CN211265589U - A Novel Standardized Assembly Structure of Cylindrical Batteries - Google Patents

Abstract

The utility model discloses a novel standardized assembly structure of cylindrical battery, which comprises an electric core, wherein the top end of the electric core is sleeved with an upper support of the electric core, the bottom end of the electric core is sleeved with a lower support of the electric core, the electric core is fixed by the upper support of the electric core and the lower support of the electric core, a series connection adapter plate is connected on the top end of the upper support of the electric core by laser welding, a series connection adapter plate is connected on the bottom end of the lower support of the electric core by laser welding, highland barley paper is placed on the top end of the series connection adapter plate and the bottom end of the series connection adapter plate, an aluminum profile middle frame is sleeved outside the electric core, a handle base is sleeved on the top end of the upper support of the electric core, a handle is connected on the top end of the handle base, and the top end of the handle is mutually clamped with the handle base by a handle cover, the novel structure, the battery module assembling process is simplified, the installation is simple and convenient, and the production efficiency is greatly improved by adopting a laser welding mode.

Description

A Novel Standardized Assembly Structure of Cylindrical Batteries

technical field

The utility model relates to the technical field of power batteries, in particular to a standardized assembly structure of a novel cylindrical battery.

Background technique

"Lithium battery" is a type of battery that uses lithium metal or lithium alloy as the negative electrode material and uses a non-aqueous electrolyte solution. In 1912, the lithium metal battery was first proposed and studied by Gilbert N. Lewis. In the 1970s, M.S. Whittingham proposed And began to study lithium-ion batteries. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have become mainstream;

Traditional two-wheeled vehicle lithium battery packs generally use multi-series and multi-parallel cells to form battery modules. Spot welding is used, resulting in low production efficiency, which is in great contrast to the growing demand for two-wheeled vehicle lithium battery packs.

Utility model content

The utility model provides a standardized assembly structure of a novel cylindrical battery, which can effectively solve the problem that the traditional lithium battery pack for two-wheeled vehicles generally uses multi-series and multi-parallel cells to form a battery module in the above-mentioned background art. Low efficiency is a problem that is in great contrast with the growing demand for lithium battery packs for two-wheelers.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a novel cylindrical battery standardized assembly structure, including a cell, the top of the cell is sleeved with an upper support for the cell, and the bottom end of the cell is sleeved with a lower cell. The bracket, the upper bracket of the cell and the lower bracket of the cell fix the cell;

The top end of the upper bracket of the cell is connected to the upper series adapter plate by laser welding, and the bottom end of the lower bracket of the battery cell is connected to the lower series adapter plate by laser welding;

Highland barley paper is placed on the top end of the upper series adapter plate and the bottom end of the lower series adapter plate;

The outer side of the battery core is sleeved with an aluminum profile middle frame;

A handle base is sleeved on the top of the upper bracket of the battery core, a handle is connected to the top of the handle base, and the top of the handle is engaged with the handle base through a handle cover;

The bottom end of the lower support of the battery cell is connected with the EMS main control board under the highland barley paper, the bottom end of the lower support of the battery cell is sleeved with a bottom cover of the battery pack, and the bottom end of the bottom end of the battery pack is embedded with a connector seat.

According to the above technical solution, the battery cell is composed of a plurality of cylindrical single battery cells, which are combined into a square shape.

According to the above technical solution, a light plate is arranged at the center of the handle base, and light guide columns are embedded and installed on both sides of the handle base.

According to the above technical solution, sealing rings are embedded in the joints between the upper support of the cell and the base of the handle and the lower support of the cell and the bottom cover of the battery pack.

According to the above technical solution, the cell is electrically connected to the EMS main control board through the upper series adapter board and the lower series adapter board, and the EMS main control board is electrically connected to the connector seat and the lamp board.

According to the above technical solution, grooves are formed on the inner side of the middle frame of the aluminum profile, and protruding posts are provided at the corresponding positions of the upper series adapter plate and the lower series adapter plate and the grooves to form mutual insertion limit.

Compared with the prior art, the beneficial effects of the present utility model: the utility model has a scientific and reasonable structure, and is safe and convenient to use:

1. Compared with the traditional two-wheeled vehicle battery pack, a new type of cylindrical battery is used, and the number of parallel cells is reduced, and the assembly is efficient;

2. The structure of the bracket matches the battery cell, and is interlocked with the inner convex part of the aluminum profile middle frame of the battery pack, and interlocks with the upper cover and bottom cover of the battery, so that the battery cell is completely and effectively fixed in the aluminum profile. box, simplify the assembly process;

3. The upper and lower transfer boards of the cell are attached to the acquisition PCB by surface mount, and then use laser welding to reliably weld it with the cell;

4. There is a certain assembly relationship between each component, the assembly is simple and efficient, and it is suitable for large-scale production.

Description of drawings

The accompanying drawings are used to provide a further understanding of the present invention, and constitute a part of the specification, and are used to explain the present invention together with the embodiments of the present invention, and do not constitute a limitation to the present invention.

In the attached image:

Fig. 1 is the exploded structure schematic diagram of the present utility model;

Fig. 2 is the schematic diagram of the isometric explosion structure of the present utility model;

Fig. 3 is the front view structure schematic diagram of the present utility model;

Fig. 4 is the bottom view structure schematic diagram of the present utility model;

Fig. 5 is the sectional structure schematic diagram of the present utility model;

Labels in the figure: 1. Cells; 2. Upper brackets for cells; 3. Lower brackets for cells; 4. Upper series connection board; 5. Highland barley paper; 6. Lower series connection board; 7. EMS main control board ;8, battery pack bottom cover; 9, connector seat; 10, sealing ring; 11, handle base; 12, lamp board; 13, light guide column; 14, handle; 15, handle cover; 16, aluminum profile Middle frame.

Detailed ways

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present utility model, but not to limit the present utility model.

Example: As shown in Figures 1-5, the present utility model provides a technical solution, a novel cylindrical battery standardized assembly structure, including a cell 1, the top of the cell 1 is sleeved with a cell upper bracket 2, and the bottom of the cell 1. The end is sleeved with a cell lower bracket 3, and the cell upper bracket 2 and the cell lower bracket 3 fix the cell 1;

The top end of the upper bracket 2 of the battery cell is connected to the upper series adapter plate 4 by laser welding, and the bottom end of the lower bracket 3 of the battery cell is connected to the lower series adapter plate 6 by laser welding;

The battery cell 1 is composed of several cylindrical single battery cells, which are combined into a square shape, so as to facilitate the connection between the top of the upper series adapter plate 4 and the lower series adapter plate 6, and the top of the upper series adapter plate 4 and the lower series adapter plate. 6 Highland barley paper 5 is placed at the bottom end;

The outer side of the battery core 1 is sleeved with an aluminum profile middle frame 16, and the inner side of the aluminum profile middle frame 16 is provided with a groove, and the upper series adapter plate 4 and the lower series adapter plate 6 are provided with convex columns corresponding to the grooves to form mutual. Embedded limit;

A handle base 11 is sleeved on the top of the upper bracket 2 of the battery cell, a light board 12 is arranged at the center of the handle base 11, and light guide columns 13 are embedded and installed on both sides of the handle base 11, so as to facilitate the illumination of light, and the The top of the base 11 is connected with a handle 14, and the top of the handle 14 is engaged with the handle base 11 through the handle cover 15;

A sealing ring 10 is embedded in the connection between the upper battery bracket 2 and the handle base 11 and the lower battery bracket 3 and the bottom cover 8 of the battery pack, so as to improve the sealing effect, and the bottom end of the lower battery bracket 3 is connected below the highland barley paper 5 There is an EMS main control board 7 , a battery pack bottom cover 8 is sleeved on the bottom end of the battery cell lower bracket 3 , and a connector seat 9 is embedded in the bottom end of the battery pack bottom cover 8 .

For the normal use of each part of the components, the battery cell 1 is electrically connected to the EMS main control board 7 through the upper series adapter board 4 and the lower series adapter board 6 , and the EMS main control board 7 is connected to the connector base 9 and the lamp board 12 . Electrically connected.

The working principle and use process of the utility model: in the installation and production, a plurality of new cylindrical single battery cells 1 are loaded into the top of the lower battery support 3, then the upper support 2 of the battery core is clamped, and the upper and lower supports are pressed together. The two poles of the core 1 are respectively connected to the upper series adapter plate 4 and the lower series adapter plate 6, the inner side of the middle frame 16 of the aluminum profile is provided with grooves, and the upper series adapter plate 4 and the lower series adapter plate 6 are corresponding to the grooves. A convex column is provided to form a mutual embedding limit, and at the same time, a certain safety distance is formed between the battery core 1 and the middle frame 16 of the aluminum profile. A high-power laser welding machine is used to connect the pole column of the new cylindrical battery core to the upper series adapter plate 4 After being reliably welded with the lower series adapter plate 6, put into the highland barley paper 5 for insulation;

A sealing ring 10 is placed on the middle frame 16 of the aluminum profile, and after inversion, the installed battery cell 1 is positioned above the limit, the EMS main control board 7 is fixed on the bottom cover 8 of the battery pack, and the corresponding electrical connection is connected;

The handle base 11 is placed on the middle frame 16 of the aluminum profile to complete the installation, and the battery capacity is changed later, the height of the new battery cell 1 and the height of the middle frame 16 of the aluminum profile are correspondingly changed, and the other components remain adapted, so more Suitable for promotion.

Finally, it should be noted that the above is only a preferred example of the present utility model, and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, It is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements to some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a novel standardized package assembly of cylinder battery, includes electric core (1), its characterized in that: the top end of the battery cell (1) is sleeved with a battery cell upper support (2), the bottom end of the battery cell (1) is sleeved with a battery cell lower support (3), and the battery cell upper support (2) and the battery cell lower support (3) fix the battery cell (1);

the top end of the upper battery cell support (2) is connected with an upper series adapter plate (4) through laser welding, and the bottom end of the lower battery cell support (3) is connected with a lower series adapter plate (6) through laser welding;

highland barley paper (5) is placed at the top end of the upper serial adapter plate (4) and the bottom end of the lower serial adapter plate (6);

an aluminum profile middle frame (16) is sleeved on the outer side of the battery cell (1);

the battery cell is characterized in that a handle base (11) is sleeved at the top end of the battery cell upper support (2), a handle (14) is connected to the top end of the handle base (11), and the top end of the handle (14) is clamped with the handle base (11) through a handle cover (15);

the electric core lower bracket is characterized in that the bottom end of the electric core lower bracket (3) is connected with an EMS main control board (7) below the highland barley paper (5), a battery pack bottom cover (8) is sleeved at the bottom end of the electric core lower bracket (3), and a connector base (9) is embedded into the bottom end of the battery pack bottom cover (8).

2. The novel standardized cylindrical battery assembling structure of claim 1 is characterized in that the battery core (1) is composed of a plurality of cylindrical single battery cores and is combined into a square shape.

3. The novel standardized cylindrical battery assembling structure of claim 1 is characterized in that a lamp panel (12) is arranged at the center of the handle base (11), and light guide columns (13) are embedded and installed at two sides of the handle base (11).

4. The novel standardized cylindrical battery assembling structure of claim 1, wherein sealing rings (10) are embedded at the joints of the upper battery cell support (2) and the handle base (11) and the lower battery cell support (3) and the bottom cover (8) of the battery pack.

5. The novel standardized cylindrical battery assembly structure of claim 1, wherein the battery core (1) is electrically connected with an EMS main control board (7) through an upper series adapter plate (4) and a lower series adapter plate (6), and the EMS main control board (7) is electrically connected with the connector base (9) and the lamp panel (12).

6. The novel standardized cylindrical battery assembly structure as claimed in claim 1, wherein the aluminum profile middle frame (16) is provided with a groove at the inner side, and the upper series adapter plate (4) and the lower series adapter plate (6) are provided with a convex column at the corresponding position of the groove to form a mutual embedding limit.

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