CN219893083U - Composite heat dissipation motor housing - Google Patents
Composite heat dissipation motor housing Download PDFInfo
- Publication number
- CN219893083U CN219893083U CN202321262564.3U CN202321262564U CN219893083U CN 219893083 U CN219893083 U CN 219893083U CN 202321262564 U CN202321262564 U CN 202321262564U CN 219893083 U CN219893083 U CN 219893083U
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- CN
- China
- Prior art keywords
- cooling
- liquid
- shell
- liquid cooling
- air
- Prior art date
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- 230000017525 heat dissipation Effects 0.000 title claims abstract description 34
- 239000002131 composite material Substances 0.000 title claims abstract description 17
- 238000001816 cooling Methods 0.000 claims abstract description 181
- 239000007788 liquid Substances 0.000 claims abstract description 115
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 239000002826 coolant Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 4
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000012809 cooling fluid Substances 0.000 claims 1
- 239000000110 cooling liquid Substances 0.000 abstract description 22
- 230000000694 effects Effects 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 2
- 238000012546 transfer Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Motor Or Generator Cooling System (AREA)
Abstract
The utility model discloses a composite heat dissipation motor shell which comprises a shell body, wherein the shell body comprises a liquid cooling shell and an air cooling shell sleeved outside the liquid cooling shell, a liquid cooling groove is arranged outside the liquid cooling shell, a liquid cooling channel is formed by the liquid cooling groove and the inner wall of the air cooling shell, and a heat dissipation fin is arranged outside the air cooling shell. The cooling liquid is used for injecting cooling liquid in the liquid cooling channel in the motor shell, the cooling liquid exchanges heat with the liquid cooling shell to reduce the temperature of the liquid cooling shell, the warmed cooling liquid exchanges heat with the inner wall of the air cooling shell, meanwhile, a small amount of heat is directly transmitted to the air cooling shell through the liquid cooling shell and the air cooling shell, then the air cooling shell dissipates the heat into the air through the cooling fins, the heat transfer efficiency is high, the heat dissipation effect is good, and the heat dissipation channel between the cooling fins can form forced air cooling in the working process of a machine tool or when a fan is added, so that the heat can be taken away to the greatest extent.
Description
Technical Field
The utility model relates to the technical field of motor production, in particular to a composite heat dissipation motor shell.
Background
With the development of the national key support technical fields such as new energy automobiles, robots, high-precision numerical control machine tools and the like, higher requirements are put forward on performance indexes such as efficiency, power density and response speed of the motor, the development of the motor towards the directions such as high precision, high power density, miniaturization, light weight, mechanical and electrical integration and the like is promoted, the problem that the heat productivity in the motor is rapidly increased and the effective heat dissipation space is seriously insufficient is caused, and the heat dissipation problem becomes the bottleneck of the development of the motor further towards the direction of high power density.
The motor internal temperature is too high, so that the service life of insulating materials in the motor can be reduced, windings can be burnt, the running efficiency of the motor can be reduced, the heating value is increased, the motor temperature is further increased, vicious circle is formed, and the service life of the motor and the running safety of the motor are seriously affected. It is counted that about 30% to 40% of permanent magnet motor failures are caused by excessive motor temperatures. Therefore, there is a need for cooling the motor by effective means.
The most widely used at present is the air cooling heat dissipation system with low cost, high efficiency and high power suitable for the low power motor and the liquid cooling heat dissipation system with high efficiency suitable for the high power motor, and the heat of the motor is transferred to realize heat dissipation by air cooling and water cooling, but for some motors with high power density or high precision, the existing heat dissipation mode is difficult to receive good effect.
Therefore, how to provide a motor housing with good heat dissipation effect and simple structure is a technical problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In order to solve the technical problems, the utility model provides the motor shell with composite heat dissipation, which combines two cooling modes of liquid cooling and air cooling to dissipate heat, and has the advantages of simple structure and high heat dissipation efficiency.
The technical scheme provided by the utility model is as follows:
the utility model provides a compound radiating motor housing, includes the casing, the casing includes liquid cooling shell and cover is established the air cooling shell in the liquid cooling shell outside, the outside of liquid cooling shell is equipped with the liquid cooling groove, the liquid cooling groove with the liquid cooling passageway is constituteed to the inner wall of air cooling shell, the outside of air cooling shell is equipped with the fin.
Furthermore, a sealing ring is arranged at the end part of the liquid cooling shell, which is contacted with the air cooling shell.
Further, the liquid cooling groove is spirally arranged on the outer wall of the liquid cooling shell.
Further, the cooling fins are spirally distributed on the outer wall of the air cooling shell.
Further, the positions of the cooling fins correspond to the positions of the liquid cooling grooves.
Further, the axial distance between the adjacent cooling fins is smaller than the axial distance between the adjacent liquid cooling grooves.
Further, the liquid cooling shell and the air cooling shell are cylindrical.
