CN220234623U - Photovoltaic module terminal box outlet end extension visor and terminal box - Google Patents
Photovoltaic module terminal box outlet end extension visor and terminal box Download PDFInfo
- Publication number
- CN220234623U CN220234623U CN202321844330.XU CN202321844330U CN220234623U CN 220234623 U CN220234623 U CN 220234623U CN 202321844330 U CN202321844330 U CN 202321844330U CN 220234623 U CN220234623 U CN 220234623U
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- China
- Prior art keywords
- box
- cable
- outlet end
- junction box
- box body
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- 230000001681 protective effect Effects 0.000 claims abstract description 27
- 238000003466 welding Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000005452 bending Methods 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 2
- 238000009413 insulation Methods 0.000 abstract 1
- 238000010248 power generation Methods 0.000 description 7
- 239000004020 conductor Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- JBRZTFJDHDCESZ-UHFFFAOYSA-N AsGa Chemical compound [As]#[Ga] JBRZTFJDHDCESZ-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052711 selenium Inorganic materials 0.000 description 1
- 239000011669 selenium Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
Classifications
-
- 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 provides an extension protective cover of a photovoltaic module junction box outlet end, which is matched with the photovoltaic module junction box to use, wherein the junction box outlet end comprises an arc-shaped part for a cable to pass through and first wing edges at two sides; the rear end of the second wing edge is provided with a step structure. The utility model further provides a photovoltaic module junction box with the wire outlet end extension protective cover. The terminal box wire outlet end extension protective cover is matched with the terminal box for use, the distance from the welding position of the metal core wire and the conductive terminal to the end of the cable extending out of the box body is prolonged, the influence of external force bending on the welding position of the cable is obviously reduced, the loosening of the welding position is avoided, the creepage distance is prolonged, and the insulation performance is enhanced. The extension visor is split type design with the terminal box, also can be suitable for the terminal box that has installed on the subassembly, need not to change the maintenance to current terminal box, and is simple and convenient.
Description
Technical Field
The utility model belongs to the technical field of solar energy photovoltaics, in particular to an extension protective cover which is convenient for reinforcing cable protection of a connector at an outlet end of a junction box of a photovoltaic module and the junction box of the photovoltaic module with the protective cover, wherein the protective cover is particularly suitable for reinforcing and maintaining the cable when the outlet end of the junction box of the photovoltaic module loosens.
Background
In order to cope with the increasingly serious environmental pollution problem caused by the use of conventional fossil energy, the green renewable energy industry has been rapidly developed in recent years, and a solar cell power generation technology for generating power by using a photovoltaic effect is an important green energy technology. The solar cell is made of materials capable of generating photovoltaic effect, such as silicon, gallium arsenide, indium, selenium and copper, and can convert light energy into electric energy. At present, a photovoltaic module formed by combining a plurality of solar cells is used as a basic photovoltaic power generation unit to be widely applied to various photovoltaic power generation systems of buildings, or a transparent film module is used as a building curtain wall material to build an energy-saving environment-friendly building. In practical use, the junction box is required to be used for leading out the electric energy generated by the photovoltaic module and connecting with an external load, so the junction box of the photovoltaic module is a key component for constructing various power generation systems by the photovoltaic module.
In the photovoltaic junction box, a cable is needed to be connected, one end of the cable is connected with a conductive terminal in the junction box, the other end of the cable is connected with a connector, and then the photovoltaic components are connected into a component string through mutual insertion of adjacent connectors to form a photovoltaic power generation system component array. Because the terminal box is fixed on the subassembly, so the one end that cable conductor and terminal box are connected is the stiff end, under this kind of circumstances, when the cable conductor takes place to bend, the cable crust damage that takes place at terminal box wire end easily leads to cable conductor disconnection or electric leakage, because photovoltaic power generation system is generally all established in desert, seaside or other relatively open occasion, the cable line is extremely easily influenced by the strong wind, cable damage or fracture takes place more easily at terminal box wire end, in order to protect the cable as far as possible, can make the box body of terminal box longer, but can increase the cost on one hand, and contrary to terminal box miniaturized development trend, in addition, for the terminal box that has installed on photovoltaic module in power generation system, obviously can very big consumption manpower and material cost need to be changed again to the terminal box.
Disclosure of Invention
The utility model provides a protective cover for extending the outlet end of a junction box of a photovoltaic module and the junction box of the photovoltaic module with the protective cover, which can be directly applied to the outlet end of the junction box assembled on the photovoltaic module to strengthen and protect a cable.
In order to achieve the purpose of the utility model, the technical scheme provided by the utility model is as follows:
the utility model provides a photovoltaic module terminal box outlet end extension visor, it cooperates photovoltaic module terminal box to use, the terminal box include lid, box body, install the bypass protection module in the box body, with the connector that conductive terminal in the terminal box passes through cable connection, be equipped with the cable buckle fixed with the box body at the cable outlet end of box body; the terminal box outlet end comprises an arc-shaped part for a cable to pass through and first wing edges at two sides of the bottom of the arc-shaped part, and the terminal box outlet end extension protective cover comprises a body part covered on the arc-shaped part and clung to the arc-shaped part and second wing edges matched with the first wing edges at two sides of the bottom of the body part; the rear end of the second wing edge is provided with a step structure, and the bottom surface of the step structure is flush with the bottom surface of the junction box body.
Preferably, the front end of the second wing edge of the extended protective cover is provided with a protruding part matched with the shape of the corner of the box body of the junction box.
Still preferably, the length of the body part of the extended protecting cover is 2-4 times of the length of the arc part of the wire outlet end of the junction box.
According to another object of the utility model, the utility model further provides a junction box of a photovoltaic assembly, the junction box comprises a box cover, a box body and a bypass protection module arranged in the box body, a connector is connected with a conductive terminal in the junction box through a cable, and a cable buckle fixed with the box body is arranged at a cable outlet end of the box body; and an extension protective cover which is matched with the cable outlet end of the box body; the terminal box outlet end comprises an arc-shaped part for a cable to pass through and first wing edges at two sides of the bottom of the arc-shaped part, and the extension protective cover comprises a body part covered on the arc-shaped part and clung to the arc-shaped part and second wing edges matched with the first wing edges at two sides of the bottom of the body part; the rear end of the second wing edge is provided with a step structure, and the bottom surface of the step structure is flush with the bottom surface of the junction box body.
Preferably, the front end of the second wing edge of the extended protective cover is provided with a protruding part matched with the shape of the corner of the box body of the junction box.
Still preferably, the length of the body part of the extended protecting cover is 2-4 times of the length of the arc part of the wire outlet end of the junction box.
Still preferably, the junction box of the photovoltaic module is a single junction box or two split junction boxes or three split junction boxes; when the junction box is a single junction box, the positive and negative cable outlet ends are arranged on the same box body; when the two split junction boxes are adopted, the positive cable outlet ends and the negative cable outlet ends are respectively arranged on the two box bodies; when the three-split junction box is adopted, the positive cable outlet end and the negative cable outlet end are respectively arranged on the left box body and the right box body.
The protective cover for the wire outlet end of the junction box has the beneficial effects that the protective cover can be matched with the junction box for use, the distance from the welding position of the metal core wire and the conductive terminal to the end of the cable extending out of the box body of the cable is prolonged, the influence of external force bending on the welding position of the cable is obviously reduced, the loosening of the welding position is avoided, the creepage distance is prolonged, and the insulating performance is enhanced. The extension visor is split type design with the terminal box, also can be suitable for the terminal box that has installed on the subassembly, need not to change the maintenance to current terminal box, and is simple and convenient.
Drawings
Fig. 1 is an exploded view of a photovoltaic module junction box with an extended protection cover for an outlet according to an embodiment of the present utility model;
FIG. 2 is a schematic view of an exploded view of one junction box of the split photovoltaic junction box of FIG. 1;
fig. 3 is an enlarged schematic view of a terminal extension protecting cover according to an embodiment of the utility model.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Referring to fig. 1, 2 and 3 in combination, the utility model provides a protective cover for extending the outlet end of a junction box, which is used with a junction box of a photovoltaic module, wherein the junction box comprises a box cover 10, a box body 30, a bypass protection module 20 arranged in the box body, a connector 40 connected with a conductive terminal in the junction box through a cable 43, and a cable buckle 34 fixed with the box body is arranged at the outlet end of the cable of the box body; the terminal box outlet end comprises an arc-shaped part 31 for a cable to pass through and first wing edges 32 at two sides of the bottom of the arc-shaped part 31, and the terminal box outlet end extension protective cover 33 comprises a body part 331 covered on the arc-shaped part 31 and clung to the arc-shaped part, and a second wing edge 332 matched with the first wing edges 32 at two sides of the bottom of the body part 331; referring to fig. 3, the rear end of the second wing edge 332 (the end where the extension protecting cover 33 contacts with the junction box body is the front end, and the other end is the rear end) is provided with a step structure C, and the bottom surface of the step structure C is flush with the bottom surface of the junction box body, so when the extension protecting cover 33 is used and installed on the back of the assembly in cooperation with the junction box, the extension protecting cover can be guaranteed to be tightly attached to the first wing edge 32, and meanwhile, the bottom can be tightly attached to the assembly, so that the extension protecting cover is conveniently fixed with the assembly through adhesive.
In a preferred embodiment, referring to fig. 2 and 3, the front end of the second wing 332 of the extension protection cover 33 is provided with a protruding portion B that mates with the corner a of the box body of the junction box, so that the front end of the extension protection cover 33 can be closely contacted with the box body of the junction box, improving the precision and position accuracy of mating installation, and avoiding local stress of the cable caused by deflection of the position of the extension protection cover 33.
In another preferred embodiment, the length of the body portion 331 of the extended protection cover 33 is 2-4 times the length of the terminal end arc portion 31 of the junction box.
According to another object of the present utility model, the present utility model further provides a photovoltaic module junction box, which includes a box cover 10, a box body 30, a bypass protection module 20 installed in the box body, a connector 40 connected with a conductive terminal in the junction box through a cable 43, a cable buckle 34 fixed with the box body and an extension protection cover 33 installed in cooperation with a cable outlet end of the box body are provided at a cable outlet end of the box body; the terminal box outlet end comprises an arc-shaped part 31 for a cable to pass through and first wing edges 32 at two sides of the bottom of the arc-shaped part 31, and the extension protective cover 33 comprises a body part 331 covered on the arc-shaped part 31 and clung to the arc-shaped part, and a second wing edge 332 with two sides of the bottom of the body part 331 matched with the first wing edges 32; referring to fig. 3, the rear end of the second wing edge 332 (the end where the extension protecting cover 33 contacts with the junction box body is the front end, and the other end is the rear end) is provided with a step structure C, and the bottom surface of the step structure C is flush with the bottom surface of the junction box body, so when the extension protecting cover 33 is used and installed on the back of the assembly in cooperation with the junction box, the extension protecting cover can be guaranteed to be tightly attached to the first wing edge 32, and meanwhile, the bottom can be tightly attached to the assembly, so that the extension protecting cover is conveniently fixed with the assembly through adhesive.
In a preferred embodiment, referring to fig. 2 and 3, the front end of the second wing 332 of the extension protection cover 33 is provided with a protruding portion B that mates with the corner a of the box body of the junction box, so that the front end of the extension protection cover 33 can be closely contacted with the box body of the junction box, improving the precision and position accuracy of mating installation, and avoiding local stress of the cable caused by deflection of the position of the extension protection cover 33.
In another preferred embodiment, the photovoltaic module junction box is a single photovoltaic module junction box or a two-split photovoltaic module junction box or a three-split photovoltaic module junction box. When the junction box is a single junction box, the positive and negative cable outlet ends are all arranged on the same box body; when the two split junction boxes are adopted, the positive cable outlet ends and the negative cable outlet ends are respectively arranged on the two box bodies; when the three-split junction box is adopted, the positive cable outlet end and the negative cable outlet end are respectively arranged on the left box body and the right box body.
