CN113300529A - Water-cooling shell of motor - Google Patents
Water-cooling shell of motor Download PDFInfo
- Publication number
- CN113300529A CN113300529A CN202110748272.XA CN202110748272A CN113300529A CN 113300529 A CN113300529 A CN 113300529A CN 202110748272 A CN202110748272 A CN 202110748272A CN 113300529 A CN113300529 A CN 113300529A
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- Prior art keywords
- water
- flow channel
- cooling
- shell
- flow
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- 238000001816 cooling Methods 0.000 title claims abstract description 113
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 85
- 238000009434 installation Methods 0.000 claims abstract description 27
- 238000005452 bending Methods 0.000 claims abstract description 8
- 239000000498 cooling water Substances 0.000 claims abstract description 8
- 238000005266 casting Methods 0.000 claims description 3
- 239000000110 cooling liquid Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 description 8
- 239000002826 coolant Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
The application relates to a motor is casing for water-cooling, it includes: a housing having a mounting area in which a motor is mounted; the flow channel structure is arranged in the shell and surrounds the installation area, a water-cooling flow channel surrounding the installation area is arranged in the flow channel structure, the water-cooling flow channel extends in a bending mode when surrounding the installation area, and the flow channel structure, the shell and the installation area are cooled by cooling water in the water-cooling flow channel; the water inlet is arranged on the shell and is communicated with the water-cooling flow passage; the water outlet is arranged on the shell and communicated with the water-cooling flow channel. Because the flow channel structure in the shell is provided with the water-cooling flow channel which is bent, extended and surrounds the motor installation area, the contact area between the inner space of the water-cooling flow channel and the flow channel structure is increased, the cooling liquid flowing in the water-cooling flow channel can efficiently exchange heat with the flow channel structure, further exchange heat with the shell, finally take away the heat transferred to the shell and the heat in the shell, and efficiently cool the motor.
Description
Technical Field
The application relates to the field of motors, in particular to a motor shell for water cooling.
Background
The new energy automobile has higher requirements on the weight, the volume and the power density of the motor. However, higher power density puts higher technical requirements on the heat dissipation effect of the motor.
In the related art, the main cooling mode of the motor of the new energy automobile is water cooling, specifically, a plurality of water channels distributed along the axial direction are arranged in a cavity of a motor shell, and heat exchange is carried out on the shell through cooling liquid passing through the water channels to realize cooling.
However, in the above-described related art, the denser the axial water passage is, the greater the pressure loss is, and there is a difference in the flow rate of the coolant in the axial water passage; the sparse axial water channel can cause uneven heat dissipation of the motor. The axial water pipe is in line contact with the inner wall and the outer wall, and the cooling effect is limited.
Disclosure of Invention
The embodiment of the application provides a casing for motor water cooling to water channel structure leads to its interior coolant liquid to have the problem of limitation to the cooling effect of motor in the use among the solution correlation technique.
In order to achieve the purpose, the application provides a motor shell for water cooling, which adopts the following technical scheme:
a water-cooling machine shell of a motor comprises:
a housing having a mounting area therein for mounting a motor;
the flow channel structure is arranged in the shell and surrounds the installation area, a water-cooling flow channel surrounding the installation area is arranged in the flow channel structure, the water-cooling flow channel extends in a bending mode when surrounding the installation area, and the flow channel structure, the shell and the installation area are cooled by cooling water in the water-cooling flow channel;
the water inlet is arranged on the shell and is communicated with the water-cooling flow channel;
and the water outlet is arranged on the shell and is communicated with the water-cooling flow channel.
In some embodiments, a plurality of water channels are formed on the inner walls of the two sides of the water-cooling flow channel at intervals, and the extending directions of the water channels are consistent, so that the inner walls of the two sides of the water-cooling flow channel form a bending structure.
In some embodiments, the water-cooled runner includes:
the first flow channels are arranged at intervals and are mutually parallel;
and the second flow channels are arranged between two adjacent first flow channels, and the second flow channels on two sides of the first flow channels are respectively arranged at two ends of the first flow channels.
In some embodiments, the first flow channel extends in a direction parallel to the axial direction of the flow channel structure and extends to both ends of the flow channel structure in the axial direction;
the second flow channel extends along the circumferential direction of the shell and is connected with the end parts of two adjacent first flow channels.
In some embodiments, the water tank is disposed on the inner walls of the two sides of the first flow channel, the extending direction of the water tank is the same as that of the first flow channel, and the two ends of the water tank extend to the two ends of the first flow channel respectively.
In some embodiments, the flow channel structure is a bent flow channel structure that is consistent with the water-cooling flow channel and is bent back and forth in the axial direction while extending in the circumferential direction.
In some embodiments, two ends of the water-cooling flow channel are adjacent to each other, and the water inlet and the water outlet are respectively communicated with two ends of the water-cooling flow channel.
In some embodiments, the water tanks on both sides of the water-cooling flow channel are arranged in a staggered manner.
In some embodiments, the water-cooling flow passage is connected with a water inlet pipe and a water outlet pipe, the water inlet pipe and the water outlet pipe extend out of the housing, and the water inlet and the water outlet are respectively open at ends of the water inlet pipe and the water outlet pipe.
In some embodiments, the flow channel structure is integrally formed by high pressure casting.
The beneficial effect that technical scheme that this application provided brought includes:
the embodiment of the application provides a casing for motor water cooling, because the runner structure in its casing has the water-cooling runner of buckling and extending and encircleing motor installation area, the area of contact of water-cooling runner inner space and runner structure has been increased, make through the water inlet, the delivery port realizes that the coolant liquid that flows in the water-cooling runner can be abundant, carry out the heat exchange with the runner structure high-efficiently, and further will carry out the heat exchange with the casing, the heat that the motor transmitted to casing and inside is finally taken away in the realization, the realization is to the high-efficient cooling of motor.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a motor housing according to an embodiment of the present application;
fig. 2 is a schematic view of a flow channel structure provided in an embodiment of the present application;
fig. 3 is a schematic structural view of a water-cooling flow channel provided in the embodiment of the present application;
fig. 4 is a front view of a flow direction of a cooling liquid in a flow channel structure according to an embodiment of the present application.
In the figure:
1. a housing; 10. an installation area;
2. a flow channel structure; 20. a water-cooling flow channel; 201. a first flow passage; 202. a second flow passage; 203. a groove; 21. a water tank;
3. a water inlet; 30. a water inlet pipe;
4. a water outlet; 40. and (5) discharging a water pipe.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The embodiment of the application provides a casing for motor water cooling, and it can solve among the prior art water course structure and lead to its interior coolant liquid to have the problem of limitation to the cooling effect of motor in the use.
Referring to fig. 1, a water-cooling casing for a motor includes a casing 1, a flow channel structure 2, a water inlet 3, and a water outlet 4. Wherein, the shell 1 has a mounting area 10 for placing and mounting the motor; the flow channel structure 2 is arranged in the shell 1 and surrounds the installation area 10, a water-cooling flow channel 20 surrounding the installation area 10 is arranged in the flow channel structure, the water-cooling flow channel 20 extends in a bending manner when surrounding the installation area 10, and the flow channel structure 2, the shell 1 and the installation area 10 are cooled by using cooling water in the water-cooling flow channel 20; the water inlet 3 is arranged on the shell 1 and is communicated with the water-cooling flow passage 20; the water outlet 4 is arranged on the shell 1 and is communicated with the water-cooling flow passage 20.
Specifically, the water-cooling runner 20 that sets up in the runner structure 2 is the extension of buckling when extending when encircleing installation region 10, the area of contact of water-cooling runner 20 inner space and runner structure 2 has been increased, make through water inlet 3, the coolant liquid that the delivery port 4 realized flowing in water-cooling runner 20 can be abundant, carry out heat exchange with runner structure 2 high-efficiently, and further will carry out heat exchange with casing 1, the heat that the motor transmitted to casing 1 and its inside is taken away in final realization, the realization is to the high-efficient cooling of motor.
Further, referring to fig. 2 and 3, a plurality of water grooves 21 are formed at intervals on the inner walls of both sides of the water-cooling flow passage 20, and the extending directions of the water grooves 21 are consistent, so that the inner walls of both sides of the water-cooling flow passage 20 form a bending structure.
In this embodiment, the outer walls of the flow channel structures 2 on both sides of the water-cooling flow channel 20 are provided with grooves 203 recessed into the water-cooling flow channel 20 at equal intervals, the extending directions of the grooves 203 are the same, the water channel 21 is formed between two adjacent grooves 203 in the flow channel structures 2, and at the same time, the flow channel structures 2 on both sides of the water-cooling flow channel 20 are bent. The shape of the groove 203 is specifically a semi-cylindrical shape, but in other embodiments, other shapes such as triangular prism, wave shape and other shapes can be selected, so as to effectively increase the surface area of the structure formed by the groove 203 in the water-cooling flow passage 20.
Specifically, the water tank 21 enlarges the contact area between the water-cooling flow channel 20 and the flow channel structure 2, so that the cooling liquid flowing in the water-cooling flow channel can exchange heat with the flow channel structure 2 more sufficiently, that is, the flow channel structure 2 is cooled, and finally the motor installation area 10 surrounded by the flow channel structure is cooled.
Further, referring to fig. 2, the water-cooling flow passage 20 includes a first flow passage 201 and a second flow passage 202. A plurality of first flow channels 201 are arranged at intervals, and the first flow channels 201 are parallel to each other; the second flow channel 202 is disposed between two adjacent first flow channels 201, and the second flow channels 202 on two sides of the first flow channels 201 are disposed at two ends of the first flow channels 201, respectively.
Further, referring to fig. 2, the extending direction of the first flow channel 201 is parallel to the axial direction of the flow channel structure 2, and extends to two ends of the flow channel structure 2 in the axial direction;
the second flow channel 202 extends along the circumferential direction of the housing 1 and connects the ends of two adjacent first flow channels 201.
Specifically, referring to fig. 2 and 4, the first flow channels 201 are arranged in the flow channel structure 2 along the axial direction, the second flow channels 202 connect two ends of two adjacent first flow channels 201, so that the formed water-cooling flow channels 20 are arranged in the flow channel structure 2 in an "S" shape, and the water-cooling flow channels 20 cross two axial ends of the flow channel structure 2 in the flow channel structure 2, so that the flow channel structure 2 through which the cooling water flows and which is in contact with the flow channel structure 2 has a larger area, thereby achieving sufficient heat exchange, that is, efficiently cooling the flow channel structure 2, and finally achieving efficient cooling of the motor in the surrounded installation area 10.
Further, referring to fig. 3, the water tank 21 is disposed on the inner walls of the two sides of the first flow channel 201, the extending direction of the water tank 21 is the same as that of the first flow channel, and the two ends of the water tank 21 respectively extend to the two ends of the first flow channel 201.
Specifically, the water tank 21 is provided in the first flow channel 201 having a large length span, and heat exchange is sufficiently performed when the coolant flows through the first flow channel 201.
Further, the flow channel structure 2 is identical to the water-cooling flow channel 20, and is a bending type flow channel structure 2 which is bent in a reciprocating manner in the axial direction while extending in the circumferential direction.
Specifically, compared with a complete annular flow passage structure, the size of the bent flow passage structure 2 is lower in material cost, and meanwhile, the cooling efficiency is increased, so that the subsequent rapid cooling of the motor in the shell 1 and the mounting area 10 can be realized.
Further, referring to fig. 2, two ends of the water-cooling flow channel 20 are adjacent, and the water inlet 3 and the water outlet 4 are respectively communicated with two ends of the water-cooling flow channel 20.
Specifically, the two ends of the water-cooling channel 20 are adjacent, that is, the water-cooling channel 20 annularly arranged in this embodiment has the farthest length of the water-cooling channel 20 when the installation area 10 is surrounded along the circumferential direction, so that the cooling liquid can flow in the water-cooling channel 20 for a long time, complete heat exchange with the channel structure 2 is realized, and the cooling effect of the motor casing structure for water cooling provided by this application is improved.
Further, referring to fig. 3, the water tanks 21 on both sides of the water-cooling flow passage 20 are arranged in a staggered manner.
Specifically, the water channels 21 on the inner walls of the two sides of the water-cooling channel 20 are arranged in a staggered manner, so that an S-shaped structure is formed between the two side walls of the water-cooling channel 20, the flow resistance of the water-cooling channel 20 to the cooling liquid can be effectively reduced, the surface area of the water-cooling channel 20 is increased, and the cooling effect is improved.
Further, referring to fig. 2, the water-cooling flow channel 20 is connected with a water inlet pipe 30 and a water outlet pipe 40, the water inlet pipe 30 and the water outlet pipe 40 extend to the outside of the housing 1, and the water inlet 3 and the water outlet 4 are respectively open at the ends of the water inlet pipe 30 and the water outlet pipe 40.
Specifically, through extending to the outer inlet tube 30 and the outlet pipe 40 of casing 1, realize that water inlet 3 and delivery port 4 all are outside casing 1, and then can be more convenient when follow-up installation with be connected seal, realize reducing sealed the problem of revealing and appear to save split type casing inside and outside water jacket's installation time, save time and cost.
Further, the runner structure 2 is integrally formed by high-pressure casting.
Specifically, each performance of each area material in the flow channel structure 2 is basically consistent, and meanwhile, the flow channel structure 2 with the internal water-cooling flow channel 20 can be obtained more quickly by using the method, so that the production and processing during actual application are facilitated, and the cooling effect of the obtained flow channel structure 2 is guaranteed.
The working principle and the beneficial effects of the application are as follows: the water-cooling runner 20 that sets up in the runner structure 2 is the extension of buckling when extending when encircleing installation region 10, the area of contact of 20 inner spaces of water-cooling runner and runner structure 2 has been increased, make through water inlet 3, delivery port 4 realize that the coolant liquid that flows in water-cooling runner 20 can be abundant, carry out heat exchange with runner structure 2 high-efficiently, and further will carry out heat exchange with casing 1, the heat that the motor transmitted to casing 1 and its inside is taken away in final realization, the realization is to the high-efficient cooling of motor. Meanwhile, the water tank 21 is arranged in the water-cooling flow passage 20, so that the contact area between the water-cooling flow passage 20 and the flow passage structure 2 is enlarged, and then the cooling liquid flowing in the water-cooling flow passage can exchange heat with the flow passage structure 2 more fully, namely, the flow passage structure 2 is cooled, and finally, the cooling treatment of the motor installation area 10 surrounded by the flow passage structure is realized.
In the description of the present application, it is to be understood that the forward direction of "X" in the drawings represents the right direction, and correspondingly, the reverse direction of "X" represents the left direction; the forward direction of "Y" represents forward, and correspondingly, the reverse direction of "Y" represents rearward; the forward direction of "Z" represents the upward direction, and correspondingly, the reverse direction of "Z" represents the downward direction, and the directions or positional relationships indicated by the terms "X", "Y", "Z", etc. are based on the directions or positional relationships shown in the drawings of the specification, and are only for convenience of describing and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular direction, be constructed and operated in a particular direction, and thus should not be construed as limiting the present application. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. 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 application. Thus, the present application 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 (10)
1. The utility model provides a motor is casing for water-cooling which characterized in that, it includes:
a housing (1) having a mounting area (10) therein for mounting a motor;
the flow channel structure (2) is arranged in the shell (1) and surrounds the installation area (10), a water-cooling flow channel (20) surrounding the installation area (10) is arranged in the flow channel structure, the water-cooling flow channel (20) extends in a bending mode when surrounding the installation area (10), and cooling water in the water-cooling flow channel (20) is used for cooling the flow channel structure (2), the shell (1) and the installation area (10);
the water inlet (3) is arranged on the shell (1) and is communicated with the water-cooling flow channel (20);
and the water outlet (4) is arranged on the shell (1) and is communicated with the water-cooling flow channel (20).
2. The casing structure for cooling water of an electric motor according to claim 1, wherein a plurality of water grooves (21) are formed at intervals on the inner walls of both sides of the water-cooling flow passage (20), and the extending directions of the water grooves (21) are consistent, so that the inner walls of both sides of the water-cooling flow passage (20) form a bending structure.
3. The motor water-cooling cabinet structure according to claim 2, wherein the water-cooling flow passage (20) includes:
the flow channel structure comprises a plurality of first flow channels (201) which are arranged at intervals, wherein the first flow channels (201) are mutually parallel;
and the second flow channel (202) is arranged between two adjacent first flow channels (201), and the second flow channels (202) on two sides of the first flow channel (201) are respectively arranged at two ends of the first flow channel (201).
4. The structure of the water-cooling casing of the motor according to claim 3,
the extending direction of the first flow channel (201) is parallel to the axial direction of the flow channel structure (2) and extends to two ends of the flow channel structure (2) in the axial direction;
the second flow channel (202) extends along the circumferential direction of the shell (1) and is connected with the end parts of two adjacent first flow channels (201).
5. The cabinet structure for cooling water in an electric motor according to claim 4, wherein the water tank (21) is disposed on the inner walls of the first flow channel (201) at both sides, the extending direction of the water tank (21) is the same as that of the first flow channel, and both ends of the water tank (21) extend to both ends of the first flow channel (201).
6. The structure of a water-cooling casing for an electric motor according to claim 4, wherein the flow channel structure (2) is a bent flow channel structure (2) which is identical to the water-cooling flow channel (20) and is bent back and forth in the axial direction while extending in the circumferential direction.
7. The casing structure for water cooling of electric motor according to claim 6, wherein two ends of the water cooling flow channel (20) are adjacent, and the water inlet (3) and the water outlet (4) are respectively communicated with two ends of the water cooling flow channel (20).
8. The structure of a water-cooling casing for an electric motor according to claim 2, wherein the water tanks (21) on both sides of the water-cooling flow passage (20) are arranged in a staggered manner.
9. The machine shell structure for cooling water of the motor according to any one of claims 1 to 7, wherein the water cooling flow passage (20) is connected with a water inlet pipe (30) and a water outlet pipe (40), the water inlet pipe (30) and the water outlet pipe (40) extend to the outside of the shell (1), and the water inlet (3) and the water outlet (4) are respectively open at the ends of the water inlet pipe (30) and the water outlet pipe (40).
10. The machine shell structure for motor water cooling according to any one of claims 1-7, characterized in that the flow channel structure (2) is integrally formed by high pressure casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110748272.XA CN113300529A (en) | 2021-06-29 | 2021-06-29 | Water-cooling shell of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110748272.XA CN113300529A (en) | 2021-06-29 | 2021-06-29 | Water-cooling shell of motor |
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| Publication Number | Publication Date |
|---|---|
| CN113300529A true CN113300529A (en) | 2021-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110748272.XA Pending CN113300529A (en) | 2021-06-29 | 2021-06-29 | Water-cooling shell of motor |
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| CN (1) | CN113300529A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114076643A (en) * | 2021-10-28 | 2022-02-22 | 广东电网有限责任公司广州供电局 | Motor temperature detection control device and motor temperature detection control method |
| CN114865848A (en) * | 2022-04-26 | 2022-08-05 | 哈尔滨工业大学 | Groove type water channel cooling plate applied to linear motor system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114076643A (en) * | 2021-10-28 | 2022-02-22 | 广东电网有限责任公司广州供电局 | Motor temperature detection control device and motor temperature detection control method |
| CN114076643B (en) * | 2021-10-28 | 2024-03-26 | 广东电网有限责任公司广州供电局 | Motor temperature detection control device and motor temperature detection control method |
| CN114865848A (en) * | 2022-04-26 | 2022-08-05 | 哈尔滨工业大学 | Groove type water channel cooling plate applied to linear motor system |
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