KR102026696B1 - Operating method of home appliance system - Google Patents

Abstract

According to one aspect of the present invention, a method for operating a home appliance system comprises the steps of: connecting a mobile terminal to a first home appliance to communicate each other; requesting, by the mobile terminal, a server for access point information pre-registered with a user account logged in a home appliance-related application; requesting, by the server, a second home appliance for the pre-registered access point information when the second home appliance pre-registered with the user account exists; transmitting, by the second home appliance, a response to the server with first access point information for a pre-registered first point device; transmitting, by the server, the first access point information to the mobile terminal; transmitting, by the mobile terminal, the first access point information to the first home appliance; requesting, by the mobile terminal, the server for registration of the first home appliance; connecting the first home appliance to the first access point device on the basis of the first access point information; requesting, by the first home appliance, the server for registration via the first access point device; registering, by the server, the first home appliance on the basis of the user account; and receiving, by the first home appliance, a product registration completing message from the server via the first access point device.

Description

Operating method of home appliance system

The present invention relates to a home appliance system including a plurality of home appliances and a method of operating the same. More particularly, the present invention relates to a home appliance system and a method of operating the same, which can easily perform product registration for a home appliance.

Recently, there is a growing interest in the Internet of Things (IoT), which increases the value of things by connecting and integrating networks to the things around us.

In addition, with the increasing interest in the Internet of Things (IoT), sensors and electronic devices that support the IoT function are also increasing.

Internet of Things (IoT) refers to a technology or environment that sends data to the Internet in real time by attaching sensors to things.In the IoT environment, people, objects, and spaces are connected to each other through the Internet, creating and collecting information. Can be used, shared.

On the other hand, the home appliance (home appliance) recently deployed in the building is often provided with a communication module to give a variety of smart functions other than the original function of the home appliance.

For example, a home appliance may include a Wi-Fi communication module to communicate with other devices, thereby providing various additional functions and services.

Prior art (Korean Patent Laid-Open Publication No. 10-2013-0013238, publication date February 06, 2013) is connected to a setting mode through an external terminal provided separately from a home appliance, and then wants to connect through an external terminal. The present invention provides a home appliance that receives information on an access point (AP) and user information for registering a home appliance and switches to a use mode, and an online system including the same.

To this end, the prior art (Korean Patent Laid-Open Publication No. 10-2013-0013238) receives a router information directly connected to a home appliance from a user through an external terminal and registers it in an online system.

However, since the router information generally includes many letters and numbers in a similar format, a number of mistakes may occur in a process in which the user directly inputs the router. In addition, in the case of the password information, the user often forgets after the initial setting, and there may be a user who gives up on-line product registration.

Therefore, various methods for the simple and accurate transmission of information to the server to register the online product has been studied.

An object of the present invention is to provide a home appliance system and a method of operating the same that can easily and quickly perform product registration.

An object of the present invention is to provide a home appliance system and a method of operating the same that can prevent information misinput during a product registration process.

It is an object of the present invention to provide an efficient method when registering a plurality of home appliances.

In order to achieve the above or another object, a method of operating a home appliance system according to an aspect of the present invention includes the steps of a mobile terminal communicating with a first home appliance, and the mobile terminal is logged in with a user account logged in to a home appliance related application. Requesting the registered access point information to the server; if there is a second home appliance pre-registered with the user account, the server requests the pre-registered access point information to the second home appliance; 2 the home appliance responding to the server with the first access point information for the first registered access point device, the server transmitting the first access point information to the mobile terminal, the mobile terminal transmitting the first access point information to the first home appliance; 1, transmitting the access point information, the mobile terminal to the server the first home application Requesting registration of the Earth, connecting the first home appliance with the first access point device based on the first access point information, and requesting registration with the server via the first access point device by the first home appliance. The method may include: registering, by the server, the first home appliance based on the user account, and receiving, by the first home appliance, a product registration completion message from the server via the first access point device.

According to an aspect of the present invention, there is provided a method of operating a home appliance system, the method comprising: connecting a mobile terminal to a third home appliance in communication with a third party home appliance; Requesting the registered access point information to the server; if there are home appliances pre-registered with the user account, the server requests the pre-registered access point information to the home appliances; Responding the access point information for the registered access point device to the server, transmitting the access point information received from the home appliances to the mobile terminal, and receiving the access point information received by the mobile terminal to the third home appliance. Transmitting, mobile terminal Requesting the server to register the third home appliance, connecting the third home appliance to a predetermined access point device based on any one of the received access point information, and connecting the third home appliance to the server. Requesting registration with the server via the predetermined access point device, the server registering the third home appliance based on the user account, and the third home appliance completing product registration from the server via the predetermined access point device Receiving the message.

According to at least one of the embodiments of the present invention, product registration can be performed simply and quickly.

In addition, according to at least one of the embodiments of the present invention, it is possible to prevent information mis-input during the product registration process.

In addition, according to at least one of the embodiments of the present invention, it is possible to provide an efficient method when registering a plurality of home appliances.

On the other hand, various other effects will be disclosed directly or implicitly in the detailed description according to the embodiment of the present invention to be described later.

1A to 1D are diagrams illustrating user interface screens provided in a product registration process.
2 is a flowchart illustrating a method of operating a home appliance system according to an embodiment of the present invention.
3 is a diagram illustrating a schematic configuration of a home appliance system according to an embodiment of the present invention.
4 is a flowchart illustrating a method of operating a home appliance system according to an embodiment of the present invention.
5 is a flowchart illustrating a method of operating a home appliance system according to an embodiment of the present invention.

Hereinafter, with reference to the accompanying drawings will be described an embodiment of the present invention; However, the present invention is not limited to these embodiments and may be modified in various forms.

In the drawings, illustrations of parts not related to the description are omitted in order to clearly and briefly describe the present invention, and the same reference numerals are used for the same or extremely similar parts throughout the specification.

On the other hand, the suffixes "module" and "unit" for the components used in the following description are merely given in consideration of ease of preparation of the present specification, and do not give particular meanings or roles by themselves. Therefore, the "module" and "unit" may be used interchangeably.

Further, in this specification, terms such as first and second may be used to describe various elements, but such elements are not limited by these terms. These terms are only used to distinguish one element from another.

1A to 1D are diagrams illustrating user interface screens provided in a product registration process. 1A to 1D are diagrams illustrating an example of a product registration method of a home appliance through a user interface screen displayed on a display unit of a mobile terminal.

When a home appliance related application item is selected in the screen in the mobile terminal by the user, the home appliance application screen may be displayed as shown in FIG. 1A.

When a user selects one of a plurality of home appliance product types included in the user interface screen of FIG. 1A, a guide screen for setting a product connection of the selected home appliance product may be displayed as shown in FIG. 1B.

Meanwhile, if not currently logged in, a login screen (not shown) including a login item, an ID input window, a password input window, and the like may be displayed.

Meanwhile, when an operation according to the guide screen provided as shown in FIG. 1B is performed, a product network setting screen may be displayed as shown in FIG. 1C. For example, the product network setting screen may display a list of Wi-Fi access point (AP) devices.

When any one item of the list of the product network setting screen is selected, the mobile terminal is set to connect to the corresponding access point device.

In particular, when a specific key of the home appliance is operated and the home appliance is in the AP mode operating as the AP device, the mobile terminal connects to the home appliance before product registration. A user may operate a mobile terminal connected to a home appliance to input information corresponding to an access point device to a server and register a product.

When the user selects any one access point device item, as shown in FIG. 1D, an input screen including a password input window for the access point device may be displayed.

If a password is entered, the selected access point device and password information is transferred to the home appliance so that the home appliance can be switched from the AP mode to the station mode accessible to the access point device. The home appliance connects to the corresponding access point apparatus using network information (SSID, password information, etc.) for the access point apparatus.

The selected access point device and password information can be passed to the server so that the home appliance product can be registered with the server.

In addition, in the AP mode, the home appliance transmits product information to the mobile terminal, and the mobile terminal transmits the product information of the home appliance to the server so that the home appliance product may be registered in the server.

2 is a flowchart illustrating a method of operating a home appliance system according to an embodiment of the present invention. The home appliance 100, the mobile terminal 200, an access point (AP) device 400, and a server ( 300 is a flow chart showing the signal flow.

Referring to FIG. 2, the mobile terminal 200 attempts to connect to a home appliance in an access point (AP) mode (S210), and moves with a communication module (ex) Wi-Fi modem of the home appliance 100. The terminal may be connected to the communication (S215).

To this end, when the mobile terminal 200 executes an application related to a home appliance according to a user input, the mobile terminal 200 may provide a user interface screen as shown in FIGS. 1A and 1B.

In addition, the home appliance 100 may be switched to the AP mode according to the operation of a specific button of the home appliance 100 in advance. For example, according to the guide information displayed on the user interface screen provided as illustrated in FIG. 1B, the user may operate the home appliance.

Meanwhile, the mobile terminal 200 may receive information (identification information (SSID), encryption information, etc.) of the AP device 400 to be registered (S220).

If the user manually inputs information of the AP device 400 to be registered (S220), the mobile terminal 200 may transmit information of the AP device 400 to which the home appliance 100 is to be connected (S225).

In addition, the mobile terminal 200 may request a product registration of the home appliance 100 to the server 300 (S230).

According to an embodiment, the mobile terminal 200 requests the product registration of the home appliance 100 by transmitting the product information of the home appliance 100 and / or the information of the AP device 400 to be registered to the server 300. It may be (S230).

Meanwhile, the home appliance 100 requests a connection to the access point apparatus 400 using the received information of the AP apparatus 400 (S240), and the access point apparatus 400 receives the received identification information, Based on the cipher information, the connection can be approved (S245).

In addition, after connecting with the access point apparatus 400, the home appliance 100 may request product registration request and server connection from the server 300 via the access point apparatus 400 with product information (S250). ).

At this time, the home appliance 100 may transmit the product information to the server 300. In addition, according to the embodiment, the home appliance 100 may also transmit the information of the access point apparatus 400 and / or the information of the mobile terminal 200 to the server 300.

When the registration request is normally received at both the home appliance 100 and the mobile terminal 200, the server 300 completes the product registration using the received product information and passes through the access point device 400. The mobile terminal 200 may transmit a product completion message (S255). Accordingly, the product registration of the home appliance can be easily performed.

However, in the process of manually inputting information of the AP device 400 to be registered by the user (S220), a user's mistake often occurs.

In general, the router information basically includes a lot of letters and numbers in a similar format, and thus a number of mistakes may occur in the process of directly entering the router. In addition, in the case of the password information, the user often forgets after the initial setting, and there may be a user who gives up on-line product registration.

If the information of the AP device 400 is incorrectly input, since the connection attempt (S240, S250) between the home appliance 100 and the received AP device 400 is not successful, product registration also fails.

Accordingly, the present invention proposes a method for easily and accurately transmitting information of an AP device to a server, a home appliance, and the like.

In particular, the present invention proposes an effective method for registering a plurality of products online by simply and accurately transmitting previously registered information to a server, a home appliance, and the like.

3 is a diagram illustrating a schematic configuration of a home appliance system according to an embodiment of the present invention.

Referring to FIG. 3, a home appliance system according to an embodiment of the present invention includes a plurality of home appliances 100a and 100b, an AP device 400, a server 300, and a mobile terminal 200. can do.

The home appliance is an electronic device for a user, and includes, for example, an air conditioner 100a, an air cleaner 100b, a refrigerator (not shown), a washing machine (not shown), a cooking appliance (not shown), a vacuum cleaner (not shown). And the like can be exemplified.

The home appliances 100a and 100b may include a communication unit (not shown) therein and may exchange data with electronic devices in the internal network or electronic devices accessible through an external network. To this end, the communication unit (not shown) may perform data exchange with the AP device 400 wirelessly or wirelessly.

An access point (AP) device 400 may provide an internal network to adjacent electrical devices. In particular, it is possible to provide a wireless network.

Meanwhile, the AP device 400 may allocate a wireless channel according to a predetermined communication scheme to electronic devices in the internal network, and perform wireless data communication through the corresponding channel. Here, the predetermined communication method may be a WiFi communication method.

In this case, the mobile terminal 200 located in the internal network may access the home appliances 100a and 100b through the AP device 400 to perform monitoring and remote control of the home appliances 100a and 100b. It becomes possible.

Meanwhile, in addition to the internal network, the AP device 400 may perform data communication with an external electronic device through an external network.

For example, the AP device 400 may perform wireless data communication with a mobile terminal 200 located outside via an external network.

In this case, the mobile terminal 200 located in the external network may access the home appliances 100a and 100b through the external network and the AP device 400 to perform monitoring and remote control of the home appliance. Will be.

As another example, the AP device 400 may perform wireless data communication with a server 300 located externally through an external network.

The server 300 may store firmware information and driving information (course information, etc.) for the home appliances 100a and 100b and register product information for the home appliances 100a and 100b. For example, the server 300 may be a server operated by manufacturers of home appliances 100a and 100b.

Meanwhile, as the launch and use of Internet of Things (IoT) devices are expanded, there may be a home appliance product supporting multiple Wi-Fis in a home. In this case, every time, a process of registering a home appliance product supporting Wi-Fi with an AP device 400 installed in a home and registering it with a server is required.

However, when the user incorrectly inputs the information (SSID / PW) of the AP device 400, the product registration fails, and the manufacturer inquires about the product registration.

For example, it is cumbersome to enter the router information during the product registration step, such as selecting a wrong router such as another home router, entering a password, or forgetting a password, and when registering the wrong router information, the product registration process fails.

The home appliance system according to an embodiment of the present invention includes a plurality of home appliances, and if there is information previously registered in one user account (ID), the AP device 400 receives information from the corresponding product, It can be used for product registration process.

For example, as shown in FIG. 3, if the air conditioner 100a is connected to the home AP device 400 and registered in advance in the server 300, the AP device is registered during the product registration process of the air cleaner 100b. Information of the 400 may be obtained through the air conditioner 100a instead of the user.

The server 300 may receive, from the air conditioner 100a, the AP device 400 information input when registering the product of the air conditioner 100a in the product registration process, and the air cleaner 100b may access the AP device 400. ) You can register immediately without entering any information.

Since identification information / password information (SSID / PW) of the AP device 400 may be a security issue, the identification information / password information (SSID / PW) is preferably stored in the home appliance 100a and transmitted whenever necessary without being stored in the server 400.

According to the present invention, when at least one home appliance is already registered, the user may not input the necessary information in the process of connecting an additional home appliance product, and may receive a previously set information and proceed with system registration. And failure can be prevented.

In addition, it is possible to eliminate the router information input step, such as Figures 1c and 1d.

Accordingly, it is possible to prevent the registration information of the router to prevent the product registration failure, and to reduce the registration step in the home registered once the home appliance product.

4 is a flowchart illustrating a method of operating a home appliance system according to an embodiment of the present invention.

First, the mobile terminal 200 may be communicatively connected with the first home appliance 100a.

Referring to FIG. 4, the mobile terminal 200 attempts to access the first home appliance 100a in an access point (AP) mode state (S410), and the communication module ex of the first home appliance 100a. Wi-Fi modem) can be connected to the communication (S415).

The mobile terminal 200 may request the server 300 for access point information previously registered with a user account logged in to a home appliance-related application (S420).

If there is a second home appliance 100b previously registered with the user account, the server 300 may request the pre-registered access point information from the second home appliance 100b (S425, S430). This request for access point information may be performed via a pre-registered access point device (S425).

Here, the first access point information may include identification information (SSID) and password (PW) information of the first access point device 400.

On the other hand, if there is no product already registered with the user account, as described with reference to Figure 2, by manually receiving information from the user will proceed to product registration.

Meanwhile, the second home appliance 100b may respond to the server 300 with first access point information about a first registered access point device 400 (S435 and S440). The response of the access point information may be performed via the first access point device 400 (S435).

Meanwhile, the server 300 may transmit the first access point information to the mobile terminal 200 (S445).

The mobile terminal 200 may transmit the first access point information for the first access point device 400 to be connected to the first home appliance 100a (S450).

In addition, the mobile terminal 200 may request product registration of the first home appliance 100a from the server 300 (S460).

According to an embodiment, when the product information of the first home appliance 100a is received, the mobile terminal 200 may request product registration by transmitting the product information of the first home appliance 100a to the server 300. have.

Meanwhile, the first home appliance 100a may be connected to the first access point device 400 based on the received first access point information (S470 and S475).

For example, the first home appliance 100a requests a connection to the first access point device 400 using the received information of the AP device 400 (S470), and the first access point device 400. May approve the connection based on the received identification information and encryption information (S475).

Thereafter, the first home appliance 100a may request a product registration request and a server connection from the server 300 to the server 300 via the first access point device 400 (S480).

At this time, the first home appliance 100a may transmit the product information to the server 300. In addition, according to the embodiment, the first home appliance 100a may also transmit information of the first access point device 400 and / or information of the mobile terminal 200 to the server 300.

When the server 300 normally receives a registration request from both the first home appliance 100a and the mobile terminal 200, the server 300 completes product registration with the user account using the received product information, and the first access point. Via the device 400, the product completion message may be transmitted to the mobile terminal 200 (S485).

Accordingly, the first home appliance 100a receives the product registration completion message from the server 300 via the first access point device 400 (S485), thereby simplifying the operation of the first home appliance 100a. Product registration can be completed.

According to an embodiment of the present invention, the server 300 may receive router information registered in the same account from the pre-registered home appliance 100b and transmit it to the mobile terminal 200.

In addition, the mobile terminal 200 transmits the received router information to the home appliance, and the home appliance may access the router using the received router information.

Therefore, there is no manual input process of the router information, so that the product registration step can be simplified, and a mistake of entering the router information can be prevented.

On the other hand, two or more routers in a home may be installed. In this case, all router information can be requested to each product and received and processed at once.

According to an exemplary embodiment, the Wi-Fi signal strength may be measured, and then connection may be sequentially attempted.

5 is a flowchart illustrating a method of operating a home appliance system according to an exemplary embodiment of the present invention, and illustrates a case in which two routers 400a and 400b are installed in one home.

Referring to FIG. 5, the mobile terminal 200 may be communicatively connected to the third home appliance 100c in an access point (AP) mode (S510).

The mobile terminal 200 may request the server 300 for access point information previously registered with a user account logged in to a home appliance-related application (S520). The mobile terminal 200 may communicate with the server 300 via an access point device connected among the access point devices 400a and 400b. Alternatively, the mobile terminal 200 may communicate with a server through wireless communication such as LTE, not Wi-Fi.

When there are home appliances 100d and 100e registered with the user account, the server 300 may request the pre-registered access point information from the home appliances 100d and 100e (S521, S531). That is, the server 300 may request all the router information from each product.

The home appliances 100d and 100e may respond to the server 300 with access point information about the access point devices 400a and 400b that are pre-registered at the time of product registration, respectively (S522 and S532).

The home appliances 100d and 100e may transmit the access point information to the server 300 via the connected access point device, respectively.

For example, the home appliance 100d may transmit information through the connected first access point device 400a, and the home appliance 100e may transmit information through the connected second access point device 400b.

According to a setting, the server 300 may wait until the access point information of all pre-registered home appliances (100d, 100e) is received.

Meanwhile, the server 300 may transmit the received access point information to the mobile terminal 200 (S535), and the mobile terminal 200 transmits the received access point to the third home appliance 100c. Information may be transferred (S537).

Here, the access point information may include information about the first access point device 400a and the second access point device 400b. The information about the first access point device 400a and the second access point device 400b may include identification information and encryption information of each device 400a or 400b.

When duplicated access point information exists, the server 300 preferably transmits only one duplicated access point information.

Meanwhile, the mobile terminal 200 may request the server 300 to register a product of the third home appliance 100c (S540).

Meanwhile, the third home appliance 100c may be connected to a predetermined access point device based on any one of the received access point information (S560, S565, S570, S575), and the third home. The appliance 100c may request product registration from the server 300 via the connected predetermined access point device (S580).

Here, more preferably, the third home appliance 100c may be connected to an access point device having the largest signal strength among the plurality of access point devices 400a and 400b.

To this end, the third home appliance 100c may compare the signal strength to select the access point device having the strongest signal strength (S550), and attempt to connect sequentially in order of signal strength.

For example, if the signal strength of the first access point device 400a is greater than the signal strength of the second access point device 400b, the third home appliance 100c first looks at the first access point device 400a. Select (S550).

The third home appliance 100c requests to access the first access point device 400a by using the received information of the first access point device 400a (S560), and the first access point device 400a On the basis of the received identification information and encryption information, the connection can be approved (S565).

If the connection with the first access point device 400a fails, the third home appliance 100c connects to the first access point device 400b by using the received information of the second access point device 400b. In operation S570, the first access point device 400b may approve the connection based on the received identification information and encryption information (S575).

If the connection of the first access point device 400a or the second access point device 400b is successful, the server 300 may then use the third home appliance 100c in the same manner as described with reference to FIG. 4. When the registration request is normally received from both the and the mobile terminal 200, the product registration is completed using the user account using the received product information, and via the first access point device 400, the mobile terminal 200. , A product completion message can be sent.

Accordingly, the third home appliance 100c may receive a product registration completion message from the server 300 via the connected predetermined access point device.

The home appliance system according to an embodiment of the present invention may share the router information of the router 400 registered in the same account and automatically access the corresponding router information.

By receiving the router setting information of the home appliance already registered in the same account and inducing registration, it is possible to prevent the mistake of entering the router information, and if the product is registered at least once in a home, the additional registration step can be simplified.

According to at least one of the embodiments of the present invention, product registration can be performed simply and quickly.

In addition, according to at least one of the embodiments of the present invention, it is possible to prevent information mis-input during the product registration process.

In addition, according to at least one of the embodiments of the present invention, it is possible to provide an efficient method when registering a plurality of home appliances.

The home appliance, the server, the mobile terminal, and the home appliance system according to the present invention are not limited to the configuration and method of the above-described embodiments, but the above embodiments may be modified in various embodiments. All or some of these may optionally be combined.

On the other hand, the operation method of the home appliance, server, mobile terminal and home appliance system according to an embodiment of the present invention, it is possible to implement as a processor readable code on a processor-readable recording medium. The processor-readable recording medium includes all kinds of recording devices that store data that can be read by the processor. Examples of the processor-readable recording medium include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage device, and the like, and may also be implemented in the form of a carrier wave such as transmission over the Internet. . The processor-readable recording medium can also be distributed over network coupled computer systems so that the processor-readable code is stored and executed in a distributed fashion.

In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

100: home appliance
200: mobile terminal
300: server
400: access point device

Claims (9)

The mobile terminal is in communication with the first home appliance;
Requesting, by the mobile terminal, access point information previously registered with a user account logged into a home appliance-related application to a server;
When receiving the request for the access point information from the mobile terminal, the server checks whether there is a second home appliance registered with the user account,
The server, if there is the second home appliance pre-registered with the user account, requesting the pre-registered access point information from the second home appliance;
Transmitting, by the second home appliance, first access point information for a first registered access point device to the server;
The server transmitting the first access point information received from the second home appliance to the mobile terminal;
The mobile terminal forwarding the first access point information received from the server to the first home appliance;
Requesting, by the mobile terminal, the server to register the first home appliance;
Connecting the first home appliance to the first access point device based on the first access point information received from the mobile terminal;
Requesting registration by the first home appliance from the server via the first access point device;
Registering, by the server, the first home appliance based on the user account; And,
Receiving, by the first home appliance, a product registration complete message from the server via the first access point device. The method of claim 1,
And wherein the first access point information includes identification information and cryptographic information of the first access point device. The method of claim 1,
The second home appliance responds to the server with first access point information about a first registered access point device.
And the second home appliance transmits the first access point information to the server via the first access point device. The mobile terminal is in communication with the third home appliance;
Requesting, by the mobile terminal, access point information previously registered with a user account logged into a home appliance-related application to a server;
When the server receives a request for the access point information from the mobile terminal, the server checks whether there are a plurality of home appliances previously registered with the user account,
Requesting, by the server, the pre-registered access point information when the plurality of home appliances are pre-registered with the user account;
Transmitting, by the plurality of home appliances, the access point information for the previously registered access point device to the server;
The server transmitting access point information received from the plurality of home appliances to the mobile terminal;
The mobile terminal forwarding the access point information received from the server to the third home appliance;
Requesting, by the mobile terminal, the server to register the third home appliance;
Connecting the third home appliance to a predetermined access point device based on any one of the received access point information;
Requesting registration by the third home appliance from the server via the connected predetermined access point device;
Registering, by the server, the third home appliance based on the user account; And,
Receiving, by the third home appliance, a product registration complete message from the server via the predetermined access point device. The method of claim 4, wherein
The step of connecting the third home appliance with a predetermined access point device based on the access point information of any one of the received access point information, the third home appliance is connected with the access point device having the largest signal strength Operation method of a home appliance system, characterized in that. The method of claim 4, wherein
And the access point information includes identification information and cryptographic information of access point devices. The method of claim 4, wherein
Wherein the plurality of home appliances to transmit the access point information for the pre-registered access point device to the server, respectively,
And transmitting the access point information to the server via the access point device to which the plurality of home appliances are connected, respectively. The method of claim 4, wherein
Waiting for the server to receive the access point information from all of the plurality of pre-registered home appliances;
The server transmitting the access point information received from the plurality of home appliances to the mobile terminal,
And when the server receives the access point information from all of the plurality of pre-registered home appliances, transmitting the access point information to the mobile terminal. The method of claim 4, wherein
The server transmitting the access point information received from the plurality of home appliances to the mobile terminal,
And the server transmits only one duplicated access point information among the access point information received from the plurality of home appliances.

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