CN103701406A - Economic type photovoltaic junction box - Google Patents
Economic type photovoltaic junction box Download PDFInfo
- Publication number
- CN103701406A CN103701406A CN201310576466.1A CN201310576466A CN103701406A CN 103701406 A CN103701406 A CN 103701406A CN 201310576466 A CN201310576466 A CN 201310576466A CN 103701406 A CN103701406 A CN 103701406A
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- Prior art keywords
- terminal
- wire
- clamp
- junction box
- wire fixing
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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 an economic type photovoltaic junction box. Two wire inlet ends are connected to a base; through holes communicating with an inner cavity of the connecting base are formed in the middle of the wire inlet ends; buckling grooves are respectively formed in the both sides of the wire inlet terminals; wire fixing buckles comprise wire fixing tubes; wire thread holes are formed in the middles of the wire fixing tubes; grabs are respectively connected with the both sides of the wire fixing tubes; the wire fixing tubes of the wire fixing buckles are sleeved with small O-shaped rings; the wire fixing tubes are inserted in the through holes of the wire inlet terminals; the two grabs are respectively arranged in the buckling grooves in the both sides of the wire inlet terminals; the photovoltaic cables pass through the wire thread holes in the wire fixing buckles and connected with terminals; the photovoltaic cables are in injection molding connection with the wire fixing buckles. The photovoltaic cables entered in the junction box are fixed by the wire fixing buckles to implement waterproof sealing of the photovoltaic junction box, and enable the product to have higher reliability.
Description
Technical field
The present invention relates to field of photovoltaic power generation, relate in particular to a kind of economical photovoltaic junction box being applied in photovoltaic generating system.
Background technology
Chinese patent ZL201110121124.1 discloses a kind of photovoltaic junction box, the deficiency that this photovoltaic junction box design exists is, wherein for fixedly passing into two wire fixing devices of the photovoltaic cable in terminal box, adopt and be threaded with terminal box base, the sealing property of whole photovoltaic junction box is poor, and the reliability of solidus is not high.
Summary of the invention
The object of the present invention is to provide a kind of economical photovoltaic junction box with high sealing performance and reliability, by solidus structural design, realize the waterproof sealing of photovoltaic junction box, and make product there is higher reliability.
Technical scheme of the present invention is as follows:
A kind of economical photovoltaic junction box, comprise the base, upper cover and the sealing ring between the two that mutually cover, in described base, base plate is installed, a plurality of terminals are installed on described base plate, on each terminal, be separately installed with strap clamp and pipe clamp, between the pipe clamp of terminals of adjacent, diode be installed; Strutting piece covers on terminal;
On described base, be connected with two ends of incoming cables, offer the through hole that connects base intracavity in the middle of described end of incoming cables, the both sides of described end of incoming cables are respectively equipped with draw-in groove;
Also comprise the firm clamp being arranged on end of incoming cables, described firm clamp comprises solidus pipe, in the middle of described solidus pipe, offers through wires hole, and described solidus pipe both sides are connected with respectively grab;
On the solidus pipe of firm clamp, after sheathed little "O"-ring, be inserted in the through hole of line end; Two grabs of firm clamp enter respectively in the draw-in groove on both sides, end of incoming cables; Photovoltaic cable is connected with terminal after passing the through wires hole on firm clamp; Photovoltaic cable is connected with firm clamp injection moulding.
Its further technical scheme is: described terminal comprises two types, and the end of the terminal of a type is for connecting the welding ring of photovoltaic cable, and the end of the terminal of another kind of type is the mounting panel for conducting wire folder.
Useful technique effect of the present invention is:
The present invention fixedly passes into the photovoltaic cable in terminal box by firm clamp; Photovoltaic cable is connected with firm clamp injection moulding, has little "O"-ring, good seal performance between firm clamp and base; Firm clamp and base are fixed by grab, simple structure, high reliability; Photovoltaic cable and terminal soldering, connectivity is good.
