CN119628321A - A permanent magnet motor with cooling structure - Google Patents
A permanent magnet motor with cooling structure Download PDFInfo
- Publication number
- CN119628321A CN119628321A CN202510162123.3A CN202510162123A CN119628321A CN 119628321 A CN119628321 A CN 119628321A CN 202510162123 A CN202510162123 A CN 202510162123A CN 119628321 A CN119628321 A CN 119628321A
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- Prior art keywords
- casing
- bevel gear
- heat dissipation
- rotor
- heat
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/02—Arrangements for cooling or ventilating by ambient air flowing through the machine
- H02K9/04—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium
- H02K9/06—Arrangements for cooling or ventilating by ambient air flowing through the machine having means for generating a flow of cooling medium with fans or impellers driven by the machine shaft
-
- 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
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Motor Or Generator Cooling System (AREA)
Abstract
本发明适用于电机设备领域，提供了一种含冷却结构的永磁电动机，包括机壳，所述机壳的底部设置有折叠盒机构；所述机壳的内部旋转设置有转子，所述机壳的内侧壁上设置有和转子相匹配的定子，所述机壳的前后端设置有和转子相匹配的密闭轴孔；所述机壳上设置有传热组件。本发明在使用的时候，转子端头的第一锥齿轮会同时驱动左右的两个转向锥齿轮旋转，从动锥齿轮跟随转向锥齿轮同步旋转，从动锥齿轮又会驱动第二锥齿轮和叶轮运转，旋转气流在内翅片的间隙里流动并将空气热量传递给内翅片和机壳，机壳外侧的外翅片通过散热风机将热量散去，本发明机壳外部的空气无法进入到机壳内部就可以达到散热目的，从而实现无尘散热的功能。
The present invention is applicable to the field of motor equipment, and provides a permanent magnet motor with a cooling structure, including a casing, a folding box mechanism is arranged at the bottom of the casing; a rotor is rotatably arranged inside the casing, a stator matching the rotor is arranged on the inner side wall of the casing, and a closed shaft hole matching the rotor is arranged at the front and rear ends of the casing; a heat transfer component is arranged on the casing. When the present invention is in use, the first bevel gear at the end of the rotor will simultaneously drive the two steering bevel gears on the left and right to rotate, and the driven bevel gear will rotate synchronously with the steering bevel gear, and the driven bevel gear will drive the second bevel gear and the impeller to operate, and the rotating airflow will flow in the gap between the inner fins and transfer the air heat to the inner fins and the casing, and the outer fins outside the casing will dissipate the heat through the heat dissipation fan. The air outside the casing of the present invention cannot enter the inside of the casing to achieve the purpose of heat dissipation, thereby realizing the function of dust-free heat dissipation.
Description
Technical Field
The invention belongs to the field of motor equipment, and particularly relates to a permanent magnet motor with a cooling structure.
Background
With the development of industrial technology, the modern motor equipment technology is developed more and more perfectly, the motor equipment gathers a lot of heat when working, if the heat is not timely dissipated, the normal operation of the motor can be influenced, the traditional motor heat dissipation mode is through air cooling heat dissipation, and the traditional air cooling heat dissipation structure works for a long time and can carry a lot of dust to be retained on parts, so that the normal operation of the equipment is influenced;
The solid rotor permanent magnet motor with the cooling structure comprises a stator, a rotor, hollow conducting bars, hollow end rings and permanent magnets, wherein the permanent magnets are arranged in the rotor, the stator and the rotor are assembled together in a matched mode, rotor grooves are formed in the surface of the rotor, the hollow conducting bars are arranged in the rotor grooves in a matched mode, two ends of the hollow conducting bars are connected together through the hollow end rings respectively and are communicated with each other, a coolant is arranged in the hollow end rings and the hollow conducting bars, and an inclination angle of 2-3 degrees is formed between two ends of the hollow conducting bars and the center of the hollow conducting bars in hollow cavities in the hollow conducting bars. The invention adopts the hollow conducting bar and hollow end ring structure with the coolant inside, and the heat of the motor rotor can be taken away through the circulation of the coolant, thereby effectively reducing the temperature rise of the rotor, reducing the average temperature of the motor and prolonging the service life of the permanent magnet;
The device still has the defect when using, and one of them, the ventilation of the device spill hot structure and utilize the inside and outside air circulation of motor to exchange heat, but outside air can be mingled with the dust and detain inside, and two of them, the device outside does not have protection machanism, and then motor equipment is knocked with easily and even damages at the in-process of transport.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, and provides a permanent magnet motor with a cooling structure, when the device is used, a first bevel gear at the end of a rotor drives two left and right steering bevel gears to rotate simultaneously in the rotating process of the rotor, a driven bevel gear synchronously rotates along with the steering bevel gears, a driven bevel gear drives a second bevel gear and impellers to operate, front and rear groups of impellers can form rotating airflow in a machine shell, the rotating airflow flows in gaps of inner fins and transfers air heat to the inner fins and the machine shell, and an outer fin at the outer side of the machine shell dissipates heat through a heat dissipation fan.
The permanent magnet motor with the cooling structure comprises a machine shell, wherein a folding box mechanism is arranged at the bottom of the machine shell, a rotor is rotatably arranged in the machine shell, stators matched with the rotor are arranged on the inner side wall of the machine shell, sealed shaft holes matched with the rotor are formed in the front end and the rear end of the machine shell, a heat transfer assembly is arranged on the machine shell and comprises a heat exchange assembly and a heat dissipation assembly, the heat exchange assembly comprises inner fins on the inner side walls of the front end and the rear end of the machine shell, an assembly groove is further formed in the inner side wall of the machine shell, impellers are installed in the assembly groove, the wind directions of the impellers are parallel to ventilation gaps of the inner fins, and the impellers are connected to a linkage mechanism.
Further, folding box mechanism includes the frame, one side of frame is provided with the fly leaf, all be provided with two sets of torsion guide arms on the inside wall of frame and fly leaf, torsion guide arm's outer end respectively with the inside wall swivelling joint of frame and fly leaf, be provided with the support frame on the lateral wall of casing, torsion guide arm's inner respectively with the lateral wall swivelling joint of support frame.
Further, the movable plate comprises a movable frame at one side of the outer frame, and the bottom of the movable frame is fixedly spliced with the outer frame through a pin rod.
Further, the link gear comprises a first bevel gear on the rotor shaft rod, a second bevel gear is arranged on the axis of the impeller, steering bevel gears are arranged on the left side and the right side of the first bevel gear, the steering bevel gears are respectively meshed with the first bevel gear, a driven bevel gear is arranged on one side of the second bevel gear, the driven bevel gear is meshed with the second bevel gear, a linkage shaft is arranged between the steering bevel gear and the driven bevel gear, and the linkage shaft is connected with the inner side wall of the shell through a rocker.
Further, the heat dissipation assembly comprises an outer fin on the outer side wall of the shell, and a heat dissipation fan is arranged on the side wall of the outer fin.
Further, the heat transfer assembly comprises two heat exchange coils inside the shell, the right ports of the two heat exchange coils are connected through a series pipe, the left ports of the two heat exchange coils are respectively connected to a cantilever beam steel pipe, the cantilever beam steel pipe penetrates through the side wall of the shell and extends to the rear of the shell, a circulating pump is arranged on a circulating pipeline of the cantilever beam steel pipe, spiral fins are further arranged on the side wall of the heat exchange coils, and a heat dissipation mechanism is arranged below the circulating pump.
Further, the heat dissipation mechanism comprises a heat dissipation wheel at the tail end of the rotor, a heat dissipation box is further arranged on a pipeline of the cantilever beam steel pipe, the heat dissipation wheel faces to the plane of the heat dissipation box, and a plurality of rectangular array ventilation holes are formed in the heat dissipation box.
Compared with the prior art, the embodiment of the application has the following main beneficial effects:
When the device is used, the first bevel gear at the end of the rotor drives the left steering bevel gear and the right steering bevel gear to rotate simultaneously in the rotating process of the rotor, the driven bevel gear synchronously rotates along with the steering bevel gears, the driven bevel gear drives the second bevel gear and the impellers to operate, the front impeller and the rear impeller form rotating air flow in the shell, the rotating air flow flows in the gaps of the inner fins and transfers air heat to the inner fins and the shell, and the outer fins outside the shell dissipate the heat through the heat dissipation fan.
Secondly, when the motor device is carried, the movable frame pin is pulled out, and then the motor device can fall into the outer frame and the movable frame, and the movable frame is pushed to the original position and then the pin is inserted back, so that the outer frame and the movable frame form a protective box of the motor, and the device is convenient to transport.
Drawings
FIG. 1 is a schematic diagram of the present invention in elevation.
Fig. 2 is a schematic side view of the present invention.
FIG. 3 is a schematic cross-sectional view of the present invention.
Fig. 4 is a schematic view of a rotor according to the present invention.
Fig. 5 is a schematic view of a stator according to the present invention.
Fig. 6 is a schematic view of a first bevel gear of the present invention.
Fig. 7 is a schematic view of an impeller of the present invention.
Fig. 8 is a schematic diagram of a second embodiment of the present invention.
Fig. 9 is a schematic view of a heat dissipation case according to the present invention.
Fig. 10 is a schematic view of a heat exchange coil of the present invention.
FIG. 11 is a schematic view of a tandem tube of the present invention.
Reference numerals illustrate:
The heat dissipation fan comprises a shell 1, an outer fin 101, a heat dissipation fan 102, a supporting frame 103, a stator 104, an inner fin 105, an assembly groove 106, an outer frame 2, a movable frame 201, a torsion guide rod 202, a rotor 3, a first bevel gear 301, an impeller 302, a steering bevel gear 303, a driven bevel gear 304, a second bevel gear 305, a cantilever beam steel pipe 4, a circulating pump 401, a heat dissipation box 5, a heat dissipation wheel 501, a heat exchange coil 6, a series pipe 601 and a spiral fin 602.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs, the terms used in the description of this application are for the purpose of describing particular embodiments only and are not intended to be limiting of the application, and the terms "comprising" and "having" and any variations thereof in the description of this application and the claims and the above description of the drawings are intended to cover non-exclusive inclusions. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
The invention provides a permanent magnet motor with a cooling structure, which is shown in figures 1-11, and comprises a machine shell 1, wherein a folding box mechanism is arranged at the bottom of the machine shell 1, a rotor 3 is rotatably arranged in the machine shell 1, a stator 104 matched with the rotor 3 is arranged on the inner side wall of the machine shell 1, sealed shaft holes matched with the rotor 3 are arranged at the front end and the rear end of the machine shell 1, and a heat transfer assembly is arranged on the machine shell 1.
In the embodiment, the shell 1 does not have internal and external air flow operation, and the heat transfer component supplies heat to the hot area of the shell 1, so that the shell 1 device can conduct heat in a state without ventilation, dust in the air flow can be prevented from accumulating in the motor, and the service life of internal parts of the motor is prolonged.
The heat transfer assembly comprises a heat exchange assembly and a heat dissipation assembly, the heat exchange assembly comprises inner fins 105 on inner side walls of the front end and the rear end of the machine shell 1, an assembly groove 106 is further formed in the inner side walls of the machine shell 1, an impeller 302 is mounted in the assembly groove 106, the wind direction of the impeller 302 is parallel to the ventilation gap of the inner fins 105, and the impeller 302 is connected to the linkage mechanism.
The two impellers 302 run simultaneously, so that the impellers 302 drive the air in the casing 1 to form annular air flow, the annular air flow flows in the gaps of the inner fins 105 to transfer air heat to the inner fins 105 and the casing 1, the effect of efficient heat transfer is achieved, inflow of external air is avoided, and further deposition of external dust on internal parts of the motor can be avoided.
In a further embodiment of the present invention, as shown in fig. 1-2, the folding box mechanism includes an outer frame 2, a movable plate is disposed on one side of the outer frame 2, two sets of torsion guide rods 202 are disposed on inner side walls of the outer frame 2 and the movable plate, outer ends of the torsion guide rods 202 are respectively rotatably connected with inner side walls of the outer frame 2 and the movable plate, a supporting frame 103 is disposed on an outer side wall of the casing 1, and inner ends of the torsion guide rods 202 are respectively rotatably connected with side walls of the supporting frame 103.
In this embodiment, after the movable plate moves away from the outer frame 2 for a certain distance, the torsion guide rod 202 will twist downwards and let the casing 1 sink, at this time, the movable plate is reset again, the casing 1 will fall inside the outer frame 2 and the movable plate, and then the outer frame 2 and the movable plate form a protective box of the motor device.
In a further embodiment of the present invention, as shown in fig. 1-2, the movable plate includes a movable frame 201 at one side of the outer frame 2, and the bottom of the movable frame 201 is fixedly inserted into the outer frame 2 through a pin.
In this embodiment, the pins of the movable frame 201 are pulled out, so that the motor device can fall into the outer frame 2 and the movable frame 201, and the movable frame 201 is pushed to the original position and then the pins are inserted back.
In a further embodiment of the present invention, as shown in fig. 3-7, the linkage mechanism includes a first bevel gear 301 on the shaft of the rotor 3, a second bevel gear 305 is disposed on the axis of the impeller 302, steering bevel gears 303 are disposed on the left and right sides of the first bevel gear 301, the steering bevel gears 303 are meshed with the first bevel gear 301 respectively, a driven bevel gear 304 is disposed on one side of the second bevel gear 305, the driven bevel gear 304 is meshed with the second bevel gear 305, a linkage shaft is disposed between the steering bevel gear 303 and the driven bevel gear 304, and the linkage shaft is connected with the inner side wall of the casing 1 through a rocker.
