JP2002267335A - Containing compartment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a containing compartment in which the environmental information in the compartment is recorded in a radio tag fixed to an article contained in the compartment. SOLUTION: A radio tag information receiver 11 receives information, recorded in the recording area of a radio tag 10 fixed to an article 2 contained in a compartment 10, by radio and stores that information in a memory 12. Based on the information stored in the memory 12, an operating unit 13 determines an optimal preservation environment of the article 2, e.g. temperature and humidity in the compartment, and environment in the compartment is adjusted by means of a temperature controller 15 and a humidity controller 16 based on the preservation environment thus determined. An environment measuring sensor 14 measures the temperature and humidity in the compartment. A radio tag information transmitter 17 records environmental information, measured by the environment measuring sensor 14, by radio in the recording area of the radio tag 10 fixed to the article 2 contained in the compartment 10 thus recording preservation environment of the article 2.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a storage for storing an article to which a wireless tag is attached and writing environmental information in the refrigerator to the wireless tag, for example, a refrigerator, a cool box, a warm box, a freezer and a warehouse. About.

[0002]

2. Description of the Related Art When an article is stored in a storage such as a refrigerator, a cool box, a warm box, a freezer, and a warehouse, the quality of the article may be deteriorated by the environment such as temperature and humidity in the box. In view of such a problem, Japanese Patent Application Laid-Open No. 58-164
No. 979 discloses a refrigerator capable of controlling the temperature in a multi-room, each of which can be adjusted to an appropriate temperature. The refrigerator disclosed in Japanese Patent Application Laid-Open No. 58-164979 can adjust the temperature of each room of the refrigerator by adjusting a valve of a cooler. However, in the refrigerator disclosed in Japanese Patent Application Laid-Open No. 58-164979, when determining the cooling temperature, the user must acquire storage temperature information about the articles to be stored in advance, and how much the storage temperature is actually determined. I could not tell if it was stored at the temperature.

As a prior art for solving such a problem, Japanese Patent Application Laid-Open No. Hei 10-282885 discloses an article management system using an electronic tag. JP-A-10-
In the article management system disclosed in Japanese Patent No. 282885, an electronic tag including an article management code for identifying the article and an environment information measuring device for measuring environmental information such as temperature is attached to an article stored in the storage box. The temperature in the storage is automatically adjusted according to the articles to be stored.

[0004]

However, in Japanese Unexamined Patent Publication No. 10-282885, the temperature in the storage can be controlled by information received from the electronic tag, but the article is stored in any state. I do not record how he was. Therefore, for example, Japanese Patent Application Laid-Open No. H10-282
When the article management system disclosed in Japanese Patent No. 885 is used, for example, in a freezer, the temperature (storage state) at which the food was stored is not accurately known. However, the time of irradiating the electromagnetic wave may be too short or too long, and the thawing or cooking may be uneven.

Also, frozen foods such as ice cream
It is necessary to keep frozen, but at the time of storage, for example, a failure such as a power failure occurs, the temperature in the refrigerator cannot be maintained, and the condition changes when it is thawed. Will not return to state. If the power is restored without the user noticing the power failure, the power failure occurs until the user opens the storage and looks at the item, especially when the item is in a container such as a box, until the user looks inside the container. The discovery is delayed because it cannot be known.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a storage for recording environmental information in a storage on a wireless tag attached to an article stored in the storage.

[0007]

SUMMARY OF THE INVENTION The present invention relates to a storage for storing an article to which a wireless tag having a rewritable recording area is attached, wherein the sensor measures an environment in the storage and the sensor measures the environment. A wireless storage device comprising: a wireless transmission device that wirelessly records environmental information in the refrigerator in a recording area of a wireless tag attached to an article stored in the refrigerator.

According to the present invention, environmental information in the storage, such as temperature and humidity, is measured by a sensor, and this environmental information is stored in a recording area of a wireless tag attached to an article stored in the storage by a wireless transmission device. Recording is performed in a non-contact wireless manner. Therefore, from the information recorded in the recording area of the wireless tag attached to the article, it is possible to know in what environment the article is stored.

Further, according to the present invention, when the sensor detects that the storage temperature could not be kept constant during storage of the article, the wireless transmission device records storage environment failure occurrence information in a recording area of a wireless tag. It is characterized by doing.

According to the present invention, when the temperature in the refrigerator cannot be kept constant at the time of storage of the article, fault occurrence information is recorded in the wireless tag. Can be known.

Further, the present invention is characterized by comprising a warning notifying device for notifying a user of a warning when the sensor detects that the storage temperature could not be kept constant during article storage. I do.

According to the present invention, a warning notification device for notifying a user of a warning when the temperature in the refrigerator cannot be kept constant during storage of articles is provided. Abnormality can be known immediately.

Further, according to the present invention, the temperature in the refrigerator is included in the proper storage temperature range in the refrigerator based on the temperature in the refrigerator measured by the sensor and a predetermined proper storage temperature range in the refrigerator. When there is no wireless tag, failure occurrence information is recorded in the wireless tag.

According to the present invention, the temperature in the refrigerator measured by the sensor is compared with a predetermined proper storage temperature range in the refrigerator so that the temperature in the refrigerator falls within the proper storage temperature range in the refrigerator. If not included, failure occurrence information is recorded in the wireless tag, so that it is possible to know whether or not a failure has occurred, such as a power failure or a device failure.

The present invention further includes a receiving device for reading information to be written in a recording area of the wireless tag, wherein the temperature in the refrigerator measured by the sensor and the proper storage temperature of the article read from the wireless tag by the receiving device. When the temperature in the refrigerator is not included in the proper storage temperature range of the article based on the range, the storage inappropriate information is recorded in the wireless tag.

According to the present invention, the temperature in the refrigerator measured by the sensor is compared with a predetermined proper storage temperature range of the articles, and the temperature in the refrigerator is not included in the proper storage temperature range of the articles. In this case, the storage improper information is recorded in the wireless tag. Therefore, it is possible to know the storage state of each of the articles stored in the storage, and to know the storage state of the articles stored in the storage when, for example, a power failure or device failure occurs.

[0017]

FIG. 1 is a perspective view showing the appearance of a storage 1 according to an embodiment of the present invention. Storage 1
For example, a refrigerator, a cool box, a warm box, a freezer, a warehouse, and the like. The storage 1 stores and stores the articles 2 in the storage.
The article 2 is provided with a wireless tag 10 having a recording area in which information can be rewritten wirelessly. The wireless tag 10 is attached to the side of the article 2. FIG. 1 also shows the storage environment acquisition device 3. The storage environment acquisition device 3 is a device that can acquire information recorded in the recording area of the wireless tag 10 outside the storage 1. Further, the storage environment acquisition device 3 has a display device, can display information acquired from the wireless tag 10 using this display device, and can transfer the information to another device.

FIG. 2 is a block diagram showing the configuration of the storage 1 of FIG. The storage 1 is a wireless tag information receiving device 1
1, memory 12, arithmetic unit 13, environment measurement sensor 14,
It includes a temperature control device 15, a humidity control device 16, a wireless tag information transmission device 17, a warning notification device 20, a display device 21, and a speaker 22.

The wireless tag information receiving device 11 is a wireless tag 10 attached to an article 2 stored in the storage 1.
Is received by a non-contact wireless method. In addition, the wireless tag information receiving device 11
It is possible to receive information recorded in the recording areas of the plurality of wireless tags 10. The memory 12 records information received by the wireless tag information receiving device 11. Arithmetic unit 1
Reference numeral 3 includes a CPU (Central Processing Unit), for example, and determines an environment such as a set temperature and a set humidity in the refrigerator based on information recorded in the memory 12.
Further, the arithmetic unit 13 controls the entire storage 1. The environment measurement sensor 14 measures information on the environment that may affect the quality of the article 2 in the refrigerator. In the present embodiment, the environment measurement sensor 14 includes a temperature sensor and a humidity sensor, and measures the temperature and humidity in the storage 1.

The temperature controller 15 adjusts the inside of the refrigerator based on the set temperature determined by the arithmetic unit 13 and the temperature measured by the environment measuring sensor 14. The humidity control device 16 adjusts the humidity in the refrigerator based on the set humidity determined by the arithmetic device 13 and the humidity in the refrigerator measured by the environment measurement sensor 14. The wireless tag information transmitting device (wireless transmitting device) 17 transmits the environment information measured by the environment measuring sensor 14 to the article 2 stored in the refrigerator.
Information is wirelessly recorded in a recording area of the wireless tag 10 attached to the wireless tag. Further, if the temperature setting and the humidity in the refrigerator cannot be kept constant due to a power failure or a failure in the temperature controller 15 and the humidity controller 16, the storage 1 in the recording area of the wireless tag may fail. The failure occurrence information indicating that an error has occurred, the improper storage information indicating that the state of the storage 1 of the storage 1 for storing the article 2 is inappropriate, and the like are recorded.

The warning notifying device 20 is used when the temperature control device 15 or the humidity control device 16 fails and a temperature or humidity cannot be adjusted automatically.
The user is warned using the display device 21 and the speaker 22. The display device 21 is configured by, for example, a liquid crystal display device, and when notifying the occurrence of a failure using the display device 21, the user is notified of a warning by characters or the like. The speaker 22 warns the user of the occurrence of a failure by sound.

FIG. 3 shows a wireless tag 10 attached to the article 2.
FIG. 6 is a diagram showing a memory information table 30 recorded in a recording area of FIG. The memory information table 30 has a reading area 31 in which the wireless tag information receiving device 11 reads information wirelessly, and a writable area 32 in which the wireless tag information transmitting device 17 writes information wirelessly.

The reading area 31 is an area for recording information unique to the article 2 to which the wireless tag 10 is to be attached. In the reading area 31, an identification number, a name, and proper storage environment information of the article 2 for identifying and managing the article 2 are recorded in advance. In the present embodiment, the proper storage environment information is an upper limit value and a lower limit value of a proper storage temperature which is a temperature suitable for storing the article 2, and an upper limit value and a lower limit value of a proper storage humidity which is a humidity suitable for storing the article 2. is there.

In the writable area 32, the storage state of the article 2 to which the wireless tag 10 is attached in the storage, and the storage temperature and the storage humidity which are the environmental information measured by the environment measuring sensor 14 in the storage are recorded. . Further, in the writable area 32, when the article 2 to which the wireless tag 10 is attached is stored, a failure such as a failure of the temperature control device 15 or the humidity control device 16 to automatically adjust the temperature or humidity is caused. When this occurs, this failure information is recorded. In the present embodiment, the article 2
The identification number, name, and proper storage environment information are recorded in the reading area 31 in advance, but these pieces of information may also be recorded in a rewritable area. In this case, by providing the storage device 1 with the operation device, the identification number, the name, and the appropriate storage environment information can be changed in the storage device 1.

FIG. 4 is a flowchart showing the operation of the storage 1 for recording environmental information in the recording area of the wireless tag 10. When the article 2 to which the wireless tag 10 is attached is stored in the storage 1, the wireless tag 10
From the memory information table 30 in the recording area of the tag, the article identification number, the article name,
Also, read the proper storage temperature upper limit, the proper storage temperature lower limit, the proper storage humidity upper limit, and the proper storage humidity lower limit that are the proper storage environment information. Next, the process proceeds to step S42, and the information read in step S41 is sequentially stored in the memory 12. Next, in step S43, the appropriate storage environment information stored in the memory 12 is read, and the setting environment of the storage 1 is determined. Here, the temperature and humidity optimal for storing the articles 2 stored in the storage 1 are set as the setting environment.

Next, the process proceeds to step S44, in which the temperature control device 15 and the humidity control device 16 perform heating or cooling so that the inside of the refrigerator has the setting environment obtained in step S43.
Humidify or dehumidify. Next, the process proceeds to step S45, in which the wireless tag information transmitting device 17 stores the storage state of the storage information in the memory information table 30 of the wireless tag 10 in the storage of the storage 1 in the area where the storage is started. Is recorded. Next, proceeding to step S46, the temperature and humidity, which are the environment information in the refrigerator measured by the environment measuring sensor 14 in the refrigerator, are recorded in the memory information table 30 of the wireless tag 10 by the wireless tag information transmitting device 17.

As described above, since the storage 1 can record environmental information in the storage in the recording area of the wireless tag 10 attached to the article 2, the storage environment as shown in FIG. By displaying the information stored in the recording area of the wireless tag 10 on the acquisition device 3, the storage environment of the article 2 can be easily known. Further, for example, if the storage 1 is a freezer, the stored temperature is recorded on the wireless tag, so that the frozen food can be thawed or cooked in a microwave provided with a receiving device for receiving information from the wireless tag. Therefore, the time of irradiating the electromagnetic waves when thawing or cooking is performed is not too short or too long, and the thawing or cooking does not become uneven. Therefore, even outside the storage 1, it is easy to process the article 2 in combination with an external device that shares information recorded on the wireless tag 10.

FIG. 5 is a flowchart showing the operation of the storage 1 to record the failure information and the improper storage information which are the storage environment failure information in the recording area of the wireless tag 10. When a plurality of articles 2 to which the wireless tags 10 are attached are stored in the storage 1, the article identification is performed by the wireless tag information receiving device 11 from the memory information table 30 in the recording area of the wireless tags 10 in step S <b> 51. The number, the article name, and the proper storage temperature upper limit value, the proper storage temperature lower limit value, the proper storage humidity upper limit value, and the proper storage humidity lower limit value that are the proper storage environment information are read. Next, the process proceeds to step S52,
The information recorded in all the wireless tags 10 read in step S51 is sequentially stored in the memory 12. Next, proceeding to step S53, the proper storage environment information stored in the memory 12 is read, and the setting environment of the storage 1 (proper storage environment range).
Ask for. Here, the range of the temperature and the humidity that is optimal for storing all the articles 2 stored in the storage 1 is defined as the appropriate storage environment range. Next, proceeding to step S54, heating or cooling, humidification or dehumidification is performed by the temperature control device 15 and the humidity control device 16 so that the inside of the refrigerator has the temperature and humidity within the proper storage environment range obtained in step S53. Next, the process proceeds to step S55, where the wireless tag information transmitting device 17 causes the memory information table 30
In the area where the storage state of the storage 1 is recorded, information of “storage start” indicating that storage in the storage 1 has been started is recorded.

Next, proceeding to step S56, it is determined whether or not the temperature and humidity, which are the environmental information in the refrigerator measured by the environmental sensor 14 in the refrigerator, are included in the proper storage environment range obtained in step S53. to decide. Here, if the temperature and humidity in the storage measured by the environment measurement sensor 14 are included in the proper storage environment range, step S5
Repeat 6. On the other hand, the temperature or humidity in the refrigerator cannot be kept constant due to, for example, a failure of the temperature control device 15 or the humidity control device 16 or a power failure. If it is determined that it is not included in the storage environment range, step S
Proceed to 57. In step S57, a failure occurs in the area for recording the storage state of the memory information table 30 recorded in the recording area of the wireless tag 10 attached to the article 2 outside the proper storage environment range by the wireless tag information transmitting device 17. The information of “failure occurrence” indicating that the failure has occurred is recorded. At this time, the date and time when the failure occurred, the measured temperature and humidity in the refrigerator, and the like may be recorded in an area of the memory information table 30 where the failure information is recorded.

Next, the process proceeds to step S58, and the warning notifying device 20 warns that a failure has occurred in the storage 1. At this time, the warning notification device 20 displays the occurrence of a failure on the display device 21 and warns the user by sound using the speaker 22. As described above, a warning is given to the user when the temperature, humidity, and the like in the refrigerator cannot be kept constant. An occurrence of a change in the state of the article 2 due to a change in the environment at the time can be detected at an early stage.

Then, the process proceeds to a step S59, in which the proper preservation environment information on the article 2 stored in the storage is acquired from the memory 12. Next, the process proceeds to step S510, where the current environment in the refrigerator is compared with the proper storage environment information of one article 2 acquired in step S59, and whether the environment in the refrigerator is within the allowable range of the proper storage environment is determined. Judge. Here, if the environment in the warehouse is within the allowable range of the proper storage environment,
Since it can be determined that the data is properly stored even if a failure occurs, the process proceeds to step S513. If the environment in the refrigerator is not included in the allowable range of the proper storage environment, the process proceeds to step S511.

As described above, when the storage 1 cannot properly keep the temperature and humidity in the storage constant, the proper storage environment information of each article 2 stored in the storage and the storage Since the environment and the environment are compared, it is possible to know in detail the article 2 in an improper storage state.

In step S 511, the wireless tag information transmitting device 17 stores “incorrect storage” information indicating that a failure has occurred in the storage area of the memory information table 30, which is the storage area of the wireless tag 10. Record
Next, the process proceeds to step S512, in which the warning notification device 20 displays the item name on the display device 21 or generates a sound with the speaker 22, so that the one item 2 of the storage 1 is stored in an inappropriate environment. Notify the user.
Next, the process proceeds to step S513, and it is determined whether or not all the articles 2 stored in the storage have been checked.
Here, if the confirmation has not been performed for all the articles 2, step S <b> 5 is performed for the unconfirmed articles 2.
The operations from 9 to S512 are repeated, and after confirming all the articles 2, the operation is ended.

As described above, in the storage 1, when a failure occurs in the apparatus and the temperature and humidity in the storage cannot be kept constant, the failure occurrence information and the improper storage information are stored in the storage. The information is recorded in the recording area of the wireless tag 10 attached to the article 2. Therefore, even if the user of the storage 1 does not notice the warning of the storage 1 issued when a failure occurs, the information is read because the failure occurrence information and the improper storage information are recorded in the wireless tag 10. Thus, the storage environment of the article 2 can be known. For example, if the storage 1 of the present invention is a storage for storing food such as a refrigerator or a freezer, the safety of the food stored in the storage can be managed. Further, the warning notified to the user in step S512 is not performed for each of the articles 2 but is performed.
It may be performed after confirming the storage state of all the articles 2 in the refrigerator. Further, a warning by the warning notification device 20 of the article 2 that is improperly stored may be issued when the article 2 is moved from the inside of the storage 1 to the outside of the storage.

[0035]

According to the present invention, environmental information in a warehouse, such as temperature and humidity, is measured by a sensor, and this environmental information is recorded by a wireless transmitter on a wireless tag attached to an article stored in the warehouse. Recording is performed in a non-contact wireless manner in the area. Therefore, from the information recorded in the recording area of the wireless tag attached to the article, it is possible to know in what environment the article is stored.

Further, according to the present invention, when the temperature inside the refrigerator cannot be kept constant during storage of the article, fault occurrence information is recorded in the wireless tag. It is possible to know the occurrence.

Further, according to the present invention, the user is provided with a warning notifying device for notifying the user of a warning when the temperature inside the refrigerator cannot be kept constant during article storage. You can immediately know the abnormality.

Further, according to the present invention, the temperature in the refrigerator measured by the sensor is compared with a predetermined proper storage temperature range in the refrigerator so that the temperature in the refrigerator falls within the proper storage temperature range in the refrigerator. Is not included in the wireless tag, the failure occurrence information is recorded in the wireless tag, so that it is possible to know whether or not a failure such as a power failure or a device failure has occurred.

Further, according to the present invention, the temperature in the refrigerator measured by the sensor is compared with a predetermined proper storage temperature range of the articles, and the temperature in the refrigerator is included in the proper storage temperature range of the articles. If not, record the improper storage information in the wireless tag. Therefore, it is possible to know the storage state of each of the articles stored in the storage, and to know the storage state of the articles stored in the storage when, for example, a power failure or device failure occurs.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the appearance of a storage 1 according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a storage 1 of FIG.

FIG. 3 is a diagram showing a memory information table 30 in a recording area of the wireless tag 10;

FIG. 4 is a flowchart illustrating an operation in which the storage 1 records environmental information in a recording area of the wireless tag 10;

FIG. 5 is a flowchart showing an operation in which the storage 1 records failure occurrence information and improper storage information in a recording area of the wireless tag 10;

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 storage 2 article 10 wireless tag 11 wireless tag information receiving device 14 environment measuring sensor 17 wireless tag information transmitting device 20 warning notification device 21 display device 22 speaker

Claims (5)

[Claims] 1. A storage for storing an article to which a wireless tag having a rewritable recording area is attached, comprising: a sensor for measuring an environment in the storage; and environmental information in the storage measured by the sensor. And a wireless transmission device that wirelessly records in a recording area of a wireless tag attached to an article to be stored therein. 2. When the sensor detects that the storage temperature cannot be kept constant during article storage, the wireless transmission device records storage environment failure occurrence information in a recording area of a wireless tag. A storage according to claim 1, characterized in that: 3. The apparatus according to claim 1, further comprising a warning notification device that notifies a user of a warning when the sensor detects that the storage temperature cannot be kept constant during storage of the article. The storage according to 1 or 2. 4. When the temperature in the refrigerator is not included in the proper storage temperature range in the refrigerator, based on the temperature in the refrigerator measured by the sensor and a predetermined proper storage temperature range in the refrigerator, The storage according to any one of claims 1 to 3, wherein failure occurrence information is recorded on the wireless tag. 5. A receiving device for reading information written in a recording area of a wireless tag, comprising: a temperature in a refrigerator measured by the sensor; and a proper storage temperature range of an article read from the wireless tag by the receiving device. The storage according to any one of claims 1 to 4, wherein when the temperature in the refrigerator is not included in the proper storage temperature range of the article, the storage improper information is recorded in the wireless tag. Warehouse.