CN208858407U - Tunnel gas containing coal and ventilation condition remote real time monitoring device - Google Patents
Tunnel gas containing coal and ventilation condition remote real time monitoring device Download PDFInfo
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- CN208858407U CN208858407U CN201821559380.2U CN201821559380U CN208858407U CN 208858407 U CN208858407 U CN 208858407U CN 201821559380 U CN201821559380 U CN 201821559380U CN 208858407 U CN208858407 U CN 208858407U
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Abstract
The utility model discloses a kind of tunnel gas containing coal and ventilation condition remote real time monitoring devices, it monitors host and 5 Monitor Sub-Station of Less is connected by data port, gas pressure Monitor Sub-Station of Less connects gas pressure sensor, gas concentration monitoring substation connects gas concentration sensor, ventilation monitoring substation connects wind speed wind direction sensor, the connection of construction power source Monitor Sub-Station of Less switchs the switch unit formed by power switch, water source switch and pressure wind, and sound-light alarm Monitor Sub-Station of Less connects combined aural and visual alarm.Four gas pressure sensors for being located at tunnel wall drilling hole bottom and three gas concentration sensors for being located at tunnel wall vault form gas monitor unit；Three wind speed wind direction sensors for being located at tunnel wall vault form wind speed and direction monitoring unit；Three power switch, water source switch and the pressure wind switch composition switch units for being located at tunnel wall；One combined aural and visual alarm for being located at tunnel wall side arch springing forms acousto-optic warning unit.
Description
Technical field
The utility model belongs to the security fields of the actual measurement of the parameter of tunnel gas containing coal and constructing tunnel and operational management,
It is related to one kind tunnel gas containing coal and ventilation condition remote real time monitoring device.
Background technique
The case where in China, constructing tunnel is more and more frequent, and coal is encountered in constructing tunnel is also more and more, and tunnel is caused to be applied
Work gas accident is continuously increased.For this purpose, the real time measure of coal-bed gas parameter and ventilation parameter etc. is carried out to tunnel section containing coal, with
And early warning, alarm and cutting construction power source (electricity, water, pressure wind) of the parameter variation range etc. are particularly important.
Once encounter coal during constructing tunnel, the pernicious gases such as gas will be volatilized in coal, its is caused all to apply
Work sequence, technique, material, or even equipment etc. are many-sided will all to occur biggish change；Since technological means is backward, monitoring
The detection of the scarcities such as equipment, present Gas explosion burns and ventilation parameter etc. is all artificial circling measurment, and data are also manual record,
Especially under conditions of tunnel big cross section, inconvenience is brought to artificial detection, bring main problem is to check precision by ring
Border condition, human factor are affected, can not continuously monitor in real time the changing rule of gas pressure and gas density so as to
In the management of work progress, security risk is left to site operation.During constructing tunnel, ventilation parameter (wind speed, wind direction)
It is also the important parameter in construction, when wind speed of divulging information is less than normal or bigger than normal, easily causes methane accumulation accident, or endanger ring
Border, this is always ignored problem during constructing tunnel containing coal.As for tunnel gas containing coal and ventilation parameter variation
It is monitored, scene is substantially without relevant device；When Gas explosion burns and ventilation parameter exception, without early warning, alarm and cutting work
Make the construction power sources such as the power supply, water source and pressure wind in region；Personnel in the case where no early warning, do not cut again by construction power source
Break and work on, staff once has act of violating regulations at work, it will leads to the weight such as gas explosion and Gas Outburst
The generation of major break down, cause casualties, tunnel destroy and construction equipment damage, bring major hidden danger to safety in production.Therefore,
During constructing tunnel containing coal, it is necessary to reinforce the real-time monitoring to tunnel section containing coal gas situation and ventilation situation, when there is this
When a little parameters occur abnormal, the emergency measures such as early warning, alarm and cutting all working place construction power source can be taken, when extensive
Construction power source (electricity, water, pressure wind) etc. can be restored when multiple normal automatically again, it is ensured that construction personnel, equipment, material and entire tunnel
The production safety of road environment.
Utility model content
In order to achieve the above object, the utility model provides one kind tunnel gas containing coal and ventilation condition remote real time monitoring
Device, remote real time monitoring working space gas pressure, gas density and ventilation wind speed, wind direction, can be in gas pressure, gas
Early warning, alarm and cutting construction power source are carried out when concentration and ventilation wind speed, wind direction exception, solve current tunnel gas containing coal
It is too late without early warning, alarm and cutting construction power source when monitoring manual, Gas explosion burns and abnormal ventilation test with ventilation condition
When etc. initiations safety accident problem, the safety of effective guarantee constructing tunnel.
