JP2018198484A - Power supply system, control method for power supply system and power receiving device - Google Patents

Abstract

To provide an enhanced power supply system, a control method for the power supply system, and a power receiving device.SOLUTION: A power supply system comprises: a power transmitting device which transmits power in a wireless manner; a power receiving device which receives power from the power transmitting device in a wireless manner; and a management device. Based on information relating to power transmission from the power transmitting device to the power receiving device, the management device restricts the power transmission.SELECTED DRAWING: Figure 1

Description

  The present disclosure relates to a power feeding system, a method for controlling the power feeding system, and a power receiving apparatus.

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

JP2015-159720A

  However, there is room for improvement in the above system.

  The objective of this indication made | formed in view of this point is to provide the electric power feeding system, the control method of an electric power feeding system, and an electric power receiving apparatus improved.

  A power supply system according to an embodiment of the present disclosure includes a power transmission device that wirelessly transmits power, a power reception device that wirelessly receives power from the power transmission device, and a management device. The management device limits power transmission based on information related to power transmission from the power transmission device to the power reception device.

  A method for controlling a power feeding system according to an embodiment of the present disclosure is a method for controlling a power feeding system including a power transmission device, a power receiving device, and a management device. The method for controlling the power feeding system includes a step in which the power transmission device wirelessly transmits power, and a step in which the power reception device wirelessly receives power from the power transmission device. Furthermore, the control method of the power supply system includes a step in which the management device limits the power transmission based on information related to power transmission from the power transmission device to the power reception device.

  A power supply system according to an embodiment of the present disclosure includes a power transmission device that wirelessly transmits power and a power reception device that wirelessly receives power from the power transmission device. The power transmission device limits power transmission based on information regarding power transmission from the power transmission device to the power reception device.

  A method for controlling a power feeding system according to an embodiment of the present disclosure is a method for controlling a power feeding system including a power transmission device and a power receiving device. The method for controlling the power feeding system includes a step in which the power transmission device wirelessly transmits power, and a step in which the power reception device wirelessly receives power from the power transmission device. Furthermore, the control method of the power supply system includes a step in which the power transmission device limits the power transmission based on information related to power transmission from the power transmission device to the power reception device.

  A power receiving device according to an embodiment of the present disclosure is a power receiving device that receives power wirelessly. The power receiving apparatus includes a communication unit that communicates with the external device that controls power wirelessly, and a control unit. The control unit transmits state information of the power receiving apparatus to the external device via the communication unit in order to limit power wirelessly.

  According to an embodiment of the present disclosure, an improved power feeding system, a method for controlling the power feeding system, and a power receiving device can be provided.

It is a figure showing the schematic structure of the electric supply system concerning a 1st embodiment of this indication. It is a functional block diagram of the electric supply 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. FIG. 6 is a sequence diagram illustrating an example of an operation of the power feeding system according to the first embodiment of the present disclosure. 5 is a flowchart illustrating an example of an operation of the power receiving device according to the first embodiment of the present disclosure. 5 is a flowchart illustrating an example of an operation of the power transmission device according to the first embodiment of the present disclosure. 6 is a flowchart illustrating an example of an operation of the management device according to the first embodiment of the present disclosure. It is a functional block diagram of the electric power feeding system concerning a 2nd embodiment of this indication. It is a sequence diagram showing an example of operation of a feed system concerning a 2nd embodiment of this indication. 12 is a flowchart illustrating an example of an operation of a power transmission device according to a second embodiment of the present disclosure.

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

(First embodiment)
FIG. 1 is a diagram illustrating a schematic configuration of a power feeding system 1 according to the first embodiment of the present disclosure. The power feeding system 1 includes power receiving apparatuses 10 </ b> A and 10 </ b> B, a power transmitting apparatus 20, and a management apparatus 30. In FIG. 1, a solid line indicates a power path, and a broken line indicates a communication path. The power receiving apparatuses 10 </ b> A and 10 </ b> B, the power transmitting apparatus 20, and the management apparatus 30 communicate with each other via the network 2. Each of power reception devices 10A and 10B and power transmission device 20 communicate directly with each other. In addition, the power transmission device 20 communicates directly with the management device 30. Thereby, each of the power receiving apparatuses 10 </ b> A and 10 </ b> B can communicate with the management apparatus 30 via the power transmission apparatus. Note that the communication path is not limited to this. For example, each of the power receiving apparatuses 10A and 10B and the management apparatus 30 may communicate directly. In all of the communications described below, each of the power receiving apparatuses 10A and 10B and the management apparatus 30 may communicate directly. Alternatively, each of the power receiving devices 10A and 10B and the management device 30 may communicate with each other via the power transmission device 20. Each of the power receiving devices 10A and 10B and the management device 30 may further communicate by relaying other various electronic devices.

  Note that the power feeding system 1 illustrated in FIG. 1 includes the two power receiving apparatuses 10A and 10B, but the number of power receiving apparatuses included in the power feeding system 1 is not limited thereto. The number of power receiving devices included in the power feeding system 1 may be one or may be three or more.

  The power supply system 1 is realized, for example, in a store (facility) 3. For example, the store 3 may have a relatively long customer stay. Examples of the store 3 include a restaurant, a coffee shop, and a beauty salon. The power supply system 1 is not limited to the store 3, for example, a predetermined area where use of wireless devices in a hospital is permitted, or a food court where various restaurants gather and provide food and drink in a self-service format But it is feasible.

  The power receiving devices 10A and 10B are, for example, mobile phones. Each of the power receiving devices 10 </ b> A and 10 </ b> B is the property of each customer who visits the store 3. Each of the power receiving apparatuses 10A and 10B receives power from the power transmitting apparatus 20 wirelessly.

  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 an administrator of the store 3, for example. The power transmission device 20 transmits power wirelessly to each of the power receiving devices 10A and 10B.

The management device 30 is a server, for example. The management apparatus 30 is managed by the manager of the store 3, for example. The management device 30 restricts power transmission from the power transmission device 20 to each of the power reception devices 10A and 10B based on information regarding power transmission. The details of the information related to power transmission will be described later. For example, when the management device 30 determines that one of the following (1) to (3) is applicable based on the information related to power transmission, the power receiving device 10A receives power from the power transmission device 20. Limit power transmission to
(1) Power transmission affects the state of the power receiving device (or customer) (2) Power transmission as a consideration for products purchased by the customer at the store 3 is being completed (3) Store 3 is short of power due to power transmission Could fall into

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

  Next, details of functions of the power feeding system 1 will be described. Hereinafter, the power receiving devices 10 </ b> A and 10 </ b> B will be referred to as the power receiving device 10 when they are not particularly distinguished.

  FIG. 2 is a functional block diagram of the power feeding 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 receiving unit 11 receives power from the power transmission device 20 wirelessly. Specifically, the power receiving unit 11 generates power based on electromagnetic waves 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 electromagnetic waves from the power transmission device 20. The rectifier circuit 11B converts the electromagnetic wave received by the antenna 11A into DC power. The rectifier circuit 11 </ b> B 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. The communication unit 12 communicates with the management apparatus 30 via the network 2. The communication unit 12 can realize a function for the power receiving apparatus 10 to execute a call function as a telephone, based on a communication standard such as LTE (Long Term Evolution) and LPWA (Low Power Wide Area). Note that the antenna 11 </ b> A may function as a part of the communication unit 12.

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

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

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

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

  The proximity sensor 14 </ b> C detects the presence of an object in proximity to the power receiving device 10 in a non-contact manner based on the control of the control unit 18. The proximity sensor 14 </ b> C outputs the detected presence of the adjacent object to the control unit 18. For example, when making a call using the power receiving device 10, the user brings the power receiving device 10 close to the face. At this time, the proximity sensor 14 </ b> C detects the user's face as an object close to the power receiving device 10. When the proximity sensor 14 </ b> C 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 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 includes, for example, an LCD (Liquid Crystal Display), an organic EL (Electro Luminescence), or an inorganic EL. 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 shape and is disposed on the display panel 15A. The user visually recognizes the display panel 15A through the touch sensor 15B. The touch sensor 15 </ b> B detects, for example, a position where a user's finger, a stylus pen, or the like is in contact with the display unit 15 as an operation input to the user display unit 15.

  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 is configured by, for example, a semiconductor memory or a magnetic memory. The storage unit 17 stores various information and a program for operating the power receiving device 10. 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 that supports the operation of the application. For example, the application displays a predetermined screen on the display panel 15 </ b> A, and causes the control unit 18 to execute processing according to a user operation input detected via the touch sensor 15 </ b> B. The control program is, for example, an OS (Operating System). The application and the 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 a service provided by the store 3. The dedicated application provides a function for a customer to order a product from the store 3, a function for paying for the product ordered by the user to the store 3, and the like.

  For example, the storage unit 17 stores an identifier of the power receiving device 10. The identifier is, for example, a contractor unique ID, a MAC address, an IP address, or the like. Further, when the store 3 accepts 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 apparatus 10. The control unit 18 includes, for example, a processor such as a CPU that executes a program that defines a control procedure, or a dedicated processor specialized for processing each function.

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

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

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

Note that the control unit 18 receives information indicating that power transmission is restricted from the management device 30 via the network 2 and the communication unit 12 during power reception from the power transmission device 20 in some cases. This restriction on power transmission is transmitted from the management device 30 to the power receiving device 10 when power transmission from the power transmitting device 20 to the power receiving device 10 is restricted. Any of the following (1A) to (3A) is included in limiting the power transmission.
(1A) Since power transmission affects the state of the power receiving device 10 (or customer), (2A) Since power transmission as a consideration for the product purchased by the customer in the store 3 is being completed, Intention to limit power transmission (3A) Intention to limit power transmission because the store 3 may fall short of power due to power transmission

  The control unit 18 displays on the display panel 15A that the power transmission corresponding to each of (1A) to (3A) is restricted, and notifies the user (user). Accordingly, the user can know that power transmission from the power transmission device 20 to the power reception device 10 is restricted.

  Here, when the customer is requested to restrict the power transmission of (2A), if the customer does not want to receive the power transmission restriction, the customer additionally orders the product using the dedicated application of the store 3. You may pay the price of goods to 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. . Or, when the customer is presented that the power transmission of (2A) is restricted, the customer additionally orders the product using the terminal device installed in the store 3, and the store 3 pays the price of the additionally ordered product. You may pay. In this case, the terminal device installed in the store 3 transmits a signal indicating that payment has been made to the store 3 (hereinafter referred to as “second payment signal”) to the management device 30 via the network 2. To do.

  In addition, the control unit 18 receives information indicating that the restriction on power transmission is released from the management device 30 via the network 2 and the communication unit 12 during restriction of power transmission from the power transmission device 20 to the power receiving device 10. For example, when the restriction on power transmission from the power transmitting device 20 to the power receiving device 10 is released by the management device 30 that has received the first payment signal, the fact that the restriction on power transmission is released is transmitted from the management device 30 to the power receiving device 10. Is done. The control unit 18 notifies the user that the restriction on power transmission is to be released on the display panel 15A. Thereby, the user can know that the restriction on 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 transmits power to the power receiving device 10 wirelessly. Specifically, the power transmission unit 21 outputs, for example, a part of power supplied from a commercial power system as an electromagnetic wave based on the control of the control unit 26.

  The 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, power supplied from a 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 performs wireless communication directly with the power receiving device 10. The communication unit 22 communicates with the management device 30 via the network 2. Note that the antenna 21 </ b> A may function as a part of the communication unit 22.

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

  Measuring unit 24 includes a timer 24A. The timer 24 </ b> A measures the total power reception time during which power is transmitted to the power receiving device 10 (that is, the total power reception time during which the power receiving device 10 receives power) based on the control of the control unit 26. The timer 24A outputs the measured total power reception time to the control unit 26.

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

  The storage unit 25 stores identifiers of a plurality of power receiving apparatuses that are permitted to transmit power by an administrator 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 includes, for example, a processor such as a CPU that executes a program that defines a control procedure, or a dedicated processor specialized for processing of each function.

  The control unit 26 receives a 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, the control unit 26 determines that the power receiving device 10 can be authenticated when the identifier of the power receiving device 10 matches any of a plurality of identifiers stored in the storage unit 25. The control unit 26 starts power transmission by the power transmission unit 21 to the authenticated power receiving device 10.

  During power transmission to the power receiving device 10, the control unit 26 transmits information regarding power transmission to the management device 30 via the communication unit 22 and the network 2. Information about power transmission includes, for example, 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. 1, the power receiving devices 10A, 10A, 2 of 10B). Among these pieces of information, the terminal information of the power receiving device 10, the amount of received power 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 regarding power transmission, the control unit 26 may acquire the terminal information of the power receiving device 10 by receiving the terminal information from the power receiving device 10 via the communication unit 22. Further, the control unit 26 calculates the received power amount of the power receiving device 10 by acquiring the transmitted power amount transmitted to the power receiving device 10 from the power transmitting unit 21 and multiplying the acquired transmitted power amount by a predetermined power receiving efficiency. May be. The control unit 26 may acquire the total power reception time of the power reception device 10 from the timer 24A. The control unit 26 may calculate the number of power receiving devices to be transmitted based on the number of authenticated power receiving device identifiers.

  Note that the control unit 26 receives a power transmission restriction instruction from the management device 30 via the network 2 and the communication unit 22 during power transmission to the power receiving device 10 in some cases. In this case, the control unit 26 restricts power transmission to the power receiving device 10 in accordance with the power transmission restriction instruction. Details of the power transmission restriction instruction will be described later.

  In addition, the control unit 26 receives a power transmission restriction release instruction from the management device 30 via the network 2 and the communication unit 22 in some cases during restriction of power transmission to the power receiving device 10. In this case, the control unit 26 releases the power transmission restriction of the power to the power receiving device 10 according to the instruction to release the power transmission restriction. Details of the power transmission restriction cancellation instruction will be described later.

  The management apparatus 30 is a server installed outside the store 3, for example. 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 receiving device 10 and the power transmitting device 20 via the network 2.

  The storage unit 32 is configured by, for example, a semiconductor memory or a magnetic memory. The storage unit 32 stores various information and a program for operating the management device 30. 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 described later. Moreover, the memory | storage part 32 has memorize | stored the below-mentioned time threshold value and electric energy threshold value, for example.

  The storage unit 32 may store the priority based on the customer information 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, premium members, and the like. For example, the trial member is a member who can receive the service in the store only for a predetermined period without paying a fee such as an annual membership fee. The general member is a member who pays a fee such as an annual membership fee. The premium member is a member who pays a fee such as an annual fee higher than that of a general member. The priority based on the customer information is set to be higher when the customer is a trial member, a general member or a premium member of the store 3, and when the customer is another member of the store 3. It may be set to be lower. The priority based on the customer information may be set to be higher as the user's age is higher.

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

  The control unit 33 receives information related to 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 information regarding power transmission. This process differs depending on information related to power transmission (that is, the status information of the power receiving device 10, the total power receiving time of the power receiving device 10, the amount of power received by the power receiving device 10, and the number of power receiving devices to be transmitted). Hereinafter, details of this processing will be described for each type of information regarding power transmission.

<Determination of power transmission restriction: When it is 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 a predetermined condition. Further, the control unit 33 transmits to the power receiving apparatus 10 via the communication unit 31 and the network 2 that the power transmission of (1A) is limited. When the state information of the power receiving apparatus 10 satisfies a predetermined condition, it corresponds to the above-mentioned case “(1) Power transmission affects the state of the power receiving apparatus (or customer)”. Note that the predetermined condition may be set according to the state information of the power receiving device 10. Hereinafter, an example of setting the predetermined condition will be described.

  For example, when the state information of the power receiving device 10 is the internal temperature, the predetermined condition is set 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 has increased due to power reception, power transmission is performed to prevent a failure due to the temperature increase of the power receiving device 10 or to reduce the influence on the surroundings of the power receiving device 10. Power transmission from the device 20 to the power receiving device 10 is restricted.

  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, power transmission from the power transmission device 20 to the power reception device 10 is restricted when a user having the power reception device 10 is moving. The reason for restricting power transmission is that when the power receiving device 10 moves, the power receiving efficiency of the power receiving device 10 deteriorates (compared to when it is stopped).

  Further, for example, when the state information of the power receiving device 10 is the presence of an object that is close to the power receiving device 10, the predetermined condition is set that there is no close object. In this example, power transmission from the power transmission device 20 to the power reception device 10 is restricted when the user (user) is talking with the power reception device 10 close to the face. The reason for restricting power transmission is to prevent the electromagnetic waves output from the power transmission device 20 from being directly applied to the user's head.

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

  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 being equal to or higher than the predetermined power. In this example, when the current power consumption of the power receiving apparatus 10 is lower than the predetermined power (that is, when the current power consumption of the power receiving apparatus 10 is not so large), power is transmitted from the power transmitting apparatus 20 to the power receiving apparatus 10. Is limited.

  Note that 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 the power transmission limitation, that the power transmission of (1A) described above is limited. May be. Or the control part 33 may transmit to the power receiving apparatus 10 via the communication part 31 and the network 2 that the power transmission apparatus 20 starts a power transmission restriction | limiting that the power transmission of said (1A) is restrict | limited. .

<Determining power transmission restriction: Total power reception time>
The control unit 33 restricts power transmission from the power transmission device 20 to the power reception device 10 when the total power reception time of the power reception device 10 exceeds the time threshold. The time when the total power reception time exceeds the time threshold is when power transmission as a consideration 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 case “(2) Power transmission as consideration for a 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, an electricity bill 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. Further, the control unit 33 transmits to the power receiving apparatus 10 via the communication unit 31 and the network 2 that the power transmission of (2A) is limited.

  Note that 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 the power transmission limitation, that the power transmission of (2A) described above is limited. May be. Or the control part 33 may transmit to the power receiving apparatus 10 via the communication part 31 and the network 2 at the time when the power transmission apparatus 20 starts power transmission restriction | limiting that the power transmission of said (2A) is restrict | limited. .

  Moreover, when the priority matched with the identifier of the power receiving apparatus 10 is memorize | stored in the memory | storage part 32, a time threshold value may be set based on the said 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 power transmission restriction: When it is the amount of received power>
The control unit 33 restricts power transmission from the power transmission device 20 to the power reception device 10 when the power reception power amount of the power reception device 10 exceeds the power amount threshold value. When the received power amount exceeds the power amount threshold value, transmission as a consideration for the product purchased by the customer 3 at the store 3 is completed in the same manner as when the total power receiving time exceeds the time threshold value. This is the case. At this time, the control unit 33 transmits to the power receiving device 10 that the power transmission of the above (2A) is limited to the power receiving device 10 via the communication unit 31 and the network 2 in the same manner as when the total power receiving time exceeds the time threshold. To do.

  Note that 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 the power transmission limitation, that the power transmission of (2A) described above is limited. May be. Or the control part 33 may transmit to the power receiving apparatus 10 via the communication part 31 and the network 2 at the time when the power transmission apparatus 20 starts power transmission restriction | limiting that the power transmission of said (2A) is restrict | limited. .

  Moreover, when the priority matched with the identifier of the power receiving apparatus 10 is memorize | stored in the memory | storage part 32, the electric energy threshold value may be set based on the said 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 restriction: Number of power receiving devices to be transmitted>
The control unit 33 restricts power transmission from the power transmission device 20 to the power reception device 10 when the number of power reception devices to be transmitted exceeds a predetermined number in the information regarding power transmission. When the number of power receiving devices to be transmitted exceeds a predetermined number, for example, when the power supplied from the commercial power system to the store 3 may exceed the contract power between the power company and the store It is. That is, when the number of power receiving devices to be transmitted exceeds a predetermined number, it corresponds to the above-mentioned case “(3) There is a possibility that the store 3 may be short of power due to power transmission”. At this time, the control unit 33 transmits, to the power receiving apparatus 10 via the communication unit 31 and the network 2, a notification that the power transmission of (3A) is limited.

  Note that the control unit 33 may limit power transmission by transmitting power to a plurality of power receiving devices in a time-sharing manner.

  In addition, the control unit 33 transmits a notification that the power transmission of (3A) is restricted to the power receiving device 10 via the communication unit 31 and the network 2 before a predetermined time before the time when the power transmission device 20 starts the power transmission restriction. May be. Or the control part 33 may transmit to the power receiving apparatus 10 via the communication part 31 and the network 2 at the time when the power transmission apparatus 20 starts power transmission restriction | limiting that the power transmission of said (3A) is restrict | limited. .

<Mode of power transmission restriction>
When restricting power transmission from the power transmission device 20 to the power reception device 10, 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 to limit power transmission includes an identifier of a power receiving device that is subject to power transmission restriction and a mode of power transmission restriction. Examples of the power transmission restriction include, for example, suspension of power transmission to the power receiving device that is subject to power transmission restriction, expansion of the second section in the power transmission cycle including the first section in which power transmission is performed and the second section in which power transmission is not performed, power transmission One of the reductions in power amplitude at. Hereinafter, the state of the power transmission restriction will be described with reference to FIG. 3, taking as an example the expansion of the second section in the power transmission cycle.

  FIG. 3A is a diagram illustrating a mode of power transmission in a normal time. FIG.3 (b) is a figure which shows the aspect of the power transmission at the time of a restriction | limiting. 3A and 3B, the horizontal axis indicates time, and the hatched portion indicates the first section. 3A and 3B, the power transmission period is the period T. Here, in FIG. 3A, the second section is T1. On the other hand, in FIG.3 (b), a 2nd area is T2. The second section T2 shown in FIG. 3B is larger than the second section T1 shown in FIG. Thus, the control unit 33 may limit power transmission by expanding the second section T2 in the power transmission cycle T.

  In addition, the control part 33 may enlarge the degree of the expansion of the 2nd area in a power transmission cycle, or the degree of the fall of the power amplitude in power transmission with the increase in the above-mentioned total power reception time or received power amount.

<Release power transmission restriction>
When the control unit 33 restricts power transmission from the power transmission device 20 to the power receiving device 10 and then determines to cancel the power transmission limitation, the control unit 33 cancels the power transmission limitation.

  Specifically, when the control unit 33 restricts power transmission due to the above (1) and then determines that the terminal state of the power receiving device 10 satisfies a predetermined condition, the control unit 33 releases the restriction on power transmission. To do.

  In addition, after restricting power transmission due to the above (2), the control unit 33 releases the restriction on power transmission when receiving a predetermined signal from the outside via the network 2 and the communication unit 31. The predetermined signal includes, for example, the first payment signal and the second payment signal described above.

  In addition, after restricting the power transmission caused by the above (3), the control unit 33 releases the restriction on 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.

  When canceling the power transmission restriction, the control unit 33 transmits a power transmission restriction release instruction to the power transmission device 20 via the communication unit 31 and the network 2. This power transmission restriction release instruction includes the identifier of the power receiving device that is the target of the power transmission restriction release. In addition, the control unit 33 transmits, via the communication unit 31 and the network 2, to the power receiving device that is a target for canceling the power transmission restriction, that the power transmission restriction is to be released.

  Note that the control unit 33 may relax the restriction on power transmission instead of releasing the restriction on power transmission. In this case, the control unit 33 may transmit a power transmission restriction relaxation instruction to the power transmission device 20 via the communication unit 31 and the network 2. This power transmission restriction relaxation instruction includes an identifier of a power receiving apparatus that is a target of power transmission restriction relaxation. In addition, the control unit 33 may transmit, via the communication unit 31 and the network 2, to the power receiving device targeted for relaxation of power transmission restriction that the power transmission restriction is relaxed.

[Power supply system operation]
FIG. 4 is a sequence diagram illustrating an example of the operation of the power feeding system 1 according to the first embodiment of the present disclosure.

  The power receiving device 10 transmits a power transmission request to the power transmitting device 20 together with the identifier of the power receiving device 10 (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 authenticating the power receiving device 10, the power transmitting device 20 transmits information indicating the authentication to the power receiving device 10 (step S <b> 2 </ b> A). In addition, the power transmission device 20 transmits to the management device 30 via the network 2 to the effect that power transmission to the power reception device 10 is started together with the identifier of the power reception device 10 (step S2B).

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

  The power receiving apparatus 10 transmits the state information of the power receiving apparatus 10 to the power transmitting apparatus 20 during power reception from the power transmitting apparatus 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.

  During power transmission to the power receiving device 10, the power transmission device 20 transmits information related to power transmission to the management device 30 via the network 2 (step S5A). The management device 30 acquires information related to power transmission from the power transmission device 20 via the network 2 (step S5B).

  The management device 30 determines whether or not to restrict power transmission from the power transmission device 20 to the power reception device 10 based on information regarding power transmission (step S6). When it is determined that the power transmission from the power transmission device 20 to the power reception device 10 is restricted (step S6: Yes), the management device 30 proceeds to the process of step S7A. On the other hand, when the management device 30 does not determine that power transmission from the power transmission device 20 to the power reception device 10 is restricted (step S6: No), the management device 30 performs the process of step S5B again.

  In the process of step S <b> 7 </ b> A, 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 information indicating that power transmission is restricted to the power receiving device 10 via the network 2. In the process of step S <b> 7 </ b> C, the power transmission device 20 restricts power transmission to the power reception device 10.

  In the process of step S8, the management apparatus 30 determines whether or not to cancel the restriction on power transmission based on information on power transmission and the like. When it is determined that the restriction on power transmission is to be released (step S8: Yes), the management device 30 proceeds to the process of step S9A. On the other hand, when determining that the restriction on power transmission is not released (step S8: No), the management device 30 performs the process of step S8 again.

  In the process of step S <b> 9 </ b> A, 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 that power transmission is restricted. In the process of step S9C, the power transmission device 20 releases the restriction on power transmission to the power receiving device in accordance with the instruction to release the restriction on power transmission.

  Note that, in the process of step S8, the management device 30 may determine whether to relax the restriction on power transmission instead of determining whether to cancel the restriction on power transmission. When it is determined that the power transmission restriction is relaxed, the management device 30 may transmit a power transmission restriction relaxation instruction to the power transmission device 20 via the network 2 instead of the power transmission restriction release instruction in the process of step S9A. Good. Similarly, the management apparatus 30 may transmit to the power receiving apparatus 10 via the network 2 information indicating that the restriction on power transmission is relaxed instead of canceling the restriction on power transmission in the process of step S9B. In the process of Step 9C in this case, the power transmission device 20 relaxes the restriction on power transmission to the power receiving device according to the power transmission restriction relaxation instruction.

[Operation of the power receiving device]
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 the control unit 18 detects that the power receiving device 10 has entered the power transmission area of the power transmission device 20, the control unit 18 starts processing. At this time, the control unit 18 may activate a dedicated application.

  In order to receive power transmission from the power transmission device 20, the control unit 18 transmits a power transmission request together with the identifier of the power reception device 10 to the power transmission device 20 via the communication unit 12 (step S10). Thereafter, when the control unit 18 receives the authentication result from the power transmission device 20 via the communication unit 12 (step S11), the control unit 18 starts receiving power 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 it is received from the management device 30 via the network 2 and the communication unit 12 that power transmission is restricted (step S14). When it determines with the control part 18 having received the effect which restrict | limits power transmission from the management apparatus 30 (step S14: Yes), it progresses to the process of step S15. On the other hand, when the control unit 18 does not determine from the management device 30 that the power transmission is restricted (step S14: No), the control unit 18 performs the process of step S14 again.

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

  In the process of step S <b> 16, the control unit 18 determines whether payment for the store 3 has been performed by the dedicated application. When it is determined that the payment for the store 3 has been made (step S16: Yes), the control unit 18 proceeds to step S17. On the other hand, when it determines with the control part 18 not paying with respect to the shop 3 (step S16: No), it progresses to the process of step S18.

  In the process of step S <b> 17, the control unit 18 transmits a first payment signal to the management device 30 via the communication unit 12 and the network 2.

  In the process of step S <b> 18, the control unit 18 determines whether or not it is received from the management device 30 via the network 2 and the communication unit 12 that the restriction on power transmission is released. When it determines with the control part 18 having received the effect to cancel | release the restriction | limiting of power transmission from the management apparatus 30 (step S18: Yes), it progresses to the process of step S19. On the other hand, when the control unit 18 does not determine that the power transmission restriction is released from the management device 30 (step S18: No), the control unit 18 performs the process of step S18 again.

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

  In the process of step S18, the control unit 18 may determine whether or not it has received from the management device 30 via the network 2 and the communication unit 12 that the restriction on power transmission is relaxed. In this case, when it determines with the control part 18 having received the effect which eases the restriction | limiting of power transmission, it progresses to the process of step S19. In the process of step S19 at this time, the control unit 18 displays on the display panel 15A that the restriction on power transmission from the power transmission device 20 is relaxed and notifies the user (customer).

[Operation of power transmission equipment]
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 a 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 processing.

  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 (step S20). When it is determined that the power receiving apparatus 10 can be authenticated (step S20: Yes), the control unit 26 proceeds to the process of step S21. On the other hand, when it is determined that the power receiving apparatus 10 cannot be authenticated (step S20: No), the control unit 26 ends the process.

  In the process of step S <b> 21, the control unit 26 transmits an authentication result to the power receiving device 10 via the communication unit 22. In the process of step S <b> 22, the control unit 26 transmits, to the management device 30 via the communication unit 22 and the network 2, together with the identifier of the power reception device 10, information indicating that power transmission to the power reception device 10 is started.

  In the process of step S <b> 23, the control unit 26 starts power transmission by the power transmission unit 21 to the power receiving 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 S <b> 24, the control unit 26 transmits information regarding power transmission to the management device 30 via the communication unit 22 and the network 2.

  In the process of step S <b> 25, the control unit 26 determines whether a power transmission restriction instruction is received from the management device 30 via the network 2 and the communication unit 22. When it determines with the control part 26 having received the instruction | indication of the power transmission restriction | limiting (step S25: Yes), it progresses to the process of 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 S <b> 27, the control unit 26 determines whether a power transmission restriction release instruction has been received from the management device 30 via the network 2 and the communication unit 22. When it determines with the control part 26 having received the cancellation | release instruction | indication of the power transmission restriction | limiting (step S27: Yes), it progresses to the process of 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 on power transmission to the power receiving device 10 in accordance with the instruction for releasing the power transmission restriction acquired from the management device 30. Thereafter, the control unit 26 performs the process of step S25 again.

  In the process of step S <b> 27, the control unit 26 may determine whether a power transmission restriction relaxation instruction has been received from the management device 30 via the network 2 and the communication unit 22. In this case, when it is determined that the power transmission restriction relaxation instruction has been received, the control unit 26 proceeds to the process of step S28. In the process of step S <b> 28 at this time, the control unit 26 relaxes the restriction on power transmission to the power receiving apparatus 10 in accordance with the power transmission restriction relaxation instruction acquired from the management apparatus 30.

[Operation of management device]
FIG. 7 is a flowchart illustrating an example of the operation of the management apparatus 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 that the power reception device 10 starts transmitting power together with the identifier of the power reception device 10, the control unit 33 starts processing.

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

  In the processes of steps S31A to 31D, the control unit 33 determines whether or not to limit power transmission from the power transmission device 20 to the power reception device 10 based on information regarding 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 power received by 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 or not the state information of the power receiving device 10 satisfies a predetermined condition. When it is determined that the state information of the power receiving device 10 satisfies the predetermined condition (step S31A: Yes), the control unit 33 proceeds to the process of step S31B. On the other hand, when it determines with the status information of the power receiving apparatus 10 not satisfy | filling predetermined conditions (step S31A: No), the control part 33 progresses to the process of step S32A.

  In the process of step S31B, the control unit 33 determines whether or not the total power reception time of the power reception device 10 exceeds the time threshold. When it is determined that the total power reception time exceeds the time threshold (step S31B: Yes), the control unit 33 proceeds to the process of 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 control unit 33 proceeds to the process of step S31C.

  In the process of step S31C, the control unit 33 determines whether the received power amount of the power receiving device 10 exceeds the power amount threshold value. When it is determined that the received power amount exceeds the power amount threshold value (step S31C: Yes), the control unit 33 proceeds to the process of step S32B. On the other hand, when it determines with the received electric power amount being below an electric energy threshold value (step S31C: No), the control part 33 progresses to the process of step S31D.

  In the process of step S31D, the control unit 33 determines whether or not the number of power receiving devices to be transmitted exceeds a predetermined number. When it is determined that the number of power receiving devices to be transmitted exceeds the predetermined number (step S31D: Yes), the control unit 33 proceeds to the process of step S32C. On the other hand, when the control unit 33 determines that the number of power receiving 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 S <b> 32 </ b> A, the control unit 33 transmits to the power receiving device 10 via the communication unit 31 and the network 2 that the power transmission of (1A) is limited. In the process of step S <b> 32 </ b> B, the control unit 33 transmits to the power receiving apparatus 10 that the power transmission of (2A) is limited via the communication unit 31 and the network 2. In the process of step S <b> 32 </ b> C, the control unit 33 transmits to the power receiving device 10 via the communication unit 31 and the network 2 that the power transmission is limited to the above (3A).

In the processing 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 34C, the control unit 33 determines whether or not to cancel the power transmission restriction.

  In the process of step S34A, the control unit 33 determines whether or not the state information of the power receiving device 10 included in the information regarding power transmission received after the process of step S33A satisfies a predetermined condition. When it is determined that the state information of the power receiving device 10 satisfies the predetermined condition (step S34A: Yes), the control unit 33 proceeds to the process of step S35. On the other hand, when it determines with the status information of the power receiving apparatus 10 not satisfy | filling predetermined conditions (step S34A: No), the control part 33 performs the process of step S34A again.

  In the process of step S <b> 34 </ b> B, the control unit 33 determines whether a predetermined signal is received from the outside via the network 2 and the communication unit 31. When it is determined that the predetermined signal has been received from the outside (step S34B: Yes), the control unit 33 proceeds to the process of step S35. On the other hand, when not determining 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 receiving devices to be transmitted included in the information regarding 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 receiving devices to be transmitted is equal to or less than the predetermined number (step S34C: Yes), the control unit 33 proceeds to the process of step S35. On the other hand, when the control unit 33 determines that the number of power receiving 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 S <b> 35, 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 apparatus 10 that the power transmission restriction is canceled via the network 2 and the communication unit 31.

  In the process of step S <b> 35, the control unit 33 may transmit a power transmission restriction relaxation instruction to the power transmission device 20 via the network 2 and the communication unit 31 instead of the power transmission restriction release instruction. In this case, in the process of step S36, the control unit 33 transmits a message indicating that power transmission is relaxed to the power receiving apparatus 10 via the network 2 and the communication unit 31 instead of canceling the power transmission restriction. Good.

  As described above, in the power supply system 1 according to the first embodiment, power transmission from the power transmission device 20 to the power reception device 10 is limited based on information regarding power transmission. By such control, according to the present embodiment, an improved power supply 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” described above, the power feeding system 1 restricts 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 overcharge.

  Further, for example, when the power supply system 1 determines that the total power reception time of the power receiving device 10 exceeds the time threshold, that is, “(2) Power transmission as a consideration for the product purchased by the customer at the store 3 is completed. When it is determined that the power is being processed, power transmission is limited. Similarly, when the power supply system 1 determines that the amount of power received by the power receiving apparatus 10 exceeds the power amount threshold value, that is, the above-mentioned “(2) Transmission as a consideration for the product purchased by the customer at the store 3 is completed. When it is determined that the power is being processed, power transmission is limited. By such control, the power feeding system 1 can prevent the profit of the store 3 from being reduced due to, for example, an electricity bill for power transmission.

  Further, for example, when the power feeding system 1 determines that the number of power receiving devices to be transmitted exceeds a predetermined number, that is, the above-described “(2) The store 3 may be in a power shortage due to power transmission”. Limit the power transmission. By such control, the power feeding system 1 can prevent, for example, the power supplied from the commercial power system to the store 3 from exceeding the contract power between the commercial power system and the store.

  Furthermore, in the power feeding system 1 according to the first embodiment, the above-described power amount threshold value or the above-described time threshold value can be set based on the priority based on the information of the customer. With such settings, the power supply system 1 can stimulate the customer's desire to purchase.

  In addition, when the power feeding system 1 according to the first embodiment restricts power transmission, the power feeding system 1 transmits a message indicating that power transmission is restricted to the power receiving device 10. Furthermore, the power receiving apparatus 10 displays on the display panel 15A that the power transmission is restricted and notifies the user. By such control, when the user does not want to be restricted by power transmission, for example, a dedicated application of the store 3 can be used to additionally order a product, and the store 3 can be paid for the additionally ordered product. it can. Therefore, the power feeding system 1 is excellent in convenience for the user.

  In addition, when the power transmission system 1 according to the first embodiment cancels (or relaxes) the power transmission restriction, the power supply system 1 transmits to the power receiving device 10 a message indicating that the power transmission restriction is canceled (or relaxed). Furthermore, the power receiving apparatus 10 displays on the display panel 15A that the restriction on power transmission is to be canceled and notifies the user. By such control, the user can know that the restriction on power transmission is released. Therefore, the power feeding system 1 is excellent in convenience for the user.

(Second Embodiment)
Next, a power feeding system according to the second embodiment of the present disclosure will be described. Below, it demonstrates centering on difference with 1st Embodiment.

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

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

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

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

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

  In the process of step S48, the power transmission device 20A determines whether or not to cancel the restriction on power transmission from the power transmission device 20A to the power reception device 10 in the same manner as the process of step S8 illustrated in FIG. When it is determined that the power transmission restriction is to be released (step S48: Yes), the power transmission device 20A proceeds to the process of step S49. On the other hand, when it is determined that the power transmission restriction is not released (step S48: No), the power transmission device 20A performs the process of step S48 again.

  In the process of step S49, the power transmitting device 20A transmits to the power receiving device 10 a message indicating that power transmission is restricted. In the process of step S50, the power transmission device 20 releases the restriction on power transmission to the power reception device.

  Note that in the process of step S48, the power transmission device 20A may determine whether or not to relax the power transmission limitation instead of determining whether or not to cancel the power transmission limitation. When it is determined that the power transmission restriction is relaxed, the power transmission device 20A may relax the power transmission restriction instead of releasing the power transmission restriction in the process of step S67. Similarly, in step S68, the power transmission device 20A may transmit to the power receiving device 10 information indicating that the power transmission limitation is relaxed instead of canceling the power transmission limitation.

[Operation of power transmission equipment]
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. Similarly to the first embodiment, in the second embodiment, when the control unit 26 receives a power transmission request from the power receiving device 10 together with the identifier of the power receiving device 10 via the network 2 and the communication unit 22, the control unit 26 starts processing.

  The processing in steps S60 to S62 is the same as the processing in steps S20, S21, and S23 shown in FIG.

  In the processing of steps S63A to S63D, the control unit 26 determines whether or not to limit power transmission from the power transmission device 20A to the power reception device 10 based on information regarding 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.

  In the process of step S64A, the control unit 26 transmits to the power receiving apparatus 10 via the communication unit 22 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 that the power transmission of (2A) described above in the first embodiment is limited. In the process of step S <b> 64 </ b> C, the control unit 26 transmits to the power receiving device 10 via the communication unit 22 that the power transmission is limited to (3A) described above in the first embodiment.

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

  In the processing of steps S66A to 66C, the control unit 26 determines whether or not to cancel the restriction on power transmission from the power transmission device 20A to the power reception device 10. The control unit 26 performs the processes of steps S66A to 66C in the same manner as the processes of steps 34A to 34C illustrated in FIG.

  In the process of step S <b> 67, the control unit 26 releases the restriction on power transmission to the power receiving device 10 by the power transmission unit 21. In the process of step S68, the control unit 26 transmits to the power receiving apparatus 10 via the communication unit 22 that the power transmission restriction is to be released.

  In the process of step S67, the control unit 26 may relax the restriction on power transmission instead of releasing the restriction on power transmission. In this case, the control unit 26 may transmit to the power receiving device 10 via the communication unit 22 that the power transmission is relaxed instead of canceling the power transmission restriction in the process of step S68.

  In the power feeding system 1A according to the second embodiment, other effects and configurations are the same as 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 variations and modifications based on the present disclosure. Accordingly, 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 a plurality of components, steps, etc. can be combined into one or divided. . Also, an embodiment of the present disclosure has been described centering on an apparatus. However, the present disclosure can also be realized as a method, a program, or a storage medium recording the program, which is executed by a processor included in the apparatus. Accordingly, it should be understood that these are also included in the scope of the present disclosure.

DESCRIPTION OF SYMBOLS 1,1A Power feeding system 2 Network 3 Store 10, 10A, 10B Power receiving apparatus 11 Power receiving part 11A Antenna 11B Rectifier circuit 12 Communication part 13 Power storage part 14 Sensor part 14A Temperature sensor 14B Acceleration sensor 14C Proximity sensor 15 Display part 15A Display panel 15B Touch Sensor 16 Input unit 17 Storage unit 18 Control unit 20, 20A Power transmission device 21 Power transmission unit 21A Antenna 21B Oscillator 22 Communication unit 23 Power storage unit 24 Measurement unit 24A Timer 25 Storage unit 26 Control unit 30 Management device 31 Communication unit 32 Storage unit 33 Control Part

Claims (19)

A power transmission device for transmitting power wirelessly;
A power receiving device that wirelessly receives power from the power transmitting device;
And a management device that restricts the power transmission based on information related to power transmission from the power transmission device to the power reception device. The power feeding system according to claim 1,
The information regarding the power transmission includes state information of the power receiving device,
The management device limits the power transmission when the state information does not satisfy a predetermined condition. In the electric power feeding system of Claim 2,
When the state information comes to satisfy the predetermined condition when the power transmission is restricted, the management device releases or relaxes the restriction on the power transmission. In the electric power feeding system as described in any one of Claim 1 to 3,
The information on the power transmission includes a total power reception time of the power receiving device,
The power management system, wherein the management device limits the power transmission when the total power reception time exceeds a time threshold. In the electric power feeding system of Claim 4,
The power supply system, wherein the time threshold is set based on a priority of a customer associated with an identifier of the power receiving device. In the electric power feeding system as described in any one of Claim 1 to 5,
The information on the power transmission includes the amount of received power of the power receiving device,
The said management apparatus is a electric power feeding system which restrict | limits the said power transmission when the said received electric energy exceeds the electric energy threshold value. The power feeding system according to claim 6,
The power amount threshold is set based on a priority of a customer associated with an identifier of the power receiving device. In the electric power feeding system as described in any one of Claim 1 to 7,
The limitation of the power transmission includes the stop of the power transmission, the expansion of the second section in the power transmission cycle including the first section in which the power transmission is performed and the second section in which the power transmission is not performed, and the reduction of the power amplitude in the power transmission. A power supply system including one of them. The power supply system according to claim 8, wherein
A power feeding system in which the degree of expansion of the second section or the degree of reduction of the power amplitude increases as the total power receiving time during which the power receiving apparatus receives power or the amount of power received by the power receiving apparatus increases. . In the electric power feeding system according to any one of claims 1 to 9,
When the management device restricts the power transmission, the management device transmits to the power receiving device a message indicating that the power transmission is restricted. In the electric power feeding system according to any one of claims 1 to 9,
When the power transmission is restricted, the management device releases or relaxes the restriction on the power transmission when a predetermined signal is received from the outside. The power feeding system according to claim 11,
The power management system, wherein the management device transmits a message to the effect that the restriction on power transmission is released or relaxed to the power receiving device. A method for controlling a power supply system including a power transmission device, a power reception device, and a management device,
The power transmission device wirelessly transmits power; and
The power receiving device wirelessly receiving power from the power transmitting device;
And a step of limiting the power transmission based on information related to power transmission from the power transmission device to the power reception device. A power transmission device for transmitting power wirelessly;
A power receiving device that wirelessly receives power from the power transmitting device,
The power transmission device limits the power transmission based on information related to power transmission from the power transmission device to the power reception device. A method for controlling a power feeding system including a power transmitting device and a power receiving device,
The power transmission device wirelessly transmits power; and
The power receiving device wirelessly receiving power from the power transmitting device;
The power transmission device includes a step of restricting the power transmission based on information related to power transmission from the power transmission device to the power reception device. A power receiving device for receiving power wirelessly,
A communication unit that communicates with an external device that controls transmission of the power;
A power receiving apparatus comprising: a control unit that transmits state information of the power receiving apparatus to the external device via the communication unit in order to limit power transmission of the power. The power receiving device according to claim 16,
The control unit is a power reception device that transmits the state information and an identifier of the power reception device to the external device via the communication unit. The power receiving device according to claim 16 or 17,
A display unit;
When the control unit detects that it has entered a power transmission range restricted by the external device, it activates an application for executing a service provided by a facility where the external device is disposed,
When the control unit detects that the application has entered the power transmission area when the application is not installed in the power receiving device, the control unit displays on the display unit a message that encourages installation of the application. apparatus. The power receiving device according to claim 18,
The control unit transmits a signal indicating that the facility has been paid to the external device via the communication unit when the application is paid for the facility.

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