CN106771371A - A kind of automobile wheel speed sensor detection means - Google Patents
A kind of automobile wheel speed sensor detection means Download PDFInfo
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- CN106771371A CN106771371A CN201710166437.6A CN201710166437A CN106771371A CN 106771371 A CN106771371 A CN 106771371A CN 201710166437 A CN201710166437 A CN 201710166437A CN 106771371 A CN106771371 A CN 106771371A
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- wheel speed
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- power amplifier
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- 238000001514 detection method Methods 0.000 title claims abstract description 27
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 230000005284 excitation Effects 0.000 claims abstract description 34
- 230000010363 phase shift Effects 0.000 claims abstract description 8
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 20
- 238000004804 winding Methods 0.000 claims description 12
- 230000003321 amplification Effects 0.000 claims description 5
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 229910052742 iron Inorganic materials 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005291 magnetic effect Effects 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004088 simulation 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
- G01P21/00—Testing or calibrating of apparatus or devices covered by the preceding groups
- G01P21/02—Testing or calibrating of apparatus or devices covered by the preceding groups of speedometers
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- Physics & Mathematics (AREA)
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- Force Measurement Appropriate To Specific Purposes (AREA)
Abstract
The invention discloses a kind of automobile wheel speed sensor detection means, belong to sensor test field, there is module in dc source, signal generator, phase shifter, power amplifier module, signal testing module and rotating excitation field including being placed in cabinet, the fixed wheel speed sensors of fixture are also passed through on cabinet；The signal part that signal generator is produced is directly transmitted to, another part amplifies by being transmitted to power amplifier after phase shifter phase shift again, each lead into two binding circles, produce rotating excitation field, sensing wheel speed sensors, wheel speed sensors output signal to signal testing module, and dc source is respectively signal generator, phase shifter, power amplifier module and signal testing module for power supply.The present invention meets producing line scene, the demand of quick detection, practical；With simple structure, small volume, it is easy to carry, the advantage of low production cost；There is no mechanical noise problem simultaneously, make the working environment of workman more environmentally-friendly, with hommization.
Description
Technical field
The present invention relates to sensor test field, a kind of automobile wheel speed sensor detection means is specifically related to.
Background technology
Automobile wheel speed sensor manufacturer is the product quality of the automobile wheel speed sensor for ensureing production, before storage,
Reviewer must detect to all of wheel speed sensors.There are two kinds of sides in the detection to automobile wheel speed sensor at present
Method, one：Mainly supporting wheel speed sensors and gear ring or magnet ring are arranged on special testboard bay, are driven by motor
Dynamic gear ring or magnet ring are rotated, inductive pick-up, test sensor output signal, checking wheel speed sensors whether normal work.This
Class testing equipment belongs to special equipment, although have real simulation effect and powerful signal analysis ability, but equipment is complicated,
It is expensive, with the increase of yield, equipment cost will be increased, it is unfavorable for promoting the use of on a production line；In addition it is such special
Do not have portability with equipment, it is impossible to meet scene, the environmental requirement of quick detection.Secondly：One is provided with the table
Guide rail, is provided with an iron teeth bar on guide rail, is sliding pair between iron teeth bar and guide rail, using iron teeth bar simulating vehicle gear
With the relative motion of wheel speed sensors, when iron teeth bar is moved, the magnetic line of force through sensor changes, sensor output letter
Number.Such test process, iron teeth bar is moved once, and once, error signal easily occurs to an inductive pick-up in sensor, thus brings product
Geological Problems and hidden danger are more, and product yield is low, and increased subsequent product scrap cost.Simultaneously because manual observation is believed
Number, only occur once in test process sensor signal, visual fatigue is easily caused during long-term work, artificial erroneous judgement is produced, lower
Operating efficiency.Simultaneously there is substantial amounts of mechanical noise in both the above test process, be degrading the production environment of workman.
The content of the invention
1. the technical problem to be solved
The technical problem to be solved in the present invention is to provide a kind of automobile wheel speed sensor detection means, and its is easy to operate,
Meet producing line scene, the demand of quick detection, it is practical；The working strength of testing staff can be greatly lowered, improves position and makees
Industry efficiency and accuracy of detection；With simple structure, small volume, it is easy to carry, the advantage of low production cost；No machinery is made an uproar simultaneously
Sound problem, makes the working environment of workman more environmentally-friendly, with hommization.
2. technical scheme
To solve the above problems, the present invention is adopted the following technical scheme that：
A kind of automobile wheel speed sensor detection means, including cabinet dc source, signal generator, phase shifter, power are put
There is module, fixture, wheel speed sensors and signal testing module in big module, rotating excitation field, wherein,
The signal generator connects phase shifter and power amplifier module respectively, and the phase shifter also connects power amplification mould
There is module in block, the power amplifier module connection rotating excitation field, the rotating excitation field occurs module sensing wheel speed sensors, institute
State wheel speed sensors connection signal testing module；The dc source connects signal generator, phase shifter, power amplification mould respectively
Block and signal testing module, are that they power；
The signal generator is used for producing frequency, the sine wave signal of amplitude continuously adjustabe；The rotating excitation field occurs
Module is used for the rotary magnetic for producing a sensing wheel speed sensors and the sine wave signal same frequency produced with signal generator
；The fixture is used for for wheel speed sensors being fixed on cabinet outside.
Specifically, the rotating excitation field occurs module includes that two root surfaces are provided with the guide rail of chute, the two guide rails restocking
If a support that be stuck in chute by screw and can be moved in chute, fixes one piece of installing plate on the support, described
Installing plate upper surface is installed with two groups of windings mutually at a right angle, and the winding is wrapped on iron core by coil and is formed.
Specifically, the power amplifier module includes the power amplifier of the two-way independence being connected with two windings respectively.
Further, the phase shifter carries out 90 degree of phase shifts to the sine wave signal that signal generator transmission comes；The shifting
Phase device and signal generator connect the power amplifier of two-way independence respectively.
Further, the rotating excitation field generation module produces rotating excitation field in the intersection region of two iron core phase near-ends.
Further, there is module in the dc source, signal generator, phase shifter, power amplifier module, rotating excitation field
And signal testing module is installed in cabinet.
Specifically, the fixture is arranged on cabinet, is provided with what aperture matched with wheel speed sensors on cabinet and fixture
Location hole, and the angular bisector of the axis with two windings of two location holes overlap.
Specifically, the signal testing module includes the sensor signal change-over circuit, the test circuit and two that are sequentially connected
Individual LED indicator, described two LED indicators are arranged on cabinet.
In terms of operation principle, the sine wave signal that the signal generator is produced is respectively transmitted to phase shifter and one
Individual power amplifier；After the phase shifter carries out 90 degree of phase shifts to the sine wave signal that signal generator transmission comes, then send to
Another power amplifier；
Sine wave signal before and after phase shift is respectively enterd in the coil of two windings after amplifying through power amplifier, makes two iron cores
A rotating excitation field for the sine wave signal same frequency produced with signal generator is produced in the intersection region of phase near-end；
Position by adjusting bracket on guide rail, makes the head of wheel speed sensors positioned at the zone of intersection of two iron core phase near-ends
In domain, rotating excitation field is sensed in order to wheel speed sensors.
3. beneficial effect
(1) present invention provides a kind of automobile wheel speed sensor detection means, during practical application, first senses wheel speed to be measured
Device is arranged in location hole, and is fixed by fixture, then the position by adjusting bracket on guide rail, makes the head of wheel speed sensors
Portion is located in the intersection region of two iron core phase near-ends, and rotating excitation field is sensed in order to wheel speed sensors, you can open the present apparatus
Start to detect work.The present apparatus is easy to operate, meets producing line scene, the demand of quick detection, practical.
(2) present invention amplifies the signal of signal generator and phase shifter by two-way power amplifier, and phase differs 90 degree
Signal each lead into two coils, make rotating excitation field occur module produce one with the signal same frequency of signal generator
Rotating excitation field, this rotating excitation field goes to sense wheel speed sensors again, makes wheel speed sensors output signal, then aobvious by LED indicator
Show the working condition of wheel speed sensors.The error signal solved in guide tracked test wheel speed sensor process causes product yield low
Under problem, and artificial erroneous judgement problem caused by manual observation signal can be greatly lowered the working strength of testing staff, change
Kind position operating efficiency and accuracy of detection.
(3) hardware system of automobile wheel speed sensor detection means provided by the present invention etc. is located in cabinet or cabinet
On so that the present apparatus has simple structure, small volume, is easy to carry, the advantage of low production cost；No mechanical noise is asked simultaneously
Topic, makes the working environment of workman more environmentally-friendly, with hommization.
The present invention is easy to operate, meets producing line scene, the demand of quick detection, practical；Detection can be greatly lowered
The working strength of personnel, improves position operating efficiency and accuracy of detection；With simple structure, small volume, it is easy to carry, production cost
Low advantage；There is no mechanical noise problem simultaneously, make the working environment of workman more environmentally-friendly, with hommization.
Brief description of the drawings
Fig. 1 is the structured flowchart of hardware system of the invention；
Fig. 2 is structural representation of the invention；
Wherein, 1- cabinets, 2- dc sources, 3- signal generators, 4- phase shifters, 5- power amplifier modules, 6- rotary magnetics
Occur module, 7- fixtures, 8- wheel speed sensors, 9- signal testing modules, 61- guide rails, 62- supports, 63- installing plates, 64- around
Group.
Specific embodiment
The present invention is further detailed explanation with reference to the accompanying drawings and examples.
Embodiment
A kind of automobile wheel speed sensor detection means, including cabinet 1, dc source 2, signal generator 3, phase shifter 4, work(
There is module 6, fixture 7, wheel speed sensors 8 and signal testing module 9 in rate amplification module 5, rotating excitation field, wherein,
As shown in Fig. 2 the dc source 2, signal generator 3, phase shifter 4, power amplifier module 5 and signal testing mould
Block 9 is placed in the rear portion in cabinet 1, and the rotating excitation field occurs the front portion that module 6 is placed in cabinet 1, the wheel speed sensors 8
The front end outer side of cabinet 1 is fixed on by fixture 7；
As shown in figure 1, the signal generator 3 connects phase shifter 4 and power amplifier module 5, the phase shifter 4 respectively
There is module 6 in connection power amplifier module 5, the connection rotating excitation field of the power amplifier module 5, the rotating excitation field occurs module
6 sensing wheel speed sensors 8, the connection signal testing of the wheel speed sensors 8 module 9；The dc source 2 connects signal hair respectively
Raw device 3, phase shifter 4, power amplifier module 5 and signal testing module 9, are that they power.Specifically,
The rotating excitation field occurs module 6 includes being fixed on two guide rails 61 of front part sides bottom in cabinet 1, described two
The upper surface of guide rail 61 is provided with chute, and a support 62 being stuck in by screw in chute, the support are set up on two guide rails 61
Fix one piece of installing plate 63 on 62, the upper surface middle part of the installing plate 63 is installed with two groups of windings 64 mutually at a right angle, it is described around
Group 64 is wrapped on iron core by coil and is formed；
The power amplifier module 5 includes that the power for being symmetrically separately positioned on the two-way independence near 1 liang of side of cabinet is put
Big device, the dc source 2, signal generator 3, phase shifter 4 and signal testing module 9 located at two-way power amplifier it
Between；
The phase shifter carries out 90 degree of phase shifts to the sine wave signal that signal generator transmission comes；The phase shifter and signal
Generator connects the power amplifier of two-way independence respectively；
The front end of the cabinet 1 is front panel, and the fixture 7 is arranged on the front panel of cabinet 1, front panel and fixture 7
On be provided with the location hole that aperture matches with wheel speed sensors 8, and two location holes axis with the angle bisection of two windings 64
Line overlaps；
The upper end of the cabinet 1 is top panel, and the signal testing module 9 includes the sensor signal conversion being sequentially connected
Circuit, test circuit and two LED indicators, described two LED indicators are arranged on above cabinet 1 on plate.
The operation principle of hardware system of the invention is：
Signal generator 3 produce sine wave signal, and sine wave signal frequency and amplitude continuously adjustabe；Sine wave signal
Power amplifier all the way in being respectively transmitted to phase shifter 4 and two-way power amplifier；The sine wave letter that phase shifter 4 pairs is received
Number 90 degree of phase shifts are carried out, then send another road power amplifier to；The signal that the two-way power amplifier will each be received
After being amplified, it is respectively transmitted to two windings 64；The sine wave signal before and after phase shift is each led into two coils, makes two iron core phases
A rotating excitation field for the signal same frequency produced with signal generator 3 is produced in the intersection region of near-end；Wheel speed sensors 8
Head sense rotating excitation field, output signal；Signal testing module 9 receives the signal of the output of wheel speed sensors 8, and by passing
Sensor signal change-over circuit is converted into electric signal, and by showing that wheel speed is passed by LED indicator after test circuit analyzing and processing
The working condition of sensor.
The working condition of above-mentioned LED indicator display wheel speed sensors is embodied in：When wheel speed sensors circuit to be measured
When malunion is normal, two LED all lights；When wheel speed sensors connection to be measured is normal, but during no signal output, a LED
Bright, another LED goes out；When wheel speed sensors connection to be measured is normal, when having signal output again, two LED periodic flickers,
Prompting wheel speed sensors are working properly.
During practical application, first wheel speed sensors 8 to be measured are placed in location hole, and are fixed by fixture 7, then passed through
Position of the adjusting bracket 62 on guide rail 61, makes the head of wheel speed sensors 8 be located in the intersection region of two iron core phase near-ends, with
It is easy to wheel speed sensors 8 to sense rotating excitation field；Signal generator 3 is then turned on, now, according to different wheel speed sensors 8,
Adjustable signal generator 3 produces the amplitude and frequency of signal, to adjust the induction level of rotating excitation field, reaches and treats
The test of the matching of wheel speed sensors 8 of survey.
Those of ordinary skill in the art it should be appreciated that the embodiment of the above be intended merely to explanation the present invention,
And be not used as being limitation of the invention, as long as in spirit of the invention, the change to embodiment described above
Change, modification will all fall in scope of the presently claimed invention.
Claims (8)
1. a kind of automobile wheel speed sensor detection means, it is characterised in that including cabinet (1) dc source (2), signal generator
(3), there is module (6), fixture (7), wheel speed sensors (8) and signal in phase shifter (4), power amplifier module (5), rotating excitation field
Test module (9), wherein,
The signal generator (3) connects phase shifter (4) and power amplifier module (5) respectively, and the phase shifter (4) also connects work(
There is module (6) in rate amplification module (5), power amplifier module (5) the connection rotating excitation field, the rotating excitation field occurs module
(6) sensing wheel speed sensors (8), the wheel speed sensors (8) connect signal testing module (9)；The dc source (2) is respectively
Connection signal generator (3), phase shifter (4), power amplifier module (5) and signal testing module (9), are that they power；
The signal generator (3) is for producing the sine wave signal of frequency, amplitude continuously adjustabe；There is mould in the rotating excitation field
Block (6) is for the sine wave signal same frequency that produces sensing wheel speed sensors (8) and produce with signal generator (3)
Rotating excitation field；Wheel speed sensors (8) can be fixed on cabinet (1) outside by the fixture (7).
2. a kind of automobile wheel speed sensor detection means according to claim 1, it is characterised in that the rotating excitation field hair
Raw module (6) is provided with the guide rail (61) of chute including two root surfaces, and set up one on two guide rail (61) is stuck in by screw
In chute and the support (62) that can be moved in chute, one piece of installing plate (63), the installing plate are fixed on the support (62)
(63) upper surface is installed with two groups of windings (64) mutually at a right angle, and the winding (64) is wrapped on iron core by coil and is formed.
3. a kind of automobile wheel speed sensor detection means according to claim 2, it is characterised in that the power amplification mould
The power amplifier of two-way independence of the block (5) including being connected with two windings (64) respectively.
4. a kind of automobile wheel speed sensor detection means according to claim 3, it is characterised in that the phase shifter (4)
90 degree of phase shifts are carried out to the sine wave signal that signal generator (3) transmission comes；The phase shifter (4) and signal generator (3) point
Not Lian Jie two-way independence power amplifier.
5. a kind of automobile wheel speed sensor detection means according to claim 4, it is characterised in that the rotating excitation field hair
Raw module (6) produces rotating excitation field in the intersection region of two iron core phase near-ends.
6. a kind of automobile wheel speed sensor detection means according to claim 3, it is characterised in that the dc source
(2), there is module (6) and signal testing module in signal generator (3), phase shifter (4), power amplifier module (5), rotating excitation field
(9) it is installed in cabinet (1).
7. a kind of automobile wheel speed sensor detection means according to claim 6, it is characterised in that fixture (7) peace
Mounted in cabinet (1) side, the location hole that aperture matches with wheel speed sensors (8), and two are provided with cabinet (1) and fixture (7)
Angular bisector of the axis of location hole with two windings (64) overlaps.
8. a kind of automobile wheel speed sensor detection means according to claim 7, it is characterised in that the signal testing mould
Block (9) includes the sensor signal change-over circuit, test circuit and two LED indicators that are sequentially connected, and described two LED are indicated
Device is arranged on cabinet (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166437.6A CN106771371A (en) | 2017-03-20 | 2017-03-20 | A kind of automobile wheel speed sensor detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710166437.6A CN106771371A (en) | 2017-03-20 | 2017-03-20 | A kind of automobile wheel speed sensor detection means |
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| Publication Number | Publication Date |
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| CN106771371A true CN106771371A (en) | 2017-05-31 |
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ID=58966396
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710166437.6A Pending CN106771371A (en) | 2017-03-20 | 2017-03-20 | A kind of automobile wheel speed sensor detection means |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618293A (en) * | 2019-06-28 | 2019-12-27 | 中国空气动力研究与发展中心低速空气动力研究所 | Calibration method of cross hot-wire anemometer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4429311A1 (en) * | 1994-08-18 | 1996-02-22 | Daimler Benz Ag | Test device for vehicles with magnetic field sensitive wheel speed sensor |
| CN102279286A (en) * | 2011-06-23 | 2011-12-14 | 鼎佳（天津）汽车电子有限公司 | Wheel speed sensor tester |
| CN103196989A (en) * | 2013-02-25 | 2013-07-10 | 中国石油大学(华东) | ACFM different-angle crack detection system based on rotating magnetic field |
| CN103926424A (en) * | 2014-04-03 | 2014-07-16 | 西南交通大学 | Wheel speed sensor performance test system based on analog encoding wheel |
| CN105928713A (en) * | 2016-05-16 | 2016-09-07 | 淮海工学院 | Signal reproduction system for real-car ABS four wheel speed sensor |
| CN106324288A (en) * | 2016-09-28 | 2017-01-11 | 苏州科技大学 | Wheel speed sensor testing apparatus and testing method |
| CN206930679U (en) * | 2017-03-20 | 2018-01-26 | 淮海工学院 | A kind of automobile wheel speed sensor detection means |
-
2017
- 2017-03-20 CN CN201710166437.6A patent/CN106771371A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4429311A1 (en) * | 1994-08-18 | 1996-02-22 | Daimler Benz Ag | Test device for vehicles with magnetic field sensitive wheel speed sensor |
| CN102279286A (en) * | 2011-06-23 | 2011-12-14 | 鼎佳（天津）汽车电子有限公司 | Wheel speed sensor tester |
| CN103196989A (en) * | 2013-02-25 | 2013-07-10 | 中国石油大学(华东) | ACFM different-angle crack detection system based on rotating magnetic field |
| CN103926424A (en) * | 2014-04-03 | 2014-07-16 | 西南交通大学 | Wheel speed sensor performance test system based on analog encoding wheel |
| CN105928713A (en) * | 2016-05-16 | 2016-09-07 | 淮海工学院 | Signal reproduction system for real-car ABS four wheel speed sensor |
| CN106324288A (en) * | 2016-09-28 | 2017-01-11 | 苏州科技大学 | Wheel speed sensor testing apparatus and testing method |
| CN206930679U (en) * | 2017-03-20 | 2018-01-26 | 淮海工学院 | A kind of automobile wheel speed sensor detection means |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110618293A (en) * | 2019-06-28 | 2019-12-27 | 中国空气动力研究与发展中心低速空气动力研究所 | Calibration method of cross hot-wire anemometer |
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Application publication date: 20170531 |