CN114594698B - Intelligent child dining chair based on pressure detection and control method thereof - Google Patents
Intelligent child dining chair based on pressure detection and control method thereof Download PDFInfo
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- CN114594698B CN114594698B CN202210211067.4A CN202210211067A CN114594698B CN 114594698 B CN114594698 B CN 114594698B CN 202210211067 A CN202210211067 A CN 202210211067A CN 114594698 B CN114594698 B CN 114594698B
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Classifications
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47D—FURNITURE SPECIALLY ADAPTED FOR CHILDREN
- A47D1/00—Children's chairs
Abstract
The invention belongs to the technical field of children supplies, and particularly relates to an intelligent child dining chair based on pressure detection and a control method thereof. The intelligent child dining chair comprises a chair seat, a chair seat and a chair seat, wherein the chair seat is used for bearing a child with dining; the tableware bearing piece is connected with the chair seat and is used for bearing tableware of children; the pressure detection module is used for detecting the pressure acting on the seat; the dining auxiliary module is used for assisting children to eat; and the control circuit is respectively and electrically connected with the pressure detection module and the meal auxiliary module and is used for controlling the meal auxiliary module to assist children in meal according to the detection signals. The control method of the intelligent child dining chair based on pressure detection comprises the following steps: s1: acquiring pressure information acting on the seat; s2: obtaining dining state information of the child according to the pressure information; s3: and assisting the child in dining according to the dining state information. The invention can improve the dining habit of children and help children to eat healthily.
Description
The application is a divisional application of an invention patent application with application number 2020112055814, which is filed on 11/02/2020 and has the invention name of an intelligent child dining chair and an intelligent child dining chair control method.
Technical Field
The invention relates to the technical field of children supplies, in particular to an intelligent child dining chair based on pressure detection and a control method thereof.
Background
When a child is dining, due to the relationship of the height of the child, the child cannot directly use the dining table of the adult for dining, so that a special child dining chair is often used for replacing the dining table. Because children have low self-discipline and have slow dining, the phenomenon that children eat cold rice and cold dishes often occurs, and the dining process is often interrupted because of the lack of concentration, so that the children are not beneficial to the health of the children. When the current dining chairs for children cannot help children to eat healthily.
Disclosure of Invention
In view of the above, the invention provides an intelligent child dining chair based on pressure detection and a control method thereof, which are used for solving the technical problem that the prior art cannot help children to eat healthily.
The technical scheme adopted by the invention is as follows:
in a first aspect, the present invention provides an intelligent child dining chair based on pressure detection, comprising:
a seat for carrying a child having a meal;
a tableware carrier connected with the chair seat, wherein the tableware carrier is used for carrying tableware for dining;
the pressure detection module is arranged on the seat and is used for detecting the pressure acting on the seat;
The dining auxiliary module is used for assisting children to eat;
the control circuit is respectively and electrically connected with the pressure detection module and the meal auxiliary module and is used for controlling the meal auxiliary module to assist children in meal according to detection signals of the pressure detection module; the child dining system also comprises an image acquisition module, wherein the image acquisition module is electrically connected with the control circuit and is used for acquiring images of children dining;
and when the score exceeds a certain set value, the image is stored as a snap shot image.
Preferably, the dining auxiliary module comprises a food heating sub-module, the food heating sub-module is arranged on the tableware bearing piece, and the control circuit is used for acquiring dining state information of children according to a detection signal of the pressure detection module and controlling the food heating sub-module to heat food according to the dining state information; the dining auxiliary module further comprises an audio and/or video sub-module, the audio and/or video sub-module is connected with the control circuit, and the control circuit is further used for controlling the audio and/or video sub-module to play audio and/or video according to the detection signal of the pressure detection module.
Preferably, when the control circuit judges that the child begins to eat, the food heating sub-module is controlled to start working, and when the control circuit judges that the child ends to eat, the food heating sub-module is controlled to stop working; the child dining state information comprises dining starting time and dining ending time, the complete dining time of the child is counted according to the dining starting time and the dining ending time, dining time data of the child are obtained through counting the dining time of the child for many times, and big data analysis is carried out on the dining time data of the child and the standard dining time of the child so as to judge whether the dining time of the child meets the requirements.
Preferably, the facial motion of the child at the meal is detected, and the time of chewing food, the frequency of chewing, and the time of rest after chewing food at the meal of the child are detected by the facial motion.
Preferably, statistics is carried out on information of the dining and chewing food of the children, whether the dining and chewing food of the children is normal or not is judged according to the statistics information, and the information of the dining and chewing food of the children comprises the time of the dining and chewing food of the children, the frequency of chewing and the time of rest after the chewing of the food, which are obtained by detecting the facial actions of the children during the dining; judging the dining speed of the children according to the information of the chewed food, and controlling the heating temperature according to the dining speed.
Preferably, the surface of the cutlery carrier is provided with a placement groove or receiving cavity matching the cutlery shape.
Preferably, the camera also comprises an adjusting device, wherein the image acquisition module is arranged on the adjusting device, and the shooting position and the shooting angle of the image acquisition module are adjusted in real time through the adjusting device.
In a second aspect, the invention also provides a control method of the intelligent child dining chair based on pressure detection, which comprises the following steps:
s1: acquiring pressure information acting on the seat;
s2: obtaining dining state information of the child according to the pressure information;
s3: and assisting the child in dining according to the dining state information.
Preferably, the method further comprises the following steps:
s01: acquiring a photographing instruction;
s02: and photographing the dining child according to the photographing instruction.
Preferably, the method further comprises the following steps:
s101: acquiring pressure values before and after dining of the child;
s102: acquiring food intake of the meal of the child according to the pressure values before and after the meal of the child;
s103: obtaining a reference food intake;
s104: comparing the food intake of the meal by the child with a reference food intake;
S105: identifying an expression of the meal for the child if the food intake of the meal for the child is less than the reference food intake;
s106: obtaining food types which are eaten when the children have aversion expressions and are marked as foods to be replaced;
s107: acquiring the nutritional ingredients of the food to be replaced;
s108: and obtaining foods similar to the business components of the foods to be replaced as substitute foods according to the nutritional components of the foods to be replaced.
The beneficial effects are that: according to the intelligent child dining chair based on pressure detection and the control method thereof, the pressure detection module is used for detecting the pressure acting on the chair seat, and the control circuit is used for analyzing and processing the detected pressure, so that whether the child is dining on the intelligent child dining chair based on pressure detection or whether the child leaves the intelligent child dining chair based on pressure detection is judged rapidly and accurately, and the dining state of the child is judged. After the control circuit analyzes the dining state of the child, the auxiliary schemes capable of helping the child to eat can be selected according to the actual dining state of the child, and the dining auxiliary module in the embodiment is controlled to assist the dining process of the child according to the selected auxiliary schemes, so that the dining habit of the child is improved, and healthy dining of the child is helped.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described, and it is within the scope of the present invention to obtain other drawings according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a three-dimensional structure diagram of an intelligent child dining chair based on pressure detection in embodiment 1 of the invention;
FIG. 2 is a block diagram of the intelligent child dinning chair based on pressure detection in embodiment 1 of the present invention;
FIG. 3 is a block diagram showing two sub-modules including a dining auxiliary module in embodiment 1 of the present invention;
FIG. 4 is a block diagram of the intelligent child dinning chair based on pressure detection in embodiment 2 of the present invention;
FIG. 5 is a block diagram of a pressure detection based intelligent child dinning chair incorporating a power source in accordance with an embodiment of the invention;
FIG. 6 is a flow chart of the intelligent child dining chair control method based on pressure detection according to embodiment 3 of the present invention;
FIG. 7 is a flow chart of the invention for obtaining a meal status of a child based on pressure information;
FIG. 8 is a flow chart of the invention for heating food according to a meal status;
FIG. 9 is a flow chart of playing audio and/or video signals according to the dining state of the present invention;
FIG. 10 is a flow chart of the invention for capturing a child meal highlight image;
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. In the description of the present invention, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises the element. If not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other, which are all within the protection scope of the present invention.
Example 1:
as shown in fig. 1 and 2, embodiment 1 of the present invention discloses an intelligent child dining chair based on pressure detection, comprising: a seat, a tableware carrier 2, a pressure detection module and a dining auxiliary module. The seat 1 is used for bearing a child having a meal; the tableware carrier 2 is connected with the chair seat 1, and the tableware carrier 2 is used for carrying tableware of children; the pressure detection module is arranged on the seat 1 and is used for detecting the pressure acting on the seat 1; the dining auxiliary module is used for assisting children to dining; the control circuit is respectively and electrically connected with the pressure detection module and the meal auxiliary module, and is used for controlling the meal auxiliary module to assist children to eat according to detection signals of the pressure detection module.
The seat can play a supporting role as the intelligent child dining chair main body structure based on pressure detection in the embodiment. On the one hand, the child sits on the seat when eating, and the seat bears the weight of the child. On the other hand, the cutlery carrier 2 and the functional components of the dining aid module etc. may be mounted on the aforesaid seat. The foregoing dish carrier 2 is mainly used for placing dishes for children to eat, such as rice bowls, lunch boxes, spoons, chopsticks, etc. In order to facilitate placement of the cutlery, the cutlery carrier 2 may be of a flat plate-like construction, for example a carrier plate, and a number of placement grooves or receiving cavities matching the outer shape of the cutlery may be provided on the surface of the cutlery carrier 2, so that different cutlery can be reliably placed in different positions of the cutlery carrier 2. In this embodiment, the dish carrier 2 may be integrally disposed with the dish, or may be separately disposed with the dish. The embodiment is also provided with a support 3 below the seat 1 to support the entire dining chair
The control circuit plays a role in overall control in the device, and the control circuit can be a central processing unit (Central Processing Unit, CPU), other general purpose processors, a single chip microcomputer, ARM, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), an off-the-shelf programmable gate array (Field-Programmable Gate Array, FPGA), other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components and the like. The control circuit in this embodiment is on the one hand connected to detection means, such as a pressure detection module, for detecting the meal status of the child, so that the information of the meal of the child is obtained via these detection means. On the other hand, the control circuit and the meal assist module in the present embodiment are used to control the meal assist module to perform meal assist operation.
Wherein the pressure detection module may employ one or more pressure sensors mounted in place on the seat 1 where the child sits when sitting in a meal, for example in a position under the buttocks of the child when sitting. When no child is eating on the intelligent child dining chair based on pressure detection of the present embodiment, the pressure value detected by the pressure sensor is close to zero and remains almost unchanged. When a child sits on the intelligent child dining chair based on pressure detection of the embodiment to prepare for dining, the pressure value detected by the pressure sensor will change. The pressure value detected by the pressure sensor also changes when the child leaves the child dinning chair. The pressure value detected by the pressure sensor will also be close to zero for a long period of time when the child leaves the dining chair for more than a certain time. The pressure value detected by the pressure sensor and the change of the pressure value can form pressure information about the seat, and the control circuit can rapidly and accurately judge whether the child is dining on the intelligent child dining chair based on the pressure detection or whether the child leaves the intelligent child dining chair based on the pressure detection through analyzing and processing the pressure information, so that the dining state of the child is judged. After the control circuit analyzes the dining state of the child, the auxiliary schemes capable of helping the child to eat can be selected according to the actual dining state of the child, and the dining auxiliary module in the embodiment is controlled to assist the dining process of the child according to the selected auxiliary method, so that the dining habit of the child is adjusted, and the child can eat healthily.
As shown in fig. 3, in this embodiment, the aforementioned meal auxiliary module includes a food heating sub-module, the food heating sub-module is mounted on the tableware carrier 2, and the control circuit is configured to obtain meal status information of the child according to the detection signal of the pressure detection module, and control the food heating sub-module to heat the food according to the meal status information.
The food heating sub-module may employ existing heating means, such as resistance wire heating, electromagnetic heating, hot water heating, chemical reaction heating, etc., without limitation. The food heating sub-module may be mounted on the cutlery carrier 2. So that the food heating sub-module can rapidly and conveniently heat the food when the food or the cutlery containing the food is placed on the cutlery carrier 2. The food heating sub-module is electrically connected with the control circuit, and the heating state of the food heating sub-module is controlled by the control circuit. The control circuit can control the food heating submodule to heat food according to the analyzed dining condition of the child. For example, when the control circuit judges that the child begins to eat, the food heating sub-module is controlled to start working so as to ensure the food temperature during the meal, and when the control circuit judges that the child ends to eat, the food heating sub-module can be controlled to stop working.
As shown in fig. 3, in this embodiment, the dining auxiliary module further includes an audio and/or video sub-module, where the audio and/or video sub-module is electrically connected to the control circuit, and the control circuit is further configured to control the audio and/or video sub-module to play audio and/or video according to a detection signal of the pressure detection module. The audio and/or video sub-modules may include an audio sub-module and a video sub-module. The audio sub-module can play prompt voice, music, a child song and the like. The video module may play some video content that children like. The audio and/or video sub-module can be directly installed on the intelligent child dining chair based on pressure detection, or can be arranged separately from the intelligent child dining chair based on pressure detection. The audio and/or video sub-modules may be wired to the control circuitry or may be wirelessly connected to the control circuitry. For example, an intelligent sound box in the intelligent home can be used as an audio sub-module of the intelligent child dining chair based on pressure detection in the embodiment, and the control circuit remotely controls the intelligent sound box to send out corresponding audio information in a wireless communication mode. The control circuit can control the audio and/or video sub-module to play the audio and/or video according to the analyzed dining condition of the child. For example, when the control circuit judges that the child leaves the seat, prompt tones and pacifying music can be automatically played to attract the child to sit down and continue to eat.
Example 2
As shown in fig. 4, this embodiment is further improved on the basis of the foregoing embodiment, and the intelligent child dining chair based on pressure detection in this embodiment further includes an image acquisition module, where the image acquisition module is electrically connected to the control circuit, and the image acquisition module is used to acquire images of dining of the child.
In this embodiment, the image capturing module may be an electronic device or apparatus having a video capturing function, such as a camera, a video camera, or the like. These electronic equipment or device with video acquisition function install on children's intelligent dining chair, can set for image acquisition module mounted position and angle, make it can shoot the facial expression of children when dining. The intelligent child dining chair based on pressure detection can be further provided with an adjusting device, an image acquisition module is arranged on the adjusting device, the shooting position and the shooting angle of the image acquisition module are adjusted in real time through the adjusting device, and the image acquisition module can shoot facial expressions of children when dining when the children with different body types are in different postures. The control circuit can automatically detect the video image of the image acquisition module, and select and store the image with better effect, thereby recording the wonderful moment of dining for children.
In addition, the image acquisition module can also adopt the installation mode that separates with intelligent children's dining chair based on pressure detection, adopts the aforesaid mode can the image acquisition module arrange around the dining chair. For example, one or more cameras may be mounted near or around the dining chair so that the child may be photographed from different positions and at different angles. When the mode is adopted, the image acquisition module and the control circuit can be connected in a wireless mode, so that the arrangement position of the image acquisition module is not limited by a connecting wire, and the image acquisition module can be arranged at the most reasonable position.
In this embodiment, the control circuit may perform face detection on the image information collected by the image collecting module to detect whether there is a child face image in the image, and may further perform expression recognition on the child's face after detecting the image with the child's face, and may determine the mood of the child when dining according to the facial expression recognition result.
In addition, the intelligent child dining chair based on pressure detection in the embodiment further comprises a sound collection module, and the sound collection module is electrically connected with the control circuit. The sound collection module and the image collection module can be integrated into a sound-video screen collection module with sound and image collection functions. The control circuit can also perform voice recognition, namely, the appointed voice signal can be recognized, and after the appointed voice signal is recognized, the control circuit controls the image acquisition module to take a picture and stores the taken picture.
In addition, the intelligent child dining chair based on pressure detection of the embodiment further comprises a communication module, wherein the communication module can be used for communication between each module or functional component in the intelligent child dining chair based on pressure detection and can also be used for communication between the intelligent child dining chair based on pressure detection and other electronic equipment. The aforementioned electronic devices may be digital mobile phones (cell phones), personal computers, tablet computers, smart wearable devices (smart watches, smart bracelets), smart home appliances (smart televisions, smart television boxes, smart air conditioners, smart refrigerators, smart dressing mirrors, smart speakers, smart sockets), and the like. The communication module may be a wired communication module or a wireless communication module. Through the communication module, the video information of the dining of the children and the information such as the dining state of the children can be sent to the remote electronic equipment, so that the user can know the dining condition of the children conveniently at any time without being limited by the distance. In order to facilitate the operation of the user, a corresponding software program can be installed in the terminal, for example, an APP is installed in a mobile phone, and the user receives the dining information of the child through the corresponding APP program or knows the current dining condition of the child by looking at the current picture of the camera. The user can also utilize the electronic device to send a control instruction to the control circuit of the intelligent child dining chair based on pressure detection in the embodiment, and the control circuit controls the intelligent child dining chair based on pressure detection. Thus, the user can remotely control the intelligent child dining chair based on the pressure detection to help the child to eat, for example, the food heating sub-module of the intelligent child dining chair based on the pressure detection is controlled to preheat food before the child begins to eat, so that the child can eat warm food as soon as the child eats the meal, for example, music playing which the child likes is selected, for example, the child is communicated with the child through the audio and/or video sub-module, the child is guided to eat the meal, and the like. As shown in fig. 4, the intelligent child dining chair based on pressure detection of the present embodiment further includes a power module for providing electric power to the intelligent child dining chair based on pressure detection, as shown in fig. 5.
Example 3
As shown in fig. 6, the method for controlling the intelligent child dining chair based on pressure detection according to the embodiment comprises the following steps:
s1: acquiring pressure information acting on the seat 1;
the pressure information comprises the pressure value on the dining chair, the duration time of the pressure on the dining chair within a certain range, and the pressure on the dining chair can be changed. For example, when no child is eating on the intelligent child dining chair based on pressure detection of the present embodiment, the pressure value detected by the pressure sensor is near zero and remains almost unchanged. When a child sits on the intelligent child dining chair based on pressure detection of the embodiment to prepare for dining, the pressure value detected by the pressure sensor will change. The pressure value detected by the pressure sensor also changes when the child leaves the child dinning chair. The pressure value detected by the pressure sensor will also remain around zero for a long period of time when the child leaves the dining chair for more than a certain period of time.
S2: obtaining dining state information of the child according to the pressure information;
as shown in fig. 7, in this embodiment, the foregoing status information of the child meal includes a meal start time and a meal end time, and the time information of the child meal is obtained according to the pressure information, and specifically includes the following steps:
S21: detecting whether a pressure change acting on the dining chair meets a first condition;
wherein the first condition may be that the pressure value acting on the dining chair exceeds a first threshold value and the duration of exceeding the first threshold value exceeds a second threshold value. Wherein the first threshold is a pressure value which will exert a certain pressure on the dining chair when the child sits on the dining chair, so that the first threshold can be set according to the magnitude of the pressure value exerted on the dining chair by the child sitting on the dining chair. When the child sits on the dining chair and is ready to eat, the pressure acting on the dining chair not only exceeds the first threshold value, but also keeps a state exceeding the first threshold value, and the embodiment sets a time length as the second threshold value to judge whether the state that the pressure value acting on the dining chair exceeds the first threshold value is an accidental state or a state which can be kept for a period of time. In order to shorten the determination time, the first condition may be that the pressure is increased by a certain magnitude as compared with the previous pressure;
S22: recording the moment when the pressure change meets a first condition as meal starting moment;
when the pressure change meets the first condition, the control circuit can judge that the child is already seated on the seat 1, the dining state information of the child is the starting dining, and the control circuit records the time point when the pressure change meets the first condition as the starting time point of the dining of the child.
S23: detecting whether a pressure change acting on the dining chair meets a second condition;
and after the control circuit judges that the dining state of the child is in the beginning of dining, continuously checking the pressure acting on the dining chair, analyzing the pressure change acting on the dining chair, and judging that the dining of the child is finished when the pressure change meets a certain condition, namely the second condition. Wherein the second condition may be that the pressure acting on the dining chair is lost or that the pressure value is below a third threshold value and that the duration of the pressure loss or the pressure value being below the third threshold value exceeds a fourth threshold value. The third threshold is a pressure value that can be determined based on the detected value of the pressure sensor when the intelligent child dinning chair is sitting without a child based on the pressure detection. And the fourth threshold value is a time length value, and the control circuit judges that the child has left the dining chair and does not continue to eat when the pressure on the dining chair is lost or when the duration of the pressure value below the third threshold value exceeds the fourth threshold value, i.e. the dining state of the child is in an end dining state. By adopting the mode, the condition that the pressure fluctuation is lower than the third threshold value due to external accidental factors can be effectively eliminated, and the condition that the child returns to the meal after the middle meal is interrupted can also be eliminated, so that the accuracy of whether the infant takes the meal on the dining chair can be remarkably improved. The second condition may also be that the pressure acting on the dining chair is lost or that the pressure value is below a third threshold value and that the duration of the pressure loss or the pressure value below the third threshold value exceeds a fourth threshold value and that the pressure change acting on the cutlery carrier 2 exceeds an eighth threshold value. The control circuit detects a pressure change acting on the cutlery carrier 2 when the pressure on the dining chair has disappeared or when the duration of the pressure value below the third threshold exceeds said fourth threshold, and detects a pressure change exceeding a certain range, i.e. an eighth threshold, indicating that the amount of food consumed in the meal by the child has reached a standard, and that no further meal is needed, and determines whether the meal by the child has ended or not by using the aforementioned conditions, so as to ensure the amount of food consumed by the child, thereby helping the child to eat a meal healthier. Wherein the second condition may also be a pressure to restore an initial value before the child sits. When the judging condition is adopted, the control circuit can start timing at the meal starting time, when the pressure sensor detects that the pressure value is recovered to the initial value, and the duration exceeds a certain time, the children are judged to finish the meal, the meal timing is finished, and the waiting time is subtracted to obtain the actual meal time of the children.
S24: recording the moment when the pressure change meets the second condition as the meal ending moment.
When the pressure change meets the second condition, the control circuit can judge that the child leaves the seat 1 and does not return to eat any meal, and the meal status information of the child is the meal ending time point, and the control circuit records the time point when the pressure change meets the second condition as the meal ending time point of the child.
S3: and assisting the child in dining according to the dining state information.
After the controller obtains the dining state information of the children, real-time and accurate assistance can be carried out on the dining of the children according to the dining state information.
As shown in fig. 8, wherein assisting the child to eat according to the time information of the meal comprises the following steps.
S311: heating the food according to the meal starting time;
after the control circuit determines the meal starting time of the child, the food heating sub-module is controlled to start to work so as to heat the food, so that the child can eat warm food in the meal process, and the child is helped to eat healthier.
S312: and stopping heating the food according to the meal finishing moment.
The control circuit controls the food heating sub-module to stop heating the food after determining the meal end time of the child.
According to the embodiment, the pressure information of the seat 1 is utilized to determine the dining state of the child through the control method, then the food is accurately heated according to the dining state, and the food can be continuously heated and kept warm in the dining time of the child, so that the child can eat the food with proper temperature in the whole dining process.
Further, as shown in fig. 9, at S22: recording whether the pressure change satisfies the first condition as a meal start time further includes:
s221: detecting whether a pressure change acting on the dining chair meets a third condition;
and after the control circuit judges that the dining state of the child is in the dining state, the pressure acting on the dining chair is continuously checked, the pressure change acting on the dining chair is analyzed, and when the pressure change meets a certain condition, namely the third condition, the seat 1 of the child in the middle of dining is judged. Wherein the third condition may be that the pressure acting on the dining chair is lost or that the pressure value is below a fifth threshold value and that the duration of the pressure loss or the pressure value below the fifth threshold value exceeds a sixth threshold value. The fifth threshold is a pressure value that can be determined based on a detection value of the pressure sensor when the intelligent child dinning chair is sitting without a child based on the pressure detection. And the sixth threshold is a time length value, and the control circuit judges that the child temporarily leaves the dining chair when the pressure on the dining chair is lost or the duration of the pressure value below the fifth threshold exceeds the sixth threshold, and the dining state of the child is in a dining interruption state. In addition, the present embodiment may further provide a pressure sensor on the dish carrier 2 to detect the weight of the food, wherein the third condition may be that the pressure acting on the dining chair is lost or the pressure value is below a fifth threshold value, and the duration of the pressure loss or the pressure value below the fifth threshold value exceeds a sixth threshold value, and the pressure change acting on the dish carrier 2 is below a seventh threshold value. The control circuit may determine that the child has left the seat 1 but the amount of food reduction is insufficient, indicating that the child is eating insufficient, when it may determine that the child has left the seat 1 but the child has not completed dining.
The S3: the meal of the children is assisted according to the meal time information, and the meal comprises the following steps of:
s321: generating a trigger signal when the pressure change satisfies a third condition;
when the pressure change satisfies a third condition, the control circuit determines that the child is leaving during the meal, and the control circuit may generate a trigger signal indicating that the child is leaving during the meal.
S322: the control circuit generates a control signal according to the trigger signal;
the control circuit can generate corresponding control signals according to the trigger signals, and each functional component of the intelligent child dining chair based on pressure detection is controlled to intervene in the condition that the child leaves midway during dining.
S323: and playing the audio and/or video according to the control signal.
When the control circuit determines that the child is partway away from the meal, the audio and/or video sub-module can be controlled to play relevant audio or video content to attract the child or remind the child to return to the dining chair for dining, for example, playing pacifying music to attract the child to return to the dining chair for dining.
The embodiment can also count the complete meal time of the children according to the meal starting time and the meal ending time. Through counting the dining time of the children for a plurality of times, the dining time data of the children can be obtained. The child dining time data and the standard child dining time can be subjected to big data analysis so as to judge whether the child dining time meets the requirements or not, and further judge whether the child dining habit is healthy and the health degree of the dining habit. The health degree of the eating habit is judged according to the times that the length of the eating time exceeds the standard length of time. The dining of the children can be assisted and guided according to the targeted selection of the health degree of the dining habit. In addition, the dining time of the children when eating different kinds of dishes can be counted, and the part of dishes with shorter dining time can be selected as favorite products of the children. The dining time of the children when playing different music can be counted, the music corresponding to the normal dining time is screened out, the music which is liked by the children is used as music which is played when the children subsequently eat the music.
As shown in fig. 10, the control method of the present embodiment further includes the steps of:
s4: acquiring an image of a meal of a child;
when the control circuit judges that the child starts to take meals on the seat 1 according to the pressure information, the image acquisition module can be controlled to shoot scenes when the child takes meals.
S5: detecting whether the image has face features or not;
the control circuit automatically detects the shot image, and judges whether the face of the child is shot or not by detecting whether the face features exist in the image.
S6: and if the face features exist in the image, evaluating whether the image quality meets a fourth condition.
The taken picture can be evaluated when there is a child's face in the image. The aforementioned fourth condition may be whether the face shielding degree satisfies the requirement, whether the image clarity degree satisfies the requirement, and whether there is a backlight. The image may be scored according to the foregoing requirement, and when the score exceeds a certain set value, it is determined that the image quality satisfies the fourth condition.
S7: and if the fourth condition is met, saving the image.
The control circuit selects the images meeting the quality requirements to be stored as snap images so as to be convenient for a user to check. In addition, the selected image can be sent to electronic equipment such as a mobile phone and the like through the communication module.
In addition, the children meal image can be snap shot through the following steps:
s01: acquiring a photographing instruction;
s02: and photographing the dining child according to the photographing instruction.
