CN112993469A

CN112993469A - High temperature resistant lithium cell with charging protection structure

Info

Publication number: CN112993469A
Application number: CN202110183253.7A
Authority: CN
Inventors: 伍小荣
Original assignee: Huizhou Rongshengyuan Technology Co ltd
Current assignee: Huizhou Rongshengyuan Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-06-18
Anticipated expiration: 2041-02-08
Also published as: CN112993469B

Abstract

The invention discloses a high-temperature-resistant lithium battery with a charging protection structure, comprising a battery assembly and a box body. A fan is fixedly installed on the bottom surface of the box body, and an output end of the fan is connected with an air duct, and one end of the air duct is arranged. It runs through and extends into the box, the bottom of the box is clamped with a filter plate, the filter plate is located above the air duct, the box is slidably connected to the top of the filter plate, and a placement box is equidistantly arranged in the placement box. A battery placement slot, a splint is installed symmetrically in the battery placement slot, a fixing plate is symmetrically installed between one side of the splint and the inner wall of the placement slot, and a compression spring is fixedly connected between the fixing plates, and the battery assembly is placed Between the splints, the top surface of the battery assembly is electrically connected with a charging protection board, and the box body has a heat evacuation mechanism. After the lithium battery assembly works for a long time or encounters high temperature weather, it will not be damaged due to the increase of heat and the inability to evacuate. ,Extended service life.

Description

High temperature resistant lithium cell with charging protection structure

Technical Field

The invention relates to the technical field of lithium battery processing equipment, in particular to a high-temperature-resistant lithium battery with a charging protection structure.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and because the chemical characteristics of the lithium metal are very active, the lithium metal has very high requirements on the environment in processing, storage and use, and has become a mainstream along with the development of scientific technology, and the lithium battery can be roughly divided into two types: the lithium ion battery does not contain lithium in a metal state, can be charged, and has better safety, specific capacity, self-discharge rate and cost performance than the lithium ion battery, in order to improve the safety and voltage, scientists invent materials such as graphite, lithium cobaltate and the like to store lithium atoms, and the molecular structures of the materials form nano-grade fine storage lattices which can be used for storing lithium atoms, so that even if the shell of the battery is broken, oxygen enters, the oxygen molecules are too large and cannot enter the fine storage lattices, and the lithium atoms cannot contact with the oxygen to avoid explosion;

along with the continuous development of science and technology, the technology of the lithium battery integrated solar street lamp is more mature, the capacity is more and more large, the service life is more and more long, the application range is more and more wide, the use of the lithium battery is developed to the solar street lamp industry at present, the lead-acid and colloid storage battery is replaced, the lithium battery pack consists of a plurality of lithium batteries, the lithium battery street lamp needs to be externally connected with the lithium battery pack for charging and discharging maintenance when meeting short circuit or relevant devices, the existing lithium battery pack for maintenance does not have a lifting base, if the existing lithium battery pack for maintenance is higher in maintenance height and does not have matched lengthened connecting wires, the problem of maintenance work is caused and inconvenience is caused, the battery pack is formed by connecting a plurality of groups of lithium batteries through wires, the existing battery placing box body is mostly not provided with a clamping mechanism, the batteries are easy to generate shaking displacement in, the battery pack can release heat, and the temperature rise is faster after long-time work or when meeting the weather heat with higher temperature, if not carrying out inside heat evacuation, causes the damage to the battery pack easily.

Disclosure of Invention

The invention aims to provide a high-temperature-resistant lithium battery with a charging protection structure, which is provided with lifting support legs, brings convenience to maintenance work of a street lamp, is provided with a clamping mechanism in a placing box, is not easy to shake and displace a battery assembly, improves the working efficiency, is provided with a heat evacuation mechanism in the box, is not damaged due to the fact that the lithium battery assembly cannot be evacuated due to the rise of heat after working for a long time or in high-temperature weather, and prolongs the service life, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a high-temperature resistant lithium battery with a charging protection structure comprises a battery component and a box body, wherein a fan is fixedly arranged on the bottom surface of the box body, the output end of the fan is communicated with an air pipe, one end of the air pipe penetrates through and extends into the box body, a filter plate is clamped at the bottom in the box body and is positioned above the air pipe, a placing box is connected in the box body and is positioned above the filter plate in a sliding way, the battery placing grooves are equidistantly arranged in the placing box, clamping plates are symmetrically and slidably arranged in the battery placing grooves, fixing plates are symmetrically arranged between one side of the clamping plate and the inner wall of the placing groove, compression springs are fixedly connected between the fixing plates, the battery component is arranged between the clamping plates, the top surface of the battery component is electrically connected with a charging protection plate, one side of the top surface of the box body is hinged with a box cover, and a lock catch is arranged at the joint of the box cover and the box body.

Preferably, hydraulic push rods are fixedly mounted on two sides of the bottom surface of the box body, support plates are fixedly mounted on the bottom surfaces of the hydraulic push rods, movable wheels are fixedly mounted on the bottom surfaces of the support plates, and the movable wheels are self-locking universal movable wheels.

Preferably, the bottom symmetry has seted up the draw-in groove in the box, filter both sides fixed mounting has the fixture block, fixture block and draw-in groove clearance fit, filter and box joint department set up the sealing strip, filter outside fixed mounting has the handle.

Preferably, first chutes are symmetrically formed in the box body, first sliding blocks are fixedly mounted on two sides of the placing box, and the first sliding blocks are in sliding clearance fit with the first chutes.

Preferably, place the bottom of the case face and be provided with the layer board, the layer board sets up to the fretwork layer board, evenly distributed equidistance is provided with the through-hole on the layer board, place bottom of the case face both sides fixed mounting have two sets of handles.

Preferably, a second sliding groove is formed in the bottom of the battery placing groove, a second sliding block is fixedly mounted on the bottom surface of the clamping plate, the second sliding block is in sliding clearance fit with the second sliding groove, an anti-skid plate is fixedly mounted on one side, opposite to the clamping plate, of the clamping plate, and the anti-skid plate is a polyurethane anti-skid plate.

Preferably, the battery placing grooves are arranged in the placing grooves at equal intervals, the four groups of battery placing grooves are arranged, the battery assemblies are electrically connected through electric wires, and threading holes matched with the electric wires are formed in the battery placing grooves.

Preferably, be provided with on the battery pack and prevent scraping the membrane shell, prevent that the inboard laminating of scraping the membrane shell is provided with waterproof coating.

Preferably, the case lid is fixed mounting at position between two parties has the fan, there is the switch at the fan top through wire tube electric connection, the switch is located the case lid upper surface, fixed mounting has the electric quantity display screen on the case lid, one side fixed mounting has the mouth that charges on the case lid, the case lid is kept away from mouth that charges one side fixed mounting has the mouth that discharges, charge mouth and discharge mouth all with battery pack electric connection.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the hydraulic push rods are fixedly arranged on the two sides of the bottom surface of the box body, when the maintenance height is higher, the hydraulic push rods are started to lift the battery assembly, the maintenance height is matched, external lengthened connecting wires are not needed, the working hours are saved, and the maintenance work is convenient;

2. the lithium battery is placed through the battery placing groove arranged in the placing box, the clamping plate is connected to the inside of the battery placing groove in a sliding mode, the compression spring is fixedly connected between one side of the clamping plate and the inner wall of the battery placing groove, the lithium battery is placed between the clamping plate to be clamped and fixed, and the lithium battery is not prone to shaking and displacing during transferring or using, so that the working efficiency is improved.

3. The fan intercommunication of box bottom surface fixed mounting is provided with the tuber pipe, and tuber pipe one end runs through and extends to the box bottom surface, and fixed mounting has the fan on box one side articulated case lid, and when meetting group battery long-time work or high temperature weather, when the inside heat of box risees, start the fan and drive the tuber pipe and blow and the fan cooperation of installing on the case lid uses, evacuates the heat in the box, and protection battery pack is difficult impaired, increase of service life.

Drawings

FIG. 1 is a schematic cross-sectional view of a front view structure of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a front cross-sectional view of a portion of the cover of the present invention;

FIG. 4 is a schematic top view of a portion of the battery compartment according to the present invention;

FIG. 5 is a bottom view of the cover of the present invention;

FIG. 6 is an enlarged view of part A of FIG. 1 according to the present invention;

FIG. 7 is an enlarged view of the portion B of FIG. 1 according to the present invention;

fig. 8 is an enlarged view of the portion C of fig. 1 according to the present invention.

In the figure: 1. a battery assembly; 2. a box body; 3. a fan; 4. an air duct; 5. a filter plate; 6. placing a box; 601. a support plate; 7. a battery placement groove; 8. a splint; 9. a fixing plate; 10. a compression spring; 11. a charging protection plate; 12. a box cover; 13. locking; 14. a hydraulic push rod; 15. a support plate; 16. a running wheel; 17. a card slot; 18. a clamping block; 19. a handle; 20. a first chute; 21. a first slider; 22. a handle; 23. a second chute; 24. a second slider; 25. an anti-skid plate; 26. an electric wire; 27. a scratch-resistant film housing; 28. a water-resistant coating; 29. a fan; 30. a switch; 31. an electric quantity display screen; 32. a charging port; 33. and a discharge port.

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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a high-temperature-resistant lithium battery with a charging protection structure comprises a battery pack 1 and a box body 2, wherein a scratch-resistant film shell 27 is arranged on the battery pack 1, so that the battery pack 1 is not easy to scratch, a waterproof coating 28 is attached to the inner side of the scratch-resistant film shell 27, the battery pack 1 is convenient to protect from water and damp, hydraulic push rods 14 are fixedly arranged on two sides of the bottom surface of the box body 2, when a lifting device is required to be used in a matched mode, the battery pack 1 is lifted through the hydraulic push rods 14, a support plate 15 is fixedly arranged on the bottom surface of the hydraulic push rods 14, a movable wheel 16 is fixedly arranged on the bottom surface of the support plate 15, the movable wheel 16 is a self-locking universal movable wheel, the device is convenient to push through the movable wheel 16, and is pushed back to a;

the bottom surface of the box body 2 is fixedly provided with a fan 3, the output end of the fan 3 is communicated with an air pipe 4, one end of the air pipe 4 penetrates through and extends into the box body 2, the air pipe 4 is driven by the fan 3 to blow air into the box body 2, a filter plate 5 is clamped at the bottom in the box body 2, dust sieved by the filter plate 5 is difficult to enter the box body 2 when the air pipe 4 blows air, the battery pack 1 is protected from being easily contaminated by dust to influence the use performance, clamping grooves 17 are symmetrically formed in the bottom in the box body 2, clamping blocks 18 are fixedly arranged on two sides of the filter plate 5, the clamping blocks 18 are in clearance fit with the clamping grooves 17, a sealing strip is arranged at the clamping position of the filter plate 5 and the box body 2, a handle 19 is fixedly arranged on the outer side of the filter plate 5;

a placing box 6 is connected in the box body 2 above the filter plate 5 in a sliding way, the battery component 1 is convenient to place through the placing box 6, first sliding grooves 20 are symmetrically arranged in the box body 2, first sliding blocks 21 are fixedly arranged at two sides of the placing box 6, the first sliding blocks 21 are in sliding clearance fit with the first sliding grooves 20, the battery component 1 is more convenient to place, replace and take out through the sliding mechanism, the working time is saved, the bottom surface of the placing box 6 is provided with a supporting plate 601, the supporting plate 601 is a hollow supporting plate, through holes are uniformly distributed on the supporting plate 601 at equal intervals, the air inside the placing box 6 is circulated through the arrangement of the hollow support plate, the wind power of the wind pipe 4 is transmitted into the placing box 6 through the arrangement of the through hole, the battery assembly 1 is protected from being damaged by releasing heat to the battery assembly needing to be cooled, two groups of handles 22 are fixedly arranged on two sides of the bottom surface of the placing box 6, and the placing box 6 is more convenient to pull through the handles 22;

battery placing grooves 7 are equidistantly arranged in the placing box 6, the battery placing grooves 7 are equidistantly arranged in the placing grooves 6, four groups of battery placing grooves 7 are arranged, batteries can be respectively placed conveniently through the battery placing grooves 7, interference is not easy to cause during use, each group of batteries has an independent placing space, the service performance is improved, the battery assemblies 1 are electrically connected through electric wires 26, threading holes matched with the electric wires 26 are arranged on the battery placing grooves 7, clamping plates 8 are symmetrically and slidably arranged in the battery placing grooves 7, a second sliding groove 23 is arranged at the bottom in the battery placing grooves 7, a second sliding block 24 is fixedly arranged at the bottom of each clamping plate 8, the second sliding block 24 is in sliding clearance fit with the second sliding groove 23, the stability of the clamping plates 8 during sliding is improved, displacement is not easy to occur, anti-skid plates 25 are fixedly arranged at the opposite sides of the clamping plates 8, the anti-skid plates 25 are arranged to be polyurethane anti-skid plates, the sliding is not easy, the connection performance is improved, and the working efficiency is good;

the fixing plates 9 are symmetrically arranged between one side of each clamping plate 8 and the inner wall of the corresponding placing groove 7, compression springs 10 are fixedly connected between the fixing plates 9, the elastic pressing force of the clamping plates 8 on the battery assembly 1 is increased by the compression springs 10, batteries of different types can be placed in the battery placing groove 7, pressing and clamping can be achieved through the arrangement of the compression springs 10, the practicability is improved, the battery assembly 1 is placed between the clamping plates 8, the top surface of the battery assembly 1 is electrically connected with a charging protection plate 11, the lithium batteries are not prone to being damaged due to overcharge, overdischarge, overcurrent, short circuit and ultra-high temperature charge and discharge through the charging protection plate 11, a box cover 12 is hinged to one side of the top surface of the box body 2, a lock catch 13 is arranged at the joint of the box cover 12 and;

a fan 29 is fixedly installed at the center of the box cover 12, the top of the fan 29 is electrically connected with a switch 30 through a wire tube, the fan 29 is controlled to be started and closed through the switch 30, when high-temperature weather is needed or the battery assembly 1 works for a long time, the fan 29 is started to blow air and cool the interior of the box body 2, the fan 3 on the bottom surface of the box body 2 drives the air duct 4 to be matched for use according to the heat quantity, the battery assembly 1 is protected from being damaged due to high temperature, the switch 30 is positioned on the upper surface of the box cover 12, an electric quantity display screen 31 is fixedly installed on the box cover 12, the electric quantity condition of the battery assembly 1 is checked through the electric quantity display screen 31, so that the battery assembly 1 can be stored in time, a charging port 32 is fixedly installed on one side of the box cover 12, an external power supply is connected with the charging port 32 to store electricity for the battery assembly, so that the battery assembly 1 discharges the electric power, and the charging port 32 and the discharging port 33 are electrically connected to the battery assembly 1.

The working principle is as follows: during the use, through the inside battery pack 1 of discharge port 33 electric connection, carry out the electric quantity release, place battery pack 1 and press from both sides tightly fixedly between splint 8, be difficult for causing the displacement of rocking of lithium cell during transportation or use, when meetting battery pack 1 time work or high temperature weather, when the inside heat of box 2 risees, start fan 3 and drive fan 29 cooperation use of installation on tuber pipe 4 bloies and the case lid 12, heat in the box 2 is evacuated, it is difficult impaired to protect battery pack 1, when highly not enough during the use, start hydraulic push rod 14 and rise battery pack 1, the cooperation maintenance height, the efficiency is improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A high temperature resistant lithium battery with a charging protection structure, comprising a battery assembly (1) and a case (2), characterized in that: a fan (3) is fixedly installed on the bottom of the case (2), and the The output end of the fan (3) is communicated with an air duct (4), one end of the air duct (4) penetrates and extends into the box body (2), and the inner bottom of the box body (2) is clamped with a filter plate (5). ), the filter plate (5) is located above the air duct (4), the box body (2) is slidably connected to a placement box (6) above the filter plate (5), and the placement box (6) etc. A battery placement slot (7) is provided in the distance, a splint (8) is symmetrically slidably installed in the battery placement slot (7), and a fixing plate is symmetrically installed between one side of the splint (8) and the inner wall of the placement slot (7). (9), a compression spring (10) is fixedly connected between the fixing plates (9), the battery assembly (1) is placed between the clamping plates (8), and the top surface of the battery assembly (1) is electrically connected There is a charging protection plate (11), a box cover (12) is hinged on one side of the top surface of the box body (2), and a lock (13) is provided at the connection between the box cover (12) and the box body (2).

2. A high temperature resistant lithium battery with a charging protection structure according to claim 1, characterized in that: hydraulic push rods (14) are fixedly installed on both sides of the bottom surface of the box body (2), and the hydraulic push rod A support plate (15) is fixedly installed on the bottom surface of the rod (14), and a moving wheel (16) is fixedly installed on the bottom surface of the support plate (15), and the moving wheel (16) is set as a self-locking universal moving wheel.

3. A high temperature resistant lithium battery with a charging protection structure according to claim 1, characterized in that: the inner bottom of the box body (2) is symmetrically provided with a card slot (17), the filter plate (5) ) are fixedly installed with clamping blocks (18) on both sides, the clamping blocks (18) and the clamping grooves (17) are in clearance fit, and a sealing strip is arranged at the clamping connection between the filter plate (5) and the box body (2). A handle (19) is fixedly installed on the outside of the filter plate (5).

4. A high temperature resistant lithium battery with a charging protection structure according to claim 1, characterized in that: the box body (2) is symmetrically provided with a first chute (20), and the placing box ( 6) A first sliding block (21) is fixedly installed on both sides, and the first sliding block (21) is in sliding clearance fit with the first sliding groove (20).

5 . The high temperature resistant lithium battery with a charging protection structure according to claim 1 , wherein: the bottom surface of the placing box ( 6 ) is provided with a support plate ( 601 ), and the support plate ( 601 ) is provided with a support plate ( 601 ). It is a hollow support plate, the support plate (601) is provided with through holes evenly distributed and equidistant, and two sets of handles (22) are fixedly installed on both sides of the bottom surface of the placing box (6).

6. A high temperature resistant lithium battery with a charging protection structure according to claim 1, characterized in that: a second chute (23) is provided at the inner bottom of the battery placement groove (7), and the splint ( 8) A second sliding block (24) is fixedly installed on the bottom surface, the second sliding block (24) and the second chute (23) are in sliding clearance fit, and an anti-skid plate ( 25), the anti-skid plate (25) is configured as a polyurethane anti-skid plate.

7. A high temperature resistant lithium battery with a charging protection structure according to claim 1, characterized in that: the battery placing grooves (7) are equidistantly arranged in the placing grooves (6), and the battery placing grooves (7) Four groups are provided, the battery assemblies (1) are electrically connected by wires (26), and the battery placement grooves (7) are provided with threading holes matched with the wires (26).

8. A high temperature resistant lithium battery with a charging protection structure according to claim 1, wherein the battery assembly (1) is provided with an anti-scratch film casing (27), the anti-scratch film casing (27) A waterproof coating (28) is fitted on the inner side.

9 . The high temperature resistant lithium battery with a charging protection structure according to claim 1 , wherein a fan (29) is fixedly installed in the center of the box cover (12), and a top of the fan (29) is fixedly installed. 10 . A switch (30) is electrically connected through the wire pipe, the switch (30) is located on the upper surface of the box cover (12), the box cover (12) is fixedly mounted with a power display (31), and the box cover ( 12) A charging port (32) is fixedly installed on the upper side, a discharge port (33) is fixedly installed on the side of the box cover (12) away from the charging port (32), and the charging port (32) is connected to the discharge port (33). ) are electrically connected to the battery pack (1).