CN107024190B - A kind of non-contact displacement transducer calibration facility under hot environment - Google Patents
A kind of non-contact displacement transducer calibration facility under hot environment Download PDFInfo
- Publication number
- CN107024190B CN107024190B CN201710399052.4A CN201710399052A CN107024190B CN 107024190 B CN107024190 B CN 107024190B CN 201710399052 A CN201710399052 A CN 201710399052A CN 107024190 B CN107024190 B CN 107024190B
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- sensor
- calibration
- gauge block
- displacement transducer
- block
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 31
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 25
- 239000000523 sample Substances 0.000 claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 24
- 238000005259 measurement Methods 0.000 claims abstract description 9
- 238000002474 experimental method Methods 0.000 claims abstract description 4
- 238000001514 detection method Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 10
- 238000013461 design Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 229910000851 Alloy steel Inorganic materials 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)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention discloses a kind of non-contact displacement transducer calibration facility under hot environment, including：Pedestal, position gauge block, calibration gauge block, sensor probe, measures clearance gauge at sensor holder；Sensor holder is connect by T-slot with pedestal, 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 calibration；Calibration gauge block is used for simulating actually detected surface, sensor test surface is detected the distance between face by measuring clearance gauge to determine with calibration gauge block, it determines and is all tightened apart from rear sensor holder and calibration 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 calibration of non-contact displacement transducer, it can also be used to the calibration of single non-contact displacement transducer.The equipment that the present invention designs, simple in structure, simple installation have the characteristics that convenient for disassembly and assembly under the premise of measurement accuracy is ensured.
Description
Technical field
The present invention relates to sensor detection fields, and in particular, to the calibration facility of noncontacting proximity sensor more particularly to
A kind of non-contact displacement transducer calibration facility 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 one kind therein, and eddy current displacement sensor is noncontacting proximity sensor
One kind because it has the characteristics that fast response time, high resolution, is not contacted with testee, is widely used in rotating machinery
The position of rotor is detected.
It needs to carry out staking-out work before eddy current displacement sensor work, it is right to calibrate the distance range of its measurement institute
The linear voltage region answered.Existing eddy current displacement sensor calibration facility is controlled generally by micrometer caliper and is detected
The distance between face and sensor, and compared with corresponding sensor output voltage to complete staking-out work.The patent No.
Patent document for CN201210010830.3 provides a kind of calibrating device for eddy sensor, be exactly by micrometer caliper come
Command displacement variable quantity, but due to the accuracy of micrometer caliper, which can not be put into hot environment and measure, if
Micrometer caliper is put into outside babinet, 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 structure convenient for assembling under hot environment
The calibration facility of non-contact displacement transducer.
Invention content
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 can carry out high-precision calibrating to sensor under high temperature environment to reach
Purpose, while there is the characteristics of simple in structure, easy to operate.
The technical solution adopted by the present invention is：A kind of non-contact displacement transducer calibration under hot environment is set
Standby, which includes pedestal, sensor holder, position gauge block, calibration gauge block, sensor probe, measures clearance gauge；The pedestal is band
There are three the structures of T-slot, for connecting sensor holder and gauge block, come by adjusting the position between sensor holder and gauge block
Determine that sensor test surface and gauge block are detected the distance between face, and pass through by comprising pedestal, calibration gauge block, sensor holder,
The data that complete equipment including sensor is put under hot environment into line sensor are collected between sensor and gauge block
Distance is compared with actual value, so as to achieve the purpose that sensor is demarcated under high temperature environment.
Wherein, bootstrap block and connecting hole are arranged at the sensor holder bottom；Bootstrap block is used for and T-slot intermediate on pedestal
Cooperation ensures that sensor holder will not shake, so as to ensure sensor and gauge block to just；Connecting hole is for the T with pedestal
Type groove ensures that sensor holder will not be subjected to displacement, so as to ensure the accuracy of calibration experiment by T-slot bolt-connection；Sensing
Its surface is designed in 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 are processed to the identical size of the distance between length and two sensor test surfaces under operating condition, will
Sensor test surface fixes sensor holder after being bonded with position gauge block both ends, after position gauge block of dismantling between sensor test surface
Distance is exactly the distance between two sensor test surfaces under operating condition.
Wherein, the calibration gauge block is used for simulating the detected face of operating condition lower sensor；Demarcate gauge block material therefor
Be sized to it is identical with the detected element under operating condition；Calibration gauge block is mounted on pedestal, and determine mark
The rear fixation of quantitative the distance between 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 measure clearance gauge clip to sensor test surface and calibration gauge block be detected face between, make sensor test surface with
Calibration gauge block is detected face and fixes sensor holder and calibration gauge block after measuring clearance gauge fitting, then will measure clearance gauge and takes away
Afterwards, detection range can determine.
Wherein, the sensor holder, calibration gauge block, position gauge block, pedestal, sensor material be heat-resisting material.
The measuring method that the solution of the present invention is combined using gauge block with measuring clearance gauge as a result, advantage are：It will be away from
It being detached from measuring with transducer calibration, survey tool does not enter hot environment, ensure that the accuracy of measurement, while also without
High-temperature cabinet is processed further designing, which uses modular combination form, can arbitrarily change sensor
With the distance in detected face, it can achieve the effect that calibration；The displacement that the calibration facility both can be used for differential detection work passes
Sensor is demarcated, and can be used for the calibration of the sensor of single sensor detecting work.While measurement accuracy is ensured, have
The characteristics of convenient for disassembly and assembly.
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Description of the drawings
Fig. 1 is the whole 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 structure diagram 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.
Specific embodiment
To make the purpose of the present invention, technical solution and a little clearer, with reference to specific embodiments of the present invention and
Corresponding attached drawing is clearly fully described by technical solution of the present invention.
The present invention design it is a kind of under hot environment non-contact displacement transducer calibration facility (referring to Fig. 1-
5), which includes pedestal 1, sensor holder 2, position gauge block 3, calibration gauge block 4, sensor probe 5, measures clearance gauge 6.
The pedestal 1 (referring to Fig. 2) is structure of the band there are three T-slot 1.1, for connecting sensor holder 2 and gauge block
3、4.By adjusting sensor holder 2 and calibration gauge block 4 between position come determine the test surface 5.1 of sensor probe 5 with calibration
The distance between detected face 4.1 of gauge block 4, and pass through will comprising pedestal 1, sensor holder 2, calibration gauge block 4, sensor probe
Complete equipment including 5 be put under hot environment into the data of line sensor collect sensor probe 5 with calibration gauge block 4 it
Between distance, compared with actual value, so as to achieve the purpose that sensor is demarcated under high temperature environment.
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 pedestal
Intermediate T-slot 1.1 coordinates, and ensures 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 for the T-slot 1.1 of pedestal 1 through T-slot bolt-connection, and guarantee sensor holder 2 will not be subjected to displacement,
So as to ensure the accuracy of calibration experiment；2 top of sensor holder 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, is made
It can fix the sensor probe.
The distance between the test surface 5.1 of the position gauge block 3 (referring to Fig. 4) for determining two sensor probes 5；It is right
In the displacement sensor used in pairs, the relative distance in working sensor environment is it has been determined that distance value includes its nominal
Distance L and corresponding tolerance L', this relative distance are L+L'.Therefore in staking-out work, by the processing to position gauge block 3,
Make the length of L+L'.First position gauge block 3 is mounted on by mounting hole on pedestal 1 during use, sensor will be installed later
The sensor holder 2 of probe 5 is mounted on 3 both sides of position gauge block, and makes the detection faces 5.1 of sensor probe 5 and position gauge block 3
Sensor holder 2 is fixed on pedestal by both ends of the surface 3.1 after contacting, and finally removes position gauge block 3, at this time two sensors probe 5
The distance between i.e. be in working condition the distance between lower sensor.
It is described to demarcate gauge block 4 (referring to Fig. 5) for simulating the detected face of operating condition lower sensor；Demarcate 4 institute of gauge block
With material with being sized to identical with the detected element under operating condition, in this embodiment, when working sensor, is examined
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, in this way, calibration gauge block 4 state just completely with work when
Sensor to be detected face identical；Will calibration gauge block 4 be mounted on pedestal 1 on, and determine calibration gauge block 4 be detected face 4.1 with
The rear fixation of the distance between 5 test surface 5.1 of sensor probe.
The measurement clearance gauge 6 is used for determining detection range, i.e. sensor test surface 5.1 and calibration gauge block is detected face 4.1
The distance between；If setting sensor detection faces 5.1 are detected the distance between face 4.1 as h with calibration gauge block, filled in measuring
Ruler 6 selection be combined as thickness h after, will measure clearance gauge 6 clip to sensor test surface 5.1 and calibration gauge block be detected face 4.1 between,
Sensor detection faces 5.1 is made to be detected face 4.1 with calibration gauge block and measure sensor holder 2 and calibration gauge block 4 after clearance gauge is bonded
It is fixed, it then will measure after clearance gauge 6 takes away, detection range is h.
It is all installed in place in sensor probe 5, sensor holder 2, calibration gauge block 4 and passes through the above method and determine sensor
The face of being detected is with after calibration gauge block detection faces distance, entire calibration facility is positioned in high-temperature cabinet, and by the lead of sensor
It is drawn from high-temperature cabinet, starts staking-out work.
The calibration facility is used for the transducer calibration carried out under high temperature environment work, therefore its all is positioned over high temperature ring
Parts in border are using heat-resisting material, and in this embodiment, each parts material is respectively adopted：Pedestal 1, sensor holder
2 and position gauge block 3 be 4Cr13 stainless steels, sensor probe 5 be ceramic material, calibration gauge block 4 be 40CrNiMo steel alloys.
It is calibration of the calibration facility for the sensor of differential detection work 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 can also use the calibration facility, only need to process fixed sensor
Sensor holder, position gauge block and calibration gauge block.
Using technical solutions according to the invention or those skilled in the art under the inspiration of technical solution of the present invention,
Similar technical solution is designed, and reaches above-mentioned technique effect, is to fall into protection scope of the present invention.
Claims (8)
1. a kind of non-contact displacement transducer calibration facility under hot environment, the equipment include pedestal, sensor holder,
Position gauge block, sensor probe, measures clearance gauge at calibration gauge block；It is characterized in that：The pedestal is knot of the band there are three T-slot
Structure, for connecting sensor holder and position gauge block, calibration gauge block, by adjusting the position between sensor holder and calibration gauge block
Come determine sensor test surface with calibration gauge block be detected the distance between face, and pass through will comprising pedestal, calibration gauge block, sensing
The data that complete equipment including device seat, sensor is put under hot environment into line sensor collect sensor and scalar quantity
The distance between block is compared with actual value, so as to achieve the purpose that sensor is demarcated under high temperature environment；
The position gauge block is used for determining the distance between two sensor test surfaces；For the sensor used in pairs, position
Gauge block is processed to the identical size of the distance between length and two sensor test surfaces under operating condition, and sensor is detected
Sensor holder is fixed in face after being bonded with position gauge block both ends of the surface, and the distance between sensor test surface is exactly after position gauge block of dismantling
The distance between two sensor test surfaces under operating condition；
The calibration gauge block is used for simulating the detected face of operating condition lower sensor；Calibration gauge block material therefor is added with size
Work is into identical with the detected element under operating condition；Calibration gauge block is mounted on pedestal, and determines calibration gauge block with passing
The rear fixation of the distance between sensor test surface.
2. a kind of non-contact displacement transducer calibration facility under hot environment according to claim 1, special
Sign is：Bootstrap block and connecting hole are arranged at the sensor holder bottom；Bootstrap block is used to coordinate with T-slot intermediate on pedestal,
Ensure that sensor holder will not shake, so as to ensure sensor probe and gauge block to just；Connecting hole is for T-shaped with pedestal
Slot ensures that sensor holder will not be subjected to displacement, so as to ensure the accuracy of calibration experiment by T-slot bolt-connection；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 under hot environment according to claim 1, special
Sign is：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, clearance gauge will be measured and clipped between sensor test surface and calibration gauge block, make sensor test surface and calibration gauge block
Detected face and sensor holder and calibration gauge block are fixed after measuring clearance gauge fitting, then will measured after clearance gauge takes away, detect away from
From can determine.
4. a kind of non-contact displacement transducer calibration facility under hot environment according to claim 1, special
Sign is：The sensor holder, calibration gauge block, position gauge block, pedestal, sensor material be heat-resisting material.
5. it is set according to a kind of non-contact displacement transducer calibration under hot environment of claim 1-4 any one of them
It is standby, it is characterised in that：The calibration facility is used for the transducer calibration carried out under high temperature environment work.
6. it is set according to a kind of non-contact displacement transducer calibration under hot environment of claim 1-4 any one of them
It is standby, it is characterised in that：The calibration for the sensor that the calibration facility works for differential detection.
7. it is set according to a kind of non-contact displacement transducer calibration under hot environment of claim 1-4 any one of them
It is standby, it is characterised in that：The calibration facility is used for the calibration of the sensor of single sensor detecting work.
8. it is set according to a kind of non-contact displacement transducer calibration under hot environment of claim 1-4 any one of them
It is standby, it is characterised in that：The calibration facility is used for the staking-out work of contactless displacement displacement sensor.
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 |
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| Application Number | Priority Date | Filing Date | Title |
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| 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 |
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| CN107024190A CN107024190A (en) | 2017-08-08 |
| CN107024190B true CN107024190B (en) | 2018-06-29 |
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| 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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| 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 | Priority date | Publication date | Assignee | Title |
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| US4949470A (en) * | 1989-12-19 | 1990-08-21 | Aeroquip Corporation | Groove depth location gage |
| CN101526336B (en) * | 2009-04-20 | 2011-08-24 | 陈炳生 | Calibration method of linear structured light three-dimensional visual sensor based on measuring blocks |
| CN102252803B (en) * | 2011-04-29 | 2012-09-19 | 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 |
| CN105066930B (en) * | 2015-07-28 | 2017-10-20 | 奇瑞汽车股份有限公司 | The caliberating device and scaling method of a kind of 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 |
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Granted publication date: 20180629 |