CN221327995U

CN221327995U - Battery pack with Type-C interface

Info

Publication number: CN221327995U
Application number: CN202323166182.3U
Authority: CN
Inventors: 曹振东
Original assignee: Hunan Granbo Technology Co ltd
Current assignee: Hunan Granbo Technology Co ltd
Priority date: 2023-11-23
Filing date: 2023-11-23
Publication date: 2024-07-12
Anticipated expiration: 2033-11-23

Abstract

The application provides a battery pack with a Type-C interface, which is charged through the Type-C interface without configuring a special charger, so that the portability of the battery pack is improved. In addition, through integrating charge management module and management module that discharges in the PCB protection shield, realize charge state's instruction function through PCB protection shield internal integration's pilot lamp module simultaneously to simple electrical component accomplishes the charge-discharge function and the instruction function of battery package, and the space that electrical component takes up is less, makes the battery package have small, light in weight, easily remove advantage. The positive electrode output end and the negative electrode output end of the battery core unit in the battery pack are respectively arranged at the two ends of the PCB protection board, and meanwhile, the positive electrode and the negative electrode of the battery pack are respectively positioned at the opposite angle ends of the battery pack based on the arranged positive electrode extension piece, so that the risk of contact short circuit of the positive electrode and the negative electrode of the battery pack is avoided.

Description

Battery pack with Type-C interface

Technical Field

The application belongs to the field of batteries, and particularly relates to a battery pack with a Type-C interface.

Background

The chargeable and dischargeable battery is used as an energy source, has stable and reliable performance due to stable voltage and current, is convenient to carry, is simple and convenient to charge and discharge, and is widely applied to mobile electric tools. However, most of the current batteries still use the traditional charging mode, and a specially-matched charger is needed in the charging process, so that the battery can be charged when the rechargeable battery is used and the matched charger is needed to be carried at the same time for low electricity, and the portability of the battery or the mobile electric tool is reduced.

Disclosure of utility model

In view of the above, in order to make the chargeable and dischargeable battery more portable, the application aims to provide a battery pack with a Type-C interface, which avoids the trouble of carrying a specially-configured charger, and the whole battery pack has the advantages of simple structure, portability and portability.

The application discloses a battery pack with a Type-C interface, which comprises a battery shell and a shell cover, wherein the shell cover is detachably covered on the shell, a battery core unit, a PCB protection plate and an anode extension piece are arranged in the battery shell, and the battery shell comprises:

The PCB protection board is fixed on one side of the battery cell unit, and a charging management module and a discharging management module are integrated and electrically connected inside the PCB protection board;

The positive electrode connector and the negative electrode connector of the charging management module and the positive electrode output end and the negative electrode output end of the discharging management module are arranged on the lower side surface of the PCB protection plate;

The charging management module is electrically connected with a Type-C interface arranged on the upper side surface of the PCB protection board;

The positive electrode of the battery cell unit is respectively connected with the positive electrode joint and the positive electrode output end, and the negative electrode of the battery cell unit is respectively connected with the negative electrode joint and the negative electrode output end;

The output anode of the battery pack is arranged at the lower side of one end far away from the PCB protection plate, the output anode is connected with the output end of the anode through an anode extension piece, the output cathode of the battery pack penetrates through the PCB protection plate and is fixed at the upper side of the PCB protection plate, and the output cathode is connected with the output end of the cathode.

Furthermore, an indicator light module is further integrated inside the PCB protection board, and the indicator light module is electrically connected with the charge management module and used for indicating the charge state of the battery pack.

Further, the positive electrode output end and the negative electrode output end are respectively arranged at two ends of the PCB protection plate.

Further, the output negative electrode is an inverted L-shaped bending piece.

Further, the positive electrode extension piece is a strip-shaped nickel sheet.

Further, the output positive electrode is an annular steel sheet.

Further, the battery cell also comprises a double-sided adhesive layer, and the battery cell unit is fixedly adhered with the battery shell through the double-sided adhesive layer.

Further, the output positive electrode and the output negative electrode of the battery pack are respectively positioned at the diagonal ends of the battery pack.

Further, the battery cell unit further comprises a high-temperature adhesive layer, and the PCB protection board is fixedly adhered to the side face of the battery cell unit through the high-temperature adhesive layer.

