CN109596262A - Full-automatic pressure sensor verification system - Google Patents
Full-automatic pressure sensor verification system Download PDFInfo
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- CN109596262A CN109596262A CN201811536392.8A CN201811536392A CN109596262A CN 109596262 A CN109596262 A CN 109596262A CN 201811536392 A CN201811536392 A CN 201811536392A CN 109596262 A CN109596262 A CN 109596262A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L25/00—Testing or calibrating of apparatus for measuring force, torque, work, mechanical power, or mechanical efficiency
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- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Abstract
The present invention relates to sensor detection fields, and disclose full-automatic pressure sensor verification system, module occurs including pressure, conversion module, data processing module and controller module, the output end that module occurs for the pressure is electrically connected with the input terminal of standard transducer, the output end that module occurs for the pressure is electrically connected with the input terminal of sensor to be measured, corresponding data can be compared in data comparing module in data processing module, data processing module can transfer data in controller module after the completion of comparison, data in controller module can be shown by display module, it stores data into memory module simultaneously, signal can be fed back to pressure and be occurred in module after the completion of preservation, and it controls pressure generator one and pressure generator two and apply to standard transducer and sensor to be measured that identical other are big respectively Small pressure, so that the detection accuracy of sensor effectively improves.
Description
Technical field
The present invention relates to sensor detection fields, specially full-automatic pressure sensor verification system.
Background technique
Pressure sensor is a kind of the most widely used sensor, and traditional pressure sensor is with the device of mechanical structure type
Based on part, pressure is indicated with the deformation of elastic element, but this structure size is big, quality weight, electricity output cannot be provided, with
The development of semiconductor technology, semiconductor pressure sensor also come into being, its main feature is that small in size, light weight, accuracy height, temperature
Spend characteristic it is good, in particular with the development of MEMS technology, semiconductor transducer towards miniaturization, and its small power consumption, can
By property height.
The basic principle of multi-sensor information fusion technology, will be each just as the process of the brain integrated treatment information of people
Kind sensor carries out message complementary sense and the optimum organization processing in multi-level, more spaces, the final consistency generated to observing environment
It explains, fully rationally dominate and use using multi-source data in this process, and the final goal of information fusion
It is then the separation observation information obtained based on each sensor, but existing pressure sensor needs to carry out precision before factory
Calibrating, be easy to appear the larger phenomenon of sensor error, and the larger workload of artificial detection, will increase a large amount of manpowers at
This.
Summary of the invention
(1) the technical issues of solving
In view of the deficiencies of the prior art, the present invention provides full-automatic pressure sensor verification system, has detection accuracy
Higher, full-automatic detection and the advantages that reduce human cost, solving detection process, to be easy to appear sensor error biggish
Phenomenon, and the larger workload of artificial detection, the problem of will increase a large amount of human costs.
(2) technical solution
To realize that above-mentioned detection accuracy is higher, full-automatic detection and reduction human cost purpose, the present invention provide as follows
Technical solution: full-automatic pressure sensor verification system, including pressure occur module, conversion module, data processing module and
Controller module, the output end that module occurs for the pressure are electrically connected with the input terminal of standard transducer, and mould occurs for the pressure
The output end of block is electrically connected with the input terminal of sensor to be measured；
The output end of the standard transducer is electrically connected with the input terminal of conversion module, the output of the sensor to be measured
End is electrically connected with the input terminal of conversion module；
The output end of the conversion module is electrically connected with the input terminal of data processing module；
The output end of the data processing module is electrically connected with the input terminal of controller module；
The output end of the controller module is electrically connected with the input terminal that module occurs for pressure.
Preferably, the pressure generation module is divided into pressure generator one and pressure generator two, and pressure generator one
It is the minute-pressure pressure pump that model is TY-YFQ-002S with pressure generator two.
Preferably, the conversion module is divided into A/D converter one and A/D converter two, and A/D converter one and A/D
The model of converter two is PFM4914BB6M48D0C08.
Preferably, the inside of the data processing module is equipped with multiple data comparing modules.
Preferably, the output end of the controller module is electrically connected with the input terminal of display module, the controller module
Output end be electrically connected with the input terminal of memory module.
Preferably, the model S7-200 data storage of the memory module.
(3) beneficial effect
Compared with prior art, the present invention provides full-automatic pressure sensor verification system, have it is following the utility model has the advantages that
1, to solve the problems, such as that human cost is higher, the design, which proposes to control by controller module, applies pressure size
Design, solves the problems, such as human cost waste, and controller module can press application according to the error size that constant pressure detects
Power makes controllable pressing pressure that module one biggish power of application occur, detects when first time when first time detection pressure error is smaller
Pressure error makes more greatly controllable pressure that module one lesser power of application occur, and will through standard transducer and sensor to be measured
Signal is transferred in data processing module and is compared, calculated after repeatedly comparing sensor to be measured and standard transducer it
Between error, the waste of human cost can be reduced well；
2, to solve the problems, such as that detection process accuracy is lower, the design proposes to carry out sensor to be measured repeatedly pressure ratio
Pair design, solve the problems, such as that detection process accuracy is lower, the data comparing module in data processing module can be to correspondence
Data be compared, data processing module can transfer data in controller module after the completion of comparison, in controller module
Data can be shown by display module, while storing data into memory module, can be anti-by signal after the completion of preservation
It is fed to pressure to occur in module, and controls pressure generator one and pressure generator two respectively to standard transducer and sensing to be measured
Device apply the pressure of other identical sizes, so that the detection accuracy of sensor effectively improves.
Detailed description of the invention
Fig. 1 is operation principle schematic diagram of the present invention；
Fig. 2 is the internal schematic illustration of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Module, conversion module, data occur for full-automatic pressure sensor verification system referring to FIG. 1-2, including pressure
Processing module and controller module, the output end that module occurs for pressure are electrically connected with the input terminal of standard transducer, and pressure occurs
The output end of module is electrically connected with the input terminal of sensor to be measured, and module occurs for pressure can apply different pressures to pressure sensor
Power, module, which occurs, for pressure simultaneously to press to standard transducer and sensor to be measured, convenient for carrying out essence to sensor error
True comparison；
The output end of standard transducer is electrically connected with the input terminal of conversion module, the output end of sensor to be measured and conversion
The input terminal of device module is electrically connected, and the pressure signal on standard transducer and sensor to be measured can be transferred in conversion module,
Conversion module can convert pressure signal to digital data transmission into data processing module；
The output end of conversion module is electrically connected with the input terminal of data processing module, the data converted in conversion module
It can be transferred in data processing module, data processing module can carry out integration processing to data；
The output end of data processing module is electrically connected with the input terminal of controller module, the data of data processing module integration
It can be transferred in controller module, controller module can store data, while can control pressure and module switching occurs not
Same pressure presses to standard transducer and sensor to be measured；
The output end of controller module is electrically connected with the input terminal that module occurs for pressure, and controller module can control pressure hair
Raw module exports different size of pressure, and different size of pressure can simultaneously press to standard transducer and sensor to be measured
Accurately to calculate the error of sensor to be measured.
Further, pressure generation module is divided into pressure generator one and pressure generator two, and one He of pressure generator
Pressure generator two is the minute-pressure pressure pump that model is TY-YFQ-002S, the type of pressure generator one and pressure generator two
It is number identical, can apply to standard transducer and sensor to be measured the pressure of same size simultaneously, and minute-pressure pressure pump
Accuracy is higher, and the pressure error applied to standard transducer and sensor to be measured is smaller, so that the test to pressure sensor
It examines and determine more accurate.
Further, conversion module is divided into A/D converter one and A/D converter two, and A/D converter one and A/D turn
The model of parallel operation two is PFM4914BB6M48D0C08, and A/D converter one is identical with the model of A/D converter two, so that turning
The signal accuracy of parallel operation module conversion is identical, avoids the occurrence of error compared with when making comparing greatly and the mixed and disorderly situation of data occurs.
Further, the inside of data processing module is equipped with multiple data comparing modules, the pressure signal under uniform pressure
The data of generation can be compared by multiple data comparing modules, more accurate can calculate measuring and calculating error.
Further, the output end of controller module is electrically connected with the input terminal of display module, the output of controller module
End is electrically connected with the input terminal of memory module, can be shown by display module by the data of controller module, simultaneously number
It is checked according to that can store in memory module to carry out data, so that the data of pressure sensor can be carried out and be used for multiple times, so as to
Calculate the qualification rate of pressure sensor.
Further, the model S7-200 data storage of memory module, the data of test can store memory module
In checked to carry out data, cost is relatively low and high stability for data storage, guarantee detection stablize in the case where
Reduce cost.
Standard transducer and sensor to be measured: being first put under identical environment by working principle when use, then passes through pressure
The pressure generator one of inside modules occurs for power and pressure generator two respectively applies standard transducer and sensor to be measured
Add identical constant pressure, standard transducer and sensor to be measured detect and can be respectively transmitted to convert by pressure signal when pressure
It, can be by pressure signal in A/D converter one and A/D converter two in the A/D converter one and A/D converter two of device inside modules
Digital data transmission is converted into data processing module, the data comparing module in data processing module can be to corresponding data
It is compared, data processing module can transfer data in controller module after the completion of comparison, the data in controller module
It can be shown, while be stored data into memory module by display module, signal can fed back to pressure after the completion of preservation
Power occurs in module, and controls pressure generator one and pressure generator two and carry out respectively to standard transducer and sensor to be measured
The pressure for applying other identical sizes makes controllable pressing pressure that module application one occur when first time detection pressure error is smaller
Biggish power applies a lesser power when first time detection pressure error makes more greatly controllable pressure that module occur, and through marking
Quasi- sensor and sensor to be measured are transferred signals in data processing module and are compared, calculated after repeatedly comparing to
Survey the error between sensor and standard transducer.
In conclusion the accuracy of the full-automatic pressure sensor verification system is higher, using standard transducer with it is to be measured
The method that sensor is repeatedly compared can accurately calculate the error between sensor and standard transducer to be measured, so as to
In the qualification rate for accurately calculating sensor, and the pressure of application can be configured automatically according to error size, be examined
The data of survey can be saved in memory module, can effectively reduce the waste of human resources.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that
There is also other identical elements in process, method, article or equipment including the element.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. module, conversion module, data processing module and control occur for full-automatic pressure sensor verification system, including pressure
Device module, it is characterised in that: the output end that module occurs for the pressure is electrically connected with the input terminal of standard transducer, the pressure
The output end that module occurs is electrically connected with the input terminal of sensor to be measured；
The output end of the standard transducer is electrically connected with the input terminal of conversion module, the output end of the sensor to be measured with
The input terminal of conversion module is electrically connected；
The output end of the conversion module is electrically connected with the input terminal of data processing module；
The output end of the data processing module is electrically connected with the input terminal of controller module；
The output end of the controller module is electrically connected with the input terminal that module occurs for pressure.
2. full-automatic pressure sensor verification system according to claim 1, it is characterised in that: module occurs for the pressure
It is divided into pressure generator one and pressure generator two, and it is TY-YFQ- that pressure generator one and pressure generator two, which are model,
The minute-pressure pressure pump of 002S.
3. full-automatic pressure sensor verification system according to claim 1, it is characterised in that: the conversion module point
For A/D converter one and A/D converter two, and the model of A/D converter one and A/D converter two is
PFM4914BB6M48D0C08。
4. full-automatic pressure sensor verification system according to claim 1, it is characterised in that: the data processing module
Inside be equipped with multiple data comparing modules.
5. full-automatic pressure sensor verification system according to claim 1, it is characterised in that: the controller module
Output end is electrically connected with the input terminal of display module, and the output end of the controller module and the input terminal of memory module are electrically connected
It connects.
6. full-automatic pressure sensor verification system according to claim 1, it is characterised in that: the type of the memory module
Number be S7-200 data storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536392.8A CN109596262A (en) | 2018-12-14 | 2018-12-14 | Full-automatic pressure sensor verification system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811536392.8A CN109596262A (en) | 2018-12-14 | 2018-12-14 | Full-automatic pressure sensor verification system |
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| Publication Number | Publication Date |
|---|---|
| CN109596262A true CN109596262A (en) | 2019-04-09 |
Family
ID=65960794
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811536392.8A Pending CN109596262A (en) | 2018-12-14 | 2018-12-14 | Full-automatic pressure sensor verification system |
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| Country | Link |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361042A (en) * | 2019-07-25 | 2019-10-22 | 深圳中物兴华科技发展有限公司 | A kind of humiture monitoring device automatic gauge calibration method and system |
| CN110672264A (en) * | 2019-10-09 | 2020-01-10 | 武汉飞恩微电子有限公司 | Detection system and detection method for pressure sensor of micro-electro-mechanical system |
| CN111664993A (en) * | 2020-07-16 | 2020-09-15 | 毕节市质量技术监督检测所 | Automatic calibrating device and method for force measuring equipment |
| CN112033601A (en) * | 2020-08-03 | 2020-12-04 | 昆明云内动力股份有限公司 | Pressure sensor detection system for diesel engine |
-
2018
- 2018-12-14 CN CN201811536392.8A patent/CN109596262A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110361042A (en) * | 2019-07-25 | 2019-10-22 | 深圳中物兴华科技发展有限公司 | A kind of humiture monitoring device automatic gauge calibration method and system |
| CN110672264A (en) * | 2019-10-09 | 2020-01-10 | 武汉飞恩微电子有限公司 | Detection system and detection method for pressure sensor of micro-electro-mechanical system |
| CN111664993A (en) * | 2020-07-16 | 2020-09-15 | 毕节市质量技术监督检测所 | Automatic calibrating device and method for force measuring equipment |
| CN112033601A (en) * | 2020-08-03 | 2020-12-04 | 昆明云内动力股份有限公司 | Pressure sensor detection system for diesel engine |
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| PB01 | Publication | ||
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Application publication date: 20190409 |