CN102983194B - Solar junction box - Google Patents
Solar junction box Download PDFInfo
- Publication number
- CN102983194B CN102983194B CN201210542286.7A CN201210542286A CN102983194B CN 102983194 B CN102983194 B CN 102983194B CN 201210542286 A CN201210542286 A CN 201210542286A CN 102983194 B CN102983194 B CN 102983194B
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- CN
- China
- Prior art keywords
- receiving space
- box body
- cover
- box
- base portion
- 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
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- Photovoltaic Devices (AREA)
Abstract
A kind of solar junction box comprises box body, bottom, cover, binding post and waterproof jacket, cover is fastened on the top of box body, binding post is installed in box body, bottom is fixed on bottom described box body, box body comprises base portion and is shaped in the resettlement section on base portion, base portion offers first receiving space of an opening towards described cover, base portion upper surface offers the air channel be connected with the first receiving space, the bezel ring, that cover comprises a cover plate and is shaped on cover plate, waterproof jacket is sheathed on bezel ring, bezel ring, stretches in the first receiving space, waterproof jacket position is placed in below air channel and elasticity is resisted against on box body.When air in box expands, support cover rear and front end upwards to move, waterproof jacket also upwards moves, air channel is connected with space in the box of solar junction box, the heat that produces during diode operation and the gas after expanding is made to be dispersed into described terminal box outside, extend the useful life of described terminal box, moistureproof, good water-proof effect.
Description
Technical field
The present invention relates to a kind of terminal box, especially relate to a kind of solar junction box.
Background technology
At present, rapidly, solar junction box, as the critical piece of sun-generated electric power, is widely used in the connection in various sun-generated electric power device in heliotechnics development.
Along with science and technology constantly progress, require also more and more higher to the electrical connection of solar module, the internal heat dissipating problem of solar junction box is one of major consideration of its design always, at present, on market, the case material of the terminal box that the housing of the terminal box that solar power system is used is used generally uses engineering plastics to make, connected mode between conductor mainly contact, terminal box in working order under, the diode of enclosure interior can produce a large amount of heat energy, heat passes to housing by air transmitted in housing and convection current, housing is again by conducting thermal release, but due to the poor thermal conductivity of air and plastics, heat in housing can not discharge in time, the temperature caused in housing constantly raises, diode is made to locate for a long time at high temperature work and reduce useful life, excessive temperature very easily causes solar junction box to be out of shape simultaneously, accelerate the aging of housing, shorten the useful life of product.
In order to solve the problem, existing solar junction box interior directly increase radiator or connector cover offer air-vent and dispel the heat to help electric elements, but Problems existing is exactly like this, heat can not pass to outside terminal box by radiator, so radiating effect is limited, Long-Time Service also has the risk of thermal accumlation, adds the cost of terminal box simultaneously.Offer air-vent to dispel the heat to help electric elements, in order to avoid cause excess calories to concentrate and affect its running, although some lid can play thermolysis, solar junction box is out of doors many, therefore the effect of its waterproof is but very low, is easy to cause solar junction box entirety to damage.
Summary of the invention
Based on this, be necessary, for above-mentioned background technology Problems existing, to provide the solar junction box of a kind of protection against the tide, waterproof, good heat dissipation effect.
For achieving the above object, the invention discloses a kind of solar junction box and comprise box body, bottom, cover, binding post and waterproof jacket, described cover is fastened on the top of box body, described binding post is installed in box body, described bottom is fixed on bottom described box body, described box body comprises base portion and is shaped in the resettlement section on base portion, described base portion offers first receiving space of an opening towards described cover, base portion upper surface offers the air channel be connected with the first receiving space, the bezel ring, that described cover comprises a cover plate and is shaped on cover plate, waterproof jacket is sheathed on bezel ring, described bezel ring, stretches in the first receiving space, waterproof is placed in the first receiving space and is placed in below air channel and elasticity is resisted against on box body.
Wherein in an embodiment, the two ends of described base portion upper surface offer a groove respectively, on groove cell wall, convex is provided with a fixture block, the lateral surface convex on fixture block top is provided with buckle, the both sides of described cover plate offer a stopper slot respectively, the cell wall of stopper slot is convexly equipped with a fixture block in stopper slot, and described buckle is fastened on described fixture block.
Wherein in an embodiment, described resettlement section is provided with second receiving space of an opening towards described bottom, and described binding post two ends are contained in the second receiving space and the first receiving space respectively,
Wherein in an embodiment, described binding post is arranged with shell fragment, and described shell fragment is contained in the first receiving space.
Wherein in an embodiment, spacer in described first receiving space.
Wherein in an embodiment, the two ends, lower surface at rear portion, described resettlement section offer storage tank, and the two ends of described bottom are respectively equipped with a projection matched with described storage tank, and described projection is arranged in described storage tank.
Wherein in an embodiment, described storage tank groove bottom wall offers the first holding hole, described projection is provided with second holding hole matched with described first holding hole, and described first holding hole and the second holding hole are combined to form the solidus hole of fixing described cable.
In sum, solar junction box of the present invention offers the air channel be connected with the first receiving space by cassette upper end face, and during assembling, bezel ring, stretches in the first receiving space, and waterproof jacket position is placed in below air channel and elasticity is resisted against on box body.When air in box expands, support cover rear and front end upwards to move, waterproof jacket also upwards moves, air channel is connected with space in the box of solar junction box, make the heat that produces during diode operation and the gas after expanding be dispersed into described terminal box outside, extend the useful life of described terminal box, moistureproof, good water-proof effect, structure is simple, cost-saving.
Accompanying drawing explanation
Fig. 1 is the structural representation of solar junction box of the present invention.
Fig. 2 is the exploded view of solar junction box shown in Fig. 1.
Fig. 3 is the box body structure schematic diagram of solar junction box.
Fig. 4 is the cut-away view of solar junction box shown in Fig. 1.
Embodiment
For feature of the present invention, technological means and the specific purposes reached, function can be understood further, below in conjunction with accompanying drawing and embodiment, the present invention is described in further detail.
As depicted in figs. 1 and 2, solar junction box of the present invention comprises box body 10, cover 20, bottom 30, waterproof jacket 40 and binding post 50, described cover 20 is fastened on the top of box body 10, described binding post 50 is installed in box body 10, and described bottom 30 adopts ultrasonic bonding mode to be fixed on bottom described box body 10.
Shown in Fig. 2, Fig. 3 and Fig. 4, described box body 10 comprises base portion 11 and is shaped in the resettlement section 12 on base portion 11, described resettlement section 12 is provided with second receiving space 121 of an opening towards described bottom 30, described base portion 11 offers first receiving space 111 of an opening towards described cover 20, second receiving space 111 is connected with the first receiving space 121, described binding post 50 is installed in box body 10, be provided with several diodes 60 between described binding post 50, diode 60 is placed in the second receiving space 121.During assembling, pour into casting glue to the second receiving space 121, described diode 60 and binding post 50 form integrative-structure by casting glue, and the space casting glue around diode 60 is filled, both can heat conduction, also have good waterproof and dust-proof effect.
Described binding post 50 two ends are contained in the second receiving space 121 and the first receiving space 111 respectively, described binding post 50 is arranged with shell fragment 70, for compressing solar junction box assembly and carrying out heat conduction to the heat that diode 60 sends, described shell fragment 70 is contained in the first receiving space 111.The spacer 115 of being isolated by binding post 50 is provided with in described first receiving space 111.Two binding posts 50 in described binding post 50 outside described housing 10 connect a cable 80 respectively.
The two ends, lower surface at rear portion, described resettlement section 12 offer storage tank 122, and the two ends of described bottom 30 are respectively equipped with a projection 31 matched with described storage tank 122, and described projection 31 is arranged in described storage tank 122.Described storage tank 122 groove bottom wall offers the first holding hole 123, described projection 31 is provided with second holding hole 311 matched with described first holding hole 123, described first holding hole 123 and the second holding hole 311 are combined to form the solidus hole (figure does not mark) of fixing described cable 80, and described cable 80 is drawn by described solidus hole.
The two ends of described base portion 11 upper surface offer a groove 112 respectively, and on groove 112 cell wall, convex is provided with a fixture block 113, and the lateral surface convex on fixture block 113 top is provided with buckle 114.The bezel ring, 22 that described cover 20 comprises a cover plate 21 and is shaped on cover plate 21, the both sides of described cover plate 21 offer a stopper slot 211 respectively, the cell wall of stopper slot 211 is convexly equipped with a fixture block 212 in stopper slot 211, when described cover 20 is fastened on described box body 10, bezel ring, 22 stretches in the first receiving space 111, described buckle 114 is fastened on described fixture block 212, thus cover plate 21 is covered on box body 10 securely.
More preferably, the air channel 116 be connected with the first receiving space 111 is offered in the middle part of described box body 10 upper surface, bezel ring, 22 lateral surface of described cover 30 is equipped with draw-in groove 221, in the form of a ring, waterproof jacket 40 is sheathed in the draw-in groove 221 of bezel ring, 22 described waterproof jacket 40, during assembling, bezel ring, 22 stretches in the first receiving space 111, waterproof jacket 40 is placed in below air channel 116 in the first receiving space 111 and elasticity is resisted against on box body 10, ensures solar junction box good airproof performance, waterproof and dampproof.
When solar junction box is in running order, solar junction box is snugly installed on the installed surface of solar energy installation component, binding post 50 is made to be in closed state, when diode adstante febre, pair of wire connection terminals 50 carries out heat trnasfer, when binding post 50 temperature is too high, air in box is expanded, larger air pressure is applied to whole terminal box inwall, when air pressure reaches certain value, support cover 20 rear and front end upwards to move, waterproof jacket 40 also upwards moves, air channel 116 is connected with space in the box of solar junction box, thus the heat produced when making diode 60 work and the gas after expanding are dispersed into described terminal box outside, extend the useful life of described terminal box.When temperature in solar junction box box declines, box internal gas pressure reduces, and under the supporting of the outer air pressure of box, cover 20 gets back to original position.
Solar junction box assembling process of the present invention is as follows:
First, cable 80 is connected on described binding post 50, more described diode 60 is welded between described binding post 50, and described binding post 50 and diode 60 are placed in described box body 10; Take second place, in described second receiving space 121, fill casting glue and form encapsulating district; Then, adopt ultrasonic welding process by the welding of described bottom 30 on described box body 10; Finally described cover 20 is loaded onto water proof ring 40, and cover 20 is covered on box body 10.
In sum, solar junction box of the present invention offers the air channel 116 be connected with the first receiving space 111 by box body 10 upper surface, during assembling, bezel ring, 22 stretches in the first receiving space 111, and waterproof jacket 40 is placed in below air channel 10 and elasticity is resisted against on box body 10.When air in box expands, support cover 20 rear and front end upwards to move, waterproof jacket 40 also upwards moves, air channel 116 is connected with space in the box of solar junction box, it is outside that the heat produced when diode 60 is worked and the gas after expanding are dispersed into described terminal box, extends the useful life of described terminal box, moistureproof, good water-proof effect, structure is simple, cost-saving.
The above embodiment only have expressed some embodiments of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as limitation of the scope of the invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with claims.
Claims (6)
1. a solar junction box comprises box body, cover, bottom, waterproof jacket and binding post, described cover is fastened on the top of box body, described binding post is installed in box body, described bottom is fixed on bottom described box body, it is characterized in that: described box body comprises base portion and is shaped in the resettlement section on base portion, described base portion offers first receiving space of an opening towards described cover, base portion upper surface offers the air channel be connected with the first receiving space, the bezel ring, that described cover comprises a cover plate and is shaped on cover plate, described waterproof jacket is sheathed on bezel ring, described bezel ring, stretches in the first receiving space, waterproof is placed in the first receiving space and is placed in below air channel and elasticity is resisted against on box body,
Described resettlement section is provided with second receiving space of an opening towards described bottom, and described binding post two ends are contained in the second receiving space and the first receiving space respectively;
Be provided with several diodes between described binding post, described diode is placed in described second receiving space.
2. solar junction box according to claim 1, it is characterized in that: the two ends of described base portion upper surface offer a groove respectively, on groove cell wall, convex is provided with the first fixture block, the lateral surface convex on described first fixture block top is provided with buckle, the both sides of described cover plate offer a stopper slot respectively, the cell wall of stopper slot is convexly equipped with the second fixture block in stopper slot, and described buckle is fastened on described second fixture block.
3. solar junction box according to claim 1, is characterized in that: described binding post is arranged with shell fragment, and described shell fragment is contained in the first receiving space.
4. solar junction box according to claim 3, is characterized in that: be provided with spacer in described first receiving space.
5. solar junction box according to claim 1, it is characterized in that: the two ends, lower surface at rear portion, described resettlement section offer storage tank, the two ends of described bottom are respectively equipped with a projection matched with described storage tank, and described projection is arranged in described storage tank.
6. solar junction box according to claim 5, it is characterized in that: described storage tank groove bottom wall offers the first holding hole, described projection is provided with second holding hole matched with described first holding hole, and described first holding hole and the second holding hole are combined to form the solidus hole of attached cable line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542286.7A CN102983194B (en) | 2012-12-14 | 2012-12-14 | Solar junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210542286.7A CN102983194B (en) | 2012-12-14 | 2012-12-14 | Solar junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102983194A CN102983194A (en) | 2013-03-20 |
| CN102983194B true CN102983194B (en) | 2015-09-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210542286.7A Expired - Fee Related CN102983194B (en) | 2012-12-14 | 2012-12-14 | Solar junction box |
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| Country | Link |
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| CN (1) | CN102983194B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110086423A (en) * | 2019-06-04 | 2019-08-02 | 苏州快可光伏电子股份有限公司 | Terminal box is used in a kind of power generation of large power high efficiency photovoltaic module |
| CN111969946B (en) * | 2019-12-12 | 2021-11-12 | 杭州雅洲智能科技有限公司 | Solar photovoltaic junction box |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201829512U (en) * | 2010-08-30 | 2011-05-11 | 江阴市万事兴汽车部件制造有限公司 | Solar photovoltaic terminal box |
| CN102420266A (en) * | 2011-12-06 | 2012-04-18 | 东莞市泽润电子科技有限公司 | Solar terminal box |
| CN202405291U (en) * | 2012-01-09 | 2012-08-29 | 久知（吴江）新能源有限公司 | Liquid/gas filled photovoltaic junction box |
| CN203165917U (en) * | 2012-12-14 | 2013-08-28 | 东莞市泽润电子科技有限公司 | Solar energy junction box |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7833033B2 (en) * | 2008-04-16 | 2010-11-16 | Molex Incorporated | Solar panel junction box and components thereof |
-
2012
- 2012-12-14 CN CN201210542286.7A patent/CN102983194B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201829512U (en) * | 2010-08-30 | 2011-05-11 | 江阴市万事兴汽车部件制造有限公司 | Solar photovoltaic terminal box |
| CN102420266A (en) * | 2011-12-06 | 2012-04-18 | 东莞市泽润电子科技有限公司 | Solar terminal box |
| CN202405291U (en) * | 2012-01-09 | 2012-08-29 | 久知（吴江）新能源有限公司 | Liquid/gas filled photovoltaic junction box |
| CN203165917U (en) * | 2012-12-14 | 2013-08-28 | 东莞市泽润电子科技有限公司 | Solar energy junction box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102983194A (en) | 2013-03-20 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150916 Termination date: 20151214 |
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| EXPY | Termination of patent right or utility model |