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WO2014155947A1 - Connecteur pour connexion électrique - Google Patents

Connecteur pour connexion électrique Download PDF

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Publication number
WO2014155947A1
WO2014155947A1 PCT/JP2014/000852 JP2014000852W WO2014155947A1 WO 2014155947 A1 WO2014155947 A1 WO 2014155947A1 JP 2014000852 W JP2014000852 W JP 2014000852W WO 2014155947 A1 WO2014155947 A1 WO 2014155947A1
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WO
WIPO (PCT)
Prior art keywords
connector
unit
signal
abnormality
lock mechanism
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2014/000852
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English (en)
Japanese (ja)
Inventor
卓也 香川
秀樹 田村
和憲 木寺
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Corp
Original Assignee
Panasonic Corp
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 Panasonic Corp filed Critical Panasonic Corp
Publication of WO2014155947A1 publication Critical patent/WO2014155947A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • B60L3/0069—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to the isolation, e.g. ground fault or leak current
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    • H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
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    • Y02T90/10—Technologies relating to charging of electric vehicles
    • Y02T90/14—Plug-in electric 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric 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
    • 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
    • Y02T90/16—Information or communication technologies improving the operation of electric vehicles
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
    • Y04S10/126—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving electric vehicles [EV] or hybrid vehicles [HEV], i.e. power aggregation of EV or HEV, vehicle to grid arrangements [V2G]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/14—Details associated with the interoperability, e.g. vehicle recognition, authentication, identification or billing

Definitions

  • the present invention relates to an electrical connection connector.
  • an electrical connector is used to electrically connect a device having a storage battery and a device (charger) that supplies charging power to the device.
  • a charging connector connected to a charging inlet of an electric vehicle is exemplified (for example, Document 1 (Japanese Patent Application Publication No. 2011-234444), Document 2 (Japanese Patent Application). See publication number 2013-20732).
  • the conventional charging connector has a mechanism for locking the connection state with the charging inlet.
  • This locking mechanism uses a solenoid controlled from a charger (device), and switches between a locked state and an unlocked state by remote operation from the charger.
  • the charger has a function of detecting any abnormality of the lock mechanism, for example, a failure of a drive circuit for driving the solenoid, and stopping the supply of the charging current when the abnormality is detected.
  • a circuit (transmission circuit) for transmitting the detection result of the detection circuit to the charger is required.
  • the transmission circuit transmits the detection result as a current signal
  • the attenuation amount of the signal increases as the cable length of the charging cable increases.
  • the signal level of the current signal received by the charger is lowered and is easily affected by noise.
  • the present invention has been made in view of the above problems, and an object thereof is to make it difficult for a signal for transmitting the occurrence of an abnormality to be affected by noise.
  • the electrical connection connector includes a connection portion, a lock mechanism portion, an abnormality detection portion, a cable, a transmission portion, and a housing.
  • the connecting portion is detachably connected to a receiving connector of a device equipped with a storage battery.
  • the locking mechanism locks the connecting portion and the receiving connector.
  • the abnormality detection unit detects an electrical abnormality of the lock mechanism unit.
  • the cable is composed of a plurality of electric wires including a power line electrically connected to the receiving connector via the connecting portion, and is connected to a device that performs at least one of power feeding to the device and power receiving from the device. Is done.
  • the transmission unit transmits information to the device via at least one of the plurality of electric wires.
  • the housing is provided at the end of the cable and houses the connection portion, the lock mechanism portion, and the transmission portion. And the said transmission part is comprised so that the detection result of the said abnormality detection part may be transmitted with a voltage signal.
  • the lock mechanism portion is supplied from the device via at least one of the plurality of electric wires.
  • a solenoid driven by electric power is provided.
  • the said transmission part uses at least 1 electric wire of the electric wire for electrically feeding to the said solenoid among the said some electric wires for the signal wire
  • the electrical connection connector includes, in addition to the first aspect, a second abnormality detection unit that detects another abnormality different from the electrical abnormality of the lock mechanism.
  • the transmission unit is configured to transmit the detection result of the second abnormality detection unit superimposed on the voltage signal.
  • the transmission unit stores a data table.
  • the data table shows a correspondence relationship between the first signal voltage level corresponding to the detection result of the abnormality detection unit and the second signal voltage level corresponding to the detection result of the second abnormality detection unit.
  • the transmitting unit reads the first signal voltage level and the second signal voltage level from the data table to generate the voltage signal.
  • the transmission unit transmits the voltage signal from the plurality of electric wires to which the signal is transmitted from the device. It is configured to be used for a signal line for transmission.
  • 1 is a system configuration diagram of a charge / discharge system including an electrical connection connector according to an embodiment of the present invention.
  • 1 is an external perspective view of an electrical connection connector according to an embodiment of the present invention. It is a block diagram of the lock mechanism part and connector lock detection part in the connector for electrical connection which concerns on embodiment of this invention.
  • the device equipped with a storage battery is not limited to an electric vehicle, and may be a stationary power storage device that stores power generated by a solar cell or a fuel cell, for example.
  • FIG. 1 is a system configuration diagram of a charge / discharge system A1 including an electrical connection connector 1 (hereinafter abbreviated as “connector”) of the present embodiment.
  • This charging / discharging system A1 is comprised by the electric vehicle 100 carrying the vehicle-mounted battery 102 (storage battery), the charging / discharging control apparatus 200, and the connector 1.
  • FIG. 1 is a system configuration diagram of a charge / discharge system A1 including an electrical connection connector 1 (hereinafter abbreviated as “connector”) of the present embodiment.
  • This charging / discharging system A1 is comprised by the electric vehicle 100 carrying the vehicle-mounted battery 102 (storage battery), the charging / discharging control apparatus 200, and the connector 1.
  • FIG. 1 is a system configuration diagram of a charge / discharge system A1 including an electrical connection connector 1 (hereinafter abbreviated as “connector”) of the present embodiment.
  • This charging / discharging system A1 is comprised by the electric vehicle 100 carrying the vehicle-mounted
  • the charge / discharge control device 200 is configured to supply power to the electric vehicle 100 (device) and to receive power from the electric vehicle 100.
  • the charge / discharge control device 200 (device) may be configured to supply power only to the electric vehicle 100 (device), or may be configured to receive power only from the electric vehicle 100.
  • the charge / discharge control device 200 includes a converter (not shown) that converts an AC voltage / current supplied from a commercial power system into a DC voltage / current.
  • the charge / discharge control apparatus 200 includes an inverter (not shown) that converts a DC voltage / current supplied from the in-vehicle battery 102 into an AC voltage / current.
  • the charge / discharge control device 200 has a function of adjusting the output of the converter and the inverter based on an instruction from the electric vehicle 100, a function of detecting an abnormality such as a ground fault and an electric leakage, and a function of stopping the converter and the inverter. is doing.
  • the electric vehicle 100 includes an auxiliary battery (not shown) for an electronic control unit (ECU, not shown) that communicates with the charge / discharge control device 200. It is installed.
  • the inlet 103 (receiving connector) provided in the electric vehicle 100 has an interface defined in a standard specification (TS D 0007: basic function of quick charging for electric vehicles) issued by the Japanese Standards Association. Have.
  • the inlet 103 includes a pair of power electrodes connected to the anode and cathode of the in-vehicle battery 102, a pair of communication electrodes for CAN (Controller (Area Network) communication, and four signal electrodes for analog signal transmission. And a ground electrode for grounding.
  • a contactor (electromagnetic contactor) 101 is inserted between the pair of power supply electrodes and the anode and cathode of the in-vehicle battery 102. These contactors 101 are controlled to be opened and closed by an electronic control unit of the electric vehicle 100.
  • the connector 1 is composed of a connector body 2 and a cable 9 as shown in FIG.
  • the cable 9 includes a pair of power lines 90, 91, a pair of CAN communication lines (not shown), a total of six transmission lines 92, 93, 94 (some transmission lines are not shown), It consists of an 11-core electric cable having a ground wire 95 (see FIG. 1).
  • the cable 9 is provided with the connector main body 2 at one end side and is connected to the charge / discharge control device 200 at the other end side.
  • the cable 9 is composed of a plurality of electric wires including the power lines 90 and 91 that are electrically connected to the inlet 103 (receiving connector) via the connecting portion 20, and is connected to the charge / discharge control device 200 (device).
  • connection portion 20 side as viewed from the connector body 2 is the “front” side
  • handle 42 side as viewed from the connector body 2 is the “rear” side.
  • the connector main body 2 is formed in a cylindrical shape as a whole, the connecting portion 20 is provided at the front end, and the handle 42 is provided at the rear end.
  • Connection unit 20 is detachably connected to inlet 103 (receiving side connector) of electric vehicle 100 (device equipped with a storage battery).
  • the connecting portion 20 has four round holes 20A and 20B open on the front surface.
  • the power supply contacts (not shown) connected to the main circuit (not shown) are accommodated in the spaces inside the two large-diameter round holes 20A, respectively.
  • the space inside the two small-diameter round holes 20B is divided into four sections, and transmission and grounding contacts (not shown) are respectively stored in the sections.
  • a cylindrical tube 41 is provided on the rear end side of the connecting portion 20 so as to be movable in the front-rear direction.
  • the cylinder 41 is provided so that the connection part 20 is located inside thereof.
  • the cylindrical body 41 is provided with an outer casing 410 at the front end thereof.
  • the outer casing 410 is pushed forward by the elastic force of a spring (not shown) housed in the connector body 2.
  • the connecting portion 20 is inserted into the inlet 103 and connected, the outer casing 410 is pushed onto one surface of the inlet 103, and the cylindrical body 41 moves rearward.
  • the engaging claws pushed by the cylindrical body 41 and retracted into the connector main body 2 jump out of the connector main body 2 and engage with engaging grooves (not shown) of the inlet 103.
  • the shape and structure of the cylinder 41 are not limited to this embodiment.
  • the release button 43 provided on the connector body 2 When the release button 43 provided on the connector body 2 is operated (pressed), the engagement claw is retracted into the connector body 2 and the engagement with the engagement groove is released. Further, a switch (detection switch) that is turned off when the engaging claw is retracted into the connector main body 2 and turned on when the engaging claw is advanced out of the connector main body 2 in the connector main body 2. 24 (see FIG. 1) is stored. That is, the detection switch 24 is turned on when the connection unit 20 is normally connected to the inlet 103.
  • a lock mechanism portion 23 for locking to the connector body 2 is provided in the connector main body 2 (see FIGS. 1 and 3).
  • the lock mechanism unit 23 is configured to lock the connection unit 20 and the inlet 103 (receiving connector).
  • the lock mechanism unit 23 includes a solenoid 230 (solenoid actuator).
  • the solenoid 230 includes a coil 231 (solenoid coil) and a plunger (not shown).
  • the solenoid 230 when the detection switch 24 is on and charge / discharge is possible in the diagnosis before charge / discharge, the drive current supplied from the charge / discharge control device 200 via the transmission line 94 and the ground line 95 flows to the coil 231. To drive the plunger (see FIGS. 1 and 3). The plunger restricts the movement of the engaging claw. In other words, the solenoid 230 is driven by electric power supplied from the charge / discharge control device 200 (device) via at least one second wire (transmission line 94) of the plurality of wires. That is, when the lock mechanism portion 23 is in the locked state, the engagement between the engagement claw and the engagement groove cannot be artificially released, and when the lock mechanism portion 23 is in the unlocked state, the release button 43 can be operated. The engagement between the engagement claw and the engagement groove can be artificially released.
  • a main contact 21, an auxiliary contact 22, an overcurrent trip device 25, a short-circuit trip device 26, and an abnormal trip device 27 are accommodated in the connector body 2.
  • a connector lock detection unit 28, an abnormal temperature detection unit 29, a temperature detection element 30, a contact state detection unit 31, a drive device 32, a voltage signal transmission / reception unit 33, a power supply filter 34 and the like are housed.
  • the connector main body 2 (housing) is provided at the tip of the cable 9 and houses the connecting portion 20, the lock mechanism portion 23, and the voltage signal transmitting / receiving portion 33 (transmitting portion).
  • the main contact 21 is provided in the main circuit through which the charging current and discharging current of the in-vehicle battery 102 flow.
  • the main contact 21 is closed when the connecting portion 20 is connected to the inlet 103, and the main contact 21 is opened when the connecting portion 20 is not connected to the inlet 103.
  • a mechanical opening / closing mechanism (not shown) is provided. However, since such an opening / closing mechanism is well known in the technical field such as a circuit breaker, the illustration and description of the detailed configuration are omitted.
  • the auxiliary contact 22 has a pair of switching contacts 220 and 221 and a common contact 222.
  • the auxiliary contact 22 selectively switches the common contact 222 to one of the switching contacts 220 and 221 in conjunction with the main contact 21.
  • the contact state detection unit 31 detects the state (open state and closed state) of the main contact 21 based on the switching state of the auxiliary contact 22, and outputs the detection result to the voltage signal transmission / reception unit 33.
  • the overcurrent tripping device 25 is configured to trip (open) the main contact 21 by an opening / closing mechanism when a predetermined overload current continues to flow through the main circuit for a predetermined time or longer.
  • the short-circuit tripping device 26 is configured to trip the main contact 21 by an opening / closing mechanism when a short-circuit current flows in the main circuit.
  • the abnormal trip device 27 is configured to trip the main contact 21 by an opening / closing mechanism when driven by the drive device 32.
  • the overcurrent tripping device 25, the short-circuit tripping device 26, the tripping device 27 at the time of abnormality, and the driving device 32 can all be realized by using a conventionally known technique in the technical field such as a circuit breaker. The illustration and description of the various configurations are omitted.
  • the connector lock detection unit 28 uses a comparator 280 to determine the magnitude of the current (drive current) flowing through the coil 231 of the lock mechanism 23 and the magnitude of the reference current (the zener current of the zener diode 281). Compare. When the lock mechanism unit 23 is in an unlocked state or when an abnormality such as a disconnection occurs and a drive current does not flow (lock abnormality state), the output of the comparator 280 becomes a high level. On the other hand, when the lock mechanism unit 23 is in a locked state and a normal state (a state in which a drive current flows through the solenoid 230), the output of the comparator 280 is at a low level.
  • the connector lock detection unit 28 corresponds to an abnormality detection unit that detects an electrical abnormality of the lock mechanism unit 23.
  • the electrical abnormality of the lock mechanism 23 refers to an event in which the drive current does not flow through the coil 231 due to disconnection or the like.
  • the detection result of the connector lock detector 28 (output of the comparator 280) is output to the voltage signal transmitter / receiver 33.
  • the abnormal temperature detection unit 29 detects the temperature of the connection unit 20 with a temperature detection element 30 provided in the vicinity of the connection unit 20, and when the detected temperature exceeds a predetermined upper limit value, the abnormal temperature detection result is transmitted to the voltage signal transmission / reception unit 33. Output to.
  • the temperature detection element 30 is composed of, for example, a thermistor.
  • the voltage signal transmission / reception unit 33 adjusts the line voltage between the transmission line 93 and the ground line 95, thereby charging / discharging the detection results of the connector lock detection unit 28, the abnormal temperature detection unit 29, and the contact state detection unit 31. Transmit to device 200. That is, in the connector 1 of the present embodiment, the voltage signal transmission / reception unit 33 transmits information to the charge / discharge control device 200 (device) via at least one of the plurality of wires (transmission line 93). It corresponds to the part. In addition, the voltage signal transmission / reception unit 33 receives a control signal transmitted as a voltage signal from the charge / discharge control device 200, controls the drive device 32 based on the control signal, and drives the trip device 27 at the time of abnormality. The main contact 21 is pulled off (opened).
  • the power supply filter 34 filters a noise component from a voltage (for example, a DC voltage of 12 volts) supplied from the charge / discharge control device 200 via the transmission line 92, and detects each of the detection units 28, 29, 31 and the drive device 32, The voltage signal transmitting / receiving unit 33 is supplied.
  • a voltage for example, a DC voltage of 12 volts
  • the power supply filter 34 is not essential and may be omitted.
  • the charging / discharging control device 200 supplies power to the connector 1 and the electric vehicle 100 by applying a specified voltage (12 V DC voltage; the same applies hereinafter) between the transmission line 92 and the ground line 95.
  • the electronic control unit of the electric vehicle 100 recognizes the start of the charging flow by applying the specified voltage, and transmits parameters such as the maximum voltage and the battery capacity of the in-vehicle battery 102 to the charge / discharge control device 200 by CAN communication. .
  • the charging / discharging control device 200 When the charging / discharging control device 200 receives a parameter from the electronic control unit of the electric vehicle 100, the charge / discharge control device 200 confirms that the electric vehicle 100 is a chargeable electric vehicle. Thereafter, the charge / discharge control device 200 transmits information such as the maximum output voltage and the maximum output current of the charge / discharge control device 200 to the electronic control unit of the electric vehicle 100 by CAN communication.
  • the electronic control unit of the electric vehicle 100 confirms the compatibility between the electric vehicle 100 and the charge / discharge control device 200 based on the information received from the charge / discharge control device 200, and permits permission to start charging if there is no problem with the compatibility.
  • the signal is transmitted to the charge / discharge control apparatus 200 via the transmission line.
  • the charge / discharge control device 200 Upon receiving the permission signal, the charge / discharge control device 200 applies a specified voltage between the transmission line 94 and the ground line 95 to cause a drive current to flow through the lock mechanism 23 of the connector 1 and lock the lock mechanism 23. State. Thereafter, the charge / discharge control apparatus 200 notifies the electronic control unit of the electric vehicle 100 that the preparation for charging is complete via the transmission line.
  • the electronic control unit of the electric vehicle 100 closes the contactor 101 when receiving a notification from the charge / discharge control device 200. Then, the charge / discharge control device 200 starts charging the in-vehicle battery 102. When the capacity of the in-vehicle battery 102 reaches the specified value, the electronic control unit of the electric vehicle 100 transmits a charge stop request by CAN communication.
  • the charge / discharge control device 200 When the charge / discharge control device 200 receives the charge stop request, the charge / discharge control device 200 stops the current output.
  • the electronic control unit of the electric vehicle 100 confirms that the current of the main circuit has decreased to a predetermined value or less, then opens the contactor 101 and notifies the charge / discharge control device 200 of the end of charging via the transmission line. .
  • the charging / discharging control device 200 stops applying the specified voltage between the transmission line 92 and the ground line 95 when receiving the notification of the end of charging. Furthermore, the charge / discharge control apparatus 200 stops applying the specified voltage between the transmission line 94 and the ground line 95 to place the lock mechanism unit 23 in an unlocked state, and ends the charging flow.
  • the discharge flow starts.
  • the charge / discharge control device 200 applies a specified voltage between the transmission line 92 and the ground line 95 to supply power to the connector 1 and the electric vehicle 100, and further transmits a discharge flow start request by CAN communication.
  • the electronic control unit of the electric vehicle 100 transmits parameters such as the maximum voltage and battery capacity of the in-vehicle battery 102 to the charge / discharge control device 200 by CAN communication.
  • the charge / discharge control device 200 When the charge / discharge control device 200 receives a parameter from the electronic control unit, it applies a specified voltage between the transmission line 94 and the ground line 95 to cause a drive current to flow through the lock mechanism unit 23 of the connector 1. Is locked. Thereafter, the charging / discharging control device 200 notifies the electronic control unit of the electric vehicle 100 that the preparation for discharging is completed via the transmission line.
  • the electronic control unit of the electric vehicle 100 When receiving the notification from the charge / discharge control device 200, the electronic control unit of the electric vehicle 100 closes the contactor 101 and starts discharging the in-vehicle battery 102. When the capacity of the in-vehicle battery 102 reaches a predetermined lower limit value, the electronic control unit of the electric vehicle 100 transmits a discharge stop request through CAN communication.
  • the charge / discharge control device 200 stops the inverter and stops the power supply to the load.
  • the electronic control unit of the electric vehicle 100 confirms that the current of the main circuit has decreased to a predetermined value or less, then opens the contactor 101 and notifies the charge / discharge control device 200 of the end of the discharge via the transmission line. .
  • the charge / discharge control device 200 receives a notification of the end of discharge, the charge / discharge control device 200 stops applying the specified voltage between the transmission line 92 and the ground line 95. Furthermore, the charge / discharge control apparatus 200 stops applying the specified voltage between the transmission line 94 and the ground line 95 to place the lock mechanism unit 23 in an unlocked state, and ends the discharge flow.
  • the connector lock detection unit 28 is connected to the lock mechanism unit 23. Assume that an electrical abnormality (lock abnormality state) is detected.
  • the voltage signal transmission / reception unit 33 transmits an abnormality notification signal that notifies the electrical abnormality of the lock mechanism unit 23 to the charge / discharge control device 200.
  • the abnormality notification signal is transmitted as a voltage signal by the voltage signal transmitting / receiving unit 33 adjusting the line voltage (signal voltage level) between the transmission line 93 and the ground line 95 to a predetermined value.
  • the charge / discharge control device 200 when the charge / discharge control device 200 receives the abnormality notification signal from the connector 1, it transmits a control signal to the voltage signal transmitting / receiving unit 33.
  • the voltage signal transmission / reception unit 33 receives the control signal, the voltage signal transmission / reception unit 33 controls the driving device 32 to drive the tripping device 27 at the time of abnormality to disconnect (open) the main contact 21.
  • the predetermined value may be different between the abnormality notification signal for notifying the electrical abnormality of the lock mechanism unit 23 and the abnormality notification signal for notifying the temperature abnormality of the connection unit 20, but in either case, the same countermeasure (main contact 21
  • the predetermined value may be the same value.
  • the voltage signal transmission / reception unit 33 transmits a voltage signal through an electric wire (transmission line 93) to which a signal is transmitted from the charge / discharge control device 200 (device) among a plurality of electric wires.
  • transmission line 93 an electric wire
  • the charge / discharge control device 200 device
  • the connector 1 of the present embodiment is configured such that the voltage signal transmission / reception unit 33 (transmission unit) transmits the abnormality notification signal (detection result of the abnormality detection unit) of the connector lock detection unit 28 as a voltage signal. ing.
  • the abnormality notification signal can be made less susceptible to noise than in the case where the current signal is transmitted.
  • the voltage signal transmission / reception unit 33 (transmission unit) supplies at least one electric wire (transmission line 94 and grounding line 95) for supplying power to the lock mechanism unit 23 (solenoid 230).
  • the (ground line 95) is used as a signal line for transmitting a voltage signal. For this reason, in the connector 1 of this embodiment, a voltage signal can be transmitted from the existing cable 9 without increasing the number of signal lines. Note that whether or not to adopt the configuration is arbitrary.
  • the connector 1 of the present embodiment has a second abnormality detection unit (abnormal temperature detection) that detects other abnormality (temperature abnormality of the connection part 20, abnormality of the main contact 21) different from the electrical abnormality of the lock mechanism part 23.
  • Unit 29 and contact state detection unit 31 The voltage signal transmission / reception unit 33 (transmission unit) transmits the detection result of the second abnormality detection unit to the detection result of the connector lock detection unit 28 when the second abnormality detection unit detects an abnormality in the charge flow or the discharge flow. It is configured to be superimposed on the voltage signal for transmission. Therefore, the connector 1 of this embodiment can transmit a plurality of types of abnormality detection results as voltage signals without increasing the number of signal lines from the existing cable 9. Note that whether or not to adopt the configuration is arbitrary.
  • the voltage signal transmission / reception unit 33 indicates a correspondence relationship between the first signal voltage level corresponding to the detection result of the connector lock detection unit 28 and the second signal voltage level corresponding to the detection result of the second abnormality detection unit. It is preferable to store a data table. And it is preferable that the voltage signal transmission / reception part 33 reads a 1st signal voltage level and a 2nd signal voltage level from a data table, and produces
  • the electrical connection connector 1 of the present embodiment has the following first feature.
  • the electrical connection connector 1 of the present embodiment includes a connection unit 20, a lock mechanism unit 23, a cable 9, a voltage signal transmission / reception unit 33 (transmission unit), and a connector body 2 (housing).
  • the connection unit 20 is detachably connected to an inlet 103 (receiving side connector) of an electric vehicle 100 (device) on which an in-vehicle battery 102 (storage battery) is mounted.
  • the lock mechanism unit 23 locks the connection unit 20 and the inlet 103.
  • the cable 9 is composed of a plurality of electric wires including power supply lines 90 and 91 that are electrically connected to the inlet 103 via the connection portion 20.
  • the cable 9 is connected to a charge / discharge control device 200 (device) that performs at least one of power feeding to the electric vehicle 100 and power reception from the electric vehicle 100.
  • the voltage signal transmission / reception unit 33 transmits information to the charge / discharge control device 200 via an electric wire.
  • the connector main body 2 is provided at the tip of the cable 9 and houses the connecting portion 20, the lock mechanism portion 23, and the voltage signal transmitting / receiving portion 33.
  • the lock mechanism unit 23 includes a solenoid 230, a drive circuit, and a connector lock detection unit 28 (abnormality detection unit).
  • the drive circuit drives the solenoid 230 with electric power supplied from the charge / discharge control device 200 via electric wires (the transmission line 94 and the ground line 95).
  • the connector lock detector 28 detects an abnormality in the drive circuit.
  • the voltage signal transmission / reception part 33 is comprised so that the detection result of the connector lock
  • the electrical connection connector 1 includes a connection unit 20, a lock mechanism unit 23, a connector lock detection unit 28 (abnormality detection unit), a cable 9, and a voltage signal transmission / reception unit 33 (transmission unit). ) And a connector main body 2 (housing).
  • the connection unit 20 is detachably connected to an inlet 103 (receiving side connector) of an electric vehicle 100 (device) on which an in-vehicle battery 102 (storage battery) is mounted.
  • the lock mechanism unit 23 locks the connection unit 20 and the inlet 103.
  • the connector lock detection unit 28 detects an electrical abnormality of the lock mechanism unit 23.
  • the cable 9 is composed of a plurality of electric wires including power supply lines 90 and 91 that are electrically connected to the inlet 103 via the connection portion 20. Further, the cable 9 is connected to a charge / discharge control device 200 (device) that performs at least one of power feeding to the electric vehicle 100 and power reception from the electric vehicle 100.
  • the voltage signal transmission / reception unit 33 transmits information to the charge / discharge control device 200 via at least one first electric wire (transmission line 93) of the plurality of electric wires.
  • the connector main body 2 is provided at the tip of the cable 9 and houses the connecting portion 20, the lock mechanism portion 23, and the voltage signal transmitting / receiving portion 33. And the voltage signal transmission / reception part 33 is comprised so that the detection result of the connector lock
  • the electrical connection connector 1 of the present embodiment may have the following second feature.
  • the voltage signal transmitting / receiving unit 33 includes at least one of the electric wires (the transmission line 94 and the grounding wire 95) for supplying power to the drive circuit of the locking mechanism unit 23 (the grounding wire 95) among the plurality of electric wires. Is used for a signal line for transmitting a voltage signal.
  • the lock mechanism unit 23 includes the solenoid 230.
  • the solenoid 230 is driven by electric power supplied from the charge / discharge control device 200 via at least one second electric wire (transmission line 94) of the plurality of electric wires.
  • the voltage signal transmission / reception unit 33 transmits a voltage signal through at least one of the electric wires (the transmission line 94 and the grounding wire 95) for supplying power to the solenoid 230 among the plurality of electric wires. Used for the signal line.
  • the electrical connection connector 1 of the present embodiment may have the following third feature in addition to the first or second feature.
  • the electrical connection connector 1 of the present embodiment is a second abnormality detection unit that detects other abnormalities (temperature abnormality of the connection unit 20, abnormality of the main contact 21) other than the abnormality of the lock mechanism unit 23. (Abnormal temperature detection unit 29, contact state detection unit 31).
  • the voltage signal transmission / reception unit 33 is configured to transmit the detection result of the second abnormality detection unit superimposed on the voltage signal for transmitting the detection result of the connector lock detection unit 28.
  • the electrical connection connector 1 of the present embodiment is a second abnormality detection unit that detects other abnormality (temperature abnormality of the connection part 20, abnormality of the main contact 21) different from the electrical abnormality of the lock mechanism part 23. (Abnormal temperature detection unit 29, contact state detection unit 31). And the voltage signal transmission / reception part 33 is comprised so that the detection result of a 2nd abnormality detection part may be superimposed and transmitted on a voltage signal.
  • the electrical connection connector 1 of the present embodiment may have the following fourth feature.
  • the voltage signal transmission / reception unit 33 stores a data table.
  • the data table shows the correspondence between the signal voltage level corresponding to the detection result of the connector lock detection unit 28 and the signal voltage level corresponding to the detection result of the second abnormality detection unit. Then, the voltage signal transmission / reception unit 33 reads the signal voltage level corresponding to the detection results of the connector lock detection unit 28 and the second abnormality detection unit from the data table, and generates a voltage signal.
  • the voltage signal transmission / reception unit 33 stores a data table.
  • the data table shows a correspondence relationship between the first signal voltage level corresponding to the detection result of the connector lock detection unit 28 and the second signal voltage level corresponding to the detection result of the second abnormality detection unit.
  • the voltage signal transmission / reception unit 33 reads the first signal voltage level and the second signal voltage level from the data table to generate a voltage signal.
  • the electrical connection connector 1 of the present embodiment may have the following fifth feature in addition to any one of the first to fourth features.
  • the voltage signal transmission / reception unit 33 uses an electric wire (transmission line 93) to which a signal is transmitted from the charge / discharge control device 200 among a plurality of electric wires as a signal line for transmitting a voltage signal. Configured.
  • the connector lock detection unit 28 abnormality detection unit
  • the signal for transmitting the occurrence of the abnormality is a voltage signal transmission / reception unit.
  • 33 transmitting unit
  • the present invention has an effect that the signal for transmitting the occurrence of an abnormality can be made less susceptible to noise as compared with the case where it is transmitted as a current signal.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Secondary Cells (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

L'invention concerne un connecteur pour une connexion électrique (1), qui comprend une partie de connexion (20), une unité mécanisme de verrouillage (23), une unité de détection d'anomalie (28), un câble (9) et une unité de transmission (33). La partie de connexion (20) est connectée de manière amovible à un connecteur côté réception (103) d'un équipement (100) équipé d'un accumulateur (102). L'unité mécanisme de verrouillage (23) verrouille le connecteur côté réception (103) de la partie de connexion (20). L'unité de détection d'anomalie (28) détecte des anomalies électriques dans l'unité mécanisme de verrouillage (23). Le câble (9) comprend une pluralité de fils comprenant des fils d'alimentation (90, 91) connectés électriquement au connecteur côté réception (103) par l'intermédiaire de la partie de connexion (20), et est connecté à un dispositif (200) qui alimente l'équipement (100) en énergie et/ou reçoit de l'énergie en provenance de cet équipement (100). L'unité de transmission (33) transmet des informations au dispositif (200) par l'intermédiaire d'au moins un premier fil (93) parmi lesdits fils. De plus, l'unité de transmission (33) est conçue de manière à transmettre les résultats de détection de l'unité de détection d'anomalie (28) par l'intermédiaire d'un signal de tension.
PCT/JP2014/000852 2013-03-29 2014-02-19 Connecteur pour connexion électrique Ceased WO2014155947A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013071404A JP6135010B2 (ja) 2013-03-29 2013-03-29 電気接続用コネクタ
JP2013-071404 2013-03-29

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WO2014155947A1 true WO2014155947A1 (fr) 2014-10-02

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JP (1) JP6135010B2 (fr)
WO (1) WO2014155947A1 (fr)

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EP3025902A1 (fr) * 2014-11-18 2016-06-01 Schneider Electric USA, Inc. Poignée evse avec système d'arrêt thermique automatique par ntc à la terre
US9573478B2 (en) 2014-11-14 2017-02-21 Schneider Electric USA, Inc. EVSE doubler add-on unit
US9804034B2 (en) 2014-11-14 2017-10-31 Schneider Electric USA, Inc. EVSE with cordset handle temperature measurement
JP2018153033A (ja) * 2017-03-14 2018-09-27 株式会社椿本チエイン 充放電装置
FR3114056A1 (fr) * 2020-09-14 2022-03-18 Renault Véhicule électrique et dispositif de commutation pour un réseau électrique domestique
WO2022175128A1 (fr) * 2021-02-18 2022-08-25 Phoenix Contact E-Mobility Gmbh Prise de charge à connexion de bus de données interne au véhicule

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JP6471653B2 (ja) * 2015-08-31 2019-02-20 住友電気工業株式会社 異常検知回路及び充電装置
CN109983647A (zh) * 2016-11-28 2019-07-05 三菱电机株式会社 充电系统
JP7404884B2 (ja) * 2020-01-21 2023-12-26 株式会社椿本チエイン 充放電装置、係止状態検出方法及びコンピュータプログラム

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JP2002352917A (ja) * 2001-05-24 2002-12-06 Hitachi Information Technology Co Ltd 電源コネクタおよび電源コネクタの温度検出システム
JP2011234444A (ja) * 2010-04-26 2011-11-17 Tatsuno Corp 充電カプラー
JP2012130127A (ja) * 2010-12-14 2012-07-05 Takaoka Electric Mfg Co Ltd 電気移動体用充電装置
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9573478B2 (en) 2014-11-14 2017-02-21 Schneider Electric USA, Inc. EVSE doubler add-on unit
US9804034B2 (en) 2014-11-14 2017-10-31 Schneider Electric USA, Inc. EVSE with cordset handle temperature measurement
EP3025902A1 (fr) * 2014-11-18 2016-06-01 Schneider Electric USA, Inc. Poignée evse avec système d'arrêt thermique automatique par ntc à la terre
US9707850B2 (en) 2014-11-18 2017-07-18 Schneider Electric USA, Inc. EVSE handle with automatic thermal shut down by NTC to ground
JP2018153033A (ja) * 2017-03-14 2018-09-27 株式会社椿本チエイン 充放電装置
FR3114056A1 (fr) * 2020-09-14 2022-03-18 Renault Véhicule électrique et dispositif de commutation pour un réseau électrique domestique
WO2022175128A1 (fr) * 2021-02-18 2022-08-25 Phoenix Contact E-Mobility Gmbh Prise de charge à connexion de bus de données interne au véhicule

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