility model solves: in prior art, the diode modules in photovoltaic terminal box only has a face to be attached at the radiator back side of box portion outside, and radiating effect is undesirable.
The utility model provides following technical scheme: a kind of photovoltaic terminal box, comprise box body, lid, described box body comprises wiring board cavity, diode modules cavity, two cable cavitys, described cable cavity is positioned at diode modules cavity both sides, dividing plate one is provided with between described diode modules cavity and wiring board cavity, dividing plate two is provided with between described diode modules cavity and terminal box outside, described diode modules is embedded on dividing plate one, described diode modules is connected with radiator, described dividing plate two offers breach, described radiator is provided with groove, described radiator is engaged with diode modules by described breach, described diode modules is fastened in the groove of radiator, described radiator is embedded in diode modules cavity.
By technique scheme, diode modules is fastened in the groove of radiator, three medial surfaces of radiator groove contact with three faces of diode modules, so, the heat that diode modules produces can conduct terminal box by its three faces contacted with radiator, spreader surface directly contacts with air, can direct distribute heat, reaches better radiating effect.Technical scheme described in the utility model improves the radiating effect of terminal box, can avoid the structure Yin Gaowen of the parts in terminal box and terminal box and damage or destroyed.
As further improvement of the present utility model, the material of described radiator is metal or metal alloy, and as preferably, the material of described radiator is aluminium alloy.
As further improvement of the present utility model, described radiator is corrugated.Design like this can increase the cooling surface area of radiator, improves the radiating effect of radiator.
As further improvement of the present utility model, described diode modules cavity bottom surface offers through hole.The shape of described through hole can be the basic geometries such as circular, square, triangle, can also be the combined shaped of above-mentioned basic geometry.The effect of described through hole is heat radiation.
As further improvement of the present utility model, described dividing plate one and dividing plate two are provided with clamping part, and described radiator edge is by being embedded in diode modules cavity with the engaging of described clamping part.
Further illustrate as of the present utility model, be provided with four pieces of copper conductors arranged side by side in described wiring board cavity, described copper conductor is provided with weld part.The bottom surface of wiring board cavity is provided with the fastener of several outstanding bottom surfaces, and copper conductor is stuck between fastener and fastener, and fastener both served fixation, serves position-limiting action again.Further illustrate as of the present utility model, described diode modules comprises four legs, and the weld part of described copper conductor is connected with leg.Namely the leg quantity of diode modules is equal with the quantity of copper conductor quantity or its weld part.
As further improvement of the utility model, the place of inlaying of described diode modules is provided with sealing ring, encapsulating in described wiring board cavity.Improvement like this, engage with diode modules and be provided with sealing ring and glue between radiator in diode modules cavity and copper conductor, achieve and be separated completely, sealing ring and glue play the effect of duplicate protection.
Further illustrate as of the present utility model, be provided with cable in described cable cavity, one end of described cable is together with copper conductor riveting, and the other end of described cable is oblique gives prominence to described box body.So far, cable is connected with copper conductor, and copper conductor is connected with diode modules.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described further:
Fig. 1 is the structural representation of a kind of photovoltaic terminal box of the utility model;
Fig. 2 in Fig. 1 along the structural representation of gained after photovoltaic terminal box described in A-A cutting;
Fig. 3 is the structural representation after the terminal box of photovoltaic described in Fig. 1 removal lid and radiator;
Fig. 4 is the structural representation observing described photovoltaic terminal box gained in Fig. 1 from rear.
Symbol description in figure:
10-box body; 101-dividing plate; 102-dividing plate; 11-wiring board cavity; 110-copper conductor; 111-weld part; 12-diode modules cavity; 120-diode modules; 121-leg; 1201-breach; 1202-clamping part; 1203-through hole; 13-cable cavity; 130-cable; 14-cable cavity; 140-cable;
20-lid;
30-radiator; 301-groove.
Embodiment
As shown in Figure 1, Figure 3, a kind of photovoltaic terminal box, comprises box body 10, lid 20.
As shown in Figure 3, described box body 10 comprises wiring board cavity 11, diode modules cavity 12, cable cavity 13 and cable cavity 14, and described cable cavity 13 and cable cavity 14 are positioned at diode modules cavity 12 both sides.
As shown in Figure 3, dividing plate 1 is provided with between described diode modules cavity 12 and wiring board cavity 11, dividing plate 2 102 is provided with between described diode modules cavity 12 and terminal box outside, described dividing plate 2 102 offers breach 1201, and described dividing plate 1 and dividing plate 2 102 are provided with clamping part 1202.As shown in Figure 4, described diode modules cavity 12 bottom surface offers through hole 1203.
As shown in Figure 2 and Figure 3, described dividing plate 1 is inlaid with diode modules 120, described diode modules 120 is connected with radiator 30.The material of described radiator 30 is aluminium alloy, and described radiator 30 is in corrugated, and described radiator 30 is provided with groove 301.Described radiator 30 is engaged with diode modules 120 by described breach 1201, and described diode modules 120 is fastened in the groove 301 of radiator 30, and described radiator 30 edge is by being embedded in diode modules cavity 12 with the engaging of described clamping part 1202.
As shown in Figure 2 and Figure 3, be provided with four pieces of copper conductors 110 arranged side by side in described wiring board cavity 11, described copper conductor 110 is provided with weld part 111.Described diode modules 120 comprises four legs 121, and the weld part 111 of described copper conductor 110 is connected with leg 121.
As shown in Figure 1, Figure 3, in described cable cavity 13, cable 130 is installed, be provided with cable 140 in cable cavity 14, one end of described cable 130 and cable 140 is together with copper conductor 110 riveting, and the other end of described cable 130 and cable 140 gives prominence to described box body 10.
Ambient temperature is 75 degrees Celsius, and radiator is above-mentioned aluminium alloy heat radiator, and now compare the radiating effect having installed the utility model photovoltaic terminal box of radiator and the photovoltaic terminal box of non-installation of heat radiator, test result is as table 1.
Table 1
Note: bypass temperature height directly affects generating efficiency, and temperature often raises 10 DEG C, generating power output declines 0.3%.
Above content is only better embodiment of the present utility model, for those of ordinary skill in the art, according to thought of the present utility model, all will change in specific embodiments and applications, this description should not be construed as restriction of the present utility model.
Claims (10)
1. a photovoltaic terminal box, comprise box body (10), lid (20), described box body (10) comprises wiring board cavity (11), diode modules cavity (12), two cable cavitys (13, 14), described cable cavity (13, 14) diode modules cavity (12) both sides are positioned at, dividing plate one (101) is provided with between described diode modules cavity (12) and wiring board cavity (11), dividing plate two (102) is provided with between described diode modules cavity (12) and terminal box outside, described dividing plate one (101) is inlaid with diode modules (120), described diode modules (120) is connected with radiator (30), it is characterized in that: described dividing plate two (102) offers breach (1201), described radiator (30) is provided with groove (301), described radiator (30) is engaged with diode modules (120) by described breach (1201), described diode modules (120) is fastened in the groove (301) of radiator (30), described radiator (30) is embedded in diode modules cavity (12).
2. a kind of photovoltaic terminal box as claimed in claim 1, is characterized in that: described radiator (30) is in corrugated, and the material of described radiator (30) is metal.
3. a kind of photovoltaic terminal box as claimed in claim 1, is characterized in that: described radiator (30) is in corrugated, and the material of described radiator (30) is metal alloy.
4. a kind of photovoltaic terminal box as claimed in claim 3, is characterized in that: the material of described radiator (30) is aluminium alloy.
5. a kind of photovoltaic terminal box as claimed in claim 1, it is characterized in that: described dividing plate one (101) and dividing plate two (102) are provided with clamping part (1202), described radiator (30) edge is by being embedded in diode modules cavity (12) with the engaging of described clamping part (1202).
6. a kind of photovoltaic terminal box as claimed in claim 1, it is characterized in that: be provided with four pieces of copper conductors (110) arranged side by side in described wiring board cavity (11), described copper conductor (110) is provided with weld part (111).
7. a kind of photovoltaic terminal box as claimed in claim 6, it is characterized in that: described diode modules (120) comprises four legs (121), the weld part (111) of described copper conductor (110) is connected with leg (121).
8. a kind of photovoltaic terminal box as claimed in claim 7, is characterized in that: the place of inlaying of described diode modules (120) is provided with sealing ring (40), the interior encapsulating of described wiring board cavity (11).
9. a kind of photovoltaic terminal box as claimed in claim 1, is characterized in that: described cable cavity (13; 14) cable (130 is installed in; 140), described cable (130; 140) one end together with copper conductor (110) riveting, described cable (130; 140) the other end gives prominence to described box body (10).
10. a kind of photovoltaic terminal box according to any one of claim 1 ~ 9, is characterized in that: described diode modules cavity (12) bottom surface offers through hole (1203).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520339472.XU CN205005015U (en) | 2015-05-25 | 2015-05-25 | Solar photovoltaic connecting box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520339472.XU CN205005015U (en) | 2015-05-25 | 2015-05-25 | Solar photovoltaic connecting box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205005015U true CN205005015U (en) | 2016-01-27 |
Family
ID=55161884
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520339472.XU Active CN205005015U (en) | 2015-05-25 | 2015-05-25 | Solar photovoltaic connecting box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205005015U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059486A (en) * | 2016-07-21 | 2016-10-26 | 湖南红太阳新能源科技有限公司 | Solar photovoltaic junction box |
| CN108736824A (en) * | 2018-06-14 | 2018-11-02 | 合肥流明新能源科技有限公司 | A kind of fault detect cooling photovoltaic cell junction box |
| CN108736825A (en) * | 2018-06-14 | 2018-11-02 | 合肥流明新能源科技有限公司 | A kind of low temperature photovoltaic cell junction box |
| CN108988779A (en) * | 2018-06-14 | 2018-12-11 | 合肥流明新能源科技有限公司 | A kind of liquid cooling photovoltaic cell junction box and its working method |
| CN108988778A (en) * | 2018-06-14 | 2018-12-11 | 合肥流明新能源科技有限公司 | A kind of rapid cooling photovoltaic cell junction box |
-
2015
- 2015-05-25 CN CN201520339472.XU patent/CN205005015U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059486A (en) * | 2016-07-21 | 2016-10-26 | 湖南红太阳新能源科技有限公司 | Solar photovoltaic junction box |
| CN108736824A (en) * | 2018-06-14 | 2018-11-02 | 合肥流明新能源科技有限公司 | A kind of fault detect cooling photovoltaic cell junction box |
| CN108736825A (en) * | 2018-06-14 | 2018-11-02 | 合肥流明新能源科技有限公司 | A kind of low temperature photovoltaic cell junction box |
| CN108988779A (en) * | 2018-06-14 | 2018-12-11 | 合肥流明新能源科技有限公司 | A kind of liquid cooling photovoltaic cell junction box and its working method |
| CN108988778A (en) * | 2018-06-14 | 2018-12-11 | 合肥流明新能源科技有限公司 | A kind of rapid cooling photovoltaic cell junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: No. 19 Zhongtian Road, Zone E, Changkun Industrial Park, Changshu City, Suzhou City, Jiangsu Province, 215500 Patentee after: CHANGSHU FRIENDS CONNECTOR TECHNOLOGY. Co.,Ltd. Address before: No. 2 Zhongtian Road, Zone E, Changshu Changkun Industrial Park, Suzhou City, Jiangsu Province, 215500 Patentee before: CHANGSHU FRIENDS CONNECTOR TECHNOLOGY. Co.,Ltd. |