CN108615836B - A power storage device for a new energy vehicle - Google Patents

Abstract

The invention discloses an electric storage device of a new energy automobile, which comprises a battery pack installation box, wherein a first accommodating groove is formed in the inner bottom wall of the battery pack installation box, a first damping mechanism is uniformly installed on the inner bottom wall of the first accommodating groove, a first supporting plate which is horizontally arranged is fixed at the top of the first damping mechanism, second accommodating grooves are formed in four inner walls of the interior of the battery pack installation box, a battery pack is arranged between four third supporting plates, the third supporting plates limit the battery pack, a box cover is clamped at the top of the battery pack installation box, vent holes are formed in two sides of the box cover, a heat dissipation device is installed in each vent hole, a second damping mechanism is fixed in the middle of the bottom of the box cover, a fourth supporting plate which is horizontally arranged is fixed at the lower end of the second damping mechanism, and the fourth supporting plate abuts against the top of the battery pack. The novel shock absorber is unique in structure, ingenious in design, very good in shock absorption effect, good in heat dissipation performance and suitable for popularization.

Description

A power storage device for a new energy vehicle

technical field

The invention relates to the technical field of new energy vehicles, in particular to a power storage device for new energy vehicles.

Background technique

New energy vehicles refer to the use of unconventional vehicle fuels as the power source (or the use of conventional vehicle fuels, the use of new vehicle power units), the integration of advanced technologies in vehicle power control and driving, and the formation of advanced technical principles. New technology, new structure of the car. Lithium-ion secondary batteries, as new high-voltage, high-energy-density rechargeable batteries, have a wide range of prospects for civil and defense applications due to their unique physical and electrochemical properties. Its outstanding features are: light weight, large energy storage (high energy density), no pollution, no memory effect, and long service life. In the case of the same volume and weight, the power storage capacity of lithium batteries is 1.6 times that of nickel-metal hydride batteries and 4 times that of nickel-cadmium batteries, and humans have only developed and utilized 20% to 30% of its theoretical power, so the development prospect is very bright. At the same time, it is a real green battery that will not pollute the environment, and is currently the best battery that can be applied to electric vehicles. my country began to develop and utilize lithium-ion batteries in the 1990s, and has made breakthroughs so far, developing lithium-ion batteries with completely independent intellectual property rights.

The main component of the new energy vehicle is the power storage part. The quality of the power storage directly affects the battery life and safety of the new energy vehicle. The existing power storage device is installed on the battery rack. When the car bumps or collides, the battery is easy to In the event of an accident, the heat dissipation effect of the battery pack is not good. Therefore, the present invention proposes a power storage device for a new energy vehicle.

SUMMARY OF THE INVENTION

The purpose of the present invention is to propose a power storage device for a new energy vehicle in order to solve the shortcomings existing in the prior art.

In order to achieve the above object, the present invention adopts the following technical solutions:

A power storage device for a new energy vehicle, comprising a battery pack installation box, wherein the inner bottom wall of the battery pack installation box is provided with a first storage slot, and the inner bottom wall of the first storage slot is evenly installed with a first shock absorbing mechanism, A horizontally arranged first support plate is fixed on the top of the first shock absorbing mechanism, a battery pack is placed on the top of the first support plate, and the four inner walls of the battery pack installation box are all provided with second storage slots. The upper part of the side wall of the groove is fixed with a first compression spring, and the lower part of the side wall of the second receiving groove is fixed with a second compression spring, and the length of the first compression spring is smaller than the length of the second compression spring. The upper part of the inner wall is hinged with a third support plate, and the other ends of the first compression spring and the second compression spring are respectively fixed on the side wall of the third support plate, the battery pack is located between the four third support plates, and the third The support plate plays a limiting role on the battery pack, the top of the battery pack installation box is clamped with a box cover, both sides of the box cover are provided with ventilation holes, and heat sinks are installed in the ventilation holes. A second shock absorbing mechanism is fixed at the middle position of the bottom of the cover, and a fourth support plate arranged horizontally is fixed on the lower end of the second shock absorbing mechanism, and the fourth support plate abuts on the top of the battery pack.

Preferably, a column is fixed on both sides of the bottom of the box cover, a slot corresponding to the column is arranged on the top of the battery pack installation box, a limit hole is arranged on the side of the column, and the upper parts of the two side walls of the battery pack installation box are provided. A limit rod is inserted in all of them, one end of the limit rod extends into the limit hole, and the end of the limit rod away from the column is fixed with a handle, and a third compression rod is sleeved on the limit rod between the handle and the battery pack installation box. A spring, wherein one end of the third compression spring is fixed on the side wall of the battery pack installation box, and the other end of the third compression spring is fixed on the side wall of the handle.

Preferably, a dust-proof net is installed on the inner wall of the ventilation hole to prevent dust from entering the inside of the battery pack installation box from the ventilation hole.

Preferably, the first shock absorbing mechanism and the second shock absorbing mechanism have the same structure, wherein the first shock absorbing mechanism includes a hollow column and a solid column, and a fourth compression spring is fixed on the inner bottom wall of the hollow column. The top of the spring is fixed with a solid post, so that when the battery pack is pressed against the top of the solid post, the fourth compression spring has a shock absorbing effect.

Preferably, the battery pack installation box is installed on the top of the chassis of the new energy vehicle through bolts, and the side of the battery pack installation box is provided with wire holes to facilitate the wiring of the power cables.

Preferably, the heat dissipation device adopts a heat dissipation fan, and the air outlet ends of the two heat dissipation devices face oppositely, so that one air inlet and one air outlet are realized, thereby forming an air circulation inside the battery pack installation box, and improving the air flow efficiency.

Preferably, shock-absorbing pads are bonded to the top surface of the first support plate and the bottom surface of the fourth support plate, and the shock-absorbing pads are made of rubber material.

Compared with the prior art, the beneficial effects of the present invention are:

1. A second compression spring is fixed through the lower part of the side wall of the second storage slot, and the length of the first compression spring is smaller than the length of the second compression spring. The upper parts of the four inner walls of the battery pack installation box are hinged with a third support plate, and The other ends of the first compression spring and the second compression spring are respectively fixed on the side walls of the third support plate, and the battery pack is located between the four third support plates, so that the stability around the battery pack can be increased;

2. A second shock absorbing mechanism is fixed at the middle of the bottom of the box cover, and a fourth support plate arranged horizontally is fixed at the lower end of the second shock absorbing mechanism. The fourth support plate touches the top of the battery pack, and the shock absorption effect is better , and more comprehensively shock the battery pack;

3. The top of the battery pack installation box is clamped with a box cover, both sides of the box cover are provided with ventilation holes, and cooling devices are installed in the ventilation holes. Wind, one outlet, and then make the air circulation inside the battery pack installation box, improve the air flow efficiency;

The invention has unique structure, ingenious design, very good shock absorption effect, good heat dissipation performance, and is suitable for promotion.

Description of drawings

1 is a schematic structural diagram of a power storage device for a new energy vehicle proposed by the present invention;

FIG. 2 is a schematic structural diagram when a box cover and a battery pack installation box are separated in a power storage device of a new energy vehicle proposed by the present invention;

FIG. 3 is a partial enlarged view of part A in FIG. 1 in a power storage device for a new energy vehicle proposed by the present invention.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments.

1-3 , a power storage device for a new energy vehicle includes a battery pack installation box 1. The inner bottom wall of the battery pack installation box 1 is provided with a first storage slot 6, and the inner bottom wall of the first storage slot 6 is uniform. A first shock absorbing mechanism 7 is installed, the top of the first shock absorbing mechanism 7 is fixed with a horizontally arranged first support plate 8, the top of the first support plate 8 is placed with a battery pack 2, and four battery packs inside the battery pack installation box 1 are placed. The inner wall is provided with a second receiving groove 9, the upper part of the side wall of the second receiving groove 9 is fixed with a first compression spring 3, the lower part of the side wall of the second receiving groove 9 is fixed with a second compression spring 4, and the first compression spring 3 Less than the length of the second compression spring 4, the upper parts of the four inner walls of the battery pack installation box 1 are hinged with a third support plate 10, and the other ends of the first compression spring 3 and the second compression spring 4 are respectively fixed on the third support On the side wall of the plate 10, the battery pack 2 is located between the four third support plates 10, and the third support plate 10 has a limiting effect on the battery pack 2, and the top of the battery pack installation box 1 is clamped with a box cover 5. There are ventilation holes 11 on both sides of the box cover 5, and a heat sink 14 is installed in the ventilation holes 11. The middle position of the bottom of the box cover 5 is fixed with a second shock absorption mechanism 13, and the lower end of the second shock absorption mechanism 13 There is a fourth support plate 15 arranged horizontally, and the fourth support plate 15 abuts on the top of the battery pack 2 .

In the present invention, upright posts 16 are fixed on both sides of the bottom of the box cover 5 , and the top of the battery pack installation box 1 is provided with a slot 17 corresponding to the upright post 16 , and the side of the upright post 16 is provided with a limit hole 18 , and the battery pack is installed The upper part of the two side walls of the box 1 is inserted with a limit rod 19, one end of the limit rod 19 extends into the limit hole 18, and one end of the limit rod 19 away from the column 16 is fixed with a handle 20, which is located at the handle 20 and the battery pack. A third compression spring 21 is sleeved on the limit rod 19 between the boxes 1, wherein one end of the third compression spring 21 is fixed on the side wall of the battery pack installation box 1, and the other end of the third compression spring 21 is fixed on the side wall of the battery pack installation box 1. On the side wall of the handle 20 and the inner wall of the vent hole 11, a dust filter 12 is installed to prevent dust from entering the battery pack installation box 1 from the vent hole 11. The structure of the first shock absorbing mechanism 7 and the second shock absorbing mechanism 13 The same, wherein the first shock absorption mechanism 7 includes a hollow column and a solid column, the inner bottom wall of the hollow column is fixed with a fourth compression spring, and the top of the fourth compression spring is fixed with a solid column, so that when the battery pack 2 is pressed against the solid column When the top of the battery pack is installed, the fourth compression spring has a shock absorption effect. The battery pack installation box 1 is installed on the top of the chassis of the new energy vehicle by bolts. The side of the battery pack installation box 1 is provided with a wire hole to facilitate the wiring of the power cable. The heat sink 14 By adopting a cooling fan, the air outlet ends of the two cooling devices 14 face oppositely, so that one air intake and one air outlet are realized, thereby forming an air circulation inside the battery pack installation box 1, and improving the air flow efficiency. The first support plate 8 The top surface of the first support plate 15 and the bottom surface of the fourth support plate 15 are bonded with a shock-absorbing pad, and the shock-absorbing pad is made of rubber.

When the present invention is in use, the second compression spring 4 is fixed through the lower part of the side wall of the second receiving slot 9, and the length of the first compression spring 3 is smaller than the length of the second compression spring 4, and the upper parts of the four inner walls inside the battery pack installation box 1 Both are hinged with a third support plate 10 , and the other ends of the first compression spring 3 and the second compression spring 4 are respectively fixed on the side walls of the third support plate 10 , and the battery pack 2 is located between the four third support plates 10 . , so that the stability around the battery pack 2 can be increased. A second shock absorbing mechanism 13 is fixed at the middle position of the bottom of the box cover 5 , and a fourth support plate 15 arranged horizontally is fixed on the lower end of the second shock absorbing mechanism 13 . The support plate 15 abuts on the top of the battery pack 2, and the shock absorption effect is better, and the shock absorption treatment is performed on the battery pack 2 more comprehensively. The top of the battery pack installation box 1 is clamped with a box cover 5. Both are provided with ventilation holes 11, and heat dissipation devices 14 are installed in the ventilation holes 11. The air outlet ends of the two heat dissipation devices 14 face oppositely, so that one air intake and one air outlet are realized, and the interior of the battery pack installation box 1 is formed. The air circulation improves the air flow efficiency. The invention has a unique structure, an ingenious design, a very good shock absorption effect, and a good heat dissipation performance, which is suitable for promotion.

The above description is only a preferred embodiment of the present invention, but the protection scope of the present invention is not limited to this. The equivalent replacement or change of the inventive concept thereof shall be included within the protection scope of the present invention.

Claims (3)

1. The electric power storage device of the new energy automobile comprises a battery pack installation box (1) and is characterized in that a first accommodating groove (6) is formed in the inner bottom wall of the battery pack installation box (1), a first damping mechanism (7) is uniformly installed on the inner bottom wall of the first accommodating groove (6), a first supporting plate (8) horizontally arranged is fixed at the top of the first damping mechanism (7), a battery pack (2) is placed at the top of the first supporting plate (8), four inner walls inside the battery pack installation box (1) are respectively provided with a second accommodating groove (9), a first compression spring (3) is fixed on the upper portion of the side wall of the second accommodating groove (9), a second compression spring (4) is fixed on the lower portion of the side wall of the second accommodating groove (9), the first compression spring (3) is smaller than the length of the second compression spring (4), and a third supporting plate (10) is hinged to the upper portions of four inner walls inside the battery pack installation box (1), the other ends of the first compression spring (3) and the second compression spring (4) are respectively fixed on the side walls of the third supporting plates (10), the battery pack (2) is located between the four third supporting plates (10), the third supporting plates (10) play a limiting role on the battery pack (2), the top of the battery pack mounting box (1) is clamped with a box cover (5), air vents (11) are formed in two sides of the box cover (5), a heat dissipation device (14) is mounted in each air vent (11), a second damping mechanism (13) is fixed in the middle of the bottom of the box cover (5), a horizontally arranged fourth supporting plate (15) is fixed at the lower end of each second damping mechanism (13), and the fourth supporting plate (15) abuts against the top of the battery pack (2); the battery pack mounting box comprises a box cover (5), wherein upright columns (16) are fixed on two sides of the bottom of the box cover (5), slots (17) corresponding to the upright columns (16) are formed in the top of the battery pack mounting box (1), limiting holes (18) are formed in the side faces of the upright columns (16), limiting rods (19) are inserted into the upper portions of two side walls of the battery pack mounting box (1), one ends of the limiting rods (19) extend into the limiting holes (18), a handle (20) is fixed at one end, far away from the upright columns (16), of each limiting rod (19), a third compression spring (21) is sleeved on each limiting rod (19) between the handle (20) and the battery pack mounting box (1), one end of each third compression spring (21) is fixed on the side wall of the battery pack mounting box (1), and the other end of each third compression spring (21) is fixed on the side wall of each; the inner wall of the vent hole (11) is provided with a dust screen (12) to prevent dust from entering the battery pack mounting box (1) from the vent hole (11); the first damping mechanism (7) and the second damping mechanism (13) are identical in structure, wherein the first damping mechanism (7) comprises a hollow column and a solid column, a fourth compression spring is fixed to the inner bottom wall of the hollow column, and the solid column is fixed to the top of the fourth compression spring, so that when the battery pack (2) is pressed on the top of the solid column, the fourth compression spring has a damping effect; the heat dissipation devices (14) adopt heat dissipation fans, and the air outlet ends of the two heat dissipation devices (14) face opposite directions, so that one air inlet and one air outlet are realized, further, airflow circulation is formed inside the battery pack installation box (1), and the air flow efficiency is improved.

2. The electric power storage device of the new energy automobile according to claim 1, wherein the battery pack installation box (1) is installed on the top of a chassis of the new energy automobile through bolts, and a wire hole is formed in the side face of the battery pack installation box (1) to facilitate wiring of a power line.

3. The electric storage device of the new energy automobile according to claim 1, wherein shock absorbing pads are bonded to the top surface of the first support plate (8) and the bottom surface of the fourth support plate (15), and the shock absorbing pads are made of rubber.

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