CN216773388U - Lithium ion battery pack and power utilization device - Google Patents
Lithium ion battery pack and power utilization device Download PDFInfo
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- CN216773388U CN216773388U CN202123431618.8U CN202123431618U CN216773388U CN 216773388 U CN216773388 U CN 216773388U CN 202123431618 U CN202123431618 U CN 202123431618U CN 216773388 U CN216773388 U CN 216773388U
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- battery module
- battery
- lithium ion
- circuit board
- ion battery
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Abstract
The utility model discloses a lithium ion battery pack and a power utilization device, wherein the lithium ion battery pack comprises a box body, battery modules and a battery management system, each battery module comprises a first battery module and a second battery module, the second battery modules are stacked on the first battery modules, and single batteries are stacked in a one-to-one correspondence manner, so that the space occupied by the battery modules in the box body can be saved, and the utilization rate of the box body is improved; the circuit board sets up on battery module, first battery module, second battery module and circuit board pass through the fibre sticky tape fixed, first battery module, be provided with first epoxy board outside second battery module and the circuit board, fibre sticky tape and first epoxy board can realize first battery module, the fixed and protection of second battery module and circuit board, first battery module after will finishing fixing, second battery module and circuit board are put into the box, can guarantee battery module's stability and safety, accomplish the installation to lithium ion battery group simply fast, and the efficiency is improved.
Description
Technical Field
The utility model relates to the field of lithium ion batteries, in particular to a lithium ion battery pack and a power utilization device.
Background
The lithium ion battery is a novel battery, has the advantages of no memory, long service life, high energy density, high power density, environmental friendliness and the like, is widely applied to various industries and fields, and the related technology is continuously and rapidly developed under the promotion of practical application. The lithium ion battery is likely to explode due to external impact, so that the requirement on the stability of the lithium ion battery is high, and the conventional lithium ion battery adopts a complex structure in order to ensure the stability of the lithium battery, so that the lithium ion battery is difficult to install.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the utility model provides the lithium ion battery pack which is stable in structure and simple to mount.
The utility model also provides an electric device with the lithium ion battery pack.
A lithium ion battery pack according to an embodiment of a first aspect of the present invention includes
A box body;
the battery module comprises a first battery module and a second battery module, the first battery module and the second battery module are arranged in the box body, the first battery module and the second battery module are composed of a plurality of single batteries, the number of the single batteries of the first battery module is larger than that of the single batteries of the second battery module, the second battery module is stacked on the first battery module, and the first battery module is connected with the second battery module through a nickel strap;
the battery management system comprises a circuit board, the circuit board is arranged on the battery module and electrically connected with the battery module, and the first battery module, the second battery module and the circuit board are fixed through fiber adhesive tapes;
the first battery module, the second battery module and the circuit board are externally provided with a first epoxy plate, and the first epoxy plate covers the first battery module, the second battery module and the circuit board so as to realize insulation protection of the first battery module, the second battery module and the circuit board.
The lithium ion battery pack according to the embodiment of the first aspect of the utility model has at least the following advantages: the lithium ion battery pack comprises a box body, battery modules and a battery management system, wherein the battery modules comprise a first battery module and a second battery module, and the second battery module is stacked on the first battery module, so that the space occupied by the battery modules in the box body can be saved, and the utilization rate of the box body is improved; the circuit board sets up on battery module, first battery module, second battery module and circuit board pass through the fibre sticky tape fixed, first battery module, be provided with first epoxy board outside second battery module and the circuit board, first battery module is established to first epoxy board cover, second battery module and circuit board, fibre sticky tape and first epoxy board can realize first battery module, the fixed and protection of second battery module and circuit board, first battery module after will finishing fixing, the box is put into to second battery module and circuit board an organic whole, can guarantee battery module's stability and safety, accomplish the installation to lithium ion battery group simple fast, and the efficiency is improved.
According to some embodiments of the utility model, the box body comprises a bottom plate, four side plates arranged on the bottom plate and a top plate rotatably arranged on one of the side plates, and the four side plates are matched with the bottom plate to form a containing cavity.
According to some embodiments of the present invention, the side plate is provided with a positive terminal and a negative terminal, the positive terminal is electrically connected to the battery module, and the negative terminal is electrically connected to the battery module.
According to some embodiments of the utility model, a power display is disposed on the side panel, the power display being electrically connected to the battery management system.
According to some embodiments of the utility model, the power display is provided with an LED lamp and a key switch for controlling the LED lamp.
According to some embodiments of the present invention, the side plate is provided with a terminal, which is electrically connected to the battery module.
According to some embodiments of the utility model, the unit cell is configured as a 26650 type ternary lithium ion battery.
According to some embodiments of the utility model, the upper end of the side plate is further provided with a vent hole for heat dissipation.
According to a second aspect of the present invention, an electric device includes the lithium ion battery pack of the first aspect.
According to the electric device in the embodiment of the second aspect of the utility model, at least the following advantages are achieved: the lithium ion battery pack of the embodiment of the first aspect is adopted by the power utilization device, so that the stability and the safety of a battery module can be ensured, the installation of the lithium ion battery pack can be simply and quickly completed, and the efficiency is improved.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a lithium ion battery pack according to an embodiment of the utility model;
fig. 2 is a schematic view of the internal structure of the lithium ion battery pack shown in fig. 1.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the upper, lower, front, rear, left, right, inner, outer, etc., is the orientation or positional relationship shown on the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present invention, unless otherwise specifically limited, terms such as set, mounted, connected, assembled, matched, etc. should be understood broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the detailed contents of the technical solutions.
A lithium ion battery pack according to an embodiment of the present invention is described below with reference to fig. 1 to 2.
A lithium ion battery pack according to an embodiment of the present invention, as shown in fig. 1 to fig. 2, includes a case, a battery module, and a battery management system, where the battery module includes a first battery module 100 and a second battery module 200, the first battery module 100 and the second battery module 200 are disposed in the case, the first battery module 100 and the second battery module 200 are composed of a plurality of single batteries, the number of the single batteries of the first battery module 100 is greater than that of the single batteries of the second battery module 200, the second battery module 200 is stacked on the first battery module 100, the single batteries are stacked in a one-to-one correspondence, and the first battery module 100 is connected to the second battery module 200 through a nickel strap. The second battery module 200 is stacked on the first battery module 100, the single batteries of the second battery module 200 and the single batteries of the first battery module 100 are stacked in a one-to-one correspondence manner, and the first battery module 100 and the second battery module 200 are connected through a nickel strap, so that the space in the box body can be saved, and the utilization rate of the box body is improved. Specifically, in some embodiments, the unit cells are configured as a 26650 type ternary lithium ion battery. It should be noted that, in some embodiments, the first battery module 100 includes 64 single batteries, 64 single batteries form the first battery module 100 by a connection form of 16 parallel to 4 strings, the second battery module 200 includes 48 single batteries, 48 single batteries form the second battery module 200 by a connection form of 16 parallel to 3 strings, the second battery module 200 of 16 parallel to 3 strings is stacked on the first battery module 100 of 16 parallel to 4 strings, three sides of the second battery module 200 are flush with the first battery module 100, and the first battery module 100 and the second battery module 200 are connected in series by nickel bands to form a battery pack of 16 parallel to 7 strings.
The battery management system includes a circuit board 300, the circuit board 300 is disposed on the battery module, the circuit board 300 is electrically connected to the battery module, and the first battery module 100, the second battery module 200, and the circuit board 300 are fixed by a fiber tape. The battery management system can protect a plurality of aspects of charging, overdischarging, overcurrent, short circuit, temperature and the like of the lithium ion battery pack, has a communication function, and can enable parameters of the lithium ion battery pack, such as current, voltage, capacity, charging and discharging times, charging depth and the like, to be in interactive communication with an external system through a specific protocol. First epoxy boards are arranged outside the first battery module 100, the second battery module 200 and the circuit board 300, and the first battery module 100, the second battery module 200 and the circuit board 300 are covered by the first epoxy boards, so that the first battery module 100, the second battery module 200 and the circuit board 300 are insulated and protected. The circuit board 300 is arranged on the battery module, the first battery module 100, the second battery module 200 and the circuit board 300 are fixed through the fiber adhesive tape, a first epoxy board is arranged outside the first battery module 100, the second battery module 200 and the circuit board 300, the first battery module 100, the second battery module 200 and the circuit board 300 are covered by the first epoxy board, the fiber adhesive tape and the first epoxy board can realize the fixation and protection of the first battery module 100, the second battery module 200 and the circuit board 300, the first battery module 100, the second battery module 200 and the circuit board 300 after the fixation are placed in the box body, the stability and the safety of the battery module can be ensured, the installation of the lithium ion battery pack can be simply and rapidly completed, and the efficiency is improved.
In some embodiments, the case includes a bottom plate, four side plates 410 disposed on the bottom plate, and a top plate 420 rotatably mounted on one of the side plates 410, wherein the four side plates 410 cooperate with the bottom plate to form a receiving cavity. The battery module and the battery management system are placed into the containing cavity, the bottom plate supports the battery module, the four side plates 410 are arranged on the bottom plate in a surrounding mode, and the containing cavity is formed by matching with the bottom plate to protect the battery module. One of them curb plate 410 is last rotatable to be installed roof 420, and roof 420 can rotate relative curb plate 410 and form the opening to put into battery module and battery management system and hold the intracavity, roof 420 rotates and closes the opening, can seal holding the chamber, seals and protects battery module and battery management system who holds the intracavity.
In some embodiments, the side plate 410 is provided with a positive terminal 411 and a negative terminal 412, the positive terminal 411 is electrically connected with the battery module, and the negative terminal 412 is electrically connected with the battery module. The side plate 410 is provided with a positive terminal 411 and a negative terminal 412, and the positive terminal 411 and the negative terminal 412 are electrically connected with the battery module, so that the battery module can be electrified with the outside, and the battery module can be charged or discharged conveniently.
In some embodiments, a power display 415 is disposed on the side panel 410, and the power display 415 is electrically connected to the battery management system. The electric quantity display 415 is connected with the battery management system, the battery management system has a communication function, parameters such as current, voltage, capacity, charging and discharging times and charging depth of the lithium ion battery pack can be in interactive communication with external systems such as the electric quantity display 415 through a specific protocol, the electric quantity of the battery module is displayed on the electric quantity display 415, the residual electric quantity of the battery module can be observed and mastered conveniently, and the lithium ion battery pack can be charged in time.
Specifically, in some embodiments, the power display 415 is provided with an LED light and a key switch for controlling the LED light. Electric quantity display 415 is provided with LED lamp and key switch, and the LED lamp can show battery module's electric current, voltage, capacity, charge-discharge number of times and depth of charge isoparametric, and key switch is used for controlling the luminance of LED lamp, can adjust the luminance of LED lamp, and the LED lamp is transferred and is lighted or the dim to in order to look over the electric quantity of battery module better, can also the energy saving simultaneously. In addition, in some embodiments, the side plate 410 is provided with a terminal 413, and the terminal 413 is electrically connected to the battery module. The wiring terminal 413 is arranged to facilitate the connection of wires, and the universality of the lithium ion battery pack is improved.
In some embodiments, the upper end of the side plate 410 is further provided with a vent 414 for heat dissipation. The box includes four curb plates 410, and the upper end of four curb plates 410 all is provided with air vent 414, and air vent 414's setting can carry out gas exchange with the external world, and the battery module in the box of being convenient for dispels the heat, improves lithium ion battery group's radiating effect.
According to a second aspect of the present invention, an electric device includes the lithium ion battery pack of the first aspect. According to the electric device in the embodiment of the second aspect of the utility model, by adopting the lithium ion battery pack in the embodiment of the first aspect, the stability and safety of the battery module can be ensured, the installation of the lithium ion battery pack can be simply and quickly completed, and the efficiency is improved. Specifically, in some embodiments, the powered device is an automated guided vehicle. An automated Guided vehicle (agv) is a vehicle equipped with an electromagnetic or optical automatic guide device, which can travel along a predetermined guide path and has safety protection and various transfer functions. The lithium ion battery pack has the characteristics of light weight, high power and convenience and rapidness in assembly, and is suitable for being installed and used on an automatic guide transport vehicle.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A lithium ion battery, comprising:
a box body;
the battery module comprises a first battery module and a second battery module, the first battery module and the second battery module are arranged in the box body, the first battery module and the second battery module are composed of a plurality of single batteries, the number of the single batteries of the first battery module is larger than that of the single batteries of the second battery module, the second battery module is stacked on the first battery module, and the first battery module is connected with the second battery module through a nickel strap;
the battery management system comprises a circuit board, the circuit board is arranged on the battery module and electrically connected with the battery module, and the first battery module, the second battery module and the circuit board are fixed through fiber adhesive tapes;
the first battery module, the second battery module and the circuit board are externally provided with a first epoxy plate, and the first epoxy plate covers the first battery module, the second battery module and the circuit board so as to realize insulation protection of the first battery module, the second battery module and the circuit board.
2. The lithium ion battery pack of claim 1, wherein a second epoxy plate is disposed between the battery module and the circuit board for isolation.
3. The lithium ion battery pack of claim 1, wherein the box body comprises a bottom plate, four side plates disposed on the bottom plate, and a top plate rotatably mounted on one of the side plates, and the four side plates cooperate with the bottom plate to form a receiving cavity.
4. The lithium ion battery pack of claim 3, wherein the side plate is provided with a positive terminal and a negative terminal, the positive terminal is electrically connected with the battery module, and the negative terminal is electrically connected with the battery module.
5. The lithium ion battery pack of claim 3, wherein a charge indicator is disposed on the side panel, and the charge indicator is electrically connected to the battery management system.
6. The lithium ion battery pack as claimed in claim 5, wherein the power display is provided with an LED lamp and a key switch for controlling the LED lamp.
7. The lithium ion battery pack as claimed in claim 3, wherein the side plate is provided with a terminal, and the terminal is electrically connected with the battery module.
8. The lithium ion battery pack of claim 1, wherein the single cells are arranged as a 26650 type ternary lithium ion battery.
9. The lithium ion battery pack of claim 3, wherein the upper end of the side plate is further provided with a vent hole for heat dissipation.
10. An electric device comprising a lithium ion battery according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431618.8U CN216773388U (en) | 2021-12-30 | 2021-12-30 | Lithium ion battery pack and power utilization device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123431618.8U CN216773388U (en) | 2021-12-30 | 2021-12-30 | Lithium ion battery pack and power utilization device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216773388U true CN216773388U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123431618.8U Active CN216773388U (en) | 2021-12-30 | 2021-12-30 | Lithium ion battery pack and power utilization device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216773388U (en) |
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2021
- 2021-12-30 CN CN202123431618.8U patent/CN216773388U/en active Active
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