CN220605664U - Motor cooling device and motor comprising same - Google Patents
Motor cooling device and motor comprising same Download PDFInfo
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- CN220605664U CN220605664U CN202320887625.9U CN202320887625U CN220605664U CN 220605664 U CN220605664 U CN 220605664U CN 202320887625 U CN202320887625 U CN 202320887625U CN 220605664 U CN220605664 U CN 220605664U
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- 238000001816 cooling Methods 0.000 title claims abstract description 72
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000004323 axial length Effects 0.000 abstract description 7
- 230000000694 effects Effects 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 230000002411 adverse Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Motor Or Generator Cooling System (AREA)
Abstract
The embodiment of the application discloses a motor cooling device, include: the shell comprises a bottom plate, a top plate, a left side plate, a right side plate, a front side plate and a rear side plate, and an air inlet and an air outlet are formed in the bottom plate; the water cooling machine core is arranged in the shell, the shell is isolated into a first cavity and a second cavity by the water cooling machine core, and the air outlet is positioned in the second cavity; the mounting plate is arranged in the first cavity or the second cavity, and a vent hole is formed in the center of the mounting plate; the motor is detachably arranged on the mounting plate; and the fan is detachably arranged on the output shaft of the motor. According to the motor cooling device provided by the embodiment of the application, the motor for driving the fan is arranged in the shell of the motor cooling device, so that on one hand, the internal space of the motor cooling device is fully utilized to accommodate the motor, and the axial length of the motor cooling device is reduced; on the other hand, the motor is protected by the shell, a special protection cover is not required to be additionally designed for the motor, and the cost is saved.
Description
Technical Field
The application relates to the field of motors, in particular to a motor cooling device and a motor comprising the same.
Background
The motor is one of the key devices indispensable in modern industrial production, heat can be generated in the operation process of the motor, and the performance of the motor is reduced and the service life of the motor is shortened due to the excessively high temperature. Therefore, it is necessary to keep the motor at a proper temperature. The motor cooler is used as a common device for cooling a motor, and the working principle is as follows: under the effect of the fan inside the cooler, hot air in the motor flows into the cooler, and the water cooling device in the cooler performs non-medium contact heat exchange with the hot air, so that the hot air is cooled, and the cooled air is sent into the motor, so that circulating air flow is formed between the cooler and the motor, and the motor is continuously cooled. However, in field applications, coolers suffer from the following disadvantages:
1. the motor for driving the fan is arranged outside the cooler, so that the axial length of the cooler is larger;
2. the motor for driving the fan is positioned outside the cooler, the fan is positioned inside the cooler, and the fan is required to be mounted on the output shaft of the motor, so that a corresponding hole site is required to be arranged on the shell of the cooler to enable the output shaft of the motor to penetrate into the shell to mount the fan, on one hand, the structure of the shell is more complex, and on the other hand, the clearance between the avoidance hole and the output shaft reduces the air tightness of the cooler, thereby reducing the heat exchange effect;
3. the motor for driving the fan is exposed outside, so that the performance and the service life of the motor are prevented from being influenced by high temperature, ultraviolet rays, rainwater and the like, a protective cover is required to be designed and installed for the motor, and the cost is increased.
4. The motor driving the fan is arranged outside the cooler, the difficulty is increased for sealing, and the sealing is easy to lose efficacy due to the vibration of the fan and the motor.
Disclosure of Invention
In view of the foregoing, embodiments of the present application provide a motor cooling device and a motor including the same, for at least partially solving the above-mentioned technical problems.
In a first aspect, the present application provides an electric motor cooling apparatus comprising:
the shell comprises a bottom plate, a top plate, a left side plate, a right side plate, a front side plate and a rear side plate, wherein an air inlet and an air outlet are formed in the bottom plate;
the water cooling machine core is arranged in the shell and isolates the shell into a first cavity and a second cavity, wherein the air inlet is positioned in the first cavity, and the air outlet is positioned in the second cavity;
the mounting plate is arranged in the first cavity or the second cavity, and a vent hole is formed in the center of the mounting plate;
the motor is detachably arranged on the mounting plate;
and the fan is detachably arranged on the output shaft of the motor.
In one embodiment, the bottom plate, the top plate, the left side plate, the right side plate, the front side plate, and the rear side plate are welded together; and
The mounting plate is in welded connection with the bottom plate, the top plate, the front side plate and the rear side plate.
In one embodiment, the top plate is a cambered surface plate.
In one embodiment, the motor is a hydraulic motor.
In one embodiment, a first joint and a second joint are arranged on the shell, wherein a first end of the first joint is detachably connected with an oil return pipe of the hydraulic motor, and a second end of the first joint is used for being connected with a hydraulic station; the first end of the second connector is detachably connected with the oil inlet pipe of the hydraulic motor, and the second end of the second connector is used for being connected with a hydraulic station.
In one embodiment, the first end of the first joint and the first end of the second joint are respectively welded with the front side plate.
In one embodiment, the mounting plate is disposed in the second chamber, and the fan is a centrifugal fan, and the centrifugal fan is located above the air outlet.
In one embodiment, the mounting plate is disposed in the first chamber, the fan is an axial fan, and the axial fan is disposed between the water cooling core and the air inlet.
In one embodiment, the motor cooling device further comprises a current collecting plate detachably mounted on the mounting plate, and a gap between the inner side of the current collecting plate and the outer edge of the fan is 2-5mm.
In a second aspect, the present application provides an electric machine comprising a motor cooling device as described above, wherein the non-drive end of the electric machine is proximal to an air inlet of the motor cooling device and the drive end of the electric machine is proximal to an air outlet of the motor cooling device.
According to the motor cooling device and the motor comprising the same, the mounting plate is arranged in the shell, and the motor for driving the fan is arranged on the mounting plate, so that the motor for driving the fan is arranged in the shell of the motor cooling device, on one hand, the internal space of the motor cooling device is fully utilized to accommodate the motor, and the axial length of the motor cooling device is reduced; on the other hand, the motor for driving the fan is arranged in the shell of the motor cooling device, and the shell is used for protecting the motor, so that a special protection cover is not required to be additionally designed for the motor for driving the fan, and the cost is saved. Further, the motor for driving the fan and the fan are arranged in the shell, the fan can be directly arranged on the output shaft of the motor, the structure of the shell is simplified, a complex and expensive sealing design is not needed, and the adverse effect of the environment on the operation stability of the motor cooling device is reduced.
Drawings
The above and other features and advantages of the present application will become more apparent to those of ordinary skill in the art by describing in detail preferred embodiments thereof with reference to the attached drawings in which:
fig. 1 is a bottom view of a motor radiator according to an embodiment of the present application;
FIG. 2 is a front view of one implementation of a motor radiator of an embodiment of the present application;
FIG. 3 is a front view of another implementation of a motor radiator of an embodiment of the present application;
fig. 4 is a cross-sectional view of a motor radiator according to an embodiment of the present application.
Reference numerals illustrate:
housing 10
Bottom plate 11
Air inlet 111
Air outlet 112
Top plate 12
Left side plate 13
Right side plate 14
Front side plate 15
Rear side plate 16
First chamber 17
Second chamber 18
Water cooling core 20
Mounting plate 30
Vent hole 31
Motor 40
Fan 50
Collector plate 60
First joint 71
Second joint 72
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail by the following examples.
For simplicity and clarity of description, the following description sets forth aspects of the present application by describing several exemplary embodiments. Numerous details in the embodiments are provided solely to aid in the understanding of the aspects of the present application. It will be apparent, however, that the embodiments of the present application may be practiced without limitation to these specific details. Some embodiments are not described in detail in order to avoid unnecessarily obscuring aspects of the present application, but rather only to present a framework. Hereinafter, "comprising" means "including but not limited to", "according to … …" means "according to at least … …, but not limited to only … …". The term "a" or "an" is used herein to refer to a number of components, either one or more, or at least one, unless otherwise specified.
The motor is one of the key devices indispensable in modern industrial production, heat can be generated in the operation process of the motor, and the performance of the motor is reduced and the service life of the motor is shortened due to the excessively high temperature. Therefore, it is necessary to keep the motor at a proper temperature. The motor cooler is used as a common device for cooling a motor, and the working principle is as follows: under the effect of the fan inside the cooler, hot air in the motor flows into the cooler, and the water cooling device in the cooler performs non-medium contact heat exchange with the hot air, so that the hot air is cooled, and the cooled air is sent into the motor, so that circulating air flow is formed between the cooler and the motor, and the motor is continuously cooled. However, in field applications, coolers suffer from the following disadvantages:
1. the motor for driving the fan is arranged outside the cooler, so that the axial length of the cooler is larger;
2. the motor for driving the fan is positioned outside the cooler, the fan is positioned inside the cooler, and the fan is required to be mounted on the output shaft of the motor, so that a corresponding hole site is required to be arranged on the shell of the cooler to enable the output shaft of the motor to penetrate into the shell to mount the fan, on one hand, the structure of the shell is more complex, and on the other hand, the clearance between the avoidance hole and the output shaft reduces the air tightness of the cooler, thereby reducing the heat exchange effect;
3. the motor for driving the fan is exposed outside, so that the performance and the service life of the motor are prevented from being influenced by high temperature, ultraviolet rays, rainwater and the like, a protective cover is required to be designed and installed for the motor, and the cost is increased.
4. The motor driving the fan is arranged outside the cooler, the difficulty is increased for sealing, and the sealing is easy to lose efficacy due to the vibration of the fan and the motor.
In view of the foregoing, embodiments of the present application provide a motor cooling device to at least partially solve the above-mentioned problems.
Specific implementations of embodiments of the present application are described in detail below with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a motor cooling device according to an embodiment of the present application.
As shown in fig. 1, the motor cooling device of the embodiment of the present application includes a housing 10, and a water cooling core 20, a mounting plate 30, a motor 40, and a fan 50 are disposed in the housing 10. The casing 10 is formed by surrounding a bottom plate 11, a top plate 12, a left side plate 13, a right side plate 14, a front side plate 15 and a rear side plate 16, wherein an air inlet 111 and an air outlet 112 are arranged on the bottom plate 11, as shown in fig. 1, the air inlet 111 is close to the right side plate 14, and the air outlet 112 is close to the left side plate 13. The water-cooling core 20 is disposed in the housing 10, the water-cooling core 20 separates the housing 10 into two chambers, as shown in fig. 1, the chamber on the right side of the water-cooling core 20 is the first chamber 17, the chamber on the left side of the water-cooling core 20 is the second chamber 18, the air inlet 111 is located in the first chamber 17, and the air outlet 112 is located in the second chamber 18, as shown in fig. 1. The mounting plate 30 is disposed in the first chamber 17 and the second chamber 18, and a vent hole 31 is provided in the center of the mounting plate 30. The motor 40 is detachably mounted on the mounting plate 30, and the fan 50 is detachably mounted on the output shaft of the motor 40.
According to the motor cooling device provided by the embodiment of the application, the mounting plate 30 is arranged in the shell 10, and the motor 40 for driving the fan 50 is arranged on the mounting plate 30, so that the motor 40 for driving the fan 50 is arranged in the shell 10 of the motor cooling device, on one hand, the internal space of the motor cooling device is fully utilized to accommodate the motor 40, and the axial length of the motor cooling device is reduced; on the other hand, the motor 40 is installed in the housing 10 of the motor cooling device, and the motor is protected by the housing 10, so that a special protection cover for the motor is not required to be additionally designed, and the cost is saved. Further, the motor 40 and the fan 50 are both disposed inside the housing 10, and the fan 50 can be directly mounted on the motor 40
On the exiting shaft, the structure of the housing 10 is simplified, a complex and expensive sealing design is not required, and adverse effects of the environment on the operation stability of the motor cooling device are reduced.
As shown in fig. 2 and 3, under the action of the fan 50, hot air in the motor flows into the cooler from the air inlet 111, and the water cooling device in the cooler performs non-medium contact heat exchange with the hot air, so as to cool the hot air, and the cooled air is sent into the motor from the air outlet 112, so that circulating air flow is formed between the cooler and the motor, and the motor is continuously cooled.
In one embodiment, the bottom plate 11, the top plate 12, the left side plate 13, the right side plate 14, the front side plate 15, the rear side plate 16 are welded together, and the mounting plate 30 is welded to the bottom plate 11, the top plate 12, the front side plate 15, and the rear side plate 16.
To improve the cooling effect, the housing 10 of the motor radiator needs to maintain a certain tightness. Six panels of the motor heat abstractor of this application embodiment are welded respectively and are connected, four limits of mounting panel 30 respectively with bottom plate 11 roof 12 preceding curb plate 15 posterior lateral plate 16 welded connection has guaranteed motor heat abstractor's casing 10's closure.
As shown in fig. 4, in one embodiment, the top plate 12 is an upwardly protruding arc panel, and the arc panel does not accumulate rainwater, thereby slowing down corrosion of the housing 10 and improving the service life of the housing 10.
In one embodiment, as shown in fig. 2 and 3, the motor 40 is a hydraulic motor. The axial length of the fluid motor is small, and the internal space of the housing 10 can be fully utilized, thereby reducing the axial length of the motor radiator. The hydraulic motor 40 can be driven by cooling water with a certain pressure without an external power supply, thereby greatly facilitating the application of the motor.
According to the motor cooling device, the hydraulic motor and the structure of the hydraulic motor can cool hot air once, the water cooling machine core 20 cools the hot air secondarily, and cold air cooled twice is cooled by entering the motor, so that the motor is cooled, and the cooling efficiency is improved.
In one embodiment, as shown in fig. 1 and 4, the housing 10 is provided with a first joint 71 and a second joint 72, wherein a first end of the first joint 71 is detachably connected with an oil return pipe of the hydraulic motor, and a second end of the first joint 71 is used for being detachably connected with a hydraulic station; the first end of the second joint 72 is detachably connected with the oil inlet pipe of the hydraulic motor, and the second end of the second joint 72 is detachably connected with the hydraulic station.
In one embodiment, as shown in fig. 4, the first end of the first connector 71 and the first end of the second connector 72 are respectively welded to the front side plate 15, and the second end of the first connector 71 and the second end of the second connector 72 protrude from the front side plate 15 so as to be connected to a hydraulic station. The connection is performed by welding, which increases the connection strength on the one hand and ensures the air tightness of the whole housing 10 on the other hand.
Further, the first end of the first joint 71 and the first end of the second joint 72 are provided with female screws that match an oil return pipe (oil inlet pipe), and the second end of the first joint 71 and the second end of the second joint 72 are provided with female screws that match an oil storage station.
In one embodiment, as shown in fig. 3, the mounting plate 30 is disposed in the second chamber 18, and the fan 50 is a centrifugal fan, and the centrifugal fan is located above the air outlet 112.
After the centrifugal fan sucks the air from the axial direction of the fan 50, the air is thrown out from the circumferential direction of the fan 50 by centrifugal force (the air flow is rotated by 90 degrees and discharged), and the centrifugal fan is positioned above the air outlet 112, so that the cooled air is thrown into the motor directly, and the air flow direction is shown in fig. 3.
The centrifugal fan produces low noise and wind pressure when working, and great wind pressure is favorable to improving the heat exchange effect.
In another embodiment, as shown in fig. 2, the mounting plate 30 is disposed in the first chamber 17, the fan 50 is an axial fan 50, and the axial fan 50 is disposed between the water cooling core 20 and the air inlet 111.
When the axial fan 50 works, the blades push air to flow in the same direction as the shaft, and the axial fan 50 is arranged between the water cooling core 20 and the air inlet 111, so that hot air in electricity is sucked into the motor cooling device from the air inlet 111, and the air flow direction is shown in fig. 2.
The axial flow fan 50 has the advantages of simple structure, low purchase cost, low energy consumption of the axial flow fan 50, environmental protection and energy saving.
In one embodiment, the outer sides of the blades of the axial flow fan 50 are provided with a collecting plate 60, and as shown in fig. 2, the collecting plate 60 is detachably mounted on the mounting plate 30, and the minimum distance between the inner side of the collecting plate 60 and the outer edge of the fan 50 is 2-5mm.
The manifold 60 creates uniform velocity and pressure fields at the inlet of the axial flow fan 50 to reduce flow losses and improve the efficiency of the fan 50. The gap between the inner side of the collecting plate 60 and the outer edge of the fan 50 is 2-5mm, so that friction caused by easy heating when the gap is too small is avoided, and performance of the fan 50 is prevented from being reduced when the gap is too large.
The embodiment of the application also provides a motor, which comprises the motor cooling device of the embodiment. The base plate 11 of the motor cooling device is mounted on the base of the motor, the non-drive end of the motor is close to the air inlet 111 of the motor cooling device, and the drive end of the motor is close to the air outlet 112 of the motor cooling device.
Hot air enters the cooler from the non-driving end of the motor, the air flow direction is shown in fig. 2 and 3, after the hot air is subjected to primary cooling through the hydraulic motor and the structure thereof, the cooled cold air enters the motor from the driving end, the heating value of the driving end of the motor is larger, the temperature is higher, and the cooled air firstly enters the driving end, so that the driving end is cooled, the problem that the driving end is influenced by load and is easy to overheat is effectively solved, and the cooling air path is optimized, so that the motor efficiency is improved.
The foregoing is merely a preferred embodiment of the present application, and is not intended to limit the scope of the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A motor cooling device, comprising:
the shell (10) comprises a bottom plate (11), a top plate (12), a left side plate (13), a right side plate (14), a front side plate (15) and a rear side plate (16), wherein an air inlet (111) and an air outlet (112) are formed in the bottom plate (11);
the water cooling machine core (20) is arranged in the shell (10), the water cooling machine core (20) isolates the shell (10) into a first cavity (17) and a second cavity (18), wherein the air inlet (111) is positioned in the first cavity (17), and the air outlet (112) is positioned in the second cavity (18);
a mounting plate (30) disposed in the first chamber (17) or the second chamber (18), wherein a vent hole (31) is formed in the center of the mounting plate (30);
a motor (40) detachably mounted on the mounting plate (30);
and the fan (50) is detachably arranged on the output shaft of the motor (40).
2. The motor cooling device according to claim 1, characterized in that the bottom plate (11), the top plate (12), the left side plate (13), the right side plate (14), the front side plate (15), the rear side plate (16) are welded; and
The mounting plate (30) is welded with the bottom plate (11), the top plate (12), the front side plate (15) and the rear side plate (16).
3. Motor cooling device according to claim 2, characterized in that the top plate (12) is an arc panel.
4. An electric motor cooling device according to claim 1, characterized in that the motor (40) is a hydraulic motor.
5. An electric motor cooling device according to claim 4, characterized in that the housing (10) is provided with a first joint (71) and a second joint (72), wherein a first end of the first joint (71) is detachably connected to an oil return pipe of the hydraulic motor, and a second end of the first joint (71) is adapted to be connected to a hydraulic station; the first end of the second joint (72) is detachably connected with the oil inlet pipe of the hydraulic motor, and the second end of the second joint (72) is used for being connected with a hydraulic station.
6. The motor cooling device according to claim 5, characterized in that the first end of the first joint (71) and the first end of the second joint (72) are welded to the front side plate (15), respectively.
7. The motor cooling device according to claim 6, wherein the mounting plate (30) is disposed in the second chamber (18), and the fan (50) is a centrifugal fan, and the centrifugal fan is located above the air outlet (112).
8. The motor cooling device according to claim 6, wherein the mounting plate (30) is disposed in the first chamber (17), and the fan (50) is an axial fan disposed between the water cooling core (20) and the air inlet (111).
9. The motor cooling apparatus according to claim 8, further comprising a current collecting plate (60), the current collecting plate (60) being detachably mounted on the mounting plate (30), a gap between an inner side of the current collecting plate (60) and an outer edge of the fan (50) being 2-5mm.
10. An electric machine comprising a machine cooling device according to any one of claims 1-9, wherein the non-drive end of the electric machine is close to an air inlet (111) of the machine cooling device and the drive end of the electric machine is close to an air outlet (112) of the machine cooling device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320887625.9U CN220605664U (en) | 2023-04-19 | 2023-04-19 | Motor cooling device and motor comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320887625.9U CN220605664U (en) | 2023-04-19 | 2023-04-19 | Motor cooling device and motor comprising same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220605664U true CN220605664U (en) | 2024-03-15 |
Family
ID=90178994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320887625.9U Active CN220605664U (en) | 2023-04-19 | 2023-04-19 | Motor cooling device and motor comprising same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220605664U (en) |
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2023
- 2023-04-19 CN CN202320887625.9U patent/CN220605664U/en active Active
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