CN115036634A - Household charging explosion-proof device for lithium battery of electric vehicle - Google Patents

Household charging explosion-proof device for lithium battery of electric vehicle Download PDF

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Publication number
CN115036634A
CN115036634A CN202210757824.8A CN202210757824A CN115036634A CN 115036634 A CN115036634 A CN 115036634A CN 202210757824 A CN202210757824 A CN 202210757824A CN 115036634 A CN115036634 A CN 115036634A
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China
Prior art keywords
explosion
proof
fixedly connected
sliding
plate
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Withdrawn
Application number
CN202210757824.8A
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Chinese (zh)
Inventor
渠伟伟
李猛
王晓勇
廉乐
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Xuzhou Yema Lithium Technology Co ltd
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Xuzhou Yema Lithium Technology Co ltd
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Priority to CN202210757824.8A priority Critical patent/CN115036634A/en
Publication of CN115036634A publication Critical patent/CN115036634A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/07Fire prevention, containment or extinguishing specially adapted for particular objects or places in vehicles, e.g. in road vehicles
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C3/00Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62CFIRE-FIGHTING
    • A62C35/00Permanently-installed equipment
    • A62C35/02Permanently-installed equipment with containers for delivering the extinguishing substance
    • A62C35/11Permanently-installed equipment with containers for delivering the extinguishing substance controlled by a signal from the danger zone
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/256Carrying devices, e.g. belts
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • H01M50/264Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/289Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/298Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02TCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00Road transport of goods or passengers
    • Y02T10/60Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention provides a household charging explosion-proof device for a lithium battery of an electric vehicle, which relates to the technical field of explosion-proof devices and comprises an explosion-proof box, a power supply and an explosion-proof structure, wherein the power supply is positioned in the explosion-proof box, the upper end of the power supply is electrically connected with two cables, a port of the explosion-proof box is rotatably connected with a box cover, the periphery of the inner wall of the explosion-proof box is provided with the explosion-proof structure for protecting the power supply, and the explosion-proof structure comprises a fixing frame, a protection plate for shielding the power supply, an adjusting block for supporting, a sliding block for buffering and a friction pad for providing resistance for the sliding of the sliding block. The invention solves the problems that the traditional explosion-proof device only plays a simple cage role, the self strength of the explosion-proof device is mainly used for bearing the explosion impact force, the capacity of bearing the explosion impact force is relatively limited, and for a lithium battery which is continuously combusted after explosion, fragments generated by explosion are easy to splash to the inner wall of the device and can also influence the inner wall to a certain extent.

Description

Household charging explosion-proof device for lithium battery of electric vehicle
Technical Field
The invention relates to the technical field of explosion-proof devices, in particular to a household charging explosion-proof device for a lithium battery of an electric vehicle.
Background
The explosion-proof device is characterized by high strength and suitability for multiple scenes, and is generally canned, boxed and the like, and the application of the explosion-proof device gradually becomes wide along with the continuous deepening of safety consciousness of people.
The incident that explodes along with lithium battery charging in-process increases gradually, in order to avoid the lithium cell to explode when charging and injure the masses, generally can put the lithium cell and suffer from with the overwhelming back in explosion-proof equipment, and traditional explosion-proof equipment only plays simple cage effect, mainly undertake the explosion impact force with explosion-proof equipment self intensity, the ability that bears the explosion impact force is limited relatively, to the lithium cell of the continuous burning after the explosion, the piece that the explosion produced also splashes the device inner wall easily, also can cause the influence to the inner wall to a certain extent.
Disclosure of Invention
The invention aims to solve the defects that the traditional explosion-proof device only plays a simple role of a cage, the traditional explosion-proof device mainly bears the explosion impact force by the strength of the explosion-proof device, the capacity of bearing the explosion impact force is relatively limited, and for a lithium battery which is continuously combusted after explosion, fragments generated by explosion are easy to splash to the inner wall of the device and can influence the inner wall to a certain extent.
In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides an explosion-proof equipment that charges of electric motor car lithium cell family expenses, includes explosion-proof box, power and explosion-proof structure, the power is located the inside of explosion-proof box, the upper end electric connection of power has two cables, the port of explosion-proof box rotates and is connected with the case lid, the inner wall of explosion-proof box all is equipped with the explosion-proof structure for protecting the power all around, explosion-proof structure includes the mount, is used for sheltering from the guard plate of power, is used for the regulating block that supports, is used for the slider of buffering and is used for providing the friction pad of resistance for the slider slides.
By adopting the technical scheme, the effect that when the power supply explodes, part of impact force generated by explosion can be converted into the effect that the sliding block overcomes the resistance of the friction pad to do work is achieved, and then the impact force generated by explosion on the explosion-proof box is reduced to a certain extent.
Preferably, mount fixed connection is at the inner wall of explosion-proof box, the cross-section of mount is "U" shape, two arms of mount rotate and are connected with the pivot, the arc surface fixedly connected with of pivot is used for the guard plate of protection power, the slide rail of the position fixedly connected with restriction slider shift position of the corresponding guard plate of explosion-proof box, the cross-section of slide rail is "concave" shape, the inner wall fixedly connected with friction pad of slide rail, the surface of friction pad evenly is equipped with anti-skidding line, the inner wall sliding connection of slide rail has the slider, the one end fixedly connected with rotor plate, two of slide rail inner wall is kept away from to the slider the one end that the rotor plate is close to each other is rotated and is connected with the regulating block, the regulating block is located between guard plate and the explosion-proof box lateral wall.
Adopt this preferred scheme, reached after the power explosion takes place, the impact force of production can make the guard plate rotate, and the guard plate moves the regulating block removal of pressing, makes the rotor plate drive the slider and removes, and the slider can overcome frictional force doing work along the friction pad surface, and then to a certain extent to the effect that blast impact was offset.
Preferably, one side fixedly connected with of regulating block is used for reducing the ball of frictional force between guard plate and the regulating block, the arc surface of ball is through the polishing processing of polishing, the arc surface and the guard plate looks butt of ball.
Adopt this preferred scheme, reached and to have made when the guard plate rotates, directly promoted the ball and extrude the effect that the regulating block removed, and then reached the effect that reduces frictional force between guard plate and the regulating block.
Preferably, the circular arc surface of the rotating shaft is sleeved with a coil spring for providing torsional force, and two ends of the coil spring are fixedly connected with the rotating shaft and the protection plate respectively.
By adopting the preferred scheme, the torsion force can be applied to the rotating shaft, and the protection plate can further play a certain fixing effect on the power supply.
Preferably, one side of each of the two sliding blocks, which is close to each other, is fixedly connected with a spring for applying elastic force, and two ends of the spring are fixedly connected with the two sliding blocks respectively.
Adopt this preferred scheme, reached and to have applyed elasticity for the slider, and then improved the effect that conveniently drives the slider and remove.
Preferably, the inner wall of the case cover is provided with a fire extinguishing structure for assisting fire extinguishing, the fire extinguishing structure comprises a plurality of partition plates, the partition plates are uniformly and fixedly connected to the inner wall of the case cover, the inside of the case cover is slidably connected with an air bag for containing liquid, the inside of the air bag is filled with water film forming foam, one side of the case cover is fixedly connected with a mounting frame for supporting, the cross section of the mounting frame is U-shaped, one side of the mounting frame, which is far away from the partition plates, is fixedly connected with a connecting frame, the inside of the connecting frame is fixedly connected with a mercury thermometer for monitoring the temperature in the explosion-proof case, the arc surface of the mercury thermometer is provided with a protective shell for protecting the mercury thermometer, two conducting wires for conducting electricity are arranged inside the mercury thermometer, one end of each conducting wire is electrically connected with an electric push rod for driving, the electric push rod is fixedly connected inside the mounting frame, the output end of the electric push rod is fixedly connected with a limiting frame, the upper surface of the limiting frame is fixedly connected with a convex thorn used for puncturing the air bag, and the convex thorn is located in the gap position of the plurality of partition plates.
Adopt above-mentioned technical scheme, reached when the power explodes and catches fire, the inside mercury of mercury thermometer is heated the inflation and begins to rise, and mercury contacts the wire, and two wires are connected with the help of mercury, and then starts the effect that the gasbag was punctureed to protruding thorn of cylinder drive, and then has reached the effect of putting out a fire fast to the power with the help of the inside water film forming foam of gasbag.
Preferably, the inner side of the case cover is provided with a storage groove for providing a space, and the inner wall of the storage groove of the case cover is connected with a U-shaped plate for assisting in replacing the airbag in a sliding manner.
Adopt this preferred scheme, reached and to have driven the effect that the gasbag removed in the case lid with the help of the U-shaped board, and then conveniently carry out the dismouting to the gasbag in the case lid.
Preferably, one side fixedly connected with that the U-shaped board is far away from the case lid is used for conveniently pulling the knob of U-shaped board, the arc surface of knob is equipped with a plurality of anti-skidding arch, and a plurality of anti-skidding arch evenly distributed is on the arc surface of knob.
By adopting the preferred scheme, the effect of conveniently pulling the knob to adjust the position of the U-shaped plate is achieved, and the effect of more conveniently adjusting the position of the air bag is further achieved.
Preferably, two prepared holes for placing cables are formed in one side of the explosion-proof box, a limiting structure for limiting power cables is arranged on one side of the explosion-proof box and comprises two sliding strips which are fixedly connected to the surface of the explosion-proof box, a sliding buckle is connected to the surface of each sliding strip in a sliding mode, a supporting plate for limiting the maximum moving distance of the sliding buckle is fixedly connected to the lower end of each sliding strip, the cross section of each sliding buckle is in a U shape, a connecting plate is fixedly connected to one side, away from the corresponding sliding buckle, of each sliding buckle, a handle for conveniently pulling the connecting plate is fixedly connected to one side, away from the corresponding sliding buckle, of the connecting plate, and a pressing pad is fixedly connected to the lower surface of the connecting plate.
By adopting the technical scheme, the effect of quickly limiting the position of the cable after the cable is placed in the preformed hole of the explosion-proof box is achieved.
Preferably, the lower surface of the slide fastener is fixedly connected with an elastic rope for providing tension, and the lower end of the elastic rope is fixedly connected with the support plate.
Adopt this preferred scheme, reached and to have exerted pulling force for the thread slipping, improved the pressure pad to the spacing effect of cable.
Compared with the prior art, the invention has the advantages and positive effects that,
1. in the invention, the explosion-proof structure is arranged, the power supply is charged in the explosion-proof box, at the moment, the coil spring can apply torsional force to the rotating shaft, the protective plate can clamp the power supply to achieve the effect of limiting the power supply, when the power supply explodes, the impact force of the explosion can directly impact the protective plate, the protective plate can rotate by virtue of the rotating shaft when being subjected to the impact force, the protective plate can push the round ball when rotating, the round ball can drive the adjusting block to move, the adjusting block can drive the rotating plate to rotate, the rotating plate can drive the sliding block to slide along the inner wall of the sliding rail, the sliding rail has the effect of limiting the moving position of the sliding block, the friction pad on the inner wall of the sliding rail has the effect of increasing the friction between the sliding block and the sliding rail, further, the explosion impact force applied to the protective plate can drive the sliding block to move, the sliding block overcomes the effect of offsetting the friction force, and further achieves the effect of offsetting partial power supply explosion generated impact force, and then to a certain extent to the effect of protecting the inside of the explosion-proof box.
2. According to the invention, through arranging the fire extinguishing structure, the air bag filled with the water film-forming foam is firstly placed between the box cover and the partition plate, when the power supply explodes and starts to burn, the temperature in the explosion-proof box starts to rise, the mercury in the mercury thermometer starts to expand and rise when being heated, the two leads are connected by virtue of the mercury when the mercury rises, the electric push rod starts to work, the electric push rod starts to drive the limiting frame to move upwards, the limiting frame drives the convex pricks to move upwards, the convex pricks can directly pierce the air bag, the water film-forming foam in the air bag can directly flow out of the air bag, the water film-forming foam can extinguish the power supply during burning, the effect of auxiliary fire extinguishing is achieved, the mode of replacing a large amount of water for fire extinguishing is adopted, the internal space of the explosion-proof box is saved, the effect of fire extinguishing on the power supply is not influenced, and through arranging the fire extinguishing structure, the temperature inside the explosion-proof box can be monitored in real time by means of the mercury thermometer, after the power supply is on fire, the electric push rod can be started quickly to puncture the air bag, and the effect of extinguishing the fire by means of the water film forming foam on the power supply in a combustion state is achieved.
3. According to the invention, through arranging the U-shaped plate, when the air bag filled with the water film-forming foam is required to be placed into the box cover for use, the U-shaped plate is firstly placed between the partition plate and the box cover, then the knob is pulled to drive the U-shaped plate to slide out of a part of the accommodating groove, then the air bag slides into the space between the box cover and the partition plate along the U-shaped plate, then the U-shaped plate is pushed to drive the air bag to be installed into the box cover, when the air bag is required to be replaced, the U-shaped plate can be directly pulled to take out the air bag in the partition plate and the box cover, and the effect of conveniently and quickly taking out the air bag is further achieved.
4. According to the invention, by arranging the limiting structure, when the power cable needs to be limited, the handle is pulled upwards to drive the connecting plate to move upwards, the connecting plate drives the slide fastener to move upwards to slide the slide fastener out of the slide bar, then the cable is placed in the preformed hole of the explosion-proof box, then the slide fastener slides to the surface of the slide bar again, at the moment, the elastic rope can provide tension for the slide fastener, so that the slide fastener slides downwards along the surface of the slide bar, the slide fastener moves downwards to drive the pressure pad to move downwards, and the pressure pad can extrude the cable, so that the effect of limiting the cable is achieved.
Drawings
FIG. 1 is a schematic perspective view of a household charging explosion-proof device for a lithium battery of an electric vehicle according to the present invention;
FIG. 2 is a schematic view of a part of the structure of a household charging explosion-proof device for lithium batteries of an electric vehicle shown in FIG. 1;
FIG. 3 is a schematic structural diagram of an explosion-proof structure of a household charging explosion-proof device for a lithium battery of an electric vehicle, according to the present invention;
FIG. 4 is a partial schematic structural view of an explosion-proof structure of a household charging explosion-proof device for a lithium battery of an electric vehicle according to the present invention;
FIG. 5 is a schematic view of a part of the explosion-proof structure of the household charging explosion-proof device for the lithium battery of the electric vehicle according to the present invention;
FIG. 6 is a schematic structural diagram of a fire extinguishing structure of a household charging explosion-proof device for a lithium battery of an electric vehicle, according to the present invention;
FIG. 7 is a partial schematic structural view of a fire extinguishing structure of a household charging explosion-proof device for a lithium battery of an electric vehicle according to the present invention;
FIG. 8 is a schematic view of a portion of the structure of FIG. 6 illustrating an anti-explosion device for household charging of lithium batteries of electric vehicles according to the present invention;
FIG. 9 is a schematic structural diagram of a limiting structure of a household charging explosion-proof device for a lithium battery of an electric vehicle according to the present invention;
fig. 10 is a schematic structural view of the household charging explosion-proof device for the lithium battery of the electric vehicle shown below fig. 9 according to the present invention.
Illustration of the drawings: 1. an explosion-proof box; 2. a power source; 3. a box cover; 4. an explosion-proof structure; 401. a fixed mount; 402. a rotating shaft; 403. a protection plate; 404. a slide rail; 405. a friction pad; 406. a slider; 407. a rotating plate; 408. an adjusting block; 409. a ball; 410. a spring; 411. a coil spring; 5. a fire extinguishing structure; 501. a partition plate; 502. an air bag; 503. a mounting frame; 504. a connecting frame; 505. a mercury thermometer; 506. a wire; 507. an electric push rod; 508. a limiting frame; 509. convex thorns; 510. a receiving groove; 511. a U-shaped plate; 512. a knob; 6. a limiting structure; 61. a slide bar; 62. sliding and buckling; 63. a connecting plate; 64. a handle; 65. a support plate; 66. an elastic cord; 67. a pressure pad; 7. a cable.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
Embodiment 1, as shown in fig. 1 to 10, the invention provides a household charging explosion-proof device for a lithium battery of an electric vehicle, which comprises an explosion-proof box 1, a power supply 2 and an explosion-proof structure 4, wherein the power supply 2 is located inside the explosion-proof box 1, the upper end of the power supply 2 is electrically connected with two cables 7, a port of the explosion-proof box 1 is rotatably connected with a box cover 3, the explosion-proof structure 4 for protecting the power supply 2 is arranged on the periphery of the inner wall of the explosion-proof box 1, a fire extinguishing structure 5 for assisting fire extinguishing is arranged on the inner wall of the box cover 3, two reserved holes for placing the cables 7 are formed in one side of the explosion-proof box 1, and a limiting structure 6 for limiting the cables 7 of the power supply 2 is arranged on one side of the explosion-proof box 1.
The specific arrangement and function of the explosion-proof structure 4, the fire extinguishing structure 5 and the limiting structure 6 are described in detail below.
As shown in fig. 3 and 4, the explosion-proof structure 4 includes a fixing frame 401, a protection plate 403 for shielding the power supply 2, an adjusting block 408 for supporting, a sliding block 406 for buffering, and a friction pad 405 for providing resistance for sliding of the sliding block 406, so that when the power supply 2 explodes, a part of impact force generated by the explosion can be converted into the effect that the sliding block 406 overcomes the resistance of the friction pad 405 to do work, thereby reducing the impact force generated by the explosion on the explosion-proof box 1 to a certain extent. The fixing frame 401 is fixedly connected to the inner wall of the explosion-proof box 1, the section of the fixing frame 401 is U-shaped, two arms of the fixing frame 401 are rotatably connected with a rotating shaft 402, a protection plate 403 for protecting the power supply 2 is fixedly connected to the arc surface of the rotating shaft 402, a slide rail 404 for limiting the moving position of a slide block 406 is fixedly connected to the position of the explosion-proof box 1 corresponding to the protection plate 403, the section of the slide rail 404 is concave, a friction pad 405 is fixedly connected to the inner wall of the slide rail 404, anti-skid lines are uniformly arranged on the surface of the friction pad 405, a slide block 406 is slidably connected to the inner wall of the slide rail 404, a rotating plate 407 is fixedly connected to one end of the slide block 406 away from the inner wall of the slide rail 404, an adjusting block 408 is rotatably connected to one end of the two rotating plates 407 close to each other, the adjusting block 408 is located between the protection plate 403 and the side wall of the explosion-proof box 1, so that the protection plate 403 can rotate by the generated impact force after the explosion of the power supply 2, the protection plate 403 can press the adjusting block 408 to move, the rotating plate 407 drives the sliding block 406 to move, and the sliding block 406 overcomes the friction force to work along the surface of the friction pad 405, thereby counteracting the explosion impact to a certain extent. One side fixedly connected with of regulating block 408 is used for reducing the ball 409 of frictional force between guard plate 403 and the regulating block 408, and the arc surface of ball 409 is through the polishing processing of polishing, and the arc surface of ball 409 and guard plate 403 looks butt have reached and can make guard plate 403 rotate the time, directly promote the effect that ball 409 extrudes regulating block 408 and remove, and then have reached the effect that reduces frictional force between guard plate 403 and the regulating block 408. The circular arc surface of the rotating shaft 402 is sleeved with a coil spring 411 for providing torsional force, and two ends of the coil spring 411 are fixedly connected with the rotating shaft 402 and the protection plate 403 respectively, so that the torsional force can be applied to the rotating shaft 402, and the protection plate 403 can achieve a certain fixing effect on the power supply 2. The spring 410 for applying elastic force is fixedly connected to one side of the two sliders 406 close to each other, and two ends of the spring 410 are fixedly connected to the two sliders 406 respectively, so that the effect of applying elastic force to the sliders 406 and further improving the effect of conveniently driving the sliders 406 to move is achieved.
The whole explosion-proof structure 4 achieves the effect that by arranging the explosion-proof structure 4, the power supply 2 is firstly placed in the explosion-proof box 1 for charging, at the moment, the coil spring 411 can give torsional force to the rotating shaft 402, the protection plate 403 can clamp the power supply 2, the effect of limiting the power supply 2 is achieved, when the power supply 2 explodes, the impact force of the explosion can directly impact the protection plate 403, the protection plate 403 rotates by virtue of the rotating shaft 402 when being impacted, the protection plate 403 rotates to push the ball 409, the ball 409 drives the adjusting block 408 to move at the moment, the adjusting block 408 moves to drive the rotating plate 407 to rotate, the rotating plate 407 rotates to drive the sliding block 406 to slide along the inner wall of the sliding rail 404, the sliding rail 404 achieves the effect of limiting the moving position of the sliding block 406, the friction pad 405 on the inner wall of the sliding rail 404 achieves the effect of increasing the friction force between the sliding block 406 and the sliding rail 404, and further can drive the sliding block 406 to move by the impact force of the explosion received by the protection plate 403, the slider 406 overcomes the effect that friction does work and offsets, and then the effect of offsetting the impact force generated by the explosion of part of the power supply 2 is achieved, and then the effect of protecting the inside of the explosion-proof box 1 to a certain extent is achieved.
As shown in fig. 5 and 6, the fire extinguishing structure 5 includes a plurality of partitions 501, the partitions 501 are uniformly and fixedly connected to the inner wall of the box cover 3, the inner portion of the box cover 3 is slidably connected with an air bag 502 for containing liquid, the air bag 502 contains water-film-forming foam, one side of the box cover 3 is fixedly connected with a mounting frame 503 for supporting, the cross section of the mounting frame 503 is "U" -shaped, one side of the mounting frame 503 away from the partitions 501 is fixedly connected with a connecting frame 504, the inner portion of the connecting frame 504 is fixedly connected with a mercury thermometer 505 for monitoring the temperature in the explosion-proof box 1, two conducting wires 506 for conducting electricity are installed inside the mercury thermometer 505, one end of the conducting wire 506 is electrically connected with an electric push rod 507 for driving, the electric push rod 507 is fixedly connected inside the mounting frame 503, the output end of the electric push rod 507 is fixedly connected with a limiting frame 508, the upper surface of the limiting frame 508 is fixedly connected with a protruding prick 509 for puncturing the air bag 502, protruding thorn 509 is located a plurality of 501 clearance positions of baffle, has reached when the power 2 takes place to explode and catches fire, and the inside mercury thermal expansion of mercury thermometer 505 begins to rise, and mercury contacts wire 506, and two wires 506 are connected with the help of mercury, and then starts the effect that cylinder drive protruding thorn 509 punctures gasbag 502, and then has reached the effect of carrying out the quick fire extinguishing to power 2 with the help of the inside water film-forming foam of gasbag 502. The containing groove 510 for providing the space is seted up to the inboard of case lid 3, and the containing groove 510 inner wall sliding connection of case lid 3 has the U-shaped board 511 that is used for assisting to change gasbag 502, has reached and has driven the effect that gasbag 502 removed in case lid 3 with the help of U-shaped board 511, and then conveniently carries out the dismouting to gasbag 502 in case lid 3. One side fixedly connected with that case lid 3 was kept away from to U-shaped plate 511 is used for conveniently pulling the knob 512 of U-shaped plate 511, and the arc surface of knob 512 is equipped with a plurality of non-slip raised, and a plurality of non-slip raised evenly distributed has reached the effect that conveniently pulls knob 512 adjustment U-shaped plate 511 position on the arc surface of knob 512, and then has reached the effect of conveniently adjusting the gasbag 502 position more.
The whole fire extinguishing structure 5 achieves the effect that by arranging the fire extinguishing structure 5, the air bag 502 filled with water film-forming foam is firstly placed between the box cover 3 and the partition plate 501, when the power supply 2 explodes and starts to burn, the temperature in the explosion-proof box 1 starts to rise at the moment, mercury in the mercury thermometer 505 starts to expand and rise when heated, the mercury rises, two leads 506 can be connected by means of the mercury, the electric push rod 507 starts to work at the moment, the electric push rod 507 starts to drive the limiting frame 508 to move upwards, the limiting frame 508 drives the convex thorns 509 to move upwards, the convex thorns 509 can directly puncture the air bag 502 at the moment, the water film-forming foam in the air bag 502 can directly flow out of the air bag 502, the water film-forming foam can extinguish the power supply 2 during burning at the moment, the effect of auxiliary fire extinguishing is achieved, the water film-forming foam is adopted to replace a large amount of water to extinguish the fire, the internal space of the explosion-proof box 1 is saved, meanwhile, the fire extinguishing effect of the power supply 2 on fire is not influenced, the fire extinguishing structure 5 is arranged, the effect of monitoring the temperature in the explosion-proof box 1 in real time by means of the mercury thermometer 505 is achieved, after the power supply 2 on fire is ignited, the electric push rod 507 can be quickly started to puncture the air bag 502, the fire extinguishing effect of the power supply 2 in a combustion state is achieved by means of the water film forming foam, by arranging the U-shaped plate 511, when the air bag 502 filled with the water film forming foam needs to be placed into the box cover 3 for use, the U-shaped plate 511 is placed between the partition plate 501 and the box cover 3 firstly, then the knob 512 is pulled, the knob 512 drives the U-shaped plate 511 to slide out of the containing groove 510, then the air bag 502 slides into the space between the box cover 3 and the partition plate 501 along the U-shaped plate 511, then the U-shaped plate 511 is pushed, the U-shaped plate 511 drives the air bag 502 to be installed into the box cover 3, when the air bag 502 needs to be replaced, the U-shaped plate 511 can be directly pulled, the U-shaped plate 511 takes out the air bag 502 in the partition 501 and the box cover 3, thereby achieving the effect of conveniently and rapidly taking out the air bag 502.
Embodiment 2, on the basis of embodiment 1, as shown in fig. 8 and 9, two prepared holes for placing cables 7 are provided in one side of explosion-proof box 1, one side of explosion-proof box 1 is provided with limit structure 6 for limiting cables 7 of power supply 2, limit structure 6 includes two sliders 61, two sliders 61 are all fixedly connected to the surface of explosion-proof box 1, the surface of slider 61 is slidably connected with slider 62, the lower end fixedly connected with of slider 61 is used for limiting supporting plate 65 of slider 62 moving maximum distance, the cross-section of slider 62 is "U" shape, one side fixedly connected with connecting plate 63 far away from explosion-proof box 1 of two sliders 62, one side fixedly connected with handle 64 convenient for pulling connecting plate 63 of connecting plate 63 is far away from slider 62, the lower surface fixedly connected with pressure pad 67 of connecting plate 63, after placing cables 7 in the prepared holes of explosion-proof box 1, the effect of limiting the cable 7 position can be carried out fast is achieved. The lower surface fixed connection of thread slipping 62 is used for providing tensile elasticity rope 66, and the lower extreme and the backup pad 65 fixed connection of elasticity rope 66 have reached and have exerted tensile for thread slipping 62, improve the effect of pressure pad 67 to cable 7 spacing intensity.
The effect that its whole limit structure 6 reaches does, through setting up limit structure 6, when needs carry on spacingly to power 2 cable 7, upwards stimulate handle 64 earlier, make handle 64 drive connecting plate 63 rebound, connecting plate 63 drives thread slipping 62 rebound, make thread slipping 62 from the draw runner 61 roll-off, then put cable 7 in the preformed hole of explosion-proof box 1, then slide thread slipping 62 to the draw runner 61 surface again, the elasticity rope 66 can give the pulling force of thread slipping 62 this moment, make thread slipping 62 along the surperficial lapse of draw runner 61, the downward movement of thread slipping 62 can drive pressure pad 67 rebound, pressure pad 67 can extrude cable 7, the effect of carrying out spacing to cable 7 has been reached, through setting up limit structure 6, reached and to carry out spacing effect fast to cable 7, and then reached and to make things convenient for the effect of stably charging to power 2.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.

Claims (10)

1. The utility model provides an explosion-proof equipment that charges of electric motor car lithium cell family expenses, includes explosion-proof case (1), power (2) and explosion-proof structure (4), power (2) are located the inside of explosion-proof case (1), the upper end electric connection of power (2) has two cables (7), its characterized in that: the port of explosion-proof box (1) rotates and is connected with case lid (3), the inner wall of explosion-proof box (1) all is equipped with explosion-proof structure (4) that are used for protecting power (2) all around, explosion-proof structure (4) include mount (401), be used for sheltering from guard plate (403) of power (2), be used for regulating block (408) that support, be used for slider (406) of buffering and be used for providing friction pad (405) of resistance for slider (406) slides.
2. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 1, is characterized in that: the anti-skid device is characterized in that the fixed frame (401) is fixedly connected to the inner wall of the explosion-proof box (1), the section of the fixed frame (401) is U-shaped, two arms of the fixed frame (401) are rotatably connected with a rotating shaft (402), the arc surface of the rotating shaft (402) is fixedly connected with a protection plate (403) for protecting the power supply (2), the position of the explosion-proof box (1) corresponding to the protection plate (403) is fixedly connected with a sliding rail (404) for limiting the moving position of a sliding block (406), the section of the sliding rail (404) is concave, the inner wall of the sliding rail (404) is fixedly connected with a friction pad (405), the surface of the friction pad (405) is uniformly provided with anti-skid grains, the inner wall of the sliding rail (404) is slidably connected with the sliding block (406), one end of the sliding block (406) far away from the inner wall of the sliding rail (404) is fixedly connected with a rotating plate (407), and one end of the two rotating plates (407) close to each other is rotatably connected with a regulating block (408), the adjusting block (408) is positioned between the protective plate (403) and the side wall of the explosion-proof box (1).
3. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 1, is characterized in that: one side fixedly connected with of regulating block (408) is used for reducing circular ball (409) of frictional force between guard plate (403) and regulating block (408), the arc surface of circular ball (409) is through polishing the processing of polishing, the arc surface and the guard plate (403) looks butt of circular ball (409).
4. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 1, is characterized in that: the arc surface of the rotating shaft (402) is sleeved with a coil spring (411) used for providing torsional force, and two ends of the coil spring (411) are fixedly connected with the rotating shaft (402) and the protection plate (403) respectively.
5. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 1, is characterized in that: one side of each of the two sliding blocks (406), which is close to each other, is fixedly connected with a spring (410) for applying elastic force, and two ends of each spring (410) are fixedly connected with the two sliding blocks (406) respectively.
6. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 1, is characterized in that: the inner wall of the case cover (3) is provided with a fire extinguishing structure (5) for assisting in extinguishing fire, the fire extinguishing structure (5) comprises a plurality of partition plates (501), the plurality of partition plates (501) are uniformly and fixedly connected to the inner wall of the case cover (3), an air bag (502) for containing liquid is connected to the inside of the case cover (3) in a sliding manner, water-based film forming foam is contained in the air bag (502), an installation frame (503) for supporting is fixedly connected to one side of the case cover (3), the cross section of the installation frame (503) is U-shaped, a connecting frame (504) is fixedly connected to one side, away from the partition plates (501), of the connecting frame (504), a mercury thermometer (505) for monitoring the temperature in the explosion-proof case (1) is fixedly connected to the inside of the connecting frame (504), two conducting wires (506) for conducting are installed inside the mercury thermometer (505), one end electric connection of wire (506) has electric putter (507) for the drive, electric putter (507) fixed connection is in the inside of mounting bracket (503), the output fixedly connected with spacing (508) of electric putter (507), the last fixed surface of spacing (508) is connected with protruding thorn (509) that are used for puncturing gasbag (502), protruding thorn (509) are located a plurality of baffle (501) clearance position.
7. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 6, is characterized in that: the inner side of the box cover (3) is provided with a containing groove (510) for providing a space, and the inner wall of the containing groove (510) of the box cover (3) is connected with a U-shaped plate (511) for assisting in replacing the air bag (502) in a sliding manner.
8. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 6, is characterized in that: one side fixedly connected with that case lid (3) were kept away from in U-shaped board (511) is used for conveniently pulling knob (512) of U-shaped board (511), the arc surface of knob (512) is equipped with a plurality of non-slip raised, and a plurality of non-slip raised evenly distributed is on the arc surface of knob (512).
9. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 1, is characterized in that: two preformed holes for placing cables (7) are formed in one side of the explosion-proof box (1), a limiting structure (6) for limiting the cables (7) of the power supply (2) is arranged on one side of the explosion-proof box (1), the limiting structure (6) comprises two sliding strips (61), the two sliding strips (61) are fixedly connected to the surface of the explosion-proof box (1), sliding buckles (62) are connected to the surfaces of the sliding strips (61) in a sliding mode, a supporting plate (65) used for limiting the maximum moving distance of the sliding buckles (62) is fixedly connected to the lower ends of the sliding strips (61), the cross section of each sliding buckle (62) is in a U shape, the two sliding buckles (62) are fixedly connected with a connecting plate (63) far away from the explosion-proof box (1), one side fixedly connected with a pull handle (64) used for conveniently pulling the connecting plate (63) is fixedly connected with one side of the connecting plate (63) far away from the sliding buckles (62), the lower surface of the connecting plate (63) is fixedly connected with a pressure pad (67).
10. The household charging explosion-proof device for the lithium battery of the electric vehicle as claimed in claim 9, is characterized in that: the lower surface of the slide fastener (62) is fixedly connected with an elastic rope (66) used for providing tensile force, and the lower end of the elastic rope (66) is fixedly connected with the support plate (65).
CN202210757824.8A 2022-06-30 2022-06-30 Household charging explosion-proof device for lithium battery of electric vehicle Withdrawn CN115036634A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210757824.8A CN115036634A (en) 2022-06-30 2022-06-30 Household charging explosion-proof device for lithium battery of electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210757824.8A CN115036634A (en) 2022-06-30 2022-06-30 Household charging explosion-proof device for lithium battery of electric vehicle

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CN115036634A true CN115036634A (en) 2022-09-09

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CN202210757824.8A Withdrawn CN115036634A (en) 2022-06-30 2022-06-30 Household charging explosion-proof device for lithium battery of electric vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115531779A (en) * 2022-11-30 2022-12-30 苏州睿锂物联科技有限公司 Integrated battery pack with built-in explosion-proof emergency parts

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115531779A (en) * 2022-11-30 2022-12-30 苏州睿锂物联科技有限公司 Integrated battery pack with built-in explosion-proof emergency parts
CN115531779B (en) * 2022-11-30 2023-03-10 苏州睿锂物联科技有限公司 Integrated battery pack with built-in explosion-proof emergency parts

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Application publication date: 20220909