CN107024190A - A kind of non-contact displacement transducer calibration facility being used under hot environment - Google Patents
A kind of non-contact displacement transducer calibration facility being used under hot environment Download PDFInfo
- Publication number
- CN107024190A CN107024190A CN201710399052.4A CN201710399052A CN107024190A CN 107024190 A CN107024190 A CN 107024190A CN 201710399052 A CN201710399052 A CN 201710399052A CN 107024190 A CN107024190 A CN 107024190A
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- Prior art keywords
- sensor
- gauge block
- demarcation
- gauge
- hot environment
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 33
- 238000005259 measurement Methods 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 238000002474 experimental method Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 10
- 238000010030 laminating Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
The invention discloses a kind of non-contact displacement transducer calibration facility being used under hot environment, including：Base, sensor holder, position gauge block, demarcation gauge block, sensor probe, measurement clearance gauge；Sensor holder is connected by T-slot with base, and non-contact displacement transducer probe is installed on sensor holder；Position gauge block is used for determining to do the distance between sensor test surface of differential demarcation；Demarcation gauge block is used for simulating actual detected surface, sensor test surface is detected the distance between face with demarcation gauge block and determined by measuring clearance gauge, determine and all tightened apart from rear sensor holder and demarcation gauge block with bolt, then whole device is positioned in high-temperature cabinet and carries out calibration experiment.This equipment can be used to the differential demarcation of non-contact displacement transducer, it can also be used to the demarcation of single non-contact displacement transducer.The equipment that the present invention is designed, simple in construction, simple installation, the characteristics of there is convenient disassembly on the premise of ensureing measurement accuracy.
Description
Technical field
The present invention relates to sensor detection field, in particular it relates to the calibration facility of noncontacting proximity sensor, more particularly to
A kind of non-contact displacement transducer calibration facility being used under hot environment.
Background technology
Sensor be it is a kind of be used for experience measured information and the information experienced be transformed into electric signal or other signals
The device of output, noncontacting proximity sensor is a class therein, and eddy current displacement sensor is noncontacting proximity sensor
One kind, the features such as having fast response time, high resolution because of it, do not contacted with testee, is widely used in rotating machinery
The position of rotor is detected.
Need to carry out staking-out work before eddy current displacement sensor work, it is right with the distance range institute for calibrating its measurement
The linear voltage region answered.Existing eddy current displacement sensor calibration facility controls to be detected generally by micrometer caliper
The distance between face and sensor, and carry out contrast to complete staking-out work with corresponding sensor output voltage.The patent No.
Provide a kind of calibrating device for eddy sensor for CN201210010830.3 patent document, be exactly by micrometer caliper come
Command displacement variable quantity, but due to the accuracy of micrometer caliper, the device can not be put into hot environment and measure, if
Micrometer caliper is put into outside casing, then high-temperature cabinet needs to carry out special processing, very inconvenient.
In existing technology, without it is a kind of measure it is accurate and it is simple in construction be easy to assembling be used for hot environment under
The calibration facility of non-contact displacement transducer.
The content of the invention
The technical problem to be solved in the present invention is：For the deficiency in existing technology, propose a kind of for high temperature ring
Non-contact displacement transducer calibration facility under border, high-precision calibrating can be carried out to reach to sensor in high temperature environments
Purpose, while the characteristics of having simple in construction, easy to operate.
The technical solution adopted by the present invention is：A kind of non-contact displacement transducer demarcation being used under hot environment is set
Standby, the equipment includes base, sensor holder, position gauge block, demarcation gauge block, sensor probe, measurement clearance gauge；The base is band
Have the structure of three T-slots, for connecting sensor holder and gauge block, by adjust the position between sensor holder and gauge block come
Determine that sensor test surface and gauge block are detected the distance between face, and by will comprising base, demarcation gauge block, sensor holder,
Complete equipment including sensor, which is put into, to be entered the data acquisition of line sensor and obtains between sensor and gauge block under hot environment
Distance, is compared with actual value, so as to reach the purpose demarcated in high temperature environments to sensor.
Wherein, bootstrap block and connecting hole are arranged at the sensor holder bottom；Bootstrap block is used for and T-slot middle on base
Coordinate, it is ensured that sensor holder will not shake, so as to ensure aligning for sensor and gauge block；Connecting hole is used for the T with base
Type groove passes through T-slot bolt-connection, it is ensured that sensor holder will not be subjected to displacement, so as to ensure the accuracy of calibration experiment；Sensing
Its surface is designed on device seat top according to the fixed form of sensor probe, for fixing sensor probe.
Wherein, the position gauge block is used for determining the distance between two sensor test surfaces；For the biography used in pairs
Sensor, position gauge block is processed under length and condition of work the distance between two sensor test surfaces identical size, will
Sensor test surface fixes sensor holder after being fitted with position gauge block two ends, after position gauge block of dismantling between sensor test surface
Distance is exactly the distance between two sensor test surfaces under condition of work.
Wherein, the demarcation gauge block is used for simulating the detected face of condition of work lower sensor；Demarcate gauge block material therefor
Be sized to it is identical with the detected element under condition of work；Demarcation gauge block is arranged on base, and determines mark
The rear fixation of the distance between quantitative block and sensor test surface.
Wherein, the measurement clearance gauge is used for determining detection range；Measurement clearance gauge is chosen to the detection range phase with needing
With thickness after, will measurement clearance gauge clip to sensor test surface and demarcation gauge block be detected face between, make sensor test surface with
Demarcation gauge block fixes sensor holder and demarcation gauge block after being detected face and measurement clearance gauge laminating, then takes measurement clearance gauge away
Afterwards, detection range just can be determined.
Wherein, the sensor holder, demarcation gauge block, position gauge block, base, the material of sensor are exotic material.
Thus, the measuring method that the solution of the present invention is combined using gauge block with measurement clearance gauge, its advantage is：Will be away from
Separated from measurement with transducer calibration, survey tool does not enter hot environment, it is ensured that the accuracy of measurement, while also without
Design is processed further to high-temperature cabinet, the calibration facility uses modular combination form, can arbitrarily change sensor
With the distance in detected face, the effect of demarcation can be reached；The displacement that the calibration facility both can be used for differential detection work is passed
Sensor is demarcated, and can be used for the demarcation of the sensor of single sensor detecting work.While measurement accuracy is ensured, have
The characteristics of convenient disassembly.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the overall assembling schematic diagram of an embodiment of the present invention；
Fig. 2 is the understructure schematic diagram of an embodiment of the present invention；
Fig. 3 is the sensor holder structural representation of an embodiment of the present invention；
Fig. 4 is the position quantity block structure schematic diagram of an embodiment of the present invention；
Fig. 5 is the scalar quantity block structure schematic diagram of an embodiment of the present invention.
Fig. 6 is the sensor probe configuration schematic diagram of an embodiment of the present invention.
Embodiment
To make the purpose of the present invention, technical scheme and a little clearer, with reference to the present invention specific embodiment and
Corresponding accompanying drawing is clearly fully described by technical solution of the present invention.
The present invention design it is a kind of be used for hot environment under non-contact displacement transducer calibration facility (referring to Fig. 1-
5), the equipment includes base 1, sensor holder 2, position gauge block 3, demarcation gauge block 4, sensor probe 5, measurement clearance gauge 6.
The base 1 (referring to Fig. 2) is the structure with three T-slots 1.1, for connecting sensor holder 2 and gauge block
3、4.Test surface 5.1 and the demarcation of sensor probe 5 are determined by adjusting the position between sensor holder 2 and demarcation gauge block 4
The distance between detected face 4.1 of gauge block 4, and by the way that base 1, sensor holder 2, demarcation gauge block 4, sensor probe will be included
Complete equipment including 5 be put into enter under hot environment line sensor data acquisition obtain sensor probe 5 with demarcation gauge block 4 it
Between distance, compared with actual value, so as to reach the purpose demarcated in high temperature environments to sensor.
Bootstrap block 2.1 and connecting hole 2.2 are arranged at sensor holder 2 (referring to Fig. 3) bottom；Bootstrap block is used for and base
Middle T-slot 1.1 coordinates, it is ensured that sensor holder 2 will not shake, so as to ensure pair of sensor probe 5 and gauge block 3,4
Just；Connecting hole 2.2 is used to pass through T-slot bolt-connection with the T-slot 1.1 of base 1, it is ensured that sensor holder 2 will not be subjected to displacement,
So as to ensure the accuracy of calibration experiment；The top of sensor holder 2 sensor connecting hole is designed according to the fixed form of sensor
2.3, for fixing sensor probe 5.Sensor holder is designed according to the structure of sensor probe 5 in the embodiment, made
It can fix the sensor probe.
The position gauge block 3 (referring to Fig. 4) is used for determining the distance between test surface 5.1 of two sensor probes 5；It is right
In the displacement transducer used in pairs, the relative distance in working sensor environment is it has been determined that distance value includes its nominal
Apart from L and corresponding tolerance L', this relative distance is L+L'.Therefore in staking-out work, by the processing to position gauge block 3,
It is L+L' to make its length.First position gauge block 3 is arranged on base 1 by mounting hole when using, sensor will be installed afterwards
The sensor holder 2 of probe 5 is arranged on the both sides of position gauge block 3, and makes the detection faces 5.1 and position gauge block 3 of sensor probe 5
Sensor holder 2 is fixed on base by both ends of the surface 3.1 after contacting, and finally pulls down position gauge block 3, now two sensorses probe 5
The distance between be the distance between working condition lower sensor.
The demarcation gauge block 4 (referring to Fig. 5) is used for simulating the detected face of condition of work lower sensor；Demarcate the institute of gauge block 4
With material with being sized to identical with the detected element under condition of work, in this embodiment, examined during working sensor
The detection faces material of survey is 40CrNiMo steel alloys, is detected face a diameter of nominal diameter d and tolerance d', therefore will demarcate gauge block
4 both ends of the surface are processed into arc-shaped, and a diameter of d+d' of circular arc, so, demarcate gauge block 4 state just completely with work when
Sensor be detected face it is identical；Will demarcation gauge block 4 be arranged on base 1 on, and determine demarcation gauge block 4 be detected face 4.1 with
The rear fixation of the distance between the test surface 5.1 of sensor probe 5.
The measurement clearance gauge 6 is used for determining that detection range, i.e. sensor test surface 5.1 and demarcation gauge block are detected face 4.1
The distance between；If it is h to set sensor detection faces 5.1 to be detected the distance between face 4.1 with demarcation gauge block, measurement is filled in
The selection of chi 6 is combined as after thickness h, and measurement clearance gauge 6 is clipped into sensor test surface 5.1 and demarcation gauge block is detected between face 4.1,
By sensor holder 2 and demarcation gauge block 4 after making sensor detection faces 5.1 and demarcation gauge block being detected face 4.1 and measurement clearance gauge is fitted
Fixed, after then measurement clearance gauge 6 is taken away, detection range is h.
All it is installed in place in sensor probe 5, sensor holder 2, demarcation gauge block 4 and sensor is determined by the above method
The face of being detected is with after demarcation gauge block detection faces distance, whole calibration facility is positioned in high-temperature cabinet, and by the lead of sensor
Drawn from high-temperature cabinet, start staking-out work.
The calibration facility is used for the transducer calibration work carried out in high temperature environments, therefore its all is positioned over high temperature ring
Parts in border use exotic material, and in this embodiment, each parts material is respectively adopted：Base 1, sensor holder
2 and position gauge block 3 be 4Cr13 stainless steels, sensor probe 5 be ceramic material, demarcation gauge block 4 be 40CrNiMo steel alloys.
It is that calibration facility is used for the demarcation for the sensor that differential detection works shown in the embodiment.But the calibration facility
The sensor of differential detection work is not limited to, the transducer calibration of single sensor detecting work is can be used for, for any
The staking-out work of other non-contact displacement transducers, it would however also be possible to employ the calibration facility, only need to process fixed sensor
Sensor holder, position gauge block and demarcation gauge block.
Using technical solutions according to the invention, or those skilled in the art is under the inspiration of technical solution of the present invention,
Similar technical scheme is designed, and reaches above-mentioned technique effect, is to fall into protection scope of the present invention.
Claims (10)
1. it is a kind of be used for hot environment under non-contact displacement transducer calibration facility, the equipment include base, sensor holder,
Position gauge block, demarcation gauge block, sensor probe, measurement clearance gauge；It is characterized in that：The base is the knot with three T-slots
Structure, for connecting sensor holder and gauge block, determines that sensor is detected by adjusting the position between sensor holder and gauge block
Face is detected the distance between face with gauge block, and by by comprising whole including base, demarcation gauge block, sensor holder, sensor
Complete equipment, which is put into, to be entered the data acquisition of line sensor and obtains the distance between sensor and gauge block under hot environment, done with actual value
Compare, so as to reach the purpose demarcated in high temperature environments to sensor.
2. a kind of non-contact displacement transducer calibration facility being used under hot environment according to claim 1, it is special
Levy and be：Bootstrap block and connecting hole are arranged at the sensor holder bottom；Bootstrap block is used to coordinate with T-slot middle on base,
Ensure that sensor holder will not shake, so as to ensure aligning for sensor probe and gauge block；Connecting hole is used for T-shaped with base
Groove passes through T-slot bolt-connection, it is ensured that sensor holder will not be subjected to displacement, so as to ensure the accuracy of calibration experiment；Sensor
Seat top is designed according to the fixed form of sensor probe, for fixing sensor probe.
3. a kind of non-contact displacement transducer calibration facility being used under hot environment according to claim 1, it is special
Levy and be：The position gauge block is used for determining the distance between two sensor test surfaces；For the sensor used in pairs, position
Put gauge block and be processed under length and condition of work the distance between two sensor test surfaces identical size, sensor is visited
Sensor holder is fixed in survey face after being fitted with position gauge block both ends of the surface, and the distance between sensor test surface is just after position gauge block of dismantling
It is the distance between two sensor test surfaces under condition of work.
4. a kind of non-contact displacement transducer calibration facility being used under hot environment according to claim 1, it is special
Levy and be：The demarcation gauge block is used for simulating the detected face of condition of work lower sensor；Demarcate gauge block material therefor and size
It is processed to identical with the detected element under condition of work；Demarcation gauge block is arranged on base, and determines demarcation gauge block
With the rear fixation of the distance between sensor test surface.
5. a kind of transducer calibration equipment being used under contactless displacement hot environment according to claim 1, it is special
Levy and be：The measurement clearance gauge is used for determining range detection sensor；Measurement clearance gauge is chosen to the detection range phase with needing
After same thickness, measurement clearance gauge is clipped between sensor test surface and demarcation gauge block, makes sensor test surface and demarcation gauge block
Sensor holder and demarcation gauge block are fixed after detected face and measurement clearance gauge laminating, then will after measurement clearance gauge takes away, detection away from
From just can determining.
6. a kind of transducer calibration equipment being used under contactless displacement hot environment according to claim 1, it is special
Levy and be：The sensor holder, demarcation gauge block, position gauge block, base, the material of sensor are exotic material.
7. a kind of non-contact displacement transducer demarcation being used under hot environment according to claim any one of 1-6 is set
It is standby, it is characterised in that：The calibration facility is used for the transducer calibration work carried out in high temperature environments.
8. a kind of non-contact displacement transducer demarcation being used under hot environment according to claim any one of 1-6 is set
It is standby, it is characterised in that：The calibration facility is used for the demarcation for the sensor that differential detection works.
9. a kind of non-contact displacement transducer demarcation being used under hot environment according to claim any one of 1-6 is set
It is standby, it is characterised in that：The calibration facility is used for the demarcation of the sensor of single sensor detecting work.
10. a kind of non-contact displacement transducer demarcation being used under hot environment according to claim any one of 1-6
Equipment, it is characterised in that：The calibration facility is used for the staking-out work of contactless displacement displacement transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399052.4A CN107024190B (en) | 2017-05-31 | 2017-05-31 | A kind of non-contact displacement transducer calibration facility under hot environment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710399052.4A CN107024190B (en) | 2017-05-31 | 2017-05-31 | A kind of non-contact displacement transducer calibration facility under hot environment |
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| Publication Number | Publication Date |
|---|---|
| CN107024190A true CN107024190A (en) | 2017-08-08 |
| CN107024190B CN107024190B (en) | 2018-06-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710399052.4A Expired - Fee Related CN107024190B (en) | 2017-05-31 | 2017-05-31 | A kind of non-contact displacement transducer calibration facility under hot environment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813207A (en) * | 2019-03-18 | 2019-05-28 | 中国重汽集团大同齿轮有限公司 | A kind of AMT position sensor temperature drift test platform and its correction of temperature drift method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949470A (en) * | 1989-12-19 | 1990-08-21 | Aeroquip Corporation | Groove depth location gage |
| CN101526336A (en) * | 2009-04-20 | 2009-09-09 | 陈炳生 | Calibration method of linear structured light three-dimensional visual sensor based on measuring blocks |
| CN102252803A (en) * | 2011-04-29 | 2011-11-23 | 中国计量科学研究院 | Dynamic force calibrating device by laser absolute method |
| CN203642896U (en) * | 2013-12-17 | 2014-06-11 | 王德岭 | Linear displacement sensor on-line calibration clamp |
| CN105066930A (en) * | 2015-07-28 | 2015-11-18 | 奇瑞汽车股份有限公司 | Device and method for calibrating stay wire displacement sensor |
| CN205333035U (en) * | 2016-01-20 | 2016-06-22 | 天津大学 | Little displacement sensor calibration device based on high accuracy rectilinear translation platform |
-
2017
- 2017-05-31 CN CN201710399052.4A patent/CN107024190B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4949470A (en) * | 1989-12-19 | 1990-08-21 | Aeroquip Corporation | Groove depth location gage |
| CN101526336A (en) * | 2009-04-20 | 2009-09-09 | 陈炳生 | Calibration method of linear structured light three-dimensional visual sensor based on measuring blocks |
| CN102252803A (en) * | 2011-04-29 | 2011-11-23 | 中国计量科学研究院 | Dynamic force calibrating device by laser absolute method |
| CN203642896U (en) * | 2013-12-17 | 2014-06-11 | 王德岭 | Linear displacement sensor on-line calibration clamp |
| CN105066930A (en) * | 2015-07-28 | 2015-11-18 | 奇瑞汽车股份有限公司 | Device and method for calibrating stay wire displacement sensor |
| CN205333035U (en) * | 2016-01-20 | 2016-06-22 | 天津大学 | Little displacement sensor calibration device based on high accuracy rectilinear translation platform |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109813207A (en) * | 2019-03-18 | 2019-05-28 | 中国重汽集团大同齿轮有限公司 | A kind of AMT position sensor temperature drift test platform and its correction of temperature drift method |
| CN109813207B (en) * | 2019-03-18 | 2021-05-14 | 中国重汽集团大同齿轮有限公司 | AMT position sensor temperature drift test platform and temperature drift correction method thereof |
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| Publication number | Publication date |
|---|---|
| CN107024190B (en) | 2018-06-29 |
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Granted publication date: 20180629 |