Battery cell module fixing structure
The fixing structure of the insulating plate and pressure strip assembly solves the problem of unstable fixing of cell modules in energy storage batteries, and realizes a stable, simplified installation and high space utilization battery design.
Patent Information
- Application Number
- CN202423041260.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2034-12-10
AI Technical Summary
The current method of fixing cell modules in energy storage batteries is cumbersome, resulting in large module size, heavy weight, and unstable fixing, which affects battery performance.
The device employs a fixing structure that includes an insulating plate, a pressure strip assembly, a first fixing strap, and a second fixing strap. The battery cell module is fixed by the cooperation of the pressure strip assembly and the end plate, which restricts its degree of freedom of movement and simplifies the installation process.
This achieves stable fixing of the module, saves space, increases volumetric energy density, reduces costs, prevents the module from becoming loose, and improves battery performance.
Smart Images
Figure CN223956738U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to battery technical field especially relates to a kind of electric core module fixed structure. BACKGROUND
[0002] With the in-depth development of energy storage, photovoltaic, wind energy and other new energy industries, various new energies are integrated to form complementary energy stations. Complementary energy stations generally include wind power energy storage power stations, photovoltaic energy storage power stations and wind-solar energy storage power stations. Energy storage batteries have high energy density, long service life, high rated voltage and strong adaptability to high and low temperatures, and are one of the most widely used batteries.
[0003] In the energy storage battery structure, the electric core module is generally fixed in the case by sheet metal end plate, side plate and installation rubber shell. This fixing method is complicated to install, and also makes the module structure bulky and heavy, which is not convenient to carry. Some use packing tape and electric core bottom glue to fix the electric core module in the case. This fixing method is high in cost and unstable in installation. After long-term use, the module unit may be broken by packing tape or glued and solidified, which affects the performance of the battery. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing an electric core module fixed structure to solve the technical problems of bulky and heavy module, poor stability and affected battery performance caused by complicated installation of electric core module in existing energy storage battery structure.
[0005] To achieve the above-mentioned purpose, the utility model embodiment provides an electric core module fixed structure, which comprises an electric core module, an insulating plate, a pressing strip assembly, a first fixing belt and a second fixing belt.
[0006] The insulating plate is arranged on the top of the electric core module. The first fixing belt is arranged on the upper end of the electric core module, and the second fixing belt is arranged on the lower end of the electric core module. The pressing strip assembly is arranged on the insulating plate.
[0007] The pressing strip assembly comprises an epoxy plate, a PC plate and a pressing strip. The epoxy plate is arranged on the insulating plate, the PC plate is sleeved on the outer side of the pressing strip, and the PC plate is arranged on the epoxy plate. One end of the pressing strip is fixedly connected with one end of the electric core module, and the other end of the pressing strip is fixedly connected with the other end of the electric core module.
[0008] As a preferred implementation, the pressing strip comprises a pressing strip body, a first fixed end and a second fixed end; one end of the pressing strip body is connected perpendicularly to the first fixed end, and the other end is connected perpendicularly to the second fixed end; the PC plate is arranged outside the pressing strip body, the first fixed end is connected to one end of the battery cell module, and the second fixed end is connected to the other end of the battery cell module.
[0009] As a preferred implementation, the first fixed end, the pressing strip body and the second fixed end are integrally formed; the first fixed end and the second fixed end are symmetrically arranged.
[0010] As a preferred implementation, the pressing strip body is a hollow cylindrical structure, and a plurality of first fixing holes are arranged on the cylindrical structure; the first fixing holes are arranged at equal intervals; the first fixed end and the second fixed end are both "L" shaped structures.
[0011] As a preferred implementation, a plurality of second fixing holes are arranged on the PC plate and matched with the first fixing holes; a plurality of third fixing holes are arranged on the epoxy plate and matched with the second fixing holes; a plurality of fourth fixing holes are arranged on the insulating plate and matched with the third fixing holes.
[0012] As a preferred implementation, the battery cell module comprises a module body, a first end plate and a second end plate; the first end plate is arranged at one end of the module body, and the second end plate is arranged at the other end of the module body. As a preferred implementation, a first fixing seat is arranged on the side of the first end plate away from the module body, and the first fixed end is fixedly connected to the first fixing seat; a second fixing seat is arranged on the side of the second end plate away from the module body, and the second fixed end is fixedly connected to the second fixing seat.
[0013] As a preferred implementation, a first clamping hole matched with the first fixing belt is arranged on the first end plate, and the first clamping hole is arranged above the first fixing seat; a second clamping hole matched with the first fixing belt is arranged on the second end plate, and the second clamping hole is arranged above the second fixing seat; the first clamping hole and the second clamping hole are symmetrically arranged; one end of the first fixing belt is clamped on the first clamping hole, and the other end is clamped on the second clamping hole.
[0014] As a preferred embodiment, the first end plate is provided with a third buckle hole matched with the second fixing belt, and the third buckle hole is arranged below the first fixing seat; the second end plate is provided with a fourth buckle hole matched with the second fixing belt, and the fourth buckle hole is arranged below the second fixing seat; the third buckle hole and the fourth buckle hole are arranged symmetrically; one end of the second fixing belt is clamped on the third buckle hole, and the other end is clamped on the fourth buckle hole.
[0015] As a preferred embodiment, the module body comprises a plurality of module units connected in series, and an insulating sheet is arranged between two adjacent module units.
[0016] In the technical scheme, the following beneficial effects are achieved: the first fixing belt, the second fixing belt and the end plate interact to fix the module body, effectively limiting the front-back and left-right movement of the module body; the compression strip assembly and the end plate are cooperatively fixed, effectively limiting the freedom degree of the module body in the vertical direction. Through the structure, the module unit can be more stably fixed in the case, effectively simplifying the fixed installation of the module unit, effectively saving space, preventing the module unit from loosening due to the fracture of the packing belt, and saving the cost of structural adhesive. The utility model has the advantages of simple structure, convenient installation, effectively improving the volume energy density of the battery, good stability of fixation, and economy and practicality. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is an overall structure schematic view of the battery cell module fixing structure of an embodiment of the utility model;
[0018] Figure 2 It is an overall structure schematic view of the battery cell module fixing structure of an embodiment of the utility model; Figure 1
[0019] Figure 3 It is an overall structure schematic view of the battery cell module fixing structure of an embodiment of the utility model; Figure 2 DETAILED DESCRIPTION
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0021] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, top, bottom, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.
[0022] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.
[0023] It should be noted that when a component is described as "fixed to" or "set on" another component, it can be directly on the other component or there may be an intervening component. When a component is described as "connected to" another component, it can be directly connected to the other component or there may be an intervening component.
[0024] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of indicated technical features. Therefore, features defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.
[0025] like Figures 1 to 3 As shown, this utility model embodiment provides a battery cell module fixing structure, including a battery cell module 10, an insulating plate 20, a pressure strip assembly 30, a first fixing strip 40, and a second fixing strip 50;
[0026] The insulating plate 20 is disposed on the top of the battery cell module 10; the first fixing strip 40 is disposed around the upper end of the battery cell module 10, and the second fixing strip 50 is disposed around the lower end of the battery cell module 10; the pressure strip assembly 30 is disposed on the insulating plate 20.
[0027] The pressing strip assembly 30 comprises an epoxy plate 31, a PC plate 32 and a pressing strip 33, the epoxy plate 31 is arranged on the insulating plate 20, the PC plate 32 is sleeved on the outer side of the pressing strip 33, and the PC plate 32 is arranged on the epoxy plate 31; one end of the pressing strip 33 is fixedly connected with one end of the battery cell module 10, and the other end of the pressing strip 33 is fixedly connected with the other end of the battery cell module 10.
[0028] In the embodiment of the present application, the pressing strip assembly 30 is arranged on the center line of the insulating plate 20, so that the fixing effect of the pressing strip assembly 30 can be well guaranteed.
