CN207866422U - A kind of automatic test and experiment device of pressure signal device operating pressure - Google Patents
A kind of automatic test and experiment device of pressure signal device operating pressure Download PDFInfo
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- CN207866422U CN207866422U CN201721691836.6U CN201721691836U CN207866422U CN 207866422 U CN207866422 U CN 207866422U CN 201721691836 U CN201721691836 U CN 201721691836U CN 207866422 U CN207866422 U CN 207866422U
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Abstract
The utility model provides a kind of automatic test and experiment device of pressure signal device operating pressure, including air source, pressure regulating unit, pressure sensor, pressure signal device and control unit, air source described in the control Signal Regulation that the pressure regulating unit is sent out according to described control unit is supplied to the gas pressure of the pressure signal device, pressure signal device is when the gas pressure meets and disconnects and/or be connected to condition, disconnection is sent out to described control unit, communications signals, pressure signal when pressure signal device is disconnected and/or be connected to by the pressure sensor is converted into electric signal and is sent to described control unit, described control unit records electric signal corresponding pressure value.It is big that the utility model solves existing test device operation difficulty, and error in reading is big and human factor influences big problem.
Description
Technical field
The utility model is related to measuring device field, more particularly to a kind of automatic testing experiment of pressure signal device operating pressure
Device.
Background technology
Currently, tank Automatic-boosting of the carrier rocket in flight course, is all made of pressure signal device test monitoring tank
Pressure, and on-off signal control boost electromagnetic valve is sent out, realize the control to tank pressure.To pressure signal device stand-alone debugging and
In the manufacturing process of experiment, still pressure is transmitted using using pressure gauge test job pressure, while using small electric bulb luminous and extinguishing
The on-off signal that signalling means is sent out, OFF state that tester needs while observing pressure gauge reading, small electric bulb shines, will also operate
Supercharging decompression hand-operated valve.Change too fast pressure gauge reading due to that can not be read when manually reading pressure gauge, is configured with small container
Reduce rate of pressure change.Even so, test job difficulty is big, and test error is big, to the qualification of personnel, reaction, reading
For number skills by higher requirement, while by artificially reading and reaction is affected, testing efficiency is relatively low, test result mistake
Poor big, manufacturing cost is higher.
Utility model content
The technical issues of the utility model solves is to provide a kind of automatic test and experiment device of pressure signal device operating pressure,
Existing measuring device test job difficulty is reduced, and test is more accurate, improves testing efficiency.
In order to solve the above-mentioned technical problem, the utility model provides a kind of automatic testing experiment of pressure signal device operating pressure
Device, including air source, pressure regulating unit, pressure sensor, pressure signal device and control unit, the pressure regulating unit root
Air source described in the control Signal Regulation sent out according to described control unit is supplied to the gas pressure of the pressure signal device, pressure letter
Number device meets in the gas pressure to be disconnected and/or when connection condition, disconnection, communications signals, institute is sent out to described control unit
It states pressure signal when pressure signal device is disconnected and/or be connected to by pressure sensor and is converted into electric signal and be sent to the control singly
Member, described control unit record electric signal corresponding pressure value.
Optionally, described control unit includes：Control display unit and collecting unit, the control display unit be used for
The pressure regulating unit sends control signal, and the control signal includes boost pressure signal and depression signal, the boost pressure signal
It is respectively used to control the pressure regulating unit with depression signal and the output gas pressure of air source is pressurized and is depressurized, it is described
Control display unit is additionally operable to, when pressure signal device sends disconnection, communications signals to described control unit, send out store instruction
To the collecting unit；The control display unit is additionally operable to show the opening pressure with pressure is connected to, described to adopt
Collection unit is for when receiving the store instruction, storing the electric signal from pressure sensor, and above electrical signal is converted
At corresponding opening pressure value and/or connection pressure value, stored.
Optionally, the control display unit is additionally operable to send out supercharging letter after receiving test starting command input by user
Number, and for when receiving the cut-off signal from pressure signal device, storage opening pressure to be sent out to the collecting unit
The instruction of value, and control pressure adjusts unit and stops supercharging, and the control display unit is additionally operable to deposit in the collecting unit
After storing up the opening pressure value, depression signal is sent out, and be used for when receiving the communications signals from pressure signal device,
The instruction of storage connection pressure value is sent out to the collecting unit, and control pressure adjusts unit and stops decompression.
Optionally, the automatic test and experiment device of pressure signal device operating pressure includes：Gas piping, for being connected to
The air source and pressure signal device, the pressure regulating unit are arranged in gas piping, including：Compress cell and decompression are single
Member, the compress cell based on the boost pressure signal for opening air source to increase the gas piping and pressure signal
The gas pressure of device is until the pressure signal device sends out cut-off signal；The decompressing unit is used to be based on the depression signal pair
Reduce the gas pressure of the gas piping and pressure signal device based on the depression signal until the pressure signal device is sent out
Communications signals.
Optionally, the compress cell includes：Boost electromagnetic valve and supercharging throttle orifice, the boost electromagnetic valve is for being based on
Boost pressure signal from control unit is opened, and air-flow reaches pressure signal device from air source by supercharging throttle orifice, boost electromagnetic valve
And pressure sensor, until pressure signal device sends out cut-off signal, pressure sensor acquires gas pressure in gas piping in real time
Power, and it is sent to described control unit, shutdown signal of the boost electromagnetic valve based on described control unit is closed；
The decompressing unit includes：Vacuum solenoid valve and decompression throttle orifice, the vacuum solenoid valve are used for based on come automatic control
The depression signal of unit processed is opened, and the gas in gas piping realizes flue by vacuum solenoid valve, decompression throttle orifice discharge
Road is depressurized, until pressure signal device sends out communications signals, pressure sensor acquires the gas pressure in gas piping in real time, concurrently
It send to described control unit, shutdown signal of the vacuum solenoid valve based on described control unit is closed.
Optionally, the supercharging throttle orifice and decompression throttle orifice are adjustable orifice, and the pore size of the adjustable orifice is used
In the supercharging, the decompression rate that adjust the compress cell and decompressing unit.
Compared with prior art, the utility model has the advantage that：
The automatic test and experiment device of pressure signal device operating pressure provided by the utility model is adjusted using air source, pressure
Pressure signal device operating pressure is tested in the cooperation of unit, pressure sensor and control unit automatically, and the pressure test is real
Experiment device can test pressure signal device operating pressure automatically, effectively reduce the test operation difficulty of pressure signal device, carry
High testing efficiency.Specifically, sending out control Signal Regulation air source to pressure regulating unit by control unit is supplied to pressure
The gas pressure of force signal device, pressure signal device is when the gas pressure meets and disconnects and/or be connected to condition, to control unit
Disconnection, communications signals are sent out, pressure signal when pressure signal device is disconnected and/or be connected to by pressure sensor is converted into electric signal
It is sent to control unit, control unit records above electrical signal corresponding pressure value, carries out pressure signal device operating pressure
Automatic test.
Description of the drawings
Utility model is described further below in conjunction with the accompanying drawings：
Fig. 1 is the signal for the automatic test and experiment device of pressure signal device operating pressure that the utility model embodiment provides
Figure.
Specific implementation mode
The utility model provides a kind of automatic test and experiment device of pressure signal device operating pressure, solves existing measurement
The problem that device to test work difficulty is big, error is big.The automatic test and experiment device of pressure signal device operating pressure by air source, pressure
Power adjusts unit, pressure sensor, pressure signal device and control unit and is integrated.The wherein described pressure regulating unit is according to institute
State the gas pressure that air source described in the control Signal Regulation that control unit is sent out is supplied to the pressure signal device, pressure signal device
When the gas pressure meets and disconnects and/or be connected to condition, disconnection, communications signals are sent out to described control unit, the disconnection,
Communications signals adjust unit as control signal control pressure and work.It is described when pressure signal device disconnects and/or is connected to
Pressure signal when pressure signal device is disconnected and/or be connected to by pressure sensor is converted into electric signal and is sent to the control list
Member, described control unit record electric signal corresponding pressure value.
The utility model cooperates to complete by control unit and air source, pressure regulating unit, pressure sensor
Pressure test device from dynamic test, improve the testing precision of measuring device, and reduce difficulty of test.
The technical solution of the utility model is described in detail with reference to specific embodiment.In order to better illustrate
The technical solution of the utility model, incorporated by reference to attached drawing 1, Fig. 1 is the pressure signal device work pressure that the utility model embodiment provides
The schematic diagram of the automatic test and experiment device of power.As shown in Figure 1, gas piping 6 is sequentially communicated air source 2, pressure regulating unit 3 and pressure
Force signal device 4, pressure regulating unit 3 adjust the gas pressure in gas piping 6 by the way that air source 2 is adjusted so that
The gas pressure reaches the opening pressure of pressure signal device 4 and is connected to pressure, logical when pressure signal device occurs to disconnect be connected to
Cross the pressure sensor 5 being connected with gas piping 6, respectively the opening pressure value of test pressure signal flag 4 be connected to pressure value,
And the pressure value is transferred to control unit 1.
The control signal that control unit 1 is sent to pressure regulating unit 3 is supplied to pressure signal for adjusting the air source 2
The gas pressure of device 4, the control signal can be boost pressure signal (increase the gas pressure in gas piping 6), can also subtract
Press signal (reduce the gas pressure in gas piping 6).The pressure signal device 4 being arranged in gas piping 6 is in above-mentioned gas
When gas pressure meets disconnection and/or connection condition in pipeline 6, disconnection, communications signals are sent out to control unit 1, specifically,
Pressure signal device 4 will be switched off, communications signals are sent in the control display unit 11 of control unit 1.It is sent out in pressure signal device
It disconnects, after communications signals, the pressure in gas piping 6 when pressure signal device 4 being disconnected and/or is connected to by pressure sensor 5
Force signal is converted into electric signal and is sent to above-mentioned control unit 1, and control unit 1 records above electrical signal corresponding pressure value.
With continued reference to attached drawing 1, as preferred embodiment, control unit 1 further comprises：It control display unit 11 and adopts
Collect unit 12, control display unit 11 is receiving the startup test for receiving test starting command input by user
After instruction, control display unit 11 sends out boost pressure signal to the compress cell 31 of pressure regulating unit 3, increases air source 2 to gas
Gas pressure in pipeline 6, until pressure reaches the opening pressure of pressure signal device 4 in gas piping 6.At this point, pressure signal
Device 4 sends out cut-off signal to control display unit 11, and control display unit 11 controls compress cell 31 and stops supercharging (2 quilt of air source
Close), and store instruction is sent out to collecting unit 12, when receiving above-mentioned store instruction, storage comes from collecting unit 12
Above electrical signal is converted into corresponding pressure value and stored by the electric signal of pressure sensor 5, and above-mentioned pressure value is sent
To control display unit 11, control display unit 11 shows above-mentioned pressure value.Above-mentioned pressure value is that pressure signal device 4 occurs
Opening pressure value when disconnection.
After collecting unit 12 completes storage, control display unit 11 is sent out to the decompressing unit 32 of pressure regulating unit 3 to be subtracted
Signal is pressed, the gas in gas piping 6 is discharged by decompressing unit 32, realizes decompression, the pressure in gas piping 6 reduces straight
To the connection pressure for meeting pressure signal device 4, pressure signal device 4 sends out communications signals to control display unit 11 at this time, controls
Display unit 11 is based on above-mentioned communications signals control decompressing unit 31 and stops decompression, stops the exhaust event in gas piping 6, and
And prepare to carry out and open the operation that air source 2 is pressurized gas piping 2 next time, to carry out next time to pressure signal device 4
Turn off the test of pressure
In the present embodiment, the compress cell 31 includes：Boost electromagnetic valve (not shown) and supercharging throttle orifice (not shown),
For being opened when control display unit 11 sends out boost pressure signal, the air-flow of air source 2 throttles the boost electromagnetic valve by supercharging
Gas pressure in gas piping 6 is adjusted in hole and boost electromagnetic valve, and the gas in gas piping 6 reaches pressure signal device 4
And pressure sensor 5, pressure sensor 5 acquires gas pressure in gas piping 6 in real time, and is sent to collecting unit 12, on
Boost electromagnetic valve is stated for carrying out closing the boost electromagnetic valve when receiving the shutdown signal of control display unit 11.
The decompressing unit 32 includes：Vacuum solenoid valve (not shown) and the realization (not shown) of decompression throttle orifice, it is described to subtract
Pressure electromagnetic valve when control display unit 11 sends out depression signal for opening, and the gas in gas piping 6 is by depressurizing electromagnetism
Valve, decompression throttle orifice discharge, realize that gas piping 6 depressurizes, the gas pressure in the real-time acquisition gas piping 6 of pressure sensor 5,
And it is sent to collecting unit 12, above-mentioned vacuum solenoid valve when receiving the opening signal of control display unit 11 for being beaten
Open the vacuum solenoid valve.
Above-mentioned supercharging throttle orifice and decompression throttle orifice are adjustable orifice, and the pore size of above-mentioned adjustable orifice increases for adjusting
Press supercharging, the decompression rate of unit 31 and decompressing unit 32.
To sum up, the automatic test and experiment device of pressure signal device operating pressure provided by the utility model, utilizes air source, pressure
The cooperation for adjusting unit, pressure sensor and control unit, tests pressure signal device operating pressure automatically, which surveys
Examination experimental provision can test pressure signal device operating pressure automatically, effectively reduce the behaviour of the test job of pressure signal device
Make difficulty, improves testing efficiency.
Therefore, only as the technical concepts and features for illustrating the utility model, its object is to allow for above-mentioned preferred embodiment
The content of the utility model can be understood and according to having been carried out, can not and limit the guarantor of the present invention by being familiar with the understanding of technique
Protect range.It is all according to equivalent transformation or modification made by the spirit of the present invention essence, should all cover the guarantor in the utility model
Within the scope of shield.
Claims (5)
1. a kind of automatic test and experiment device of pressure signal device operating pressure, including air source, pressure regulating unit, pressure sensing
Device, pressure signal device and control unit, which is characterized in that the control that the pressure regulating unit is sent out according to described control unit
Air source described in Signal Regulation is supplied to the gas pressure of the pressure signal device, pressure signal device to meet in the gas pressure disconnected
When opening and/or being connected to condition, disconnection, communications signals are sent out to described control unit, the pressure sensor is by pressure signal device
Pressure signal when disconnecting and/or being connected to is converted into electric signal and is sent to described control unit, and described control unit records telecommunications
Number corresponding pressure value.
2. the automatic test and experiment device of pressure signal device operating pressure as described in claim 1, which is characterized in that the control
Unit includes：Control display unit and collecting unit, the control display unit are used to send to the pressure regulating unit and control
Signal processed, the control signal includes boost pressure signal and depression signal, and the boost pressure signal and depression signal are respectively used to control
The pressure regulating unit is pressurized and is depressurized to the output gas pressure of air source, and the control display unit is additionally operable to pressing
When force signal device sends disconnection, communications signals to described control unit, store instruction is sent out to the collecting unit；The control
Display unit is additionally operable to will be switched off pressure to be shown with pressure is connected to, and the collecting unit is for receiving the store instruction
When, the electric signal from pressure sensor is stored, and the electric signal is converted into corresponding opening pressure value and/or connection pressure
Force value is stored.
3. the automatic test and experiment device of pressure signal device operating pressure as described in claim 1, which is characterized in that further include：
Gas piping, for being connected to the air source and pressure signal device, the pressure regulating unit is arranged in gas piping, including：
Compress cell and decompressing unit, the compress cell based on boost pressure signal for opening air source to increase the flue
The gas pressure of road and pressure signal device is until the pressure signal device sends out cut-off signal；The decompressing unit is used to be based on to subtract
Pressure signal reduces the gas pressure of the gas piping and pressure signal device until the pressure signal device sends out communications signals.
4. the automatic test and experiment device of pressure signal device operating pressure as claimed in claim 3, which is characterized in that the supercharging
Unit includes：Boost electromagnetic valve and supercharging throttle orifice, the boost electromagnetic valve are used for based on the boost pressure signal from control unit
It opens, air-flow reaches pressure signal device and pressure sensor from air source by supercharging throttle orifice, boost electromagnetic valve, until pressure
Signalling means sends out cut-off signal, and pressure sensor acquires gas pressure in gas piping in real time, and is sent to described control unit,
Shutdown signal of the boost electromagnetic valve based on described control unit is closed；
The decompressing unit includes：Vacuum solenoid valve and decompression throttle orifice, the vacuum solenoid valve are used for based on single from control
The depression signal of member is opened, and the gas in gas piping realizes that gas piping subtracts by vacuum solenoid valve, decompression throttle orifice discharge
Pressure, until pressure signal device is connected to, pressure sensor acquires the gas pressure in gas piping in real time, and is sent to the control
Unit, shutdown signal of the vacuum solenoid valve based on described control unit are closed.
5. the automatic test and experiment device of pressure signal device operating pressure as claimed in claim 4, it is characterised in that the supercharging
Throttle orifice and decompression throttle orifice are adjustable orifice, and the pore size of the adjustable orifice is for adjusting the compress cell and decompression
The supercharging of unit, decompression rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691836.6U CN207866422U (en) | 2017-12-07 | 2017-12-07 | A kind of automatic test and experiment device of pressure signal device operating pressure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721691836.6U CN207866422U (en) | 2017-12-07 | 2017-12-07 | A kind of automatic test and experiment device of pressure signal device operating pressure |
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| Publication Number | Publication Date |
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| CN207866422U true CN207866422U (en) | 2018-09-14 |
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| CN201721691836.6U Active CN207866422U (en) | 2017-12-07 | 2017-12-07 | A kind of automatic test and experiment device of pressure signal device operating pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413027A (en) * | 2020-04-22 | 2020-07-14 | 太原航空仪表有限公司 | Accelerated degradation test method for pressure annunciator |
-
2017
- 2017-12-07 CN CN201721691836.6U patent/CN207866422U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111413027A (en) * | 2020-04-22 | 2020-07-14 | 太原航空仪表有限公司 | Accelerated degradation test method for pressure annunciator |
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