CN111038298A - Charging protection device for lithium battery of battery car - Google Patents

Charging protection device for lithium battery of battery car Download PDF

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Publication number
CN111038298A
CN111038298A CN202010049803.1A CN202010049803A CN111038298A CN 111038298 A CN111038298 A CN 111038298A CN 202010049803 A CN202010049803 A CN 202010049803A CN 111038298 A CN111038298 A CN 111038298A
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CN
China
Prior art keywords
adjusting
cavity
wall
sliding
adjusting cavity
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202010049803.1A
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Chinese (zh)
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongyang Pingzhou Electric Vehicle Technology Co Ltd
Original Assignee
Dongyang Pingzhou Electric Vehicle Technology Co Ltd
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Filing date
Publication date
Application filed by Dongyang Pingzhou Electric Vehicle Technology Co Ltd filed Critical Dongyang Pingzhou Electric Vehicle Technology Co Ltd
Priority to CN202010049803.1A priority Critical patent/CN111038298A/en
Publication of CN111038298A publication Critical patent/CN111038298A/en
Withdrawn legal-status Critical Current

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    • 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
    • B60L53/10—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 characterised by the energy transfer between the charging station and the vehicle
    • B60L53/14—Conductive energy transfer
    • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
    • 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
    • B60L53/30—Constructional details of charging stations
    • B60L53/31—Charging columns specially adapted for electric vehicles
    • 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
    • B60L53/60—Monitoring or controlling charging stations
    • 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
    • Y02T90/12—Electric charging stations
    • 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)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Secondary Cells (AREA)

Abstract

The invention discloses a charging protection device for a lithium battery of a battery car, which comprises a charging pile, wherein an adjusting cavity is arranged in the charging pile, an adjusting device which changes resistance and changes the magnitude of charging current is arranged in the adjusting cavity, the adjusting device comprises binding posts which are fixedly connected with the inner wall of the right side of the adjusting cavity and face the inner wall of the right side of the adjusting cavity up and down, the sliding protection device adopts rheostats which can be adjusted in a sliding mode, the switching of a charging mode is controlled by utilizing the time ratio of gear engagement and disengagement under the transmission of a gear pair and a sliding pair through a power extension shaft in a timer, the lithium battery is charged more reasonably, in addition, after an adjusting block under the sliding pair triggers a pressure sensor for a certain time, a mechanism which holds the charging head part in a bidirectional mode slides to separate a plug from a socket, the electric.

Description

Charging protection device for lithium battery of battery car
Technical Field
The invention relates to the technical field of circuit protection, in particular to a charging protection device for a lithium battery of a battery car.
Background
The battery car is used as a convenient transportation means for working, and is increasingly widely used. However, since the working hours of the working group are fixed, the charging time of the lithium battery in the battery car is in the working hours or in the late night hours.
However, the lithium battery has a limited capacity, and the safety of the lithium battery is challenged by long-term charging. Even though the existing battery has the self-cut-off protection function, in recent years, the overcharge and explosion of the battery car are not few because a charging wire is still inserted into a socket, and the temperature of a connecting point is raised by current to ignite and explode. The present invention sets forth a device that solves the above problems.
Disclosure of Invention
The technical problem is as follows:
the existing lithium battery has the capacity of full-power disconnection, but does not have the capacity of automatically separating a charging wire from a socket, and still has the problem of battery combustion and explosion due to overlong charging time.
In order to solve the problems, the embodiment designs a charging protection device of a lithium battery of a battery car, which comprises a charging pile, wherein an adjusting cavity is arranged in the charging pile, an adjusting device for changing the size of charging current by changing resistance is arranged in the adjusting cavity, the adjusting device comprises a binding post which is fixedly connected with the inner wall of the right side of the adjusting cavity and is opposite to the inner wall of the right side of the adjusting cavity from top to bottom, a sliding rheostat which is fixedly connected with the binding post, an adjusting block which is slidably connected with the left side of the sliding rheostat, a wire inserting hole which is arranged on the inner wall of the left side of the adjusting cavity, a wire inserting plate which is fixedly connected with the wire inserting hole and is in electric connection with the adjusting block, the adjusting block changes the length of the sliding rheostat connected into a circuit from top to bottom so as to change, the control device comprises a support fixedly connected with the inner wall of the right side of the adjusting cavity, a fixed shaft connected with the support in a rotating mode, a rotary drum fixedly connected with the lower side of the fixed shaft, a wave groove positioned on the rotary drum, and a shifting lever which is connected with the wave groove in a sliding mode and fixedly connected with the adjusting block, wherein the rotary drum is limited by the inner wall of the wave groove to drive the adjusting block to slide up and down, a pressure sensor which is positioned on the lower side of the adjusting block and abutted against the adjusting block is arranged in the adjusting cavity, a separating device which is positioned on the lower side of the pressure sensor is arranged in the adjusting cavity, and the separating device comprises a displacement box which is connected with the inner wall of the left side of the adjusting cavity in a sliding mode, a transmission cavity which is positioned in the displacement box, sliding cavities which are positioned on the inner wall of the upper side of the transmission, With add and hold arm sliding connection's butt plate, and connect in the butt plate with add the buffer spring between the arm, add and hold the arm and be in slide intracavity and be close to each other and slide to rely on the butt plate adapts to the electric wire thickness, the butt plate is two-wayly add after holding the charging wire end the displacement case slides and extracts.
The curtain device that falls still including being located adjust the lift chamber on the inner wall of chamber left side, sliding connection has the extension door that extends to in the plug wire hole in the lift chamber, sliding connection have in the lift chamber with flexible door fixed connection's connecting rod, the connecting rod with fixed connection between the driving lever.
Wherein the control device also comprises a connecting box fixedly connected with the upper side of the fixed shaft, a torque spring is connected between the connecting box and the bracket, a connecting cavity is arranged in the connecting box, six inclined clamping rods are distributed in the connecting cavity in an annular array manner, the inner wall of the top side of the adjusting cavity is rotationally connected with a driven shaft, the driven shaft is provided with a rotating wheel positioned in the connecting cavity, six inclined plane push blocks distributed in an annular array are connected on the rotating wheel in a sliding manner, a resistance spring is connected between each inclined plane push block and the rotating wheel, the inclined plane push block is connected with the inclined plane clamping rod in a sliding way, a gear positioned at the upper side of the connecting box is arranged on the driven shaft, the timing device is characterized in that a timer positioned on the left side of the driven shaft is embedded in the inner wall of the top side of the adjusting cavity, a transmission shaft is in power connection with the lower side of the timer, and an intermittent gear in meshing connection with the gear is arranged on the transmission shaft.
Preferably, the ratio of toothed section to non-toothed section of the intermittent gear is four to one.
The separation device further comprises a rotating shaft which is connected with the inner wall of the bottom side of the binding post in a rotating mode and is symmetrical front and back, a linking gear is fixedly arranged at the upper end of the rotating shaft, a rhombic groove which is connected with a holding arm in a sliding mode is formed in the end face of the upper side of the linking gear, a rack which is connected with the inner wall of the right side of the transmission cavity in a sliding mode is meshed with the linking gear, a reset ring which is located in the adjusting cavity is fixedly arranged on the outer side of the transmission cavity, a reset spring is connected between the reset ring and the inner wall of the left side of the adjusting cavity, the inner wall of the right side of the adjusting cavity is fixedly connected with a hydraulic press which is.
The invention has the beneficial effects that: the invention adopts the rheostat which can be adjusted in a sliding way, controls the switching of the charging mode by utilizing the time ratio of gear engagement and disengagement under the transmission of the gear pair and the sliding pair through the power extension shaft in the timer, and charges the lithium battery more reasonably.
Drawings
For ease of illustration, the invention is described in detail by the following specific examples and figures.
FIG. 1 is a schematic diagram of the overall structure of a charging protection device for lithium batteries of an electric vehicle according to the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 1;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1;
FIG. 5 is a schematic view of the structural formula in the direction "D-D" of FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-5, for ease of description, the orientations described below will now be defined as follows: 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.
The invention relates to a charging protection device for a lithium battery of a battery car, which is mainly applied to the circuit protection process of long-time charging of the lithium battery of the battery car, and the invention is further explained by combining the attached drawings of the invention:
the charging protection device for the lithium battery of the battery car comprises a charging pile 11, wherein an adjusting cavity 12 is arranged in the charging pile 11, an adjusting device 901 with variable resistance for changing the charging current is arranged in the adjusting cavity 12, the adjusting device 901 comprises a binding post 20 which is fixedly connected with the inner wall of the right side of the adjusting cavity 12 and is vertically opposite to the inner wall, a sliding rheostat 21 which is fixedly connected with the binding post 20, an adjusting block 29 which is slidably connected with the left side of the sliding rheostat 21, a wire inserting hole 26 which is positioned on the inner wall of the left side of the adjusting cavity 12, and an inserting plate 25 which is fixedly connected with the wire inserting hole 26 and is in electric wire connection with the adjusting block 29, the adjusting block 29 vertically changes the length of the sliding rheostat 21 connected into a circuit so as to change the current, a control device 902 which enables the adjusting block 29 to slide is arranged in the adjusting cavity 12, and the control device 902 comprises a bracket 14 which is fixedly, A fixed shaft 16 rotatably connected with the bracket 14, a rotating drum 17 fixedly connected with the lower side of the fixed shaft 16, a wave groove 19 positioned on the rotating drum 17, and a shift lever 18 slidably connected with the wave groove 19 and fixedly connected with the adjusting block 29, wherein the rotating drum 17 selectively limits the shift lever 18 to drive the adjusting block 29 to slide up and down through the inner wall of the wave groove 19, a pressure sensor 27 positioned at the lower side of the adjusting block 29 and abutted against the adjusting block 29 is arranged in the adjusting chamber 12, a separating device 903 positioned at the lower side of the pressure sensor 27 is arranged in the adjusting chamber 12, the separating device 903 comprises a displacement box 24 slidably connected with the inner wall at the left side of the adjusting chamber 12, a transmission chamber 50 positioned in the displacement box 24, a sliding chamber 45 positioned at the inner wall at the upper side of the transmission chamber 50 and bilaterally symmetrical, and a holding arm 42 slidably connected with the sliding chamber 45, An abutting plate 44 connected with the adding and holding arm 42 in a sliding mode, and a buffer spring 43 connected between the abutting plate 44 and the adding and holding arm 42, wherein the adding and holding arms 42 slide close to each other in the sliding cavity 45, the thickness of the electric wire is adapted by means of the abutting plate 44, and the displacement box 24 slides and is pulled out after the abutting plate 44 is used for bidirectionally adding and holding the charging wire head.
According to an embodiment, the adjusting device 901 is described in detail below, the curtain falling device 901 further includes a lifting cavity 30 located on the inner wall on the left side of the adjusting cavity 12, a retractable door 28 extending into the wire insertion hole 26 is slidably connected in the lifting cavity 30, a connecting rod 31 fixedly connected with the retractable door 28 is slidably connected in the lifting cavity 30, the connecting rod 31 is fixedly connected with the shift lever 18, the retractable door 28 slides up to open the wire insertion hole 26, and the inserting plate 25 is exposed and is convenient to insert and pull out.
According to the embodiment, the control device 902 is described in detail below, the control device 902 further includes a connecting box 13 fixedly connected to the upper side of the fixed shaft 16, a torque spring 15 is connected between the connecting box 13 and the bracket 14, a connecting cavity 38 is provided in the connecting box 13, six inclined plane clamping bars 40 are distributed in the connecting cavity 38 in an annular array, a driven shaft 36 is rotatably connected to the inner wall of the top side of the adjusting cavity 12, a rotating wheel 37 located in the connecting cavity 38 is provided on the driven shaft 36, six inclined plane pushing blocks 41 distributed in an annular array are slidably connected to the rotating wheel 37, a resistance spring 39 is connected between the inclined plane pushing block 41 and the rotating wheel 37, the inclined plane pushing block 41 and the inclined plane clamping bar 40 are slidably connected, a gear 35 located on the upper side of the connecting box 13 is provided on the driven shaft 36, a timer 34 located on the left side of the driven shaft 36 is embedded in the inner wall of the top side of the adjusting cavity 12, the lower side of the timer 34 is in power connection with a transmission shaft 33, the transmission shaft 33 is provided with an intermittent gear 32 engaged with the gear 35, the inclined plane push block 41 and the inclined plane clamping rod 40 are in vertical surface abutting joint, the power on the joining cavity 38 sequentially passes through the rotating wheel 37, the inclined plane push block 41 and the inclined plane clamping rod 40 to drive the joining box 13 to rotate, the torque spring 15 continues to have elastic potential energy, and the rotating drum 17 is driven by the fixed shaft 16 to rotate to move the shift lever 18 upwards to the uppermost side.
Advantageously, the ratio of toothed to non-toothed sections of the intermittent gear 32 is four to one.
According to the embodiment, the following detailed description is provided for the separation device 903, the separation device 903 further includes a rotating shaft 48 rotatably connected to the inner wall of the bottom side of the terminal 20 and symmetrical front and back, an engaging gear 49 is fixedly disposed at the upper end of the rotating shaft 48, a diamond-shaped groove 46 slidably connected to the holding arm 42 is disposed on the upper end surface of the engaging gear 49, a rack 47 engaged with the engaging gear 49 is slidably connected to the inner wall of the right side of the transmission cavity 50, a reset ring 51 located in the adjusting cavity 12 is fixedly disposed on the outer side of the transmission cavity 50, a reset spring 52 is connected between the reset ring 51 and the inner wall of the left side of the adjusting cavity 12, the inner wall of the right side of the adjusting cavity 12 is fixedly connected to the hydraulic machine 22 in signal connection with the pressure sensor 27, a hydraulic push rod 23 fixedly connected to the rack 47 is dynamically connected to the left side of the hydraulic machine 22, the hydraulic push rod 23 is pushed to move left, the rack 47 is meshed with the connecting gear 49 to select the connecting gear 49, so that the radius of the contact point of the rotating shaft 48 and the clamping arm 42 is reduced, the clamping arm 42 slides close to each other, and after the rack 47 is abutted against the inner wall of the left side of the transmission cavity 50, the rack 47 pushes the displacement box 24 to move left to pull out a plug.
The following describes in detail the usage steps of the charging protection device for lithium batteries of an electric vehicle with reference to fig. 1 to 5:
initially, the retractable door 28 closes the wire insertion hole 26 to prevent the wire insertion plate 25 from being exposed, the longest radius of the diamond-shaped groove 46 is slidably connected with the holding arms 42, the distance between the holding arms 42 is the largest, the hydraulic push rod 23 contracts, and the reset ring 51 is not squeezed.
During charging, the timer 34 is manually adjusted, the timer 34 selects the intermittent gear 32 through the transmission shaft 33, the driven shaft 36 rotates under the engagement of the intermittent gear 32 and the gear 35, at the moment, the inclined plane push block 41 is vertically abutted with the inclined plane clamping rod 40, the power on the connecting cavity 38 sequentially passes through the rotating wheel 37, the inclined plane push block 41 and the inclined plane clamping rod 40 to drive the connecting box 13 to rotate, the torque spring 15 continues to have elastic potential energy, the rotating drum 17 rotates under the drive of the fixed shaft 16 to move the shift lever 18 upwards to the uppermost side, meanwhile, the shift lever 18 moves upwards to drive the telescopic door 28 to move upwards through the connecting rod 31, the plug wire hole 26 is opened, and a charging wire head is manually inserted into the plug board 25 to perform charging;
eighty percent of quick charging, a timer 34 is started to rotate an intermittent gear 32 through a transmission shaft 33, the intermittent gear 32 is disengaged from a gear 35, at the moment, a fixed shaft 16 is driven by a torque spring 15 to rotate, so that a rotary drum 17 rotates reversely, a deflector rod 18 drives a telescopic door 28 to move downwards, the telescopic door 28 is abutted against a charging head to stretch, the deflector rod 18 drives an adjusting block 29 to move downwards, the length of a slide rheostat 21 connected with a circuit is increased, resistance is increased, charging current is reduced, and trickle charging is realized;
after the adjusting block 29 moves downwards to the pressure sensor 27 for abutting, the hydraulic press 22 starts to push the hydraulic push rod 23 to move leftwards, the rack 47 is pushed to move leftwards, the rack 47 is meshed with the engaging gear 49 to select the engaging gear 49, so that the radius of the contact point of the rotating shaft 48 and the clamping arm 42 is reduced, the clamping arm 42 slides close to each other, after the rack 47 abuts against the inner wall of the left side of the transmission cavity 50, the rack 47 pushes the displacement box 24 to move leftwards to pull out a plug, and the contraction part of the telescopic door 28 slides downwards to seal the wire inserting hole 26.
The invention has the beneficial effects that: the invention adopts the rheostat which can be adjusted in a sliding way, controls the switching of the charging mode by utilizing the time ratio of gear engagement and disengagement under the transmission of the gear pair and the sliding pair through the power extension shaft in the timer, and charges the lithium battery more reasonably.
In the above manner, a person skilled in the art can make various changes depending on the operation mode within the scope of the present invention.

Claims (5)

1. The utility model provides a charging protection device of storage battery car lithium cell, includes fills electric pile, it adjusts the chamber to be equipped with in the electric pile, its characterized in that: an adjusting device for changing the magnitude of the charging current by changing the resistance is arranged in the adjusting cavity;
the adjusting device comprises a binding post which is fixedly connected with the inner wall of the right side of the adjusting cavity and is vertically opposite to the inner wall of the right side of the adjusting cavity, a sliding rheostat which is fixedly connected with the binding post, an adjusting block which is slidably connected with the left side of the sliding rheostat, a wire inserting hole which is positioned on the inner wall of the left side of the adjusting cavity, and an inserting plate which is fixedly connected with the wire inserting hole and is in electric wire connection with the adjusting block, wherein the adjusting block vertically changes the length of the sliding rheostat connected into a circuit so as to;
the adjusting cavity is internally provided with a control device for enabling the adjusting block to slide, the control device comprises a support fixedly connected with the inner wall of the right side of the adjusting cavity, a fixed shaft rotatably connected with the support, a rotary drum fixedly connected with the lower side of the fixed shaft, a wave groove positioned on the rotary drum, and a shift lever which is slidably connected with the wave groove and fixedly connected with the adjusting block, the rotary drum selectively limits the shift lever to drive the adjusting block to slide up and down through the inner wall of the wave groove, the adjusting cavity is internally provided with a pressure sensor which is positioned on the lower side of the adjusting block and abutted against the adjusting block, and the adjusting cavity is internally provided with a separating device which is positioned on the lower side of the pressure sensor;
the separating device comprises a displacement box in sliding connection with the inner wall of the left side of the adjusting cavity, a transmission cavity in the displacement box, sliding cavities which are positioned on the inner wall of the upper side of the transmission cavity and are bilaterally symmetrical, a clamping arm in sliding connection with the sliding cavities, a butt plate in sliding connection with the clamping arm, and a buffer spring connected between the butt plate and the clamping arm, wherein the clamping arms slide close to each other in the sliding cavities and adapt to the thickness of an electric wire by means of the butt plate, and the displacement box is pulled out in a sliding manner after the butt plate clamps the charging wire head in a bidirectional mode.
2. The charging protection device for the lithium battery of the battery car as claimed in claim 1, characterized in that: the curtain device that falls still including being located adjust the lift chamber on the inner wall of chamber left side, sliding connection has the extension door that extends to in the plug wire hole in the lift chamber, sliding connection have in the lift chamber with flexible door fixed connection's connecting rod, the connecting rod with fixed connection between the driving lever.
3. The charging protection device for the lithium battery of the battery car as claimed in claim 1, characterized in that: the control device also comprises a connecting box fixedly connected with the upper side of the fixed shaft, a torque spring is connected between the connecting box and the bracket, a connecting cavity is arranged in the connecting box, six inclined clamping rods are distributed in the connecting cavity in an annular array manner, the inner wall of the top side of the adjusting cavity is rotationally connected with a driven shaft, the driven shaft is provided with a rotating wheel positioned in the connecting cavity, six inclined plane push blocks distributed in an annular array are connected on the rotating wheel in a sliding manner, a resistance spring is connected between each inclined plane push block and the rotating wheel, the inclined plane push block is connected with the inclined plane clamping rod in a sliding way, a gear positioned at the upper side of the connecting box is arranged on the driven shaft, the timing device is characterized in that a timer positioned on the left side of the driven shaft is embedded in the inner wall of the top side of the adjusting cavity, a transmission shaft is in power connection with the lower side of the timer, and an intermittent gear in meshing connection with the gear is arranged on the transmission shaft.
4. The charging protection device for the lithium battery of the battery car as claimed in claim 3, characterized in that: the proportion of the toothed section to the non-toothed section of the intermittent gear is four to one.
5. The charging protection device for the lithium battery of the battery car as claimed in claim 1, characterized in that: the separating device further comprises a rotating shaft which is connected with the inner wall of the bottom side of the binding post in a rotating mode and is symmetrical front and back, a linking gear is fixedly arranged at the upper end of the rotating shaft, a rhombic groove which is connected with a holding arm in a sliding mode is formed in the end face of the upper side of the linking gear, a rack which is connected with the right side of the transmission cavity in a sliding mode is connected with the linking gear in a meshing mode, a reset ring which is located in the adjusting cavity is fixedly arranged on the outer side of the transmission cavity, a reset spring is connected between the reset ring and the inner wall of the left side of the adjusting cavity, the inner wall of the right side of the adjusting cavity is fixedly connected with a hydraulic press.
CN202010049803.1A 2020-01-16 2020-01-16 Charging protection device for lithium battery of battery car Withdrawn CN111038298A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010049803.1A CN111038298A (en) 2020-01-16 2020-01-16 Charging protection device for lithium battery of battery car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010049803.1A CN111038298A (en) 2020-01-16 2020-01-16 Charging protection device for lithium battery of battery car

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Publication Number Publication Date
CN111038298A true CN111038298A (en) 2020-04-21

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CN202010049803.1A Withdrawn CN111038298A (en) 2020-01-16 2020-01-16 Charging protection device for lithium battery of battery car

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111942196A (en) * 2020-08-19 2020-11-17 西安电子科技大学芜湖研究院 New energy charging pile capable of timely extinguishing fire and automatically cutting off power supply
CN113036316A (en) * 2021-03-04 2021-06-25 东莞市金辉电源科技有限公司 Corrosion-resistant electron cigarette battery of environmental protection

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111942196A (en) * 2020-08-19 2020-11-17 西安电子科技大学芜湖研究院 New energy charging pile capable of timely extinguishing fire and automatically cutting off power supply
CN113036316A (en) * 2021-03-04 2021-06-25 东莞市金辉电源科技有限公司 Corrosion-resistant electron cigarette battery of environmental protection
CN113036316B (en) * 2021-03-04 2022-06-14 广东力王新能源股份有限公司 Corrosion-resistant electron cigarette battery of environmental protection

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