CN117162786A - New energy automobile thermal runaway self-rescue system - Google Patents
New energy automobile thermal runaway self-rescue system Download PDFInfo
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- CN117162786A CN117162786A CN202310874296.9A CN202310874296A CN117162786A CN 117162786 A CN117162786 A CN 117162786A CN 202310874296 A CN202310874296 A CN 202310874296A CN 117162786 A CN117162786 A CN 117162786A
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- 238000001816 cooling Methods 0.000 claims abstract description 53
- 238000000926 separation method Methods 0.000 claims abstract description 28
- 238000009434 installation Methods 0.000 claims abstract description 12
- 239000007788 liquid Substances 0.000 claims description 46
- 238000003860 storage Methods 0.000 claims description 46
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000005507 spraying Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 claims description 8
- 230000005484 gravity Effects 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000005422 blasting Methods 0.000 claims description 2
- 238000005520 cutting process Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 7
- 239000003795 chemical substances by application Substances 0.000 description 30
- 239000011550 stock solution Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000000192 social effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
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Abstract
The application relates to the technical field of new energy automobiles, in particular to a thermal runaway self-rescue system of a new energy automobile, which comprises a battery pack, wherein the battery pack is installed on an automobile chassis through an installation component, the installation component comprises a separation module and a cooling module, the separation module drives the battery pack to be separated from the automobile chassis when the separation module monitors that the battery pack is rapidly heated and reaches a warning line through a temperature monitor, and the cooling module is fixed on the automobile chassis to cool the separated battery pack. According to the technical scheme, when the battery pack loses heat, the separation module actively separates the battery pack from the automobile chassis, so that the battery pack is prevented from being damaged by explosion and the automobile body is prevented from being damaged when the explosion is on fire, safety of a vehicle and passengers in the vehicle is guaranteed, and after the battery pack is separated from the automobile chassis, the cooling module immediately carries out cooling and fire extinguishing operation on the fallen battery pack, and the ignition point of the battery pack is extinguished from the source.
Description
Technical Field
The application relates to the technical field of new energy automobiles, in particular to a thermal runaway self-rescue system of a new energy automobile.
Background
For new energy automobiles using high-voltage batteries as power sources, the safety problem of the new energy automobiles is receiving attention.
The patent publication number is: the patent document of CN113602093A discloses a new energy automobile thermal runaway self-rescue system and a new energy automobile comprising the same, and the new energy automobile thermal runaway self-rescue system comprises a battery monitoring unit for monitoring state data of a power battery pack.
According to the scheme, the battery pack is separated from the vehicle body when the power battery pack of the new energy vehicle loses heat, and the power mechanism is arranged on the battery pack to enable the battery pack to automatically move away from the vehicle body, so that the vehicle body is free from being damaged greatly, but based on the figures of the current average vehicle in China, the vehicles are in a clustering concept no matter in the driving process or in the stopping process, even if the scheme can be really realized, the power battery pack separated from the vehicle body is contacted with other vehicles or people once, the irreparable accidents are caused, and the caused economic loss and social influence are more profound.
Disclosure of Invention
In order to overcome the technical problems, the application aims to provide a thermal runaway self-rescue system of a new energy automobile, which solves the problems that the current new energy automobile has no relatively reliable solution in the aspect of battery pack loss-of-heat self-rescue and has considerable potential safety hazard.
The aim of the application can be achieved by the following technical scheme:
the utility model provides a new energy automobile thermal runaway system of saving oneself, includes the battery package, the battery package passes through installation component and installs at vehicle chassis, installation component includes separation module and cooling module, separation module monitors through temperature monitor the battery package is risen fast and reaches the warning line time drive the battery package with vehicle chassis separates, cooling module fixes vehicle chassis department is to the battery package after the separation carries out cooling down.
Further in, the separation module is including installing the fastener of battery package both sides and with the fastener grafting is fixed, and the interlocking U-shaped slot has all been seted up to the two, still is provided with miniature detonating device in the junction of two, the fastener pass through dead lever and connecting piece with cooling module links firmly, through temperature sensor to miniature detonating device sends the signal of telecommunication, order about miniature detonating device takes place to be enough to separate the fastener with the small-scale blasting of fastener, the battery package drives under gravity effect the fastener naturally drops.
