CN115021375A - Automatic charging power-off protection equipment for lithium battery - Google Patents

Automatic charging power-off protection equipment for lithium battery Download PDF

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Publication number
CN115021375A
CN115021375A CN202210840827.8A CN202210840827A CN115021375A CN 115021375 A CN115021375 A CN 115021375A CN 202210840827 A CN202210840827 A CN 202210840827A CN 115021375 A CN115021375 A CN 115021375A
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CN
China
Prior art keywords
battery
charging
power
charging pile
automatic
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Pending
Application number
CN202210840827.8A
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Chinese (zh)
Inventor
张伟斌
吴阳阳
吴凡
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Xiamen Weierpaike New Energy Technology Co ltd
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Xiamen Weierpaike New Energy Technology Co ltd
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Priority to CN202210840827.8A priority Critical patent/CN115021375A/en
Publication of CN115021375A publication Critical patent/CN115021375A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00304—Overcurrent protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6556—Solid parts with flow channel passages or pipes for heat exchange
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6567—Liquids
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/00309—Overheat or overtemperature protection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/005—Detection of state of health [SOH]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Medical Informatics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention relates to a lithium battery charging protection device, in particular to an automatic charging power-off protection device for a lithium battery. The automatic charging power-off protection equipment for the lithium battery can automatically power off after the battery is fully charged, and avoids damage caused by overload of the battery. The invention is realized by the following technical approaches: the utility model provides an automatic power-off protection equipment that charges of lithium cell, is including filling electric pile, the storehouse of charging, apron, battery box, ventilation net etc. fills electric pile mid-mounting and has been used for carrying out the storehouse of charging that charges to the battery, fills electric pile upper portion bilateral symmetry slidingtype and is equipped with the apron that can dismantle, fills electric pile inner middle part slidingtype and is equipped with the battery box that can dismantle, fills electric pile right part below and installs the ventilation net. Can stop immediately after the battery full charge to charge through the electric quantity detector, and can make the air circulate and cool down the battery under the effect of ventilation net, so can avoid the battery temperature after charging to last too high.

Description

Automatic charging power-off protection equipment for lithium battery
Technical Field
The invention relates to a lithium battery charging protection device, in particular to an automatic charging power-off protection device for a lithium battery.
Background
The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, has extremely long service life, and needs to be protected to a certain extent at the moment in order to avoid damage caused by overcharge due to unattended charging.
Patent publication No. CN206790179U discloses a charging device for lithium cell, including the device body, cylindrical lithium cell box that charges is installed to one side of device body, cylindrical lithium cell box that charges's upper wall is fixed with flip, and the output of controller and the input electric connection of motor, the output of motor and radiator fan's input electric connection, the device can be when charging to the square lithium cell, dispel the heat in real time to guarantee that the lithium cell can not shorten because overheated lead to the lithium cell life-span in the charging process, but the device can't be automatic outage after the battery is full of the electricity, thereby very easily lead to transshipping to make the battery damage.
In view of the above technical problems, there is a need to design an automatic power-off protection device for lithium battery charging, which can automatically power off after the battery is fully charged and avoid the battery from being damaged due to overload.
Disclosure of Invention
In order to overcome the defect that the conventional charging device cannot be automatically powered off after the battery is fully charged, so that the battery is easily damaged due to overload, the automatic charging power-off protection equipment for the lithium battery is capable of automatically powering off after the battery is fully charged, and the damage of the battery due to overload is avoided.
The invention is realized by the following technical approaches: the utility model provides an automatic power-off protection equipment that charges of lithium cell, including filling electric pile, the storehouse of charging, an apron, battery box and ventilation net, it has the storehouse of charging that is used for charging the battery to fill electric pile mid-mounting, it is equipped with the apron that can dismantle to fill electric pile upper portion bilateral symmetry slidingtype, it is equipped with the battery box that can dismantle to fill electric pile middle part slidingtype in, it installs the ventilation net to fill electric pile right part below, a serial communication port, still including placing charging mechanism and automatic power-off mechanism, it places charging mechanism to be equipped with in the electric pile, it is equipped with the automatic power-off mechanism that can make the battery not contact with the storehouse of charging after being full of electricity to place charging mechanism and fill between the electric pile.
In a preferred embodiment of the invention, a U-shaped groove is formed on the rear side of the battery box.
In a preferred embodiment of the invention, the charging mechanism comprises a limiting rod, a first push plate, elastic pieces and a slide rail, the slide rail is symmetrically arranged on the front side and the rear side of the right part in the charging pile, the first push plate is connected between the left sides of the slide rails in a sliding manner, the four elastic pieces are connected between the first push plate and the charging pile, the limiting rod is symmetrically arranged on the front side and the rear side of the left side of the top of the first push plate, and the battery box is connected with the limiting rod in a sliding manner.
In a preferred embodiment of the invention, the automatic power-off mechanism comprises an electric quantity detector, a second push plate and a cylinder, the cylinders are symmetrically arranged at the front and back of the left part in the charging pile, telescopic rods of the cylinders are connected with the charging pile in a sliding manner, the second push plate capable of pushing the battery box away is connected between the right ends of the telescopic rods of the cylinders, the second push plate is in contact with the battery box, and the electric quantity detector is arranged on the upper side of the left part of the battery box.
In a preferred embodiment of the invention, the device further comprises a power-off protection mechanism capable of rapidly cooling the battery, the power-off protection mechanism comprises a fan, a liquid circulating pump, a connecting pipe and a condensing pipe, the fan capable of blowing air to rapidly cool the battery is installed on the lower right side of the charging pile, the fan is located on the lower side of the ventilation net, the condensing pipe is installed on the lower right side of the charging pile, the condensing pipe is located on the lower side of the fan, the liquid circulating pump is installed on the lower right side of the rear end of the charging pile, the connecting pipe is installed on the rear right side of the condensing pipe, and the liquid circulating pump is communicated with the connecting pipe and the condensing pipe.
In a preferred embodiment of the invention, the battery charger further comprises a charging protection mechanism capable of avoiding the overheating during the charging of the battery, the charging protection mechanism comprises a heat radiating fin, a first rotating rod, a connecting shaft and a rotating sleeve, the rotating sleeves are symmetrically arranged on the front and back of the upper side of the left part of the battery box, the first rotating rod is rotatably connected between the rotating sleeves, the connecting shaft is arranged on the rear side of the first rotating rod, and the heat radiating fin capable of avoiding the overheating during the charging of the battery is arranged on the connecting shaft.
In a preferred embodiment of the invention, the charging pile further comprises a ventilation mechanism, the ventilation mechanism comprises a rack, a gear and a first torsion spring, the gear is installed at the front end of the first rotating rod, the rack is installed on the upper right side of the inner front wall of the charging pile, and the first torsion spring is connected between the gear and the front rotating sleeve.
In a preferred embodiment of the invention, the charging pile further comprises a rotating mechanism capable of removing dust on the battery and avoiding influence on heat dissipation, the rotating mechanism comprises a material clamping plate, a pull rod, a second rotating rod, a second torsion spring, a guide wheel and a pull rope, the material clamping plate is installed on the rear side of the left portion in the charging pile, the pull rod is placed on the material clamping plate, the second rotating rod capable of removing dust on the battery and avoiding influence on heat dissipation is rotatably arranged in the middle of the heat dissipation plate, the second torsion spring is connected between the front side of the second rotating rod and the heat dissipation plate, the guide wheel is installed on the rear side of the second rotating rod, the pull rope is connected between the guide wheel and the pull rod, the pull rope penetrates through the heat dissipation plate and is in sliding connection, and the second rotating rod can be in contact with the battery.
The invention has the following advantages: 1. can stop immediately after the battery full charge to charge through the electric quantity detector, and can make the air circulate and cool down the battery under the effect of ventilation net, so can avoid the battery temperature after charging to last too high.
2. The cooling of the battery is accelerated by the cooling liquid flowing through the fan and the condenser tube, so that it is not necessary to consume excessive time.
3. Under the heat dissipation effect of the heat dissipation sheet, the battery can be prevented from being excessively hot in the charging process.
4. Rotate through the second bull stick and can make the battery rotate, so can make the heat of battery partly by the diffusion of heat at the pivoted in-process, and then the cooling effect of improvement to the battery that can step forward.
Drawings
Fig. 1 is a schematic perspective view of a first viewing angle according to the present invention.
Fig. 2 is a schematic structural diagram of a second perspective portion of the present invention.
Fig. 3 is a schematic perspective view of the charging mechanism according to the present invention.
Fig. 4 is a schematic diagram of a first partially-separated body structure of the auto-power-off mechanism of the present invention.
Fig. 5 is a schematic perspective view of a second part of the auto-power-off mechanism of the present invention.
Fig. 6 is a schematic perspective view of a first part of the power-off protection mechanism of the present invention.
Fig. 7 is a perspective view of a second part of the power-off protection mechanism of the present invention.
Fig. 8 is a schematic perspective view of the charging protection mechanism of the present invention.
Fig. 9 is a schematic view of a first partial body structure of the ventilation mechanism of the present invention.
Fig. 10 is a schematic view of a second partial body structure of the ventilation mechanism of the present invention.
Fig. 11 is a schematic view of a first partial body structure of the rotating mechanism of the present invention.
Fig. 12 is a schematic view of a second partial body structure of the rotating mechanism of the present invention.
The parts are labeled as follows: 1. fill electric pile, 2, the storehouse of charging, 3, the apron, 31, the battery box, 32, the ventilation net, 4, place the mechanism that charges, 41, the gag lever post, 42, first push pedal, 43, the elastic component, 44, the slide rail, 5, auto-power-off mechanism, 51, the charge detector, 52, the second push pedal, 53, the cylinder, 6, the power-off protection mechanism, 61, the fan, 62, the liquid circulation pump, 63, the connecting pipe, 64, the condenser pipe, 7, the protection mechanism that charges, 71, the fin, 72, first bull stick, 73, the connecting axle, 74, the swivel housing, 8, ventilation mechanism, 81, the rack, 82, the gear, 83, first torsion spring, 9, slewing mechanism, 91, card material board, 92, the pull rod, 93, the second bull stick, 94, the second torsion spring, 95, the guide pulley, 96, the stay cord, 33, the U-shaped groove.
Detailed Description
It is to be noted that, in the case of the different described embodiments, identical components are provided with the same reference numerals or the same component names, wherein the disclosure contained in the entire description can be transferred to identical components having the same reference numerals or the same component names in a meaningful manner. The positional references selected in the description, such as upper, lower, lateral, etc., refer also to the directly described and illustrated figures and are to be read into the new position in the sense of a change in position.
Example 1
The utility model provides an automatic outage protection equipment that charges of lithium cell, refer to fig. 1-3, including filling electric pile 1, the storehouse 2 charges, apron 3, battery box 31, ventilation net 32, place charging mechanism 4 and automatic outage mechanism 5, it has charging storehouse 2 to fill electric pile 1 middle part rigid coupling, charging storehouse 2 is used for charging to the battery, it is equipped with apron 3 that can dismantle to fill electric pile 1 upper portion bilateral symmetry slidingtype, it is equipped with battery box 31 that can dismantle to fill electric pile 1 interior middle part slidingtype, it has ventilation net 32 to fill electric pile 1 right part lower side rigid coupling, it places charging mechanism 4 to be equipped with in the electric pile 1, it is equipped with automatic outage mechanism 5 to place charging mechanism 4 and fill electric pile 1 between, automatic outage mechanism 5 can make the battery fully charge the back automatic not contact with charging storehouse 2.
Referring to fig. 3, a U-shaped groove 33 is formed on the rear side of the battery case 31.
Referring to fig. 3 and 4, the charging mechanism 4 includes a limiting rod 41, a first pushing plate 42, elastic members 43 and a sliding rail 44, the sliding rail 44 is fixedly connected to the front and rear sides of the right portion of the charging pile 1, the first pushing plate 42 is connected to the left side of the sliding rail 44 in a sliding manner, four elastic members 43 are connected between the first pushing plate 42 and the charging pile 1, the limiting rod 41 is fixedly connected to the front and rear sides of the top of the first pushing plate 42 in a sliding manner, and the battery box 31 is connected to the limiting rod 41 in a sliding manner.
Referring to fig. 5, the automatic power-off mechanism 5 includes an electrical quantity detector 51, a second push plate 52 and an air cylinder 53, the air cylinders 53 are symmetrically and fixedly connected to the front and the back of the left portion of the charging pile 1, an expansion rod of the air cylinder 53 is connected with the charging pile 1 in a sliding manner, the second push plate 52 is connected between the right ends of the expansion rods of the air cylinder 53, the battery box 31 can be pushed away by the second push plate 52, the second push plate 52 is in contact with the battery box 31, and the electrical quantity detector 51 is fixedly connected to the upper side of the left portion of the battery box 31.
When the lithium battery needs to be charged, a worker can firstly take the cover plate 3 off the charging pile 1, then take the battery box 31 out, put the battery into the battery box 31, and have the foolproof effect under the action of the U-shaped groove 33 to avoid putting the battery reversely, then put the battery box 31 back into the charging pile 1, at this time, the battery box 31 is inserted into the limiting rod 41, at this time, the battery is contacted with the charging cabin 2, the worker can discharge the charging cabin 2, so as to charge the battery, the electric quantity detector 51 can detect the electric quantity of the battery, when the electric quantity detector 51 detects that the electric quantity of the battery is full, the telescopic rod of the air cylinder 53 is controlled to extend to drive the second push plate 52 to move rightwards, so as to drive the battery box 31, the battery and the limiting rod 41 to move rightwards, further to drive the first push plate 42 to move rightwards, the elastic piece 43 is compressed, so that the battery box 31 is positioned above the ventilation net 32, air alright circulate through ventilation network 32, so can cool down the battery after charging, avoid battery temperature to last too high influence life, the battery cooling finishes the back alright take out the battery in the battery box 31, control cylinder 53 telescopic link shortens to drive second push pedal 52 and moves left and resets, second push pedal 52 moves left and no longer supports battery box 31, battery box 31 under the effect of elastic component 43, first push pedal 42 and gag lever post 41 move left and reset, it discharges to stop charging storehouse 2 when no longer needing to charge to the battery.
Example 2
On embodiment 1's basis, refer to fig. 2, fig. 6 and fig. 7 show, still including power-off protection mechanism 6, power-off protection mechanism 6 can make battery rapid cooling, power-off protection mechanism 6 is including fan 61, liquid circulation pump 62, connecting pipe 63 and condenser pipe 64, it has fan 61 to fill 1 right part lower side rigid coupling of electric pile, fan 61 can blow out and make battery rapid cooling, fan 61 is in ventilation net 32 downside, it has condenser pipe 64 to fill 1 right part lower side rigid coupling of electric pile, condenser pipe 64 is in fan 61 downside, it has liquid circulation pump 62 to fill 1 rear end right side downside rigid coupling of electric pile, condenser pipe 64 right rear side rigid coupling has connecting pipe 63, liquid circulation pump 62 and connecting pipe 63 and condenser pipe 64 all communicate with each other.
Battery box 31 drives the battery and moves right and can be in fan 61 and condenser pipe 64 top, the staff still can start liquid circulating pump 62 and fan 61 work, fan 61 work just can blow out, so can make the air flow that fills electric pile 1 right side more rapid, so can be with higher speed the cooling of battery, liquid circulating pump 62 work alright make the interior cooling liquid of condenser pipe 64 flow, thereby the coolant liquid is constantly through condenser pipe 64, liquid circulating pump 62 and connecting pipe 63 carry out circulation flow, so can further reach the cooling effect to the battery, reduce the required cooling time of battery, battery cooling finishes after alright stop liquid circulating pump 62 and fan 61 work.
Referring to fig. 2 and 8, the charger protection device further comprises a charger protection mechanism 7, the charger protection mechanism 7 can avoid overheating when the battery is charged, the charger protection mechanism 7 comprises a heat dissipation sheet 71, a first rotating rod 72, a connecting shaft 73 and a rotating sleeve 74, the rotating sleeve 74 is symmetrically and fixedly connected to the front and back of the upper side of the left portion of the battery box 31, the rotating sleeve 74 is rotatably connected with the first rotating rod 72, the rear side of the first rotating rod 72 is fixedly connected with the connecting shaft 73, the connecting shaft 73 is fixedly connected with a heat dissipation sheet 71, and the heat dissipation sheet 71 can avoid overheating when the battery is charged.
When the battery needs to be put into, the staff can upwards rotate the cooling fin 71 to drive the first rotating rod 72 and the connecting shaft 73 to rotate, then the battery is put into the battery box 31, then the cooling fin 71 is rotated to drive the first rotating rod 72 and the connecting shaft 73 to rotate and reset, the cooling fin 71 can be covered above the battery, therefore, when the battery is charged, the heat conducting performance of the cooling fin 71 can be used, the situation that the battery is excessively hot when the battery is charged can be avoided, when the battery is cooled down and taken out after the charging is finished, the cooling fin 71 is upwards rotated again, and the battery is not covered.
Referring to fig. 2, 9 and 10, the charging pile further comprises a ventilation mechanism 8, the ventilation mechanism 8 comprises a rack 81, a gear 82 and a first torsion spring 83, the gear 82 is fixedly connected to the front end of the first rotating rod 72, the rack 81 is fixedly connected to the upper right side of the inner front wall of the charging pile 1, and the first torsion spring 83 is connected between the gear 82 and the front rotating sleeve 74.
The battery box 31 moves rightwards to drive the heat radiating fin 71, the first rotating rod 72, the connecting shaft 73, the rotating sleeve 74, the gear 82 and the first torsion spring 83 to move rightwards, when the gear 82 moves to be meshed with the rack 81 and then continues to move, the gear 82 rotates under the action of the rack 81 to drive the first rotating rod 72, the connecting shaft 73 and the heat radiating fin 71 to rotate upwards, the first torsion spring 83 deforms, so that the heat radiating fin 71 does not cover the battery automatically, heat radiation and taking out of the battery are facilitated, when the battery box 31 moves leftwards to drive the heat radiating fin 71, the first rotating rod 72, the connecting shaft 73, the rotating sleeve 74, the gear 82 and the first torsion spring 83 to move leftwards, at the moment, under the combined action of the rack 81 and the first torsion spring 83, the gear 82 rotates and resets, and the first rotating rod 72, the connecting shaft 73 and the heat radiating fin 71 rotate downwards.
Referring to fig. 2, 11 and 12, the battery charging pile further comprises a rotating mechanism 9, the rotating mechanism 9 can remove dust on the battery to avoid affecting heat dissipation, the rotating mechanism 9 comprises a material clamping plate 91, a pull rod 92, a second rotating rod 93, a second torsion spring 94, a guide wheel 95 and a pull rope 96, the material clamping plate 91 is fixedly connected to the rear side of the left portion in the charging pile 1, the pull rod 92 is placed on the material clamping plate 91, the second rotating rod 93 is rotatably arranged in the middle of the cooling fin 71, the dust on the battery can be removed by the second rotating rod 93 to avoid affecting heat dissipation, the second torsion spring 94 is connected between the front side of the second rotating rod 93 and the cooling fin 71, the guide wheel 95 is fixedly connected to the rear side of the second rotating rod 93, the pull rope 96 is connected between the guide wheel 95 and the pull rod 92, the pull rope 96 penetrates through the cooling fin 71 and is connected in a sliding manner, and the second rotating rod 93 can be in contact with the battery.
When the battery box 31 is clamped on the limiting rod 41, the pull rod 92 is clamped on the material clamping plate 91, the heat radiating fin 71 moves rightwards to drive the second rotating rod 93, the second torsion spring 94, the guide wheel 95 and the pull rope 96 to move rightwards, and the pull rod 92 is clamped by the material clamping plate 91 and cannot move rightwards, so that the guide wheel 95 can rotate under the action of the pull rope 96, the guide wheel 95 rotates to drive the second rotating rod 93 to rotate, the second torsion spring 94 deforms, the second rotating rod 93 rotates to drive the battery to rotate, the heat dissipation of the battery can be faster, meanwhile, the second rotating rod 93 rotates to absorb dust on the surface of the battery, the influence of the dust on the heat dissipation of the battery is avoided, when the heat radiating fin 71 moves leftwards to drive the second rotating rod 93, the second torsion spring 94, the guide wheel 95 and the pull rope 96 to move leftwards, the pull rope 96 is gradually loosened, and the second rotating rod 93 and the guide wheel 95 rotate to reset under the action of the second torsion spring 94, the guide wheel 95 is rotated and reset to wind the pull rope 96.
While the disclosure has been described with respect to a limited number of embodiments, those skilled in the art, having benefit of this disclosure, will appreciate that various other embodiments can be devised which do not depart from the scope of the invention as disclosed herein. Accordingly, the scope of the invention should be limited only by the attached claims.

Claims (8)

1. An automatic charging power-off protection device for a lithium battery comprises a charging pile (1), a charging bin (2), a cover plate (3), a battery box (31) and a ventilation net (32), wherein the charging bin (2) for charging the battery is arranged in the middle of the charging pile (1), the cover plate (3) which can be disassembled is arranged on the upper portion of the charging pile (1) in a sliding mode in a bilateral symmetry mode, the battery box (31) which can be disassembled is arranged in the middle of the charging pile (1) in a sliding mode, the ventilation net (32) is arranged on the lower side of the right portion of the charging pile (1), the charging device is characterized by further comprising a charging mechanism (4) and an automatic power-off mechanism (5), wherein the charging mechanism (4) is arranged in the charging pile (1), and the automatic power-off mechanism (5) which can enable the battery not to be in contact with the charging bin (2) automatically after the battery is fully charged is arranged between the charging mechanism (4) and the charging pile (1).
2. An automatic charging power-off protection device for lithium batteries according to claim 1, characterized in that the rear side of the battery box (31) is provided with a U-shaped groove (33).
3. The automatic charging power-off protection device for the lithium battery as claimed in claim 1, wherein the charging mechanism (4) comprises a limiting rod (41), a first push plate (42), elastic members (43) and a slide rail (44), the slide rail (44) is symmetrically installed on the front side and the rear side of the right portion in the charging pile (1), the first push plate (42) is connected between the left sides of the slide rail (44) in a sliding manner, four elastic members (43) are connected between the first push plate (42) and the charging pile (1), the limiting rod (41) is symmetrically installed on the front side and the rear side of the left side of the top of the first push plate (42), and the battery box (31) is connected with the limiting rod (41) in a sliding manner.
4. The automatic charging power-off protection device for the lithium battery as claimed in claim 1, wherein the automatic power-off mechanism (5) comprises an electric quantity detector (51), a second push plate (52) and a cylinder (53), the cylinders (53) are symmetrically installed in the front and back of the left portion of the charging pile (1), the telescopic rod of the cylinder (53) is connected with the charging pile (1) in a sliding mode, the second push plate (52) capable of pushing the battery box (31) away is connected between the right ends of the telescopic rod of the cylinder (53), the second push plate (52) is in contact with the battery box (31), and the electric quantity detector (51) is installed on the upper side of the left portion of the battery box (31).
5. The automatic charging power-off protection device for the lithium battery as claimed in claim 1, which further comprises a power-off protection mechanism (6) capable of rapidly cooling the battery, wherein the power-off protection mechanism (6) comprises a fan (61), a liquid circulation pump (62), a connecting pipe (63) and a condensation pipe (64), the fan (61) capable of blowing air to rapidly cool the battery is installed on the lower right side of the charging pile (1), the fan (61) is located on the lower side of the ventilation net (32), the condensation pipe (64) is installed on the lower right side of the charging pile (1), the condensation pipe (64) is located on the lower side of the fan (61), the liquid circulation pump (62) is installed on the lower right side of the rear end of the charging pile (1), the connecting pipe (63) is installed on the rear right side of the condensation pipe (64), and the liquid circulation pump (62) is communicated with the connecting pipe (63) and the condensation pipe (64).
6. The automatic charging power-off protection device for the lithium battery as claimed in claim 1, further comprising a charging protection mechanism (7) capable of avoiding excessive heating during charging of the battery, wherein the charging protection mechanism (7) comprises heat dissipation fins (71), a first rotating rod (72), a connecting shaft (73) and a rotating sleeve (74), the rotating sleeve (74) is symmetrically installed on the front and back of the upper side of the left part of the battery box (31), the first rotating rod (72) is rotatably connected between the rotating sleeves (74), the connecting shaft (73) is installed on the rear side of the first rotating rod (72), and the heat dissipation fins (71) capable of avoiding excessive heating during charging of the battery are installed on the connecting shaft (73).
7. The automatic charging power-off protection device for the lithium battery as claimed in claim 6, further comprising a ventilation mechanism (8), wherein the ventilation mechanism (8) comprises a rack (81), a gear (82) and a first torsion spring (83), the gear (82) is installed at the front end of the first rotating rod (72), the rack (81) is installed on the right upper side of the inner front wall of the charging pile (1), and the first torsion spring (83) is connected between the gear (82) and the front rotating sleeve (74).
8. The automatic charging power-off protection device for the lithium battery as claimed in claim 6, further comprising a rotating mechanism (9) capable of removing dust on the battery to avoid influence on heat dissipation, wherein the rotating mechanism (9) comprises a material clamping plate (91), a pull rod (92), a second rotating rod (93), a second torsion spring (94), a guide wheel (95) and a pull rope (96), the material clamping plate (91) is installed at the rear side of the left portion in the charging pile (1), the pull rod (92) is placed on the material clamping plate (91), the second rotating rod (93) capable of removing dust on the battery to avoid influence on heat dissipation is rotatably arranged in the middle of the radiating fin (71), the second torsion spring (94) is connected between the front side of the second rotating rod (93) and the radiating fin (71), the guide wheel (95) is installed at the rear side of the second rotating rod (93), and the pull rope (96) is connected between the guide wheel (95) and the pull rod (92), the pull cord (96) is passed through the heat sink (71) and is slidably connected, and the second rotating lever (93) can be brought into contact with the battery.
CN202210840827.8A 2022-07-18 2022-07-18 Automatic charging power-off protection equipment for lithium battery Pending CN115021375A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210840827.8A CN115021375A (en) 2022-07-18 2022-07-18 Automatic charging power-off protection equipment for lithium battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210840827.8A CN115021375A (en) 2022-07-18 2022-07-18 Automatic charging power-off protection equipment for lithium battery

Publications (1)

Publication Number Publication Date
CN115021375A true CN115021375A (en) 2022-09-06

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Application Number Title Priority Date Filing Date
CN202210840827.8A Pending CN115021375A (en) 2022-07-18 2022-07-18 Automatic charging power-off protection equipment for lithium battery

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117013663A (en) * 2023-09-25 2023-11-07 思远创电子(广州)股份有限公司 Code scanning gun charging device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117013663A (en) * 2023-09-25 2023-11-07 思远创电子(广州)股份有限公司 Code scanning gun charging device
CN117013663B (en) * 2023-09-25 2024-01-16 思远创电子(广州)股份有限公司 Code scanning gun charging device

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