CN212257614U

CN212257614U - Portable rechargeable battery

Info

Publication number: CN212257614U
Application number: CN202020830271.0U
Authority: CN
Inventors: 黄卫剑; 蔡小娟
Original assignee: Shenzhen Highpower Technology Co Ltd
Current assignee: Shenzhen Highpower Technology Co Ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-29
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses a portable rechargeable battery, including electric core body, USB charging module, battery case. The USB charging module comprises a positive connecting piece, a charging control panel, a negative connecting piece, a positive cover cap and a USB charging module shell. The USB charging module shell comprises a first shell, a second shell and an upper cover, the first shell is detachably connected with the second shell, an opening corresponding to the USB interface is formed in the first shell or the second shell, a semicircular clamping groove is formed in one end portion of the first shell and one end portion of the second shell respectively, the two semicircular clamping grooves form a circular groove used for clamping the anode cap, and the upper cover is configured to be fixed to one end portion of the first shell and one end portion of the second shell. Through improving the structure of USB module of charging, the installation of being convenient for, and reduction in production cost.

Description

Portable rechargeable battery

Technical Field

The utility model belongs to the technical field of the battery technique and specifically relates to a portable rechargeable battery is related to.

Background

The battery is one of the most common commodities in daily life, particularly a fifth battery and a seventh battery, the battery has wider application, and toys, doorbells, remote controllers, wireless mice and the like can not be separated from the battery. However, the waste batteries are harmful to the living environment of human beings, and various harmful substances contained in the batteries pose great threats to the natural environment and the human living. In order to reduce the harm caused by the waste batteries, people recommend to use the rechargeable batteries at present, but the rechargeable batteries also have the defects of the rechargeable batteries, and all the rechargeable batteries need to be provided with special chargers, so that the charging is inconvenient, and the overall price of the batteries is higher. The related art proposes various rechargeable batteries with USB interfaces, and such rechargeable batteries include a battery unit and a charging module, but the charging module has a complex structure and many parts, which increases the production cost and is inconvenient to assemble.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a portable rechargeable battery, simple structure easily assembles.

According to the utility model discloses portable rechargeable battery, including electric core body, USB charging module, battery case.

The USB charging module comprises a positive connecting piece, a charging control panel, a negative connecting piece, a positive cap and a USB charging module shell, wherein the positive connecting piece is connected with the positive pole of the battery cell body, the charging control panel is connected with the positive connecting piece, the charging control panel is provided with a USB interface, one end of the negative connecting piece is connected with the negative pole of the battery cell body, the other end of the negative connecting piece is connected with the charging control panel, the positive cap is connected with the charging control panel and the positive connecting piece, the USB charging module shell comprises a first shell, a second shell and an upper cover, the first shell is detachably connected with the second shell, the first shell or the second shell is provided with an opening corresponding to the USB interface on the charging control panel, and the inner sides of one end parts of the first shell and the second shell are respectively provided with a semicircular clamping groove, the two semicircular clamping grooves form a circular groove for clamping the positive electrode cap, and the upper cover is configured to fix one end portions of the first shell and the second shell. The battery core body and the USB charging module are located inside the battery shell.

According to the utility model discloses portable rechargeable battery has following beneficial effect at least: can pass through the USB adapter during charging, connect the USB interface on computer USB interface commonly used and the rechargeable battery, directly to electric core body charges, need not purchase dedicated charger and charge, reduces use cost, conveniently carries when going out. The USB charging module shell of connection can be dismantled through the design, the USB charging module of being convenient for assemble. The USB module shell that charges further fixes inside charging control panel, prevents to produce the displacement because of rocking in the use, guarantees the reliability of internal circuit connection, does benefit to voltage and lasts stable output. The structure has simple design, can reduce the manufacturing cost and is convenient for the integral assembly of the battery.

According to some embodiments of the utility model, first casing with a tip outside of second casing sets up the boss, and the upper cover can cup joint in boss department, and is fixed first casing with the second casing. The cup joint of upper cover can make the combination of first casing and second casing inseparabler to consolidate the anodal nut cap and charge the positive pole of control panel and be connected between, stabilize the anodal nut cap of battery in the use, prolong the life of battery.

According to some embodiments of the utility model, the charge control panel includes charge control chip, charged state pilot lamp, overload protection circuit. The charging control chip controls the charging state indicating lamp, and the charging control chip reflects whether charging or charging is finished through a display signal of the charging state indicating lamp, so as to remind a user of using the charging control chip in time. The overload protection circuit prevents the overcurrent of the circuit of the battery cell body in the charging and discharging process, and can prolong the service life of the battery cell by limiting the discharging voltage of the battery cell body.

According to the utility model discloses a some embodiments, the electricity core body with the USB module of charging passes through bonding mode and connects.

Through bonding material, fixed electric core body and USB module of charging improve the holistic steadiness of battery, increase of service life.

According to some embodiments of the utility model, first casing with connect through locating pin, locating hole mode, and/or joint mode between the second casing. Make things convenient for the USB module shell that charges to assemble through locating pin, locating hole, through first casing of joint fastening and second casing, it is more firm to combine.

According to the utility model discloses a few embodiments, battery case is the plastics material, reduces rechargeable battery's cost, alleviates rechargeable battery's weight, conveniently carries.

According to the utility model discloses a some embodiments, electric core body is nickel-hydrogen electricity core, and nickel-hydrogen electricity core has energy density height, but rapid charging and discharging, and the low temperature performance is good, and resistant excessive charge-discharge ability is strong and do not have advantages such as memory effect.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

Fig. 1 is a schematic diagram of an internal structure of a portable rechargeable battery according to an embodiment of the present invention;

fig. 2 is a schematic diagram of a portable rechargeable battery case according to an embodiment of the present invention;

description of reference numerals:

a first shell 111, a second shell 112, an upper cover 113, a charging control board 120, a USB interface 121,

A positive electrode connector 130, a negative electrode connector 140, a positive electrode cap 150, a positive electrode mask 160,

Cell body 200, battery case 300, battery case lamp hole 310.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1, according to the embodiment of the present invention, the portable rechargeable battery includes a battery cell body 200, a battery case 300, and a USB charging module, wherein the USB charging module includes a positive electrode connecting member 130, a charging control board 120, a negative electrode connecting member 140, and a positive electrode cap 150. The positive electrode connecting member 130 is connected to the positive electrode of the battery cell body 200, and the positive electrode cap 150 is fitted over the projection at the upper end of the charge control board 120 and connected to the positive electrode connecting member 130. The positive electrode connecting member 130 is a spring in this embodiment, and the spring can tightly connect the positive electrode of the battery cell body 200 with the positive electrode cap 150 all the time due to its own elasticity, so that the problem of poor contact is not easily caused. In other embodiments, other conductive connecting parts such as conductive metal wires and metal sheets can be used. One end of the negative electrode connector 140 is connected to the negative electrode of the battery cell body 200, and the other end is connected to the charging control board. The negative electrode connecting member 140 is a conductive sheet in this embodiment, and is configured to increase the negative electrode contact area with the battery cell body 200, and reduce the loss during the current transmission process, and the sheet connection manner can also increase the stability of the connection between the USB charging module and the battery cell body 200, so as to offset a part of the torsion generated by the rotation of the USB charging module along the central axis of the battery, thereby increasing the stability of the overall structure of the battery. In other embodiments, other conductive connecting parts such as conductive wires can be used. The USB of this embodiment charges the module shell and is the detachable formula, sets up to the equipment that can make things convenient for USB to charge the module of detachable formula, convenient to detach maintenance when USB charges the module and goes wrong. In other embodiments, the structure may be an integral structure.

The USB charging module housing of this embodiment includes a first housing 111, a second housing 112, and an upper cover 113, where the first housing 111 is detachably connected to the second housing 112, the first housing 111 or the second housing 112 is provided with an opening corresponding to the USB interface 121 on the charging control board, and the inner sides of one end portions of the first housing 111 and the second housing 112 are respectively provided with a semicircular clamping groove, the two semicircular clamping grooves form a circular groove for clamping the positive electrode cap 150, and the upper cover 113 is configured to fix one end portions of the first housing 111 and the second housing 112. The semicircular clamping groove can fix the positive electrode cap 150 by using a mechanical structure, so that the phenomenon of poor contact between the positive electrode cap 150 and the charging control plate 120 due to battery shaking is not easy to occur. The battery cell body 200 and the USB charging module are located inside the battery case 300. In this embodiment, the battery cell body 200 is located at a position where the battery case 300 is close to the negative electrode, that is, the negative electrode of the battery cell body 200 is the negative electrode of the whole battery, and after the positive electrode of the battery cell body 200 needs to be connected to the positive electrode of the USB charging module, the positive electrode of the whole battery is composed of the positive electrode cap 150. The battery case 300 is used to combine the battery cell body 200 and the USB charging module into a whole, so that a complete battery is formed.

Further, in this embodiment, a boss is disposed at an outer side of one end of the first casing 111 and the second casing 112, and the upper cover 113 can be directly sleeved on the boss to fix the first casing 111 and the second casing 112. This embodiment sets up to the mode that can directly cup joint, makes USB charging module shell structure simpler, and convenient equipment can reduce manufacturing cost. In other embodiments, the upper cover may be internally threaded, and the first housing and the second housing may be externally threaded and fixed by screwing. Also can set up the fixed column bottom the upper cover, set up the locating hole on first casing and second casing, fix through going on of fixed column and locating hole.

Further, the charging control board 120 includes a charging control chip, a charging status indicator lamp, and an overload protection circuit (not shown). The charging control chip controls the charging status indicator light, which in this embodiment is two LED lights with different ratios of light emitting wavelengths, and the two LED lights are displayed and fed back to the user through two light holes (not shown) on the second housing and a light hole 310 (refer to fig. 2) on the battery case. It is also possible to display only the charging process or only the state of completion of charging for only one lamp hole. Through setting up two charge state pilot lamps, whether can the visual reflection battery normally charges in the charging process, remind the user in time to use after the completion of charging. The overload protection circuit prevents the overcurrent of the circuit of the battery cell body in the charging and discharging process, and prolongs the service life of the battery cell by limiting the discharging voltage of the battery cell body.

Further, electric core body 200 is connected through the bonding material with the USB module of charging, through the bonding material, consolidates electric core body 200 and the USB module of charging, improves the holistic steadiness of battery, increase of service life. In other embodiments, the fastening can also take place directly via the battery housing.

Further, the first housing 111 and the second housing 112 are connected by a positioning pin, a positioning hole, and/or a snap-fit connection. In this embodiment, four positioning pins are disposed at four corners of the second casing 112, four positioning holes are disposed at four corresponding corners of the first casing, and a sheet-shaped plug is disposed on a side of the second casing 112 to fixedly connect the first casing 111. Through the built-up connection mode of this embodiment, make things convenient for the equipment of USB charging module shell to guarantee the fastening nature of connecting between two casings. In other embodiments, only one of the positioning holes and the positioning pins can be used, or only the clamping and buckling modes can be used.

Furthermore, the battery shell of this embodiment is the plastics material, is plastic paper, can reduce rechargeable battery's cost, alleviates rechargeable battery's weight, conveniently carries. In other embodiments, the material may be a metal material or other materials.

Further, the cell body 200 may be a nickel-hydrogen cell, a nickel-cadmium cell, a lithium ion cell, or the like. Compared with a nickel-cadmium cell, the nickel-hydrogen cell has the advantages of high energy density, excellent low-temperature performance, no memory effect and the like, does not contain cadmium metal, and cannot cause environmental pollution. The nickel-hydrogen cell is cheaper than the lithium ion cell, and does not need to be controlled by a voltage reduction circuit, so that the manufacturing cost is further reduced. The USB interface in this embodiment is Micro USB, for the most commonly used Type of the interface that charges of present cell-phone, conveniently utilizes the cell-phone charging wire to charge rechargeable battery, also can be the Type of USB interfaces such as Type-C interface. And one USB interface can be divided into a plurality of USB interfaces through the USB deconcentrator, and a plurality of rechargeable batteries can be charged through one USB interface.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A portable rechargeable battery, comprising:

the battery cell comprises a battery cell body and a battery cell body, wherein the battery cell body comprises a positive electrode and a negative electrode;

the USB charging module comprises a positive connecting piece, a charging control panel, a negative connecting piece, a positive cap and a USB charging module shell, wherein the positive connecting piece is connected with the positive pole of the battery cell body, the charging control panel is connected with the positive connecting piece, the charging control panel is provided with a USB interface, one end of the negative connecting piece is connected with the negative pole of the battery cell body, the other end of the negative connecting piece is connected with the charging control panel, the positive cap is connected with the charging control panel and the positive connecting piece, the USB charging module shell comprises a first shell, a second shell and an upper cover, the first shell is detachably connected with the second shell, the first shell or the second shell is provided with an opening corresponding to the USB interface on the charging control panel, and the inner sides of one end parts of the first shell and the second shell are respectively provided with a semicircular clamping groove, the two semicircular clamping grooves form a circular groove for clamping the positive electrode cover cap, and the upper cover is configured to fix one end parts of the first shell and the second shell;

the battery shell, electric core body with the USB module of charging is located inside the battery shell.

2. The portable rechargeable battery according to claim 1, wherein: and a boss is arranged on the outer side of one end part of the first shell and the second shell, and the upper cover is sleeved at the boss to fix the first shell and the second shell.

3. The portable rechargeable battery according to claim 1, wherein: the charging control panel comprises a charging control chip, a charging state indicator light and an overload protection circuit, and the charging control panel controls the charging state indicator light and the overload protection circuit through the charging control chip.

4. The portable rechargeable battery of claim 1, wherein the battery cell body is connected to the USB charging module by bonding.

5. The portable rechargeable battery according to claim 1, wherein the first casing and the second casing are connected by means of positioning pins, positioning holes and/or clamping.

6. The portable rechargeable battery of claim 1, wherein the battery housing is made of plastic.

7. The portable rechargeable battery according to any one of claims 1 to 6, wherein: the battery cell body is a nickel-hydrogen battery cell.