The terminal box wire outlet end extension protective cover can be matched with a terminal box to be used, the distance from the welding position of the metal core wire and the conductive terminal to the end of the cable extending out of the box body is prolonged, the influence of external force bending on the welding position of the cable is greatly reduced, and the loosening of the welding position is avoided. The extension protective cover and the junction box are of split type design, and the extension protective cover is applicable to the junction box which is installed on the assembly, does not need to protect and maintain the existing junction box, and is simple and convenient.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (7)
1. The utility model provides a photovoltaic module terminal box outlet end extension visor, its cooperation photovoltaic module terminal box uses, its characterized in that, the terminal box include lid, box body, install bypass protection module in the box body, pass through cable connector that cable wire connects with conductive terminal in the terminal box, be equipped with the cable buckle fixed with the box body at the cable outlet end of box body; the terminal box outlet end comprises an arc-shaped part for a cable to pass through and first wing edges at two sides of the bottom of the arc-shaped part, and the terminal box outlet end extension protective cover comprises a body part covered on the arc-shaped part and clung to the arc-shaped part and second wing edges matched with the first wing edges at two sides of the bottom of the body part; the rear end of the second wing edge is provided with a step structure, and the bottom surface of the step structure is flush with the bottom surface of the junction box body.
2. The terminal extension protective cover of claim 1, wherein the front end of the second wing edge of the extension protective cover is provided with a protruding portion matching with the shape of the corner of the box body of the terminal box.
3. The terminal extension cap of claim 1 or 2, wherein the length of the body portion of the extension cap is 2-4 times the length of the arc portion of the terminal.
4. The junction box is characterized by comprising a box cover, a box body and a bypass protection module arranged in the box body, wherein the connector is connected with a conductive terminal in the junction box through a cable, and a cable buckle fixed with the box body is arranged at a cable outlet end of the box body; and an extension protective cover which is matched with the cable outlet end of the box body; the terminal box outlet end comprises an arc-shaped part for a cable to pass through and first wing edges at two sides of the bottom of the arc-shaped part, and the extension protective cover comprises a body part covered on the arc-shaped part and clung to the arc-shaped part and second wing edges matched with the first wing edges at two sides of the bottom of the body part; the rear end of the second wing edge is provided with a step structure, and the bottom surface of the step structure is flush with the bottom surface of the junction box body.
5. The junction box for photovoltaic modules according to claim 4, wherein the front end of the second wing edge of the protection cover is provided with a protruding portion matching with the shape of the corner of the box body of the junction box.
6. The junction box of claim 4 or 5, wherein the length of the body portion of the protective cover is 2-4 times the length of the arc portion of the outlet end of the junction box.
7. The photovoltaic module junction box according to claim 4 or 5, wherein the photovoltaic module junction box is a single junction box or two split junction boxes or three split junction boxes; when the junction box is a single junction box, the positive and negative cable outlet ends are arranged on the same box body; when the two split junction boxes are adopted, the positive cable outlet ends and the negative cable outlet ends are respectively arranged on the two box bodies; when the three-split junction box is adopted, the positive cable outlet end and the negative cable outlet end are respectively arranged on the left box body and the right box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321844330.XU CN220234623U (en) | 2023-07-13 | 2023-07-13 | Photovoltaic module terminal box outlet end extension visor and terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321844330.XU CN220234623U (en) | 2023-07-13 | 2023-07-13 | Photovoltaic module terminal box outlet end extension visor and terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220234623U true CN220234623U (en) | 2023-12-22 |
Family
ID=89198165
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321844330.XU Active CN220234623U (en) | 2023-07-13 | 2023-07-13 | Photovoltaic module terminal box outlet end extension visor and terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220234623U (en) |
-
2023
- 2023-07-13 CN CN202321844330.XU patent/CN220234623U/en active Active
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