Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B7/00—Insulated conductors or cables characterised by their form
  • H01B7/42—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction
  • H01B7/421—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation
  • H01B7/423—Insulated conductors or cables characterised by their form with arrangements for heat dissipation or conduction for heat dissipation using a cooling fluid
• • 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
• • B—PERFORMING OPERATIONS; TRANSPORTING
  • B60—VEHICLES IN GENERAL
  • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
  • B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
  • B60L53/30—Constructional details of charging stations
  • B60L53/302—Cooling of charging equipment
• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
  • H01B9/00—Power cables
  • H01B9/006—Constructional features relating to the conductors
• • 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
  • H01R13/005—Electrical coupling combined with fluidic coupling
• • 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
  • H01R24/20—Coupling parts carrying sockets, clips or analogous contacts and secured only to wire or cable
• • 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
  • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
• • H—ELECTRICITY
  • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
  • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
  • H02G3/02—Details
  • H02G3/03—Cooling
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/60—Other road transportation technologies with climate change mitigation effect
  • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02T90/10—Technologies relating to charging of electric vehicles
  • Y02T90/12—Electric charging stations
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
  • Y02T90/10—Technologies relating to charging of electric vehicles
  • Y02T90/14—Plug-in electric vehicles

Definitions

• the invention relates to an electrically conductive
• Cooling coil is arranged in the connector.
• the charging cable includes a cable sheath, at least a first
• Coolant guiding device The first conductor and the coolant supply means are disposed inside the cable sheath.
• the charging cable is a cable for DC transmission. It is therefore an object of the invention to improve the cooling of a contact element for a connector.
• Cooling cavity which in a contact region opposite to the arranged distal opening of the
• Cable connection area opens.
• a distal opening of a radially inner tube of a cable is passed through the distal opening of the cable connection area guided inside the cooling cavity.
• a supplied via the cable to the contact element cooling fluid can be introduced into the contact element.
• the cooling fluid is so close to a
• the proposed contact element contributes to the arrangement of the cooling element
• Contact element and a connector thus produced can be transferred with appropriate cooling of the contact element without further currents of 350-400 A at a voltage of 1000 V, whereby a high charging power can be provided for an energy storage.
• a high charging power can be provided for an energy storage.
• the cable connection region comprises a peripheral connection section, wherein the peripheral connection section is arranged proximally with respect to the opening.
• An electrical conductor of the cable is electrical and mechanical with the peripheral
• connection section contacted.
• the proximally arranged connecting portion allows a coaxial to the cooling cavity arrangement of the electrical conductor.
• Connecting portion can be cooled in this way only by a wall of the cable connection area übe the cooling fluid flowing in the cooling cavity cooled.
• the cable connection region comprises a peripheral sealing section. A distal end of a tube of the cable surrounding the radially inner tube is arranged in a fluid-tight manner on the sealing section.
• An advantageous embodiment is characterized in that a main body comprises the contact area with a contact socket, wherein the cooling cavity extends into the main body.
• the effect of the cooling fluid thus advantageously extends over the main body up to the contact socket.
• Cooling fluid can flow in this way into the interior of the contact pin and thus advantageously contribute to cooling.
• An advantageous embodiment is characterized in that the cooling cavity is formed as a blind hole.
• An advantageous embodiment is characterized in that a first volume within the tube forms a portion of a feed or return for the cooling fluid, wherein a second volume between an outer wall of the hose and an inner wall of the cooling cavity a portion of a return or inlet for the cooling fluid forms.
• the inlet is preferably arranged centrally within the inner tube, which ensures by the constant supply of cooling fluid that the inlet remains open.
• a charging station for electrically charging a motor vehicle comprising: a stationary unit; a connector having at least two of the proposed electrically conductive contact elements; and a charging cable disposed between the connector and the stationary unit.
• FIG. 1 shows a schematic longitudinal section of an electrically conductive contact element
• FIG. 4 shows a cross section of the cable from FIG. 2;
• Figure 5 is a schematic cross-sectional view of a
• FIG 6 in schematic form a charging station for
• Charging an energy storage device in particular a battery, a motor vehicle.
• FIG. 1 shows a schematic longitudinal section of an electrically conductive contact element 2 for a
• the contact element 2 comprises a contact region 4 for contacting a
• the contact region 4 is part of a contact socket 8, into which a contact pin, not shown, can be introduced as a mating contact element of the mating connector via a socket opening 10.
• the contact region 4 comprises two annular grooves 12 and 14, which are embodied within the contact bush 8 and in which annular contact rings, not shown, can be introduced.
• the contact region 4 as explained below, be designed as a contact pin to be introduced into a socket as a mating contact element.
• the contact element 2 comprises a fastening section 16 with a groove-shaped recess 18 running transversely to the longitudinal extent of the contact element 2, wherein the recess 18 has a groove for receiving a not
• O-rings By means of this O-ring, a seal between the insulating body and the contact element 2 is created. In the region of the fastening portion 16, the contact element 2 is held in the connector.
• the contact region 4 and the attachment section 16 are part of a main body 20. From the main body 20, the cable connection region 6 protrudes essentially in the form of a hollow cylinder and ends in a distal opening 22. The distal opening 22 releases a cooling cavity 24, which extends along a central longitudinal axis 26 of the contact element 2 extends into the main body 20 inside.
• the cooling cavity 24 is designed as a blind hole.
• a diameter enlargement 28 adjoins the circumference.
• Diameter enlargement 28 has substantially the shape of a lateral surface of a straight circular truncated cone, wherein the circular truncated cone tapers in the distal direction. Proximally to the diameter increase 28, a circumferential annular groove 30 connects.
• Diameter enlargement 28 and the annular groove 30 form a peripheral distal sealing portion 32. Proximal to the sealing portion 32 is a circumferential side closes
• FIG. 2 shows a schematic longitudinal section of FIG
• the cable 36 is substantially
• the central longitudinal axis 38 of the cable 36 and the cable end 35 falls in the present case with the central longitudinal axis 26 of the
• the cable 36 Radially outwardly from the central longitudinal axis 38, the cable 36 includes a first inner tube 40, spirally along the
• a radially outer portion of the cable end 35 comprising the second inner tube 44 and the electrical conductor 46 extends in the connection direction 50 outside the opening 22 around the cable connection region 6 of FIG
• the second inner tube 44 is arranged fluid-tight towards its distal end 54 on the sealing section 32.
• the electrical conductor 46 is arranged at its end 56 by means of a clamp 58 on the connecting portion 34.
• the clamp 58 presses the cable mesh of the electrical conductor 46 radially inwardly and thus provides a secure electrical contact between the electrical conductor 46 and the connecting portion 34 ago.
• a radially inner portion of the cable end 35 includes the first inner tube 40 and the spacer 42.
• the radially inner portion of the cable end 35 projects into the cooling cavity 24 with its distal opening 60.
• an opening of the first inner protrudes
• a substantially cylinder-shaped interior of the first inner tube 40 forms an inlet 62 for a
• Cooling fluid is preferably electrical
• the cooling fluid is pumped into the inlet 62.
• the spacing means 42 ensures that a return 66 arranged radially outside the inlet 62 remains open.
• the cooling fluid guided into the cooling cavity 24 via the inlet 62 is guided into the return line 66.
• the return 66 is in the cable 36 itself by a hollow cylinder-shaped volume between an outer wall of the first tube 40 and a
• Inner wall of the second tube 44 is formed.
• the return 66 is formed by a substantially hollow cylinder-shaped volume between the outer wall of the first inner
• Hose 40 and an inner wall of the cooling cavity 24 of the cable connection portion 6 is formed.
• the cable 36 connected in this way to the contact element 2 is surrounded by a heat-shrinkable tube 49 in the region of the cable end 35.
• the room can also be outside.
• the first tube 40 for an inflow of cooling fluid and the interior of the first tube 40 are used for a return of the cooling fluid.
• the contact element 2 of FIG. 3 shows a further schematic longitudinal section of an embodiment of the contact element 2 with the cable end 35 of the cable 36 arranged thereon.
• the contact element 2 of FIG. 3 comprises a contact pin 70 which forms the contact region 4.
• the contact pin 70 can be fed to a corresponding contact socket of a plug connector.
• the cooling cavity 24 is as
• a second blind hole 74 connects, which has a smaller cross-section than the first blind hole 72.
• the second blind hole 74 extends into the contact pin 70.
• FIG. 4 shows a cross-section A-A of the cable 36 of FIG. 2.
• the radially outer portion 76 of the cable 36 comprises the electrical conductor 46 and the second inner tube 44.
• the outer portion 76 is surrounded by the outer jacket 48. Radially inward connects to the radially outer
• the radially inner portion 78 includes the spacer 42 and the inner tube 40.
• FIG. 5 shows a schematic cross-sectional view of a connecting device 80, on which a second cable end 82 of the cable 36 is arranged.
• the connection device 80 has a further hollow cylinder-shaped
• Cable connection area 86 on which the cable end 82 is arranged substantially analogously to Figures 2 and 3.
• the first inner tube 40 protrudes into an inner space 88 and is slipped over a connecting tube 90.
• the cable connection region 86 is part of an electrically conductive connection element 92.
• a base body 94 has an internal thread in the region of the interior 88.
• the connection element 92 has a cable 36 facing away from the external thread, which in the internal thread of the
• Main body 94 can be screwed onto the block.
• Terminal element 92 or the base body 94 is / are electrically conductively connected to a current terminal 96.
• the main body 94 is formed electrically conductive.
• the inlet 62 and the return 66 are each with
• connection elements 98 and 99 fluid-tightly connected to the base body 94.
• the inlet 62 and the return 66 are not one
• cooling fluid pump connected to
• FIG. 6 shows in schematic form a charging station 100 for charging an energy store 102, in particular a battery, of a motor vehicle 104.
• the charging station 100 comprises a stationary unit 106, a charging cable 108 permanently connected to the stationary unit 106, and a plug connector 110 is for
• Motor vehicle 104 is provided.
• the connector 110 is released from the mating connector 112.
• a first power electronics 114 of the stationary unit 106 is, for example, to a public or private Mains power connected and generates a direct current.
• the stationary unit 106 comprises two connection devices 80A and 80B according to FIG. 5, which connect the power electronics 114 to the electrical conductors 46A and 46B of the respective cables 36A and 36B according to FIG.
• the stationary unit 106 comprises two connection devices 80A and 80B according to FIG. 5, which connect the power electronics 114 to the electrical conductors 46A and 46B of the respective cables 36A and 36B according to FIG.
• Contact elements 2A and 2B of the connector 110 according to FIGS. 1 to 3 are each connected to a mating contact element 122A and 122B of the mating connector 112.
• the mating contact elements 122A, 122B are each electrically conductively connected to a second power electronics 124 of the motor vehicle 104.
• the generated direct current flows from the first power electronics 114 of the charging station 100 to the second power electronics 124 of the motor vehicle 104.
• the power electronics 124 charges the energy storage 102 as a function of the supplied electrical energy.
• the stationary unit 106 further includes the
• Coolant fluid pump 126 The cooling fluid is over the
• Terminal devices 80A and 80B are pumped into the respective inlets 62A and 62B of the cables 36A, 36B.
• the cooling fluid pump 126 removes the cooling fluid from the returns 66A and 66B of the cables 36A, 36B.
• the cooling fluid is directed to the contact elements 2A and 2B, from where it flows back into the stationary unit 106 via the respective returns 66A, 66B.
• FIG. 7 shows a schematic longitudinal section of FIG
• a clamping ring 126 and two O-rings 128 and 130 are located
• the second tube 44 has a sufficient residual stress to counteract by means of the clamping ring 126 and the two O-rings 128 and 130 applied radially outward force.
• the clamping ring 126 and the two O-rings 128 and 130 are in accordance with in
• the connecting portion 34 of the contact element 2 comprises two annular beads 134 and 136. Furthermore, an electrically conductive metal sleeve 138 is disposed in the cable connection region 6 between the shrink tubing 49 and the electrical conductor 46. In the region of the beads 134 and 136 is the composite of electrical conductors 46 and
• the shrink tube 24 insulates the
• the metal sleeve 138 allows a current flow between the electrical conductor 46 and the connecting portion 34 to be circumferentially substantially equal in size, thereby reducing the risk of leakage
• FIG. 8 shows a schematic longitudinal section of FIG
• a clamping sleeve 140 is disposed between ⁇ two O-rings 142 and 144 in the inner sealing portion 32, wherein the
• Sealing portion 32 has a corresponding inner contour.
• the clamping sleeve 140 is supported by a first region 146 on an inner wall of the sealing portion 32 from having a longitudinal direction of the sleeve of the first area

Landscapes

• Engineering & Computer Science (AREA)
• Power Engineering (AREA)
• Transportation (AREA)
• Mechanical Engineering (AREA)
• Connector Housings Or Holding Contact Members (AREA)
• Electric Propulsion And Braking For Vehicles (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=59887314

Family Applications (1)

Country Status (9)

Families Citing this family (11)

Family Cites Families (28)

• 2016
  • 2016-09-09 DE DE102016117011.9A patent/DE102016117011A1/de active Pending
• 2017
  • 2017-08-31 KR KR1020197009697A patent/KR102508729B1/ko active IP Right Grant
  • 2017-08-31 EP EP17768221.8A patent/EP3510674A1/de not_active Withdrawn
  • 2017-08-31 US US16/332,166 patent/US11456092B2/en active Active
  • 2017-08-31 WO PCT/IB2017/001053 patent/WO2018046994A1/de unknown
  • 2017-08-31 CA CA3038237A patent/CA3038237A1/en active Pending
  • 2017-08-31 CN CN201780069101.6A patent/CN109923623B/zh active Active
  • 2017-08-31 JP JP2019513813A patent/JP2019535097A/ja active Pending
  • 2017-08-31 MX MX2019002832A patent/MX2019002832A/es unknown

Also Published As

Similar Documents

Legal Events