CN212627457U - Motor casing with circumferential series cooling channel, motor and screw compressor thereof - Google Patents
Motor casing with circumferential series cooling channel, motor and screw compressor thereof Download PDFInfo
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- CN212627457U CN212627457U CN202021558868.0U CN202021558868U CN212627457U CN 212627457 U CN212627457 U CN 212627457U CN 202021558868 U CN202021558868 U CN 202021558868U CN 212627457 U CN212627457 U CN 212627457U
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Abstract
The utility model discloses a motor casing and motor, screw compressor with circumference series connection type cooling channel, including installing motor installation casing and motor cooling casing as an organic whole, motor installation casing body forms the internally mounted cavity that is used for installing stator and rotor, and motor cooling casing is located motor mounting plate casing periphery, corresponds the cooperation with motor mounting plate casing and forms the cooling channel, and the cooling channel both ends communicate respectively that the inlet that is used for pouring into the coolant liquid and the liquid outlet that is used for discharging the recovery coolant liquid, and wherein, the cooling channel includes at least 2 axial coolant liquid ways along motor mounting plate casing body peripheral direction interval distribution; all the axial cooling liquid channels are communicated in series through the intermediate transition cooling liquid channel; the utility model discloses improve the cooling degree of consistency when cooling rate, can discharge the heat that the stator winding that is arranged in the internally mounted cavity produces fast in the motor installation casing fast, ensure the quick cooling effect to the motor.
Description
Technical Field
The utility model belongs to the technical field of the motor, concretely relates to motor casing with circumference series connection type cooling channel, the utility model discloses still relate to the motor that this motor casing used and the helical-lobe compressor that this motor used.
Background
With the deep application development of automation and intellectualization in various fields, high-power motors are more and more widely applied, for example, in the fields of compressors and the like. However, because the power of the motor is high, the loss of the motor winding and the iron core inevitably exists in the use process, so that the motor is easy to generate a large amount of heat, the heating of the motor can cause the aging of the winding insulation layer, the power reduction and the efficiency reduction, the motor can be burnt in serious cases, and the service life of the motor is shortened. Therefore, the applicant provides an invention patent of the prior application CN111130256A, and specifically provides a motor shell of a screw compressor, wherein the motor shell comprises a motor shell, the motor shell forms an internal installation cavity for installing a stator and a rotor, a cooling jacket is fixedly and hermetically sleeved on the periphery of the motor shell, a cooling groove is arranged on the inner surface of the cooling jacket, a spiral cooling channel is formed between the cooling groove and the outer surface of the motor shell, and two ends of the cooling channel are respectively communicated with a liquid inlet used for injecting cooling liquid and connected with a cooling liquid supply area and a liquid outlet used for discharging and recovering the cooling liquid and connected with a cooling liquid recovery area, so that the heat dissipation capacity and the protection grade of the motor of the screw compressor are effectively improved.
With the further application discovery of the applicant, when the application field has higher cooling requirements such as rapid cooling or rapid heat removal, the design of the spiral cooling channel structure proposed by CN111130256A is limited by the flow rate of the injected cooling liquid on the premise that the surface area of the motor casing is fixed, so that it is difficult to achieve a more excellent cooling effect.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a motor casing and motor, helical-lobe compressor with circumference tandem type cooling channel has improved the cooling degree of consistency when improving the cooling rate, can discharge the heat that the stator winding that is arranged in the internally mounted cavity in the motor installation casing produces fast, ensures the quick cooling effect to the motor.
The utility model adopts the technical scheme as follows:
a motor casing with circumferential series cooling channels comprises a motor installation casing and a motor cooling casing which are installed into a whole, wherein the motor installation casing forms an internal installation cavity for installing a stator and a rotor, the motor cooling casing is positioned at the periphery of the motor installation casing and correspondingly matched with the motor installation casing to form a cooling channel, two ends of the cooling channel are respectively communicated with a liquid inlet for injecting cooling liquid and a liquid outlet for discharging and recovering the cooling liquid, wherein,
the cooling channel comprises at least 2 axial cooling liquid channels which are distributed at intervals along the peripheral direction of the shell of the motor installation machine;
and all the axial cooling liquid channels are communicated in series through the intermediate transition cooling liquid channel and are used for quickly discharging heat generated by the stator winding.
Preferably, the axial cooling liquid channel extends to the other end of the motor mounting machine housing along one end of the periphery of the motor mounting machine housing, and the intermediate transition cooling liquid channels are distributed along the circumferential direction of the motor mounting machine housing.