Further, a plurality of fasteners and a plurality of clamping pieces are arranged at intervals in the length direction of the battery pack, welding spots are formed on the outer surface of the contact part of the fasteners and the fixing rod through welding, and the miniature detonating device is arranged at the position between the fasteners and the fixing rod.
Further, the connecting surface between the fastener and the clamping piece is also transversely inserted with a limiting rod, and the limiting rod can avoid longitudinal displacement between the fastener and the clamping piece.
Further, the lower end of the fastener is tightly and fixedly connected with the battery pack, and a cutting groove is formed in the position, abutting against the battery pack, of the upper end of the fastener, so that a certain space is reserved between the fastener and the battery pack, and the battery pack body is prevented from being seriously damaged when the miniature detonating device detonates.
The cooling module is characterized in that at least one lip plate is arranged on the outer surface of the cooling module, a plurality of mounting holes are formed in the surface of the lip plate at intervals in the length direction of the automobile chassis, and the lip plate and the cooling module are connected with the automobile chassis together by screwing bolts into the mounting holes from bottom to top.
Further in, the cooling module includes cooling storehouse, cooling storehouse embeds a plurality of stock solution package and extrusion device, store fire extinguishing agent in the stock solution package cavity, its surface is provided with the orientation the nozzle of battery package, the nozzle intercommunication the cavity of stock solution package with cooling storehouse is outside, the nozzle exposes the one end in cooling storehouse can be dismantled and be connected with the chock plug, the chock plug pass through the line with the fastener is connected, works as the battery package drives under the action of gravity the fastener whereabouts time, the line is pulled the chock plug with the nozzle separation, the fire extinguishing agent of stock solution package inside passes through the nozzle to battery package surface sprays, prevents that it fires out of control.
The liquid storage bag is made of elastic materials, the extrusion devices are arranged on two sides of the liquid storage bag, each extrusion device comprises a push plate and a fixed plate, the push plates are slidably arranged on the outer wall of the liquid storage bag, elastic pieces are arranged between the push plates and the fixed plates, and mounting shells are arranged at positions, corresponding to the elastic pieces, of the opposite surfaces of the push plates and the fixed plates;
when the plug is not separated from the nozzle, the fire extinguishing agent in the liquid storage bag is continuously tensioned to form a closed cavity structure, the push plate is continuously elastically abutted with the liquid storage bag under the action of the elastic piece, and the outward tension of the expanded liquid storage bag and the elastic force of the elastic piece are mutually balanced;
when the plug head is separated from the nozzle, the fire extinguishing agent in the liquid storage bag can overflow outwards through the nozzle, the outwards tension of the liquid storage bag is gradually reduced, and the elastic pieces on the two sides push the push plate to continuously extrude the liquid storage bag, so that the fire extinguishing agent in the liquid storage bag is extruded out through the nozzle.
Further, the elastic piece is a return spring.
The fire extinguishing agent spraying device comprises a liquid storage bag, a plurality of nozzles, a squeezing device, a battery pack, a fire extinguishing agent spraying track and a fire extinguishing agent spraying track, wherein the nozzles are arranged in two rows in height with respect to the height direction of the liquid storage bag, the fire extinguishing agent is sprayed on the surface of the battery pack in a parabolic curve shape when being sprayed out through the nozzles, the parabolic curve is gradually increased along with the squeezing of the squeezing device, the fire extinguishing agent is sprayed from one side of the battery pack to the other side, the fire extinguishing agent spraying track is used for spraying the surface of the battery pack from near to far with respect to the nozzles, and the fire extinguishing agent spraying tracks on the two sides are intersected at the middle position of the battery pack.
The application has the beneficial effects that:
according to the technical scheme, the separation module and the cooling module are arranged between the battery pack and the automobile chassis, when the battery pack loses heat, the separation module actively separates the battery pack from the automobile chassis, so that the battery pack is prevented from damaging an automobile body when explosion fires, safety of a vehicle and passengers in the automobile is guaranteed, meanwhile, in order to control the situation before the explosion of the battery pack fires, after the battery pack is separated from the automobile chassis, the cooling module immediately carries out cooling and fire extinguishing operation on the fallen battery pack, the ignition point of the battery pack is extinguished from the source, economic and social effects caused by the heat loss and the fire of the battery pack are reduced, and benefits and safety of the passengers are protected.
Drawings
The application is further described below with reference to the accompanying drawings.
FIG. 1 is a perspective view of the present application;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a top view of the present application;
FIG. 4 is a right side view of the fastener, securing lever, connector, cooling bin and lip of the present application;
FIG. 5 is a side view of the fastener, connector of the present application;
FIG. 6 is a right side view of the fastener, connector of the present application;
FIG. 7 is a cross-sectional view of the fastener, connector, of the present application at B-B;
FIG. 8 is a perspective view of the cooling cartridge, lip, and plug of the present application;
FIG. 9 is a schematic diagram showing the internal structure of the cooling bin according to the present application;
fig. 10 is a schematic diagram of the internal structure of the cooling bin according to the present application.
In the figure: 1. a battery pack; 2. a fastener; 21. grooving; 22. a limit rod; 23. a miniature detonating device; 3. a clamping piece; 31. a fixed rod; 4. a connecting piece; 5. cooling bin; 51. a liquid storage bag; 52. a nozzle; 53. a push plate; 54. a fixing plate; 55. an elastic member; 56. a mounting shell; 6. a lip plate; 7. a plug head; 71. and (5) connecting wires.
Detailed Description
The technical solutions of the embodiments of the present application will be clearly and completely described below in conjunction with the embodiments of the present application, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Embodiment one:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, the system comprises a battery pack 1, wherein the battery pack 1 is installed on an automobile chassis through an installation component, the installation component comprises a separation module and a cooling module, the separation module drives the battery pack 1 to be separated from the automobile chassis when the separation module monitors that the battery pack 1 is rapidly heated and reaches a warning line through a temperature monitor, and the cooling module is fixed on the automobile chassis to cool the separated battery pack 1;
according to the technical scheme, the separation module and the cooling module are arranged between the battery pack 1 and the automobile chassis, when the battery pack 1 loses heat, the separation module actively separates the battery pack 1 from the automobile chassis, so that the battery pack 1 is prevented from harming the automobile body when the explosion fires, and therefore safety of a vehicle and passengers in the automobile is guaranteed.
As shown in fig. 2, fig. 4, fig. 5, fig. 6 and fig. 7, the separation module comprises a fastener 2 installed at two sides of the battery pack 1 and a clamping piece 3 fixedly inserted with the fastener 2, both are provided with interlocking U-shaped slots, so that the connection of the fastener 2 and the clamping piece is tighter, jolt separation of the fastener 2 and the clamping piece 3 in the running process of a vehicle is avoided, a miniature detonating device 23 is further arranged at the joint of the fastener 2 and the clamping piece 3, the miniature detonating device 23 takes high-pressure gas or explosive as an explosion energy source, when a plurality of miniature detonating devices 23 exist, the miniature detonating devices are mutually electrically connected, the clamping piece 3 is fixedly connected with the cooling module through a fixing rod 31 and a connecting piece 4, when the battery pack 1 loses temperature, an electric signal is sent to the miniature detonating device 23 through a temperature sensor, the miniature detonating device 23 is driven to generate small-range explosion sufficient to separate the fastener 2 and the clamping piece 3, and the battery pack 1 drives the fastener 2 to naturally fall under the action of gravity.
As shown in fig. 5, 6 and 7, in this embodiment, the connecting surface between the fastener 2 and the clip 3 is further laterally inserted with a stop lever 22, the connecting surface between the fastener 2 and the clip 3 is respectively provided with a semicircular groove corresponding to the position where the stop lever 22 is inserted, and after the stop lever 22 is laterally inserted, the stop lever 22 can avoid longitudinal displacement between the fastener 2 and the clip 3 when bump outside.
As shown in fig. 4 and 6, the lower end of the fastener 2 is tightly fixed to the battery pack 1, and the upper end of the fastener 2 is provided with a slot 21 at a position abutting against the battery pack 1, so that a certain space is reserved between the fastener 2 and the battery pack 1, and when the micro-detonation device 23 detonates, the vibration transmitted to the body of the battery pack 1 is reduced, the body of the battery pack 1 is protected, and the service life is prolonged.
As shown in fig. 2 and 8, the cooling module comprises a cooling bin 5, at least one lip plate 6 is arranged on the outer surface of the cooling bin 5, a plurality of mounting holes are formed in the surface of the lip plate 6 at intervals in relation to the length direction of the automobile chassis, and the lip plate 6 and the cooling module are connected with the automobile chassis together by screwing bolts into the mounting holes from bottom to top.
As shown in fig. 8, fig. 9 and fig. 10, a plurality of liquid storage bags 51 are arranged in the cooling bin 5, the liquid storage bags 51 are made of elastic materials, two sides of each liquid storage bag 51 are respectively provided with an extrusion device, each extrusion device comprises a push plate 53 and a fixed plate 54 which are slidably arranged on the outer wall of each liquid storage bag 51, an elastic piece 55 is arranged between each push plate 53 and each fixed plate 54, the elastic pieces 55 in the embodiment are return springs, mounting shells 56 are respectively arranged at positions of the push plates 53 and the corresponding elastic pieces 55 of the fixed plates 54, fire extinguishing agents are stored in the cavities of the liquid storage bags 51, the surfaces of the fire extinguishing agents are provided with nozzles 52 with openings facing the battery pack 1, the nozzles 52 are communicated with the cavities of the liquid storage bags 51 and the outer parts of the cooling bin 5, one ends of the nozzles 52, which are exposed out of the cooling bin 5, are detachably connected with plug heads 7 through connecting wires 71, when the plug heads 7 are not separated from the nozzles 52, the liquid storage bags 51 form a closed cavity structure by continuously tensioning the fire extinguishing agents, the inside the liquid storage bags 51 continuously abuts against the liquid storage bags 51 under the action of the elastic pieces 55, the expansion heads continuously abut against the liquid storage bags 51, the fire extinguishing agents are in the elastic bodies, the expansion heads are located outside the cavities of the elastic pieces, and the fire extinguishing agents are not balanced by the elastic pieces, and the expansion bodies, and the fire extinguishing agents are sprayed outside the fire extinguishing agents and can be sprayed outside through the fire extinguishing bags.
When the cooling module is started:
when the battery pack 1 falls under the action of gravity, the fastener 2 synchronously falls, at the moment, the connecting wire 71 pulls the plug 7 to separate from the nozzle 52, the fire extinguishing agent in the liquid storage pack 51 finds a release outlet, the fire extinguishing agent in the liquid storage pack 51 can be sprayed outwards through the nozzle 52, as the fire extinguishing agent in the liquid storage pack 51 is reduced, the outwards tension of the liquid storage pack 51 is gradually reduced, the dynamic balance is broken, the elastic pieces 55 on two sides push the push plate 53 to continuously squeeze the liquid storage pack 51, so that the fire extinguishing agent in the liquid storage pack 51 is extruded through the nozzle 52, and the surface of the battery pack 1 is sprayed with the fire extinguishing agent at the moment because the direction of the nozzle 52 faces the battery pack 1, so that the temperature losing phenomenon of the surface of the battery pack 1 is controlled, and the fire is prevented from being out of control.
Embodiment two:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, a thermal runaway self-rescue system of a new energy automobile comprises a battery pack 1, wherein the battery pack 1 is installed on an automobile chassis through an installation component, the installation component comprises a separation module and a cooling module, the separation module is used for driving the battery pack 1 to be separated from the automobile chassis when the separation module monitors that the battery pack 1 is rapidly heated and reaches a warning line through a temperature monitor, and the cooling module is fixed at the automobile chassis to cool the separated battery pack 1, compared with the first embodiment:
as shown in fig. 4, 5, 6 and 7, in this embodiment, there are a plurality of fasteners 2 and a plurality of clips 3, and a plurality of fasteners 2 and a plurality of clips 3 are disposed at intervals along the length direction of the battery pack 1, and welding spots are formed on the outer surface of the contact part between the fasteners 2 and the fixing rod 31, so that the reliability of the battery pack 1 installed on the chassis of the automobile is further improved, the unexpected falling of the battery pack 1 is avoided, and a mini-type detonating device 23 is also disposed at the position between the fasteners 2 and the fixing rod 31, so that the battery pack 1 is ensured to be smoothly separated from the chassis of the automobile when the battery pack 1 is required to be separated due to heat loss.
Embodiment III:
as shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, fig. 7, fig. 8, fig. 9 and fig. 10, a thermal runaway self-rescue system of a new energy automobile comprises a battery pack 1, wherein the battery pack 1 is installed on an automobile chassis through an installation component, the installation component comprises a separation module and a cooling module, the separation module is used for driving the battery pack 1 to be separated from the automobile chassis when the separation module monitors that the battery pack 1 is rapidly heated and reaches a warning line through a temperature monitor, and the cooling module is fixed on the automobile chassis to cool the separated battery pack 1, so that compared with the first embodiment, the system is used for cooling the separated battery pack 1
As shown in fig. 9 and 10, the plurality of nozzles 52 are arranged in two rows in height direction about the liquid storage bag 51, fire extinguishing agent is sprayed on the surface of the battery pack 1 in a parabolic curve shape when sprayed out through the nozzles 52, and the spraying track of the fire extinguishing agent is sprayed on the surface of the battery pack 1 from near to far about the nozzles 52, namely, the fire extinguishing agent sprayed out by the nozzles 52 positioned on two sides of the battery pack 1 is sprayed on the surface of the battery pack 1 at the position close to the self position, then along with the extrusion of the extrusion device, the pressure inside the liquid storage bag 51 is increased, the parabolic curve of the fire extinguishing agent sprayed out from the nozzles 52 is gradually increased, the fire extinguishing agent is sprayed from one side to the other side of the battery pack 1, and the spraying tracks of the fire extinguishing agent on two sides are intersected at the middle position of the battery pack 1, so that the comprehensive spraying on the surface of the battery pack 1 is realized, no spraying dead angle is formed, the cooling fire extinguishing operation can be better executed, the ignition point of the battery pack 1 is extinguished from the source, the economic and social effects caused by the loss of heat of the battery pack 1 are reduced as much as possible, and the safety of a user is protected.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is merely illustrative and explanatory of the application, as various modifications and additions may be made to the particular embodiments described, or in a similar manner, by those skilled in the art, without departing from the scope of the application or exceeding the scope of the application as defined in the claims.
Claims (10)
1. The utility model provides a new energy automobile thermal runaway system of saving oneself, includes battery package (1), its characterized in that, battery package (1) are installed at vehicle chassis through installation component, installation component includes separation module and cooling module, separation module monitors through temperature monitor battery package (1) intensifies fast and drives when reaching the warning line battery package (1) with vehicle chassis separates, cooling module fixes vehicle chassis department is to battery package (1) after the separation carries out cooling down.
2. The new energy automobile thermal runaway self-rescue system according to claim 1, wherein the separation module comprises a fastener (2) arranged on two sides of the battery pack (1) and a clamping piece (3) fixedly inserted with the fastener (2), the two are provided with interlocking U-shaped slots, a miniature detonating device (23) is further arranged at the joint of the two, the clamping piece (3) is fixedly connected with the cooling module through a fixing rod (31) and a connecting piece (4), an electric signal is sent to the miniature detonating device (23) through the temperature sensor, the miniature detonating device (23) is driven to perform small-range blasting enough to separate the fastener (2) and the clamping piece (3), and the battery pack (1) drives the fastener (2) to naturally fall under the action of gravity.
3. The thermal runaway self-rescue system of a new energy automobile according to claim 2, wherein a plurality of the fasteners (2) and a plurality of the clamping pieces (3) are arranged at intervals in the length direction of the battery pack (1), welding spots are formed on the outer surface of the contact part of the fasteners (2) and the fixing rod (31) through welding, and the miniature detonating device (23) is arranged at the position between the fasteners and the fixing rod.
4. The thermal runaway self-rescue system of the new energy automobile according to claim 2, wherein a limiting rod (22) is also transversely inserted into the connecting surface between the fastener (2) and the clamping piece (3), and the limiting rod (22) can avoid longitudinal displacement between the fastener and the clamping piece.
5. The thermal runaway self-rescue system of the new energy automobile according to claim 2, wherein the lower end of the fastener (2) is tightly and fixedly connected with the battery pack (1), and a cutting groove (21) is formed at the abutting position of the upper end of the fastener (2) and the battery pack (1), so that a certain space is reserved between the fastener (2) and the battery pack (1), and the battery pack (1) body is prevented from being seriously damaged when the miniature detonating device (23) detonates.
6. The thermal runaway self-rescue system of a new energy automobile according to claim 2, wherein at least one lip plate (6) is arranged on the outer surface of the cooling module, a plurality of mounting holes are formed on the surface of the lip plate (6) at intervals in the length direction of the automobile chassis, and the lip plate (6) and the cooling module are connected with the automobile chassis together by screwing bolts into the mounting holes from bottom to top.
7. The new energy automobile thermal runaway self-rescue system according to claim 6, wherein the cooling module comprises a cooling bin (5), a plurality of liquid storage bags (51) and an extrusion device are arranged in the cooling bin (5), fire extinguishing agents are stored in a cavity of the liquid storage bags (51), nozzles (52) facing the battery bags (1) are arranged on the surface of the liquid storage bags, the nozzles (52) are communicated with the cavity of the liquid storage bags (51) and the outside of the cooling bin (5), plugs (7) are detachably connected to one ends of the cooling bin (5) in a exposing mode, the plugs (7) are connected with the fasteners (2) through connecting lines (71), and when the battery bags (1) drive the fasteners (2) to fall under the action of gravity, the connecting lines (71) pull the plugs (7) to be separated from the nozzles (52), and the fire extinguishing agents in the battery bags (51) are sprayed to the surface of the battery bags (1) through the nozzles (52) to prevent the uncontrolled fire.
8. The new energy automobile thermal runaway self-rescue system according to claim 7, wherein the liquid storage bag (51) is made of elastic materials, the extrusion devices are arranged on two sides of the liquid storage bag, the extrusion devices comprise a push plate (53) which is slidably arranged on the outer wall of the liquid storage bag (51) and a fixed plate (54) which is fixedly arranged, an elastic piece (55) is arranged between the push plate (53) and the fixed plate (54), and mounting shells (56) are arranged on the opposite surfaces of the push plate (53) and the fixed plate (54) corresponding to the positions of the elastic piece (55);
when the plug head (7) is not separated from the nozzle (52), the fire extinguishing agent in the liquid storage bag (51) is continuously tensioned to form a closed cavity structure, the push plate (53) is continuously elastically abutted with the liquid storage bag (51) under the action of the elastic piece (55), and the outward tension of the expanded liquid storage bag (51) and the elastic force of the elastic piece (55) are balanced;
when the plug head (7) is separated from the nozzle (52), the fire extinguishing agent in the liquid storage bag (51) can overflow to the outside through the nozzle (52), at the moment, the outward tension of the liquid storage bag (51) is gradually reduced, and the elastic pieces (55) on two sides push the push plate (53) to continuously extrude the liquid storage bag (51), so that the fire extinguishing agent in the liquid storage bag (51) is completely extruded through the nozzle (52).
9. The thermal runaway self-rescue system of a new energy automobile as claimed in claim 8, wherein said elastic member (55) is a return spring.
10. The thermal runaway self-rescue system of a new energy automobile according to claim 7, wherein a plurality of nozzles (52) are arranged in two rows in height direction relative to the liquid storage bag (51), fire extinguishing agent is sprayed on the surface of the battery pack (1) in a parabolic curve shape when sprayed out through the nozzles (52), the parabolic curve gradually increases along with extrusion of the extrusion device, the fire extinguishing agent is sprayed from one side of the battery pack (1) to the other side, the spraying track of the fire extinguishing agent is sprayed on the surface of the battery pack (1) from near to far relative to the nozzles (52), and the spraying tracks of the fire extinguishing agent at two sides meet at the middle position of the battery pack (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310874296.9A CN117162786A (en) | 2023-07-17 | 2023-07-17 | New energy automobile thermal runaway self-rescue system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310874296.9A CN117162786A (en) | 2023-07-17 | 2023-07-17 | New energy automobile thermal runaway self-rescue system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN117162786A true CN117162786A (en) | 2023-12-05 |
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ID=88938205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310874296.9A Pending CN117162786A (en) | 2023-07-17 | 2023-07-17 | New energy automobile thermal runaway self-rescue system |
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| CN (1) | CN117162786A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559062A (en) * | 2024-01-10 | 2024-02-13 | 赵磊 | Battery mounting structure for new energy automobile |
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2023
- 2023-07-17 CN CN202310874296.9A patent/CN117162786A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559062A (en) * | 2024-01-10 | 2024-02-13 | 赵磊 | Battery mounting structure for new energy automobile |
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