In this embodiment, in the process of rotation of the rotor 3, the first bevel gear 301 at the end of the rotor 3 drives the left and right steering bevel gears 303 to rotate simultaneously, the driven bevel gear 304 follows the steering bevel gears 303 to rotate synchronously, and the driven bevel gear 304 drives the second bevel gear 305 and the impeller 302 to operate, so that the linkage effect is achieved.
In a further embodiment of the present invention, as shown in fig. 3-7, the heat dissipation assembly includes an outer fin 101 on the outer side wall of the casing 1, and a heat dissipation fan 102 is disposed on the side wall of the outer fin 101.
In this embodiment, the outer fins 101 outside the casing 1 dissipate heat through the heat dissipation fan 102, so as to achieve the effect of efficient heat exchange.
In a further embodiment of the present invention, as shown in fig. 8-11, the heat transfer assembly includes two heat exchange coils 6 inside the casing 1, right ports of the two heat exchange coils 6 are connected through a serial pipe 601, left ports of the two heat exchange coils 6 are respectively connected to the cantilever beam steel pipes 4, the cantilever beam steel pipes 4 pass through a side wall of the casing 1 and extend to the rear of the casing 1, a circulation pump 401 is disposed on a circulation pipe of the cantilever beam steel pipes 4, a spiral fin 602 is further disposed on a side wall of the heat exchange coil 6, and a heat dissipation mechanism is disposed below the circulation pump 401.
In this embodiment, heat generated in the casing 1 is transferred to the cooling liquid in the casing through the spiral fins 602 and the heat exchange coil 6, and the circulation pump 401 drives the cooling liquid to be transferred to the outside of the motor along the cantilever beam steel pipe 4 for heat dissipation.
In a further embodiment of the present invention, as shown in fig. 8-11, the heat dissipation mechanism includes a heat dissipation wheel 501 at the tail end of the rotor 3, a heat dissipation box 5 is further disposed on the pipeline of the cantilever beam steel pipe 4, the heat dissipation wheel 501 faces the plane of the heat dissipation box 5, and a plurality of rectangular array ventilation holes are disposed on the heat dissipation box 5.
In this embodiment, when the cooling liquid is transported into the heat dissipation box 5, the heat dissipation wheel 501 at the tail end of the rotor 3 drives the air flow to pass through the ventilation holes to dissipate the cooling liquid.
Working principle: the machine shell 1 of the invention has no internal and external air flow operation, the heat transfer component supplies heat to the hot area of the machine shell 1, and the machine shell 1 device can conduct heat in the state without ventilation, so that dust in the air flow can be prevented from accumulating in the motor, the service life of internal parts of the motor is prolonged, after the movable plate deviates from the outer frame 2 for a certain distance, the torsion guide rod 202 can twist downwards and the machine shell 1 is sunk down, the movable plate at the moment is reset again, the machine shell 1 falls into the outer frame 2 and the movable plate, and the outer frame 2 and the movable plate form a protective box of motor equipment, compared with the prior art of motor carrying, the traditional motor is easy to scratch or collide during carrying, and the motor is further caused to have faults, the outer frame 2 of the invention is convenient for staff to carry equipment, pins of the movable frame 201 are pulled out, and the motor device can fall into the inner frame 2 and the movable frame 201, the movable frame 201 is pushed to the original position and then pins are inserted back, the two impellers 302 simultaneously operate, the impellers 302 drive the air in the shell 1 to form annular air flow, the annular air flow flows in the gaps of the inner fins 105 to transfer air heat to the inner fins 105 and the shell 1, the effect of efficient heat transfer is realized, the inflow of external air is avoided, the deposition of external dust on internal parts of a motor can be avoided, the first bevel gear 301 at the end of the rotor 3 simultaneously drives the left steering bevel gear 303 and the right steering bevel gear 303 to rotate in the rotating process of the rotor 3, the driven bevel gear 304 synchronously rotates along with the steering bevel gear 303, the driven bevel gear 304 drives the second bevel gear 305 and the impellers 302 to operate, the linkage effect is realized, the heat is dissipated by the outer fins 101 at the outer side of the shell 1 through the heat dissipation fan 102, the efficient heat exchange effect is achieved, heat generated in the casing 1 is transferred to cooling liquid in the casing through the spiral fins 602 and the heat exchange coil 6, the circulating pump 401 drives the cooling liquid to be transferred to the outside of the motor along the cantilever beam steel pipe 4 for heat dissipation, and when the cooling liquid is transferred to the inside of the heat dissipation box 5, the heat dissipation wheel 501 at the tail end of the rotor 3 drives air flow to pass through the vent holes and then dissipates the cooling liquid.
It should be noted that, for simplicity of description, the foregoing embodiments are all illustrated as a series of acts, but it should be understood by those skilled in the art that the present invention is not limited by the order of acts, as some steps may be performed in other order or concurrently in accordance with the present invention. Further, those skilled in the art will also appreciate that the embodiments described in the specification are all preferred embodiments, and that the acts and modules referred to are not necessarily required for the present invention.
In the several embodiments provided by the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, and such partitioning of the above-described elements may be implemented in other manners, e.g., multiple elements or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or communication connection shown or discussed as being between each other may be an indirect coupling or communication connection between devices or elements via some interfaces, which may be in the form of telecommunications or otherwise.
The units described above as separate components may or may not be physically separate, and components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the scope of the present invention. It will be apparent that the described embodiments are merely some, but not all, embodiments of the invention. Based on these embodiments, all other embodiments that may be obtained by one of ordinary skill in the art without inventive effort are within the scope of the invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still combine, add or delete features of the embodiments of the present invention or make other adjustments according to circumstances without any conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, which also falls within the scope of the present invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510162123.3A CN119628321B (en) | 2025-02-14 | 2025-02-14 | Permanent magnet motor with cooling structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202510162123.3A CN119628321B (en) | 2025-02-14 | 2025-02-14 | Permanent magnet motor with cooling structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119628321A true CN119628321A (en) | 2025-03-14 |
| CN119628321B CN119628321B (en) | 2025-05-16 |
Family
ID=94894879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202510162123.3A Active CN119628321B (en) | 2025-02-14 | 2025-02-14 | Permanent magnet motor with cooling structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN119628321B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170070125A1 (en) * | 2015-06-01 | 2017-03-09 | SZ DJI Technology Co., Ltd. | System, kit, and method for dissipating heat generated by a motor assembly |
| CN112564377A (en) * | 2020-12-20 | 2021-03-26 | 宜都市天弘机械工程服务有限公司 | Totally enclosed machine tool heat abstractor for motor |
| CN112865396A (en) * | 2021-03-08 | 2021-05-28 | 深圳市一吉制造有限公司 | Energy-saving motor with efficient heat dissipation |
| CN115441660A (en) * | 2022-09-22 | 2022-12-06 | 江苏盈美机械设备有限公司 | Energy-saving motor system capable of automatically adjusting output power |
| CN218449781U (en) * | 2022-10-15 | 2023-02-03 | 浙江大农实业股份有限公司 | Motor structure with good heat dissipation effect |
| CN218829480U (en) * | 2022-08-17 | 2023-04-07 | 青岛瑞益辰传动设备有限公司 | A single-phase asynchronous motor with overheat protection |
| CN117060652A (en) * | 2023-08-16 | 2023-11-14 | 东莞市吉铼升电机股份有限公司 | High-temperature-resistant miniature motor |
-
2025
- 2025-02-14 CN CN202510162123.3A patent/CN119628321B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170070125A1 (en) * | 2015-06-01 | 2017-03-09 | SZ DJI Technology Co., Ltd. | System, kit, and method for dissipating heat generated by a motor assembly |
| CN112564377A (en) * | 2020-12-20 | 2021-03-26 | 宜都市天弘机械工程服务有限公司 | Totally enclosed machine tool heat abstractor for motor |
| CN112865396A (en) * | 2021-03-08 | 2021-05-28 | 深圳市一吉制造有限公司 | Energy-saving motor with efficient heat dissipation |
| CN218829480U (en) * | 2022-08-17 | 2023-04-07 | 青岛瑞益辰传动设备有限公司 | A single-phase asynchronous motor with overheat protection |
| CN115441660A (en) * | 2022-09-22 | 2022-12-06 | 江苏盈美机械设备有限公司 | Energy-saving motor system capable of automatically adjusting output power |
| CN218449781U (en) * | 2022-10-15 | 2023-02-03 | 浙江大农实业股份有限公司 | Motor structure with good heat dissipation effect |
| CN117060652A (en) * | 2023-08-16 | 2023-11-14 | 东莞市吉铼升电机股份有限公司 | High-temperature-resistant miniature motor |
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| Publication number | Publication date |
|---|---|
| CN119628321B (en) | 2025-05-16 |
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