CN103203277B - Ball mill monitoring system based on smart cloud computing platform and monitoring method - Google Patents
Ball mill monitoring system based on smart cloud computing platform and monitoring method Download PDFInfo
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Abstract
The invention belongs to the technical field of monitoring on large-scale mine enterprise equipment operation, and particularly relates to a ball mill monitoring system based on a smart cloud computing platform and a monitoring method. The ball mill monitoring system based on the smart cloud computing platform is characterized by comprising a monitoring center based on the smart cloud computing platform, a system management private network, a system control private network, a system monitoring private network and a data collection monitoring module, wherein the data collection monitoring module comprises a data monitoring center, a data transmission device, a ball mill group monitoring module and a network electric quantity measuring module. The ball mill monitoring system and the monitoring method can realize the ball mill group monitoring of multiple production factories and mines of large-scale mine enterprises, all the monitoring systems are operated on the same platform and are supported by the cloud computing platform, and the comprehensive works such as mass data storage, optimized processing, intelligent decision, reasonable scheduling and comprehensive monitoring are rapidly finished in real time.
Description
Technical field
The invention belongs to large-scale mine business equipment operational monitoring technical field, especially relate to a kind of ball milling group of planes monitoring system and monitoring method based on wisdom cloud computing platform.
Background technology
In recent years, along with the expansion of mine capacity, when, low-grade deposit extensive in exploitation, how to shorten factory flow configuration, improve disposal ability, this just maximization to various grinding machine specifications, energy-conservation and operating rate have proposed urgent requirement.In order to improve life-span, the saving energy consumption of large-size ball mill, the base bearing of ball mill often adopts hydrostatic bearing structure.In order to make the continuous fault-free operation of large-size ball mill, need to be to the significant points of ball mill, or important technology parameter, as pressure, grinding charge plasmid degree, temperature, flow, liquid level, vibration and electric weight etc. carry out Real-Time Monitoring.
Mostly existing large-scale mine enterprise is to adopt analog quantity transformation device to carry out data acquisition to the monitoring technology of its separate unit ball mill equipment.1) this kind of data acquisition technology is the corresponding a set of transmitter of a parameter, and its collecting device complexity, line are many.In the time that collection is distant, as easy as rolling off a log being interfered, and expense is again high, and reliability is low.2) adopt analog quantity transformation device to carry out data acquisition, sometimes can only make pointer gauge and show.Indivedual data can be sent into PLC (Programmable Logic Controller) and become digital quantity processing, and its cost of equipment is high, needs again specialized engineering skill personnel to write complicated dedicated program.3) while adopting analog quantity transformation device to carry out data acquisition and data processing, need to be again equipped with more A/D conversion equipment and micro computer, its cost of equipment is also very high.
Mostly the monitoring system of the ball milling group of planes of existing large-scale mine enterprise to all factories and miness of subordinate is off-line, distributed.1) this kind of monitoring system distribution mode refers to that each factories and miness all have own independent monitoring works teacher station, the ball mill group facility of these factories and miness is carried out to Centralized Monitoring, but the unified platform of enterprise-level neither one can be realized the integral monitoring to all factories and miness ball mill equipments of subordinate.2) between the each factories and miness of enterprises, can not realize the mutual monitoring of ball mill equipment operation, can not realize equipment operation key technology economic indicator between factories and miness in real time to mark.
Summary of the invention
The object of the invention is provides a kind of ball milling group of planes monitoring system and monitoring method based on wisdom cloud computing platform for the deficiency of large-scale mine enterprise ball milling group of planes monitoring technology, can realize the ball milling group of planes monitoring of the multiple production factories and miness of large-scale mine enterprise, and under cloud computing platform is supported, all monitoring systems are moved in identical platform, so, economized the expense of overlapping investment, make again all investments all be fully used, investment is not wasted, also can save the dilatation of basic unit's equipment, can complete in real time fast mass data harvesting, optimization process, wisdom decision-making, rational management, supervision waits synthetic operation comprehensively.
The object of the invention is to realize by following technical proposals:
Ball milling group of planes monitoring system based on wisdom cloud computing platform of the present invention, it is characterized in that comprising the monitoring center based on wisdom cloud computing platform, under this monitoring center, be provided with successively system management private network, system management and control private network, system monitoring private network, the one group of data acquisition and monitoring module being connected with described system monitoring private network, described data acquisition and monitoring module comprises data monitoring center, data transmission device, ball milling group of planes monitoring modular, network module for metering electric quantity
Described data monitoring center comprises industrial computer, the data display screen that industrial computer is connected therewith,
Described data transmission device comprises power optical fiber or GPRS wireless telecommunications,
Described ball milling group of planes monitoring modular is made up of one group of ball mill unit monitoring modular, and described ball mill unit monitoring modular comprises the sensor being arranged on ball mill, the network signal acquisition module that sensor is connected therewith,
Described network module for metering electric quantity comprises a group network electric quantity metering device controller, one group of using electricity system that network electric quantity metering device controller is connected therewith respectively, this group of using electricity system is by mains supply, described network electric quantity metering device controller comprises current sensor CT, voltage sensor PT, ASLC-electrical measurement special chip, keyboard, LCD display, RS485 interface, house dog, reports to the police, clock circuit, DS18B20 temperature element, with light isolation open into, output signal end, current source
Described network signal acquisition module is connected with described power optical fiber or GPRS wireless telecommunications respectively with described network module for metering electric quantity, and described power optical fiber or GPRS wireless telecommunications are connected with described industrial computer,
Sensor on described ball mill comprises the temperature sensor being located on ball mill, pressure sensor, and vibrating sensor, granularity sensor, flow sensor, electrical quantity sensor and liquid level sensor,
Described network signal acquisition module comprises signal access unit, signal conversion unit, and isolation amplifying unit, embedded micro computer, described embedded micro computer is connected with described power optical fiber or GPRS wireless telecommunications,
Described signal access unit comprises " eight select one " chip UIN1, UIN2 and UIN3, gating signal QH, D
2, D
1and D
0control signal, the output terminals A being connected with described chip UIN1
1, the output terminals A being connected with described chip UIN2
2, the output terminals A being connected with described chip UIN3
3, described chip UIN1 is provided with input IN11～IN18, and described chip UIN2 is provided with input IN21～IN28, and described UIN3 is provided with input IN31～IN38, described output terminals A
1, A
2and A
3be connected with described signal conversion unit,
Described signal conversion unit comprises reference voltage source Vout, resistance R 1～R11, electronic switch S1～S7, latch SC, latch gating signal BX, impedance transformer GS1～GS6, variable resistance W1, D
2, D
1and D
0control signal, signal conversion output B1, B2 and B3, described signal conversion output B1, B2 are connected with described isolation amplifying unit with B3,
Described isolation amplifying unit comprises isolated location U
1, Programmable Gain Amplifier Circuit, described isolated location U
1comprise conversion capacitor C 1 and C2, microelectronics numeral single-pole double-throw switch (SPDT) KC11, KC12, KC21 and KC22, gating signal GL, the control signal D0 of microelectronics digital switch, described Programmable Gain Amplifier Circuit comprises accurate integrated operational amplifier U2, programmable resistive network U3, gain measurement circuit U 4, described programmable resistive network U3 is by digital regulation resistance SD1, SD2 and SD3 form, and described gain measurement circuit U 4 comprises digital switch K1, K2, normal voltage Vb, the control signal D1 of digital switch
Described embedded micro computer comprises A/D converter, reference voltage source, dsp controller, memory, network interface, USB interface, DS18B20 one-wire bus formula digital temperature transmitter.
A ball milling group of planes monitoring method for ball milling group of planes monitoring system based on wisdom cloud computing platform, is characterized in that: it comprises the steps:
A, on ball mill and ball mill hydrostatic bearing, according to different monitoring objectives, one group of sensor is set, comprise temperature sensor, pressure sensor, vibrating sensor, granularity sensor, flow sensor, electrical quantity sensor and liquid level sensor, in order to measure temperature, pressure, vibration, granularity, flow, electric weight and liquid level, obtain sensor output signal through sensor;
B, sensor output signal enter network signal acquisition module, and feed IN11～IN38 signal input part of signal access unit, simultaneously to signal access unit input QH gating signal, D
2, D
1and D
0control signal, is transformed into standard voltage signal I through A by sensor output signal
1, A
2and A
3end output is strobe state when QH gating signal is low level;
Through A
1, A
2and A
3the standard voltage signal I of end output feeds signal conversion unit, simultaneously to signal conversion unit input Vout reference voltage source, D
2, D
1and D
0control signal, is transformed into standard voltage signal II through B by standard voltage signal I
1, B
2with the output of B3 end, when enforcement, select Vout=2.5V, voltage ripple≤0.5%;
In order to make, signal is interference-free to be amplified, and standard voltage signal II is fed to isolation amplifying unit, simultaneously to isolation amplifying unit input GL gating signal, isolation control signal D
0and D
1, under the selected control of embedded micro computer, standard voltage signal II is transformed into amplified analog signal, when GL gating signal is low level, be strobe state; Amplified analog signal enters embedded micro computer and carries out A/D conversion, converts analog signal to data signal, and power optical fiber and GPRS wireless telecommunications can be stored or be transferred to data signal after digital signal processor DSP is processed;
C, network module for metering electric quantity gather ball mill and ball mill hydrostatic bearing electric weight, complete metering, processing, storage and the transmission of multiple electric weight;
The data that the data that D, network signal acquisition module collect and network module for metering electric quantity collect enter the data monitoring center of data acquisition and monitoring module through power optical fiber or GPRS wireless telecommunications, and feed the industrial computer at data monitoring center, show data by the data display screen that industrial computer is connected therewith, for the scheduling of management and running department;
E, the data that above-mentioned all data acquisition and monitoring modules are collected are transferred to the monitoring center of system monitoring private network-system management and control private network-system management private network-based on wisdom cloud computing platform step by step.
F, monitoring center based on wisdom cloud computing platform, the data that collect are carried out to real-time storage, by combining these data are carried out to statistical analysis with the technological process of production, present situation in equipment management, power consumption influence factor, fault statistics rule, realize ball milling realtime monitoring, the allotment of grinding wisdom, the prediction of ball milling electric weight wisdom and the early warning of ball milling fault wisdom.
Advantage of the present invention:
(1) the present invention has adopted the directly network intelligence data acquisition module gasifying device of input of multichannel, multiple sensors, can realize real-time, comprehensive, the many reference amounts monitoring of the states such as pressure, grinding charge plasmid degree, temperature, flow, liquid level, vibration, electric weight and on-the-spot operation, notebook data acquisition module volume is little, it is flexible, easy and simple to handle to use, highly versatile, intelligent network, applicable to multiple occasions such as detection and controls, it is the desirable control system of network intelligence data monitoring;
(2) in the present invention, in factories and miness, adopted " power optical fiber " as netting twine, in power line, be covered with communication optical fiber, can specification netting twine stringing, greatly improved communication way and network speed, be large-scale factories and miness network practical technique;
(3) network security technology that has adopted three nets to separate in the present invention, by construction system management and control private network between system management private network and system monitoring private network, has strengthened security and the stability of transfer of data;
(4) the ball milling group of planes monitoring system based on wisdom cloud computing platform of the present invention, can realize the ball milling group of planes monitoring of large-scale multiple barghs, by real time data is combined with the technological process of production, present situation in equipment management, power consumption influence factor, fault statistics rule, realize ball milling realtime monitoring, the allotment of grinding wisdom, the prediction of ball milling electric weight wisdom, the early warning of ball milling fault wisdom;
(5) under cloud computing platform is supported, can save the dilatation of basic unit's equipment, because cloud platform can effectively provide the needed service of equipment dilatation and terminal device, and can be at the demand response based on minute level, can complete in real time the synthetic operations such as mass data harvesting, optimization process, wisdom decision-making, rational management, comprehensive supervision;
(6) the large-scale enterprise application that the technology of the present invention also can contain multiple subsidiaries.
Brief description of the drawings
Fig. 1 is ball milling group of planes Fundamentals of Supervisory Systems figure of the present invention.
Fig. 2 is the schematic diagram of data acquisition and monitoring module of the present invention.
