Gas fire extinguishing system device of air-conditioning generator car
By designing a gaseous fire suppression system on the air-conditioning generator truck and using heptafluoropropane and infrared/ultraviolet flame detectors, efficient and rapid fire suppression is achieved, solving the problem that existing fire suppression devices are not suitable and making it applicable to the special environment of the air-conditioning generator truck.
Patent Information
- Application Number
- CN202422983601.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing fire extinguishing devices are not suitable for air-conditioned generator trucks and cannot effectively address their fire risks, especially given the special electrical environment of the generator room.
A gas fire suppression system for an air-conditioning generator vehicle was designed, including a gas fire suppression unit, a detection unit, a sealing unit, a control unit, and an alarm unit. Heptafluoropropane is used as the fire extinguishing agent. Combined with an infrared and ultraviolet flame detector and an ambient temperature sensor, the system is designed to achieve automatic and manual control through circuit connections.
It improves fire extinguishing efficiency, reduces the amount of fire-fighting agents used, lowers the risk of false alarms, is suitable for the fire extinguishing needs of air-conditioning generator trucks, and ensures rapid and effective fire handling.
Smart Images

Figure CN223668516U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of air conditioner generating car, concretely relates to an air conditioner generating car gas fire extinguishing system device. BACKGROUND
[0002] Locomotive fire is one of the biggest safety hazards of railway department, according to statistics, the direct loss of locomotive fire every year is as high as hundreds of millions, and the case of personnel casualty is not few, it not only threatens the safety of railway operation, but also seriously damages the reputation of railway transportation. Air conditioner generating car is a car for providing power supply for passenger train, including generator room with generator, transformer and other power generation equipment, control room of resident duty personnel and heat dissipation room. Generator room is the area prone to fire in train, but due to the particularity of electrical environment, it is not suitable for conventional fire extinguishing device.
[0003] For example, the alarm and fire extinguishing schemes disclosed in the utility models with the application number "201720289456.3" and the name "Railway Locomotive Smoke Alarm Device", the application number "201720290401.4" and the name "Locomotive Fire Extinguishing Device", and the applicant "Zhuzhou Haixiang Railway Locomotive Accessories Co., Ltd.", are not suitable for fire treatment of air conditioner generating car. CONTENT OF UTILITY MODEL
[0004] In order to solve the problem that the existing fire extinguishing device is not suitable for air conditioner generating car, the utility model provides an air conditioner generating car gas fire extinguishing system device for solving the above problems.
[0005] An air conditioner generating car gas fire extinguishing system device is arranged in an air conditioner generating car, the air conditioner generating car includes heat dissipation room, generator room and control room arranged in sequence, the air conditioner generating car gas fire extinguishing system device includes gas fire extinguishing unit arranged in the heat dissipation room, detection unit and closing unit arranged in the generator room, and control unit and alarm unit arranged in the control room; the output end of the gas fire extinguishing unit penetrates through the compartment wall into the generator room, and the control unit is connected with the gas fire extinguishing unit, the detection unit, the closing unit and the alarm unit through circuit.
[0006] In a preferable embodiment of the air conditioner generating car gas fire extinguishing system device provided by the utility model, a door closer is arranged on the compartment door between the heat dissipation room and the generator room.
[0007] In a preferable embodiment of the air conditioner generating car gas fire extinguishing system device provided by the utility model, a plurality of louver windows communicating inside and outside are arranged on both sides of the generator room, and the closing unit is arranged on the inner side of each louver window.
[0008] In a preferred embodiment of the air-conditioning generator car gas fire extinguishing system device provided by the utility model, the gas fire extinguishing unit comprises one or more heptafluoropropane cylinders which are fixed on the compartment wall of the heat dissipation room through a support, the bottle opening is provided with a solenoid valve, the solenoid valve is connected with a pipeline which penetrates into the generator room and is provided with a spray head; the spray head is fixed on the compartment wall of the generator room through a support.
[0009] In a preferred embodiment of the air-conditioning generator car gas fire extinguishing system device provided by the utility model, the detection unit comprises one or more flame detectors and one or more temperature sensors.
[0010] In a preferred embodiment of the air-conditioning generator car gas fire extinguishing system device provided by the utility model, the alarm unit comprises an audible and visual alarm and a warning light, and the warning light is arranged at the compartment door between the control room and the generator room.
[0011] In a preferred embodiment of the air-conditioning generator car gas fire extinguishing system device provided by the utility model, the control unit comprises a fire extinguishing host and a start-stop controller, and the fire extinguishing host is connected with the solenoid valve, the flame detector, the temperature sensor, the sealing unit, the start-stop controller, the audible and visual alarm and the warning light through a circuit.
[0012] Compared with the prior art, the air-conditioning generator car gas fire extinguishing system device provided by the utility model has the following beneficial effects:
[0013] 1. The utility model adopts heptafluoropropane as the fire extinguishing agent, and the fire extinguishing concentration is much lower than that of carbon dioxide and mixed gas. The fire extinguishing efficiency is high, the amount of the agent is small, the fire extinguishing time is short, and the utility model is suitable for the fire extinguishing demand on the air-conditioning generator car.
[0014] 2. The utility model sets a normally closed door closer between the heat dissipation room and the generator room, and sets a sealing unit on the louver. In case of fire, the generator room can be quickly sealed, the fire extinguishing processing efficiency is improved, and the utility model is suitable for the fire extinguishing demand on the air-conditioning generator car.
[0015] 3. The utility model simultaneously adopts a red ultraviolet flame detector and an environmental temperature sensor to monitor the environment of the generator room, avoids the defect of being easily disturbed, reduces the false alarm, quickly completes the functions of flame identification and fire detection, and is suitable for the fire extinguishing demand on the air-conditioning generator car.
[0016] 4. The utility model adopts a systematic design combining automatic alarm and manual control, the device of the systematic design can avoid false start, and is suitable for the fire extinguishing demand on the air-conditioning generator car. DRAWINGS
[0017] Fig. 1 is a layout schematic view of the air-conditioning generator car gas fire extinguishing system device;
[0018] Fig. 2 is the layout schematic diagram of the air-conditioned power car gas fire extinguishing system device in the control room;
[0019] Fig. 3 is the structure schematic diagram of the air-conditioned power car gas fire extinguishing system device.
[0020] The figure mark: heat dissipation room 1, generator room 2, generator 21, louver 22, control room 3, observation window 31, door 4, gas fire extinguishing unit 5, gas cylinder 51, electromagnetic valve 52, gas pipe 53, nozzle 54, door closer 6, detection unit 7, red ultraviolet flame detector 71, ambient temperature sensor 72, closed unit 8, control unit 9, fire extinguishing host 91, start-stop controller 92, alarm unit 10, audible and visual alarm 101, gas release forbidden light 102. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all the embodiments.
[0022] Please refer to Figs. 1 to 3 , respectively, the layout schematic diagram of the air-conditioned power car gas fire extinguishing system device in the air-conditioned power car, the layout schematic diagram in the control room, and the structure schematic diagram of the air-conditioned power car gas fire extinguishing system device alone provided by the utility model.
[0023] The air-conditioned power car comprises heat dissipation room 1, generator room 2 and control room 3 arranged in sequence. Heat dissipation room 1 is the tail end, and control room 3 is the front end, which is taken as the reference system.
[0024] The door 4 is arranged at the position of the left side of the compartment wall between heat dissipation room 1, generator room 2 and control room 3. The generator 21 is arranged in the generator room 2. The observation window 31 is arranged at the position of the left side of the compartment wall between the generator room 2 and the control room 3.
[0025] In the generator room 2, in addition to the conventional light window (not drawn in the drawing), a plurality of louver 22 for heat dissipation are arranged, wherein two are arranged on the left side and three are arranged on the right side.
[0026] The air-conditioned power car gas fire extinguishing system device comprises the gas fire extinguishing unit 5, the door closer 6, the detection unit 7, the closed unit 8, the control unit 9 and the alarm unit 10.
[0027] The gas fire extinguishing unit 5 comprises a gas cylinder 51, an electromagnetic valve 52 and a spray head 53 arranged in sequence. According to the layout characteristics of the internal space of the power car, the gas cylinder 51 adopts a cabinet type structure of a heptafluoropropane gas cylinder, is installed on a compartment wall of the heat dissipation room 1 close to the generator room 2, is located at a position below the radiator group on the left side of the compartment door 4. The gas cylinder 51 contains 70 kg of heptafluoropropane as a fire extinguishing agent.
[0028] The outlet of the gas cylinder 51 is provided with the electromagnetic valve 52, a gas pipe and the spray head in sequence, the gas pipe penetrates into the generator room 2, and the spray head 53 is installed on the compartment wall of the generator room 2.
[0029] A door closer 6 is arranged on the compartment door 4 between the heat dissipation room 1 and the generator room 2, and is kept closed.
[0030] The detection unit 7 comprises three sets of red ultraviolet flame detectors 71 and one set of ambient temperature sensors 72. The three sets of red ultraviolet flame detectors 71 are arranged on the right side of the generator room 2 and are located above the three louver windows 22 respectively, and the one set of ambient temperature sensors 72 is arranged on the right side of the generator room 2 and is located above the middle louver window 22.
[0031] The inner side of the louver window 22 is provided with a sealing unit 8, and the sealing unit 8 is an electric fireproof roller shutter. The opening and closing of the louver window 22 is realized based on the lifting of the signal of the control unit 9.
[0032] The control unit 9 comprises a fire extinguishing host 91 and a start-stop controller 92. The fire extinguishing host 91 is arranged on a compartment wall of the control room 3 close to the generator room 2 and is located above the left side of the observation window 31. The start-stop controller 92 is arranged on the same compartment wall and is located between the observation window 31 and the compartment door 4.
[0033] The alarm unit 10 comprises an audible and visual alarm 101 and a gas release prohibited lamp 102. The audible and visual alarm 101 is located beside the start-stop controller 92. The gas release prohibited lamp 102 is arranged on a compartment wall of the control room 3 close to the generator room 2 and is located above the compartment door 4.
[0034] The fire extinguishing host 91 is connected with the electromagnetic valve 52, the red ultraviolet flame detector 71, the ambient temperature sensor 72, the sealing unit 8, the start-stop controller 92, the audible and visual alarm 101 and the gas release prohibited lamp 102 through a circuit.
[0035] The electromagnetic valve 52 controls the opening and closing of the gas cylinder 51 based on the signal of the fire extinguishing host 91, and monitors the gas pressure of the gas cylinder 51 and feeds back to the fire extinguishing host 91.
[0036] The red ultraviolet flame detector 71 detects the UV185-260nm narrow spectrum signal of the flame, and the ambient temperature sensor 72 detects the ambient temperature and feeds back to the fire extinguishing host 91.
[0037] The control principle of the air-conditioning power car gas fire extinguishing system device is as follows:
[0038] When the data feedback to the fire extinguishing host 91 by the red ultraviolet flame detector 71 and the ambient temperature sensor 72 is abnormal, the fire extinguishing host 91 controls the sound-light alarm 101 to start. The attendant judges whether to start the fire extinguishing system through the data displayed by the fire extinguishing host 91 and the observation window 31.
[0039] After confirmation, the attendant presses the start button in the start-stop controller 92. After receiving the start signal from the start-stop controller 92, the fire extinguishing host 91 controls the electromagnetic valve 52 to open, the closing unit 8 to close and the gas exhaust lamp 102 to open at the same time.
[0040] After the fire is extinguished, the attendant presses the stop button in the start-stop controller 92. After receiving the stop signal from the start-stop controller 92, the fire extinguishing host 91 controls the electromagnetic valve 52 to close, the closing unit 8 to open and the gas exhaust lamp 102 to close at the same time.
[0041] At the same time, the fire extinguishing host 91 records the fire event and sends the state information of the fire extinguishing host 91, the red ultraviolet flame detector 71 and the ambient temperature sensor 72 and the train number information to the ground station through the 4G network for real-time monitoring.
[0042] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process transformation according to the content of the present application, or direct or indirect application in other related technical fields, are all included in the patent protection range of the present application.
Claims
1. An air-conditioned power car gas fire extinguishing system device, which is arranged in an air-conditioned power car, the air-conditioned power car comprising a heat dissipation room, a generator room and a control room arranged in sequence, characterized in that: The gas fire extinguishing unit is arranged in the heat dissipation room, the detection unit and the closing unit are arranged in the generator room, and the control unit and the alarm unit are arranged in the control room; the output end of the gas fire extinguishing unit penetrates through the compartment wall to the inside of the generator room, and the control unit is connected with the gas fire extinguishing unit, the detection unit, the closing unit and the alarm unit through an electric circuit.
2. The air-conditioned vehicle gas fire extinguishing system apparatus according to claim 1, wherein: The door between the heat dissipation room and the generator room is provided with a door closer.
3. The air-conditioned vehicle gas fire extinguishing system apparatus according to claim 1, wherein: The generator room is provided with a plurality of louver windows on both sides, and the closing unit is arranged on the inner side of each louver window.
4. The air conditioning and power car gas fire extinguishing system apparatus according to any one of claims 1 to 3, characterized by: The gas fire extinguishing unit comprises one or more heptafluoropropane gas cylinders, which are fixed on the compartment wall of the heat dissipation room through a support, and the bottle opening is provided with a solenoid valve, the solenoid valve is connected with a pipeline which penetrates into the generator room and is provided with a spray head; the spray head is fixed on the compartment wall of the generator room through a support.
5. The air-conditioned vehicle gas fire extinguishing system apparatus according to claim 4, wherein: The detection unit comprises one or more flame detectors and one or more temperature sensors.
6. The air conditioner generator car gas fire extinguishing system apparatus according to claim 5, characterized by: The alarm unit comprises an audible and visual alarm and a warning light, and the warning light is arranged on the compartment door between the control room and the generator room.
7. The air-conditioned vehicle gas fire extinguishing system apparatus of claim 6, wherein: The control unit comprises a fire extinguishing host and a start-stop controller, and the fire extinguishing host is connected with the solenoid valve, the flame detector, the temperature sensor, the closing unit, the start-stop controller, the audible and visual alarm and the warning light through an electric circuit.
Citation Information
Patent Citations
Smoke alarm device for railroad locomotive
CN206594788U
Locomotive extinguishing device
CN206809567U