CN203773846U - Process control practical training device - Google Patents
Process control practical training device Download PDFInfo
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- CN203773846U CN203773846U CN201420078986.XU CN201420078986U CN203773846U CN 203773846 U CN203773846 U CN 203773846U CN 201420078986 U CN201420078986 U CN 201420078986U CN 203773846 U CN203773846 U CN 203773846U
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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]
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Abstract
The utility model discloses a process control practical training device which comprises a control cabinet, a process control unit, a practical training platform and a computer table. The practical training device is a physical simulation object based on the industrial process and is a multifunctional practical training device which integrates automation instrument technologies, computer technologies and communication technologies, automatic control technologies into one body. The device comprises thermal parameters such as the temperature, the pressure, the flow rate, the liquid level and the like, and can realize various control modes of system parameter identification, single circuit control, cascade control, value comparison and lagging. Various control systems such as a DDC system, a DCS, a PLC system and an FCS. The experimental device not only can act as an experimental device for a process control course in undergraduate universities, junior colleges and higher vocational colleges, but also can provide a physical simulation object and an experimental means for postgraduates and researchers in researching a complex control system and an advanced control system.
Description
Technical field
The utility model relates to a kind of process control actual training device, there are the various control systems such as computing machine, PLC, DCS, FCS, relate to production run continuous or that undertaken by some cycles program in the commercial production such as oil, chemical industry, electric power, metallurgy, light industry, building materials, nuclear energy and automatically control, it is the important component part of automatic technology.In modernization industry production run, process control technology for realize various optimums technical economical index, increase economic efficiency and labour productivity, the aspect such as improve working conditions, preserve the ecological environment play a part increasing.
Background technology
In teaching equipment, process control actual training device is often controlled automatically with production run continuous or that undertaken by some cycles program in the productions such as temperature, pressure, flow, liquid level at present, and it is the important component part of automatic technology.Process control is the comprehensive stronger specialized course of of the relevant specialities such as robotization, the teaching of present stage process control exists theory and practice and contacts tight, the visual and understandable not shortcoming of teaching, and the relatively costly floor area of engineering equipment cost is large, so be badly in need of a kind of actual training device, can meet the needs of teaching.
Summary of the invention
The technical matters that the utility model mainly solves is to provide a kind of process control actual training device, and actual training device relates to process control knowledge, PLC knowledge, control instrument knowledge, DCS knowledge, configuration software knowledge.Actual training device can be controlled and the thermal parameter such as detected temperatures, pressure, flow, liquid level by various control systems such as computing machine, PLC, DCS, FCS.Actual training device is visual in image, and operation and line are simple, facilitated student do it yourself, for the real training problem of various control modes, student can be digested multiple relevant technology in study at ordinary times and training operation.Realizing actual hands-on is perceptual understanding abstract theoretical conversion.
The utility model adopts following technical scheme to realize goal of the invention:
A process control actual training device, it is by switch board, process control unit, computer desk, composition of the control system.Switch board and process control unit bottom are all provided with castor and lower margin, and computer desk bottom is provided with castor, and computer desk is positioned between process control unit and switch board, handled easily switch board and observation state of a control.Process control actual training device mainly completes the collection to signals such as temperature, pressure, flow and liquid levels, is converted to the digital quantity signal of CPU, the identification of upper function by acquisition module, by control system, is calculated and is processed, and completes different experiment contents.For example analog output module is controlled corresponding well heater, water pump, variable valve, along with varying in size of flow output, temperature also changes at any time, at this moment the decline of liquid level or rising all can change reduction or the rising of pressure, and this PID that has just formed proportional integral derivative regulates.Control system comprises PLC system, instrument system, configuration software and DCS system.PLC system comprises CPU main control unit, PLC switching input module, PLC switching value output module, PLC analog input module, PLC analog output module, PLC downloading wire and programming software.Master system comprises configuration software, acquisition module and connection.DCS system comprises DCS analog input module, analog output module, bitcom and corresponding connection.
Process control unit, it is comprised of aluminium section bar, desktop, mesh plate, boiler, upper water box, lower header, reserve tank, temperature sensor, pressure unit, flowmeter, electric control valve, valve, joint and pipeline etc.The skeleton of process control unit adopts anodised aluminium section bar to build, desktop adopts stainless-steel sheet to process, mesh plate is arranged on the blue column of the left and right sides by mounting bracket and screw, boiler, upper water box, lower header is arranged on mesh plate, reserve tank and electric control valve are arranged on the base plate of process control unit, temperature sensor is arranged on boiler for measuring the water temperature in boiler, pressure transducer is arranged on pipeline or water tank for measuring hydraulic pressure, thereby electric control valve is arranged on pipeline for regulating the aperture of pipeline valve to control pressure or the flow of water in pipeline.Reserve tank is the water system of whole device, and it is comprised of left and right sides branch line and a water return pipeline.We first design right branch: right side pipeline, through a hand threshold switch a, is then received right side pump entrance end.Water delivery side of pump is divided into again two branch roads: the first branch road is through pressure display table, handle again valve b and another branch road and handle valve c, again through electric control valve, then handle valve d, then converge and form shunt circuit with the first branch road, the input end of flow sensor is received in this two branch roads unification, its output terminal is received the inlet side of pressure unit, and at this moment the output terminal of pressure unit is divided into again two branch roads, and a branch road is received in the outer barrel of boiler, the water of outer barrel gives interior bucket cooling, and the interior bucket of boiler is received on another road.When the water level of outer barrel is after upper end liquid level sensor detects, starting draining directly gets back in reserve tank by return pipe, barreled having heaters, temperature sensor, liquid level sensor simultaneously, water temperature, the liquid level situation of bucket in their three's co-controllings, when the temperature of interior barrel reaches after setting value, the water drain valve of interior bucket is opened automatically, and the water of interior bucket is back in reserve tank, it is synchronous so just having guaranteed to discharge water and intake, and just forms a totally enclosed automatic cycle loop.After right branch has designed, we design left branch again: left side pipeline, through a hand threshold switch e, is then received left side pump entrance end.Water delivery side of pump is divided into again three branch roads, the first branch road is handled the bottom, left side that threshold switch f directly enters lower header, the second branch road is handled the left bottom that threshold switch g directly enters upper water box, the 3rd branch road is handled in the interior bucket that threshold switch h is linked into boiler, and same left side pipeline also forms a totally enclosed automatic cycle loop.
Switch board comprises master control power module, DC power supplier, heating control module, intelligent instrument control module, analog input module, analog output module, equipment interconnecting module and frequency converter module.Master control power module can be realized and can realize power phase protection, power phase shortage protection, power supply overvoltage and o-volt protection, emergency stop switch protection, the upper electric protection of power-off mistake, electric leakage automatic trip protection, overload and short-circuit protection, the independently-powered protection of computing machine to the operation of the power supply supply of process control unit and protection, general electrical equipment and unique circuit design.DC power supplier is mainly used in providing direct current 24V power supply, heating control module to be mainly used in adding heat control and signals collecting.Intelligent instrument module is mainly used in instrument and controls and signals collecting.Analog input module is mainly used in the collection of analog signals.Analog output module is mainly used in the output of analog signals.Frequency converter module is mainly used in controlling water pump.Equipment interconnecting module is mainly that the connection terminal of all electric elements on process control unit is extracted and facilitates wiring.The outlet of each module all adopts K3 or the K4 terminal of standard, and the connection between each module adopts banana plug to connect in addition.Switch board Qianmen adopts tempered glass to make, the convenient internal component of observing; The switch board left and right sides all adopts the door mechanism of open-type, convenient observation components and parts and wiring; Switch board back door adopts type of push and pull up down structure, facilitates opening and closing also to facilitate the layout of Whole Equipment circuit and later maintenance.
Mesh plate, adopts unique design concept, rectangle mounting hole, through the pitch of holes that repeatedly theory and practice is verified, is 30mm, makes various real training experimental facilitiess facilitate installation and removal, reasonably ground protection measure, and Wiring technique is more convenient simple.
As the technical program is further limited, described castor, through load-bearing test and other test of correlation, makes its integral experiment device can realize single mobile device, has facilitated the transportation of actual training device and the movement of position.Castor is installed on respectively the bottom of process control unit, switch board and computer desk.
As the technical program is further limited, described lower margin, has installed lower margin at actual training device gravity support point, even if make actual training device also can keep certain levelness on uneven ground.And can prevent that in experimentation, actual training device is subject to external force, and cause mobile or shake suddenly, prevented the danger that real training experimental facilities surprisingly drops and damages.Lower margin is installed on bottom load-bearing place of process control unit and switch board.
As the technical program is further limited, described computer desk, by switch board Power supply independently, miscellaneous equipment short circuit or break down, can not affect the normal power supply of computing machine.Unique boarding can electrostatic prevention.
Compared with prior art, this uses novel advantage and good effect to be: switch board and process control unit separately, have arrived the object of water power isolation conscientiously; All devices on this actual training device causes equipment interconnecting device, by aviation plug, is connected with the equipment interconnecting module on switch board; The dismounting arbitrarily of module in this actual training device switch board and replacing, convenient different PLC, frequency converter, control instrument and the DCS collecting device of different manufacturers type of installing; This actual training device can facilitate shift position by castor; The computer desk of this actual training device is desktop computer and notebook dual-purpose type, by castor, can facilitate shift position.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is switch board structural representation.
Fig. 3 is process control unit structural representation.
Fig. 4 is lower margin and Castor structure schematic diagram.
Fig. 5 is computer desk structure schematic diagram.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the utility model is further described in detail.
In figure, 1, process control unit, 2, switch board, 3, mesh plate, 4 temperature sensors, 5, boiler, 6, pipeline, 7, electric control valve, 8, water pump, 9, flow sensor, 10, lower margin, 11, castor, 12, upper water box, 13, level pressure sensor, 14 lower headers, 15, process control worktable, 16, tensimeter, 17, pressure transducer, 18, hand valve, 19, reserve tank, 20, master control power module, 21, DC power supplier, 22, heating control module, 23, intelligent instrument control module, 24, PLC control module, 25, analog input module, 26, analog output module, 27, frequency converter module, 28, equipment interconnecting module, 30, display put area, 31, keyboard and mouse put area, 32, main frame or instrument put area.
Below in conjunction with accompanying drawing and preferred enforcement, the utility model is further described in detail.
Referring to Fig. 1, the utility model comprises that process control unit 1 is for installation training laboratory heater, water pump, electric control valve; Switch board 2 is for installation control system.
Referring to Fig. 2, switch board partly comprises master control power module 20 for the whole power supply of opertaing device, and has the protection of overload, short circuit and electric leakage, and six spring hole scokets are used to computer that power supply is provided; DC power supplier 21 is used to sensor or execution unit that direct current 24V power supply is provided, and has short circuit and overload protection; Heating control module 22 is controlled heating tube by solid-state relay, adds heat control to the water in boiler, and temperature sensor is for detection of temperature, and voltage table shows heating voltage; Intelligent instrument module 23 through the corresponding well heater of PID s operation control, water pump, electric control valve, connects and composes blind controller system with computing machine according to the analog signals gathering; The digital quantity signal that PLC control module 24 gathers is controlled relevant device after setting program computing, also can, according to the analog signals gathering through the corresponding equipment of PID s operation control, connect and compose PLC control system with computing machine; Analog input module 25 gathers analog signals, by RS485 network, sends DCS system or configuration software to; The digital quantity signal that analog output module 26DCS or configuration software produce is that analog quantity is controlled corresponding equipment by this module converts; Frequency converter module 27 gathers switching value signal or analog signals is controlled water pump by presetting parameter, and water pump peace the set goal is moved; Equipment interconnecting module 28 is arranged in the connection terminal of the electric control valve on process control unit, temperature sensor, pressure transducer, flow sensor, water pump and well heater in module by K3 or K4 terminal, conveniently be connected with other modules, form various control system or network.
