CN101126573B - Food management refrigerator using radio frequency identification (RFID) - Google Patents
Food management refrigerator using radio frequency identification (RFID) Download PDFInfo
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- CN101126573B CN101126573B CN2006100153445A CN200610015344A CN101126573B CN 101126573 B CN101126573 B CN 101126573B CN 2006100153445 A CN2006100153445 A CN 2006100153445A CN 200610015344 A CN200610015344 A CN 200610015344A CN 101126573 B CN101126573 B CN 101126573B
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Abstract
The invention discloses a food management refrigerator that utilizes radio frequency identification (RFID), comprising the following parts: an RFID readout device for reading the information of storage time from an RFID element containing the information of the storage time which can be adjusted by a user; a memory device for storing food management information; a control device for reading the information of the storage time from the RFID readout device and respectively storing the information of the storage time as the food management information in the memory device in order to manage the special storage container attached with the RFID element in the refrigerator. The user can directly set the storage time in the RFID information, thus the management to the food storage is easier.
Description
Technical field
The invention belongs to a kind of refrigerator, be specifically related to a kind of food management refrigerator that utilizes RF identification (RFID).
Background technology
In some technological in the past refrigerator,, keep the chamber and be provided with a plurality of freshness in order to keep the freshness that is stored at the food in the refrigerator.Like this, the user can selectively use a plurality of freshness to keep the chamber according to the needs of self.Detailed says, storage has various diverse food in above-mentioned refrigerator, and still, the user is difficult to remember one by one the concrete restoration position of the different food products of storage in the refrigerator.Therefore, the user will experience the step that opens and closes door of refrigerator in order to confirm the concrete restoration position of a certain food at every turn.But the method for confirming to be stored in the concrete restoration position of the food in the refrigerator like this will cause problems.Such as, when opening and closing door of refrigerator, the power consumption that makes refrigerator owing to leaking outside of the inner cold air of refrigerator increases.And, owing to the long food spoilage that makes of storage time that is stored at the food in the refrigerator, thereby caused waste of food or the like.
Therefore; Appearance for fear of the problems referred to above; The applicant application can externally confirm the refrigerator of inner foodstuff storing; And to be accommodated in korean be that No. 0377741 (denomination of invention: in the document foodstuff storing display control unit of refrigerator), its concrete structure is illustrated among Fig. 1.
As shown in Figure 1, comprise following several parts according to technological in the past refrigerator: the oscillation circuit 10 that produces certain frequency; To be set specific frequency signal through the frequency of oscillation frequency division of above-mentioned oscillation circuit 10 outputs, thus the frequency loop of rise time 11; After receiving the output signal of frequency loop 11, the moment counting device 12 of computing time; The moment of being counted with moment counting device 12 is a benchmark, the date counting device 13 of update date when reaching certain hour; Storage device 14 (RAM) user of the various information of foodstuff storing employed selection key portion 15 when the various information of foodstuff storings such as the kind of refrigerator input foodstuff storing, quantity, storage time in the store electricity refrigerator; Receive the control of central processing unit 19 (CPU), and will be constantly and the date with certain hour foodstuff storing date of update displayed/moment display part 16 at interval; The foodstuff storing storage time display part 17 that shows the food storage time; With certain hour at interval update displayed be stored in the foodstuff storing order display part 18 about the information of foodstuff storing of storage device 14; With the foodstuff storing information that is stored in storage device 14 is each parts of basis control, makes the central processing unit 19 of the information of demonstration foodstuff storing moment/date, the food storage temporal information of its order, present foodstuff storing.
As stated; In according to technological in the past refrigerator, at first, storage device 14 will be stored the information about foodstuff storing that the user directly imports through selection key portion 15; Then, demonstrate the information of the foodstuff storing moment/date, food storage temporal information, present foodstuff storing.
But, in according to technological in the past refrigerator,, just need the user that a plurality of food names are manually imported through press key input section for to the information of refrigerator input about foodstuff storing.Therefore, this operation lets the user feel very loaded down with trivial details.Moreover, for to the information of refrigerator input, just need make the selection key portion 15 of refrigerator have the input function that is similar to keyboard about foodstuff storing.Therefore, not only make the formation of above-mentioned selection key portion 15 complicated, also improved the manufacturing cost of refrigerator simultaneously.In addition, the user will be if during about the information of foodstuff storing, will very consuming time through keyboard-type input mode input.
Summary of the invention
The present invention proposes in order to solve aforesaid problem; Its purpose is to provide the food management refrigerator of a kind of RFID of utilization; The user does not need directly to import the title of foodstuff storing, but through storage shelf life information, just can manage foodstuff storing very easily.
The user can directly set shelf life in RFID, therefore the management for foodstuff storing is more prone to.
In addition; Together manage storage moment Start Date and/or the shelf life information of food; Thereby the information such as shelf life of foodstuff storing are provided to the user; Prior shelf life information indicating user with food, thus the user is more prone to the management of food, and the user can find corresponding foodstuff storing easily through food managing information.
To achieve these goals, the food management refrigerator according to the RFID of utilization of the present invention comprises following several sections: the RFID element of the shelf life information that the user can regulate reads the RFID reading device of shelf life information; The storage device of food storage management information; Read shelf life information and shelf life information is stored in the control device of storage device as food managing information respectively from the RFID reading device for the special-purpose tank that is attached with the RFID element in the refrigerator is managed.
At this moment, the RFID reading device reads identifying information respectively from the RFID element, and control device should be stored in storage device respectively as food managing information with identifying information corresponding to shelf life information.
In addition, above-mentioned refrigerator also includes the time-of-day count device of acquisition during day that calculates shelf life information.The acquisition that control device will obtain through the time-of-day count device is during day, when beginning day as the storage of foodstuff storing, and is contained in food managing information, together is stored in storage device then.
Refrigerator also includes the input unit of the instruction of the shelf life prompting service that makes the user import relevant foodstuff storing.Control device also should be contained in user's instruction food managing information and store.
Refrigerator also includes the display unit that food managing information is shown to the user.Above-mentioned control device is calculated the storage fate of foodstuff storing after reading food managing information, and shows through display unit.
Control device finishes certain hour before from shelf life after reading the food managing information that includes the prompting service of food storage time limit, certain warning message is shown in display unit.
The RFID reading device should be arranged at the front of refrigerator, the RFID element also include identifying information or with the corresponding recognition device of shelf life information.
In addition, use in refrigerator RFID of the present invention terminal is to be made up of following components: the antenna part that receives and carry radio wave; Possessing has a plurality of contact terminals, makes in each contact terminal with the corresponding differential detection device of mutually different value of feedback; Be connected with a contact terminal of differential detection device, transmit the switching device of corresponding value of feedback; To include the value of feedback the differential detection device that is connected with switching device through the radio wave that receives from antenna part, and the radio wave of certain identifying information is through the integrated component of antenna part conveying.The user can directly set shelf life in RFID information, therefore the management to foodstuff storing is more prone to.
Description of drawings
Fig. 1 is the structure chart of refrigerator of technology in the past;
Fig. 2 is the structure chart of the food management refrigerator of the RFID of utilization of the present invention;
Fig. 3 is the front view and the part enlarged drawing of the food management refrigerator of the RFID of utilization of the present invention;
Fig. 4 a, 4b are the oblique views that shows RFID terminal and tank;
Fig. 5 is the exploded perspective view that shows the RFID terminal;
Fig. 6 is an embodiment who shows food managing information.
Wherein:
21:RFID reading device 22: input unit
23: time-of-day count device 24: storage device
25: display unit 30: microprocessor
The specific embodiment
Below, with reference to accompanying drawing and embodiment the present invention is carried out detailed explanation:
Shown in Fig. 2～3, food management refrigerator 100 comprises following components: in the RFID terminal of the RFID special container of the foodstuff storing in refrigerator, can read the RFID reading device 21 of shelf life information at least; The user imports the input unit 22 of particular command; Calculate date and/or person time-of-day count device 23 constantly; Can be when food control be served the storage device 24 of picture displayed (like user session frame etc.) and food managing information etc.; The display unit 25 of demonstration food managing information etc.; Control above-mentioned each inscape, thereby will obtain shelf life information, be shown to user's microprocessor 30 from the RFID terminal that is attached to the RFID special container of accommodating the food that will be stored in the refrigerator.The master microprocessor (not shown) that additional setting can be carried out freezing and refrigeration control work on the refrigerator 100.Thereby be to interconnect through order wire to carry out data communication between master microprocessor and the microprocessor 30, master microprocessor and microprocessor 30 are formed control device.Like this, food management refrigerator 100 can carry out freezing and refrigeration control operation through microprocessor 30.And food management refrigerator 100 includes power supplier (not shown), therefore can required power supply be provided to each component parts.
Specifically; For read store in the RFID terminal with customer-furnished storage information of accommodating the RFID special container of the food of waiting to be stored in the refrigerator, above-mentioned RFID reading device 21 comprises specific frequency generating apparatus, conveyer and receiving system (not shown).Above-mentioned RFID reading device 21 also can obtain the identifying information at RFID terminal in the lump when obtaining shelf life information.In addition, the user with interior when making the RFID terminal near the RFID reading device, the RFID reading device can read the RFID terminal information at certain distance.As shown in Figure 3, RFID reading device 21 should be installed in the height (position that for example, probably is equivalent to people's chest level) that the user easily lifts in order to read the RFID terminal.
Above-mentioned RFID terminal is provided with the RFID integrated component in the container of special use.The RFID integrated component includes shelf life information (for example, 4 days, 6,8 etc.) and identifying information (in order to carry out identified information with other RFID terminal).Identifying information is made up of a series of numeral institute, for example can let " 1 " of reading, " 2 " etc. of user easier digital.
Below, with reference to Fig. 4 the RFID terminal is described:
Shelf life is exactly that foodstuff storing can intactly be stored at the valid expiration date in the refrigerator in fact, and in other words, shelf life is the valid expiration date that actual foodstuff storing packing goes up prompting, or any time of setting of user.
Above-mentioned input unit 22 functions as follows: the user can pass through input unit 22 input commands (for example, the reading of RFID terminal, the appending and deleting of food managing information).Input unit 22 be associated through 25 picture displayed of display unit etc., and be that button by suitable number constitutes.Detailed says, owing to there is no need to import the information such as title of foodstuff storing, so number of buttons is as shown in Figure 3, should be about 6.
The effect of time-of-day count device 23 is following: can calculate the date and constantly when obtaining shelf life information and/or person's identifying information through RFID reading device 21.Microprocessor 30 sends when request, the date and the moment when time-of-day count device 23 will receive above-mentioned request, and offer microprocessor 30.
Then, storage device 24 is stored following several contents at least: in order to control the food control service that food management refrigerator provides and be shown to user's picture; Food managing information by microprocessor 30 generations.Here, the meaning interpretation of above-mentioned picture is following: when the user carries out food control when operation, for the dialog box of can handled easily and using.And, include the shelf life information at the RFID terminal that is arranged at the RFID special container in the food managing information at least.In addition, above-mentioned food managing information is when also additional packets contains identifying information and storage beginning day or store fate etc.Here, the storage fate is RFID special container (or terminal) and the actual real time that is stored in the refrigerator of tank in fact.
In addition, display unit 25 is used to show above-mentioned picture (user session frame) and food managing information.As shown in Figure 3, display unit 25 is formed at the front of refrigerator 100, and is formed at the height approaching with RFID reading device 21.Near display unit 25, form input unit 22, thereby fully taken into account the convenience that the user uses.
At first, after working out food managing information, the picture about the food control service that microprocessor 30 will be stored in the storage device 24 shows through display unit 25 for the food of managing storage.If the user selects the food control service, microprocessor 30 at first, will make RFID reading device 21 from the RFID terminal that is arranged at the RFID special container, obtain storage information and/or person's identifying information after will receiving user's order through input unit 22.The user is positioned in the certain distance that the RFID reading device can read the RFID terminal that is arranged at the RFID special container.In addition, microprocessor 30 is stored in the shelf life information and/or the identifying information that obtain in the storage device 24 with food managing information.At this moment, microprocessor 30 will need canned data to store in the storage device 24 after can obtaining whether need storing the instruction of the shelf life information that reads and/or identifying information there from the user.
Through said process, refrigerator 100 is stored in storage device 24 with above-mentioned information after obtaining the food managing information of waiting to be stored in the refrigerator, the administration-management of going forward side by side reason.Afterwards; When the user wants to confirm to be stored at the kind (RFID terminal) of the food in the food management refrigerator 100 at present; As long as the user selects to be used to confirm the service button of present foodstuff storing through input unit 22; Microprocessor 30 will read the food managing information that is stored in storage device 24, and information is presented in the display unit 25.
At this moment, microprocessor 30 will read food managing information, and obtain (date and/or person are constantly) when present day from time-of-day count device 23, thereby calculate the storage fate of foodstuff storing, then the fate of calculating will be presented on the display unit 25.Here, above-mentioned storage fate is to calculate according to " at present day time-storage beginning during day ".
For let user easier the affirmation foodstuff storing for information about, microprocessor 30 be that benchmark shows food storage information in the time of will be with its storage beginning day, be that benchmark shows food managing information during perhaps with remaining day valid expiration date.Particularly, microprocessor 30 is to be that benchmark shows when the foodstuff storing that does not comprise valid expiration date in the food managing information is begun day with storage.
In addition, microprocessor 30 is to utilize the shelf life of storage and the storage fate of calculating, according to user's selection or the prompting service for residue valid expiration date of foodstuff storing is provided automatically.Detailed says; In above-mentioned prompting service; After microprocessor 30 is calculated present residue shelf life, if certain time limit with interior situation under, warning information [character property symbol display, image show, according to the alarm tone of loudspeaker (not shown)] is shown to the user through display unit 25.For example, during only remaining 3 days of valid expiration date, microprocessor 30 just can begin to send a warning.And along with the residue more and more minimizing of valid expiration date, the concrete pattern of the warning information that shows is also different.That is, more can cause user's attention.Here, above-mentioned warning information will be stored in the storage device 24.Microprocessor 30 can also demonstrate the warning information above the foodstuff storing of shelf life through display unit 25.
In sum, the information in the RFID terminal that the user can adhere to through the foodstuff storing that is stored in the food management refrigerator that utilizes RFID can be enjoyed the service for foodstuff storing.When the user need remove the continuation storage state of foodstuff storing, be necessary the information of the corresponding foodstuff storing of deletion from food managing information.Therefore; Microprocessor 30 will be through the food managing information of display unit 25 demonstrations for the foodstuff storing in the present storage; The foodstuff storing that according to user's selection user activated need be deleted then receives through above-mentioned input unit 22, and will be relevant for information (whether storage period information, identifying information, storage waits if beginning day, storage fate and warning information services selection) deletion from storage device 24 of above-mentioned foodstuff storing.
Above-mentioned microprocessor 30 will read according to user's operation through above-mentioned RFID reading device 21 and remove the RFID terminal information (storage period information and/or person's identifying information) of adhering in the RFID special container of its foodstuff storing of storing state, and can let the user pass through above-mentioned input unit 22 input storage releasing orders., remove order here, just can delete the food managing information that includes corresponding to above-mentioned RFID terminal information when above-mentioned microprocessor 30 receives storage.After deletion, the food managing information at RFID terminal of RFID special container that microprocessor 30 will be arranged at the foodstuff storing of current residual is shown in display unit 25.
Shown in Fig. 4 a, in order to accommodate foodstuff storings such as milk box, RFID special container 50 is provided with hole 50a, and outward appearance is attached with RFID terminal 40.Above-mentioned RFID terminal 40 is structures removably, therefore also can be used for other special container.
Particularly, in order to accommodate foodstuff storing from upside, top open formation of RFID special container 50 for the peripheral part around foodstuff storing, is to be made up of plural at least tabular fixed part, and fixed part generally is to be processed by materials such as plastics.
Certainly, in RFID special container 50, RFID terminal 40 is attached to any in the fixed part, and is exposed, so the user can be easily approaches the RFID terminal 40 that is attached to special container 50 near the RFID reading device 21.
In addition, be exposed to the outside in order to make the switching device 45 that is connected with the RFID terminal, and can move, possess seam portion 51 is arranged.The bottom of above-mentioned seam portion 51 shows the fate 51a that is used to point out the shelf life that the user need set.In addition, the outside of RFID special container 50 also includes the recognition device 52 that the user can discern.Above-mentioned recognition device 52 can as shown be numeral or color.
Shown in Fig. 4 b, the RFID special container is to be made up of cap 53, the resettlement section 54 of accommodating foodstuff storing.Cap 53 is used to open and close the top of resettlement section 54.Look like on the above-mentioned cap 53 shown in Fig. 4 a, also be formed with seam portion 55 and fate 55a, the outside of resettlement section 54 is formed with recognition device 56.
Here, recognition device 56 is associated with the identifying information that is stored in RFID integrated circuit 42, is used to distinguish other RFID terminal or RFID special container.In addition; The storage device 24 of refrigerator 100 also can be stored the Data Identification sign indicating number that reads recognition device through such identifying information; Therefore microprocessor can be informed the recognition device of user corresponding to identifying information through display unit 25, and RFID terminal 40 is formed at the outside of cap 53 or resettlement section 54.
As shown in Figure 5, the RFID terminal is to be made up of following components: the antenna part 41 that from RFID reading device 21, receives or carry radio wave; To include the return value the radio wave that utilization receives from antenna part 41 and the differential detection device 44 that switching device 45 is connected, and include the integrated component that the radio wave of certain identifying information is carried through antenna part 41; Possessing has a plurality of contact terminal 44a～44c that can contact with switching device 45, and make can be with the corresponding differential detection device 44 of different values of feedback among each contact terminal 44a～44c; The user can select one switching device 45 in a plurality of shelf lives.In addition, the RFID terminal includes the 43a of spreader portion up and down, the 43b that smears above-mentioned antenna part 41 of protection and RFID integrated component 42 at least.Above-mentioned spreader portion 43a, 43b up and down can also smear protection differential detection device 44.But shown in Fig. 4 a and 4b, switching device 45 need be exposed to the outside and supply the user to regulate, and therefore should be formed at spreader portion 43a, 43b outside up and down.
Here; Illustrate the situation of differential detection device 44 and each contact terminal 44a～44c; At first possesses the resistance (not shown) that mutually different resistance is arranged; In RFID integrated component 42, mutually different resistance being detected is value of feedback, together carries through radio wave with the identifying information of having stored with above-mentioned value of feedback itself or corresponding to the fate of value of feedback then.
Being stored in the middle of the food in the refrigerator, mainly is the influence that receives storage time as the freshness and the taste of the food of dairy produce and so on.But user-selected foodstuff storing nearly all goes for above-mentioned food control service.
As shown in Figure 6, shelf life information, identifying information or recognition device (also can omit), the storage that can include the RFID terminal that is attached to foodstuff storing through the food managing information of display unit 25 demonstrations begin day, storage fate.Can also include the demonstration that the foodstuff storing of warning information service is provided for needs here.If foodstuff storing has surpassed shelf life, like kind " 1 ", when microprocessor 30 can also together show its day that surpasses.
The effect of invention:
As stated, the present invention has following effect: the user does not need directly to import the title of foodstuff storing, just can manage foodstuff storing easily.The user can directly set shelf life in RFID information, therefore the management to foodstuff storing is more prone to.
In addition, when the present invention begins day the storage of food and/or shelf life information together manage, the information such as shelf life of relevant foodstuff storing are provided to the user then.The present invention can inform the user in advance with the shelf life information of food, so the user can be more prone to the management of food, can also make the user be easy to find relevant foodstuff storing through food managing information.
Claims (9)
1. a food management refrigerator that utilizes RF identification (RFID) comprises time-of-day count device and the display unit of calculating shelf life information, it is characterized in that: the RFID terminal that also comprises the shelf life information that the user can regulate; Read the RFID reading device of shelf life information; The storage device of food storage management information; Make the user import the input unit of the shelf life prompting service order of relevant foodstuff storing; Read shelf life information and shelf life information is stored in the control device of storage device respectively as food managing information from the RFID reading device for the special-purpose tank that is attached with the RFID terminal in the refrigerator is managed, said RFID terminal comprises following components: the antenna part that receives and carry radio wave; Possesses a plurality of contact terminals arranged, make the differential detection device of replying with mutually different return value in each contact terminal; Be connected, transmit the switching device of corresponding return value with a contact terminal of differential detection device; To include the integrated component that the radio wave of value of feedback and certain identifying information the differential detection device that is connected with switching device through the radio wave that receives from antenna part is carried through antenna part.
2. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 1; It is characterized in that: control device is made up of the microprocessor with central processing unit function; This control device reads the RFID reading device from the RFID terminal identifying information corresponds respectively to shelf life information, and is stored in above-mentioned storage device respectively as food managing information.
3. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 1 is characterized in that: be included in food managing information, together be stored in the control device of storage device as storage time started of foodstuff storing when described control device is the day that obtains through the time-of-day count device.
4. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 3, it is characterized in that: described control device sends the user through input unit instruction is included in the control device of storing in the food managing information.
5. according to any one described a kind of food management refrigerator that utilizes RF identification (RFID) in the claim 1 to 4, it is characterized in that: described display unit is the display unit that food managing information is shown to the user with the alarm tone of character property symbol display, image demonstration or loudspeaker.
6. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 5; It is characterized in that: described control device calculates the storage fate of foodstuff storing and the control device that shows through display unit after reading food managing information.
7. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 5; It is characterized in that: described control device is after reading the food managing information that includes the prompting service of food storage time limit; Finish certain hour before from shelf life, certain warning message is shown in the control device of display unit.
8. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 1, it is characterized in that: the RFID reading device is arranged on the front of refrigerator.
9. a kind of food management refrigerator that utilizes RF identification (RFID) according to claim 2 is characterized in that: the RFID terminal includes identifying information and the corresponding recognition device of shelf life information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100153445A CN101126573B (en) | 2006-08-17 | 2006-08-17 | Food management refrigerator using radio frequency identification (RFID) |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100153445A CN101126573B (en) | 2006-08-17 | 2006-08-17 | Food management refrigerator using radio frequency identification (RFID) |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101126573A CN101126573A (en) | 2008-02-20 |
| CN101126573B true CN101126573B (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2006100153445A Expired - Fee Related CN101126573B (en) | 2006-08-17 | 2006-08-17 | Food management refrigerator using radio frequency identification (RFID) |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102759897A (en) * | 2011-04-28 | 2012-10-31 | 朱利和 | Food fresh keeping reminding system |
| CN105509404A (en) * | 2014-08-28 | 2016-04-20 | 许光荣 | Storage time displayer for refrigerator |
| CN105868808A (en) * | 2016-03-30 | 2016-08-17 | 苏州玄禾物联网科技有限公司 | Refrigerator shelf life management system based on RFID |
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