WO2012075925A1 - Connecteur de charge pour véhicule électrique - Google Patents

Connecteur de charge pour véhicule électrique Download PDF

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Publication number
WO2012075925A1
WO2012075925A1 PCT/CN2011/083511 CN2011083511W WO2012075925A1 WO 2012075925 A1 WO2012075925 A1 WO 2012075925A1 CN 2011083511 W CN2011083511 W CN 2011083511W WO 2012075925 A1 WO2012075925 A1 WO 2012075925A1
Authority
WO
WIPO (PCT)
Prior art keywords
charging
socket
plug
normally closed
normally open
Prior art date
Application number
PCT/CN2011/083511
Other languages
English (en)
Chinese (zh)
Inventor
章晓军
刘影
Original Assignee
怡达电气(苏州)有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN2010206522074U external-priority patent/CN201868697U/zh
Priority claimed from CN2010206522182U external-priority patent/CN201868685U/zh
Priority claimed from CN2010206521989U external-priority patent/CN201868696U/zh
Application filed by 怡达电气(苏州)有限公司 filed Critical 怡达电气(苏州)有限公司
Publication of WO2012075925A1 publication Critical patent/WO2012075925A1/fr

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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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/64—Means for preventing incorrect coupling
    • H01R13/645—Means for preventing incorrect coupling by exchangeable elements on case or base
    • H01R13/6453—Means for preventing incorrect coupling by exchangeable elements on case or base comprising pin-shaped elements, capable of being orientated in different angular positions around their own longitudinal axes, e.g. pins with hexagonal base
    • 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
    • H01R2103/00—Two poles
    • 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
    • H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
    • 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

Definitions

  • the invention relates to an electric vehicle charging connector.
  • the charging connector for a charging vehicle such as an electric sightseeing car, an electric golf cart, an electric patrol car, an electric sanitation car, and the like mainly includes a charging plug and a charging socket.
  • the charging plug is connected to the charging device.
  • the charging socket is connected to the battery on the vehicle, and the socket on the charging plug is plugged into the plug on the charging socket, and the user turns on the charger switch to connect the internal circuit of the charging connector to charge the vehicle.
  • such a charging connector has the following problem: if the user inadvertently causes the charging plug and the charging socket to be completely inserted into the position and the charger is turned on, it is better that the latch and the socket are not in contact. Therefore, the charging connector is still not energized; but in the worse case, the socket and the plug have a large current due to a small contact area, which causes heat generation, and may burn the charging connector, which has a large unsafe factor.
  • the vehicle since the vehicle is charged by the electric vehicle charging connector, the vehicle is in a charging state. Once the vehicle is inadvertently started, the vehicle is forced to cut off the electric vehicle charging connector, which not only causes damage to the electric vehicle charging connector, but even It will endanger personal safety and there are major insecurity factors.
  • the technical solution of the present invention is: an electric vehicle charging connector, comprising a charging plug and a charging socket, wherein the charging plug is provided with a socket, and the charging socket is provided with a latch matched with the socket;
  • the charging plug is further provided with an anti-missing key corresponding to a specific voltage level, and the charging socket is provided with a matching anti-error jack; or the charging plug is provided with an anti-error jack, and the charging socket is provided with Match the anti-missing key.
  • the anti-missing key in the present invention is preferably a diagonally halved cylinder of a hexagonal column, and the shape of the anti-missing jack matches the anti-missing key.
  • the hexagonal column can be divided into six diagonally halved cylinders of different angles, and each diagonally divided cylinder represents a voltage level. Therefore, when the present invention uses the diagonally equally divided cylinder of the hexagonal column as the anti-missing key, Six different voltage levels can be handled by the positional setting of the diagonally aliquoted cylinders at different angles when the product is assembled from the factory.
  • the present invention is a charging connector for a charging vehicle, the specific voltage level of which includes a low voltage level and a high voltage level, wherein the low voltage level has, for example, 72V, 24V, 36V, 48V, 60V, and 96V, etc., high voltage level. There are 110V, 220V and so on.
  • the user can distinguish whether the charging plug and the charging socket belong to the same voltage level according to whether the anti-missing key and the anti-error jack match, when the user puts the charging plug (charging socket) with the charging socket of different voltage level (the charging plug) When the plug is inserted, the two cannot be properly inserted.
  • the charging plug is provided with a normally open type micro switch that controls the internal circuit to be turned on and off, and when the plug socket on the charging plug and the pin on the charging socket are inserted into the position, The normally open micro switch is closed.
  • a normally open type trigger lever is provided, and the normally open type trigger rod protrudes from the end surface of the charging plug; and the plug sleeve on the charging plug and the pin plug on the charging socket are inserted.
  • the end face of the charging socket is pressed against the normally open trigger lever to drive the normally open micro switch to close.
  • the normally open type micro switch of the present invention is provided with a normally open type trigger lever, and the charging socket is provided with a normally open type triggering thimble opposite to the normally open type triggering rod; the socket on the charging plug When the pin on the charging socket is inserted into the position, the normally open triggering thimble presses against the normally open trigger lever to drive the normally open micro switch to close.
  • the normally open trigger lever is not disposed in the normally open trigger lever protection hole provided on the end face of the charging plug.
  • the charging plug is connected to the charger through its internal circuit
  • the charging socket is connected to the battery on the electric vehicle through its internal circuit
  • the present invention further provides the following improvement: the charging socket is further provided with a normally closed micro switch for controlling the opening and closing of the vehicle starting circuit, and the plug socket on the charging plug and the pin on the charging socket are inserted.
  • the normally closed micro switch is turned off.
  • a normally closed trigger lever is provided, and the normally closed trigger lever protrudes from the end surface of the charging socket; and the plug socket on the charging plug and the plug socket on the charging socket are inserted. When connected, the end face of the charging plug is pressed against the normally closed trigger lever to drive the normally closed micro switch to open.
  • the normally closed type micro switch of the present invention is provided with a normally closed trigger lever, and the charging plug is provided with a normally closed trigger thimble opposite to the normally closed trigger lever; the charging socket and the charging plug are inserted When connected, the normally closed trigger ejector pin presses against the normally closed trigger lever to drive the normally closed micro switch to open.
  • the normally closed trigger lever is not disposed in the normally closed trigger lever protection hole provided on the end surface of the charging socket.
  • the plug on the charging plug is composed of a ground pin and a main plug
  • the socket on the charging socket is composed of a ground socket and a main socket
  • the plug of the charging plug and the charging socket refers to
  • the ground pin in the latch has been inserted into the ground socket in the socket, and the main plug has no contact with the main socket, and the charging plug and the charging socket are completely inserted into the position; the plugged in position That is, the main plug is inserted into the main socket and the charging plug and the end surface of the charging socket are opposite each other, so that the charging plug and the charging socket can no longer be deeply engaged.
  • the electric vehicle charging connector provided by the invention has a charging plug and a charging socket which are matched by a special anti-missing key and an anti-error jack corresponding to a specific voltage level, when one of them is a product with different voltage levels. Unable to insert effectively with another Therefore, it can effectively prevent the user from accidentally inserting, ensure the matching of the charging plug and the charging socket voltage, so that the charging connector can always work reliably and eliminate the safety hazard.
  • the normally open type micro switch is further disposed on the charging plug, when the charging plug is not fully inserted into the charging socket, the charging operation cannot be performed even if the user turns on the charging device. Can effectively prevent plugging Insufficient contact causes damage to the charging connector, which greatly improves the safety and reliability of use.
  • the electric vehicle charging connector provided by the invention further comprises a normally closed micro switch on the charging socket, and when the charging plug and the charging socket are plugged, the normally closed micro switch can be used to disconnect the vehicle at all times. Start the circuit to prevent the vehicle from accidentally starting, This effectively ensures the safety and reliability of the charging connector, and in particular prevents accidents that endanger personal safety.
  • FIG. 1 is a cross-sectional view showing a plug-in structure of a charging plug and a charging socket according to a specific embodiment of the present invention (disclosure preventing mis-insertion and anti-error jack);
  • Figure 2 is a cross-sectional view of the second plug structure of the embodiment of Figure 1 (disclosing the normally open type micro switch);
  • Figure 3 is a cross-sectional view of the third plug structure of the embodiment of Figure 1 (disclosing the normally closed micro switch);
  • FIG. 4 is a schematic perspective structural view of a charging plug in the embodiment of FIG. 1;
  • FIG. 5 is a front elevational view of the charging plug of the embodiment of Figure 1;
  • FIG. 6 is a front elevational view of the charging socket of the embodiment of Figure 1;
  • FIG. 7 is a schematic perspective view showing the three-dimensional structure of the anti-missing key on the charging plug in the embodiment of FIG. 1.
  • the electric vehicle charging connector provided in this embodiment has a charging plug 1 and a charging socket 2 , which is the same as the conventional technology.
  • the charging plug 1 is provided with a socket 101
  • the charging socket 2 is provided with a latch 201 that cooperates with the socket 101; as shown in FIG. 6, the latch 201 in this embodiment is grounded by a ground pin 201a and
  • the two main plugs 201b are composed, and the corresponding sockets 101 are composed of a ground insert sleeve and two main insert sleeves.
  • the charging plug 1 is provided with an anti-missing key 3 corresponding to a specific voltage level
  • the anti-missing key 3 is a diagonal pylon of a hexagonal column
  • the shape of the anti-error jack 4 and the anti-missing key 3 match.
  • the hexagonal column can be divided into six corners (30 degrees, 90 degrees, 150 degrees, 210 degrees, 270 degrees, and 330 degrees) diagonally equally divided cylinders, corresponding to 36V, 48V, 60V, 72V, 96V, and 24V, respectively.
  • Six low voltage levels Specifically, as shown in FIG. 5, FIG. 6 and FIG. 7, in the present embodiment, the diagonally equally divided cylinder as the anti-missing key 3 is 330 degrees, and the corresponding low voltage level. It is 24V.
  • the user can distinguish whether the charging plug 1 and the charging socket 2 belong to the same voltage level according to whether the anti-missing key 3 and the anti-error jack 4 match, when the user puts the charging plug 1 (charging socket) with different voltage levels.
  • Charging socket 2 (charging plug) for insertion When connected, the two cannot be properly inserted.
  • the charging plug 1 and the charging socket 2 are matched to each other by a special setting of the anti-missing key 3 and the anti-erroring jack 4 corresponding to a specific voltage level, when one of the products is a product having a different voltage level, it cannot be effectively inserted with the other. Therefore, it can effectively prevent users from inserting mistakes and ensure charging.
  • the matching of the voltage of the electric plug 1 and the charging socket 2 enables the charging connector to work reliably at all times and eliminates safety hazards.
  • FIG. 2 FIG. 4, FIG. 5 and FIG. 6, another modification of the embodiment is that the charging plug 1 is further provided with a normally open type micro switch 5 for controlling internal circuit switching.
  • the normally open type micro switch 5 is provided with a normally open type trigger lever 501
  • the charging socket 2 is provided with a normally open
  • the type of trigger lever 501 is opposite to the normally open type triggering ejector pin 6.
  • the socket 101 and the plug 201 are inserted into the position, that is, the main plug 201b is inserted into the main socket and the end faces of the charging plug 1 and the charging socket 2 are opposite, so that the charging plug 1 and the charging socket 2 cannot be further cooperated. status.
  • the charging plug 1 is connected to the charger through its internal circuit
  • the charging socket 2 is connected to the battery on the electric vehicle through its internal circuit.
  • the charging plug 1 is provided with a normally-on type micro switch 5 for controlling the internal circuit to be turned on and off, when the charging plug 1 and the charging socket 2 are not fully inserted into the position, even if the user turns on the charging device, the charging operation cannot be performed, which is effective. Prevent damage due to poor contact due to improper insertion Bad charging connector, which greatly improves the safety and reliability of the charging connector.
  • the embodiment further has an improvement on the charging socket 2, which is provided with a normally closed micro switch 7 for controlling the opening and closing of the vehicle starting circuit.
  • the normally closed type micro switch 7 is provided with a normally closed trigger lever 701, and the charging plug 1 is provided.
  • the normally closed trigger ejector pin 8 is opposite to the normally closed trigger lever 701; when the socket 101 on the charging plug 1 and the latch 201 on the charging socket 2 are inserted, the normally closed trigger ejector pin 8 is pressed against the normally closed type.
  • the trigger lever 701 drives the normally closed micro switch 7 to be turned off, as shown in FIG.
  • the plugging of the charging plug 1 and the charging socket 2 means that the ground pin 201a in the plug 201 has been inserted into the ground socket in the socket 101, and the main plug 201b is not in contact with the main socket, until charging. The entire process of plug 1 and charging socket 2 is fully inserted into position.
  • the charging socket 2 is provided with a normally closed micro switch 7 for controlling the opening and closing of the vehicle starting circuit, when the charging plug 1 and the charging socket 2 are plugged, the normally closed micro switch 7 can always disconnect the starting circuit of the vehicle. It prevents the vehicle from accidentally starting, thus effectively ensuring the safety and reliability of the use of the charging connector, especially to prevent accidents that endanger personal safety.

Abstract

Le connecteur de charge pour un véhicule électrique selon l'invention comprend une fiche de charge (1) et une prise de charge (2), un manchon de fiche (101) étant disposé sur la fiche de charge, et une broche de fiche (201) connectée au manchon de fiche étant disposée sur la prise de charge ; la fiche de charge comporte aussi une clé de détrompeur (3) correspondant à un niveau de tension spécifique, et la prise de charge comporte un trou détrompeur (4) apparié ; ou la fiche de charge comporte aussi un trou détrompeur correspondant à un niveau de tension spécifique, et la prise de charge comporte une clé de détrompeur apparié ; en raison de l'appariement mutuel entre la fiche de charge et la prise de charge en agençant la clé de détrompeur et le trou détrompeur correspondant à un niveau de tension spécifique, le connecteur de charge pour un véhicule électrique peut prévenir efficacement les mauvais branchements d'un utilisateur, et garantir la correspondance de tension entre la fiche de charge et la prise de charge, de sorte que le connecteur de charge puisse tout le temps fonctionner de manière fiable et que les risques de sécurité soient éliminés.
PCT/CN2011/083511 2010-12-10 2011-12-06 Connecteur de charge pour véhicule électrique WO2012075925A1 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CN2010206522074U CN201868697U (zh) 2010-12-10 2010-12-10 电动车充电连接器
CN201020652198.9 2010-12-10
CN2010206522182U CN201868685U (zh) 2010-12-10 2010-12-10 电动车充电连接器
CN2010206521989U CN201868696U (zh) 2010-12-10 2010-12-10 电动车充电连接器
CN201020652207.4 2010-12-10
CN201020652218.2 2010-12-10

Publications (1)

Publication Number Publication Date
WO2012075925A1 true WO2012075925A1 (fr) 2012-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/083511 WO2012075925A1 (fr) 2010-12-10 2011-12-06 Connecteur de charge pour véhicule électrique

Country Status (1)

Country Link
WO (1) WO2012075925A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109273935A (zh) * 2018-10-29 2019-01-25 南京康尼机电股份有限公司 供电插头和电动汽车充电模块
CN109728481A (zh) * 2018-12-18 2019-05-07 南京金城机械有限公司 一种电动车充电安全开关
CN109866636A (zh) * 2019-03-13 2019-06-11 友邦电气（平湖）股份有限公司 用于7kw随车交流充电桩的充电头组件

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558533A (en) * 1992-12-18 1996-09-24 Yazaki Corporation Electrical connector
CN2686151Y (zh) * 2003-12-08 2005-03-16 沙永康 充电器用组合插头插座装置
US20080233773A1 (en) * 2007-03-21 2008-09-25 Michael Meleck Cab power connectors
CN201868697U (zh) * 2010-12-10 2011-06-15 怡达电气(苏州)有限公司 电动车充电连接器
CN201868685U (zh) * 2010-12-10 2011-06-15 怡达电气(苏州)有限公司 电动车充电连接器
CN201868696U (zh) * 2010-12-10 2011-06-15 怡达电气(苏州)有限公司 电动车充电连接器

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5558533A (en) * 1992-12-18 1996-09-24 Yazaki Corporation Electrical connector
CN2686151Y (zh) * 2003-12-08 2005-03-16 沙永康 充电器用组合插头插座装置
US20080233773A1 (en) * 2007-03-21 2008-09-25 Michael Meleck Cab power connectors
CN201868697U (zh) * 2010-12-10 2011-06-15 怡达电气(苏州)有限公司 电动车充电连接器
CN201868685U (zh) * 2010-12-10 2011-06-15 怡达电气(苏州)有限公司 电动车充电连接器
CN201868696U (zh) * 2010-12-10 2011-06-15 怡达电气(苏州)有限公司 电动车充电连接器

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109273935A (zh) * 2018-10-29 2019-01-25 南京康尼机电股份有限公司 供电插头和电动汽车充电模块
CN109728481A (zh) * 2018-12-18 2019-05-07 南京金城机械有限公司 一种电动车充电安全开关
CN109866636A (zh) * 2019-03-13 2019-06-11 友邦电气（平湖）股份有限公司 用于7kw随车交流充电桩的充电头组件

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