CN220874509U - Solar photovoltaic junction box - Google Patents
Solar photovoltaic junction box Download PDFInfo
- Publication number
- CN220874509U CN220874509U CN202322487535.3U CN202322487535U CN220874509U CN 220874509 U CN220874509 U CN 220874509U CN 202322487535 U CN202322487535 U CN 202322487535U CN 220874509 U CN220874509 U CN 220874509U
- Authority
- CN
- China
- Prior art keywords
- box body
- solar photovoltaic
- photovoltaic junction
- heat conduction
- junction box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 62
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000010949 copper Substances 0.000 claims abstract description 18
- 229910052802 copper Inorganic materials 0.000 claims abstract description 18
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052782 aluminium Inorganic materials 0.000 claims description 23
- 239000000758 substrate Substances 0.000 claims description 22
- 230000001681 protective effect Effects 0.000 claims description 12
- 239000003292 glue Substances 0.000 claims description 3
- 238000005476 soldering Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000004033 plastic Substances 0.000 description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 230000003712 anti-aging effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a solar photovoltaic junction box which comprises a box body, wherein a first reverse-square sealing groove is formed in the periphery of the upper end of the box body, a square sealing ring edge is fixed on the periphery of the box body, a second reverse-square sealing groove is formed in the upper end of the sealing ring edge, a box cover is arranged above the box body, and a first reverse-square sealing ring is bonded to the first reverse-square sealing groove at the bottom end of the box cover. The beneficial effects are that: according to the solar photovoltaic junction box, on one hand, the sealing area of the box cover can be effectively increased under the action of the first back-shaped sealing groove, the second back-shaped sealing groove, the first back-shaped sealing ring and the second back-shaped sealing ring, so that the solar photovoltaic junction box is effectively prevented from water inflow in the use process, and on the other hand, the heat in the box body can be effectively discharged under the action of the heat-conducting copper sheet by penetrating the heat-conducting copper sheet into the box body, and the efficient heat dissipation of the solar photovoltaic junction box is realized.
Description
Technical Field
The utility model relates to the technical field of photovoltaic junction boxes, in particular to a solar photovoltaic junction box.
Background
The solar photovoltaic junction box is used as a connector of a solar cell module, and has the main effects of leading out electric energy generated by the solar cell module through a cable, and the characteristics of the solar photovoltaic junction box, which are required to be provided due to the special use condition of the solar cell and the high value of the solar cell, include: 1. the shell has the anti-aging and ultraviolet-resistant capabilities; 2. meets the use requirement under the outdoor severe environment condition; 3. the effective heat dissipation mode and the reasonable inner cavity volume meet the heat dissipation requirement; 4. meeting the electrical safety requirements; 5. good waterproof and dustproof protection.
The current solar photovoltaic junction box mainly comprises a fixed square box body and a square box cover fixed on the box body, the protection of devices in the box body is achieved, meanwhile, the solar photovoltaic junction box with the structure is mainly characterized in that a plastic rib plate fixed on the outer side of the box body is used for radiating, on one hand, the square box body and the square box cover are mainly sealed by means of contact between the outer edge of the upper end of the box body and the box cover when being closed, the sealing area is small, so that the sealing performance of the solar photovoltaic junction box in use is poor, water is easy to enter, and on the other hand, the plastic rib plate is used for radiating, so that the heat inside the box body is slow to radiate, and the solar photovoltaic junction box is inconvenient to radiate efficiently.
Disclosure of utility model
First, the technical problem to be solved
Aiming at the current state of the art, the utility model provides the solar photovoltaic junction box which has good sealing performance and can efficiently dissipate heat.
(II) technical scheme
The utility model is realized by the following technical scheme: the utility model provides a solar photovoltaic junction box which comprises a box body, wherein a first square sealing groove is formed in the periphery of the upper end of the box body, a square sealing ring edge is fixed on the periphery of the box body, a second square sealing groove is formed in the upper end of the sealing ring edge, a box cover is arranged above the box body, a first square sealing ring is bonded to the position, opposite to the first square sealing groove, of the bottom end of the box cover, a second square sealing ring is bonded to the position, opposite to the second square sealing groove, of the bottom end of the box cover, and heat conducting copper sheets penetrate through the box body and the sealing ring edge.
Furthermore, the middle part of the bottom in the box body is fixed with a high heat conduction aluminum substrate through a fixed column, protective diodes are uniformly distributed on one side of the upper end of the high heat conduction aluminum substrate, a conducting strip is fixed on one side of the protective diodes on the high heat conduction aluminum substrate, and a connecting terminal is fixed on the box body opposite to the conducting strip.
Through adopting above-mentioned technical scheme, high heat conduction aluminium base board can realize the produced heat of protection diode at the during operation is led away fast, protection diode mainly used is right the circuit in the box body is protected.
Furthermore, the first seal groove in the shape of the Chinese character 'hui' is formed on the box body, the second seal groove in the shape of the Chinese character 'hui' is formed on the edge of the seal ring, and the edge of the seal ring is bonded with the box body.
