CN111632329A - Automatic fire extinguishing method and device - Google Patents
Automatic fire extinguishing method and device Download PDFInfo
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- CN111632329A CN111632329A CN202010522841.4A CN202010522841A CN111632329A CN 111632329 A CN111632329 A CN 111632329A CN 202010522841 A CN202010522841 A CN 202010522841A CN 111632329 A CN111632329 A CN 111632329A
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- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000000779 smoke Substances 0.000 claims abstract description 74
- 230000005611 electricity Effects 0.000 claims abstract description 50
- 239000002131 composite material Substances 0.000 claims abstract description 28
- 239000007921 spray Substances 0.000 claims abstract description 21
- 238000012545 processing Methods 0.000 claims abstract description 14
- 238000001514 detection method Methods 0.000 claims description 16
- 229910000743 fusible alloy Inorganic materials 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000005507 spraying Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/02—Nozzles specially adapted for fire-extinguishing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
- B61L15/00—Indicators provided on the vehicle or train for signalling purposes
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- 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
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- General Physics & Mathematics (AREA)
- Fire Alarms (AREA)
- Fire-Extinguishing By Fire Departments, And Fire-Extinguishing Equipment And Control Thereof (AREA)
Abstract
The invention relates to an automatic fire extinguishing method and device, wherein the method comprises the following steps: the first smoke temperature composite detector detects the temperature and smoke concentration of the detected area, generates first temperature data and smoke concentration data and sends the first temperature data and smoke concentration data to the alarm host; the alarm host machine carries out judgment processing according to the first temperature data and/or the smoke concentration data and outputs an alarm signal to a train control system of the train according to a judgment processing result; the train control system searches an electromagnetic valve ID of a first temperature and electricity double-control electromagnetic valve corresponding to the first smoke temperature composite detector according to the detector ID, and sends the electromagnetic valve ID and a received electromagnetic valve control opening instruction to the first temperature and electricity double-control electromagnetic valve; the first temperature and electricity double-control electromagnetic valve is opened according to an electromagnetic valve control opening instruction, and a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the first temperature and electricity double-control electromagnetic valve is located so as to automatically extinguish a fire in a detected area. The invention is used for automatic fire extinguishing of electrified devices such as electrical cabinets and the like.
Description
Technical Field
The invention relates to the technical field of fire fighting, in particular to an automatic fire extinguishing method and device.
Background
With the continuous acceleration of the urbanization process of China, the urban population is continuously increased, the urban traffic is increasingly crowded, in order to solve the series of problems, the nation sets up a policy for vigorously developing public traffic, and promotes the development of various public traffic utilities through various macro regulation and control policies. Over the years of effort, trains have become a key component in transportation. However, the internal space of the train is narrow, the personnel and the equipment are highly concentrated, and the personnel escape and rescue are inconvenient. Once a fire disaster occurs, the fire disaster is stopped untimely, and the consequences are serious.
The existing fire extinguishing device mainly comprises a water extinguishing device and a medium extinguishing device. Because the train is internally provided with an electric cabinet, the fire can not be extinguished by adopting the traditional water fire-fighting device. Even in the power failure state, the water fire-fighting device is easy to cause secondary damage to electrical equipment when used for fire extinguishing, so that economic loss is caused.
Although the medium fire extinguishing device can extinguish fire, the fire cannot be found in time, the response time is long after the fire is found, and the safety of personnel in the train is influenced. In addition, the medium fire extinguisher is in a pressurized state for a long time, so dangerous accidents such as explosion and the like are easy to happen. Therefore, it is necessary to provide a fire extinguishing apparatus and method which can find the fire in time and extinguish the fire spot quickly, and is suitable for the electrical cabinet.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an automatic fire extinguishing method and device, which are used for extinguishing fire of electrified devices such as an electrical cabinet and the like, realize online monitoring of the condition of a designated area, find the fire condition in time, and realize automatic fire extinguishing by combining remote electric control and local temperature control triggering after a fire occurs, so that the ignition point is quickly extinguished, and the economic loss is reduced.
To achieve the above object, in a first aspect, the present invention provides an automatic fire extinguishing method including:
the first smoke temperature composite detector detects the temperature and smoke concentration of a detected area to generate first temperature data and smoke concentration data, and sends the first temperature data and the smoke concentration data to the alarm host; the first temperature data and the smoke concentration data respectively comprise a detector ID of the first smoke temperature composite detector;
the alarm host machine carries out judgment processing according to the first temperature data and/or the smoke concentration data and outputs an alarm signal to a train control system of the train according to a judgment processing result; the alarm signal carries information of the detector ID;
the train control system searches an electromagnetic valve ID of a first temperature and electricity double-control electromagnetic valve corresponding to the first smoke temperature composite detector according to the detector ID, and sends the electromagnetic valve ID and a received electromagnetic valve control opening instruction to the first temperature and electricity double-control electromagnetic valve;
the first temperature and electricity double-control electromagnetic valve is opened according to the electromagnetic valve control opening instruction, and a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the first temperature and electricity double-control electromagnetic valve is located, so that automatic fire extinguishing is carried out on the detected area.
Preferably, the automatic fire extinguishing method further comprises:
the self-triggering device arranged on the first temperature and electricity double-control electromagnetic valve senses the temperature of the detected area; when the temperature exceeds a first preset temperature threshold value, the self-triggering device controls the first temperature-electricity double-control electromagnetic valve to be opened, and a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the first temperature-electricity double-control electromagnetic valve is located so as to automatically extinguish a fire in the detected area.
Preferably, the outputting, by the alarm host, an alarm signal to a train control system of the train according to the first temperature data and/or the smoke concentration data specifically includes:
and when the first temperature data exceeds a second preset temperature threshold and/or the smoke concentration exceeds a preset concentration threshold, the alarm host outputs an alarm signal to the train control system.
Preferably, after the first temperature data and the smoke concentration data are sent to an alarm host, the automatic fire extinguishing method further comprises the following steps:
and the alarm host sends the first temperature data and the smoke concentration data to the train control system.
Preferably, the automatic fire extinguishing method further comprises:
the pressure detection device detects pressure data of a fire bottle in the fire box and sends the pressure data to the alarm host;
and the alarm host machine determines the state information of the fire bottle according to the pressure data and a preset pressure threshold value and sends the state information to the train control system.
In a second aspect, an automatic fire extinguishing apparatus for implementing the automatic fire extinguishing method described above, the automatic fire extinguishing apparatus includes: the device comprises a smoke temperature composite detector, an alarm host, a fire box, a temperature and electricity double-control electromagnetic valve, a pipeline and a spray head;
the fire fighting box is connected with the pipeline, the temperature and electricity double-control electromagnetic valve is arranged on the pipeline, and the spray head is arranged at the tail end of the pipeline where the temperature and electricity double-control electromagnetic valve is arranged; the smoke temperature composite detector is arranged on the fire box and is connected with the alarm host; the alarm host is also electrically connected with the temperature electric double-control electromagnetic valve;
the smoke temperature composite detector is used for detecting the temperature and smoke concentration of a detected area, generating temperature data and smoke concentration data and sending the temperature data and the smoke concentration data to the alarm host; the temperature data and the smoke concentration data respectively comprise detector IDs of the smoke temperature composite detectors;
the alarm host is used for judging and processing according to the temperature data and/or the smoke concentration data and outputting an alarm signal to a train control system of the train according to a judgment and processing result; the alarm signal carries information of the detector ID; the train control system searches the electromagnetic valve ID of the temperature and electricity double-control electromagnetic valve corresponding to the smoke temperature composite detector according to the detector ID, and sends the electromagnetic valve ID and a received electromagnetic valve control opening instruction to the temperature and electricity double-control electromagnetic valve;
the temperature and electricity double-control electromagnetic valve is used for receiving the opening instruction controlled by the electromagnetic valve and opening the opening instruction controlled by the electromagnetic valve, so that a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the temperature and electricity double-control electromagnetic valve is located, and the detected area is automatically extinguished.
Preferably, the automatic fire extinguishing apparatus further comprises: a pressure detection device;
the pressure detection device is arranged on a fire fighting bottle in the fire box and is connected with the alarm host;
the pressure detection device is used for detecting pressure data of a fire bottle in the fire box and sending the pressure data to the alarm host.
Preferably, the fire hose includes: the fire-fighting box comprises a fire-fighting box body, a fire-fighting bottle valve, a bottle body fixing frame and a bottle mouth fixing frame;
the fire bottle is vertically arranged in the fire box body and is used for containing a fire extinguishing medium; the fire-fighting bottle valve is arranged at the bottle opening of the fire-fighting bottle and is used for controlling the medium in the fire-fighting box to enter and exit; the body mount encloses the body of fire control bottle, the bottleneck mount encloses and establishes the bottleneck of fire control bottle, the body mount with the bottleneck mount is used for jointly fixing the fire control bottle.
The automatic fire extinguishing method and the automatic fire extinguishing device provided by the embodiment of the invention are used for extinguishing fire of electrified devices such as an electrical cabinet and the like, realizing online monitoring of the condition of a designated area, finding out the fire in time, and realizing automatic fire extinguishing by combining remote electric control and local temperature control triggering after a fire disaster occurs, thereby quickly extinguishing the ignition point and reducing economic loss.
Drawings
FIG. 1 is a flow chart of a method for automatically extinguishing a fire in accordance with an embodiment of the present invention;
fig. 2 is a schematic structural view of an automatic fire extinguishing apparatus according to an embodiment of the present invention.
Detailed Description
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
The automatic fire extinguishing method and the automatic fire extinguishing device provided by the embodiment of the invention are used for extinguishing fire of electrified devices such as an electrical cabinet and the like, realizing online monitoring of the condition of a designated area, finding out the fire in time, and realizing automatic fire extinguishing by combining remote electric control and local temperature control triggering after a fire disaster occurs, thereby quickly extinguishing the ignition point and reducing economic loss.
The automatic fire extinguishing method provided by the invention is realized based on an automatic fire extinguishing device, and fig. 2 is a schematic structural diagram of the automatic fire extinguishing device provided by the embodiment of the invention, and the method comprises the following steps: the fire-fighting box comprises a fire-fighting box 1, a temperature and electricity double-control electromagnetic valve 2, a pipeline 3, a spray head 4, a pressure detection device 5, a smoke temperature composite detector 6 and an alarm host 7.
The automatic fire extinguishing device is mainly used for the electrified fire extinguishing of an electrical cabinet of a train, and the temperature and electricity double-control electromagnetic valve 2, the pipeline 3, the spray head 4 and the smoke temperature composite detector 6 are all arranged in the electrical cabinet. The fire box 1 can be placed in the electrical cabinet or outside the electrical cabinet, and is determined according to the capacity of the electrical cabinet. Normally, several electrical cabinets of a train are adjacent to each other, the fire box 1 is placed in one electrical cabinet with the largest space, and accordingly, the fire extinguishing medium provided by the fire box 1 is used for automatic fire extinguishing of the several adjacent electrical cabinets.
The connection relationship of the respective components of the automatic fire extinguishing apparatus is explained below.
The fire-fighting box 1 is connected with the pipeline 3, the temperature and electricity double-control electromagnetic valve 2 is arranged on the pipeline 3, and the spray head 4 is arranged at the tail end of the pipeline 3 where the temperature and electricity double-control electromagnetic valve 2 is located.
The temperature and electricity double-control electromagnetic valve 2 is used for receiving an opening instruction controlled by the electromagnetic valve and opening the opening instruction controlled by the electromagnetic valve, so that a medium in the fire box 1 is sprayed out through a spray head 4 arranged on a pipeline 3 where the temperature and electricity double-control electromagnetic valve 2 is located, and the fire box is automatically extinguished.
The pipeline 3 and the spray head 4 can be arranged according to the arrangement condition and the space size of components in the electrical cabinet. For example, when the components in the electrical cabinet are arranged closely and the heat source points are dispersed, it is preferable to uniformly lay the pipeline 3 in the electrical cabinet and install a plurality of unidirectional nozzles facing the plurality of heat source points. The single spraying direction of each one-way spray head is beneficial to quickly extinguishing a plurality of heat source points at the same time. When the components in the electrical cabinet are loosely arranged and the space in the electrical cabinet is small, a single pipeline 3 is preferably laid and an omnidirectional nozzle is installed in a matching manner. The omnidirectional spray head has comprehensive spraying direction and is more suitable for an electrical cabinet with small space.
Wherein, fire hose 1 includes: the fire-fighting box comprises a fire-fighting box body, a fire-fighting bottle valve, a bottle body fixing frame and a bottle mouth fixing frame (not shown in the figures). The fire bottle is vertically arranged in the fire box body and is used for containing fire extinguishing media. The fire bottle valve is arranged at the bottle mouth of the fire bottle and used for controlling the medium in the fire box 1 to enter and exit. The body mount encloses the body of establishing the fire control bottle, and the bottleneck mount encloses the bottleneck of establishing the fire control bottle, and body mount and bottleneck mount are used for jointly fixing the fire control bottle.
The pressure detection device 5 is arranged on the fire box 1, is connected with the alarm host 7 and is used for detecting the pressure data of the fire bottle in the fire box 1.
The smoke temperature composite detector 6 is arranged on the fire box 1, is connected with the alarm host 7 and is used for detecting the temperature and smoke concentration in the electrical cabinet where the fire box 1 is located.
The alarm host 7 is also electrically connected with the temperature-electricity double-control electromagnetic valve 2 and is used for judging and processing according to temperature data and/or smoke concentration data in the electrical cabinet and outputting an alarm signal to a train control system 8 of the train according to a judgment and processing result.
Fig. 1 is a flowchart of an automatic fire extinguishing method according to an embodiment of the present invention, which shows a specific flow of automatic fire extinguishing when an electrical cabinet of a train is in a fire.
The invention adopts the temperature-electric double-control electromagnetic valve as a control switch of the fire-fighting box so as to realize two automatic fire-extinguishing methods of temperature control triggering and remote electric control. In this embodiment, two automatic fire extinguishing modes of temperature control triggering and remote electric control can be executed simultaneously.
101, a first smoke temperature composite detector detects the temperature and smoke concentration of a detected area to generate first temperature data and smoke concentration data, and sends the first temperature data and the smoke concentration data to an alarm host;
specifically, in this embodiment, the detected region may be understood as the inside of the electrical cabinet. The first smoke-temperature composite detector detects the temperature and the smoke concentration in the electrical cabinet in real time, and the generated first temperature data and the generated smoke concentration data respectively comprise detector ID of the first smoke-temperature composite detector.
102, sending the first temperature data and the smoke concentration data to a train control system by the alarm host;
specifically, the train control system acquires the temperature and the smoke concentration in the electrical cabinet in real time, and the prevention and the control of fire in the electrical cabinet are realized.
103, judging and processing by the alarm host according to the first temperature data and/or the smoke concentration data, and outputting an alarm signal to a train control system of the train according to a judgment and processing result;
the above steps 103 and 102 may be performed synchronously.
Specifically, when the first temperature data exceeds a second preset temperature threshold and/or the smoke concentration exceeds a preset concentration threshold, the alarm host outputs an alarm signal to the train control system. The alarm signal carries information of the detector ID. The train control system can judge which electrical cabinet is in fire through the alarm signal.
104, searching the electromagnetic valve ID of the first temperature and electricity double-control electromagnetic valve corresponding to the first smoke temperature composite detector according to the detector ID by the train control system, and sending the electromagnetic valve ID and the received electromagnetic valve control opening instruction to the first temperature and electricity double-control electromagnetic valve;
specifically, a smoke temperature composite detector and a temperature and electricity double-control electromagnetic valve are arranged in each electrical cabinet, so that the smoke temperature composite detector and the temperature and electricity double-control electromagnetic valve are in one-to-one correspondence, and the temperature and smoke concentration detected by the smoke temperature composite detector can control the temperature and electricity double-control electromagnetic valve to be opened.
And 105, opening the first temperature and electricity double-control electromagnetic valve according to an electromagnetic valve control opening instruction, and spraying a medium in the fire box through a spray head arranged on a pipeline where the first temperature and electricity double-control electromagnetic valve is located so as to automatically extinguish a fire in a detected area.
Specifically, the temperature and electricity double-control electromagnetic valve is in a normally closed state and can be opened only when an electromagnetic valve control opening instruction is received. After the temperature and electricity double-control electromagnetic valve is opened, a medium in the fire-fighting box is sprayed out through a spray head arranged on a pipeline where the temperature and electricity double-control electromagnetic valve is located, and fire is extinguished on an electrical cabinet where the temperature and electricity double-control electromagnetic valve is located.
In a preferred scheme, the train control system judges the fire level according to the received first temperature data and the received smoke concentration data, and generates the fire extinguishing duration according to the judgment result. The electromagnetic valve control opening instruction sent by the train control system to the thermoelectric double-control electromagnetic valve comprises the duration of fire extinguishing. The temperature and electricity double control electromagnetic valve is opened according to the opening instruction controlled by the electromagnetic valve, and is closed when the starting duration reaches the fire extinguishing duration.
Specifically, the larger the first temperature data is, the larger the smoke concentration data is, the higher the fire level is, and the longer the corresponding fire extinguishing duration is. And applying opening voltage to the temperature and electricity double-control electromagnetic valve through an electromagnetic valve control opening instruction, wherein the duration of the applied voltage is the duration of fire extinguishing.
Further, the first temperature data and the smoke concentration data have a priority when judging the fire level. The smoke concentration data is prioritized over the first temperature data.
The process of remote electric control of the temperature and electricity double-control electromagnetic valve is carried out, and the temperature and electricity double-control electromagnetic valve can also be triggered by temperature control so as to realize automatic fire extinguishing. In this embodiment, the temperature control triggering mode is used as a standby scheme when the remote electronic control fails.
The self-triggering device arranged on the first temperature and electricity double-control electromagnetic valve senses the temperature of the detected area in real time. When the temperature exceeds a first preset temperature threshold value, the self-triggering device controls the first temperature-electricity double-control electromagnetic valve to be opened. The first predetermined temperature threshold is higher than the second predetermined temperature threshold by a predetermined amount. For example, the first preset temperature threshold is 90 ℃ and the second preset temperature threshold is 93 ℃.
Specifically, the self-triggering device can be a fusible alloy arranged on the thermoelectric double-control electromagnetic valve, when the temperature in the electrical cabinet reaches the action temperature of the fusible alloy, the fusible alloy is broken, the thermoelectric double-control electromagnetic valve is opened, and a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the first thermoelectric double-control electromagnetic valve is located, so that the automatic fire extinguishing is carried out on the detected area.
The automatic fire extinguishing method and the device are used for extinguishing fire of electrified devices such as electrical cabinets and the like, the condition of a designated area is monitored on line, the fire is found in time, and the automatic fire extinguishing is realized by combining remote electric control and local temperature control triggering after a fire disaster occurs, so that the ignition point is quickly extinguished, and the economic loss is reduced.
In order to ensure the effectiveness of a fire bottle in the fire box and ensure that the automatic fire extinguishing device can be normally used, the pressure detection device is arranged to detect the pressure data of the fire bottle in the fire box and send the pressure data to the alarm host. The alarm host determines the state information of the fire bottle according to the pressure data and the preset pressure threshold value and sends the state information to the train control system.
Specifically, the normal pressure in the fire bottle is generally 1.2-1.8 MPa. When the pressure detection device cannot detect the pressure data, outputting a fault signal of the pressure detection device to the alarm host; when the pressure data detected by the pressure detection device is less than 1.2MPa, the alarm host outputs an under-voltage signal to the train control system; when the pressure data detected by the pressure detection device is larger than 1.8MPa, the alarm host outputs an overpressure signal to the train control system.
Through the detection, the pressure of the fire bottle in the fire box can be monitored in real time, and the automatic fire extinguishing device can be normally used.
Those of skill would further appreciate that the various illustrative components and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, computer software, or combinations of both, and that the various illustrative components and steps have been described above generally in terms of their functionality in order to clearly illustrate this interchangeability of hardware and software. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
The steps of a method or algorithm described in connection with the embodiments disclosed herein may be embodied in hardware, a software module executed by a processor, or a combination of the two. A software module may reside in Random Access Memory (RAM), memory, Read Only Memory (ROM), electrically programmable ROM, electrically erasable programmable ROM, registers, hard disk, a removable disk, a CD-ROM, or any other form of storage medium known in the art.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (8)
1. An automatic fire extinguishing method, characterized in that it comprises:
the first smoke temperature composite detector detects the temperature and smoke concentration of a detected area to generate first temperature data and smoke concentration data, and sends the first temperature data and the smoke concentration data to the alarm host; the first temperature data and the smoke concentration data respectively comprise a detector ID of the first smoke temperature composite detector;
the alarm host machine carries out judgment processing according to the first temperature data and/or the smoke concentration data and outputs an alarm signal to a train control system of the train according to a judgment processing result; the alarm signal carries information of the detector ID;
the train control system searches an electromagnetic valve ID of a first temperature and electricity double-control electromagnetic valve corresponding to the first smoke temperature composite detector according to the detector ID, and sends the electromagnetic valve ID and a received electromagnetic valve control opening instruction to the first temperature and electricity double-control electromagnetic valve;
the first temperature and electricity double-control electromagnetic valve is opened according to the electromagnetic valve control opening instruction, and a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the first temperature and electricity double-control electromagnetic valve is located, so that automatic fire extinguishing is carried out on the detected area.
2. The automatic fire extinguishing method according to claim 1, further comprising:
the self-triggering device arranged on the first temperature and electricity double-control electromagnetic valve senses the temperature of the detected area; when the temperature exceeds a first preset temperature threshold value, the self-triggering device controls the first temperature-electricity double-control electromagnetic valve to be opened, and a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the first temperature-electricity double-control electromagnetic valve is located so as to automatically extinguish a fire in the detected area.
3. The automatic fire extinguishing method according to claim 1, wherein the alarm host outputs an alarm signal to a train control system of the train according to the first temperature data and/or the smoke concentration data, specifically:
and when the first temperature data exceeds a second preset temperature threshold and/or the smoke concentration exceeds a preset concentration threshold, the alarm host outputs an alarm signal to the train control system.
4. The automatic fire extinguishing method according to claim 1, wherein after the first temperature data and the smoke concentration data are transmitted to an alarm host, the automatic fire extinguishing method further comprises:
and the alarm host sends the first temperature data and the smoke concentration data to the train control system.
5. The automatic fire extinguishing method according to claim 1, further comprising:
the pressure detection device detects pressure data of a fire bottle in the fire box and sends the pressure data to the alarm host;
and the alarm host machine determines the state information of the fire bottle according to the pressure data and a preset pressure threshold value and sends the state information to the train control system.
6. An automatic fire extinguishing apparatus for carrying out the automatic fire extinguishing method according to any one of claims 1 to 5, characterized in that the automatic fire extinguishing apparatus comprises: the device comprises a smoke temperature composite detector, an alarm host, a fire box, a temperature and electricity double-control electromagnetic valve, a pipeline and a spray head;
the fire fighting box is connected with the pipeline, the temperature and electricity double-control electromagnetic valve is arranged on the pipeline, and the spray head is arranged at the tail end of the pipeline where the temperature and electricity double-control electromagnetic valve is arranged; the smoke temperature composite detector is arranged on the fire box and is connected with the alarm host; the alarm host is also electrically connected with the temperature electric double-control electromagnetic valve;
the smoke temperature composite detector is used for detecting the temperature and smoke concentration of a detected area, generating temperature data and smoke concentration data and sending the temperature data and the smoke concentration data to the alarm host; the temperature data and the smoke concentration data respectively comprise detector IDs of the smoke temperature composite detectors;
the alarm host is used for judging and processing according to the temperature data and/or the smoke concentration data and outputting an alarm signal to a train control system of the train according to a judgment and processing result; the alarm signal carries information of the detector ID; the train control system searches the electromagnetic valve ID of the temperature and electricity double-control electromagnetic valve corresponding to the smoke temperature composite detector according to the detector ID, and sends the electromagnetic valve ID and a received electromagnetic valve control opening instruction to the temperature and electricity double-control electromagnetic valve;
the temperature and electricity double-control electromagnetic valve is used for receiving the opening instruction controlled by the electromagnetic valve and opening the opening instruction controlled by the electromagnetic valve, so that a medium in the fire box is sprayed out through a spray head arranged on a pipeline where the temperature and electricity double-control electromagnetic valve is located, and the detected area is automatically extinguished.
7. The automatic fire extinguishing apparatus according to claim 6, further comprising: a pressure detection device;
the pressure detection device is arranged on a fire fighting bottle in the fire box and is connected with the alarm host;
the pressure detection device is used for detecting pressure data of a fire bottle in the fire box and sending the pressure data to the alarm host.
8. The automatic fire extinguishing apparatus according to claim 6, wherein the fire hose includes: the fire-fighting box comprises a fire-fighting box body, a fire-fighting bottle valve, a bottle body fixing frame and a bottle mouth fixing frame;
the fire bottle is vertically arranged in the fire box body and is used for containing a fire extinguishing medium; the fire-fighting bottle valve is arranged at the bottle opening of the fire-fighting bottle and is used for controlling the medium in the fire-fighting box to enter and exit; the body mount encloses the body of fire control bottle, the bottleneck mount encloses and establishes the bottleneck of fire control bottle, the body mount with the bottleneck mount is used for jointly fixing the fire control bottle.
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| CN202010522841.4A CN111632329A (en) | 2020-06-10 | 2020-06-10 | Automatic fire extinguishing method and device |
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| CN202010522841.4A CN111632329A (en) | 2020-06-10 | 2020-06-10 | Automatic fire extinguishing method and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114832257A (en) * | 2021-07-09 | 2022-08-02 | 长城汽车股份有限公司 | Vehicle extinguishing device and vehicle |
| CN115887972A (en) * | 2022-11-15 | 2023-04-04 | 中车株洲电力机车有限公司 | Train fire extinguishing system and method |
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