CN-122006176-A - Fire extinguishing method, device, equipment and storage medium for whole car fire disaster

CN122006176ACN 122006176 ACN122006176 ACN 122006176ACN-122006176-A

Abstract

The application discloses a fire extinguishing method, device, equipment and storage medium for a whole vehicle fire disaster, wherein the method comprises the steps of monitoring whether a preset fire disaster area of a vehicle exists in real time, wherein the preset fire disaster area comprises a power battery pack area, a vehicle chassis area and an engine compartment area, and starting non-pressure storage fire extinguishing equipment arranged in a corresponding fire disaster area through at least one mode of hot start, electric control start or manual emergency start if the fire disaster exists in any preset fire disaster area is detected, so that fire extinguishing agent is sprayed out through the non-pressure storage fire extinguishing equipment to extinguish the fire in the corresponding fire disaster area. The fire extinguishing system can quickly extinguish the initial fire disaster of the new energy automobile, effectively delay the spread of the fire disaster or extinguish the fire disaster, greatly prolong the escape time of passengers, avoid serious safety accidents, simultaneously realize small and convenient fire extinguishing system, be conveniently carried on the automobile, meet the light-weight requirement, be free of maintenance and reduce the use cost.

Inventors

HUANG RUI
LIANG HUI
WEN HAN
HAN GUANGYU
ZHANG YONGREN

Assignees

岚图汽车科技股份有限公司

Dates

Publication Date: 20260512
Application Date: 20260330

Claims (10)

1. A fire extinguishing method for a complete vehicle fire, comprising: monitoring whether a fire disaster exists in a preset fire disaster area of a vehicle in real time, wherein the preset fire disaster area comprises a power battery pack area, a vehicle chassis area and an engine compartment area; If any preset fire disaster area is detected, starting the non-pressure-storage fire extinguishing equipment arranged in the corresponding fire disaster area through at least one mode of hot start, electric control start or manual emergency start so as to extinguish the fire in the corresponding fire disaster area through spraying fire extinguishing agent through the non-pressure-storage fire extinguishing equipment.
2. The method of claim 1, wherein the activating the non-pressure-storage fire-extinguishing device disposed in the corresponding fire zone by at least one of a hot start, an electronically controlled start, or a manual emergency start if a fire is detected in any of the predetermined fire zones, comprises: If the fire disaster exists in the power battery pack area, automatically starting non-pressure-storage fire extinguishing equipment arranged in the battery pack area by utilizing the linear detection assembly to extinguish the fire; or if the power battery pack area is determined to have fire, detecting carbon monoxide gas, smoke and temperature by using a composite detector connected with the fire extinguishing equipment, and performing composite judgment to form a starting signal; transmitting the start signal to the VCU and the BMS; After receiving the starting signal based on the VCU, sending a high-voltage cut-off signal to the PDU for high-voltage cut-off, and feeding back the signal after the high-voltage cut-off to the BMS; The BMS starts non-pressure-storage fire-extinguishing equipment arranged in the battery pack area to extinguish fire; Or if the fire disaster exists in the power battery pack area, the target object remotely controls the starting of the fire extinguishing equipment; when the VCU receives the starting signal, sending a high-voltage cutting-off signal to the PDU to cut off the high voltage, and feeding back the signal after the high-voltage cutting-off to the BMS; The BMS activates non-pressure-storage fire-extinguishing devices disposed in the battery pack area to extinguish the fire.
3. The method of claim 1, wherein the activating the non-pressure-storage fire-extinguishing device disposed in the corresponding fire zone by at least one of a hot start, an electronically controlled start, or a manual emergency start if a fire is detected in any of the predetermined fire zones, comprises: If the fire disaster exists in the vehicle chassis area, automatically starting non-pressure-storage fire extinguishing equipment arranged in the vehicle chassis area through the temperature sensing detection assembly to extinguish the fire; or if the fact that the fire disaster exists in the chassis area of the vehicle is determined, the target object remotely controls the starting of the fire extinguishing equipment; When the VCU receives the start signal, the switch is closed, and the vehicle-mounted storage battery is used for supplying power to the fire-extinguishing equipment arranged in the vehicle chassis area so as to start the fire-extinguishing equipment.
4. The method of claim 1, wherein the activating the non-pressure-storage fire-extinguishing device disposed in the corresponding fire zone by at least one of a hot start, an electronically controlled start, or a manual emergency start if a fire is detected in any of the predetermined fire zones, comprises: If the fire disaster exists in the engine compartment area, automatically starting non-pressure-storage fire-extinguishing equipment arranged in the engine compartment area by utilizing the linear detection assembly to extinguish the fire; or if the fire disaster exists in the engine compartment area, detecting carbon monoxide gas, smoke and temperature by using a composite detector connected with the fire extinguishing equipment, and performing composite judgment to form a starting signal; Transmitting the starting signal to the VCU, and transmitting a high-voltage cut-off signal to the PDU for high-voltage cut-off based on the fact that the VCU receives the starting signal; feeding back the signal after high-voltage cut-off to the VCU, and sending a starting signal to fire extinguishing equipment arranged in an engine compartment area so as to start the fire extinguishing equipment to extinguish fire by using the vehicle-mounted storage battery; Or if the fire disaster exists in the engine compartment area, the target object remotely controls the starting of the fire extinguishing equipment; Transmitting a high-voltage cut-off signal to the PDU for high-voltage cut-off based on the starting signal received by the VCU; The high voltage cut-off signal is fed back to the VCU and the start signal is sent to fire extinguishing equipment arranged in the engine compartment area so as to start the fire extinguishing equipment to extinguish fire by using the vehicle-mounted storage battery.
5. The method of claim 1, wherein the real-time monitoring of the vehicle for the presence of a fire in a predetermined fire area comprises: The system comprises a fire disaster detection module, a temperature sensing module and a temperature sensing module, wherein the fire disaster detection module is used for detecting whether fire disasters exist in each fire disaster area in real time according to detection modules corresponding to the preset fire disaster areas, the detection module comprises a linear heat detection module and the temperature sensing heat detection module, the linear heat detection module comprises a thermosensitive wire and an energy amplifier, and the temperature sensing heat detection module comprises a temperature sensing cable and glass bubbles; Detecting the temperature in the battery pack by using the linear heat detection assembly, and judging that a fire disaster exists in the power battery pack area if the temperature exceeds a first set range; Detecting the temperature of the battery pack continuously by using the temperature-sensing heat detection assembly, and judging that a fire disaster exists in the vehicle chassis region if the temperature of the battery pack continuously exceeds a first set range and the temperature of the vehicle chassis region has a growing trend; And detecting the temperature in the engine compartment by using the linear heat detection assembly, and judging that the fire disaster exists in the engine compartment area if the temperature exceeds a second set range.
6. The method of claim 1, wherein the fire extinguishing of the corresponding fire area by the discharge of the extinguishing agent from the non-pressure storage fire extinguishing device comprises: The gas generating agent or aerosol generating agent in the fire-extinguishing equipment is utilized to generate oxidation-reduction reaction, inert gas is generated from a solid state, and aerosol fire-extinguishing agent, perfluorinated hexanone fire-extinguishing agent and liquid nitrogen fire-extinguishing agent are pushed to be directly sprayed out from the nozzle of the fire-extinguishing equipment to extinguish fire.
7. The method of claim 1, wherein after activating the non-pressure-storage fire extinguishing device disposed in the corresponding fire zone by at least one of a hot start, an electronically controlled start, or a manual emergency start if a fire is detected in any of the predetermined fire zones, comprising: receiving a signal with the VCU that the fire suppression apparatus has been activated; the VCU transmits a received signal to the meter and/or T-BOX that the fire suppression apparatus has been activated to alert the target object.
8. Fire extinguishing device of whole car conflagration, characterized by includes: The monitoring module is used for monitoring whether a fire disaster exists in a preset fire disaster area of the vehicle in real time, wherein the preset fire disaster area comprises a power battery pack area, a vehicle chassis area and an engine compartment area; And the control module is used for starting the non-pressure-storage fire extinguishing equipment arranged in the corresponding fire area through at least one mode of hot start, electric control start or manual emergency start if any preset fire area exists, so as to extinguish the fire in the corresponding fire area through spraying fire extinguishing agent through the non-pressure-storage fire extinguishing equipment.
9. An electronic device, the electronic device comprising: A processor; a memory having stored thereon computer readable instructions which, when executed by the processor, implement the method of any of claims 1 to 7.
10. A computer readable storage medium, characterized in that it stores computer program instructions, which when executed by a computer, cause the computer to perform the method according to any one of claims 1 to 7.

Description

Fire extinguishing method, device, equipment and storage medium for whole car fire disaster Technical Field The invention relates to the technical field of safety of new energy automobiles, in particular to a fire extinguishing method, device and equipment for a whole automobile fire disaster and a storage medium. Background Along with the aggravation of global energy crisis and environmental pollution problems, new energy automobiles rapidly increase the market share year by virtue of the advantages of the new energy automobiles in the aspects of energy conservation and environmental protection. However, with the rapid increase of the energy conservation of new energy automobiles, the frequent occurrence of fire safety accidents has become a prominent problem of extensive social concern and serious influence on enterprise development. New energy automobiles, in particular to pure electric automobiles and hybrid electric automobiles, have large amount of chemical energy stored in a power battery pack, and are easy to cause serious casualties and property loss due to rapid fire, violent fire and difficult extinguishing once thermal runaway occurs. At present, the fire-fighting technology for new energy automobiles mainly has certain limitations. Traditional fire control measures are mainly aimed at building fire control design, and are difficult to be directly applied to mobile new energy automobiles. In the fire-fighting technology aspect of the vehicle, the prior art is mostly focused on the fire extinguishment of the power battery pack, and only the fire is wrapped by the battery pack, so that the fire of the whole vehicle cannot be prevented and controlled, and further, the secondary fire caused by the fire spreading cannot be prevented. How to comprehensively and effectively prevent and control different fire disaster high-risk areas of a new energy vehicle and effectively prevent fire from spreading is a technical problem which needs to be solved at present. Disclosure of Invention The invention mainly aims to provide a fire extinguishing method, device, equipment and storage medium for a whole vehicle fire disaster, which can quickly extinguish the initial fire disaster of a new energy vehicle, effectively delay the spread of the fire disaster or extinguish the fire disaster, greatly prolong the escape time of passengers, avoid major safety accidents, simultaneously realize small and convenient fire extinguishing system, be conveniently carried on the vehicle, meet the light-weight requirement, avoid maintenance and reduce the use cost. In a first aspect, the present application provides a method of extinguishing a fire in an entire vehicle, the method comprising the steps of: monitoring whether a fire disaster exists in a preset fire disaster area of a vehicle in real time, wherein the preset fire disaster area comprises a power battery pack area, a vehicle chassis area and an engine compartment area; If any preset fire disaster area is detected, starting the non-pressure-storage fire extinguishing equipment arranged in the corresponding fire disaster area through at least one mode of hot start, electric control start or manual emergency start so as to extinguish the fire in the corresponding fire disaster area through spraying fire extinguishing agent through the non-pressure-storage fire extinguishing equipment. With reference to the first aspect, as an optional implementation manner, if it is determined that a fire exists in the power battery pack area, automatically starting a non-pressure-storage fire extinguishing device arranged in the battery pack area to extinguish the fire by using the linear detection assembly; or if the power battery pack area is determined to have fire, detecting carbon monoxide gas, smoke and temperature by using a composite detector connected with the fire extinguishing equipment, and performing composite judgment to form a starting signal; transmitting the start signal to the VCU and the BMS; After receiving the starting signal based on the VCU, sending a high-voltage cut-off signal to the PDU for high-voltage cut-off, and feeding back the signal after the high-voltage cut-off to the BMS; The BMS starts non-pressure-storage fire-extinguishing equipment arranged in the battery pack area to extinguish fire; Or if the fire disaster exists in the power battery pack area, the target object remotely controls the starting of the fire extinguishing equipment; when the VCU receives the starting signal, sending a high-voltage cutting-off signal to the PDU to cut off the high voltage, and feeding back the signal after the high-voltage cutting-off to the BMS; The BMS activates non-pressure-storage fire-extinguishing devices disposed in the battery pack area to extinguish the fire. With reference to the first aspect, as an optional implementation manner, if it is determined that a fire exists in the vehicle chassis area, automatically starting a non-pressure-storage fire extinguis