CN202495459U - Photovoltaic junction box with external module and radiator - Google Patents

Photovoltaic junction box with external module and radiator Download PDF

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Publication number
CN202495459U
CN202495459U CN2011205022437U CN201120502243U CN202495459U CN 202495459 U CN202495459 U CN 202495459U CN 2011205022437 U CN2011205022437 U CN 2011205022437U CN 201120502243 U CN201120502243 U CN 201120502243U CN 202495459 U CN202495459 U CN 202495459U
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CN
China
Prior art keywords
box body
photovoltaic junction
junction box
bypass diode
confluxes
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 - Lifetime
Application number
CN2011205022437U
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Chinese (zh)
Inventor
赵颜华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Aopu Kexing Technology Co., Ltd.
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赵颜华
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 赵颜华 filed Critical 赵颜华
Priority to CN2011205022437U priority Critical patent/CN202495459U/en
Application granted granted Critical
Publication of CN202495459U publication Critical patent/CN202495459U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy

Abstract

The utility model relates to a photovoltaic junction box with an external module and a radiator. The photovoltaic junction box is arranged on the back of a solar panel and composed of a box body and a bypass diode module arranged in the box body, the inner part of the box body is divided into a junction belt mounting area and a radiation area, a junction end of the bypass diode module is fixed in the junction belt mounting area, the other end is exposed in the radiation area; a closed box cover is arranged on the junction belt mounting area, the closed box cover is fastened on the box body of the junction belt mounting area, and a radiation type box cover is arranged on the radiation area and fastened on the box body of the radiation area. In the natural environment, during the working process of the bypass diode module, the generated heat amount is timely radiated into the natural environment by the radiation type box cover, and the risk in that when the bypass diode of the existing box body is built inside, the generated heat is not radiated and the heat accumulation results into thawing and burning of the box body, is effectively reduced.

Description

A kind of photovoltaic junction box with external module and radiator
Technical field
The utility model relates to a kind of terminal box, relates in particular to a kind of photovoltaic junction box with external module and radiator.
Background technology
In solar photovoltaic generation system, photovoltaic junction box can be realized being connected of solar energy power generating crystal silicon plate lead-in wire and external lead wire.Do not generate electricity or can play a protective role to entire circuit during certain battery strings fault of assembly for fear of the assembly crested; Guarantee that other batteries can operate as normal; Generally in photovoltaic junction box inside bypass diode is installed also, under the circuit turn-on state, diode can generate heat; Therefore, guarantee that the effective heat dissipation of diode in the terminal box and the connection reliability of diode just become the fine or not key of photovoltaic junction box quality.Be provided with bypass diode and metal card connecting terminal in the existing photovoltaic junction box; The metal card connecting terminal; Respectively with the terminal pin clamping of diode or weld together, the connected mode of the terminal box of this structure is at first installed inconvenience through connecting portion; Diode will weld perhaps and be installed in the terminal box on the clamping metal connection terminal again, increases assembly difficulty; Secondly, in use, because temperature rising solder joint comes off easily; Can make the loose contact of diode and metal terminal; Snap fit connects contact resistance can cause drawbacks such as contact point temperature rising, makes the stability of diode current flow reduce, thereby causes the operational failure of terminal box.
The utility model content
The utility model is installed inconvenience to existing photovoltaic junction box; Assembly difficulty is bigger, and in use, because temperature rising solder joint comes off easily; Can make the loose contact of diode and metal terminal; Make the stability of diode current flow reduce, thereby cause the deficiency of the operational failure of terminal box, a kind of photovoltaic junction box with external module and radiator is provided.
The technical scheme that the utility model solves the problems of the technologies described above is following: a kind of photovoltaic junction box with external module and radiator is arranged at the solar panels back side; Said photovoltaic junction box comprises box body and the bypass diode module that is arranged in the said box body; Be divided into conflux band installing zone and radiating area two parts in the said box body; The terminals of said bypass diode module are fixed in the band installing zone that confluxes, and the other end is exposed in the radiating area; Have a closed lid on the said band installing zone that confluxes, said closed lid is fastened on the box body at the band installing zone place of confluxing, and has a heat dissipation type lid on the said radiating area, and said heat dissipation type lid is fastened on the box body at radiating area place.
The beneficial effect of the utility model is: the photovoltaic junction box that the utlity model has external module and radiator 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 the work of bypass diode module can be dispersed in the natural environment through the heat dissipation type lid in time; Reduced existing box body bypass diode effectively when built-in, the heat that work produces distributes does not go out, and thermal accumlation causes box body to melt and the risk of burning; The heat of bypass diode module generation simultaneously is dispersed in the environment, just can not have the problem of box body internal temperature rise; Reduce the cost of product, increased performance of products stability, prolonged the useful life of product.
On the basis of technique scheme, the utility model can also be done following improvement.
Further; Said confluxing separates through dividing plate between band installing zone and the radiating area; Has through hole on the said dividing plate; The terminals of said bypass diode module are plugged in the band installing zone that confluxes through through hole, and the place of plugging of said bypass diode module and dividing plate has the space, is filled with sealing ring in the said space.
Further, the terminals of said bypass diode module have screw hole, and it is connected with band edge that confluxes in the band installing zone that confluxes through screw.
Further, be provided with the embedding glue-line between the box body at said heat dissipation type lid and radiating area place.
Further, in the said band installing zone that confluxes the band that confluxes is installed, said confluxing is with the mode through welding or clamping to be connected with the band mounting terminal of confluxing.
Further, the two ends of said box body respectively have an output lead, and said output lead is connected on the terminals of bypass diode module, and the two ends of said box body link to each other with connector through output lead.
Further, have the heat radiation gap of a plurality of strips on the said heat dissipation type lid, can increase area of dissipation, improve heat dispersion.
Further, said bypass diode module comprises four or six diode chip for backlight unit.
Description of drawings
Fig. 1 is the structural representation that the utlity model has the photovoltaic junction box of external module and radiator;
Fig. 2 is the structural representation that the photovoltaic junction box that the utlity model has external module and radiator does not have the heat dissipation type lid;
Fig. 3 is the structural representation that the photovoltaic junction box that the utlity model has external module and radiator does not have closed lid and heat dissipation type lid;
Fig. 4 is the structural representation of the utility model bypass diode module.
Embodiment
Below in conjunction with accompanying drawing the principle and the characteristic of the utility model are described, institute gives an actual example and only is used to explain the utility model, is not the scope that is used to limit the utility model.
Shown in Fig. 1 to 4; Said photovoltaic junction box with external module and radiator is arranged at the solar panels back side; Said photovoltaic junction box comprises box body and the bypass diode module 2 that is arranged in the said box body; Be divided into conflux band installing zone and radiating area two parts in the said box body, the terminals of said bypass diode module 2 are fixed in the band installing zone that confluxes, and the other end is exposed in the radiating area; Have a closed lid on the said band installing zone that confluxes, said closed lid is fastened on the box body at the band installing zone place of confluxing, and has a heat dissipation type lid 3 on the said radiating area, and said heat dissipation type lid 3 is fastened on the box body at radiating area place.
Said confluxing separates through dividing plate between band installing zone and the radiating area; Has through hole on the said dividing plate; The terminals of said bypass diode module 2 are plugged in the band installing zone that confluxes through through hole; The place of plugging of said bypass diode module 2 and dividing plate has the space, is filled with sealing ring in the said space.The terminals of said bypass diode module 2 have screw hole, and it is fixed in the band installing zone that confluxes through screw 4 and is connected with the band mounting terminal 5 of confluxing.Be provided with the embedding glue-line between the box body at said heat dissipation type lid 3 and radiating area place.In the said band installing zone that confluxes the band that confluxes is installed, said confluxing is with the mode through welding or clamping to be installed on the band mounting terminal 5 of confluxing.The two ends of said box body respectively have an output lead 1, and said output lead 1 is connected on the terminals of bypass diode module 2, and the two ends of said box body link to each other with connector through output lead 1.The heat radiation gap that has a plurality of strips on the said heat dissipation type lid 3.Said bypass diode module 2 comprises four or six diode chip for backlight unit.
The above is merely the preferred embodiment of the utility model, and is in order to restriction the utility model, not all within the spirit and principle of the utility model, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the utility model.

