CN101579560B - Public transport vehicle fire safety protection system and method - Google Patents

Abstract

The invention discloses a fire safety protection system of public traffic vehicle and a method, relating to the fire safety protection technique and aiming at solving the deficiency of the fire safetyprotection means of the existing public traffic vehicle. The protection system comprises a container containing an extinguishing agent, a power unit connected with the container and used for driving the extinguishing agent in the container, an actuating mechanism electrically connected with the control segment of the power unit, an extinguishing agent transmission pipeline distributed in the interior of the carriage of the public traffic vehicle, a mist nozzle arranged on the extinguishing agent transmission pipeline; at least one mist nozzle on the extinguishing agent transmission pipeline is arranged on a fuel tank or a gas cylinder of the vehicle; and the nozzle faces the fuel tank or the gas cylinder. The method comprises the following steps: the extinguishing agent transmission pipeline is circuitously arranged or longitudinally arranged on the carriage of the public traffic vehicle, and the mist or water fog nozzle is arranged on the transmission pipe so that the liquid extinguishing agent is controllably sprayed by the nozzle to form mist or water frog, thus realizing the fire safety protection.

Description

Public transport vehicle fire safety protection system and method

technical field

The invention relates to a fire safety protection technology, in particular to a fire safety protection system and method used on public transportation vehicles.

Background technique

At present, the safety facilities equipped with domestic public transport vehicles are mainly divided into the following parts:

1. Safety hammer. It is mainly used in buses or long-distance passenger vehicles. In the event of fire or public safety accidents, passengers can use the safety hammer to smash the glass to escape.

2. Portable fire extinguisher. In the event of an incipient fire, a fire extinguisher can be used to extinguish the fire.

3. Pulse type dry powder fire extinguisher in the engine room. The fire extinguisher is mainly used to automatically spray dry powder fire extinguishing agent to extinguish the fire when the engine is on fire.

4. Driver monitoring equipment. A monitoring camera is installed above the rear door of the passenger car, which can monitor a part of the space in the passenger car.

5. Alarm. Alarms are installed on public transport vehicles in some parts of the country, and passengers can press the alarm button to report to the police when a safety accident occurs.

The above safety facilities are only suitable for manually extinguishing the fire parts of the vehicle when the vehicle is initially on fire, or allowing people to escape as soon as possible. However, when deflagration occurs or the fire spreads rapidly, none of the above measures can effectively play a role. At present, there is no public transport passenger vehicle fire safety protection system developed for the protection of passengers in the whole country.

Contents of the invention

The purpose of the present invention is to solve the deficiency of the existing means of fire safety protection for public transport vehicles, to provide a fire safety protection system applied to public transport vehicles, which can quickly provide fire protection for passengers in the public transport vehicles, and can effectively Extinguish the initial fire, prevent the spread of the fire, reduce burns or smoke poisoning of passengers, and buy time for passengers to escape.

Another object of the present invention is to provide a public transport vehicle with the above-mentioned fire protection system.

Another object of the present invention is to provide a fire safety protection method on a public transport vehicle.

The purpose of the present invention can be achieved through the following technical solutions:

The fire safety protection system of public transport vehicles, including containers containing fire extinguishing agents and

A power component connected to the container, used to drive the fire extinguishing agent in the container;

an actuating mechanism electrically connected to the control part of the power unit;

fire extinguishing agent delivery pipes distributed inside the cabin of the public transport vehicle;

Fine mist or water mist nozzles arranged on the fire extinguishing agent delivery pipeline;

Or the power part includes a DC power supply, an inverter electrically connected to the DC power supply, an AC water pump electrically connected to the inverter, the water pump communicates with a container containing a fire extinguishing agent, and the starting mechanism is connected between the DC power supply and the inverter. between devices.

An embodiment of the system of the present invention is that at least one of the nozzles on the fire extinguishing agent delivery pipeline is arranged at the fuel tank or gas cylinder of the vehicle, and its nozzle faces the fuel tank or gas cylinder.

An embodiment of the system of the present invention is that the fire extinguishing agent delivery pipeline includes at least two sections distributed on both sides of the compartment, and the fine mist or water mist nozzles are installed in a staggered manner on the two sections of delivery pipeline;

A public transport vehicle with a fire safety protection system, including a compartment, a driver's cab and a vehicle-mounted DC power supply. The compartment is provided with a container for holding a fire extinguishing agent, and a fire extinguishing agent delivery pipeline connected to the container through a water pump, and the control part of the water pump The starting mechanism is electrically connected to the vehicle-mounted DC power supply; the fire extinguishing agent delivery pipes are arranged on both sides of the compartment, and fine mist or water mist nozzles are arranged on the fire extinguishing agent delivery pipes; the fire extinguishing agent delivery pipes on both sides of the arrangement are There are multiple fine mist or water mist nozzles on the fire extinguishing agent pipeline, and the nozzles on the pipelines on both sides are staggered from each other; Facing the above-mentioned fuel tank or gas cylinder; the water pump is an AC water pump, and its control part is electrically connected to the vehicle-mounted DC power supply through an inverter.

An embodiment of the vehicle of the present invention is that the starting mechanism is arranged in the driver's cab and is electrically connected to the inverter through a control line.

Fire protection methods for public transport vehicles include:

The fire extinguishing agent conveying pipeline is arranged on the compartment of the public transport vehicle, and the nozzle is arranged on the conveying pipeline, so that the liquid fire extinguishing agent can be sprayed out through the nozzle to form a fine mist or water mist, so as to realize fire safety protection; it is also included in the said vehicle A delivery pipeline with a fine mist nozzle is arranged at the fuel tank or gas cylinder, and the nozzle of the nozzle faces the above-mentioned fuel tank or gas cylinder; the control of the liquid fire extinguishing agent is manual control, and the starting mechanism is arranged in the cab of the public transport vehicle; A container for containing fire extinguishing agent is arranged on the transportation vehicle, and the container communicates with the fire extinguishing agent delivery pipeline through a water pump; the above-mentioned starting mechanism is electrically connected with the control part of the water pump through a control line.

An embodiment of the method of the present invention is that the fire extinguishing agent conveying pipe is arranged in the interlayer of the top layer of the compartment, and the interlayer is spaced with holes so that the spray head can spray the fire extinguishing agent into the compartment.

The public transport vehicles described in the present invention may be public transport vehicles, trams, subways, trains, light rails and the like.

The present invention adopts the above structure and/or method, and uses the fine mist or water mist generated by the nozzle to provide fire protection for passengers in the compartments of public transport vehicles such as urban public transport vehicles, long-distance passenger transport vehicles, and rail transit vehicles, and can effectively extinguish initial fires , to prevent the spread of the fire, reduce burns or smoke poisoning of passengers, and buy time for passengers to escape; the fire extinguishing agent used can be water or other liquid fire extinguishing agents that are harmless to the human body, and has the functions of heat insulation, cooling, dust prevention, dilution and poisonous Hazardous gas, environmental protection, no harm to the human body; the system can be started manually by the driver, which can prevent the system from malfunctioning when the automatic start is unreliable; when there is a reliable alarm signal, an external alarm system can also be connected to start automatically; The system can also provide fire protection for the vehicle's fuel tank or gas cylinder, which can effectively prevent the fuel tank or gas cylinder from exploding when the vehicle is burning; Escape; the system can be used to disinfect and sterilize the interior of the car when a large-scale epidemic spreads.

Description of drawings

The invention will be illustrated by way of example with reference to the accompanying drawings, in which:

Fig. 1, Fig. 2 are the schematic diagrams of embodiment 1 in the utility model;

Fig. 3, Fig. 4 are the schematic diagrams of embodiment 2 in the utility model;

Fig. 5, Fig. 6 are the schematic diagrams of embodiment 3 in the utility model;

Numbers in the figure: 1 is the starting mechanism, 2 is the fire extinguishing agent delivery pipeline, 3 is the nozzle, 4 is the fire extinguishing agent tank, 5 is the water pump, 6 is the control line, and 7 is the decorative protective cover.

Detailed ways

The present invention will be further described below in combination with specific embodiments and accompanying drawings.

The fire safety protection system of public transport vehicles includes a power component, a starting mechanism, a container for fire extinguishing agent, a fire extinguishing agent delivery pipeline, and a nozzle installed on the delivery pipeline. The starting mechanism controls the start and stop of the power component, and the power component drives the fire extinguishing agent in the container. The agent is sprayed out through the delivery pipe to the nozzle, and forms a fine mist to extinguish the fire, so as to achieve the purpose of fire safety protection.

Example 1:

As shown in Figure 1, the public transport vehicle fire safety protection system includes a fire extinguishing agent tank 4 installed at the rear of the public transport vehicle compartment, which contains a liquid fire extinguishing agent (such as water or other liquid fire extinguishing agents that are harmless to the human body). The fire extinguishing agent tank 4 is connected with the water pump 5 through the water pipe, and the control part of the water pump 5 is electrically connected with the starting mechanism 1 arranged at the driver's place in the front cab of the public transportation vehicle through the control line 6, and the starting mechanism 1 is connected with the own vehicle of the public transportation vehicle. Vehicle DC power supply (battery) electrical connection.

The above-mentioned water pump 5 is a DC water pump. If an AC water pump is used, the control part of the water pump 5 is electrically connected to the inverter, and the inverter is electrically connected to the vehicle-mounted DC power supply through the starting mechanism 1.

As shown in FIG. 2 , the fire extinguishing agent tank 4 is connected with a fire extinguishing agent delivery pipeline 2 . The conveying pipes 2 are distributed on both sides of the upper part of the compartment of the public transport vehicle, and the conveying pipes 2 on each side are evenly distributed with nozzles 3 that can make the liquid fire extinguishing agent finely atomized or water atomized.

The starting mechanism 1 can be a switch arranged on the cab panel.

In another embodiment, the compressed air of the vehicle itself can be used to provide the driving pressure of the fire extinguishing agent for the system.

In one embodiment, a section of the fire extinguishing agent delivery pipeline 2 is arranged at the fuel tank or the gas cylinder of the public transportation vehicle, and there is at least one fine mist or water mist nozzle on the delivery pipeline 2, and its nozzle faces the fuel tank or the gas cylinder. When the protective system is activated, the nozzles here continuously spray out fine atomized or water atomized fire extinguishing agent to prevent the fuel tank or gas cylinder from exploding due to overheating or exposure to open fire.

Once a fire is detected or found in the compartment, the driver manually controls the starting mechanism to turn on the power, so that the water pump 5 works, and the fire extinguishing agent in the fire extinguishing agent tank is driven to be transported to both sides of the upper part of the compartment through the delivery pipeline, and sprayed out through the nozzle into fine atomization. Or water atomized fire extinguishing agent to realize the fire extinguishing function, so that the fire in the compartment can be extinguished or effectively controlled. At the same time, the fine mist or water mist has the functions of heat insulation and cooling, dust prevention, and dilution of toxic and harmful gases.

Public transport vehicles with fire safety protection systems are public transport vehicles as shown in Figure 1 and Figure 2.

The part of the above-mentioned fire extinguishing agent conveying pipeline located in the compartment is arranged in the interlayer of the top layer of the compartment, and the interlayer is spaced with holes so that the nozzle can spray the fire extinguishing agent into the compartment.

Example 2:

As shown in Figure 3, the public transport vehicle fire safety protection system includes a fire extinguishing agent tank 4 installed on the roof of the public transport vehicle, which contains a liquid fire extinguishing agent (such as water or other liquid fire extinguishing agents that are harmless to the human body) , the fire extinguishing agent tank 4 is connected with the water pump 5 through the water pipe, and the control part of the water pump 5 is electrically connected with the starting mechanism 1 arranged at the driver's place in the front cab of the public transport vehicle through the control line 6, and the starting mechanism 1 is connected with the own vehicle of the public transport vehicle. The on-board DC power supply (battery) is electrically connected.

The above-mentioned water pump 5 is a DC water pump. If an AC water pump is used, the control part of the water pump 5 is electrically connected to the inverter, and the inverter is electrically connected to the vehicle-mounted DC power supply through the starting mechanism 1.

As shown in FIG. 4 , the fire extinguishing agent tank 4 is connected with a fire extinguishing agent delivery pipeline 2 . The conveying pipes 2 are distributed on both sides of the upper part of the compartment of the public transport vehicle, and the conveying pipes 2 on each side are evenly distributed with nozzles 3 that can make the liquid fire extinguishing agent finely atomized or water atomized. The installation positions of the nozzles on the delivery pipes 2 on both sides are staggered from each other, so that the sprayed fire extinguishing agent fine mist or water mist can be more uniform and distributed in a wider range.

The conveying pipeline 2 can be positioned outside the roof of the compartment, or in the compartment, as long as the nozzles of the fine mist nozzle or the water mist nozzle on it are exposed to the interior of the compartment.

In order to be more beautiful, a decorative protective cover 7 can be set on the top of the compartment to assemble the fire extinguishing agent box 4 therein.

The starting mechanism 1 can be a switch arranged on the cab panel.

In one embodiment, a section of the fire extinguishing agent delivery pipeline 2 is arranged at the fuel tank or the gas cylinder of the public transportation vehicle, and there is at least one fine mist or water mist nozzle on the delivery pipeline 2, and its nozzle faces the fuel tank or the gas cylinder. When the protective system is activated, the nozzles here continuously spray out fine atomized or water atomized fire extinguishing agent to prevent the fuel tank or gas cylinder from exploding due to overheating or exposure to open fire.

Public transport vehicles with fire safety protection systems are public transport vehicles as shown in Figure 3 and Figure 4.

The above-mentioned fire extinguishing agent delivery pipeline is arranged in the interlayer of the top layer of the compartment, and the interlayer is spaced with holes so that the spray head can spray the fire extinguishing agent into the compartment.

Example 3:

As shown in Figure 5, the public transport vehicle fire safety protection system includes a fire extinguishing agent tank 4 installed at the lower part of the public transport vehicle compartment, which contains a liquid fire extinguishing agent (such as water or other liquid fire extinguishing agents that are harmless to the human body). The fire extinguishing agent tank 4 is connected with the water pump 5 through the water pipe, and the control part of the water pump 5 is electrically connected with the starting mechanism 1 arranged at the driver's place in the front cab of the public transportation vehicle through the control line 6, and the starting mechanism 1 is connected with the own vehicle of the public transportation vehicle. Vehicle DC power supply (battery) electrical connection.

The above-mentioned water pump 5 is a DC water pump. If an AC water pump is used, the control part of the water pump 5 is electrically connected to the inverter, and the inverter is electrically connected to the vehicle-mounted DC power supply through the starting mechanism 1.

As shown in FIG. 6 , the fire extinguishing agent tank 4 is connected with a fire extinguishing agent delivery pipeline 2 . The conveying pipes 2 are distributed on both sides of the upper part of the compartment of the public transport vehicle, and the conveying pipes 2 on each side are evenly distributed with nozzles 3 that can make the liquid fire extinguishing agent finely atomized or water atomized. The installation positions of the nozzles on the delivery pipes 2 on both sides are staggered from each other, so that the sprayed fire extinguishing agent fine mist or water mist can be more uniform and distributed in a wider range.

The starting mechanism 1 can be a switch arranged on the cab panel.

In one embodiment, a section of the fire extinguishing agent delivery pipeline 2 is arranged at the fuel tank or the gas cylinder of the public transportation vehicle, and there is at least one fine mist or water mist nozzle on the delivery pipeline 2, and its nozzle faces the fuel tank or the gas cylinder. When the protective system is activated, the nozzles here continuously spray out fine atomized or water atomized fire extinguishing agent to prevent the fuel tank or gas cylinder from exploding due to overheating or exposure to open fire.

Public transport vehicles with fire safety protection systems are public transport vehicles as shown in Figures 5 and 6.

The above-mentioned fire extinguishing agent delivery pipeline is arranged in the interlayer of the top layer of the compartment, and the interlayer is spaced with holes so that the spray head can spray the fire extinguishing agent into the compartment.

Example 4:

The public transport vehicle fire safety protection system includes a fire extinguishing agent box 4 installed inside the public transport vehicle compartment, which contains a liquid fire extinguishing agent (such as water or other liquid fire extinguishing agents that are harmless to the human body), and the fire extinguishing agent box 4 passes through the water pipe. Connected to the water pump 5, the control part of the water pump 5 is electrically connected to the starting mechanism 1 arranged at the driver's seat in the front cab of the public transportation vehicle through the control line 6, and the starting mechanism 1 is connected to the own on-board DC power supply (battery battery) of the public transportation vehicle electrical connection.

The above-mentioned water pump 5 is a DC water pump. If an AC water pump is used, the control part of the water pump 5 is electrically connected to the inverter, and the inverter is electrically connected to the vehicle-mounted DC power supply through the starting mechanism 1.

The fire extinguishing agent tank 4 is connected with a fire extinguishing agent conveying pipeline 2 . A section of the conveying pipeline 2 is vertically arranged on the upper part of the compartment of the public transport vehicle, and the nozzle 3 that can make the liquid fire extinguishing agent finely atomized or water atomized is evenly distributed on the conveying pipeline 2 . The nozzles of the nozzles face the two sides of the compartment, or they can face both sides of the compartment at intervals, up and down, so that the sprayed fire extinguishing agent fine mist or water mist can be more uniform, and the spraying range can cover the entire interior of the compartment.

The starting mechanism 1 can be a switch arranged on the cab panel.

In one embodiment, a section of the fire extinguishing agent delivery pipeline 2 is arranged at the fuel tank or the gas cylinder of the public transportation vehicle, and there is at least one fine mist or water mist nozzle on the delivery pipeline 2, and its nozzle faces the fuel tank or the gas cylinder. When the protection system is activated, the fine mist nozzle here continuously sprays fine atomized fire extinguishing agent to prevent the fuel tank or gas cylinder from exploding due to overheating or exposure to open fire.

The above-mentioned fire extinguishing agent conveying pipeline can be arranged in the interlayer of the top layer of the compartment, and the interlayer is spaced with holes so that the fine mist nozzle or water mist nozzle can spray the fire extinguishing agent into the compartment.

In each of the above-mentioned embodiments, a second container containing a fire extinguishing agent can also be provided. The fire extinguishing agent box containing a liquid fire extinguishing agent is called the first container, and the dry powder fire extinguishing agent is contained in the second container. The above-mentioned start switch includes a first The switch and the second switch; the delivery pipeline is connected to the first container through the water pump; the first switch is a switch for controlling the on-off of the inverter, and the second switch is a switch for controlling the start and stop of the dry powder fire extinguishing agent; the second container is set in the public transport vehicle at the engine. In this embodiment, the first switch and the second switch can also be fused into a common switch, and double fire extinguishing of the compartment and the engine can be realized with one operation.

As an optional implementation, the protection system may also include a pyrotechnic sensor (such as a smoke sensor or a temperature sensor, or a collection component that collects pyrotechnic signals through a camera), and the activation mechanism is an automatic activation mechanism that receives a signal from the pyrotechnic sensor, Automatically output driving signal to make the power part move.

The public transport vehicle fire safety protection system in the above embodiments can also be applied to rail transport vehicles such as trams and subways, long-distance passenger transport vehicles, trains, and the like.

All features disclosed in this specification, or steps in all methods or processes disclosed, may be combined in any manner, except for mutually exclusive features and/or steps.

Any feature disclosed in this specification (including any appended claims, abstract and drawings), unless expressly stated otherwise, may be replaced by alternative features which are equivalent or serve a similar purpose. That is, unless expressly stated otherwise, each feature is one example only of a series of equivalent or similar features.

The present invention is not limited to the foregoing specific embodiments. The present invention extends to any new feature or any new combination disclosed in this specification, and any new method or process step or any new combination disclosed.

Claims (4)

1. The fire safety protection system for public transport vehicles, including a container containing a fire extinguishing agent, is characterized in that it also includes A power component connected to the container, used to drive the fire extinguishing agent in the container; an actuating mechanism electrically connected to the control part of the power unit; fire extinguishing agent delivery pipes distributed inside the cabin of the public transport vehicle; Fine mist or water mist nozzles arranged on the fire extinguishing agent delivery pipeline; The fire extinguishing agent delivery pipeline includes at least two sections distributed on both sides of the compartment, and the nozzles are installed in a staggered manner on the two sections of delivery pipeline; The power components include a DC power supply, an inverter electrically connected to the DC power supply, and an AC water pump electrically connected to the inverter. between. 2. The fire protection system for public transport vehicles as claimed in claim 1, wherein at least one of the spray nozzles on the fire extinguishing agent delivery pipeline is arranged at the fuel tank or gas cylinder of the vehicle, and its nozzle faces the above-mentioned fuel tank or gas cylinder. cylinder. 3. A public transport vehicle with a fire safety protection system, including a compartment, a driver's cab and a vehicle-mounted DC power supply, characterized in that a container for holding a fire extinguishing agent is provided in the compartment, and a fire extinguishing agent delivery system connected to the container through a water pump The pipeline and the control part of the water pump are electrically connected to the vehicle-mounted DC power supply through the starting mechanism; the fire extinguishing agent delivery pipeline is arranged on both sides of the carriage, and the fire extinguishing agent delivery pipeline is provided with fine mist or water mist nozzles; There are multiple nozzles on the fire extinguishing agent delivery pipelines on both sides of the arrangement, and the nozzles on the two sides are staggered from each other; at least one of the nozzles on the fire extinguisher delivery pipeline is set on the fuel tank or gas cylinder The nozzle faces the above-mentioned fuel tank or gas cylinder; the water pump is an AC water pump, and its control part is electrically connected to the vehicle-mounted DC power supply through an inverter. 4. The public transport vehicle with a fire safety protection system according to claim 3, wherein the starting mechanism is arranged in the driver's cab and is electrically connected to the inverter through a control line.

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