CN204160633U - A kind of cement sand and gravel mixing apparatus network intelligence control system - Google Patents

A kind of cement sand and gravel mixing apparatus network intelligence control system Download PDF

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Publication number
CN204160633U
CN204160633U CN201420488889.8U CN201420488889U CN204160633U CN 204160633 U CN204160633 U CN 204160633U CN 201420488889 U CN201420488889 U CN 201420488889U CN 204160633 U CN204160633 U CN 204160633U
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China
Prior art keywords
signal
network intelligence
controller
mixing apparatus
cement sand
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201420488889.8U
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Chinese (zh)
Inventor
宋富广
王日东
王春岩
代若奇
智刚
郑玉杰
张凤林
李欣璐
郭爽
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Liaoning Hainuo Construction Machinery Group Co Ltd
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Liaoning Hainuo Construction Machinery Group Co Ltd
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Priority to CN201420488889.8U priority Critical patent/CN204160633U/en
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Publication of CN204160633U publication Critical patent/CN204160633U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a kind of cement sand and gravel mixing apparatus network intelligence control system, comprise control room, Site Detection and executive system, field monitor system and GPRS long-distance radio communication system, by RS-485 interface, adopt Modbus field bus technique, in order to realize the Site Detection of the networking of cement sand and gravel mixing apparatus and field control and execution.Compared with prior art, the beneficial effects of the utility model are: have employed " multichannel network intelligence instrument ", one piece of instrument can meet the Data Detection of native system, achieve full digital networking, equipment is few, and circuit is few, signal transmission is reliable, and precision is high, intelligent; Have employed independently developed batching controller BCS7, each batching controller is designed with input I16 point and output Q16 point, can field programming, highly versatile; Achieve networked integration and control; Have employed GPRS long range radio transmissions technology, can remotely monitor and control be realized.

Description

A kind of cement sand and gravel mixing apparatus network intelligence control system
Technical field
The utility model relates to a kind of constructional engineering machinery control system field, particularly a kind of cement sand and gravel mixing apparatus network intelligence control system.
Background technology
Along with the development of national economy, architectural engineering also develops accordingly.Wherein, water conservancy, electric power are also along with development, then the construction of reservoir also wants supporting catching up with, and proposes new requirement to the dam of reservoir.Traditional dam heart generally adopts sand gravel simply to mix and stir, and quality does not reach engine request.Current new technology adopts cement sand and gravel mixing apparatus, and the quality of dam is significantly improved.But its control system, still adopts traditional analog signal transmission, its error is large, and transmission line is many, and grows, and is easily disturbed.Its corrective measure adopts network intelligence control system.
Summary of the invention
For overcoming the deficiencies in the prior art, the purpose of this utility model is to provide a kind of cement sand and gravel mixing apparatus network intelligence control system, realizes convenient and reliable measure in real time cement sand and gravel mixing apparatus, monitor.
For achieving the above object, the utility model realizes by the following technical solutions:
A kind of cement sand and gravel mixing apparatus network intelligence control system, comprises control room, Site Detection and executive system, field monitor system and GPRS long-distance radio communication system, is connected respectively with RS-485 network interface, described control room comprises display, controller, batching controller, and display is arranged on controller, and controller, batching controller are connected with RS-485 network interface respectively, described Site Detection and executive system comprise sensor and flowmeter, multichannel network intelligence instrument, frequency converter, electric control valve, described sensor and frequency converter be arranged on weigh aggregate and powder belt conveyer scale and helix balance on, described flowmeter and electric control valve are arranged on and control on the waterpipe pump of fluid flow and liquor pump, sensor is connected with multichannel network intelligence instrument with the output of flowmeter, multichannel network intelligence instrument is connected with RS-485 network interface, frequency converter is also connected with RS-485 network interface respectively with the input of electric control valve.
Described multichannel network intelligence instrument is connected to form successively by signal access unit, signal conversion unit, isolation amplifying unit, embedded micro computer.
Described signal conversion unit comprise be made up of CD4502 voltage follower GS1 ~ GS6, digital regulation resistance X9241, microelectronic switch S1 ~ S7, precision resistance R1 ~ R11,74H573 latch SC, S1 ~ S7 microelectronic switch gating signal D2, D1, D0 are latched in SC, and BX is the chip selection signal of SC; Vout is the accurate reference power supply of 2.5V, and A1, A2 and A3 are the incoming end preparing figure signal, and B1, B2 and B3 are signal output part.
Control room is provided with two batching controllers, each batching controller comprises 16 input point I and 16 output point Q, described input point I is connected with the switching signal of the instructions from controller, and output point Q is connected with the input point of frequency converter or electric control valve.
Compared with prior art, the beneficial effects of the utility model are:
1, the utility model have employed " multichannel network intelligence instrument ", and one piece of instrument can meet the Data Detection of native system, is a kind of modular design.Achieve full digital networking, equipment is few, and circuit is few, and signal transmission is reliable, and precision is high, intelligent;
2, the utility model have employed independently developed batching controller BCS7, and each batching controller is designed with input I16 point and output Q16 point, can field programming, is a kind of modular design, highly versatile;
3, the utility model is by RS-485 interface, adopts Modbus field bus technique, achieves networked integration and control;
4, the utility model have employed GPRS long range radio transmissions technology, can realize remotely monitor and control.
Accompanying drawing explanation
Fig. 1 is cement sand and gravel mixing apparatus network intelligence control system block diagram.
Fig. 2 is multichannel network intelligence instrument module theory of constitution block diagram.
Fig. 3 is signal conversion unit circuit theory diagrams in multichannel network intelligence instrument module.
Fig. 4 is batching controller 1 elementary diagram.
Fig. 5 is batching controller 2 elementary diagram.
Fig. 6 is cement sand and gravel mixing apparatus metering process flow chart.
Fig. 7 is cement sand and gravel mixing apparatus powder, aggregate metering system block diagram.
Fig. 8 is cement sand and gravel mixing apparatus liquid gaging system block diagram.
Detailed description of the invention
Below in conjunction with Figure of description, the utility model is described in detail, but it should be noted that enforcement of the present utility model is not limited to following embodiment.
See Fig. 1, a kind of cement sand and gravel mixing apparatus network intelligence control system, comprise control room, Site Detection and executive system, field monitor system and GPRS long-distance radio communication system, by RS-485 interface, adopt Modbus field bus technique, the Site Detection of networking and field control and execution are carried out to cement sand and gravel mixing apparatus, control room comprises display, controller, batching controller, and display is arranged on controller, and controller, batching controller are connected with the network interface with fieldbus function respectively, Site Detection and executive system comprise sensor and flowmeter, multichannel network intelligence instrument, frequency converter, electric control valve, sensor and frequency converter be arranged on weigh aggregate and powder belt conveyer scale and helix balance on, flowmeter and electric control valve are arranged on and control on the waterpipe pump of fluid flow and liquor pump, sensor is connected with multichannel network intelligence instrument with the output of flowmeter, multichannel network intelligence instrument is connected with the network interface with fieldbus function, frequency converter is also connected with the network interface with fieldbus function respectively with the input of electric control valve, the various signals collected are converted to the signal of telecommunication and export to multichannel network intelligence instrument by sensor and flowmeter, multichannel network intelligence instrument exports to controller after the multi-channel electric signal of input is carried out analyzing and processing, according to input signal, instruction is sent to batching controller by controller again, batching controller sends instruction to realize the flow-control to aggregate, powder to frequency converter, and batching controller sends instruction to realize the control to fluid flow to electric control valve.
See Fig. 2, multichannel network intelligence instrument comprises signal access unit, signal conversion unit, isolation amplifying unit, embedded micro computer, signal enters signal conversion unit via after signal access unit gating, signal conversion unit converts various input signal the output voltage signal of standard to, the isolation amplification of standard output voltage signal after conversion again through isolating amplifying unit enters embedded micro computer, and the analog signal after isolation is amplified by embedded micro computer is converted to data signal and sends to controller.
See Fig. 3, signal conversion unit comprise be made up of CD4502 voltage follower GS1 ~ GS6, digital regulation resistance X9241, microelectronic switch S1 ~ S7, precision resistance R1 ~ R11,74H573 latch SC, voltage follower GS1 ~ GS6 is used for signal isolation, SC is for latching S1 ~ S7 microelectronic switch gating signal D2, D1, D0, and BX is the chip selection signal of SC; The accurate reference power supply of 2.5V that Vout provides for accurate reference power supply MAX872 module, A1, A2 and A3 are the incoming end preparing figure signal, and B1, B2 and B3 are signal output part.Signal conversion unit can the multi-signal such as received current, voltage, mv, mA, thermal resistance, thermocouple.Can transmitter be saved, directly connect sensor signal.
Control room is provided with two batching controller BCS7, and each batching controller BCS7 comprises 16 input point I and 16 output point Q, can program at scene; Input point I receives the input from the switching signal of controller instructions, and output point Q exports the instruction of unlatching or closing device to frequency converter or electric control valve.The external 24V control voltage of batching controller.
See Fig. 4, the input point I0.0 of batching controller 1, the turn on-switch of I0.1, I0.2, I0.3, I0.4, I0.5, I0.6 receive the command signal that air compressor machine starts, air compressor machine stops, finished bin is opened the door, mixer starts, mixer stops, flat belt starts, flat belt stops that controller sends successively.The turn on-switch of input point I1.0, I1.1, I1.2, I1.4, I1.5, I1.6, I1.7 receives that the oblique belt that controller sends starts successively, tiltedly belt stopping, flat belt stopping, cement bin 1 high charge level, the low material level of cement bin 1, coal ash storehouse 1 high charge level, the low material level in coal ash storehouse 1 command signal.
Output point Q0.0, Q0.1, Q0.2, Q0.3, Q0.4, Q0.5, Q0.6, Q0.7 send belt startups, mixer startups, flat belt startups, air compressor machine to frequency converter successively, aggregate 1 hand is automatic, aggregate 2 hand is automatic, warning, the automatic command signal of aggregate 3 hand.
See Fig. 5, the input point I2.0 of batching controller 2, the turn on-switch of I2.1, I2.2, I2.3, I2.4, I2.5, I2.6, I2.7 receive the instruction that aggregate bin 1 lacks material vibration signal, cement bin lacks material broken arch signal, coal ash storehouse lacks material broken arch signal, cement helix balance signal, coal ash helix balance signal, water pump signal, additive pump 1 signal, additive pump 2 signal that controller sends successively.
Output point Q1.0, Q1.1, Q1.2, Q1.3, Q1.4, Q1.5, Q1.6, Q1.7 send the signal instruction of aggregate bin vibration, cement bin broken arch, coal ash storehouse broken arch, cement bin dedusting, the dedusting of coal ash storehouse, cement helix balance, coal ash helix balance, water pump successively to frequency converter or electric control valve.Output point Q2.0, Q2.1, Q2.2, Q2.3, Q2.4, Q2.5, Q2.6, Q2.7 send additive pump 1, additive pump 2 to transmitter or electric control valve successively, aggregate 4 hand is automatic, cement hand is automatic, fine coal grey-hand is automatic, sailor is automatic, additive 1 hand is automatic, the automatic signal instruction of additive 2 hand.
See Fig. 6, the metering process flow process of cement sand and gravel mixing apparatus is as follows: start up system self-check program, after self-inspection is qualified, starts production routine and assigns a task with dosage ratio simultaneously, sets output and cumulative measurement.Dosage ratio comprises aggregate measuring, powder metering and liquid meter.See Fig. 7, Fig. 8, the metrical information of aggregate and powder is gathered respectively by the sensor be fixed on belt conveyer scale and helix balance, by the metrical information of the flowmeter collection liquid be fixed on liquor pump and waterpipe pump, information after collection is through network analysis and judge, if aggregate or powder metering are not, send instruction by system to frequency converter and continue filler, if liquid meter is inadequate, sends instruction by system to electric control valve and continue to dose liquid.If the information gathered is through network analysis, the flow of various filler is enough, then can complete output and stop metering.

Claims (4)

1. a cement sand and gravel mixing apparatus network intelligence control system, comprises control room, Site Detection and executive system, field monitor system and GPRS long-distance radio communication system, is connected respectively with RS-485 network interface, it is characterized in that, described control room comprises display, controller, batching controller, and display is arranged on controller, and controller, batching controller are connected with RS-485 network interface respectively, described Site Detection and executive system comprise sensor and flowmeter, multichannel network intelligence instrument, frequency converter, electric control valve, described sensor and frequency converter be arranged on weigh aggregate and powder belt conveyer scale and helix balance on, described flowmeter and electric control valve are arranged on and control on the waterpipe pump of fluid flow and liquor pump, sensor is connected with multichannel network intelligence instrument with the output of flowmeter, multichannel network intelligence instrument is connected with RS-485 network interface, frequency converter is also connected with RS-485 network interface respectively with the input of electric control valve.
2. a kind of cement sand and gravel mixing apparatus network intelligence control system according to claim 1, it is characterized in that, described multichannel network intelligence instrument is connected to form successively by signal access unit, signal conversion unit, isolation amplifying unit, embedded micro computer.
3. a kind of cement sand and gravel mixing apparatus network intelligence control system according to claim 2, it is characterized in that, described signal conversion unit comprise be made up of CD4502 voltage follower GS1 ~ GS6, digital regulation resistance X9241, microelectronic switch S1 ~ S7, precision resistance R1 ~ R11,74H573 latch SC, S1 ~ S7 microelectronic switch gating signal D2, D1, D0 are latched in SC, and BX is the chip selection signal of SC; Vout is the accurate reference power supply of 2.5V, and A1, A2 and A3 are the incoming end preparing figure signal, and B1, B2 and B3 are signal output part.
4. a kind of cement sand and gravel mixing apparatus network intelligence control system according to claim 1, it is characterized in that, control room is provided with two batching controllers, each batching controller comprises 16 input point I and 16 output point Q, described input point I is connected with the switching signal of the instructions from controller, and output point Q is connected with the input point of frequency converter or electric control valve.
CN201420488889.8U 2014-08-28 2014-08-28 A kind of cement sand and gravel mixing apparatus network intelligence control system Expired - Fee Related CN204160633U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420488889.8U CN204160633U (en) 2014-08-28 2014-08-28 A kind of cement sand and gravel mixing apparatus network intelligence control system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420488889.8U CN204160633U (en) 2014-08-28 2014-08-28 A kind of cement sand and gravel mixing apparatus network intelligence control system

Publications (1)

Publication Number Publication Date
CN204160633U true CN204160633U (en) 2015-02-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201420488889.8U Expired - Fee Related CN204160633U (en) 2014-08-28 2014-08-28 A kind of cement sand and gravel mixing apparatus network intelligence control system

Country Status (1)

Country Link
CN (1) CN204160633U (en)

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CF01 Termination of patent right due to non-payment of annual fee
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Granted publication date: 20150218

Termination date: 20160828