CN101477346B - Food monitoring method, food monitoring system and monitoring apparatus - Google Patents
Food monitoring method, food monitoring system and monitoring apparatus Download PDFInfo
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- CN101477346B CN101477346B CN2009100775875A CN200910077587A CN101477346B CN 101477346 B CN101477346 B CN 101477346B CN 2009100775875 A CN2009100775875 A CN 2009100775875A CN 200910077587 A CN200910077587 A CN 200910077587A CN 101477346 B CN101477346 B CN 101477346B
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Abstract
The invention provides a food monitoring method, which comprises the following steps: acquiring the temperature of food stored in a food storage device; and comparing the food temperature with a preset temperature threshold, giving an alarm to users if the acquired food temperature is more than the preset temperature threshold, and simultaneously transmitting the acquired food temperature, the acquisition time and an unique identification of a monitoring device of the storage device to a processing terminal for processing through a communication network. The invention also provides a food monitoring system and the monitoring device for the food storage device. The invention monitors and traces information such as the transient temperature of the food during storage and transportation so as to reduce the possibility of deterioration of the food during storage and transportation and guarantee that consumers can consume safe food.
Description
Technical field
The present invention relates to food monitoring technique field, be particularly related at storage, transport and sell the supervising device of in the process food being monitored food method for supervising, food monitoring system and food storage device, thereby can carry out express-analysis and processing problems such as whether monitored food go bad.
Background technology
Because food is to the singularity of health, various countries have all proposed strict national standard to food security.For example, the food major part of existing processing need meet HACCP (Hazard Analysis CriticalControl Point) authentication, and so-called HACCP is based on science, the preventative food safety management system of setting up on " hazard " basis.
HACCP guarantees food in the production, processing, manufacturing, preparation of consumption and process safe such as edible, is representing a kind of science, rationally and the method for system aspect harm identification, evaluation and the control.This just requires contingent link in the identification food production, and takes suitable control measure to prevent the generation that endangers.Monitor and control by each step process, thus the probability that harm reduction takes place.
For example, be accomplished to from production the whole link that is transported to selling spots such as supermarket, the temperature of food need be remained under the predetermined temperature at food, rotten to prevent that food from taking place.Thus, meet HACCP authentication for guaranteeing food, food must remain on (for example 5 spend) under certain temperature producing, preserve, transport and sell in the process.If be higher than the temperature of this setting, then food may or go bad.
Traditionally, all be based on detection for the monitoring of food temperature to temperature in the food storage device, for example for frozen food, only the temperature that detects in the refrigerator is detected at present, if the temperature of refrigerator is within preset range then just think that this food is safe.Yet, if this food has just taken place to go bad before putting into refrigerator, but because the temperature of refrigerator is considered to safe, so this food is also still thought safe.For example, after common carrier is transported to the supermarket with food, the supermarket staff does not in time put into refrigerator with food and that food is taken place is rotten, and this moment because the temperature of refrigerator does not exceed predetermined scope, so dealer can think that this food is safe and sell.Simultaneously, can't judge also this food is in which link problem to have occurred and caused food spoilage, can't adopt counter-measure, and cause unnecessary loss and dispute may for food manufacturer and forwarding agent.
Summary of the invention
The present invention is intended to one of address the above problem at least, for this reason, the object of the present invention is to provide a kind of food method for supervising, described food method for supervising utilizes the IR temperature sensor of the corresponding supervising device on communication network and the food storage device to monitor and reviews the information such as temperature of food in production, transportation and storing process, thereby reduce the possibility of food spoilage in storage and transportation, guarantee that the consumer can consume the food of safety, and after food takes place to go bad, also can review according to the record of preserving.
Another object of the present invention is to provide a kind of food monitoring system, thereby in this food monitoring system, whether can utilize the IR temperature sensor of the corresponding supervising device on communication network and the food storage device to monitor the food of being preserved has taken place rotten, thereby guarantee that the consumer can consume the food of safety, and after food takes place to go bad, also can review according to the record of preserving.
A further object of the present invention is to provide a kind of supervising device of food storage device, utilize this supervising device, can utilize the IR temperature sensor of communication network and supervising device to monitor and review food produce, whether rotten in transportation and the storing process, and the situation of reminding food spoilage, guarantee that thus the consumer can obtain sufficient food security guarantee.
Thus, according to an aspect of the present invention, a kind of food method for supervising is provided, described food storage is in having the food storage device of corresponding supervising device, described supervising device has unique identification and IR temperature sensor, and described supervising device intercoms with processing terminal mutually by communication network, said method comprising the steps of: by the food temperature in the IR temperature sensor collection food storage device; Compare with the food temperature and the preset temperature threshold value of will gather, if the food temperature of gathering is greater than the preset temperature threshold value, then to User Alarms, supervising device is with the food temperature of gathering simultaneously, acquisition time, the unique identification of access time and supervising device sends to processing terminal by communication network and handles, wherein, described supervising device is a plurality of, all be connected with described processing terminal, described processing terminal is set up data logging according to the data that described a plurality of supervising devices send, and described processing terminal is supported multiple communication network simultaneously, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising device, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising devices by second cordless communication network by first wireline communication network.Thus, said method of the present invention is by being arranged on the IR temperature sensor of the corresponding supervising device on the food storage device, can utilize the temperature of the electromagnetic radiation detection food of food emission, even the temperature in the food storage device meets the requirements like this, if but the temperature that leaves food wherein in has surpassed the preset temperature threshold value, it is rotten to think also that then this food may or take place, thereby gives the alarm to the user.Further, in food method for supervising of the present invention, processing terminal can be gathered the testing result of a plurality of supervising devices and handles by communication network, thereby takes place also can review according to the data message that processing terminal is preserved after rotten at food.
Described food method for supervising further comprises following feature:
As one embodiment of the present of invention, can after detecting the food storage device and being opened, start described IR temperature sensor.The IR temperature sensor can be when food is just put into detect with regard to starting like this, obtains the transient temperature of food, if this transient temperature exceeds the preset temperature threshold value, thinks promptly that then this food has taken place rottenly maybe may go bad.
As one embodiment of the present of invention, the IR temperature sensor can be gathered food temperature in the food storage device according to preset period, for example gathers according to the cycle that meets the HACCP standard.
As one embodiment of the present of invention, can be converted to digital signal by the food temperature that A/D changes the collection of described IR temperature sensor.
As one embodiment of the present of invention, described communication network can comprise mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path, in said method of the present invention, can support multiple network to connect, thereby further improve compatibility of the present invention.
According to a further aspect in the invention, a kind of food monitoring system is provided, comprise: processing terminal and a plurality of supervising devices that intercom mutually by communication network and described processing terminal, described a plurality of supervising device is suitable for being located on the corresponding food storage device of storage food, in wherein said a plurality of supervising device each all has unique identification and IR temperature sensor, described a plurality of supervising device is gathered the interior food temperature of food storage device by described IR temperature sensor, and the food temperature and the preset temperature threshold value of gathering compared, if the food temperature of gathering is greater than the preset temperature threshold value, then to User Alarms, simultaneously with the food temperature of gathering, the time of gathering, the unique identification of access time and supervising device sends to described processing terminal and handles, wherein, described processing terminal is set up data logging according to the data that described a plurality of supervising devices send, and described processing terminal is supported multiple communication network simultaneously, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising device, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising devices by second cordless communication network by first wireline communication network.
Thus, in food monitoring system of the present invention, the IR temperature sensor of supervising device can detect the temperature of food by the electromagnetic radiation that food sends, even the temperature of food storage device meets the requirements like this, if but the temperature of storage food has within it surpassed the preset temperature threshold value, can assert that also this food maybe may go bad, thereby give the alarm.Further, in food monitoring system of the present invention, processing terminal can be separately positioned on the testing result of a plurality of supervising devices on a plurality of food storage devices and handles by the communication network collection, thereby takes place also can review according to the data message that processing terminal is preserved after rotten at food.
Described food monitoring system further comprises following feature:
As one embodiment of the present of invention, described supervising device also comprises the detecting device that opens the door, whether the described detecting device that opens the door links to each other with controller, be used to detect the food storage device and be opened, and wherein starts the IR temperature sensor detecting the food storage device back supervising device that is opened.The IR temperature sensor can be when food is just put into detect with regard to starting like this, obtains the transient temperature of food, if this transient temperature exceeds the preset temperature threshold value, thinks promptly that then this food has taken place rottenly maybe may go bad.
As one embodiment of the present of invention, the IR temperature sensor can be gathered food temperature in the food storage device according to preset period, for example gathers according to the cycle that meets the HACCP standard.
As one embodiment of the present of invention, described supervising device can also comprise A/D converter, is used for the food temperature of described IR temperature sensor collection is converted to digital signal.
As one embodiment of the present of invention, described communication network can be mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path.Thus, food monitoring system of the present invention can support multiple network to connect, thereby further improves the compatibility of described food monitoring system.
According to another aspect of the invention, a kind of supervising device that is used for the food storage device is provided, described supervising device has unique identification, and comprise IR temperature sensor, controller, alarm, open the door detecting device and communication port, wherein: described IR temperature sensor is used for according to the food temperature in the instruction acquisition food storage device of described controller; Described alarm is used for instruction according to described controller to User Alarms; Whether the described detecting device that opens the door is used to detect the food storage device and is opened, and detect the food storage device be opened the back described controller start described IR temperature sensor; Described communication port is used for communicating by letter with processing terminal by communication network according to the instruction of described controller; And described controller links to each other with communication port with described IR temperature sensor, alarm respectively, be used for the food temperature and the preset temperature threshold value of the collection of described IR temperature sensor are compared, if the food temperature of gathering is greater than the preset temperature threshold value, then control described alarm to User Alarms, by described communication port the unique identification of food temperature, acquisition time, access time and the supervising device gathered is sent to processing terminal simultaneously.Thus, in supervising device of the present invention, the IR temperature sensor of supervising device can be by food emission the temperature of the food of electromagnetic radiation detection of stored in the food storage device, even the temperature of food storage device meets the requirements like this, if but the temperature of food has wherein surpassed the preset temperature threshold value, also can assert this food or may go bad, thereby give the alarm.Further, in supervising device of the present invention, processing terminal can be gathered the testing result of a plurality of supervising devices and handles by communication network, thereby takes place also can review according to the data message that processing terminal is preserved after rotten at food.
Described supervising device can further comprise following characteristics:
As one embodiment of the present of invention, the IR temperature sensor can be gathered food temperature in the food storage device according to preset period, for example gathers according to the cycle that meets the HACCP standard.
As one embodiment of the present of invention, described supervising device can also comprise A/D converter, is used for the food temperature of described IR temperature sensor collection is converted to digital signal.
As one embodiment of the present of invention, described communication port can be supported mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path.Thus, supervising device of the present invention can support multiple network to connect, thereby further improves the compatibility of described supervising device.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is a food method for supervising process flow diagram according to an embodiment of the invention;
Fig. 2 has shown the structural representation of food monitoring system according to an embodiment of the invention; And
Fig. 3 is the structural representation of supervising device according to an embodiment of the invention.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
The IR temperature sensor that utilizes communication network and be arranged on the supervising device on the food storage device 500 monitors the data messages such as transient temperature of food in production, transportation and storing process, thereby reduce food in production, transportation and storing process mesometamorphism situation, guarantee that the consumer can consume the food of safety, and take place also can to review after rotten, thereby the food that processing in time may be gone bad and taking appropriate measures according to the recording data information of preserving at food.
As shown in Figure 1, be the process flow diagram of food method for supervising according to an embodiment of the invention.In the embodiment shown in fig. 1, food storage is in the food storage device 500 of for example refrigerator-freezer, and the supervising device 200 of food storage device 500 has unique identification and IR temperature sensor 230, and supervising device 200 intercoms with processing terminal 100 mutually by communication network.Particularly, the unique identification of supervising device 200 can be selected with the communication network that processing terminal 100 is connected according to it.According to one embodiment of present invention, select internet or LAN (Local Area Network) (comprising WLAN (wireless local area network)) when described communication network, then this unique identification can be the IP address of this supervising device 200.According to another embodiment of the present invention, when described communication network is mobile communications network (as GSM or a cdma network), then this unique identification can be IMEI (International Mobile Equipment Identity, international mobile identification).In other embodiment; also can select other unique identifications for other communication networks; those of ordinary skill is appreciated that thus; cited herein communication network (for example internet, mobile communications network etc.) is the purpose for explanation and example, rather than in order to limit invention which is intended to be protected.
