CN222256434U - Heat radiation structure of light modulator - Google Patents
Heat radiation structure of light modulator Download PDFInfo
- Publication number
- CN222256434U CN222256434U CN202420898658.8U CN202420898658U CN222256434U CN 222256434 U CN222256434 U CN 222256434U CN 202420898658 U CN202420898658 U CN 202420898658U CN 222256434 U CN222256434 U CN 222256434U
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- Prior art keywords
- insulating
- dimmer
- heat
- heating component
- main heating
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- 230000005855 radiation Effects 0.000 title claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims abstract description 54
- 239000002184 metal Substances 0.000 claims abstract description 54
- 238000010438 heat treatment Methods 0.000 claims abstract description 49
- 230000017525 heat dissipation Effects 0.000 claims description 49
- 239000000919 ceramic Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 238000005056 compaction Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The utility model discloses a heat radiation structure of a light modulator, which comprises an insulating shell, a light modulator, a metal heat radiation seat and an insulating heat conduction piece, wherein the light modulator is arranged in the insulating shell, a yielding port is arranged on the insulating shell corresponding to a main heating component of the light modulator, the main heating component of the light modulator is opposite to the yielding port, the metal heat radiation seat is sleeved on the insulating shell and connected with the insulating shell, the metal heat radiation seat is in heat conduction fit with the main heating component of the light modulator through the insulating heat conduction piece, the insulating heat conduction piece is clamped between the main heating component of the light modulator and the metal heat radiation seat, and two sides of the insulating heat conduction piece are respectively contacted with the main heating component of the light modulator and the metal heat radiation seat. The utility model can effectively improve the heat radiation performance of the dimming controller.
Description
Technical Field
The present utility model relates to the field of dimmers, and more particularly, to a heat dissipation structure of a dimmer.
Background
A dimmer is an electrical device for changing the brightness and/or color temperature of a lighting device. Existing dimmers generally include a housing and a dimmer control mounted in the housing. In order to solve the problem, the existing light modulator generally has a radiating hole in the shell, but the measure can not lead the heat generated by the light modulator to be quickly led out, so that the heat dissipation of the light modulator is poor.
In view of the above problems, it is necessary to develop a heat dissipation structure of a dimmer, which can effectively improve the heat dissipation performance of a dimmer controller.
Disclosure of utility model
The utility model aims to provide a heat dissipation structure of a dimmer, which can effectively improve the heat dissipation performance of a dimming controller.
In order to achieve the above object, the solution of the present utility model is:
A heat dissipation structure of a light modulator comprises an insulating shell, a light modulator controller, a metal heat dissipation seat and an insulating heat conduction piece, wherein the light modulator controller is arranged in the insulating shell, a yielding port is formed in the insulating shell corresponding to a main heating component of the light modulator controller, the main heating component of the light modulator controller is opposite to the yielding port, the metal heat dissipation seat is sleeved with the insulating shell and connected with the insulating shell, the metal heat dissipation seat is in heat conduction fit with the main heating component of the light modulator controller through the insulating heat conduction piece, the insulating heat conduction piece is clamped between the main heating component of the light modulator controller and the metal heat dissipation seat, and two sides of the insulating heat conduction piece are respectively in contact with the main heating component of the light modulator controller and the metal heat dissipation seat.
The heat dissipation structure of the dimmer further comprises an insulating pressing piece, wherein the insulating pressing piece is matched in the insulating shell and presses the main heating component of the dimming controller.
The light modulation controller is provided with a main light modulation circuit board and a secondary light modulation circuit board which are connected, the main light modulation circuit board is positioned on the secondary light modulation circuit board, and a main heating component of the light modulation controller is connected with the secondary light modulation circuit board; the insulating pressing piece covers the main heating component of the dimming controller and separates the main heating component of the dimming controller from the main dimming circuit board and the secondary dimming circuit board.
The insulating pressing piece, the main heating component of the dimming controller, the insulating heat conducting piece and the metal heat radiating seat are locked by screws.
The main heating component of the dimming controller is provided with an avoidance hole which is in clearance fit with the screw and is provided with an avoidance screw corresponding to the screw.
The insulating compaction part is made of plastic.
The main heating component of the dimming controller comprises at least two switching tubes, and each switching tube is abutted against the insulating heat conducting piece.
The insulating shell comprises an upper cover and a lower cover which are connected, and the upper cover and the lower cover are made of plastic materials.
The metal heat dissipation seat is made of aluminum.
The insulating heat conducting piece is made of ceramic.
After the scheme is adopted, the main heating component of the dimming controller is in heat conduction fit with the metal heat dissipation seat through the insulating heat conduction piece, the insulating heat conduction piece is clamped between the main heating component of the dimming controller and the metal heat dissipation seat, two sides of the insulating heat conduction piece are respectively in contact with the main heating component of the dimming controller and the metal heat dissipation seat, so that heat generated by the main heating component of the dimming controller can be conducted to the metal heat dissipation seat through the insulating heat conduction piece to be dissipated by the metal heat dissipation seat, the heat dissipation performance of the dimming controller is effectively improved, the main heating component of the dimming controller and the metal heat dissipation seat can be insulated and isolated through the insulating heat conduction piece, potential safety hazards caused by electric leakage of the main heating component of the dimming controller to the metal heat dissipation seat are avoided, and the use safety is ensured.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is an exploded view of the structure of the present utility model.
Fig. 3 is a cross-sectional view of the present utility model.
Fig. 4 is a second cross-sectional view of the present utility model.
Description of the reference numerals:
Insulating housing 1, upper cover 101, lower cover 102, relief port 11, through hole 12, connecting shaft 121, wiring hole 13, operation hole 14,
The dimming controller 2, the main dimming circuit board 21, the secondary dimming circuit board 22, the dimming knob 23, the connecting terminal 24, the switching tube 25, the dodging hole 251,
The metal heat sink 3, the avoiding opening 31, the fixing piece 32, the fixing hole 321,
The insulating and heat-conducting member 4,
Insulating compaction 5.
Detailed Description
In order to further explain the technical scheme of the utility model, the utility model is explained in detail by specific examples.
As shown in fig. 1 to 4, the utility model discloses a heat dissipation structure of a dimmer, which comprises an insulating shell 1, a dimming controller 2, a metal heat dissipation seat 3 and an insulating heat conduction member 4, wherein the dimming controller 2 is arranged in the insulating shell 1, a yielding port 11 is arranged on the insulating shell 1 corresponding to a main heating component of the dimming controller 2, the main heating component of the dimming controller 2 is opposite to the yielding port 11, the metal heat dissipation seat 3 is sleeved with the insulating shell 1 and is connected with the insulating shell 1, the metal heat dissipation seat 3 is in heat conduction fit with the main heating component of the dimming controller 2 through the insulating heat conduction member 4, the insulating heat conduction member 4 is clamped between the main heating component of the dimming controller 2 and the metal heat dissipation seat 3, and two sides of the insulating heat conduction member 4 are respectively contacted with the main heating component of the dimming controller 2 and the metal heat dissipation seat 3.
In the utility model, the main heating component of the dimming controller 2 is in heat conduction fit with the metal radiating seat 3 through the insulating heat conducting piece 4, the insulating heat conducting piece 4 is clamped between the main heating component of the dimming controller 2 and the metal radiating seat 3, and two sides of the insulating heat conducting piece 4 are respectively contacted with the main heating component of the dimming controller 2 and the metal radiating seat 3, so that heat generated by the main heating component of the dimming controller 2 can be conducted to the metal radiating seat 3 through the insulating heat conducting piece 4 to be radiated by the metal radiating seat 3, thereby effectively improving the heat radiation performance of the dimming controller 2, and the main heating component of the dimming controller 2 and the metal radiating seat 3 can be isolated in an insulating way through the insulating heat conducting piece 4, so that potential safety hazards caused by electric leakage of the main heating component of the dimming controller 2 to the metal radiating seat 3 are avoided, and the use safety is ensured.
In the embodiment of the utility model, the insulating housing 1 may include an upper cover 101 and a lower cover 102 connected to each other, the lower cover 102 is provided with the relief opening 11, the relief opening 11 is specifically disposed at the bottom of the insulating housing 1, and the upper cover 101 and the lower cover 102 are made of plastic materials, so that the upper cover 101 and the lower cover 102 have good insulating properties.
In the embodiment of the present utility model, the dimming controller 2 has a primary dimming circuit board 21 and a secondary dimming circuit board 22 connected to each other, the primary dimming circuit board 21 is located on the secondary dimming circuit board 22, the primary heating component of the dimming controller 2 is connected to the secondary dimming circuit board 22, the primary heating component of the dimming controller 2 may include at least two switching tubes 25, the switching tubes 25 may be MOS tubes or transistors, and each switching tube 25 is abutted against the insulating heat conducting member 4 so that heat generated by each switching tube 25 may be rapidly conducted to the insulating heat conducting member 4.
In the embodiment of the present utility model, the dimming controller 2 is further provided with a dimming knob 23, the dimming knob 23 is mounted on the main dimming circuit board 21, the insulating housing 1 is provided with a through hole 12 corresponding to the dimming knob 23, the through hole 12 is matched with a connection shaft 121 connected with the dimming knob 23, and the connection shaft 121 is used for being connected with an external knob cap so that people can control the dimming knob 23 through the knob cap.
In the embodiment of the present utility model, the dimming controller 2 is further provided with a connection terminal 24, the connection terminal 24 is mounted on the secondary dimming circuit board, the insulating housing 1 is provided with a wiring hole 13 corresponding to the connection terminal 24 so that the connection terminal 24 can be connected with external wires, the insulating housing 1 is further provided with an operation hole 14 corresponding to the connection terminal 24 so as to be operated with the connection terminal 24 by a screwdriver, the wiring hole 13 and the operation hole 14 are respectively provided at a lower cover 102 and an upper cover 101 of the housing, and the metal heat sink 3 is provided with a relief hole 31 corresponding to the connection terminal 24 so as to avoid obstructing the connection of the connection terminal 24 with external wires.
In the embodiment of the utility model, the metal heat dissipation seat 3 may be made of aluminum, so that the metal heat dissipation seat 3 has good heat conductivity, the metal heat dissipation seat 3 may be disposed with an upward opening, the metal heat dissipation seat 3 is sleeved with the insulating housing 1 from bottom to top, the metal heat dissipation seat 3 may be in snap connection with the insulating housing 1, so that the connection structure between the metal heat dissipation seat 3 and the insulating housing 1 is simple, the periphery of the metal heat dissipation seat 3 forms a fixing piece 32, and the fixing piece 32 is provided with a fixing hole 321 so as to fix the metal heat dissipation seat 3 at a required installation position.
In the embodiment of the present utility model, the insulating and heat conducting member 4 is made of ceramic, and the ceramic has good heat conductivity and insulation.
In the embodiment of the utility model, the heat dissipation structure of the dimmer of the utility model further comprises the insulating pressing piece 5, the insulating pressing piece 5 is matched in the insulating shell 1, the insulating pressing piece 5 presses the main heating component of the dimming controller 2 to drive the two sides of the insulating heat conduction piece 4 to be respectively in close contact with the main heating component of the dimming controller 2 and the metal heat dissipation seat 3, so that more heat of the main heating component of the dimming controller 2 can be conducted to the metal heat dissipation seat 3 through the insulating heat conduction piece 4, and the heat dissipation performance is ensured. The insulating pressing piece 5 is made of plastic, the insulating pressing piece 5, the main heating component of the dimming controller 2, the insulating heat conducting piece 4 and the metal heat dissipation seat 3 are locked through screws (not shown), the insulating pressing piece 5, the main heating component of the dimming controller 2, the insulating heat conducting piece 4 and the metal heat dissipation seat 3 are ensured to be firmly installed, and two sides of the insulating heat conducting piece 4 are ensured to be respectively in close contact with the main heating component of the dimming controller 2 and the metal heat dissipation seat 3. The main heating component of the dimming controller 2 is provided with an avoidance hole 251 with an avoidance screw corresponding to the screw, and the avoidance hole 251 is in clearance fit with the screw so as to ensure insulation between the main heating component of the dimming controller 2 and the metal heat dissipation seat 3.
In the embodiment of the present utility model, the insulating pressing member 5 covers and separates the main heat generating component of the dimmer control 2 from the main dimmer circuit board 21 and the sub dimmer circuit board 22, which is advantageous for improving the EMI performance of the dimmer of the present utility model.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (10)
1. The heat radiation structure of the dimmer is characterized by comprising an insulating shell, a dimming controller, a metal heat radiation seat and an insulating heat conduction piece;
The light-adjusting controller is arranged in the insulating shell, the insulating shell is provided with a yielding port corresponding to the main heating component of the light-adjusting controller, and the main heating component of the light-adjusting controller is opposite to the yielding port;
The metal heat dissipation seat is sleeved with the insulating shell and connected with the insulating shell, the metal heat dissipation seat is in heat conduction fit with the main heating component of the dimming controller through the insulating heat conduction piece, the insulating heat conduction piece is clamped between the main heating component of the dimming controller and the metal heat dissipation seat, and two sides of the insulating heat conduction piece are respectively in contact with the main heating component of the dimming controller and the metal heat dissipation seat.
2. The heat dissipating structure of a dimmer according to claim 1, further comprising an insulating pressing member fitted in the insulating housing and pressing against a main heat generating component of the dimmer control.
3. A heat dissipating structure for a dimmer of claim 2, wherein the dimmer control has a primary dimmer circuit board and a secondary dimmer circuit board connected to each other, the primary dimmer circuit board being located on the secondary dimmer circuit board, the primary heat generating component of the dimmer control being connected to the secondary dimmer circuit board, and the insulating pressing member covers and separates the primary heat generating component of the dimmer control from the primary dimmer circuit board and the secondary dimmer circuit board.
4. The heat dissipating structure of a dimmer according to claim 2, wherein the insulating pressing member, the main heat generating component of the dimmer control, the insulating heat conducting member and the metal heat dissipating base are fastened by screws.
5. A heat dissipation structure of a dimmer as defined in claim 3, wherein the main heat generating component of the dimmer control is provided with a relief hole corresponding to the screw, the relief hole being in clearance fit with the screw.
6. The heat dissipating structure of a dimmer as set forth in claim 2, wherein said insulating pressing member is made of plastic material.
7. A heat dissipating structure for a dimmer according to claim 1, 2 or 3, wherein the primary heat generating component of the dimmer control comprises at least two switching tubes, each of the switching tubes being disposed against the insulating heat conducting member.
8. The heat dissipating structure of a dimmer according to claim 1, wherein the insulating housing comprises an upper cover and a lower cover, which are connected to each other, and the upper cover and the lower cover are made of plastic materials.
9. The heat dissipating structure of a dimmer as set forth in claim 1, wherein the metal heat sink is made of aluminum.
10. The heat dissipating structure of a dimmer as set forth in claim 1, wherein said insulating and thermally conductive member is ceramic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420898658.8U CN222256434U (en) | 2024-04-28 | 2024-04-28 | Heat radiation structure of light modulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420898658.8U CN222256434U (en) | 2024-04-28 | 2024-04-28 | Heat radiation structure of light modulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222256434U true CN222256434U (en) | 2024-12-27 |
Family
ID=93992364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420898658.8U Active CN222256434U (en) | 2024-04-28 | 2024-04-28 | Heat radiation structure of light modulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222256434U (en) |
-
2024
- 2024-04-28 CN CN202420898658.8U patent/CN222256434U/en active Active
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| GR01 | Patent grant |