CN201611755U - Junction box for solar photovoltaic generating system assemblies - Google Patents
Junction box for solar photovoltaic generating system assemblies Download PDFInfo
- Publication number
- CN201611755U CN201611755U CN201020121634XU CN201020121634U CN201611755U CN 201611755 U CN201611755 U CN 201611755U CN 201020121634X U CN201020121634X U CN 201020121634XU CN 201020121634 U CN201020121634 U CN 201020121634U CN 201611755 U CN201611755 U CN 201611755U
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- box body
- photovoltaic
- cable
- box
- plug
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Abstract
The utility model provides a junction box for solar photovoltaic generating system assemblies, which comprises a box body, a box cover, two cable connectors and two photovoltaic cables connected to the exterior of the box body, wherein the interior of the box of the cable connector is threaded to the box body wall through an insulating screw; a connecting unit is arranged in the box body; two photovoltaic cables are respectively penetrated through the cable connector and an electric connecting piece of the connecting unit; the lower end of the electric connecting piece is provided with a round wire nose; the end of the photovoltaic cable is crimped in the round wire nose; the free ends of the two photovoltaic cables are respectively connected to a plug and a bearing plug; the plug is provided with an elastic buckle; and the bearing plug is provided with a limiting flange and an elastic unlocking claw matched with the elastic buckle. The junction box has excellent electric property and is convenient to disassemble and exchange.
Description
Technical field
The utility model relates to a kind of solar photovoltaic generation system assembly junction box, belongs to the solar-photovoltaic technology field.
Background technology
Along with economic globalization, incorporate fast development, the energy shortage problem has become the key factor of restriction economic development.Under this situation, many countries have started the upsurge of development and use solar energy resourceses, and fully developing solar energy resources also is that China realizes one of important selection that energy strategy shifts.Solar energy power generating is an important technology that successfully utilizes solar energy resources, and it becomes electric energy by the solar cell system assembly with transform light energy, will use the solar energy photovoltaic system assembly junction box in the electric energy output procedure.
Because long-term outwork, can work continually and steadily in abominable natural environment be the key of terminal box performance quality.Two cable joints and two photovoltaic cables that existing solar photovoltaic generation system assembly junction box comprises box body, lid and is connected the box body outside, be provided with wiring units in the box body, box body inner chamber base is provided with the spacing deck of link unit, two photovoltaic cables pass cable joint respectively and are connected with the electric connecting sheet of described wiring units, and part is locked on the box wall by metal nuts in the box body of cable joint.This terminal box electric property exists not enough, need open the lid during installation, photovoltaic cable is passed cable joint stretch in the box body, is connected with the electric connecting sheet of wiring units, and dismounting is inconvenient with replacing.
The utility model content
The technical problems to be solved in the utility model is a kind of dismounting to be provided and to change solar photovoltaic generation system assembly junction box easily.
For solving above technical problem, a kind of solar photovoltaic generation system assembly junction box provided by the utility model, two cable joints and two photovoltaic cables of comprising box body, lid and being connected the box body outside, be provided with wiring units in the box body, two photovoltaic cables pass cable joint respectively and are connected with the electric connecting sheet of described wiring units, the free end of described two photovoltaic cables is connected with plug and socket joint head respectively, described plug is provided with Elastic buckle, and described socket joint head is provided with spacing rib and the elasticity releasing claw suitable with Elastic buckle.
With respect to prior art, the utility model has been obtained following beneficial effect: the free end of photovoltaic cable is connected with plug and socket joint head respectively, can be connected with external cable easily, need not to open the lid, and has guaranteed wiring quality, and dismantles and change conveniently.
As improvement of the present utility model, the lower end of described electric connecting sheet is provided with the round wire nose, and the termination of described photovoltaic cable is crimped in the described round wire nose.Photovoltaic cable heart yearn and electric connecting sheet crimping have reduced contact resistance, have improved electric property.
As further improvement of the utility model, part is by insulating nut check on box wall in the box body of described cable joint.With insulation nut alternative metals nut, further improve the electric property of terminal box.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the structural representation of the utility model solar photovoltaic generation system assembly junction box.
Fig. 2 is a terminal box of the present utility model and schematic diagram after the exterior light luff cable is connected.
Fig. 3 is the connection diagram of electric connecting sheet and photovoltaic cable.
Fig. 4 is the left view of Fig. 3.
