CN108534950A - The multi-channel parallel performance detecting system and detection method of inlet pressure sensor - Google Patents
The multi-channel parallel performance detecting system and detection method of inlet pressure sensor Download PDFInfo
- Publication number
- CN108534950A CN108534950A CN201810743907.5A CN201810743907A CN108534950A CN 108534950 A CN108534950 A CN 108534950A CN 201810743907 A CN201810743907 A CN 201810743907A CN 108534950 A CN108534950 A CN 108534950A
- Authority
- CN
- China
- Prior art keywords
- pressure sensor
- pressure
- inlet
- channel parallel
- performance
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L27/00—Testing or calibrating of apparatus for measuring fluid pressure
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
- G01M3/28—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2853—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for pipe joints or seals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention provides a kind of the multi-channel parallel performance detecting system and detection method of inlet pressure sensor.Performance detecting system includes pressure control air source, multiple sealing propertytest toolings, T-slot workbench, regulated power supply and control unit, the multiple inlet components for being separately connected pressure sensor are separately fixed on the T-slot workbench, each sealing propertytest tooling is fixed on an air intake duct, each pressure sensor is connected by a sealing propertytest tooling with the gas supply branch that pressure control air source connects, the regulated power supply is electrically connected with each pressure sensor respectively, described control unit controls air source with pressure respectively, multiple pressure sensors, regulated power supply is connected, to control each component and gathered data.The present invention is high integration, high automation, the device for detecting performance of high-intelligentization and method, can improve detection efficiency, reduce cost.
Description
Technical field
The present invention relates to a kind of performance detecting system of inlet pressure sensor and method more particularly to inlet pressures
The multi-channel parallel performance detecting system and method for sensor.
Background technology
It, need to be in the air pressure level of 0.7 0-0.1MPa (gauge pressure) after measurement pipe and pressure sensor are installed on inlet component
Under, the leakproofness of pressure sensor and measurement pipe junction is detected, 5min internal drops are not more than 0.01MPa.Then, exist respectively
Under 0.10MPa, 0.20MPa, 0.40MPa, 0.60MPa, 0.80MPa (absolute pressure) pressure, the output voltage of pressure sensor is detected,
It is whether intact to verify performance after pressure sensor assembly.
Existing monitoring method is that the connector of airtight fixture is connected with UP testing stand.Manually adjust pressure examination
Platform air-supplying valve is tested, 0.7 0-0.1MPa (gauge pressure) nitrogen is supplied to pressure sensor, observes the pressure gauge of pressure test bench, 5min
Internal drop should be not more than 0.01MPa, manual record measured value.
After qualification, transit cable is electrically detected using air intake duct and connects pressure sensor, D.C. regulated power supply and multimeter
Be connected to position, then manually adjust pressure test bench air-supplying valve, provided respectively to pressure sensor 0.10MPa, 0.20MPa,
During which the nitrogen of 0.40MPa, 0.60MPa, 0.80MPa (absolute pressure) read the output voltage of pressure sensor from multimeter.Often adjust
A pressure is saved, the number of degrees again after 20S are stablized.Manually by voltage measured value and criterion recorded and compared with, data are all qualified
It can pass through.
First, experiment air pressure manually adjusts output by UP testing stand air-supplying valve, and precision is relatively low, and unstable
It is fixed.
Secondly, current detection method need to use pressure test bench gas supply, regulated power supply power supply and multimeter acquisition etc. more
The method that a equipment is used cooperatively carries out, and detection device is scattered, integrated level is not high.
Again, different output pressures when being detected for pressure sensor performance are needed by hand, repeatedly to adjust, be needed every time
Long-time voltage stabilizing, each detection data manual record and judgement are wanted, causes high labor cost, production efficiency relatively low.
Also, the detection of single air intake duct can only be realized every time, it is less efficient.
Invention content
The present invention provides a kind of device for detecting performance and inspection having the characteristics that multidiameter delay, high integration, height automate
Survey method is mainly used for the performance inspection of the assembly sealing propertytest and pressure sensor of inlet pressure sensor and measurement pipe
It surveys.
The multi-channel parallel performance detecting system of the inlet pressure sensor of the present invention includes pressure control air source, multiple
Sealing propertytest tooling, T-slot workbench, regulated power supply and control unit, be separately connected pressure sensor it is multiple into
Air flue assembly is separately fixed on the T-slot workbench, each sealing propertytest tooling be fixed on one described in into
On air flue, each pressure sensor connect by a sealing propertytest tooling and pressure control air source one is for qi leel
Road is connected, and the regulated power supply is electrically connected with each pressure sensor respectively, and described control unit is controlled with pressure respectively
Air source, multiple pressure sensors, regulated power supply are connected, to control each component and gathered data.
It is preferred that the sealing propertytest tooling, which includes perpendicular baffle, lagging, mandril and seal assembly, perpendicular baffle, is welded on cross
One end of the lower surface of plate washer, mandril pass through perpendicular baffle to be threaded in the threaded hole being arranged on seal assembly one side, use
With fixing seal component, on the another side of seal assembly, it is provided with the connector for connecting pressure sensor, which passes
The connector of sensor is connected to the pressure control air source connector being arranged on seal assembly lower surface.
It is preferred that further including support plate, support plate is welded on the other end of lagging lower surface by backing plate, and support plate is side
Frame-type plate is provided with 86 through-holes of φ on its frame, using the M5 threaded holes on 8 M5X16 screws and air intake duct, will seal
Property detecting tool is fixed on air intake duct.
It is preferred that the inlet component is four.
The multi-channel parallel method for testing performance of the inlet pressure sensor of the present invention is to be suitable for being above-mentioned each technology
The detection method of scheme comprising：Step 1: multiple pressure sensors are connected with multiple inlet components correspondingly respectively
It connects, multiple inlet components is separately fixed on T-slot workbench；Step 2: being respectively mounted on each inlet component
One sealing propertytest tooling；Step 3: each pressure sensor is passed through the sealing propertytest work on respective inlet component
Dress is connected to corresponding gas supply branch；Step 4: control unit and gas supply control branch, power supply control branch and data are acquired
Branch is connected respectively；Step 5: carrying out pressure sensor performance detection, power to each sensor, to every for qi leel
Road supplies, and gathered data, is compared judgement and print result.
It is preferred that the step 1 is respectively to connect four pressure sensors with an inlet component, pressure will be connected
Four inlet components of sensor are fixed on T-slot workbench side by side.
It is preferred that four that four pressure sensors are respectively connected by a sealing propertytest tooling and pressure control air source
Gas supply branch is connected to correspondingly.
It is preferred that the step 5 includes：Step 1, the leakproofness for detecting pressure sensor and measurement pipe junction, to each pressure
Force snesor exports 0.7 0-0.1MPa nitrogen simultaneously, then pressurize 5min, if pressure drop is not more than 0.01MPa, is judged as close
Envelope property is good, is transferred to step 2；Step 2, detection pressure sensor performance：To each gas supply branch stepping provide 0.10MPa,
The nitrogen of 0.20MPa, 0.40MPa, 0.60MPa, 0.80MPa (absolute pressure), meanwhile, control unit controls regulated power supply respectively to each
Pressure sensor input+9V voltages, the voltage signal that control unit exports each pressure sensor are acquired, and are compiled with advance
The judgement data collected carry out comparison and qualification judges, the output of final report automatic printing.
The present invention has the following advantages：
1, its provided it is a kind of suitable for inlet pressure sensor performance detection air pressure applying method, it can be achieved that
In 0.1MPa~2MPa (absolute pressure) range, the high-precision of precision≤0.001MPa stablizes air pressure, and high speed pressure control only needs to count
Adjusting can be completed in second.
2, the intelligence of automatic measuring and controlling software programming and can interactive interface, can be achieved at the same time 4 tunnel air pressures in real time detection and pressure drop
The acquisition of data and pressure sensor output voltage signal is completed qualification and is judged.
3, pressure controller, nitrogen cylinder, multi-way valve, pressure gauge, regulated power supply, pipeline, computer system are removable
Cabinet inner height is integrated, and delicate structure is easy to remove, specious, firm and durable, easy for installation.
4, it using the present invention, only needs 1 operator that the connection of tooling and air intake duct and pressure sensor can be completed, completes
Establishment and the test operation for detecting program, are greatly saved cost of labor.
5, the present invention can be completed at the same time the performance detection of 4 inlet pressure sensors, and detection efficiency greatly improves.
The present invention is the multi-path for being suitable for the detection of inlet pressure sensor multi-channel performance, high integration, high automatic
Change, the device for detecting performance of high-intelligentization and method, raising detection efficiency reduce cost.
Description of the drawings
Fig. 1 is that multi-channel parallel performance detecting system constitutes block diagram.
Fig. 2 is that air intake duct tool mechanism shows front view.
Fig. 3 is air intake duct tool mechanism cut-away illustration.
Fig. 4 is air intake duct tool mechanism vertical view.
Symbol description
1, baffle 2, mandril 3, baffle plate assembly 4, baffle 5, seal assembly 6, backing plate
7,8. pressure sensor of support plate
Specific implementation mode
Detailed description of the present invention most preferred embodiment with reference to the accompanying drawings.
One embodiment of the present of invention is by inlet pressure experiment and sensor test platform, transit cable and 4 sets
Air tightness detection tool is used cooperatively, while realizing the performance test after the pressure sensor assembly of 4 inlet components.Air inlet
Road component is not limited to 4.
1) 4 air intake ducts are placed side by side on T-slot workbench, then by 4 pressure sensors 8 respectively with 4
Root air intake duct connects in place correspondingly,
2) by inlet pressure experiment and sensor test platform 4 outlet branch 1-4 respectively with 4 sets of airtight detection works
Load connects, and then connect air tightness detection tool with inlet pressure sensor 8 respectively.Finally by the power supply branch of transit cable
1-4 and data acquisition branch 1-4 are connect in place with inlet pressure sensor respectively.
3) air tightness detection tool structure is as shown in Figure 2,3.Perpendicular baffle 1 is welded as one with lagging 4, backing plate 6, support plate 7
Body, specifically, perpendicular baffle 1 are welded on one end of the lower surface of lagging 2, and support plate 7 is welded on by backing plate 6 under lagging 2
The other end on surface, support plate 7 are box template, and 86 through-holes of φ are provided on its frame.It is as air tightness detection tool
Main backstop, pass through 86 through-holes of φ on No. 7 parts of support plate and 8 M5X16 screws (not shown) and the M5 on air intake duct
Threaded hole is connected firmly.Then seal assembly 5 is connected with pressure sensor.Mandril 2 is external thread piece, and mandril 2 is screwed in and worn
Perpendicular baffle 1 and baffle plate assembly 3 are crossed, is threaded in the threaded hole being arranged on 5 one side of seal assembly, seal assembly 5 is pushed up
Tightly, to fixing seal component.Realize the sealed connection of air tightness detection tool and pressure sensor.The other side of seal assembly 5
On face, be provided with the connector for connecting pressure sensor, the connector of the pressure sensor on seal assembly lower surface
The pressure control air source connector connection of setting.Finally the connector of 5 bottom of seal assembly and inlet pressure are tested and passed
The gas source interface of sensor test platform connects.
4) when carrying out pressure sensor dress with the detection of measurement pipe connection sealing, automatic measuring and controlling system is under pressure controller
Up to instruction, 0.7 0-0.1MPa (gauge pressure) nitrogen, then pressurize are exported simultaneously to No. 4 pressure sensors.Period, automatic measuring and controlling system
System reads the barometric information in pressure sensor pipeline in real time, and comparison and qualification judgement are carried out with the criterion edited in advance,
Final report automatic printing exports.
5) when being tested into line sensor pressurizing performance, automatic measuring and controlling system assigns instruction to pressure controller, to 4 tunnel pressure
Sensor simultaneously, stepping provide 0.10MPa, 0.20MPa, 0.40MPa, 0.60MPa, 0.80MPa (absolute pressure) nitrogen, air pressure make
It is loaded on tested pressure sensor for signal source.Period, the voltage stabilizing electricity in inlet pressure experiment and sensor test platform
Source powers branch 1-4 simultaneously to No. 4 pressure sensor input+9V voltages by transit cable.At this point, pressure sensor correspond to it is defeated
Go out certain voltage signal, automatic measuring and controlling system acquires branch 1-4 to the pressure sensor output voltage by transit cable data
Signal is acquired, and comparison and qualification judgement are carried out with the criterion edited in advance, the output of final report automatic printing.
6) entire pressure testing and sensor test process can be realized automatic under the control of the program of automatic measuring and controlling software
Measurement, record, judgement, final report generation and report printing.
The key point of the present invention is：
1, a kind of method passes through inlet pressure experiment and sensor test platform, transit cable and 4 sets of airtight detection works
Dress is used cooperatively, while realizing the performance test after 4 inlet component pressure sensor assembly.
2, a kind of inlet pressure experiment and sensor test platform, include high-precision pressure controller, may be implemented to try
It tests the high-precision of air source and stablizes and export；Software containing automatic measuring and controlling, can flexible programming, realize high-precision pressure gauge and voltage value
Implement data acquisition and judge, contains regulated power supply, it can be to pressure sensor offer+9V and ± 15V control sources.
3, a kind of tool structure may be implemented to have with pressure sensor and inlet pressure experiment and sensor test platform
Effect is tightly connected.
4, inlet pressure experiment and sensor test platform and 4 may be implemented in a kind of transit cable, one point four of structure
It is connected while the pressure sensor of road.
The preferred embodiment of the present invention is illustrated above, but the present invention is not limited to above-described embodiments.It is right
For those skilled in the art, in the scope recorded in claims, it should be apparent that it is conceivable that various modifications
Or fixed case, the technology scope of the present invention is also belonged to certainly.
Claims (8)
1. a kind of multi-channel parallel performance detecting system of inlet pressure sensor, it is characterised in that：Gas is controlled including pressure
Source, multiple sealing propertytest toolings, T-slot workbench, regulated power supply and control unit, have been separately connected pressure sensor
Multiple inlet components are separately fixed on the T-slot workbench, and each sealing propertytest tooling is fixed on one
On the air intake duct, each pressure sensor controls one that air source connects by a sealing propertytest tooling and pressure
Supply branch be connected, the regulated power supply is electrically connected with each pressure sensor respectively, described control unit respectively with pressure
Power controls air source, multiple pressure sensors, regulated power supply and is connected, to control each component and gathered data.
2. the multi-channel parallel performance detecting system of inlet pressure sensor as described in claim 1, it is characterised in that：Institute
It includes that perpendicular baffle, lagging, mandril and seal assembly, perpendicular baffle are welded on the lower surface of lagging to state sealing propertytest tooling
One end, mandril pass through perpendicular baffle to be threaded in the threaded hole being arranged on seal assembly one side, to fixing seal component,
On the another side of seal assembly, be provided with the connector for connecting pressure sensor, the connector of the pressure sensor with
The pressure control air source connector connection being arranged on seal assembly lower surface.
3. the multi-channel parallel performance detecting system of inlet pressure sensor as claimed in claim 2, it is characterised in that：Also
Including support plate, support plate is welded on the other end of lagging lower surface by backing plate, and support plate is box template, in its frame
On be provided with 86 through-holes of φ, using the M5 threaded holes on 8 M5X16 screws and air intake duct, sealing propertytest tooling is fixed
On air intake duct.
4. the multi-channel parallel performance detecting system of inlet pressure sensor as claimed in any one of claims 1-3,
It is characterized in that：The inlet component is four.
5. a kind of multi-channel parallel method for testing performance of inlet pressure sensor, it is characterised in that：It is to be wanted suitable for right
The method for seeking any one of 1-4 detecting systems comprising：
Step 1: multiple pressure sensors are connect with multiple inlet components correspondingly respectively, by multiple air intake duct groups
Part is separately fixed on T-slot workbench；
Step 2: being respectively mounted a sealing propertytest tooling on each inlet component；
Step 3: by each pressure sensor by the sealing propertytest tooling on respective inlet component with corresponding for qi leel
Road is connected to；
Step 4: control unit and gas supply control branch, power supply control branch and data acquisition branch are connected respectively；
Step 5: carrying out pressure sensor performance detection, power to each sensor, to every gas supply branch gas supply, and acquires
Data are compared judgement and print result.
6. the multi-channel parallel method for testing performance of inlet pressure sensor as claimed in claim 5, it is characterised in that：
The step 1 is respectively to connect four pressure sensors with an inlet component, will connect pressure sensor
Four inlet components are fixed on T-slot workbench side by side.
7. the multi-channel parallel method for testing performance of inlet pressure sensor as claimed in claim 6, it is characterised in that：Four
Four gas supply branches one that a pressure sensor is respectively connected by a sealing propertytest tooling and pressure control air source are a pair of
It is connected to answering.
8. the multi-channel parallel method for testing performance of the inlet pressure sensor as described in any one of claim 5-7,
It is characterized in that：
The step 5 includes：
Step 1, the leakproofness for detecting pressure sensor and measurement pipe junction：0.7 0- is exported simultaneously to each pressure sensor
0.1MPa nitrogen, then pressurize 5min are judged as that leakproofness is good, are transferred to step 2 if pressure drop is not more than 0.01MPa；
Step 2, detection pressure sensor performance：To each gas supply branch stepping provide 0.10MPa, 0.20MPa, 0.40MPa,
The nitrogen of 0.60MPa, 0.80MPa (absolute pressure), meanwhile, control unit control regulated power supply respectively to each pressure sensor input+
9V voltages, the voltage signal that control unit exports each pressure sensor are acquired, and with the judgement data edited in advance into
Row comparison and qualification judge that final report automatic printing exports.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743907.5A CN108534950B (en) | 2018-07-09 | 2018-07-09 | Multichannel parallel performance detection system and method for air inlet channel pressure sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743907.5A CN108534950B (en) | 2018-07-09 | 2018-07-09 | Multichannel parallel performance detection system and method for air inlet channel pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108534950A true CN108534950A (en) | 2018-09-14 |
| CN108534950B CN108534950B (en) | 2020-03-31 |
Family
ID=63487907
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810743907.5A Active CN108534950B (en) | 2018-07-09 | 2018-07-09 | Multichannel parallel performance detection system and method for air inlet channel pressure sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108534950B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443605A (en) * | 2018-12-14 | 2019-03-08 | 上海三原电缆附件有限公司 | The detection device and its detection method of rubber prefabricated component and cable insulation interfacial pressure |
| CN110440982A (en) * | 2019-09-16 | 2019-11-12 | 大唐半导体科技有限公司 | A kind of full-automatic control system for the calibration of air compressor machine sensor parameters |
| CN110702335A (en) * | 2019-08-30 | 2020-01-17 | 广州文冲船厂有限责任公司 | Debugging device and debugging method for detecting air tightness of pressure sensing device |
| CN113984296A (en) * | 2021-10-12 | 2022-01-28 | 珠海格力智能装备有限公司 | Air tightness detection device and control method thereof |
| CN114705359A (en) * | 2022-04-25 | 2022-07-05 | 国机传感科技有限公司 | Silicon piezoresistive pressure sensor compensation test system and test method |
Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879895A (en) * | 1988-08-29 | 1989-11-14 | Mcdonnell Douglas Corporation | Normal shock locator |
| US5351524A (en) * | 1993-08-23 | 1994-10-04 | Lanham David W | Gas leak detection test station |
| US7463960B2 (en) * | 2005-06-14 | 2008-12-09 | Robert Bosch Gmbh | Method for error diagnosis of an ambient-pressure sensor and an intake-manifold pressure sensor |
| CN201302506Y (en) * | 2008-11-03 | 2009-09-02 | 书元机械企业(昆山)有限公司 | Oil seal air-tightness detection device |
| CN101892919A (en) * | 2009-05-20 | 2010-11-24 | 罗伯特.博世有限公司 | The method of the pressure transducer of the air inlet system of disgnosizing internal combustion engine |
| CN204115995U (en) * | 2014-09-28 | 2015-01-21 | 高满珍 | Pressure measurement plug |
| CN104401498A (en) * | 2014-11-19 | 2015-03-11 | 中国航空工业集团公司沈阳飞机设计研究所 | Adaptive bulging air inlet channel deformation driving device based on flexible skin |
| CN204461677U (en) * | 2015-03-02 | 2015-07-08 | 北京博曼迪汽车科技有限公司 | A kind of pressure transducer test board |
| CN104949797A (en) * | 2015-05-27 | 2015-09-30 | 重庆川仪自动化股份有限公司 | Temperature and pressure compensation method for pressure/differential pressure sensors |
| CN105841971A (en) * | 2016-04-26 | 2016-08-10 | 中科合肥微小型燃气轮机研究院有限责任公司 | Gas turbine gas inlet measurement device |
| US20170101002A1 (en) * | 2015-10-09 | 2017-04-13 | Ford Global Technologies, Llc | Systems and methods for determining the integrity of internal fuel tank structural supports |
| CN206192578U (en) * | 2016-08-31 | 2017-05-24 | 北京北机机电工业有限责任公司 | Gas tightness detection device |
| CN107654295A (en) * | 2017-12-13 | 2018-02-02 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of air intake duct seal assembly of unilateral installation |
| CN107741292A (en) * | 2017-11-30 | 2018-02-27 | 闫晓红 | A kind of aircraft pressure checking device and its application method |
| CN107782493A (en) * | 2016-08-24 | 2018-03-09 | 安徽日正汽车部件有限公司 | A kind of test device for being used to detect atmospheric pressure sensor |
| CN107830969A (en) * | 2017-09-29 | 2018-03-23 | 马鞍山市恒欣减压器制造有限公司 | Quick connector for pressure instrument detection |
| CN207570720U (en) * | 2017-11-24 | 2018-07-03 | 广东菲柯特电子科技有限公司 | Air pressure test system |
-
2018
- 2018-07-09 CN CN201810743907.5A patent/CN108534950B/en active Active
Patent Citations (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4879895A (en) * | 1988-08-29 | 1989-11-14 | Mcdonnell Douglas Corporation | Normal shock locator |
| US5351524A (en) * | 1993-08-23 | 1994-10-04 | Lanham David W | Gas leak detection test station |
| US7463960B2 (en) * | 2005-06-14 | 2008-12-09 | Robert Bosch Gmbh | Method for error diagnosis of an ambient-pressure sensor and an intake-manifold pressure sensor |
| CN201302506Y (en) * | 2008-11-03 | 2009-09-02 | 书元机械企业(昆山)有限公司 | Oil seal air-tightness detection device |
| CN101892919A (en) * | 2009-05-20 | 2010-11-24 | 罗伯特.博世有限公司 | The method of the pressure transducer of the air inlet system of disgnosizing internal combustion engine |
| CN204115995U (en) * | 2014-09-28 | 2015-01-21 | 高满珍 | Pressure measurement plug |
| CN104401498A (en) * | 2014-11-19 | 2015-03-11 | 中国航空工业集团公司沈阳飞机设计研究所 | Adaptive bulging air inlet channel deformation driving device based on flexible skin |
| CN204461677U (en) * | 2015-03-02 | 2015-07-08 | 北京博曼迪汽车科技有限公司 | A kind of pressure transducer test board |
| CN104949797A (en) * | 2015-05-27 | 2015-09-30 | 重庆川仪自动化股份有限公司 | Temperature and pressure compensation method for pressure/differential pressure sensors |
| US20170101002A1 (en) * | 2015-10-09 | 2017-04-13 | Ford Global Technologies, Llc | Systems and methods for determining the integrity of internal fuel tank structural supports |
| CN105841971A (en) * | 2016-04-26 | 2016-08-10 | 中科合肥微小型燃气轮机研究院有限责任公司 | Gas turbine gas inlet measurement device |
| CN107782493A (en) * | 2016-08-24 | 2018-03-09 | 安徽日正汽车部件有限公司 | A kind of test device for being used to detect atmospheric pressure sensor |
| CN206192578U (en) * | 2016-08-31 | 2017-05-24 | 北京北机机电工业有限责任公司 | Gas tightness detection device |
| CN107830969A (en) * | 2017-09-29 | 2018-03-23 | 马鞍山市恒欣减压器制造有限公司 | Quick connector for pressure instrument detection |
| CN207570720U (en) * | 2017-11-24 | 2018-07-03 | 广东菲柯特电子科技有限公司 | Air pressure test system |
| CN107741292A (en) * | 2017-11-30 | 2018-02-27 | 闫晓红 | A kind of aircraft pressure checking device and its application method |
| CN107654295A (en) * | 2017-12-13 | 2018-02-02 | 中国航空工业集团公司沈阳飞机设计研究所 | A kind of air intake duct seal assembly of unilateral installation |
Non-Patent Citations (1)
| Title |
|---|
| 李洪雷: "工艺进气道密封技术研究", 《科技风》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109443605A (en) * | 2018-12-14 | 2019-03-08 | 上海三原电缆附件有限公司 | The detection device and its detection method of rubber prefabricated component and cable insulation interfacial pressure |
| CN109443605B (en) * | 2018-12-14 | 2023-09-29 | 上海三原电缆附件有限公司 | Device and method for detecting pressure of insulation interface between rubber prefabricated part and cable |
| CN110702335A (en) * | 2019-08-30 | 2020-01-17 | 广州文冲船厂有限责任公司 | Debugging device and debugging method for detecting air tightness of pressure sensing device |
| CN110440982A (en) * | 2019-09-16 | 2019-11-12 | 大唐半导体科技有限公司 | A kind of full-automatic control system for the calibration of air compressor machine sensor parameters |
| CN113984296A (en) * | 2021-10-12 | 2022-01-28 | 珠海格力智能装备有限公司 | Air tightness detection device and control method thereof |
| CN114705359A (en) * | 2022-04-25 | 2022-07-05 | 国机传感科技有限公司 | Silicon piezoresistive pressure sensor compensation test system and test method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108534950B (en) | 2020-03-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108534950A (en) | The multi-channel parallel performance detecting system and detection method of inlet pressure sensor | |
| CN110702307A (en) | Method for testing pressure parameters of multi-channel sensor | |
| CN106404379A (en) | Safety valve performance online detection device | |
| CN205679242U (en) | A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit | |
| CN111502972A (en) | Testing device for fuel cell air system | |
| CN218585204U (en) | Automatic pressure calibration and measurement device | |
| CN209102368U (en) | A kind of Retarder control valve detection system | |
| CN106918763A (en) | Distribution line failure simulation system | |
| CN110926527A (en) | General sensor test equipment | |
| CN104515956A (en) | Method and device for detecting intelligent ammeter power module | |
| CN207457381U (en) | A kind of signal processing module overall checkout equipment | |
| CN206318039U (en) | A kind of Portable aircraft hydraulic system fault somascope | |
| CN213067752U (en) | Modularization air leakage testing arrangement | |
| CN104076313A (en) | Online calibration device for solar simulator electronic load case | |
| CN205596071U (en) | Intelligence subassembly testing arrangement | |
| CN207335986U (en) | A kind of equipment of more bellowss airtight test at the same time | |
| CN207647901U (en) | A kind of proportioning valve is performance test bed | |
| KR20160003518A (en) | Apparatus and method for leak testing washer horse | |
| CN202420889U (en) | Pressure regulating performance test system for gas pressure regulator | |
| CN106441460B (en) | Air quantity testing device of irregular ventilation equipment | |
| CN105403306B (en) | Simulate the test device of HVAC case vehicle working condition | |
| CN215065004U (en) | Portable pressure integrated detection equipment | |
| CN110285847A (en) | A kind of measurement auxiliary device and metering method of test macro | |
| CN215639635U (en) | Portable integrated flowmeter device for measuring air flow of airplane valve type component | |
| CN221465423U (en) | Portable gas distribution device for on-line monitoring and comparison of volatile organic gases |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |