CN208122889U - A kind of driving face coal and gas prominent emergency system - Google Patents
A kind of driving face coal and gas prominent emergency system Download PDFInfo
- Publication number
- CN208122889U CN208122889U CN201820269306.0U CN201820269306U CN208122889U CN 208122889 U CN208122889 U CN 208122889U CN 201820269306 U CN201820269306 U CN 201820269306U CN 208122889 U CN208122889 U CN 208122889U
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- air door
- detection sensor
- station
- driving face
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- 239000003245 coal Substances 0.000 title claims abstract description 56
- 238000001514 detection method Methods 0.000 claims abstract description 54
- 238000004891 communication Methods 0.000 claims description 14
- 238000009423 ventilation Methods 0.000 claims description 12
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 10
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 5
- 239000001569 carbon dioxide Substances 0.000 claims description 5
- 230000005641 tunneling Effects 0.000 claims description 4
- 238000005259 measurement Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000002955 isolation Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 description 46
- 238000012545 processing Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 206010003497 Asphyxia Diseases 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 238000012790 confirmation Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000011435 rock Substances 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- GOLXNESZZPUPJE-UHFFFAOYSA-N spiromesifen Chemical compound CC1=CC(C)=CC(C)=C1C(C(O1)=O)=C(OC(=O)CC(C)(C)C)C11CCCC1 GOLXNESZZPUPJE-UHFFFAOYSA-N 0.000 description 1
- 238000003892 spreading Methods 0.000 description 1
- 230000007480 spreading Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a kind of driving face coal and gas prominent emergency system, including：An at least detection sensor for digging laneway is set, the Monitor Sub-Station of Less in full blast pressure air feed tunnel is set, and the emergency escape chamber of the digging laneway side is set, the emergency escape chamber is provided with the parallel digging laneway direction and the emergency escape chamber is closed the closing wall being isolated with the digging laneway, the at least one emergency air door that there is long-range control and site machinery to control two kinds of opening/shutting modes is provided on the closing wall, the input terminal of the detection sensor and the Monitor Sub-Station of Less communicates to connect, the control terminal of the output end of the Monitor Sub-Station of Less and the emergency air door communicates to connect.The utility model, which protrudes coal with gas (CO2) by detection sensor, to be detected, is confirmed, the emergency air door of emergency escape chamber can be automatically controlled when protruding by increasing emergency escape chamber, it is ensured that the reliability of forecast and site disposal.
Description
Technical field
The utility model relates to coal mine correlative technology fields, especially a kind of driving face coal and gas prominent emergency system
System.
Background technique
Coal and gas (CO2) protrusion are the special pouring forms of mine.Coal and gas (CO2) protrusion refer to underground mining mistake
Cheng Zhong, under the collective effect of crustal stress and gas, broken coal, rock and gas (CO2) from coal body or rock mass suddenly to adopting
The abnormal dynamic phenomenon that pick space is dished out.It causes great threat to Safety of Coal Mine Production.
Gas Disaster is the maximum disaster for influencing Safety of Coal Mine Production, accounts for 70% or more in coal mine major accident.And coal
It is a kind of extremely complex dynamic phenomenon in underground coal mine mining process with gas (CO2) protrusion, it is often accompanied by the fierce sound
With powerful kinetic energy, underground equipment can be destroyed, destroys mine ventilation system, roadway is made to be full of the ejecta of gas (CO2) and coal,
Personnel's asphyxia, coal stream can be caused to bury people, and Gas Outburst and fire incident can be caused, well is even resulted in and ruin people and die.
After driving face generation coal and gas (CO2) are prominent, more on-site personnels are death on the road of escape
On.Due to limited and field accident the feared state of mind of self-rescuer oxygen supply, although the hope of escape is close at hand, they stop
Paces.Moreover, for some mine systems, disaster after coal is protruded with gas (CO2), which occurs, for driving face to spread
The life security of more underground operators is threatened to each place of mine, and there is also various for the prominent processing in the later period
It is difficult.
Therefore, the existing disadvantage of the prominent processing of existing driving face is：
1, after driving face generation coal and gas (CO2) are prominent, the disaster alarm of no special project and live emergency processing are set
It applies, device；
2, after driving face generation coal and gas (CO2) are prominent, since working face compressed-air system may be destroyed by coal stream,
Personnel wear the time that self-rescuer is escaped and distance is very limited；
3, after driving face generation coal and gas (CO2) are prominent, without special Disaster control means, disaster can four Wujis
Fear spreads in underground, the life security of more personnel of threat；
4, after driving face generation coal and gas (CO2) are prominent, later period rescue and in-situ processing need firedamp drainage first
(CO2), because without special disaster response facility, device, gas (CO2) discharge personnel in operation process the moment by gas
(CO2) threat to suffocate.
Utility model content
Based on this, it is necessary to face disaster field personnel harm, calamity after prominent event occurs for existing headwork
Evil sprawling and the existing technical problem of later period prominent processing, provide a kind of driving face coal and gas prominent emergency system.
The utility model provides a kind of driving face coal and gas prominent emergency system, including：It is arranged in digging laneway
An at least detection sensor, be arranged in full blast pressure air feed tunnel Monitor Sub-Station of Less and be arranged in the digging laneway side
Emergency escape chamber, the emergency escape chamber be provided with the parallel digging laneway direction by the emergency escape chamber with
The digging laneway closes the closing wall of isolation, and at least one is provided on the closing wall has long-range control and live machine
Tool controls the emergency air door of two kinds of opening/shutting modes, the input terminal communication connection of the detection sensor and the Monitor Sub-Station of Less, institute
The control terminal of the output end and the emergency air door of stating Monitor Sub-Station of Less communicates to connect.
Further, the detection sensor include along the digging laneway tunneling direction set gradually at least 1
One detection sensor and at least one second detection sensor, first detection sensor are small at a distance from driving face
In second detection sensor at a distance from the driving face.
Further, first detection sensor include gas management sensor, carbon dioxide detection sensor, with
And first pressure detection sensor, second detection sensor include that second pressure detection sensor and wind speed measurement pass
Sensor.
Further, the emergency air door includes：Setting controlled on the closing wall emergency escape chamber and
The digging laneway connection or closed first emergency pedestrian's air door, setting control the emergency escape on the closing wall
Chamber is connected to the digging laneway or closed second emergency and is vertically arranged separation with the closing wall at pedestrian's air door
The driving air door of the digging laneway, the driving air door setting should walk rapidly in the first emergency pedestrian's air door and described second
Between customs and morals of the people door.
Further, the adjusting wind with the communication connection of the output end of the Monitor Sub-Station of Less is provided on the driving air door
Window.
Further, pressure ventilation pipe is provided in the emergency escape chamber.
Further, the pressure air lock with the communication connection of the output end of the Monitor Sub-Station of Less is provided on the pressure ventilation pipe
Valve.
Further, further include long-range cutoff instrument, the output end of the Monitor Sub-Station of Less by the long-range cutoff instrument with
The control terminal communication connection of the emergency air door.
It further, further include the ground maneuvers station communicated to connect with the output end of the Monitor Sub-Station of Less.
Further, the Monitor Sub-Station of Less uses two-way or the above power supply power supply of two-way.
The utility model, which protrudes coal with gas (CO2) by detection sensor, to be detected, is confirmed, emergency escape is increased
Chamber can automatically control the emergency air door of emergency escape chamber when protruding, it is ensured that forecast and site disposal it is reliable
Property.Meanwhile Monitor Sub-Station of Less setting is pressed air feed tunnel in full blast, it is ensured that in headwork by rationally designing by the utility model
Face coal itself is not destroyed after protruding with gas (CO2), provides reliable guarantee for the escape of disaster field personnel safety.
Detailed description of the invention
Fig. 1 is a kind of driving face coal and gas prominent emergency system of the utility model；
Fig. 2 is a kind of circuit connection diagram of driving face coal and gas prominent emergency system of the utility model；
Fig. 3 is the emergency escape chamber structural schematic diagram of an embodiment of the present invention；
Fig. 4 is ventilating system schematic diagram before the catastrophe of an embodiment of the present invention；
Fig. 5 is refuge taking route figure after the catastrophe of an embodiment of the present invention；
Fig. 6 is the catastrophe rear venting system schematic of an embodiment of the present invention.
Specific embodiment
The utility model is described in more detail in the following with reference to the drawings and specific embodiments.
As depicted in figs. 1 and 2, a kind of driving face coal and gas prominent emergency system of the utility model, including：Setting
Digging laneway 1 an at least detection sensor 2,3, the Monitor Sub-Station of Less 4 in full blast pressure air feed tunnel be set and be arranged in institute
The emergency escape chamber 5 of 1 side of digging laneway is stated, the emergency escape chamber 5 is provided with parallel 1 direction of digging laneway will
The emergency escape chamber 5 and the digging laneway 1 close the closing wall 51 being isolated, be provided on the closing wall 51 to
The few one emergency air door 6,7,8 that there is long-range control and site machinery to control two kinds of opening/shutting modes, the detection sensor 2,3 with
The input terminal of the Monitor Sub-Station of Less 4 communicates to connect, the control of the output end of the Monitor Sub-Station of Less 4 and the emergency air door 6,7,8
End communication connection.
Specifically, when underground coal mine driving face coal and gas (CO2) are prominent, detection sensor 2,3 is to monitoring
Substation 4 sends signal.After Monitor Sub-Station of Less 4 is connected to signal, emergency air door 6,7,8 is closed by remotely controlling.It is not buried by coal stream
The wearable self-rescuer of disaster field personnel withdrawn from tunnel, row opens air door of meeting an urgent need by site machinery control to after L distance,
Into emergency escape chamber.
The utility model, which protrudes coal with gas (CO2) by detection sensor, to be detected, is confirmed, emergency escape is increased
Chamber can automatically control the emergency air door of emergency escape chamber when protruding, it is ensured that forecast and site disposal it is reliable
Property.Meanwhile Monitor Sub-Station of Less setting is pressed air feed tunnel in full blast, it is ensured that in headwork by rationally designing by the utility model
Face coal itself is not destroyed after protruding with gas (CO2), provides reliable guarantee for the escape of disaster field personnel safety.
The detection sensor includes setting gradually along the tunneling direction of the digging laneway in one of the embodiments,
At least one first detection sensor 2 and at least one second detection sensor 3, first detection sensor 2 and heading driver
The distance for making face 9 is less than second detection sensor 3 at a distance from the driving face 9.
Two groups of detection sensors are arranged in the present embodiment, it is preferable that and the first detection sensor 2 is close to driving face 9, and second
Detection sensor 3 is arranged apart from driving face S location.When the first detection sensor 2 detects that coal and gas (CO2) are prominent
When, the first detection sensor 2 first transmits an alarm signal to substation, when disaster spreading is to away from working face S location, the second inspection
It surveys sensor 3 and transmits a prominent confirmation signal to Monitor Sub-Station of Less 4.After Monitor Sub-Station of Less 4 is connected to two signals, by remotely controlling
Close emergency air door 6,7,8.
First detection sensor 2 includes gas management sensor, carbon dioxide detection in one of the embodiments,
Sensor and first pressure detection sensor, second detection sensor 3 include second pressure detection sensor and
Wind speed measurement sensor.
As shown in figure 3, the emergency air door includes in one of the embodiments,：It is arranged on the closing wall 51
Control the emergency escape chamber 5 be connected to the digging laneway 1 or it is closed first emergency pedestrian's air door 6, be arranged described
Closing wall 51 on control the emergency escape chamber 5 be connected to the digging laneway 1 or it is closed second meet an urgent need pedestrian's air door
It 7 and is vertically arranged with the closing wall 51 and separates the driving air door 8 of the digging laneway 1, the setting of driving air door 8
Between first emergency pedestrian's air door 6 and the second emergency pedestrian's air door 7.
Two emergency pedestrian's air doors are arranged in the present embodiment, when coal occurring and gas (CO2) is prominent, are not buried by coal stream
The wearable self-rescuer of disaster field personnel is withdrawn from tunnel, enters emergency escape from first emergency pedestrian's air door 6 after row to L distance
Chamber 5, then from second emergency pedestrian's air door 7 withdraw from, finally withdraw from it is fresh distinguished and admirable to ground to main entry, so that personnel can obtain
It rescues.Since the setting of driving air door 8 is between first emergency pedestrian's air door 6 and the second emergency pedestrian's air door 7, thus will
Digging laneway 1 separates, the safety that guarantee personnel withdraw from from second emergency pedestrian's air door 7.
The output end communication link with the Monitor Sub-Station of Less 4 is provided on the driving air door 8 in one of the embodiments,
The regulation wind window 81 connect.
Regulation wind window is arranged in the present embodiment, so that personnel can be logical on ground when later period rescue or disaster field are cleared up
The ventilation section of regulation wind window on process control emergency driving air door too far, to control the volume of air supply of prominent development end, in turn
Ensure the personnel safety in gas (CO2) discharge operation process.The present embodiment is by rationally designing, so that in driving face coal
Expected convenience can be brought for the rescue and on-site cleanup work in later period after prominent with gas (CO2), ensure that the later period rescues work
The smooth expansion made.
Pressure ventilation pipe 52 is provided in the emergency escape chamber 5 in one of the embodiments,.
Pressure ventilation pipe 52 is arranged in the present embodiment, to be connected to compressed-air system, guarantees clear air in emergency escape chamber 5.
The output end communication link with the Monitor Sub-Station of Less 4 is provided on the pressure ventilation pipe 52 in one of the embodiments,
The pressure damper 53 connect.
Specifically, when underground coal mine driving face coal and gas (CO2) prominent, 4 one side of Monitor Sub-Station of Less is immediately
Emergency air door is closed immediately by remotely controlling, while opening the pressure damper 53 of emergency escape chamber 5.
It in one of the embodiments, further include long-range cutoff instrument 10, the output end of the Monitor Sub-Station of Less 4 passes through described remote
The control terminal of journey cutoff instrument 10 and the emergency air door 6,7,8 communicates to connect.
It in one of the embodiments, further include the ground maneuvers station with the communication connection of the output end of the Monitor Sub-Station of Less 4.
The Monitor Sub-Station of Less 4 uses two-way or the above power supply power supply of two-way in one of the embodiments,.
Specifically, Monitor Sub-Station of Less 4 is powered using main power source and stand-by power source, guarantees that power supply is reliable.
As the best embodiment of the utility model, a kind of driving face coal and gas prominent emergency system, including：Setting
In multiple first detection sensors 2 of digging laneway 1, multiple second detection sensors 3, the prison that full blast pressure air feed tunnel is arranged in
It surveys substation 4 and the emergency escape chamber 5 of 1 side of digging laneway is set, the emergency escape chamber 5 is provided with flat
Row 1 direction of digging laneway the emergency escape chamber 5 is closed into the closing wall 51 being isolated, institute with the digging laneway 1
State be provided on closing wall 51 at least one have long-range control and site machinery control two kinds of opening/shutting modes emergency air door 6,
7,8, the input terminal of the detection sensor 2,3 and the Monitor Sub-Station of Less 4 communicates to connect, and the output end of the Monitor Sub-Station of Less 4 is logical
The control terminal for crossing long-range cutoff instrument 10 and the emergency air door 6,7,8 communicates to connect；
The emergency air door includes：Setting controls the emergency escape chamber 5 and the pick on the closing wall 51
The emergency escape cave is controlled on the closing wall 51 into the connection of tunnel 1 or closed first emergency pedestrian's air door 6, setting
Room 5 is connected to the digging laneway 1 or closed second emergency and is vertically arranged pedestrian's air door 7 with the closing wall 51
Separate the driving air door 8 of the digging laneway 1, the setting of driving air door 8 is in first emergency pedestrian's air door 6 and described the
Between two emergency pedestrian's air doors 7, the tune with the communication connection of the output end of the Monitor Sub-Station of Less 4 is provided on the driving air door 8
Save air regulator；
It is provided with pressure ventilation pipe 52 in emergency escape chamber 5, the output end with the Monitor Sub-Station of Less 4 is provided on pressure ventilation pipe 52
The three-way solenoid valve 53 of communication connection.
A large amount of gas (CO2) are generated according to underground coal mine driving face coal and gas (CO2) are prominent, and with shock wave
The characteristics of, detection sensor includes four kinds of gas, carbon dioxide, pressure, wind speed sensors.
As shown in Figure 1, installing the first detection sensing including gas, carbon dioxide, pressure sensor in driving face
Device 2 is installing the second detection sensor 3 including wind speed, pressure sensor, complete in driving face S location tunnel
Monitor Sub-Station of Less 4 is installed in wind pressure air feed tunnel (not influenced by protrusion), welding system power supply 11 and ups power 12 on substation, monitoring
Device optimum decision system power supply enables ups power, it is ensured that sensor and substation have always when system power supply breaks down automatically
Stable power supply.
It is emphasized that the accuracy in order to highly ensure prominent information, false alarm is prevented, substation is only first connected to the
The alarm of one detection sensor, then be connected to the second detection sensor and alarm after obtaining prominent confirmation, just prominent information is transferred to
Ground maneuvers, while controlling emergency set starting.
It is emphasized that three-way solenoid valve 53 is installed in emergency escape chamber 5 in air line 52, work as driving face
After the emergency pedestrian's air door 6 of disaster first and the second emergency closing of pedestrian's air door 7 occurs, the three-way solenoid valve 53 of air line 52 is same
When automatically open and to 5 air feed of emergency escape chamber, oxygen supply.
As shown in figure 3, driving face, after tunneling certain progress, by design driving emergency escape chamber, which escapes
Raw chamber design is simple, without installing traditional various emergency sets, facility.After emergency escape chamber 5 tunnels, Yu Ping
Row roadway direction closes emergency escape chamber, and installs 2 sets of emergency pedestrian air doors 6,7 on closing wall 51.In driving lane
The a set of longitudinal emergency driving air door 8 of the track pitch position working face L+D construction.
It is emphasized that daily in emergency escape chamber forbid to stack any material, article etc., influence when preventing catastrophe
Personnel escape.
It is emphasized that emergency pedestrian's air door, emergency driving air door, emergency regulation wind window are irony self closing door,
Air-door opening-closing mode has long-range control, site machinery to control two kinds of opening/shutting modes.
It is emphasized that emergency pedestrian's air door, emergency driving air door are that power supply supplies twice for system power supply and ups power
Electricity, a preparation and a use.
It is emphasized that emergency pedestrian's air door be positive it is oppositely arranged, effectively prevent when personnel enter emergency pedestrian
Gas (CO2) gas is brought into together when air door I.
It is emphasized that as shown in figure 4, emergency pedestrian's air door 6,7, emergency driving air door 8 normally tunnels in working face
When be in " unlatching " state.As shown in figure 5, disaster field personnel escape after driving face coal and gas (CO2) prominent
Means of livelihood line is：The emergency emergency of 6 → emergency escape of pedestrian's air door chamber 5 → the second of driving face 9 → the first pedestrian's air door 7 → complete
13 → ground of wind pressure air feed tunnel.
