CN219106413U

CN219106413U - Simple unmanned aerial vehicle battery pack capable of being disassembled and assembled

Info

Publication number: CN219106413U
Application number: CN202223276278.0U
Authority: CN
Inventors: 谢瑶迪; 王伟明; 李华
Original assignee: Jiangsu Yixing Derong Technology Co ltd
Current assignee: Jiangsu Yixing Derong Technology Co ltd
Priority date: 2022-12-07
Filing date: 2022-12-07
Publication date: 2023-05-30
Anticipated expiration: 2032-12-07

Abstract

The utility model discloses a simple unmanned aerial vehicle battery pack for disassembly and assembly, which comprises a plurality of battery cell groups connected in series, wherein each battery cell group comprises a plurality of cylindrical battery cells which are stacked and are not contacted with each other, the cylindrical battery cells in each battery cell group are connected in parallel, battery cell supports are arranged at two ends of each battery cell group, battery cell grooves for accommodating the cylindrical battery cells are arranged on each battery cell support, nickel sheets electrically connected with the cylindrical battery cells are arranged on each battery cell support, each battery cell support comprises a middle battery cell support and end battery cell supports, the middle battery cell supports are arranged between the adjacent battery cell groups, the battery cell supports at two ends are respectively arranged at the outer sides of the battery cell groups at the two ends, more than two through holes are formed in each battery cell support, screws connected with the battery cell supports in series penetrate through the through holes, compression nuts are connected on the screws in a rotating mode, and through holes through which the screws penetrate are arranged on the nickel sheets. According to the utility model, a welding step is omitted, the complexity of the battery pack structure is reduced, and the assembling and disassembling processes are more convenient.

Description

Simple unmanned aerial vehicle battery pack capable of being disassembled and assembled

Technical Field

The utility model relates to the technical field of battery cell assembly, in particular to a simple unmanned aerial vehicle battery pack capable of being assembled and disassembled.

Background

The lithium ion battery adopted by the unmanned aerial vehicle mainly comprises a soft package and a cylindrical battery cell, and because the space utilization rate of the cylindrical battery cell is lower than that of the soft package battery cell, the market share is not high, but the cylindrical battery cell is mature in production process relative to the soft package battery cell, the PACK cost is lower, and the battery product yield and the consistency of a battery PACK are higher. Because the heat dissipation area of the battery pack is large, the heat dissipation performance of the battery pack is superior to that of a square battery, and therefore, when the unmanned aerial vehicle is faced with high multiplying power, the space layout of the unmanned aerial vehicle is compact, and the heat dissipation is insufficient, the cylindrical battery cell is adopted, the characteristic of large heat dissipation area of the battery pack can be effectively utilized, and the battery cell is prevented from being overhigh in temperature.

The patent unmanned aerial vehicle battery package structure and unmanned aerial vehicle patent number that report before I driver have before and have been CN 213425143U solved battery package easy dismounting's problem, but are welded connection between the nickel piece of electric core module and the electric core in this context, when electric core goes wrong, whole electric core module is unpacked under the condition that does not have professional equipment and is had the risk.

Disclosure of Invention

The utility model aims to provide a simple unmanned aerial vehicle battery pack capable of being assembled and disassembled.

The utility model has the innovation points that the battery cell group is fixed through the middle battery cell bracket and the end battery cell bracket, and then the battery cell bracket is connected through the screw rod, so that the welding step of the battery cell and the nickel sheet is omitted, the complexity of the battery pack structure is reduced, and the assembling and disassembling processes are more convenient.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a plain type dismouting unmanned aerial vehicle battery package, including a plurality of battery cell groups that establish ties, the battery cell group is including a plurality of cylinder electric cores that are to stack and arrange and mutual non-contact, connect in parallel between the cylinder electric core in the battery cell group, battery cell group both ends are equipped with the electric core support, be equipped with the electric core groove that holds the cylinder electric core on the electric core support, be equipped with on the electric core support with cylinder electric core electric connection's nickel piece, the electric core support includes middle electric core support and tip electric core support, middle electric core support arranges between adjacent battery cell group, both ends electric core support is arranged respectively in the battery cell group outside at extreme end, be equipped with more than two through-holes on the electric core support, pass the screw rod that has the serial electric core support in the through-hole, compression nut has been screwed on the screw rod, be equipped with the perforation that the screw rod passed on the nickel piece.

The cylindrical battery cells of the battery cell group are connected in parallel through the nickel plates, the battery cell group arranged between the battery cell brackets is connected in series through the nickel plates, the middle battery cell brackets and the end battery cell brackets are connected through the screw rods, the cylindrical battery cells are pressed by the battery cell brackets and limited in the battery cell grooves, when the cylindrical battery cells are needed, the screw rods are removed, the battery pack can be detached without special tools, unmanned aerial vehicle single cylindrical battery cell maintenance can be carried out under an emergency state, and the battery pack is lighter.

Preferably, the nickel sheet comprises a middle nickel sheet arranged on the middle battery cell support and end nickel sheets arranged on the end battery cell support, wherein extrusion convex points which are in contact with the cylindrical battery cells are arranged on two side surfaces of the middle nickel sheet, and extrusion convex points which are in contact with the cylindrical battery cells are arranged on one side surface of the end nickel sheet. The extrusion bump can make the cylindrical cell keep contact with the nickel sheet, can not break off due to shaking, can withstand the cylindrical cell simultaneously, and increases the connection strength of the internal structure of the battery pack.

Preferably, a plurality of sleeves are arranged on both sides of the middle cell support and on the inner side of the end cell support, the sleeves are arranged between the cylindrical cells, the sleeves of the adjacent cell supports are spliced, and the screw is arranged in the sleeve. The adjacent cell supports are connected through the sleeve, so that the adjacent cell supports cannot move, dangerous situations such as short circuit and the like caused by displacement of adjacent cell groups when the adjacent cell groups are connected in series are prevented, and assembly danger is reduced.

Preferably, the sleeve mouth is provided with a protrusion or a groove for splicing. The convex insertion groove is convenient to clamp and is simple to process.

Preferably, the middle cell support is provided with an insertion slot for inserting the nickel sheet. The nickel sheet can be assembled and disassembled, and when the nickel sheet or the middle cell support is damaged and needs to be replaced, the cost is lower.

Preferably, a heat dissipation hole is arranged in the center of the battery cell support. And the heat in the battery pack is convenient to disperse.

Preferably, the number of core groups is 2 or more.

Preferably, 14 cylindrical cells form a cell stack.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the battery cell group is fixed through the middle battery cell bracket and the end battery cell bracket, and then the battery cell bracket is connected through the screw rod, so that the welding step of the battery cell and the nickel sheet is omitted, the complexity of the battery pack structure is reduced, and the assembling and disassembling processes are more convenient.

2. According to the utility model, the adjacent cell supports are connected through the sleeve, so that the adjacent cell supports cannot move, dangerous situations such as short circuit and the like caused by displacement of adjacent cell groups when the adjacent cell groups are connected in series are prevented, and the assembly danger is reduced.

3. According to the utility model, the nickel sheet can be assembled and disassembled by the insertion slot, and when the nickel sheet or the middle battery core bracket is damaged and needs to be replaced, the cost is lower.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an exploded view of the cell stack after it is hidden.

Fig. 3 is a schematic structural view of the intermediate cell holder.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings.

Example 1: as shown in fig. 1, 2 and 3, a simple disassembly and assembly unmanned aerial vehicle battery pack comprises 2 battery cell groups 1 connected in series, wherein each battery cell group 1 comprises 14 cylindrical battery cells 1.1 which are stacked and arranged and are not contacted with each other, the cylindrical battery cells 1.1 in each battery cell group are connected in parallel, the battery cell supports 2 are arranged at two ends of each battery cell group 1, a battery cell groove 3 for accommodating the cylindrical battery cells 1.1 is arranged on each battery cell support 2, nickel sheets 5 electrically connected with the cylindrical battery cells 1.1 are arranged on each battery cell support 2, a heat dissipation hole 4 is arranged in the center of each battery cell support 2, each battery cell support 2 comprises a middle battery cell support 2.1 and end battery cell supports 2.2, insertion slits 2.11 for inserting the nickel sheets 5 are arranged on each middle battery cell support 2.1, the middle battery cell supports 2.1 are arranged between the adjacent battery cell groups 1, the battery cell supports 2.2 at two ends are respectively arranged at the outer sides of the battery cell groups 1 at the two ends, more than two through holes 6 are arranged on each battery cell support 2, nickel sheets 5 electrically connected with the threaded screws 7 penetrate through the through holes 6, and threaded nuts 7 are screwed on the threaded nuts 7 are threaded through the threaded nuts 8; the nickel sheet 5 comprises a middle nickel sheet 5.1 arranged on the middle battery cell bracket 2.1 and end nickel sheets 5.2 arranged on the end battery cell bracket 2.2, wherein extrusion convex points 9 which are contacted with the cylindrical battery cells 1.1 are arranged on two side surfaces of the middle nickel sheet 5.1, and extrusion convex points 9 which are contacted with the cylindrical battery cells are arranged on one side surface of the end nickel sheet 5.2; the two sides of the middle cell support 2.1 and the inner side of the end cell support 2.2 are respectively provided with a plurality of sleeves 10, the sleeves 10 are arranged between the cylindrical cells 1.1, the sleeves 10 of the adjacent cell supports 2 are spliced, the screw rods 7 are arranged in the sleeves 10, and the opening of each sleeve 10 is provided with a splicing protrusion 10.1 or a groove 10.2.

When the battery cell is disassembled, the battery cell bracket 2 and the cylindrical battery cell 1.1 can be taken down by loosening the compression nut 11.

The described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Claims

1. The utility model provides a plain type dismouting unmanned aerial vehicle battery package, including a plurality of battery cell groups that establish ties, the battery cell group is including a plurality of cylinder electric cores that are to stack and arrange and be non-contact each other, connect in parallel between the cylinder electric core in the battery cell group, battery cell group both ends are equipped with the electric core support, be equipped with the electric core groove that holds the cylinder electric core on the electric core support, be equipped with the nickel piece with cylinder electric core electric connection on the electric core support, a serial communication port, the electric core support includes middle electric core support and tip electric core support, middle electric core support arranges between adjacent battery cell group, both ends electric core support is arranged respectively in the electric core group outside at both ends, be equipped with more than two through-holes on the electric core support, pass the screw rod that has the series connection electric core support in the through-hole, connect compression nut soon on the screw rod, be equipped with the perforation that the screw rod passed on the nickel piece.

2. The simple-type unmanned aerial vehicle battery pack for disassembly and assembly of claim 1, wherein the nickel sheet comprises a middle nickel sheet arranged on the middle battery cell support and end nickel sheets arranged on the end battery cell support, extrusion convex points which are in contact with the cylindrical battery cells are arranged on two side surfaces of the middle nickel sheet, and extrusion convex points which are in contact with the cylindrical battery cells are arranged on one side surface of the end nickel sheet.

3. The simple-type unmanned aerial vehicle battery pack for disassembly and assembly according to claim 1, wherein a plurality of sleeves are arranged on two side surfaces of the middle battery cell support and on the inner side surfaces of the end battery cell supports, the sleeves are arranged between the cylindrical battery cells, the sleeves of the adjacently arranged battery cell supports are spliced, and the screw is arranged in the sleeve.

4. A simplified assembly and disassembly unmanned aerial vehicle battery pack according to claim 3, wherein the spigot mouth is provided with a protrusion or recess for splicing.

5. The simple-type unmanned aerial vehicle battery pack for disassembly and assembly according to claim 1, wherein the middle cell support is provided with an insertion slot for inserting the nickel plate.

6. The simple-type unmanned aerial vehicle battery pack for disassembly and assembly of claim 1, wherein a heat dissipation hole is formed in the center of the battery cell support.

7. The simple unmanned aerial vehicle battery pack according to claim 1, wherein the number of the battery cell groups is more than 2.

8. The simplified form of disassembly and assembly unmanned aerial vehicle battery pack of claim 1, wherein 14 cylindrical cells form a cell stack.