CN109164772B - Control method of flame-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device - Google Patents
Control method of flame-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 52
- 238000004891 communication Methods 0.000 claims abstract description 25
- 239000003245 coal Substances 0.000 claims abstract description 21
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 239000000779 smoke Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims description 3
- 230000003111 delayed effect Effects 0.000 claims description 2
- 238000005507 spraying Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 4
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41865—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by job scheduling, process planning, material flow
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/31—From computer integrated manufacturing till monitoring
- G05B2219/31457—Factory remote control, monitoring through internet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The invention discloses a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device, which comprises a Siemens PLC and is characterized in that: the system also comprises a loading parking, picture and MODBUS secondary control method, has manual and automatic modes, and can realize the sequence of 'starting against coal flow and parking along coal flow'. Through MODBUS communication protocol, relevant data are read and written in time, the function of remote monitoring of a plurality of Can boards of a plurality of touch screens Can be realized, data transmission is fast, signal attenuation is small, and the interference killing feature is strong.
Description
Technical Field
The patent relates to a control method of a multi-touch screen multi-Can-plate centralized control device, in particular to a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
Background
The main transportation mode of coal mine underground coal is belt conveyor, and according to the actual condition in the coal mine underground, the belt conveyor has the characteristics of explosion-proof type multistage belt conveyor, the belt conveyor distance is far, usually hundreds of meters or thousands of meters are far away, workers need timely monitoring devices in different places, and the multistage belt conveyor has more monitoring data and needs multipoint monitoring. The existing monitoring system only monitors on a main control cabinet or adds an upper computer for monitoring, and cannot meet the monitoring of multiple points, multiple screens and multiple data.
The relevant patent explosion-proof type multilevel multi-CAN board with transmission multi-touch screen is connected with a remote centralized control device in parallel, and the publication number is CN 105607572B; the touch screen display control device of the mining explosion-proof type multistage belt type transportation centralized control device is disclosed as CN 105501888B; an industrial personal computer display control device of the mining explosion-proof type multistage belt type transportation centralized control device is disclosed as CN 105621059B; the hardware structures of the host and the display system of the flameproof multi-level belt type transportation centralized control device are respectively described, but the working principle and the control method of the host and the display system are not specifically described.
Disclosure of Invention
In order to solve the problems, the invention specifically describes a control method of an explosion-proof four-level belt conveying multi-touch-screen multi-Can-plate centralized control device.
The technical scheme adopted by the control method of the explosion-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device is as follows:
the control method of the flame-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device comprises a Siemens PLC, wherein the following N Can be 1, 2, 3 and 4, and the control method is characterized in that: loading an MODBUS, parking and picture secondary control method;
n can be 1, 2, 3 and 4, and respectively represents 1, 2, 3 and 4 stages of belt conveying.
(1) Loading parking, picture and MODBUS secondary control methods;
the control method comprises loading MODBUS, parking and picture secondary control methods.
(1.1) the MODBUS secondary control method comprises the following steps: after power-on, setting the mode, baud rate, parity check and timeout time of the MODBUS master device communication protocol through an MBUS _ CTRL instruction, and starting a cycle read-write timer;
after the centralized control device is powered on, setting the mode, baud rate, parity check and timeout time parameters of the MODBUS master device communication protocol through an MBUS _ CTRL instruction, and starting a cycle read-write timer;
through a BLKMOV _ B instruction, moving digital quantity data and voltage digital quantity data of a digital quantity input port, a console control, manual operation, automatic operation, emergency stop, reset, an upper key, a lower key, a left key, a right key, a confirmation key, a site on N, a console on N, a contact feedback N, a band-type brake N, smoke N, coal piling N, starting acousto-optic early warning of a digital quantity output port, a motor N, a communication fault N, water spraying N, discrete data of a bit memory area and an analog quantity/digital quantity conversion expansion module output port to a variable memory area of the PLC;
reading the address, front deviation N, middle deviation N, rear deviation N, speed N, motor N temperature, roller N-1 temperature, roller N-2 temperature and roller N-3 temperature data of each pull-switch on a Can-1, Can-2, Can-3 and Can-4 plate into a variable memory area of the PLC through a reading instruction of MBUS _ MSG;
respectively writing the data in the variable memory area of the PLC into a register of the touch screen N through a writing instruction of the MBUS _ MSG, and outputting a communication fault N signal when a communication fault of the touch screen N occurs;
moving data of an input end and an output end of the PLC and voltage and current data acquired by an analog quantity/digital quantity conversion expansion module to a variable memory area of the PLC through a BLKMOV _ B data block moving instruction, and reading addresses, front deviation N, middle deviation N, rear deviation N, speed N, motor N temperature, roller N-1 temperature, roller N-2 temperature and roller N-3 temperature data of various pull-off switches acquired on Can-1, Can-2 and Can-3 boards through an MBUS _ MSG reading instruction to read the variable memory area of the PLC; and then, respectively writing the data of the variable memory area of the PLC into a register of the touch screen N through an MBUS _ MSG writing instruction, and outputting a communication fault N signal when the communication fault of the touch screen N occurs.
The control method takes the PLC as a master station and each touch screen as a slave station, and data transmission is carried out through an MODBUS communication protocol.
(1.2) the parking level control method comprises the following steps: emergency stop signals and emergency stop signals;
the parking is divided into two situations, one is emergency parking and the other is accident parking.
The emergency stop signal includes: if any one of the emergency stop switch or the pull switch on the main console, the local control box and the touch screen is pressed down, the emergency stop signal is 1; after a reset key on the main console or the touch screen is pressed, the emergency stop signal is equal to 0;
the emergency stop refers to that when an emergency occurs, the emergency stop switch on the main console, the local control box and the touch screen is pressed down or the pull switches arranged on the belt conveying line are pressed down, all the belt conveying stops running, and larger accidents are avoided.
The emergency stop signal includes: if the N signal of the accident parking is 1, the signal of the accident parking is 1;
the signal of the accident parking N comprises: the contact feedback N control method is characterized in that after the centralized control device is started and delayed, if the N-th-level belt conveying has a contact fault, if monitoring is kept, the accidental stop N is 1, and if monitoring is cancelled, the accidental stop N is 0; the control method of the current over-current N and over-current time, the voltage under-voltage or over-voltage and under-voltage or over-voltage time, the band-type brake N, the smoke N, the coal pile N, the speed N, the front deviation N, the middle deviation N, the rear deviation N, the motor N temperature, the front roller N temperature, the middle roller N temperature and the rear roller N temperature is the same as the contact feedback N control method; after a reset key on the main console or the touch screen is pressed, the accident parking N is 0;
the N signal of the accident parking refers to 1 when the contact point feedback N, the current overcurrent N and the overcurrent time are up, the voltage is under-voltage or over-voltage and the under-voltage or over-voltage time is up, the band-type brake N, the smoke N, the coal piling N, the speed N, the front deviation N, the middle deviation N, the rear deviation N, the motor N temperature, the front roller N temperature, the middle roller N temperature and the rear roller N temperature are failed, and the monitoring is kept; if the monitoring is cancelled, the accident parking N is equal to 0; after a reset key is pressed, the accident parking N is equal to 0; and if any belt conveying accident stop N signal is equal to 1, the accident stop signal is equal to 1.
(1.3) the picture secondary control method comprises the following steps: initializing a main monitoring interface, starting the N-level belt conveying, timing time at intervals 1/4 of four arrows on the N-level belt conveying on the touch screen, and sequentially and circularly hiding to reflect the running state and direction of the belt conveying;
in the main monitoring interface, when the belt conveying is stopped, four circles are displayed on the conveying belt; the belt conveying operation is shown by four arrows on the conveying belt, each arrow interval 1/4 is timed, and the time is sequentially and circularly hidden, so that the operation condition and the direction of the belt conveying are reflected.
(2) If the local manual control switch is turned on and the N-level belt conveying starting button on the local control box is pressed, or the centralized control and manual switch are turned on and the N-level belt conveying starting button on the main control console is pressed, the manual starting signal N is 1;
if the point-operated/self-holding selection switch is in point operation or is in self-holding state, starting acousto-optic early warning and delaying, and starting N-level belt conveying;
if an N-level belt conveying stop button on the local control box is pressed, or an N-level belt conveying stop button on a console is pressed, or an accident stop or emergency stop signal occurs, the Nth-level belt is conveyed to stop;
the belt transport operation has two modes, manual and automatic. If the local manual control switch is turned on and the N-level belt conveying starting button on the local control box is pressed, or the centralized control and manual switch are turned on and the N-level belt conveying starting button on the main control console is pressed, the belt conveying operation is in a manual mode, and a manual starting signal N is equal to 1;
under the manual mode, two operation modes of click action/self-holding are provided, and N-level belt conveying is directly started under the click action operation mode; under a self-holding operation mode, after starting acousto-optic early warning and delaying, starting N-level belt conveying;
and if an N-level belt conveying stop button on the local control box is pressed, or an N-level belt conveying stop button on the console is pressed, or an accident stop or emergency stop signal occurs, the started N-level belt conveying stop is carried out.
(3) If the centralized control and automatic control switch on the main console is turned on, when a 4 th-level belt conveying starting button on the main console is pressed, the automatic starting signal is 1; after starting acousto-optic early warning and delaying, starting the 4 th-level belt for conveying; after delaying, starting the 3 rd-level belt conveying; after delaying, starting the 2 nd-level belt conveying; after time delay, starting the 1 st level belt for conveying;
if a 1 st-level belt conveying stop button on the main control console is pressed or an accident stop 1 signal occurs, stopping conveying of the 1 st-level belt, and stopping conveying of the 2 nd-level belt after time delay; after delaying, stopping conveying the 3 rd-level belt; after delaying, stopping conveying the 4 th-level belt;
if the accident stopping 2 signal occurs, the conveying of the 1 st-level and the 2 nd-level belts is stopped, and after time delay, the conveying of the 3 rd-level belt is stopped; after delaying, stopping conveying the 4 th-level belt;
if the accident stop 3 signal occurs, the conveying of the 1 st, 2 nd and 3 rd level belts is stopped, and after the time delay, the conveying of the 4 th level belt is stopped;
if an emergency stop signal or an accident stop 4 signal occurs, stopping conveying all the belts;
if the centralized control and automatic control switch on the main console is turned on, the centralized control device is in an automatic mode. Pressing a 4 th-level belt conveying starting button on the main console to enable an automatic starting signal to be 1; after starting acousto-optic early warning and delaying, starting the 4 th-level belt for conveying; after delaying, starting the 3 rd-level belt conveying; after delaying, starting the 2 nd-level belt conveying; after time delay, starting the 1 st level belt for conveying; and 4, 3, 2 and 1 stages of belt conveying are started in sequence, so that the reverse coal flow is started in sequence.
If a 1 st-level belt conveying stop button on the main control console is pressed or an accident stop 1 signal occurs, stopping conveying of the 1 st-level belt, and stopping conveying of the 2 nd-level belt after time delay; after delaying, stopping conveying the 3 rd-level belt; after delaying, stopping conveying the 4 th-level belt;
if the accident stopping 2 signal occurs, the conveying of the 1 st-level and the 2 nd-level belts is stopped, and after time delay, the conveying of the 3 rd-level belt is stopped; after delaying, stopping conveying the 4 th-level belt;
if the accident stop 3 signal occurs, the conveying of the 1 st, 2 nd and 3 rd level belts is stopped, and after the time delay, the conveying of the 4 th level belt is stopped;
if an emergency stop signal or an accident stop 4 signal occurs, stopping conveying all the belts;
by the control method, the belt conveying at the Nth level with faults and before the N level is stopped, and the belt conveying at the Nth level is stopped according to the sequence of coal flow.
The invention has the beneficial effects that: the control method of the flame-proof four-stage belt conveying multi-touch screen multi-Can plate centralized control device has a manual mode and an automatic mode, Can realize the sequence of 'starting against coal flow and stopping along coal flow', Can realize the functions of monitoring and temporarily canceling monitoring of contact feedback N, current over-current N and over-current time reaching, voltage under-voltage or over-voltage or under-voltage or over-voltage time reaching, band-type brake N, smoke N, coal piling N, speed N, front deviation N, middle deviation N, rear deviation N, motor N temperature, front roller N temperature, middle roller N temperature and rear roller N temperature; the display belt conveying operation condition Can be displayed, related data Can be read and written in time through an MODBUS communication protocol, the function of remote monitoring of a plurality of Can plates of a multi-touch screen Can be realized, data transmission is fast, signal attenuation is small, and the anti-interference capability is strong.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device.
FIG. 2 is a picture secondary control method of a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
FIG. 3 is a parking secondary control method of a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
FIG. 4 shows an emergency stop signal of a control method of the explosion-proof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
FIG. 5 is a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device for accident stop signals.
FIG. 6 is a contact feedback N control method of a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device.
FIG. 7 is a control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device for accident parking N signal control.
FIG. 8 is a control method MODBUS secondary control method of an explosion-proof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
FIG. 9 is a main console diagram of a control method of the flameproof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
FIG. 10 is a PLC wiring diagram of a control method of the flameproof four-level belt conveying multi-touch screen multi-Can-plate centralized control device.
FIG. 11 is a main interface diagram of a configuration software monitoring system of a control method of a flameproof four-level belt-conveying multi-touch-screen multi-Can-plate centralized control device.
Detailed Description
The embodiment is a four-level belt conveyor, the PLC used is Siemens' S7-200CN series CPU226 type PLC, and the programming software used is V4.0STEP 7MicroWIN SP 9. The PLC has two communication PORTs, PORT0 and PORT 1. After the communication PORTs of the touch screen 1, the touch screen 2, the touch screen 3, the touch screen 4, the Can board 1, the Can board 2, the Can board 3 and the Can board 4 are connected in parallel, the communication PORTs are connected with a communication PORT PORT0 of the PLC, and a PORT1 is connected with a communication PORT of the upper computer.
The input/output expansion modules are Siemens EM223 and 16DC/16REL, the input expansion modules are EM221 and 16DC, the analog quantity/digital quantity conversion expansion modules SM331 and 8AD, and each touch screen is an MT4404T model 10-inch touch screen produced by Shanghai Walker.
The system comprises a field control/console control selection switch, a manual/automatic selection switch, an emergency stop, a reset, a field start 1, a field start 2, a field start 3, a field start 4, a field stop 1, a field stop 2, a field stop 3, a field stop 4, a console start 1, a console start 2, a console start 3, a console 4 start, a console stop 1, a console stop 2, a console stop 3, a console stop 4, an upper key, a lower key, a left key, a right key and a confirmation key button, wherein the contact feedback 1, the contact feedback 2, the contact feedback 3, the contact feedback 4, a band-type brake 1, a band-type brake 2, a band-type brake 4, smoke 1, smoke 2, smoke 3, smoke 4, coal pile 1, coal pile 2, coal pile 3 and coal pile 4 are connected with an input port of a PLC through a switch.
The acousto-optic early warning, the motor 1, the motor 2, the motor 3, the motor 4, the communication fault 1, the communication fault 2, the communication fault 3, the communication fault 4, the sprinkling 1, the sprinkling 2, the sprinkling 3 and the sprinkling 4 relay are started, and the output port of the plc is connected.
The data of the addresses of the pull switches on the Can-1, Can-2, Can-3 and Can-4 boards, the front deviation N, the middle deviation N, the rear deviation N, the speed N, the temperature of the motor N, the temperature of the roller N-1, the temperature of the roller N-2 and the temperature of the roller N-3 are transmitted to a variable memory area of the PLC through a PORT0 PORT of the PLC.
And then the control method writes the data of the variable memory area of the PLC into a register of the touch screen N respectively, and outputs a communication fault signal and a specific fault position when a communication fault occurs.
If the local manual control switch is turned on and the N-level belt conveying starting button on the local control box is pressed, or the centralized control and manual switch is turned on and the N-level belt conveying starting button on the main control console is pressed, the manual starting signal N is 1; if the point-operated/self-holding selection switch is in point operation or is in self-holding state, starting acousto-optic early warning and delaying, and starting N-level belt conveying; and if an N-level belt conveying stop button on the local control box is pressed, or an N-level belt conveying stop button on the console is pressed, or an accident stop or emergency stop signal occurs, the Nth-level belt is conveyed to stop.
If the centralized control and automatic control switch on the main console is turned on, when a 4 th-level belt conveying starting button on the main console is pressed, the automatic starting signal is 1; after starting acousto-optic early warning and delaying, starting the 4 th-level belt for conveying; after delaying, starting the 3 rd-level belt conveying; after delaying, starting the 2 nd-level belt conveying; after time delay, starting the 1 st level belt for conveying; if a 1 st-level belt conveying stop button on the main control console is pressed or an accident stop 1 signal occurs, stopping conveying of the 1 st-level belt, and stopping conveying of the 2 nd-level belt after time delay; after delaying, stopping conveying the 3 rd-level belt; after delaying, stopping conveying the 4 th-level belt; if the accident stopping 2 signal occurs, the conveying of the 1 st-level and the 2 nd-level belts is stopped, and after time delay, the conveying of the 3 rd-level belt is stopped; after delaying, stopping conveying the 4 th-level belt; if the accident stop 3 signal occurs, the conveying of the 1 st, 2 nd and 3 rd level belts is stopped, and after the time delay, the conveying of the 4 th level belt is stopped; if an emergency stop signal or an accident stop 4 signal occurs, stopping conveying all the belts; if a 1 st-level belt conveying stop button on the main control console is pressed or an accident stop 1 signal occurs, stopping conveying of the 1 st-level belt, and stopping conveying of the 2 nd-level belt after time delay; after delaying, stopping conveying the 3 rd-level belt; after delaying, stopping conveying the 4 th-level belt; if the accident stopping 2 signal occurs, the conveying of the 1 st-level and the 2 nd-level belts is stopped, and after time delay, the conveying of the 3 rd-level belt is stopped; after delaying, stopping conveying the 4 th-level belt; if the accident stop 3 signal occurs, the conveying of the 1 st, 2 nd and 3 rd level belts is stopped, and after the time delay, the conveying of the 4 th level belt is stopped; if an emergency stop signal or an accident stop 4 signal occurs, stopping conveying all the belts;
the control method controls the conveying of all levels of belts according to the sequence of starting against coal flow and stopping along the coal flow when a fault occurs.
Claims (3)
1. The control method of the flame-proof four-level belt conveying multi-touch screen multi-Can plate centralized control device comprises a Siemens PLC, wherein the following N Can be 1, 2, 3 and 4, and the control method is characterized in that: loading an MODBUS, parking and picture secondary control method;
(1) the secondary control method of the MODBUS comprises the following steps: after power-on, setting the mode, baud rate, parity check and timeout time of the MODBUS master device communication protocol through an MBUS _ CTRL instruction, and starting a cycle read-write timer;
through a BLKMOV _ B instruction, moving digital quantity data and voltage digital quantity data of a digital quantity input port, a console control, manual operation, automatic operation, emergency stop, reset, an upper key, a lower key, a left key, a right key, a confirmation key, a site on N, a console on N, a contact feedback N, a band-type brake N, smoke N, coal piling N, starting acousto-optic early warning of a digital quantity output port, a motor N, a communication fault N, water spraying N, discrete data of a bit memory area and an analog quantity/digital quantity conversion expansion module output port to a variable memory area of the PLC;
reading the address, front deviation N, middle deviation N, rear deviation N, speed N, motor N temperature, roller N-1 temperature, roller N-2 temperature and roller N-3 temperature data of each pull-switch on a Can-1, Can-2, Can-3 and Can-4 plate into a variable memory area of the PLC through a reading instruction of MBUS _ MSG;
respectively writing the data in the variable memory area of the PLC into a register of the touch screen N through a writing instruction of the MBUS _ MSG, and outputting a communication fault N signal when a communication fault of the touch screen N occurs;
(2) the parking secondary control method comprises the following steps: emergency stop signals and emergency stop signals;
the emergency stop signal includes: if any one of the emergency stop switch or the pull switch on the main console, the local control box and the touch screen is pressed down, the emergency stop signal is 1; after a reset key on the main console or the touch screen is pressed, the emergency stop signal is equal to 0;
the emergency stop signal includes: if the N signal of the accident parking is 1, the signal of the accident parking is 1;
the signal of the accident parking N comprises: the contact feedback N control method is characterized in that after the centralized control device is started and delayed, if the N-th-level belt conveying has a contact fault, if monitoring is kept, the accidental stop N is 1, and if monitoring is cancelled, the accidental stop N is 0; the control method of the current over-current N and over-current time, the voltage under-voltage or over-voltage and under-voltage or over-voltage time, the band-type brake N, the smoke N, the coal pile N, the speed N, the front deviation N, the middle deviation N, the rear deviation N, the motor N temperature, the front roller N temperature, the middle roller N temperature and the rear roller N temperature is the same as the contact feedback N control method; after a reset key on the main console or the touch screen is pressed, the accident parking N is 0;
(3) the picture secondary control method comprises the following steps: initializing a main monitoring interface, and if the N-level belt conveying is started, timing time by four arrow intervals 1/4 on the N-level belt conveying on the touch screen, and sequentially and circularly hiding the timing time so as to reflect the running state and direction of the belt conveying.
2. The control method of the flameproof four-level belt-conveying multi-touch-screen multi-Can-plate centralized control device according to claim 1, which is characterized by comprising the following steps of: if the main console is turned on by a local manual control switch or a centralized control switch and a manual control switch, an N-level belt conveying starting button is pressed, and a manual starting signal N is equal to 1;
if the point-operated/self-holding selection switch is in point operation or is in self-holding state, starting acousto-optic early warning and delaying, and starting N-level belt conveying;
if an N-level belt conveying stop button on the main control console or the local control box is pressed, or an accident stop or emergency stop signal occurs, the N-level belt conveying stop is carried out.
3. The control method of the flameproof four-level belt-conveying multi-touch-screen multi-Can-plate centralized control device according to claim 1, which is characterized by comprising the following steps of: if the centralized control and automatic control switch on the main console is turned on, when a 4 th-level belt conveying starting button on the main console is pressed, the automatic starting signal is 1; after starting acousto-optic early warning and delaying, starting the 4 th-level belt for conveying; after delaying, starting the 3 rd-level belt conveying; after delaying, starting the 2 nd-level belt conveying; after time delay, starting the 1 st level belt for conveying;
if a 1 st-level belt conveying stop button on the main control console is pressed or an accident stop 1 signal occurs, the 1 st-level belt conveying is stopped, and after time delay, the 2 nd-level belt conveying is stopped; after delaying, the 3 rd level belt conveying is stopped; after delaying, the 4 th-level belt conveying is stopped;
if the accident stopping 2 signal occurs, the conveying of the 1 st-level and the 2 nd-level belts is stopped, and after the time delay, the conveying of the 3 rd-level belt is stopped; after delaying, the 4 th-level belt conveying is stopped;
if an accident stop 3 signal occurs, the conveying of the 1 st, 2 nd and 3 rd belts is stopped, and after time delay, the conveying of the 4 th belt is stopped;
if an emergency stop signal or an emergency stop 4 signal occurs, all belt transport is stopped.
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| CN204206054U (en) * | 2014-10-28 | 2015-03-11 | 海斯坦普汽车组件（昆山）有限公司 | A kind of frequency-changing control system of work position rotation table |
| CN204856878U (en) * | 2015-06-17 | 2015-12-09 | 北京金汇泽枫测控技术有限公司 | Embedded M -BUS intelligence concentrator |
| CN105600351B (en) * | 2016-01-26 | 2018-05-18 | 安徽理工大学 | Coal washery multilevel belt type transport centralized control equipment |
| CN105629934B (en) * | 2016-01-26 | 2018-04-03 | 安徽理工大学 | The multistage band transmission more CAN plates parallel connection long distance centralized control equipments of multi-touch screen in coal washery |
| CN207337179U (en) * | 2017-08-07 | 2018-05-08 | 安徽恒泰电气科技股份有限公司 | A kind of intelligent leather belt transportation communication control system |
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2018
- 2018-09-29 CN CN201811148216.7A patent/CN109164772B/en active Active
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