CN206071903U - The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor - Google Patents
The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor Download PDFInfo
- Publication number
- CN206071903U CN206071903U CN201621081595.9U CN201621081595U CN206071903U CN 206071903 U CN206071903 U CN 206071903U CN 201621081595 U CN201621081595 U CN 201621081595U CN 206071903 U CN206071903 U CN 206071903U
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- rotor
- sheath
- spiral case
- magnetic suspension
- cooler
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Abstract
The utility model discloses the rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor, including pedestal, magnetic suspension bearing, rotor, stator, impeller, spiral case and one end open, the closed sheath of the other end, magnetic suspension bearing and stator are supported in pedestal, sheath is arranged in magnetic suspension bearing and stator, the opening spiral case of sheath is fixedly connected, impeller is in spiral case and is fixedly connected with the rotor, rotor is arranged in sheath, also include spiral case drainage tube, cooler, sheath air inlet pipe and diffuser, one end of spiral case drainage tube is connected with spiral case, the other end is connected with cooler, one end of sheath air inlet pipe is connected with cooler, the other end is connected with sheath, diffuser is in spiral case；Backflow road is formed between one side end face of impeller and spiral case, the backflow road is connected with the entrance of diffuser.This utility model does not affect rotor maximum speed without the need for cooling fan is set up on rotor；Without the need for dynamic sealing, gas leakage is not resulted in.
Description
Technical field：
This utility model is related to a kind of rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor.
Background technology：
Isolation rotor structure magnetic suspension motor have good sealing, it is adaptable to various requirement fine vacuum, zero leakage or
The occasion of toxic and harmful.But wrapped up by sheath due to isolating rotor in rotor structure, do not have in sheath or only have
A small amount of gas flowing, and only heat convection is far below by radiation heat transfer efficiency, therefore the heat that rotor is produced is difficult to discharge,
Easily cause rotor and cross cause thermal damage.
Therefore, it is necessory to be improved to solve the deficiency of prior art to prior art.
Utility model content：
This utility model is to provide a kind of isolation rotor magnetic suspension electricity to solve the problems, such as above-mentioned prior art
The rotor fan-free backflow air-cooled structure of machine.
The technical scheme adopted by this utility model has：The air-cooled knot of rotor fan-free backflow of isolation rotor magnetic suspension motor
Structure, including pedestal, magnetic suspension bearing, rotor, stator, impeller, spiral case and one end open, the closed sheath of the other end are described
Magnetic suspension bearing and stator are supported in pedestal, and sheath is arranged in magnetic suspension bearing and stator, and the two ends of sheath stretch in
Outside pedestal, the opening spiral case of sheath is fixedly connected, and impeller is in spiral case and is fixedly connected with the rotor, and rotor is arranged in sheath
It is interior, also including spiral case drainage tube, cooler, sheath air inlet pipe and diffuser, one end and the spiral case phase of the spiral case drainage tube
Connection, the other end are connected with cooler, and one end of sheath air inlet pipe is connected with cooler, and the other end is connected with sheath,
Diffuser is in spiral case；
Backflow road is formed between one side end face of the impeller and spiral case, the backflow road is mutually passed through with the entrance of diffuser
It is logical.
Further, the sheath air inlet pipe is provided with flow-limiting valve.
This utility model has the advantages that：
1) this utility model does not affect rotor maximum speed without the need for cooling fan is set up on rotor.
2) without the need for dynamic sealing, gas leakage is not resulted in.
3) compared with air intake duct is back to, the residual compression energy that cooling gas can be reclaimed in diffuser inlet is back to, is entered
And reduce the impact of the efficiency to blower fan.
Description of the drawings：
Fig. 1 is this utility model structure chart.
Specific embodiment：
Below in conjunction with the accompanying drawings this utility model is further described.
As shown in figure 1, the rotor fan-free backflow air-cooled structure of this utility model isolation rotor magnetic suspension motor, including base
Seat 11, magnetic suspension bearing 12, rotor 13, stator 14, impeller 16, spiral case 17 and one end open, the closed sheath 15 of the other end,
Magnetic suspension bearing 12 and stator 14 are supported in pedestal 11, and sheath 15 is arranged in magnetic suspension bearing 12 and stator 14, and sheath
15 two ends are stretched in outside pedestal 11, and the opening spiral case 17 of sheath 15 is fixedly connected, impeller 16 in spiral case 17 and with turn
Son 13 is fixedly connected, and rotor 13 is arranged in sheath 15.
For ease of cool down rotor, this utility model be additionally provided with spiral case drainage tube 21, cooler 22, sheath air inlet pipe 23 and
Diffuser 24, one end of spiral case drainage tube 21 are connected with spiral case 17, and the other end is connected with cooler 22, sheath air inlet pipe 23
One end be connected with cooler 22, the other end is connected with sheath 15, and diffuser 24 is in the spiral case 17.
Be formed with backflow road 100 between the right side of the impeller 16 in this utility model and spiral case 17, the backflow road 100 with
The entrance of diffuser 24 connects.
Flow-limiting valve 25 is provided with sheath air inlet pipe 23.
Gas pressure and temperature in spiral case 17 is higher, therefore can flow into cooler automatically by spiral case drainage tube 21
22, in cooler, the heat of spiral case gas is taken away by air-cooled or water-cooling pattern, and gas temperature is reduced.Gas after cooling
Still there is higher pressure, thus can enter in sheath 15 by sheath air inlet pipe 23 and after 25 appropriate decompression of flow-limiting valve.
Cooling gas flow through, absorb along 13 surface of rotor the heat of rotor, so as to cool down rotor.Cooling gas pass through after flowing through rotor
Backflow road 100 is emitted into diffuser inlet.
As diffuser inlet and spiral case have a larger pressure differential, and the linear loss that gas flows along above-mentioned path is simultaneously
Less, so cooling gas still have more pressure energy and kinetic energy here.By coolant flow channel, return way structure and flow-limiting valve
Aperture can farthest reduce gas energy loss, also not result in gas leakage.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, some improvement can also be made on the premise of without departing from this utility model principle, these improvement also should be regarded as
Protection domain of the present utility model.
Claims (2)
1. the rotor fan-free backflow air-cooled structure of a kind of isolation rotor magnetic suspension motor, including pedestal (11), magnetic suspension bearing
(12), rotor (13), stator (14), impeller (16), spiral case (17) and one end open, the closed sheath of the other end (15), institute
State magnetic suspension bearing (12) and stator (14) is supported in pedestal (11), sheath (15) is arranged in magnetic suspension bearing (12) and stator
(14) in, and the two ends of sheath (15) stretch in pedestal (11) outward, and the opening spiral case (17) of sheath (15) is fixedly connected, impeller
(16) it is fixedly connected in the spiral case (17) and with rotor (13), rotor (13) is arranged in sheath (15), it is characterised in that:Also
Including spiral case drainage tube (21), cooler (22), sheath air inlet pipe (23) and diffuser (24), the spiral case drainage tube (21)
One end be connected with spiral case (17), the other end is connected with cooler (22), one end of sheath air inlet pipe (23) and cooler
(22) it is connected, the other end is connected with sheath (15), diffuser (24) is in spiral case (17)；
Backflow road (100), the backflow road (100) and diffusion are formed between one side end face of the impeller (16) and spiral case (17)
The entrance of device (24) connects.
2. the rotor fan-free backflow air-cooled structure of rotor magnetic suspension motor is isolated as claimed in claim 1, it is characterised in that：
The sheath air inlet pipe (23) is provided with flow-limiting valve (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081595.9U CN206071903U (en) | 2016-09-26 | 2016-09-26 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621081595.9U CN206071903U (en) | 2016-09-26 | 2016-09-26 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206071903U true CN206071903U (en) | 2017-04-05 |
Family
ID=58440834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621081595.9U Active CN206071903U (en) | 2016-09-26 | 2016-09-26 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206071903U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194785A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
| WO2019075921A1 (en) * | 2017-10-16 | 2019-04-25 | 格力电器（武汉）有限公司 | Compressor and air conditioner having same |
| CN117748819A (en) * | 2024-02-21 | 2024-03-22 | 中国人民解放军海军工程大学 | Impeller cantilever type mounted two-fulcrum magnetic levitation pump set structure assembly |
-
2016
- 2016-09-26 CN CN201621081595.9U patent/CN206071903U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106194785A (en) * | 2016-09-26 | 2016-12-07 | 南京磁谷科技有限公司 | The rotor fan-free backflow air-cooled structure of isolation rotor magnetic suspension motor |
| WO2019075921A1 (en) * | 2017-10-16 | 2019-04-25 | 格力电器（武汉）有限公司 | Compressor and air conditioner having same |
| CN117748819A (en) * | 2024-02-21 | 2024-03-22 | 中国人民解放军海军工程大学 | Impeller cantilever type mounted two-fulcrum magnetic levitation pump set structure assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: No. 99, Jinxin Middle Road, Jiangning District, Nanjing City, Jiangsu Province Patentee after: Nanjing Cigu Technology Co., Ltd Address before: Nine No. 211102 Bamboo Road, Jiangning Development Zone, Nanjing, Jiangsu, 100 Patentee before: NANJING CIGU LIMITED Corp. |
|
| CP03 | Change of name, title or address |