CN210111789U - A fountain cooling device for magnetic suspension compressor - Google Patents
A fountain cooling device for magnetic suspension compressor Download PDFInfo
- Publication number
- CN210111789U CN210111789U CN201921026835.9U CN201921026835U CN210111789U CN 210111789 U CN210111789 U CN 210111789U CN 201921026835 U CN201921026835 U CN 201921026835U CN 210111789 U CN210111789 U CN 210111789U
- Authority
- CN
- China
- Prior art keywords
- cooling
- port
- magnetic suspension
- condenser
- suspension compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a spray-type cooling device for a magnetic suspension compressor, which comprises a condenser, a flow controller, an evaporator and a motor shell; the top of the motor shell is sequentially provided with a first cooling port and a third cooling port; the bottom of the motor shell is provided with a second discharge port; the air outlet of the impeller is connected with the air inlet of the condenser, the coolant outlet of the condenser is respectively connected with the first cooling port, the third cooling port and one end of the throttler, and the other end of the throttler is connected with the liquid inlet of the evaporator. The utility model relates to a fountain cooling device for magnetic suspension compressor, the cooperation uses condenser, flow controller, evaporimeter and sprays the hole, can disperse the spray cooling to the inside motor stator winding tip of magnetic suspension compressor, realizes that the inside each position temperature distribution of magnetic suspension compressor tends to evenly, promotes the work efficiency of magnetic suspension compressor, increases the operational reliability of magnetic suspension compressor, increase of service life reduces and maintains the maintenance frequency.
Description
Technical Field
The utility model belongs to magnetic suspension compressor cooling field especially relates to a fountain cooling device for magnetic suspension compressor.
Background
Under the prior art condition, the magnetic suspension compressor can have higher rotating speed due to the use of a magnetic suspension bearing control technology, so that the internal cooling of the magnetic suspension compressor becomes an important means for ensuring the performance of the magnetic suspension compressor.
Disclosure of Invention
In view of this, the utility model aims at providing a fountain cooling device for magnetic suspension compressor, the cooperation uses the condenser, the flow controller, the evaporimeter and spray the hole, can disperse the cooling that sprays to the inside motor stator winding end of magnetic suspension compressor, the coolant can pass through the air gap between motor stator and the electric motor rotor simultaneously, also fully cool off electric motor rotor, realize that the inside each position temperature distribution of magnetic suspension compressor tends to evenly, promote magnetic suspension compressor's work efficiency, increase magnetic suspension compressor's operational reliability, and long service life, the maintenance frequency is maintained in the reduction.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a spray type cooling device for a magnetic suspension compressor comprises a condenser, a restrictor, an evaporator and a motor shell; the top of the motor shell is sequentially provided with a first cooling port and a third cooling port; the bottom of the motor shell is provided with a second discharge port; the air outlet of the impeller is connected with the air inlet of the condenser, the coolant outlet of the condenser is respectively connected with the first cooling port, the third cooling port and one end of the throttler, the other end of the throttler is connected with the liquid inlet of the evaporator, and the air outlet of the evaporator is connected with the air inlet of the impeller; the second discharge port is connected with the liquid inlet of the evaporator; the side walls of the front-end magnetic bearing and the rear-end magnetic bearing are respectively provided with an annular groove, the bearing end surfaces of the front-end magnetic bearing and the rear-end magnetic bearing opposite to the motor stator direction are respectively provided with a spraying hole, the two spraying holes are respectively communicated with the adjacent corresponding annular grooves, the two annular grooves are respectively communicated with the first cooling port and the third cooling port correspondingly, and an air gap is arranged between the motor stator and the motor rotor.
Furthermore, a spiral groove is formed in the contact position of the inner wall of the motor shell and the motor stator; the top of the motor shell is provided with a second cooling port, and the bottom of the motor shell is provided with a first discharge port; the second cooling port is connected with a coolant outlet of the condenser, one end of the spiral groove is connected with the second cooling port, the other end of the spiral groove is connected with the first discharge port, and the first discharge port is communicated with the second discharge port.
