CN102679686A - Network refrigerator and system of network refrigerator - Google Patents
Network refrigerator and system of network refrigerator Download PDFInfo
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- CN102679686A CN102679686A CN201210164395XA CN201210164395A CN102679686A CN 102679686 A CN102679686 A CN 102679686A CN 201210164395X A CN201210164395X A CN 201210164395XA CN 201210164395 A CN201210164395 A CN 201210164395A CN 102679686 A CN102679686 A CN 102679686A
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Abstract
The invention discloses a network refrigerator and a system of the network refrigerator, which can realize remote understanding for goods storage situation in the refrigerator at different places and have a warning function. The network refrigerator comprises a refrigerator body. A scanning/sensing unit, a processing unit, a wireless communication unit and a storage unit are arranged on the refrigerator body. The refrigerator system is connected with a cloud memory pool and a mobile terminal through gateway equipment. The scanning/sensing unit in the refrigerator body scans/senses identification codes of stored goods and sends the read identification code information to the processing unit; the processing unit adopts a wireless communication module to be connected with the cloud memory pool through the gateway equipment so as to extract comprehensive data information of the goods corresponding to the identification codes and send the extracted data information to an authorized mobile terminal through the wireless communication unit, so that a user can understand the comprehensive information of scanned/sensed goods through received data information.
Description
Technical field
What the present invention relates to a kind of household electrical appliance and Internet of Things combines particularly a kind of refrigerator and system thereof based on wireless network.
Background technology
Along with expanding economy, household electrical appliances miscellaneous have got into common people family, because each electrical equipment all is independently to move; Only in work, just can know the state of each household electrical appliances, be unfavorable for management, also be unfavorable for the use and the operation conditions of each household electrical appliances of this morning discovery; Especially deposit the refrigerator of a large amount of diet articles for use; If can know the shelf-life and the safety position of food in the refrigerator at any time, can rationally eat the food in the refrigerator not to the utmost, and can avoid because of expired waste to food.
Existing network refrigerator can be realized remote reviewing through network, also has through the central processing unit Long-distance Control, still do not consider the actual conditions of network, and the refrigerator most basic function is perfect.Like Chinese patent publication number 2478043; Patent name is the utility model patent of " a kind of intelligent network refrigerator "; This patent is through camera direct viewing refrigerator inside, and not only cost is bigger, and observing effect can not mate with present refrigerator use present situation and network environment.The effect of refrigerator is for fresh-keeping, and general bar code is read in information processing and can't be understood effective period of food quality, and storage life etc. still will be got back to execute-in-place at last, and prompt facility more also just is far from being.Concluding its shortcoming is: 1, can only check the article in the refrigerator, and can not realize the comprehensive situation of place remote understanding refrigerator inside article storage; 2, do not possess prompt facility.
Summary of the invention
The object of the present invention is to provide a kind of network refrigerator and system thereof, can not realize that to solve network refrigerator in the prior art place remote understands the comprehensive situation of refrigerator inside article storage, do not possess the problem of prompting function.
Network refrigerator of the present invention, it comprises refrigerator body, in refrigerator body, is provided with:
Scanning/sensing unit is used for scanning/respond to and leaves the article that refrigerator body has identification code in;
Processing unit, it is connected with above-mentioned scanning/sensing unit data, is used to analyze, handle the data message that receives;
Wireless communication unit is connected with processing unit, reception/transmission wireless data signal.
As improvement of the present invention, on refrigerator body, also be provided with memory cell, memory cell is connected with above-mentioned processing unit, deposits the data message of article in order to storage.
As improvement of the present invention; On refrigerator body, also be provided with temperature detecting unit, this temperature detecting unit is connected with processing unit, realizes the detection to internal temperature of refrigerator; Simultaneously the data feedback is issued processing unit, and determine the power that refrigeration needs by processing unit.
As improvement of the present invention, said identification code is bar code, two-dimension code, string number, laser sign indicating number or sensing code.
The invention also discloses a kind of network refrigerator system, it comprises refrigerator body, and:
Scanning/sensing unit is arranged on refrigerator body inside, is used for scanning/respond to leaving the article that refrigerator body has identification code in;
Processing unit is arranged on refrigerator body inside, is connected with above-mentioned scanning/sensing unit data, is used to analyze, handle the data message that receives;
Wireless communication unit is arranged on refrigerator body inside, is connected reception/transmission wireless data signal with processing unit;
The high in the clouds thesaurus is stored with the various comprehensive data messages that have the identification code article;
Carry out the transmission/reception of data message between the portable terminal, itself and processing unit;
Gateway device carries out data with wireless communication unit with portable terminal and high in the clouds thesaurus through the wire/wireless mode and is connected.
