CN206772473U - A kind of simple pressure sensor test system - Google Patents
A kind of simple pressure sensor test system Download PDFInfo
- Publication number
- CN206772473U CN206772473U CN201720313661.9U CN201720313661U CN206772473U CN 206772473 U CN206772473 U CN 206772473U CN 201720313661 U CN201720313661 U CN 201720313661U CN 206772473 U CN206772473 U CN 206772473U
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- module
- pressure sensor
- test system
- measured
- simple pressure
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Abstract
A kind of simple pressure sensor test system, including power module, CPU module, sensor assembly to be measured and digital display module；The power module electrically connects CPU module, the sensor assembly to be measured and the digital display module；The sensor assembly to be measured electrically connects with the CPU module；The CPU module communicates to connect with the digital display module.The utility model is simple in construction, easy to operate, improves operating efficiency.
Description
Technical field
It the utility model is related to sensor test field, more particularly to a kind of simple pressure sensor test system.
Background technology
At present, general company is all to be become using power supply and general-purpose by the way of combination to product for the test of pressure sensor
Tested.Subject matter existing for the method for current this test is：
1st, test is required for wiring, link power supply and universal meter every time；
2nd, regulating power source voltage is needed before testing；
3rd, since it is desired that manually therefore and easily wiring error occur causes damage of product for wiring；
4th, this mode can only test single pass pressure sensor, as fruit product has two output channels（Such as CNG pressures
Force snesor）Then need again additional universal meter rewiring；
5th, most pressure sensor all carries temperature output signal at present, can not test temperature letter using original mode
Number.
Utility model content
The purpose of this utility model is to overcome above-mentioned problem of the prior art, there is provided a kind of simple pressure sensor test
System.
Above-mentioned purpose is to be achieved through the following technical solutions：
A kind of simple pressure sensor test system, including power module, CPU module, sensor assembly to be measured and number
Display module；
The power module electrically connects CPU module, the sensor assembly to be measured and the digital display module；
The sensor assembly to be measured electrically connects with the CPU module；
The CPU module communicates to connect with the digital display module.
Further, the power module includes transformer, and extraneous 220V voltages are converted into 24V and 5V through the transformer
Two kinds of feeder ears.
Further, the power module also includes voltage-stabiliser tube, and the 5V feeder ears are by the voltage-stabiliser tube to the number
Code display module, the CPU module and the sensor assembly to be measured provide accurately 5V voltages.
Further, the CPU module includes analog-to-digital conversion module, by the voltage through the sensor assembly output to be measured
It is converted into data signal and numerical value is shown by the digital display module.
Further, the CPU module also includes a precision resister module, and the precision resister module is treated with described
The thermistor for surveying sensor assembly is connected on the 5V voltages.
Further, the digital display module includes two voltmeters, an ammeter and an ohmmeter.
Beneficial effect
Because the pressure sensor product of analog voltage output is applied to automobile and Industry Control, therefore the confession of product mostly
Piezoelectric voltage is generally 5V or 24V.A kind of simple pressure sensor test circuit of the utility model, two have not only been reserved during design
The power channel of different voltages is available for testing pressure sensor to select, moreover it is possible to which high-precision resistance value can be read by, which leading to, calculates sensor
Temperature value, the system are not only simple in structure easy to operate, security performance height, and improve the work effect of high pressure sensor test
Rate.
Brief description of the drawings
Fig. 1 is a kind of structural representation of simple pressure sensor test system described in the utility model.
Embodiment
The utility model is described in further detail below according to drawings and examples.
As shown in figure 1, switching on power, power module gives the CPU module, the sensor assembly to be measured and the number
Display module, extraneous 220V voltages are converted into two kinds of powering modes through transformer, and 24V voltages are inputted to high pressure sensor, described
The voltage signal that the high pressure sensor received exports is converted into data signal by analog-to-digital conversion module in CPU module, and is passed through
Voltmeter 1 is shown in the digital display module；Analog-to-digital conversion module is defeated by the high pressure sensor received in the CPU module
The current signal gone out is converted into data signal, and is shown by electric current mark in the digital display module；To high pressure sensor certainly
The thermistor input 5V voltages of band, the thermistor is passed through the voltage of output by the high-precision resistive module of series connection described
Analog-to-digital conversion module is converted into data signal in CPU module, and is shown by voltmeter 2 in the digital display module；Will be through
The resistance signal for crossing high-precision resistive module output is converted into data signal by analog-to-digital conversion module in the CPU module, and leads to
Ohmmeter in the digital display module is crossed to show.
As shown in figure 1, switching on power, power module gives the CPU module, the sensor assembly to be measured and the number
Display module, extraneous 220V voltages are converted into two kinds of powering modes through transformer, defeated by voltage-stabiliser tube to high pressure sensor input
The 5V voltages gone out, the voltage signal that the high pressure sensor received exports is converted into by analog-to-digital conversion module in the CPU module
Data signal, and shown by voltmeter 1 in the digital display module；Analog-to-digital conversion module will receive in the CPU module
To the current signal of high pressure sensor output be converted into data signal, and shown by electric current mark in the digital display module
Show；5V voltages are inputted to the thermistor that high pressure sensor carries, the thermistor will by the high-precision resistive module of series connection
The voltage of output is converted into data signal by analog-to-digital conversion module in the CPU module, and passes through the digital display module
Middle voltmeter 2 is shown；Resistance signal by the output of high-precision resistive module is turned by analog-to-digital conversion module in the CPU module
Change data signal into, and shown by ohmmeter in the digital display module.
Explanation embodiment of the present utility model is the foregoing is only, the utility model is not limited to, for ability
It is all within the spirit and principles of the utility model for the technical staff in domain, any modification, equivalent substitution and improvements made
Deng should be included within the scope of protection of the utility model.
Claims (6)
- A kind of 1. simple pressure sensor test system, it is characterised in that:Including power module, CPU module, sensor to be measured Module and digital display module；The power module electrically connects CPU module, the sensor assembly to be measured and the digital display module；The sensor assembly to be measured electrically connects with the CPU module；The CPU module communicates to connect with the digital display module.
- A kind of 2. simple pressure sensor test system according to claim 1, it is characterised in that:The power module bag Transformer is included, extraneous 220V voltages are converted into two kinds of feeder ears of 24V and 5V through the transformer.
- A kind of 3. simple pressure sensor test system according to claim 2, it is characterised in that:Also include voltage-stabiliser tube, The 5V feeder ears are by the voltage-stabiliser tube to the digital display module, the CPU module and the sensor assembly to be measured Accurately 5V voltages are provided.
- A kind of 4. simple pressure sensor test system according to claim 1, it is characterised in that:The CPU module bag Analog-to-digital conversion module is included, by the voltage conversion through the sensor assembly output to be measured into data signal and by described digital aobvious Show that module shows numerical value.
- A kind of 5. simple pressure sensor test system according to claim 2, it is characterised in that:The CPU module is also Including a precision resister module, the precision resister module and the thermistor of the sensor assembly to be measured are connected on institute State on 5V voltages.
- A kind of 6. simple pressure sensor test system according to claim 1, it is characterised in that:The digital-scroll technique mould Block includes two voltmeters, an ammeter and an ohmmeter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720313661.9U CN206772473U (en) | 2017-03-29 | 2017-03-29 | A kind of simple pressure sensor test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720313661.9U CN206772473U (en) | 2017-03-29 | 2017-03-29 | A kind of simple pressure sensor test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772473U true CN206772473U (en) | 2017-12-19 |
Family
ID=60633029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720313661.9U Active CN206772473U (en) | 2017-03-29 | 2017-03-29 | A kind of simple pressure sensor test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772473U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768531A (en) * | 2017-03-29 | 2017-05-31 | 无锡永阳电子科技有限公司 | A kind of simple pressure sensor test system |
-
2017
- 2017-03-29 CN CN201720313661.9U patent/CN206772473U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106768531A (en) * | 2017-03-29 | 2017-05-31 | 无锡永阳电子科技有限公司 | A kind of simple pressure sensor test system |
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