CN210957932U

CN210957932U - Multi-oil-circuit iron core and motor

Info

Publication number: CN210957932U
Application number: CN201922360217.4U
Authority: CN
Inventors: 邓程亮; 陆细彪; 于孙权
Original assignee: Mc Motor Technology (shenzhen) Co ltd
Current assignee: Mc Motor Technology (shenzhen) Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-07-07
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a multi-oil-circuit iron core and a motor, wherein the multi-oil-circuit iron core comprises an iron core body; the surface of the iron core body is provided with a plurality of axial bulges arranged along the axial direction of the iron core body and a plurality of circumferential bulges arranged along the circumferential direction of the iron core body; one axial end face of the iron core body is provided with a first end face flange in an extending manner along the radial direction of the iron core body, and the other axial end face of the iron core body is provided with a second end face flange in an extending manner along the radial direction of the iron core body; a plurality of branch oil passages for flowing cooling oil are formed by the plurality of axial protrusions, the plurality of circumferential protrusions, the first end face flange and the second end face flange; the surface of the iron core body is also provided with an axial groove along the axial direction, and the axial groove forms a main oil way for cooling oil to enter; the oil way inlets of the branch oil ways are communicated with the main oil way, and the oil way outlets of the branch oil ways are positioned on the first end surface baffle edge and/or the second end surface baffle edge. The utility model discloses the cooling effect is good, has reduced manufacturing cost.

Description

Multi-oil-circuit iron core and motor

Technical Field

The utility model relates to a motor technical field, the more specifically multi-oil-circuit iron core and motor that says so.

Background

When the motor runs, a large amount of heat can be generated by a motor main body (components such as an iron core), and the service performance, the service life and the like of the motor are greatly influenced due to overhigh temperature.

In the prior art, a cooling pipe is usually adopted to dissipate heat of an iron core, and a coolant is added into the cooling pipe, so that the heat of the iron core is taken away. However, since the core needs to be embedded with the cooling pipe, the core has a complicated structure and high production cost, and the installation requirement of the cooling pipe is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a many oil circuit iron cores and motor.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a multi-oil-path iron core comprises an iron core body; the surface of the iron core body is provided with a plurality of axial protrusions arranged along the axial direction of the iron core body and a plurality of circumferential protrusions arranged along the circumferential direction of the iron core body; a first end face flange extends from one axial end face of the iron core body along the radial direction of the iron core body, and a second end face flange extends from the other axial end face of the iron core body along the radial direction of the iron core body; a plurality of branch oil passages for flowing of cooling oil are formed by the plurality of axial protrusions, the plurality of circumferential protrusions, the first end face flange and the second end face flange; the surface of the iron core body is also provided with an axial groove along the axial direction of the iron core body, and the axial groove forms a main oil way for cooling oil to enter; and oil path inlets of the branch oil paths are communicated with the main oil path, and oil path outlets of the branch oil paths are positioned on the first end surface baffle edge and/or the second end surface baffle edge.

The further technical scheme is as follows: the four branch oil paths are respectively a first branch oil path, a second branch oil path, a third branch oil path and a fourth branch oil path; the oil way inlets of the first branch oil way and the third branch oil way are positioned on one side of the main oil way, and the oil way inlets of the second branch oil way and the fourth branch oil way are positioned on the other side of the main oil way.

The further technical scheme is as follows: and oil path outlets of the first oil path and the second oil path are positioned on the first end surface baffle edge, and oil path outlets of the third oil path and the fourth oil path are positioned on the second end surface baffle edge.

The further technical scheme is as follows: the first end face rib and the second end face rib are the same in height.

The further technical scheme is as follows: the height of the axial protrusions and the height of the circumferential protrusions are smaller than or equal to the height of the first end face rib.

The further technical scheme is as follows: stator slots for winding the wire groups are arranged in the iron core body.

An electric machine comprising a housing; the multi-oil-way iron core is arranged in the shell; the shell is provided with an oil inlet, and the oil inlet is positioned above the main oil way of the multi-oil-way iron core.

Compared with the prior art, the utility model beneficial effect be: the utility model provides a pair of many oil circuits iron core, through a plurality of oil circuit that form on the surface of iron core body, the surface that the cooling oil flows through iron core body through a plurality of oil circuit to realized fully dispelling the heat to iron core body, the cooling effect is good, and need not to set up extra spare part and assist the heat dissipation, the cost is reduced.

The foregoing is a summary of the present invention, and other objects, features and advantages of the present invention will be apparent from the following detailed description of the preferred embodiments, which is provided for the purpose of illustration and understanding of the present invention.

Drawings

Fig. 1 is a perspective view of an embodiment of a multi-oil-path iron core of the present invention;

fig. 2 is a perspective view of another view angle of an embodiment of the multi-oil-path iron core of the present invention.

Reference numerals

1. An iron core body; 11. a main oil path; 12. a first branch oil path; 13. a second branch oil path; 14. a third branch oil path; 15. a fourth branch oil path; 16. a first end face flange; 161. an oil path outlet of the first oil path; 162. an oil path outlet of the second branch oil path; 17. a second end face flange; 171. an oil path outlet of the third oil path; 172. an oil path outlet of the fourth oil path; 18. and a stator slot.

Detailed Description

In order to more fully understand the technical content of the present invention, the technical solution of the present invention will be further described and illustrated with reference to the following specific embodiments, but not limited thereto.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "secured" are to be construed broadly and can, for example, be connected or detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above should not be understood to necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.

Example one

The utility model provides a multi-oil-path iron core, which is applied to a motor, please refer to fig. 1 and 2, and comprises an iron core body 1; the surface of the iron core body 1 is provided with a plurality of axial protrusions arranged along the axial direction of the iron core body 1 and a plurality of circumferential protrusions arranged along the circumferential direction of the iron core body 1; a first end face flange 16 extends from one axial end face of the iron core body 1 along the radial direction of the iron core body 1, and a second end face flange 17 extends from the other axial end face of the iron core body 1 along the radial direction of the iron core body 1; the plurality of axial protrusions, the plurality of circumferential protrusions, the first end face rib 16 and the second end face rib 17 form a plurality of branch oil paths for flowing cooling oil; the surface of the iron core body 1 is also provided with an axial groove along the axial direction, and the axial groove forms a main oil way 11 for cooling oil to enter; the oil path inlets of the branch oil paths are communicated with the main oil path 11, and the oil path outlets of the branch oil paths are positioned on the first end surface baffle 16 and/or the second end surface baffle 17. Through a plurality of oil circuit that branch that form on iron core body 1's surface, the cooling oil flows through iron core body 1's surface through a plurality of oil circuit to realized fully dispelling the heat to iron core body 1, the cooling effect is good, and need not to set up extra spare part and assist the heat dissipation, the cost is reduced.

In this embodiment, the number of the branch oil paths is four, and the branch oil paths are respectively a first branch oil path 12, a second branch oil path 13, a third branch oil path 14 and a fourth branch oil path 15; oil path inlets of the first branch oil path 12 and the third branch oil path 14 are located at one side of the main oil path 11, and oil path inlets of the second branch oil path 13 and the fourth branch oil path 15 are located at the other side of the main oil path 11. Further, the oil passage outlet 161 of the first oil passage and the oil passage outlet 162 of the second oil passage are located on the first end face rib 16, and the oil passage outlet 171 of the third oil passage and the oil passage outlet 172 of the fourth oil passage are located on the second end face rib 17.

Preferably, the first end face rib 16 and the second end face rib 17 are of the same height. The height of the axial and circumferential projections is less than or equal to the height of the first end face rib 16.

Further, a stator slot 18 for winding the winding group is provided in the core body 1.

In other embodiments, the number of the branch oil passages may be determined according to design requirements, for example, 2, 3, 5, etc.

Example two

The present embodiment provides an electric motor including a housing; a plurality of oil circuit iron cores in the first embodiment are arranged in the shell; the shell is provided with an oil inlet which is positioned above the main oil way of the multi-oil-way iron core, and cooling oil is fed into the motor through the oil inlet, so that the cooling oil can dissipate heat of the multi-oil-way iron core and other parts of the motor. Because the motor comprises the multi-oil-path iron core in the first embodiment, the motor still has the beneficial effects of the multi-oil-path iron core, and therefore, the manufacturing cost of the motor is reduced and the service life of the motor is prolonged.

The technical content of the present invention is further described by the embodiments only, so that the reader can understand it more easily, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation according to the present invention is protected by the present invention. The protection scope of the present invention is subject to the claims.

Claims

1. A multi-oil-path iron core is characterized by comprising an iron core body; the surface of the iron core body is provided with a plurality of axial protrusions arranged along the axial direction of the iron core body and a plurality of circumferential protrusions arranged along the circumferential direction of the iron core body; a first end face flange extends from one axial end face of the iron core body along the radial direction of the iron core body, and a second end face flange extends from the other axial end face of the iron core body along the radial direction of the iron core body; a plurality of branch oil passages for flowing of cooling oil are formed by the plurality of axial protrusions, the plurality of circumferential protrusions, the first end face flange and the second end face flange; the surface of the iron core body is also provided with an axial groove along the axial direction of the iron core body, and the axial groove forms a main oil way for cooling oil to enter; and oil path inlets of the branch oil paths are communicated with the main oil path, and oil path outlets of the branch oil paths are positioned on the first end surface baffle edge and/or the second end surface baffle edge.

2. The multi-oil-path iron core as claimed in claim 1, wherein the number of the branch oil paths is four, and the four branch oil paths are a first branch oil path, a second branch oil path, a third branch oil path and a fourth branch oil path; the oil way inlets of the first branch oil way and the third branch oil way are positioned on one side of the main oil way, and the oil way inlets of the second branch oil way and the fourth branch oil way are positioned on the other side of the main oil way.

3. The multi-oil-path iron core according to claim 2, wherein the oil path outlets of the first and second oil paths are located on the first end surface baffle edge, and the oil path outlets of the third and fourth oil paths are located on the second end surface baffle edge.

4. The multiple oil path core as claimed in claim 1, wherein the first end face rib and the second end face rib have the same height.

5. The multiple oil path core as claimed in claim 4, wherein the height of the axial protrusions and the circumferential protrusions is less than or equal to the height of the first end face rib.

6. The multiple oil path core as claimed in claim 1, wherein the core body has stator slots therein for winding the winding groups.

7. An electric machine comprising a housing; the machine shell is internally provided with a multi-oil-circuit iron core as claimed in any one of claims 1 to 6; the shell is provided with an oil inlet, and the oil inlet is positioned above the main oil way of the multi-oil-way iron core.