CN211265655U

CN211265655U - Multi-series-parallel lithium battery cell charging uniform plate

Info

Publication number: CN211265655U
Application number: CN202020443572.8U
Authority: CN
Inventors: 杨奇
Original assignee: Qianhai Zhongqi Iot Technology Shenzhen Co ltd
Current assignee: Qianhai Zhongqi Iot Technology Shenzhen Co ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-08-14
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a many clusters lithium cell supplies to fill homoeosis board, including homoeosis board and box, the inside packing of fixed surface of homoeosis board has the heat dissipation water pipe of having of coolant liquid, the side table wall of box level one side inlays and is equipped with a plurality of equidistant radiator fan of arranging to the side table wall of box opposite side inlays and is equipped with the ventilation net, the inside bracing piece that two symmetries set up is followed vertical direction fixedly connected with of box. The utility model discloses in, set up heat dissipation water pipe on the board of equalling, set up radiator fan and ventilation net on the box, the benefit of adopting this design lies in: the cooling water pipe is filled with cooling liquid, the heat generated by the operation of the uniform plate is absorbed by the cooling liquid in the cooling water pipe, and meanwhile, the cooling fan draws air from the inside of the box body to promote air flow and take away the heat on the cooling liquid and the uniform plate, so that the cooling water pipe has higher heat dissipation efficiency compared with conventional natural cooling and is not easy to overheat and damage the uniform plate.

Description

Multi-series-parallel lithium battery cell charging uniform plate

Technical Field

The utility model relates to a lithium cell is the permanent board technical field all, especially relates to many strings of lithium cell supplies to fill permanent board all.

Background

The finished lithium battery mainly comprises two parts, namely a lithium battery core and a balance plate protection plate, wherein the lithium battery core mainly comprises a positive plate, a diaphragm, a negative plate and electrolyte; winding or laminating the positive plate, the diaphragm and the negative plate, packaging, filling electrolyte, and packaging to obtain the battery core. The role of the equalizing plate is: overcharge protection, overdischarge protection, overcurrent protection, short-circuit protection and the like. The lithium battery equalizing plate protects the charge and discharge of the series lithium battery pack; when the battery pack is fully charged, the voltage difference between the single batteries can be ensured to be smaller than a set value (generally +/-20 mV), the uniform charging of the single batteries of the battery pack is realized, and the charging effect under a series charging mode is effectively improved; simultaneously, the overvoltage, undervoltage, overcurrent, short circuit and overtemperature states of each single battery in the battery pack are detected, so that the service life of the battery is protected and prolonged; the undervoltage protection prevents each single battery from being damaged by overdischarge when the single battery is used for discharging.

Along with the development of lithium cell, more and more vehicles begin to use the lithium cell as the accumulate device, need use a large amount of homoeosis boards in order to play the protection to the aluminium cell, and homoeosis board can produce more heat at the during operation, and the conventional radiating mode of homoeosis board adopts natural cooling's mode, and this kind of radiating mode radiating rate is slow, easily takes place the overheat damage problem under the state of long-time work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the multi-string parallel lithium battery cell charging uniform plate is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

many clusters of lithium cell confession is filled homoiothermy board, including homoiothermy board and box, the fixed surface of homoiothermy board is connected inside packing and is had the heat dissipation water pipe of coolant liquid, the side table wall of box level one side inlays and is equipped with a plurality of equidistant radiator fan of arranging to the side table wall of box opposite side inlays and is equipped with the ventilation net, the bracing piece that two symmetries of vertical direction fixedly connected with set up is followed to the inside of box, follow vertical direction equidistant a plurality of draw-in grooves of having seted up on the bracing piece, and all inlay in a plurality of draw-in grooves and be equipped with spacing subassembly.

As a further description of the above technical solution:

the limiting assembly comprises a shell embedded in the clamping groove, one end of the shell is horizontally and fixedly connected with a spring, and a limiting rod penetrating through the shell is arranged on the inner side of the spring.

As a further description of the above technical solution:

the telescopic end of the spring is fixedly connected with the limiting rod.

As a further description of the above technical solution:

and a limiting hole for embedding a limiting rod is formed in the side end face of the equalizing plate.

As a further description of the above technical solution:

the ventilation net is composed of two metal nets, and filter cotton is bonded between the two metal nets through glue.

As a further description of the above technical solution:

the side surface walls of the two horizontal sides of the shell are provided with through holes which are in excessive fit with the limiting rods.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, set up heat dissipation water pipe on the board of equalling, set up radiator fan and ventilation net on the box, the benefit of adopting this design lies in: the cooling water pipe is filled with cooling liquid, the heat generated by the operation of the uniform plate is absorbed by the cooling liquid in the cooling water pipe, and meanwhile, the cooling fan draws air from the inside of the box body to promote air flow and take away the heat on the cooling liquid and the uniform plate, so that the cooling water pipe has higher heat dissipation efficiency compared with conventional natural cooling and is not easy to overheat and damage the uniform plate.

2. The utility model discloses in, set up the bracing piece in the box, set up draw-in groove and spacing subassembly on the bracing piece, spacing subassembly comprises casing, spring and gag lever post, and the benefit of adopting this design lies in: with the homoiothermy integrated circuit board in the draw-in groove, make the gag lever post inlay in the spacing hole that corresponds on the homoiothermy board, make homoiothermy board fixed mounting on the bracing piece to a plurality of homoiothermy boards set up along the axial direction of bracing piece equidistant, can realize concentrating the installation and concentrate the heat dissipation.

Drawings

Fig. 1 shows a schematic diagram of an internal structure of a box provided according to an embodiment of the present invention;

fig. 2 shows a schematic structural view of a heat dissipation water pipe provided according to an embodiment of the present invention;

fig. 3 shows an internal structural schematic diagram of a limiting assembly according to an embodiment of the present invention.

Illustration of the drawings:

1. a uniform plate; 2. a box body; 3. a heat dissipation water pipe; 4. a heat radiation fan; 5. a ventilation net; 6. a support bar; 7. a card slot; 8. a limiting component; 801. a housing; 802. a spring; 803. a limiting rod.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: many clusters and lithium cell supplies to fill homoiothermy board, including homoiothermy board 1 and box 2, the inside packing of fixed surface connection of homoiothermy board 1 has the heat dissipation water pipe 3 that has of coolant liquid, the side table wall of 2 horizontal one sides of box inlays radiator fan 4 that is equipped with a plurality of equidistant ranges, and the side table wall of 2 opposite sides of box inlays and is equipped with ventilation net 5, the bracing piece 6 that two symmetries of vertical direction fixedly connected with set up is followed to the inside of box 2, a plurality of draw-in grooves 7 have been seted up along vertical direction equidistant on the bracing piece 6, and all inlay in a plurality of draw-in grooves 7 and be equipped with spacing subassembly 8, homoiothermy board 1 during operation, radiator fan 4 switch-on power starts, bleed in box 2, promote the inside and outside air exchange of box 2, rely on the coolant liquid absorbed heat simultaneously and cool down through forced air cooling.

Specifically, as shown in fig. 3, the limiting assembly 8 includes a housing 801 embedded in the slot 7, a spring 802 is fixedly connected to one horizontal end inside the housing 801, a limiting rod 803 penetrating through the housing 801 is disposed inside the spring 802, a telescopic end of the spring 802 is fixedly connected to the limiting rod 803, and the limiting rod 803 moves in the horizontal direction under the telescopic action of the spring 802;

limiting holes for embedding limiting rods 803 are formed in the side end faces of the uniform plates 1, the two ends of the uniform plates 1 are embedded into the clamping grooves 7, the uniform plates 1 are pushed towards the interior of the box body 2, the front ends of the limiting rods 803 are clamped into the limiting holes, and therefore the uniform plates 1 are fixed;

the through holes excessively matched with the limiting rods 803 are formed in the side surface walls of the two horizontal sides of the shell 801, and the limiting rods 803 are limited by the through holes and can only move in the horizontal direction.

Specifically, as shown in fig. 1, the ventilation net 5 is composed of two metal nets, filter cotton is bonded between the two metal nets through glue, the ventilation net 5 is used for air flowing inside the box body 2, meanwhile, floating objects and dust in the air are filtered through the filter cotton, pollutants on the uniform plate 1 are reduced, and therefore the normal work of the uniform plate 1 is guaranteed.

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

1. Many clusters and lithium cell supplies to charge homoeostatic board, including homoeostatic board (1) and box (2), its characterized in that, the fixed surface of homoeostatic board (1) is connected inside the packing and is had heat-dissipating water pipe (3) of coolant liquid, the side table wall of box (2) level one side inlays radiator fan (4) that are equipped with a plurality of equidistant ranges to the side table wall of box (2) opposite side inlays and is equipped with ventilation net (5), the inside of box (2) is followed vertical direction fixedly connected with and is listed as bracing piece (6) that the symmetry set up, follow vertical direction equidistant a plurality of draw-in grooves (7) have been seted up on bracing piece (6), and all inlay in a plurality of draw-in grooves (7) and be equipped with spacing subassembly (8).

2. The multi-string lithium battery cell supply and charge equalization board according to claim 1, wherein the limiting assembly (8) comprises a shell (801) embedded in a clamping groove (7), a spring (802) is fixedly connected to one horizontal end inside the shell (801), and a limiting rod (803) penetrating through the shell (801) is arranged on the inner side of the spring (802).

3. The multi-string lithium battery cell charging leveling plate according to claim 2, wherein the telescopic end of the spring (802) is fixedly connected with a limiting rod (803).

4. The multi-string lithium battery cell charging equalizing plate according to claim 2, wherein a limiting hole for embedding a limiting rod (803) is formed in a side end face of the equalizing plate (1).

5. The multi-string lithium battery cell charging equalization plate according to claim 1, wherein the ventilation mesh (5) is composed of two metal meshes, and filter cotton is bonded between the two metal meshes through glue.

6. The multi-string lithium battery cell charging equalization plate according to claim 2, wherein through holes which are in excessive fit with the limiting rods (803) are formed in the side surface walls of the two horizontal sides of the shell (801).