CN203702592U - Compressor and cold water type air conditioning unit with same - Google Patents
Compressor and cold water type air conditioning unit with same Download PDFInfo
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- CN203702592U CN203702592U CN201420077417.3U CN201420077417U CN203702592U CN 203702592 U CN203702592 U CN 203702592U CN 201420077417 U CN201420077417 U CN 201420077417U CN 203702592 U CN203702592 U CN 203702592U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000004378 air conditioning Methods 0.000 title abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 104
- 239000002826 coolant Substances 0.000 claims abstract description 71
- 230000005540 biological transmission Effects 0.000 claims abstract description 3
- 239000000659 freezing mixture Substances 0.000 claims description 48
- 238000005192 partition Methods 0.000 claims description 15
- 230000008676 import Effects 0.000 claims description 13
- 230000002093 peripheral effect Effects 0.000 claims description 10
- 230000007423 decrease Effects 0.000 abstract description 5
- 239000003507 refrigerant Substances 0.000 description 12
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000009413 insulation Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
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- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
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Abstract
The utility model provides a compressor and have its cold water formula air conditioning unit. The compressor comprises a motor, a power shaft, a supporting device and a cooling device, wherein the power shaft is in transmission connection with the motor, the supporting device comprises at least one electromagnetic bearing for supporting the power shaft, and the cooling device comprises a bearing cooling unit for cooling the at least one electromagnetic bearing by using a coolant. Use the technical scheme of the utility model, cooling unit has reduced electromagnetic bearing's temperature, has solved the problem of the performance decline of the compressor that leads to because of electromagnetic bearing's temperature rise effectively.
Description
Technical field
The utility model relates to art of refrigeration units, more specifically, relates to a kind of compressor and has its cold water type air conditioner group.
Background technique
When magnetic suspension centrifugal compressor normally moves, electromagnetic bearing, motor all can generate heat under "on" position, wherein, motor is main heater element, the relative motor of electromagnetic bearing, heating value is little, if but these heats take away not in time, the coil temperature of bearing, motor will constantly raise, magnetic signature will change, and compressor performance can decline greatly, when coil temperature is during higher than the limiting value of coil insulation, to cause coil insulation to be damaged, compressor cannot normally move.
Therefore, in order to guarantee that compressor normally moves, just must make coil temperature maintain in allowed band, just must as early as possible heat be taken away.Owing to also relating to electromagnetic bearing in magnetic suspension centrifugal compressor, therefore, must carry out cooling to electromagnetic bearing, and will be at bearing cooling and motor carry out the optimization of cooling system between cooling, in the time meeting cooling requirement, make cooling liquid supply rate minimum, reach energy-conservation object.So, for the internal cooling problem of magnetic suspension centrifugal compressor, be necessary to design and a set ofly can meet the cooling energy-conservation system that can meet again.
Model utility content
The utility model aims to provide a kind of compressor and has its cold water type air conditioner group, to reduce the problem of the hydraulic performance decline bringing because of heating in compressor operation.
To achieve these goals, the utility model provides a kind of compressor, and compressor comprises: motor; Line shaft, line shaft is connected with motor-driven; Bearing device, bearing device comprises at least one electromagnetic bearing that supports line shaft; Cooling unit, cooling unit comprises that utilizing freezing mixture is the bearing cooling unit of at least one electromagnetic bearing cooling.
Further, at least one electromagnetic bearing comprises the first electromagnetism radial bearing, and the first electromagnetism radial bearing is supported on the first end of line shaft; Bearing cooling unit comprises that utilizing freezing mixture is the first cooling unit of the first electromagnetism radial bearing cooling, the first cooling unit comprises the first coolant inlet and the first coolant channel, the import of the first coolant channel communicates with the first coolant inlet, and the outlet of the first coolant channel is towards motor and for freezing mixture being guided into the gap between stator and the rotor of motor.
Further, bearing device also comprises the first interference preventer being arranged between the first electromagnetism radial bearing and motor, and the outlet of the first coolant channel is arranged on the first interference preventer.
