CN214254580U

CN214254580U - Treasured that charges can be dismantled to multilayer battery

Info

Publication number: CN214254580U
Application number: CN202120511340.6U
Authority: CN
Inventors: 覃雅配
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-09-21
Anticipated expiration: 2031-03-11

Abstract

A multi-layer detachable battery charger bank relates to the technical field of battery chargers banks and comprises a shell with a containing cavity and an end cover detachably connected with the shell, wherein a multi-layer detachable lithium battery pack is arranged in the containing cavity; each lithium battery pack is formed by arranging a plurality of 18650 lithium batteries in parallel; one end of the accommodating cavity is also provided with a PCB (printed Circuit Board), two conducting plates which are distributed at intervals are also arranged in the accommodating cavity, and each conducting plate is fixed with the PCB; flange contacts corresponding to the positive electrode of the lithium battery are distributed on one current-conducting plate in an array mode, and spring contacts corresponding to the negative electrode of the lithium battery are distributed on the other current-conducting plate in an array mode; by adopting the multilayer battery structure design, the endurance time of the charger can be effectively ensured, and the requirement of a user on electric quantity is fully met; simultaneously through the cooperation that utilizes flange contact and spring contact and lithium cell, compare in traditional mode that needs utilize the electric welding to form the lithium cell group, this scheme can effectual reduction process, improves equipment machining efficiency.

Description

Treasured that charges can be dismantled to multilayer battery

Technical Field

The utility model relates to precious technical field that charges specifically is a precious that charges can be dismantled to multilayer battery.

Background

Most of the existing charge pal is designed in an integrated mode, the battery pack is manufactured in a mode that the battery pack is welded on each lithium battery through a spot welding machine by using a connecting sheet so as to form the battery pack, but at present, a user finds that the operation is complex in process, and if one lithium battery bulges, the whole battery pack needs to be replaced; therefore, the mode of forming the battery pack by welding not only influences the processing efficiency, but also influences the use experience of a user.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model provides a new technical scheme can not only remove welded process step in the course of working through this technical scheme, can also the rational utilization space to hold more batteries.

The utility model provides a technical scheme as follows:

a multi-layer detachable charger for battery is composed of a casing with a cavity and an end cover connected to said casing,

the accommodating cavity is internally provided with a plurality of layers of detachable lithium battery packs; each lithium battery pack is formed by arranging a plurality of lithium batteries in parallel;

a PCB is further arranged at one end of the accommodating cavity, an output port and an input port are formed in the side edge of the shell corresponding to the PCB, and the output port are respectively electrically connected with the PCB;

two conducting plates which are distributed at intervals are also arranged in the accommodating cavity, and each conducting plate is fixed with the PCB; a flange contact corresponding to the positive electrode of the lithium battery is distributed on one current-conducting plate in an array mode, and a spring contact corresponding to the negative electrode of the lithium battery is distributed on the other current-conducting plate in an array mode; the lithium battery is connected with the PCB in a conduction mode through the two current-conducting plates.

Furthermore, a plurality of support columns are arranged in the accommodating cavity, and a threaded hole is formed in the upper end surface of each support column; the PCB board passes through the support column with shell fixed connection.

Furthermore, a plurality of lock posts with threaded holes are installed on the inner side of the opening of the shell, each lock post is provided with a threaded hole, and the end cover is detachably fixed with the shell through the lock posts.

Furthermore, a sealing groove is formed in the end face of the opening of the shell, and a flange matched with the sealing groove in an inserting mode is arranged on the edge of the end cover.

Furthermore, the end surface of the end cover facing the accommodating cavity is provided with protrusions which are arranged at intervals and are in a straight structure, an arc-shaped limiting opening is formed between every two adjacent protrusions, and the arc-shaped limiting openings are matched with the appearance of the lithium battery; the arc-shaped limiting openings correspond to the lithium batteries one to limit the lithium batteries.

The beneficial effect that adopts this technical scheme to reach does:

the structure of the charger is designed to be detachable, so that the lithium battery on each layer can be replaced according to the actual use state; the charger adopts a multilayer battery structure design, so that the endurance time of the charger can be effectively ensured, and the requirement of a user on electric quantity is fully met; simultaneously through the cooperation that utilizes flange contact and spring contact and lithium cell, compare in traditional mode that needs utilize the electric welding to form the lithium cell group, this scheme can effectual reduction process, improves equipment machining efficiency.

Drawings

Fig. 1 is a three-dimensional structure diagram of the power bank.

Fig. 2 is an exploded view of the charger baby.

Fig. 3 is a perspective view of the housing.

Fig. 4 is a structural diagram after mounting the PCB board and the conductive board in the housing.

Fig. 5 is a perspective view of the end cap showing the arcuate restraint opening formed by the projection.

Fig. 6 is a cross-sectional view a-a of fig. 1 showing the fit between the end cap and the housing.

Wherein: 10 outer shell, 11 output port, 12 input port, 13 lock columns, 14 seal grooves, 15 support columns, 20 end covers, 21 flanges, 22 bulges, 30 lithium battery packs, 31 conductive plates, 32 flange contacts, 33 spring contacts and 40PCB boards.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a treasured that charges can be dismantled to multilayer battery, utilizes this precious structure that charges can improve the convenience that the user used, is favorable to improving the efficiency of equipment assembly simultaneously.

Specifically, referring to fig. 1-2, the charger baby includes a housing 10 with a receiving cavity, and an end cap 20 detachably connected to the housing 10, wherein a multi-layered and detachable lithium battery pack 30 is installed in the receiving cavity; meanwhile, a PCB 40 is further disposed at one end of the accommodating cavity, an output port 11 and an input port 12 are disposed on the side of the housing 10 corresponding to the PCB 40, wherein the output port 11 and the input port 12 are electrically connected to the PCB 40, and the lithium battery pack 30 is electrically connected to the PCB 40.

In a specific use, the input port 12 is mainly used for charging the lithium battery pack 30, so that the lithium battery pack 30 realizes an electric power storage function; output port 11 mainly used lithium cell group 30 output of electric quantity, can carry out the charging to consumer through inserting the charging wire on output port 11.

In this embodiment, at least two output ports 11 are provided, and each output port 11 corresponds to a voltage with different output power, so as to satisfy different charging devices at present; the kind of input port 12 also sets up two kinds simultaneously, for example can have Micro USB interface, Lighting interface or Type-C interface etc. through the input port 12 who sets up multiple different grade Type for the treasured that charges can satisfy the charging wire of mainstream on the existing market, in order to improve the convenience of charging the use.

In this embodiment, referring to fig. 2 and 4, each lithium battery pack 30 is formed by arranging a plurality of 18650 series lithium batteries in parallel, and two conducting plates 31 are further disposed in the accommodating cavity at intervals, and each conducting plate 31 is fixed to the PCB 40; a flange contact 32 corresponding to the positive electrode of the lithium battery is distributed on one current-conducting plate 31 in an array manner, and a spring contact 33 corresponding to the negative electrode of the lithium battery is distributed on the other current-conducting plate 31 in an array manner; the lithium battery is conductively connected with the PCB board 40 through the two conductive plates 31.

It can be understood that each 18650 lithium battery corresponds to one flange contact 32 and one spring contact 33, so that each lithium battery is in conductive connection with the PCB 40 through the conductive plate 31; through setting up like this, can be so that every lithium cell all is independent, compare in traditional mode of passing through the connecting block welding formation group battery with the lithium cell, this scheme convenience more adopts the structure of this scheme, can reduce welded process in process of production, can also carry out solitary change to the lithium cell simultaneously.

In this embodiment, the designed lithium battery pack 30 has two layers, and eight lithium batteries are arranged on each layer, so that a plurality of lithium batteries can be accommodated, and the experience of a user in the use process is ensured; of course, the lithium battery pack 30 may be designed with three layers, four layers, etc. in the design of a specific structure.

The structure of the charger is designed to be detachable, so that the lithium battery on each layer can be replaced according to the actual use state; due to the structural design of the multilayer battery, the endurance time of the charger can be effectively ensured, and the requirement of a user on electric quantity is fully met; through the cooperation of utilizing flange contact 32 and spring contact 33 and lithium cell, compare in traditional mode that needs utilize the electric welding to form lithium cell group, this scheme can effectual reduction process, improves equipment machining efficiency.

In this embodiment, referring to fig. 3, a plurality of support columns 15 are disposed in the accommodating cavity, and a threaded hole is formed in an upper end surface of each support column 15; the PCB board 40 is fixedly connected to the housing 10 through the support posts 15.

It should be noted that the support posts 15 are made of insulating materials, and the support posts 15 with insulating properties can not only effectively support the PCB 40, but also prevent the interference of the outside to the PCB 40.

In this embodiment, a plurality of lock posts 13 with threaded holes are installed on the opening inner side of the housing 10, each lock post 13 is provided with a threaded hole, and the end cover 20 is detachably fixed to the housing 10 through the lock posts 13.

Through setting up the lock post 13, pass end cover 20 with the bolt and realize fixed with locking of lock post 13, be favorable to guaranteeing the stability that end cover 20 is connected with shell 10.

In this embodiment, referring to fig. 1 and 6, a sealing groove 14 is formed in an end surface of the opening of the housing 10, and a rib 21 that is inserted into and matched with the sealing groove 14 is formed at an edge of the end cover 20.

When the end cover 20 is assembled with the housing 10, the fastening performance and the sealing performance of the installation of the end cover 20 and the housing 10 can be further ensured through the plugging fit of the flange 21 and the sealing groove 14 while the locking column 13 is used for locking.

Optionally, referring to fig. 5, the end surface of the end cover 20 facing the accommodating cavity is provided with protrusions 22 arranged at intervals in a straight structure, an arc-shaped limiting opening is formed between every two adjacent protrusions 22, and the arc-shaped limiting opening is matched with the shape of the lithium battery; the arc-shaped limiting openings correspond to the lithium batteries one by one to limit the lithium batteries.

It can be understood that, be provided with the spacing mouth of eight arcs that correspond with the lithium cell on end cover 20's face, with end cover 20 and shell 10 locking connection back, the spacing mouth of every arc corresponds a lithium cell to guarantee the stability of lithium cell in shell 10, avoid appearing the lithium cell dislocation and influence the precious condition appearance that uses of charging.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A multi-layer detachable charger for batteries comprises a shell (10) with a containing cavity and an end cover (20) detachably connected with the shell (10),

a multi-layer and detachable lithium battery pack (30) is arranged in the accommodating cavity; each lithium battery pack (30) is formed by arranging a plurality of lithium batteries in parallel;

a PCB (40) is further arranged at one end of the accommodating cavity, an output port (11) and an input port (12) are formed in the side edge, corresponding to the PCB (40), of the shell (10), and the output port (11) are respectively and electrically connected with the PCB (40);

the accommodating cavity is also internally provided with two conducting plates (31) which are distributed at intervals, and each conducting plate (31) is fixed with the PCB (40); a flange contact (32) corresponding to the positive electrode of the lithium battery is distributed on one of the current-conducting plates (31) in an array manner, and a spring contact (33) corresponding to the negative electrode of the lithium battery is distributed on the other current-conducting plate (31) in an array manner; the lithium battery is connected with the PCB (40) in a conduction mode through the two conducting plates (31).

2. The detachable multi-layer battery charger baby according to claim 1, wherein a plurality of support columns (15) are arranged in the accommodating cavity, and a threaded hole is formed in the upper end surface of each support column (15); the PCB (40) is fixedly connected with the shell (10) through the supporting column (15).

3. The detachable multi-layer battery charger baby according to claim 1, characterized in that a plurality of lock posts (13) with threaded holes are installed inside the opening of the housing (10), each lock post (13) is provided with a threaded hole, and the end cap (20) is detachably fixed to the housing (10) through the lock posts (13).

4. The detachable charger baby of claim 3, characterized in that the end face of the opening of the housing (10) is provided with a sealing groove (14), and the edge of the end cap (20) is provided with a rib (21) which is in plug-in fit with the sealing groove (14).

5. The detachable charger baby of multilayer batteries according to claim 1 or 4, characterized in that the end surface of the end cover (20) facing the containing cavity is provided with protrusions (22) arranged at intervals in a straight structure, an arc-shaped limiting opening is formed between every two adjacent protrusions (22), and the arc-shaped limiting opening is matched with the shape of the lithium battery; the arc-shaped limiting openings correspond to the lithium batteries one to limit the lithium batteries.