Advantage of the present invention will provide in embodiment description partly below, and part will become obviously from the following description, or recognize by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is exploded view of the present invention.
Fig. 2 is understructure figure of the present invention.
Fig. 3 is firm clamp structure chart of the present invention.
Fig. 4 is first kind terminal structure figure of the present invention.
Fig. 5 is Second Type terminal structure figure of the present invention.
Fig. 6 is cut-away view of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
As shown in Figure 1, the present invention includes the base 9, upper cover 1 and the sealing ring between the two 2 that mutually cover, base plate 8 is installed in base 9, difform a plurality of terminal 5 is installed on base plate 8, on each terminal 5, be separately installed with strap clamp 4 and pipe clamp 6, between the pipe clamp 6 of terminals of adjacent 4, diode 7 is installed, strutting piece 3 covers on terminal 5.Photovoltaic cable 12 is connected with terminal 5 through the firm clamp 11 being arranged in base 9, has little "O"-ring 10 between firm clamp 11 and base 9; Photovoltaic cable 12 is connected with firm clamp 11 injection mouldings.
As shown in Figure 2, be connected with two end of incoming cables 9-1 on base 9, offer the through hole 9-2 that connects base 9 inner chambers in the middle of the 9-1 of end of incoming cables, the both sides of end of incoming cables 9-1 are respectively equipped with draw-in groove 9-3.
As shown in Figure 3, firm clamp 11 comprises solidus pipe 11-1, in the middle of solidus pipe 11-1, offers through wires hole 11-2, and solidus pipe 11-1 both sides are connected with respectively grab 1-3.
As shown in Figure 4 and Figure 5, terminal 5 comprises two types, the end of the terminal 5 of a type as shown in Figure 4, for for connecting the welding ring 5-1 of photovoltaic cable 12; The end of the terminal 5 of another kind of type as shown in Figure 5, is the mounting panel 5-2 for conducting wire folder (not shown).
In conjunction with Fig. 1 to Fig. 5 and Fig. 6, after the upper sheathed little "O"-ring 10 of the solidus pipe 11-1 of firm clamp 11, be inserted in the through hole 9-2 of line end 9-1.Two grab 1-3 of firm clamp 11 enter respectively in the draw-in groove 9-3 on 9-1 both sides, end of incoming cables.Photovoltaic cable 12 through the through wires hole 11-2 on firm clamp 11 after, with the welding ring 5-1 welding of the terminal 5 of Fig. 4 shown type.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive or associate without departing from the spirit and concept in the present invention, within all should thinking and being included in protection scope of the present invention.
Claims (2)
1. an economical photovoltaic junction box, comprise the base (9), upper cover (1) and the sealing ring between the two (2) that mutually cover, base plate (8) is installed in described base (9), a plurality of terminals (5) are installed on described base plate (8), on each terminal (5), be separately installed with strap clamp (4) and pipe clamp (6), between the pipe clamp (6) of terminals of adjacent (4), diode (7) be installed; Strutting piece (3) covers on terminal (5);
It is characterized in that: on described base (9), be connected with two ends of incoming cables (9-1), offer the through hole (9-2) that connects base (9) inner chamber in the middle of described end of incoming cables (9-1), the both sides of described end of incoming cables (9-1) are respectively equipped with draw-in groove (9-3);
Also comprise the firm clamp (11) being arranged on end of incoming cables (9-1), described firm clamp (11) comprises solidus pipe (11-1), in the middle of described solidus pipe (11-1), offer through wires hole (11-2), described solidus pipe (11-1) both sides are connected with respectively grab (1-3);
After the upper sheathed little "O"-ring (10) of solidus pipe (11-1) of firm clamp (11), be inserted in the through hole (9-2) of line end (9-1); Two grabs (1-3) of firm clamp (11) enter respectively in the draw-in groove (9-3) on both sides, end of incoming cables (9-1); Photovoltaic cable (12) is connected with terminal (5) through the through wires hole (11-2) on firm clamp (11) is rear; Photovoltaic cable (12) is connected with firm clamp (11) injection moulding.
2. economical photovoltaic junction box according to claim 1, it is characterized in that: described terminal (5) comprises two types, the end of the terminal of a type (5) is for connecting the welding ring (5-1) of photovoltaic cable (12), and the end of the terminal of another kind of type (5) is the mounting panel (5-2) for conducting wire folder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576466.1A CN103701406B (en) | 2013-11-16 | 2013-11-16 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576466.1A CN103701406B (en) | 2013-11-16 | 2013-11-16 | Photovoltaic junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103701406A true CN103701406A (en) | 2014-04-02 |
| CN103701406B CN103701406B (en) | 2016-04-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310576466.1A Active CN103701406B (en) | 2013-11-16 | 2013-11-16 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103701406B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471388A (en) * | 2016-01-20 | 2016-04-06 | 浙江鑫辉光伏科技有限公司 | Long-service-life and high-reliability maintainable photovoltaic terminal box |
| CN107785715A (en) * | 2016-08-30 | 2018-03-09 | 浙江鑫辉光伏科技有限公司 | A kind of economic terminal box of reliable easy care |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201426028Y (en) * | 2009-03-12 | 2010-03-17 | 苏州瀚德光伏科技有限公司 | Solar junction box |
| CN202616266U (en) * | 2012-06-04 | 2012-12-19 | 宁波市创源光伏科技有限公司 | Novel solar photovoltaic connecting box |
| CN202695485U (en) * | 2012-05-30 | 2013-01-23 | 莱尼电气线缆（常州）有限公司 | Solar energy junction box |
| CN202940258U (en) * | 2012-12-05 | 2013-05-15 | 江西晶科光伏材料有限公司 | Photovoltaic junction box |
| CN103390671A (en) * | 2013-07-25 | 2013-11-13 | 浙江鑫辉光伏科技有限公司 | Heat-dissipation optimization type photovoltaic terminal box |
| CN203590144U (en) * | 2013-11-16 | 2014-05-07 | 浙江鑫辉光伏科技有限公司 | Economical photovoltaic junction box |
-
2013
- 2013-11-16 CN CN201310576466.1A patent/CN103701406B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201426028Y (en) * | 2009-03-12 | 2010-03-17 | 苏州瀚德光伏科技有限公司 | Solar junction box |
| CN202695485U (en) * | 2012-05-30 | 2013-01-23 | 莱尼电气线缆（常州）有限公司 | Solar energy junction box |
| CN202616266U (en) * | 2012-06-04 | 2012-12-19 | 宁波市创源光伏科技有限公司 | Novel solar photovoltaic connecting box |
| CN202940258U (en) * | 2012-12-05 | 2013-05-15 | 江西晶科光伏材料有限公司 | Photovoltaic junction box |
| CN103390671A (en) * | 2013-07-25 | 2013-11-13 | 浙江鑫辉光伏科技有限公司 | Heat-dissipation optimization type photovoltaic terminal box |
| CN203590144U (en) * | 2013-11-16 | 2014-05-07 | 浙江鑫辉光伏科技有限公司 | Economical photovoltaic junction box |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105471388A (en) * | 2016-01-20 | 2016-04-06 | 浙江鑫辉光伏科技有限公司 | Long-service-life and high-reliability maintainable photovoltaic terminal box |
| CN105471388B (en) * | 2016-01-20 | 2017-12-26 | 浙江鑫辉光伏科技有限公司 | A kind of long-life highly reliable maintainable photovoltaic junction box |
| CN107785715A (en) * | 2016-08-30 | 2018-03-09 | 浙江鑫辉光伏科技有限公司 | A kind of economic terminal box of reliable easy care |
| CN107785715B (en) * | 2016-08-30 | 2020-08-07 | 浙江鑫辉光伏科技有限公司 | Reliable and easy-maintenance junction box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103701406B (en) | 2016-04-13 |
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