CN105259862A - Shaft operation control system and control method thereof - Google Patents
Shaft operation control system and control method thereof Download PDFInfo
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- CN105259862A CN105259862A CN201510708302.9A CN201510708302A CN105259862A CN 105259862 A CN105259862 A CN 105259862A CN 201510708302 A CN201510708302 A CN 201510708302A CN 105259862 A CN105259862 A CN 105259862A
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- tank side
- signal
- output terminal
- safety door
- input end
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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
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/058—Safety, monitoring
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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
- G05B2219/10—Plc systems
- G05B2219/14—Plc safety
- G05B2219/14006—Safety, monitoring in general
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Programmable Controllers (AREA)
Abstract
The invention provides a shaft operation control system and a control method thereof. The control system comprises a signal transmitting device, a signal receiver and a programmable logic controller. The output end of the signal transmitting device communicates with and is connected to the input end of the signal receiver. The output end of the signal receiver is connected to the input end of the programmable logic controller. The output end of the programmable logic controller is electrically connected to the car operating safety door of a shaft operation. The programmable logic controller refuses the close operation of the car operating safety door until the input end of the programmable logic controller receives a safety door close enable signal, and the close operation of the car operating safety door is allowed. According to the shaft operation control system and the control method, the latch control of a tank operation and a car operating operation is ensured, human interference is avoided, and the safety coefficient of the shaft operation is improved.
Description
Technical field
The present invention relates to vertical operation correlative technology field, particularly a kind of vertical operation-control system and control method thereof.
Background technology
In vertical operation process, behaviour's car signalman gathers around tank signalman tripartite coordinating operation with turnover tank side, after cage puts in place in the past, gathers around tank signalman and only carries out the operation of behaviour's car with gesture or whistle commander behaviour car signalman.
But, in existing vertical operation, the operation of cage chair, safety door, car stop, car pusher is by manually carrying out, do not relate to and gather around tank signal, grasp car operation and gather around tank signalman and hardware context is not had to cage stowage survey, the operation of behaviour's car only controls artificially, if people's maloperation, carries out the operation of behaviour's car very easily accidents caused when cage loaded material and personnel have no resolution.And people controls by many factors such as mood, sense of responsibility, technical ability skill levels, the existence of maloperation is very large.This mode of operation safety reliability is low simultaneously, does not reach safety interlocking requirement.
Summary of the invention
Based on this, be necessary for prior art in vertical operation, to gathering around tank operation and grasping the technical matters that car operation fails to realize lock-in control, provide a kind of vertical operation-control system and control method thereof.
A kind of vertical operation-control system, comprising: sender unit, signal receiver and programmable logic controller (PLC);
The output terminal of described sender unit and the input end of described signal receiver communicate to connect, and the output terminal of described signal receiver is connected with the input end of described programmable logic controller (PLC);
The output terminal of described programmable logic controller (PLC) is electrically connected with behaviour's car safety door of described vertical operation;
Tank end of operation signal is gathered around when the input end of described signal receiver receives, then described signal receiver input end from output terminal to described programmable logic controller (PLC) send safety door close enable signal, described in gather around tank end of operation signal described vertical operation gather around tank end of operation after sent by described sender unit;
The shutoff operation of described behaviour's car safety door refused by described programmable logic controller (PLC), until the input end of described programmable logic controller (PLC) receives described safety door close enable signal, then allows the shutoff operation of described behaviour's car safety door.
A control method for foregoing vertical operation-control system, comprising:
Gather around tank end of operation step, comprising: described vertical operation gather around tank end of operation after, sent by described sender unit and gather around the complete signal of tank operation;
Signal reception step, comprising: the input end of described signal receiver receives gathers around tank end of operation signal, then the output terminal of described signal receiver closes enable signal to the input end transmission safety door of described programmable logic controller (PLC);
Rate-determining steps, comprising: the shutoff operation of described behaviour's car safety door refused by described programmable logic controller (PLC), until the input end of described programmable logic controller (PLC) receives described safety door close enable signal, allows the shutoff operation of described behaviour's car safety door;
Safety door closes step, after allowing the shutoff operation of described behaviour's car safety door, through Preset Time, performs behaviour's car safety door shutoff operation at described programmable logic controller (PLC).
In the present invention, programmable logic controller (PLC) is only when signal receiver gets the signal that sender unit sends after gathering around tank end of operation, just allow the shutoff operation of behaviour's car safety door, thus ensure that the lock-in control gathered around tank operation and operate with behaviour's car, avoid artificial interference, improve the safety coefficient of vertical operation.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of vertical operation-control system of the present invention;
Fig. 2 is the structural representation of one of them embodiment signal receiver of the present invention;
Fig. 3 is the workflow diagram of the control method of a kind of foregoing vertical operation-control system of the present invention;
Fig. 4 is that preferred embodiment enters tank side signal procedure section schematic diagram;
Fig. 5 is that preferred embodiment goes out tank side signal procedure section schematic diagram;
Fig. 6 is that preferred embodiment behaviour car signal manually closes sinistral safety gate control section schematic diagram;
Fig. 7 is that preferred embodiment behaviour car signal manually closes dextral safety gate control section schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Be illustrated in figure 1 the structural representation of a kind of vertical operation-control system of the present invention, comprise: sender unit 1, signal receiver 2 and programmable logic controller (PLC) 3;
The output terminal of sender unit 1 and the input end of signal receiver 2 communicate to connect, and the output terminal of signal receiver 2 is connected with the input end of programmable logic controller (PLC) 3;
The output terminal of programmable logic controller (PLC) 3 is electrically connected with behaviour's car safety door of vertical operation;
Tank end of operation signal is gathered around when the input end of signal receiver 2 receives, then signal receiver 2 input end from output terminal to programmable logic controller (PLC) 3 send safety door close enable signal, gather around tank end of operation signal vertical operation gather around tank end of operation after sent by sender unit;
The shutoff operation of behaviour's car safety door refused by programmable logic controller (PLC) 3, until the input end of programmable logic controller (PLC) 3 receives safety door close enable signal, then allows the shutoff operation of behaviour's car safety door.
Wherein, gather around tank end of operation can by gather around tank signalman operation signal emitter 1 send gather around tank end of operation signal, also can by various sensor to gather around tank operation detect thus trigger pip emitter 1 send gather around tank end of operation signal.
The present invention controls the shutoff operation of behaviour's car safety door by programmable logic controller (PLC) 3, the shutoff operation of behaviour's car safety door refused by programmable logic controller (PLC) 3, until after signal receiver 2 receives and gathers around tank end of operation signal, programmable logic controller (PLC) 3 just allows the shutoff operation grasping car safety door.Therefore, the present invention achieves the lock-in control gathered around between tank operation and behaviour's car safety door by sender unit 1, signal receiver 2 and programmable logic controller (PLC) 3, behaviour's car safety door cannot perform shutoff operation gathering around before tank operation does not complete, thus improves the security of vertical operation.
Specifically, the shutoff operation of behaviour's car safety door refused by programmable logic controller (PLC) 3, until after signal receiver 2 receives and gathers around tank end of operation signal, programmable logic controller (PLC) 3 just allows the shutoff operation grasping car safety door, can close in original logic at behaviour's car safety door of programmable logic controller (PLC) 3, increase a locking poiut, only have and meet this locking poiut, just can carry out safety door shutoff operation.And the input end that the condition meeting locking poiut is programmable logic controller (PLC) 3 receives safety door closedown enable signal.
Simultaneously, gather around the former employing gesture of tank signal, whistle exchanges mutually with behaviour's car signalman, the whistle of early application plastics, due to material reason, whistle is shorter for serviceable life, use shortly there will be plastics whistle and is snapped the phenomenons such as cracking can not use, later stage uses metal whistle instead, owing to gathering around the every order of classes or grades at school of tank signalman under aboveground, to send signal comparatively frequent, in addition work under bad environment dust is larger, use and shortly there will be in metal whistle and becomes rusty, cause aboveground under gather around tank signalman and suffer from canker sore disease, it is healthy that tank signalman is gathered around in serious impact.
The present invention, by the communication mode of sender unit 1 with signal receiving device 2, avoids the shortcoming of traditional operation mode.
Wherein in an embodiment, sender unit 1 comprises into tank side sender unit 11 and goes out tank side sender unit 12, the input end of signal receiver 2 comprise receive the signal that sends into tank side sender unit 11 enter tank side input end 21 and receive the signal that sends into tank side sender unit 12 go out tank side input end 22, the output terminal of signal receiver 2 comprises the tank side safety door closedown enable signal output terminal 23 that enters exported into tank side safety door closedown enable signal and closes enable signal output terminal 24 with the tank side safety door that goes out exporting out tank side safety door closedown enable signal,
The input end of programmable logic controller (PLC) 3 comprise with enter that tank side safety door closes that enable signal output terminal 23 is electrically connected enter tank side enable signal input end 31, with go out that tank side safety door closes that enable signal output terminal 24 is electrically connected go out tank side enable signal input end 32;
Signal receiver 2 is according to the signal entering input end 21 reception of tank side, control the output of closing enable signal output terminal 23 into tank side safety door, signal receiver 2, according to the signal going out input end 22 reception of tank side, controls out the output that tank side safety door closes enable signal output terminal 24;
The shutoff operation of behaviour's car safety door refused by programmable logic controller (PLC) 3, receive to close enable signal into tank side safety door and go out tank side enable signal input end 32 and receive until enter tank side enable signal input end 31 and close enable signal into tank side safety door, then allow the shutoff operation of behaviour's car safety door.
Comprise into tank side and go out tank side owing to gathering around tank operation, in the present embodiment, programmable logic controller (PLC) 3 is only entering tank side and going out after tank side all completes and gather around tank operation, just allows the shutoff operation of emergency gate, ensures further to grasp car safety.
As shown in Figure 2, wherein in an embodiment, enter tank side input end be comprise to run relay 211 into tank side and enter tank side receiving element (not shown) enter tank side dash receiver 210, going out tank side input end is comprise that tank side runs relay 221 and go out tank side receiving element goes out tank side dash receiver 220, and signal receiver also comprises into tank side disconnecting relay J1 and goes out tank side disconnecting relay J2;
The first output terminal entering tank side operation relay 211 is electrically connected with the power end J10 entering tank side disconnecting relay J1, the second output terminal entering tank side operation relay 211 is electrically connected with power supply 4, enter the first output terminal and the second output terminal that run relay 211 in tank side enter tank side receiving element receive into tank side sender unit send gather around tank end of operation signal time closed, otherwise disconnection;
The first output terminal going out tank side operation relay 221 is electrically connected with the power end J20 going out tank side disconnecting relay J2, the second output terminal going out tank side operation relay 221 is electrically connected with power supply 4, go out the first output terminal and the second output terminal that run relay 221 in tank side go out that tank side receiving element receives out that tank side sender unit sends gather around tank end of operation signal time closed, otherwise disconnection;
The the first signal output part J11 entering tank side disconnecting relay J1 is electrically connected with as the enable voltage end 51 entering tank side safety door and close the enable reference voltage of enable signal, the secondary signal output terminal J12 entering tank side disconnecting relay J1 is electrically connected with the tank side enable signal input end 52 that enters of programmable logic controller (PLC) as entering tank side safety door closedown enable signal output terminal, when entering tank side disconnecting relay and obtaining electric, the first signal output part entering tank side disconnecting relay and the secondary signal output terminal entering tank side disconnecting relay close, when entering tank side disconnecting relay dead electricity, the first signal output part entering tank side disconnecting relay and the secondary signal output terminal entering tank side disconnecting relay disconnect,
The the first signal output part J21 going out tank side disconnecting relay J2 is electrically connected with as the enable voltage end 53 going out tank side safety door and close the enable reference voltage of enable signal, the secondary signal output terminal J22 going out tank side disconnecting relay J2 is electrically connected with the tank side enable signal input end 54 that goes out of programmable logic controller (PLC) as going out tank side safety door closedown enable signal output terminal, when entering tank side disconnecting relay and obtaining electric, the first signal output part entering tank side disconnecting relay and the secondary signal output terminal entering tank side disconnecting relay close, when entering tank side disconnecting relay dead electricity, the first signal output part entering tank side disconnecting relay and the secondary signal output terminal entering tank side disconnecting relay disconnect.
Because power supply 4 can be bipolar power supply, therefore the first output terminal entering tank side operation relay 211 is electrically connected with the power end J10 entering tank side disconnecting relay J1, enter tank side and run the second output terminal of relay 211 and power supply 4 when being connected electrically in for bipolar power supply specific implementation, can be that the first output terminal running relay 211 into tank side is electrically connected with the power end J10 entering tank side disconnecting relay J1, enter tank side operation the second output terminal of relay 211 to be electrically connected with the first pole 41 of power supply 4, second pole 42 of another power end J15 and power supply 4 that enter tank side disconnecting relay J1 is electrically connected.In like manner, the first output terminal going out tank side operation relay 221 is electrically connected with the power end J20 going out tank side disconnecting relay J2, go out tank side and run the second output terminal of relay 221 and power supply 4 when being connected electrically in for bipolar power supply specific implementation, can be that the first output terminal tank side operation relay 221 is electrically connected with the power end J20 going out tank side disconnecting relay J2, go out tank side operation the second output terminal of relay 221 to be electrically connected with the first pole 41 of power supply 4, another power end J25 of tank side disconnecting relay J2 is electrically connected with the second pole 42 of power supply 4.
The present embodiment realizes the communication of signal receiver and programmable logic controller (PLC) by relay, and structure is simple and easy.
An embodiment exists wherein, the output terminal of signal receiver 2 also comprises the safety door stop signal output terminal 25 of output safety door stop signal, safety door stop signal receives going out when tank side input end receives out the request stop signal that tank side sender unit sends of the request stop signal that sends into tank side sender unit or signal receiver 2 export at the tank side input end that enters of signal receiver 2, programmable logic controller (PLC) 3 also comprises the request stop signal input end 33 be electrically connected with safety door stop signal output terminal, when the request stop signal input end 33 of programmable logic controller (PLC) receives safety door stop signal, then stop the shutoff operation of behaviour's car safety door.
When gathering around tank operation and occurring any fault, the operational sensor of tank can be gathered around or by gathering around tank signalman by being arranged on, stop signal is sent request by entering tank side sender unit or going out tank side sender unit, as long as the sender unit of side sends and asks stop signal that behaviour's car safety door all can be stoped to perform shutoff operation arbitrarily, thus ensures further to grasp car handling safety.
Wherein in an embodiment, enter tank side dash receiver 210 and also comprise into tank side slew relay 212, go out tank side dash receiver 220 and also comprise tank side slew relay 222, signal receiver 2 also comprises stopping disconnecting relay J3;
The first output terminal entering tank side slew relay 212 and the first output terminal going out tank side slew relay 222 are electrically connected with stopping the power end J30 of disconnecting relay J3 respectively, the second output terminal entering tank side slew relay 212 and the second output terminal going out tank side slew relay 222 are electrically connected with power supply 4 respectively, enter the first output terminal of tank side slew relay 212 and the second output terminal enter when tank side receiving element receives the request stop signal sent into tank side sender unit closed, otherwise disconnect, go out the first output terminal of tank side slew relay 222 and the second output terminal go out when tank side receiving element receives out the request stop signal that tank side sender unit sends closed, otherwise disconnect,
The first signal output part J31 of disconnecting relay J3 is stopped to be electrically connected with the stopping end 55 of the stopping reference voltage as safety door stop signal, the secondary signal output terminal J32 of disconnecting relay J3 is stopped to be electrically connected with the request stop signal input end 56 of programmable logic controller (PLC) as safety door stop signal output terminal, when stopping disconnecting relay obtaining electric, the first signal output part stopping disconnecting relay J3 and the secondary signal output terminal stopping disconnecting relay closing, when stopping disconnecting relay dead electricity, the first signal output part stopping disconnecting relay and the secondary signal output terminal stopping disconnecting relay disconnecting.
Because power supply 4 can be bipolar power supply, therefore the first output terminal entering tank side slew relay 212 and the first output terminal going out tank side slew relay 222 are electrically connected with stopping the power end J30 of disconnecting relay J3 respectively, when the second output terminal entering tank side slew relay 212 and the second output terminal going out tank side slew relay 222 are connected electrically in for bipolar power supply specific implementation with power supply 4 respectively, can be electrically connected with stopping the power end J30 of disconnecting relay J3 respectively into the first output terminal of tank side slew relay 212 and the first output terminal of going out tank side slew relay 222, the second output terminal entering tank side slew relay 212 and the second output terminal going out tank side slew relay 222 are electrically connected with the first pole 41 of power supply 4 respectively, another power end J35 of disconnecting relay J3 is stopped to be electrically connected with the second pole 42 of power supply 4.
The present embodiment realizes sending safety door stop signal to programmable logic controller (PLC) by relay, and structure is simple and easy.
An embodiment exists wherein, also comprises alarm;
The first warning end J33 of the first warning end J13 entering tank side disconnecting relay J1, the first warning end J23 going out tank side disconnecting relay J2, stopping disconnecting relay J3 is electrically connected with alarm respectively, and the second warning end J14 entering tank side disconnecting relay J1, the second warning going out tank side disconnecting relay J2 are held J24, stopped second of disconnecting relay J3 the warning end J34 to be connected with power electric respectively.
Embodiment adds alarm, so that while sending signal, remind operating personnel by alarm, alarm is preferably audible-visual annunciator.
An embodiment exists wherein, and the output terminal of sender unit 1 and the input end of signal receiver 2 are that radio communication is connected.
The mode that the present embodiment adopts radio communication to connect can improve the facility of communication better.
Be illustrated in figure 3 the workflow diagram of the control method of a kind of foregoing vertical operation-control system of the present invention, comprise:
Step S301, comprising: vertical operation gather around tank end of operation after, by sender unit send gather around tank end of operation signal;
Step S302, comprising: the input end of signal receiver receives gathers around tank end of operation signal, then the output terminal of signal receiver closes enable signal to the input end transmission safety door of programmable logic controller (PLC);
Step S303, comprising: the shutoff operation of programmable logic controller (PLC) refusal behaviour car safety door, until the input end of programmable logic controller (PLC) receives safety door close enable signal, allows the shutoff operation of described behaviour's car safety door;
Step S304, after allowing the shutoff operation of described behaviour's car safety door, through Preset Time, performs behaviour's car safety door shutoff operation at described programmable logic controller (PLC).
After gathering around tank end of operation, tank end of operation signal can being gathered around with completing steps S301 by being arranged on the sensor gathered around on tank operating equipment by sender unit transmission, also can gather around tank end of operation signal with completing steps S301 by gathering around tank signalman by sender unit transmission.By aforesaid vertical operation-control system finally in step S303, the input end of programmable logic controller (PLC) receives safety door and closes enable signal, allow the shutoff operation of described behaviour's car safety door, the controller then now grasping car operation can perform behaviour's car safety door shutoff operation after other conditions of behaviour's car safety door complete detecting, or perform step S304 startup behaviour car safety door X button by behaviour's turner, complete behaviour's car safety door shutoff operation.
Clear logic of the present invention, improves the security of vertical operation.
An embodiment exists wherein, also comprises:
When the input end of signal receiver receives the request stop signal that sender unit sends, then the output terminal of signal receiver sends safety door stop signal to the input end of programmable logic controller (PLC);
Programmable logic controller (PLC) receives safety door stop signal, then stop the shutoff operation of behaviour's car safety door.
Embodiment adds the logic stopping safety door closing, improve the security of vertical operation further.
An embodiment exists wherein, and sender unit comprises into tank side sender unit and goes out tank side sender unit;
Step S301, specifically comprises: when entering after tank side gathers around tank end of operation, sends gather around tank end of operation signal by entering tank side sender unit, when going out after tank side gathers around tank end of operation, sending gather around tank end of operation signal by going out tank side sender unit;
Step S302, specifically comprise: the input end of signal receiver receive send into tank side sender unit gather around tank end of operation signal, then the output terminal of signal receiver sends to the input end of programmable logic controller (PLC) and closes enable signal into tank side safety door, what the input end of signal receiver received out that tank side sender unit sends gathers around tank end of operation signal, then the output terminal of signal receiver sends out tank side safety door to the input end of programmable logic controller (PLC) and closes enable signal;
Step S303, specifically comprise: the shutoff operation of programmable logic controller (PLC) refusal behaviour car safety door, until the input end of programmable logic controller (PLC) receives into tank side safety door closedown enable signal and receives close enable signal into tank side safety door, allow the shutoff operation of described behaviour's car safety door.
The present embodiment is all monitored entering tank side and going out tank side, improves the security of vertical operation further.
As preferred embodiment, on the basis of former holding tramcar system program, set up entering tank side signal procedure section and going out tank side signal procedure section as Fig. 5 as Fig. 4, Mitsubishi PLC counting module is utilized to distinguish the run signal and stop signal of gathering around tank work, and manually close sinistral safety gate control section and behaviour's car signal as shown in Figure 7 at behaviour's car signal as shown in Figure 6 and manually close and dextral safety gate control section is set up into tank side signal block point M300 and goes out tank side signal block point M301, only have and meet into tank side signal block point M300 with under going out tank side signal block point M301 condition, just safety door shutoff operation can be carried out.
Enter tank side to gather around tank signalman and go out after tank side gathers around tank signalman operation, send 2 times signaling points respectively, trigger the counting module C10 into tank side signal procedure section and the counting module C20 action going out tank side signal procedure section, enter tank side signal block point M300 and go out tank side signal block point M301 to close, behaviour's car signalman can carry out safety door shutoff operation.After behaviour's car signalman grasps car, the counting module C10 entering tank side signal procedure section and the counting module C20 going out tank side signal procedure section plays as each sensor points X051, X053, X044, X046 automatically reset, for preparation is made in next circulation by cage chair.
In order to adapt to gather around the emergency situations that tank signalman occurs in practical operation process, be provided with stop signal point X101, when in behaviour's car process, tank work is gathered around when pinpointing the problems in any side, send halt, the counting module C10 entering tank side signal procedure section and the counting module C20 going out tank side signal procedure section resets, and stops the operation of behaviour's car.
At hardware aspect, gather around the former employing gesture of tank signal, whistle exchanges mutually with behaviour's car signalman, the whistle of early application plastics, due to material reason, whistle is shorter for serviceable life, use shortly there will be plastics whistle and is snapped the phenomenons such as cracking can not use, later stage uses metal whistle instead, owing to gathering around the every order of classes or grades at school of tank signalman under aboveground, to send signal comparatively frequent, in addition work under bad environment dust is larger, use and shortly there will be in metal whistle and becomes rusty, cause aboveground under gather around tank signalman and suffer from canker sore disease, it is healthy that tank signalman is gathered around in serious impact.
In order to solve the problem, most preferred embodiment adopts wireless signal to replace traditional operation mode.Send signal instruction by hand-held teleseme, KGS-A20 receiver carries out corresponding signal reception and registration after receiving instruction.Wireless signal system is primarily of RXM4AB2P7 relay, BAL2-127 (36) G series flame-proof mine acousto-optic combined electric bell, hand-held teleseme, KGS-A20 wireless receiver composition.
Wireless signal principle of work:
Enter tank side to gather around tank work and send run signal (hand-held set press run button 2 times), 1# dash receiver runs relay closes, disconnecting relay J1 energized action, J1 run signal contact J11, J12 are closed, sound and light signal contact J13, J14 are closed simultaneously, run signal is got an electric shock and is accessed Mitsubishi PLC Input terminal block X100, and its counting module C10 is worked, and enters tank side signal block point M300 and closes.Meanwhile, J13, J14 action of sound and light signal contact, makes acoustooptic trembler bell send twice sound.
Go out tank side to gather around tank work and send run signal (hand-held set press run button 2 times), 2# dash receiver runs relay closes, disconnecting relay J2 energized action, J2 run signal contact J21, J22 and sound and light signal contact J23, J24 close, run signal is got an electric shock and is accessed Mitsubishi PLC Input terminal block X200, its counting module C20 is worked, enters tank side signal block point and close.Meanwhile, J23, J24 action of sound and light signal contact, makes acoustooptic trembler bell send twice sound.
Gather around tank work when entering tank side and go out after tank side signalman completes aforesaid operations, signal behaviour car locking poiut all closes, and behaviour's car signalman can normally grasp car operation.
When in behaviour's car process, when finding that bursting problem needs to stop behaviour's car into and out of any side signalman of tank, press the hand-held teleseme stop button in this side, make slew relay J3 action, J3 stop signal contact J31, J32 and sound and light signal contact J33, J34 close, and stop signal is got an electric shock and accessed Mitsubishi PLC Input terminal block X101, its counting module C10 and C20 is resetted, counting resets, and disconnects into and out of side signal block point M300, M301, stops behaviour's car.Meanwhile, J33, J34 action of sound and light signal contact, makes acoustooptic trembler bell send 1 sound.
Of the present inventionly gather around tank signal and holding tramcar system interlocks, eliminate people and cause the hidden danger of accident for maloperation, achieve the design concept of " people's maloperation, equipment not misoperation ", enter tank side to gather around tank work, go out that tank work is gathered around in tank side, behaviour car signalman tripartite interlocks each other, improve safety coefficient.Meanwhile, the use of wireless signal, eliminates the maloperation because gesture, whistle poor TV signal cause, ensure that employee is healthy, improve accuracy and the quality of signal.
The above embodiment only have expressed several embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a vertical operation-control system, is characterized in that, comprising: sender unit, signal receiver and programmable logic controller (PLC);
The output terminal of described sender unit and the input end of described signal receiver communicate to connect, and the output terminal of described signal receiver is connected with the input end of described programmable logic controller (PLC);
The output terminal of described programmable logic controller (PLC) is electrically connected with behaviour's car safety door of described vertical operation;
Tank end of operation signal is gathered around when the input end of described signal receiver receives, then described signal receiver input end from output terminal to described programmable logic controller (PLC) send safety door close enable signal, described in gather around tank end of operation signal described vertical operation gather around tank end of operation after sent by described sender unit;
The shutoff operation of described behaviour's car safety door refused by described programmable logic controller (PLC), until the input end of described programmable logic controller (PLC) receives described safety door close enable signal, then allows the shutoff operation of described behaviour's car safety door.
2. vertical operation-control system according to claim 1, it is characterized in that, described sender unit comprises into tank side sender unit and goes out tank side sender unit, the input end of described signal receiver comprise to enter described in reception signal that tank side sender unit sends enter tank side input end and enter signal that tank side sender unit sends described in receiving go out tank side input end, the output terminal of described signal receiver comprises the tank side safety door closedown enable signal output terminal that enters exported into tank side safety door closedown enable signal and closes enable signal output terminal with the tank side safety door that goes out exporting out tank side safety door closedown enable signal,
The input end of described programmable logic controller (PLC) comprise with described enter tank side safety door close that enable signal output terminal is electrically connected enter tank side enable signal input end, with described go out tank side safety door close that enable signal output terminal is electrically connected go out tank side enable signal input end;
Described signal receiver according to described in enter the signal that tank side input end receives, the output that tank side safety door closes enable signal output terminal is entered described in control, described signal receiver according to described in go out the signal that tank side input end receives, go out the output that tank side safety door closes enable signal output terminal described in control;
The shutoff operation of described behaviour's car safety door refused by described programmable logic controller (PLC), until described in enter tank side enable signal input end receive described in enter tank side safety door close enable signal and described in go out tank side enable signal input end receive described in enter tank side safety door and close enable signal, then allow the shutoff operation of described behaviour's car safety door.
3. vertical operation-control system according to claim 2, it is characterized in that, described enter tank side input end be comprise to run relay into tank side and enter tank side receiving element enter tank side dash receiver, described go out tank side input end be comprise tank side run relay and go out tank side receiving element go out tank side dash receiver, described signal receiver also comprises into tank side disconnecting relay and goes out tank side disconnecting relay;
Described enter tank side the first output terminal of running relay with described enter the power end of tank side disconnecting relay be electrically connected, described enter tank side run the second output terminal of relay and be connected with power electric, described enter tank side the first output terminal and the second output terminal that run relay enter described in entering tank side receiving element and receiving that tank side sender unit sends gather around tank end of operation signal time closed, otherwise disconnection;
Described go out tank side the first output terminal of running relay with described go out the power end of tank side disconnecting relay be electrically connected, described go out tank side run the second output terminal of relay and be connected with power electric, described go out tank side the first output terminal and the second output terminal that run relay go out described in going out tank side receiving element and receiving that tank side sender unit sends gather around tank end of operation signal time closed, otherwise disconnection;
Described enter the first signal output part of tank side disconnecting relay be electrically connected with as the enable voltage end entering tank side safety door and close the enable reference voltage of enable signal, described enter tank side disconnecting relay secondary signal output terminal as described enter tank side safety door close enable signal output terminal and be electrically connected with the tank side enable signal input end that enters of described programmable logic controller (PLC), when described enter tank side disconnecting relay obtain electric time, described enter tank side disconnecting relay the first signal output part and described enter tank side disconnecting relay secondary signal output terminal close, when described enter tank side disconnecting relay dead electricity time, described enter tank side disconnecting relay the first signal output part and described enter tank side disconnecting relay secondary signal output terminal disconnect,
Described go out the first signal output part of tank side disconnecting relay be electrically connected with as the enable voltage end going out tank side safety door and close the enable reference voltage of enable signal, described go out tank side disconnecting relay secondary signal output terminal as described go out tank side safety door close enable signal output terminal and be electrically connected with the tank side enable signal input end that goes out of described programmable logic controller (PLC), when described enter tank side disconnecting relay obtain electric time, described enter tank side disconnecting relay the first signal output part and described enter tank side disconnecting relay secondary signal output terminal close, when described enter tank side disconnecting relay dead electricity time, described enter tank side disconnecting relay the first signal output part and described enter tank side disconnecting relay secondary signal output terminal disconnect.
4. vertical operation-control system according to claim 3, it is characterized in that, the output terminal of described signal receiver also comprises the safety door stop signal output terminal of output safety door stop signal, described safety door stop signal exports when going out the request stop signal that tank side sender unit sends described in entering to go out described in request stop signal or described signal receiver that tank side sender unit sends tank side input end described in entering tank side input end described in described signal receiver and receiving and receiving, described programmable logic controller (PLC) also comprises the request stop signal input end be electrically connected with described safety door stop signal output terminal, when the request stop signal input end of described programmable logic controller (PLC) receives described safety door stop signal, then stop the shutoff operation of described behaviour's car safety door.
5. vertical operation-control system according to claim 4, it is characterized in that, described enter tank side dash receiver also comprise into tank side slew relay, described in go out tank side dash receiver and also comprise tank side slew relay, described signal receiver also comprises stopping disconnecting relay;
Described enter tank side slew relay the first output terminal and described go out the first output terminal of tank side slew relay be electrically connected with the power end of described stopping disconnecting relay respectively, described enter tank side slew relay the second output terminal with described go out the second output terminal of tank side slew relay be connected with power electric respectively, described enter the first output terminal of tank side slew relay and the second output terminal enter when tank side receiving element receives the request stop signal sent into tank side sender unit closed, otherwise disconnect, described go out the first output terminal of tank side slew relay and the second output terminal closed when going out the request stop signal that tank side sender unit sends described in going out tank side receiving element and receiving, otherwise disconnect,
First signal output part of described stopping disconnecting relay being electrically connected with the stopping end of the stopping reference voltage as safety door stop signal, the secondary signal output terminal of described stopping disconnecting relay being electrically connected with the request stop signal input end of described programmable logic controller (PLC) as described safety door stop signal output terminal, when described stopping disconnecting relay obtaining electric, first signal output part of described stopping disconnecting relay and the secondary signal output terminal of described stopping disconnecting relay closing, when described stopping disconnecting relay dead electricity, first signal output part of described stopping disconnecting relay and the secondary signal output terminal of described stopping disconnecting relay disconnecting.
6. vertical operation-control system according to claim 3, is characterized in that, also comprise alarm;
Described enter tank side disconnecting relay first report to the police end, described in go out tank side disconnecting relay first report to the police end, described stopping disconnecting relay first report to the police end be electrically connected with described alarm respectively, described in enter tank side disconnecting relay second report to the police end, described in go out tank side disconnecting relay second report to the police end, described stopping disconnecting relay second report to the police end be connected with described power electric respectively.
7. vertical operation-control system according to claim 1, is characterized in that, the output terminal of described sender unit and the input end of described signal receiver are that radio communication is connected.
8. a control method for vertical operation-control system as claimed in claim 1, is characterized in that, comprising:
Gather around tank end of operation step, comprising: described vertical operation gather around tank end of operation after, sent by described sender unit and gather around tank end of operation signal;
Signal reception step, comprising: the input end of described signal receiver receives gathers around tank end of operation signal, then the output terminal of described signal receiver closes enable signal to the input end transmission safety door of described programmable logic controller (PLC);
Rate-determining steps, comprising: the shutoff operation of described behaviour's car safety door refused by described programmable logic controller (PLC), until the input end of described programmable logic controller (PLC) receives described safety door close enable signal, allows the shutoff operation of described behaviour's car safety door;
Safety door closes step, after allowing the shutoff operation of described behaviour's car safety door, through Preset Time, performs behaviour's car safety door shutoff operation at described programmable logic controller (PLC).
9. the control method of vertical operation-control system according to claim 8, is characterized in that, also comprise:
When the input end of described signal receiver receives the request stop signal that described sender unit sends, then the output terminal of described signal receiver sends safety door stop signal to the input end of described programmable logic controller (PLC);
Described programmable logic controller (PLC) receives described safety door stop signal, then stop the shutoff operation of described behaviour's car safety door.
10. the control method of vertical operation-control system according to claim 9, is characterized in that, described sender unit comprises into tank side sender unit and goes out tank side sender unit;
Describedly gather around tank end of operation step, specifically comprise: when entering after tank side gathers around tank end of operation, by described enter tank side sender unit send and gather around tank end of operation signal, when going out after tank side gathers around tank end of operation, by described go out tank side sender unit send and gather around tank end of operation signal;
Described Signal reception step, specifically comprise: that enters described in the input end of described signal receiver receives that tank side sender unit sends gathers around tank end of operation signal, then the output terminal of described signal receiver sends to the input end of described programmable logic controller (PLC) and closes enable signal into tank side safety door, what go out described in the input end of described signal receiver receives that tank side sender unit sends gathers around tank end of operation signal, then the output terminal of described signal receiver sends out tank side safety door to the input end of described programmable logic controller (PLC) and closes enable signal;
Described rate-determining steps, specifically comprise: the shutoff operation of described behaviour's car safety door refused by described programmable logic controller (PLC), until the input end of described programmable logic controller (PLC) receive described in enter tank side safety door and close enable signal and enter tank side safety door described in receiving and close enable signal, allow the shutoff operation of described behaviour's car safety door.
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| CN201510708302.9A CN105259862B (en) | 2015-10-27 | 2015-10-27 | A kind of vertical operation-control system and its control method |
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| CN201510708302.9A CN105259862B (en) | 2015-10-27 | 2015-10-27 | A kind of vertical operation-control system and its control method |
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Cited By (1)
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| CN105259862B (en) | 2018-03-30 |
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