CN109441958A - A kind of combination sensor structure for magnetic suspension bearing - Google Patents
A kind of combination sensor structure for magnetic suspension bearing Download PDFInfo
- Publication number
- CN109441958A CN109441958A CN201811552145.7A CN201811552145A CN109441958A CN 109441958 A CN109441958 A CN 109441958A CN 201811552145 A CN201811552145 A CN 201811552145A CN 109441958 A CN109441958 A CN 109441958A
- Authority
- CN
- China
- Prior art keywords
- rotor
- boss portion
- magnetic suspension
- suspension bearing
- sensor
- 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.)
- Pending
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C32/00—Bearings not otherwise provided for
- F16C32/04—Bearings not otherwise provided for using magnetic or electric supporting means
- F16C32/0406—Magnetic bearings
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a kind of combination sensor structures for magnetic suspension bearing, including rotor and displacement sensor, the end of the rotor is equipped with boss portion, the inner face of boss portion is cone structure, even number displacement sensor is evenly arranged on the circumferencial direction of rotor, and displacement sensor is located at the side of the conical surface in boss portion.Present invention eliminates radial displacement transducers, keep structure simple, save space；Rotor axial size shortens, and improves the intrinsic frequency of rotor.
Description
Technical field:
The present invention relates to a kind of combination sensor structures for magnetic suspension bearing.
Background technique:
The radial direction of rotor 1 and axial change in displacement need to use two kinds of sensors (as schemed in existing magnetic suspension bearing
2), in 4 radial displacement transducers of the circumference uniform distribution of rotor 1, to detect the radial position of rotor.It is installed in 1 one end of rotor
One shaft position sensor, to detect the axial position of rotor.Using two sensors, the axial peace of rotor 1 can be made
Dress space becomes larger, and increases rotor axial length.
Summary of the invention:
The present invention is to provide a kind of combination for magnetic suspension bearing to solve the above-mentioned problems of the prior art
Sensor structure.
The technical solution adopted in the present invention has: a kind of combination sensor structure for magnetic suspension bearing, including rotor
And displacement sensor, the end of the rotor are equipped with boss portion, the inner face of boss portion is cone structure, even number displacement sensing
Device is evenly arranged on the circumferencial direction of rotor, and displacement sensor is located at the side of the conical surface in boss portion.
Further, the angle between the conical surface and rotor axis in the boss portion is 30 ° -45 °.
Further, institute's displacement sensors are equipped with 2 or 4.
The invention has the following beneficial effects:
1, radial displacement transducer is eliminated, keeps structure simple, saves space；
2, rotor axial size shortens, and improves the intrinsic frequency of rotor.
Detailed description of the invention:
Fig. 1 is structure of the invention figure.
Fig. 2 is the layout drawing of this peritrochanteric radial displacement transducer and shaft position sensor in the prior art.
Specific embodiment:
The present invention will be further described below with reference to the drawings.
Such as Fig. 1, a kind of combination sensor structure for magnetic suspension bearing of the present invention, including rotor 1 and displacement sensor
3, the end of rotor 1 is equipped with boss portion 11, and the inner face of boss portion 11 is cone structure, and even number displacement sensor 3 is evenly arranged on
On the circumferencial direction of rotor 1, and displacement sensor 3 is located at the side of the conical surface in boss portion 11.
Angle between 1 axis of the conical surface in boss portion 11 and rotor is 30 ° -45 °.
Displacement sensor 3 is equipped with 2 or 4.
The present invention eliminates original radial displacement transducer, 2 or 4 axial sensors of circumference uniform distribution, the inspection of rotor
Survey face is made into the conical surface, the differential detectable radial displacement in 180 ° of directions of sensor, and the size of sensor detected value summation can detecte
Axial displacement.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as of the invention
Protection scope.
Claims (3)
1. a kind of combination sensor structure for magnetic suspension bearing, it is characterised in that: including rotor (1) and displacement sensor
(3), the end of the rotor (1) is equipped with boss portion (11), and the inner face of boss portion (11) is cone structure, and even number displacement passes
Sensor (3) is evenly arranged on the circumferencial direction of rotor (1), and displacement sensor (3) is located at the side of the conical surface in boss portion (11).
2. being used for the combination sensor structure of magnetic suspension bearing as described in claim 1, it is characterised in that: the boss portion
(11) angle between the conical surface and rotor (1) axis in is 30 ° -45 °.
3. being used for the combination sensor structure of magnetic suspension bearing as described in claim 1, it is characterised in that: the displacement sensing
Device (3) is equipped with 2 or 4.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552145.7A CN109441958A (en) | 2018-12-18 | 2018-12-18 | A kind of combination sensor structure for magnetic suspension bearing |
| PCT/CN2019/106743 WO2020125104A1 (en) | 2018-12-18 | 2019-09-19 | Combined sensor structure for magnetic bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811552145.7A CN109441958A (en) | 2018-12-18 | 2018-12-18 | A kind of combination sensor structure for magnetic suspension bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109441958A true CN109441958A (en) | 2019-03-08 |
Family
ID=65559575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811552145.7A Pending CN109441958A (en) | 2018-12-18 | 2018-12-18 | A kind of combination sensor structure for magnetic suspension bearing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109441958A (en) |
| WO (1) | WO2020125104A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125104A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Combined sensor structure for magnetic bearing |
| CN113865473A (en) * | 2021-10-25 | 2021-12-31 | 珠海格力电器股份有限公司 | Magnetic suspension motor system and rotor displacement detection device and method thereof |
| CN115811174A (en) * | 2023-02-10 | 2023-03-17 | 山东天瑞重工有限公司 | Magnetic suspension flywheel energy storage battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205300548U (en) * | 2016-01-12 | 2016-06-08 | 天津飞旋科技研发有限公司 | Rotor axial displacement detecting system |
| CN107314737A (en) * | 2017-07-12 | 2017-11-03 | 武汉理工大学 | A kind of magnetic suspension rotor axial displacement radial measurement method |
| CN107742995A (en) * | 2017-12-04 | 2018-02-27 | 南京磁谷科技有限公司 | A kind of mounting structure of the axial detection piece of magnetic suspension motor rotor |
| CN108827207A (en) * | 2018-08-06 | 2018-11-16 | 南京磁谷科技有限公司 | Using the magnetic suspension bearing radial displacement transducer component and its control method of triplex redundance control |
| CN209430622U (en) * | 2018-12-18 | 2019-09-24 | 南京磁谷科技有限公司 | A kind of combination sensor structure for magnetic suspension bearing |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017032384A (en) * | 2015-07-31 | 2017-02-09 | Ntn株式会社 | Rotation detection device and bearing with rotation detection device |
| CN107591952B (en) * | 2017-08-28 | 2023-10-27 | 南京航空航天大学 | Variable position magnetic suspension direct-drive motor structure assembly |
| CN107979239B (en) * | 2017-12-28 | 2024-03-15 | 南京磁谷科技有限公司 | Radial sensor mounting structure of magnetic suspension 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 |
| CN109441958A (en) * | 2018-12-18 | 2019-03-08 | 南京磁谷科技有限公司 | A kind of combination sensor structure for magnetic suspension bearing |
-
2018
- 2018-12-18 CN CN201811552145.7A patent/CN109441958A/en active Pending
-
2019
- 2019-09-19 WO PCT/CN2019/106743 patent/WO2020125104A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205300548U (en) * | 2016-01-12 | 2016-06-08 | 天津飞旋科技研发有限公司 | Rotor axial displacement detecting system |
| CN107314737A (en) * | 2017-07-12 | 2017-11-03 | 武汉理工大学 | A kind of magnetic suspension rotor axial displacement radial measurement method |
| CN107742995A (en) * | 2017-12-04 | 2018-02-27 | 南京磁谷科技有限公司 | A kind of mounting structure of the axial detection piece of magnetic suspension motor rotor |
| CN108827207A (en) * | 2018-08-06 | 2018-11-16 | 南京磁谷科技有限公司 | Using the magnetic suspension bearing radial displacement transducer component and its control method of triplex redundance control |
| CN209430622U (en) * | 2018-12-18 | 2019-09-24 | 南京磁谷科技有限公司 | A kind of combination sensor structure for magnetic suspension bearing |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020125104A1 (en) * | 2018-12-18 | 2020-06-25 | 南京磁谷科技有限公司 | Combined sensor structure for magnetic bearing |
| CN113865473A (en) * | 2021-10-25 | 2021-12-31 | 珠海格力电器股份有限公司 | Magnetic suspension motor system and rotor displacement detection device and method thereof |
| CN113865473B (en) * | 2021-10-25 | 2022-10-11 | 珠海格力电器股份有限公司 | Magnetic suspension motor system and rotor displacement detection device and method thereof |
| CN115811174A (en) * | 2023-02-10 | 2023-03-17 | 山东天瑞重工有限公司 | Magnetic suspension flywheel energy storage battery |
| CN115811174B (en) * | 2023-02-10 | 2023-04-18 | 山东天瑞重工有限公司 | Magnetic suspension flywheel energy storage battery |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2020125104A1 (en) | 2020-06-25 |
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