CN117498109A - Self-cleaning type vehicle-mounted charging system of charging gun and working method thereof - Google Patents

Self-cleaning type vehicle-mounted charging system of charging gun and working method thereof Download PDF

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Publication number
CN117498109A
CN117498109A CN202311786709.4A CN202311786709A CN117498109A CN 117498109 A CN117498109 A CN 117498109A CN 202311786709 A CN202311786709 A CN 202311786709A CN 117498109 A CN117498109 A CN 117498109A
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CN
China
Prior art keywords
charging
cleaning
unlocking
dust
transmission
Prior art date
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Granted
Application number
CN202311786709.4A
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Chinese (zh)
Other versions
CN117498109B (en
Inventor
余培
王兆民
黄建伟
甘海月
吴建侠
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.)
HANGZHOU AODI ELECTRONIC CONTROL CO Ltd
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HANGZHOU AODI ELECTRONIC CONTROL CO Ltd
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Priority to CN202311786709.4A priority Critical patent/CN117498109B/en
Publication of CN117498109A publication Critical patent/CN117498109A/en
Application granted granted Critical
Publication of CN117498109B publication Critical patent/CN117498109B/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/002—Maintenance of line connectors, e.g. cleaning
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric vehicles

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a self-cleaning type vehicle-mounted charging system of a charging gun and a working method thereof. The substrate is moved. The moving substrate is mounted within the mounting housing. The plug cleaning mechanism and the charging socket are arranged on the movable substrate side by side. The movable substrate is driven by the position switching mechanism to have two working positions, namely a cleaning position and a charging position; in the cleaning position, the plug cleaning mechanism is aligned with the inner end of the charging jack. In the charging position, the charging receptacle is aligned with the inner end of the charging jack. According to the invention, the plug cleaning mechanism and the charging socket which can be sequentially switched are arranged, so that when the charging gun is inserted into the charging jack, all conductive pins on the charging gun plug inserted into the charging jack can be cleaned through the plug cleaning mechanism and then inserted into the charging socket. In the whole flow, the charging gun does not need to be plugged and unplugged, so that the charging efficiency is prevented from being influenced by dust entering a plug of the charging gun in the plugging and unplugging process.

Description

Self-cleaning type vehicle-mounted charging system of charging gun and working method thereof
Technical Field
The invention belongs to the technical field of vehicle-mounted charging equipment, and particularly relates to a self-cleaning type vehicle-mounted charging system of a charging gun and a working method thereof.
Background
New energy automobiles typically use an external charging gun to charge them. The charging gun is generally in an external standby state when in an uncharged state. The external charging gun is influenced by environmental factors, and dust is easy to accumulate at the interface of the muzzle. Meanwhile, the dust fine impurities easily enter the charging port through repeated plugging operation of the charging head. The dust of mouth of charging can influence the efficiency of charging, and serious can influence the safety of charging, causes the incident.
In the prior art, the Chinese invention application with publication number of CN112895930B discloses a self-cleaning charging port of a new energy automobile and a use method thereof. Concretely relates to electric automobile field, including rifle and the interface that charges charge, the one end fixed mounting of rifle that charges has charging plug. The charging connector in the above patent is obliquely arranged at one side of the charging gun. The charging interface is arranged on the charging interface, and the bottom is provided with a vibration cleaning mechanism. Vibration cleaning is carried out on foreign matters in the charging interface through vibration driving of the vibration cleaning mechanism, so that the foreign matters are led out rapidly, and blockage of the foreign matters in the charging interface is avoided. The charging interface is connected with the charging plug. And a limiting end plate is arranged at the charging interface to limit the position of the charging connector. During the vibration process of the vibration cleaning mechanism, dust is retained in the limiting connecting groove for installing the limiting end plate. When the charging plug performs plugging work, dust at the limiting connecting groove is attached to the charging plug, so that the cleaning effect is affected.
Disclosure of Invention
The invention aims to provide a self-cleaning vehicle-mounted charging system of a charging gun and a working method thereof.
In a first aspect, the invention provides a self-cleaning vehicle-mounted charging system for a charging gun, which comprises a shell, a charging jack and a charging socket; the method is characterized in that: the plug cleaning device also comprises a movable substrate, a plug cleaning mechanism and a position switching mechanism; the movable substrate is arranged in the installation shell and can move under the driving of the position switching mechanism; the plug cleaning mechanism and the charging socket are arranged on the movable substrate side by side.
The movable substrate is provided with two working positions, namely a cleaning position and a charging position; in the cleaning position, the plug cleaning mechanism is aligned with the inner end of the charging jack; in the charging position, the charging receptacle is aligned with the inner end of the charging jack.
The plug cleaning mechanism is used for cleaning all conductive pins on the charging gun inserted into the charging jack.
The charging socket is used for being in butt joint with the charging gun, and connection between the vehicle-mounted charger and an external power supply is achieved.
Preferably, the device further comprises a two-axis carriage; the movable base plate is arranged in the shell through a two-axis sliding frame; the two-axis sliding frame comprises a U-shaped guide rod, a first sliding seat and a sliding block; the two first sliding seats are fixed in the shell; the U-shaped guide rod comprises a transverse guide rod and two longitudinal guide rods which are parallel to each other and are perpendicular to the transverse guide rod; the two ends of the two longitudinal guide rods and the two ends of the transverse guide rod are respectively fixed; the two longitudinal guide rods are respectively and slidably connected with the two first sliding seats; the sliding block is fixed on the movable base plate and is in sliding connection with the transverse guide rod.
Preferably, the position switching mechanism comprises a switching driving motor, a first transmission pin, a rocker and a track plate; the track plate is fixed in the shell; the track plate is provided with a U-shaped track groove; the U-shaped rail groove comprises a transverse rail groove section and two longitudinal rail groove sections; the inner ends of the two longitudinal rail groove sections are respectively connected with the two ends of the transverse rail groove section; the first transmission pin and the fixed moving substrate are arranged on the first transmission pin; one end of the rocker is rotationally connected with the inner side wall of the shell; the rocker is driven to rotate by a switching driving motor; the rocker is provided with a first waist-shaped groove; the first transmission pin passes through the U-shaped rail groove and the first waist-shaped groove; is movable along the U-shaped rail groove and the first waist-shaped groove; the rocker rotates to drive the movable base plate to move along the U-shaped rail groove through the first transmission pin. When the first transmission pin is positioned at one end part of the U-shaped rail groove, the movable substrate is positioned at a cleaning position, and the plug cleaning mechanism stretches into the charging jack; when the first transmission pin is positioned at the other end part of the U-shaped rail groove, the movable substrate is positioned at the charging position, and the plug cleaning mechanism stretches into the charging jack.
Preferably, the plug cleaning mechanism comprises a cleaning driving motor, a first transmission assembly and a plurality of charging hole cleaning brushes; the charging hole cleaning brush comprises a spiral brush head and a rotating shaft; the rotating shaft is rotationally connected to the movable substrate; one end of the spiral brush head is fixed with the rotating shaft; the relative positions of the cleaning brushes of the charging holes correspond to the relative positions of the conductive pins on the charging gun respectively; the first drive assembly includes a plurality of belt drive structures; the cleaning driving motor is fixed on the movable substrate; the output shaft of the cleaning driving motor is connected with the rotating shafts of the cleaning brushes with the charging holes through a plurality of belt transmission structures, so that the cleaning driving motor can drive all the cleaning brushes with the charging holes to synchronously rotate.
Preferably, the gun locking mechanism is further included; the gun locking mechanism comprises an unlocking wheel, a limiting block, a spring and an unlocking rod; the unlocking wheel is fixed at the inner end of the rocker; the axis of the unlocking wheel is coincident with the rotation axis of the rocker; an unlocking groove is formed in the outer circumferential surface of the unlocking wheel; the limiting block is connected in the shell in a sliding way; the limiting block is connected with the shell through a spring; one end of the unlocking rod is fixed with the limiting block; the other end of the unlocking rod is propped against the outer circumferential surface of the unlocking wheel under the action of the elasticity of the spring; under the state that the unlocking rod is aligned with the unlocking groove, the end part of the unlocking rod enters the unlocking groove, and the limiting block is positioned at the unlocking position; in a state that the unlocking rod is staggered from the unlocking groove, the end part of the unlocking rod props against the position of the unlocking wheel except the unlocking groove, and the limiting block is positioned at the locking position; the limiting block at the locking position can lock the lock hook on the charging gun inserted into the charging jack, so that the lock hook on the charging gun cannot be unlocked by pressing a button on the charging gun, and the situation that the charging gun is pulled out accidentally is avoided. When the movable substrate is in the cleaning position and the charging position, the limiting blocks are in the locking positions.
Preferably, the device further comprises a dust exhausting mechanism; the dust discharging mechanism comprises a filter screen and a dust discharging fan; the shell is provided with an air inlet and a dust exhaust port; a filter screen is arranged at the air inlet; a dust exhaust fan is arranged at the dust exhaust port; forming a cleaning area between the mobile substrate and the charging jack in a state that the mobile substrate is at the cleaning position; the air inlet, the cleaning area and the dust discharging port are sequentially communicated to form a dust discharging passage.
Preferably, the charging gun comprises a charging gun port cleaning mechanism; the charging gun port cleaning mechanism is arranged between the plug cleaning mechanism and the charging socket; the charging gun port cleaning mechanism adopts the hairbrush, and can brush the end part of the charging gun inserted into the charging jack in the process that the movable substrate moves along the transverse rail groove section of the U-shaped rail groove, so that the end part of the charging gun is cleaned.
Preferably, the system further comprises a sealing mechanism; the sealing mechanism comprises a second transmission assembly and two dust baffle plates which are arranged at intervals; the two dust plates are both in sliding connection with the shell; the sliding direction of the two dust plates is parallel to the axial direction of the charging jack; the two dust plates are positioned at two sides of the charging jack; the two dust plates are in transmission connection with the movable base plate through a second transmission assembly; when the movable substrate is at the cleaning position, the two dust plates are propped against the movable substrate; when the movable substrate at the cleaning position moves in the direction away from the charging jack, the dust plate moves in the direction away from the movable substrate until the edge of the dust plate is flush with the end face of the inner end of the charging jack, so that the blocking of the moving path of the charging gun port cleaning mechanism is avoided.
Preferably, the dust plate receives an elastic force provided by a spring toward the moving substrate. The second transmission assembly comprises a T-shaped rod, a second sliding seat, a connecting shaft, a transmission rod, a second transmission pin, a third transmission pin, a second spring and a connecting plate. The second slide seat is fixed in the shell. The T-bar includes a transverse link and a second longitudinal guide bar perpendicular to the transverse link. The second longitudinal guide rod is connected with the second sliding seat in a sliding manner, and the sliding direction is parallel to the axis direction of the charging jack.
The side surface of the first transmission pin fixed on the movable substrate abuts against one side of the transverse connecting rod, which is close to the charging jack; the connecting shaft is fixed with the shell. The axis of the connecting shaft is in the symmetrical plane of the two dust plates. The two ends of the transmission rod are respectively provided with a second waist-shaped groove and a third waist-shaped groove. Two transmission rods which are arranged in a crossing way are both rotationally connected on the connecting shaft. Two second drive pins are respectively fixed at two ends of the transverse connecting rod. The top ends of the two second transmission pins respectively pass through the second waist-shaped grooves of the two transmission rods. The bottom ends of the two third transmission pins are respectively fixed with the two dust baffle plates; the two third transmission pins respectively pass through the third waist-shaped grooves of the two transmission rods.
In a second aspect, the invention provides a working method of a self-cleaning vehicle-mounted charging system of a charging gun, which comprises the following steps: the method comprises the following specific steps:
step one, a charging gun is inserted into a charging jack; the position switching mechanism drives the movable substrate to move to a cleaning position, so that the plug cleaning mechanism is in butt joint with the charging gun, and the plug cleaning mechanism cleans all the conductive pins on the charging gun.
And step two, the position switching mechanism drives the movable substrate to move to a charging position, so that the charging socket is in butt joint with the charging gun, and an external power supply supplies power to the vehicle-mounted charger through the charging gun and the charging socket.
The invention has the following beneficial effects.
According to the invention, the plug cleaning mechanism and the charging socket which can be sequentially switched are arranged, so that when the charging gun is inserted into the charging jack, all conductive pins on the charging gun plug inserted into the charging jack can be cleaned through the plug cleaning mechanism and then inserted into the charging socket. In the whole flow, the charging gun does not need to be plugged and unplugged, so that dust is prevented from entering a plug of the charging gun in the plugging and unplugging process of the charging gun, and the charging efficiency is influenced.
According to the invention, the plug cleaning mechanism, the charging gun port cleaning mechanism and the charging socket are sequentially arranged on the movable substrate in parallel. In the switching process of the cleaning position and the charging position of the movable substrate, the charging gun port cleaning mechanism can clean the outer side face of the charging port, and the dust residue on the charging gun is further avoided.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic structural view of a two-axis carriage according to the present invention.
Fig. 3 is a schematic diagram showing the relative positions of the plug cleaning mechanism and the charging socket according to the present invention.
Fig. 4 is a schematic structural view of a position switching mechanism (a partially enlarged schematic view in fig. 1) according to the present invention.
Fig. 5 is a schematic diagram showing the relative positions of the plug cleaning mechanism and the position switching mechanism according to the present invention.
Fig. 6 is a schematic structural diagram of a first transmission assembly according to the present invention.
Fig. 7 is a schematic structural view of the gun locking mechanism (enlarged schematic view of portion B in fig. 5) according to the present invention.
Fig. 8 is a schematic structural view of the sealing mechanism in the present invention.
Fig. 9 is an enlarged schematic view of portion C of fig. 8.
The description of the drawings, 1, a shell; 2. a charging jack; 3. a charging socket; 4. moving the substrate; 5. a plug cleaning mechanism; 5-1, a first transmission assembly; 5-2, a charging hole cleaning brush; 6. a position switching mechanism; 6-1, switching a driving motor; 6-2, a first drive pin; 6-3, rocking bar; 6-4, track boards; 7. a two-axis sliding frame; 7-1, a U-shaped guide rod; 7-2, a first slide seat; 7-3, sliding blocks; 8. a sealing mechanism; 8-1, a dust plate; 8-2, T-shaped bars; 8-3, a second sliding seat; 8-4, a second spring; 8-5, a transmission rod; 8-5-1, a second waist-shaped groove; 8-5-2, a third waist-shaped groove; 8-6, a second transmission pin; 8-7, a third transmission pin; 9. a dust removing mechanism; 9-1, a filter screen; 9-2, an air inlet chamber; 9-3, a dust exhaust fan; 9-4, an air inlet channel; 10. a gun locking mechanism; 10-1, unlocking wheel; 10-2, limiting blocks; 10-3, a first spring; 10-4, unlocking the rod; 10-5, locking piece; 11. a cleaning region; 12. charging gun port cleaning mechanism.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1, the self-cleaning type vehicle-mounted charging system for the charging gun comprises a shell 1, a charging jack 2, a charging socket 3, a movable substrate 4, a gun locking mechanism 10, a sealing mechanism 8, a dust discharging mechanism, a plug cleaning mechanism 5, a charging gun port cleaning mechanism and a position switching mechanism 6. The shell 1 is provided with a charging jack 2 with both ends open, and the inner outline is matched with the plug shape of the charging gun.
As shown in fig. 2, the moving substrate 4 is mounted in the housing 1 by a two-axis carriage 7. The two-axis sliding frame 7 comprises a U-shaped guide rod 7-1, a first sliding seat 7-2 and a sliding block 7-3. Both first carriages 7-2 are fixed in the housing 1. The U-shaped guide bar 7-1 comprises a transverse guide bar and two first longitudinal guide bars parallel to each other and perpendicular to the transverse guide bar. The two ends of the two first longitudinal guide rods and the two ends of the transverse guide rods are respectively fixed. The two first longitudinal guide rods are respectively and slidably connected with the two first sliding seats 7-2; the sliding block 7-3 is fixed on the movable base plate 4 and is in sliding connection with the transverse guide rod; the axis of the first longitudinal guide rod is parallel to the axis direction of the charging jack 2; the axis of the transverse guide rod is parallel to the arrangement direction of the charging socket 3 and the plug cleaning mechanism 5; the U-shaped guide rod 7-1, the first sliding seat 7-2 and the sliding block 7-3 are matched, so that the movable base plate 4 can slide freely in two degrees of freedom relative to the shell 1.
As shown in fig. 3, the plug cleaning mechanism 5, the charging gun port cleaning mechanism, and the charging socket 3 are provided side by side in this order on the moving substrate 4. The charging gun port cleaning mechanism adopts a hairbrush. When the movable substrate 4 is switched from the cleaning position to the charging position, the hairbrush is driven to do transverse movement, and the outer surface of the charging gun is cleaned. In operation, the moving substrate 4 is moved by the position switching mechanism 6. The movable substrate 4 has two working positions, namely a cleaning position and a charging position; in the cleaning position, the plug cleaning mechanism 5 is aligned with the inner end of the charging jack 2. A cleaning area 11 is formed between the moving substrate 4 and the charging jack 2. In the charging position, the charging socket 3 is aligned with the inner end of the charging jack 2.
As shown in fig. 3 and 4, the position switching mechanism 6 includes a switching drive motor 6-1, a first transmission pin 6-2, a rocker 6-3, and a track plate 6-4. The track plate 6-4 is fixed in the shell 1; the track plate 6-4 is provided with a U-shaped track groove. The U-shaped rail groove comprises a transverse rail groove section and two longitudinal rail groove sections which are respectively connected with two ends of the transverse rail groove section. The first drive pin 6-2 is fixed to the moving base plate 4 and passes through the U-shaped rail groove to be movable along the U-shaped rail groove. One end of the rocker 6-3 is rotationally connected with the inner side wall of the shell 1; the rocker 6-3 is driven to rotate by a switching drive motor 6-1. The rocker 6-3 is provided with a first waist-shaped groove; the first drive pin 6-2 passes through the first waist-shaped groove and can slide along the length direction of the first waist-shaped groove. The rotation of the rocker 6-3 can drive the first transmission pin 6-2 to move along the U-shaped rail groove, so that the charging socket 3 and the plug cleaning mechanism 5 move together with the moving substrate 4. The two longitudinal rail groove ends are a cleaning rail groove end and a charging rail groove section respectively, and in the movement process, when the first transmission pin 6-2 is positioned at the end part of the cleaning rail groove end, which is close to the charging jack 2, the movable substrate 4 is positioned at the cleaning position. When the rocker 6-3 drives the first transmission pin 6-2 to move from the cleaning rail groove end to the end of the charging rail groove end, which is close to the charging jack 2, the movable substrate 4 is in the charging position. When the mobile substrate 4 is in the charging position, the charging socket 3 stretches into the charging jack 2, and each conductive contact pin on each charging gun plug can be automatically inserted into the jack of the charging socket 3, so that the charging gun plug can be automatically switched to a charging state after cleaning of the plug cleaning mechanism 5 is completed. The dust is prevented from adhering to each conductive pin of the charging gun plug in the plugging process when the charging gun plug is turned from the cleaning position to the charging position.
As shown in fig. 5 and 6, the plug cleaning mechanism 5 is used to clean each conductive pin on the charging gun plug inserted into the charging jack 2. The plug cleaning mechanism 5 includes a cleaning drive motor, a first transmission assembly 5-1, and a plurality of charging hole cleaning brushes 5-2. The charging hole cleaning brush 5-2 includes a spiral brush head and a rotating shaft. The rotating shaft is rotatably connected to the movable base plate 4. One end of the spiral brush head is fixed with the end part of the rotating shaft. The positions of the cleaning brushes 5-2 of the charging holes correspond to the positions of the contact pins on the charging gun respectively. The first transmission assembly 5-1 includes a plurality of belt drive arrangements. The cleaning drive motor is fixed on the moving substrate 4. The output shaft of the cleaning driving motor is connected with the rotating shafts of the charging hole cleaning brushes 5-2 through a plurality of belt transmission structures in sequence, so that the cleaning driving motor can drive the rotating shafts of all the charging hole cleaning brushes 5-2 to rotate synchronously.
As shown in fig. 5 and 7, the gun locking mechanism 10 includes an unlocking wheel 10-1, a stopper 10-2, a lock block 10-5, a first support plate, a first spring 10-3, and an unlocking lever 10-4. The lock block 10-5 is fixed at the charging jack 2 of the housing 1. The first support plate is fixed in the housing 1 and is located directly above the charging jack 2. The unlocking wheel 10-1 is fixed at the inner end of the rocker 6-3. The axis of the unlocking wheel 10-1 coincides with the axis of rotation of the rocker 6-3. An unlocking groove is formed in the outer circumferential surface of the unlocking wheel 10-1. The limiting block 10-2 is slidably connected to the first support plate, and the sliding direction is parallel to the axial direction of the charging jack 2. A second supporting plate is fixed on the top surface of the first supporting plate. The limiting block 10-2 is connected with the second supporting plate through a first spring 10-3. One end of the unlocking rod 10-4 is fixed with the limiting block 10-2; the other end of the unlocking rod 10-4 is propped against the outer circumferential surface of the unlocking wheel 10-1 under the action of the elasticity of the spring; the width of the unlocking lever 10-4 is smaller than or equal to the width of the unlocking groove; in the working process, the limiting block 10-2 has two working positions, namely a locking position and an unlocking position. When the unlocking lever 10-4 is propped against the area except the unlocking groove on the unlocking wheel 10-1, the limiting block 10-2 is pushed out to the locking position; in the locking position, the outer end of the limiting block 10-2 extends out of the inner cavity of the shell 1 and is matched with the locking block 10-5 to form a locking area. When the end part of the unlocking lever 10-4 is clamped into the unlocking groove in the state that the unlocking lever 10-4 is aligned with the unlocking groove, the limiting block 10-2 is retracted to the unlocking position; in the unlocked position, the inner end of the stopper 10-2 moves into the inner cavity of the housing 1.
In the state that the charging gun is inserted into the charging jack 2, the lock hook on the charging gun can hook the lock bit block 10-5; the limiting block 10-2 is switched from the unlocking position to the locking position under the pushing of the unlocking rod 10-4, so that the lower side surface of the limiting block 10-2 abuts against the locking hook, and the charging gun cannot be separated from the charging jack 2; the catch block 10-5 in the locked position is separated from the latch hook on the charging gun. When the unlocking lever 10-4 is in the position of being clamped into the unlocking groove, the movable base plate 4 is in a third position except for the two working positions, so that the locking hook of the charging gun is in a locked state during cleaning and charging. In the initial state, the unlocking lever 10-4 is in a position to be caught in the unlocking groove, so that the charging gun is inserted into the charging jack 2.
As shown in fig. 3, 8 and 9, the sealing mechanism 8 includes a second transmission assembly and two dust plates 8-1. Two dust baffle plates 8-1 which are arranged at intervals are both in sliding connection with the shell 1. The sliding direction of the two dust plates 8-1 is parallel to the axial direction of the charging jack 2. During operation, the two dust plates 8-1 are driven by the second transmission assembly to move. The dust plate 8-1 has two working positions, a sealing position and an unsealing position, respectively. In the sealed position, one side surface of the dust plate 8-1 is bonded to the movable substrate 4. The movable base plate 4, the first support plate, the bottom surface and the side surface of the inner cavity of the shell 1 and the two connecting plates encircle the cleaning area into a sealed cavity, and the charging jack 2 is communicated with the sealed cavity. In the unsealed position, the dust plate 8-1 is away from the moving base plate 4, and the outer end of the dust plate 8-1 is flush with the inner end of the charging jack. When the dust plate 8-1 is away from the moving substrate 4, the brush is facilitated to clean the outer surface of the muzzle of the charging gun.
The second transmission assembly comprises a T-shaped rod 8-2, a second sliding seat 8-3, a connecting shaft, a transmission rod 8-5, a second transmission pin 8-6, a third transmission pin 8-7, a second spring 8-4 and a connecting plate. The second slide 8-3 is fixed in the housing 1. The T-bar 8-2 comprises a transverse link and a second longitudinal guide bar perpendicular to the transverse link. The second longitudinal guide rod is in sliding connection with the second slide seat 8-3, and the sliding direction is parallel to the axis direction of the charging jack 2. The top end of the first driving pin 6-2 fixed on the moving base plate 4 passes through the U-shaped rail groove and abuts against the transverse connecting rod. When the first transmission pin 6-2 moves away from the charging jack 2, the transverse connecting rod is driven to move away from the charging jack 2.
The connecting shaft is fixed on the top surface of the inner cavity of the shell 1. The axis of the connecting shaft is in the symmetrical plane of the two dust plates 8-1. The two ends of the transmission rod 8-5 are respectively provided with a second waist-shaped groove 8-5-1 and a third waist-shaped groove 8-5-2. The two transmission rods 8-5 which are arranged in a crossed way are both connected on the connecting shaft in a rotating way. The two transmission rods 8-5 can rotate relatively around the connecting shaft. Two second driving pins 8-6 are respectively fixed at two ends of the transverse connecting rod. The top ends of the two second driving pins 8-6 respectively pass through the second waist-shaped grooves 8-5-1 of the two driving rods 8-5 and can slide along the length direction of the second waist-shaped grooves 8-5-1. When the second transmission pin 8-6 moves under the drive of the transverse connecting rod, the second transmission pin 8-6 drives the transmission rod 8-5 to rotate.
The bottom ends of the two third transmission pins 8-7 are respectively fixed with the two dust plates 8-1, and the top ends respectively penetrate through the third waist-shaped grooves 8-5-2 of the two transmission rods 8-5 and can move along the length direction of the third waist-shaped grooves 8-5-2. When the third transmission pin 8-7 moves, the dust baffle 8-1 is driven to move to the unsealing position. A connecting plate is fixed on the side of the dust plate 8-1 away from the movable base plate 4. The bottom end of the third transmission pin 8-7 is fixed with the connecting plate through a connecting rod. The connecting plate is connected with the shell 1 through the second spring 8-4, and the resetting direction of the second spring 8-4 is parallel to the sliding direction of the dust plate 8-1. When the first drive pin 6-2 applies a pushing force to the transverse link. The third driving pin 8-7 drives the dust plate 8-1 to move away from the moving substrate 4, and when the first driving pin 6-2 cancels the thrust applied to the transverse connecting rod, the second spring 8-4 resets and drives the dust plate 8-1 to move towards the moving substrate 4. The dust plate 8-1 is retracted when the movable substrate 4 moves, and the distance that the movable substrate 4 needs to move when moving away from the charging jack 2 can be reduced. Meanwhile, when the movable substrate 4 drives the brush and the charging hole cleaning brush 5-2 moves to the outermost end in a direction away from the charging jack 2, the brush and the outer ends of the charging hole cleaning brushes 5-2 are all flush with the inner ends of the charging jacks. The dust board moves from the sealing position to the unsealing position under the drive of the second transmission assembly, so that a yielding space is provided when the movable substrate 4 drives the hairbrush to move transversely.
The dust discharging mechanism comprises a filter screen 9-1, an air inlet chamber 9-2, a dust discharging fan 9-3 and an air inlet channel 9-4. The air inlet chamber 9-2 is fixed on the top surface of the inner cavity of the shell 1. An air inlet and a dust exhaust opening which are communicated with the air inlet chamber 9-2 and the cleaning area 11 are respectively arranged on the shell 1. The air inlet and the dust exhaust outlet are respectively provided with a filter screen 9-1 and a dust exhaust fan 9-3. The air inlet, the air inlet chamber 9-2, the cleaning area 11 and the dust discharging port are sequentially communicated through the air inlet channel 9-4 to form a dust discharging passage. The filter screen 9-1 is provided to prevent dust in the outside air from entering the cleaning area 11. The dust exhaust fan 9-3 is arranged to exhaust the dust cleaned in the cleaning area out of the vehicle after the plug cleaning mechanism 5 finishes cleaning the dust on the charging gun.
A work flow of a self-cleaning type vehicle-mounted charging system of a charging gun comprises the following steps.
Step one, a charging gun is inserted into the charging jack 2. The lock hook on the charging gun hooks the locking block 10-5 on the shell 1.
And step two, switching the driving motor 6-1 to drive the unlocking wheel 10-1 to rotate. In the process of rotating the unlocking wheel 10-1, the unlocking rod 10-4 is separated from an unlocking groove on the unlocking wheel 10-1, and the limiting block 10-2 is driven to move outwards. When the limiting block 10-2 moves outwards to the limiting position, the bottom surface of the limiting block 10-2 abuts against the outer side of the locking hook, so that the charging gun cannot be separated from the charging jack 2. Meanwhile, in the rotation process of the rotating shaft of the switching driving motor 6-1, the rocker 6-3 is driven to rotate. The rocker 6-3 drives the first driving pin 6-2 to move from the transverse rail groove end to the longitudinal rail groove end. In the movement process of the first transmission pin 6-2, the movable substrate 4 is driven to approach the charging jack 2, so that the charging hole cleaning brush 5-2 on the movable substrate 4 is inserted into the charging hole of the charging gun to clean the charging head in the charging hole.
Step three, the cleaning driving motor drives all the charging hole cleaning brushes 5-2 to rotate through the first transmission assembly 5-1, and dust in charging holes of the charging gun is removed. At the same time, the dust exhaust fan 9-3 is started. The dust-discharging fan 9-3 discharges the cleaned dust to the outside.
And step four, switching the driving motor 6-1 to reversely rotate to drive the first transmission pin 6-2 to move from the tail end of one longitudinal rail groove end to the tail end of the other longitudinal rail groove end. In the moving process of the first transmission pin 6-2, the movable substrate 4 is driven to move away from the charging jack 2, move transversely and move close to the charging jack 2 in sequence. The charging socket 3 moves in the housing 1, so that each conductive pin on the charging gun plug is respectively inserted into each charging hole of the charging socket 3 to charge the automobile.

Claims (10)

1. A self-cleaning vehicle-mounted charging system of a charging gun comprises a shell (1), a charging jack (2) and a charging socket (3); the method is characterized in that: the plug cleaning device also comprises a movable substrate (4), a plug cleaning mechanism (5) and a position switching mechanism (6); the movable substrate (4) is arranged in the installation shell (1) and can move under the driving of the position switching mechanism (6); the plug cleaning mechanism (5) and the charging socket (3) are arranged on the movable substrate (4) side by side;
the movable substrate (4) is provided with two working positions, namely a cleaning position and a charging position; in the cleaning position, the plug cleaning mechanism (5) is aligned with the inner end of the charging jack (2); in the charging position, the charging socket (3) is aligned with the inner end of the charging jack (2);
the plug cleaning mechanism (5) is used for cleaning each conductive contact pin on the charging gun inserted into the charging jack (2);
the charging socket (3) is used for being in butt joint with a charging gun to realize connection of the vehicle-mounted charger and an external power supply.
2. The self-cleaning vehicle-mounted charging system of a charging gun according to claim 1, wherein: the device also comprises a two-axis sliding frame (7); the movable base plate (4) is arranged in the shell (1) through a two-axis sliding frame (7); the two-axis sliding frame (7) comprises a U-shaped guide rod (7-1), a first sliding seat (7-2) and a sliding block (7-3); the two first sliding seats (7-2) are fixed in the shell (1); the U-shaped guide rod (7-1) comprises a transverse guide rod and two longitudinal guide rods which are parallel to each other and are perpendicular to the transverse guide rod; the two ends of the two longitudinal guide rods and the two ends of the transverse guide rod are respectively fixed; the two longitudinal guide rods are respectively and slidably connected with the two first sliding seats (7-2); the sliding block (7-3) is fixed on the movable base plate (4) and is connected with the transverse guide rod in a sliding way.
3. The self-cleaning vehicle-mounted charging system of a charging gun according to claim 2, wherein: the position switching mechanism (6) comprises a switching driving motor (6-1), a first transmission pin (6-2), a rocker (6-3) and a track plate (6-4); the track plate (6-4) is fixed in the shell (1); the track plate (6-4) is provided with a U-shaped track groove; the U-shaped rail groove comprises a transverse rail groove section and two longitudinal rail groove sections; the inner ends of the two longitudinal rail groove sections are respectively connected with the two ends of the transverse rail groove section; the first transmission pin (6-2) and the fixed moving base plate (4); one end of the rocker (6-3) is rotationally connected with the inner side wall of the shell (1); the rocker (6-3) is driven to rotate by a switching driving motor (6-1); the rocker (6-3) is provided with a first waist-shaped groove; the first transmission pin (6-2) passes through the U-shaped rail groove and the first waist-shaped groove; is movable along the U-shaped rail groove and the first waist-shaped groove; the rocker (6-3) rotates to drive the movable base plate (4) to move along the U-shaped rail groove through the first transmission pin (6-2); when the first transmission pin (6-2) is positioned at one end part of the U-shaped rail groove, the movable base plate (4) is positioned at a cleaning position, and the plug cleaning mechanism (5) stretches into the charging jack (2); when the first transmission pin (6-2) is positioned at the other end part of the U-shaped rail groove, the movable base plate (4) is positioned at the charging position, and the charging socket (3) stretches into the charging jack (2).
4. The self-cleaning vehicle-mounted charging system of a charging gun according to claim 1, wherein: the plug cleaning mechanism (5) comprises a cleaning driving motor, a first transmission assembly (5-1) and a plurality of charging hole cleaning brushes (5-2); the charging hole cleaning brush (5-2) comprises a spiral brush head and a rotating shaft; the rotating shaft is rotationally connected to the movable base plate (4); one end of the spiral brush head is fixed with the rotating shaft; the relative positions of the cleaning brushes (5-2) of the charging holes are respectively corresponding to the relative positions of the conductive pins on the charging gun; the first transmission assembly (5-1) comprises a plurality of belt transmission structures; the cleaning driving motor is fixed on the movable substrate (4); the output shaft of the cleaning driving motor is connected with the rotating shaft of each charging hole cleaning brush (5-2) through a plurality of belt transmission structures, so that the cleaning driving motor can drive all the charging hole cleaning brushes (5-2) to synchronously rotate.
5. A self-cleaning vehicle-mounted charging system for a charging gun according to claim 3, wherein: also comprises a gun locking mechanism (10); the gun locking mechanism (10) comprises an unlocking wheel (10-1), a limiting block (10-2), a spring and an unlocking rod (10-4); the unlocking wheel (10-1) is fixed at the inner end of the rocker (6-3); the axis of the unlocking wheel (10-1) coincides with the rotation axis of the rocker (6-3); an unlocking groove is formed in the outer circumferential surface of the unlocking wheel (10-1); the limiting block (10-2) is connected in the shell (1) in a sliding way; the limiting block (10-2) is connected with the shell (1) through a spring; one end of the unlocking rod (10-4) is fixed with the limiting block (10-2); the other end of the unlocking rod (10-4) is propped against the outer circumferential surface of the unlocking wheel (10-1) under the action of the elasticity of the spring; under the state that the unlocking rod (10-4) is aligned with the unlocking groove, the end part of the unlocking rod (10-4) enters the unlocking groove, and the limiting block (10-2) is positioned at the unlocking position; in a state that the unlocking rod (10-4) is staggered from the unlocking groove, the end part of the unlocking rod (10-4) props against the position, except the unlocking groove, on the unlocking wheel (10-1), and the limiting block (10-2) is positioned at the locking position; the limiting block (10-2) at the locking position can lock a lock hook on a charging gun inserted into the charging jack (2); when the movable substrate (4) is positioned at the cleaning position and the charging position, the limiting blocks (10-2) are positioned at the locking positions; in the initial state, the unlocking lever (10-4) is aligned with the unlocking groove.
6. A self-cleaning vehicle-mounted charging system for a charging gun according to claim 3, wherein: the dust removing device also comprises a dust removing mechanism; the dust discharging mechanism comprises a filter screen (9-1) and a dust discharging fan (9-3); an air inlet and a dust exhaust port are formed in the shell (1); a filter screen (9-1) is arranged at the air inlet; a dust exhaust fan (9-3) is arranged at the dust exhaust port; a cleaning area (11) is formed between the movable substrate (4) and the charging jack (2) in a state that the movable substrate (4) is at the cleaning position; the air inlet, the cleaning area (11) and the dust exhaust port are sequentially communicated to form a dust exhaust passage.
7. The self-cleaning vehicle-mounted charging system of a charging gun according to claim 1 or 6, wherein: the charging gun port cleaning mechanism (12) is also included; the charging gun port cleaning mechanism (12) is arranged between the plug cleaning mechanism (5) and the charging socket (3); the charging gun port cleaning mechanism (12) adopts a hairbrush, and can brush the end part of the charging gun inserted into the charging jack (2) in the process that the movable substrate (4) moves along the transverse rail groove section of the U-shaped rail groove.
8. The self-cleaning vehicle-mounted charging system of a charging gun according to claim 7, wherein: also comprises a sealing mechanism (8); the sealing mechanism (8) comprises a second transmission component and two dust baffle plates (8-1) which are arranged at intervals; the two dust plates (8-1) are both in sliding connection with the shell (1); the sliding direction of the two dust plates (8-1) is parallel to the axis direction of the charging jack (2); two dust plates (8-1) are positioned at two sides of the charging jack (2); the two dust plates (8-1) are in transmission connection with the movable base plate (4) through a second transmission assembly; when the movable substrate (4) is at the cleaning position, the two dust plates (8-1) are propped against the movable substrate (4); when the movable substrate (4) in the cleaning position moves away from the charging jack (2), the dust plate (8-1) moves away from the movable substrate (4).
9. The self-cleaning vehicle-mounted charging system of a charging gun according to claim 8, wherein: the dust plate 8-1 receives the elastic force provided by the spring towards the movable base plate (4); the second transmission assembly comprises a T-shaped rod (8-2), a second sliding seat (8-3), a connecting shaft, a transmission rod (8-5), a second transmission pin (8-6), a third transmission pin (8-7), a second spring (8-4) and a connecting plate; the second sliding seat (8-3) is fixed in the shell (1); the T-shaped rod (8-2) comprises a transverse connecting rod and a second longitudinal guide rod perpendicular to the transverse connecting rod; the second longitudinal guide rod is in sliding connection with the second sliding seat (8-3), and the sliding direction is parallel to the axis direction of the charging jack (2);
the side surface of the first transmission pin (6-2) fixed on the movable base plate (4) is propped against one side of the transverse connecting rod, which is close to the charging jack (2); the connecting shaft is fixed with the shell 1; the axis of the connecting shaft is arranged in the symmetrical plane of the two dust plates (8-1); the two ends of the transmission rod (8-5) are respectively provided with a second waist-shaped groove (8-5-1) and a third waist-shaped groove (8-5-2); two transmission rods (8-5) which are arranged in a crossing way are both rotationally connected to the connecting shaft; two second transmission pins (8-6) are respectively fixed at two ends of the transverse connecting rod; the top ends of the two second transmission pins (8-6) respectively pass through the second waist-shaped grooves (8-5-1) of the two transmission rods (8-5); the bottom ends of the two third transmission pins (8-7) are respectively fixed with the two dust baffle plates (8-1); the two third transmission pins (8-7) respectively pass through the third waist-shaped grooves (8-5-2) of the two transmission rods (8-5).
10. The method for operating a self-cleaning vehicle-mounted charging system of a charging gun according to claim 1, wherein: the method comprises the following steps:
step one, a charging gun is inserted into a charging jack; the position switching mechanism (6) drives the movable substrate (4) to move to a cleaning position, so that the plug cleaning mechanism (5) is in butt joint with the charging gun, and the plug cleaning mechanism (5) cleans all conductive pins on the charging gun;
step two, the position switching mechanism (6) drives the movable substrate (4) to move to a charging position, so that the charging socket (3) is in butt joint with the charging gun, and an external power supply supplies power to the vehicle-mounted charger through the charging gun and the charging socket (3).
CN202311786709.4A 2023-12-25 2023-12-25 Self-cleaning type vehicle-mounted charging system of charging gun and working method thereof Active CN117498109B (en)

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