CN203962042U - A kind of acoustic-optic alarm of downhole safety door operation - Google Patents
A kind of acoustic-optic alarm of downhole safety door operation Download PDFInfo
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- CN203962042U CN203962042U CN201420384460.4U CN201420384460U CN203962042U CN 203962042 U CN203962042 U CN 203962042U CN 201420384460 U CN201420384460 U CN 201420384460U CN 203962042 U CN203962042 U CN 203962042U
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Abstract
The utility model discloses the acoustic-optic alarm of a kind of downhole safety door operation, comprise that Underwell mining lift control switch, four position approach switchs, logic control circuit, safety doors are opened to bit switch, safety door is closed to bit switch and alarm unit; Described Underwell mining lift control switch, four position approach switchs, safety doors are opened to bit switch and safety door and are closed to the equal andlogic control circuit of bit switch and are connected, and described logic control circuit drives alarm unit.Whole apparatus structure is simple, easily realize, by mine car, trigger the position approach switch arranging on Underwell mining track, utilize logic control circuit Real Time Drive alarm unit, sound and light alarm can accurately make the just real-time operation condition of hearing and see safety door of energy of staff, effectively prevents the generation of collision accident.
Description
Technical field
The utility model relates to a kind of acoustic-optic alarm of downhole safety door operation.
Background technology
Downhole safety door is the important safety facility of downhole production, the probability that traditional safety door control loop machinery and electric component break down is larger, the not instant discovery of staff once safety door breaks down, be easy to occur the generation of mine car and safety door collision accident, consequence is hardly imaginable.
Therefore, be badly in need of setting up in safety door control system one can instant alarming when being enclosed within safety door operation and breaking down device, make the operation condition of hearing and see safety door that staff just can be real-time, effectively prevent the generation of collision accident.
Utility model content
The utility model provides a kind of acoustic-optic alarm of downhole safety door operation, and its object is, overcomes the problem that cannot send in time alarm signal when downhole safety door of the prior art breaks down.
An acoustic-optic alarm for downhole safety door operation, comprises that Underwell mining lift control switch, four position approach switchs, logic control circuit, safety doors are opened to bit switch, safety door is closed to bit switch and alarm unit;
Described four position approach switchs comprise be arranged on tramroad by well head to the first upward position approach switch A1, the second upward position approach switch A2, the first downstream position approach switch A3 and the second downstream position approach switch A4 on the stroke of shaft bottom;
Described the first upward position approach switch A1 is arranged at safety door safety shutdown point 6 between shaft bottom, and described the second upward position approach switch A2 is arranged at 6 of safety door safety shutdown points between well head;
Described the first downstream position approach switch A3 is arranged at safety door safe opening point 5 between well head, and described the second downstream position approach switch A4 is arranged at safety door safe opening point 5 between shaft bottom;
Described safety door safe opening point refers to that, in the descending process of mine car, when safety door is normally opened, mine car is positioned at the position on track;
Described safety door safety shutdown point refers to that, in the up process of mine car, when safety door is normally closed, mine car is positioned at the position on track;
When mine car upwards moves, first through the first upward position approach switch, then through the second upward position approach switch;
When mine car moves downwards, first through the first downstream position approach switch, then through the second downstream position approach switch;
Described Underwell mining lift control switch, four position approach switchs, safety doors are opened to bit switch and safety door and are closed to the equal andlogic control circuit of bit switch and are connected, and described logic control circuit drives alarm unit.
