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
  • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
  • H01R13/6205—Two-part coupling devices held in engagement by a magnet
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
  • B60L53/14—Conductive energy transfer
  • B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/10—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
• • 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

Definitions

• the invention relates to the power supply of hybrid or all-electric vehicles, and more specifically the connection devices that equip such vehicles and which are intended to allow their electrical connection to a charging cord.
• connection device or base
• a load cord that is heavy and bulky (usually five meters to unroll for a mass of about four kilos), and therefore difficult to handle for many people, and moreover generally difficult to connect and visible in public spaces.
• This visibility induces not only a fear of theft, but also a fear of electrical risk (for oneself and for others).
• connection devices are specifically adapted to very low voltage electrical loads (typically 12 volts), while other connection devices (or bases) are specifically adapted to low voltage electrical loads (typically 230 volts). Therefore, car manufacturers must have not only two types of connection devices (of different designs and shapes), but also two types of parts or equipment adapted specifically and respectively to the reception of both types of devices. connection device, which increases the cost of manufacturing vehicles and complicates inventory management.
• the invention is therefore particularly intended to improve the situation. It proposes for this purpose a dual-purpose connection device, intended to allow the electrical connection of a vehicle to a load cord, and comprising a first housing comprising:
• first power contacts of a first type connected to electrical power supply cables for powering the vehicle, and clean for at least two of them to be coupled respectively to at least two second power contacts; a second type, complementary to the first type, and forming part of a second casing of the charge cord,
• First magnetic means adapted to cooperate with second complementary magnetic means and forming part of the second housing for temporarily coupling the first housing to the second housing.
• connection device which can be connected both to a charging cord dedicated to the very low voltage (that is to say with two second power contacts and three second signaling contacts), to a dedicated low-voltage charging cord (that is to say with three second power contacts and two second signaling contacts), and thus making it possible to provide only one type of parts or equipment for his welcome.
• the dual-use connection device according to the invention may include other features that can be taken separately or in combination, and in particular:
• the first type may be male and suitable for being associated with a second female type
• each first power contact may be surrounded by an insulation wall
• the first type may be female and suitable for being associated with a second male type
• its first housing may comprise, on the one hand, a first portion provided with i) three first metal pins each having a first end of the second type and a second end secured to one of the electric supply cables, and respectively defining first sub-parts of the first power contacts, and ii) three second metal pins each having a first end of the second type and a second end secured to one of the electric signaling cables, and respectively defining first sub-parts.
• first signaling contacts of the first type and secondly a second part provided with i) three third metal pins each having two opposite ends of the first type, one of which is connected to the first end of a first pin metal and respectively defining second sub-parts of the first contacts of power, and ii) three fourth metal pins each having two opposite ends of the first type, one of which is connected to the first end of a second metal pin and respectively defining second sub-portions of the first signaling contacts;
• its first housing may comprise a front face provided with a protective valve slidably mounted under an elastic return force so as to be displaced between a closed position, masking the first power contacts and the first signaling contacts, and a open position adapted to allow electrical connection of the first housing to the second housing;
• the first power contacts can be either substantially aligned on a straight line or substantially and respectively placed at the vertices of a triangle;
• the first signaling contacts may be substantially and respectively placed at the vertices of a triangle.
• the invention also proposes a vehicle, possibly of automobile type, and comprising at least one dual-use connection device of the type of that presented above.
• FIG. 1 schematically illustrates, in an interior perspective view, a first embodiment of a connection device according to the invention
• FIG. 2 schematically illustrates, in a view from above, a portion of a variant of the connection device of FIG. 1;
• FIG. 3 schematically illustrates, in a view from above, a portion of another variant embodiment of the connection device of FIG. 1,
• FIG. 4 schematically illustrates, in an interior perspective view, the part of the connection device of FIG. 3,
• FIG. 5 schematically illustrates, in a perspective view, an exemplary embodiment of a second load-cord housing adapted to be coupled to the connection device of FIGS. 3 and 4, and
• FIG. 6 schematically illustrates, in an internal perspective view, a second embodiment of a connection device according to the invention.
• the invention aims in particular to provide a dual-purpose DC connection device for enabling the electrical connection of an all-electric or hybrid vehicle to a DC charging cord.
• the vehicle is automotive type. This is for example a car. But the invention is not limited to this type of vehicle. It concerns indeed any type of all-electric or hybrid vehicle to have a connection device (or base) DC to recharge at least one battery it understands.
• FIG. 1 shows schematically an exemplary embodiment of a connection device (or base) DC according to the invention.
• a DC connection device comprises at least a first box BC1 coupled to a CD electrical cord comprising two (or three) electrical supply cables CEA1 and three (or two) electrical signaling cables CES1 each comprising two opposite ends which for one of them is intended to be secured to a charging equipment (or charger) of the vehicle
• the first box BC1 comprises three first CP1 power contacts of a first type, three first CS1 signaling contacts of the first type, and first magnetic means MM1.
• the first type is male and adapted to be associated with a second female type (complementary to this first type). But the opposite situation can be considered, and in this case the first type is female and fit to be associated with a second male type.
• the first three CP1 power contacts (here of the male type for example) are respectively connected to the three electrical power supply cables CEA1 which are intended to electrically power the vehicle to recharge its (their) battery (s). At least two of these first power contacts CP1 are adapted to be coupled respectively to at least two second power contacts CP2 of the second type (here female type for example) which are part of a second BC2 housing. a DC charging cord (see Figure 5).
• the first three signaling contacts CS1 (here of the male type for example) are respectively connected to the three electrical signaling cables CES1 which are intended to be connected to a vehicle equipment which controls the recharging of the battery (s) ( s). At least two of these first signaling contacts CS1 are adapted to be coupled respectively to at least two second signaling contacts CS2 of the second type (here of the female type for example) which form part of the second casing BC2 of the charging cord. CC supra.
• the DC charging cord when the DC charging cord is specifically adapted to very low voltage electrical charges (typically 12 volts), it comprises two second CP2 power contacts of the second type which are used and three second CS2 signaling contacts of the second type which are used. Therefore, in this case two of the three first power contacts CP1 and the first three signaling contacts CS1 of the DC connection device are used for charging.
• the DC charging cord when the DC charging cord is specifically adapted to low-voltage electrical charges (typically 230 volts), it comprises three second CP2 power contacts of the second type which are used, and two second CS2 signaling contacts of the second type which are used. Therefore, in this case the first three power contacts CP1 and two of the first three signaling contacts CS1 of the DC connection device are used for charging.
• the second box BC2 comprises three second CP2 power contacts of the second type and three second CS2 signaling contacts of the second type.
• the second housing BC2 could comprise either three second CP2 power contacts of the second type and two second CS2 signaling contacts of the second type, or two second CP2 power contacts of the second type and three second CS2 signaling contacts. of the second type.
• connection device now having the same interface, the same dimensions for two different types of electric charge (low voltage and very low voltage), it can therefore be associated with a room or a reception equipment of a single type, which can to be used in different vehicle models. This facilitates inventory management of spare parts, facilitates the design of vehicles and reduces the manufacturing costs of user vehicles.
• each first power contact CP1 may optionally be surrounded by an insulating wall PI designed to provide phase isolation.
• each insulating wall PI may have a circular cylindrical shape (it is said that it has a "chimney" shape).
• the first power contacts CP1 may not be surrounded by PI insulating walls (for the charge at very low voltage in particular).
• the PI insulation walls can be made of polymer thermoplastic (for example polyester (or PE)).
• first power contacts CP1 can be, for example, substantially aligned on a straight line, as illustrated in FIGS. 1, 2 and 6, or substantially and respectively placed at the vertices of a (possibly equilateral) triangle, as illustrated in Figures 3 and 4.
• first signaling contacts CS1 can be, for example, substantially and respectively placed at the vertices of a triangle (possibly equilateral), as shown in Figures 1 to 6.
• the diameter of the first power contacts CP1 may be equal to 2.8 mm, and the distance between them (CP1) can be equal to 14 mm.
• the diameter of the first CP1 power contacts may be equal to 3.6 mm, and the distance between them (CP1) may be equal to 12 mm (when aligned on a straight line) or 14 mm (when placed at the vertices of an equilateral triangle).
• the diameter of the first signaling contacts CS1 may be equal to 1.3 mm (or 1.5 mm), and the distance between them (CS1) may be equal to 14 mm (when placed at the vertices of an equilateral triangle).
• the first magnetic means MM1 are adapted to cooperate with second complementary magnetic means MM2 which are part of the second housing BC2, for temporarily coupling their first housing BC1 to the second housing BC2.
• the first magnetic means MM1 may comprise at least one permanent magnet having a positive pole (or north), while the second magnetic means may comprise at least one permanent magnet having a negative pole (or south).
• the opposite situation is also possible.
• the permanent magnet MM1 may have a north pole in the first housing BC1 and the permanent magnet MM2 may have a south pole in the second housing BC2, while for low voltage (230 Volts) the permanent magnet MM1 may have a south pole in the first housing BC1 and the permanent magnet MM2 may have a north pole in the second housing BC2.
• first housing BC1 In order to ensure the tightness of the DC connection device at its front coupling face, it is preferable, as illustrated in FIGS. 1 and 6, for its first housing BC1 to have a front face FV provided with a valve.
• CLP protection device slidably mounted under an elastic return force so as to be moved between a closed position (see FIG. 1), masking the first power contacts CP1 and the first signaling contacts CS1, and an open position (see FIG. ) suitable to allow an electrical connection of the first case BC1 to the second case BC2.
• the CLP valve may comprise a wall provided on a front face with a protuberance PP intended to facilitate its separation from the remainder of the first housing BC1 by a user, and on a rear face of two sliding tabs PC for sliding in two cylindrical guiding cells AG made inside the first housing BC1 on a length limited by a stop for holding the springs.
• the latter (BC1) may comprise, as shown in non-limiting manner in FIGS. 1 and 6, return springs mounted on the sliding tabs PC, one end of which is secured to the sliding tabs PC at the top and the other end rests firmly on the bottom guiding cavities, on the side of the front face FV.
• the first box BC1 includes first P1 and second P2 parts secured to one another reversibly, for example by screwing, as shown in non-limiting manner in FIG. 6.
• the first part (or "rear" part) P1 is provided with three first metal pins BM1 and three second metal pins BM2.
• the second part (or "front" part) P2 is provided with three third BM3 metal pins and three BM4 fourth metal pins.
• the second part P2 advantageously plays the role of a spare part which provides electrical continuity between the first part P1, which is fixedly secured to a vehicle reception room, and the electric cord 5 CD, and which avoids to have to disconnect and remove all this electric cord CD.
• the first box BC1 may optionally comprise a device for double locking of its first power contacts CP1 and its first signaling contacts CS1, and / or at least a resistor (for example 1 100 ⁇ +/- 1% and 0.25 Watt) coupling two of its first signaling contacts CS1, and / or sealing means (in its rear part) for its electrical cables, CEA1 power supply and its electrical signaling cables CES1.
• a resistor for example 1 100 ⁇ +/- 1% and 0.25 Watt

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• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Charge And Discharge Circuits For Batteries Or The Like (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)
• Details Of Connecting Devices For Male And Female Coupling (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=50483163

Family Applications (1)

Country Status (4)

Families Citing this family (1)

Family Cites Families (9)

• 2014
  • 2014-02-07 FR FR1450959A patent/FR3017341B1/fr not_active Expired - Fee Related
• 2015
  • 2015-02-02 CN CN201580007411.6A patent/CN105960740B/zh not_active Expired - Fee Related
  • 2015-02-02 WO PCT/FR2015/050234 patent/WO2015118252A1/fr not_active Ceased
  • 2015-02-02 EP EP15706877.6A patent/EP3103162A1/de not_active Withdrawn

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