To describe food method for supervising according to an embodiment of the invention below in detail.
At first, the food temperature of gathering in the food storage device 500 by the IR temperature sensor (infrared temperature sensor) 220 of supervising device 200 (step S101).In one embodiment of the invention, IR temperature sensor 220 is used to gather the transient temperature of food.In another embodiment of the present invention, can be opened when putting into food at food storage device 500, start IR temperature sensor 220, so just can detect this food immediately in the moment of putting into food storage device 500 and temperature at this moment.Owing to monitor for food security, before food is placed into food storage device 500 was to be difficult to monitoring during this period of time, for example food might not placed for a long time in meeting the environment of storage condition, may go bad when it is placed into food storage device 500, the temperature when therefore detecting food and being placed into is extremely important for the monitoring of food.In another embodiment of the present invention, IR temperature sensor 220 is periodically gathered food temperature, and wherein the cycle can be according to the HACCP standard setting.
Because any object all can send electromagnetic radiation, and this electromagnetic radiation energy is measured by infrared temperature sensor.Thus, when object temperature changed, its electromagnetic wavelength that gives off also can change thereupon, and the IR sensor can convert this wavelength change to variation of temperature, thereby realized the monitoring temperature of object, the purpose of thermometric.Because the IR temperature sensor has been realized functions such as contactless thermometric, telemeasurement high temperature, thereby avoided the object of the measured temperature of direct contact, this is for existing strict the pollution for the food or medicine that requires, owing to need not disinfecting, thus good temperature survey function is provided.
Thus, in Food Monitoring method according to an embodiment of the invention, IR temperature sensor 220 is the electromagnetic radiation detected temperatures that take place by object, because electromagnetic radiation all can take place in all objects, and when object temperature changes, therefore its electromagnetic wavelength that gives off also can change thereupon, can convert wavelength change to variation of temperature by IR temperature sensor 220 in the present invention, thereby realize detecting the purpose of food temperature.
Then, the food temperature of IR temperature sensor 220 being gathered by the A/D conversion is converted to digital signal (step S102).Need to prove,, need to utilize A/D to change thus and be converted to the digital signal that processing terminal 100 can be handled because the common collection of IR temperature sensor is simulating signal.But those of ordinary skill obviously can adopt the direct A/D conversion equipment that can generate digital signal to realize the purpose of this step.Herein, just for the purpose of illustrating the invention, rather than in order to limit invention which is intended to be protected.
Then, the food temperature gathered (be converted to digital signal after) is compared (step S103) with the preset temperature threshold value.Wherein the food in temperature threshold and this food storage device of storage 500 is relevant, can be provided with according to the numerical value of in advance the food standard defined controller 230 (describing below) by supervising device 200 by the user.For example,, then the temperature threshold of this sour milk can be made as 5 ℃ if the food of storage is sour milk, rotten to prevent that sour milk from taking place in the process of transportation or transmission.
Then, if the food temperature of gathering is greater than the preset temperature threshold value, then supervising device 200 is to User Alarms (LED that for example sends chimes of doom or utilize supervising device 200 to carry glimmer demonstration), reminds this food of user may or go bad (step S104).Simultaneously supervising device 200 also sends to processing terminal with the unique identification (for example IP address) of food temperature, acquisition time and the supervising device 200 gathered by communication network and handles, and for example carries out record, arrangement, classification etc.In one embodiment of the invention, the access time that food storage device 500 also put into food by supervising device 200 sends to processing terminal, described processing terminal is set up data logging according to the unique identification that supervising device 200 sends access time, food temperature, acquisition time and supervising device, from utilizing described data logging to carry out tracing management, for example the food in which food storage device 500 or may go bad has occurred rotten etc. in which link.In other embodiments of the invention, supervising device 200 also can be set the data message of gathering other user's needs according to the user and send to processing terminal 100, preserves for processing terminal 100 and handles.
Wherein, in one embodiment of the invention, above-mentioned communication network can comprise mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path, wherein the selection of communication network can be according to the distance decision between processing terminal and the supervising device 200, for example, if the distance between processing terminal and the supervising device 200 is far away, then can select mobile communications network or internet, if close together then can be selected LAN (Local Area Network) or bluetooth etc.
In another embodiment of the present invention, also can whether move and select corresponding communication network according to supervising device 200, if for example this food storage device 500 is the refrigerator-freezer in the supermarket, then can select LAN (Local Area Network) etc., if the van cooler of this food storage device 500 for moving, then should select mobile communications network, for example GSM or cdma network etc.The present invention not only can be applied to the food generation, store and sell link as can be seen from foregoing description, also can be applicable to the links such as transportation of food.Further, because the present invention supports multiple communication network, thereby can select according to practical application, thereby further increase availability of the present invention by the user.
At last, processing terminal 100 receives the data that supervising device 200 sends, and described data are handled (step S105).In one embodiment of the invention, above-mentioned supervising device 200 can be for a plurality of, and each supervising device 200 has unique identification separately.For example for the supermarket, it has the refrigerator-freezers of 200 storage food, and each refrigerator-freezer all has a fixed IP addresses, by processing terminal 100 data of these 200 refrigerator-freezers is carried out unified management.Like this,, thereby take place also can to review after rotten, thereby further improve the monitoring efficiency of described food monitoring system according to the record that processing terminal is preserved at food by the unified monitoring of 100 pairs of all supervising devices 200 of processing terminal.Wherein, particularly, this processing terminal can be computing machine or has other hardware of data processing function, for example other equipment such as PDA (personal digital assistant), notebook computer, server.
In another embodiment of the present invention, processing terminal 100 can be supported multiple communication network simultaneously, processing terminal can communicate with the supervising device 200 that is in the different application scene simultaneously like this, thereby can monitor whole links such as food production, storage, transportation and sale.For example communicate with super incity refrigerator-freezer and be connected, communicate by mobile communications network and van cooler in the transportation simultaneously and be connected (this will further describe below) by the internet.
Thus, food method for supervising according to an embodiment of the invention, can utilize the electromagnetic radiation of food generation to detect the temperature of food by the IR temperature sensor 220 that is arranged on the supervising device 200 on the food storage device 500, even the temperature of food storage device 500 meets the requirements like this, if but the temperature of the food in it has surpassed the preset temperature threshold value, then also think this food or may take place rotten, thereby give the alarm.Further, in food method for supervising of the present invention, processing terminal can be separately positioned on the testing result of a plurality of corresponding supervising device 200 on a plurality of food storage devices 500 and handles by the communication network collection, the unique identification of the just corresponding food storage device 500 of the unique identification of each supervising device 200, thus after taking place to go bad, also can review food according to the data message that processing terminal is preserved.
Describe food monitoring system according to an embodiment of the invention in detail with reference to Fig. 2 below.As shown in Figure 2, be the structural representation of food monitoring system according to an embodiment of the invention.This food monitoring system comprises processing terminal 100 and the supervising device 200 on the corresponding food storage device 500 of being arranged on that intercoms mutually by communication network (carrying out mark with 300,400 among the figure) and processing terminal 100, and described supervising device 200 has IR temperature sensor 220 and unique identification.As one embodiment of the present of invention, as shown in Figure 2, processing terminal 100 can communicate (at this moment by identical communication network with a plurality of corresponding supervising device 200 on being separately positioned on a plurality of food storage devices 500, the unique identification of each supervising device 200 is exactly the unique identification of the food storage device 500 corresponding with it), for example first communication network 300 or the second communication network 400 by wherein communicates separately.But, alternatively, described processing terminal 100 also can use different communication networks to intercom mutually with described a plurality of supervising devices 200, for example use first communication network 300 simultaneously, second communication network 400 etc., wherein the supervising device 200 of at least a portion communicates by described first communication network 300, and in addition the supervising device 200 of a part communicates by described second communication network 400 etc., need to prove, only enumerate first communication network 300 herein, second communication network 400 is as the purpose of example, rather than only is defined in 2 kinds for the kind with communication network.Further, according to another embodiment of the present invention, described communication terminal 100 can be according to the variation of application scenarios (for example becoming store status the transportation from the fixed storage state), between different communication networks, switch, thereby improve the suitability of described food monitoring system, described communication network can be mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path etc.
By communicating by letter of described communication network and processing terminal 100, thereby can carry out unified processing to the data that all supervising devices 200 send, for example store, calculate, management such as distribution, thereby after food takes place to go bad, also can accurately review, further improve the monitoring efficiency and the accuracy of food monitoring system thus according to the data message that processing terminal 100 is preserved.Supervising device 200 (for example by its controller 230) is gathered food temperature in the food storage device 500 by IR temperature sensor 220, and the food temperature and the preset temperature threshold value of gathering compared, if the food temperature of gathering is greater than the preset temperature threshold value, then to User Alarms (for example report to the police or the LED that utilizes controller to carry glimmer demonstration) by alarm 240, this will be described below), simultaneously the unique identification of time of the food temperature gathered, collection and supervising device 200 is sent to processing terminal 100 and handle.Wherein, can when detecting food storage device 500 and be opened, gather food temperatures or IR temperature sensor 220 is periodically gathered food temperature, for example gather according to the cycle that meets the HACCP standard by IR temperature sensor 220.
In one embodiment of the invention, the time that supervising device 200 also deposits food in food storage device 500 sends to processing terminal 100, processing terminal 100 is set up data logging according to the unique identification that supervising device 200 sends access time, food temperature, acquisition time and supervising device, to be used for tracing management.
Wherein, in one embodiment of the invention; communication network can comprise mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path; but the communication network that is adopted among the present invention is not limited only to cited example herein; those of ordinary skill also can adopt other communication network; thus herein only for exemplary purposes, rather than in order to limit protection scope of the present invention.In addition, the selection of communication network can be according to the distance decision between processing terminal and the supervising device 200.
Thus, in above-mentioned food monitoring system of the present invention, the IR temperature sensor 220 that supervising device 200 on the food storage device 500 is set can detect the temperature of food by the electromagnetic radiation that food takes place, even the temperature of food storage device 500 meets the requirements like this, if but temperature of food has surpassed the preset temperature threshold value in it, also can assert this food or may go bad, thereby give the alarm.Further, in food monitoring system of the present invention, as shown in Figure 2, processing terminal 100 can be gathered the testing result of a plurality of supervising devices 200 and handles by communication network, a plurality of supervising devices 200 are separately positioned on corresponding a plurality of food storage devices 500, the unique identification of supervising device 200 just is called the unique identification of corresponding food storage device 500 thus, thereby also can review according to the data message that processing terminal 100 is preserved after food takes place to go bad.
Describe the detailed structure that is used for the supervising device 200 of food storage device 500 of the present invention in detail with reference to Fig. 3 below, wherein Fig. 3 shows the structural representation of supervising device 200 according to an embodiment of the invention.
Whether in one embodiment of the invention, supervising device 200 also comprises the detecting device 260 that opens the door, and the detecting device 260 that opens the door links to each other with controller 230, be used to detect food storage device 500 and be opened.After the detecting device 260 that opens the door detected food storage device 500 and is opened, controller 230 started IR temperature sensors 220.Thereby can detect food and put into food storage device 500 temperature of this food at the moment.As mentioned above, the temperature when detected food is placed into is very important monitoring parameter information for the monitoring of specific food, particularly provides important reference frame for judging whether food goes bad.Adopt IR temperature sensor 220 under the situation of the disinfecting that does not need to increase cost, accurately to provide monitored food temperature information.
In another embodiment of the present invention, supervising device 200 also comprises A/D converter 210, is used for the food temperature of IR temperature sensor collection is converted to digital signal.But those of ordinary skill obviously can adopt the direct A/D conversion equipment that can generate digital signal to realize this purpose.Herein, just for the purpose of illustrating the invention, rather than in order to limit invention which is intended to be protected.In another embodiment of the present invention, IR temperature sensor 220 is periodically gathered food temperature, for example can gather according to the cycle that meets the HACCP standard.
In one embodiment of the invention, processing terminal 100 can be supported multiple communication network simultaneously, processing terminal 100 can be simultaneously communicates with the supervising device 200 that is in the food storage device 500 in the different application scene (for example produce, transport, store and sale etc.) like this, thereby can be to food production, storage, transportation and sale etc. all link are monitored.
Thus, the present invention is by being arranged on the IR temperature sensor 220 of the supervising device 200 on the food storage device 500, the electromagnetic radiation that can utilize food to launch detects the temperature of food, even the temperature of food storage device 500 meets the requirements like this, if but temperature of food has surpassed the preset temperature threshold value in it, it is rotten to think also that then this food may or take place, thereby gives the alarm to the user by alarm 240.Further, in the present invention, processing terminal 100 can be gathered the testing result of a plurality of supervising devices 200 and handles by communication network, for example sets up data logging, thereby takes place can review according to the data logging that processing terminal is preserved after rotten at food.
Thus, according to supervising device 200 of the present invention, can utilize communication port 250 and IR temperature sensor 220 to monitor the temperature of food, even the temperature of food storage device 500 meets the requirements like this, if but the temperature of food has surpassed the preset temperature threshold value, can assert that also this food or may go bad, thereby give the alarm to the user, and communication port 250 that further can be by described supervising device 200 and processing terminal 100 for example computing machine communicate, thereby can review food is producing, storage, transportation, rotten position (for example takes place in the rotten situation of selling in the whole process, temperature, time etc.), and remind user's food spoilage, guarantee that thus the consumer can obtain sufficient food security guarantee.
Although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can carry out multiple variation, modification, replacement and modification that scope of the present invention is by claims and be equal to and limit to these embodiment.
Claims (14)
1. food method for supervising, it is characterized in that described food storage is in having the food storage device of corresponding supervising device, described supervising device has unique identification and IR temperature sensor, and described supervising device intercoms with processing terminal mutually by communication network
Said method comprising the steps of:
By the food temperature in the IR temperature sensor collection food storage device; With
The food temperature and the preset temperature threshold value of gathering are compared, if the food temperature of gathering is greater than the preset temperature threshold value, then to User Alarms, supervising device is with the food temperature of gathering simultaneously, acquisition time, the unique identification of access time and supervising device sends to processing terminal by communication network and handles, wherein, described supervising device is a plurality of, all be connected with described processing terminal, described processing terminal is set up data logging according to the data that described a plurality of supervising devices send, and described processing terminal is supported multiple communication network simultaneously, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising device, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising devices by second cordless communication network by first wireline communication network.
2. food method for supervising as claimed in claim 1 is characterized in that, wherein after detecting the food storage device and being opened, starts described IR temperature sensor.
3. food method for supervising as claimed in claim 1 is characterized in that, described IR temperature sensor is according to the food temperature in the preset period collection food storage device.
4. as each described food method for supervising of claim 1-3, it is characterized in that, also comprise:
The food temperature of described IR temperature sensor collection is converted to digital signal.
5. food method for supervising as claimed in claim 1 is characterized in that, described communication network comprises mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path.
6. food monitoring system, it is characterized in that, comprise: processing terminal and a plurality of supervising devices that intercom mutually by communication network and described processing terminal, described a plurality of supervising device is suitable for being located on the corresponding food storage device of storage food, in wherein said a plurality of supervising device each all has unique identification and IR temperature sensor
Described a plurality of supervising device is gathered the interior food temperature of food storage device by described IR temperature sensor, and the food temperature and the preset temperature threshold value of gathering compared, if the food temperature of gathering is greater than the preset temperature threshold value, then to User Alarms, simultaneously with the food temperature of gathering, the time of gathering, the unique identification of access time and supervising device sends to described processing terminal and handles, wherein, described processing terminal is set up data logging according to the data that described a plurality of supervising devices send, and described processing terminal is supported multiple communication network simultaneously, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising device, have at least a part of supervising device to be connected with described processing terminal in described a plurality of supervising devices by second cordless communication network by first wireline communication network.
7. food monitoring system as claimed in claim 6, it is characterized in that, described supervising device also comprises the detecting device that opens the door, the described detecting device that opens the door links to each other with controller, be used to detect the food storage device and whether be opened, wherein start the IR temperature sensor detecting the food storage device back supervising device that is opened.
8. food monitoring system as claimed in claim 7 is characterized in that, described IR temperature sensor is according to the food temperature in the preset period collection food storage device.
9. as each described food monitoring system of claim 6-8, it is characterized in that, described supervising device also comprises A/D converter, and described A/D converter links to each other with controller with the IR temperature sensor, is used for the food temperature of described IR temperature sensor collection is converted to digital signal.
10. food monitoring system as claimed in claim 6 is characterized in that, described communication network is mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path.
11. a supervising device that is used for the food storage device is characterized in that described supervising device has unique identification, and comprise IR temperature sensor, controller, alarm, open the door detecting device and communication port, wherein:
Described IR temperature sensor is used for according to the food temperature in the instruction acquisition food storage device of described controller;
Described alarm is used for instruction according to described controller to User Alarms;
Whether the described detecting device that opens the door is used to detect the food storage device and is opened, and detect the food storage device be opened the back described controller start described IR temperature sensor;
Described communication port is used for communicating by letter with processing terminal by communication network according to the instruction of described controller; And
Described controller links to each other with communication port with described IR temperature sensor, alarm respectively, be used for the food temperature and the preset temperature threshold value of the collection of described IR temperature sensor are compared, if the food temperature of gathering is greater than the preset temperature threshold value, then control described alarm to User Alarms, by described communication port the unique identification of food temperature, acquisition time, access time and the supervising device gathered is sent to processing terminal simultaneously.
12. supervising device as claimed in claim 11 is characterized in that, described IR temperature sensor is according to the food temperature in the preset period collection food storage device.
13., it is characterized in that as claim 11 or 12 described supervising devices, also comprise and IR temperature sensor and the A/D converter that control links to each other, be used for the food temperature of described IR temperature sensor collection is converted to digital signal.
14. supervising device as claimed in claim 11 is characterized in that, described communication port is supported mobile communications network, internet, LAN (Local Area Network), IEEE802.11 series WLAN (wireless local area network), bluetooth, super bandwidth UWB network or radio frequency path.
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| CN2009100775875A CN101477346B (en) | 2009-01-23 | 2009-01-23 | Food monitoring method, food monitoring system and monitoring apparatus |
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| CN2009100775875A CN101477346B (en) | 2009-01-23 | 2009-01-23 | Food monitoring method, food monitoring system and monitoring apparatus |
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| TWI554853B (en) * | 2012-12-27 | 2016-10-21 | hui-guang You | Automatic detection and improvement system for goods |
| CN103913998A (en) * | 2012-12-31 | 2014-07-09 | 游惠光 | Commodity automatic detection improvement system |
| CN104536357A (en) * | 2014-11-21 | 2015-04-22 | 熊新家 | Foodstuff monitoring system |
| CN105137010A (en) * | 2015-10-12 | 2015-12-09 | 无锡还有网络科技有限公司 | Food safety detecting system based on wireless communication |
| WO2018013047A1 (en) * | 2016-07-15 | 2018-01-18 | Mobile Sensory Technologies Sweden Ab | Method and device for monitoring statuses and positions of goods |
| CN106288640A (en) * | 2016-08-22 | 2017-01-04 | 合肥齐赢网络技术有限公司 | A kind of refrigerator management system based on network technology |
| CN108510675B (en) | 2018-03-29 | 2021-01-22 | 京东方科技集团股份有限公司 | Commodity storage method, shopping cart and computer readable storage medium |
| CN108961699A (en) * | 2018-07-26 | 2018-12-07 | 刘荣果 | A kind of monitoring device and monitoring system |
| CN110398265A (en) * | 2019-08-01 | 2019-11-01 | 浪潮软件股份有限公司 | It is a kind of that retrospect is applied to the system and method that Cold Chain Logistics realization can trace to the source |
| CN110765985A (en) * | 2019-11-11 | 2020-02-07 | 上海秒针网络科技有限公司 | Dish replenishment monitoring method and system for cafeteria |
| CN112345118A (en) * | 2020-08-14 | 2021-02-09 | 深圳市海洋王照明工程有限公司 | Illumination control method, system, computer device and storage medium |
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