Preferably, the axial cooling liquid channel located at one side of the periphery of the motor installing machine shell is communicated with the liquid inlet, and the axial cooling liquid channel located at the other side of the motor installing machine shell is communicated with the liquid outlet.
Preferably, the cooling channel includes a first circumferential cooling channel and a second circumferential cooling channel distributed along the circumferential direction of the motor mounting machine housing, wherein the axial cooling channel is communicated with the liquid inlet through the first circumferential cooling channel, and the axial cooling channel is communicated with the liquid outlet through the second circumferential cooling channel.
Preferably, the axis of the motor mounting machine shell where the liquid inlet is located coincides with the axis of the motor mounting machine shell where the liquid outlet is located.
Preferably, the axial cooling liquid channel and/or the intermediate transition cooling liquid channel is/are outwardly convex along the outer circumference of the motor mounting machine housing.
Preferably, a liquid guide groove is formed between adjacent axial cooling liquid channels, and the width of the liquid guide groove is not more than half of the width of the axial cooling liquid channel.
Preferably, the motor mounting shell and the motor cooling shell are respectively made of metal plates through extrusion or punch forming; the motor mounting shell and the motor cooling shell are fixedly mounted into a whole by welding; the liquid inlet is connected with the cooling liquid supply area, the liquid outlet is connected with the cooling liquid recovery area, and the cooling liquid adopts cooling oil or cooling water.
Preferably, the motor comprises a motor casing with an internal installation cavity, a stator and a rotor are installed in the internal installation cavity, the rotor is in magnetic coupling connection with the stator and is fixedly connected with a rotating shaft, and the motor casing is the motor casing.
Preferably, the screw compressor comprises a screw compressor main body and a motor for driving the screw compressor main body, wherein the motor is the motor.
The utility model discloses a set up and link up and be interval distribution's a plurality of axial coolant liquid way through middle transition coolant liquid way series connection and constitute the cooling channel structure of motor casing, axial coolant liquid way forms the shape of buckling rather than adjacent middle transition coolant liquid way, form circumference series connection coolant liquid way structure in motor installation casing periphery, in practical application, when pouring into the coolant liquid through the inlet to the axial coolant liquid way that is located one side, it can carry out the quick even cooling route of large tracts of land in motor installation casing outer circumference to be located motor installation casing circumference to a plurality of axial coolant liquid ways in circumference, the cooling degree of consistency has been improved when improving the cooling rate, can be fast with the heat that the stator winding that is located the internally mounted cavity produces in the motor installation casing discharge fast, ensure the quick cooling effect to the motor.
Drawings
FIG. 1 is a schematic view of a motor casing having an annular series cooling gallery according to an embodiment of the present disclosure;
FIG. 2 is a schematic view of the structure of FIG. 1 after being rotated by a certain angle;
FIG. 3 is a schematic view of the structure of FIG. 1 after rotating it by another angle;
fig. 4 is an exploded view of fig. 1.
Detailed Description
The embodiment of the utility model discloses a motor casing with circumference series connection type cooling channel, including installing motor installation casing and motor cooling casing as an organic whole, motor installation casing body forms the internally mounted cavity that is used for installing stator and rotor, and motor cooling casing is located motor installation casing periphery, corresponds the cooperation with motor installation casing and forms the cooling channel, and the cooling channel both ends communicate respectively and are used for pouring into the inlet of coolant liquid and the liquid outlet that is used for discharging the recovery coolant liquid, and wherein, the cooling channel includes at least 2 axial coolant liquid ways along motor installation casing peripheral direction interval distribution; and all the axial cooling liquid channels are communicated in series through the intermediate transition cooling liquid channel and are used for quickly discharging heat generated by the stator winding.
In order to make the technical solutions in the present invention better understood, the technical solutions in 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 only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
Referring to fig. 1, 2, 3 and 4, a motor casing with a circumferential series-connection cooling channel includes a motor installation casing 1 and a motor cooling casing 2 installed as a whole, the motor installation casing 1 forms an internal installation cavity 10 for installing a stator and a rotor, the motor cooling casing 2 is located at the periphery of the motor installation casing 1 and is correspondingly matched with the motor installation casing 1 to form a cooling channel, two ends of the cooling channel are respectively communicated with a liquid inlet 31 for injecting cooling liquid and a liquid outlet 32 for discharging and recovering the cooling liquid, preferably, in the present embodiment, the motor installation casing 1 and the motor cooling casing 2 are respectively made of metal plates and are formed by extrusion or stamping; the motor installation shell 1 and the motor cooling shell 2 are fixedly installed into a whole by welding; the liquid inlet 31 is connected to a cooling liquid supply region (not shown), and the liquid outlet 32 is connected to a cooling liquid recovery region (not shown), and the cooling liquid is cooling oil or cooling water, or other cooling medium with cooling effect, which is not particularly limited in this embodiment.
In the embodiment, the cooling channels include at least 2 axial cooling channels 21 distributed at intervals along the peripheral direction of the motor installation shell 1; all the axial cooling liquid channels 21 are communicated in series through the intermediate transition cooling liquid channel 22 and used for quickly discharging heat generated by the stator winding; preferably, in the present embodiment, the axial cooling liquid channels 21 extend from one end to the other end of the periphery of the motor installing machine shell 1, and the intermediate transition cooling liquid channels 22 are distributed along the circumferential direction of the motor installing machine shell 1;
preferably, in the present embodiment, the axial cooling liquid channel 21 on one side of the outer periphery of the motor mounting machine housing 1 is communicated with the liquid inlet 31, and the axial cooling liquid channel 21 on the other side thereof is communicated with the liquid outlet 32, and particularly preferably, in order to further increase the effective cooling area of the cooling channel, in the present embodiment, the cooling channel comprises a first circumferential cooling channel 23a and a second circumferential cooling channel 23b distributed along the circumferential direction of the motor mounting machine housing 1, wherein the axial cooling liquid channel 21 is communicated with the liquid inlet 31 through the first circumferential cooling channel 23a, the axial cooling liquid channel 21 is communicated with the liquid outlet 32 through the second circumferential cooling channel 23b, and particularly preferably, in the present embodiment, the first circumferential cooling channel 23a is connected with the axial cooling liquid channel 21 adjacent thereto to form an L-shaped shape, and the second circumferential cooling channel 23b is connected with the axial cooling liquid channel 21 adjacent thereto to form an L-shaped shape, meanwhile, the first circumferential cooling channel 23a and the second circumferential cooling channel 23b are oppositely arranged to form a bending type liquid guide groove 24 a;
preferably, in order to facilitate forming a more rapid and effective complete circumferential cooling path on the periphery of the motor mounting housing 1, in the present embodiment, the axis of the motor mounting machine housing where the liquid inlet 31 is located coincides with the axis of the motor mounting machine housing where the liquid outlet 32 is located; the axial cooling liquid channel 21 and the middle transition cooling liquid channel 22 are protruded outwards along the periphery of the motor installation shell 1; a linear liquid guide groove 24b is formed between adjacent axial cooling liquid channels 21, the width of the liquid guide groove 24 is not more than half of the width of the axial cooling liquid channel 21, and the cooling channels are ensured to have enough effective cooling area;
this embodiment has still provided a motor, including the motor casing that has the internally mounted cavity, installs stator and rotor in the internally mounted cavity, rotor and stator magnetic coupling connection, and with rotation axis fixed connection, the motor casing adopt this embodiment above the motor casing.
This embodiment has still provided a helical-lobe compressor, includes the helical-lobe compressor host computer and is used for driving the motor of helical-lobe compressor host computer, and the motor adopts the motor that this embodiment above described.
The specific scheme of the motor and the screw compressor in this embodiment can be directly referred to the technical scheme of CN111130256A, and the description thereof in this embodiment will not be repeated.
In the embodiment, the plurality of axial cooling liquid channels 21 which are serially communicated through the intermediate transition cooling liquid channel 22 and are distributed at intervals are arranged to form a cooling channel structure of the motor casing, the axial cooling liquid channel 21 and the adjacent intermediate transition cooling liquid channel 22 form a bent shape, and a circumferential serial cooling channel structure is formed at the periphery of the motor installation casing 1. referring to the flow direction of the cooling liquid in the cooling channel shown by an arrow in the figure, in practical application, when the cooling liquid is injected into the axial cooling liquid channel 21 positioned at one side through the liquid inlet 31, the plurality of axial cooling liquid channels 21 positioned at the periphery of the motor installation casing 1 can carry out a large-area rapid uniform cooling path at the periphery of the motor installation casing 1, the cooling speed is increased, the cooling uniformity is improved, and heat generated by the stator winding of the internal installation cavity 10 positioned in the motor installation casing 1 can be rapidly and discharged, ensuring a rapid cooling effect on the motor.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A motor casing with circumferential series cooling channels comprises a motor installation casing and a motor cooling casing which are installed into a whole, wherein the motor installation casing forms an internal installation cavity for installing a stator and a rotor, the motor cooling casing is positioned at the periphery of the motor installation casing and correspondingly matched with the motor installation casing to form a cooling channel, the motor casing is characterized in that two ends of the cooling channel are respectively communicated with a liquid inlet for injecting cooling liquid and a liquid outlet for discharging and recovering the cooling liquid, wherein,
the cooling channel comprises at least 2 axial cooling liquid channels which are distributed at intervals along the peripheral direction of the shell of the motor installation machine;
and all the axial cooling liquid channels are communicated in series through the intermediate transition cooling liquid channel and are used for quickly discharging heat generated by the stator winding.
