CN207568890U - A kind of magnetic suspension compressor structure - Google Patents
A kind of magnetic suspension compressor structure Download PDFInfo
- Publication number
- CN207568890U CN207568890U CN201721661989.6U CN201721661989U CN207568890U CN 207568890 U CN207568890 U CN 207568890U CN 201721661989 U CN201721661989 U CN 201721661989U CN 207568890 U CN207568890 U CN 207568890U
- Authority
- CN
- China
- Prior art keywords
- impeller
- adjustment ring
- rotor
- balancing frame
- spiral case
- 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.)
- Withdrawn - After Issue
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 26
- 238000009423 ventilation Methods 0.000 claims abstract description 6
- 230000000694 effects Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 210000000080 chela (arthropods) Anatomy 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Abstract
The utility model discloses a kind of magnetic suspension compressor structures, stator is fixed in casing, rotor is arranged in stator, and rotor by magnetic bearing rotating support in casing, sensor stand is fixed on magnetic bearing, shaft position sensor is set on sensor stand, impeller is fixedly connected with the rotor, spiral case is fixed on casing, impeller is set in spiral case, balancing frame, impeller clearance adjustment ring and axial gap adjustment ring are sheathed on rotor, and impeller clearance adjustment ring, balancing frame and axial gap adjustment ring are axially positioned on the step surface of rotor by impeller；Axial detector gap is formed between the right side of the balancing frame and the left side of sensor stand, sealing ring is fixed on spiral case, and ventilation gap is formed between sealing ring and balancing frame.The utility model is compact-sized, easy for installation, and the gap and impeller of balancing frame and shaft position sensor and the gap of spiral case are easily adjusted, and sealing effect is good.
Description
Technical field：
The utility model is related to a kind of magnetic suspension compressor structures.
Background technology：
The impeller pressure ratio of compressor is generally all higher, this can make axial force suffered by compressor drum larger, in order to reduce
The load of thrust bearing generally can all set balancing disc structure for balancing a part of axial force on rotor.For magnetcisuspension
For floating compressor, can balancing frame equally be set for the considerations of reducing axial magnetic bearing load.
After impeller and balancing frame in existing magnetic suspension compressor are fixed, in the detection for needing adjustment shaft position sensor
When gap and impeller clearance, need to remove the balancing frame on rotor and impeller, then remove lathe process, reach required gap
It is installed after it is required that, repeats adjustment size in this way, can generate using rotor as origin reference location, axle sleeve, sealing on rotor
Circle can generate axial displacement, and the part above rotor is excessive, and each part has the tolerance dimension of oneself, is all assemblied in
Above rotor, certain cumulative limit will be generated, and the part assembled on rotor is more, the technique of processing will be more multiple
Miscellaneous, part may need lathe process, and grinding machine processing, also pincers worker, the time of processing is longer, and part increases, material cost
It is increased by.
Utility model content：
The utility model is to provide a kind of magnetic suspension compressor structure to solve the above-mentioned problems of the prior art.
There is technical solution used by the utility model：A kind of magnetic suspension compressor structure, including casing, stator, rotor,
Magnetic bearing, spiral case, impeller, sensor stand and shaft position sensor, the stator are fixed in casing, and rotor is arranged in fixed
In son, and rotor by magnetic bearing rotating support in casing, sensor stand is fixed on magnetic bearing, shaft position sensor
On sensor stand, impeller is fixedly connected with the rotor, and spiral case is fixed on casing, and impeller is set in spiral case, is further included flat
Weigh disk, sealing ring, impeller clearance adjustment ring and axial gap adjustment ring, between the balancing frame, impeller clearance adjustment ring and axial direction
Gap adjustment ring is sheathed on rotor, and impeller clearance adjustment ring and axial gap adjustment ring are located at the left and right two of balancing frame respectively
Impeller clearance adjustment ring, balancing frame and axial gap adjustment ring are axially positioned on the step surface of rotor by side, impeller；It is described flat
It weighing and is formed with axial detector gap between the right side of disk and the left side of sensor stand, sealing ring is fixed on spiral case, and
Ventilation gap is formed between sealing ring and balancing frame；
The balancing frame includes an ontology with large round end surface and the cone-shaped of roundlet end face, the large round end surface of the ontology
Outer wall extend outwardly and form monitor station, axial detector gap is formed between the right side of the monitor station and sensor stand；
The conical surface wall of ontology is equipped with several sealed steps；
The axis direction of the sealing ring is equipped with taper hole, and the inner wall of taper hole is equipped with sealing tooth.
Further, the axis hole of the balancing frame is equipped with to carry out the first of axially position to axial gap adjustment ring
Step surface.
