CN214373112U - Pressure sensor testing device - Google Patents
Pressure sensor testing device Download PDFInfo
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- CN214373112U CN214373112U CN202120432486.1U CN202120432486U CN214373112U CN 214373112 U CN214373112 U CN 214373112U CN 202120432486 U CN202120432486 U CN 202120432486U CN 214373112 U CN214373112 U CN 214373112U
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- electromagnetic valve
- pipe fitting
- interface
- pressure sensor
- pressure
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Abstract
The utility model discloses a pressure sensor testing device, which comprises a main controller, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a tee pipe fitting 1, a tee pipe fitting 2, a pressure controller, a steam generator, a gas storage tank and an air compressor; two interfaces of the three-way pipe fitting 1 are respectively connected with a first electromagnetic valve and a second electromagnetic valve, and a third interface of the three-way pipe fitting 1 is used for connecting a pressure sensor to be measured; the second electromagnetic valve is communicated with the atmosphere, the first electromagnetic valve is connected with the air outlet of the pressure controller, the air inlet of the pressure controller is respectively connected with a third electromagnetic valve and a fourth electromagnetic valve through a three-way pipe fitting 2, the third electromagnetic valve is connected with a steam generator, the fourth electromagnetic valve is connected with an air storage tank and an air compressor, and the selection of a test air path can be realized by controlling the third electromagnetic valve and the fourth electromagnetic valve; after the test gas circuit is selected, the service life and the performance of the pressure sensor can be tested by controlling the first electromagnetic valve and the second electromagnetic valve.
Description
Technical Field
The utility model belongs to the technical field of detect testing arrangement, concretely relates to pressure sensor testing arrangement.
Background
With the increasing application scenes of the pressure sensor, the demand of the pressure sensor is increasing, and the requirements on the performance and the service life of the pressure sensor are higher and higher. Two common application scenarios of the pressure sensor are to measure gas pressure and steam pressure, but the conventional pressure sensor performance testing device usually only adopts compressed air to test a gas source, and the testing result is not accurate enough, so that a pressure sensor performance testing device capable of adapting to different working scenarios needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art not enough, provide a pressure sensor testing arrangement.
The utility model discloses a realize through following technical scheme:
a pressure sensor testing device comprises a main controller, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a three-way pipe fitting 1, a three-way pipe fitting 2, a pressure controller, a steam generator, a gas storage tank and an air compressor;
the three-way pipe fitting comprises three interfaces, a first interface of the three-way pipe fitting is connected with a first interface of a first electromagnetic valve through a pipeline, a second interface of the three-way pipe fitting is connected with a first interface of a second electromagnetic valve through a pipeline, and a third interface of the three-way pipe fitting is used for connecting a pressure sensor to be detected; the second interface of the first electromagnetic valve is connected with the air outlet of the pressure controller through a pipeline, the air inlet of the pressure controller is respectively connected with the first interface of the third electromagnetic valve and the first interface of the fourth electromagnetic valve through a three-way pipe fitting 2, the second interface of the third electromagnetic valve is connected with the steam outlet of the steam generator through a pipeline, the second interface of the fourth electromagnetic valve is connected with the air outlet of the air storage tank through a pipeline, and the air inlet of the air storage tank is connected with the air compressor; a second port of the second electromagnetic valve is communicated with the atmosphere;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with the main controller, and the on-off of the four electromagnetic valves is controlled by the main controller.
In the above technical scheme, the solenoid valve driving circuit units are respectively arranged between the main controller and each solenoid valve to amplify voltage and drive each solenoid valve.
In the technical scheme, the main controller is also connected with an upper computer, and the main controller is controlled by the upper computer.
In the technical scheme, the pressure controller is mechanical, and the output air pressure can be adjusted by adjusting the pressure setting knob of the pressure controller; or the pressure controller adopts an electric control type, the electric control type pressure controller is connected with the main controller, and the pressure controller is controlled by the main controller.
The utility model discloses an advantage and beneficial effect do:
the utility model discloses a pressure sensor testing arrangement simple structure, reasonable in design, the cost is lower. By controlling the third electromagnetic valve and the fourth electromagnetic valve, the selection of a test gas circuit can be realized, and high-pressure high-temperature steam or high-pressure air is selected as a pressure gas source. After the test gas circuit is selected, the service life and the performance of the pressure sensor can be tested by controlling the first electromagnetic valve and the second electromagnetic valve.
Drawings
Fig. 1 is a schematic view of a connection structure of the pressure sensor testing device of the present invention.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
In order to make the technical field person understand the solution of the present invention better, the technical solution of the present invention is further described below with reference to the specific embodiments.
Referring to the attached drawing 1, the pressure sensor testing device comprises a main controller, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a three-way pipe fitting 1, a three-way pipe fitting 2, a pressure controller, a steam generator, a gas storage tank and an air compressor.
The three-way pipe fitting 1 comprises three interfaces, a first interface of the three-way pipe fitting 1 is connected with a first interface of a first electromagnetic valve through a pipeline, a second interface of the three-way pipe fitting 1 is connected with a first interface of a second electromagnetic valve through a pipeline, and a third interface of the three-way pipe fitting 1 is used for connecting a pressure sensor to be measured; the second interface of the first electromagnetic valve is connected with the air outlet of the pressure controller through a pipeline, the air inlet of the pressure controller is respectively connected with the first interface of the third electromagnetic valve and the first interface of the fourth electromagnetic valve through a three-way pipe fitting 2, the second interface of the third electromagnetic valve is connected with the steam outlet of the steam generator through a pipeline, the second interface of the fourth electromagnetic valve is connected with the air outlet of the air storage tank through a pipeline, and the air inlet of the air storage tank is connected with the air compressor; and a second port of the second electromagnetic valve is communicated with the atmosphere.
The first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with the main controller, and the on-off of the four electromagnetic valves is controlled by the main controller.
Furthermore, an electromagnetic valve driving circuit unit is respectively arranged between the main controller and each electromagnetic valve, voltage amplification is carried out, and driving of each electromagnetic valve is achieved.
Furthermore, the main controller is also connected with an upper computer, and the main controller is controlled by the upper computer.
Furthermore, the pressure controller adopts a mechanical type, and the output air pressure can be adjusted by adjusting a pressure setting knob of the pressure controller; or the pressure controller adopts an electric control type, the electric control type pressure controller is connected with the main controller, and the pressure controller is controlled by the main controller.
The working principle of the device is as follows:
the main controller controls the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve according to the setting of the upper computer.
Through controlling third solenoid valve and fourth solenoid valve, realize the selection of test gas circuit, specific saying: when the third electromagnetic valve is communicated, high-pressure high-temperature steam generated by the steam generator is used as a pressure air source, and when the fourth electromagnetic valve is communicated, high-pressure air is provided by the air storage tank to be used as a pressure air source.
After the test gas circuit is selected, the service life and the performance of the pressure sensor can be tested by controlling the first electromagnetic valve and the second electromagnetic valve, and the specific description is that: when the first electromagnetic valve is switched on and the second electromagnetic valve is switched off, the pressure gas source acts on the pressure sensor to be tested through the first electromagnetic valve and the tee pipe fitting 1, and the pressure sensor to be tested is subjected to positive pressure test; when the second electromagnetic valve is switched to be the passage and the first electromagnetic valve is in circuit break, the pressure air source is discharged through the second electromagnetic valve, the pressure sensor to be tested has no pressure action, positive pressure and no pressure (namely atmospheric pressure) circulation test is carried out according to the control mode, and the service life and the performance of the pressure sensor can be tested.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The invention has been described above by way of example, and it should be noted that any simple variants, modifications or other equivalent substitutions by a person skilled in the art without spending creative effort may fall within the scope of protection of the present invention without departing from the core of the present invention.
Claims (3)
1. A pressure sensor testing device is characterized in that: the device comprises a main controller, a first electromagnetic valve, a second electromagnetic valve, a third electromagnetic valve, a fourth electromagnetic valve, a three-way pipe fitting 1, a three-way pipe fitting 2, a pressure controller, a steam generator, a gas storage tank and an air compressor;
the three-way pipe fitting 1 comprises three interfaces, a first interface of the three-way pipe fitting 1 is connected with a first interface of a first electromagnetic valve through a pipeline, a second interface of the three-way pipe fitting 1 is connected with a first interface of a second electromagnetic valve through a pipeline, and a third interface of the three-way pipe fitting 1 is used for connecting a pressure sensor to be measured; the second interface of the first electromagnetic valve is connected with the air outlet of the pressure controller through a pipeline, the air inlet of the pressure controller is respectively connected with the first interface of the third electromagnetic valve and the first interface of the fourth electromagnetic valve through a three-way pipe fitting 2, the second interface of the third electromagnetic valve is connected with the steam outlet of the steam generator through a pipeline, the second interface of the fourth electromagnetic valve is connected with the air outlet of the air storage tank through a pipeline, and the air inlet of the air storage tank is connected with the air compressor; a second port of the second electromagnetic valve is communicated with the atmosphere;
the first electromagnetic valve, the second electromagnetic valve, the third electromagnetic valve and the fourth electromagnetic valve are respectively connected with the main controller, and the on-off of the four electromagnetic valves is controlled by the main controller.
2. The pressure sensor testing device of claim 1, wherein: and an electromagnetic valve driving circuit unit is respectively arranged between the main controller and each electromagnetic valve.
3. The pressure sensor testing device of claim 1, wherein: the main controller is also connected with an upper computer and controls the main controller through the upper computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432486.1U CN214373112U (en) | 2021-02-26 | 2021-02-26 | Pressure sensor testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120432486.1U CN214373112U (en) | 2021-02-26 | 2021-02-26 | Pressure sensor testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214373112U true CN214373112U (en) | 2021-10-08 |
Family
ID=77967573
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120432486.1U Expired - Fee Related CN214373112U (en) | 2021-02-26 | 2021-02-26 | Pressure sensor testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214373112U (en) |
-
2021
- 2021-02-26 CN CN202120432486.1U patent/CN214373112U/en not_active Expired - Fee Related
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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: 20211008 |