CN105840597B - A kind of Multifunctional, air pressure control system prepared suitable for flexible electronic - Google Patents
A kind of Multifunctional, air pressure control system prepared suitable for flexible electronic Download PDFInfo
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- CN105840597B CN105840597B CN201610166198.XA CN201610166198A CN105840597B CN 105840597 B CN105840597 B CN 105840597B CN 201610166198 A CN201610166198 A CN 201610166198A CN 105840597 B CN105840597 B CN 105840597B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
- F15B21/087—Control strategy, e.g. with block diagram
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/16—Special measures for feedback, e.g. by a follow-up device
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40576—Assemblies of multiple valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/61—Secondary circuits
- F15B2211/613—Feeding circuits
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a kind of Multifunctional, air pressure control system prepared suitable for flexible electronic, it includes source of the gas adjustment unit, signal processing unit and signal feedback unit, source of the gas adjustment unit includes source of the gas component, electromagnetic valve component, automatically controlled valve module of voltage regulation and air pressure outlet, source of the gas sequentially passes through source of the gas component, electromagnetic valve component and automatically controlled valve module of voltage regulation, and is exported by air pressure outlet；Signal processing unit includes signal processor, solenoid valve controller and air conditioning system for aircraft cabin, and signal processor is used to handle control signal, and solenoid valve controller is used for the break-make for controlling gas circuit, and air conditioning system for aircraft cabin is used to adjust air pressure；Signal feedback unit includes temperature sensor and baroceptor component, and it is used to air pressure corrected value feeding back to signal processor, to realize the closed-loop control of automatically controlled valve module of voltage regulation.The present invention realizes control output and the feedback control of output pressure of a variety of air pressure functions, has the advantages that automaticity is high, easy to operate, highly versatile.
Description
Technical field
The invention belongs to Pneumatic Control Technology field, more particularly, to a kind of many work(prepared suitable for flexible electronic
Can pneumatic control system.
Background technology
It is related to a variety of preparation technologies, the Flip commonly used in such as flexible electronic label production in flexible electronic preparation process
Chip packaging technologies include the processing steps such as substrate conveying, dispensing, attachment, hot pressing and detection.Each processing step is to equipment
Action request it is all different, therefore each processing step is also different to pneumatic requirement.
Traditional pneumatic control is designed for a certain special process requirement to carry out the design of gas circuit and air pressure control,
Its function phase is to single, and the composition of Pneumatic assembly is also different, for pneumatic control mode, and magnetic valve break-make and hand are used mostly
The mode of dynamic pressure regulation is controlled.Above-mentioned pneumatic control mode has the following disadvantages：Pneumatic assembly composition is complicated, and control mode is not
Enough automations, the effect of air pressure control can not embody well.Therefore, a kind of multi-functional gas pressure regulator is designed and its corresponding
Control mode, while have good automatic control function it is gentle pressure control effect show, to requiring a variety of pneumatic control work(
The equipment of energy is particularly important.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, it is applied to prepared by flexible electronic the invention provides a kind of
Multifunctional, air pressure control system, it is realized the control output of a variety of air pressure functions, is controlled, realized defeated using controller
Go out the feedback control of air pressure, have the advantages that automaticity is high, easy to operate, highly versatile.
To achieve the above object, the invention provides a kind of voltage-controlled system system of Multifunctional, air prepared suitable for flexible electronic
System, it is characterised in that the control system includes source of the gas adjustment unit, signal processing unit and signal feedback unit, wherein：
Source of the gas component, electromagnetic valve component, the automatically controlled valve module of voltage regulation that the source of the gas adjustment unit includes being sequentially connected are gentle
Delivery outlet is pressed, the source of the gas of input passes sequentially through electromagnetic valve component, automatically controlled valve module of voltage regulation gentle after the processing of source of the gas component filters
Delivery outlet is pressed, and is exported by air pressure outlet；The source of the gas adjustment unit altogether provided with vacuum realize loop, with pressure realize loop and
Multichannel malleation realizes three, loop loop, to realize vacuum, the pressure output with pressure and multichannel malleation respectively；
The signal processing unit includes signal processor, solenoid valve controller and air conditioning system for aircraft cabin, the control of input
Signal obtains solenoid valve control signal and pressure regulation valve control signal after signal processor processes；Solenoid valve controller is according to electricity
Magnet valve control signal controls electromagnetic valve component, with the break-make of gas circuit in control system；Air conditioning system for aircraft cabin is according to pressure regulator valve control
Signal controls automatically controlled valve module of voltage regulation regulation air pressure；
The signal feedback unit includes temperature sensor and baroceptor component, and it is used for the air pressure school in gas circuit
On the occasion of feeding back to signal processor, to realize the closed-loop control of automatically controlled valve module of voltage regulation.
As it is further preferred that the electromagnetic valve component includes multiple magnetic valves, the automatically controlled valve module of voltage regulation includes
Multiple automatically controlled pressure regulator valves, the air pressure sensing device assembly includes multiple baroceptors, and the magnetic valve, automatically controlled pressure regulator valve are gentle
Pressure sensor is corresponded.
As it is further preferred that the vacuum realizes that loop is specially：Air pressure is provided by the branch road of the source of the gas component,
And by the break-make of solenoid valve control gas circuit, after it produces vacuum through vacuum generator, then by automatically controlled pressure regulation valve regulation air pressure, its
In, magnetic valve receives the air pressure school of baroceptor and temperature sensor feedback by solenoid valve controller control, automatically controlled pressure regulator valve
On the occasion of with the automatically controlled pressure regulator valve of closed-loop control, last air pressure exports vacuum by air pressure outlet.
As it is further preferred that described realize that loop is specially with pressure：Air pressure is provided by the branch road of source of the gas component, and by
The break-make of solenoid valve control gas circuit, then by automatically controlled pressure regulation valve regulation air pressure, wherein, magnetic valve is by solenoid valve controller control, electricity
The air pressure corrected value that pressure regulator valve receives baroceptor and temperature sensor feedback is controlled, with the automatically controlled pressure regulator valve of closed-loop control, finally
Air pressure is divided into two branch roads, and identical air pressure is exported by two air pressure outlets.
As it is further preferred that the multichannel malleation realizes that loop is specially：Air pressure is divided into multiple after source of the gas component
Branch road, and by solenoid valve control gas path on-off, then by automatically controlled pressure regulation valve regulation air pressure, wherein, magnetic valve is by solenoid valve controller
Control, automatically controlled pressure regulator valve receives the air pressure corrected value of baroceptor and temperature sensor feedback, with the automatically controlled pressure regulation of closed-loop control
Valve, last air pressure is exported by air pressure outlet.
As it is further preferred that the solenoid valve control signal includes branch road break-make information, the pressure regulator valve control letter
Number include the pressure set points of each gas circuit.
As it is further preferred that the air pressure corrected value in the gas circuit is specially the air pressure value of feedback under temperature-compensating,
It is obtained in the following way：
1) true temperature of temperature sensor and the difference of reference temperature are calculated：
DT=DT-TR；
Wherein, DTFor temperature sensor digital measurement of temperature value, TRFor reference temperature；
2) compensation rate of the temperature to air pressure is calculated：
F=FT1+T0×dT；
Wherein, FT1For atmospheric pressure compensating amount, T0For atmospheric pressure compensating amount temperature coefficient；
3) the air pressure resolution ratio of baroceptor under actual temperature is calculated：
S=ST1+TS×dT；
Wherein, ST1For air pressure sensitivity, TSFor air pressure sensitivity temperature coefficient；
4) the air pressure value of feedback under final temperature-compensating is calculated：
Pf=DP×S-F；
Wherein, DPFor the digital pressure measured value of baroceptor.
As it is further preferred that automatically controlled pressure regulator valve is controlled using pid algorithm, specially by air conditioning system for aircraft cabin according to gas
Press setting value PnAnd air pressure value of feedback Pf, handled through pid algorithm, drive automatically controlled pressure regulator valve, reach the closed-loop control of air pressure.
As it is further preferred that it is described by air conditioning system for aircraft cabin according to air pressure setting value PnAnd air pressure value of feedback Pf, warp
Pid algorithm processing, drives automatically controlled pressure regulator valve, reaches the closed-loop control of air pressure, specifically include：
Control signal is inputted, judges whether each branch way solenoid valve is connected, is ventilated for the branch road that magnetic valve is connected, so
Automatically controlled pressure regulation valve regulation air pressure is utilized afterwards；Control panel in automatically controlled pressure regulator valve is detected according to baroceptor and temperature sensor
It is compared to air pressure value of feedback with air pressure setting value, judges whether pressure divergence Δ P is less than tolerance e；If it is not, then adopting
Handled with pid algorithm, adjustment be controlled to automatically controlled pressure regulator valve, constantly circulation regulation until meeting pressure requirements, with up to
To the control of accurate pressure closed loop；If pressure divergence Δ P is less than tolerance e, gas is exported by air pressure outlet.
In general, possess following compared with prior art, mainly by the contemplated above technical scheme of the present invention
Technological merit：
1. the present invention is controlled using controller, the automation controllable adjustment of various air pressure functions is realized, with true
A variety of pneumatic fuction outputs such as empty, same to pressure, multichannel malleation, to requiring that the equipment of a variety of pneumatic functions has versatility, Neng Gouman
The requirement that sufficient flexible electronic is exported in preparing to various air pressure functions, can realize a variety of output requirements of pneumatic function, meet
The requirement controlled in equipment various air pressure, automaticity is high, is particularly suitable for use in flexible electronic Preparation equipment.
2. in the present invention, control instruction input controller, comprising branch road break-make information and each airline pressure setting value, through letter
After number processing, solenoid valve controller receives solenoid valve control signal control electromagnetic valve component, and electromagnetic valve component controls each gas circuit to lead to
It is disconnected；Air conditioning system for aircraft cabin receives pressure regulation valve control signal, the corresponding automatically controlled pressure regulation valve regulation air pressure of control, baroceptor and temperature
Spend sensor and feed back air pressure corrected value by signal transacting, constitute pressure closed loop regulation.The generator pressure control method can be accurately anti-
The atmospheric pressure value of output is presented, the real-time monitoring of pressure is realized, automaticity is high.
3. the present invention realizes break-make and the setting of pressure to each gas circuit using controller, while utilizing baroceptor pair
Air pressure is fed back, and the compensation of air pressure value of feedback has been carried out using temperature sensor, realize pressure it is real-time it is accurate control and
Feedback；In addition, the present invention uses pid algorithm to air pressure setting value, handled according to feedback atmospheric pressure value, and then drive control electricity
Pressure regulator valve is controlled, more accurate pressure closed loop control is reached.
Brief description of the drawings
Fig. 1 is the composition sketch of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention；
Fig. 2 (a)-(c) is each function of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention respectively
Realize figure in loop；
Fig. 3 is the composition figure of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention；
Fig. 4 is the control flow chart of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as in addition, technical characteristic involved in each embodiment of invention described below
Not constituting conflict each other can just be mutually combined.
As shown in figure 1, a kind of voltage-controlled system system of Multifunctional, air prepared suitable for flexible electronic provided in an embodiment of the present invention
System, the control system mainly includes source of the gas adjustment unit, signal processing unit and signal feedback unit, wherein, source of the gas regulation is single
Member is used for conveying, break-make and the regulation for realizing air pressure, and signal processing unit is used to realize the control signal and feedback to input
Signal handled, the signal feedback unit is used to realize the feedback of air pressure corrected value in gas circuit, and the Multifunctional, air is voltage-controlled
System processed have vacuum realize loop, with pressure realize that loop and multichannel malleation realize loop, can realize respectively vacuum, with pressure, it is many
The various pressure functional outputs such as road malleation, realize the control output of a variety of air pressure functions, with automaticity height, operation letter
Just, the advantages of highly versatile.
Unit will be described in detail and be illustrated below.
Source of the gas adjustment unit, its mainly include be sequentially connected source of the gas component, electromagnetic valve component, automatically controlled valve module of voltage regulation and
Air pressure outlet, wherein source of the gas component are used to provide source of the gas, and electromagnetic valve component is used for the break-make for controlling gas circuit, and it includes multiple electricity
Magnet valve, automatically controlled valve module of voltage regulation is used to adjust air pressure in gas circuit, and it includes multiple automatically controlled pressure regulator valves, the magnetic valve with it is automatically controlled
Pressure regulator valve is corresponded, and air pressure outlet is used for output pressure, after the source of the gas of input is handled through source of the gas component filters, passes sequentially through
Magnetic valve and automatically controlled pressure regulator valve, are finally exported by air pressure outlet, in source of the gas course of conveying, by the logical of solenoid valve control gas circuit
It is disconnected, the air pressure in gas circuit is controlled by automatically controlled pressure regulator valve so that source of the gas is exported with certain pressure by air pressure outlet.
Signal processing unit, it mainly includes signal processor, solenoid valve controller and air conditioning system for aircraft cabin, signal transacting
Device is used to realize the processing of input signal, to obtain solenoid valve control signal and pressure regulation valve control signal, and by corresponding signal
Solenoid valve controller and air conditioning system for aircraft cabin are conveyed to, solenoid valve controller controls opening for magnetic valve according to solenoid valve control signal
Close, with the break-make of gas circuit in control system, air conditioning system for aircraft cabin controls automatically controlled pressure regulator valve according to pressure regulation valve control signal, to adjust
Air pressure in gas circuit.Specifically, solenoid valve control signal includes branch road break-make information, pressure regulation valve control signal includes each gas circuit
Pressure set points.
Signal feedback unit, it mainly includes temperature sensor and baroceptor component, and it is used for the gas in gas circuit
Pressure corrected value feeds back to signal processor, to realize the closed-loop control of automatically controlled pressure regulator valve.The air pressure sensing device assembly includes many
Individual baroceptor, the baroceptor is corresponded with magnetic valve, automatically controlled pressure regulator valve.The present invention controls electricity using pid algorithm
Pressure regulator valve is controlled, the controllable adjustment of air pressure is by air conditioning system for aircraft cabin according to air pressure setting value PnAnd air pressure value of feedback Pf, through pid algorithm
Processing, drives automatically controlled pressure regulator valve, reaches more accurate pressure closed loop control.
Wherein, the air pressure corrected value in gas circuit is specially the air pressure value of feedback under temperature-compensating, and it is obtained in the following way
：
First, relevant parameter is obtained according to the sensor of selection：Sensor is in reference temperature TRUnder air pressure sensitivity ST1、
Atmospheric pressure compensating amount FT1, air pressure sensitivity temperature coefficient TS, atmospheric pressure compensating amount temperature coefficient T0.Then according to sensor detected value：
Baroceptor digital pressure measured value DPWith temperature sensor digital measurement of temperature value DT(environment temperature measured), passes through
Following steps calculate the air pressure value of feedback obtained under temperature-compensating：
1) difference of true temperature and reference temperature is calculated：DT=DT-TR；
2) compensation rate of the temperature to air pressure is calculated：F=FT1+T0×dT；
3) the air pressure resolution ratio of baroceptor under actual temperature is calculated：S=ST1+TS×dT；
4) the air pressure value of feedback of final temperature compensation is calculated：Pf=DP×S-F。
As shown in Fig. 2 (a), vacuum realizes that loop is realized in the following way：
Air pressure is provided by the branch road of the source of the gas component, and by the break-make of solenoid valve control gas circuit, it is through vacuum generator
Produce after vacuum, then by automatically controlled pressure regulation valve regulation air pressure, wherein, magnetic valve is connect by solenoid valve controller control, automatically controlled pressure regulator valve
The air pressure corrected value of getter pressure sensor and temperature sensor feedback, with the automatically controlled pressure regulator valve of closed-loop control, last air pressure is by air pressure
Delivery outlet exports vacuum.
As shown in Fig. 2 (b), realize that loop is realized in the following way with pressure：
Air pressure is provided by the branch road of source of the gas component, and by the break-make of solenoid valve control gas circuit, then by automatically controlled pressure regulation valve regulation
Air pressure, wherein, magnetic valve is by solenoid valve controller control, and automatically controlled pressure regulator valve receives baroceptor and temperature sensor feedback
Air pressure corrected value, with the automatically controlled pressure regulator valve of closed-loop control, last air pressure is divided into two branch roads, is exported respectively by two air pressure outlets
Identical air pressure.
As shown in Fig. 2 (c), multichannel malleation realizes that loop is realized in the following way：
Air pressure is divided into multiple branch roads after source of the gas component, and is adjusted by solenoid valve control gas path on-off, then by automatically controlled pressure regulator valve
Solar term pressure, wherein, magnetic valve receives baroceptor and temperature sensor feedback by solenoid valve controller control, automatically controlled pressure regulator valve
Air pressure corrected value, with the automatically controlled pressure regulator valve of closed-loop control, last air pressure is exported by air pressure outlet.
Understood according to Fig. 2 (a)-(c), control signal is defeated respectively as solenoid valve controller and automatically controlled air conditioning system for aircraft cabin
Enter signal, solenoid valve control is opened loop control, and solenoid valve controller receives solenoid signal, controls magnetic valve break-make.
It is below the specific embodiment of the present invention.
As shown in figure 3, source of the gas input sequentially passes through filter, pressure regulator valve and air pressure display table (filter, pressure regulator valve and air pressure
Display table three constitutes source of the gas component) after two-way, i.e. source of the gas are divided into by source of the gas component progress processing by current divider are divided into two
Branch road.Wherein be divided into 7 small branch roads all the way, the gas circuit for realizing various functions, each branch road successively marked as 1,2,3,4,5,
6、7；Another road is divided into two small branch roads, marked as 8,9, for realizing that the malleation of independent two-way is supplied, for being needed in equipment
The place of independent source of the gas supply.
Wherein, branch road 1 and branch road 2 are used to realize vacuum output function, and its magnetic valve 1 and magnetic valve 2 are two-position three way electricity
Magnet valve, one position is directly accessed automatically controlled pressure regulator valve, and one is first accessed vacuum generator and accesses automatically controlled pressure regulator valve, automatically controlled pressure regulator valve again
1 and automatically controlled pressure regulator valve 2 pressure regulation is carried out to branch road 1 and branch road 2 respectively, branch road 1 and branch road 2 are respectively connected to air pressure sensing afterwards
Device 1 and baroceptor 2, baroceptor are used for the atmospheric pressure value size for detecting output, finally defeated by air pressure outlet 1 and air pressure
Outlet 2 exports vacuum pressure.
Branch road 3 is used to realize two-way with output function is pressed, and the source of the gas of branch road 3 accesses magnetic valve 3 first, and magnetic valve 3 is two
Position two-way electromagnetic valve, the break-make of the source of the gas of controlling brancher 3 accesses automatically controlled pressure regulator valve 3 afterwards, and it is used to adjust pressure size, then passes through
Baroceptor 3 is crossed, output pressure value is detected, last air pressure outlet is divided into two, is divided into air pressure outlet 3 and air pressure output
Mouth 4, is realized with pressure output function.
Remaining multichannel than that described above, i.e. branch road 4,5,6,7,8,9, are all malleation output functions, and its structure is all branch
Road source of the gas accesses a two-position two-way solenoid valve 4-9, the source of the gas break-make for controlling this branch road；Automatically controlled pressure regulator valve 4-9 is accessed again,
For adjusting air pressure size；Baroceptor 4-9 is accessed again, air pressure output size is detected, finally by each branch road air pressure outlet
5-10 is exported.
Fig. 4 is the air pressure control flow chart of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention, this
Place is only illustrated to the air pressure control output flow of a certain branch road.
Control signal is inputted first, then judges whether each way solenoid valve is connected successively, for example branch road 1 is exported, then is controlled
Magnetic valve 1 is connected, and now branch road 1 is ventilated；After magnetic valve is connected, respective branch is ventilated, and hereafter automatically controlled pressure regulator valve carries out air pressure
Regulation；Pressure regulator valve control panel obtains air pressure feedback correction value according to baroceptor and temperature sensor detection, and is set with air pressure
Definite value is compared, and judges whether pressure divergence Δ P is less than tolerance e, if not then handled using pid algorithm, it is right
Automatically controlled pressure regulator valve further controls adjustment, and constantly circulation regulation reaches more accurate air pressure until meeting pressure requirements with this
Closed-loop control；If pressure divergence Δ P reaches tolerance e, gas can be exported by air pressure outlet.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not used to
The limitation present invention, any modifications, equivalent substitutions and improvements made within the spirit and principles of the invention etc., it all should include
Within protection scope of the present invention.
Claims (8)
1. a kind of Multifunctional, air pressure control system prepared suitable for flexible electronic, it is characterised in that the control system includes gas
Source adjustment unit, signal processing unit and signal feedback unit, wherein：
Source of the gas component, electromagnetic valve component, automatically controlled valve module of voltage regulation and the air pressure that the source of the gas adjustment unit includes being sequentially connected are defeated
Outlet, after the source of the gas of input is handled through source of the gas component filters, passes sequentially through electromagnetic valve component, automatically controlled valve module of voltage regulation and air pressure defeated
Outlet, and exported by air pressure outlet；The source of the gas adjustment unit realizes loop provided with vacuum altogether, realizes loop and multichannel with pressure
Malleation realizes three, loop loop, to realize vacuum, the pressure output with pressure and multichannel malleation respectively；
The signal processing unit includes signal processor, solenoid valve controller and air conditioning system for aircraft cabin, the control signal of input
After signal processor processes, solenoid valve control signal and pressure regulation valve control signal are obtained；Solenoid valve controller is according to magnetic valve
Control signal controls electromagnetic valve component, with the break-make of gas circuit in control system；Air conditioning system for aircraft cabin is according to pressure regulation valve control signal
Control automatically controlled valve module of voltage regulation regulation air pressure；
The signal feedback unit includes temperature sensor and baroceptor component, and it is used for the air pressure corrected value in gas circuit
Signal processor is fed back to, to realize the closed-loop control of automatically controlled valve module of voltage regulation；Wherein, the electromagnetic valve component includes multiple electricity
Magnet valve, the automatically controlled valve module of voltage regulation includes multiple automatically controlled pressure regulator valves, and the air pressure sensing device assembly includes multiple air pressure sensings
Device, the magnetic valve, automatically controlled pressure regulator valve and baroceptor are corresponded.
2. the Multifunctional, air pressure control system prepared as claimed in claim 1 suitable for flexible electronic, it is characterised in that described
Vacuum realizes that loop is specially：Air pressure is provided by the branch road of the source of the gas component, and by the break-make of solenoid valve control gas circuit, it is passed through
Vacuum generator is produced after vacuum, then by automatically controlled pressure regulation valve regulation air pressure, wherein, magnetic valve is by solenoid valve controller control, electricity
The air pressure corrected value that pressure regulator valve receives baroceptor and temperature sensor feedback is controlled, with the automatically controlled pressure regulator valve of closed-loop control, finally
Air pressure exports vacuum by air pressure outlet.
3. the Multifunctional, air pressure control system prepared as claimed in claim 2 suitable for flexible electronic, it is characterised in that described
Realize that loop is specially with pressure：Air pressure is provided by the branch road of source of the gas component, and by the break-make of solenoid valve control gas circuit, then by automatically controlled
Pressure regulation valve regulation air pressure, wherein, magnetic valve is by solenoid valve controller control, and automatically controlled pressure regulator valve receives baroceptor and temperature is passed
The air pressure corrected value of sensor feedback, with the automatically controlled pressure regulator valve of closed-loop control, last air pressure is divided into two branch roads, is exported by two air pressure
Mouth output identical air pressure.
4. the Multifunctional, air pressure control system prepared as claimed in claim 2 suitable for flexible electronic, it is characterised in that described
Multichannel malleation realizes that loop is specially：Air pressure is divided into multiple branch roads after source of the gas component, and by solenoid valve control gas path on-off, then
By automatically controlled pressure regulation valve regulation air pressure, wherein, magnetic valve by solenoid valve controller control, automatically controlled pressure regulator valve receive baroceptor and
The air pressure corrected value of temperature sensor feedback, with the automatically controlled pressure regulator valve of closed-loop control, last air pressure is exported by air pressure outlet.
5. the Multifunctional, air pressure control system prepared as claimed in claim 4 suitable for flexible electronic, it is characterised in that described
Solenoid valve control signal includes branch road break-make information, and the pressure regulation valve control signal includes the pressure set points of each gas circuit.
6. the Multifunctional, air pressure control system prepared as claimed in claim 1 suitable for flexible electronic, it is characterised in that described
Air pressure corrected value in gas circuit is specially the air pressure value of feedback under temperature-compensating, and it is obtained in the following way：
1) true temperature of temperature sensor and the difference of reference temperature are calculated：
DT=DT-TR；
Wherein, DTFor temperature sensor digital measurement of temperature value, TRFor reference temperature；
2) compensation rate of the temperature to air pressure is calculated：
F=FT1+T0×dT；
Wherein, FT1For atmospheric pressure compensating amount, T0For atmospheric pressure compensating amount temperature coefficient；
3) the air pressure resolution ratio of baroceptor under actual temperature is calculated：
S=ST1+TS×dT；
Wherein, ST1For air pressure sensitivity, TSFor air pressure sensitivity temperature coefficient；
4) the air pressure value of feedback under final temperature-compensating is calculated：
Pf=DP×S-F；
Wherein, DPFor the digital pressure measured value of baroceptor.
7. the Multifunctional, air pressure control system prepared as claimed in claim 6 suitable for flexible electronic, it is characterised in that use
Pid algorithm controls automatically controlled pressure regulator valve, is specially according to air pressure setting value P by air conditioning system for aircraft cabinnAnd air pressure value of feedback Pf, through PID
Algorithm process, drives automatically controlled pressure regulator valve, reaches the closed-loop control of air pressure.
8. the Multifunctional, air pressure control system prepared as claimed in claim 7 suitable for flexible electronic, it is characterised in that described
By air conditioning system for aircraft cabin according to air pressure setting value PnAnd air pressure value of feedback Pf, handled through pid algorithm, drive automatically controlled pressure regulator valve, reach
The closed-loop control of air pressure, is specifically included：
Control signal is inputted, judges whether each branch way solenoid valve is connected, is ventilated for the branch road that magnetic valve is connected, Ran Houli
Air pressure is adjusted with automatically controlled pressure regulator valve；Control panel in automatically controlled pressure regulator valve obtains gas according to baroceptor and temperature sensor detection
Pressure value of feedback is compared with air pressure setting value, judges whether pressure divergence Δ P is less than tolerance e；If it is not, then using
Pid algorithm is handled, and adjustment is controlled to automatically controlled pressure regulator valve, and constantly circulation regulation is until meeting pressure requirements, to reach
Accurate pressure closed loop control；If pressure divergence Δ P is less than tolerance e, gas is exported by air pressure outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166198.XA CN105840597B (en) | 2016-03-22 | 2016-03-22 | A kind of Multifunctional, air pressure control system prepared suitable for flexible electronic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610166198.XA CN105840597B (en) | 2016-03-22 | 2016-03-22 | A kind of Multifunctional, air pressure control system prepared suitable for flexible electronic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840597A CN105840597A (en) | 2016-08-10 |
| CN105840597B true CN105840597B (en) | 2017-10-13 |
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| CN106406373A (en) * | 2016-10-21 | 2017-02-15 | 杭州孚亚科技有限公司 | Novel fluid pressure regulation apparatus and fluid pressure regulation method thereof |
| CN107291035A (en) * | 2017-06-05 | 2017-10-24 | 江西合力泰科技有限公司 | A kind of prepressing device and its preloading method for suppressing ito glass |
| CN109343592A (en) * | 2018-10-29 | 2019-02-15 | 苏州锐讯生物科技有限公司 | High-precision multi-path automatic air pressure fluid control systems and its control method |
| CN110987604B (en) * | 2019-12-18 | 2022-02-22 | 太原理工大学 | Air pressure stabilizing system and method for controlling pore water pressure in coal rock mass creep test |
| CN111102253A (en) * | 2019-12-25 | 2020-05-05 | 长沙中达智能科技有限公司 | Device and method for controlling speed of hydraulic driving mechanism |
| CN112835392B (en) * | 2021-01-04 | 2023-05-09 | 海门市帕源路桥建设有限公司 | Pneumatic pressure automatic control system |
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