CN205391510U - Special fire extinguishing systems in public transport passenger cabin - Google Patents

Abstract

The utility model relates to a special fire extinguishing system for passenger cabins of public transport, which comprises a fire extinguishing agent tank assembly, an operation panel, a fire extinguishing agent conveying pipe and a nozzle, and a plurality of fire extinguishing agent tank assemblies are respectively fixed on the tail and side of the carriage The operation panel is fixed on the operation table next to the driver, and the fire extinguishing agent tank assembly includes a fire extinguisher storage tank, a quick start valve and an intelligent controller. The utility model has the advantages of adopting a super-large-capacity new water-based special fire extinguishing medium, which has good fire extinguishing effect, super flame retardancy, non-toxic and harmless to the human body, non-irritating, green and environmentally friendly, and can absorb about 70% of the smoke in the fire. , enhance the visibility of the fire site, the sprayed object has no residue after being washed or wiped with water, high reliability, self-inspection alarm, etc., can quickly reduce a large amount of heat in the burning area, and can also reduce the concentration of oxygen on the surface of the burning object , to achieve rapid fire extinguishing and prevent re-ignition.

Description

A dedicated fire extinguishing system for passenger compartments of public transport

technical field

The utility model relates to the field of emergency rescue and fire protection, in particular to a special fire extinguishing system for passenger cabins of public transportation.

Background technique

In recent years, there have been frequent fire accidents in public transportation, especially urban buses. There are terrorists intentionally igniting fires, artificial arson for various reasons to retaliate against social dissatisfaction, and accidental fires in passenger cabins, resulting in a large number of casualties. Therefore, It is particularly important to extinguish the fire at the first time after a fire accident occurs in the carriage, so as to prevent or delay the rapid spread of the fire and obtain valuable time for passengers to escape quickly. Since most of the fire sources are caused from the ground and burn from bottom to top, the arrangement of the fire extinguishing nozzles of this utility model is set up and down, and the quick start valve and special fire extinguishing agent are adopted, which can directly extinguish the fire from the root of the fire source. There is no special fire extinguishing system for the passenger cabin of public transport in the world.

Utility model content

The purpose of the utility model is to overcome the shortcomings of the prior art and provide a safe and reliable special fire extinguishing system for passenger compartments of public transport.

The purpose of this utility model is achieved through the following technical solutions: a special fire extinguishing system for public transport passenger cabins, including a fire extinguishing agent tank assembly, an operation panel, a fire extinguishing agent delivery pipeline and a nozzle, and a plurality of fire extinguishing agent tank assemblies are respectively fixed On the rear and side of the compartment, the operation panel is fixed on the console next to the driver. The fire extinguishing agent tank assembly includes a fire extinguisher storage tank, a quick-start valve and an intelligent controller. The outlet of the fire extinguisher storage tank is equipped with a quick-start valve. , the control end of the quick-start valve is connected to the intelligent controller through a control cable, the operation panel is connected to the intelligent controller through a control cable, the outlet of the quick-start valve is connected to one end of the fire extinguishing agent delivery pipeline, and the other end of the fire extinguisher delivery pipeline A shower head is connected, and there are a plurality of shower heads, which are respectively installed under the seat inside the compartment and on the top inside the compartment.

The operation panel is provided with a voice alarm, an indicator light and a fire extinguishing button.

The indicator lights include a power indicator light, a fire extinguisher tank low pressure alarm indicator light and a fire extinguisher tank injection indicator light.

The quick-start valve includes a valve body and an electrical-gas fitting, the electrical-gas fitting is installed on the top of the valve body, and the control end of the electrical-gas fitting is connected to an intelligent controller, and the inner side of the upper part of the valve body The piston is installed in sliding fit, the piston rod is fixed under the piston, the lower end of the piston rod is fixed with a plug, the piston rod extends into the lower part of the valve body, the bottom end of the valve body is installed with a joint, and the inside of the joint is a ladder with a stepped surface A return spring is installed on the step surface, and the upper end of the return spring presses on the plug. The lower part of the valve body is also provided with a fire extinguishing agent channel, which communicates with the stepped hole.

One side of the valve body is provided with a pressure gauge, and the other side is provided with a low pressure alarm sensor, which is connected to the intelligent controller, and a locking pin assembly is also provided on the side wall of the valve body. The side wall of the piston rod is provided with an annular groove that can cooperate with the locking pin assembly. When locking, the locking pin assembly is inserted into the annular groove.

The fire extinguisher storage tank is mainly composed of a tank body, a suction pipe, a driving gas and a fire extinguishing agent. The suction pipe extends from the upper end of the tank body to the lower end of the tank body. The suction pipe communicates with the fire extinguishing agent channel, and the driving gas is stored in the upper part of the tank body , The fire extinguishing agent is stored in the lower part of the tank.

The fire extinguishing agent delivery pipeline is a temperature-resistant and pressure-resistant pipeline.

The utility model has the following advantages:

1. The driver presses the fire extinguishing switch on the operation panel to simultaneously activate the electric gas-generating components on multiple fire extinguishers, instantly generate strong air pressure to open the valves of multiple fire extinguishers, and multiple nozzles automatically spray fire extinguishing agent at the same time to extinguish the fire.

2. The utility model adopts a new type of water-based special fire extinguishing medium with super large capacity, which is super flame retardant, can quickly reduce a large amount of heat in the combustion area, and can also reduce the concentration of oxygen on the surface of the burning object, realize rapid fire extinguishing, and prevent reburning .

3. When the utility model is extinguishing a fire, it can start quickly at the first time, prevent or delay the rapid spread of the fire, gain valuable time for the passengers to escape quickly, and minimize the loss of the accident.

4. The fire extinguisher of the present invention also has a low-pressure alarm function, that is, when the pressure in the fire extinguisher tank is insufficient, the system will alarm to remind the driver to repair in time.

5. The utility model is simple to install and easy to use. After receiving the electric signal, the electricity-generating gas assembly starts to generate strong air pressure instantly, pushing the piston and the piston rod to move downward. At the same time, the locking pin assembly locks the piston rod, and the piston rod moves toward the When moving down, push the plug to move down, thereby opening the valve, so that the fire extinguishing agent can be sprayed out quickly under the action of the driving gas, the function is reliable, and it can protect the safe operation of public vehicles.

Description of drawings

Fig. 1 is the overall installation structure schematic diagram of the present utility model;

Fig. 2 is a schematic diagram of the main structure of the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of a quick-start valve;

Fig. 4 is another cross-sectional structural schematic diagram of the quick-start valve;

Figure 5 is a schematic diagram of the internal structure of the fire extinguisher storage tank;

In the figure: 1-compartment, 2-fire extinguishing agent tank assembly, 3-operation panel, 4-control cable, 5-fire extinguishing agent delivery pipe, 6-nozzle, 7-fire extinguishing agent, 8-fire extinguisher storage tank, 9 -Quick start valve, 10-Intelligent controller, 11-Valve body, 12-Electric gas generating assembly, 13-Piston, 14-Piston rod, 15-Plug, 16-Joint, 17-Return spring, 18-Fire extinguishing Agent channel, 19-pressure gauge, 20-low pressure alarm sensor, 21-lock pin assembly, 22-tank, 23-suction tube, 24-driving gas.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

As shown in Figure 1, a special fire extinguishing system for the passenger compartment of public transport includes a fire extinguishing agent tank assembly 2, an operation panel 3, a fire extinguishing agent delivery pipeline 5 and a nozzle 6, and a plurality of fire extinguishing agent tank assemblies 2 are respectively fixed on On the tail and side of the compartment 1, the operation panel 3 is fixed on the console next to the driver, as shown in Figure 2, the fire extinguishing agent tank assembly 2 includes a fire extinguisher storage tank 8, a quick start valve 9 and an intelligent controller 10 , the outlet of the fire extinguisher storage tank 8 is equipped with a quick-start valve 9, the control end of the quick-start valve 9 is connected to the intelligent controller 10 through the control cable 4, the operation panel 3 is connected to the intelligent controller 10 through the control cable 4, and the quick-start The outlet of valve 9 is connected with one end of fire extinguishing agent delivery pipeline 5, and the other end of fire extinguishing agent delivery pipeline 5 is connected with shower nozzle 6, and shower nozzle 6 is a plurality of, and is respectively installed in the below of compartment 1 inner seat and compartment 1 inner top.

Further, the operation panel 3 is provided with a voice alarm, an indicator light, and a fire extinguishing button.

Further, the indicator lights include a power indicator light, a fire extinguisher tank low pressure alarm indicator light and a fire extinguisher tank ejection indicator light.

Further, as shown in Fig. 3 and Fig. 4, the quick start valve 4 includes a valve body 11 and an electric gas fitting 12, the electric gas fitting 12 is installed on the top of the valve body 11, and the electric generating The control end of the gas fitting 12 is connected with the intelligent controller 5, the upper inner side of the valve body 11 is slidingly fitted with a piston 13, the piston rod 14 is fixed below the piston 13, the lower end of the piston rod 14 is fixed with a plug 15, and the piston rod 14 extends into the lower part of the valve body 11, the bottom end of the valve body 11 is equipped with a joint 16, the inside of the joint 16 is a stepped hole with a stepped surface, and a return spring 17 is installed on the stepped surface, and the upper end of the return spring 17 presses On the plug 15, the lower part of the valve body 11 is also provided with a fire extinguishing agent channel 18, which communicates with the stepped hole.

Further, one side of the valve body 11 is provided with a pressure gauge 19, and the other side is provided with a low pressure alarm sensor 20, the low pressure alarm sensor 20 is connected to the intelligent controller 5, and the side wall of the valve body 11 is A locking pin assembly 21 is also provided on the piston rod 14. An annular groove that can cooperate with the locking pin assembly 21 is provided on the side wall of the piston rod 14. When locking, the locking pin assembly 21 is inserted into the annular groove.

Further, as shown in Figure 5, the fire extinguisher storage tank 3 is mainly composed of a tank body 22, a suction pipe 23, a driving gas 24 and a fire extinguishing agent 7, and the suction pipe 23 extends from the upper end of the tank body 22 into the bottom of the tank body 22. At the lower end, the suction pipe 23 communicates with the fire extinguishing agent channel 18 , the driving gas 24 is stored in the upper part of the tank body 22 , and the fire extinguishing agent 7 is stored in the lower part of the tank body 22 . Further, the fire extinguishing agent delivery pipeline 5 is a temperature-resistant and pressure-resistant pipeline.

The working process of the utility model is as follows: when a fire occurs in the compartment 1, the driver presses the fire extinguishing button on the operation panel 3 to transmit the signal to the intelligent controller 10, and the intelligent controller 10 sends an opening command to the quick start valve 9, The electricity-generating-gas assembly 12 starts after receiving the electric signal, and instantly generates strong air pressure, pushing the piston 13 and the piston rod 14 to move downwards, and at the same time, the locking pin assembly 21 locks the piston rod 13, and pushes the piston rod 13 to block when it moves downwards. The head 15 moves downward, thereby opening the valve, so that the fire extinguishing agent 7 is quickly sprayed from the fire extinguishing agent channel 18 through the suction pipe 23 to the fire extinguishing agent delivery pipeline 5 under the action of the driving gas 24, and the fire extinguishing agent 7 is delivered to the nozzle 6 for spraying , to extinguish the fire. When the low pressure alarm sensor 20 detects that the pressure in the valve body 11 is low, it transmits a signal to the intelligent controller 10 , and the intelligent controller 10 sends an alarm to the operation panel 3 .

Claims (7)

1. null1. the special fire extinguishing system of public transport passenger compartment，It is characterized in that: include extinguishing chemical tank body assembly (2)、Guidance panel (3)、Extinguishing chemical conveyance conduit (5) and shower nozzle (6)，Multiple extinguishing chemicals tank body assembly (2) are separately fixed on afterbody and the side in compartment (1)，Guidance panel (3) is fixed on the operating board on driver side，Described extinguishing chemical tank body assembly (2) includes fire extinguisher storage tank (8)、Quickly start valve (9) and intelligent controller (10)，The outlet of fire extinguisher storage tank (8) is provided with and quickly starts valve (9)，The control end quickly starting valve (9) is connected by controlling cable (4) with intelligent controller (10)，Guidance panel (3) is connected by controlling cable (4) with intelligent controller (10)，One end of the outlet and extinguishing chemical conveyance conduit (5) that quickly start valve (9) is connected，The other end of extinguishing chemical conveyance conduit (5) is connected to shower nozzle (6)，Shower nozzle (6) is for multiple，And it is separately mounted to lower section and compartment (1) inside top of compartment (1) inboard seat.
2. 2. a kind of special fire extinguishing system of public transport passenger compartment according to claim 1, it is characterised in that: described guidance panel (3) is provided with audio alert, display lamp, fire button.
3. 3. a kind of special fire extinguishing system of public transport passenger compartment according to claim 2, it is characterised in that: described display lamp includes power supply indicator, fire extinguisher tank low pressure alarm lamp and fire extinguisher tank injection display lamp.
4. null4. a kind of special fire extinguishing system of public transport passenger compartment according to claim 1，It is characterized in that: the described valve (9) that quickly starts includes valve body (11) and electricity aerogenesis component (12)，Described electricity aerogenesis component (12) is arranged on the top of valve body (11)，And the control end of electricity aerogenesis component (12) is connected with intelligent controller (10)，The upper inner of valve body (11) has been slidably installed piston (13)，The lower section of piston (13) is fixed with piston rod (14)，The lower end of piston rod (14) is fixed with plug (15)，Piston rod (14) stretches into the bottom of valve body (11)，The bottom of valve body (11) is provided with joint (16)，The inside of joint (16) is the shoulder hole with step surface，Described step surface is provided with back-moving spring (17)，The top, upper end of back-moving spring (17) is pressed on plug (15)，The bottom of valve body (11) is additionally provided with extinguishing chemical passage (18)，Extinguishing chemical passage (18) connects with described shoulder hole.
5. 5. a kind of special fire extinguishing system of public transport passenger compartment according to claim 4, it is characterized in that: the side of described valve body (11) is provided with Pressure gauge (19), opposite side is provided with low-pressure alarm sensor (20), low-pressure alarm sensor (20) is connected with intelligent controller (10), the sidewall of described valve body (11) is additionally provided with locking pin assembly (21), the sidewall of described piston rod (14) is provided with the cannelure that can coordinate with locking pin assembly (21), during locking, locking pin assembly (21) inserts in described cannelure.
6. 6. a kind of special fire extinguishing system of public transport passenger compartment according to claim 1, it is characterized in that: described fire extinguisher storage tank (8) is main to be made up of tank body (22), suction pipe (23), driving gas (24) and extinguishing chemical (7), described suction pipe (23) stretches into the lower end of tank body (22) from the upper end of tank body (22), suction pipe (23) connects with extinguishing chemical passage (18), driving gas (24) to be stored in the top of tank body (22), extinguishing chemical (7) is stored in the bottom of tank body (22).
7. 7. a kind of special fire extinguishing system of public transport passenger compartment according to claim 1, it is characterised in that: described extinguishing chemical conveyance conduit (5) is heat resisting and pressure resisting pipeline.