CN217385767U - Battery safe use detection device - Google Patents

Abstract

The utility model discloses a battery safe usage detection device. It includes the box, the upper surface of box is equipped with the groove that charges, the opening part in groove that charges articulates has sealed upper cover, be equipped with the air discharge window on the lateral wall in groove that charges, the inslot that charges be equipped with air discharge window assorted anti-sputtering mechanism, anti-sputtering mechanism is including setting up the casing on the groove inner wall that charges, the casing cover in the outside of air discharge window and with the sealed fixed connection in groove that charges, be equipped with the casing opening on the lateral wall of casing, the inside of casing be equipped with casing opening assorted baffle, the baffle is just to the casing opening, the length and the width of baffle all are greater than casing open-ended length and width. The utility model has the advantages that: the harm to the surrounding environment and the human body is reduced; the anti-sputtering effect of the box body is improved; the discharged gas is well purified; has the advantages of compact structure, small volume and space saving; the explosion-proof capacity of the box body is improved; realize putting out a fire from many aspects, improved fire extinguishing efficiency.

Description

Battery safe use detection device

Technical Field

The utility model belongs to the technical field of the relevant technique of lithium cell charging and specifically relates to indicate a battery safe handling detection device.

Background

In recent years, lithium battery charging fire accidents are rising continuously, the lithium battery charging fire accidents are all randomly placed indoors for charging, inferior chargers and storage batteries are randomly used, and no charging protection device is caused; once the lithium battery is overcharged and ignited, the lithium battery can quickly sputter and spread to ignite surrounding combustible substances, so that a larger fire is caused, and a large amount of toxic gas is released to cause damage.

Chinese patent grant publication no: CN106340602A, authorized announcement date 2017, 01 month 18, discloses a vehicle battery charge-discharge explosion-proof box, including the box, the box middle part transversely is provided with the baffle that is used for laying the battery, is formed with the fire-extinguishing medium cavity below the baffle, still is provided with baffle control switch on the box, and baffle control switch can control the baffle and open and make the battery on it fall into in the fire-extinguishing medium cavity. The patent has the disadvantage that when the battery is burnt or exploded, a large amount of gas, liquid and solid can be violently splashed outwards through the pressure relief holes, and the surrounding environment and human bodies are polluted or injured.

In view of the foregoing, there is a need for a device for detecting the safe use of a battery having a sputtering prevention function.

SUMMERY OF THE UTILITY MODEL

The utility model relates to an overcome among the prior art when the battery burning or explode, have a large amount of gas, liquid, solid through the violent outside sputtering in pressure release hole, pollute or harm the peripheral environment and the not enough of human body, provide one kind can reduce the battery safe handling detection device to the injury of all ring edge borders and human body.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a detection device for safe use of a battery comprises a box body, wherein a charging groove is arranged on the upper surface of the box body, a sealing upper cover is hinged to the opening of the charging groove, an exhaust window is arranged on the side wall of the charging groove, an anti-sputtering mechanism matched with the exhaust window is arranged in the charging groove, the anti-sputtering mechanism comprises a shell arranged on the inner wall of the charging groove, the shell covers the outer side of the exhaust window and is fixedly connected with the charging groove in a sealing manner, a shell opening is arranged on the side wall of the shell, a partition plate matched with the shell opening is arranged in the shell and is right opposite to the shell opening, the length and the width of the partition plate are both greater than the length and the width of the shell opening, the shell opening is positioned on the bottom surface of the shell and is close to one side of the inner wall of the charging groove, the partition plate is fixed between the shell opening and the exhaust window, and the length of the partition plate is matched with the length of the shell, one side of the partition plate is fixed on the inner wall of the charging groove in a sealing mode, the other side of the partition plate is fixed with a turning plate, the turning plate faces the opening direction of the charging groove, the length of the turning plate is matched with that of the shell, and the top edge of the turning plate is located above the top edge of the exhaust window.

The lithium battery is placed into the charging groove through the opening of the charging groove for charging, and the upper sealing cover covers the opening of the charging groove during charging. When the battery burns or explodes, a large amount of gas that produces can loop through casing opening and exhaust window and outwards discharge, avoids the atmospheric pressure in the box too high and leads to the box explosion, and the security is high. The solid and liquid splashed around are completely blocked by the partition plate at the opening of the shell, and cannot be splashed to the outside of the box body through the exhaust window, so that the damage to the surrounding environment and human bodies is greatly reduced. Through the design with the casing opening in the bottom surface of casing, greatly reduced the solid of sputtering everywhere and the possibility that liquid passes through the casing opening, rethread baffle and the design of turning over the board block the exhaust window from bottom surface and side respectively, even have solid and liquid can pass through the casing opening, also can't sputter away from the exhaust window, further improved the anti-sputtering effect of box, greatly reduced the injury to all ring edge borders and human body.

Preferably, a plurality of smoke filters are arranged in parallel from top to bottom in the exhaust window, the smoke filters incline from an outer opening of the exhaust window to an inner opening of the exhaust window towards an opening of the charging slot, the sum of the heights of all the smoke filters in the vertical direction is greater than the height of the exhaust window, the top edge of the uppermost smoke filter is located above the top edge of the exhaust window, and the bottom edge of the lowermost smoke filter is located below the bottom edge of the exhaust window. The smoke filter plate can be made of active carbon materials, can effectively adsorb pollution particles such as smoke in gas and has good purification effect on discharged gas. Through the position design of straining the cigarette board, increased gaseous area of contact with straining the cigarette board on the one hand, improved purifying effect, on the other hand then can guide gaseous discharge towards the ground, avoids direct discharge to peripheral environment and human body, has further improved the security.

Preferably, be equipped with inflation bag mounting groove on the lateral wall in groove that charges, inflation bag mounting groove is located the inboard of casing, install the inflation bag in the inflation bag mounting groove, be equipped with on the bottom surface in inflation bag mounting groove with the inflation bag of opening assorted inflation bag through-hole, the sealed edge of opening of inflation bag is fixed in the outer opening edge department of inflation bag through-hole, the seal membrane is installed to the interior opening department of inflation bag through-hole. The expansion bag is folded and placed in the expansion bag mounting groove in a natural state, and the expansion bag has the advantages of compact structure, small volume and space saving. The expansion bag can be made of nylon materials, so that on one hand, the expansion bag is high in tensile strength, on the other hand, the expansion bag is good in extensibility and can be unfolded quickly. When too much gas generated by battery combustion or explosion leads to the exhaust window not to be exhausted, the sealing film can be broken by strong air pressure, part of gas (unpurified) can be temporarily introduced into the expansion bag through the through hole of the expansion bag to relieve the high air pressure state in the box body, and after the air pressure in the box body is reduced, the gas in the expansion bag is exhausted out of the box body through the exhaust window (purified by the smoke filter plate), so that the explosion-proof capability of the box body is further improved. The sealing film can be made of aluminum foils with different thicknesses according to the bearing capacity of the box body.

As preferred, be equipped with the baffle in the charging groove, install articulated seat on the inner wall of one of them side of charging groove, one side of baffle is installed on articulated seat and is connected rather than rotating, install the opposite side assorted limiting plate with the baffle on the inner wall of charging groove opposite side, limiting plate and articulated seat are located same horizontal plane, the charging groove is equipped with fire-extinguishing liquid, fire-extinguishing liquid's liquid level is located the below of articulated seat, fire-extinguishing liquid's liquid level is located the below of casing. The fire extinguishing liquid can be centralized drinking water source and industrial and agricultural water. When charging, firstly, fire extinguishing liquid is injected into the box, then the other side of the baffle is lifted to the horizontal position of the baffle, the baffle is clamped through the limiting plate for limiting, and then the battery is placed on the baffle for charging. When the burning risk appears in the battery, the limiting plate is automatic to be cancelled the spacing of baffle, and the battery is put out a fire in the automatic liquid of falling to putting out a fire under the effect of gravity, prevents the battery explosion, ensures peripheral life and property safety.

Preferably, a limiting plate notch is arranged on the upper surface of the limiting plate and at one end of the limiting plate, a rotating clamping plate matched with the other side of the baffle is arranged in the gap of the limiting plate, a fixed column is fixed in the gap of the limiting plate, one side of the rotating clamping plate is provided with a hinge hole matched with the fixed column, one side of the rotating clamping plate is arranged in the gap of the limiting plate through the matching of the hinge hole and the fixed column and is rotationally connected with the gap, the other side of the rotating clamping plate is arranged outside the gap of the limiting plate and is matched with the other side of the baffle, a control box is arranged on the inner wall of the other side of the charging groove, a controller and a limiting plate control mechanism are arranged in the control box, the controller is connected with the limiting plate control mechanism, the other end of the limiting plate penetrates through the side wall of the control box and is connected with the limiting plate control mechanism, and the limiting plate is movably connected with the control box through the limiting plate control mechanism. Through the shape design of limiting plate breach and the design of rotation cardboard for the staff can carry out upwards to the baffle smoothly and draw, and after the baffle was drawn to the horizontal position, it can be spacing to rotate the opposite side that the cardboard withstood the baffle again automatically. Wherein the controller can detect whether the burning risk appears in the battery, when the controller detects the battery and appears burning risk, the action of limiting plate control mechanism is controlled to the controller, drives the limiting plate and keeps away from the baffle, makes the cardboard that rotates throw off the baffle, and the spacing of baffle disappears this moment, and the battery is put out a fire in the automatic dropping fire extinguishing liquid under the effect of gravity, prevents the battery explosion, ensures peripheral life and property safety. Simple structure and convenient control.

As preferred, limiting plate control mechanism is including fixing the fixed block in the control box inside, the inside of fixed block is equipped with limiting plate activity chamber, limiting plate activity intracavity swing joint has the iron core to move, the other end of limiting plate is arranged limiting plate activity intracavity and is fixed in the one side of moving the iron core, it is connected through reset spring between the another side of iron core and the end wall in limiting plate activity chamber to move, limiting plate and limiting plate activity chamber swing joint, the inside of fixed block still is equipped with induction coil, induction coil is located the outside in limiting plate activity chamber, induction coil and controller electricity are connected. When the controller detects that the battery appears the burning risk, the controller is automatic to induction coil circular telegram, produces induction magnetic field, drives movable iron core and moves towards the direction of keeping away from the baffle in limiting plate activity intracavity, and then drives the also synchronous motion of limiting plate, keeps away from the baffle, makes to rotate the cardboard and throw off the baffle, and the spacing of baffle disappears this moment, and the battery is put out a fire in the automatic fire extinguishing fluid that falls under the effect of gravity, prevents the battery explosion, ensures peripheral life and property safety. The reset spring can play the role of automatic reset of the movable iron core (limit plate).

Preferably, a charging stand is installed on the side wall of the control box, a socket and a fixing pipe are arranged on the surface of the charging stand, the end surface of one end of the fixed tube is fixed on the surface of the charging table, the socket is positioned at the inner side of the fixed tube and is electrically connected with the controller, the side wall of the fixed pipe is provided with a plurality of compression bar through holes which are distributed in a ring shape relative to the central axis of the fixed pipe and are all positioned in the same plane, a pressure bar is connected in the pressure bar through hole in a sliding way, a pressure bar resetting device connected with the pressure bar is arranged in the pressure bar through hole, the length of the pressure bar is greater than that of the pressure bar through hole, a flexible pressure block is fixed on one end of the pressure bar close to the central axis of the fixed pipe, the outer side of the fixed pipe is sleeved with a compression ring, the compression ring is movably connected with the fixed pipe, and a guide inclined plane matched with the compression bar is arranged on the inner wall of the compression ring. The inner wall of the through hole of the pressure rod is provided with a side sliding groove, a side sliding block matched with the side sliding groove is fixed on the pressure rod, the side sliding block is arranged in the side sliding groove and is in sliding connection with the side sliding groove, the pressure rod reset device comprises a pressure rod reset spring arranged in the side sliding groove, one end of the pressure rod reset spring is fixed on the end wall of the side sliding groove, and the other end of the pressure rod reset spring is fixed on the side sliding block and is used for automatic reset of the pressure rod. Under the natural state, the clamp ring is located the outside of depression bar, and all depression bars all are in the position of being close to fixed pipe axis under the pressure effect of clamp ring, and depression bar reset spring is in tensile state this moment. During charging, the storage battery is placed on the baffle plate, and then the plug of the storage battery charger extends into the fixed pipe and is inserted into the socket for charging (the plug and the jack on the socket adopt clearance fit, and the plug can be inserted into the jack for charging, but has no fixed action on the plug, and is fixed by flexible pressing blocks (rubber) on the pressing rod from the periphery to the plug, so that the fixing effect is good). When the burning risk appears in the battery, the spacing disappearance of baffle, the battery is put out a fire in the automatic dropping liquid of putting out a fire under the effect of gravity, the clamp ring also takes place the motion on fixed pipe simultaneously, remove from depression bar department, the depression bar then moves towards the direction of keeping away from fixed pipe axis under depression bar reset spring's the effect of restoring to the throne, the depression bar disappears to the fixed of plug this moment, the plug breaks away from on the socket automatically, make the battery and the platform that charges break off at the very first time, the security has further been improved. The automatic of being convenient for the plug drops, is equipped with the slope on the charging platform, and the domatic bottom towards the charging groove on this slope, fixed pipe and socket are all installed on the slope, and the depression bar is when loosening the plug, and the plug can drop from the socket automatically under the effect of gravity.

Preferably, the compression bar through hole is located at the position close to the other end of the fixed pipe, the fixed pipe is located above the limiting plate, a first pressing plate is fixed on the upper surface of the limiting plate, a second pressing plate matched with the first pressing plate is fixed on the compression ring, the second pressing plate is arranged between the control box and the first pressing plate, a compression ring reset device connected with the compression ring is further arranged on the charging table, and the guide inclined plane inclines towards the central axis direction of the compression ring from the side, away from the charging table, of the compression ring to the side, close to the charging table, of the compression ring. The clamp ring resetting device comprises a reset spring sleeved on the fixed pipe, one end of the reset spring is connected with the charging table, and the other end of the reset spring is connected with the clamp ring, so that the automatic resetting effect of the clamp ring is achieved. When the battery has a combustion risk, the limiting plate moves towards the direction far away from the baffle under the action of the limiting plate control mechanism, the limiting of the baffle is relieved, and the battery automatically falls into fire extinguishing liquid under the action of gravity to extinguish fire; the pressing plate I on the limiting plate pushes the pressing plate II to perform synchronous motion, and then the pressing ring is driven to move away from the pressing rod, so that the pressing rod moves towards the direction far away from the central axis of the fixed pipe under the reset action of the pressing rod reset spring, the fixing of the pressing rod to the plug disappears, the plug is automatically separated from the socket, and the battery and the charging table can be disconnected at the first time. Simple structure, control is convenient, has dual fail-safe effect, has further improved the security.

Preferably, an auxiliary fire extinguishing device and a sensor assembly are further arranged in the charging groove, the sensor assembly is connected with a controller, and the controller is connected with the auxiliary fire extinguishing device. The sensor assembly can comprise a smoke sensor, a temperature sensor, an audible and visual alarm, a voltage monitoring device and the like, and the ignition risk of the battery is judged by detecting the state in the charging tank in real time in multiple aspects. The auxiliary fire extinguishing means may comprise aerosol fire extinguishing means or the like. When the sensor assembly detects that the battery has a risk of catching fire, the sensor assembly automatically sends a signal of catching fire to the controller (electric cabinet), and the controller receives the signal and then the side is electrified to the induction coil to drive the limiting plate to work, and the other side controls the auxiliary fire extinguishing device to work, so that fire extinguishment is realized from multiple aspects, and the fire extinguishing efficiency is improved.

The utility model has the advantages that: the safety is high; the harm to the surrounding environment and the human body is reduced; the anti-sputtering effect of the box body is improved; the discharged gas is well purified; the purification effect is improved; has the advantages of compact structure, small volume and space saving; the explosion-proof capacity of the box body is improved; the plug fixing effect is good; realize putting out a fire from many aspects, improved fire extinguishing efficiency.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is a schematic view of the structure at C in FIG. 3;

FIG. 5 is a cross-sectional view taken at B-B of FIG. 2;

FIG. 6 is a schematic view of the internal structure at D in FIG. 5;

fig. 7 is a schematic view of the internal structure at E in fig. 5.

In the figure: 1. the fire extinguishing box comprises a box body, 2 parts of a charging groove, 3 parts of a sealing upper cover, 4 parts of an exhaust window, 5 parts of a shell, 6 parts of a shell opening, 7 parts of a partition plate, 8 parts of a turning plate, 9 parts of a smoke filter plate, 10 parts of an expansion bag installation groove, 11 parts of an expansion bag, 12 parts of an expansion bag through hole, 13 parts of a sealing film, 14 parts of a baffle plate, 15 parts of a hinged seat, 16 parts of a limiting plate, 17 parts of fire extinguishing liquid, 18 parts of a limiting plate notch, 19 parts of a rotating clamping plate, 20 parts of a fixed column, 21 parts of a hinged hole, 22 parts of a control box, 23 parts of a controller, 24 parts of a fixed block, 25 parts of a limiting plate movable cavity, 26 parts of a movable iron core, 27 parts of an induction coil, 28 parts of a charging platform, 29 parts of a socket, 30 parts of a fixed tube, 31 parts of a pressure rod through hole, 32 parts of a pressure rod, 33 parts of a flexible pressing block, 34 parts of a pressing ring, 35 parts of a guide inclined plane, 36 parts of a pressure plate I, 37. and a second pressure plate 38, an auxiliary fire extinguishing device 39, a sensor assembly 40 and a return spring.

Detailed Description

The invention is further described with reference to the accompanying drawings and the detailed description.

In the embodiment shown in fig. 1 and 2, a device for detecting safe use of a battery comprises a box body 1, a charging slot 2 is arranged on the upper surface of the box body 1, a sealing upper cover 3 is hinged at the opening of the charging slot 2, an exhaust window 4 is arranged on the side wall of the charging slot 2, an anti-sputtering mechanism matched with the exhaust window 4 is arranged in the charging slot 2, as shown in fig. 3 and 4, the anti-sputtering mechanism comprises a shell 5 arranged on the inner wall of the charging slot 2, the shell 5 covers the outer side of the exhaust window 4 and is fixedly connected with the charging slot 2 in a sealing way, a shell opening 6 is arranged on the side wall of the shell 5, a partition plate 7 matched with the shell opening 6 is arranged inside the shell 5, the partition plate 7 is opposite to the shell opening 6, the length and the width of the partition plate 7 are both greater than those of the shell opening 6, as shown in fig. 3 and 4, the shell opening 6 is arranged on the bottom surface of the shell 5 and is close to one side of the inner wall of the charging slot 2, the baffle 7 is fixed between casing opening 6 and exhaust window 4, the length of baffle 7 and the length phase-match of casing 5, and one side of baffle 7 is sealed to be fixed on the inner wall of charging groove 2, and the opposite side of baffle 7 is fixed with turns over board 8, turns over board 8 and faces the opening direction of charging groove 2, turns over the length of board 8 and the length phase-match of casing 5, turns over the top edge of board 8 and is located the top of exhaust window 4 topside.

As shown in fig. 3 and 4, a plurality of smoke filters 9 are arranged in parallel from top to bottom in the exhaust window 4, the smoke filters 9 are inclined from the outer opening of the exhaust window 4 to the inner opening of the exhaust window 4 toward the opening of the charging slot 2, the sum of the heights of all the smoke filters 9 in the vertical direction is greater than the height of the exhaust window 4, the top edge of the uppermost smoke filter 9 is located above the top edge of the exhaust window 4, and the bottom edge of the lowermost smoke filter 9 is located below the bottom edge of the exhaust window 4.

As shown in fig. 3 and 4, an expansion bag mounting groove 10 is formed in the outer side wall of the charging tank 2, the expansion bag mounting groove 10 is located on the inner side of the casing 5, an expansion bag 11 is mounted in the expansion bag mounting groove 10, an expansion bag through hole 12 matched with the opening of the expansion bag 11 is formed in the bottom surface of the expansion bag mounting groove 10, the opening edge of the expansion bag 11 is fixed at the outer opening edge of the expansion bag through hole 12 in a sealing manner, and a sealing film 13 is mounted at the inner opening of the expansion bag through hole 12.

As shown in fig. 2 and 5, a baffle 14 is arranged in the charging tank 2, an articulated seat 15 is arranged on the inner wall of one side of the charging tank 2, one side of the baffle 14 is arranged on the articulated seat 15 and is rotatably connected with the articulated seat, a limiting plate 16 matched with the other side of the baffle 14 is arranged on the inner wall of the other side of the charging tank 2, the limiting plate 16 and the articulated seat 15 are positioned on the same horizontal plane, fire extinguishing liquid 17 is arranged in the charging tank 2, the liquid level of the fire extinguishing liquid 17 is positioned below the articulated seat 15, and the liquid level of the fire extinguishing liquid 17 is positioned below the shell 5.

As shown in fig. 5 and 7, a limiting plate notch 18 is formed in the upper surface of the limiting plate 16 and located at one end of the limiting plate 16, a rotating catch plate 19 matched with the other side of the baffle 14 is installed in the limiting plate notch 18, a fixed column 20 is fixed in the limiting plate notch 18, a hinge hole 21 matched with the fixed column 20 is formed in one side of the rotating catch plate 19, one side of the rotating catch plate 19 is installed in the limiting plate notch 18 through the cooperation of the hinge hole 21 and the fixed column 20 and is rotatably connected with the limiting plate notch 18, the other side of the rotating catch plate 19 is arranged outside the limiting plate notch 18 and is matched with the other side of the baffle 14, a control box 22 is arranged on the inner wall of the other side of the charging groove 2, a controller 23 and a limiting plate control mechanism are arranged inside the control box 22, the controller 23 is connected with the limiting plate control mechanism, and the other end of the limiting plate 16 passes through the side wall of the control box 22 and is connected with the limiting plate control mechanism, the limiting plate 16 is movably connected with the control box 22 through a limiting plate control mechanism.

As shown in fig. 5 and 7, the limiting plate control mechanism includes a fixed block 24 fixed inside the control box 22, a limiting plate moving cavity 25 is arranged inside the fixed block 24, a moving iron core 26 is movably connected inside the limiting plate moving cavity 25, the other end of the limiting plate 16 is arranged inside the limiting plate moving cavity 25 and fixed on one surface of the moving iron core 26, the other surface of the moving iron core 26 is connected with the end wall of the limiting plate moving cavity 25 through a return spring 40, the limiting plate 16 is movably connected with the limiting plate moving cavity 25, an induction coil 27 is further arranged inside the fixed block 24, the induction coil 27 is located outside the limiting plate moving cavity 25, and the induction coil 27 is electrically connected with the controller 23.

As shown in fig. 5 and 6, a charging stand 28 is installed on a side wall of the control box 22, a socket 29 and a fixing tube 30 are installed on a surface of the charging stand 28, an end face of one end of the fixing tube 30 is fixed on the surface of the charging stand 28, the socket 29 is located on an inner side of the fixing tube 30 and electrically connected with the controller 23, a plurality of pressure bar through holes 31 are formed in the side wall of the fixing tube 30, the pressure bar through holes 31 are annularly distributed about a central axis of the fixing tube 30 and are all located in the same plane, pressure bars 32 are slidably connected in the pressure bar through holes 31, a pressure bar resetting device connected with the pressure bars 32 is arranged in the pressure bar through holes 31, the length of the pressure bars 32 is greater than that of the pressure bar through holes 31, a flexible pressure block 33 is fixed on one end of the pressure bars 32 close to the central axis of the fixing tube 30, a compression ring 34 is sleeved on an outer side of the fixing tube 30, the compression ring 34 is movably connected with the fixing tube 30, and a guide inclined plane 35 matched with the compression bar 32 is arranged on an inner wall of the compression ring 34.

As shown in fig. 5 and 6, the pressure lever through hole 31 is located at a position close to the other end of the fixed pipe 30, the fixed pipe 30 is located above the limit plate 16, the first pressure plate 36 is fixed on the upper surface of the limit plate 16, the second pressure plate 37 matched with the first pressure plate 36 is fixed on the compression ring 34, the second pressure plate 37 is placed between the control box 22 and the first pressure plate 36, the charging stand 28 is further provided with a compression ring resetting device connected with the compression ring 34, and the guide inclined plane 35 inclines towards the central axis direction of the compression ring 34 from the side of the compression ring 34 away from the charging stand 28 to the side of the compression ring 34 close to the charging stand 28.

As shown in fig. 5, an auxiliary fire extinguishing device 38 and a sensor assembly 39 are further provided in the charging chute 2, the sensor assembly 39 is connected to the controller 23, and the controller 23 is connected to the auxiliary fire extinguishing device 38.

An external power socket is arranged outside the surface of the control box 22 and electrically connected with the controller 23, and the external power socket is used for connecting commercial power to supply power to the box body 1. The bottom of the charging tank 2 is provided with a drain valve, so that fire extinguishing liquid is conveniently discharged and replaced.

The utility model discloses available rechargeable battery: batteries for electric vehicles, electric tools, mobile phones, and the like.

The working principle is as follows:

before charging, fire extinguishing liquid is injected into the charging groove 2, then the other side of the baffle plate 14 is lifted to the position where the baffle plate 14 is horizontal, the other side of the baffle plate 14 is automatically propped against through the rotating clamping plate 19 on the limiting plate 16 for limiting, and then the battery is placed on the baffle plate 14.

In a natural state, the compression ring 34 is located outside the compression rods 32, all the compression rods 32 are located at positions close to the central axis of the fixed pipe 30 under the pressure action of the compression ring 34, and at the moment, the compression rod return spring (compression rod return device) is in a stretching state. During charging, the plug of the storage battery charger extends into the fixed pipe 30 and is inserted into the socket 29 to be charged (the plug and the jack on the socket 29 are in clearance fit, the plug can be inserted into the jack to be charged, but the plug is not fixed, and the plug is fixed from the periphery by the flexible pressing block 33 (rubber) on the pressing rod 32, so that the fixing effect is good).

When the sensor assembly 39 detects that the battery is in fire risk, a fire signal is automatically sent to the controller 23 (electric control box), and after the controller 23 receives the signal, on one hand, the controller controls the auxiliary fire extinguishing device 38 to work, and fire extinguishing medium is discharged to extinguish the fire; on the other hand, the controller 23 automatically energizes the induction coil 27 to generate an induction magnetic field, which drives the movable iron core 26 to move in the movable cavity 25 of the limit plate in the direction away from the baffle 14, and further drives the limit plate 16 to move synchronously, and the limit plate is far away from the baffle 14, so that the rotating clamping plate 19 is separated from the baffle 14, the limit of the baffle 14 disappears, the battery automatically falls into the fire extinguishing liquid 17 under the action of gravity to extinguish the fire, in the process of the movement of the limit plate 16, the first pressing plate 36 on the limit plate 16 pushes the second pressing plate 37 to move synchronously, and then the compression ring 34 is driven to move on the fixed pipe 30 and move away from the compression rod 32, so that the compression rod 32 moves towards the direction far away from the central axis of the fixed pipe 30 under the reset action of a compression rod reset spring (compression rod reset device), at the moment, the compression rod 32 is fixed to the plug and the plug is automatically separated from the socket 29, and the battery and the charging platform 28 can be disconnected at the first time.

A large amount of gas generated during the combustion or explosion of the battery can be discharged outwards through the shell opening 6 and the exhaust window 4 in sequence, and solid and liquid sputtered at four positions are completely blocked by the partition plate 7 and the turning plate 8 and cannot be sputtered to the outside of the box body through the exhaust window 4. When the gas passes through the exhaust window 4, the smoke filter 9 on the exhaust window 4 can effectively adsorb pollution particles such as smoke in the gas and play a good purification role on the exhausted gas, and on the other hand, the smoke filter can guide the gas to be exhausted towards the ground so as to avoid directly exhausting the gas to the surrounding environment and human body.

When too much gas generated by the battery combustion or explosion causes the exhaust window 4 not to be exhausted in time, the strong gas pressure can break through the sealing film 13, a part of gas (unpurified) can be temporarily introduced into the expansion bag 11 through the expansion bag through hole 12 to relieve the high gas pressure state in the box body 1, and after the gas pressure in the box body 1 is reduced, the gas in the expansion bag 11 is exhausted out of the box body 1 through the exhaust window 4 (purified by the smoke filter 9).

Claims (9)

1. The detection device for the safe use of the battery is characterized by comprising a box body (1), wherein a charging groove (2) is formed in the upper surface of the box body (1), a sealing upper cover (3) is hinged to an opening of the charging groove (2), an exhaust window (4) is formed in the side wall of the charging groove (2), an anti-sputtering mechanism matched with the exhaust window (4) is arranged in the charging groove (2), the anti-sputtering mechanism comprises a shell (5) arranged on the inner wall of the charging groove (2), the shell (5) covers the outer side of the exhaust window (4) and is fixedly connected with the charging groove (2) in a sealing manner, a shell opening (6) is formed in the side wall of the shell (5), a partition plate (7) matched with the shell opening (6) is arranged in the shell (5), the partition plate (7) is opposite to the shell opening (6), and the length and width of the partition plate (7) are both greater than those of the shell opening (6), the utility model discloses a charging device, including casing opening (6), baffle (7), board (8), turning over board (8), the opening direction of turning over board (8) towards charging groove (2), the length of turning over board (8) and the length phase-match of casing (5), the length of turning over the top edge of board (8) and the length phase-match of casing (5), the casing opening (6) are located the bottom surface of casing (5) and are close to one side of charging groove (2) inner wall, baffle (7) are fixed between casing opening (6) and exhaust window (4), the length of baffle (7) and the length phase-match of casing (5), the top edge of turning over board (8) is located the top of exhaust window (4).

2. The battery safe use detection device according to claim 1, wherein a plurality of smoke filter plates (9) are arranged in parallel from top to bottom in the exhaust window (4), the smoke filter plates (9) are inclined from the outer opening of the exhaust window (4) to the inner opening of the exhaust window (4) towards the opening of the charging slot (2), the sum of the heights of all the smoke filter plates (9) in the vertical direction is greater than the height of the exhaust window (4), the top edge of the uppermost smoke filter plate (9) is positioned above the top edge of the exhaust window (4), and the bottom edge of the lowermost smoke filter plate (9) is positioned below the bottom edge of the exhaust window (4).

3. The battery safe use detection device according to claim 1, wherein an expansion bag mounting groove (10) is formed in the outer side wall of the charging groove (2), the expansion bag mounting groove (10) is located on the inner side of the shell (5), an expansion bag (11) is mounted in the expansion bag mounting groove (10), an expansion bag through hole (12) matched with the opening of the expansion bag (11) is formed in the bottom surface of the expansion bag mounting groove (10), the opening edge of the expansion bag (11) is fixed at the outer opening edge of the expansion bag through hole (12) in a sealing mode, and a sealing film (13) is mounted at the inner opening of the expansion bag through hole (12).

4. The battery safe use detection device according to claim 1, characterized in that, be equipped with baffle (14) in charging groove (2), charging groove (2) installs articulated seat (15) on the inner wall of one side wherein, one side of baffle (14) is installed on articulated seat (15) and is connected rather than rotating, install on the inner wall of charging groove (2) opposite side with baffle (14) opposite side assorted limiting plate (16), limiting plate (16) and articulated seat (15) are located same horizontal plane, be equipped with fire-extinguishing liquid (17) in charging groove (2), the liquid level of fire-extinguishing liquid (17) is located the below of articulated seat (15), the liquid level of fire-extinguishing liquid (17) is located the below of casing (5).

5. The battery safe use detection device according to claim 4, characterized in that a limiting plate notch (18) is arranged on the upper surface of the limiting plate (16) and at one end of the limiting plate (16), a rotating clamping plate (19) matched with the other side of the baffle (14) is arranged in the limiting plate notch (18), a fixing column (20) is fixed in the limiting plate notch (18), a hinge hole (21) matched with the fixing column (20) is arranged at one side of the rotating clamping plate (19), one side of the rotating clamping plate (19) is arranged in the limiting plate notch (18) through the matching of the hinge hole (21) and the fixing column (20) and is rotatably connected with the rotating clamping plate, the other side of the rotating clamping plate (19) is arranged outside the limiting plate notch (18) and matched with the other side of the baffle (14), a control box (22) is arranged on the inner wall of the other side of the charging groove (2), the novel multifunctional electric heating cooker is characterized in that a controller (23) and a limiting plate control mechanism are arranged inside the control box (22), the controller (23) is connected with the limiting plate control mechanism, the other end of the limiting plate (16) penetrates through the side wall of the control box (22) and is connected with the limiting plate control mechanism, and the limiting plate (16) is movably connected with the control box (22) through the limiting plate control mechanism.

6. The battery safety usage detection device according to claim 5, wherein the limiting plate control mechanism comprises a fixing block (24) fixed inside the control box (22), a limiting plate moving cavity (25) is arranged inside the fixed block (24), a moving iron core (26) is movably connected in the limiting plate moving cavity (25), the other end of the limit plate (16) is arranged in the limit plate movable cavity (25) and fixed on one surface of the movable iron core (26), the other surface of the movable iron core (26) is connected with the end wall of the movable cavity (25) of the limit plate through a return spring (40), the limiting plate (16) is movably connected with the limiting plate moving cavity (25), the fixed block (24) is also internally provided with an induction coil (27), the induction coil (27) is positioned at the outer side of the limiting plate moving cavity (25), and the induction coil (27) is electrically connected with the controller (23).

7. The battery safe use detection device according to claim 6, wherein a charging stand (28) is installed on a side wall of the control box (22), a socket (29) and a fixed tube (30) are arranged on the surface of the charging stand (28), an end face of one end of the fixed tube (30) is fixed on the surface of the charging stand (28), the socket (29) is located on the inner side of the fixed tube (30) and electrically connected with the controller (23), a plurality of pressure lever through holes (31) are arranged on the side wall of the fixed tube (30), the pressure lever through holes (31) are annularly distributed about a central axis of the fixed tube (30) and are all located in the same plane, a pressure lever (32) is slidably connected in the pressure lever through hole (31), a pressure lever reset device connected with the pressure lever (32) is arranged in the pressure lever through hole (31), and the length of the pressure lever (32) is greater than that of the pressure lever through hole (31), depression bar (32) are close to one of fixed pipe (30) axis and serve and be fixed with flexible briquetting (33), the outside cover of fixed pipe (30) has clamp ring (34), clamp ring (34) and fixed pipe (30) swing joint, be equipped with on the inner wall of clamp ring (34) with depression bar (32) assorted direction inclined plane (35).

8. The battery safe use detection device according to claim 7, wherein the pressure lever through hole (31) is located at a position close to the other end of the fixed pipe (30), the fixed pipe (30) is located above the limiting plate (16), the first pressure plate (36) is fixed on the upper surface of the limiting plate (16), the second pressure plate (37) matched with the first pressure plate (36) is fixed on the compression ring (34), the second pressure plate (37) is arranged between the control box (22) and the first pressure plate (36), the charging table (28) is further provided with a compression ring resetting device connected with the compression ring (34), and the guide inclined plane (35) inclines towards the central axis direction of the compression ring (34) from the side, far away from the charging table (28), of the compression ring (34) to the side, close to the charging table (28), of the compression ring (34).

9. The battery safety use detection device according to claim 5, wherein an auxiliary fire extinguishing device (38) and a sensor assembly (39) are further arranged in the charging slot (2), the sensor assembly (39) is connected with the controller (23), and the controller (23) is connected with the auxiliary fire extinguishing device (38).

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