CN114976427A - Design and method of battery box with active fire extinguishing function - Google Patents
Design and method of battery box with active fire extinguishing function Download PDFInfo
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- CN114976427A CN114976427A CN202210686271.1A CN202210686271A CN114976427A CN 114976427 A CN114976427 A CN 114976427A CN 202210686271 A CN202210686271 A CN 202210686271A CN 114976427 A CN114976427 A CN 114976427A
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- Prior art keywords
- fire extinguishing
- storage cavity
- battery box
- cavity frame
- electromagnetic valve
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- 238000000034 method Methods 0.000 title abstract description 20
- 239000011521 glass Substances 0.000 claims abstract description 37
- 238000007789 sealing Methods 0.000 claims abstract description 17
- 230000001629 suppression Effects 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- UKACHOXRXFQJFN-UHFFFAOYSA-N heptafluoropropane Chemical group FC(F)C(F)(F)C(F)(F)F UKACHOXRXFQJFN-UHFFFAOYSA-N 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 3
- 230000000903 blocking effect Effects 0.000 description 7
- 230000000149 penetrating effect Effects 0.000 description 4
- 241000220317 Rosa Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
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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
-
- 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
- A62C37/14—Releasing means, e.g. electrically released heat-sensitive with frangible vessels
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention relates to a battery box body design with active fire extinguishing and a method, comprising the following steps: the storage cavity frame and the battery box support are arranged above the battery box support, and two ends of the storage cavity frame are connected with the supports; the glass sealing device comprises a fixed seat, wherein one side of the fixed seat is provided with an electromagnetic valve and a glass sealing sheet, and the other side of the fixed seat is provided with an electromagnetic valve control wire harness interface; the fixing seat is fixedly arranged on one side of the storage cavity frame. The beneficial effect of this application lies in: 1. by triggering the electromagnetic valve, the fire extinguishing agent quickly prevents the battery cell from continuing to burn; 2. when the electromagnetic valve is triggered or the BMS fails, the glass plugging sheet can automatically break after reaching a certain temperature, so that the fire extinguishing agent is sprayed out; 3. the continuous combustion of the internal battery cell is effectively prevented through double protection, and meanwhile, precious time is added for the evacuation of related personnel; 4. the fire extinguishing agent is more fully utilized by arranging the thermal expansion film; 5. the alarm is triggered through the alarm trigger, and valuable time is further added for the evacuation of related personnel.
Description
Technical Field
The invention relates to the field of new energy power batteries, in particular to a design and a method for a battery box body with an active fire extinguishing function.
Background
The existing battery box body of the electric automobile is usually used for storing the battery cells, however, when a certain battery cell explodes and fires, because most of the battery box bodies are not provided with fire extinguishing devices, large-scale fire is easily caused, and along with frequent safety accidents of the battery of the electric automobile at present, the phenomenon of firing and burning is easily caused, GB 38031 and 2020 also have mandatory requirements on the safety of the power storage battery of the electric automobile, and the escape time is required to be more than 5 minutes.
In order to meet the requirement that the escape time is more than 5 minutes after national standard heat diffusion in the related technology, most of the battery packs at present rely on the upper cover and the box body to block the flame when the heat diffusion occurs to the battery,
but traditional mode can't effectively avoid flame blowout, and when electric core took place thermal diffusion, the inside burning back temperature of box sharply rose, leads to box and upper cover to burn through very easily to lead to flame blowout, and then influenced electric automobile's security.
Meanwhile, in the traditional mode, the fire extinguishing triggering condition is single and harsh, and when an accident occurs, if the normal triggering of the fire extinguishing device cannot be fully guaranteed, the result cannot be measured. Or in the process of fire extinguishing, because the pressure of the fire extinguishing device is insufficient, the fire extinguishing is insufficient, and the fire which is extinguished is reignited again.
Therefore, it is desirable to provide a battery box design and method with active fire extinguishing to solve the problems in the prior art.
Disclosure of Invention
The embodiment of the invention provides a battery box body design with an active fire extinguishing function and a method thereof, aiming at solving the problems in the prior art that: 1. the battery box body can not actively extinguish fire, and people usually carry out personnel evacuation and fire extinguishing operation only when finding fire; 2. the triggering condition is single, and usually only one instruction is used for triggering the fire extinguishing device; 3. the stored fire extinguishing agent can not be fully utilized due to insufficient pressure of the rest fire extinguishing agent in the fire extinguishing process, and further the technical problem of re-burning of the flame is caused.
On one hand, the embodiment of the invention provides a battery box body design with an active fire extinguishing function, which comprises a storage cavity frame and a battery box support, wherein a support is arranged above the battery box support, and two ends of the storage cavity frame are connected with the support;
the glass sealing device comprises a fixed seat, wherein one side of the fixed seat is provided with an electromagnetic valve and a glass sealing sheet, and the other side of the fixed seat is provided with an electromagnetic valve control wiring harness interface;
the fixing seat is fixedly arranged on one side of the storage cavity frame. In some embodiments, the storage cavity frame is provided with a first discharge hole near the solenoid valve, and the storage cavity frame is provided with a second discharge hole near the glass blocking sheet.
In some embodiments, the fixing seat is provided with a solenoid valve mounting hole and a glass plugging sheet mounting hole in a penetrating manner, the solenoid valve is fixedly arranged in the solenoid valve mounting hole, the glass plugging sheet is fixedly arranged in the glass plugging sheet mounting hole, the fixing seat is further provided with a fixing seat mounting hole in a penetrating manner, a screw rod is arranged in the fixing seat mounting hole, and the fixing seat is connected with the storage cavity frame through the screw rod.
In some embodiments, a sealing ring is arranged between the first discharge hole and the solenoid valve mounting hole, and a sealing ring is arranged between the second discharge hole and the glass blocking piece mounting hole, and the sealing ring is used for preventing the fire extinguishing agent from leaking outwards when passing through the solenoid valve mounting hole or the glass blocking piece mounting hole from the storage cavity frame.
In some embodiments, the solenoid valve control harness interface is configured to electrically connect the solenoid valve and a battery management system.
In some embodiments, an alarm trigger is further provided, the storage cavity frame is hollow, the alarm trigger is fixedly connected to one side of the inner wall of the storage cavity frame, and the storage cavity frame is used for storing a fire extinguishing agent which is heptafluoropropane or other fire extinguishing agents.
In some embodiments, the storage cavity frame is internally provided with a connection beam for reinforcing the structural strength of the storage cavity frame.
In some embodiments, the storage cavity frame is internally provided with a connection beam for reinforcing the structural strength of the storage cavity frame.
In some embodiments, the storage cavity shelf has a thermal expansion film on an inner wall thereof for expanding when the storage cavity shelf is heated.
On one hand, the embodiment of the invention provides a fire extinguishing mode with an active fire extinguishing battery box, which comprises the following steps:
s01: the electric core inside the battery pack generates heat diffusion;
s02: a Battery Management System (BMS) controls a wire harness interface through an electromagnetic valve to actively trigger the electromagnetic valve, and an alarm trigger triggers an alarm system;
s03: the fire extinguishing agent is discharged through a first discharge hole formed in the storage cavity frame;
s04: the fire extinguishing agent successfully prevents the battery core inside the battery pack from continuing to burn.
When a Battery Management System (BMS) fails or has been turned on,
s11: the electric core in the battery pack generates heat diffusion and the temperature reaches the temperature value born by the glass plugging sheet;
s12: the glass plugging sheet is heated to be broken, and the alarm trigger triggers the alarm system;
s13: the fire extinguishing agent is discharged through a second discharge hole formed in the storage cavity frame;
s14: the fire extinguishing agent successfully prevents the battery core inside the battery pack from continuing to burn.
The technical scheme provided by the invention has the beneficial effects that: 1. by triggering the electromagnetic valve, the fire extinguishing agent quickly prevents the battery cell from continuing to burn; 2. when the electromagnetic valve is triggered or the BMS fails, the glass plugging sheet can automatically break after reaching a certain temperature, so that the fire extinguishing agent is sprayed out; 3. the continuous combustion of the internal battery cell is effectively prevented through double protection, and meanwhile, precious time is increased for the evacuation of related personnel; 4. the fire extinguishing agent is more fully utilized by arranging the thermal expansion film; 5. the alarm trigger triggers the alarm device to alarm, thereby further increasing precious time for the evacuation of related personnel.
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 will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a battery box design with active fire extinguishing and a method according to an embodiment of the present invention;
FIG. 2 is an enlarged exploded view at A of the battery case design and method with active fire suppression according to the present invention;
FIG. 3 is an enlarged view of the battery box design and method with active fire suppression according to an embodiment of the present invention at A;
FIG. 4 is an enlarged view of a storage cavity rack of a battery box design and method with active fire suppression according to an embodiment of the present invention;
FIG. 5 is a front view of a storage cavity rack with an active fire suppression battery box design and method according to an embodiment of the present invention;
fig. 6 is a side view of a storage cavity rack with an active fire suppression battery box design and method according to an embodiment of the present invention.
In the figure: 1. a storage cavity frame; 2. a battery box support; 3. a support; 4. a fixed seat; 5. an electromagnetic valve; 6. a glass blocking sheet; 7. the solenoid valve controls a wire harness interface; 8. a first discharge orifice; 9. a second discharge hole; 10. a seal ring; 11. a fixing seat mounting hole; 12. a connecting beam; 13. a solenoid valve mounting hole; 14, installing holes of the glass plugging sheets; 15. an alarm trigger; 16. a thermally expanding membrane.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
The embodiment of the invention provides a battery box with an active fire extinguishing function.
Referring to fig. 1 to 2, an embodiment of the present invention provides a battery box design with active fire extinguishing function, including: the battery box comprises a storage type cavity frame 1 and a battery box support 2, wherein a support 3 is arranged above the battery box support 2, and two ends of the storage type cavity frame 1 are connected with the support 3;
the glass sealing device comprises a fixed seat 4, wherein one side of the fixed seat 4 is provided with an electromagnetic valve 5 and a glass sealing sheet 6, and the other side of the fixed seat 4 is provided with an electromagnetic valve control wiring harness interface 7;
the fixed seat 4 is fixedly arranged on one side of the storage cavity frame 1.
Optionally, a first discharge hole 8 is formed in the storage cavity frame 1 near the electromagnetic valve 5, and a second discharge hole 9 is formed in the storage cavity frame 1 near the glass blocking sheet 6.
Optionally, the fixing base 4 is provided with an electromagnetic valve mounting hole 13 and a glass plugging sheet mounting hole 14 in a penetrating manner, the electromagnetic valve 5 is fixedly arranged in the electromagnetic valve mounting hole 13, the glass plugging sheet 6 is fixedly arranged in the glass plugging sheet mounting hole 14, and the fixing base 4 is further provided with a fixing base mounting hole 11 in a penetrating manner.
Optionally, a sealing ring 10 is disposed between the first discharge hole 8 and the electromagnetic valve mounting hole 13, a sealing ring 10 is disposed between the second discharge hole 9 and the glass blocking piece mounting hole 14, and the sealing ring 10 is used for preventing the fire extinguishing agent from leaking out from the storage cavity frame 1 through the electromagnetic valve mounting hole 13 or the glass blocking piece mounting hole 14.
Optionally, the solenoid valve control harness interface 7 is used for electrically connecting the solenoid valve 5 and the battery management system.
As shown in fig. 4, optionally, an alarm trigger 15 is further provided, the interior of the storage cavity frame 1 is designed to be hollow, the alarm trigger 15 is fixedly connected to one side of the inner wall of the storage cavity frame 1, the interior of the storage cavity frame 1 is used for storing a fire extinguishing agent, the fire extinguishing agent is heptafluoropropane or other fire extinguishing agents, the alarm trigger 15 is a pressure sensor, when the pressure inside the storage cavity frame 1 suddenly changes, an alarm device is triggered, meanwhile, a signal transmitting device can be further arranged on the alarm device and used for remotely transmitting an alarm signal to a relevant person, such as a fire department, and the fire department can contact the relevant person to know the actual situation on site in time or carry out the mobilization of the fire fighter according to the actual situation on site, so as to finish the rapid fire alarm.
As shown in fig. 6, optionally, a connecting beam 12 is provided inside the storage cavity frame 1, and the connecting beam 12 is used for reinforcing the structural strength of the storage cavity frame 1.
Optionally, a thermal expansion film 16 is disposed on an inner wall of the storage cavity frame 1 for expanding when the storage cavity frame 1 is heated. After the electromagnetic valve or the glass plugging sheet is triggered, the fire extinguishing agent is sprayed to a certain degree, when the pressure in the storage cavity frame 1 is insufficient, the pressure in the storage cavity frame 1 is improved, the fire extinguishing agent which cannot be sprayed out is extruded due to insufficient pressure in the storage cavity frame 1, the fire extinguishing agent is fully utilized, and the situation that the fire is reignited due to the fact that the fire is not extinguished is reduced.
The invention also provides a fire extinguishing mode of the battery box with the active fire extinguishing function, which comprises the following steps:
s01: the electric core inside the battery pack generates heat diffusion;
s02: a Battery Management System (BMS) actively triggers the electromagnetic valve through the electromagnetic valve control wire harness interface, and an alarm trigger triggers an alarm system;
s03: the fire extinguishing agent is discharged through a first discharge hole formed in the storage cavity frame;
s04: the fire extinguishing agent successfully prevents the battery core inside the battery pack from continuing to burn.
When a Battery Management System (BMS) fails or has been turned on,
s11: the electric core in the battery pack generates thermal diffusion and the temperature reaches the temperature value born by the glass plugging sheet;
s12: the glass plugging sheet is heated to be broken, and the alarm trigger triggers the alarm system;
s13: the fire extinguishing agent is discharged through a second discharge hole formed in the storage cavity frame;
s14: the fire extinguishing agent successfully prevents the battery core inside the battery pack from continuing to burn.
The technical scheme provided by the invention has the beneficial effects that: 1. by triggering the electromagnetic valve, the fire extinguishing agent quickly prevents the battery cell from continuing to burn; 2. when the electromagnetic valve is triggered or the BMS fails, the glass plugging sheet can automatically break after reaching a certain temperature, so that the fire extinguishing agent is sprayed out; 3. the continuous combustion of the internal battery cell is effectively prevented through double protection, and meanwhile, precious time is increased for the evacuation of related personnel; 4. the fire extinguishing agent is more fully utilized by arranging the thermal expansion film; 5. the alarm trigger triggers the alarm device to alarm, thereby further increasing precious time for the evacuation of related personnel.
In the description of the present invention, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It is to be noted that, in the present invention, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these 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 (10)
1. The utility model provides a battery box design of area initiative fire extinguishing which characterized in that includes:
the battery box comprises a storage type cavity frame (1) and a battery box support (2), wherein a support (3) is arranged above the battery box support (2), and two ends of the storage type cavity frame (1) are connected with the support (3);
the device comprises a fixed seat (4), wherein one side of the fixed seat (4) is provided with an electromagnetic valve (5) and a glass plugging sheet (6), and the other side of the fixed seat (4) is provided with an electromagnetic valve control wiring harness interface (7);
the fixed seat (4) is fixedly arranged on one side of the storage cavity frame (1).
2. The battery box design with active fire suppression according to claim 1, characterized in that: the storage cavity frame (1) is close to the electromagnetic valve (5) and is provided with a first discharge hole (8), and the storage cavity frame (1) is close to the glass plugging sheet (6) and is provided with a second discharge hole (9).
3. The battery box design with active fire suppression according to claim 1, characterized in that: run through on fixing base (4) and be equipped with solenoid valve mounting hole (13) and glass shutoff piece mounting hole (14), solenoid valve (5) are fixed to be located in solenoid valve mounting hole (13), glass shutoff piece (6) are fixed to be located in glass shutoff piece mounting hole (14), fixing base (4) still run through and are equipped with fixing base mounting hole (11).
4. A battery box design with active fire extinguishing according to any one of claims 2-3, characterized in that a sealing ring (10) is arranged between the first discharge hole (8) and the solenoid valve mounting hole (13), a sealing ring (10) is arranged between the second discharge hole (9) and the glass sealing sheet mounting hole (14), and the sealing ring (10) is used to prevent the fire extinguishing agent from leaking out from the storage cavity frame (1) through the solenoid valve mounting hole (13) or the glass sealing sheet mounting hole (14).
5. The battery box design with active fire suppression according to claim 1, characterized in that: and the electromagnetic valve control wire harness interface (7) is used for electrically connecting the electromagnetic valve (5) and the battery management system.
6. The battery box design with active fire suppression according to claim 1, characterized in that: still be equipped with alarm trigger (15), storage type chamber frame (1) is inside to be the cavity design, alarm trigger (15) fixed connection in storage type chamber frame (1) inner wall one side, storage type chamber frame (1) inside is used for storing fire extinguishing agent, and fire extinguishing agent is heptafluoropropane or other fire extinguishing agent.
7. The battery box design with active fire suppression according to claim 1, characterized in that: the storage cavity frame is characterized in that a connecting beam (12) is arranged inside the storage cavity frame (1), and the connecting beam (12) is used for reinforcing the structural strength of the storage cavity frame (1).
8. The battery box design with active fire extinguishing function according to claim 1, characterized in that: the two ends of the storage cavity frame (1) connected with the support (3) are sealed ends, and the storage cavity frame (1) is completely sealed.
9. The battery box design with active fire suppression of claim 8, wherein: and a thermal expansion film (16) is arranged on the inner wall of the storage cavity frame (1) and is used for expanding when the storage cavity frame (1) is heated.
10. The utility model provides a battery box's of area initiative fire extinguishing mode, its characterized in that includes following step:
s01: the electric core inside the battery pack generates heat diffusion;
s02: a Battery Management System (BMS) controls a wire harness interface through an electromagnetic valve to actively trigger the electromagnetic valve, and an alarm trigger triggers an alarm system;
s03: the fire extinguishing agent is discharged through a first discharge hole formed in the storage cavity frame;
s04: the fire extinguishing agent successfully prevents the battery core inside the battery pack from continuing to burn.
When a Battery Management System (BMS) fails or has been turned on,
s11: the electric core in the battery pack generates heat diffusion and the temperature reaches the temperature value born by the glass plugging sheet;
s12: the glass plugging sheet is heated and broken, and meanwhile, the alarm trigger triggers the alarm system;
s13: the fire extinguishing agent is discharged through a second discharge hole formed in the storage cavity frame;
s14: the fire extinguishing agent successfully prevents the battery core inside the battery pack from continuing to burn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210686271.1A CN114976427A (en) | 2022-06-16 | 2022-06-16 | Design and method of battery box with active fire extinguishing function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210686271.1A CN114976427A (en) | 2022-06-16 | 2022-06-16 | Design and method of battery box with active fire extinguishing function |
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| CN114976427A true CN114976427A (en) | 2022-08-30 |
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| CN202210686271.1A Pending CN114976427A (en) | 2022-06-16 | 2022-06-16 | Design and method of battery box with active fire extinguishing function |
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| CN107342441A (en) * | 2017-07-05 | 2017-11-10 | 安徽统凌科技新能源有限公司 | A kind of battery safety protection device |
| CN208236271U (en) * | 2018-05-11 | 2018-12-14 | 四川泓炜特种门业有限责任公司 | A kind of fire resistant doorsets with water pocket |
| CN111668408A (en) * | 2019-03-08 | 2020-09-15 | 比亚迪股份有限公司 | Battery tray, power battery package and vehicle |
| CN110111940A (en) * | 2019-05-22 | 2019-08-09 | 陈亚芝 | Fire prevention composite cable |
| CN110446374A (en) * | 2019-08-12 | 2019-11-12 | 珠海格力电器股份有限公司 | Applied to the Novel fireproof electrical appliance kit on air conditioner |
| CN112701414A (en) * | 2019-10-23 | 2021-04-23 | 太普动力新能源(常熟)股份有限公司 | Battery module |
| CN212033081U (en) * | 2020-05-11 | 2020-11-27 | 恒大新能源技术(深圳)有限公司 | Battery box and vehicle |
| CN214267362U (en) * | 2021-01-29 | 2021-09-24 | 北京新能源汽车股份有限公司 | Power battery and thermal runaway battery management system |
| CN214957157U (en) * | 2021-02-01 | 2021-11-30 | 上海卡耐新能源有限公司 | Fireproof battery pack and battery module |
| CN216629483U (en) * | 2021-08-03 | 2022-05-31 | 浙江南都电源动力股份有限公司 | Acoustic, optical, electric and thermal comprehensive fire-fighting system applicable to electrochemical energy storage scene |
| CN114284615A (en) * | 2021-12-28 | 2022-04-05 | 江苏正力新能电池技术有限公司 | Battery pack box and battery pack |
| CN114344773A (en) * | 2022-01-19 | 2022-04-15 | 上海美石智能系统有限公司 | Box with automatic fire extinguishing function |
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