KR100371328B1 - A home appliance network system and IP addressing - Google Patents

Abstract

The home appliance network system and the address allocating method according to the present invention comprise the home appliance connected to the network and a plurality of address management means for allocating an address to enable the home appliance to communicate with the home appliance itself product information and hardware Transmitting the ID to a plurality of address management means connected to the network; A second step of each of the plurality of address management means for assigning an address to the home appliance to transmit its own information to the home appliance; A third step of qualifying address assignment by selecting a corresponding address management means capable of assigning an address to the home appliance; A fourth step of assigning a logical ID of the home appliance; The fifth step of transmitting and notifying the logical ID assigned to the home appliance to a plurality of other address management means, and can perform the address assignment for the network selectively depending on the state of the home appliance and the address management means In addition, there is an effect that the network can be accessed smoothly in case of failure of the address management means.

Description

Home appliance network system and IP addressing method

The present invention relates to a home appliance network system and an address assignment method, and more particularly, comprising a plurality of address management means for allocating an address to enable communication with the home appliance connected to the network and the home appliance. The present invention relates to a home appliance network system and an address assignment method in which address assignment for a network is automatically performed according to a state of management means.

Recently, with the development of the network through the Internet, the home appliances around the mainstream are multi-products that combine not only the original function of the device but also a number of additional functions. In particular, by installing a LAN card or a modem, not only can be connected to the communication network to communicate, but also can upgrade the performance of the product, and can control the operation of each home appliance from the outside where communication is possible, not the place where the home appliance is installed. .

In general, a communication device for signal transmission between devices transmits / receives a signal to be transmitted through a communication cable and accesses a specific home from an external remote location to control a home appliance, thereby providing a communication connection service provided by an Internet service provider (ISP). Through various transmission and reception data and the program corresponding to each home appliance can be upgraded.

1 is a diagram of a conventional home appliance network system, and a plurality of home appliances (2a, 2b, 2c) installed in each home by receiving an IP to be able to transmit and receive data through a communication network while being controlled from an external remote location. And an address management means (1) for assigning IPs to communicate with the plurality of networkable home appliances (2a, 2b, 2c) and performing storage / management of each IP.

In the Internet communication network, many servers having their own IP addresses are connected and various information is stored, so that the user can download or control the information required by the server through the communication network.

Therefore, in order to access the Internet and a communication network, each home appliance 2a, 2b, 2c must have its own IP address, but in the case of home appliances 2a, 2b, 2c that have not been assigned an IP address, A problem arises in which the communication network cannot be connected.

When a plurality of household appliances are connected to a single address management means as in the conventional home appliance network system, the address management means is broken or the overload of the connected home appliance, the IP address assigned by the address management means. If the address management means does not play the role of IP address assignment due to an error, the network of the home appliance connected to the address management means is impossible.

The present invention has been made to solve the above problems of the prior art, the purpose of which is to assign the address to the household appliances connected to the network through a plurality of address management means by mutually depending on the state of the household appliances and address management means An object of the present invention is to provide a home appliance network system and an address assignment method capable of selectively performing address assignment for a network.

1 is a block diagram showing the configuration of a home appliance network system according to the prior art;

2 is a block diagram showing the configuration of a home appliance network system according to the present invention;

3 is a flowchart illustrating a home appliance network address allocation method according to the present invention.

<Explanation of symbols on main parts of the drawings>

10a, 10b, 10c: address management means 11a, 11b, 11c: home appliances

According to a feature of the home appliance network system according to the present invention for solving the above problems, the home appliance is connected to the network and performs the overall control function according to the received control information and at the same time transmitting the internal status information, and It is configured to include a plurality of address management means for automatically allocating an address to detect communication of the home appliance connected to the network network, and simultaneously store / manage the assigned address.

According to a feature of the home appliance network address allocation method according to the present invention, a plurality of address managements are connected to the network network with its own product information and hardware IDs so that the home appliance connected to the network network is assigned an address to enable data communication. Transmitting to the means; A second step of each address management means for assigning an address to the home appliance, among the plurality of address management means received the product information and the hardware ID of the first step, to transmit its own information to the home appliance; A third step of qualifying address allocation by selecting corresponding address management means for collecting the information of the address management means transmitted in the second step by the home appliance and assigning an address to the home appliance; The address management means selected in step 3 includes a fourth step of assigning a logical ID so as not to overlap the hardware ID of the home appliance.

In addition, according to the second aspect of the home appliance network address allocation method according to the present invention, the address management means for assigning a logical ID to the home appliance in the fourth step is the home appliances to a plurality of other address management means connected to the network; The method may further include a fifth step of transmitting and notifying the logical ID assigned to the device.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a block diagram of a home appliance network system according to the present invention. The home appliance 11a, 11b, which is connected to a network and performs various control functions according to the received control information and simultaneously transmits internal state information, 11c) and a plurality of address management means 10a for automatically allocating an address so as to detect communication of the home appliances 11a, 11b, 11c connected to a network network and simultaneously storing / managing the assigned address. , 10b, 10c).

In order to form a home network by connecting the home appliances 11a, 11b, and 11c, the network network generally configures a LAN network using coaxial cable, RF wireless communication, infrared communication, power line communication, or the like.

The home appliances 11a, 11b, and 11c are connected to the network network according to a hardware ID uniquely assigned at the time of manufacture, so that any one of the plurality of address management means 10a, 10b, and 10c is provided. It is configured to be assigned a logical ID from the management means 10a, 10b, 10c.

In addition, the address management means (10a, 10b, 10c) is stored by matching the hardware ID unique to the home appliances (11a, 11b, 11c) and the logical ID assigned from the address management means (10a, 10b, 10c) Contains a mapping table to manage.

The home appliance network address allocation method of the present invention configured as described above will be described with reference to the flowchart shown in FIG. 3.

First, in the first step, any home appliance selected by a user in a home appliance network system configured by connecting a plurality of home appliances 11a, 11b, 11c and a plurality of address management means 10a, 10b, 10c into a single network. Power is applied to the devices 11a, 11b and 11c so that the home appliances 11a, 11b and 11c are connected to the network (see S1).

In the second step, the home appliance (11a, 11b, 11c) connected to the network by applying power in the first step (S1) connects its own product information and a hardware ID uniquely assigned at the time of manufacturing the product to the network. By transmitting to the plurality of address management means (10a, 10b, 10c) to the plurality of address management means (10a, 10b, 10c) that the home appliance (11a, 11b, 11c) that is not assigned an address is connected to the network. (See S2)

The third step is a plurality of address management means (10a, 10b, 10c) receiving the product information and hardware ID of the home appliances (11a, 11b, 11c) transmitted in the second step (S2) within the Determining whether to allocate an address to the home appliances 11a, 11b, 11c, and managing each address to assign an address to the home appliances 11a, 11b, 11c of the plurality of address management means 10a, 10b, 10c. The means 10a, 10b, 10c transmit their own information to the home appliances 11a, 11b, 11c. (See S3.)

At this time, if it is determined that the address management means 10a, 10b, 10c assigns an address to the home appliances 11a, 11b, 11c, the information on the address management means 10a, 10b, 10c is determined. 11a, 11b, and 11c, and if no address assignment is made, the connection status of other home appliances 11a, 11b, and 11c is continuously monitored.

In the fourth step, the home appliance 11a, 11b, 11c collects the information of the address management means 10a, 10b, 10c transmitted in the third step, and addresses the home appliance 11a, 11b, 11c. Assign the address to the home appliance (11a, 11b, 11c) by selecting the corresponding address management means (10a, 10b, 10c) that can be assigned to the address management means (10a, 10b, 10c) Qualify to do so (see S4).

In the fifth step, the corresponding address management means (10a, 10b, 10c) selected in the fourth step generates a logical ID to be assigned to the home appliances (11a, 11b, 11c) to give the logical ID to the home appliances (11a, 11b and 11c) (see S5).

At this time, the address management means (10a, 10b, 10c) is stored by matching the unique hardware ID of the home appliance (11a, 11b, 11c) and the logical ID assigned from the address management means (10a, 10b, 10c) And a mapping table for managing, matching and storing / managing the hardware ID and the logical IDs assigned to the home appliances 11a, 11b, and 11c so that address assignments do not overlap.

The sixth step is that the address management means (10a, 10b, 10c) that has given the logical ID to the home appliances (11a, 11b, 11c) in the fifth step (S5) is a number of other address management means (10a) connected to the network network , 10b, 10c to transmit and inform the logical ID assigned to the home appliances 11a, 11b, 11c (see S6).

The household electrical appliance network system and the address allocating method of the present invention configured as described above are selectively networked according to the state of the household electrical appliance and the address managing means by assigning an address to the household appliance connected to the network through a plurality of address managing means. It is effective to perform address assignment for.

In addition, the home appliance network system and the address assignment method of the present invention has an effect that the network can be smoothly accessed even when one address management means is broken or an overload of the home appliance connected to the system occurs.

Claims (6)

The home appliance, which is connected to the network network, performs all control functions according to the received control information and simultaneously transmits internal status information, and automatically assigns an address so that the home appliance can communicate by detecting that the home appliance is connected to the network. And at the same time comprising a plurality of address management means for storing / managing the assigned address. The method of claim 1, The home appliance is connected to the network according to a hardware ID uniquely assigned at the time of manufacture, and is configured to receive a logical ID from any one of the plurality of address management means. Home appliance network system, characterized in that. The method according to claim 1 or 2, And the address management means comprises a mapping table for matching the unique hardware ID and the assigned logical ID of the home appliance with each other. A first step of transmitting the product information and the hardware ID to a plurality of address management means connected to the network so that the home appliance connected to the network can receive an address and receive data; A second step of each address management means for assigning an address to the home appliance, among the plurality of address management means received the product information and the hardware ID of the first step, to transmit its own information to the home appliance; A third step of qualifying address allocation by selecting corresponding address management means for collecting the information of the address management means transmitted in the second step by the home appliance and assigning an address to the home appliance; The address management means selected in the step 3 is a home appliance network address assignment method, characterized in that the fourth step of assigning a logical ID so as not to duplicate the hardware ID of the home appliance. The method of claim 4, wherein The address management means for assigning a logical ID to the home appliance in the fourth step further includes a fifth step of transmitting and notifying the logical ID assigned to the home appliance to a plurality of other address management means connected to a network. A home appliance network address assignment method. The method of claim 4, wherein The corresponding address management means matches and stores / manages the hardware ID transmitted in the first step and the logical ID assigned to the home appliance in the fourth step so that the address assignment is not duplicated. How to assign an address.