CN107968530A - A kind of magnetic suspension motor radial-axial sensor integral type mounting structure - Google Patents
A kind of magnetic suspension motor radial-axial sensor integral type mounting structure Download PDFInfo
- Publication number
- CN107968530A CN107968530A CN201711453263.8A CN201711453263A CN107968530A CN 107968530 A CN107968530 A CN 107968530A CN 201711453263 A CN201711453263 A CN 201711453263A CN 107968530 A CN107968530 A CN 107968530A
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- China
- Prior art keywords
- sensor
- axial
- bearing
- detection block
- ball
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- 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.)
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Links
- 239000000725 suspension Substances 0.000 title claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 30
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 claims description 9
- 238000007689 inspection Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
- H02K11/20—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection for measuring, monitoring, testing, protecting or switching
Abstract
The invention discloses a kind of magnetic suspension motor radial-axial sensor integral type mounting structure, sensor stand is fixed on engine base by screw, detection block is arranged in sensor stand, and detection block is sheathed on bearing (ball) cover, is interference fitted between detection block and bearing (ball) cover；Formed with radial direction detector gap between the outer circle wall of detection block and the inner peripheral wall of sensor stand, formed with axial detector gap between the bottom surface of detection block and the inner wall bottom surface of sensor stand；Radial transducer is arranged on the side wall of sensor stand, and detects the change in size of radial direction detector gap, and axial sensor and nose balance sensor are arranged on the bottom wall of sensor stand, the change in size of the axial detector gap of axial sensor detection.Radial transducer and axial sensor in the present invention are installed on the outside of engine base, convenient to overhaul, replacement.
Description
Technical field：
The present invention relates to a kind of magnetic suspension motor radial-axial sensor integral type mounting structure.
Background technology：
Radially, axially sensor is the important detecting element in magnetic suspension motor, and motor will when when its work breaks down
Cisco unity malfunction.Radial transducer in existing magnetic suspension motor is installed on motor internal, and axial sensor, which is installed on, to be turned
Sub- tail end, sensor are sensing elements, under existing structure, are chronically at internal high temperature state and easily break down, and be not easy to
Maintenance.
The content of the invention：
The present invention is to provide a kind of magnetic suspension motor radial-axial in order to solve the above-mentioned problems of the prior art and pass
Sensor integral type mounting structure.
The technical solution adopted in the present invention has：A kind of magnetic suspension motor radial-axial sensor integral type mounting structure,
Including rotor, engine base, bearing, shaft end nut and bearing (ball) cover, the rotor by bearing rotating support in engine base, bearing end
Lid is sheathed on rotor, and one end of bearing (ball) cover is contacted on the inner ring of bearing, and bearing is axially positioned in engine base, axis
End nut is threaded in the end of rotor, and bearing (ball) cover is axially positioned on rotor by shaft end nut, further includes sensor
Stent, radial transducer, axial sensor, nose balance sensor and detection block, the sensor stand are fixed by screw
In on engine base, detection block is arranged in sensor stand, and detection block is sheathed on bearing (ball) cover, between detection block and bearing (ball) cover
Interference fit；Formed with radial direction detector gap, detection block between the outer circle wall of detection block and the inner peripheral wall of sensor stand
Bottom surface and sensor stand inner wall bottom surface between formed with axial detector gap；Radial transducer is arranged on sensor branch
On the side wall of frame, and the change in size of radial direction detector gap is detected, axial sensor and nose balance sensor are arranged on sensor
On the bottom wall of stent, the change in size of the axial detector gap of axial sensor detection.
Further, the outer wall of the bearing (ball) cover is equipped with installation base, and detection block is sheathed on installation base, and two
It is interference fitted between person.
Further, the side wall of the sensor stand is equipped with the first mounting hole, bottom wall be equipped with the second mounting hole and
3rd mounting hole, the first mounting hole and the second mounting hole correspond to respectively to connect with radial direction detector gap and axial detector gap,
Radial transducer is installed in the first mounting hole, axial sensor and nose balance sensor be respectively arranged in the second mounting hole and
In 3rd mounting hole.
The present invention has the advantages that：Radial transducer and axial sensor in the present invention are installed on the outer of engine base
Portion, convenient to overhaul, replacement.
Brief description of the drawings：
Fig. 1 is structure chart of the present invention.
Fig. 2 is partial enlarged view of the present invention.
Fig. 3 is the structure chart of middle (center) bearing end cap of the present invention.
Embodiment：
The present invention is further illustrated below in conjunction with the accompanying drawings.
Such as Fig. 1 to Fig. 3, the present invention discloses a kind of magnetic suspension motor radial-axial sensor integral type mounting structure, including
Rotor 1, engine base 2, bearing 4, sensor stand 5, radial transducer 6, axial sensor 7, nose balance sensor 8, shaft end spiral shell
Mother 9, bearing (ball) cover 10 and detection block 11, for rotor 1 by 4 rotating support of bearing in engine base 2, bearing (ball) cover 10 is sheathed on rotor
On 1, and one end of bearing (ball) cover 10 is contacted on the inner ring of bearing 4, and bearing 4 is axially positioned in engine base 2.Shaft end nut
9 are threaded in the end of rotor 1, and shaft end nut 9 is contacted on bearing (ball) cover 10, and shaft end nut 9 is by 10 axis of bearing (ball) cover
To being positioned on rotor 1.
Sensor stand 5 is fixed on engine base 2 by screw, and detection block 11 is arranged in sensor stand 5, and detection block 11
It is sheathed on bearing (ball) cover 10, is interference fitted between detection block 11 and bearing (ball) cover 10.The outer circle wall and sensing of detection block 11
Formed with radial direction detector gap 100, the bottom surface of detection block 11 and the inner wall of sensor stand 5 between the inner peripheral wall of device stent 5
Formed with axial detector gap 200 between bottom surface.Radial transducer 6 is arranged on the side wall of sensor stand 5, and is detected and radially examined
Survey the change in size in gap 100.Axial sensor 7 and nose balance sensor 8 are arranged on the bottom wall of sensor stand 5, axial
The lower section of 7 face detection block of sensor 11, for detecting the change in size of axial detector gap 200.Nose balance sensor 8 biases
In the lower section of detection block 11.
Installation base 101 is equipped with the outer wall of bearing (ball) cover 10, detection block 11 is sheathed on installation base 101, and two
It is interference fitted between person.
The first mounting hole is equipped with the side wall of sensor stand 5, bottom wall is equipped with the second mounting hole and the 3rd mounting hole,
First mounting hole and the second mounting hole correspond to respectively to connect with radial direction detector gap 100 and axial detector gap 200, radially passes
Sensor 6 is installed in the first mounting hole, and axial sensor 7 and nose balance sensor 8 are respectively arranged in the second mounting hole and
In three mounting holes.
Radial transducer 6 and axial sensor 7 in the present invention are installed on the outside of engine base 2, convenient to overhaul, replacement.Separately
The end of outer rotor 1 has subtracted the limitation in sensor installation gap, easily facilitates installation.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, some improvement can also be made without departing from the principle of the present invention, these improvement also should be regarded as the present invention's
Protection domain.
Claims (3)
1. a kind of magnetic suspension motor radial-axial sensor integral type mounting structure, including rotor (1), engine base (2), bearing (4),
Shaft end nut (9) and bearing (ball) cover (10), the rotor (1) by bearing (4) rotating support in the engine base (2), bearing (ball) cover
(10) it is sheathed on rotor (1), and one end of bearing (ball) cover (10) is contacted on the inner ring of bearing (4), and bearing (4) is axial
It is positioned in engine base (2), shaft end nut (9) is threaded in the end of rotor (1), and shaft end nut (9) is by bearing (ball) cover
(10) it is axially positioned on rotor (1), it is characterised in that：Further include sensor stand (5), radial transducer (6), axial sensing
Device (7), nose balance sensor (8) and detection block (11), the sensor stand (5) are fixed on engine base (2) by screw,
Detection block (11) is arranged in sensor stand (5), and detection block (11) is sheathed on bearing (ball) cover (10), detection block (11) and axis
Socket end lid is interference fitted between (10)；Formed between the outer circle wall of detection block (11) and the inner peripheral wall of sensor stand (5)
There is radial direction detector gap (100), formed with axial inspection between the bottom surface of detection block (11) and the inner wall bottom surface of sensor stand (5)
Survey gap (200)；Radial transducer (6) is arranged on the side wall of sensor stand (5), and detects radial direction detector gap (100)
Change in size, axial sensor (7) and nose balance sensor (8) are arranged on the bottom wall of sensor stand (5), axial sensor
(7) change in size of axial detector gap (200) is detected.
2. magnetic suspension motor radial-axial sensor integral type mounting structure as claimed in claim 1, it is characterised in that：It is described
The outer wall of bearing (ball) cover (10) is equipped with installation base (101), and detection block (11) is sheathed on installation base (101), and both
Between be interference fitted.
3. magnetic suspension motor radial-axial sensor integral type mounting structure as claimed in claim 1, it is characterised in that：It is described
The side wall of sensor stand (5) is equipped with the first mounting hole, and bottom wall is equipped with the second mounting hole and the 3rd mounting hole, the first installation
Hole and the second mounting hole correspond to respectively to connect with radial direction detector gap (100) and axial detector gap (200), radial transducer
(6) be installed in the first mounting hole, axial sensor (7) and nose balance sensor (8) be respectively arranged in the second mounting hole and
In 3rd mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711453263.8A CN107968530B (en) | 2017-12-28 | 2017-12-28 | Integrated mounting structure of radial axial sensor of magnetic suspension motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711453263.8A CN107968530B (en) | 2017-12-28 | 2017-12-28 | Integrated mounting structure of radial axial sensor of magnetic suspension motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107968530A true CN107968530A (en) | 2018-04-27 |
| CN107968530B CN107968530B (en) | 2024-03-19 |
Family
ID=61994946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711453263.8A Active CN107968530B (en) | 2017-12-28 | 2017-12-28 | Integrated mounting structure of radial axial sensor of magnetic suspension motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107968530B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125105A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Radial and axial combined sensor for magnetic bearing |
| WO2020125084A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Mounting structure for axial sensor of eletromagnetic bearing |
| CN113432565A (en) * | 2021-07-26 | 2021-09-24 | 珠海格力电器股份有限公司 | Magnetic suspension bearing axial displacement detection device, method and system and control system thereof |
| CN113483788A (en) * | 2021-07-29 | 2021-10-08 | 珠海格力电器股份有限公司 | Code wheel assembly, encoder and manufacturing method of code wheel assembly |
| CN114152233A (en) * | 2021-12-09 | 2022-03-08 | 坎德拉(深圳)新能源科技有限公司 | Radial displacement sensor positioning support for flywheel energy storage device |
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| JP2005233385A (en) * | 2004-02-23 | 2005-09-02 | Koyo Seiko Co Ltd | Magnetic bearing device |
| CN1987367A (en) * | 2006-12-14 | 2007-06-27 | 北京航空航天大学 | Integrated five freedom electric eddy sensor |
| CN201788086U (en) * | 2009-12-31 | 2011-04-06 | 南京磁谷科技有限公司 | Five degree-of-freedom magnetic levitation bearing mechanical test stand |
| CN202273889U (en) * | 2011-10-13 | 2012-06-13 | 山东科技大学 | Magnetic levitation flywheel centrifugal blower |
| CN202420455U (en) * | 2012-01-15 | 2012-09-05 | 洛阳轴研科技股份有限公司 | Run-out measurer for bearing outer ring |
| CN104092411A (en) * | 2014-07-07 | 2014-10-08 | 扬州大学 | Arc stator winding magnetic suspension bearing drive motor |
| WO2015120093A1 (en) * | 2014-02-07 | 2015-08-13 | Nidec Motor Corporation | Internal rotor sensor having adjustable sensor carrier |
| CN207719985U (en) * | 2017-12-28 | 2018-08-10 | 南京磁谷科技有限公司 | A kind of magnetic suspension motor radial-axial sensor integral type mounting structure |
-
2017
- 2017-12-28 CN CN201711453263.8A patent/CN107968530B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005233385A (en) * | 2004-02-23 | 2005-09-02 | Koyo Seiko Co Ltd | Magnetic bearing device |
| CN1987367A (en) * | 2006-12-14 | 2007-06-27 | 北京航空航天大学 | Integrated five freedom electric eddy sensor |
| CN201788086U (en) * | 2009-12-31 | 2011-04-06 | 南京磁谷科技有限公司 | Five degree-of-freedom magnetic levitation bearing mechanical test stand |
| CN202273889U (en) * | 2011-10-13 | 2012-06-13 | 山东科技大学 | Magnetic levitation flywheel centrifugal blower |
| CN202420455U (en) * | 2012-01-15 | 2012-09-05 | 洛阳轴研科技股份有限公司 | Run-out measurer for bearing outer ring |
| WO2015120093A1 (en) * | 2014-02-07 | 2015-08-13 | Nidec Motor Corporation | Internal rotor sensor having adjustable sensor carrier |
| CN104092411A (en) * | 2014-07-07 | 2014-10-08 | 扬州大学 | Arc stator winding magnetic suspension bearing drive motor |
| CN207719985U (en) * | 2017-12-28 | 2018-08-10 | 南京磁谷科技有限公司 | A kind of magnetic suspension motor radial-axial sensor integral type mounting structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125105A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Radial and axial combined sensor for magnetic bearing |
| WO2020125084A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Mounting structure for axial sensor of eletromagnetic bearing |
| CN113432565A (en) * | 2021-07-26 | 2021-09-24 | 珠海格力电器股份有限公司 | Magnetic suspension bearing axial displacement detection device, method and system and control system thereof |
| CN113483788A (en) * | 2021-07-29 | 2021-10-08 | 珠海格力电器股份有限公司 | Code wheel assembly, encoder and manufacturing method of code wheel assembly |
| CN114152233A (en) * | 2021-12-09 | 2022-03-08 | 坎德拉(深圳)新能源科技有限公司 | Radial displacement sensor positioning support for flywheel energy storage device |
| CN114152233B (en) * | 2021-12-09 | 2023-11-03 | 坎德拉(深圳)新能源科技有限公司 | Radial displacement sensor positioning bracket for flywheel energy storage device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107968530B (en) | 2024-03-19 |
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Address after: 211102 No. 100 Jiuzhu Road, Jiangning Development Zone, Nanjing, Jiangsu Province Patentee after: Nanjing Cigu Technology Co.,Ltd. Country or region after: Zhong Guo Address before: 211102 No. 100 Jiuzhu Road, Jiangning Development Zone, Nanjing, Jiangsu Province Patentee before: NANJING CIGU Ltd.,Corp. Country or region before: Zhong Guo |