CN210136932U

CN210136932U - Module for power energy storage and modular lithium battery

Info

Publication number: CN210136932U
Application number: CN201921505669.0U
Authority: CN
Inventors: 魏洪波
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-03-10
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a module, modularization lithium cell for power energy storage, which comprises an outer shell, inner cavity of the shell is provided with the electric core group, the electric core group is connected through the wire electricity and is located the left integration apron of shell, the integration apron comprises apron and the circuit board of inlaying in the apron. The utility model discloses constitute simply, connect reliably, get electric safety, equipment easy, maintain convenient, through with lithium cell modularization, moduleization to automated production makes under the pressure of energy crisis and environmental pollution problem, still can obey the development theme of "safety, environmental protection, energy-conservation".

Description

Module for power energy storage and modular lithium battery

Technical Field

The utility model relates to a lithium cell field, concretely relates to module, modularization lithium cell for power energy storage.

Background

Under the pressure of energy crisis and environmental pollution problems, safety, environmental protection and energy conservation become the subjects of current development, and new energy lithium batteries are highly valued and strongly supported by traffic and energy departments due to the advantages of small volume, energy conservation, environmental protection and no pollution.

However, the existing monolithic lithium battery technology also has disadvantages:

1. the structure of the whole battery is complex and disordered, and modular standardized production is difficult to realize.

2. The connection reliability of the battery module is difficult to predict, the assembly and maintenance of the whole battery are difficult, and the maintenance cost is high.

3. The manufacturing and assembling production volume is large, the shapes are different, the automatic production is difficult to realize, and the production cost is higher.

4. The monoblock battery is because whole group battery protection shield is wrapped up in plastics, or iron box the inside, and the heat that produces at the in-process of charge-discharge can't dispel the heat to the external world fast, causes group battery thermal runaway, arouses potential safety hazards such as explosion, burning.

SUMMERY OF THE UTILITY MODEL

To the above problem, the utility model provides a module, modularization lithium cell for power energy storage with lithium cell modularization, moduleization to automated production makes, but maintains modularization replacement or module replacement, and the maintenance cost is lower, just the utility model discloses have that the constitution is simple, connect reliably, get safe, the equipment is easy and quick radiating function of electricity.

The utility model provides a module, modularization lithium cell for power energy storage, includes the shell, its characterized in that: the shell inner chamber is provided with the electric core group, the electric core group is connected through the wire electricity and is located the left integrated apron of shell, the integrated apron comprises apron and the circuit board of inlaying in the apron.

Preferably, the battery core group is composed of a plurality of battery cores, a first positive contact end and a first negative contact end are respectively arranged at two ends of the left end face of each battery core, and the first positive contact ends on the plurality of battery cores from top to bottom are connected with the adjacent first negative contact end below through a wire so that the plurality of battery cores are connected in series.

Preferably, the upper end and the lower end of the cover plate are respectively provided with a second anode contact end and a second cathode contact end.

Preferably, the circuit board comprises an aluminum-based protection board, a plurality of electronic elements are welded on the aluminum-based protection board, and a third anode contact end and a third cathode contact end are respectively arranged at the upper end and the lower end of the circuit board.

Preferably, the first negative contact end on the battery core at the top end of the battery core group is connected with the third negative contact end on the circuit board through a wire, and the first positive contact end on the battery core at the bottom end of the battery core group is connected with the third positive contact end on the circuit board through a wire.

Preferably, a second positive contact end on the cover plate is electrically connected to a third positive contact end on the circuit board, and a second negative contact end on the cover plate is electrically connected to a third negative contact end on the circuit board.

The utility model adopts the above technique, compare with current technique and have following beneficial effect:

1. the heat that the inside production of finished product lithium cell, through the aluminium base protection shield of inside electronic component to the protection of inside temperature and integration apron dispel the heat to the external world rapidly, make lithium cell group job stabilization.

2. Through can changing or returning the factory maintenance to single lithium cell, reach more environmental protection, economy, quick service user to through production integration apron, assemble single finished product lithium cell, can realize module, modularization manufacturing, it is easy to make the equipment, realizes standardized modularization and automated production, and power lithium cell module maintenance is convenient, realizes dual replacement maintenance mode.

3. The lithium power lithium battery packs with different shapes can be formed at will by serially connecting finished lithium batteries.

Drawings

FIG. 1 is a schematic diagram of the present invention;

FIG. 2 is an exploded view of the integrated cover plate;

FIG. 3 is a schematic structural view of the electric core assembly;

fig. 4 is a schematic view of an embodiment of the present invention.

In the figure: 1. a housing; 2. the electric core group; 21. an electric core; 211. a first positive electrode contact end; 212. a first negative contact end; 3. an integrated cover plate; 31. a cover plate; 311. a second positive electrode contact end; 312. a second negative contact end; 32. a circuit board; 321. a third negative contact end; 322. a third positive electrode contact end; 323. an aluminum-based protective plate.

Detailed Description

In combination with the drawings of the embodiments of the present invention, the following will clearly and completely describe the technical solutions of the embodiments of the present invention.

Referring to fig. 1-3, in an embodiment of the present invention, a module and a modular lithium battery for storing energy of power includes a housing 1, an inner cavity of the housing 1 is provided with a core pack 2, the core pack 2 is electrically connected to an integrated cover plate 3 located on the left side of the housing 1 through a wire, and the integrated cover plate 3 is composed of a cover plate 31 and a circuit board 32 embedded in the cover plate 31.

Referring to fig. 3, in the drawing, "+", "-" indicate positive and negative electrodes, the electric core assembly 2 is composed of a plurality of electric cores 21, two ends of the left end surface of each electric core 21 are respectively provided with a first positive electrode contact end 211 and a first negative electrode contact end 212, and the first positive electrode contact ends 211 on a plurality of electric cores 21 from top to bottom are connected with the adjacent first negative electrode contact end 212 below through a conducting wire so that the plurality of electric cores 21 are connected in series. Specifically, the first positive electrode contact end 211 on the battery cell 21 is connected to the first negative electrode contact end 212 on the next adjacent battery cell 21 through a wire, and in this way, the plurality of battery cells 21 are connected in series.

Referring to fig. 2 and 4, the "+" and "-" indicate positive and negative electrodes, and the upper and lower ends of the cover plate 31 are respectively provided with a second positive contact terminal 311 and a second negative contact terminal 312. Specifically, a plurality of finished lithium batteries are connected in series or in parallel to form a lithium battery pack, for example, a user needs a 72-volt lithium battery pack, and 6 12-volt finished lithium batteries are connected in series through the second positive contact end 311 on the cover plate 31 of the lithium battery to connect with the second negative contact end 312 on the cover plate 31 of the next adjacent lithium battery, so that the 72-volt battery pack can be used by electric equipment.

Referring to fig. 1 and 2, in the drawings, "+", "-" indicates positive and negative poles, the circuit board 32 includes an aluminum-based protective plate 323, the aluminum-based protective plate 323 is welded with a plurality of electronic components, and the upper and lower ends of the circuit board 32 are respectively provided with a third positive pole contact end 322 and a third negative pole contact end 321; the first negative contact end 212 on the top cell 21 of the cell group 2 is connected to the third negative contact end 321 on the circuit board 32 through a conducting wire, and the first positive contact end 211 on the bottom cell 21 of the cell group 2 is connected to the third positive contact end 322 on the circuit board 32 through a conducting wire. Specifically, the heat generated inside the finished lithium battery can be rapidly dissipated to the outside through the protection of the internal temperature by the electronic element welded on the aluminum-based protective plate 323 and the aluminum-based protective plate 323 of the integrated cover plate 3, so that the lithium battery pack can work stably. Further, the aluminum-based protective plate 323 may be replaced with a copper-based protective plate.

Referring to fig. 2, the "+" and "-" refer to positive and negative electrodes, the second positive contact end 311 of the cover plate 31 is electrically connected to the third positive contact end 322 of the circuit board 32, and the second negative contact end 312 of the cover plate 31 is electrically connected to the third negative contact end 321 of the circuit board 32, so as to integrate the cover plate 31 and the circuit board 32 and facilitate production.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. A module, modularization lithium cell for power energy storage, includes shell (1), its characterized in that: the utility model discloses a battery pack, including shell (1), battery pack (2) are connected through the wire electricity and are located shell (1) left integration apron (3), integration apron (3) comprise apron (31) and circuit board (32) of inlaying in apron (31).

2. A modular, modular lithium battery for power storage according to claim 1, characterized in that: the battery core group (2) is composed of a plurality of battery cores (21), a first positive electrode contact end (211) and a first negative electrode contact end (212) are respectively arranged at two ends of the left end face of each battery core (21), and the first positive electrode contact ends (211) on the battery cores (21) from top to bottom are connected with the adjacent first negative electrode contact ends (212) below through conducting wires so that the battery cores (21) are connected in series.

3. A modular, modular lithium battery for power storage according to claim 1, characterized in that: and the upper end and the lower end of the cover plate (31) are respectively provided with a second anode contact end (311) and a second cathode contact end (312).

4. A modular, modular lithium battery for power storage according to claim 3, characterized in that: the circuit board (32) comprises an aluminum-based protection plate (323), a plurality of electronic elements are welded on the aluminum-based protection plate (323), and a third anode contact end (322) and a third cathode contact end (321) are respectively arranged at the upper end and the lower end of the circuit board (32).

5. A module, modular lithium battery for power storage according to claim 4, characterized in that: the first negative contact end (212) on the battery core (21) at the top end of the battery core group (2) is connected with the third negative contact end (321) on the circuit board (32) through a lead, and the first positive contact end (211) on the battery core (21) at the bottom end of the battery core group (2) is connected with the third positive contact end (322) on the circuit board (32) through a lead.

6. A module, modular lithium battery for power storage according to claim 5, characterized in that: and a second positive contact end (311) on the cover plate (31) is in conductive connection with a third positive contact end (322) on the circuit board (32), and a second negative contact end (312) on the cover plate (31) is in conductive connection with a third negative contact end (321) on the circuit board (32).