CN111114677B - Electric motor car battery protection device - Google Patents

Electric motor car battery protection device Download PDF

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Publication number
CN111114677B
CN111114677B CN202010087208.7A CN202010087208A CN111114677B CN 111114677 B CN111114677 B CN 111114677B CN 202010087208 A CN202010087208 A CN 202010087208A CN 111114677 B CN111114677 B CN 111114677B
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China
Prior art keywords
cavity
transmission
plate
groove
end wall
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CN202010087208.7A
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Chinese (zh)
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CN111114677A (en
Inventor
不公告发明人
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Anhui Liangu Technology Co ltd
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Anhui Jiechuang Technology Co Ltd
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Priority to CN202010087208.7A priority Critical patent/CN111114677B/en
Publication of CN111114677A publication Critical patent/CN111114677A/en
Application granted granted Critical
Publication of CN111114677B publication Critical patent/CN111114677B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62J—CYCLE SADDLES OR SEATS; AUXILIARY DEVICES OR ACCESSORIES SPECIALLY ADAPTED TO CYCLES AND NOT OTHERWISE PROVIDED FOR, e.g. ARTICLE CARRIERS OR CYCLE PROTECTORS
    • B62J99/00—Subject matter not provided for in other groups of this subclass
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
    • A62C3/16—Fire prevention, containment or extinguishing specially adapted for particular objects or places in electrical installations, e.g. cableways
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62M—RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES; POWERED PROPULSION OF SLEDGES OR SINGLE-TRACK CYCLES; TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES
    • B62M6/00—Rider propulsion of wheeled vehicles with additional source of power, e.g. combustion engine or electric motor
    • B62M6/80—Accessories, e.g. power sources; Arrangements thereof
    • B62M6/90—Batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2200/00—Type of vehicles
    • B60L2200/46—Vehicles with auxiliary ad-on propulsions, e.g. add-on electric motor kits for bicycles
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Power Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

A battery protection device for an electric vehicle comprises a box body, and a power-off device, a power device and a fire extinguishing device which are arranged in the box body, wherein the fire extinguishing device comprises a dry powder cavity arranged on the top end face of the box body, a pressing plate is arranged in the dry powder cavity in a vertically sliding fit manner, a fastening plate is arranged in the dry powder cavity in a threaded fit manner, the fastening plate is positioned above the pressing plate, a pressure spring is arranged between the pressing plate and the fastening plate, and a discharging cavity is arranged below the dry powder cavity; this device can realize handling the unexpected condition in the very first time when the accident takes place for electric motor car battery when charging, reduces the unexpected loss when this kind of incident takes place, and protection personnel's safety adopts mechanical structure, can guarantee the security when using, reduces the wave of burning even explosion and can promote in each electric motor car after-sales enterprise.

Description

Electric motor car battery protection device
Technical Field
The invention relates to the technical field of fire fighting, in particular to a battery protection device for an electric vehicle.
Background
Along with the development of the country, people's tools for transportation have been changed from bicycles to electric vehicles, and electric vehicles also provide great convenience for people's life, and the spontaneous combustion explosion events of electric vehicles are more frequent when charging, and the unexpected accident can be produced if the electric vehicle battery can produce toxic gas when spontaneous combustion, and put out in time.
Disclosure of Invention
Aiming at the technical defects, the invention provides a battery protection device for an electric vehicle, which can overcome the defects.
The invention relates to an electric vehicle battery protection device, which comprises a box body, a power-off device, a power device and a fire extinguishing device, wherein the power-off device, the power device and the fire extinguishing device are arranged in the box body, the fire extinguishing device comprises a dry powder cavity arranged on the top end surface of the box body, a pressing plate is arranged in the dry powder cavity in a vertically sliding fit manner, a fastening plate is arranged in the dry powder cavity in a threaded fit manner and is positioned above the pressing plate, a pressure spring is arranged between the pressing plate and the fastening plate, a discharging cavity is arranged below the dry powder cavity, a blanking port is arranged between the dry powder cavity and the discharging cavity, a releasing limiting plate is arranged on the top end wall of the discharging cavity, a releasing block is arranged in the blanking port in a vertically sliding fit manner, a first blanking port is arranged on the outer side end surface of the releasing block in a ring manner, a, a blanking plate is fixedly arranged between the front end wall and the rear end wall of the dry powder cavity and located on the lower side of the pressing plate, a blanking ring is fixedly arranged on the bottom end face of the blanking plate, a blanking groove extending upwards to the blanking plate is formed in the bottom end face of the blanking ring, a blanking shaft is arranged in the blanking groove in a vertically sliding fit mode, the bottom section of the blanking shaft is fixedly arranged on the release block, a blanking spring is fixedly arranged between the top end wall of the blanking groove and the top end face of the blanking shaft, and a power cavity is formed in the lower side of the blanking cavity.
Preferably, the power device comprises a motor fixedly arranged on the end wall of the bottom of the power cavity, a first threaded shaft which extends upwards to the blanking plate and is in threaded connection with the blanking plate is arranged on the motor in a power fit manner, the first threaded shaft penetrates through and is fixedly connected with the blanking port, a first bevel gear and a fan blade are fixedly arranged on the first threaded shaft, the first bevel gear is positioned below the fan blade, a first transmission cavity is arranged on the right side of the power cavity, a second transmission cavity is arranged on the right side of the first transmission cavity, the first transmission cavity is communicated with the second transmission cavity, a first release groove which extends upwards is arranged on the end wall of the top of the power cavity, the right side section of the release cavity is communicated with the first release groove, a charging cavity is arranged on the right side of the first release groove, the charging cavity is positioned on the upper side of the first transmission cavity, and a second release groove is arranged between the first release groove and the charging cavity, a second bevel gear meshed with the first bevel gear is arranged on the right side of the first bevel gear, a second threaded shaft extending rightwards to the second transmission cavity is fixedly arranged on the right end face of the second bevel gear, and an optical axis is fixedly arranged on the right end face of the second threaded shaft.
Preferably, the power-off device comprises a power-off connecting device, a power-off transmission device and a power-off swinging device, the power-off connecting device comprises a transmission block in threaded connection with the second threaded shaft, the transmission block is in sliding fit with the first transmission cavity from left to right, a first transmission groove and a second transmission groove are symmetrically arranged on the right side end face of the transmission block from top to bottom, a first transmission plate is fixedly arranged on the right side section of the optical shaft, transmission sliding grooves are arranged on the top end wall and the bottom end wall of the second transmission cavity, a transmission sliding plate is arranged in the transmission sliding grooves in a sliding fit manner from left to right, a first transmission shaft is rotatably arranged on the left side end face of the transmission sliding plate in a matching manner, a third bevel gear is fixedly arranged on the left side end face of the first transmission shaft, a second transmission plate is symmetrically arranged on the left side end face of the third bevel gear, and a second transmission shaft extending to the outside from right is fixedly arranged on the right, a limiting plate is fixedly arranged on the right end face of the box body, a pulling handle is arranged on the right end face of the limiting plate, and a return spring is fixedly arranged between the right end face of the transmission sliding plate and the right end wall of the second transmission cavity.
Preferably, the power-off connecting device comprises a supporting plate fixedly arranged between the top end wall and the bottom end wall of the second transmission cavity, the supporting plate is positioned at the rear side of the third bevel gear, a third transmission shaft extending forwards and penetrating through the supporting plate is arranged on the rear end wall of the second transmission cavity in a rotating fit manner, a fourth bevel gear is fixedly arranged on the front end face of the third transmission shaft, a first belt wheel is fixedly arranged on the third transmission shaft, the first belt wheel is positioned at the rear side of the supporting plate, a third transmission cavity is arranged on the upper side of the second transmission cavity, a fourth transmission shaft is arranged between the front end wall and the rear end wall of the third transmission cavity in a rotating fit manner, a second belt wheel and a discharge gear are fixedly arranged on the fourth transmission shaft, the discharge gear is positioned at the front side of the second belt wheel, and a transmission belt is arranged between the second belt wheel and the first belt wheel in a transmission connection manner, the utility model discloses a power transmission case, including third transmission chamber, first transmission chamber, second transmission chamber, third transmission chamber downside is equipped with the groove that charges, movable fit is equipped with first piece that charges about the inslot that charges, the front side section in third transmission chamber with the groove intercommunication that charges, be equipped with first spacing groove on the bottom terminal surface of first piece that charges, the inductor has set firmly on the upside terminal surface of box, be equipped with downwardly extending to external blow vent on the bottom end wall in power chamber.
Preferably, the power-off swinging device comprises a swinging cavity arranged between the second transmission cavity and the charging groove, a charging sliding groove is arranged on the right end wall of the charging cavity, the top end wall of the charging sliding groove is communicated with the outside, a second charging block is arranged in the charging sliding groove in a vertically sliding fit manner, a rack is fixedly arranged on the top end surface of the first charging block, the rack is meshed with the discharge gear, a swinging shaft is arranged between the front end wall and the rear end wall of the swinging cavity in a rotating fit manner, a first swinging groove extending downwards to the first transmission cavity is arranged on the bottom end wall of the charging groove, the first swinging groove penetrates through the swinging cavity, a first swinging plate is arranged in the first swinging groove in a vertically sliding fit manner, a third swinging groove penetrating through the first swinging plate is arranged on the right end surface of the first swinging plate, and a second swinging groove extending upwards to the charging groove is arranged on the bottom end surface of the swinging cavity, the swing mechanism is characterized in that a second swing plate is arranged in the second swing groove in a vertically sliding fit mode, a fourth swing groove penetrating through the second swing plate is formed in the end face of the right side of the second swing plate, a third swing plate is fixedly arranged on a swing shaft, the left side section of the third swing plate is located in the third swing groove, and the right side section of the third swing plate is located in the fourth swing groove.
In conclusion, the device can process the accident situation in the first time when the accident happens when the electric vehicle battery is charged, reduce the accident loss when the accident happens and protect the safety of personnel.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a battery protection device for an electric vehicle according to the present invention;
FIG. 2 is a schematic view at A in FIG. 1;
FIG. 3 is a schematic view at B of FIG. 1;
FIG. 4 is a schematic view at C of FIG. 1;
FIG. 5 is a schematic view taken at D-D in FIG. 1;
fig. 6 is a schematic view at E-E in fig. 2.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-6, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-6, the invention is an electric vehicle battery protection device, comprising a box 10, and a power cut-off device, a power device and a fire extinguishing device arranged in the box 10, wherein the fire extinguishing device comprises a dry powder chamber 11 arranged on the top end surface of the box 10, a pressing plate 12 is arranged in the dry powder chamber 11 in a vertically sliding fit manner, a fastening plate 13 is arranged in the dry powder chamber 11 in a threaded fit manner, the fastening plate 13 is positioned above the pressing plate 12, a pressure spring 14 is arranged between the pressing plate 12 and the fastening plate 13, a discharging chamber 27 is arranged below the dry powder chamber 11, a discharging opening 15 is arranged between the dry powder chamber 11 and the discharging chamber 27, a releasing limiting plate 16 is arranged on the top end wall of the discharging chamber 27, a releasing block 17 is arranged in the discharging opening 15 in a vertically sliding fit manner, a first discharging opening 18 is annularly arranged on the outer side end surface of the releasing block 17, be equipped with downwardly extending on the bottom end wall of first blanking mouth 18 to the second blanking mouth 19 of blowing chamber 27, flitch 20 has set firmly between the front end wall in dry powder chamber 11 and the back end wall, flitch 20 is located the downside of clamp plate 12, flitch 20 has set firmly blanking ring 21 on the bottom terminal surface, be equipped with on blanking ring 21's the bottom terminal surface and upwards extend to blanking plate 20's blanking groove 22, sliding fit is equipped with blanking axle 23 from top to bottom in the blanking groove 22, blanking axle 23's bottom section set firmly in release block 17, blanking groove 22's top end wall with blanking spring 24 has set firmly between 23's the top terminal surface, the downside of blowing chamber 27 is equipped with power chamber 26.