As improvement of the present invention; This system also comprises the temperature detecting unit that is arranged in the refrigerator body, and this temperature detecting unit is connected with processing unit, realizes the detection to internal temperature of refrigerator; Simultaneously the data feedback is issued processing unit, and determine the power that refrigeration needs by processing unit.
Further, this system also comprises the health detecting unit that is arranged in the refrigerator body, and the sanitary condition that it is connected with processing unit and deposits article in the refrigerator in order to detect is as detecting bacterium, fungi, the parasite equal size on the article.
Further, said scanning/sensing unit is a scanning/induction installation, and this device can scan/respond to the article that have identification code of refrigerator inside position, and the identification code that will scan/sense sends to processing unit.Said identification code is the code that bar code, two-dimension code, string number, laser sign indicating number or sensing code etc. have the sign effect.
Further, said wireless communication unit is a zigbee/ bluetooth communication, and it transmits wireless data signal through being connected with said portable terminal and high in the clouds thesaurus with a gateway device, and described gateway device can be connected to the internet.
Further, the comprehensive data message of the article of high in the clouds repository stores comprises the system management and the centre data of every kind of single article, house management, safety in production and processing, supplies management, sales management and quarantine monitoring record.
Further, portable terminal is specially mobile phone, panel computer or desktop PC.In addition, can be provided with the authoring program of refrigerator of the present invention in it, on the procedure operation interface, can carry out refrigerator body in the control of processing unit, and then realize the temperature management and control of each position in the refrigerator.
Network refrigerator of the present invention system; The identification code of article is deposited in scanning/sensing unit scanning/induction in the refrigerator body; The identification code information that reads is sent to processing unit; Processing unit is connected to the high in the clouds thesaurus through wireless communication module by gateway device; Therefrom extract comprehensive data message of the article of corresponding above-mentioned identification code, and the data message that extracts is sent to the portable terminal of mandate through wireless communication unit, the user can recognize the comprehensive information of scanning/induction article through the data message that receives; Processing unit also can carry out the shelf-life to the article of depositing in the refrigerator that have identification code and analyze; Processing unit is stored to memory cell (approach: 1, can directly scan/respond to the label of depositing on the article through scanning/induction installation, will scan/respond to the shelf-life information that obtains by processing unit control afterwards and store with the date of manufacture and the shelf-life of the article of depositing in the refrigerator body; 2, the identification code post-processing unit on the scanning/induction installation scanning/induction article is connected to the high in the clouds thesaurus and extracts in the thesaurus date of manufacture and the shelf-life to article that should identification code); When network refrigerator can't be connected to the high in the clouds thesaurus; Processing unit carries out real-time analysis to the data message in the memory cell; When quality guarantee period of article near the time, then processing unit control wireless communication unit send a notification message to the portable terminal of authorizing to inform the user.
In addition; The user can control the processing unit in the refrigerator body through the authoring program that is provided with in the portable terminal; Detect the real time temperature of each position in the refrigerator body through temperature detecting unit; And being sent to portable terminal through wireless communication unit by processing unit control, portable terminal can control processing unit to be regulated the refrigeration work consumption of refrigerator body, reaches the temperature that the user sets.In addition; Can also detect in real time the article quality of depositing in the refrigerator body through the health detecting unit; As whether the content that detects bacterium that article have, fungi etc. exceed standard, if health occurring exceeds standard, then processing unit control is given notice message to the portable terminal of authorizing to inform the user.
Beneficial effect of the present invention: the present invention can let the user recognize the comprehensive information of depositing article in the refrigerator at any time, as: otherwise information such as the place of production, growth, transportation, sale; If have the shelf-life near the article message of can giving notice automatically give the user, avoid the phenomenon of the expired waste of article; The user can monitor and regulate the temperature of a certain position in the refrigerator in the family whenever and wherever possible, realizes specifying the temperature control of article; In addition, can give notice message automatically to the user, avoid the user to drink the back food poisoning or uncomfortable phenomenon take place if there is the sanitary condition of article to exceed standard.
Description of drawings
Fig. 1 illustrates the structured flowchart into network refrigerator of the present invention.
Fig. 2 illustrates the structured flowchart of network refrigerator of the present invention system.
The specific embodiment
With reference to Fig. 1, network refrigerator of the present invention, it comprises refrigerator body 10, described refrigerator body 10 comprises: scanning/sensing unit 101, it is used for scanning/respond to and leaves the article that refrigerator body 10 has identification code in; Wireless communication unit 103 is connected reception/transmission wireless data signal with following processing unit 102; Processing unit 102, it is connected with above-mentioned scanning/sensing unit 101 data, is used to analyze, handle the data message that receives; Memory cell 104 is connected with above-mentioned processing unit 102, deposits the data message of article in order to storage.
Network refrigerator of the present invention system also comprises temperature detecting unit 105, and it realizes the detection to internal temperature of refrigerator, simultaneously feedback is issued processing unit 102, the power of processing unit 102 decision refrigeration needs.By this temperature detecting unit 105, the user can understand the temperature conditions of each position in the refrigerator at any time through portable terminal 40, and is convenient to depositing the temperature management and control of article in the refrigerator.
Network refrigerator of the present invention system also comprises health detecting unit 106; It is connected with above-mentioned processing unit 102; In order to detect the sanitary condition of depositing article in the refrigerator, as detecting bacterium, fungi, the parasite equal size on the article, if the sanitary condition on the article is not up to standard; Processing unit 102 message of can control wireless communication units 103 giving notice is to remind the user.
Above-mentioned scanning/sensing unit 101 is scanning/induction installation; It is located in the refrigerator body 10; Can scan/respond to the article that have identification code of refrigerator position; And the identification code that will scan/sense sends to processing unit 102, and identification code of the present invention is the code that bar code, two-dimension code, string number, laser sign indicating number, sensing code etc. have the sign effect.
Above-mentioned wireless communication unit 103 is a zigbee/ bluetooth communication, and it transmits wireless data signal through being connected with said portable terminal 40 and high in the clouds thesaurus 30 with a gateway device 20, and described gateway device 20 can be connected to the internet.In addition, this wireless communication unit 103 also can be a WIFI communication module, connects portable terminal and high in the clouds thesaurus through gateway device 20.
With reference to Fig. 2; Network refrigerator of the present invention system; It comprises refrigerator body 10, portable terminal 40, gateway device 20 and high in the clouds thesaurus 30, and described refrigerator body 10 comprises: scanning/sensing unit 101, and it is used for scanning/respond to and leaves the article that refrigerator body 10 has identification code in; Wireless communication unit 103 is connected reception/transmission wireless data signal with following processing unit 102; Processing unit 102, it is connected with above-mentioned scanning/sensing unit 101 data, is used to analyze, handle the data message that receives; High in the clouds thesaurus 30 is stored with the various comprehensive data messages that have the identification code article; Above-mentioned refrigerator body 10 is connected with portable terminal 40 and high in the clouds thesaurus 30 data through gateway device 20, carries out the transmission/reception of data message between the portable terminal 40, itself and processing unit 102.
Further, network refrigerator of the present invention system also comprises temperature detecting unit 105, and it realizes the detection to internal temperature of refrigerator, simultaneously feedback is issued processing unit 102, the power of processing unit 102 decision refrigeration needs.By this temperature detecting unit 105, the user can understand the temperature conditions of each position in the refrigerator at any time through portable terminal 40, and is convenient to depositing the temperature management and control of article in the refrigerator.
Further; Network refrigerator of the present invention system also comprises health detecting unit 106, and it is connected with above-mentioned processing unit 102, in order to detect the sanitary condition of depositing article in the refrigerator; As detect bacterium, fungi, the parasite equal size on the article; If the sanitary condition on the article is not up to standard, processing unit 102 message of can control wireless communication units 103 giving notice is to remind the user.
Further; Above-mentioned scanning/sensing unit 101 is scanning/induction installation; It is located in the refrigerator body 10; Can scan/respond to the article that have identification code of refrigerator position, and the identification code that will scan/sense sends to processing unit 102, identification code of the present invention is the code that bar code, two-dimension code, string number, laser sign indicating number, sensing code etc. have the sign effect.
