CN210516802U

CN210516802U - A lithium battery protection device

Info

Publication number: CN210516802U
Application number: CN201921747600.9U
Authority: CN
Inventors: 梁林青
Original assignee: Guangzhou Youshuo Microelectronic Technology Co ltd
Current assignee: Guangzhou Youshuo Microelectronic Technology Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-05-12
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a lithium battery protection device, comprising a protection device body, a cover plate is arranged on the upper end of the protection device body, a plurality of fastening bolts are arranged on the surface of the cover plate, and the inner surface of the cover plate is fixedly provided with A temperature sensor, a microprocessor is provided on one side of the temperature sensor, a chute is provided on both sides of the microprocessor, a spring is provided on the inner side of the chute, and a second slider is provided on one side of the spring, so One side of the second sliding block is pivotally provided with a pivoting connecting rod, and two sides of the inner surface of the protection device body are fixedly provided with slide rails to clamp the battery between the clamping and fixing plates, and the upper cover plate of the rear cover is fastened by tightening When the bolt is fixed, when it vibrates, the telescopic spring rod cooperates with the shaft connecting rod to drive the second slider to slide inside the chute, squeezing and damping the spring. The surface is slightly offset and slid up and down, which greatly reduces the damage to the battery caused by vibration.

Description

Lithium battery protection device

Technical Field

The utility model belongs to the technical field of a lithium cell technique and specifically relates to a lithium cell protection device is related to.

Background

General battery fixing device of vehicle, the effect is all not ideal in the use, and fixing device's shock attenuation effect is not good, the car can produce the vibration when using, the vibration that produces leads to the damage of battery easily, like this kind of the relatively poor fixing device of battery for new energy automobile of shock attenuation effect is difficult to satisfy users ' demand gradually, high performance power battery is all needed to use in new energy automobile's energy storage, in the use, can lead to the inside intensification of battery to make the battery temperature exceed its normal service temperature because of the charging and the discharge of heavy current, even cause the battery to break, the weeping, fire and explosion, thereby influence the reliability and the security of battery.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a lithium battery protection device to solve above-mentioned problem.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery protection device comprises a protection device body, wherein a cover plate is arranged at the upper end of the protection device body, a plurality of fastening bolts are arranged on the surface of the cover plate, a temperature sensor is fixedly arranged on the inner side surface of the cover plate, a microprocessor is arranged on one side of the temperature sensor, sliding grooves are formed in two sides of the microprocessor, springs are arranged on the inner side of the sliding grooves, a second slider is arranged on one side of the spring, a shaft-driven connecting rod is arranged on one side of the second slider in a shaft-driven manner, sliding rails are fixedly arranged on the inner two side surfaces of the protection device body, a plurality of first sliders are slidably arranged on the surfaces of the sliding rails, a clamping and fixing plate is fixedly arranged on one side of each first slider, a heat dissipation pipeline is arranged at the lower end of the clamping and fixing plate, a heat dissipation, and the surfaces of two sides in the protection device body are respectively provided with a cooling fan.

As a preferred technical scheme of the utility model, the inside circulating water pump that is equipped with of heat dissipation water tank, and heat dissipation pipeline one end passes through the hose connection with circulating water pump, and the other end passes through the hose connection with heat dissipation water tank, circulating water pump and microprocessor output electric connection.

As a preferred technical scheme of the utility model, centre gripping fixed plate surface is equipped with a plurality of ventilation recess, and ventilates the both sides radiator fan of recess both ends directional respectively.

As a preferred technical scheme of the utility model, the temperature sensor model is CWDZ temperature sensor, and the microprocessor model is ARM microprocessor, and temperature sensor and microprocessor input electric connection, radiator fan and microprocessor output electric connection.

As an optimal technical scheme of the utility model, the flexible spring pole includes that telescopic link and spring constitute.

As an optimal technical scheme of the utility model, the protection device body corresponds the surface with radiator fan and is equipped with a plurality of through-hole.

Compared with the prior art, the beneficial effects of the utility model are that: the lithium battery protection device clamps a battery between clamping fixing plates, an upper cover plate of a rear cover is fixed by a fastening bolt, when in vibration, a telescopic spring rod is matched with a shaft-driven connecting rod to drive a second slide block to slide in a chute to extrude and damp the spring, meanwhile, the battery slides on the surface of a slide rail in a small-amplitude offset manner through first slide blocks at two sides of the clamping fixing plates, the damage of the vibration to the battery is greatly reduced, a temperature sensor can sense the temperature in the device, a microprocessor controls a heat radiation fan to work when the temperature is too high, heat is discharged through holes, a plurality of ventilation grooves are formed in the surface of the clamping fixing plates, two ends of each ventilation groove point to the heat radiation fans at two sides respectively, the heat radiation to the surface of the battery is convenient, a circulating water pump in a heat radiation water tank is used for water circulation, the heat radiation pipeline is used for water cooling, the structure is scientific and reasonable, the use is safe and convenient, and great help is provided for people.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of an internal structure of a lithium battery protection device according to the present invention;

fig. 2 is a schematic view of a surface structure of a lithium battery protection device according to the present invention;

fig. 3 is a schematic structural view of a clamping fixing plate of the lithium battery protection device of the present invention;

in the figure: 1. fastening a bolt; 2. a cover plate; 3. a shaft-driven connecting rod; 4. clamping the fixing plate; 5. a first slider; 6. a heat dissipation pipe; 7. a slide rail; 8. a heat radiation water tank; 9. a telescoping spring rod; 10. a heat sink; 11. a temperature sensor; 12. a microprocessor; 13. a chute; 14. a spring; 15. a second slider; 16. a protection device body; 17. a heat dissipation fan.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a lithium battery protection device comprises a protection device body 16, a cover plate 2 is arranged at the upper end of the protection device body 16, a plurality of fastening bolts 1 are arranged on the surface of the cover plate 2, a temperature sensor 11 is fixedly arranged on the inner side surface of the cover plate 2, a microprocessor 12 is arranged on one side of the temperature sensor 11, sliding grooves 13 are respectively arranged on two sides of the microprocessor 12, springs 14 are arranged on the inner side of the sliding grooves 13, a second slider 15 is arranged on one side of the springs 14, a shaft-moving connecting rod 3 is axially moved on one side of the second slider 15, sliding rails 7 are fixedly arranged on the inner two side surfaces of the protection device body 16, a plurality of first sliders 5 are slidably arranged on the surfaces of the sliding rails 7, a clamping and fixing plate 4 is fixedly arranged on one side of the first sliders 5, a heat dissipation pipeline 6 is arranged at the lower end of the clamping and fixing plate 4, the protection device body 16 is provided with heat dissipation fans 17 on both inner side surfaces.

The utility model discloses, preferred, the inside circulating water pump that is equipped with of heat

dissipation water tank

8, and 6 one end of heat dissipation pipeline pass through the hose connection with circulating water pump, and the other end passes through the hose connection with heat dissipation water tank 8, circulating water pump and microprocessor 12 output electric connection.

The utility model discloses, preferred, 4 surfaces of centre gripping fixed plate are equipped with a plurality of ventilation recess, and ventilate recess both ends directional both sides radiator fan 17 respectively.

The utility model discloses, preferred, the 11 models of temperature sensor is CWDZ11 temperature sensor, and microprocessor 12 model is ARM microprocessor, and temperature sensor 11 and microprocessor 12 input electric connection, radiator fan 17 and microprocessor 12 output electric connection.

The utility model discloses, preferred, the telescopic spring pole 9 includes that telescopic link and spring constitute.

The utility model discloses, it is preferred, protection device body 16 is equipped with a plurality of through-hole with radiator fan 17 corresponding surface.

The specific principle is as follows: when in use, the battery is clamped between the clamping fixing plates 4, the rear cover upper cover plate 2 is fixed through the fastening bolt 1, during vibration, the telescopic spring rod 9 is matched with the shaft-driven connecting rod 3 to drive the second slide block 15 to slide in the sliding groove 13 to extrude and damp the spring 14, meanwhile, the battery slides on the surface of the sliding rail 7 in a small-amplitude offset manner through the first slide blocks 5 on the two sides of the clamping fixing plate 4, the damage of the vibration to the battery is greatly reduced, the temperature sensor 11 can sense the temperature in the device, the microprocessor 12 controls the heat radiation fan 17 to work when the temperature is too high, heat is discharged through the through hole, the surface of the clamping fixing plate 4 is provided with a plurality of ventilation grooves, the two ends of each ventilation groove are respectively directed to the heat radiation fans 17 on the two sides, the heat radiation on the surface of the battery is conveniently carried out through the ventilation grooves, meanwhile, the, the heat sink 10 can rapidly dissipate heat from the heat sink water tank 8 in cooperation with the heat dissipation fan 17.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A lithium battery protection device, comprising a protection device body (16), characterized in that a cover plate (2) is provided on the upper end of the protection device body (16), and a surface of the cover plate (2) is provided with several Fastening bolts (1), a temperature sensor (11) is fixed on the inner surface of the cover plate (2), and a microprocessor (12) is arranged on one side of the temperature sensor (11), and the microprocessor (12) ) are provided with chute (13) on both sides, the inner side of the chute (13) is provided with a spring (14), one side of the spring (14) is provided with a second sliding block (15), the second sliding One side of the block (15) is pivotally provided with a pivoting connecting rod (3), and two inner surfaces of the protection device body (16) are fixedly provided with slide rails (7), and the surfaces of the slide rails (7) are slidably provided with slide rails (7). A plurality of first sliding blocks (5), a clamping and fixing plate (4) is fixed on one side of the first sliding block (5), and a heat dissipation pipe (6) is arranged at the lower end of the clamping and fixing plate (4), A cooling water tank (8) is arranged at the lower end of the cooling pipe (6), a plurality of cooling fins (10) are arranged at the lower end of the cooling water tank (8), and a plurality of telescopic spring rods are arranged on both sides of the cooling fin (10). (9), cooling fans (17) are provided on both inner surfaces of the protection device body (16).

2. A lithium battery protection device according to claim 1, wherein a circulating water pump is provided inside the cooling water tank (8), and one end of the cooling pipe (6) is connected to the circulating water pump through a hose, and the other end is connected to the circulating water pump. It is connected with the cooling water tank (8) through a hose, and the circulating water pump is electrically connected with the output end of the microprocessor (12).

3 . The lithium battery protection device according to claim 1 , wherein a plurality of ventilation grooves are provided on the surface of the clamping and fixing plate ( 4 ), and the two ends of the ventilation grooves point to the cooling fans on both sides respectively. (17).

4 . The lithium battery protection device according to claim 1 , wherein the temperature sensor ( 11 ) is a CWDZ11 temperature sensor, the microprocessor ( 12 ) is an ARM microprocessor, and the temperature sensor ( 11) is electrically connected to the input end of the microprocessor (12), and the cooling fan (17) is electrically connected to the output end of the microprocessor (12).

5 . The lithium battery protection device according to claim 1 , wherein the telescopic spring rod ( 9 ) comprises a telescopic rod and a spring. 6 .

6 . The lithium battery protection device according to claim 1 , wherein a plurality of through holes are provided on surfaces corresponding to the protection device body ( 16 ) and the cooling fan ( 17 ). 7 .