CN112925257A - Intelligent diet monitoring device and method - Google Patents
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Abstract
The invention discloses an intelligent diet monitoring device, which comprises a user terminal and an intelligent nutrition service plate analyzer; the intelligent nutrition dinner plate analyzer comprises a control processing module, a weighing module, an alarm prompting module, a wireless communication module and a plurality of dinner plates; the control processing module calculates the content of the nutrients in the food in real time so as to provide accurate nutrient intake data for the user. Meanwhile, a nutrient exceeding threshold value is set for comparison, and food exceeding the threshold value is alarmed, so that more accurate diet nutrition management is carried out. The invention also provides a monitoring method using the intelligent meal monitoring device.
Description
Technical Field
The invention belongs to the technical field of data management, and particularly relates to the technical field of intelligent diet monitoring.
Background
With the higher living standard of people, people pay more and more attention to nutritional diet, especially people with diabetes, obesity, fitness, pregnancy and postpartum, and the like pay more attention to diet nutrition, and people want to know the weight of a meal in real time, the amount of ingested nutrients and whether the ingested nutrients are in a reasonable range in real time during meal so as to control the meal. The stomach discomfort and other problems are easily caused when the dining speed is too fast, and some people with busy work or stomach diseases and other people want to control the dining speed of the people.
People often use dinner plates and other tools during dinner, so some dinner plates in the prior art are added with a heating and heat-preserving function, such as the realization mode mentioned in the Chinese patent CN205094104U, and some dinner plates in the prior art are added with a weighing function, such as the realization mode mentioned in the Chinese patent CN 204351491U.
Aiming at the problem of nutrition diet concerned by certain disease people or people with special requirements, the current common methods are that users selectively eat certain foods according to the suggestions of professionals or doctors, and some people take the foods after measuring the foods by an electronic scale according to a recipe provided by the professionals, and the methods are not enough in accuracy and operation convenience. The Chinese patent CN206910174U provides a method for solving the problem that a user knows the self meal amount and the nutrient intake amount through the weight of food, but cannot provide nutrient data such as total energy, protein, fat, carbohydrate and the like which are ingested during eating, does not provide a function of reminding which nutrient data exceed the standard in real time, and does not provide a function of monitoring the meal speed.
Disclosure of Invention
The purpose of the invention is as follows: aiming at the defects, the intelligent diet monitoring device provided by the invention can monitor the nutrient and the meal amount ingested in food in real time.
The invention also provides a monitoring method using the intelligent meal monitoring device.
The technical scheme is as follows: in order to solve the problems, the intelligent diet monitoring device can adopt the following technical scheme:
an intelligent meal monitoring device comprises a user terminal and an intelligent nutrition service plate analyzer;
the user terminal comprises a food database, wherein the food database comprises a plurality of selectable food categories; nutrient data corresponding to the unit weight of each food category is arranged in at least one of the food database or the intelligent nutrition service plate analyzer;
the intelligent nutrition dinner plate analyzer comprises a control processing module, a weighing module, an alarm prompting module, a wireless communication module and a plurality of dinner plates;
the wireless communication module is used for carrying out data and instruction communication with the user terminal;
the weighing module is used for weighing the weight of food in each dinner plate;
the control processing module is used for acquiring data of nutrient content of food in each dinner plate; the data for the nutrient content of the food in each plate was:
nutrient data per unit weight for each food category x weight of food within the plate;
if certain nutrient exceeds standard, the alarm prompting module gives an alarm.
Further, the weighing module weighs the weight of the food in the dinner plate in real time; the control processing module obtains the weight of the food ingested by the user according to the difference between the weight of the food in the dinner plate before the user has a meal and the weight of the food left during the meal, and calculates and obtains the amount of each nutrient ingested by the user according to the proportion of each nutrient in the food in each dinner plate and the weight of the ingested food;
the control processing module compares the nutrient data ingested by the user with a recommended threshold value, if the nutrient data ingested by the user is greater than the recommended threshold value, the condition that the nutrient ingested by the user exceeds the standard is judged, and the alarm prompting module gives an alarm.
Has the advantages that: compared with the prior art, the intelligent nutrition service plate analyzer provided by the invention can calculate the content of nutrients in food in real time through the control processing module so as to provide accurate nutrient intake data for users. Meanwhile, a nutrient exceeding threshold value is set for comparison, and food exceeding the threshold value is alarmed, so that more accurate diet nutrition management is carried out. Particularly, aiming at the crowd which needs to strictly control the dietary nutrient intake, the problem that the nutrient intake can only be calculated by food weight in the prior art in a fuzzy way can be solved, and a more accurate nutrient intake calculation technical means is provided.
Furthermore, the intelligent meal monitoring device is also provided with a timer for timing, and the timer is used for timing when a meal is started; if the user eating too fast is judged, the alarm prompting module gives an alarm;
wherein t is calculated per interval periodPhotographic studioTotal weight of ingested food WInter-shooting assemblyAnd obtaining the dining speed V in each interval time periodInter-shooting assembly，
Therefore, the further provided technical means can further control the analysis and control of eating speed data while accurately calculating food nutrients, and avoids the condition that the eating speed of a user is too high.
The monitoring method provided by the invention can adopt the following technical scheme:
the method comprises the following steps:
(1) the user terminal is in pairing connection with the intelligent nutrition service plate analyzer in a wireless mode;
(2) selecting catering from a food library by software of a user terminal, or importing the catering by selecting a preset menu template, corresponding each food to a corresponding dinner plate, and placing each food to the corresponding dinner plate when the user eats; wherein the foods in the food library and the recipe template library have data on the amount of each nutrient contained in each unit weight of the food; after the user finishes catering, the user terminal sends data to the intelligent nutrition service plate analyzer; the data includes data on the amount of nutrients per unit weight of food in each serving tray and data on the recommended amount of nutrients to be taken by the user for the meal, including total energyAmount, protein, carbohydrate, fat, etc.; the total energy, protein, carbohydrate and fat of the food in the first tray per unit weight are respectively set as E1、P1、C1、F1The total energy, protein, carbohydrate and fat of the food in the second dish per unit weight are respectively E2、P2、C2、F2The total energy, protein, carbohydrate and fat of the food in the third dish per unit weight are respectively E3、P3、C3、F3The total energy, protein, carbohydrate and fat of the food in the four-size dish per unit weight are respectively E4、P4、C4、F4The total energy, protein, carbohydrate and fat of the food in the fifth dish per unit weight are respectively E5、P5、C5、F5Setting the recommended amount of nutrients for the user to have a meal as TE、TP、TC、TF；
(3) Display dinner plate food weight and nutrients: the intelligent nutrition dinner plate analyzer is used for weighing and displaying food in the five-way dinner plate, and the weight of the food in the first dinner plate to the fifth dinner plate is W1、W2、W3、W4、 W5；
Wherein the total energy E of all food in the dinner plateGeneral assemblyThe calculation method comprises the following steps:
protein P of all foods in dinner plateGeneral assemblyThe calculation method comprises the following steps:
carbohydrate C of all food in the dishGeneral assemblyThe calculation method comprises the following steps:
fat F of all food in the dinner plateGeneral assemblyThe calculation method comprises the following steps:
meanwhile, weighing data are uploaded to a user terminal in real time, and the user terminal can calculate and display nutrient data by adopting the same method;
(4) the user triggers to start eating at the user terminal and sends the data to the intelligent nutrition service plate analyzer, or triggers to start eating at the intelligent nutrition service plate analyzer through a touch key and uploads the data to the user terminal;
(5) and displaying the intake in real time: when a user eats, the LCD screens of the user terminal and the intelligent nutrition dinner plate analyzer display nutrient intake data, and the residual food weights measured in real time in the first to fifth dinner plates are respectively W1S、W2S、W3S、W4S、W5S；
Wherein the total energy E ingested by the userIntake ofThe calculation method comprises the following steps:
amount of protein P ingested by the userIntake ofThe calculation method comprises the following steps:
amount of carbohydrates C ingested by the userIntake ofThe calculation method comprises the following steps:
amount of fat F ingested by the userIntake ofThe calculation method comprises the following steps:
(6) the user terminal and/or the intelligent nutrition service plate analyzer can remind the user whether the amount of each nutrient taken in exceeds the standard or not in real time; if certain nutrient exceeds the standard, alarming; if the dining speed exceeds the standard in the dining process, the alarm is given;
(7) and (4) finishing the meal: the user can trigger the intelligent nutrition service plate analyzer or the user terminal to finish the meal, the real-time calculation is stopped at the moment, and the intelligent nutrition service plate analyzer transmits meal data to the user terminal;
(8) displaying and recording: after finishing eating, the user terminal displays the nutrient data finally taken by the user at the meal, and stores and records the data.
Has the advantages that: the monitoring method can monitor the accurate total energy, protein, carbohydrate, fat and other nutrient data of food in the dinner plate in real time and provide the data for a user. Meanwhile, the method is compared with a preset threshold value, and alarm reminding can be performed if the threshold value is exceeded. Meanwhile, nutrient data ingested by the user after each meal can be stored and used as a data file to facilitate analysis.
Drawings
Fig. 1 is a schematic diagram of an intelligent meal monitoring device according to the present invention.
Fig. 2 is a schematic diagram of an intelligent nutrition service plate analyzer according to the present invention.
Fig. 3 is a circuit block diagram of the intelligent nutrition service plate analyzer of the invention.
Fig. 4 is a flow chart of the intelligent meal monitoring method of the present invention.
FIG. 5 is a flowchart of the nutrient calculation procedure of the present invention.
FIG. 6 is a flow chart of the nutrient algorithm and reminder process of the present invention.
FIG. 7 is a flowchart of the meal speed routine of the present invention.
Detailed Description
With reference to fig. 1, the intelligent meal monitoring device provided by the invention comprises a user terminal and an intelligent nutrition service plate analyzer, wherein data interaction is performed between the user terminal and the intelligent nutrition service plate analyzer in a wireless communication mode, and particularly, the wireless communication mode comprises a bluetooth mode, a WIFI mode and the like. The wireless communication is mainly used for transmitting and receiving weight data on each dinner plate, each unit weight of food on each dinner plate, such as nutrient data contained in 100g of food, recommended amount data of each nutrient in the dinner, and the like.
The user terminal can be a computer, a tablet computer, a mobile phone and the like, and is provided with nutrition diet monitoring software, particularly the software can be in the forms of APP, small programs, clients, webpages and the like. The nutrition diet monitoring software has the functions of communication, diet catering, food nutrition analysis and display, meal record, meal reminding and evaluation suggestion and the like. The meal matching function in the nutrition meal monitoring software can be used for recipe recommendation through professional organizations or professionals, or can be used for selecting foods in a food bank by the user, and then the user selects and determines the foods. The intelligent nutrition service plate analyzer has the functions of communication, weighing, displaying, alarming and the like.
Referring to fig. 2, particularly for the case of an intelligent nutrition dish analyzer with five-way weighing (both single and multiple ways are within the scope of protection), a load cell is placed under each of the first to fifth dishes to measure the weight of food on each dish. The dinner plate is provided with an LCD display screen used for displaying data such as weight, nutrients and the like, the LCD display screen has a touch function, and function selection can be carried out through a capacitive touch key.
With reference to fig. 3, the intelligent nutrition service plate analyzer comprises a power module, a control processing module, a touch key module, a five-way weighing module, a display module, an alarm prompting module and a wireless communication module. The power module comprises a battery module and a charging module, the power module supplies power to other modules, and the charging module can charge the battery by adopting a USB and support charging. The control processing module can detect a touch key signal sent by the touch key module and simultaneously control the display module to select functions. The five-way weighing module can measure the weight of food on the five-way dinner plate. The alarm prompting module adopts buzzer prompting sound to give an alarm, when the weight of each path of food on the five-path dinner plate exceeds a set weighing range, the buzzer can make a sound to prompt a user, and when some ingested nutrient exceeds a recommended standard, the buzzer can make a sound to prompt the user. The display module can display total nutrient data in the dinner plate through an LCD screen, wherein the total nutrient data comprises total energy, protein, fat, carbohydrate and the like, weight data of five dinner plates are displayed, the display content is shown in figure 4, the figure is a display interface of an actual product, and the displayed data can display the nutrient intake data and the weight data of objects in the dinner plate in real time according to meals. The wireless communication module can communicate data and instructions with the user terminal and can send the received data and instructions to the control processing module. The control processing module realizes the functions of processing the weight data of the five weighing modules, calculating in real time, controlling and displaying nutrient data and the like.
With reference to fig. 1 to 4, the specific process of the intelligent meal monitoring device is as follows:
(1) connecting communication: user terminal pairs through wireless with intelligent nutrition dinner plate analysis appearance and is connected, if connect through the bluetooth, can carry out data communication.
(2) And (3) dietary catering: the user can select to prepare meals from the food library through software of the user terminal, or can import the meals by selecting the preset menu template, each food corresponds to a corresponding dinner plate, and each food is placed at the corresponding dinner plate position when the user eats the meals. Wherein the foods in the food library and the recipe template library have data on the amount of each nutrient contained per 100g of the food. After the user finishes catering, the user terminal sends data to the intelligent nutrition service plate analyzer. The data includes data on the amount of nutrients per 100g of food in each serving tray and data on the recommended amounts of nutrients the user has ingested for this meal, including but not limited to total energy, protein, carbohydrate, fat, etc. Setting total energy, protein, carbohydrate and fat contained in food per 100g in the first dish as E1、P1、C1、F1The food in the second dish contains total energy, protein, carbohydrate and fat per 100g2、P2、C2、F2The food in the dish III contains total energy, protein, carbohydrate and fat per 100g3、P3、C3、F3The total energy, protein, carbohydrate, and fat per 100g of the food in the four-size dish is E4、P4、C4、F4The food in the fifth dish contains total energy, protein, carbohydrate and fat per 100g5、P5、C5、F5Setting the recommended amount of nutrients for the user to have a meal as TE、TP、TC、TF。
(3) Display dinner plate food weight and nutrients: the intelligent nutrition dinner plate analyzer weighs food in the five-way dinner plate and displays the food on the LCD screen, and the weight of the food in the first dinner plate to the fifth dinner plate is W1、W2、 W3、W4、W5. Nutrient data were calculated and displayed on the LCD screen.
Wherein the total energy E of all food in the dinner plateGeneral assemblyThe calculation method comprises the following steps:
protein P of all foods in dinner plateGeneral assemblyThe calculation method comprises the following steps:
carbohydrate C of all food in the dishGeneral assemblyThe calculation method comprises the following steps:
fat F of all food in the dinner plateGeneral assemblyComputingThe method comprises the following steps:
meanwhile, weighing data are uploaded to a user terminal in real time, the user terminal can calculate and display nutrient data by the same method, and other nutrients are also displayed by the same method.
(4) The dining is started: the user can trigger at user terminal and begin to have dinner and issue data to intelligent nutrition dinner plate analysis appearance, also can trigger at intelligent nutrition dinner plate analysis appearance through the touch button and begin to have dinner to upload data to user terminal. The user may begin eating after the start of a meal is triggered.
(5) And displaying the intake in real time: when a user eats, the LCD screens of the user terminal and the intelligent nutrition dinner plate analyzer display nutrient intake data, and the residual food weights measured in real time in the first to fifth dinner plates are respectively W1S、W2S、W3S、W4S、W5S。
Wherein the total energy E ingested by the userIntake ofThe calculation method comprises the following steps:
amount of protein P ingested by the userIntake ofThe calculation method comprises the following steps:
amount of carbohydrates C ingested by the userIntake ofThe calculation method comprises the following steps:
amount of fat F ingested by the userIntake ofThe calculation method comprises the following steps:
the user terminal can acquire weight data from the intelligent nutrition service plate analyzer, the same method can be adopted by the user terminal to calculate and display the data of the ingested nutrients in real time, and the same method is also adopted by other ingested nutrients.
(6) Reminding in real time: the user terminal and the intelligent nutrition service plate analyzer can remind the user whether the amount of each nutrient taken in exceeds the standard or not in real time. If a certain nutrient exceeds the standard, the buzzer alarms, and meanwhile, the nutrient data displayed on the user terminal and the intelligent nutrient plate analyzer can remind the user terminal and the nutrient plate analyzer that the nutrient data exceeds the standard, such as displaying the modes of exceeding the standard, changing color of characters and the like, for example, if FIntake of＞TFThen a reminder is made. If the dining speed is too fast during the dining process, the user terminal and the intelligent nutrition dinner plate analyzer can also remind people, such as buzzer alarming, character prompting and other modes.
(7) And (4) finishing the meal: the user can trigger through intelligent nutrition dinner plate analysis appearance or user terminal and finish having a meal, stops real-time calculation this moment, and intelligent nutrition dinner plate analysis appearance will be with regard to meal data transmission to user terminal.
(8) Displaying and recording: after the meal is finished, the user terminal displays the nutrient data finally taken by the user after the meal, and stores and records the data for subsequent viewing.
(9) Analysis and suggestion: and further analyzing the data of the meal, analyzing whether the nutrient intake of the meal is reasonable or not, reminding the user of which nutrients should be increased and which nutrients should be decreased in the next meal, and providing more proper foods. And meanwhile, the dining speed condition is analyzed, and suggestions and reminders are provided for the user.
With reference to fig. 5, the program flow for real-time calculation of data showing nutrient intake is as follows:
(1.1) five ways of real-time weighing: the food in the dinner plate from the first to the fifth is weighed in real time, data are displayed on an LCD screen of the intelligent nutrition dinner plate analyzer in real time, and meanwhile, the data are transmitted to a user terminal through wireless, and the user terminal can also synchronously display the data in real time.
(1.2) whether the nutrient proportion and the recommended data are received: after the user terminal matches the dishes from one to five, the proportion of nutrients contained in the food in each dinner plate, such as total energy, protein, carbohydrate, fat and other data contained in every 100g of the food in the dish No. 1, can be obtained from the database, and meanwhile, according to the different constitutions of each person, each meal has different recommended amount data of the ingested nutrients, and the data are transmitted to the intelligent nutrition dinner plate analyzer in a wireless communication mode. And (4) if the intelligent nutrition dinner plate analyzer receives the data, calculating the step (3), if the intelligent nutrition dinner plate analyzer does not receive the data, continuing the first step, and only displaying the weight in the dinner plate.
(1.3) calculate the nutrient content of all food in the dish: according to the weight of the food in the dinner plate and the received nutrient proportion data, the total amount of each nutrient in the dinner plate can be calculated, and meanwhile, the data are uploaded to the user terminal.
(1.4) whether a meal start instruction is received: and (3) triggering a dining starting instruction by the user terminal and the intelligent nutrition service plate analyzer, executing the step (1.5) by the program once the dining starting instruction is received, and otherwise, continuing the step (1.3).
(1.5) nutrient algorithm and reminding program: and calculating the data of each nutrient ingested by the user in real time, judging whether the ingestion of each nutrient exceeds the standard, uploading the data to a user terminal, and synchronously displaying the data.
(1.6) whether a meal ending instruction is received: the user terminal and the intelligent nutrition service plate analyzer can both trigger the dining ending instruction, and once the dining ending instruction is received, the nutrient data is not calculated, and the result is uploaded to the user terminal.
With reference to fig. 6, the nutrient algorithm and the reminding program flow are as follows:
(2.1) weighing the weight of the food in the dinner plate in real time.
(2.2) calculating the weight of the ingested food in real time: the weight of food taken by the user is obtained according to the difference between the weight of food in the dinner plate before the user takes a meal and the weight of food left during the meal.
(2.3) calculating the amount of each nutrient taken in by the user in real time: and calculating the nutrient intake amount of the user according to the nutrient ratio of the food in each dinner plate and the weight of the ingested food.
(2.4) judging whether the ingested nutrients exceed the threshold value: and comparing the data of each nutrient taken in with a recommended threshold, and if the data of each nutrient taken in is greater than the recommended threshold, judging that the nutrient taken in by the user exceeds the standard.
(2.5) buzzer reminding: and after the judgment that the standard exceeds the standard, the buzzer carries out sound reminding.
(2.6) marking the data corresponding to the intake exceeding standard in red and marking the data exceeding standard: and (4) performing color change prompt corresponding to the overproof nutrient data, and displaying the overproof nutrient data to remind a user.
Referring to fig. 7, a flow chart of a dining speed program is shown, wherein the flow chart of the user dining speed program is as follows:
(3.1) initialization: the program initializes the processor peripheral equipment, including initializing a timer, wherein the timer is used for timing.
And (3.2) weighing five paths in real time.
(3.3) whether the recommended dining speed and the dining starting instruction are received: and (3.4) if the corresponding data and instructions are received.
And (3.4) starting counting of the timer.
(3.5) weighing the weight of the food remaining in the plate in real time.
(3.6) meal speed monitoring module algorithm: if the module algorithm judges that the dining speed of the user is too high, the dining speed Flag bit Eat _ Flag is 1, otherwise, the returned data Eat _ Flag is 0.
(3.7) whether the meal speed Eat _ Flag is true or not 1: and obtaining the Eat _ Flag value of the eating speed Flag bit from the eating speed monitoring algorithm module for judgment.
(3.8) reminding the dining speed: the user is reminded to slow down the dining speed through the buzzer and the text prompt.
And (3.9) whether a meal ending instruction is received.
(3.10) calculating the total meal speed: after receiving the instruction of ending the meal, the program calculates the total time of the meal as tCamera shooting assemblyCalculating the weight of the meal as WCamera shooting assemblyThen, it is used this timeThe total speed of the meal is
And simultaneously, data is uploaded to the user terminal.
The dining speed monitoring module comprises the following algorithm steps:
(1) real-time calculation of t in each interval time periodPhotographic studioTotal weight of ingested food WInter-shooting assemblyAnd the weight W of food ingested in the dinner plate from the first to the fifthCamera room 1、WCamera room 2、WCamera room 3、WCamera room 4、WCamera room 5。
(2) Calculating tPhotographic studioVelocity V in timeInter-shooting assemblyAnd the speed V of the food to be taken in each dinner plateCamera room 1、VCamera room 2、VCamera room 3、VCamera room 4、VCamera room 5Wherein
(3) Judgment VInter-shooting assemblyWhether or not it is greater than VT-time totalIf not, returning to the dining speed Flag bit Eat _ Flag being 0, and if so, continuing to perform the step (4).
And judging whether the weight of the five-way dinner plate is less than or equal to zero, if so, carrying out two conditions, namely that the user eats the food in the plate, and that the user takes the food away from the weighing area of the dinner plate. If the weight of any position in the No. 1 to No. 5 dinner plate is less than or equal to zero, and t isPhotographic studioIf the speed in the time period is greater than the preset speed threshold value, the food at the dinner plate position is judged to be the user-side departure and is not caused by eating. For example, the weight W of the remaining balance of number 1 disc1SNo more than zero and No. 1 plate food intake speed VCamera room 1Greater than a predetermined terminal-off judging speed VSeparation chamber 1Then, the dining speed Flag bit Eat _ Flag is returned to 0. If the five dinner plates do not judge that the user end is away from the food, the dining speed Flag bit Eat _ Flag is returned to 1.
The invention embodies a number of methods and approaches to this solution and the foregoing is only a preferred embodiment of the invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be construed as the protection scope of the present invention. All the components not specified in the present embodiment can be realized by the prior art.
Claims (10)
1. An intelligent meal monitoring device is characterized by comprising a user terminal and an intelligent nutrition service plate analyzer;
the user terminal comprises a food database, wherein the food database comprises a plurality of selectable food categories; nutrient data corresponding to the unit weight of each food category is arranged in at least one of the food database or the intelligent nutrition service plate analyzer;
the intelligent nutrition dinner plate analyzer comprises a control processing module, a weighing module, an alarm prompting module, a wireless communication module and a plurality of dinner plates;
the wireless communication module is used for carrying out data and instruction communication with the user terminal;
the weighing module is used for weighing the weight of food in each dinner plate;
the control processing module is used for acquiring data of nutrient content of food in each dinner plate; the data for the nutrient content of the food in each plate was:
nutrient data per unit weight for each food category x weight of food within the plate;
if certain nutrient exceeds standard, the alarm prompting module gives an alarm.
2. The intelligent meal monitoring device of claim 1, wherein the weighing module weighs the weight of food in the meal tray in real time; the control processing module obtains the weight of the food ingested by the user according to the difference between the weight of the food in the dinner plate before the user has a meal and the weight of the food left during the meal, and calculates and obtains the amount of each nutrient ingested by the user according to the proportion of each nutrient in the food in each dinner plate and the weight of the ingested food;
the control processing module compares the nutrient data ingested by the user with a recommended threshold value, if the nutrient data ingested by the user is greater than the recommended threshold value, the condition that the nutrient ingested by the user exceeds the standard is judged, and the alarm prompting module gives an alarm.
3. The intelligent meal monitoring device of claim 1 or 2, further having a timer for timing, the timer counting when a meal starts; if the user eating too fast is judged, the alarm prompting module gives an alarm;
wherein t is calculated per interval periodPhotographic studioTotal weight of ingested food WInter-shooting assemblyAnd obtaining the dining speed V in each interval time periodInter-shooting assembly，
4. The intelligent meal monitoring device of claim 1 or 2, wherein the nutrient data per unit weight for each food category comprises nutrient data per unit weight for a single type of food and/or nutrient data per unit weight for a preset recipe of food.
5. The intelligent meal monitoring device of claim 4, wherein the nutrient data includes total energy, protein, carbohydrate, fat content.
6. A monitoring method using the intelligent meal monitoring device of claim 1, comprising the steps of:
(1) the user terminal is in pairing connection with the intelligent nutrition service plate analyzer in a wireless mode;
(2) selecting the catering from the food library by software at the user terminal, or selecting a preset menu templateGuiding in, corresponding each food to a corresponding dinner plate, and placing each food to the corresponding dinner plate when a user eats; wherein the foods in the food library and the recipe template library have data on the amount of each nutrient contained in each unit weight of the food; actual per unit weight is expressed here as per 100 g; after the user finishes catering, the user terminal sends data to the intelligent nutrition service plate analyzer; the data includes data on the amount of nutrients per unit weight contained in each meal tray and data on the recommended amount of nutrients the user has ingested at this meal, wherein the nutrients include total energy, protein, carbohydrate, fat; the total energy, protein, carbohydrate and fat of the food in the first tray per unit weight are respectively set as E1、P1、C1、F1The total energy, protein, carbohydrate and fat of the food in the second dish per unit weight are respectively E2、P2、C2、F2The total energy, protein, carbohydrate and fat of the food in the third dish per unit weight are respectively E3、P3、C3、F3The total energy, protein, carbohydrate and fat of the food in the four-size dish per unit weight are respectively E4、P4、C4、F4The total energy, protein, carbohydrate and fat of the food in the fifth dish per unit weight are respectively E5、P5、C5、F5Setting the recommended amount of nutrients for the user to have a meal as TE、TP、TC、TF；
(3) Display dinner plate food weight and nutrients: the intelligent nutrition dinner plate analyzer is used for weighing and displaying food in the five-way dinner plate, and the weight of the food in the first dinner plate to the fifth dinner plate is W1、W2、W3、W4、W5；
Wherein the total energy E of all food in the dinner plateGeneral assemblyThe calculation method comprises the following steps:
protein P of all foods in dinner plateGeneral assemblyThe calculation method comprises the following steps:
carbohydrate C of all food in the dishGeneral assemblyThe calculation method comprises the following steps:
fat F of all food in the dinner plateGeneral assemblyThe calculation method comprises the following steps:
meanwhile, weighing data are uploaded to a user terminal in real time, and the user terminal can calculate and display nutrient data by adopting the same method;
(4) the user triggers to start eating at the user terminal and sends the data to the intelligent nutrition service plate analyzer, or triggers to start eating at the intelligent nutrition service plate analyzer through a touch key and uploads the data to the user terminal;
(5) and displaying the intake in real time: when a user eats, the LCD screens of the user terminal and the intelligent nutrition dinner plate analyzer display nutrient intake data, and the residual food weights measured in real time in the first to fifth dinner plates are respectively W1S、W2S、W3S、W4S、W5S；
Wherein the total energy E ingested by the userIntake ofThe calculation method comprises the following steps:
amount of protein P ingested by the userIntake ofThe calculation method comprises the following steps:
amount of carbohydrates C ingested by the userIntake ofThe calculation method comprises the following steps:
amount of fat F ingested by the userIntake ofThe calculation method comprises the following steps:
(6) the user terminal and/or the intelligent nutrition service plate analyzer can remind the user whether the amount of each nutrient taken in exceeds the standard or not in real time; if certain nutrient exceeds the standard, alarming; if the dining speed exceeds the standard in the dining process, the alarm is given;
(7) and (4) finishing the meal: the user can trigger the intelligent nutrition service plate analyzer or the user terminal to finish the meal, the real-time calculation is stopped at the moment, and the intelligent nutrition service plate analyzer transmits meal data to the user terminal;
(8) displaying and recording: after finishing eating, the user terminal displays the nutrient data finally taken by the user at the meal, and stores and records the data.
7. The monitoring method according to claim 6, wherein the program flow of calculating data showing nutrient intake in real time is as follows:
(1.1) five ways of real-time weighing: weighing the food in the first to fifth dinner plates in real time, displaying the data on an LCD screen of an intelligent nutrition dinner plate analyzer in real time, and simultaneously transmitting the data to a user terminal through wireless transmission, wherein the user terminal can also synchronously display the data in real time;
(1.2) whether the nutrient proportion and the recommended data are received: after the user terminal matches the dishes from one to five, the proportion of each nutrient contained in the food in each dish is obtained from the database, meanwhile, recommended amount data of the ingested nutrient are preset, and the data are transmitted to the intelligent nutrient dish analyzer in a wireless communication mode; if the intelligent nutrition dinner plate analyzer receives the data, the step (1.3) is carried out, if the data are not received, the first step is continued, and only the weight in the dinner plate is displayed;
(1.3) calculate the nutrient content of all food in the dish: calculating the total amount of each nutrient in the dinner plate according to the weight of the food in the dinner plate and the received nutrient proportion data, and simultaneously uploading the data to a user terminal;
(1.4) whether a meal start instruction is received: the user terminal and the intelligent nutrition service plate analyzer can both trigger a meal starting instruction, once the meal starting instruction is received, the program executes the step (1.5), otherwise, the step (1.3) is continued;
(1.5) nutrient algorithm and reminding program: calculating the data of each nutrient ingested by the user in real time, judging whether the ingestion of each nutrient exceeds the standard or not, uploading the data to a user terminal, and synchronously displaying the data;
(1.6) whether a meal ending instruction is received: the user terminal and the intelligent nutrition service plate analyzer can both trigger the dining ending instruction, once the dining ending instruction is received, nutrient data are not calculated, and the result is uploaded to the user terminal.
8. The method of claim 7, wherein the nutrient algorithm and reminder process flow is as follows:
(2.1) weighing the weight of the food in the dinner plate in real time;
(2.2) calculating the weight of the ingested food in real time: obtaining the weight of food ingested by the user according to the difference between the weight of the food in the dinner plate before the user has a meal and the weight of the food left during the meal;
(2.3) calculating the amount of each nutrient taken in by the user in real time: calculating to obtain the amount of each nutrient taken in by the user according to the proportion of each nutrient of the food in each dinner plate and the weight of the taken food;
(2.4) judging whether the ingested nutrients exceed the threshold value: comparing the data of each nutrient taken in with a recommended threshold value, and if the data of each nutrient taken in is greater than the recommended threshold value, judging that the nutrient taken in by the user exceeds the standard;
(2.5) alarming and reminding after exceeding the standard;
(2.6) marking the data corresponding to the intake exceeding standard in red and marking the data exceeding standard: and (4) performing color change prompt corresponding to the overproof nutrient data, and displaying the overproof nutrient data to remind a user.
9. The monitoring method of claim 7, wherein the user meal speed program flow is as follows:
(3.1) initialization: the program initializes the processor peripheral equipment, including initializing a timer, wherein the timer is used for timing;
(3.2) weighing in real time;
(3.3) whether the recommended dining speed and the dining starting instruction are received: if the corresponding data and the instruction are received, the step (3.4) is carried out;
(3.4) start of timer counting;
(3.5) weighing the weight of the food remained in the dinner plate in real time;
(3.6) meal speed monitoring module algorithm: if the module algorithm judges that the dining speed of the user is too high, marking by using a dining speed Flag bit Eat _ Flag, otherwise, not marking, if the marking is carried out, assigning the Eat _ Flag to be 1, and if the marking is not carried out, assigning the Eat _ Flag to be 0;
(3.7) whether the meal speed flag bit is marked: obtaining a dining speed Flag bit Eat _ Flag value from a dining speed monitoring algorithm module for judgment;
(3.8) reminding the dining speed: an alarm reminds the user of slowing down the dining speed;
(3.9) whether a meal ending instruction is received;
(3.10) calculating the total meal speed: after receiving the instruction of ending the meal, the program calculates the total time of the meal as tCamera shooting assemblyCalculating the weight of the meal as WCamera shooting assemblyThen the total speed of this meal is
And simultaneously, data is uploaded to the user terminal.
10. The monitoring method of claim 9, wherein the dining speed monitoring module algorithm steps are as follows:
(4.1) calculating t in real time in each interval time periodPhotographic studioTotal weight of ingested food WInter-shooting assemblyAnd the weight W of food ingested in the dinner plate from the first to the fifthCamera room 1、WCamera room 2、WCamera room 3、WCamera room 4、WCamera room 5；
(4.2) calculating tPhotographic studioVelocity V in timeInter-shooting assemblyAnd the speed V of the food to be taken in each dinner plateCamera room 1、VCamera room 2、VCamera room 3、VCamera room 4、VCamera room 5Wherein
(4.3) judgment of VInter-shooting assemblyWhether or not it is greater than VT-time totalIf the meal speed Flag bit Eat _ Flag is not greater than 0, returning to the meal speed Flag bit Eat _ Flag, and if the meal speed Flag bit Eat _ Flag is greater than 0, continuing to perform the step (4.4);
(4.4) judging whether the weight of the five-way dinner plate is less than or equal to zero, if the weight of any position in the first dinner plate to the fifth dinner plate is less than or equal to zero, and tPhotographic studioIf the speed in the time period is greater than the preset speed threshold value, the food at the dinner plate position is judged to be the user-side departure and is not caused by eating; if the five dinner plates do not judge that the user end is away from the food, the dining speed Flag bit Eat _ Flag is set to 1.
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