CN214412669U - Photovoltaic terminal box mounting structure - Google Patents
Photovoltaic terminal box mounting structure Download PDFInfo
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- CN214412669U CN214412669U CN202120623849.XU CN202120623849U CN214412669U CN 214412669 U CN214412669 U CN 214412669U CN 202120623849 U CN202120623849 U CN 202120623849U CN 214412669 U CN214412669 U CN 214412669U
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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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Abstract
The utility model provides a photovoltaic terminal box mounting structure, includes photovoltaic module, steel sheet and a plurality of photovoltaic terminal box, and photovoltaic module fixes the one side at the steel sheet, and a plurality of photovoltaic terminal boxes bond through silica gel respectively and fix the one side of keeping away from photovoltaic module at the steel sheet. And the battery in the photovoltaic module is connected with a bus bar outgoing line which penetrates through the steel plate and then is connected with the photovoltaic junction box. The photovoltaic junction box is fixed on the surface, far away from the photovoltaic module, of the steel plate through the silica gel, the steel plate is used for replacing a back plate or glass, on one hand, the structural strength of the steel plate is higher, the photovoltaic module can be effectively supported, on the other hand, the silica gel is used for bonding the photovoltaic junction box, the bonding strength between the photovoltaic junction box and the steel plate is improved, the risk that the photovoltaic junction box falls off is reduced, and the service life of a photovoltaic assembly is prolonged.
Description
Technical Field
The utility model belongs to the technical field of the photovoltaic module technique and specifically relates to a photovoltaic terminal box mounting structure is related to.
Background
The photovoltaic junction box is a connecting device between a solar cell array formed by solar cell modules and the solar charging control device, and is mainly used for connecting and protecting the solar cell modules, connecting electric power generated by the solar cells with an external circuit and conducting current generated by the photovoltaic modules.
In the prior art, a photovoltaic junction box of a traditional assembly is generally installed on a back plate or glass through glue, the back plate is usually made of a material with low adhesion, and the adhesion of the glass is poor, so that the problem that the junction box falls off due to the fact that the glue falls off from the back plate or the glass easily occurs.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims at providing a photovoltaic terminal box mounting structure can be with stable the fixing on photovoltaic module of terminal box, is difficult for droing, has improved the practicality.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
a photovoltaic junction box mounting structure comprises a photovoltaic assembly, wherein the photovoltaic assembly comprises a photovoltaic module, a steel plate and a plurality of photovoltaic junction boxes, the photovoltaic module is fixed on one surface of the steel plate, and the photovoltaic junction boxes are respectively fixed on one surface, far away from the photovoltaic module, of the steel plate in an adhering mode through silica gel;
and the battery in the photovoltaic module is connected with a bus bar outgoing line, and the bus bar outgoing line penetrates through the steel plate and then is connected with the photovoltaic junction box.
Through the technical scheme, the photovoltaic junction box is fixed on the side, far away from the photovoltaic module, of the steel plate through the silica gel, the steel plate is used for replacing a back plate or glass, on one hand, the structural strength of the steel plate is higher, the photovoltaic module can be effectively supported, on the other hand, the silica gel is used for bonding the photovoltaic junction box, the bonding strength between the photovoltaic junction box and the steel plate is improved, the risk that the photovoltaic junction box falls off is reduced, and the service life of a photovoltaic assembly is prolonged.
The present invention may be further configured in a preferred embodiment as: the photovoltaic module comprises toughened glass, a solar cell panel, an insulating film and a packaging film, wherein the packaging film comprises an upper packaging film, a middle packaging film and a lower packaging film;
go up the encapsulation membrane with middle encapsulation membrane is laminated respectively solar cell panel's upper and lower two sides, toughened glass fixes go up the encapsulation membrane and keep away from solar cell panel's one side, the insulating film is fixed middle encapsulation membrane is kept away from solar cell panel's one side, the encapsulation membrane sets up down the insulating film with between the steel sheet.
Through above-mentioned technical scheme, toughened glass is on the basis that does not influence solar cell panel and gather light energy, the effectual solar cell panel that has protected, and the steel sheet is because the metal can electrically conduct, so need separate steel sheet and solar cell panel with the one deck insulating film, and the encapsulation film melts after being heated, can be used for the bonding of steel sheet and insulating film, insulating film and solar cell panel.
The present invention may be further configured in a preferred embodiment as: the steel plate is provided with a plurality of steel plate holes, the middle packaging film and the lower packaging film are respectively provided with a plurality of packaging holes, and the insulating film is provided with a plurality of insulating film holes;
the bus bar outgoing line sequentially penetrates through the packaging hole, the insulating film hole, the packaging hole and the steel plate hole and then is welded with the photovoltaic junction box, and the steel plate hole is concentrically arranged with the packaging hole and the insulating film hole.
Through above-mentioned technical scheme, steel sheet hole, encapsulation hole and insulating film hole provide installation space for the busbar lead-out wire between solar cell panel and the terminal box, realize that the busbar lead-out wire stretches out the stromatolite and is connected with photovoltaic terminal box for the electric power that solar cell produced can be connected with external line, the produced electric current of conduction photovoltaic module.
The present invention may be further configured in a preferred embodiment as: after the photovoltaic module is laminated, the packaging film is melted to package the toughened glass, the solar panel, the insulating film and the steel plate, and meanwhile, the insulating film holes and the steel plate holes are filled.
Through above-mentioned technical scheme, can be in the same place solar cell panel, insulating film and steel sheet encapsulation after the encapsulation membrane is heated and melts, improved the efficiency of encapsulation to steel sheet hole and insulating membrana pore can be filled to fused encapsulation membrane, when having avoided the lamination bus bar lead-out wire warp to remove and with the steel sheet apart from the undersize, promoted photovoltaic terminal box job stabilization nature.
The present invention may be further configured in a preferred embodiment as: the aperture of the steel plate hole is larger than that of the packaging hole, and the aperture of the packaging hole is larger than that of the insulating film hole.
Through above-mentioned technical scheme, the encapsulation membrane melts under the high temperature, has certain mobility, can overflow from the steel sheet hole after the lamination, influences the bond strength of steel sheet and photovoltaic terminal box, so the aperture ratio steel sheet hole in encapsulation hole aperture is little. The aperture of the insulating film hole is smaller than that of the packaging hole, so that the insulating film can play a good insulating role, the current on the solar cell panel is prevented from being conducted on a steel plate, and the working stability of the photovoltaic module is improved.
The present invention may be further configured in a preferred embodiment as: and a certain interval is arranged between the bus bar outgoing line and the inner side wall of the steel plate hole.
Through above-mentioned technical scheme, avoided the electric current conduction on the busbar lead-out wire on the steel sheet, improved photovoltaic module job stabilization nature.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the photovoltaic junction box is fixed on the surface, far away from the photovoltaic module, of the steel plate through the silica gel, the steel plate is used for replacing a back plate or glass, on one hand, the structural strength of the steel plate is higher, the photovoltaic module can be effectively supported, on the other hand, the silica gel is used for bonding the photovoltaic junction box, the bonding strength between the photovoltaic junction box and the steel plate is improved, the risk that the photovoltaic junction box falls off is reduced, and the service life of a photovoltaic assembly is prolonged.
2. Toughened glass is on the basis that does not influence solar cell panel collection light energy, the effectual solar cell panel that has protected, and the steel sheet is because the metal can electrically conduct, so need separate steel sheet and solar cell panel with the one deck insulating film, and the encapsulation film melts after being heated, can be used for the bonding of steel sheet and insulating film, insulating film and solar cell panel.
3. The packaging film is melted at high temperature and has certain fluidity, and the packaging film can overflow from the holes of the steel plate after being laminated to influence the bonding strength of the steel plate and the photovoltaic junction box, so that the hole diameter of the packaging hole is smaller than that of the hole of the steel plate. The aperture of the insulating film hole is smaller than that of the packaging hole, so that the insulating film can play a good insulating role, the current on the solar cell panel is prevented from being conducted on a steel plate, and the working stability of the photovoltaic module is improved.
Drawings
Fig. 1 is a sectional view of the present invention.
Reference numerals: 1. a photovoltaic module; 11. tempering the glass; 12. a solar panel; 13. an insulating film; 131. an insulating film hole; 2. a steel plate; 21. a steel plate hole; 3. a photovoltaic junction box; 4. a bus bar lead-out wire; 5. packaging the film; 51. an upper packaging film; 52. an intermediate encapsulation film; 53. a lower encapsulation film; 6. and packaging the film hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, a photovoltaic terminal box mounting structure, includes photovoltaic module, steel sheet and a plurality of photovoltaic terminal box, and photovoltaic module fixes the one side at the steel sheet, and a plurality of photovoltaic terminal boxes bond through silica gel respectively and fix the one side of keeping away from photovoltaic module at the steel sheet. And the battery in the photovoltaic module is connected with a bus bar outgoing line which penetrates through the steel plate and then is connected with the photovoltaic junction box. The photovoltaic junction box is filled with filling glue, the filling glue is poured into the photovoltaic junction box, the waterproof, insulating and anti-corrosion effects are achieved, and the bus bar outgoing line and the structure inside the photovoltaic junction box are effectively protected.
Further, the photovoltaic module comprises toughened glass, a solar cell panel, an insulating film and an encapsulating film, wherein the encapsulating film comprises an upper encapsulating film, a middle encapsulating film and a lower encapsulating film. Go up the encapsulation membrane and laminate respectively in solar cell panel's upper and lower two sides with middle encapsulation membrane, toughened glass fixes the one side of keeping away from solar cell panel at last encapsulation membrane, and the one side of keeping away from solar cell panel is fixed at middle encapsulation membrane to the insulating film, and lower encapsulation membrane setting is between insulating film and steel sheet. In this embodiment, the materials of the upper encapsulation film, the middle encapsulation film and the lower encapsulation film may be the same or different.
Toughened glass is on the basis that does not influence solar cell panel collection light energy, the effectual solar cell panel that has protected, and the steel sheet is because the metal can electrically conduct, so need separate steel sheet and solar cell panel with the one deck insulating film, and the encapsulation film melts after being heated, can be used for the bonding of steel sheet and insulating film, insulating film and solar cell panel.
Referring to fig. 1, a plurality of steel plate holes are formed in the steel plate, a plurality of packaging holes are formed in the middle packaging film and the lower packaging film respectively, and a plurality of insulating film holes are formed in the insulating film. The bus bar lead-out wire passes encapsulation hole, insulating membrane hole, encapsulation hole and steel sheet hole in proper order after with photovoltaic terminal box welding, and the steel sheet hole sets up with one heart with encapsulation hole and insulating membrane hole.
The steel plate hole, the packaging hole and the insulating film hole provide installation space for a bus bar outgoing line between the solar cell panel and the junction box, and the bus bar outgoing line is stretched out of the lamination layer to be connected with the photovoltaic junction box, so that electric power generated by the solar cell can be connected with an external circuit, and the current generated by the photovoltaic module is conducted.
In this embodiment, after the photovoltaic module is laminated, the encapsulating film melts and encapsulates the toughened glass, the solar cell panel, the insulating film and the steel plate, and the insulating film holes and the steel plate holes are filled simultaneously. After the packaging film is heated and melted, the solar cell panel, the insulating film and the steel plate can be packaged together, packaging efficiency is improved, the molten packaging film can fill the steel plate holes and the insulating film holes, the bus bar outgoing line is prevented from deforming and moving when lamination is carried out, the distance between the bus bar outgoing line and the steel plate is too small, and working stability of the photovoltaic junction box is improved.
Referring to fig. 1, the aperture of the steel plate hole is larger than that of the encapsulation hole, and the aperture of the encapsulation hole is larger than that of the insulation film hole. The packaging film is melted at high temperature and has certain fluidity, and the packaging film can overflow from the holes of the steel plate after being laminated to influence the bonding strength of the steel plate and the photovoltaic junction box, so that the hole diameter of the packaging hole is smaller than that of the hole of the steel plate. The aperture of the insulating film hole is smaller than that of the packaging hole, so that the insulating film can play a good insulating role, the current on the solar cell panel is prevented from being conducted on a steel plate, and the working stability of the photovoltaic module is improved.
Referring to fig. 1, a certain interval is arranged between the bus bar outgoing line and the inner side wall of the steel plate hole, so that current conduction on the bus bar outgoing line on a steel plate is avoided, and the working stability of the photovoltaic module is improved.
The implementation principle of the embodiment is as follows: the photovoltaic junction box is fixed on the surface, far away from the photovoltaic module, of the steel plate through the silica gel, the steel plate is used for replacing a back plate or glass, on one hand, the structural strength of the steel plate is higher, the photovoltaic module can be effectively supported, on the other hand, the silica gel is used for bonding the photovoltaic junction box, the bonding strength between the photovoltaic junction box and the steel plate is improved, the risk that the photovoltaic junction box falls off is reduced, and the service life of a photovoltaic assembly is prolonged.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (6)
1. The utility model provides a photovoltaic terminal box mounting structure which characterized in that: the photovoltaic module comprises a photovoltaic module, a steel plate and a plurality of photovoltaic junction boxes, wherein the photovoltaic module is fixed on one surface of the steel plate, and the photovoltaic junction boxes are respectively bonded and fixed on one surface, far away from the photovoltaic module, of the steel plate through silica gel;
and the battery in the photovoltaic module is connected with a bus bar outgoing line, and the bus bar outgoing line penetrates through the steel plate and then is connected with the photovoltaic junction box.
2. The photovoltaic junction box mounting structure according to claim 1, wherein: the photovoltaic module comprises toughened glass, a solar cell panel, an insulating film and a packaging film, wherein the packaging film comprises an upper packaging film, a middle packaging film and a lower packaging film;
go up the encapsulation membrane with middle encapsulation membrane is laminated respectively solar cell panel's upper and lower two sides, toughened glass fixes go up the encapsulation membrane and keep away from solar cell panel's one side, the insulating film is fixed middle encapsulation membrane is kept away from solar cell panel's one side, the encapsulation membrane sets up down the insulating film with between the steel sheet.
3. The photovoltaic junction box mounting structure according to claim 2, wherein: the steel plate is provided with a plurality of steel plate holes, the middle packaging film and the lower packaging film are respectively provided with a plurality of packaging holes, and the insulating film is provided with a plurality of insulating film holes;
the bus bar outgoing line sequentially penetrates through the packaging hole, the insulating film hole, the packaging hole and the steel plate hole and then is welded with the photovoltaic junction box, and the steel plate hole is concentrically arranged with the packaging hole and the insulating film hole.
4. The photovoltaic junction box mounting structure according to claim 3, wherein: after the photovoltaic module is laminated, the packaging film is melted to package the toughened glass, the solar panel, the insulating film and the steel plate, and meanwhile, the insulating film holes and the steel plate holes are filled.
5. The photovoltaic junction box mounting structure according to claim 3, wherein: the aperture of the steel plate hole is larger than that of the packaging hole, and the aperture of the packaging hole is larger than that of the insulating film hole.
6. The photovoltaic junction box mounting structure according to claim 3, wherein: and a certain interval is arranged between the bus bar outgoing line and the inner side wall of the steel plate hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623849.XU CN214412669U (en) | 2021-03-26 | 2021-03-26 | Photovoltaic terminal box mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120623849.XU CN214412669U (en) | 2021-03-26 | 2021-03-26 | Photovoltaic terminal box mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214412669U true CN214412669U (en) | 2021-10-15 |
Family
ID=78030786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120623849.XU Active CN214412669U (en) | 2021-03-26 | 2021-03-26 | Photovoltaic terminal box mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214412669U (en) |
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2021
- 2021-03-26 CN CN202120623849.XU patent/CN214412669U/en active Active
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