Claims (8)

1. photovoltaic junction box with external module and radiator; Said photovoltaic junction box with external module and radiator is arranged at the solar panels back side; It is characterized in that said photovoltaic junction box comprises box body and the bypass diode module that is arranged in the said box body, is divided into conflux band installing zone and radiating area two parts in the said box body; The terminals of said bypass diode module are fixed in the band installing zone that confluxes, and the other end is exposed in the radiating area; Have a closed lid on the said band installing zone that confluxes, said closed lid is fastened on the box body at the band installing zone place of confluxing, and has a heat dissipation type lid on the said radiating area, and said heat dissipation type lid is fastened on the box body at radiating area place.
2. the photovoltaic junction box with external module and radiator according to claim 1; It is characterized in that; Said confluxing separates through dividing plate between band installing zone and the radiating area, has through hole on the said dividing plate, and the terminals of said bypass diode module are plugged in the band installing zone that confluxes through through hole; The place of plugging of said bypass diode module and dividing plate has the space, is filled with sealing ring in the said space.
3. the photovoltaic junction box with external module and radiator according to claim 1 is characterized in that the terminals of said bypass diode module have screw hole, and it, and is connected with band edge that confluxes in the band installing zone that confluxes through screw.
4. the photovoltaic junction box with external module and radiator according to claim 1 is characterized in that, is provided with the embedding glue-line between the box body at said heat dissipation type lid and radiating area place.
5. the photovoltaic junction box with external module and radiator according to claim 1 is characterized in that, in the said band installing zone that confluxes the band that confluxes is installed, and the said band that confluxes is connected on the band edge that confluxes through the mode of welding perhaps clamping.
6. the photovoltaic junction box with external module and radiator according to claim 5; It is characterized in that; The two ends of said box body respectively have an output lead; Said output lead is connected on the terminals of bypass diode module, and the two ends of said box body link to each other with connector through output lead.
7. the photovoltaic junction box with external module and radiator according to claim 1 is characterized in that, has the heat radiation gap of a plurality of strips on the said heat dissipation type lid.
8. the photovoltaic junction box with external module and radiator according to claim 1 is characterized in that, said bypass diode module comprises four or six diode chip for backlight unit.
CN2011205022437U 2011-12-06 2011-12-06 Photovoltaic junction box with external module and radiator Expired - Lifetime CN202495459U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011205022437U CN202495459U (en) 2011-12-06 2011-12-06 Photovoltaic junction box with external module and radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011205022437U CN202495459U (en) 2011-12-06 2011-12-06 Photovoltaic junction box with external module and radiator

Publications (1)

Publication Number Publication Date
CN202495459U true CN202495459U (en) 2012-10-17

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011205022437U Expired - Lifetime CN202495459U (en) 2011-12-06 2011-12-06 Photovoltaic junction box with external module and radiator

Country Status (1)

Country Link
CN (1) CN202495459U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108599717A (en) * 2018-06-26 2018-09-28 浙江晶科能源有限公司 A kind of photovoltaic module

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108599717A (en) * 2018-06-26 2018-09-28 浙江晶科能源有限公司 A kind of photovoltaic module
CN108599717B (en) * 2018-06-26 2023-09-26 浙江晶科能源有限公司 Photovoltaic module

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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: BEIJING AOPU KEXING TECHNOLOGY CO., LTD.

Free format text: FORMER OWNER: ZHAO YANHUA

Effective date: 20130115

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 102308 MENTOUGOU, BEIJING

TR01 Transfer of patent right

Effective date of registration: 20130115

Address after: 102308, No. 8, Dragon Garden Road, Shilong Industrial Development Zone, Mentougou District, Beijing, F3-10A

Patentee after: Beijing Aopu Kexing Technology Co., Ltd.

Address before: 100102 Beijing City, Chaoyang District Nanhu Xiyuan District 103 building 3 unit 502 room

Patentee before: Zhao Yanhua

CX01 Expiry of patent term

Granted publication date: 20121017

CX01 Expiry of patent term