CN113975678B - Vehicle-mounted automatic fire extinguishing device for electric vehicle - Google Patents
Vehicle-mounted automatic fire extinguishing device for electric vehicle Download PDFInfo
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- CN113975678B CN113975678B CN202111339440.6A CN202111339440A CN113975678B CN 113975678 B CN113975678 B CN 113975678B CN 202111339440 A CN202111339440 A CN 202111339440A CN 113975678 B CN113975678 B CN 113975678B
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- sliding
- shell
- fire extinguishing
- vehicle
- battery
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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
- 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
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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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- 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
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/08—Control of fire-fighting equipment comprising an outlet device containing a sensor, or itself being the sensor, i.e. self-contained sprinklers
- A62C37/10—Releasing means, e.g. electrically released
- A62C37/11—Releasing means, e.g. electrically released heat-sensitive
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a vehicle-mounted automatic fire extinguishing device for an electric vehicle, and relates to the technical field of automatic fire extinguishing. The battery box comprises a shell, wherein a battery box is arranged at the bottom end of the shell and used for fixedly mounting a battery; the temperature melting and sliding system is arranged in the shell, and the bottom end of the temperature melting and sliding system is connected to the outer side of the battery; and the fire extinguishing system is arranged at the top end of the temperature melting and sliding down system. The vehicle-mounted automatic fire extinguishing device for the electric vehicle can automatically extinguish fire without any electronic element, and is higher in safety.
Description
Technical Field
The invention relates to the technical field of automatic fire extinguishing, in particular to a vehicle-mounted automatic fire extinguishing device for an electric vehicle.
Background
In order to facilitate traveling, more and more people choose to ride the electric vehicle out. The power battery of the electric vehicle mostly uses a lithium battery, and the battery is arranged on the electric vehicle in the form of a battery box. Although this method is convenient, it is not good enough in safety, and when the battery is short-circuited for any reason, the energy in the battery is released in the form of heat in a short time, which may ignite the internal components of the lithium battery, or may cause the package of the battery to be broken, and the electrolyte to leak, which may cause the combustion or even explosion of the lithium battery in the vehicle.
Therefore, dangerous situations need to be found in time before the battery is ignited and spread or after the battery is ignited, the fire is extinguished at the highest speed, and corresponding monitoring and protection measures are taken to ensure the personal safety. The existing battery fire extinguishing device in the market is mostly arranged outside a battery box, and has the defects of slow fire finding and incapability of effectively extinguishing fire in time within the optimal time.
The invention provides a vehicle-mounted automatic fire extinguishing device of an electric vehicle, which is arranged in a battery box and does not need to be provided with any electronic element.
Disclosure of Invention
In order to solve the technical problem, the invention adopts the following technical scheme:
an on-vehicle automatic fire extinguishing device of electric motor car includes:
the bottom end of the shell is provided with a battery jar, and the battery jar is used for fixedly mounting a battery;
the temperature melting and sliding system is arranged in the shell, and the bottom end of the temperature melting and sliding system is connected to the outer side of the battery;
and the fire extinguishing system is arranged at the top end of the temperature melting and sliding down system.
Furthermore, the temperature melting and sliding down system comprises a temperature melting mechanism and a sliding down mechanism, the temperature melting mechanism is installed on the outer side of the battery, the sliding down mechanism is installed inside the shell, and the bottom end of the sliding down mechanism is connected with the temperature melting mechanism in a sliding mode.
Furthermore, the warm melting mechanism comprises a heat conduction shell, a warm melting medium and a heat conduction sheet, the heat conduction shell is installed on the outer side of the battery, the warm melting medium is arranged inside the heat conduction shell, and the heat conduction sheet is connected to the outer side of the heat conduction shell.
Further, the sliding mechanism comprises a sliding rod, a support, a side sliding groove and a sliding groove buffer seat, the sliding rod penetrates through the top end of the heat conduction shell and is in sliding connection with the heat conduction shell, the bottom end of the sliding rod is provided with a square piece, the square piece is used for increasing the contact area between the bottom end of the sliding rod and a warm melting medium, the support is connected to the top end of the sliding rod, the side sliding groove is fixedly connected to the inner wall of the shell, a sliding block is arranged on the outer side of the support and is in sliding connection with the side sliding groove, the sliding groove buffer seat is fixedly connected to the bottom end of the side sliding groove, and the sliding groove buffer seat is used for buffering the support.
Further, fire extinguishing system includes fire extinguisher and depression bar, the support is provided with the mounting groove, the fire extinguisher install in the mounting groove, depression bar fixed connection in the casing is inside and set up in fire extinguisher press switch one side.
Furthermore, the device also comprises a warm melting medium collecting device, wherein the warm melting medium collecting device comprises a collecting box, the collecting box is arranged at the bottom end of the heat conducting shell, a guide pipe is arranged at the bottom end of the heat conducting shell, and the collecting box is connected with the guide pipe through a pipeline.
Further, the heat conducting shell is made of one of aluminum alloy, aluminum, iron, copper or stainless steel.
Furthermore, the heat conducting sheet is made of one or a combination of more of heat conducting silicone grease, heat conducting insulating plastic, aluminum alloy, aluminum, iron, copper or stainless steel.
Further, still include the lid, the lid is installed in the casing top.
Further, the warm-melt medium material is one of HJV85 type EVA hot melt adhesive or HJV90 type EVA plastic adhesive.
The invention has the beneficial effects that:
the vehicle-mounted automatic fire extinguishing device for the electric vehicle is provided with the warm melting and sliding down system and the fire extinguishing system, utilizes the temperature melting characteristic of the warm melting medium to be matched with the sliding down mechanism and the fire extinguishing system, can automatically extinguish the fire of the electric vehicle battery when the temperature exceeds the temperature of the warm melting medium or is higher, does not need to be provided with an electronic element, and avoids the electronic element from failing under the high-temperature condition.
Drawings
FIG. 1 is a partial sectional view of an automatic fire extinguisher carried on an electric vehicle according to the present invention.
FIG. 2 is a schematic view of the internal structure of a heat-conducting shell of the automatic fire extinguishing device for the electric vehicle.
FIG. 3 is a schematic diagram showing the relationship between the fire extinguisher and the pressure lever of the automatic fire extinguishing apparatus for an electric vehicle according to the present invention.
Wherein, in the figure:
1-a shell; 2-a battery; 3-a heat-conducting shell; 4-warm melting medium; 5-heat conducting fins; 6-sliding down rod; 7-a scaffold; 8-side chute; 9-a chute buffer seat; 10-square slices; 11-a slide block; 12-a fire extinguisher; 13-a compression bar; 14-mounting grooves; 15-media collection cassette.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 3 in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
The embodiment of fig. 1-3 is combined to provide a vehicle-mounted automatic fire extinguishing device for an electric vehicle, which includes a housing 1, a warm melting and sliding system and a fire extinguishing system, wherein a battery jar is arranged at the bottom end of the housing 1 and used for fixedly mounting a battery 2, the warm melting and sliding system is mounted inside the housing 1, the bottom end of the warm melting and sliding system is connected to the outer side of the battery 2, and the fire extinguishing system is mounted at the top end of the warm melting and sliding system; the novel LED lamp also comprises a cover body, wherein the cover body is arranged at the top end of the shell 1.
The temperature melting and sliding down system comprises a temperature melting mechanism and a sliding down mechanism, the temperature melting mechanism is installed on the outer side of the battery 2, the sliding down mechanism is installed inside the shell 1, and the bottom end of the sliding down mechanism is connected with the temperature melting mechanism in a sliding mode.
The warm melting mechanism comprises a heat conduction shell 3, a warm melting medium 4 and a heat conduction sheet 5, the heat conduction shell 3 is installed on the outer side of the battery 2, the warm melting medium 4 is arranged inside the heat conduction shell 3, the heat conduction sheet 5 is connected to the outer side of the heat conduction shell 3, the heat conduction shell 3 is made of one of aluminum alloy, aluminum, iron, copper or stainless steel, and the heat conduction sheet 5 is made of one or a combination of more of heat conduction silicone grease, heat conduction insulating plastic, aluminum alloy, aluminum, iron, copper or stainless steel; in this embodiment, the heat conducting shell is made of an aluminum alloy material, the heat conducting fins 5 are made of a heat conducting insulating plastic, and the heat conducting shell conducts heat of the battery to the warm melting medium and the heat conducting fins 5, so that the temperature of the warm melting medium at each position is kept the same as much as possible.
The material of the warm melting medium 4 is one of HJV85 type EVA hot melt adhesive or HJV90 type EVA plastic adhesive, the melting range of the HJV85 type EVA hot melt adhesive is 65-80 ℃, the melting range of the HJV90 type EVA hot melt adhesive is 70-85 ℃, and the warm melting medium is suitable for being used as a warm melting medium.
The mechanism that glides includes smooth pole 6, support 7, side spout 8 and spout buffing pad 9, smooth pole 6 runs through heat conduction shell 3 tops and with heat conduction shell 3 sliding connection, smooth 6 bottoms of pole that descends set up square piece 10, square piece 10 is used for increasing smooth 6 bottoms of pole that descends and warm melt 4 area of contact of medium, support 7 connect in smooth 6 tops of pole that descends, side spout 8 fixed connection in on the 1 inner wall of casing, the support 7 outside is provided with slider 11, slider 11 sliding connection in the side spout 8, spout buffing pad 9 fixed connection in side spout 8 bottom, spout buffing pad 9 is used for buffering the support.
The fire extinguishing system comprises a fire extinguisher 12 and a pressure lever 13, the support 7 is provided with a mounting groove 14, the fire extinguisher 12 is mounted in the mounting groove 14, and the pressure lever 13 is fixedly connected to the inside of the shell 1 and arranged on one side of a press switch of the fire extinguisher 12; when the temperature melting medium is heated and melted, the sliding rod and the bracket slide downwards, the fire extinguisher arranged in the mounting groove moves downwards along with the sliding rod, and the pressure rod is abutted against the fire extinguisher press switch to spray powder.
As an optimization, the vehicle-mounted automatic fire extinguishing device for the electric vehicle further comprises a warm melting medium collecting device, the warm melting medium collecting device comprises a medium collecting box 15, the medium collecting box 15 is arranged at the bottom end of the heat conducting shell 3, a guide pipe is arranged at the bottom end of the heat conducting shell 3, and the medium collecting box 15 is connected with the guide pipe through a pipeline; when the temperature of the battery is too high and the temperature of the heat conduction shell exceeds the melting point of the warm melting medium, the liquefied warm melting medium flows into the medium collection box.
When the vehicle-mounted automatic fire extinguishing device for the electric vehicle is normal, when the working temperature of the battery is overhigh and exceeds the ignition temperature by 100 ℃, the heat conducting shell conducts the heat of the battery to the warm melting medium and the heat conducting fins 5, the warm melting medium at each position is melted, the sliding rod and the support slide downwards, the fire extinguisher arranged in the mounting and mounting groove moves downwards along with the sliding rod, and the pressure rod props against the press switch of the fire extinguisher to spray powder and extinguish fire.
The vehicle-mounted automatic fire extinguishing device for the electric vehicle disclosed by the invention does not need to be provided with an electronic element, avoids the possibility of failure of the electronic element under the high-temperature condition, and can automatically extinguish the fire of the electric vehicle battery when the temperature exceeds the temperature of the warm melting medium or is higher by utilizing the temperature melting characteristic of the warm melting medium to be matched with the slip-down mechanism and the fire extinguishing system.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to the above-described embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (5)
1. The utility model provides an on-vehicle automatic fire extinguishing device of electric motor car which characterized in that includes:
the bottom end of the shell is provided with a battery jar, and the battery jar is used for fixedly mounting a battery;
the temperature melting and sliding system is arranged in the shell, and the bottom end of the temperature melting and sliding system is connected to the outer side of the battery;
the fire extinguishing system is arranged at the top end of the warm melting and sliding down system;
the temperature melting and sliding-down system comprises a temperature melting mechanism and a sliding-down mechanism, the temperature melting mechanism is arranged on the outer side of the battery, the sliding-down mechanism is arranged in the shell, and the bottom end of the sliding-down mechanism is connected with the temperature melting mechanism in a sliding manner;
the warm melting mechanism comprises a heat conduction shell, a warm melting medium and a heat conduction sheet, the heat conduction shell is arranged on the outer side of the battery, the warm melting medium is arranged in the heat conduction shell, and the heat conduction sheet is connected to the outer side of the heat conduction shell;
the sliding mechanism comprises a sliding rod, a support, a side sliding groove and a sliding groove buffer seat, the sliding rod penetrates through the top end of the heat conduction shell and is in sliding connection with the heat conduction shell, a square piece is arranged at the bottom end of the sliding rod and is used for increasing the contact area between the bottom end of the sliding rod and a temperature melting medium, the support is connected to the top end of the sliding rod, the side sliding groove is fixedly connected to the inner wall of the shell, a sliding block is arranged on the outer side of the support and is in sliding connection with the side sliding groove, the sliding groove buffer seat is fixedly connected to the bottom end of the side sliding groove, and the sliding groove buffer seat is used for buffering the support;
the fire extinguishing system comprises a fire extinguisher and a pressure lever, the bracket is provided with a mounting groove, the fire extinguisher is mounted in the mounting groove, and the pressure lever is fixedly connected to the inside of the shell and arranged on one side of a push switch of the fire extinguisher;
the device is characterized by further comprising a warm melting medium collecting device, wherein the warm melting medium collecting device comprises a collecting box, the collecting box is arranged at the bottom end of the heat conducting shell, a guide pipe is arranged at the bottom end of the heat conducting shell, and the collecting box is connected with the guide pipe through a pipeline.
2. The vehicle-mounted automatic fire extinguishing device for the electric vehicle as recited in claim 1, wherein the heat conducting shell is made of one of aluminum alloy, aluminum, iron, copper or stainless steel.
3. The vehicle-mounted automatic fire extinguishing device for the electric vehicle as claimed in claim 1, wherein the heat conducting fins are made of one or a combination of more of heat conducting silicone grease, heat conducting insulating plastic, aluminum alloy, aluminum, iron, copper or stainless steel.
4. The vehicle-mounted automatic fire extinguishing device for the electric vehicle as claimed in claim 1, further comprising a cover body, wherein the cover body is mounted at the top end of the shell body.
5. The vehicle-mounted automatic fire extinguishing device for the electric vehicle as claimed in claim 1, wherein the warm melting medium material is one of HJV85 type EVA hot melt adhesive or HJV90 type EVA plastic adhesive.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202111339440.6A CN113975678B (en) | 2021-11-12 | 2021-11-12 | Vehicle-mounted automatic fire extinguishing device for electric vehicle |
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CN202111339440.6A CN113975678B (en) | 2021-11-12 | 2021-11-12 | Vehicle-mounted automatic fire extinguishing device for electric vehicle |
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CN113975678A CN113975678A (en) | 2022-01-28 |
CN113975678B true CN113975678B (en) | 2022-12-16 |
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CA1160939A (en) * | 1982-02-18 | 1984-01-24 | Guy Lagasse | Chimney fire extinguisher |
CN2397952Y (en) * | 1998-11-30 | 2000-09-27 | 范贵华 | Automatic fire extinguisher |
JP2001046539A (en) * | 1999-08-11 | 2001-02-20 | Kunihiro Chikara | Automated extinguisher using linear memory wire material |
CN2447003Y (en) * | 2000-08-25 | 2001-09-12 | 全龙浩 | Automatic fire-extinguisher |
US7303024B2 (en) * | 2003-12-15 | 2007-12-04 | Mikulec Conrad S | Actuator for fire extinguisher |
CN201815029U (en) * | 2010-02-25 | 2011-05-04 | 年丰 | Automatic fire extinguishing device for automobiles |
CN201899801U (en) * | 2010-11-24 | 2011-07-20 | 贾伟东 | Automatic fire-extinguishing and power-off device |
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CN107204413A (en) * | 2017-05-26 | 2017-09-26 | 广西科技大学鹿山学院 | A kind of battery with protective case |
CN110660945A (en) * | 2019-11-11 | 2020-01-07 | 佛山科学技术学院 | Battery pack for preventing thermal runaway spreading |
JP2021104159A (en) * | 2019-12-26 | 2021-07-26 | 東電フュエル株式会社 | Automatic starting mechanism of fire extinguisher and automatic fire extinguisher |
CN211720031U (en) * | 2020-05-10 | 2020-10-20 | 郭英君 | Safe type switch board with emergent cooling structure of putting out a fire |
CN212343040U (en) * | 2020-05-27 | 2021-01-12 | 襄阳市超日电气设备有限公司 | Fire extinguishing mechanism of power distribution cabinet |
CN112891786A (en) * | 2021-02-11 | 2021-06-04 | 北京工业大学 | Discernment electric automobile lithium ion battery high temperature situation and accurate extinguishing device |
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