CN212137318U

CN212137318U - Lithium ion battery charger convenient for heat dissipation

Info

Publication number: CN212137318U
Application number: CN202020864910.5U
Authority: CN
Inventors: 王拥军; 吴敏
Original assignee: Shenzhen Gurun Digital Power Supply Co ltd
Current assignee: Shenzhen Gurun Digital Power Supply Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2020-12-11
Anticipated expiration: 2030-05-21

Abstract

The utility model discloses a lithium ion battery charger convenient for heat dissipation, which comprises a shell and a power line, wherein one end of the power line is provided with a power plug, the other end of the power line is provided with a socket, the power line is electrically connected with a circuit board arranged in the shell, a refrigerating pipe is arranged in the circuit board, the refrigerating pipe is electrically connected with a refrigerator arranged in the circuit board, a controller electrically connected with the refrigerator is arranged in the circuit board, a temperature sensor is arranged in the circuit board, the temperature sensor is electrically connected with the controller, a plurality of leakage holes are arranged on both sides of the shell, a fan is arranged on one side of the shell close to the leakage holes, when the charger works for a long time to cause high temperature heating, the circuit board is cooled through the cooperation of the refrigerating pipe and the fan, the temperature of the circuit board is reduced, and the damage of the charger and the aging of the battery caused by the, threatens the safety of people.

Description

Lithium ion battery charger convenient for heat dissipation

Technical Field

The utility model relates to a lithium ion battery charger technical field specifically is a convenient radiating lithium ion battery charger.

Background

A lithium ion battery charger is a charger that is specifically used to charge a lithium ion battery. 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.

However, when the charger is used for charging the lithium ion battery, various inconveniences and even dangers may occur, when the lithium ion battery is overcharged, high-temperature heat of the charger may be caused to cause damage of the charger and aging of the battery, electricity utilization risks may occur for a long time, and safety of people is threatened.

In view of the above problems, a lithium ion battery charger that facilitates heat dissipation is now designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a convenient radiating lithium ion battery charger to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a convenient radiating lithium ion battery charger, includes casing and power cord, the one end of power cord is equipped with power plug, the other end of power cord is equipped with the socket, power cord and the circuit board electric connection of establishing in the casing, be equipped with the refrigeration pipe in the circuit board, refrigeration pipe and the refrigerator electric connection of establishing in the circuit board, be equipped with the controller with refrigerator electric connection in the circuit board, electric connection is equipped with temperature sensor in the circuit board, temperature sensor and controller electric connection, the both sides of casing all are equipped with a plurality of small openings, one side that is close to the small opening in the casing is equipped with the fan, be equipped with first shock attenuation subassembly and the second shock attenuation subassembly that prevents that the circuit board from receiving the collision damage in the casing.

As a further aspect of the present invention: first damper includes that the symmetry establishes the dead lever in casing circuit board top and below, all be equipped with two sliders on the dead lever, slider and dead lever sliding connection, the both ends of dead lever all are equipped with spring one, all be equipped with the mount pad on the slider, the equal symmetry in upper and lower both sides of circuit board is equipped with two mount pads down, go up the mount pad and all rotate through the connecting rod with lower mount pad and connect.

As a further aspect of the present invention: the second damping assembly comprises a plurality of fixing columns arranged on two sides of the circuit board, a plurality of sleeves corresponding to the fixing columns are arranged in the shell, the fixing columns are connected with the sleeves in a sliding mode, and springs are arranged on the fixing columns.

As a further aspect of the present invention: the refrigerating pipe is arranged in the circuit board in an S shape.

As a further aspect of the present invention: and each top corner of the shell is provided with a rubber corner protector.

As a further aspect of the present invention: the shell is provided with a plurality of baffle plates corresponding to the leakage holes, and the baffle plates form an angle of 45 degrees with the horizontal plane.

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

1. when the charger works for a long time to cause high-temperature heating, the circuit board is radiated by matching the refrigerating pipe and the fan, so that the temperature of the circuit board is reduced, and the damage of the charger and the aging of a battery caused by the high-temperature heating of the charger are prevented, and the safety of people is threatened;

2. when the shell body falls carelessly or is collided, the circuit board is connected with the upper mounting seat and the lower mounting seat through the connecting rod in a rotating mode to push the sliding blocks to slide towards two sides on the fixing rod, the shaking force is absorbed through the elastic action of the first spring, meanwhile, the circuit board drives the fixing columns to slide back and forth in the sleeves, and a part of shaking force is offset through the elastic action of the second spring, so that the circuit board can be prevented from being damaged due to vibration caused by collision, and the service life of the charger is prolonged;

3. the rubber angle bead is arranged at each top corner of the shell, so that the falling resistance of the shell can be enhanced, meanwhile, the shell can be kept away from the ground through the rubber angle bead, and the danger caused by the contact of the water shell and water on the ground when the charging is prevented.

Drawings

Fig. 1 is a schematic structural diagram of a lithium ion battery charger facilitating heat dissipation.

Fig. 2 is a schematic structural diagram of a top-down section of a lithium ion battery charger facilitating heat dissipation.

Fig. 3 is a schematic structural diagram of a first damping component in a lithium ion battery charger facilitating heat dissipation.

Wherein: 1. the refrigerator comprises a shell, 2, a power plug, 3, a power line, 4, a socket, 5, a circuit board, 6, a refrigerating pipe, 7, a refrigerator, 8, a controller, 9, a temperature sensor, 10, a leak hole, 11, a fan, 12, a baffle, 13, a fixing rod, 14, a sliding block, 15, a first spring, 16, an upper mounting seat, 17, a lower mounting seat, 18, a connecting rod, 19, a sleeve, 20, a fixing column, 21, a second spring, 22 and a rubber corner protector.

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. 1-3, in an embodiment of the present invention, a lithium ion battery charger convenient for heat dissipation includes a housing 1 and a power cord 3, wherein a power plug 2 is disposed at one end of the power cord 3, a socket 4 is disposed at the other end of the power cord 3, the power cord 3 is electrically connected to a circuit board 5 disposed in the housing 1, a cooling tube 6 is disposed in the circuit board 5, the cooling tube 6 is electrically connected to a cooling device 7 disposed in the circuit board 5, a controller 8 electrically connected to the cooling device 7 is disposed in the circuit board 5, a temperature sensor 9 is electrically connected to the circuit board 5, the temperature sensor 9 is electrically connected to the controller 8, when the charger works for a long time and generates heat due to high temperature, the temperature sensor 9 detects high temperature and sends a signal to the controller 8, and when the controller 8 receives the signal, the refrigerator 7 is controlled to enable the refrigeration pipe 6 to refrigerate and radiate the circuit board 5, so that the temperature of the circuit board 5 is reduced, and the damage of the charger and the aging of a battery caused by the high-temperature heating of the charger are prevented, and the safety of people is threatened;

the refrigerating pipe 6 is arranged in the circuit board 5 in an S shape, so that the contact area of the refrigerating pipe 6 and the circuit board 5 can be increased, and the cooling effect of the circuit board 5 is better;

the novel cooling device is characterized in that a plurality of leakage holes 10 are formed in two sides of the shell 1, the fan 11 is arranged on one side, close to the leakage holes 10, in the shell 1, when the fan 11 is started, outside air is sucked into the shell 1, cold air is made to contact with the circuit board 5, heat in the circuit board 5 is absorbed, heat dissipation of the circuit board 5 is achieved, meanwhile, the air absorbing heat is discharged through the leakage holes 10, accordingly, the air flow rate in the shell 1 is increased through continuous work of the fan 11, the circuit board 5 can be cooled, a plurality of baffle plates 12 corresponding to the leakage holes 10 are arranged on the shell 1, and the angle between each baffle plate 12 and the horizontal plane is 45 degrees, so that large particle substances can be prevented from entering the shell 1 through the leakage holes 10 carelessly and damaging elements in the shell 1;

the anti-collision circuit board is characterized in that a first damping component and a second damping component are arranged in the shell 1 and used for preventing the circuit board 5 from being damaged by collision, the first damping component comprises a fixed rod 13 which is symmetrically arranged above and below the circuit board 5 in the shell 1, two sliding blocks 14 are arranged on the fixed rod 13, the sliding blocks 14 are in sliding connection with the fixed rod 13, springs I15 are arranged at two ends of the fixed rod 13, an upper mounting seat 16 is arranged on each sliding block 14, two lower mounting seats 17 are symmetrically arranged at the upper side and the lower side of the circuit board 5, the upper mounting seat 16 and the lower mounting seat 17 are rotatably connected through a connecting rod 18, so that when the shell 1 drops carelessly, the circuit board 5 shakes and then is rotatably connected with the upper mounting seat 16 and the lower mounting seat 17 through the connecting rod 18, the circuit board 5 pushes the sliding blocks 14 to slide towards two sides on the fixed rod 13, and then the sliding blocks, the shaking force is absorbed by the elastic force of the first spring 15, so that the circuit board 5 can be prevented from being damaged by collision,

the second damping assembly comprises a plurality of fixing columns 20 arranged on two sides of the circuit board 5, a plurality of sleeves 19 corresponding to the fixing columns 20 are arranged in the shell 1, the fixing columns 20 are connected with the sleeves 19 in a sliding mode, springs two 21 are arranged on the fixing columns 20, when the circuit board 5 shakes, the circuit board 5 can drive the fixing columns 20 to slide back and forth in the sleeves 19, then the circuit board 5 can counteract a part of shaking force through the elastic force of the springs two 21, and therefore the circuit board 5 can be prevented from being damaged due to vibration, and the service life of the charger is prolonged;

every apex angle of casing 1 all is equipped with rubber angle bead 22, and when casing 1 dropped because of carelessness like this, no matter that angle lands earlier, rubber angle bead 22 all can contact ground earlier, prevents that casing 1 from receiving the collision, further strengthens casing 1's anti falling nature, and rubber angle bead 22 can make casing 1 keep away from ground simultaneously, prevents to have subaerial water casing 1 and water contact to cause danger when charging.

The utility model discloses a theory of operation is: when the charger works for a long time to cause high temperature heating, the temperature sensor 9 detects the high temperature and sends a signal to the controller 8, after the controller 8 receives the signal, the refrigerator 7 is controlled to enable the refrigerating pipe 6 to refrigerate and radiate the circuit board 5, meanwhile, the fan 11 is started, the air flow rate in the shell 1 is increased, air absorbs heat in the circuit board 5, the temperature of the circuit board 5 is reduced, the damage of the charger and the aging of a battery caused by the high temperature heating of the charger are prevented, the safety of people is threatened, therefore, when the shell 1 carelessly drops the circuit board 5 to shake, the circuit board 5 can push the sliding blocks 14 to slide to two sides on the fixed rods 13 through the rotary connection of the connecting rods 18, the upper mounting seat 16 and the lower mounting seat 17, the shaking force is absorbed through the elastic force of the first springs 15, and meanwhile, the circuit board 5 can drive the fixed columns 20 to slide, then, a part of shaking force is counteracted through the elastic force of the second spring 21, so that the circuit board 5 can be prevented from being damaged by vibration caused by collision, and the service life of the charger is prolonged.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented 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. The utility model provides a convenient radiating lithium ion battery charger, includes casing (1) and power cord (3), the one end of power cord (3) is equipped with power plug (2), the other end of power cord (3) is equipped with socket (4), power cord (3) and circuit board (5) electric connection who establishes in casing (1), its characterized in that: be equipped with refrigeration pipe (6) in circuit board (5), refrigeration pipe (6) and refrigerator (7) electric connection established in circuit board (5), be equipped with in circuit board (5) with refrigerator (7) electric connection's controller (8), electric connection is equipped with temperature sensor (9) in circuit board (5), temperature sensor (9) and controller (8) electric connection, the both sides of casing (1) all are equipped with a plurality of small openings (10), one side that is close to small opening (10) in casing (1) is equipped with fan (11), be equipped with in casing (1) and prevent that circuit board (5) from receiving the first damper and the second damper that collide the damage.

2. The lithium ion battery charger convenient for heat dissipation according to claim 1, wherein: the first damping assembly comprises a fixing rod (13) which is symmetrically arranged above and below a circuit board (5) in a shell (1), two sliders (14) are arranged on the fixing rod (13), the sliders (14) are connected with the fixing rod (13) in a sliding mode, springs (15) are arranged at two ends of the fixing rod (13), an upper mounting seat (16) is arranged on each slider (14), two lower mounting seats (17) are symmetrically arranged on the upper side and the lower side of the circuit board (5), and the upper mounting seat (16) and the lower mounting seats (17) are rotatably connected through a connecting rod (18).

3. The lithium ion battery charger convenient for heat dissipation according to claim 1, wherein: the second damping assembly comprises a plurality of fixing columns (20) arranged on two sides of the circuit board (5), a plurality of sleeves (19) corresponding to the fixing columns (20) are arranged in the shell (1), the fixing columns (20) are connected with the sleeves (19) in a sliding mode, and springs (21) are arranged on the fixing columns (20).

4. The lithium ion battery charger convenient for heat dissipation according to claim 1, wherein: the refrigerating pipe (6) is arranged in the circuit board (5) in an S shape.

5. The lithium ion battery charger convenient for heat dissipation according to claim 1, wherein: each top corner of the shell (1) is provided with a rubber corner protector (22).

6. The lithium ion battery charger convenient for heat dissipation according to claim 1, wherein: the shell (1) is provided with a plurality of baffle plates (12) corresponding to the leakage holes (10), and the baffle plates (12) form an angle of 45 degrees with the horizontal plane.