In order to solve the above technical problems, the utility model is the technical scheme adopted is that tunnel gas containing coal and ventilation shape
Condition remote real time monitoring device includes monitoring host, data port, gas monitor unit, wind speed and direction monitoring unit, switch list
Member and acousto-optic alert detecting unit；The monitoring host is through data port and gas pressure Monitor Sub-Station of Less, gas concentration monitoring point
It stands, ventilation monitoring substation, construction power source Monitor Sub-Station of Less are connected with acousto-optic alert detecting substation；The gas monitor unit is by position
In the four gas pressure sensors and three gas concentration sensor compositions of same perpendicular；In the tunnel tunnel wall of section containing coal
Circumference segmental arc uniformly dissipates setting drilling, and four gas pressure sensors are uniformly distributed in drilling hole bottom, and three gas densities pass
Sensor uniform vertical is fixed on the tunnel tunnel wall vault of section containing coal, and is located at gas concentration sensor and the tunnel wall top of two sides
Distance≤the 300mm in portion and tunnel wall side wall distance >=200mm；Drilling runs through tunnel wall, and foot of hole is coal body；The wind
The wind speed wind direction sensor that fast wind direction monitoring unit is located at same perpendicular by three forms, and three wind speed wind direction sensors are equal
It is even to be fixed on the tunnel tunnel wall vault of section containing coal；The switch unit is made of power switch, water source switch and pressure wind switch；
First group of switch unit is located in the tunnel wall of tunnel tunnel face, remaining is set in tunnel internal tunnel wall；Combined aural and visual alarm
It is mounted at the arch springing of tunnel wall side of tunnel section containing coal；The adjacent gas monitor unit interval is 5 meters, the adjacent wind
Be divided into 20 meters between fast wind direction monitoring unit, wind speed and direction monitoring unit with away from nearest gas monitor unit at a distance of 2.5 meters,
It is divided into 100 meters between the adjacent combined aural and visual alarm, 1000 meters are divided between the adjacent switch unit, the gas pressure sensor
It is connect by data line with gas pressure Monitor Sub-Station of Less, the gas concentration sensor is dense by data line and gas
Spend Monitor Sub-Station of Less connection；The wind speed wind direction sensor is connect by data line with ventilation monitoring substation；The power supply is opened
It closes, water source switch and pressure wind switch are connect by data line with construction power source Monitor Sub-Station of Less respectively；The sound-light alarm
Device is connect by data line with sound-light alarm Monitor Sub-Station of Less.
Further, the monitoring host is equipped with the printer for printing Gas explosion burns and ventilation parameter.
Further, the gas pressure sensor is PY204 pressure gauge, and range is 0~10MPa, precision is ±
0.2%, the response time≤5ms.
Further, the gas concentration sensor is national standard GJ4/40 coal mine high-low concentration methane sensor, range
It is low dense: (0.00~10.00) %CH4, highly concentrated: (10.0~100.0) %CH4。
Further, wind speed wind direction sensor is made of velocity sensor, wind transducer and sensor stand, and speed passes
Sensor and wind transducer are fixed in tunnel wall by sensor stand.
Further, the data port is KJ328-J mining information coffret.
Further, the gas pressure Monitor Sub-Station of Less, gas concentration monitoring substation, ventilation monitoring substation, construction power
Source Monitor Sub-Station of Less and acousto-optic alert detecting substation are KJ328-F mining monitoring substations.
Further, the combined aural and visual alarm is TLHD2L dual horn sound-light alarm.
Further, the power switch is KBZ-1000/1140/660 flame-proof type vacuum feed switch；It opens at the water source
Pass is the automatic water proof switch of ZDKS-2；The pressure wind switch is that ZDKF-1 is switched from dynamic pressure air control system.
Further, the velocity sensor range is 0~20m/s, and error range is ± 0.5m/s, has automatic adjustment
Zero point function and automatic adjustment sensitivity function；The wind transducer range is 0~360 °, and precision is ± 3 °；The sensing
Device bracket is made of sleeve and screw.
The utility model has the beneficial effects that tunnel gas containing coal and ventilation condition remote real time monitoring device, gas pressure
The Gas explosion burns and ventilation parameter of force snesor, gas concentration sensor and wind speed wind direction sensor monitoring tunnel section containing coal, benefit
It is monitored and is controlled with monitoring host；When gas, ventilation parameter exception, real-time early warning, alarm and cutting construction power source,
The real-time monitoring monitoring of the parameter of tunnel gas containing coal and ventilation parameter is implemented in full.Solves the current parameter of tunnel gas containing coal
When monitoring manual, Gas explosion burns and ventilation parameter exception with ventilation parameter etc. not without early warning, alarm and cutting construction power source
The safety accident problem for waiting initiations in time, passes through gas situation and ventilation condition in monitoring host supervision tunnel, timely early warning, report
Warn and control disconnection, closure, locking and the unlock of each construction power source switch, it is ensured that construction personnel, equipment, material and tunnel
The production safety of environment.
Detailed description of the invention
Fig. 1 is the tunnel gas containing coal and ventilation condition remote real time monitoring apparatus structure schematic diagram of the utility model；
Fig. 2 is the tunnel gas containing coal and ventilation condition remote real time monitoring device longitudinal sectional drawing of the utility model；
Fig. 3 is I-I transverse cross-sectional view of tunnel gas containing coal and ventilation condition remote real time monitoring device of the utility model；
Fig. 4 is II-II horizontal section of tunnel gas containing coal and ventilation condition remote real time monitoring device of the utility model
Figure；
Fig. 5 is III-III horizontal section of tunnel gas containing coal and ventilation condition remote real time monitoring device of the utility model
Figure.
In figure, 1. monitoring hosts, 2. data port, 3. printers, 4. gas pressure Monitor Sub-Station of Less, 5. gas concentration monitorings
Substation, 6. ventilation monitoring substations, 7. construction power source Monitor Sub-Station of Less, 8. sound-light alarm Monitor Sub-Station of Less, 9. gas pressure sensors,
10. gas concentration sensor, 11. wind speed wind direction sensors, 12. power switches, 13. water source switch, 14. pressure wind switches, 15. sound
Light crossing-signal, 16. tunnels, 17. tunnel walls, 18. country rocks, 19. coal bodies, 20. working faces, 21. data lines, 22. drillings.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative labor
Every other embodiment obtained under the premise of dynamic, fall within the protection scope of the utility model.
Tunnel gas containing coal and ventilation condition remote real time monitoring device, as shown in Figure 1, including monitoring host 1, data terminal
Mouth 2, gas monitor unit, wind speed and direction monitoring unit, switch unit and acousto-optic alert detecting unit；Host 1 is monitored through data
Port 2 and gas pressure Monitor Sub-Station of Less 4, gas concentration monitoring substation 5, ventilation monitoring substation 6, construction power source Monitor Sub-Station of Less 7
It is connected with acousto-optic alert detecting substation 8；As shown in Fig. 2~Fig. 5, tunnel wall 17, coal body 19 are equipped between tunnel 16 and country rock 18
In country rock 18, monitoring device is arranged in the subsequent tunnel 16 of working face 20 in the utility model.Gas monitor unit is by position
In four gas pressure sensors 9 and three compositions of gas concentration sensors 10 in same perpendicular；Wherein, four gas
Pressure sensor 9 is uniformly distributed in the 22 bottom hole coal body of drilling of 16 dome portions of section containing coal of tunnel, three gas concentration sensors
10 uniform verticals are fixed on 16 dome portions of section containing coal of tunnel, and be located at the gas concentration sensors 10 of the two sides of tunnel arch foot containing coal with
Tunnel wall 17 is more than or equal to 200mm apart from less than or equal to 300mm, with 17 side wall of tunnel wall distance；Drilling 22 runs through tunnel wall 17,
Its bottom is coal body 19；Wind speed and direction monitoring unit is by be located in the same vertical plane 11 groups of three wind speed wind direction sensors
At three wind speed wind direction sensors 11 are evenly distributed on 17 dome portions of tunnel wall；Switch unit is by power switch 12, water source switch
13 form with pressure wind switch 14, and first group of switch unit is arranged in the tunnel wall 17 of 16 tunnel face of tunnel, remaining is set to tunnel
On 16 internal tunnel wall 17 of road；Combined aural and visual alarm 15 is mounted at the arch springing of 16 tunnel wall of section containing coal of tunnel, 17 side；Due to every
The measurement range of a gas monitor unit can achieve 2.5 meters, and the measurement range of each wind speed and direction monitoring unit can achieve
10 meters, effective transmission data area of switch unit is 500 meters, so it is 5 meters that adjacent gas monitor unit interval, which is arranged, it is adjacent
Be divided into 20 meters between wind speed and direction monitoring unit, wind speed and direction monitoring unit with away from nearest gas monitor unit at a distance of 2.5
Rice, adjacent switch unit interval are set as 1000 meters；Furthermore, it is contemplated that downhole noise is larger, the sound of combined aural and visual alarm 15 is passed
It broadcasts effective range and is selected as 50 meters, so being divided into 100 meters between adjacent combined aural and visual alarm 15.Gas pressure Monitor Sub-Station of Less 4 passes through number
Gas pressure sensor 9 is connected according to transmission line 21, gas concentration monitoring substation 5 connects gas density by data line 21 and passes
Sensor 10, ventilation monitoring substation 6 connect wind speed wind direction sensor 11 by data line 21, power source Monitor Sub-Station of Less 7 of constructing
Power switch 12, water source switch 13 and pressure wind switch 14, sound-light alarm Monitor Sub-Station of Less 8, which are connected, by data line 21 passes through number
Combined aural and visual alarm 15 is connected according to transmission line 21.It monitors host 1 and is equipped with printer 3, the gas acquired for printing monitoring host 1
Parameter and ventilation parameter.
The range of gas pressure sensor 9 is 0~10MPa, and precision is ± 0.2%, and operating temperature is -20 °~85 °, wet
Spend 0~95%RH, response time≤5ms, stability≤± 0.15%FS/.
The range of gas concentration sensor 10 are as follows: low dense: (0.00~10.00) %CH4, it is highly concentrated: (10.0~100.0) %
CH4。
Velocity sensor monitors 16 wind speed of section containing coal of tunnel, and range is 0~20m/s, and error range is ± 0.5m/s, work
Environment temperature meets local temperature condition, has the function of to automatically adjust zero point and automatically adjusts sensitivity function, stability is good；Wind
Wind direction is monitored to sensor, range is 0~360 °, and precision is ± 3 °, and operating ambient temperature meets local temperature condition；Sensor
Bracket is made of sleeve and screw, plays fixed function.
In view of gas bulk density is lighter than air, gas is tended to accumulate at the top of 16 section containing coal of tunnel, so respectively in tunnel
A gas concentration sensor 10, gas pressure sensor 9 and wind speed and direction is equipped at 16 vaults of section containing coal and both sides arch springing to pass
Sensor 11, it is also contemplated that the problem of 16 coal seam of section containing coal of tunnel may be subjected to Geological Structure Effect, therefore in 16 section containing coal of tunnel
Top is equipped with 2 gas pressure sensors 9, and the gas pressure, gas at monitoring tunnel containing coal variation section methane accumulation place are dense
Degree and ventilation wind speed and direction.
Five Monitor Sub-Station of Less have two-way communication and working status indication function, cumulative amount acquisition and display function, and being used for will
Each sensor output signal is passed to data port 2, receives the control command that data port 2 transmits, and control combined aural and visual alarm
15 alarms and switch unit are respectively closed the switch and are disconnected；The hardware configuration of each Monitor Sub-Station of Less includes: central controller, data acquisition
And analysis processing circuit, host computer communication interface.
The model of data port 2 is KJ328-J mining information coffret, is easy to implement data electronization, data transmission
High-speeding；The model of Monitor Sub-Station of Less is KJ328-F mining monitoring substation, so that the compatibility of equipment is good；Gas pressure sensing
The model of device 9 is PY204 water proof type pressure sensor, and measurement error is small；The model of gas concentration sensor 10 is national standard GJ4/
40 coal mine high-low concentration methane sensors, effective measuring area is wide, precision is high；The model of air velocity transducer is DP-FS485,
Measuring accuracy height, fast response time；The model of combined aural and visual alarm 15 is the industrial combined aural and visual alarm of TLHD2L double horn, can be connected
It is continuous monitoring, small in size, light weight, easy to operate；The model of power switch 12 is the feedback of KBZ-1000/1140/660 explosion-proof vacuum
Electric switch, reliable performance effectively prevent " vacation power-off " phenomenon；The model for pressing wind switch 14 is that ZDKF-1 is opened from dynamic pressure air control system
It closes, easily uses, is easy to maintain；The model of water source switch 13 is the automatic water control switch of ZDKS-2, consumes low, strong shock resistance.
Monitoring host 1 is connected by data line 21 with each Monitor Sub-Station of Less, is acquired 16 section containing coal of tunnel in real time and was constructed
Journey Gas explosion burns and ventilation parameter, and acquisition data are stored, data collection interval is every 5 minutes primary, realizes tunnel 16
The real-time monitoring of section containing coal work progress Gas explosion burns and ventilation parameter.When Gas explosion burns and ventilation parameter exception, i.e. parameter
When reaching limits value, monitoring host 1 makes decisions, and sends a command to each Monitor Sub-Station of Less by data line 21, and then control
Combined aural and visual alarm 15 processed is alarmed, switch unit disconnects, and realizes abnormity early warning, alarm and cutting construction power source, in order to avoid exception thing
Therefore occur.
0.55MPa, gas density are reached by the gas pressure value that gas pressure Monitor Sub-Station of Less 4 acquires in monitoring host 1
The gas concentration that Monitor Sub-Station of Less 5 acquires reaches 0.5%CH4Or ventilation monitoring substation 6 acquire wind speed be lower than 0.25m/s when,
It monitors host 1 and 15 luminous and sounding type of combined aural and visual alarm is controlled by sound-light alarm Monitor Sub-Station of Less 8, carry out early warning；It is logical in monitoring host 1
The gas that the gas pressure value for crossing the acquisition of gas pressure Monitor Sub-Station of Less 4 reaches 0.74MPa, gas concentration monitoring substation 5 acquires is dense
Angle value reaches 1%CH4Or the wind speed that ventilation monitoring substation 6 acquires is monitored lower than 0.25m/s or when being higher than 12m/s, change of the wind
Host 1 is controlled in 15 luminous and sounding type early warning of combined aural and visual alarm, alarm and cutting tunnel 16 by sound-light alarm Monitor Sub-Station of Less 8 to be owned
Switch unit is simultaneously latched, and is stopped work and is waited gas drawing station；Pass through the gas pressure that gas pressure Monitor Sub-Station of Less 4 acquires in monitoring host 1
Force value is lower than 1%CH lower than the gas concentration that 0.74MPa, gas concentration monitoring substation 5 acquire4Or ventilation monitoring substation 6 is adopted
When the wind speed of collection returns normal between 0.25m/s and 12m/s, wind direction, monitoring host 1 passes through construction power source Monitor Sub-Station of Less 7, into
Row automatic unlocking, and restore power source of constructing.
The utility model by monitoring host 1, carry out gas pressure and gas density abnormity early warning, alarm and cutting electricity,
The real-time monitoring monitoring of tunnel gas containing coal and ventilation condition has been implemented in full in the control of the construction power sources such as water, pressure wind.It solves
Current tunnel 16 gas data monitoring is manual；When Gas explosion burns and ventilation parameter exception, by real-time early warning, alarm and cutting
The problem of electricity, water, pressure wind etc. construct power source not in time, cause safety accident；By monitoring the control of host 1, accomplish correlation
The locking and unlock of equipment, it is ensured that construction personnel, 16 environment of equipment, material and tunnel production safety.
The above is only the preferred embodiment of the utility model only, is not intended to limit the protection model of the utility model
It encloses.Any modification, equivalent substitution, improvement and etc. made within the spirit and principle of the present invention, are all contained in this reality
With in novel protection scope.
Claims (10)
1. tunnel gas containing coal and ventilation condition remote real time monitoring device, which is characterized in that including monitoring host (1), data
Port (2), gas monitor unit, wind speed and direction monitoring unit, switch unit and acousto-optic alert detecting unit；
The monitoring host (1) is through data port (2) and gas pressure Monitor Sub-Station of Less (4), gas concentration monitoring substation (5), logical
Wind Monitor Sub-Station of Less (6), construction power source Monitor Sub-Station of Less (7) and acousto-optic alert detecting substation (8) connection；
The gas monitor unit is passed by the four gas pressure sensors (9) and three gas densities for being located at same perpendicular
Sensor (10) composition；Arc section uniformly dissipates setting drilling (22), four gas above tunnel (16) tunnel wall of section containing coal (17)
Pressure sensor (9) is uniformly distributed in drilling (22) bottom hole, and three gas concentration sensor (10) uniform verticals are fixed on tunnel
(16) on the tunnel wall of section containing coal (17) vault, and be located at two sides gas concentration sensor (10) and tunnel wall (17) at the top of away from
From≤300mm, with a distance from tunnel wall (17) side wall >=200mm；(22) are drilled through tunnel wall (17), drilling (22) bottom is coal
Body (19)；
The wind speed wind direction sensor (11) that the wind speed and direction monitoring unit is located at same perpendicular by three forms, three wind
Fast wind transducer (11) is uniformly fixed on tunnel (16) tunnel wall of section containing coal (17) vault；
The switch unit is made of power switch (12), water source switch (13) and pressure wind switch (14)；First group of switch unit
In the tunnel wall (17) of tunnel (16) tunnel face, remaining is set on tunnel (16) internal tunnel wall (17)；Sound-light alarm
Device (15) is mounted at the arch springing of tunnel wall (17) side of tunnel (16) section containing coal；
The adjacent gas monitor unit interval is 5 meters, is divided into 20 meters between the adjacent wind speed and direction monitoring unit, wind speed and direction
Monitoring unit is divided into 100 between 2.5 meters, the adjacent combined aural and visual alarm (15) with away from nearest gas monitor unit
Meter, 1000 meters are divided between the adjacent switch unit, the gas pressure sensor (9) passes through data line (21) and gas
Pressure monitoring substation (4) connection, the gas concentration sensor (10) pass through data line (21) and gas concentration monitoring point
Stand (5) connection；The wind speed wind direction sensor (11) is connect by data line (21) with ventilation monitoring substation (6)；It is described
Power switch (12), water source switch (13) and pressure wind switch (14) pass through data line (21) and construction power source monitoring respectively
Substation (7) connection；The combined aural and visual alarm (15) is connect by data line (21) with sound-light alarm Monitor Sub-Station of Less (8).
2. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that institute
Monitoring host (1) is stated equipped with the printer (3) for printing Gas explosion burns and ventilation parameter.
3. tunnel gas containing coal according to claim 1 or 2 and ventilation condition remote real time monitoring device, feature exist
In, the gas pressure sensor (9) is PY204 pressure gauge, and range is 0~10MPa, and precision is ± 0.2%, the response time≤
5ms。
4. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that institute
Stating gas concentration sensor (10) is national standard GJ4/40 coal mine high-low concentration methane sensor, and range is low dense: (0.00~
10.00) %CH4, highly concentrated: (10.0~100.0) %CH4。
5. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that every
A wind speed wind direction sensor (11) is made of velocity sensor, wind transducer and sensor stand, velocity sensor and wind direction
Sensor is fixed on tunnel wall (17) by sensor stand.
6. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that institute
Stating data port (2) is KJ328-J mining information coffret.
7. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that institute
State gas pressure Monitor Sub-Station of Less (4), gas concentration monitoring substation (5), ventilation monitoring substation (6), construction power source Monitor Sub-Station of Less
(7) and acousto-optic alert detecting substation (8) is KJ328-F mining monitoring substation.
8. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that institute
Stating combined aural and visual alarm (15) is TLHD2L dual horn sound-light alarm.
9. tunnel gas containing coal according to claim 1 and ventilation condition remote real time monitoring device, which is characterized in that institute
Stating power switch (12) is KBZ-1000/1140/660 flame-proof type vacuum feed switch；The water source switch (13) is ZDKS-2
Automatic water proof switch；The pressure wind switch (14) is that ZDKF-1 is switched from dynamic pressure air control system.
10. tunnel gas containing coal according to claim 5 and ventilation condition remote real time monitoring device, which is characterized in that
The velocity sensor range is 0~20m/s, and error range is ± 0.5m/s, has the function of to automatically adjust zero point and adjust automatically
Save sensitivity function；The wind transducer range is 0~360 °, and precision is ± 3 °；The sensor stand is by sleeve and spiral shell
Nail composition.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559380.2U CN208858407U (en) | 2018-09-25 | 2018-09-25 | Tunnel gas containing coal and ventilation condition remote real time monitoring device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559380.2U CN208858407U (en) | 2018-09-25 | 2018-09-25 | Tunnel gas containing coal and ventilation condition remote real time monitoring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208858407U true CN208858407U (en) | 2019-05-14 |
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ID=66419039
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026158A (en) * | 2018-09-25 | 2018-12-18 | 湖南科技大学 | Tunnel gas containing coal and ventilation condition remote real time monitoring device |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109026158A (en) * | 2018-09-25 | 2018-12-18 | 湖南科技大学 | Tunnel gas containing coal and ventilation condition remote real time monitoring device |
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