A blade aluminum shell battery module
By incorporating a combination of insulating heat-conducting sheets, condensation bends, heat-conducting plates, and heat dissipation fins into the blade battery module, and by installing protective components at the electrode interfaces, the problems of uneven temperature and interface damage are solved, achieving better heat dissipation and protection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2022-11-16
- Publication Date
- 2026-03-27
AI Technical Summary
The blade battery module experiences a high temperature difference during assembly and charging/discharging, resulting in uneven temperature distribution, which affects power output. Furthermore, the electrode interface is susceptible to damage from external impacts.
An insulating heat-conducting sheet and a condensation bend are installed at the bottom of the blade battery pack for heat conduction and dissipation, while a heat-conducting plate and heat dissipation fins are used at the top for heat dissipation. At the same time, protective components are installed at the electrode interface to prevent collision damage.
It effectively evens out the battery temperature distribution, reduces heat buildup, improves heat dissipation, protects the electrode interfaces, reduces the risk of wiring damage, and enhances the practicality of the device.
Smart Images
Figure CN115911652B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application belongs to the technical field of new energy blade battery equipment, and particularly relates to a blade aluminum shell battery module. BACKGROUND
[0002] Thin and long blade batteries have been widely put into the market, and the blade battery structure has the advantages of good heat dissipation capacity, high safety performance, no open flame and smoke, and no easy thermal runaway. In addition, the blade battery can save space, skip the module when grouped, and greatly improve the volume utilization rate, and more battery cells can be loaded in the same space. Compared with the traditional battery pack, the volume utilization rate of the blade battery is increased by more than 50%, and the endurance mileage is greatly improved.
[0003] The temperature difference of the blade battery module is relatively high during assembly and charging and discharging. The single-sided heat transfer of the single battery cell in the module cannot effectively control the temperature difference of the blade battery. The uneven distribution of the battery temperature will destroy the electronic balance and reduce the power output. In addition, the blade battery has the disadvantage that the electrode interface is not convenient to protect during use. The electrode interface of the blade battery has the risk of being damaged due to external force impact. Therefore, a blade aluminum shell battery module is proposed to solve the problems in the prior art. SUMMARY
[0004] The purpose of the present application is to provide a kind of blade aluminum shell battery module, by the bottom of blade battery group is equipped with insulating heat-conducting sheet and condensing elbow pipe, by insulating heat-conducting sheet the heat generated during the charging and discharging of blade battery group is sent to condensing elbow pipe, by cooling fluid in condensing elbow pipe heat absorption exchange, the bottom of blade battery group is cooled, the top of blade battery group is cooled by the cooperation of heat-conducting plate and heat dissipation fin on shell top cover, the heat dissipated from the top of blade battery group is cooled, which can to some extent avoid the accumulation of heat during the charging and discharging of blade battery group, and the uneven distribution of battery temperature leads to the reduction of power output. By setting a protection assembly at the electrode interface of the blade battery group, the blade battery group is protected during use, and the risk of damage due to external force impact is reduced, to solve the problems raised in the above background.
[0005] To achieve the above purpose, the technical scheme adopted by the present application is as follows:
[0006] A kind of blade aluminum shell battery module, including U type shell, the inner bottom of the U type shell is fixedly installed with condensing elbow pipe, the surface of the U type shell located condensing elbow pipe is fixedly installed with insulating heat-conducting sheet, the surface of the insulating heat-conducting sheet is provided with blade battery group, the top of the U type shell is covered with shell top cover, the surface of the shell top cover is provided with embedded slot, the inside of the embedded slot is provided with heat-conducting assembly, and the both ends of the shell top cover are fixedly connected with protection assembly.
[0007] The protection assembly comprises an end baffle fixedly installed at one end of the shell top cover, one side of the end baffle is attached to one end of the U-shaped shell, and an electrode through hole for the electrode of the blade battery group to pass through is formed in the end baffle, and a protection plate is fixedly connected to the side of the end baffle away from the U-shaped shell.
[0008] Preferably, the heat conduction assembly comprises a heat conduction plate and a heat dissipation fin, the heat conduction plate is fixedly embedded in the embedded groove, and the heat dissipation fin is fixedly installed on the surface of the heat conduction plate.
[0009] Preferably, the bottom of the heat conduction plate is flush with the bottom of the shell top cover, the top of the heat conduction plate is flush with the top of the shell top cover, and the heat conduction plate and the heat dissipation fin are both made of copper or aluminum.
[0010] Preferably, a wire passing groove corresponding to the electrode through hole is formed in the protection plate, the length of the protection plate is equal to that of the end baffle, and the materials of the protection plate and the end baffle are the same.
[0011] Preferably, the two ends of the end baffle are fixedly connected with fixing plates, one side of the fixing plate is attached to the side wall of the U-shaped shell, and the fixing plate is bolted and fixed to the U-shaped shell.
[0012] Preferably, recesses are formed in the top of the U-shaped shell, two groups of clamping blocks are fixedly connected to the top of the shell top cover, and the two groups of clamping blocks are respectively clamped in the two groups of recesses.
[0013] Preferably, the two groups of clamping blocks are integrally formed with the two sides of the shell top cover, and the clamping blocks are bolted and fixed to the inner side walls of the recesses.
[0014] Preferably, the length of the clamping block is the same as that of the recess, and the side wall of the clamping block is located on the same horizontal line as the side wall of the U-shaped shell.
[0015] Preferably, the U-shaped shell and the shell top cover are made of aluminum alloy, the condensing elbow is in the shape of S, and the inside of the condensing elbow is provided with a cooling liquid.
[0016] Preferably, mounting plates are fixedly connected to the two sides of the U-shaped shell, and not less than three groups of mounting holes are equidistantly formed in the mounting plates.
[0017] The technical effects and advantages of the present application are as follows:
[0018] 1. The application sets the insulating heat-conducting sheet and the condensing elbow at the bottom of the blade battery module, the heat generated during the charging and discharging of the blade battery group is conducted to the condensing elbow through the insulating heat-conducting sheet, the heat is absorbed and exchanged by the cooling liquid in the condensing elbow, the bottom of the blade battery group is cooled, the heat emitted from the top of the blade battery group is conducted and cooled through the heat-conducting plate and the heat dissipation fin on the shell top cover, the temperature of the blade battery group is evenly distributed, the heat accumulation during the charging and discharging of the blade battery group is avoided to a certain extent, and the power output is reduced due to the uneven distribution of the battery temperature.
[0019] 2. The application sets the protection assembly at the electrode interface of the blade battery module, the protection assembly is used for protecting the wiring at the electrode interface of the blade battery group, reducing the risk of wiring damage caused by external force collision at the electrode interface of the blade battery group, and guiding and arranging the wiring at the electrode interface of the blade battery group through the wire slot on the protection plate, effectively preventing the wiring from being messy and the bending angle from being too large, and improving the practicability of the device. DRAWINGS
[0020] Figure 1 It is a perspective structural schematic diagram of the application;
[0021] Figure 2 It is a perspective structural schematic diagram of the U-shaped shell of the application;
[0022] Figure 3 It is a perspective structural schematic diagram of the application; Figure 2 It is an enlarged structural schematic diagram of A in the application;
[0023] Figure 4 It is a perspective structural schematic diagram of the shell top cover and the protection assembly of the application;
[0024] Figure 5 It is a top view structural schematic diagram of the condensing elbow of the application.
[0025] In the figure: 1, U-shaped shell; 2, condensing elbow; 3, insulating heat-conducting sheet; 4, blade battery group; 5, shell top cover; 6, embedded groove; 7, heat-conducting plate; 8, heat dissipation fin; 9, end baffle; 10, protection plate; 11, electrode through hole; 12, wire slot; 13, fixed plate; 14, groove; 15, clamping block; 16, mounting plate. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments of the present application. The specific embodiments described here are only used to explain the present application, and are not used to limit the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort belong to the scope of protection of the present application.
[0027] The present application provides a blade aluminum shell battery module as shown in Figures 1-5 The present application provides a blade aluminum shell battery module as shown in
[0028] The top of the U-shaped shell 1 is covered with a shell top cover 5, recesses 14 are formed in the top of the two sides of the U-shaped shell 1, two groups of clamping blocks 15 are fixedly connected to the top of the shell top cover 5, the two groups of clamping blocks 15 are respectively clamped in the two groups of recesses 14, the two groups of clamping blocks 15 are respectively integrally formed with the two sides of the bottom of the shell top cover 5, and the clamping blocks 15 are fixedly connected to the inner side walls of the recesses 14 through bolts, the length of the clamping blocks 15 is the same as the length of the recesses 14, the side wall of the clamping blocks 15 is located on the same horizontal line as the side wall of the U-shaped shell 1, the recesses 14 and the clamping blocks 15 are matched to improve the sealing performance of the shell top cover 5 and the U-shaped shell 1, the U-shaped shell 1 and the shell top cover 5 are made of aluminum alloy, and the shell top cover 5 can be disassembled and assembled through bolts;
[0029] The surface of the shell top cover 5 is provided with an embedded groove 6, the embedded groove 6 is provided with a heat conduction assembly, the two ends of the shell top cover 5 are fixedly connected with protection assemblies, the two sides of the U-shaped shell 1 are fixedly connected with mounting plates 16, and not less than three groups of mounting holes are equidistantly formed in the mounting plates 16, so that the device can be installed and fixed through the cooperation of the mounting plates 16 and the mounting holes;
[0030] The heat conduction assembly includes a heat conduction plate 7 and a heat dissipation fin 8. The heat conduction plate 7 is fixedly embedded in the inside of the embedding groove 6, and the heat dissipation fin 8 is fixedly installed on the surface of the heat conduction plate 7. The bottom of the heat conduction plate 7 is flush with the bottom of the shell top cover 5, and the top of the heat conduction plate 7 is flush with the top of the shell top cover 5. Both the heat conduction plate 7 and the heat dissipation fin 8 are made of copper or aluminum. The bottom of the heat conduction plate 7 is attached to the top of the blade battery pack 4, which facilitates the conduction of heat from the top of the blade battery pack 4 to the heat dissipation fin 8 through the heat conduction plate 7, and the heat is dissipated through the heat dissipation fin 8, so that the temperature of the blade battery pack 4 is evenly distributed, and the heat dissipation effect is good.
[0031] The protection assembly includes an end baffle 9 fixedly installed on one end of the shell top cover 5. One side of the end baffle 9 is attached to one end of the U-shaped shell 1. An electrode through hole 11 is formed in the end baffle 9 for the electrode of the blade battery pack 4 to pass through. A protection plate 10 is fixedly connected to the side of the end baffle 9 away from the U-shaped shell 1. A wire passing groove 12 corresponding to the electrode through hole 11 is formed in the protection plate 10. The length of the protection plate 10 is equal to that of the end baffle 9, and the material of the protection plate 10 is the same as that of the end baffle 9. The protection plate 10 and the end baffle 9 in the protection assembly can protect the wiring at the electrode interface of the blade battery pack 4 when the wiring is used, reduce the risk of damage to the wiring at the electrode interface of the blade battery pack 4 due to external force impact, and guide and arrange the wiring at the electrode interface of the blade battery pack 4 through the wire passing groove 12 in the protection plate 10, effectively preventing the wiring from being messy and having too large a bending angle. The two ends of the end baffle 9 are fixedly connected with a fixed plate 13. One side of the fixed plate 13 is attached to the side wall of the U-shaped shell 1. The fixed plate 13 is fixedly connected to the U-shaped shell 1 through bolts, which can assist in fixing the protection assembly through the fixed plate 13 and the bolts, and increase the stability of the protection assembly.
[0032] Working principle: the blade battery pack 4 is placed on the insulating heat conduction sheet 3 in the U-shaped shell 1, the shell top cover 5 is covered on the upper end of the U-shaped shell 1, the shell top cover 5 is fixedly connected to the U-shaped shell 1 through bolts, and the protection assembly is fixedly connected to the side wall of the U-shaped shell 1 through the fixed plates 13 on both sides of the end baffle 9. When the device is used, the insulating heat conduction sheet 3 and the condensing elbow pipe 2 are arranged at the bottom of the blade battery pack 4. The heat generated during charging and discharging of the blade battery pack 4 is conducted to the condensing elbow pipe 2 through the insulating heat conduction sheet 3, and the heat is absorbed and exchanged by the cooling liquid in the condensing elbow pipe 2 to dissipate heat at the bottom of the blade battery pack 4. The heat dissipated from the top of the blade battery pack 4 is conducted and dissipated through the heat conduction plate 7 and the heat dissipation fin 8 on the shell top cover 5, so that the temperature of the blade battery pack 4 is evenly distributed, and the heat dissipation effect is good. This can to some extent avoid the accumulation of heat during charging and discharging of the blade battery pack 4, and the uneven distribution of battery temperature leading to reduced power output.
[0033] The application reduces the risk of damaging the wire at the electrode interface of the blade battery pack 4 caused by external force collision by setting a protection assembly at the electrode interface of the blade battery pack 4, protecting the wire at the electrode interface of the blade battery pack 4 when used by the cooperation of the protection plate 10 and the end baffle 9 in the protection assembly, and guiding and arranging the wire at the electrode interface of the blade battery pack 4 by the wire through slot 12 on the protection plate 10, effectively preventing the wire from being messy and the bending angle from being too large, and improving the practicability of the device.
[0034] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the foregoing embodiments of the present application are described in detail, for those skilled in the art, it still can be modified, or part of the technical features of the equivalent replacement, within the spirit and principles of the present application, any modification, equivalent replacement, improvement, etc., should be included within the scope of the present application.
Claims
1. A prismatic battery module comprising a U-shaped housing (1), characterized in that: The inner bottom of the U-shaped shell (1) is fixedly installed with a condensation elbow (2), the surface of the U-shaped shell (1) is fixedly installed with an insulating heat-conducting sheet (3) on the surface of the condensation elbow (2), the surface of the insulating heat-conducting sheet (3) is provided with a blade battery pack (4), the top of the U-shaped shell (1) is covered with a shell top cover (5), the surface of the shell top cover (5) is provided with an embedded groove (6), the embedded groove (6) is provided with a heat-conducting assembly, and the both ends of the shell top cover (5) are fixedly connected with protection assemblies. The protection assembly comprises an end baffle (9) fixedly installed at one end of the shell top cover (5), one side of the end baffle (9) is attached to one end of the U-shaped shell (1), and an electrode through hole (11) is formed in the end baffle (9) for the electrode of the blade battery pack (4) to pass through, and a protection plate (10) is fixedly connected to the side of the end baffle (9) away from the U-shaped shell (1).
2. The blade aluminum cell battery module of claim 1, wherein: The heat-conducting assembly comprises a heat-conducting plate (7) and a heat-dissipating fin (8), the heat-conducting plate (7) is fixedly embedded in the embedded groove (6), and the heat-dissipating fin (8) is fixedly installed on the surface of the heat-conducting plate (7).
3. The blade aluminum cell battery module of claim 2, wherein: The bottom of the heat-conducting plate (7) is flush with the bottom of the shell top cover (5), the top of the heat-conducting plate (7) is flush with the top of the shell top cover (5), and the heat-conducting plate (7) and the heat-dissipating fin (8) are made of copper or aluminum.
4. The blade aluminum cell battery module of claim 1, wherein: A wire passing groove (12) corresponding to the electrode through hole (11) is formed in the protection plate (10), the length of the protection plate (10) is equal to that of the end baffle (9), and the material of the protection plate (10) is the same as that of the end baffle (9).
5. The blade aluminum cell battery module of claim 4, wherein: The both ends of the end baffle (9) are fixedly connected with fixing plates (13), one side of the fixing plate (13) is attached to the side wall of the U-shaped shell (1), and the fixing plate (13) is bolted and fixed to the U-shaped shell (1).
6. The blade aluminum cell battery module of claim 1, wherein: The both sides and the top of the U-shaped shell (1) are provided with grooves (14), the top of the shell top cover (5) is fixedly connected with two groups of clamping blocks (15), and the two groups of clamping blocks (15) are clamped in the two groups of grooves (14) respectively.
7. The prismatic battery module of claim 6, wherein: The two groups of clamping blocks (15) are integrally formed with the both sides of the shell top cover (5), and the clamping blocks (15) are bolted and fixed to the inner side walls of the grooves (14).
8. The blade aluminum cell battery module of claim 7, wherein: The length of the clamping block (15) is the same as that of the groove (14), and the side wall of the clamping block (15) is located on the same horizontal line as the side wall of the U-shaped shell (1).
9. The blade aluminum cell battery module of claim 1, wherein: The U-shaped shell (1) and the shell top cover (5) are made of aluminum alloy, the condensation elbow (2) is in the shape of S, and the inside of the condensation elbow (2) is provided with cooling liquid.
10. The blade aluminum cell battery module of claim 1, wherein: The both sides of the U-shaped shell (1) are fixedly connected with mounting plates (16), and not less than three groups of mounting holes are equidistantly formed in the mounting plates (16).
Citation Information
Patent Citations
Module-free battery system
CN114665177A
Battery assembly and electric vehicle
WO2022151822A1