CN213717752U

CN213717752U - Driving motor fish scale water channel structure and driving motor

Info

Publication number: CN213717752U
Application number: CN202022640181.8U
Authority: CN
Inventors: 杨悦思; 陈文龙; 王鹏; 徐晓飞; 王武广
Original assignee: Xiamen Shituo Yuneng Technology Co Ltd
Current assignee: Xiamen Shituo Yuneng Technology Co Ltd
Priority date: 2020-11-16
Filing date: 2020-11-16
Publication date: 2021-07-16
Anticipated expiration: 2030-11-16

Abstract

The utility model relates to the technical field of motor water cooling, in particular to a driving motor scale water channel structure and a driving motor, wherein, the driving motor scale water channel structure comprises a hollow cavity water channel arranged between an inner shell and an outer shell, a plurality of bulges are regularly arranged in the hollow cavity water channel, and the bulges are arranged on the inner shell in a scale shape; the outer shell is provided with a water inlet and a water outlet, the water outlet can be distributed at any position of the outer shell, the water inlet and the water outlet are communicated through a hollow cavity water channel, and the hollow cavity water channel is used for liquid flowing of the water-cooled motor. The water channel of the hollow cavity is internally provided with a plurality of bulges which are arranged on the inner shell in a fish scale shape, and each section of bulge forms pressure difference, so that the liquid flow of the water-cooled motor is promoted; because the bulges in the hollow cavity water channel are regularly arranged, the water outlets can be distributed on any position on the outer shell, the production cost is reduced, the good heat dissipation effect of the motor is ensured, and the requirement of flexible manufacturing of the motor is met.

Description

Driving motor fish scale water channel structure and driving motor

Technical Field

The utility model relates to a motor water-cooling technical field, in particular to driving motor fish scale water course structure and driving motor.

Background

With the development of new energy automobiles, the energy-saving and environment-friendly wave of electric automobiles is out of gear. The driving motor, one of the core "three-electric systems" of the electric vehicle, is being developed toward high power density, higher efficiency, higher reliability, and lower cost. The higher and higher power density of the drive motor of an electric vehicle is accompanied by a higher heat generation and a more uneven temperature field distribution. The performance of the motor is reduced due to the overhigh temperature, and the motor is burnt in serious cases; the uneven temperature field can concentrate the local thermal stress of the motor, which affects the stability of the structure and can cause the structure to fail in serious cases.

In the prior art, the water-cooled casing of the driving motor realizes heat exchange through direct contact heat transfer with the outer wall surface of the stator, and takes away heat through cooling liquid flowing through a water channel. The existing water cooling machine shell generally adopts two water channels, namely a zigzag water channel and a spiral water channel, such as a machine shell with a cooling water channel disclosed in chinese patent with application number 201720775570.7.

However, in the prior art, the flow resistance of the zigzag water channel is high, the pressure difference between the water inlet and the water outlet is large, so that the large temperature difference between the water inlet and the water outlet is caused, the manufacturing process is complex, and although the water resistance of the two spiral water channels is low, the screw pitch and the angle of the spiral are changed along with the change of the position of the water inlet and the water outlet, so that the cost of the die is increased, and the application range is reduced.

SUMMERY OF THE UTILITY MODEL

For solving the complicated shape water course preparation technology of several among the above-mentioned prior art, the change of spiral water course inlet outlet position leads to the not enough of template cost improvement, the utility model provides a pair of driving motor fish scale water course structure, the delivery port can distribute on the optional position of outer casing, ensures when reduction in production cost that the motor realizes good radiating effect, has satisfied the requirement that the motor is flexible to be made.

The utility model provides a fish scale water channel structure of a driving motor, which comprises a hollow cavity water channel arranged between an inner shell and an outer shell, wherein a plurality of bulges are regularly arranged in the hollow cavity water channel, and the bulges are arranged on the inner shell in a fish scale shape;

the water cooling motor is characterized in that a water inlet and a water outlet are formed in the outer shell, the water outlet can be distributed at any position of the outer shell, the water inlet and the water outlet are communicated through the hollow cavity water channel, and the hollow cavity water channel is used for liquid flowing of the water cooling motor.

Furthermore, the outer casing is sleeved on the inner casing, the inner casing and the outer casing are cylindrical, and the cross section of the hollow cavity water channel is circular.

Furthermore, the bulge is fixedly arranged on the outer wall of the inner shell.

Furthermore, the bulges are circumferentially provided with a plurality of rows on the outer wall of the inner shell.

Furthermore, each row of the bulges are distributed on the outer wall of the inner shell in a circumferentially staggered manner, and each row of the bulges are distributed on the outer wall of the inner shell in an axially equal difference manner.