Among the figure: 1 box body, 2 lids, 3 reinforcements, 4 bypass diodes, 5 wiring units, 6 insulation nuts, 7 cable joints, 8 Elastic buckles, 9 elasticity releasing claws, 10 spacing ribs, 11 photovoltaic cables, 12 electric connecting sheets, 12a round wire nose.
Embodiment
As shown in Figure 1, two cable joints and two photovoltaic cables that solar photovoltaic generation system assembly junction box of the present utility model comprises box body 1, lid 2 and is connected box body 1 outside, the outer wall of box body 1 is provided with reinforcement 3, be provided with wiring units 5 and bypass diode 4 in the box body 1, box body inner chamber base is provided with the spacing deck of link unit, two photovoltaic cables 11 pass cable joint 7 respectively and are connected with the electric connecting sheet 12 of wiring units 5, and part is locked on the box wall by insulation nut 6 in the box body of cable joint 7.The free end of two photovoltaic cables 11 is connected with plug and socket joint head respectively, and plug is provided with Elastic buckle 8, and the socket joint head is provided with spacing rib 10 and the elasticity releasing claw 9 suitable with Elastic buckle 8.Compare with conventional electrical connectors, terminal box of the present utility model has increased the distance of spacing deck to rib, guaranteed safe electric clearance and creepage distance, effectively increased the inner chamber body space simultaneously, the working temperature of bypass diode is controlled in the safe working temperature.
Fig. 2 is terminal box and schematic diagram after the exterior light luff cable is connected, and the photovoltaic cable band plug of terminal box wherein plugs with the socket joint head of external cable; The photovoltaic cable band socket joint head of terminal box, plug with the plug of external cable.After Elastic buckle 8 on the plug inserted the socket joint head, spacing rib 10 was fixed, and prevents its slippage, when needing to separate, inwardly presses elasticity releasing claw 9, and Elastic buckle 8 can be extracted smoothly.
As shown in Figures 3 and 4, the lower end of electric connecting sheet is provided with round wire nose 12a, and the termination of photovoltaic cable is crimped among the described round wire nose 12a.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all fall into the protection range of the utility model requirement.
Claims (3)
1. solar photovoltaic generation system assembly junction box, two cable joints and two photovoltaic cables of comprising box body, lid and being connected the box body outside, be provided with wiring units in the box body, two photovoltaic cables pass cable joint respectively and are connected with the electric connecting sheet of described wiring units, it is characterized in that, the free end of described two photovoltaic cables is connected with plug and socket joint head respectively, described plug is provided with Elastic buckle, and described socket joint head is provided with spacing rib and the elasticity releasing claw suitable with Elastic buckle.
2. solar photovoltaic generation system assembly junction box according to claim 1 is characterized in that the lower end of described electric connecting sheet is provided with the round wire nose, and the termination of described photovoltaic cable is crimped in the described round wire nose.
3. solar photovoltaic generation system assembly junction box according to claim 1 and 2 is characterized in that, part is by insulating nut check on box wall in the box body of described cable joint.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201020121634XU CN201611755U (en) | 2010-03-02 | 2010-03-02 | Junction box for solar photovoltaic generating system assemblies |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201020121634XU CN201611755U (en) | 2010-03-02 | 2010-03-02 | Junction box for solar photovoltaic generating system assemblies |
Publications (1)
Publication Number | Publication Date |
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CN201611755U true CN201611755U (en) | 2010-10-20 |
Family
ID=42962390
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201020121634XU Expired - Fee Related CN201611755U (en) | 2010-03-02 | 2010-03-02 | Junction box for solar photovoltaic generating system assemblies |
Country Status (1)
Country | Link |
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CN (1) | CN201611755U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102468628A (en) * | 2010-11-09 | 2012-05-23 | 常熟市福莱德连接器科技有限公司 | Junction box for photovoltaic panel |
CN102569529A (en) * | 2012-02-24 | 2012-07-11 | 常州天合光能有限公司 | EL (Eletroluminescent) testing general tool of solar cell module |
-
2010
- 2010-03-02 CN CN201020121634XU patent/CN201611755U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102468628A (en) * | 2010-11-09 | 2012-05-23 | 常熟市福莱德连接器科技有限公司 | Junction box for photovoltaic panel |
CN102569529A (en) * | 2012-02-24 | 2012-07-11 | 常州天合光能有限公司 | EL (Eletroluminescent) testing general tool of solar cell module |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101020 Termination date: 20130302 |