CN100592595C - Solar photovoltaic metallic wiring box - Google Patents
Solar photovoltaic metallic wiring box Download PDFInfo
- Publication number
- CN100592595C CN100592595C CN200810081403A CN200810081403A CN100592595C CN 100592595 C CN100592595 C CN 100592595C CN 200810081403 A CN200810081403 A CN 200810081403A CN 200810081403 A CN200810081403 A CN 200810081403A CN 100592595 C CN100592595 C CN 100592595C
- Authority
- CN
- China
- Prior art keywords
- solar photovoltaic
- diode
- aluminum alloy
- terminal box
- metallic wiring
- 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
- 229910000838 Al alloy Inorganic materials 0.000 claims abstract description 35
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 17
- 239000004033 plastic Substances 0.000 claims description 8
- 230000010354 integration Effects 0.000 claims description 6
- 230000005855 radiation Effects 0.000 claims description 6
- 239000012528 membrane Substances 0.000 claims description 4
- 230000002787 reinforcement Effects 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 20
- 238000009413 insulation Methods 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract 4
- 239000002184 metal Substances 0.000 abstract 4
- 239000004020 conductor Substances 0.000 abstract 2
- 230000008030 elimination Effects 0.000 abstract 2
- 238000003379 elimination reaction Methods 0.000 abstract 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000005538 encapsulation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000001149 thermolysis Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
- H02S40/345—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box
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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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention relates to a solar energy power source component, in particular to a solar photovoltaic metal junction box with much better safety. The solar photovoltaic metal junction box comprises ajunction box body, a cable conductor and a cable connector; the cable conductor and the cable connector are connected with the exterior of the junction box; the junction body is internally provided with a connecting terminal and a plurality of diodes; the connecting terminal is connected with the diode by wires; the upper end of the junction box is provided with an upper cover. The solar photovoltaic metal junction box is characterized in that the exterior of the junction box body is provided with an aluminium alloy shell; the diodes in the junction box body are embedded in the inner wall of the aluminium alloy shell; an annular nonmetal inner shell is sheathed between the diodes and the connecting terminal; a heat elimination cavity body is arranged between the aluminium alloy shell and the annular nonmetal inner shell. The solar photovoltaic metal junction box is characterized by good waterproof and moistureproof effects, obvious heat elimination effect, good effects of overpressure-proof and insulation, high strength of products, simple structure and reasonable design.
Description
Technical field
The present invention relates to a kind of solar-electricity source component, especially relate to the better solar photovoltaic metallic wiring box of a kind of fail safe.
Background technology
As everyone knows, the solar photovoltaic assembly terminal box comprises terminal box, cable, cable connector, as the critical piece of sun-generated electric power, is widely used in the various sun-generated electric power devices.Owing in this terminal box appliance component is housed, therefore just require the solar photovoltaic assembly terminal box must have waterproof, moisture-proof function, and for the function and the useful life of improving appliance component wherein, must to breathe freely in the terminal box, the heat that produces in its work is distributed, because the binding post in the terminal box links to each other with busbar, terminal box must be carried out withstand voltage, Insulation Test.
Chang Gui solar photovoltaic assembly terminal box is plastic casing and plastic box cover composition in the market, appliance component is installed on the plastic casing, the by-pass diode of groundwork all adopts the silicon rectifier diode or the special based diode of nitre of cylindric encapsulation, since its electric current that can carry of diode package characteristic all about 10A and when work heating bigger, its heat radiation is limited though overall plastic terminal box is provided with fin, high temperature makes the binding post in the plastic junction box deform easily and melts, and diode carrying deficiency causes damage, can not satisfy the growth requirement of solar photovoltaic assembly terminal box.
Summary of the invention
The present invention mainly is the technical problem poor at the existing in prior technology waterproof moisture-proof effect, that radiating effect is not obvious, withstand voltage insulation effect is bad, product strength is low etc., and the solar photovoltaic metallic wiring box that a kind of waterproof moisture-proof effect is good, radiating effect is obvious, withstand voltage insulation effect is good, product strength is high is provided.
