Vehicle lithium battery

Abstract

The utility model discloses a lithium battery for a vehicle, which relates to the technical field of lithium batteries and comprises a bearing mechanism, a plurality of battery cells are arranged in the bearing mechanism, and a heat dissipation mechanism is arranged at the front end of the bearing mechanism. In terms of heat dissipation performance, through the design of gaps formed by separated storage of the battery cells, heat removal fans, soft package holes and the like, the working temperature of the battery is effectively reduced, the performance is improved, the service life is prolonged, in terms of vibration resistance, elastic sheets and rubber sheets of the flexible assembly can protect the battery cells in a detachable manner, and a connecting assembly of a hard shell and reinforcing ribs enhances impact resistance and is convenient to install and maintain; all the components are detachably connected, fault components are convenient to replace, portability is achieved, a handle at the top of the soft bag is convenient to move, and on the whole, a more reliable, efficient and easy-to-maintain power source solution is provided for the new energy automobile.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of lithium battery, especially a vehicle lithium battery. BACKGROUND

[0002] At present, the existing vehicle lithium battery is faced with a series of challenges in practical application. On the one hand, the heat dissipation problem has always been a key factor restricting the performance of vehicle lithium battery. A large amount of heat will be generated in the process of battery charging and discharging. If it cannot be dissipated in time and effectively, not only the charging and discharging efficiency and energy density of the battery will be reduced, but also safety problems such as thermal runaway may be caused. The traditional heat dissipation mode of vehicle lithium battery often has limited effect, which is difficult to meet the heat dissipation demand under high-power operation and complex working conditions.

[0003] On the other hand, the vehicle will inevitably be subjected to various vibrations and impacts during driving, which puts high requirements on the anti-vibration ability of vehicle lithium battery. The existing vehicle lithium battery has deficiencies in anti-vibration design, which is easy to cause internal cell damage due to vibration, affecting the service life and safety of the battery. SUMMARY

[0004] The utility model aims at providing a vehicle lithium battery to solve at least any one of the problems raised in the above background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a vehicle lithium battery, comprising a bearing mechanism, a plurality of cells are arranged in the bearing mechanism, and a heat dissipation mechanism is arranged at the front end of the bearing mechanism.

[0006] The bearing mechanism comprises a connecting assembly and a flexible assembly, the flexible assembly is arranged in the connecting assembly, the flexible assembly comprises two mounting plates, elastic sheets, rubber sheets and mounting grooves, a plurality of mounting grooves are respectively formed on the two mounting plates, a plurality of elastic sheets are respectively arranged in a plurality of mounting grooves, one end of a plurality of elastic sheets is respectively detachably connected with the two mounting plates, and a plurality of rubber sheets are respectively detachably connected at the other end of a plurality of elastic sheets.

[0007] Preferably, the connecting assembly comprises a top shell, a bottom shell and a plurality of reinforcing ribs, the bottom shell is arranged at the bottom of the top shell, a plurality of reinforcing ribs are uniformly distributed between the top shell and the bottom shell, and a plurality of reinforcing ribs are detachably connected with the top shell and the bottom shell.

[0008] Preferably, the two mounting plates are respectively arranged in the top shell and the bottom shell, and the two mounting plates are respectively detachably connected with the top shell and the bottom shell.

[0009] A plurality of cells are arranged in a plurality of mounting grooves, and a plurality of cells are respectively in contact with a plurality of rubber sheets.

[0010] Preferably, the heat dissipation mechanism comprises a dust screen, a heat exhaust fan, connecting plates, connecting shells, a plurality of fixing bolts and threaded rings, two sides of the connecting plates are respectively arranged in the connecting shells, the threaded rings are uniformly distributed on the connecting shells, the fixing bolts are respectively screwed with the threaded rings, the fixing bolts are respectively connected with the connecting shells and screwed with the connecting plates, the heat exhaust fan is detachably connected to the other side of the connecting plates, and the dust screen is detachably connected to the heat exhaust fan.

[0011] Preferably, the connecting shells are detachably connected to the front ends of the top shell and the bottom shell.

[0012] Preferably, the top shell and the bottom shell are wrapped with a soft package, a plurality of openings are uniformly arranged on the soft package, and the soft package is detachably connected to the top shell and the bottom shell.

[0013] Preferably, a handle is detachably connected to the top of the soft package.

[0014] The utility model discloses the beneficial effect is as follows:

[0015] In the utility model, optimize the heat dissipation performance

[0016] Through the cooperation of the mounting plate, the elastic sheet and the rubber sheet, the electric core is separated and stored, gaps exist between the electric cores, heat dissipation mechanism is convenient for heat dissipation, this design can effectively reduce the temperature of the battery in the working process, improves the performance and life of the battery, the heat exhaust fan in the heat dissipation mechanism can quickly exhaust the heat generated in the battery, and the setting of the dust screen can prevent dust from entering, guarantee the heat dissipation effect, improve the reliability of the battery, and the plurality of openings arranged on the soft package also help air circulation, further enhance the heat dissipation effect.

[0017] Improve the anti-vibration capability

[0018] The elastic sheet and the rubber sheet in the flexible assembly can unload force when the battery is subjected to external force vibration, and the electric core is well protected, the rubber sheet is a flexible material, directly contacts the electric core, can protect the electric core and will not cause damage to the electric core, the design of the top shell, the bottom shell and the reinforcing rib in the connecting assembly can well protect the battery when the battery is subjected to external force impact. The top shell and the bottom shell are both hard shells, and the reinforcing rib can make the connection of the top shell and the bottom shell more stable, and at the same time, the top shell and the bottom shell are not sealed, which is convenient for users to disassemble and assemble.

[0019] Convenient installation and maintenance

[0020] The detachable connection is adopted between various components, such as detachable connection of the mounting plate with the top shell and the bottom shell, detachable connection of the connecting shell with the top shell and the bottom shell, detachable connection of the heat exhaust fan with the connecting plate, and the like, which facilitates the installation and maintenance of the battery, the battery can be quickly replaced when a component fails, and the use efficiency of the battery is improved, the soft package is detachably connected with the top shell and the bottom shell, the replacement and maintenance of the soft package are facilitated, the soft package adopts a high-strength multi-layer composite film, has good wear resistance, puncture resistance and weather resistance, and can effectively protect the internal battery structure from external physical damage.

[0021] Enhanced portability

[0022] A handle is detachably connected to the top of the soft package, the handle is held by a user to facilitate the movement of the device, and the portability of the battery is improved, so that the device is conveniently used in different occasions. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0024] Figure 2 It is a dust screen partial structure schematic diagram of the utility model;

[0025] Figure 3 It is an electric core partial structure schematic diagram of the utility model;

[0026] Figure 4 It is an elastic sheet partial structure schematic diagram of the utility model;

[0027] Figure 5 It is a mounting plate partial structure schematic diagram of the utility model

[0028] Figure 6 It is a thread ring partial structure schematic diagram of the utility model.

[0029] In the drawing: 1, soft package; 2, dust screen; 3, opening; 4, handle; 5, top shell; 6, electric core; 7, reinforcing rib; 8, bottom shell; 9, mounting plate; 10, elastic sheet; 11, rubber sheet; 12, mounting groove; 13, fixing bolt; 14, heat exhaust fan; 15, thread ring; 16, connecting plate; 17, connecting shell. DETAILED DESCRIPTION

[0030] The technical solutions 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 protection scope of the utility model.

[0031] The utility model provides aFigures 1-6 The application discloses a vehicle lithium battery, which comprises a bearing mechanism, a plurality of battery cells 6 arranged in the bearing mechanism, and a heat dissipation mechanism arranged at the front end of the bearing mechanism.

[0032] The bearing mechanism comprises a connecting assembly and a flexible assembly, the flexible assembly is arranged in the connecting assembly, the flexible assembly comprises two mounting plates 9, elastic sheets 10, rubber sheets 11 and mounting grooves 12, a plurality of mounting grooves 12 are arranged on the two mounting plates 9 respectively, a plurality of elastic sheets 10 are arranged in the plurality of mounting grooves 12 respectively, one end of the plurality of elastic sheets 10 is detachably connected with the two mounting plates 9 respectively, and the plurality of rubber sheets 11 are detachably connected at the other end of the plurality of elastic sheets 10.

[0033] The mounting plate 9, the elastic sheet 10 and the rubber sheet 11 cooperate to store the battery cell 6, one battery cell is arranged in each mounting groove 12 on the mounting plate 9, so that the battery cells are stored separately, and gaps exist between the battery cells, so that the heat dissipation mechanism can dissipate heat conveniently, the elastic sheet 10 cooperates with the rubber sheet 11 to fix the battery cell 6, when the device is vibrated by external force, the elastic sheet 10 cooperates with the rubber sheet 11 to release the force, the rubber sheet 11 is made of flexible material, and the part directly contacting the battery cell 6 can protect the battery cell 6 and will not damage the battery cell 6.

[0034] The connecting assembly comprises a top shell 5, a bottom shell 8 and a plurality of reinforcing ribs 7, the bottom shell 8 is arranged at the bottom of the top shell 5, the plurality of reinforcing ribs 7 are uniformly distributed between the top shell 5 and the bottom shell 8, and the plurality of reinforcing ribs 7 are detachably connected with the top shell 5 and the bottom shell 8.

[0035] The top shell 5 and the bottom shell 8 are both hard shells, and can play a good protection effect when subjected to external force, the reinforcing ribs 7 can assist the connection of the top shell 5 and the bottom shell 8 to be more stable, and the top shell 5 and the bottom shell 8 are separated at a distance, so that the battery cells are protected without being sealed, and the user can conveniently disassemble and assemble the device.

[0036] The two mounting plates 9 are arranged in the top shell 5 and the bottom shell 8 respectively, and the two mounting plates 9 are detachably connected with the top shell 5 and the bottom shell 8 respectively.

[0037] The plurality of battery cells 6 are arranged in the plurality of mounting grooves 12 respectively, and the plurality of battery cells 6 abut against the plurality of rubber sheets 11 respectively.

[0038] The heat dissipation mechanism comprises a dustproof net 2, a heat exhaust fan 14, connecting plates 16, connecting shells 17, a plurality of fixing bolts 13 and threaded rings 15, two connecting plates 16 are arranged in two connecting shells 17 respectively on one side, a plurality of threaded rings 15 are evenly distributed on the two connecting shells 17, a plurality of fixing bolts 13 are threadedly connected with the plurality of threaded rings 15 respectively, the plurality of fixing bolts 13 are communicated with the two connecting shells 17 and are threadedly connected with the two connecting plates 16 respectively, the heat exhaust fan 14 is detachably connected on the other side of the two connecting plates 16, and the dustproof net 2 is detachably connected on the heat exhaust fan 14.

[0039] Through the arrangement of the fixing bolts 13, the connecting plates 16 and the connecting shells 17 are conveniently connected, through the design of the threaded rings 15, the stability of the fixing bolts 13 can be improved, and meanwhile, the connecting plates 16 and the connecting shells 17 are conveniently disassembled and assembled, and then the heat exhaust fan 14 is conveniently disassembled and assembled, the heat exhaust fan 14 can play a heat dissipation effect on the device, and through the assistance of the dustproof net 2, the heat exhaust fan 14 can play a dustproof effect, thereby bringing convenience to the user.

[0040] The two connecting shells 17 are detachably connected to the front ends of the top shell 5 and the bottom shell 8 respectively.

[0041] The top shell 5 and the bottom shell 8 are wrapped with soft packages 1, a plurality of openings 3 are evenly arranged on the soft packages 1, and the soft packages 1 are detachably connected with the top shell 5 and the bottom shell 8.

[0042] The soft package 1 is a high-strength multi-layer composite film, the outer layer of which is made of high-strength polyester film, which has good wear resistance, puncture resistance and weather resistance, and can effectively protect the internal battery structure from external physical damage.

[0043] A handle 4 is detachably connected to the top of the soft package 1.

[0044] The user holds the handle 4 to conveniently move the device.

[0045] Finally, it should be noted that: the above only describes preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A lithium battery for vehicles, characterized by: Including bearing mechanism, a plurality of electric cores (6) are arranged in the bearing mechanism, and a heat dissipation mechanism is arranged at the front end of the bearing mechanism; The bearing mechanism comprises a connecting assembly and a flexible assembly, the flexible assembly is arranged in the connecting assembly, the flexible assembly comprises two mounting plates (9), elastic sheets (10), rubber sheets (11) and mounting grooves (12), a plurality of mounting grooves (12) are formed on the two mounting plates (9) respectively, a plurality of elastic sheets (10) are arranged in the mounting grooves (12) respectively, one end of the plurality of elastic sheets (10) is detachably connected with the two mounting plates (9) respectively, and a plurality of rubber sheets (11) are detachably connected at the other end of the plurality of elastic sheets (10).

2. The lithium battery for vehicle according to claim 1, characterized in that: The connecting assembly comprises a top shell (5), a bottom shell (8) and a plurality of reinforcing ribs (7), the bottom shell (8) is arranged at the bottom of the top shell (5), the plurality of reinforcing ribs (7) are uniformly distributed between the top shell (5) and the bottom shell (8), and the plurality of reinforcing ribs (7) are detachably connected with the top shell (5) and the bottom shell (8).

3. The lithium battery for vehicle according to claim 2, characterized in that: The two mounting plates (9) are arranged in the top shell (5) and the bottom shell (8) respectively, and the two mounting plates (9) are detachably connected with the top shell (5) and the bottom shell (8) respectively. A plurality of electric cores (6) are arranged in the mounting grooves (12) respectively, and the plurality of electric cores (6) abut against the plurality of rubber sheets (11) respectively.

4. The lithium battery for vehicle according to claim 3, characterized in that: The heat dissipation mechanism comprises a dust screen (2), a heat exhaust fan (14), connecting plates (16), connecting shells (17), a plurality of fixing bolts (13) and threaded rings (15), two connecting plates (16) are arranged in two connecting shells (17) on one side respectively, a plurality of threaded rings (15) are uniformly distributed on the two connecting shells (17), a plurality of fixing bolts (13) are threadedly connected with the plurality of threaded rings (15) respectively, the plurality of fixing bolts (13) are in communication with the two connecting shells (17) and are threadedly connected with the two connecting plates (16) respectively, the heat exhaust fan (14) is detachably connected on the other side of the two connecting plates (16), and the dust screen (2) is detachably connected on the heat exhaust fan (14).

5. The lithium battery for vehicle according to claim 4, characterized in that: The two connecting shells (17) are detachably connected at the front ends of the top shell (5) and the bottom shell (8) respectively.

6. The lithium battery for vehicle according to claim 2, characterized in that: The top shell (5) and the bottom shell (8) are wrapped with a soft package (1), a plurality of openings (3) are uniformly formed on the soft package (1), and the soft package (1) is detachably connected with the top shell (5) and the bottom shell (8).

7. The lithium battery for vehicle according to claim 6, characterized in that: A handle (4) is detachably connected to the top of the soft package (1).

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