CN104020315A - Rotation speed sensor signal detection device - Google Patents

Rotation speed sensor signal detection device Download PDF

Info

Publication number
CN104020315A
CN104020315A CN201410229674.9A CN201410229674A CN104020315A CN 104020315 A CN104020315 A CN 104020315A CN 201410229674 A CN201410229674 A CN 201410229674A CN 104020315 A CN104020315 A CN 104020315A
Authority
CN
China
Prior art keywords
speed sensor
sensor
fixed
variable
hole
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.)
Granted
Application number
CN201410229674.9A
Other languages
Chinese (zh)
Other versions
CN104020315B (en
Inventor
屈斌
张宁
甘智勇
张利
王建
王梓越
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.)
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Tianjin Electric Power 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 State Grid Corp of China SGCC, State Grid Tianjin Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410229674.9A priority Critical patent/CN104020315B/en
Publication of CN104020315A publication Critical patent/CN104020315A/en
Application granted granted Critical
Publication of CN104020315B publication Critical patent/CN104020315B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The invention relates to a rotation speed sensor signal detection device, which comprises a handle, a power supply socket, a display screen, a button switch, a keyboard, a strip-shaped through hole and a sensor clip above the strip-shaped through hole which are arranged on the surface of the shell. The device also comprises a variable-frequency motor, a frequency converter, a single chip microcomputer, a signal adjusting chip, an infrared emitting diode and photodiode speed meter, an alternating current power supply and an AC/DC converter which are arranged inside the shell. A turntable is coaxially arranged on the left end head of the motor shaft; and the edge of the turntable is provided with an axial key phase groove. The invention creates a brand-new rotation speed sensor signal detection method, one hundred percent safe detection on the sensor can be realized in a physical quantity analog method, detection on working conditions of the sensor in different rotation speeds can be realized, the detection range is expanded, the detection ability is improved, and the detection data can be ensured to be fully and completely recorded.

Description

A kind of signals of rotational speed sensor verifying attachment
Technical field
The invention belongs to electric system sensor signal inspection technology field, especially a kind of signals of rotational speed sensor verifying attachment.
Background technology
When rotating machinery being carried out to vibration monitoring test, need to access vibration and tach signal.Wherein vibration signal is for recording the Oscillation Amplitude at unit each bearing, each position on time shaft; Tach signal is for recording the rotational speed of unit on time shaft, and data collection and analysis equipment can go out the two mutual corresponding calculating and plotting the collection of illustrative plates that is related to of vibration and rotating speed, and this is very important and crucial to carrying out Vibration Analysis diagnosis.The vibration monitoring test overwhelming majority is carried out for unit starting process, need to when compressor emergency shutdown, just to equipment, install vibration and speed probe, opens test and carry out monitoring record to starting overall process Vibration Condition before starting.If occur abnormal or malfunctioningly will being very serious problem so concerning monitoring test at unit starting process medium speed signal, this will cause the distortion of a large amount of significant datas even to be lost.And large-scale unit one-shot cost is at nearly 1,000,000 yuan, can not shut down debug signal again.Therefore in monitoring, start as last to test to guarantee that sensor signal is reliable and stable perfectly safe to signal, but at present the check of tach signal is gone back to the effective way of neither one, have very large drawback and leak.
Conventional speed probe is divided into two types, photoelectricity and eddy current, while using photoelectric sensor, need a Special reverse light belt on rotating shaft surface label in advance, infrared light-wave can be launched and accept to photoelectric probe, thereby the rotating shaft probe that often rotates a circle just can receive an infrared external reflection and reaches the measurement to rotating speed like this; While using eddy current sensor, need on rotating shaft surface, to drive a keyway in advance, probe can send electromagnetic field of high frequency makes peripheral conductor produce electromagnetic induction and survey this induction, the counting of realization to rotating speed thereby this induction receiving when one week keyway process probe of rotor changes.Present stage is to adopt hand to shake the method for reflective tape to the check of photoelectric sensor, and this method is very clumsy, easily causes personnel tired, and the hand frequency of shaking is lower often can not be identified by probe, more cannot know the duty of probe when high rotating speed.The situation that once occurred under the slow-speed of revolution non-metering under the high rotating speed of normal work.Eddy current sensor is not had to what good method, and just measuring sonde has no-voltage to pass back.This effect of playing for the duty of check probe is very little.
Summary of the invention
The object of the invention is, in order to overcome the deficiencies in the prior art, provides a kind of signals of rotational speed sensor verifying attachment.
The present invention solves its technical matters and takes following technical scheme to realize:
A kind of signals of rotational speed sensor verifying attachment, comprise device case, described housing is divided into left part housing, central enclosure and right part housing, upper surface in central enclosure is provided with handle, be convenient to the movement of device, on the front side wall of central enclosure, be fixed with supply socket, upper surface middle part at right part housing is fixed with display screen, front side is fixed with pushbutton switch, rear side is fixed with keyboard, in the upper surface middle part of left part housing, be shaped with the strip through hole of fore-and-aft direction, above strip through hole, being fixed with the sensor consisting of two intermediate plates presss from both sides, front end at sensor folder is shaped with the sensing station hole consisting of each semicircle of two intermediate plates over against strip through hole,
Middle part in housing is fixed with variable-frequency motor, the input of variable-frequency motor is connected with the control end of frequency converter, the input end of frequency converter is connected with the communication port of single-chip microcomputer, single-chip microcomputer utilizes respectively three I/O ports and keyboard, display screen and signal are adjusted chip and are connected, the input end that signal is adjusted chip is connected with infrared tube knotmeter, this infrared tube knotmeter is fixed on inner walls near the place of variable-frequency electric arbor, frequency converter is directly accessed on AC power one tunnel of access, one tunnel powers to single-chip microcomputer through AC/DC converter, the motor shaft of variable-frequency motor extends transverse to the left part in housing, left end head at motor shaft is coaxially installed rotating disk, at the edge of rotating disk, have an axial key phase groove.
And described variable-frequency motor rotating speed is in the scope of 0-3600rpm.
And described frequency converter is that model is Delta VFD015EL43A simple type frequency converter, the model of described single-chip microcomputer is msp430f149.
And, described rotating disk is for adopting aluminum alloy materials to make, thickness is 1cm, diameter 10cm, the key phase groove depth of described disk edge is 0.5cm, and wide is 1cm, key phase trench bottom polishing light, or post reflective tape, rotating disc remaining surface is all coated pitch-dark so that photoelectric sensor perception reflex signal.
And, in two clamping plate of described sensor folder, speckle with rubber blanket.
And, the rectangular opening that the strip through hole on described left part housing is 5cm * 2cm.
Advantage of the present invention and good effect are:
1, the present invention is directed to speed probe and in opening machine vibration monitoring, can only in the situation that there is no tach signal, carry out Installation and Debugging and must guarantee the sensor connecting line demand that normally nothing is delayed work, start a kind of brand-new signals of rotational speed sensor method of inspection.
2, the present invention has designed and has been specifically designed to the rotary simulation device that sends actual physical tach signal, with actual physical change, comes actuated sensor to reach the object to its check.The method is owing to being the method that has adopted physical quantity simulation, can realize safe against all possibilities sensor being tested.
3, in the present invention, adopt variable-frequency motor can realize the check to sensor working condition under different rotating speeds as rotating power source, widened test range, improved detectability.
4, in the present invention, on analogue means, innovate adopt clip fixture to play can be to sensor fast assembling-disassembling and the effect of adjustable range easily.Take this method can greatly improve the reliability of rotating machinery Vibration on Start-up monitoring test medium speed sensor, guarantee that test figure can complete documentation, improve test capability.
Accompanying drawing explanation
Fig. 1 is the external structure schematic diagram of apparatus of the present invention;
Fig. 2 is the inner structure schematic diagram of apparatus of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the invention process is further described, following examples are descriptive, are not determinate, can not limit protection scope of the present invention with this.
Inventive concept
Ultimate principle of the present invention is the rotation of emulation rotating machinery rotating shaft, with real physics rotating speed trigger sensor to check the job stability of the whether unimpeded of its signalling channel and equipment.
A kind of signals of rotational speed sensor verifying attachment, as shown in Figure 1, comprise device case, described housing is divided into left part housing 11, central enclosure 10 and right part housing 8, upper surface in central enclosure is provided with handle 4, be convenient to the movement of device, on the front side wall of central enclosure, be fixed with supply socket 9, upper surface middle part at right part housing is fixed with display screen 6, front side is fixed with pushbutton switch 7, rear side is fixed with keyboard 5, in the upper surface middle part of left part housing, be shaped with the strip through hole 1 of fore-and-aft direction, above strip through hole, be fixed with the sensor folder 3 being formed by two intermediate plates, front end at sensor folder is shaped with the sensing station hole 2 consisting of each semicircle of two intermediate plates over against strip through hole, as shown in Figure 2, middle part in housing is fixed with variable-frequency motor, the input of variable-frequency motor is connected with the control end of frequency converter, the input end of frequency converter is connected with the communication port of single-chip microcomputer, single-chip microcomputer utilizes respectively three I/O ports to be connected with keyboard, by keyboard, to single-chip microcomputer, send adjustment instruction, be connected with display screen, the rotating speed that shows constantly variable-frequency motor, adjusting chip with signal is connected, the signal of chip is adjusted in reception from signal, the input end that signal is adjusted chip is connected with infrared tube knotmeter, this knotmeter is fixed on inner walls near the place of variable-frequency electric arbor, be used for measuring variable-frequency motor rotating speed, frequency converter is directly accessed on AC power one tunnel of access, one tunnel powers to single-chip microcomputer through AC/DC converter, the motor shaft of variable-frequency motor extends transverse to the left part in housing, left end head at motor shaft is coaxially installed rotating disk, at the edge of rotating disk, have an axial key phase groove.
In specific embodiment of the invention, described variable-frequency motor rotating speed is in the scope of 0-3600rpm.
In specific embodiment of the invention, described frequency converter is that model is Delta VFD015EL43A simple type frequency converter, the model of described single-chip microcomputer is msp430f149, after inputting variable-frequency motor tachometer value by keyboard, be sent to single-chip microcomputer, single-chip microcomputer is sent to respectively display screen and frequency converter by this signal, frequency converter is controlled motor speed according to this control signal again, being fixed on infrared tube knotmeter side in housing obtains and this numerical signal is sent to signal after motor speed value and adjusts chip, signal is adjusted chip the signal after processing is dealt into single-chip microcomputer, single-chip microcomputer outputs to LCDs by this actual measurement rotating speed again.
In specific embodiment of the invention, described rotating disc is for adopting aluminum alloy materials to make, thickness is 1cm, diameter 10cm, the key phase groove depth at described rotating disc edge is 0.5cm, and wide is 1cm, key phase trench bottom polishing light, or post reflective tape, rotating disc remaining surface is all coated pitch-dark so that photoelectric sensor perception reflex signal.
In specific embodiment of the invention, in two clamping plate of described sensor folder, speckle with rubber blanket to improve friction force, better fixation of sensor.
In specific embodiment of the invention, the rectangular opening that the strip through hole on described left part housing is 5cm * 2cm.

Claims (6)

1. a signals of rotational speed sensor verifying attachment, it is characterized in that: comprise device case, described housing is divided into left part housing, central enclosure and right part housing, upper surface in central enclosure is provided with handle, be convenient to the movement of device, on the front side wall of central enclosure, be fixed with supply socket, upper surface middle part at right part housing is fixed with display screen, front side is fixed with pushbutton switch, rear side is fixed with keyboard, in the upper surface middle part of left part housing, be shaped with the strip through hole of fore-and-aft direction, above strip through hole, being fixed with the sensor consisting of two intermediate plates presss from both sides, front end at sensor folder is shaped with the sensing station hole consisting of each semicircle of two intermediate plates over against strip through hole,
Middle part in housing is fixed with variable-frequency motor, the input of variable-frequency motor is connected with the control end of frequency converter, the input end of frequency converter is connected with the communication port of single-chip microcomputer, single-chip microcomputer utilizes respectively three I/O ports and keyboard, display screen and signal are adjusted chip and are connected, the input end that signal is adjusted chip is connected with infrared tube knotmeter, this infrared tube knotmeter is fixed on inner walls near the place of variable-frequency electric arbor, frequency converter is directly accessed on AC power one tunnel of access, one tunnel powers to single-chip microcomputer through AC/DC converter, the motor shaft of variable-frequency motor extends transverse to the left part in housing, left end head at motor shaft is coaxially installed rotating disk, at the edge of rotating disk, have an axial key phase groove.
2. signals of rotational speed sensor verifying attachment according to claim 1, is characterized in that: described variable-frequency motor rotating speed is in the scope of 0-3600rpm.
3. signals of rotational speed sensor verifying attachment according to claim 1, is characterized in that: described frequency converter is that model is Delta VFD015EL43A simple type frequency converter, and the model of described single-chip microcomputer is msp430f149.
4. signals of rotational speed sensor verifying attachment according to claim 1, it is characterized in that: described rotating disk is for adopting aluminum alloy materials to make, thickness is 1cm, diameter 10cm, the key phase groove depth of described disk edge is 0.5cm, and wide is 1cm, key phase trench bottom polishing light, or post reflective tape, rotating disc remaining surface is all coated pitch-dark so that photoelectric sensor perception reflex signal.
5. signals of rotational speed sensor verifying attachment according to claim 1, is characterized in that: in two clamping plate of described sensor folder, speckle with rubber blanket.
6. signals of rotational speed sensor verifying attachment according to claim 1, is characterized in that: the rectangular opening that the strip through hole on described left part housing is 5cm * 2cm.
CN201410229674.9A 2014-05-28 2014-05-28 Rotation speed sensor signal detection device Active CN104020315B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410229674.9A CN104020315B (en) 2014-05-28 2014-05-28 Rotation speed sensor signal detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410229674.9A CN104020315B (en) 2014-05-28 2014-05-28 Rotation speed sensor signal detection device

Publications (2)

Publication Number Publication Date
CN104020315A true CN104020315A (en) 2014-09-03
CN104020315B CN104020315B (en) 2017-02-15

Family

ID=51437180

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410229674.9A Active CN104020315B (en) 2014-05-28 2014-05-28 Rotation speed sensor signal detection device

Country Status (1)

Country Link
CN (1) CN104020315B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104907131A (en) * 2015-06-01 2015-09-16 遵义市立新机械有限责任公司 Hammer crusher rotation speed monitoring system
CN105092895A (en) * 2015-08-12 2015-11-25 江苏海事职业技术学院 Speed sensor quality tester
CN106324289A (en) * 2016-10-31 2017-01-11 吉林大学 Verification system of automobile wheel speed real-time detector based on active vision

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632247A1 (en) * 1996-08-09 1998-02-12 Siemens Ag Motor vehicle speed measurement method and device
JP2003302421A (en) * 2002-04-11 2003-10-24 Nissan Motor Co Ltd Diagnostic device for revolution sensor
CN2762142Y (en) * 2004-07-30 2006-03-01 刘柏榆 Testing device for vehicle wheel speed sensor
CN101144828A (en) * 2006-09-13 2008-03-19 上海通运汽车科技有限公司 Non-contact speed gage calibrating apparatus
CN101769940A (en) * 2009-12-24 2010-07-07 宁波市北仑恒铁机电制造有限公司 Novel test device of photoelectric revolution speed transducer
CN102539837A (en) * 2011-12-26 2012-07-04 苏州工业园区广福汽保机电设备有限公司 Calibrator for calibrating revolution meter of diesel engine

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19632247A1 (en) * 1996-08-09 1998-02-12 Siemens Ag Motor vehicle speed measurement method and device
JP2003302421A (en) * 2002-04-11 2003-10-24 Nissan Motor Co Ltd Diagnostic device for revolution sensor
CN2762142Y (en) * 2004-07-30 2006-03-01 刘柏榆 Testing device for vehicle wheel speed sensor
CN101144828A (en) * 2006-09-13 2008-03-19 上海通运汽车科技有限公司 Non-contact speed gage calibrating apparatus
CN101769940A (en) * 2009-12-24 2010-07-07 宁波市北仑恒铁机电制造有限公司 Novel test device of photoelectric revolution speed transducer
CN102539837A (en) * 2011-12-26 2012-07-04 苏州工业园区广福汽保机电设备有限公司 Calibrator for calibrating revolution meter of diesel engine

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104907131A (en) * 2015-06-01 2015-09-16 遵义市立新机械有限责任公司 Hammer crusher rotation speed monitoring system
CN104907131B (en) * 2015-06-01 2017-12-19 遵义市立新机械有限责任公司 A kind of hammer mill rotation speed monitoring system
CN105092895A (en) * 2015-08-12 2015-11-25 江苏海事职业技术学院 Speed sensor quality tester
CN106324289A (en) * 2016-10-31 2017-01-11 吉林大学 Verification system of automobile wheel speed real-time detector based on active vision

Also Published As

Publication number Publication date
CN104020315B (en) 2017-02-15

Similar Documents

Publication Publication Date Title
CN204964011U (en) Vibration detection and failure diagnosis device of portable rotating machinery main shaft
CN104316781B (en) Non-contact electric tool performance device for quick testing
CN105527081B (en) Dynamic seal testing device
CN104020315A (en) Rotation speed sensor signal detection device
CN109115346A (en) A kind of rotatable parts temperature monitoring system
CN104155605B (en) The rotation of a kind of portable electric machine band becomes test equipment and the method for testing of motion control
ITMI20091028A1 (en) WIND POWER PLANT FOR THE GENERATION OF ELECTRICITY AND ITS CONTROL METHOD
CN102538875B (en) All-purpose tester of actuator
CN103868682A (en) Elevator speed governor test method and instrument
CN204177398U (en) Gyroscope proving installation
CN204116375U (en) A kind of device for testing elevator traction machine rotating speed
CN204228735U (en) Measure the device of motor speed
CN205120929U (en) Motor aging testing system
CN105527572A (en) System and method for detecting brush motor
CN102901646B (en) Motor train unit cooling apparatus testing table
CN108267691A (en) A kind of on-line detecting system of unmanned plane brushless motor
CN104931880B (en) Rotor intelligence beat test system
CN203597904U (en) Spin-drying detecting device for rotary mop
CN204142846U (en) Non-contact electric tool performance device for quick testing
CN209214914U (en) Rotating machinery bearing chamber vibrates examination value calibration facility
CN208872345U (en) A kind of equipment detecting instrument
CN202974675U (en) Test bed for cooling equipment of motor train unit
CN202119785U (en) Direct-driven motor rotator speed measuring device
CN202794220U (en) Sensor testing device of engine
CN206573600U (en) A kind of motor measures rotational speed devices

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C53 Correction of patent of invention or patent application
CB02 Change of applicant information

Address after: 300010 Tianjin city Hebei District Wujing Road No. 39

Applicant after: State Grid Corporation of China

Applicant after: State Grid Tianjin Electric Power Company

Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Applicant before: State Grid Corporation of China

Applicant before: State Grid Tianjin Electric Power Company

C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant