CN108614592A - A kind of electronic pressure controller device - Google Patents
A kind of electronic pressure controller device Download PDFInfo
- Publication number
- CN108614592A CN108614592A CN201810543902.8A CN201810543902A CN108614592A CN 108614592 A CN108614592 A CN 108614592A CN 201810543902 A CN201810543902 A CN 201810543902A CN 108614592 A CN108614592 A CN 108614592A
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- CN
- China
- Prior art keywords
- circuit module
- signal
- electronic pressure
- acquisition
- controller device
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D16/00—Control of fluid pressure
- G05D16/20—Control of fluid pressure characterised by the use of electric means
- G05D16/2006—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means
- G05D16/2013—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means
- G05D16/2026—Control of fluid pressure characterised by the use of electric means with direct action of electric energy on controlling means using throttling means as controlling means with a plurality of throttling means
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
The present invention relates to a kind of electronic pressure controller devices, are mainly used in pressure controling signal processing technology field, to realize that the purpose of remote Quick-acting control valve door, the cardinal principle structure of the system include：Analog-digital converter circuit module, RS485 interface modules, main controller circuit module, valve controling circuit module, the main controller circuit module described in power management module are the acquisition and data processing by chip microcontroller signal, the sensor signal that acquisition comes is handled, generate corresponding control signal, acquisition analog quantity is carried out necessary data quick-processing by this, to realize telecommunication control.
Description
Technical field
The present invention relates to pressure controling signal processing technology field more particularly to a kind of electronic pressure controller devices.
Background technology
With the development of automatic control technology, accurate air pressure generation and the application of control technology are more and more extensive, traditional
Valve positioner control accuracy is inadequate, and the speed of service is slow, inconvenient for operation and expensive, has been unable to meet this respect
It is required that designing thus a at low cost, have a wide range of application, it can be achieved that far distance controlled, to promote us to focus in the design
In improving on anti-interference ability, to develop the electronic pressure controller device of a control accuracy height, fast response time.
Invention content
The purpose of the invention is to carry out DATA REASONING and data processing, needle convenient for one stable pressure value of output
Necessary data quick-processing is carried out to hardware acquisition analog quantity, to propose to have developed a kind of electronic pressure controller device.
To achieve the above object, the present invention provides the following technical solutions：
This pressure controller device includes：Analog-digital converter circuit module, RS485 interface modules, master controller
Circuit module, valve controling circuit module, power management module, wherein：Analog-digital converter circuit module will be for realizing will acquire
The signal come carries out digital conversion, to be controlled accordingly；RS485 interface modules set for realizing host computer parameter
Fixed communication, realizes far distance controlled；Main controller circuit module carries out data processing fortune for realizing acquisition sensor signal
It calculates；Valve controling circuit module is used to the pwm pulse signal of control output being transferred to module, for controlling corresponding valve；
Power management module is used to power to modules, ensures system steady operation.
The analog-digital converter circuit module realizes that process is：16 are used to carry out phase for A/D converter and D/A converter
The Analog-digital Converter answered, to by microcontroller control and the output of pressure parameter.
The RS485 interface modules realize that process is：There to be MAX485 to be communicated with ARM chip microcontrollers, then
Ensure that the signal of output realizes telecommunication by 485 communication chips.
The main controller circuit module realizes that process is：Using the acquisition sum number of 32 ARM chip microcontroller signals
According to processing, the sensor signal that acquisition comes is handled, generates corresponding control signal.
The valve controling circuit module realizes that process is：The PWM waveform that will be exported by master controller, through signal isolation
Corresponding waveform is exported, corresponding valve is controlled and quickly opens and closes.
The power management module realizes that process is：By linear power supply chip LM1117-3.3V and LM7805 power supply chip
Power supply, ensure each system module can steady operation, to ensure system reliability service.
Via said program it is found that the present invention has the following advantages that compared with prior art：
(1) present invention realizes telecommunication transmission control in the design, can by upper computer software parameter setting, into
Row control, and the device, simple in structure, output are stablized, precision height, good reliability.
(2) present invention realizes closed loop control module in the design, and the signal of the data-signal and control that ensure acquisition passes through
Quick response before and after setting value, output data is stablized, and strong interference immunity, output more purified signal.
(3) present invention has used over-voltage over-current protection in the design process, simplifies the design structure of equipment, just for equipment
Taking provides technical support, and easy to operate, effect of visualization is good, and hardware system cooperation is perfect, meets various working environments use,
It is safeguarded convenient for debugging, the detection to industrial instruments.
Description of the drawings
Fig. 1 is a kind of schematic block circuit diagram of electronic pressure controller device of the present invention；
Specific implementation mode
As shown in Figure 1, the module of the electronic pressure controller device of the present invention includes mainly：Analog-digital converter circuit module
11, RS485 interface modules 12, main controller circuit module 13, valve controling circuit module 14,15 groups of power management module
At.Wherein the physical circuit connection structure of each section and connection relation are as follows：
Analog-digital converter circuit module 11 mainly carries out corresponding simulation numeral by 16 for A/D converter and D/A converter
Conversion, to by microcontroller control and the output of pressure parameter.
RS485 interface modules 12 are mainly communicated by MAX485 with ARM chip microcontrollers, then pass through 485 communication cores
Piece ensures that the signal of output realizes telecommunication.
Main controller circuit module 13 by the acquisition and data processing of 32 ARM chip microcontroller signals, will mainly acquire
The sensor signal come is handled, and corresponding control signal is generated.
The PWM waveform that valve controling circuit module 14 is mainly exported by master controller exports corresponding wave through signal isolation
Shape controls corresponding valve and quickly opens and closes.
Power management module 15 is mainly powered by linear power supply chip LM1117-3.3V and LM7805 power supply chip, is ensured
Each system module can steady operation, to ensure system reliability service.
Claims (6)
1. a kind of electronic pressure controller device, which is characterized in that analog-digital converter circuit module, RS485 interface modules,
Main controller circuit module, valve controling circuit module, power management module, wherein：Analog-digital converter circuit module is for real
The signal that now acquisition is come carries out digital conversion, to be controlled accordingly；RS485 interface modules are for realizing upper
Machine parameter setting communicates, and realizes far distance controlled；Main controller circuit module carries out data for realizing acquisition sensor signal
Handle operation；Valve controling circuit module is used to the pwm pulse signal of control output being transferred to module, corresponding for controlling
Valve；Power management module is used to power to modules, ensures system steady operation.
2. electronic pressure controller device according to claim 1, it is characterised in that the analog-digital converter circuit mould
Block realizes that process is：16 are used to carry out corresponding Analog-digital Converter for A/D converter and D/A converter, to by microcontroller
Control and the output of pressure parameter.
3. electronic pressure controller device according to claim 1, it is characterised in that the RS485 interface modules
Realization process is：There to be MAX485 to be communicated with ARM chip microcontrollers, and then ensure that the signal of output will be real by 485 communication chips
Existing telecommunication.
4. electronic pressure controller device according to claim 1, it is characterised in that the main controller circuit module
Realization process is：Using the acquisition and data processing of 32 ARM chip microcontroller signals, the sensor signal that acquisition is come carries out
Processing generates corresponding control signal.
5. electronic pressure controller device according to claim 1, it is characterised in that the valve controling circuit module
Realization process is：The PWM waveform that will be exported by master controller exports corresponding waveform through signal isolation, controls corresponding valve
Quickly open and close.
6. electronic pressure controller device according to claim 1, it is characterised in that the power management module was realized
Cheng Wei：It is powered by linear power supply chip LM1117-3.3V and LM7805 power supply chip, ensures that each system module can stablize work
Make, to ensure system reliability service.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543902.8A CN108614592A (en) | 2018-05-31 | 2018-05-31 | A kind of electronic pressure controller device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810543902.8A CN108614592A (en) | 2018-05-31 | 2018-05-31 | A kind of electronic pressure controller device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108614592A true CN108614592A (en) | 2018-10-02 |
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ID=63664492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810543902.8A Pending CN108614592A (en) | 2018-05-31 | 2018-05-31 | A kind of electronic pressure controller device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108614592A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050085960A1 (en) * | 2000-09-15 | 2005-04-21 | Lumbis Anthony W. | Car control device electronics |
| CN201177766Y (en) * | 2008-04-24 | 2009-01-07 | 上海科系思工业设备有限公司 | Electronic pressure controller based on PID control algorithm |
| CN203963225U (en) * | 2014-04-25 | 2014-11-26 | 大连工业大学 | Intelligent valve positioner controller |
| WO2016154242A1 (en) * | 2015-03-23 | 2016-09-29 | Fisher Controls International Llc | Integrated process controller with loop and valve control capability |
| CN205896205U (en) * | 2016-08-23 | 2017-01-18 | 无锡隆盛科技股份有限公司 | Intelligent butterfly valve by CAN bus communication |
-
2018
- 2018-05-31 CN CN201810543902.8A patent/CN108614592A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050085960A1 (en) * | 2000-09-15 | 2005-04-21 | Lumbis Anthony W. | Car control device electronics |
| CN201177766Y (en) * | 2008-04-24 | 2009-01-07 | 上海科系思工业设备有限公司 | Electronic pressure controller based on PID control algorithm |
| CN203963225U (en) * | 2014-04-25 | 2014-11-26 | 大连工业大学 | Intelligent valve positioner controller |
| WO2016154242A1 (en) * | 2015-03-23 | 2016-09-29 | Fisher Controls International Llc | Integrated process controller with loop and valve control capability |
| CN205896205U (en) * | 2016-08-23 | 2017-01-18 | 无锡隆盛科技股份有限公司 | Intelligent butterfly valve by CAN bus communication |
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Application publication date: 20181002 |
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