CN106964088B - A kind of train fire-fighting integral system and method - Google Patents
A kind of train fire-fighting integral system and method Download PDFInfo
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- CN106964088B CN106964088B CN201611238366.8A CN201611238366A CN106964088B CN 106964088 B CN106964088 B CN 106964088B CN 201611238366 A CN201611238366 A CN 201611238366A CN 106964088 B CN106964088 B CN 106964088B
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- 239000003595 mist Substances 0.000 claims abstract description 38
- 239000002245 particle Substances 0.000 claims abstract description 29
- 238000000197 pyrolysis Methods 0.000 claims abstract description 21
- 239000007921 spray Substances 0.000 claims description 35
- 239000000126 substance Substances 0.000 claims description 20
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Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/07—Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B3/00—Devices or single parts for facilitating escape from buildings or the like, e.g. protection shields, protection screens; Portable devices for preventing smoke penetrating into distinct parts of buildings
- A62B3/005—Rescue tools with forcing action
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/12—Actuation by presence of radiation or particles, e.g. of infrared radiation or of ions
Abstract
The present invention provides a kind of train fire-fighting integral system and methods, belong to technical field of fire control.It solves the problems, such as that train fire finds that slower and conventional fire extinguishing system is unfavorable for compartment fire extinguishing in the prior art.This train fire-fighting integral system, including fire early-warning system, fire extinguishing system, told fire early-warning system include the gas detector being arranged in compartment and pyrolysis particle detector, and train head and train tail are provided with gas detector outside compartment；Fire extinguishing system includes water mist fire extinguisher.The present invention is sounded an alarm at the beginning of generation of burning using gas detector, convenient in the state of rudiment, utilizing combustible particles detector, realizing the prevention to electrical equipment fire fire suppression.The present invention is put out a fire using water mists, and not only blow-off velocity is fast, saves water, and the damage to compartment and passenger is small.
Description
Technical field
The invention belongs to technical field of fire control, especially a kind of train fire-fighting integral system and method.
Background technique
Train, the i.e. rail vehicle with multiple connection compartments, such as train, high-speed rail, subway.This vehicle is if it happens
Net fire effect is extremely serious, because this Vehicular occupant is more, compartment closing, speed are fast, constant in fleeing from, compartment be linked as one
Body, fire easily spread expansion, typically upon fire plays extremely difficult control, and existing train fire alarm system is only sent out in fire
After life, or while being burned to certain degree, can just alarm, this is very unfavorable to control fire.It is best for fire
Fire-fighting method be to scent a hidden danger in time, prevent from leading to fire, i.e., progress fire alarm, especially for as train
Vehicle, as before fire occurs early warning can be carried out to potential danger, it will reduce many unnecessary losses.Train fire
The combustible fire that calamity is broadly divided into appliance fire and passenger carries, such as the fire of electrical equipment is since electric current is different mostly
Insulant caused by often excessive temperature rises is on fire, but before on fire, as the temperature rises, these insulators can be distributed
A large amount of pyrolysis particle, for example, electric wire polyvinyl chloride (PVC) insulation sheath and protect the insulating sheath (ABS material) of electric appliance
Pyrolysis particle can be distributed after heated, just as the smell of burning smelt sometimes in life, appearance of this pyrolysis particle in compartment or
Unusual fluctuations imply the danger that burning occurs；In addition caused by fire is sometimes the combustible that passenger's violation band is got on the bus, especially
It is some volatile fuel gas, such as oil, alcohol, when these substances are just on fire, insufficient due to burning, burning can be distributed
A large amount of CO etc. is clean-burning gas out, and this gas is not only toxic, and the signal that burning occurs, and can use this
Feature timely carries out early warning to the burning just occurred.
Since the water that train carries is less, if put out a fire in the way of watering when fire occurs, can waste a large amount of
Water；There are also the density of personnel in compartment is larger, compartment article and passenger can be seriously polluted with common foam annihilator,
It is especially easy to fascinate the eyes of people, is unfavorable for fleeing from for personnel.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of train fire-fighting integral system is proposed
And method, this train fire-fighting integral system and method can carry out quick early warning and alarm to fire hazard, using thin water
The mode of mist fire extinguishing, which reaches, to stamp out a fire rapidly, while reducing the harm to passenger.
Object of the invention can be realized by the following technical scheme: a kind of train fire-fighting integral system, including fire
Early warning system, fire alarm system and fire extinguishing system, the fire early-warning system include the gas detector being arranged in compartment
With pyrolysis particle detector, gas detector be used for detect fuel gas or burning generate pernicious gas, as fuel oil, alcohol or
The detector of CO.Train head and train tail are provided with gas detector outside compartment, for detecting the gas outside compartment.Once vehicle
When the amount of certain fuel gas in compartment or the amount for being pyrolyzed particle are more than safe-guard line, that is, alarm is issued, so as to crew member
Timely inspection processing, to prevent the generation of fire incident.Train is also provided with fire-alarm simultaneously, the inspection occurred for fire
It surveys, to cooperate with fire early-warning system, forms comprehensive integrated monitoring system, improve the safety of train.
Fire extinguishing system includes water mist fire extinguisher, will be sprayed after the water pressurization in water tank with mist.Fine mist fire-fighting is main
It is that water mists by being atomized drip group, by nozzle, is covered on above ignition point, the heat of flame makes spray vaporization, volume sharply
Expansion absorbs amount of heat and forms steam curtain, reaches rapid cooling, starvation, dilution combustable gas concentration, puts out flame
It goes out.Since water mists drop is small-sized, its specific surface area is very big, thus the surface film thermal conductance of water mists drop increases, in ring
It, can be with rapid vaporization when border temperature increases.The latent heat of vaporization of water is very big, and about 2257 kJ (kilojoule)s/kilogram, much larger than the temperature rise of water
Caloric receptivity (387 kJ (kilojoule)s/kilogram), thus absorbable amount of heat, fire temperature is reduced, burning point ambient temperature is declined.Example
Such as, it data show, relative to carbon dioxide extinguishing agent, water mists are to 30 times that the absorbability of heat is for the former.Water mists drop
Heat is absorbed simultaneously in vaporescence, and rapid spatial expansion can expand more than 1700 times.According to Dalton's law (of partial pressures), for
Enclosure space, before water mists drop vaporization, the aerial ratio of oxygen is 21%, nitrogen 78%, corresponding oxygen and nitrogen
Partial pressure be respectively 2.06 × 104 pas and 7.75 × 104 pas；With the rapid vaporization of dampening, partial pressure of water vapor is increased rapidly.
For 30 cubic metres of space, 5 liters of water completely vaporize the partial pressure of water vapor to be formed up to 2.78 × 104 pas, corresponding oxygen
Pressure reduction to 1.48 × 104 pas, i.e. the content of oxygen will be reduced to 15.05% hereinafter, to starvation, fire smothering,
When oxygen concentration is lower than 16%, burning cannot be maintained, and the oxygen concentration is on personnel without influence, this is very suitable to passenger and article is more
Train fire fire extinguishing.
By evaporation, increase the volume of 1 liters of water: the vapor of water → 1640 liter of 1 liter of liquid, Ji Huchong
Each effect fire extinguishing dripped is waved in distribution, is conserved water, extremely adaptation train uses.
Meanwhile water mists have radiation-screening heat effect, reduce heat radiation of the fire source to surrounding objects, prevent the climing of fire
Prolong, reduce heat radiation to the harmful effect of personnel, reduce scene of fire environment temperature, fire source is prevented to radiate other combustibles,
Prevent the sprawling of flame.
Fine spray extinguisher is different from other extinguishing devices, and without any pollution, harmful substance is not present after fire extinguishing；It
Both it can be used alone, can also be networked with multimachine, and be equipped with Intelligent sprayer, sensor and control device, going out for networking can be formed
Fiery system.
In above-mentioned train fire-fighting integral system, the water tank between two compartments is connected by transition pipe, described
It is provided with water pump and pipe fitting on transition pipe, the coupling tube of the water tank of two trains of connection is also equipped between two reconnection trains
Road, the pipe fitting are controllably to be automatically separated pipe fitting.So as to being exchanged each other's needs between compartment with water, ensure that the fire extinguishing in compartment is used
Water.
In above-mentioned train fire-fighting integral system, the thin water along vehicle body longitudinal direction distribution is provided in compartment on top
Fog spray head is provided with gas outlet and the air entry of the compartment air supply system being correspondingly arranged with fine mist spray head in floor compartment,
Gas outlet and air intake pump connection, for providing fresh air into compartment, the air inlet connection of air entry and exhaust pump, being used for will
Compartment is discharged in air in compartment, and cross over pipe is linked between exhaust pump and air intake pump, control valve is provided on cross over pipe, controls
The connection and disconnection of two pumps, the escape pipe of exhaust pump are provided with control valve, and each fine mist spray head and compartment air supply system go out
Port, air entry are provided with control valve.
In above-mentioned train fire-fighting integral system, which further includes that broken glass device, fire-alarm, fire are dredged automatically
Indicator is dissipated, is provided with flame sensor on broken glass device automatically.Gas detector passes through horizontal air inlet outside compartment at train head
Pipe is opened on the arcwall face windward of headstock with connection outside compartment, the air inlet of horizontal air inlet pipe, and vertical-horizontal air inlet pipe is linked with
Piston tube, the upper port of piston tube are opened in the junction of headstock arcwall face and headstock top surface windward, and the upper port of piston tube is fixed
There is the first strainer, the cylindrical plag free to slide along piston tube is provided in piston tube；Detection of gas outside compartment at train tail
Horizontal piston pipe is linked between device and the arcwall face of the tailstock, vertical-horizontal piston tube is linked with vertical air inlet pipe, vertical air inlet
The upper port of pipe is opened on headstock top surface, horizontal with the setting plug slided in the horizontal piston pipe of vertical air inlet pipe intersection
It is fixed with the second strainer in piston tube, reset spring is provided between plug and strainer.
A kind of train fire-fighting method, when gas detector or pyrolysis particle detector detect the amount of corresponding gas or particle
When more than predetermined value, fire-alarm is sounded an alarm, and attendant has further checked whether fire hazard, decides whether to open thin
Water spray extinguisher, when there is flame, the automatic broken glass device starting obtained at the smallest flame sensor of flare up fire intensity will
Vehicle window explosion, flees from convenient for personnel, and reduces combustion-supporting effect of the outdoor air to burning.
In above-mentioned train fire-fighting method, by the detection data of gas detector outside compartment and compartment internal gas detector
It is compared, if the detectable substance concentration outside compartment is higher than the concentration in compartment, improves the detectable substance concentration alarm in compartment
Threshold value compares the data of gas detector outside the compartment at the headstock tailstock in real time, if the detectable substance concentration at headstock first increases,
Illustrate that train drives into detectable substance high concentration region, the warning concentration threshold value in compartment is at this moment improved, if the detectable substance at the tailstock is dense
Reduce after degree, then illustrate that train is sailing out of detectable substance high concentration region, at this moment starts to reduce the warning concentration threshold value in compartment.Cause
When entering the area of haze or burning straw etc. for train sometimes, it is likely to result in the false alarm of detector.
In above-mentioned train fire-fighting method, when occur fire compartment water tank water it is too low when, using compartment it
Between the transition pipe of connection be that the water tank in fire compartment occurs to supply water to guarantee the supply of water for fire extinguishing.If the train is two
The train groups of column reconnection, then it be the train water supply that fire occurs that the train of fire does not occur by transition pipe, when fire does not occur
After the train water of calamity is finished, the connecting hook of two trains and the pipe fitting of transition pipe are disconnected.Prevent propagation of flame to another column
Che Shang.
In above-mentioned train fire-fighting method, if pyrolysis particle detector detects that pyrolysis particle concentration increases extremely,
The electric power in compartment is then reduced, such as turns off several light, if pyrolysis particle concentration then reduces, illustrates to be car electrical
There are fire hazards for device system, overhaul in time to electric system.
In above-mentioned train fire-fighting method, if burning occurs in compartment lower part, control away from nearest thin at burning
Water mist spraying head water spray, and the gas outlet for controlling corresponding compartment air supply system below the fine mist spray head is closed, control is inhaled
Port is opened, and is opened far from the gas outlet of the compartment air supply system at burning, and control air entry is closed, thus make water mists to
It concentrates compartment lower part；If burning occurs to control on compartment top away from fine mist spray head water spray nearest at burning, and
The gas outlet for controlling corresponding compartment air supply system below the fine mist spray head is opened, and control air entry is closed, and far from burning
The gas outlet of the compartment air supply system at place is closed, and control air entry is opened, to make water mists into compartment upper-part centralized.
In above-mentioned train fire-fighting method, when in the compartment that burning occurs nobody when, all fine mist spray heads spray water
Mist.
Compared with prior art, this train fire-fighting integral system and method have the advantage that
The present invention using gas detector burn occur at the beginning of i.e. sound an alarm, convenient for by fire suppression rudiment shape
State realizes the prevention to electrical equipment fire using combustible particles detector, while train is also provided with fire-alarm, is used for
The detection that fire occurs forms comprehensive monitoring system to cooperate with fire early-warning system, selects fine spray extinguisher
As the fire extinguishing system of train, blow-off velocity is fast, saves water, and the influence to article and passenger is minimum, and constituting has
The integrated train fire-fighting system of fire alarm, fire alarm and fire extinguishing evacuation function.With far-reaching social effect and objective
Economic benefit, fill the domestic gaps, it is leading in the world.
Detailed description of the invention
Fig. 1 is train fire-fighting integral system module composition schematic diagram；
Fig. 2 is the schematic diagram of water mist fire extinguisher and compartment air supply system；
Fig. 3 is the schematic diagram of reconnection train junction；
Fig. 4 is the structural schematic diagram for being controllably automatically separated pipe fitting；
Fig. 5 is the schematic cross-section for being controllably automatically separated pipe fitting；
Fig. 6 is the scheme of installation of gas detector outside compartment at train head；
Fig. 7 is the scheme of installation of gas detector outside compartment at train tail；
Fig. 8 is water mists control mode flow chart.
In figure, stereoplasm tube 1, flexible pipe 2, taper lumen 3, extensible member 4, banding piece 5, fine mist spray head 6, gas outlet 7,
Air entry 8, air intake pump 9, exhaust pump 10, compartment 11, cross over pipe 12, escape pipe 13, air inlet pipe 14 are automatically separated pipe fitting 16,
Automatic connection hook 17, gas detector 18 outside compartment, horizontal air inlet pipe 19, piston tube 20, the first strainer 21, cylindrical plag 22, water
Flat piston tube 23, vertical air inlet pipe 24, plug 25, reset spring 26, train head 27, train tail 28, the second strainer 29.
Specific embodiment
The following is specific embodiments of the present invention, and technical scheme of the present invention will be further described in conjunction with attached drawing,
However, the present invention is not limited to these examples.
As shown in Figure 1, a kind of train fire-fighting integral system, including fire early-warning system, fire alarm system and fire extinguishing
System, the fire early-warning system include the gas detector being arranged in compartment and pyrolysis particle detector, gas detector
For detecting the pernicious gas of fuel gas or burning generation, such as the concentration of CO, being pyrolyzed particle detector detection burning will be sent out
Material particle caused by high temperature before death is detached from, especially electrical equipments such as conducting wire, when current heating is more serious, electric appliance it is exhausted
Edge, which is known from experience, generates a large amount of pyrolysis particle, for example, electric wire polyvinyl chloride (PVC) insulation sheath and protect the insulating sheath of electric appliance
Pyrolysis particle can be distributed after (ABS material) is heated.Train head and train tail are provided with gas detector outside compartment, are used for
Detect the gas outside compartment.The system further includes breaking glass device, fire-alarm, fire evacuation indicator automatically, fireproof isolating door,
Emergent broadcast and other kinds of fire sensor, such as temperature sensitive type, sense cigarette type, photosensitive type sensing, to carry out more fully
Detection is particularly provided with flame sensor on automatic broken glass device.Fire early-warning system, alarm system, fire extinguishing system and its
He is preferably uniformly controlled by vehicle fire protection control center fire-fighting equipment.
As shown in Fig. 2, fire extinguishing system includes water mist fire extinguisher, will be sprayed after the water pressurization in water tank with mist, certainly
It is also possible to the fine mist fire-fighting tank with prefabricated high pressure, in order to quick release water mists.Edge is provided on top in compartment 11
The fine mist spray head 6 of vehicle body longitudinal direction distribution is provided with the compartment being correspondingly arranged with fine mist spray head in floor compartment and supplies
The gas outlet 7 of gas system and air entry 8, gas outlet and 9 connection of air intake pump, for providing fresh air, air entry into compartment
It is linked between exhaust pump 10 and air intake pump with the air inlet connection of exhaust pump for compartment to be discharged in the air in compartment
Siphunculus 12, control valve, the connection and disconnection of two pump of control are provided on cross over pipe, and the escape pipe 13 of exhaust pump is provided with control
Valve, each fine mist spray head and the gas outlet of compartment air supply system, air entry are provided with control valve.Water mists control flow is such as
Shown in Fig. 8.
As shown in figure 3, the water tank between two compartments passes through transition pipe in above-mentioned train fire-fighting integral system
It connects, is provided with water pump and pipe fitting on the transition pipe, the water storage of two trains of connection is also equipped between two reconnection trains
The transition pipe of case, the pipe fitting are controllably to be automatically separated pipe fitting 16.As shown in Figure 4,5, described to be automatically separated pipe fitting
A side pipe be stereoplasm tube 1, a side pipe be flexible pipe 2, the taper lumen coaxial with stereoplasm tube is fixed in stereoplasm tube pipe end
3, the intracavitary circumferential direction of conical pipe is provided with six radially flexible controllable extensible parts 4, such as pneumatic cylinder or electric cylinder, extensible member
On be provided with arc-shaped banding piece 5.By flexible pipe sleeve on stereoplasm tube, extensible member stretches out banding piece and flexible pipe lock ring exists
On stereoplasm tube.When needing to disconnect the connection of pipe fitting, as long as control extensible member shrinks back banding piece, it is detached from flexible pipe sleeve
Stereoplasm tube.
The application method of the train fire-fighting integral system are as follows: when gas detector or pyrolysis particle detector detect phase
When the amount of gas or particle being answered to be more than predetermined value, fire-alarm is sounded an alarm, and attendant has further checked whether that fire is hidden
Suffer from, decide whether to open water mist fire extinguisher, when there is flame, when train stops or speed is very slow, controls flare up fire
Automatic broken glass device at the smallest flame sensor of intensity starts vehicle window explosion.
In above-mentioned train fire-fighting method, by the detection data of gas detector outside compartment and compartment internal gas detector
It is compared, if the detectable substance concentration outside compartment is higher than the concentration in compartment, improves the detectable substance concentration alarm in compartment
Threshold value compares the data of gas detector outside the compartment at the headstock tailstock in real time, if the detectable substance concentration at headstock first increases,
Illustrate that train drives into detectable substance high concentration region, the warning concentration threshold value in compartment is at this moment improved, if the detectable substance at the tailstock is dense
Reduce after degree, then illustrate that train is sailing out of detectable substance high concentration region, at this moment starts to reduce the warning concentration threshold value in compartment.Cause
When entering the area of haze or burning straw etc. for train sometimes, it is likely to result in the false alarm of detector.
In above-mentioned train fire-fighting method, when occur fire compartment water tank water it is too low when, using compartment it
Between the transition pipe of connection be that the water tank in fire compartment occurs to supply water to guarantee the supply of water for fire extinguishing.If the train is two
The train groups of column reconnection, then it be the train water supply that fire occurs that the train of fire does not occur by transition pipe, when fire does not occur
After the train water of calamity is finished, the automatic connection hook 17 of two trains is disconnected with the pipe fitting of transition pipe.Prevent propagation of flame from arriving
On another train.
In above-mentioned train fire-fighting method, if pyrolysis particle detector detects that pyrolysis particle concentration increases extremely,
The electric power in compartment is then reduced, such as turns off several light, if pyrolysis particle concentration then reduces, illustrates to be car electrical
There are fire hazards for device system, overhaul in time to electric system.
In above-mentioned train fire-fighting method, if burning occurs in compartment lower part, control away from nearest thin at burning
Water mist spraying head water spray, and the gas outlet for controlling corresponding compartment air supply system below the fine mist spray head is closed, control is inhaled
Port is opened, and is opened far from the gas outlet of the compartment air supply system at burning, and control air entry is closed, to keep water mists fast
At the burning of flow speed and direction compartment lower part, the air inlet pipe 14 of air intake pump can also be closed at this time, opened between exhaust pump and air intake pump
The cross over pipe of connection, the air containing water mists that air intake pump ejects exhaust pump squeeze into compartment again, if certainly in compartment
Someone, then this process unsustainable long time.
If burning occurs to control away from fine mist spray head water spray nearest at burning, and control on compartment top
The gas outlet of corresponding compartment air supply system is opened below the fine mist spray head, and control air entry is closed, and far from burning
The gas outlet of compartment air supply system is closed, and control air entry is opened, so that water mists be made to rapidly flow toward at the burning of compartment top.
In above-mentioned train fire-fighting method, when in the compartment that burning occurs nobody when, all fine mist spray heads spray water
Mist.
As shown in Figure 6,7, gas detector 18 passes through horizontal air inlet pipe 19 and compartment external connection outside the compartment at train head 27
Logical, the air inlet of horizontal air inlet pipe is opened on the arcwall face windward of headstock, and vertical-horizontal air inlet pipe is linked with piston tube 20, piston
The upper port of pipe is opened in the junction of headstock arcwall face and headstock top surface windward, and the upper port of piston tube is fixed with the first strainer
21, the cylindrical plag 22 free to slide along piston tube is provided in piston tube.Outside compartment at train tail 28 gas detector with
Horizontal piston pipe 23 is linked between the arcwall face of the tailstock, vertical-horizontal piston tube is linked with vertical air inlet pipe 24, vertical air inlet
The upper port of pipe is opened on headstock top surface, with the setting plug 25 slided in the horizontal piston pipe of vertical air inlet pipe intersection, water
It is fixed with the second strainer 29 in flat piston tube, reset spring 26 is provided between plug and the second strainer.According to aerodynamics,
When train is run at high speed, air pressure on the windward side of headstock is high, the junction air pressure of headstock arcwall face and headstock top surface windward
It is low, so that cylindrical plag is moved up along piston tube, horizontal air inlet pipe is opened, outside air is made to enter gas detector, piston tube
The first interior strainer plays the role of that cylindrical plag is prevented to fly out, and when train stops, cylindrical plag, which is fallen, blocks horizontal air inlet pipe.When
When train is run at high speed, the air pressure on the arcwall face of the tailstock is low, and the arcwall face of the tailstock and the junction air pressure of tailstock top surface are high, makes
Plug compression reseting spring is obtained, vertical air inlet pipe is opened, outside air is made to enter gas detector, it is multiple when train stops
Position spring lives plug reset by vertical air inlet pipe plug.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Although some terms are used more herein, it does not exclude the possibility of using other terms.Use these
Term is only for the convenience of describing and explaining the nature of the invention；It is construed as any additional limitation all
It is to be disagreed with spirit of that invention.
Claims (8)
1. a kind of train fire-fighting integral system, including fire early-warning system, fire alarm system, fire extinguishing system, feature exist
In: the fire early-warning system includes the gas detector and pyrolysis particle detector, train head and train being arranged in compartment
Tail is provided with gas detector outside compartment；Fire extinguishing system includes water mist fire extinguisher；The system further includes breaking glass device, fire automatically
Calamity alarm, fire evacuation indicator are provided with flame sensor, detection of gas outside the compartment at train head on broken glass device automatically
Device is opened on the arcwall face windward of headstock by connection outside horizontal air inlet pipe and compartment, the air inlet of horizontal air inlet pipe, vertical water
Flat air inlet pipe is linked with piston tube, and the upper port of piston tube is opened in the junction of headstock arcwall face and headstock top surface windward, piston
The upper port of pipe is fixed with the first strainer, and the cylindrical plag free to slide along piston tube is provided in piston tube；At train tail
Be linked with horizontal piston pipe outside compartment between gas detector and the arcwall face of the tailstock, vertical-horizontal piston tube be linked with vertically into
Tracheae, the upper port of vertical air inlet pipe are opened on headstock top surface, and are slided in the horizontal piston pipe of vertical air inlet pipe intersection
Plug is set, is fixed with the second strainer in horizontal piston pipe, reset spring is provided between plug and strainer.
2. train fire-fighting integral system according to claim 1, which is characterized in that compartment is provided with water tank, two vehicles
The water tank in compartment is connected by transition pipe, is provided with water pump and pipe fitting on the transition pipe, between two reconnection trains
It is provided with the transition pipe of the water tank of two trains of connection, the pipe fitting is controllably to be automatically separated pipe fitting.
3. train fire-fighting integral system according to claim 1, which is characterized in that be provided on top along car body in compartment
The fine mist spray head of length direction distribution, is provided with the compartment air supply system being correspondingly arranged with fine mist spray head in floor compartment
Gas outlet and air entry, gas outlet and air intake pump connection, the air inlet connection of air entry and exhaust pump, exhaust pump and air intake pump
Between be linked with cross over pipe, be provided with control valve on cross over pipe, the escape pipe of exhaust pump is provided with control valve, each water mists spray
Head and the gas outlet of compartment air supply system, air entry are provided with control valve, and compartment air intake pump air inlet pipe is linked with carbon dioxide
Storage tank.
4. a kind of working method of train fire-fighting integral system according to claim 1 or 2 or 3, which is characterized in that when
When gas detector or pyrolysis particle detector detect that the amount of corresponding gas or particle is more than predetermined value, fire-alarm is issued
Alarm, attendant have further checked whether fire hazard, decide whether that open water mist fire extinguisher obtains when there is flame
Automatic broken glass device at the smallest flame sensor of flame signal strength of getting fire starts vehicle window explosion；By gas detector outside compartment
It is compared with the detection data of compartment internal gas detector, if the detectable substance concentration outside compartment is higher than the concentration in compartment,
The detectable substance concentration alarm threshold value in compartment is then improved, compares the data of gas detector outside the compartment at the headstock tailstock in real time,
If the detectable substance concentration at headstock first increases, illustrate that train drives into detectable substance high concentration region, at this moment improves the alarm in compartment
Concentration threshold illustrates that train is sailing out of detectable substance high concentration region, at this moment opens if reduced after detectable substance concentration at the tailstock
Begin to reduce the warning concentration threshold value in compartment.
5. the working method of train fire-fighting integral system according to claim 4, which is characterized in that when generation fire
When the water tank water in compartment is too low, the transition pipe using connection between compartment is the water tank water supply that fire compartment occurs,
If the train is the train groups of two column reconnections, the train that fire does not occur is supplied by the train that transition pipe is generation fire
Water, after the train water that fire does not occur is finished, the connecting hook of two trains and the pipe fitting of transition pipe are disconnected.
6. the working method of train fire-fighting integral system according to claim 4, which is characterized in that if pyrolysis particle
Detector detects that pyrolysis particle concentration increases extremely, then reduces the electric power in compartment, if pyrolysis particle concentration then subtracts
Small, then explanation is that there are fire hazards for compartment electric system, is overhauled in time to electric system.
7. the working method of train fire-fighting integral system according to claim 4, which is characterized in that if burning occurs
In compartment lower part, then control is away from fine mist spray head water spray nearest at burning, and controls corresponding below the fine mist spray head
The gas outlet of compartment air supply system close, control air entry is opened, and the gas outlet far from the compartment air supply system at burning
It opens, control air entry is closed；If burning occurs to be controlled on compartment top away from fine mist spray head injection nearest at burning
Water mist, and the gas outlet for controlling corresponding compartment air supply system below the fine mist spray head is opened, control air entry is closed, and remote
Gas outlet from the compartment air supply system at burning is closed, and control air entry is opened.
8. the working method of train fire-fighting integral system according to claim 7, which is characterized in that occur when burning
In compartment nobody when, all fine mist spray head water sprays, meanwhile, air intake pump of the carbon dioxide storage tank to compartment air supply system
Air inlet pipe provides carbon dioxide, and carbon dioxide gas is pumped into compartment.
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| CN201611238366.8A CN106964088B (en) | 2016-12-28 | 2016-12-28 | A kind of train fire-fighting integral system and method |
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| CN201611238366.8A CN106964088B (en) | 2016-12-28 | 2016-12-28 | A kind of train fire-fighting integral system and method |
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| CN106964088B true CN106964088B (en) | 2019-06-07 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108498975A (en) * | 2018-04-19 | 2018-09-07 | 西安新竹防务科技有限公司 | A kind of motor-car superfine spray fire extinguishing device |
| CN109200503A (en) * | 2018-10-09 | 2019-01-15 | 江苏辰泰轨道交通科技有限公司 | Rail traffic vehicles water mists security system |
| CN115346329A (en) * | 2022-08-15 | 2022-11-15 | 中南大学 | System and method for intelligently and rapidly purifying particles in carriage |
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