CN110174524A - Automobile redundancy wheel speed detection system - Google Patents
Automobile redundancy wheel speed detection system Download PDFInfo
- Publication number
- CN110174524A CN110174524A CN201910543664.5A CN201910543664A CN110174524A CN 110174524 A CN110174524 A CN 110174524A CN 201910543664 A CN201910543664 A CN 201910543664A CN 110174524 A CN110174524 A CN 110174524A
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- Prior art keywords
- wheel speed
- disc
- brake disc
- automobile
- double wedge
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- 238000001514 detection method Methods 0.000 title claims abstract description 36
- 244000261422 Lysimachia clethroides Species 0.000 claims description 16
- 238000010586 diagram Methods 0.000 description 6
- 230000006698 induction Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001154 acute effect Effects 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P1/00—Details of instruments
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Braking Arrangements (AREA)
- Regulating Braking Force (AREA)
Abstract
The invention discloses a kind of automobile redundancy wheel speed detection system, including brake disc and the first wheel speed sensors, first wheel speed sensors are matched with the gear ring being set in the brake disc or are matched with the ventilated rib of brake disc.Automobile redundancy wheel speed detection system of the invention, it can satisfy the Redundancy Design of the wheel speed signal of automatic driving vehicle needs, the Redundancy Design for realizing wheel speed detection without installing gear ring in drive shaft or bearing, reduces development cost, is conducive to brake space layout.
Description
Technical field
The invention belongs to automatic driving technical fields, specifically, the present invention relates to a kind of automobile redundancy wheel speeds
Detection system.
Background technique
Wheel speed sensors are primarily used to a kind of sensor of test automotive wheel revolving speed, have become Hyundai Motor not
The rotary speed information embodiment device that can lack.Automobile kinetic-control system (VDC), electronic stability program of automobile (ESP), anti-lock system
The use of dynamic these devices of system (ABS) dispatch control system requires rotary speed information.
Automobile wheel speed sensors mainly have magneto-electric type wheel speed sensor and Hall wheel speed sensor.
1, magneto-electric type wheel speed sensor is mainly made of permanent magnet, polar axis, induction coil, has been also divided into dental formulas, column
These three forms of formula, diamond shape.He mainly has permanent magnetism magnetic core and coil, and this is dimerous, and the magnetic line of force mainly passes through magnetic
One pole of core comes out, and by gear ring and air, is then returning to another pole.Whenever wheel operating when, all can be successively
Its magnetic resistance can also be changed across induced magnetic field, potential is at this moment will lead to and corresponding variation occurs.Each frequency and amplitude
Reflect the speed degree of automotive wheels rotation.
2, Hall wheel speed sensor mainly be made of sensing head and gear ring two large divisions, sensing head also by permanent magnet,
The composition such as Hall element and electronic circuit.The control of electric current is mainly carried out by the both ends of semiconductor, it will also hanging down in thin slice
Histogram increases magnetic field upwards, and at this moment thin slice will generate a kind of potential for controlling electric current, induction level at both ends.Mainly
Or the output for carrying out signal by magnetic induction intensity makes it generate Hall voltage pulse by the Strength Changes of input.It is main right
It is amplified inside it, shaping, power amplifier and other effects, passes through the speed that the frequency response wheel of pulse rotates.
Automatic driving technology, Major Systems need to carry out Redundancy Design.Wheel speed signal is as key parameter, detection
Mode also needs Redundancy Design.Existing vehicle wheel speed detection mode is that gear ring is installed in drive shaft or bearing, then uses wheel speed
Sensor probe detection obtains wheel speed signal.This mode leads to Full Vehicle System Redundancy Design cost, and is not easy to arrange.
Summary of the invention
The present invention is directed at least solve one of the technical problems existing in the prior art.For this purpose, the present invention provides a kind of vapour
Automobile-used redundancy wheel speed detection system, it is therefore an objective to reduce cost.
To achieve the goals above, the technical scheme adopted by the invention is as follows: automobile redundancy wheel speed detection system, including system
Moving plate and the first wheel speed sensors, first wheel speed sensors matched with the gear ring being set in the brake disc or with system
The ventilated rib of Moving plate matches.
