CN212258440U

CN212258440U - Lithium battery charger

Info

Publication number: CN212258440U
Application number: CN201821445677.6U
Authority: CN
Inventors: 张盛军; 陈宣颖
Original assignee: Hangzhou Tonny Electric & Tools Co ltd
Current assignee: Hangzhou Tonny Electric & Tools Co ltd
Priority date: 2018-09-05
Filing date: 2018-09-05
Publication date: 2020-12-29
Anticipated expiration: 2028-09-05

Abstract

The utility model discloses a lithium battery charger, including input line, epitheca, inferior valve and output line, the epitheca left end is arranged in to the input line, and the epitheca right-hand member is arranged in to the output line, input line right-hand member and output line left end all are equipped with the ply-yarn drill, and the ply-yarn drill is fixed with the winding of input line and output line outside respectively, be equipped with preceding stage fin, PCB board and back level fin between epitheca and the inferior valve, PCB board lower part is arranged in to preceding stage fin and back level fin, and back level fin left side is arranged in to the preceding stage fin, and preceding stage fin and back level fin pass through bayonet lock and pinhole cooperation with the PCB board to be connected, the PCB board is inlayed through first self tapping screw and epitheca. This lithium battery charger, this charger adopt LED to show the charged state, and whole IC control charging current, the product is according to the charged charge capacity of difference, and charging current is switched in automatic operation, effectual activation capacity battery not enough, convenient to use, safety.

Description

Lithium battery charger

Technical Field

The utility model relates to a charger equipment technical field specifically is lithium battery charger.

Background

Lithium battery chargers are chargers that are used exclusively to charge lithium ion batteries. The lithium ion battery has higher requirement on the charger and needs a protection circuit, so the lithium ion battery charger generally has higher control precision and can charge the lithium ion battery at constant current and constant voltage. The traditional lithium battery charger cannot intelligently monitor the capacity of the battery when in use, the waterproof sealing performance of the traditional charger is lower, and the traditional charger is inconvenient to fix when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium battery charger to solve current technical defect and the technical requirement that can not reach.

In order to achieve the above object, the utility model provides a following technical scheme: lithium battery charger, including input line, epitheca, inferior valve and output line, the epitheca left end is arranged in to the input line, and the epitheca right-hand member is arranged in to the output line, input line right-hand member and output line left end all are equipped with the ply-yarn drill, and the ply-yarn drill is fixed with the winding of input line and output line outside respectively, be equipped with preceding stage fin, PCB board and back level fin between epitheca and the inferior valve, PCB board lower part is arranged in to preceding stage fin and back level fin, and back level fin left side is arranged in to the preceding stage fin, and preceding stage fin and back level fin are connected through bayonet lock and pinhole cooperation with the PCB board, the PCB board is inlayed through first self tapping screw and epitheca inside and is dismantled and be connected, the inferior valve bottom is.

As a preferred embodiment of the present invention, the upper portion of the upper casing is provided with a surface patch, and the surface patch is fixed to the surface of the upper casing.

As a preferred embodiment of the utility model, inferior valve upper portion is equipped with sealed the pad, and sealed pad and the cooperation of inferior valve upper guide pillar are connected, and sealed pad both sides contact with epitheca and inferior valve respectively.

As a preferred embodiment of the present invention, the inner wires of the input lines and the output lines pass through the upper case to be connected to the PCB.

As a preferred embodiment of the utility model, the inside O type circle that is equipped with of ply-yarn drill, the epitheca both ends are equipped with the connecting seat, and the ply-yarn drill passes through O type circle and is connected with epitheca outside connecting seat.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the charger adopts the LED to display the charging state, the charging current is monitored by the IC in the whole process, the charging current is automatically operated and switched according to different charged charging capacities of the product, and the battery with insufficient capacity is effectively activated, so that the use is convenient and safe.

2. With the general popularization and use of lithium ion batteries, a DC12V4A lithium battery charger is correspondingly designed, and a shell of the product is made of a flame-retardant high-molecular modified plastic material with a waterproof grade of IP 65.

3. The power output adopts the ready-package fish clip, and binding post, fish clip can nimble switching output demand.

Drawings

Fig. 1 is the explosion structure diagram of the lithium battery charger of the present invention.

In the figure: the self-tapping type PCB comprises an input line-1, a line clamp-2, an O-shaped ring-3, a front-stage radiating fin-4, a PCB-5, an upper shell-6, a surface paste-7, a sealing gasket-8, a rear-stage radiating fin-9, a lower shell-10, an output line-11, a first self-tapping screw-12 and a second self-tapping screw-13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: a lithium battery charger comprises an input line 1, an upper shell 6, a lower shell 10 and an output line 11, wherein the input line 1 is arranged at the left end of the upper shell 6, the output line 11 is arranged at the right end of the upper shell 6, the right end of the input line 1 and the left end of the output line 11 are both provided with a line card 2, the line card 2 is respectively wound and fixed with the outer sides of the input line 1 and the output line 11, a front-stage radiating fin 4, a PCB 5 and a rear-stage radiating fin 9 are arranged between the upper shell 6 and the lower shell 10, the front-stage radiating fin 4 and the rear-stage radiating fin 9 are arranged at the lower part of the PCB 5, the front-stage radiating fin 4 is arranged at the left side of the rear-stage radiating fin 9, the front-stage radiating fin 4 and the rear-stage radiating fin 9 are connected with the PCB 5 in a matching way through a pin and a pin hole, the PCB 5 is embedded and detachably connected with the inside of the upper shell 6 through a first self-tapping screw 12, the bottom of inferior valve 10 is equipped with second self tapping screw 13, and second self tapping screw 13 passes inferior valve 10 and is connected with epitheca 6.

Referring to fig. 1, a surface sticker 7 is disposed on the upper portion of the upper housing 6, and the surface sticker 7 is adhered and fixed to the surface of the upper housing 6.

Referring to fig. 1, a sealing gasket 8 is disposed on the upper portion of the lower casing 10, the sealing gasket 8 is connected to the upper guide post of the lower casing 10 in a matching manner, and two sides of the sealing gasket 8 are respectively in contact with the upper casing 6 and the lower casing 10.

Referring to fig. 1, the internal wires of the input line 1 and the output line 11 are connected with the PCB board 5 through the upper case 6.

Referring to fig. 1, an O-ring 3 is disposed inside the wire clip 2, connecting seats are disposed at two ends of the upper housing 6, and the wire clip 2 is connected to the connecting seats on the outer side of the upper housing 6 through the O-ring 3.

The utility model discloses an input line 1, ply-yarn drill 2, O type circle 3, preceding stage fin 4, PCB board 5, epitheca 6, face subsides 7, sealed pad 8, back level fin 9, inferior valve 10, output line 11, first self tapping screw 12, second self tapping screw 13, above-mentioned parts are the parts that general standard spare or technical personnel in the field know, and its structure and principle all are this technical personnel all can learn through the technical manual or learn through conventional experimental approach, the utility model provides a problem be not what has the PCB board in the epitheca, the utility model discloses a mutually make up of above-mentioned parts, can effectual demonstration by the electric quantity of the battery that charges to waterproof level is higher, is convenient for putting when charging.

The working principle is as follows: be connected input line 1 with external power supply, make the inside 5 circular telegrams of PCB board of its upper shell 6 and then step down the power, make output voltage keep under the safe voltage that the battery bore, be connected output line 11 with treating rechargeable battery, thereby charge the battery, PCB board 5 produces a large amount of heats at the during operation, preceding stage fin 4 and back level fin 9 use of mutually supporting and then dispel the heat to PCB board 5, guarantee the stability of PCB board 5 work.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Lithium battery charger, its characterized in that: including input line (1), epitheca (6), inferior valve (10) and output line (11), upper casing (6) left end is arranged in input line (1), and upper casing (6) right-hand member is arranged in output line (11), input line (1) right-hand member and output line (11) left end all are equipped with ply-yarn drill (2), and ply-yarn drill (2) are fixed with input line (1) and output line (11) outside winding respectively, be equipped with preceding stage fin (4), PCB board (5) and back level fin (9) between epitheca (6) and inferior valve (10), PCB board (5) lower part is arranged in to preceding stage fin (4) and back level fin (9), and back level fin (9) left side is arranged in to preceding stage fin (4), and back level fin (9) are connected through bayonet lock and pinhole cooperation with PCB board (5), PCB board (5) can dismantle through self tapping screw (12) and epitheca (6) inside and inlay and be connected, the bottom of the lower shell (10) is provided with a second self-tapping screw (13), and the second self-tapping screw (13) penetrates through the lower shell (10) to be connected with the upper shell (6).

2. A lithium battery charger as claimed in claim 1, characterized in that: the upper part of the upper shell (6) is provided with a surface paste (7), and the surface paste (7) is fixed with the surface of the upper shell (6).

3. A lithium battery charger as claimed in claim 1, characterized in that: and a sealing gasket (8) is arranged on the upper part of the lower shell (10), the sealing gasket (8) is matched and connected with the upper guide post of the lower shell (10), and two sides of the sealing gasket (8) are respectively contacted with the upper shell (6) and the lower shell (10).

4. A lithium battery charger as claimed in claim 1, characterized in that: and the inner wires of the input wire (1) and the output wire (11) penetrate through the upper shell (6) to be connected with the PCB (5).

5. A lithium battery charger as claimed in claim 1, characterized in that: the wire clip (2) is internally provided with an O-shaped ring (3), the two ends of the upper shell (6) are provided with connecting seats, and the wire clip (2) is connected with the connecting seat on the outer side of the upper shell (6) through the O-shaped ring (3).