CN216216249U - A casing and motor for motor - Google Patents
A casing and motor for motor Download PDFInfo
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- CN216216249U CN216216249U CN202122601258.5U CN202122601258U CN216216249U CN 216216249 U CN216216249 U CN 216216249U CN 202122601258 U CN202122601258 U CN 202122601258U CN 216216249 U CN216216249 U CN 216216249U
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- shell
- passageway
- partition
- cooling water
- casing
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Abstract
The utility model discloses a machine shell for a motor and the motor, wherein the machine shell comprises a first shell, a second shell and a partition plate, the first shell and the second shell are both in a cylinder shape, the second shell is sleeved outside the first shell, and a gap is formed between the first shell and the second shell; the baffle sets up in the clearance to cut apart the clearance and form a plurality of first passageways and a plurality of second passageway, first passageway and second passageway are the annular channel along the circumference extension of first casing, and first passageway and second passageway along the axial interval arrangement in proper order of first casing, the first end of second passageway and rather than the first end intercommunication of one in the two adjacent first passageways, the second end of second passageway and rather than the second end intercommunication of another in the two adjacent first passageways, form the cooling water passageway in order to connect, and the both ends of cooling water passageway are equipped with water inlet and delivery port respectively. The cooling water in the cooling water channel is easy to be discharged and is not easy to deposit dirt and impurities.
Description
Technical Field
The application relates to the technical field of motors, in particular to a shell for a motor and a motor.
Background
The cooling mode of the motor is generally air cooling or liquid cooling. The air-cooled motor is of a structure with a shaft fan or an independent fan, has poor cooling effect, is easy to produce and manufacture and low in cost, and is generally used in a large number of conventional motors. Liquid-cooled motors are water-cooled, oil-cooled and the like, but in view of heat dissipation efficiency and cost, motors using water as a cooling medium are most widely used. The water-cooled motor has the characteristics of small volume and high power density, and is increasingly applied to places with large dust and limited installation space, such as coal mines, new energy vehicles, air conditioners and the like. However, the existing water-cooled motor has high production cost, and when the water-cooled motor is installed in a vertical mode (V1 or V2), dirt and impurities are easily deposited in a water channel, so that the area of the water channel is reduced, the heat dissipation effect is affected, cooling water in the water channel is not easily and completely discharged, and the cooling water is easily frozen at low temperature, so that the expansion crack of a machine shell is caused.
SUMMERY OF THE UTILITY MODEL
In view of the above problems in the prior art, the present application provides a housing for a motor and a motor, and the embodiments of the present application adopt the following technical solutions:
an embodiment of the present invention provides a casing for a motor, including:
the first shell and the second shell are both cylindrical, the second shell is sleeved outside the first shell, and a gap is formed between the first shell and the second shell;
the baffle, it sets up in the clearance, and will form a plurality of first passageways and a plurality of second passageways are cut apart to the clearance, first passageway with the second passageway is the edge the annular channel of the circumference extension of first casing, just first passageway with the second passageway is followed the axial of first casing is interval arrangement in proper order, the first end of second passageway and rather than adjacent two the first end intercommunication of one in the first passageway, the second end of second passageway and rather than adjacent two the second end intercommunication of another in the first passageway to connect and form the cooling water passageway, just the both ends of cooling water passageway are equipped with water inlet and delivery port respectively.
In some embodiments, the baffles comprise a first baffle, a plurality of second baffles, and a plurality of third baffles;
the first partition plate is arranged along the axial direction of the first shell;
the second partition plate and the third partition plate extend along the circumferential direction of the first shell, and the second partition plate and the third partition plate are sequentially arranged at intervals along the axial direction of the first shell so as to divide the gap into a plurality of first channels and a plurality of second channels;
a gap is formed between the first end of the second partition plate and the first partition plate, and the second end of the second partition plate is connected with the first partition plate, so that the first end of the second channel is connected with the first end of one of the two adjacent first channels;
the first end of the third partition board is connected with the first partition board, and a gap is formed between the second end of the third partition board and the first partition board, so that the second end of the second channel is communicated with the second end of the other of the two adjacent first channels.
In some embodiments, the first partition plate, the second partition plate and the third partition plate are all fixedly connected to the outer peripheral surface of the first shell, and the outer edges of the first partition plate, the second partition plate and the third partition plate are all abutted to the inner wall of the second shell.
In some embodiments, flanges are respectively disposed at two ends of the first housing, the partition plate is disposed on an outer circumferential surface of the first housing, an outer diameter of the flange is larger than an outer diameter of the partition plate, the second housing is disposed between the two flanges, and an outer circumferential surface of the second housing is flush with outer circumferential surfaces of the flanges.
In some embodiments, the first channel and the second channel are each helical, and the first channel and the second channel each have a central angle ≦ 360 °.
In some embodiments, the water inlet and the water outlet of the cooling water channel are opened on the second housing.
In some embodiments, one end of the cooling water channel is further provided with a water discharge port.
According to another aspect of the embodiments of the present invention, there is provided an electric machine, including a stator assembly, a rotor assembly, a cooling water system, and the above-mentioned housing, where the stator assembly is fixedly connected to an inner cavity of a first housing of the housing, the rotor assembly is rotatably connected to the inner cavity of the first housing, and the cooling water system is connected to the cooling water channel through the water inlet and the water outlet, and is configured to deliver cooling water to the cooling water channel to cool the stator assembly and the rotor assembly.
When the motor with the enclosure is vertically mounted (in a V1 posture or a V2 posture), the axes of the first shell and the second shell are vertically arranged, the first channel and the second channel are transversely arranged and are sequentially arranged vertically, the water inlet and the water outlet are respectively positioned at two ends of the cooling water channel, namely at the bottom and the top of the first shell, and the cooling water flows upwards layer by layer or downwards layer by layer while flowing around the circumferential direction of the first shell along the first channel and the second channel, can be fully contacted with the first shell and the second shell, has a good cooling effect, can be completely drained through the bottom end of the cooling water channel during drainage, and is not easy to deposit dirt and impurities.
Drawings
FIG. 1 is a cross-sectional view of a housing of an embodiment of the present invention;
fig. 2 and 3 are side views of the first housing from different perspectives, respectively;
fig. 4 and 5 are perspective views of the first housing from different viewing angles, respectively.
Description of reference numerals:
10-a first housing;
20-a second housing;
30-a separator; 31-a first separator; 32-a second separator; 33-a third separator;
40-cooling water channel; 41-a first channel; 42-a second channel; 43-notch;
50-flange.
Detailed Description
Various aspects and features of the present application are described herein with reference to the drawings.
It will be understood that various modifications may be made to the embodiments of the present application. Accordingly, the foregoing description should not be construed as limiting, but merely as exemplifications of embodiments. Those skilled in the art will envision other modifications within the scope and spirit of the application.
The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate embodiments of the application and, together with a general description of the application given above and the detailed description of the embodiments given below, serve to explain the principles of the application.
These and other characteristics of the present application will become apparent from the following description of alternative forms of embodiment, given as non-limiting examples, with reference to the attached drawings.
It is also to be understood that although the present application has been described with reference to some specific examples, those skilled in the art are able to ascertain many other equivalents to the practice of the present application.
The above and other aspects, features and advantages of the present application will become more apparent in view of the following detailed description when taken in conjunction with the accompanying drawings.
Specific embodiments of the present application are described hereinafter with reference to the accompanying drawings; however, it is to be understood that the disclosed embodiments are merely exemplary of the application, which can be embodied in various forms. Well-known and/or repeated functions and constructions are not described in detail to avoid obscuring the application of unnecessary or unnecessary detail. Therefore, specific structural and functional details disclosed herein are not to be interpreted as limiting, but merely as a basis for the claims and as a representative basis for teaching one skilled in the art to variously employ the present application in virtually any appropriately detailed structure.
The specification may use the phrases "in one embodiment," "in another embodiment," "in yet another embodiment," or "in other embodiments," which may each refer to one or more of the same or different embodiments in accordance with the application.
Referring to fig. 1 to 5, an embodiment of the present invention provides a casing for a motor, including a first casing 10, a second casing 20, and a partition plate 30, where the first casing 10 and the second casing 20 are both cylindrical, the second casing 20 is sleeved outside the first casing 10, and a gap is formed between the first casing 10 and the second casing 20; the partition plate 30 is disposed in the gap, and divides the gap into a plurality of first channels 41 and a plurality of second channels 42, the first channels 41 and the second channels 42 are both annular channels extending along the circumferential direction of the first housing 10, and the first channels 41 and the second channels 42 are sequentially arranged at intervals along the axial direction of the first housing 10, a first end of the second channel 42 is communicated with a first end of one of the two adjacent first channels 41, a second end of the second channel 42 is communicated with a second end of the other of the two adjacent first channels 41, so as to connect the plurality of first channels 41 and the plurality of second channels 42 to form the cooling water channel 40, and both ends of the cooling water channel 40 are respectively provided with a water inlet and a water outlet (not shown in the figure).
When the motor using the above-mentioned casing is installed vertically (V1 posture or V2 posture), the axes of the first casing 10 and the second casing 20 are arranged vertically, the first channel 41 and the second channel 42 are arranged horizontally, and the first channel 41 and the second channel 42 are arranged vertically in sequence, the water inlet and the water outlet are respectively located at two ends of the cooling water channel, that is, at the bottom and the top of the first casing 10, the cooling water flows around the circumference of the first casing 10 along the first channel 41 and the second channel 42, flows upwards layer by layer, or flows downwards layer by layer, and can fully contact with the first casing 10 and the second casing 20, so that the cooling water has a good cooling effect, and can be drained completely through the bottom end of the cooling water channel 40 during drainage, and dirt and impurities are not easy to deposit.
As shown in fig. 2 to 4, in some embodiments, the partition 30 includes a first partition 31, a plurality of second partitions 32, and a plurality of third partitions 33; the first partition plate 31 is disposed along the axial direction of the first housing 10; the second partition plate 32 and the third partition plate 33 both extend along the circumferential direction of the first casing 10, and the second partition plate 32 and the third partition plate 33 are sequentially arranged at intervals along the axial direction of the first casing 10 to divide the gap into a plurality of first passages 41 and a plurality of second passages 42; a gap 43 is formed between a first end of the second partition plate 32 and the first partition plate 31, and a second end of the second partition plate 32 is connected with the first partition plate 31, so that a first end of the second channel 42 is connected with a first end of one of two adjacent first channels 41; a first end of the third partition 33 is connected to the first partition 31 and a second end of the third partition 33 is provided with a gap 43 with the first partition 31 so that a second end of the second passage 42 communicates with a second end of the other of the two first passages 41 adjacent thereto. In this way, the linear first partition plate 31, the second partition plate 32 and the third partition plate 33 which are approximately annular can be used for separating and forming the cooling water channel 40, and the first partition plate 31, the second partition plate 32 and the third partition plate 33 are all easy to process and easy to assemble and process with the first shell 10 and/or the second shell 20, and can be realized by adopting processing technologies such as welding, and the like, which is beneficial to reducing the production cost of the casing and further beneficial to reducing the overall production cost of the motor.
In some embodiments, the first partition plate 31, the second partition plate 32 and the third partition plate 33 are all fixedly connected to the outer circumferential surface of the first casing 10, and the outer edges of the first partition plate 31, the second partition plate 32 and the third partition plate 33 are all abutted against the inner wall of the second casing 20. Alternatively, the first partition plate 31, the second partition plate 32, and the third partition plate 33 may be welded to the outer circumferential surface of the first housing 10 by, for example, a welding process, and then the second housing 20 is sleeved on the outer side of the first housing 10 to fix the first housing 10 and the second housing 20 together, thereby completing the assembling process.
As shown in fig. 1, in some embodiments, flanges 50 are respectively disposed at two ends of the first casing 10, the partition plate 30 is disposed on an outer circumferential surface of the first casing 10, an outer diameter of the flange 50 is greater than an outer diameter of the partition plate 30, the second casing 20 is disposed between the two flanges 50, and an outer circumferential surface of the second casing 20 is flush with an outer circumferential surface of the flange 50. The flange 50 is convenient for the connection of the casing and other parts such as the end cover, and the casing can form an integral appearance surface, so that the appearance of the motor is simple and beautiful.
In some embodiments, the first channel 41 and the second channel 42 are each helical, and the first channel 41 and the second channel 42 each have a central angle ≦ 360. When the water is drained, the water is favorably drained completely, and dirt and impurities are not easy to deposit.
In some embodiments, the water inlet and outlet of the cooling water channel 40 are opened on the second housing 20. For example, the water inlet may be provided near the bottom end of the second housing 20 and the water outlet may be provided near the top end of the second housing 20, which facilitates water supply and drainage. Of course, the water inlet and outlet may be provided on the first housing 10.
In some embodiments, a drain port is further provided at one end of the cooling water passage 40. The water outlet can be connected with a water discharge pipeline of the motor so as to conveniently discharge cooling water completely when the motor is not used.
The embodiment of the present invention further provides a motor, which includes a stator assembly, a rotor assembly, a cooling water system and the casing as described in any of the above embodiments, wherein the stator assembly is fixedly connected in the inner cavity of the first housing 10, the rotor assembly is rotatably connected in the inner cavity of the first housing 10, and the cooling water system is connected to the cooling water channel 40 through the water inlet and the water outlet, and is configured to deliver cooling water to the cooling water channel 40 to cool the stator assembly and the rotor assembly.
Because above-mentioned casing can be with cooling water clean removal, be difficult to deposit filth and impurity, so, the motor of using this casing is favorable to keeping the cooling effect, is favorable to improving the security of motor moreover.
The above embodiments are only exemplary embodiments of the present application, and are not intended to limit the present application, and the protection scope of the present application is defined by the claims. Various modifications and equivalents may be made by those skilled in the art within the spirit and scope of the present application and such modifications and equivalents should also be considered to be within the scope of the present application.
Claims (8)
1. A machine housing for an electric machine, comprising:
the first shell and the second shell are both cylindrical, the second shell is sleeved outside the first shell, and a gap is formed between the first shell and the second shell;
the baffle, it sets up in the clearance, and will form a plurality of first passageways and a plurality of second passageways are cut apart to the clearance, first passageway with the second passageway is the edge the annular channel of the circumference extension of first casing, just first passageway with the second passageway is followed the axial of first casing is interval arrangement in proper order, the first end of second passageway and rather than adjacent two the first end intercommunication of one in the first passageway, the second end of second passageway and rather than adjacent two the second end intercommunication of another in the first passageway to connect and form the cooling water passageway, just the both ends of cooling water passageway are equipped with water inlet and delivery port respectively.
2. The enclosure of claim 1, wherein the partitions include a first partition, a plurality of second partitions, and a plurality of third partitions;
the first partition plate is arranged along the axial direction of the first shell;
the second partition plate and the third partition plate extend along the circumferential direction of the first shell, and the second partition plate and the third partition plate are sequentially arranged at intervals along the axial direction of the first shell so as to divide the gap into a plurality of first channels and a plurality of second channels;
a gap is formed between the first end of the second partition plate and the first partition plate, and the second end of the second partition plate is connected with the first partition plate, so that the first end of the second channel is connected with the first end of one of the two adjacent first channels;
the first end of the third partition board is connected with the first partition board, and a gap is formed between the second end of the third partition board and the first partition board, so that the second end of the second channel is communicated with the second end of the other of the two adjacent first channels.
3. The machine shell for the motor according to claim 2, wherein the first partition, the second partition and the third partition are all fixedly connected to an outer circumferential surface of the first shell, and outer edges of the first partition, the second partition and the third partition are all abutted to an inner wall of the second shell.
4. The casing of claim 1, wherein flanges are respectively disposed at both ends of the first casing, the partition is disposed on an outer circumferential surface of the first casing, an outer diameter of the flange is larger than an outer diameter of the partition, the second casing is disposed between the two flanges, and an outer circumferential surface of the second casing is flush with outer circumferential surfaces of the flanges.
5. The machine housing according to claim 1, wherein the first channel and the second channel are each helical, and wherein the first channel and the second channel each have a central angle of less than or equal to 360 °.
6. The machine housing for an electric machine according to claim 1, wherein the inlet and outlet of the cooling water channel open onto the second housing.
7. The cabinet for an electric motor according to claim 1, wherein one end of the cooling water passage is further provided with a drain port.
8. An electrical machine comprising a stator assembly fixedly attached within an interior cavity of a first housing of the machine housing, a rotor assembly rotatably attached within the interior cavity of the first housing, a cooling water system connected to the cooling water passageway through the water inlet and the water outlet for delivering cooling water to the cooling water passageway to cool the stator assembly and the rotor assembly, and the machine housing of any of claims 1-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601258.5U CN216216249U (en) | 2021-10-27 | 2021-10-27 | A casing and motor for motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122601258.5U CN216216249U (en) | 2021-10-27 | 2021-10-27 | A casing and motor for motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216216249U true CN216216249U (en) | 2022-04-05 |
Family
ID=80891461
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122601258.5U Active CN216216249U (en) | 2021-10-27 | 2021-10-27 | A casing and motor for motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216216249U (en) |
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2021
- 2021-10-27 CN CN202122601258.5U patent/CN216216249U/en active Active
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