Described logic control circuit comprises four and door, four XOR gates and a not gate;
Described logic control circuit comprises four and door, four XOR gates and a not gate;
Described four with door be respectively first with a door E1, second with door E2, the 3rd with door E3 and the 4th with E4, and all comprise three inputs;
Described four XOR gates are respectively the first XOR gate D1, the second XOR gate D2, the 3rd XOR gate D3 and the 4th XOR gate D4;
Described the first upward position approach switch A1 is opened to bit switch C1 with safety door and is connected with two inputs of the first XOR gate D1 respectively, and the output of described the first XOR gate, described Underwell mining lift control switch B and described the first upward position switch A1 are connected with three inputs of door E1 with first respectively;
Described the second upward position approach switch A2 is closed to bit switch C2 with safety door and is connected with two inputs of the second XOR gate D2 respectively, and the output of described the second XOR gate, described Underwell mining lift control switch B and described the second upward position switch A2 are connected with three inputs of door E2 with second respectively;
Described the first downstream position approach switch A3 is closed to bit switch C2 with safety door and is connected with two inputs of the 3rd XOR gate D3 respectively, described Underwell mining lift control switch NAND gate connects, described the 3rd output of XOR gate, the output of described not gate and described the first downstream position switch A3 be connected with three inputs of door E3 with the 3rd respectively;
Described the second downstream position approach switch A4 is opened to bit switch with safety door and is connected with two inputs of the 4th XOR gate D4 respectively, described Underwell mining lift control switch is connected with the first not gate, and described the 4th output of XOR gate is, the output of described not gate and described second goes downwards to bit switch A4 is connected with three inputs of door E4 with the 4th respectively;
Described four are connected with four inputs of described alarm unit respectively with the output of door.
Described alarm unit comprises audible alarm module and light warning module.
Also comprise and be opened to bit switch with described safety door and safety door is closed to the loudspeaker that bit switch is directly connected.
Also comprise the display unit that andlogic control circuit is connected.
Described logic control circuit can be used existing PLC to substitute, and realizes logic control.
Beneficial effect
The utility model provides the acoustic-optic alarm of a kind of downhole safety door operation, comprises that Underwell mining lift control switch, four position approach switchs, logic control circuit, safety doors are opened to bit switch, safety door is closed to bit switch and alarm unit; Described four position approach switchs comprise be arranged on tramroad by well head to the first upward position approach switch, the second upward position approach switch, the first downstream position approach switch and the second downstream position approach switch on the stroke of shaft bottom; Described the first upward position approach switch is arranged at safety door safety shutdown point between shaft bottom, and described the second upward position approach switch is arranged at safety door safety shutdown point between well head; Described the first downstream position approach switch is arranged at safety door safe opening point between well head, and described the second downstream position approach switch is arranged at safety door safe opening point between shaft bottom; Described Underwell mining lift control switch, four position approach switchs, safety doors are opened to bit switch and safety door and are closed to the equal andlogic control circuit of bit switch and are connected, and described logic control circuit drives alarm unit.Whole apparatus structure is simple, easily realize, by mine car, trigger the position approach switch arranging on Underwell mining track, utilize logic control circuit Real Time Drive alarm unit, sound and light alarm can accurately make the just real-time operation condition of hearing and see safety door of energy of staff, effectively prevents the generation of collision accident.
Accompanying drawing explanation
Fig. 1 is the structural representation of device described in the utility model;
Fig. 2 is each switch scheme of installation of the utility model tramroad;
Wherein, 1 is that the first upward position approach switch, 2 is that the second upward position approach switch, 3 is that the first downstream position approach switch, 4 is that the second downstream position approach switch, 5 is that safety door safe opening point, 6 is that safety door safety shutdown point, 7 is that safety door, 10 is tramroad for safety door is opened to bit switch, 8 for safety door is closed to bit switch, 9.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further.
An acoustic-optic alarm for downhole safety door operation, comprises that Underwell mining lift control switch, four position approach switchs, logic control circuit, safety doors are opened to bit switch 7, safety door is closed to bit switch 8 and alarm unit;
Described four position approach switchs comprise be arranged on tramroad by well head to the first upward position approach switch 1, the second upward position approach switch 2, the first downstream position approach switch 3 and the second downstream position approach switch 4 on the stroke of shaft bottom;
Described the first upward position approach switch 1 is arranged at safety door safety shutdown point 6 between shaft bottom, in the interval S4 indicating in Fig. 2, described the second upward position approach switch 2 is arranged at safety door safety shutdown point 6 between well head, in the interval S3 indicating in Fig. 2;
Described the first downstream position approach switch 3 is arranged at safety door safe opening point 5 between well head, in the interval S1 indicating in Fig. 2, described the second downstream position approach switch 4 is arranged at safety door safe opening point 5 between shaft bottom, in the interval S2 indicating in Fig. 2;
Described safety door safe opening point refers to that, in the descending process of mine car, when safety door is normally opened, mine car is positioned at the position on track, and in Fig. 2, label 5;
Described safety door safety shutdown point refers to that, in the up process of mine car, when safety door is normally closed, mine car is positioned at the position on track, and in Fig. 2, label 6;
When mine car upwards moves, first through the first upward position approach switch, then through the second upward position approach switch;
When mine car moves downwards, first through the first downstream position approach switch, then through the second downstream position approach switch;
Described Underwell mining lift control switch, four position approach switchs, safety doors are opened to bit switch and safety door and are closed to the equal andlogic control circuit of bit switch and are connected, and described logic control circuit drives alarm unit.
