CN216356138U - Stator core support with cooling water channel - Google Patents
Stator core support with cooling water channel Download PDFInfo
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- CN216356138U CN216356138U CN202122854064.6U CN202122854064U CN216356138U CN 216356138 U CN216356138 U CN 216356138U CN 202122854064 U CN202122854064 U CN 202122854064U CN 216356138 U CN216356138 U CN 216356138U
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Abstract
The utility model discloses a stator core support with a cooling water channel, which comprises an inner water path structure arranged circumferentially, wherein the inner water path structure is connected with a rotating shaft through a web support, and a stator core is arranged on the periphery of the inner water path structure; one end of the rotating shaft is provided with a water inlet channel and a water outlet channel; the inner water path structure comprises an inner water jacket and an outer water jacket which are coaxially and annularly arranged, end rings are respectively arranged at two end parts of the inner water jacket and the outer water jacket, the end rings, the inner water jacket and the outer water jacket form a closed annular water path cavity, a water inlet and a water outlet are arranged on the inner water jacket, and a water supply channel for communicating the water inlet with the water outlet is arranged in the annular water path cavity; the water outlet end of the water inlet channel is connected with the water inlet through a water inlet pipe, and the water inlet end of the water outlet channel is connected with the water outlet through a water outlet pipe; according to the utility model, the cooling effect is realized by exchanging heat of the stator core and the stator winding through the inner water path structure arranged on the stator core bracket, and the problem of difficult cooling of the outer rotor electric roller is effectively solved.
Description
Technical Field
The utility model relates to the technical field of outer rotor motor devices, in particular to a stator core support with a cooling water channel.
Background
The stator of the inner rotor motor is arranged on the outer side of the motor, and the technology is mature no matter air cooling or water cooling. The outer rotor electric roller is just opposite to the inner rotor motor, the stator of the outer rotor electric roller is positioned inside the motor, two ends of the shaft are fixed, and the stator iron core support is positioned on the shaft. Meanwhile, the surface linear velocity of the outer rotor electric roller is low, the stator core and the winding with large loss are surrounded by the rotating part, and the heat dissipation is difficult. In contrast, both air cooling and water cooling are complex in design, and the existing heat dissipation technology is not suitable for an outer rotor motor.
The utility model discloses chinese utility model discloses the bulletin number of authorizing is CN207652148U, and the bulletin day of authorizing is 2018.07.24, discloses a stator core support, include the main support body and the auxiliary stand body that form through raw and other materials drawing, the main support body includes main holding surface and outer periphery, the auxiliary stand body includes auxiliary holding surface and outer location portion, main support body and auxiliary stand body hole interference fit between them are installed on the axle sleeve surface, main holding surface and auxiliary holding surface are along radially from inside to outside both sides slope, the outer location portion of auxiliary stand body supports and holds the location in the outer periphery end of main support body head portion internal surface department. The utility model has good integral strength, greatly improves the bearing performance of the integral structure by optimizing the structure on the basis of using the same material, can install the stator core with larger size so as to bear a motor with larger power, reduces raw materials, saves cost, improves the concentricity of coaxiality and eliminates the swinging phenomenon as far as possible. The above patent discloses a stator core support structure, but does not disclose the technical features of having cooling water channels.
SUMMERY OF THE UTILITY MODEL
The utility model aims to perfect and improve the prior technical scheme, provides a stator core support with a cooling water channel, effectively solves the problem of difficult cooling of an outer rotor motor, and cools a stator core and a winding through water inlet at the end face of a shaft and an axial water channel arranged in the stator core support.
The technical scheme adopted for achieving the purpose is as follows:
a stator core support with a cooling water channel is arranged on the outer circumference of a rotating shaft and comprises an inner waterway structure which is circumferentially arranged, the inner waterway structure is connected with the rotating shaft through a web support, and a stator core is arranged on the periphery of the inner waterway structure; one end of the rotating shaft is provided with a water inlet channel and a water outlet channel; the inner water path structure comprises an inner water jacket and an outer water jacket which are coaxially and annularly arranged, end rings are respectively arranged at two end parts of the inner water jacket and the outer water jacket, the end rings, the inner water jacket and the outer water jacket form a closed annular water path cavity, a water inlet and a water outlet are arranged on the annular water path cavity, the water inlet and the water outlet are both arranged on the inner water jacket, and a water supply channel for communicating the water inlet with the water outlet is arranged in the annular water path cavity; the water inlet end of the water inlet channel is connected with the water inlet through a water inlet pipe, and the water inlet end of the water outlet channel is connected with the water outlet through a water outlet pipe.
Further, a shaft sleeve is sleeved on the outer circumference of the rotating shaft, one end of the amplitude plate is connected with the shaft sleeve, and the other end of the amplitude plate is connected with the inner water jacket.
Furthermore, inhalant canal and exhalant canal are L shape, inhalant canal's vertical section connects the inlet tube, exhalant canal's vertical section connects the outlet pipe, inhalant canal's vertical section sets up with exhalant canal's vertical section back of the body.
Furthermore, a plurality of reinforcing ribs are arranged on the web plate.
Further, the water inlet and the water outlet are arranged oppositely along the radial direction of the inner water path structure.
Furthermore, a separation strip, an axial water retaining strip and a circumferential water retaining strip are arranged in the annular water path cavity, the separation strip is axially arranged along the annular water path cavity and is connected with the two end rings, so that the water inlet and the water outlet are separated, and the water inlet and the water outlet are communicated through a water supply channel; the circumferential water retaining strip and the axial water retaining strip are matched to form a semi-circumferential water supply channel; one end of the axial water retaining strip is connected with an end ring or a circumferential water retaining strip to form an S-shaped water supply channel in a surrounding manner, and the semi-circumferential water supply channel is communicated with the S-shaped water supply channel; and the cooling water at the water inlet flows to the water outlet through the semi-circumferential water supply channel and the S-shaped water supply channel.
The utility model has the following beneficial effects:
the utility model relates to a stator core support with a cooling water channel, which is used for an outer rotor motor, water is fed through the end surface of a rotating shaft, and heat exchange is carried out on a stator core and a stator winding through an inner water path structure arranged on the stator core support to realize a cooling effect.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a development schematic view of the internal waterway structure of the present invention.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
As shown in fig. 1-2, a stator core support with a cooling water channel is mounted on the outer circumference of a rotating shaft 1, and includes an inner waterway structure 8 arranged circumferentially, the inner waterway structure 8 is supported and connected with the rotating shaft 1 through a web 5, and a stator core 12 is mounted on the outer circumference of the inner waterway structure 8; one end of the rotating shaft 1 is provided with a water inlet channel 101 and a water outlet channel 102;
as shown in fig. 1-2, the inner water path structure 8 includes an inner water jacket 6 and an outer water jacket 4 which are coaxially and annularly arranged, end rings 3 are respectively installed at two end portions of the inner water jacket 6 and the outer water jacket 4, the end rings 3, the inner water jacket 6 and the outer water jacket 4 form a closed annular water path cavity, a water inlet 14 and a water outlet 15 are arranged on the annular water path cavity, the water inlet 14 and the water outlet 15 are both arranged on the inner water jacket 6, and a water supply channel for communicating the water inlet 14 with the water outlet 15 is arranged in the annular water path cavity; the water outlet end of the water inlet channel 101 is connected with the water inlet 14 through the water inlet pipe 2, and the water inlet end of the water outlet channel 102 is connected with the water outlet 15 through the water outlet pipe 18.
As shown in fig. 1-2, in order to realize the connection between the internal waterway structure 8 and the rotating shaft 1, in this embodiment, a shaft sleeve 7 is sleeved on the outer circumference of the rotating shaft 1, one end of the web 5 is connected with the shaft sleeve 7, and the other end of the web 5 is connected with the internal water jacket 6. In order to ensure the connection strength of the web 5, a plurality of reinforcing ribs are arranged on the web 5.
As shown in fig. 1-2, in order to facilitate connection with the internal waterway structure 8, the water inlet channel 101 and the water outlet channel 102 are both L-shaped, a vertical section of the water inlet channel 101 is connected with the water inlet pipe 2, a vertical section of the water outlet channel 102 is connected with the water outlet pipe 18, and the vertical section of the water inlet channel 101 and the vertical section of the water outlet channel 102 are arranged back to back. The horizontal segment of outlet channel 102 with the horizontal segment of inhalant canal 101 all sets up along the axial of pivot 1, the vertical section of outlet channel 102 with the vertical section of inhalant canal 101 all sets up along the radial of pivot 1. The vertical section of the water outlet channel 102 and the vertical section of the water inlet channel 101 are arranged to avoid the shaft sleeve 7.
As shown in fig. 1-2, for the convenience of communicating with the water inlet channel 101 and the water outlet channel 102, in this embodiment, the water inlet 14 and the water outlet 15 are disposed opposite to each other along the radial direction of the inner waterway structure 8.
As shown in fig. 1-2, in order to enable water entering the water inlet channel 101 of the rotating shaft 1 to cool the stator core 12 and the stator winding 13, in this embodiment, a dividing strip 10, an axial water bar 9 and a circumferential water bar 11 are arranged in the annular water path cavity, the dividing strip 10 is axially installed along the annular water path cavity and connected with two end rings 3 to divide a water inlet 14 and a water outlet 15, so that the water inlet 14 and the water outlet 15 are communicated through a water supply channel, the circumferential water bar 11 and the axial water bar 9 cooperate to form a semi-circumferential water supply channel 16, one end of the axial water bar 9 is connected with the end rings 3 or the circumferential water bar 11 to form an S-shaped water supply channel 17, and the semi-circumferential water supply channel 16 is communicated with the S-shaped water supply channel 17; the water from the water inlet 14 flows to the water outlet 15 through the semi-circumferential water supply passage 16 and the S-shaped water supply passage 17.
The working process of the utility model is as follows:
cooling water enters from a water inlet channel 101 at the end part of the rotating shaft 1, the cooling water enters a water inlet 14 through a water inlet pipe 2, the entering cooling water respectively passes through a semi-circumference water supply channel 16 and an S-shaped water supply channel 17 to exchange heat with the stator core 12 and the stator winding 13 in the circulating process, the cooling effect on the stator core 12 and the stator winding 13 is realized, the water after heat exchange enters a water outlet channel 102 through a water outlet 15 and flows out through a water outlet pipe 18, in the whole process, the heat exchange with the stator core 12 and the stator winding 13 is realized through the circulation of the cooling water, and the cooling effect on the stator core 12 and the stator winding 13 is completed.
The utility model relates to a stator core support with a cooling water channel, which is used for an outer rotor motor, water is fed through the end surface of a rotating shaft 1, heat exchange is carried out on a stator core 12 and a stator winding 13 through an inner water path structure 8 arranged on a stator core 12 support to realize a cooling effect, the structure is simple, the heat dissipation effect is good, the problem of difficulty in cooling an outer rotor electric roller can be effectively solved, and the torque/power density of the motor can be improved.
The present embodiment is not intended to limit the shape, material, structure, etc. of the present invention in any way, and any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: it is to be understood that modifications may be made to the technical solutions described in the foregoing embodiments, or equivalents may be substituted for some of the technical features thereof, but such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A stator core support with a cooling water channel is arranged on the outer circumference of a rotating shaft and is characterized by comprising an inner water path structure which is circumferentially arranged, the inner water path structure is connected with the rotating shaft through a web support, and a stator core is arranged on the periphery of the inner water path structure; one end of the rotating shaft is provided with a water inlet channel and a water outlet channel;
the inner water path structure comprises an inner water jacket and an outer water jacket which are coaxially and annularly arranged, end rings are respectively arranged at two end parts of the inner water jacket and the outer water jacket, the end rings, the inner water jacket and the outer water jacket form a closed annular water path cavity, a water inlet and a water outlet are arranged on the annular water path cavity, the water inlet and the water outlet are both arranged on the inner water jacket, and a water supply channel for communicating the water inlet with the water outlet is arranged in the annular water path cavity;
the water inlet end of the water inlet channel is connected with the water inlet through a water inlet pipe, and the water inlet end of the water outlet channel is connected with the water outlet through a water outlet pipe.
2. The stator core support with the cooling water channel as claimed in claim 1, wherein a bushing is sleeved on the outer circumference of the rotating shaft, one end of the web is connected with the bushing, and the other end of the web is connected with the inner water jacket.
3. The stator core support with the cooling water channel as claimed in claim 2, wherein the water inlet channel and the water outlet channel are both L-shaped, the vertical section of the water inlet channel is connected with the water inlet pipe, the vertical section of the water outlet channel is connected with the water outlet pipe, and the vertical section of the water inlet channel is arranged opposite to the vertical section of the water outlet channel.
4. The stator core support with the cooling water channel as claimed in claim 1, wherein a plurality of ribs are provided on the web.
5. The stator core support with the cooling water channel as claimed in claim 1, wherein the water inlet and the water outlet are arranged opposite to each other in a radial direction of the inner water path structure.
6. The stator core support with the cooling water channel as claimed in claim 1, wherein a separation strip, an axial water bar and a circumferential water bar are arranged in the annular water channel cavity, the separation strip is axially arranged along the annular water channel cavity and is connected with two end rings to separate the water inlet from the water outlet, so that the water inlet is communicated with the water outlet through a water supply channel;
the circumferential water retaining strip and the axial water retaining strip are matched to form a semi-circumferential water supply channel;
one end of the axial water retaining strip is connected with an end ring or a circumferential water retaining strip to form an S-shaped water supply channel in a surrounding manner, and the semi-circumferential water supply channel is communicated with the S-shaped water supply channel; and the cooling water at the water inlet flows to the water outlet through the semi-circumferential water supply channel and the S-shaped water supply channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854064.6U CN216356138U (en) | 2021-11-22 | 2021-11-22 | Stator core support with cooling water channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122854064.6U CN216356138U (en) | 2021-11-22 | 2021-11-22 | Stator core support with cooling water channel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216356138U true CN216356138U (en) | 2022-04-19 |
Family
ID=81151205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122854064.6U Active CN216356138U (en) | 2021-11-22 | 2021-11-22 | Stator core support with cooling water channel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216356138U (en) |
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2021
- 2021-11-22 CN CN202122854064.6U patent/CN216356138U/en active Active
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