Further, each protrusion is distributed on the outer wall of the inner shell in an inclined mode in the circumferential direction and the axial direction.

Furthermore, the number of the protrusions in two circumferentially spaced rows is the same, and the number of the protrusions in two circumferentially adjacent rows is different.

Further, the protrusions of two circumferentially adjacent columns are arranged, wherein the number of the protrusions of one column is different from the number of the protrusions of the other column by one protrusion.

Further, the protrusion is an elliptical protrusion.

The utility model also provides a driving motor, including motor body and motor housing, the cover is equipped with motor housing on the motor body, motor housing is including cooling water course, cooling water course adopts as above arbitrary one a driving motor fish scale water course structure.

Compared with the prior art, the utility model provides a drive motor fish scale water channel structure, cavity water channel locate between inner casing and the outer casing, through set up in cavity water channel and be a plurality of archs that the fish scale locates on the inner casing, every section of arch forms the pressure differential, has promoted the liquid flow of water-cooled machine; because the bulges in the hollow cavity water channel are regularly arranged, the water outlets can be distributed at any position on the outer shell, and the water outlets are randomly distributed to realize the normal flow of the liquid of the water-cooled motor in the central control cavity water channel, thereby reducing the production cost, ensuring the good heat dissipation effect of the motor and meeting the requirement of flexible manufacturing of the motor.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of a fish scale waterway structure provided by the present invention;

fig. 2 is a schematic structural view of the water inlet and the water outlet provided by the present invention;

fig. 3 is a side view of the fish scale waterway structure provided by the present invention;

fig. 4 is a schematic structural diagram of the protrusion provided by the present invention.

Reference numerals:

10 inner case 11 outer case 20 protrusion

30 water inlet 31 water outlet

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Fig. 1 is a schematic structural view of a fish scale waterway structure provided by the present invention, as shown in fig. 1, the present invention provides a fish scale waterway structure of a driving motor, which includes a hollow cavity waterway disposed between an inner casing 10 and an outer casing 11, wherein a plurality of protrusions 20 are regularly disposed in the hollow cavity waterway, and the protrusions 20 are disposed on the inner casing 10 in a fish scale shape;

the water cooling motor is characterized in that a water inlet 30 and a water outlet 31 are arranged on the outer shell 11, the water outlet 31 can be distributed at any position of the outer shell 11, the water inlet 30 and the water outlet 31 are communicated through the hollow cavity water channel, and the hollow cavity water channel is used for liquid flowing of the water cooling motor.

In specific implementation, as shown in fig. 1 to 3, the hollow cavity water channel is disposed between the inner casing 10 and the outer casing 11, a plurality of protrusions 20 are regularly disposed in the hollow cavity water channel, the protrusions 20 are disposed on the inner casing 10 in a fish scale shape, the outer casing 11 is sleeved on the inner casing 10, preferably, in this embodiment, the outer casing 11 and the inner casing 10 are cylindrical, and the interface of the hollow cavity water channel is circular; two ends of the inner casing 10 protrude out of the middle of the inner casing 10, two ends of the inner casing 10 clamp the outer casing 11, and the outer casing 11 is sleeved in the middle of the inner casing 10.

The outer machine shell 11 is provided with a water inlet 30 and a water outlet 31, the water outlet 31 can be distributed at any position of the outer machine shell 11, the water inlet 30 and the water outlet 31 are communicated through a hollow cavity water channel, liquid of the water-cooled motor can flow in the hollow cavity water channel, the liquid of the water-cooled motor enters from the water inlet 30 and flows through the hollow cavity water channel and is reserved from the water outlet 31, the water outlet 31 is randomly distributed, and the liquid of the water-cooled motor can normally flow in the central control cavity water channel, preferably, the water inlet 30 and the water outlet 31 are located on different horizontal lines in the embodiment, the positions of the water inlet 30 and the water outlet 31 can be interchanged at will, the water outlet 31 can be symmetrically or asymmetrically arranged relative to the water inlet 30, and the liquid.

The plurality of bulges 20 which are arranged on the inner shell 10 in a fish scale shape are regularly arranged in the hollow cavity water channel, and pressure difference is formed by each section of bulge 20, so that the liquid flow of the water-cooled motor is promoted; because the bulges 20 in the hollow cavity water channel are regularly arranged, the water outlets 31 can be distributed at any position of the outer casing 11, and the water outlets are randomly distributed to realize the normal flow of the liquid of the water-cooled motor in the central control cavity water channel, thereby reducing the production cost, ensuring the good heat dissipation effect of the motor and meeting the requirement of flexible manufacturing of the motor.

Specifically, as shown in fig. 1 to 4, a plurality of protrusions 20 are regularly arranged in the hollow cavity water channel, the protrusions 20 are fixed on the outer wall of the middle portion of the inner casing 10 in a fish scale shape, and preferably, in this embodiment, the protrusions 20 may be fixed on the outer wall of the inner casing 10 by welding or fastening; the shape of the protrusion 20 is an elliptical protrusion.

As shown in fig. 1 to 3, a plurality of rows of protrusions 20 are circumferentially arranged on the outer wall of the inner casing 10, each row of protrusions 20 is circumferentially distributed on the outer wall of the inner casing 10 in a staggered manner, each row of protrusions 20 is axially distributed on the outer wall of the inner casing 10 in an equal difference manner, and each protrusion 20 is circumferentially and axially distributed on the outer wall of the inner casing 10 in an inclined manner, so that a pressure difference is formed by each circumferential section of protrusions 20, and the circumferential flow of liquid of the water-cooled motor is promoted; the axial protrusions 20 form pressure difference to promote the linear flow of liquid of the water-cooled motor.

As shown in fig. 1 to 3, two circumferentially spaced rows of protrusions 20 have the same number, two circumferentially adjacent rows have different numbers of protrusions 20, and two circumferentially adjacent rows of protrusions 20 have a difference of one protrusion from the other; preferably, in the present embodiment, two circumferentially adjacent rows of protrusions 20 are provided, wherein the number of protrusions in one row is eight, and the number of protrusions in the other row is seven.

The utility model also provides a driving motor, including motor body and motor housing, the cover is equipped with motor housing on the motor body, and motor housing includes the cooling water course, and the cooling water course adopts as above arbitrary a driving motor fish scale water course structure.

The utility model provides a pair of driving motor fish scale water course structure, when actual cooling motor, the liquid of cooling motor gets into from water inlet 30 and flows in the cavity water course, and the rule sets up and is a plurality of archs 20 on casing 10 in the ichthyoid is located in the cavity water course, and every arch 20 is at the equal inclined distribution of circumference and axial, and circumference and every section of axial arch 20 form the pressure differential, promote the circumference of water-cooled motor's liquid to flow and the straight line flows, and water-cooled motor's liquid is discharged from delivery port 31 at last.

Although terms such as inner housing, outer housing, protrusion, water inlet and water outlet are used more often herein, 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.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a driving motor fish scale water course structure which characterized in that: the water-saving device comprises a hollow cavity water channel arranged between an inner shell (10) and an outer shell (11), wherein a plurality of bulges (20) are regularly arranged in the hollow cavity water channel, and the bulges (20) are arranged on the inner shell (10) in a fish scale shape;

be equipped with water inlet (30) and delivery port (31) on outer casing (11), delivery port (31) distributable locate on outer casing (11) optional position, water inlet (30) with delivery port (31) are passed through the cavity water course is linked together, the cavity water course is used for water cooled machine's liquid to flow.

2. The fish scale waterway structure of the driving motor of claim 1, wherein: the outer casing (11) is sleeved on the inner casing (10), the inner casing (10) and the outer casing (11) are cylindrical, and the cross section of the hollow cavity water channel is circular.

3. The fish scale waterway structure of the driving motor of claim 2, wherein: the bulge (20) is fixedly arranged on the outer wall of the inner casing (10).

4. The fish scale waterway structure of the driving motor of claim 3, wherein: the bulges (20) are circumferentially arranged on the outer wall of the inner shell (10) in a plurality of rows.

5. The fish scale waterway structure of the driving motor as claimed in claim 4, wherein: the bulges (20) in each row are distributed on the outer wall of the inner shell (10) in a circumferentially staggered manner, and the bulges (20) in each row are distributed on the outer wall of the inner shell (10) in an axially equal difference manner.

6. The fish scale waterway structure of the driving motor of claim 5, wherein: each bulge (20) is distributed on the outer wall of the inner shell (10) in an inclined way in the circumferential direction and the axial direction.

7. The fish scale waterway structure of the driving motor of claim 5, wherein: the number of the bulges (20) in two rows which are circumferentially spaced is the same, and the number of the bulges (20) in two circumferentially adjacent rows is different.

8. The fish scale waterway structure of the driving motor of claim 7, wherein: two circumferentially adjacent rows of said protrusions (20), wherein the number of said protrusions (20) of one row differs from the number of said protrusions (20) of the other row by one said protrusion (20).

9. The fish scale waterway structure of the driving motor of claim 1, wherein: the protrusions (20) are elliptical protrusions.

10. A drive motor characterized by: the fish scale water channel structure comprises a motor body and a motor shell, wherein the motor shell is sleeved on the motor body and comprises a cooling water channel, and the cooling water channel adopts the fish scale water channel structure of the driving motor as claimed in any one of claims 1 to 9.