CN208902403U - A kind of pneumatic operated valve detection system - Google Patents
A kind of pneumatic operated valve detection system Download PDFInfo
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- CN208902403U CN208902403U CN201821396309.7U CN201821396309U CN208902403U CN 208902403 U CN208902403 U CN 208902403U CN 201821396309 U CN201821396309 U CN 201821396309U CN 208902403 U CN208902403 U CN 208902403U
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Abstract
The utility model discloses a kind of pneumatic operated valve detection systems, comprising: pneumatic operated valve Detecting data, gas control equipment and PC machine；Pneumatic operated valve Detecting data is communicated to connect by gas control equipment and PC machine；Wherein, gas-detecting device and pneumatic operated valve to be checked are provided on pneumatic operated valve Detecting data；In gas-detecting device, gas source feed unit is connect by the first pipeline with first pressure sensor one end, and the other end of first pressure sensor is connect with by the second pipeline with one end of the first solenoid valve；The other end of first solenoid valve is connected by the first end of third pipeline and second solenoid valve；The second end of second solenoid valve is connect by the 4th pipeline with one end of second pressure sensor；And the third end of second solenoid valve is connect with exhaust end；The other end of second pressure sensor is connect by the 5th pipeline with the receiving end of pneumatic operated valve to be checked；The output end of pneumatic operated valve to be checked is connect with gas control equipment.
Description
Technical field
The utility model relates to infomation detection field, in particular to a kind of pneumatic operated valve detection system.
Background technique
A large amount of Subzero valve is used in military equipment and the cryogenic system equipment of civil field.Such as it is in oxygen supply
Gas oxygen, liquid oxygen transmission use a large amount of cryogenic globe valve on the oxygen pipeline of system, are one of important equipment of oxygen system, low temperature valve
Door pneumatic control includes two contents, one be how by the pneumatic cavity pressure of cylinder of low temperature valve come the opening and closing of control valve and
Rate is opened and closed, needs to be grasped the relationship between bleed pressure and output pressure to design the need for meeting various particular applications
It asks；Second is that suitable position switch how to be selected to carry out accurate feedback position signal, to grasp the aperture of Subzero valve.
Based on the technical problem present on, this application provides the technical solutions for solving the above technical problem.
Summary of the invention
The purpose of the utility model is to provide a kind of pneumatic operated valve detection systems, by the way that pneumatic operated valve Detecting data, gas is arranged
Body controls equipment and PC machine, constructs pneumatic operated valve detection system, achieves automatic running system, makes its degree of automation
Height is conducive to the reliability and safety of raising system.
The technical scheme that the utility model is provided is as follows:
A kind of pneumatic operated valve detection system, comprising: pneumatic operated valve Detecting data, gas control equipment and PC machine；The gas
Dynamic valve Detecting data is communicated to connect by the gas control equipment and the PC machine；Wherein, it detects and tries in the pneumatic operated valve
It tests on platform and is provided with gas-detecting device and pneumatic operated valve to be checked；In the gas-detecting device, gas source feed unit passes through
First pipeline is connect with first pressure sensor one end, the other end of first pressure sensor with it is electric by the second pipeline and first
One end of magnet valve connects；The other end of first solenoid valve is connected by the first end of third pipeline and second solenoid valve；Second electricity
The second end of magnet valve is connect by the 4th pipeline with one end of second pressure sensor；And the third end of second solenoid valve and exhaust
End connection；The other end of second pressure sensor is connect by the 5th pipeline with the receiving end of pneumatic operated valve to be checked；Pneumatic operated valve to be checked
Output end connect with the gas control equipment.
It is further preferred that the gas control equipment includes: digital signal processor, solenoid signal control circuit,
Pressure signal Acquisition Circuit, pneumatic valve controling circuit to be checked and information communication circuit；Digital signal processor respectively with electromagnetism
Valve signal control circuit, pressure signal Acquisition Circuit, pneumatic valve controling circuit to be checked and the connection of information communication circuit communication；
The information communication circuit and the PC machine communicate to connect.
It is further preferred that including: the solenoid signal control circuit difference being arranged in the gas control equipment
It is communicated to connect with first solenoid valve being arranged on the pneumatic operated valve Detecting data and the second solenoid valve.
It is further preferred that include: the pressure signal Acquisition Circuit that is arranged in the gas control equipment respectively with
The first pressure sensor being arranged on the pneumatic operated valve Detecting data and second pressure sensor communication connection.
It is further preferred that including: to be switched including first close to switch and second are close in the pneumatic operated valve to be checked；Institute
The pneumatic valve controling circuit to be checked being arranged in gas control equipment is stated to approach with described first close to switch and described second respectively
Switch Communication connection.
It is further preferred that the gas control equipment further include: isolator；The isolator setting is in the number letter
Number between processor and the information communication circuit.
It is further preferred that further include: alarm；The alarm control being arranged in the alarm and the gas control equipment
Circuit communication connection processed.
A kind of pneumatic operated valve detection system provided by the utility model, has the beneficial effect that:
1, the utility model is constructed pneumatic by setting pneumatic operated valve Detecting data, gas control equipment and PC machine
Valve detection system achieves automatic running system, makes its high degree of automation, is conducive to the reliability and safety of raising system
Property.
2, the utility model solves test and the test problem of low temperature pneumatic operated valve performance data, is low temperature pneumatic operated valve
Type selecting, design and raising use reliability provide data supporting.
3, the utility model, communication module and PC machine are used for human-computer dialogue, and communication module and digital signal processor carry out
Isolation, to improve the interference free performance of control equipment.
4, the utility model, after completing correlation test parameter setting, experimental bench system is by setting operating condition automatic running, entirely
Process is on duty without manpower participation, greatly reduces the labor intensity of testing crew, reduces experimentation cost.
Detailed description of the invention
Below by clearly understandable mode, preferred embodiment is described with reference to the drawings, to a kind of pneumatic operated valve detection system
Above-mentioned characteristic, technical characteristic, advantage and its implementation be further described.
Fig. 1 is a kind of structure chart of pneumatic operated valve detection system one embodiment of the utility model；
Fig. 2 is a kind of structure chart of another embodiment of pneumatic operated valve detection system of the utility model.
Specific embodiment
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, attached drawing will be compareed below
Illustrate specific embodiment of the present utility model.It should be evident that the accompanying drawings in the following description is only the one of the utility model
A little embodiments for those of ordinary skill in the art without creative efforts, can also be according to these
Attached drawing obtains other attached drawings, and obtains other embodiments.
To make simplified form, part relevant to the utility model is only schematically shown in each figure, they are simultaneously
Its practical structures as product is not represented.
This application provides a kind of pneumatic operated valve detection systems, comprising: pneumatic operated valve Detecting data 100, gas control equipment
The composition such as 200 and PC machine 300, pneumatic operated valve Detecting data 100 are communicated to connect by gas control equipment 200 and PC machine 300；
Wherein, gas-detecting device 400 and pneumatic operated valve to be checked 160 are provided on pneumatic operated valve Detecting data 100；It is examined in gas
It surveys in device, gas source feed unit is connect by the first pipeline with 122 one end of first pressure sensor, first pressure sensor
122 other end is connect by the second pipeline with one end of the first solenoid valve；The other end of first solenoid valve passes through third pipeline
It is connect with the first end of second solenoid valve 132；The second end of second solenoid valve 132 passes through the 4th pipeline and second pressure sensor
122 one end connection；And the third end of second solenoid valve 132 is connect with exhaust end；The other end of second pressure sensor 122 is logical
The 5th pipeline is crossed to connect with the receiving end of pneumatic operated valve to be checked；The output end of pneumatic operated valve to be checked is connect with gas control equipment 200.
Specifically, in the embodiments of the present invention, first pressure sensor 122, for measuring the first pipeline and the
Gas pressure in two pipelines；Whether the first solenoid valve, the gas for controlling in the second pipeline and third pipeline communicate；Second electricity
Magnet valve 132 is triple valve, for controlling the gas on-off in the 4th pipeline, the 6th pipeline and third pipeline；Second pressure sensing
Device 122, for measuring gas pressure in the 4th pipeline and the 5th pipeline；By to pneumatic operated valve air inlet to be checked and bleeding, inspection
The working condition of the pneumatic operated valve to be checked is surveyed, and then the pneumatic operated valve to be checked is gone out by the realization of the pneumatic operated valve detection system of the application
Factory's detection.By the input of PC machine 300 to the detection parameters of pneumatic operated valve to be checked, then by the realization of gas control equipment 200 to pneumatic
The control of 100 parameters of valve Detecting data, and the detection of pneumatic operated valve to be checked is further received by gas control equipment 200
Parameter realizes the pre-delivery inspection to pneumatic operated valve to be checked.
In this application, pass through setting pneumatic operated valve Detecting data 100, gas control equipment 200 and PC machine 300, structure
Pneumatic operated valve detection system has been built, automatic running system is achieved, has made its high degree of automation, has been conducive to the reliable of raising system
Property and safety.
Present invention also provides one embodiment；Gas control equipment 200 includes: digital signal processor 210, solenoid valve
Signal control circuit 230, pressure signal Acquisition Circuit 220, pneumatic valve controling circuit 260 to be checked and information communication circuit
250；Digital signal processor respectively with solenoid signal control circuit 230, pressure signal Acquisition Circuit 220, pneumatic operated valve to be checked
Control circuit 260 and information communication circuit 250 communicate to connect；Information communication circuit 250 and PC machine 300 communicate to connect.
Preferably, the solenoid signal control circuit 230 being arranged in gas control equipment 200 detects with pneumatic operated valve try respectively
It tests the first solenoid valve 131 being arranged on platform 100 and second solenoid valve 132 communicates to connect.
Preferably, comprising: the pressure signal Acquisition Circuit 220 being arranged in gas control equipment 200 is examined with pneumatic operated valve respectively
It surveys the first pressure sensor 122 being arranged on testing stand 100 and second pressure sensor 122 communicates to connect.
Preferably, comprising: include the first close switch and the second close switch in pneumatic operated valve to be checked；Gas control equipment
The pneumatic valve controling circuit 260 to be checked being arranged in 200 is connect close to switch and second close to Switch Communication with first respectively.
Preferably, the gas control equipment 200 further include: isolator 240；Isolator 240 is arranged at digital signal
It manages between device and information communication circuit 250.
Isolator 240 may generally be optical coupling isolator for analog signal and digital signal to be isolated.
Preferably, further includes: alarm 170；The controlling alarm electricity being arranged in alarm 170 and gas control equipment 200
Road 270 communicates to connect.The alarm 170 also can may include color of light alarm with sound-light alarm.
Specifically, the course of work of the gas control equipment 200 of the application are as follows: digital signal processor may include monolithic
Machine, DSP, ARM etc. meet the control chip of the performance parameter of the application；Multiple detections are provided in gas control equipment 200
Circuit；Collected gas pressure signal is handled by pressure signal Acquisition Circuit 220, and is transmitted at data-signal
It manages in device；Judge whether the gas pressure of gas source feed unit meets preset requirement by calculating, digital signal processor is simultaneously
Control command is issued to solenoid signal control circuit 230, control the first solenoid valve 131 and second solenoid valve 132 open with
Shutdown, and it is responsible for alarm and communication function；
First solenoid valve 131 is normally closed cut-off valve, and when testing stand power loss or control equipment does not issue the first solenoid valve 131
Action command, the first solenoid valve 131 are in closed state, and the second pipeline is not communicated with third pipeline, and second pressure senses at this time
122 pressure signal of device is zero, and there is no open for the gas circuit of the application；
When detecting the cylinder intake in pneumatic operated valve to be checked；Digital signal processor passes through solenoid signal control circuit
230 issue 131 action commands of the first solenoid valve after, the first solenoid valve 131 is in the open state, at this point, pneumatic operated valve to be checked be into
Gaseity；Source gas enters third pipeline, and digital signal processor issues the second electricity by solenoid signal control circuit 230
The action command of magnet valve 132 keeps third pipeline and the 4th pipeline in the conductive state；Since second solenoid valve 132 is two three
Three-way electromagnetic valve；Second pressure sensor 122 acquires pressure signal at this time；It then enters in the cylinder of pneumatic operated valve to be checked, number letter
Number processor starts timing, and first should be in the first stipulated time output switching signal, and via pneumatic operated valve control to be checked close to switch
Identified after circuit 260 processed by digital signal processor, judge enter cylinder in gas whether in the range of setting, if
Preset air inflow is not reached in the time range of setting, then digital signal processor exports alarm command, via alarm
270 alert of control circuit to alarm carries out sound-light alarm.
When detecting the cylinder exhaust in pneumatic operated valve to be checked；Digital signal processor passes through solenoid signal control circuit
After 230 issue 131 out code of the first solenoid valve, the first solenoid valve 131 is in close state；Digital signal processor passes through electricity
Magnet valve signal control circuit 230 issues the action command of second solenoid valve 132, and third pipeline and the four or five pipeline are obstructed at this time,
4th pipeline is communicated with the 6th pipeline；Now at exhaust condition, digital signal processor starts timing, and second answers close to switch
It is identified after the second stipulated time output switching signal is via pneumatic valve controling circuit 260 to be checked by digital signal processor, such as
Not within the scope of setting time, then digital signal processor exports alarm command, drives alarm via alarm control circuit 270
Carry out sound-light alarm.
In this application, a kind of one embodiment for controlling pneumatic operated valve detection system is provided；
Step S100: the parameter setting of system is carried out by PC machine 300；
PC machine 300 is used for human-computer dialogue, and PC machine 300 uses configuration software, is provided with the first solenoid valve 131 and the second electromagnetism
132 operation button of valve starts, suspends and reset button, can show bleed pressure numerical value, pneumatic operated valve to be checked cylinder numerical value, be
Cycle-index of uniting and accumulation cycle number configure warning message table.Bleed pressure range, pneumatic can be set by PC machine 300
The pressure holding time for detecting pneumatic operated valve to be checked and row can also be arranged in valve cylinder intake pressure limit and system circulation number
The empty waiting time passes through the write-in digital signal processor of information communication circuit 250 after determining；When digital signal processor determines system
When system breaks down abnormal, communicated by information communication circuit 250 and PC machine 300, corresponding fault code in PC machine
It is shown on 300.
Step S200: start button in control PC machine 300, digital signal processor determine whether bleed pressure is setting first
Determine in range, if not carrying out sound-light alarm in the range of setting, gas source is reminded to transfinite.
If execute step S300: digital signal processor passes through solenoid signal control circuit in the range of setting
230 the first solenoid valves 131 of driving, are allowed in the open state, while digital signal processor controls electricity by solenoid signal
Road 230 drives second solenoid valve 132, is allowed in state is not turned on, third pipeline is communicated with the 4th pipeline, pneumatic operated valve to be checked
Cylinder is in air-suction state, and gas enters the cylinder of pneumatic operated valve to be checked at this time, when 122 measuring pressures of second pressure sensor reach
When the cylinder intake pressure limit setting value of pneumatic operated valve to be checked, digital signal processor passes through solenoid signal control circuit 230
The first solenoid valve 131 is driven, is allowed in closed state, second solenoid valve 132 keeps original state, and digital signal processor starts to count
When, when timing time reaches the pneumatic operated valve pressure holding time to be checked, digital signal processor controls electricity by solenoid signal
Road 230 drives second solenoid valve 132, is allowed in the open state, the 4th pipeline is communicated with the 6th pipeline, the gas of pneumatic operated valve to be checked
Cylinder is in exhaust condition, when the cylinder exhaust pressure limit that 122 measuring pressures of second pressure sensor reach pneumatic operated valve to be checked is set
When definite value, digital signal processor starts timing, and digital signal processor system current cycle time adds one, when timing time reaches
The waiting time is emptied to pneumatic operated valve pressure to be checked, the first solenoid valve of DSP CONTROL 131 starts air inlet, so anti-
Multiple, until system current cycle time reaches setting value, progress sound-light alarm reminds cycle-index to arrive, and test is completed.
Additionally include: 300 pause button of PC machine can work any time, and the pause button of PC machine 300 is pressed, then
First solenoid valve 131 closure, second solenoid valve 132 are opened, and the 4th pipeline and the 6th pipeline communicate, and pneumatic operated valve to be checked is in exhaust
State；300 start button of PC machine must can just work after reset button is pressed, and reset button in pause button by must press
It can just work after lower.In test, the effect of 300 reset button of PC machine is to remove current alarm.At the cylinder of pneumatic operated valve to be checked
When air-suction state, digital signal processor must be detected at the appointed time first close to switch output signal, otherwise into
Row alarm；When the cylinder of pneumatic operated valve to be checked is in exhaust condition, digital signal processor must detect at the appointed time
Two, close to switch output signal, otherwise alarm.When the cylinder of pneumatic operated valve to be checked is in air-suction state, digital signal processor
It must detect that second pressure sensor 122 reaches specified value, otherwise alarms at the appointed time.When cycle-index reaches
Setting value or when having alarm, digital signal processor drives the first solenoid valve 131 to be in by solenoid signal control circuit 230
Closed state, while keeping the second electromagnetism in the open state, until 300 reset button of PC machine is pressed, otherwise low temperature valve cylinder one
Directly it is in exhaust condition.
It should be noted that above-described embodiment can be freely combined as needed.The above is only the utility model
Preferred embodiment, it is noted that for those skilled in the art, do not departing from the utility model principle
Under the premise of, several improvements and modifications can also be made, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (7)
1. a kind of pneumatic operated valve detection system, comprising: pneumatic operated valve Detecting data, gas control equipment and PC machine；Its feature exists
In,
The pneumatic operated valve Detecting data is communicated to connect by the gas control equipment and the PC machine；
Wherein, gas-detecting device and pneumatic operated valve to be checked are provided on the pneumatic operated valve Detecting data；
In the gas-detecting device, gas source feed unit is connect by the first pipeline with first pressure sensor one end, the
The other end of one pressure sensor is connect with by the second pipeline with one end of the first solenoid valve；The other end of first solenoid valve is logical
The first end for crossing third pipeline and second solenoid valve connects；The second end of second solenoid valve is passed by the 4th pipeline and second pressure
One end of sensor connects；And the third end of second solenoid valve is connect with exhaust end；The other end of second pressure sensor passes through the
Five pipelines are connect with the receiving end of pneumatic operated valve to be checked；The output end of pneumatic operated valve to be checked is connect with the gas control equipment.
2. a kind of pneumatic operated valve detection system as described in claim 1, which is characterized in that the gas control equipment includes: number
Word signal processor, solenoid signal control circuit, pressure signal Acquisition Circuit, pneumatic valve controling circuit to be checked and information
Communicating circuit；
Digital signal processor is electric with solenoid signal control circuit, pressure signal Acquisition Circuit, pneumatic operated valve to be checked control respectively
Road and the connection of information communication circuit communication；
The information communication circuit and the PC machine communicate to connect.
3. a kind of pneumatic operated valve detection system as claimed in claim 2 characterized by comprising
The solenoid signal control circuit being arranged in the gas control equipment respectively with the pneumatic operated valve Detecting data
First solenoid valve of upper setting and second solenoid valve communication connection.
4. a kind of pneumatic operated valve detection system as claimed in claim 2 characterized by comprising
The pressure signal Acquisition Circuit being arranged in the gas control equipment is respectively and on the pneumatic operated valve Detecting data
The first pressure sensor of setting and second pressure sensor communication connection.
5. a kind of pneumatic operated valve detection system as claimed in claim 2 characterized by comprising in the pneumatic operated valve to be checked
It is switched including first close to switch and second are close；
The pneumatic valve controling circuit to be checked being arranged in the gas control equipment is respectively with described first close to switch and described the
Two connect close to Switch Communication.
6. a kind of pneumatic operated valve detection system as claimed in claim 2, which is characterized in that the gas control equipment further include:
Isolator；
The isolator is arranged between the digital signal processor and the information communication circuit.
7. a kind of pneumatic operated valve detection system as claimed in claim 2, which is characterized in that further include: alarm；The alarm
It is communicated to connect with the alarm control circuit being arranged in the gas control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396309.7U CN208902403U (en) | 2018-08-28 | 2018-08-28 | A kind of pneumatic operated valve detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821396309.7U CN208902403U (en) | 2018-08-28 | 2018-08-28 | A kind of pneumatic operated valve detection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208902403U true CN208902403U (en) | 2019-05-24 |
Family
ID=66570607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821396309.7U Active CN208902403U (en) | 2018-08-28 | 2018-08-28 | A kind of pneumatic operated valve detection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208902403U (en) |
-
2018
- 2018-08-28 CN CN201821396309.7U patent/CN208902403U/en active Active
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