CN222170274U - Heat radiation structure, electronic control equipment and car - Google Patents
Heat radiation structure, electronic control equipment and car Download PDFInfo
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- CN222170274U CN222170274U CN202420475738.2U CN202420475738U CN222170274U CN 222170274 U CN222170274 U CN 222170274U CN 202420475738 U CN202420475738 U CN 202420475738U CN 222170274 U CN222170274 U CN 222170274U
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Abstract
The utility model provides a heat radiation structure, electric control equipment and an automobile, wherein the heat radiation structure comprises a shell and a radiator, a concave area which is concave inwards from the outer surface of the shell is arranged on the shell, the radiator is arranged in the concave area, the first end of the radiator is used for being connected with a piece to be radiated, and the second end of the radiator protrudes out of the outer surface of the shell. According to the utility model, the design that the second end of the traditional radiator is flush with the outer surface of the shell is changed, the concave area is arranged on the shell, and under the condition that the height of the radiator is unchanged, the second end of the radiator protrudes out of the outer surface of the shell, so that an air duct is formed, the large temperature difference area is increased, the radiating effect is improved, the radiator can quickly transfer the heat of a part to be radiated out of the shell, the efficient radiation by effectively utilizing a good space can be realized, meanwhile, the radiator is convenient to replace, the capability of adapting to different environments and working conditions of a product is improved, the product expansibility is enhanced, and the product competitiveness is improved.
Description
Technical Field
The utility model belongs to the technical field of heat dissipation structures, and particularly relates to a heat dissipation structure, electric control equipment and an automobile.
Background
The heat radiation structure comprises a shell and a radiator, and is designed into an integrated metal radiator for achieving the heat radiation effect, and is in pursuit of appearance consistency, the connection design between the radiator and the shell is not too much studied, the height configuration of the radiator and the shell is random, and the radiator and the shell cannot effectively utilize good space to conduct efficient heat radiation.
Disclosure of utility model
The utility model provides a heat radiation structure, electric control equipment and an automobile, and aims to solve the problem that a shell of the existing heat radiation structure cannot effectively utilize good space to conduct efficient heat radiation.
A heat dissipation structure comprises a shell and a radiator;
The shell is provided with a concave area which is concave inwards from the outer surface of the shell;
the radiator is arranged in the concave area, a first end of the radiator is used for being connected with a piece to be radiated, and a second end of the radiator protrudes out of the outer surface of the shell.
Preferably, the shell is provided with an inclined plane which is arranged from the periphery of the concave area to the inside of the concave area;
the inclined surface is inclined from the outer side of the housing to the inner side of the housing.
Preferably, at least three mounting protrusions are arranged on one side surface of the shell at intervals.
Preferably, the heat sink includes a body plate and a heat sink;
The main body plate is arranged on the shell at the periphery of the concave area;
The first ends of the radiating fins are arranged on the main body plate, and the second ends of the radiating fins protrude out of the outer surface of the shell.
Preferably, the radiator comprises a plurality of radiating fins, and a plurality of radiating fins are arranged on the main body plate at intervals.
Preferably, the heat dissipation structure further comprises a heat conduction layer;
the first side of the heat conducting layer is connected with the member to be cooled, and the second side of the heat conducting layer is connected with the first end of the radiator.
Preferably, the heat conducting layer is heat conducting glue or heat conducting silicone grease.
Preferably, the shell is a non-metal shell, the radiator is a metal radiator, and the member to be radiated includes an electric control unit.
An electric control device comprises a heat radiation structure and an electric control unit, wherein the electric control unit is a piece to be heat-radiated, and the electric control unit is connected with a first end of a radiator in the heat radiation structure.
An automobile comprises the electric control device.
The radiator structure comprises a shell and a radiator, wherein a concave area which is concave inwards from the outer surface of the shell is arranged on the shell, the radiator is arranged in the concave area, the first end of the radiator is connected with a piece to be radiated, the second end of the radiator protrudes out of the outer surface of the shell, the design that the second end of the radiator is flush with the outer surface of the shell in the past is changed, the concave area which is concave inwards from the outer surface of the shell is arranged on the shell, the second end of the radiator protrudes out of the outer surface of the shell under the condition that the height of the radiator is unchanged, namely, an air channel is formed, the large temperature difference area is also increased, the radiating effect is improved, the radiator can quickly transfer the heat of the piece to be radiated out of the shell, the efficient radiation can be realized by effectively utilizing the space, meanwhile, the radiator is convenient to replace, the capability of adapting to different environments and working conditions of products is improved, the expansibility of the products is enhanced, and the competitiveness of the products is improved.
Drawings
FIG. 1 is an exploded view of a heat dissipating structure of the present utility model;
FIG. 2 is an isometric view of a heat dissipating structure of the present utility model;
fig. 3 is an isometric view of an electronic control apparatus of the present utility model.
Wherein, 1 part of the shell, 11 parts of the shell, a concave area, 12 parts of the shell, an inclined plane, 13 parts of the installation protrusion, 2 parts of the radiator, 21 parts of the main body plate, 22 parts of the radiating fin, 3 parts of the electric control unit, 4 parts of the heat conduction layer.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects solved by the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. 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.
In the description of the present utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
The embodiment of the utility model provides a heat dissipation structure, referring to fig. 1-3, the heat dissipation structure comprises a shell 1 and a radiator 2, wherein a concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, the radiator 2 is arranged in the concave area 11, a first end of the radiator 2 is used for being connected with a piece to be dissipated, and a second end of the radiator 2 protrudes out of the outer surface of the shell 1.
The heat dissipation structure comprises a shell 1 and a radiator 2, wherein a concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, the concave area 11 is specifically arranged in the middle of one outer surface of the shell 1, the radiator 2 is arranged in the concave area 11, the first end of the radiator 2 is connected with a part to be dissipated, the second end of the radiator 2 protrudes out of the outer surface of the shell 1, the design that the second end of the radiator 2 is flush with the outer surface of the shell 1 is changed, the concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, the second end of the radiator 2 protrudes out of the outer surface of the shell 1 under the condition that the height of the radiator 2 is unchanged, namely, an air channel is formed, the large temperature difference area is increased, the heat dissipation effect is improved, the radiator 2 can quickly transfer the heat of the part to be dissipated out of the shell 1, the efficient heat dissipation can be realized by effectively utilizing a good space, the capacity of adapting different environments and working conditions of products is improved, the product expansibility is enhanced, and the product competitiveness is improved.
In an embodiment, referring to fig. 1, 2 and 3, the housing 1 is provided with a slope 12 arranged from the periphery of the recess 11 into the recess 11, and the slope 12 is inclined from the outside of the housing 1 to the inside of the housing 1.
As an example, the shell 1 is provided with an inclined plane 12 which is arranged from the periphery of the concave area 11 to the inside of the concave area 11, and the inclined direction of the inclined plane 12 is inclined from the outside of the shell 1 to the inside of the shell 1, so that the joint part of the concave area 11 of the shell 1 and the radiator 2 forms a large chamfer design, a heat dissipation flow passage is in slow transition, the heat resistance is obviously reduced, the wind speed is improved, and the heat exchange efficiency is improved.
In one embodiment, referring to fig. 1, 2 and 3, at least three mounting protrusions 13 are provided at intervals on one side of the housing 1.
As an example, at least three mounting protrusions 13 are disposed on one side surface of the housing 1 at intervals, and the housing 1 is mounted by using the at least three mounting protrusions 13, so as to ensure stable and firm mounting. Specifically, the number of the mounting protrusions 13 is four, and the four mounting protrusions 13 are respectively mounted on four corners of the shell 1, so that the mounting points of the shell 1 are kept balanced, and stable and firm mounting is ensured.
In an embodiment, referring to fig. 1 and 2, the heat sink 2 includes a body plate 21 and a heat sink 22, the body plate 21 is mounted on the housing 1 at the periphery of the recess 11, the heat sink 22 is disposed in the recess 11, and a first end of the heat sink 22 is mounted on the body plate 21, and a second end of the heat sink 22 protrudes from the outer surface of the housing 1.
As an example, the heat sink 2 includes a body plate 21 and a heat sink 22, and the body plate 21 is mounted on the housing 1 at the periphery of the recess 11. Specifically, a first mounting hole is provided on the main body plate 21, a second mounting hole is provided on the housing 1 at the periphery of the recessed area 11, and screws or bolts are used to pass through the first mounting hole and the second mounting hole, so as to fix the main body plate 21 on the housing 1 at the periphery of the recessed area 11. The first ends of the radiating fins 22 are arranged in the concave area 11 and are arranged on the main body plate 21, the second ends of the radiating fins 22 are protruded out of the outer surface of the shell 1, the design that the second ends of the radiator 2 are flush with the outer surface of the shell 1 in the past is changed, under the condition that the height of the radiator 2 is unchanged, the second ends of the radiator 2 are protruded out of the outer surface of the shell 1, namely, an air duct is formed, the large temperature difference area is increased, the radiating effect is improved, the radiator 2 can quickly transfer the heat of a piece to be radiated out of the shell 1, and efficient heat radiation can be realized by effectively utilizing a good space.
In an embodiment, referring to fig. 1 and 2, the heat sink 2 includes a plurality of heat radiating fins 22, and the plurality of heat radiating fins 22 are disposed on the body plate 21 at intervals.
As an example, the heat sink 2 includes a plurality of fins 22, and the plurality of fins 22 are provided on the main body plate 21 at intervals. The radiator 2 is connected with a part to be radiated, the part to be radiated can be the electric control unit 3, the radiator 2 can be replaced through selection, so that the radiator 2 with different radiating fin 22 parameters, different materials, different fin shapes and different fin directions can be replaced according to the requirements, the adaptation capability of the electric control unit to the environment and different working conditions is improved, and the expansibility of the electric control unit is enhanced.
In an embodiment, referring to fig. 1, the heat dissipation structure further comprises a heat conduction layer 4, wherein a first side surface of the heat conduction layer 4 is used for being connected with a piece to be dissipated, and a second side surface of the heat conduction layer 4 is used for being connected with a first end of the heat sink 2.
The heat dissipation structure further comprises a heat conduction layer 4, wherein the first side surface of the heat conduction layer 4 is used for being connected with a piece to be dissipated, the second side surface of the heat conduction layer 4 is used for being connected with the first end of the radiator 2, the contact area between the piece to be dissipated and the radiator 2 can be increased, and the heat of the piece to be dissipated can be transferred to the radiator 2 and the heat dissipation efficiency can be improved by utilizing the characteristic of the heat conduction layer 4.
In an embodiment, referring to fig. 1, the heat conductive layer 4 is a heat conductive glue or a heat conductive silicone grease.
As an example, the heat conducting layer 4 is heat conducting glue or heat conducting silicone grease, and the heat conducting silicone grease or heat conducting silicone gel is coated on the bottom of the radiator 2 to realize heat transfer, thereby improving heat dissipation efficiency.
In an embodiment, referring to fig. 1 and 2, the housing 1 is a non-metal housing, the heat sink 2 is a metal heat sink, and the part to be heat-dissipated includes the electronic control unit 3.
As an example, the housing 1 is a non-metal housing, such as a plastic housing, and weight and cost reduction can be achieved while satisfying the supporting strength. The radiator 2 is a metal radiator, the radiator 2 does not need to be opened, only the shape is selected, and the weight and the cost can be reduced. The part to be radiated comprises an electric control unit 3, and the electric control unit 3 is connected with the first end of the radiator 2, so that the electric control unit 3 can be radiated efficiently.
The embodiment of the utility model provides electric control equipment, which comprises a heat dissipation structure and an electric control unit 3, wherein the electric control unit 3 is a piece to be heat-dissipated, and the electric control unit 3 is connected with a first end of a radiator 2 in the heat dissipation structure.
As an example, the electronic control unit 3 is a member to be cooled, and the electronic control unit 3 is connected to the first end of the radiator 2 in the cooling structure, so that efficient cooling of the electronic control unit 3 can be achieved. The heat dissipation structure comprises a shell 1 and a radiator 2, wherein a concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, the radiator 2 is arranged in the concave area 11, a first end of the radiator 2 is connected with an electric control unit 3, a second end of the radiator 2 protrudes out of the outer surface of the shell 1, the design that the second end of the radiator 2 is flush with the outer surface of the shell 1 in the past is changed, the concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, under the condition that the height of the radiator 2 is unchanged, the second end of the radiator 2 protrudes out of the outer surface of the shell 1, namely an air flue is formed, the large temperature difference area is increased, the heat dissipation effect is improved, the radiator 2 can quickly transfer the heat of a piece to be dissipated out of the shell 1, the effective utilization of a good space can be realized, meanwhile, the radiator 2 is convenient to replace, the capability of adapting different environments and working conditions of products is improved, the product expansibility is enhanced, and the product competitiveness is improved.
The heat radiation structure in the example is mainly a method summarized by heat radiation design analysis of the electric control unit 3 based on electric control equipment, and by using the method, in a limited installation space, through structural design means such as concave of the shell 1, convex of the radiator 2, slow transition of the shell 1 and the radiator 2 and the like, an air duct is improved, heat resistance is reduced, chip temperature is effectively reduced under the condition of the same configuration of the radiator 2, weight and cost can be reduced, and the method has a great advantage compared with the prior design. Specifically, the maximum height of the housing 1 is determined by the mounting surface of the electronic control unit and the surrounding environment, the minimum height of the housing 1 is determined by the layout of internal elements, the mounting position of the radiator 2 is determined by the layout of heating elements, and the position of the opening of the housing 1 is determined according to the mounting position of the radiator 2. The electric control unit mounting surface is used as a reference, the lowest height of the shell 1 is used as a limit, a concave shell is designed, a large chamfer is designed at the edge of an opening to realize slow transition, the radiator 2 is mounted at the opening, the radiator is fixed on the shell 1 through a screw, and then the heat conducting layer 4 is smeared at the bottom of the radiator 2, so that the heating element transmits heat to the radiator 2 through the heat conducting layer 4, the top of the radiator 2 is higher than the shell 1 to form an air channel due to the concave design of the shell 1, and secondly, the transition design from the shell 1 to the radiator 2 greatly reduces thermal resistance, thereby realizing good heat dissipation effect, reducing weight and cost and improving signal transmitting and receiving transmission effects.
On the premise of the same environment, the same power consumption and the same software setting, the PCB center point temperature, the CPU center point temperature and the radiator thermal resistance value calculated by simulation are different under the premise of different designs of the shell 1. The first shell 1 is a conventional shell 1, the temperature of a central point of a PCB is 188.3 ℃, the temperature of a central point of a CPU is 195.66 ℃, the thermal resistance value of a radiator is 25.9K/W, the second shell 1 is provided with a concave area 11 on the shell 1, the temperature of the central point of the PCB is 161.56 ℃, the temperature of the central point of the CPU is 172 ℃, the thermal resistance value of the radiator is 22.3K/W, the third shell 1 is provided with a concave area 11 and an inclined plane 12 on the shell 1, the temperature of the central point of the PCB is 150.5 ℃, the temperature of the central point of the CPU is 160.1 ℃, and the thermal resistance value of the radiator is 20K/W. The shell 1 is provided with the concave area 11, the top of the radiator 2 can be protruded outwards, the central temperature of the PCB can be reduced by 26.7 ℃, the central temperature of the CPU can be reduced by 23.66 ℃, the thermal resistance of the radiator can be reduced by 3.6K/W, the shell 1 is provided with the concave area 11 and the inclined plane 12, the central temperature of the PCB can be further reduced by 11.06 ℃, the central temperature of the CPU can be further reduced by 11.9 ℃, the thermal resistance of the radiator can be further reduced by 2.3K/W, the central temperature of the PCB can be reduced by 37.8 ℃ by two optimization, the central temperature of the CPU can be reduced by 35.56 ℃, and the thermal resistance of the radiator can be reduced by 5.9K/W. As can be seen from comparison of simulation effects, in the three shells 1, the temperatures of all points of the vertical cross section of the center of the radiator 2 are gradually reduced, and the effect is very obvious. As can be seen from comparison of simulated wind speeds, the wind speed in the first shell 1 is not high as a whole, the wind direction is disturbed, the wind speed in the second shell 1 is improved, the wind direction is more whole, the wind speed in the third shell 1 is highest, and the wind direction is tidy
The embodiment of the utility model provides an automobile, which comprises electric control equipment.
As an example, the electronic control unit 3 is a member to be cooled, and the electronic control unit 3 is connected to the first end of the radiator 2 in the cooling structure, so that efficient cooling of the electronic control unit 3 can be achieved. The heat dissipation structure comprises a shell 1 and a radiator 2, wherein a concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, the radiator 2 is arranged in the concave area 11, a first end of the radiator 2 is connected with an electric control unit 3, a second end of the radiator 2 protrudes out of the outer surface of the shell 1, the design that the second end of the radiator 2 is flush with the outer surface of the shell 1 in the past is changed, the concave area 11 which is concave inwards from the outer surface of the shell 1 is arranged on the shell 1, under the condition that the height of the radiator 2 is unchanged, the second end of the radiator 2 protrudes out of the outer surface of the shell 1, namely an air flue is formed, the large temperature difference area is increased, the heat dissipation effect is improved, the radiator 2 can quickly transfer the heat of a piece to be dissipated out of the shell 1, the effective utilization of a good space can be realized, meanwhile, the radiator 2 is convenient to replace, the capability of adapting different environments and working conditions of products is improved, the product expansibility is enhanced, and the product competitiveness is improved.
The heat radiation structure in the example is mainly a method summarized by heat radiation design analysis of the electric control unit 3 based on electric control equipment, and by using the method, in a limited installation space, through structural design means such as concave of the shell 1, convex of the radiator 2, slow transition of the shell 1 and the radiator 2 and the like, an air duct is improved, heat resistance is reduced, chip temperature is effectively reduced under the condition of the same configuration of the radiator 2, weight and cost can be reduced, and the method has a great advantage compared with the prior design. Specifically, the maximum height of the housing 1 is determined by the mounting surface of the electronic control unit and the surrounding environment, the minimum height of the housing 1 is determined by the layout of internal elements, the mounting position of the radiator 2 is determined by the layout of heating elements, and the position of the opening of the housing 1 is determined according to the mounting position of the radiator 2. The electric control unit mounting surface is used as a reference, the lowest height of the shell 1 is used as a limit, a concave shell is designed, a large chamfer is designed at the edge of an opening to realize slow transition, the radiator 2 is mounted at the opening, the radiator is fixed on the shell 1 through a screw, and then the heat conducting layer 4 is smeared at the bottom of the radiator 2, so that the heating element transmits heat to the radiator 2 through the heat conducting layer 4, the top of the radiator 2 is higher than the shell 1 to form an air channel due to the concave design of the shell 1, and secondly, the transition design from the shell 1 to the radiator 2 greatly reduces thermal resistance, thereby realizing good heat dissipation effect, reducing weight and cost and improving signal transmitting and receiving transmission effects.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420475738.2U CN222170274U (en) | 2024-03-12 | 2024-03-12 | Heat radiation structure, electronic control equipment and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420475738.2U CN222170274U (en) | 2024-03-12 | 2024-03-12 | Heat radiation structure, electronic control equipment and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222170274U true CN222170274U (en) | 2024-12-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420475738.2U Active CN222170274U (en) | 2024-03-12 | 2024-03-12 | Heat radiation structure, electronic control equipment and car |
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| Country | Link |
|---|---|
| CN (1) | CN222170274U (en) |
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2024
- 2024-03-12 CN CN202420475738.2U patent/CN222170274U/en active Active
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