CN104699024A - Multifunctional process monitoring system - Google Patents
Multifunctional process monitoring system Download PDFInfo
- Publication number
- CN104699024A CN104699024A CN201310664066.6A CN201310664066A CN104699024A CN 104699024 A CN104699024 A CN 104699024A CN 201310664066 A CN201310664066 A CN 201310664066A CN 104699024 A CN104699024 A CN 104699024A
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- China
- Prior art keywords
- parameter
- control
- screen
- touch
- controller
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/4183—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by data acquisition, e.g. workpiece identification
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM]
- G05B19/41845—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS], computer integrated manufacturing [CIM] characterised by system universality, reconfigurability, modularity
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention discloses a multifunctional process monitoring system. The multifunctional process monitoring system is characterized in that a parameter sensing unit is connected with a touch screen and receives multiple paths of parameter signals; a controller communicates with the touch screen in a real time and receives the parameter signals processed by the touch screen; measuring parameters are displayed and recorded on the touch screen, parameter setting is completed on the touch screen by inputting, and the controller receives a parameter setting signal from the touch screen, converts a difference value signal into a parameter control signal through PID or intelligent control calculation, and outputs the parameter control signal; the control signal drives an executing unit to control the openness of a valve, on and off of a switch and power magnitude so as to achieve precise parameter control. A parameter control process parameter curve can be set on the touch screen, a parameter measuring value curve is also displayed on the touch screen, and the two curves of the setting parameter SV and the measuring parameter SV are displayed and compared in the same coordinate graph in real time. The alarm value and other control parameters can be set and modified in real time. The multifunctional process monitoring system is simple to operate, and clear, transparent and visual in control process.
Description
Technical field
The present invention relates to industrial process state modulator technical field, be specifically related to, in a kind of industrial processes control, the parameters such as temperature, pressure and flow be realized to the system of multi-functional control and record.
Background technology
At present in the controls such as temperature, pressure and flow, the direct digital controller that main employing is traditional.Direct digital controller can meet the simple or complicated control overflow of major part.But along with the development of industrial technology, promote on the one hand control overflow higher, require that again control is easily understood on the other hand, wish that human-computer exchange will be clear that, intuitively.Obviously, direct digital controller has certain shortcoming and deficiency in this respect.
At some, special occasion is required to procedure parameter (as: temperature); the heat treatment process of such as workpiece; need to adopt different processing technology temperature in the different time periods continuously; if adopt temperature control instrument to realize; certain difficulty will be brought; also be difficult to increase some additional control functions, often understand maloperation, thus be difficult to ensure crudy.
Based on above-mentioned present situation, exploitation one can realize industrial process parameter multi-functional control, and the friendly and system intuitively of human-computer exchange, just become the active demand of industry.
Summary of the invention
For the above-mentioned defect that existing direct digital controller exists, applicant, through Improvement, provides a kind of defect that can overcome direct digital controller, strengthens man-machine close friend and exchanges, make reliable multi-functional PMS simple to operation.
Technical scheme of the present invention is as follows:
A kind of multi-functional PMS, comprises touch-screen, controller, multiple parameter sensing unit and multiple performance element; Described parameter sensing unit detects the procedure parameter comprising temperature, pressure and flow, each parameter sensing unit is connected with touch-screen, described touch-screen receives the process parameter signals that each parameter sensing unit is sent here, show record in real time on the touchscreen, the setting of procedure parameter has inputted on the touchscreen; Described controller is connected with touch-screen, carries out real-time communication, and controller receives the parameter signal from touch-screen, carries out PID or Based Intelligent Control calculating, difference signal is converted to control signal and exports in controller; The control signal exported by controller drives described performance element, the size of each aperture of performance element by-pass valve control, the break-make of switch and power, reaches the accurate control of procedure parameter.
Its further technical scheme is: described touch-screen adopts the touch-screen of colored band 2 PORT COM functions, carry out the signal storage of autoregressive parameter sensing unit in touch-screen, after Program transformation, display on the touchscreen, the state modulator technological parameter of input is stored in internal memory, by programming, be converted into curve, display on the touchscreen.
Its further technical scheme is: described controller adopts Programmable Logic Controller, possesses communication function.
Its further technical scheme is: described parameter sensing unit has function parameter signal being converted to standard signal, and has communication function.
Its further technical scheme is: described performance element adopts electric power pressure regulation power regulating eqiupment, air gas flow actuator or solenoid valve.
Its further technical scheme is: the content of described touch-screen display comprises setup parameter SV and measurement parameter PV two curves, and described two curves show in real time in same coordinate diagram.
Its further technical scheme is: the procedure parameter of described controller controls have setting control and curve controlled two kinds of control models.
Advantageous Effects of the present invention is:
Compared with the prior art, structure is simple, perfect in shape and function in the present invention; Visualisation parameters operates, simple and reliable; Process control visual clarity; Be convenient to remote monitoring and be easy to device extension; Be applicable to multichannel procedure parameter to control, cost performance is higher.
1, parameter sensing unit is connected with touch-screen, and touch-screen receiving course parameter signal, shows record on the touchscreen in real time, and the setting of procedure parameter has also inputted on the touchscreen.Controller and touch-screen carry out real-time communication, and controller receives the parameter signal from touch-screen, calculate through PID or Based Intelligent Control, difference signal is converted to control signal and exports.Performance element is driven, the size etc. of the aperture of performance element by-pass valve control, the break-make of switch and power by control signal, thus the accurate control of implementation procedure parameter.
2, on the touchscreen can setting up procedure state modulator technological parameter, input one section, show one section, automatic formation curve, clear directly perceived.The measured value curve of procedure parameter shows on the touchscreen equally in real time, and setup parameter SV and measurement parameter PV two curves show in real time in same coordinate diagram.Alarming value and other controling parameters can arrange amendment flexibly in real time.
3, parameter sensing unit connects with touch-screen, and is not connected with controller.Touch-screen has stronger communication function and memory headroom, can receive multichannel process parameter signals and unrestricted.Because directly not accepting parameter signal, do not take controller resource, therefore not high to the performance requirement of controller, generally universally just can to meet the demands.When system needs expansion, just can realize without the need to doing larger variation.
4, setup parameter SV and measurement parameter PV two curves, can show in real time simultaneously compare in a coordinate diagram.And there is the operation of setup parameter process curve, time-out and hold function.
5, the procedure parameter of system controls have setting control and curve controlled two kinds of control models.
6, on touch-screen picture, can measurement parameter upper and lower limit alarming value and deviate be arranged and be revised, and the duty (as: open and close, output valve, work, fault etc.) of performance element can be shown.
7, on touch-screen picture, real time recording process supplemental characteristic, with the form such as form and curve recording parameters and long-term storage history data.By serial ports, data or print data can be exported.
Advantage of the present invention provides in the description of embodiment part below, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the block diagram of system of the present invention.
Fig. 2 is that process curve of the present invention arranges figure.
Fig. 3 is operational process thetagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described further.
Explain for temperature modal in procedure parameter below.
As shown in Figure 1, the present invention includes touch-screen, controller, multiple parameter sensing unit 1-N and multiple performance element 1-N.Touch-screen is connected with parameter sensing unit, is connected with controller, and controller is connected with touch-screen, be connected with performance element.Touch-screen adopts the touch-screen of colored band 2 PORT COM functions, carry out the signal storage of autoregressive parameter sensing unit in touch-screen, after Program transformation, display on the touchscreen, the state modulator technological parameter of input is stored in internal memory, by programming, be converted into curve, display on the touchscreen.Controller can select Programmable Logic Controller both domestic and external, possesses communication function.Parameter sensing unit has function parameter signal being converted to standard signal, and has communication function.Performance element can be electric power pressure regulation power regulating eqiupment, air gas flow actuator or solenoid valve etc.
In the present embodiment, parameter sensing unit is temperature sensing unit, and temperature sensing unit utilizes thermal resistance or thermopair, the temperature signal detected is converted to voltage signal, after amplification, filtering and compensation, then be converted to digital signal, through serial ports, temperature data sent to touch-screen.
As shown in Figure 2, after touch-screen receives temperature data, be kept in corresponding internal memory.After Program transformation, temperature value shows on the touchscreen.In temperature curve setting screen on the touchscreen, key in the technological temperature parameter needed for workpiece, comprise target temperature, heat time.Need to arrange corresponding step hop count according to technique.Be provided with after determining, with regard to automatic generating process curve in temperature, time coordinate figure.
Controller receives the temperature data from touch-screen, distributes to corresponding parameter, carries out control preliminary work.When meeting heating condition, when comprising the interlocking signal of external device, controller performs the control algolithm designed according to temperature difference signal, exports control signal, promotes performance element work.In temperature controlled processes, when running into the time-out heating work of needs midway, only need press heating pause button on the touchscreen.System provides control progress information, comprising: the heat time, current design temperature, heated condition (heating up or insulation), excess time etc.System has two kinds of temperature control modes: setting control and curve controlled, needs to select working method according to technique.Set temperature upper and lower limit or deviate parameter, ensure system stability reliably working.Can arrange on the touchscreen, revise parameter required in temperature control algorithm, as: P, I, D etc.
As shown in Figure 3, in system operation, obtain thetagram and data form.Exported by serial ports.
Above-described is only the preferred embodiment of the present invention, the invention is not restricted to above embodiment.Be appreciated that the oher improvements and changes that those skilled in the art directly derive without departing from the basic idea of the present invention or associate, all should think and be included within protection scope of the present invention.
Claims (7)
1. a multi-functional PMS, is characterized in that: comprise touch-screen, controller, multiple parameter sensing unit and multiple performance element; Described parameter sensing unit detects the procedure parameter comprising temperature, pressure and flow, each parameter sensing unit is connected with touch-screen, described touch-screen receives the process parameter signals that each parameter sensing unit is sent here, show record in real time on the touchscreen, the setting of procedure parameter has inputted on the touchscreen; Described controller is connected with touch-screen, carries out real-time communication, and controller receives the parameter signal from touch-screen, carries out PID or Based Intelligent Control calculating, difference signal is converted to control signal and exports in controller; The control signal exported by controller drives described performance element, the size of each aperture of performance element by-pass valve control, the break-make of switch and power, reaches the accurate control of procedure parameter.
2. multi-functional PMS according to claim 1, it is characterized in that: described touch-screen adopts the touch-screen of colored band 2 PORT COM functions, carry out the signal storage of autoregressive parameter sensing unit in touch-screen, after Program transformation, on the touchscreen, the state modulator technological parameter of input is stored in internal memory, by programming in display, be converted into curve, display on the touchscreen.
3. multi-functional PMS according to claim 1, is characterized in that: described controller adopts Programmable Logic Controller, possesses communication function.
4. multi-functional PMS according to claim 1, is characterized in that: described parameter sensing unit has function parameter signal being converted to standard signal, and has communication function.
5. multi-functional PMS according to claim 1, is characterized in that: described performance element adopts electric power pressure regulation power regulating eqiupment, air gas flow actuator or solenoid valve.
6. multi-functional PMS according to claim 1, is characterized in that: the content of described touch-screen display comprises setup parameter SV and measurement parameter PV two curves, and described two curves show in real time in same coordinate diagram.
7. multi-functional PMS according to claim 1, is characterized in that: the procedure parameter of described controller controls have setting control and curve controlled two kinds of control models.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664066.6A CN104699024A (en) | 2013-12-09 | 2013-12-09 | Multifunctional process monitoring system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310664066.6A CN104699024A (en) | 2013-12-09 | 2013-12-09 | Multifunctional process monitoring system |
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| CN104699024A true CN104699024A (en) | 2015-06-10 |
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| CN201310664066.6A Pending CN104699024A (en) | 2013-12-09 | 2013-12-09 | Multifunctional process monitoring system |
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Citations (3)
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|---|---|---|---|---|
| WO2001050209A1 (en) * | 1999-12-30 | 2001-07-12 | General Electric Company | Method and system for monitoring production data |
| CN201680402U (en) * | 2009-12-18 | 2010-12-22 | 姜竹军 | Dual-swivel steady flow scattered pulverized coal automatic control burning device |
| CN102865584A (en) * | 2011-07-07 | 2013-01-09 | 深圳市天亚建筑环境科技有限公司 | Serial L-shaped non-phase change superconducting heat pipe heat recovery type volatile organic chemicals (VOCs) incinerator |
-
2013
- 2013-12-09 CN CN201310664066.6A patent/CN104699024A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001050209A1 (en) * | 1999-12-30 | 2001-07-12 | General Electric Company | Method and system for monitoring production data |
| CN201680402U (en) * | 2009-12-18 | 2010-12-22 | 姜竹军 | Dual-swivel steady flow scattered pulverized coal automatic control burning device |
| CN102865584A (en) * | 2011-07-07 | 2013-01-09 | 深圳市天亚建筑环境科技有限公司 | Serial L-shaped non-phase change superconducting heat pipe heat recovery type volatile organic chemicals (VOCs) incinerator |
Non-Patent Citations (3)
| Title |
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| 程志庭: "脉冲理论在原料燃烧和压力控制中的应用", 《工程建设与设计》 * |
| 程志庭等: "燃烧炉温度及压力控制系统设计", 《工业加热》 * |
| 程志庭等: "脉冲燃烧控制在台车式热处理炉上的应用", 《工业加热》 * |
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Application publication date: 20150610 |