WO2013084488A1 - 車載用充電器 - Google Patents

車載用充電器 Download PDF

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Publication number
WO2013084488A1
WO2013084488A1 PCT/JP2012/007803 JP2012007803W WO2013084488A1 WO 2013084488 A1 WO2013084488 A1 WO 2013084488A1 JP 2012007803 W JP2012007803 W JP 2012007803W WO 2013084488 A1 WO2013084488 A1 WO 2013084488A1
Authority
WO
WIPO (PCT)
Prior art keywords
vehicle
primary coil
coil
unit
secondary coil
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/JP2012/007803
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English (en)
French (fr)
Japanese (ja)
Inventor
裕美 本郷
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
Priority to US14/363,173 priority Critical patent/US9438069B2/en
Priority to EP12854695.9A priority patent/EP2790288A4/en
Priority to CN201280060557.3A priority patent/CN103988386A/zh
Publication of WO2013084488A1 publication Critical patent/WO2013084488A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
    • H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries
    • H02J7/70—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/731—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries characterised by the mechanical construction specially adapted for holding portable devices containing batteries
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Details of circuit arrangements for charging or discharging batteries or supplying loads from batteries
    • H02J2207/10—Control circuit supply, e.g. means for supplying power to the control circuit
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or discharging batteries or for supplying loads from batteries