Above-mentioned technical problem of the present invention is mainly solved by following technical proposals: a kind of solar photovoltaic metallic wiring box, comprise outside cable and the cable connector that connects of terminal box main body and terminal box, be provided with binding post and several diodes in the terminal box main body, be connected by electric wire between diode and the binding post, terminal box main body upper end is provided with loam cake, the outer setting that it is characterized in that described terminal box main body has aluminum alloy casing, diode in the terminal box main body is embedded at the aluminum alloy casing inwall, be arranged with a nonmetal inner casing of ring-type between diode and the binding post, be provided with heat-dissipating cavity between the nonmetal inner casing of described aluminum alloy casing and ring-type.Binding post is installed in the insulated non-metal inner casing of ring-type, can prevents effectively that binding post is broken down by high-voltage, and has increased its fail safe greatly when carrying out withstand voltage, Insulation Test; The heat-dissipating cavity that is provided with between the nonmetal inner casing of aluminum alloy casing and ring-type plays heat radiation function effectively, prevents that diode Yin Wendu is too high, radiating effect difference and the component wear that causes, and it is reasonable in design, simple in structure.
As preferably, the surface of described loam cake and heat-dissipating cavity opposite position offer air vent hole, and the air vent hole surface is provided with ventilated membrane.Air vent hole is opened in cap surface and heat-dissipating cavity opposite position, can directly the hot gas in the heat-dissipating cavity be discharged solar photovoltaic metallic wiring box, radiating effect is obvious, and ventilated membrane has played the effect that the ventilation of dispelling the heat prevents fluid seepage, and rubber that its surface is provided with has played the effect of sealing.
As preferably, the skin of described diode is arranged with rubber sheath, and the rubber sheath arranged outside has the diode deck, is connected with elastic pressuring plate on the described diode deck, and the elastic pressuring plate side is fixed with limited post.The rubber sheath of high pressure resistant heat conduction directly contacts the fin on the diode with the aluminum alloy casing of terminal box, the heat that produces when making diode operation distributes effectively by aluminum alloy casing; Diode is fixed in the diode deck, the elastic pressuring plate that connects on the diode deck tightly is fixed on the aluminum alloy casing inwall with diode, the limited post assistant spring compressing tablet of elastic pressuring plate side plays the effect of fixed limit, has thoroughly solved the heat dissipation problem of big-power solar photovoltaic module plate with terminal box.
As preferably, described rubber sheath and aluminum alloy casing contact position are chamfering structure, and the aluminum alloy casing inwall is provided with 1-4 diode deck.Rational in infrastructure, can at utmost settle diode, solved effectively because of diode carrying deficiency causes damage, can't satisfy the technical problem of solar photovoltaic assembly terminal box growth requirement.
As preferably, the outer wall of described aluminum alloy casing is provided with some fin; The nonmetal inner casing of described ring-type adopts plastic material to be made into integration.Its radiating effect is obvious, and is rational in infrastructure.
As preferably, pass through the soket head cap screw sealing and fixing between described loam cake and the terminal box main body, described soket head cap screw end is provided with the anticreep rubber ring.It is reasonable in design, simple in structure, make be connected between aluminium alloy loam cake and the terminal box main body more firm.
As preferably, described loam cake adopts aluminum alloy materials to be made into integration, and its upper surface is provided with some heat radiation reinforcements.The heat radiation reinforcement had both increased its product strength, can play thermolysis again, and it is simple in structure, reasonable in design.
As preferably, be provided with the ring-type clip on the described aluminum alloy casing, the base portion of described clip and aluminum alloy casing outer surface connect as one.The ring-type clip plays the effect that installs and fixes, and it is rational in infrastructure, and is easy for installation.
As preferably, described nonmetal inner casing is provided with several electric wire connecting holes, and the electric wire on the diode passes the electric wire connecting hole and is connected with binding post.Under the prerequisite that does not influence nonmetal inner casing protection effect, guaranteed that again being connected of circuit between diode and the binding post is unobstructed, it is rational in infrastructure, design is ingenious.
As preferably, the bottom of described terminal box main body is provided with cable and connects deck, and described cable connects deck by cable and is connected with the terminal box main body.Cable connects deck and has guaranteed that cable is connected firmly with the terminal box main body.
Therefore, the present invention has that waterproof moisture-proof effect is good, radiating effect is obvious, withstand voltage insulation effect is good, product strength is high, characteristics simple in structure, reasonable in design.
Description of drawings
Accompanying drawing 1 is a kind of structural front view of the present invention.
Accompanying drawing 2 is a kind of structure vertical views of upper cover part among the present invention.
Accompanying drawing 3 is a kind of structure cutaway views of soket head cap screw part among the present invention.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, technical scheme of the present invention is described in further detail.
Embodiment 1:
A kind of solar photovoltaic metallic wiring box, comprise outside cable 12 and the cable connector 13 that connects of terminal box main body 11 and terminal box, be provided with binding post and several diodes in the terminal box main body, be connected by electric wire 21 between diode and the binding post, terminal box main body upper end is provided with loam cake 2, terminal box main body outer setting has aluminum alloy casing 5, and the outer wall of aluminum alloy casing is provided with some fin 7.Diode 6 in the terminal box main body is embedded at the aluminum alloy casing inwall, and the diode skin is arranged with rubber sheath, and the rubber sheath arranged outside has diode deck 16, is connected with elastic pressuring plate 17 on the diode deck, and the elastic pressuring plate side is fixed with limited post 18.Rubber sheath and aluminum alloy casing contact position are chamfering structure, and the aluminum alloy casing inwall is provided with 3 diode decks.Be arranged with a nonmetal inner casing 1 of ring-type between diode and the binding post 14, be provided with heat-dissipating cavity 15 between the nonmetal inner casing of aluminum alloy casing and ring-type.Last cap surface and heat-dissipating cavity opposite position offer air vent hole 3, and the air vent hole surface is provided with ventilated membrane 4.By soket head cap screw 8 sealing and fixing, the soket head cap screw end is provided with anticreep rubber ring 9 between loam cake and the terminal box main body.Loam cake adopts aluminum alloy materials to be made into integration, and its upper surface is provided with some heat radiation reinforcements 10.The nonmetal inner casing of ring-type adopts plastic material to be made into integration.The aluminum alloy casing upper end is provided with ring-type clip 19, and the base portion of clip and aluminum alloy casing outer surface connect as one.Nonmetal inner casing is provided with several electric wire connecting holes 20, and the electric wire on the diode passes the electric wire connecting hole and is connected with binding post.Terminal box main body bottom is provided with cable and connects deck 22, and cable connects deck by cable and is connected with the terminal box main body.
In rated voltage is 1000VDC, rated current is 16A, the environment for use temperature is that this solar photovoltaic metallic wiring box satisfies the quality requirement that degree of protection is IP67 fully, and has thoroughly solved the heat dissipation problem of big-power solar photovoltaic module terminal box under-40 ℃～85 ℃ the working condition.
Claims (10)
1. solar photovoltaic metallic wiring box, comprise outside cable (12) and the cable connector (13) that connects of terminal box main body (11) and terminal box, be provided with binding post and several diodes in the terminal box main body, be connected by electric wire (21) between diode and the binding post, terminal box main body upper end is provided with loam cake (2), the outer setting that it is characterized in that described terminal box main body has aluminum alloy casing (5), diode (6) in the terminal box main body is embedded at the aluminum alloy casing inwall, be arranged with a nonmetal inner casing of ring-type (1) between diode and the binding post (14), be provided with heat-dissipating cavity (15) between the nonmetal inner casing of described aluminum alloy casing and ring-type.
2. solar photovoltaic metallic wiring box according to claim 1 is characterized in that the surface of described loam cake and heat-dissipating cavity opposite position offer air vent hole (3), and the air vent hole surface is provided with ventilated membrane (4).
3. solar photovoltaic metallic wiring box according to claim 1 and 2, the skin that it is characterized in that described diode is arranged with rubber sheath, the rubber sheath arranged outside has diode deck (16), be connected with elastic pressuring plate (17) on the described diode deck, the elastic pressuring plate side is fixed with limited post (18).
4. solar photovoltaic metallic wiring box according to claim 3 is characterized in that described rubber sheath and aluminum alloy casing contact position are chamfering structure, and the aluminum alloy casing inwall is provided with 1-4 diode deck.
5. solar photovoltaic metallic wiring box according to claim 1 and 2 is characterized in that the outer wall of described aluminum alloy casing is provided with some fin (7); The nonmetal inner casing of described ring-type adopts plastic material to be made into integration.
6. solar photovoltaic metallic wiring box according to claim 1 and 2 is characterized in that passing through soket head cap screw (8) sealing and fixing between described loam cake and the terminal box main body, and described soket head cap screw end is provided with anticreep rubber ring (9).
7. solar photovoltaic metallic wiring box according to claim 1 and 2 is characterized in that described loam cake adopts aluminum alloy materials to be made into integration, and its upper surface is provided with some heat radiation reinforcements (10).
8. solar photovoltaic metallic wiring box according to claim 1 and 2 is characterized in that described aluminum alloy casing upper end is provided with ring-type clip (19), and the base portion of described clip and aluminum alloy casing outer surface connect as one.
9. solar photovoltaic metallic wiring box according to claim 1 and 2 is characterized in that described nonmetal inner casing is provided with several electric wire connecting holes (20), and the electric wire on the diode passes the electric wire connecting hole and is connected with binding post.
10. solar photovoltaic metallic wiring box according to claim 1 and 2 is characterized in that the bottom of described terminal box main body is provided with cable connection deck (22), and described cable connects deck by cable and is connected with the terminal box main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810081403A CN100592595C (en) | 2007-07-27 | 2008-02-15 | Solar photovoltaic metallic wiring box |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200720112716.6 | 2007-07-27 | ||
| CN200720112716 | 2007-07-27 | ||
| CN200810081403A CN100592595C (en) | 2007-07-27 | 2008-02-15 | Solar photovoltaic metallic wiring box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101286626A CN101286626A (en) | 2008-10-15 |
| CN100592595C true CN100592595C (en) | 2010-02-24 |
Family
ID=40058660
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200066278U Expired - Fee Related CN201181914Y (en) | 2007-07-27 | 2008-02-15 | Solar photovoltaic metal junction box |
| CN200810081403A Expired - Fee Related CN100592595C (en) | 2007-07-27 | 2008-02-15 | Solar photovoltaic metallic wiring box |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200066278U Expired - Fee Related CN201181914Y (en) | 2007-07-27 | 2008-02-15 | Solar photovoltaic metal junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN201181914Y (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101630821B (en) * | 2009-07-31 | 2011-10-19 | 刘绍东 | Magnesium-aluminum alloy photovoltaic cell junction box |
| CN102035157B (en) * | 2009-09-25 | 2013-02-27 | 无锡尚德太阳能电力有限公司 | Junction box for solar cell module and solar cell module |
| CN102104348B (en) * | 2009-12-22 | 2013-04-17 | 泰科电子(上海)有限公司 | Solar photovoltaic junction box component |
| CN101783488B (en) * | 2010-01-19 | 2012-01-04 | 浙江大学 | Separating type solar assembly junction box |
| CN101741034B (en) * | 2010-02-08 | 2011-11-30 | 许建方 | Solar junction box |
| CN101847850A (en) * | 2010-05-17 | 2010-09-29 | 昆山光翼光伏科技有限公司 | Junction box of solar module |
| CN101944866B (en) * | 2010-09-15 | 2012-08-22 | 苏州快可光伏电子股份有限公司 | Glue-filling waterproof photovoltaic junction box |
| CN102447423A (en) * | 2010-10-13 | 2012-05-09 | 浙江鑫顺光伏科技有限公司 | Junction box of solar battery assembly |
| CN102097508A (en) * | 2010-11-11 | 2011-06-15 | 苏州快可光伏电子股份有限公司 | Integrated fast-connection photovoltaic junction box |
| CN103035764B (en) * | 2012-11-15 | 2015-10-28 | 宁夏银星能源光伏发电设备制造有限公司 | BIPV photovoltaic module breathing pattern photovoltaic junction box |
| CN104682860A (en) * | 2013-11-26 | 2015-06-03 | 江苏新大陆太阳能电力有限公司 | Solar photovoltaic junction box |
| CN105281659B (en) * | 2015-03-12 | 2018-01-09 | 常州天合光能有限公司 | A kind of heat radiating type intelligent wiring box |
| CN106876226A (en) * | 2015-12-14 | 2017-06-20 | 比亚迪股份有限公司 | Water-proof safety box and the vehicle with it |
| CN108493869A (en) * | 2018-05-29 | 2018-09-04 | 上海秦兰电气系统工程有限公司 | A kind of IP68 waterproof junction boxes |
| CN109121335B (en) * | 2018-09-19 | 2023-09-22 | 天津凌英科技有限公司 | External protection device of 1553B bus analyzer |
-
2008
- 2008-02-15 CN CNU2008200066278U patent/CN201181914Y/en not_active Expired - Fee Related
- 2008-02-15 CN CN200810081403A patent/CN100592595C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN201181914Y (en) | 2009-01-14 |
| CN101286626A (en) | 2008-10-15 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NINGBO ECONOMIC + TECHNICAL DEVELOPMENT ZONE HENGD Free format text: FORMER OWNER: HE XINGPING Effective date: 20101207 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101207 Address after: 315800 Hengda Electrical Appliance Co., Ltd., No. 58, Chengnan South Road, Dagang industry, Ningbo, Zhejiang, Beilun Patentee after: Ningbo Economic & Technical Development Zone Hengda Electrical Co., Ltd. Address before: 315800 Hengda Electrical Appliance Co., Ltd., No. 58, Chengnan South Road, Dagang industry, Ningbo, Zhejiang, Beilun Patentee before: He Xingping |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100224 Termination date: 20150215 |
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| EXPY | Termination of patent right or utility model |