CN218771636U - Cooling system of water-cooled motor of magnetic suspension vacuum pump - Google Patents
Cooling system of water-cooled motor of magnetic suspension vacuum pump Download PDFInfo
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- CN218771636U CN218771636U CN202222604031.0U CN202222604031U CN218771636U CN 218771636 U CN218771636 U CN 218771636U CN 202222604031 U CN202222604031 U CN 202222604031U CN 218771636 U CN218771636 U CN 218771636U
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Abstract
The utility model discloses a magnetic suspension vacuum pump water-cooled motor cooling system, which comprises an installation base, wherein a heat dissipation box is arranged above the installation base, a magnetic suspension motor is arranged above the heat dissipation box, a cavity is arranged inside the heat dissipation box, a heat exchanger is arranged in the cavity, the heat exchanger is used for separating the cavity into a hot air cavity and a cold air cavity, the hot air cavity is communicated with the cold air cavity through the heat exchanger, and a cooling water circulating device used for conveying cooling water for the heat exchanger is arranged on the installation base; the utility model has the advantages of simple integral structure, can effectually reduce the motor temperature, prolong the life of motor, this cooling system is closed circulation water-cooling structure, and cooling temperature does not receive ambient temperature's influence, compact structure, heat exchanger and motor design as an organic whole, convenient to use.
Description
Technical Field
The utility model belongs to the technical field of the magnetic suspension vacuum pump, specific theory relates to a magnetic suspension vacuum pump water cooled machine cooling system.
Background
The magnetic suspension vacuum pump is an intelligent device researched and developed by a magnetic suspension bearing technology, a high-speed permanent magnet motor technology, a high-frequency vector frequency conversion technology and a high-efficiency fluid mechanical technology, and is widely applied to energy-saving transformation of a vacuum pump dehydration process in the papermaking industry.
However, when the magnetic suspension vacuum pump works, the temperature rise speed of the inside temperature of the motor is high, the temperature inside the motor is too high, the service life of the motor is influenced, and in order to solve the problem of the too high temperature inside the motor, the air cooling mode is adopted to cool the motor of the magnetic suspension vacuum pump in the prior art.
In the prior art, the air cooling method of the magnetic suspension vacuum pump has the following disadvantages:
1. the cooling mode of the existing magnetic suspension vacuum pump motor is that the motor is provided with an air cooling impeller, the influence of the surrounding environment is large, the motor rotates at a high speed to drive the air cooling impeller to generate cooling air entering the motor, the cooling air is discharged from a shell cooling hole through a motor cooling flow channel, the discharged high-temperature cooling air forces the surrounding environment temperature to be increased, and particularly, the high-temperature cooling air is particularly obvious in summer and is sucked into the motor through the air cooling impeller, so that the cooling effect is reduced.
2. The cooling mode of the existing motor needs to be provided with a special filtering device, has higher requirement on the cleanliness of air, needs to be maintained at irregular time, and wastes time and labor.
3. The cooling air volume of the air-cooled impeller in the prior art is greatly influenced by the rotating speed of the motor, and the air-cooled impeller cannot normally work when the motor is stopped, so that the temperature of the motor is rapidly increased, and the service life of the motor is influenced.
SUMMERY OF THE UTILITY MODEL
The to-be-solved main technical problem of the utility model is to provide a magnetic suspension vacuum pump water-cooled machine cooling system, can effectual reduction motor temperature, the life of extension motor, this cooling system is closed circulation water-cooling structure, and cooling temperature does not receive ambient temperature's influence, compact structure, heat exchanger and motor design as an organic whole, overall structure is simple, convenient to use.
In order to solve the technical problem, the utility model provides a following technical scheme:
the utility model provides a magnetic suspension vacuum pump water-cooled motor cooling system, includes the installation base, the top of installation base is provided with the heat dissipation case, and the magnetic suspension motor is installed to the top of heat dissipation case, and the inside of heat dissipation case is provided with the cavity, installs the heat exchanger in the cavity, and the heat exchanger is used for separating into hot-blast chamber and cold wind chamber with the cavity, and hot-blast chamber passes through heat exchanger and cold wind chamber intercommunication, is provided with the cooling water circulating device who is used for carrying the cooling water for the heat exchanger on the installation base.
The following is the utility model discloses to above-mentioned technical scheme's further optimization:
an air-cooled impeller is rotatably mounted at a position, close to a cold air cavity, in a shell of the magnetic suspension motor, a cooling flow channel is formed in the shell, and the air-cooled impeller rotates to suck cooling air into the cooling flow channel of the shell for cooling the inside of the magnetic suspension motor.
Further optimization: the rear end of shell is close to the position department fixed mounting in cold wind chamber and is had the sealed cowling, the sealed cowling is used for sealing up the outside of forced air cooling impeller.
Further optimization: the cold air cavity is a sealed cavity, the lower end of the sealing cover is provided with an air-cooling air inlet, and the air-cooling air inlet is communicated with the cold air cavity.
Further optimization: a shell air outlet is formed in the outer surface of the shell and close to the hot air cavity, and is communicated with a cooling flow channel in the shell; the lower end of the shell air outlet is communicated with the hot air cavity.
Further optimization: the cooling water circulating device comprises a water tank which is fixedly arranged on the mounting base, and a water cooling pipeline is arranged between the water tank and the heat exchanger.
Further optimization: and the heat exchanger is provided with a water outlet and a water inlet which are respectively communicated with the heat exchange pipeline in the heat exchanger.
Further optimization: the water cooling pipeline comprises a water outlet pipe and a water delivery pipe, one end of the water outlet pipe is communicated with a water outlet on the heat exchanger, and the other end of the water outlet pipe is communicated with a water inlet of the water tank.
Further optimization: one end of the water delivery pipe is communicated with a water outlet of the water tank, and the other end of the water delivery pipe is communicated with a water inlet on the heat exchanger.
Further optimization: the water pipe is sequentially provided with a water pump for pressurizing cooling water circulating in the water pipe and a heat exchanger for dissipating the cooling water circulating in the water pipe in series.
The above technical scheme is adopted in the utility model, think about ingenious, rational in infrastructure, this magnetic suspension vacuum pump water-cooled machine cooling system is the closed circulation, does not receive external environment's influence, and cooling flow channel exhaust high temperature cooling wind is low cooling wind through plate heat exchanger conversion, guarantees to get into air-cooled impeller cooling wind all the time and is low cooling wind to the cooling effect has been improved.
The cooling system of the water-cooled motor of the magnetic suspension vacuum pump enters the heat exchanger by circulating water, the heat exchanger circulates the heat inside by utilizing water circulation, the cooling system is not influenced by the external temperature, and the periodic maintenance is not needed.
The cooling of the water-cooled motor cooling system of the magnetic suspension vacuum pump is not influenced by the rotating speed of the motor, the water-cooled circulation system can normally operate when the motor is stopped, the temperature of the motor cannot rapidly rise, the stable operation of the motor can be ensured, and the service life of the motor is prolonged.
And this heat dissipation case, cooling water circle device and magnetic suspension motor all integrated the installation on the installation base, make overall structure simple, design overall arrangement installation is compact, can effectively improve space utilization.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a cross-sectional view of the general structure of an embodiment of the present invention;
fig. 2 is a top view of the overall structure in an embodiment of the invention;
fig. 3 is a partially enlarged view of a portion a in fig. 1.
In the figure: 1-air cooling the impeller; 2-cooling the flow channel; 3-a housing; 4-shell air outlet; 5-a heat exchanger; 6-air cooling an air inlet; 7-water outlet; 8-a water inlet; 9-a water tank; 10-a switch; 11-a water pump; 12-mounting a base; 13-a support frame; 14-a heat dissipation box; 15-a magnetic suspension motor; 16-hot air cavity; 17-a cold air chamber; 18-a sealed enclosure; 19-water outlet pipe; 20-water conveying pipe.
Detailed Description
As shown in fig. 1-3, a magnetic suspension vacuum pump water-cooled motor cooling system, including installation base 12, the top of installation base 12 is provided with heat dissipation case 14, magnetic suspension motor 15 is installed to the top of heat dissipation case 14, the inside of heat dissipation case 14 is provided with the cavity, install heat exchanger 5 in the cavity, heat exchanger 5 is used for separating the cavity into hot-blast chamber 16 and cold wind chamber 17, and hot-blast chamber 16 passes through heat exchanger 5 and cold wind chamber 17 intercommunication, be provided with the cooling water circulating device who is used for carrying the cooling water for heat exchanger 5 on the installation base 12.
The design like this, cooling water circulating device is used for constantly for heat exchanger 5 carries the cooling water, the hot-blast cold air chamber 17 that gets into of high temperature in the hot-blast chamber 16 passes through heat exchanger 5, carries out the heat exchange when the hot-blast process heat exchanger 5 this moment, and the hot-blast cold air that becomes of high temperature this moment becomes low temperature cooling air, in the low temperature cooling air gets into cold air chamber 17, make the interior cooling air that has stored of cold air chamber 17.
The magnetic suspension motor 15 comprises a shell 3, and a motor stator, a motor rotor and a magnetic bearing are arranged in the shell 3.
In this embodiment, motor stator and electric motor rotor and magnetic bearing are prior art to motor stator and electric motor rotor and magnetic bearing's design is not the design main points of the utility model.
The position department that is close to cold wind chamber 17 in the shell 3 rotates and installs air-cooled impeller 1, air-cooled impeller 1 rotates and is used for inhaling in cooling air gets into shell 3 for cool off the inside of magnetic suspension motor 15.
The air-cooled impeller 1 is in transmission connection with the end part of a motor rotor of the magnetic suspension motor 15, and the motor rotor rotates to drive the air-cooled impeller 1 to rotate.
A cooling flow channel 2 is arranged in the shell 3, cooling air generated by rotation of the air-cooled impeller 1 enters the cooling flow channel 2, and the cooling air in the cooling flow channel 2 is used for cooling the inside of the magnetic suspension motor 15.
The rear end of shell 3 is close to the position department in cold wind chamber 17 and installs sealed cowling 18, sealed cowling 18 and shell 3 fixed connection, sealed cowling 18 is used for sealing the outside of forced air cooling impeller 1.
The cold air cavity 17 is a sealed cavity, the lower end of the sealing cover 18 is provided with an air cooling air inlet 6, and the air cooling air inlet 6 is communicated with the cold air cavity 17.
The cold air cavity 17 is communicated with the sealing cover 18 through the air-cooled air inlet 6.
By the design, cooling air in the cold air cavity 17 enters the sealing cover 18 through the air-cooling air inlet 6, so that the use is convenient.
And a shell air outlet 4 is formed in the position, close to the hot air cavity 16, on the outer surface of the shell 3, and the shell air outlet 4 is communicated with the cooling flow channel 2 in the shell 3.
The lower end of the shell air outlet 4 is communicated with the hot air cavity 16, hot air in the magnetic suspension motor 15 is discharged from the shell air outlet 4, and the hot air enters the hot air cavity 16.
The design is that when the magnetic suspension motor 15 and the cooling water circulating device are started, the magnetic suspension motor 15 rotates to drive the air-cooled impeller 1 to rotate and generate cooling air, at the moment, the cooling air takes away heat generated inside the magnetic suspension motor 15 after circulating through the cooling flow channel 2, the temperature of the cooling air at the moment is raised due to the heat taking away from the magnetic suspension motor 1, the high-temperature hot air is discharged from the air outlet 4 of the shell and enters the heat exchanger 5, the inside of the heat exchanger 5 is a sealed space, the high-temperature hot air is changed into low-temperature cooling air after exchanging heat through the heat exchanger 5, the low-temperature cooling air enters the sealed cover 18 from the air-cooled air inlet 6, and then the low-temperature cooling air is sucked by the air-cooled impeller 1 to form a circulation.
The structure can ensure that the cooling air sucked from the air inlet of the air-cooled impeller 1 is low-temperature cooling air all the time; the circulation is closed circulation and is completely separated from the operation of the magnetic suspension motor 15, and the water cooling system can continue to operate even if the magnetic suspension motor 15 does not work, so that the cooling effect is improved, and the service life of the magnetic suspension motor 15 is prolonged.
A supporting frame 13 is arranged on the mounting base 12 and below the heat dissipation box 14, and the supporting frame 13 is fixedly connected with the mounting base 12.
The heat dissipation box 14 is fixedly mounted on the support frame 13 through a connecting seat.
By the design, the supporting frame 13 can be used for supporting and installing the heat dissipation box 14 and further supporting and installing the magnetic suspension motor 15, so that the assembling and the installing are convenient, the whole structure is simpler, and the use is convenient.
The cooling water circulation device comprises a water tank 9, the water tank 9 is fixedly installed on the installation base 12, and a water cooling pipeline is arranged between the water tank 9 and the heat exchanger 5.
In this embodiment, the water tank 9 stores a coolant, and the coolant is used as a cooling circulation medium and is conveyed to the heat exchanger 5 through a water cooling pipeline to exchange heat with high-temperature hot air.
In this embodiment, the cooling liquid is cooling water.
The heat exchanger 5 is prior art, the heat exchanger 5 includes the shell, install the heat transfer pipeline in the shell, it has the circulating water to circulate in the heat transfer pipeline.
The heat exchanger 5 circulates the heat inside by utilizing water circulation to realize heat exchange with high-temperature hot air and change the high-temperature hot air into low-temperature cooling air.
The heat exchanger 5 is provided with a water outlet 7 and a water inlet 8, and the water outlet 7 and the water inlet 8 are respectively communicated with a heat exchange pipeline in the heat exchanger 5.
The water cooling pipeline comprises a water outlet pipe 19 and a water delivery pipe 20, one end of the water outlet pipe 19 is communicated with the water outlet 7 on the heat exchanger 5, and the other end of the water outlet pipe 19 is communicated with the water inlet of the water tank 9.
By the design, the circulating water after heat exchange in the heat exchanger 5 is discharged through the water outlet 7 and enters the water outlet pipe 19, and then is guided by the water outlet pipe 19 to flow back to the water tank 9.
One end of the water delivery pipe 20 is communicated with a water outlet of the water tank 9, and the other end of the water delivery pipe 20 is communicated with a water inlet 8 on the heat exchanger 5.
By means of the design, the water tank 9 can output cooling water, and the cooling water is guided by the water conveying pipe 20 and flows into the heat exchanger 5 through the water inlet 8, so that circulating cooling water is conveyed for the heat exchanger 5.
The water pipe 20 is sequentially provided with a water pump 11 for pressurizing cooling water circulating in the water pipe 20 and a switch 10 for dissipating the cooling water circulating in the water pipe 20 in series.
The water pump 11 is used for pumping cooling water in the water tank 9 through the water delivery pipe 20 during operation, the cooling water is pressurized and then conveyed into the exchanger 10 through the water delivery pipe 20, at the moment, the exchanger 10 is used for dissipating heat of the cooling water flowing in the water delivery pipe 20, so that the temperature of the cooling water is reduced, and then the cooling water is conveyed into the heat exchanger 5 through the water inlet 8 through the water delivery pipe 20, so that circulating cooling water is conveyed to the heat exchanger 5.
The design is that the heat exchanger 5 utilizes water circulation to circulate the heat inside out, and the water pump 11 works and is used for extracting the cooling water of the water tank 9 and conveying to the exchanger 10 after being pressurized, and at the moment, the exchanger 10 is used for radiating the cooling water to change the cooling water into low-temperature cooling liquid, and then the low-temperature cooling liquid enters the heat exchanger 5 from the water inlet 8.
At this moment, high-temperature hot air in the hot air cavity 16 enters the cold air cavity 17 through the heat exchanger 5, heat exchange is carried out when the high-temperature hot air passes through the heat exchanger 5, the high-temperature hot air is changed into low-temperature cooling air, and then cooling liquid after heat exchange in the heat exchanger 5 flows back to the water tank 9 through the water outlet 7 and the water outlet pipe 19 to form a circulation.
Therefore, the cooling water circulating device can circulate the high-temperature cooling liquid all the time, and the cooling air entering the air-cooled impeller 1 is low-temperature cooling air all the time.
And this structure is not influenced by external environment, and is not high to external environmental requirement, need not set up special filter equipment, can the high-efficient inside temperature that reduces magnetic levitation motor 15.
When the magnetic suspension type air cooling device is used, firstly, the magnetic suspension motor 15 and the cooling water circulating device are started, the magnetic suspension motor 15 rotates to drive the air cooling impeller 1 to rotate and generate cooling air, at the moment, the cooling air circulates through the cooling flow channel 2 and then takes away heat generated inside the magnetic suspension motor 15, the cooling air at the moment leads to temperature rise due to the heat taking away the magnetic suspension motor 1, the high-temperature hot air is discharged from the shell air outlet 4 and enters the heat exchanger 5, the heat exchanger 5 is internally provided with a sealed space, the high-temperature hot air is changed into low-temperature cooling air after exchanging heat through the heat exchanger 5, the low-temperature cooling air enters the sealed cover 18 from the air cooling air inlet 6, and then the low-temperature cooling air is sucked by the air cooling impeller 1 to form a circulation.
The heat exchanger 5 circulates the heat inside by utilizing water circulation, the water pump 11 works to extract the cooling water in the water tank 9 and conveys the cooling water into the exchanger 10 after pressurization, and the exchanger 10 is used for dissipating heat of the cooling water to change the cooling water into low-temperature cooling liquid, and then the low-temperature cooling liquid enters the heat exchanger 5 from the water inlet 8.
At this moment, high-temperature hot air in the hot air cavity 16 enters the cold air cavity 17 through the heat exchanger 5, heat exchange is carried out when the high-temperature hot air passes through the heat exchanger 5, the high-temperature hot air is changed into low-temperature cooling air, and then cooling liquid after heat exchange in the heat exchanger 5 flows back to the water tank 9 through the water outlet 7 and the water outlet pipe 19 to form a circulation.
Therefore, the cooling water circulating device can circulate the high-temperature cooling liquid all the time, and the cooling air entering the air-cooled impeller 1 is low-temperature cooling air all the time.
For those skilled in the art, based on the teachings of the present invention, changes, modifications, substitutions and variations can be made to the embodiments without departing from the principles and spirit of the invention.
Claims (10)
1. The utility model provides a magnetic suspension vacuum pump water-cooled machine cooling system, includes installation base (12), its characterized in that: the magnetic suspension type cooling device is characterized in that a heat dissipation box (14) is arranged above the mounting base (12), a magnetic suspension motor (15) is arranged above the heat dissipation box (14), a cavity is arranged inside the heat dissipation box (14), a heat exchanger (5) is arranged in the cavity, the heat exchanger (5) is used for separating the cavity into a hot air cavity (16) and a cold air cavity (17), the hot air cavity (16) is communicated with the cold air cavity (17) through the heat exchanger (5), and a cooling water circulating device used for conveying cooling water for the heat exchanger (5) is arranged on the mounting base (12).
2. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 1, wherein: the magnetic suspension motor is characterized in that an air cooling impeller (1) is rotatably mounted at a position, close to a cold air cavity (17), in a shell (3) of the magnetic suspension motor (15), a cooling flow channel (2) is arranged in the shell (3), and the air cooling impeller (1) rotates to be used for sucking cooling air into the cooling flow channel (2) of the shell (3) and cooling the inside of the magnetic suspension motor (15).
3. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 2, wherein: the rear end of the shell (3) is fixedly provided with a sealing cover (18) at a position close to the cold air cavity (17), and the sealing cover (18) is used for sealing the outside of the air-cooled impeller (1).
4. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 3, wherein: the cold air cavity (17) is a sealed cavity, the lower end of the sealing cover (18) is provided with an air cooling air inlet (6), and the air cooling air inlet (6) is communicated with the cold air cavity (17).
5. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 4, wherein: a shell air outlet (4) is formed in the position, close to the hot air cavity (16), on the outer surface of the shell (3), and the shell air outlet (4) is communicated with the cooling flow channel (2) in the shell (3); the lower end of the shell air outlet (4) is communicated with the hot air cavity (16).
6. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 5, wherein: the cooling water circulating device comprises a water tank (9), the water tank (9) is fixedly installed on the installation base (12), and a water cooling pipeline is arranged between the water tank (9) and the heat exchanger (5).
7. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 6, wherein: and a water outlet (7) and a water inlet (8) are arranged on the heat exchanger (5), and the water outlet (7) and the water inlet (8) are respectively communicated with a heat exchange pipeline in the heat exchanger (5).
8. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 7, wherein: the water cooling pipeline comprises a water outlet pipe (19) and a water delivery pipe (20), one end of the water outlet pipe (19) is communicated with a water outlet (7) on the heat exchanger (5), and the other end of the water outlet pipe (19) is communicated with a water inlet of the water tank (9).
9. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 8, wherein: one end of the water delivery pipe (20) is communicated with a water outlet of the water tank (9), and the other end of the water delivery pipe (20) is communicated with a water inlet (8) on the heat exchanger (5).
10. The cooling system of the water-cooled motor of the magnetic suspension vacuum pump as claimed in claim 9, wherein: and the water delivery pipe (20) is sequentially provided with a water pump (11) for pressurizing cooling water circulating in the water delivery pipe (20) and a switch (10) for dissipating the cooling water circulating in the water delivery pipe (20) in series.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604031.0U CN218771636U (en) | 2022-09-30 | 2022-09-30 | Cooling system of water-cooled motor of magnetic suspension vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604031.0U CN218771636U (en) | 2022-09-30 | 2022-09-30 | Cooling system of water-cooled motor of magnetic suspension vacuum pump |
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| Publication Number | Publication Date |
|---|---|
| CN218771636U true CN218771636U (en) | 2023-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222604031.0U Active CN218771636U (en) | 2022-09-30 | 2022-09-30 | Cooling system of water-cooled motor of magnetic suspension vacuum pump |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123143A (en) * | 2023-04-19 | 2023-05-16 | 鸿陆智能科技(山东)有限公司 | Self-cooling mechanism of magnetic suspension turbine vacuum pump |
| CN117869339A (en) * | 2024-01-08 | 2024-04-12 | 雷茨智能装备 (广东) 有限公司 | Self-operated cooling device of magnetic suspension fan |
| CN118157400A (en) * | 2024-03-14 | 2024-06-07 | 常州工学院 | Magnetic suspension high-speed permanent magnet motor with water cooling structure |
-
2022
- 2022-09-30 CN CN202222604031.0U patent/CN218771636U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123143A (en) * | 2023-04-19 | 2023-05-16 | 鸿陆智能科技(山东)有限公司 | Self-cooling mechanism of magnetic suspension turbine vacuum pump |
| CN117869339A (en) * | 2024-01-08 | 2024-04-12 | 雷茨智能装备 (广东) 有限公司 | Self-operated cooling device of magnetic suspension fan |
| CN118157400A (en) * | 2024-03-14 | 2024-06-07 | 常州工学院 | Magnetic suspension high-speed permanent magnet motor with water cooling structure |
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