Further, the liquid cooling channel is used for injecting one of cooling water, liquid metal coolant, cooling oil or mixed cooling liquid.
Further, the two ends of the liquid cooling shell are respectively provided with a liquid injection port and a liquid outlet, and the liquid injection port and the liquid outlet are respectively communicated with the two ends of the liquid cooling channel.
According to the motor shell with composite heat dissipation, the air cooling shell is fixedly sleeved outside the liquid cooling shell, the liquid cooling channel is formed between the air cooling shell and the liquid cooling groove of the liquid cooling shell, cooling liquid is filled into the liquid cooling channel, heat exchange is carried out between the cooling liquid and the liquid cooling shell to reduce the temperature of the liquid cooling shell, heat exchange is carried out between the heated cooling liquid and the inner wall of the air cooling shell, at the same time, a small amount of heat is directly transmitted to the air cooling shell through the liquid cooling shell and the air cooling shell, and then the air cooling shell dissipates the heat into the air through the cooling fins.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
Fig. 1 is a schematic structural diagram of a motor housing with composite heat dissipation in an embodiment of the utility model;
FIG. 2 is a schematic diagram of a liquid cooling shell according to an embodiment of the present utility model;
fig. 3 is a schematic structural diagram of a hollow cold shell according to an embodiment of the present utility model.
Reference numerals: the liquid cooling device comprises a liquid cooling shell 1, an air cooling shell 2, a liquid cooling groove 3, cooling fins 4, a liquid cooling channel 5, a cooling channel 6, a liquid injection port 7 and a liquid outlet 8.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the technical solutions of the embodiments of the present utility model will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element; when an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" or "a number" means two or more, unless specifically defined otherwise.
It should be understood that the structures, proportions, sizes, etc. shown in the drawings are for illustration purposes only and should not be construed as limiting the utility model to the extent that it can be practiced, since modifications, changes in the proportions, or adjustments of the sizes, which are otherwise, used in the practice of the utility model, are included in the spirit and scope of the utility model which is otherwise, without departing from the spirit or scope thereof.
As shown in fig. 1 to 3, an embodiment of the present utility model provides a motor housing with composite heat dissipation, which includes a housing, the housing includes a liquid cooling shell 1 and an air cooling shell 2 sleeved outside the liquid cooling shell 1, a liquid cooling tank 3 is disposed outside the liquid cooling shell 1, the liquid cooling tank 3 and an inner wall of the air cooling shell 2 form a liquid cooling channel 5, and a heat sink 4 is disposed outside the air cooling shell 2.
According to the motor shell with composite heat dissipation, the air cooling shell 2 is fixedly sleeved outside the liquid cooling shell 1 in an interference fit manner, a liquid cooling channel 5 is formed between the air cooling shell 2 and the liquid cooling groove 3 of the liquid cooling shell 1, cooling liquid is injected into the liquid cooling channel 5, heat generated in the use process of the motor can be transferred to the liquid cooling shell 1, the cooling liquid exchanges heat with the liquid cooling shell 1, the cooling liquid can effectively absorb the heat of the liquid cooling shell 1, primary cooling can be carried out on the liquid cooling shell 1, the purpose of cooling is achieved for the liquid cooling shell 1, the warmed cooling liquid exchanges heat with the air cooling shell 2 directly, at the same time, a small part of heat is directly transferred to the air cooling shell 2 through the liquid cooling shell 1 and the air cooling shell 2, then the air cooling shell 2 dissipates the heat into the air through the cooling fins 4, the outer wall of the air cooling shell 2 is provided with the cooling fins, the heat dissipation area is large, the heat transfer efficiency is high, the heat dissipation effect is good, the heat dissipation channel 6 is formed between the adjacent cooling fins 4, the motor is arranged on a machine tool, the machine tool moves in a vertical horizontal plane mainly in the motion of a shafting, and forced cooling channel 6 is formed by the air flow along the heat dissipation channel 6; or forced air cooling can be formed when a fan is added, and heat can be taken away to the maximum extent. The motor shell is simple in structure, convenient to assemble, capable of continuously cooling for a long time by combining two cooling modes of liquid cooling and air cooling, and good in heat dissipation effect. In addition, the liquid cooling shell 1 and the air cooling shell 2 are arranged separately, can be processed independently, can reduce the processing difficulty and save the cost.
Wherein, the liquid cooling channel 5 is used for injecting one of cooling water, liquid metal coolant, cooling oil or mixed cooling liquid. The mixed cooling liquid can be a mixed solution with a cooling effect, the embodiment adopts cooling water for cooling, the specific heat capacity of the water is larger, and the mixed cooling liquid has good heat conduction characteristic and good heat dissipation effect.
In order to prevent leakage of the cooling liquid, a sealing ring is arranged at the end part contacted between the liquid cooling shell 1 and the air cooling shell 2. The sealing washer prefers O type sealing washer, and the both ends of the casing that liquid cooling shell 1 and air cooling shell 2 constitute all are equipped with the sealing washer, make the gap at the both ends that liquid cooling shell 1 and air cooling shell 2 contacted sealed, prevent that the coolant from leaking out from the gap between liquid cooling shell 1 and the air cooling shell 2 at casing both ends to guarantee the normal operating of coolant circulation, the normal work of motor.
In this embodiment, the liquid cooling tank 3 is preferably disposed on the outer wall of the liquid cooling shell 1 in a spiral manner. The outer wall of the liquid cooling groove 3 is provided with cooling grooves along the circumferential direction in a spiral manner, the formed liquid cooling channels 5 are uniformly distributed on the liquid cooling shell 1, more cooling liquid can be injected into the liquid cooling channels 5, and the channel resistance inside the liquid cooling channels 5 which are arranged in a spiral manner is small, so that the heat dissipation effect of the cooling liquid inside the liquid cooling channels 5 is improved.
More preferably, the cooling fins 4 are spirally distributed on the outer wall of the air cooling shell 2. The outer wall of the air cooling shell 2 is spirally provided with the radiating fins 4 along the circumferential direction, and the radiating fins 4 extend along the radial direction, so that the radiating area outside the air cooling shell is greatly increased, and the heat dissipation is facilitated.
In order to further improve the heat dissipation effect, the position of the heat sink 4 corresponds to the position of the liquid cooling tank 3. The cooling fins 4 are matched with the liquid cooling channels 5 which are spirally arranged, so that the distance between the temperature and the cooling fins 4 can be effectively reduced, and the cooling effect is better.
In order to further improve the heat dissipation effect, the axial distance between the adjacent heat dissipation fins 4 may be smaller than the axial distance between the adjacent liquid cooling grooves 3. That is to say, the density of the cooling fins 4 is greater than that of the liquid cooling grooves 3, the number of the cooling fins 4 is increased, the heat dissipation area is increased, and the heat dissipation effect is improved.
Preferably, the liquid cooling case 1 and the air cooling case 2 have a cylindrical shape. In order to facilitate the installation of the stator and the rotor of the motor, the liquid cooling shell 1 and the air cooling shell 2 are cylindrical.
In order to facilitate injection or discharge of cooling liquid into the liquid cooling channel 5, two ends of the liquid cooling shell 1 are respectively provided with a liquid injection port 7 and a liquid outlet 8, and the liquid injection port 7 and the liquid outlet 8 are respectively communicated with two ends of the liquid cooling channel 5. The liquid outlet 8 and the liquid injection port 7 can be sealed, and when the cooling liquid is injected into the liquid cooling channel 5 from the liquid injection port 7 and the cooling liquid needs to be replaced, the cooling liquid can be discharged from the liquid outlet 8.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. The utility model provides a compound radiating motor housing which characterized in that: the cooling device comprises a shell, wherein the shell comprises a liquid cooling shell and an air cooling shell sleeved outside the liquid cooling shell, a liquid cooling groove is formed in the outer portion of the liquid cooling shell, a liquid cooling channel is formed by the liquid cooling groove and the inner wall of the air cooling shell, and cooling fins are arranged outside the air cooling shell.
2. The composite heat dissipating motor housing of claim 1, wherein a seal ring is provided at an end of the liquid cooling shell in contact with the air cooling shell.
3. The composite heat dissipating motor housing of claim 1, wherein the liquid cooling trough is helically disposed on an outer wall of the liquid cooling enclosure.
4. A composite heat dissipating motor casing according to any one of claims 1 to 3, wherein said heat dissipating fins are spirally distributed on an outer wall of said air cooling casing.
5. The composite heat sink motor housing of claim 4, wherein the position of the heat sink corresponds to the position of the liquid cooling tank.
6. The composite heat dissipating motor housing of claim 4, wherein the axial distance between adjacent cooling fins is less than the axial distance between adjacent liquid cooling slots.
7. The composite heat dissipating motor housing of claim 1, wherein said liquid cooled shell and said air cooled shell are cylindrical.
8. The composite heat dissipating motor housing of claim 1, wherein the liquid cooling channel is configured to inject one of cooling water, liquid metal coolant, cooling oil, or a mixed cooling fluid.
9. The composite heat dissipation motor housing of claim 8, wherein two ends of the liquid cooling shell are respectively provided with a liquid injection port and a liquid outlet, and the liquid injection port and the liquid outlet are respectively communicated with two ends of the liquid cooling channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262564.3U CN219893083U (en) | 2023-05-23 | 2023-05-23 | Composite heat dissipation motor housing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321262564.3U CN219893083U (en) | 2023-05-23 | 2023-05-23 | Composite heat dissipation motor housing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219893083U true CN219893083U (en) | 2023-10-24 |
Family
ID=88408549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321262564.3U Active CN219893083U (en) | 2023-05-23 | 2023-05-23 | Composite heat dissipation motor housing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219893083U (en) |
-
2023
- 2023-05-23 CN CN202321262564.3U patent/CN219893083U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |