CN212571198U - Temperature-adjustable lithium ion battery pack - Google Patents

Temperature-adjustable lithium ion battery pack Download PDF

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Publication number
CN212571198U
CN212571198U CN202021807370.3U CN202021807370U CN212571198U CN 212571198 U CN212571198 U CN 212571198U CN 202021807370 U CN202021807370 U CN 202021807370U CN 212571198 U CN212571198 U CN 212571198U
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battery
plate
protection module
cover plate
lithium ion
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CN202021807370.3U
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刘武能
李斌
李朋
赵兴林
李晓龙
罗长兵
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Diqing Power Supply Bureau of Yunnan Power Grid Co Ltd
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Diqing Power Supply Bureau of Yunnan Power Grid Co Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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Abstract

The application provides a lithium ion battery group can adjust temperature, keep apart hot plate, battery protection shield and battery case including a plurality of electric cores, polylith, be equipped with controller, temperature sensor, overcurrent protection module, overvoltage protection module, under-voltage protection module and short-circuit protection module on the battery protection shield, the controller electricity is connected the electricity core, temperature sensor, overcurrent protection module, overvoltage protection module, under-voltage protection module and the equal electricity of short-circuit protection module are connected the controller with electric core, battery case includes upper cover plate, lower cover plate and bounding wall, battery case is the metal material, is used for the encapsulation electric core, keep apart hot plate and battery protection shield, be equipped with charging plug on the upper cover plate, charging plug is used for grafting external power source and does electric core charges. By adopting the device, the temperature-adjustable lithium ion battery pack is small in size, the isolation heating plate heats the battery core, and the battery shell made of metal is favorable for heat dissipation.

Description

Temperature-adjustable lithium ion battery pack
Technical Field
The application belongs to the technical field of batteries, and particularly relates to a temperature-adjustable lithium ion battery pack.
Background
The endurance time of the battery in single charging is determined by the energy density of the battery, the energy density of the lithium ion battery is larger than that of other batteries, the technology of the lithium ion battery is continuously developed in recent years, and the lithium ion battery is widely applied to the fields of new energy automobiles, unmanned aerial vehicles, lighting systems and the like. However, the chemical reaction speed and efficiency of the lithium ion battery are greatly affected by the temperature, and when the temperature is low, the chemical reaction of the lithium ion battery is slow, the discharge current of the battery is reduced, the capacity of the battery is reduced, and other problems are caused.
At present, in order to solve the problem that the temperature requirement of the lithium ion battery is high, an existing lithium ion battery heat insulation box is pushed out for use, the heat insulation box comprises a lithium ion battery box shell and a heat insulation shell, the heat insulation shell is arranged in the lithium ion battery box shell, the lithium ion battery is arranged in the heat insulation shell, and the heat insulation shell is filled in a gap between the lithium ion battery box shell and a lithium ion battery pack so as to isolate the lithium ion battery from the lithium ion battery box shell. The heat preservation shell isolates the lithium ion battery in the lithium ion battery box from the environment outside the lithium ion battery box so as to ensure that the lithium ion battery works in a proper temperature environment range.
However, the volume of the whole lithium ion battery pack is increased due to the addition of the heat insulation shell, and the heat generated by the lithium ion battery cannot be discharged to the external environment due to the fact that a closed space is formed in the heat insulation shell in a high-temperature environment, so that the normal work of the lithium ion battery can be influenced.
SUMMERY OF THE UTILITY MODEL
The application provides a lithium ion battery pack with adjustable temperature to solve the problem that the lithium ion battery pack in the prior art is large in size and cannot normally work in a high-temperature environment.
The application provides a lithium ion battery group can adjust temperature includes: the battery comprises a plurality of battery cores, a plurality of isolation heating plates, a battery protection plate and a battery shell;
the battery cell is of a cylinder structure, and the battery cell and the isolation heating plate are alternately arranged in parallel;
the battery protection board is provided with a controller, a temperature sensor, an overcurrent protection module, an overvoltage protection module, an undervoltage protection module and a short-circuit protection module, the controller is electrically connected with the battery core, and the temperature sensor, the overcurrent protection module, the overvoltage protection module, the undervoltage protection module and the short-circuit protection module are electrically connected with the controller and the battery core;
the battery shell comprises an upper cover plate, a lower cover plate and a surrounding plate, wherein the surrounding plate surrounds a cylinder with two open ends, the upper cover plate and the lower cover plate cover the two open ends respectively, and the battery shell is made of metal and used for packaging the battery core, the isolation heating plate and the battery protection plate;
the battery cell charging device is characterized in that a charging plug is arranged on the upper cover plate and used for being plugged with an external power supply and charging the battery cell.
Optionally, a soft adhesive layer is arranged between the battery cell and the isolation heating plate, on one side of the enclosing plate close to the battery cell, on one side of the upper cover plate close to the battery cell, and on one side of the lower cover plate close to the battery cell.
Optionally, the soft rubber layer is a silica gel layer or a rubber layer.
Optionally, the isolation heating plate includes a heating wire and a glass fiber plate, and the heating wire is located inside the glass fiber plate.
Optionally, the battery case is made of an aluminum alloy material.
Optionally, a through hole is formed in the side face of the enclosing plate.
Optionally, a first cavity and a second cavity are arranged in the battery shell, the first cavity is close to the second cavity, the first cavity is used for placing the battery protection board, and the second cavity is used for placing the battery core and the isolation heating plate.
The application provides a lithium ion battery group can adjust temperature, keep apart hot plate, battery protection shield and battery case including a plurality of electric cores, polylith, be equipped with controller, temperature sensor, overcurrent protection module, overvoltage protection module, under-voltage protection module and short-circuit protection module on the battery protection shield, the controller electricity is connected the electricity core, temperature sensor, overcurrent protection module, overvoltage protection module, under-voltage protection module and the equal electricity of short-circuit protection module are connected the controller with electric core, battery case includes upper cover plate, lower cover plate and bounding wall, battery case is the metal material, is used for the encapsulation electric core, keep apart hot plate and battery protection shield, be equipped with charging plug on the upper cover plate, charging plug is used for grafting external power source and does electric core charges. By adopting the device, the temperature-adjustable lithium ion battery pack is small in size, the isolation heating plate heats the battery core, and the battery shell is made of metal materials and is favorable for heat dissipation.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is an exploded structural view of a temperature-adjustable lithium ion battery pack provided in the present application;
FIG. 2 is a schematic diagram illustrating connection of modules on a battery protection board of a temperature-adjustable lithium ion battery pack according to the present disclosure;
FIG. 3 is a cross-sectional view of an isolation heater plate in a temperature adjustable lithium ion battery pack provided herein;
fig. 4 is a side view of a temperature adjustable lithium ion battery pack provided herein.
The battery comprises a battery core 1, an isolation heating plate 2, a battery protection plate 3, a battery shell 4, a soft adhesive layer 5, a heating wire 21, a glass fiber plate 22, a controller 31, a temperature sensor 32, an overcurrent protection module 33, an overvoltage protection module 34, an undervoltage protection module 35, a short-circuit protection module 36, an upper cover plate 41, a lower cover plate 42, a surrounding plate 43, a first cavity 44, a second cavity 45, a charging plug 411, a through hole 431 and a battery wire protective sleeve 432.
Detailed Description
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The application provides a lithium ion battery group can adjust temperature, like the decomposition structure picture that figure 1 shows, lithium ion battery group can adjust temperature includes: a plurality of electric cores 1, polylith isolation hot plate 2, battery protection shield 3 and battery case 4.
Electric core 1 is the cylinder structure, electric core 1 is rectangle cylinder structure or cylinder structure, in this embodiment, electric core 1 is preferably the rectangle cylinder structure, electric core 1 with keep apart the parallel alternate arrangement of hot plate 2, and the lithium cell group that can adjust the temperature is placed on the level subaerial, in this embodiment, electric core 1 is arranged along perpendicular to ground direction list, if the capacity of the lithium cell group that can adjust the temperature that needs increase, electric core 1 can be arranged for biserial or multiseriate.
As shown in fig. 2, the battery protection board 3 is provided with a controller 31, a temperature sensor 32, an overcurrent protection module 33, an overvoltage protection module 34, an undervoltage protection module 35, and a short-circuit protection module 36, the controller 31 is electrically connected to the battery cell 1, the temperature sensor 32, the overcurrent protection module 33, the overvoltage protection module 34, the undervoltage protection module 35, and the short-circuit protection module 36 are electrically connected to the controller 31 and the battery cell 1, and the battery protection board 3 protects the battery cell 1 to prevent the battery cell 1 from having an excessively high temperature, an overcurrent, an overvoltage, an undervoltage, and a short circuit.
As shown in the exploded structure diagram of fig. 1, the battery case 4 includes an upper cover plate 41, a lower cover plate 42 and a surrounding plate 43, the surrounding plate 43 is a rectangular plate or four side plates, the surrounding plate 43 encloses a cylinder with two open ends, the cylinder with two open ends enclosed by the surrounding plate 43 is preferably a rectangular cylinder, the upper cover plate 41 and the lower cover plate 42 cover the two open ends enclosed by the surrounding plate 43 respectively, and the battery case 4 is made of a metal material and is used for encapsulating the battery core 1, the isolation heating plate 2 and the battery protection plate 3.
The upper cover plate 41 is provided with a charging plug 411, and the charging plug 411 is used for plugging an external power supply and charging the battery cell 1.
Electric core 1 with keep apart between the hot plate 2 the bounding wall 43 is close to one side of electric core 1 upper cover plate 41 is close to one side of electric core 1 and lower apron 42 is close to one side of electric core 1 is equipped with soft glue layer 5, soft glue layer 5 is right bounding wall 43, upper cover plate 41 and lower apron 42 play insulating effect, have avoided electric core 1 with bounding wall 43, upper cover plate 41 and lower apron 42 bump, when adjustable temperature lithium ion battery group takes place to shake, soft glue layer 5 plays the cushioning effect, prevents simultaneously electric core 1 with keep apart and take place relative dislocation between the hot plate 2.
The soft rubber layer 5 is a silica gel layer or a rubber layer, and the silica gel layer or the rubber layer is soft in material and can play a buffering role in a low-temperature or high-temperature environment.
As the section view shown in fig. 3, the isolation heating plate 2 includes a heating wire 21 and a glass fiber plate 22, the heating wire 21 is located inside the glass fiber plate 22, the glass fiber plate 22 is right the heating wire 21 has protection and insulation effects, in a low temperature environment, the electric core 1 is the heating wire 21 provides a power supply, the heating wire 21 raises the temperature, so that the electric core 1 works under a suitable temperature environment, and the heating wire 21 can be an iron-chromium-aluminum heating wire, a nickel-chromium heating wire and the like.
In order to reduce the weight of the temperature-adjustable lithium ion battery pack and enhance the deformation resistance of the battery shell 4, the battery shell 4 is made of an aluminum alloy material.
In order to enhance the heat dissipation effect of the battery case 4, a through hole 431 is provided on the side of the surrounding plate 43.
As shown in the exploded structure diagram of fig. 1, a first cavity 44 and a second cavity 45 are provided in the battery case 4, the first cavity 44 is adjacent to the second cavity 45, the first cavity 44 is used for placing the battery protection board 3, the battery protection board 3 is fixed in the first cavity 44 by a screw, the second cavity 45 is used for placing the battery core 1 and the isolation heating plate 2, the second cavity 45 may be a rectangular cylinder structure or a cylindrical structure, and the second cavity 45 is preferably a rectangular cylinder structure.
As shown in the side view of fig. 4, a threading hole for passing the battery wire is disposed on the lateral surface of the battery case 4 in the width direction, a tubular battery wire protection sleeve 432 made of an elastic material is installed in the threading hole, wherein the elastic material is preferably made of rubber, and the cross section of the inner hole of the battery wire protection sleeve 432 is gradually increased from the middle position to the two ends, so that two inclined planes are formed towards the two ends of the inner hole of the battery wire protection sleeve 432, and the inner hole of the battery wire protection sleeve 432 is prevented from wearing the battery wire.
The application provides a temperature-adjustable lithium ion battery pack, including a plurality of electric cores 1, polylith isolation hot plate 2, battery protection board 3 and battery case 4, electric core 1 is the cylinder structure, electric core 1 with the parallel alternative arrangement of isolation hot plate 2, be equipped with controller 31, temperature sensor 32, overcurrent protection module 33, overvoltage protection module 34, undervoltage protection module 35 and short-circuit protection module 36 on the battery protection board 3, controller 31 electricity is connected electric core 1, temperature sensor 32, overcurrent protection module 33, overvoltage protection module 34, undervoltage protection module 35 and short-circuit protection module 36 all electricity is connected controller 31 with electric core 1, battery case 4 includes upper cover plate 41, lower cover plate 42 and bounding wall 43, bounding wall 43 encloses into both ends open-ended cylinder, upper cover plate 41 with lower cover plate 42 covers both ends opening respectively, the battery shell 4 is made of metal and used for packaging the battery core 1, the isolation heating plate 2 and the battery protection plate 3, the upper cover plate 41 is provided with a charging plug 411, and the charging plug 411 is used for being plugged with an external power supply and charging the battery core 1. By adopting the device, the temperature-adjustable lithium ion battery pack is small in size, the isolation heating plate 2 is used for heating the battery core 1, and the battery shell 4 is made of metal materials and is favorable for heat dissipation.
The present application has been described in detail with reference to specific embodiments and illustrative examples, but the description is not intended to limit the application. Those skilled in the art will appreciate that various equivalent substitutions, modifications or improvements may be made to the presently disclosed embodiments and implementations thereof without departing from the spirit and scope of the present disclosure, and these fall within the scope of the present disclosure. The protection scope of this application is subject to the appended claims.

Claims (7)

1. A temperature-adjustable lithium ion battery pack, comprising: the battery comprises a plurality of battery cores (1), a plurality of isolation heating plates (2), a battery protection plate (3) and a battery shell (4);
the battery cell (1) is of a cylinder structure, and the battery cell (1) and the isolation heating plate (2) are arranged in parallel and alternately;
a controller (31), a temperature sensor (32), an overcurrent protection module (33), an overvoltage protection module (34), an undervoltage protection module (35) and a short-circuit protection module (36) are arranged on the battery protection board (3), the controller (31) is electrically connected with the battery core (1), and the temperature sensor (32), the overcurrent protection module (33), the overvoltage protection module (34), the undervoltage protection module (35) and the short-circuit protection module (36) are electrically connected with the controller (31) and the battery core (1);
the battery shell (4) comprises an upper cover plate (41), a lower cover plate (42) and a coaming plate (43), the coaming plate (43) is encircled to form a cylinder with two open ends, the upper cover plate (41) and the lower cover plate (42) cover the two open ends respectively, and the battery shell (4) is made of metal and used for packaging the battery core (1), the isolation heating plate (2) and the battery protection plate (3);
the battery cell charging device is characterized in that a charging plug (411) is arranged on the upper cover plate (41), and the charging plug (411) is used for being plugged with an external power supply and charging the battery cell (1).
2. The battery pack according to claim 1, characterized in that a soft adhesive layer (5) is arranged between the battery cell (1) and the insulating heating plate (2), on the side of the enclosing plate (43) close to the battery cell (1), on the side of the upper cover plate (41) close to the battery cell (1) and on the side of the lower cover plate (42) close to the battery cell (1).
3. The battery according to claim 2, characterized in that the soft gel layer (5) is a silicone or rubber layer.
4. The battery pack according to claim 1, wherein the insulated heating panel (2) comprises a heating wire (21) and a glass fiber plate (22), the heating wire (21) being located inside the glass fiber plate (22).
5. The battery pack according to claim 1, wherein the battery case (4) is made of an aluminum alloy.
6. The battery pack according to claim 1, wherein the side of the surrounding plate (43) is provided with a through-hole (431).
7. The battery pack according to claim 1, characterized in that a first cavity (44) and a second cavity (45) are provided in the battery housing (4), the first cavity (44) being adjacent to the second cavity (45), the first cavity (44) being used for placing the battery protection plate (3), and the second cavity being used for placing the battery core (1) and the insulating heating plate (2).
CN202021807370.3U 2020-08-26 2020-08-26 Temperature-adjustable lithium ion battery pack Active CN212571198U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021807370.3U CN212571198U (en) 2020-08-26 2020-08-26 Temperature-adjustable lithium ion battery pack

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021807370.3U CN212571198U (en) 2020-08-26 2020-08-26 Temperature-adjustable lithium ion battery pack

Publications (1)

Publication Number Publication Date
CN212571198U true CN212571198U (en) 2021-02-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021807370.3U Active CN212571198U (en) 2020-08-26 2020-08-26 Temperature-adjustable lithium ion battery pack

Country Status (1)

Country Link
CN (1) CN212571198U (en)

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