Display control device, display control system, terminal device, program, and display control method

Abstract

To provide a display control device, a display control system, a terminal device, a program, and a display control method capable of viewing an energy situation of an HEMS apparatus or the like more easily than before.SOLUTION: A display control device includes a first display control unit and a second display control unit. The first display control unit includes a button for giving an instruction to transition to a second screen that displays at least one of power and an amount of power related to a device installed in a target space, and causes a display unit to display a first screen that is a top screen in smart home service. The second display control unit causes the display unit to display the second screen when the button is operated.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present invention relates to a display control device, a display control system, a terminal device, a program, and a display control method. [Background technology]

[0002] There is application software that can display the status of each room in a home, the current weather, etc. In such application software, for example, after operating the menu button to display the side menu, you can check the energy status of HEMS (home energy management system) devices by pressing the "Energy Usage Status" button. However, for users who want to see the energy status of HEMS devices, the need for such operations makes it difficult to do so. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2022-1581692 Summary of the Invention [Problem to be solved by the invention]

[0004] The problem that the embodiments of the present invention aim to solve is to provide a display control device, a display control system, a terminal device, a program, and a display control method that make it easier than ever to view the energy status of HEMS devices and the like. [Means for solving the problem]

[0005] A display control device according to an embodiment includes a first display control unit and a second display control unit. The first display control unit includes a button for instructing transition to a second screen that displays at least one of the power and the amount of power related to devices installed in a target space, and causes the display unit to display the first screen, which is a top screen for a smart home service. When the button is operated, the second display control unit causes the display unit to display the second screen. [Brief explanation of the drawings]

[0006] [Figure 1] 1 is a block diagram showing an example of a display system according to an embodiment and a main configuration of components included in the display system. [Figure 2] 2 is a flowchart showing an example of processing by a processor of the server device in FIG. 1; [Figure 3] 2 is a flowchart showing an example of processing by a processor of the terminal device in FIG. 1; [Figure 4] FIG. 2 is a diagram showing an example of a first top screen displayed on the display device in FIG. 1. [Figure 5] FIG. 2 is a diagram showing an example of a second top screen displayed on the display device in FIG. 1. [Figure 6] FIG. 2 is a diagram showing an example of an energy screen displayed on the display device in FIG. 1. DETAILED DESCRIPTION OF THE INVENTION

[0007] Hereinafter, a display system according to an embodiment will be described with reference to the drawings. Note that the scale of each part in each drawing used in the following description of the embodiment may be changed as appropriate. Also, for the sake of explanation, each drawing used in the following description of the embodiment may omit the configuration. Also, in each drawing and in this specification, the same reference numerals indicate similar elements.

[0008] FIG. 1 is a block diagram illustrating an example of a display system 1 according to an embodiment and a main configuration of the components included in the display system 1. Note that each component of the device may be built-in or external. The display system 1 is a system that provides a smart home service. The smart home service is a service that enables information about devices installed in a home H to be displayed on a terminal device 200. The smart home service is a service that enables the devices to be controlled from the terminal device 200. The smart home service can display various information such as the energy status of HEMS devices installed in the home H. The energy status will be described later. The smart home service can also display the status of each room in the home and the current weather. As an example, the display system 1 includes a server device 100, a terminal device 200, a gateway 300, a distribution board 400, a power generation device 500, a power storage device 600, and various devices 700. Note that the display system 1 may include some of these. Although FIG. 1 illustrates only one of each device, the number of each device is not limited. 1 are installed in one house H. However, the display system 1 may include multiple houses H. The house H is an example of a target space in which devices are installed. The display system 1 is an example of a display control system.

[0009] The server device 100 is connected to a network NW1. The network NW1 is a communication network that typically includes the Internet. The network NW1 is a communication network that typically includes a WAN (wide area network). The network NW1 is a communication network that includes a public mobile phone network, etc.

[0010] The gateway 300, the distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700 are connected to a network NW2. The network NW2 is typically a communication network including a private network such as an intranet. The network NW2 is typically a communication network including a LAN.

[0011] The terminal device 200 is connected to at least one of the network NW1 and the network NW2.

[0012] Network NW2 is connected to network NW1 via a gateway such as a router.

[0013] The server device 100 is a server device that provides a smart home service. The server device 100 includes, for example, a processor 101, a ROM (read-only memory) 102, a RAM (random-access memory) 103, an auxiliary storage device 104, and a communication interface 105. A bus 106 and the like connect these components. The server device 100 is an example of a display control device.

[0014] The processor 101 is a central part of a computer that performs various calculations and processes, such as calculations and controls, necessary for the operation of the server device 100. The processor 101 may be, for example, a central processing unit (CPU), a microprocessing unit (MPU), a system on a chip (SoC), a digital signal processor (DSP), a graphics processing unit (GPU), an application-specific integrated circuit (ASIC), a programmable logic device (PLD), or a field-programmable gate array (FPGA). Alternatively, the processor 101 may be a combination of several of these. The processor 101 may also be a combination of these with a hardware accelerator or the like. The processor 101 controls each component to realize various functions of the server device 100 based on programs such as firmware, system software, and application software stored in the ROM 102 or the auxiliary storage device 104. The processor 101 also executes the processes described below based on the programs. Note that some or all of the programs may be incorporated into the circuitry of the processor 101.

[0015] The ROM 102 and RAM 103 are the main storage devices of the computer centered around the processor 101. The ROM 102 is a non-volatile memory used exclusively for reading data. The ROM 102 stores, for example, firmware among the above programs. The ROM 102 also stores data used by the processor 101 when it performs various processes.

[0016] The RAM 103 is a memory used for reading and writing data. The RAM 103 is used as a work area for storing data that is temporarily used when the processor 101 performs various processes. The RAM 103 is typically a volatile memory.

[0017] The auxiliary storage device 104 is an auxiliary storage device of a computer centered around the processor 101. The auxiliary storage device 104 is, for example, an EEPROM (electric erasable programmable read-only memory), an HDD (hard disk drive), or a flash memory. The auxiliary storage device 104 stores, for example, system software and application software among the above programs. The auxiliary storage device 104 also stores data used by the processor 101 when performing various processes, data generated by the processes in the processor 101, various setting values, and the like.

[0018] The data stored in the auxiliary storage device 104 includes, for example, a gateway database (DB) and a user DB.

[0019] The gateway DB is a database that stores and manages information about each gateway 300. The gateway DB stores a gateway ID in association with one or more user IDs. The gateway ID is identification information unique to each gateway 300. The authority information is information indicating the viewing authority of a user of the smart home service (hereinafter simply referred to as "user"). The user ID is identification information unique to each user. The user ID associated with a gateway ID is the user ID of the user who uses the gateway 300 identified by the gateway ID. The gateway DB also stores registration information in association with the gateway ID. The registration information is information indicating the devices registered in the gateway 300 identified by the associated gateway ID. The same user ID may be associated with multiple gateway IDs.

[0020] The user DB is a database that stores and manages information about each user. For each user, the user DB stores a user ID (identifier) ​​in association with category information, authority information, display setting information, and user information.

[0021] The type information indicates the type of user identified by the associated user ID. There are two types of users, for example, an owner user and a child user.

[0022] The authority information indicates the viewing authority of the user identified by the associated user ID, and includes information indicating whether the user has the authority to view the energy status.

[0023] The display setting information indicates whether the energy tab is displayed for the user identified by the associated user ID. The user can change this setting. The user may be either an owner user or a child user. However, if the user is a child user, they may only be able to change this setting if they have the authority to view the energy status. The energy tab will be described later.

[0024] The user information includes various information about a user identified by an associated user ID.

[0025] The user DB also stores the user ID of the owner user in association with the user ID of the child user. The user ID of the child user associated with the user ID of the owner user is the user ID of the child user created by the owner user.

[0026] An owner user can create a child user. The user ID of a child user created by an owner user is associated with the gateway ID of the gateway 300 specified by the owner user. The processor 101 associates the user ID with the gateway ID by updating the gateway DB. However, the gateway 300 that can be specified by the owner user is the gateway 300 identified by the gateway ID associated with the user ID of the owner user. In addition, the user ID of a child user created by an owner user is associated with the user ID of the owner user. The processor 101 associates the user ID of the child user with the user ID of the owner user by updating the user DB.

[0027] In addition, the owner user can change the viewing authority of a child user created by the owner user. The processor 101 changes the viewing authority by rewriting the authority information associated with the user ID of the child user.

[0028] The communication interface 105 is an interface for the server device 100 to communicate via the network NW1 or the like.

[0029] The bus 106 includes a control bus, an address bus, a data bus, etc., and transmits signals exchanged between each part of the server device 100 .

[0030] The terminal device 200 is a device used by a user of a smart home service (hereinafter simply referred to as "user") to use the smart home service. The terminal device 200 accepts operations by the user indicating instructions for the smart home service. The terminal device 200 also notifies the user of various information related to the smart home service. The terminal device 200 is, for example, a general-purpose device such as a smartphone, a tablet terminal, or a PC (personal computer). Alternatively, the terminal device 200 may be a dedicated terminal device for smart homes. Typically, the terminal device 200 is a smartphone. The terminal device 200 includes, for example, a processor 201, a ROM 202, a RAM 203, an auxiliary storage device 204, a communication interface 205, a display device 206, and an input device 207. A bus 208 and the like connect these components. The terminal device 200 is an example of a display unit.

[0031] The processor 201 is the central part of a computer that performs various calculations and processes, such as calculations and controls, necessary for the operation of the terminal device 200. The processor 201 is, for example, a CPU, MPU, SoC, DSP, GPU, ASIC, PLD, or FPGA. Alternatively, the processor 201 may be a combination of several of these. The processor 201 may also be a combination of these with a hardware accelerator or the like. The processor 201 controls each unit to realize various functions of the terminal device 200 based on programs such as firmware, system software, and application software stored in the ROM 202 or the auxiliary storage device 204. The processor 201 also executes the processes described below based on the programs. Note that some or all of the programs may be incorporated into the circuitry of the processor 201.

[0032] The ROM 202 and RAM 203 are main storage devices of the computer centered around the processor 201. The ROM 202 is a non-volatile memory used exclusively for reading data. The ROM 202 stores, for example, firmware among the above programs. The ROM 202 also stores data used by the processor 201 when it performs various processes.

[0033] The RAM 203 is a memory used for reading and writing data. The RAM 203 is used as a work area for storing data that is temporarily used when the processor 201 performs various processes. The RAM 203 is typically a volatile memory.

[0034] The auxiliary storage device 204 is an auxiliary storage device of a computer centered around the processor 201. The auxiliary storage device 204 is, for example, an EEPROM, a HDD, or a flash memory. The auxiliary storage device 204 stores, for example, system software and application software among the above programs. The auxiliary storage device 204 also stores data used by the processor 201 when performing various processes, data generated by the processes in the processor 201, various setting values, and the like.

[0035] The application software stored in the auxiliary storage device 204 includes, for example, application software for using smart home services (hereinafter referred to as "smart apps"). The smart apps may be software dedicated to smart home services, or general-purpose software such as a web browser.

[0036] The communication interface 205 is an interface for the terminal device 200 to communicate via the network NW1, the network NW2, etc. The communication interface 205 is an example of a communication device.

[0037] The display device 206 displays a screen for notifying various pieces of information to the operator of the terminal device 200. The display device 206 is, for example, a display such as a liquid crystal display or an organic EL (electro-luminescence) display. The display device 206 is an example of a display unit.

[0038] The input device 207 accepts operations by an operator of the terminal device 200. The input device 207 is, for example, a keyboard, a keypad, a touchpad, a mouse, or a controller. The input device 207 may also be a device for voice input. A touch panel may also be used as the display device 206 and the input device 207. In this case, the display panel included in the touch panel functions as the display device 206. And, a pointing device included in the touch panel that is capable of receiving touch input functions as the input device 207.

[0039] The bus 208 includes a control bus, an address bus, a data bus, etc., and transmits signals exchanged between the various components of the terminal device 200 .

[0040] The gateway 300 communicates with the server device 100 via the network NW1 and the network NW2. The gateway 300 also communicates with the distribution board 400, the power generation device 500, the power storage device 600, and various devices 700 via the network NW2.

[0041] The gateway 300 is capable of registering devices. Here, the devices refer to the distribution board 400, the power generation device 500, the power storage device 600, and various devices 700. The gateway 300 acquires various information from the registered devices. The various information includes information indicating the energy status of the devices. The energy status indicates at least one of the power and the amount of power of the devices. The energy status indicates, for example, the power sold, the amount of power sold, the power purchased, the amount of power purchased, the power consumption, the amount of power consumed, the power generated, the amount of power generated, the charging power, the amount of charging power, the charging rate, the discharged power, the amount of discharged power, and the charge / discharge status. Note that each amount of power indicates, for example, at least one of the amount of power in the most recent specified period and the amount of power accumulated since the start of measurement. The charge / discharge status indicates whether the power storage device 600 is charging or discharging. Note that the energy status is an example indicating at least one of the power and the amount of power related to the devices installed in the target space.

[0042] The registration of a device to the gateway 300 is performed automatically or manually. In the automatic case, the gateway 300 searches for devices connected to the network NW2, finds the devices, and registers the devices.

[0043] The gateway 300 also controls the registered devices. The gateway 300 may be able to communicate with the distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700 without going through the network NW2.

[0044] The energy status acquired by the gateway 300 from the distribution board 400 includes the power sold, the amount of power sold, the power purchased, and the amount of power purchased. The energy status acquired by the gateway 300 from the power generation device 500 includes, for example, the power generated and the amount of power generated by the power generation device 500. The energy status acquired by the gateway 300 from the power storage device 600 includes, for example, the charging power, the amount of charging power, the charging rate, the discharging power, the amount of discharging power, and the charging and discharging status of the power storage device 600. The information acquired by the gateway 300 from the various devices 700 includes, for example, the power consumption and the amount of power consumption of the various devices 700. The gateway 300 acquires the energy status by, for example, receiving the energy status transmitted from each device.

[0045] The distribution board 400 supplies the power supplied from the power system EG to the power storage device 600, various devices 700, etc. The distribution board 400 also supplies the power supplied from the power generation device 500 to the power system EG. The distribution board 400 also supplies the power supplied from the power generation device 500 to the power storage device 600, various devices 700, etc.

[0046] The power generation device 500 is a device or facility having a power generation function. The power generation device 500 is, for example, a device or facility that generates power using solar power, wind power, or hydraulic power. The power generation device 500 is, for example, a fuel cell. The power generation device 500 is, for example, an electric vehicle that has a device capable of generating power, such as a generator or a fuel cell.

[0047] The power storage device 600 is a device that has a power storage function. The power storage device 600 is, for example, a storage battery. The power storage device 600 is, for example, an electric vehicle that has a device that can store power, such as a storage battery. The electric vehicle is, for example, an electric vehicle, a hybrid vehicle, or a fuel cell vehicle.

[0048] The display system 1 may include a device in which the power generation device 500 and the power storage device 600 are integrated into one unit.

[0049] The various devices 700 are devices that operate using power supplied from the distribution board 400. The various devices 700 are also devices that can communicate with the gateway 300. The various devices 700 include, for example, electric shutters, electric lights, electric locks, cameras, electric windows, crescent sensors, door / window sensors, human sensors, environmental sensors, various sensors, air conditioning equipment, smart home appliances, video equipment, and audio equipment.

[0050] The operation of the display system 1 according to the embodiment will be described below with reference to Figs. 2 and 3. Note that the content of the processing in the following operation description is an example, and various processes that can obtain similar results can be used as appropriate. Fig. 2 is a flowchart showing an example of processing by the processor 101 of the server device 100. The processor 101 executes the processing of Fig. 2 based on a program stored in, for example, the ROM 102 or the auxiliary storage device 104. Fig. 3 is a flowchart showing an example of processing by the processor 201 of the terminal device 200. The processor 201 executes the processing of Fig. 3 based on a program stored in, for example, the ROM 202 or the auxiliary storage device 204.

[0051] 3 when displaying the top screen of the smart home service. The processor 201 of the terminal device 200 displays the top screen, for example, when a smart app is launched. The processor 201 displays the top screen when a web page of the smart home service is accessed using a web browser.

[0052] To use some or all of the functions of the smart home service, a user must be logged in to the smart home service. The terminal device 200 logs in to the smart home service using, for example, a user ID. This login may be automatic or may require operation by the operator of the terminal device 200. When the terminal device 200 is currently logged in to the smart home service, it stores at least one of the user ID used for the login and the session ID assigned during the login. The user ID or the session ID will be referred to as a "login ID" below. However, for simplicity, the following description will be given taking the case where the login ID is the user ID as an example. Furthermore, the user identified by the login ID will be referred to as a logged-in user.

[0053] In step ST31, the processor 201 generates a top request. The top request includes, as an example, a login ID. The top request is information requesting the transmission of information necessary for displaying the top screen in the smart home service. After generating the top request, the processor 201 instructs the communication interface 205 to transmit the top request to the server device 100. Upon receiving this transmission instruction, the communication interface 205 transmits the top request to the server device 100. The transmitted top request is received by the communication interface 105 of the server device 100.

[0054] 2, the processor 101 of the server device 100 determines whether or not a top request has been received by the communication interface 105. If a top request has not been received, the processor 101 determines No in step ST11 and proceeds to step ST12.

[0055] In step ST12, the processor 101 determines whether or not a screen request has been received by the communication interface 105. If a screen request has not been received, the processor 101 determines No in step ST12 and proceeds to step ST13.

[0056] In step ST13, the processor 101 determines whether or not an energy request has been received by the communication interface 105. If an energy request has not been received, the processor 101 determines No in step ST13 and returns to step ST11. Thus, the processor 101 enters a standby state in which steps ST11 to ST13 are repeated until a top request, a screen request, or an energy request is received. The screen request and the energy request will be described later.

[0057] If a top request is received while processor 101 is in a standby state where steps ST11 to ST13 are repeated, processor 101 determines Yes in step ST11 and proceeds to step ST14.

[0058] In step ST14, the processor 101 identifies the gateway 300 used by the user identified by the login ID in the top request received in step ST11. That is, the processor 101 references the gateway DB and acquires the gateway ID associated with the login ID. If there are multiple such gateway IDs, the processor 101 acquires one of them. In this case, the processor 101 determines which one to acquire based on a predetermined rule. The rule may be, for example, acquiring the last acquired gateway ID, acquiring the gateway ID of the gateway 300 specified by the user, or acquiring one randomly. The gateway 300 identified here will be referred to as the "specific gateway" hereinafter.

[0059] In step ST15, the processor 101 identifies the devices registered in the specific gateway. To this end, the processor 101 refers to the gateway DB and acquires registration information associated with the gateway ID acquired in step ST14. The registration information is information indicating the devices registered in the gateway 300 identified by the gateway ID. In other words, the registration information is information indicating the distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700 registered in the gateway 300.

[0060] In step ST16, the processor 101 determines whether or not a device other than the distribution board 400 that is the target for displaying the energy status is registered in the specific gateway. A device other than the distribution board 400 that is the target for displaying the energy status is, for example, a HEMS device. For example, the processor 101 considers a device that satisfies the following (A1) to be a HEMS device. Alternatively, the processor 101 considers a device that satisfies the following (A1) and (A2) to be a HEMS device. Alternatively, the processor 101 considers a device that satisfies the following (A1) and (A3) to be a HEMS device. Alternatively, the processor 101 considers a device that satisfies all of the following (A1) to (A3) to be a HEMS device. The power generation device 500 and the power storage device 600 satisfy all of (A1) to (A3).

[0061] (A1) The gateway 300 can acquire energy status. (A2) A device that can be controlled by the gateway 300. (A3) Having at least one of a charging function and a storage function.

[0062] If one or more devices for which the energy status is to be displayed are registered in the specific gateway, the processor 101 determines "Yes" in step ST16 and proceeds to step ST17.

[0063] In step ST17, the processor 101 refers to the user DB to acquire authority information and display setting information associated with the login ID in the top request received in step ST11. Then, the processor 101 refers to the authority information to confirm whether the user has authority to view the energy status. Furthermore, the processor 101 refers to the display setting information to confirm whether the user's settings are set to display the energy tab.

[0064] In step ST18, processor 101 determines whether or not the user has the authority to view the energy status based on the result of the confirmation in step ST17. If the user has the authority to view the energy status, processor 101 determines Yes in step ST18 and proceeds to step ST19.

[0065] In step ST19, processor 101 determines whether the user's setting is to display the energy tab based on the result of the confirmation in step ST17. If the setting is to display the energy tab, processor 101 determines Yes in step ST19 and proceeds to step ST20.

[0066] In step ST20, the processor 101 generates first top information. The first top information is top information that instructs the display of a first top screen. The top information is information that instructs the display of a top screen. The top information includes some or all of the information necessary to display the top screen. The top information also includes the gateway ID of a specific gateway. The first top information includes some or all of the information necessary to display the first top screen. The first top screen will be described later. After generating the first top information, the processor 101 instructs the communication interface 105 to transmit the first top information to the terminal device 200 that is the sender of the top request. Upon receiving this transmission instruction, the communication interface 105 transmits the first top information to the terminal device 200. The transmitted first top information is received by the communication interface 205 of the terminal device 200. After processing step ST20, the processor 101 returns to step ST11.

[0067] The first top screen includes a button for instructing transition to a second screen that displays at least one of the power and the amount of power related to devices installed in the target space, and is an example of a first screen that is a top screen in the smart home service. Therefore, by performing the processing of step ST20, the processor 101 functions as an example of a first display control unit. The first display control unit includes the button and causes the display unit to display the first screen that is the top screen in the smart home service. Alternatively, the first control unit instructs the terminal device to display the first screen.

[0068] If no target device for displaying the energy status is registered in the specific gateway, the processor 101 determines No in step ST16 and proceeds to step ST21. If the user does not have the authority to view the energy status, the processor 101 determines No in step ST18 and proceeds to step ST21. If the user's setting is such that the energy tab is not displayed, the processor 101 determines No in step ST19 and proceeds to step ST21.

[0069] In step ST21, the processor 101 generates second top information. The second top information is top information that instructs the display of a second top screen. The second top information includes some or all of the information necessary to display the second top screen. The second top screen will be described later. After generating the second top information, the processor 101 instructs the communication interface 105 to transmit the second top information to the terminal device 200 that is the sender of the top request. Upon receiving this transmission instruction, the communication interface 105 transmits the second top information to the terminal device 200. The transmitted second top information is received by the communication interface 205 of the terminal device 200. After processing step ST21, the processor 101 returns to step ST11.

[0070] The second top screen is an example of a first screen that does not include a button for instructing transition to the second screen. Furthermore, the target device for displaying the energy status is an example of a target device for displaying at least one of power and energy. Therefore, by executing the processes of steps ST15, ST16, ST20, and ST21, the processor 101 functions as an example of a first display control unit. When a target device for displaying at least one of power and energy is installed in the target space, the first display control unit displays the first screen that includes the button, and when a target device for displaying at least one of power and energy is not installed in the target space, the first display control unit displays the first screen that does not include the button.

[0071] Processor 101 also functions as an example of a first display control unit by executing the processes of steps ST17 to ST20 and ST21. The first display control unit displays the first screen including a button for instructing transition to the second screen if the user has authority to view the second screen, and displays the first screen without the button if the user does not have authority to view the second screen.

[0072] Furthermore, processor 101 functions as an example of a first display control unit by executing the processes of steps ST15 to ST21. When a target device for displaying at least one of the power and the energy is installed in the target space and the user has authority to view the second screen, the first display control unit displays a first screen including a button for instructing transition to the second screen, and when not, displays the first screen without the button.

[0073] In step ST32, the processor 201 waits for the top information to be received by the communication interface 205. If the second top information is received, the processor 201 determines "Yes" in step ST32 and proceeds to step ST33.

[0074] In step ST33, processor 201 determines whether the top information received in step ST32 is the first top information. If the top information received in step ST32 is the first top information, processor 201 determines Yes in step ST33 and proceeds to step ST34.

[0075] In step ST34, the processor 201 uses the information included in the first top information received in step ST32 to generate an image corresponding to the first top screen SC1-1 as shown in Fig. 4. Then, the processor 201 instructs the display device 206 to display this generated image. In response to the display instruction, the display device 206 displays the first top screen.

[0076] FIG. 4 is a diagram showing an example of a first top screen SC1-1 displayed on the display device 206. The first top screen SC1-1 and a second top screen SC1-2 (described later) are both types of the top screen SC1. The first top screen SC1-1 is a top screen SC1 that includes an energy tab TA14. The top screen SC1 includes, as an example, areas AR11 to AR15 and a settings button B11. The area AR11 in the first top screen SC1-1 is an area AR11-1. Therefore, the first top screen SC1-1 includes an area AR11-1, areas AR12 to AR15, and a settings button B11.

[0077] The regions AR shown in this embodiment, i.e., regions AR11 to AR15 and a region AR21 described later, may each be configured as an image region that forms a single region. An image region is a region in which one piece of image information is partitioned and distinguished from other pieces of image information among a plurality of pieces of image information. The shape of the image region is not limited to a rectangle or the like. Furthermore, when individual pieces of image information are included in each image such as each region AR, each of these individual pieces of image information may also be configured as an image region that forms a single region.

[0078] Area AR11 is an area for displaying tabs. A tab is a type of control (widget) and a type of button. Tabs generally remain on the screen even after being operated. That is, the same tabs are displayed on the screen after switching. Area AR11-1 includes an energy tab TA14. Area AR11-1 displays, as an example, four tabs, tabs TA11 to TA13 and an energy tab TA14. Tabs TA11 to TA13 and energy tab TA14 are tabs for switching to screens defined for each tab. The operator operates the tab corresponding to the screen to which the operator wishes to switch, thereby instructing the terminal device 200 to switch to that screen.

[0079] The tab TA11 is a tab for switching to the top screen SC1.

[0080] Tab TA12 is a tab for switching to a list screen, which displays a list of devices registered in a specific gateway.

[0081] Tab TA13 is a tab for switching to a camera screen, which displays images captured by a camera registered in a specific gateway.

[0082] The energy tab TA14 is a tab for switching to the energy screen. The energy screen will be described later. The energy tab TA14 is an example of a button for instructing transition to a second screen.

[0083] Note that the area AR11 is not limited to the top screen SC1 and is included in other screens as well. The area AR11 is displayed so that the tab corresponding to the currently displayed screen can be identified. For this purpose, for example, while the top screen SC1 is displayed, the processor 101 makes the tab TA11 corresponding to the top screen SC1 look different from the other tabs.

[0084] Area AR12 displays the temperature and the on / off status of the lights for each room in the house H in which the specific gateway is installed.

[0085] Area AR13 is an area that displays a list of users who use a specific gateway, and also displays which of the users is the logged-in user.

[0086] Area AR14 is an area that displays the address and outside temperature of the house H in which the specific gateway is installed.

[0087] Area AR15 includes controls that the operator operates when instructing the terminal device 200 to change a specific gateway to another gateway 300. The gateway 300 to be changed is the gateway 300 used by the logged-in user.

[0088] The setting button B11 is a button that is operated when changing various settings.

[0089] If the top information received in step ST32 is not the first top information, processor 201 determines No in step ST33 and proceeds to step ST35.

[0090] In step ST35, processor 201 uses the information included in the second top information received in step ST32 to generate an image corresponding to second top screen SC1-2 as shown in Fig. 5. Then, processor 201 instructs display device 206 to display this generated image. In response to the display instruction, display device 206 displays the second top screen.

[0091] 5 is a diagram showing an example of the second top screen SC1-2 displayed on the display device 206. Unlike the first top screen SC1-1, the second top screen SC1-2 does not have an energy tab T14. The area AR11 on the second top screen SC1-2 is an area AR11-2. Therefore, the second top screen SC1-2 includes an area AR11-2, areas AR12 to AR15, and a setting button B11.

[0092] The area AR11-2 does not include the energy tab TA 14. The area AR11-2 displays, as an example, three tabs, TA11 to TA13.

[0093] In step ST36, processor 201 determines whether or not the energy tab TA14 has been operated. If the energy tab TA14 has not been operated, processor 201 determines No in step ST36 and proceeds to step ST37. Note that processor 201 may skip the processing of step ST36 and proceed to step ST37 while a screen not including the energy tab TA14 is being displayed.

[0094] In step ST37, processor 201 determines whether or not to transition from the currently displayed screen to another screen other than the energy screen. Processor 201 determines that a transition to another screen will occur when an operation instructing a transition to the other screen is performed. The operation is, for example, an operation of tabs TA11 to TA13, or an operation using another control. If processor 201 does not determine that a transition to another screen will occur, it determines No in step ST37 and returns to step ST36. Thus, processor 201 enters a standby state in which it repeats steps ST36 and ST37 until energy tab TA14 is operated or it determines that a transition to the other screen will occur.

[0095] If the energy tab TA14 is operated while processor 201 is in a standby state in which steps ST36 and ST37 are repeated, processor 201 determines "Yes" in step ST36 and proceeds to step ST38.

[0096] In step ST38, the processor 201 generates an energy request. The energy request includes, for example, a login ID and a gateway ID of a specific gateway. The energy request is information requesting the transmission of information necessary for displaying an energy screen. After generating the energy request, the processor 201 instructs the communication interface 205 to transmit the energy request to the server device 100. Upon receiving this transmission instruction, the communication interface 205 transmits the energy request to the server device 100. The transmitted energy request is received by the communication interface 105 of the server device 100.

[0097] The energy request is an example of information indicating that the second screen is to be displayed. Therefore, by performing the processes of steps ST36 and ST38 in cooperation with the communication interface 205, the processor 201 functions as an example of a communication unit. When a button instructing transition to the second screen is operated, the communication unit transmits information indicating that the second screen is to be displayed to the display control device. Furthermore, by performing the processes of steps ST36 and ST38, the processor 201 functions as an example of a communication control unit that controls the communication device to transmit information indicating that the second screen is to be displayed to the display control device when the button is operated.

[0098] On the other hand, if an energy request is received while processor 101 of server device 100 is in a standby state where steps ST11 to ST13 in FIG. 2 are repeated, processor 101 determines "Yes" in step ST13 and proceeds to step ST22.

[0099] In step ST22, the processor 101 acquires status information from the gateway 300. The gateway 300 is the gateway 300 identified by the gateway ID included in the energy request received in step ST13. The status information is information acquired by the gateway 300 and indicates the energy status of the devices registered in the gateway 300.

[0100] In step ST23, the processor 101 identifies the device registered in the gateway 300 identified by the gateway ID included in the energy request received in step ST13. To this end, the processor 101 refers to the gateway DB to obtain registration information associated with the gateway ID.

[0101] In step ST24, the processor 101 generates an image IM2 to be displayed on the energy screen SC2 based on the device identified in step ST23 (hereinafter referred to as the "specific device"). Image IM21 will be described using the image IM21 in FIG. 6 as an example.

[0102] FIG. 6 is a diagram showing an example of the energy screen SC2 displayed on the display device 206. Image IM21 includes image IM211. Image IM21 may include image IM212. Image IM21 may include image IM213. Image IM21 shown in FIG. 6 includes images IM211 to IM213. Image IM21 shown in FIG. 6 includes two types of images IM212, image IM212a and image IM212b. Image IM21 shown in FIG. 6 includes two types of images IM213, image IM213a and image IM213b. Image IM211 is an image showing a house H. Image IM212 is an image showing a power generation device 500. Image IM212a is an image showing a solar power generation facility. Image IM212b is an image showing a fuel cell. Image IM213 is an image showing a power storage device 600. Image IM213a is an image showing a storage battery. Image IM213b is an image showing an electric vehicle.

[0103] When the specific equipment includes a power generation device 500, the processor 101 generates an image IM21 including an image IM212. The processor 101 preferably generates an image IM21 including an image IM212 corresponding to the type of power generation device 500 included in the specific equipment. For example, when the power generation device 500 included in the specific equipment is a solar power generation facility, the processor 101 generates an image IM21 including an image IM212a corresponding to the solar power generation facility. For example, when the power generation device 500 included in the specific equipment is a fuel cell, the processor 101 generates an image IM21 including an image IM212b corresponding to the fuel cell. When the specific equipment includes multiple types of power generation devices 500, the processor 101 generates an image IM21 including an image IM212 corresponding to each type of power generation device 500, for each of the multiple types. For example, when the specific equipment includes two types of power generation devices 500, a solar power generation facility and a fuel cell, the processor 101 generates an image IM21 including an image IM212a and an image IM212b.

[0104] Furthermore, when the specific device includes a power storage device 600, the processor 101 generates an image IM21 including an image IM213. The processor 101 preferably generates an image IM21 including an image IM213 corresponding to the type of power storage device 600 included in the specific device. For example, when the power storage device 600 included in the specific device is a storage battery, the processor 101 generates an image IM21 including an image IM213a corresponding to the storage battery. For example, when the power storage device 600 included in the specific device is an electric vehicle, the processor 101 generates an image IM21 including an image IM213b corresponding to the electric vehicle. When the specific device includes multiple types of power storage devices 600, the processor 101 generates an image IM21 including an image IM213 corresponding to each type of power storage device 600, for each of the multiple types. For example, when the specific device includes two types of power storage devices 600, a storage battery and an electric vehicle, the processor 101 generates an image IM21 including an image IM213a and an image IM213b.

[0105] Furthermore, when the specific devices include various devices 700, the processor 101 may generate an image IM21 including an image showing the various devices 700. In this case, it is preferable that the processor 101 generates an image IM21 including an image corresponding to the type of the various devices 700 included in the specific devices.

[0106] The processor 101 generates the image IM21 by combining images prepared in advance. For example, the processor 101 generates the image IM21 shown in FIG. 6 by combining the image IM211, the image IM212a, the image IM212b, the image IM213a, the image IM213b, and other necessary images.

[0107] The processor 101 may generate part or all of the image IM21 using image generation AI (artificial intelligence).The processor 101 may generate part or all of the images IM211 to IM213 using image generation AI.

[0108] Instead of generating the image IM21, the processor 101 may obtain a previously generated image IM21 from the auxiliary storage device 204 or the like.

[0109] Each of the image IM211 and the image IM212 is an example of an image corresponding to a device installed in the target space.

[0110] In step ST25, the processor 101 generates energy information. The energy information is information instructing to display an energy screen. The energy information includes some or all of the information necessary for displaying the energy screen. The energy information includes, as information necessary for displaying the energy screen, the status information acquired in step ST22 and the image IM21 generated in step ST24. After generating the energy information, the processor 101 instructs the communication interface 105 to transmit the energy information to the terminal device 200 that is the sender of the energy request. Upon receiving this transmission instruction, the communication interface 105 transmits the energy information to the terminal device 200. The transmitted energy information is received by the communication interface 205 of the terminal device 200. After processing step ST25, the processor 101 returns to step ST11.

[0111] The energy screen is an example of a second screen that displays at least one of the power and the amount of power related to the devices installed in the target space. Therefore, by performing the processing of step ST25, processor 101 functions as an example of a second display control unit that displays the second screen on the display unit when a button instructing transition to the second screen is operated.

[0112] 3, the processor 201 of the terminal device 200 waits for the energy information to be received by the communication interface 205. If the energy information is received, the processor 201 determines Yes in step ST39 and proceeds to step ST40.

[0113] In step ST40, the processor 201 generates an image corresponding to the energy screen SC2 as shown in Fig. 6 using the energy request received in step ST39. Then, the processor 201 instructs the display device 206 to display the generated image. In response to the display instruction, the display device 206 displays the energy screen SC2. After processing step ST40, the processor 201 returns to step ST36.

[0114] The energy screen SC2 is a screen that displays some or all of the energy status of devices registered in a specific gateway. The energy screen SC2 includes, for example, an area AR11-1, an area AR21, and a details button B21.

[0115] Area AR21 is an area that displays the energy status of the distribution board 400 and the energy status of a device that is a target for displaying its energy status among the devices registered in the specific gateway. Area AR21 shown in FIG. 6 displays, among the energy statuses of the devices registered in the specific gateway, the power sold and purchased by the distribution board 400, the power generated by each power generation device 500, and the charging or discharging power, charging and discharging status, and power receiving rate of each power storage device 600. Area AR21 includes, as an example, an image IM21 and an area AR211. Area AR21 may also include each of areas AR212 to AR214. Area AR21 shown in FIG. 6 includes image IM21 and areas AR212 to AR214.

[0116] Each of areas AR211 to AR214 is an area that displays the energy status registered in a specific gateway. Area AR211 and area AR212 are areas that display the energy status of the distribution board 400. Area AR211 is an area that displays purchased power. Area AR212 is an area that displays sold power.

[0117] The area AR213 is an area that displays the energy status of the power generation device 500, such as the amount of power generated by the power generation device 500. The area AR21 preferably includes as many areas AR213 as there are power generation devices 500. Each area AR213 displays the energy status of the respective power generation device 500.

[0118] Area AR214 is an area that displays the energy status of power storage device 600, such as the charge / discharge status, charge power or discharge power, and charge rate of power storage device 600. Area AR21 preferably includes as many areas AR214 as there are power storage devices 600. Each area AR214 displays the energy status of each power storage device 600.

[0119] The details button B21 is a button that the operator operates when instructing the terminal device 200 to display the energy status of devices registered in a specific gateway in more detail. When the details button B21 is operated, the processor 201 displays the energy status in more detail on the display device 206. That is, the processor 201 displays the same energy status as that displayed in the area AR21, as well as energy statuses that are not displayed in the area AR21 on the display device 206. The energy statuses that are not displayed in the area AR21 may include energy statuses of devices other than the device for which the energy status is to be displayed.

[0120] As described above, the processor 201 functions as an example of a display unit by performing the processes of steps ST34 and ST40 in cooperation with the display device 206. The display unit displays the first screen and the second screen in response to an instruction from the display control device. Furthermore, the processor 201 functions as an example of a display control unit that causes the display unit to display the first screen and the second screen in response to an instruction from the display control device by performing the processes of steps ST34 and ST40.

[0121] If the processor 201 determines that a transition to another screen should occur during a standby state in which steps ST36 and ST37 are repeated, the processor 201 determines "Yes" in step ST37 and proceeds to step ST41.

[0122] In step ST41, the processor 201 generates a screen request. The screen request includes a login ID. As an example, the screen request includes the login ID. The screen request is information requesting the transmission of information necessary to display the transition destination screen. After generating the screen request, the processor 201 instructs the communication interface 205 to transmit the screen request to the server device 100. Upon receiving this transmission instruction, the communication interface 205 transmits the screen request to the server device 100. The transmitted screen request is received by the communication interface 105 of the server device 100.

[0123] On the other hand, if a screen request is received while processor 101 of server device 100 is in a standby state where steps ST11 to ST13 in FIG. 2 are repeated, processor 101 determines "Yes" in step ST12 and proceeds to step ST26.

[0124] In step ST26, the processor 101 checks whether to display the energy tab for the user identified by the login ID of the screen request received in step ST12 by processing similar to steps ST14 to ST19. If the determination is Yes in all of the processing similar to steps ST16, ST18, and ST19, the processor 101 determines that the energy tab should be displayed. Otherwise, the processor 101 determines that the energy tab should not be displayed.

[0125] In step ST27, the processor 101 generates screen information. The screen information is information instructing the display of a screen indicated in the screen request. The screen information includes some or all of the information necessary for displaying the screen. If the processor 101 determines in the processing of step ST26 that the energy tab should be displayed, the processor 101 generates first screen information. Otherwise, the processor 101 generates second screen information. The first screen information is screen information instructing the display of a screen including the area AR11-1. The second screen information is screen information instructing the display of a screen including the area AR11-2 but not the energy tab TA14. After generating the screen information, the processor 101 instructs the communication interface 105 to transmit the screen information to the terminal device 200. Upon receiving this transmission instruction, the communication interface 105 transmits the screen information to the terminal device 200. The transmitted screen information is received by the communication interface 205 of the terminal device 200. After processing step ST27, the processor 101 returns to step ST11.

[0126] In step ST42, the processor 201 waits for the screen information to be received by the communication interface 205. If the screen information is received, the processor 201 determines "Yes" in step ST42 and proceeds to step ST43.

[0127] In step ST43, the processor 201 generates an image corresponding to the screen indicated by the screen information received in step ST42. Then, the processor 201 instructs the display device 206 to display the generated image. Upon receiving the display instruction, the display device 206 displays the screen. After processing step ST43, the processor 201 returns to step ST36.

[0128] In the display system 1 of the embodiment, the first top screen SC1-1, which is the top screen for the smart home service, includes an energy tab TA14. The energy tab TA14 is a button for transitioning to the energy screen SC2. When the energy tab TA14 is operated, the display system 1 of the embodiment displays the energy screen SC2. The energy screen displays energy information of devices. Therefore, the user can view the energy status of devices such as HEMS devices more easily than before.

[0129] Furthermore, the display system 1 of the embodiment displays the first top screen SC1-1 including the energy tab TA14 when the device for which the energy status is to be displayed is installed in the house H. On the other hand, the display system 1 of the embodiment displays the second top screen SC2-1 that does not include the energy tab TA14 when the device is not installed in the house H. In this way, the display system 1 of the embodiment can prevent the energy tab TA14 from being displayed on the terminal device 200 used by a user who is not considered to need to check the energy status.

[0130] Furthermore, the display system 1 of the embodiment displays a first top screen SC1-1 including the energy tab TA14 when the user has permission to view the energy status. On the other hand, the display system 1 of the embodiment displays a second top screen SC2-1 that does not include the energy tab TA14 when the user does not have permission to view the energy status. This allows the display system 1 of the embodiment to hide the energy tab TA14 from users who do not need it. This also allows the owner user to hide the energy status from child users who the owner user does not want to see. In other words, the display system 1 of the embodiment can protect the privacy of the owner user and the like by preventing the child users from viewing the energy status.

[0131] Furthermore, the display system 1 of the embodiment displays the first top screen SC1-1 including the energy tab TA14 if the device for which the energy status is to be displayed is installed in the house H and the user has authority to view the energy status. Otherwise, the display system 1 of the embodiment displays the second top screen SC2-1 that does not include the energy tab TA14. This allows the display system 1 of the embodiment to prevent the energy tab TA14 from being displayed to users who do not need it.

[0132] Furthermore, when the user's setting is to display the energy tab TA14, the display system 1 of the embodiment displays the first top screen SC1-1 including the energy tab TA14. On the other hand, when the user's setting is to not display the energy tab TA14, the display system 1 of the embodiment displays the second top screen SC2-1 that does not include the energy tab TA14. This allows the display system 1 of the embodiment to not display the energy tab TA14 to users who do not need it.

[0133] Furthermore, the display system 1 of the embodiment displays images corresponding to the devices installed in the house H. This makes it easier for the user to know which devices are installed in the house H.

[0134] Furthermore, according to the display system 1 of the embodiment, the devices for which the energy status is displayed include at least one of the power generation device 500 and the power storage device 600. It is considered that the user will check the energy status when a device that stores or generates electricity is installed in the house H. Therefore, the display system 1 of the embodiment can prevent the energy tab TA14 from being displayed on the terminal device 200 used by a user who is not considered to need to check the energy status.

[0135] The above embodiment can be modified as follows.

[0136] In the above embodiment, the terminal device 200 acquires information necessary for displaying a destination screen each time a screen is switched from the server device 100. However, the terminal device 200 may acquire information necessary for displaying destination screens for all tabs from the server device 100. In this case, when a tab in area AR11 is operated, the terminal device 200 displays the destination screen using the information acquired in advance.

[0137] In the above embodiment, the processor 101 of the server device 100 generates first top information or first screen information when it determines Yes in all of steps ST16, ST18, and ST19. However, the server device 100 of the embodiment may be configured not to perform the determination in any one or two of steps ST16, ST18, and ST19. In a mode in which the determination in step ST16 is not performed, the processor 101 proceeds to step ST17 after processing step ST14. In a mode in which the processing in step ST17 is not performed, the processor 101 proceeds to step ST19 after processing step ST17. In a mode in which the processing in step ST18 is not performed, the processor 101 proceeds to step ST20 when it determines Yes in the processing in step ST18. In a mode in which the processing in step ST18 and step ST19 are not performed, the processor 101 proceeds to step ST20 when it determines Yes in the processing in step ST16.

[0138] The gateway 300 may store registration information. The registration information indicates devices registered in the gateway 300. The processor 101 may acquire the registration information from the gateway 300 in step ST14.

[0139] The distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700 may be able to communicate with the server device 100 without going through the gateway 300. The server device 100 may obtain the energy status directly from the distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700.

[0140] In the above embodiment, the area AR11 is an area that displays tabs. However, the area AR11 may display buttons that are not tabs instead of tabs.

[0141] The gateway 300, the distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700 may be installed in a store, a factory, a building, or various facilities instead of the house H. The store, factory, building, or various facilities in which the gateway 300, the distribution board 400, the power generation device 500, the power storage device 600, and the various devices 700 are installed are examples of target spaces in which devices are installed.

[0142] In the above embodiment, some or all of the processing performed by the server device 100 may be executed by the terminal device 200 or the gateway 300. In the above embodiment, some or all of the processing performed by the terminal device 200 may be executed by the server device 100 or the gateway 300. In the above embodiment, some or all of the processing performed by the gateway 300 may be executed by the server device 100 or the terminal device 200.

[0143] In the above embodiment, when the terminal device 200 performs some or all of the processing performed by the server device 100, and the terminal device 200 performs processing as a first display control unit and a second display control unit, the terminal device 200 is an example of a display control device.

[0144] Each device in the embodiment may be composed of a plurality of devices, and each device in the embodiment may be realized using cloud computing.

[0145] The processor 101 and the processor 201 may implement part or all of the processing that is implemented by a program in the above-described embodiments by a hardware circuit configuration.

[0146] A program for implementing the processes of the embodiments may be transferred in a state where it is stored in a non-transitory computer-readable storage medium within the device. However, the device may also be transferred without the program stored therein. The program may then be transferred separately and written to the device. In this case, the program may be transferred by, for example, recording it on a removable non-transitory computer-readable storage medium or by downloading it via a network such as the Internet or a LAN.

[0147] Although the embodiments of the present invention have been described above, they are merely examples and are not intended to limit the scope of the present invention. The embodiments of the present invention can be implemented in various forms without departing from the spirit of the present invention. [Explanation of symbols]

[0148] 1 Display System 100 Server Devices 101,201 processors 102,202 ROM 103,203 RAM 104,204 Auxiliary storage 105,205 communication interface 106,208 buses 200 Terminal Device 206 Display Devices 207 Input Devices 300 Gateway 400 Distribution board 500 Power Generation Equipment 600 Electricity storage device 700 Various equipment

Claims

1. a first display control unit that includes a button for instructing transition to a second screen that displays at least one of the power and the amount of power related to the devices installed in the target space, and that causes the first screen, which is a top screen of the smart home service, to be displayed on the display unit; a second display control unit that, when the button is operated, causes the second screen to be displayed on the display unit.

2. the first display control unit displays the first screen including the button when the device that is the target for displaying at least one of the power and the energy of power is installed in the target space, and displays the first screen that does not include the button when the device that is the target for displaying at least one of the power and the energy of power is not installed in the target space. The display control device according to claim 1 .

3. 2. The display control device according to claim 1, wherein the first display control unit displays the first screen including the button if the user has authority to view the second screen, and displays the first screen not including the button if the user does not have authority to view the second screen.

4. 2. The display control device according to claim 1, wherein the first display control unit displays the first screen including the button if the device for which at least one of the power and the amount of power is to be displayed is installed in the target space and the user has authority to view the second screen, and otherwise displays the first screen without the button.

5. 2. The display control device according to claim 1, wherein the first display control unit displays the first screen including the button when the user's setting is to display the button, and displays the first screen not including the button when the user's setting is to not display the button.

6. The display control device according to claim 1 , wherein the second display control unit controls the second screen to display an image corresponding to the device installed in the target space.

7. The display control device according to claim 1 , wherein the device for which at least one of the power and the amount of power is to be displayed includes at least one of a power generation device and a power storage device.

8. A display control device and a terminal device are included, The display control device includes: a first display control unit that includes a button for instructing the terminal device to transition to a second screen that displays at least one of power and energy related to devices installed in the target space, and that instructs the terminal device to display a first screen that is a top screen of the smart home service; a second display control unit that instructs the terminal device to display the second screen when information indicating that the second screen is to be displayed is received from the terminal device, The terminal device a display unit that displays the first screen and the second screen in response to an instruction from the display control device; a communication unit that transmits, to the display control device, the information indicating that the second screen is to be displayed when the button is operated.

9. a display control system is configured with a display control device including a first display control unit that includes a button for instructing a transition to a second screen that displays at least one of the power and the amount of power related to the appliances installed in the target space and instructs the terminal device to display a first screen that is a top screen of the smart home service, and a second display control unit that instructs the terminal device to display the second screen when information indicating that the second screen is to be displayed is received from the terminal device; a display control unit that displays the first screen and the second screen on a display unit in response to an instruction from the display control device; a communication unit that transmits, to the display control device, the information indicating that the second screen is to be displayed when the button is operated.

10. A processor included in the display control device, a first display control unit that includes a button for instructing transition to a second screen that displays at least one of the power and the amount of power related to the devices installed in the target space, and that causes the first screen, which is a top screen of the smart home service, to be displayed on the display unit; a program that functions as a second display control unit that displays the second screen on the display unit when the button is operated;

11. A display control system is configured together with a display control device including a first display control unit that includes a button for instructing a transition to a second screen that displays at least one of the power and the amount of power related to the equipment installed in the target space, and that instructs the terminal device to display a first screen that is a top screen of the smart home service, and a second display control unit that instructs the terminal device to display the second screen when information indicating that the second screen is to be displayed is received from the terminal device, and a processor included in the terminal device that is equipped with a display unit and a communication device, a display control unit that causes the display unit to display the first screen and the second screen in response to an instruction from the display control device; A program that functions as a communication control unit that controls the communication device to send the information indicating that the second screen is to be displayed to the display control device when the button is operated.

12. a button for instructing transition to a second screen that displays at least one of the power and the amount of power related to the devices installed in the target space, and causing the first screen, which is a top screen of the smart home service, to be displayed on the display unit; When the button is operated, the second screen is displayed on the display unit.

Images