CN217035748U

CN217035748U - 9V rechargeable battery

Info

Publication number: CN217035748U
Application number: CN202220893842.4U
Authority: CN
Inventors: 余劲平
Original assignee: Dongguan Zhongtianhe New Energy Technology Co ltd
Current assignee: Dongguan Zhongtianhe New Energy Technology Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-22
Anticipated expiration: 2032-04-18

Abstract

The utility model discloses a 9V rechargeable battery, which comprises an aluminum shell, two capacitive battery cells arranged in the aluminum shell and a plastic upper cover covering an opening of the aluminum shell, wherein the two capacitive battery cells are arranged in the aluminum shell; the upper end surfaces of the two capacitance type battery cores are provided with a conduction circuit board, conductive holes for inserting the positive electrode lugs and the negative electrode lugs of the capacitance type battery cores are arranged on the conduction circuit board, and a connecting circuit is arranged between the two groups of conductive holes; switch on the circuit board top and be provided with circuit protection board, the lower surface of circuit protection board crouches establishes interface and the boost circuit that charges, and the anodal ear and the negative pole ear of one of them capacitanc electric core are worn out and are inserted in the circuit protection board from switching on the circuit board. The 9V rechargeable battery has the advantages that 9V voltage can be stably output, the capacity of the battery cell is ensured, and the cruising ability of the 9V battery is optimized.

Description

9V rechargeable battery

Technical Field

The utility model relates to the technical field of secondary batteries, in particular to a 9V rechargeable battery.

Background

The 9V battery mainly supplies power for all kinds of instrument measuring instruments, and 9V battery generally adopts the laminate polymer battery to establish ties on the market, and the voltage of output is unstable, and the mouth that charges sets up in the battery bottom, occupies the inside space of battery, influences the capacity of battery, leads to 9V battery's duration poor.

Accordingly, the prior art is deficient and needs improvement.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a 9V rechargeable battery, which is used for improving the stability and the endurance of the 9V battery.

The technical scheme of the utility model is as follows:

A9V rechargeable battery comprises an aluminum shell, two capacitance type battery cores arranged in the aluminum shell and a plastic upper cover covering an opening of the aluminum shell; the upper end surfaces of the two capacitance type battery cells are provided with a conduction circuit board, conductive holes for inserting the positive electrode lugs and the negative electrode lugs of the capacitance type battery cells are arranged on the conduction circuit board, and a connecting circuit is arranged between the two groups of conductive holes; switch on the circuit board top and be provided with the circuit protection board, the interface and the boost circuit of charging are crouched to establish to the lower surface of circuit protection board, and the anodal ear and the negative pole ear of one of them capacitanc electric core follow switch on the circuit board and wear out and insert in the circuit protection board.

Optionally, the two capacitive battery cells are both 3.7V battery cells.

Optionally, the charging interface is a Type-C interface of the user.

Optionally, an insulating rubber sheet is arranged between the charging interface and the conducting circuit board.

Optionally, the opening lateral wall of aluminium system casing is provided with a plurality of catching grooves, the plastic upper cover all around edge be provided with the back-off that the catching groove corresponds, the plastic upper cover passes through the block fit lock of back-off and catching groove is in on the aluminium system casing.

The utility model has the beneficial effects that:

(1) two 3.7V capacitance type electric cores are connected in parallel, and a booster circuit is arranged for boosting, so that stable 9V output can be realized;

(2) the upper end surfaces of the two capacitance type electric cores are provided with the conduction circuit board, the conduction circuit board is provided with the conductive holes for the lugs of the capacitance type electric cores to pass through, and the conduction circuit board is provided with the connecting circuits for connecting the conductive holes; compared with the parallel connection through wire welding, the parallel connection by adopting the conducting circuit board is more convenient and saves more space, and is beneficial to increasing the capacity of the capacitance type battery cell;

(3) through establishing the back at circuit protection board with the interface crouches that charges, can save space more, provide bigger accommodation space for capacitanc electricity core.

(4) Adopt aluminium system casing, compare in plastic housing, can effectively improve the anti ability of falling of resistance to compression of battery for the battery can adapt to adverse circumstances.

Drawings

Fig. 1 is an exploded view of a 9V battery according to the present invention.

Fig. 2 is a schematic cross-sectional view of a 9V battery according to the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments.

As shown in fig. 1-2, the present invention provides a 9V rechargeable battery, which includes an aluminum casing 10, two 3.7V capacitive cells 20, a circuit protection board 30, a plastic cover 40, a conductive circuit board 50 and an insulating film 60.

The aluminum shell 10 is square, the two capacitive battery cells 20 are inserted into the cavity of the aluminum shell 10 in parallel, and the positive electrode tab and the negative electrode tab of the two capacitive battery cells 20 are led out from the same end. The conduction circuit board 50 is fastened to the upper end surfaces of the two capacitive battery cells 20, conductive holes corresponding to the tabs of the capacitive battery cells 20 are formed in the conductive circuit board, and the two conductive holes corresponding to the positive tabs and the two conductive holes corresponding to the negative tabs are communicated through a connecting circuit on the conduction circuit board 50, so that the tabs of the two capacitive battery cells 20 are inserted into the corresponding conductive holes to form parallel connection.

The circuit protection board 30 is located the top that switches on circuit board 50, and its lower surface crouches and is equipped with Type-C interface 31 that charges, should charge interface 31 welding on circuit protection board 30, bonds on switching on circuit board 50 through insulating film 60 for circuit protection board 30 can be fixed in the aluminium system casing along with conducting circuit board. The circuit protection board 30 is provided with a voltage boost circuit, the voltage boost circuit is provided with two conductive jacks, wherein the positive electrode tab and the negative electrode tab of one capacitive battery cell 20 penetrate out of the conducting circuit board 50 and are inserted into the two conductive jacks of the circuit protection board 30, so as to form an electrical connection with the voltage boost circuit on the circuit protection board 30. Therefore, when the battery is discharged, the voltage can be boosted by the booster circuit so as to stably output 9V voltage to the outside.

The upper surface of the circuit protection plate 30 is convexly provided with a positive contact 32 and a negative contact 33, the plastic upper cover 40 is provided with a positive cap 41 and a negative cap 42 corresponding to the positive contact 32 and the negative contact 33, when the plastic upper cover 40 is covered on the aluminum shell, the positive contact 32 and the positive cap 41 are in contact electrical connection, and the negative contact 33 and the negative cap 42 are in contact electrical connection.

In this embodiment, four fastening grooves 11 are formed on the side wall of the opening of the aluminum housing 10, and the plastic upper cover 40 is provided with reverse buckles corresponding to the fastening grooves 11 at the peripheral edges, so that the plastic upper cover 40 can be locked on the aluminum housing by the four reverse buckles and the four fastening grooves 11, thereby ensuring effective contact between the positive and negative electrode caps 42 and the positive and negative contact points.

Additionally, in other embodiments, the positive and negative caps 42 and the positive and negative contacts may be connected by welding wires.

Compared with the prior art, the utility model has the beneficial effects that:

(1) by connecting two 3.7V capacitance type battery cells 20 in parallel and arranging a booster circuit for boosting, stable 9V output can be realized;

(2) when the two capacitors are assembled, the two capacitor cells 20 can be conveniently connected in parallel by directly buckling the conducting circuit board 50 on the two capacitor cells 20; compared with the parallel connection by wire welding, the parallel connection by the conducting circuit board 50 is more convenient and saves more space, which is beneficial to increasing the capacity of the capacitance type battery cell 20;

(3) by arranging the charging interface 31 horizontally on the back of the circuit protection board 30, more space can be saved, and a larger accommodating space is provided for the capacitive battery cell 20.

(4) Adopt aluminium system casing 10, compare in plastic housing, can effectively improve the anti ability of falling of resistance to compression of battery for the battery can adapt to adverse circumstances.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalents and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A9V rechargeable battery is characterized by comprising an aluminum shell, two capacitance type battery cores arranged in the aluminum shell and a plastic upper cover covering an opening of the aluminum shell; the upper end surfaces of the two capacitance type battery cells are provided with a conduction circuit board, conductive holes for inserting the positive electrode lugs and the negative electrode lugs of the capacitance type battery cells are arranged on the conduction circuit board, and a connecting circuit is arranged between the two groups of conductive holes; switch on the circuit board top and be provided with the circuit protection board, the interface and the boost circuit of charging are crouched to establish to the lower surface of circuit protection board, and the anodal ear and the negative pole ear of one of them capacitanc electric core follow switch on the circuit board and wear out and insert in the circuit protection board.

2. The 9V rechargeable battery according to claim 1, wherein both of the capacitive cells are 3.7V cells.

3. The 9V rechargeable battery of claim 1 wherein the charging interface is his Type-C interface.

4. The 9V rechargeable battery according to claim 3, wherein an insulating film is disposed between the charging interface and the conductive circuit board.

5. The 9V rechargeable battery as claimed in claim 1, wherein the aluminum case has a plurality of fastening grooves on the side wall of the opening, the plastic upper cover has a back-off corresponding to the fastening grooves on the periphery, and the plastic upper cover is fastened to the aluminum case by the snap-fit of the back-off and the fastening grooves.