WO2022116151A1

WO2022116151A1 - Portable charging box

Info

Publication number: WO2022116151A1
Application number: PCT/CN2020/133899
Authority: WO
Inventors: 骆耀; 陈娟
Original assignee: 深圳市易德能科技有限公司
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2022-06-09

Abstract

Disclosed in the present invention is a charging box for a button cell, comprising: a bottom housing, a charging base, and a protective cover. The charging base is connected to the bottom housing; a cell and a motherboard electrically connected to the cell are disposed between the charging base and the bottom housing; at least one charging slot for positioning a button cell is provided on the outer side of the charging base; a positive electrode contact portion and a negative electrode contact portion for charging the button cell are provided on walls of the charging slot; the positive electrode contact portion and the negative electrode contact portion are electrically connected to the motherboard; the protective cover is pivotally connected to one side of the bottom housing; and the charging slot is located in a cavity formed after the protective cover covers the bottom housing. The button cell can be charged, and the button cell can also be accommodated in the charging box; a fully charged button cell is always ensured when a button cell needs to be replaced, and the replaced cell can also be placed in the charging slot again and charged. The present invention is convenient for both charging and carrying, and thus, the technical problem in the prior art that button cells are inconvenient to charge and not easy to carry is solved.

Description

A portable charging case

technical field

The present invention relates to a portable charging box.

Background technique

Many existing small electronic appliances, such as hearing aids, electronic cigarettes, fish float batteries, thermometers, etc. are generally powered by non-rechargeable batteries, and these appliances need to be used frequently. For these appliances, batteries are consumables; , the user is easy to discard it at will after use, causing environmental pollution, so people have invented a rechargeable battery; in the prior art, the battery is relatively troublesome to charge, and it is not easy to carry. The present invention is researched and proposed for the deficiencies of the prior art.

technical problem

The technical problem solved by the present invention is that the existing battery is troublesome to charge, and the rechargeable battery is not easy to carry.

technical solutions

A portable charging box of the present invention includes: a bottom case, a charging base and a protective cover, the charging base is connected to the bottom case, and a power supply battery is arranged between the charging base and the bottom case and is connected with the power supply The mainboard to which the battery is electrically connected, the outer side of the charging base is provided with at least one charging slot for positioning the battery, the slot wall of the charging slot is provided with a positive contact part and a negative contact part for charging the battery, the positive electrode The contact portion and the negative electrode contact portion are electrically connected to the main board, the protective cover is pivotally connected to one side of the bottom case, and the charging slot is located in the cavity formed after the bottom case and the protective cover are closed.

In the above-mentioned portable charging box, each of the charging slots includes two positioning surfaces A for positioning the two end faces of the battery, and a positioning surface B for positioning the side surfaces of the battery. The positioning surfaces B between the two positioning surfaces A.

In the above-mentioned portable charging box, the positioning surface A is semicircular.

In the above-mentioned portable charging box, the bottom of the positioning surface B is provided with an escape hole A for the contact part of the positive electrode to extend, and one of the positioning surfaces A is provided with an escape hole B for the contact part of the negative electrode to extend.

In the above-mentioned portable charging box, the positive contact part includes a fixed part A, an elastic part A, a charging part A and a disengagement prevention part A which are connected in sequence, and the fixed part A is connected to the charging base, so the The elastic part A is in the shape of "S", the charging part A is located in the charging slot and is provided with an arc surface that matches the side of the battery, the anti-detachment part A is in the shape of "L", and the charging part A is in the shape of an "L". The front end of the detachment prevention part A is located outside the charging slot.

In the above-mentioned portable charging box, the negative contact part comprises a fixed part B, an elastic part B, a charging part B and a disengagement prevention part B which are connected in sequence, and the fixed part B is connected to the charging base, so The charging part B is located in the charging slot and is provided with a "V"-shaped charging contact surface, and the anti-dropping part B is located outside the charging slot.

In the above-mentioned portable charging box, the main board is provided with a charging indicator light corresponding to each charging slot one-to-one.

In the above-mentioned portable charging box, the main board is connected with function keys.

In the above-mentioned portable charging box, the inner side of the protective cover is provided with a positioning groove opposite to the charging groove.

In the above-mentioned portable charging box, the bottom of the bottom case is provided with a charging interface for charging the power supply battery, and the charging interface is electrically connected with the main board.

In the above-mentioned portable charging box, the side of the charging base is provided with a plurality of buckles, and the bottom case is provided with buckle grooves matched with the buckles.

A portable charging box as mentioned above, the charging slot is a cylindrical slot with the same shape as the battery, the negative electrode contact part is in a spring shape or a needle shape, and the negative electrode contact part penetrates the bottom surface of the cylindrical slot and can be connected with the battery. The negative electrode contacts, and the positive electrode contact part penetrates the side surface of the cylindrical groove and can be in contact with the positive electrode of the battery.

beneficial effect

1. The charging box for the battery of the present invention, by setting a charging slot on the charging base, and charging the battery through the positive contact part and the negative contact part connected to the main board, so as to achieve the purpose of charging the battery, which can not only charge the battery For charging, the battery can also be stored in the charging box. When the battery needs to be replaced, the battery can always be fully charged. At the same time, the replaced battery can be put back into the charging slot for charging; it is convenient for charging and easy to carry. It overcomes the technical problems that the battery is troublesome to charge and difficult to carry in the prior art.

Description of drawings

1 is a schematic structural diagram of Embodiment 1 of the present invention;

2 is an exploded schematic view of Embodiment 1 of the present invention;

Figure 3 is an enlarged view of part A marked in Figure 2;

4 is a schematic perspective cross-sectional view of Embodiment 1 of the present invention;

5 is a schematic diagram of the positional relationship between the charging base, the positive electrode contact portion, the negative electrode contact portion, and the main board in Embodiment 1 of the present invention;

6 is a schematic diagram of a full cross-section of Embodiment 1 of the present invention;

7 is an exploded schematic view of Embodiment 2 of the present invention;

FIG. 8 is a schematic diagram of a full cross-section of Embodiment 2 of the present invention.

BEST MODE FOR CARRYING OUT THE INVENTION

Example 1:

As shown in FIGS. 1 to 6 , a portable charging box in this embodiment includes: a bottom case 1 , a charging base 2 and a protective cover 3 , the charging base 2 is connected to the bottom case 1 , and the charging A power supply battery 4 and a main board 5 electrically connected to the power supply battery 4 are arranged between the base 2 and the bottom case 1, and at least one charging slot 201 for positioning the battery 1000 is provided on the outside of the charging base 2. The groove wall of the groove 201 is provided with a positive electrode contact portion 6 and a negative electrode contact portion 7 for charging the battery 1000. The positive electrode contact portion 6 and the negative electrode contact portion 7 are electrically connected to the main board 5, and the protective cover 3 is pivotally connected to the main board 5. On one side of the bottom case 1 , the charging slot 201 is located in the cavity formed after the bottom case 1 and the protective cover 3 are closed. The charging box for the battery of the present invention is provided with a charging slot on the charging base, and the battery is charged through the positive contact portion and the negative contact portion connected to the main board, so as to achieve the purpose of charging the battery, which can not only charge the battery At the same time, the battery can be stored in the charging box. When the battery needs to be replaced, the battery can always be fully charged. At the same time, the replaced battery can be put back into the charging slot for charging; In the prior art, the battery is troublesome to charge and difficult to carry.

In this embodiment, in order to facilitate the handling of the battery, each of the charging slots 201 includes two positioning surfaces A2011 for positioning the two end faces of the battery 1000 and two positioning surfaces B2012 for positioning the side surfaces of the battery 1000 . The positioning surface B2012 is located between the two positioning surfaces A2011.

In this embodiment, the positioning surface A2011 is semicircular, that is, the cross section of the charging slot is semicircular; in addition, in order to prevent the battery from loosening in the charging slot, a charging slot 201 is provided on the inner side of the protective cover 3 The opposite positioning slot 301; after the protective cover is closed, the battery is located between the charging slot 201 and the positioning slot 301, and the cross-section of the positioning slot is semicircular.

In this embodiment, the bottom of the positioning surface B2012 is provided with an escape hole A20120 for the positive contact portion 6 to extend, and one of the positioning surfaces A2011 is provided with an escape hole B20110 for the negative contact portion 7 to extend.

In this embodiment, the positive electrode contact portion 6 includes a fixed portion A61, an elastic portion A62, a charging portion A63, and a disengagement prevention portion A64 that are connected in sequence. The fixed portion A61 is connected to the charging base 2, and the elastic portion A62 is in the shape of a "S" shape, the charging part A63 is located in the charging slot 201 and is provided with an arc surface 631 that matches the side surface of the battery 1000; The front end of the A64 is located outside the charging slot 201 . The positive electrode contact portion 6 adopts the above-mentioned structure, and has the advantages of good electrical contact and long service life.

In this embodiment, the negative electrode contact portion 7 includes a fixed portion B71, an elastic portion B72, a charging portion B73, and a disengagement prevention portion B74 that are connected in sequence. The fixed portion B71 is connected to the charging base 2, and the charging portion B73 is located at A “V”-shaped charging contact surface 731 is arranged in the charging slot 201 , and the anti-falling portion B74 is located outside the charging slot 201 . The negative electrode contact portion 7 adopts the above structure, and has the advantages of good electrical contact and long service life.

In order to know the charging state of the battery, the mainboard 5 is provided with a charging indicator light 51 corresponding to each charging slot 201 one-to-one; the mainboard 5 is connected with a function key 52 .

The bottom of the bottom case 1 is provided with a charging interface 53 for charging the power supply battery 4 , and the charging interface 53 is electrically connected to the main board 5 . The charging interface 53 may adopt any one of a type-c interface, a Micro USB interface, a USB Type C interface, and a Lightning interface.

In order to facilitate the installation of the charging base on the bottom case, a plurality of buckles 11 are provided on the side of the charging base 2 , and the bottom case 1 is provided with buckle grooves 12 matched with the buckles 11 .

Example 2:

Figures 1 to 6 are the solutions of Embodiment 1. As shown in Figures 7 and 8, this embodiment differs from Embodiment 1 in two points: (1) The shape of the charging slot is different. The charging slot 201 is a cylindrical slot with the same shape as the battery 1000; (2) the shapes of the positive electrode contact part and the negative electrode contact part are different, the negative electrode contact part 7 is spring-shaped, and the negative electrode contact part 7 penetrates the bottom surface of the cylindrical groove and can be connected to the battery. The negative electrode of the battery 1000 is in contact, and the positive electrode contact portion 6 penetrates the side surface of the cylindrical groove and can be in contact with the positive electrode of the battery 1000 .

In addition, the negative electrode contact portion 7 may also be in the shape of a needle, such as a conductive thimble, which will not be described here.

The above only uses examples to further illustrate the technical content of the present invention, so that readers can understand it more easily, but it does not mean that the embodiments of the present invention are limited to this, and any technical extension or re-creation made according to the present invention is subject to the protection of. The protection scope of the present invention is subject to the claims.

Claims

A portable charging box, characterized in that it comprises: a bottom case (1), a charging stand (2) and a protective cover (3), the charging stand (2) is connected to the bottom case (1), and the charging stand (2) is connected to the bottom case (1). A power supply battery (4) and a main board (5) electrically connected to the power supply battery (4) are arranged between the charging stand (2) and the bottom case (1), and at least one A charging slot (201) for positioning the battery (1000), the wall of the charging slot (201) is provided with a positive contact (6) and a negative contact (7) for charging the battery (1000), so The positive contact portion (6) and the negative contact portion (7) are electrically connected to the main board (5), the protective cover (3) is pivotally connected to one side of the bottom case (1), and the charging slot (201) It is located in the cavity formed after the bottom case (1) and the protective cover (3) are closed.
A portable charging case according to claim 1, characterized in that each of the charging slots (201) includes two positioning surfaces A (2011) for positioning the two end faces of the battery (1000), for Position the positioning surface B ( 2012 ) on the side of the battery ( 1000 ), and the positioning surface B ( 2012 ) is located between the two positioning surfaces A ( 2011 ).
A portable charging case according to claim 2, characterized in that the positioning surface A (2011) is semicircular.
A portable charging box according to claim 2, characterized in that the bottom of the positioning surface B (2012) is provided with an escape hole A (20120) for the positive contact portion (6) to protrude, and one of the positioning surfaces A (2011) is provided with an escape hole B (20110) for the negative electrode contact part (7) to extend.
A portable charging box according to claim 4, characterized in that the positive contact part (6) comprises a fixed part A (61), an elastic part A (62), a charging part A (63) and The anti-falling part A (64), the fixing part A (61) is connected to the charging stand (2), the elastic part A (62) is "S" shaped, the charging part A (63) It is located in the charging slot (201) and is provided with an arc-shaped surface (631) that matches the side surface of the battery (1000). The front end of 64) is located outside the charging slot (201).
A portable charging box according to claim 4, characterized in that the negative electrode contact part (7) comprises a fixed part B (71), an elastic part B (72), a charging part B (73) and a fixed part B (71), an elastic part B (72), a charging part B (73) and The anti-falling part B (74), the fixing part B (71) is connected to the charging base (2), the charging part B (73) is located in the charging slot (201) and is provided with a "V" shape The charging contact surface (731), the anti-falling part B (74) is located outside the charging slot (201).
A portable charging box according to claim 1, characterized in that the main board (5) is provided with a charging indicator light (51) corresponding to each charging slot (201) one-to-one; 5) A function key (52) is connected.
The portable charging box according to claim 1, characterized in that a positioning groove (301) opposite to the charging groove (201) is provided on the inner side of the protective cover (3).
A portable charging box according to claim 1, characterized in that a plurality of buckles (11) are arranged on the side of the charging base (2), and the bottom case (1) is provided with buckles (11). 11) The matching buckle groove (12).
A portable charging box according to claim 1, characterized in that the charging slot (201) is a cylindrical slot with the same shape as the battery (1000), and the negative contact portion (7) is in the shape of a spring or a pin The negative electrode contact portion (7) penetrates the bottom surface of the cylindrical groove and can be in contact with the negative electrode of the battery (1000), and the positive electrode contact portion (6) penetrates the side surface of the cylindrical groove and can be in contact with the positive electrode of the battery (1000). .