As shown in fig. 6, after driving face protrudes, it must be first to heading driver before subsequent rescue and scene cleaning
Make the poly- gas (CO2) of area to be discharged.Personnel can be installed by remotely controlling in the remote control section on emergency driving air door 8
The ventilation section of air regulator, to carry out remote quantitative discharge to gas (CO2).Avoid traditional gas (CO2) discharge work
Personnel emit asphyxiation hazard and carry out Boiler pressure control to scene.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it should not be understood as limiting the scope of the patent of the utility model.It should be pointed out that for the common of this field
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of driving face coal and gas prominent emergency system, which is characterized in that including：Digging laneway is set at least
One detection sensor, the Monitor Sub-Station of Less that full blast pressure air feed tunnel is set and the emergency that the digging laneway side is set
Escape chamber, the emergency escape chamber are provided with the parallel digging laneway direction for the emergency escape chamber and the pick
Into the closing wall of tunnel closing isolation, at least one is provided on the closing wall has long-range control and site machinery control
The input terminal of the emergency air door of two kinds of opening/shutting modes, the detection sensor and the Monitor Sub-Station of Less communicates to connect, the monitoring
The control terminal of the output end of substation and the emergency air door communicates to connect.
2. driving face coal and gas prominent emergency system according to claim 1, which is characterized in that the detection passes
Sensor includes at least one first detection sensor and at least one second set gradually along the tunneling direction of the digging laneway
Detection sensor, first detection sensor are less than second detection sensor and the pick at a distance from driving face
Into the distance of working face.
3. driving face coal and gas prominent emergency system according to claim 2, which is characterized in that first inspection
Surveying sensor includes gas management sensor, carbon dioxide detection sensor and first pressure detection sensor, and described second
Detection sensor includes second pressure detection sensor and wind speed measurement sensor.
4. driving face coal and gas prominent emergency system according to claim 1, which is characterized in that described to answer abrupt wind
Door include：Setting controls the emergency escape chamber on the closing wall and is connected to the digging laneway or closed first
Emergency pedestrian's air door, setting control the emergency escape chamber on the closing wall and are connected to or close with the digging laneway
Second emergency pedestrian's air door and be vertically arranged with the closing wall and separate the driving air door of the digging laneway, it is described
Air door setting drive a vehicle between first emergency pedestrian's air door and the second emergency pedestrian's air door.
5. driving face coal and gas prominent emergency system according to claim 4, which is characterized in that the driving wind
The regulation wind window with the communication connection of the output end of the Monitor Sub-Station of Less is provided on door.
6. driving face coal and gas prominent emergency system according to claim 1, which is characterized in that the emergency is escaped
Pressure ventilation pipe is provided in raw chamber.
7. driving face coal and gas prominent emergency system according to claim 6, which is characterized in that the pressure ventilation pipe
On be provided with the output end of the Monitor Sub-Station of Less communication connection pressure damper.
8. described in any item driving face coal and gas prominent emergency systems according to claim 1~7, which is characterized in that
It further include long-range cutoff instrument, the control terminal that the output end of the Monitor Sub-Station of Less passes through the long-range cutoff instrument and the emergency air door
Communication connection.
9. described in any item driving face coal and gas prominent emergency systems according to claim 1~7, which is characterized in that
It further include the ground maneuvers station with the communication connection of the output end of the Monitor Sub-Station of Less.
10. described in any item driving face coal and gas prominent emergency systems according to claim 1~7, which is characterized in that
The Monitor Sub-Station of Less uses two-way or the above power supply power supply of two-way.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269306.0U CN208122889U (en) | 2018-02-26 | 2018-02-26 | A kind of driving face coal and gas prominent emergency system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820269306.0U CN208122889U (en) | 2018-02-26 | 2018-02-26 | A kind of driving face coal and gas prominent emergency system |
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| Publication Number | Publication Date |
|---|---|
| CN208122889U true CN208122889U (en) | 2018-11-20 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096456A (en) * | 2020-09-25 | 2020-12-18 | 淄博瑞安特自控设备有限公司 | Gas false alarm identification method based on coal mine safety monitoring networking system |
-
2018
- 2018-02-26 CN CN201820269306.0U patent/CN208122889U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096456A (en) * | 2020-09-25 | 2020-12-18 | 淄博瑞安特自控设备有限公司 | Gas false alarm identification method based on coal mine safety monitoring networking system |
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