CN105840597A - Multifunctional pneumatic control system suitable for flexible electron preparation - Google Patents
Multifunctional pneumatic control system suitable for flexible electron preparation Download PDFInfo
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- CN105840597A CN105840597A CN201610166198.XA CN201610166198A CN105840597A CN 105840597 A CN105840597 A CN 105840597A CN 201610166198 A CN201610166198 A CN 201610166198A CN 105840597 A CN105840597 A CN 105840597A
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- air pressure
- pressure
- automatically controlled
- valve
- gas
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Classifications
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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
Abstract
The invention discloses a multifunctional pneumatic control system suitable for flexible electron preparation. The system comprises an air source adjusting unit, a signal processing unit and a signal feedback unit; the air source adjusting unit includes an air source module, an electromagnetic valve module, an electric control voltage adjusting valve module and an air pressure output port; an air source passes through the air source module, the electromagnetic valve module and the electric control voltage adjusting valve module in sequence, and is output by the air pressure output port; the signal processing unit includes a signal processor, an electromagnetic valve controller and a voltage adjusting valve controller; the signal processor is used for processing a control signal; the electromagnetic valve controller is used for controlling connection and disconnection of an air circuit; the voltage adjusting valve controller is used for adjusting the air pressure; and the signal feedback unit includes a temperature sensor and an air pressure sensor module for returning an air pressure correcting value to the signal process to realize the closed-loop control of the electric control voltage adjusting valve module. The system realizes control output of multiple air pressure functions and feedback control of output air pressure, and has such advantages as high automation degree, convenience for operation and high generality.
Description
Technical field
The invention belongs to Pneumatic Control Technology field, be applicable to flexible electronic more particularly, to one
The Multifunctional, air pressure control system of preparation.
Background technology
Flexible electronic preparation process relates to multiple preparation technology, in producing such as flexible electronic label often
Flip Chip packaging technology include substrate conveying, some the work such as glue, attachment, hot pressing and detection
Skill step.Each processing step is the most different to the action request of equipment, and the most each processing step is to gas
Dynamic requirement is the most different.
Traditional pneumatic control is designed for a certain special process, and to require to carry out gas circuit gentle voltage-controlled
The design of system, its function is the most single, and the composition of Pneumatic assembly is the most different, for pneumatic control side
Formula, uses the mode of electromagnetic valve break-make and manual voltage regulation to be controlled mostly.Above-mentioned pneumatic control mode
Have the disadvantage in that Pneumatic assembly composition complexity, the inadequate automatization of control mode, the effect that air pressure controls
Fruit cannot well embody.Therefore, design a kind of multi-functional gas pressure regulator and control accordingly
Mode, has good automatic control function simultaneously and air pressure controls effect and shows, to requiring multiple gas
The dynamic equipment controlling function is particularly important.
Summary of the invention
For disadvantages described above or the Improvement requirement of prior art, the invention provides one and be applicable to flexibility
Multifunctional, air pressure control system prepared by electronics, it achieves the control output of multiple air pressure function, adopts
It is controlled with controller, it is achieved that the feedback control of output pressure, there is automaticity height, behaviour
Make the advantages such as simplicity, highly versatile.
For achieving the above object, the invention provides and a kind of be applicable to Multifunctional, air prepared by flexible electronic
Pressure control system, it is characterised in that this control system includes that source of the gas regulates unit, signal processing unit
With signal feedback unit, wherein:
Source of the gas assembly that described source of the gas regulation unit includes being sequentially connected, electromagnetic valve component, automatically controlled pressure regulation
Valve module and air pressure outlet, the source of the gas of input, after source of the gas component filters processes, passes sequentially through electromagnetism
Valve module, automatically controlled valve module of voltage regulation and air pressure outlet, and exported by air pressure outlet；Described source of the gas
Regulation unit is provided with vacuum altogether and realizes loop, realizes three, loop go back to the existing loop of compacting and multichannel malleation
Road, to realize vacuum respectively, with pressing and the pressure output of multichannel malleation；
Described signal processing unit includes signal processor, solenoid valve controller and air conditioning system for aircraft cabin,
The control signal of input is after signal processor processes, it is thus achieved that solenoid valve control signal and pressure regulator valve control
Signal；Solenoid valve controller controls electromagnetic valve component according to solenoid valve control signal, with in control system
The break-make of gas circuit；Air conditioning system for aircraft cabin controls the regulation of automatically controlled valve module of voltage regulation according to pressure regulator valve control signal
Air pressure；
Described signal feedback unit includes temperature sensor and baroceptor assembly, and it is for by gas circuit
In air pressure corrected value feed back to signal processor, to realize the closed loop control of automatically controlled valve module of voltage regulation.
As it is further preferred that described electromagnetic valve component includes multiple electromagnetic valve, described automatically controlled pressure regulation
Valve module includes that multiple automatically controlled pressure regulator valve, described baroceptor assembly include multiple baroceptor,
Described electromagnetic valve, automatically controlled pressure regulator valve and baroceptor one_to_one corresponding.
As it is further preferred that described vacuum realizes loop particularly as follows: air pressure is by described source of the gas assembly
Branch road provide, and controlled the break-make of gas circuit by electromagnetic valve, it produces after vacuum through vacuum generator,
Being regulated air pressure by automatically controlled pressure regulator valve again, wherein, electromagnetic valve is by solenoid valve controller control, automatically controlled pressure regulation
Valve receives baroceptor and the air pressure corrected value of temperature sensor feedback, with the automatically controlled pressure regulation of closed loop control
Valve, last air pressure is exported vacuum by air pressure outlet.
As it is further preferred that described with the existing loop of compacting particularly as follows: air pressure by source of the gas assembly
Road provides, and is controlled the break-make of gas circuit by electromagnetic valve, then by automatically controlled pressure regulator valve regulation air pressure, wherein,
Electromagnetic valve is by solenoid valve controller control, and automatically controlled pressure regulator valve receives baroceptor and temperature sensor is anti-
The air pressure corrected value of feedback, with the automatically controlled pressure regulator valve of closed loop control, last air pressure is divided into two branch roads, by two
The air pressure that the output of individual air pressure outlet is identical.
As it is further preferred that described multichannel malleation realizes loop particularly as follows: air pressure is through source of the gas assembly
After be divided into multiple branch road, and controlled gas path on-off by electromagnetic valve, then regulated air pressure by automatically controlled pressure regulator valve,
Wherein, electromagnetic valve is by solenoid valve controller control, and automatically controlled pressure regulator valve receives baroceptor and temperature passes
The air pressure corrected value of sensor feedback, with the automatically controlled pressure regulator valve of closed loop control, last air pressure is by air pressure outlet
Output.
As it is further preferred that described solenoid valve control signal includes branch road break-make information, described tune
Pressure valve control signal includes the pressure set points of each gas circuit.
As it is further preferred that the air pressure corrected value in described gas circuit is specially the gas under temperature-compensating
Pressing value of feedback, it obtains in the following way:
1) difference of true temperature and the reference temperature of temperature sensor is calculated:
DT=DT-TR；
Wherein, DTFor temperature sensor digital measurement of temperature value, TRFor reference temperature；
2) temperature compensation dosage 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 of baroceptor under calculating actual temperature:
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, DPDigital pressure measured value for baroceptor.
As it is further preferred that use pid algorithm to control automatically controlled pressure regulator valve, it is specially by pressure regulator valve
Controller is according to air pressure setting value PnAnd air pressure value of feedback Pf, process through pid algorithm, drive automatically controlled tune
Pressure valve, reaches the closed loop control of air pressure.
As it is further preferred that described by air conditioning system for aircraft cabin according to air pressure setting value PnAnd air pressure is anti-
Feedback value Pf, process through pid algorithm, drive automatically controlled pressure regulator valve, reach the closed loop control of air pressure, specifically
Including:
Input control signal, it is judged that whether each way solenoid valve is connected, the branch road that electromagnetic valve is connected
Ventilate, then utilize automatically controlled pressure regulator valve to regulate air pressure；Panel in automatically controlled pressure regulator valve is according to gas
Pressure sensor and temperature sensor detection obtain air pressure value of feedback and compare with air pressure setting value, it is judged that
Whether pressure divergence Δ P is less than tolerance e；If it is not, then use pid algorithm to process, right
Automatically controlled pressure regulator valve is controlled adjusting, 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, then gas is defeated by air pressure outlet
Go out.
In general, by the contemplated above technical scheme of the present invention compared with prior art, mainly
Possess following technological merit:
1. the present invention uses controller to be controlled, it is achieved that the controlled tune of automatization of various air pressure functions
Joint, has vacuum, with multiple pneumatic fuction outputs such as pressure, multichannel malleations, to requiring multiple pneumatic work
Can equipment there is versatility, it is possible to meet flexible electronic preparation in various air pressure functions are exported want
Ask, it is possible to realize the multiple output requirement of pneumatic function, meet various air pressure are controlled by equipment want
Asking, automaticity is high, is particularly suited in flexible electronic Preparation equipment.
2. in the present invention, control instruction input controller, comprise branch road break-make information and each airline pressure
Setting value, after signal processing, solenoid valve controller receives solenoid valve control signal and controls electromagnetic valve group
Part, electromagnetic valve component controls each gas path on-off；Air conditioning system for aircraft cabin receives pressure regulator valve control signal, control
Making corresponding automatically controlled pressure regulator valve regulation air pressure, baroceptor and temperature sensor are anti-through signal processing
Feedback air pressure corrected value, constitutes pressure closed loop regulation.This generator pressure control method can accurate feedback output
Atmospheric pressure value, it is achieved that the real-time monitoring of pressure, automaticity is high.
3. the present invention uses controller to realize the break-make to each gas circuit and the setting of pressure, utilizes gas simultaneously
Air pressure is fed back by pressure sensor, utilizes temperature sensor to carry out the compensation of air pressure value of feedback, real
Show the most accurately controlling and feedback of pressure；Additionally, the present invention uses pid algorithm to set air pressure
Value, processes according to feedback atmospheric pressure value, and then drives the automatically controlled pressure regulator valve of control, reaches the most accurate
Pressure closed loop control.
Accompanying drawing explanation
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 the voltage-controlled system of Multifunctional, air prepared towards flexible electronic of the present invention respectively
Each functional loop of system realizes figure；
Fig. 3 is the composition diagram of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention；
Fig. 4 is the control flow of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention
Figure.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And embodiment, the present invention is further elaborated.Should be appreciated that described herein specifically
Embodiment only in order to explain the present invention, is not intended to limit the present invention.Additionally, it is disclosed below
Just may be used as long as technical characteristic involved in each embodiment of the present invention does not constitutes conflict each other
To be mutually combined.
As it is shown in figure 1, the embodiment of the present invention provide a kind of be applicable to prepared by flexible electronic multi-functional
Pneumatic control system, this control system mainly includes source of the gas regulation unit, signal processing unit and signal
Feedback unit, wherein, source of the gas regulation unit is for realizing the conveying of air pressure, break-make and regulation, signal
Processing unit processes for the signal realizing the control signal to input and feedback, described signal
Feedback unit is for realizing the feedback of air pressure corrected value in gas circuit, and this Multifunctional, air pressure control system has
Vacuum realizes loop, realizes loop with the existing loop of compacting and multichannel malleation, can realize respectively vacuum, with
The various pressure functionals outputs such as pressure, multichannel malleation, it is achieved that the control output of multiple air pressure function, tool
There are the advantages such as high, easy and simple to handle, the highly versatile of automaticity.
Unit will be described in detail and illustrate below.
Source of the gas regulation unit, its source of the gas assembly mainly including being sequentially connected, electromagnetic valve component, automatically controlled
Valve module of voltage regulation and air pressure outlet, wherein source of the gas assembly is used for providing source of the gas, electromagnetic valve component to be used for
Controlling the break-make of gas circuit, it includes multiple electromagnetic valve, and automatically controlled valve module of voltage regulation is for regulating in gas circuit
Air pressure, it includes multiple automatically controlled pressure regulator valve, described electromagnetic valve and automatically controlled pressure regulator valve one_to_one corresponding, air pressure
Delivery outlet is used for output pressure, and the source of the gas of input, after source of the gas component filters processes, passes sequentially through electromagnetism
Valve and automatically controlled pressure regulator valve, finally exported by air pressure outlet, in source of the gas course of conveying, by electromagnetic valve
Control the break-make of gas circuit, automatically controlled pressure regulator valve control the air pressure in gas circuit so that source of the gas is with certain pressure
Power is exported by air pressure outlet.
Signal processing unit, it mainly includes that signal processor, solenoid valve controller and pressure regulator valve control
Device, signal processor is for realizing the process of input signal, to obtain solenoid valve control signal and pressure regulation
Valve control signal, and corresponding signal is flowed to solenoid valve controller and air conditioning system for aircraft cabin, electromagnetism
Valve control controls the folding of electromagnetic valve according to solenoid valve control signal, with gas circuit logical in control system
Disconnected, air conditioning system for aircraft cabin controls automatically controlled pressure regulator valve according to pressure regulator valve control signal, to regulate in gas circuit
Air pressure.Concrete, solenoid valve control signal includes branch road break-make information, and pressure regulator valve control signal includes
The pressure set points of each gas circuit.
Signal feedback unit, it mainly includes temperature sensor and baroceptor assembly, and it will be for will
Air pressure corrected value in gas circuit feeds back to signal processor, to realize the closed loop control of automatically controlled pressure regulator valve.
Described baroceptor assembly includes multiple baroceptor, this baroceptor and electromagnetic valve, automatically controlled
Pressure regulator valve one_to_one corresponding.The present invention uses pid algorithm to control automatically controlled pressure regulator valve, the controllable adjustment of air pressure
By air conditioning system for aircraft cabin according to air pressure setting value PnAnd air pressure value of feedback Pf, process through pid algorithm, drive
Galvanic electricity control pressure regulator valve, reaches more accurate pressure closed loop and controls.
Wherein, the air pressure corrected value in gas circuit is specially the air pressure value of feedback under temperature-compensating, and it uses
Following manner obtains:
First, relevant parameter is obtained according to the sensor selected: sensor is in reference temperature TRUnder gas
Pressure sensitivity ST1, atmospheric pressure compensating amount FT1, air pressure sensitivity temperature coefficient TS, atmospheric pressure compensating amount temperature system
Number T0.Then according to sensor detected value: baroceptor digital pressure measured value DPAnd temperature sensing
Device digital measurement of temperature value DT(ambient temperature i.e. measured), is calculated by following steps and obtains temperature benefit
Air pressure value of feedback under repaying:
1) difference of true temperature and reference temperature: dT=D is calculatedT-TR；
2) temperature compensation dosage to air pressure: F=F is calculatedT1+T0×dT；
3) the air pressure resolution of baroceptor: S=S under actual temperature is calculatedT1+TS×dT；
4) the air pressure value of feedback that final temperature compensates: P is calculatedf=DP×S-F。
As shown in Fig. 2 (a), vacuum realizes loop and realizes in the following way:
Air pressure is provided by the branch road of described source of the gas assembly, and is controlled the break-make of gas circuit, its warp by electromagnetic valve
After vacuum generator produces vacuum, then being regulated air pressure by automatically controlled pressure regulator valve, wherein, electromagnetic valve is by electromagnetism
Valve control controls, and automatically controlled pressure regulator valve receives the air pressure correction of baroceptor and temperature sensor feedback
Value, with the automatically controlled pressure regulator valve of closed loop control, last air pressure is exported vacuum by air pressure outlet.
As shown in Fig. 2 (b), realize in the following way with the existing loop of compacting:
Air pressure is provided by the branch road of source of the gas assembly, and is controlled the break-make of gas circuit by electromagnetic valve, then by automatically controlled
Pressure regulator valve regulation air pressure, wherein, electromagnetic valve is received gas by solenoid valve controller control, automatically controlled pressure regulator valve
The air pressure corrected value of pressure sensor and temperature sensor feedback, with the automatically controlled pressure regulator valve of closed loop control, finally
Air pressure is divided into two branch roads, respectively by the air pressure that two air pressure outlet output is identical.
As shown in Fig. 2 (c), multichannel malleation realizes loop and realizes in the following way:
Air pressure is divided into multiple branch road after source of the gas assembly, and is controlled gas path on-off by electromagnetic valve, then by electricity
Control pressure regulator valve regulation air pressure, wherein, electromagnetic valve is received by solenoid valve controller control, automatically controlled pressure regulator valve
The air pressure corrected value of baroceptor and temperature sensor feedback, with the automatically controlled pressure regulator valve of closed loop control,
Rear air pressure is exported by air pressure outlet.
Understanding according to Fig. 2 (a)-(c), control signal is respectively as solenoid valve controller and automatically controlled tune
The input signal of pressure valve controller, electromagnetic valve controls as opened loop control, solenoid valve controller reception electromagnetism
Valve signal, controls electromagnetic valve break-make.
It it is below the specific embodiment of the present invention.
As it is shown on figure 3, source of the gas input sequentially pass through filter, pressure regulator valve and air pressure display table (filter,
Pressure regulator valve and air pressure display table three constitute source of the gas assembly) after be divided into two-way by diverter, i.e. source of the gas warp
Cross source of the gas assembly to carry out process and be divided into two branch roads.Wherein a road is divided into 7 little branch roads, is used for realizing
The gas circuit of various functions, each branch road is numbered 1,2,3,4,5,6,7 successively；Another road is divided into two
Individual little branch road, is numbered 8,9, for realizing the malleation supply of independent two-way, needs in equipment
The individually place of source of the gas supply.
Wherein, branch road 1 and branch road 2 are used for realizing vacuum output function, its electromagnetic valve 1 and electromagnetic valve
2 is two-position three way magnetic valve, and one position is directly accessed automatically controlled pressure regulator valve, and one is first accessed vacuum generator
Accessing automatically controlled pressure regulator valve again, branch road 1 and branch road 2 are entered by automatically controlled pressure regulator valve 1 and automatically controlled pressure regulator valve 2 respectively
Row pressure regulates, and branch road 1 and branch road 2 are respectively connected to baroceptor 1 and baroceptor 2 afterwards,
Baroceptor, for detecting the atmospheric pressure value size of output, is finally exported by air pressure outlet 1 and air pressure
Mouth 2 output vacuum pressure.
Branch road 3 is used for realizing two-way and presses output function, the source of the gas of branch road 3 first to access electromagnetic valve 3 together,
Electromagnetic valve 3 is two-position two-way solenoid valve, the break-make of controlling brancher 3 source of the gas, accesses automatically controlled pressure regulation afterwards
Valve 3, it is used for regulating pressure size, then through baroceptor 3, detects output pressure value, finally
Air pressure outlet is divided into two, and is divided into air pressure outlet 3 and air pressure outlet 4, it is achieved with pressing output work
Energy.
Remaining multichannel than that described above, i.e. branch road 4,5,6,7,8,9, be all malleation output work
Can, its structure is all that branch road source of the gas accesses a two-position two-way solenoid valve 4-9, for controlling this branch road
Source of the gas break-make；Access automatically controlled pressure regulator valve 4-9 again, be used for regulating air pressure size；Access baroceptor again
4-9, detected air pressure output size, finally exported by each branch road air pressure outlet 5-10.
Fig. 4 is the air pressure control of the Multifunctional, air pressure control system prepared towards flexible electronic of the present invention
Flow chart, the most only air pressure to a certain branch road control output flow process and illustrate.
First control signal input, judges whether each way solenoid valve is connected, such as branch road 1 the most successively
Output, then control electromagnetic valve 1 and connect, and now branch road 1 is ventilated；After electromagnetic valve is connected, respective branch
Ventilation, the most automatically controlled pressure regulator valve carries out the regulation of air pressure；Pressure regulator valve panel according to baroceptor and
Temperature sensor detection obtains air pressure feedback correction value, and compares with air pressure setting value, it is judged that pressure
Whether power deviation delta P is less than tolerance e, if not then using pid algorithm to process, to automatically controlled
Pressure regulator valve controls to adjust further, and constantly circulation regulation is until meeting pressure requirements, reaches more with this
Accurate pressure closed loop controls；If pressure divergence Δ P reaches tolerance e, then gas can be defeated by air pressure
Outlet output.
As it will be easily appreciated by one skilled in the art that and the foregoing is only presently preferred embodiments of the present invention,
Not in order to limit the present invention, all made within the spirit and principles in the present invention any amendment, etc.
With replacement and improvement etc., should be included within the scope of the present invention.
Claims (9)
1. one kind is applicable to Multifunctional, air pressure control system prepared by flexible electronic, it is characterised in that should
Control system includes source of the gas regulation unit, signal processing unit and signal feedback unit, wherein:
Source of the gas assembly that described source of the gas regulation unit includes being sequentially connected, electromagnetic valve component, automatically controlled pressure regulation
Valve module and air pressure outlet, the source of the gas of input, after source of the gas component filters processes, passes sequentially through electromagnetism
Valve module, automatically controlled valve module of voltage regulation and air pressure outlet, and exported by air pressure outlet；Described source of the gas
Regulation unit is provided with vacuum altogether and realizes loop, realizes three, loop go back to the existing loop of compacting and multichannel malleation
Road, to realize vacuum respectively, with pressing and the pressure output of multichannel malleation；
Described signal processing unit includes signal processor, solenoid valve controller and air conditioning system for aircraft cabin,
The control signal of input is after signal processor processes, it is thus achieved that solenoid valve control signal and pressure regulator valve control
Signal；Solenoid valve controller controls electromagnetic valve component according to solenoid valve control signal, with in control system
The break-make of gas circuit；Air conditioning system for aircraft cabin controls the regulation of automatically controlled valve module of voltage regulation according to pressure regulator valve control signal
Air pressure；
Described signal feedback unit includes temperature sensor and baroceptor assembly, and it is for by gas circuit
In air pressure corrected value feed back to signal processor, to realize the closed loop control of automatically controlled valve module of voltage regulation.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 1,
It is characterized in that, described electromagnetic valve component includes that multiple electromagnetic valve, described automatically controlled valve module of voltage regulation include
Multiple automatically controlled pressure regulator valves, described baroceptor assembly includes multiple baroceptor, described electromagnetic valve,
Automatically controlled pressure regulator valve and baroceptor one_to_one corresponding.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 2,
It is characterized in that, described vacuum realizes loop particularly as follows: air pressure is provided by the branch road of described source of the gas assembly,
And by the break-make of electromagnetic valve control gas circuit, it is after vacuum generator produces vacuum, then by automatically controlled pressure regulation
Valve regulation air pressure, wherein, electromagnetic valve is received air pressure transmission by solenoid valve controller control, automatically controlled pressure regulator valve
The air pressure corrected value of sensor and temperature sensor feedback, with the automatically controlled pressure regulator valve of closed loop control, last air pressure
Vacuum is exported by air pressure outlet.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 2,
It is characterized in that, described with being compacted existing loop particularly as follows: air pressure is provided by the branch road of source of the gas assembly, and
Being controlled the break-make of gas circuit by electromagnetic valve, then regulated air pressure by automatically controlled pressure regulator valve, wherein, electromagnetic valve is by electricity
Magnetic valve controller controls, and automatically controlled pressure regulator valve receives baroceptor and the air pressure school of temperature sensor feedback
On the occasion of, with the automatically controlled pressure regulator valve of closed loop control, last air pressure is divided into two branch roads, by two air pressure outputs
The air pressure that mouth output is identical.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 2,
It is characterized in that, described multichannel malleation realizes loop particularly as follows: air pressure is divided into multiple after source of the gas assembly
Branch road, and controlled gas path on-off by electromagnetic valve, then regulated air pressure, wherein, electromagnetism by automatically controlled pressure regulator valve
Valve is by solenoid valve controller control, automatically controlled pressure regulator valve reception baroceptor and temperature sensor feedback
Air pressure corrected value, with the automatically controlled pressure regulator valve of closed loop control, last air pressure is exported by air pressure outlet.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 5,
It is characterized in that, described solenoid valve control signal includes branch road break-make information, and described pressure regulator valve controls letter
Number include the pressure set points of each gas circuit.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 1,
It is characterized in that, the air pressure corrected value in described gas circuit is specially the air pressure value of feedback under temperature-compensating,
It obtains in the following way:
1) difference of true temperature and the reference temperature of temperature sensor is calculated:
DT=DT-TR；
Wherein, DTFor temperature sensor digital measurement of temperature value, TRFor reference temperature；
2) temperature compensation dosage 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 of baroceptor under calculating actual temperature:
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, DPDigital pressure measured value for baroceptor.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 7,
It is characterized in that, use pid algorithm control automatically controlled pressure regulator valve, be specially by air conditioning system for aircraft cabin according to
Air pressure setting value PnAnd air pressure value of feedback Pf, process through pid algorithm, drive automatically controlled pressure regulator valve, reach
The closed loop control of air pressure.
It is applicable to Multifunctional, air pressure control system prepared by flexible electronic the most as claimed in claim 8,
It is characterized in that, described by air conditioning system for aircraft cabin according to air pressure setting value PnAnd air pressure value of feedback Pf, warp
Pid algorithm processes, and drives automatically controlled pressure regulator valve, reaches the closed loop control of air pressure, specifically include:
Input control signal, it is judged that whether each way solenoid valve is connected, the branch road that electromagnetic valve is connected
Ventilate, then utilize automatically controlled pressure regulator valve to regulate air pressure；Panel in automatically controlled pressure regulator valve is according to gas
Pressure sensor and temperature sensor detection obtain air pressure value of feedback and compare with air pressure setting value, it is judged that
Whether pressure divergence Δ P is less than tolerance e；If it is not, then use pid algorithm to process, right
Automatically controlled pressure regulator valve is controlled adjusting, 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, then gas is defeated by air pressure outlet
Go out.
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 |
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| 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 |
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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 |
| CN110987604A (en) * | 2019-12-18 | 2020-04-10 | 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 |
| CN112835392A (en) * | 2021-01-04 | 2021-05-25 | 海门市帕源路桥建设有限公司 | Pneumatic pressure automatic control system |
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| CN112835392A (en) * | 2021-01-04 | 2021-05-25 | 海门市帕源路桥建设有限公司 | Pneumatic pressure automatic control system |
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| CN105840597B (en) | 2017-10-13 |
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