CN102983194A - Solar connecting box - Google Patents
Solar connecting box Download PDFInfo
- Publication number
- CN102983194A CN102983194A CN2012105422867A CN201210542286A CN102983194A CN 102983194 A CN102983194 A CN 102983194A CN 2012105422867 A CN2012105422867 A CN 2012105422867A CN 201210542286 A CN201210542286 A CN 201210542286A CN 102983194 A CN102983194 A CN 102983194A
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- China
- Prior art keywords
- box body
- receiving space
- cover
- box
- junction box
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- 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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- 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 invention discloses a solar connecting box which comprises a box body, a bottom cover, a surface cover, connecting terminals and a waterproof sleeve, wherein the surface cover is buckled at the upper part of the box body; the connecting terminals are mounted in the box body; and the bottom cover is fixed at the bottom of the box body. The box body comprises a base part and an accommodation part integrally formed on the base part, wherein the base part is provided with a first accommodation space with an opening facing towards the surface cover; and a vent groove communicated with the first accommodation space is formed on the upper end face of the base part. The surface cover comprises a cover plate and a cover ring integrally formed on the cover plate, wherein the cover ring is sleeved with the waterproof sleeve; the cover ring extends into the first accommodation space; and the waterproof sleeve is accommodated below the vent groove and pushes against the box body elastically. When air in the box expands, the air pushes against the front end and the rear end of the surface cover to move upwards, the waterproof sleeve also moves upwards, so that the vent groove is communicated with an inner box space of the solar connecting box, and heat generated in the working process of diodes and the expanded air are emitted out of the connecting box; the service life of the connecting box is prolonged; and moistureproof and waterproof effects are good.
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, the heliotechnics development is rapid, and solar junction box is widely used in the connection in the various sun-generated electric power devices as the critical piece of sun-generated electric power.
Along with science and technology is constantly progressive, electrical connection to solar module requires also more and more higher, the internal heat dissipating problem of solar junction box is one of major consideration of its design always, at present, the case material of the used terminal box of the housing of the used terminal box of solar power system generally uses engineering plastics to make on the market, connected mode between the conductor mainly is contact, terminal box is lower in working order, the diode of enclosure interior can produce a large amount of heat energy, heat is passed to housing by air transmitted in the housing and convection current, housing is again by conducting thermal release, but because the poor thermal conductivity of air and plastics, heat in the housing can not in time discharge, caused the temperature in the housing constantly to raise, so that at high temperature work and reduced useful life in the long-term place of diode, excessive temperature very easily causes the solar junction box distortion simultaneously, accelerate the aging of housing, shortened the useful life of product.
In order to address the above problem, directly increase radiator or connector cover in the existing solar junction box and offer air-vent to help the electric elements heat radiation, but the problem that exists like this is exactly, radiator can not pass to heat outside the terminal box, so radiating effect is limited, long-term use also has the risk of thermal accumlation, has increased simultaneously the cost of terminal box.Offer air-vent to help the electric elements heat radiation, affect its running in order to avoid cause the heat concentrations, although some lid can play thermolysis, how out of doors solar junction box, therefore the effect of its waterproof is but very low, is easy to cause the whole damage of solar junction box.
Summary of the invention
Based on this, be necessary the problem for the existence of above-mentioned background technology, the solar junction box of a kind of protection against the tide, waterproof, good heat dissipation effect is provided.
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 the box body, described bottom is fixed in described box body bottom, described box body comprises base portion and is shaped in resettlement section on the base portion, described base portion offers an opening towards the first receiving space of described cover, the base portion upper surface offers the air channel that is connected with the first receiving space, described cover comprises a cover plate and is shaped in bezel ring, on the cover plate, waterproof jacket is sheathed on the bezel ring,, described bezel ring, stretches in the first receiving space, and waterproof is placed in and is placed in air channel below in the first receiving space and elasticity is resisted against on the box body.
Therein among embodiment, the two ends of described base portion upper surface offer respectively a groove, convex is provided with a fixture block on the groove cell wall, the lateral surface convex on fixture block top is provided with buckle, the both sides of described cover plate offer respectively a stopper slot, the cell wall of stopper slot convexes with a fixture block in stopper slot, described buckle is fastened on the described fixture block.
Among embodiment, described resettlement section is provided with an opening towards the second receiving space of described bottom therein, and described binding post two ends are contained in respectively in the second receiving space and the first receiving space,
Among embodiment, be arranged with shell fragment on the described binding post therein, described shell fragment is contained in the first receiving space.
Therein among embodiment, spacer in described the first receiving space.
Among embodiment, the two ends, lower surface at rear portion, described resettlement section offer storage tank therein, and the two ends of described bottom are respectively equipped with a projection that is complementary with described storage tank, and described projection is arranged in the described storage tank.
Therein among embodiment, described storage tank bottom land wall offers the first holding hole, described projection is provided with second holding hole that is complementary with described the first holding hole, and described the 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 that is connected with the first receiving space by the box body upper surface, and during assembling, bezel ring, stretches in the first receiving space, and the waterproof jacket position is placed in the air channel below and elasticity is resisted against on the box body.When air in the box expands, supporting the cover rear and front end upwards moves, waterproof jacket also upwards moves, so that air channel is connected with the interior space of the box of solar junction box, it is outside that loose gas after the heat that produces when making diode operation and the expansion is dealt into described terminal box, prolongs the useful life of described terminal box, moistureproof, good water-proof effect, simple in structure, save cost.
Description of drawings
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 Figure 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 Figure 1.
Embodiment
For further understanding feature of the present invention, technological means and the specific purposes that reach, function, 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 the box body 10, and described bottom 30 adopts the ultrasonic bonding mode to be fixed in described box body 10 bottoms.
Fig. 2, Fig. 3 and shown in Figure 4, described box body 10 comprises base portion 11 and is shaped in resettlement section 12 on the base portion 11, described resettlement section 12 is provided with an opening towards the second receiving space 121 of described bottom 30, described base portion 11 offers an opening towards the first receiving space 111 of described cover 20, the second receiving space 111 and the first receiving space 121 are connected, described binding post 50 is installed in the box body 10, be provided with several diodes 60 between the described binding post 50, diode 60 is placed in the second receiving space 121.During assembling, to the second receiving space 121 perfusion casting glues, described diode 60 and binding post 50 form integrative-structure by casting glue, and fill with casting glue in the space around the diode 60, both can heat conduction, also have good waterproof and dust-proof effect.
Described binding post 50 two ends are contained in respectively in the second receiving space 121 and the first receiving space 111, be arranged with shell fragment 70 on the described binding post 50, the heat that is used for compressing the solar junction box assembly and diode 60 is sent carries out heat conduction, and described shell fragment 70 is contained in the first receiving space 111.Be provided with the spacer 115 with binding post 50 isolation in described the first receiving space 111.Two binding posts 50 near described housing 10 outsides in the described binding post 50 connect respectively a cable 80.
The two ends, lower surface at 12 rear portions, described resettlement section offer storage tank 122, and the two ends of described bottom 30 are respectively equipped with a projection 31 that is complementary with described storage tank 122, and described projection 31 is arranged in the described storage tank 122.Described storage tank 122 bottom land walls offer the first holding hole 123, described projection 31 is provided with second holding hole 311 that is complementary with described the first holding hole 123, described the first holding hole 123 and the second holding hole 311 are combined to form the solidus hole (figure is mark not) of fixing described cable 80, and described cable 80 is drawn by described solidus hole.
The two ends of described base portion 11 upper surfaces offer respectively a groove 112, and convex is provided with a fixture block 113 on groove 112 cell walls, and the lateral surface convex on fixture block 113 tops is provided with buckle 114.Described cover 20 comprises a cover plate 21 and is shaped in bezel ring, 22 on the cover plate 21, the both sides of described cover plate 21 offer respectively a stopper slot 211, the cell wall of stopper slot 211 convexes with a fixture block 212 in stopper slot 211, when described cover 20 is fastened on the described box body 10, bezel ring, 22 stretches in the first receiving space 111, described buckle 114 is fastened on the described fixture block 212, thereby so that cover plate 21 be covered on securely on the box body 10.
More preferably, middle part, described box body 10 upper surfaces offers the air channel 116 that is connected with the first receiving space 111, bezel ring, 22 lateral surfaces of described cover 30 are equipped with draw-in groove 221, described waterproof jacket 40 in the form of a ring, waterproof jacket 40 is sheathed in the draw-in groove 221 of bezel ring, 22, during assembling, bezel ring, 22 stretches in the first receiving space 111, waterproof jacket 40 is placed in air channel 116 belows in the first receiving space 111 and elasticity is resisted against on the box body 10, guarantees the solar junction box good airproof performance, and is waterproof and dampproof.
When solar junction box is in running order, solar junction box snugly is installed on the installed surface of solar energy installation component, make binding post 50 be in closed state, when the diode adstante febre, pair of wire connection terminals 50 is carried out heat transmission, when binding post 50 excess Temperature, so that air expands in the box, whole terminal box inwall is applied larger air pressure, when air pressure reaches certain value, supporting cover 20 rear and front ends upwards moves, waterproof jacket 40 also upwards moves, so that the space is connected in the box of air channel 116 and solar junction box, thus the heat that produces when making diode 60 work and expand after loose gas to be dealt into described terminal box outside, prolong the useful life of described terminal box.When in the solar junction box box during drop in temperature, the box internal gas pressure reduces, and under the supporting of air pressure, cover 20 is got back to original position outside box.
Solar junction box assembling process of the present invention is as follows:
At first, cable 80 is connected on the described binding post 50, more described diode 60 is welded between the described binding post 50, and described binding post 50 and diode 60 are placed in the described box body 10; Take second place, fill casting glue in described the second receiving space 121 and form the encapsulating district; Then, adopt ultrasonic welding process with described bottom 30 weldings on described box body 10; At last described cover 20 is loaded onto water proof ring 40, and cover 20 is covered on the box body 10.
In sum, solar junction box of the present invention offers the air channel 116 that is connected with the first receiving space 111 by box body 10 upper surfaces, during assembling, bezel ring, 22 stretches in the first receiving space 111, and waterproof jacket 40 is placed in air channel 10 belows and elasticity is resisted against on the box body 10.When air in the box expands, supporting cover 20 rear and front ends upwards moves, waterproof jacket 40 also upwards moves, so that air channel 116 is connected with the interior space of the box of solar junction box, it is outside that the heat that produces when making diode 60 work and the loose gas after the expansion are dealt into described terminal box, prolongs the useful life of described terminal box, moistureproof, good water-proof effect, simple in structure, save cost.
The above embodiment has only expressed part execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as limitation of the scope of the invention.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 (7)
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 the box body, described bottom is fixed in described box body bottom, it is characterized in that: described box body comprises base portion and is shaped in resettlement section on the base portion, described base portion offers an opening towards the first receiving space of described cover, the base portion upper surface offers the air channel that is connected with the first receiving space, described cover comprises a cover plate and is shaped in bezel ring, on the cover plate, described waterproof jacket is sheathed on the bezel ring,, described bezel ring, stretches in the first receiving space, and waterproof is placed in and is placed in air channel below in the first receiving space and elasticity is resisted against on the box body.
2. solar junction box according to claim 1, it is characterized in that: the two ends of described base portion upper surface offer respectively a groove, convex is provided with a fixture block on the groove cell wall, the lateral surface convex on fixture block top is provided with buckle, the both sides of described cover plate offer respectively a stopper slot, the cell wall of stopper slot convexes with a fixture block in stopper slot, described buckle is fastened on the described fixture block.
3. solar junction box according to claim 1, it is characterized in that: described resettlement section is provided with an opening towards the second receiving space of described bottom, and described binding post two ends are contained in respectively in the second receiving space and the first receiving space.
4. solar junction box according to claim 3, it is characterized in that: be arranged with shell fragment on the described binding post, described shell fragment is contained in the first receiving space.
5. solar junction box according to claim 4 is characterized in that: be provided with spacer in described the first receiving space.
6. 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 that is complementary with described storage tank, and described projection is arranged in the described storage tank.
7. solar junction box according to claim 1, it is characterized in that: described storage tank bottom land wall offers the first holding hole, described projection is provided with second holding hole that is complementary with described the first holding hole, and described the first holding hole and the second holding hole are combined to form the solidus hole of fixing described cable.
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 true CN102983194A (en) | 2013-03-20 |
| CN102983194B CN102983194B (en) | 2015-09-16 |
Family
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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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102983194B (en) |
Cited By (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 |
| CN111969946A (en) * | 2019-12-12 | 2020-11-20 | 蔡禹泽 | Solar photovoltaic junction box |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090260676A1 (en) * | 2008-04-16 | 2009-10-22 | Molex Incorporated | Solar panel junction box and components thereof |
| 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 |
-
2012
- 2012-12-14 CN CN201210542286.7A patent/CN102983194B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090260676A1 (en) * | 2008-04-16 | 2009-10-22 | Molex Incorporated | Solar panel junction box and components thereof |
| 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 |
Cited By (3)
| 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 |
| CN111969946A (en) * | 2019-12-12 | 2020-11-20 | 蔡禹泽 | Solar photovoltaic junction box |
| CN111969946B (en) * | 2019-12-12 | 2021-11-12 | 杭州雅洲智能科技有限公司 | Solar photovoltaic junction box |
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| Publication number | Publication date |
|---|---|
| CN102983194B (en) | 2015-09-16 |
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| C14 | Grant of patent or utility model | ||
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| 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 |