CN202066476U - Angle and torque sensor - Google Patents
Angle and torque sensor Download PDFInfo
- Publication number
- CN202066476U CN202066476U CN2011200751924U CN201120075192U CN202066476U CN 202066476 U CN202066476 U CN 202066476U CN 2011200751924 U CN2011200751924 U CN 2011200751924U CN 201120075192 U CN201120075192 U CN 201120075192U CN 202066476 U CN202066476 U CN 202066476U
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- angle
- torque sensor
- gear
- follower
- gears
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Abstract
The utility model discloses an angle and torque sensor and provides an assistant control component for an automobile which can detect the torque of a steering wheel and the rotation angle of the steering wheel. The angle and torque sensor mainly comprises two driving gears and three driven gears, wherein a Hall element is arranged above the driven gears; the driving gear at the upper part is fixed on an input shaft; the driving gear on the lower part is fixed on an output shaft; and the angle and the torque are computed according to the mutual relationship between the gears of the driven gears. The angle and torque sensor is simple in process, convenient to process and easy to install; and related cost can be effectively reduced.
Description
Technical field
The utility model relates to automobile component, is specially a kind of angle torque sensor that can detect the steering wheel torque and the bearing circle anglec of rotation simultaneously.
Background technology
The development of present domestic electric boosting steering system (Electronic Power Steering is called for short EPS) is rapid; the safety of EPS and the requirement of technology are also higher; wherein torque sensor is essential; and for the safety of protecting the driver and the development of technology, then also must need to detect the bearing circle angle position and use angular transducer.
When sensor is used,, require to obtain the steering wheel torque and the bearing circle anglec of rotation because of the needs of control algolithm and development on EPS.So on EPS, need the mounting torque sensor, and angular transducer, this has brought certain degree of difficulty just for the structural design and the installation of steering gear, and also increases to some extent on cost.Existing non-contacting sensor has many different principles, as photoelectricity, and electromagnetic induction, Hall effect etc., but also do not have a non-contacting sensor that can detect angle and moment of torsion simultaneously.Therefore, design a kind of sensor that angular transducer and torque sensor are combined as a whole, have very strong practical value.
The utility model content
The technical matters that the utility model solved is to provide a kind of angle torque sensor, to solve the shortcoming in the above-mentioned background technology.
The technical matters that the utility model solved realizes by the following technical solutions:
The angle torque sensor mainly comprises two driving gears, three follower gears, and described follower gear center is filled with magnet, and Hall element is arranged above follower gear, and Hall element can draw the angle of follower gear by the magnetic flux change that detects magnet; The top driving gear is fixed on the input shaft, and its edge is equipped with two follower gears, can get required angle by conversion between these two follower gears and calculating, and it is equivalent to the angular transducer test section.
Equally, the bottom also has a driving gear to be fixed on the output shaft, and its edge is equipped with a follower gear, can get moment of torsion by conversion between these two parallel placement follower gears and calculating, and it is equivalent to torque sensor.
The utility model is to utilize Hall element to detect the magnetic flux change of magnet on the follower gear, and the angle that draws follower gear changes; The relation of its gear number of teeth: the number of teeth of top driving gear equals the number of teeth of bottom driving gear, and wherein in the follower gear, the number of teeth of two follower gears of connection top driving gear is unequal.Hall element is experienced the flux change amount that is contained in magnet on the rotation follower gear, and this value is converted to voltage (or PWM, SPI) signal deliver to associative processor and handle, can obtain angle and torque signal, angle and torque signal be sent in the controller of vehicle electric power-assisted steering device carried out corresponding algorithm controls again.
The utility model is installed in the appropriate section position of EPS machinery assembly to the angle torque sensor in use, and two driving gear is separately fixed at input shaft, on the output shaft; The angle position that Hall element draws follower gear by the magnetic flux of responding to the magnet on the follower gear.
Beneficial effect:The utility model has the function of torque sensor and angular transducer simultaneously, and simultaneously more stable, the life-span is longer, is easy to install and control cost, and it is in particular in:
1, the utility model is combined as a whole angular transducer and torque sensor, utilizes hall sensing and mutual relationship to obtain position, bearing circle angle and torque, and production cost is reduced greatly;
2, the utility model is solved the difficulty of EPS sensor installation and the problem of measurement range deficiency owing to be mainly used in recording moment of torsion and angle simultaneously on the automobile EPS;
3, the utility model is owing to be to take measurement of an angle by hall sensing, and this just makes that the stability of sensor is high, and longer service life is of a specified duration.
Description of drawings
Fig. 1 is the synoptic diagram of the utility model preferred embodiment.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Angle torque sensor referring to Fig. 1, be with first driving gear 3 on the input shaft 1, there are two supporting follower gears to mesh on first driving gear, be respectively first follower gear 7 and second follower gear 4, in addition, on first follower gear 7, second follower gear 4 and the 3rd follower gear 5, be equipped with Hall element 2; In addition, on output shaft 6, be with second driving gear 8, with one the 3rd follower gear 5 that has only of second driving gear, 8 engagements, wherein the 3rd follower gear 5 and second follower gear, 4 centerline are on same axis.
More than show and described ultimate principle of the present utility model, principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. angle torque sensor, it is characterized in that, comprise two driving gears, three follower gears, there is Hall element described follower gear top, and the top driving gear is fixed on the input shaft, and its edge is equipped with two follower gears, the bottom also has a driving gear to be fixed on the output shaft, and its edge is equipped with a follower gear.
2. angle torque sensor according to claim 1, it is characterized in that, the pass of the described gear number of teeth is: the number of teeth of top driving gear equals the number of teeth of bottom driving gear, and wherein in the follower gear, the number of teeth of two follower gears of connection top driving gear is unequal.
3. angle torque sensor according to claim 1 is characterized in that, is filled with magnet in the middle of the described follower gear, belongs to non-contacting sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200751924U CN202066476U (en) | 2011-03-21 | 2011-03-21 | Angle and torque sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200751924U CN202066476U (en) | 2011-03-21 | 2011-03-21 | Angle and torque sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202066476U true CN202066476U (en) | 2011-12-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200751924U Expired - Lifetime CN202066476U (en) | 2011-03-21 | 2011-03-21 | Angle and torque sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202066476U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967399A (en) * | 2012-12-12 | 2013-03-13 | 合肥工业大学 | Elastic element applied to torque sensor of steering wheel |
| CN103017796A (en) * | 2012-12-14 | 2013-04-03 | 武汉理工大学 | Steering wheel torque angle sensor for magnetic film |
| CN103528601A (en) * | 2013-09-30 | 2014-01-22 | 华东师范大学 | Non-contact compound torque and angle position sensor |
| CN103983394A (en) * | 2014-05-09 | 2014-08-13 | 华东师范大学 | Torque sensor |
| CN106197255A (en) * | 2016-07-07 | 2016-12-07 | 安徽沃巴弗电子科技有限公司 | A kind of induction moment of torsion angular transducer |
| CN113503929A (en) * | 2021-09-13 | 2021-10-15 | 常州瑞尔特测控系统有限公司 | Multifunctional composite sensor and working method thereof |
-
2011
- 2011-03-21 CN CN2011200751924U patent/CN202066476U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102967399A (en) * | 2012-12-12 | 2013-03-13 | 合肥工业大学 | Elastic element applied to torque sensor of steering wheel |
| CN102967399B (en) * | 2012-12-12 | 2014-10-08 | 合肥工业大学 | Elastic element applied to torque sensor of steering wheel |
| CN103017796A (en) * | 2012-12-14 | 2013-04-03 | 武汉理工大学 | Steering wheel torque angle sensor for magnetic film |
| CN103528601A (en) * | 2013-09-30 | 2014-01-22 | 华东师范大学 | Non-contact compound torque and angle position sensor |
| CN103983394A (en) * | 2014-05-09 | 2014-08-13 | 华东师范大学 | Torque sensor |
| CN103983394B (en) * | 2014-05-09 | 2017-01-18 | 华东师范大学 | Torque sensor |
| CN106197255A (en) * | 2016-07-07 | 2016-12-07 | 安徽沃巴弗电子科技有限公司 | A kind of induction moment of torsion angular transducer |
| CN106197255B (en) * | 2016-07-07 | 2019-01-25 | 安徽沃巴弗电子科技有限公司 | A kind of induction torque angular transducer |
| CN113503929A (en) * | 2021-09-13 | 2021-10-15 | 常州瑞尔特测控系统有限公司 | Multifunctional composite sensor and working method thereof |
| CN113503929B (en) * | 2021-09-13 | 2021-11-30 | 常州瑞尔特测控系统有限公司 | Multifunctional composite sensor and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111207 |
|
| CX01 | Expiry of patent term |