Fig. 3 is Ball Mill System composition frame chart of the present invention.
Fig. 4 is ball mill structural representation of the present invention.
Fig. 5 is hydrostatic bearing hydraulic system principle figure of the present invention.
Fig. 6 is network signal acquisition module schematic diagram of the present invention.
Fig. 7 is signal access unit composition diagram of the present invention.
Fig. 8 is signal conversion unit composition diagram of the present invention.
Fig. 9 is that the present invention isolates amplifying unit composition diagram.
Figure 10 is the embedded micro computer composition diagram of the present invention.
Figure 11 is network module for metering electric quantity schematic diagram of the present invention.
Figure 12 is network electric quantity metering device controller composition diagram of the present invention.
Detailed description of the invention
Further illustrate the specific embodiment of the present invention below in conjunction with accompanying drawing.
, may there be multiple mine subsidiary in a large-scale mine enterprise, and there are many table grinders in each subsidiary, or claims a ball milling group of planes, and a table grinder system is made up of ball mill and hydrostatic bearing two large divisions again.As shown in Figure 1, a kind of ball milling group of planes monitoring system based on wisdom cloud computing platform of the present invention, it is characterized in that comprising the monitoring center based on wisdom cloud computing platform, under this monitoring center, be provided with successively system management private network, system management and control private network, system monitoring private network, the one group of data acquisition and monitoring module being connected with described system monitoring private network, as shown in Figure 2, described data acquisition and monitoring module comprises data monitoring center, data transmission device, ball milling group of planes monitoring modular, network module for metering electric quantity
Described wisdom cloud computing platform refers to a kind of cloud computing platform that the large enterprise of multiple subordinate's factories and miness is self-built, and this platform is equipped with hardware and intelligent software system.The system management private network that the described monitoring center based on wisdom cloud computing platform divides into, system management and control private network, system monitoring private network has formed safe, stable, the passage rapidly and efficiently of real-time Data Transmission between monitoring center and all factories and miness of subordinate inspection center, and this passage has ensured independence, the security of factories and miness control private network by the mode of three nets isolation.
System management private network refers to the internal office work LAN of large enterprise.
System monitoring private network refers to the control monitor network of the each factories and miness of the subordinate of large enterprise inside, this network taking electric power light as medium, follow Profibus-DP or Modbus agreement.
System management and control private network is the looped network of building specially for the ball milling group of planes monitoring system based on wisdom cloud computing platform, plays the effect that data stabilization is mutual, network security is cut off between system management private network and system monitoring private network.
As shown in Figure 2, described data monitoring center comprises industrial computer, the data display screen that industrial computer is connected therewith,
Described data transmission device comprises power optical fiber or GPRS wireless telecommunications,
Described ball milling group of planes monitoring modular is made up of one group of ball mill unit monitoring modular, and described ball mill unit monitoring modular comprises the sensor being arranged on ball mill, the network signal acquisition module that sensor is connected therewith,
As shown in Figure 11,12, described network module for metering electric quantity comprises a group network electric quantity metering device controller, one group of using electricity system that network electric quantity metering device controller is connected therewith respectively, this group of using electricity system is by mains supply, and described network electric quantity metering device controller comprises current sensor CT, voltage sensor PT, ASLC-electrical measurement special chip, keyboard, LCD display, RS485 interface, house dog, report to the police, clock circuit, DS18B20 temperature element, with light isolation open into, output signal end, current source
As shown in Figure 2, described network signal acquisition module is connected with described power optical fiber or GPRS wireless telecommunications respectively with described network module for metering electric quantity, and described power optical fiber or GPRS wireless telecommunications are connected with described industrial computer,
As shown in Fig. 3,4 and 5, a ball milling group of planes can comprise multiple Ball Mill Systems, and a Ball Mill System is made up of ball mill and hydrostatic bearing two large divisions again, and Fig. 3 has shown the composition of Ball Mill System.Sensor on described ball mill comprises the temperature sensor being located on ball mill, pressure sensor, vibrating sensor, granularity sensor, flow sensor, electrical quantity sensor and liquid level sensor.Fig. 4 and Fig. 5 have shown respectively structure and the hydrostatic bearing Hydraulic System Principle of ball mill.Motor 8 drives travelling gear 4 to drive ball mill work as shown in Figure 4, will carry out flow detection at discharging opening 1 and the charging aperture 6 of ball mill; Discharging opening 1 will carry out pulp granularity detection; Discharging opening hydrostatic bearing 2, cylinder 3, charging aperture hydrostatic bearing 5, charging aperture 6, reductor 7 and motor 8 will vibrate and temperature detection; As shown in Figure 5, No. four pressure sensors are connected with discharge end main bearing shell with feed end main bearing shell respectively, can detect bearing shell charge oil pressure, and in fuel tank, to carry out oil temperature and liquid level and detect,
As shown in Figure 6, described network signal acquisition module comprises signal access unit, signal conversion unit, and isolation amplifying unit, embedded micro computer, described embedded micro computer is connected with described power optical fiber or GPRS wireless telecommunications,
As shown in Figure 7, described signal access unit comprises " eight select one " chip UIN1, UIN2 and UIN3, gating signal QH, D
2, D
1and D
0control signal, the output terminals A being connected with described chip UIN1
1, the output terminals A being connected with described chip UIN2
2, the output terminals A being connected with described chip UIN3
3, described chip UIN1 is provided with input IN11～IN18, and described chip UIN2 is provided with input IN21～IN28, and described UIN3 is provided with input IN31～IN38, described output terminals A
1, A
2and A
3be connected with described signal conversion unit,
As shown in Figure 8, described signal conversion unit comprises reference voltage source Vout, resistance R 1～R11, electronic switch S1～S7, latch SC, latch gating signal BX, impedance transformer GS1～GS6, variable resistance W1, D
2, D
1and D
0control signal, signal conversion output B1, B2 and B3, described signal conversion output B1, B2 are connected with described isolation amplifying unit with B3,
As shown in Figure 9, described isolation amplifying unit comprises isolated location U
1, Programmable Gain Amplifier Circuit, described isolated location U
1comprise conversion capacitor C 1 and C2, microelectronics numeral single-pole double-throw switch (SPDT) KC11, KC12, KC21 and KC22, gating signal GL, the control signal D0 of microelectronics digital switch, described Programmable Gain Amplifier Circuit comprises accurate integrated operational amplifier U2, programmable resistive network U3, gain measurement circuit U 4, described programmable resistive network U3 is by digital regulation resistance SD1, SD2 and SD3 form, and described gain measurement circuit U 4 comprises digital switch K1, K2, normal voltage Vb, the control signal D1 of digital switch
As shown in figure 10, described embedded micro computer comprises A/D converter, reference voltage source, dsp controller, memory, network interface, USB interface, DS18B20 one-wire bus formula digital temperature transmitter.
A ball milling group of planes monitoring method for ball milling group of planes monitoring system based on wisdom cloud computing platform, is characterized in that: it comprises the steps:
A, on ball mill and ball mill hydrostatic bearing, according to different monitoring objectives, one group of sensor is set, comprise temperature sensor, pressure sensor, vibrating sensor, granularity sensor, flow sensor, electrical quantity sensor and liquid level sensor, in order to measure temperature, pressure, vibration, granularity, flow, electric weight and liquid level, obtain sensor output signal through sensor;
B, sensor output signal enter network signal acquisition module, and feed IN11～IN38 signal input part of signal access unit, simultaneously to signal access unit input QH gating signal, D
2, D
1and D
0control signal, is transformed into standard voltage signal I through A by sensor output signal
1, A
2and A
3end output is strobe state when QH gating signal is low level;
Through A
1, A
2and A
3the standard voltage signal I of end output feeds signal conversion unit, simultaneously to signal conversion unit input Vout reference voltage source, D
2, D
1and D
0control signal, is transformed into standard voltage signal II through B by standard voltage signal I
1, B
2with the output of B3 end, when enforcement, select Vout=2.5V, voltage ripple≤0.5%;
In order to make, signal is interference-free to be amplified, and standard voltage signal II is fed to isolation amplifying unit, simultaneously to isolation amplifying unit input GL gating signal, isolation control signal D
0and D
1, under the selected control of embedded micro computer, standard voltage signal II is transformed into amplified analog signal, when GL gating signal is low level, be strobe state; Amplified analog signal enters embedded micro computer and carries out A/D conversion, converts analog signal to data signal, and power optical fiber and GPRS wireless telecommunications can be stored or be transferred to data signal after digital signal processor DSP is processed;
C, network module for metering electric quantity gather ball mill and ball mill hydrostatic bearing electric weight, complete metering, processing, storage and the transmission of multiple electric weight;
The data that the data that D, network signal acquisition module collect and network module for metering electric quantity collect enter the data monitoring center of data acquisition and monitoring module through power optical fiber or GPRS wireless telecommunications, and feed the industrial computer at data monitoring center, show data by the data display screen that industrial computer is connected therewith, for the scheduling of management and running department;
E, the data that above-mentioned all data acquisition and monitoring modules are collected are transferred to the monitoring center of system monitoring private network-system management and control private network-system management private network-based on wisdom cloud computing platform step by step;
F, monitoring center based on wisdom cloud computing platform, the data that collect are carried out to real-time storage, by combining these data are carried out to statistical analysis with the technological process of production, present situation in equipment management, power consumption influence factor, fault statistics rule, realize ball milling realtime monitoring, the allotment of grinding wisdom, the prediction of ball milling electric weight wisdom and the early warning of ball milling fault wisdom.
The present invention is all transplanted to original all monitoring platforms on cloud platform, adopts reliable, the stable running environment of cloud platform to carry out support ball grinding machine and detects.Because of the cloud platform of the stable linux system of the increasing income independent research of the bottom employing of system, ensure that detection system can stable operation in 7*24 hour.
Claims (2)
1. the ball milling group of planes monitoring system based on wisdom cloud computing platform, it is characterized in that comprising the monitoring center based on wisdom cloud computing platform, under this monitoring center, be provided with successively system management private network, system management and control private network, system monitoring private network, the one group of data acquisition and monitoring module being connected with described system monitoring private network, described data acquisition and monitoring module comprises data monitoring center, data transmission device, ball milling group of planes monitoring modular, network module for metering electric quantity
Described data monitoring center comprises industrial computer, the data display screen that industrial computer is connected therewith,
Described data transmission device comprises power optical fiber or GPRS wireless telecommunications,
Described ball milling group of planes monitoring modular is made up of one group of ball mill unit monitoring modular, and described ball mill unit monitoring modular comprises the sensor being arranged on ball mill, the network signal acquisition module that sensor is connected therewith,
Described network module for metering electric quantity comprises a group network electric quantity metering device controller, one group of using electricity system that network electric quantity metering device controller is connected therewith respectively, this group of using electricity system is by mains supply, described network electric quantity metering device controller comprises current sensor CT, voltage sensor PT, ASLC-electrical measurement special chip, keyboard, LCD display, RS485 interface, house dog, reports to the police, clock circuit, DS18B20 temperature element, with light isolation open into, output signal end, current source
Described network signal acquisition module is connected with described power optical fiber or GPRS wireless telecommunications respectively with described network module for metering electric quantity, and described power optical fiber or GPRS wireless telecommunications are connected with described industrial computer,
Sensor on described ball mill comprises the temperature sensor being located on ball mill, pressure sensor, and vibrating sensor, granularity sensor, flow sensor, electrical quantity sensor and liquid level sensor,
Described network signal acquisition module comprises signal access unit, signal conversion unit, and isolation amplifying unit, embedded micro computer, described embedded micro computer is connected with described power optical fiber or GPRS wireless telecommunications,
Described signal access unit comprises " eight select one " chip UIN1, UIN2 and UIN3, gating signal QH, D
2, D
1and D
0control signal, the output terminals A being connected with described chip UIN1
1, the output terminals A being connected with described chip UIN2
2, the output terminals A being connected with described chip UIN3
3, described chip UIN1 is provided with input IN11～IN18, and described chip UIN2 is provided with input IN21～IN28, and described UIN3 is provided with input IN31～IN38, described output terminals A
1, A
2and A
3be connected with described signal conversion unit,
Described signal conversion unit comprises reference voltage source Vout, resistance R 1～R11, electronic switch S1～S7, latch SC, latch gating signal BX, impedance transformer GS1～GS6, variable resistance W1, D
2, D
1and D
0control signal, signal conversion output B1, B2 and B3, described signal conversion output B1, B2 are connected with described isolation amplifying unit with B3,
Described isolation amplifying unit comprises isolated location U
1, Programmable Gain Amplifier Circuit, described isolated location U
1comprise conversion capacitor C 1 and C2, microelectronics numeral single-pole double-throw switch (SPDT) KC11, KC12, KC21 and KC22, gating signal GL, the control signal D0 of microelectronics digital switch, described Programmable Gain Amplifier Circuit comprises accurate integrated operational amplifier U2, programmable resistive network U3, gain measurement circuit U 4, described programmable resistive network U3 is by digital regulation resistance SD1, SD2 and SD3 form, and described gain measurement circuit U 4 comprises digital switch K1, K2, normal voltage Vb, the control signal D1 of digital switch
Described embedded micro computer comprises A/D converter, reference voltage source, dsp controller, memory, network interface, USB interface, DS18B20 one-wire bus formula digital temperature transmitter.
2. a ball milling group of planes monitoring method for the ball milling group of planes monitoring system based on wisdom cloud computing platform, is characterized in that: it comprises the steps:
A, on ball mill and ball mill hydrostatic bearing, according to different monitoring objectives, one group of sensor is set, comprise temperature sensor, pressure sensor, vibrating sensor, granularity sensor, flow sensor, electrical quantity sensor and liquid level sensor, in order to measure temperature, pressure, vibration, granularity, flow, electric weight and liquid level, obtain sensor output signal through sensor;
B, sensor output signal enter network signal acquisition module, and feed IN11～IN38 signal input part of signal access unit, simultaneously to signal access unit input QH gating signal, D
2, D
1and D
0control signal, is transformed into standard voltage signal I through A by sensor output signal
1, A
2and A
3end output is strobe state when QH gating signal is low level;
Through A
1, A
2and A
3the standard voltage signal I of end output feeds signal conversion unit, simultaneously to signal conversion unit input Vout reference voltage source, D
2, D
1and D
0control signal, is transformed into standard voltage signal II through B by standard voltage signal I
1, B
2with the output of B3 end, when enforcement, select Vout=2.5V, voltage ripple≤0.5%;
In order to make, signal is interference-free to be amplified, and standard voltage signal II is fed to isolation amplifying unit, simultaneously to isolation amplifying unit input GL gating signal, isolation control signal D
0and D
1, under the selected control of embedded micro computer, standard voltage signal II is transformed into amplified analog signal, when GL gating signal is low level, be strobe state; Amplified analog signal enters embedded micro computer and carries out A/D conversion, converts analog signal to data signal, and power optical fiber and GPRS wireless telecommunications can be stored or be transferred to data signal after digital signal processor DSP is processed;
C, network module for metering electric quantity gather ball mill and ball mill hydrostatic bearing electric weight, complete metering, processing, storage and the transmission of multiple electric weight;
The data that the data that D, network signal acquisition module collect and network module for metering electric quantity collect enter the data monitoring center of data acquisition and monitoring module through power optical fiber or GPRS wireless telecommunications, and feed the industrial computer at data monitoring center, show data by the data display screen that industrial computer is connected therewith, for the scheduling of management and running department;
E, the data that above-mentioned data acquisition and monitoring module is collected are transferred to the monitoring center of system monitoring private network-system management and control private network-system management private network-based on wisdom cloud computing platform step by step;
F, monitoring center based on wisdom cloud computing platform, the data that collect are carried out to real-time storage, by combining these data are carried out to statistical analysis with the technological process of production, present situation in equipment management, power consumption influence factor, fault statistics rule, realize ball milling realtime monitoring, the allotment of grinding wisdom, the prediction of ball milling electric weight wisdom and the early warning of ball milling fault wisdom.
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Address after: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee after: Anshan Iron and Steel Group Mining Co., Ltd. Address before: 114001 Anshan District, Liaoning, No. 219 Road, No. 39, Tiedong Patentee before: Angang Group Mine Company |