CN113521598B - Battery pack fire extinguishing system and method and vehicle - Google Patents
Battery pack fire extinguishing system and method and vehicle Download PDFInfo
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- CN113521598B CN113521598B CN202110647773.9A CN202110647773A CN113521598B CN 113521598 B CN113521598 B CN 113521598B CN 202110647773 A CN202110647773 A CN 202110647773A CN 113521598 B CN113521598 B CN 113521598B
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 51
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- 238000005507 spraying Methods 0.000 claims description 8
- 230000001629 suppression Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 41
- 238000010586 diagram Methods 0.000 description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 7
- 238000004590 computer program Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 229910052744 lithium Inorganic materials 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical compound FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Classifications
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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
-
- 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
- A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
-
- 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
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/40—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with electric connection between sensor and actuator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Battery Mounting, Suspending (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a battery pack fire extinguishing system, a method and a vehicle, wherein the system comprises: fire extinguishing controller, fire extinguishing agent injection valve and lay the fire extinguishing passageway in the battery package, the fire extinguishing agent injection valve is including popping out the pipeline and being used for controlling the control unit who pops out the pipeline, and control unit is connected with fire extinguishing controller. The first end of the ejecting pipeline is used as a fire extinguishing agent injection port and used for injecting fire extinguishing agent into the battery pack from the outside of the vehicle, and the second end of the ejecting pipeline is communicated with an inlet of a fire extinguishing channel in the battery pack. The fire extinguishing controller is used for triggering the control component to eject the first end of the ejection pipeline out of the vehicle when receiving a thermal runaway signal of the battery pack. The application provides a battery package fire extinguishing systems can be under the condition that is not in excess of increase vehicle weight and space ratio little, with low costs, realize putting out a fire to the accurate high efficiency of battery package.
Description
Technical Field
The invention relates to the technical field of battery application, in particular to a battery pack fire extinguishing system, a battery pack fire extinguishing method and a vehicle.
Background
The lithium battery is widely applied to the new energy automobile, and along with the increase of the requirement of the endurance mileage, the total energy and the energy density of the lithium battery for the new energy automobile are rapidly increased, the safety problem of the lithium battery is more and more prominent, and especially the thermal runaway problem of the lithium battery is solved. The thermal runaway is that the heat generation rate is high due to various factors in the lithium battery, and the heat dissipation rate of the lithium battery is low, so that a large amount of heat is accumulated in the lithium battery, and a series of side reactions are induced. When the battery enters thermal runaway, inflammable and toxic gas is discharged, even flame is sprayed, other combustible substances are ignited quickly if the battery is light, property loss of vehicles and the like is caused, and an escape passage is blocked if the battery is heavy, so that casualties are caused.
Therefore, in order to solve the problem that new energy vehicles frequently start fire at the market end, how to improve the battery fire extinguishing efficiency and reduce the battery fire extinguishing cost becomes a market concern.
Disclosure of Invention
The embodiment of the application provides a battery package fire extinguishing system, method and vehicle, when battery package thermal runaway, the fire extinguishing agent filling opening will pop out to the car, and the staff can directly pour into the battery package into from popping out the fire extinguishing agent filling opening outside the car body with the fire extinguishing agent to under the condition that not only in increase vehicle weight and space account for less, with low costs, realize putting out a fire to the accurate high efficiency of battery package.
In a first aspect, the present invention provides the following technical solutions through an embodiment of the present invention:
a battery pack fire suppression system comprising:
fire extinguishing controller, fire extinguishing agent injection valve and lay the passageway of putting out a fire in the battery package, the fire extinguishing agent injection valve is including popping out the pipeline and being used for control pop out the control unit that the pipeline popped out, control unit with fire extinguishing controller connects, wherein: the first end of the ejecting pipeline is used as a fire extinguishing agent injection port and used for injecting fire extinguishing agent into the battery pack from the outside of the vehicle, and the second end of the ejecting pipeline is communicated with an inlet of a fire extinguishing channel in the battery pack. The fire extinguishing controller is used for triggering the control component to eject the first end of the ejection pipeline out of the vehicle when receiving a thermal runaway signal of the battery pack.
Preferably, the ejection duct first end is provided with an end cap, and the control part comprises: the signal receiver is connected with the gas generator and the fire extinguishing controller respectively; the signal receiver is used for controlling the gas generator to release high-pressure gas when receiving a trigger signal sent by the fire extinguishing controller, and the high-pressure gas enters the ejecting pipeline to impact the end cover of the ejecting pipeline, so that the first end of the ejecting pipeline ejects out of the vehicle.
Preferably, the fire extinguishing agent injection valve further comprises an inner pipe, the second end of the ejection pipe is communicated with the inlet of the inner pipe, the outlet of the inner pipe is communicated with the inlet of the fire extinguishing channel in the battery pack, the exhaust port of the gas generator is respectively communicated with the second end of the ejection pipe and the inlet of the inner pipe, and part of high-pressure gas released by the gas generator enters the fire extinguishing channel in the battery pack through the inner pipe.
Preferably, the control part further comprises a filter screen, the filter screen is arranged at both the second end of the ejection pipeline and the inlet of the inner pipeline, and the filter screen is used for filtering the high-pressure gas released from the gas generator.
Preferably, the first end of the ejection pipeline ejects 2-3 meters out of the vehicle.
Preferably, the fire extinguishing passage comprises a spray pipe and a fire fighting flow passage,
the spraying pipe is used for spraying the fire extinguishing agent entering from the ejection pipeline to the battery cell module in the battery pack; the fire-fighting flow channel is arranged in the battery pack and used for opening the cavity in the battery pack so that the fire extinguishing agent entering the battery pack flows in the battery pack.
Preferably, the ejection duct is a collapsible duct.
In a second aspect, the present invention provides the following technical solutions through an embodiment of the present invention:
a fire extinguishing method for a battery pack, applied to the fire extinguishing system for a battery pack according to any one of the first aspect, the method comprising:
monitoring whether a thermal runaway signal sent by a vehicle controller is received; when the thermal runaway signal is received, the control component is triggered to eject the first end of the ejection pipeline out of the vehicle, so that the fire extinguishing agent is injected into the battery pack from the outside of the vehicle through the first end of the ejection pipeline.
Preferably, the ejection duct first end is provided with an end cap, and the control means comprises: signal receiver and gas generator, signal receiver respectively with gas generator and fire extinguishing controller is connected, the first end that triggers the control unit will pop out the pipeline outside to pop out including:
sending a trigger signal to the signal receiver so that the signal receiver controls the gas generator to release high-pressure gas, and the high-pressure gas enters the ejecting pipeline to impact the end cover of the ejecting pipeline so that the first end of the ejecting pipeline ejects out of the vehicle.
In a third aspect, the present invention provides the following technical solutions according to an embodiment of the present invention:
a vehicle comprising the battery pack fire suppression system of any of the preceding first aspects.
One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages:
the battery pack fire extinguishing system comprises a fire extinguishing controller, a fire extinguishing agent injection valve and a fire extinguishing channel distributed in a battery pack, wherein the fire extinguishing agent injection valve comprises a pop-up pipeline and a control part for controlling the pop-up pipeline to pop up, and the control part is connected with the fire extinguishing controller. This pop-up pipeline first end will regard as the fire extinguishing agent filling opening, the entry intercommunication of passageway of putting out a fire in second end and the battery package, when the battery package takes place the thermal runaway, the controller will receive battery package thermal runaway signal, the first end that triggers the control part and will pop out the pipeline pops out to the car, the operation personnel can follow and pop out in the outside pipeline that pops out of automobile body, directly pour into the fire extinguishing agent of big dose into in the battery package, realize accurate high efficiency and put out a fire, this application does not excessively increase vehicle weight and space and accounts for than little, and is with low costs, and more be favorable to the effective fire extinguishing when battery package thermal runaway.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a block diagram of a fire suppression system for a battery pack according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a fire suppression system for a battery pack according to an embodiment of the present invention;
FIG. 3 is a schematic structural view of a fire suppressant injection valve according to an embodiment of the present invention;
fig. 4 is a flowchart of a fire extinguishing method for a battery pack according to an embodiment of the present invention.
Detailed Description
The embodiment of the application provides a battery package fire extinguishing system, method and vehicle, when battery package thermal runaway, the fire extinguishing agent filling opening will pop out to the car, and the staff can directly pour into the battery package into from popping out the fire extinguishing agent filling opening outside the car body with the fire extinguishing agent to under the condition that not only in increase vehicle weight and space account for less, with low costs, realize putting out a fire to the accurate high efficiency of battery package.
In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.
It should be noted that the fire extinguishing agent mentioned in the embodiments of the present application may be water, or may be any fire extinguishing solvent suitable for a battery system.
In a first aspect, an embodiment of the present invention provides a fire extinguishing system for a battery pack, specifically, as shown in fig. 1, the system includes: fire extinguishing controller 10, fire extinguishing agent injection valve 20 and lay the fire extinguishing passageway 30 in the battery package, and fire extinguishing agent injection valve 20 includes pop-up pipeline 201 and is used for controlling the control component 202 that pops up the pipeline, and control component 202 is connected with fire extinguishing controller 10, wherein:
as shown in fig. 2, a first end of the ejection pipe 201 serves as a fire extinguishing agent injection port for injecting a fire extinguishing agent into the battery pack from the outside of the vehicle, and a second end of the ejection pipe 201 communicates with an inlet of a fire extinguishing passage in the battery pack. The fire extinguishing controller 10 is used for triggering the control part 202 to eject the first end of the ejection pipe 201 out of the vehicle when receiving the thermal runaway signal of the battery pack.
In a particular embodiment, the fire suppression controller 10 may be located outside of the battery pack, preferably in the front cabin of the vehicle. The fire extinguishing agent injection valve 20 may be hidden at the front grille of the vehicle, and the location of the fire extinguishing agent injection port is preferably the head of the vehicle, but may be disposed at other locations on the vehicle body. In order to save vehicle space, the ejection duct 201 may be a foldable duct, preferably provided in the front cabin of the vehicle.
As an alternative embodiment, the first end of the ejection tube is provided with an end cap 2011, so that the ejection tube is a closed cavity, as shown in fig. 3, the control component may include: the signal receiver 2021 and the gas generator 2022 are connected, and the signal receiver 2021 is connected to the gas generator 2022 and the fire extinguishing controller 10, respectively.
When the battery pack is out of control due to heat, the fire extinguishing controller 10 receives a thermal runaway signal sent by a vehicle controller of a vehicle, the controller 10 sends a trigger signal to the signal receiver 2021 after the fire is extinguished, the signal receiver 2021 controls the gas generator 2022 to release high-pressure gas when receiving the trigger signal sent by the fire extinguishing controller 10, and the high-pressure gas enters the pop-up pipeline 201 to impact an end cover of the pop-up pipeline, so that the first end of the pop-up pipeline 201 pops up outside the vehicle. After the staff removes the end cover with the pipeline that pops out that is located the vehicle outside, directly to continuously pouring into the fire extinguishing agent of bulk dose in the battery package, realize accurate high efficiency and put out a fire.
For example, pop out the first end of pipeline and can pop out 2 ~ 3 meters to the car for when battery package thermal runaway, the vehicle that the effect personnel can keep away from out of control puts out a fire, guarantee personnel's safety, and makes the operating personnel can find the fire extinguishing agent filling opening fast, and the process of putting out a fire for urgent strives for the minute and takes the second. In addition, the ejection pipe can also be used as a signal of thermal runaway of the battery pack, so that a driver can quickly perceive the thermal runaway.
Of course, in order to reduce the vehicle space occupation ratio, the fire extinguishing controller 20 may be directly used as a signal receiver 2021, located in the front cabin of the vehicle, and connected to the gas generator, and directly triggers the gas generator to release high-pressure gas when receiving the thermal runaway signal sent by the vehicle controller.
Specifically, the fire extinguishing agent injection valve 20 further includes an inner pipe 203, the second end of the ejection pipe 201 communicates with an inlet of the inner pipe 203, an outlet of the inner pipe 203 communicates with an inlet of the fire extinguishing passage 30 in the battery pack, a gas outlet of the gas generator 2022 communicates with the second end of the ejection pipe 201 and the inlet of the inner pipe 203, respectively, and a portion of the high-pressure gas released by the gas generator 2022 enters the fire extinguishing passage 30 in the battery pack through the inner pipe 203.
Therefore, when the battery pack is out of control due to heat, a part of high-pressure gas released from the gas generator 2022 enters the ejection pipeline 201 to impact the end cover of the ejection pipeline, and the end cover drives the ejection pipeline to eject outside the vehicle under the impact of the high-pressure gas; another part of the high-pressure gas enters the battery pack through the inner pipe 203 to realize the primary temperature reduction of the battery pack.
The high-pressure gas may be a mixture of heptafluoropropane and carbon dioxide, or may be another high-pressure gas. The material of popping out pipeline and interior pipeline can be the fire control hose, of course, also can select other material pipelines.
Further, in order to make the high-pressure gas have a better effect, the control component 202 may further include a filter screen 2023, the second end of the pop-up pipe 201 and the inlet of the inner pipe 203 are both provided with the filter screen 2023, and the filter screen 2023 is used for filtering the high-pressure gas released from the gas generator, so as to filter out particles and impurities in the gas.
As another alternative, the ejection conduit first end would be provided with an end cap, and the control means may comprise: the signal receiver is connected with one end of the spring and the fire extinguishing controller respectively, the other end of the spring is in contact with the end cover, and the spring and the ejecting pipeline are both in a compressed state.
Specifically, when the battery pack is in a normal state, the ejection pipe and the spring are in a stable state; when battery package thermal runaway, the controller of putting out a fire will receive the thermal runaway signal that is sent by the vehicle control unit of vehicle, and the controller will send trigger signal to signal receiver after putting out a fire, and signal receiver is when receiving the trigger signal that the controller sent of putting out a fire, will destroy compression spring's counter balance for the effort of spring for popping out the end cover of pipeline, thereby make the first end that pops out the pipeline pop out outside the car.
Further, in order to realize effective fire extinguishing of the battery pack, the fire extinguishing channel 30 may include a spraying pipe 301 and a fire fighting flow channel 302, wherein the spraying pipe 301 is used for spraying the fire extinguishing agent entering from the ejection pipe to the battery cell module in the battery pack; the fire-fighting flow channel 302 is arranged at the lower edge of the transverse and longitudinal beams in the battery pack and is used for opening the inner cavity of the battery pack so that the fire extinguishing agent entering the battery pack can flow freely in the battery pack.
Specifically, the shower pipe 301 may be an expandable perforated plastic hose that meets fire protection requirements, for example, the shower pipe provided in this embodiment of the present application may meet the fire protection requirements of UL94V 0. In a non-working state (namely the battery pack is normal), the battery pack can be folded and positioned on the upper edge of the inner wall of the battery pack and arranged around the battery cell module; when the battery pack is in work (namely, the thermal runaway of the battery pack), the fire extinguishing agent is filled in the spray pipe and is sprayed to the battery cell module through the small holes in the pipe, so that the purposes of fire extinguishing and temperature reduction are achieved. If the spray pipe is burnt by open fire, the fire extinguishing agent can flow to the fire source rapidly and in a large quantity through the damaged part, and the positive feedback effect is realized.
Specifically, fire control runner 302 can evenly distributed in the interior horizontal longitudinal beam lower limb of battery package, gets through the inside cavity of battery package, and the fire extinguishing agent who spouts to electric core module from the shower can be in the battery package free flow. Thereby when spraying and putting out a fire, the electric core module also cools off fast under the effect of fire control runner, finally reaches the purpose of putting out a fire as early as possible.
As an alternative embodiment, in order to ensure that the battery pack is not exposed to air and thus damaged under normal conditions, the battery pack fire extinguishing system may further include: and a battery pack fire extinguishing injection valve 40 connected to the fire extinguishing controller 10, having one end connected to an outlet of the inner pipe 203 and the other end connected to an inlet of the battery pack fire extinguishing passage 30. The fire extinguishing controller 10 is used for controlling the opening of the fire extinguishing injection valve of the battery pack when receiving a thermal runaway signal of the battery pack, so that the fire extinguishing agent is injected into the battery pack through the opened valve.
Specifically, this battery package injection valve of putting out a fire can be by solenoid valve control switching, and be the normally closed state and satisfy waterproof sealing requirement during non-operating condition, become normally open state when receiving the trigger signal that fire extinguishing controller sent. Therefore, the fire extinguishing controller not only sends a trigger signal to the signal receiver, so that the ejecting pipeline ejects out of the vehicle; meanwhile, the fire extinguishing injection valve of the battery pack is controlled to be opened. Finally, a large amount of fire extinguishing agents are directly led into the battery pack, so that the fire is quickly and effectively extinguished, and the fire is prevented from being enlarged to cause larger damage.
To sum up, the battery package fire extinguishing systems that this application embodiment provided, at the fire control fire extinguishing process after vehicle battery condition of a fire takes place, can be directly with in the direct leading-in battery package of a large amount of fire extinguishing agents rapidly, get rid of the interference that the automobile body sheltered from, the accurate condition of a fire is effectively put out, avoids the condition of a fire to enlarge and causes bigger destruction.
In a second aspect, based on the same inventive concept, an embodiment of the present invention provides a fire extinguishing method for a battery pack, specifically, as shown in fig. 4, the method includes the following steps S101 to S102.
And S101, monitoring whether a thermal runaway signal sent by the vehicle control unit is received.
And step S102, when the thermal runaway signal is received, triggering the control component to pop the first end of the pop-up pipeline out of the vehicle so as to inject the fire extinguishing agent into the battery pack from the outside of the vehicle through the first end of the pop-up pipeline.
As an alternative embodiment, the first end of the ejection conduit is provided with an end cap, and the control component specifically includes: signal receiver and gas generator, signal receiver are connected with gas generator and fire extinguishing controller respectively, it includes to pop out the first end of popping out the pipeline outside to the car to trigger control part: and sending a trigger signal to the signal receiver so that the signal receiver controls the gas generator to release high-pressure gas, and the high-pressure gas enters the popping pipeline to impact the end cover of the popping pipeline so that the first end of the popping pipeline pops out of the vehicle.
In specific embodiment, the controller of putting out a fire will real-time supervision whether received the thermal runaway signal that vehicle control unit sent, and when receiving the thermal runaway signal, the controller of putting out a fire can trigger the control part and pop out the first end of popping out the pipeline outside to the car, and the length of popping out can be set for according to actual conditions, and the first end of popping out the pipeline will regard as the fire extinguishing agent filling opening, and the staff can follow the vehicle outside and pour into fire extinguishing agent into to the battery package.
The implementation principle and the generated technical effect of the fire extinguishing method for the battery pack provided by the embodiment of the invention are the same as those of the system embodiment, and for the sake of brief description, no part of the embodiment of the device is mentioned, and reference can be made to the corresponding content in the system embodiment.
In a third aspect, based on the same inventive concept, the present embodiment provides a vehicle including the battery pack fire extinguishing system according to any one of the first aspects.
Since the battery pack fire extinguishing system included in the vehicle according to the embodiment of the present invention has been described in the foregoing, those skilled in the art can understand the specific structure and effect principle of the vehicle based on the battery pack fire extinguishing system according to the embodiment of the present invention, and details thereof are not described herein again. All vehicles including the battery pack fire extinguishing system of the embodiment of the invention belong to the protection scope of the invention.
Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This invention is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present invention has been described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. A battery pack fire suppression system, comprising: fire extinguishing controller, fire extinguishing agent filling valve and lay the passageway of putting out a fire in the battery package, the fire extinguishing agent filling valve is including popping out the pipeline and being used for control pop out the control unit that the pipeline popped out, control unit with the fire extinguishing controller is connected, wherein:
the first end of the ejecting pipeline is used as a fire extinguishing agent injection port and used for injecting fire extinguishing agent into the battery pack from the outside of the vehicle, and the second end of the ejecting pipeline is communicated with an inlet of a fire extinguishing channel in the battery pack;
the fire extinguishing controller is used for triggering the control component to eject the first end of the ejection pipeline out of the vehicle when receiving a thermal runaway signal of the battery pack;
wherein, pop out pipeline first end and be provided with the end cover, control unit includes: the signal receiver is connected with the gas generator and the fire extinguishing controller respectively;
the signal receiver is used for controlling the gas generator to release high-pressure gas when receiving a trigger signal sent by the fire extinguishing controller, and the high-pressure gas enters the ejecting pipeline to impact the end cover of the ejecting pipeline, so that the first end of the ejecting pipeline ejects out of the vehicle.
2. The system of claim 1, wherein the fire extinguishing agent injection valve further comprises an inner pipe, the second end of the ejection pipe is communicated with an inlet of the inner pipe, an outlet of the inner pipe is communicated with an inlet of the fire extinguishing passage in the battery pack, the gas outlet of the gas generator is respectively communicated with the second end of the ejection pipe and the inlet of the inner pipe, and a part of high-pressure gas released by the gas generator passes through the inner pipe to enter the fire extinguishing passage in the battery pack.
3. The system of claim 2, wherein the control component further comprises a filter screen disposed at both the second end of the ejection conduit and the inlet of the inner conduit, the filter screen for filtering high pressure gas released from the gas generator.
4. The system of claim 1, wherein the first end of the ejection duct ejects 2-3 meters out of the vehicle.
5. The system of claim 1, wherein the fire suppression channel comprises a shower and a fire protection runner,
the spraying pipe is used for spraying the fire extinguishing agent entering from the ejection pipeline to the battery cell module in the battery pack;
the fire fighting flow channel is arranged in the battery pack and used for opening the inner cavity of the battery pack so that the fire extinguishing agent entering the battery pack flows in the battery pack.
6. The system of claim 1, wherein the ejection tube is a collapsible tube.
7. A fire extinguishing method for a battery pack, applied to the fire extinguishing system for a battery pack according to any one of claims 1 to 6, the method comprising:
monitoring whether a thermal runaway signal sent by a vehicle controller is received;
when the thermal runaway signal is received, triggering a control component to eject the first end of an ejection pipeline out of the vehicle so as to inject a fire extinguishing agent into the battery pack from the outside of the vehicle through the first end of the ejection pipeline;
wherein the triggering control means popping up the first end of the pop-up pipe out of the vehicle includes:
sending a trigger signal to a signal receiver so that the signal receiver controls a gas generator to release high-pressure gas, and the high-pressure gas enters the ejecting pipeline to impact an end cover of the ejecting pipeline so that the first end of the ejecting pipeline ejects out of the vehicle.
8. A vehicle comprising the battery pack fire suppression system of any one of claims 1-6.
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| DE102021120507A1 (en) | 2021-08-06 | 2023-02-09 | Audi Aktiengesellschaft | Connection arrangement for providing an extinguishing agent connection, battery arrangement and motor vehicle |
| CN114768141B (en) * | 2022-03-24 | 2023-06-20 | 东风汽车集团股份有限公司 | Automobile with fire-fighting structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6186166B1 (en) * | 1998-08-10 | 2001-02-13 | Myers Quick Drop, Inc. | Fire hose release device |
| EP2711052A1 (en) * | 2012-09-21 | 2014-03-26 | Autoliv Development AB | A valve arrangement for a motor vehicle fire suppression system |
| CN205683431U (en) * | 2016-06-22 | 2016-11-16 | 孙佳星 | Car engine auxiliary extinguishing device |
| CN109045517A (en) * | 2018-10-23 | 2018-12-21 | 公安部天津消防研究所 | A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method |
| CN110711326A (en) * | 2018-07-12 | 2020-01-21 | 奥迪股份公司 | Fire extinguishing system for a high-voltage battery of a motor vehicle and motor vehicle having a fire extinguishing system |
| WO2020130906A1 (en) * | 2018-12-20 | 2020-06-25 | Scania Cv Ab | A fire extinguishing assistance system and a method for assisting in extinguishing an ongoing or imminent fire in a modular vehicle |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2435015A1 (en) * | 2003-07-11 | 2005-01-11 | Keith Thiessen | Storage device for coiled articles |
| US8733463B2 (en) * | 2011-01-23 | 2014-05-27 | The Boeing Company | Hybrid cargo fire-suppression agent distribution system |
| CN107185132A (en) * | 2017-06-20 | 2017-09-22 | 北京新能源汽车股份有限公司 | Battery pack |
| CN111668415A (en) * | 2020-05-26 | 2020-09-15 | 华南理工大学 | Battery system, vehicle and battery system thermal runaway processing method |
-
2021
- 2021-06-10 CN CN202110647773.9A patent/CN113521598B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6186166B1 (en) * | 1998-08-10 | 2001-02-13 | Myers Quick Drop, Inc. | Fire hose release device |
| EP2711052A1 (en) * | 2012-09-21 | 2014-03-26 | Autoliv Development AB | A valve arrangement for a motor vehicle fire suppression system |
| CN205683431U (en) * | 2016-06-22 | 2016-11-16 | 孙佳星 | Car engine auxiliary extinguishing device |
| CN110711326A (en) * | 2018-07-12 | 2020-01-21 | 奥迪股份公司 | Fire extinguishing system for a high-voltage battery of a motor vehicle and motor vehicle having a fire extinguishing system |
| CN109045517A (en) * | 2018-10-23 | 2018-12-21 | 公安部天津消防研究所 | A kind of electric car lithium-ion power battery box fire suppression mechanism and implementation method |
| WO2020130906A1 (en) * | 2018-12-20 | 2020-06-25 | Scania Cv Ab | A fire extinguishing assistance system and a method for assisting in extinguishing an ongoing or imminent fire in a modular vehicle |
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