Furthermore, a wheel disc seal is arranged behind the impeller, and a fourth cooling hole is formed behind the wheel disc seal along the axial direction of the motor rotor.
Furthermore, 3-6 spraying holes are uniformly arranged on the front-end magnetic bearing.
Furthermore, 3-6 spraying holes are uniformly arranged on the rear-end magnetic bearing.
Compared with the prior art, the utility model relates to a fountain cooling device for magnetic suspension compressor has following advantage:
the utility model relates to a fountain cooling device for magnetic suspension compressor, the condenser is used in the cooperation, the flow controller, the evaporimeter and spray the hole, can disperse the spray cooling to the inside motor stator winding end of magnetic suspension compressor, the coolant can pass through the air gap between motor stator and the electric motor rotor simultaneously, also fully cool off electric motor rotor, realize that the inside each position temperature distribution of magnetic suspension compressor tends to evenly, promote magnetic suspension compressor's work efficiency, increase magnetic suspension compressor's operational reliability, prolonged service life, the maintenance frequency is maintained in the reduction.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation.
In the drawings:
fig. 1 is a schematic structural view of a spray cooling device for a magnetic levitation compressor according to an embodiment of the present invention;
fig. 2 is a schematic view of a first structure of a magnetic bearing of a spray cooling device for a magnetic levitation compressor according to an embodiment of the present invention;
fig. 3 is a second structural schematic diagram of a magnetic bearing of a spray cooling device for a magnetic levitation compressor according to an embodiment of the present invention.
Description of reference numerals:
1-a motor rotor; 2-front end magnetic bearing; 3-motor housing; 4-a motor stator; 5-a back-end magnetic bearing; 6-impeller; 7-wheel disc sealing; 8-impeller air outlet; 9-impeller air inlet; 10-a first cooling port; 20-a second cooling port; 201-spiral groove; 202-an annular groove; 203-bearing end face; 204-spray holes; 30-a third cooling port; 40-a fourth cooling port; 50-a first discharge; 60-a second discharge port; 70-a condenser; 80-a restrictor; 90-an evaporator; 100-air gap.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1-3, a spray type cooling device for a magnetic levitation compressor includes a condenser 70, a restrictor 80, an evaporator 90, and a motor housing 3; the top of the motor shell 3 is sequentially provided with a first cooling port 10 and a third cooling port 30; the bottom of the motor shell 3 is provided with a second discharge port 60; the air outlet 8 of the impeller is connected with the air inlet of the condenser 70, the coolant outlet of the condenser 70 is respectively connected with the first cooling port 10, the third cooling port 30 and one end of the throttler 80, the other end of the throttler 80 is connected with the liquid inlet of the evaporator 90, and the air outlet of the evaporator 90 is connected with the air inlet 9 of the impeller; the second discharge port 60 is connected with the liquid inlet of the evaporator 90; annular grooves 202 are formed in the side walls of the front-end magnetic bearing 2 and the rear-end magnetic bearing 5, spraying holes 204 are formed in bearing end faces 203, opposite to the direction of the motor stator 4, of the front-end magnetic bearing 2 and the rear-end magnetic bearing 5, the two spraying holes 204 are communicated with the adjacent corresponding annular grooves 202 respectively, the two annular grooves 202 are communicated with the first cooling hole 10 and the third cooling hole 30 correspondingly respectively, and an air gap 100 is formed between the motor stator 4 and the motor rotor 1.
As shown in fig. 1-3, a spiral groove 201 is formed at the contact position of the inner wall of the motor housing 3 and the motor stator 4; the top of the motor shell 3 is provided with a second cooling port 20, and the bottom of the motor shell 3 is provided with a first discharge port 50; the second cooling port 20 is connected with the coolant outlet of the condenser 70, one end of the spiral groove 201 is connected with the second cooling port 20, the other end of the spiral groove 201 is connected with the first discharge port 50, and the first discharge port 50 is communicated with the second discharge port 60.
As shown in fig. 1-3, a wheel disc seal 7 is disposed behind the impeller 6, and a fourth cooling port 40 is disposed behind the wheel disc seal 7 along the axial direction of the motor rotor 1.
As shown in fig. 1-3, 3-6 spray holes 204 are uniformly arranged on the front magnetic bearing 2.
As shown in fig. 1-3, 3-6 spray holes 204 are uniformly arranged on the rear magnetic bearing 5.
In the present embodiment, the magnetic levitation compressor comprises, in order from front to back: the device comprises an impeller 1, a wheel disc seal 7, a motor rotor 1, a front end magnetic bearing 2, a motor stator 4 and a rear end magnetic bearing 5.
As shown in fig. 1, the condenser 70 outputs three coolant paths:
the first path of coolant enters from the first cooling port 10, at this time, the coolant enters into an annular closed cavity formed by an annular groove 202 arranged on the front-end magnetic bearing 2 and the inner wall of the motor housing 3, the coolant further flows to a spraying hole 204 arranged on the bearing end face 203 in the annular closed cavity, and the spraying hole 204 sprays atomized coolant to the end part of the front-end winding of the motor stator 4 for spraying cooling.
The second path of coolant enters from the third cooling port 30, at this time, the coolant enters into an annular closed cavity formed by the annular groove 202 arranged on the rear-end magnetic bearing 5 and the inner wall of the motor housing 3, the coolant further flows to the spray holes 204 arranged on the bearing end surface 203 in the annular closed cavity, and the spray holes 204 spray the atomized coolant to the end part of the rear-end winding of the motor stator 4 for spray cooling.
The third path of coolant enters from the second cooling port 20, at this time, the coolant enters into a spiral cavity formed by the spiral groove 201 arranged on the inner wall of the motor housing 3 and the motor stator 4, the motor stator 4 is cooled independently, and the coolant finally flows out from the bottom of the spiral cavity and is connected with the first discharge port 50 to enter into the evaporator 90.
The fourth cooling port 40 receives the coolant gas leaked from the disk seal 7, cools the front magnetic bearing 2, further joins the coolant gas with the atomized coolant sprayed from the spray holes 204 of the front magnetic bearing 2, flows backward through the air gap 100 between the motor stator 4 and the motor rotor 1, sufficiently cools the motor rotor 1, further joins the atomized coolant sprayed from the spray holes 204 of the rear magnetic bearing 5 again, and finally is discharged into the evaporator 90 through the second discharge port 60.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. A fountain cooling device for magnetic levitation compressor characterized in that: comprises a condenser (70), a restrictor (80), an evaporator (90) and a motor shell (3); the top of the motor shell (3) is sequentially provided with a first cooling port (10) and a third cooling port (30); a second discharge port (60) is formed in the bottom of the motor shell (3); the air outlet (8) of the impeller is connected with the air inlet of the condenser (70), the coolant outlet of the condenser (70) is respectively connected with the first cooling port (10), the third cooling port (30) and one end of the throttler (80), the other end of the throttler (80) is connected with the liquid inlet of the evaporator (90), and the air outlet of the evaporator (90) is connected with the air inlet (9) of the impeller; the second discharge port (60) is connected with a liquid inlet of the evaporator (90); annular grooves (202) are formed in the side walls of the front-end magnetic bearing (2) and the rear-end magnetic bearing (5), spraying holes (204) are formed in the bearing end faces (203) of the front-end magnetic bearing (2) and the rear-end magnetic bearing (5) in the direction opposite to the motor stator (4), the two spraying holes (204) are communicated with the adjacent corresponding annular grooves (202) respectively, the two annular grooves (202) are communicated with the first cooling port (10) and the third cooling port (30) correspondingly respectively, and an air gap (100) is formed between the motor stator (4) and the motor rotor (1).
2. The spray cooling device for a magnetic levitation compressor as recited in claim 1, wherein: a spiral groove (201) is formed in the contact position of the inner wall of the motor shell (3) and the motor stator (4); the top of the motor shell (3) is provided with a second cooling port (20), and the bottom of the motor shell (3) is provided with a first discharge port (50); the second cooling port (20) is connected with a coolant outlet of the condenser (70), one end of the spiral groove (201) is connected with the second cooling port (20), the other end of the spiral groove (201) is connected with the first discharge port (50), and the first discharge port (50) is communicated with the second discharge port (60).
3. The spray cooling device for a magnetic levitation compressor as recited in claim 1, wherein: a wheel disc seal (7) is arranged behind the impeller (6), and a fourth cooling hole (40) is formed in the rear of the wheel disc seal (7) along the axial direction of the motor rotor (1).
4. The spray cooling device for a magnetic levitation compressor as recited in claim 1, wherein: the spraying holes (204) are uniformly arranged on the front-end magnetic bearing (2) by 3-6.
5. The spray cooling device for a magnetic levitation compressor as recited in claim 1, wherein: the spraying holes (204) are uniformly arranged on the rear-end magnetic bearing (5) by 3-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026835.9U CN210111789U (en) | 2019-07-03 | 2019-07-03 | A fountain cooling device for magnetic suspension compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921026835.9U CN210111789U (en) | 2019-07-03 | 2019-07-03 | A fountain cooling device for magnetic suspension compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210111789U true CN210111789U (en) | 2020-02-21 |
Family
ID=69567953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921026835.9U Active CN210111789U (en) | 2019-07-03 | 2019-07-03 | A fountain cooling device for magnetic suspension compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210111789U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
-
2019
- 2019-07-03 CN CN201921026835.9U patent/CN210111789U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212909262U (en) | Motor and vehicle | |
| CN108282056B (en) | Liquid cooling driving motor for vehicle | |
| CN210111789U (en) | A fountain cooling device for magnetic suspension compressor | |
| CN113161643B (en) | Cleaning apparatus | |
| CN111181300A (en) | Oil cooling structure of permanent magnet synchronous motor | |
| CN112994323B (en) | Motor bearing cooling structure | |
| CN114838005A (en) | Air compressor machine air-cooling structure and air compressor machine | |
| CN108194430B (en) | Side flow shielding pump for conveying gas-liquid mixed medium | |
| CN109462311A (en) | A kind of cooling system and motor | |
| CN211266681U (en) | Forced cooling type solid rotor motor | |
| CN207691624U (en) | Motor, compressor and air conditioner with same | |
| CN110165834A (en) | A kind of fountain cooling device for magnetic suspension compressor | |
| CN115224393A (en) | Liquid cooling device and battery module | |
| AU2020406176B2 (en) | Atomizer and carrier comprising same | |
| CN213981244U (en) | Air suspension centrifugal blower | |
| CN211429123U (en) | Ventilation cooling structure for high-speed permanent magnet motor | |
| CN112186920A (en) | Disc type motor cooling structure | |
| CN111756179B (en) | Motor and electric vehicle having the same | |
| CN107947477B (en) | Motor, compressor and air conditioner with same | |
| CN218940806U (en) | Rotor core and oil-cooled motor | |
| CN219893044U (en) | Rotor cooling structure, motor and vehicle | |
| CN114069969B (en) | Motor and vehicle | |
| CN116480598A (en) | Centrifugal compressor | |
| CN221081013U (en) | Stator assembly, motor and vehicle | |
| CN218733704U (en) | Oil-cooled double-motor and vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 300457 Block D, No. 90, 12th Avenue, Binhai New Area Development Zone, Tianjin Patentee after: Tianjin Feixuan Technology Co.,Ltd. Address before: 300457 Block D, No. 90, 12th Avenue, Binhai New Area Development Zone, Tianjin Patentee before: TIANJIN EMAGING TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |