CN104089741A - Pressure distribution sensor calibration measuring apparatus - Google Patents
Pressure distribution sensor calibration measuring apparatus Download PDFInfo
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- CN104089741A CN104089741A CN201410255233.6A CN201410255233A CN104089741A CN 104089741 A CN104089741 A CN 104089741A CN 201410255233 A CN201410255233 A CN 201410255233A CN 104089741 A CN104089741 A CN 104089741A
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- upper cover
- pressure distribution
- solenoid valve
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Abstract
The invention discloses a pressure distribution sensor calibration measuring apparatus. The apparatus comprises a base. Side edge limiting strips are respectively fixed at the two side edge positions on the base, an upper cover covers above the base and is supported by the side edge limiting strips, the base, the two side edge limiting strips and the upper cover enclose to form a test through cavity, a withdrawable test plate is slidingly installed in the test through cavity and is provided with a shallow groove, an elastic pressure fame is fixed at the bottom of the upper cover and is internally provided with a flexible rubber film, the edge of the flexible rubber film is closely connected with the inner frame wall of the elastic pressure frame to form one body, the upper cover, the elastic pressure frame and the flexible rubber film enclose to form a gas chamber, and the upper cover is internally provided with an air exhaust hole, an air inlet, an air outlet and a pressure gauge connection hole which communicate with the inside and the outside of the gas chamber. According to the invention, air pressurizing is employed, whole-surface pressurizing calibration of a pressure distribution sensor can be realized, the uniformity of whole-surface pressurizing can be ensured, and the apparatus provided by the invention can be applied to calibration measuring of pressure distribution sensors of various dimensions.
Description
Technical field
The present invention relates to pressure distribution sensor measurement mechanism field, specifically a kind of pressure distribution sensor calibration measurements device.
Background technology
pressure distribution sensor is distributed on polyurethane film and is formed by array arrangement or other arrangement modes by multiple pressure transducers, existing pressure distribution sensor scaling method is inherited the scaling method of one-dimensional power/pressure transducer, and single-sensor point is demarcated respectively record data.Because pressure distributed sensor is different from tradition, it is that several thousand sensor points are distributed on the polyurethane film of certain area, if sensor points is demarcated to time and effort consuming one by one, has the problem of calibration measurements inefficiency.
summary of the inventionthe object of this invention is to provide a kind of pressure distribution sensor calibration measurements device, to solve the problem of prior art pressure distribution sensor calibration measuring method inefficiency.
In order to achieve the above object, the technical solution adopted in the present invention is:
Pressure distribution sensor calibration measurements device, include base, it is characterized in that: on base, dual-side position is fixed with respectively the side positive stop strip parallel with chassis side, also include upper cover, drawable type test board, described upper cover covers above base and by dual-side positive stop strip and supports, and upper cover two bottom sides is fixedly connected with respective side side positive stop strip respectively, by base, dual-side positive stop strip, upper cover surrounds test cavity, described drawable type test board is slidably mounted in test cavity, and on drawable type test board, be provided with the shallow slot of placing for pressure distribution sensor, described upper cover bottom is fixed with by the end to end elasticity press box surrounding of multiple elastic layerings, described elasticity press box is suspended from drawable type test board top, in elasticity press box, be provided with flexible rubber film, described flexible rubber film edge and elasticity press box inside casing wall closely connect as one, by upper cover, elasticity press box, flexible rubber film surrounds air chamber, in described upper cover, have and be communicated with the inside and outside aspirating hole of air chamber, air admission hole, venthole, tensimeter connects hole, wherein in upper cover, air admission hole is connected with a source of the gas by pipeline, aspirating hole be connected with an aspiration pump by pipeline, venthole is connected with solenoid valve two by pipeline, tensimeter connects hole and is connected with a rain glass by pipeline.
Described pressure distribution sensor calibration measurements device, is characterized in that: in described upper cover, also have the inside and outside safety valve of connection air chamber and connect hole, safety valve connects hole and is connected with a safety-valve by pipeline.
Described pressure distribution sensor calibration measurements device, is characterized in that: between described air admission hole and source of the gas, on pipeline, be provided with solenoid valve one, be provided with solenoid valve three between aspirating hole and aspiration pump on pipeline.
Described pressure distribution sensor calibration measurements device, it is characterized in that: on described drawable type test board, both sides front end is vertically connected with respectively limited post, and limited post extends downward drawable type test board below, corresponding two limited post positions, described base front side have stopper slot.
Described pressure distribution sensor calibration measurements device, it is characterized in that: also comprise governor circuit, supply power to the power supply of governor circuit, described rain glass, solenoid valve one, solenoid valve two, solenoid valve three access respectively governor circuit, also have access to warning lamp on governor circuit.
A kind of pressure distribution sensor measuring method, is characterized in that:. comprise the following steps:
(1), control solenoid valve three conductings, by aspiration pump, gas indoor gas is extracted out, make in air chamber, in negative pressure state, then under negative pressure state, drawable type test board to be extracted out from test cavity;
(2), pressure distribution sensor to be measured is placed on drawable type test board in the shallow slot in sensor test district, then drawable type test board is filled in test cavity;
(3), controlling solenoid valve three disconnects gas circuit and controls solenoid valve one conducting, supply gas in air chamber by source of the gas, measure air pressure in air chamber by rain glass simultaneously and whether reach preset value, if while reaching preset value, control solenoid valve one and disconnect gas circuit, now flexible rubber film expands and pressure distribution sensor to be measured is exerted pressure under the effect of air chamber internal gas pressure, gathers the data of each pressure transducer in pressure distribution sensor by external sensor signal pickup assembly;
(4) after gathering, control solenoid valve two conductings, gas indoor gas is discarded to outside air chamber, measure air pressure in air chamber by rain glass simultaneously, when air pressure in air chamber is during lower than 10KP, control solenoid valve two and disconnect gas circuit, control solenoid valve three conducting again simultaneously, by aspiration pump, gas indoor gas is extracted out until in air chamber in negative pressure state, under negative pressure state, drawable type test board is extracted out cavity from test, take out pressure distribution sensor to be measured;
(5) finally under negative pressure state, drawable type test board is filled in test cavity again, completed calibration measurements work.
The present invention uses external air source to pressurize to air chamber, makes flexible rubber film to sensor test district expandable pressurized, and now the each point on pressure distributed sensor is all subject to uniform pressure, and the size of pressurized equals the pressure in air chamber; Pressure in air chamber can be read with existing rain glass.
The present invention adopts air pressurized, can realize whole pressurization of pressure distribution sensor and demarcate; Pressure distribution sensor pressurization surface of contact adopts flexible rubber film, can ensure the homogeneity of whole pressurization; Simultaneously the present invention area that pressurizes is large, can be applicable to the pressure distribution sensor calibration measurements of various sizes.
Brief description of the drawings
Fig. 1 is one-piece construction schematic diagram of the present invention.
Fig. 2 is structure explosive view one of the present invention.
Fig. 3 is structure explosive view two of the present invention.
Fig. 4 is gas circuit principle block diagram of the present invention.
Fig. 5 is main control circuit part theory diagram of the present invention.
Embodiment
Shown in Fig. 1-Fig. 5, pressure distribution sensor calibration measurements device, include base 1, on base 1, dual-side position is fixed with respectively the side positive stop strip 2 parallel with base 1 side, also include upper cover 3, drawable type test board 4, upper cover 3 covers above base 1 and by dual-side positive stop strip 2 and supports, and upper cover 3 two bottom sides are fixedly connected with respective side side positive stop strip 2 respectively, by base 1, dual-side positive stop strip 2, upper cover 3 surrounds test cavity, drawable type test board 4 is slidably mounted in test cavity, and on drawable type test board 4, be provided with the shallow slot 5 of placing for pressure distribution sensor, upper cover 3 bottoms are fixed with by the end to end elasticity press box 6 surrounding of multiple elastic layerings, elasticity press box 6 is suspended from drawable type test board 4 tops, in elasticity press box 6, be provided with flexible rubber film 7, flexible rubber film 7 edges and elasticity press box 6 inside casing walls closely connect as one, by upper cover 3, elasticity press box 6, flexible rubber film 7 surrounds air chamber, in upper cover 3, have and be communicated with the inside and outside aspirating hole 8 of air chamber, air admission hole 9, venthole 10, tensimeter connects hole 11, wherein in upper cover 3, air admission hole 9 is connected with a source of the gas by pipeline, aspirating hole 8 be connected with an aspiration pump by pipeline, venthole 10 is connected with solenoid valve two by pipeline, tensimeter connects hole 11 and is connected with a rain glass by pipeline.
In upper cover 3, also have the inside and outside safety valve of connection air chamber and connect hole 12, safety valve connects hole 12 and is connected with a safety-valve by pipeline.
Between air admission hole 9 and source of the gas, on pipeline, be provided with solenoid valve one, between aspirating hole and aspiration pump, on pipeline, be provided with solenoid valve three.
On drawable type test board 4, both sides front end is vertically connected with respectively limited post 13, and limited post 13 extends downward drawable type test board 4 belows, and corresponding two limited post 13 positions, base 1 front side have stopper slot 14.
Also comprise governor circuit, supply power to the power supply of governor circuit, rain glass, solenoid valve one, solenoid valve two, solenoid valve three access respectively governor circuit, also have access to warning lamp on governor circuit.
A kind of pressure distribution sensor measuring method, comprises the following steps:
(1), control solenoid valve three conductings, by aspiration pump, gas indoor gas is extracted out, make in air chamber, in negative pressure state, then under negative pressure state, drawable type test board to be extracted out from test cavity;
(2), pressure distribution sensor to be measured is placed on drawable type test board in the shallow slot in sensor test district, then drawable type test board is filled in test cavity;
(3), controlling solenoid valve three disconnects gas circuit and controls solenoid valve one conducting, supply gas in air chamber by source of the gas, measure air pressure in air chamber by rain glass simultaneously and whether reach preset value, if while reaching preset value, control solenoid valve one and disconnect gas circuit, now flexible rubber film expands and pressure distribution sensor to be measured is exerted pressure under the effect of air chamber internal gas pressure, gathers the data of each pressure transducer in pressure distribution sensor by external sensor signal pickup assembly;
(4) after gathering, control solenoid valve two conductings, gas indoor gas is discarded to outside air chamber, measure air pressure in air chamber by rain glass simultaneously, when air pressure in air chamber is during lower than 10KP, control solenoid valve two and disconnect gas circuit, control solenoid valve three conducting again simultaneously, by aspiration pump, gas indoor gas is extracted out until in air chamber in negative pressure state, under negative pressure state, drawable type test board is extracted out cavity from test, take out pressure distribution sensor to be measured;
(5) finally under negative pressure state, drawable type test board is filled in test cavity again, completed calibration measurements work.
Claims (6)
1. pressure distribution sensor calibration measurements device, include base, it is characterized in that: on base, dual-side position is fixed with respectively the side positive stop strip parallel with chassis side, also include upper cover, drawable type test board, described upper cover covers above base and by dual-side positive stop strip and supports, and upper cover two bottom sides is fixedly connected with respective side side positive stop strip respectively, by base, dual-side positive stop strip, upper cover surrounds test cavity, described drawable type test board is slidably mounted in test cavity, and on drawable type test board, be provided with the shallow slot of placing for pressure distribution sensor, described upper cover bottom is fixed with by the end to end elasticity press box surrounding of multiple elastic layerings, described elasticity press box is suspended from drawable type test board top, in elasticity press box, be provided with flexible rubber film, described flexible rubber film edge and elasticity press box inside casing wall closely connect as one, by upper cover, elasticity press box, flexible rubber film surrounds air chamber, in described upper cover, have and be communicated with the inside and outside aspirating hole of air chamber, air admission hole, venthole, tensimeter connects hole, wherein in upper cover, air admission hole is connected with a source of the gas by pipeline, aspirating hole be connected with an aspiration pump by pipeline, venthole is connected with solenoid valve two by pipeline, tensimeter connects hole and is connected with a rain glass by pipeline.
2. pressure distribution sensor calibration measurements device according to claim 1, is characterized in that: in described upper cover, also have the inside and outside safety valve of connection air chamber and connect hole, safety valve connects hole and is connected with a safety-valve by pipeline.
3. pressure distribution sensor calibration measurements device according to claim 1, is characterized in that: between described air admission hole and source of the gas, on pipeline, be provided with solenoid valve one, be provided with solenoid valve three between aspirating hole and aspiration pump on pipeline.
4. pressure distribution sensor calibration measurements device according to claim 1, it is characterized in that: on described drawable type test board, both sides front end is vertically connected with respectively limited post, and limited post extends downward drawable type test board below, corresponding two limited post positions, described base front side have stopper slot.
5. pressure distribution sensor calibration measurements device according to claim 1, it is characterized in that: also comprise governor circuit, supply power to the power supply of governor circuit, described rain glass, solenoid valve one, solenoid valve two, solenoid valve three access respectively governor circuit, also have access to warning lamp on governor circuit.
6. the pressure distribution sensor measuring method based on pressure distribution sensor calibration measurements device described in claim 1, is characterized in that:. comprise the following steps:
(1), control solenoid valve three conductings, by aspiration pump, gas indoor gas is extracted out, make in air chamber, in negative pressure state, then under negative pressure state, drawable type test board to be extracted out from test cavity;
(2), pressure distribution sensor to be measured is placed on drawable type test board in the shallow slot in sensor test district, then drawable type test board is filled in test cavity;
(3), controlling solenoid valve three disconnects gas circuit and controls solenoid valve one conducting, supply gas in air chamber by source of the gas, measure air pressure in air chamber by rain glass simultaneously and whether reach preset value, if while reaching preset value, control solenoid valve one and disconnect gas circuit, now flexible rubber film expands and pressure distribution sensor to be measured is exerted pressure under the effect of air chamber internal gas pressure, gathers the data of each pressure transducer in pressure distribution sensor by external sensor signal pickup assembly;
(4) after gathering, control solenoid valve two conductings, gas indoor gas is discarded to outside air chamber, measure air pressure in air chamber by rain glass simultaneously, when air pressure in air chamber is during lower than 10KP, control solenoid valve two and disconnect gas circuit, control solenoid valve three conducting again simultaneously, by aspiration pump, gas indoor gas is extracted out until in air chamber in negative pressure state, under negative pressure state, drawable type test board is extracted out cavity from test, take out pressure distribution sensor to be measured;
(5) finally under negative pressure state, drawable type test board is filled in test cavity again, completed calibration measurements work.
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| CN201410255233.6A CN104089741B (en) | 2014-06-10 | 2014-06-10 | Pressure distribution sensor calibration measuring apparatus |
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| CN201410255233.6A CN104089741B (en) | 2014-06-10 | 2014-06-10 | Pressure distribution sensor calibration measuring apparatus |
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| CN104089741B CN104089741B (en) | 2017-01-25 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105738031A (en) * | 2016-02-01 | 2016-07-06 | 安徽中科本元信息科技有限公司 | Air pressure type flexible array pressure sensor calibration device and calibration method |
| CN106706211A (en) * | 2015-11-17 | 2017-05-24 | 刘垚 | Pressure sensor calibration device and method and equipment equipped with device |
| CN107290104A (en) * | 2017-08-03 | 2017-10-24 | 西安建筑科技大学 | A kind of automatic calibration device and scaling method of fexible film array pressure sensor |
| CN109311151A (en) * | 2017-05-22 | 2019-02-05 | 深圳配天智能技术研究院有限公司 | A kind of scaling method of robot, system and scaling board |
| CN109470404A (en) * | 2018-12-30 | 2019-03-15 | 河南工业大学 | Diaphragm pressure sensor calibrating installation |
| CN109596264A (en) * | 2018-11-14 | 2019-04-09 | 珠海市万瑙特健康科技有限公司 | Array pressure sensor detecting device |
| CN109708810A (en) * | 2019-02-21 | 2019-05-03 | 钛深科技(深圳)有限公司 | A kind of apparatus and system for film tactile sensing chip testing |
| CN113091974A (en) * | 2021-03-17 | 2021-07-09 | 西安近代化学研究所 | Diaphragm chamber and system for shock wave measurement target quasi-static pressure calibration |
| CN113959635A (en) * | 2021-09-02 | 2022-01-21 | 中国科学院合肥物质科学研究院 | Hydraulic type calibration device and method for flexible force-sensitive sensor array |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106706211A (en) * | 2015-11-17 | 2017-05-24 | 刘垚 | Pressure sensor calibration device and method and equipment equipped with device |
| CN105738031A (en) * | 2016-02-01 | 2016-07-06 | 安徽中科本元信息科技有限公司 | Air pressure type flexible array pressure sensor calibration device and calibration method |
| CN109311151A (en) * | 2017-05-22 | 2019-02-05 | 深圳配天智能技术研究院有限公司 | A kind of scaling method of robot, system and scaling board |
| CN109311151B (en) * | 2017-05-22 | 2021-07-09 | 深圳配天智能技术研究院有限公司 | Calibration method and system of robot and calibration plate |
| CN107290104A (en) * | 2017-08-03 | 2017-10-24 | 西安建筑科技大学 | A kind of automatic calibration device and scaling method of fexible film array pressure sensor |
| CN107290104B (en) * | 2017-08-03 | 2023-05-16 | 西安建筑科技大学 | Automatic calibration device and calibration method for flexible film array pressure sensor |
| CN109596264A (en) * | 2018-11-14 | 2019-04-09 | 珠海市万瑙特健康科技有限公司 | Array pressure sensor detecting device |
| CN109470404A (en) * | 2018-12-30 | 2019-03-15 | 河南工业大学 | Diaphragm pressure sensor calibrating installation |
| CN109708810A (en) * | 2019-02-21 | 2019-05-03 | 钛深科技(深圳)有限公司 | A kind of apparatus and system for film tactile sensing chip testing |
| CN113091974A (en) * | 2021-03-17 | 2021-07-09 | 西安近代化学研究所 | Diaphragm chamber and system for shock wave measurement target quasi-static pressure calibration |
| CN113091974B (en) * | 2021-03-17 | 2024-04-30 | 西安近代化学研究所 | Diaphragm chamber and system for shock wave measurement target quasi-static pressure calibration |
| CN113959635A (en) * | 2021-09-02 | 2022-01-21 | 中国科学院合肥物质科学研究院 | Hydraulic type calibration device and method for flexible force-sensitive sensor array |
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| CN104089741B (en) | 2017-01-25 |
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