Wireless power supply system and wireless power supply method

Abstract

Easily configure wireless power transfer between the transmitter and receiver. [Solution] One aspect of the present disclosure is a wireless power supply system comprising: a power receiving unit that receives power transmission radio waves output from a power transmitter; a power transmission management device that receives unique information of the power receiving unit and location information of the mobile terminal device from a mobile terminal device and outputs a power transmission instruction to the power transmitter based on the received unique information and location information; and a power transmitter that outputs power transmission radio waves to the power receiving unit based on the power transmission instruction obtained from the power transmission management device.

Description

[Technical Field]

[0001] The present invention relates to a wireless power feeding system and a wireless power feeding method. [Background Art]

[0002] Conventionally, a technology for supplying power from a wireless power transmitter to a power receiver by wireless power feeding is known. For example, the wireless power transmission system described in Patent Document 1 always uses full-duplex for beacon transmission, transmits beacons when transmitting power to one or more wireless power receiver clients, and transmits wireless power to a plurality of wireless power receiver clients, and the plurality of wireless power receiver clients receive and process wireless power from one or more wireless power transmission systems. The charging device described in Patent Document 2 acquires charging target information including at least identification information of the charging target device when the charging target device is connected to a charging unit, and generates charging information including a charging priority for charging the charging target device based on information of the remaining power value of a battery provided in an electronic device, electronic device information, and the identification information included in the charging target information. [Prior Art Documents] [Patent Documents]

[0003] [Patent Document 1] Japanese Patent No. 7516443 [Patent Document 2] International Publication No. 2024 / 171853 [Summary of the Invention] [Problem to be Solved by the Invention]

[0004] In wireless power supply systems that wirelessly supply power from a transmitter to a receiver, communication interruptions may occur between the transmitter and receiver during pre-registered power transmission and reception processes. Furthermore, adding a new receiver to a transmitter often involves a cumbersome process of pairing the transmitter and receiver and registering them with the wireless power supply system.

[0005] This disclosure is made in view of these circumstances and aims to provide a wireless power supply system and a wireless power supply method that enable easy configuration of wireless power supply between a power transmitter and a power receiver. [Means for solving the problem]

[0006] This disclosure has been made to solve the above-mentioned problems, and one aspect of this disclosure is a wireless power supply system comprising: a power receiving device that receives power transmission radio waves output from a power transmitter; a power transmission management device that receives unique information of the power receiving device and location information of the mobile terminal device from a mobile terminal device and outputs a power transmission instruction to the power transmitter based on the received unique information and location information; and a power transmitter that outputs power transmission radio waves to the power receiving device based on the power transmission instruction obtained from the power transmission management device.

[0007] Another aspect of the present disclosure is a wireless power supply method comprising the steps of: a mobile terminal device reading unique information assigned to a power receiver; the mobile terminal device transmitting the unique information and the location information of the mobile terminal device to a power transmission management device; the power transmission management device receiving the unique information of the power receiver and the location information of the mobile terminal device from the mobile terminal device and outputting a power transmission instruction to a power transmitter based on the received unique information and location information; the power transmitter outputting a power transmission radio wave to the power receiver based on the power transmission instruction obtained from the power transmission management device; and the power receiver receiving the power transmission radio wave output from the power transmitter. [Effects of the Invention]

[0008] According to one aspect of the present invention, wireless power supply between a power transmitter and a power receiver can be easily configured. [Brief explanation of the drawing]

[0009] [Figure 1] A block diagram showing another example of the wireless power supply system 1 in the embodiment. [Figure 2] This is a sequence diagram showing an example of the operation procedure of the wireless power supply system 1 in the embodiment. [Figure 3] This flowchart shows an example of the operation procedure of the power transmission control system 700 in the embodiment. [Figure 4] This flowchart shows another example of the operation procedure of the power transmission control system 700 in the embodiment. [Figure 5] This flowchart shows another example of the operation procedure of the power transmission control system 700 in the embodiment. [Figure 6] This flowchart shows another example of the operation procedure of the power transmission control system 700 in the embodiment. [Figure 7] This flowchart shows another example of the operation procedure of the power transmission control system 700 in the embodiment. [Figure 8] This flowchart shows another example of the operation procedure of the power transmission control system 700 in the embodiment. [Modes for carrying out the invention]

[0010] Hereinafter, a wireless power supply system and a wireless power supply method to which the present invention is applied will be described with reference to the drawings.

[0011] Figure 1 is a block diagram showing another example of the wireless power supply system 1 in the embodiment. The wireless power supply system 1 includes, for example, a power transmitter 100, a portable terminal device 200, a power receiver 300, an edge processing unit 310, an antenna unit 420, a plurality of target items 500, an access point 600, a power transmission control system 700, and an inventory management system 710.

[0012] In this embodiment, the power transmitter 100 and the power receiver 300 transmit power using existing wireless communication methods, such as microwaves. The power receiver 300 and the electronic device 400 may exchange information with each other using existing wireless communication technologies such as WiFi®, BLE (Bluetooth Low Energy), and LPWA (Low Power Wide Area), and the power transmitter 100 and the power receiver 300 may exchange information with each other using existing wireless communication technologies such as WiFi®.

[0013] The power transmitter 100 wirelessly supplies power to the power receiver 300 by outputting a power transmission radio wave to the power receiver 300. The power transmitter 100 includes, for example, a power transmitting antenna and an analog circuit for supplying power to the power transmitting antenna. The power transmitter 100 transmits power transmission radio waves using power from a battery or commercial power source based on power transmission instructions obtained from the power transmission control system 700 via the access point 600. The power transmitter 100 may also control, for example, the amplitude, frequency, and direction of the power transmission radio waves.

[0014] The mobile terminal device 200 is an information processing device such as a smartphone owned by the user. The mobile terminal device 200 activates its camera and NFC circuit to read the unique information of the power receiver 300. The unique information of the power receiver 300 is, for example, identification information that uniquely identifies the power receiver 300. The mobile terminal device 200 also acquires its own location information derived by the GPS processing unit. The mobile terminal device 200 transmits the unique information of the power receiver 300 and its own location information to the power transmission control system 700 via the access point 600.

[0015] For example, when there is a communication abnormality in the power receiver 300 or when installing a new power receiver 300, the user causes the mobile terminal device 200 to read the unique information of the power receiver 300, and causes the mobile terminal device 200 to transmit the read unique information to the power transmission control system 700. The communication abnormality of the power receiver 300 is, for example, that although the reader / writer 410 is operated by receiving power transmission from the power transmitter 100, the operation of the power receiver 300 stops due to communication interruption.

[0016] The power receiver 300 includes, for example, a power receiving unit 302 and a reader / writer 410 wired-connected to the power receiving unit 302. The power receiving unit 302 receives power transmission radio waves output from the power transmitter 100, and supplies electric power to the reader / writer 410. The reader / writer 410 performs processing for performing wireless communication in, for example, UHF (Ultra High Frequency). The reader / writer 410 causes the antenna unit 420 to transmit UHF-band radio waves, and receives the UHF-band radio waves returned from the UHF tag 502 via the antenna unit 420.

[0017] The edge processing unit 310 is a communication device that is, for example, wired-connected to the power receiver 300 and communicatively connected to the access point 600. The edge processing unit 310 transmits information acquired from the reader / writer 410 to the access point 600 via wireless communication.

[0018] The target article 500 is an article whose inventory is managed by the inventory management system 710. A UHF tag 502 is attached to each of the target articles 500. In response to receiving a radio wave from the antenna unit 420, the UHF tag 502 returns a radio wave including tag information indicating a tag ID and information related to the target article 500.

[0019] The access point 600 is a communication device that is wirelessly connected to the power transmitter 100 and the edge processing unit 310, and is communicatively connected to the power transmission control system 700 and the inventory management system 710 via a communication network such as the Internet.

[0020] The power transmission control system 700 is, for example, a power transmission management device for controlling the operation of an access point 600 and a power transmitter 100. The power transmission control system 700 communicates with the power transmitter 100 and the mobile terminal device 200 via the access point 600 and controls the power transmission of the power transmitter 100. In this embodiment, the access point 600 and the power transmission control system 700 function as a power transmission system that controls the power transmission of the power transmitter 100. The power transmission control system 700 receives unique information of the power receiver 300 and location information of the mobile terminal device 200 from the mobile terminal device 200, and outputs a power transmission instruction to the power transmitter 100 based on the received unique information and location information.

[0021] The inventory management system 710 is a server device that manages the inventory of the target items 500. The inventory management system 710 acquires tag information returned by the UHF tag 502 via the power transmission control system 700 and performs management processing such as registering, updating, or deleting the tag information. The inventory management system 710 transmits inventory information based on the tag information to, for example, the terminal device of a user who manages the target items 500.

[0022] Figure 2 is a sequence diagram showing an example of the operation procedure of the wireless power supply system 1 in the embodiment. The power receiver 300 is pre-assigned unique information (step ST10). The power receiver 300 may, for example, have a sticker attached that displays a code for reading the unique information, or it may have an NFC tag attached that can be read by an NFC circuit. The mobile terminal device 200 reads unique information S100 from the receiver 300 by the user and transmits the unique information of the receiver 300 and the location information S102 of the mobile terminal device 200 to the access point 600.

[0023] The access point 600 receives unique information of the power receiver 300 and location information S102 of the mobile terminal device 200 from the mobile terminal device 200, and relays it to the power transmission control system 700. Upon receiving the unique information of the power receiver 300 and the location information S102 of the mobile terminal device 200, the power transmission control system 700 transmits the location information of the mobile terminal device 200 to the access point 600 as the location information S104 of the power receiver 300, and the access point 600 relays the location information S104 of the power receiver 300 to the power transmitter 100. The power transmission control system 700 may transmit the location information S104 of the power receiver 300 to the power transmitter 100 located closest to the location indicated by the location information S102 of the mobile terminal device 200, or it may transmit the location information S104 of the power receiver 300 to multiple power transmitters 100 located within the range to which power can be transmitted to the location information S102 of the mobile terminal device 200. If the relationship between the unique information of the power receiver 300 and the power transmitter 100 has been registered in advance, the power transmission control system 700 may transmit the location information S104 of the power receiver 300 to the registered power transmitter 100.

[0024] Next, the power transmission control system 700 transmits a power transmission start instruction S108 to the access point 600, and the access point 600 relays the power transmission start instruction S108 to the power transmitter 100. The power transmission control system 700 may send notification information to the mobile terminal device 200 before sending a power transmission instruction to the power transmitter 100, and the mobile terminal device 200 may send permission information indicating permission to transmit power to the power transmission control system 700 based on the user's operation. Upon receiving the permission information, the power transmission control system 700 sends a power transmission start instruction S108 to the power transmitter 100.

[0025] Upon receiving the power transmission start instruction S108, the power transmitter 100 outputs a power transmission radio wave S110 to the power receiver 300. The power receiver 300 receives the power transmission radio wave S110, generates power, starts charging, and activates the reader / writer 410 (step ST16).

[0026] The reader / writer 410 starts reading the tag information by transmitting a UHF radio wave S112 to the UHF tag 502, and the UHF tag 502 returns a UHF radio wave S114 containing the tag information to the reader / writer 410 in response to the UHF radio wave S112.

[0027] The edge processing unit 310 transmits the tag information S116 contained in the UHF radio wave S114 to the access point 600 as the read information for the UHF tag 502. The access point 600 transmits the tag information S116 obtained from the edge processing unit 310 to the power transmission control system 700.

[0028] The power transmission control system 700 outputs tag information S116 to the inventory management system 710, and the inventory management system 710 registers the tag information S116 (step ST18). In response to updating the tag information S116, the inventory management system 710 sends a power transmission stop instruction S118 to the access point 600 via the power transmission control system 700, and the access point 600 sends the power transmission stop instruction S118 to the power transmitter 100. The power transmitter 100 stops power transmission in accordance with the power transmission stop instruction S118.

[0029] Figure 3 is a sequence diagram showing an example of the operation procedure of the wireless power supply system 1 in the embodiment. The power receiver 300 is pre-assigned unique information (step ST10). The power receiver 300 may, for example, have a sticker attached that displays a code for reading the unique information, or it may have an NFC tag attached that can be read by an NFC circuit. The mobile terminal device 200 reads unique information S100 from the receiver 300 by the user and transmits the unique information of the receiver 300 and the location information S102 of the mobile terminal device 200 to the access point 600.

[0030] The access point 600 receives unique information of the power receiver 300 and location information S102 of the mobile terminal device 200 from the mobile terminal device 200, and relays it to the power transmission control system 700. Upon receiving the unique information of the power receiver 300 and the location information S102 of the mobile terminal device 200, the power transmission control system 700 transmits the location information of the mobile terminal device 200 to the access point 600 as the location information S104 of the power receiver 300, and the access point 600 relays the location information S104 of the power receiver 300 to the power transmitter 100. The power transmission control system 700 may transmit the location information S104 of the power receiver 300 to the power transmitter 100 located closest to the location indicated by the location information S102 of the mobile terminal device 200, or it may transmit the location information S104 of the power receiver 300 to multiple power transmitters 100 located within the range to which power can be transmitted to the location information S102 of the mobile terminal device 200. If the relationship between the unique information of the power receiver 300 and the power transmitter 100 has been registered in advance, the power transmission control system 700 may transmit the location information S104 of the power receiver 300 to the registered power transmitter 100.

[0031] The power transmitter 100 transmits the location information S106 of the power receiver 300 to the access point 600, and the access point 600 relays the location information S106 of the power receiver 300 to the power transmission control system 700. At this time, the power transmitter 100 may transmit the power transmission radio waves by controlling the transmission distance (power value) and transmission direction based on the location information S104 of the power receiver 300 so that power can be received at the location information S104 of the power receiver 300. If the necessary power is obtained at the power receiver 300, the power transmitter 100 transmits location information S106 to the access point 600 indicating the same location as the location information S104 of the power receiver 300. The access point 600 relays the location information S106 of the power receiver 300 to the power transmission control system 700. If the power receiving unit 300 does not have the necessary power, the power transmission unit 100 adjusts the transmission distance and transmission direction so that the power receiving unit 300 has the optimal power, and transmits the corrected position information S104 of the power receiving unit 300 to the access point 600, and the access point 600 relays the position information S106 to the power transmission control system 700. The power transmission unit 100 may also make a determination as to whether or not the necessary power is available at the location of the power receiving unit 300, and may obtain a determination result from the power transmission control system 700 indicating whether or not the necessary power is available at the location of the power receiving unit 300.

[0032] The power transmission control system 700 confirms the location information S106 of the power receiver 300 received from the power transmitter 100 and sends a power transmission start instruction S108 to the access point 600 (step ST14). The access point 600 relays the power transmission start instruction S108 to the power transmitter 100. At this time, the power transmission control system 700 may obtain the location information of the power receiver 300, to which unique information has been added, from the power transmitter 100, and correct the location information of the mobile terminal device 200 to the location information of the power receiver 300, to which unique information has been added, obtained by the power transmitter 100. This allows the power transmission control system 700 to send a power transmission start instruction S108 to the power transmitter 100 to transmit power to the location indicated by the corrected location information.

[0033] The power transmission control system 700 may send notification information to the mobile terminal device 200 before sending a power transmission instruction to the power transmitter 100, and the mobile terminal device 200 may send permission information indicating permission to transmit power to the power transmission control system 700 based on the user's operation. Upon receiving the permission information, the power transmission control system 700 sends a power transmission start instruction S108 to the power transmitter 100.

[0034] Upon receiving the power transmission start instruction S108, the power transmitter 100 outputs a power transmission radio wave S110 to the power receiver 300. The power receiver 300 receives the power transmission radio wave S110, generates power, starts charging, and activates the reader / writer 410 (step ST16).

[0035] The reader / writer 410 starts reading the tag information by transmitting a UHF radio wave S112 to the UHF tag 502, and the UHF tag 502 returns a UHF radio wave S114 containing the tag information to the reader / writer 410 in response to the UHF radio wave S112.

[0036] The edge processing unit 310 transmits the tag information S116 contained in the UHF radio wave S114 to the access point 600 as the read information for the UHF tag 502. The access point 600 transmits the tag information S116 obtained from the edge processing unit 310 to the power transmission control system 700.

[0037] The power transmission control system 700 outputs tag information S116 to the inventory management system 710, and the inventory management system 710 registers the tag information S116 (step ST18). In response to updating the tag information S116, the inventory management system 710 sends a power transmission stop instruction S118 to the access point 600 via the power transmission control system 700, and the access point 600 sends the power transmission stop instruction S118 to the power transmitter 100. The power transmitter 100 stops power transmission in accordance with the power transmission stop instruction S118.

[0038] The wireless power supply system 1 described above may operate as explained with reference to Figure 2, but is not limited to this, and may also operate as shown in Figures 4 to 8. Figure 4 is a flowchart showing an example of the operation procedure of the power transmission control system 700 in the embodiment. The power transmitter 100 acquires location information of the power receiver 300 to which unique information has been assigned, and the power transmission control system 700 (power transmission management device) may modify the location information of the mobile terminal device 200 to the location information of the power receiver 300 to which unique information has been assigned, acquired by the power transmitter 100. First, the power transmission control system 700 obtains unique information and location information of the power receiver 300 from the mobile terminal device 200 (step ST100), and obtains unique information and location information of the power receiver 300 from the power transmitter 100 (step ST102). The power transmission control system 700 determines whether the location information obtained from the mobile terminal device 200 matches the location information obtained from the power transmitter 100 (step ST104). If they match, it sends a power transmission start instruction to the power transmitter 100 (step ST106). If they do not match, it requests new location information from the mobile terminal device 200 (step ST108). This allows the power transmission control system 700 to correct the location information of the power receiver 300 and transmit power from the power transmitter 100 to the power receiver 300.

[0039] Figure 5 is a flowchart showing another example of the operation procedure of the power transmission control system 700 in the embodiment. The power transmission control system 700 may output a power transmission instruction to the power transmitter 100 if the correspondence between the unique information and location information of the power receiver 300 received from the mobile terminal device 200 matches a pre-registered correspondence between the unique information and location information of the power receiver 300. For example, when a new power receiver 300 is installed, the power transmission control system 700 stores the unique information and installation location of the power receiver 300. Also, for example, if there is a power receiver 300 related to an abnormality, the power transmission control system 700 stores the unique information and installation location of that power receiver 300. First, the power transmission control system 700 obtains unique information and location information from the mobile terminal device 200 (step ST100), and obtains unique information and location information of the registered power receiver 300 (step ST102A). The power transmission control system 700 determines whether the location information of the power receiver 300 obtained from the mobile terminal device 200 matches the location information of the registered power receiver 300 (step ST104A). If they match, it sends a power transmission start instruction to the power transmission unit 100 (step ST106). If they do not match, it requests new location information from the mobile terminal device 200 (step ST108). As a result, the power transmission control system 700 can correct the location information of the power receiver 300 and transmit power from the power transmission unit 100 to the power receiver 300.

[0040] Figure 6 is a flowchart showing another example of the operation procedure of the power transmission control system 700 in the embodiment. The power transmission control system 700 may cause the power transmission unit 100 to transmit power assuming that the power receiver 300, to which unique information has been assigned, is located in the location information of the mobile terminal device 200, and may modify the location information of the power receiver 300 so that the power received by the power receiver 300 to which unique information has been assigned becomes a predetermined power. First, the power transmission control system 700 acquires unique information and location information from the mobile terminal device 200 (step ST100) and sends a power transmission start instruction to the power transmitter 100 (step ST110). Subsequently, the power transmission control system 700 acquires unique information and received power information of the power receiver 300 from the edge processing unit 310 (step ST112). The power transmission control system 700 determines whether the power received by the power receiver 300 has reached a predetermined power (step ST114), and if it has reached a predetermined power, it terminates the processing in this flowchart and instructs the power transmitter 100 to continue power transmission. If the power received by the power receiver 300 has not reached a predetermined power, the power transmission control system 700 corrects the location information of the power receiver 300 (step ST116) and sends a power transmission start instruction to transmit power to the location indicated by the corrected location information (step ST118).

[0041] Figure 7 is a flowchart showing another example of the operation procedure of the power transmission control system 700 in the embodiment. The power transmission control system 700 may cause the power transmitter 100 to transmit power assuming that the power receiver 300, to which unique information has been assigned, is located in the location information of the mobile terminal device 200, and may control the power transmission value and transmission direction of the power transmitter 100 so that the power received by the power receiver 300 to which unique information has been assigned becomes a predetermined power received. First, the power transmission control system 700 acquires unique information and location information from the mobile terminal device 200 (step ST100) and sends a power transmission start instruction to the power transmitter 100 (step ST110). Subsequently, the power transmission control system 700 acquires unique information and received power information of the power receiver 300 from the edge processing unit 310 (step ST112). The power transmission control system 700 determines whether the power received by the power receiver 300 has reached a predetermined power (step ST114), and if it has reached a predetermined power, it terminates the processing in this flowchart and instructs the power transmitter 100 to continue transmitting power. If the power received by the power receiver 300 has not reached a predetermined power, the power transmission control system 700 corrects the power transmission value and power transmission direction of the power transmitter 100 (step ST120) and sends a power transmission start instruction indicating the corrected power transmission value and power transmission direction (step ST122).

[0042] Figure 8 is a flowchart showing another example of the operation procedure of the power transmission control system 700 in the embodiment. The power transmission control system 700 may instruct the power transmission unit 100 to transmit power to the area surrounding the location of the power receiver 300 (location of the mobile terminal device 200) to which unique information has been assigned. If the power received by the power receiver 300 to which unique information has been assigned has not reached a predetermined power level, the system may expand the power transmission area centered on the location of the power receiver 300 to which unique information has been assigned and restart power transmission to search for an area where the predetermined power level can be obtained. First, the power transmission control system 700 acquires unique information and location information from the mobile terminal device 200 (step ST100) and sends a power transmission start instruction to the power transmitter 100 (step ST110). At this time, the power transmission control system 700 causes the power transmission system 700 to perform multiple patterns of power transmission to the surrounding coordinates centered on the power receiver 300 to which unique information has been assigned. One example of multiple patterns of power transmission is dividing the power transmission range into eight grid areas and performing power transmission to each area.

[0043] Subsequently, the power transmission control system 700 obtains unique information and received power information of the power receiver 300 from the edge processing unit 310 and determines whether the power received by the power receiver 300 has reached a predetermined power level (step ST132). If the predetermined power level has been reached (step ST132: YES), the power transmission control system 700 controls the power transmitter 100 to transmit power to the area with the highest power level among the multiple areas that meet the predetermined power level, and terminates the processing of this flowchart (step ST134). This allows the power transmission control system 700 to transmit power from the power transmitter 100 while searching for the location of the power receiver 300 to which unique information has been assigned.

[0044] If the predetermined power reception power has not been reached (step ST132: NO), the power transmission control system 700 determines whether or not power transmission has been performed a predetermined number of times (step ST136). If the predetermined number of power transmissions has not been reached (step ST136: NO), the power transmission control system 700 expands the area of ​​the power transmission pattern centered on the location of the power receiver 300 to which unique information has been assigned, and causes the power transmitter 100 to perform power transmission. For example, if power transmission is performed with a transmission range of 8 squares, but the predetermined power reception power has not been reached, the transmission range is expanded to 27 squares and power transmission is performed. Subsequently, when the predetermined power reception power is reached, the power transmission control system 700 can control the power transmitter 100 to transmit power to the area with the highest power reception power among multiple areas (step ST132: YES, step ST134).

[0045] If the power transmission control system 700 determines that it has performed power transmission a predetermined number of times (step ST136: YES), it returns to step ST100. This allows it to reacquire the unique information of the power receiver 300 and the location information of the mobile terminal device 200, and repeat the processing from step ST110 onward.

[0046] According to the wireless power supply system 1 described above, the power transmission control system 700 receives unique information of the power receiver 300 and location information of the mobile terminal device 200, outputs a power transmission instruction to the power transmitter 100 based on the received unique information and location information, and the power transmitter 100 can output a power transmission radio wave to the power receiver 300 based on the power transmission instruction obtained from the power transmission control system 700. With this wireless power supply system 1, wireless power supply between the power transmitter 100 and the power receiver 300 can be easily set up by reading the unique information of the power receiver 300 with the mobile terminal device 200 and transmitting it to the power transmission control system 700.

[0047] Furthermore, according to the wireless power supply system 1, the transmitter 100 acquires the location information of the receiver 300 to which unique information has been assigned, and the power transmission control system 700 can correct the location information of the mobile terminal device 200 to the location information of the receiver 300 to which unique information has been assigned, acquired by the transmitter 100. According to this wireless power supply system 1, even if the location acquired by the GPS processing unit of the mobile terminal device 200 is different from the actual location of the receiver 300, the location information of the receiver 300 can be acquired from the transmitter 100 and the location of the receiver 300 can be corrected.

[0048] Furthermore, according to the wireless power supply system 1, if the correspondence between the unique information and location information of the power receiver 300 received from the power transmission control system 700 matches the correspondence between the unique information and location information of the power receiver 300 that has been registered in advance, a power transmission instruction can be output to the power transmitter 100. Thus, according to the wireless power supply system 1, if the unique information and location information of the power receiver 300 are registered in the power transmission control system 700 in advance, wireless power supply between the power transmitter 100 and the power receiver 300 can be easily set up.

[0049] Furthermore, according to the wireless power supply system 1, the power transmission control system 700 can cause the power transmitter 100 to transmit power assuming that the power receiver 300, to which unique information has been assigned, is located in the location information of the mobile terminal device 200, and can correct the location information of the power receiver 300 so that the power received by the power receiver 300, to which unique information has been assigned, becomes a predetermined power. In addition, according to the wireless power supply system 1, the power transmission control system 700 can cause the power transmitter 100 to transmit power assuming that the power receiver 300, to which unique information has been assigned, is located in the location information of the mobile terminal device 200, and can control the power transmission value and transmission direction of the power transmitter 100 so that the power received by the power receiver 300, to which unique information has been assigned, becomes a predetermined power. Thus, according to the wireless power supply system 1, even if the position acquired by the GPS processing unit of the mobile terminal device 200 deviates from the actual position of the power receiver 300, the position of the power receiver 300 can be corrected according to the power received when the power receiver 300 receives power from the power transmitter 100.

[0050] Furthermore, according to the wireless power supply system 1, the power transmission control system 700 can send notification information to the mobile terminal device 200 before sending a power transmission instruction to the power transmitter 100, and the mobile terminal device 200 can send permission information indicating permission to transmit power to the power transmission management device based on the user's operation. As a result, the wireless power supply system 1 can notify the user that power transmission to the power receiver 300 has started and allow them to confirm that the power transmission setting from the power transmitter 100 to the power receiver 300 has been completed.

[0051] The functions of the power transmitter 100 in the above-described embodiment may be implemented using a computer. In that case, the functions may be implemented by recording a program for implementing these functions on a computer-readable recording medium, loading the program recorded on this recording medium into a computer system, and executing it. Here, "computer system" includes hardware such as an OS and peripheral devices. Furthermore, "computer-readable recording medium" refers to portable media such as flexible disks, magneto-optical disks, ROMs, CD-ROMs, and storage devices such as hard disks built into a computer system. Moreover, "computer-readable recording medium" may also include those that dynamically hold programs for a short period of time, such as communication lines used when transmitting programs via networks such as the Internet or communication lines such as telephone lines, and those that hold programs for a certain period of time, such as volatile memory inside a computer system that acts as a server or client in such cases. Furthermore, the above-mentioned program may be for implementing a part of the functions described above, or it may be a program that can implement the above-mentioned functions in combination with a program already recorded in the computer system, or it may be implemented using a programmable logic device such as an FPGA (Field Programmable Gate Array).

[0052] Although various embodiments and variations have been described, these are merely examples and are not limited to these. For example, one embodiment or variation, or a part of one embodiment or variation, may be combined with one or more other embodiments or variations to realize one aspect of the present invention. [Explanation of Symbols]

[0053] 1. Wireless power supply system 100 Power Transmitters 200 Mobile terminal devices 300 Power receiver 302 Power receiving section 310 Edge Processing Unit 400 Electronic equipment 410 Reader / Writer 420MHz to UHF antenna section 420 Antenna section 420 Antenna section 500 items 502 UHF tag 600 access points 700 Power transmission control system 710 Inventory Management System

Claims

1. A receiver that receives the power transmission radio waves output from the power transmitter, A power transmission management device that receives unique information of the power receiver and location information of the mobile terminal device from the mobile terminal device, and outputs a power transmission instruction to the power transmitter based on the received unique information and location information, A power transmitter that outputs a power transmission radio wave to the power receiver based on the power transmission instruction obtained from the power transmission management device, A wireless power supply system equipped with the following features.

2. The power transmitter acquires the location information of the power receiver to which the unique information has been assigned, The wireless power supply system according to claim 1, wherein the power transmission management device modifies the location information of the mobile terminal device to the location information of the power receiver to which the unique information acquired by the power transmitter has been assigned.

3. The wireless power supply system according to claim 1, wherein the power transmission management device outputs a power transmission instruction to the power transmission device when the correspondence between the unique information and location information of the power receiving device received from the power transmission management device matches a correspondence between the unique information and location information of the power receiving device that has been registered in advance.

4. The wireless power supply system according to claim 1, wherein the power transmission management device causes the power transmission device to transmit power assuming that the power receiver to which the unique information is assigned is located in the location information of the mobile terminal device, and modifies the location information of the power receiver to which the unique information is assigned so that the power received by the power receiver becomes a predetermined power received.

5. The wireless power supply system according to claim 3, wherein the power transmission management device causes the power transmission device to transmit power assuming that the power receiver to which the unique information is assigned is located in the location information of the mobile terminal device, and controls the power transmission value and transmission direction of the power transmission device so that the power received by the power receiver to which the unique information is assigned becomes a predetermined power received.

6. The power transmission management device transmits notification information to the mobile terminal device before transmitting a power transmission instruction to the power transmission machine. The mobile terminal device transmits permission information indicating permission to transmit power to the power transmission management device based on user operation. The wireless power supply system according to claim 1.

7. The wireless power supply system according to claim 1, wherein the power transmission management device causes the power transmission device to transmit power to the area surrounding the location of the mobile terminal device, and if the power received by the power receiver to which the unique information is assigned has not reached a predetermined power received, the power transmission management device expands the power transmission area to which the unique information is assigned and restarts power transmission to search for an area in which the predetermined power received can be obtained.

8. The steps include: the mobile terminal device reading unique information assigned to the power receiver, The steps include: the mobile terminal device transmitting the unique information and the location information of the mobile terminal device to the power transmission management device; The power transmission management device receives unique information of the power receiving device and location information of the mobile terminal device from the mobile terminal device, and outputs a power transmission instruction to the power transmission device based on the received unique information and location information, The steps include: the power transmission unit outputs a power transmission radio wave to the power receiver based on the power transmission instruction obtained from the power transmission management device; The steps include: the receiving device receiving the transmission radio waves output from the transmitting device; A wireless power supply method, including

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