CN208985016U - A kind of touch screen type fluid constant DP control system - Google Patents
A kind of touch screen type fluid constant DP control system Download PDFInfo
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- CN208985016U CN208985016U CN201821797674.9U CN201821797674U CN208985016U CN 208985016 U CN208985016 U CN 208985016U CN 201821797674 U CN201821797674 U CN 201821797674U CN 208985016 U CN208985016 U CN 208985016U
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Abstract
The utility model relates to fluid constant DP control technical fields, a kind of touch screen type fluid constant DP control system is provided, including fluid air-channel system and electric-control system, fluid air-channel system includes gas source, main road gas circuit, auxiliary air passage and several gas-charging connections, main road gas circuit one end is connected to gas source, the other end is connected to several gas-charging connections, bypass gas circuit of the auxiliary air passage as main road gas circuit, and main road gas circuit is equipped at least one pressure sensor for being used to measure the pressure of gas circuit main road；Electric-control system includes PLC, Analog input mModule, touch display screen and power supply, Analog input mModule, touch display screen are connect with PLC respectively, power supply is connect with PLC, Analog input mModule, touch display screen, to realize some touch target spontaneous output function of multiple target pressure, automatic filling and the detection for realizing fluid control output, provide convenience for system operators.
Description
Technical field
The utility model relates to fluid constant DP control technical field, specially a kind of touch screen type fluid constant DP control system.
Background technique
In systems such as aircraft landing gear system, hydraulic system, environmental control system, fire extinguishing system, fuel system, oil systems
In the debugging process of ground, fluid control systems are widely used, and fluid control systems are generally by fluid source, power source (pump), safety
Valve, control valve, output target composition.When carrying out multiple target fluid control systems, output is adjusted one by one using manual pressure regulating valve
Goal pressure is exported, or the pressure output requirement of different output targets is realized using multiple constant pressure valves.
Currently, system operatio is cumbersome when controlling multiple target fluids, control unit is more, the degree of automation is low, into
One step causes fluid constant DP control inaccurate.
Utility model content
In order to overcome the defect of the prior art as indicated above, the utility model people has made intensive studies this,
After having paid a large amount of creative works, so as to complete the utility model.
Specifically, the technical problem to be solved by the utility model is to provide a kind of touch screen type fluid constant DP control systems
System, it is intended to which when solution in the prior art controls multiple target fluids, system operatio is cumbersome, control unit is more, automation
Degree is low, further results in the technical problem of fluid constant DP control inaccuracy.
In order to solve the above technical problems, the technical solution of the utility model is:
A kind of touch screen type fluid constant DP control system, including fluid air-channel system and electric-control system, in which:
The fluid air-channel system includes gas source, main road gas circuit, auxiliary air passage and several gas-charging connections, the main road gas
Road one end is connected to the gas source, and the other end is connected to gas-charging connection described in several, and the auxiliary air passage is as the main road
The bypass gas circuit of gas circuit, the main road gas circuit are equipped at least one pressure for being used to measure the pressure of the gas circuit main road
Force snesor；
The electric-control system includes PLC, Analog input mModule, touch display screen and power supply, the analog quantity
Input module, touch display screen are connect with the PLC respectively, the power supply and the PLC, Analog input mModule, touching
Touch display screen connection.
As an improvement scheme, the main road gas circuit is equipped with filter and the first pressure regulator, and the filter sets
The nearly gas source setting is rested against, the downstream of the filter is arranged in first pressure regulator.
As an improvement scheme, the downstream of first pressure regulator is equipped with solenoid valve DC1；
A triple valve is equipped on per the corresponding gas circuit of the gas-charging connection described all the way.
As an improvement scheme, the auxiliary air passage includes being located at the filter and described in the main road gas circuit
Position is equipped with the first gas circuit node between first pressure regulator, and setting second is adjusted on the branch air path that the first gas circuit node is drawn
Depressor and electronic pressure controller；
The electronic pressure controller is arranged in the downstream of second pressure regulator, the end of the auxiliary air passage with it is described
The connection of second pressure regulator.
As an improvement scheme, the downstream gas circuit of the voltage stress controller is equipped with solenoid valve DC4.
As an improvement scheme, the downstream of the solenoid valve DC1 is equipped with the second gas circuit node, the second gas circuit section
The branch air path that point is drawn forms pressure release gas circuit；
The pressure release gas circuit is equipped with from the second gas circuit node and flows to pressure release gas circuit end direction check valve, solenoid valve
DC3 and solenoid valve DC6, the solenoid valve DC6 guide pressure release gas circuit end into.
As an improvement scheme, the pressure sensor includes first pressure sensor and second pressure sensor,
The downstream of the second gas circuit node is arranged in the first pressure sensor；
The first pressure sensor and second pressure sensor are connect with the Analog input mModule respectively.
As an improvement scheme, the main road gas circuit be arranged the first pressure sensor downstream be equipped with third gas
Circuit node, the branch air path that the third gas circuit node is drawn are equipped with the solenoid valve DC2 and solenoid valve DC5 of concatenation, the electricity
Branch air path between magnet valve DC2 and solenoid valve DC5 is equipped with the second pressure sensor.
As an improvement scheme, the PLC be equipped with wiring point 1M, wiring point 1L+, wiring point 0.0, wiring point 0.1,
Wiring point 0.3, wiring point 0.5, wiring point M and wiring point L+；
The positive terminal of route and power supply that the wiring point L+ is drawn connects, and the wiring point 1M and wiring point M draw
Route out is connect with the negative pole end of the power supply, the line that the wiring point 0.0, wiring point 0.1, wiring point 0.3 are drawn
Road is connect after concatenating relay K1, relay K2 and relay K3 respectively with the power supply negative pole end；
The first current node, the second current node, third electricity are successively arranged on the route of the positive terminal of the power supply
Node and the 4th current node are flowed, the 5th current node, the are successively arranged on the route that the negative pole end of the power supply is drawn
Six current nodes, the 7th current node, the 8th current node, the 9th current node, the tenth current node and the 11st electric current section
Point；
After the route concatenation relay K1-1 and solenoid valve DC4 that first current node is drawn with the 5th electric current section
Point connection, after the route concatenation relay K2-1 and solenoid valve DC3 that second current node is drawn with the 8th electric current section
Point connection, after the route concatenation relay K3-1 and solenoid valve DC2 that the third current node is drawn with the 9th circuit section
Point connection, the circuit that the 4th current node is drawn are connect after concatenating touch display screen with the 11st current node；
Route between first current node and the relay K1-1 is equipped with the 12nd current node, and described the
It is connect after the route concatenation relay K4-1 and solenoid valve DC6 that two current nodes are drawn with the 6th current node；
Route between the relay K2-1 and the electromagnetism DC3 is equipped with the 13rd current node, and the described 13rd
It is connect after the route concatenation solenoid valve DC1 that current node is drawn with the 7th current node；
Route between the relay K3-1 and solenoid valve DC2 is equipped with the 14th current node, the 14th electricity
It is connect after the route concatenation solenoid valve DC5 that stream node is drawn with the tenth current node.
In the utility model embodiment, touch screen type fluid constant DP control system includes fluid air-channel system and automatically controlled system
System, fluid air-channel system include gas source, main road gas circuit, auxiliary air passage and several gas-charging connections, main road gas circuit one end and gas source
Connection, the other end are connected to several gas-charging connections, and bypass gas circuit of the auxiliary air passage as main road gas circuit, main road gas circuit is equipped with
At least one is used for the pressure sensor measured to the pressure of gas circuit main road；Electric-control system includes PLC, analog input mould
Block, touch display screen and power supply, Analog input mModule, touch display screen are connect with PLC respectively, power supply with
PLC, Analog input mModule, touch display screen connection, to realize some touch automatic output work of target of multiple target pressure
Can, it realizes automatic filling and the detection of fluid control output, provides convenience for system operators.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of touch screen type fluid constant DP control system provided by the utility model；
Fig. 2 is the gas circuit schematic diagram of touch screen type fluid constant DP control system provided by the utility model；
Fig. 3 is the schematic diagram of the electric-control system of touch screen type fluid constant DP control system provided by the utility model；
Fig. 4 is the interface schematic diagram of touch display screen provided by the utility model；
Wherein, 1- fluid air-channel system, 2- electric-control system, 3- gas-charging connection, 4- gas source, 5- main road gas circuit, 6- assist gas
Road, 7- first pressure sensor, 8- second pressure sensor, 9-PLC, 10- Analog input mModule, 11- touch display screen,
12- power supply, 13- filter, the first pressure regulator of 14-, 15- the first gas circuit node, the second pressure regulator of 16-, 17- electron pressure
Controller, 18- the second gas circuit node, 19- third gas circuit node, the first current node of 20-, the second current node of 21-, 22-
Three current nodes, the 4th current node of 23-, the 5th current node of 24-, the 6th current node of 25-, the 7th current node of 26-,
The 8th current node of 27-, the 9th current node of 28-, the tenth current node of 29-, the 11st current node of 30-, the 12nd electricity of 31-
Flow node, the 13rd current node of 32-, the 14th current node of 33-, 34- hose reel.
Specific embodiment
Below with reference to specific embodiment, the present invention will be further described.But the purposes of these exemplary embodiments
Only it is used to enumerate the utility model with purpose, any type of any limit not is constituted to the real protection scope of the utility model
It is fixed, it is more non-that the protection scope of the utility model is confined to this.
Fig. 1 shows the structural schematic diagram of touch screen type fluid constant DP control system provided by the utility model, for the ease of
Illustrate, part relevant to the utility model embodiment is only gived in figure.
Touch screen type fluid constant DP control system includes fluid air-channel system 1 and electric-control system 2, in which:
The fluid air-channel system 1 includes gas source 4, main road gas circuit 5, auxiliary air passage 6 and several gas-charging connections 3, described
5 one end of main road gas circuit is connected to the gas source 4, and the other end is connected to gas-charging connection 3 described in several, and the auxiliary air passage 6 is made
For the bypass gas circuit of the main road gas circuit 5, the main road gas circuit 5 is equipped at least one and is used for the pressure to the gas circuit main road
The pressure sensor measured；
The electric-control system 2 includes PLC9, Analog input mModule 10, touch display screen 11 and power supply 12, institute
State Analog input mModule 10, touch display screen 11 is connect with the PLC9 respectively, the power supply 12 and the PLC9, mould
Analog quantity input module 10, touch display screen 11 connect.
Wherein, as shown in connection with fig. 2, the main road gas circuit 5 is equipped with filter 13 and the first pressure regulator 14, the filter
13, which are arranged close to the gas source 4, is arranged, and the downstream of the filter 13 is arranged in first pressure regulator 14；
The downstream of first pressure regulator 14 is equipped with solenoid valve DC1；
A triple valve is equipped on per the corresponding gas circuit of the gas-charging connection 3 all the way.
As shown in connection with fig. 2, the auxiliary air passage 6 includes being located at the filter 13 and described the in the main road gas circuit 5
Position is equipped with the first gas circuit node 15 between one pressure regulator 14, and the is arranged on the branch air path that the first gas circuit node 15 is drawn
Two pressure regulators 16 and electronic pressure controller 17；
The downstream of second pressure regulator 16, the end of the auxiliary air passage 6 is arranged in the electronic pressure controller 17
It is connected to second pressure regulator 16.
In this embodiment, above-mentioned electronic pressure controller 17 is to realize to be restarted automatically one of significant components of function, should
Electronic pressure controller 17 is the PID controller based on microprocessor, and exact algorithm pressure control can be provided for broad range of applications
System；
Wherein, the electronic pressure controller 17 is in the touch screen type fluid constant DP control system, to the first pressure regulator 14 into
The accurate control of row, it is ensured that 5 air pressure of main road gas circuit accurately reaches preset range, and when carrying out goal pressure pressurization, is assisting
Gas circuit 6 directly accurately supplements pressure.
In the present invention, the control parameter of electronic pressure controller 17 can be set at the end PLC9, user
Without adjustment, if occurring the abnormal conditions such as pressure limit in gas replenishment process, it can be used corresponding detection program to electronics pressure
Force controller 17 carries out the inspection and adjustment of working condition, and details are not described herein；
Above-mentioned second pressure regulator 16 is mainly used for being the inlet pressure for limiting electronic pressure controller 17, according to inflation target
Operating condition, set the first pressure regulator 14 pressure limit, hypertonia, which may cause system pressure, to transfinite, it is also possible to lead to electronics
Pressure controller 17 damages.Hypotony, which will lead to main road pressure, cannot accurately reach setting range；
First pressure regulator 14 is mainly used for main road pressure and is accurately controlled, which is pilot-operated type pressure
Pressure regulator accurately controls guide's air pressure according to setting value by electronic pressure controller 17, flows through solenoid valve DC4, reaches first and adjusts
14 guide's gas chamber of depressor, guide's gas chamber executing agency push piston, open main valve valve, and main road gas circuit 5 is connected；
Above-mentioned pressure sensor is mainly used for detecting the pressure of gas circuit, and collected pressure parameter is transferred to
PLC9 is compared for PLC9, the alert process if transfiniting；
Above-mentioned each solenoid valve carries out on-off control by PLC9, realizes that the on-off of each gas circuit and pressure such as defence jointly at the functions,
The selection of the solenoid valve can be configured according to actual demand, and details are not described herein.
In this embodiment, the effect of each solenoid valve and triple valve is to pass through correspondence provided by routine techniques
The pin of PLC9 realize signal and power supply control, details are not described herein.
Wherein, the main road gas circuit 5 being made of filter 13 and the first pressure regulator 14 is mainly realized with to 3 end of gas-charging connection
Fluid fills function automatically, and the auxiliary air passage 6 formed by the second pressure regulator 16 and electronic pressure controller 17, is mainly used for pair
First pressure regulator 14 is accurately controlled, and when main road gas circuit 5 reaches preset value, which is slowly pressurized to target
Pressure value.
In the present invention, the downstream of the solenoid valve DC1 is equipped with the second gas circuit node 18, the second gas circuit node
18 branch air paths drawn form pressure release gas circuit；
The pressure release gas circuit is equipped with from the second gas circuit node 18 and flows to pressure release gas circuit end direction check valve, electromagnetism
Valve DC3 and solenoid valve DC6, the solenoid valve DC6 guide pressure release gas circuit end into；
The mainly effect of the pressure release gas circuit is for discharging the pressure in pipeline gas circuit.
In the present invention, as shown in Fig. 2, pressure sensor includes first pressure sensor 7 and second pressure sensing
The downstream of the second gas circuit node 18 is arranged in device 8, the first pressure sensor 7；
The first pressure sensor 7 and second pressure sensor 8 are connect with the Analog input mModule 10 respectively；
The downstream that the first pressure sensor 7 is arranged in the main road gas circuit 5 is equipped with third gas circuit node 19, the third
The branch air path that gas circuit node 19 is drawn is equipped with the solenoid valve DC2 concatenated and solenoid valve DC5, the solenoid valve DC2 and electromagnetism
Branch air path between valve DC5 is equipped with the second pressure sensor 8.
The function of the pressure sensor is for example above-mentioned recorded, and details are not described herein.
In the present invention, as shown in figure 3, PLC9 is equipped with wiring point 1M, wiring point 1L+, wiring point 0.0, wiring point
0.1, wiring point 0.3, wiring point 0.5, wiring point M and wiring point L+；
The route that the wiring point L+ is drawn is connect with the positive terminal of power supply 12, the wiring point 1M and wiring point M
The route of extraction is connect with the negative pole end of the power supply 12, and the wiring point 0.0, wiring point 0.1, wiring point 0.3 are drawn
Route concatenate relay K1, relay K2 and relay K3 respectively after connect with 12 negative pole end of power supply；
Be successively arranged on the route of the positive terminal of the power supply 12 first current node 20, the second current node 21,
Third current node 22 and the 4th current node 23 are successively arranged the 5th on the route that the negative pole end of the power supply 12 is drawn
Current node 24, the 6th current node 25, the 7th current node 26, the 8th current node 27, the 28, the tenth electricity of the 9th current node
Flow node 29 and the 11st current node 30；
After the route concatenation relay K1-1 and solenoid valve DC4 that first current node 20 is drawn with the 5th electric current
Node 24 connects, with the described 8th after the route concatenation relay K2-1 and solenoid valve DC3 that second current node 21 is drawn
Current node 27 connects, after the route concatenation relay K3-1 and solenoid valve DC2 that the third current node 22 is drawn with it is described
9th circuit node connects, electric with the described 11st after the circuit concatenation touch display screen 11 that the 4th current node 23 is drawn
Node 30 is flowed to connect；
Route between first current node 20 and the relay K1-1 is equipped with the 12nd current node 31, institute
Connect after stating the route concatenation relay K4-1 and solenoid valve DC6 of the second current node 21 extraction with the 6th current node 25
It connects；
Route between the relay K2-1 and the electromagnetism DC3 is equipped with the 13rd current node 32, and the described tenth
It is connect after the route concatenation solenoid valve DC1 that three current nodes 32 are drawn with the 7th current node 26；
Route between the relay K3-1 and solenoid valve DC2 is equipped with the 14th current node 33, and the described 14th
It is connect after the route concatenation solenoid valve DC5 that current node 33 is drawn with the tenth current node 29.
It wherein, can also be comprising other components or soft copy, herein no longer in the electrical structure diagram shown in Fig. 3
It repeats.
In this step, which realizes the Digital Detecting of equipment, key inflation and writing function, realizes certainly
Dynamic registration and decompression function.
Wherein, which is the electronic device for touching and showing one, and specific display can be using such as
Effect shown in Fig. 4, it may be assumed that
It presses setting target touch screen fuel-tank pressurization, front tyre, main tire, preceding damper leg, host buffer pillar, stablize buffering
In device, pressure accumulation bottle when either switch, PLC9 program connects corresponding relay, opens or closes solenoid valve by relay, realizes
The on-off and pressure releasing of air-channel system.After the blowing pressure reaches setting value ten seconds, the blowing pressure is automatically recorded.Oil
When case is pressurized, initial gas walks main road, when pressure reaches pre-set value, switchs to bypass work automatically, until inflation terminates.Phase
Between, certain value is reduced hereinafter, restarting main road work, bypass are closed as pressure is fallen to.Security control setting pressure reach or
More than when, level pressure output do not work, protection filling target.
When supply gas pressure meets or exceeds alarming value, buzzer rings are alarmed 10 seconds, and system lock dies of original state,
Restore after re-powering.Every according to the form below setting pressure limit is alarmed: when there is pressure and reaching alarm pressure value, all electromagnetism
Valve powers off simultaneously, and system is released pressure by exhaust solenoid valve.
In the present invention, gas-charging connection 3 configures hose reel 34, for coiling delivery hose, when inflating operation, grabs
Firmly pull-out pressure output hose docks hose head with filling target outside, separates rear light drawing hose using finishing and filling target,
Hose takes in hose reel.
In the present invention, control different target is set on touch screen, using digital pressure sensor, electron pressure
Controller 17, touch screen realize some touch target spontaneous output function of multiple target pressure, realize the automatic of fluid control output
Filling output is detected and is recorded.It solves when carrying out multiple target fluid control systems, is adjusted one by one using manual pressure regulating valve defeated
Goal pressure is exported out, or the pressure output requirement of different output targets is realized using multiple constant pressure valves.System operatio
It is cumbersome, control unit is more, the low status of the degree of automation.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.
Claims (9)
1. a kind of touch screen type fluid constant DP control system, which is characterized in that including fluid air-channel system and electric-control system, in which:
The fluid air-channel system includes gas source, main road gas circuit, auxiliary air passage and several gas-charging connections, the main road gas circuit one
End is connected to the gas source, and the other end is connected to gas-charging connection described in several, and the auxiliary air passage is as the main road gas circuit
Bypass gas circuit, the main road gas circuit is equipped with pressure that at least one is used to measure the pressure of the gas circuit main road and passes
Sensor；
The electric-control system includes PLC, Analog input mModule, touch display screen and power supply, the analog input
Module, touch display screen are connect with the PLC respectively, and the power supply and the PLC, Analog input mModule, touch are shown
Display screen connection.
2. touch screen type fluid constant DP control system according to claim 1, which is characterized in that the main road gas circuit is equipped with
Filter and the first pressure regulator, the filter are arranged close to the gas source setting, and first pressure regulator is arranged in the mistake
The downstream of filter.
3. touch screen type fluid constant DP control system according to claim 2, which is characterized in that under first pressure regulator
Trip is equipped with solenoid valve DC1；
A triple valve is equipped on per the corresponding gas circuit of the gas-charging connection described all the way.
4. touch screen type fluid constant DP control system according to claim 3, which is characterized in that the auxiliary air passage includes institute
It states in main road gas circuit the position between the filter and first pressure regulator and is equipped with the first gas circuit node, first gas
The second pressure regulator and electronic pressure controller are set on the branch air path that circuit node is drawn；
The downstream of second pressure regulator, the end of the auxiliary air passage and described second is arranged in the electronic pressure controller
Pressure regulator connection.
5. touch screen type fluid constant DP control system according to claim 4, which is characterized in that the electronic pressure controller
Downstream gas circuit be equipped with solenoid valve DC4.
6. touch screen type fluid constant DP control system according to claim 5, which is characterized in that under the solenoid valve DC1
Trip is equipped with the second gas circuit node, and the branch air path that the second gas circuit node is drawn forms pressure release gas circuit；
The pressure release gas circuit is equipped with from the second gas circuit node and flows to pressure release gas circuit end direction check valve, solenoid valve DC3
And solenoid valve DC6, the solenoid valve DC6 guide pressure release gas circuit end into.
7. touch screen type fluid constant DP control system according to claim 6, which is characterized in that the pressure sensor includes
First pressure sensor and second pressure sensor, the first pressure sensor are arranged under the second gas circuit node
Trip；
The first pressure sensor and second pressure sensor are connect with the Analog input mModule respectively.
8. touch screen type fluid constant DP control system according to claim 7, which is characterized in that institute is arranged in the main road gas circuit
The downstream for stating first pressure sensor is equipped with third gas circuit node, and the branch air path that the third gas circuit node is drawn is equipped with string
The solenoid valve DC2 and solenoid valve DC5 connect, the branch air path between the solenoid valve DC2 and solenoid valve DC5 are equipped with described second
Pressure sensor.
9. touch screen type fluid constant DP control system according to claim 8, which is characterized in that the PLC is equipped with wiring point
1M, wiring point 1L+, wiring point 0.0, wiring point 0.1, wiring point 0.3, wiring point 0.5, wiring point M and wiring point L+；
What the positive terminal connection for the route and power supply that the wiring point L+ is drawn, the wiring point 1M and wiring point M were drawn
Route is connect with the negative pole end of the power supply, the route point that the wiring point 0.0, wiring point 0.1, wiring point 0.3 are drawn
It Chuan Jie not be connect after relay K1, relay K2 and relay K3 with the power supply negative pole end；
The first current node, the second current node, third electric current section are successively arranged on the route of the positive terminal of the power supply
It puts and is successively arranged the 5th current node, the 6th electricity on the route drawn with the 4th current node, the negative pole end of the power supply
Flow node, the 7th current node, the 8th current node, the 9th current node, the tenth current node and the 11st current node；
Connect after the route concatenation relay K1-1 and solenoid valve DC4 that first current node is drawn with the 5th current node
It connects, connects after the route concatenation relay K2-1 and solenoid valve DC3 that second current node is drawn with the 8th current node
It connects, connects after the route concatenation relay K3-1 and solenoid valve DC2 that the third current node is drawn with the 9th circuit node
It connects, is connect after the circuit concatenation touch display screen that the 4th current node is drawn with the 11st current node；
Route between first current node and the relay K1-1 is equipped with the 12nd current node, second electricity
It is connect after the route concatenation relay K4-1 and solenoid valve DC6 that stream node is drawn with the 6th current node；
Route between the relay K2-1 and the electromagnetism DC3 is equipped with the 13rd current node, the 13rd electric current
It is connect after the route concatenation solenoid valve DC1 that node is drawn with the 7th current node；
Route between the relay K3-1 and solenoid valve DC2 is equipped with the 14th current node, the 14th electric current section
It is connect after the route concatenation solenoid valve DC5 that point is drawn with the tenth current node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797674.9U CN208985016U (en) | 2018-11-01 | 2018-11-01 | A kind of touch screen type fluid constant DP control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821797674.9U CN208985016U (en) | 2018-11-01 | 2018-11-01 | A kind of touch screen type fluid constant DP control system |
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| Publication Number | Publication Date |
|---|---|
| CN208985016U true CN208985016U (en) | 2019-06-14 |
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ID=66790106
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| CN201821797674.9U Active CN208985016U (en) | 2018-11-01 | 2018-11-01 | A kind of touch screen type fluid constant DP control system |
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| CN (1) | CN208985016U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461489A (en) * | 2020-11-25 | 2021-03-09 | 中国空气动力研究与发展中心高速空气动力研究所 | Electronic scanning valve reference pressure control system for low-pressure measurement and application method |
-
2018
- 2018-11-01 CN CN201821797674.9U patent/CN208985016U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112461489A (en) * | 2020-11-25 | 2021-03-09 | 中国空气动力研究与发展中心高速空气动力研究所 | Electronic scanning valve reference pressure control system for low-pressure measurement and application method |
| CN112461489B (en) * | 2020-11-25 | 2022-09-23 | 中国空气动力研究与发展中心高速空气动力研究所 | Electronic scanning valve reference pressure control system for low-pressure measurement and application method |
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