CN103413853A - Waterproof and ventilating structure of solar junction box - Google Patents
Waterproof and ventilating structure of solar junction box Download PDFInfo
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- CN103413853A CN103413853A CN2013103601142A CN201310360114A CN103413853A CN 103413853 A CN103413853 A CN 103413853A CN 2013103601142 A CN2013103601142 A CN 2013103601142A CN 201310360114 A CN201310360114 A CN 201310360114A CN 103413853 A CN103413853 A CN 103413853A
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- cable
- junction box
- solar junction
- negative pole
- groove
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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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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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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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a waterproof and ventilating structure of a solar junction box. A cover plate is installed on a hole in the front end of a body of the solar junction box, the cover plate is connected with the body in a sealed mode through a seal ring, exhaust holes are formed in the cover plate, a waterproof ventilating membrane is correspondingly arranged in the exhaust holes, the air in the solar junction box can be exhausted through the waterproof ventilating membrane, and water vapor outside the solar junction box cannot enter the solar junction box. In addition, due to the facts that sealing clamping grooves are further formed in the positions of connection between the solar junction box and cables of a cable connector, and sealing is carried out through corresponding cable seal rings, and the possibility that the water vapor enters the solar junction box through the positions of the connection between the solar junction box and the cables is eliminated. The waterproof and ventilating structure of the solar junction box is applicable to the solar junction box which is installed outdoors, and has the advantages that the effect of water resistance and the effect of ventilation are good, the service life is long, and the problem that devices inside the solar junction box can be easily influenced by the environment to cause reduction of performance is solved.
Description
Technical field
The present invention relates to solar junction box, what be specifically related to is a kind of solar junction box waterproof and breathable structure.
Background technology
The photovoltaic solar terminal box is used for connecting solar module, during use, by several photovoltaic solar terminal boxes, several solar modules is cascaded as required.Existing photovoltaic solar junction box structure comprises: box body, the lid that is arranged on box body and cooperatively interacts with box body, in the box body bottom, being provided with can be for the installing hole of the positive busbar of drawing from the solar module bottom and negative rail access, in box body, be disposed with some connectors, between connector, be provided with diode, be arranged on the box body of two connector correspondence positions on the two ends, left and right and be respectively arranged with wiring hole.During use, cable passes above-mentioned wiring hole and two connector welding, and the other end of connector welds with positive busbar and negative rail respectively, and positive busbar and negative rail are connected on the photovoltaic solar crystal silicon plate.
Current solar junction box is arranged on outdoor mostly, and under long-term work condition out of doors, easily oxidized and by the travel fatigue shutoff, its waterproof and breathable performance is poor, can't meet the requirement of solar junction box inner pressure relief.
Summary of the invention
For this reason, the object of the present invention is to provide a kind of solar junction box waterproof and breathable structure, to solve the poor problem of current solar junction box waterproof and breathable performance.
The objective of the invention is to be achieved through the following technical solutions.
A kind of solar junction box waterproof and breathable structure, comprise: main body (10), be fixedly mounted on the base plate (20) of rear end, main body (10) bottom, and electrode cable connector (40) and negative electricity cable connector (42), on described base plate (20), be installed with conducting terminal (30), described electrode cable connector (40) is electrically connected to described conducting terminal (30) respectively by negative pole cable (43) by electrode cable (41), negative electricity cable connector (42), wherein:
The front end of main body (10) is provided with a circular openings (11) that runs through main body (10), and two outer fixs that are positioned at described circular openings (11) respectively are provided with a draw-in groove (15), in the top of circular openings (11), be installed with a cover plate (12), described cover plate (12) both sides respectively be provided with one can with the buckle (122) of draw-in groove (15) engagement connection, and cover plate (12) is fixedly mounted in described circular openings (11) by O-ring seal (13);
On cover plate (12), be provided with a steam vent (121), the inboard of described steam vent (121) be provided with one can make air by and waterproof ventilated membrane (14) that hydrone is passed through;
The rear end of main body (10) is provided with a semicircular main body electrode cable groove (16) and a semicircular main body negative pole cable trough (17), the rear end correspondence position of described base plate (20) is provided with a semicircular base plate negative pole cable trough (21) and a semicircular base plate electrode cable groove (22), and described base plate negative pole cable trough (21) and main body negative pole cable trough (17) correspondence are combined into the cable clamping interface for holding negative pole cable (43); Described base plate electrode cable groove (22) and main body electrode cable groove (16) correspondence are combined into the cable clamping interface for holding electrode cable (41);
In base plate negative pole cable trough (21), be provided with a negative pole cable sealed card groove (211), in base plate electrode cable groove (22), be provided with an electrode cable sealing draw-in groove (221), on described electrode cable (41), be provided with an electrode cable sealing ring (411), described electrode cable sealing ring (411) correspondence is fixed in electrode cable sealing draw-in groove (221), for electrode cable (41) and solar junction box junction are sealed; On described negative pole cable (43), be provided with a negative pole cable sealing ring (431), described negative pole cable sealing ring (431) correspondence is fixed in negative pole cable sealed card groove (211), seals for anticathode cable (43) and the junction of solar junction box.
Preferably, described conducting terminal (30) comprises some connectors, and by diode, connects between described connector.
Preferably, the circular openings (11) of described main body (10) bottom is provided with the busbar be connected with conducting terminal (30).
The present invention compared with prior art, beneficial effect is: solar junction box waterproof and breathable structure provided by the invention, body front end perforate top at solar junction box is equipped with a cover plate, described cover plate is connected with body seal by sealing ring, and on the cover board be provided with steam vent, correspondence is provided with a waterproof ventilated membrane in steam vent, the air in box can be discharged by this waterproof ventilated membrane, and outside aqueous vapor can not enter in box body; The cable junction of this solar junction box and cable connector also is provided with the sealing draw-in groove in addition, and seals by corresponding cable sealing ring, has avoided aqueous vapor by the cable junction, to enter into the possibility of box body.Waterproof and breathable structure of the present invention is suitable for the solar junction box of outdoor installation, and it is effective that it has waterproof and breathable, long service life, and the terminal box internal components is not easy to be subject to environmental impact and the problem that causes performance to reduce.
The accompanying drawing explanation
Fig. 1 is the Facad structure schematic diagram of solar junction box of the present invention;
Fig. 2 is the structure schematic diagram of solar junction box of the present invention;
Fig. 3 is the decomposition texture schematic diagram of solar junction box of the present invention;
Fig. 4 is the cable connector of solar junction box of the present invention and the base plate schematic diagram that is tightly connected.
Identifier declaration in figure: main body 10, circular openings 11, cover plate 12, steam vent 121, buckle 122, O-ring seal 13, waterproof ventilated membrane 14, draw-in groove 15, main body electrode cable groove 16, main body negative pole cable trough 17, base plate 20, base plate negative pole cable trough 21, negative pole cable sealed card groove 211, base plate electrode cable groove 22, electrode cable sealing draw-in groove 221, conducting terminal 30, electrode cable connector 40, electrode cable 41, electrode cable sealing ring 411, negative electricity cable connector 42, negative pole cable 43, negative pole cable sealing ring 431.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, shown in Figure 2, Fig. 1 is the Facad structure schematic diagram of solar junction box of the present invention; Fig. 2 is the structure schematic diagram of solar junction box of the present invention.The present invention is to provide a kind of solar junction box with waterproof and breathable structure, when it mainly solves current solar junction box and uses out of doors, exist the waterproof and breathable performance poor, easily oxidized or by travel fatigue shutoff ventilation mouth, can't meet the requirement of solar junction box inner pressure relief.
Wherein this solar junction box includes: main body 10, base plate 20, electrode cable connector 40 and negative electricity cable connector 42.
As shown in Figure 3, Figure 4, Fig. 3 is the decomposition texture schematic diagram of solar junction box of the present invention; Fig. 4 is the cable connector of solar junction box of the present invention and the base plate schematic diagram that is tightly connected.Wherein the front end of main body 10 is provided with a circular openings 11 that runs through main body 10, and two outer fixs that are positioned at described circular openings 11 respectively are provided with a draw-in groove 15, above circular openings 11, be installed with a cover plate 12, the both sides of described cover plate 12 respectively be provided with one can with the buckle 122 of draw-in groove 15 corresponding engagement connections, and cover plate 12 is fixedly mounted in described circular openings 11 by O-ring seal 13; On cover plate 12, be provided with a steam vent 121, the inboard of described steam vent 121 be provided with one can make air by and waterproof ventilated membrane 14 that hydrone is passed through, when solar junction box is used out of doors, aqueous vapor can not enter into box body inside by steam vent 121, and the air in box body can be discharged by this steam vent 121, thereby can guarantee the stable of solar junction box internal pressure.
