CN214125025U - Internal circulation heat dissipation constant temperature motor casing and motor with same - Google Patents
Internal circulation heat dissipation constant temperature motor casing and motor with same Download PDFInfo
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- CN214125025U CN214125025U CN202022278454.9U CN202022278454U CN214125025U CN 214125025 U CN214125025 U CN 214125025U CN 202022278454 U CN202022278454 U CN 202022278454U CN 214125025 U CN214125025 U CN 214125025U
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Abstract
The utility model belongs to the technical field of the motor, especially, relate to an inner loop heat dissipation constant temperature motor casing and have motor of this casing. The utility model discloses to current cooling method among the prior art because the temperature of cooling water is inequality everywhere, can lead to the inhomogeneous problem of motor everywhere temperature distribution, provide an inner loop heat dissipation constant temperature motor casing and have the motor of this casing, including setting up the heat transfer system on motor case body, installation cavity has in the motor case body, heat transfer system includes heat transfer pipeline and heat dissipation pipeline, heat transfer pipeline is more close to the installation cavity than the heat dissipation pipeline. The utility model discloses a cooling mode is cooling medium's in the heat transfer pipeline everywhere temperature approximately equals, so can guarantee that motor temperature distributes evenly for the expend with heat and contract with cold of each part of motor is unanimous basically, guarantees the output and the precision of motor.
Description
Technical Field
The utility model belongs to the technical field of the motor, especially, relate to an inner loop heat dissipation constant temperature motor casing and have motor of this casing.
Background
An electric machine, commonly known as a "motor", refers to an electromagnetic device that converts or transmits electric energy according to the law of electromagnetic induction. The repeated cutting of the magnetic induction lines by the motor rotor during rotation generates a large amount of heat, which makes it difficult to release the limit power of the motor. Therefore, a liquid cooling structure is arranged in the motor, cooling liquid enters from one end of the liquid cooling structure, is subjected to heat exchange with the motor and is heated, and then is discharged from the other end of the liquid cooling structure, so that the purpose of taking away heat of the motor is achieved. However, in this cooling method, the temperature distribution at each position of the motor is not uniform due to different liquid temperatures of the cooling liquid at each position.
For example, the chinese utility model patent discloses a liquid cooling structure for servo motor [ application number: 201621420102.X ], the servo motor of the utility model has a casing with multiple fluid channels arranged in circumferentially spaced manner in a direction parallel to the output shaft; wherein the two liquid channels are respectively connected with a first liquid inlet joint and a first liquid outlet joint; the liquid flow channel connected with the first liquid inlet joint is communicated with an adjacent liquid flow channel through the independent transition grooves on the flange covers at the end sides of the machine shell, and is alternately communicated with the liquid flow channels in sequence through the independent transition grooves on the flange covers at the two ends of the machine shell until the liquid flow channels are connected with the first liquid outlet joint; the independent transition groove is a groove body which is arranged on the flange cover and is only communicated with the end parts of two adjacent liquid flow channels.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a make even inner loop heat dissipation constant temperature motor casing of motor temperature distribution is provided.
Another object of the utility model is to provide a to above-mentioned problem, provide a make the even inner loop heat dissipation constant temperature motor of motor temperature distribution.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides an inner loop heat dissipation constant temperature motor casing, is including setting up the heat transfer system on motor shell body, the installation cavity has in the motor shell body, heat transfer system includes heat transfer pipeline and heat dissipation pipeline, heat transfer pipeline is closer to the installation cavity than the heat dissipation pipeline.
In the internal circulation heat dissipation constant temperature motor shell, the axial leads of the heat exchange pipeline and the heat dissipation pipeline are parallel to each other, the heat exchange pipeline is circumferentially and uniformly distributed by taking the axial lead of the installation cavity as a center, and the heat dissipation pipeline is circumferentially and uniformly distributed by taking the axial lead of the installation cavity as a center.
In the internal circulation heat dissipation constant temperature motor shell, a front end cover and a rear end cover are respectively arranged at two ends of the motor shell, a communication pipeline system is respectively arranged in the front end cover and the rear end cover, and the heat exchange pipeline and the heat dissipation pipeline are communicated through the communication pipeline system.
In the internal circulation heat dissipation constant temperature motor shell, the heat exchange pipeline and the heat dissipation pipeline are arranged at intervals and sequentially communicated through a communication pipeline system to form a passage, and a liquid inlet pipe connector is arranged on the front end cover or the rear end cover or the motor shell and is communicated with the communication pipeline system.
In foretell inner loop heat dissipation constant temperature motor casing, intercommunication pipe-line system is the first intercommunication recess of U style of calligraphy including setting up a plurality of in front end housing and rear end cap, and the both ends of first intercommunication recess are linked together with heat transfer pipeline and heat dissipation pipeline respectively, and two adjacent first intercommunication recesses that are located on same end cap loop through first intercommunication recess and heat dissipation pipeline on heat transfer pipeline, the other end cap and are linked together, intercommunication pipe-line system is still including setting up the feed liquor recess in the front end housing, feed liquor recess one end is linked together with feed liquor pipe interface, and the other end is linked together with heat transfer pipeline or heat dissipation pipeline.
In foretell inner loop heat dissipation constant temperature motor casing, intercommunication pipe-line system is including setting up a plurality of second intercommunication recess in front end housing and rear end cap, second intercommunication recess is including the T type groove that is located both ends and the intercommunication groove of two T type tank bottoms of intercommunication, the both ends that intercommunication groove one side was kept away from in T type groove all are linked together with heat transfer pipeline or heat dissipation pipeline.
In the internal circulation heat dissipation constant temperature motor shell, the outer surface of the motor shell is provided with the heat dissipation fins in a protruding mode.
The utility model provides a motor, is equipped with arbitrary above-mentioned inner loop heat dissipation constant temperature motor casing, motor casing body internal surface fixedly connected with stator still includes the relative stator pivoted rotor of can taking place, the stator is located the installation cavity, the rotor is located the stator.
In the motor, a front end cover and a rear end cover are respectively arranged at two ends of the motor shell, an inner driving pump is arranged on the front end cover or the rear end cover and is meshed with one end of the rotor rotating shaft, a liquid inlet and a liquid outlet are arranged on the inner driving pump, and the liquid inlet and the liquid outlet are respectively and correspondingly communicated with the heat exchange pipeline and the heat dissipation pipeline;
or the liquid inlet and the liquid outlet are respectively and correspondingly communicated with the heat dissipation pipeline and the heat exchange pipeline.
In foretell motor, still including connecting the dustcoat on the motor housing body, having the heat dissipation cavity in the dustcoat, have the ventilative grid that link up the dustcoat and be linked together with the heat dissipation cavity on the dustcoat, radiator fan is located the heat dissipation cavity and radiator fan meshes with the one end of rotor shaft mutually, and motor housing body surface protrusion has radiating fin, has the gas flow clearance between two adjacent radiating fin, the one end in gas flow clearance is linked together with the heat dissipation cavity.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses the cooling medium realizes making the motor cooling with the motor heat transfer through the heat transfer pipeline in the position is leaned on, the cooling medium heaies up the back and leans on outer heat dissipation pipeline heat dissipation cooling through the position, the cooling medium after the cooling gets into the heat transfer pipeline again, thereby form an inner loop, the temperature of the cooling medium in the heat transfer pipeline is roughly equal everywhere to such cooling mode, so can guarantee that motor temperature distributes evenly, make the expend with heat and contract with cold basic unanimous of each part of motor, guarantee the output and the precision of motor.
2. The utility model discloses drive coolant endless driving pump is for setting up the interior driving pump in the motor, and such mode of setting makes motor overall structure compacter.
3. The utility model discloses an equal coaxial setting of rotor and radiator fan, interior driving pump utilizes the rotor pivot to drive radiator fan and interior driving pump, and the rotor must drive radiator fan and interior driving pump work when rotating like this, need not additionally to set up power device for radiator fan and interior driving pump, has simplified the holistic structure of motor, has improved energy utilization.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a cross-sectional view of the present invention;
fig. 3 is an exploded view of the present invention;
FIG. 4 is a sectional view of the front end cap in embodiment 1;
FIG. 5 is a sectional view of the rear end cap of embodiment 1;
FIG. 6 is a schematic view of a communication piping system in the front end cover in embodiment 1;
FIG. 7 is a schematic view of a communication piping system in the rear end cap in embodiment 1;
FIG. 8 is a schematic view of a communication piping system in the front end cover in embodiment 2;
FIG. 9 is a schematic view of a communication piping system in the rear end cap in embodiment 2;
in the figure: the motor comprises a motor outer shell 1, a stator 2, a rotor 3, a heat exchange system 4, an installation cavity 5, a front end cover 6, a rear end cover 7, a communication pipeline system 8, a liquid inlet pipe connector 9, a radiating fin 10, an internal driving pump 11, a liquid inlet 12, a liquid outlet 13, an outer cover 14, a ventilating grid 15, a radiating fan 16, a radiating cavity 17, an air flowing gap 18, a heat exchange pipeline 41, a radiating pipeline 42, a first communication groove 81, a liquid inlet groove 82, a second communication groove 83, a T-shaped groove 84 and a communication groove 85.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
The embodiment provides an inner circulation heat dissipation constant temperature motor casing, as shown in fig. 1-3, including heat exchange system 4 arranged on motor casing body 1, installation cavity 5 is provided in motor casing body 1, heat exchange system 4 includes heat exchange pipeline 41 and heat dissipation pipeline 42, heat exchange pipeline 41 is closer to installation cavity 5 than heat dissipation pipeline 42. I.e. the heat exchange line 41 is located relatively inward and the heat dissipation line 42 is located relatively outward.
The utility model discloses, during the use, the cooling medium leans on the heat transfer pipeline 41 in to realize making the motor cooling with the motor heat transfer through the position, the cooling medium heaies up the back and leans on outer heat dissipation pipeline 42 heat dissipation cooling through the position, the cooling medium after the cooling gets into heat transfer pipeline 41 again, thereby form an inner loop, the temperature of the cooling medium in heat transfer pipeline 41 is roughly equal everywhere in such cooling mode, so can guarantee that motor temperature distributes evenly, make the expend with heat and contract with cold basic unanimity of each part of motor, guarantee the output and the precision of motor.
Preferably, the axes of the heat exchange pipeline 41 and the heat dissipation pipeline 42 are parallel to each other, the heat exchange pipeline 41 is circumferentially and uniformly distributed by taking the axis of the installation cavity 5 as a center, and the heat dissipation pipeline 42 is circumferentially and uniformly distributed by taking the axis of the installation cavity 5 as a center. Therefore, the uniformity of distribution can be ensured, and the uniformity of temperature distribution of the motor can be further ensured.
Referring to fig. 4-7, a front end cover 6 and a rear end cover 7 are respectively disposed at two ends of the motor housing body 1, a communication pipeline system 8 is disposed in each of the front end cover 6 and the rear end cover 7, and the heat exchange pipeline 41 and the heat dissipation pipeline 42 are communicated with each other through the communication pipeline system 8. The heat exchange pipeline 41 and the heat dissipation pipeline 42 are arranged at intervals and sequentially communicated through the communication pipeline system 8 to form a passage, a liquid inlet pipe connector 9 is arranged on the front end cover 6 or the rear end cover 7 or the motor shell body 1, and the liquid inlet pipe connector 9 is communicated with the communication pipeline system 8. Preferably, the liquid inlet pipe interface 9 extends out of the motor, so that the cooling liquid is conveniently supplemented. Furthermore, a liquid discharge pipe interface communicated with the heat dissipation pipeline 42 is arranged outside the motor and arranged at the lower part of the motor, so that cooling liquid can be conveniently discharged especially when the motor is not used in cold seasons, and the motor is protected from being influenced by freezing and expansion of the cooling liquid to prolong the service life of the motor.
The heat exchange pipelines 41 and the heat dissipation pipelines 42 are respectively provided with a plurality of pipelines, and the heat exchange pipelines 41 and the heat dissipation pipelines 42 are mutually communicated through the communication pipeline systems 8 arranged in the front end cover 6 and the rear end cover 7 to form a complete circulation loop. The cooling medium, for example, may be cooling liquid, which fills the communication pipe system 8, the heat exchange pipe 41, and the heat dissipation pipe 42 through the liquid inlet pipe joint 9, and when in use, closes the liquid inlet pipe joint 9, and the cooling liquid repeatedly completes the heat exchange and heat dissipation cycle cooling process in the cycle loop formed by the communication pipe system 8, the heat exchange pipe 41, and the heat dissipation pipe 42.
Specific speaking, intercommunication pipe-line system 8 is the first intercommunication recess 81 of U style of calligraphy including setting up a plurality of in front end housing 6 and rear end housing 7, and the both ends of first intercommunication recess 81 are linked together with heat transfer pipeline 41 and heat dissipation pipeline 42 respectively, and two adjacent first intercommunication recesses 81 that are located on same end cover loop through heat transfer pipeline 41, the first intercommunication recess 81 and heat dissipation pipeline 42 on the other end cover and are linked together, intercommunication pipe-line system 8 is still including setting up the feed liquor recess 82 in front end housing 6, feed liquor recess 82 one end is linked together with feed liquor pipe interface 9, and the other end is linked together with heat transfer pipeline 41 or heat dissipation pipeline 42. The circulation circuit thus formed is a single circulation path.
As shown in fig. 3, a heat dissipating fin 10 protrudes from the outer surface of the motor outer casing 1. This can increase the heat radiation rate of the cooling medium in the heat radiation pipe 42, and ensure the cooling effect.
Example 2
The embodiment provides an internal circulation heat dissipation constant temperature motor casing, the specific structure of which is substantially the same as that in embodiment 1, the difference is only the specific structure of the communication pipeline system 8, as shown in fig. 8 and 9, the communication pipeline system 8 includes a plurality of second communication grooves 83 provided in the front end cover 6 and the rear end cover 7, the second communication grooves 83 include T-shaped grooves 84 located at both ends and communication grooves 85 communicating the bottom ends of the two T-shaped grooves 84, and both ends of one side of the T-shaped grooves 84, which is far away from the communication grooves 85, are communicated with the heat exchange pipeline 41 or the heat dissipation pipeline 42. The circulation circuit thus formed includes two circulation paths. Of course, the communication pipe system 8 has other specific structures as long as all the heat exchange pipes 41 and the heat dissipation pipes 42 can be communicated to form a complete circulation loop.
Example 3
The embodiment provides an inner loop heat dissipation constant temperature motor, and it is equipped with the inner loop heat dissipation constant temperature motor casing that records in embodiment 1, 1 internal surface fixedly connected with stator 2 of motor casing still includes the relative stator 2 pivoted rotor 3 that can take place, stator 2 is located installation cavity 5, rotor 3 is located stator 2. When the motor is used, the rotor 3 repeatedly cuts the magnetic induction lines to generate a large amount of heat in the rotating process, so that the heat exchange pipeline 41 is closer to a heat source, and heat exchange is easy to occur to cool the motor. The heat dissipation pipeline 42 is farther away from the heat source, so that heat dissipation and temperature reduction are easy.
Referring to fig. 2 and fig. 3, a front end cover 6 and a rear end cover 7 are respectively disposed at two ends of the motor outer casing 1, an inner driving pump 11 is disposed on the front end cover 6 or the rear end cover 7, the inner driving pump 11 is engaged with one end of a rotating shaft of the rotor 3, a liquid inlet 12 and a liquid outlet 13 are disposed on the inner driving pump 11, and the liquid inlet 12 and the liquid outlet 13 are respectively and correspondingly communicated with a heat exchange pipeline 41 and a heat dissipation pipeline 42; or the liquid inlet 12 and the liquid outlet 13 are respectively communicated with the heat dissipation pipeline 42 and the heat exchange pipeline 41. The principle of the internal driving pump 11 is similar to a vane pump, so that when the rotor 3 drives the internal driving pump 11, the internal driving pump 11 sucks the cooling medium from the liquid inlet 12 and then extrudes the cooling medium from the liquid outlet 13, thereby providing circulating power for the whole cooling circulation system. The utility model discloses drive coolant endless driving pump is for setting up the interior driving pump 11 in the motor, and such mode of setting makes motor overall structure compacter.
As shown in fig. 1-3, the motor further includes an outer cover 14 connected to the motor outer casing 1, a heat dissipation cavity 17 is provided in the outer cover 14, a ventilation grid 15 penetrating the outer cover 14 and communicating with the heat dissipation cavity 17 is provided on the outer cover 14, a heat dissipation fan 16 is located in the heat dissipation cavity 17, the heat dissipation fan 16 is engaged with one end of the rotating shaft of the rotor 3, heat dissipation fins 10 protrude from the outer surface of the motor outer casing 1, an air flow gap 18 is provided between two adjacent heat dissipation fins 10, and one end of the air flow gap 18 is communicated with the heat dissipation cavity 17. When the heat dissipation device is used, the heat dissipation fan 16 rotates to drive air to flow, and the air flows into the heat dissipation cavity 17 from the air permeable grid 15 and is exhausted through the air flow gap 18, so that the air flow rate in the air flow gap 18, namely the air flow rate on the surface of the heat dissipation fin 10, can be increased, and the heat dissipation effect is improved.
The utility model discloses a rotor 3 and radiator fan 16, the equal coaxial setting of interior driving pump 11 utilize rotor pivot 3 to drive radiator fan 16 and interior driving pump 11, and rotor 3 must drive radiator fan 16 and interior driving pump 11 work when rotating like this, need not additionally to set up power device for radiator fan 16 and interior driving pump 11, has simplified the holistic structure of motor, has improved energy utilization.
The utility model discloses a theory of operation is: when the heat exchanger is used, the cooling medium is filled in the communicating pipeline system 8, the heat exchange pipeline 41 and the heat dissipation pipeline 42 through the liquid inlet pipe connector 9, and the liquid inlet pipe connector 9 is closed. The motor is started, the rotor 3 rotates, so that the inner driving pump 11 and the heat dissipation fan 16 are driven to work together, under the driving of the inner driving pump 11, a cooling medium circulates in the through pipeline system 8, the heat exchange pipeline 41 and the heat dissipation pipeline 42, namely, the heat exchange with the motor is realized through the heat exchange pipeline 41 which is positioned close to the inner part to cool the motor, after the temperature of the cooling medium is increased, the heat dissipation pipeline 42 which is positioned close to the outer part dissipates heat and cools the cooling medium, the heat dissipation fins 10 and the heat dissipation fan 16 accelerate the heat dissipation and cooling rate, the cooled cooling medium enters the heat exchange pipeline 41 again, so that an inner circulation is formed, the temperature of the cooling medium in each heat exchange pipeline 41 is approximately equal in the cooling mode, the temperature distribution of the motor can be ensured to be uniform, the heat expansion and cold contraction of each part of the motor are basically consistent, and the output power and the precision of the motor are ensured.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the motor outer housing 1, the stator 2, the rotor 3, the heat exchange system 4, the mounting cavity 5, the front end cover 6, the rear end cover 7, the communication pipe system 8, the liquid inlet pipe interface 9, the heat dissipation fins 10, the inner driving pump 11, the liquid inlet 12, the liquid outlet 13, the outer housing 14, the air permeable grid 15, the heat dissipation fan 16, the heat dissipation cavity 17, the gas flow gap 18, the heat exchange pipe 41, the heat dissipation pipe 42, the first communication groove 81, the liquid inlet groove 82, the second communication groove 83, the T-shaped groove 84, the communication groove 85, etc. are used more frequently, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (8)
1. The utility model provides an inner loop heat dissipation constant temperature motor casing, is including setting up heat transfer system (4) on motor housing body (1), have installation cavity (5), its characterized in that in motor housing body (1): the heat exchange system (4) comprises a heat exchange pipeline (41) and a heat dissipation pipeline (42), and the heat exchange pipeline (41) is closer to the installation cavity (5) than the heat dissipation pipeline (42);
the axial leads of the heat exchange pipeline (41) and the heat dissipation pipeline (42) are parallel to each other, the heat exchange pipeline (41) is circumferentially and uniformly distributed by taking the axial lead of the installation cavity (5) as a center, and the heat dissipation pipeline (42) is circumferentially and uniformly distributed by taking the axial lead of the installation cavity (5) as a center;
and heat radiating fins (10) are protruded on the outer surface of the motor outer shell (1).
2. The internal circulation heat dissipating thermostatic motor housing of claim 1, wherein: the motor shell body (1) both ends are equipped with front end housing (6) and rear end cap (7) respectively, all be equipped with intercommunication pipe-line system (8) in front end housing (6) and rear end cap (7), be linked together through intercommunication pipe-line system (8) between heat transfer pipeline (41) and heat dissipation pipeline (42).
3. An internal circulation heat dissipating thermostatic motor housing as set forth in claim 2 wherein: heat exchange pipeline (41) and heat dissipation pipeline (42) interval set up and communicate in proper order through intercommunication pipe-line system (8) and form a route, be equipped with feed liquor pipe interface (9) on front end housing (6) or rear end housing (7) or motor shell body (1), feed liquor pipe interface (9) are linked together with intercommunication pipe-line system (8).
4. An internal circulation heat dissipating thermostatic motor housing according to claim 3, wherein: intercommunication pipe-line system (8) are first intercommunication recess (81) of U style of calligraphy including setting up a plurality of in front end housing (6) and rear end cap (7), and the both ends of first intercommunication recess (81) are linked together with heat transfer pipeline (41) and heat dissipation pipeline (42) respectively, and two adjacent first intercommunication recesses (81) that are located on same end cover loop through heat transfer pipeline (41), first intercommunication recess (81) and heat dissipation pipeline (42) on the other end cap are linked together, intercommunication pipe-line system (8) are still including setting up feed liquor recess (82) in front end housing (6), feed liquor recess (82) one end is linked together with feed liquor pipe interface (9), and the other end is linked together with heat transfer pipeline (41) or heat dissipation pipeline (42).
5. An internal circulation heat dissipating thermostatic motor housing according to claim 3, wherein: the communication pipeline system (8) comprises a plurality of second communication grooves (83) arranged in a front end cover (6) and a rear end cover (7), the second communication grooves (83) comprise T-shaped grooves (84) located at two ends and communication grooves (85) communicated with the bottom ends of the two T-shaped grooves (84), and two ends, far away from one side of the communication grooves (85), of the T-shaped grooves (84) are communicated with a heat exchange pipeline (41) or a heat dissipation pipeline (42).
6. An electric machine characterized by: the constant-temperature motor shell with the internal circulation heat dissipation function as claimed in any one of claims 1 to 5 is provided, the stator (2) is fixedly connected to the inner surface of the motor shell body (1), the constant-temperature motor shell further comprises a rotor (3) capable of rotating relative to the stator (2), the stator (2) is located in the installation cavity (5), and the rotor (3) is located in the stator (2).
7. The electric machine of claim 6, wherein: a front end cover (6) and a rear end cover (7) are respectively arranged at two ends of the motor outer shell (1), an inner driving pump (11) is arranged on the front end cover (6) or the rear end cover (7), the inner driving pump (11) is meshed with one end of a rotating shaft of the rotor (3), a liquid inlet (12) and a liquid outlet (13) are arranged on the inner driving pump (11), and the liquid inlet (12) and the liquid outlet (13) are respectively and correspondingly communicated with the heat exchange pipeline (41) and the heat dissipation pipeline (42);
or the liquid inlet (12) and the liquid outlet (13) are respectively and correspondingly communicated with the heat dissipation pipeline (42) and the heat exchange pipeline (41).
8. The electric machine of claim 7, wherein: still including connecting dustcoat (14) on motor housing body (1), heat dissipation cavity (17) have in dustcoat (14), ventilative grid (15) that link up dustcoat (14) and be linked together with heat dissipation cavity (17) have on dustcoat (14), radiator fan (16) are located heat dissipation cavity (17) and radiator fan (16) mesh mutually with the one end of rotor (3) pivot, and motor housing body (1) surface protrusion has radiating fin (10), has gas flow clearance (18) between two adjacent radiating fin (10), the one end and the heat dissipation cavity (17) of gas flow clearance (18) are linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022278454.9U CN214125025U (en) | 2020-10-14 | 2020-10-14 | Internal circulation heat dissipation constant temperature motor casing and motor with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022278454.9U CN214125025U (en) | 2020-10-14 | 2020-10-14 | Internal circulation heat dissipation constant temperature motor casing and motor with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214125025U true CN214125025U (en) | 2021-09-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022278454.9U Active CN214125025U (en) | 2020-10-14 | 2020-10-14 | Internal circulation heat dissipation constant temperature motor casing and motor with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214125025U (en) |
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2020
- 2020-10-14 CN CN202022278454.9U patent/CN214125025U/en active Active
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Effective date of registration: 20220704 Address after: 314500 Room 302, third floor, building 1, No. 1383, zhouquan Town, Tongxiang City, Jiaxing City, Zhejiang Province Patentee after: Jiaxing Yicheng Electromechanical Technology Co.,Ltd. Address before: 311100 No. 49, guanxialing, Hushan village, Huanghu Town, Yuhang District, Hangzhou City, Zhejiang Province Patentee before: Hangzhou Jonathon Electromechanical Technology Co.,Ltd. |
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