CN210668472U

CN210668472U - Anticorrosive installation shell of lithium cell

Info

Publication number: CN210668472U
Application number: CN201921752121.6U
Authority: CN
Inventors: 杨力平
Original assignee: Anhui Tongling Technology New Energy Co ltd
Current assignee: Anhui Tongling Technology New Energy Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-06-02
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses an anticorrosive installation shell of lithium cell, which comprises a housin, shell open end installation cap, the board is placed in the installation of casing inner chamber, it has a plurality of standing grooves to place to open on the board, place the interior installation anticorrosive board of casing of board bottom, anticorrosive board top surface is opened there is the collecting tank, standing groove bottom intercommunication collecting tank, it has the stock solution chamber to open in the anticorrosive board of collecting tank bottom, it has the bending hole to open between collecting tank and stock solution chamber, the casing outer wall of placing the board top is opened there is the louvre, louvre outside installation closing plate, the casing installation starting and stopping mechanism of closing plate department, the inboard dry box of installation of louvre. The battery core joint is in the standing groove, and when the battery core took place the electrolyte and reveals, through the standing groove bottom flow in the collecting tank, flow in the stock solution intracavity through the crooked hole and store, avoid corroding all the other intact battery cores, when the battery generates heat during the use, operating mechanism promotes the closing plate and opens, dispels the heat through the louvre, and when the closing plate was opened, the outside air was dry by dry box, avoided the battery to wet the corruption.

Description

Anticorrosive installation shell of lithium cell

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell's anticorrosive installation shell.

Background

The lithium cell is a battery of using always at present, the lithium cell often constitutes the group battery with the installation of multiunit battery core in the shell during use, present shell is a simple casing, only can play the fixed action to the battery, however, lithium cell live time has been of a specified duration and has leaded to inside electrolyte to reveal easily when taking place to damage, and ordinary shell does not have fine safeguard measure, lead to the electrolyte to overlook all the other intact battery cores easily, and can generate heat when the battery uses, then need open the louvre on the shell, but the louvre is in the state of opening all the time and leads to in the heavier air admission shell of outside moisture easily, so also lead to the battery to wet the corruption easily for a long time, we propose an anticorrosive installation shell of lithium cell for this reason and be used for solving above-mentioned.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell's anticorrosive installation shell to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anticorrosive installation shell of lithium cell, includes the casing, casing open end installation cap, the board is placed in casing inner chamber fixed mounting, it has a plurality of standing grooves to place to open on the board, standing groove bottom fixed mounting support column, place the interior fixed mounting anticorrosive board of casing of board bottom, the board is placed in the closely laminating of anticorrosive board top, and anticorrosive board top surface opens there is the collecting tank, standing groove bottom intercommunication collecting tank, it has the stock solution chamber to open in the anticorrosive board of collecting tank bottom, it has the crooked hole to open between collecting tank and the stock solution chamber, the fixed fluid-discharge tube that cup joints of stock solution chamber outer wall, and the fluid-discharge tube runs through casing outer wall, the casing outer wall at standing groove top is opened there is the louvre, louvre outside installation closing plate, the casing installation starting and stopping mechanism of closing plate department, the inboard dry box of louvre installation.

Preferably, a plurality of elastic rubber hemisphere structure's of fixed mounting press from both sides tight pad on the inner wall of standing groove, place board, anticorrosive board and support column and make by PVC plastics, the articulated casing of one end of cap, installation matched with hinge is detained between the cap other end and casing, the cap is just opened there is the post hole to the position of standing groove.

Preferably, the tank bottom is hourglass hopper-shaped structure, the bottom of collecting tank and stock solution chamber is the slope structure, and the slope opposite direction, crooked hole is located the collecting tank bottom bottommost, the fluid-discharge tube is installed in the stock solution chamber and is kept away from the one end in crooked hole, and installs the valve on the fluid-discharge tube.

Preferably, the drying box includes the box body, box body blind end outer wall cup joints the inboard at the louvre through helicitic texture, the open end of box body cup joints the lid through helicitic texture, fill the drier between lid and box body inner chamber, box body and lid terminal surface all open and have a plurality of air vents.

Preferably, the starting and stopping mechanism is including accomodating the groove, it has the groove of accomodating to open in the casing in the outside of louvre, the inslot is being accomodate in the top joint of closing plate, accomodate the installation pressure spring between groove top inner wall and closing plate top, the casing internal fixation of louvre bottom cup joints a sealed section of thick bamboo, the joint piston slides in the sealed section of thick bamboo, the top fixed mounting ejector pin of piston, the top of ejector pin runs through a sealed section of thick bamboo and closely presses the bottom at the closing plate, the sealed section of thick bamboo intussuseption of piston bottom is filled with the evaporating liquid.

Preferably, the pressure spring is always in a compressed state, the inner wall of the shell at the bottom of the sealing cylinder is fixedly sleeved with a heat conduction block, and the heat conduction block is in close contact with the bottom of the outer wall of the sealing cylinder.

Compared with the prior art, the beneficial effects of the utility model are that: when electrolyte leakage occurs in the battery core, the electrolyte flows into the liquid collecting groove through the bottom of the placing groove and flows into the liquid storage cavity through the bent holes for storage, so that the electrolyte is prevented from corroding other intact battery cores; the evaporation liquid with the boiling point close to the highest working temperature of the battery is gasified and liquefied to serve as power of the starting and stopping mechanism, when the battery works and generates heat, the evaporation liquid is gasified, so that the sealing plate is opened through the ejector rod, heat dissipation is facilitated, when the battery does not work, the evaporation liquid is liquefied, so that the sealing plate seals the heat dissipation holes, and external humid air is prevented from entering the shell to overlook the lithium battery; after the louvre was opened, the air in the external air can get into in the casing, and the air flows through the air vent on box body and the lid this moment, is dried when flowing through the drier, guarantees to keep dry in the casing, avoids the lithium cell to receive damp and corrode.

Drawings

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

FIG. 2 is a schematic view of the cross-sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: the device comprises a shell 1, a shell cover 2, a placing plate 3, a placing groove 4, a supporting column 5, heat dissipation holes 6, a sealing plate 7, a drying box 8, a box body 81, a box cover 82, a drying agent 83, an opening and closing mechanism 9, a containing groove 91, a pressure spring 92, a push rod 93, a sealing cylinder 94, a piston 95, evaporative liquid 96, an anti-corrosion plate 10, a liquid collecting groove 11, a liquid storage cavity 12, a bent hole 13, a liquid discharge pipe 14 and a heat conduction block 15.

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, the present invention provides a technical solution: an anti-corrosion mounting shell of a lithium battery comprises a shell body 1, a shell cover 2 is mounted at the opening end of the shell body 1, a placing plate 3 is fixedly mounted in the inner cavity of the shell body 1, a plurality of placing grooves 4 are formed in the placing plate 3, supporting columns 5 are fixedly mounted at the bottoms of the placing grooves 4, an anti-corrosion plate 10 is fixedly mounted in the shell body 1 at the bottom of the placing plate 3, the top of the anti-corrosion plate 10 is tightly attached to the placing plate 3, and the top surface of the anti-corrosion plate 10 is provided with a liquid collecting groove 11, the bottom of the placing groove 4 is communicated with the liquid collecting groove 11, a liquid storage cavity 12 is arranged in the anti-corrosion plate 10 at the bottom of the liquid collecting groove 11, a bending hole 13 is arranged between the liquid collecting groove 11 and the liquid storage cavity 12, the outer wall of the liquid storage cavity 12 is fixedly sleeved with a liquid discharge pipe 14, and the liquid discharge pipe 14 runs through the outer wall of the shell 1, the outer wall of the shell 1 at the top of the placing groove 4 is provided with a heat dissipation hole 6, a sealing plate 7 is arranged outside the heat dissipation hole 6, an opening and closing mechanism 9 is arranged in the shell 1 at the position of the sealing plate 7, and a drying box 8 is arranged inside the heat dissipation hole 6. During the use, the battery core joint is fixed in standing groove 4, and support through support column 5, when the battery core takes place the electrolyte and reveals, the electrolyte flows into the collecting tank 11 through standing groove 4 bottom, and flow into the storage liquid chamber 12 through crooked hole 13 and store, avoid the electrolyte to corrode all the other intact battery cores, it is sealed through closing plate 7 when louvre 6 is flat, generate heat when the battery uses and lead to behind the temperature rising in the casing 1, operating mechanism 9 promotes closing plate 7 and opens, thereby dispel the heat through louvre 6, and when closing plate 7 opened, outside air can get into in the casing 1 through louvre 6, dry box 8 carries out the drying to the air that gets into, ensure that the inside of casing 1 keeps dry, avoid the battery to wet the corruption, thereby carry out good anticorrosive to the lithium cell.

The tight pad of the tight battery of a plurality of elastic rubber hemisphere structures of fixed mounting on the inner wall of standing groove 4, when pressing from both sides tight pad, make battery outer wall and 4 inner walls of standing groove leave the space, be convenient for electrolyte flow in the 4 bottoms of standing groove, place board 3, anticorrosive board 10 and support column 5 are made by PVC plastics, the articulated casing 1 of one end of cap 2, the matched with hinge of installation is detained between the 2 other ends of cap and casing 1, cap 2 is just opened there is the post hole to the position of standing groove 4.

Standing groove 4 bottom is hopper-shaped structure, be convenient for electrolyte inflow connects in liquid groove 11, the bottom of liquid groove 11 and stock solution chamber 12 is the slope structure, and the direction of slope is opposite, crooked hole 13 is located 11 bottoms of liquid groove, discharge tube 14 is installed in stock solution chamber 12 one end of keeping away from crooked hole 13, and install the valve on the discharge tube 14, then the slope of liquid groove 11 leads electrolyte to crooked hole 13, electrolyte 13 flows into stock solution chamber 12 along crooked hole 13, and stock solution chamber 12 slope direction is opposite with liquid groove 11, then the electrolyte flows to the one side of keeping away from crooked hole 13, thereby in avoiding casing 1 vibrations once more with electrolyte through crooked pipe 13 refluence to stock solution groove 11, the final gathering of electrolyte is in discharge tube 14 department, the later stage of being convenient for discharges.

Drying box 8 includes box body 81, box body 81 blind end outer wall cup joints the inboard at louvre 6 through helicitic texture, box body 81's open end cup joints lid 82 through helicitic texture, lid 82 and box body 81 inner chamber fill drier 83 within a definite time, box body 81 and lid 82 terminal surface have all been opened a plurality of air vents, then during the outside air gets into casing 1, the air vent on through box body 81 and lid 82 flows, by the drying when flowing through drier 83, the optional silica gel drier of drier 83, and box body 81 and lid 82 all can be dismantled, be convenient for change drier 83.

The opening and closing mechanism 9 comprises an accommodating groove 91, the accommodating groove 91 is formed in the shell 1 on the outer side of the heat dissipation hole 6, the top of the sealing plate 7 is clamped in the accommodating groove 91, a pressure spring 92 is installed between the inner wall of the top of the accommodating groove 91 and the top of the sealing plate 7, a sealing cylinder 94 is fixedly sleeved in the shell 1 at the bottom of the heat dissipation hole 6, a piston 95 is slidably clamped in the sealing cylinder 94, a push rod 93 is fixedly installed at the top of the piston 95, the top of the push rod 93 penetrates through the sealing cylinder 94 and is tightly pressed at the bottom of the sealing plate 7, an evaporation liquid 96 is filled in the sealing cylinder 94 at the bottom of the piston 95, the pressure spring 92 is always in a compression state, a heat conduction block 15 is fixedly sleeved at the inner wall of the shell 1 at the bottom of the sealing cylinder 94, the heat conduction block 15 is tightly contacted with the bottom of the outer wall of the sealing cylinder 94, the evaporation liquid 96 with a boiling point close to, when the temperature in the shell 1 rises due to the heat generated by the battery, the heat conduction block 15 transfers the heat to the sealing cylinder 91, the evaporated liquid 96 is evaporated and gasified by the heat, so that the piston 95 is pushed to move upwards, the ejector rod 93 pushes the sealing plate 7, so that the sealing plate 7 slides into the accommodating groove 91, the heat dissipation hole 6 is opened to facilitate heat dissipation, when the battery is not used, the temperature in the shell 1 drops, the evaporated liquid 96 liquefies, the piston 95 moves downwards, the ejector rod 93 moves downwards, the sealing plate 7 seals the heat dissipation hole 6 again under the pressure of the pressure spring 92 to isolate the outside air, so that the drying box 8 is prevented from losing efficacy due to continuous contact with the outside air, the consumption of the drying agent 83 is saved, and when the weather is cold, the heat dissipation hole 6 is sealed by the sealing plate 7 to facilitate the heat preservation in the shell 1, so that the lithium battery can not work at the temperature below zero, is beneficial to improving the performance of the lithium battery.

The working principle is as follows: when the utility model is used, the battery core is clamped and fixed in the placing groove 4 and supported by the supporting columns 5, when the battery core is exposed, the electrolyte flows into the liquid collecting tank 11 through the bottom of the placing groove 4 and flows into the liquid storage cavity 12 through the bent holes 13 to be stored, so as to avoid the electrolyte from corroding other intact battery cores, the evaporating liquid 96 is liquid with a boiling point close to the highest temperature when the battery is used, the evaporating liquid 96 is liquid at ordinary times, the piston 95 is positioned at the bottom of the sealing cylinder 94, the heat dissipation holes 6 are sealed by the sealing plate 7, when the temperature in the shell 1 is raised due to the heat generated by the battery work, the heat is transmitted to the sealing cylinder 91 by the heat conducting block 15, the evaporating liquid 96 is evaporated and gasified by heating, thereby the piston 95 is pushed to move upwards, the ejector rod 93 pushes the heat dissipation holes 7, so that the sealing plate 7 slides into the accommodating groove 91, then the heat, outside air can get into in the casing 1, the air flows through the air vent on box body 81 and the lid 82 this moment, by the drying when flowing through drier 83, ensure to keep dry in the casing 1, avoid the lithium cell to receive damp the corruption, when the battery does not use, the temperature descends in the casing 1, then evaporate liquid 96 liquefaction, piston 95 moves down, ejector pin 93 also moves down, then closing plate 7 seals louvre 6 once more under pressure spring 92 pressure, isolated outside humid air, it is out of order to avoid dry box 8 to continuously contact outside air, thereby practice thrift the quantity of drier 83, thereby carry out good anticorrosive protection to the lithium cell, and when the weather is cold, louvre 6 is sealed by closing plate 7 and is favorable to keeping warm in the casing 1, avoid the lithium cell to work at subzero temperature, be favorable to improving lithium cell performance.

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. An anticorrosive installation shell of lithium cell, includes casing (1), its characterized in that: the shell cover (2) is installed at the opening end of the shell (1), the placing plate (3) is fixedly installed in the inner cavity of the shell (1), the placing plate (3) is provided with a plurality of placing grooves (4), the bottom of each placing groove (4) is fixedly provided with a supporting column (5), the corrosion-resistant plate (10) is fixedly installed in the shell (1) at the bottom of the placing plate (3), the top of the corrosion-resistant plate (10) is tightly attached to the placing plate (3), the top surface of the corrosion-resistant plate (10) is provided with a liquid collecting groove (11), the bottom of each placing groove (4) is communicated with the liquid collecting groove (11), a liquid storage cavity (12) is formed in the corrosion-resistant plate (10) at the bottom of the liquid collecting groove (11), a bent hole (13) is formed between the liquid collecting groove (11) and the liquid storage cavity (12), the outer wall of the liquid storage cavity (12) is fixedly connected with a liquid drainage pipe (14), the liquid drainage pipe (14) penetrates through the outer wall of, sealing plate (7) is installed to louvre (6) outside, installation starting and stopping mechanism (9) in casing (1) of sealing plate (7) department, dry box (8) of louvre (6) inboard installation.

2. The lithium battery corrosion protection mounting enclosure of claim 1, wherein: the clamping pad of a plurality of elastic rubber hemisphere structures of fixed mounting on the inner wall of standing groove (4), place board (3), anticorrosive board (10) and support column (5) and make by PVC plastics, the articulated casing (1) of one end of cap (2), installation matched with hinge is detained between the cap (2) other end and casing (1), cap (2) just to the position of standing groove (4) open there is the utmost point post hole.

3. The lithium battery corrosion protection mounting enclosure of claim 1, wherein: standing groove (4) bottom is for leaking hopper-shaped structure, the bottom of collecting tank (11) and stock solution chamber (12) is the slope structure, and the incline direction is opposite, crooked hole (13) are located collecting tank (11) bottom, install the one end of keeping away from crooked hole (13) in stock solution chamber (12) fluid-discharge tube (14), and install the valve on fluid-discharge tube (14).

4. The lithium battery corrosion protection mounting enclosure of claim 1, wherein: the drying box (8) comprises a box body (81), the outer wall of the closed end of the box body (81) is sleeved on the inner side of the heat dissipation hole (6) through a threaded structure, the open end of the box body (81) is sleeved with a box cover (82) through a threaded structure, a drying agent (83) is filled between the inner cavities of the box cover (82) and the box body (81), and a plurality of air vents are formed in the end faces of the box body (81) and the box cover (82).

5. The lithium battery corrosion protection mounting enclosure of claim 1, wherein: opening and closing mechanism (9) are including accomodating groove (91), it accomodates groove (91) to have seted up in casing (1) in the outside of louvre (6), the top joint of closing plate (7) is in accomodating groove (91), install pressure spring (92) between accomodating groove (91) top inner wall and closing plate (7) top, sealed section of thick bamboo (94) is cup jointed to casing (1) internal fixation of louvre (6) bottom, sliding joint piston (95) in sealed section of thick bamboo (94), top fixed mounting ejector pin (93) of piston (95), the top of ejector pin (93) runs through sealed section of thick bamboo (94) and closely presses the bottom at closing plate (7), sealed section of thick bamboo (94) the intussuseption of piston (95) bottom is filled with evaporating liquid (96).

6. An anticorrosive mounting casing for a lithium battery according to claim 5, wherein: the pressure spring (92) is always in a compressed state, the inner wall of the shell (1) at the bottom of the sealing cylinder (94) is fixedly sleeved with a heat conduction block (15), and the heat conduction block (15) is in close contact with the bottom of the outer wall of the sealing cylinder (94).