CN219499057U

CN219499057U - Water-cooled motor

Info

Publication number: CN219499057U
Application number: CN202320932928.8U
Authority: CN
Inventors: 何林; 高毕江
Original assignee: Chongqing Lihua Gentian Technology Co ltd
Current assignee: Chongqing Lihua Gentian Technology Co ltd
Priority date: 2023-04-21
Filing date: 2023-04-21
Publication date: 2023-08-08
Anticipated expiration: 2033-04-21

Abstract

The utility model provides a water-cooled motor, which comprises a motor shell and a motor assembly, wherein the motor shell comprises a front cover and a rear cover which are mutually and hermetically sleeved, an inner cavity of the front cover and an inner cavity of the rear cover form a motor assembly cavity, the motor assembly is supported and assembled in the motor assembly cavity, the motor assembly comprises a stator assembly and a rotor assembly which are arranged in a matched mode, a spiral water-cooled pipeline is wound on the outer peripheral surface of the stator assembly, the radial section of the spiral water-cooled pipeline comprises an arc-shaped protruding part and a plane contact part, the arc-shaped protruding part and the plane contact part are connected end to form a closed line body, the plane contact part is tightly contacted and attached with the outer peripheral surface of the stator assembly, one end of the spiral water-cooled pipeline is provided with a water inlet, and the other end of the spiral water-cooled pipeline is provided with a water outlet. This application is through around establishing spiral water-cooling pipeline at stator module surface, and will establish to plane contact with stator module outer peripheral surface close contact laminating department, can make both area of contact bigger from this, and radiating efficiency is higher, has reduced manufacturing cost simultaneously.

Description

Water-cooled motor

Technical Field

The utility model relates to the technical field of motors, in particular to a water-cooled motor.

Background

With the development of the drive motor towards the light weight, the miniaturization and the high power density and the increasingly severe running environment, the higher heat dissipation requirement is provided for the motor, the temperature rise of the drive motor becomes a key influence factor of whether the motor can run for a long time under load, the temperature rise of the motor, particularly the rise of the stator assembly, causes the running temperature of the motor to be higher and higher, and if the generated heat cannot be transmitted outwards in time, the ageing of insulating materials in the motor is accelerated, so that the durability and the reliability of the motor are greatly influenced. The inventor of the application finds that the existing motor stator assembly mostly adopts a fan to radiate heat, and the mode of radiating heat by adopting the fan blade not only radiates slowly, but also has large noise and can influence the motor efficiency. At present, a plurality of water-cooled motor stator assembly structures are also arranged, the water-cooled motor stator assembly structure adopts a pouring process, the structure is complex, the manufacturing cost is high, the processing difficulty is high, and the water leakage risk exists.

Disclosure of Invention

Aiming at the technical problems that the existing motor stator assembly adopts a fan to radiate heat, the heat radiation is slow and the noise is large, or a pouring process is adopted to process a water-cooled motor stator assembly mechanism, the structure is complex, the manufacturing cost is high, the processing difficulty is large and the water leakage risk exists, the utility model provides a novel water-cooled motor.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a water-cooling motor, includes motor housing and motor assembly, motor housing includes protecgulum and hou gai, sealed the cup joint each other between protecgulum and the back lid, the inner chamber of protecgulum and back lid constitutes motor assembly intracavity, motor assembly supports the assembly in motor assembly intracavity, motor assembly is including stator module and the rotor subassembly that the cooperation set up, stator module's peripheral surface is around being equipped with spiral water-cooling pipeline, spiral water-cooling pipeline's radial cross section includes arc protruding portion and plane contact portion, end to end forms the closed line body between arc protruding portion and the plane contact portion, plane contact portion and stator module peripheral surface in close contact laminating, spiral water-cooling pipeline is whole pipeline coiling and forms, the water inlet is established to the one end of spiral water-cooling pipeline, the other end of spiral water-cooling pipeline is established to the delivery port.

Compared with the prior art, the water-cooled motor provided by the utility model has the advantages that the spiral water-cooled pipeline is wound on the surface of the stator assembly, the radial section of the spiral water-cooled pipeline comprises the arc-shaped protruding part and the plane contact part, the arc-shaped protruding part and the plane contact part are connected end to form the closed line body, and the plane contact part is tightly contacted and attached with the outer peripheral surface of the stator assembly, so that the heat generated by the stator assembly can be quickly taken away through the cooling water flowing in the spiral water-cooled pipeline, and the design of the plane contact part in the spiral water-cooled pipeline can ensure that the contact area of the spiral water-cooled pipeline attached with the outer peripheral surface of the stator assembly is larger, the heat dissipation efficiency is higher, and therefore, the motor efficiency and the service life of the motor are improved; meanwhile, the spiral water-cooling pipeline is simple in structure and is formed by winding an integral pipeline, so that the manufacturing process and the processing difficulty and the processing cost of parts are reduced, the water leakage risk is reduced, and the assembly process is simplified.

Further, the spiral water-cooling pipeline is a spiral metal pipeline.

Further, the spiral metal pipe is a spiral aluminum pipe.

Drawings

Fig. 1 is a schematic diagram of a side view structure of a stator assembly and a spiral water cooling pipeline configuration in a water cooling motor.

Fig. 2 is a schematic diagram of a cross-sectional configuration of a stator assembly and a spiral water-cooling pipe in a water-cooling motor according to the present utility model.

Fig. 3 is a schematic perspective view of a spiral water cooling pipe in the water cooling motor.

In the figure, 1, a stator assembly; 2. a spiral water-cooled pipeline; 21. an arc-shaped protruding portion; 22. a planar contact.

Detailed Description

The utility model is further described with reference to the following detailed drawings in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the implementation of the utility model easy to understand.

In the description of the present utility model, it should be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships that are based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 3, the present utility model provides a water-cooled motor, including a motor housing and a motor assembly, where the motor housing includes a front cover and a rear cover, the front cover and the rear cover are in sealing connection with each other, an inner cavity of the front cover and an inner cavity of the rear cover form a motor assembly cavity, the motor assembly is supported and assembled in the motor assembly cavity, and the motor assembly includes a stator assembly 1 and a rotor assembly that are cooperatively arranged, and specific structures and connection relationships of components included in the motor housing and the motor assembly are well known in the art by those skilled in the art, so that details are not repeated herein; specifically, the outer peripheral surface of the stator assembly 1 is wound with a spiral water-cooling pipeline 2, the radial section of the spiral water-cooling pipeline 2 comprises an arc-shaped protruding portion 21 and a plane contact portion 22, the arc-shaped protruding portion 21 and the plane contact portion 22 are connected end to form a closed line body, the plane contact portion 22 is tightly contacted and attached with the outer peripheral surface of the stator assembly 1, and can be specifically bonded and attached through the existing adhesive and the like, the spiral water-cooling pipeline 2 is formed by winding an integral pipeline, one end of the spiral water-cooling pipeline 2 is provided with a water inlet, and the other end of the spiral water-cooling pipeline 2 is provided with a water outlet, so that heat dissipation of the stator assembly 1 can be realized by connecting the water inlet with an external water source.

As a specific embodiment, the spiral water-cooling pipeline 2 is a spiral metal pipeline, so that the heat transfer efficiency between the stator assembly 1 and the spiral water-cooling pipeline 2 can be improved, and the heat dissipation speed of the stator assembly 1 can be increased.

As a specific embodiment, the spiral metal pipeline 2 is a spiral aluminum pipe, so that the manufacturing cost of the spiral metal pipeline 2 can be reduced while the high heat transfer efficiency is met, the practicability and popularization are effectively enhanced, and the water-cooled motor can be particularly used for new energy motors, water pumps, high-pressure cleaning machines and other application occasions. The spiral metal pipe 2 is of course not limited to a spiral aluminum pipe, but can be implemented by other metal pipes, such as copper pipes, by those skilled in the art on the basis of the foregoing embodiments.

As a specific embodiment, the arc-shaped protrusion 21 of the spiral water cooling pipe 2 may be implemented by a circular or oval part structure. Of course, the arc-shaped protrusion 21 may be provided in other shapes, such as square, which is also intended to be covered by the scope of the claims.

As a specific example, the cooling mode of the spiral metal pipe 2 is not limited to the motor, and can be used for other industrial products requiring water cooling.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims

1. The utility model provides a water-cooling motor, includes motor housing and motor assembly, motor housing includes protecgulum and hou gai, sealed the cup joint each other between protecgulum and the hou gai, the inner chamber of protecgulum and hou gai constitutes motor assembly intracavity, motor assembly supports the assembly in motor assembly intracavity, motor assembly is including stator module (1) and the rotor subassembly that the cooperation set up, its characterized in that, the periphery surface of stator module (1) is around being equipped with spiral water-cooling pipeline (2), the radial cross-section of spiral water-cooling pipeline (2) includes arc protruding portion (21) and plane contact portion (22), end to end forms the closed line body between arc protruding portion (21) and plane contact portion (22), plane contact portion (22) are closely laminated with the outer peripheral surface of stator module (1), spiral water-cooling pipeline (2) are whole pipeline winding and are formed, the one end of spiral water-cooling pipeline (2) is established as the water inlet, the other end of spiral water-cooling pipeline (2) is established as the delivery port.

2. The water-cooled electric machine according to claim 1, characterized in that the spiral water-cooled pipe (2) is a spiral metal pipe.

3. The water cooled machine of claim 2 wherein the helical metal pipe is a helical aluminum pipe.