Power supply junction box capable of efficiently dissipating heat

Abstract

The utility model discloses a power supply junction box capable of efficiently dissipating heat. The power supply junction box comprises a shell, a cover plate and a heat-conducting double-faced adhesive tape, a mounting opening is formed in the upper end of the shell, a partition plate is arranged in the shell, so that an inner cavity of the shell is divided into a control cavity and a wiring cavity, a threading groove is formed in the partition plate, and a plurality of heat dissipation holes communicated with the control cavity are formed in the side wall of the shell; the cover plate is connected with the shell through a first detachable structure and seals the mounting opening; the power supply main body is arranged in the control cavity and is adhered to the inner bottom wall of the shell through a heat-conducting double-faced adhesive tape; a connecting wire of the power supply main body penetrates through the threading groove and extends into the wiring cavity; heat generated by the power supply main body can be conducted to the shell through the heat-conducting double-faced adhesive tape and / or discharged out of the shell through the heat dissipation holes; through the structure, the heat dissipation capability of the power supply main body arranged in the junction box can be greatly improved, meanwhile, the requirement for the heat dissipation performance of the power supply main body is low, the application range of the junction box is expanded, and the junction box has very good practicability.

Description

Technical Field

[0001] The utility model relates to the field of power connection boxes, in particular to a power connection box capable of efficiently dissipating heat. Background Art

[0002] LED power supply junction box is usually used for wiring installation of LED control device or LED power supply, which can meet safety requirements and bring convenience to customers. Since LED power supply will generate a lot of heat when working, it needs to be discharged in time to avoid heat accumulation in the junction box. In the existing power supply junction box, the heat dissipation method is to open heat dissipation holes on the junction box, and then use the heat dissipation fan inside the power supply to blow the heat inside the power supply to the outside through the heat dissipation holes on the junction box. The junction box with this heat dissipation structure requires the power supply itself to be equipped with a heat dissipation fan, otherwise the heat will still accumulate inside the junction box, and good heat dissipation cannot be achieved. Therefore, there is an urgent need for a power supply junction box with efficient heat dissipation to solve the above problems. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model provides a power connection box capable of efficiently dissipating heat.

[0004] The technical solution adopted by an embodiment of the utility model to solve the technical problem is: a power connection box capable of efficiently dissipating heat, comprising a shell, a cover plate and a heat-conducting double-sided adhesive;

[0005] The upper end of the shell has a mounting opening, a partition is arranged inside the shell so that the inner cavity of the shell is divided into a control cavity and a wiring cavity, a wire threading groove is arranged on the partition, and a plurality of heat dissipation holes connected with the control cavity are arranged on the side wall of the shell;

[0006] The cover plate is connected to the housing through a first detachable structure and closes the installation opening;

[0007] The power source body is arranged in the control cavity and is bonded to the inner bottom wall of the housing by means of a heat-conducting double-sided adhesive. The connecting wire of the power source body is passed through the wire-threading groove and extends into the wiring cavity.

[0008] The heat generated by the power supply body can be conducted to the housing through the heat-conducting double-sided adhesive and / or discharged to the outside of the housing through the heat dissipation holes.

[0009] As one of the preferred embodiments of the utility model, a plurality of knock-out holes communicating with the wiring chamber and / or the control chamber are provided on the housing.

[0010] As one of the preferred embodiments of the present utility model, the partition is connected to the inner wall of the shell through a second detachable structure.

[0011] As one of the preferred embodiments of the utility model, the second detachable structure includes a card slot arranged on the inner side wall of the shell and a card block arranged on the partition, and the card block can be engaged in the card slot when the partition is installed in the shell.

[0012] As one of the preferred embodiments of the utility model, a power junction box capable of efficiently dissipating heat further includes a first supporting portion disposed on the partition and abutting against an inner bottom wall of the shell.

[0013] As one of the preferred embodiments of the utility model, a power junction box capable of efficiently dissipating heat further includes a second supporting portion disposed on the partition and abutting against an inner side wall of the shell.

[0014] As one of the preferred embodiments of the present utility model, the housing and / or the cover plate are made of metal material.

[0015] As one of the preferred embodiments of the present utility model, the first detachable structure is configured as a first bolt connection structure.

[0016] As one of the preferred embodiments of the present utility model, the shell is connected to the installation position through a third detachable structure.

[0017] As one of the preferred embodiments of the present utility model, the third detachable structure is configured as a second bolt connection structure.

[0018] The beneficial effects of the utility model include: a power connection box with efficient heat dissipation, comprising a shell, a cover plate and a thermally conductive double-sided adhesive tape; an installation port is provided at the upper end of the shell, a partition is provided in the shell so that the inner cavity of the shell is divided into a control cavity and a wiring cavity, a wire threading groove is provided on the partition plate, and a plurality of heat dissipation holes connected with the control cavity are provided on the side wall of the shell; the cover plate is connected to the shell through a first detachable structure and closes the installation port; the power supply body is arranged in the control cavity and is bonded to the inner bottom wall of the shell through the thermally conductive double-sided adhesive tape, and the connecting wire of the power supply body is passed through the wire threading groove and extends into the wiring cavity; the heat generated by the power supply body can be conducted to the shell through the thermally conductive double-sided adhesive tape and / or discharged to the outside of the shell through the heat dissipation holes; the above structure can greatly improve the heat dissipation capacity of the power supply body when it is installed in the connection box, and at the same time, the heat dissipation performance requirements of the power supply body are relatively low, thereby expanding the application scope of the connection box and having very good practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0020] Figure 1 It is a structural schematic diagram of a power junction box capable of efficient heat dissipation;

[0021] Figure 2An exploded view of a power junction box capable of efficiently dissipating heat;

[0022] Figure 3 Schematic diagram of the structure of the partition. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0027] Reference Figures 1 to 3 , a power junction box capable of efficiently dissipating heat, comprising a housing 10, a cover plate 20 and a thermally conductive double-sided adhesive 30;

[0028] The upper end of the housing 10 has a mounting opening 13, and a partition 40 is provided inside the housing 10 so that the inner cavity of the housing 10 is divided into a control cavity 11 and a wiring cavity 12. A threading groove 41 is provided on the partition 40, and a plurality of heat dissipation holes 14 communicating with the control cavity 11 are provided on the side wall of the housing 10;

[0029] The cover plate 20 is connected to the housing 10 through the first detachable structure 50 and closes the installation opening 13;

[0030] The power source body 60 is disposed in the control cavity 11 and is bonded to the inner bottom wall of the housing 10 by means of a heat-conductive double-sided adhesive 30 . The connecting wires of the power source body 60 are passed through the wire-threading groove 41 and extend into the wiring cavity 12 .

[0031] The heat generated by the power source body 60 can be conducted to the housing 10 through the heat-conductive double-sided adhesive 30 and / or discharged to the outside of the housing 10 through the heat dissipation holes 14 .

[0032] In the present invention, during assembly, the partition 40 is clamped in the housing 10, so that the inner cavity of the housing 10 is divided into the control cavity 11 and the wiring cavity 12. After the heat-conductive double-sided adhesive 30 is pasted on the bottom surface of the power supply body 60, the power supply body 60 is bonded to the inner bottom wall of the control cavity 11 of the housing 10, and the connecting wire of the power supply body 60 is passed through the threading groove 41 on the partition 40 and extends into the wiring cavity 12. The cover plate is installed on the housing 10 so that the installation opening 13 on the housing 10 is closed; when wiring, the corresponding knock-out hole 15 can be knocked out as needed, and the connecting wire of the external device and the power supply body 60 is connected and placed in the wiring cavity 12. 2, thereby accommodating and protecting the connecting wires; and part of the heat generated by the power supply body 60 during operation is conducted to the shell 10 through the shell of the power supply body 60 and the thermal double-sided adhesive 30, and then dissipated to the surrounding air by the shell 10, and the other part of the heat directly overflows from the shell of the power supply body 60 into the inner cavity of the shell 10, and is dissipated to the surrounding air through the heat dissipation holes 14 on the shell 10; the advantage of the utility model is that: through the above structure, the heat dissipation capacity of the power supply body when installed in the junction box can be greatly improved, and at the same time, the heat dissipation performance requirements of the power supply body are relatively low, which expands the application range of the junction box and has very good practicality.

[0033] The housing 10 is provided with a plurality of knock-out holes 15 communicating with the wiring chamber 12 and / or the control chamber 11 .

[0034] The partition 40 is connected to the inner wall of the shell 10 via the second detachable structure 70 ; of course, the partition 40 can be integrally formed with the shell 10 .

[0035] As a preferred embodiment of the second detachable structure 70 , the second detachable structure 70 includes a slot 71 arranged on the inner wall of the shell 10 and a block 72 arranged on the partition 40 . The block 72 can be engaged in the slot 71 when the partition 40 is installed in the shell 10 .

[0036] A power junction box capable of efficiently dissipating heat also includes a first support portion 81 disposed on the partition 40 and abutting against the inner bottom wall of the shell 10; a power junction box capable of efficiently dissipating heat also includes a second support portion 82 disposed on the partition 40 and abutting against the inner side wall of the shell 10; by arranging the first support portion 81 and the second support portion 82 to support the partition 40, not only the installation of the partition 40 is facilitated, but also the partition 40 is prevented from tipping over.

[0037] Preferably, the housing 10 and / or the cover plate 20 are made of metal material.

[0038] As a preferred embodiment of the second detachable structure 70, the first detachable structure 50 is configured as a first bolt connection structure.

[0039] The housing 10 is connected to the installation position via a third detachable structure 90 .

[0040] As a preferred embodiment of the second detachable structure 70, the third detachable structure 90 is configured as a second bolt connection structure.

[0041] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A power junction box capable of efficient heat dissipation, characterized in that: It comprises a housing (10), a cover plate (20) and a heat-conducting double-sided adhesive (30); The upper end of the shell (10) is provided with a mounting opening (13); a partition (40) is provided inside the shell (10) so that the inner cavity of the shell (10) is divided into a control cavity (11) and a wiring cavity (12); a wire threading groove (41) is provided on the partition (40); and a plurality of heat dissipation holes (14) in communication with the control cavity (11) are provided on the side wall of the shell (10); The cover plate (20) is connected to the housing (10) via a first detachable structure (50) and closes the installation opening (13); The power source body (60) is arranged in the control cavity (11) and is bonded to the inner bottom wall of the housing (10) by means of the heat-conductive double-sided adhesive (30); the connecting wire of the power source body (60) is passed through the wire threading groove (41) and extends into the wiring cavity (12); The heat generated by the power source body (60) can be conducted to the housing (10) through the heat-conducting double-sided adhesive (30) and / or discharged to the outside of the housing (10) through the heat dissipation holes (14).

2. A power junction box capable of efficient heat dissipation according to claim 1, characterized in that: The housing (10) is provided with a plurality of knock-out holes (15) which are in communication with the wiring chamber (12) and / or the control chamber (11).

3. The power junction box capable of efficient heat dissipation according to claim 1, characterized in that: The partition (40) is connected to the inner side wall of the shell (10) via a second detachable structure (70).

4. A power junction box capable of efficient heat dissipation according to claim 3, characterized in that: The second detachable structure (70) comprises a card slot (71) arranged on the inner side wall of the shell (10) and a card block (72) arranged on the partition (40); the card block (72) can be carded in the card slot (71) when the partition (40) is installed in the shell (10).

5. The power junction box capable of high-efficiency heat dissipation according to claim 3, characterized in that: It also includes a first supporting portion (81) which is arranged on the partition (40) and abuts against the inner bottom wall of the shell (10).

6. The power junction box capable of high-efficiency heat dissipation according to claim 3, characterized in that: It also includes a second supporting portion (82) which is arranged on the partition (40) and abuts against the inner wall of the shell (10).

7. The power junction box capable of high-efficiency heat dissipation according to claim 1, characterized in that: The housing (10) and / or the cover plate (20) are made of metal material.

8. The power junction box capable of efficient heat dissipation according to claim 1, characterized in that: The first detachable structure (50) is configured as a first bolt connection structure.

9. The power junction box capable of high-efficiency heat dissipation according to claim 1, characterized in that: The housing (10) is connected to the installation position via a third detachable structure (90).

10. The power junction box capable of high-efficiency heat dissipation according to claim 9, characterized in that: The third detachable structure (90) is configured as a second bolt connection structure.

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