WO2023008029A1 - Connecteur de charge - Google Patents

Connecteur de charge Download PDF

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Publication number
WO2023008029A1
WO2023008029A1 PCT/JP2022/025445 JP2022025445W WO2023008029A1 WO 2023008029 A1 WO2023008029 A1 WO 2023008029A1 JP 2022025445 W JP2022025445 W JP 2022025445W WO 2023008029 A1 WO2023008029 A1 WO 2023008029A1
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WO
WIPO (PCT)
Prior art keywords
charging connector
power
thermistor
vehicle
terminal
Prior art date
Application number
PCT/JP2022/025445
Other languages
English (en)
Japanese (ja)
Inventor
聖 覚田
健也 高橋
啓一 吉田
賢 木下
道紀 大澤
Original Assignee
住友電装株式会社
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
Application filed by 住友電装株式会社 filed Critical 住友電装株式会社
Priority to CN202280048792.2A priority Critical patent/CN117642942A/zh
Publication of WO2023008029A1 publication Critical patent/WO2023008029A1/fr

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Classifications

    • 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
    • H01R13/52—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
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • 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

Definitions

  • the present disclosure relates to charging connectors.
  • Vehicles such as electric vehicles are equipped with a charging connector that connects to an external charging connector on the desk lamp side to receive charging.
  • a connection terminal is provided at a connecting portion between the charging connector and the external charging connector.
  • a device as described in Patent Document 1 is known as such a charging connector.
  • the charging connector described in Patent Literature 1 has a cylindrical portion that is fitted to the external charging connector.
  • a plurality of terminals electrically connected to the terminals of the external charging connector are provided inside the tubular portion.
  • connection terminals In addition, due to the recent demand for rapid charging, there is an increasing demand for charging with a large current. In charging with a large current, it is particularly required to monitor the connection terminals.
  • the purpose is to provide a charging connector that can monitor the temperature of the power terminal.
  • a charging connector is a charging connector mounted on a vehicle, mated with an external charging connector connected to an external power source of the vehicle, and used for charging a battery provided in the vehicle.
  • first and second power terminals connected to terminals of the external charging connector for supplying electric power to the battery from the outside of the vehicle; a signal terminal connected to the terminal; and a thermistor body attached to at least one of the first and second power terminals and detecting a temperature of at least one of the first and second power terminals.
  • a housing formed with power terminal accommodating portions capable of respectively accommodating the first and second power terminals;
  • a retainer is provided for pressing outward, the power terminal accommodating portion is formed with a partial recess in the circumferential direction, at least a portion of the thermistor body is accommodated in the recess, and the housing includes the In a direction orthogonal to the parallel direction of the first and second power terminals and the inserting/removing direction of the external charging connector, a water flow from the outside to the inside of the vehicle is provided at a position away from the first and second power terminals. is formed, and the housing is arranged between the opening of the flow passage inside the vehicle and the thermistor body so as to block the inflow of water flowing out of the flow passage toward the thermistor body. It has a water protection part to be arranged.
  • FIG. 1 is a schematic diagram showing a vehicle with a charging connector together with an external power source.
  • FIG. 2 is a plan view showing the charging connector according to the first embodiment and how it is assembled.
  • FIG. 3 is a perspective view showing the charging connector according to Embodiment 1.
  • FIG. 4 is an exploded perspective view showing the charging connector according to Embodiment 1.
  • FIG. 5 is a front view showing the charging connector according to the first embodiment;
  • FIG. FIG. 6 is a cross-sectional view taken along line VI--VI of FIG.
  • FIG. 7 is a perspective view showing a power terminal that constitutes the charging connector.
  • FIG. 8 is a plan view showing power terminals forming the charging connector.
  • FIG. 9 is a diagram for explaining a state in which the thermistor unit is fixed.
  • FIG. 10 is a cross-sectional view taken along line XX of FIG. 9.
  • FIG. FIG. 11 is a partial enlarged view showing the positional relationship of part of the housing, power terminals, and thermistor unit from the oblique rear side.
  • FIG. 12 is a partial enlarged view showing the arrangement relationship of a portion of the housing, power terminals, and thermistor unit from the back.
  • FIG. 13 is a schematic diagram showing the positional relationship of the thermistor main body, recessed portion, water protection portion, flow path, and opening.
  • FIG. 14 is a perspective view showing the retainer together with power terminals and signal terminals from the rear side.
  • FIG. 15 is a perspective view showing the grommet from the front side.
  • FIG. 16 is a partial enlarged view showing the positional relationship of a part of the housing, power terminals, and thermistor unit from the oblique rear side.
  • FIG. 17 is a partial enlarged view showing the arrangement relationship of a portion of the housing, power terminals, and thermistor unit from the back.
  • FIG. 18 is a schematic diagram showing the positional relationship of the thermistor main body, recessed portion, water protection portion, flow path, and opening.
  • the charging connector of the present disclosure is as follows.
  • a charging connector that is mounted on a vehicle, is mated with an external charging connector that is connected to an external power source of the vehicle, and is used to charge a battery provided in the vehicle, wherein the battery is charged from the outside of the vehicle.
  • First and second power terminals connected to terminals of the external charging connector that supply power to the vehicle, and terminals of the external charging connector that transmit and receive signals from the outside of the vehicle to the control unit of the vehicle.
  • a thermistor body attached to at least one of the first and second power terminals and detecting a temperature of at least one of the first and second power terminals; and a second power terminal, respectively, and the first and second power terminals accommodated in the power terminal accommodating portion are arranged in a direction from the inside to the outside of the vehicle.
  • the power terminal accommodating portion is formed with a partial concave portion in the circumferential direction, at least a portion of the thermistor body is accommodated in the concave portion, and the housing includes the first and the first power terminal receiving portions.
  • a water flow path from the outside to the inside of the vehicle is provided at a position away from the first and second power terminals.
  • the housing is disposed between an opening of the flow passage inside the vehicle and the thermistor body so as to block water flowing out of the flow passage from flowing toward the thermistor body.
  • a charging connector having a water prevention part.
  • a partial recess is formed in the power terminal accommodating portion in the circumferential direction, at least a portion of the thermistor body is accommodated in the recess, and the housing blocks the inflow of water flowing out of the flow path toward the thermistor body.
  • the thermistor body may be fixed to at least one of the first and second power terminals with a screw. This is because the fixing between the thermistor body and the power terminal is simple and reliable.
  • a rotation prevention member between the thermistor main body and the power terminal is further provided, and the rotation prevention member is attached to at least one of the thermistor holding portion that holds the thermistor main body and the first and second power terminals.
  • the rotation prevention member may have a fixed portion to be fixed by the screw, and a terminal contact portion that comes into contact with the power terminal when turned in the tightening direction of the screw.
  • the retainer is formed with an opening penetrating in the insertion/removal direction of the external charging connector between at least one of the first and second power terminals and the signal terminal. , a thermistor electric wire pulled out from the thermistor main body may be inserted. This is because the wires of the thermistor body are inserted through the opening, which facilitates assembly.
  • a signal wire pulled out from the signal terminal may be bundled and routed together with the thermistor wire inside the vehicle inside the retainer in the insertion/removal direction of the external charging connector. Since the thermistor electric wire and the signal electric wire are bundled and routed, it becomes easy to manage the signal wire and the signal electric wire after assembly. Or easier to store.
  • the water protection portion may be inclined with respect to a plane parallel to the parallel direction of the first and second power terminals and the insertion/removal direction of the external charging connector. The accumulation of water in the water exposure prevention portion is suppressed. This is because the drainage property is thereby improved.
  • the retainer may have a through hole for draining water guided by the water exposure prevention part, and the through hole may be arranged below the water exposure prevention part. This is because the water is guided to the through-hole arranged below the water exposure prevention portion, and the water is drained from the through-hole, thereby suppressing puddle of the retainer.
  • (8) further comprising an exterior member covering a portion of the housing and the retainer from the inside of the vehicle, the exterior member having a drain port for draining water guided through the through-hole of the retainer;
  • the drain port may be arranged below the through hole of the retainer. This is because the water is guided to the drain port arranged below the through-hole, and the water is drained from the drain port, thereby suppressing the puddle of the exterior member.
  • First and second power terminals are attached to the ends of the first and second power terminals opposite to the side connected to the external charging connector, respectively, and extend in a direction intersecting the insertion/removal direction of the external charging connector. It may further include a second relay terminal and a power line fixed to each of the first and second relay terminals so as to extend in a direction intersecting the insertion/removal direction of the external charging connector. This is because the power line extends in the direction crossing the insertion/removal direction of the external charging connector, so that the space for the charging connector in the insertion/removal direction of the external charging connector can be reduced.
  • FIG. 1 is a schematic diagram showing a vehicle 1 having a charging connector 10 together with an external power source 9.
  • FIG. 1 is a schematic diagram showing a vehicle 1 having a charging connector 10 together with an external power source 9.
  • Vehicle 1 includes a body 2 , a battery 3 , a PCU (Power Control Unit) 4 , a motor generator 5 , a charger 6 and a charging connector 10 .
  • PCU Power Control Unit
  • the battery 3 is a secondary battery, such as a lithium ion battery.
  • PCU 4 includes an inverter and a converter.
  • the motor generator 5 is a rotating electric machine that functions as a driving motor and as a generator.
  • the PCU 4 converts the DC power supplied from the battery 3 into AC power and supplies the AC power to the motor generator 5 .
  • the motor generator 5 is driven by the AC power supplied from the PCU 4 to drive the drive wheels. Also, the motor generator 5 generates power when the wheels are decelerated.
  • the PCU 4 converts AC power generated by the motor generator 5 into DC power to charge the battery 3 .
  • the body 2 is a part that constitutes the appearance of the vehicle 1.
  • the body 2 is provided with a lid. When the lid is opened, charging connector 10 is exposed to the outside.
  • the position where charging connector 10 is provided is arbitrary.
  • charging connector 10 may be provided in the front portion of body 2 or may be provided in the rear portion of the side portion.
  • the charger 6 is connected to the charging connector 10 and the battery 3.
  • Charger 6 for example, converts AC power supplied from charging connector 10 into DC power, or voltage-converts DC power supplied from charging connector 10 , and supplies it to battery 3 .
  • Rapid charging enables charging in a shorter time than normal charging by allowing a larger current to flow than normal charging.
  • normal charging it is assumed that a domestic power source or an equivalent external power source is used.
  • rapid charging it is assumed that a dedicated power supply such as a charging stand is used.
  • the charging connector 10 of the present disclosure will be described as a charging connector that supports rapid charging.
  • Charging connector 10 is used to charge battery 3 provided in vehicle 1 .
  • Charging connector 10 is mounted on vehicle 1 .
  • the charging connector 10 is connected to the terminals of the external charging connector 7 by fitting with the external charging connector 7 .
  • pin-shaped terminals of the external charging connector 7 are fitted and connected to cylindrical terminals of the charging connector 10 .
  • the pin-shaped terminals of the charging connector 10 may be fitted and connected to the cylindrical terminals of the external charging connector 7 .
  • External charging connector 7 is connected to external power source 9 via converter 8 .
  • the converter 8 adjusts the power current, voltage, etc. supplied from the external power supply 9 and supplies it to the battery 3 .
  • the vehicle 1 runs by driving the motor with the electric power of the battery 3 .
  • the vehicle 1 may be an electric vehicle having only a motor as a drive source, or a hybrid vehicle having a motor and an engine.
  • FIG. 2 is a plan view showing the charging connector 10 according to Embodiment 1 and its assembly mode.
  • the charging connector 10 is configured to be electrically connected by being fitted with the external charging connector 7 (see FIG. 1).
  • the charging connector 10 is attached to an attachment portion 100 provided on the body 2 of the vehicle 1, for example.
  • An example of the mounting portion 100 is shown in FIG.
  • the mounting portion 100 is, for example, a portion of a panel 102 that forms the body 2 and is formed in a concave shape that is recessed inside the vehicle.
  • a recessed opening in this panel 102 forms an opening capable of receiving an external charging connector.
  • a through hole 104 is formed in the bottom panel 102 of the mounting portion 100 .
  • a connecting portion with the external charging connector 7 of the charging connector 10 is provided on the outside of the vehicle 1 in the insertion/removal direction of the external charging connector 7 (see FIG. 1).
  • the connecting portion includes a portion into which the external charging connector 7 is inserted and electrically connected.
  • a portion of charging connector 10 including the connection portion, penetrates through hole 104 and is exposed to the outside of panel 102 .
  • Another part of charging connector 10 is arranged inside the vehicle rather than panel 102 .
  • the mounting portion 100 is provided with a vehicle body side cover 106 .
  • the vehicle body side cover 106 is attached to the panel 102 by a hinge or the like so that it can be opened and closed.
  • the vehicle body side cover 106 covers the opening of the panel 102 when the vehicle body side cover 106 is closed. When the vehicle body side cover 106 is opened, the charging connector 10 is exposed and can be accessed from the outside.
  • the X direction is parallel to the direction in which charging connector 10 penetrates through hole 104 of panel 102. be.
  • Charging connector 10 and external charging connector 7 are connected in the X direction.
  • the X direction is expressed as the insertion/extraction direction of the external charging connector 7 .
  • the Y direction is the parallel direction of a pair of power terminals.
  • the Z direction is the direction orthogonal to both the X and Y directions.
  • the X direction is the left-right direction of the vehicle
  • the Y direction is the front-rear direction of the vehicle
  • the Z direction is the vertical direction
  • the X direction is the front-rear direction of the vehicle
  • the Y direction is the left-right direction of the vehicle
  • the Z direction is the vertical direction.
  • FIG. 3 is a perspective view showing the charging connector 10 according to Embodiment 1.
  • FIG. 4 is an exploded perspective view showing the charging connector 10 according to the first embodiment.
  • FIG. 5 is a front view showing the charging connector 10 according to Embodiment 1.
  • FIG. 6 is a cross-sectional view taken along line VI--VI of FIG. Note that the power line 29 is omitted in FIG.
  • the charging connector 10 includes a power terminal 20, a signal terminal 16, a relay terminal 28, a power line 29, a thermistor unit 40, a housing 30, a retainer 70, a lid unit 80, and a grommet 90 as an exterior component.
  • Relay terminal 28 is interposed between power terminal 20 and power line 29 .
  • Relay terminal 28 electrically connects power terminal 20 and power line 29 .
  • the relay terminals 28 are provided in the same number as the power terminals 20 (here, two).
  • the terminals include a pair of power terminals 20 and signal terminals 16 .
  • the pair of power terminals 20 is an example of a first power terminal and a second power terminal.
  • Power terminals 20 and signal terminals 16 are housed in housing 30 .
  • the power terminal 20 and the signal terminal 16 are connected to terminals (not shown) of the external charging connector 7 during charging. More specifically, the pair of power terminals 20 are connected to terminals of an external charging connector 7 that supplies electric power to the battery 3 from the outside of the vehicle 1 .
  • Signal terminal 16 is connected to a terminal of external charging connector 7 for transmitting and receiving signals from the outside of vehicle 1 to the control unit (PCU 4 ) of vehicle 1 .
  • power terminal 20, signal terminal 16 The number and types of these terminals (power terminal 20, signal terminal 16) are appropriately set according to the standard of the charging connector 10. In this embodiment, a pair of power terminals 20 and six signal terminals 16 are provided.
  • FIG. 7 is a perspective view showing the power terminal 20, the thermistor unit 40, the fixing member 50, and the anti-rotation member 60 from above.
  • 8 is a plan view showing the power terminal 20, the thermistor unit 40, the fixing member 50, and the anti-rotation member 60.
  • FIG. 9 is an explanatory diagram showing a state where the thermistor unit 40 is attached to the power terminal 20.
  • FIG. 10 is a cross-sectional view taken along line XX of FIG. 9. FIG. 7 and 8, the signal line 42 is omitted.
  • the power terminal 20 is composed of a conductor.
  • the power terminal 20 is made of metal, for example. As described above, the power terminal 20 is formed by pressing a metal plate, for example. When a large number of objects having the same shape are produced, the metal plate press working method is simpler and cheaper than other working methods.
  • the power terminal 20 has a first electrical connection portion 21 , a second electrical connection portion 22 and an intermediate portion 23 .
  • the first electrical connection portion 21 is provided, for example, at one end in the length direction of the power terminal 20 .
  • the second electrical connection portion 22 is provided, for example, at the other end in the length direction of the power terminal 20 .
  • the intermediate portion 23 is provided between the first electrical connection portion 21 and the second electrical connection portion 22 .
  • the first electrical connection portion 21 can be connected to a terminal (not shown) provided on the external charging connector 7 .
  • a terminal not shown
  • the first electrical connection portion 21 has, for example, a tubular shape. Then, for example, the power terminal 20 and the external charging connector 7 are mechanically connected by inserting the terminal of the external charging connector 7 into the first electrical connection portion 21 .
  • the second electrical connection portion 22 can be connected to a conductive member (not shown) inside the vehicle 1 .
  • a conductive member for example, an electric wire with a terminal, an electric wire without a terminal, a bus bar, or the like is used.
  • the second electrical connection portion 22 is electrically connected to the charger 6 via a conductive member.
  • the intermediate portion 23 has a first surface 23a facing a detent member 60, which will be described later in detail, and a second surface 23b opposite to the first surface 23a.
  • Each of the first surface 23a and the second surface 23b has, for example, a planar shape parallel to each other.
  • the intermediate portion 23 has a fixing hole 24 .
  • the fixing hole 24 is a hole recessed from the first surface 23a.
  • the fixing hole 24 of this embodiment penetrates the intermediate portion 23 in the plate thickness direction, for example, from the first surface 23a to the second surface 23b.
  • the intermediate portion 23 has a pair of side surfaces 23c shown in FIG.
  • Each side surface 23c is a surface connecting the first surface 23a and the second surface 23b.
  • the side surfaces 23c are provided on both edges of the intermediate portion 23 in the width direction.
  • a thermistor unit 40 is attached to each of the pair of power terminals 20 .
  • the thermistor unit 40 detects the temperature of each power terminal 20 .
  • the thermistor unit 40 includes a thermistor body 41 and signal lines 42 drawn from the thermistor body 41 .
  • the thermistor body 41 includes a sensor element and a housing that accommodates the sensor element.
  • a signal line 42 is connected to the sensor element.
  • the housing is made of resin, for example.
  • the thermistor main body 41 has, for example, a substantially rectangular parallelepiped shape.
  • the sensor element outputs a signal corresponding to the temperature change via the signal line 42 .
  • the signal line 42 is electrically connected to the PCU 4 that controls charging of the battery 3 based on the signal from the sensor element.
  • the thermistor unit 40 for example, an NTC (Negative Temperature Coefficient) thermistor, a PTC (Positive Temperature Coefficient) thermistor, or a PT (Platinum Thermometer) sensor is adopted.
  • the anti-rotation member 60 is, for example, a conductor.
  • the anti-rotation member 60 is made of metal, for example.
  • heat can be efficiently transferred from the power terminal 20 to the thermistor unit 40 because metal has a higher thermal conductivity than resin or the like.
  • the anti-rotation member 60 is formed, for example, by pressing a metal plate. Employing the press-formed anti-rotation member 60 improves the productivity of the anti-rotation member 60 as in the case of the power terminal 20 described above.
  • the anti-rotation member 60 has a fixed portion 61 , a thermistor holding portion 62 that holds the thermistor body 41 , and a terminal contact portion 63 that contacts the power terminal 20 .
  • the fixed portion 61 is fixed to the intermediate portion 23 by a fixing member 50.
  • the fixed portion 61 has, for example, a through hole 61a penetrating through the fixed portion 61 .
  • the fixing member 50 is made of metal, for example. When the fixing member 50 made of metal is employed, heat can be efficiently transferred from the power terminal 20 to the thermistor unit 40 . As a result, the accuracy of temperature detection of the power terminal 20 by the thermistor unit 40 is improved.
  • the terminal contact portion 63 includes a first extension portion 63a and a second extension portion 63b.
  • the fixing member 50 is a screw
  • the terminal contact portion 63 rotates in the direction of arrow D1 which is the screw tightening direction
  • the first extending portion 63a and the side surface 23c come into contact with each other. This prevents the terminal contact portion 63 from moving in the direction of the arrow D1.
  • variation in the arrangement position of the thermistor main body 41 is suppressed. This facilitates assembly of the thermistor main body 41 to the power terminal 20 .
  • the terminal contact portion 63 will be described in more detail later.
  • the thermistor holding portion 62 is connected to the fixed portion 61 .
  • the thermistor body 41 of the thermistor unit 40 is fixed to the thermistor holding portion 62 .
  • the thermistor holding portion 62 has an upper surface 62a and a lower surface 62b opposite to the upper surface 62a.
  • the thermistor body 41 is fixed to the upper surface 62a.
  • the lower surface 62b is in direct contact with the first surface 23a of the intermediate portion 23. As shown in FIG.
  • the fixed portion 61 and the thermistor holding portion 62 are aligned in the length direction of the power terminal 20, for example. .
  • the fixed portion 61 is located on the first electrical connection portion 21 side (see FIGS. 7 and 8), and the thermistor holding portion 62 is located on the second electrical connection portion 22 side. Positioning the thermistor holding portion 62 on the side of the second electrical connection portion 22 makes it easier for the wiring of the signal line 42 of the thermistor unit 40 to be drawn inward of the vehicle 1 .
  • the thermistor holding portion 62 has, for example, a wall portion 62c protruding from an upper surface 62a.
  • a pair of wall portions 62c are provided, for example.
  • the pair of wall portions 62c face each other in the width direction perpendicular to the length direction of the power terminal 20.
  • the thermistor main body 41 is housed between the pair of walls 62c.
  • the thermistor main body 41 and the anti-rotation member 60 are fixed by, for example, an adhesive 67 (see FIG. 10).
  • the adhesive 67 is, for example, thermosetting resin.
  • As the adhesive 67 for example, an epoxy resin or the like can be used.
  • the adhesive 67 is applied to, for example, the upper surface 62a of the thermistor holding portion 62 or the surface of the thermistor main body 41 facing the upper surface 62a.
  • Each wall portion 65 functions to block the adhesive 67 pushed out from between the thermistor main body 41 and the upper surface 62a.
  • Each wall portion 62 c also serves to position the thermistor main body 41 with respect to the thermistor holding portion 62 .
  • the thermistor main body 41 and the anti-rotation member 60 may be fixed by a fixing method other than the adhesive 67 .
  • the adhesive 67 may cover the thermistor body and the wall portion 62c from above so that the thermistor body is held in the thermistor holding portion 62 .
  • the wall portion 62c has, for example, a positioning portion 66 shown in FIGS. 7 to 10.
  • the positioning portion 66 extends, for example, from the end of the wall portion 62c on the fixed portion 61 side.
  • the positioning portion 66 contacts the thermistor main body 41 in the length direction of the power terminal 20 .
  • the thermistor main body 41 is positioned in the length direction of the power terminal 20 .
  • the positioning part 66 is provided in each wall part 62c, for example.
  • the first extending portion 63a extends from the first surface 23a side of the intermediate portion 23 toward the second surface 23b side.
  • the first extending portion 63a faces one side surface 23c of the intermediate portion 23 in the rotation direction of the fixing member 50 as a screw toward the fixed side.
  • the rotation direction of the fixing member 50 toward the fixed side is, for example, an arrow D1 (clockwise direction) centered on the axis of the fixing member 50 when viewed from the head side of the screw.
  • the first extending portion 63 a can contact one side surface 23 c of the intermediate portion 23 .
  • the first extending portion 63a having such a configuration can be used in the tightening direction of the bolt (for example, when the bolt is The anti-rotation member 60 is prevented from being rotated in the direction of the arrow D1)).
  • the first extending portion 63a which can contact the side surface 23c of the intermediate portion 23, abuts against the side surface 23c, thereby functioning as a stopper.
  • the fixing member 50 is fixed, the anti-rotation member 60 is prevented from being rotated.
  • the second extending portion 63b extends from the first extending portion 63a.
  • the second extending portion 63b is, for example, a bent portion.
  • the second extending portion 63b extends, for example, along the second surface 23b of the intermediate portion 23 from the tip of the first extending portion 63a.
  • the second extending portion 63b faces the second surface 23b and can come into contact with the second surface 23b.
  • Good see Figure 10
  • the second extending portion 63b faces the lower surface 62b of the thermistor holding portion 62 when the anti-rotation member 60 is removed from the power terminal 20 .
  • the thermistor unit 40 does not extend beyond the first surface 23a. prevented from leaving.
  • the routing path of the signal line 42 of the thermistor unit 40 is set in a direction away from the first surface 23 a of the intermediate portion 23 , the thermistor body 41 and the anti-rotation member 60 are pulled by the signal line 42 . , force is applied to the anti-rotation member 60 in a direction away from the first surface 23a.
  • the second extending portion 63b of the anti-rotation member 60 contacts the second surface 23b of the intermediate portion 23, thereby suppressing the separation of the thermistor holding portion 62 from the first surface 23a. . This keeps the thermistor holding portion 62 in contact with the first surface 23a.
  • the fixing member 50 for fixing the anti-rotation member 60 to the power terminal 20
  • the fixing member 50 is, for example, a bolt.
  • a bolt is an example of a screw. That is, the fixing member 50 has a threaded portion 51 having threads on its outer peripheral surface.
  • a thread groove (not shown) is formed on the inner peripheral surface of the fixing hole 24 of the intermediate portion 23 .
  • the threaded portion 51 is inserted through the through hole 61 a of the fixed portion 61 and screwed into the fixing hole 24 .
  • the fixed portion 61 is fixed in contact with the first surface 23 a of the intermediate portion 23 .
  • the securing member 50 may be screwed onto the crimp nut 20 attached to the power terminal 20 (see FIG. 10).
  • the caulking nut 52 is a nut also called a press-fit nut, and is a nut that is fixed to the power terminal 20 by being partially press-fitted into a hole formed in the power terminal 20 .
  • FIG. 11 is a partial enlarged view showing the positional relationship of part of the housing 30, the power terminal 20, and the thermistor unit 40 from the oblique rear side.
  • FIG. 12 is a partially enlarged view showing the arrangement relationship of housing 30, power terminal 20, and thermistor unit 40 from the back.
  • FIG. 13 is a schematic diagram showing the positional relationship among thermistor body 41, recess 31a, water protection portion 35, flow path 33, and opening 34. As shown in FIG.
  • the housing 30 is made of synthetic resin, for example.
  • the housing 30 is formed with power terminal accommodating portions 31 capable of accommodating the pair of power terminals 20 respectively.
  • the power terminal accommodating portion 31 may be divided into power terminal accommodating portions 31A and 31B as required.
  • the housing 30 is formed with signal terminal accommodating portions 32 capable of accommodating the signal terminals 16 respectively.
  • the signal terminal housing portion 32 may be classified into signal terminal housing portions 32A, 32B, 32C, and 32D as necessary.
  • the power terminal accommodating portions 31A and 31B are arranged in parallel in the Y direction, and the pair of power terminals 20 are also arranged in parallel in the Y direction.
  • three signal terminal accommodating portions 32A, 32B, and 32C are formed on the upper side in the vertical direction (+Z side, the same shall apply hereinafter) of the pair of power terminal accommodating portions 31 .
  • a signal terminal accommodating portion 32A is formed directly above the power terminal accommodating portion 31A
  • a signal terminal accommodating portion 32B is formed directly above the power terminal accommodating portion 31B.
  • a signal terminal housing portion 32C is formed between the pair of power terminal housing portions 31A and 31B, and a signal terminal housing portion 32D is formed directly below the signal terminal housing portion 32C.
  • Such an arrangement relationship between the power terminal 20 and the signal terminal 16 may be defined by the charging standard.
  • a flow path 33 for water is formed.
  • the flow path 33 is formed at a position that does not cover the power terminal 20 in a direction (Z direction) orthogonal to the parallel direction (Y direction) of the power terminals 20 and the insertion/removal direction (X direction) of the external charging connector. .
  • the flow path 33 is formed, for example, below the arrangement position of the signal terminal 16 in the signal terminal accommodating portion 32 (referred to as the -Z side, hereinafter the same).
  • the flow path 33 may be vertically below the arrangement position of the signal terminal 16 .
  • the flow path 33 is a space that passes through the signal terminal accommodating portion 32A.
  • the signal terminal accommodating portion 32A has a through hole extending from the outside of the vehicle to the inside of the vehicle.
  • a downward opening 34 which is a partial depression, is formed in the downward portion of the vehicle-interior end of the signal terminal housing portion 32A.
  • the flow path 33 is formed so as to reach the opening 34 from the through hole in the signal terminal accommodating portion 32A. It is assumed that the water passes through the flow passage 33 and drips downward from the opening 34 .
  • the power terminal accommodating portions 31A and 31B are formed with partial concave portions 31a in the circumferential direction thereof.
  • the recess 31a may be, for example, a recess formed during molding.
  • the recessed portion 31a is formed in a portion of the end portion (in this case, an upper portion) of the power terminal accommodating portions 31A and 31B on the inner side of the vehicle.
  • the concave portion 31 a is formed in a concave shape with a width and depth that can accommodate the thermistor body 41 attached to the power terminal 20 , for example.
  • a part of the thermistor main body 41 on the -X side is accommodated in the concave portion 31a, and the remaining portion on the opposite side protrudes rearward from the concave portion 31a.
  • part of the thermistor main body 41 is accommodated in the recess 31a, but the entire thermistor main body 41 may be accommodated in the recess 31a. Since at least part of the thermistor main body 41 is accommodated in the recess 31a, the power terminal accommodating portions 31A and 31B have an inner diameter suitable for accommodating the power terminal 20, and the thermistor main body 41 attached to the power terminal 20 is arranged. Space is easily secured. Therefore, it becomes easy to realize a configuration in which the thermistor main body 41 for monitoring the temperature of the power terminal 20 is attached to the power terminal 20 .
  • the housing 30 has a water protection portion 35 arranged between the opening 34 inside the vehicle 1 of the flow passage 33 and the thermistor body 41 .
  • the water protection part 35 is arranged, for example, vertically above the thermistor body 41 . Such an arrangement can prevent water from falling onto the thermistor main body 41 .
  • the water exposure prevention portion 35 blocks the inflow of water flowing out of the flow passage 33 toward the thermistor main body 41 . Specifically, the water flowing out of the flow passage 33 falls vertically downward. When the dropped water tries to flow toward the thermistor main body 41 , the water protection portion 35 prevents the water from flowing to the thermistor main body 41 .
  • the water contact prevention portion 35 guides the flow of water in either the left or right direction of the thermistor main body 41 in the YZ plane view.
  • the water exposure prevention portion 35 is made of synthetic resin, for example.
  • the water exposure prevention portion 35 is formed integrally with the housing 30, for example.
  • the wet prevention portion 35 may be made of a material other than the synthetic resin.
  • the water exposure prevention portion 35 made of an insulating material such as synthetic resin is provided, even if the insulation distance between the thermistor main body 41 and the signal terminal 16 is insufficient when the water exposure prevention portion 35 does not exist, The insulation distance is increased by the amount of the water contact prevention portion 35 .
  • the thermistor main body 41 is attached to the power terminal 20 at a position close to the signal terminal 16 , the thermistor main body 41 and the signal terminal 16 are prevented from being separated from each other by arranging the water protection portion 35 between the thermistor main body 41 and the signal terminal 16 . A short circuit with terminal 16 is prevented.
  • the water exposure prevention portion 35 is inclined with respect to a plane (XY plane) parallel to the parallel direction (Y direction) of the pair of power terminals 20 and the insertion/removal direction (X direction) of the external charging connector 7. .
  • the water protection portion 35 for example, inclines from top to bottom on the YZ plane as it goes left and right from the central portion.
  • the wet prevention portion 35 may be linearly inclined, or may be curved while being inclined. Therefore, the accumulation of water in the water protection portion 35 is suppressed. Thereby, the drainage performance of the housing 30 is improved.
  • the shape of the water exposure prevention portion 35 is not limited to a shape that is inclined on the YZ plane.
  • the water exposure prevention portion 35 may have a shape that slopes upward from below toward the +X side on the XZ plane. Moreover, if the water exposure prevention portion 35 has a shape that blocks the inflow of water flowing out of the flow passage 33 toward the thermistor main body 41 (a shape that does not allow water to flow from the water exposure prevention portion 35 toward the thermistor main body 41), , may be of other shapes. For example, the water exposure prevention portion 35 may have a shape that inclines only to one side from the top to the bottom on the YZ plane.
  • the water exposure prevention portion 35 is connected to both ends of the recess 31a in the Y direction by connecting walls 36, for example.
  • the power terminal accommodating portion 31 and the water protection portion 35 surround the power terminal 20 and the thermistor main body 41 in the entire circumferential direction. As a result, splashing of water onto the thermistor main body 41 from multiple directions is suppressed.
  • the configuration in which the water exposure prevention portion 35 is connected to both ends of the concave portion 31a in the Y direction by the connection wall 36 is not limited.
  • the water exposure prevention part 35 blocks the inflow of the water flowing out of the flow passage 33 toward the thermistor main body 41. If so, other configurations may be employed. As shown in FIG. 13 , in the insertion/removal direction (X direction) of the external charging connector 7, the water protection portion 35 is located on the inner side (+X side) of the vehicle 1 from the outer ( ⁇ X side) end N point of the opening 34 on the vehicle 1 . ) end point M is arranged on the inner side (+X side) of the vehicle 1 . As a result, the water flowing out from the flow path 33 through the opening 34 flows in the arrow E direction.
  • Water flowing in the direction of arrow E is prevented from flowing in the direction of the thermistor main body 41 by the water protection portion 35 that flows out of the flow passage 33 . Therefore, with such a configuration of the water exposure prevention portion 35, the thermistor main body 41 is prevented from being splashed with water. As a result, the temperature of the temperature detecting portion (not shown) of the thermistor main body 41 is prevented from dropping due to water splashing, and the temperature of the power terminal 20 is detected more accurately. As a result, a charging connector capable of monitoring the temperature of the power terminal 20 can be provided.
  • each relay terminal 28 extends, for example, in a direction orthogonal to the insertion/removal direction (X direction) of the external charging connector 7 .
  • 2, 3, and 5 the pair of power lines 29 are fixed to each relay terminal 28 so as to extend in a direction orthogonal to the inserting/removing direction of the external charging connector 7. As shown in FIGS. 4 and 6 , the pair of relay terminals 28 are attached to the end of each power terminal 20 opposite to the side connected to the external charging connector 7 .
  • the pair of relay terminals 28 are examples of a first relay terminal and a second relay terminal.
  • each relay terminal 28 extends, for example, in a direction orthogonal to the insertion/removal direction (X direction) of the external charging connector 7 . 2, 3, and 5, the pair of power lines 29 are fixed to each relay terminal 28 so as to extend in a direction orthogonal to the inserting/removing direction of the external charging connector 7.
  • each relay terminal 28 and power line 29 are configured to extend in a direction orthogonal to the insertion/removal direction (X direction) of the external charging connector 7. It may be an extended configuration. However, from the viewpoint of space saving of the charging connector 10 in the insertion/removal direction (X direction) of the external charging connector 7, it is preferable to extend in a direction orthogonal to the insertion/removal direction (X direction) of the external charging connector 7. .
  • FIG. 14 is a rear perspective view showing the retainer 70 together with the power terminals 20 and the signal terminals 16 from the rear side.
  • the retainer 70 prevents the power terminal 20 and the signal terminal 16 from coming off from the housing 30 .
  • the retainer 70 includes a terminal holding portion 71 (see FIG. 6) and ribs 75 and 76 (see FIG. 14).
  • the terminal pressing portion 71 presses the rear of the power terminal 20 and the signal terminal 16 accommodated in the housing 30 . This prevents the power terminal 20 and the signal terminal 16 from coming out of the housing 30 backward.
  • Terminal pressing portion 71 includes a rear cover portion 72 and a plurality of projecting tubular portions 73 .
  • a plurality of protruding tubular portions 73 protrude forward (toward the housing 30 ) from the rear cover portion 72 .
  • a plurality of projecting tubular portions 73 are formed at positions corresponding to the respective terminal accommodating portions 31 and 32 .
  • Each projecting tubular portion 73 communicates with each through hole. The tip of each protruding tubular portion 73 is inserted into the corresponding terminal housing portion 31, 32 to press the terminals 20, 16 from behind.
  • the retainer 70 is formed with an opening 77 penetrating in the insertion/extraction direction (X direction) of the external charging connector 7 .
  • This opening 77 is positioned between the power terminal 20 and the signal terminal 16 on the YZ plane.
  • a slit 73 ⁇ /b>S extending along the axial direction of the protruding tubular portion 73 is formed in the protruding tubular portion 73 that presses the signal terminal 16 .
  • the slit 73S allows the space inside the protruding tubular portion 73 and the space inside the opening portion 77 to communicate with each other.
  • the signal terminal 16 and the signal wire 42 are inserted through the opening 77 during assembly.
  • the signal line 42 is arranged in the protruding tubular portion 73 through the slit 73S.
  • the opening 77 has the role of allowing the signal line 42 with the signal terminal 16 attached to the end thereof to easily pass through the protruding tubular portion 73 .
  • a signal line 42 as a thermistor electric wire drawn out from the thermistor main body 41 is inserted through the opening 77 .
  • the signal wire 42 and the signal wire 16a are bundled and routed (see FIG. 6). Since the signal wire 42 and the signal wire 16a are bundled and routed in this manner, the signal wire 42 and the signal wire 16a after assembly can be easily managed. Or easier to store.
  • the ribs 75 and 76 separate the relay terminals 28 from each other. Further, the ribs 75 and 76 partition the relay terminal 28 and the signal terminal 16 . The ribs 75 and 76 also position the relay terminal 28 . A portion of the relay terminal 28 that is connected to the power terminal 20 is arranged along the ribs 75 and 76 . The ribs 75 , 76 separate the accommodation space for the power terminal 20 and the drainage space inside the grommet 90 .
  • the retainer 70 has a through hole 78 for draining water guided by the water exposure prevention portion 35 .
  • the through hole 78 is arranged below the water exposure prevention portion 35 ( ⁇ Z side).
  • the through holes 78 are holes formed below the ribs 75 and 76 .
  • the through hole 78 may be formed around the lower end of the retainer 70 in the vertical direction. As described above, the water that is guided by the water exposure prevention portion 35 and flows down accumulates in the space between the housing 50 and the retainer 70 . Water between the housing 50 and the retainer 70 is drained through the through holes 78 to a drainage space inside the vehicle with respect to the retainer 70 . This improves drainage between the housing 50 and the retainer 70 .
  • the through hole 78 may be arranged vertically below the water exposure prevention portion 35 .
  • the through-hole 78 is not limited to the bottom in the vertical direction, and the water guided by the water exposure prevention portion 35 is drained as long as it is disposed below the water exposure prevention portion 35 .
  • FIG. 15 is a perspective view showing the grommet 90 from the front side.
  • Grommet 90 covers housing 30 and retainer 70, as shown in FIGS. More specifically, the grommet 90 covers part of the housing 30 and retainer 70 from the inside of the vehicle 1 .
  • Grommet 90 includes a first protector 91 and a second protector 94 .
  • the first protection portion 91 covers the rear side of the housing 30 and the retainer 70 .
  • the second protection portion 94 covers the wire holding portion (not shown).
  • the grommet 90 is made of an elastomer such as EPDM (Ethylene Propylene Diene Monomer).
  • the grommet 90 is preferably made of an elastic member.
  • a housing drawer port 92 and a drain port 93 are formed in the first protection portion 91 .
  • the front end of the housing 30 extends outside the grommet 90 through the housing outlet 92 .
  • Drain port 93 is an opening for draining water that has entered charging connector 10 to the outside.
  • the drain port 93 is arranged on the vehicle inner side of the retainer 70 and below the through hole 78 in the vertical direction (-Z side). As described above, it is assumed that water entering charging connector 10 enters through flow path 33 of housing 30 when lid unit 80 is opened, for example. After passing through the flow path 33 , the water is guided to the through hole 78 of the retainer 70 and enters the grommet 90 .
  • the drain port 93 drains water guided through the through hole 78 of the retainer 70 .
  • the grommet 90 Since the water is discharged from the drain port 93 in this way, the grommet 90 is prevented from accumulating water. That is, the drainage performance of the grommet 90 is improved.
  • the configuration in which the drain port 93 is arranged below the through hole 78 in the vertical direction is not limited. If the drain port 93 is arranged below the water exposure prevention section 35, the water guided by the water exposure prevention section 35 can be discharged.
  • a binding band 98 is attached to the outer surface of the housing outlet 92 .
  • Grommet 90 is attached to housing 30 by a tie band 98 .
  • a wire outlet 95 is formed in the second protection portion 94 .
  • the other end of the power line 29 connected from the power terminal 20 via the relay terminal 28 extends through the wire outlet 95 to the outside of the grommet 90 .
  • One grommet 90 is provided with three wire outlets 95 (see FIG. 5). Two of the three wire outlets 95 are provided for two power lines 29 .
  • One power line 29 is passed through each of the two wire outlets 95 .
  • the signal wire 42 and the signal wire 16a are collectively passed through the remaining one wire outlet 95 out of the three wire outlets 95 .
  • the portion of the charging connector 10 inside the vehicle 1 can be easily entirely covered with an elastic exterior member. Thereby, the waterproofness of the portion of the charging connector 10 inside the vehicle 1 can be improved.
  • a protector can also be used as the elastic exterior member.
  • Embodiment 2 A charging connector 210 according to Embodiment 2 will be described.
  • FIG. 16 is a partial enlarged view showing the arrangement relationship of the housing 230, the power terminals 20, and the thermistor unit 40 from the oblique rear side.
  • FIG. 17 is a partially enlarged view showing the arrangement relationship of housing 230, power terminal 20, and thermistor unit 40 from the back.
  • the same components as those described in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
  • the housing 230 according to the second embodiment is made of synthetic resin, for example.
  • the housing 30 is formed with power terminal accommodating portions 231 capable of accommodating the pair of power terminals 20 respectively.
  • the housing 230 is formed with signal terminal accommodating portions 232 capable of accommodating the signal terminals 16 respectively.
  • the power terminal accommodating portions 231A and 231B are arranged in parallel in the Y direction, and the pair of power terminals 20 are also arranged in parallel in the Y direction.
  • four signal terminal accommodating portions 232 are collectively formed above the central portion between the pair of power terminal accommodating portions 231A and 231B.
  • the four signal terminal housings 232 are arranged at positions corresponding to the vertices of the rhombus.
  • signal terminal accommodating portions 232 are collectively formed similarly to the above on the lower side of the central portion between the pair of power terminal accommodating portions 231A and 231B.
  • Such an arrangement relationship between the power terminals 20 and the signal terminals 16 is determined by a standard different from the standard of the first embodiment, for example.
  • the water flow path 233 in the housing 230 in the second embodiment and the flow path of water flowing down from the flow path 233 are different from those in the first embodiment. Due to the difference in water flow, the water protection portion in the second embodiment is different from the water protection portion in the first embodiment. A description focusing on this point will be given below.
  • a water flow path 233 is formed that connects from the outside ( ⁇ X side) to the inside (+X side) of the vehicle 1 in the parallel direction (Y direction) of the pair of power terminals 20 and the insertion/extraction direction (X direction) of the external charging connector. be.
  • the distribution path 233 is positioned away from the power terminal 20 in a direction (Z direction) orthogonal to the parallel direction (Y direction) of the power terminals 20 and the insertion/removal direction (X direction) of the external charging connector, that is, the power terminal It is formed at a position not overlapping with 20 .
  • the flow path 233 also functions as a latch insertion opening that engages with a latch (not shown) of the external charging connector 7 when connected to the external charging connector 7, for example.
  • a latch is a portion that is moved by operating a lever (not shown) of the external charging connector 7 .
  • the latch is switched between a locked state in which it engages with the flow path 233 and a released state in which it releases engagement with the flow path 233 by operating the lever.
  • the flow path 233 is positioned vertically above (+Z side) the signal terminal accommodating portion 232, for example.
  • the power terminal accommodating portions 231A and 231B are formed with partial concave portions 231a in the circumferential direction.
  • the recess 231a may be, for example, a recess formed during molding.
  • the recessed portion 231a is formed in a recessed shape with a width and depth that can accommodate the thermistor main body 41, for example.
  • a portion of the thermistor main body 41 on the -X side is accommodated in the recess 231a, and the remaining portion on the opposite side protrudes from the recess 231a toward the +X side.
  • part of the thermistor main body 41 is accommodated in the recess 231a, but the entire thermistor main body 41 may be accommodated in the recess 231a.
  • the housing 230 is arranged between the opening 34 of the flow path 233 inside the vehicle 1 and the thermistor body 41 so as to block the flow of water flowing out of the flow path 233 toward the thermistor body 41. It has a prevention part 235 .
  • the water protection part 235 is provided with respect to a plane (XY plane) parallel to the parallel direction (Y direction) of the pair of power terminals 20 and the insertion/removal direction (X direction) of the external charging connector 7. incline.
  • the water protection portion 235 blocks the flow of water flowing out of the flow passage 33 toward the thermistor main body 41 .
  • the water exposure prevention portion 235 is arranged, for example, vertically above the thermistor body 41 . Such an arrangement can prevent water from falling onto the thermistor main body 41 .
  • the water protection portion 235 blocks the flow of water flowing out of the flow path 233 toward the thermistor main body 41 . Specifically, the water flowing out of the flow path 233 falls vertically downward.
  • the water that has fallen in this manner is guided in the horizontal direction in the Y direction by the signal terminal accommodating portion 232 located below the flow path 233 in the vertical direction.
  • the water protection portion 235 prevents the water from flowing to the thermistor main body 41 . That is, the water exposure prevention portion 235 guides the flow of water in either the left or right direction of the thermistor body 41 in a YZ plan view. As shown in FIGS. 16 and 17 , the water protection portion 235 slopes downward from the center toward the ends of the housing 230 on the YZ plane, for example. This slant directs water from the center of the housing 230 to the edges.
  • the water protection portion 235 since the water protection portion 235 is inclined, water is prevented from accumulating in the water protection portion 235 . This improves the drainage performance of the housing 230 .
  • the water protection portion 235 may be inclined upward from the bottom toward the end portion of the housing 230 on the YZ plane.
  • the shape of the water exposure prevention portion 235 is not limited to a shape that is inclined on the YZ plane.
  • the wet prevention portion 235 may have a shape that slopes upward from below toward the +X side on the XZ plane.
  • the wet prevention portion 235 may have any other shape as long as it blocks the flow of water flowing out of the flow passage 33 toward the thermistor main body 41 .
  • one end of the water protection portion 235 on a plane parallel to the YZ plane is connected to one end of the concave portion 231 a in the Y direction by the connection wall 236 , and the other end is connected to the signal terminal accommodating portion 232 .
  • the power terminal accommodating portion 231 , the water protection portion 235 and the signal terminal accommodating portion 232 block the power terminal 20 and the thermistor main body 41 from water flowing out from the flow path 233 .
  • splashing of water onto the thermistor main body 41 from multiple directions is suppressed.
  • the configuration in which the water exposure prevention portion 235 is connected to the concave portion 231a is not limited.
  • the water exposure prevention part 235 blocks the inflow of the water flowing out of the flow path 33 toward the thermistor main body 41. If so, other configurations may be employed.
  • FIG. 18 is a schematic diagram showing the positional relationship among the thermistor main body 41, recessed portion 231a, water protection portion 235, flow path 233, and opening 234.
  • the inner (+X side) end M2 of the water protection portion 235 in the vehicle 1 is closer to the vehicle 1 than the end N2 of the opening 234. 1 inside (+X side).
  • the water flowing out from the flow path 233 through the opening 234 flows in the arrow F direction. Water flowing in the direction of arrow F is prevented from flowing in the direction of the thermistor main body 41 by the water protection portion 235 that flows out of the flow passage 233 .
  • the thermistor main body 41 is prevented from being splashed with water.
  • the temperature of the temperature detecting portion (not shown) of the thermistor main body 41 is prevented from dropping due to water exposure, and the temperature of the power terminal 20 is detected more accurately.
  • connection walls 36, 236 connect the water exposure prevention portions 35, 235 and the recesses 31a, 231a.
  • the present invention also includes the case where the connecting walls 36 and 236 are not connected.
  • Embodiments 1 and 2 can be appropriately combined as long as they do not contradict each other.

Landscapes

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

Abstract

La présente invention comprend : des première et seconde bornes d'alimentation ; une borne de signal ; un corps de thermistance qui détecte la température des bornes de puissance ; un boîtier dans lequel sont formées des sections de réception de borne d'alimentation dans lesquelles les première et seconde bornes d'alimentation peuvent être respectivement reçues ; et un élément de retenue qui presse les bornes d'alimentation logées dans les sections de réception de borne d'alimentation. Des évidements sont formés dans les sections de réception de borne d'alimentation, et une partie du corps de thermistance est logée dans les évidements. Un canal d'écoulement pour l'eau est formé dans le boîtier. Le boîtier a une section anti-eau disposée entre le corps de thermistance et une ouverture, dans le canal d'écoulement, sur un côté interne d'un véhicule de façon à bloquer l'entrée, dans la direction du corps de thermistance, de l'eau s'écoulant hors du canal d'écoulement.
PCT/JP2022/025445 2021-07-29 2022-06-27 Connecteur de charge WO2023008029A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202280048792.2A CN117642942A (zh) 2021-07-29 2022-06-27 充电连接器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2021-124269 2021-07-29
JP2021124269A JP2023019503A (ja) 2021-07-29 2021-07-29 充電コネクタ

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WO2023008029A1 true WO2023008029A1 (fr) 2023-02-02

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11897351B2 (en) * 2021-09-03 2024-02-13 T-Conn Precision Corporation Electrical connector

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014053091A (ja) * 2012-09-05 2014-03-20 Japan Aviation Electronics Industry Ltd 電動車両の充電用の受電側コネクタ
JP2014075333A (ja) * 2012-09-11 2014-04-24 Panasonic Corp 電源コード
JP2015011797A (ja) * 2013-06-27 2015-01-19 矢崎総業株式会社 端子及び充電コネクタ
JP2017208228A (ja) * 2016-05-18 2017-11-24 住友電装株式会社 車両側コネクタ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2014053091A (ja) * 2012-09-05 2014-03-20 Japan Aviation Electronics Industry Ltd 電動車両の充電用の受電側コネクタ
JP2014075333A (ja) * 2012-09-11 2014-04-24 Panasonic Corp 電源コード
JP2015011797A (ja) * 2013-06-27 2015-01-19 矢崎総業株式会社 端子及び充電コネクタ
JP2017208228A (ja) * 2016-05-18 2017-11-24 住友電装株式会社 車両側コネクタ

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11897351B2 (en) * 2021-09-03 2024-02-13 T-Conn Precision Corporation Electrical connector

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CN117642942A (zh) 2024-03-01

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