CN104089741B - Pressure distribution sensor calibration measuring apparatus - Google Patents
Pressure distribution sensor calibration measuring apparatus Download PDFInfo
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- CN104089741B CN104089741B CN201410255233.6A CN201410255233A CN104089741B CN 104089741 B CN104089741 B CN 104089741B CN 201410255233 A CN201410255233 A CN 201410255233A CN 104089741 B CN104089741 B CN 104089741B
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- pressure distribution
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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 apparatus field, specifically a kind of pressure distribution sensor demarcation measurement
Device.
Background technology
Pressure distribution sensor is to be distributed in poly- ammonia by multiple pressure transducers by array arrangement or other arrangement modes
Composition on ester film, existing pressure distribution sensor scaling method inherits the scaling method of one-dimensional power/pressure transducer, single
Individual sensor points demarcate record data respectively.Because pressure distributed sensor is different from tradition, it is by thousand of sensor points
It is distributed on the polyurethane film of certain area, time and effort consuming if sensor points are demarcated one by one, there is demarcation measurement
The problem of inefficiency.
Content of the invention is it is an object of the invention to provide a kind of pressure distribution sensor demarcates measurement apparatus, existing to solve
The problem of technostress 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 demarcates measurement apparatus, include base it is characterised in that: on base, two lateral location are respectively
It is fixed with the side positive stop strip parallel with chassis side, also includes lid, drawable type test board, described upper lid covers in base
Top is simultaneously supported by both sides side positive stop strip, and upper lid two bottom sides are fixedly connected with respective side side positive stop strip respectively, by base,
Both sides side positive stop strip, Shang Gai surround test cavity, and described drawable type test board is slidably mounted in test cavity, and drawable type is surveyed
The shallow slot placed for pressure distribution sensor is provided with test plate (panel), described upper lid bottom is fixed with by multiple elastic layering head and the tail phases
Connect the elastic press box surrounding, described elasticity press box is suspended from above drawable type test board, is provided with flexible rubber thin in elastic press box
Film, described flexible rubber film edge is closely connected as one with elastic press box inside casing wall, by upper lid, elastic press box, flexible rubber
Glue thin film surrounds air chamber, has the aspirating hole inside and outside connection air chamber, air inlet, venthole, pressure gauge connect hole in described upper lid, its
In upper cover in air inlet be connected with a source of the gas by pipeline, aspirating hole is connected with an air pump with by pipeline, venthole
Electromagnetic valve two is connected with by pipeline, pressure gauge is connect hole and is connected with an air gauge by pipeline.
Described pressure distribution sensor demarcate measurement apparatus it is characterised in that: also have connection air chamber in described upper lid
Inside and outside relief valve connects hole, and relief valve is connect hole and is connected with a safety-valve by pipeline.
Described pressure distribution sensor demarcate measurement apparatus it is characterised in that: pipeline between described air inlet and source of the gas
On be provided with electromagnetic valve one, pipeline between aspirating hole and air pump is provided with electromagnetic valve three.
Described pressure distribution sensor demarcate measurement apparatus it is characterised in that: before both sides on described drawable type test board
End is respectively perpendicular and is connected with limited post, and limited post extends downward below drawable type test board, corresponding two on front side of described base
Limited post position has stopper slot.
Described pressure distribution sensor demarcate measurement apparatus it is characterised in that: also include governor circuit, supply power to master control
The power supply of circuit, described air gauge, electromagnetic valve one, electromagnetic valve two, electromagnetic valve three are respectively connected to governor circuit, on governor circuit also
Access has warning lamp.
A kind of pressure distribution sensor measuring method it is characterised in that:. comprise the following steps:
(1), control electromagnetic valve three to turn on, by air pump, gas indoor gas extracted out, make to be in negative pressure state in air chamber,
Then under negative pressure state, drawable type test board is extracted out from test cavity；
(2), pressure distribution sensor to be measured is placed on the shallow slot as sensor test area on drawable type test board
In, then drawable type test board is filled in test cavity；
(3), control electromagnetic valve three to disconnect gas circuit and control electromagnetic valve one conducting, supplied gas in air chamber by source of the gas, simultaneously
Measure whether air pressure in air chamber reaches preset value by air gauge, if reach preset value, control electromagnetic valve one to disconnect gas circuit,
Now flexible rubber thin film expands under the effect of air chamber internal gas pressure and applies pressure to pressure distribution sensor to be measured, by outer
Portion's collecting sensor signal device gathers the data of each pressure transducer in pressure distribution sensor；
(4) after collection finishes, control electromagnetic valve two to turn on, gas indoor gas are discarded to outside air chamber, pass through air pressure simultaneously
Air pressure in table measurement air chamber, when air pressure is less than 10kp in air chamber, controls electromagnetic valve two to disconnect gas circuit, controls electromagnetic valve three simultaneously
Turn on again, being extracted out gas indoor gas until being in negative pressure state in air chamber by air pump, can take out under negative pressure state
Formula test board is extracted out from test cavity, takes out pressure distribution sensor to be measured；
(5) under last negative pressure state again, drawable type test board is filled in test cavity, complete to demarcate measurement work.
The present invention uses external air source to pressurize to air chamber, makes flexible rubber thin film to sensor test area expandable pressurized, this
When pressure distributed sensor on each point be all subject to uniform pressure, and pressurized size is equal to the pressure in air chamber；In air chamber
Pressure can be read with existing air gauge.
The present invention adopts air pressurized, and achievable pressure distribution sensor whole face pressurization is demarcated；Pressure distribution sensor adds
Crimping contacting surface adopts flexible rubber thin film, can guarantee that the uniformity of whole face pressurization；The area of present invention pressurization simultaneously is big, can be suitable for each
The pressure distribution sensor planting size demarcates measurement.
Brief description
Fig. 1 is overall structure diagram of the present invention.
Fig. 2 is present configuration explosive view one.
Fig. 3 is present configuration explosive view two.
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.
Specific embodiment
Referring to shown in Fig. 1-Fig. 5, pressure distribution sensor demarcates measurement apparatus, includes base 1, two sides on base 1
Position is respectively fixed with the side positive stop strip 2 parallel with base 1 side, also includes lid 3, drawable type test board 4, upper lid 3
Cover above base 1 and supported by both sides side positive stop strip 2, and upper lid 3 two bottom sides are solid with respective side side positive stop strip 2 respectively
Fixed connection, surrounds test cavity by base 1, both sides side positive stop strip 2, upper lid 3, it is logical that drawable type test board 4 is slidably mounted on test
In chamber, and the shallow slot 5 placed for pressure distribution sensor is provided with drawable type test board 4, upper lid 3 bottoms are fixed with by multiple
The end to end elastic press box 6 surrounding of elastic layering, elastic press box 6 is suspended from above drawable type test board 4, sets in elastic press box 6
It is equipped with flexible rubber thin film 7, flexible rubber thin film 7 edge is closely connected as one with elastic press box 6 inside casing wall, by upper lid 3, bullet
Property press box 6, flexible rubber thin film 7 surround air chamber, have aspirating hole 8 inside and outside connection air chamber, air inlet 9, venthole in upper lid 3
10th, pressure gauge connects hole 11, and in wherein upper lid 3, air inlet 9 is connected with a source of the gas by pipeline, aspirating hole 8 and by pipeline and
One air pump connects, and venthole 10 is connected with electromagnetic valve two by pipeline, and pressure gauge connects hole 11 and passes through pipeline and an air pressure
Table connects.
Also have the relief valve inside and outside connection air chamber in upper lid 3 and connect hole 12, relief valve connects hole 12 and passes through pipeline and a peace
Full valve door connects.
Electromagnetic valve one is provided with pipeline between air inlet 9 and source of the gas, pipeline between aspirating hole and air pump is provided with
Electromagnetic valve three.
On drawable type test board 4, both sides front end is respectively perpendicular and is connected with limited post 13, and limited post 13 extend downward can
Below odd test test board 4, corresponding two limited post 13 position in base 1 front side has stopper slot 14.
Also include governor circuit, supply power to the power supply of governor circuit, air gauge, electromagnetic valve one, electromagnetic valve two, electromagnetic valve three
It is respectively connected to governor circuit, governor circuit also accesses warning lamp.
A kind of pressure distribution sensor measuring method, comprises the following steps:
(1), control electromagnetic valve three to turn on, by air pump, gas indoor gas extracted out, make to be in negative pressure state in air chamber,
Then under negative pressure state, drawable type test board is extracted out from test cavity；
(2), pressure distribution sensor to be measured is placed on the shallow slot as sensor test area on drawable type test board
In, then drawable type test board is filled in test cavity；
(3), control electromagnetic valve three to disconnect gas circuit and control electromagnetic valve one conducting, supplied gas in air chamber by source of the gas, simultaneously
Measure whether air pressure in air chamber reaches preset value by air gauge, if reach preset value, control electromagnetic valve one to disconnect gas circuit,
Now flexible rubber thin film expands under the effect of air chamber internal gas pressure and applies pressure to pressure distribution sensor to be measured, by outer
Portion's collecting sensor signal device gathers the data of each pressure transducer in pressure distribution sensor；
(4) after collection finishes, control electromagnetic valve two to turn on, gas indoor gas are discarded to outside air chamber, pass through air pressure simultaneously
Air pressure in table measurement air chamber, when air pressure is less than 10kp in air chamber, controls electromagnetic valve two to disconnect gas circuit, controls electromagnetic valve three simultaneously
Turn on again, being extracted out gas indoor gas until being in negative pressure state in air chamber by air pump, can take out under negative pressure state
Formula test board is extracted out from test cavity, takes out pressure distribution sensor to be measured；
(5) under last negative pressure state again, drawable type test board is filled in test cavity, complete to demarcate measurement work.
Claims (3)
1. pressure distribution sensor demarcates measurement apparatus, include base it is characterised in that: on base, two lateral location are solid respectively
Surely there is the side positive stop strip parallel with chassis side, also include lid, drawable type test board, described upper lid covers on base
Side is simultaneously supported by both sides side positive stop strip, and upper lid two bottom sides are fixedly connected with respective side side positive stop strip respectively, by base, two
Side positive stop strip, Shang Gai surround test cavity, and described drawable type test board is slidably mounted in test cavity, and drawable type test
The shallow slot placed for pressure distribution sensor is provided with plate, described upper lid bottom is fixed with end to end by multiple elastic layerings
The elastic press box surrounding, described elasticity press box is suspended from above drawable type test board, is provided with flexible rubber thin film in elastic press box,
Described flexible rubber film edge is closely connected as one with elastic press box inside casing wall, thin by upper lid, elastic press box, flexible rubber
Film surrounds air chamber, has the aspirating hole inside and outside connection air chamber, air inlet, venthole, pressure gauge connect hole, wherein go up in described upper lid
In lid, air inlet is connected with a source of the gas by pipeline, and aspirating hole is connected with an air pump by pipeline, and venthole passes through pipe
Road is connected with electromagnetic valve two, and pressure gauge is connect hole and is connected with an air gauge by pipeline；
The relief valve also having inside and outside connection air chamber in described upper lid connects hole, and relief valve connects hole and passes through pipeline and a safety-valve
Connect；
Electromagnetic valve one is provided with pipeline between described air inlet and source of the gas, pipeline between aspirating hole and air pump is provided with electricity
Magnet valve three；
On described drawable type test board, both sides front end is respectively perpendicular and is connected with limited post, and limited post extends downward drawable type and surveys
Below test plate (panel), on front side of described base, corresponding two limited post positions have stopper slot.
2. pressure distribution sensor according to claim 1 demarcate measurement apparatus it is characterised in that: also include master control electricity
Road, supply power to the power supply of governor circuit, described air gauge, electromagnetic valve one, electromagnetic valve two, electromagnetic valve three are respectively connected to master control electricity
Road, governor circuit also accesses warning lamp.
3. a kind of pressure distribution sensor measurement side demarcating measurement apparatus based on pressure distribution sensor described in claim 1
Method it is characterised in that: comprise the following steps:
(1), control electromagnetic valve three to turn on, by air pump, gas indoor gas are extracted out, make to be in negative pressure state in air chamber, then
Under negative pressure state, drawable type test board is extracted out from test cavity；
(2), pressure distribution sensor to be measured is placed on drawable type test board as in the shallow slot in sensor test area, then
Drawable type test board is filled in test cavity；
(3), control electromagnetic valve three to disconnect gas circuit and control electromagnetic valve one conducting, supplied gas in air chamber by source of the gas, pass through simultaneously
In air gauge measurement air chamber, whether air pressure reaches preset value, if reach preset value, controls electromagnetic valve one to disconnect gas circuit, now
Flexible rubber thin film expands under the effect of air chamber internal gas pressure and applies pressure to pressure distribution sensor to be measured, is passed by outside
Sensor signal harvester gathers the data of each pressure transducer in pressure distribution sensor；
(4), after, collection finishes, control electromagnetic valve two to turn on, gas indoor gas are discarded to outside air chamber, are surveyed by air gauge simultaneously
Air pressure in amount air chamber, when air pressure is less than 10kp in air chamber, controls electromagnetic valve two to disconnect gas circuit, controls electromagnetic valve three again simultaneously
Conducting, being extracted out gas indoor gas until being in negative pressure state in air chamber by air pump, surveying drawable type under negative pressure state
Test plate (panel) is extracted out from test cavity, takes out pressure distribution sensor to be measured；
(5), last filling in drawable type test board under negative pressure state is tested in cavity, completes to demarcate measurement work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255233.6A CN104089741B (en) | 2014-06-10 | 2014-06-10 | Pressure distribution sensor calibration measuring apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255233.6A CN104089741B (en) | 2014-06-10 | 2014-06-10 | Pressure distribution sensor calibration measuring apparatus |
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| CN104089741A CN104089741A (en) | 2014-10-08 |
| CN104089741B true CN104089741B (en) | 2017-01-25 |
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| CN201410255233.6A Active CN104089741B (en) | 2014-06-10 | 2014-06-10 | Pressure distribution sensor calibration measuring apparatus |
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Families Citing this family (9)
| 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 |
| 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 |
| 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 |
| 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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| US5131259A (en) * | 1991-02-01 | 1992-07-21 | Fel-Pro Incorporated | Calibration fixture and method of calibrating contact sensors |
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| CN203519252U (en) * | 2013-10-17 | 2014-04-02 | 西南交通大学 | Calibration apparatus for calibrating soil pressure sensor by using fluid |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US6993954B1 (en) * | 2004-07-27 | 2006-02-07 | Tekscan, Incorporated | Sensor equilibration and calibration system and method |
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- 2014-06-10 CN CN201410255233.6A patent/CN104089741B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5131259A (en) * | 1991-02-01 | 1992-07-21 | Fel-Pro Incorporated | Calibration fixture and method of calibrating contact sensors |
| CN102879150A (en) * | 2012-11-05 | 2013-01-16 | 上海交通大学 | Pressure sensitive array calibration device and method thereof |
| CN203519252U (en) * | 2013-10-17 | 2014-04-02 | 西南交通大学 | Calibration apparatus for calibrating soil pressure sensor by using fluid |
Non-Patent Citations (2)
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| CN104089741A (en) | 2014-10-08 |
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