CN214256985U - Radiating assembly, electric cabinet and air conditioner - Google Patents
Radiating assembly, electric cabinet and air conditioner Download PDFInfo
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- CN214256985U CN214256985U CN202120087962.0U CN202120087962U CN214256985U CN 214256985 U CN214256985 U CN 214256985U CN 202120087962 U CN202120087962 U CN 202120087962U CN 214256985 U CN214256985 U CN 214256985U
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Abstract
The utility model discloses a radiator unit, electric cabinet and air conditioner, radiator unit, include: a heat sink including a first region for contacting and thermally conducting with a power device and a second region corresponding to a non-power device; the heat insulation layer is arranged on the radiator and covers the second area. The utility model discloses a radiator unit is through setting up the insulating layer on the second region, can effectively cut off thermal backward flow route, can't pass through the regional backward flow of second behind heat conduction to the radiator that makes power device to avoid the heat in the electric cabinet to pile up the problem that leads to the temperature high or low, temperature in can the greatly reduced electric cabinet guarantees the components and parts normal operating in the electric cabinet.
Description
Technical Field
The utility model relates to an air conditioning technology field, concretely relates to radiator unit, electric cabinet and air conditioner.
Background
As global climate warms, even in some regions with ambient temperatures as high as 65 ℃, the use of air conditioning becomes a prerequisite. The frequency conversion development of the air conditioning industry is to meet the requirements of energy conservation and rapid cooling, however, the frequency conversion drive board of the air conditioner has more power devices, and as is well known, the heat productivity of the power devices is large, and how to ensure the normal operation of components of an electric cabinet is a serious difficulty in the industry after the power devices operate for a long time in a high-temperature environment.
The existing solution mostly adopts measures such as refrigerant cooling, air cooling, water cooling and the like to cool the radiator of the power device. The basic scheme is to fix power devices with large heat productivity (such as MOS tubes, IGBTs, IPMs, rectifier bridges, voltage stabilizing blocks, high-power diodes and other elements) on a radiator, and take away the heat by adopting air convection or cooling liquid. The radiator is generally fixed on electric cabinet sheet metal construction, therefore the high temperature of radiator can be passed through adapting unit and is conducted heat, leads to the temperature in the electric cabinet to be high, has caused very big influence to the normal operating of other components and parts in the electric cabinet.
Under the global warming large environment, the protection level requirements of mosquitoes, typhoons, wind and sand and the like on the electric cabinet are higher and higher (IP55 and the like), so that how to solve the temperature rise inside the electric cabinet and improve the high-temperature environment adaptability of the variable-frequency electric cabinet becomes an important technical problem which needs to be solved urgently by the variable-frequency air conditioner.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a radiator unit, electric cabinet and air conditioner has solved current radiator and can lead to the problem that the temperature is high in the electric cabinet.
According to an aspect of the utility model, a radiator unit is disclosed, include: a heat sink including a first region for contacting and thermally conducting with a power device and a second region corresponding to a non-power device; the heat insulation layer is arranged on the radiator and covers the second area.
Further, the heat sink includes: the heat conducting plate comprises a first heat conducting surface and a second heat conducting surface which are oppositely arranged, and the first heat conducting surface is in contact with the power device and conducts heat; and the fins are arranged on the second heat conduction surface.
Furthermore, the radiator is provided with a mounting surface, the radiator is connected with a support through the mounting surface, and the heat insulation layer is arranged between the mounting surface and the support.
Further, the material of the thermal insulation layer comprises an epoxy plate.
Further, the radiator is grounded.
According to the utility model discloses a second aspect discloses an electric cabinet, including foretell radiator unit.
Further, the electric cabinet further comprises: the heat radiator is arranged on the metal plate structure, and the heat insulation layer is located between the heat radiator and the metal plate structure.
Furthermore, an installation opening is formed in the sheet metal structure; the radiator comprises a heat conducting plate and fins, the heat conducting plate is buckled on the mounting opening, and the fins are located in the air duct.
Furthermore, the heat conducting plate comprises a first heat conducting surface and a second heat conducting surface which are arranged oppositely, the second heat conducting surface faces the mounting opening, a heat radiating area and a connecting area for mounting fins are divided on the second heat conducting surface, the connecting area is an area connected with the sheet metal structure, and the heat insulating layer also covers the connecting area.
According to the utility model discloses a third aspect discloses an air conditioner, including foretell electric cabinet.
The utility model discloses a radiator unit is through setting up the insulating layer on the second region, can effectively cut off thermal backward flow route, can't pass through the regional backward flow of second behind heat conduction to the radiator that makes power device to avoid the heat in the electric cabinet to pile up the problem that leads to the temperature high or low, temperature in can the greatly reduced electric cabinet guarantees the components and parts normal operating in the electric cabinet.
Drawings
Fig. 1 is a schematic structural diagram of a heat dissipation assembly according to an embodiment of the present invention;
legend: 10. a heat sink; 11. a heat conducting plate; 111. a first heat-conducting surface; 112. a second heat-conducting surface; 12. a fin; 20. a thermal insulation layer; 30. a sheet metal structure; 40. an electric appliance fixing frame; 50. a controller motherboard.
Detailed Description
The present invention is further illustrated by the following examples, but is not limited to the contents of the specification.
As shown in fig. 1, the present invention discloses a heat dissipation assembly, which includes a heat sink 10 and a thermal insulation layer 20, wherein the heat sink 10 includes a first region and a second region, the first region is used for contacting with a power device and conducting heat, and the second region is a region corresponding to a non-power device; a thermally insulating layer 20 is provided on the heat sink 10, the thermally insulating layer 20 covering the second area. The utility model discloses a radiator unit is through setting up the insulating layer on the second region, can effectively cut off thermal backward flow route, can't pass through the regional backward flow of second behind heat conduction to the radiator that makes power device to avoid the heat in the electric cabinet to pile up the problem that leads to the temperature high or low, temperature in can the greatly reduced electric cabinet guarantees the components and parts normal operating in the electric cabinet.
It should be noted that, the power device refers to a device which generates a large amount of heat and needs heat dissipation when operating, and the non-power device refers to a device or a structure which does not need heat dissipation in the electric cabinet, so heat dissipation is not needed, because the non-power device does not generate heat or generates a small amount of heat itself, for example, the non-power device may be a control motherboard and a device thereon, or may be a sheet metal part or a fixed structure, and so on.
In the above embodiment, the heat sink 10 includes the heat conducting plate 11 and the fins 12, the heat conducting plate 11 includes the first heat conducting surface 111 and the second heat conducting surface 112 which are oppositely disposed, and the first heat conducting surface 111 is in contact with the power device and conducts heat; the fins 12 are mounted on the second heat conduction surface 112. The utility model discloses a radiator unit passes through the heat-conducting plate and contacts and heat conduction with power device, can be with on power device's heat conduction to fin, through the fin heat dissipation to increase heat exchange efficiency.
In the above embodiment, the heat sink 10 is provided with the mounting surface, the heat sink 10 is connected to the support through the mounting surface, and the heat insulating layer 20 is provided between the mounting surface and the support. The utility model discloses a radiator unit can be connected with the support through the installation face through setting up the installation face on the radiator, in order to prevent that the heat of radiator from through flowing back to the support on, can cut off thermal backward flow route through setting up the insulating layer between the two to effectively avoid the heat backward flow.
In the above embodiment, the material of the thermal insulation layer 20 includes an epoxy plate. The utility model discloses a radiator unit adopts and prevents that static epoxy plate material has high temperature resistant, low thermal conductivity, prevents characteristics such as static, can greatly reduce the heat that the radiator transmitted back to the electricity ware fixed plate, crosses the interpolation and prevents that static epoxy plate has optimized the service environment of electric cabinet, has reduced power device's high temperature load and fried board risk.
In the above embodiment, the heat sink 10 is grounded. Through handling the radiator ground connection, can effectively avoid static to influence mainboard performance and EMC effect, prevent that the static epoxy board can be with the leading-in earth of electric charge, eliminate the static hidden danger.
According to the utility model discloses a second embodiment discloses an electric cabinet, including foretell radiator unit.
In the above embodiment, the electric cabinet further includes a sheet metal structure 30, the heat sink 10 is mounted on the sheet metal structure 30, and the heat insulation layer 20 is located between the heat sink 10 and the sheet metal structure 30. The utility model discloses an electric cabinet is through setting up the insulating layer between radiator and sheet metal construction, can prevent effectively that the heat of radiator from cutting off thermal backward flow route through flowing back to the support on to effectively avoid the heat backward flow.
In the above embodiment, the sheet metal structure 30 is provided with the mounting port; the radiator 10 comprises a heat conduction plate 11 and fins 12, the heat conduction plate 11 is buckled on the mounting port, the bottom of the heat radiation body comprises a plurality of fins which are parallel to each other, the fins 12 are located in an air duct, a fan is further arranged in the air duct, an air outlet of the fan faces the front side of the heat radiation fins, the air direction is parallel to the space of the fins, and air outlet sides and air inlet sides are provided with ventilation holes. When the fan is electrified, the air flow is blown to pass through the fins, the heat is taken out, and then the air flow is blown out from the ventilation opening, so that the air circulation of the fins is accelerated, and the temperature of the radiator is reduced.
In the above embodiment, the heat conducting plate 11 includes the first heat conducting surface 111 and the second heat conducting surface 112 which are oppositely disposed, the second heat conducting surface 112 is disposed toward the mounting opening, the second heat conducting surface 112 is divided into the heat dissipating area and the connecting area for mounting the fins 12, the connecting area is an area connected with the sheet metal structure 30, the heat insulating layer 20 further covers the connecting area, and the heat insulating layer 20 seals the space between the heat conducting plate 11 and the mounting opening. The utility model discloses an electric cabinet makes insulating layer 20 can cut off thermal backward flow route through still covering insulating layer 20 on connection area to avoid the heat to flow back to the electric cabinet in, heat in can the effective control electric cabinet like this has created the condition for promoting the protection level, thereby can improve the protection level of electric cabinet.
In the above embodiment, a layer of anti-static epoxy board is added between the heat sink 10 and the sheet metal structure 30 and between the electrical fixing board 40 and the heat sink 10, so as to enhance the thermal insulation property and prevent heat from being transferred back to the electronic control box and the controller motherboard 50, thereby reducing the internal environment temperature of the electronic control box and reducing the high temperature load of the controller motherboard.
In the specific implementation process, as shown in fig. 1, the controller main board 50 is disposed in the electrical fixing board 40, the electrical fixing board 40 is slotted for placing the protruding power device, the heat conducting board 11 of the heat sink is disposed below the electrical fixing board 40, and the fins 12 are disposed below the heat conducting board 11. Radiator 10, controller mainboard 50 all are connected fixedly through screw and electrical fixing plate 40, and simultaneously, have seted up the via hole structure on the electrical fixing plate, and the power device on the controller mainboard 50 is located via hole structure position department to it is fixed with heat-conducting plate 11 through the screw, and electrical fixing plate 40 passes through the fix with screw with the sheet metal structure 30 of below. The anti-static epoxy plate is arranged between the electric appliance fixing plate 40 and the heat conducting plate 11, and the other two small anti-static epoxy plates are arranged in the heat conducting plate 11 and the sheet metal structure 30.
Of course, the controller main board 50 may be fixed to the electrical fixing board 40 by a screw, and may also be fixed to the electrical fixing board 40 by a snap, and the heat sink 10 may also be fixed to the sheet metal structure 30 directly by a screw.
The bottom of a high-power device of the mainboard is generally subjected to heat conduction and insulation between materials such as heat-conducting silica gel and heat-conducting silica gel sheets and the radiator, the size of the heat-conducting material is the same as that of the bottom of the power device, and redundant materials are not wasted.
In order to improve the overall reliability, a vibration damping layer may be disposed between the heat sink 10 and the sheet metal structure 30, so as to absorb vibration energy and perform a vibration damping function, and the vibration damping layer may be made of sponge or other materials.
According to the utility model discloses a third embodiment discloses an air conditioner, including foretell electric cabinet.
Of course, the heat insulation layer can be made of other materials besides the anti-static epoxy board, and the heat insulation layer needs to meet the characteristics of high temperature resistance, low thermal conductivity, static resistance and the like, so that the heat transferred back to the electric control box and the main board by the radiator is reduced. The shape of the radiator is not fixed, so that the radiating capacity is improved. The heat dissipation holes can be arranged on the front surface or the side surface of the guide plate to enhance heat dissipation, or not arranged, and the heat dissipation holes are selected according to the use conditions. The structures and the positions of the radiator, the electric appliance fixing plate, the anti-static epoxy plate, the sheet metal part and the fan are not fixed, and the structures and the positions are selected according to the use environment condition and the heat dissipation condition.
It is to be understood that the above-described embodiments of the present invention are merely examples provided for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. Not all embodiments are exhaustive. All obvious changes or variations led out by the technical scheme of the utility model are still in the protection scope of the utility model.
Claims (10)
1. A heat sink assembly, comprising:
a heat sink (10), the heat sink (10) comprising a first region for contacting and conducting heat to a power device and a second region corresponding to a non-power device;
a thermal insulation layer (20), the thermal insulation layer (20) being disposed on the heat sink (10), the thermal insulation layer (20) covering the second area.
2. The heat dissipating assembly of claim 1, wherein the heat sink (10) comprises:
the heat conduction plate (11) comprises a first heat conduction surface (111) and a second heat conduction surface (112) which are oppositely arranged, and the first heat conduction surface (111) is in contact with the power device and conducts heat;
and a fin (12) attached to the second heat-conducting surface (112).
3. The heat dissipation assembly of claim 1,
the radiator (10) is provided with a mounting surface, the radiator (10) is connected with a support through the mounting surface, and the heat insulation layer (20) is arranged between the mounting surface and the support.
4. The heat dissipation assembly of claim 1,
the heat insulation layer (20) comprises an epoxy plate.
5. The heat dissipation assembly of claim 1,
the radiator (10) is grounded.
6. An electrical cabinet comprising the heat dissipation assembly of any one of claims 1 to 5.
7. The electrical cabinet of claim 6, further comprising:
the radiator comprises a sheet metal structure (30), the radiator (10) is installed on the sheet metal structure (30), and the heat insulation layer (20) is located between the radiator (10) and the sheet metal structure (30).
8. The electrical cabinet according to claim 7,
the sheet metal structure (30) is provided with an installation opening;
the radiator (10) comprises a heat conducting plate (11) and fins (12), the heat conducting plate (11) is buckled on the mounting opening, and the fins (12) are located in the air duct.
9. The electrical cabinet according to claim 8,
the heat-conducting plate (11) comprises a first heat-conducting surface (111) and a second heat-conducting surface (112) which are arranged oppositely, the second heat-conducting surface (112) faces the installation opening, a heat dissipation area and a connection area which are used for installing the fins (12) are divided on the second heat-conducting surface (112), the connection area is an area connected with the sheet metal structure (30), and the heat-insulating layer (20) covers the connection area.
10. An air conditioner comprising the electric cabinet of any one of claims 6 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120087962.0U CN214256985U (en) | 2021-01-13 | 2021-01-13 | Radiating assembly, electric cabinet and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120087962.0U CN214256985U (en) | 2021-01-13 | 2021-01-13 | Radiating assembly, electric cabinet and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214256985U true CN214256985U (en) | 2021-09-21 |
Family
ID=77725966
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120087962.0U Active CN214256985U (en) | 2021-01-13 | 2021-01-13 | Radiating assembly, electric cabinet and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214256985U (en) |
-
2021
- 2021-01-13 CN CN202120087962.0U patent/CN214256985U/en active Active
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