WO2016185693A1 - 非接触給電機器および非接触受電機器、ならびに、これらを備えた非接触電力伝送システム - Google Patents
非接触給電機器および非接触受電機器、ならびに、これらを備えた非接触電力伝送システム Download PDFInfo
- Publication number
- WO2016185693A1 WO2016185693A1 PCT/JP2016/002324 JP2016002324W WO2016185693A1 WO 2016185693 A1 WO2016185693 A1 WO 2016185693A1 JP 2016002324 W JP2016002324 W JP 2016002324W WO 2016185693 A1 WO2016185693 A1 WO 2016185693A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- power
- contact power
- power receiving
- receiving device
- contact
- Prior art date
Links
- 238000004891 communication Methods 0.000 claims abstract description 396
- 230000004044 response Effects 0.000 claims abstract description 201
- 230000005540 biological transmission Effects 0.000 claims abstract description 73
- 238000001514 detection method Methods 0.000 claims abstract description 39
- 238000003860 storage Methods 0.000 claims description 28
- 238000005259 measurement Methods 0.000 claims description 16
- 239000011159 matrix material Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 64
- 238000000034 method Methods 0.000 description 55
- 238000012545 processing Methods 0.000 description 36
- 230000008569 process Effects 0.000 description 28
- 230000007704 transition Effects 0.000 description 11
- 238000010438 heat treatment Methods 0.000 description 9
- 230000006698 induction Effects 0.000 description 7
- 238000012840 feeding operation Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 238000010411 cooking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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
- H02J50/12—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling of the resonant type
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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
- H02J50/40—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices
- H02J50/402—Circuit arrangements or systems for wireless supply or distribution of electric power using two or more transmitting or receiving devices the two or more transmitting or the two or more receiving devices being integrated in the same unit, e.g. power mats with several coils or antennas with several sub-antennas
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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
- H02J50/80—Circuit arrangements or systems for wireless supply or distribution of electric power involving the exchange of data, concerning supply or distribution of electric power, between transmitting devices and receiving devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—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—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/20—Near-field transmission systems, e.g. inductive or capacitive transmission systems characterised by the transmission technique; characterised by the transmission medium
- H04B5/24—Inductive coupling
- H04B5/26—Inductive coupling using coils
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/72—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for local intradevice communication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
- H04B5/79—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes for data transfer in combination with power transfer
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/10—Induction heating apparatus, other than furnaces, for specific applications
- H05B6/12—Cooking devices
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B6/00—Heating by electric, magnetic or electromagnetic fields
- H05B6/02—Induction heating
- H05B6/36—Coil arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00034—Charger exchanging data with an electronic device, i.e. telephone, whose internal battery is under charge
Definitions
- This disclosure relates to a contactless power transmission system.
- FIG. 31 is a block configuration diagram of a conventional non-contact power receiving device and a non-contact power feeding device described in Patent Document 1.
- the device main body 420 corresponds to a non-contact power supply device
- the remote control device 401 corresponds to a non-contact power receiving device.
- the remote control device 401 includes a power receiving resonance circuit 405a and a communication resonance circuit 405b.
- the resonance circuit 405a is used to receive power transmission from the device main body 420 wirelessly based on a change in magnetic flux generated from the device main body 420 in order to input instructions to the device main body 420 and output information related to the device main body 420. It is done.
- the resonance circuit 405b is used for two-way communication of communication signals with the device main body 420 wirelessly.
- the device body 420 includes a power supply resonance circuit 422 corresponding to the resonance circuit 405a, a communication resonance circuit 421 and a communication circuit 423 corresponding to the resonance circuit 405b.
- FIG. 32 and 33 are diagrams showing specific examples of the non-contact power feeding device according to the conventional technology.
- the example shown in FIG. 32 is an induction heating apparatus in which two heating coils 426 are arranged at an interval.
- the example shown in FIG. 33 is an induction heating apparatus in which a number of relatively small heating coils 426 are arranged close to each other in a matrix.
- FIG. 34 is a flowchart showing the control for detecting the remote control device 401 by the non-contact power feeding device in the conventional technique.
- FIG. 35 is a block diagram of a conventional non-contact power receiving device and non-contact power feeding device described in Non-Patent Document 1.
- Non-Patent Document 1 prescribes specifications of a non-contact power transmission system mainly for mobile devices such as smartphones.
- the non-contact power transmission system defined in Non-Patent Document 1 includes a base station 501 and a mobile device 502.
- Power is transmitted from the power conversion unit 506 of the base station 501 to the power pickup unit 507 of the mobile device 502 in a contactless manner.
- the load 509 of the mobile device 502 consumes the transmitted power.
- the base station 501 transmits the amount of transmitted power according to the amount of requested power transmitted from the power receiver 505 of the mobile device 502 to the power transmitter 504 of the base station 501 via the communication control unit 508. To control.
- FIG. 36 is a state transition diagram of the conventional wireless charging system described in Non-Patent Document 1.
- the wireless charging system detects whether or not the mobile device 502 is placed on the base station 501.
- the base station 501 detects that the mobile device 502 is mounted by detecting a change in impedance. When the placement of the mobile device 502 is detected, the base station 501 transitions to the ping state 602.
- the base station 501 transmits minute power for operating the communication control unit 508c from the power conversion unit 506 to the power pickup unit 507 of the mobile device 502.
- the base station 501 if the response from the mobile device 502 is not transmitted to the base station 501 via the communication control unit 508 within a predetermined time, the base station 501 returns to the selected state 601. When the response is transmitted, the base station 501 continues the transmission of the minute power and transits to the identification state / setting state 603.
- the mobile device 502 transmits the identification information and the magnitude of the required power to the base station 501 via the communication control unit 508.
- the base station 501 determines that it can cope with the magnitude of the required power from the mobile device 502, the base station 501 completes the setting and transitions to the power supply state 604.
- power is transmitted from the power transmitter 504 of the base station 501 to the power receiver 505 of the mobile device 502.
- the magnitude of the transmitted power is controlled according to the magnitude of the required power transmitted from the power receiver 505 of the mobile device 502 to the power transmitter 504 of the base station 501.
- the transmitted power is consumed by the load 509 of the mobile device 502.
- FIG. 37 shows the format of a communication packet used in the wireless charging system described in Non-Patent Document 1.
- the format of the communication packet includes a preamble 701, a header 702, a message 703, and a checksum 704.
- the preamble 701 is data of 11 to 25 bytes for detecting a communication packet.
- the header 702 is 1-byte data to which a code corresponding to the message type and size is assigned.
- the message 703 is 1 to 27 bytes of data corresponding to the code of the header 702.
- the checksum 704 is 1-byte data for detecting a packet error.
- FIG. 38 is a diagram showing the relationship between the message size specified in Non-Patent Document 1 and the header code.
- FIG. 39 is a diagram showing message types defined in Non-Patent Document 1.
- Non-Patent Document 1 stipulates that a message size of 1 to 27 bytes obtained by substituting the code in the header 702 into the mathematical formula shown in FIG. 38 is used. Non-Patent Document 1 also defines the packet type and message size of a message corresponding to each code, as shown in FIG. However, detailed description is omitted here.
- Patent Document 1 When the prior art described in Patent Document 1 is used to select a cooking container such as a pan or a remote control device including a weak electric circuit such as a communication circuit or an information input / output circuit, according to the selection, It is configured to switch between sending only large power or sending minute power and communication data from a power supply coil arranged in the device body. For this reason, it is possible to make the coil for electric power feeding common with the coil for communication.
- Non-Patent Document 1 since the transmitted power is limited to 5 W or less, it is easy to communicate by superimposing data on the transmitted power. For this reason, the power feeding coil and the communication coil are shared on both the power feeding side and the power receiving side, so that power feeding and data communication can always be performed simultaneously.
- the non-contact power supply apparatus has a plurality of power supply resonance circuits, the same number of communication resonance circuits and communication circuits as the power supply coils are required. For this reason, a structure may become complicated and manufacturing cost may become high.
- the present disclosure solves the conventional problems, and provides a contactless power transmission system on a practical scale capable of accurate communication and safe power transmission without being affected by noise. With the goal.
- the contactless power transmission system of the present disclosure includes the following contactless power supply device and contactless power receiving device.
- the contactless power supply device includes a plurality of power supply units that transmit power and a communication unit on a power supply side that transmits and receives communication packets in order to transmit power to the contactless power receiving device in a contactless manner.
- a power supply side control unit that controls the power supply unit and the power supply side communication unit.
- the communication unit on the power supply side transmits a response request message for detecting the placement of the non-contact power receiving device, and then receives the corresponding response message, thereby completing the placement detection of the non-contact power receiving device.
- the communication unit on the power supply side transmits a response request message for specifying the mounting position of the non-contact power receiving device, and then receives the corresponding response message so that the control unit on the power supply side and the power supply device Specify the combination with the part.
- the control unit on the power supply side controls the power supply unit according to the corresponding response message received by the communication unit on the power supply side.
- the contactless power receiving device of one aspect of the present disclosure includes a power receiving unit that receives power and a communication unit on a power receiving side that transmits and receives communication packets in order to receive power transmitted from the contactless power feeding device in a contactless manner. And a power measuring unit that measures the power being received by the power receiving unit.
- the communication unit on the power receiving side When the communication unit on the power receiving side receives the response request message for detecting the placement of the non-contact power receiving device, the communication unit transmits a corresponding response message.
- the communication unit on the power receiving side When the communication unit on the power receiving side receives a response request message for specifying the mounting position of the non-contact power receiving device, it transmits a corresponding response message.
- the communication unit on the power receiving side When the communication unit on the power receiving side receives a response request message for controlling the transmitted power, the communication unit transmits the magnitude of power measured by the power measurement unit as a response message.
- FIG. 1 is a block configuration diagram of a contactless power feeding device and a contactless power receiving device according to an embodiment of the present disclosure.
- FIG. 2 is a diagram illustrating a frame format of a communication packet for communication between the non-contact power feeding device and the non-contact power receiving device.
- FIG. 3 is a state transition diagram of the contactless power feeding device and the contactless power receiving device.
- FIG. 4 is a plan view schematically showing a state in which two non-contact power receiving devices are mounted on the non-contact power feeding device.
- FIG. 5A is a plan view schematically showing a state in which the non-contact power receiving device is placed at the initial registration position.
- FIG. 5B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the initial registration.
- FIG. 6A is a plan view schematically showing a state in which two non-contact power receiving devices are placed on the non-contact power feeding device.
- FIG. 6B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the placement detection of the non-contact power receiving device.
- FIG. 7A is a plan view schematically showing one state of the scanning process in the first embodiment.
- FIG. 7B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 7A.
- FIG. 8A is a plan view schematically showing one situation of the scan processing.
- FIG. 8B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 8A.
- FIG. 9A is a plan view schematically showing one situation of the scan processing.
- FIG. 9B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 9A.
- FIG. 10A is a plan view schematically showing one situation of the scan processing.
- FIG. 10B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 10A.
- FIG. 10A is a plan view schematically showing one situation of the scan processing.
- FIG. 10B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 10A.
- FIG. 11A is a plan view schematically showing one state of the scan processing.
- FIG. 11B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 11A.
- FIG. 12A is a plan view schematically showing one situation of the scan processing.
- FIG. 12B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 12A.
- FIG. 13A is a plan view schematically showing one situation of the scan processing.
- FIG. 13B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 13A.
- FIG. 14A is a plan view schematically showing a situation of the scanning process.
- FIG. 14B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 14A.
- FIG. 15A is a plan view schematically showing one situation of the scan processing.
- FIG. 15B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 15A.
- FIG. 16A is a plan view schematically showing one state of the scan processing.
- FIG. 16B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 16A.
- FIG. 16A is a plan view schematically showing one state of the scan processing.
- FIG. 16B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 16A.
- FIG. 17A is a plan view schematically illustrating a state in which the non-contact power receiving device receives power.
- FIG. 17B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 17A.
- FIG. 18A is a plan view schematically showing a state in which the non-contact power receiving device receiving power is removed from the non-contact power feeding device.
- FIG. 18B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 18A.
- FIG. 19A is a plan view schematically illustrating a state where the non-contact power receiving device has moved to a position where it cannot receive power.
- FIG. 19A is a plan view schematically illustrating a state where the non-contact power receiving device has moved to a position where it cannot receive power.
- FIG. 19B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the placement detection illustrated in FIG. 19A.
- FIG. 20A is a plan view schematically showing a state in which the non-contact power receiving device is placed at another position on the non-contact power feeding device.
- FIG. 20B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 20A.
- FIG. 21A is a plan view schematically illustrating one state of a scanning process for a non-contact power receiving apparatus after movement.
- FIG. 21B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the scan process after movement illustrated in FIG. 21A.
- FIG. 22A is a plan view schematically illustrating one state of a scanning process for a non-contact power receiving apparatus after movement.
- 22B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the scan process after movement illustrated in FIG. 22A.
- FIG. 23A is a plan view schematically illustrating one state of a scanning process for a non-contact power receiving apparatus after movement.
- FIG. 23B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the scan process after movement illustrated in FIG. 23A.
- FIG. 24A is a plan view schematically illustrating a state in which the non-contact power receiving device after movement receives power.
- FIG. 24A is a plan view schematically illustrating a state in which the non-contact power receiving device after movement receives power.
- FIG. 24B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 24A.
- FIG. 25A is a plan view schematically showing the end of power transmission to the contactless power receiving device after movement.
- FIG. 25B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 25A.
- FIG. 26 is a block configuration diagram of a non-contact power supply device, a non-contact power receiving device, and an adapter device according to the second embodiment.
- FIG. 27 is a plan view schematically showing a state where the adapter device is placed on the non-contact power supply device in the second embodiment.
- FIG. 28 is a diagram illustrating a communication sequence among the non-contact power feeding device, the non-contact power receiving device, and the adapter device according to the second embodiment.
- FIG. 29 is a block configuration diagram of a non-contact power feeding device, a non-contact power receiving device, and an adapter device in the third embodiment.
- FIG. 30A is a plan view schematically showing one situation in which the adapter device is mounted on the non-contact power feeding device in the third embodiment.
- FIG. 30B is a plan view schematically showing a situation where the adapter device is placed on the non-contact power feeding device in the third embodiment.
- FIG. 30C is a plan view schematically showing one situation in which the adapter device is mounted on the non-contact power feeding device in the third embodiment.
- FIG. 30D is a plan view showing a state where the adapter device is placed on the non-contact power supply device in the third embodiment.
- FIG. 31 is a block configuration diagram of a contactless power feeding device and a contactless power receiving device according to the related art.
- FIG. 32 is a diagram illustrating a specific example of a non-contact power feeding device according to the related art.
- FIG. 33 is a diagram illustrating a specific example of a non-contact power feeding device according to the related art.
- FIG. 34 is a flowchart showing the control in the non-contact power feeding device according to the prior art.
- FIG. 35 is a block configuration diagram of a wireless charging system according to the prior art.
- FIG. 36 is a state transition diagram of the wireless charging system according to the related art.
- FIG. 37 is a diagram illustrating a communication frame format in the wireless charging system according to the related art.
- FIG. 38 is a diagram illustrating a relationship between a header of a communication frame and a message size in the wireless charging system according to the related art.
- FIG. 39 is a diagram illustrating a relationship between a header of a communication frame, a packet type, and a message size in the wireless charging system according to the related art.
- the contactless power supply device includes a plurality of power supply units that transmit power and a communication unit on a power supply side that transmits and receives communication packets in order to transmit power to the contactless power receiving device in a contactless manner. And a control unit on the power supply side that controls the power supply unit and the communication unit on the power supply side.
- the communication unit on the power supply side transmits a response request message for detecting the placement of the non-contact power receiving device, and then receives the corresponding response message, thereby completing the placement detection of the non-contact power receiving device.
- the communication unit on the power supply side transmits a response request message for specifying the mounting position of the non-contact power receiving device, and then receives the corresponding response message so that the control unit on the power supply side and the power supply device Specify the combination with the part.
- the control unit on the power supply side controls the power supply unit according to the corresponding response message received by the communication unit on the power supply side.
- the non-contact power supply device further includes a storage unit that stores information that is controlled by the control unit on the power supply side and communicated via the communication unit on the power supply side. Prepare.
- the power feeding units are arranged in a matrix.
- the power feeding side control unit controls the power feeding unit, the power feeding side communication unit, and the storage unit to perform the following steps (A) to (F). Execute.
- (A) A step of transmitting power by at least one row of power feeding units and transmitting a second response request message to a non-contact power receiving device for which placement detection has been completed.
- (B) A second corresponding to the second response request message.
- the step (C), the step (A) and the step of storing the communication address of the non-contact power receiving device and the magnitude of the power being received by the non-contact power receiving device included in the second response message Step (B) is performed for all rows, and the step of identifying the row where the magnitude of the power being received is maximized (D) Power transmission is performed by at least one column of power feeding units, and the placement detection is completed.
- a step of transmitting a third response request message to the non-contact power receiving device (E) When a third response message corresponding to the third response request message is received, the non-contact power receiving device included in the third response message of The step (F) of storing the communication address and the magnitude of the power being received by the non-contact power receiving apparatus is executed for all the columns, and the magnitude of the power being received is maximized.
- the non-contact power feeding device is an induction heating cooker having a plurality of power feeding units arranged in a matrix
- the combination of the non-contact power receiving device and the power feeding unit Can be specified.
- the power-supply-side control unit includes After the response request message is transmitted, if the fourth response message is not received from the non-contact power receiving device receiving power for a predetermined period, the non-contact power receiving device being fed is excluded from the power transmission target.
- control unit on the power supply side excludes the contactless power reception device that is receiving power from the target of power transmission, and then Perform position detection.
- the power consumption can be reduced and the response speed can be improved.
- the non-contact power receiving device in addition to the fourth aspect, when the non-contact power receiving device excluded from the target of power transmission is placed again, the non-contact power receiving device is again Register as a target of power transmission.
- the contactless power receiving device is configured to receive power transmitted in a contactless manner from the contactless power feeding device, and a power receiving unit that receives power and communication on a power receiving side that transmits and receives communication packets. And a power measuring unit that measures the power being received by the power receiving unit.
- the communication unit on the power receiving side When the communication unit on the power receiving side receives the response request message for detecting the placement of the non-contact power receiving device, the communication unit transmits a corresponding response message.
- the communication unit on the power receiving side When the communication unit on the power receiving side receives a response request message for specifying the mounting position of the non-contact power receiving device, it transmits a corresponding response message.
- the communication unit on the power receiving side When the communication unit on the power receiving side receives a response request message for controlling the transmitted power, the communication unit transmits the magnitude of power measured by the power measurement unit as a response message.
- the non-contact power receiving device is closed when the load and the non-contact power receiving device are placed, and supplies the power transmitted from the power feeding unit to the load.
- a switching unit that opens when the non-contact power receiving device is lifted and stops the supply of power to the load.
- the communication unit on the power receiving side transmits a response message indicating the movement of the non-contact power receiving device when the switching unit is opened.
- the contactless power feeding device can easily detect that the contactless power receiving device receiving power has moved.
- the contactless power transmission system includes the contactless power feeding device according to the first aspect and the contactless power receiving device according to the sixth aspect. According to this aspect, it is possible to provide a power transmission system on a practical scale that enables accurate communication and safe power transmission.
- a contactless power transmission system in addition to the eighth aspect, receives power from a contactless power feeding device and transmits the power to the contactless receiving device, and transmits a communication packet to the contactless power feeding device and the contactless power transmission device.
- An adapter device for transmitting and receiving between the contact receiving devices is further provided.
- the communication unit on the power receiving side is a power receiving communication unit that receives load-modulated power for transmitting and receiving communication packets.
- the non-contact power supply device further includes a zero cross detection unit that detects the zero cross point of the commercial power supply, and the communication unit on the power supply side is configured to transmit the timing of the zero cross point to the adapter device.
- the adapter device transmits power to the power receiving communication unit in a non-contact manner, and includes a power feeding communication unit that transmits and receives communication packets to and from the power receiving communication unit, and an adapter side communication unit that communicates with the power feeding communication unit. .
- the communication unit on the power supply side transmits the timing of the zero cross point to the communication unit on the adapter side, and the power supply communication unit transmits power according to the zero cross point and transmits and receives communication packets.
- the control unit on the power supply side is configured to control the power supply unit according to the communication packet received by the communication unit on the power supply side for power control.
- the adapter further includes a power receiving unit on the adapter side that receives the power transmitted from the contactless power supply device.
- the control unit on the power supply side is configured to specify a combination of the power reception unit and the power supply unit of the adapter in order to specify the placement position of the non-contact power receiving device.
- the mounting positions of the adapter device and the non-contact power receiving device can be accurately identified.
- Embodiment 1 of the present disclosure will be described with reference to FIGS. 1 to 25B.
- FIG. 1 is a block configuration diagram of a non-contact power transmission system according to the present embodiment.
- the contactless power transmission system according to the present embodiment includes a contactless power supply device 100 and a contactless power receiving device 200.
- the non-contact power supply device 100 includes a plurality of power supply units 1, a control unit 2, a communication unit 5, and a storage unit 6.
- the communication unit 5 is a communication unit on the power feeding side.
- the communication unit 5 communicates with the communication unit 10 of the non-contact power receiving device 200 described later.
- the storage unit 6 stores device information regarding the non-contact power receiving device 200 transmitted from the communication unit 10 via the communication unit 5.
- the power feeding unit 1 includes a high frequency power source unit 3 and a resonance circuit 4.
- the high frequency power supply unit 3 converts power supplied from a commercial power source into high frequency power.
- the resonance circuit 4 transmits the electric power converted by the high frequency power supply unit 3 to the resonance circuit 8 of the non-contact power receiving device 200 described later in a non-contact manner.
- the control unit 2 is a control unit on the power supply side.
- the control unit 2 individually controls the plurality of power feeding units 1 based on the information stored in the storage unit 6, and the resonance included in each of the non-contact power receiving devices 200 from the resonance circuit 4 of the power feeding unit 1.
- the power transmitted in a contactless manner to the circuit 8 is controlled.
- the non-contact power receiving apparatus 200 includes a load 7, a resonance circuit 8, a power supply circuit 9, a communication unit 10, a control unit 11, and a power measurement unit 12.
- the resonance circuit 8 is a power receiving unit of the non-contact power receiving device 200 that receives the transmitted power.
- the power supply circuit 9 converts the power received by the resonance circuit 8 into power for operating the load 7.
- the communication unit 10 is a power receiving side communication unit that communicates with the communication unit 5 of the non-contact power supply apparatus 100.
- the control unit 11 is a control unit on the power receiving side. In order to control the power supplied to the load 7, the control unit 11 calculates a difference between the magnitude of the power being received measured by the power measurement unit 12 and the rated power of the load 7 (hereinafter referred to as a power error). To do.
- the load 7 is, for example, a motor mounted on a juicer or blender, a heater mounted on a jar pot, or the like.
- the non-contact power supply device 100 is, for example, a configuration in which a plurality of power supply units are embedded in a countertop of a kitchen, an induction heating cooker, or the like.
- Fig. 2 shows the frame format of the communication packet.
- the format 13 of the communication packet includes a preamble 13a, a transmission source address 13b, a reception destination address 13c, a header 13d, a message 13e, and a checksum 13f.
- the preamble 13a is used for detecting a communication packet.
- a code corresponding to the type and size of the message is assigned to the header 13d.
- the message 13e stores device information corresponding to the code assigned to the header 13d.
- the checksum 13f is used for detecting a packet error.
- a communication packet is an 11-byte to 25-byte preamble 13a, a 1-byte transmission source address 13b, a 1-byte reception destination address 13c, and a 1-byte header 13d. It has a 1-byte to 27-byte message 13e and a 1-byte checksum 13f. The size of the message 13e is determined according to the code of the header 13d.
- the non-contact power supply device 100 is an induction heating cooker having a plurality of power supply units 1 arranged in a matrix.
- FIG. 3 shows the state transition of the non-contact power transmission system of the present embodiment.
- FIG. 4 is a plan view schematically showing a state in which the non-contact power receiving devices 200 a and 200 b are placed on the non-contact power feeding device 100.
- the non-contact power transmission system of the present embodiment has an initial registration state 14, a placement detection state 15, a scan processing state 16, a registration state 17, and a power supply state 18.
- the non-contact power supply device 100 has a plurality of power supply units 1 arranged in a matrix of n rows in the vertical direction and m columns in the horizontal direction. Specifically, n is 6 and m is 10, and a total of 60 power feeding units 1 are arranged in a matrix.
- the resonance circuit 8 of the non-contact power receiving apparatus 200 has a size that covers the four power feeding units 1.
- FIG. 5A is a plan view schematically showing a state in which the non-contact power receiving device 200c is placed at the initial registration position on the non-contact power feeding device 100.
- FIG. 5B is a diagram illustrating a communication sequence between the non-contact power supply device 100 and the non-contact power reception device 200 in the initial registration.
- the first and second rows from the front of the power feeding unit 1 arranged in a matrix of n rows and m columns are arranged in the first and second columns from the left. It is assumed in advance that the four power feeding units 1 that have been used are used for initial registration.
- the j-th row means the j-th row from the front
- the k-th column means the k-th column from the left.
- j is a natural number of n or less
- k is a natural number of m or less.
- the user or installer of the non-contact power feeding device 100 instructs the non-contact power feeding device 100 to perform initial registration after placing the newly purchased non-contact power receiving device 200 at the initial registration position.
- the initial registration positions are positions corresponding to the four power supply units 1 arranged in the first and second columns of the first and second rows.
- the instruction for initial registration indicates, for example, pressing of an initial registration start key arranged on an operation panel (not shown) of the non-contact power supply apparatus 100.
- the non-contact power supply apparatus 100 has a predetermined communication address (00h). Since the contactless power receiving device 200 is assigned a communication address when it is registered in the contactless power feeding device 100, an individual communication address is not set in the contactless power receiving device 200 before the initial registration. Therefore, FIG. 5B shows a case where (FFh) is used as the communication address of the non-contact power receiving apparatus 200.
- the control unit 2 when receiving the initial registration instruction, transmits the power necessary for the communication unit 10 to operate. Are controlled.
- control unit 2 sets the communication address (00h) of the contactless power supply device as the transmission source address 13b, the communication address (FFh) of the contactless power reception device 200 that performs initial registration as the reception destination address 13c, and the header 13d.
- the communication unit 5 is controlled so as to transmit communication packets each storing a code meaning initial registration.
- control unit 11 of the non-contact power receiving apparatus 200 controls the communication unit 10 to transmit the communication packet.
- the communication packet to be transmitted includes the non-contact power receiving device 200 that is initially registered in the transmission source address 13b, that is, the communication address (FFh) of itself, and the communication address of the non-contact power supply device 100 in the reception destination address 13c. (00h) is stored in the header 13d, and a code indicating that the device information of the non-contact power receiving device 200 is stored in the message 13e.
- the device information stored in the message 13e includes the device ID 19 set for each power receiving device, the rated power of the load 7, and the diameter of the coil included in the resonance circuit 8.
- the control unit 2 obtains the device ID 19 included in the communication packet and the device ID 19 of the contactless power receiving device 200 that has been initially registered. Compare.
- control unit 2 transmits the communication packet storing the communication address information of the registered contactless power receiving device 200 in the message 13e to the contactless power receiving device 200 to be initially registered.
- the communication unit 5 is controlled to complete the initial registration.
- control unit 2 controls the communication unit 5 so as to transmit a communication packet storing a new communication address in the message 13e to the contactless power receiving device 200 that is initially registered. End registration. Thereafter, the non-contact power receiving apparatus 200 recognizes that the communication address transmitted from the non-contact power supply apparatus 100 is dedicated to itself, and uses this to transmit and receive communication packets.
- the contactless power feeding device 100 is connected to the contactless power receiving device 200a and the contactless power receiving device 200b in a situation where the communication address (01h) and the communication address (02h) have been assigned. In this case, the initial registration of 200c is performed.
- the control unit 2 uses the power necessary for the communication unit 10 of the non-contact power receiving device 200c to operate.
- the power feeding unit 1 provided at the initial registration position is controlled so as to transmit.
- the control unit 2 controls the communication unit 5 so as to transmit a communication packet for initial registration to the communication unit 10 of the non-contact power receiving device 200c.
- the control unit 11 controls the communication unit 10 to transmit the communication packet storing the device information.
- the control unit 2 uses the device ID 19 included in the transmitted communication packet as the device ID 19 stored in the storage unit 6 and the non-contact. Compare with the device ID 19 of the power receiving device 200b.
- control unit 2 transmits a communication packet in which the communication address (01h) of the non-contact power receiving device 200a or the communication address (02h) of the non-contact power receiving device 200b is stored in the message 13e. 200c to finish initial registration.
- control unit 2 transmits a communication packet storing the communication address (03h) newly assigned to the non-contact power receiving device 200c in the message 13e to the non-contact power receiving device 200c, and completes the initial registration. To do.
- the non-contact power receiving apparatus 200c uses the communication address (03h) transmitted from the non-contact power supply apparatus 100 as its own transmission source address and reception address, and communicates with the non-contact power supply apparatus 100. Send and receive.
- the non-contact power receiving device 200 is newly purchased and the initial registration of the non-contact power receiving device 200 is performed by the user or the installer has been described. If the non-contact power supply device 100 and the non-contact power reception device 200 are sold in combination, the initial registration is saved by registering the non-contact power reception device 200 in advance in the manufacturing process. Can do.
- the device ID 19 of the non-contact power receiving device 200 may be defined, for example, by combining a manufacturer code assigned to each manufacturer by a standards organization and a code unique to each manufacturer.
- FIG. 6A is a plan view schematically showing a state in which the non-contact power receiving devices 200a and 200c are placed on the non-contact power feeding device 100.
- FIG. 6B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the placement detection of the non-contact power receiving device.
- non-contact power receiving devices 200a, 200b, 200c three non-contact power receiving devices have already been initially registered, and two of them (non-contact power receiving devices 200a, 200c) are not registered.
- the contactless power supply device 100 performs placement detection.
- the “placement detection instruction” in the communication sequence illustrated in FIG. 6B is executed, for example, when the user presses a placement detection start key provided in the non-contact power supply apparatus 100.
- the contactless power supply device 100 may automatically detect periodically whether or not the contactless power receiving device 200 is mounted.
- the control unit 2 controls all the power supply units 1 so as to supply power necessary for operating the communication units 10 included in the non-contact power receiving devices 200a to 200c.
- control unit 2 controls the communication unit 5 to transmit a communication packet storing the first response request message for placement detection to the non-contact power receiving devices 200a, 200b, and 200c.
- the control unit 11 when the control unit 11 receives the first response request message, the control unit 11 sets the power measured by the power measurement unit 12 to the first response request message corresponding to the first response request message.
- the communication unit 10 is controlled to transmit the communication packet stored as the response message.
- control unit 2 When the control unit 2 receives the communication packet transmitted from the non-contact power receiving device 200a, the control unit 2 stores the communication address (01h) of the non-contact power receiving device 200a and the magnitude of the power being received in the storage unit 6. Further, when receiving the communication packet transmitted from the non-contact power receiving device 200c, the control unit 2 stores the communication address (03h) of the non-contact power receiving device 200c and the magnitude of the power being received in the storage unit 6.
- the non-contact power supply device 100 transitions to the scan processing state 16 in order to end the placement detection in the placement detection state 15 and specify the placement positions of the non-contact power receiving devices 200a and 200c.
- the mounting position of the non-contact power receiving device is specified, it is determined which power feeding unit is transmitting power to which non-contact power receiving device. In the present disclosure, this is expressed as specifying a combination of a non-contact power receiving device and a power feeding unit.
- control unit 2 is based on the device information of the non-contact power receiving device 200 detected in the placement detection state 15 among the device information of the non-contact power receiving device 200 stored in the storage unit 6. Determine the number of rows and columns to be scanned.
- the control unit 2 is arranged in two adjacent rows or two columns. The scanning process is simultaneously performed on the arranged power feeding units 1. In this case, j and k described later are 2.
- control unit 2 is arranged in the first row to the j-th row so as to supply electric power necessary for operating the communication unit 10 of the detected non-contact power receiving apparatus 200.
- the power supply unit 1 is controlled.
- the control unit 2 further controls the communication unit 5 so as to transmit a second response request message for specifying the placement position to the detected non-contact power receiving device 200.
- the detected non-contact power receiving device 200 When the detected non-contact power receiving device 200 is placed above the power supply unit 1 arranged in the first to j-th rows, the detected non-contact power receiving device 200 receives the second response request message. And the magnitude of the power being received is transmitted to the non-contact power supply apparatus 100 as a second response message corresponding to the second response request message.
- the power feeding unit 1 arranged in the j-th row is referred to as the j-th power feeding unit 1 and the non-contact power receiving device 200 are placed above the power feeding unit 1 arranged in the j-th row.
- the contact power receiving device 200 is placed in the j-th row, it is expressed respectively.
- this non-contact power receiving device 200 does not receive the second response request message, and therefore transmits the second response message. There is nothing.
- the control unit 2 stores the second response message in the second response message.
- the storage unit 6 stores the communication address of the contactless power receiving device 200 that has transmitted the second response message and the magnitude of the power being received.
- the control unit 2 executes the scan processing step (A) and the step (B) for all the rows while shifting one row at a time, and transmits the second response message.
- the row having the maximum power received by the contact power receiving device 200 is identified.
- control unit 2 By executing steps (A) to (C) of the scanning process, the control unit 2 detects whether or not the second response message is transmitted from the non-contact power receiving device 200 and the second response message.
- the row in which the detected non-contact power receiving device 200 is placed can be identified from the magnitude of the power being received by the non-contact power receiving device 200 that has transmitted.
- the control unit 2 is arranged in the first column to the kth column so as to supply power necessary to operate the communication unit 10 of the detected non-contact power receiving apparatus 200.
- the power supply unit 1 is controlled.
- the control unit 2 further controls the communication unit 5 so as to transmit a third response request message for specifying the placement position to the detected non-contact power receiving device 200.
- the non-contact power receiving device 200 When the detected non-contact power receiving device 200 is arranged in the first column to the k-th column, the non-contact power receiving device receives and receives the third response request message transmitted from the non-contact power feeding device 100. The magnitude of the medium power is transmitted to the non-contact power supply apparatus 100 as a third response message corresponding to the third response request message.
- this non-contact power receiving device 200 If the detected non-contact power receiving device 200 is not placed in the first column to the k-th column, this non-contact power receiving device does not receive the third response request message, and therefore transmits the third response message. There is nothing.
- the control unit 2 transmits the third response message.
- the storage unit 6 stores the communication address of the contactless power receiving device 200 and the magnitude of the power being received.
- the control unit 2 executes the scan process steps (D) and (E) for all the columns while shifting one column at a time, and transmits the third response message.
- a column in which the magnitude of the power being received is maximized is specified.
- the control unit 2 By executing the process (D) to the process (F) of the scanning process, the control unit 2 detects whether or not the third response message is transmitted from the non-contact power receiving apparatus 200 and the third response message.
- the row on which the detected non-contact power receiving device 200 is placed can be identified from the magnitude of the power being received by the non-contact power receiving device 200 that has transmitted.
- the control unit 2 determines the combination of the non-contact power receiving device 200 and the power feeding unit 1 detected from the row specified in the scan processing step (C) and the column specified in the scan processing step (F). Identify.
- the scan processing state 16 will be specifically described with reference to FIGS. 7A to 16B.
- FIG. 7A is a plan view schematically showing the state of scan processing for the first and second rows.
- FIG. 7B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 7A.
- the control unit 2 recognizes that the non-contact power receiving devices 200a and 200c are placed on the non-contact power feeding device 100.
- control unit 2 executes the scanning process simultaneously according to the device information of the non-contact power receiving devices 200a and 200c stored in the storage unit 6, particularly the diameter of the coil included in each resonance circuit 8. Determine the number of rows and columns to be performed.
- the diameter of the resonance circuit 8 included in each of the non-contact power receiving devices 200a and 200c is the size of two power supply units 1.
- the control unit 2 sets the number of rows and columns to be simultaneously scanned to two.
- control unit 2 grays the first row and the second row so as to supply power necessary to operate the communication units 10 included in the non-contact power receiving devices 200a and 200c, respectively.
- the power feeding unit 1 shaded by the is controlled.
- control unit 2 further stores the second response request message in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 5 is controlled to transmit a packet.
- the non-contact power receiving devices 200a and 200c are not placed in the first row and the second row, the non-contact power receiving devices 200a and 200c cannot receive power, and the second response No request message is received and no second response message is sent.
- FIG. 8A is a plan view schematically showing the state of scan processing for the second and third rows.
- FIG. 8B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 8A.
- step (A) of the scanning process the control unit 2 performs two lines so as to supply power necessary for operating the communication units 10 included in the non-contact power receiving devices 200a and 200c.
- the feeding unit 1 shaded in gray in the eyes and the third row is controlled.
- control unit 2 further stores the second response request message in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 5 is controlled to transmit a packet.
- the communication unit 10 of the non-contact power receiving device 200c receives the power transmitted from the power feeding unit 1 in the third row, and the communication unit The second response message transmitted from 5 is received.
- the non-contact power receiving device 200a is not placed in the second and third rows, and therefore cannot receive power and does not receive the second response request message. Will never be sent.
- control unit 11 when receiving the second response request message, the control unit 11 causes the communication unit 10 to transmit the magnitude of the power detected by the power measurement unit 12 as the second response message. Control.
- the control unit 2 determines the communication address (03h) of the non-contact power receiving device 200c and the power being received. Is stored in the storage unit 6.
- FIG. 9A is a plan view schematically showing the state of scan processing for the third and fourth rows.
- FIG. 9B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 9A.
- control unit 2 is configured to supply power necessary for operating the communication units 10 included in the non-contact power receiving devices 200a and 200c.
- the feeding unit 1 shaded in gray in the eyes and the fourth row is controlled.
- the controller 2 stores the second response request message in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 5 is controlled to transmit a packet.
- the communication unit 10 of the non-contact power receiving device 200c receives the power transmitted from the power feeding unit 1 in the third and fourth rows. Then, the second response request message transmitted from the communication unit 5 is received.
- the non-contact power receiving device 200a is not placed in the third row and the fourth row, and therefore cannot receive power and does not receive the second response request message. Will never be sent.
- the control unit 11 transmits the magnitude of the power detected by the power measurement unit 12 as the second response message.
- the communication unit 10 is controlled.
- the control unit 2 determines the communication address (03h) of the non-contact power receiving device 200c and the power being received. Is stored in the storage unit 6.
- the control unit 2 can specify the row where the magnitude of the power received by the non-contact power receiving device 200c is the maximum, and the non-contact power receiving device 200c is the third row and It can be recognized that it is placed in the fourth row.
- FIG. 10A is a plan view schematically showing the state of scan processing for the fourth and fifth rows.
- FIG. 10B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 10A.
- the control unit 2 performs four lines so as to supply power necessary for operating the communication units 10 included in the non-contact power receiving devices 200a and 200c.
- the feeding unit 1 shaded in gray in the eyes and the fifth row is controlled.
- control unit 2 further performs communication in which the second response request message is stored in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 5 is controlled to transmit a packet.
- the communication unit 10 of the non-contact power receiving device 200a receives the power transmitted from the power feeding unit 1 in the fifth row, and the communication unit The second response message transmitted from 5 is received.
- the communication unit 10 of the non-contact power receiving device 200c receives the power transmitted from the power feeding unit 1 in the fourth row, The second response message transmitted from the communication unit 5 is received.
- the control unit 11 when the control unit 11 receives the second response request message, the control unit 11 transmits the magnitude of the power detected by the power measurement unit 12 to the non-contact power feeding device 100 as the second response message.
- the communication unit 10 is controlled.
- the control unit 2 determines the communication address (01h) of the non-contact power receiving device 200a and the power being received. , The communication address (03h) of the non-contact power receiving device 200c, and the magnitude of the power being received are stored in the storage unit 6.
- FIG. 11A is a plan view schematically showing the state of scan processing for the fifth and sixth rows.
- FIG. 11B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 11A.
- control unit 2 supplies five lines so as to supply power necessary to operate the communication units 10 included in the non-contact power receiving devices 200a and 200c.
- the power supply unit 1 shaded in gray in the eyes and the sixth row is controlled.
- control unit 2 stores the second response request message in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 5 is controlled to transmit a packet.
- the communication unit 10 of the non-contact power receiving device 200c receives the power transmitted from the power feeding unit 1 in the fifth and sixth rows. Then, the second response message transmitted from the communication unit 5 is received.
- the non-contact power receiving device 200c since the non-contact power receiving device 200c is not placed in the fifth and sixth lines, the power cannot be received, the second response request message is not received, and the second response message is not received. Will never be sent.
- the control unit 11 transmits the magnitude of the power detected by the power measurement unit 12 as the second response message.
- the communication unit 10 is controlled.
- the control unit 2 determines the communication address (01h) of the non-contact power receiving device 200a and the power being received. Is stored in the storage unit 6.
- the control unit 2 can specify the row where the magnitude of the power received by the non-contact power receiving device 200a is the maximum, and the non-contact power receiving device 200a is the fifth row and It can be recognized that it is placed on the sixth line.
- FIG. 12A is a plan view schematically showing the state of scan processing for the first and second rows.
- FIG. 12B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 12A.
- the control unit 2 is arranged in one row so as to supply power necessary for operating the communication units 10 included in the non-contact power receiving devices 200a and 200c.
- the power feeding unit 1 shaded in gray in the eyes and the second row is controlled.
- control unit 2 stores the third response request message in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c. Send the packet.
- the communication unit 10 of the non-contact power receiving device 200a receives the power transmitted from the power feeding unit 1 in the second row, The third response message transmitted from 5 is received.
- the non-contact power receiving device 200c is not placed in the first column or the second column, and therefore cannot receive power and does not receive the third response request message. Will never be sent.
- the control unit 2 supplies power to the row where the non-contact power receiving device 200 is not placed.
- the power may not be supplied to the unit 1. Thereby, the energy-saving performance of the non-contact electric power supply apparatus 100 can be improved.
- the control unit 2 when the non-contact power receiving device 200 is not placed in the first row or the second row, the control unit 2 performs the first column in the scanning process step (D). Of the power supply units 1 shaded in gray in the second column, power may not be supplied to the power supply units 1 in the first and second rows.
- control unit 11 when receiving the third response request message, the control unit 11 causes the communication unit 10 to transmit the magnitude of the power detected by the power measurement unit 12 as the third response message. Control.
- the control unit 2 determines the communication address (01h) of the contactless power receiving device 200a and the power being received. Is stored in the storage unit 6.
- FIG. 13A is a plan view schematically showing the state of scan processing for the second and third rows.
- FIG. 13B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 13A.
- the control unit 2 has two rows so as to supply power necessary to operate the communication units 10 included in the non-contact power receiving apparatuses 200a and 200c.
- the feeding unit 1 shaded in gray in the eyes and the third row is controlled.
- control unit 2 further stores the third response request message in the communication address (01h) of the non-contact power receiving device 200a and the communication address (03h) of the non-contact power receiving device 200c. Send the packet.
- the communication unit 10 of the non-contact power receiving device 200a receives the power transmitted from the power feeding unit 1 in the second and third rows.
- the third response request message transmitted from the communication unit 5 is received.
- the non-contact power receiving device 200c since the non-contact power receiving device 200c is not placed in the second and third columns, the power cannot be received, and the third response request message is not received. No message is sent.
- the control unit 11 transmits the magnitude of the power detected by the power measurement unit 12 as the third response message.
- the communication unit 10 is controlled.
- the control unit 2 determines the communication address (01h) of the contactless power receiving device 200a and the power being received. Is stored in the storage unit 6.
- the control unit 2 can specify the row where the magnitude of the power received by the non-contact power receiving device 200a is the maximum, and the non-contact power receiving device 200a is in the second column and It can be recognized that it is placed in the third row.
- control unit 2 recognizes that the non-contact power receiving device 200a is placed in the second row and the third column of the fifth row and the sixth row, and the non-contact power receiving device 200a. And the combination of the power feeding unit 1 are stored in the storage unit 6.
- FIG. 14A is a plan view schematically showing the state of scan processing for the third and fourth rows.
- FIG. 14B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 14A.
- the control unit 2 supplies power necessary for operating the communication unit 10 of the non-contact power receiving apparatus 200c whose mounting position is not specified.
- the feeding unit 1 shaded in gray in the third and fourth rows is controlled.
- control unit 2 controls the communication unit 5 to transmit a communication packet storing the third response request message to the communication address (03h) of the non-contact power receiving apparatus 200c.
- the control unit 2 specifies the placement position of the non-contact power receiving device 200a by the above-described scan processing for the first to third rows, and thereafter, only to specify the placement position of the non-contact power reception device 200c. Scan processing can be executed.
- the control unit 2 specifies the placement position of the non-contact power receiving device 200a after the fourth row and Only the power feeding unit 1 in the fifth row may be operated. Thereby, the energy-saving performance of the non-contact electric power supply apparatus 100 can be improved.
- the non-contact power receiving device 200c Since the non-contact power receiving device 200c is not placed in the third column or the fourth column, it cannot receive power, does not receive the third response request message, and transmits the third response message. There is no need to do.
- FIG. 15A is a plan view schematically showing the state of scan processing for the fourth and fifth rows.
- FIG. 15B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 15A.
- the control unit 2 supplies the power necessary for operating the communication unit 10 of the non-contact power receiving device 200c in the fourth and fifth rows.
- the feeding unit 1 shaded in gray is controlled.
- control unit 2 further controls the communication unit 5 to transmit a communication packet storing the third response request message to the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 10 of the non-contact power receiving device 200c receives the power transmitted from the power feeding unit 1 in the fifth row, and the communication unit The third response message transmitted from 5 is received.
- the control unit 11 when receiving the third response request message, transmits the magnitude of the power detected by the power measurement unit 12 to the non-contact power supply apparatus 100 as a third response message. Next, the communication unit 10 is controlled.
- the control unit 2 determines the communication address (01h) of the non-contact power receiving device 200c and the power being received. Is stored in the storage unit 6.
- FIG. 16A is a plan view schematically showing the state of scan processing for the fifth and sixth rows.
- FIG. 16B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 16A.
- control unit 2 supplies the power necessary for operating the communication unit 10 of the non-contact power receiving device 200c in the fifth and sixth rows.
- the power supply unit 1 shaded in gray is controlled.
- the control unit 2 further transmits a communication packet storing the third response request message to the communication address (03h) of the non-contact power receiving device 200c.
- the communication unit 10 of the non-contact power receiving device 200c receives the power transmitted from the power feeding unit 1 in the fifth and sixth rows.
- the third response request message transmitted from the communication unit 5 is received.
- the control unit 11 transmits the magnitude of the power detected by the power measurement unit 12 as the third response message.
- the communication unit 10 is controlled.
- the control unit 2 determines the communication address (03h) of the contactless power receiving device 200c and the power being received. Is stored in the storage unit 6.
- the control unit 2 can identify the row where the magnitude of the power received by the non-contact power receiving device 200c is the maximum, and the non-contact power receiving device 200c is in the fifth column and It can be recognized that it is placed in the sixth row.
- the control unit 2 grasps that the non-contact power receiving device 200c is placed in the third row, the fourth row, the fifth column, and the sixth column, and supplies power to the non-contact power receiving device 200c.
- the combination with the unit 1 is stored in the storage unit 6.
- the control unit 2 finishes identifying all combinations of the non-contact power receiving device 200 and the power feeding unit 1 detected in the placement detection state 15, the non-contact power feeding device 100 transitions from the scan processing state 16 to the registration state 17. To do.
- the identified non-contact power receiving device 200 is registered in the control target list held by the storage unit 6 as a power transmission target.
- the registration state 17 ends, and the non-contact power supply device 100 and the non-contact power reception device 200 transition to the power supply state 18.
- FIG. 17A is a plan view schematically showing a state in which the non-contact power receiving devices 200a and 200c receive power.
- FIG. 17B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 17A.
- the control unit 2 When receiving the power supply start instruction, the control unit 2 detects the non-contact power-receiving device 200 detected in the scan processing state 16 and registered in the control target list in the registration state 17 and registered in the initial registration state 14.
- the power feeding unit 1 combined with the non-contact power receiving device 200 registered in the control target list is controlled so that the same power as the rated power of the load 7 of the contact power receiving device 200 is supplied.
- the control unit 2 controls the communication unit 5 so as to periodically transmit a fourth response request message for controlling the transmitted power.
- the control unit 11 transmits a communication packet storing a power error as a fourth response message corresponding to the fourth response request message.
- the communication unit 10 is controlled to transmit.
- the control unit 2 causes the non-contact power receiving device 200 that has transmitted the fourth response message so that the power error becomes zero. 4 controls the power feeding unit 1 combined with the non-contact power receiving device 200 that has transmitted the response message 4.
- the non-contact power receiving devices 200a and 200c are detected.
- the scan processing state 16 it is specified that the non-contact power receiving device 200a is combined with the four power supply units 1 shaded in gray in the second and third columns of the fifth and sixth rows. It is specified that the non-contact power receiving apparatus 200c is combined with the four power feeding units 1 shaded in gray in the fifth and sixth columns of the third row and the fourth row.
- the control unit 2 receives the same power as the rated power of the load 7 of the non-contact power receiving device 200a registered in the initial registration state 14.
- the power feeding unit 1 combined with the non-contact power receiving device 200a is controlled so as to be supplied to the load 7 of the power receiving device 200a.
- the control unit 2 further includes the contactless power receiving device 200c so that the same power as the rated power of the load 7 of the contactless power receiving device 200c registered in the initial registration state 14 is supplied to the load 7 of the contactless power receiving device 200c.
- the combined power supply unit 1 is controlled.
- the control unit 2 controls the communication unit 5 so as to periodically transmit the fourth response request message to the respective communication units 10 of the non-contact power receiving devices 200a and 200c.
- the control unit 11 controls the communication unit 10 to transmit a communication packet storing the power error as the fourth response message. To do.
- the control unit 11 transmits a communication packet storing the power error as the fourth response message.
- the communication unit 10 is controlled.
- the control unit 2 When the communication unit 5 receives the two fourth response messages transmitted from the non-contact power receiving devices 200a and 200c, the control unit 2 has zero power errors stored in the two fourth response messages, respectively. As described above, the power feeding unit 1 combined with the non-contact power receiving devices 200a and 200c is controlled.
- the contactless power supply device 100 it is possible to configure the contactless power supply device 100 on a practical scale by communicating with the plurality of contactless power receiving devices 200 using the single communication unit 5. Become.
- the scanning process is started from the first row and the first column.
- the scanning process may be started from the nth row and the mth column.
- control unit 2 sets the number of rows and columns that simultaneously execute the scanning process to 2.
- control unit 2 may determine the number of rows and columns to be simultaneously scanned according to the diameter of the coil included in the resonance circuit 8.
- the scanning process may be performed individually.
- the diameter of the coil included in the resonance circuit 8 of the non-contact power receiving device 200a corresponds to the size of one power supply unit 1, and each of the resonance circuits 8 of the non-contact power receiving devices 200b and 200c respectively.
- the diameter of the included coil corresponds to the size of the three power supply portions 1.
- the number of rows and columns to be scanned is set to 1, and the above-described scan processing steps (A) to (F) are executed. To do.
- Steps (A) to (F) of the scan process described above are executed.
- the power received by the power receiving side during scanning is one type. Specified. For this reason, the magnitude of the power being received need not be transmitted from the power receiving side as a response message and stored on the power feeding side. Therefore, in this case, the system specification may be such that only the reception of power is transmitted as a response message.
- each power receiving device When the communication unit on the power receiving side has a MAC (medium access control) function with collision avoidance means such as CSMA (Carrier Sense Multiple Access), each power receiving device responds to one response request message in order while avoiding the collision. It is possible to have a configuration for transmitting a message.
- MAC medium access control
- CSMA Carrier Sense Multiple Access
- the non-contact power feeding device transmits a response request message in a simultaneous broadcast, and the non-contact power receiving device responds to the response request message.
- a response message may be transmitted. In this case, it is not necessary to initially register the address of the non-contact power receiving device in advance.
- FIG. 18A is a plan view schematically showing a state in which the non-contact power receiving device 200a is removed from the non-contact power feeding device 100 during power transmission to the non-contact power receiving devices 200a and 200c.
- FIG. 18B is a diagram illustrating a communication sequence between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIG. 18A.
- the non-contact power receiving device 200 includes a push switch (not shown) on its bottom surface as a switching unit for switching whether to supply power to the load 7 or not.
- the push switch is configured to close when the non-contact power receiving device 200 is placed on the non-contact power feeding device 100 and open when the non-contact power receiving device 200a is lifted for movement or the like.
- the control unit 11 transmits the communication packet storing the fifth response message indicating that the non-contact power receiving device 200a has moved.
- the unit 10 is controlled.
- the control unit 2 stops the power transmission to the non-contact power receiving device 200a and receives power from the power transmission target. In order to exclude the device 200a, the information on the non-contact power receiving device 200a is deleted from the control target list.
- the control unit 2 does not receive the fourth response message from the non-contact power receiving device 200a for a predetermined period after the communication unit 5 transmits the fourth response request message to the non-contact power receiving device 200a. Similarly, in this case, the control unit 2 stops the power transmission to the contactless power receiving device 200a and excludes the contactless power receiving device 200a from the power transmission target. Delete from.
- FIG. 19A is a plan view schematically showing a state where the non-contact power receiving device has moved to a position where it cannot receive power.
- FIG. 19B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 19A.
- the non-contact power supply device 100 attempts to detect the non-contact power receiving device 200 a in the placement detection state 15.
- the controller 2 supplies all the power supply units that are not in the power supply state 18 so as to supply power necessary to operate the communication unit 10 of the non-contact power receiving apparatus 200 registered in the initial registration state 14. 1 is controlled.
- the control unit 2 further controls the communication unit 5 to transmit the communication packet storing the first response request message to the communication address of the contactless power receiving device 200 registered in the initial registration state 14.
- the control unit 2 determines that “no placement detection” and continues power transmission only to the non-contact power receiving apparatus 200c.
- FIG. 20A is a plan view schematically showing a state where the non-contact power receiving device 200a is placed in the 9th and 10th rows of the first and second rows of the non-contact power feeding device 100.
- FIG. 20B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 20A.
- the non-contact power feeding device 100 tries to detect the non-contact power receiving device 200a in the placement detection state 15.
- the controller 2 supplies all the power supply units that are not in the power supply state 18 so as to supply power necessary to operate the communication unit 10 of the non-contact power receiving apparatus 200 registered in the initial registration state 14. 1 is controlled.
- the control unit 2 further controls the communication unit 5 to transmit the communication packet storing the first response request message to the communication address of the contactless power receiving device 200 registered in the initial registration state 14.
- the control unit 11 stores a communication packet in which the magnitude of power measured by the power measurement unit 12 is stored as the first response message.
- the communication unit 10 is controlled to transmit.
- FIG. 21A, FIG. 22A, and FIG. 23A are plan views schematically showing the status of scan processing for the non-contact power receiving device 200a after movement.
- 21B, 22B, and 23B are diagrams illustrating communication sequences between the non-contact power supply device and the non-contact power reception device in the situation illustrated in FIGS. 21A, 22A, and 23B, respectively.
- FIG. 24A is a plan view schematically showing a state in which the non-contact power receiving devices 200a and 200c after moving receive power.
- FIG. 24B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 24A.
- the scan process shown in FIGS. 21A to 23B is the same as the scan process shown in FIGS. 7A to 16B.
- the power feeding operation illustrated in FIGS. 24A and 24B is the same as the power feeding operation illustrated in FIGS. 17A and 17B. Therefore, these descriptions are omitted here.
- FIG. 25A is a plan view schematically showing the end of the power feeding operation for the non-contact power receiving apparatus 200a after movement.
- FIG. 25B is a diagram illustrating a communication sequence between the non-contact power feeding device and the non-contact power receiving device in the situation illustrated in FIG. 25A.
- the control unit 2 transmits a communication packet indicating the end of the power supply according to the power supply end instruction. Is transmitted to the non-contact power receiving devices 200a and 200c, and the power feeding unit 1 is controlled to stop power feeding.
- the contactless power feeding device 100 can stop power transmission in accordance with the movement of the contactless power receiving device 200.
- FIG. 26 is a block configuration diagram of the non-contact power supply apparatus 101, the non-contact power receiving apparatus 201, and the adapter apparatus 300 according to the present embodiment.
- FIG. 27 is a plan view schematically showing a state where the adapter device 300 is placed on the non-contact power supply device 101.
- the non-contact power supply device 101 is an induction heating cooker having a plurality of power supply units 1 arranged in a matrix like the non-contact power supply device 100 in the first embodiment.
- the non-contact power supply device 101 includes a zero cross detection unit 23 that detects a zero cross point of the commercial power supply and transmits the timing of the zero cross point to the control unit 2.
- the non-contact power receiving device 201 includes a resonance circuit 20 and a resonance circuit 21.
- the resonance circuit 20 receives larger electric power supplied only to the load 7 from the non-contact power supply device 100.
- the resonant circuit 21 receives smaller power from the contactless power supply device 101 that is supplied only to the communication unit 10.
- the communication unit 10 performs communication with the non-contact power supply apparatus 101 by superimposing a message on the received power by load-modulating the power received via the resonance circuit 21. That is, the resonance circuit 21 is a power receiving communication unit that receives power and transmits and receives communication packets.
- the non-contact power receiving device 201 can be simplified. However, as with the configuration of the non-contact power receiving apparatus 201, it is not reasonable to provide all the power feeding units 1 provided in the non-contact power feeding apparatus 101 with a communication function.
- the adapter device 300 is newly provided in order for the non-contact power feeding device 101 to communicate with the non-contact power receiving device 201 having the above configuration.
- the adapter device 300 includes a resonance circuit 24, a high frequency power supply unit 22, a resonance circuit 25, a communication unit 26, a control unit 27, a transmission unit 28, and a device ID 19.
- the resonance circuit 24 is a power receiving unit on the adapter side that receives power in a non-contact manner from the power feeding unit 1 of the non-contact power feeding device 101.
- the high frequency power supply unit 22 receives power via the resonance circuit 24 and the power supply circuit 9 and generates high frequency power.
- the resonance circuit 25 transmits the power supplied from the high frequency power supply unit 22 to the resonance circuit 21 of the non-contact power receiving apparatus 201 and receives information superimposed on the transmitted power from the resonance circuit 21 so as to be non-contact. Communication with the power receiving apparatus 201 is performed. That is, the resonance circuit 25 is a power supply communication unit that performs power transmission and transmission / reception of communication packets.
- the communication unit 26 is a communication unit on the adapter side that communicates with the communication unit 5 of the non-contact power supply apparatus 101.
- the control unit 27 is an adapter-side control unit that controls the resonance circuit 25 via the high-frequency power supply unit 22 and controls the communication unit 26.
- the transmission unit 28 transmits the device information of the non-contact power receiving device 201 superimposed on the power transmitted from the resonance circuit 25 to the resonance circuit 21 to the control unit 27.
- the apparatus ID 19 is initially registered in the storage unit 6 of the non-contact power supply apparatus 101 as IDa.
- adapter device 300 receives power from power supply unit 1 in a non-contact manner via resonance circuit 24. This power is controlled according to information communicated between the communication unit 5 and the communication unit 26.
- the resonance circuit 25 is provided close to the resonance circuit 21, and the power transmitted from the resonance circuit 25 to the resonance circuit 21 in a non-contact manner is supplied to the communication unit 10 of the non-contact power receiving apparatus 201.
- the controller 11 of the non-contact power receiving apparatus 201 performs load modulation on the power transmitted in a non-contact manner by using the power supply circuit 9, thereby superimposing a message for power control on the transmitted power.
- the communication unit 10 is controlled so as to be transmitted.
- the transmission unit 28 receives a message from the non-contact power receiving device 201 and transmits the message to the control unit 27.
- the resonance circuit 20 of the non-contact power receiving apparatus 201 is positioned above one of the power supply units 1 and receives power from the power supply unit 1.
- the device ID 19 of the adapter device 300 is initially registered in the storage unit 6 of the non-contact power supply device 101 as IDc.
- the power feeding unit 1 that transmits power to the non-contact power receiving device 201 is controlled by the adapter device 300 communicating with the non-contact power feeding device 101 instead of the non-contact power receiving device 201.
- the control unit 2 of the non-contact power supply apparatus 101 controls the communication unit 5 so that the timing of the zero cross point of the commercial power source obtained from the zero cross detection unit 23 is periodically transmitted as a message.
- the control unit 27 operates the high frequency power supply unit 22.
- FIG. 28 is a diagram showing a communication sequence among the non-contact power supply device 101, the non-contact power receiving device 201, and the adapter device 300.
- messages are transmitted and received between the non-contact power supply device 101 and the adapter device 300 and between the adapter device 300 and the non-contact power receiving device 201 in synchronization with the zero cross point of the commercial power source.
- the adapter device 300 has IDa and IDc, and communicates with the non-contact power supply device 101 and the non-contact power receiving device 201 using these.
- IDa is used for controlling the power transmitted to the adapter device 300.
- IDc is used for controlling the power transmitted to the non-contact power receiving apparatus 201.
- a thick arrow between the IDc of the adapter device 300 and the non-contact power receiving device 201 represents power transmitted from the resonance circuit 25 of the adapter device 300 to the resonance circuit 21 of the non-contact power receiving device 201, and a thin arrow represents information. Represents communication. “Zero cross” means that the timing of the zero cross point is transmitted as a message.
- “Response request” means a response request message.
- “Response request Ra” is a response request message for IDa, that is, the adapter device 300
- “Response request Rc” is a response request message for IDc, that is, the non-contact power receiving device 201.
- Power error means a power error transmitted as a message in response to a response request message.
- Power error Ea is IDa, that is, a power error related to the adapter device 300
- Power error Ec is IDc, ie, a power error related to the non-contact power receiving device 201.
- the non-contact power supply apparatus 101 periodically transmits the timing of the zero cross point of the commercial power supply as a message to the IDa of the adapter apparatus 300.
- the adapter device 300 operates the high frequency power supply unit 22.
- the power necessary for communication between the adapter device 300 and the non-contact power receiving device 201 is transmitted in the vicinity of the zero cross point of the power transmitted to the resonance circuit 20, and at this time, the power from the non-contact power receiving device 201 is transmitted.
- a message (power error Ec) is also communicated.
- the adapter device 300 transmits power error information (power error Ea) related to the adapter device 300 in response to the response request message (response request Ra) received from the non-contact power supply device 101 with respect to IDa.
- the non-contact power supply apparatus 101 controls power transmission to the adapter apparatus 300 according to the error information.
- the adapter device 300 transmits power error information (power error Ec) related to the non-contact power receiving device 201 in response to the response request message (response request Rc) received from the non-contact power feeding device 101 with respect to IDc.
- the non-contact power supply device 101 controls power transmission to the non-contact power receiving device 201 via the adapter device 300 according to the error information.
- the non-contact power receiving device 201 can be used above any power supply unit 1.
- a primary battery may be used instead of the power supply circuit 9 and the resonance circuit 24.
- a secondary battery may be used instead of the power supply circuit 9, and the received power may be stored in the secondary battery.
- the resonance circuit 20 of the non-contact power receiving device 201 may be used.
- the power supply unit 1 on which the adapter device 300 is placed may be determined in advance.
- FIG. 29 is a block configuration diagram of the non-contact power feeding device 101, the non-contact power receiving device 201, and the adapter device 301 according to the present embodiment.
- 30A to 30D are plan views schematically showing a state where the adapter device 301 is placed on the non-contact power supply device 101.
- the power supply circuit 9 of the adapter device 300 is not connected to the load 7, and the light source such as the communication unit 26 and the control unit 27 of the adapter device 301 and the communication unit 10 and the control unit 11 of the non-contact power receiving device 201 are used. Supply power to the load. For this reason, the size of the power supply circuit 9 is set to one size of the power feeding unit 1.
- the resonance circuit 24 of the adapter device 300 that can specify the mounting position by the above-described scanning process, and the mounting position of the resonance circuit 20 of the non-contact power receiving device 201 cannot be specified. .
- adapter device 301 can be used at any location on non-contact power supply device 101.
- the adapter device 301 includes a resonance circuit 29 that is a fourth power receiving unit, and a power supply circuit 9 that is connected to the resonance circuit 29.
- a resonance circuit 29 that is a fourth power receiving unit
- a power supply circuit 9 that is connected to the resonance circuit 29.
- IDb is added as the device ID 19.
- FIGS. 30A to 30D are plan views schematically showing respective situations where the adapter device 301 is mounted on the non-contact power supply device 101.
- FIG. 30A to 30D when the placement positions of the resonance circuits 24 and 29 are specified, the placement position of the resonance circuit 20 can be specified.
- control parts 2, 11, and 27 in the said embodiment are comprised with a microcomputer.
- the control units 2, 11, and 27 are not limited to the microcomputer. However, if a programmable microcomputer is used, the processing contents can be easily changed, and the degree of design freedom can be increased.
- control units 2, 11, and 27 may be physically configured with one or a plurality of elements.
- each control item may be implemented by separate elements. In this case, it can be considered that these plural elements correspond to one control unit.
- the present disclosure is useful in a non-contact power transmission system in which the non-contact power feeding device is an induction heating cooker having a plurality of power feeding units arranged in a matrix.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Induction Heating Cooking Devices (AREA)
Abstract
Description
(A)少なくとも1行の給電部による電力伝送を行い、載置検出が完了した非接触受電機器に第2の応答要求メッセージを送信する工程
(B)第2の応答要求メッセージに対応する第2の応答メッセージを受信すると、第2の応答メッセージに含まれた、非接触受電機器の通信アドレスと非接触受電機器により受信中の電力の大きさとを記憶する工程
(C)工程(A)および工程(B)をすべての行に対して実行し、受信中の電力の大きさが最大となる行を特定する工程
(D)少なくとも1列の給電部による電力伝送を行い、載置検出が完了した非接触受電機器に第3の応答要求メッセージを送信する工程
(E)第3の応答要求メッセージに対応する第3の応答メッセージを受信すると、第3の応答メッセージに含まれた、非接触受電機器の通信アドレスと非接触受電機器により受信中の電力の大きさとを記憶する工程
(F)工程(D)および工程(F)をすべての列に対して実行し、受信中の電力の大きさが最大となる列を特定する工程
本態様によれば、非接触給電機器が、マトリクス状に配置された複数の給電部を有する誘導加熱調理器である場合に、非接触受電機器と給電部との組み合わせを特定することができる。
本開示の実施の形態1について、図1~図25Bを用いて説明する。
図1は、本実施の形態に係る非接触電力伝送システムのブロック構成図である。図1に示すように、本実施の形態に係る非接触電力伝送システムは、非接触給電機器100と非接触受電機器200とを含む。
次に、非接触給電機器100と非接触受電機器200との間の通信で用いられる通信パケットのフォーマットについて、図2を用いて説明する。
次に、本実施の形態の非接触電力伝送システムの状態遷移について、図3~図19Bを用いて説明する。本実施の形態に係る非接触給電機器100は、マトリクス状に配置された複数の給電部1を有する誘導加熱調理器である。
次に、本実施の形態に係る非接触電力伝送システムの初期登録状態14について、図3~図5Bを用いて説明する。
次に、本実施の形態に係る非接触電力伝送システムの載置検出状態15について、図6A、図6Bを用いて説明する。
次に、本実施の形態に係る非接触電力伝送システムのスキャン処理状態16について説明する。
次に、本実施の形態における給電状態18について、図17Aおよび図17Bを用いて説明する。
以下、非接触受電機器を移動させた場合における本実施の形態の動作について、図18A~図25Bを用いて説明する。
以下、本開示の実施の形態2について、図26~図28を用いて説明する。
以下、本開示の実施の形態3について、図29~図30Dを用いて説明する。
2,11,27 制御部
3,22 高周波電源部
4 共振回路
5,10,26 通信部
6 記憶部
7,509 負荷
8,20,21,24,25,29,405a,405b,421,422 共振回路
9 電源回路
12 電力計測部
13 フォーマット
13a,701 プリアンブル
13b 送信元アドレス
13c 受信先アドレス
13d,702 ヘッダ
13e,703 メッセージ
13f,704 チェックサム
14 初期登録状態
15 載置検出状態
16 スキャン処理状態
17 登録状態
18,604 給電状態
19 機器ID
23 ゼロクロス検出部
28 伝達部
100,101 非接触給電機器
200,200a,200b,200c,201 非接触受電機器
300,301 アダプタ機器
Claims (10)
- 非接触受電機器に非接触で電力を伝送する非接触給電機器であって、前記非接触給電機器は、前記電力を伝送する複数の給電部と、通信パケットの送受信を行う給電側の通信部と、前記給電部と前記給電側の通信部とを制御する給電側の制御部とを備え、
前記給電側の通信部は、前記非接触受電機器の載置検出のための応答要求メッセージを送信した後、対応の応答メッセージを受信することにより、前記非接触受電機器の載置検出を完了し、
前記給電側の通信部は、前記非接触受電機器の載置位置の特定のための応答要求メッセージを送信した後、対応の応答メッセージを受信することにより、前記給電側の制御部が前記非接触受電機器と前記給電部との組み合わせを特定し、
前記給電側の通信部が電力制御のための応答要求メッセージを送信した後に、前記給電側の通信部により受信される、対応の応答メッセージに応じて、前記給電側の制御部は前記給電部を制御するように構成された非接触給電機器。 - 前記非接触給電機器は、前記給電側の制御部により制御され、前記給電側の通信部を介して通信される情報を記憶する記憶部をさらに備え、
前記給電部はマトリクス状に配列され、
前記非接触受電機器と前記給電部との組み合わせを特定するために、前記給電側の制御部は、前記給電部と前記給電側の通信部と前記記憶部とを制御して、
(A)少なくとも1行の前記給電部による電力伝送を行い、前記載置検出が完了した前記非接触受電機器に第2の応答要求メッセージを送信する工程と、
(B)前記第2の応答要求メッセージに対応する第2の応答メッセージを受信すると、前記第2の応答メッセージに含まれた、前記非接触受電機器の通信アドレスと前記非接触受電機器により受信中の前記電力の大きさとを記憶する工程と、
(C)工程(A)および工程(B)をすべての行に対して実行し、受信中の前記電力の大きさが最大となる行を特定する工程と、
(D)少なくとも1列の前記給電部による電力伝送を行い、前記載置検出が完了した前記非接触受電機器に第3の応答要求メッセージを送信する工程と、
(E)前記第3の応答要求メッセージに対応する第3の応答メッセージを受信すると、前記第3の応答メッセージに含まれた、前記非接触受電機器の通信アドレスと前記非接触受電機器により受信中の前記電力の大きさとを記憶する工程と、
(F)工程(D)および工程(F)をすべての列に対して実行し、受信中の前記電力の大きさが最大となる列を特定する工程と、
を実行するように構成された請求項1に記載の非接触給電機器。 - 前記給電側の制御部は、前記給電側の通信部が、電力受信中の前記非接触受電機器に前記第4の応答要求メッセージを送信した後、電力受信中の前記非接触受電機器から所定の期間、前記第4の応答メッセージを受信しない場合、電力伝送の対象から給電中の前記非接触受電機器を除外するように構成された請求項2に記載の非接触給電機器。
- 前記給電側の制御部は、電力伝送の対象から電力受信中の前記非接触受電機器を除外した後、前記載置検出を実行するように構成された請求項3に記載の非接触給電機器。
- 前記給電側の制御部は、電力伝送の対象から除外された前記非接触受電機器が再び載置されると、前記非接触受電機器を再び電力伝送の対象として登録するように構成された請求項4に記載の非接触給電機器。
- 非接触給電機器から非接触で伝送された電力を受信する非接触受電機器であって、前記非接触受電機器は、前記電力を受信する受電部と、通信パケットの送受信を行う受電側の通信部と、前記受電部により受信中の前記電力を計測する電力計測部とを備え、
前記受電側の通信部は、前記非接触受電機器の載置検出のための応答要求メッセージを受信すると、対応の応答メッセージを送信し、
前記受電側の通信部は、前記非接触受電機器の載置位置の特定のための応答要求メッセージを受信すると、対応の応答メッセージを送信し、
前記受電側の通信部は、伝送される前記電力の制御のための応答要求メッセージを受信すると、前記電力計測部により計測された前記電力の大きさを応答メッセージとして送信するように構成された非接触受電機器。 - 前記非接触受電機器は、負荷と、前記非接触受電機器が載置されると閉成し、前記給電部から伝送された電力を前記負荷に供給し、前記非接触受電機器が持ち上げられると開成し、前記負荷への前記電力の供給を停止させるスイッチング部とをさらに備え、
前記受電側の通信部は、前記スイッチング部が開成すると、前記非接触受電機器の移動を示す応答メッセージを送信するように構成された請求項6に記載の非接触受電機器。 - 請求項1に記載の非接触給電機器と請求項6に記載の非接触受電機器とを備えた非接触電力伝送システム。
- 前記電力を前記非接触給電機器から受信して前記非接触受電機器に伝送し、前記通信パケットを前記非接触給電機器および前記非接触受電機器の間で送受信するアダプタ機器をさらに備え、
前記受電側の通信部は、前記通信パケットを送受信するために負荷変調された前記電力を受信する受電通信部であり、
前記非接触給電機器は、商用電源のゼロクロス点を検出するゼロクロス検出部をさらに備え、前記給電側の通信部は、前記ゼロクロス点のタイミングを前記アダプタ機器に送信するように構成され、
前記アダプタ機器は、前記受電通信部に非接触で前記電力を伝送するとともに、前記受電通信部との間で前記通信パケットを送受信する給電通信部と、前記給電側の通信部と通信するアダプタ側の通信部とを有し、
前記給電側の通信部は、前記ゼロクロス点のタイミングを前記アダプタ側の通信部に送信し、前記給電通信部は、前記ゼロクロス点に応じて前記電力を伝送するとともに前記通信パケットの送受信を行い、
前記給電側の制御部は、電力制御のために、前記給電側の通信部が受信した前記通信パケットに応じて前記給電部を制御するように構成された請求項8に記載の非接触電力伝送システム。 - 前記アダプタ機器は、前記非接触給電機器から非接触で伝送された前記電力を受信するアダプタ側の受電部をさらに有し、
前記給電側の制御部は、前記非接触受電機器の載置位置を特定するために、前記アダプタの受電部と前記給電部との組み合わせを特定するように構成された請求項9に記載の非接触電力伝送システム。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011283489.XA CN112234720B (zh) | 2015-05-19 | 2016-05-12 | 非接触供电设备 |
ES16796089T ES2721524T3 (es) | 2015-05-19 | 2016-05-12 | Aparato de suministro de potencia sin contacto y aparato de recepción de potencia sin contacto, y sistema de transmisión de potencia sin contacto proporcionado con los mismos |
EP16796089.7A EP3300213B1 (en) | 2015-05-19 | 2016-05-12 | Non-contact power supplying appliance and non-contact power receiving appliance, and non-contact power transmitting system provided therewith |
JP2017518751A JP6751853B2 (ja) | 2015-05-19 | 2016-05-12 | 非接触給電機器および非接触受電機器、ならびに、これらを備えた非接触電力伝送システム |
CN201680002283.0A CN106716780B (zh) | 2015-05-19 | 2016-05-12 | 非接触供电设备、非接触受电设备以及具备它们的非接触电力传送*** |
US15/503,042 US10340744B2 (en) | 2015-05-19 | 2016-05-12 | Non-contact power supplying appliance and non-contact power receiving appliance, and non-contact power transmitting system provided therewith |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015101858 | 2015-05-19 | ||
JP2015-101858 | 2015-05-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2016185693A1 true WO2016185693A1 (ja) | 2016-11-24 |
Family
ID=57319727
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2016/002324 WO2016185693A1 (ja) | 2015-05-19 | 2016-05-12 | 非接触給電機器および非接触受電機器、ならびに、これらを備えた非接触電力伝送システム |
Country Status (6)
Country | Link |
---|---|
US (1) | US10340744B2 (ja) |
EP (1) | EP3300213B1 (ja) |
JP (1) | JP6751853B2 (ja) |
CN (3) | CN112234721A (ja) |
ES (1) | ES2721524T3 (ja) |
WO (1) | WO2016185693A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017170107A1 (ja) * | 2016-03-29 | 2017-10-05 | パナソニックIpマネジメント株式会社 | 非接触給電機器とこれを備えた非接触電力伝送システム |
JP2019009975A (ja) * | 2017-06-28 | 2019-01-17 | 金寶電子工業股▲ふん▼有限公司 | ワイヤレス充電システム及びワイヤレス充電方法 |
JP2020536479A (ja) * | 2018-03-29 | 2020-12-10 | ノク9 アイピー アクティエボラーグ | ワイヤレス電力送電装置を試験するための試験装置および関連する方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US11689856B2 (en) | 2015-11-19 | 2023-06-27 | The Lovesac Company | Electronic furniture systems with integrated induction charger |
CN109417408B (zh) * | 2016-07-13 | 2021-10-26 | 索尼公司 | 无线通信设备和无线通信方法 |
WO2020039500A1 (ja) * | 2018-08-21 | 2020-02-27 | 三菱電機株式会社 | 非接触給電システム、非接触給電用の受電機器、および、非接触給電用の受電機器による起動信号送信方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009271846A (ja) * | 2008-05-09 | 2009-11-19 | Harumi Takeda | ワイヤレスマウスの非接触給電システム |
JP2014050271A (ja) * | 2012-09-03 | 2014-03-17 | Toshiba Corp | 送電装置、受電装置および無線電力伝送システム |
JP2014220973A (ja) * | 2013-05-10 | 2014-11-20 | 船井電機株式会社 | 充電装置および充電方法 |
JP2015042092A (ja) * | 2013-08-22 | 2015-03-02 | キヤノン株式会社 | 送電装置及びその制御方法、コンピュータプログラム |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7378817B2 (en) * | 2003-12-12 | 2008-05-27 | Microsoft Corporation | Inductive power adapter |
KR100792308B1 (ko) * | 2006-01-31 | 2008-01-07 | 엘에스전선 주식회사 | 코일 어레이를 구비한 무접점 충전장치, 무접점 충전시스템 및 충전 방법 |
JP5094426B2 (ja) | 2008-01-08 | 2012-12-12 | 三菱電機株式会社 | 誘導加熱調理器及び誘導加熱調理器の制御方法 |
JP2010045960A (ja) * | 2008-07-16 | 2010-02-25 | Seiko Epson Corp | 送電制御装置、送電装置、受電制御装置、受電装置、電子機器、及び無接点電力伝送方法 |
US8026466B2 (en) * | 2008-09-30 | 2011-09-27 | The Invention Science Fund I | Beam power with receiver impingement detection |
CN103208830B (zh) * | 2008-12-12 | 2016-06-22 | 英特尔公司 | 非接触输电设备的电力传输的控制方法及非接触输电设备 |
JP2011205850A (ja) * | 2010-03-26 | 2011-10-13 | Panasonic Electric Works Co Ltd | 非接触受電装置及び非接触充電システム |
JP5677875B2 (ja) * | 2011-03-16 | 2015-02-25 | 日立マクセル株式会社 | 非接触電力伝送システム |
WO2012169047A1 (ja) * | 2011-06-09 | 2012-12-13 | トヨタ自動車株式会社 | 受電装置、車両、および非接触給電システム |
US20140238978A1 (en) * | 2011-09-14 | 2014-08-28 | Panasonic Corporation | Non-contact power receiving device and non-contact power transmission device |
KR102023790B1 (ko) * | 2012-02-09 | 2019-09-20 | 도레이 카부시키가이샤 | 탄소 섬유 복합 재료 |
US9018898B2 (en) * | 2012-02-10 | 2015-04-28 | Sandisk Technologies Inc. | Regulation of wirelessly charging multiple devices from the same source |
CN104272557B (zh) * | 2012-05-11 | 2016-11-16 | 丰田自动车株式会社 | 输电装置、受电装置、车辆以及非接触供电*** |
US20150061398A1 (en) | 2012-09-03 | 2015-03-05 | Kabushiki Kaisha Toshiba | Power Transmitting Apparatus, Power Receiving Apparatus, and Wireless Power Transmission System |
JP6092678B2 (ja) * | 2013-03-25 | 2017-03-08 | 日立マクセル株式会社 | 非接触電力伝送システム |
US10263469B2 (en) * | 2013-06-04 | 2019-04-16 | Koninklijke Philips N.V. | Wireless inductive power transfer |
WO2014204158A1 (en) * | 2013-06-16 | 2014-12-24 | Lg Electronics Inc. | Wireless power transfer method, apparatus and system |
CN103414258A (zh) * | 2013-08-13 | 2013-11-27 | 沈阳华立德电子科技有限公司 | 无线充电接收器 |
JP6242311B2 (ja) * | 2013-10-29 | 2017-12-06 | パナソニック株式会社 | 無線送電装置及び無線電力伝送システム |
CN103560562B (zh) * | 2013-11-11 | 2016-05-18 | 天津工业大学 | 位置自适应无线充电耦合器 |
US9608465B2 (en) * | 2014-04-18 | 2017-03-28 | Qualcomm Incorporated | Devices, systems, and method for power control of dynamic electric vehicle charging systems |
US9438315B2 (en) * | 2014-07-03 | 2016-09-06 | ConvenientPower HK Ltd. | Wireless power adapter |
JP6859254B2 (ja) * | 2014-08-12 | 2021-04-21 | アップル インコーポレイテッドApple Inc. | 電力伝送システムおよび方法 |
CN107078549A (zh) * | 2014-11-06 | 2017-08-18 | 富士通株式会社 | 受电器、以及电力传送*** |
WO2016132559A1 (ja) * | 2015-02-20 | 2016-08-25 | 富士通株式会社 | 受電器、及び、電力伝送システム |
US10340749B2 (en) * | 2015-03-04 | 2019-07-02 | Lg Electronics Inc. | Wireless power transmitter and receiver |
-
2016
- 2016-05-12 WO PCT/JP2016/002324 patent/WO2016185693A1/ja active Application Filing
- 2016-05-12 CN CN202011283817.6A patent/CN112234721A/zh active Pending
- 2016-05-12 CN CN201680002283.0A patent/CN106716780B/zh active Active
- 2016-05-12 CN CN202011283489.XA patent/CN112234720B/zh active Active
- 2016-05-12 ES ES16796089T patent/ES2721524T3/es active Active
- 2016-05-12 US US15/503,042 patent/US10340744B2/en active Active
- 2016-05-12 JP JP2017518751A patent/JP6751853B2/ja active Active
- 2016-05-12 EP EP16796089.7A patent/EP3300213B1/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2009271846A (ja) * | 2008-05-09 | 2009-11-19 | Harumi Takeda | ワイヤレスマウスの非接触給電システム |
JP2014050271A (ja) * | 2012-09-03 | 2014-03-17 | Toshiba Corp | 送電装置、受電装置および無線電力伝送システム |
JP2014220973A (ja) * | 2013-05-10 | 2014-11-20 | 船井電機株式会社 | 充電装置および充電方法 |
JP2015042092A (ja) * | 2013-08-22 | 2015-03-02 | キヤノン株式会社 | 送電装置及びその制御方法、コンピュータプログラム |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017170107A1 (ja) * | 2016-03-29 | 2017-10-05 | パナソニックIpマネジメント株式会社 | 非接触給電機器とこれを備えた非接触電力伝送システム |
JP2019009975A (ja) * | 2017-06-28 | 2019-01-17 | 金寶電子工業股▲ふん▼有限公司 | ワイヤレス充電システム及びワイヤレス充電方法 |
JP2020536479A (ja) * | 2018-03-29 | 2020-12-10 | ノク9 アイピー アクティエボラーグ | ワイヤレス電力送電装置を試験するための試験装置および関連する方法 |
US11125831B2 (en) | 2018-03-29 | 2021-09-21 | Electdis Ab | Testing device for testing wireless power transmitter device and associated method |
Also Published As
Publication number | Publication date |
---|---|
JP6751853B2 (ja) | 2020-09-09 |
US10340744B2 (en) | 2019-07-02 |
CN112234720A (zh) | 2021-01-15 |
CN106716780A (zh) | 2017-05-24 |
CN112234721A (zh) | 2021-01-15 |
EP3300213B1 (en) | 2019-01-23 |
CN106716780B (zh) | 2021-01-01 |
ES2721524T3 (es) | 2019-08-01 |
CN112234720B (zh) | 2024-02-09 |
US20170229922A1 (en) | 2017-08-10 |
EP3300213A4 (en) | 2018-04-18 |
JPWO2016185693A1 (ja) | 2018-03-08 |
EP3300213A1 (en) | 2018-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2016185693A1 (ja) | 非接触給電機器および非接触受電機器、ならびに、これらを備えた非接触電力伝送システム | |
US11817917B2 (en) | Wireless power transferring method and device therefor | |
KR102607753B1 (ko) | 무선 전력 전달 방법 및 이를 위한 장치 | |
US10243620B2 (en) | Wireless power transmission apparatus and method therefor | |
EP3223386B1 (en) | Wireless power transmission device, wireless power reception device, and wireless charging system | |
TWI502842B (zh) | 多用途無線電力系統及其無線電力供應器與遠端裝置 | |
US20100188041A1 (en) | Apparatus supplying electric power to external device | |
EP2884621B1 (en) | System for wirelessly charging electronic tag | |
EP2595319B1 (en) | Wireless switch assembly | |
KR20120068412A (ko) | 무선전력전송방법, 무선전력수신방법, 무선전력전송장치 및 무선전력수신장치 | |
EP4057777A1 (en) | Wpt cooktop device and operation method for same | |
WO2013132750A1 (ja) | 家庭電気機器の動作設定システム | |
WO2018030062A1 (ja) | 給電機器および受電機器、ならびに、これらを備えた電力伝送システム | |
CA2852445A1 (en) | A programmable controller and method, device and system for configuring and updating same | |
KR20150077884A (ko) | 멀티 프로토콜 및 멀티 밴드 안테나를 이용한 무선충전 시스템 및 그 방법 | |
JPWO2017170107A1 (ja) | 非接触給電機器とこれを備えた非接触電力伝送システム | |
KR101773092B1 (ko) | 무선 전력 전송 방법 및 이를 위한 장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 16796089 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2017518751 Country of ref document: JP Kind code of ref document: A |
|
REEP | Request for entry into the european phase |
Ref document number: 2016796089 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2016796089 Country of ref document: EP |
|
NENP | Non-entry into the national phase |
Ref country code: DE |