CN103301927B - Automatic control system of road stone crusher - Google Patents
Automatic control system of road stone crusher Download PDFInfo
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- CN103301927B CN103301927B CN201310251228.3A CN201310251228A CN103301927B CN 103301927 B CN103301927 B CN 103301927B CN 201310251228 A CN201310251228 A CN 201310251228A CN 103301927 B CN103301927 B CN 103301927B
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- 239000004575 stone Substances 0.000 title claims abstract description 34
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 239000010687 lubricating oil Substances 0.000 claims abstract description 7
- 239000003921 oil Substances 0.000 claims abstract description 5
- 238000000034 method Methods 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 13
- 230000008569 process Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 8
- 238000013461 design Methods 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
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- 238000004886 process control Methods 0.000 abstract 3
- 102100026205 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Human genes 0.000 description 13
- 101000691599 Homo sapiens 1-phosphatidylinositol 4,5-bisphosphate phosphodiesterase gamma-1 Proteins 0.000 description 13
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- 238000005516 engineering process Methods 0.000 description 3
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- 101100190617 Arabidopsis thaliana PLC2 gene Proteins 0.000 description 1
- 101100408456 Arabidopsis thaliana PLC8 gene Proteins 0.000 description 1
- 101100464304 Caenorhabditis elegans plk-3 gene Proteins 0.000 description 1
- 101100093534 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPS1B gene Proteins 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
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- 238000005265 energy consumption Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 238000002686 lithotriptor Methods 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
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- 238000004088 simulation Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Disintegrating Or Milling (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses an automatic control system of a road stone crusher, which comprises a field process control level, wherein the field process control level comprises a PLC (programmable logic controller), a touch screen connected with the PLC, the stone crusher, a motor connected with the stone crusher, a displacement sensor, a temperature transmitter, a pressure transmitter, a power transmitter, an electromagnetic valve, a hydraulic system, a frequency converter and a feeding motor; the field process control level uses a PLC as a core controller and a touch screen as a human-computer interface, adopts a displacement sensor to detect the ore discharge port of the stone crusher, a temperature transmitter to detect the temperature of lubricating oil, a pressure transmitter to detect the pressure of an oil cylinder and a power transmitter to detect the power of a driving motor, the PLC outputs a certain control quantity according to collected data and a control model, adopts a frequency converter to adjust the rotating speed of the ore feeding motor and the size of the ore discharge port of a solenoid valve of a hydraulic system, and finally achieves the control target of constant power of the main motor.
Description
Technical field
The present invention relates to automatic detection field technology, refer in particular to a kind of automatic control system of road stone crusher.
Background technology
Disintegrating machine is one of mine main production equipments, and it contains the multiple industries such as metallurgy, coloured, building materials, chemical industry. In recent years, lot of domestic and foreign manufacturer from product structure to this kind equipment constantly improve, perfect, obtained reasonable effect, and numerous efficient, reliable, energy-conservation new products that release one after another. Comparatively speaking, because being subject to the impact of automation development level, domestic research aspect disintegrating machine control is relatively backward. The control and operation of these equipment, almost all by manually carrying out. Therefore, be necessary these old equipment to carry out automatic improving, realize automatic control function.
Single-cylinder hydraulic stone crusher adopts advanced hydraulic technique, has realized hydraulic protecting and hydraulic pressure and has adjusted gape, has simplified crusher structure, has alleviated weight, and has been easy to realize the automatic control of disintegrating machine.
But in production application, to the electrical control of stone crusher, simple unlatching and necessary electic protection are only implemented; the general treating capacity that adopts artificial adjustment mode controlled fragmentation machine; make disintegrating machine be difficult to be operated in optimum state, cause production efficiency low, and wasted the energy. Therefore, single-cylinder hydraulic stone crusher is controlled automatically, significant to raising equipment availability efficiency, minimizing energy consumption, reduction workman's labour intensity.
Summary of the invention
In view of this, the present invention is directed to the disappearance of prior art existence, its main purpose is to provide a kind of automatic control system of road stone crusher, has realized the permanent power of disintegrating machine and has automatically controlled, and makes disintegrating machine be operated in optimum load state.
For achieving the above object, the present invention adopts following technical scheme:
A kind of automatic control system of road stone crusher, comprise field process controlled stage, described field process controlled stage comprises the power transducer of motor, displacement transducer, temperature transmitter, pressure transmitter and the connection motor of PLC, the touch-screen, the stone crusher that connect PLC, connection stone crusher, is connected with between magnetic valve and hydraulic system, PLC and stone crusher, to go back frequency converter and to ore deposit motor between this PLC and stone crusher;
This field process controlled stage taking PLC as core controller, touch-screen is man-machine interface, adopt displacement transducer to detect the gape of stone crusher, the temperature that temperature transmitter detects lubricating oil, the pressure that pressure transmitter detects oil cylinder, the power that power transducer detects drive motor, PLC is according to the data that gather, export certain controlled quentity controlled variable according to controlling model, adopt frequency converter to adjust to the rotating speed of ore deposit motor, the magnetic valve of hydraulic system and adjust the size of gape, finally reach the invariable control target of main motor power.
Preferably, further include a remote monitoring level, this remote monitoring level is made up of computer and the display and the keyboard that are connected in computer, remote monitoring level realizes data communication by fieldbus and field process controlled stage, thereby the various states that can be checked job site by remote monitoring level, reach real-time remote monitoring effect.
Preferably, on described PLC, be connected with selector switch, realize automatically and manual two kinds of control modes by selector switch.
Preferably, described motor power (output) detects and adopts XPW type power transducer; The detection of gape size adopts the secondary contracting displacement transducer of FWD-L type mangneto; I3WD-8 temperature transmitter is selected in the detection of lubricating oil temperature; The detection of hydraulic system pressure adopts 1151 pressure transmitters.
Preferably, described frequency converter is selected MM440 type inverter control motor rotating speed.
Preferably, described magnetic valve adopts DLHZO type Direct Action Type sliding sleeve servo proportion, has integrated electronic amplifier in valve.
Preferably, described PLC selects S7-200PLC.
Preferably, in described PLC, be provided with data acquisition and parameter conversion, gape size PID control, 3 main modular of main engine power fuzzy control.
Preferably, described data acquisition and parameter modular converter are to read the data of collection and data are carried out to scale conversion from the each passage of analog input module, are converted to actual parameter value.
Preferably, described main engine power fuzzy control model is according to designed fuzzy control model, first by the rate of change obfuscation of the error of actual detection power value and set value of the power and this error, as the input quantity of model, thereby obtain output quantity according to the fuzzy control rule of design, output quantity obtains actual output quantity after reverse gelatinization.
The present invention compared with prior art has obvious advantage and beneficial effect, particularly, as shown from the above technical solution, visit technology processed based on PLC, this scheme is good by property, and control mode is flexible, simply, practical, cost is low and system stability is reliable, can be in operation the speed of service of oil cylinder is regulated, realize the permanent power of disintegrating machine and automatically controlled, make disintegrating machine be operated in optimum load state.
For more clearly setting forth architectural feature of the present invention and effect, below in conjunction with accompanying drawing and specific embodiment, the present invention is described in detail.
Brief description of the drawings
Fig. 1 is the system principle diagram of the present invention's embodiment;
Fig. 2 is the control flow chart of system in the present invention's embodiment;
Fig. 3 is main spindle's electrohydraulic servo system structure in the present invention's embodiment.
Accompanying drawing identifier declaration:
1, PLC2, touch-screen
3, stone crusher 4, motor
5, displacement transducer 6, temperature transmitter
7, pressure transmitter 8, power transducer
9, magnetic valve 10, hydraulic system
11, frequency converter 12, give ore deposit motor
13, selector switch.
Detailed description of the invention
Please refer to shown in Fig. 1, it has demonstrated the concrete structure of the present invention's preferred embodiment, the automatic control system of this road stone crusher 3 comprises field process controlled stage and remote monitoring level, wherein, remote monitoring level is made up of computer and the display and the keyboard that are connected in computer, remote monitoring level realizes data communication by fieldbus and field process controlled stage, thereby can be checked the various states of job site by remote monitoring level, reaches real-time remote monitoring effect.
Described field process controlled stage comprises PLC1, connect the touch-screen 2, stone crusher 3 of PLC1, connect motor 4, displacement transducer 5, temperature transmitter 6, the pressure transmitter 7 of stone crusher 3 and is connected the power transducer 8 of motor 4, is connected with between magnetic valve 9 and hydraulic system 10, PLC1 and stone crusher 3, to be also connected frequency converter 11 and to being also connected with selector switch 13 on ore deposit motor 12 and PLC1 between this PLC1 and stone crusher 3.
As shown in Figure 2, this field process controlled stage is taking PLC1 as core controller, touch-screen 2 is man-machine interface, adopt displacement transducer 5 to detect the gape of stone crusher 3, temperature transmitter 6 detects the temperature of lubricating oil, pressure transmitter 7 detects the pressure of oil cylinder, power transducer 8 detects the power of drive motor 4, PLC1 is according to the data that gather, export certain controlled quentity controlled variable according to controlling model, adopt frequency converter 11 to adjust the rotating speed to ore deposit motor 12, the magnetic valve 9 of hydraulic system 10 is adjusted the size of gape, finally reach main motor 4 power invariabilities constant, be the stable control targets of stone crusher 3 live loads.
And this automatic control system requires to have automatically and manual 2 kinds of control modes, can select by selector switch 13. No matter be automatic control mode or manual control mode, all require PLC1 control system can gather each switch and motor 4 running statuses, spindle drive motor 4 power, gape size, lubricating oil temperature and hydraulic system 10 pressure and other parameters, and they are shown on touch-screen 2 and ipc monitor interface.
Motor 4 power detection of stone crusher 3 adopt XPW type power transducer 8; The detection of gape size adopts the secondary contracting displacement transducer 5 of FWD-L type mangneto; I3WD-8 temperature transmitter 6 is selected in the detection of lubricating oil temperature; The detection of hydraulic system 10 pressure adopts 1151 pressure transmitters 7.
The ore control of giving of stone crusher 3 mainly realizes by motor 4 rotating speeds of controlling feed adhesive tape, selects MM440 type frequency converter 11 to control motor 4 rotating speeds.
The adjustment of gape size mainly realizes by controlling hydraulic system 10. The hydraulic system 10 that hydraulic system 10 can solve existing stone crusher 3 adopts manual operation, cannot realize the defect of Automatic Positioning Control function. Hydrauservo System is divided again mechanical Hydrauservo System and electrohydraulic servo system, because native system is realized automatic control by PLC1, so adopt electrohydraulic servo system to control main spindle's. As shown in Figure 3, magnetic valve 9 adopts DLHZO type Direct Action Type sliding sleeve servo proportion to main spindle's electrohydraulic servo system structure, has integrated electronic amplifier in valve.
The PLC1 of system of the present invention selects S7-200PLC, and its configuration: CPU selects 226 types, has 24 digital quantity inputs, 16 digital outputs; 2 growth simulation amount input module EM235, this module has 4 analog inputs, 1 analog output; 1 expanding communication interface module EM277, this module and supervisory control comuter are by Prifibus bus communication. Therefore S7-200PLC can meet the number of the main input/output signal of system of the present invention: 14 digital quantity inputs, 6 digital outputs, 5 analog inputs, 2 analog outputs.
In described PLC1, be provided with data acquisition and parameter conversion, gape size PID control, 3 main modular of main engine power fuzzy control.
Wherein, data acquisition and parameter conversion program comprise from the each passage of analog input module and read the data of collection and data are carried out to scale conversion, are converted to actual parameter value. The scope of the value that PLC1 reads from the each passage of analog input module is 0～32000. As for main engine power signal, it detects range is 0～500kW, output be the standard current signal of 0～20mA, so the value in 0～32000 scope that PLC1 need to be read is converted to actual performance number.
Main engine power fuzzy control is mainly according to designed fuzzy control model, first by the rate of change obfuscation of the error of actual detection power value and set value of the power and this error, as the input quantity of model, thereby obtain output quantity according to the fuzzy control rule of design, output quantity obtains actual output quantity after reverse gelatinization. Its program circuit as shown in Figure 2.
Gape size PID control program adopts the PID module programming of system to realize, and in the process of writing this program, need to the scale conversion of input quantity, output quantity and the parameter of PID be set according to PID instruction guide.
In sum, design focal point of the present invention is, hydraulic lithotriptor 3 automatic control systems taking S7-200PLC1 as control core, have provided concrete hardware and software design method. Oneself comes into operation this system in Practical Project, stable, controls respond wellly, has realized the automatic control of Single-Cylinder Hydraulic Cone Crusher.
The above, it is only preferred embodiment of the present invention, not technical scope of the present invention is imposed any restrictions, therefore any trickle amendment, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment all still belong in the scope of technical solution of the present invention.
Claims (1)
1. an automatic control system for road stone crusher, is characterized in that: comprise field process controlled stage and remote monitoring level;
Described field process controlled stage comprises that model is the power transducer of motor, displacement transducer, temperature transmitter, pressure transmitter and the connection motor of the PLC of S7-200, the touch-screen, the stone crusher that connect PLC, connection stone crusher, is connected with between magnetic valve and hydraulic system, PLC and stone crusher, to also have frequency converter and to ore deposit motor between this PLC and stone crusher; In described PLC, be provided with data acquisition and parameter conversion, gape size PID control, 3 main modular of main engine power fuzzy control; On PLC, be connected with selector switch, realize automatically and manual two kinds of control modes by selector switch;
This field process controlled stage taking PLC as core controller, touch-screen is man-machine interface, adopt displacement transducer to detect the gape of stone crusher, the temperature that temperature transmitter detects lubricating oil, the pressure that pressure transmitter detects oil cylinder, the power that power transducer detects motor, first read the data of collection and data are carried out to scale conversion from the each passage of analog input module by the data acquisition in PLC and parameter modular converter, be converted to actual parameter value; Scale conversion and the pid parameter of input quantity, output quantity are set according to PID instruction guide by gape size pid control module again; Finally by by main engine power fuzzy control model according to designed fuzzy control model, first by the rate of change obfuscation of the error of actual detection power value and set value of the power and this error, as the input quantity of model, thereby obtain output quantity according to the fuzzy control rule of the fuzzy control model of design, output quantity obtains actual output quantity after reverse gelatinization; Using actual output quantity as control variables, adopt frequency converter to adjust to the rotating speed of ore deposit motor, the magnetic valve of hydraulic system and adjust the size of gape, finally reach the invariable control target of main motor power; Motor power (output) detects and adopts XPW type power transducer; The detection of gape size adopts FWD-L type magnetostrictive displacement sensor; The detection of hydraulic system pressure adopts 1151 pressure transmitters; Described magnetic valve adopts DLHZO type Direct Action Type sliding sleeve servo proportion, has integrated electronic amplifier in valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310251228.3A CN103301927B (en) | 2013-06-24 | 2013-06-24 | Automatic control system of road stone crusher |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310251228.3A CN103301927B (en) | 2013-06-24 | 2013-06-24 | Automatic control system of road stone crusher |
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| CN103301927A CN103301927A (en) | 2013-09-18 |
| CN103301927B true CN103301927B (en) | 2016-05-04 |
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| CN201310251228.3A Active CN103301927B (en) | 2013-06-24 | 2013-06-24 | Automatic control system of road stone crusher |
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| CN103706445B (en) * | 2013-12-24 | 2015-08-26 | 江苏大学 | A kind of blob of slag disintegrating machine of dynamic speed governing and control method thereof |
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| CN104511366B (en) * | 2014-09-28 | 2017-01-18 | 埃里斯克矿山工程机械有限公司 | Intelligent control system of hydraulic cone crusher |
| CN104537726B (en) * | 2014-11-18 | 2016-04-13 | 中国矿业大学 | A kind of device recording mine crushing machine state |
| CN104932307B (en) * | 2015-06-01 | 2017-11-21 | 遵义市立新机械有限责任公司 | A kind of disintegrating machine method for real-time optimization control |
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| CN107670835B (en) * | 2017-08-26 | 2020-09-08 | 贵州筑信达创科技有限公司 | Hot pepper processingequipment control system of pounding |
| CN108014911B (en) * | 2017-12-25 | 2024-02-02 | 江苏徐工工程机械研究院有限公司 | Crusher system and crusher system control method |
| CN112065359B (en) * | 2020-09-21 | 2023-05-16 | 北京三一智造科技有限公司 | Drilling control method and rotary drilling rig |
| CN114768923A (en) * | 2022-05-11 | 2022-07-22 | 内蒙古大中矿业股份有限公司 | Automatic control device for constant power of cone crusher |
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| US4586146A (en) * | 1981-02-27 | 1986-04-29 | W. R. Grace & Co. | Grinding mill control system |
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