CN216851648U

CN216851648U - Cooling package for motor

Info

Publication number: CN216851648U
Application number: CN202220510303.8U
Authority: CN
Inventors: 於海洋; 王泽新; 朱鑫涛
Original assignee: Leo Group Zhejiang Pump Co Ltd
Current assignee: Leo Group Zhejiang Pump Co Ltd
Priority date: 2022-03-09
Filing date: 2022-03-09
Publication date: 2022-06-28
Anticipated expiration: 2032-03-09

Abstract

The utility model belongs to the technical field of the motor, refer in particular to a cooling package for motor, establish the cooling package body that is used for holding the coolant liquid on the rotor including the cover, cooling package body is located between rotor and the stator, be equipped with the feed liquor pipe and the drain pipe that stretch out the casing on the cooling package body. The utility model discloses need not to do the housing respectively to rotor and stator, need not the welding and do sealed processing, the insulating part of difficult harm motor, simple structure, simple process, it is with low costs, the coolant liquid is sealed effective reliable.

Description

Cooling package for motor

The technical field is as follows:

the utility model belongs to the technical field of the motor, refer in particular to a cooling package for motor.

Background art:

the motor research has a permanent important problem, namely solving the problem of heating of the motor during working, how to radiate heat and reduce the heat of the motor, and is the key point which is constantly researched by various experts and scholars. There are various ways of heat dissipation in the industry, including natural radiation cooling, convection cooling by blowing air through a fan, and conduction cooling by liquid or other objects.

The shielding motor adopts a cooling mode of placing liquid in the cavity of the motor, the common method is that the stator is separately sealed and rustproof, the rotor is additionally sealed and rustproof, and then cooling liquid is arranged between the stator and the rotor. The traditional cooling mode requires that the stator and the rotor are respectively made into a shielding sleeve, welding and sealing treatment are needed, so that the method has the defects of complex process, high possibility of damaging insulating parts of the motor in the welding process, loss of performance of the motor, high operation cost and ineffective sealing effect.

The invention content is as follows:

the utility model aims at providing a cooling package for motor, it need not to do the housing respectively to rotor and stator, need not the welding and does sealed the processing, and the insulating part of difficult harm motor, simple structure, simple process, it is with low costs, the coolant liquid is sealed effective reliable.

The utility model discloses a realize like this:

the utility model provides a cooling package for motor, establishes the cooling package body that is used for holding the coolant liquid on the rotor including the cover, and the cooling package body is located between rotor and the stator, be equipped with the feed liquor pipe and the drain pipe that stretch out the casing on the cooling package body.

In the cooling pack for a motor, the casing is provided with a notch for the liquid inlet pipe and the liquid outlet pipe to extend out.

In the cooling pack for the motor, the cooling pack body is a spiral cooling pipe, one end of the cooling pipe is connected with the liquid inlet pipe, and the other end of the cooling pipe is connected with the liquid outlet pipe.

In foretell cooling package for motor, the stator includes stator core and the stator winding of winding on stator core, and the rotor includes rotor core and the rotor winding of winding on rotor core, the middle part cover of cooling package body is established on rotor core, and the both ends of cooling package body are all located in the stator winding and are hugged closely the stator winding inner wall.

In the cooling pack for the motor, the liquid inlet pipe and the liquid outlet pipe are positioned at the same end of the casing, one end of the cooling pipe close to the liquid inlet pipe is connected with the liquid inlet pipe, and one end of the cooling pipe far away from the liquid inlet pipe is connected with the liquid outlet pipe through the connecting pipe; or one end of the cooling pipe close to the liquid outlet pipe is connected with the liquid outlet pipe, and the other end far away from the liquid outlet pipe is connected with the liquid inlet pipe through the connecting pipe.

In the cooling pack for a motor, the connection pipe may be disposed in a manner that: the connecting pipe sequentially penetrates through the stator winding at one end, the groove of the stator core and the stator winding at the other end to be connected with the cooling pipe and the liquid outlet pipe or connected with the cooling pipe and the liquid inlet pipe; the connecting pipe can be arranged in the following mode: the stator core is provided with an avoiding groove, and the connecting pipe penetrates through the avoiding groove to be connected with the cooling pipe and the liquid outlet pipe or connected with the cooling pipe and the liquid inlet pipe.

In foretell cooling package for motor, the sleeve pipe on the rotor is established for the cover to the cooling package body, and the sleeve pipe inner chamber is equipped with the coolant liquid, the stator includes stator core and the stator winding of winding on stator core, the sleeve pipe outer lane be equipped with stator core's spacing arch of slot fit spacing.

In the cooling pack for a motor, the limiting protrusions are radially arranged and are provided in an amount of two or more.

In foretell cooling package for motor, feed liquor pipe and drain pipe are located the same one end of casing, the one end that the sleeve pipe is close to the feed liquor pipe is connected with the ring body that is located the stator winding outside, feed liquor pipe and drain pipe all set up on the ring body, the laminating of ring body is on the terminal surface of stator winding.

In the cooling pack for the motor, the sleeve is positioned in the stator core, the stator winding is internally provided with the connecting sleeve for communicating the sleeve with the annular body, the outer ring of the connecting sleeve is a conical surface matched with the inner ring of the stator winding, and the conical surface is tightly attached to the inner ring of the stator winding.

Compared with the prior art, the utility model outstanding advantage is:

the utility model discloses set up the cooling package body between rotor and stator, need not to do the housing respectively to rotor and stator, need not the welding and do sealed the processing, the insulating part of difficult harm motor, simple structure, simple process, it is with low costs, the coolant liquid is sealed effective reliable.

Description of the drawings:

fig. 1 is a half sectional view of a first embodiment of the present invention;

fig. 2 is a front view of a cooling pack body and a cooling pipe according to a first embodiment of the present invention;

fig. 3 is a right side view of the housing according to the first embodiment of the present invention;

fig. 4 is a cross-sectional view of a housing according to a first embodiment of the present invention;

fig. 5 is a half sectional view of a second embodiment of the present invention;

fig. 6 is a sectional view of the cooling pack body, the annular body and the connecting sleeve according to the second embodiment of the present invention;

fig. 7 is a left side view of the cooling pack body, the annular body and the connecting sleeve according to the second embodiment of the present invention;

fig. 8 is a right side view of the cooling pack body, the annular body, and the connecting sleeve according to the second embodiment of the present invention.

Reference numerals: 1. a rotor; 1a, a rotor core; 1b, rotor winding; 2. a stator; 2a, a stator core; 2b, stator windings; 3. a housing; 4. a liquid inlet pipe; 5. a liquid outlet pipe; 6. a cooling tube; 7. a connecting pipe; 8. a sleeve; 9. a limiting bulge; 10. an annular body; 11. a connecting sleeve.

The specific implementation mode is as follows:

the invention will now be further described with reference to specific embodiments, with reference to figures 1 to 8:

the first embodiment is as follows:

the utility model provides a cooling package for motor, establishes the cooling package body that is used for holding the coolant liquid on rotor 1 including the cover, and cooling package body is located between rotor 1 and the stator 2, be equipped with feed liquor pipe 4 and drain pipe 5 that stretch out casing 3 on the cooling package body, be equipped with the breach that supplies feed liquor pipe 4 and drain pipe 5 to stretch out on casing 3, as shown in fig. 3, 4.

The working principle of the embodiment is as follows: as shown in fig. 1, the cooling liquid flows into the cooling pack body through the liquid inlet pipe 4, and flows out from the liquid outlet pipe 5 after cooling the rotor 1 and the stator 2. The utility model discloses need not to do the housing respectively to rotor 1 and stator 2, need not the welding and do sealed processing, the insulating part of difficult harm motor, simple structure, simple process, it is with low costs, the coolant liquid is sealed effective reliable.

Structure of the cooling pack body: as shown in fig. 2, the cooling pack body is a spiral cooling pipe 6, one end of the cooling pipe 6 is connected with the liquid inlet pipe 4, and the other end is connected with the liquid outlet pipe 5. The cooling package body has a simple structure and a good cooling effect.

For better cooling effect, as shown in fig. 1, the stator 2 includes stator core 2a and stator winding 2b of winding on stator core 2a, and the rotor 1 includes rotor core 1a and rotor winding 1b of winding on rotor core 1a, the middle part cover of cooling package body is established on rotor core 1a, and the both ends of cooling package body are all located in stator winding 2b and are hugged closely stator winding 2b inner wall.

Furthermore, the liquid inlet pipe 4 and the liquid outlet pipe 5 are positioned at the same end of the machine shell 3, one end of the cooling pipe 6 close to the liquid inlet pipe 4 is connected with the liquid inlet pipe 4, and one end far away from the liquid inlet pipe 4 is connected with the liquid outlet pipe 5 through a connecting pipe 7; or one end of the cooling pipe 6 close to the liquid outlet pipe 5 is connected with the liquid outlet pipe 5, and the end far away from the liquid outlet pipe 5 is connected with the liquid inlet pipe 4 through the connecting pipe 7.

The connecting pipe 7 may be arranged in the following manner: the connecting pipe 7 sequentially penetrates through the stator winding 2b at one end and the groove of the stator core 2a, and the stator winding 2b at the other end is connected with the cooling pipe 6 and the liquid outlet pipe 5 or connected with the cooling pipe 6 and the liquid inlet pipe 4; the connecting pipe 7 may be arranged in the following manner: be equipped with on stator core 2a and dodge the groove, connecting pipe 7 passes and dodges the groove and connects cooling tube 6 and drain pipe 5 or connect cooling tube 6 and feed liquor pipe 4.

Example two:

the utility model provides a cooling package for motor, establishes the cooling package body that is used for holding the coolant liquid on rotor 1 including the cover, and cooling package body is located between rotor 1 and the stator 2, be equipped with feed liquor pipe 4 and drain pipe 5 that stretch out casing 3 on the cooling package body, be equipped with the breach that supplies feed liquor pipe 4 and drain pipe 5 to stretch out on casing 3.

The working principle of the embodiment is as follows: as shown in fig. 5, the cooling liquid flows into the cooling pack body through the liquid inlet pipe 4, and flows out from the liquid outlet pipe 5 after cooling the rotor 1 and the stator 2. The utility model discloses need not to do the housing respectively to rotor 1 and stator 2, need not the welding and do sealed processing, the insulating part of difficult harm motor, simple structure, simple process, it is with low costs, the coolant liquid is sealed effective reliable.

Structure of the cooling pack body: as shown in fig. 5-8, the cooling pack body is a sleeve 8 sleeved on the rotor 1, a cooling liquid is arranged in an inner cavity of the sleeve 8, the stator 2 comprises a stator core 2a and a stator winding 2b wound on the stator core 2a, a limiting protrusion 9 matched with a groove of the stator core 2a for limiting is arranged on an outer ring of the sleeve 8, and the function of clamping and fixing the cooling pack body is achieved, as shown in fig. 7.

For better fixing effect, the limiting protrusions 9 are radially arranged and are more than two. In this embodiment, the number of the limiting protrusions 9 is three along the radial direction, and the three limiting protrusions 9 are uniformly distributed along the circumferential direction.

Furthermore, feed liquor pipe 4 and drain pipe 5 are located same one end of casing 3, the one end that sleeve pipe 8 is close to feed liquor pipe 4 is connected with the ring body 10 that is located the stator winding 2b outside, feed liquor pipe 4 and drain pipe 5 all set up on ring body 10, the laminating of ring body 10 is on the terminal surface of stator winding 2 b.

For better cooling effect, the sleeve 8 is located in the stator core 2a, a connecting sleeve 11 for communicating the sleeve 8 and the annular body 10 is arranged in the stator winding 2b, the outer ring of the connecting sleeve 11 is a conical surface matched with the inner ring of the stator winding 2b, and the conical surface is tightly attached to the inner ring of the stator winding 2 b.

The above-mentioned embodiment is only one of the preferred embodiments of the present invention, and the scope of the present invention is not limited thereto, so: all equivalent changes made according to the shape, structure and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A cooling pack for a motor, characterized in that: establish the cooling package body that is used for holding the coolant liquid on rotor (1) including the cover, the cooling package body is located between rotor (1) and stator (2), be equipped with feed liquor pipe (4) and drain pipe (5) that stretch out casing (3) on the cooling package body.

2. A cooling pack for a motor according to claim 1, wherein: the cooling package body is spiral cooling tube (6), and feed liquor pipe (4) is connected to cooling tube (6) one end, and drain pipe (5) is connected to the other end.

3. A cooling pack for a motor according to claim 2, wherein: stator (2) include stator core (2a) and stator winding (2b) of winding on stator core (2a), and rotor (1) includes rotor core (1a) and rotor winding (1b) of winding on rotor core (1a), the middle part cover of cooling package body is established on rotor core (1a), and the both ends of cooling package body are all located in stator winding (2b) and are hugged closely stator winding (2b) inner wall.

4. A cooling pack for a motor according to claim 2, wherein: the liquid inlet pipe (4) and the liquid outlet pipe (5) are positioned at the same end of the machine shell (3), one end of the cooling pipe (6) close to the liquid inlet pipe (4) is connected with the liquid inlet pipe (4), and the other end far away from the liquid inlet pipe (4) is connected with the liquid outlet pipe (5) through a connecting pipe (7); or one end of the cooling pipe (6) close to the liquid outlet pipe (5) is connected with the liquid outlet pipe (5), and the other end far away from the liquid outlet pipe (5) is connected with the liquid inlet pipe (4) through the connecting pipe (7).

5. A cooling pack for a motor according to claim 1, wherein: the cooling package body is established sleeve pipe (8) on rotor (1) for the cover, and sleeve pipe (8) inner chamber is equipped with the coolant liquid, stator (2) include stator core (2a) and winding stator winding (2b) on stator core (2a), sleeve pipe (8) outer lane be equipped with the spacing protruding (9) of the groove cooperation of stator core (2a) spacing.

6. The cooling pack for a motor according to claim 5, wherein: the limiting bulges (9) are arranged along the radial direction and are provided with more than two.

7. The cooling pack for a motor according to claim 5, wherein: feed liquor pipe (4) and drain pipe (5) are located same one end of casing (3), the one end that sleeve pipe (8) are close to feed liquor pipe (4) is connected with the ring body (10) that is located the stator winding (2b) outside, feed liquor pipe (4) and drain pipe (5) all set up on ring body (10), the laminating of ring body (10) is on the terminal surface of stator winding (2 b).

8. The cooling pack for the motor according to claim 7, wherein: the sleeve (8) is positioned in the stator core (2a), a connecting sleeve (11) for communicating the sleeve (8) with the annular body (10) is arranged in the stator winding (2b), the outer ring of the connecting sleeve (11) is a conical surface matched with the inner ring of the stator winding (2b), and the conical surface is tightly attached to the inner ring of the stator winding (2 b).