2. The motor casing with circumferential series cooling channels as claimed in claim 1, wherein the axial cooling channels extend from one end to the other end of the outer periphery of the motor mounting machine casing, and the intermediate transition cooling channels are distributed along the circumferential direction of the motor mounting machine casing.
3. The motor casing with the circumferential series cooling channel as claimed in claim 1 or 2, wherein the axial cooling fluid channel on one side of the outer periphery of the motor mounting machine casing is communicated with the fluid inlet, and the axial cooling fluid channel on the other side is communicated with the fluid outlet.
4. The motor casing with the circumferential series-type cooling channel as claimed in claim 3, wherein the cooling channel comprises a first circumferential cooling channel and a second circumferential cooling channel distributed along the circumference of the motor mounting machine casing, wherein the axial cooling fluid channel is communicated with the fluid inlet through the first circumferential cooling channel, and is communicated with the fluid outlet through the second circumferential cooling channel.
5. The motor casing with the circumferential series cooling channel as claimed in claim 1 or 2, wherein an axis of the motor mounting machine casing where the liquid inlet is located and an axis of the motor mounting machine casing where the liquid outlet is located coincide.
6. The motor casing having circumferential series-type cooling ducts as claimed in claim 1, wherein the axial cooling liquid duct and/or the intermediate transition cooling liquid duct is/are outwardly convex along an outer periphery of the motor mounting machine casing.
7. The motor casing having circumferential series cooling channels of claim 1, wherein a liquid guiding groove is formed between adjacent axial cooling channels, and the width of the liquid guiding groove is not more than half of the width of the axial cooling channels.
8. The motor casing with the circumferential series cooling ducts as claimed in claim 1, wherein the motor mounting casing and the motor cooling casing are respectively made of sheet metal by extrusion or stamping; the motor mounting shell and the motor cooling shell are fixedly mounted into a whole by welding; the liquid inlet is connected with the cooling liquid supply area, the liquid outlet is connected with the cooling liquid recovery area, and the cooling liquid adopts cooling oil or cooling water.
9. An electric motor comprising a motor housing having an internal mounting cavity within which a stator and a rotor are mounted, said rotor being magnetically coupled to said stator and fixedly coupled to a rotating shaft, wherein said motor housing is as defined in any one of claims 1 to 8.
10. A screw compressor comprising a screw compressor main body and a motor for driving the screw compressor main body, wherein the motor is the motor according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558868.0U CN212627457U (en) | 2020-07-31 | 2020-07-31 | Motor casing with circumferential series cooling channel, motor and screw compressor thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021558868.0U CN212627457U (en) | 2020-07-31 | 2020-07-31 | Motor casing with circumferential series cooling channel, motor and screw compressor thereof |
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| Publication Number | Publication Date |
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| CN212627457U true CN212627457U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021558868.0U Active CN212627457U (en) | 2020-07-31 | 2020-07-31 | Motor casing with circumferential series cooling channel, motor and screw compressor thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111748A (en) * | 2023-04-10 | 2023-05-12 | 湖南大学 | Reinforced synchronous heat dissipation stator structure |
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2020
- 2020-07-31 CN CN202021558868.0U patent/CN212627457U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116111748A (en) * | 2023-04-10 | 2023-05-12 | 湖南大学 | Reinforced synchronous heat dissipation stator structure |
| CN116111748B (en) * | 2023-04-10 | 2024-02-13 | 湖南大学 | Reinforced synchronous heat dissipation stator structure |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210827 Address after: 215500 No.11, Nanxin Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee after: Suzhou Hengke Electromechanical Technology Co.,Ltd. Address before: Building 1, No.55, Shenzhen road, high tech Industrial Park, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee before: Suzhou Chiyou Equipment Technology Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220309 Address after: Building 1, No.55, Shenzhen road, high tech Industrial Park, Changshu Economic and Technological Development Zone, Suzhou City, Jiangsu Province Patentee after: Suzhou Chiyou Equipment Technology Co.,Ltd. Address before: 215500 No.11, Nanxin Road, Changkun Industrial Park, Shajiabang Town, Changshu City, Suzhou City, Jiangsu Province Patentee before: Suzhou Hengke Electromechanical Technology Co.,Ltd. |