Advantageously, the power device comprises a motor 28 fixedly arranged on the bottom end wall of the power cavity 26, a first threaded shaft 29 extending upwards to the blanking plate 20 and in threaded connection with the blanking plate is arranged on the motor 28 in a power fit manner, the first threaded shaft 29 penetrates through and is fixedly connected with the blanking opening 15, a first bevel gear 30 and a fan blade 31 are fixedly arranged on the first threaded shaft 29, the first bevel gear 30 is positioned below the fan blade 31, a first transmission cavity 35 is arranged on the right side of the power cavity 26, a second transmission cavity 36 is arranged on the right side of the first transmission cavity 35, the first transmission cavity 35 is communicated with the second transmission cavity 36, a first release groove 32 extending upwards is arranged on the top end wall of the power cavity 26, the right section of the release cavity 27 is communicated with the first release groove 32, a charging cavity 34 is arranged on the right side of the first release groove 32, the charging cavity 34 is located on the upper side of the first transmission cavity 35, a second release groove 33 is arranged between the first release groove 32 and the charging cavity 34, a second bevel gear 71 engaged with the first bevel gear 30 is arranged on the right side of the first bevel gear, a second threaded shaft 39 extending rightwards to the second transmission cavity 36 is fixedly arranged on the right side end face of the second bevel gear 71, and an optical axis 75 is fixedly arranged on the right side end face of the second threaded shaft 39.
Beneficially, the power cut-off device comprises a power cut-off connecting device, a power cut-off transmission device and a power cut-off swinging device, the power cut-off connecting device comprises a transmission block 40 in threaded connection with the second threaded shaft 39, the transmission block 40 is in sliding fit with the first transmission cavity 35 from left to right, a first transmission groove 41 and a second transmission groove 42 are symmetrically arranged on the right side end face of the transmission block 40 from top to bottom, a first transmission plate 43 is fixedly arranged on the right side section of the optical axis 75, transmission sliding grooves 44 are arranged on the top end wall and the bottom end wall of the second transmission cavity 36, a transmission sliding plate 45 is arranged in the transmission sliding grooves 44 in a sliding fit manner from left to right, a first transmission shaft 46 is rotatably arranged on the left side end face of the transmission sliding plate 45, a third bevel gear 47 is fixedly arranged on the left side end face of the first transmission shaft 46, and a second transmission plate 48 is symmetrically arranged on the left side end face of the third, set firmly on the right side terminal surface of transmission slide plate 45 and extend to external second transmission shaft 49 right, set firmly limiting plate 50 on the right side terminal surface of box 10, the right side terminal surface of limiting plate 50 is equipped with brake handle 51, the right side terminal surface of transmission slide plate 45 with reset spring 76 has set firmly between the right side end wall of second transmission chamber 36.
Advantageously, the power-off connection device comprises a support plate 52 fixedly arranged between the top end wall and the bottom end wall of the second transmission chamber 36, the support plate 52 is located at the rear side of the third bevel gear 47, a third transmission shaft 53 extending forward through the support plate 52 is rotatably fitted on the rear side end wall of the second transmission chamber 36, a fourth bevel gear 55 is fixedly arranged on the front side end surface of the third transmission shaft 53, a first belt pulley 54 is fixedly arranged on the third transmission shaft 53, the first belt pulley 54 is located at the rear side of the support plate 52, a third transmission chamber 38 is arranged at the upper side of the second transmission chamber 36, a fourth transmission shaft 56 is rotatably fitted between the front side end wall and the rear side end wall of the third transmission chamber 38, a second belt pulley 57 and a discharge gear 59 are fixedly arranged on the fourth transmission shaft 56, the discharge gear 59 is located at the front side of the second belt pulley 57, the second belt wheel 57 is connected with the first belt wheel 54 through a transmission belt 58, a charging groove 72 is formed in the lower side of the third transmission cavity 38, a first charging block 60 is movably matched in the charging groove 72 in a left-right mode, the front side section of the third transmission cavity 38 is communicated with the charging groove 72, a first limiting groove 25 is formed in the bottom end face of the first charging block 60, an inductor 74 is fixedly arranged on the upper side end face of the box body 10, and a vent 64 extending downwards to the outside is formed in the bottom end wall of the power cavity 26.
Advantageously, the power-off swinging device comprises a swinging cavity 37 arranged between the second transmission cavity 36 and the charging slot 72, a charging sliding slot 61 is arranged on the right end wall of the charging cavity 34, the top end wall of the charging sliding slot 61 is communicated with the outside, a second charging block 62 is arranged in the charging sliding slot 61 in a vertically sliding fit manner, a rack is fixedly arranged on the top end surface of the first charging block 60 and is meshed with the discharge gear 59, a swinging shaft 69 is arranged between the front end wall and the rear end wall of the swinging cavity 37 in a rotating fit manner, a first swinging slot 63 extending downwards to the first transmission cavity 35 is arranged on the bottom end wall of the charging slot 72, the first swinging slot 63 penetrates through the swinging cavity 37, a first swinging plate 65 is arranged in the first swinging slot 63 in a vertically sliding fit manner, a third swinging slot 67 penetrating through the first swinging plate 65 is arranged on the right end surface of the first swinging plate 65, the bottom end face of the swing cavity 37 is provided with a second swing groove 73 extending upwards to the charging groove 72, a second swing plate 66 is arranged in the second swing groove 73 in a vertically sliding fit manner, a fourth swing groove 68 penetrating through the second swing plate 66 is arranged on the right side end face of the second swing plate 66, a third swing plate 70 is fixedly arranged on the swing shaft 69, the left side section of the third swing plate 70 is positioned in the third swing groove 67, and the right side section of the third swing plate 70 is positioned in the fourth swing groove 68.
The applicant shall now specifically describe an electric vehicle battery protection device according to the present application with reference to the accompanying fig. 1-6 and the above description:
in an initial state, the second charging block 62 and the battery charging port are connected and placed into the charging cavity 34, the rack is pushed leftwards into the second swing groove 73, the rack is meshed with the discharge gear 59, the second swing plate 66 is positioned in the first limiting groove 25 for limiting, the first charging block 60 and the second charging block 62 are abutted to start charging, and the dry powder cavity 11 is filled with dry powder;
when the work is started, the inductor 74 senses smoke, the motor 28 is started to drive the first threaded shaft 29 to rotate, the first threaded shaft 29 drives the release block 17 to rotate the release block 17 to drive the blanking shaft 23 to rotate in the blanking groove 22, the release block 17 is driven by the first threaded shaft 29 to move upwards, the release block 17 drives the blanking shaft 23 to move upwards and compress the blanking spring 24, the release block 17 moves upwards to cause the first blanking port 18 to be communicated with the dry powder cavity 11, dry powder is along the first blanking port 18 passes through the second blanking port 19 to enter the blanking cavity 27, the first threaded shaft 29 drives the fan blades 31 to rotate, the fan blades 31 rotate to generate air flow, and the air flow passes through the air vent 64
And enters the power cavity 26, and the dry powder in the discharging cavity 27 is blown into the charging cavity 34 by the air flow power cavity 26 through the first discharging groove 32 through the second discharging groove 33.
When the power is turned off, the first screw shaft 29 drives the first bevel gear 30 to rotate, the first bevel gear 30 drives the second bevel gear 71 to rotate, the second bevel gear 71 drives the second screw shaft 39 to rotate, the second screw shaft 39 drives the optical axis 75 to rotate, the second screw shaft 39 drives the transmission block 40 to move rightward through the first transmission cavity 35, the transmission block 40 moves rightward to drive the first swinging plate 65 to move upward along the first swinging groove 63, the rack moves upward to enter the charging groove 72 and drives the first charging block 60 rightward, the first swinging plate 65 drives the third swinging plate 70 to rotate counterclockwise along the swinging shaft 69 through the third swinging groove 67, and the third swinging plate 70 rotates to cause the second swinging plate 66 to move downward along the second swinging groove 73 through the fourth swinging groove 68, the second swing plate 66 is disengaged from the first stopper groove 25.
When the pushing is started to disengage, the driving block 40 moves rightwards, so that the second driving plate 48 is positioned in the first driving groove 41 and the first driving plate 43 is positioned in the first driving groove 41, the driving block 40 moves rightwards to push the third bevel gear 47, the third bevel gear 47 drives the first driving shaft 46 to move rightwards, the first driving shaft 46 drives the driving sliding plate 45 to move rightwards along the driving sliding groove 44, the driving sliding plate 45 moves rightwards to compress the return spring 76, the driving sliding plate 45 drives the second driving shaft 49 to move rightwards, the second driving shaft 49 drives the pulling handle 51 to move rightwards, when the driving block 40 moves rightwards to the second driving cavity 36, the third bevel gear 47 moves rightwards to engage with the fourth bevel gear 55, and the second threaded shaft 39 drives the first driving plate 43 to rotate through the first driving groove 41, the first transmission plate 43 drives the transmission block 40 to rotate, the transmission block 40 drives the second transmission plate 48 to rotate through the second transmission groove 42, the second transmission plate 48 drives the third bevel gear 47 to rotate, the third bevel gear 47 drives the first transmission shaft 46 to rotate, the third bevel gear 47 drives the fourth bevel gear 55 to rotate, the fourth bevel gear 55 drives the third transmission shaft 53 to rotate, the third transmission shaft 53 drives the first belt pulley 54 to rotate, the first belt pulley 54 drives the transmission belt 58 to rotate through the transmission belt 58, the transmission belt 58 drives the fourth transmission shaft 56 to rotate, the fourth transmission shaft 56 drives the discharge gear 59 to rotate, the discharge gear 59 drives the rack to move to the right, and the rack drives the first charging block 60 to move to the right to be separated from the charging slot 72.
When resetting is started, the motor 28 rotates reversely to drive the first threaded shaft 29 to rotate reversely, the first threaded shaft 29 drives the release block 17 to rotate reversely, the release block 17 drives the blanking shaft 23 to rotate reversely in the blanking slot 22, the release block 17 moves downward under the drive of the first threaded shaft 29, the release block 17 drives the blanking shaft 23 to move downward and release the blanking spring 24, the release block 17 moves downward to disconnect the first blanking port 18 from the dry powder cavity 11, the first threaded shaft 29 drives the first bevel gear 30 to rotate reversely, the first bevel gear 30 drives the second bevel gear 71 to rotate reversely, the second bevel gear 71 drives the second threaded shaft 39 to rotate reversely, the pulling handle 51 is pushed leftwards to drive the second transmission shaft 49 to move leftwards, the second transmission shaft 49 drives the transmission sliding plate 45 to move leftwards, the transmission sliding plate 45 drives the first transmission shaft 46 to move leftwards, the first transmission shaft 46 drives the second transmission plate 48 to move left, the second transmission plate 48 drives the transmission block 40 to move left along the optical axis 75, the first transmission plate 43 is separated from the second transmission groove 42, the pulling handle 51 is pulled right to drive the second transmission shaft 49 to move right, the second transmission shaft 49 drives the transmission sliding plate 45 to move right, the transmission sliding plate 45 drives the first transmission shaft 46 to move right, the first transmission shaft 46 drives the third bevel gear 47 to move right, the third bevel gear 47 drives the second transmission plate 48 to move right, the second transmission plate 48 moves right to be separated from the second transmission groove 42, the second threaded shaft 39 rotates reversely to drive the transmission block 40 to move left through the first transmission cavity 35, and after reaching a position, the motor 28 stops rotating, and resetting is completed.
The above are only specific embodiments of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included within the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.

Claims (1)

1. The utility model provides an electric motor car battery protection device, includes the box and set up in outage device, power device and extinguishing device in the box, its characterized in that: the fire extinguishing device comprises a dry powder cavity arranged on the top end face of the box body, a pressing plate is arranged in the dry powder cavity in a vertically sliding fit manner, a fastening plate is arranged in the dry powder cavity in a threaded fit manner, the fastening plate is positioned above the pressing plate, a pressure spring is arranged between the pressing plate and the fastening plate, a discharging cavity is arranged below the dry powder cavity, a discharging port is arranged between the dry powder cavity and the discharging cavity, a releasing limiting plate is arranged on the top end wall of the discharging cavity, a releasing block is arranged in the discharging port in a vertically sliding fit manner, a first discharging port is annularly arranged on the outer side end face of the releasing block, a second discharging port extending downwards to the discharging cavity is arranged on the bottom end wall of the first discharging port, a discharging plate is fixedly arranged between the front side end wall and the rear side end wall of the dry powder cavity, the discharging plate is positioned on the lower side of the pressing plate, and a discharging ring is fixedly arranged on the bottom, a blanking groove extending upwards to the blanking plate is formed in the bottom end face of the blanking ring, a blanking shaft is arranged in the blanking groove in a vertically sliding fit mode, the bottom section of the blanking shaft is fixedly arranged on the release block, a blanking spring is fixedly arranged between the top end wall of the blanking groove and the top end face of the blanking shaft, and a power cavity is formed in the lower side of the blanking cavity; the power device comprises a motor fixedly arranged on the end wall of the bottom of the power cavity, a first threaded shaft which extends upwards to the blanking plate and is in threaded connection with the blanking plate is arranged on the motor in a power fit manner, the first threaded shaft penetrates through and is fixedly connected with the blanking port, a first bevel gear and a fan blade are fixedly arranged on the first threaded shaft, the first bevel gear is positioned below the fan blade, a first transmission cavity is arranged on the right side of the power cavity, a second transmission cavity is arranged on the right side of the first transmission cavity, the first transmission cavity is communicated with the second transmission cavity, a first release groove which extends upwards is arranged on the end wall of the top of the power cavity, the right side section of the release cavity is communicated with the first release groove, a charging cavity is arranged on the right side of the first release groove, the charging cavity is positioned on the upper side of the first transmission cavity, and a second release groove is arranged between the first release groove and the charging cavity, a second bevel gear meshed with the first bevel gear is arranged on the right side of the first bevel gear, a second threaded shaft extending rightwards to the second transmission cavity is fixedly arranged on the right end face of the second bevel gear, and an optical axis is fixedly arranged on the right end face of the second threaded shaft; the power-off device comprises a power-off connecting device, a power-off transmission device and a power-off swinging device, the power-off connecting device comprises a transmission block in threaded connection with the second threaded shaft, the transmission block is in sliding fit with the first transmission cavity from left to right, a first transmission groove and a second transmission groove are symmetrically arranged on the right side end face of the transmission block from top to bottom, a first transmission plate is fixedly arranged on the right side section of the optical axis, transmission sliding grooves are arranged on the top end wall and the bottom end wall of the second transmission cavity, a transmission sliding plate is arranged in the transmission sliding grooves in a sliding fit manner from left to right, a first transmission shaft is rotatably arranged on the left side end face of the transmission sliding plate in a matching manner, a third bevel gear is fixedly arranged on the left side end face of the first transmission shaft, a second transmission plate is symmetrically arranged on the left side end face of the third bevel gear, and a second transmission shaft extending to the right is fixedly arranged on the right side, a limiting plate is fixedly arranged on the right end face of the box body, a pulling handle is arranged on the right end face of the limiting plate, and a return spring is fixedly arranged between the right end face of the transmission sliding plate and the right end wall of the second transmission cavity; the power-off connecting device comprises a supporting plate fixedly arranged between the top end wall and the bottom end wall of the second transmission cavity, the supporting plate is positioned at the rear side of the third bevel gear, a third transmission shaft which extends forwards and penetrates through the supporting plate is arranged on the rear side end wall of the second transmission cavity in a rotating fit manner, a fourth bevel gear is fixedly arranged on the front end face of the third transmission shaft, a first belt wheel is fixedly arranged on the third transmission shaft, the first belt wheel is positioned at the rear side of the supporting plate, a third transmission cavity is arranged on the upper side of the second transmission cavity, a fourth transmission shaft is arranged between the front side end wall and the rear side end wall of the third transmission cavity in a rotating fit manner, a second belt wheel and a discharge gear are fixedly arranged on the fourth transmission shaft, the discharge gear is positioned at the front side of the second belt wheel, and a transmission belt is arranged between the second belt wheel and the first belt wheel in a transmission connection manner, a charging groove is formed in the lower side of the third transmission cavity, a first charging block is movably matched in the charging groove in a left-right mode, the front side section of the third transmission cavity is communicated with the charging groove, a first limiting groove is formed in the bottom end face of the first charging block, an inductor is fixedly arranged on the upper end face of the box body, and an air vent extending downwards to the outside is formed in the bottom end wall of the power cavity; the power-off swinging device comprises a swinging cavity arranged between the second transmission cavity and the charging groove, a charging sliding groove is arranged on the right side end wall of the charging cavity, the top end wall of the charging sliding groove is communicated with the outside, a second charging block is arranged in the charging sliding groove in a vertically sliding fit manner, a rack is fixedly arranged on the top end surface of the first charging block and is meshed with the discharge gear, a swinging shaft is arranged between the front side end wall and the rear side end wall of the swinging cavity in a rotating fit manner, a first swinging groove extending downwards to the first transmission cavity is arranged on the bottom end wall of the charging groove, the first swinging groove penetrates through the swinging cavity, a first swinging plate is arranged in the first swinging groove in a vertically sliding fit manner, a third swinging groove penetrating through the first swinging plate is arranged on the right side end surface of the first swinging plate, and a second swinging groove extending upwards to the charging groove is arranged on the bottom end surface of the swinging cavity, the swing mechanism is characterized in that a second swing plate is arranged in the second swing groove in a vertically sliding fit mode, a fourth swing groove penetrating through the second swing plate is formed in the end face of the right side of the second swing plate, a third swing plate is fixedly arranged on a swing shaft, the left side section of the third swing plate is located in the third swing groove, and the right side section of the third swing plate is located in the fourth swing groove.
CN202010087208.7A 2020-02-11 2020-02-11 Electric motor car battery protection device Active CN111114677B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010087208.7A CN111114677B (en) 2020-02-11 2020-02-11 Electric motor car battery protection device

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Application Number Priority Date Filing Date Title
CN202010087208.7A CN111114677B (en) 2020-02-11 2020-02-11 Electric motor car battery protection device

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Publication Number Publication Date
CN111114677A CN111114677A (en) 2020-05-08
CN111114677B true CN111114677B (en) 2020-12-04

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Families Citing this family (2)

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Publication number Priority date Publication date Assignee Title
CN111544801B (en) * 2020-05-16 2021-04-16 北京博纳菲德科技有限公司 Automatic fire extinguishing device suitable for electrical equipment
CN113274674B (en) * 2021-05-31 2022-03-29 广东中嘉消防救援科技有限公司 Fire fighting equipment and fire fighting method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102485343B1 (en) * 2017-12-13 2023-01-05 현대자동차주식회사 Locking device
CN209581194U (en) * 2019-02-11 2019-11-05 山东中潍能源科技有限公司 A kind of new-energy automobile charging pile with urgent fire-proof function
CN209357872U (en) * 2019-03-20 2019-09-06 上海永意消防器材有限公司 A kind of battery charging self-extinguishing guard box
CN110227221B (en) * 2019-07-05 2023-12-29 安徽鑫思诚科技有限公司 Intelligent fire extinguishing device for lithium battery box of electric vehicle

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Address before: 231300 Hangbu Town Street, Shucheng County, Lu'an City, Anhui Province

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