CN213718527U - Heat radiation structure of range hood - Google Patents
Heat radiation structure of range hood Download PDFInfo
- Publication number
- CN213718527U CN213718527U CN202022713077.7U CN202022713077U CN213718527U CN 213718527 U CN213718527 U CN 213718527U CN 202022713077 U CN202022713077 U CN 202022713077U CN 213718527 U CN213718527 U CN 213718527U
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- China
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- heat
- heating panel
- range hood
- pcb
- mounting
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Abstract
The utility model provides a range hood heat radiation structure, box, PCB board, baffle and heating panel including range hood, the baffle sets up between heating panel and PCB board, be provided with the window on the baffle, be provided with on the heating panel to the convex heat-conducting part of the high fever part of PCB board, the window position corresponds with heat-conducting part, high fever part, the bottom side of heating panel and the metal sheet laminating of box for, form preliminary heat dissipation through heating panel and the transmission of PCB board high fever part, and the metal sheet laminating of heating panel and box makes on the heating panel heat transmit the box fast, increased heat radiating area, greatly improved the radiating rate, avoided the high fever part temperature of circuit board to rise, prolonged the life-span of circuit board, reduce and sell the back.
Description
Technical Field
The utility model relates to a range hood heat radiation structure.
Background
When the circuit board of the existing household appliance is used, because the IPM module or the CPU or the IGBT on the circuit board has high heat, the temperature of the circuit board is increased, the service life of the circuit board is shortened, and other components and parts can be caused to break down.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, the utility model provides a range hood heat radiation structure aims at solving the high problem of the local temperature rise of circuit board on domestic appliance especially the range hood.
The utility model provides a range hood heat radiation structure, box, PCB board, baffle and heating panel including range hood, the baffle sets up between heating panel and PCB board, be provided with the window on the baffle, be provided with on the heating panel to the convex heat-conducting part of the high fever part of PCB board, the window position corresponds with heat-conducting part, high fever part, the bottom side of heating panel and the metal sheet laminating of box for, form preliminary heat dissipation through heating panel and the transmission of PCB board high fever part, and the metal sheet laminating of heating panel and box makes on the heating panel heat transmit the box fast, increased heat radiating area, greatly improved the radiating rate, avoided the high fever part temperature of circuit board to rise, prolonged the life-span of circuit board, reduce and sell the back.
In one or more embodiments, a heat conducting silica gel pad is arranged between the heat conducting part and the high heat part, so that heat can be conducted between the PCB and the heat dissipation plate, insulation is achieved, and the problem of short circuit is avoided.
In one or more embodiments, the partition board is provided with a mounting cavity and a mounting space, the PCB is mounted on the mounting cavity, the heat dissipation plate is mounted on the mounting space, and the mounting cavity and the mounting space are formed by the partition board to insulate the PCB at intervals.
In one or more embodiments, the left side and the right side of one end of the installation cavity are provided with the installation enclosure frame for installing the end pins of the PCB so as to reduce the installation of screws, improve the installation efficiency, reduce the material inventory and reduce the production cost.
In one or more embodiments, the mounting enclosure forms a triangle.
In one or more embodiments, a support member is further disposed on the mounting cavity, and the PCB is mounted on the support member and forms a ventilation and heat dissipation space with the partition plate so as to facilitate heat dissipation of the PCB.
In one or more embodiments, the partition plate is provided with a connection screw hole so that the PCB, the partition plate, and the heat dissipation plate are connected together.
The utility model has the advantages that: the heat dissipation plate is transmitted with the high-heat part of the PCB and dissipates heat to form preliminary heat dissipation, and the heat dissipation plate is attached to the metal plate of the box body, so that the heat on the heat dissipation plate is quickly transmitted to the box body, the heat dissipation area is increased, the heat dissipation speed is greatly improved, the temperature rise of the high-heat part of the circuit board is avoided, the service life of the circuit board is prolonged, and the after-sale is reduced.
Drawings
Fig. 1 is a schematic diagram of a heat dissipation structure in a disassembled state.
Fig. 2 is a schematic cross-sectional view of a heat dissipation structure of a range hood.
Detailed Description
The application scheme is further described below with reference to the accompanying drawings:
referring to the attached drawings 1-2, a heat dissipation structure of a range hood comprises a box body 5 of the range hood, a PCB 1, a partition plate 2 and a heat dissipation plate 3, wherein the partition plate 2 is arranged between the heat dissipation plate 3 and the PCB 1, a window 21 is arranged on the partition plate 2, a heat conduction part 31 protruding towards a high heat part 11 of the PCB 1 is arranged on the heat dissipation plate 3, the window 21 corresponds to the heat conduction part 31 and the high heat part 11, and the bottom side of the heat dissipation plate 3 is connected and attached with a metal plate of the box body 5 through screws.
Further, a thermally conductive silicone pad 4 is disposed between the thermally conductive portion 31 and the high heat portion 11.
Further, the partition board 2 is provided with an installation cavity 22 and an installation space 23, the PCB board 1 is installed on the installation cavity 22, and the heat dissipation plate 3 is installed on the installation space 23.
Further, a mounting enclosure frame 24 is disposed on the left and right sides of one end of the mounting cavity 22 for mounting the terminal pin of the PCB board 1.
Further, the mounting enclosure 24 forms a triangle.
Further, a support member 25 is further disposed on the mounting cavity 22, and the PCB board 1 is mounted on the support member 25 and forms a ventilation and heat dissipation interval with the partition board 2.
Further, the partition board 2 is provided with a connection screw hole 26 so that the PCB board 1, the partition board 2 and the heat dissipation plate 3 are connected together by a screw.
The above preferred embodiments should be considered as examples of the embodiments of the present application, and technical deductions, substitutions, improvements and the like similar to, similar to or based on the embodiments of the present application should be considered as the protection scope of the present patent.
Claims (7)
1. The utility model provides a range hood heat radiation structure, its characterized in that, includes range hood's box, PCB board, baffle and heating panel, the baffle sets up between heating panel and PCB board, be provided with the window on the baffle, be provided with on the heating panel to the convex heat conduction part of the high fever part of PCB board, the window position corresponds with heat conduction part, high fever part, the bottom side of heating panel and the metal sheet laminating of box.
2. The heat dissipation structure of extractor hood according to claim 1, wherein a heat conductive silicone pad is disposed between the heat conductive portion and the high heat portion.
3. The heat dissipation structure of range hood according to claim 1, wherein the partition plate is provided with a mounting cavity and a mounting space, the PCB is mounted on the mounting cavity, and the heat dissipation plate is mounted on the mounting space.
4. The heat dissipating structure of a kitchen ventilator according to claim 3, wherein the left and right sides of one end of the mounting cavity are provided with mounting enclosure frames for mounting the terminal pins of the PCB.
5. The heat dissipating structure of a range hood as claimed in claim 4, wherein the mounting enclosure forms a triangle.
6. The heat dissipating structure of a range hood as claimed in claim 3, wherein the mounting cavity is further provided with a support member, and the PCB is mounted on the support member and forms a ventilation and heat dissipating space with the partition plate.
7. The heat dissipating structure of a range hood as claimed in claim 1, wherein the partition board has a connecting screw hole to connect the PCB board, the partition board and the heat dissipating board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022713077.7U CN213718527U (en) | 2020-11-19 | 2020-11-19 | Heat radiation structure of range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022713077.7U CN213718527U (en) | 2020-11-19 | 2020-11-19 | Heat radiation structure of range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213718527U true CN213718527U (en) | 2021-07-16 |
Family
ID=76783593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022713077.7U Active CN213718527U (en) | 2020-11-19 | 2020-11-19 | Heat radiation structure of range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213718527U (en) |
-
2020
- 2020-11-19 CN CN202022713077.7U patent/CN213718527U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |