CN101710134B - Vehicle hub rotation speed sensor electrical parameter test device and test method - Google Patents

Vehicle hub rotation speed sensor electrical parameter test device and test method Download PDF

Info

Publication number
CN101710134B
CN101710134B CN2009102272550A CN200910227255A CN101710134B CN 101710134 B CN101710134 B CN 101710134B CN 2009102272550 A CN2009102272550 A CN 2009102272550A CN 200910227255 A CN200910227255 A CN 200910227255A CN 101710134 B CN101710134 B CN 101710134B
Authority
CN
China
Prior art keywords
rotation speed
speed sensor
electrical parameter
vehicle hub
testing
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.)
Expired - Fee Related
Application number
CN2009102272550A
Other languages
Chinese (zh)
Other versions
CN101710134A (en
Inventor
赵俊宏
刘苏亚
李靳东
王芳
李宜谦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Hui Man Power Machinery Manufacturing Co Ltd
Original Assignee
Luoyang Bearing Science and Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Luoyang Bearing Science and Technology Co Ltd filed Critical Luoyang Bearing Science and Technology Co Ltd
Priority to CN2009102272550A priority Critical patent/CN101710134B/en
Publication of CN101710134A publication Critical patent/CN101710134A/en
Application granted granted Critical
Publication of CN101710134B publication Critical patent/CN101710134B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Transmission And Conversion Of Sensor Element Output (AREA)

Abstract

The invention relates to a vehicle hub rotation speed sensor electrical parameter test device and test method. The device comprises a voltage input interface and a common earth connection interface which correspond to the rotation speed sensor, wherein two interfaces are separately connected with the input end and earth end of a data processor, a measuring switch and a testing resistor are connected between the input end and earth end of the data processor, the data sampling of the open-loop output signal and close-loop output signal of the rotation speed sensor is performed by using the two different rotation speeds of the vehicle hub unit, the sample data in one week are processed so as to conveniently and fast calculate the main electrical parameters of the vehicle hub unit rotation speed sensor, thus realizing to test the quality of the vehicle hub unit rotation speed sensor.

Description

Vehicle hub rotation speed sensor electrical parameter test device and method of testing
Technical field
The present invention relates to the measuring technology of bearing apparatus, be specifically related to vehicle hub rotation speed sensor electrical parameter test device and method of testing.
Background technology
Automobile hub unit ABS speed probe divides two kinds of active and passive types.Active speed probe adopts special-purpose magnetosensitive rotating speed electronic component, the proportional pulse signal of output frequency and rotating speed; Passive type speed probe utilization generator principle, coil and magnetosphere relative motion, output amplitude and rotating speed are proportional, frequency and rotating speed and enclose the proportional AC sine signal of magnetic number.
Automotive hub ABS passive type rotation speed sensor electrical parameter mainly comprises coil resistance, inductance, rotating speed voltage constant and four major parameters of a circle magnetic number.Be illustrated in figure 1 as the electric part schematic diagram of automotive hub ABS passive type speed probe, wherein r is the lead internal resistance, L is a coil inductance, ω is a hub angle of rotation frequency, and n is the hub rotating speed, and k is the rotating speed voltage constant, V is a voltage source, its size is V=kn (k is the rotating speed voltage coefficient) with the pass of rotation speed n, and N is speed probe one a circle magnetic number, the relation of ω and n: ω = 2 π · n 60 .
At present, be used for the related electric parameter that testing automobile wheel hub ABS passive type speed probe can not obtain speed probe; Existing LCR automatic measuring instrument employing electronics and computer technology are to the precision measurement that carries out of conventional electrical appliance element inductance L, capacitor C and resistance R, and complex structure costs an arm and a leg.
Summary of the invention
The object of the present invention is to provide a kind of vehicle hub rotation speed sensor electrical parameter test device, with the collection of the test parameter of realizing automotive hub ABS passive type speed probe electrical parameter; The present invention also aims to provide a kind of automotive hub ABS passive type rotation speed sensor electrical parameter method of testing, calculate with the main electrical parameters that realizes automotive hub ABS passive type speed probe.
For achieving the above object, technical program of the present invention lies in providing a kind of vehicle hub rotation speed sensor electrical parameter test device, this device comprises voltage input interface corresponding with speed probe and connecting interface altogether, two interfaces are connected with earth terminal with the input end of data processor respectively, are connected with the cascaded structure of measuring switch and test resistance between the input end of data processor and the earth terminal.
Be provided with low-pass filter circuit and shaping circuit between the input end of data processor and the voltage input interface.
For further optimization, measuring switch is a relay switch, by the data processor controlled folding; Test resistance is a precision resistance.
The present invention also provides a kind of method of testing based on vehicle hub rotation speed sensor electrical parameter test device: it is characterized in that: may further comprise the steps:
(1) the hub rotating speed is n 1(angular frequency is ω 1) time, the voltage effective value U of input before and after the folding of difference measuring switch 1And U 1';
(2) the hub rotating speed is n 2(angular frequency is ω 2) time, the voltage effective value U of input before and after the folding of difference measuring switch 2And U 2';
(3) the statistics hub signal collected unimodal number of speed probe that rotates a circle is a circle magnetic number N of speed probe;
(4) calculate according to following formula, obtain inductance L, resistance r and the rotating speed voltage constant k of passive type automobile hub unit speed probe:
k = U 1 n 1
L = R N ( U 1 U 1 ′ ) 2 - ( U 2 U 2 ′ ) 2 ( ω 1 2 - ω 2 2 )
r = ( U 1 U 1 ′ ) 2 R 2 - ( NLω 1 ) 2 - R
Vehicle hub rotation speed sensor electrical parameter test device of the present invention comprises voltage input interface corresponding with speed probe and connecting interface altogether, two interfaces are connected with earth terminal with the input end of data processor respectively, be connected with measuring switch and test resistance between the input end of data processor and the earth terminal, realize the test of the quality of automobile hub unit speed probe, simple in structure, cost is low; Be provided with low-pass filter circuit and shaping circuit between the input end of data processor and the voltage input interface,, improved accuracy of test for data processor provides waveform signal preferably.
Vehicle hub rotation speed sensor electrical parameter method of testing of the present invention, utilize under twice different rotating speeds the open loop output signal and the closed loop output signal of speed probe are carried out data sampling, by the sampled data in a week is handled, realize the simple, fast calculating of automobile hub unit speed probe main electrical parameters.
Description of drawings
Fig. 1 is the electrical schematic diagram of automobile hub unit ABS passive type speed probe;
Fig. 2 is automobile hub unit speed probe test philosophy figure.
Embodiment
As shown in Figure 2, the vehicle hub rotation speed sensor electrical parameter test device of present embodiment, comprise voltage input interface A corresponding and connecting interface B altogether with speed probe, two interfaces are connected with earth terminal AGND with the input end AD0 of computing machine 1 respectively, be connected with the cascaded structure of relay switch J1 and precision resistance R between the input end AD0 of computing machine 1 and the earth terminal AGND, be provided with low-pass filter circuit 3 and shaping circuit 4 between the input end AD0 of computing machine 1 and the voltage input interface A; More easily electric parameter is detected for more accurate in addition, the control port of frequency converter 7 is connected with the control port C of computing machine 1, the driving circuit of frequency converter 7 is connected with the driving circuit of motor 6, accurately control motor 6 driving automobile hubs 5 rotate under friction speed, with frequency converter 7 external power supplys, motor 6 is driven.
Test process, closure and the disconnection of pilot relay switch J1, by computing machine the open loop output signal and the closed loop output signal of ABS passive type speed probe are carried out data sampling, realize that computing machine input end AD0 test voltage changes under the condition of fc-specific test FC resistance, thereby better provide data preferably for calculating electric parameter.
The method of testing of vehicle hub rotation speed sensor electrical parameter test device may further comprise the steps:
(1) the hub rotating speed is n 1(angular frequency is ω 1) time, measuring relay switch J1 disconnects and the closed voltage effective value U that imports respectively 1And U 1';
(2) the hub rotating speed is n 2(angular frequency is ω 2) time, measuring relay switch J1 disconnects and the closed voltage effective value U that imports respectively 2And U 2';
(3) the statistics hub signal collected unimodal number of speed probe that rotates a circle is a circle magnetic number N of speed probe;
(4) calculate according to following formula, obtain inductance L, resistance r and the rotating speed voltage constant k of passive type automobile hub unit speed probe:
k = U 1 n 1
L = R N ( U 1 U 1 ′ ) 2 - ( U 2 U 2 ′ ) 2 ( ω 1 2 - ω 2 2 )
r = ( U 1 U 1 ′ ) 2 R 2 - ( NLω 1 ) 2 - R
In the foregoing description, adopt computing machine, can certainly adopt microprocessor to carry out data processing as data processor.
The statistics hub signal collected unimodal number of speed probe that rotates a circle is that a circle magnetic number N method of the speed probe pulse number after for the statistics shaping is added up and obtained in the present embodiment, can also adopt additive method, as add up the individual signals cycle, thereby calculate the size of N value.The calculating of the magnetic number N of speed probe belongs to known knowledge for the technician in abs sensor field, is not repeated herein.
In the present embodiment voltage effective value be calculated as the sector technician common practise, be not repeated herein.

Claims (4)

1. vehicle hub rotation speed sensor electrical parameter method of testing, it is characterized in that: described method of testing is based on a kind of proving installation, this proving installation comprises voltage input interface corresponding with speed probe and connecting interface altogether, two interfaces are connected with earth terminal with the input end of data processor respectively, are connected with the cascaded structure of measuring switch and test resistance between the input end of described data processor and the earth terminal;
Method of testing based on above-mentioned proving installation may further comprise the steps:
(1) the hub rotating speed is n 1The time, promptly angular frequency is ω 1The time, the voltage effective value U of input when measuring switch disconnects with closure respectively 1With
Figure FSB00000460411700011
(2) the hub rotating speed is n 2The time, promptly angular frequency is ω 2The time, the voltage effective value U of input when measuring switch disconnects with closure respectively 2With
Figure FSB00000460411700012
(3) the statistics hub signal collected unimodal number of speed probe that rotates a circle is a circle magnetic number N of speed probe;
(4) calculate according to following formula, obtain inductance L, resistance r and the rotating speed voltage constant k of passive type automobile hub unit speed probe:
k = U 1 n 1
L = R N ( U 1 U 1 ′ ) 2 - ( U 2 U 2 ′ ) 2 ( ω 1 2 - ω 2 2 )
r = ( U 1 U 1 ′ ) 2 R 2 - ( NL ω 1 ) 2 - R
In the formula: N is passive type automobile hub unit speed probe one a circle magnetic number;
R is a test resistance.
2. vehicle hub rotation speed sensor electrical parameter method of testing as claimed in claim 1 is characterized in that: be provided with low-pass filter circuit and shaping circuit between the input end of described data processor and the voltage input interface.
3. vehicle hub rotation speed sensor electrical parameter method of testing as claimed in claim 2 is characterized in that: described measuring switch is a relay switch, by the data processor controlled folding.
4. vehicle hub rotation speed sensor electrical parameter method of testing as claimed in claim 3 is characterized in that: described test resistance is a precision resistance.
CN2009102272550A 2009-12-02 2009-12-02 Vehicle hub rotation speed sensor electrical parameter test device and test method Expired - Fee Related CN101710134B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009102272550A CN101710134B (en) 2009-12-02 2009-12-02 Vehicle hub rotation speed sensor electrical parameter test device and test method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009102272550A CN101710134B (en) 2009-12-02 2009-12-02 Vehicle hub rotation speed sensor electrical parameter test device and test method

Publications (2)

Publication Number Publication Date
CN101710134A CN101710134A (en) 2010-05-19
CN101710134B true CN101710134B (en) 2011-06-15

Family

ID=42402931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009102272550A Expired - Fee Related CN101710134B (en) 2009-12-02 2009-12-02 Vehicle hub rotation speed sensor electrical parameter test device and test method

Country Status (1)

Country Link
CN (1) CN101710134B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103257049A (en) * 2013-05-17 2013-08-21 广西工学院鹿山学院 Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre
CN104569493B (en) * 2013-10-24 2018-09-07 大陆汽车电子(长春)有限公司 Pitch error tests system
CN106771369A (en) * 2016-12-12 2017-05-31 丹阳亿豪电子科技有限公司 A kind of automobile wheel speed sensor detecting system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0289711A2 (en) * 1987-05-06 1988-11-09 WABCO Westinghouse Fahrzeugbremsen GmbH Evaluation circuit for an inductive sensor
DE19632457C1 (en) * 1996-08-12 1997-09-18 Knorr Bremse Systeme Switching circuit for function monitoring for vehicle wheel RPM measuring sensor
CN1305659A (en) * 1998-05-11 2001-07-25 托加塔技术有限公司 Method of reducing distortion and noise of square-wave pulses, circuit for generating minimally distorted pulses and use of methode and circuit
US20080143370A1 (en) * 2006-12-19 2008-06-19 Hon Hai Precision Industry Co., Ltd. I/o port tester

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0289711A2 (en) * 1987-05-06 1988-11-09 WABCO Westinghouse Fahrzeugbremsen GmbH Evaluation circuit for an inductive sensor
DE19632457C1 (en) * 1996-08-12 1997-09-18 Knorr Bremse Systeme Switching circuit for function monitoring for vehicle wheel RPM measuring sensor
CN1305659A (en) * 1998-05-11 2001-07-25 托加塔技术有限公司 Method of reducing distortion and noise of square-wave pulses, circuit for generating minimally distorted pulses and use of methode and circuit
US20080143370A1 (en) * 2006-12-19 2008-06-19 Hon Hai Precision Industry Co., Ltd. I/o port tester

Also Published As

Publication number Publication date
CN101710134A (en) 2010-05-19

Similar Documents

Publication Publication Date Title
CN102645549B (en) Detection method of direct current motor rotate speed detector based on FFT (Fast Fourier Transform Algorithm)
CN104090129B (en) For wheel speed sensors and the matching method of testing and system of target wheel
CN102353500B (en) Extraction method of unbalanced signal for dynamic balance measurement
CN104819841B (en) Built-in-coding-information-based single sensing flexible angle-domain averaging method
CN203251268U (en) Permanent magnet synchronous motor control system based on automatic zero set of encoder
CN105738807B (en) A kind of high speed dynamic pressure gyro machine contacts to earth rotary speed test system
CN102621491A (en) Motor parameter detector
CN104655339A (en) Cogging-torque test method for alternating-current permanent-magnet synchronous servo motor
CN103604951B (en) The GES measuring method and its TT＆C system of a kind of vehicle speed sensor
CN101710134B (en) Vehicle hub rotation speed sensor electrical parameter test device and test method
CN103698550B (en) Ship tail shaft speed measurement device with single Hall proximity type sensor
CN202119789U (en) Rotating speed measuring sensor of asynchronous motor
CN111735983A (en) System and method for acquiring wheel speed of airplane anti-skid brake based on magnetic resistance induction
CN103308706A (en) Method and device for detecting rotating speed of vane pump
CN110230977B (en) Dynamic error analysis device and method for rotary transformer equipment, controller and storage medium
CN106645942A (en) Low cost and high precision embedded type signal collection and analysis system and method
CN202886471U (en) Multi-channel leakage current phase difference detection equipment
CN202562940U (en) Direct current motor rotating speed detector based on FFT (Fast Fourier Transformation)
CN103344779B (en) A kind of apparatus and method obtaining driving peristaltic pump DC motor speed
CN201499120U (en) Motor rotation speed wireless checking control device
CN103759869A (en) Device and method for measuring friction moment of rotary shaft of rotary table
CN103700313B (en) A kind of automotive engine throttle voltage-controlled frequency conversion motor experimental system for simulating
CN203117225U (en) Calibration device of rotating speed measuring meter of diesel engine
CN105372537A (en) Labview/PDA-based frequency converter intelligent test platform
CN201594119U (en) Electrical parameter testing device for automobile hub speed sensor

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20170425

Address after: Thirty Xin'an Avenue, 237161 Hanzhoung Road, Anhui Town, Lu'an City Jin'an District No. 3

Patentee after: Anhui Hui Man Power Machinery Manufacturing Co. Ltd.

Address before: 471039 Henan province Luoyang Fenghua high tech Development Zone, Road No. 6

Patentee before: Zhouyan Science and Technology Co., Ltd., Luoyang

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: 20110615

Termination date: 20201202