By adopting the technical scheme, the design of the first reverse-square-shaped sealing groove and the second reverse-square-shaped sealing groove can effectively improve the sealing area of the box cover when the box cover is closed.
Furthermore, the first back-shaped sealing ring and the second back-shaped sealing ring are made of rubber, and the box cover and the box body are locked through a buckle.
By adopting the technical scheme, the first return-shaped sealing ring and the second return-shaped sealing ring can be reliably clamped and fixed, and meanwhile, the box body can be reliably locked.
Further, the heat conducting copper sheet, the box body and the sealing ring edge are fixed through heat conducting sealing glue, and the heat conducting copper sheet adopts a square sheet structure.
Through adopting above-mentioned technical scheme, will the heat conduction copper sheet runs through the box body with the sealing ring limit, can utilize the high heat conductivility of heat conduction copper sheet realizes the high-efficient discharge of heat in the box body.
Further, the fixing column is adhered to the box body, and the fixing column is connected with the high-heat-conductivity aluminum substrate through screws.
By adopting the technical scheme, the high heat conduction aluminum substrate can be reliably fixed in the box body under the action of the fixing column.
Further, the conducting strip is in screw connection with the high heat conduction aluminum substrate and the wiring terminal, and the protective diode is in tin soldering connection with the high heat conduction aluminum substrate.
By adopting the technical scheme, the conducting strip is mainly used for ensuring the connection of the wiring terminal circuit, so that the normal use of the wiring terminal is ensured.
(III) beneficial effects
Compared with the prior art, the utility model has the following beneficial effects:
In order to solve the problem that the current solar photovoltaic junction box mainly comprises a fixed square box body and a square box cover fixed on the box body, meanwhile, the solar photovoltaic junction box with the structure mainly adopts a plastic rib plate fixed on the outer side of the box body to dissipate heat, on one hand, the square box body and the square box cover mainly depend on the contact of the outer edge of the upper end of the box body and the box cover to seal when being closed, the sealing area is small, so that the sealing performance of the solar photovoltaic junction box is poor when in use, water is easy to enter, and on the other hand, the plastic rib plate is adopted to dissipate heat, so that the heat inside the box body is slow to dissipate, and the problem that the solar photovoltaic junction box is inconvenient to dissipate heat efficiently is solved.
Drawings
FIG. 1 is a split view of a solar photovoltaic junction box according to the present utility model;
FIG. 2 is a top view of a box body in a solar photovoltaic junction box according to the present utility model;
Fig. 3 is a bottom view of a cover of a solar photovoltaic junction box according to the present utility model.
The reference numerals are explained as follows:
1. A box cover; 2. a first seal ring in a shape like a Chinese character 'Hui'; 3. the second seal groove is shaped like a Chinese character 'Hui'; 4. the first seal groove is shaped like a Chinese character 'Hui'; 5. a case body; 6. a connection terminal; 7. a conductive sheet; 8. fixing the column; 9. a thermally conductive copper sheet; 10. a high heat conduction aluminum substrate; 11. a sealing ring edge; 12. a protective diode; 13. and a second seal ring in the shape of a Chinese character 'Hui'.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
As shown in fig. 1-3, a solar photovoltaic junction box in this embodiment includes a box body 5, a first sealing groove 4 shaped like a Chinese character 'hui' is formed in the periphery of the upper end of the box body 5, a second sealing groove 3 shaped like a Chinese character 'hui' is formed in the upper end of the sealing groove 11, a box cover 1 is arranged above the box body 5, a first sealing ring 2 shaped like a Chinese character 'hui' is bonded at the position, opposite to the first sealing groove 4, of the bottom end of the box cover 1, a second sealing ring 13 shaped like a Chinese character 'hui' is bonded at the position, opposite to the second sealing groove 3 shaped like a Chinese character 'hui', heat conducting copper sheet 9 is penetrated in the box body 5 and the sealing groove 11, the heat conducting copper sheet 9, the box body 5 and the sealing groove 11 are fixed through heat conducting sealing glue, the heat conducting copper sheet 9 adopts a square sheet structure, the heat conducting copper sheet 9 penetrates through the box body 5 and the sealing groove 11, the high heat conducting performance of the heat conducting copper sheet 9 can be utilized to realize the efficient discharge of the heat in the box body 5, and meanwhile the sealing area of the first sealing ring 1 is effectively increased under the actions of the first sealing groove 4 shaped like a Chinese character 'hui's seal groove 3 and the second sealing ring 13 shaped like a Chinese character 'hui's seal, and the sealing area of the box 1 when the inside the junction box is effectively used.
As shown in fig. 1-3, in this embodiment, a high heat conduction aluminum substrate 10 is fixed in the middle of the inner bottom of the box body 5 through a fixing column 8, protective diodes 12 are uniformly distributed on one side of the upper end of the high heat conduction aluminum substrate 10, a conductive sheet 7 is fixed on one side of the high heat conduction aluminum substrate 10, which is located on the protective diode 12, a connection terminal 6 is fixed on the position, opposite to the conductive sheet 7, of the box body 5, the high heat conduction aluminum substrate 10 can realize rapid conduction and removal of heat generated by the protective diode 12 during operation, the protective diode 12 is mainly used for protecting circuits in the box body 5, the conductive sheet 7 is in screw connection with the high heat conduction aluminum substrate 10 and the connection terminal 6, the protective diode 12 is in tin soldering connection with the high heat conduction aluminum substrate 10, and the conductive sheet 7 is mainly used for ensuring connection of the circuit of the connection terminal 6, so that normal use of the connection terminal 6 is ensured.
As shown in fig. 1-3, in this embodiment, the first seal groove 4 is formed on the box body 5, the second seal groove 3 is formed on the seal ring edge 11, the seal ring edge 11 is bonded with the box body 5, the design of the first seal groove 4 and the second seal groove 3 can effectively promote the sealing area of the box cover 1 during closing, the first seal groove 2 and the second seal groove 13 are made of rubber, the box cover 1 and the box body 5 are locked by a buckle, reliable clamping and fixing of the first seal groove 2 and the second seal groove 13 can be ensured, meanwhile, reliable locking of the box body 5 is realized, the fixing column 8 is bonded with the box body 5, the fixing column 8 is connected with the high heat conduction aluminum substrate 10 by screws, and reliable fixing of the high heat conduction aluminum substrate 10 in the box body 5 can be realized under the action of the fixing column 8.
The specific implementation process of this embodiment is as follows: when the solar photovoltaic junction box is used, the box cover 1 and the box body 5 are clamped and fixed in the mode shown in the figure 1, the wiring terminal 6 is communicated with an external circuit, so that the solar photovoltaic junction box can be used, the sealing area of the box cover 1 when the box cover is closed is effectively increased under the actions of the first return-line-shaped sealing groove 4, the second return-line-shaped sealing groove 3, the first return-line-shaped sealing ring 2 and the second return-line-shaped sealing ring 13 in the use process, the solar photovoltaic junction box is effectively prevented from being internally filled with water when the solar photovoltaic junction box is used, and meanwhile, heat in the box body 5 can be effectively discharged under the action of the heat conducting copper sheet 9 by penetrating the heat conducting copper sheet 9 into the box body 5.
The above examples are merely illustrative of the preferred embodiments of the present utility model and are not intended to limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.
Claims (7)
1. A solar photovoltaic junction box, characterized in that: including box body (5), back font seal groove one (4) has been seted up to box body (5) upper end periphery, interior square seal ring limit (11) that are fixed with of box body (5), back font seal groove two (3) have been seted up to seal ring limit (11) upper end, lid (1) have been laid to box body (5) top, lid (1) bottom just right back font seal groove one (4) department bonds has back font seal ring one (2), lid (1) bottom just right back font seal groove two (3) department bonds has back font seal ring two (13), box body (5) and all run through in seal ring limit (11) have heat conduction copper sheet (9).
2. A solar photovoltaic junction box according to claim 1, wherein: the high heat conduction aluminum substrate (10) is fixed in the middle of the inner bottom of the box body (5) through the fixing column (8), the protective diodes (12) are uniformly distributed on one side of the upper end of the high heat conduction aluminum substrate (10), the conductive sheet (7) is fixed on one side of the protective diodes (12) on the high heat conduction aluminum substrate (10), and the connecting terminal (6) is fixed on the box body (5) right opposite to the conductive sheet (7).
3. A solar photovoltaic junction box according to claim 1, wherein: the first seal groove (4) is formed on the box body (5), the second seal groove (3) is formed on the seal ring edge (11), and the seal ring edge (11) is bonded with the box body (5).
4. A solar photovoltaic junction box according to claim 1, wherein: the first return-shaped sealing ring (2) and the second return-shaped sealing ring (13) are made of rubber, and the box cover (1) and the box body (5) are locked through a buckle.
5. A solar photovoltaic junction box according to claim 1, wherein: the heat conduction copper sheet (9) is fixed with the box body (5) and the sealing ring edge (11) through heat conduction sealing glue, and the heat conduction copper sheet (9) adopts a square sheet structure.
6. A solar photovoltaic junction box according to claim 2, characterized in that: the fixing columns (8) are adhered to the box body (5), and the fixing columns (8) are connected with the high-heat-conductivity aluminum substrate (10) through screws.
7. A solar photovoltaic junction box according to claim 2, characterized in that: the electric conduction sheet (7) is connected with the high heat conduction aluminum substrate (10) and the wiring terminal (6) through screws, and the protective diode (12) is connected with the high heat conduction aluminum substrate (10) through soldering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322487535.3U CN220874509U (en) | 2023-09-13 | 2023-09-13 | Solar photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322487535.3U CN220874509U (en) | 2023-09-13 | 2023-09-13 | Solar photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220874509U true CN220874509U (en) | 2024-04-30 |
Family
ID=90813376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322487535.3U Active CN220874509U (en) | 2023-09-13 | 2023-09-13 | Solar photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220874509U (en) |
-
2023
- 2023-09-13 CN CN202322487535.3U patent/CN220874509U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |