CN217720963U - Magnetic suspension steam compressor motor cooling system - Google Patents
Magnetic suspension steam compressor motor cooling system Download PDFInfo
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- CN217720963U CN217720963U CN202222021418.3U CN202222021418U CN217720963U CN 217720963 U CN217720963 U CN 217720963U CN 202222021418 U CN202222021418 U CN 202222021418U CN 217720963 U CN217720963 U CN 217720963U
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Abstract
The utility model relates to a magnetic suspension vapor compressor motor cooling system, including magnetic suspension motor, intercooler and water-cooling machine, one side of magnetic suspension motor is provided with the air inlet, air inlet internal connection has the ring line, the tube coupling has a plurality of gas circuits, and one of them pipeline department is connected with the shunt tubes, the afterbody of shunt tubes extends to the inside opposite side of magnetic suspension motor. The utility model discloses improve cooling structure, make circulating air not exchange with outside air, use the intercooler to cool off circulating air, effectual reduction motor temperature to make the inside dry that remains all the time of motor, extension motor life. The utility model discloses well magnetic suspension motor's motor stator shell adopts the cooling of water-cooling mode with motor housing, effectively reduces the bulk temperature of motor, guarantees the more reliable operation of motor.
Description
Technical Field
The utility model relates to a magnetic suspension vapor compression machine motor technical field, in particular to magnetic suspension vapor compression machine motor cooling system.
Background
At present, magnetic suspension motors are widely applied to industrial production, are novel technologies, are particularly applied to various fields such as magnetic suspension air blowers and magnetic suspension compressors, and are widely applied. The magnetic suspension motor is manufactured based on the theory of the magnetic suspension technology, has the characteristics of high efficiency and high power, and simultaneously causes higher temperature rise of the magnetic suspension motor, if a heat dissipation system is not additionally arranged, the temperature rise at a winding is overhigh, and the permanent magnet of a rotor is demagnetized, so that the normal use of the magnetic suspension motor is influenced.
The vapor compressor is widely applied to MVR systems in the evaporative crystallization fields of food processing, chemical engineering, pharmacy and the like, and is a core device of the MVR evaporation system. The humidity of the environment where the steam compressor is located is relatively very high, and along with a large amount of steam, the magnetic suspension motor is cooled by an air cooling structure, a large amount of high-humidity air and water vapor are easily sucked in the cooling mode, condensed water drops are formed inside the motor, and irreversible damage is caused to a stator, a magnetic bearing and the like of the motor.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects in the prior art, the utility model provides a magnetic suspension steam compressor motor cooling system, which improves the cooling structure of the utility model, so that the circulating air is not exchanged with the outside air, and the circulating air is cooled by using an intercooler, thereby effectively reducing the temperature of the motor, keeping the inside of the motor dry all the time and prolonging the service life of the motor; the motor stator shell and the motor shell are cooled in a water cooling mode, so that the overall temperature of the motor is effectively reduced, and more reliable operation of the motor is guaranteed.
In order to solve the technical problem, the utility model discloses a following technical scheme: a motor cooling system of a magnetic suspension steam compressor comprises a magnetic suspension motor, an intercooler and a water cooling machine, wherein an air inlet is formed in one side of the magnetic suspension motor, an annular pipeline is connected inside the air inlet, the pipeline is connected with a plurality of air channels, a flow dividing pipe is connected to one pipeline, and the tail of the flow dividing pipe extends to the other side inside the magnetic suspension motor;
a rotating shaft is arranged on an internal central axis of the magnetic suspension motor, radial magnetic bearings are arranged on the upper side and the lower side of the rotating shaft, and a stator assembly and an axial magnetic bearing are arranged on the upper side and the lower side of the middle part of the rotating shaft; a water cooling bin is arranged on the outer side of the stator assembly;
the water cooling bin is connected with an external water cooler through a water pipe;
the air inlet of the magnetic suspension motor is connected with the fan through an air pipe, the air outlet is connected with the intercooler through an air pipe, and the fan is connected with the intercooler through an air pipe.
According to the technical scheme, water cooling equipment such as a water cooler is used for circularly cooling the motor and mainly cooling the stator shell of the motor and the surface of the motor, and the water cooler is provided with the refrigeration compressor and dissipates heat, so that the temperature of the motor shell can be effectively reduced; the circulating air realizes heat exchange in the intercooler, and after the temperature of the circulating air is reduced, the rotor and the magnetic bearings in the motor are cooled, and the circulating air only circulates in the motor, so that the cleanness and the dryness of the circulating air can be ensured.
Furthermore, the radial magnetic bearings are positioned at two ends inside the magnetic suspension motor, and the number of the radial magnetic bearings is four.
Furthermore, the radial magnetic bearing, the stator assembly and the axial magnetic bearing are all fixed on a shell of the magnetic suspension motor through bolts.
Through the technical scheme, the radial magnetic bearing, the stator assembly and the axial magnetic bearing are connected with the magnetic suspension motor through bolts, so that the stability of the device is improved.
Further, a gap exists between the stator assembly and the rotating shaft.
Through above-mentioned technical scheme, there is the space cooling gas of being convenient for to pass through between stator module and the pivot for to stator module's cooling, improve cooling efficiency.
Furthermore, the bottom of the magnetic suspension motor is provided with an exhaust port, so that cooling gas can be conveniently discharged, and gas circulation can be conveniently carried out.
Furthermore, the intercooler is connected with a water cooler, so that the circulating air can exchange heat inside the intercooler conveniently.
Furthermore, a liquid inlet pipe joint and a liquid outlet pipe joint of the water cooling bin are connected with an external water cooling machine through water pipes.
Compared with the prior art, the utility model discloses the beneficial effect who has does:
1. the utility model discloses improve cooling structure, make circulating air not exchange with outside air, use the intercooler to cool off circulating air, effectual reduction motor temperature to make the inside dry that remains all the time of motor, extension motor life.
2. The utility model discloses well magnetic suspension motor's motor stator shell adopts the cooling of water-cooling mode with motor housing, effectively reduces the bulk temperature of motor, guarantees the more reliable operation of motor.
3. The utility model discloses utilize water-cooling and forced air cooling to the inside and outside cooling of magnetic levitation motor, the water-cooling is used for the casing and the stator cooling of magnetic levitation motor, and the inside of forced air cooling motor adopts water-cooling and forced air cooling two kinds of modes to cool down for the cooling to the motor, improve cooling efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a motor cooling system of a magnetic suspension water vapor compressor of the present invention;
FIG. 2 is a schematic view of the connection between the magnetic suspension motor and the water cooling machine in the cooling system of the magnetic suspension steam compressor motor of the present invention;
fig. 3 is a schematic structural diagram of the magnetic levitation motor of the present invention;
fig. 4 is a left side view of the magnetic suspension motor of the present invention;
fig. 5 isbase:Sub>A sectional view taken along the linebase:Sub>A-base:Sub>A of the left side view of the magnetic levitation motor of the present invention.
Wherein, 1, a fan; 2. an intercooler; 3. a motor bracket; 4. a water cooling machine; 401. a liquid inlet; 402. a liquid outlet;
5. a magnetic suspension motor; 501. an air inlet; 502. a radial magnetic bearing; 503. a stator assembly; 504. an axial magnetic bearing; 505. a water cooling bin; 506. an exhaust port; 507. a pipeline; 508. a shunt tube; 509. and (6) air channels.
Detailed Description
For the technical solutions and advantages of the present invention to be more clearly understood, the present invention is further described in detail with reference to the following specific embodiments.
The utility model discloses a magnetic suspension vapor compressor motor cooling system, including magnetic suspension motor 5, intercooler 2 and water-cooled generator 4, one side of magnetic suspension motor 5 is provided with air inlet 501, air inlet 501 internal connection has loop circuit 507, loop circuit 507 is located one side of magnetic suspension motor 5 inside, pipeline 507 is connected with a plurality of gas circuits 509, and air conditioning cools off stator module 503 through gas circuit 509, and one of them pipeline 507 department is connected with shunt tubes 508, the afterbody of shunt tubes 508 extends to the opposite side of magnetic suspension motor 5 inside to let two pairs of radial magnetic bearings 502 and a pair of axial magnetic bearing 504 of magnetic suspension motor 5 fully cool off;
a rotating shaft is arranged on the inner central axis of the magnetic suspension motor 5, radial magnetic bearings 502 are arranged on the upper side and the lower side of the rotating shaft, the radial magnetic bearings 502 are positioned at the two ends inside the magnetic suspension motor 5, four radial magnetic bearings 502 are arranged, a stator assembly 503 and an axial magnetic bearing 504 are arranged on the upper side and the lower side of the middle of the rotating shaft, cold air cools the stator assembly 503 through an air passage 509, a gap exists between the stator assembly 503 and the rotating shaft, the cold air fully cools the stator assembly 503 through the gap, and the tail part of a shunt pipe 508 extends to the other side inside the magnetic suspension motor 5, so that two pairs of radial magnetic bearings 502 and one pair of axial magnetic bearings 504 of the magnetic suspension motor 5 are fully cooled; the radial magnetic bearing 502, the stator assembly 503 and the axial magnetic bearing 504 are all fixed on a shell of the magnetic suspension motor 5 through bolts, the radial magnetic bearing 502, the stator assembly 503 and the axial magnetic bearing 504 are all fixed through bolts and are firmer to avoid falling, an exhaust port 506 is arranged at the bottom of the magnetic suspension motor 5, the exhaust port 506 is connected with the intercooler 2 through an air pipe, the intercooler 2 is connected with the water-cooling machine 4, an air inlet 501 of the magnetic suspension motor 5 is connected with the fan 1 through an air pipe, the fan 1 is connected with the intercooler 2 through an air pipe, air is discharged from the exhaust port 506 and enters the intercooler 2 through the air pipe, the intercooler 2 is connected with the water-cooling machine 4 to cool the air entering the intercooler 2, the cooled air is conveyed to the air inlet 501 through the fan 1 and enters the magnetic suspension motor 5, and the air is recycled;
a water cooling bin 505 is arranged outside the stator assembly 503, a pipe joint of a liquid inlet and a pipe joint of a liquid outlet of the water cooling bin 505 are connected with an external water cooling machine 4 through a water pipe, a water pump of the water cooling machine 4 provides power for liquid during working, the liquid in the water cooling bin 505 enters the water cooling machine 4 through the pipe joint of the liquid outlet 402 and the water pipe, and the liquid enters the water cooling bin 505 through the pipe joint of the liquid inlet 401 and the water pipe after being cooled in the water cooling machine 4, so that the circulation work is carried out; stator module 503's iron core and the contact of magnetic suspension motor 5 shell can carry out the heat transfer with the cooling water to obtain dual cooling, guarantee effectively that magnetic suspension motor 5's temperature is stable at reasonable scope, make its more reliable operation.
The utility model discloses a theory of operation: when the magnetic suspension motor is used, after being cooled by the intercooler 2, air enters the magnetic suspension motor 5 from the air inlet 501 under the action of the fan 1, cold air cools the stator assembly 503 through the air passage 509, one pipeline 507 is connected with a shunt pipe 508, and the tail of the shunt pipe 508 extends to the other side of the interior of the magnetic suspension motor 5, so that the two pairs of radial magnetic bearings 502 and the pair of axial magnetic bearings 504 of the magnetic suspension motor 5 are sufficiently cooled; finally, the gas enters the intercooler 2 through the gas pipe through the gas outlet 506 to be cooled again, and is conveyed to the inside of the magnetic suspension motor 5 again through the fan 1, and the gas is recycled;
the water pump of the water cooling machine 4 provides power for liquid, the liquid in the water cooling bin 505 enters the water cooling machine 4 through the pipe joint of the liquid outlet and the water pipe, the liquid enters the water cooling bin 505 through the pipe joint of the liquid inlet and the water pipe after being cooled in the water cooling machine 4, and the operation is circulated; stator module 503's iron core and the contact of magnetic suspension motor 5 shell can carry out the heat transfer with the cooling water to obtain dual cooling, guarantee effectively that magnetic suspension motor 5's temperature is stable at reasonable scope, make its more reliable operation.
It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, not by way of limitation, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention without any creative effort.
Claims (7)
1. A magnetic suspension water vapor compressor motor cooling system is characterized by comprising a magnetic suspension motor (5), an intercooler (2) and a water cooling machine (4), wherein an air inlet (501) is formed in one side of the magnetic suspension motor (5), a ring-shaped pipeline (507) is connected inside the air inlet (501), the pipeline (507) is connected with a plurality of air channels (509), a shunt pipe (508) is connected to one pipeline (507), and the tail of the shunt pipe (508) extends to the other side inside the magnetic suspension motor (5);
a rotating shaft is arranged on the inner central axis of the magnetic suspension motor (5), the upper side and the lower side of the rotating shaft are respectively provided with a radial magnetic bearing (502), and the upper side and the lower side of the middle part of the rotating shaft are respectively provided with a stator component (503) and an axial magnetic bearing (504); a water cooling bin (505) is arranged on the outer side of the stator assembly (503);
the water cooling bin (505) is connected with an external water cooling machine (4) through a water pipe;
air inlet (501) department of magnetic suspension motor (5) is connected with fan (1) through the trachea, and gas vent (506) are connected with intercooler (2) through the trachea, pass through the trachea between fan (1) and intercooler (2) and be connected.
2. A magnetically levitated water vapor compressor motor cooling system according to claim 1, characterized in that said radial magnetic bearings (502) are located at both ends inside the magnetically levitated motor (5), said radial magnetic bearings (502) being provided with four.
3. A magnetically levitated water vapor compressor motor cooling system according to claim 2, characterized in that the radial magnetic bearing (502), the stator assembly (503) and the axial magnetic bearing (504) are bolted to the housing of the magnetically levitated motor (5).
4. A magnetic levitation water vapor compressor motor cooling system as recited in claim 3 wherein there is a gap between the stator assembly (503) and the rotating shaft.
5. A magnetic levitation water vapor compressor motor cooling system as claimed in claim 1, wherein the bottom of the magnetic levitation motor (5) is provided with an air outlet (506).
6. A magnetic levitation steam compressor motor cooling system as claimed in claim 1, characterised in that the intercooler (2) is connected to a water cooler (4).
7. The motor cooling system of the magnetic suspension water vapor compressor, as claimed in claim 1, characterized in that the liquid inlet pipe joint and the liquid outlet pipe joint of the water cooling chamber (505) are connected with an external water cooling machine (4) through water pipes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222021418.3U CN217720963U (en) | 2022-08-02 | 2022-08-02 | Magnetic suspension steam compressor motor cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222021418.3U CN217720963U (en) | 2022-08-02 | 2022-08-02 | Magnetic suspension steam compressor motor cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217720963U true CN217720963U (en) | 2022-11-01 |
Family
ID=83780362
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222021418.3U Active CN217720963U (en) | 2022-08-02 | 2022-08-02 | Magnetic suspension steam compressor motor cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217720963U (en) |
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2022
- 2022-08-02 CN CN202222021418.3U patent/CN217720963U/en active Active
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