CN114087013A - Intelligent fire protection device for tunnel - Google Patents
Intelligent fire protection device for tunnel Download PDFInfo
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- CN114087013A CN114087013A CN202111375167.2A CN202111375167A CN114087013A CN 114087013 A CN114087013 A CN 114087013A CN 202111375167 A CN202111375167 A CN 202111375167A CN 114087013 A CN114087013 A CN 114087013A
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- 230000007246 mechanism Effects 0.000 claims abstract description 178
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 156
- 238000005507 spraying Methods 0.000 claims abstract description 56
- 239000000523 sample Substances 0.000 claims abstract description 35
- 239000003595 mist Substances 0.000 claims abstract description 5
- 238000001514 detection method Methods 0.000 claims description 34
- 238000004804 winding Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000010304 firing Methods 0.000 abstract description 10
- 238000012544 monitoring process Methods 0.000 abstract description 6
- 239000007921 spray Substances 0.000 description 10
- 230000009471 action Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 238000005096 rolling process Methods 0.000 description 5
- 238000007789 sealing Methods 0.000 description 4
- 239000008400 supply water Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000009412 basement excavation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F5/00—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires
- E21F5/02—Means or methods for preventing, binding, depositing, or removing dust; Preventing explosions or fires by wetting or spraying
- E21F5/04—Spraying barriers
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F17/00—Methods or devices for use in mines or tunnels, not covered elsewhere
- E21F17/18—Special adaptations of signalling or alarm devices
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- Life Sciences & Earth Sciences (AREA)
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- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to the technical field of tunnel fire protection, and discloses an intelligent fire protection device for a tunnel, which comprises a controller, a hoisting support and a sliding rail, wherein a longitudinal moving mechanism, a transverse moving mechanism and a spraying mechanism are arranged on the inner side of the sliding rail, the controller is used for identifying an area easy to fire and controlling the spraying mechanism to move to the area easy to fire, and the spraying mechanism is used for spraying high-pressure water mist to cool the area easy to fire. Through a plurality of test probe, carry out real-time temperature monitoring to each inside region in tunnel, and judge each regional risk of firing through the controller, and the inside vertical movement mechanism and the lateral shifting mechanism that set up of controller control slip track, drive spraying mechanism removes to easily the region of firing, the spraying mechanism who sets up lateral shifting mechanism bottom removes to easily the region top of firing, in order to carry out accurate mist cooling to easily the region of firing, in time reduce the regional temperature of easily firing, reduce the risk of firing in the tunnel.
Description
Technical Field
The invention relates to the technical field of tunnel fire protection, in particular to an intelligent fire protection device for a tunnel.
Background
In recent years, with the development of tunnel excavation technology, the building length of the tunnel is longer and longer, and the transportation trip of people is greatly facilitated. However, the highway tunnel is usually far away from the city where people live, once a fire occurs, it is difficult for the fire rescue personnel to quickly arrive at the site, and most of the ordinary drivers and conductors near the fire point do not use the fire protection facilities in the tunnel, so that the gold time for fighting fire at the initial stage of the fire is wasted. Therefore, a tunnel monitoring system is usually arranged in a long tunnel or an extra-long tunnel, so that the fire-fighting system is linked to carry out fire-fighting linkage treatment on an ignition point while monitoring ventilation, illumination and driving conditions in the tunnel.
But common fire control linked system only can realize reporting to the police etc. simply controlling to the condition of a fire etc. is difficult to in time carry out urgent fire control to the ignition point and handles, leads to the condition of a fire to delay easily to because the inside fire control of tunnel arranges that there are limits such as length, be difficult to put out a fire to the ignition point far away and handle, be difficult to carry out the fire control to whole tunnel and cover. And before the fire happens, the heat accumulated in the tunnel is difficult to be reduced by a common fire-fighting linkage system, and the possible fire is difficult to be prevented.
An effective solution to the problems in the related art has not been proposed yet.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the intelligent fireproof device for the tunnel, which has the advantages of timely fire response, accurate searching of the area easy to fire, capability of carrying out advanced cooling treatment on the area easy to fire and the like, and solves the problems that the whole tunnel is difficult to cover for fire protection and the fire is difficult to prevent.
(II) technical scheme
In order to solve the technical problems that the whole tunnel is difficult to be covered in a fire protection way and the fire is difficult to be prevented, the invention provides the following technical scheme: an intelligent fire protection device for a tunnel comprises a controller, a hoisting support and a sliding track, wherein the hoisting support is fixedly arranged at the top of the tunnel, the sliding track is hoisted below the hoisting support, a plurality of connecting cross beams are fixedly arranged at the top of the hoisting support, a plurality of detection probes are uniformly arranged at the bottom ends of the connecting cross beams, the detection probes are used for detecting the temperature of each region in the tunnel and transmitting the temperature information of each region in the tunnel to the controller; a longitudinal moving mechanism, a transverse moving mechanism and a spraying mechanism are arranged on the inner side of the sliding rail; the longitudinal moving mechanism is used for driving the transverse moving mechanism and the longitudinal movement of the spraying mechanism, and the transverse moving mechanism is used for driving the transverse movement of the spraying mechanism; the controller is used for identifying an easily-ignited area according to the temperature information of each area in the tunnel, and the controller controls the longitudinal moving mechanism and the transverse moving mechanism to move the spraying mechanism to the easily-ignited area; a water supply mechanism is arranged on the outer side of the sliding track and used for supplying water to the spraying mechanism through the longitudinal moving mechanism and the transverse moving mechanism; the spraying mechanism is used for spraying high-pressure water mist to cool the area which is easy to ignite.
Preferably, infrared sensors are arranged in the detection probes, the infrared sensors are used for detecting the real-time temperature of the area in front of the detection probes, and the detection probes transmit the real-time temperature of the area in front of the detection probes to the controller; the controller receives real-time temperature information of each region detected by a plurality of detection probes in the tunnel, analyzes and processes the real-time temperature information of each region, judges whether the corresponding region has a fire risk according to the real-time temperature information of each region, and identifies the region easy to fire.
Preferably, the longitudinal moving mechanism comprises a longitudinal moving frame, a driving wheel and a driven wheel are arranged at two ends of the longitudinal moving frame, and the driving wheel and the driven wheel are embedded into the sliding rail; and a driving motor is arranged in the longitudinal moving frame, an output shaft of the driving motor is in power connection with the driving wheel, and the driving motor is used for driving the longitudinal moving mechanism to axially move along the sliding track.
Preferably, the lateral moving mechanism comprises a lateral moving frame and a lateral driving assembly; the lateral moving frame is arranged in the longitudinal moving frame, and can move along the sliding grooves under the driving of the lateral driving assembly.
Preferably, the spraying mechanism is fixed lateral shifting puts up lower surface central authorities, spraying mechanism includes electric telescopic handle and a plurality of atomizer, the electric telescopic handle stiff end with it is fixed between the lateral shifting frame, electric telescopic handle removes the end and is used for driving atomizer and goes up and down.
Preferably, the longitudinal moving mechanism further comprises a water taking mechanism, the water taking mechanism is arranged in the center of one side of the longitudinal moving frame, which is close to the water supply mechanism, and the water taking mechanism is used for communicating with the water supply mechanism to take water; a water delivery pipe is arranged at the top end of the longitudinal moving frame and wound on the winding machine, and the winding machine is used for winding and unwinding the water delivery pipe according to the position of the transverse moving mechanism on the longitudinal moving mechanism; the top end of the transverse driving assembly is provided with a range extending pump, a water delivery blind groove is formed in the transverse moving frame, and the water delivery blind groove is communicated with the spraying mechanism; one end of the water conveying pipe is communicated with the water taking mechanism, the other end of the water conveying pipe is communicated with the stroke-increasing pump, and the stroke-increasing pump is used for pressurizing water in the water conveying pipe and conveying the water into the water conveying hidden groove.
Preferably, the water supply mechanism comprises a main water supply pipe and a plurality of pressure pumps, a plurality of water supply branch pipes are arranged on one side of the main water supply pipe, one ends of the water supply branch pipes, far away from the main water supply pipe, extend into the sliding rail, and water supply valves are arranged at one ends of the water supply branch pipes, located in the sliding rail.
Preferably, the water supply valve includes a valve body, a stationary cartridge, and a movable cartridge; the fixed valve core is fixed with the valve body, and the movable valve core is connected with the fixed valve core through a spring; a plurality of first communicating ports are formed in the outer side of the fixed valve core, a sealing plate is arranged at the top end of the movable valve core, a plurality of second communicating ports are formed in the sealing plate, the cross section of each second communicating port is a fan ring, and the minimum inner diameter of each second communicating port is larger than the inner diameter of an opening of the valve body.
Preferably, water intaking mechanism is including fixed outer tube and flexible inner tube, the flexible inner tube outside is provided with electric putter, electric putter is used for the drive flexible of flexible inner tube, flexible inner tube is used for stretching into the feed valve carries out the water intaking.
(III) advantageous effects
Compared with the prior art, the invention provides an intelligent fire protection device for a tunnel, which has the following beneficial effects:
1. this kind of intelligent firebreak device is used in tunnel, through controller control, the inside driving motor start of longitudinal movement mechanism, driving motor drive action wheel rotates, make the longitudinal movement frame and the transverse movement mechanism and the spraying mechanism that erect on the longitudinal movement frame remove jointly, it removes to the regional vertical position top along the slip track that easily fires to drive spraying mechanism, and the water intaking mechanism with longitudinal movement frame fixes a position to near the position of the water supply branch pipe, and through controller control, the inside transverse driving subassembly of transverse movement mechanism drives whole transverse movement mechanism at the inside transverse movement of sliding groove, the spraying mechanism that sets up transverse movement mechanism bottom removes to the regional top of easily firing, carry out accurate spray cooling to the region of easily firing, in time, reduce the regional temperature of easily firing, reduce the risk of firing in the tunnel.
2. The intelligent fire protection device for the tunnel comprises a plurality of detection probes, a controller, a longitudinal moving mechanism and a transverse moving mechanism, wherein the detection probes are used for monitoring the real-time temperature of a detection area corresponding to the detection probes, the temperature information of each area is transmitted to the controller in real time, the controller judges the fire risk of each area in the tunnel according to the real-time temperature of each area, when a certain area is judged to be an easily-fired area, the controller controls the longitudinal moving mechanism and the transverse moving mechanism which are arranged in a sliding track, drives the spraying mechanism to move to the easily-fired area, and carries out spray cooling on the easily-fired area so as to prevent the high temperature of the easily-fired area from easily causing tunnel fire, guarantee the fire safety in the tunnel, and when the spray cooling is carried out, the temperature of the easily-fired area is detected in real time through the detection probes, and when the temperature of the easily-fired area is still larger than a preset critical threshold value, the controller sends out signals to give an alarm, and the controller prompts fire fighting response to avoid generating larger-scale harm.
3. This kind of intelligent firebreak device is used in tunnel, when need not to supply water, break away from between activity case and the flexible inner tube, activity case receives the effect of spring, the closing plate is hugged closely on the opening inner wall of valve body, make a plurality of second intercommunication mouths that set up on the closing plate sealed by the valve body, thereby make the feed water valve closed, guarantee when need not to supply water, water among the water supply mechanism can not get into inside the slip track through the feed water valve, when reducing the water wasting of resources, prevent that water from gathering together at the slip track and causing the inside wet-slip of slip track, cause the influence to the action wheel of longitudinal movement mechanism and follow the driving wheel, thereby improve the removal accuracy nature of controller control longitudinal movement mechanism, guarantee that spraying mechanism can accurately move to easily the area of catching fire.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic perspective view of a portion of the present invention;
FIG. 3 is a schematic perspective view of the longitudinal movement mechanism, the transverse movement mechanism and the spraying mechanism of the present invention;
FIG. 4 is a schematic perspective view of the longitudinal movement mechanism of the present invention;
FIG. 5 is a schematic perspective view of the lateral shifting mechanism and the spraying mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of the lateral movement mechanism and the spraying mechanism of the present invention;
FIG. 7 is an exploded view of the lateral movement mechanism, the spraying mechanism and the water supply mechanism of the present invention;
FIG. 8 is an enlarged view of portion A of FIG. 7 in accordance with the present invention;
FIG. 9 is a schematic cross-sectional view of the water supply valve of the present invention;
fig. 10 is a schematic perspective view of the water intake mechanism of the present invention.
In the figure: 1. hoisting a support; 11. connecting the cross beam; 12. detecting a probe; 2. a sliding track; 3. a longitudinal movement mechanism; 31. a longitudinal moving frame; 32. a driving wheel; 33. a driven wheel; 34. a sliding groove; 35. a water delivery pipe; 4. a lateral movement mechanism; 41. a transverse moving frame; 42. a lateral drive assembly; 43. a range extending pump; 44. a water conveying blind groove; 5. a spraying mechanism; 51. an electric telescopic rod; 52. an atomizing spray head; 6. a water supply mechanism; 61. a main water supply pipe; 62. a pressure pump; 63. a water supply branch pipe; 64. a water supply valve; 641. a valve body; 642. fixing the valve core; 643. a movable valve core; 644. a spring; 645. a first communication port; 646. a closing plate; 647. a second communication port; 7. a water taking mechanism; 71. fixing the outer tube; 72. an inner telescopic pipe; 73. an electric push rod; 8. and (7) a winding machine.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As described in the background of the invention, the present application provides an intelligent fire protection device for a tunnel, which solves the above problems.
Referring to fig. 1-10, an intelligent fire protection device for a tunnel includes a controller, a hoisting support 1 and a sliding rail 2, wherein the hoisting support 1 is fixedly arranged at the top of the tunnel, the sliding rail 2 is hoisted below the hoisting support 1, the top end of the hoisting support 1 is fixedly provided with a plurality of connecting beams 11, the bottom ends of the connecting beams 11 are uniformly provided with a plurality of detection probes 12, and the detection probes 12 are used for detecting the temperature of each region inside the tunnel and transmitting the temperature information of each region inside the tunnel to the controller; a longitudinal moving mechanism 3, a transverse moving mechanism 4 and a spraying mechanism 5 are arranged on the inner side of the sliding track 2; the longitudinal moving mechanism 3 is used for driving the transverse moving mechanism 4 and the spraying mechanism 5 to move longitudinally, and the transverse moving mechanism 4 is used for driving the spraying mechanism 5 to move transversely; the controller is used for identifying the easy-to-fire area according to the temperature information of each area in the tunnel, and controlling the longitudinal moving mechanism 3 and the transverse moving mechanism 4 to move the spraying mechanism 5 to the easy-to-fire area; a water supply mechanism 6 is arranged on the outer side of the sliding track 2, and the water supply mechanism 6 is used for supplying water to the spraying mechanism 5 through the longitudinal moving mechanism 3 and the transverse moving mechanism 4; the spraying mechanism 5 is used for spraying high-pressure water mist to cool the area which is easy to ignite.
Further, referring to fig. 1-2, an infrared sensor is disposed inside each of the detecting probes 12, and the infrared sensor is used for detecting the real-time temperature of the area in front of the detecting probe 12, and the detecting probe 12 transmits the real-time temperature of the area in front of the detecting probe 12 to the controller; the controller receives real-time temperature information of each area detected by a plurality of detection probes 12 in the tunnel, analyzes and processes the real-time temperature information of each area, judges whether the corresponding area has a fire risk according to the real-time temperature information of each area, and identifies the area easy to fire.
In actual use, a plurality of detection probes 12 are arranged, so that the detection coverage area of the plurality of detection probes 12 can cover the whole tunnel, each detection probe 12 is responsible for directionally monitoring the temperature condition of the corresponding detection area, the detection area is subjected to temperature detection through an infrared sensor in the detection probe 12, temperature information is transmitted to a controller in real time, the controller receives the temperature information of each area and judges the relation between the temperature information and a preset critical threshold value, when the temperature of a certain area is greater than the preset critical threshold value, the area is judged to be an easily-ignited area, the controller controls a longitudinal moving mechanism 3 and a transverse moving mechanism 4 which are arranged in a sliding track 2, drives a spraying mechanism 5 to reach the easily-ignited area, supplies water to the spraying mechanism 5 through a water supply mechanism 6, carries out spray cooling on the easily-ignited area, and detects the temperature of the easily-ignited area through the detection probes 12, when the temperature of the easy-to-fire area is still larger than a preset critical threshold value after the easy-to-fire area is subjected to spray cooling, the controller sends a signal to alarm.
Further, referring to fig. 3-5, the longitudinal moving mechanism 3 includes a longitudinal moving frame 31, two ends of the longitudinal moving frame 31 are respectively provided with a driving wheel 32 and a driven wheel 33, and the driving wheel 32 and the driven wheel 33 are respectively embedded into the sliding track 2; the driving motor is arranged in the longitudinal moving frame 31, an output shaft of the driving motor is in power connection with the driving wheel 32, and the driving motor is used for driving the longitudinal moving mechanism 3 to axially move along the sliding track 2.
The transverse moving mechanism 4 comprises a transverse moving frame 41 and a transverse driving assembly 42; the longitudinal moving frame 31 is symmetrically provided with sliding slots 34 on both sides, the transverse moving frame 41 is arranged inside the longitudinal moving frame 31, and the transverse moving frame 41 can move along the sliding slots 34 under the driving of the transverse driving assembly 42.
In practice, the transverse drive assembly 42 includes, but is not limited to, a motor-driven roller, a combination retractor and traction cable, and the like.
The spraying mechanism 5 is fixed in the center of the lower surface of the transverse moving frame 41, the spraying mechanism 5 comprises an electric telescopic rod 51 and a plurality of atomizing nozzles 52, the fixed end of the electric telescopic rod 51 is fixed with the transverse moving frame 41, and the moving end of the electric telescopic rod 51 is used for driving the atomizing nozzles 52 to ascend and descend.
Further, referring to fig. 3 and fig. 6-7, the longitudinal moving mechanism 3 further includes a water taking mechanism 7, the water taking mechanism 7 is disposed at the center of one side of the longitudinal moving frame 31 close to the water supply mechanism 6, and the water taking mechanism 7 is used for communicating with the water supply mechanism 6 to take water; the top end of the longitudinal moving frame 31 is provided with a water delivery pipe 35, the water delivery pipe 35 is wound on the winding machine 8, and the winding machine 8 is used for winding and unwinding the water delivery pipe 35 according to the position of the transverse moving mechanism 4 on the longitudinal moving mechanism 3; the top end of the transverse driving component 42 is provided with a range extending pump 43, the inside of the transverse moving frame 41 is provided with a water conveying hidden groove 44, and the water conveying hidden groove 44 is communicated with the spraying mechanism 5; one end of the water delivery pipe 35 is communicated with the water taking mechanism 7, the other end of the water delivery pipe 35 is communicated with the range-increasing pump 43, and the range-increasing pump 43 is used for pressurizing water in the water delivery pipe 35 and delivering the water into the water delivery hidden groove 44.
During the in-service use, rolling machine 8 carries out the operation of rolling and unreeling according to lateral shifting mechanism 4 apart from rolling machine 8's position for the length that raceway 35 exposes rolling machine 8 keeps unanimous with the distance between lateral shifting mechanism 4 and rolling machine 8, guarantees to increase the stable water supply of journey pump 43 through raceway 35.
Further, referring to fig. 8-10, the water supply mechanism 6 includes a main water supply pipe 61 and a plurality of pressure pumps 62, a plurality of water supply branch pipes 63 are disposed on one side of the main water supply pipe 61, one ends of the water supply branch pipes 63 far away from the main water supply pipe 61 extend into the sliding rail 2, and one ends of the water supply branch pipes 63 located inside the sliding rail 2 are disposed with water supply valves 64.
The water supply valve 64 includes a valve body 641, a stationary spool 642, and a movable spool 643; the fixed valve core 642 is fixed with the valve body 641, and the movable valve core 643 is connected with the fixed valve core 642 through a spring 644; a plurality of first communicating holes 645 are formed in the outer side of the fixed valve core 642, a sealing plate 646 is arranged at the top end of the movable valve core 643, a plurality of second communicating holes 647 are formed in the sealing plate 646, the cross section of each second communicating hole 647 is a fan ring, and the minimum inner diameter of each second communicating hole is larger than the inner diameter of the opening of the valve body 641.
The water taking mechanism 7 comprises a fixed outer pipe 71 and a telescopic inner pipe 72, wherein an electric push rod 73 is arranged outside the telescopic inner pipe 72, the electric push rod 73 is used for driving the telescopic inner pipe 72 to stretch, and the telescopic inner pipe 72 is used for stretching into the water supply valve 64 to take water.
The working principle is as follows: when the device is used, the detection areas corresponding to the detection probes 12 are subjected to real-time temperature monitoring through the detection probes 12, the temperature information of each area is transmitted to the controller in real time, the controller judges the relation between the temperature information of each area and a preset critical threshold value after receiving the temperature information of each area, when the temperature of a certain area is larger than the preset critical threshold value, the area is judged to be an easily-ignited area, and the controller controls the longitudinal moving mechanism 3 and the transverse moving mechanism 4 which are arranged in the sliding rail 2 to drive the spraying mechanism 5 to move to the easily-ignited area.
Wherein, through the control of the controller, the driving motor inside the longitudinal moving mechanism 3 is started, the driving motor drives the driving wheel 32 to rotate, through the rotation of the driving wheel 32 and the driven action of the driven wheel 33, the longitudinal moving frame 31 and the transverse moving mechanism 4 and the spraying mechanism 5 erected on the longitudinal moving frame 31 move together, the spraying mechanism 5 is driven to move to the upper part of the longitudinal position of the easy-to-fire area along the sliding track 2, the water taking mechanism 7 of the longitudinal moving frame 31 is positioned to the position of the nearby water supply branch pipe 63, and through the control of the controller, the transverse driving component 42 inside the transverse moving mechanism 4 drives the whole transverse moving mechanism 4 to transversely move inside the sliding groove 34, the spraying mechanism 5 arranged at the bottom end of the transverse moving mechanism 4 is moved to the upper part of the easy-to-fire area, so as to carry out accurate spray cooling on the easy-to-fire area, and reduce the temperature of the easy-to-fire area in time, the fire risk in the tunnel is reduced.
After the spraying mechanism 5 moves to the position above the area easy to ignite, the controller controls the pressurizing pump 62 of the water supply mechanism 6 to supply water to the main water supply pipe 61, so that the water is filled in the main water supply pipe 61 and each water supply branch pipe 63, and the telescopic inner pipe 72 of the water taking mechanism 7 extends out under the pushing of the electric push rod 73, so that the telescopic inner pipe 72 extends out of the fixed outer pipe 71 and extends into the water supply valve 64 under the action of the electric push rod 73;
the telescopic inner tube 72 is acted by the force of the electric push rod 73, the closing plate 646 of the movable valve core 643 is pushed to move towards one side of the fixed valve core 642 under the action of the spring 644, so that inside the water supply valve 64, the second communicating port 647 is opened by the closing action of the valve body 641, water in the water supply branch tube 63 passes through the water supply valve 64 through the first communicating port 645 and the second communicating port 647 and then enters the telescopic inner tube 72 through the opening at the top end of the telescopic inner tube 72, water is taken from the water supply mechanism 6 through the water taking mechanism 7, the water enters the water conveying tube 35 through the water taking mechanism 7 and is conveyed into the water conveying blind groove 44 through the water conveying tube 35, the water is pressurized through the stroke increasing pump 43 when entering the water conveying blind groove 44, the driving force for atomizing and spraying the water from the plurality of atomizing nozzles 52 through the water conveying blind groove 44 is provided, and the atomizing effect of the water is ensured.
Supply water back to spraying mechanism 5 through water supply mechanism 6, carry out spray cooling to this easily fire area territory, in order to prevent that this easily fire area's high temperature from leading to the emergence of tunnel fire easily, guarantee the inside fire control safety in tunnel, and when carrying out spray cooling, through the regional temperature of this easily fire area of detecting probe 12 real-time detection, when this easily fire area's temperature is still greater than predetermined critical threshold value, controller signals reports to the police, it is not good to prevent spray cooling's effect, report to the police in order to remind and carry out the targeted fire control reaction, avoid producing bigger harm.
When the easy-to-fire area is not detected, the controller controls the telescopic inner tube 72 of the water taking mechanism 7 to retract into the fixed outer tube 71 under the driving of the electric push rod 73, after the movable valve core 643 is separated from the telescopic inner tube 72, the movable spool 643 is acted upon by a spring 644, the closing plate 646 is pressed against the inner wall of the opening of the valve body 641, so that the plurality of second communication ports 647 provided in the closing plate 646 are closed by the valve body 641, thereby closing the water supply valve 64, ensuring that water in the water supply mechanism 6 can not enter the inside of the sliding track 2 through the water supply valve 64 when water supply is not needed, reducing water resource waste, simultaneously preventing water from accumulating in the sliding track 2 to cause wet sliding in the sliding track 2, the driving wheel 32 and the driven wheel 33 of the longitudinal moving mechanism 3 are influenced, so that the moving accuracy of the longitudinal moving mechanism 3 controlled by the controller is improved, and the spraying mechanism 5 can be accurately moved to an area easy to catch fire.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides an intelligent fire protection device is used in tunnel, includes controller, hoisting support (1) and slip track (2), hoisting support (1) is fixed to be set up at the tunnel top, slip track (2) hoist and mount are in hoisting support (1) below, its characterized in that:
the top end of the hoisting support (1) is fixedly provided with a plurality of connecting beams (11), the bottom ends of the connecting beams (11) are uniformly provided with a plurality of detection probes (12), and the detection probes (12) are used for detecting the temperature of each region in the tunnel and transmitting the temperature information of each region in the tunnel to the controller;
a longitudinal moving mechanism (3), a transverse moving mechanism (4) and a spraying mechanism (5) are arranged on the inner side of the sliding track (2); the longitudinal moving mechanism (3) is used for driving the longitudinal movement of the transverse moving mechanism (4) and the spraying mechanism (5), and the transverse moving mechanism (4) is used for driving the transverse movement of the spraying mechanism (5);
the controller is used for identifying an easily-ignited area according to the temperature information of each area in the tunnel, and the controller controls the longitudinal moving mechanism (3) and the transverse moving mechanism (4) to move the spraying mechanism (5) to the easily-ignited area;
a water supply mechanism (6) is arranged on the outer side of the sliding track (2), and the water supply mechanism (6) is used for supplying water to the spraying mechanism (5) through the longitudinal moving mechanism (3) and the transverse moving mechanism (4);
and the spraying mechanism (5) is used for spraying high-pressure water mist to cool the area which is easy to catch fire.
2. The intelligent fire protection device for the tunnel according to claim 1, wherein: the detection probes (12) are internally provided with infrared sensors which are used for detecting the real-time temperature of the area in front of the detection probes (12), and the detection probes (12) transmit the real-time temperature of the area in front of the detection probes (12) to the controller;
the controller receives real-time temperature information of each area detected by a plurality of detection probes (12) in the tunnel, analyzes and processes the real-time temperature information of each area, judges whether the corresponding area has a fire risk according to the real-time temperature information of each area, and identifies the area easy to fire.
3. The intelligent fire protection device for the tunnel according to claim 2, wherein: the longitudinal moving mechanism (3) comprises a longitudinal moving frame (31), a driving wheel (32) and a driven wheel (33) are arranged at two ends of the longitudinal moving frame (31), and the driving wheel (32) and the driven wheel (33) are embedded into the sliding rail (2);
the driving motor is arranged in the longitudinal moving frame (31), an output shaft of the driving motor is in power connection with the driving wheel (32), and the driving motor is used for driving the longitudinal moving mechanism (3) to axially move along the sliding rail (2).
4. The intelligent fire protection device for the tunnel according to claim 3, wherein: the transverse moving mechanism (4) comprises a transverse moving frame (41) and a transverse driving assembly (42);
the two sides of the longitudinal moving frame (31) are symmetrically provided with sliding grooves (34), the transverse moving frame (41) is erected inside the longitudinal moving frame (31), and the transverse moving frame (41) can move along the sliding grooves (34) under the driving of a transverse driving assembly (42).
5. The intelligent fire protection device for the tunnel according to claim 4, wherein: spraying mechanism (5) are fixed lateral shifting frame (41) lower surface central authorities, spraying mechanism (5) include electric telescopic handle (51) and a plurality of atomizer (52), electric telescopic handle (51) stiff end with it is fixed between lateral shifting frame (41), electric telescopic handle (51) remove the end and are used for driving atomizer (52) to go up and down.
6. The intelligent fire protection device for the tunnel according to claim 5, wherein: the longitudinal moving mechanism (3) further comprises a water taking mechanism (7), the water taking mechanism (7) is arranged in the center of one side, close to the water supply mechanism (6), of the longitudinal moving frame (31), and the water taking mechanism (7) is used for communicating with the water supply mechanism (6) to take water;
a water delivery pipe (35) is arranged at the top end of the longitudinal moving frame (31), the water delivery pipe (35) is wound on the winding machine (8), and the winding machine (8) is used for winding and unwinding the water delivery pipe (35) according to the position of the transverse moving mechanism (4) on the longitudinal moving mechanism (3);
the top end of the transverse driving assembly (42) is provided with a range extending pump (43), a water conveying blind groove (44) is arranged in the transverse moving frame (41), and the water conveying blind groove (44) is communicated with the spraying mechanism (5);
one end of the water conveying pipe (35) is communicated with the water taking mechanism (7), the other end of the water conveying pipe (35) is communicated with the range extending pump (43), and the range extending pump (43) is used for pressurizing water in the water conveying pipe (35) and conveying the water into the water conveying hidden groove (44).
7. The intelligent fire protection device for the tunnel according to claim 6, wherein: the water supply mechanism (6) comprises a main water supply pipe (61) and a plurality of pressure pumps (62), a plurality of water supply branch pipes (63) are arranged on one side of the main water supply pipe (61), one ends, far away from the main water supply pipe (61), of the water supply branch pipes (63) extend into the interior of the sliding track (2), and the water supply branch pipes (63) are located at one ends of the interior of the sliding track (2) and are provided with water supply valves (64).
8. The intelligent fire protection device for the tunnel according to claim 7, wherein: the water supply valve (64) comprises a valve body (641), a fixed valve core (642) and a movable valve core (643);
the fixed valve core (642) is fixed with the valve body (641), and the movable valve core (643) is connected with the fixed valve core (642) through a spring (644);
a plurality of first communication ports (645) are formed in the outer side of the fixed valve core (642), a closing plate (646) is arranged at the top end of the movable valve core (643), a plurality of second communication ports (647) are formed in the closing plate (646), the cross sections of the second communication ports (647) are fan-shaped rings, and the minimum inner diameter of each second communication port is larger than the inner diameter of the opening of the valve body (641).
9. The intelligent fire protection device for the tunnel according to claim 8, wherein: the water taking mechanism (7) comprises a fixed outer pipe (71) and a telescopic inner pipe (72), an electric push rod (73) is arranged on the outer side of the telescopic inner pipe (72), the electric push rod (73) is used for driving the telescopic inner pipe (72) to stretch, and the telescopic inner pipe (72) is used for stretching into the water supply valve (64) to take water.
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| CN202111375167.2A CN114087013A (en) | 2021-11-18 | 2021-11-18 | Intelligent fire protection device for tunnel |
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| CN202111375167.2A CN114087013A (en) | 2021-11-18 | 2021-11-18 | Intelligent fire protection device for tunnel |
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| CN114087013A true CN114087013A (en) | 2022-02-25 |
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Cited By (1)
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