CN216774343U

CN216774343U - Charger with storage battery overheating protection function

Info

Publication number: CN216774343U
Application number: CN202220054844.4U
Authority: CN
Inventors: 邢晶燕
Original assignee: Wuhan Biaorui Technology Co ltd
Current assignee: Wuhan Biaorui Technology Co ltd
Priority date: 2022-01-11
Filing date: 2022-01-11
Publication date: 2022-06-17
Anticipated expiration: 2032-01-11

Abstract

The utility model relates to the technical field of chargers, in particular to a charger with a storage battery overheating protection function. The box cover can be detachably arranged on the bottom box, the bottom box is provided with an air inlet hole and an air outlet hole, and the cooling box is positioned between the air inlet hole and the air outlet hole. The input end of the coiled pipe is communicated with the air inlet, and the output end of the coiled pipe is communicated with the air outlet. The master control component is positioned between the cooling box and the exhaust hole, and a heat-conducting plate A is arranged on the master control component. The cooling fan is located between the master control assembly and the exhaust hole. The heat conducting plate A is connected with the heat radiating plate. The sliding cover A is provided with a rack A, and the sliding cover B is provided with a rack B. The gear is meshed with the rack A and the rack B, and the output end of the micro motor is connected with the end part of the rotating shaft of the gear. According to the utility model, multiple heat dissipation is arranged, and heat dissipation is carried out according to the actual heat production quantity of the charger, so that the energy is saved and the efficiency is high.

Description

Charger with storage battery overheating protection function

Technical Field

The utility model relates to the technical field of chargers, in particular to a charger with a storage battery overheating protection function.

Background

Electric two wheeler mainly comprises the frame, including a motor, an end cap, a controller, and four major possession spares of battery, often can join in marriage a battery charger who matches with it at the in-process that electric two wheeler sells, this type of charger inner structure is comparatively simple, it often can produce a large amount of heats when being in long-time charging work, heat dissipation hole near on its self sometimes can't discharge this part heat completely, and then lead to the charger temperature to be higher and higher, can arouse the conflagration even, the probability that the conflagration arouses can very big improvement in hot high temperature weather.

Chinese patent with publication number CN215378509U discloses a charger with battery overheat protection function, the device sets up through the cooperation of first radiating groove, accomodate groove, motor, pivot, first screw thread, second screw thread, movable plate, first baffle, temperature sensor and controller for the radiating rate to the charger body has been accelerated, makes the radiating effect of this charger better, thereby has guaranteed the normal clear of this charger internal component, makes the inside a large amount of heats that can not gather of this charger structure.

But the device both sides baffle receives the interference of both sides object easily when stretching out, and the baffle is probably unable to stretch out to the device only assists the heat dissipation through the mode that increases the cooling surface, and the radiating effect can not be than current charger radiating effect better how much, and the device later maintenance nursing degree of difficulty is very big simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a charger with a storage battery overheating protection function aiming at the problems in the background technology.

The technical scheme of the utility model is as follows: a charger with a storage battery overheating protection function comprises a bottom box, a cooling box, a coiled pipe, a master control assembly, a cooling fan, a cooling plate, a sliding cover A, a sliding cover B, a gear and a micro motor. The box cover is detachably arranged on the bottom box, the air inlet hole and the exhaust hole are formed in the bottom box, and the two heat dissipation grooves are symmetrically formed in the box cover. The cooling box is arranged in the bottom box and is positioned between the air inlet hole and the air outlet hole. The serpentine pipe is arranged in the cooling box, the input end of the serpentine pipe penetrates through the shell of the cooling box and is communicated with the air inlet, and the output end of the serpentine pipe penetrates through the shell of the cooling box and is communicated with the air outlet. The master control component is arranged in the bottom box, is positioned between the cooling box and the exhaust hole, and is provided with a heat-conducting plate A connected with the master control component. The heat dissipation fan is arranged in the bottom box, is positioned between the master control assembly and the exhaust holes, and blows towards the exhaust holes. The heat dissipation plate is arranged in the heat dissipation groove, and the other end of the heat conduction plate A is connected with the heat dissipation plate. The sliding cover A and the sliding cover B are symmetrically arranged in the corresponding side heat dissipation grooves in a sliding mode, and the sliding cover A and the sliding cover B are located above the corresponding side heat dissipation plates respectively. The sliding cover A is provided with a rack A, and the sliding cover B is provided with a rack B. The gear is arranged in the box cover and is rotationally connected with the box cover, and the gear is positioned between the rack A and the rack B and is meshed and connected with the rack A and the rack B. The micromotor is arranged in the box cover, and the output end of the micromotor is connected with the end part of the rotating shaft of the gear.

Preferably, the inside heat conduction hole that sets up of curb plate of cooler bin, the inside of cooler bin sets up the refrigeration piece, and the refrigeration piece is located the liquid level below. The bottom of the heat dissipation plate is provided with a heat conduction plate B, and the bottom of the heat conduction plate B is inserted into the heat conduction hole and is connected with the heat dissipation end of the refrigeration piece.

Preferably, the cooling box is provided with a liquid feeding pipe, and the liquid feeding pipe is provided with a sealing pipe cover.

Preferably, a temperature sensor A and a controller are arranged in the bottom box, the temperature sensor is in communication connection with the controller, and the controller is in control connection with the cooling fan and the micromotor.

Preferably, set up temperature sensor B in the cooler bin, temperature sensor B and controller communication connection, controller control connection refrigeration piece.

Preferably, the device further comprises a mounting screw. The side plate of the bottom box is provided with a mounting hole, one side of the box cover close to the bottom box is arranged in a threaded hole corresponding to the mounting hole, and the threaded end of the mounting screw penetrates through the mounting hole and is spirally inserted into the threaded hole.

Preferably, a leakage protection switch is arranged in the master control assembly, and an electric quantity monitoring device is arranged in the master control assembly.

Preferably, the air inlet and the air outlet are both provided with dust screens.

Compared with the prior art, the utility model has the following beneficial technical effects:

by arranging the cooling box, the coiled pipe is arranged in the cooling box, air enters the coiled pipe under the driving of the cooling fan and is subjected to heat exchange reaction with a low-temperature cooling medium in the coiled pipe, the low-temperature air contacts the master control assembly, the master control assembly is directly cooled, and the cooling effect is obvious; by arranging the matching structure of the heat conducting plate and the heat dissipation plate, when the temperature of the master control assembly is very high, the temperature on the chip inside the master control assembly is transferred to the heat dissipation plate through the heat conducting plate A, and the heat dissipation is carried out by utilizing the heat dissipation plate, so that the heat dissipation efficiency is further accelerated; by arranging the sliding cover A and the sliding cover B, when the internal temperature of the charger is not high, the sliding cover A and the sliding cover B do not need to use a heat dissipation plate for assisting heat dissipation, and the sliding cover A and the sliding cover B seal the corresponding heat dissipation grooves at the moment, so that ash or water is prevented from entering the heat dissipation grooves; meanwhile, the utility model is convenient to install due to disassembly and provides convenience for later maintenance.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is an internal structural view of the back box;

FIG. 3 is a view showing an internal structure of a cooling tank;

fig. 4 is a connection structure diagram of the slide cover a and the slide cover B.

Reference numerals: 1. a bottom case; 2. a box cover; 3. an air inlet; 4. an exhaust hole; 5. a dust screen; 6. a cooling tank; 7. a heat conduction hole; 8. a serpentine tube; 9. a refrigeration plate; 10. a master control component; 11. a heat conducting plate A; 12. a heat radiation fan; 13. a heat sink; 14. a heat dissipation plate; 15. a heat conducting plate B; 16. a sliding cover A; 17. a rack A; 18. a sliding cover B; 19. a rack B; 20. a gear; 21. a micro-motor.

Detailed Description

Example one

As shown in fig. 1-4, the charger with the battery overheat protection function according to the present invention includes a bottom case 1, a cooling box 6, a serpentine tube 8, a main control assembly 10, a heat dissipation fan 12, a heat dissipation plate 14, a sliding cover a16, a sliding cover B18, a gear 20, and a micro-motor 21. The box cover 2 is detachably arranged on the bottom box 1, the air inlet 3 and the exhaust hole 4 are arranged on the bottom box 1, and the two heat dissipation grooves 13 are symmetrically arranged on the box cover 2. The cooling box 6 is arranged in the bottom box 1 and is positioned between the air inlet holes 3 and the air outlet holes 4. The coiled pipe 8 is arranged in the cooling box 6, the input end of the coiled pipe 8 penetrates through the shell of the cooling box 6 and is communicated with the air inlet 3, and the output end of the coiled pipe 8 penetrates through the shell of the cooling box and is communicated with the air outlet 4. The master control component 10 is arranged in the bottom box 1, the master control component 10 is positioned between the cooling box 6 and the exhaust hole 4, and a heat conducting plate A11 connected with the master control component 10 is arranged on the master control component 10. The heat dissipation fan 12 is arranged in the bottom box 1, the heat dissipation fan 12 is located between the master control assembly 10 and the exhaust hole 4, and the heat dissipation fan 12 blows towards the exhaust hole 4. The heat sink 14 is disposed in the heat sink 13, and the other end of the heat transfer plate a11 is connected to the heat sink 14. The slide cover a16 and the slide cover B18 are symmetrically and slidably disposed in the corresponding side heat dissipation groove 13, and the slide cover a16 and the slide cover B18 are respectively located above the corresponding side heat dissipation plate 14. The slide cover A16 is provided with a rack A17, and the slide cover B18 is provided with a rack B19. The gear 20 is arranged in the box cover 2 and is connected with the box cover in a rotating mode, and the gear 20 is located between the rack A17 and the rack B19 and is connected with the rack A17 and the rack B19 in a meshing mode. The micromotor 21 is arranged in the box cover 2, and the output end of the micromotor 21 is connected with the end part of the rotating shaft of the gear 20.

In this embodiment, when the temperature of the total control component 10 rises, the cooling fan 12 is started, and when the cooling fan 12 works, the external air enters the serpentine pipe 8 from the air inlet 3 and flows through the outer surface of the total control component 10, so as to send out the high temperature of the total control component 10 from the air outlet 4. When the internal temperature of the device is higher than a certain value, the heat dissipation effect of the heat dissipation fan 12 is insufficient, the micro motor 21 is started, the micro motor 21 rotates and enables the rack A17 and the rack B to move synchronously, the sliding cover A16 and the sliding cover B18 retract synchronously to enable the heat dissipation groove 13 to be opened, the high temperature in the master control assembly 10 is conducted to the heat dissipation plate 14 through the heat conduction plate B15, and the redundant heat is discharged through the heat dissipation plate 14. When the temperature in the device reaches the high point, the refrigerator in the cooling box 6 is started at the moment, the temperature of the cooling liquid is rapidly reduced, the air in the coiled pipe 8 and the low-temperature cooling liquid are changed into low-temperature air after heat exchange, and the low-temperature air is in direct contact with the master control assembly 10, so that the cooling of the master control assembly 10 is accelerated.

Example two

As shown in fig. 2 to 3, compared with the first embodiment, in the charger with the storage battery overheat protection function provided by the present invention, the heat conduction hole 7 is arranged inside the side plate of the cooling box 6, the refrigeration sheet 9 is arranged inside the cooling box 6, and the refrigeration sheet 9 is located below the liquid level. The bottom of the heat radiating plate 14 is provided with a heat conducting plate B15, and the bottom of the heat conducting plate B15 is inserted into the heat conducting hole 7 and connected with the heat radiating end of the refrigerating sheet 9.

In this embodiment, the cooling plate 9 in the cooling box can rapidly reduce the temperature of the cooling liquid, but the heat dissipation end of the cooling plate 9 generates high temperature in the cooling process, the heat conduction plate B15 is used to transmit the generated high temperature to the heat dissipation plate 14, and the heat dissipation plate 14 is used to discharge the high temperature.

EXAMPLE III

Compared with the first embodiment, the charger with the storage battery overheating protection function provided by the utility model has the advantages that the temperature sensor A and the controller are arranged in the bottom box 1, the temperature sensor is in communication connection with the controller, and the controller is in control connection with the cooling fan 12 and the micromotor 21. A temperature sensor B is arranged in the cooling box 6 and is in communication connection with a controller, and the controller is in control connection with the refrigerating sheet 9.

In this embodiment, the temperature sensor is used to detect the temperature change inside the bottom case 1 of the charger in real time during the charging process, the temperature sensor feeds back the temperature signal to the controller, and the controller sends out a corresponding instruction to enable the corresponding structural component to complete the heat dissipation action.

The embodiments of the present invention have been described in detail with reference to the drawings, but the present invention is not limited thereto, and various changes can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.

Claims

1. A charger with a storage battery overheating protection function is characterized by comprising a bottom box (1), a cooling box (6), a coiled pipe (8), a master control assembly (10), a cooling fan (12), a cooling plate (14), a sliding cover A (16), a sliding cover B (18), a gear (20) and a micro motor (21);

the bottom box (1) is detachably provided with a box cover (2), the bottom box (1) is provided with an air inlet (3) and an air outlet (4), and the box cover (2) is symmetrically provided with two heat dissipation grooves (13); the cooling box (6) is arranged in the bottom box (1) and is positioned between the air inlet hole (3) and the air outlet hole (4); the serpentine pipe (8) is arranged in the cooling box (6), the input end of the serpentine pipe (8) penetrates through the shell of the cooling box (6) and is communicated with the air inlet hole (3), and the output end of the serpentine pipe (8) penetrates through the shell of the cooling box and is communicated with the air outlet hole (4);

the master control component (10) is arranged in the bottom box (1), the master control component (10) is positioned between the cooling box (6) and the exhaust hole (4), and a heat-conducting plate A (11) connected with the master control component (10) is arranged on the master control component (10); the heat dissipation fan (12) is arranged in the bottom box (1), the heat dissipation fan (12) is positioned between the master control assembly (10) and the exhaust hole (4), and the heat dissipation fan (12) blows towards the exhaust hole (4);

the heat dissipation plate (14) is arranged in the heat dissipation groove (13), and the other end of the heat conduction plate A (11) is connected with the heat dissipation plate (14); the sliding cover A (16) and the sliding cover B (18) are symmetrically arranged in the corresponding side heat dissipation groove (13) in a sliding manner, and the sliding cover A (16) and the sliding cover B (18) are respectively positioned above the corresponding side heat dissipation plate (14); a rack A (17) is arranged on the sliding cover A (16), and a rack B (19) is arranged on the sliding cover B (18); the gear (20) is arranged in the box cover (2) and is rotationally connected with the box cover, and the gear (20) is positioned between the rack A (17) and the rack B (19) and is meshed with the rack A (17) and the rack B (19); the micromotor (21) is arranged in the box cover (2), and the output end of the micromotor (21) is connected with the end part of the rotating shaft of the gear (20).

2. The charger with the function of battery overheating protection according to claim 1, wherein the cooling box (6) is provided with heat conduction holes (7) inside the side plates, the cooling box (6) is provided with refrigeration sheets (9) inside, and the refrigeration sheets (9) are positioned below the liquid level; the bottom of the heat dissipation plate (14) is provided with a heat conduction plate B (15), and the bottom of the heat conduction plate B (15) is inserted into the heat conduction hole (7) and is connected with the heat dissipation end of the refrigeration sheet (9).

3. The charger with the function of protecting the storage battery from overheating as claimed in claim 1, wherein the cooling box (6) is provided with a liquid feeding pipe, and the liquid feeding pipe is provided with a sealing pipe cover.

4. The charger with the function of protecting the storage battery from overheating according to claim 1, wherein a temperature sensor A and a controller are arranged inside the bottom case (1), the temperature sensor A is in communication connection with the controller, and the controller is in control connection with the heat dissipation fan (12) and the micromotor (21).

5. The charger with the function of protecting the storage battery from overheating according to claim 4, wherein a temperature sensor B is arranged in the cooling box (6), the temperature sensor B is in communication connection with a controller, and the controller is in control connection with the refrigerating sheet (9).

6. The charger according to claim 1, further comprising a mounting screw; the side plate of the bottom box (1) is provided with a mounting hole, one side of the box cover (2) close to the bottom box (1) is arranged in a threaded hole corresponding to the mounting hole, and the threaded end of the mounting screw penetrates through the mounting hole and is inserted into the threaded hole in a threaded manner.

7. The charger with the function of protecting the storage battery from overheating according to claim 1, wherein a leakage protection switch is arranged in the general control assembly (10), and an electric quantity monitoring device is arranged in the general control assembly (10).

8. The charger with the function of protecting the storage battery from overheating as claimed in claim 1, wherein the dust screen (5) is arranged in each of the air inlet (3) and the air outlet (4).