CN102411856A - Asphalt concrete mixing plant electrical control system analog simulation experimental device - Google Patents
Asphalt concrete mixing plant electrical control system analog simulation experimental device Download PDFInfo
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- CN102411856A CN102411856A CN2011102439221A CN201110243922A CN102411856A CN 102411856 A CN102411856 A CN 102411856A CN 2011102439221 A CN2011102439221 A CN 2011102439221A CN 201110243922 A CN201110243922 A CN 201110243922A CN 102411856 A CN102411856 A CN 102411856A
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Abstract
The invention discloses an asphalt concrete mixing plant electrical control system analog simulation experimental device, which is used for technical training and practical teaching of related courses of road construction organizations, asphalt concrete mixing plant production manufacturers and schools. The device is characterized by comprising a central supervision and management computer, a touch screen, a PLC (Programmable Logical Controller), an electrical control system analog device and a process analog control computer, wherein the central supervision and management computer is connected with both the touch screen and the PLC through RS485 buses; and the electrical control system analog device is connected with the process analog control computer through a PC bus. In the invention, dynamic analog of an asphalt mixing plant electrical control system and a mechanical system is realized through simulation animation of various electrical control analog devices of the electrical control system and a process analog control computer liquid crystal display screen; and the analog experimental device has the advantages of low cost, small floor area, convenience in use and good teaching effect.
Description
Affiliated technical field
The present invention relates to a kind of bituminous concrete mixing apparatus electric-control system analog simulation experimental provision, be used for the technical training of road construction unit, bituminous concrete mixing apparatus manufacturer and school and the practical teaching of correlated curriculum.
Background technology
The bituminous concrete mixing apparatus is used for producing asphalt, is one of key equipment of asphalt pavement construction.According to the difference of production technology, the bituminous concrete mixing apparatus can be divided into two kinds of forced action type (batch (-type)) and drum-types (continous way), and the former is widely used in the construction of high-grade highway.Electric-control system is the important component part of bituminous concrete mixing apparatus, is used for controlling the production overall process of mixing apparatus, to guarantee to produce qualified asphalt.The experiment of bituminous concrete mixing apparatus electric-control system is an indispensable content of school's practical teaching, road construction unit and the technical training of bituminous concrete mixing apparatus manufacturer.Present bituminous concrete mixing apparatus electric-control system analog simulation experimental provision usually and the mixing apparatus mechanical hook-up that dwindles by a certain percentage be made of one; This mixing apparatus analog simulation experimental provision exists shortcomings such as volume in kind is big, floor area is big, cost height, so practical application is less.
Summary of the invention
In order to overcome the existing above-mentioned deficiency of present bituminous concrete mixing apparatus electric-control system analog simulation experimental provision, the present invention proposes a kind of economic, practical forced action type bituminous concrete mixing apparatus electric-control system analog simulation experimental provision.
The technical solution adopted for the present invention to solve the technical problems is: comprise central supervision and management computing machine, touch-screen, PLC controller, electric-control system analogue means and process simulation control computer.All link to each other between described central supervision and management computing machine and touch-screen and the PLC controller through the RS485 bus; Link to each other through the PC bus between described electric-control system analogue means and the process simulation control computer.
Described electric-control system analogue means comprises switching value input analogue means, switching value output analogue means, motor start and stop and VSC analogue means, weighing-up wave analogue means and temperature detection analogue means.Described switching value input analogue means links to each other with the switching value input terminal of PLC controller; Described switching value output analogue means links to each other with the switching value lead-out terminal of PLC controller; Described motor start and stop and VSC analogue means link to each other with the switching value lead-out terminal and the analog quantity lead-out terminal of PLC controller respectively; Described weighing-up wave analogue means all links to each other with the analog quantity input terminal of PLC controller with the temperature detection analogue means.
Advantage of the present invention is; Need not increase the bigger mixing apparatus mechanical hook-up of volume, and pass through the emulation animation of various electronic control simulation devices of electric-control system and process simulation control computer LCDs, realize the dynamic similation of pitch mixing apparatus electric-control system and mechanical system; The cost of analogue experiment installation is low; Floor area is little, and is easy to use, and teaching efficiency is good.
Description of drawings
Fig. 1 is the structure composition diagram of instance.
Embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is further specified.
Referring to Fig. 1, the mixing apparatus control system adopts widely used at present " industrial computer+PLC+ touch-screen " structural system, and central supervision and management computing machine is a PCT control machine, and system realizes the supervision and the management of equipment operation through industrial computer and touch-screen.The PLC controller is the core of mixing apparatus operational process control, transmits information such as steering order, running parameter and equipment running status between industrial computer and touch-screen and the PLC controller through the RS485 bus.
The ruuning situation of entire equipment and the action of each executive component realize real time modelling emulation through the animation and the various electronic control simulation device of LCDs 1 and 2.Various electronic control simulation devices link to each other with the process simulation control computer through the PC bus, and under the control of simulation control computer, realize the simulation of electric-control system process.
Switching value input analogue means links to each other with the switching value input terminal of PLC controller, under the control of simulation control computer or manual analog switch, realizes the simulation of stuff level switch, bin gate position detecting switch, motor operating state etc.
Switching value output analogue means links to each other with the switching value lead-out terminal of PLC controller; Be used to obtain the control information of the executive components such as cylinder, solenoid valve of PLC controller output, and in view of the above with LCDs that the simulation control computer links to each other on represent the action of each executive component with corresponding animation.
