CN203368400U - Waterproof and ventilating structure of solar junction box - Google Patents
Waterproof and ventilating structure of solar junction box Download PDFInfo
- Publication number
- CN203368400U CN203368400U CN2013205082102U CN201320508210U CN203368400U CN 203368400 U CN203368400 U CN 203368400U CN 2013205082102 U CN2013205082102 U CN 2013205082102U CN 201320508210 U CN201320508210 U CN 201320508210U CN 203368400 U CN203368400 U CN 203368400U
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- Prior art keywords
- cable
- negative pole
- main body
- groove
- 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
- 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 utility model provides a waterproof and ventilating structure of a solar junction box. The waterproof and ventilating structure is characterized in that the upper part of an opening at the front end of a main body of the solar junction box is provided with a cover plate, the cover plate is hermetically connected with the main body through a sealing ring, the cover plate is provided with an air vent, the air vent is correspondingly provided with a waterproof and ventilating membrane, so that air in the box is enabled to be discharged through the waterproof and ventilating membrane, and moisture outside can not come into the box body. In addition, a cable connecting part between the solar junction box and a cable connector is further provided with a sealing slot and sealed through a corresponding cable sealing ring, thereby avoiding the possibility that the moisture comes into the box body through the cable connecting part. The waterproof and ventilating structure provided by the utility model is applicable to solar junction boxes installed outside, has the advantages of good waterproof and ventilating effects and long service life, and solves a problem that the performance of internal components of the junction box is reduced because of being affected by the environment easily.
Description
Technical field
The utility model relates to solar junction box, and 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, be disposed with some connectors in box body, be provided with diode between connector, 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 is through 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.
The utility model content
For this reason, the purpose of this utility model 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 purpose of this utility model is 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), be installed with conducting terminal (30) on described base plate (20), 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), be installed with a cover plate (12) in the top of circular openings (11), 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);
Be provided with a steam vent (121) on cover plate (12), the inboard of described steam vent (121) be provided with one can make air by and the waterproof ventilated membrane (14) that can not make hydrone pass 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);
Be provided with a negative pole cable sealed card groove (211) in base plate negative pole cable trough (21), be provided with an electrode cable sealing draw-in groove (221) in base plate electrode cable groove (22), be provided with an electrode cable sealing ring (411) on described electrode cable (41), 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; Be provided with a negative pole cable sealing ring (431) on described negative pole cable (43), described negative pole cable sealing ring (431) correspondence is fixed in negative pole cable sealed card groove (211), for anticathode cable (43) and the junction of solar junction box, is sealed.
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 utility model compared with prior art, beneficial effect is: the solar junction box waterproof and breathable structure that the utility model provides, 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, and 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 is sealed by corresponding cable sealing ring, has avoided aqueous vapor to enter into the possibility of box body by the cable junction.The utility model waterproof and breathable structure 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
The Facad structure schematic diagram that Fig. 1 is the utility model solar junction box;
The structure schematic diagram that Fig. 2 is the utility model solar junction box;
The decomposition texture schematic diagram that Fig. 3 is the utility model solar junction box;
The cable connector that Fig. 4 is the utility model solar junction box 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 the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to shown in Fig. 1, Fig. 2 the Facad structure schematic diagram that Fig. 1 is the utility model solar junction box; The structure schematic diagram that Fig. 2 is the utility model solar junction box.The utility model provides 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, the decomposition texture schematic diagram that Fig. 3 is the utility model solar junction box; The cable connector that Fig. 4 is the utility model solar junction box 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, be installed with a cover plate 12 above circular openings 11, 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; Be provided with a steam vent 121 on cover plate 12, the inboard of described steam vent 121 be provided with one can make air by and the waterproof ventilated membrane 14 that can not make hydrone pass 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; Be provided with a negative pole cable sealed card groove 211 in base plate negative pole cable trough 21, be provided with an electrode cable sealing draw-in groove 221 in base plate electrode cable groove 22, be provided with an electrode cable sealing ring 411 on described electrode cable 41, 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; Be provided with a negative pole cable sealing ring 431 on described negative pole cable 43, described negative pole cable sealing ring 431 correspondences are fixed in negative pole cable sealed card groove 211, for anticathode cable 43 and the junction of solar junction box, are sealed.
In sum, the utility model 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 is sealed by corresponding cable sealing ring, has avoided aqueous vapor to enter into the possibility of box body by the cable junction.Compared with prior art, the utility model has solved the excessive and poor problem of water-proof breathable properties that cause of terminal box air pressure inside, has 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 utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection range of the present utility model.
Claims (3)
1. a 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), be installed with conducting terminal (30) on described base plate (20), 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), be installed with a cover plate (12) in the top of circular openings (11), 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);
Be provided with a steam vent (121) on cover plate (12), the inboard of described steam vent (121) be provided with one can make air by and the waterproof ventilated membrane (14) that can not make hydrone pass 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);
Be provided with a negative pole cable sealed card groove (211) in base plate negative pole cable trough (21), be provided with an electrode cable sealing draw-in groove (221) in base plate electrode cable groove (22), be provided with an electrode cable sealing ring (411) on described electrode cable (41), 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; Be provided with a negative pole cable sealing ring (431) on described negative pole cable (43), described negative pole cable sealing ring (431) correspondence is fixed in negative pole cable sealed card groove (211), for anticathode cable (43) and the junction of solar junction box, is sealed.
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)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013205082102U CN203368400U (en) | 2013-08-16 | 2013-08-16 | Waterproof and ventilating structure of solar junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013205082102U CN203368400U (en) | 2013-08-16 | 2013-08-16 | Waterproof and ventilating structure of solar junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203368400U true CN203368400U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013205082102U Withdrawn - After Issue CN203368400U (en) | 2013-08-16 | 2013-08-16 | Waterproof and ventilating structure of solar junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203368400U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413853A (en) * | 2013-08-16 | 2013-11-27 | 安费诺科技(深圳)有限公司 | Waterproof and ventilating structure of solar junction box |
-
2013
- 2013-08-16 CN CN2013205082102U patent/CN203368400U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103413853A (en) * | 2013-08-16 | 2013-11-27 | 安费诺科技(深圳)有限公司 | Waterproof and ventilating structure of solar junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |