JP6516789B2 - POWER SUPPLY SYSTEM, POWER SUPPLY SYSTEM CONTROL METHOD, MANAGEMENT DEVICE, AND POWER TRANSFER DEVICE - Google Patents

Description

  The present disclosure relates to a power feeding system, a control method of the power feeding system, and a power receiving device.

  Conventionally, a system for wirelessly supplying power to an electronic device is known. In such a system, a system is disclosed in which a charge corresponding to the power supplied to the electronic device is imposed on the user who owns the electronic device (Patent Document 1).

JP, 2015-159720, A

  However, the above system has room for improvement.

The objective of this indication made in view of this point is to provide the electric power feeding system, the control method of an electric power feeding system , the management apparatus, and the power transmission device which were improved.

A power supply system according to an embodiment of the present disclosure is used in a store. The said electric power feeding system is provided with the power transmission apparatus which transmits electric power by radio | wireless, the power receiving apparatus which receives electric power by radio | wireless from the said power transmission apparatus, and a management apparatus. The management device restricts the power transmission based on information on power transmission from the power transmission device to the power receiving device. The information related to the power transmission includes the total power reception time or the received power amount of the power reception device. The management device is configured to pay for the item purchased by the customer associated with the identifier of the power receiving device when the total power receiving time exceeds the time threshold or the received power amount exceeds the power threshold. It is determined that power transmission is being completed, and the power transmission is limited.

A control method of a feed system according to an embodiment of the present disclosure is a control method of a feed system that is used in a store and includes a power transmission device , a power reception device, and a management device. The control method of the power feeding system includes the steps of the power transmission device transmitting power wirelessly, and the power receiving device receiving power wirelessly from the power transmission device. Furthermore, the control method of the power feeding system includes the step of the management device limiting the power transmission based on information on power transmission from the power transmission device to the power receiving device. The information related to the power transmission includes the total power reception time or the received power amount of the power reception device. In the step of limiting the power transmission, when the total power reception time exceeds the time threshold or the received power amount exceeds the power threshold, the management device allows the user associated with the identifier of the power reception device to It is determined that power transmission as compensation for products purchased at the store is being completed, and the power transmission is restricted.

A power supply system according to an embodiment of the present disclosure is used in a store. The said electric power feeding system is provided with the power transmission apparatus which transmits electric power by radio | wireless, and the power receiving apparatus which receives electric power by radio | wireless from the said power transmission apparatus. The power transmission device restricts the power transmission based on information on power transmission from the power transmission device to the power reception device. The information related to the power transmission includes the total power reception time or the received power amount of the power reception device. The power transmission device pays for the item purchased by the user associated with the identifier of the power receiving device when the total power receiving time exceeds the time threshold or the received power amount exceeds the power threshold. It is determined that power transmission is being completed, and the power transmission is limited.

A control method of a feed system according to an embodiment of the present disclosure is a control method of a feed system that is used in a store and includes a power transmission device and a power reception device. The control method of the power feeding system includes the steps of the power transmission device transmitting power wirelessly, and the power receiving device receiving power wirelessly from the power transmission device. Furthermore, the control method of the power feeding system includes the step of the power transmission device limiting the power transmission based on information on power transmission from the power transmission device to the power receiving device. The information related to the power transmission includes the total power reception time or the received power amount of the power reception device. In the step of limiting the power transmission, when the total power reception time exceeds the time threshold or the received power exceeds the power threshold, the user associated with the identifier of the power reception apparatus It is determined that power transmission as compensation for products purchased at the store is being completed, and the power transmission is restricted.

The management device according to an embodiment of the present disclosure restricts the power transmission based on the information related to the power transmission from the power transmission device to the power reception device. The information related to the power transmission includes the total power receiving time or the received power amount of the power receiving device, and the management device determines that the total power receiving time exceeds the time threshold or the received power amount exceeds the power threshold. It is determined that power transmission as compensation for a product purchased by the user associated with the identifier of the power receiving device at the store is being completed, and the power transmission is restricted.
A power transmission device according to an embodiment of the present disclosure wirelessly transmits power to a power reception device, and restricts the power transmission based on information on power transmission to the power reception device. The information related to the power transmission includes the total power reception time or the received power amount of the power reception device. The power transmission device receives, as compensation for a product purchased by the user associated with the identifier of the power receiving device, when the total power receiving time exceeds the time threshold or the received power amount exceeds the power threshold. It is determined that power transmission is being completed, and the power transmission is limited.

According to an embodiment of the present disclosure, an improved power feeding system, a control method of the power feeding system, a management device, and a power transmission device can be provided.

It is a figure showing a schematic structure of a feed system concerning a 1st embodiment of this indication. It is a functional block diagram of a feed system concerning a 1st embodiment of this indication. It is a figure which shows an example of the aspect of the power transmission which concerns on 1st Embodiment of this indication. It is a sequence diagram which shows an example of operation | movement of the electric power feeding system which concerns on 1st Embodiment of this indication. It is a flow chart which shows an example of operation of a power receiving device concerning a 1st embodiment of this indication. It is a flow chart which shows an example of operation of a power transmission device concerning a 1st embodiment of this indication. It is a flow chart which shows an example of operation of a controlling device concerning a 1st embodiment of this indication. It is a functional block diagram of an electric supply system concerning a 2nd embodiment of this indication. It is a sequence diagram which shows an example of operation | movement of the electric power feeding system which concerns on 2nd Embodiment of this indication. It is a flow chart which shows an example of operation of a power transmission device concerning a 2nd embodiment of this indication.

  Hereinafter, embodiments according to the present disclosure will be described with reference to the drawings.

First Embodiment
FIG. 1 is a diagram showing a schematic configuration of a power supply system 1 according to a first embodiment of the present disclosure. The power supply system 1 includes power reception devices 10A and 10B, a power transmission device 20, and a management device 30. In FIG. 1, a solid line indicates a power path, and a broken line indicates a communication path. The power reception devices 10A and 10B, the power transmission device 20, and the management device 30 communicate with each other via the network 2. The power receiving devices 10A and 10B and the power transmission device 20 directly communicate with each other. In addition, the power transmission device 20 directly communicates with the management device 30. Thus, the management device 30 can communicate with each of the power receiving devices 10A and 10B via the power transmission device. The communication path is not limited to this. For example, each of the power receiving devices 10A and 10B may directly communicate with the management device 30. In all of the communication shown below, each of the power receiving devices 10A and 10B may directly communicate with the management device 30. Alternatively, each of the power receiving devices 10A and 10B and the management device 30 may communicate by relaying the power transmission device 20. Each of the power receiving devices 10A and 10B and the management device 30 may further communicate by relaying various other electronic devices.

  In addition, although the electric power feeding system 1 shown in FIG. 1 is provided with two power receiving apparatuses 10A and 10B, the number of the power receiving apparatuses with which the electric power feeding system 1 is equipped is not limited to this. The number of power reception devices provided in the power supply system 1 may be one, or three or more.

  The power supply system 1 is realized by, for example, a store (facilities) 3. The store 3 may have, for example, a relatively long stay time of the customer. As an example of the store 3, a restaurant, a coffee shop, a hairdresser, etc. may be mentioned. The feed system 1 is not limited to the store 3 and, for example, a predetermined area in which use of a wireless device in a hospital is permitted, or a food court or the like where various restaurants gather to provide food and drink in a self-service format But it is possible.

  The power receiving devices 10A and 10B are, for example, mobile phones. Each of the power receiving devices 10A and 10B is owned by each customer who has visited the store 3. Each of the power receiving devices 10A and 10B receives power wirelessly from the power transmission device 20.

  The power transmission device 20 is, for example, a home gateway or a wireless power transmission system, and is disposed in the store 3. The power transmission device 20 is managed by, for example, a manager of the store 3. The power transmission device 20 wirelessly transmits power to each of the power reception devices 10A and 10B.

The management device 30 is, for example, a server. The management device 30 is managed by, for example, a manager of the store 3. The management device 30 limits power transmission from the power transmission device 20 to each of the power reception devices 10A and 10B based on the information on power transmission. Although the details of the information related to power transmission will be described later, for example, when the management device 30 determines that the power transmission device 20 corresponds to any of the following (1) to (3) based on the information related to power transmission, Limit the power transmission to etc.
(1) Power transmission affects the state of the power receiving device (or the customer) (2) Power transmission as compensation for the product purchased by the customer at the store 3 is being completed (3) Power shortage in the store 3 due to power transmission There is a possibility of falling into

  As described above, the power supply system 1 provides a service for transmitting power to the power receiving devices 10A and 10B owned by each customer by the power transmission device 20 for each customer who visits the store 3. On the other hand, when it is determined by the management device 30 that the power supply system 1 corresponds to any of the above (1) to (3), the power supply system 1 restricts power transmission from the power transmission device 20 to the power receiving device 10A or the like.

  Then, the detail of the function of the electric power feeding system 1 is demonstrated. Hereinafter, the power reception devices 10A and 10B will be referred to as the power reception device 10 if they are not particularly distinguished.

  FIG. 2 is a functional block diagram of the feed system 1 according to the first embodiment of the present disclosure. Also in FIG. 2, the solid line indicates the power path, and the broken line indicates the communication path.

  The power receiving device 10 can be driven by the received power. The power receiving device 10 includes a power receiving unit 11, a communication unit 12, a power storage unit 13, a sensor unit 14, a display unit 15, an input unit 16, a storage unit 17, and a control unit 18.

  The power reception unit 11 receives power wirelessly from the power transmission device 20. Specifically, the power reception unit 11 generates electric power based on an electromagnetic wave received from the outside based on the control of the control unit 18. The power receiving unit 11 supplies the generated power (that is, the received power) to the components of the power receiving device 10.

  The power receiving unit 11 includes an antenna 11A and a rectifier circuit 11B. The antenna 11 </ b> A receives an electromagnetic wave from the power transmission device 20. The rectifier circuit 11B converts the electromagnetic wave received by the antenna 11A into direct current power. The rectifier circuit 11B supplies the converted DC power to the components of the power receiving device 10.

  The communication unit 12 communicates with an external device based on the control of the control unit 18. In the present embodiment, the communication unit 12 directly performs wireless communication with the power transmission device 20. Also, the communication unit 12 communicates with the management device 30 via the network 2. The communication unit 12 can realize a function for the call reception function of the power receiving apparatus 10 as a telephone based on communication standards such as Long Term Evolution (LTE) and Low Power Wide Area (LPWA). The antenna 11A may function as part of the communication unit 12.

  The storage unit 13 is, for example, a lithium ion battery or a nickel cadmium battery. Power storage unit 13 is electrically connected to power reception unit 11. Power storage unit 13 may be charged with the power received by power reception unit 11.

  The sensor unit 14 includes a temperature sensor 14A, an acceleration sensor 14B, and a proximity sensor 14C.

  The temperature sensor 14A detects the internal temperature of the power reception device 10 based on the control of the control unit 18. The internal temperature is, for example, a temperature around the power storage unit 13. The temperature sensor 14A outputs the detected temperature to the control unit 18.

  The acceleration sensor 14 </ b> B detects the acceleration acting on the power reception device 10 based on the control of the control unit 18. The acceleration sensor 14B outputs the detected acceleration to the control unit 18.

  The proximity sensor 14 </ b> C noncontactly detects the presence of an object in proximity to the power receiving device 10 based on the control of the control unit 18. The proximity sensor 14C outputs the presence of the detected adjacent object to the control unit 18. For example, when a user makes a call using the power receiving device 10, the user brings the power receiving device 10 closer to the face. At this time, the proximity sensor 14C detects the face of the user as an object in proximity to the power receiving device 10. When the proximity sensor 14C detects the user's face as a nearby object, the control unit 18 turns off the display function of the display unit 15.

  The display unit 15 displays characters, images, operation objects, pointers, and the like based on the information acquired from the control unit 18. The display unit 15 includes a display panel 15A and a touch sensor 15B.

  The display panel 15A is made of, for example, an LCD (Liquid Crystal Display), an organic EL (Electro Luminescence), an inorganic EL, or the like. The display panel 15A displays, for example, characters, images, operation objects, pointers, and the like.

  The touch sensor 15B is formed in a transparent sheet and disposed on the display panel 15A. The user sees the display panel 15A through the touch sensor 15B. The touch sensor 15B detects, for example, a position where a finger of the user, a stylus pen, or the like contacts the display unit 15 as an operation input to the display unit 15 of the user.

  The input unit 16 receives an operation input from a user (customer) of the power receiving device 10. The input unit 16 includes, for example, operation buttons (operation keys).

  The storage unit 17 includes, for example, a semiconductor memory or a magnetic memory. The storage unit 17 stores various information, a program for operating the power receiving device 10, and the like. The storage unit 17 may function as a work memory.

  The programs stored in the storage unit 17 include, for example, an application executed in the foreground or background and a control program for supporting the operation of the application. The application causes the display unit 15A to display a predetermined screen, for example, and causes the control unit 18 to execute a process according to the user's operation input detected through the touch sensor 15B. The control program is, for example, an OS (Operating System). The application and control program may be installed in the storage unit 17 via wireless communication by the communication unit 12 or a storage medium.

  In the present embodiment, an application provided by the store 3 (hereinafter referred to as “dedicated application”) is installed in the storage unit 17. The dedicated application is an application for executing the service provided by the store 3. The dedicated application provides a function for the customer to order a product from the store 3 and a function to pay for the product ordered by the customer to the store 3.

  The storage unit 17 stores, for example, an identifier of the power receiving device 10. The identifier is, for example, a contractor unique ID, a MAC address or an IP address. Furthermore, when the store 3 receives a member registration, the identifier may be the member ID of the store 3.

  The control unit 18 is a processor that controls and manages the entire power receiving device 10. The control unit 18 is configured of, for example, a processor such as a CPU that executes a program defining a control procedure or a dedicated processor specialized for processing of each function.

  When the control unit 18 detects that the power receiving device 10 has entered the power transmission range of the power transmission device 20 by the power receiving unit 11, the control unit 18 activates the dedicated application. When the dedicated application is not installed in the power receiving device 10, the control unit 18 may display on the display panel 15A a message to encourage the installation of the dedicated application. In this case, the control unit 18 may download and install the dedicated application (from the management device 30 or the like) when detecting the user's operation input for installing the dedicated application through the touch sensor 15B or the like. .

  Furthermore, when the control unit 18 detects that the power receiving device 10 has entered the power transmission range of the power transmission device 20 by the power receiving unit 11, the control unit 18 transmits the power transmission request together with the identifier of the power receiving device 10 to receive power transmission from the power transmission device 20. It transmits to the power transmission device 20 via the communication unit 12. Thereafter, when the control unit 18 receives the authentication from the power transmission device 20 via the communication unit 12, the control unit 18 starts power reception by the power reception unit 11.

  The control unit 18 transmits state information of the power receiving device 10 to the power transmission device 20 via the communication unit 12 while receiving power from the power transmission device 20. The state information of the power reception device 10 includes, for example, the internal temperature of the power reception device 10, the acceleration acting on the power reception device 10, the presence of an object approaching the power reception device 10, the remaining charge amount of the storage unit 13, and the current power reception device 10. Includes at least one of the power consumption.

In addition, during power reception from the power transmission device 20, in some cases, the control unit 18 receives from the management device 30 via the network 2 and the communication unit 12 that power transmission is limited. The restriction on the power transmission is transmitted from the management device 30 to the power receiving device 10 when the power transmission from the power transmitting device 20 to the power receiving device 10 is limited. The restriction to the power transmission includes any of the following (1A) to (3A).
(1A) Since power transmission affects the state of the power receiving device 10 (or customer), the effect of limiting power transmission (2A) is that power transmission as compensation for products purchased by the customer at the store 3 is being completed, To limit power transmission (3A) Power transmission may be limited because the store 3 may run short of power due to power transmission

  The control unit 18 causes the display panel 15A to display a message indicating that power transmission corresponding to each of (1A) to (3A) is limited, and notifies the user (customer). Thereby, the customer can know that the power transmission from the power transmission device 20 to the power reception device 10 is limited.

  Here, when the customer is presented with the restriction of the power transmission of (2A), when the customer does not want to receive the restriction of the power transmission, he ordered the product additionally by the dedicated application of the store 3 and additionally ordered The price of the product may be paid to the store 3. In this case, the control unit 18 transmits a signal indicating that payment has been made to the store 3 (hereinafter referred to as “first payment signal”) to the management device 30 via the communication unit 12 and the network 2. . Alternatively, when it is presented that the customer restricts the power transmission of (2A), the customer orders the product additionally with the terminal device etc. installed in the store 3 and pays the price of the additionally ordered product to the store 3 You may pay. In this case, the terminal device installed in the store 3 transmits a signal (hereinafter referred to as “second payment signal”) indicating that payment has been made to the store 3 to the management device 30 via the network 2 Do.

  In addition, during restriction of power transmission from the power transmission device 20 to the power reception device 10, the control unit 18 receives from the management device 30 via the network 2 and the communication unit 12 that the restriction of power transmission is canceled. This restriction on power transmission is transmitted, for example, from the management device 30 to the power receiving device 10 when the restriction of power transmission from the power transmission device 20 to the power receiving device 10 is canceled by the management device 30 having received the first payment signal. Be done. The control unit 18 causes the display panel 15A to display a notification that the restriction on power transmission is to be released, and notifies the user. Thus, the customer can know that the restriction of the power transmission from the power transmission device 20 to the power reception device 10 is released.

  The power transmission device 20 includes a power transmission unit 21, a communication unit 22, a power storage unit 23, a storage unit 25, and a control unit 26. The power transmission device 20 may further include a measurement unit 24.

  The power transmission unit 21 wirelessly transmits power to the power receiving device 10. Specifically, based on the control of the control unit 26, the power transmission unit 21 outputs, for example, a part of the power supplied from the commercial power grid as an electromagnetic wave.

  Power transmission unit 21 includes an antenna 21A and an oscillator 21B. The oscillator 21B transmits an electromagnetic wave from the antenna 21A based on, for example, the power supplied from the commercial power system.

  The communication unit 22 communicates with an external device based on the control of the control unit 26. In the present embodiment, the communication unit 22 directly performs wireless communication with the power receiving device 10. The communication unit 22 also communicates with the management device 30 via the network 2. The antenna 21A may function as part of the communication unit 22.

  The storage unit 23 is, for example, a lithium ion battery or a nickel cadmium battery. Power storage unit 23 may be charged, for example, by power supplied from a commercial power system.

  Measurement unit 24 includes a timer 24A. Based on the control of control unit 26, timer 24A measures the total power reception time when power is transmitted to power reception device 10 (that is, the total power reception time when power reception device 10 receives power). The timer 24A outputs the measured total power reception time to the control unit 26.

  The storage unit 25 includes, for example, a semiconductor memory or a magnetic memory. The storage unit 25 stores various information, a program for operating the power transmission device 20, and the like. The storage unit 25 may function as a work memory.

  The storage unit 25 stores the identifiers of the plurality of power receiving devices whose power transmission has been permitted by the manager of the store 3 or the like.

  The control unit 26 is a processor that controls and manages the entire power transmission device 20. The control unit 26 is configured of, for example, a processor such as a CPU that executes a program defining a control procedure, or a dedicated processor specialized for processing of each function.

  The control unit 26 receives the power transmission request together with the identifier of the power receiving device 10 from the power receiving device 10 via the communication unit 22. The control unit 26 determines whether or not the power receiving device 10 can be authenticated based on the identifier stored in the storage unit 25 and the received identifier of the power receiving device 10. For example, when the identifier of the power receiving device 10 matches any of the plurality of identifiers stored in the storage unit 25, the control unit 26 determines that the power receiving device 10 can be authenticated. The control unit 26 starts power transmission by the power transmission unit 21 with respect to the authenticated power reception device 10.

  During power transmission to the power receiving device 10, the control unit 26 transmits information related to power transmission to the management device 30 via the communication unit 22 and the network 2. The information related to power transmission may be, for example, the terminal information of the power receiving device 10, the amount of received power received by the power receiving device 10, the total power receiving time of the power receiving device 10, and the number of power receiving devices to be transmitted (in FIG. 2) of 10B. Among these pieces of information, the terminal information of the power receiving device 10, the received power amount of the power receiving device 10, and the total power receiving time of the power receiving device 10 are transmitted to the management device 30 in association with the identifier of the power receiving device 10. .

  In the information related to power transmission, the control unit 26 may acquire terminal information of the power receiving device 10 by receiving from the power receiving device 10 via the communication unit 22. In addition, the control unit 26 calculates the amount of received power of the power receiving device 10 by transmitting the amount of transmitted power transmitted to the power receiving device 10 from the power transmitting unit 21 and multiplying the obtained amount of transmitted power by a predetermined power reception efficiency. You may In addition, the control unit 26 may acquire the total power reception time of the power reception device 10 from the timer 24A. Further, the control unit 26 may calculate the number of power receiving devices to be transmitted based on the number of identifiers of the authenticated power receiving devices.

  During power transmission to the power receiving device 10, the control unit 26 receives an instruction of power transmission restriction from the management device 30 through the network 2 and the communication unit 22 depending on the case. In this case, the control unit 26 restricts the transmission of power to the power receiving device 10 according to the instruction of the power transmission restriction. Details of the power transmission restriction instruction will be described later.

  In addition, during restriction of power transmission to the power receiving device 10, the control unit 26 receives a power transmission restriction release instruction from the management device 30 through the network 2 and the communication unit 22 depending on the case. In this case, the control unit 26 cancels the power transmission restriction of the power to the power receiving device 10 in accordance with the cancellation instruction of the power transmission restriction. Details of the power transmission restriction cancellation instruction will be described later.

  The management device 30 is, for example, a server installed outside the store 3. The management device 30 includes a communication unit 31, a storage unit 32, and a control unit 33.

  The communication unit 31 communicates with an external device based on the control of the control unit 33. In the present embodiment, the communication unit 31 communicates with the power reception device 10 and the power transmission device 20 via the network 2.

  The storage unit 32 is configured of, for example, a semiconductor memory or a magnetic memory. The storage unit 32 stores various information, programs for operating the management device 30, and the like. The storage unit 32 may function as a work memory.

  The storage unit 32 stores, for example, a predetermined temperature, a predetermined acceleration, a predetermined remaining amount, and a predetermined power, which will be described later. In addition, the storage unit 32 stores, for example, a time threshold and a power amount threshold described later.

  The storage unit 32 may store the priority based on the information of the customer and the identifier of the power receiving device owned by the customer in association with each other. The customer information may include member rank information. The rank information may include trial members, general members and premium members. The trial member is, for example, a member who can receive in-store service only for a predetermined period without paying an annual fee and the like. The general member is, for example, a member who pays a fee such as an annual fee. The premium member is, for example, a member who pays a fee such as an annual fee that is higher than that of a general member. The priority based on the information of the customer is set to be high when the customer is any of the trial member, the general member and the premium member of the store 3, and the customer is another member of the store 3 It may be set to be low. The priority based on the information on the customer may be set to be higher as the age of the customer is higher.

  The control unit 33 is a processor that controls and manages the entire management device 30. The control unit 33 is configured of, for example, a processor such as a CPU that executes a program defining a control procedure, or a dedicated processor specialized for processing of each function.

  The control unit 33 receives information on power transmission from the power transmission device 20 via the network 2 and the communication unit 31. The control unit 33 restricts power transmission from the power transmission device 20 to the power reception device 10 based on the information related to power transmission. This process differs depending on the information on power transmission (that is, the state information of the power receiving device 10, the total power receiving time of the power receiving device 10, the amount of received power of the power receiving device 10, and the number of power receiving devices to be transmitted). The details of this process will be described below for each type of information related to power transmission.

<Determination of transmission limitation: in the case of terminal information>
The control unit 33 restricts power transmission from the power transmission device 20 to the power reception device 10 when the state information of the power reception device 10 satisfies the predetermined condition. Furthermore, the control unit 33 transmits, to the power receiving device 10 via the communication unit 31 and the network 2, the effect of limiting the above-described power transmission of (1A). When the state information of the power receiving device 10 satisfies the predetermined condition, it corresponds to the above-mentioned case where “(1) power transmission affects the state of the power receiving device (or customer)”. The predetermined condition may be set in accordance with the state information of the power receiving device 10. Hereinafter, setting examples of predetermined conditions will be described.

  For example, when the state information of the power receiving device 10 is the internal temperature, the predetermined condition is set such that the internal temperature is equal to or lower than the predetermined temperature. In this example, when the internal temperature of the power receiving device 10 rises due to power reception, power transmission is performed to prevent a failure due to a temperature rise of the power receiving device 10 or reduce the influence on the periphery of the power receiving device 10. The transmission of power from the device 20 to the power receiving device 10 is restricted.

  Also, for example, when the state information of the power receiving device 10 is an acceleration acting on the power receiving device 10, the predetermined condition is set such that the acceleration acting on the power receiving device 10 is equal to or less than a predetermined acceleration. In this example, when the customer holding the power receiving device 10 is moving, power transmission from the power transmission device 20 to the power receiving device 10 is restricted. The reason for limiting power transmission is that, when the power receiving device 10 moves, the power reception efficiency of the power receiving device 10 is deteriorated (compared to when it is stopped).

  Further, for example, when the state information of the power receiving device 10 indicates the presence of an object in proximity to the power receiving device 10, the predetermined condition is set such that there is no object in proximity. In this example, power transmission from the power transmission device 20 to the power receiving device 10 is restricted when the user (customer) is talking by bringing the power receiving device 10 close to the face. The reason for limiting power transmission is to prevent the electromagnetic waves output from the power transmission device 20 from being directly applied to the head of the user.

  Further, for example, when the state information of the power receiving device 10 is the charge remaining amount of the power storage unit 13, the predetermined condition is set such that the charge remaining amount of the power storage unit 13 is equal to or less than the predetermined remaining amount. In this example, when the charge remaining amount of power storage unit 13 exceeds the predetermined remaining amount, power transmission from power transmission device 20 to power reception device 10 is restricted in order to prevent a failure due to overcharge of power storage unit 13.

  Further, for example, when the state information of the power receiving device 10 is the current power consumption of the power receiving device 10, the predetermined condition may be set as the power consumption is equal to or higher than the predetermined power. In this example, when the current power consumption of the power receiving device 10 falls below the predetermined power (that is, when the current power consumption of the power receiving device 10 is not so large), power transmission from the power transmission device 20 to the power receiving device 10 Is limited.

  The control unit 33 transmits to the power receiving device 10 via the communication unit 31 and the network 2 a predetermined time before the time when the power transmission device 20 starts power transmission restriction by limiting that the power transmission of (1A) described above is restricted. You may Alternatively, the control unit 33 may transmit to the power receiving device 10 via the communication unit 31 and the network 2 at the time when the power transmission device 20 starts power transmission restriction, to the effect that the power transmission of (1A) described above is restricted. .

<Determination of power transmission restriction: In the case of total power reception time>
Control unit 33 restricts power transmission from power transmission device 20 to power reception device 10 when the total power reception time of power reception device 10 exceeds the time threshold. When the total power reception time exceeds the time threshold, power transmission as a compensation for the product purchased by the customer at the store 3 is sufficiently performed. That is, when the total power reception time exceeds the time threshold, it corresponds to the above-mentioned "(2) power transmission as compensation for the product purchased by the customer at the store 3 is being completed". In this case, if the power transmission from the power transmission device 20 to the power reception device 10 is continued as it is, the profit of the store 3 may be reduced due to, for example, the electricity charge for the power transmission. Therefore, in the present embodiment, when the total power reception time exceeds the time threshold, power transmission from the power transmission device 20 to the power reception device 10 is limited. Furthermore, the control unit 33 transmits, to the power receiving device 10 via the communication unit 31 and the network 2, the effect of limiting the above-described power transmission of (2A).

  The control unit 33 transmits to the power receiving device 10 via the communication unit 31 and the network 2 a predetermined time before the time when the power transmission device 20 starts power transmission restriction by limiting that the power transmission of (2A) described above is restricted. You may Alternatively, the control unit 33 may transmit to the power receiving device 10 via the communication unit 31 and the network 2 at the time when the power transmission device 20 starts the power transmission restriction that the power transmission of (2A) described above is restricted. .

  Furthermore, when the storage unit 32 stores the priority associated with the identifier of the power receiving device 10, the time threshold may be set based on the priority. In this case, the higher the priority, the higher the time threshold may be set, and the lower the priority, the lower the time threshold may be set.

<Determination of transmission limitation: in the case of received power>
Control unit 33 restricts power transmission from power transmission device 20 to power reception device 10 when the amount of received power of power reception device 10 exceeds the power amount threshold. When the received power exceeds the power threshold, power transmission as a compensation for the product purchased by the customer at the store 3 is completed, as in the case where the total power reception time exceeds the time threshold. It corresponds to the case that is At this time, the control unit 33 transmits, to the power receiving apparatus 10 via the communication unit 31 and the network 2, the effect of limiting the above-described power transmission of (2A), as in the case where the total power receiving time exceeds the time threshold. Do.

  The control unit 33 transmits to the power receiving device 10 via the communication unit 31 and the network 2 a predetermined time before the time when the power transmission device 20 starts power transmission restriction by limiting that the power transmission of (2A) described above is restricted. You may Alternatively, the control unit 33 may transmit to the power receiving device 10 via the communication unit 31 and the network 2 at the time when the power transmission device 20 starts the power transmission restriction that the power transmission of (2A) described above is restricted. .

  Further, when the storage unit 32 stores the priority associated with the identifier of the power receiving device 10, the power amount threshold may be set based on the priority. In this case, the power amount threshold may be set higher as the priority is higher, and the power amount threshold may be set lower as the priority is lower.

<Determination of power transmission limitation: number of power receiving devices subject to power transmission>
The control unit 33 restricts the power transmission from the power transmission device 20 to the power reception device 10 when the number of power reception devices targeted for power transmission exceeds the predetermined number according to the information on power transmission. When the number of power receiving devices targeted for power transmission exceeds a predetermined number, for example, there is a possibility that the power supplied from the commercial power grid to the store 3 may exceed the contracted power between the electric power company or the like and the store It is. In other words, when the number of power receiving devices targeted for power transmission exceeds a predetermined number, this corresponds to the above-mentioned case where “the store 3 may run short of power due to power transmission”. At this time, the control unit 33 transmits, to the power receiving device 10 via the communication unit 31 and the network 2, a message to the effect that the power transmission of (3A) described above is limited.

  The control unit 33 may limit the power transmission by transmitting power to the plurality of power receiving devices in a time division manner.

  In addition, the control unit 33 transmits, to the power receiving device 10 via the communication unit 31 and the network 2, a predetermined time before the time when the power transmission device 20 starts power transmission restriction, to the effect that the power transmission of (3A) described above is restricted. You may Alternatively, the control unit 33 may transmit to the power receiving device 10 via the communication unit 31 and the network 2 at the time when the power transmission device 20 starts power transmission restriction, to the effect that the power transmission of (3A) described above is restricted. .

<Aspect of transmission restriction>
When the power transmission from the power transmission device 20 to the power reception device 10 is limited, the control unit 33 transmits a power transmission restriction instruction to the power transmission device 20 via the communication unit 31 and the network 2. The instruction of the power transmission restriction includes an identifier of the power receiving device to be subjected to the power transmission restriction, and an aspect of the power transmission restriction. The mode of power transmission restriction includes, for example, stopping power transmission, expanding the second section in the power transmission cycle including the first section to execute power transmission and the second section not to execute power transmission, to the power receiving apparatus subject to power transmission restriction. Including any of the reductions in power amplitude at. Hereinafter, the state of the aspect of the power transmission restriction will be described with reference to FIG.

  FIG. 3A is a diagram showing an aspect of power transmission at the normal time. FIG. 3 (b) is a diagram showing an aspect of power transmission at the time of limitation. In FIGS. 3A and 3B, the horizontal axis indicates time, and the hatched portion indicates the first section. In FIG. 3A and FIG. 3B, the power transmission cycle is a cycle T. Here, in FIG. 3A, the second section is T1. On the other hand, in FIG. 3B, the second section is T2. The second section T2 shown in FIG. 3 (b) is larger than the second section T1 shown in FIG. 3 (a). Thus, the control unit 33 may limit power transmission by expanding the second section T2 in the power transmission cycle T.

  Note that the control unit 33 may increase the degree of expansion of the second section in the power transmission cycle or the degree of decrease in power amplitude in power transmission as the total power reception time or the received power amount increases.

<Release of power transmission restriction>
After restricting power transmission from the power transmission device 20 to the power receiving device 10, when it is determined that the restriction of the power transmission is to be released, the control unit 33 cancels the restriction of the power transmission.

  Specifically, when the control unit 33 determines that the terminal state of the power receiving device 10 comes to satisfy the predetermined condition after limiting the power transmission due to the above (1), the control unit 33 cancels the restriction of the power transmission. Do.

  Further, when the control unit 33 receives the predetermined signal from the outside via the network 2 and the communication unit 31 after limiting the power transmission due to the above (2), the control unit 33 cancels the restriction of the power transmission. The predetermined signal includes, for example, the first payment signal described above and the second payment signal.

  In addition, after limiting the power transmission caused by the above (3), the control unit 33 cancels the restriction of the power transmission when it is determined that the number of power receiving devices to be transmitted is equal to or less than a predetermined number.

  The control unit 33 transmits a power transmission restriction cancellation instruction to the power transmission device 20 via the communication unit 31 and the network 2 when canceling the power transmission restriction. The power transmission restriction cancellation instruction includes the identifier of the power receiving device to be subjected to the power transmission restriction cancellation. In addition, the control unit 33 transmits, via the communication unit 31 and the network 2, the effect of releasing the restriction of power transmission to the power receiving device that is the target of releasing the restriction of power transmission.

  The control unit 33 may relieve the restriction on power transmission instead of releasing the restriction on power transmission. In this case, the control unit 33 may transmit the power transmission restriction mitigation instruction to the power transmission device 20 via the communication unit 31 and the network 2. The power transmission restriction mitigation instruction includes the identifier of the power receiving device that is the target of the power transmission restriction mitigation. In addition, the control unit 33 may transmit, via the communication unit 31 and the network 2, to the power receiving apparatus that is the target of the relaxation of the power transmission restriction, a purport that the restriction of the power transmission is eased.

[Operation of feeding system]
FIG. 4 is a sequence diagram showing an example of the operation of the feed system 1 according to the first embodiment of the present disclosure.

  The power receiving device 10 transmits a power transmission request together with the identifier of the power receiving device 10 to the power transmission device 20 (step S1). The power transmission device 20 receives a power transmission request from the power reception device 10 together with the identifier of the power reception device 10. Thereafter, when the power transmission device 20 authenticates the power reception device 10, the power transmission device 20 transmits the fact that the power reception device 10 has been authenticated to the power reception device 10 (step S2A). In addition, the power transmission device 20 transmits to the management device 30 via the network 2 an instruction to start power transmission to the power receiving device 10 together with the identifier of the power receiving device 10 (step S2B).

  The power transmission device 20 starts power transmission to the power reception device 10 (step S3A). Thereby, the power receiving device 10 starts power reception from the power transmission device 20 (step S3B).

  While receiving power from the power transmission device 20, the power reception device 10 transmits the state information of the power reception device 10 to the power transmission device 20 (step S4). The power transmission device 20 acquires state information of the power reception device 10 from the power reception device 10 during power transmission to the power reception device 10.

  The power transmission device 20 transmits information on power transmission to the management device 30 via the network 2 during power transmission to the power reception device 10 (step S5A). The management device 30 acquires information on power transmission from the power transmission device 20 via the network 2 (step S5B).

  The management device 30 determines whether to limit power transmission from the power transmission device 20 to the power reception device 10 based on the information on power transmission (step S6). When the management device 30 determines that the power transmission from the power transmission device 20 to the power reception device 10 is limited (step S6: Yes), the process proceeds to step S7A. On the other hand, when determining that the power transmission from the power transmission device 20 to the power reception device 10 is not limited (step S6: No), the management device 30 performs the process of step S5B again.

  In the process of step S7A, the management device 30 transmits a power transmission restriction instruction to the power transmission device 20 via the network 2. In the process of step S <b> 7 </ b> B, the management device 30 transmits, to the power receiving device 10 via the network 2, an indication that power transmission is limited. In the process of step S <b> 7 </ b> C, the power transmission device 20 limits power transmission to the power reception device 10.

  In the process of step S <b> 8, the management device 30 determines whether to release the restriction on the power transmission based on the information on the power transmission or the like. When the management device 30 determines to release the restriction on power transmission (step S8: Yes), the process proceeds to the process of step S9A. On the other hand, when determining that the restriction on the power transmission is not released (step S8: No), the management device 30 performs the process of step S8 again.

  In the process of step S9A, the management device 30 transmits a power transmission restriction release instruction to the power transmission device 20 via the network 2. In the process of step S <b> 9 </ b> B, the management device 30 transmits, to the power receiving device 10 via the network 2, an indication that power transmission is limited. In the process of step S9C, the power transmission device 20 cancels the power transmission restriction on the power reception device according to the power transmission restriction cancellation instruction.

  In the process of step S8, the management apparatus 30 may determine whether to ease the restriction of power transmission instead of determining whether to release the restriction of power transmission. When it is determined that the restriction of power transmission is relieved, the management device 30 transmits an instruction to ease power transmission restriction to the power transmission device 20 via the network 2 instead of the instruction to cancel power transmission in the process of step S9A. Good. Similarly, in the process of step S9B, the management device 30 may transmit to the power receiving device 10 via the network 2 a message to ease the restriction of power transmission instead of canceling the restriction on power transmission. In the process of step 9C in this case, the power transmission device 20 relaxes the power transmission restriction on the power reception device in accordance with the power transmission restriction mitigation instruction.

[Power receiving device operation]
FIG. 5 is a flowchart illustrating an example of the operation of the power receiving device 10 according to the first embodiment of the present disclosure. For example, when detecting that the power receiving device 10 has entered the power transmission range of the power transmission device 20, the control unit 18 starts processing. At this time, the control unit 18 may activate the dedicated application.

  The control unit 18 transmits the power transmission request together with the identifier of the power receiving device 10 to the power transmission device 20 via the communication unit 12 in order to receive power transmission from the power transmission device 20 (step S10). Thereafter, when the control unit 18 receives the authentication from the power transmission device 20 via the communication unit 12 (step S11), the control unit 18 starts power reception by the power reception unit 11 (step S12). During power reception from the power transmission device 20, the control unit 18 transmits the state information of the power reception device 10 to the power transmission device 20 via the communication unit 12 (step S13).

  The control unit 18 determines whether or not the power transmission limitation is received from the management device 30 via the network 2 and the communication unit 12 (step S14). When it is determined that the control unit 18 has received from the management device 30 a message indicating that power transmission is to be restricted (step S14: Yes), the process proceeds to step S15. On the other hand, when it is not determined that the power transmission restriction is received from the management device 30 (step S14: No), the control unit 18 performs the process of step S14 again.

  In the process of step S15, the control unit 18 causes the display panel 15A to display that power transmission from the power transmission device 20 is limited, and notifies the user (user). The display on the display panel 15A is an example, and various other methods may be used as the method of notification. For example, the notification method may be output of notification sound by a speaker included in the power receiving device 10, vibration of the power receiving device 10 by a vibrator, light emission by a light emitting diode (LED), or the like.

  In the process of step S16, the control unit 18 determines whether payment for the store 3 has been made by the dedicated application. When the control unit 18 determines that the payment for the store 3 has been made (step S16: Yes), the process proceeds to step S17. On the other hand, when the control unit 18 determines that payment for the store 3 has not been made (step S16: No), the control unit 18 proceeds to the process of step S18.

  In the process of step S17, the control unit 18 transmits the first payment signal to the management device 30 via the communication unit 12 and the network 2.

  In the process of step S18, the control unit 18 determines whether or not the restriction on power transmission has been received from the management device 30 via the network 2 and the communication unit 12. When the control unit 18 determines that the power transmission restriction release has been received from the management device 30 (step S18: Yes), the process proceeds to step S19. On the other hand, when the control unit 18 does not determine that it is received from the management device 30 that the restriction on power transmission is released (step S18: No), the control unit 18 performs the process of step S18 again.

  In the process of step S19, the control unit 18 causes the display panel 15A to display an indication that the restriction of the power transmission from the power transmission device 20 is released, and notifies the user (customer).

  Note that, in the process of step S18, the control unit 18 may determine whether or not the restriction on power transmission has been received from the management device 30 via the network 2 and the communication unit 12. In this case, when it is determined that the control unit 18 has received that the restriction of the power transmission is relaxed, the process proceeds to step S19. In the process of step S19 at this time, the control unit 18 causes the display panel 15A to display a message that the restriction on the power transmission from the power transmission device 20 is alleviated, and notifies the user (customer).

[Operation of power transmission device]
FIG. 6 is a flowchart illustrating an example of the operation of the power transmission device according to the first embodiment of the present disclosure. When the control unit 26 receives the power transmission request together with the identifier of the power receiving device 10 from the power receiving device 10 via the communication unit 22, the control unit 26 starts the process.

  The control unit 26 determines whether the power receiving device 10 can be authenticated based on the identifier stored in the storage unit 25 and the received identifier of the power receiving device 10 (step S20). When the control unit 26 determines that the power reception device 10 can be authenticated (step S20: Yes), the process proceeds to step S21. On the other hand, when the control unit 26 determines that the power reception device 10 can not be authenticated (step S20: No), the process ends.

  In the process of step S <b> 21, the control unit 26 transmits, to the power receiving apparatus 10 via the communication unit 22, that the authentication has been made. In the process of step S22, the control unit 26 transmits, together with the identifier of the power receiving device 10, an indication to start power transmission to the power receiving device 10 to the management device 30 via the communication unit 22 and the network 2.

  In the process of step S23, the control unit 26 causes the power transmission unit 21 to start power transmission to the power reception device 10. During power transmission to the power receiving device 10, the control unit 26 receives state information of the power receiving device 10 from the power receiving device 10 via the communication unit 22.

  In the process of step S24, the control unit 26 transmits information on power transmission to the management device 30 via the communication unit 22 and the network 2.

  In the process of step S25, the control unit 26 determines whether an instruction of power transmission restriction has been received from the management device 30 via the network 2 and the communication unit 22. When the control unit 26 determines that the power transmission restriction instruction has been received (step S25: Yes), the process proceeds to step S26. On the other hand, when it is not determined that the power transmission restriction instruction has been received (step S25: No), the control unit 26 performs the process of step S25 again.

  In the process of step S <b> 26, the control unit 26 restricts power transmission to the power receiving device 10 in accordance with the power transmission control instruction acquired from the management device 30.

  In the process of step S27, the control unit 26 determines whether or not a power transmission restriction release instruction has been received from the management device 30 via the network 2 and the communication unit 22. When the control unit 26 determines that the power transmission restriction release instruction has been received (step S27: Yes), the process proceeds to step S28. On the other hand, when it is not determined that the power transmission restriction release instruction has been received (step S27: No), the control unit 26 performs the process of step S27 again.

  In the process of step S <b> 28, the control unit 26 releases the restriction of the power transmission to the power receiving device 10 in accordance with the cancellation instruction of the power transmission restriction acquired from the management device 30. Thereafter, the control unit 26 performs the process of step S25 again.

  Note that, in the process of step S27, the control unit 26 may determine whether an instruction to ease the power transmission restriction has been received from the management device 30 via the network 2 and the communication unit 22. In this case, when the control unit 26 determines that the power transmission restriction relaxation instruction has been received, the process proceeds to step S28. In the process of step S <b> 28 at this time, the control unit 26 relieves the limitation of the power transmission to the power receiving device 10 in accordance with the mitigation instruction of the power transmission limitation acquired from the management device 30.

[Operation of management device]
FIG. 7 is a flowchart illustrating an example of the operation of the management device according to the first embodiment of the present disclosure. When the control unit 33 receives, from the power transmission device 20 via the network 2 and the communication unit 31, an instruction to start power transmission to the power reception device 10 together with the identifier of the power reception device 10, the process starts.

  The control unit 33 receives information on power transmission from the power transmission device 20 via the network 2 and the communication unit 31 (step S30).

  In the process of steps S31A to 31D, the control unit 33 determines whether to limit the power transmission from the power transmission device 20 to the power reception device 10 based on the information related to power transmission. As described above, the information related to power transmission includes the state information of the power receiving device 10, the total power receiving time of the power receiving device 10, the amount of received power of the power receiving device 10, and the number of power receiving devices to be transmitted.

  In the process of step S31A, the control unit 33 determines whether the state information of the power receiving device 10 satisfies a predetermined condition. When the control unit 33 determines that the state information of the power receiving device 10 satisfies the predetermined condition (step S31A: Yes), the process proceeds to step S31B. On the other hand, when the control unit 33 determines that the state information of the power receiving device 10 does not satisfy the predetermined condition (step S31A: No), the control unit 33 proceeds to the process of step S32A.

  In the process of step S31B, control unit 33 determines whether or not the total power reception time of power reception device 10 exceeds the time threshold. When the control unit 33 determines that the total power reception time exceeds the time threshold (step S31B: Yes), the process proceeds to step S32B. On the other hand, when the control unit 33 determines that the total power reception time is equal to or less than the time threshold (step S31B: No), the process proceeds to step S31C.

  In the process of step S31C, control unit 33 determines whether or not the amount of received power of power reception device 10 exceeds the power amount threshold. When the control unit 33 determines that the received power amount exceeds the power threshold (step S31C: Yes), the process proceeds to step S32B. On the other hand, when the control unit 33 determines that the received power amount is equal to or less than the power amount threshold (step S31C: No), the control unit 33 proceeds to the process of step S31D.

  In the process of step S31D, the control unit 33 determines whether the number of power reception devices to be transmitted exceeds a predetermined number. When the control unit 33 determines that the number of power reception devices to be transmitted exceeds the predetermined number (step S31D: Yes), the process proceeds to step S32C. On the other hand, when the control unit 33 determines that the number of power reception devices to be transmitted is equal to or less than the predetermined number (step S31D: No), the control unit 33 returns to the process of step S30.

  In the process of step S32A, the control unit 33 transmits, to the power receiving device 10 via the communication unit 31 and the network 2, the effect of limiting the power transmission of (1A) described above. In the process of step S32B, the control unit 33 transmits, to the power receiving device 10 via the communication unit 31 and the network 2, the effect of limiting the power transmission of (2A) described above. In the process of step S32C, the control unit 33 transmits, to the power receiving apparatus 10 via the communication unit 31 and the network 2, the effect of limiting to the power transmission of (3A) described above.

In the process of steps S33A to 33B, the control unit 33 transmits a power transmission restriction instruction to the power transmission device 20 via the communication unit 31 and the network 2.

  In the processes of steps S34A to S34C, the control unit 33 determines whether to release the restriction on power transmission.

  In the process of step S34A, the control unit 33 determines whether the state information of the power receiving device 10 included in the information regarding the power transmission received after the process of step S33A satisfies the predetermined condition. When the control unit 33 determines that the state information of the power receiving device 10 satisfies the predetermined condition (step S34A: Yes), the process proceeds to step S35. On the other hand, when the control unit 33 determines that the state information of the power receiving device 10 does not satisfy the predetermined condition (step S34A: No), the control unit 33 performs the process of step S34A again.

  In the process of step S34B, control unit 33 determines whether or not a predetermined signal has been received from the outside via network 2 and communication unit 31. When the control unit 33 determines that a predetermined signal has been received from the outside (step S34B: Yes), the process proceeds to step S35. On the other hand, when it is not determined that the predetermined signal has been received from the outside (step S34B: No), the control unit 33 performs the process of step S34B again.

  In the process of step S34C, the control unit 33 determines whether or not the number of power reception devices to be transmitted included in the information related to power transmission received after the process of step S33C is equal to or less than a predetermined number. When the control unit 33 determines that the number of power reception devices to be transmitted is equal to or less than the predetermined number (step S34C: Yes), the process proceeds to step S35. On the other hand, when the control unit 33 determines that the number of power reception devices to be transmitted exceeds the predetermined number (step S34C: No), the control unit 33 performs the process of step S34C again.

  In the process of step S35, the control unit 33 transmits a power transmission restriction release instruction to the power transmission device 20 via the network 2 and the communication unit 31. In the process of step S <b> 36, the control unit 33 transmits, to the power receiving device 10 via the network 2 and the communication unit 31, the effect of releasing the power transmission restriction.

  Note that, in the process of step S35, the control unit 33 may transmit a power transmission restriction mitigation instruction to the power transmission device 20 via the network 2 and the communication unit 31 instead of the power transmission restriction cancellation instruction. In this case, in the process of step S36, the control unit 33 may transmit to the power receiving apparatus 10 via the network 2 and the communication unit 31 the effect of alleviating the power transmission instead of canceling the power transmission restriction. Good.

  As described above, in the power supply system 1 according to the first embodiment, the power transmission from the power transmission device 20 to the power reception device 10 is limited based on the information on the power transmission. By such control, according to the present embodiment, an improved feed system 1 as described in the following example can be provided.

  For example, when the terminal information of the power receiving device 10 does not satisfy the predetermined condition, that is, when it is determined that "(1) power transmission affects the state of the power receiving device", the power feeding system 1 limits power transmission. By such control, the power feeding system 1 can prevent a failure of the power receiving device 10 due to an increase in internal temperature of the power receiving device 10 or overcharging.

  Further, for example, when the power feeding system 1 determines that the total power receiving time of the power receiving device 10 exceeds the time threshold, that is, the above-described “(2) Power transmission for goods purchased by the customer at the store 3 is completed. If it is determined that the power transmission is in progress, the power transmission is limited. Similarly, when the power supply system 1 determines that the amount of received power of the power receiving device 10 exceeds the power amount threshold, that is, the above-described “(2) Power transmission as compensation for goods purchased by the customer at the store 3 is completed If it is determined that the power transmission is in progress, the power transmission is limited. By such control, the power feeding system 1 can prevent the profit of the store 3 from being reduced by, for example, the electricity charge for power transmission.

  Further, for example, when the power feeding system 1 determines that the number of power receiving devices targeted for power transmission exceeds the predetermined number, that is, the above-mentioned “(2) power transmission may cause store 3 to fall in power shortage” When it does, limit transmission. With such control, the power feeding system 1 can prevent, for example, the power supplied from the commercial power grid to the store 3 from exceeding the contracted power between the commercial power grid and the store.

  Further, in the power supply system 1 according to the first embodiment, the above-described power amount threshold or the above-described time threshold may be set based on the priority based on the information of the customer. With such a setting, the power feeding system 1 can stimulate the purchase intention of the customer.

  Further, when limiting power transmission, the power feeding system 1 according to the first embodiment transmits, to the power receiving device 10, an indication that power transmission is limited. Furthermore, the power receiving device 10 causes the display panel 15A to display a message indicating that power transmission is limited, and notifies the user. By such control, when the customer does not want to receive the power transmission restriction, for example, by using the dedicated application of the store 3, it may order the product additionally and pay the price of the additionally ordered product to the store 3 it can. Therefore, the feeding system 1 is excellent in the convenience of the customer.

  In addition, when the power transmission system 1 according to the first embodiment cancels (or eases) the restriction on power transmission, it transmits to the power receiving device 10 that the restriction on power transmission is canceled (or ease). Furthermore, the power receiving device 10 causes the display panel 15A to display an indication that the restriction on power transmission is to be released, and notifies the user. By such control, the customer can know that the restriction on power transmission is released. Therefore, the feeding system 1 is excellent in the convenience of the customer.

Second Embodiment
Next, a power supply system according to a second embodiment of the present disclosure will be described. In the following, differences from the first embodiment will be mainly described.

  FIG. 8 is a functional block diagram of a feed system 1A according to a second embodiment of the present disclosure. A power supply system 1A according to the second embodiment includes a power reception device 10 and a power transmission device 20A. The power receiving device 10 and the power transmission device 20A directly communicate with each other.

  The feed system 1A according to the second embodiment does not include the management device 30, unlike the feed system 1 according to the first embodiment. Instead, the power transmission device 20A according to the second embodiment plays a role of the management device 30 according to the first embodiment.

[Operation of feeding system]
FIG. 9 is a sequence diagram showing an example of processing of a power feeding system 1A according to the second embodiment of the present disclosure. The processes of steps S40 to S44 shown in FIG. 9 are the same as the processes of steps S1, S2A, S3A, S3B, and S4 shown in FIG.

  The power transmission device 20A determines whether to limit power transmission from the power transmission device 20A to the power reception device 10 based on the information on power transmission (step S45). When it is determined that the power transmission from the power transmission device 20A to the power reception device 10 is limited (step S45: Yes), the power transmission device 20A proceeds to the process of step S46. On the other hand, when it is not determined that the power transmission from the power transmission device 20A to the power reception device 10 is limited (step S6: No), the power transmission device 20A performs the process of step S45 again.

  In the process of step S <b> 46, the power transmission device 20 </ b> A transmits, to the power receiving device 10, an indication that power transmission is limited. In the process of step 47, the power transmission device 20A restricts power transmission to the power reception device 10.

  In the process of step S <b> 48, the power transmission device 20 </ b> A determines whether to release the restriction of the power transmission from the power transmission device 20 </ b> A to the power reception device 10 in the same manner as the process of step S <b> 8 shown in FIG. When it is determined that the power transmission device 20A releases the restriction of the power transmission (step S48: Yes), the process of step S49 is performed. On the other hand, when it is determined that the power transmission device 20A does not release the restriction of the power transmission (step S48: No), the process of step S48 is performed again.

  In the process of step S <b> 49, the power transmission device 20 </ b> A transmits, to the power receiving device 10, an indication that power transmission is limited. In the process of step S <b> 50, the power transmission device 20 releases the restriction on power transmission to the power reception device.

  In the process of step S <b> 48, the power transmission device 20 </ b> A may determine whether to ease the restriction of power transmission instead of determining whether to release the restriction of power transmission. When it is determined that the power transmission restriction is alleviated, the power transmission device 20A may ease the power transmission restriction in the process of step S67 instead of canceling the power transmission restriction. Similarly, in the process of step S <b> 68, the power transmission device 20 </ b> A may transmit, to the power receiving device 10, a message to ease the restriction of power transmission instead of canceling the restriction of power transmission.

[Operation of power transmission device]
FIG. 10 is a flowchart illustrating an example of processing of the power transmission device 20A according to the second embodiment of the present disclosure. Also in the second embodiment, as in the first embodiment, the control unit 26 starts processing when a power transmission request is received from the power receiving device 10 via the network 2 and the communication unit 22 together with the identifier of the power receiving device 10.

  The processes of steps S60 to S62 are the same as the processes of steps S20, S21, and S23 shown in FIG.

  In the process of steps S63A to S63D, the control unit 26 determines whether to limit the power transmission from the power transmission device 20A to the power reception device 10 based on the information related to power transmission. The control unit 26 performs the processes of steps S63A to S63D in the same manner as the processes of steps S31A to S31D illustrated in FIG. 7.

  In the process of step S64A, the control unit 26 transmits, to the power receiving device 10 via the communication unit 22, the effect that the power transmission of (1A) described above in the first embodiment is limited. In the process of step S64B, the control unit 26 transmits, to the power receiving device 10 via the communication unit 22, the effect of limiting the power transmission of (2A) described above in the first embodiment. In the process of step S64C, the control unit 26 transmits, to the power receiving device 10 via the communication unit 22, an indication to limit the power transmission of (3A) described above in the first embodiment.

  In the processes of steps S65A to S65C, control unit 26 limits power transmission to power reception device 10 by power transmission unit 21.

  In the process of steps S66A to 66C, the control unit 26 determines whether to release the restriction of the power transmission from the power transmission device 20A to the power reception device 10. The control unit 26 performs the process of steps S66A to 66C in the same manner as the process of steps 34A to 34C illustrated in FIG.

  In the process of step S <b> 67, the control unit 26 cancels the restriction of the power transmission to the power receiving device 10 by the power transmission unit 21. In the process of step S <b> 68, the control unit 26 transmits, to the power receiving device 10 via the communication unit 22, an indication that the power transmission restriction is to be released.

  In the process of step S67, the control unit 26 may ease the restriction of power transmission instead of releasing the restriction of power transmission. In this case, in the process of step S68, the control unit 26 may transmit to the power receiving device 10 via the communication unit 22 the effect of alleviating the power transmission instead of canceling the power transmission restriction.

  The other effects and configuration of the power feeding system 1A according to the second embodiment are similar to those of the power feeding system 1 according to the first embodiment.

  Although one embodiment of the present disclosure has been described based on the drawings and examples, it should be noted that those skilled in the art can easily make various changes and modifications based on the present disclosure. Therefore, it should be noted that these variations and modifications are included in the scope of the present disclosure. Functions included in each component, each step, etc. can be rearranged so as not to be logically contradictory, and it is possible to combine or divide a plurality of components, steps, etc. into one. . In addition, an embodiment of the present disclosure has been described focusing on an apparatus. However, the present disclosure can also be realized as a method, a program, or a storage medium storing the program, which is executed by a processor included in the device. Therefore, it should be understood that these are also included in the scope of the present disclosure.

1, 1A power feeding system 2 network 3 stores 10, 10A, 10B power receiving device 11 power receiving unit 11A antenna 11B rectifier circuit 12 communication unit 13 storage unit 14 sensor unit 14A temperature sensor 14B acceleration sensor 14C proximity sensor 15 display unit 15A display panel 15B touch Sensor 16 input unit 17 storage unit 18 control unit 20, 20A power transmission device 21 transmission unit 21A antenna 21B oscillator 22 communication unit 23 storage unit 24 measurement unit 24 measurement unit 24A timer 25 storage unit 26 control unit 30 management device 31 communication unit 32 storage unit 33 control Department

Claims (13)

A power transmission device that transmits power wirelessly;
A power receiving device that receives power wirelessly from the power transmission device;
A power supply system used in a store , comprising: a management device that limits power transmission based on information on power transmission from the power transmission device to the power reception device ,
The information related to the power transmission includes a total power receiving time or a received power amount of the power receiving device,
The management device is configured to pay for the item purchased by the customer associated with the identifier of the power receiving device when the total power receiving time exceeds the time threshold or the received power amount exceeds the power threshold. A feed system that determines that power transmission is being completed and limits the power transmission . In the feed system according to claim 1 ,
The power supply system, wherein the time threshold or the received power amount is set based on priority of information of a customer associated with an identifier of the power receiving device. In the feed system according to claim 2,
The power feeding system, wherein the information on the customer includes rank information of members of the store. The feed system according to any one of claims 1 to 3 .
The limitation of the power transmission may be the stop of the power transmission, the expansion of the second section in the power transmission cycle including the first section for performing the power transmission and the second section for not performing the power transmission, and the reduction of the power amplitude in the power transmission. Feeding system, including any of them. In the feed system according to claim 4 ,
A power feeding system, wherein the degree of expansion of the second section or the degree of decrease of the power amplitude increases as the total power receiving time when the power receiving device receives power or the received power amount received by the power receiving device increases. . In the feed system according to any one of claims 1 to 5 ,
The power supply system, wherein the management device, when limiting the power transmission, transmits, to the power receiving device, an indication that the power transmission is limited. In the feed system according to any one of claims 1 to 5 ,
The said control | management apparatus cancels | releases or relieve | moderates the restriction | limiting of the said power transmission, when the predetermined signal is received from the exterior, when the said power transmission is restrict | limited. In the feed system according to claim 7 ,
The power management system, wherein the management device transmits, to the power reception device, an indication that the restriction on the power transmission is released or relaxed. A control method of a feed system used in a store, comprising a power transmission device, a power reception device, and a management device, the control method comprising:
The power transmission device transmits power wirelessly;
The power receiving device wirelessly receives power from the power transmission device;
The management device, based from the power transmitting device information about the power transmission to the power receiving device, viewed including the step of limiting the power transmission, and
The information related to the power transmission includes a total power receiving time or a received power amount of the power receiving device,
In the step of limiting the power transmission, when the total power reception time exceeds the time threshold or the received power amount exceeds the power threshold, the management device allows the user associated with the identifier of the power reception device to The control method of the electric power feeding system which determines that the power transmission as a compensation for the goods purchased in the said store is completing, and limits the said power transmission . A power transmission device that transmits power wirelessly;
A power feeding system used in a store, comprising: a power receiving device that receives power wirelessly from the power transmitting device ;
The power transmission device restricts the power transmission based on information on power transmission from the power transmission device to the power reception device ,
The information related to the power transmission includes a total power receiving time or a received power amount of the power receiving device,
The power transmission device pays for the item purchased by the user associated with the identifier of the power receiving device when the total power receiving time exceeds the time threshold or the received power amount exceeds the power threshold. A feed system that determines that power transmission is being completed and limits the power transmission . A control method of a feed system used in a store, comprising a power transmission device and a power reception device, the control method comprising:
The power transmission device transmits power wirelessly;
The power receiving device wirelessly receives power from the power transmission device;
The power transmission device, based from the power transmitting device information about the power transmission to the power receiving device, viewed including the step of limiting the power transmission, and
The information related to the power transmission includes a total power receiving time or a received power amount of the power receiving device,
In the step of limiting the power transmission, when the total power reception time exceeds the time threshold or the received power exceeds the power threshold, the user associated with the identifier of the power reception apparatus The control method of the electric power feeding system which determines that the power transmission as a compensation for the goods purchased in the said store is completing, and limits the said power transmission . A management apparatus that limits power transmission based on information on power transmission from the power transmission apparatus to the power reception apparatus,
The information related to the power transmission includes a total power receiving time or a received power amount of the power receiving device,
When the total power reception time exceeds the time threshold or the received power amount exceeds the power threshold, the management device calculates the price for the product purchased by the user associated with the identifier of the power reception device at the store A management apparatus that determines that power transmission is being completed and limits the power transmission. A power transmission device that wirelessly transmits power to a power reception device and restricts the power transmission based on information on power transmission to the power reception device,
The information related to the power transmission includes a total power receiving time or a received power amount of the power receiving device,
The power transmission device
When the total received time exceeds the time threshold or the received power exceeds the power threshold, power transmission as compensation for the product purchased by the user associated with the identifier of the power receiving apparatus in the store is completed. A power transmission device that determines that the power transmission is in progress and limits the power transmission.

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