Summary of the invention
Be to solve the deficiency of prior art, the object of the present invention is to provide a kind of instrument I&M comprehensive training device of can independent assortment and can comprehensively, systematically carry out the experiment of instrument I&M, real standard and skills training the student.
For achieving the above object, the present invention realizes through following technical scheme:
Instrument I&M comprehensive training device; It is characterized in that; Comprise that instrument cabinet, simulated object system and fault are provided with the unit; Described simulated object system is communicated with through signal wire with described instrument cabinet, is arranged in the instrument cabinet and described fault is provided with the unit, in addition; Also be provided with electric power source distribution device, signal distributor, safety barrier, temperature transmitter in the described instrument cabinet, and also be provided with direct supply, indicating instrument, control instrument, recorder and manipulater on the described instrument cabinet.
Further, also be provided with power supply control and protected location on the described instrument cabinet, described power supply control and protected location comprise air switch, voltage table and earth leakage protective device.
In addition; Described simulated object system comprises framework and is arranged on the simulated object on the framework; Described simulated object then comprises hot-water boiler and the pressure storage tank that is arranged on framework upper; And the reserve tank and the air compressor machine that are arranged on the framework bottom, described pressure storage tank and air compressor machine are through pipeline connection, and described hot-water boiler and pressure storage tank are communicated with reserve tank through the first magnetic force ebullator and the second magnetic force ebullator respectively.Operate stop valve and be provided with second between the described first magnetic force ebullator and the second magnetic force ebullator.
Pipeline between described hot-water boiler and the reserve tank is provided with first electric operator; Pipeline between described pressure storage tank and the reserve tank is provided with second electric operator and flowmeter; First electric operator and second electric operator are the straight stroke electric actuator; Described flow is counted electromagnetic flowmeter, then is provided with pneumatic actuator on the pipeline between described pressure storage tank and the air compressor machine.And described pneumatic actuator comprises pneumatic diaphragm control valve and electrical equipment valve positioner.
Described hot-water boiler comprises bladder layer and chuck layer, and described bladder layer is provided with first temperature sensor, second temperature sensor and first pressure transducer, then is provided with the three-temperature sensor and second pressure transducer in the described chuck layer.And also be provided with the first operation stop valve between the chuck layer of the bladder layer of described hot-water boiler and the pipeline of reserve tank and hot-water boiler and the pipeline of reserve tank.
Described pressure storage tank is provided with pressure unit, fluid level transmitter, tensimeter, gauge glass and safety valve, and simultaneously, described pressure unit and fluid level transmitter also are fixed on the framework.
In addition, described fault is provided with unit pack vinculum road fault and module, circuit failure are set module, gas path failure are set module, the system failure are set module, instrument are set install that fault is provided with module and instrument configuration fault is provided with module.
The invention has the beneficial effects as follows:
One, real standard content is comprehensive:
First-selection, the instrument that the present invention relates to, instrument and instrument can right selection and uses, and through instrument and instrument etc. is placed on the framework, side's rice is that management and use; Secondly, system design is simple and convenient, and institute can design detection, control and warning system as requested voluntarily, comprises the selection, drawing protract of selection, the auxilliary material of instrument of scheme determination, instrument selection, electric wire (cable) pipeline etc.; Can effectively carry out installation, verification, maintenance, fault analysis and judgement and the troubleshooting of faults that unit instrument comprises primary element, field instrument and secondary instrument; And can carry out circuit and connect real standard, comprise that the installation connection of instrument signal earth, terminal row, crane span structure are installed, cable (crane span structure, poling) lays etc.
Two, the fault setting has dirigibility and convenience:
Because being provided with fault is provided with the unit; And fault has by different level by simple to complicacy, by the washability of unit to system; Make teacher and examiner fault is set neatly according to student's situation; Because various faults possibly cause same improper phenomenon, can make the student reach maximum real standard income.In addition, the fault setting comprises hardware fault and software fault, and wherein hardware fault mainly comprises line fault, circuit failure, gas path failure, generic failure, the system failure and instrument installation fault etc., and software fault mainly is an instrument configuration fault.After fault was provided with, the student can detect discriminatory analysis through relevant instrument and meter, detects the position and the content of trouble spot, carries out the skill training that fault is got rid of.
Description of drawings
Fig. 1 is the structural representation of one embodiment of the invention.
The main mark implication is following in the accompanying drawing:
1, reserve tank 2, the first magnetic force ebullator 3, the second magnetic force ebullator 4, air compressor machine
5, the second operation stop valve 6, pneumatic actuator 7, flowmeter
8, second electric operator 9, fluid level transmitter 10, pressure unit
11, gauge glass 12, safety valve 13, tensimeter
14, pressure vessel 15, second pressure transducer 16, three-temperature sensor
17, first temperature sensor 18, first pressure transducer 19, hot-water boiler
20, second temperature sensor 21, first is operated stop valve 22, first electric operator
23, framework 24, instrument cabinet.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the present invention is done concrete introduction.
Fig. 1 is the structural representation of one embodiment of the invention.
As shown in Figure 1: instrument I&M comprehensive training device; Comprise that instrument cabinet 24, simulated object system and fault are provided with the unit; Described simulated object system and described instrument cabinet 24 are communicated with through signal wire; And being provided with the unit, described fault is arranged in the instrument cabinet 24; In addition, also be provided with electric power source distribution device, signal distributor, safety barrier, temperature transmitter in the described instrument cabinet 24, and also be provided with direct supply, indicating instrument, control instrument, recorder and manipulater on the described instrument cabinet 24.In addition, also be provided with power supply control and protected location on the described instrument cabinet 24, described power supply control and protected location comprise air switch, voltage table and earth leakage protective device.
In this embodiment; Described simulated object system comprises framework 23 and is arranged on the simulated object on the framework 23; Described simulated object then comprises the hot-water boiler 19 and pressure storage tank 14 that is arranged on framework 23 tops; And the reserve tank 1 and air compressor machine 4 that are arranged on framework 23 bottoms, described pressure storage tank 14 is used for simulated pressure and two objects of liquid level, and it passes through pipeline connection with air compressor machine 4; And described hot-water boiler 19 is communicated with reserve tank 1 through the first magnetic force ebullator 2 and the second magnetic force ebullator 3 respectively with pressure storage tank 14; Described first magnetic force circulation, being provided with the second operation stop valve, 5, the second operation stop valves 5 between the 2 and second magnetic force ebullator 3 can be so that subsequent use each other between the first magnetic force ebullator 2 and the second magnetic force ebullator 3.
In addition; Pipeline between described hot-water boiler 19 and the reserve tank 1 is provided with first electric operator 22; Pipeline between described pressure storage tank 14 and the reserve tank 1 is provided with second electric operator 8 and flowmeter 7; First electric operator 22 and second electric operator 8 are the straight stroke electric actuator, and described flowmeter 7 is an electromagnetic flowmeter, in addition; Then be provided with pneumatic actuator 6 on the pipeline between described pressure storage tank 14 and the air compressor machine 4, and described pneumatic execution machine 6 comprises pneumatic diaphragm control valve and electrical equipment valve positioner.
In this embodiment; Described hot-water boiler 19 concrete structures do; It comprises bladder layer and chuck layer; Described bladder layer is connected with reserve tank 1 through pipeline respectively with the chuck layer, and described bladder layer is provided with first temperature sensor 17, second temperature sensor 20 and first pressure transducer 18, then is provided with the three-temperature sensor 16 and second pressure transducer 15 in the described chuck layer.And also be provided with first operation stop valve 21, the first operation stop valves 21 between the chuck layer of the pipeline of the bladder layer of described hot-water boiler 19 and reserve tank 1 and hot-water boiler 19 and the pipeline of reserve tank 1 and can change the bladder layer that enters into hot-water boiler 19 and the discharge of chuck layer.In this embodiment, described first temperature sensor 17, second temperature sensor 20 and three-temperature sensor 16 are platinum resistance thermometer sensor.
And on described pressure storage tank 14, also be provided with pressure unit 10, fluid level transmitter 9 and tensimeter 13, gauge glass 11 and safety valve 12, simultaneously, described pressure unit 10 also is fixed on the framework 23 with fluid level transmitter 9.In this embodiment, described pressure unit 10 is the intelligent capacitance pressure unit, and fluid level transmitter 9 is an intelligent capacitance differential pressure cell, and all has the HART communication function.
In addition, in this embodiment, the output pressure of described air compressor machine 4 is 0.14MPa~0.6MPa, the one tunnel behind the air filtration decompressor air pressure reduce to 0.14MPa, deliver to pneumatic actuator 6 as source of the gas, pressure storage tank 14 is delivered on another road.
In addition, described fault is provided with unit pack vinculum road fault and module, circuit failure are set module, gas path failure are set module, the system failure are set module, instrument are set install that fault is provided with module and instrument configuration fault is provided with module.
This actual training device comprises student's technical training: the putting into operation and parameter tuning technology etc. of the field engineering of instrument and control system, fault detection technique, troubleshooting technique, instrument check technology, maintenance technology, control system.Its technology point is:
1, combining with teaching characteristics and student's the hierarchy of skill can the design flexible content of operation, and can change according to teaching and training request;
2, the student can be as requested design system and carry out the instrument Installation and Debugging voluntarily;
3, the variation of systematic parameter is recorded on the recorder, and student's real standard quality is convenient to understand and instruct;
4, student's the running time and the number of times of makeing mistakes are convenient to examination by automatic record;
5, fault can be set easily, the student is carried out instrument and ability trainings such as system's installation, verification, maintenance, fault analysis and judgement and troubleshooting of faults;
6, the stop valve through being provided with, switching control parameter easily improves the reliability and the utilization factor of system.
In addition, the present invention can also accomplish following multiple training:
1, the function and the characteristics of various supplementary instruments are understood in the correct use of reference instrument;
2, the right selection of instrument instrument and instrument and use;
3, field instrument installation, verification, maintenance, fault analysis and judgement and troubleshooting of faults training.Like thermoelectricity group, thermopair, tensimeter, temperature transmitter, differential pressure transmitter, pressure unit, flow transmitter, fluid level transmitter etc.;
4, Displaying Meter installation, debugging and maintenance and configuration are like intelligent display appearance and recording instrument without paper;
5, the operation of regulator, configuration and verification;
6, the installation of safety barrier, debugging and maintenance comprise two types of imported and output types;
7, cable testing bridge is installed and cable laying;
8, installation, the back connection of instrument on the instrument cabinet dish;
9, actuator is installed, is debugged and safeguards.Comprise YE, pneumatic control valve;
10, carry out the system synthesis training.Student's design, installation, debugging control system can realize the single loop control and the tandem control of temperature, pressure, flow, liquid level, divide process control, evenly control complex control system such as feedforward control.
In addition; This actual training device tens kinds of real standard projects capable of being combined; Its each project all is the concrete application technology project of production line, and therefore, real standard can adopt the teaching pattern of project-based teaching and task-driven; Make the student accomplish a complete comprehensive real standard project, reach and systematically grasp instrument I&M technology comprehensively.
This actual training device not only is fit to the training of all kinds of institution of higher learning to student's technical ability, also is fit to the worker's of enterprise skill training.
The foregoing description does not limit the present invention in any form, and all employings are equal to the technical scheme that mode obtained of replacement or equivalent transformation, all drop in protection scope of the present invention.