CN201590631U - Photovoltaic cell junction box made of magnesium aluminum alloy - Google Patents
Photovoltaic cell junction box made of magnesium aluminum alloy Download PDFInfo
- Publication number
- CN201590631U CN201590631U CN200920307228XU CN200920307228U CN201590631U CN 201590631 U CN201590631 U CN 201590631U CN 200920307228X U CN200920307228X U CN 200920307228XU CN 200920307228 U CN200920307228 U CN 200920307228U CN 201590631 U CN201590631 U CN 201590631U
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- main body
- box main
- terminal box
- junction box
- photovoltaic cell
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- Expired - Lifetime
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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
Abstract
The utility model relates to a solar energy power source component, in particular to a photovoltaic cell junction box made of magnesium aluminum alloy and plastic. The photovoltaic cell junction box comprises a junction box main body and a top cover plate arranged above the junction box main body, wherein, a cable is connected with the exterior of the junction box main body; and a plurality of diodes are arranged in the junction box main body. The junction box is characterized in that the diodes are clamped and arranged on a diode connecting seat; a metal casing is sleeved on the junction box main body; a circulation air passage is formed between the metal casing and the junction box main body; a breathing hole is formed on the metal casing; and a plurality of air outlet holes are formed on the side walls of the junction box main body respectively. The utility model has the advantages of good radiating effect, low ageing probability, low deformable probability, long service life, and the like.
Description
Technical field
The utility model relates to a kind of solar-electricity source component, especially relates to a kind of photovoltaic cell junction box that adopts magnadure and plastics to make.
Background technology
Existing 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, gas in the terminal box must will circulate, 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 mostly is plastic resin PPO housing greatly 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.
For example the patent No. is the Wiring box for solar photovoltaic electrification component of CN200956371, has comprised housing and the lid that is arranged on the housing, and conducting strip and bypass diode are installed in the housing, and housing is provided with radiator.Though the housing of this utility model can play certain thermolysis, guarantee solar energy power generating crystal silicon plate trouble free service, this overall plastic terminal box shell radiating effect is limited, insulation effect is poor, and easy aging, yielding, useful life is shorter.
Summary of the invention
The utility model mainly be not good at the existing in prior technology radiating effect, easily aging, yielding, useful life short etc. technical problem, the magnesium-aluminum alloy photovoltaic cell junction box of a kind of good heat dissipation effect, difficult aging, not yielding, long service life is provided.
Above-mentioned technical problem of the present utility model is mainly solved by following technical proposals: a kind of magnesium-aluminum alloy photovoltaic cell junction box, the lamina tecti that comprises the terminal box main body and be arranged on terminal box main body top, the terminal box main body is externally connected with cable, be provided with several diodes in the terminal box main body, it is characterized in that described diode is fastened on the diode Connection Block, terminal box main body outer cover is provided with metal shell, leave the circulation air flue between described metal shell and the terminal box main body, offer air vent hole on the metal shell, offer several ventholes on the sidewall of described terminal box main body respectively.Metal shell of the present utility model shields, and makes the terminal box main body improve insulation property, around shell and the terminal box main body between invention leave 4mm circulation air flue, be provided with fin between inside and outside, its heat-dissipating space is big; Leave two groups of convection current air vent holes on the terminal box main body, air vent hole is provided with the ventilation radiating protective film, guarantees the heat radiation ventilation, can not leak and make moist.Shell is provided with one group of protection fenestra; directly lead to outside the shell; with the inner box circulation; two circulations of science have been used; long-time perfect heat-dissipating; can guarantee that electronic original part and diode are worked in the terminal box battery connector in suitable operational environment, prolong electronic component and diode useful life.
As preferably, described terminal box main body top is provided with the box body cover plate, be provided with seal washer I between box body cover plate and the terminal box main body, described box body cover plate top is connected by plugging together structure with lamina tecti, is provided with seal washer II between described box body cover plate and the lamina tecti.Adopted the protection of two seals packing ring to handle, first road is handled for the side type seal washer; Second road is that lenticular crush seal is handled, and each self seals of two boxes more can reach seal request.Make interior electronic original part of junction box connector and diode that very reliable stable operational environment has been arranged like this, will not improve working efficiency because of the phenomenons such as causing electric leakage, short circuit that enters of rainwater and humid air.
As preferably, the described structure that plugs together is that the lamina tecti lower surface is provided with some swallow-tail form convex tendons, and box body cover plate top surface is provided with and the corresponding dovetail groove of convex tendon.Pull out aviation magnalium material and cooperate with polyester PPO cover plate employing male and female skewed slot sliding cover type with squeezing between lamina tecti and the box body cover plate, two cover together, rational in infrastructure, and intensity is good, good seal performance.
As preferably, described terminal box main body outer wall is provided with some spacer bars, is fixed with some reinforcements on the inwall of terminal box main body.Some spacer bars that are provided with on the terminal box main body outer wall will be separated out the circulation air flue between terminal box main body and the metal shell; This structure external form is firm, and long-time perfect heat-dissipating can guarantee that electronic original part and diode are worked in the terminal box battery connector in suitable operational environment, prolongs electronic component and diode useful life.
As preferably, described lamina tecti and metal shell all adopt the magnadure manufacturing, and described metal shell side is respectively arranged with some fin.The aeronautical material photovoltaic cell junction box connector that magnadure is made, material is light, intensity is hard, rapid heat dissipation, can guarantee diode operate as normal in high hot, high and cold, high moist various adverse circumstances.The aviation magnadure has been protected polyester PPO inner box as lamina tecti and metal shell, makes it avoid the solar ultraviolet irradiation, and the former device of protection inner box is not damaged, and has solved a very easily aging difficult problem, and it is more reasonable to arrange in pairs or groups.
As preferably, be plugged with vent-plug on the described air vent hole, vent-plug is made of positive chock plug and the mutual socket of cloudy chock plug, is provided with air flue in the breather plug, and described air flue is provided with air film, and described air film adopts the fluoride material manufacturing.Adopt the air film of fluoride material manufacturing to have high temperature resistant, penetrating gas, characteristics such as waterproof, its protection is effective, safe and reliable.
As preferably, be respectively arranged with several metal buckles between described lamina tecti and the metal shell, described lamina tecti upper surface is provided with some heat sink strips.The reasonable quick extrusion hasp of sealing again; adopt 65 manganese sheet materials to assemble towards part; hasp rationally distributes three, uses the leverage extrusion, opens fast; easily compacting; good seal performance, easy to use, the surface adopts the chromium plating protection to handle; for plastic-aluminum terminal box collocation more reasonable, the radiating effect ideal.
As preferably, described terminal box main body and box body cover plate all adopt polyester PPO made.Terminal box main body and box body cover plate polyester PPO hydraulic pressure are made, and all adopt surface oxidation treatment, spray paint, and plastic-blasting, sandblasting protection has improved case hardness and corrosion resisting property.
Therefore, the utlity model has good heat dissipation effect, be difficult for characteristics such as aging, not yielding, long service life.
Description of drawings
Accompanying drawing 1 is a kind of STRUCTURE DECOMPOSITION schematic diagram of the present utility model.
Accompanying drawing 2 is a kind of structure vertical views after the utility model is opened the box body cover plate.
Accompanying drawing 3 is a kind of structural perspective of metal shell in the utility model.
Accompanying drawing 4 is a kind of structural perspective of air film and guard circle in the utility model.
Embodiment
Below by embodiment, and in conjunction with the accompanying drawings, the technical solution of the utility model is described in further detail.
Embodiment 1:
Shown in Figure of description 1,2,3,4, a kind of magnesium-aluminum alloy photovoltaic cell junction box, the lamina tecti 2 that comprises terminal box main body 1 and be arranged on terminal box main body top, the terminal box main body is externally connected with cable 3, and lamina tecti and metal shell all adopt the magnadure manufacturing.Line box main body and box body cover plate all adopt polyester PPO made.Be provided with diode Connection Block 7 in the terminal box main body, be arranged with five diodes 8 on the diode Connection Block respectively.Terminal box main body outer cover is provided with metal shell 4, leaves circulation air flue 5 between metal shell and the terminal box main body, offers air vent hole 6 on the metal shell, offers two ventholes 14 on the sidewall of terminal box main body respectively.Terminal box main body top is provided with box body cover plate 9, is provided with seal washer I10 between box body cover plate and the terminal box main body, and the lamina tecti lower surface is provided with some swallow-tail form convex tendons 12, and box body cover plate top surface is provided with and the corresponding dovetail groove 13 of convex tendon.Convex tendon 12 plugs together fixing with dovetail groove 13 by slip.Be provided with seal washer II 11 between box body cover plate and the lamina tecti.Terminal box main body outer wall is provided with some spacer bars 15, is fixed with some reinforcements 16 on the inwall of terminal box main body.The metal shell side is respectively arranged with some fin 17.Be plugged with vent-plug on the air vent hole, vent-plug is made of positive chock plug 19 and the 22 mutual sockets of cloudy chock plug, is provided with air flue 23 in the breather plug, and air flue is provided with air film 18, and air film adopts the fluoride material manufacturing.Be respectively arranged with several metal buckles 20 between lamina tecti and the metal shell.The lamina tecti upper surface is provided with some heat sink strips 21.
Metal shell of the present utility model shields, and makes the terminal box main body improve insulation property, around shell and the terminal box main body between invention leave 4mm circulation air flue, be provided with fin between inside and outside, its heat-dissipating space is big; Leave two groups of convection current air vent holes on the terminal box main body, air vent hole is provided with the ventilation radiating protective film, guarantees the heat radiation ventilation, can not leak and make moist.Shell is provided with one group of protection fenestra; directly lead to outside the shell; with the inner box circulation; two circulations of science have been used; long-time perfect heat-dissipating; can guarantee that electronic original part and diode are worked in the terminal box battery connector in suitable operational environment, prolong electronic component and diode useful life.Adopted the protection of two seals packing ring to handle, first road is handled for the side type seal washer; Second road is that lenticular crush seal is handled, and each self seals of two boxes more can reach seal request.Make interior electronic original part of junction box connector and diode that very reliable stable operational environment has been arranged like this, will not improve working efficiency because of the phenomenons such as causing electric leakage, short circuit that enters of rainwater and humid air.
Should be understood that this embodiment only to be used to the utility model is described and be not used in the restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the present invention after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (8)
1. magnesium-aluminum alloy photovoltaic cell junction box, the lamina tecti (2) that comprises terminal box main body (1) and be arranged on terminal box main body top, the terminal box main body is externally connected with cable (3), be provided with several diodes (8) in the terminal box main body, it is characterized in that described diode is fastened on the diode Connection Block (7), terminal box main body outer cover is provided with metal shell (4), leave circulation air flue (5) between described metal shell and the terminal box main body, offer air vent hole (6) on the metal shell, offer several ventholes (14) on the sidewall of described terminal box main body respectively.
2. magnesium-aluminum alloy photovoltaic cell junction box according to claim 1, it is characterized in that described terminal box main body top is provided with box body cover plate (9), be provided with seal washer I (10) between box body cover plate and the terminal box main body, described box body cover plate top is connected by plugging together structure with lamina tecti, is provided with seal washer II (11) between described box body cover plate and the lamina tecti.
3. magnesium-aluminum alloy photovoltaic cell junction box according to claim 2, it is characterized in that the described structure that plugs together is that the lamina tecti lower surface is provided with some swallow-tail form convex tendons (12), box body cover plate top surface is provided with and the corresponding dovetail groove of convex tendon (13).
4. according to claim 1 or 2 or 3 described magnesium-aluminum alloy photovoltaic cell junction boxes, it is characterized in that described terminal box main body outer wall is provided with some spacer bars (15), is fixed with some reinforcements (16) on the inwall of terminal box main body.
5. according to claim 1 or 2 or 3 described magnesium-aluminum alloy photovoltaic cell junction boxes, it is characterized in that described lamina tecti and metal shell all adopt the magnadure manufacturing, described metal shell side is respectively arranged with some fin (17).
6. according to claim 1 or 2 or 3 described magnesium-aluminum alloy photovoltaic cell junction boxes, it is characterized in that being plugged with vent-plug on the described air vent hole, vent-plug is made of positive chock plug (19) and the mutual socket of cloudy chock plug (22), be provided with air flue (23) in the breather plug, described air flue is provided with air film (18), and described air film adopts the fluoride material manufacturing.
7. according to claim 1 or 2 or 3 described magnesium-aluminum alloy photovoltaic cell junction boxes, it is characterized in that being respectively arranged with between described lamina tecti and the metal shell several metal buckles (20), described lamina tecti upper surface is provided with some heat sink strips (21).
8. according to claim 1 or 2 or 3 described magnesium-aluminum alloy photovoltaic cell junction boxes, it is characterized in that described terminal box main body and box body cover plate all adopt polyester PPO made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN200920307228XU CN201590631U (en) | 2009-07-31 | 2009-07-31 | Photovoltaic cell junction box made of magnesium aluminum alloy |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN200920307228XU CN201590631U (en) | 2009-07-31 | 2009-07-31 | Photovoltaic cell junction box made of magnesium aluminum alloy |
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CN201590631U true CN201590631U (en) | 2010-09-22 |
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CN200920307228XU Expired - Lifetime CN201590631U (en) | 2009-07-31 | 2009-07-31 | Photovoltaic cell junction box made of magnesium aluminum alloy |
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Cited By (9)
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 |
CN103888053A (en) * | 2014-03-04 | 2014-06-25 | 苏州边枫电子科技有限公司 | Heat-dissipation connecting box of solar panel |
CN103941058A (en) * | 2014-05-06 | 2014-07-23 | 国网上海市电力公司 | Low-voltage combined junction box of energy measurement device |
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 |
CN107394713A (en) * | 2017-09-20 | 2017-11-24 | 力神动力电池系统有限公司 | Meet IP67 high-voltage connecting line box with shielding |
CN107483010A (en) * | 2016-03-21 | 2017-12-15 | 桐乡市乌镇润桐嘉业机械维修中心 | A kind of new type solar energy panel terminal box |
CN107658812A (en) * | 2017-11-13 | 2018-02-02 | 顺科新能源技术股份有限公司 | A kind of plastic band shields high-voltage connecting line box |
CN108599714A (en) * | 2018-06-19 | 2018-09-28 | 江苏燕山光伏设备有限公司 | A kind of dust-proof radiating formula photovoltaic junction box for photovoltaic generation |
CN110178278A (en) * | 2017-01-20 | 2019-08-27 | 住友电装株式会社 | Ventilation member and wirning harness |
-
2009
- 2009-07-31 CN CN200920307228XU patent/CN201590631U/en not_active Expired - Lifetime
Cited By (11)
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 |
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 |
CN103888053A (en) * | 2014-03-04 | 2014-06-25 | 苏州边枫电子科技有限公司 | Heat-dissipation connecting box of solar panel |
CN103941058A (en) * | 2014-05-06 | 2014-07-23 | 国网上海市电力公司 | Low-voltage combined junction box of energy measurement device |
CN107483010A (en) * | 2016-03-21 | 2017-12-15 | 桐乡市乌镇润桐嘉业机械维修中心 | A kind of new type solar energy panel terminal box |
CN110178278A (en) * | 2017-01-20 | 2019-08-27 | 住友电装株式会社 | Ventilation member and wirning harness |
CN110178278B (en) * | 2017-01-20 | 2020-12-01 | 住友电装株式会社 | Ventilation member and wire harness |
CN107394713A (en) * | 2017-09-20 | 2017-11-24 | 力神动力电池系统有限公司 | Meet IP67 high-voltage connecting line box with shielding |
CN107394713B (en) * | 2017-09-20 | 2023-08-04 | 力神(青岛)新能源有限公司 | High-voltage junction box with shielding meeting IP67 |
CN107658812A (en) * | 2017-11-13 | 2018-02-02 | 顺科新能源技术股份有限公司 | A kind of plastic band shields high-voltage connecting line box |
CN108599714A (en) * | 2018-06-19 | 2018-09-28 | 江苏燕山光伏设备有限公司 | A kind of dust-proof radiating formula photovoltaic junction box for photovoltaic generation |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20100922 Effective date of abandoning: 20090731 |