[0029] As a preferred embodiment, the pressing strip 33 comprises a pressing strip body 331, a first fixed end 332 and a second fixed end 333; one end of the pressing strip body 331 is connected perpendicularly with the first fixed end 332, and the other end is connected perpendicularly with the second fixed end 333; the PC plate 32 is sleeved on the outer side of the pressing strip body 331, the first fixed end 332 is connected with one end of the battery cell module 10, and the second fixed end 333 is connected with the other end of the battery cell module 10.
[0030] As a preferred embodiment, the first fixed end 332, the pressing strip body 331 and the second fixed end 333 are integrally formed; the first fixed end 332 and the second fixed end 333 are symmetrically arranged. In this way, the stability of the fixing can be effectively guaranteed.
[0031] As a preferred embodiment, the pressing strip body 331 is a hollow cylindrical structure, a plurality of first fixing holes 3311 are arranged on the cylindrical structure, and the plurality of first fixing holes 3311 are arranged at equal intervals; the first fixed end 332 and the second fixed end 333 are both "L" type structures. In this way, the stability of the fixing can be effectively guaranteed, the space can be effectively saved, the fixed volume of the battery can be effectively reduced, and the volume energy density of the battery can be effectively improved.
[0032] As a preferred embodiment, a plurality of second fixing holes 321 adapted to the first fixing holes 3311 are arranged on the PC plate 32; a plurality of third fixing holes 311 adapted to the second fixing holes 321 are arranged on the epoxy plate 31; and a plurality of fourth fixing holes 21 adapted to the third fixing holes 311 are arranged on the insulating plate 20. In this way, the module body can be effectively fixed by the pressing strip assembly through the matching cooperation of the first fixing holes, the second fixing holes, the third fixing holes and the fourth fixing holes.
[0033] As a preferred implementation, the battery cell module 10 comprises a module body 11, a first end plate 12 and a second end plate 13; the first end plate 12 is arranged at one end of the module body 11, and the second end plate 13 is arranged at the other end of the module body 11.
[0034] As a preferred implementation, the first end plate 12 is provided with a first fixing seat 60 on the side away from the module body 11, and the first fixing end 332 is fixedly connected with the first fixing seat 60; the second end plate 13 is provided with a second fixing seat 70 on the side away from the module body 11, and the second fixing end 333 is fixedly connected with the second fixing seat 70.
[0035] The module body is fixed by the interaction of the first fixing belt, the second fixing belt and the end plate, effectively limiting the front-back and left-right movement of the module body; the module body is fixed by the cooperation of the pressing strip assembly and the end plate, effectively limiting the freedom degree of the module body in the vertical direction.
[0036] As a preferred implementation, the first end plate 12 is provided with a first clamping hole 121 matched with the first fixing belt 40, and the first clamping hole 121 is arranged above the first fixing seat 60; the second end plate 13 is provided with a second clamping hole 131 matched with the first fixing belt 40, and the second clamping hole 131 is arranged above the second fixing seat 70; the first clamping hole 121 and the second clamping hole 131 are arranged symmetrically; one end of the first fixing belt 40 is clamped on the first clamping hole 121, and the other end is clamped on the second clamping hole 131. In this way, the stability of the fixation can be effectively guaranteed, the space can be effectively saved, the fixed volume of the battery can be effectively reduced, and the volume energy density of the battery can be effectively improved.
[0037] As a preferred implementation, the first end plate 12 is provided with a third clamping hole 122 matched with the second fixing belt 50, and the third clamping hole 122 is arranged below the first fixing seat 60; the second end plate 13 is provided with a fourth clamping hole 132 matched with the second fixing belt 50, and the fourth clamping hole 132 is arranged below the second fixing seat 70; the third clamping hole 122 and the fourth clamping hole 132 are arranged symmetrically; one end of the second fixing belt 50 is clamped on the third clamping hole 122, and the other end is clamped on the fourth clamping hole 132. In this way, the stability of the fixation can be effectively guaranteed, the space can be effectively saved, the fixed volume of the battery can be effectively reduced, and the volume energy density of the battery can be effectively improved.
[0038] As a preferred implementation, the module body 11 comprises a plurality of module units 111 connected in series, and an insulating sheet (not marked in the figure) is arranged between two adjacent module units 111.
[0039] Through the structure of the application, the module unit can be stably fixed in the cabinet, effectively simplifying the fixed installation of the module unit, effectively saving space, preventing the problem of loosening of the module unit due to the breakage of the packing belt, and saving the cost of structural adhesive. The utility model has the advantages of simple structure, convenient installation, high space utilization rate, effectively improving the volume energy density of the battery, good fixing stability, economy and practicality, and wide application prospect.
[0040] The above only describes the preferred embodiments of the utility model, and does not limit the patent range of the utility model, and any equivalent structural transformation, direct / indirect application in other related technical fields under the utility model concept of the utility model, or the contents of the utility model specification and drawings are included in the patent protection range of the utility model.
Claims
1. A battery cell module fixing structure, characterized in that, Includes battery cell module, insulating plate, pressure strip assembly, first fixing strip and second fixing strip; The insulating plate is disposed on the top of the battery cell module; the first fixing strip is disposed around the upper end of the battery cell module, and the second fixing strip is disposed around the lower end of the battery cell module; the pressure strip assembly is disposed on the insulating plate; The pressure strip assembly includes an epoxy board, a PC board, and a pressure strip. The epoxy board is disposed on the insulating board, and the PC board is sleeved on the outside of the pressure strip and disposed on the epoxy board. One end of the pressure strip is fixedly connected to one end of the battery cell module, and the other end of the pressure strip is fixedly connected to the other end of the battery cell module.
2. The cell module fixing structure according to claim 1, characterized in that, The pressure strip includes a pressure strip body, a first fixed end, and a second fixed end; one end of the pressure strip body is perpendicularly connected to the first fixed end, and the other end is perpendicularly connected to the second fixed end; the PC board is sleeved on the outside of the pressure strip body, the first fixed end is connected to one end of the battery cell module, and the second fixed end is connected to the other end of the battery cell module.
3. The cell module fixing structure according to claim 2, characterized in that, The first fixing end, the pressure strip body, and the second fixing end are integrally formed; the first fixing end and the second fixing end are symmetrically arranged.
4. The cell module fixing structure according to claim 2, characterized in that, The pressure strip body is a hollow cylindrical structure, and the cylindrical structure is provided with a plurality of first fixing holes, which are equally spaced; the first fixing end and the second fixing end are both L-shaped structures.
5. The cell module fixing structure according to claim 4, characterized in that, The PC board is provided with a plurality of second fixing holes that are adapted to the first fixing holes; the epoxy board is provided with a plurality of third fixing holes that are adapted to the second fixing holes; and the insulating board is provided with a plurality of fourth fixing holes that are adapted to the third fixing holes.
6. The cell module fixing structure according to claim 2, characterized in that, The battery cell module includes a module body, a first end plate, and a second end plate; the first end plate is disposed at one end of the module body, and the second end plate is disposed at the other end of the module body.
7. The cell module fixing structure according to claim 6, characterized in that, A first fixing seat is provided on the side of the first end plate away from the module body, and the first fixing end is fixedly connected to the first fixing seat; a second fixing seat is provided on the side of the second end plate away from the module body, and the second fixing end is fixedly connected to the second fixing seat.
8. The cell module fixing structure according to claim 7, characterized in that, The first end plate is provided with a first latch adapted to the first fixing strap, and the first latch is located above the first fixing seat; the second end plate is provided with a second latch adapted to the first fixing strap, and the second latch is located above the second fixing seat; the first latch and the second latch are symmetrically arranged; one end of the first fixing strap is latched on the first latch, and the other end is latched on the second latch.
9. The cell module fixing structure according to claim 7, characterized in that, The first end plate is provided with a third latch adapted to the second fixing strap, and the third latch is located below the first fixing base; the second end plate is provided with a fourth latch adapted to the second fixing strap, and the fourth latch is located below the second fixing base; the third latch and the fourth latch are symmetrically arranged; one end of the second fixing strap is latched on the third latch and the other end is latched on the fourth latch.
10. The cell module fixing structure according to claim 6, characterized in that, The module body includes multiple module units connected in series, and an insulating sheet is provided between two adjacent module units.