Further; Above-mentioned wireless communication unit 103 is a zigbee/ bluetooth communication; It transmits wireless data signal through being connected with the portable terminal 40 and the high in the clouds thesaurus 30 of said mandate with a gateway device 20, and described gateway device 20 can be connected to the internet.In addition, this wireless communication unit 103 also can be a WIFI communication module, connects the portable terminal and the high in the clouds thesaurus of authorizing through gateway device 20.
Further; Above-mentioned high in the clouds thesaurus 30; Be stored with comprehensive data message that each has the identification code article, described comprehensive data message refers to that system management and centre data, a house management, the safety in production of every kind of single article monitor with processing, supplies management, sales management, quarantine.
Further, above-mentioned portable terminal 40 is specially electronics internet access products such as mobile phone, panel computer, PC.In addition, can be provided with the authoring program of refrigerator of the present invention in it, on the procedure operation interface, can carry out control, and then realize the temperature management and control of each position in the refrigerator processing unit 102 in the refrigerator body 10.
Network refrigerator of the present invention system; The identification code of article is deposited in scanning/sensing unit 101 scanning/inductions in the refrigerator body 10; The identification code information that reads is sent to processing unit 102; Processing unit 102 is connected to high in the clouds thesaurus 30 through wireless communication module 103 by gateway device 20; Therefrom extract comprehensive data message of the article of corresponding above-mentioned identification code; And the data message that extracts sent to the portable terminal 40 of mandate through wireless communication unit 103, and the user can recognize the comprehensive information of scanning/induction article through the data message that receives, for example chicken comprises comprehensive informations such as kind and the brand of its growth environment, feed, safe quarantine situation, production and processing situation, traffic condition, storage environment, sales management; Processing unit 102 also can carry out the shelf-life to the article of depositing in the refrigerator that have identification code and analyze; Processing unit 102 is stored to memory cell 104 (approach: 1, can directly scan/respond to the label of depositing on the article through scanning/induction installation, will scan/respond to the shelf-life information that obtains by processing unit 102 controls afterwards and store with the date of manufacture and the shelf-life of the article of depositing in the refrigerator body; 2, the identification code post-processing unit 102 on the scanning/induction installation scanning/induction article is connected to high in the clouds thesaurus 30 and extracts in the thesaurus date of manufacture and the shelf-life to article that should identification code); When network refrigerator can't be connected to the high in the clouds thesaurus; Data message in 102 pairs of memory cell 104 of processing unit carries out real-time analysis; When quality guarantee period of article near the time, then processing unit 102 control wireless communication units 103 send a notification message to the portable terminal 40 of authorizing to inform the user.
In addition; The user can control the processing unit 102 in the refrigerator body 10 through the authoring program that is provided with in the portable terminal; Detect the real time temperature of each position in the refrigerator body 10 through temperature detecting unit 105, and be sent to portable terminal by processing unit 102 controls through wireless communication unit 103, portable terminal can control the refrigeration work consumption of 102 pairs of refrigerator body 10 of processing unit to be regulated; Reach the temperature that the user sets; As: the user can control the article environment temperature of appointment through portable terminal, realizes thawing or the operation of quick-frozen, makes things convenient for the user that Item Management is deposited in appointment; And; The article quality of depositing in 106 pairs of refrigerator body 10 of above-mentioned health detecting unit detects in real time; As whether the content that detects bacterium that article have, fungi etc. exceed standard, if health occurring exceeds standard, then processing unit 102 controls are given notice message to the portable terminal of authorizing to inform the user.
Claims (10)
1. network refrigerator, it comprises refrigerator body, it is characterized in that in refrigerator body, being provided with:
Scanning/sensing unit is used for scanning/respond to and leaves the article that refrigerator body has identification code in;
Processing unit, it is connected with above-mentioned scanning/sensing unit data, is used to analyze, handle the data message that receives;
Wireless communication unit is connected with processing unit, reception/transmission wireless data signal.
2. network refrigerator according to claim 1 is characterized in that, on refrigerator body, also is provided with memory cell, and memory cell is connected with above-mentioned processing unit, deposits the data message of article in order to storage.
3. network refrigerator according to claim 1 and 2; It is characterized in that; In refrigerator body, also be provided with temperature detecting unit, this temperature detecting unit is connected with processing unit, realizes the detection to internal temperature of refrigerator; Simultaneously the data feedback is issued processing unit, and determine the power that refrigeration needs by processing unit.
4. network refrigerator according to claim 1 and 2 is characterized in that, said identification code is bar code, two-dimension code, string number, laser sign indicating number or sensing code.
5. a network refrigerator system comprises refrigerator body, it is characterized in that also comprising:
Scanning/sensing unit, it is inner to be arranged on above-mentioned refrigerator body, is used for scanning/respond to leaving the article that refrigerator body has identification code in;
Processing unit, it is inner to be arranged on above-mentioned refrigerator body, and it is connected with above-mentioned scanning/sensing unit data, is used to analyze, handle the data message that receives;
Wireless communication unit, it is inner to be arranged on above-mentioned refrigerator body, is connected reception/transmission wireless data signal with processing unit;
The high in the clouds thesaurus is stored with the various comprehensive data messages that have the identification code article;
Carry out the transmission/reception of data message between the portable terminal, itself and processing unit;
Gateway device carries out data with wireless communication unit with portable terminal and high in the clouds thesaurus through the wire/wireless mode and is connected.
6. network refrigerator according to claim 5 system; It is characterized in that; This system also comprises the temperature detecting unit that is arranged in the refrigerator body, and this temperature detecting unit is connected with processing unit, realizes the detection to internal temperature of refrigerator; Simultaneously the data feedback is issued processing unit, and determine the power that refrigeration needs by processing unit.
7. according to claim 5 or 6 described network refrigerator systems, it is characterized in that this system also comprises the health detecting unit that is arranged in the refrigerator body, it is connected with processing unit in order to deposit the sanitary condition of article in the detection refrigerator.
8. according to claim 5 or 6 described network refrigerator systems, it is characterized in that said identification code is bar code, two-dimension code, string number, laser sign indicating number or sensing code.
9. according to claim 5 or 6 described network refrigerator systems, it is characterized in that said wireless communication unit is a zigbee/ bluetooth communication.
10. according to claim 5 or 6 described network refrigerator systems; It is characterized in that the comprehensive data message of article of said high in the clouds repository stores comprises system management and centre data, house management, safety in production and processing, supplies management, sales management and the quarantine monitoring record of every kind of single article.
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| CN201210164395XA CN102679686A (en) | 2012-05-25 | 2012-05-25 | Network refrigerator and system of network refrigerator |
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| CN201210164395XA CN102679686A (en) | 2012-05-25 | 2012-05-25 | Network refrigerator and system of network refrigerator |
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Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102878738A (en) * | 2012-10-25 | 2013-01-16 | 四川长虹电器股份有限公司 | Intelligent control method of refrigeration equipment |
| CN103322767A (en) * | 2013-07-09 | 2013-09-25 | 合肥美的电冰箱有限公司 | Fresh-keeping control method, system and refrigerator for food in refrigerator based on mobile terminal |
| CN103542687A (en) * | 2013-09-29 | 2014-01-29 | 澳柯玛股份有限公司 | Intelligent control system for refrigerator and operating method thereof |
| CN103578257A (en) * | 2013-11-26 | 2014-02-12 | 湖北楚骥科技有限公司 | Intelligent refrigerator control system based on big data technology |
| CN104199358A (en) * | 2014-08-30 | 2014-12-10 | 石永丽 | Intelligent food-in-refrigerator inquiry system based on Internet of Things |
| CN104504867A (en) * | 2014-12-30 | 2015-04-08 | 北京慧眼智行科技有限公司 | QR (quick response) code based commodity shelf life reminding system and method |
| CN104697287A (en) * | 2015-03-13 | 2015-06-10 | 陈蔼珊 | Cloud system refrigerator management method and system |
| CN104732263A (en) * | 2015-03-09 | 2015-06-24 | 杭州跨界科技有限公司 | Refrigerator food material management system and method |
| CN105184204A (en) * | 2015-07-10 | 2015-12-23 | 百度在线网络技术（北京）有限公司 | Article identification device, smart refrigerator and user terminal |
| CN105450646A (en) * | 2015-12-02 | 2016-03-30 | 河南新飞电器有限公司 | Local area network connection realization method for network refrigerator and user information security authentication method |
| CN105674679A (en) * | 2015-10-28 | 2016-06-15 | 合肥西杰电子科技有限公司 | Intelligent food fresh-keeping reminder |
| CN105760909A (en) * | 2016-03-16 | 2016-07-13 | 四川长虹电器股份有限公司 | Food automatic identification method and system based on radio frequency labels |
| CN105866562A (en) * | 2015-01-19 | 2016-08-17 | 青岛海尔空调器有限总公司 | Networked household electrical appliance testing method and testing system |
| CN106850393A (en) * | 2015-12-07 | 2017-06-13 | 中国移动通信集团公司 | A kind of information analysis method, terminal device and system |
| WO2017124557A1 (en) * | 2016-01-24 | 2017-07-27 | 张添章 | Information reminding method when detecting preservation time limit, and refrigerator |
| CN108151436A (en) * | 2017-12-31 | 2018-06-12 | 青岛量谷无线科技有限公司 | A kind of novel Internet of Things intelligence refrigerator and its method |
| CN110645767A (en) * | 2019-08-15 | 2020-01-03 | 长虹美菱股份有限公司 | Refrigerator-based fault judging and reminding system |
| CN112113393A (en) * | 2019-06-21 | 2020-12-22 | 广西科学院 | Refrigerator vacant sensor |
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| CN102878738A (en) * | 2012-10-25 | 2013-01-16 | 四川长虹电器股份有限公司 | Intelligent control method of refrigeration equipment |
| CN103322767A (en) * | 2013-07-09 | 2013-09-25 | 合肥美的电冰箱有限公司 | Fresh-keeping control method, system and refrigerator for food in refrigerator based on mobile terminal |
| CN103542687A (en) * | 2013-09-29 | 2014-01-29 | 澳柯玛股份有限公司 | Intelligent control system for refrigerator and operating method thereof |
| CN103542687B (en) * | 2013-09-29 | 2015-09-30 | 澳柯玛股份有限公司 | A kind of intelligence control system for refrigerator and operation method thereof |
| CN103578257A (en) * | 2013-11-26 | 2014-02-12 | 湖北楚骥科技有限公司 | Intelligent refrigerator control system based on big data technology |
| CN104199358A (en) * | 2014-08-30 | 2014-12-10 | 石永丽 | Intelligent food-in-refrigerator inquiry system based on Internet of Things |
| CN104504867A (en) * | 2014-12-30 | 2015-04-08 | 北京慧眼智行科技有限公司 | QR (quick response) code based commodity shelf life reminding system and method |
| CN104504867B (en) * | 2014-12-30 | 2018-02-02 | 北京慧眼智行科技有限公司 | A kind of commodity shelf life prompting system and method based on Quick Response Code |
| CN105866562A (en) * | 2015-01-19 | 2016-08-17 | 青岛海尔空调器有限总公司 | Networked household electrical appliance testing method and testing system |
| CN104732263A (en) * | 2015-03-09 | 2015-06-24 | 杭州跨界科技有限公司 | Refrigerator food material management system and method |
| CN104697287A (en) * | 2015-03-13 | 2015-06-10 | 陈蔼珊 | Cloud system refrigerator management method and system |
| CN105184204B (en) * | 2015-07-10 | 2018-06-19 | 百度在线网络技术（北京）有限公司 | A kind of item identification devices, intelligent refrigerator and user terminal |
| CN105184204A (en) * | 2015-07-10 | 2015-12-23 | 百度在线网络技术（北京）有限公司 | Article identification device, smart refrigerator and user terminal |
| CN105674679A (en) * | 2015-10-28 | 2016-06-15 | 合肥西杰电子科技有限公司 | Intelligent food fresh-keeping reminder |
| CN105450646A (en) * | 2015-12-02 | 2016-03-30 | 河南新飞电器有限公司 | Local area network connection realization method for network refrigerator and user information security authentication method |
| CN106850393A (en) * | 2015-12-07 | 2017-06-13 | 中国移动通信集团公司 | A kind of information analysis method, terminal device and system |
| WO2017124557A1 (en) * | 2016-01-24 | 2017-07-27 | 张添章 | Information reminding method when detecting preservation time limit, and refrigerator |
| CN105760909A (en) * | 2016-03-16 | 2016-07-13 | 四川长虹电器股份有限公司 | Food automatic identification method and system based on radio frequency labels |
| CN108151436A (en) * | 2017-12-31 | 2018-06-12 | 青岛量谷无线科技有限公司 | A kind of novel Internet of Things intelligence refrigerator and its method |
| CN112113393A (en) * | 2019-06-21 | 2020-12-22 | 广西科学院 | Refrigerator vacant sensor |
| CN110645767A (en) * | 2019-08-15 | 2020-01-03 | 长虹美菱股份有限公司 | Refrigerator-based fault judging and reminding system |
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Application publication date: 20120919 |