CN2423405Y - Pneumatic disaster relief air door remote controller - Google Patents

Abstract

A novel pneumatic disaster relief air door remote controller is developed based on a single chip microcomputer, a circuit is intrinsically safe, two switching signals generated by manual control of a mine monitoring system and two switching signals generated by program control according to automatic monitoring of a sensor can be received, after analysis and processing of the controller, a PA port of an 8155 expansion I/O port in the controller outputs control signals, the control signals are sent to eight solid state relays SSR, the relays attract and output 12VDC power supplies, corresponding electromagnetic valves and air cylinders serving as pneumatic air door power mechanisms are started, the opening and closing states of air doors are controlled, and therefore remote control of the disaster relief air doors is achieved.

Description

Pneumatic disaster relief air door remote controllers

The utility model is to belong to mine ventilation and safety technics field, relates in particular to a kind of pneumatic disaster relief air door remote controllers.

During the mine breaking out of fire, need underground air door is carried out in a planned way switch, realize effective distinguished and admirable scheduling, reach the purpose of the mitigation and the disaster relief.But owing to reasons such as long, the current inconvenience of down-hole wind path, by manually often not realizing disaster relief scheme timely and effectively; And to some deathtraps, disaster relief personnel comprise that well-equipped rescue team member often also can't enter and maybe can only take a risk to make a forcible entry into, and are difficult to guarantee finishing of preplanned mission.If can realize reliable and effective Long-distance Control, once finding the condition of a disaster, can or close in the unlatching of Ground Control air door to underground air door; Or by with the monitoring mining systems connection, realize the automatic control of air door, can be in time, safe, realize distinguished and admirable scheduling effectively, thereby reduce the loss of disaster to greatest extent.Self closing door has used in mine already, but traditional Automatic Air Door great majority can not far control, the application in the time of can only satisfying ordinary production (as lance formula, touch, light-operated etc.); Minority self closing door (as the hydraulic pressure air door) though can far control because its controller is simple logic circuit or pure relay circuit, a little less than input signal noise shielding ability, poor anti jamming capability.In addition, above-mentioned self closing door is non intelligentization, and can not network with monitoring system, can't realize program controlly.

The purpose of this utility model just provides a kind of novel pneumatic disaster relief air door remote controllers, overcomes the existing existing deficiency of self closing door, can carry out Long-distance Control to the down-hole pneumatic air door, realizes effective distinguished and admirable scheduling, reaches the purpose of the mitigation and the disaster relief.

The utility model pneumatic air door remote controllers are based on the 80C552 microcomputer development, the design of essential safe type circuit, it comprises: CPU (80C552), latch U2 (74HC373), ROMU1 (2764), 8155 expansion I/O mouth U4, solid-state relay SSR, photoisolator O1～O4 etc.The P1 mouth of single-chip microcomputer is used for the four-way switch amount of Input Monitor Connector substation; 8155 PA, PB mouth are used for output, are connected respectively to solid-state relay and light emitting diode, and the PC mouth is used to be provided with program control masking and output time-delay; Single-chip microcomputer P1 mouth can receive the four-way switch amount to the monitoring system underground substation, the manual generation of preceding two route monitoring mining system ground central station, back two-way is that substation is monitored program control generation automatically according to sensor, and whether the 5th, the 6th decision of the DIP switch of PC mouth gets program control signal.Power supply is to adopt the mining multichannel uninterrupted power source of KF1016 type Flameproof and intrinsically safe; Electromagnetic valve is to select Q25D-B type 3 position-5 way explosion-proof solenoid valve for use; Pneumatic air door is that selection work pressure is the actuating unit of the QGA type cylinder of 0.5MPa as air door.Fire period, even under situation about having a power failure, the air door remote controllers can far be controlled instruction according to monitoring information and ground, make pneumatic air door produce action, regulate air-flow, the flow direction of control fire smoke, thus reach the purpose that reduces casualty loss.

Air door remote controllers in the utility model have fixed intelligent functions based on microcomputer development, both can carry out remote manual control, can detect the alarm signal of monitoring system again voluntarily, and then not needing to realize the programme-control of human intervention.Other the manual priority of setting in software is higher than program control, thereby has very big flexibility again; In software, input signal is carried out filtering and handle, output signal is repeatedly repeated output, reliability height.

Accompanying drawing 1 is the pneumatic disaster relief air door of the utility model remote controllers circuit structure diagrams.

Accompanying drawing 2 is the pneumatic disaster relief air door of the utility model remote controllers circuit structure diagrams.

Accompanying drawing 3 is that the pneumatic disaster relief air door of the utility model remote controllers are formed air door control system application schematic diagram.

Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.

Shown in accompanying drawing 1, accompanying drawing 2, the pneumatic disaster relief air door remote controllers of forming by CPU80C552 single-chip microcomputer, latch U2 (74HC373), ROMU1 (2764), 8155 expansion I/O mouth U4, solid-state relay SSR, photoisolator O1～O4, light emitting diode etc., be will be respectively behind photoisolator O1～O4 from the four-way switch amount of the KJ95 underground substation of monitoring mining system, send the P10～P13 end of the P1 mouth of CPU, wherein the double switch amount is manually to be produced by monitoring system KJ95 ground central station control terminal, is used for control manually far away; Two-way is that monitoring system is monitored generation automatically according to sensor in addition, is used for program control; P14～the P17 of the P1 mouth of CPU is changed to high level, the P20 of the P00～P07 of P0 mouth and P2 mouth～P24 constitutes the 13 bit address lines of 8K byte program word reservoir U1 (2764), double 8 position datawires of doing of the P00～P07 of P0 mouth, latch U2 (74HC373) connects between CPU and the ROMU1.When latch U2 gating, OPADD signal, otherwise transmission of data signals.Send 12～19 ends of 8155 expansion I/O mouth U4 through 8 bit data signal D0～D7 of single-chip microcomputer P0 mouth output, 8155 PA mouth output is connected to No. eight solid-state relay SSR respectively; 8155 PB mouth is connected to eight road light emitting diodes respectively, is used for the running status of indication mechanism; 8155 PC mouth connects DIP DIP switch and is used to be provided with program control masking and output time-delay.Solid-state relay SRR adhesive output 12VDC power supply starts corresponding solenoid valve and cylinder, the on off state of control air door.

Shown in accompanying drawing 3, an embodiment for the utility model application, the pneumatic disaster relief damper system of control far away that it is made up of power supply, air door remote controllers, electromagnetic valve, pneumatic air door, it is the 12VDC output that the power input of air door remote controllers is connect the mining uninterrupted power source of KF1016 type, the alarm switch signal of the KJ95 underground substation of signal input part and monitoring mining system links, controller 12VDC output termination power of electromagnetic valve input.The two-way pilot valve of Q25D-B type has two-way power supply input, controls the output of two-way gas circuit respectively, and the output of two-way gas circuit is connected to respectively as the ante-chamber of the cylinder of pneumatic air door actuating unit and the back cavity input of calming the anger; Back cavity is connected to calm the anger cylinder push-rod is stretched out, and ante-chamber is connected to calm the anger and made pusher retracted.When push rod stretched out, the wire rope that connects air door was lax, and air door is closed by deadweight; When pusher retracted, the rope traction air door is opened.

If two road air doors in the accompanying drawing 3 will be placed shown position, only need the control terminal by the KJ95 of monitoring mining system ground central station that the two-way hand switch amount of KJ95 underground substation is placed " 0 " and " 1 " respectively, after air damper controller receives this two paths of signals, handle through software analysis, output two-way power supply is to electromagnetic valve.1 ^#The electromagnetic valve action makes 1 ^#The ante-chamber of cylinder is connected and is calmed the anger, back cavity emptying, and pusher retracted is opened the 1# air door; The action of 2# electromagnetic valve is connected the back cavity of 2# cylinder and is calmed the anger, ante-chamber emptying, and push rod stretches out, and closes the 2# air door.If air damper controller be set to program-controlled state (by the 5th, the 6th of DIP DIP switch determine), controller will read the grammed switch amount that monitoring system produces, and then by the predetermined on off state of controlling wind scheme automatic control storm door, control procedure is with manually identical.

Claims (1)

1. the pneumatic disaster relief air door of novel mine remote controllers, be by CPU 80C552 single-chip microcomputer, latch U2 (74HC373), ROMU1 (2764), 8155 expansion I/O mouth U4, solid-state relay SSR, photoisolator O1～O4, compositions such as light emitting diode, the 12VDC output of the mining uninterrupted power source of KF1016 type is as the supply voltage of air door remote controllers, the alarm switch signal of substation links under the KJ95# of the signal input part of air door remote controllers and monitoring mining system gas, the 12VDC output termination Q25D-B type 3 position-5 way explosion-proof solenoid valve power input of air door remote controllers; It is characterized in that: from the four-way switch amount of the KJ95 underground substation of monitoring mining system, respectively behind photoisolator 01～04, give the P10～P13 end of the P1 mouth of CPU in these air door remote controllers, P14～the P17 of the P1 mouth of CPU is changed to high level, P00～the P07 of the P0 mouth of CPU and the P20 of P2 mouth～P24 constitutes the 13 bit address lines of 8K byte program memory U1 (2764), double 8 position datawires of doing of the P00～P07 of P0 mouth, latch U2 (74HC373) connects between CPU and the ROMU1,8 bit data signal D0～D7 through the output of the P0 of CPU mouth, send 12～19 ends of 8155 expansion I/O mouth U4,8155 PA mouth output meets No. eight solid-state relay SSR respectively, 8155 PB mouth connects eight road light emitting diodes respectively, 8155 PC mouth connects DIP DIP switch, and solid-state relay SSR adhesive output 12VDC power supply is delivered to electromagnetic valve.

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