CN209102283U - A kind of diaphragm pressure sensor calibrating installation - Google Patents
A kind of diaphragm pressure sensor calibrating installation Download PDFInfo
- Publication number
- CN209102283U CN209102283U CN201822261944.0U CN201822261944U CN209102283U CN 209102283 U CN209102283 U CN 209102283U CN 201822261944 U CN201822261944 U CN 201822261944U CN 209102283 U CN209102283 U CN 209102283U
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- CN
- China
- Prior art keywords
- pressure sensor
- tracheae
- diaphragm pressure
- placement plate
- jacking block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model relates to a kind of diaphragm pressure sensor calibrating installations, including appliance stand, appliance stand includes upper layer bracket and lower floor support, the holding plane placed for respective films pressure sensor is provided on lower floor support, multiple calibration units are distributed in upper layer bracket, each calibration unit includes the tracheae made of rigid material being vertically arranged, the lower end of each tracheae is equipped with the air bag being respectively used to the counter electrode point pressure on diaphragm pressure sensor, air bag is fabricated from a flexible material, air bag is communicated with the tracheae, the upper end of tracheae is equipped with the mounting box that inner hole is communicated with the tracheae, pressure sensor is provided on mounting box, each calibration unit all has inflating port.The utility model solves the problems, such as that rigid calibrating installation in the prior art is easy to damage diaphragm pressure sensor.
Description
Technical field
The utility model relates to the diaphragm pressure sensor calibrating installations in a kind of calibrator (-ter) unit.
Background technique
Diaphragm pressure sensor is a kind of common pressure sensor, existing diaphragm pressure sensor such as Chinese patent
Pressure sensor disclosed in CN105806517A, the pressure sensor include that upper electrode layer, lower electrode layer and being arranged in powers on
Pole layer, the insulating layer between lower electrode layer are provided with lead to corresponding with the electrode on upper electrode layer, lower electrode layer on insulating layer
The electrode points of the corresponding arrangement of multiple groups are distributed on upper electrode layer, lower electrode layer for hole.When diaphragm pressure sensor is pressurized, above and below
Resistance on electrode layer between corresponding electrode points changes, and calculates film according to the resistance variation between counter electrode point
Pressure suffered by pressure sensor corresponding position.
For the measurement accuracy for guaranteeing diaphragm pressure sensor, need regularly to calibrate diaphragm pressure sensor, and
Due to the special construction of diaphragm pressure sensor, rigidity calibrating installation in the prior art presses to diaphragm pressure sensor
When, it is particularly easy to damage diaphragm pressure sensor, causes the expendable damage of diaphragm pressure sensor.
Utility model content
It is in the prior art to solve the purpose of this utility model is to provide a kind of diaphragm pressure sensor calibrating installation
The problem of rigid calibrating installation is easy to damage diaphragm pressure sensor.
In order to solve the above technical problems, the technical solution in the utility model is as follows:
A kind of diaphragm pressure sensor calibrating installation, including appliance stand, appliance stand include upper layer bracket and lower layer's branch
Frame is provided with the holding plane placed for respective films pressure sensor on lower floor support, is distributed in upper layer bracket multiple
Calibration unit, each calibration unit include the tracheae made of rigid material being vertically arranged, and the lower end of each tracheae is equipped with
It is respectively used to the air bag to the counter electrode point pressure on diaphragm pressure sensor, air bag is fabricated from a flexible material, air bag and institute
It states tracheae to communicate, the upper end of tracheae is equipped with the mounting box that inner hole is communicated with the tracheae, is provided with detection mounting box on mounting box
The pressure sensor of interior air pressure, each calibration unit all have inflating port.
Diaphragm pressure sensor calibrating installation further includes the air pump being connected by tracheae with each calibration unit, on each tracheae
It is provided with solenoid valve.
The mounting box of two neighboring calibration unit is staggeredly arranged up and down, and the mounting box of two neighboring calibration unit is in upper and lower
To projection have overlapping region.
Upper layer bracket passes through more guide posts being vertically arranged and connect with lower floor support, leads along the vertical direction in each guide post
It is equipped with placement plate to movement, the holding plane is made of the upper face of the placement plate, and driving is provided on lower floor support
The placement plate driving mechanism that placement plate is moved along guide post.
The guide groove extended in left-right direction is offered on the lower floor support, placement plate driving mechanism includes guiding movement
The left jacking block and right jacking block being assemblied in guide groove, placement plate driving mechanism further includes the biography that axis extends in left-right direction
Dynamic lead screw, left jacking block, right jacking block with being threadedly engaged with turn-screw and oppositely oriented motion thread, left jacking block,
There is inclination to jack wedge surface towards opposite jacking block for the upper end of right jacking block, and the lower end of placement plate has and corresponding jacking wedge surface
It is adapted to the placement plate wedge surface of sliding contact cooperation.
The utility model has the following beneficial effects: diaphragm pressure is passed when needing to calibrate diaphragm pressure sensor
Sensor is lain on holding plane, is inflated into each calibration unit, the electrode of the air bag of tracheae lower end to diaphragm pressure sensor
Point position pressure, calibrates the counter electrode point of diaphragm pressure sensor by the pressure sensor of calibration unit, will be thin
Membrane pressure sensor is installed in the mounting box of tracheae upper end, mounting box and air bag connection, therefore ensure that consistent with air bag
Pressure, while can also avoid the problem that balloon size and material are not suitable for pressure sensor installation, air bag and diaphragm pressure
It is flexible contact between sensor, excessive damage will not be caused to diaphragm pressure sensor, effectively protects diaphragm pressure
Sensor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the utility model.
Specific embodiment
A kind of embodiment of diaphragm pressure sensor calibrating installation includes appliance stand as shown in Figure 1:, and appliance stand includes
Multiple calibrations are distributed in upper layer bracket in lower floor support 13 and the upper layer bracket 4 being connected by four guide posts 5 with lower floor support
Unit 1, each calibration unit are distributed in array, and each calibration unit includes the tracheae 2 being vertically arranged, and tracheae is fixed on upper layer branch
On frame, tracheae is made in the present embodiment of the rigid material of metal material.The lower end of each tracheae, which is equipped with, to be respectively used to thin
The air bag 14 of counter electrode point pressure on membrane pressure sensor, air bag is communicated with tracheae, and the upper end fixation of air bag is placed on tracheae
Lower end, air bag are fabricated from a flexible material, and air bag is made of nylon material in the present embodiment, do not have elasticity, the lower end surface of air bag
For a plane, to facilitate the conversion of pressure value.The upper end of tracheae is equipped with the mounting box 3 that communicates with tracheae of inner hole, on mounting box 3
It is provided with the pressure sensor 16 of air pressure in detection mounting box, pressure sensor can measure the air pressure in calibration unit, according to
The contact area of air bag and diaphragm pressure sensor can converse contact pressure, and mounting box includes and tracheae one in the present embodiment
The box body 31 of body setting and the lid plate 32 that cassette upper end is fixed on by screw, are equipped with sealing between lid plate 32 and box body 31
Circle, pressure sensor 16 are vertically fixed on lid plate, and the pressure sensor in the utility model is using Hangzhou rice section sensor
The MIK-P300 diffused silicon pressure transmitter of Technology Co., Ltd.'s production, can be with lid plate by dismantling on box body.In gas
Inflating port is provided on pipe, diaphragm pressure sensor calibrating installation further includes being connected by tracheae with the inflating port of each calibration unit
Air pump 15, solenoid valve is provided on each tracheae, the internal diameter of tracheae is less than the internal diameter of mounting box, therefore tracheae and mounting box one
It rises and constitutes one big tripe structure, the air pressure in the mounting box of big tripe structure is more stable, is conducive to pressure sensor to air pressure
Accurate measurement.
About 3 mounting box of two neighboring calibration unit is staggeredly arranged, and the mounting box of two neighboring calibration unit is upper and lower
The projection in direction has overlapping region.Guiding movement is equipped with placement plate 6, the upper plate of placement plate along the vertical direction in each guide post
Face constitutes the holding plane placed for diaphragm pressure sensor 17, and driving placement plate is provided on lower floor support 13 along guide post
Mobile placement plate driving mechanism.The guide groove 9 extended in left-right direction, placement plate driving mechanism are offered on lower floor support 13
Being assemblied in left jacking block 12 in guide groove and right jacking block 11, placement plate driving mechanism including guiding movement further includes axis edge
The turn-screw 8 that left and right directions extends, the right end coaxial line of turn-screw are fixed with handwheel 7, and left jacking block, right jacking block have
It is threadedly engaged with turn-screw and oppositely oriented motion thread, left jacking block, the right upper end for jacking block has inclination towards phase
Anti- jacking block jacks wedge surface 10, and the lower end of placement plate has and the placement plate wedge of corresponding jacking wedge surface adaptation sliding contact cooperation
Face.
In use, inflating by air pump into each calibration unit, after inflation, the solenoid valve on each tracheae is closed.Turn
Start to take turns, by the cooperation of motion thread on turn-screw and left jacking block, right jacking block, turn-screw drive left jacking block,
Right jacking block is moved away from, and during left jacking block, right jacking block are moved away from, jacks wedge surface and placement plate by jacking block
The cooperation of wedge surface, placement plate is jacked up, up to diaphragm pressure sensor and corresponding balloon contacts, due to installation accuracy problem, respectively
The bottom level of air bag not necessarily can be consistent, and for the reliable contacts for guaranteeing diaphragm pressure sensor and air bag, placement plate can be fitted
When rise a bit, since the extruding degree of each air bag may be different, pressure sensor in each calibration unit
Indicating value may be different, but can be achieved on and carry out accurate alignment to each electrode points.Placement plate driving mechanism uses lateral arrangement
Turn-screw structure, advantageously reduce the whole height of product；The mounting box of two neighboring calibration unit is in above-below direction
Projection has overlapping region, the radial dimension of product entirety is advantageously reduced in this way, so that the structure of product entirety is more
It is compact.In the other embodiments of the utility model: air pump may not be a part of technical solutions of the utility model, such as
Say components of the air pump as consumer's autogamy, consumer can be with autogamy air pump；Placement plate driving mechanism can also be other shapes
The driving mechanism that can be realized driving placement plate and move up and down of formula, drives in placement plate say by driving cylinder and moves down
It is dynamic；Certain placement plate can also be the fixed placement plate that a height is unable to adjust.
Claims (5)
1. a kind of diaphragm pressure sensor calibrating installation, including appliance stand, it is characterised in that: appliance stand includes upper layer bracket
And lower floor support, the holding plane placed for respective films pressure sensor is provided on lower floor support, in upper layer bracket point
It is furnished with multiple calibration units, each calibration unit includes the tracheae made of rigid material being vertically arranged, under each tracheae
End is equipped with the air bag being respectively used to the counter electrode point pressure on diaphragm pressure sensor, and air bag is fabricated from a flexible material,
Air bag is communicated with the tracheae, and the upper end of tracheae is equipped with the mounting box that inner hole is communicated with the tracheae, is provided with inspection on mounting box
The pressure sensor of air pressure in mounting box is surveyed, each calibration unit all has inflating port.
2. diaphragm pressure sensor calibrating installation according to claim 1, it is characterised in that: diaphragm pressure sensor calibration
Device further includes the air pump being connected by tracheae with each calibration unit, is provided with solenoid valve on each tracheae.
3. diaphragm pressure sensor calibrating installation according to claim 1, it is characterised in that: two neighboring calibration unit
Mounting box is staggeredly arranged up and down, and the projection of the mounting box of two neighboring calibration unit in above-below direction has overlapping region.
4. diaphragm pressure sensor calibrating installation described in any one according to claim 1 ~ 3, it is characterised in that: upper layer bracket
It is connect by more guide posts being vertically arranged with lower floor support, guiding movement is equipped with placement along the vertical direction in each guide post
Plate, the holding plane are made of the upper face of the placement plate, and driving placement plate is provided on lower floor support and is moved along guide post
Dynamic placement plate driving mechanism.
5. diaphragm pressure sensor calibrating installation according to claim 4, it is characterised in that: opened up on the lower floor support
Have a guide groove extended in left-right direction, placement plate driving mechanism include the left jacking block that guiding movement is assemblied in guide groove and
Right jacking block, placement plate driving mechanism further include the turn-screw that axis extends in left-right direction, left jacking block, right jacking block tool
Have and be threadedly engaged with turn-screw and oppositely oriented motion thread, left jacking block, right jacking block upper end there is inclination direction
Opposite jacking block jacks wedge surface, and the lower end of placement plate has and the placement plate wedge of corresponding jacking wedge surface adaptation sliding contact cooperation
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261944.0U CN209102283U (en) | 2018-12-30 | 2018-12-30 | A kind of diaphragm pressure sensor calibrating installation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822261944.0U CN209102283U (en) | 2018-12-30 | 2018-12-30 | A kind of diaphragm pressure sensor calibrating installation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209102283U true CN209102283U (en) | 2019-07-12 |
Family
ID=67163813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822261944.0U Expired - Fee Related CN209102283U (en) | 2018-12-30 | 2018-12-30 | A kind of diaphragm pressure sensor calibrating installation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209102283U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470404A (en) * | 2018-12-30 | 2019-03-15 | 河南工业大学 | Diaphragm pressure sensor calibrating installation |
-
2018
- 2018-12-30 CN CN201822261944.0U patent/CN209102283U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109470404A (en) * | 2018-12-30 | 2019-03-15 | 河南工业大学 | Diaphragm pressure sensor calibrating installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190712 Termination date: 20201230 |