KR100635990B1 - Goods information management system of refrigerator using rfid technique - Google Patents

Abstract

The present invention relates to a product information management system of a refrigerator using a radio frequency recognition technology, and is attached to an article stored in the refrigerator, and when storing a variety of information related to various articles while detecting a signal within a frequency effective range of the article information An RF tag for transmitting an RF tag, an RF tag recognition unit for transmitting an effective frequency signal for reading article related information recorded in the RF tag, or for reading article related information from an RF tag within an effective frequency range; Control the product related information received from the tag recognition unit to be stored in a memory unit to be described later, and then control to display, output or output as voice and sound by comparative analysis and processing the stored product related information according to information processing software. Control unit to control the Internet connection, and Under the control of the control unit, the product related information received from the RF tag recognition unit, and the memory unit for storing the information processing software, and the input function, the comparative analysis and processing under the control of the control unit A display unit for displaying product-related information, a voice output unit for outputting the product-related information, which has been analyzed and processed according to the control of the controller, by voice and sound, and connected to an external communication network under the control of the controller to use the Internet Characterized in that the refrigerator comprises a communication unit to enable this.

RFID, refrigerator, RF tag, product information, expiration date, display

Description

Product information management system of refrigerator using radio frequency recognition technology {GOODS INFORMATION MANAGEMENT SYSTEM OF REFRIGERATOR USING RFID TECHNIQUE}

1 is a block diagram of an entire article information management system of a refrigerator using a radio frequency recognition technology according to the present invention.

Figure 2 is a view showing the appearance of a refrigerator to which the article information management system of the refrigerator using a radio frequency recognition technology according to the present invention.

3 is a view showing a variety of information of the article displayed on the display unit of the refrigerator by reading the article information from the RF tag according to the present invention.

<Explanation of symbols for the main parts of the drawings>

10: article 11: RF tag

20: refrigerator 21: RF tag recognition unit

22: control unit 23: memory unit

24: display unit 25: audio output unit

26: communication unit 27: translation unit

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a product information management system of a refrigerator using a radio frequency identification technology, and in particular, to recognize information of an RF tag using a radio frequency identification (hereinafter referred to as 'RFID') technology. The refrigerator is provided with an RF tag recognition device capable of performing the recognition, and displays information on various items tagged with RF tag through the RF tag recognition device, so that the user can efficiently display various information of the corresponding items stored in the refrigerator. The present invention relates to a product information management system of a refrigerator using RFID technology.

In general, the refrigerator refers to a storage space for storing food and articles, and storing food and articles at a low temperature by a refrigeration cycle that circulates refrigerant to exchange heat.

Even if food is well stored in such a refrigerator, after a certain period of time, food and articles cannot be completely prevented from being decayed. Therefore, the user needs to check the condition and shelf life of food and articles stored in the refrigerator from time to time.

On the other hand, in contrast to the former refrigerator only performed a limited function of storing and preserving food and articles, recent refrigerators have various additional functions, that is, input functions, display functions, and Internet functions.

That is, a display unit comprising an LCD liquid crystal display is mounted on the front exterior of the refrigerator, and the display unit displays information on the refrigeration and freezing environment in the refrigerator. In this case, the display unit serving as a touch pad and a PDA may display corresponding information or perform a function by inputting a desired control command based on a control command input window executed in the display unit.

In addition, the refrigerator may be connected to an external communication network such as the Internet to use the Internet through the refrigerator.

In the refrigerator having the above functions, in order to manage the food, article, or expiration date in the conventional refrigerator, the user inputs information on each article by hand, or even in a refrigerator equipped with a separate display unit as described above. Enter information about the item.

However, in this case, not only the inconvenience of having to input or input the information one by one, but also the input information is limited and has a limitation in displaying various processed information to help the user.

On the other hand, in the POS (Point of sale) system or goods management system, the most frequently used for the recognition and information management of a specific object, there is a bar code (Bar code) system, which bar bar specific information The attachment formed in the pattern is attached to the object to be managed, and the information is managed by reading the bar pattern.

However, the conventional bar code system has a lot of limitations in use and difficulty in using, such as unrecognizable due to conditions such as snow, rain, fog, dust, etc. there was.

