CN210437310U

CN210437310U - Shockproof protection structure for lithium battery of three-wheeled electric vehicle

Info

Publication number: CN210437310U
Application number: CN201920994711.3U
Authority: CN
Inventors: 闫金亮
Original assignee: Ant New Energy Technology Tianjin Co Ltd
Current assignee: Ant New Energy Technology Tianjin Co Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-05-01
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a three-wheeled electric motor car lithium cell protection architecture that takes precautions against earthquakes, including lithium cell box and lithium cell body, the equal fixed mounting in four edges and corners of lithium cell box has the stabilizer blade, end wall fixed mounting has the foam-rubber cushion in the stabilizer blade, end wall fixed mounting has the bumper shock absorber in the foam-rubber cushion, the equal fixed mounting of cavity wall in the stabilizer blade has damping spring, damping spring inner fixed mounting has the leak protection box, leak protection box inner chamber fixed mounting opens the cooling water cavity, this three-wheeled electric motor car lithium cell protection architecture that takes precautions against earthquakes can improve the damping performance of device, through the support to four diamond corners its whole, reduces the influence to the battery body during vibrations; the battery body can be cooled by water cooling, so that the cooling effect of the lithium battery is improved; the strength of the guide pipe can be improved, the guide pipe is prevented from being damaged, cooling liquid is leaked, and the lithium battery is damaged.

Description

Shockproof protection structure for lithium battery of three-wheeled electric vehicle

Technical Field

The utility model relates to the technical field of machinery, specifically be a shockproof protection architecture of tricycle electric motor car lithium cell.

Background

The power source of the electric tricycle is a lithium battery, which has been widely used due to its advantages of light weight, small volume, large capacitance, fast charging speed, etc. The lithium ion battery is widely used for large-capacity and high-voltage vehicles such as electric tricycles and the like instead of heavy and time-consuming lead-acid batteries. Need fix lithium cell metal casing protection shield when production is used, its shock attenuation performance of current protective structure is poor, and cooling efficiency is low, leads to the life of lithium cell to reduce easily, for this reason, we propose a tricycle electric motor car lithium cell protection architecture that takes precautions against earthquakes.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shockproof protection architecture of tricycle electric motor car lithium cell to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a shockproof protection structure for a lithium battery of a three-wheeled electric vehicle comprises a lithium battery box body and a lithium battery body, wherein supporting legs are fixedly arranged on four corners of the lithium battery box body, a spongy cushion is fixedly arranged on the inner end wall of each supporting leg, a rubber damping layer is fixedly arranged on the inner end wall of each spongy cushion, a damper is fixedly arranged on the inner end wall of each supporting leg, a damping spring is fixedly arranged on the inner cavity wall of the lithium battery box body, a leakproof box body is fixedly arranged on the inner end of each damping spring, a cooling water cavity is fixedly arranged in the inner cavity of the leakproof box body, a cooling layer is fixedly arranged on the inner end wall of the leakproof box body, a conduit is fixedly communicated with the outer end of the cooling water cavity, the middle part of the conduit is fixedly communicated with a water pump through a connecting pipe, a connecting spring is fixedly, the lithium battery comprises a lithium battery body and is characterized in that a wiring pipe is fixedly mounted at the upper end of the lithium battery body, and an upper cover body is fixedly mounted at the upper end of the wiring pipe.

Preferably, the inner end wall of the cooling layer is tangent to the outer side wall of the lithium battery body.

Preferably, the conduit extends through the lumen of the foam pad.

Preferably, the inner end wall of the rubber shock absorption layer and the side wall of the lithium battery body are fixed together through epoxy glue.

Preferably, a silica gel pad is clamped between the inner end wall of the shock absorber and the side wall of the lithium battery body.

Compared with the prior art, the beneficial effects of the utility model are that: the shockproof protection structure for the lithium battery of the three-wheeled electric vehicle is provided with the lithium battery box body, the upper cover body, the support legs, the spongy cushion, the rubber shock absorption layer, the shock absorber and the wiring pipe structure, the shock absorption performance of the shockproof protection structure can be improved, and the influence on a battery body during shock is reduced by supporting the whole body of the four water caltrops; through the structure of the leakage-proof box body, the cooling water cavity, the cooling layer, the damping spring, the guide pipe and the connecting pipe, the battery body can be cooled by water cooling, and the cooling effect of the lithium battery is improved; through being equipped with connecting pipe, coupling spring, anticracking layer and insulating layer structure, can improve the intensity of pipe, prevent that the pipe from damaging, lead to the coolant liquid to reveal, cause the lithium cell to damage.

Drawings

Fig. 1 is a sectional view of the present invention;

FIG. 2 is a cross-sectional view of the connecting tube of the present invention;

FIG. 3 is a cross-sectional view of the leakage-proof box body of the present invention;

fig. 4 is a sectional view of the support leg of the present invention.

In the figure: 1 lithium battery box, 2 upper cover bodies, 3 support legs, 31 spongy cushions, 32 rubber shock-absorbing layers, 4 shock absorbers, 5 wiring pipes, 6 leakage-proof box bodies, 61 cooling water cavities, 62 cooling layers, 63 shock-absorbing springs, 7 guide pipes, 8 connecting pipes, 81 connecting springs, 82 crack-preventing layers, 83 heat-insulating layers, 9 water pumps and 10 lithium battery bodies.

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.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a tricycle electric motor car lithium cell protection architecture that takes precautions against earthquakes, includes lithium battery box 1 and lithium cell body 10, lithium battery box 1 is ABS plastics lithium battery box, then fixes lithium cell body 10 through lithium battery box 1 for lithium cell body 10 is fixed more firmly. Equal fixed mounting in lithium battery box 1 four edges and corners has stabilizer blade 3, stabilizer blade 3 is the log stabilizer blade, and stabilizer blade 3 is to being "7" word form, then stabilizer blade 3 supports the turning of lithium battery body 10. The end wall fixed mounting has the foam-rubber cushion 31 in 3 stabilizer blades, the foam-rubber cushion 31 is the foam-rubber cushion, and the inner of stabilizer blade 3 is fixed to the foam-rubber cushion 31, then the foam-rubber cushion 31 carries out the shock attenuation to the turning of lithium cell body 10 and makes lithium cell body 10's shockproof performance higher. Wall fixed mounting has rubber shock absorber layer 32 in foam-rubber cushion 31, rubber shock absorber layer 32 is rubber shock absorber layer, and rubber shock absorber layer 32 supports in lithium cell body 10's corner, directly contacts with lithium cell body 10, improves its abrasionproof and shock-absorbing performance. The inner end wall of the rubber shock absorption layer 32 is fixed with the side wall of the lithium battery body 10 through epoxy glue. End wall fixed mounting has bumper shock absorber 4 in the stabilizer blade 3, bumper shock absorber 4 is the miniature bumper shock absorber MC225M bumper shock absorber of ACE, carries out the shock attenuation through bumper shock absorber 4 to lithium cell 10's lateral wall for bumper shock absorber 4's lateral wall shock attenuation effect is better. And a silica gel pad is clamped between the inner end wall of the shock absorber 4 and the side wall of the lithium battery body 10. The lithium battery body 10 is fixed by adhesion. Equal fixed mounting in lithium battery box 1 inner chamber wall has damping spring 63, damping spring 63 is stainless steel spring, supports leak protection box 6 through damping spring 63. The inner fixed mounting of damping spring 63 has leak protection box 6, leak protection box 6 is the stainless steel leak protection box, and leak protection box 6 is whole to be supported through moulding, and leak protection performance of leak protection box 6 is high. The inner cavity of the leakage-proof box body 6 is fixedly provided with a cooling water cavity 61, the inner cavity of the cooling water cavity 61 is used for storing cooling liquid, and then the left end and the right end of the cooling water cavity 61 are both provided with an inlet and an outlet. The inner end wall of the leakage-proof box body 6 is fixedly provided with a cooling layer 62, and the cooling layer 62 is a graphite cooling layer. The inner end wall of the cooling layer 62 is tangent to the outer side wall of the lithium battery body 10. The cooling layer 62 may increase its cooling effect. The number of the leakage-proof box bodies 6 is four, and the side walls of the leakage-proof box bodies are communicated with each other to form a cycle. The water pump 9 then makes it flow in its entirety, increasing the uniformity of its cooling. The outer end of the cooling water cavity 61 is fixedly communicated with a conduit 7, the conduit 7 is a rubber hose, and the conduit 7 circulates cooling liquid in the inner cavity of the leakage-proof box body 6. The catheter 7 penetrates through the inner cavity of the spongy cushion 31. The middle part of the guide pipe 7 is fixedly communicated with a water pump 9 through a connecting pipe 8, and the water pump 9 is a DL-100EEAC liquid pump. The liquid in the inner cavity of the leakage-proof box body 6 is pressurized and decompressed by a water pump 9. And the outer side walls of the connecting pipe 8 and the guide pipe 7 are fixedly provided with connecting springs 81, the connecting springs 81 are hoses, and the connecting springs 81 are communicated with the guide pipe 7. The outer side wall of the connecting spring 81 is fixedly provided with an anti-cracking layer 82, the anti-cracking layer 82 is a silica gel anti-cracking layer, and an inner cavity of the anti-cracking layer 82 is filled with a metal anti-cracking net, so that the overall anti-cracking performance of the connecting pipe 8 is improved, and the leak resistance is improved. The outer side wall of the anti-cracking layer 82 is fixedly provided with a heat insulation layer 83, and the heat insulation layer 83 is a 270PSI EPDM rubber woven steam pipe. Can well insulate heat and resist high temperature. Lithium cell body 10 upper end fixed mounting has wire pipe 5, wire pipe 5 is walked for ABS plastics, walks wire pipe 5 and can communicate with upper cover body 2, walks wire pipe 5 and walks the line to the connecting wire. An upper cover body 2 is fixedly arranged at the upper end of the wiring pipe 5. Go up lid 2 and be the lid on the abs plastics, go up the front side of lid 2 and install the golden finger and can make lithium cell 10 supply power and charge usefulness to the external world, the golden finger passes through the wire and connects lithium cell 10, walks spool 5 and is located the front side of lithium cell box 1, walks spool 5 and 6 non-intersections of leak protection box.

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 three-wheeled electric motor car lithium cell protection architecture that takes precautions against earthquakes, includes lithium cell box (1) and lithium cell body (10), its characterized in that: the all-square-angle fixed mounting of the lithium battery box body (1) is provided with support legs (3), the inner end wall fixed mounting of the support legs (3) is provided with a spongy cushion (31), the inner end wall fixed mounting of the spongy cushion (31) is provided with a rubber shock absorption layer (32), the inner end wall fixed mounting of the support legs (3) is provided with a shock absorber (4), the inner end wall fixed mounting of the lithium battery box body (1) is provided with a shock absorption spring (63), the inner end fixed mounting of the shock absorption spring (63) is provided with a leakage-proof box body (6), the inner end wall fixed mounting of the leakage-proof box body (6) is provided with a cooling layer (62), the outer end of the cooling water cavity (61) is fixedly communicated with a guide pipe (7), the middle part of the guide pipe (7) is fixedly communicated with a water pump (9) through a connecting pipe (8), the outer side wall fixed mounting of the, connecting spring (81) lateral wall fixed mounting has anti-crack layer (82), anti-crack layer (82) lateral wall fixed mounting has insulating layer (83), lithium cell body (10) upper end fixed mounting has wire pipe (5), wire pipe (5) upper end fixed mounting has last lid (2).

2. The shockproof protection structure for the lithium battery of the three-wheeled electric vehicle as claimed in claim 1, wherein: the inner end wall of the cooling layer (62) is tangent with the outer side wall of the lithium battery body (10).

3. The shockproof protection structure for the lithium battery of the three-wheeled electric vehicle as claimed in claim 1, wherein: the catheter (7) penetrates through the inner cavity of the spongy cushion (31).

4. The shockproof protection structure for the lithium battery of the three-wheeled electric vehicle as claimed in claim 1, wherein: the inner end wall of the rubber shock absorption layer (32) is fixed with the side wall of the lithium battery body (10) through epoxy glue.

5. The shockproof protection structure for the lithium battery of the three-wheeled electric vehicle as claimed in claim 1, wherein: and a silica gel pad is clamped between the inner end wall of the shock absorber (4) and the side wall of the lithium battery body (10).