The function of motor start and stop and VSC analogue means mainly contains two: the one, be used to simulate the start and stop of each three phase alternating current motor; Like the operation of the cold belt drives motor that gathers materials, hot aggregate lifting motor, vibratory screening apparatus drive motor, a mixing bowl drive motor etc., this partial simulation device links to each other with the switching value lead-out terminal of PLC controller; The 2nd, be used to simulate the electric machine speed regulation that cold aggregate feeding partly waits mechanical hook-up, this partial simulation device links to each other with the analog quantity lead-out terminal of PLC controller.Speed governing and non-buncher can respectively adopt 2～3 lower-powered alternating current generators in kind, so that the motor line operation training during experiment and the understanding experiment of control circuit etc., the display screen animation simulation is then adopted in the operation of other AC driven motor.
The weighing-up wave analogue means links to each other with the analog quantity input terminal of PLC controller; Be used for simulating the output of hot aggregate, heated bitumen and powder weighing process respective sensor signals transmitter, the action of executive components such as weighing bucket and cylinder, solenoid valve is through the display screen animation simulation.
The temperature detection analogue means links to each other with the analog quantity input terminal of PLC controller; Be used for the transmitter output of analog machine operational process hot aggregate storage bin, finished product bin, heated bitumen, drying roller discharging, delivery temperature equitemperature detecting sensor, the temperature value of corresponding mechanical hook-up dynamic simulation on display screen shows.
Claims (2)
1. a bituminous concrete mixing apparatus electric-control system analog simulation experimental provision is characterized in that: comprise central supervision and management computing machine, touch-screen, PLC controller, electric-control system analogue means and process simulation control computer; All link to each other between described central supervision and management computing machine and touch-screen and the PLC controller through the RS485 bus; Link to each other through the PC bus between described electric-control system analogue means and the process simulation control computer.
2. bituminous concrete mixing apparatus electric-control system analog simulation experimental provision according to claim 1 is characterized in that: described electric-control system analogue means comprises switching value input analogue means, switching value output analogue means, motor start and stop and VSC analogue means, weighing-up wave analogue means and temperature detection analogue means; Described switching value input analogue means links to each other with the switching value input terminal of PLC controller; Described switching value output analogue means links to each other with the switching value lead-out terminal of PLC controller; Described motor start and stop and VSC analogue means link to each other with the switching value lead-out terminal and the analog quantity lead-out terminal of PLC controller respectively; Described weighing-up wave analogue means all links to each other with the analog quantity input terminal of PLC controller with the temperature detection analogue means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102439221A CN102411856A (en) | 2011-08-24 | 2011-08-24 | Asphalt concrete mixing plant electrical control system analog simulation experimental device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102439221A CN102411856A (en) | 2011-08-24 | 2011-08-24 | Asphalt concrete mixing plant electrical control system analog simulation experimental device |
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| Publication Number | Publication Date |
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| CN102411856A true CN102411856A (en) | 2012-04-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102439221A Pending CN102411856A (en) | 2011-08-24 | 2011-08-24 | Asphalt concrete mixing plant electrical control system analog simulation experimental device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361783A (en) * | 2014-12-08 | 2015-02-18 | 成都瑞途电子有限公司 | Simulation and demonstration system of asphalt mixing plant |
| CN109358242A (en) * | 2018-09-27 | 2019-02-19 | 国网天津市电力公司 | A kind of power transmission and transformation system equipment state simulator |
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| CN200997214Y (en) * | 2007-01-25 | 2007-12-26 | 深圳职业技术学院 | Intelligent analog experimental device with programmable controller |
| CN201549132U (en) * | 2009-12-03 | 2010-08-11 | 余建辉 | Simulation teaching equipment of bituminous mixing plant |
| CN201562394U (en) * | 2009-07-22 | 2010-08-25 | 厦门理工学院 | Integrated process control experimental model |
| CN201926925U (en) * | 2011-01-31 | 2011-08-10 | 中国建筑第二工程局有限公司 | Multifunctional test board for agitator controlling system |
| CN202217407U (en) * | 2011-08-24 | 2012-05-09 | 山东交通学院 | Asphalt concrete mixing equipment electric control system simulation experiment device |
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2011
- 2011-08-24 CN CN2011102439221A patent/CN102411856A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN200997214Y (en) * | 2007-01-25 | 2007-12-26 | 深圳职业技术学院 | Intelligent analog experimental device with programmable controller |
| CN201562394U (en) * | 2009-07-22 | 2010-08-25 | 厦门理工学院 | Integrated process control experimental model |
| CN201549132U (en) * | 2009-12-03 | 2010-08-11 | 余建辉 | Simulation teaching equipment of bituminous mixing plant |
| CN201926925U (en) * | 2011-01-31 | 2011-08-10 | 中国建筑第二工程局有限公司 | Multifunctional test board for agitator controlling system |
| CN202217407U (en) * | 2011-08-24 | 2012-05-09 | 山东交通学院 | Asphalt concrete mixing equipment electric control system simulation experiment device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104361783A (en) * | 2014-12-08 | 2015-02-18 | 成都瑞途电子有限公司 | Simulation and demonstration system of asphalt mixing plant |
| CN104361783B (en) * | 2014-12-08 | 2016-08-31 | 李淑兰 | A kind of asphalt mixing plant analog demenstration system |
| CN109358242A (en) * | 2018-09-27 | 2019-02-19 | 国网天津市电力公司 | A kind of power transmission and transformation system equipment state simulator |
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Application publication date: 20120411 |
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