Further, bearing device also comprises the clutch shaft bearing housing being arranged on outside the first electromagnetism radial bearing and the first dividing plate being connected with clutch shaft bearing housing, the first coolant channel comprises multiple the first bulkhead through-holes that are arranged on the first dividing plate, and multiple the first bulkhead through-holes are all arranged at the position corresponding with the coil of the first electromagnetism radial bearing.
Further, multiple the first bulkhead through-holes circumferentially arranging equably along line shaft.
Further, bearing device also comprises: aiding support module, and aiding support module and line shaft arrange coaxially; Testing module, testing module and line shaft arrange coaxially, wherein, aiding support module and testing module are all positioned at a side relative with the first electromagnetism radial bearing of the first dividing plate, the outer circumferential face of aiding support module and testing module all communicates with multiple the first bulkhead through-holes with the cavity that the inner peripheral surface of clutch shaft bearing housing forms, and cavity communicates with the first coolant inlet.
Further, at least one electromagnetic bearing also comprises the second electromagnetism radial bearing, and the second electromagnetism radial bearing is supported on the second end of line shaft; Bearing cooling unit also comprises that utilizing freezing mixture is the second cooling unit of the second electromagnetism radial bearing cooling, the second cooling unit comprises the second coolant inlet and the second coolant channel, the import of the second coolant channel communicates with the second coolant inlet, and the outlet of the second coolant channel is towards motor.
Further, bearing device also comprises the second interference preventer being arranged between the second electromagnetism radial bearing and motor, and the outlet of the second coolant channel is arranged on the second interference preventer.
Further, bearing device also comprises the second bearing housing being arranged on outside the second electromagnetism radial bearing and the second partition being connected with the second bearing housing, and the second coolant channel comprises the multiple second partition through holes that are arranged on second partition.
Further, bearing device also comprises baffle plate, and baffle plate is positioned at the second end of line shaft; At least one electromagnetic bearing also comprises magnetic thrust bearing, and magnetic thrust bearing is positioned at the second end of line shaft, magnetic thrust bearing and baffle plate butt; The second coolant channel comprises multiple baffle plate through holes of being opened on baffle plate and the gap of magnetic thrust bearing.
Further, multiple baffle plate through holes circumferentially arranging equably along line shaft.
Further, compressor also comprises and utilizes the motor cooling unit that freezing mixture is electric motor temperature reduction, and motor cooling unit comprises: the 3rd coolant inlet; The first cooling flowing path, the first cooling flowing path is arranged on the stator periphery of motor, and the import of the first cooling flowing path communicates with the 3rd coolant inlet; The second cooling flowing path, the gap between stator and rotor that the second cooling flowing path is motor, the import of the second cooling flowing path communicates with the outlet of the first cooling flowing path.
Further, compressor also comprises the first housing that is located at motor periphery, the inner peripheral surface butt of the outer circumferential face of the stator of motor and the first housing, and the first cooling flowing path is the spiral groove being opened on the inner peripheral surface of the first housing.
Further, cooling unit also comprises the coolant outlet of the freezing mixture for drawing the first cooling unit and the second cooling unit, and wherein, the freezing mixture of motor cooling unit is drawn from coolant outlet.
According on the other hand of the present utility model, a kind of cold water type air conditioner group is provided, cold water type air conditioner group comprises above-mentioned compressor.
Further, compressor is centrifugal compressor.
Application the technical solution of the utility model, compressor comprises motor, line shaft, bearing device and cooling unit, line shaft is connected with motor-driven, bearing device comprises at least one electromagnetic bearing that supports line shaft, and cooling unit comprises that utilizing freezing mixture is the bearing cooling unit of at least one electromagnetic bearing cooling.Application the technical solution of the utility model, cooling unit has reduced the temperature of electromagnetic bearing, has effectively solved the problem of the hydraulic performance decline of the compressor causing because of the temperature rise of electromagnetic bearing.
Accompanying drawing explanation
The Figure of description that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 shows the structural representation of the utility model embodiment's compressor;
Fig. 2 shows the structural representation in the cross section at the A-A place of Fig. 1.
Reference character: 1, motor; 2, line shaft; 31, the first electromagnetism radial bearing; 34, the first dividing plate; 341, the first bulkhead through-hole; 35, the first interference preventer; 41, the second electromagnetism radial bearing; 44, second partition; 441, second partition through hole; 45, the second interference preventer; 46, baffle plate; 5, magnetic thrust bearing; 51, the front magnetic thrust bearing that pushes away; 52, thrust disc; 53, pusher magnetic thrust bearing.
Embodiment
It should be noted that, in the situation that not conflicting, the feature in embodiment and embodiment in the application can combine mutually.Describe below with reference to the accompanying drawings and in conjunction with the embodiments the utility model in detail.
As shown in Figure 1, the compressor of the present embodiment comprises motor 1, line shaft 2, bearing device and cooling unit.Line shaft 2 is in transmission connection with motor 1.Bearing device comprises at least one electromagnetic bearing that supports described line shaft 2.Cooling unit comprises that utilizing freezing mixture is the bearing cooling unit of at least one electromagnetic bearing cooling.
The cool-down method of the present embodiment comprises that introducing freezing mixture from the outside of compressor thinks at least one electromagnetic bearing cooling.
Along with the prolongation of compressor operating time, the temperature of the coil of electromagnetic bearing constantly rises, and magnetic signature changes, compressor performance can decline greatly, when coil temperature is during higher than the limiting value of coil insulation, will cause coil insulation to be damaged, compressor cannot normally move.Utilize the coil cooling that freezing mixture is electromagnetic bearing, effectively reduced the temperature of electromagnetic bearing, improved the stability of compressor.
In the present embodiment, freezing mixture is the refrigerant from the condenser of air-conditioning unit or economizer introducing.The electromagnetic bearing of flowing through is also for the refrigerant after electromagnetic bearing cooling flows back in the circulatory system of air-conditioning unit.Refrigerant constantly upgrades, and has guaranteed to be used to the refrigerant temperature of electromagnetic bearing cooling to remain on lower level.Further, improved the cooling-down effect of cooling unit to electromagnetic bearing.Introduce refrigerant from unit condenser or economizer, refrigerant declines and is evaporated to the gas of low pressure, low temperature because pressure is unexpected after entering enclosure interior, because gas autologous density is little, naturally rises, and saves the Driving force of additional flow.
At least one electromagnetic bearing comprises that the first electromagnetism radial bearing 31, the first electromagnetism radial bearings 31 are supported on the first end of line shaft 2.
The gap of at least a portion coolant flow in freezing mixture between the gap of the first electromagnetism radial bearing 31 and stator and the rotor of motor 1.
Bearing cooling unit comprises that utilizing freezing mixture is the first cooling unit that the first electromagnetism radial bearing 31 is lowered the temperature, the first cooling unit comprises the first coolant inlet and the first coolant channel, the import of the first coolant channel communicates with the first coolant inlet, and the outlet of the first coolant channel is towards motor 1 and for freezing mixture being guided into the gap between stator and the rotor of motor 1.
Bearing device also comprises that the outlet that is arranged on the first interference preventer 35, the first coolant channels between the first electromagnetism radial bearing 31 and motor 1 is arranged on the first interference preventer 35.
Using the gap of guiding into as the refrigerant of freezing mixture between stator and the rotor of motor 1.Effectively, reduce the temperature of motor 1, guaranteed the normal operation of motor 1.Improve the stability of compressor.
Bearing device also comprises the clutch shaft bearing housing being arranged on outside the first electromagnetism radial bearing 31 and the first dividing plate 34 being connected with clutch shaft bearing housing, the first coolant channel comprises multiple the first bulkhead through-holes 341 that are arranged on the first dividing plate 34, and multiple the first bulkhead through-holes 341 are all arranged at the position corresponding with the coil of the first electromagnetism radial bearing 31.
Multiple the first bulkhead through-holes 341 will be delivered to the coil of electromagnetic bearing as the refrigerant of freezing mixture, effectively reduced the temperature of the coil of the first electromagnetism radial bearing, have improved the stability of the first electromagnetism radial bearing 31.
Preferably, multiple the first bulkhead through-holes 341 circumferentially arranging equably along line shaft 2.
As shown in Figure 2, multiple the first bulkhead through-holes 341 circumferentially arrange equably along line shaft 2, have more effectively reduced the temperature of the coil of electromagnetic bearing.Distance between two adjacent the first bulkhead through-holes 341 is larger, poorer to the cooling-down effect of the first electromagnetism radial bearing.Distance between two adjacent the first bulkhead through-holes 341 is L, L < 35mm.
In the present embodiment, bearing device also comprises aiding support module and testing module.Aiding support module and line shaft 2 arrange coaxially.Testing module and line shaft 2 arrange coaxially.Aiding support module and testing module are all positioned at a side relative with the first electromagnetism radial bearing 31 of the first dividing plate 34, the outer circumferential face of aiding support module and testing module all communicates with multiple the first bulkhead through-holes 341 with the cavity that the inner peripheral surface of clutch shaft bearing housing forms, and this cavity communicates with the first coolant inlet.
The end face of the first electromagnetism radial bearing 31 and the first dividing plate 34 butts.First refrigerant for cooling the first electromagnetism radial bearing 31 enters cavity, then flows to the coil of the first electromagnetism radial bearing 31 by multiple the first bulkhead through-holes 341.Then through being arranged on the gap between stator and the rotor of outlet flow direction motor 1 of the first cooling channel on the first interference preventer 35.
In the present embodiment, at least one electromagnetic bearing also comprises that the second electromagnetism radial bearing 41, the second electromagnetism radial bearings 41 are supported on the second end of line shaft 2.
Bearing cooling unit also comprises that utilizing freezing mixture is the second cooling unit that the second electromagnetism radial bearing 41 is lowered the temperature, the second cooling unit comprises the second coolant inlet and the second coolant channel, the import of the second coolant channel communicates with the second coolant inlet, and the outlet of the second coolant channel is towards motor 1.
At least a portion coolant flow in freezing mixture is through the gap of the second electromagnetism radial bearing 41.
Bearing device also comprises that the outlet that is arranged on the second interference preventer 45, the second coolant channels between the second electromagnetism radial bearing 41 and motor 1 is arranged on the second interference preventer 45.
As the refrigerant of freezing mixture after the second coolant inlet and the second coolant channel, the cavity between flow direction motor 1 and the second interference preventer 45.Be used to freezing mixture that the first electromagnetism radial bearing 31 the lowers the temperature cavity between gap between the stator of motor 1 and rotor also flow direction motor 1 and the second interference preventer 45.
Bearing device also comprises that the second bearing housing being arranged on outside the second electromagnetism radial bearing 41 comprises with second partition 44, the second coolant channels that are connected with the second bearing housing the multiple second partition through holes 441 that are arranged on second partition 44.
Be used to freezing mixture that the second electromagnetism radial bearing 41 is lowered the temperature directly to flow to the coil of the second electromagnetism radial bearing 41 through multiple second partition through holes 441.Effectively, improved the cooling-down effect of the coil to the second electromagnetism radial bearing 41.
Bearing device also comprises baffle plate 46, and baffle plate 46 is positioned at the second end of line shaft 2.At least one electromagnetic bearing also comprises magnetic thrust bearing 5, and magnetic thrust bearing is positioned at the second end of line shaft 2, magnetic thrust bearing 5 and baffle plate 46 butts.The second coolant channel comprises multiple baffle plate through holes of being opened on baffle plate 46 and the gap of magnetic thrust bearing 5.
Before magnetic thrust bearing comprises, push away magnetic thrust bearing 51, and front push away the spaced pusher magnetic thrust bearing 53 of magnetic thrust bearing and be arranged on before push away the thrust disc 52 between magnetic thrust bearing 51 and pusher magnetic thrust bearing 53.
The second electromagnetism radial bearing 41 and magnetic thrust bearing 5 lay respectively at the both sides of second partition 44.At least a portion freezing mixture in freezing mixture is flowed through successively behind the gap of magnetic thrust bearing 5 and the gap of the second electromagnetism radial bearing 41 and is flowed out compressor.Be used to freezing mixture that the second electromagnetism radial bearing 41 lowers the temperature first to flow to the gap of magnetic thrust bearing 5 through being arranged on multiple baffle plate through holes on baffle plate 46, then flow to the coil of the second electromagnetism radial bearing 41 through being arranged on second partition through hole 441 on second partition 44, again, the cavity between outlet flow direction motor 1 and the second interference preventer 45 through being arranged on the second cooling channel on the second interference preventer 45.
Be used to freezing mixture that the second electromagnetism radial bearing 41 lowers the temperature in the process of magnetic thrust bearing 5 of flowing through, reduced the temperature of magnetic thrust bearing, improved the stability of magnetic thrust bearing 5.
Multiple baffle plate through holes circumferentially arrange equably along line shaft 2.Further improve the cooling-down effect to magnetic thrust bearing.
Compressor also comprises the motor cooling unit that utilizes freezing mixture to lower the temperature for motor 1, and motor cooling unit comprises the 3rd coolant inlet, the first cooling flowing path and the second cooling flowing path.The first cooling flowing path is arranged on the stator periphery of motor 1, and the import of the first cooling flowing path communicates with the 3rd coolant inlet.The second cooling flowing path is the gap between stator and the rotor of motor 1, and the import of the second cooling flowing path communicates with the outlet of the first cooling flowing path.
Be used to freezing mixture that motor 1 lowers the temperature, be used to the freezing mixture that the first electromagnetism radial bearing 31 lowers the temperature and the freezing mixture that is used to the second electromagnetism radial bearing 41 to lower the temperature to be introduced by different imports respectively.
Compressor also comprises the first housing that is located at motor 1 periphery, the inner peripheral surface butt of the outer circumferential face of the stator of motor 1 and the first housing, and the first cooling flowing path is the spiral groove being opened on the inner peripheral surface of the first housing.
Freezing mixture start from one end of motor 1 to flow through the spirally periphery of motor, the gap between rotor and the stator of the other end flow direction motor of motor, the then cavity between flow direction motor 1 and the second interference preventer 45.Freezing mixture is flowed through in the process of periphery of motor 1 spirally, has effectively reduced the temperature of motor 1.The freezing mixture flowing out from the first cooling flowing path, the gap between rotor and the stator of flow direction motor 1, reduces the temperature of the coil of motor 1 further.
The first cooling flowing path is the groove being opened on the first housing, is conducive to simplify the structure of compressor.Reduce the part of compressor, reduced the complexity of compressor bank process of assembling.
Groove is the spiral groove being arranged on the inner peripheral surface of the first housing.Effectively increase the area of contact that has arrived freezing mixture and motor 1.Further, improved the cooling-down effect to motor 1.Be conducive to improve the stability of compressor.
Cooling unit also comprises the coolant outlet of the freezing mixture for drawing the first cooling unit and the second cooling unit, and wherein, the freezing mixture of motor cooling unit is drawn from coolant outlet.
Coolant outlet communicates with the cavity between motor 1 and the second interference preventer 45.
As the refrigerant of freezing mixture after the first coolant inlet and the first coolant channel, the cavity between flow direction motor 1 and the second interference preventer 45.
As the refrigerant of freezing mixture after the second coolant inlet and the second coolant channel, the cavity between flow direction motor 1 and the second interference preventer 45.
Be used to freezing mixture that motor 1 lowers the temperature, be used to the freezing mixture that the first electromagnetism radial bearing 31 lowers the temperature and the freezing mixture that is used to the second electromagnetism radial bearing 41 to lower the temperature to be drawn by same coolant outlet.
The present embodiment also provides a kind of cold water type air conditioner group, and this cold water type air conditioner group comprises above-mentioned compressor.Further, above-mentioned compressor is centrifugal compressor.
These are only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (16)
1. a compressor, is characterized in that, described compressor comprises:
Motor (1);
Line shaft (2), described line shaft (2) is in transmission connection with described motor (1);
Bearing device, described bearing device comprises at least one electromagnetic bearing of the described line shaft of supporting (2);
Cooling unit, described cooling unit comprises that utilizing freezing mixture is the bearing cooling unit of described at least one electromagnetic bearing cooling.
2. compressor according to claim 1, is characterized in that,
Described at least one electromagnetic bearing comprises the first electromagnetism radial bearing (31), and described the first electromagnetism radial bearing (31) is supported on the first end of described line shaft (2);
Described bearing cooling unit comprises that utilizing freezing mixture is the first cooling unit of described the first electromagnetism radial bearing (31) cooling, described the first cooling unit comprises the first coolant inlet and the first coolant channel, the import of described the first coolant channel communicates with described the first coolant inlet, and the outlet of described the first coolant channel is towards described motor (1) and for described freezing mixture being guided into the gap between stator and the rotor of described motor (1).
3. compressor according to claim 2, it is characterized in that, described bearing device also comprises the first interference preventer (35) being arranged between described the first electromagnetism radial bearing (31) and described motor (1), and the described outlet of described the first coolant channel is arranged on described the first interference preventer (35).
4. compressor according to claim 2, it is characterized in that, described bearing device also comprises the clutch shaft bearing housing and the first dividing plate (34) being connected with described clutch shaft bearing housing that are arranged on outside described the first electromagnetism radial bearing (31), described the first coolant channel comprises multiple the first bulkhead through-holes (341) that are arranged on described the first dividing plate (34), and described multiple the first bulkhead through-holes (341) are all arranged at the position corresponding with the coil of described the first electromagnetism radial bearing (31).
5. compressor according to claim 4, is characterized in that, described multiple the first bulkhead through-holes (341) circumferentially arrange equably along described line shaft (2).
6. compressor according to claim 4, is characterized in that, described bearing device also comprises:
Aiding support module, described aiding support module and described line shaft (2) arrange coaxially;
Testing module, described testing module and described line shaft (2) arrange coaxially,
Wherein, described aiding support module and described testing module are all positioned at a side relative with described the first electromagnetism radial bearing (31) of described the first dividing plate (34), the outer circumferential face of described aiding support module and described testing module all communicates with described multiple the first bulkhead through-holes (341) with the cavity that the inner peripheral surface of described clutch shaft bearing housing forms, and described cavity communicates with described the first coolant inlet.
7. according to the compressor described in any one in claim 2 to 6, it is characterized in that,
Described at least one electromagnetic bearing also comprises the second electromagnetism radial bearing (41), and described the second electromagnetism radial bearing (41) is supported on the second end of described line shaft (2);
Described bearing cooling unit also comprises that utilizing freezing mixture is the second cooling unit of described the second electromagnetism radial bearing (41) cooling, described the second cooling unit comprises the second coolant inlet and the second coolant channel, the import of described the second coolant channel communicates with described the second coolant inlet, and the outlet of described the second coolant channel is towards described motor.
8. compressor according to claim 7, it is characterized in that, described bearing device also comprises the second interference preventer (45) being arranged between described the second electromagnetism radial bearing (41) and described motor (1), and the described outlet of described the second coolant channel is arranged on described the second interference preventer (45).
9. compressor according to claim 7, it is characterized in that, described bearing device also comprises the second bearing housing and the second partition (44) being connected with described the second bearing housing that are arranged on outside described the second electromagnetism radial bearing (41), and described the second coolant channel comprises the multiple second partition through holes (441) that are arranged on described second partition (44).
10. compressor according to claim 7, is characterized in that,
Described bearing device also comprises baffle plate (46), and described baffle plate (46) is positioned at the second end of described line shaft (2);
Described at least one electromagnetic bearing also comprises magnetic thrust bearing (5), and described magnetic thrust bearing is positioned at the second end of described line shaft (2), described magnetic thrust bearing (5) and described baffle plate (46) butt;
Described the second coolant channel comprises multiple baffle plate through holes of being opened on described baffle plate (46) and the gap of described magnetic thrust bearing (5).
11. compressors according to claim 10, is characterized in that, described multiple baffle plate through holes circumferentially arrange equably along described line shaft (9).
12. compressors according to claim 7, is characterized in that, described compressor also comprises that utilizing freezing mixture is the motor cooling unit of described motor (1) cooling, and described motor cooling unit comprises:
The 3rd coolant inlet;
The first cooling flowing path, described the first cooling flowing path is arranged on the stator periphery of described motor (1), and the import of described the first cooling flowing path communicates with described the 3rd coolant inlet;
The second cooling flowing path, described the second cooling flowing path is the gap between stator and the rotor of described motor (1), the import of described the second cooling flowing path communicates with the outlet of described the first cooling flowing path.
13. compressors according to claim 12, described compressor also comprises the first housing that is located at described motor (1) periphery, the outer circumferential face of the stator of described motor (1) and the inner peripheral surface butt of described the first housing, described the first cooling flowing path is the spiral groove being opened on the inner peripheral surface of described the first housing.
14. compressors according to claim 12, it is characterized in that, described cooling unit also comprises the coolant outlet of the freezing mixture for drawing described the first cooling unit and described the second cooling unit, and wherein, the freezing mixture of described motor cooling unit is drawn from described coolant outlet.
15. 1 kinds of cold water type air conditioner groups, is characterized in that, described cold water type air conditioner group comprises the compressor described in any one in claim 1 to 14.
16. cold water type air conditioner groups according to claim 15, is characterized in that, described compressor is centrifugal compressor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077417.3U CN203702592U (en) | 2014-02-21 | 2014-02-21 | Compressor and cold water type air conditioning unit with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420077417.3U CN203702592U (en) | 2014-02-21 | 2014-02-21 | Compressor and cold water type air conditioning unit with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203702592U true CN203702592U (en) | 2014-07-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420077417.3U Expired - Lifetime CN203702592U (en) | 2014-02-21 | 2014-02-21 | Compressor and cold water type air conditioning unit with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203702592U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632636A (en) * | 2014-02-21 | 2015-05-20 | 珠海格力电器股份有限公司 | Compressor, cooling method of compressor and cold water type air conditioning unit |
| CN107733163A (en) * | 2017-11-06 | 2018-02-23 | 珠海格力电器股份有限公司 | Motor, centrifugal compressor and air conditioning unit |
| CN109072928A (en) * | 2016-11-22 | 2018-12-21 | 填易涡轮机械商贸有限公司 | Turbo-compressor including intercooler |
| CN110165834A (en) * | 2019-07-03 | 2019-08-23 | 天津飞旋科技有限公司 | A kind of fountain cooling device for magnetic suspension compressor |
| CN111486112A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Magnetic suspension centrifugal compressor and air conditioning system |
-
2014
- 2014-02-21 CN CN201420077417.3U patent/CN203702592U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632636A (en) * | 2014-02-21 | 2015-05-20 | 珠海格力电器股份有限公司 | Compressor, cooling method of compressor and cold water type air conditioning unit |
| CN104632636B (en) * | 2014-02-21 | 2017-12-15 | 珠海格力电器股份有限公司 | Compressor, cooling method of compressor and cold water type air conditioning unit |
| CN109072928A (en) * | 2016-11-22 | 2018-12-21 | 填易涡轮机械商贸有限公司 | Turbo-compressor including intercooler |
| CN107733163A (en) * | 2017-11-06 | 2018-02-23 | 珠海格力电器股份有限公司 | Motor, centrifugal compressor and air conditioning unit |
| CN107733163B (en) * | 2017-11-06 | 2020-06-16 | 珠海格力电器股份有限公司 | Motor, centrifugal compressor and air conditioning unit |
| CN111486112A (en) * | 2019-01-29 | 2020-08-04 | 青岛海尔智能技术研发有限公司 | Magnetic suspension centrifugal compressor and air conditioning system |
| CN110165834A (en) * | 2019-07-03 | 2019-08-23 | 天津飞旋科技有限公司 | A kind of fountain cooling device for magnetic suspension compressor |
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| C14 | Grant of patent or utility model | ||
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| AV01 | Patent right actively abandoned |
Granted publication date: 20140709 Effective date of abandoning: 20171215 |
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| AV01 | Patent right actively abandoned |