New energy vehicle battery pack and new energy vehicle

Abstract

The present invention discloses a new energy vehicle battery pack and a new energy vehicle, and relates to the technical field of new energy electric vehicles. The present invention provides a new energy vehicle battery pack and a new energy vehicle with fire prevention function. It includes a battery placement box, and also includes a smoke alarm, the smoke alarm is fixedly installed on the battery placement box, the battery placement box is connected to a gas tank, a rotating screw is rotatably connected to the gas tank, a connecting screw is fixedly connected to the top of the rotating screw, a piston is threadedly connected to the rotating screw, and a gas storage box is fixedly installed on the side of the battery placement box close to the gas tank, and the gas storage box is filled with compressed carbon dioxide. Through the cooperation between the gas tank and the gas storage box, the present invention can first extract most of the gas in the battery placement box when the battery pack smokes or sparks, and then input carbon dioxide into the battery placement box, so that the battery pack can be prevented from catching fire and exploding, and the spontaneous combustion of new energy vehicles can be prevented, thereby improving the safety factor.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy electric vehicles, and in particular to a new energy vehicle battery pack and a new energy vehicle. Background Art

[0002] As the power source of new energy vehicles, car battery packs may catch fire and explode under the influence of the environment during use, causing spontaneous combustion of new energy vehicles. Therefore, fire-proof and explosion-proof measures must be taken during the use of car battery packs.

[0003] The patent with the publication number CN210349899U discloses a novel explosion-proof automobile battery, including a box body, a shock absorbing mechanism is arranged at the bottom of the inner cavity of the box body, a fixing plate is fixedly connected to the top of the shock absorbing mechanism, and a first groove is provided on the top of the fixing plate, a battery body is arranged inside the first groove, a support rod is fixedly connected to the top of the fixing plate, a bolt is threadedly connected to the top of the surface of the support rod, a pressure plate is movably connected to the bottom of the bolt through a bearing, and a heat dissipation mechanism is arranged on the back of the box body. When in use, with the cooperation of the shock absorbing mechanism and the heat dissipation mechanism, the automobile battery can be cooled and shock-absorbed to avoid the automobile battery from exploding due to excessive temperature. However, when the automobile battery is in use, if the automobile battery is bumped and damaged, the automobile battery may short-circuit and smoke or spark. Since it is difficult to extinguish the smoking automobile battery in the automobile battery of the patent, the automobile battery may catch fire and explode in the later stage, which further causes the new energy vehicle to spontaneously combust, thus posing a safety hazard.

[0004] In view of the above shortcomings, we have specially designed a new energy vehicle battery pack and a new energy vehicle with fire prevention function. Summary of the invention

[0005] The present invention provides a new energy vehicle battery pack and a new energy vehicle with fire prevention function, so as to overcome the disadvantage that the vehicle battery in the prior art is difficult to extinguish itself when smoke and sparks occur during use.

[0006] A new energy vehicle battery pack and a new energy vehicle, comprising a battery placement box, a symmetrically arranged multi-stage cylinder is fixedly installed on the battery placement box, a cover is fixedly connected between the tops of the symmetrically arranged multi-stage cylinder telescopic rods, a chuck is fixedly connected to the side of the battery placement box away from the cover, a plurality of battery packs are clamped on the chuck, and a smoke alarm is also included, the smoke alarm is fixedly installed on the battery placement box, the smoke alarm and the multi-stage cylinder are electrically connected, a gas tank is connected to the battery placement box, a rotating screw rod is rotatably connected to the gas tank, a connecting screw rod is fixedly connected to the top of the rotating screw rod, a piston is threadedly connected to the rotating screw rod, a lower moving piece for extrusion matching with the cover is slidably connected to the side of the gas tank close to the connecting screw rod, the lower moving piece and the connecting screw rod are threadedly connected, and the electric A gas storage box is fixedly installed on one side of the battery placement box close to the gas tank, and compressed carbon dioxide is contained in the gas storage box. A ventilation rack is connected between the gas storage box and the battery placement box, and a buffer component for buffering and protecting the battery pack is provided on the battery placement box, and an opening and closing component for opening and closing the ventilation rack is provided on the gas tank; it also includes a heat dissipation component for dissipating heat inside the battery placement box, and the heat dissipation component is arranged on the battery placement box. The heat dissipation component includes a guide block, which is fixedly connected to the battery placement box, and the battery placement box is provided with symmetrically arranged heat dissipation holes. A shielding piece is slidably connected to the guide block for extrusion-matching with the cover, and a pressure spring is fixedly connected between the shielding piece and the top of the guide block, and a symmetrically arranged sealing block is fixedly installed on one side of the shielding piece close to the heat dissipation hole.

[0007] Furthermore, the buffer assembly includes a first fixing part, a plurality of first fixing parts are fixedly connected to the battery placement box, a first telescopic part is rotatably connected to the first fixing part, the first telescopic part has a spring inside, symmetrically arranged buffer torsion springs are fixedly connected between the first telescopic part and the adjacent first fixing part, a second fixing part is fixedly connected to the side of the first telescopic part away from the battery placement box, and a protective cover is fixedly connected between the second fixing parts.

[0008] Furthermore, the opening and closing assembly includes an opening and closing member, which is slidably connected between the gas tank and the ventilation frame, the opening and closing member is squeezed and fitted with the bottom of the piston, and a return spring is fixed between the opening and closing member and the bottom of the gas tank.

[0009] Furthermore, it also includes a prompt component for prompting that the chassis of the new energy vehicle is bumped. The prompt component is arranged at the bottom of the battery placement box. The prompt component includes a second telescopic part. Multiple second telescopic parts are fixedly connected to the bottom of the battery placement box. The second telescopic parts all have springs inside. Protective plates are fixedly connected between the bottoms of the second telescopic parts. An extrusion rod is fixedly connected to the protective plate. An alarm is fixedly installed on one side of the battery placement box close to the extrusion rod. The alarm is electrically connected to the display panel of the new energy vehicle. The button at the bottom of the alarm is squeezed and fit with the top of the extrusion rod.

[0010] Furthermore, it also includes a rubber pad for assisting the protective plate in protecting the bottom of the battery placement box, and the rubber pad is fixed to the bottom of the protective plate.

[0011] Furthermore, it also includes a cooling component for cooling the inside of the battery placement box. The cooling component is arranged on the battery placement box. The cooling component includes a support plate. The symmetrically arranged support plates are fixed to the battery placement box. A plurality of condensing tubes are installed on the top of the support plate.

[0012] Furthermore, it also includes a cleaning component for cleaning dust on the surface of the condenser tube. The cleaning component is arranged on the support plate, and the cleaning component includes a guide rod, which is fixedly connected to one of the support plates. A cleaning frame is slidably connected between the guide rod and the condenser tube. A driving motor is fixedly installed on one of the support plates, and the driving motor is electrically connected to the smoke alarm. A threaded rod is fixedly connected to the output shaft of the driving motor, and the threaded rod is threadedly connected to the cleaning frame.

[0013] Furthermore, it also includes a fire extinguishing component for extinguishing a fire inside the battery placement box. The fire extinguishing component is arranged on the battery placement box. The fire extinguishing component includes a storage box. The storage box is fixedly connected to the battery placement box. The storage box stores dry powder fire extinguishing agent. An injector is fixedly installed on the top of the cleaning rack. The injector and the smoke alarm are electrically connected. A first hose is connected between the injector and the storage box, and a surface of the first hose is coated with a high temperature resistant paint.

[0014] Furthermore, it also includes an airbag for assisting the protective cover to protect the battery placement box, and the airbag is fixedly installed on the protective cover.

[0015] Compared with the prior art, the present invention has the following advantages: 1. Through the cooperation between the gas tank and the gas storage box, when the battery pack smokes or sparks, the present invention can first extract most of the gas in the battery storage box, and then input carbon dioxide into the battery storage box. This can avoid the battery pack from catching fire and exploding, prevent the spontaneous combustion of new energy vehicles, and thus improve the safety factor.

[0016] 2. The present invention can protect the battery storage box when the new energy vehicle is hit by a collision through the cooperation between the protective cover, the first telescopic part, the buffer torsion spring and the second fixing part, thereby preventing the battery pack in the battery storage box from being damaged and burned, thereby improving the protection effect of the battery pack.

[0017] 3. Through the coordination between the protective plate, the extrusion rod, the alarm and the rubber pad, the present invention can not only protect the bottom of the battery storage box when the chassis of the new energy vehicle is slightly bumped during travel, but also remind the car owner to prevent the chassis of the new energy vehicle from being further bumped, resulting in damage to the battery pack in the battery storage box, thereby enhancing the protection effect on the battery pack.

[0018] 4. The present invention utilizes the installed condenser to cool the inside of the battery storage box, preventing the battery storage box from being overheated and causing thermal runaway of the battery pack, thereby preventing the battery pack from catching fire and exploding, thereby improving the fire prevention effect.

[0019] 5. The present invention sprays dry powder fire extinguishing agent through an injector, which can promptly extinguish the battery pack when sparks appear in the battery pack, preventing the battery pack from spontaneously igniting inside the battery storage box, thereby enhancing the fire prevention effect.

[0020] 6. The present invention dissipates heat inside the battery storage box through the heat dissipation holes, which can improve the heat dissipation effect on the battery pack and prevent the battery pack from overheating. The shielding member and the sealing block are pressed downward through the cover, so that the heat dissipation holes can be sealed when the gas tank evacuates air from the battery storage box, thereby avoiding affecting the air extraction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0022] Figure 2 It is a schematic diagram of the three-dimensional structure of the battery storage box, multi-stage cylinder and cover of the present invention.

[0023] Figure 3 It is a sectional view of the three-dimensional structure of the cover, smoke alarm, chuck and other components of the present invention.

[0024] Figure 4 It is a schematic diagram of the three-dimensional structure of the buffer component of the present invention.

[0025] Figure 5 It is a schematic diagram of the three-dimensional structure of the first fixing member, the first telescopic member, the buffer torsion spring and other components of the present invention.

[0026] Figure 6 It is a schematic diagram of the three-dimensional structure of the gas tank, the downward moving member, the connecting screw and other components of the present invention.

[0027] Figure 7 It is a schematic diagram of the three-dimensional structure of the connecting screw rod, the rotating screw rod, the piston and other components of the present invention.

[0028] Figure 8 It is a sectional view of the three-dimensional structure of the opening and closing piece, the air storage box, the ventilation frame and other components of the present invention.

[0029] Fig. 9 It is a schematic diagram of the three-dimensional structure of the prompt component of the present invention.

[0030] Fig.10 It is a schematic diagram of the three-dimensional structure of the cooling component of the present invention.

[0031] Fig.11It is a schematic diagram of the three-dimensional structure of the support plate, condenser tube, cleaning rack and other components of the present invention.

[0032] Fig.12 It is a schematic diagram of the three-dimensional structure of the fire extinguishing assembly of the present invention.

[0033] Fig.13 It is a schematic diagram of the three-dimensional structure of the heat dissipation component of the present invention.

[0034] The reference numbers in the figure are: 1-battery storage box, 11-multi-stage cylinder, 12-cover, 13-smoke alarm, 14-chuck, 15-battery pack, 16-protective cover, 17-first fixing member, 18-first telescopic member, 19-buffer torsion spring, 110-second fixing member, 2-gas tank, 21-downward moving member, 22-connecting screw rod, 23-rotating screw rod, 24-piston, 25-opening and closing member, 26-gas storage box, 27 -ventilation rack, 28-return spring, 3-second telescopic member, 31-protective plate, 32-extrusion rod, 33-alarm, 34-rubber pad, 4-support plate, 41-condenser, 42-cleaning rack, 43-drive motor, 44-threaded rod, 45-guide rod, 5-storage box, 51-first hose, 52-injector, 6-airbag, 61-shielding member, 62-sealing block, 63-pressure spring, 64-guide block. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Embodiment 1: A new energy vehicle battery pack and a new energy vehicle, such as Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , Figure 7 and Figure 8As shown, it includes a battery placement box 1, the left and right parts of the front side of the battery placement box 1 are fixedly installed with a multi-stage cylinder 11, a cover 12 is fixedly connected between the tops of the telescopic rods of the multi-stage cylinder 11, a smoke alarm 13 is fixedly installed on the upper left wall of the battery placement box 1, the smoke alarm 13 and the multi-stage cylinder 11 are electrically connected, a chuck 14 is fixedly connected to the bottom wall of the battery placement box 1, and a plurality of battery packs 15 are sequentially clamped on the chuck 14 from left to right, the right side of the front of the battery placement box 1 is connected with a gas tank 2, the middle part of the gas tank 2 is rotatably connected with a rotating screw rod 23, the top of the rotating screw rod 23 is fixedly connected with a connecting screw rod 22, and the rotating screw rod 23 is fixedly connected to the connecting screw rod 22. A piston 24 is threadedly connected to the rod 23, and the piston 24 is slidably connected to the inner wall of the gas tank 2. A downward moving piece 21 for extrusion-matching with the lower right side of the cover 12 is slidably connected to the upper part of the gas tank 2, and the right part of the downward moving piece 21 is threadedly connected to the connecting screw 22. A gas storage box 26 is fixedly installed on the right side of the rear of the battery placement box 1, and the gas storage box 26 is filled with compressed carbon dioxide. A ventilation rack 27 is connected between the bottom of the gas storage box 26 and the battery placement box 1, and a buffer assembly for buffering and protecting the battery pack 15 is provided on the outer wall of the battery placement box 1, and an opening and closing assembly for opening and closing the ventilation rack 27 is provided at the lower part of the gas tank 2.

[0037] like Figure 4 and Figure 5 As shown, the buffer assembly includes a first fixing part 17, the number of the first fixing parts 17 is four, and the four first fixing parts 17 are respectively fixed to the front, back, left and right sides of the battery placement box 1, and the first fixing parts 17 are rotatably connected to the first telescopic parts 18, the first telescopic parts 18 have a spring inside, and buffer torsion springs 19 are fixed to the upper and lower sides of the first telescopic parts 18 and between the adjacent first fixing parts 17, and the buffer torsion springs 19 are all wound on the first fixing parts 17, and the outer sides of the first telescopic parts 18 are fixed to the second fixing parts 110, and the protective covers 16 are fixed between the second fixing parts 110.

[0038] like Figure 7 and Figure 8 As shown, the opening and closing assembly includes an opening and closing member 25, which is slidably connected between the lower part of the gas tank 2 and the lower part of the ventilation frame 27, the front upper side of the opening and closing member 25 and the bottom of the piston 24 are squeezed together, and a return spring 28 is fixed between the opening and closing member 25 and the bottom of the gas tank 2.

[0039] When the new energy vehicle battery pack 15 is used with the new energy vehicle, the battery placement box 1 is first installed on the chassis of the new energy vehicle, and then the multi-stage cylinder 11 is turned on, and the telescopic rod of the multi-stage cylinder 11 is controlled to retract a certain distance, so that the telescopic rod of the multi-stage cylinder 11 drives the cover 12 to move downward, so as to protect the battery pack 15 in the battery placement box 1, and the cover 12 will not exceed the upper side of the battery placement box 1 when moving downward, so as to maintain ventilation inside the battery placement box 1 and dissipate heat for the battery pack 15 inside the battery placement box 1. When the battery pack 15 is in use and the new energy vehicle collides, the protective cover 16 will protect the battery placement box 1 to prevent the battery pack 15 in the battery placement box 1 from being collided, thereby avoiding damage and fire of the battery pack 15. Explosion, when the protective cover 16 is collided, the first telescopic member 18 will perform a telescopic movement, and the spring in the first telescopic member 18 will undergo an adaptive deformation, so that the protective cover 16 can be buffered and protected, and the first telescopic member 18 will also rotate, and the buffer torsion spring 19 will undergo an adaptive deformation, so that the buffering protection effect of the protective cover 16 can be improved, thereby enhancing the protection of the protective cover 16 to the battery storage box 1. During the use of the battery pack 15, when the battery pack 15 is damaged, thermally runaway or squeezed, the battery pack 15 will smoke or spark. At this time, the smoke alarm 13 will detect smoke in the battery storage box 1, and the smoke alarm 13 will sound an alarm for a period of time to remind people around, and the smoke The alarm 13 will also control the telescopic rod of the multi-stage cylinder 11 to continue to retract a certain distance through the control module, and then drive the cover 12 to move downward to cover the upper side of the battery storage box 1, and the cover 12 will also squeeze the lower moving part 21 downward, so that the lower moving part 21 drives the connecting screw 22 to drive the rotating screw 23 to rotate, and then drives the piston 24 to move downward. At this time, the gas tank 2 will draw most of the gas in the battery storage box 1. When the gas tank 2 is about to be filled with gas, the piston 24 will also move downward to contact the opening and closing part 25, and then squeeze the opening and closing part 25 downward, and then the return spring 28 will be stretched. At this time, the compressed carbon dioxide in the gas storage box 26 will enter the battery storage box 1 through the ventilation rack 27, so as to prevent the battery pack 15 from catching fire and exploding. When the battery pack 15 has a problem and needs to be replaced or repaired, the telescopic rod of the multi-stage cylinder 11 is first controlled to extend, and then the cover 12 is driven to move upward to open the upper side of the battery storage box 1. At this time, the cover 12 no longer squeezes the lower moving member 21, and then people manually move the lower moving member 21 upward so that the lower moving member 21 drives the connecting screw rod 22 to drive the rotating screw rod 23 to rotate in a certain direction, and then drives the piston 24 to move upward, and no longer squeezes the opening and closing member 25. At this time, under the action of the return spring 28, the opening and closing member 25 will automatically move upward to close the ventilation frame 27. After that, people manually take the battery pack 15 out of the chuck 14 to repair or replace the battery pack 15. When the battery pack 15 is repaired or replaced,People then add compressed carbon dioxide to the gas storage box 26. In summary, when the battery pack 15 is in use, the battery pack 15 can be protected to prevent the battery pack 15 from catching fire or exploding, which may cause the new energy vehicle to spontaneously combust.

[0040] Embodiment 2: Based on embodiment 1, Fig. 9 As shown, the new energy vehicle battery pack and the new energy vehicle of this embodiment also include a prompt component for prompting that the chassis of the new energy vehicle is bumped, the prompt component is arranged at the bottom of the battery placement box 1, the prompt component includes a second telescopic member 3, the number of the second telescopic members 3 is four, the four second telescopic members 3 are respectively fixed to the left and right parts on the front and back sides of the bottom of the battery placement box 1, the second telescopic members 3 have springs inside, a protective plate 31 is fixed between the bottoms of the second telescopic members 3, an extrusion rod 32 is fixed to the upper left side of the protective plate 31, an alarm 33 is fixedly installed on the left side of the front lower part of the battery placement box 1, the alarm 33 is electrically connected to the display panel of the new energy vehicle, and the button at the bottom of the alarm 33 is squeezed and fitted with the top of the extrusion rod 32.

[0041] like Fig. 9 As shown, a rubber pad 34 is also included for assisting the protective plate 31 to protect the bottom of the battery storage box 1 , and the rubber pad 34 is fixedly connected to the bottom of the protective plate 31 .

[0042] During the driving of the new energy vehicle, the chassis of the new energy vehicle may be bumped. If the bump is serious and causes the battery pack 15 to be bumped, the battery pack 15 will catch fire due to damage. In order to avoid this phenomenon, the reminder component can be used to remind the owner when the chassis of the new energy vehicle is slightly bumped. The specific operation is as follows: when the chassis of the new energy vehicle is slightly bumped, the protective plate 31 and the rubber pad 34 will protect the battery pack 15 to prevent the battery pack 15 from being damaged, and the protective plate 31 and the rubber pad 34 will also be squeezed upward by the impact object, and then the second telescopic part 3 will retract, and the spring in the second telescopic part 3 will be compressed. At this time, the protective plate 31 will also drive the squeezing rod 32 to move upward, so that the squeezing rod 32 presses the button on the alarm 33 to start. The alarm 33 is activated to give an alarm prompt to the car owner, reminding the car owner to drive the new energy vehicle away from the area to avoid serious bumps on the chassis of the new energy vehicle, thereby preventing the protective plate 31 and the rubber pad 34 from being broken. When the car owner drives the new energy vehicle away from the area and the rubber pad 34 is no longer squeezed, under the action of the spring in the second telescopic part 3, the second telescopic part 3 will extend and then drive the protective plate 31, the squeezing rod 32 and the rubber pad 34 to move downward, so that the squeezing rod 32 no longer squeezes the button on the alarm 33, and the alarm 33 will automatically turn off at this time. In summary, when the chassis of the new energy vehicle is slightly bumped, the car owner can be prompted to avoid the chassis of the new energy vehicle from continuing to be bumped, resulting in damage to the battery pack 15, the protective plate 31 and the rubber pad 34.

[0043] like Fig.10 and Fig.11 As shown, it also includes a cooling component for cooling the interior of the battery placement box 1. The cooling component is arranged on the inner wall of the battery placement box 1. The cooling component includes a support plate 4. There are two support plates 4. The two support plates 4 are respectively fixed to the lower part of the inner front wall and the lower part of the inner front wall of the battery placement box 1. A plurality of condensation tubes 41 are installed in sequence from left to right on the top of the support plate 4.

[0044] like Fig.10 and Fig.11 As shown, it also includes a cleaning component for cleaning dust on the surface of the condenser 41. The cleaning component is arranged on the support plate 4. The cleaning component includes a cleaning frame 42 and a guide rod 45. The guide rod 45 is fixedly connected to the upper right side of the front support plate 4. The cleaning frame 42 is slidably connected between the guide rod 45 and the condenser 41. A driving motor 43 is fixedly installed on the right part of the rear support plate 4. The driving motor 43 is electrically connected to the smoke alarm 13. A threaded rod 44 is fixedly connected to the output shaft of the driving motor 43. The threaded rod 44 and the cleaning frame 42 are threadedly connected.

[0045] When the battery pack 15 is in use, the battery pack 15 will generate a lot of heat, causing the temperature inside the battery storage box 1 to be too high, and the battery pack 15 will experience thermal runaway. In order to prevent the battery pack 15 from catching fire and exploding due to high temperature, a cooling component can be used for operation. The specific operation is as follows: When the battery pack 15 is in use, the condenser 41 will cool the inside of the battery storage box 1 to avoid the temperature inside the battery storage box 1 being too high and the battery pack 15 experiencing thermal runaway. After the condenser 41 has been used for a period of time, dust may adhere to the surface of the condenser 41. In order to avoid In order to prevent dust from affecting the cooling effect of the condenser 41, the dust on the surface of the condenser 41 can be cleaned regularly. When cleaning, people only need to turn on the drive motor 43 and control the output shaft of the drive motor 43 to drive the threaded rod 44 to continuously rotate forward and reverse, and then drive the cleaning frame 42 to move up and down to scrape off the dust on the surface of the condenser 41. In this way, the dust on the surface of the condenser 41 can be automatically cleaned. When the cleaning is completed, the drive motor 43 can be turned off. In summary, the interior of the battery placement box 1 can be cooled to prevent the battery pack 15 from overheating and explosion.

[0046] like Fig.12 As shown, a fire extinguishing assembly for extinguishing a fire inside the battery placement box 1 is also included. The fire extinguishing assembly is arranged inside the battery placement box 1. The fire extinguishing assembly includes a storage box 5. The storage box 5 is fixedly connected to the battery placement box 1. The storage box 5 stores a dry powder fire extinguishing agent. An injector 52 is fixedly installed on the top of the cleaning rack 42. The injector 52 is electrically connected to the smoke alarm 13. A first hose 51 is connected between the left side of the injector 52 and the storage box 5. The surface of the first hose 51 is coated with a high-temperature resistant paint.

[0047] When smoke or sparks appear in the battery pack 15, in order to prevent the battery pack 15 from catching fire, a fire extinguishing assembly can be used to extinguish the sparks. The specific operation is as follows: when the smoke alarm 13 detects smoke or sparks inside the battery storage box 1, the smoke alarm 13 will control the injector 52 to open through the control module, so that the injector 52 sprays the dry powder fire extinguishing agent in the storage box 5 toward the battery pack 15, extinguishes the fire of the battery pack 15, and prevents the battery pack 15 from catching fire. At the same time, the smoke alarm 13 will also control the output shaft of the drive motor 43 through the control module to drive the threaded rod 44 to rotate forward and reverse, and then drive the cleaning rack 42 to drive the injector 52 to move up and down, and then the first hose 51 undergoes adaptive deformation, so that the spraying range of the injector 52 can be expanded. When the dry powder fire extinguishing agent in the storage box 5 is sprayed, the injector 52 will automatically close, and then people will turn off the drive motor 43. In summary, the sparks on the battery pack 15 can be extinguished to prevent the battery storage box 1 from catching fire.

[0048] like Fig.13As shown, it also includes a heat dissipation component for dissipating heat inside the battery placement box 1. The heat dissipation component is arranged on the battery placement box 1, and the heat dissipation component includes a guide block 64. The guide block 64 is fixedly connected to the front side of the upper part of the battery placement box 1. Heat dissipation holes are opened on the left and right sides of the front lower part of the battery placement box 1. A shielding member 61 is slidably connected on the guide block 64 for being squeezed and matched with the front lower side of the cover 12. A pressure spring 63 is fixedly connected between the upper part of the shielding member 61 and the top of the guide block 64, and sealing blocks 62 are fixedly installed on the left and right parts of the lower rear side of the shielding member 61.

[0049] like Fig.13 As shown, an airbag 6 is also included for assisting the protective cover 16 in protecting the battery placement box 1 , and the airbag 6 is fixedly mounted on the lower outer wall of the protective cover 16 .

[0050] If people need to improve the heat dissipation effect of the battery pack 15, they can use the heat dissipation component for operation, and the specific operation is as follows: when people use the battery pack 15, the heat dissipation holes will also dissipate heat inside the battery placement box 1 to prevent the battery placement box 1 from overheating, and when the cover 12 moves downward to cover the battery placement box 1, the cover 12 will also squeeze the shielding member 61 and the sealing block 62 downward, so that the shielding member 61 and the sealing block 62 seal the heat dissipation holes, and then the pressure spring 63 is compressed, which can assist the gas tank 2 to draw gas into the battery placement box 1, and then when the cover 12 moves upward and no longer squeezes the shielding member 61, under the action of the pressure spring 63, the shielding member 61 and the sealing block 62 will automatically move upward and reset, and when the protective cover 16 is hit, the airbag 6 will also assist the protective cover 16 to protect the battery placement box 1. In summary, the heat dissipation effect inside the battery placement box 1 can be improved.

[0051] Although the present invention is described in detail with reference to the above embodiments, it is obvious to those skilled in the art through this disclosure that various changes or modifications may be made to the present invention without departing from the principle and spirit of the present invention defined by the claims. Therefore, the detailed description of the embodiments of the present disclosure is only used to explain, not to limit the present invention, but the scope of protection is limited by the content of the claims.

Claims

1. A new energy vehicle, comprising a battery storage box (1), wherein a symmetrically arranged multi-stage cylinder (11) is fixedly mounted on the battery storage box (1), a cover (12) is fixedly connected between the tops of the telescopic rods of the symmetrically arranged multi-stage cylinder (11), a chuck (14) is fixedly connected to the side of the battery storage box (1) away from the cover (12), and a plurality of battery packs (15) are clamped on the chuck (14), wherein the battery storage box (1) is characterized in that: The invention also comprises a smoke alarm (13), the smoke alarm (13) being fixedly mounted on the battery placement box (1), the smoke alarm (13) being electrically connected to the multi-stage cylinder (11), the battery placement box (1) being connected to a gas tank (2), the gas tank (2) being rotatably connected to a rotating screw rod (23), the top of the rotating screw rod (23) being fixedly connected to a connecting screw rod (22), the rotating screw rod (23) being threadedly connected to a piston (24), a lower moving member (21) for extrusion-matching with the cover (12) being slidably connected to a side of the gas tank (2) close to the connecting screw rod (22), the lower moving member (21) and the connecting screw rod (22) being threadedly connected, a gas storage box (26) being fixedly mounted on a side of the battery placement box (1) close to the gas tank (2), the gas storage box (26) containing compressed carbon dioxide, the gas storage box (26) and the battery placement box The boxes (1) are connected to a ventilation rack (27); a buffer assembly for buffering and protecting the battery pack (15) is provided on the battery placement box (1); an opening and closing assembly for opening and closing the ventilation rack (27) is provided on the gas tank (2); and a heat dissipation assembly for dissipating heat inside the battery placement box (1) is also provided. The heat dissipation assembly is provided on the battery placement box (1), and the heat dissipation assembly includes a guide block (64), the guide block (64) is fixedly connected to the battery placement box (1), and the battery placement box (1) is provided with symmetrically arranged heat dissipation holes. A shielding member (61) for extrusion-matching with the cover (12) is slidably connected to the guide block (64), and a pressure spring (63) is fixedly connected between the shielding member (61) and the top of the guide block (64). A symmetrically arranged sealing block (62) is fixedly installed on one side of the shielding member (61) close to the heat dissipation hole.

2. A new energy vehicle according to claim 1, characterized in that: The buffer assembly comprises a first fixing member (17), a plurality of first fixing members (17) are fixedly connected to a battery storage box (1), a first telescopic member (18) is rotatably connected to the first fixing member (17), the first telescopic member (18) has a spring inside, a symmetrically arranged buffer torsion spring (19) is fixedly connected between the first telescopic member (18) and the adjacent first fixing member (17), a second fixing member (110) is fixedly connected to a side of the first telescopic member (18) away from the battery storage box (1), and a protective cover (16) is fixedly connected between the second fixing members (110).

3. A new energy vehicle according to claim 2, characterized in that: The opening and closing assembly comprises an opening and closing member (25), the opening and closing member (25) being slidably connected between the gas tank (2) and the ventilation frame (27), the opening and closing member (25) and the bottom of the piston (24) being extrusion-fitted, and a return spring (28) being fixedly connected between the opening and closing member (25) and the bottom of the gas tank (2).

4. A new energy vehicle according to claim 3, characterized in that: The invention also comprises a prompting component for prompting that the chassis of the new energy vehicle has been bumped, the prompting component is arranged at the bottom of the battery placement box (1), the prompting component comprises a second telescopic member (3), a plurality of second telescopic members (3) are fixedly connected to the bottom of the battery placement box (1), the second telescopic members (3) are provided with springs inside, a protective plate (31) is fixedly connected between the bottoms of the second telescopic members (3), an extrusion rod (32) is fixedly connected to the protective plate (31), an alarm (33) is fixedly installed on one side of the battery placement box (1) close to the extrusion rod (32), the alarm (33) is electrically connected to the display panel of the new energy vehicle, and a button at the bottom of the alarm (33) is extruded and matched with the top of the extrusion rod (32).

5. A new energy vehicle according to claim 4, characterized in that: It also includes a rubber pad (34) for assisting the protective plate (31) in protecting the bottom of the battery storage box (1); the rubber pad (34) is fixedly connected to the bottom of the protective plate (31).

6. A new energy vehicle according to claim 5, characterized in that: It also includes a cooling component for cooling the interior of the battery storage box (1), the cooling component being arranged on the battery storage box (1), the cooling component including a support plate (4), the support plates (4) being symmetrically arranged and fixedly connected to the battery storage box (1), and a plurality of condensing tubes (41) being installed on the top of the support plates (4).

7. A new energy vehicle according to claim 6, characterized in that: The cleaning device also includes a cleaning component for cleaning dust on the surface of the condenser tube (41). The cleaning component is arranged on the support plate (4). The cleaning component includes a guide rod (45). The guide rod (45) is fixedly connected to one of the support plates (4). A cleaning frame (42) is slidably connected between the guide rod (45) and the condenser tube (41). A driving motor (43) is fixedly mounted on one of the support plates (4). The driving motor (43) is electrically connected to the smoke alarm (13). A threaded rod (44) is fixedly connected to the output shaft of the driving motor (43). The threaded rod (44) and the cleaning frame (42) are threadedly connected.

8. A new energy vehicle according to claim 7, characterized in that: The invention also comprises a fire extinguishing assembly for extinguishing a fire inside the battery storage box (1). The fire extinguishing assembly is arranged on the battery storage box (1). The fire extinguishing assembly comprises a storage box (5). The storage box (5) is fixedly connected to the battery storage box (1). A dry powder fire extinguishing agent is stored in the storage box (5). An ejector (52) is fixedly mounted on the top of the cleaning rack (42). The ejector (52) and the smoke alarm (13) are electrically connected. A first hose (51) is connected between the ejector (52) and the storage box (5). The surface of the first hose (51) is coated with a high temperature resistant coating.

9. A new energy vehicle according to claim 8, characterized in that: It also includes an air bag (6) for assisting the protective cover (16) in protecting the battery storage box (1); the air bag (6) is fixedly mounted on the protective cover (16).

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