CN112573309A - Charging cable extension system of charging pile of new energy automobile and working method - Google Patents

Charging cable extension system of charging pile of new energy automobile and working method Download PDF

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Publication number
CN112573309A
CN112573309A CN202011499367.4A CN202011499367A CN112573309A CN 112573309 A CN112573309 A CN 112573309A CN 202011499367 A CN202011499367 A CN 202011499367A CN 112573309 A CN112573309 A CN 112573309A
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China
Prior art keywords
cable
spiral
section
charging
along
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CN202011499367.4A
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Chinese (zh)
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崔云兰
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4481—Arrangements or adaptations for driving the reel or the material
    • B65H75/4486—Electric motors
    • 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
    • B60L53/18—Cables specially adapted for charging electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H75/00—Storing webs, tapes, or filamentary material, e.g. on reels
    • B65H75/02—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks
    • B65H75/34—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables
    • B65H75/38—Cores, formers, supports, or holders for coiled, wound, or folded material, e.g. reels, spindles, bobbins, cop tubes, cans, mandrels or chucks specially adapted or mounted for storing and repeatedly paying-out and re-storing lengths of material provided for particular purposes, e.g. anchored hoses, power cables involving the use of a core or former internal to, and supporting, a stored package of material
    • B65H75/44—Constructional details
    • B65H75/4457—Arrangements of the frame or housing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/34—Handled filamentary material electric cords or electric power cables
    • 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

Abstract

The invention discloses a charging cable extension system of a charging pile of a new energy automobile, which comprises a charging pile shell, wherein a charging pile main body is arranged in the charging pile shell, a power supply output end of the charging pile main body is connected with a charging cable, and the tail end of the charging cable is connected with a charging gun; a cable extender is also arranged in the charging pile shell; the cable extender can wind one section of the charging cable in a vortex manner; the invention can prolong the length of the charging cable exposed outside the charging pile shell and connected with the charging gun according to the requirement, so that the service range of the charging cable is wider, and a part of the charging cable exposed outside the charging pile shell can be automatically retracted according to the storage requirement.

Description

Charging cable extension system of charging pile of new energy automobile and working method
Technical Field
The invention belongs to the field of charging of new energy automobiles.
Background
The longer the charging cable exposed outside the charging pile shell and connected with the charging gun is theoretically, the larger the range which can be served by the charging pile can be; when the cable exposed outside the charging pile shell is too long, the cable is easy to knot and is not easy to store; it is therefore desirable to design a device that extends the length of the charging cable exposed outside the charging post housing only when needed.
Disclosure of Invention
The purpose of the invention is as follows: in order to overcome the defects in the prior art, the invention provides a charging cable extension system and a working method of a charging pile of a new energy automobile, wherein the charging cable extension system can extend a cable.
The technical scheme is as follows: in order to achieve the purpose, the charging cable extension system of the charging pile of the new energy automobile comprises a charging pile shell, wherein a charging pile main body is arranged in the charging pile shell, a power supply output end of the charging pile main body is connected with a charging cable, and the tail end of the charging cable is connected with a charging gun;
a cable extender is also arranged in the charging pile shell; the cable extender can be used for winding one section of the charging cable in a vortex mode.
Furthermore, the charging cable sequentially comprises a first cable section, a second cable section, a third cable section and a fourth cable section along the length direction; the first section of the cable is fixed in the charging pile shell, the second section of the cable and the third section of the cable are wound in the cable extender, the fourth section of the cable is exposed outside the charging pile shell, and the tail end of the fourth section of the cable is connected with the charging gun.
Furthermore, the cable extender comprises a fixedly installed disc, a plurality of fixed columns are distributed on the disc along an Archimedes spiral path in an equidistant array mode, the axis of each fixed column is parallel to the axis of the fixed disc, a rotary restraining sleeve is movably sleeved on each fixed column coaxially, and each rotary restraining sleeve can freely rotate along the axis; the rotary restraining sleeves are distributed in an equidistant array along the Archimedes spiral path, and gaps are kept between every two adjacent rotary restraining sleeves;
recording a set of a plurality of rotary restraining sleeves distributed in an equidistant array along the Archimedes spiral path as a rotary restraining sleeve Archimedes spiral array; forming an Archimedes spiral passageway extending along the Archimedes spiral path in the array of revolving constraining sleeves Archimedes spiral; the spiral plate is characterized by further comprising a spiral plate extending in an Archimedes spiral, one side, away from the disc, of each fixing column is fixed on the spiral plate, a spiral hollow-out window extending along an Archimedes path is formed on the spiral plate, and the spiral path of the spiral hollow-out window is consistent with that of the Archimedes spiral passageway;
the contour of one side of the Archimedes spiral passageway close to the center of the spiral is recorded as an inner passageway contour, and the contour of one side of the Archimedes spiral passageway far away from the center of the spiral is recorded as an outer passageway contour;
a walking pulley is arranged in the Archimedes spiral passageway, and the axis of the walking pulley is parallel to the axis of the disc; the width of the Archimedes spiral passageway is the same as the diameter of the outer contour of the walking pulley, the walking pulley is simultaneously in rolling fit with the rotary restraining sleeve on the inner contour of the passageway and the rotary restraining sleeve on the outer contour of the passageway, the walking pulley can walk along the spiral path of the Archimedes spiral passageway under the restraint of the inner contour of the Archimedes spiral passageway and the outer contour of the passageway, and the walking pulley can freely rotate along the axis of the walking pulley when walking along the spiral path of the Archimedes spiral passageway;
a rotary motor is fixedly mounted on the disc, and the axis of a rotary output shaft of the rotary motor is superposed with the center of the spiral of the Archimedes spiral passageway; a rotary block is fixedly mounted at the tail end of the rotary output shaft, a pair of parallel guide rods is fixedly connected to the rotary block, and the extending direction of the pair of parallel guide rods is perpendicular to the axis of the rotary output shaft; the guide rod is provided with two guide holes, and the two guide rods penetrate through the two guide holes in a sliding manner, so that the slide block can only slide along the extension direction of the guide rod; the pulley is in running fit with a pulley shaft through a first bearing, and one end of the pulley shaft penetrates through the spiral hollow window and is fixed on the sliding block, so that the pulley and the sliding block are synchronous;
a roller bracket is fixedly connected to one side of the fixed disc, a driving roller and a driven roller are rotatably arranged on the roller bracket through bearings, a motor is mounted on the roller bracket, and an output shaft of the motor is in driving connection with the driving roller;
the roller axes of the driving roller and the driven roller are parallel to the axis of the rotary output shaft, the driving roller and the driven roller are matched in a rolling manner, an annular cable groove is formed in the wheel surface of the driving roller, the charging cable penetrates through the cable groove between the driving roller and the driven roller, and the cable groove can be dragged to penetrate through the charging cable between the driving roller and the driven roller along the tangential direction under the action of friction force due to the rotation of the driving roller;
the connection part of the second section of the cable and the third section of the cable crosses over the pulley groove of the pulley, and the connection part of the third section of the cable and the fourth section of the cable passes through the cable groove between the driving roller and the driven roller.
Furthermore, lubricating oil is arranged between the inner wall of each rotary restraining sleeve and the outer wall of the fixed column.
Furthermore, a first pulley limiting pile is fixedly arranged at one end, close to the center of the spiral, of the Archimedes spiral passageway along the spiral path, and a second pulley limiting pile is fixedly arranged at one end, far away from the center of the spiral, of the Archimedes spiral passageway along the spiral path.
Further, the working method of the charging cable extension system of the charging pile of the new energy automobile comprises the following steps:
the method for shortening the fourth section of the cable exposed outside the charging pile shell comprises the following steps:
controlling a rotary motor to enable a rotary output shaft to rotate anticlockwise, so that two wire guide rods drive a sliding block to rotate anticlockwise along the rotary output shaft, the sliding block can drive a pulley to rotate anticlockwise along the rotary output shaft, meanwhile, the traveling pulley can be restrained by the inner contour and the outer contour of an aisle of an Archimedes spiral aisle while rotating anticlockwise along the rotary output shaft, the traveling pulley can travel along the spiral anticlockwise path of the Archimedes spiral aisle and gradually approaches to the center of the spiral, and when the traveling pulley travels along the spiral anticlockwise path of the Archimedes spiral aisle, each rotary restraining sleeve can freely rotate, so that the traveling pulley is still in a state of freely rotating along the axis of the traveling pulley, the pulley can gradually drag a strided charging cable, and the second section of the cable and the third section of the cable are gradually lengthened; the total length of the charging cable is unchanged, the length of the first section of the cable in a fixed state is also unchanged, and the second section of the cable and the third section of the cable are gradually lengthened, so that the fourth section of the cable exposed outside the charging pile shell can be automatically shortened; meanwhile, the driving roller is controlled to rotate anticlockwise adaptively, the rotation of the driving roller enables the cable groove to drag and pass through the charging cable between the driving roller and the driven roller along the anticlockwise tangential direction under the action of friction force, and the fourth section of the cable is more smoothly retracted into the cable extender;
the method for lengthening the fourth section of the cable exposed outside the charging pile shell comprises the following steps:
controlling a rotary motor to enable a rotary output shaft to rotate clockwise, so that two wire guide rods drive a sliding block to rotate clockwise along the rotary output shaft, the sliding block drives a pulley to rotate clockwise along the rotary output shaft, meanwhile, the traveling pulley can be restrained by the inner contour and the outer contour of an aisle of an Archimedes spiral aisle while rotating clockwise along the rotary output shaft, further, the traveling pulley can travel along the spiral clockwise path of the Archimedes spiral aisle and gradually get away from the center of the spiral, when the traveling pulley travels along the spiral clockwise path of the Archimedes spiral aisle, each rotary restraining sleeve can freely rotate, so that the traveling pulley is still in a state of freely rotating along the axis of the traveling pulley, and the second section of the original tightly-tightened cable and the third section of the cable can be loosened in the process that the traveling pulley travels along the spiral clockwise path of the Archimedes spiral aisle and gradually gets away from the center of the spiral, meanwhile, the driving roller is controlled to rotate clockwise adaptively, the clockwise rotation of the driving roller enables the cable groove to drag and penetrate through the charging cable between the driving roller and the driven roller along the clockwise tangential direction under the action of friction force, the third section of the loose cable is gradually dragged outwards so as to gradually lengthen the fourth section of the cable, meanwhile, the third section of the loose cable is always kept in a stretched straight state, and the second section of the cable can also be kept in the stretched straight state along with the free rotation of the walking pulley, so that the second section of the cable and the third section of the cable can be gradually shortened; because the total length of charging cable is unchangeable, and the length of the first section of cable of fixed state also can not change, and cable second section and cable third section all shorten gradually, consequently expose and can automatically lengthen at the cable fourth section that fills electric pile shell outside.
Has the advantages that: the invention can prolong the length of the charging cable exposed outside the charging pile shell and connected with the charging gun according to the requirement, so that the service range of the charging cable is wider, and a part of the charging cable exposed outside the charging pile shell can be automatically retracted according to the storage requirement.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a charging pile;
FIG. 2 is a first perspective cut-away view of the cable extender;
FIG. 3 is a second perspective cut-away view of the cable extender;
FIG. 4 is a top view of FIG. 3;
FIG. 5 is a partially enlarged view of the active roller and the passive roller in a bottom view;
FIG. 6 is a schematic view of the cable extender with the fourth length of cable exposed to the exterior of the charging post housing at its longest;
fig. 7 is a schematic view of the cable extender with the fourth section of the cable exposed outside the charging pile housing being the shortest;
FIG. 8 is a perspective view of the state of FIG. 6;
FIG. 9 is an enlarged partial schematic view of FIG. 8;
fig. 10 is a schematic view of a cable extender with disks, fixing posts, swivel constraining sleeves, and a threaded plate removed.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
The charging cable extension system of the charging pile of the new energy automobile shown in fig. 1 to 10 comprises a charging pile shell 13, wherein the charging pile shell 13 is internally provided with a charging pile main body 16, a power supply output end 15 of the charging pile main body 16 is connected with a charging cable 12, and the tail end of the charging cable 12 is connected with a charging gun 17;
a cable extender 14 is also arranged in the charging pile shell 13; the cable extender 14 is capable of winding a length of the charging cable 12 in a vortex.
The charging cable 12 sequentially comprises a first cable section 12.1, a second cable section 12.2, a third cable section 12.3 and a fourth cable section 12.4 along the length direction; the first cable section 12.1 is fixed in the charging pile shell 13, the second cable section 12.2 and the third cable section 12.3 are coiled in the cable extender 14, the fourth cable section 12.4 is exposed outside the charging pile shell 13, and the tail end of the fourth cable section 12.4 is connected with the charging gun 17.
The cable extender 14 comprises a fixedly installed disc 7, a plurality of fixed columns 2 are distributed on the disc 7 along an Archimedes spiral path in an equidistant array mode, the axis of each fixed column 2 is parallel to the axis of the fixed disc 7, a rotary restraining sleeve 5 is coaxially and movably sleeved on each fixed column 2, and each rotary restraining sleeve 5 can freely rotate along the axis; the rotary restraining sleeves 5 are distributed along the Archimedes spiral path in an equidistant array mode, and gaps are kept between every two adjacent rotary restraining sleeves 5;
recording a set of a plurality of rotary constraint sleeves 5 distributed along the Archimedes spiral path in an equidistant array as a rotary constraint sleeve Archimedes spiral array; forming an Archimedes spiral passageway 4 extending along the Archimedes spiral path in the array of revolving constraining sleeves Archimedes spiral; the device also comprises a spiral plate 24 extending in an Archimedes spiral, one side of each fixing column 2, which is far away from the disc 7, is fixed on the spiral plate 24, a spiral hollow-out window 18 extending along the Archimedes path is formed on the spiral plate 24, and the spiral path of the spiral hollow-out window 18 is consistent with that of the Archimedes spiral passageway 4;
the contour of one side of the Archimedes spiral passage 4 close to the spiral center 3 is recorded as an inner passage contour 1.1, and the contour of one side of the Archimedes spiral passage 4 far away from the spiral center 3 is recorded as an outer passage contour 1.2;
a walking pulley 6 is arranged in the Archimedes spiral passageway 4, and the axis of the walking pulley 6 is parallel to the axis of the disc 7; the aisle width of the Archimedes spiral aisle 4 is the same as the diameter of the outer contour of the walking pulley 6, the walking pulley 6 is simultaneously in rolling fit with the turning restraining sleeve 5 on the inner aisle contour 1.1 and the turning restraining sleeve 5 on the outer aisle contour 1.2, the walking pulley 6 can walk along the spiral path of the Archimedes spiral aisle 4 under the restraint of the inner aisle contour 1.1 and the outer aisle contour 1.2 of the Archimedes spiral aisle 4, and when the walking pulley 6 walks along the spiral path of the Archimedes spiral aisle 4, the walking pulley 6 can freely turn along the axis of the walking pulley 6;
a rotary motor 19 is fixedly mounted on the disc 7, and the axis of a rotary output shaft 0 of the rotary motor 19 is superposed with the spiral center 3 of the Archimedes spiral passageway 4; a rotary block 20 is fixedly mounted at the tail end of the rotary output shaft 0, a pair of parallel guide rods 25 is fixedly connected to the rotary block 20, and the extending direction of the pair of parallel guide rods 25 is perpendicular to the axis of the rotary output shaft 0; the wire guide device further comprises a sliding block 23, wherein two guide holes 22 are formed in the sliding block 23, and two wire guide rods 25 slide through the two guide holes 22, so that the sliding block 23 can only slide along the extension direction of the guide rods 25; the pulley 6 is rotatably matched with a pulley shaft 21 through a first bearing 60, one end of the pulley shaft 21 passes through the spiral hollow window 18 and is fixed on the sliding block 23, and therefore the pulley 6 and the sliding block 23 are synchronous;
a roller bracket 26 is fixedly connected to one side of the fixed disc 7, a driving roller 11 and a driven roller 29 are rotatably arranged on the roller bracket 26 through bearings, a motor 28 is mounted on the roller bracket 26, and an output shaft 40 of the motor 28 is in driving connection with the driving roller 11;
the roller axes of the driving roller 11 and the driven roller 29 are both parallel to the axis of the rotary output shaft 0, the driving roller 11 and the driven roller 29 are in rolling fit with each other, an annular cable groove 38 is formed in the wheel surface of the driving roller 11, the charging cable 12 passes through the cable groove 38 between the driving roller 11 and the driven roller 29, and the rotation of the driving roller 11 can enable the cable groove 38 to be dragged to pass through the charging cable 12 between the driving roller 11 and the driven roller 29 along the tangential direction under the action of friction force;
the joint of the second cable segment 12.2 and the third cable segment 12.3 crosses the pulley groove 37 of the pulley 6, and the joint of the third cable segment 12.3 and the fourth cable segment 12.4 passes through the cable groove 38 between the driving roller 11 and the driven roller 29.
Lubricating oil is arranged between the inner wall of each rotary restraining sleeve 5 and the outer wall of the fixed column 2.
A first pulley limit pile 30 is fixedly arranged at one end, close to the spiral center 3, of the Archimedes spiral passageway 4 along the spiral path, and a second pulley limit pile 9 is fixedly arranged at one end, far away from the spiral center 3, of the Archimedes spiral passageway 4 along the spiral path.
The working principle of the scheme is as follows:
the cable extension method of the charging cable extension system of the charging pile of the new energy automobile comprises the following steps:
the method for shortening the fourth section 12.4 of the cable exposed outside the charging pile housing 13 comprises the following steps:
in an initial state as shown in fig. 7, the rotary motor 19 is controlled to rotate the rotary output shaft 0 counterclockwise, so that the two wire rods 25 drive the sliding block 23 to rotate counterclockwise along the rotary output shaft 0, at this time, the sliding block 23 drives the pulley 6 to rotate counterclockwise along the rotary output shaft 0, at the same time, the traveling pulley 6 is constrained by the inner aisle outline 1.1 and the outer aisle outline 1.2 of the archimedean spiral aisle 4 while rotating counterclockwise along the rotary output shaft 0, so that the traveling pulley 6 travels along the spiral counterclockwise path of the archimedean spiral aisle 4 and gradually approaches to the spiral center 3, when the traveling pulley 6 travels along the spiral counterclockwise path of the archimedean spiral aisle 4, each rotating constraining sleeve 5 can freely rotate, so that the traveling pulley 6 is still in a state of freely rotating along the axis thereof, and the pulley 6 gradually drags over the charging cable 12, further, the second section 12.2 and the third section 12.3 of the cable are gradually lengthened; because the total length of the charging cable 12 is unchanged, the length of the first section 12.1 of the cable in a fixed state is also unchanged, and the second section 12.2 of the cable and the third section 12.3 of the cable are gradually lengthened, the fourth section 12.4 of the cable exposed outside the charging pile shell 13 is automatically shortened; meanwhile, the driving roller 11 is controlled to rotate counterclockwise adaptively, the rotation of the driving roller 11 causes the cable groove 38 to drag and pass through the charging cable 12 between the driving roller 11 and the driven roller 29 along the counterclockwise tangential direction under the action of friction force, so that the fourth section 12.4 of the cable is more smoothly retracted into the cable extender 14; the state of the cable extender 14 at this time is as shown in fig. 6;
the method for lengthening the fourth section 12.4 of the cable exposed outside the charging pile housing 13 comprises the following steps:
at the initial state as shown in fig. 6, the rotary motor 19 is controlled to rotate the rotary output shaft 0 clockwise, so that the two wire rods 25 drive the sliding block 23 to rotate clockwise along the rotary output shaft 0, at this time, the sliding block 23 drives the pulley 6 to rotate clockwise along the rotary output shaft 0, at the same time, the traveling pulley 6 rotates clockwise along the rotary output shaft 0 and is restrained by the inner aisle outline 1.1 and the outer aisle outline 1.2 of the archimedean spiral aisle 4, so that the traveling pulley 6 travels clockwise along the spiral of the archimedean spiral aisle 4 and gradually gets away from the spiral center 3, when the traveling pulley 6 travels clockwise along the spiral of the archimedean spiral aisle 4, each rotating restraining sleeve 5 can freely rotate, so the traveling pulley 6 is still in a state of freely rotating along the axis of the traveling pulley, and the traveling clockwise along the spiral of the archimedean spiral aisle 4 and gradually gets away from the spiral center 3 can make the original traveling pulley 6 rotate clockwise along the spiral center 3 The second cable section 12.2 and the third cable section 12.3 in a tightened state become loose, meanwhile, the driving roller 11 is controlled to rotate clockwise in an adaptive manner, the clockwise rotation of the driving roller 11 enables the cable groove 38 to drag and pass through the charging cable 12 between the driving roller 11 and the driven roller 29 along the clockwise tangential direction under the action of friction force, the third loose cable section 12.3 is gradually dragged outwards so as to gradually lengthen the fourth cable section 12.4, meanwhile, the third loose cable section 12.3 is always kept in a tightened state, and the second cable section 12.2 can also keep in a tightened state because the walking pulley 6 can freely rotate, so that the second cable section 12.2 and the third cable section 12.3 can be gradually shortened; because the total length of the charging cable 12 is unchanged, the length of the first section 12.1 of the cable in a fixed state is also unchanged, and the second section 12.2 of the cable and the third section 12.3 of the cable are gradually shortened, the fourth section 12.4 of the cable exposed outside the charging pile shell 13 is automatically lengthened; the state of the cable extender 14 at this time is as shown in fig. 7;
the above description is only of the preferred embodiments of the present invention, and it should be noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the invention and these are intended to be within the scope of the invention.

Claims (8)

1. The charging cable extension system of the charging pile of the new energy automobile comprises a charging pile shell (13), wherein the charging pile shell (13) is provided with a charging pile main body (16) in the charging pile shell (13), a power supply output end (15) of the charging pile main body (16) is connected with a charging cable (12), and the tail end of the charging cable (12) is connected with a charging gun (17);
the method is characterized in that: a cable extender (14) is also arranged in the charging pile shell (13); the cable extender (14) is capable of winding a section of the charging cable (12) in a vortex manner.
2. The charging cable extension system of the charging pile of the new energy automobile as claimed in claim 1, wherein: the charging cable (12) sequentially comprises a first cable section (12.1), a second cable section (12.2), a third cable section (12.3) and a fourth cable section (12.4) along the length direction; the charging device is characterized in that the first cable section (12.1) is fixed in the charging pile shell (13), the second cable section (12.2) and the third cable section (12.3) are coiled in the cable extender (14), the fourth cable section (12.4) is exposed outside the charging pile shell (13), and the tail end of the fourth cable section (12.4) is connected with the charging gun (17).
3. The charging cable extension system of the charging pile of the new energy automobile as claimed in claim 2, characterized in that: the cable extender (14) comprises a fixedly installed disc (7), a plurality of fixed columns (2) are distributed on the disc (7) along an Archimedes spiral path in an equidistant array mode, the axis of each fixed column (2) is parallel to the axis of the fixed disc (7), a rotary restraining sleeve (5) is coaxially and movably sleeved on each fixed column (2), and each rotary restraining sleeve (5) can freely rotate along the axis; the rotary restraining sleeves (5) are distributed in an equidistant array along the Archimedes spiral path, and gaps are kept between every two adjacent rotary restraining sleeves (5);
recording a set of a plurality of rotary restraining sleeves (5) distributed along the Archimedes spiral path in an equidistant array as a rotary restraining sleeve Archimedes spiral array; an Archimedes spiral passageway (4) extending along the path of the Archimedes spiral is formed in the array of rotating confinement sleeve Archimedes spirals.
4. The charging cable extension system of the charging pile of the new energy automobile as claimed in claim 2, characterized in that: the fixing device is characterized by further comprising a spiral plate (24) extending in an Archimedes spiral, one side, far away from the disc (7), of each fixing column (2) is fixed on the spiral plate (24), a spiral hollow window (18) extending along the Archimedes path is formed on the spiral plate (24), and the spiral path of the spiral hollow window (18) is consistent with that of the Archimedes spiral passageway (4).
5. The charging cable extension system of the charging pile of the new energy automobile as claimed in claim 4, wherein: the side of the Archimedes spiral passage (4) close to the spiral center (3) is marked as an inner passage contour (1.1), and the side of the Archimedes spiral passage (4) far away from the spiral center (3) is marked as an outer passage contour (1.2);
a walking pulley (6) is arranged in the Archimedes spiral passageway (4), and the axis of the walking pulley (6) is parallel to the axis of the disc (7); the width of the Archimedes spiral passageway (4) is the same as the diameter of the outer contour of the walking pulley (6), the walking pulley (6) is simultaneously matched with the rotary restraining sleeve (5) on the inner contour (1.1) of the passageway and the rotary restraining sleeve (5) on the outer contour (1.2) of the passageway in a rolling way, under the restraint of the inner contour (1.1) and the outer contour (1.2) of the Archimedes spiral passageway (4), the walking pulley (6) can walk along the spiral path of the Archimedes spiral passageway (4), and when the walking pulley (6) walks along the spiral path of the Archimedes spiral passageway (4), the walking pulley (6) can freely rotate along the axis of the walking pulley;
a rotary motor (19) is fixedly mounted on the disc (7), and the axis of a rotary output shaft (0) of the rotary motor (19) is superposed with the spiral center (3) of the Archimedes spiral passageway (4); a rotary block (20) is fixedly mounted at the tail end of the rotary output shaft (0), a pair of parallel guide rods (25) is fixedly connected to the rotary block (20), and the extending direction of the pair of parallel guide rods (25) is vertical to the axis of the rotary output shaft (0); the wire guide device is characterized by further comprising a sliding block (23), wherein two guide holes (22) are formed in the sliding block (23), and the two wire guide rods (25) penetrate through the two guide holes (22) in a sliding mode, so that the sliding block (23) can only slide along the extending direction of the guide rods (25); the pulley (6) is in running fit with a pulley shaft (21) through a first bearing (60), one end of the pulley shaft (21) penetrates through the spiral hollow window (18) and is fixed on the sliding block (23), and therefore the pulley (6) and the sliding block (23) are synchronous;
a roller support (26) is fixedly connected to one side of the fixed disc (7), a driving roller (11) and a driven roller (29) are rotatably arranged on the roller support (26) through bearings, a motor (28) is mounted on the roller support (26), and an output shaft (40) of the motor (28) is in driving connection with the driving roller (11);
the roller axes of the driving roller (11) and the driven roller (29) are parallel to the axis of the rotary output shaft (0), the driving roller (11) and the driven roller (29) are matched in a rolling manner, an annular cable groove (38) is formed in the wheel surface of the driving roller (11), the charging cable (12) penetrates through the cable groove (38) between the driving roller (11) and the driven roller (29), and the rotation of the driving roller (11) can enable the cable groove (38) to be dragged to penetrate through the charging cable (12) between the driving roller (11) and the driven roller (29) along the tangential direction under the action of friction force;
the joint of the second cable section (12.2) and the third cable section (12.3) crosses over a pulley groove (37) of the pulley (6), and the joint of the third cable section (12.3) and the fourth cable section (12.4) passes through a cable groove (38) between the driving roller (11) and the driven roller (29).
6. The charging cable extension system of the charging pile of the new energy automobile as claimed in claim 5, wherein: lubricating oil is arranged between the inner wall of each rotary restraining sleeve (5) and the outer wall of the fixed column (2).
7. The charging cable extension system of the charging pile of the new energy automobile as claimed in claim 6, wherein: a first pulley limiting pile (30) is fixedly arranged at one end, close to the spiral center (3), of the Archimedes spiral passageway (4) along the spiral path, and a second pulley limiting pile (9) is fixedly arranged at one end, far away from the spiral center (3), of the Archimedes spiral passageway (4) along the spiral path.
8. The operating method of the charging cable extension system for the charging pile of the new energy vehicle as claimed in claim 7, wherein:
a method of shortening a fourth section (12.4) of the cable exposed outside the charging post housing (13):
controlling a rotary motor (19) to enable a rotary output shaft (0) to rotate anticlockwise, so that two wire guide rods (25) drive a sliding block (23) to rotate anticlockwise along the rotary output shaft (0), at the same time, the sliding block (23) can drive a pulley (6) to rotate anticlockwise along the rotary output shaft (0), and meanwhile, the walking pulley (6) can be restrained by an inner aisle outline (1.1) and an outer aisle outline (1.2) of an Archimedes spiral aisle (4) while rotating anticlockwise along the rotary output shaft (0), so that the walking pulley (6) can walk anticlockwise along a spiral path of the Archimedes spiral aisle (4) and gradually approaches a spiral center (3), and when the walking pulley (6) walks anticlockwise along the spiral path of the Archimedes spiral aisle (4), each rotary restraining sleeve (5) can freely rotate, so that the walking pulley (6) can still freely rotate along the axis of the walking pulley, the pulley (6) can gradually drag the strided charging cable (12), so that the second section (12.2) and the third section (12.3) of the cable are gradually lengthened; because the total length of the charging cable (12) is unchanged, the length of the first section (12.1) of the cable in a fixed state is also unchanged, and the second section (12.2) and the third section (12.3) of the cable are gradually lengthened, the fourth section (12.4) of the cable exposed outside the charging pile shell (13) is automatically shortened; meanwhile, the driving roller (11) is controlled to rotate anticlockwise adaptively, the rotation of the driving roller (11) enables the cable groove (38) to be dragged to pass through the charging cable (12) between the driving roller (11) and the driven roller (29) along the anticlockwise tangential direction under the action of friction force, and the fourth section (12.4) of the cable is more smoothly retracted into the cable extender (14);
a method for lengthening a fourth section (12.4) of the cable exposed outside the charging pile housing (13):
controlling a rotary motor (19) to enable a rotary output shaft (0) to rotate clockwise, so that two wire guide rods (25) drive a sliding block (23) to rotate clockwise along the rotary output shaft (0), at the same time, the sliding block (23) can drive a pulley (6) to rotate clockwise along the rotary output shaft (0), and meanwhile, the walking pulley (6) can also be restrained by an inner aisle outline (1.1) and an outer aisle outline (1.2) of an Archimedes spiral aisle (4) while rotating clockwise along the rotary output shaft (0), so that the walking pulley (6) walks along a spiral clockwise path of the Archimedes spiral aisle (4) and gradually gets away from a spiral center (3), and when the walking pulley (6) walks along the spiral clockwise path of the Archimedes spiral aisle (4), each rotary restraining sleeve (5) can freely rotate, so that the walking pulley (6) still can freely rotate along the axis of the walking pulley, the travelling pulley (6) can enable the second section (12.2) of the original tight cable and the third section (12.3) of the original tight cable to become loose in the process of travelling along the clockwise path of the spiral of the Archimedes spiral passageway (4) and gradually departing from the center (3) of the spiral, meanwhile, the driving roller (11) is controlled to adaptively rotate clockwise, the clockwise rotation of the driving roller (11) enables the cable groove (38) to drag to pass through the charging cable (12) between the driving roller (11) and the driven roller (29) along the clockwise tangential direction under the action of friction force, the third section (12.3) of the loose cable is gradually dragged outwards, so that the fourth section (12.4) of the cable is gradually lengthened, meanwhile, the third section (12.3) of the loose cable is always kept in a tight state, and the travelling pulley (6) can freely rotate, so that the second section (12.2) of the cable can also be kept in a tight state, so that both the second (12.2) and the third (12.3) cable sections become progressively shorter; because the total length of the charging cable (12) is unchanged, the length of the first section (12.1) of the cable in a fixed state is also unchanged, and the second section (12.2) and the third section (12.3) of the cable are gradually shortened, the fourth section (12.4) of the cable exposed outside the charging pile shell (13) is automatically lengthened.
CN202011499367.4A 2020-12-18 2020-12-18 Charging cable extension system of charging pile of new energy automobile and working method Withdrawn CN112573309A (en)

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Application Number Priority Date Filing Date Title
CN202011499367.4A CN112573309A (en) 2020-12-18 2020-12-18 Charging cable extension system of charging pile of new energy automobile and working method

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Application Number Priority Date Filing Date Title
CN202011499367.4A CN112573309A (en) 2020-12-18 2020-12-18 Charging cable extension system of charging pile of new energy automobile and working method

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CN112573309A true CN112573309A (en) 2021-03-30

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113829920A (en) * 2021-09-29 2021-12-24 绍兴永合环境科技有限公司 Two side pull formula dust removal fill electric pile

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113829920A (en) * 2021-09-29 2021-12-24 绍兴永合环境科技有限公司 Two side pull formula dust removal fill electric pile
CN113829920B (en) * 2021-09-29 2023-12-15 安伯恩新能源科技(北京)有限公司 Double-side drawing type dust removal charging pile

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Application publication date: 20210330