CN205037864U - Non -contact angle displacement angle sensor - Google Patents
Non -contact angle displacement angle sensor Download PDFInfo
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- CN205037864U CN205037864U CN201520829242.1U CN201520829242U CN205037864U CN 205037864 U CN205037864 U CN 205037864U CN 201520829242 U CN201520829242 U CN 201520829242U CN 205037864 U CN205037864 U CN 205037864U
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- housing
- magnet steel
- sensor
- magneto
- rotating shaft
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Abstract
The utility model discloses a non -contact angle displacement angle sensor, including casing, magnet steel, magnetic sensor and pivot, the inside of casing is provided with the cavity, be provided with the shaft hole on the casing, the inner of pivot is passed the shaft hole sets up in the cavity, the pivot pass through the bearing with shaft hole rotatable coupling, the magnet steel with the inner fixed connection of pivot, magnetic sensor installs on the mounting panel, the mounting panel sets up in the cavity to through set screw with casing fixed connection, magnetic sensor with be provided with the clearance between the magnet steel. The utility model discloses non -contact angle displacement angle sensor adopts the quick principle of magnetism, gathers the magnetic field signal that the magnet steel produced through magnetic sensor when rotating to turning into angle displacement angle signal with it, reaching the purpose that detects the angle displacement angle, magnetic field is contactless simultaneously, so humidity or dust appear even if the sensor is inside, the sensor can not receive the influence, can normally work.
Description
Technical field
The utility model relates to a kind of sensor, particularly relates to a kind of contactless angular displacement angular transducer.
Background technology
Traditional angular displacement angular transducer is conductive plastic potentiometer, it belongs to touch sensor, be generally used for the angular displacement measurement of angle of steering wheel, Real-time Feedback steering wheel absolute position, closed loop is formed with steering wheel electronic system, conductive plastic potentiometer belongs to contact, its principle of work be brush slide on resistive element produce signal, angle displacement angle, once contact point is subject to serious humidity in the process of work, dust, to directly affect the output signal of conductive plastic potentiometer, output signal linearity precision may be caused to reduce, suddenly becoming large or diminishing appears in signal, even output signal and directly fall a little, affect closed-loop control system work, and the rotational life of contact is limited, when reaching certain rotational life, output signal the state initial with it also can occur cannot be quantitative change, and be easily subject to the impact of power supply precision, namely the precision of the power supply of conductive plastic potentiometer is more high better, noise and ripple are more low better, condition harshness is that the noise of power supply and ripple must several millivolts of levels.When the precision of power supply, noise, ripple are excessive, the interference of power supply is directly transferred in the output signal of conductive plastic potentiometer, cause the measuring accuracy of angular displacement angle to reduce, and then directly reduce the precision of servos control, affect the performance of steering gear system.
Utility model content
The purpose of this utility model is just to provide a kind of contactless angular displacement angular transducer to solve the problem.
The utility model is achieved through the following technical solutions above-mentioned purpose:
A kind of contactless angular displacement angular transducer, comprise housing, magnet steel, magneto-dependent sensor and rotating shaft, the inside of described housing is provided with cavity, described housing is provided with axis hole, the inner of described rotating shaft is arranged in described cavity through described axis hole, described rotating shaft is rotatably connected by bearing and described axis hole, described magnet steel is fixedly connected with the inner of described rotating shaft, described magneto-dependent sensor is installed on a mounting board, described installing plate is arranged in described cavity, and be fixedly connected with described housing by gib screw, gap is provided with between described magneto-dependent sensor and described magnet steel.
Particularly, described magneto-dependent sensor and described magnet steel be arranged in parallel, and the data cable of described magneto-dependent sensor is arranged on the outside of described installing plate, and extend to its outside by the through hole on described housing, are tightly connected between described installing plate and described housing.
Preferably, described bearing is sealing bearing, and the inner diameter of described rotating shaft is greater than the diameter of described axis hole, and described magnet steel is embedded on the inner end face of described bearing.
Particularly, described housing comprises the first housing and the second housing, described axis hole is arranged on the outer end end face of described first housing, the inner of described first housing is provided with cascaded surface, the inner internal diameter of described second housing equals the external diameter of the cascaded surface of described first housing, described first housing is inserted in described second housing, and is fixedly connected with by the attachment screw being arranged on its sidewall.
Particularly, described installing plate is fixedly connected with the inner end face of described first housing.
The beneficial effects of the utility model are:
A kind of contactless angular displacement angular transducer of the utility model adopts magnetosensitive principle, the field signal of magnet steel generation when rotating is gathered by magneto-dependent sensor, and be translated into angular displacement angle signal, reach the object of detection angle displacement angle, magnetic field is contactless simultaneously, even if so sensor internal the occurrence of wetness or dust, sensor can not be affected, can normally work.
Accompanying drawing explanation
Fig. 1 is the structural representation of contactless angular displacement angular transducer described in the utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail:
As shown in Figure 1, a kind of contactless angular displacement angular transducer of the utility model, comprise housing, magnet steel 5, magneto-dependent sensor 6 and rotating shaft 3, the inside of housing is provided with cavity 11, housing is provided with axis hole, the inner of rotating shaft 3 is arranged in cavity 11 through axis hole, rotating shaft 3 is rotatably connected by bearing 4 and axis hole, magnet steel 5 is fixedly connected with the inner of rotating shaft 3, magneto-dependent sensor 6 is arranged on installing plate 7, installing plate 7 is arranged in cavity 11, and be fixedly connected with housing by gib screw 8, gap is provided with between magneto-dependent sensor 6 and magnet steel 5, magneto-dependent sensor 6 and magnet steel 5 be arranged in parallel, the data cable 10 of magneto-dependent sensor 6 is arranged on the outside of installing plate 7, and extend to its outside by the through hole on housing, be tightly connected between installing plate 7 and housing, bearing 4 is sealing bearing, the inner diameter of rotating shaft 3 is greater than the diameter of axis hole, magnet steel 5 is embedded on the inner end face of bearing 4.
Housing comprises the first housing 2 and the second housing 1, axis hole is arranged on the outer end end face of the first housing 2, the inner of first housing 2 is provided with cascaded surface, the inner internal diameter of the second housing 1 equals the external diameter of the cascaded surface of the first housing 2, first housing 2 is inserted in the second housing 1, and be fixedly connected with by the attachment screw 12 being arranged on its sidewall, installing plate 7 is fixedly connected with the inner end face of the first housing 2.
The principle of work of the utility model contactless angular displacement angular transducer is as follows:
By the outer end of rotating shaft 3 and tested equipment connection, the rotation of equipment under test drives rotating shaft 3 to rotate, rotating shaft 3 is rotated and inner fixing magnet steel 5 with it is rotated, magnet steel 5 rotates and produces field signal, after the magneto-dependent sensor 6 parallel with magnet steel 5 receives field signal, after transferring to treatment facility by data cable 10, convert thereof into angular displacement angle signal, reach the object of detection angle displacement angle signal.
The protective treatment that grade is IP67 has been done to sensor, normally can work at environment such as humidity, dust, because do not contact between magnet steel 5 with magneto-dependent sensor 6, can be used for High Rotation Speed, long-term work there will be wearing and tearing except bearing 4, and magnet steel 5 exports with magneto-dependent sensor 6 can not be affected because do not contact therefore signal.
The scope of the Circuits System power supply of sensor is 5VDC ~ 15VDC and does not need power supply to have very high precision, noise, ripple.At any one magnitude of voltage of 5VDC ~ 15VDC, sensor all can normally work, and exporting absolute position angular displacement angle signal is corresponding 0 ° ~ 360 ° of hexadecimal digital signaling zero x0000 ~ 0x1FFF.
The utility model can normally work at environment such as humidity, dust, can rotation at a high speed, and the rotational life up to several hundred million times, does not export by the total digitalization that power supply affects, and can under rugged surroundings, reliable and stable work; Meanwhile, when bearing the vibration of large magnitude and impacting, work that also can be reliable and stable, decreases the product of regular replacing measured angular displacement angle; Meanwhile, the loss caused when angular displacement measurement of angle makes mistakes is avoided.
The technical solution of the utility model is not limited to the restriction of above-mentioned specific embodiment, and every technology distortion made according to the technical solution of the utility model, all falls within protection domain of the present utility model.
Claims (5)
1. a contactless angular displacement angular transducer, it is characterized in that: comprise housing, magnet steel, magneto-dependent sensor and rotating shaft, the inside of described housing is provided with cavity, described housing is provided with axis hole, the inner of described rotating shaft is arranged in described cavity through described axis hole, described rotating shaft is rotatably connected by bearing and described axis hole, described magnet steel is fixedly connected with the inner of described rotating shaft, described magneto-dependent sensor is installed on a mounting board, described installing plate is arranged in described cavity, and be fixedly connected with described housing by gib screw, gap is provided with between described magneto-dependent sensor and described magnet steel.
2. the contactless angular displacement angular transducer of one according to claim 1, it is characterized in that: described magneto-dependent sensor and described magnet steel be arranged in parallel, the data cable of described magneto-dependent sensor is arranged on the outside of described installing plate, and extend to its outside by the through hole on described housing, be tightly connected between described installing plate and described housing.
3. the contactless angular displacement angular transducer of one according to claim 2, it is characterized in that: described bearing is sealing bearing, the inner diameter of described rotating shaft is greater than the diameter of described axis hole, and described magnet steel is embedded on the inner end face of described bearing.
4. the contactless angular displacement angular transducer of one according to claim 3, it is characterized in that: described housing comprises the first housing and the second housing, described axis hole is arranged on the outer end end face of described first housing, the inner of described first housing is provided with cascaded surface, the inner internal diameter of described second housing equals the external diameter of the cascaded surface of described first housing, described first housing is inserted in described second housing, and is fixedly connected with by the attachment screw being arranged on its sidewall.
5. the contactless angular displacement angular transducer of one according to claim 4, is characterized in that: described installing plate is fixedly connected with the inner end face of described first housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829242.1U CN205037864U (en) | 2015-10-21 | 2015-10-21 | Non -contact angle displacement angle sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520829242.1U CN205037864U (en) | 2015-10-21 | 2015-10-21 | Non -contact angle displacement angle sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205037864U true CN205037864U (en) | 2016-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520829242.1U Expired - Fee Related CN205037864U (en) | 2015-10-21 | 2015-10-21 | Non -contact angle displacement angle sensor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205037864U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643818A (en) * | 2016-07-11 | 2017-05-10 | 北京航空航天大学 | Multiple-angle position indication sensor |
| CN107131893A (en) * | 2017-05-04 | 2017-09-05 | 湖南科技大学 | High-voltage breaker operation mechanism on-line monitoring angular displacement sensor |
| CN108827141A (en) * | 2018-06-26 | 2018-11-16 | 贵州航天控制技术有限公司 | A kind of magnetic coding type non-contact angle/placement sensor |
| CN109489695A (en) * | 2018-12-28 | 2019-03-19 | 成都宏明电子股份有限公司 | A kind of magneto-dependent sensor for the output of RS422 digital signal |
| CN110657825A (en) * | 2019-09-27 | 2020-01-07 | 成都宏明电子股份有限公司 | Water-proof, corrosion-proof and dust-proof magneto-sensitive angular displacement sensor |
| CN113028976A (en) * | 2021-05-21 | 2021-06-25 | 成都宏明电子股份有限公司 | Magneto-sensitive angular displacement sensor without eddy current effect |
| CN115338206A (en) * | 2022-08-12 | 2022-11-15 | 中冶赛迪技术研究中心有限公司 | Automatic ash removal device for horizontal cylindrical dust removal pipeline |
-
2015
- 2015-10-21 CN CN201520829242.1U patent/CN205037864U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106643818A (en) * | 2016-07-11 | 2017-05-10 | 北京航空航天大学 | Multiple-angle position indication sensor |
| CN107131893A (en) * | 2017-05-04 | 2017-09-05 | 湖南科技大学 | High-voltage breaker operation mechanism on-line monitoring angular displacement sensor |
| CN108827141A (en) * | 2018-06-26 | 2018-11-16 | 贵州航天控制技术有限公司 | A kind of magnetic coding type non-contact angle/placement sensor |
| CN109489695A (en) * | 2018-12-28 | 2019-03-19 | 成都宏明电子股份有限公司 | A kind of magneto-dependent sensor for the output of RS422 digital signal |
| CN110657825A (en) * | 2019-09-27 | 2020-01-07 | 成都宏明电子股份有限公司 | Water-proof, corrosion-proof and dust-proof magneto-sensitive angular displacement sensor |
| CN110657825B (en) * | 2019-09-27 | 2024-05-14 | 成都宏明电子股份有限公司 | Waterproof, anticorrosion and dustproof magneto-sensitive angular displacement sensor |
| CN113028976A (en) * | 2021-05-21 | 2021-06-25 | 成都宏明电子股份有限公司 | Magneto-sensitive angular displacement sensor without eddy current effect |
| CN115338206A (en) * | 2022-08-12 | 2022-11-15 | 中冶赛迪技术研究中心有限公司 | Automatic ash removal device for horizontal cylindrical dust removal pipeline |
| CN115338206B (en) * | 2022-08-12 | 2024-01-26 | 中冶赛迪技术研究中心有限公司 | Automatic ash removing device for horizontal cylindrical dust removing pipeline |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160217 Termination date: 20161021 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |