CN202749392U - Photovoltaic terminal box having diode by-pass module on box cover - Google Patents
Photovoltaic terminal box having diode by-pass module on box cover Download PDFInfo
- Publication number
- CN202749392U CN202749392U CN2012202001749U CN201220200174U CN202749392U CN 202749392 U CN202749392 U CN 202749392U CN 2012202001749 U CN2012202001749 U CN 2012202001749U CN 201220200174 U CN201220200174 U CN 201220200174U CN 202749392 U CN202749392 U CN 202749392U
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- CN
- China
- Prior art keywords
- bypass diode
- diode module
- lid
- box body
- photovoltaic junction
- 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
Links
- 238000009423 ventilation Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 239000002184 metal Substances 0.000 description 5
- 230000000630 rising effect Effects 0.000 description 3
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Images
Classifications
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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
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to a photovoltaic terminal box having a diode by-pass module on a box cover of the photovoltaic terminal. The photovoltaic terminal box is arranged on the back of a solar panel and comprises a box body and a box cover buckled on the box body and used for protecting components inside the box body; and a heat dissipation device is arranged on the box cover and used for the heat dissipation of the diode by-pass module. According to the utility model, the photovoltaic terminal box is disposed in natural environment, and the heat generated by the operation of the diode by-pass module can be timely dissipated to the natural environment by the heat dissipation box cover, thereby effectively reducing the danger that when a by-pass diode is arranged inside the box body, the heat generated in operation can not dissipated and the box body is melted and burnt by the accumulated heat in the prior art.
Description
Technical field
The utility model relates to a kind of terminal box, relates in particular to the photovoltaic junction box that has the bypass diode module on a kind of lid.
Background technology
In solar photovoltaic generation system, photovoltaic junction box can realize that solar energy power generating crystal silicon plate lead-in wire is connected connection with external lead wire.Do not generate electricity or can play a protective role to whole circuit during certain battery strings fault of assembly for fear of the assembly crested; guarantee that other batteries can work; photovoltaic junction box inside is equipped with bypass diode; under the circuit turn-on state; diode can generate heat; therefore, the connection reliability of the effective heat dissipation of assurance diodes inside terminal box and diode just becomes the key of the photovoltaic junction box quality that has the bypass diode module on the lid.Be provided with bypass diode and metal card connecting terminal in the existing photovoltaic junction box, the metal card connecting terminal, by connecting portion respectively with the terminal pin clamping of diode or weld together, the connected mode of the terminal box of this structure, at first install inconvenience, diode to weld or the clamping metal wiring terminal on be installed to again in the terminal box, increase assembly difficulty; Secondly, in use, because temperature rising solder joint comes off easily, meeting is so that the loose contact of diode and metal terminal, snap fit connects contact resistance can cause the drawbacks such as contact point temperature rising, so that the stability of diode current flow reduces, thereby causes the operational failure of terminal box.
The utility model content
The utility model is installed inconvenience for existing photovoltaic junction box, assembly difficulty is larger, and in use, because temperature rising solder joint comes off easily, meeting is so that the loose contact of diode and metal terminal, so that the stability of diode current flow reduces, thereby cause the deficiency of the operational failure of terminal box, the photovoltaic junction box that has the bypass diode module on a kind of lid is provided.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: the photovoltaic junction box that has the bypass diode module on a kind of lid, the photovoltaic junction box that has the bypass diode module on the described lid is pasted on the solar panels back side, the convergent belt of solar panels is installed on the convergent belt mounting terminal of terminal box, solar panels institute electricity is by the output cable output of terminal box, described photovoltaic junction box comprises box body and the lid that is fastened on the described box body, and said lid is for the protection of the box body internal components;
Described lid is provided with heat abstractor, and described heat abstractor is used for bypass diode is dispelled the heat.
The beneficial effects of the utility model are: the photovoltaic junction box that has the bypass diode module on the utility model lid has reduced bypass diode module installing and fixing in box body, contact resistance when reducing the clamping of bypass diode module pin, the thermal accumlation when reducing the work of contact point; And under natural environment, the heat that produces during bypass diode module work can be dispersed in the natural environment by the heat dissipation type lid in time, effectively reduced existing box body bypass diode when built-in, the dissipation of heat that work produces is not gone out, the risk that thermal accumlation causes box body to melt and burn, just can not there be the problem of box body internal temperature rise in the dissipation of heat of simultaneously bypass diode module generation in environment; Reduced the cost of product, increased the stability of product, prolonged the useful life of product, when assembly is installed terminal box, at first be to paste box portion, and then convergent belt is installed, at this moment lid is what to separate with box body, box body is inner because there is not diode, therefore reduced in the terminal box installation process to bypass diode by the risk of electrostatic breakdown.
On the basis of technique scheme, the utility model can also be done following improvement.
Further, described heat abstractor is at least two ventilation holes that arrange on radiator or the lid.
Further, be fixed with bypass diode module pin block holder in the described box body, the terminals of described bypass diode module are plugged on the bypass diode module pin block holder, and another side is connected with heat abstractor.
Further, the contact position of described box body and lid is provided with a circle sealing ring, and described lid is by at least two tight locking buttons and box body clamping.
Further, have convergent belt in the described box body, described convergent belt is fixed on the bypass diode module pin block holder convergent belt mounting terminal, and described mounting terminal is connected with bypass diode module pin holder.
Further, the two ends of described box body respectively have an output lead, and described output lead is connected by screw on the convergent belt mounting terminal, and described box body links to each other with connector by output lead.
Further, described lid is that insulating material is made.
Further, described bypass diode module comprises the diode chip for backlight unit of at least two series connection.
Further, described bypass diode module pin block holder is the integral type structure, has a plurality of through holes on this structure, and the quantity of described through hole is corresponding with the quantity of diode (led) module pin.
Further, described bypass diode module pin holder comprises cavity and is connected with described cavity and plugs mouth, the pin of described bypass diode module is by plugging mouth and be arranged in the cavity and being connected with pin holder on the box body terminal, and the quantity of described bypass diode module pin holder is corresponding with the quantity of diode (led) module pin.
Description of drawings
Fig. 1 is the structural representation that has the photovoltaic junction box of bypass diode module on the utility model specific embodiment 1 described lid;
Fig. 2 is that Fig. 1 is along the cutaway view of A-A direction;
Fig. 3 is that Fig. 1 is along the cutaway view of B-B direction;
Fig. 4 is the structural representation that does not have lid that has the photovoltaic junction box of bypass diode module on the utility model specific embodiment 2 described lids;
Fig. 5 is the stereogram of the utility model bypass diode module pin block holder the first embodiment;
Fig. 6 is the front view of the utility model bypass diode module pin block holder the first embodiment;
Fig. 7 is the stereogram of the utility model bypass diode module pin holder the second embodiment;
Fig. 8 is the stereogram of the utility model bypass diode module pin holder the second embodiment;
Fig. 9 is that the utility model bypass diode module is fixed on the structure chart on the radiator;
Figure 10 is the structural representation that has the photovoltaic junction box of bypass diode module on the utility model specific embodiment 2 described lids;
Figure 11 is the structural representation that does not have lid that has the photovoltaic junction box of bypass diode module on the utility model specific embodiment 2 described lids;
Figure 12 is the module diagram that has the photovoltaic junction box of bypass diode module on the utility model specific embodiment 2 described lids.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used for explaining the utility model, is not be used to limiting scope of the present utility model.
As shown in Figures 1 to 4, the photovoltaic junction box that has the bypass diode module on the described lid is arranged at the solar panels back side, described photovoltaic junction box comprises box body and the lid 11 that is fastened on the described box body, be fixed with radiator 21 on the described lid 11, be fixed with bypass diode module 10 below the described radiator 21, be fixed with bypass diode module pin holder 3 in the described box body, the pin of described bypass diode module 10 is plugged on the bypass diode module pin holder 3, and another side is connected with radiator 21.The contact position of described radiator 21 and lid 11 is provided with circle sealing ring or a fluid sealant.Have convergent belt in the described box body, described convergent belt is fixed on the convergent belt mounting terminal 12, and described convergent belt mounting terminal 12 is connected with bypass diode module pin holder 3.The two ends of described box body respectively have an output lead 1, and described output lead 1 is connected on the convergent belt mounting terminal 12 by screw 5, and described box body links to each other with connector by output lead 1.Have the heat radiation projection of a plurality of strips on the described radiator 21, increase area of dissipation.Described bypass diode module 10 comprises the diode chip for backlight unit of at least two series connection.
As illustrated in Figures 5 and 6, described bypass diode module pin block holder 6 is the integral type structure, has a plurality of through holes 7 on this structure, and the quantity of described through hole 7 is corresponding with the quantity of diode (led) module pin.
Shown in Fig. 7 and 8, described bypass diode module pin holder 3 comprises cavity 13 and is connected with described cavity 13 and plugs mouthfuls 14, the pin of described bypass diode module is arranged in the cavity 13 and is connected with pin holder on the box body terminal by plugging mouthfuls 14, the bottom of described cavity 13 has a through hole 9, screw mode or the mode of riveted joint of described bypass diode module pin holder 3 by wearing through hole 9 is connected with binding post and is fixed in the box body, and the quantity of described bypass diode module pin holder is corresponding with the quantity of diode (led) module pin.
Be appreciated that the utility model bypass diode module pin holder 3 and inessential structure, also can not have this structure, as shown in Figure 9, bypass diode module 15 directly is fixed on radiator 16 belows, can reduce installation cost, thereby reduces the manufacturing cost of photovoltaic junction box.
As described in Figure 10,11,12, the photovoltaic junction box that has the bypass diode module on the utility model specific embodiment 2 described a kind of lids is arranged at the solar panels back side, described photovoltaic junction box comprises box body and the lid 11 that is fastened on the described box body, and said lid 11 is for the protection of the box body internal components; Described lid 11 is provided with at least two ventilation holes 22, described ventilation hole 22 is used for bypass diode module 10 is dispelled the heat, be fixed with bypass diode module pin holder 3 in the described box body, the pin of described bypass diode module 10 is plugged on the bypass diode module pin holder 3, and the other end is connected with ventilation hole 22.The contact position of described box body and lid 11 is provided with a circle sealing ring.Have convergent belt in the described box body, described convergent belt is fixed on the convergent belt mounting terminal 12, and described convergent belt mounting terminal 12 is connected with bypass diode module pin holder 3.One end of described box body respectively has two output leads 1, and described output lead 1 is connected on the convergent belt mounting terminal 12 by screw 5, and described box body links to each other with connector by output lead 1.Described lid 11 adopts insulating material to make.Described bypass diode module 10 comprises the diode chip for backlight unit of at least two series connection.
The above only is preferred embodiment of the present utility model, and is in order to limit the utility model, not all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1. the photovoltaic junction box that has the bypass diode module on the lid, the photovoltaic junction box that has the bypass diode module on the described lid is arranged at the solar panels back side, it is characterized in that described photovoltaic junction box comprises box body and the lid that is fastened on the described box body;
Described lid is provided with heat abstractor, and described heat abstractor is used for bypass diode module is dispelled the heat.
2. the photovoltaic junction box that has the bypass diode module on the lid according to claim 1 is characterized in that, described heat abstractor is at least two ventilation holes that arrange on radiator or the lid.
3. the photovoltaic junction box that has the bypass diode module on the lid according to claim 2, it is characterized in that, be fixed with bypass diode module pin block holder in the described box body, the terminals of described bypass diode module are plugged on the bypass diode module pin block holder.
4. the photovoltaic junction box that has the bypass diode module on the lid according to claim 2 is characterized in that, the contact position of described box body and lid is provided with a circle sealing ring, and described lid is by at least two tight locking buttons and box body clamping.
5. the photovoltaic junction box that has the bypass diode module on the lid according to claim 3, it is characterized in that, has convergent belt in the described box body, described convergent belt is fixed on the bypass diode module pin block holder convergent belt mounting terminal, and described mounting terminal is connected with bypass diode module pin holder.
6. the photovoltaic junction box that has the bypass diode module on the lid according to claim 5, it is characterized in that, the two ends of described box body respectively have an output lead, and described output lead is connected by screw on the convergent belt mounting terminal, and described box body links to each other with connector by output lead.
7. the photovoltaic junction box that has the bypass diode module on the lid according to claim 1 is characterized in that, described lid is that insulating material is made.
8. the photovoltaic junction box that has the bypass diode module on the lid according to claim 2 is characterized in that described bypass diode module comprises the diode chip for backlight unit of at least two series connection.
9. according to claim 2 or the photovoltaic junction box that has the bypass diode module on the 5 described lids, it is characterized in that, described bypass diode module pin block holder is the integral type structure, have a plurality of through holes on this structure, the quantity of described through hole is corresponding with the quantity of diode (led) module pin.
10. the photovoltaic junction box that has the bypass diode module on the lid according to claim 9, it is characterized in that, described bypass diode module pin holder comprises cavity and is connected with described cavity and plugs mouth, the pin of described bypass diode module is by plugging mouth and be arranged in the cavity and being connected with pin holder on the box body terminal, and the quantity of described bypass diode module pin holder is corresponding with the quantity of diode (led) module pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202001749U CN202749392U (en) | 2011-12-06 | 2012-05-04 | Photovoltaic terminal box having diode by-pass module on box cover |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120502247.5 | 2011-12-06 | ||
| CN201120502247 | 2011-12-06 | ||
| CN2012202001749U CN202749392U (en) | 2011-12-06 | 2012-05-04 | Photovoltaic terminal box having diode by-pass module on box cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749392U true CN202749392U (en) | 2013-02-20 |
Family
ID=47708751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202001749U Expired - Fee Related CN202749392U (en) | 2011-12-06 | 2012-05-04 | Photovoltaic terminal box having diode by-pass module on box cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749392U (en) |
-
2012
- 2012-05-04 CN CN2012202001749U patent/CN202749392U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: WUXI AKCOME SOLAR SCIENCE + TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ZHAO YANHUA Effective date: 20130410 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Gao Sen Inventor before: Zhao Yanhua |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 214421 WUXI, JIANGSU PROVINCE Free format text: CORRECT: INVENTOR; FROM: ZHAO YANHUA TO: GAO SEN |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130410 Address after: 214421 Jiangsu city in Jiangyin Province town of Hua Industrial Zone Red Miao Qin Feng Park Road No. 1015 Patentee after: Wuxi Akcome Solar Electronic Science & Technology Co., Ltd. Address before: 100102 Beijing City, Chaoyang District Nanhu District 103 West Park 1 Building 3 Room 502 Patentee before: Zhao Yanhua |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130220 Termination date: 20140504 |