Further, the axis hole of the spiral case is equipped with to carry out second of axially position to impeller clearance adjustment ring
Terrace.
The utility model has the advantages that：
1) the utility model is compact-sized, easy for installation, the gap and impeller of balancing frame and shaft position sensor with
The gap of spiral case is easily adjusted, and sealing effect is good；
2) balancing frame in the utility model is provided simultaneously with the functions such as balancing axial thrust, sealing and axial displacement detection, makes
Compressor arrangement is more simple and compact, can effectively reduce process time and cost.
Description of the drawings：
Fig. 1 is the utility model structure chart.
Fig. 2 be the utility model in spiral case, impeller clearance adjustment ring, sealing ring, balancing frame and axial gap adjustment ring it
Between explosive view.
Fig. 3 is the partial enlarged view of sealing ring and balancing frame on rotor in the utility model.
Fig. 4 is the structure chart of sealing ring and balancing frame in the utility model.
Specific embodiment：
The utility model will be further described below with reference to the accompanying drawings.
As shown in Figure 1 to Figure 4, the utility model discloses a kind of magnetic suspension compressor structure, including casing 11, stator 12, rotor
13rd, magnetic bearing 14, spiral case 15, impeller 16, sensor stand 21 and shaft position sensor 22, stator 12 are fixed on casing 11
Interior, rotor 13 is arranged in stator 12, and rotor 13 by 14 rotating support of magnetic bearing in casing 11, sensor stand 21 is solid
Due on magnetic bearing 14, shaft position sensor 22 is set on sensor stand 21, and impeller 16 is fixedly connected with rotor 13, spiral case
15 are fixed on casing 11, and impeller 16 is set in spiral case 15.Further include balancing frame 3, sealing ring 4, impeller clearance adjustment ring 5 and axis
To gap adjustment ring 6, balancing frame 3, impeller clearance adjustment ring 5 and axial gap adjustment ring 6 are sheathed on rotor 13, and impeller
Gap adjustment ring 5 and axial gap adjustment ring 6 are located at the left and right sides of balancing frame 3 respectively, and impeller 16 is by impeller clearance adjustment ring
5th, balancing frame 3 and axial gap adjustment ring 6 are axially positioned on the step surface of rotor 13；The right side of balancing frame 3 and sensor
Axial detector gap 200 is formed between the left side of stent 21, sealing ring 4 is fixed on spiral case 15, and sealing ring 4 and balance
Ventilation gap is formed between disk 3.
Balancing frame 3 in the utility model includes an ontology 31 with large round end surface and the cone-shaped of roundlet end face, should
The outer wall of the large round end surface of ontology 31 extends outwardly and forms monitor station 32, the right side of the monitor station 32 and sensor stand 21
Between form axial detector gap 200.
Several sealed steps 33 are equipped on the conical surface wall of ontology 31.
The axis direction of sealing ring 4 is equipped with taper hole 41, and the inner wall of taper hole 41 is equipped with sealing tooth 42, seals tooth 42 and sealing
Ventilation gap is formed between step 33.Air-flow enters from airspace, into row buffering at sealing tooth 42 and sealed step 33, surely
Determine host gas pressure.It seals tooth 42 and the cooperation of sealed step 33 ensures small ventilation gap, pass through during rotor operation
Break-in forms smaller leakage-gap, ensures that the leakage rate of compressor is minimum.
The First terrace 34 for carrying out axially position to axial gap adjustment ring 6 is equipped on the axis hole of balancing frame 3.
When rotor is installed, need to remain with fixed interval (FI) between shaft position sensor and balancing frame 3, the gap is by adjusting axial gap tune
The domain 6 is realized.The axial gap adjustment ring 6 for replacing different-thickness can be to the axial direction between balancing frame 3 and sensor stand 21
The size of detector gap 200 is adjusted.Shaft position sensor 22 is detected obtains working as rotor with the distance of balance side surface
Front position provides signal for axial magnetic bearing control.
The second step face 152 for carrying out axially position to impeller clearance adjustment ring 5 is equipped on the axis hole of spiral case 15.
Impeller clearance adjustment ring 5 is replaced, the gap between impeller 16 and spiral case 15 can be adjusted.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, several improvement can also be made under the premise of the utility model principle is not departed from, these improvement also should be regarded as
The scope of protection of the utility model.
Claims (3)
1. a kind of magnetic suspension compressor structure, including casing (11), stator (12), rotor (13), magnetic bearing (14), spiral case
(15), impeller (16), sensor stand (21) and shaft position sensor (22), the stator (12) are fixed on casing (11)
Interior, rotor (13) is arranged in stator (12), and rotor (13) is interior in casing (11) by magnetic bearing (14) rotating support, sensing
Device stent (21) is fixed on magnetic bearing (14), and shaft position sensor (22) is on sensor stand (21), impeller (16)
It is fixedly connected with rotor (13), spiral case (15) is fixed on casing (11), and in spiral case (15), feature exists impeller (16)
In：Further include balancing frame (3), sealing ring (4), impeller clearance adjustment ring (5) and axial gap adjustment ring (6), the balancing frame
(3), impeller clearance adjustment ring (5) and axial gap adjustment ring (6) are sheathed on rotor (13), and impeller clearance adjustment ring
(5) and axial gap adjustment ring (6) is located at the left and right sides of balancing frame (3) respectively, and impeller (16) is by impeller clearance adjustment ring
(5), balancing frame (3) and axial gap adjustment ring (6) are axially positioned on the step surface of rotor (13)；The balancing frame (3)
Axial detector gap (200) is formed between right side and the left side of sensor stand (21), sealing ring (4) is fixed on spiral case
(15) on, and ventilation gap is formed between sealing ring (4) and balancing frame (3)；
The ontology (31) that the balancing frame (3) has large round end surface and the cone-shaped of roundlet end face including one, the ontology (31)
The outer wall of large round end surface extends outwardly and forms monitor station (32), the right side of the monitor station (32) and sensor stand (21) it
Between form axial detector gap (200)；The conical surface wall of ontology (31) is equipped with several sealed steps (33)；
The axis direction of the sealing ring (4) is equipped with taper hole (41), and the inner wall of taper hole (41) is equipped with sealing tooth (42).
2. magnetic suspension compressor structure as described in claim 1, it is characterised in that：The axis hole of the balancing frame (3) is equipped with
For carrying out the First terrace (34) of axially position to axial gap adjustment ring (6).
3. magnetic suspension compressor structure as described in claim 1, it is characterised in that：The axis hole of the spiral case (15), which is equipped with, to be used
In the second step face (152) that axially position is carried out to impeller clearance adjustment ring (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721661989.6U CN207568890U (en) | 2017-12-04 | 2017-12-04 | A kind of magnetic suspension compressor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721661989.6U CN207568890U (en) | 2017-12-04 | 2017-12-04 | A kind of magnetic suspension compressor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207568890U true CN207568890U (en) | 2018-07-03 |
Family
ID=62689957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721661989.6U Withdrawn - After Issue CN207568890U (en) | 2017-12-04 | 2017-12-04 | A kind of magnetic suspension compressor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207568890U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939699A (en) * | 2017-12-04 | 2018-04-20 | 南京磁谷科技有限公司 | A kind of magnetic suspension compressor structure |
| CN111188778A (en) * | 2018-11-14 | 2020-05-22 | 财团法人工业技术研究院 | Magnetic suspension centrifugal compressor and control method thereof |
| CN111765114A (en) * | 2020-06-17 | 2020-10-13 | 新乡航空工业(集团)有限公司 | Axial force balance structure of boosting type air-floating turbine cooler |
-
2017
- 2017-12-04 CN CN201721661989.6U patent/CN207568890U/en not_active Withdrawn - After Issue
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107939699A (en) * | 2017-12-04 | 2018-04-20 | 南京磁谷科技有限公司 | A kind of magnetic suspension compressor structure |
| CN107939699B (en) * | 2017-12-04 | 2023-12-26 | 南京磁谷科技股份有限公司 | Magnetic suspension compressor structure |
| CN111188778A (en) * | 2018-11-14 | 2020-05-22 | 财团法人工业技术研究院 | Magnetic suspension centrifugal compressor and control method thereof |
| US10920784B2 (en) | 2018-11-14 | 2021-02-16 | Industrial Technology Research Institute | Magnetic bearing centrifugal compressor and controlling method thereof |
| CN111188778B (en) * | 2018-11-14 | 2021-08-06 | 财团法人工业技术研究院 | Magnetic suspension centrifugal compressor and control method thereof |
| CN111765114A (en) * | 2020-06-17 | 2020-10-13 | 新乡航空工业(集团)有限公司 | Axial force balance structure of boosting type air-floating turbine cooler |
| CN111765114B (en) * | 2020-06-17 | 2021-11-26 | 新乡航空工业(集团)有限公司 | Axial force balance structure of boosting type air-floating turbine cooler |
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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 Ltd.,Corp. |
|
| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180703 Effective date of abandoning: 20231226 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20180703 Effective date of abandoning: 20231226 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |