CN202903420U - Simple pressure calibration device of an annular pressure sensor - Google Patents
Simple pressure calibration device of an annular pressure sensor Download PDFInfo
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- CN202903420U CN202903420U CN 201220344936 CN201220344936U CN202903420U CN 202903420 U CN202903420 U CN 202903420U CN 201220344936 CN201220344936 CN 201220344936 CN 201220344936 U CN201220344936 U CN 201220344936U CN 202903420 U CN202903420 U CN 202903420U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 210000004907 gland Anatomy 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 15
- 229920001971 elastomer Polymers 0.000 claims description 11
- 239000000806 elastomer Substances 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 5
- 230000000295 complement effect Effects 0.000 claims description 3
- 238000012545 processing Methods 0.000 claims description 3
- 238000005457 optimization Methods 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000005570 vertical transmission Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000011088 calibration curve Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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Abstract
The utility model relates to a simple pressure calibration device of an annular pressure sensor, which belongs to the technical field of sensor calibration. A loading pulley bracket and a load beam bracket are mounted on a bottom plate; a loading pulley rolls and connects with a loading pulley support shaft fixed with the loading pulley bracket; the middle part of a load beam rolls and connects with a load beam support shaft fixed with the load beam bracket; one end of the load beam is connected with a loading magnet by winding a loading steel wire on the loading pulley, the lower end of the loading magnet is connected with a loading weight by magnetic force, the other end of the load beam is vertically connected with a load bolt by a locking nut; an electronic scale is arranged on the lower end of the load bolt of the bottom plate, an elastic body is arranged on the electronic scale and connected with a digital strain gauge by a signal line, and a load pressure cover presses on the elastic body of the sensor. The simple pressure calibration device has the advantages of simple structure, convenient operation, low cost, and optimization of the loading accuracy and the loading way.
Description
Technical field
The utility model relates to a kind of simple and easy pressure calibrating device of annular pressure sensor, belongs to the transducer calibration field.
Background technology
Demarcation to the critical component pressure transducer of pressure measuring device is the most important link that guarantees equipment precision.The pressure transducer of equipment choosing generally has good static accuracy and dynamic accuracy, can satisfy the technical indicator of equipment, but pressure transducer environment for use in measuring equipment changes, such as: simulation model amplifying circuit and digital conversion circuit can make that signal produces that distortion, feed circuit signal are disturbed, cable can cause static line sexual deviation, zero point drift and sensitivity drift to signal attenuation etc.Therefore be necessary that pressure transducer is carried out secondary demarcates to compensate its newly-increased uncertainty, this demarcation under the emulation environment for use is called on-site proving.The scaling method of pressure transducer be the standard value that produces of a kind of standard device as the ruler of tolerance, be input in the sensor to be calibrated, obtain the output quantity of sensor; Then determine calibration curve by numerical approach, and compare process with data after, corresponding relation and its degree of accuracy between just can obtaining input and exporting.
Traditional pressure calibration professional equipment such as reference load calibration machine, piston gage maintenance cost are higher, and suitable environment has certain limitations, can't satisfy the on-site proving requirement of most of Test Cycles; Traditional pressure calibration simple machine such as various force measurement counter poise are subjected to the man's activities such as loading position, load mode larger, all are difficult to satisfy loop sensor and prepare on the spot the requirement of demarcating.
The utility model content
The purpose of this utility model is that equipment maintenance cost height, complex structure, suitable environment limitation Yamato in the situation that guarantees measuring accuracy that will solve the traditional endless pressure sensor calibrating are the large problem of impact.And a kind of simple and easy pressure calibrating device of annular pressure sensor is provided, the utility model also discloses described a kind of simple and easy annular pressure cell pressure caliberating device carries out pressure calibration to loop sensor the method for using.
The purpose of this utility model is achieved through the following technical solutions:
The simple and easy pressure calibrating device of a kind of annular pressure sensor of the present utility model comprises loading electromagnet, loading counterweight, loading steel wire, loading pulley bracket, loads pulley support axle, loading pulley, load beam, load beam support, load beam back shaft, load bolt, set nut, load gland, annular pressure sensor, electronic scales, base plate; The annular pressure sensor should comprise elastic body, signal wire, termination, digital strainometer;
Loading pulley bracket and load beam support is installed on the base plate; Load pulley rolling and be connected on the loading pulley support axle fixing with loading pulley bracket, the loading pulley can be rotated around loading the pulley support axle; Rolling and be connected on the load beam back shaft of fixing with the load beam support in the load beam middle part, makes load beam do lever motion with the load beam back shaft; One end of load beam is connected with the loading electromagnet around loading pulley by loading steel wire, load the electromagnet lower end and connect the loading counterweight by magnetic force, the other end of load beam vertically connects the load bolt by set nut, makes the link position of load bolt on load beam adjustable; Electronic scales is placed on the load bolt lower end of base plate, and elastic body is placed on the electronic scales, and elastic body is connected with digital strainometer by signal wire, and the load gland is pressed on the sensor elastomer.
Load pulley and loading installation loading pulley position rolling bearing between the pulley support axle, installation load crossbeam position rolling bearing between load beam and load beam back shaft, good to guarantee the calibration system transmission, the measuring error that reduces friction and bring;
By cooperating the horizontal screens of seam, prevent that load gland and sensor elastomer from laterally sliding in loading procedure between load gland and the sensor elastomer;
The lower end processing conical head of loading bolt, load gland center is processed with the cone tank that is complementary with loading bolt, and is accurately unique to guarantee loading position.
Be reserved with the back shaft connecting hole on the load beam, load beam is rolled by different back shaft connecting hole load beam supports and is connected, realize loading the moment variations of electromagnet end and load bolt end, can reduce the sample size that loads counterweight, make loaded weight convenient controlled.
The course of work
In the situation that the proof load crossbeam is horizontal, the adjusting lock nut fits load bolt and load gland, loading electromagnet connection loading counterweight, through load pulley and load beam with loading force by the vertical transmission of load bolt to the load gland that is pressed on the sensor elastomer, change the weight that loads counterweight, the each loading of record Different Weight obtains the corresponding reading of electronic scales and digital strainometer, analyzes accurately calibrating parameters with this data typing and by linear fit.
Beneficial effect:
A kind of simple and easy annular pressure cell pressure caliberating device of the present utility model is simple in structure, easy to operate, with low cost, optimized the device loading accuracy, can guarantee that heap(ed) capacity is evenly accurate, loading direction is unique, and optimized load mode, made loading procedure become laborsaving controlled.
Description of drawings
Fig. 1 is the simple and easy pressure calibrating device structural representation of annular pressure sensor of the present utility model;
Fig. 2 is the connection diagram of annular pressure Sensor section in the utility model device;
Wherein: 1-loads electromagnet; 2-loads counterweight; 3-loads steel wire; 4-loads pulley bracket; 5-loads the pulley support axle; 6-loads pulley position rolling bearing; 7-loads pulley; The 8-load beam; 9-load beam support; 10-load beam back shaft; 11-load beam position rolling bearing; 12-load bolt; The 13-set nut; 14-load gland; The 15-sensor elastomer; The 16-electronic scales; The 17-base plate; The 18-signal wire; The 19-termination; The 20-digital strainometer.
Embodiment
Below in conjunction with drawings and Examples the utility model is further described:
Embodiment
The simple and easy pressure calibrating device of a kind of annular pressure sensor of the present utility model comprises loading electromagnet 1, loading counterweight 2, loading steel wire 3, loading pulley bracket 4, loading pulley support axle 5, loading pulley position rolling bearing 6, loading pulley 7, load beam 8, load beam support 9, load beam back shaft 10, load beam position rolling bearing 11, load bolt 12, set nut 13, load gland 14, annular pressure sensor, electronic scales 16, base plate 17; The annular pressure sensor should comprise elastic body 15, signal wire 18, termination 19, digital strainometer 20.The lower end processing conical head of loading bolt 12, load gland 14 centers are processed with the cone tank that is complementary with loading bolt 12;
Loading pulley bracket 4 and load beam support 9 is installed on the base plate 17; Load pulley 7 and roll and be connected on the loading pulley support axle 5 fixing with loading pulley bracket 4, make load pulley 7 can be around loading 5 rotations of pulley support axle, load pulley 7 and load to install between the pulley support axle 5 and load pulley position rolling bearing 6; Rolling and be connected on the load beam back shaft 10 of fixing with load beam support 9 in load beam 8 centers, makes load beam 8 do lever motion with load beam back shaft 10; Installation load crossbeam position rolling bearing 11 between load beam 8 and the load beam back shaft 10; One end of load beam 8 is connected with loading electromagnet 1 around loading pulley 7 by loading steel wire 3, load electromagnet 1 lower end and connect loading counterweight 2 by magnetic force, the other end of load beam 8 makes the link position of load bolt 12 on load beam 8 adjustable by the set nut 13 vertical load bolts 12 that connect; Electronic scales 16 is placed on load bolt 12 lower ends of base plate 17, elastic body 15 is placed on the electronic scales 16, elastic body 15 is connected with digital strainometer 20 by signal wire 18, load gland 14 is pressed on the sensor elastomer 15, and load gland 14 and sensor elastomer 15 are by cooperating the horizontal screens of seam;
The course of work
In the situation that proof load crossbeam 8 is horizontal, adjusting lock nut 13 fits the conical indenter of load bolt 12 and the cone tank of load gland 14, loading electromagnet 1 connection loading counterweight 2, through load pulley 7 and load beam 8 with loading force by 12 vertical transmissions of load bolt to the load gland 14 that is pressed on the sensor elastomer 15, change the weight that loads counterweight 2, the each loading of record Different Weight obtains the corresponding reading of electronic scales 16 and digital strainometer 20, analyzes accurately calibrating parameters with this data typing and by linear fit.
Take sensor elastomer 15 models as CLB-ZXL-S009 as example, adopt device of the present utility model to obtain pressure calibration concrete each calibration point parameter result such as following table:
Claims (5)
1. the simple and easy pressure calibrating device of an annular pressure sensor is characterized in that: comprise loading electromagnet, loading counterweight, loading steel wire, loading pulley bracket, load pulley support axle, loading pulley, load beam, load beam support, load beam back shaft, load bolt, set nut, load gland, annular pressure sensor, electronic scales, base plate; The annular pressure sensor should comprise elastic body, signal wire, termination, digital strainometer;
Loading pulley bracket and load beam support is installed on the base plate; Load pulley rolling and be connected on the loading pulley support axle fixing with loading pulley bracket, the loading pulley can be rotated around loading the pulley support axle; Rolling and be connected on the load beam back shaft of fixing with the load beam support in the load beam middle part, makes load beam do lever motion with the load beam back shaft; One end of load beam is connected with the loading electromagnet around loading pulley by loading steel wire, load the electromagnet lower end and connect the loading counterweight by magnetic force, the other end of load beam vertically connects the load bolt by set nut, makes the link position of load bolt on load beam adjustable; Electronic scales is placed on the load bolt lower end of base plate, and elastic body is placed on the electronic scales, and elastic body is connected with digital strainometer by signal wire, and the load gland is pressed on the sensor elastomer.
2. the simple and easy pressure calibrating device of a kind of annular pressure sensor as claimed in claim 1, it is characterized in that: loading pulley and loading installation loading pulley position rolling bearing between the pulley support axle, installation load crossbeam position rolling bearing between load beam and load beam back shaft.
3. the simple and easy pressure calibrating device of a kind of annular pressure sensor as claimed in claim 1 is characterized in that: between load gland and the sensor elastomer by cooperating the horizontal screens of seam.
4. the simple and easy pressure calibrating device of a kind of annular pressure sensor as claimed in claim 1 is characterized in that: the lower end processing conical head of loading bolt, load gland center is processed with the cone tank that is complementary with loading bolt.
5. the simple and easy pressure calibrating device of a kind of annular pressure sensor as claimed in claim 1, it is characterized in that: be reserved with the back shaft connecting hole on the load beam, load beam is rolled by different back shaft connecting hole load beam supports and is connected, and realizes loading the moment variations of electromagnet end and load bolt end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344936 CN202903420U (en) | 2012-07-13 | 2012-07-13 | Simple pressure calibration device of an annular pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220344936 CN202903420U (en) | 2012-07-13 | 2012-07-13 | Simple pressure calibration device of an annular pressure sensor |
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| CN202903420U true CN202903420U (en) | 2013-04-24 |
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| CN 201220344936 Expired - Fee Related CN202903420U (en) | 2012-07-13 | 2012-07-13 | Simple pressure calibration device of an annular pressure sensor |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634590A (en) * | 2013-11-07 | 2015-05-20 | 株式会社神户制钢所 | Calibrating apparatus of tire testing machine and calibrating method of tire testing machine |
| CN105222951A (en) * | 2015-10-09 | 2016-01-06 | 舟山市质量技术监督检测研究院 | A kind of pick-up unit for force measurement instrument |
| CN105953975A (en) * | 2016-07-19 | 2016-09-21 | 农业部南京农业机械化研究所 | Weight and lever type removable static calibration device and calibration method |
| CN106053046A (en) * | 2016-07-19 | 2016-10-26 | 农业部南京农业机械化研究所 | Soil bin test table |
| CN109632183A (en) * | 2019-01-22 | 2019-04-16 | 北京邮电大学 | A kind of pressure sensor calibrating experimental provision based on worm and gear |
| CN114812779A (en) * | 2022-05-19 | 2022-07-29 | 上海晟纤复合材料科技有限公司 | An adjustable electromagnetic weight and its use method |
-
2012
- 2012-07-13 CN CN 201220344936 patent/CN202903420U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104634590A (en) * | 2013-11-07 | 2015-05-20 | 株式会社神户制钢所 | Calibrating apparatus of tire testing machine and calibrating method of tire testing machine |
| CN104634590B (en) * | 2013-11-07 | 2017-04-19 | 株式会社神户制钢所 | Calibrating apparatus of tire testing machine and calibrating method of tire testing machine |
| CN105222951A (en) * | 2015-10-09 | 2016-01-06 | 舟山市质量技术监督检测研究院 | A kind of pick-up unit for force measurement instrument |
| CN105953975A (en) * | 2016-07-19 | 2016-09-21 | 农业部南京农业机械化研究所 | Weight and lever type removable static calibration device and calibration method |
| CN106053046A (en) * | 2016-07-19 | 2016-10-26 | 农业部南京农业机械化研究所 | Soil bin test table |
| CN109632183A (en) * | 2019-01-22 | 2019-04-16 | 北京邮电大学 | A kind of pressure sensor calibrating experimental provision based on worm and gear |
| CN109632183B (en) * | 2019-01-22 | 2020-06-26 | 北京邮电大学 | Pressure sensor calibration experimental device based on worm gear |
| CN114812779A (en) * | 2022-05-19 | 2022-07-29 | 上海晟纤复合材料科技有限公司 | An adjustable electromagnetic weight and its use method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130424 Termination date: 20160713 |
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| CF01 | Termination of patent right due to non-payment of annual fee |