CN109649996A - Mining working face and belt-conveying monitoring system - Google Patents
Mining working face and belt-conveying monitoring system Download PDFInfo
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- CN109649996A CN109649996A CN201811643847.6A CN201811643847A CN109649996A CN 109649996 A CN109649996 A CN 109649996A CN 201811643847 A CN201811643847 A CN 201811643847A CN 109649996 A CN109649996 A CN 109649996A
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- 238000005065 mining Methods 0.000 title claims abstract description 63
- 238000012544 monitoring process Methods 0.000 title claims abstract description 39
- 238000004891 communication Methods 0.000 claims abstract description 33
- 230000001012 protector Effects 0.000 claims abstract description 15
- 239000003245 coal Substances 0.000 claims description 30
- 238000007600 charging Methods 0.000 claims description 28
- 230000000087 stabilizing effect Effects 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 8
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000003384 imaging method Methods 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 3
- 238000007689 inspection Methods 0.000 abstract description 2
- 238000004134 energy conservation Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 13
- 238000001514 detection method Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000012806 monitoring device Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 238000004880 explosion Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 108091008695 photoreceptors Proteins 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000010277 constant-current charging Methods 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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- 239000000523 sample Substances 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/02—Control devices, e.g. for safety, warning or fault-correcting detecting dangerous physical condition of load carriers, e.g. for interrupting the drive in the event of overheating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
- B65G43/08—Control devices operated by article or material being fed, conveyed or discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G2201/00—Indexing codes relating to handling devices, e.g. conveyors, characterised by the type of product or load being conveyed or handled
- B65G2201/04—Bulk
- B65G2201/045—Sand, soil and mineral ore
Landscapes
- Excavating Of Shafts Or Tunnels (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to a kind of mining working face and belt-conveying monitoring systems; including ground industrial personal computer, underground centralized control center, mining face communication control device, mine belt conveyer protector and interchanger; the underground centralized control center is connected with ground industrial personal computer, and the mining face communication control device, mine belt conveyer protector pass through interchanger respectively and be connected with underground centralized control center.This is mining working face and belt-conveying monitoring system can comprehensively monitor belt transportation system, realize unattended, and belt feeder dynamic speed adjustment and energy conservation may be implemented in timing inspection.A large amount of underground work personnel can be saved, a large amount of electric power are saved.
Description
Technical field:
The present invention relates to technical field of mine safety more particularly to a kind of mining working face and belt-conveying monitoring systems.
Background technique:
Coal mine fully-mechanized mining working scratch board conveyor, elevating conveyor, crusher, hydraulic power unit and belt-conveying are that coal mine is main
Production, transporting equipment.Currently, belt conveyor and working face equipment mainly use artificial local operation, electric control gear is protected, if
Standby isolated operation, reliability is low, malfunction elimination is difficult, does not form the automation control of system.
Increasingly mature with converter technique, more and more belts start to drag using frequency converter.Due to can not be correct
Detection belt on coal amount size, frequency conversion belt generally uses full speed running at present, and the power saving function of frequency converter is not complete
It brings into play entirely.
The global automation control of coal mining, transport may be implemented in mining working face and belt-conveying monitoring system, from
Dynamic speed regulation, it is the key that coal mine is increased efficiency by downsizing payrolls that video monitoring and speech talkback, system, which belong to coal mine and be related to safety and production system,
System, wide market.
Summary of the invention:
The purpose of the present invention is in view of the drawbacks of the prior art, provide a kind of mining working face and belt-conveying monitoring system
System, realize coal production, transport global monitoring, realize it is unattended, someone make an inspection tour, operation with control ground-based computer into
Row.
The present invention is achieved through the following technical solutions: a kind of mining working face and belt-conveying monitoring system, including
Ground industrial personal computer, underground centralized control center, mining face communication control device, mine belt conveyer protector and exchange
Machine, the underground centralized control center are connected with ground industrial personal computer, the mining face communication control device, mine belt conveyor
Protective device passes through interchanger respectively and is connected with underground centralized control center.
Specifically, the mining face communication control device include mining intrinsic safety type programable controller and with mining
The connected Mine-used I. S hands free telephone of peace type programmable controller, the locking of mine intrinsic safety emergency stop, Mine-used I. S wireless remote control
Device, Mine-used I. S stream sensor, flame proof video camera, and related flame proof power supply, flame proof display, flame proof computer etc..
In the present invention, the mine belt conveyer protector includes gateway belt protective device, main entry belt guarantor
Protection unit and main shaft belt protecting device.
Specifically, the mine belt conveyer protector include mining intrinsic safety type programable controller and with mining
The connected Mine-used I. S hands free telephone of peace type programmable controller, the locking of mine intrinsic safety emergency stop, Mine-used I. S wireless remote control
Device, Mine-used I. S velocity sensor, Mine-used I. S stream sensor, Mine-used I. S smoke sensor device, Mine-used I. S
Heap coal sensor, mine explosion-suppression solenoid valve, Mine-used I. S be vertical to tear sensor, flame proof video camera, and related flame proof power supply, every
Quick-fried display, flame proof computer etc..
The present invention devises special Mine-used I. S hands free telephone, and the Mine-used I. S hands free telephone includes external electrical
Source input module, current-limiting charging circuit module, Voltage stabilizing module, charging switching module, battery module and one-chip computer module, it is described outer
Portion's Power Entry Module is electrically connected with current-limiting charging circuit module, and the current-limiting charging circuit module passes through Voltage stabilizing module and battery
Module electrical connection, the one-chip computer module are electrically connected with battery module, and one-chip computer module is filled by charging switching module with current limliting
Electric circuit module electrical connection.
The present invention devises special Mine-used I. S Digiplex, including keyboard multiplexing starting module, keyboard multiplexing
Shut down module, battery module, on/off circuit module, Voltage stabilizing module and one-chip computer module, the keyboard multiplexing starting module,
Battery module and one-chip computer module are electrically connected with on/off circuit module respectively, and the on/off circuit module passes through pressure stabilizing
Module is electrically connected with one-chip computer module, and the keyboard multiplexing shutdown module is electrically connected with one-chip computer module.
In a preferred embodiment of the present invention, the mining working face and belt-conveying monitoring system further include belt and work
Make face automatic speed regulation system, the belt and working face automatic speed regulation system respectively with mining face communication control device, mine
It is connected with protector for belt conveyer, belt and working face automatic speed regulation system include speed setting controller and speed setting controller
Connected several main controllers and the coal flow monitoring device being connected with main controller.
Preferably, the coal flow monitoring device includes stream processor and the laser imaging that is connected with stream processor
Sensor, Mine-used I. S speed/displacement sensor.
Due to colliery scene bad environments, electromagnetic environment is complicated, in order to guarantee that the reliability of communication system, the present invention use
Redundancy isomery bus communication, including CAN bus and LIN bus communication signal.
The beneficial effect of mining working face of the invention and belt-conveying monitoring system is:
1, system realizes the global monitoring of coal production, transport, realizes unattended, someone's tour, operates and control exists
Ground-based computer carries out;
2, the material distribution situation in working face and each belt can be detected automatically, automatically control the start and stop and fortune of belt
Row velocity interpolation starts along coal stream, and the speed of belt, transporter is automatically adjusted along the parking of coal stream and according to coal amount, saves a large amount of electricity
Power reduces the abrasion of belt feeder;
3, device configuration wireless remote control receiving module along belt, Digiplex can be in belts along line traffic control equipment
Start and stop, the operating status and data for checking belt feeder;
4, system uses redundancy isomery field bus technique, guarantees the reliability and real-time of communication;
5, system use self-diagnosis technology, can check along equipment operating status and power supply along the line is managed;
6, system has remote speech intercommunication function.
Detailed description of the invention:
Fig. 1 is the structural schematic diagram of mining working face and belt-conveying monitoring system of the invention;
Fig. 2 is the layout of mining working face and belt-conveying monitoring system of the invention;
Fig. 3 is the structural schematic diagram of mine belt conveyer protector of the invention;
Fig. 4 is the layout of mine belt conveyer protector of the invention;
Fig. 5 is the structural schematic diagram of mining face communication control device of the invention;
Fig. 6 is the structural schematic diagram of Mine-used I. S hands free telephone of the invention;
Fig. 7 is the circuit diagram of Mine-used I. S hands free telephone of the invention;
Fig. 8 is the circuit diagram of the battery detection module of Mine-used I. S hands free telephone of the invention;
Fig. 9 is the structural schematic diagram of the power control circuit of Mine-used I. S Digiplex of the invention;
Figure 10 is the circuit diagram of the power control circuit of Mine-used I. S Digiplex of the invention;
Figure 11 is the circuit of the battery detection module of the power control circuit of Mine-used I. S Digiplex of the invention
Schematic diagram;
Figure 12 is the layout of belt of the invention and working face automatic speed regulation system;
Figure 13 is the schematic diagram of laser imaging sensor of the invention;
Figure 14 is that belt of the invention adjusts the speed flow chart automatically;
Figure 15 is the structural schematic diagram of communication mode of the invention.
Specific embodiment:
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be understood by those skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
As shown in Figure 1, in a kind of mining working face and belt-conveying monitoring system, including ground industrial personal computer, underground collection control
The heart, mining face communication control device, mine belt conveyer protector and interchanger, the underground centralized control center and ground
Face industrial personal computer is connected, and the mining face communication control device, mine belt conveyer protector pass through interchanger respectively
It is connected with underground centralized control center, the mine belt conveyer protector includes gateway belt protective device, main entry belt guarantor
Protection unit and main shaft belt protecting device, wherein further including transmission cable, explosion-proof video camera, anti-explosion computer, anti-explosion display
Deng.Its system layout between mining face communication control device and interchanger using optical fiber as shown in Fig. 2, connected, Ethernet
It transmits, optical fiber cascaded transmission is used between flame proof video camera, flame proof video camera can access underground explosion-proof friendship according to field condition
It changes planes or host.Can be set flame proof computer in underground, flame proof computer can working face to underground and belt grasp
Control and video monitoring, voice communication.Ground maneuvers indoor location has industrial personal computer and video server, can manipulate skin in control room
Band and working face can check any one video camera, and carry out voice communication to underground phone.
As shown in figure 3, the mine belt conveyer protector includes mining intrinsic safety type programable controller and and mine
With the connected Mine-used I. S hands free telephone of intrinsic safety type programmable controller, the locking of mine intrinsic safety emergency stop, Mine-used I. S is wireless
Remote controler, Mine-used I. S velocity sensor, Mine-used I. S stream sensor, Mine-used I. S smoke sensor device, mining
Peace type heap coal sensor, mine explosion-suppression solenoid valve, Mine-used I. S are vertical to tear sensor, flame proof video camera, and related flame proof electricity
Source, flame proof display, flame proof computer etc..It is laid out as shown in figure 4, mining intrinsic safety type programable controller to be mounted on flame proof simultaneous
In intrinsic safety type power supply box, Mine-used I. S hands free telephone by lock-switch be connected, and with the deviation switch phase on belt conveyor
Even.Each Mine-used I. S sensor is provided with around belt conveyor, for incuding every functioning condition of belt conveyor.
Likewise, as shown in figure 5, the mining face communication control device includes mining intrinsic safety type programable controller
And be connected with mining intrinsic safety type programable controller Mine-used I. S hands free telephone, mine intrinsic safety emergency stop locking, mine intrinsic safety
Type Digiplex, Mine-used I. S stream sensor, flame proof video camera, and related flame proof power supply, flame proof display, flame proof
Computer etc..
Wherein, above-mentioned Mine-used I. S hands free telephone is as shown in fig. 6, include external power supply input module, current-limiting charge electricity
Road module, Voltage stabilizing module, charging switching module, battery module and one-chip computer module, the external power supply input module and current limliting
Charging circuit module electrical connection, the current-limiting charging circuit module are electrically connected by Voltage stabilizing module 3 with battery module, the monolithic
Machine module is electrically connected with battery module, and one-chip computer module is electrically connected by the switching module that charges with current-limiting charging circuit module.
The hands free telephone master control is controlled using single-chip microcontroller, is carried out program-controlled control to corresponding charging current by communication, is led to
Combination is crossed, 8 gear charging currents is can have and is adjusted, cooperation battery capacity carries out the program-controlled adjustment of dynamic.
As shown in fig. 7, external charging power supply V+ is powered by intrinsic safety DC18V, by rectifier U1, toggle switch S1 and resistance
R1, R2, R3, R6 form settable constant-current charging circuit, later by rectifier U2 pressure stabilizing to the charging voltage needed, charging voltage
Be set as battery it is fully charged when voltage.When dead battery (voltage is lower), charged with the maximum charge stream of control, with
The rising of cell voltage, charging current gradually reduce, cell voltage and charging voltage are close when fully charged, then it is automatic no longer into
Row charging, voltage then restart to charge after reducing, reciprocal with this.
It is program-controlled to be charged as single-chip microcontroller control these three control ports of CON_5MA, CON_10MA, CON_20MA, it is corresponding and
Toggle switch S1 control port corresponds, and toggle switch S1 is immobilization setting, is used to that minimum charge current and journey to be arranged
Control control is multiplexing status and priority is high, and charging current is set as 5mA, 10mA, 15mA, 20mA, 25mA, 30mA, 35mA,
40mA totally eight gear adjustment, single-chip microcontroller receive control signal by telecommunication, control corresponding control port and fill to control
Electric current can also dynamically adjust charging current by monitoring cell voltage.Charging control circuit is led to using electronic switch
Corresponding current-limiting resistance break to realize the maximum cut-off current of adjustment.
Battery detection module as shown in Figure 8, VCC is anode in figure, and single-chip microcontroller passes through the control port CON_AD_JC
Control whether to need to be AD converted monitoring cell voltage, monitoring in normal 30 seconds is primary, passing through control circuit reduces detection electricity
The power consumption on road, AD_JC are connected to Chip Microcomputer A/D conversion mouth, and single-chip microcontroller can be charged by monitoring cell voltage come adjust automatically electric
Stream.
Hands free telephone configures wireless module along coal face and belt, and transport monitor system configures wireless remote control
Device, Digiplex can control the start and stop and emergency stop of belt feeder in any position along belt, while show belt feeder state, nothing
Wire module uses FYS50 wireless module, wireless frequency 433MHz, radio transmitted power 20dBM, wireless transmission distance 50m.It is above-mentioned
The power control circuit of Mine-used I. S Digiplex is as shown in figure 9, include keyboard multiplexing starting module, keyboard multiplexing shutdown
Module, battery module, on/off circuit module, Voltage stabilizing module, battery detection module and one-chip computer module, the keyboard multiplexing
Starting module, battery module and one-chip computer module are electrically connected with on/off circuit module respectively, the on/off circuit mould
Block is electrically connected by Voltage stabilizing module with one-chip computer module, and the keyboard multiplexing shutdown module is electrically connected with one-chip computer module, described
Battery module is electrically connected by battery detection module with one-chip computer module.
The remote controller for mining is using multiplexing starting key booting, and up to after 3 seconds, remote controler booting passes through long-pressing power on button
Single-chip microcontroller control power supply makes power work maintain equipment operation, is switched on successfully;Long-pressing is multiplexed closing key when shutdown is required,
Power supply power-off is controlled after monolithic machine testing, then remote controler completes shutdown, fully powered-off;Can by monitoring cell voltage come
Judge battery capacity, carries out automatic shutdown at low voltage and require replacement battery, it is ensured that remote controler can in normal voltage
By work, the control prevented when under-voltage is unreliable.
Circuit diagram as shown in Figure 10 is cell input terminal at VCC, and metal-oxide-semiconductor VT1 is to disconnect shape under off-mode
State, remote controler are fully powered-off state, do not consume battery capacity.
Power on button AN1 and power-off button AN2 is multiplexing button, and after the completion of booting, the two keys can be realized accordingly
Other desired functions need length to touch the button to realize when as power on/off function.
After pressing power on button AN1, VT1 is opened in optocoupler B1 movement, at rectifier VC it is electric, be monolithic by D1 pressure stabilizing
Relevant voltage required for machine, single-chip microcontroller obtain it is electric after, the state of power on button AN1 is monitored, when monitoring that it is next that button is persistently pressed
Then it is judged as after fixing time (by program requirement, generally 3 seconds) and needs to be switched on, it is high level that single-chip microcontroller, which controls POW_CON, is passed through
Triode VT2 controls VT1 and connects, and at this moment power on button then will not influence single-chip microcontroller power supply after disconnecting, and is switched on successfully.
Power on button becomes normal function key after the completion of booting, after button AN1 is pressed, the high electricity of control triode VT3 connection
Flat, control VT4 triode is shorted over the ground, and POW_IN-1 is connected to single-chip microcontroller pin, and level becomes low level, single-chip microcontroller from high level
It can then be detected by this pin and judge button state to realize corresponding function.
No. 1 foot order piece power traction foot of power-off button AN2 is high level when disconnection, is low level, normal short-press when pressing
Then it is judged as when button is pressed for a long time (by program requirement, generally 3 seconds) for normal push button function and needs to shut down, monolithic
It is low level that machine, which controls POW_CON output, then VT1 is disconnected, and equipment is fully powered-off.
Battery detection module circuit diagram as shown in figure 11, VCC are battery-end, and single-chip microcontroller carries out AD by AD_JC pin
Conversion needs to need to control when monitoring voltage CON_AD_JC high level to control triode Q1 conducting, together to monitor battery capacity
When be AD converted, measure cell voltage, then closed when monitoring that voltage is low by control POW_CON to cut off the power
Machine, it is ensured that remote controler will carry out under normal circumstances equipment control in voltage, and it is unreliable to avoid causing to control because of brownout, when not
When monitoring voltage, control CON_AD_JC disconnects Q1 to reduce power consumption.
In addition, mining working face and belt-conveying monitoring system of the invention further includes that belt and working face adjust the speed automatically and be
System, the belt and working face automatic speed regulation system are protected with mining face communication control device, mine belt conveyor respectively
Protection unit is connected, and belt and working face automatic speed regulation system include speed setting controller, several master controls for being connected with speed setting controller
Machine and the coal flow monitoring device being connected with main controller, specific layout are as shown in figure 12.Wherein, the coal flow monitoring device
Using the explosion-proof form of Mine-used I. S, device is by laser imaging sensor (laser probe), Mine-used I. S speed/displacement sensing
The equipment such as device, stream processor composition.
Laser imaging sensor use the range measurement principle of range of triangle acquisition module for line style Infrared laser emission device according to
Certain angle emits infrared light harness, and line style light beam will reflect after encountering testee, reflected light quilt
Photosensitive detector detection, obtains an offset L.As shown in figure 13, by known photoreceptor focal length f, transmitter and photoreceptor it
Between wheelbase X can find out laser the distance d to object certain point, formula d=Xf/L, since line style infrared light has
Linear feature, the range data that the principle according to the above infrared range of triangle can calculate one group of lineal layout are (maximum
Resolution ratio is the discrete data of P), therefore can thus know the two-dimensional section of testee, pass through single-chip microcontroller control two dimension three
Angle range acquisition module (definition acquisition resolution is P), collects the instantaneous two-dimensional section profile h of transported coal on belt feeder
(p), three-dimensional reconstruction then by belt displacement data X is carried out, the discrete three-dimensional map data h (p, x) of coal is obtained and uses three dimensions
According to accumulation calculating is carried out, the opposite coal amount M in the unit time is calculated, calculation formula is as follows:
Transmitter is the output mode for changing laser, becomes a line style light by an original point, by measuring this
Reflection of the bunch type light on object to be measured object is to disposably obtain data (the maximum resolution P of a scanning cross-section
Discrete data), be recorded as h (p), the advantage of doing so is that scanning speed can quickly, precision is also relatively high, for closely
(< 10m) ranging scan for, this mode is still very effective and great cost performance.
The displacement speed sensor of belt can detecte the dfisplacement pulse of belt.The every operation 0.0625m of belt generates one
Pulse.Assuming that belt feeder length is D, then n=D/0.00625, the coal amount on belt is Σ Mi, i=0-n.Coal flow sensor
The data of every dfisplacement pulse all pass through fiber optic Ethernet and upload in speed regulating control machine, the entire coal of speed regulating control machine internal record
The coal distribution situation of streaming system, belt speed setting controller control a belt and realize automatic speed regulation.
Belt speed setting controller controls a belt and realizes that automatic speed regulation process is as shown in figure 14, is detected first by sensor
Current belt altitude curve, and compare with empty belt altitude curve, system fits the sectional area of coal, simultaneously with speed product
With time integral, calculate the distribution on belt of producing coal, instantaneous flow and it is expected that under reaching a belt time, to control skin
The speed of service of band.
The present invention uses bus type power supply and communication mode, and due to colliery scene bad environments, electromagnetic environment is complicated, in order to
Guarantee that the reliability of communication system, system use redundancy isomery bus communication.As shown in figure 15, the present invention is on the edge of control system
In line communication cable, while CAN bus and LIN bus communication signal are contained, led between intrinsic safety type controller and along the line equipment
Two kinds of bus real time communications are crossed, the communication data of two kinds of buses is handled simultaneously, realizes the function of control and protection.When it
When a kind of middle bus breaks down, device data stream can automatically switch data channel, the final normal transmission for realizing data.
System uses bus type equipment power supply for along.The main power consumption of equipment along the line is lock modules and phone module.Electricity
Words module dissipation mainly charges to internal cell.It since system belongs to anti-explosion product, is limited by intrinsic safety electric source, power supply ginseng
Number is 18V950mA.Belt Length major part belt distance is between 1000m to 2000m, and pressure drop is bigger along the line.System exists
The contradiction of power module capacity, phone charging current and tail voltage: phone charging current is bigger, and the broadcast time of phone is got over
It is long, but it is easy to cause the work of tail brownout equipment abnormal and power module protection;Phone charging current is too small, tail
Voltage increases, but telephone cells are easy to appear power shortage and damage.The power managed of equipment along the line will be guaranteed in power supply capacity
And the case where terminal voltage, to greatest extent charges to phone module.
Intrinsic safety electric source can detecte intrinsic safety electric source present load, and phone module can detecte the current electricity of current battery
Pressure, controls the charging current of phone, terminal can detecte along tail voltage.
This system is also equipped with network audio transfer function, and ground maneuvers can may be implemented by network implementations audio to underground
Call.Minor issue is crossed in order to solve downhole acoustic, using two way audio enlarging function.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.
Claims (9)
1. a kind of mining working face and belt-conveying monitoring system, it is characterised in that: including in ground industrial personal computer, underground collection control
The heart, mining face communication control device, mine belt conveyer protector and interchanger, the underground centralized control center and ground
Face industrial personal computer is connected, and the mining face communication control device, mine belt conveyer protector pass through interchanger respectively
It is connected with underground centralized control center.
2. mining working face according to claim 1 and belt-conveying monitoring system, it is characterised in that: the mining work
Face communication control unit includes mining intrinsic safety type programable controller and is connected with mining intrinsic safety type programable controller mining
Intrinsic safety type hands free telephone, the locking of mine intrinsic safety emergency stop, Mine-used I. S Digiplex, Mine-used I. S stream sensor, every
Quick-fried video camera.
3. mining working face according to claim 1 and belt-conveying monitoring system, it is characterised in that: the mining belt
Conveyer protective device includes gateway belt protective device, main entry belt protecting device and main shaft belt protecting device.
4. mining working face according to claim 3 and belt-conveying monitoring system, it is characterised in that: the mining belt
Conveyer protective device includes mining intrinsic safety type programable controller and is connected with mining intrinsic safety type programable controller mining
Intrinsic safety type hands free telephone, the locking of mine intrinsic safety emergency stop, Mine-used I. S Digiplex, Mine-used I. S velocity sensor, mine
With intrinsic safety type stream sensor, Mine-used I. S smoke sensor device, Mine-used I. S heap coal sensor, mine explosion-suppression solenoid valve,
Mine-used I. S is vertical to tear sensor, flame proof video camera.
5. mining working face according to claim 2 or 4 and belt-conveying monitoring system, it is characterised in that: described mining
Intrinsic safety type hands free telephone includes external power supply input module, current-limiting charging circuit module, Voltage stabilizing module, charging switching module, electricity
Pond module and one-chip computer module, the external power supply input module are electrically connected with current-limiting charging circuit module, the current-limiting charge
Circuit module is electrically connected by Voltage stabilizing module with battery module, and the one-chip computer module is electrically connected with battery module, single-chip microcontroller mould
Block is electrically connected by the switching module that charges with current-limiting charging circuit module.
6. mining working face according to claim 2 or 4 and belt-conveying monitoring system, it is characterised in that: described mining
Intrinsic safety type wireless remote controler includes keyboard multiplexing starting module, keyboard multiplexing shutdown module, battery module, on/off circuit mould
Block, Voltage stabilizing module and one-chip computer module, the keyboard multiplexing starting module, battery module and one-chip computer module are logical with power supply respectively
The electrical connection of deenergizing module, the on/off circuit module are electrically connected by Voltage stabilizing module with one-chip computer module, the keyboard
Multiplexing shutdown module is electrically connected with one-chip computer module.
7. mining working face according to claim 1 and belt-conveying monitoring system, it is characterised in that: the mining work
Face and belt-conveying monitoring system further include belt and working face automatic speed regulation system, and the belt and working face adjust the speed automatically is
System is connected with mining face communication control device, mine belt conveyer protector respectively, and belt and working face are adjusted automatically
Speed system includes speed setting controller, several main controllers being connected with speed setting controller and the coal flow monitoring being connected with main controller dress
It sets.
8. mining working face according to claim 7 and belt-conveying monitoring system, it is characterised in that: the coal flow prison
Surveying device includes that stream processor and the laser imaging sensor being connected with stream processor, Mine-used I. S speed/displacement pass
Sensor.
9. mining working face according to claim 1 and belt-conveying monitoring system, it is characterised in that: the mining work
Face and belt-conveying monitoring system use redundancy isomery bus communication, including CAN bus and LIN bus communication signal.
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