CN216354393U

CN216354393U - Structure of lithium battery dry-conversion battery connected through spring

Info

Publication number: CN216354393U
Application number: CN202120837862.5U
Authority: CN
Inventors: 钟伟国; 于和平
Original assignee: SHENZHEN HOTCHIP TECHNOLOGY CO LTD
Current assignee: SHENZHEN HOTCHIP TECHNOLOGY CO LTD
Priority date: 2020-07-17
Filing date: 2021-04-22
Publication date: 2022-04-19
Anticipated expiration: 2031-04-22

Abstract

The utility model discloses a structure of a lithium battery turning-dry battery connected through a spring, wherein a notch is arranged above the end surface of the side end of the lithium battery, the spring is connected above the notch and positioned on the end surface of the top end of the lithium battery, the end surface of the top end of the spring is connected with a PCB, the center position of the end surface of the top end of the PCB is connected with a dry battery anode, the left side of the end surface of the bottom end of the PCB is connected with a charging interface, the right side of the charging interface is provided with a circuit element, the right side of the circuit element is provided with a metal ring, and the end surface of the bottom end of the metal ring is connected with a stabilizing column. The whole structure is easy to assemble and maintain, the production cost is reduced, and the reliability is improved.

Description

Structure of lithium battery dry-conversion battery connected through spring

Technical Field

The utility model belongs to the technical field of battery correlation, and particularly relates to a structure of a lithium battery dry-conversion battery connected through a spring.

Background

In working life, many small-sized devices need to be powered by batteries, wherein most of the small-sized devices are detachable batteries, the batteries are multiple dry batteries, but the dry batteries cannot be recycled, so the small-sized devices are economical and have high environmental pollution, so some devices use rechargeable batteries such as nickel-hydrogen batteries and lithium batteries, but the nickel-hydrogen batteries have low energy density and low voltage, so the replacement effect is not optimal, while the lithium batteries have high energy density but too high output voltage and cannot be directly replaced, the solution proposed in patent No. 201710258930.0 only utilizes the dry batteries and a discharging USB interface, the problem of recycling charging is not solved, the use is laborious and the substantial problem cannot be solved.

The utility model provides a rechargeable battery structure, which converts the output voltage of a lithium battery into the required target voltage through a conversion circuit and then combines the output voltage and the target voltage through corresponding structures.

In the prior art, according to understanding, the positive and negative ends of a lithium battery are connected with a battery voltage conversion plate in a mode of welding wires in most of the prior art, and then one appearance size is close to the appearance of a battery to be replaced so as to accommodate the lithium battery, a related circuit board and other devices.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a structure of a lithium battery with spring connection to solve the above problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme:

the utility model provides a structure of lithium cell through spring coupling changes dry battery, includes lithium cell and breach, the side terminal surface top position department of lithium cell is provided with the breach, the top of breach is connected with the spring at the top terminal surface that is located the lithium cell, the top terminal surface of spring is connected with PCB, the top terminal surface central point department of putting of PCB is connected with the dry battery positive pole, PCB's bottom terminal surface left side is connected with the interface that charges, the right side of the interface that charges is provided with circuit element, circuit element's right side is provided with the becket, the bottom terminal surface of becket is connected with the stabilization post.

Preferably, the end face of the side end of the PCB is attached to the inner surface of the metal ring, and the PCB and the metal ring are matched.

Preferably, the PCB may move relative to the lithium battery, and the charging interface may be electrically connected to an external power source.

Preferably, the end face of the side end of the dry battery anode is subjected to obtuse angle processing, and the circuit element is welded on the right side of the end face of the bottom end of the PCB.

Preferably, the spring has elasticity scalable, the breach is provided with two and sets up for the phase-match symmetry.

Preferably, the bottom end face of the metal ring is distributed in a sheet shape, and the diameter of the top end face of the metal ring is larger than that of the top end face of the lithium battery.

Preferably, the front end terminal surface of becket is provided with fixed connection groove and sets up for laminating mutually with the surface of the interface that charges, the outside metal casing of lithium cell is the negative pole.

Compared with the prior art, the utility model provides a structure of a lithium battery dry-conversion battery connected through a spring, which has the following beneficial effects:

the utility model utilizes the characteristic of high energy density of the lithium battery, solves the defect of low energy density of the common rechargeable battery, simultaneously can provide very stable output voltage, and solves the defect of gradual voltage reduction in the discharge process of the common dry battery.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model without limiting the utility model in which:

fig. 1 is a schematic diagram of a cell structure of a lithium battery dry cell according to the present invention;

FIG. 2 is a schematic structural diagram of a lithium battery of the present invention;

FIG. 3 is a schematic diagram of a PCB circuit block structure according to the present invention;

in the figure: 1. a PCB; 2. a charging interface; 3. a dry battery positive electrode; 4. a spring; 5. a circuit element; 6. a notch; 7. a lithium battery; 8. a metal ring; 9. and (4) stabilizing the column.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution for a lithium battery dry-to-dry battery connected by a spring:

a structure of a lithium battery dry-conversion battery connected through a spring comprises a lithium battery 7 and a notch 6, the notch 6 is arranged above the end face of the side end of the lithium battery 7, the notch 6 is provided with two notches which are symmetrically arranged in a matched manner, the two notches 6 can be fixedly connected with a metal ring 8 to realize supporting and fixing, the top end face of the lithium battery 7 above the notch 6 is connected with a spring 4, the spring 4 has elastic expansion and contraction, the top end face of the spring 4 is connected with a PCB1, the end face of the PCB1 is in a fit arrangement with the inner surface of the metal ring 8, the PCB1 is in a matched arrangement with the metal ring 8, the metal ring 8 supports and is connected with a structure between the lithium battery 7 and the PCB1, the metal ring 8 plays a supporting and stabilizing role for the PCB1, the PCB1 can move relative to the lithium battery 7, the PCB1 is an overall control basic unit, the outer metal shell of the lithium battery 7 is a negative electrode, the external metal shell and the dry battery anode 3 are matched and arranged in an auxiliary mode, and power input and output can be achieved through the dry battery anode 3 and the external metal shell.

A structure of a lithium battery turning-dry battery connected through a spring comprises a dry battery anode 3 connected at the center position of the top end face of a PCB1, the side end faces of the dry battery anode 3 are processed by obtuse angles, the obtuse angle processing can avoid body damage to a user, a charging interface 2 is connected at the left side of the bottom end face of the PCB1, the charging interface 2 can be electrically connected with an external power supply, power input can be realized through electrical connection with the external power supply, a circuit element 5 is arranged at the right side of the charging interface 2, the circuit element 5 is welded at the right side of the bottom end face of the PCB1, power transmission is realized through electrical connection of the circuit element and the PCB, a metal ring 8 is arranged at the right side of the circuit element 5, a stabilizing column 9 is connected at the bottom end face of the metal ring 8, the stabilizing column 9 and the metal ring 8 are matched and attached, the bottom end face of the metal ring 8 is arranged in a sheet-shaped distribution manner, the metal ring 8 in the sheet-shaped distribution is integrally fixed at the top end face of a lithium battery 7, the top end face diameter of becket 8 is greater than the top end face diameter of lithium cell 7, becket 8 can cup joint the surface department at lithium cell 7, becket 8's front end terminal surface is provided with fixed connection groove and sets up for laminating mutually with the surface of interface 2 that charges, interface 2 that charges can cup joint the internal surface department at becket 8, becket 8 supports and connects the structure between lithium cell and the PCB1, becket 8 plays the support stabilizing action to PCB 1.

The working principle and the using process of the utility model are as follows: after the utility model is installed, the device is firstly placed at the position to be used, then the outer surface of the lithium battery 7 can be held for position holding, then the bottom end face of the metal ring 8 can be sleeved at the top end face of the lithium battery 7, then the bottom end face of the metal ring 8 is embedded into the inner side of the gap 6, then the PCB1 can be driven to move by the dry battery anode 3, then the charging interface 2 and the fixed connecting groove at the front end face of the metal ring 8 are in a mutually attached state, then the bottom end face of the PCB1 and the top end face of the lithium battery 7 are in a sealing state, and the metal ring 8 supports and connects the structure between the lithium battery 7 and the PCB1, then, when in use, the external power supply is electrically connected with the external metal shell of the lithium battery 7 and the dry battery anode 3 to realize power supply input, then, when in use, the internal power can be stored through the lithium battery 7, and then, when in need of output, the power supply output can be realized through the dry battery anode 3.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a structure of lithium cell through spring coupling changes dry battery, includes lithium cell (7) and breach (6), its characterized in that: the utility model discloses a lithium battery, including lithium cell (7), the top of lithium cell (7) is provided with breach (6) in the side terminal surface top position department, the top terminal surface that is located lithium cell (7) of breach (6) is connected with spring (4), the top terminal surface of spring (4) is connected with PCB (1), the top terminal surface central point department of putting of PCB (1) is connected with dry battery positive pole (3), the bottom terminal surface left side of PCB (1) is connected with interface (2) that charges, the right side of interface (2) that charges is provided with circuit element (5), the right side of circuit element (5) is provided with becket (8), the bottom terminal surface of becket (8) is connected with stabilization post (9).

2. The structure of the lithium battery dry cell battery connected by the spring according to claim 1, wherein: the side end face of the PCB (1) is attached to the inner surface of the metal ring (8), and the PCB (1) and the metal ring (8) are matched.

3. The structure of the lithium battery dry cell battery connected by the spring according to claim 1, wherein: the PCB (1) can move relative to the lithium battery (7), and the charging interface (2) can be electrically connected with an external power supply.

4. The structure of the lithium battery dry cell battery connected by the spring according to claim 1, wherein: the end face of the side end of the dry battery anode (3) is subjected to obtuse angle processing, and the circuit element (5) is welded on the right side of the end face of the bottom end of the PCB (1).

5. The structure of the lithium battery dry cell battery connected by the spring according to claim 1, wherein: the spring (4) is elastic and telescopic, and the two notches (6) are symmetrically arranged in a matched mode.

6. The structure of the lithium battery dry cell battery connected by the spring according to claim 1, wherein: the bottom end face of the metal ring (8) is distributed in a sheet shape, and the diameter of the top end face of the metal ring (8) is larger than that of the top end face of the lithium battery (7).

7. The structure of the lithium battery dry cell battery connected by the spring according to claim 1, wherein: the front end terminal surface of becket (8) is provided with fixed connection groove and sets up for laminating mutually with the surface of the interface that charges (2), the outside metal casing of lithium cell (7) is the negative pole.