Referring to Fig. 3, mesh plate 3 mesh plates are fixed on the blue column of the left and right sides, lintel plate is arranged at its top, and there is process control worktable lower end, is mainly used in installing boiler, upper water box, lower header, pressure transducer, valve, joint and pipeline and fixed power source line, signal wire and connection; Temperature sensor 4 is for measuring the water temperature in boiler; Boiler 5 is for carrying water, for heating or the experiment that lags behind; Pipeline 6 is for connecting reserve tank, upper water box, lower header, boiler, water pump, tensimeter, flow valve, electric control valve; Electric control valve 7 is by-pass valve control aperture and measurement valve current location manually or automatically; Water pump 8 is given upper water box, lower header, boiler water supply; Flow sensor 9 is for measuring the real-time traffic in pipeline and showing by display; The storage that upper water box 12 is water provides space, and has water inlet, freeing port and overflow vent; Level pressure sensor 13 is for measuring high water tank height; The storage that lower header 14 is water provides space, and has water inlet, freeing port and overflow vent; Process control unit worktable 15 is placed experiment measurement of correlation instrument and operation related accessory for real training experiment; Tensimeter 16 is for measuring and showing the pressure on pipeline; Pressure transducer 17 is for measuring the hydraulic pressure in pipeline; Hand valve 18 is for manually opened or blind off a line; Reserve tank 19 provides water source for the continuous operation of device, and by the water in upper water box, lower header, boiler by discharge pipe line, form a totally enclosed closed circuit.
Referring to Fig. 4, castor and foot section, ground, castor 11 adopts high strength load-bearing materials to make, and can bear the gravity of many times of process control units, switch board, and convenient mobile, and single is removable Practical training equipment, without many people, lifts equipment.Lower margin 10 adopts special screw to add rubber blanket and makes, and screw can support the gravity of integral device, in the place of ground injustice, by adjusting the height of four jiaos of screws, can make process control unit keep certain levelness; Rubber blanket can keep the clean of ground, makes screw not damage ground.
Referring to Fig. 5, computer desk part, display put area 30 adopts the combination of steel construction and fireproof wood block, and steel construction is placed in lower floor and plays load-bearing effect, fireproof wood block is placed in upper strata and plays the effect that beautifies fire insulation, for placing computer monitor or notebook computer; Keyboard and mouse put area 31 adopts drawer-type structure, and the used time pulls out, and the used time does not push in, and saves space, for holding keyboard and mouse; Main frame or instrument put area 33 are for placing main frame or placing the real training temporary transient no equipment of experiment or instrument; Castor 11, for carrying the weight of computer desk, facilitates Mobile computer desk.
Claims (4)
1. a process control actual training device, is characterized in that: described actual training device comprises switch board, process control unit, computer desk, control system, switch board and process control unit bottom are all provided with castor and lower margin, and computer desk bottom is provided with castor, and computer desk is positioned between process control unit and switch board, handled easily switch board and observation state of a control, process control actual training device mainly completes temperature, pressure, the collection of the signal such as flow and liquid level, is converted to CPU by acquisition module, the digital quantity signal of upper function identification, is calculated and is processed by control system, completes different experiment contents, and wherein analog output module is controlled corresponding well heater, water pump, variable valve, along with varying in size of flow output, temperature also changes at any time, and the at this moment decline of liquid level or rising all can change reduction or the rising of pressure, and this PID that has just formed proportional integral derivative regulates, and control system comprises PLC system, instrument system, configuration software and DCS system, PLC system comprises CPU main control unit, PLC switching input module, PLC switching value output module, PLC analog input module, PLC analog output module, PLC downloading wire and programming software, master system comprises configuration software, acquisition module and connection, DCS system comprises DCS analog input module, analog output module, bitcom and corresponding connection.
2. actual training device according to claim 1, is characterized in that: described switch board, comprises master control power module, DC power supplier, heating control module, intelligent instrument control module, analog input module, analog output module, equipment interconnecting module and frequency converter module, master control power module can be realized operation and the protection to the power supply supply of process control unit, general electrical equipment and unique circuit design can realize power phase protection, power phase shortage protection, power supply overvoltage and o-volt protection, emergency stop switch protection, the upper electric protection of power-off mistake, electric leakage automatic trip protection, overload and short-circuit protection, the independently-powered protection of computing machine, DC power supplier is mainly used in providing direct current 24V power supply, heating control module is mainly used in adding heat control and signals collecting, intelligent instrument module is mainly used in instrument and controls and signals collecting, analog input module is mainly used in the collection of analog signals, analog output module is mainly used in the output of analog signals, frequency converter module is mainly used in controlling water pump, equipment interconnecting module is mainly that the connection terminal of all electric elements on process control unit is extracted and facilitates wiring, the outlet of each module all adopts K3 or the K4 terminal of standard, connection between each module adopts banana plug to connect in addition, switch board Qianmen adopts tempered glass to make, the convenient internal component of observing, the switch board left and right sides all adopts the door mechanism of open-type, convenient observation components and parts and wiring, and switch board back door adopts type of push and pull up down structure, facilitates opening and closing also to facilitate the layout of Whole Equipment circuit and later maintenance.
3. actual training device according to claim 1, it is characterized in that: described process control unit, comprise aluminium section bar, desktop, mesh plate, boiler, upper water box, lower header, reserve tank, temperature sensor, pressure unit, flowmeter, electric control valve, valve, the composition such as joint and pipeline, the skeleton of process control unit adopts anodised aluminium section bar to build, desktop adopts stainless-steel sheet to process, mesh plate is arranged on the aluminium section bar of the left and right sides by mounting bracket and screw, boiler, upper water box, lower header is arranged on mesh plate, reserve tank and electric control valve are arranged on the base plate of process control unit, temperature sensor is arranged on boiler for measuring the water temperature in boiler, pressure transducer is arranged on pipeline or water tank for measuring hydraulic pressure, thereby electric control valve is arranged on pipeline for regulating the aperture of pipeline valve to control pressure or the flow of water in pipeline, reserve tank is the water system of whole device, it is comprised of left and right sides branch line and a water return pipeline, we first design right branch: right side pipeline is through a hand threshold switch a, then receive right side pump entrance end, water delivery side of pump is divided into again two branch roads: the first branch road is through pressure display table, handle again valve b and another branch road and handle valve c, again through electric control valve, handle again valve d, then converge and form shunt circuit with the first branch road, the input end of flow sensor is received in this two branch roads unification, its output terminal is received the inlet side of pressure unit, at this moment the output terminal of pressure unit is divided into again two branch roads, article one, branch road is received in the outer barrel of boiler, the water of outer barrel gives interior bucket cooling, the interior bucket of boiler is received on another road, when the water level of outer barrel is after upper end liquid level sensor detects, starting draining directly gets back in reserve tank by return pipe, barreled having heaters simultaneously, temperature sensor, liquid level sensor, the water temperature of bucket in their three's co-controllings, liquid level situation, when the temperature of interior barrel reaches after setting value, the water drain valve of interior bucket is opened automatically, the water of interior bucket is back in reserve tank, it is synchronous so just having guaranteed to discharge water and intake, just form a totally enclosed automatic cycle loop, after right branch has designed, we design left branch again: left side pipeline is through a hand threshold switch e, then receive left side pump entrance end, water delivery side of pump is divided into again three branch roads, the first branch road is handled the bottom, left side that threshold switch f directly enters lower header, the second branch road is handled the left bottom that threshold switch g directly enters upper water box, the 3rd branch road is handled in the interior bucket that threshold switch h is linked into boiler, same left side pipeline also forms a totally enclosed automatic cycle loop.
4. actual training device according to claim 3, it is characterized in that: described mesh plate, comprise mesh plate, mounting bracket, on mesh plate, have uniform rectangle mounting hole, by mounting bracket and screw, be arranged on the blue column of the left and right sides, lintel plate is arranged at its top, and there is process control worktable lower end, is mainly used in installing boiler, upper water box, lower header, pressure transducer, valve, joint and pipeline and fixed power source line, signal wire and connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078986.XU CN203773846U (en) | 2014-02-22 | 2014-02-22 | Process control practical training device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420078986.XU CN203773846U (en) | 2014-02-22 | 2014-02-22 | Process control practical training device |
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| Publication Number | Publication Date |
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| CN203773846U true CN203773846U (en) | 2014-08-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420078986.XU Expired - Fee Related CN203773846U (en) | 2014-02-22 | 2014-02-22 | Process control practical training device |
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| CN (1) | CN203773846U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376755A (en) * | 2014-11-05 | 2015-02-25 | 苏州迈创信息技术有限公司 | Automatic process control teaching experiment table |
| CN104599581A (en) * | 2015-02-05 | 2015-05-06 | 浙江水利水电学院 | Multifunctional pump principle teaching demonstration device |
| CN105023479A (en) * | 2015-07-15 | 2015-11-04 | 浙江大学 | Mixing process control experimental apparatus |
| CN105185203A (en) * | 2015-09-06 | 2015-12-23 | 黄山学院 | Experiment apparatus for virtual object ratio control system |
| CN106601116A (en) * | 2017-02-06 | 2017-04-26 | 南京康尼科技实业有限公司 | Process control practical training device and control method thereof |
| CN109238375A (en) * | 2018-11-01 | 2019-01-18 | 北京京航计算通讯研究所 | Experiment test device for the acquisition of industrial pipeline data |
| CN110570708A (en) * | 2019-08-30 | 2019-12-13 | 福建福清核电有限公司 | Nuclear power plant instrument control maintenance skill competition platform based on reactor protection system |
| CN111161624A (en) * | 2020-03-03 | 2020-05-15 | 北京华晟智造科技有限公司 | Process control practical training platform system |
-
2014
- 2014-02-22 CN CN201420078986.XU patent/CN203773846U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104376755A (en) * | 2014-11-05 | 2015-02-25 | 苏州迈创信息技术有限公司 | Automatic process control teaching experiment table |
| CN104376755B (en) * | 2014-11-05 | 2017-02-15 | 苏州迈创信息技术有限公司 | Automatic process control teaching experiment table |
| CN104599581A (en) * | 2015-02-05 | 2015-05-06 | 浙江水利水电学院 | Multifunctional pump principle teaching demonstration device |
| CN105023479A (en) * | 2015-07-15 | 2015-11-04 | 浙江大学 | Mixing process control experimental apparatus |
| CN105185203A (en) * | 2015-09-06 | 2015-12-23 | 黄山学院 | Experiment apparatus for virtual object ratio control system |
| CN105185203B (en) * | 2015-09-06 | 2017-10-27 | 黄山学院 | The experimental provision of Virtual object ratio control system |
| CN106601116A (en) * | 2017-02-06 | 2017-04-26 | 南京康尼科技实业有限公司 | Process control practical training device and control method thereof |
| CN109238375A (en) * | 2018-11-01 | 2019-01-18 | 北京京航计算通讯研究所 | Experiment test device for the acquisition of industrial pipeline data |
| CN109238375B (en) * | 2018-11-01 | 2021-03-23 | 北京京航计算通讯研究所 | Experimental testing device for industrial pipeline data acquisition |
| CN110570708A (en) * | 2019-08-30 | 2019-12-13 | 福建福清核电有限公司 | Nuclear power plant instrument control maintenance skill competition platform based on reactor protection system |
| CN111161624A (en) * | 2020-03-03 | 2020-05-15 | 北京华晟智造科技有限公司 | Process control practical training platform system |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140813 Termination date: 20190222 |
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| CF01 | Termination of patent right due to non-payment of annual fee |