Recently, in order to solve the problems of the prior art, an RFID tag-related RFID technology, which can replace a barcode system, has been proposed in an automation and data collection and management system. have.

The present invention has been made to meet the above requirements, and to solve the problems in the conventional refrigerator, the object of the present invention is to provide a refrigerator with an RF tag recognition device that can recognize the information of the RF tag using RFID technology In the refrigerator, the RFID tag recognition device recognizes and displays information on various items tagged with the RF tag so that the user can efficiently manage the information of the corresponding article stored in the refrigerator. To provide a management system.

In addition, by implementing a home RF tag that records the user's arbitrary item information through the item information recording device attached to the corresponding article to use the RFID technology to manage the product information in addition to the RF tag attached article The present invention provides a product information management system for a used refrigerator.

In addition, the present invention provides an article management system for a refrigerator using an RFID technology in which an RF tag recognition device is provided inside and outside of a refrigerator so that a user can check the article information before putting the article in the refrigerator.

Another object of the present invention is to provide a product information management system of a refrigerator using RFID technology, which enables the user to inform the user of the information of various items recognized through the RF tag recognition device by voice and sound.

In addition, it is equipped with a translation device for translating the unique number of the various items recognized by the RF tag recognition device to the Internet address of the manufacturer, by connecting to the address through the Internet to obtain additional information of the article RFID It is to provide a product information management system of a refrigerator using technology.

The article information management system of the refrigerator using the radio frequency recognition technology of the present invention for achieving the above object is attached to the articles stored in the refrigerator, and stores a variety of information related to the various items while the signal within the frequency effective range When detected, an RF tag for transmitting corresponding article information and an RF tag for transmitting an effective frequency signal for reading the article related information recorded in the RF tag, or for reading article related information from an RF tag within an effective frequency range. Recognizing unit, and control to store the article-related information received from the RF tag recognition unit in the memory unit to be described later, and then the comparative analysis and processing of the stored article-related information according to the information processing software for display or voice and sound To control the output and to enable the Internet connection Under the control of the control unit having a control unit, a memory unit for storing the product-related information received from the RF tag recognition unit under the control of the control unit, and stores the information processing software, and an input function And a display unit for displaying the product information related to the comparative analysis and processing, and a communication unit for connecting to an external communication network so that the Internet can be used under the control of the controller. A voice output unit for outputting the processed article-related information as voice and sound, a translation unit for translating the unique numbers of the various items recognized through the RF tag recognition unit under the control of the controller, to the Internet address of the manufacturer; The RF tag recognition unit is provided inside and / or outside the refrigerator, while the RF tag is negative. In the case of the goods that are not, implements a home RF tag that records the user's arbitrary goods information through the goods information recording device to be attached to the goods to use, as well as the control unit whether the expiration date of the goods from the goods information Comparative analysis is characterized in that in the case of the expiration date of the article is controlled to display a different background color on the display unit.

Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the article information management system of the refrigerator using the RFID technology according to the present invention.

FIG. 1 is a block diagram illustrating an entire product information management system of a refrigerator using an RFID technology according to an embodiment of the present invention. The article 10 is largely stored in a refrigerator and a refrigerator 20 for managing various types of information of the article 10. The article 10 includes an RF chip 11 including an IC chip storing various information related to the article 10 and an antenna for transmitting the stored corresponding article information when detecting a signal within a frequency effective range. Is attached.

In addition, the refrigerator 20 transmits an effective frequency signal for reading information related to the article 10 recorded in the RF tag 11 or relates to the article 10 from an RF tag 11 that is within an effective frequency range. The RF tag recognition unit 21 for reading the information and the article 10 related information received from the RF tag recognition unit 21 are controlled to be stored in the memory unit 23 to be described later, and then the information processing software. According to the control of the control unit 22 and the control unit 22 to control the display and output the information related to the stored article 10 by comparison analysis and processing or output as voice and sound, according to the control unit 22 The memory unit 23, which stores information related to the article 10 received from the RF tag recognition unit 21, and stores information processing software, and an input function, controls the control unit 22. follow A display unit 24 for displaying the comparative analysis and the processed article 10 related information, and outputting the related analysis and the processed article 10 related information as voice and sound under the control of the controller 22; It includes a voice output unit 25, and the communication unit 26 for connecting to an external communication network under the control of the control unit 22 to enable the use of the Internet.

Further, the control unit 22 further includes a translation unit 27 for translating the unique numbers of the various products recognized by the RF tag recognition unit 21 into the Internet address of the manufacturer.

The RF tag 11 stores a variety of various information related to the article 10, such as the unique number, article name, date of manufacture, expiration date, manufacturer, etc. of the article 10, and may be recorded.

That is, if the article without the RF tag 11, for example, food, such as vegetables, tofu, etc. are stored in a plastic pack, etc. At this time, only the article information required by the user arbitrarily through the article information recording device RF tag, for example For example, it is recorded on the home RF tag implemented for use at home and then attached to the plastic pack of the food to be recognized by the RF tag recognition unit 21.

2 is a view showing the appearance of the refrigerator to which the article information management system of the refrigerator using the RFID technology according to the present invention, the front of the refrigerator 20, the RF tag recognition unit 21 and the display unit 24 The RF tag recognition unit 21 provided in the refrigerator 20 outside the refrigerator 20 is configured to recognize the RF tag 11 of the article 10 from the outside of the refrigerator 20. Before putting it into the refrigerator 20, it is possible to check the product information.

That is, through the RF tag recognition unit 21 provided in the refrigerator 20 on the back of the display unit 24, the information of various items 10 stored in the refrigerator 20 is automatically recognized and read, Through the RF tag recognition unit 21 provided outside the refrigerator 20 to allow the user to check the information of the article 10 before entering the refrigerator 20.

Referring to the operation of the product information management system of the refrigerator using the RFID technology according to the present invention configured as described above are as follows.

First, the article 10 purchased by the user, that is, the article 10 to which the RF tag 11 is attached (in this case, the food information attached to the household RF tag in which the article information is recorded by the article information recording apparatus) is included. When placed in the refrigerator 20 for storage and storage, the RF tag recognition unit 21 provided in the refrigerator 20 has an effective frequency for reading information related to the article 10 recorded in the RF tag 11. Send the signal.

When the RF tag 11 attached to the article 10 is close to the frequency effective range transmitted from the RF tag recognition unit 21 inside the refrigerator 20, the RF tag 11 is an RF tag recognition unit 21. ) Detects the frequency signal transmitted from the RF signal and transmits the related information of the article 10 stored in the RF tag 11 to the RF tag recognition unit 21.

As described above, when the RF tag recognition unit 21 recognizes the RF tag 11 and receives various information of the article 10 from the RF tag 11, the controller 22 transmits the information to the control unit 22. Receives the item information received from the RF tag recognition unit 21 and stores it in the memory unit 23.

Subsequently, the controller 22 compares and processes the article 10 related information according to the information processing software stored in the memory unit 23 and stores the information in the memory unit 23.

Subsequently, when the user inputs an information confirmation command through the display unit 24 having an input function to check the information related to the article 10 stored in the refrigerator 20, the controller 22 according to the information confirmation command. The comparative analysis and processed article 10 related information is read from the memory unit 23 and displayed on the display unit 24 as shown in FIG. 3.

3 is a diagram illustrating various types of information of the article 10 displayed on the display unit 24 of the refrigerator 20 by reading the article information from the RF tag 11, and the related information of the article 20 is illustrated. The article 10 is processed and displayed in the order of identification number, article name, date of manufacture, expiration date, and manufacturer.

In this case, the controller 22 compares the expiration date of the article 10 and controls the display 10 to display the background color differently on the display unit 24 so that the user can easily understand this. do.

In addition, the controller 22 may inform the user of the article 10 related information through voice and sound through the voice output unit 25.

As described above, the user can determine from the related information of the article 10 provided through the display unit 24 and the audio output unit 25 what the article 10 is stored in the refrigerator 20 and the expiration date. It is possible to efficiently recognize and manage information on various articles 10, such as burned out.

And, when translating the unique number of the various items recognized by the RF tag recognition unit 21 through the translation unit 27 to the Internet address of the manufacturer, through the communication unit 26 under the control of the control unit 22 By connecting to the translated Internet address by connecting to an external communication network, it is possible to further obtain various additional information related to the article 10, such as calories, cooking method, storage method, distribution process, producer information, etc. from the corresponding manufacturer.

In addition, by connecting to the Internet through the communication unit 26, it is also possible to obtain additional information about the goods from various Internet sites other than the manufacturer site.

On the other hand, if the user wants to check the information of the article 10 before putting it into the refrigerator 20 for the first time or before removing it from the refrigerator 20 and reinserting it, it is attached to the article 10. The RF tag 11 is located within an effective frequency range transmitted from the RF tag recognition unit 21 provided outside the refrigerator 20 so that the RF tag recognition unit 21 can recognize the information of the RF tag 11. Make sure

Subsequently, when the RF tag recognition unit 21 recognizes the RF tag 11 information of the article 10 and outputs the information to the control unit 22, the control unit 22 then stores the memory unit in the same manner as the control operation described above. The information of the article 10 is stored in the 23 or the comparative analysis and processing, or the information of the article 10 which is desired by the user by reading the information of the article 10 from the memory 23 and the display unit 24 is displayed. By displaying through) allows the user to check the information of the article (10).

As described above, the present invention includes an RF tag recognition device capable of recognizing information of an RF tag using an RFID technology in a refrigerator, and in which the RF tag is attached to the refrigerator through an RF tag recognition device. By recognizing and displaying the information of the goods, the user can effectively check and manage the information and the state of the goods stored in the refrigerator without having to open the refrigerator door and check them individually. There is also an effect that can be prevented to be discarded in advance.

In addition, by implementing a home RF tag that records the user's arbitrary article information through the article information recording apparatus and attaches it to the corresponding article, it can be used to manage the article information in addition to the article with the RF tag and recognize the RF tag. The device is provided inside and outside of the refrigerator, so that the user can check the item information before putting the item in the refrigerator.

In addition, a translation device that can inform the user of the information of the various items recognized through the RF tag recognition device by voice and sound, and translates the unique number of the various items recognized through the RF tag recognition device to the Internet address of the manufacturer. By providing a connection to the corresponding address via the Internet has the effect that it is possible to obtain additional information of the article.

As described above, the present invention allows the user to conveniently use this information by automatically recognizing and managing the information of the goods out of the method of inputting corresponding management information such as item list management and expiration date management in the conventional refrigerator. By providing a lot of processed information, there is an effect such that the refrigerator can serve as an information providing system that provides useful information to the user beyond the machinery of the refrigeration function.                     

In particular, by using the information of various items in the RF tag, inventory management, expiration date management, price management and family information or other data stored in the memory department, good and bad food, some food for the family When you select it will be able to provide a variety of information useful in real life, such as what to buy compared to the goods in the refrigerator.

Claims (5)

Attached to the goods stored in the refrigerator, when storing a variety of information related to the various items and when detecting a signal within the frequency effective range RF tag for transmitting the corresponding article information, and reading the article related information recorded in the RF tag RF tag recognition unit for transmitting an effective frequency signal for reading or reading the article related information from the RF tag in the effective frequency range, and controls to store the article related information received from the RF tag recognition unit in the memory unit to be described later A control unit for controlling to display or output the information related to the stored goods according to the information processing software, and to display or output the information as voice and sound, and to control the Internet connection; and the RF tag according to the control of the control unit. Store information related to the goods received from the recognition unit, and A memory unit storing the processing software, a display unit having an input function and displaying information related to comparative analysis and processing under the control of the controller, and connected to an external communication network under the control of the controller In the article information management system of a refrigerator using a radio frequency identification technology, characterized in that consisting of a refrigerator comprising a communication unit to enable the use of the Internet, According to the control of the controller, a voice output unit for outputting the product related information, which has been analyzed and processed by comparison and processing, and a unique number of various products recognized through the RF tag recognition unit under the control of the controller. A translator for translating to an Internet address and the RF tag recognition unit are provided inside and / or outside the refrigerator, and in the case of the article without the RF tag, the article information of the user is recorded through the article information recording device. In addition to implementing the home RF tag to be attached to the article to use, as well as the control unit compares the expiration date of the goods from the product information to compare the background of the expiration date of the goods to display different background color on the display unit Product information management of the refrigerator using a radio frequency recognition technology characterized in that the control system. delete delete delete delete

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