CN202633346U - Photovoltaic junction box having external module and radiator - Google Patents

Photovoltaic junction box having external module and radiator Download PDF

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Publication number
CN202633346U
CN202633346U CN2012202003354U CN201220200335U CN202633346U CN 202633346 U CN202633346 U CN 202633346U CN 2012202003354 U CN2012202003354 U CN 2012202003354U CN 201220200335 U CN201220200335 U CN 201220200335U CN 202633346 U CN202633346 U CN 202633346U
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China
Prior art keywords
bypass diode
box body
photovoltaic junction
diode module
confluxes
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Expired - Fee Related
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CN2012202003354U
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Chinese (zh)
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赵颜华
费红叶
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Individual
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Individual
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Priority to CN2012202003354U priority Critical patent/CN202633346U/en
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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

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Abstract

The utility model relates to a photovoltaic junction box having an external module and a radiator; wherein the photovoltaic junction box is arranged at a back side of a solar panel, the photovoltaic junction box comprises a box body and a bypass diode module; the box body comprises a bus ribbon installing area and a radiating area; the bypass diode module is arranged in the bus ribbon installing area or the radiating area, the bypass diode module is used for preventing the solar panel from being damaged by heating during occurrence of a hot spot effect; a closed type box cover is provided on the bus ribbon installing area, the closed type box cover is fastened on the box body where the bus ribbon installing area locates; a radiating type box cover or a radiator is provided on the radiating area, the radiating type box cover is fastened on the box body where the radiating area locates; the radiating type box cover or the radiator is used for performing heat radiation for a bypass diode. According to the photovoltaic junction box of the utility model, the heat generated by operation of the bypass diode module in the photovoltaic junction box is radiated out timely, thereby effectively reducing risk caused by the disradiated heat generated by operation of the bypass diode.

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 bypass diode conducting 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; Said photovoltaic junction box with external module and radiator is pasted on the solar panels back side; The band that confluxes of solar panels is installed to be with confluxing of terminal box realizes on the mounting terminal that institute's electricity is through terminal box output; And the bypass diode module through terminal box is implemented the protection to solar panels, and said photovoltaic junction box comprises box body and bypass diode module; Said box body comprises conflux band installing zone and radiating area;
Said bypass diode module is located at conflux band installing zone or radiating area, and said bypass diode module is used to when preventing solar panels because of the generation hot spot effect and causes solar panels impaired because of the heating of battery sheet;
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;
Said radiating area is provided with a heat dissipation type lid or a radiator, and said heat dissipation type lid is fastened on the box body at radiating area place; Said heat dissipation type lid or radiator are used for bypass diode is dispelled the heat.
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 bypass diode module is located at the band installing zone that confluxes, and 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; The said band installing zone that confluxes is provided with a closed lid, 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.
Further, said bypass diode module is located at radiating area, and the said band installing zone that confluxes comprises at least two band mounting terminal of confluxing, and the terminals of said bypass diode module are connected with the interior band mounting terminal of confluxing of box body; Also be provided with radiator on the said bypass diode module.
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 casting glue or sealing ring in the said space.
Further; Said bypass diode module also is provided with conducting terminal; At least two places of plugging that the prolongation of diode integrated component in the said bypass diode module through conducting terminal passes the box body side get into that box bodys are inner is with mounting terminal to be connected with inner the confluxing of box body; The place of plugging of said bypass diode module and box body side has the space, is filled with casting glue or 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 sealing ring between said lid and the box body, said lid is provided with the sealing ring holddown groove, and said sealing ring embeds in the sealing ring holddown groove and is used to realize seal between lid and the box body.
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, said bypass diode module comprises at least two diode in series chips.
Description of drawings
Fig. 1 is the utility model specific embodiment 1 described structural representation with photovoltaic junction box of external module and radiator;
Fig. 2 does not have the structural representation of heat dissipation type lid for the utility model specific embodiment 1 described photovoltaic junction box with external module and radiator;
Fig. 3 does not have the structural representation of closed lid and heat dissipation type lid for the utility model specific embodiment 1 described photovoltaic junction box with external module and radiator;
Fig. 4 is the structural representation of the utility model specific embodiment 1 described bypass diode module;
Fig. 5 is the utility model specific embodiment 2 described structural representations with photovoltaic junction box of external module and radiator;
Fig. 6 does not have the structural representation of lid and radiator for the utility model specific embodiment 2 described photovoltaic junction boxes with external module and radiator;
Fig. 7 is the structural representation of the utility model specific embodiment 2 described bypass diode modules.
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; The utility model specific embodiment 1 described 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 31 on the said radiating area, and said heat dissipation type lid 31 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 casting glue 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 31 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 31.Said bypass diode module 2 comprises at least two diode in series chips.
As shown in Figs. 5 to 7; The utility model practical implementation 2 described photovoltaic junction boxes with external module and radiator are arranged at the solar panels back side; Said photovoltaic junction box comprises the bypass diode module 2 that box body is outer with being arranged at said box body; Be provided with in the said box body and comprise that at least two conflux and are with the band installing zone that confluxes of mounting terminal; The band mounting terminal of confluxing in the terminals of said bypass diode module 2 and the box body is connected, and said bypass diode module 2 is used to that to prevent that solar panels from generating heat when taking place because of hot spot effect impaired; Also be provided with radiator 32 on the said bypass diode module 2, said radiator 32 is used for 2 heat radiations of bypass diode module; The said band installing zone that confluxes is provided with a lid, and said lid is fastened on the box body at the band installing zone place of confluxing.
Said bypass diode module 2 also is provided with conducting terminal; At least two places of plugging that the prolongation of diode integrated component in the said bypass diode module 2 through conducting terminal passes the box body side get into that box bodys are inner is with mounting terminal to be connected with inner the confluxing of box body; The place of plugging of said bypass diode module 2 and box body side 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 sealing ring between said lid and the box body, said lid is provided with the sealing ring holddown groove, and said sealing ring embeds in the sealing ring holddown groove and is used to realize seal between lid and the box body.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.Said bypass diode module 2 comprises at least two diode in series chips.
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 (10)

1. the photovoltaic junction box with external module and radiator is characterized in that, said photovoltaic junction box comprises box body and bypass diode module; Said box body comprises conflux band installing zone and radiating area;
Said bypass diode module is located at conflux band installing zone or 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;
Said radiating area is provided with a heat dissipation type lid or a radiator, and said heat dissipation type lid is fastened on the box body at radiating area place; Said heat dissipation type lid or radiator are used for bypass diode is dispelled the heat.
2. the photovoltaic junction box with external module and radiator according to claim 1; It is characterized in that; Said bypass diode module is located at the band installing zone that confluxes, and 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; The said band installing zone that confluxes is provided with a closed lid, 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.
3. the photovoltaic junction box with external module and radiator according to claim 1; It is characterized in that; Said bypass diode module is located at radiating area; The said band installing zone that confluxes comprises at least two band mounting terminal of confluxing, and the terminals of said bypass diode module are connected with the interior band mounting terminal of confluxing of box body; Also be provided with radiator on the said bypass diode module.
4. the photovoltaic junction box with external module and radiator according to claim 2; 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 casting glue or sealing ring in the said space.
5. the photovoltaic junction box with external module and radiator according to claim 3; It is characterized in that; Said bypass diode module also is provided with conducting terminal; At least two places of plugging that the prolongation of diode integrated component in the said bypass diode module through conducting terminal passes the box body side get into that box bodys are inner is with mounting terminal to be connected with inner the confluxing of box body; The place of plugging of said bypass diode module and box body side has the space, is filled with casting glue or sealing ring in the said space.
6. according to claim 4 or 5 described photovoltaic junction boxes with external module and radiator, it is characterized in that the terminals of said bypass diode module have screw hole, it, and is connected with band edge that confluxes in the band installing zone that confluxes through screw.
7. the photovoltaic junction box with external module and radiator according to claim 1; It is characterized in that; Be provided with sealing ring between said lid and the box body, said lid is provided with the sealing ring holddown groove, and said sealing ring embeds in the sealing ring holddown groove and is used to realize seal between lid and the box body.
8. the photovoltaic junction box with external module and radiator according to claim 6 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.
9. the photovoltaic junction box with external module and radiator according to claim 8; 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.
10. the photovoltaic junction box with external module and radiator according to claim 9 is characterized in that, said bypass diode module comprises at least two diode in series chips.
CN2012202003354U 2012-05-04 2012-05-04 Photovoltaic junction box having external module and radiator Expired - Fee Related CN202633346U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN2012202003354U CN202633346U (en) 2012-05-04 2012-05-04 Photovoltaic junction box having external module and radiator

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104579159A (en) * 2015-02-06 2015-04-29 常州天合光能有限公司 Radiating structure of photovoltaic intelligent junction box
CN104980102A (en) * 2014-04-14 2015-10-14 江苏通灵电器股份有限公司 High-heat-dissipation pencil type junction box
CN105743435A (en) * 2016-04-08 2016-07-06 宁波品恩泰克新能源有限公司 Photovoltaic junction box
CN106059487A (en) * 2016-07-22 2016-10-26 褚敬堂 Photovoltaic connection box and photovoltaic assembly connection system
CN108199684A (en) * 2018-03-08 2018-06-22 张士永 Scholar's photovoltaic junction box by a kind of double wave split
CN108259003A (en) * 2018-03-08 2018-07-06 张士永 A kind of whole other scholar's photovoltaic junction box
CN108282150A (en) * 2018-03-26 2018-07-13 江苏富沃德电子科技有限公司 Photovoltaic 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

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104980102A (en) * 2014-04-14 2015-10-14 江苏通灵电器股份有限公司 High-heat-dissipation pencil type junction box
CN104579159A (en) * 2015-02-06 2015-04-29 常州天合光能有限公司 Radiating structure of photovoltaic intelligent junction box
CN105743435A (en) * 2016-04-08 2016-07-06 宁波品恩泰克新能源有限公司 Photovoltaic junction box
CN106059487A (en) * 2016-07-22 2016-10-26 褚敬堂 Photovoltaic connection box and photovoltaic assembly connection system
CN108199684A (en) * 2018-03-08 2018-06-22 张士永 Scholar's photovoltaic junction box by a kind of double wave split
CN108259003A (en) * 2018-03-08 2018-07-06 张士永 A kind of whole other scholar's photovoltaic junction box
CN108282150A (en) * 2018-03-26 2018-07-13 江苏富沃德电子科技有限公司 Photovoltaic 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

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GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20130504