CN215578731U

CN215578731U - High-capacity and high-performance garden tool lithium battery

Info

Publication number: CN215578731U
Application number: CN202122047818.7U
Authority: CN
Inventors: 徐亚峰; 李国光; 徐源; 周佳荣
Original assignee: Henan Haihong Technology Co ltd
Current assignee: Henan Haihong Technology Co ltd
Priority date: 2021-08-28
Filing date: 2021-08-28
Publication date: 2022-01-18
Anticipated expiration: 2031-08-28

Abstract

The utility model discloses a high-capacity and high-performance garden tool lithium battery, which relates to the technical field of lithium batteries and comprises a battery shell, wherein a heat-conducting aluminum plate is fixedly connected to the outer surface of the battery shell, a heat-radiating strip is fixedly connected to the outer surface of the heat-conducting aluminum plate, a protective shell is fixedly connected to the outer surface of the heat-radiating strip, an electrolyte partition plate is arranged inside the battery shell, a pressure stabilizing cavity is arranged inside the battery shell, a polytetrafluoroethylene microporous filter membrane is fixedly connected to one side surface of the pressure stabilizing cavity, a pressure stabilizing plate is slidably connected inside the pressure stabilizing cavity, a spring is fixedly connected to the outer surface of the pressure stabilizing plate, an air outlet is formed in one end of the protective shell, and fan blades are fixedly connected to an output shaft of the motor. According to the utility model, the pressure stabilizing cavity and the pressure stabilizing plate are arranged to stabilize the pressure, so that the purpose of conveniently stabilizing the pressure inside the battery shell is achieved, and the purpose of conveniently radiating the battery shell is achieved through the arrangement of the heat conducting aluminum plate, the radiating strips and the fan blades.

Description

High-capacity and high-performance garden tool lithium battery

Technical Field

The utility model relates to the technical field of lithium batteries, in particular to a high-capacity and high-performance garden tool lithium battery.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. In the process of charging and discharging, Li + is inserted and extracted back and forth between the two electrodes, and during charging, Li + is extracted from the positive electrode and inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. Lithium batteries are classified into lithium batteries and lithium ion batteries. Lithium ion batteries are used in mobile phones and notebook computers, and are commonly called as lithium batteries. The battery generally adopts a material containing lithium element as an electrode, and is a representative of modern high-performance batteries. The real lithium battery is rarely applied to daily electronic products due to high danger. With the development of urban construction in China in the years, urban greening has become a large industry, and daily maintenance is completed by means of garden tools. In order to save energy and protect environment, garden tools powered by power supplies or batteries are available on the market.

At present, the lithium cell for garden instrument of prior art, because the reaction of inside electrolyte and negative and positive pole when using, some gas often can be produced, the inside pressure grow that leads to the lithium cell, and the lithium cell is often airtight shell, thereby be not convenient for keep the stability of inside atmospheric pressure, often can lead to the dangerous condition of explosion if gas is too much, and the lithium cell for current garden instrument can often produce some heats because the reaction of electrolyte and negative and positive pole when using, and garden instrument generally does not dispel the heat to the lithium cell, thereby easily lead to the battery high temperature and explode, so current lithium cell for the garden instrument has the stability that is not convenient for keep inside pressure and the shortcoming of being not convenient for dispel the heat.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a high-capacity and high-performance garden tool lithium battery, which solves the problems in the background art.

(II) technical scheme

In order to achieve the purpose, the utility model is realized by the following technical scheme: the utility model provides a high capacity, high performance garden instrument lithium cell, includes battery case, battery case's fixed surface is connected with heat conduction aluminum plate, heat conduction aluminum plate's fixed surface is connected with the heat dissipation strip, the fixed surface of heat dissipation strip is connected with protecting sheathing, battery case's inside is equipped with the electrolyte baffle, battery case's inside is equipped with the steady voltage chamber, a side fixedly connected with polytetrafluoroethylene millipore filtration membrane in steady voltage chamber, the inside sliding connection in steady voltage chamber has the clamping plate, the fixed surface of clamping plate is connected with the spring, protecting sheathing's one end is equipped with the air outlet, the fixed surface of heat dissipation strip is connected with the motor, the output shaft fixedly connected with flabellum of motor.

It is selected, the heat dissipation strip has a plurality of and evenly distributed in heat conduction aluminum plate's surface, be formed with the chamber of ventilating between the heat dissipation strip.

The air vent is formed in one side face of the pressure stabilizing cavity, a first activated carbon filter screen is fixedly connected to the inside of the air vent, and an emergency air vent is formed in the inner top wall of the pressure stabilizing cavity.

Selected, battery case's last fixed surface is connected with the release valve, the inside and the emergent gas vent of release valve link up, the outer fixed surface of steady voltage board is connected with the piston seal piece.

The rear side of the upper surface of the battery shell is provided with a battery anode, the front side of the upper surface of the battery shell is provided with a battery cathode, and the outer surfaces of the battery anode and the battery cathode are fixedly connected with an insulating sleeve.

And the other end of the protective shell is provided with an air inlet, and the inside of the air inlet is fixedly connected with a second activated carbon filter screen.

(III) advantageous effects

The utility model provides a high-capacity and high-performance garden tool lithium battery, which has the following beneficial effects:

1. this high capacity, high performance garden instrument lithium cell, setting through steady voltage chamber and voltage regulator plate, make this high capacity, high performance garden instrument lithium cell has possessed the effect of being convenient for stabilize the inside pressure of battery case, in the in-process that uses, when the inside production of battery case is gaseous when making the pressure grow, the inside of steady voltage chamber is arranged into in gaseous accessible polytetrafluoroethylene millipore filter department, the grow of pressure makes the voltage regulator plate move to the left end, thereby the effect of steady pressure has been played, the purpose of being convenient for stabilize the inside pressure of battery case has been reached.

2. This high capacity, high performance garden instrument lithium cell, through heat conduction aluminum plate, the setting of heat dissipation strip and flabellum, make this high capacity, high performance garden instrument lithium cell has possessed and has been convenient for to the radiating effect of battery case, at the in-process that uses, the heat that battery case produced, effect conduction through heat conduction aluminum plate gives the heat dissipation strip, it is rotatory to drive protecting sheathing through the motor, the inside circulation in the chamber of ventilating that the air formed between adjacent heat dissipation strip, thereby take away the heat on the strip that will dispel the heat, reached and be convenient for to the radiating purpose of battery case.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural diagram of a front cross section of the present invention;

FIG. 3 is a schematic right-side view of the present invention;

FIG. 4 is a schematic view of the structure at A in FIG. 3 according to the present invention.

In the figure: 1. a battery case; 2. a heat conducting aluminum plate; 3. a heat dissipating strip; 4. a vent lumen; 5. a protective housing; 6. an electrolyte separator; 7. a voltage stabilizing cavity; 701. a vent; 702. a first activated carbon screen; 703. an emergency exhaust port; 8. a polytetrafluoroethylene microporous filter membrane; 9. a pressure stabilizing plate; 10. a piston seal block; 11. a spring; 12. a gas release valve; 13. an air outlet; 14. a motor; 15. a fan blade; 16. an air inlet; 17. a second activated carbon screen; 18. a battery positive electrode; 19. a battery negative electrode; 20. an insulating sleeve.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 4, the present invention provides a technical solution: a high-capacity and high-performance garden tool lithium battery comprises a battery shell 1, a battery anode 18 is arranged on the rear side of the upper surface of the battery shell 1, a battery cathode 19 is arranged on the front side of the upper surface of the battery shell 1, insulating sleeves 20 are fixedly connected to the outer surfaces of the battery anode 18 and the battery cathode 19, a release valve 12 is fixedly connected to the upper surface of the battery shell 1, the inner part of the release valve 12 is communicated with an emergency exhaust port 703, a piston sealing block 10 is fixedly connected to the outer surface of a voltage stabilizing plate 9, a heat-conducting aluminum plate 2 is fixedly connected to the outer surface of the battery shell 1, heat-radiating strips 3 are fixedly connected to the outer surface of the heat-conducting aluminum plate 2, a plurality of heat-radiating strips 3 are uniformly distributed on the outer surface of the heat-conducting aluminum plate 2, vent cavities 4 are formed between the heat-radiating strips 3, a protective shell 5 is fixedly connected to the outer surface of the heat-radiating strips 3, and an air inlet 16 is arranged at the other end of the protective shell 5, the inside fixedly connected with second active carbon filter screen 17 of air intake 16, the inside of battery case 1 is equipped with electrolyte baffle 6, the inside of battery case 1 is equipped with pressure stabilizing cavity 7, blow vent 701 has been seted up to one side of pressure stabilizing cavity 7, the inside fixedly connected with first active carbon filter screen 702 of blow vent 701, emergent gas vent 703 has been seted up to the interior roof of pressure stabilizing cavity 7, a side fixedly connected with polytetrafluoroethylene millipore filtration membrane 8 of pressure stabilizing cavity 7, the inside sliding connection of pressure stabilizing cavity 7 has voltage stabilizing plate 9, the external surface fixedly connected with spring 11 of voltage stabilizing plate 9, the one end of protecting sheathing 5 is equipped with air outlet 13, the external surface fixedly connected with motor 14 of heat dissipation strip 3, the output shaft fixedly connected with flabellum 15 of motor 14.

When in use, the inside of the battery shell 1 is positioned between the electrolyte clapboards 6 and is filled with electrolyte, the battery anode 18 and the battery cathode 19 are respectively connected with the positive electrode and the negative electrode for power utilization of the garden tool, when in use, the ions inside the electrolyte react with each other to generate electric energy and are output to the outside through the battery anode 18 and the battery cathode 19, when the electrolyte inside the battery shell 1 reacts, gas is often generated, at the moment, the gas enters the inside of the pressure stabilizing cavity 7 through the polytetrafluoroethylene microporous filter membrane 8 on one side surface of the pressure stabilizing cavity 7, the polytetrafluoroethylene microporous filter membrane 8 is a bar or a belt formed by extruding polytetrafluoroethylene and is rolled into a semi-finished product of a film, and after stretching and heat setting at the temperature below the melting point, the obtained porous product is a waterproof and elastic microporous material, has high porosity, uniform pore diameter distribution and air permeability, the air filter can be used as a sterilization filter membrane, an electrolysis diaphragm, an air dialysis membrane, an ultra-clean filter membrane of various solvents and the like, when the air enters a pressure stabilizing cavity 7 through a polytetrafluoroethylene microporous filter membrane 8, the pressure stabilizing plate 9 moves to the front side under the action of pressure, the air at the other side in the pressure stabilizing cavity 7 is discharged through a vent hole 701, the first activated carbon filter screen 702 prevents insects and dust impurities from entering the pressure stabilizing cavity 7 to cause the condition that the pressure stabilizing plate 9 and the pressure stabilizing cavity 7 slide unsmoothly, the pressure stabilizing cavity 7 is compressed, when the battery shell 1 is charged, electrolyte in the battery shell 1 can recover partial air, so that the pressure stabilizing plate 9 returns to the rear side of the pressure stabilizing cavity 7 under the action of a spring 11, the sealing property between the pressure stabilizing plate 9 and the inner side wall of the pressure stabilizing cavity 7 is better under the action of a piston sealing block 10, when more air is generated in the battery shell 1, the pressure stabilizing plate 9 is extruded to the front side, when the pressure stabilizing plate 9 moves beyond the emergency vent 703, the gas in the pressure stabilizing cavity 7 is automatically discharged through the emergency vent 703 and the air release valve 12, thereby avoiding the pressure from being too high due to too much gas generated inside the battery case 1, thereby generating explosion risk, when the electrolyte inside the battery case 1 generates heat during reaction, at this time, the heat inside the battery case 1 is conducted to the heat dissipation strips 3 through the action of the heat conduction aluminum plate 2, the heat is dissipated through the ventilation cavities 4 formed between the heat dissipation strips 3, the fan blades 15 are driven to rotate through the action of the motor 14 on the outer surface of the heat dissipation strips 3, thereby driving the air inside the ventilation cavity 4 to move, so that the cold air enters the ventilation cavity 4 at the left end from the air inlet 16, thereby discharging the hot air inside the ventilation cavity 4 from the air outlet 13, and further achieving better cooling of the battery case 1, the risk that the battery shell 1 explodes due to the fact that the battery shell 1 generates large heat through reaction inside the battery shell 1 is reduced, the battery shell 1 and the heat dissipation strips 3 are protected by the protective shell 5 on the outer layer, and therefore the higher safety factor is achieved.

In summary, the high-capacity and high-performance garden tool lithium battery has the effect of conveniently stabilizing the pressure inside the battery shell 1 through the arrangement of the pressure stabilizing cavity 7 and the pressure stabilizing plate 9, when the pressure inside the battery shell 1 is increased during the use process, the gas can be discharged into the pressure stabilizing cavity 7 through the polytetrafluoroethylene microporous filter membrane 8, the pressure increasing causes the pressure stabilizing plate 9 to move towards the left end, thereby playing the role of stabilizing the pressure and achieving the purpose of conveniently stabilizing the pressure inside the battery shell 1, the high-capacity and high-performance garden tool lithium battery has the effect of conveniently dissipating the heat from the battery shell 1 through the arrangement of the heat conducting aluminum plate 2, the heat dissipating strips 3 and the fan blades 15, the heat generated by the battery shell 1 is conducted to the heat dissipating strips 3 through the function of the heat conducting aluminum plate 2 during the use process, the motor 14 drives the protective shell 5 to rotate, air circulates inside the ventilation cavity 4 formed between the adjacent heat dissipation strips 3, thereby taking away heat from the heat dissipation strips 3, and achieving the purpose of facilitating heat dissipation of the battery case 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. The utility model provides a high capacity, high performance garden instrument lithium cell, includes battery case (1), its characterized in that: the outer surface of the battery shell (1) is fixedly connected with a heat-conducting aluminum plate (2), the outer surface of the heat-conducting aluminum plate (2) is fixedly connected with a heat-radiating strip (3), the outer surface of the heat dissipation strip (3) is fixedly connected with a protective shell (5), an electrolyte partition plate (6) is arranged inside the battery shell (1), a voltage stabilizing cavity (7) is arranged in the battery shell (1), one side surface of the voltage stabilizing cavity (7) is fixedly connected with a polytetrafluoroethylene microporous filter membrane (8), the pressure stabilizing cavity (7) is connected with a pressure stabilizing plate (9) in a sliding way, the outer surface of the pressure stabilizing plate (9) is fixedly connected with a spring (11), one end of the protective shell (5) is provided with an air outlet (13), the outer surface of the heat dissipation strip (3) is fixedly connected with a motor (14), and the output shaft of the motor (14) is fixedly connected with fan blades (15).

2. The lithium battery for a high-capacity and high-performance garden tool according to claim 1, wherein: the heat dissipation strips (3) are uniformly distributed on the outer surface of the heat conduction aluminum plate (2), and ventilation cavities (4) are formed between the heat dissipation strips (3).

3. The lithium battery for a high-capacity and high-performance garden tool according to claim 1, wherein: air vent (701) have been seted up to a side of steady voltage chamber (7), the inside fixedly connected with first active carbon filter screen (702) of air vent (701), emergent gas vent (703) have been seted up to the interior roof of steady voltage chamber (7).

4. The lithium battery for a high-capacity and high-performance garden tool according to claim 1, wherein: the upper surface fixed connection of battery case (1) has snuffle valve (12), the inside and emergent gas vent (703) of snuffle valve (12) link up, the surface fixed connection of steady voltage board (9) has piston seal block (10).

5. The lithium battery for a high-capacity and high-performance garden tool according to claim 1, wherein: the rear side of the upper surface of the battery shell (1) is provided with a battery anode (18), the front side of the upper surface of the battery shell (1) is provided with a battery cathode (19), and the outer surfaces of the battery anode (18) and the battery cathode (19) are fixedly connected with an insulating sleeve (20).

6. The lithium battery for a high-capacity and high-performance garden tool according to claim 1, wherein: the other end of the protective shell (5) is provided with an air inlet (16), and a second activated carbon filter screen (17) is fixedly connected inside the air inlet (16).