CN212461411U

CN212461411U - Rechargeable battery

Info

Publication number: CN212461411U
Application number: CN202020680644.0U
Authority: CN
Inventors: 王坤利
Original assignee: Shenzhen Dongfang Xinyuan New Energy Co ltd
Current assignee: Shenzhen Dongfang Xinyuan New Energy Co ltd
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-02-02
Anticipated expiration: 2030-04-28

Abstract

The utility model discloses a rechargeable battery, which comprises a metal sleeve as a battery cathode and a positive electrode sharp cap as a battery anode, wherein an electric core, a main PCB and a conductive PCB are arranged in the metal sleeve, the electric core and the conductive PCB are both electrically connected with the main PCB and are respectively arranged at two sides of the main PCB; the main PCB is provided with a charging and discharging management circuit and a charging interface; the conductive PCB board is provided with a positive conductor and a negative conductor; the positive pole sharp cap is exposed out of the metal sleeve and is communicated with the positive pole conductor, and the negative pole conductor is communicated with the metal sleeve. The utility model discloses a rechargeable battery is through setting up main PCB board and electrically conductive PCB board for its inside overall arrangement is succinct, and connects the convenience between each part, does not have complicated interconnecting link, and the fault rate is low.

Description

Rechargeable battery

Technical Field

The utility model relates to a battery technology field especially relates to a rechargeable battery.

Background

The battery is a common article in life, such as a remote controller, a toy car and the like, the battery is usually used, most of the existing batteries are disposable batteries, the electric quantity is used up and is thrown away, the cost is high when the battery is used for a long time, and the thrown away battery is easy to pollute the environment, so that the rechargeable battery appears, and due to the rechargeable characteristic, the rechargeable battery can be recharged and used after the electric quantity is used up, and the cost for using the battery can be greatly saved. The existing lithium battery charged through a charging port has unreasonable internal structure, so that an internal circuit is complex, the assembly is troublesome and the failure rate is high.

Disclosure of Invention

The purpose of the invention is as follows: in order to overcome the defects existing in the prior art, the utility model provides a rechargeable battery with simple internal structure and convenient assembly.

The technical scheme is as follows: in order to achieve the above object, the rechargeable battery of the present invention includes a metal sleeve as a battery cathode and a positive electrode tip cap as a battery anode, wherein an electrical core, a main PCB and a conductive PCB are mounted in the metal sleeve, the electrical core and the conductive PCB are both electrically connected to the main PCB and are respectively disposed on two sides of the main PCB;

the main PCB is provided with a charging and discharging management circuit and a charging interface;

the conductive PCB board is provided with a positive conductor and a negative conductor; the positive pole sharp cap is exposed out of the metal sleeve and is communicated with the positive pole conductor, and the negative pole conductor is communicated with the metal sleeve.

Furthermore, the battery cell is an electrolytic capacitor, and two tabs of the electrolytic capacitor are electrically connected with the main PCB.

Furthermore, the metal sleeve is also provided with a support which enables the battery cell, the main PCB and the conductive PCB to be relatively determined at the axial position of the metal sleeve.

Furthermore, the bracket is composed of a first half shell and a second half shell, and a battery cell cavity and a positioning ring groove which are respectively used for placing the battery cell and the main PCB are arranged in the bracket; the conductive PCB board is installed at one end of the bracket.

Further, the support includes separating the first support between electrically conductive PCB board and the main PCB board to separate the second support between main PCB board and the electricity core.

Furthermore, a gasket is fixed at one end of the battery cell, which is far away from the main PCB, and the gasket is arranged between the battery cell and the metal sleeve.

Further, the negative conductor is a copper ring arranged around the positive tip cap; and the negative conductor is communicated with the metal sleeve through the metal ring.

Furthermore, one end of the metal sleeve is closed, the other end of the metal sleeve is provided with a flanging part, and the flanging part is in contact with the metal ring.

Furthermore, a charging indicator lamp in an exposed state is connected to the main PCB.

Furthermore, one end of the metal sleeve, which is close to the positive sharp cap, is pasted with a face pad, and the outer side of the metal sleeve is wrapped with an outer film.

Has the advantages that: the utility model discloses a rechargeable battery is through setting up main PCB board and electrically conductive PCB board for its inside overall arrangement is succinct, and connects the convenience between each part, does not have complicated interconnecting link, and the fault rate is low.

Drawings

FIG. 1 is a schematic view of a rechargeable battery;

fig. 2 is an exploded view of a rechargeable battery of the first embodiment;

fig. 3 is an internal structural view of a rechargeable battery of the first embodiment;

FIG. 4 is an exploded view of a rechargeable battery according to a second embodiment;

fig. 5 is an internal structural view of a rechargeable battery of a second embodiment;

fig. 6 is a rear view of the rechargeable battery.

In the figure: 1-a metal sleeve; 11-flanging part; 2-electric core; 3-a main PCB board; 31-a charging interface; 32-a charge indicator light; 4-a conductive PCB board; 41-positive electrode conductor; 42-negative conductor; 43-anti-rotation groove; 5-a first half-shell; 6-a second half-shell; 7-a first scaffold; 8-a second scaffold; 9-a gasket; 10-face cushion; 20-outer membrane; 30-positive pole tip cap; 40-metal ring.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

The rechargeable battery shown in fig. 1 and 2 comprises a metal sleeve 1 as a battery cathode and a positive electrode sharp cap 30 as a battery anode, wherein a battery cell 2, a main PCB 3 and a conductive PCB 4 are installed in the metal sleeve 1, the battery cell 2 and the conductive PCB 4 are both electrically connected to the main PCB 3, and are respectively disposed on two sides of the main PCB 3; the main PCB 3 is provided with a charging and discharging management circuit and a charging interface 31; the conductive PCB 4 is provided with a positive electrode conductor 41 and a negative electrode conductor 42; the positive electrode conductor 41 is exposed outside the metal sleeve 1 and is electrically connected to the positive electrode conductor 41 (the two can be welded and fixed together), and the negative electrode conductor 42 is electrically connected to the metal sleeve 1.

Above-mentioned structure is through setting up main PCB board 3 independent of electrically conductive PCB board 4 to make electrically conductive PCB board 4 be connected with main PCB board 3, compare the mode of the positive output and the output negative pole of battery through the wire connection directly among the prior art, the technical scheme of the utility model among, through setting up metal covering 1 as the negative pole of battery, and set up negative pole conductor 42 and the positive pole conductor 41 that switches on with metal covering 1 and anodal sharp cap 30 respectively on electrically conductive PCB board 4, make as the anodal sharp cap 30 of output and as the metal covering 1 and the main PCB board 3 of output negative pole be connected stably, can not like the easy solderless that appears of the mode of directly connecting through the wire among the prior art, bad contact's situation.

In this embodiment, the negative conductor 42 is a copper ring disposed around the positive conductor 41; and the negative electrode conductor 42 is conducted with the metal sleeve 1 through the metal ring 40. One end of the metal sleeve 1 is closed, the other end of the metal sleeve is provided with a flanging part 11, and the flanging part 11 is in contact with the metal ring 40. The inner edge of the metal ring 40 is welded with the copper ring, and the outer edge of the metal ring 40 is welded with the metal sleeve 1.

Here, the metal sleeve 1 is a steel integrally formed structure, and both ends thereof are formed by processing sealing processes such as spinning, etc., in the actual battery production, the closed end of the metal sleeve 1 is sealed first, then the related components are installed in the metal sleeve 1, and finally the other end thereof is processed by using the sealing process to form an annular flanging part 11, the flanging part 11 not only plays a role of preventing the internal components of the metal sleeve 1 from being separated, but also plays a role of contacting with the metal ring 40 to guide electric energy to the whole metal sleeve 1, and in the actual situation, in the use of the battery, a user seals the positive and negative poles of an external circuit to be connected with the positive pole conductor 41 and the closed end of the metal sleeve 1. The metal sleeve 1 is made of steel, so that the metal sleeve is good in conductivity and wear-resistant. The ferrule 40 is also made of steel. In addition, the closed end of the metal sleeve 1 is not necessarily completely closed, and a small hole can be reserved to facilitate the exhaust when other components are installed in the metal sleeve 1, so that the assembly is convenient.

In addition, the metal sleeve 1 is close to the face pad 10 is pasted to the one end of positive conductor 41, just the outside parcel of metal sleeve 1 has adventitia 20, so conveniently carries out the decoration design to the battery, and makes metal sleeve 1 only its closed end expose, prevents that the side of metal sleeve 1 from leading to the fact unnecessary trouble with other objects switch on.

Preferably, the battery cell 2 is an electrolytic capacitor, and two tabs of the electrolytic capacitor are electrically connected with the main PCB 3. Two utmost point ears of electrolytic capacitor lie in its same one side, and two utmost point ears are directly connected with main PCB board 3 through modes such as wire, and the circuit is succinct, generally adopts the lithium cell as electric core among the prior art, need design complicated shell fragment structure to make main PCB board 3 be connected with the positive negative pole of lithium cell, consequently, adopt electrolytic capacitor as electric core 2 can make inside simple structure, the cost reduction of battery.

Preferably, in order to keep the axial positions of the battery cell 2, the main PCB 3 and the conductive PCB 4 relatively determined, a bracket for positioning is further installed in the metal sleeve 1.

In a first embodiment, as shown in fig. 2 and 3, the bracket is composed of a first half shell 5 and a second half shell 6, and a core cavity and a positioning ring groove for respectively accommodating the core 2 and the main PCB 3 are provided in the bracket; the conductive PCB board 4 is installed at one end of the bracket. The side of electrically conductive PCB board 4 is equipped with two anti-rotating groove 43, is formed with the embedding portion that imbeds two anti-rotating groove 43 on first half shell 5 and the second half shell 6 respectively, can prevent so that electrically conductive PCB board 4 from rotating for metal covering 1.

In a second embodiment, as shown in fig. 4 and 5, the bracket includes a first bracket 7 spaced between the conductive PCB 4 and the main PCB 3, and a second bracket 8 spaced between the main PCB 3 and the battery cell 2. The side of electrically conductive PCB board 4 is equipped with two anti-rotating groove 43, is formed with two bellying that imbed two anti-rotating groove 43 respectively on the first support 7, so can prevent electrically conductive PCB board 4 and rotate for metal covering 1. The gasket 9 is fixed at one end of the battery cell 2, which is far away from the main PCB 3, the gasket 9 is arranged between the battery cell 2 and the metal sleeve 1, and the gasket 9 has a buffering effect, so that the positive electrode conductor 41 can be prevented from being pressed to push components in the metal sleeve 1 to extrude the battery cell 2, and the damage to the battery cell 2 can be avoided.

Preferably, as shown in fig. 6, a charge indicator lamp 32 is further connected to the main PCB 3 in an exposed state. The color of the charge indicator light 32 can be controlled to indicate different states of the battery, such as when the charge indicator light 32 is red when the battery is not fully charged and when the battery is fully charged, the charge indicator light 32 is green.

The utility model discloses a rechargeable battery is through setting up main PCB board and electrically conductive PCB board for its inside overall arrangement is succinct, and connects the convenience between each part, does not have complicated interconnecting link, and the fault rate is low.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A rechargeable battery is characterized by comprising a metal sleeve as a battery cathode and a positive pole sharp cap as a battery anode, wherein a battery core, a main PCB and a conductive PCB are arranged in the metal sleeve, the battery core and the conductive PCB are electrically connected with the main PCB and are respectively arranged on two sides of the main PCB;

2. The rechargeable battery according to claim 1, wherein the battery cell is an electrolytic capacitor, and both tabs of the electrolytic capacitor are electrically connected to the main PCB.

3. The rechargeable battery according to claim 1, further comprising a support in the metal sleeve for relatively determining the axial positions of the battery cell, the main PCB and the conductive PCB.

4. The rechargeable battery according to claim 3, wherein the holder is composed of a first half shell and a second half shell, and a core cavity and a positioning ring groove are provided in the holder for receiving the core and the main PCB respectively; the conductive PCB board is installed at one end of the bracket.

5. The rechargeable battery according to claim 3, wherein the support comprises a first support spaced between the conductive PCB and the main PCB, and a second support spaced between the main PCB and the battery cell.

6. The rechargeable battery according to claim 5, wherein a gasket is fixed to an end of the battery cell away from the main PCB, and the gasket is disposed between the battery cell and the metal sleeve.

7. The rechargeable battery according to claim 1, wherein the negative conductor is a copper ring disposed around the positive tip cap; and the negative conductor is communicated with the metal sleeve through the metal ring.

8. The rechargeable battery according to claim 7, wherein the metal case has one end closed and the other end provided with a flange portion, and the flange portion is in contact with the metal ring.

9. The rechargeable battery according to claim 1, wherein a charge indicator is further connected to the main PCB in an exposed state.

10. The rechargeable battery according to claim 1, wherein a surface pad is attached to one end of the metal sheath close to the positive sharp cap, and an outer film is wrapped around the outer side of the metal sheath.