Described cable connector includes electrode cable connector 40 and negative electricity cable connector 42, and electrode cable connector 40 is electrically connected to described conducting terminal 30 respectively by negative pole cable 43 by electrode cable 41, negative electricity cable connector 42.
The rear end of main body 10 is provided with a semicircular main body electrode cable groove 16 and a semicircular main body negative pole cable trough 17, the rear end correspondence position of described base plate 20 is provided with a semicircular base plate negative pole cable trough 21 and a semicircular base plate electrode cable groove 22, and described base plate negative pole cable trough 21 and main body negative pole cable trough 17 correspondences are combined into the cable clamping interface for holding negative pole cable 43; Described base plate electrode cable groove 22 and main body electrode cable groove 16 correspondences are combined into the cable clamping interface for holding electrode cable 41; In base plate negative pole cable trough 21, be provided with a negative pole cable sealed card groove 211, in base plate electrode cable groove 22, be provided with an electrode cable sealing draw-in groove 221, on described electrode cable 41, be provided with an electrode cable sealing ring 411, described electrode cable sealing ring 411 correspondences are fixed in electrode cable sealing draw-in groove 221, for electrode cable 41 and the junction of solar junction box are sealed; On described negative pole cable 43, be provided with a negative pole cable sealing ring 431, described negative pole cable sealing ring 431 correspondences are fixed in negative pole cable sealed card groove 211, seal for anticathode cable 43 and the junction of solar junction box.
In sum, the present invention is equipped with a cover plate on the body front end perforate top of solar junction box, described cover plate is connected with body seal by sealing ring, and on the cover board be provided with steam vent, correspondence is provided with a waterproof ventilated membrane in steam vent, air in box can be discharged by this waterproof ventilated membrane, and outside aqueous vapor can not enter in box body; The cable junction of this solar junction box and cable connector also is provided with the sealing draw-in groove in addition, and seals by corresponding cable sealing ring, has avoided aqueous vapor by the cable junction, to enter into the possibility of box body.Compared with prior art, the invention solves the excessive and poor problem of water-proof breathable properties that cause of terminal box air pressure inside, also avoided external environment condition to enter because of aqueous vapor the problem that terminal box causes the part corrosion and damages simultaneously.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (3)
1. solar junction box waterproof and breathable structure, it is characterized in that, comprise: main body (10), be fixedly mounted on the base plate (20) of rear end, main body (10) bottom, and electrode cable connector (40) and negative electricity cable connector (42), on described base plate (20), be installed with conducting terminal (30), described electrode cable connector (40) is electrically connected to described conducting terminal (30) respectively by negative pole cable (43) by electrode cable (41), negative electricity cable connector (42), wherein:
The front end of main body (10) is provided with a circular openings (11) that runs through main body (10), and two outer fixs that are positioned at described circular openings (11) respectively are provided with a draw-in groove (15), in the top of circular openings (11), be installed with a cover plate (12), described cover plate (12) both sides respectively be provided with one can with the buckle (122) of draw-in groove (15) engagement connection, and cover plate (12) is fixedly mounted in described circular openings (11) by O-ring seal (13);
On cover plate (12), be provided with a steam vent (121), the inboard of described steam vent (121) be provided with one can make air by and waterproof ventilated membrane (14) that hydrone is passed through;
The rear end of main body (10) is provided with a semicircular main body electrode cable groove (16) and a semicircular main body negative pole cable trough (17), the rear end correspondence position of described base plate (20) is provided with a semicircular base plate negative pole cable trough (21) and a semicircular base plate electrode cable groove (22), and described base plate negative pole cable trough (21) and main body negative pole cable trough (17) correspondence are combined into the cable clamping interface for holding negative pole cable (43); Described base plate electrode cable groove (22) and main body electrode cable groove (16) correspondence are combined into the cable clamping interface for holding electrode cable (41);
In base plate negative pole cable trough (21), be provided with a negative pole cable sealed card groove (211), in base plate electrode cable groove (22), be provided with an electrode cable sealing draw-in groove (221), on described electrode cable (41), be provided with an electrode cable sealing ring (411), described electrode cable sealing ring (411) correspondence is fixed in electrode cable sealing draw-in groove (221), for electrode cable (41) and solar junction box junction are sealed; On described negative pole cable (43), be provided with a negative pole cable sealing ring (431), described negative pole cable sealing ring (431) correspondence is fixed in negative pole cable sealed card groove (211), seals for anticathode cable (43) and the junction of solar junction box.
2. solar junction box waterproof and breathable structure according to claim 1, is characterized in that, described conducting terminal (30) comprises some connectors, and by diode, connects between described connector.
3. solar junction box waterproof and breathable structure according to claim 1, is characterized in that, circular openings (11) bottom of described main body (10) is provided with the busbar be connected with conducting terminal (30).
Priority Applications (1)
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CN201310360114.2A CN103413853B (en) | 2013-08-16 | 2013-08-16 | A kind of solar junction box waterproof and breathable structure |
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CN201310360114.2A CN103413853B (en) | 2013-08-16 | 2013-08-16 | A kind of solar junction box waterproof and breathable structure |
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CN103413853A true CN103413853A (en) | 2013-11-27 |
CN103413853B CN103413853B (en) | 2016-04-13 |
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CN201310360114.2A Expired - Fee Related CN103413853B (en) | 2013-08-16 | 2013-08-16 | A kind of solar junction box waterproof and breathable structure |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105450171A (en) * | 2016-01-11 | 2016-03-30 | 苏州快可光伏电子股份有限公司 | Double-glass solar cell module junction box |
CN110362139A (en) * | 2019-08-21 | 2019-10-22 | 广东电网有限责任公司 | A kind of mounting box and temperature and humidity adjustment method suitable for cable duct hot humid environment |
CN114759506A (en) * | 2022-05-17 | 2022-07-15 | 广东亿源通科技股份有限公司 | Terminal box |
Citations (6)
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CN201773851U (en) * | 2010-08-30 | 2011-03-23 | 江阴市万事兴汽车部件制造有限公司 | Solar-energy connecting box |
CN201859883U (en) * | 2010-10-20 | 2011-06-08 | 江苏林洋电子股份有限公司 | Junction box of solar photovoltaic generating module |
CN102148271A (en) * | 2011-01-24 | 2011-08-10 | 章丘市太和电器有限公司 | Solar photovoltaic junction box |
CN102810589A (en) * | 2012-08-09 | 2012-12-05 | 苏州乐开塑胶模具有限公司 | Photovoltaic module junction box |
CN203071109U (en) * | 2013-03-13 | 2013-07-17 | 安费诺科技(深圳)有限公司 | Self-locking structure of solar junction box |
CN203368400U (en) * | 2013-08-16 | 2013-12-25 | 安费诺科技(深圳)有限公司 | Waterproof and ventilating structure of solar junction box |
-
2013
- 2013-08-16 CN CN201310360114.2A patent/CN103413853B/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201773851U (en) * | 2010-08-30 | 2011-03-23 | 江阴市万事兴汽车部件制造有限公司 | Solar-energy connecting box |
CN201859883U (en) * | 2010-10-20 | 2011-06-08 | 江苏林洋电子股份有限公司 | Junction box of solar photovoltaic generating module |
CN102148271A (en) * | 2011-01-24 | 2011-08-10 | 章丘市太和电器有限公司 | Solar photovoltaic junction box |
CN102810589A (en) * | 2012-08-09 | 2012-12-05 | 苏州乐开塑胶模具有限公司 | Photovoltaic module junction box |
CN203071109U (en) * | 2013-03-13 | 2013-07-17 | 安费诺科技(深圳)有限公司 | Self-locking structure of solar junction box |
CN203368400U (en) * | 2013-08-16 | 2013-12-25 | 安费诺科技(深圳)有限公司 | Waterproof and ventilating structure of solar junction box |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105450171A (en) * | 2016-01-11 | 2016-03-30 | 苏州快可光伏电子股份有限公司 | Double-glass solar cell module junction box |
CN110362139A (en) * | 2019-08-21 | 2019-10-22 | 广东电网有限责任公司 | A kind of mounting box and temperature and humidity adjustment method suitable for cable duct hot humid environment |
CN114759506A (en) * | 2022-05-17 | 2022-07-15 | 广东亿源通科技股份有限公司 | Terminal box |
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CN103413853B (en) | 2016-04-13 |
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