The application has the following beneficial effects:

According to the battery pack with the Type-C interface, provided by the application, the Type-C interface is used for charging, a special charger is not required to be configured, and the portability of the battery pack is improved. In addition, through integrating charge management module and management module that discharges in the PCB protection shield, realize charge state's instruction function through PCB protection shield internal integration's pilot lamp module simultaneously to simple electrical component accomplishes the charge-discharge function and the instruction function of battery package, and the space that electrical component takes up is less, makes the battery package have small, light in weight, easily remove advantage. The positive electrode output end and the negative electrode output end of the battery core unit in the battery pack are respectively arranged at two ends of the PCB protection board, and meanwhile, the positive electrode and the negative electrode of the battery pack are respectively positioned at the opposite angle ends of the battery pack based on the arranged positive electrode extension piece, so that the risk of contact short circuit of the positive electrode and the negative electrode of the battery pack is avoided.

Drawings

Figure 1 is an exploded view of a battery pack with a Type-C interface according to some embodiments of the present application,

Figure 2 is a schematic view of the entire interior of a battery pack with a Type-C interface according to some embodiments of the present application,

Figure 3 is an overall schematic view of a PCB protection plate in a battery pack with a Type-C interface according to some embodiments of the present application,

Fig. 4 is a bottom view of a PCB protection plate in a battery pack with a Type-C interface according to some embodiments of the present application

Fig. 5 is an internal control circuit diagram of a PCB protection plate in a battery pack with a Type-C interface according to some embodiments of the present application.

Reference numerals illustrate:

11. The battery pack comprises a shell, 12 parts of a shell cover, 2 parts of a battery cell unit, 3 parts of a PCB protection board, 301 parts of a charge management module, 302 parts of a discharge management module, 303 parts of an indicator lamp module, 31 parts of a type-C interface, 32 parts of an output negative electrode, 33 parts of a positive electrode connector, 34 parts of a negative electrode connector, 35 parts of an indicator lamp, 36 parts of a negative electrode output end, 37 parts of a positive electrode output end, 4 parts of a positive electrode extension piece, 41 parts of a positive electrode connection end, 42 parts of an output positive electrode, 5 parts of a high-temperature adhesive layer and 6 parts of a double-sided adhesive layer.

Detailed Description

In order that the application may be readily understood, a more complete description of the application will be rendered by reference to the appended drawings. The drawings illustrate preferred embodiments of the application. This application may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly on" another element, there are no intervening elements present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used herein in the description of the application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 and fig. 2, the arrow pointing to the cross-shaped figure in the figure is defined as the upper direction, the application provides a battery pack with a Type-C interface, which comprises a battery shell 11 and a shell cover 12, wherein the shell cover 12 is detachably covered on the shell 11, a containing cavity is formed inside when the shell cover 12 is covered on the shell 11, and a battery cell unit 2, a PCB protection plate 3 and an anode extension piece 4 are arranged in the cavity of the battery shell 11; the cell unit 2 is a chargeable and dischargeable battery, preferably a lithium ion secondary battery, and in some embodiments, the cell unit 2 is a cuboid, and the side surface of the cell unit 2 is fixedly adhered to the battery shell 11 by a double-sided adhesive layer 6; as shown in fig. 1, the positive and negative electrodes of the cell unit 2 are disposed on the upper side of the rectangular parallelepiped. The battery pack is characterized in that a PCB (Printed Circuit Board, a printed circuit board protection board 3, a charging management module 301 and a discharging management module 302 which are electrically connected are integrated inside the PCB protection board 3, an indicator light module 303 is also integrated inside the PCB protection board 3, the indicator light module 303 is electrically connected with the charging management module 301 and used for indicating the charging state of the battery pack, a control circuit diagram inside the PCB protection board 3 is shown in fig. 5, the charging management module 301 is used for carrying out charging management on the battery cell 2, the discharging management module 302 is used for managing discharging of the battery cell 2, a diode indicator light 35 in the indicator light module 303 is used for indicating when the battery cell 2 is externally charged, an indicator light is turned on when the indicator light is in a full state, and a red light is turned off when the indicator light is in a fault state, and no battery state is turned on when the indicator light is turned on, and the indicator light module 301 and the discharging management module 302 are integrated in the PCB 3, and the indicator light module 303 is integrated inside the PCB protection board 3, so that the charging and the indicator function of the charging state of the battery pack is achieved through simple electrical elements, the charging and the indicator function of the battery pack is completed, the indicator light is small in space, the battery pack is light, light weight and portable.

In one embodiment, the elements in charge management module 301 and discharge management module 302 function as follows:

The structure of the PCB protection plate 3 is shown in fig. 3 and 4; the charge management module 301 is electrically connected with the Type-C interface 31 on the upper side of the PCB protection board 3, the indicator lamp 35 is located on one side of the Type-C interface 31 on the upper side of the PCB protection board 3, the positive electrode connector 33 and the negative electrode connector 34 of the charge management module 301 and the positive electrode output end 37 of the discharge management module 302 are located on the lower side of the PCB protection board 3, and the positive electrode output end 37 and the negative electrode output end 36 are respectively arranged at two ends of the PCB protection board 3.

The cell unit 2 and the PCB protection board 3 are adhered and fixed through the high-temperature adhesive layer 5. The positive electrode of the battery cell unit 2 is respectively connected with a positive electrode joint 33 and a positive electrode output end 37 of the lower side surface of the PCB protection plate 3, and the negative electrode of the battery cell unit 2 is respectively connected with a negative electrode joint 34 and a negative electrode output end 36 of the lower side surface of the PCB protection plate 3; the output positive electrode 42 of the battery pack is arranged at the lower side of one end far away from the PCB protection plate 3, and the output positive electrode 42 is connected with the positive electrode output end 37 of the lower side surface of the PCB protection plate 3 through the positive electrode extension piece 4, the positive electrode extension piece 4 is a strip-shaped conductive metal sheet or alloy sheet, and the output positive electrode 42 is a ring-shaped conductive metal sheet or alloy sheet. In one embodiment, the anode extension 4 is an elongated nickel sheet, and the output anode 42 is an annular steel sheet; the output negative pole 32 of battery package is located the upside of PCB protection shield 3, and output negative pole 32 passes PCB protection shield 3 and is connected with the negative pole output 36 that is located the downside of PCB protection shield 3, and output negative pole 32 is the reverse L shape and buckles the piece, and reverse L shape output negative pole 32 buckles towards with Type-C interface opening opposite direction. In order to avoid the risk of short circuit of the positive and negative poles of the battery pack, the positive output end 37 and the negative output end 36 of the battery cell unit 2 in the battery pack are respectively arranged at two ends of the PCB protection board 3, and meanwhile, the output positive electrode 42 and the output negative electrode 32 of the battery pack are respectively arranged at the opposite corners of the battery pack through the positive extension piece 4, so that the output positive electrode 42 and the output negative electrode 32 of the battery pack are furthest apart in the battery pack.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims

1. The utility model provides a take battery package of Type-C interface, includes battery case (11) and cap (12), cap (12) detachable cover in on casing (11), its characterized in that, establish electric core unit (2), PCB protection shield (3) and anodal extension (4) in battery case (11), wherein:

The PCB protection board (3) is fixed on one side of the battery cell unit (2), and a charging management module (301) and a discharging management module (302) are integrated and electrically connected inside the PCB protection board (3);

The positive electrode joint (33) and the negative electrode joint (34) of the charging management module (301) and the positive electrode output end (37) and the negative electrode output end (36) of the discharging management module (302) are arranged on the lower side surface of the PCB protection plate (3);

The charging management module (301) is electrically connected with a Type-C interface (31) arranged on the upper side surface of the PCB protection board (3);

The positive electrode of the battery cell unit (2) is respectively connected with the positive electrode joint (33) and the positive electrode output end (37), and the negative electrode of the battery cell unit (2) is respectively connected with the negative electrode joint (34) and the negative electrode output end (36);

The output positive pole (42) of battery package is located and is kept away from the one end downside of PCB protection shield (3), just output positive pole (42) pass through anodal extension (4) with anodal output (37) are connected, output negative pole (32) of battery package pass PCB protection shield (3) and fix in the upside of PCB protection shield (3), output negative pole (32) with negative pole output (36) are connected.

2. The battery pack with the Type-C interface according to claim 1, wherein an indicator light module (303) is further integrated inside the PCB protection plate (3), and the indicator light module (303) is electrically connected with the charge management module (301) for indicating a charging state of the battery pack.

3. The battery pack with Type-C interface according to claim 1, wherein the positive electrode output terminal (37) and the negative electrode output terminal (36) are respectively provided at both ends of the PCB protection plate (3).

4. The battery pack with Type-C interface of claim 1, wherein the output negative electrode (32) is an inverted L-shaped bent sheet.

5. The battery pack with Type-C interface of claim 1, wherein the positive extension (4) is an elongated nickel sheet.

6. The battery pack with Type-C interface of claim 1, wherein the output positive electrode (42) is a ring-shaped steel sheet.

7. The battery pack with the Type-C interface according to claim 1, further comprising a double-sided adhesive layer (6), wherein the battery cell (2) is fixedly adhered to the battery case (11) through the double-sided adhesive layer (6).

8. The battery pack with Type-C interface of claim 1, wherein the output positive (42) and output negative (32) poles of the battery pack are located at opposite corners of the battery pack, respectively.

9. The battery pack with the Type-C interface according to claim 1, further comprising a high-temperature adhesive layer (5), wherein the PCB protection plate (3) is fixedly adhered to the side surface of the battery cell unit (2) through the high-temperature adhesive layer (5).