CN203024914U - Direction torque sensor of automobile electric power steering system - Google Patents
Direction torque sensor of automobile electric power steering system Download PDFInfo
- Publication number
- CN203024914U CN203024914U CN 201320026141 CN201320026141U CN203024914U CN 203024914 U CN203024914 U CN 203024914U CN 201320026141 CN201320026141 CN 201320026141 CN 201320026141 U CN201320026141 U CN 201320026141U CN 203024914 U CN203024914 U CN 203024914U
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- gear
- circuit board
- conductor
- torque sensor
- angle
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Abstract
The utility model relates to a direction torque sensor of an automobile electric power steering system, which comprises an output shaft, a multi-polar magnetic ring, a stationary ring, an input shaft, a first conductor, a second conductor, a circuit board, a first gear and a second gear, wherein the outer race of the stationary ring is provided with an outer-race gear, the first gear and the second gear are mutually meshed with the outer-race gear, and a cylindrical magnet is respectively arranged in the first gear and the second gear; the circuit board is arranged on the first gear and the second gear, and a first angle chip and a second angle chip are arranged on the circuit board; the position at which the first angle chip is located on the circuit board is mutually corresponding to the cylindrical magnet in the first gear; the position at which the second angle chip is located on the circuit board is mutually corresponding to the cylindrical magnet in the second gear; and the numbers of the teeth of the first gear and the second gear are different. The direction torque sensor disclosed by the utility model can collect the angle information of a steering wheel.
Description
Technical field
The utility model relates to sensor technical field, particularly relates to a kind of direction torque sensor of automobile electric booster steering system.
Background technology
Existing automobile does not generally arrange steering wheel angle sensor, can not gather the corner information of bearing circle, and in fact, body electronics systems stabilisation (Electronic Stability Program, ESP), the advanced technology of the raising automobile driving safes such as electronic power assist steering system (Electric Power Steering, EPS), active suspension, follow-up steering headlight, comfortableness all needs the corner information of vehicle steering.Along with day by day increasing of driver's demand, no matter be technology or market, all more and more urgent to the demand of angle sensor for automobile steering wheel.
Electric boosting steering system due to its energy-conserving and environment-protective, assembling flexibly, be convenient to the advantage such as maintenance and progressively replacing existing electrohydraulic steering system.In electric boosting steering system, the steering wheel torque sensor is important subcontrol spare, and traditional steering wheel torque sensor mostly is potentiometer type or electromagnetic type principle of work.In potentiometer type torque sensor structure, brush is installed and comes transmission of signal, existing due to wearing and tearing can not transmission of signal or the unsettled hidden danger of transmission of signal, and electromagnetic torque sensor adopts the magnetism-isolating loop principle, complex structure, and manufacturing cost is high.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of direction torque sensor of automobile electric booster steering system, can gather steering wheel angle information.
the technical scheme that its technical matters that solves the utility model adopts is: the direction torque sensor that a kind of automobile electric booster steering system is provided, comprise output shaft, multi-pole magnet-ring, set collar, input shaft, the first conductor, the second conductor, circuit board, the first gear and the second gear, described multi-pole magnet-ring is connected with output shaft, and be placed in the first conductor, described set collar is connected with input shaft, described the first conductor is identical with the second conductor shape and become that conjugation distribution shape is staggered to be fixed on set collar, described set collar outer ring is provided with the outer ring gear, described the first gear and the second gear and described outer ring gear are intermeshing, be equipped with cylindrical magnetic iron in described the first gear and the second gear, described circuit board layout is provided with the first angle chip and the second angle chip on described circuit board on described the first gear and the second gear, the position of described the first angle chip on circuit board is mutually corresponding with cylindrical magnetic iron in the first gear, the position of described the second angle chip on circuit board is mutually corresponding with cylindrical magnetic iron in the second gear, described the first gear is different with the number of teeth of the second gear.
Also be provided with the position chip on described circuit board.
Components and parts on described circuit board have common working power and earth terminal.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, have following advantage and good effect: the utility model arranges gear on the conductor set collar, two the gear engagements relevant to detecting the bearing circle angle signal, and position chip and two angle chips are arranged on a circuit board, varying in size due to two gears when gear rotates, two angle chips are distinguished the changes of magnetic field of cylindrical magnetic iron on detection of gear, thereby can gather steering wheel angle information.The utility model is integrated into angle sensor for automobile steering wheel in the steering wheel torque sensor, and this sensor has easy for installation, and integrated level is high, good economy performance, high reliability.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is explosive view of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment only to be used for explanation the utility model and be not used in restriction scope of the present utility model.Should be understood that in addition those skilled in the art can make various changes or modifications the utility model after the content of having read the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
embodiment of the present utility model relates to a kind of direction torque sensor of automobile electric booster steering system, as depicted in figs. 1 and 2, comprise output shaft 1, multi-pole magnet-ring 2, set collar 4, input shaft 6, the first conductor 3, the second conductor 5, circuit board 7, the first gear 8 and the second gear 9, described multi-pole magnet-ring 2 is connected with output shaft 1, and be placed in the first conductor 3, described set collar 4 is connected with input shaft 6, described the first conductor 3 is identical with the second conductor 5 shapes and become that conjugation distribution shape is staggered to be fixed on set collar 4, described set collar 4 outer rings are provided with the outer ring gear, described the first gear 8 and the second gear 9 are intermeshing with described outer ring gear, be equipped with cylindrical magnetic iron in described the first gear 8 and the second gear 9, described circuit board 7 is arranged on described the first gear 8 and the second gear 9, is provided with the first angle chip 71 and the second angle chip 72 on described circuit board 7, cylindrical magnetic iron 81 in the position of described the first angle chip 71 on circuit board 7 and the first gear 8 is mutually corresponding, cylindrical magnetic iron 91 in the position of described the second angle chip 72 on circuit board 7 and the second gear 9 is mutually corresponding, described the first gear 8 is different with the number of teeth of the second gear 9.Also be provided with position chip 73 on described circuit board 7.
Wherein, multi-pole magnet-ring is connected with output shaft, and set collar is connected with input shaft, two staggered being fixed on the conductor set collar of conductor, and the position chip is converted into steering wheel torque information for detection of the changes of magnetic field between two conductors by demarcation.Be provided with the outer ring gear on the conductor set collar, be provided with cylindrical magnetic iron on two gears of size, respectively with the conductor set collar on gear engagement, two angle chips are the changes of magnetic field of cylindrical magnetic iron on detection of gear respectively, by calculating steering wheel angle information.
During work, multi-pole magnet-ring passes the conductor set collar, the first conductor and the second conductor are responded to opposite polarity magnetic field, and position chip detection the first conductor on circuit board and the changes of magnetic field between the second conductor are converted into steering wheel torque information by demarcation.The outer ring gear is set on the conductor set collar, is provided with cylindrical magnetic iron 81 in pinion wheel 8, be provided with cylindrical magnetic iron 91 in gear wheel 9, respectively with conductor set collar 4 on gear engagement.The first angle chip 71 and the second angle chip 72 are arranged on circuit board 7, its position correspondence be arranged at cylindrical magnetic iron 81 in pinion wheel 8 and the cylindrical magnetic iron 91 in gear wheel 9 directly over, during rotating of steering wheel, input shaft 6 drives set collar 4 and rotates, follow rotation with the pinion wheel 8 of set collar 4 engagements with pinion wheel 9, because pinion wheel 8 is different from the number of teeth of gear wheel 9, the angle of both rotating is not identical yet, the changes of magnetic field that corresponding two the first angle chips 71 and the second angle chip 72 detect is also different, by calculating steering wheel angle information.
Be not difficult to find, the utility model arranges gear on the conductor set collar, two the gear engagements relevant to detecting the bearing circle angle signal, and position chip and two angle chips are arranged on a circuit board, varying in size due to two gears when gear rotates, two angle chips are distinguished the changes of magnetic field of cylindrical magnetic iron on detection of gear, thereby can gather steering wheel angle information.The utility model is integrated into angle sensor for automobile steering wheel in the steering wheel torque sensor, and this sensor has easy for installation, and integrated level is high, good economy performance, high reliability.
Claims (3)
1. the direction torque sensor of an automobile electric booster steering system, comprise output shaft (1), multi-pole magnet-ring (2), set collar (4), input shaft (6), the first conductor (3), the second conductor (5), circuit board (7), the first gear (8) and the second gear (9), described multi-pole magnet-ring (2) is connected with output shaft (1), and be placed in the first conductor (3), described set collar (4) is connected with input shaft (6), described the first conductor (3) is identical with the second conductor (5) shape and become that conjugation distribution shape is staggered to be fixed on set collar (4), it is characterized in that, described set collar (4) outer ring is provided with the outer ring gear, described the first gear (8) and the second gear (9) are intermeshing with described outer ring gear, be equipped with cylindrical magnetic iron in described the first gear (8) and the second gear (9), described circuit board (7) is arranged on described the first gear (8) and the second gear (9), is provided with the first angle chip (71) and the second angle chip (72) on described circuit board (7), the position of described the first angle chip (71) on circuit board (7) is mutually corresponding with cylindrical magnetic iron in the first gear (8), the position of described the second angle chip (72) on circuit board (7) is mutually corresponding with cylindrical magnetic iron in the second gear (9), described the first gear (8) is different with the number of teeth of the second gear (9).
2. the direction torque sensor of automobile electric booster steering system according to claim 1, is characterized in that, also is provided with position chip (73) on described circuit board (7).
3. the direction torque sensor of automobile electric booster steering system according to claim 2, is characterized in that, the components and parts on described circuit board (7) have common working power and earth terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026141 CN203024914U (en) | 2013-01-17 | 2013-01-17 | Direction torque sensor of automobile electric power steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320026141 CN203024914U (en) | 2013-01-17 | 2013-01-17 | Direction torque sensor of automobile electric power steering system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203024914U true CN203024914U (en) | 2013-06-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320026141 Expired - Fee Related CN203024914U (en) | 2013-01-17 | 2013-01-17 | Direction torque sensor of automobile electric power steering system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203024914U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583686A (en) * | 2018-07-13 | 2018-09-28 | 新乡市源野电子股份有限公司 | A kind of rotation direction sensor component |
| CN109708788A (en) * | 2018-12-29 | 2019-05-03 | 上海精传电子科技有限公司 | A kind of induction torque angle sensor structure |
| CN110542500A (en) * | 2019-06-26 | 2019-12-06 | 南京华敏电子有限公司 | torque sensor adopting axial magnetizing magnetic ring |
| CN116279771A (en) * | 2023-04-26 | 2023-06-23 | 东莞市卓越电动车有限公司 | Steering gear with self-power-assisted steering |
-
2013
- 2013-01-17 CN CN 201320026141 patent/CN203024914U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108583686A (en) * | 2018-07-13 | 2018-09-28 | 新乡市源野电子股份有限公司 | A kind of rotation direction sensor component |
| CN109708788A (en) * | 2018-12-29 | 2019-05-03 | 上海精传电子科技有限公司 | A kind of induction torque angle sensor structure |
| CN109708788B (en) * | 2018-12-29 | 2024-04-09 | 上海精传电子科技有限公司 | Electromagnetic induction type torque rotation angle sensor structure |
| CN110542500A (en) * | 2019-06-26 | 2019-12-06 | 南京华敏电子有限公司 | torque sensor adopting axial magnetizing magnetic ring |
| CN116279771A (en) * | 2023-04-26 | 2023-06-23 | 东莞市卓越电动车有限公司 | Steering gear with self-power-assisted steering |
| CN116279771B (en) * | 2023-04-26 | 2024-03-26 | 东莞市卓越电动车有限公司 | Steering gear with self-power-assisted steering |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130626 Termination date: 20190117 |