CN215817707U - Motor stator cooling structure and motor - Google Patents
Motor stator cooling structure and motor Download PDFInfo
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- CN215817707U CN215817707U CN202121714214.7U CN202121714214U CN215817707U CN 215817707 U CN215817707 U CN 215817707U CN 202121714214 U CN202121714214 U CN 202121714214U CN 215817707 U CN215817707 U CN 215817707U
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Abstract
The application provides a motor stator cooling structure and motor. The motor stator cooling structure comprises a stator core (1) and a stator winding (2), wherein a winding wire slot is formed in the stator core (1), the stator winding (2) is wound in the winding wire slot, a baffle ring (3) is arranged between the stator winding (2) and at least one end face of the stator core (1), and a cooling channel is arranged in the baffle ring (3). According to the motor stator cooling structure, the end winding of the motor stator can be effectively cooled, the local temperature of the winding is prevented from being too high, and the output power of the motor is improved.
Description
Technical Field
The application relates to the technical field of motors, in particular to a motor stator cooling structure and a motor.
Background
With the vigorous promotion of the industry upgrading of the country, the field of motors can be continuously developed to high speed and miniaturization. The power density and loss density of the motor are increased, and the heat generation of the motor winding, especially the end winding, is further increased.
The back winding type winding form is adopted, so that the size of the end part of the motor winding, particularly the size of the wire outlet end, can be effectively reduced, and the heating value of the end part can be reduced as the resistance of the end part is reduced. However, the space of the insulation filling medium required by the back-wound winding under the condition of the same number of turns is larger, and the size of the stator core of the motor is increased in order to ensure that the magnetic field distribution of the motor is not excessively saturated and the output torque under the same current is unchanged.
For the high-speed permanent magnet motor adopting the back-wound winding, the winding end is wrapped by multiple layers of insulation, so that the heat dissipation of the winding and the iron core is more facilitated, and the possibility of insulation breakdown caused by insulation aging of the end winding is increased.
SUMMERY OF THE UTILITY MODEL
Therefore, the technical problem that this application will be solved lies in providing a motor stator cooling structure and motor, can form effective cooling to motor stator's end winding, avoids winding local high temperature, improves motor output.
In order to solve the problem, the application provides a motor stator cooling structure, including stator core and stator winding, the last winding wire casing that is provided with of stator core, stator winding is around establishing in the winding wire casing, is provided with between at least one terminal surface of stator winding and stator core and keeps off the ring, keeps off that the ring embeds there is cooling channel.
Preferably, the baffle ring comprises a first port and a second port, the first port and the second port are communicated with the cooling channel, and the cooling medium enters the cooling channel from the first port and flows out from the second port.
Preferably, the first interface and the second interface are positioned at two ends of the baffle ring with the same diameter; or the baffle ring is C-shaped, the first interface is positioned at the first end of the C-shaped structure of the baffle ring, and the second interface is positioned at the second end of the C-shaped structure of the baffle ring.
Preferably, a partition plate is arranged in the cooling channel of the baffle ring, two sides of the partition plate are separated, the first interface is arranged on the first side of the partition plate, and the second interface is arranged on the second side of the partition plate.
Preferably, a cooling framework is arranged in the winding wire slot, the cooling framework is provided with a cooling channel, and the cooling framework can cool the stator winding through the cooling channel.
Preferably, the winding wire slot comprises a winding inner slot and a winding outer slot, and the cooling framework is arranged in the winding inner slot and/or the winding outer slot.
Preferably, the cooling framework comprises heat pipes and an outer pipe connecting section, the heat pipes are located in the winding wire grooves, and the outer pipe connecting section is connected between every two adjacent heat pipes.
Preferably, the heat pipe is connected in series through the outer pipe connecting section, the baffle ring further comprises a third interface and a fourth interface, the first end of the cooling framework is connected with the third interface, and the second end of the cooling framework is connected with the fourth interface.
Preferably, both ends of stator core are provided with respectively and keep off the ring, and the heat pipe passes through outer tube connection section and establishes ties, and the first end of cooling skeleton keeps off the second interface connection of ring with one of them, and the second end of cooling skeleton keeps off the second interface connection of ring with another one.
Preferably, two ends of the stator core are respectively provided with a baffle ring, the cooling framework comprises heat pipes, the heat pipes are arranged in parallel, the first end of each heat pipe is communicated with the cooling flow channel of one baffle ring, and the second end of each heat pipe is communicated with the cooling flow channel of the other baffle ring.
Preferably, two ends of the stator core are respectively provided with a baffle ring, the heat pipes are connected in series through the outer pipe connecting section, the first end of the cooling framework is connected with the second interface of one of the baffle rings, the second end of the cooling framework is connected with the second interface of the other baffle ring, the first interface of one of the baffle rings is connected with an external heat pipe, and the external heat pipe is arranged in the winding wire slot; or the two ends of the stator core are respectively provided with a baffle ring, the heat pipes are connected in series through the outer pipe connecting section, the first end of the cooling framework is connected with the second interface of one of the baffle rings, the second end of the cooling framework is connected with the second interface of the other baffle ring, the first interfaces of the baffle rings are respectively connected with an external heat pipe, and the external heat pipes are arranged in the winding wire slots.
Preferably, keep off the ring and be the heat pipe structure, keep off the ring and include ring body and condensation segment, the ring body is located between stator winding and the stator core, and the condensation end is connected on the ring body to the direction axial that keeps away from stator core stretches out.
Preferably, the first and second interfaces are located between two adjacent winding coils of the stator winding.
Preferably, the cooling framework is formed by splicing a plurality of cooling sections; or the cooling framework is integrally formed.
Preferably, the baffle ring is made of a heat-conducting and insulating material.
According to another aspect of the present application, there is provided an electric machine including an electric machine stator cooling structure, which is the electric machine stator cooling structure described above.
The application provides a motor stator cooling structure, including stator core and stator winding, the last winding wire casing that is provided with of stator core, stator winding is around establishing in the winding wire casing, is provided with between at least one terminal surface of stator winding and stator core and keeps off the ring, keeps off that the ring embeds there is cooling channel. This motor stator cooling structure sets up between stator winding and stator core and keeps off the ring to set up cooling channel in keeping off the ring, can utilize and keep off the ring and carry out effective cooling to stator winding's end winding, improve end winding's cooling effect and cooling efficiency, avoid winding local temperature too high, improve motor output, can also utilize simultaneously to keep off the ring and keep apart between end winding and the stator core, improve the insulation level between end winding and the stator core, the even running of protection motor.
Drawings
Fig. 1 is a perspective view of a cooling structure of a stator of a motor according to an embodiment of the present application;
fig. 2 is a view showing an end face structure of a stator cooling structure of a motor according to an embodiment of the present application;
fig. 3 is another end view structural view of a stator cooling structure of a motor according to an embodiment of the present application;
fig. 4 is a perspective view of a cooling skeleton of a motor stator cooling structure according to an embodiment of the present application;
FIG. 5 is a schematic structural diagram of a stator cooling structure of an electric machine according to an embodiment of the present application;
fig. 6 is a schematic structural view of a stator core of a stator cooling structure of an electric machine according to an embodiment of the present application;
FIG. 7 is a schematic end ring structure of a stator cooling structure of an electric machine according to an embodiment of the present application;
fig. 8 is a partially enlarged structural view of an end ring of a stator cooling structure of an electric machine according to an embodiment of the present application;
FIG. 9 is a cross-sectional structural view of an end ring of a motor stator cooling structure according to one embodiment of the present application;
fig. 10 is a perspective view of a heat pipe of a motor stator cooling structure according to an embodiment of the present application.
The reference numerals are represented as:
1. a stator core; 2. a stator winding; 3. a baffle ring; 4. a first interface; 5. a second interface; 6. winding inner grooves; 7. a winding outer slot; 8. a heat pipe; 9. an outer tube connecting section; 10. is externally connected with a heat pipe.
Detailed Description
Referring to fig. 1 to 10 in combination, according to an embodiment of the present application, a motor stator cooling structure includes a stator core 1 and a stator winding 2, a winding slot is disposed on the stator core 1, the stator winding 2 is wound in the winding slot, a baffle ring 3 is disposed between the stator winding 2 and at least one end surface of the stator core 1, and a cooling channel is disposed in the baffle ring 3.
This motor stator cooling structure sets up between stator winding 2 and stator core 1 and keeps off ring 3, and set up cooling channel in keeping off ring 3, can utilize and keep off ring 3 and effectively cool off stator winding 2's end winding, improve end winding's cooling effect and cooling efficiency, avoid winding local temperature too high, improve motor output, can also utilize simultaneously to keep off ring 3 and keep apart between end winding and the stator core 1, improve the insulation level between end winding and the stator core 1, the even running of protection motor. In addition, the baffle ring 3 can also be punched by the pressing sheet of the stator core 1, so that the overall structure of the stator core 1 is stronger.
Combine stator core 1's inside and outside footpath size, inside and outside groove size, iron core towards piece stack height and fold and press towards piece quantity, can rational design keep off ring 3's geometric shape, inside diameter size, external diameter and thickness, in this embodiment, keep off ring 3's shape for the annular, the mounted position is stator core 1's both ends, can press close to stator core 1 and fully contact with stator core 1, can fix on stator core 1 through the screw fender ring 3 to make fender ring 3 compress tightly towards the piece.
In one embodiment, the baffle ring 3 comprises a first port 4 and a second port 5, the first port 4 and the second port 5 are communicated with a cooling channel, and a cooling medium enters the cooling channel from the first port 4 and flows out from the second port 5. In this embodiment, the baffle ring 3 can be connected with an external cooling medium pipeline through the first interface 4 and the second interface 5, and the cooling medium can enter the cooling channel of the baffle ring 3 through the first interface 4, cool the end winding in the process of flowing through the cooling channel, and then flow out from the cooling channel through the second interface 5 to form a cooling circulation, so as to continuously and effectively cool the end winding.
In an embodiment not shown in the drawings, the first connector 4 and the second connector 5 are located at two ends of the baffle ring 3 with the same diameter, so that the distance between the first connector 4 and the second connector 5 can be maximized, the distance between the inlet and the outlet of the cooling medium is farthest, the cooling medium can fully flow through the cooling channel of the baffle ring 3, and the end winding of each part can be effectively cooled.
In an embodiment not shown in the figures, the retainer ring 3 is C-shaped, the first port 4 is located at a first end of the C-shaped structure of the retainer ring 3, and the second port 5 is located at a second end of the C-shaped structure of the retainer ring 3. In this embodiment, the baffle ring 3 is designed to be C-shaped, so that the internal channel of the baffle ring 3 becomes a disconnected channel, and thus, the first connector 4 is disposed at one end of the baffle ring 3, and the second connector 5 is disposed at the other end of the baffle ring 3, so that the cooling medium can be ensured to flow out of the baffle ring 3 after entering the baffle ring 3 and passing through the maximum flow stroke, and the heat exchange and cooling effect between the cooling medium and the end winding is ensured. In order to ensure a maximum flow path for the cooling medium, the two ends of the baffle ring 3 should be as close as possible, and the first connection 4 and the second connection 5 should also be arranged as far as possible at the ends.
In an embodiment not shown in the figures, a partition is arranged in the cooling channel of the baffle ring 3, the two sides of the partition are separated, the first port 4 is arranged on the first side of the partition, and the second port 5 is arranged on the second side of the partition. In this embodiment, the cooling passage can be also partitioned by providing the partition plate in the cooling passage of the baffle ring 3, so that the cooling medium has the maximum flow path in the cooling passage, and the cooling effect of the cooling medium on the end winding is improved.
In one embodiment, a cooling skeleton is arranged in the winding wire slots, the cooling skeleton having cooling channels, the cooling skeleton being able to cool the stator winding 2 via the cooling channels. In this embodiment, through setting up the cooling skeleton, can follow winding wire inslot and carry out cooling heat dissipation to stator winding 2 and stator core 1, effectively reduce stator core 1 and stator winding 2's temperature.
The cooling framework in this embodiment may use the same cooling system as the baffle ring 3, or may use a different cooling system from the baffle ring 3, and the two cooling systems belong to different cooling flow paths.
In one embodiment, the cooling medium inlet and outlet may be provided on the cooling skeleton, on the baffle ring 3, or one of the inlet and outlet may be provided on the cooling skeleton and the other on the baffle ring 3.
In one embodiment, the winding wire slots comprise an inner winding slot 6 and an outer winding slot 7, and the cooling skeleton is arranged in the inner winding slot 6 and/or the outer winding slot 7.
The cooling framework can only be arranged in the winding inner groove 6, also can only be arranged in the winding outer groove 7, and can also be arranged in the winding inner groove 6 and the winding outer groove 7 simultaneously, and both the stator core 1 and the stator winding 2 can be effectively cooled.
In one embodiment, the cooling skeleton comprises heat pipes 8 and outer pipe connecting sections 9, the heat pipes 8 are positioned in the winding wire grooves, and the outer pipe connecting sections 9 are connected between two adjacent heat pipes 8. In this embodiment, adjacent heat pipes 8 can be connected through outer pipe connecting section 9 in sequence to form a series structure, thereby reducing the pipe joint number of the cooling framework, simplifying the cooling structure and reducing the production difficulty.
In one embodiment, the heat pipes 8 are connected in series through the outer pipe connecting section 9, the baffle ring 3 further includes a third interface and a fourth interface, the first end of the cooling frame is connected with the third interface, and the second end of the cooling frame is connected with the fourth interface. In this embodiment, a single baffle ring 3 is connected to the cooling frame to form a cooling system, wherein the first interface 4 and the second interface 5 of the baffle ring 3 are used as inlet and outlet pipe orifices of cooling medium, the third interface and the fourth interface are respectively connected with two ends of the cooling framework, so that the cooling framework can be connected into the baffle ring 3, and the baffle ring 3 form a cooling flow path, after the cooling medium enters the baffle ring 3 through the first interface, one part of the cooling medium flows through the cooling channel of the baffle ring 3 to cool the end winding, the other part of the cooling medium enters the cooling framework from the third interface, and in the process of flowing through the cooling channel of the cooling framework, simultaneously, the stator winding 2 and the stator iron core 1 are cooled, the cooling medium in the cooling framework flows out from the fourth interface to the baffle ring 3, after merging with the cooling medium in the retainer ring 3, the coolant flows out of the retainer ring 3 through the second port 5 to form a cooling cycle.
In one embodiment, the two ends of the stator core 1 are respectively provided with the baffle rings 3, the heat pipes 8 are connected in series through the outer pipe connecting section 9, the first end of the cooling framework is connected with the second interface 5 of one of the baffle rings 3, and the second end of the cooling framework is connected with the second interface 5 of the other baffle ring 3. In this embodiment, the cooling medium enters the baffle ring 3 through the first interface 4 of one baffle ring 3, then enters the first end of the cooling framework from the second interface 5 of the baffle ring 3, enters the first baffle ring 3 through the second end of the cooling framework and the second interface 5 of the other baffle ring 3 after flowing through the cooling framework, and finally flows out from the first interface 4 of the other baffle ring 3 to form a cooling flow path connected in series.
In one embodiment, the two ends of the stator core 1 are respectively provided with the retaining rings 3, the cooling framework comprises a plurality of heat pipes 8, the plurality of heat pipes 8 are arranged in parallel, a first end of each heat pipe 8 is communicated with the cooling flow channel of one retaining ring 3, and a second end of each heat pipe 8 is communicated with the cooling flow channel of the other retaining ring 3. In this embodiment, the baffle ring 3 only needs to retain one first interface 4, the second interface 5 can be sealed, and the cooling medium enters the baffle ring 3 through the first interface 4 of one baffle ring 3, then is dispersed in the cooling channel of the baffle ring 3, and flows into the other baffle ring 3 through the plurality of heat pipes 8 arranged in parallel, and then flows out through the first interface 4 of the other baffle ring 3.
In one embodiment, the two ends of the stator core 1 are respectively provided with the baffle rings 3, the heat pipes 8 are connected in series through the outer pipe connecting section 9, the first end of the cooling framework is connected with the second interface 5 of one of the baffle rings 3, the second end of the cooling framework is connected with the second interface 5 of the other baffle ring 3, the first interface 4 of one of the baffle rings 3 is connected with the external heat pipe 10, and the external heat pipe 10 is arranged in the winding wire slot. In the present embodiment, the cooling medium enters the baffle ring 3 from the first interface 4 of one baffle ring 3, then flows into the cooling framework from the second interface 5, then enters the other baffle ring 3 through the second interface 5 of the other baffle ring 3, enters the external heat pipe 10 from the first interface 4 of the other baffle ring 3, and then flows out through the external heat pipe 10.
The two ends of the stator core 1 are respectively provided with a retaining ring 3, the heat pipes 8 are connected in series through the outer pipe connecting section 9, the first end of the cooling framework is connected with the second interface 5 of one retaining ring 3, the second end of the cooling framework is connected with the second interface 5 of the other retaining ring 3, the first interfaces 4 of the retaining rings 3 are respectively connected with external heat pipes 10, and the external heat pipes 10 are arranged in winding wire slots. In the present embodiment, the cooling medium enters the baffle ring 3 from one external heat pipe 10 through the first interface 4 of one baffle ring 3, then flows into the cooling framework from the second interface 5, then enters the other baffle ring 3 through the second interface 5 of the other baffle ring 3, enters the external heat pipe 10 from the first interface 4 of the other baffle ring 3, and then flows out through the other external heat pipe 10.
In one embodiment, the baffle ring 3 is a heat pipe structure, the baffle ring 3 includes a ring body and a condensation section, the ring body is located between the stator winding 2 and the stator core 1, and the condensation end is connected to the ring body and axially extends along a direction away from the stator core 1. In this embodiment, the baffle ring 3 is a closed structure, and the cooling medium flows in the baffle ring 3, absorbs heat of the end winding, evaporates and flows to the condensation section, condenses into liquid after the condensation section condenses and releases heat, and then flows back to the ring body to continue to evaporate, so that the end winding can be rapidly and efficiently cooled. The structure does not need an external pipeline, can realize heat dissipation by utilizing the circulating flow of a cooling medium and the characteristics of the heat pipe, and has simple structure and simpler overall structure.
In one embodiment, the first interface 4 and the second interface 5 are located between two adjacent winding coils of the stator winding 2, so that the first interface 4 and the second interface 5 can be prevented from interfering with the stator winding 2, unnecessary troubles can be avoided, and the reliability and stability of the cooling structure can be ensured.
In one embodiment, the cooling skeleton is formed by splicing a plurality of cooling sections. For example, when a 14-slot cooling framework is adopted, 7 two-slot frameworks or 2 seven-slot frameworks can be adopted for replacement, and the universality is stronger.
In this embodiment, when the cooling framework is disposed in the winding outer slot 7, two outer slots need to be left in the winding outer slot 7, and the remaining outer slots are all provided with the cooling framework, and the two left outer slots are used for placing the two external heat pipes 10.
In one embodiment, the cooling skeleton is integrally formed.
In one embodiment, the baffle ring 3 is made of a thermally conductive and insulating material. Keep off ring 3 and preferentially adopt the material that insulating properties is strong, heat conductivility is strong, and insulating properties is strong helps improving the resistance value between end winding and the stator core 1, effectively prevents to take place to puncture between end winding and the stator core 1, and heat transmission can high-efficient again to heat conductivity is strong, reduces the whole operating temperature of motor. An annular cooling channel is formed in the baffle ring 3, so that cooling media can be conveniently circulated. The baffle ring 3 may be made of alumina ceramic, for example, or may be made of other materials having both heat conductivity and insulation properties.
The motor stator cooling structure can be used for a compressor unit and can also be independently used for a motor; the cooling medium can be selected from refrigerant, compressed air, oil and the like which can not cause the rusting of each component of the motor system; the material of the baffle ring is selected from materials with strong insulating property and good heat conducting property.
According to an embodiment of the present application, an electric machine includes an electric machine stator cooling structure, which is the above-described electric machine stator cooling structure.
It is readily understood by a person skilled in the art that the advantageous ways described above can be freely combined, superimposed without conflict.
The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed. The foregoing is only a preferred embodiment of the present application, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present application, and these modifications and variations should also be considered as the protection scope of the present application.
Claims (16)
1. The utility model provides a motor stator cooling structure, its characterized in that, includes stator core (1) and stator winding (2), be provided with the winding wire casing on stator core (1), stator winding (2) are around establishing the winding wire inslot, stator winding (2) with be provided with between at least one terminal surface of stator core (1) and keep off ring (3), it has cooling channel to keep off ring (3) built-in.
2. The electric machine stator cooling structure according to claim 1, characterized in that the baffle ring (3) comprises a first port (4) and a second port (5), the first port (4) and the second port (5) communicating with the cooling channel, cooling medium entering the cooling channel from the first port (4) and flowing out from the second port (5).
3. The electric machine stator cooling structure according to claim 2, characterized in that the first interface (4) and the second interface (5) are located at both ends of the same diameter of the baffle ring (3); or, the baffle ring (3) is C-shaped, the first interface (4) is positioned at the first end of the C-shaped structure of the baffle ring (3), and the second interface (5) is positioned at the second end of the C-shaped structure of the baffle ring (3).
4. The electric machine stator cooling structure according to claim 2, characterized in that a partition is arranged in the cooling channel of the baffle ring (3), the two sides of the partition are separated, the first port (4) is arranged on a first side of the partition, and the second port (5) is arranged on a second side of the partition.
5. The electric machine stator cooling structure according to any one of claims 1 to 4, characterized in that a cooling skeleton is provided inside the winding wire slots, the cooling skeleton having cooling channels through which the cooling skeleton can cool the stator windings (2).
6. The electric machine stator cooling structure according to claim 5, characterized in that the winding wire slots comprise an inner winding slot (6) and an outer winding slot (7), the cooling skeleton being arranged within the inner winding slot (6) and/or the outer winding slot (7).
7. The motor stator cooling structure according to claim 5, wherein the cooling skeleton comprises heat pipes (8) and an outer pipe connecting section (9), the heat pipes (8) are located in the winding wire slots, and the outer pipe connecting section (9) is connected between two adjacent heat pipes (8).
8. The electric machine stator cooling structure according to claim 7, wherein the heat pipes (8) are connected in series by the outer pipe connecting section (9), the baffle ring (3) further comprises a third interface and a fourth interface, the first end of the cooling skeleton is connected with the third interface, and the second end of the cooling skeleton is connected with the fourth interface.
9. The cooling structure of the stator of the motor according to claim 7, wherein the baffle rings (3) are respectively disposed at two ends of the stator core (1), the heat pipes (8) are connected in series through the outer pipe connecting sections (9), a first end of the cooling framework is connected with the second port (5) of one of the baffle rings (3), and a second end of the cooling framework is connected with the second port (5) of the other baffle ring (3).
10. The motor stator cooling structure according to claim 5, wherein the baffle rings (3) are respectively arranged at two ends of the stator core (1), the cooling framework comprises heat pipes (8), the heat pipes (8) are arranged in parallel, a first end of each heat pipe (8) is communicated with a cooling flow channel of one of the baffle rings (3), and a second end of each heat pipe (8) is communicated with a cooling flow channel of the other baffle ring (3).
11. The motor stator cooling structure according to claim 7, wherein the baffle rings (3) are respectively arranged at two ends of the stator core (1), the heat pipes (8) are connected in series through the outer pipe connecting section (9), a first end of the cooling framework is connected with the second interface (5) of one of the baffle rings (3), a second end of the cooling framework is connected with the second interface (5) of the other baffle ring (3), the first interface (4) of one of the baffle rings (3) is connected with an external heat pipe (10), and the external heat pipe (10) is arranged in the winding wire slot; or, the both ends of stator core (1) are provided with respectively keep off ring (3), heat pipe (8) are passed through outer tube connecting section (9) are established ties, the first end and one of them of cooling skeleton keep off second interface (5) of ring (3) and connect, the second end and the second interface (5) of another one fender ring (3) of cooling skeleton are connected, each keep off first interface (4) of ring (3) and be connected with external heat pipe (10) respectively, external heat pipe (10) set up in the winding wire inslot.
12. The motor stator cooling structure according to claim 1, wherein the baffle ring (3) is a heat pipe structure, the baffle ring (3) includes a ring body and a condensation section, the ring body is located between the stator winding (2) and the stator core (1), and the condensation section is connected to the ring body and axially extends in a direction away from the stator core (1).
13. The electric machine stator cooling structure according to claim 2, characterized in that the first interface (4) and the second interface (5) are located between two adjacent winding coils of the stator winding (2).
14. The motor stator cooling structure according to claim 5, wherein the cooling frame is formed by splicing a plurality of cooling sections; or, the cooling framework is integrally formed.
15. The electric machine stator cooling structure according to claim 1, characterized in that the baffle ring (3) is made of a heat conducting and insulating material.
16. An electric machine comprising an electric machine stator cooling structure, characterized in that the electric machine stator cooling structure is the electric machine stator cooling structure of any one of claims 1 to 15.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714214.7U CN215817707U (en) | 2021-07-26 | 2021-07-26 | Motor stator cooling structure and motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121714214.7U CN215817707U (en) | 2021-07-26 | 2021-07-26 | Motor stator cooling structure and motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215817707U true CN215817707U (en) | 2022-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121714214.7U Active CN215817707U (en) | 2021-07-26 | 2021-07-26 | Motor stator cooling structure and motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215817707U (en) |
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2021
- 2021-07-26 CN CN202121714214.7U patent/CN215817707U/en active Active
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