CN212979895U

CN212979895U - New energy vehicle battery compartment fire resistive construction

Info

Publication number: CN212979895U
Application number: CN202021021268.0U
Authority: CN
Inventors: 刘松
Original assignee: Zhengzhou Yingpeng Auto Parts Co Ltd
Current assignee: Zhengzhou Yingpeng Auto Parts Co Ltd
Priority date: 2020-06-06
Filing date: 2020-06-06
Publication date: 2021-04-16
Anticipated expiration: 2030-06-06

Abstract

The utility model discloses a new energy vehicle battery compartment fire resistive construction, its technical scheme main points are: the battery compartment comprises a battery compartment body, a battery mounting plate and a battery pack; the inner wall of the battery compartment body is fixedly provided with a fireproof layer, the fireproof layer consists of a first fireproof cloth layer, a novel nanometer heat-insulating fireproof material layer and a second fireproof cloth layer, and the novel nanometer heat-insulating fireproof material layer is positioned between the first fireproof cloth layer and the second fireproof cloth layer; a water tank is arranged outside the battery compartment body, a circulating water pump and a heat exchanger are fixedly arranged on the outer wall of the top of the battery compartment body, a communicating pipe is fixedly arranged between the circulating water pump and the heat exchanger, the circulating water pump is communicated with the water tank through a water outlet pipe, and the heat exchanger is communicated with the water tank through a water inlet pipe; the inner wall of the water tank is fixedly provided with a temperature sensor, and the outer side wall of the battery compartment body is fixedly provided with a controller; the utility model discloses has cooling effect and fire prevention effect.

Description

New energy vehicle battery compartment fire resistive construction

Technical Field

The utility model relates to a new energy vehicle battery compartment technical field, in particular to new energy vehicle battery compartment fire resistive construction.

Background

The new energy automobile comprises a pure electric automobile, a range-extended electric automobile, a hybrid electric automobile, a fuel cell electric automobile, a hydrogen engine automobile and other new energy automobiles, and the new energy automobile can save energy, realize zero emission or approximate zero emission, is environment-friendly and energy-saving, and reduces pollution. However, as the new energy automobile needs to use the battery as power, the battery can generate large heat after being used for a long time, the battery can generate large heat due to overcharge when being charged, or the battery can cause combustible substances in the battery to leak and easily catch fire after violent collision.

At present, most battery packs are simply installed in a battery compartment without a cooling device, and once the heat in the battery compartment is too high, battery materials are directly combusted; in case of fire, the fire may spread due to the general absence of fire protection in the battery compartment.

SUMMERY OF THE UTILITY MODEL

To the problem of mentioning in the background art, the utility model aims at providing a new energy vehicle battery compartment fire resistive construction to mention the problem that current battery compartment does not set up cooling device and fire resistive construction in solving the background art.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a new energy vehicle battery compartment fireproof structure comprises a battery compartment body, wherein a battery mounting plate is arranged above a bottom plate of the battery compartment body, and a battery pack is fixedly arranged on the upper end face of the battery mounting plate; the inner wall of the battery compartment body is fixedly provided with a fireproof layer, the fireproof layer consists of a first fireproof cloth layer, a novel nanometer heat-insulating fireproof material layer and a second fireproof cloth layer, and the novel nanometer heat-insulating fireproof material layer is positioned between the first fireproof cloth layer and the second fireproof cloth layer; the battery compartment comprises a battery compartment body, and is characterized in that water tanks are fixedly arranged on the outer side wall and the outer bottom wall of the battery compartment body, a water outlet and a water inlet are formed in the wall of the water tank, a circulating water pump and a heat exchanger are fixedly arranged on the outer top wall of the battery compartment body, a communicating pipe is fixedly arranged between the circulating water pump and the heat exchanger, the circulating water pump is communicated with the water tank through a water outlet pipe, and the heat exchanger is communicated with the water tank through a water inlet pipe; the inner wall of the water tank is fixedly provided with a temperature sensor at a position close to the water outlet, and the outer side wall of the battery compartment body is fixedly provided with a controller.

Furthermore, a first sealing device is fixedly arranged at the position where the water outlet pipe is connected with the water outlet, and a second sealing device is fixedly arranged at the position where the water inlet pipe is connected with the water inlet.

Furthermore, a plurality of groups of damping springs are fixedly arranged between the battery mounting plate and the inner wall of the bottom of the battery compartment body.

Furthermore, a plurality of buffer blocks are fixedly arranged between the battery pack and the inner side wall of the battery compartment body.

Furthermore, the water outlet is located at the bottom end of the outer side wall of the water tank, and the water inlet is located at the upper end of the outer side wall of the water tank.

To sum up, the utility model discloses mainly have following beneficial effect:

the fireproof layer is fixedly arranged on the inner wall of the battery compartment body and consists of a first fireproof cloth layer, a novel nanometer heat-insulating fireproof material layer and a second fireproof cloth layer, and the fireproof cloth has A-level incombustibility; the novel nanometer heat-insulating fireproof material layer is positioned between the first fireproof cloth layer and the second fireproof cloth layer, so that nanometer dust can be effectively prevented from leaking, and the fireproof layer can prevent the fire from spreading; the outside of battery compartment body is provided with water tank, controller, circulating water pump and heat exchanger, and the water tank inner wall is provided with temperature sensor, and after the temperature reachd certain temperature, temperature sensor gives the controller with temperature signal transmission, and controller control circulating water pump takes the hot water in the water tank out, and hot water process heat exchanger cooling, the water after the cooling gets into the water tank once more, can in time reduce the inside temperature of battery compartment body.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a schematic structural view of a fire-retardant layer in an embodiment of the present invention;

reference numerals: 1. a battery compartment body; 2. a battery mounting plate; 3. a battery pack; 4. a fire barrier layer; 401. a first fire-proof cloth layer; 402. a novel nano heat-insulating fireproof material layer; 403. a second fire-proof cloth layer; 5. a water tank; 501. a water outlet; 502. a water inlet; 6. a water circulating pump; 7. a heat exchanger; 8. a communicating pipe; 9. a water outlet pipe; 10. a water inlet pipe; 11. a temperature sensor; 12. a controller; 13. a first sealing device; 14. a damping spring; 15. a buffer block; 16. and a second sealing device.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments, and all embodiments may be used in combination with each other.

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example 1

Referring to fig. 1-2, a new energy vehicle battery compartment fireproof structure includes a battery compartment body 1, a battery mounting plate 2 is disposed above a bottom plate of the battery compartment body 1, and a battery pack 3 is fixedly disposed on an upper end surface of the battery mounting plate 2; the inner wall of the battery compartment body 1 is fixedly provided with a fireproof layer 4, the fireproof layer 4 consists of a first fireproof cloth layer 401, a novel nanometer heat-insulating fireproof material layer 402 and a second fireproof cloth layer 403, and the first fireproof cloth layer 401 and the second fireproof cloth layer 403 are A-level non-combustible; the novel nanometer heat-insulating fireproof material layer 402 is positioned between the first fireproof cloth layer 401 and the second fireproof cloth layer 403, so that nanometer dust in the novel nanometer heat-insulating fireproof material layer 402 can be effectively prevented from leaking, and the fireproof layer 4 can prevent the fire from spreading; the first fire-proof cloth layer 401, the second fire-proof cloth layer 403 and the second fire-proof cloth layer 403 are all the prior art, and are not further described herein; the outer side wall and the bottom outer wall of the battery compartment body 1 are fixedly provided with a water tank 5, the wall of the water tank 5 is provided with a water outlet 501 and a water inlet 502, the top outer wall of the battery compartment body 1 is fixedly provided with a circulating water pump 6 and a heat exchanger 7, the circulating water pump 6 can pump out water in the water tank 5, the heat exchanger 7 can cool the pumped water, and the circulating water pump 6 and the heat exchanger 7 are both in the prior art and are not explained any more herein; a communicating pipe 8 is fixedly arranged between the circulating water pump 6 and the heat exchanger 7, the circulating water pump 6 is communicated with the water tank 5 through a water outlet pipe 9, and the heat exchanger 7 is communicated with the water tank 5 through a water inlet pipe 10; the fixed temperature sensor 11 that is provided with of position department that the inner wall of water tank 5 is close to delivery port 501, the fixed controller 12 that is provided with of lateral wall of battery compartment body 1, temperature sensor 11 and controller 12 electric connection, temperature sensor 11 can turn into the temperature signal transmission of the water in the water tank 5 for controller 12 with the electric signal transmission, controller 12 control circulating water pump 6 and the work of heat exchanger 7, cool off the water in the water tank 5.

Referring to fig. 1, a first sealing device 13 is fixedly arranged at a position where the water outlet pipe 9 is connected with the water outlet 501, a second sealing device 16 is fixedly arranged at a position where the water inlet pipe 10 is connected with the water inlet 502, the first sealing device 13 and the second sealing device 16 can adopt rubber sealing rings, and the first sealing device 13 and the second sealing device 16 increase the sealing performance of the water tank 5 and can prevent cooling water from leaking.

Referring to fig. 1, a plurality of damping springs 14 are fixedly disposed between the battery mounting plate 2 and the inner wall of the bottom of the battery compartment body 1, so that the vibration of the battery pack 3 can be reduced, and the quality problem of the battery pack 3 caused by the vibration can be prevented.

Referring to fig. 1, a plurality of buffer blocks 15 are fixedly arranged between the battery pack 3 and the inner side wall of the battery compartment body 1, so that the shaking of the battery pack 3 can be slowed down, and the stability of the battery pack 3 in the battery compartment body 1 is improved.

Referring to fig. 1, the water outlet 501 is located at the bottom end of the outer side wall of the water tank 5, the water inlet 502 is located at the upper end of the outer side wall of the water tank 5, the water outlet 501 is located below the water inlet 502, so that water with high temperature in the water tank 5 can be pumped out, the cooled water enters the water tank 5 from the high-position water inlet 502, the temperature in the battery compartment body 1 can be reduced from top to bottom, and the cooling effect is improved.

In summary, the following steps: the fireproof layer 4 is fixedly arranged on the inner wall of the battery compartment body 1, the fireproof layer 4 consists of a first fireproof cloth layer 401, a novel nanometer heat-insulating fireproof material layer 402 and a second fireproof cloth layer 403, and the fireproof cloth has A-level incombustibility; the novel nanometer heat-insulating fireproof material layer 402 is positioned between the first fireproof cloth layer 401 and the second fireproof cloth layer 403, so that nanometer dust in the novel nanometer heat-insulating fireproof material layer 402 can be effectively prevented from leaking, and the fireproof layer 4 can prevent fire from spreading; the outside of battery compartment body 1 is provided with water tank 5, controller 12, circulating water pump 6 and heat exchanger 7, the 5 inner walls of water tank are provided with temperature sensor 11, after the temperature reachd certain temperature, temperature sensor 11 turns into temperature signal for signal of telecommunication and gives controller 12, controller 12 control circulating water pump 6 takes the hot water in water tank 5 out, the hot water cools off through heat exchanger 7, the water after the cooling gets into water tank 5 once more, can in time reduce the inside temperature of battery compartment body 1.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a new energy vehicle battery compartment fire resistive construction, includes battery compartment body (1), its characterized in that: a battery mounting plate (2) is arranged above a bottom plate of the battery compartment body (1), and a battery pack (3) is fixedly arranged on the upper end face of the battery mounting plate (2); the fireproof layer (4) is fixedly arranged on the inner wall of the battery compartment body (1), the fireproof layer (4) is composed of a first fireproof cloth layer (401), a novel nanometer heat-insulating fireproof material layer (402) and a second fireproof cloth layer (403), and the novel nanometer heat-insulating fireproof material layer (402) is located between the first fireproof cloth layer (401) and the second fireproof cloth layer (403); a water tank (5) is fixedly arranged on the outer side wall and the outer bottom wall of the battery compartment body (1), a water outlet (501) and a water inlet (502) are formed in the wall of the water tank (5), a circulating water pump (6) and a heat exchanger (7) are fixedly arranged on the outer top wall of the battery compartment body (1), a communicating pipe (8) is fixedly arranged between the circulating water pump (6) and the heat exchanger (7), the circulating water pump (6) is communicated with the water tank (5) through a water outlet pipe (9), and the heat exchanger (7) is communicated with the water tank (5) through a water inlet pipe (10); the inner wall of the water tank (5) is close to a position of the water outlet (501) and is fixedly provided with a temperature sensor (11), and the outer side wall of the battery compartment body (1) is fixedly provided with a controller (12).

2. The new energy vehicle battery compartment fire prevention structure of claim 1, wherein: a first sealing device (13) is fixedly arranged at the position where the water outlet pipe (9) is connected with the water outlet (501), and a second sealing device (16) is fixedly arranged at the position where the water inlet pipe (10) is connected with the water inlet (502).

3. The new energy vehicle battery compartment fire prevention structure of claim 1, wherein: a plurality of groups of damping springs (14) are fixedly arranged between the battery mounting plate (2) and the inner wall of the bottom of the battery cabin body (1).

4. The new energy vehicle battery compartment fire prevention structure of claim 1, wherein: a plurality of buffer blocks (15) are fixedly arranged between the battery pack (3) and the inner side wall of the battery compartment body (1).

5. The new energy vehicle battery compartment fire prevention structure of claim 1, wherein: the water outlet (501) is located at the bottom end of the outer side wall of the water tank (5), and the water inlet (502) is located at the upper end of the outer side wall of the water tank (5).