CN107449356B - Hall effect steering wheel angle sensor based on single-stage planetary gear transmission - Google Patents
Hall effect steering wheel angle sensor based on single-stage planetary gear transmission Download PDFInfo
- Publication number
- CN107449356B CN107449356B CN201710849999.0A CN201710849999A CN107449356B CN 107449356 B CN107449356 B CN 107449356B CN 201710849999 A CN201710849999 A CN 201710849999A CN 107449356 B CN107449356 B CN 107449356B
- Authority
- CN
- China
- Prior art keywords
- planetary gear
- hall element
- stage planetary
- steering wheel
- hall
- 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.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 19
- 230000005355 Hall effect Effects 0.000 title claims abstract description 8
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/30—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring angles or tapers; for testing the alignment of axes
-
- 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
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a Hall effect steering wheel angle sensor based on single-stage planetary gear transmission, which comprises a single-stage planetary gear mechanism, wherein the input end of the single-stage planetary gear mechanism is connected with a steering shaft, and the output end of the single-stage planetary gear mechanism is connected with signal teeth; the output end of the signal tooth is connected with the electronic control unit through the Hall component. The sensor has simple structure and control principle, high signal reliability and low failure rate, and can reduce the speed by the single-stage planetary gear mechanism, so that the total rotation angle of the signal teeth is smaller than 360 degrees, for example, the transmission ratio of one row of planetary gear mechanisms is not large enough, and one row of planetary gear mechanisms can be connected in series for combined transmission.
Description
Technical Field
The invention relates to a Hall effect steering wheel angle sensor based on single-stage planetary gear transmission.
Background
The steering wheel angle sensor is the primary sensor of automotive ESP systems, electronically controlled suspension systems and electronic steering systems. In order to facilitate steering of a driver, the steering angle of a steering wheel and the deflection angle of steering wheels are generally set to have a large transmission ratio, and the left-right stage limit steering angle of the steering wheel is generally about 4 circles, which puts high demands on the structure of the steering wheel angle sensor and the connecting wire harness. The traditional steering wheel angle sensor is complex in structure, low in signal reliability and high in fault rate.
Disclosure of Invention
The invention aims to provide a Hall effect steering wheel angle sensor based on single-stage planetary gear transmission, aiming at the defects in the prior art.
The invention adopts the following technical scheme to realize the aim: the Hall effect steering wheel angle sensor based on single-stage planetary gear transmission comprises a single-stage planetary gear mechanism, wherein the input end of the single-stage planetary gear mechanism is connected with a steering shaft, and the output end of the single-stage planetary gear mechanism is connected with signal teeth; the output end of the signal tooth is connected with the electronic control unit through the Hall component.
Further, the single-stage planetary gear mechanism comprises a gear ring, a planet carrier is arranged in the gear ring, a sun gear is arranged in the planet carrier, and a planetary gear is arranged between the sun gear and the gear ring; the sun gear is connected with the steering shaft, and the planet carrier is connected with the signal teeth.
Further, the hall assembly includes a first hall element and a second hall element disposed between the signal teeth.
The invention has the beneficial effects that: the sensor has simple structure and control principle, high signal reliability and low failure rate, and can reduce the speed by the single-stage planetary gear mechanism, so that the total rotation angle of the signal teeth is smaller than 360 degrees, for example, the transmission ratio of one row of planetary gear mechanisms is not large enough, and one row of planetary gear mechanisms can be connected in series for combined transmission. The electronic control unit can accurately know the rotation direction and the angle of the steering wheel by calculating and processing according to the Hall signals.
Drawings
Fig. 1 is a schematic diagram of the transmission principle of the present invention.
Fig. 2 is a schematic diagram of the control principle of the present invention.
Detailed Description
The Hall effect steering wheel angle sensor based on single-stage planetary gear transmission comprises a single-stage planetary gear mechanism, wherein the input end of the single-stage planetary gear mechanism is connected with a steering shaft 1, and the output end of the single-stage planetary gear mechanism is connected with a signal tooth 6; the output end of the signal tooth 6 is connected with the electronic control unit through a Hall component.
The single-stage planetary gear mechanism comprises a gear ring 4, a planet carrier 5 is arranged in the gear ring 4, a sun gear 2 is arranged in the planet carrier 5, and a planetary gear 3 is arranged between the sun gear 2 and the gear ring 4; wherein the sun gear 2 is connected to the steering shaft 1, and the planet carrier 5 is connected to the signal teeth 6.
Wherein the hall assembly comprises a first hall element 71 and a second hall element 72, the first hall element 71 and the second hall element 72 being arranged between the signal teeth 6.
The transmission principle of the invention is shown in figure 1, the gear ring 4 of the single-stage planetary gear mechanism is fixed, the planet carrier 5 is connected with the signal teeth 6, and through proper tooth number design, the single-stage planetary gear mechanism reduces and outputs the turning angle of the steering wheel according to the requirement, so that the turning angle of the planet carrier 5 and the signal teeth 6 is smaller than 360 degrees when the steering wheel rotates in the left-right stage.
The control principle is as shown in fig. 2, one of the signal teeth is in a special shape (set according to the shape and the size of the hall element), the first hall element and the second hall element are close to the proper positions of the signal teeth, when the steering wheel is forward, the special-shaped tooth is just in the middle position between the first hall element and the second hall element, when the steering wheel is steering, the hall signals generated by the first hall element and the second hall element are transmitted to the electronic control unit, and the electronic control unit can accurately know the rotation direction and the angle of the steering wheel by calculating and processing according to the hall signals.
The invention can reduce the speed by the single-stage planetary gear mechanism, so that the total rotation angle of the signal teeth 6 is smaller than 360 degrees, for example, the transmission ratio of one row of planetary gear mechanisms is not large enough, and one row of planetary gear mechanisms can be connected in series for combined transmission. The electronic control unit can accurately know the rotation direction and the angle of the steering wheel by calculating and processing according to the Hall signals.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (1)
1. The Hall effect steering wheel angle sensor based on single-stage planetary gear transmission comprises a single-stage planetary gear mechanism, wherein the input end of the single-stage planetary gear mechanism is connected with a steering shaft, and the output end of the single-stage planetary gear mechanism is connected with signal teeth; the output end of the signal tooth is connected with the electronic control unit through the Hall component;
the single-stage planetary gear mechanism comprises a gear ring, a planet carrier is arranged in the gear ring, a sun gear is arranged in the planet carrier, and a planetary gear is arranged between the sun gear and the gear ring; the sun gear is connected with the steering shaft, and the planet carrier is connected with the signal teeth;
wherein the hall assembly comprises a first hall element and a second hall element, and the first hall element and the second hall element are arranged between the signal teeth;
the gear ring of the single-stage planetary gear mechanism is fixed, the planet carrier is connected with the signal teeth, and through proper tooth number design, the single-stage planetary gear mechanism reduces and outputs the rotation angle of the steering wheel according to the requirement, so that the rotation angle of the planet carrier and the signal teeth is smaller than 360 degrees when the steering wheel rotates at the left and right stages;
one of the signal teeth is in a special shape, the first Hall element and the second Hall element are arranged according to the shape and the size of the Hall element, the first Hall element and the second Hall element are close to the proper positions of the signal teeth, when the steering wheel is forward, the special-shaped tooth is just positioned in the middle between the first Hall element and the second Hall element, when the steering wheel is steering, the Hall signals generated by the first Hall element and the second Hall element are transmitted to the electronic control unit, and the electronic control unit can accurately know the rotation direction and the angle of the steering wheel by calculating and processing according to the Hall signals;
the single-stage planetary gear mechanism is used for decelerating, so that all rotation angles of the signal teeth are smaller than 360 degrees, and when the transmission ratio of one row of planetary gear mechanisms is not large enough, one row of planetary gear mechanisms can be connected in series for combined transmission.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710849999.0A CN107449356B (en) | 2017-09-13 | 2017-09-13 | Hall effect steering wheel angle sensor based on single-stage planetary gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710849999.0A CN107449356B (en) | 2017-09-13 | 2017-09-13 | Hall effect steering wheel angle sensor based on single-stage planetary gear transmission |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107449356A CN107449356A (en) | 2017-12-08 |
| CN107449356B true CN107449356B (en) | 2023-12-08 |
Family
ID=60496873
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710849999.0A Active CN107449356B (en) | 2017-09-13 | 2017-09-13 | Hall effect steering wheel angle sensor based on single-stage planetary gear transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107449356B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10185622A (en) * | 1996-11-05 | 1998-07-14 | Asmo Co Ltd | Position detecting device |
| CN101608898A (en) * | 2009-07-14 | 2009-12-23 | 武汉理工大学 | Steering system planetary gear absolute angle output corner sensor |
| CN104210535A (en) * | 2013-05-29 | 2014-12-17 | 爱信精机株式会社 | Displacement detection apparatus for linear motion mechanism and rear wheel steering apparatus for vehicle including the same |
| CN106062519A (en) * | 2014-02-28 | 2016-10-26 | Abb高姆技术有限责任公司 | Rotary encoder |
| CN106438875A (en) * | 2015-08-12 | 2017-02-22 | 杭州厨意科技有限公司 | Transmission |
-
2017
- 2017-09-13 CN CN201710849999.0A patent/CN107449356B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10185622A (en) * | 1996-11-05 | 1998-07-14 | Asmo Co Ltd | Position detecting device |
| CN101608898A (en) * | 2009-07-14 | 2009-12-23 | 武汉理工大学 | Steering system planetary gear absolute angle output corner sensor |
| CN104210535A (en) * | 2013-05-29 | 2014-12-17 | 爱信精机株式会社 | Displacement detection apparatus for linear motion mechanism and rear wheel steering apparatus for vehicle including the same |
| CN106062519A (en) * | 2014-02-28 | 2016-10-26 | Abb高姆技术有限责任公司 | Rotary encoder |
| CN106438875A (en) * | 2015-08-12 | 2017-02-22 | 杭州厨意科技有限公司 | Transmission |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107449356A (en) | 2017-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9789898B2 (en) | Angle superimposition apparatus for a vehicle steering device | |
| CN106184597A (en) | Having can the rear chiain-moving device of continuous multi-gear bit map | |
| US9562591B1 (en) | Automatic transmission device for vehicle | |
| CN105173119B (en) | A kind of self-locking electric steering engine | |
| CN107449356B (en) | Hall effect steering wheel angle sensor based on single-stage planetary gear transmission | |
| CN107512310B (en) | Hall effect steering wheel angle sensor based on double-stage planetary gear transmission | |
| US20170037938A1 (en) | Automatic transmission device for vehicle | |
| CN107478150B (en) | Potentiometer type steering wheel angle sensor based on single-stage planetary gear transmission | |
| JP2015515590A5 (en) | ||
| CN207208190U (en) | A kind of hall effect type steering wheel angle sensor based on double pinions transmission | |
| CN107436156B (en) | Potentiometer type steering wheel angle sensor based on two-stage planetary gear transmission | |
| CN207515711U (en) | A kind of hall effect type steering wheel angle sensor based on single-pinion planetary gear transmission | |
| CN102644711A (en) | Continuous variable phase transmission mechanism of interruptable reverse variable speed planetary gear trains | |
| CN205998089U (en) | Have can continuous multi-gear bit map rear chiain-moving device | |
| CN104500687B (en) | Torque guide differential | |
| CN207515802U (en) | A kind of potentiometer type steering wheel angle sensor based on double pinions transmission | |
| CN207208188U (en) | A kind of differential transformer type steering wheel angle sensor based on single-pinion planetary gear transmission | |
| CN104696466A (en) | Mechanism with speed amplifying effect and moment comparing function | |
| CN201597037U (en) | Composable robot joint | |
| CN204729613U (en) | With the device of worm screw adjustment backlash | |
| CN207515710U (en) | A kind of potentiometer type steering wheel angle sensor based on single-pinion planetary gear transmission | |
| CN207208189U (en) | A kind of differential transformer type steering wheel angle sensor based on double pinions transmission | |
| CN103273958B (en) | Angle driver device and method for increasing angle driver output torque | |
| CN107499379B (en) | Differential transformer type steering wheel angle sensor based on two-stage planetary gear transmission | |
| CN107521560B (en) | Differential transformer type steering wheel angle sensor based on single-stage planetary gear transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |