CN105043432B - Camshaft phase sensor detection method - Google Patents

Camshaft phase sensor detection method Download PDF

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Publication number
CN105043432B
CN105043432B CN201510511213.5A CN201510511213A CN105043432B CN 105043432 B CN105043432 B CN 105043432B CN 201510511213 A CN201510511213 A CN 201510511213A CN 105043432 B CN105043432 B CN 105043432B
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Prior art keywords
target wheel
signal target
signal
sensor
sensor detection
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CN201510511213.5A
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CN105043432A (en
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李军涛
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ANHUI RIZEN AUTO PARTS CO., LTD.
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Anhui Rizheng Xinyuan Electrical Technology Co Ltd
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Abstract

The invention discloses camshaft phase sensor detection method, the first signal target wheel and secondary signal target wheel are installed in the rotating shaft with motor connection;Master body cantilever mounted and test sample cantilever mounted are installed in fixing axle, the sensor standard component of the first signal targeting wheel rotation phase of test is installed in master body cantilever mounted, the sensor detection piece of test secondary signal target wheel rotation phase is installed in test sample cantilever mounted;Sensor standard component and sensor detection piece are connected with oscillograph respectively;Motor-driven rotatable shaft rotation, the first signal target wheel and secondary signal target wheel synchronous axial system;First signal targeting wheel rotation phase passes through oscilloscope display master body waveform;Secondary signal target wheel rotation phase passes through oscilloscope display test block waveform;Standard of comparison exemplar waveform and test block waveform, so as to judge the performance of camshaft phase sensor test sample part;The present invention judges directly perceived, and testing efficiency is high, and test accuracy is good.

Description

Camshaft phase sensor detection method
Technical field
The present invention relates to camshaft phase sensor detection technique, and in particular to camshaft phase sensor detection method.
Background technology
Camshaft phase sensor after the completion of production, it is necessary to carry out the detection of performance, to keep the outgoing of product Uniformity.In the prior art, camshaft phase sensor Function detection, is sensed by directly testing camshaft phase with oscillograph Device output signal, judges to realize by oscilloscope display parameter.This method of testing, operator is required to accurate judgement and shows Whether ripple device display parameters are met the requirements, and the requirement to operator is higher, while artificially judging by operator, wheel shaft phase is passed The degree of accuracy of sensor Function detection is impacted, and detection efficiency is also impacted.
The content of the invention
It is an object of the invention to overcome the deficiencies in the prior art, there is provided operation is directly perceived, and accuracy is high, and detection efficiency is high Camshaft phase sensor detection method.
To achieve these goals, the technical solution adopted by the present invention is:
Camshaft phase sensor detection method, specially:
Mounting structure identical the first signal target wheel and secondary signal target wheel in the rotating shaft with motor connection;
Master body cantilever mounted and test sample cantilever mounted are installed in fixing axle, are pacified in master body cantilever mounted The sensor standard component of dress the first signal targeting wheel rotation phase of test, installs test secondary signal target in test sample cantilever mounted Take turns the sensor detection piece of rotation phase;
Between the distance and sensor detection piece and secondary signal target wheel between sensor standard component and the first signal target wheel away from From equal;Sensor standard component and sensor detection piece are installed on the same line;
Distance and master body cantilever mounted between the first signal target wheel and secondary signal target wheel fix outstanding with test sample Distance between arm is equal;
Master body cantilever mounted is identical with the structure of test sample cantilever mounted;
By sensor standard component and sensor detection piece and oscillograph connection;
Motor-driven rotatable shaft rotation, the first signal target wheel and secondary signal target wheel synchronous axial system;
First signal targeting wheel rotation phase passes through oscilloscope display master body waveform;Secondary signal target wheel rotation phase is led to Cross oscilloscope display test block waveform;Standard of comparison exemplar waveform and test block waveform, so as to judge camshaft phase sensor The performance of test sample part.
The motor be frequency control motor, by frequency control motor adjust rotating shaft rotating speed, the first signal target wheel and Secondary signal target wheel synchronous axial system exports different amplitude signals.
The rotating shaft is provided with rotating shaft support bearing, and the fixing axle is provided with fixing axle spring bearing.
The fixing axle and the fixing axle spring bearing are connected by screw.
Described fixing axle one end end is provided with clamping handle.
The first signal target wheel and secondary signal target wheel are connected in the rotating shaft by alignment pin.
The advantage of the invention is that:Camshaft phase sensor detection method, sensor standard component and sensor detection piece The mutually isostructural signal target wheel of collection is compared in same time and the signal of same position point by oscilloscope display parameter Compared with, judging directly perceived, testing efficiency is high, and test accuracy is good, and test is completed by only needing those of ordinary skill, can reduce inspection Survey cost.
Brief description of the drawings
The mark in the content and figure of each width accompanying drawing expression of description of the invention is briefly described below:
Fig. 1 is the structural representation of each part that camshaft phase sensor detection method of the present invention is used.
Mark in above-mentioned figure is:
1st, motor, 2, shaft coupling, 3, rotating shaft support bearing, 4, secondary signal target wheel, the 5, first signal target wheel, 6, rotating shaft, 7th, fixing axle, 8, fixing axle spring bearing, 9, master body cantilever mounted, 10, test sample cantilever mounted, 11, handle, 12, Sensor standard component, 13, sensor detection piece.
Specific embodiment
Below against accompanying drawing, by the description to optimum embodiment, specific embodiment of the invention is made further in detail Thin explanation.
Refering to Fig. 1, camshaft phase sensor detection method, specially:
First signal target wheel 5 and secondary signal target wheel 4 are installed in the rotating shaft 6 connected with motor 1;
Master body cantilever mounted 9 and test sample cantilever mounted 10, master body cantilever mounted are installed in fixing axle 7 The sensor standard component 12 of the test rotation phase of the first signal target wheel 5 is installed on 9, test is installed in test sample cantilever mounted 10 The sensor detection piece 13 of the rotation phase of secondary signal target wheel 4;
Distance and sensor detection piece 13 and secondary signal target wheel 4 between the signal target wheel 5 of sensor standard component 12 and first Between distance it is equal;Sensor standard component 12 and sensor detection piece 13 are installed on the same line;
Distance and master body cantilever mounted 9 between the first signal target wheel 5 and secondary signal target wheel 4 are fixed with test sample Distance between cantilever 10 is equal;
Master body cantilever mounted 9 is identical with the structure of test sample cantilever mounted 10;
By sensor standard component 12 and sensor detection piece 13 and oscillograph connection;
The drive shaft 6 of motor 1 is rotated, the first signal target wheel 5 and the synchronous axial system of secondary signal target wheel 4;
The rotation phase of first signal target wheel 5 of the detection of sensor standard component 12 is shown by oscillograph, in oscillograph Upper display master body waveform;Sensor detection piece 13 detection the rotation phase of secondary signal target wheel 4 shown in oscillograph, Test block waveform is shown on oscillograph;
The rotation phase of first signal target wheel 5 passes through oscilloscope display master body waveform;The rotation phase of secondary signal target wheel 4 By oscilloscope display test block waveform;Standard of comparison exemplar waveform and test block waveform, so as to judge that camshaft phase is sensed The performance of device test sample part.
Sensor standard component 12 and sensor detection piece 13 are connected on a dual trace oscilloscope.
Sensor standard component 12 is the satisfactory master body of performance, and sensor detection piece 13 is trial product to be measured.The One signal target wheel 5 and secondary signal target wheel 4 simulate the rotation of camshaft, when 1 drive shaft of motor 6 is rotated, the first signal target wheel 5 With the synchronous axial system of secondary signal target wheel 4, output signal.
It is same that sensor standard component 12 and sensor detection piece 13 gather the mutually isostructural signal target wheel same time respectively The output signal that position produces, detects the rotation phase of corresponding signal target wheel, is then shown by oscillograph, sensor The signal target wheel 5 of standard component 12 and first fits through oscillograph outputting standard exemplar waveform;Sensor detection piece 13 and second is believed Number target wheel 4 fits through oscillograph output test block waveform;It is to be tested to judge according to the waveform degree of conformity shown on oscillograph Whether the performance of product meets the requirements;Such as test block waveform and master body waveform overlaps or in error range, then sensor The performance of detection piece 13 meets the requirements;Such as test block waveform and master body waveform are misaligned or not in error range, then sense The performance of device detection piece 13 is undesirable.
First signal target wheel 5 is identical with the structure of secondary signal target wheel 4;First signal target wheel 5 and the end of secondary signal target wheel 4 Face induction of signal position is identical, can be further ensured that the same time, and sensor standard component 12 and sensor test sample part 13 are detected The signal of mutually isostructural signal target wheel same position;First signal target wheel 5 as the size dimension of secondary signal target wheel 4, It is with a collection of product, it is ensured that the accuracy of test.
Distance and sensor detection piece 13 and secondary signal target wheel 4 between the signal target wheel 5 of sensor standard component 12 and first Between distance it is equal;Sensor standard component 12 is installed on the same line with sensor detection piece 13;Sensor standard component 12 with Gap between the first signal target wheel 5 and the gap between sensor detection piece 13 and secondary signal target wheel 4 are equal, and gap can be Adjustment, it is ensured that it is same that sensor standard component 12 and sensor detection piece 13 gather the mutually isostructural signal target wheel same time respectively The output signal that one position produces, it is ensured that the accuracy of test.
Distance and master body cantilever mounted 9 between the first signal target wheel 5 and secondary signal target wheel 4 are fixed with test sample Distance between cantilever 10 is equal;So only need to move fixing axle 7 to setting position, you can ensure master body cantilever mounted 9 It is equal with the distance between the first signal target wheel 5 and the distance between test sample cantilever mounted 10 and secondary signal target wheel 4;And then side Just between the distance and sensor detection piece 13 and secondary signal target wheel 4 between the signal target wheel 5 of sensor standard component 12 and first away from From adjustment, with improve testing efficiency and test accuracy.
Master body cantilever mounted 9 is identical with the structure of test sample cantilever mounted 10;Master body cantilever mounted 9 and survey Sample coupon cantilever mounted 10 is fixedly connected in fixing axle 7, or master body cantilever mounted 9 and test sample cantilever mounted 10 It is integral type structure with fixing axle 7.Master body cantilever mounted 9 and test sample cantilever mounted 10 facilitate sensor standard component 12 And the assembling of sensor detection piece 13, while the distance and sensing that are also convenient between the signal target wheel 5 of sensor standard component 12 and first The adjustment of the distance between device detection piece 13 and secondary signal target wheel 4;To ensure the accuracy of testing efficiency and test.
Motor 1 is frequency control motor, and motor 1 and rotating shaft 6 are connected by shaft coupling 2, and the drive shaft 6 of motor 1 is rotated, and is led to Cross the rotating speed that frequency control motor adjusts rotating shaft 6, the first signal target wheel 5 and the synchronous axial system of the secondary signal target wheel 4 different width of output Value signal, to test the performance of sensor detection piece 13 comprehensively, improves detection accuracy.
Rotating shaft 6 is provided with rotating shaft support bearing 3, and fixing axle 7 is provided with fixing axle spring bearing 8.Rotating shaft support bearing 3 exists Secure support effect is improved when rotating shaft 6 is rotated.Fixing axle spring bearing 8 in fixing axle 7, facilitates sensor standard component 12 and passes The assembling of sensor detection piece 13.
Fixing axle 7 and fixing axle spring bearing 8 are connected by screw, and facilitate sensor standard component 12 and sensor detection piece 13 assembling;When needing assembly sensor standard component 12 and/or sensor detection piece 13, screw is pulled down, rotate fixing axle 7, will After master body cantilever mounted 9 and test sample cantilever mounted 10 were fallen, corresponding standard is installed in corresponding cantilever mounted After part and test block;Fixing axle 7 is gone into setting position again, screw is loaded onto.Sensor standard component 12 can be with after assembling Use always, after the completion of a test block test, first remove, refill another test block, be sequentially completed different test blocks Test.
One end end of fixing axle 7 is provided with clamping handle 11;Handle 11 can easily and fast rotate fixing axle 7, further Raising detection convenience and detection efficiency.
First signal target wheel 5 and secondary signal target wheel 4 are connected in rotating shaft 6 by alignment pin;First signal target wheel 5 and Binary signal target wheel 4 is fixedly connected with rotating shaft 6, and when rotating, the first signal target wheel 5 and secondary signal target wheel 4 synchronously turn for rotating shaft 6 It is dynamic.
Camshaft phase sensor detection method, sensor standard component 12 and the collection of sensor detection piece 13 are mutually isostructural Signal target wheel is compared in same time and the signal of same position point by oscilloscope display parameter, judges directly perceived, test Efficiency high, and test accuracy is good, and test is completed by only needing those of ordinary skill, can reduce testing cost.
The obvious present invention is implemented and is not subject to the restrictions described above, as long as employing method of the present invention design and skill The improvement of the various unsubstantialities that art scheme is carried out, within protection scope of the present invention.

Claims (6)

1. camshaft phase sensor detection method, it is characterised in that:Specially:
Mounting structure identical the first signal target wheel and secondary signal target wheel in the rotating shaft with motor connection;
Master body cantilever mounted and test sample cantilever mounted are installed in fixing axle, are installed in master body cantilever mounted and surveyed The sensor standard component of the first signal targeting wheel rotation phase is tried, test secondary signal target wheel is installed in test sample cantilever mounted and is turned The sensor detection piece of dynamic phase;Sensor standard component is the satisfactory master body of performance, and sensor detection piece is to be measured Trial product;First signal target wheel and secondary signal target wheel simulate the rotation of camshaft, when motor-driven rotatable shaft is rotated, the first signal Target wheel and secondary signal target wheel synchronous axial system, output signal;
Distance between sensor standard component and the first signal target wheel and the distance phase between sensor detection piece and secondary signal target wheel Deng;Sensor standard component and sensor detection piece are installed on the same line;
Between the distance and master body cantilever mounted and test sample cantilever mounted between the first signal target wheel and secondary signal target wheel Distance it is equal;
Master body cantilever mounted is identical with the structure of test sample cantilever mounted;
By sensor standard component and sensor detection piece and oscillograph connection;Sensor standard component and sensor detection piece are connected on one On platform dual trace oscilloscope;
Motor-driven rotatable shaft rotation, the first signal target wheel and secondary signal target wheel synchronous axial system;
Sensor standard component and sensor detection piece gather the same time same position of mutually isostructural signal target wheel and produce respectively Output signal, detect the rotation phase of corresponding signal target wheel, then shown by oscillograph;First signal targeting is rotated Dynamic phase passes through oscilloscope display master body waveform;Secondary signal target wheel rotation phase passes through oscilloscope display test block ripple Shape;Standard of comparison exemplar waveform and test block waveform, so as to judge the performance of camshaft phase sensor test sample part.
2. camshaft phase sensor detection method as claimed in claim 1, it is characterised in that:The motor is frequency control Motor, the rotating speed of rotating shaft is adjusted by frequency control motor, and the first signal target wheel and the output of secondary signal target wheel synchronous axial system are not Same amplitude signal.
3. the camshaft phase sensor detection method that such as office of claim 1 or 2 is stated, it is characterised in that:Set in the rotating shaft There is rotating shaft support bearing, the fixing axle is provided with fixing axle spring bearing.
4. camshaft phase sensor detection method as claimed in claim 3, it is characterised in that:The fixing axle and described solid Dead axle spring bearing is connected by screw.
5. camshaft phase sensor detection method as claimed in claim 4, it is characterised in that:Described fixing axle one end end It is provided with clamping handle.
6. camshaft phase sensor detection method as claimed in claim 5, it is characterised in that:The first signal target wheel and Secondary signal target wheel is connected in the rotating shaft by alignment pin.
CN201510511213.5A 2015-08-18 2015-08-18 Camshaft phase sensor detection method Active CN105043432B (en)

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CN106767328B (en) * 2016-12-26 2020-08-18 重庆市银钢一通科技有限公司 Rough grinding cam molded line detection device
CN110230977B (en) * 2018-06-29 2021-11-23 蔚来(安徽)控股有限公司 Dynamic error analysis device and method for rotary transformer equipment, controller and storage medium
CN110319869A (en) * 2019-08-09 2019-10-11 中车株洲电机有限公司 A kind of reliability test platform of traction motor bearings sensor

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US7000598B2 (en) * 2004-05-27 2006-02-21 General Electric Company Bumpless crankshift position sensing
US7827008B2 (en) * 2008-10-21 2010-11-02 General Electric Company System including phase signal saving during anomaly and related method
CN102252847A (en) * 2011-06-08 2011-11-23 重庆长安汽车股份有限公司 Method for testing actuating phase of variable valve timing (VVT) mechanism of engine pedestal benchmarking test
CN102564487B (en) * 2012-02-01 2015-05-27 重庆坤恩机电技术有限公司 Automobile sensor detection equipment and method for detecting performance of sensor by utilizing same
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Effective date of registration: 20171108

Address after: 241000 Wuhu Machinery Industry Park, Wuhu, Anhui

Patentee after: ANHUI RIZEN AUTO PARTS CO., LTD.

Address before: 241000 Wuhu City, Anhui Province, Wuhu machinery Park (Anhui, Wuhu Auto Parts Co., Ltd.)

Patentee before: ANHUI RIZHENG XINYUAN ELECTRICAL TECHNOLOGY CO., LTD.

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