The brake disc includes outer disc and interior disc, and the ventilated rib is arranged between outer disc and interior disc.
First wheel speed sensors are set on brake caliper assy bracket and the first wheel speed sensors are located at the braking
The outside of disk, the ventilated rib is between the first wheel speed sensors and the axis of brake disc.
First wheel speed sensors are inserted into the centre bore of the interior disc, and the ventilated rib is located at the first wheel speed sensing
The outside of device.
The brake disc further includes the curved gooseneck connecting with the outer disc, the gear ring be by curved gooseneck circumferentially
The double wedge composition of one circle, first wheel speed sensors are inserted into the centre bore of interior disc.
The gear ring is by circumferentially the double wedge of a circle forms in the disk of the brake disc.
The length direction of the double wedge and the axis perpendicular of brake disc, the length direction of double wedge and the radial line of brake disc
Between there is angle and the angle to be acute angle.
The double wedge is that arc-shaped and double wedge axis is parallel with the axis of brake disc.
The gear ring includes outer gear ring and ring gear, outer gear ring be by the periphery of the interior disc circumferentially
The outer double wedge composition of one circle, ring gear is by circumferentially the interior double wedge of a circle forms on the inner headed face of the interior disc.
First wheel speed sensors are magnetoelectric sensor, hall sensor or reluctive transducer.
Automobile redundancy wheel speed detection system of the invention can satisfy the superfluous of the wheel speed signal of automatic driving vehicle needs
Remaining design realizes the Redundancy Design of wheel speed detection without additionally installing gear ring in drive shaft or bearing, reduces development cost,
Conducive to brake space layout.
Detailed description of the invention
This specification includes the following drawings, and shown content is respectively:
Fig. 1 is the structural schematic diagram of automobile redundancy wheel speed detection system of the present invention；
Fig. 2 is brake disc ventilated rib (outer diameter) wheel speed detection scheme；
Fig. 3 is brake disc ventilated rib (internal diameter) wheel speed detection scheme；
Fig. 4 is the structural schematic diagram that gear ring is arranged in curved gooseneck；
Fig. 5 is the first structural schematic diagram of the disk arrangement gear ring of brake disc；
Fig. 6 is second of structural schematic diagram of the disk arrangement gear ring of brake disc；
Fig. 7 is the third structural schematic diagram of the disk arrangement gear ring of brake disc；
Fig. 8 is the structural schematic diagram that gear ring is arranged in outer disc；
In the figure, it is marked as
1, the first wheel speed sensors；2, brake disc；201, outer disc；202, interior disc；203, curved gooseneck；204, double wedge；
205, outer double wedge；206, interior double wedge；207, ventilated rib；3, caliper；4, the second wheel speed sensors.
Specific embodiment
Below against attached drawing, by the description of the embodiment, making to a specific embodiment of the invention further details of
Explanation, it is therefore an objective to those skilled in the art be helped to have more complete, accurate and deep reason to design of the invention, technical solution
Solution, and facilitate its implementation.
As shown in Figures 1 to 8, the present invention provides a kind of automobile redundancy wheel speed detection systems, including brake disc and
One wheel speed sensors, the first wheel speed sensors are matched with the gear ring being set in brake disc or the ventilated rib 207 with brake disc
It matches, knuckle is equipped with the second wheel speed sensors, and the first wheel speed sensors and the second wheel speed sensors are used to detection vapour
Vehicle vehicle wheel rotational speed.
Specifically, as shown in Figures 1 to 8, brake disc includes outer disc 201, interior disc 202 and connects with outer disc 201
The curved gooseneck 203 connect, ventilated rib 207 is arranged between outer disc 201 and interior disc 202 and ventilated rib 207 and outer disc 201 and interior
Disc 202 is fixedly connected, ventilated rib 207 be arranged multiple and all ventilated ribs 207 be using the axis of brake disc be center line along week
To being uniformly distributed, and ventilated rib 207 is to extend to external disk since the periphery of outer disc 201 along the radial of outer disc 201
At the inner headed face of piece 201.Outer disc 201, interior disc 202 and curved gooseneck 203 are cirque structure and outer disc 201, interior disc
202 and curved gooseneck 203 be coaxial arrangement, outer disc 201 is identical with the overall diameter size of interior disc 202, curved gooseneck 203 be arranged in external disk
At the center of piece 201, the diameter of the centre bore of curved gooseneck 203 is less than the diameter of the centre bore of interior disc 202.
As shown in Fig. 2, in the present embodiment, the first wheel speed sensors are set on caliper and the first wheel speed sensors position
In the outside of brake disc, ventilated rib 207 is between the first wheel speed sensors and the axis of brake disc.In vehicle traveling process
In, the first wheel speed sensors are matched with ventilated rib 207, realize the detection of wheel speed.In the present embodiment, brake disc itself is utilized
Ventilated rib 207 realize gear ring function, in this way in the case where not increasing gear ring realize wheel speed signal detection Redundancy Design.
As shown in figure 3, the first wheel speed sensors are located in the centre bore of interior disc 202 as variant embodiment, ventilation
Muscle 207 is located at the outside of the first wheel speed sensors, and the first wheel speed sensors are between ventilated rib 207 and the axis of brake disc.
While the car is driving, the first wheel speed sensors are matched with ventilated rib 207, realize the detection of wheel speed.Equally in this implementation
In example, the function of gear ring is realized using the ventilated rib 207 of brake disc itself, realizes wheel speed in the case where not increasing gear ring in this way
The Redundancy Design of signal detection.
As shown in figure 4, in the present embodiment, gear ring is by circumferentially 204 groups of double wedge of a circle in curved gooseneck 203
At double wedge 204 is protruded along the outside for being axially facing curved gooseneck 203 of curved gooseneck 203, and double wedge 204 is arranged multiple and all double wedges 204 and exists
It is uniformly distributed circumferentially in curved gooseneck 203 with the axis of curved gooseneck 203 (namely axis of brake disc) for center line, the first wheel speed sensing
Device is located in the centre bore of interior disc 202, the first wheel speed sensors face double wedge 204.While the car is driving, the first wheel speed
Sensor is matched with the gear ring being made of double wedge 204, realizes the detection of wheel speed.The gear ring and brake disc collection that double wedge 204 forms
Integrally, compact-sized, it is conducive to brake space layout.
As shown in figure 5, as variant embodiment, gear ring be by the disk of brake disc a circumferentially circle it is convex
Tooth 204 forms, which is arranged in the disk of interior disc 202, the disk of the interior disc 202 be for caliper
Friction plate is contacted to generate brake force and the surface with the axis perpendicular of interior disc 202.Axis of the double wedge 204 along interior disc 202
It is protruded to towards the outside of interior disc 202, disc within multiple and all double wedges 204 are arranged on interior disc 202 in double wedge 204
202 axis (namely axis of brake disc) is that center line is uniformly distributed circumferentially, and each double wedge 204 is along interior disc 202
It radially extends, double wedge 204 is radially distributed.First wheel speed sensors can be set on caliper and the first wheel speed sensors
Positioned at the outside of brake disc, double wedge 204 is between the first wheel speed sensors and the axis of brake disc.In vehicle traveling process
In, the first wheel speed sensors are matched with the gear ring being made of double wedge 204, realize the detection of wheel speed.The gear ring that double wedge 204 forms
It is integrated with brake disc, it is compact-sized, it is conducive to brake space layout.
As shown in fig. 6, as variant embodiment, gear ring be by the disk of brake disc a circumferentially circle it is convex
Tooth 204 forms, which is arranged in the disk of interior disc 202, the disk of the interior disc 202 be for caliper
Friction plate is contacted to generate brake force and the surface with the axis perpendicular of interior disc 202.Axis of the double wedge 204 along interior disc 202
It is protruded to towards the outside of interior disc 202, disc within multiple and all double wedges 204 are arranged on interior disc 202 in double wedge 204
202 axis (namely axis of brake disc) is that center line is uniformly distributed circumferentially, and double wedge 204 has certain length, double wedge
204 length direction and the axis perpendicular of brake disc have folder between the length direction of double wedge 204 and the radial line of brake disc
The angle and angle is acute angle.First wheel speed sensors can be set on caliper and the first wheel speed sensors are located at brake disc
Outside, double wedge 204 is between the first wheel speed sensors and the axis of brake disc.While the car is driving, the first wheel speed passes
Sensor is matched with the gear ring being made of double wedge 204, realizes the detection of wheel speed.The gear ring and brake disc that double wedge 204 forms are integrated
One, it is compact-sized, it is conducive to brake space layout.
As shown in fig. 7, as variant embodiment, gear ring be by the disk of brake disc a circumferentially circle it is convex
Tooth 204 forms, which is arranged in the disk of interior disc 202, the disk of the interior disc 202 be for caliper
Friction plate is contacted to generate brake force and the surface with the axis perpendicular of interior disc 202.Axis of the double wedge 204 along interior disc 202
It is protruded to towards the outside of interior disc 202, disc within multiple and all double wedges 204 are arranged on interior disc 202 in double wedge 204
202 axis (namely axis of brake disc) is that center line is uniformly distributed circumferentially, and double wedge 204 is arc-shaped and double wedge 204
Axis is parallel with the axis of brake disc.First wheel speed sensors can be set on caliper and the first wheel speed sensors are located at
The outside of brake disc, double wedge 204 is between the first wheel speed sensors and the axis of brake disc.While the car is driving,
One wheel speed sensors are matched with the gear ring being made of double wedge 204, realize the detection of wheel speed.The gear ring and system that double wedge 204 forms
Moving plate is integrated, compact-sized, is conducive to brake space layout.
As shown in figure 8, gear ring includes outer gear ring and ring gear as variant embodiment, outer gear ring is by interior disc
Circumferentially the outer double wedge 205 of a circle forms on 202 periphery, and ring gear is by the edge on the inner headed face of interior disc 202
Circumferentially the interior double wedge 206 of a circle forms.Outer double wedge 205 is block structure, outer double wedge 205 along interior disc 202 radially towards
The outside protrusion of inside disc 202, disc within multiple and all outer double wedges 205 are arranged on interior disc 202 in outer double wedge 205
202 axis (namely axis of brake disc) is that center line is uniformly distributed circumferentially.Interior double wedge 206 is block structure, interior double wedge
206 protrude along the inside for being radially orientated interior disc 202 of interior disc 202, and multiple and all interior double wedges 206 are arranged in interior double wedge 206
The axis (namely axis of brake disc) of disc 202 is that center line is uniformly distributed circumferentially on interior disc 202.Outer double wedge
205 and the gear ring that forms of interior double wedge 206 and brake disc it is integrated, it is compact-sized, conducive to brake space layout.
First wheel speed sensors can be magnetoelectric sensor, hall sensor or reluctive transducer.First wheel speed
Sensor can be passive sensor, can also be active sensor.
The present invention is exemplarily described in conjunction with attached drawing above.Obviously, present invention specific implementation is not by above-mentioned side
The limitation of formula.As long as using the improvement for the various unsubstantialities that the inventive concept and technical scheme of the present invention carry out；Or not
It is improved, above-mentioned conception and technical scheme of the invention are directly applied into other occasions, in protection scope of the present invention
Within.
Claims (10)
1. automobile redundancy wheel speed detection system, including brake disc and the first wheel speed sensors, it is characterised in that: the first round
Fast sensor is matched with the gear ring being set in the brake disc or is matched with the ventilated rib of brake disc.
2. automobile redundancy wheel speed detection system according to claim 1, it is characterised in that: the brake disc includes external disk
Piece and interior disc, the ventilated rib are arranged between outer disc and interior disc.
3. automobile redundancy wheel speed detection system according to claim 2, it is characterised in that: first wheel speed sensors
It is set on brake caliper assy bracket and the first wheel speed sensors is located at the outside of the brake disc, the ventilated rib is located at first
Between wheel speed sensors and the axis of brake disc.
4. automobile redundancy wheel speed detection system according to claim 2, it is characterised in that: first wheel speed sensors
At the interior disc path, the ventilated rib is located at the outside or lower end of the first wheel speed sensors.
5. automobile redundancy wheel speed detection system according to claim 2, it is characterised in that: the brake disc further include with
The curved gooseneck of the outer disc connection, the gear ring is by circumferentially the double wedge of a circle forms in curved gooseneck, the first round
Fast sensor is located in the centre bore of interior disc.
6. automobile redundancy wheel speed detection system according to claim 2, it is characterised in that: the gear ring is by described
Circumferentially the double wedge of a circle forms in the disk of brake disc.
7. automobile redundancy wheel speed detection system according to claim 6, it is characterised in that: the length direction of the double wedge
With the axis perpendicular of brake disc, there is angle between the length direction of double wedge and the radial line of brake disc and the angle is sharp
Angle.
8. automobile redundancy wheel speed detection system according to claim 6, it is characterised in that: the double wedge be it is arc-shaped and
The axis of double wedge and the axis of brake disc are parallel.
9. automobile redundancy wheel speed detection system according to claim 2, it is characterised in that: the gear ring includes outer gear ring
And ring gear, by circumferentially the outer double wedge of a circle forms on the periphery of the interior disc, ring gear is outer gear ring
By circumferentially the interior double wedge of a circle forms on the inner headed face of the interior disc.
10. automobile redundancy wheel speed detection system according to any one of claims 1 to 9, it is characterised in that: the first round
Fast sensor is magnetoelectric sensor, hall sensor or reluctive transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543664.5A CN110174524A (en) | 2019-06-21 | 2019-06-21 | Automobile redundancy wheel speed detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910543664.5A CN110174524A (en) | 2019-06-21 | 2019-06-21 | Automobile redundancy wheel speed detection system |
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| Publication Number | Publication Date |
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| CN110174524A true CN110174524A (en) | 2019-08-27 |
Family
ID=67697494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910543664.5A Pending CN110174524A (en) | 2019-06-21 | 2019-06-21 | Automobile redundancy wheel speed detection system |
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| CN (1) | CN110174524A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572323A (en) * | 2020-12-29 | 2021-03-30 | 上海易咖智车科技有限公司 | Wheel speed detection device and logistics vehicle |
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| KR970028552A (en) * | 1995-11-07 | 1997-06-24 | 정몽원 | Vehicle wheel speed detection device |
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| CN202338583U (en) * | 2011-09-30 | 2012-07-18 | 集瑞联合重工有限公司 | Novel brake disc structure |
| CN202468795U (en) * | 2012-03-05 | 2012-10-03 | 山东正诺机械科技有限公司 | Brake disc with wheel speed sensing function |
| CN202867660U (en) * | 2012-10-25 | 2013-04-10 | 龙口市裕东机械制造厂 | Brake pad with gear ring |
| JP2017223267A (en) * | 2016-06-14 | 2017-12-21 | スズキ株式会社 | Attaching structure of brake disc and speed sensor ring |
| CN107765025A (en) * | 2016-08-15 | 2018-03-06 | 德纳重型车辆系统集团有限责任公司 | Internal two passage wheel speed sensors systems |
| CN208107022U (en) * | 2018-04-24 | 2018-11-16 | 门晓昕 | A kind of brake disc |
| CN210199133U (en) * | 2019-06-21 | 2020-03-27 | 芜湖伯特利汽车安全系统股份有限公司 | Automobile redundant wheel speed detection system |
-
2019
- 2019-06-21 CN CN201910543664.5A patent/CN110174524A/en active Pending
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|---|---|---|---|---|
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| CN2575679Y (en) * | 2002-11-04 | 2003-09-24 | 广州市科密汽车制动技术开发有限公司 | Linear single-core inverted land and water two-purpose demodulator |
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| JP2017223267A (en) * | 2016-06-14 | 2017-12-21 | スズキ株式会社 | Attaching structure of brake disc and speed sensor ring |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112572323A (en) * | 2020-12-29 | 2021-03-30 | 上海易咖智车科技有限公司 | Wheel speed detection device and logistics vehicle |
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