CN104967093A - Power breaking control system - Google Patents
Power breaking control system Download PDFInfo
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- CN104967093A CN104967093A CN201510428886.4A CN201510428886A CN104967093A CN 104967093 A CN104967093 A CN 104967093A CN 201510428886 A CN201510428886 A CN 201510428886A CN 104967093 A CN104967093 A CN 104967093A
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- circuit breaker
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- switch
- circuit breaking
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Abstract
The invention provides a power breaking control system, which comprises a signal converter, a power breaking controller, at least one circuit breaker and at least one controlled switch, wherein the first end of the signal converter is electrically connected with a host/backup switch; the second end of the signal converter is electrically connected with the first end of the power breaking controller; the signal converter is used for sending a first power breaking signal to the power breaking controller; the second end of the power breaking controller is electrically connected with the at least one circuit breaker; the power breaking controller is used for controlling at least one circuit breaker according to an intrinsically-safe signal to enable each circuit breaker to break power of the controlled switch corresponding to the circuit breaker. As the power breaking controller can intelligently control the at least one circuit breaker according to the first power breaking signal, power breaking of at least one controlled switch is finally realized, reliability of wind electricity closed-cycle control is thus improved, and hidden safety dangers are thus reduced.
Description
Technical field
The embodiment of the present invention relates to down techniques, particularly relates to a kind of power-off control system.
Background technology
In field, colliery, usually need portable blower to realize the ventilation of underworkings, wherein portable blower is the ventilation blower of local area.And in order to improve the reliability that underworkings ventilates, usually main station and standby office two ventilating systems are provided with, wherein main station and standby score of the game do not include respective portable blower and power switch, and the power switch of main station and standby office accesses active and standby office diverter switch, can be realized the power switching of portable blower by active and standby office diverter switch.
In addition, usually can use " two close lock " at underworkings, i.e. driving face gas electric shutting and lock between air and electricity.Wherein gas electric shutting refers to when driving face gas density transfinites, sound and light alarm is controlled device power supply and automatic cut-out working face is met head on, it mainly sends power-off signal by outstation to circuit breaker, to make the controlled switch on circuit breaker control controlled device, finally realize the power-off of controlled device; Lock between air and electricity refer to when the portable blower in main station and standby office shut down or wind tube wind quantity lower than setting time, all devices power supply in automatic cut-out driving face, it mainly sends power-off signal by active and standby office diverter switch to circuit breaker, to make circuit breaker carry out power-off to controlled switch, namely realize the power-off of the controlled device at cut-off switch place.
In prior art, an active and standby office switch can only export a power-off signal, so circuit breaker can only control a controlled switch after receiving a power-off signal, and will realize cutting off multiple controlled switch, need multiple controlled switch series connection or be together in parallel, so this situation is easy to occur power-off mistake, causes electric situation of not breaking, and then reduce the reliability of lock between air and electricity, form certain potential safety hazard.
Summary of the invention
The invention provides a kind of power-off control system, thus improve the reliability of lock between air and electricity, and then reduce potential safety hazard.
First aspect, the embodiment of the present invention provides a kind of power-off control system, comprising: signal converter, circuit breaking controller, at least one circuit breaker and at least one controlled switch;
First end and the active-standby switch switch of described signal converter are electrically connected, second end of described signal converter and the first end of described circuit breaking controller are electrically connected, described signal converter is used for sending the first power-off signal to described circuit breaking controller, and described first power-off signal is intrinsic safety signal;
The second end and at least one circuit breaker described of described circuit breaking controller are electrically connected, described circuit breaking controller, for according to described intrinsic safety signal controlling circuit breaker described at least one, with the controlled switch circuit breaking making each described circuit breaker corresponding to described circuit breaker;
Wherein, described active-standby switch switch, for switching between main station and standby office, described main station comprises at least one portable blower, described standby office comprises at least one portable blower, and described circuit breaker and described controlled switch are electrically connected, and described circuit breaker and described controlled switch one_to_one corresponding.
In conjunction with first aspect, may in execution mode in the first of first aspect, described signal converter also for: the second power-off signal that active-standby switch switch sends is converted to the first power-off signal, and wherein, described second power-off signal is non-intrinsic safety signal.
May execution mode in conjunction with first aspect or the first, may in execution mode at the second of first aspect, described circuit breaking controller specifically for: determine to receive the input contact that described intrinsic safety signal uses; According to the corresponding relation of described input contact and at least one output contact, control the circuit breaker that each described output contact is corresponding, with the controlled switch circuit breaking making each described circuit breaker corresponding to described circuit breaker; Wherein, described corresponding relation is one to one or the relation of one-to-many.
In conjunction with first aspect or the first possibility execution mode, in the third possibility execution mode of first aspect, also comprise: outstation; Described outstation is for generation of the 3rd power-off signal; The first end of described circuit breaking controller is also electrically connected with described outstation, described circuit breaking controller, also for, control circuit breaker described at least one according to described 3rd power-off signal, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker.
In conjunction with the third possibility execution mode of first aspect, in the 4th kind of possibility execution mode of first aspect, described circuit breaking controller, specifically for: determine the input contact that described 3rd power-off signal of reception uses; According to the corresponding relation of described input contact and at least one output contact, control the circuit breaker that each described output contact is corresponding, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker; Wherein, described corresponding relation is one to one or the relation of one-to-many.
In conjunction with first aspect, in the 5th kind of possibility execution mode of first aspect, described circuit breaking controller is programmable logic controller (PLC).
The invention provides a kind of power-off control system, comprising: signal converter, circuit breaking controller, at least one circuit breaker and at least one controlled switch, wherein, first end and the active-standby switch switch of signal converter are electrically connected, second end of signal converter and the first end of circuit breaking controller are electrically connected, signal converter is used for sending the first power-off signal to circuit breaking controller, second end and at least one circuit breaker of circuit breaking controller are electrically connected, circuit breaking controller, for according at least one circuit breaker of intrinsic safety signal controlling, with the controlled switch circuit breaking making each circuit breaker corresponding to this circuit breaker, finally realize at least one controlled switch circuit breaking, thus improve the reliability of lock between air and electricity, and then reduction potential safety hazard.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, introduce doing one to the accompanying drawing used required in embodiment or description of the prior art simply below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of power-off control system that Fig. 1 provides for one embodiment of the invention;
The schematic diagram of a kind of active and standby office switched system that Fig. 2 provides for one embodiment of the invention;
The schematic diagram of a kind of active and standby office switched system that Fig. 3 provides for another embodiment of the present invention.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of a kind of power-off control system that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, this system comprises: signal converter 101, circuit breaking controller 102, at least one circuit breaker 103 and at least one controlled switch 104; Wherein, first end and the active-standby switch switch of signal converter 101 are electrically connected, second end of signal converter 101 and the first end of circuit breaking controller 102 are electrically connected, and signal converter 101 is for sending the first power-off signal to circuit breaking controller 102, and the first power-off signal is intrinsic safety signal.Intrinsic safety signal refers to the signal of essential safety, such as: the signal energy of transmission is not enough to igniting gas etc.
Second end and at least one circuit breaker 103 of circuit breaking controller 102 are electrically connected, circuit breaking controller 102, for according at least one circuit breaker 103 of intrinsic safety signal controlling, to make each circuit breaker 103 to controlled switch 104 power-off of this circuit breaker 103 correspondence.
The schematic diagram of a kind of active and standby office switched system that Fig. 2 provides for one embodiment of the invention, wherein in Fig. 2 to comprise three circuit breakers 103 and three controlled switches 104, composition graphs 1, active and standby office switched system also comprises: active-standby switch switch 105, for switching between main station and standby office, main station comprises at least one portable blower, and standby office comprises at least one portable blower, circuit breaker 103 and controlled switch 104 are electrically connected, and circuit breaker 103 and controlled switch 104 one_to_one corresponding.Wherein active-standby switch switch 105 one end is connected with main station switch 106, standby office switch 107 respectively, and the other end is connected with signal converter 101.
Particularly, when active and standby office switches, the portable blower in main station and standby office may be caused to shut down or wind tube wind quantity lower than the situation of setting, in this case, need to carry out lock between air and electricity, namely automatically all devices power supply in driving face is cut off, wherein lock between air and electricity process comprises: signal converter sends the first power-off signal to circuit breaking controller, then, circuit breaking controller controls at least one circuit breaker according to the first power-off signal, such as: possible circuit breaking controller can control a circuit breaker, also multiple circuit breaker may be controlled, each circuit breaker is connected with a controlled switch, circuit breaking controller is by controlling circuit breaker, thus the power-off realized the controlled switch of correspondence.
The embodiment of the present invention provides a kind of power-off control system, comprising: signal converter, circuit breaking controller, at least one circuit breaker and at least one controlled switch, wherein, first end and the active-standby switch switch of signal converter are electrically connected, second end of signal converter and the first end of circuit breaking controller are electrically connected, signal converter is used for sending the first power-off signal to circuit breaking controller, second end and at least one circuit breaker of circuit breaking controller are electrically connected, circuit breaking controller, for according at least one circuit breaker of intrinsic safety signal controlling, with the controlled switch circuit breaking making each circuit breaker corresponding to this circuit breaker, the system that the embodiment of the present invention provides is without the need to connecting multiple controlled switch or be together in parallel, but circuit breaking controller can carry out Based Intelligent Control according to first power-off signal at least one circuit breaker, finally realize at least one controlled switch circuit breaking, thus improve the reliability of lock between air and electricity, and then reduction potential safety hazard.
Alternatively, signal converter also for: by active-standby switch switch send the second power-off signal be converted to the first power-off signal, wherein, described second power-off signal is non-intrinsic safety signal.
Further, circuit breaking controller specifically for: determine to receive the input contact that described intrinsic safety signal uses; According to the corresponding relation of described input contact and at least one output contact, control the circuit breaker that each described output contact is corresponding, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker; Wherein, described corresponding relation is one to one or the relation of one-to-many.
Such as: as shown in Figure 2, circuit breaking controller determines that the input contact receiving this case signal is X0, and input contact X0 and output contact Y0, Y1 and Y2 is corresponding, the corresponding circuit breaker of each output contact, the corresponding controlled switch of each circuit breaker, therefore, circuit breaking controller can control circuit breaker corresponding to output contact, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker.
Further, gas electric shutting is also the locking that underworkings often uses, the system that the embodiment of the present invention provides also comprises: outstation, the schematic diagram of a kind of active and standby office switched system that Fig. 3 provides for another embodiment of the present invention, wherein in Fig. 3 to comprise three circuit breakers 103 and three controlled switches 104, as shown in Figure 3, the difference of it and system shown in Figure 2 is, the power-off control system of Fig. 3 is except comprising signal converter 101, circuit breaking controller 102, outside at least one circuit breaker 103 and at least one controlled switch 104, also comprise: outstation 108, described outstation 108 is for generation of the 3rd power-off signal, the first end of described circuit breaking controller 102 is also electrically connected with outstation 108, therefore, circuit breaking controller 102 also for, control at least one circuit breaker 103 according to the 3rd power-off signal, to make each circuit breaker 103 to controlled switch 104 power-off of this circuit breaker 103 correspondence.It should be noted that, the outstation in the embodiment of the present invention is used for realizing gas electric shutting.
Alternatively, circuit breaking controller specifically for: determine to receive the input contact that uses of described 3rd power-off signal; According to the corresponding relation of described input contact and at least one output contact, control the circuit breaker that each described output contact is corresponding, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker; Wherein, described corresponding relation is one to one or the relation of one-to-many.Such as: as shown in Figure 3, outstation outputs three the 3rd power-off signals, corresponding input contact is X1 respectively, X2 and X3, these three output contacts inputting contact corresponding are respectively Y0, Y1 and Y2, certainly, also can be a corresponding multiple output contact in input contact, the corresponding circuit breaker of each output contact, the corresponding controlled switch of each circuit breaker, therefore, circuit breaking controller can control circuit breaker corresponding to output contact, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker.
It should be noted that, the circuit breaking controller in the present invention is programmable logic controller (PLC), and can certainly have the controller of any controlling functions, the present invention does not limit this.
Last it is noted that above each embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to foregoing embodiments to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (6)
1. a power-off control system, is characterized in that, comprising: signal converter, circuit breaking controller, at least one circuit breaker and at least one controlled switch;
First end and the active-standby switch switch of described signal converter are electrically connected, second end of described signal converter and the first end of described circuit breaking controller are electrically connected, described signal converter is used for sending the first power-off signal to described circuit breaking controller, and described first power-off signal is intrinsic safety signal;
The second end and at least one circuit breaker described of described circuit breaking controller are electrically connected, described circuit breaking controller, for according to described intrinsic safety signal controlling circuit breaker described at least one, with the controlled switch circuit breaking making each described circuit breaker corresponding to described circuit breaker;
Wherein, described active-standby switch switch, for switching between main station and standby office, described main station comprises at least one portable blower, described standby office comprises at least one portable blower, and described circuit breaker and described controlled switch are electrically connected, and described circuit breaker and described controlled switch one_to_one corresponding.
2. system according to claim 1, is characterized in that, described signal converter also for:
The second power-off signal that active-standby switch switch sends is converted to the first power-off signal, and wherein, described second power-off signal is non-intrinsic safety signal.
3. system according to claim 1 and 2, is characterized in that, described circuit breaking controller specifically for:
Determine to receive the input contact that described intrinsic safety signal uses;
According to the corresponding relation of described input contact and at least one output contact, control the circuit breaker that each described output contact is corresponding, with the controlled switch circuit breaking making each described circuit breaker corresponding to described circuit breaker;
Wherein, described corresponding relation is one to one or the relation of one-to-many.
4. system according to claim 1 and 2, is characterized in that, also comprises: outstation;
Described outstation is for generation of the 3rd power-off signal;
The first end of described circuit breaking controller is also electrically connected with described outstation, described circuit breaking controller, also for, control circuit breaker described at least one according to described 3rd power-off signal, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker.
5. system according to claim 4, is characterized in that, described circuit breaking controller, specifically for:
Determine the input contact that described 3rd power-off signal of reception uses;
According to the corresponding relation of described input contact and at least one output contact, control the circuit breaker that each described output contact is corresponding, with the controlled switch circuit breaking making each described circuit breaker corresponding to this circuit breaker;
Wherein, described corresponding relation is one to one or the relation of one-to-many.
6. system according to claim 1, is characterized in that, described circuit breaking controller is programmable logic controller (PLC).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428886.4A CN104967093A (en) | 2015-07-17 | 2015-07-17 | Power breaking control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510428886.4A CN104967093A (en) | 2015-07-17 | 2015-07-17 | Power breaking control system |
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| Publication Number | Publication Date |
|---|---|
| CN104967093A true CN104967093A (en) | 2015-10-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510428886.4A Pending CN104967093A (en) | 2015-07-17 | 2015-07-17 | Power breaking control system |
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| CN (1) | CN104967093A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111520191A (en) * | 2020-04-30 | 2020-08-11 | 北京信息职业技术学院 | Testing device and testing method for digital coal mine safety monitoring system |
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| CN2687343Y (en) * | 2004-03-12 | 2005-03-23 | 抚顺煤矿安全仪器总厂 | Pneumatic-electric gas comprehensive protection device |
| CN201574958U (en) * | 2009-06-09 | 2010-09-08 | 黑龙江龙煤矿业集团有限责任公司七台河分公司 | Double-fan control system |
| CN201851152U (en) * | 2010-11-23 | 2011-06-01 | 山西晋城无烟煤矿业集团有限责任公司 | Wind power locking device |
| KR20140044160A (en) * | 2012-10-04 | 2014-04-14 | 대우조선해양 주식회사 | Offshore structure and non-explosion equipment power isolation method thereof |
| CN204357487U (en) * | 2014-12-22 | 2015-05-27 | 四川达竹煤电（集团）有限责任公司铁山南煤矿 | Mine wind-powered electricity generation and gas electric shutting control system |
| CN205016990U (en) * | 2015-07-17 | 2016-02-03 | 淮南矿业(集团)有限责任公司 | Electrical shutoff control system |
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2015
- 2015-07-17 CN CN201510428886.4A patent/CN104967093A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2687343Y (en) * | 2004-03-12 | 2005-03-23 | 抚顺煤矿安全仪器总厂 | Pneumatic-electric gas comprehensive protection device |
| CN201574958U (en) * | 2009-06-09 | 2010-09-08 | 黑龙江龙煤矿业集团有限责任公司七台河分公司 | Double-fan control system |
| CN201851152U (en) * | 2010-11-23 | 2011-06-01 | 山西晋城无烟煤矿业集团有限责任公司 | Wind power locking device |
| KR20140044160A (en) * | 2012-10-04 | 2014-04-14 | 대우조선해양 주식회사 | Offshore structure and non-explosion equipment power isolation method thereof |
| CN204357487U (en) * | 2014-12-22 | 2015-05-27 | 四川达竹煤电（集团）有限责任公司铁山南煤矿 | Mine wind-powered electricity generation and gas electric shutting control system |
| CN205016990U (en) * | 2015-07-17 | 2016-02-03 | 淮南矿业(集团)有限责任公司 | Electrical shutoff control system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111520191A (en) * | 2020-04-30 | 2020-08-11 | 北京信息职业技术学院 | Testing device and testing method for digital coal mine safety monitoring system |
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Application publication date: 20151007 |
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