CN215119015U

CN215119015U - Lithium battery with charging seat

Info

Publication number: CN215119015U
Application number: CN202121241948.8U
Authority: CN
Inventors: 宋浩堂; 李林森; 黄明咏; 文辰
Original assignee: Dongguan Weike New Energy Co ltd
Current assignee: Dongguan Weike New Energy Co ltd
Priority date: 2021-06-03
Filing date: 2021-06-03
Publication date: 2021-12-10
Anticipated expiration: 2031-06-03

Abstract

The utility model relates to the technical field of batteries, in particular to a lithium battery with a charging seat, which comprises a lithium battery body and the charging seat, wherein the charging seat comprises a shell, a circuit board, a positive electrode contact piece and a negative electrode contact piece, and a charging wire, a charging cavity is arranged inside the shell, the lithium battery body comprises a steel shell, a rolled core, a protective plate, an injection molding piece and a steel cap, the rolled core is provided with a positive electrode and a negative electrode, the positive electrode and the negative electrode are all connected with the protective plate, the negative electrode is connected with the steel shell, the positive electrode output end of the protective plate is connected with the steel cap, an insulating piece is arranged between the steel cap and the steel shell, the utility model discloses a protective plate is arranged inside the lithium battery, the circuit board is arranged inside the charging seat, the battery can be protected doubly, the lithium battery body is prevented from being burnt when being charged, and the rolled core of the lithium battery body is arranged inside the same cavity body, the PACK welding and assembling process can be simplified, and the production cost is reduced.

Description

Lithium battery with charging seat

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to indicate a lithium cell with charging seat.

Background

Batteries can be classified into various types according to their sizes. The common types include AAA, AA, C, D, which correspond to the commonly-known

batteries

7, 5, 2, 1, wherein the battery 1 and the battery 5 are most widely used, the battery 1 is widely used in civil use, military industry, and special dc power supplies, and the battery 5 is more widely used in daily life, such as digital cameras, electric toys, and the like.

But present lithium cell charging seat structure is complicated, can't protect the lithium cell when charging, and current lithium cell does not have charge-discharge protection in addition for battery life is shorter, and the easy polluted environment of abandonment battery.

SUMMERY OF THE UTILITY MODEL

The utility model discloses problem to prior art provides a lithium cell with charging seat.

In order to solve the technical problem, the utility model discloses a following technical scheme:

the utility model provides a lithium battery with a charging seat, which comprises a lithium battery body and the charging seat, the charging seat comprises a shell, a circuit board, positive and negative electrode contact pieces and a charging wire, a charging cavity is arranged in the shell, the positive and negative contact pieces are arranged at the front and rear ends of the charging cavity, the circuit board is arranged in the shell, the circuit board is connected with the positive and negative contact pieces, the charging wire is connected with the circuit board, the lithium battery body comprises a steel shell, a roll core, a protective plate, an injection molding piece and a steel cap, wherein the roll core is provided with a positive electrode and a negative electrode, the anode and the cathode are both connected with the protective plate, the cathode is connected with the steel shell, the positive output end of the protection plate is connected with the steel cap, an insulating part is arranged between the steel cap and the steel shell, and the injection molding part is arranged outside the protection plate.

Preferably, elastic pieces are arranged inside the positive and negative contact pieces, and the elastic pieces are arc-shaped metal pieces.

Preferably, the circuit board comprises a voltage reduction circuit, a voltage stabilizing circuit, a current stabilizing circuit and a processor, and the voltage reduction circuit, the voltage stabilizing circuit and the current stabilizing circuit are all electrically connected with the processor.

Preferably, the protection board comprises a processor U1, a capacitor C1, a capacitor C2, a resistor R1 and an inductor L1.

Preferably, the charging cavity is internally provided with an anti-skid layer, the anti-skid layer is provided with a convex block, and the anti-skid layer is made of silica gel.

Preferably, the steel cap is provided with a nickel plating layer.

Preferably, the positive and negative contact pieces are made of nickel-plated copper sheets.

The utility model has the advantages that:

the utility model provides a lithium battery with charging seat, which comprises a lithium battery body and a charging seat, wherein the charging seat comprises a shell, a circuit board, positive and negative contact pieces and a charging wire, a charging cavity is arranged inside the shell, the positive and negative contact pieces are arranged at the front and back ends of the charging cavity, the circuit board is arranged inside the shell, the circuit board is connected with the positive and negative contact pieces, the charging wire is connected with the circuit board, the lithium battery body comprises a steel shell, a winding core, a protective plate, an injection molding piece and a steel cap, the winding core is provided with a positive electrode and a negative electrode, the positive electrode and the negative electrode are both connected with the protective plate, the negative electrode is connected with the steel shell, the positive electrode output end of the protective plate is connected with the steel cap, an insulating piece is arranged between the steel shell and the injection molding piece is arranged outside the protective plate, the utility model discloses be provided with the protection shield inside the lithium cell, be provided with the circuit board in charging seat inside, can carry out dual protection to the battery, prevent to burn out lithium cell body when charging, and the utility model discloses a lithium cell body's book core and protection shield set up inside same cavity, can simplify PACK welding equipment process, reduction in production cost.

Drawings

Fig. 1 is a cross-sectional view of the lithium battery of the present invention.

Fig. 2 is a cross-sectional view of the charging seat of the present invention.

Fig. 3 is a schematic circuit diagram of the protection board of the present invention.

The reference numerals are respectively:

lithium battery body-1, charging seat-2, shell-3, circuit board-4, positive and negative pole contact piece-5, charging wire-6, steel shell-7, roll core-8, protective plate-9, injection molding-10, steel cap-11, elastic piece-12, positive pole-13, negative pole-14, insulating piece-15

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, the lithium battery with a charging seat 2 provided by the present invention comprises a lithium battery body 1 and a charging seat 2, wherein the charging seat 2 comprises a casing 3, a circuit board 4, positive and negative contact pieces 5, and a charging wire 6, the casing 3 is internally provided with a charging cavity, the positive and negative contact pieces 5 are installed at the front and rear ends of the charging cavity, the circuit board 4 is installed inside the casing 3, the circuit board 4 is connected with the positive and negative contact pieces 5, the charging wire 6 is connected with the circuit board 4, the lithium battery body 1 comprises a steel shell 7, a winding core 8, a protection plate 9, an injection molding piece 10, and a steel cap 11, the winding core 8 is provided with a positive electrode 13 and a negative electrode 14, the positive electrode 13 and the negative electrode 14 are both connected with the protection plate 9, the negative electrode 14 is connected with the steel shell 7, the output end of the positive electrode 13 of the protection plate 9 is connected with the steel cap 11, steel cap 11 with be provided with insulating part 15 between the box hat 7, injection molding 10 set up in outside protection shield 9, the utility model discloses be provided with protection shield 9 inside the lithium cell, be provided with circuit board 4 inside charging seat 2, can carry out dual protection to the battery, prevent to burn lithium cell 1 when charging, and the utility model discloses a lithium cell 1 roll up core 8 and protection shield 9 and set up inside same cavity, can simplify PACK welding equipment process, reduction in production cost.

In this embodiment, the elastic member 12 is disposed inside the positive and negative contact pieces 5, the elastic member 12 is an arc-shaped metal sheet, and the elastic member 12 can prevent the positive and negative contact pieces 5 from being in poor contact with the lithium battery body 1 during charging.

In this embodiment, the circuit board 4 includes a voltage reduction circuit, a voltage stabilizing circuit, a current stabilizing circuit and a processor, and the voltage reduction circuit, the voltage stabilizing circuit and the current stabilizing circuit are all electrically connected to the processor.

As shown in fig. 3, in this embodiment, the protection board 9 includes a processor U1, a capacitor C1, a capacitor C2, a resistor R1, and an inductor L1.

In this embodiment, the intracavity that charges is provided with the skid resistant course, the skid resistant course is provided with the lug, the skid resistant course adopts the silica gel material to make, and the skid resistant course can prevent the condition that the battery skidded when taking out lithium cell body 1.

In this embodiment, for guaranteeing the utility model discloses an electric conductive property, be provided with the nickel coating on the steel cap 11, positive negative pole contact piece 5 adopts the nickel plating copper sheet to make.

The above description is only for the preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention is disclosed in the preferred embodiment, it is not limited to the above description, and any person skilled in the art can make some changes or modifications to equivalent embodiments without departing from the scope of the present invention, but all the technical solutions of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a lithium cell with charging seat which characterized in that: including lithium cell body and charging seat, the charging seat includes casing, circuit board, positive negative pole contact piece, charging wire, the inside chamber that charges that is provided with of casing, positive negative pole contact piece install in charge chamber front and back end, the circuit board install in inside the casing, the circuit board with positive negative pole contact piece is connected, the charging wire with the circuit board is connected, lithium cell body includes the box hat, rolls up core, protection shield, injection molding, steel cap, it is provided with positive pole, negative pole to roll up the core, anodal the negative pole all with the protection shield is connected, the negative pole with the box hat is connected, the anodal output of protection shield with the steel cap is connected, the steel cap with be provided with the insulating part between the box hat, the injection molding set up in outside the protection shield.

2. The lithium battery with a charging seat as set forth in claim 1, wherein: elastic pieces are arranged inside the positive and negative contact pieces and are arc-shaped metal pieces.

3. The lithium battery with a charging seat as set forth in claim 1, wherein: the circuit board comprises a voltage reduction circuit, a voltage stabilizing circuit, a current stabilizing circuit and a processor, wherein the voltage reduction circuit, the voltage stabilizing circuit and the current stabilizing circuit are all electrically connected with the processor.

4. The lithium battery with a charging seat as set forth in claim 1, wherein: the protection board comprises a processor U1, a capacitor C1, a capacitor C2, a resistor R1 and an inductor L1.

5. The lithium battery with a charging seat as set forth in claim 1, wherein: the anti-skid layer is arranged in the charging cavity and provided with a convex block, and the anti-skid layer is made of silica gel.

6. The lithium battery with a charging seat as set forth in claim 1, wherein: and a nickel plating layer is arranged on the steel cap.

7. The lithium battery with a charging seat as set forth in claim 1, wherein: the positive and negative contact pieces are made of nickel-plated copper sheets.