Lead-to-lithium assembly structure

Through modular design, using a C-type mount instead of the glue-filled fixed battery pack, the weight and cost increase caused by the existing lead-acid battery pack fixing method is solved, and the low-cost and low-weight improvement of the lead-to-lithium assembly structure is achieved.

CN222940104UActive Publication Date: 2025-06-03HUAFU (JIANGSU) LITHIUM BATTERY NEW TECH CO LTD
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Patent Information

Application Number
CN202421971750.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-15
Publication Date
2025-06-03
Estimated Expiration
2034-08-15

AI Technical Summary

Technical Problem

The fixing method of existing lead-acid battery packs mainly relies on glue filling, which leads to an increase in battery weight and cost, making it difficult to achieve performance improvement and cost reduction.

Method used

The modular design is adopted, and the battery pack is fixed by a C-type mounting frame instead of glue filling, and structural improvements such as bolt connections and heat dissipation holes are used to achieve a lead-to-lithium assembly structure.

Benefits of technology

The improvement of lead-acid batteries is achieved with low cost and low weight, reducing the total weight and cost of the battery, and improving the performance of the battery.

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Abstract

The utility model relates to the technical field of batteries, in particular to a lead-to-lithium assembly structure, which is characterized by comprising a shell, a bottom plate and vertical plates vertically enclosed on the periphery of the bottom plate, and the vertical plates and the bottom plate are combined and spliced to form a cavity for accommodating a battery cell; the cover plate is arranged on one side of the shell and is used for shielding the shell; the shell is provided with a bottom plate and a fixing piece structure for fixing a battery cell, the fixing piece structure comprises a C-shaped mounting frame, an opening of the C-shaped mounting frame is inversely buckled on the bottom plate and is used for fixing the battery cell, and the mounting frame is connected with the shell through a bolt. Due to the modular design, the low-cost and low-weight lead-acid battery can be changed into the lithium battery.
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Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and particularly relates to a lead-to-lithium assembly structure. Background Art

[0002] With the continuous growth of global energy demand and the improvement of environmental protection awareness, the research and development and application of high-energy-density batteries have become the focus of the global energy technology field. In this trend, lithium-ion batteries gradually replace traditional lead-acid batteries due to their higher energy density, longer cycle life, and better environmental friendliness. Since the commercialization of lithium-ion batteries in the 1990s, their technology has undergone several major breakthroughs. From the initial lithium cobaltate to the subsequent research and development of cathode materials such as lithium iron phosphate and ternary materials, the energy density and safety performance have been continuously improved.

[0003] There is no structure for fixing the battery pack and the protection board inside the existing lead-acid shell. In order to fix it, the method of pouring glue can be adopted. The method of pouring glue can achieve the fixation of the battery pack, but the weight and cost of the battery will increase after pouring glue. How to improve the performance and reduce the cost is the main challenge currently faced. In response to this, the inventor has proposed improvements. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a modular design, which can convert a lead-acid battery into a lead-to-lithium assembly structure of a lithium battery with low cost and low weight. To achieve the above utility model purpose, a lead-to-lithium assembly structure of the utility model includes:

[0005] A housing, which includes a bottom plate, and vertical plates are vertically enclosed around the periphery of the bottom plate. The vertical plates and the bottom plate are combined and spliced to form a chamber for accommodating the battery cells;

[0006] A cover plate, which is arranged on one side of the housing and is used to cover the housing; and

[0007] A fixing structure for fixing the battery cells. The fixing structure includes a C-shaped mounting bracket. The opening of the C-shaped mounting bracket is buckled on the bottom plate and is used to fix the battery cells. The mounting bracket is connected to the housing by bolts. The C-shaped mounting bracket is set to replace the original method of pouring glue to fix the battery pack. With modular design, a lead-acid battery can be converted into a lithium battery with low cost and low weight.

[0008] A further improvement of the lead-to-lithium assembly structure of the utility model is that a horizontal edge is provided at the opening of the C-shaped mounting bracket, and through holes for bolts to pass through are opened on the horizontal edge.

[0009] A further improvement of the lead-to-lithium assembly structure of the utility model is that a mounting groove for fixing the BMS is provided above the C-shaped mounting bracket.

[0010] A further improvement of the lithium - modified lead assembly structure of the present utility model lies in that strip - shaped heat dissipation holes are provided on the C - shaped mounting bracket.

[0011] The beneficial effects of the present utility model are as follows:

[0012] The C - shaped mounting bracket is set to replace the original glue - filling for fixing the battery pack. With modular design, lead - acid batteries can be converted into lithium batteries at low cost and low weight. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic view in one direction of the present utility model.

[0014] Among them, there are a housing 1, a cover plate 2, a C - shaped mounting bracket 3, a horizontal side 31, a fixed battery cell 4, and a mounting groove 4. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The following further clarifies the present utility model in combination with specific embodiments. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. After reading the present utility model, various equivalent modifications made by those skilled in the art to the present utility model all fall within the scope defined by the appended claims of this application.

[0016] It should be noted that similar reference numerals and letters denote similar items in the following drawings. Therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0017] As Figure 1 shown, a lithium - modified lead assembly structure includes:

[0018] A housing 1, which includes a bottom plate, and vertical plates are vertically enclosed around the four sides of the bottom plate. The vertical plates and the bottom plate are combined and spliced to form a chamber for accommodating battery cells;

[0019] A cover plate 2, which is arranged on one side of the housing and is used to cover the housing; and

[0020] A fixing structure for fixing battery cells. Among them, the fixing structure includes a C - shaped mounting bracket 3. The opening of the C - shaped mounting bracket is buckled on the bottom plate and is used to fix the battery cell 4. The mounting bracket is connected to the housing by bolts. The C - shaped mounting bracket is set to replace the original glue - filling for fixing the battery pack. With modular design, lead - acid batteries can be converted into lithium batteries at low cost and low weight.

[0021] Specifically, a horizontal side 31 is provided at the opening of the C - shaped mounting bracket, and through - holes for bolts to pass through are opened on the horizontal side.

[0022] Specifically, a mounting groove 4 for fixing the BMS is provided above the C - shaped mounting bracket.

[0023] Specifically, strip-shaped heat dissipation holes are provided on the C-shaped mounting bracket.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above-described exemplary embodiments, and without departing from the spirit or basic features of the present invention, the present invention can be implemented in other specific forms. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present invention is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present invention. Any reference signs in the claims should not be construed as limiting the claimed invention.

[0025] In addition, it should be understood that although this specification is described in terms of embodiments, not every embodiment only contains an independent technical solution. This narrative manner of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A lead-to-lithium assembly structure, characterized in that: It comprises: a shell, which comprises a bottom plate, the bottom plate is vertically surrounded by vertical plates, and the vertical plates and the bottom plate are combined and spliced ​​into a chamber for accommodating battery cells; a cover plate, which is arranged on one side of the shell and is used to shield the shell; and a structure for fixing the battery cells, wherein the fixing structure comprises a C-shaped mounting frame, the opening of which is inverted on the bottom plate and is used to fix the battery cells, and the mounting frame is connected to the shell by bolts.

2. A lead-to-lithium assembly structure according to claim 1, characterized in that: The opening of the C-shaped mounting frame is provided with a horizontal edge, and a through hole for the bolt to pass through is opened on the horizontal edge.

3. A lead-to-lithium assembly structure according to claim 2, characterized in that: A mounting groove for fixing the BMS is arranged above the C-shaped mounting frame.

4. A lead-to-lithium assembly structure according to claim 3, characterized in that: The C-shaped mounting frame is provided with strip-shaped heat dissipation holes.