Described logic control circuit comprises four and door, four XOR gates and a not gate;
Described four with door be respectively first with a door E1, second with door E2, the 3rd with door E3 and the 4th with E4, and all comprise three inputs;
Described four XOR gates are respectively the first XOR gate D1, the second XOR gate D2, the 3rd XOR gate D3 and the 4th XOR gate D4;
Described the first upward position approach switch A1 is opened to bit switch C1 with safety door and is connected with two inputs of the first XOR gate D1 respectively, and the output of described the first XOR gate, described Underwell mining lift control switch B and described the first upward position switch A1 are connected with three inputs of door E1 with first respectively;
Described the second upward position approach switch A2 is closed to bit switch C2 with safety door and is connected with two inputs of the second XOR gate D2 respectively, and the output of described the second XOR gate, described Underwell mining lift control switch B and described the second upward position switch A2 are connected with three inputs of door E2 with second respectively;
Described the first downstream position approach switch A3 is closed to bit switch C2 with safety door and is connected with two inputs of the 3rd XOR gate D3 respectively, described Underwell mining lift control switch NAND gate connects, described the 3rd output of XOR gate, the output of described not gate and described the first downstream position switch A3 be connected with three inputs of door E3 with the 3rd respectively;
Described the second downstream position approach switch A4 is opened to bit switch with safety door and is connected with two inputs of the 4th XOR gate D4 respectively, described Underwell mining lift control switch is connected with the first not gate, and described the 4th output of XOR gate is, the output of described not gate and described second goes downwards to bit switch A4 is connected with three inputs of door E4 with the 4th respectively;
Described four are connected with four inputs of described alarm unit respectively with the output of door.
In up process, mine car lift control switch is output as 1, if the first upward position approach switch is triggered 1, once occur that upper location switch is not triggered, upper location switch is output as 0, shows that current safety door breaks down, and starts to enter in advance closing process, logic control circuit output alarm signal is 1, reports to the police in trigger alarm unit;
In up process, mine car lift control switch is output as 1, if the second upward position approach switch is triggered 1, once occur that lower location switch is not triggered, lower location switch is output as 0, shows that current safety door breaks down, and postpones and enters closing process, logic control circuit output alarm signal is 1, reports to the police in trigger alarm unit;
In descending process, mine car lift control switch is output as 0, if the first downstream position approach switch is triggered 1, once put in place under occurring, not switch is triggered, and lower location switch is output as 0, shows that current safety door breaks down, when mine car is far apart from safety door, safety door is opened in advance, and logic control circuit output alarm signal is 1, reports to the police in trigger alarm unit;
In descending process, mine car lift control switch is output as 0, if the second downstream position approach switch is triggered 1, once put in place on occurring, not switch is triggered, and upper location switch is output as 0, shows that current safety door breaks down, when mine car approaches safety door, safety door is not opened yet, and logic control circuit output alarm signal is 1, reports to the police in trigger alarm unit;
In the up process of mine car, with upward position approach switch, be triggered and mine car lift control switch output rising signals, whether be triggered: when the first upward position approach switch is triggered, judgement safety door is opened to bit switch if judging that safety door is opened to bit switch or is closed to bit switch; When the second upward position approach switch is triggered, judgement safety door is closed to bit switch; Once safety door is opened to bit switch or is closed to bit switch and is not triggered, occur reporting to the police, the upward position approach switch of take is triggered and exports rising signals is prerequisite as useful signal 1, and the safety door of usining is opened to bit switch or is closed to the be not triggered signal of output and the useful signal of position approach switch output of bit switch and carries out signal that xor operation obtains as the driving signal of alarm unit.
In the descending process of mine car, with downstream position approach switch, be triggered and mine car lift control switch output dropping signal, whether be triggered: when the first downstream position approach switch is triggered, judgement safety door is closed to bit switch if judging that safety door is opened to bit switch or is closed to bit switch; When the second downstream position approach switch is triggered, judgement safety door is opened to bit switch; Once safety door is opened to bit switch or is closed to bit switch and is not triggered, occur reporting to the police, the upward position approach switch of take is triggered and exports dropping signal is prerequisite as useful signal 1, and the safety door of usining is opened to bit switch or is closed to the be not triggered signal of output and the useful signal of position approach switch output of bit switch and carries out signal that xor operation obtains as the driving signal of alarm unit.
Be up process logic judgment formula: S=A+B+ (A ⊕ C), S is output as 1, sends warning, and wherein, when A is A1, C is C1, and when A is A2, C is C2;
Descending process logic judgment formula:
s is output as 1, sends warning, and wherein, when A is A4, C is C1, and when A is A3, C is C2; Because dropping signal is 0, during as useful signal, utilize logic inverter to obtain useful signal 1;
While there is any one fault, send alarm signal trigger alarm unit and send warning; For example: at mine car, make progress in running, when mine car arrives the second upward position approach switch, away from the second safe distance, safety door is not closed yet completely, sounds or light alarm, simultaneously, at demonstration screen display safety door, do not close completely, break down.
Described logic control circuit can be used existing PLC to substitute, and realizes logic control.
Described alarm unit comprises audible alarm module and light warning module.
Also comprise and be opened to bit switch with described safety door and safety door is closed to the loudspeaker that bit switch is directly connected.
Also comprise the display unit that andlogic control circuit is connected.
Accidental conditions process at safety door is as follows:
Safety door 9 is positioned at apart from 12 meters of of well head, when elevator driver sends reverse signal and starts mine car and move downwards, when wire rope mouth moves to apart from 6 meters, well head, safety door starts to upwardly open, when pushing down while being opened to bit switch safety door, open and finish, be opened to bit switch and open; When elevator driver sends forward signal and starts mine car and upwards move, when wire rope mouth moves to apart from 7 meters, well head, safety door starts to close downwards, when pushing down safety door while being closed to bit switch, closes end, is closed to bit switch and opens.
Applying device described in the utility model, to carry out Realtime Alerts process as follows:
(1) the operation of hoist engine forward (being upwards operation of mine car), when mine car in shaft bottom with when moving in the interval of 8 meters, well head, trigger the first upward position approach switch, if safety door leaves and is opened to bit switch and can judges that safety door has fault, output triggers sound circuit and reports to the police;
(2) the operation of hoist engine forward (being upwards operation of mine car), when mine car is between 3 meters and bank during operation, trigger the second upward position approach switch, if safety door is not pushed down and is closed to bit switch and can judges that safety door has fault, output triggers sound circuit and reports to the police;
(3) hoist engine inverted running (being that mine car moves downwards), while moving in the interval of mine car well head and 5 meters, trigger the first downstream position approach switch, if safety door leaves and is closed to bit switch and can judges that safety door has fault, output triggers sound circuit and reports to the police;
(4) hoist engine inverted running (being that mine car moves downwards), when mine car moves in the interval with shaft bottom at 9 meters, trigger the second downstream position approach switch, if safety door is not pushed down and is opened to bit switch and can judges that safety door has fault, output triggers sound circuit and reports to the police.
Claims (5)
1. an acoustic-optic alarm for downhole safety door operation, is characterized in that, comprises that Underwell mining lift control switch, four position approach switchs, logic control circuit, safety doors are opened to bit switch, safety door is closed to bit switch and alarm unit;
Described four position approach switchs comprise be arranged on tramroad by well head to the first upward position approach switch A1, the second upward position approach switch A2, the first downstream position approach switch A3 and the second downstream position approach switch A4 on the stroke of shaft bottom;
Described the first upward position approach switch A1 is arranged at safety door safety shutdown point between shaft bottom, and described the second upward position approach switch A2 is arranged at safety door safety shutdown point between well head;
Described the first downstream position approach switch A3 is arranged at safety door safe opening point between well head, and described the second downstream position approach switch A4 is arranged at safety door safe opening point between shaft bottom;
Described safety door safe opening point refers to that, in the descending process of mine car, when safety door is normally opened, mine car is positioned at the position on track;
Described safety door safety shutdown point refers to that, in the up process of mine car, when safety door is normally closed, mine car is positioned at the position on track;
Described Underwell mining lift control switch, four position approach switchs, safety doors are opened to bit switch and safety door and are closed to the equal andlogic control circuit of bit switch and are connected, and described logic control circuit drives alarm unit.
2. the acoustic-optic alarm of downhole safety door operation according to claim 1, is characterized in that, described logic control circuit comprises four and door, four XOR gates and a not gate;
Described logic control circuit comprises four and door, four XOR gates and a not gate;
Described four with door be respectively first with a door E1, second with door E2, the 3rd with door E3 and the 4th with E4, and all comprise three inputs;
Described four XOR gates are respectively the first XOR gate D1, the second XOR gate D2, the 3rd XOR gate D3 and the 4th XOR gate D4;
Described the first upward position approach switch A1 is opened to bit switch C1 with safety door and is connected with two inputs of the first XOR gate D1 respectively, and the output of described the first XOR gate, described Underwell mining lift control switch B and described the first upward position switch A1 are connected with three inputs of door E1 with first respectively;
Described the second upward position approach switch A2 is closed to bit switch C2 with safety door and is connected with two inputs of the second XOR gate D2 respectively, and the output of described the second XOR gate, described Underwell mining lift control switch B and described the second upward position switch A2 are connected with three inputs of door E2 with second respectively;
Described the first downstream position approach switch A3 is closed to bit switch C2 with safety door and is connected with two inputs of the 3rd XOR gate D3 respectively, described Underwell mining lift control switch NAND gate connects, described the 3rd output of XOR gate, the output of described not gate and described the first downstream position switch A3 be connected with three inputs of door E3 with the 3rd respectively;
Described the second downstream position approach switch A4 is opened to bit switch with safety door and is connected with two inputs of the 4th XOR gate D4 respectively, described Underwell mining lift control switch is connected with the first not gate, and described the 4th output of XOR gate is, the output of described not gate and described second goes downwards to bit switch A4 is connected with three inputs of door E4 with the 4th respectively;
Described four are connected with four inputs of described alarm unit respectively with the output of door.
3. the acoustic-optic alarm of downhole safety door operation according to claim 2, is characterized in that, described alarm unit comprises audible alarm module and light warning module.
4. according to the acoustic-optic alarm of the downhole safety door operation described in claim 1-3 any one, it is characterized in that, also comprise being opened to bit switch with described safety door and safety door is closed to the loudspeaker that bit switch is directly connected.
5. the acoustic-optic alarm of downhole safety door operation according to claim 4, is characterized in that, also comprises the display unit that andlogic control circuit is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384460.4U CN203962042U (en) | 2014-07-11 | 2014-07-11 | A kind of acoustic-optic alarm of downhole safety door operation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420384460.4U CN203962042U (en) | 2014-07-11 | 2014-07-11 | A kind of acoustic-optic alarm of downhole safety door operation |
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| CN203962042U true CN203962042U (en) | 2014-11-26 |
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| CN201420384460.4U Active CN203962042U (en) | 2014-07-11 | 2014-07-11 | A kind of acoustic-optic alarm of downhole safety door operation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242348A (en) * | 2019-07-11 | 2019-09-17 | 福建六建集团有限公司 | A kind of tunnel fire protection system and its method of controlling security based on DTU |
-
2014
- 2014-07-11 CN CN201420384460.4U patent/CN203962042U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110242348A (en) * | 2019-07-11 | 2019-09-17 | 福建六建集团有限公司 | A kind of tunnel fire protection system and its method of controlling security based on DTU |
| CN110242348B (en) * | 2019-07-11 | 2024-02-27 | 福建六建集团有限公司 | Tunnel fire-fighting system based on DTU and safety control method thereof |
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