Definitions

  • the present invention relates to an in-vehicle charger that performs contactless charging.
  • the contactless charger cannot align the primary coil and the secondary coil. That is, the contactless charger cannot align the primary coil and the secondary coil unless the vehicle is in a state in which keyless entry control is not performed, for example, in a vehicle driving state. Therefore, the contactless charger cannot prepare for the start of charging unless the vehicle does not perform the keyless entry control, for example, the vehicle driving state. Thus, the restriction of the operation of the contactless charger according to the state of the vehicle is not desirable in terms of usability.
  • An object of the present invention is to provide a vehicle-mounted charger with improved usability.
  • An in-vehicle charger is an in-vehicle charger that performs contactless charging, and includes a control unit that controls energization of a primary coil, and positions of the primary coil and a secondary coil of a device to be charged.
  • a position detection unit that detects a relationship; and a notification unit that performs notification to a user, and the control unit is configured such that the primary coil and the secondary coil detected by the position detection unit are not energized to the primary coil.
  • the positional relationship is acquired, and control is performed so that the notification unit notifies the positional relationship.
  • a vehicle-mounted charger includes a control unit that controls energization of a primary coil, a position detection unit that detects a positional relationship between the primary coil and a secondary coil of a device to be charged, and a notification to a user.
  • a control unit that acquires a positional relationship between the primary coil and the secondary coil detected by the position detection unit in a state in which the primary coil is not energized, and the notification unit displays the positional relationship. Since the control is performed so that the notification is made, the on-vehicle charger is extremely easy to use.
  • the in-vehicle charger according to the present invention can align the primary coil and the secondary coil even if the keyless entry control is performed immediately after the user gets into the vehicle. Therefore, immediately after the user gets into the vehicle, it is possible to prepare for the start of charging of the device to be charged placed at a chargeable position. After that, if there is no influence on vehicle control and charging is possible, the in-vehicle charger can start charging immediately. In this way, the on-vehicle charger is extremely easy to use.
  • the perspective view of the vehicle-mounted charger of one embodiment The perspective view of the vehicle-mounted charger of one embodiment
  • Side view of in-vehicle charger of one embodiment Top view of the position detector included in the in-vehicle charger of one embodiment
  • the figure which shows the pulse signal and echo signal which are input into the position detection part with which the vehicle-mounted charger of one embodiment is equipped
  • the block diagram which shows the internal structure of the vehicle-mounted charger of one embodiment, and the relationship with the mobile telephone to be charged The flowchart which shows operation of the in-vehicle charger of one embodiment
  • the flowchart which shows operation of the in-vehicle charger of one embodiment The figure explaining the flag used with the vehicle-mounted charger of one embodiment
  • FIG. 1 is a view showing a state in which a vehicle-mounted charger according to an embodiment of the present invention is mounted on a vehicle.
  • a steering wheel 3 is disposed in front of the vehicle 1 in the vehicle 2, and an in-vehicle electronic device 4 is disposed on the left side of the handle 3.
  • an in-vehicle charger 5 that is capable of contactless charging with respect to an electronic device such as a mobile phone is disposed below the in-vehicle electronic device 4 and between the driver seat and the passenger seat.
  • FIG. 2 is a perspective view of the in-vehicle charger 5.
  • 2 shows a state in which a mobile phone (an example of a device to be charged) 6 is placed on the installation surface 7 of the in-vehicle charger 5.
  • the in-vehicle charger 5 includes an LED 8 serving as a notification unit 19 (see FIG. 7) for notifying the user that the mobile phone 6 is in a chargeable state, and a speaker 11 (see FIG. 7) installed inside the in-vehicle charger 5.
  • 3 and FIG. 7) is provided with an opening 9 for transmitting sound from the outside.
  • FIG. 3 is a perspective view of the in-vehicle charger 5 in which a part of the internal configuration is seen through.
  • FIG. 4 is a side view of the in-vehicle charger 5 in which a part of the internal configuration is seen through.
  • a primary coil 12 that transmits power to a secondary coil 10 for power reception built in the mobile phone 6, a speaker 11, Is provided.
  • the primary coil 12 and the secondary coil 10 of the mobile phone 6 are made to face each other, so that the magnetic flux from the primary coil 12 reaches the secondary coil 10 of the mobile phone 6 to carry the mobile phone.
  • a battery (not shown) held by the telephone 6 is charged.
  • the installation surface 7 is preferably formed of synthetic resin so that magnetic flux from the primary coil 12 toward the secondary coil 10 of the mobile phone 6 can pass.
  • a circuit for driving the primary coil 12, a mounting structure, and the like are omitted. Further, in the present embodiment, the primary coil 12 is fixed, and it is assumed that the primary coil 12 and the secondary coil 10 are aligned by the user moving the mobile phone 6 on the installation surface 7. To do.
  • FIG. 5 is a top view of the position detector 13 provided in the in-vehicle charger 5.
  • the position detection unit 13 includes, for example, a plurality of position detection coils 14 that detect positions in the X-axis direction and a plurality of position detection coils 15 that detect positions in the Y-axis direction.
  • Each position detection coil has a loop shape elongated in the X-axis direction or the Y-axis direction.
  • the plurality of position detection coils 14 are arranged at predetermined intervals along the X-axis direction.
  • the plurality of position detection coils 15 are arranged at predetermined intervals along the Y-axis direction.
  • the position detection coil to which the pulse signal 16 is input excites the secondary coil 10 of the mobile phone 6.
  • the echo signal 17 generated by the energy of the current flowing in the excited secondary coil 10 acts on the position detection coil that has excited the secondary coil 10 described above.
  • the position detection unit 13 can determine whether the secondary coil 10 is approaching any one of the plurality of position detection coils 14 and any one of the plurality of position detection coils 15.
  • FIG. 7 is a block diagram showing the internal configuration of the in-vehicle charger 5 and the relationship with the mobile phone 6 to be charged.
  • the in-vehicle charger 5 includes a control unit 18, a position detection unit 13, a notification unit 19, a communication unit 20, and a primary coil 12.
  • the control unit 18 controls energization to the primary coil 12.
  • the position detector 13 detects the positional relationship between the primary coil 12 and the secondary coil 10 of the mobile phone 6.
  • the notification unit 19 notifies the user.
  • reporting part 19 has LED8 shown in FIG. 2, and the speaker 11 shown in FIG.
  • the communication part 20 communicates with the vehicle-mounted electronic device 4 provided in the vehicle 1 shown in FIG.
  • control unit 18 acquires the positional relationship between the primary coil 12 and the secondary coil 10 detected by the position detection unit 13 and controls the notification unit 19 to notify the positional relationship.
  • the communication unit 20 communicates with the in-vehicle electronic device 4 and acquires vehicle state information indicating whether or not the primary coil 12 can be energized. This is because energization of the primary coil 12 increases the reliability of vehicle control such as keyless entry control.
  • FIGS. 8, 9, and 10 a procedure until the mobile phone 6 is placed on the installation surface 7 of the in-vehicle charger 5 and charging of the mobile phone 6 is started will be described.
  • 8 and 9 are flowcharts showing the operation of the in-vehicle charger 5.
  • FIG. 10 is a diagram for explaining a flag used in the in-vehicle charger 5.
  • the control unit 18 controls the position detection unit 13 so as to detect the positional relationship between the primary coil 12 and the secondary coil 10 of the mobile phone 6 (step S1). At this time, each flag shown in FIG. 10 is set to “charging end flag: 0, secondary coil detection flag: 0, charging start flag: 0”. The energization of the primary coil 12 is in an off state, and the notification unit 19 does not notify anything.
  • a first predetermined sound for example, a sound such as “Pololone
  • step S ⁇ b> 8 the control unit 18 acquires the positional relationship between the primary coil 12 and the secondary coil 10 from the position detection unit 13, and the secondary coil 10 is close to the primary coil 12 or separated from the primary coil 12. Judgment is made.
  • step S8: Yes the process proceeds to step S9, and when it is determined that the secondary coil 10 is separated from the primary coil 12 (step S8: No) goes to step S11.
  • step S ⁇ b> 9 the control unit 18 inquires of the in-vehicle electronic device 4 whether the primary coil 12 can be energized via the communication unit 20, and determines that energization is possible based on the vehicle state information obtained by the communication unit 20. If so, the process proceeds to step S10. If it is determined that energization is not possible, the process returns to step S8. In step S ⁇ b> 10, the control unit 18 starts energizing the primary coil 12.
  • step S ⁇ b> 11 the control unit 18 outputs a second predetermined sound (for example, a “beep” sound) from the speaker 11 in order to notify the user that the secondary coil 10 is separated from the primary coil 12. Sound. Furthermore, the control part 18 blinks LED8 with a short cycle (step S12). The user can be guided to move the mobile phone 6 to a rechargeable position on the installation surface 7 by the sound output in step S11 and the light blinking in step S12.
  • a second predetermined sound for example, a “beep” sound
  • control unit 18 confirms that the primary coil 12 is turned off (step S13), sets the charge start flag to 0 (step S14), and returns to step S1. Thereby, a user operation can be induced so that the user moves the mobile phone 6 to a chargeable position on the installation surface 7, that is, the secondary coil 10 and the primary coil 12 are sufficiently close to each other. .
  • the control unit 18 determines whether or not communication is possible between the secondary coil 10 and the primary coil 12 (step S15). If communication is possible (step S15: Yes), the process proceeds to step S21 and communication is not possible. If there is (step S15: No), the process proceeds to step S16. In addition, the procedure after step S16 is a process which requests
  • step S19 the control part 18 sets a charge start flag to 0, and returns to step S1.
  • step S ⁇ b> 17 the control unit 18 continuously plays the third predetermined sound (for example, a sound such as “Peepy”). Furthermore, the control part 18 blinks LED8 with a long cycle (step S18), and returns to step S1.
  • a fourth predetermined sound for example, a sound such as “ping-pong”
  • step S25 the control unit 18 determines whether a charging end notification has been received from the mobile phone 6, and if there is a charging end notification (step S25: Yes), proceeds to step S26, and if there is no charging end notification, returns to step S1. .
  • step S26 the control unit 18 sets the charge end flag to 1.
  • the controller 18 turns off the primary coil 12 (step S27), turns off the LED 8 (step S28), and returns to step S1.
  • the in-vehicle charger 5 has a positional relationship between the control unit 18 that controls energization of the primary coil 12, the primary coil 12, and the secondary coil 10 of the mobile phone 6.
  • the primary coil 12 and the secondary coil 10 can be aligned. Therefore, immediately after the user gets into the vehicle 1, it is possible to prepare for the start of charging of the mobile phone 6 placed at a chargeable position. Thereafter, if there is no influence on the vehicle control and charging is possible, the in-vehicle charger 5 can immediately start charging. In this way, the on-vehicle charger 5 is extremely easy to use.
  • a vehicle-mounted charger includes a control unit that controls energization of a primary coil, a position detection unit that detects a positional relationship between the primary coil and a secondary coil of a device to be charged, and a notification to a user.
  • a control unit that acquires a positional relationship between the primary coil and the secondary coil detected by the position detection unit in a state in which the primary coil is not energized, and the notification unit displays the positional relationship. Since the control is performed so that the notification is made, the on-vehicle charger is extremely easy to use.
  • the primary coil and the secondary coil can be aligned. Therefore, immediately after the user gets into the vehicle, it is possible to prepare for the start of charging of the device to be charged placed at a chargeable position. After that, if there is no influence on vehicle control and charging is possible, the in-vehicle charger can start charging immediately. In this way, the on-vehicle charger is extremely easy to use. Therefore, the in-vehicle charger is expected to be used as an in-vehicle electronic device.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Telephone Function (AREA)
  • Secondary Cells (AREA)
PCT/JP2012/007803 2011-12-07 2012-12-05 車載用充電器 Ceased WO2013084488A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US14/363,173 US9438069B2 (en) 2011-12-07 2012-12-05 Vehicle-mounted charger
EP12854695.9A EP2790288A4 (en) 2011-12-07 2012-12-05 VEHICLE-ASSEMBLED LOADING DEVICE
CN201280060557.3A CN103988386A (zh) 2011-12-07 2012-12-05 车载充电器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011267954A JP6002931B2 (ja) 2011-12-07 2011-12-07 車載用充電器
JP2011-267954 2011-12-07

Publications (1)

Publication Number Publication Date
WO2013084488A1 true WO2013084488A1 (ja) 2013-06-13

Family

ID=48573878

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2012/007803 Ceased WO2013084488A1 (ja) 2011-12-07 2012-12-05 車載用充電器

Country Status (5)

Country Link
US (1) US9438069B2 (https=)
EP (1) EP2790288A4 (https=)
JP (1) JP6002931B2 (https=)
CN (1) CN103988386A (https=)
WO (1) WO2013084488A1 (https=)

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See also references of EP2790288A4

Cited By (3)

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Publication number Priority date Publication date Assignee Title
GB2518128A (en) * 2013-06-20 2015-03-18 Nokia Technologies Oy Charging rechargeable apparatus
US10559979B2 (en) 2013-06-20 2020-02-11 Nokia Technologies Oy Charging rechargeable apparatus
GB2518128B (en) * 2013-06-20 2021-02-10 Nokia Technologies Oy Charging rechargeable apparatus

Also Published As

Publication number Publication date
US9438069B2 (en) 2016-09-06
EP2790288A1 (en) 2014-10-15
CN103988386A (zh) 2014-08-13
EP2790288A4 (en) 2014-10-29
JP2013121245A (ja) 2013-06-17
JP6002931B2 (ja) 2016-10-05
US20140347009A1 (en) 2014-11-27

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