CN213483859U - Electric motor car lithium-ion battery fixed knot constructs - Google Patents

Abstract

The utility model discloses an electric motor car lithium-ion battery fixed knot constructs, the device comprises a device body, the device body includes battery case and a plurality of battery body, the inside a plurality of that is provided with of battery case battery body, a plurality of through second damper interconnect between the battery body, the joint have with the battery case in the first damper of table wall interconnect on the battery body, a plurality of it has the heat dissipation cover to peg graft between the battery body, first damper includes the first damping spring of two first shock attenuation boards and a plurality of, two the welding has a plurality of between the first shock attenuation board first damping spring. The utility model discloses in, through first damper and second damper's setting for the battery can obtain the buffering under first damper and second damper's effect when receiving the striking, has reduced the damage rate of battery after receiving the collision.

Description

Electric motor car lithium-ion battery fixed knot constructs

Technical Field

The utility model relates to a lithium cell technical field especially relates to an electric motor car lithium ion battery fixed knot constructs.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, the lithium metal battery is firstly proposed and researched by Gilbert N. Lewis in 1912, and the M.S. Whittingham is proposed and researched in the 70 th 20 th century, because the chemical properties of the lithium metal are very active, the lithium metal has very high requirements on the environment during processing, storage and use, and the lithium battery becomes a mainstream along with the development of scientific technology, and can be roughly divided into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain metallic lithium and can be charged, the fifth generation products of rechargeable batteries, namely the lithium metal batteries, are produced in 1996, the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the rechargeable batteries are all superior to those of the lithium ion batteries, and only a few national companies produce the lithium metal batteries due to the high technical requirement limit of the rechargeable batteries.

The existing lithium battery has a simple internal structure and does not have a damping function, so that in the using process, a vehicle jolts, the battery easily causes poor contact, the existing lithium battery has a crowded internal structure and a poor heat dissipation effect, and the service life of the lithium battery is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a fixing structure for a lithium electronic battery of an electric vehicle.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a lithium-ion battery fixing structure of an electric vehicle comprises a device body, wherein the device body comprises a battery box and a plurality of battery bodies, the plurality of battery bodies are arranged in the battery box and mutually connected through a second damping mechanism, a first damping mechanism mutually connected with the inner surface wall of the battery box is clamped on each battery body, and a heat dissipation sleeve is inserted between the plurality of battery bodies;

the first damping mechanism comprises two first damping plates and a plurality of first damping springs, and the plurality of first damping springs are welded between the two first damping plates;

the second damping mechanism comprises a second damping plate, a plurality of second damping springs and an auxiliary plate, and the plurality of second damping springs are welded between the second damping plate and the auxiliary plate;

the battery body includes protective housing and lithium cell, the protective housing has been cup jointed to the lithium cell outer surface wall, the joint groove that first shock attenuation board of cooperation and second shock attenuation board used is welded to the protective housing outer surface wall.

Preferably, the outer surface wall of the protective shell is provided with a plurality of heat dissipation holes, and the intervals among the plurality of heat dissipation holes are equal.

Preferably, the number of the clamping grooves is four, the four clamping grooves are distributed annularly, and an included angle between every two adjacent clamping grooves is ninety degrees.

Preferably, a liquid storage tank is formed in one end of the heat dissipation sleeve along the length direction, and an end cover matched with the liquid storage tank is connected to the heat dissipation sleeve through threads.

Preferably, the outer surface wall of the heat dissipation sleeve is bonded with four shock pads, and the four shock pads are distributed on four arc edges of the outer surface wall of the heat dissipation sleeve.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, this electric motor car lithium ion battery fixed knot constructs through first damper and second damper's setting for the battery can obtain the buffering when receiving the striking under first damper and second damper's effect, has reduced the damage rate of battery after receiving the collision.

The utility model discloses in, this electric motor car lithium ion battery fixed knot constructs, relative and traditional battery inside, the repacking is pegged graft between with a plurality of battery body and is had the heat dissipation cover for inside interval has improved, and the heat dissipation is improved, and the further battery that removes the coolant liquid and assist the cooling to generating heat of placing in through the reservoir, thereby has improved the life of battery.

Drawings

Fig. 1 is a top view of a fixing structure for a lithium ion battery of an electric vehicle according to the present invention;

fig. 2 is a schematic diagram of a battery body structure of a fixing structure of a lithium-ion battery of an electric vehicle according to the present invention;

fig. 3 is a schematic structural view of a first damping mechanism of a fixing structure of a lithium-ion battery of an electric vehicle according to the present invention;

fig. 4 is a schematic structural view of a second damping mechanism of the fixing structure for the lithium-ion battery of the electric vehicle according to the present invention;

fig. 5 is the utility model provides an electric motor car lithium ion battery fixed knot constructs's heat dissipation cover schematic structure.

Illustration of the drawings:

1. a device body; 2. a battery case; 3. a first damper mechanism; 31. a first damper plate; 32. a first damping spring; 4. a second damper mechanism; 41. a second damper plate; 42. a second damping spring; 43. an auxiliary plate; 5. a battery body; 51. a protective shell; 52. a lithium battery; 53. a clamping groove; 54. heat dissipation holes; 6. a heat dissipation sleeve; 61. a shock pad; 62. an end cap; 63. a reservoir.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships 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; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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.

Referring to fig. 1-5, the fixing structure for the lithium-ion battery of the electric vehicle comprises a device body 1, wherein the device body 1 comprises a battery box 2 and a plurality of battery bodies 5, the plurality of battery bodies 5 are arranged in the battery box 2, the plurality of battery bodies 5 are mutually connected through a second damping mechanism 4, a first damping mechanism 3 mutually connected with the inner surface wall of the battery box 2 is clamped on each battery body 5, and a heat dissipation sleeve 6 is inserted between the plurality of battery bodies 5;

the first damping mechanism 3 comprises two first damping plates 31 and a plurality of first damping springs 32, and the plurality of first damping springs 32 are welded between the two first damping plates 31;

the second damping mechanism 4 comprises a second damping plate 41, a plurality of second damping springs 42 and an auxiliary plate 43, wherein the plurality of second damping springs 42 are welded between the second damping plate 41 and the auxiliary plate 43;

the battery body 5 comprises a protective shell 51 and a lithium battery 52, the protective shell 51 is sleeved on the outer surface wall of the lithium battery 52, and a clamping groove 53 matched with the first damping plate 31 and the second damping plate 41 for use is welded on the outer surface wall of the protective shell 51

The outer surface wall of the protective shell 51 is provided with a plurality of heat dissipation holes 54, and the heat dissipation holes 54 are arranged at equal intervals.

The number of the clamping grooves 53 is four, the four clamping grooves 53 are distributed annularly, and an included angle between two adjacent clamping grooves 53 is ninety degrees.

A liquid storage tank 63 is formed in one end of the heat dissipation sleeve 6 in the length direction, and an end cover 62 matched with the liquid storage tank 63 is connected to the heat dissipation sleeve 6 through threads.

The outer surface wall of the heat dissipation sleeve 6 is bonded with four shock absorption pads 61, and the four shock absorption pads 61 are distributed on four arc edges of the outer surface wall of the heat dissipation sleeve 6.

When the battery body 5 generates heat in the using process, the shell dissipates heat through the heat dissipation holes 54, the heat dissipation effect is improved by matching the space between the battery body 5 and the battery body 5, and the liquid storage tank 63 is further filled with cooling liquid to assist in dissipating heat of the battery body 5, so that the heat dissipation effect of the battery is improved.

The working principle is as follows: this electric motor car lithium ion battery fixed knot constructs when using, put device body 1 on the car, in-process when the vehicle is traveling, meet when jolting, battery case 2 takes place to rock, make the collision take place between a plurality of battery body 5, through the setting of second damper 4 between two adjacent battery bodies 5, make under second damper 42's effect when receiving the impact force, subduct the impact force, battery body 5 that is located the outside is under first damper 3's effect, first damper 31 deformation shrink, make battery body 5 inside battery case 2 obtain the buffering, the damage rate of battery body 5 has been reduced, when battery body 5 uses the production heat, the coolant liquid in the cooperation reservoir 63 is used, cool down the heat dissipation to battery body 5.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The fixing structure for the lithium-ion battery of the electric vehicle comprises a device body (1) and is characterized in that the device body (1) comprises a battery box (2) and a plurality of battery bodies (5), the plurality of battery bodies (5) are arranged in the battery box (2), the plurality of battery bodies (5) are mutually connected through a second damping mechanism (4), a first damping mechanism (3) mutually connected with the inner wall of the battery box (2) is clamped on the battery bodies (5), and a heat dissipation sleeve (6) is inserted between the plurality of battery bodies (5);

the first damping mechanism (3) comprises two first damping plates (31) and a plurality of first damping springs (32), and the plurality of first damping springs (32) are welded between the two first damping plates (31);

the second damping mechanism (4) comprises a second damping plate (41), a plurality of second damping springs (42) and an auxiliary plate (43), and the plurality of second damping springs (42) are welded between the second damping plate (41) and the auxiliary plate (43);

the battery body (5) comprises a protective shell (51) and a lithium battery (52), the protective shell (51) is sleeved on the outer surface wall of the lithium battery (52), and a clamping groove (53) used for matching a first damping plate (31) and a second damping plate (41) is welded on the outer surface wall of the protective shell (51).

2. The fixing structure for the lithium ion battery of the electric vehicle as claimed in claim 1, wherein the outer surface of the protective shell (51) is provided with a plurality of heat dissipation holes (54), and the plurality of heat dissipation holes (54) are arranged at equal intervals.

3. The fixing structure for the lithium ion battery of the electric vehicle as claimed in claim 1, wherein the number of the clamping grooves (53) is four, the four clamping grooves (53) are distributed in a ring shape, and an included angle between two adjacent clamping grooves (53) is ninety degrees.

4. The fixing structure for the lithium ion battery of the electric vehicle as claimed in claim 1, wherein a liquid storage tank (63) is formed at one end of the heat dissipation sleeve (6) along the length direction, and an end cover (62) matched with the liquid storage tank (63) is connected to the heat dissipation sleeve (6) in a threaded manner.

5. The fixing structure for the lithium ion battery of the electric vehicle as claimed in claim 1, wherein four shock absorbing pads (61) are bonded to the outer surface wall of the heat dissipation sleeve (6), and the four shock absorbing pads (61) are distributed on four arcs of the outer surface wall of the heat dissipation sleeve (6).

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