KR20210062191A - Serving plate, and electronic device and method for remote controlling the same - Google Patents

Abstract

A serving plate capable of cooling or heating food is disclosed. The serving plate includes: a plate main body for accommodating food; a heat exchange unit provided in the plate main body to cool or heat the accommodated food; a communication unit; and a processor which identifies whether a control signal is received based on the approach of a predefined user within the area where the serving plate is located through the communication unit, identifies the control temperature included in the control signal when it is identified that the control signal is received, and thus controls the heat exchange unit to cool or heat the accommodated food based on the identified control temperature.

Description

Serving plate, and electronic device and method for remote controlling the same.

The present invention relates to a serving plate for cooling or heating food, and a method and an electronic device for remotely controlling the same.

In homes or businesses, foods are stored in refrigerators or warm cabinets. The refrigerator or warmer may include several compartments suitable for storage according to various types of food. However, this compartmentalized space cannot be temperature controlled for each food to be stored. In addition, a refrigerator or a warmer cannot have a function of cooling or heating a small amount of single food except for the defrosting space.

As a replacement for a refrigerator or a warmer having such a problem, a storage device that allows a user to freely control cooling and temperature and also portable has been disclosed. However, such a storage device could not sufficiently reflect the preferences, dietary habits, or lifestyle patterns of many users as a simple food temperature control device.

Accordingly, an object of the present invention is to provide a serving plate that can be controlled by reflecting various preferences, diets, or lifestyle patterns of multiple users, and a method and an electronic device for remotely controlling the same.

Another object of the present invention is to provide a serving plate capable of adaptively and timely adjusting the temperature of food according to a situation, and a method and an electronic device for remotely controlling the same.

In order to achieve the above object, there is provided a serving plate capable of cooling or heating food. The serving plate is accessed by a pre-defined user in an area where the serving plate is located through a plate body for receiving food, a heat exchange unit provided in the plate body for cooling or heating the received food, and a communication unit and the communication unit. To identify whether a control signal based on the box is received, and if the control signal is identified as being received, to identify a control temperature included in the control signal, and to cool or heat the received food based on the identified control temperature. And a processor that controls the heat exchange unit.

The heat exchange unit may include a Peltier element.

The processor may identify whether the control signal is received from an external device in an area where the serving plate is located.

The processor may identify whether the control signal is received from a terminal device of the user or a group member of the user.

The communication unit may include a Bluetooth low energy module.

A cover that covers the plate body may be further included, and the processor may control the communication unit to transmit a signal notifying the opening to the terminal device of the group member of the user as the cover is opened.

The processor is configured to identify whether or not food contained in the plate body remains, and to transmit a signal including information on the remaining food to a terminal device of a group member of the user as the food is identified as remaining. It is possible to control the communication unit.

An electronic device according to an embodiment of the present invention is provided. The electronic device identifies whether a control signal based on a user's access to a communication unit and a serving plate for cooling or heating food is received through the communication unit, and the control signal is received. Upon identification, a processor for controlling the communication unit to transmit the received control signal to the serving plate.

The electronic device may further include a speaker or a camera.

A method of controlling a serving plate including a Peltier element having a variable temperature and a communication unit communicating with the outside is provided. In this method, an event occurrence is notified in a first mobile device in which an application for controlling the serving plate is installed, and the serving plate executes an operation command received from the first mobile device through the communication unit to activate the Peltier element. When activated, the first mobile device notifies the occurrence of the event when the designated second mobile device is located within a predetermined area.

The predetermined area may be defined as an area separated by a predetermined radius around a point where the serving plate is located.

The predetermined area may be defined as an area separated by a predetermined radius from a point where the first mobile device is located.

The serving plate and the first mobile device may communicate with each other according to a Bluetooth Low Energy (BLE) communication protocol.

According to an embodiment of the present invention, a method of controlling a serving plate capable of cooling or heating food is provided. The serving plate control method includes the steps of creating a user group in an application of each user terminal of users who use the serving plate, and a user terminal of a group member of the user group arrives in a predetermined area range in which the serving plate is located. Or obtaining information on whether or not to leave, transmitting the information to a group master of the user group or a user terminal of a group member, and a temperature of the serving plate by the group master of the user group or a user terminal of the group member. And transmitting a control signal for controlling the control signal to the serving plate, and performing a cooling or heating operation of the serving plate based on information included in the control signal.

The serving plate according to the present invention can cool or heat food at a temperature suitable for the taste or taste of the accessing user based on a control signal transmitted remotely as a group member of the user group approaches or leaves the location area of the serving plate. have. As a result, the user can immediately eat the food cooled or heated to the desired temperature without waiting.

1 is a perspective view of a serving plate according to an embodiment of the present invention.
2 is a cross-sectional view of a serving plate according to an embodiment of the present invention.
3 is a schematic diagram showing a control system for remotely controlling the serving plate of FIG. 1.
4 is a block diagram showing a control system for remotely controlling the serving plate of FIG. 1.
5 is a schematic diagram showing a serving plate control scenario according to an embodiment of the present invention.
6 is a diagram showing a GUI displayed on a user terminal of a group master of a user group.
7 is a diagram illustrating a GUI displayed on a user terminal of a group member.
8 is a diagram illustrating a GUI displayed on a user terminal of a group member according to another embodiment.
9 is a flowchart illustrating a method of controlling a serving plate according to an embodiment of the present invention.
10 is a flowchart illustrating a method of controlling a serving plate according to another embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numbers or reference numerals refer to components that perform substantially the same function, and the size of each component in the drawings may be exaggerated for clarity and convenience of description. However, the technical idea of the present invention and its core configuration and operation are not limited to the configuration or operation described in the following embodiments. In describing the present invention, when it is determined that a detailed description of a known technology or configuration related to the present invention may unnecessarily obscure the subject matter of the present invention, a detailed description thereof will be omitted.

In this document, expressions such as "have," "may have," "include," or "may contain" are the presence of corresponding features (eg, elements such as numbers, functions, actions, or parts). And does not exclude the presence of additional features.

In this document, expressions such as "A or B," "at least one of A or/and B," or "one or more of A or/and B" may include all possible combinations of the items listed together. . For example, "A or B," "at least one of A and B," or "at least one of A or B" includes (1) at least one A, (2) at least one B, Or (3) it may refer to all cases including both at least one A and at least one B.

In an embodiment of the present invention, terms including ordinal numbers such as first and second are used only for the purpose of distinguishing one component from other components, and the expression of the singular number is plural unless the context clearly indicates otherwise. Includes the expression of.

In addition, terms such as'upper','lower','left','right','inside','outside','inside','outside','front', and'rear' in the embodiment of the present invention. Is defined based on the drawings, and thus the shape or position of each component is not limited thereto.

The expression "configured to" as used in this document is, for example, "suitable for," "having the capacity to" depending on the situation. ," "designed to," "adapted to," "made to," or "capable of." The term "configured to (or set)" may not necessarily mean only "specifically designed to" in hardware. Instead, in some situations, the expression "a device configured to" may mean that the device "can" along with other devices or parts. For example, the phrase "a subprocessor configured (or configured) to perform A, B, and C" refers to a dedicated processor (eg, an embedded processor) for performing the operation, or executing one or more software programs stored in a memory device. By doing so, it may mean a generic-purpose processor (eg, a CPU or an application processor) capable of performing corresponding operations.

The serving plate 1 according to various embodiments of the present document may have a shape such as a plate, a tray, a bowl, a box, a barrel, a jar, etc. capable of cooling or heating various foods.

In this document, the term user may refer to a person using the serving plate 1 or a device (eg, an artificial intelligence electronic device) using the serving plate 1.

로 냉각 또는 가열할 수 있다.1 is a perspective view of a serving plate 1 according to an embodiment of the present invention, and FIG. 2 is a cross-sectional view of the serving plate 1 according to an embodiment of the present invention. Serving plate (1) contains various foods, for example, 5 ~ 70

Can be cooled or heated by furnace.

Referring to FIG. 1, the serving plate 1 may include a plate body 11 having a plate shape and a cover 12 covering an upper surface of the plate body 11. The plate body 11 has a function of storing food and cooling or heating food. The cover 12 may isolate food placed on the plate body 11 from the outside. The serving plate 1 is not limited to the shape shown in FIG. 1 and may be implemented in various shapes.

Referring to FIG. 2, in the serving plate 1, a heat exchange unit 13 may be provided under the plate body 11 and the plate body 11. The plate body 11 may include a receiving portion 114 having a recessed portion 112 for accommodating the heat exchange unit 13 therein. An external heat dissipating part 116 covering the recessed part 112 may be provided in the receiving part 114. The plate body 11 may be made of a metal having good thermal conductivity, such as aluminum. Of course, the plate body 11 may be provided with a heat insulating material on the outer surface to block heat dissipation to the outside.

The external heat dissipation unit 116 may be made of, for example, aluminum having excellent thermal conductivity for dissipating heat. The external heat dissipation unit 116 may be provided with a plurality of radiating fins 1162 on one surface facing the floor. The external heat dissipating part 116 may have a rear surface facing the recessed part 112 in contact with the heat exchange unit 13.

The heat exchange unit 13 may be implemented as a Peltier element, for example. The Peltier element may be mounted on the depression 112 so that one surface contacts the external heat dissipation portion 116 and the rear surface contacts the bottom surface of the depression 112. Accordingly, the Peltier element can absorb heat from the bottom of the recessed portion 112 of the plate body 11 and discharge it to the external heat dissipating portion 116 when current is applied. As a result, the food storage space composed of the plate body 11 and the cover 12 may be cooled or heated by the heat exchange unit 13 to cool or heat the food stored therein.

The plate body 11 is shown to include only the heat exchange unit 13 in the depression 112, but may further include a Bluetooth Low Energy (BLE) module, a control circuit board including a sensing unit, and a processor, and a battery. have. The plate body 11 may include a terminal for wired or wireless charging of the battery.

3 is a schematic diagram showing a control system 10 for remotely controlling the serving plate 1 of FIG. 1.

Referring to FIG. 3, at least one serving plate 1 may be connected to the server 3 through the hub 2. At least one user terminal 4 can remotely control the serving plate 1 through the server 3 and the hub 2.

The serving plate 1 may be provided in a home or business, for example. The serving plate 1 may be stored in a state in which food to be eaten by a group member of a user group is stored in advance, and then cooled or heated to a preset or indicated temperature when a group member of the user group reaches a predetermined area.

The hub 2 may be implemented as an electronic device capable of wired or wireless communication with a smart phone, a notebook computer, a personal computer, a PDA, an AI speaker, an IoT server, and the like. The hub 2 may transmit a control signal to the serving plate 1 corresponding to user information provided by the server 3.

The server 3 may control each serving plate 1 belonging to a plurality of user groups according to a preset or control command transmitted from the user terminal 4. The server 3 may store storage temperature information data according to various kinds of food. The server 3 may include a GPS server that determines whether the user terminal 4 reaches or leaves an area belonging to the location of the related serving plate 1 based on GPS information sent from the user terminal 4 which is set in advance. . The server 3 may include a voice recognition server for recognizing a voice input to the hub 2 or the user terminal 4. The voice recognition server may include a speech-to text (STT) server. The server 3 may be implemented as one or two or more servers that perform the above-mentioned operations, respectively, or perform jointly.

The user terminal 4 may be implemented as a group member of a user group or a mobile device such as a smart phone, a notebook computer, or a PDA owned by the group master. The user terminal 4 may include an application for remotely controlling the serving plate 1. The user terminal 4 may grasp its own location, for example, GPS information, and transmit it to the server 3. The user terminal 4 may determine whether it reaches or leaves the area where the serving plate 1 is located, for example, a Geofence area.

4 is a block diagram showing a control system 10 for remotely controlling the serving plate of FIG. 1. The control system 10 includes a hub 2 connecting each serving plate 1 through a network, a server 3 capable of connecting to the hub 2 through a network, and a user terminal capable of connecting to the server 3 through a network ( 4) may be included.

The serving plate 1 is, for example, a storage device for food consumed by a user group in a home or business, and may be formed in plural according to the type or group of food.

The serving plate 1 may include a heat exchange unit 13, a first communication unit 14, a sensing unit 15, a battery 16, and a first processor 17. The serving plate may further include a timer, a temperature control unit, and the like.

The heat exchange unit 13 may cool or heat the food storage space between the plate body (11 in FIG. 1) and the cover (12 in FIG. 1).

The heat exchange unit 13 may be implemented as, for example, a Peltier device, a heater, or the like. The Peltier device uses the phenomenon that the temperature difference persists at both ends of several layers of conductive material when a current is passed. When the high-temperature part on the opposite side that requires low-temperature cooling is cooled, the heat of the low-temperature part is transferred to the high-temperature side, thereby obtaining a cooling effect. . The heater can obtain a heating effect by the heat generated by applying an electric current. Of course, it is also possible to obtain a heating effect by using the Peltier element in reverse.

The heat exchange unit 13 may further include a blowing fan.

The first communication unit 14 may perform network communication with the hub 2. The first communication unit 14 may receive a control signal for adjusting the temperature of the serving plate 1 from the hub 2. The first communication unit 14 may be implemented as, for example, a low-cost Bluetooth Low Energy (BLE) module. The first communication unit 14 may include, for example, an RF circuit that transmits/receives a radio frequency (RF) signal to perform wireless communication with the hub 2, and includes Wi-fi, Zigbee, and UWB ( Ultra-Wide Band), Wireless USB, and NFC (Near Field Communication) modules may be configured as one or more.

The sensing unit 15 obtains environmental information of food in the serving plate 1, such as a temperature sensor, a pressure sensor, a humidity sensor, and a touch sensor, information on the remaining amount of food, and information on whether the cover (12 in FIG. 1) is opened, etc. 2) can be delivered.

The battery 16 may supply power to the heat exchange unit 13, the first communication unit 14, the sensing unit 15, and the first processor 17. The battery 16 may be implemented as a rechargeable secondary battery such as a lithium ion battery. The battery 16 can be charged by wire or wirelessly.

The first processor 17 may control each component of the serving plate 1. The first processor 17 identifies whether or not a control signal based on a predefined user's approach in the area where the serving plate 1 is located is received through the first communication unit 14, and identifies that the control signal is received. Then, the heat exchange unit 13 identifies information included in the control signal, for example, control temperature, operation timing, cooling or heating time, weather information, environmental information, etc., and cools or heats the food received based on the identified information. ) Can be controlled. For example, the first processor 17 may adjust the preset temperature according to the hot summer or cold winter by slightly adding or subtracting the temperature based on the weather information, even for the same food. Of course, more complex control can be performed in the hub 2 or the server 3 due to the structural limitation of the serving plate 1.

The first processor 17 may transmit data sensed by the sensing unit 15 to the hub 2 through the first communication unit 14.

The first processor 17 includes at least one general-purpose processor that loads at least a part of the control program from the nonvolatile memory in which the control program is installed into the volatile memory and executes the loaded control program. It may be implemented as a Central Processing Unit), an application processor (AP), or a microprocessor.

The first processor 17 may include a single core, a dual core, a triple core, a quad core, and a multiple of the cores. A plurality of first processors 17 may be provided. The first processor 17 may include, for example, a main processor and a sub processor operating in a sleep mode (eg, a mode in which only standby power is supplied). In addition, the processor, ROM and RAM are interconnected through an internal bus.

The first processor 17 can be implemented as a form included in a main SoC mounted on a PCB embedded in the serving plate 1.

The control program may include program(s) implemented in at least one of a BIOS, a device driver, an operating system, a firmware, a platform, and an application program (application). The application program may be installed or stored in advance when the serving plate 1 is manufactured, or may be installed based on the received data by receiving data of the application program from the outside when using it later. The data of the application program may be downloaded to the serving plate 1 from an external server such as, for example, an application market. Such an external server is an example of a computer program product, but is not limited thereto.

The hub 2 may include a second communication unit 24, a second memory 25, a second processor 27, a speaker 28, and a camera 29. The hub 2 is an input receiving unit that inputs a user command that controls the serving plate 1 or sets the temperature of the serving plate 1, a microphone that inputs the user’s voice, and a voice recognition unit that recognizes the input voice, It may further include a display to display the status of the serving plate (1).

The second communication unit 24 may perform network communication with the server 3 or the serving plate 1. The second communication unit 24 may receive a control signal from the server 3 or may receive various types of sensing information from the serving plate 1.

The second communication unit 24 may include, for example, an RF circuit that transmits/receives a radio frequency (RF) signal to perform wireless communication with the serving plate 1, and includes Wi-fi, Bluetooth, and Zigbee. , UWB (Ultra-Wide Band), Wireless USB, may be configured to perform NFC (Near Field Communication) communication. The second communication unit 24 may perform wired communication with the server 3 and other devices through a wired local area network (LAN).

The second memory 25 is a computer-readable recording medium and stores unrestricted data. The second memory 25 is accessed by the second processor 27, and data read, write, correct, delete, update, and the like are performed by them.

The data stored in the second memory 25 includes, for example, setting information for temperature control of the serving plate 1, information of the serving plate 1, user group information, and a control program of the serving plate 1, etc. Can include. The second memory 25 may include a voice recognition module capable of recognizing an input voice.

The second memory 25 includes a nonvolatile memory in which a control program is installed, and a volatile memory in which at least a part of the installed control program is loaded.

The second memory 25 is a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (eg, SD or XD memory, etc.) , RAM (Random Access Memory) SRAM (Static Random Access Memory), ROM (ROM, Read-Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM (Programmable Read-Only Memory) magnetic memory, magnetic It may include at least one type of storage medium among a disk and an optical disk.

The second processor 27 identifies, through the second communication unit 24, whether a control signal based on a predefined user's access to the area in which the serving plate 1 capable of cooling or heating food is located is received, and When it is identified that the control signal is received, the second communication unit 24 may be controlled to transmit the received control signal to the serving plate 1. Here, the control signal may include information such as a control temperature for the serving plate 1, an operation timing, a cooling or heating time, and weather.

The second processor 27 may transmit information related to the serving plate 1 to the server 3 as various types of information detected by the serving plate 1 are received through the second communication unit 24.

The second processor 27 is a serving plate according to a control signal through the server 3, a control signal request through the user terminal 4, or according to preset information, or according to a user input or user voice. (1) The temperature can be controlled. As the user terminal 4 approaches or leaves a range of a predetermined area in which the serving plate 1 is located, the second processor 27 may output the user's access or departure information as a voice. In other words, the group master or group member of the user group in the home or business where the serving plate 1 is placed, as the other group member approaches the range of the predetermined area where the serving plate 1 is placed, The serving plate 1 can be controlled by temperature. The second processor 27 may transmit the input voice signal to the server 3.

The speaker 28 may output user context information of the serving plate 1 or status information of the serving plate 1 as a voice under the control of the second processor 27.

The camera 29 may photograph the status information of the serving plate 1 and transmit it to the server 3.

The server 3 may include a third communication unit 34, a third memory 35, and a third processor 37.

The third communication unit 34 receives, for example, status information of the serving plate 1 from the hub 2, a voice signal, etc., or GPS information from the user terminal 4, and a control signal for controlling the serving plate 1 Etc. can be received. The third communication unit 34, for example, sends information indicating that a specific user terminal 4 has reached within a predetermined area in which the serving plate 1 is located or the status information of the current serving plate 1 to the group master of the user group and / Or it can be transmitted to the user terminal 4 of the group member. The third communication unit 34 may transmit a control signal of the serving plate 1 sent from the group master of the user group and/or the user terminal 4 of the group member to the hub 2.

The third communication unit 34 may include, for example, an RF circuit for transmitting/receiving a radio frequency (RF) signal to perform wireless communication with the hub 2 or the user terminal 4, and may include Wi-fi, Bluetooth , Zigbee, UWB (Ultra-Wide Band), Wireless USB, NFC (Near Field Communication) may be configured to perform one or more communication. The third communication unit 34 may perform wired communication with the hub 2 or the user terminal 4 and other devices through a wired local area network (LAN). In addition to a connector for wired connection or a connection unit including a terminal, it may be implemented in various other communication methods.

The third memory 35 is a computer-readable recording medium and stores unrestricted data. The third memory 35 is accessed by the third processor 37, and data read, write, correct, delete, update, and the like are performed by them.

Data stored in the third memory 35 may store, for example, setting information for temperature control of the serving plate 1, for example, cooling or heating temperature information for each type of food. The third memory 35 includes information on the serving plate 1 transmitted through the hub 2, for example, temperature information of the serving plate 1, information about the opening or closing of the cover 12, and the serving plate 1 You can store information on the amount of food remaining in the device. The third memory 35 may store user group information of the serving plate 1, for example, user terminal information of a family member or customer who will use the serving plate 1. The third memory 35 may store control history information of the serving plate 1. When a preset user reaches or leaves the area to which the serving plate 1 belongs, for example, within a radius of 100 m, the third memory 35 is the user terminal 4 of the group master of the user group or the access or departure of the user. A program for generating an event notified to the user terminal 4 can be stored.

The third memory 35 may include a voice recognition module capable of recognizing voices transmitted from the hub 2 or the user terminal 4.

The third processor 37 receives the preset location information of the user terminal 4 of the specific serving plate 1, for example, GPS information, through the third communication unit 34, and is based on the location information. It is possible to determine whether a predefined user has approached or departed from the area where the serving plate 1 capable of cooling or heating the furnace is located.

When the third processor 37 determines that the user has accessed or left, the third communication unit 34 transmits the access or departure information of the specific user to the group master of the user group and/or the user terminal 4 of the group member. Can be controlled.

When the third processor 37 receives the control signal or control command of the serving plate 1 from the user terminal 4 of the group master or group member of the user group, the received control signal or a preset control signal is transmitted to the hub (2). It is possible to control the third communication unit 34 to transmit to. Here, the control signal may include information such as a control temperature for the serving plate 1, an operation timing, a cooling or heating time, and weather. For example, the server 3 may generate a control signal by referring to data such as preferences and eating history according to each situation of group members stored in the third memory 35. The server 3 can generate a control signal based on history information or set for each group member rather than a control temperature according to the type of food, because even the same food can be eaten cold or warm according to each group member.

As the third processor 37 receives various information detected by the serving plate 1 or an image captured by the camera of the hub 2 through the third communication unit 34 from the hub 2, it is The third communication unit 34 may be controlled to transmit to the user terminal 4 of the master or group member.

The third processor 37 may operate the voice recognition module on the voice signal received from the hub 2 and/or the user terminal 4.

The user terminal 4 may include a fourth communication unit 44, a fourth memory 45, a fourth processor 47, an input receiving unit 48, and a display 49.

The fourth communication unit 44 may receive, for example, status information of the serving plate 1 from the server 3, or receive a push message from another group member of the same user group or a user terminal 4 of the group master. I can. The fourth communication unit 44 transmits, for example, information indicating that a specific user terminal 4 has reached within a predetermined area in which the serving plate 1 is located or the status information of the current serving plate 1 to the server 3 and/or Alternatively, it may be received from the user terminal 4 of the group master of the user group. The fourth communication unit 44 may transmit a control signal of the serving plate 1 input from the input receiving unit 48 to the server 3.

The fourth communication unit 44 may include, for example, an RF circuit for transmitting/receiving a radio frequency (RF) signal in order to perform wireless communication with the server 3 or other user terminal 4, Wi-fi, It may be configured to perform one or more communication among Bluetooth, Zigbee, Ultra-Wide Band (UWB), Wireless USB, and Near Field Communication (NFC). The fourth communication unit 44 may perform wired communication with the server 3 or other user terminal 4 and other devices through a wired local area network (LAN). In addition to a connector for wired connection or a connection unit including a terminal, it may be implemented in various other communication methods.

The fourth memory 45 is a computer-readable recording medium and stores unrestricted data. The fourth memory 45 is accessed by the fourth processor 47, and data read, write, correct, delete, update, and the like are performed by them.

The data stored in the fourth memory 45 may store, for example, setting information for temperature control of the serving plate 1, for example, cooling or heating temperature information for each type of food. The fourth memory 45 includes information on the serving plate 1 transmitted through the server 3 or other user terminal 4, for example, temperature information of the serving plate 1, the opening of the cover 12, or It is possible to store closing information, information on the amount of food remaining in the serving plate 1, and the like. The fourth memory 45 may store user group information of the serving plate 1, for example, user terminal information of a family member or customer who will use the serving plate 1. The fourth memory 45 serves when the user terminal 4 of the user set in advance receives from the server 3 information indicating that the region to which the serving plate 1 belongs, for example, has reached or departed within a 100m radius. It may include an application that creates a GUI (graphical user interface) for controlling the plate 1.

The fourth memory 45 may include a voice recognition module capable of recognizing a voice received from the input receiving unit 48.

The fourth processor 47 may control the display 49 to display a GUI related to the serving plate 1 capable of cooling or heating food.

The fourth processor 47 is the serving plate 1 as the group member and group member of the user who will use the food stored in the serving plate 1 approach within the area where the serving plate 1 is located according to a user input using a GUI. It is possible to obtain setting information about the control temperature to be operated.

The fourth processor 47 may control the fourth communication unit 44 so that a control signal including the obtained setting information is transmitted to the serving plate 1 through the server 3 and/or the hub 2.

The fourth processor 47 may control the fourth communication unit 44 to transmit a push message to the other user terminal 4 informing that the group member is approaching within the area where the serving plate 1 is located.

The fourth processor 47 controls the display 49 to display status information on the serving plate 1 from the hub 2, the server 3, and/or other user terminals 4 can do.

The input receiver 48 may receive a control command for controlling the serving plate 1 from a user. The input receiver 48 may receive an input through a GUI or a voice input through a microphone.

The display 49 may display a GUI for controlling the serving plate 1, status information of the serving plate 1, for example, text, graphic, and image information. The display 49 may display a GUI for controlling the serving plate 1 and status information of the serving plate 1 as a pop-up screen according to the execution of the application. The display 49 may display a push message notifying that the user terminal 4 of the group master of the user group is approaching or leaving the area in which the serving plate 1 is located.

The implementation method of the display 49 is not limited, for example, liquid crystal, plasma, light-emitting diode, organic light-emitting diode, surface conduction electron gun ( It can be implemented in various display methods such as surface-conduction electron-emitter), carbon nano-tube, and nano-crystal.

5 is a schematic diagram showing a control scenario of the serving plate 1 according to an embodiment of the present invention, and FIG. 6 is a diagram showing a GUI displayed on the user terminal 4-2 of the group master of the user group.

Referring to FIG. 5, the group master of the user group creates a user group A and registers home address information in the server 3. User group A is a family consisting of four group members: mother, father, son, and daughter. The group master of user group A can be the mother responsible for cooking. Of course, the group master can be a group member other than the mother. In each user terminal 4 of the group members, for example, a smartphone, an application related to the use of the serving plate 1 is installed. In addition, each user terminal 4 of the group members transmits GPS information to the server 3 in real time. The server 3 transmits and receives information for displaying a notification popup capable of controlling the serving plate 1 on a user terminal of a group member designated by the group master with the user terminal 4.

The group master can prepare food in advance according to the group members' return home, store it in a plurality of serving plates 1, and then go out. In this case, as a plurality of serving plates 1, food may be provided for each user member, and the temperature of the serving plate 1 may be adjusted in a low-temperature refrigeration state in advance in order to prevent food from being spoiled. In this case, temperature control of the serving plate 1 may be performed directly on the serving plate 1 or may be performed through the hub 2.

When the son of the group members returns home after finishing school, the son's user terminal 4 transmits GPS information to the server 3 in real time. At this time, when the user terminal 4-1 of the group member (son) approaches within a predetermined area range from home, for example, within a radius of 100 m, the user terminal 4-2 of the mother, who is the group master, and/or The user terminal designated by the group master notifies that the son has reached the house. As a result, a notification pop-up including a GUI may be displayed on the mother's user terminal 4-2 and/or the user terminal designated by the group master.

Referring to Figure 6, the GUI of the notification pop-up is'My son has arrived near the house. Shall we adjust the food temperature of the serving plate 1?' may be displayed. The GUI may include a plurality of serving plates 1 storing each type of food, that is, vegetables, sashimi, cheese, steak, chicken, and the like. The group master (mother) may control the serving plate 1 of the food by selecting the food that the son likes from among the food items. Temperature control of the serving plate 1 may be performed directly by an application executed on the user terminal 4-2 of the group master. Of course, temperature control may be performed at a temperature preset in the server 3 when the user terminal 4-2 of the group master or the user terminal 4-1 of the group member selects a serving plate of food. For example, the temperature of food may be set in the database of the server 3 as shown in Table 1 below.

Food type Set temperature (℃) vegetable 5℃ Jellyfish Cold Vegetables 5℃ sashimi 5℃ Cheese 15℃ steak 60℃ Chicken 70℃

If the group master (mother) selects food and controls the serving plate 1, the group master (mother) may transmit a push message to the user terminal 4-1 of the group member (son). The push message may include a reminder to eat the food on the serving plate 1 upon arrival at home. 7 is a diagram showing a GUI displayed on a user terminal 4-1 of a group member. Here, when the user terminal 4-1 of the group member set in advance arrives within a predetermined area range where the serving plate 1 is located, the server 3 returns the user terminal 4-1 of the group member within the predetermined range. You can tell that you did At this time, the user terminal 4-1 of the group member can display the GUI shown in FIG. 7 by executing the application.

Referring to FIG. 7, the GUI may display contents such as'Mom has prepared chicken and vegetables on the serving plate 1, eat it when you arrive at home' and a menu for selecting foods to eat at home.

If a group member selects a desired menu, the user terminal 4-1 of the group member can transmit the selected menu information to the server 3, and the server 3 controls the serving plate 1 of the selected menu. A control signal to be used may be transmitted to the hub 2.

8 is a diagram illustrating a GUI displayed on a user terminal 4-1 of a group member according to another embodiment. Here, when the user terminal 4-2 of the group master (mother) selects and controls the serving plate 1 through the GUI of FIG. 6, it can transmit a push message to the user terminal 4-1 of the group member. have.

In FIG. 8, when a group member (son) selects to eat food at home, a return message may be transmitted to the user terminal 4-2 of the group master (mother).

If the group member (son) chooses not to eat according to the plan not to go home immediately, the return message can be transmitted to the user terminal 4-2 of the group master (mother). At this time, after confirming the return message, the group master (mother) may cancel the control command of the serving plate 1 that has already been instructed.

Of course, the group master (mother) may control the temperature of the serving plate 1 through the server 3 and the hub 2 after receiving the return message from the group member (son).

The serving plate 1 may sense the opening of the cover 12 and transmit a cover opening signal to the user terminal 4-2 of the group master through the hub 2 and the server 3. At this time, the group master can confirm that the group member (son) is eating food based on the cover open signal.

The sensing unit 15 of the serving plate 1 or the camera 29 of the hub 2 transmits the remaining amount information that the group member (son) has eaten to the server 3, and the server 3 It can be transmitted to the user terminal 4-2. In this case, if the storage of the remaining amount of food is required, the group master may transmit a control signal to the server 3 to control the temperature of the serving plate 1 as the storage temperature.

When the server 3 determines that the user terminal 4-1 of the group member (son) enters a predetermined area from the house and leaves the outside without receiving the cover open signal, the user terminal of the group master You can send it to (4-2). At this time, the group master (mother) may instruct the server 3 to cancel the control command of the serving plate 1 instructed.

로 가열하는데 소요되는 시간을 2분이라 가정할 때, 소정 영역범위는 200m 이상의 반경이 적절할 것이다.The predetermined area range of the serving plate 1 may be set in consideration of the type of food stored in the serving plate 1, that is, a time required for cooling or heating, and an arrival time of a group member who eats the food. For example, the moving speed of group members eating food is 100m/min, and chicken is 70m/min.

Assuming that the time required to heat the furnace is 2 minutes, a radius of 200m or more will be appropriate for the predetermined area range.

As described above, by remotely controlling a number of serving plates (1) placed in the home, the group master (mother) provides cool or hot food to young group members (son) even when they go out after having prepared food. can do.

As another embodiment, when the group master or group member of the user group receives information that a specific group member has arrived or left within a predetermined range after storing food on the serving plate 1, the serving plate 1 It can also be set in advance to cool or heat.

As another embodiment, the remote control of the serving plate 1 can be usefully used in a restaurant as follows. An application related to control of the restaurant serving plate 1 may be installed in a server, a hub, a user terminal of a restaurant master (manager), and a user terminal 4 of a customer.

If a customer makes a reservation to eat a specific dish at a desired time, the restaurant master can prepare the food in advance and prepare the reserved dish on a serving plate placed on the reserved table. When the user terminal of the customer arrives within a radius of a predetermined area of the restaurant, the server may transmit the customer arrival information to the user terminal of the group master. The group master can use the user terminal to control the temperature of the serving plate prepared based on the customer arrival information to a temperature suitable for the corresponding dish. In this way, the customer can eat dishes at an appropriate temperature without waiting at a predetermined time, thereby reducing wasted time, and the restaurant can simultaneously provide a service to many customers during lunch or dinner when many customers are concentrated.

9 is a flowchart illustrating a method of controlling the serving plate 1 according to an embodiment of the present invention. Here, the serving plate 1 may include a Peltier element having a variable temperature and a communication unit 14 communicating with the outside, for example, a Bluetooth low energy module.

In step S11, an event may occur when a previously designated second mobile device, for example, a smartphone owned by'son', is located within a certain area. In this case, the event may occur based on an application in which the second mobile device is installed, or may occur in the server or the first mobile device that tracks the location of the designated second mobile device. Of course, the occurrence of an event generated in the second mobile device or the server may be notified to the second mobile device. Here, the predetermined area may be determined as an area separated by a predetermined radius from the point where the serving plate 1 is located. Alternatively, the predetermined area may be determined as an area separated by a predetermined radius from the point where the first mobile device is located.

In step S12, when an event occurs, the first mobile device or the second mobile device in which an application capable of controlling the serving plate 1 is installed, notifies the serving plate 1 of the occurrence of the event, and issues an operation command of the Peltier element. I can deliver.

In step S13, the serving plate 1 may operate the Peltier element 13 by executing an operation command received from the first mobile device or the second mobile device through the communication unit. In this case, the serving plate 1 and the first mobile device or the second mobile device may communicate with each other according to a Bluetooth Low Energy (BLE) communication protocol.

10 is a flowchart illustrating a method of controlling the serving plate 1 according to another embodiment of the present invention.

In step S21, a user who installs an application related to control of the serving plate 1 on each user terminal 4 of the users who use the serving plate 1 and the server 3, and uses the serving plate 1 User groups can be created.

In step S22, the server 3 tracks the location of the user terminal 4 of each group member, and determines whether the user terminal of the group member of the user group arrives or leaves a predetermined area range where the serving plate 1 is located. You can get information about it.

In step S23, the server 3 may transmit information on which the user terminal of the group member arrives or leaves a predetermined range to the group master of the user group or the user terminal 4 of the group member.

In step S24, the group master of the user group or the user terminal of the group member may transmit a control signal for controlling the temperature of the serving plate 1 to the server 3 and the hub 2. The hub 2 may control the serving plate 1 based on information included in the control signal, for example, control temperature, control timing, cooling or heating time, and the like. Of course, when the hub 2 transmits the control signal to the serving plate 1, the serving plate 1 may perform cooling or heating based on information included in the control signal.

As described above, the present invention has been described in detail through preferred embodiments, but the present invention is not limited thereto, and may be variously implemented within the scope of the claims.

1: serving plate
11: plate body
12: cover
13: heat exchange unit
14: 1st Communication Department
15: detection unit
16: battery
17: first processor
2: herbs
24: the second communication department
25: second memory
27: second processor
28: speaker
29: camera
3: server
34: The 3rd Ministry of Communications
35: third memory
37: third processor
4: User terminal
44: 4th Ministry of Communications
45: fourth memory
47: fourth processor
48: input receiver
49: display

Claims (14)

In the serving plate that can cool or heat food,
A plate body for accommodating food;
A heat exchange unit provided in the plate body to cool or heat the received food;
A communication unit;
Identifying whether a control signal based on a user's access to a predefined user in the area where the serving plate is located is received through the communication unit,
When the control signal is identified as being received, the information included in the control signal is identified,
Serving plate comprising a processor for controlling the heat exchange unit to cool or heat the received food based on the identified information. The method of claim 1,
The heat exchange unit is a serving plate including a Peltier element. The method of claim 1,
The processor, the serving plate to identify whether the control signal is received from an external device in the area where the serving plate is located. The method of claim 1,
The processor is a serving plate for identifying whether the control signal is received from a terminal device of the user or a group member of the user. The method of claim 1,
The communication unit serving plate including a Bluetooth low energy module. The method of claim 1,
Further comprising a cover covering the plate body,
The processor,
As the cover is opened, the serving plate controls the communication unit to transmit a signal notifying the opening to the terminal device of the group member of the user. The method of claim 6,
The processor,
Identifying whether food contained in the plate body remains,
As the food is identified as remaining, the serving plate controls the communication unit to transmit a signal including information on the remaining food to a terminal device of the user's group member. In the electronic device,
A communication unit;
Through the communication unit, identify whether or not a control signal based on a predefined user's approach in an area in which a serving plate capable of cooling or heating food is located is received,
And a processor for controlling the communication unit to transmit the received control signal to the serving plate when the control signal is identified as being received. The method of claim 8,
An electronic device further comprising a speaker or a camera. In the method for controlling a serving plate comprising a Peltier element having a variable temperature and a communication unit communicating with the outside,
Notifying the occurrence of an event in the first mobile device in which an application for controlling the serving plate is installed,
The serving plate operates the Peltier element by executing an operation command received from the first mobile device through the communication unit,
The first mobile device notifies the occurrence of the event when the designated second mobile device is located within a predetermined area. The method of claim 10,
The control method in which the predetermined area is defined as an area separated by a predetermined radius around a point where the serving plate is located. The method of claim 10,
The predetermined area is defined as an area separated by a predetermined radius from a point where the first mobile device is located. The method of claim 10,
A control method in which the serving plate and the first mobile device communicate with each other according to a Bluetooth Low Energy (BLE) communication protocol. In the method of controlling a serving plate capable of cooling or heating food,
Creating a user group in an application of each user terminal of users using the serving plate;
Obtaining information on whether a user terminal of a group member of the user group arrives or leaves a predetermined area range in which the serving plate is located;
Transmitting the information to a group master of the user group or a user terminal of a group member;
Transmitting, by a group master of the user group or a user terminal of a group member, a control signal for controlling the temperature of the serving plate to the serving plate;
And performing a cooling or heating operation by the serving plate based on information included in the control signal.

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