The photographing instruction can be sent to the intelligent child dining chair based on pressure detection through other electronic equipment, and photographing can be controlled through voice. When photographing in a voice mode, the method comprises the following steps:
s011: acquiring voice information;
s012: and converting the voice information to obtain a corresponding photographing instruction.
In this embodiment, the control circuit may further perform facial detection and expression recognition functions on the image, and may determine the interest of the child in dining and the preference degree for the food consumed according to the facial expression during the child dining. For example, based on the recognition by the child that a certain food or foods are being consumed during a meal. For example, the number of times that a child has a happy facial expression is recognized when playing a certain or a few kinds of audio during a meal to judge the preference degree of the child for the music, and the music judged to have a high preference degree is automatically selected for playing during the subsequent meal.
In addition, the embodiment can also detect the facial motion of the child when the child eats, and detect the information such as the time of chewing food, the frequency of chewing, the time of rest after chewing food and the like when the child eats through the facial motion. And counting the information of the food chewed by the children, and judging whether the food chewed by the children is normal or not according to the counted information. The speed of the children eating can be judged according to the chewing information, and the heating temperature can be controlled according to the eating speed.
In addition, the embodiment can also identify the food eaten by the children in the acquired image and control the heating temperature according to the type of the food.
In addition, the embodiment further includes the following steps:
s101: acquiring pressure values before and after dining of the child;
s102: acquiring food intake of the meal of the child according to the pressure values before and after the meal of the child;
s103: acquiring food intake of the meal of the child according to the pressure values before and after the meal of the child;
s104: obtaining a reference food intake;
s105: comparing the food intake of the meal by the child with a reference food intake;
s106: identifying an expression of the meal for the child if the food intake of the meal for the child is less than the reference food intake;
s107: obtaining food types which are eaten when the children have aversion expressions and are marked as foods to be replaced;
s108: acquiring the nutritional ingredients of the food to be replaced;
s109: acquiring food similar to business components of the food to be replaced as replacement food according to the nutritional components of the food to be replaced;
the present embodiment detects the pressure values before and after a meal for a child, and detects the amount of food taken by the child based on the pressure values before and after the meal. At the same time, a reference standard food intake is obtained, and if the detected food intake by the child is smaller than the standard food intake, the food intake by the child is indicated to be insufficient. At the moment, the expression of the child in the dining process is identified, when the child is identified to have the aversion expression, the child takes the image through the camera to obtain the food eaten by the child at the moment, then the nutrition components of the food are analyzed, finally the food which is similar to the nutrition components of the food can be searched for as the substitute food through a network automatic searching mode, and the searched substitute food can be played and displayed through the audio and/or video sub-module.
The following describes, by way of a specific example, the control of an intelligent child dinning chair based on pressure detection during a child meal, the specific control process comprising:
a101, the system judges whether the monitoring data of the pressure sensor is changed or not;
a102, judging whether the child has a meal on the dining chair or not according to the result of the previous step;
a103, judging that a child has dinner, starting working the heating module and the camera module, wherein the heating module is used for heating an area where the cutlery box is placed, and the camera module shoots a child dining video;
a104, the system captures the instant when the child gets a meal;
a105, the system detects that the child leaves the 1 position of the dining chair seat, automatically plays audio, and attracts the child to sit for dining again;
a106, the system judges that the dining of the child is finished, and counts the time of the dining;
and in A107, no data change of the pressure sensor is detected, and no response is made when no meal is taken.
The following describes, with a specific example, a process of capturing a child with an intelligent child dining chair based on pressure detection during dining, where a capturing process specifically includes:
a201, shooting a dining video of the child by a camera;
a202, detecting and processing a video stream shot by a camera frame by a control module;
A203, judging whether the face features exist in the video image;
a204, evaluating the image quality of the current frame according to the conditions of the face shielding degree, the image definition degree, the backlight or not and the like, and scoring;
a205, the image is scored and qualified, and the current frame image is saved as a snap image;
a206, the system requirements are not met, and the response is not performed.
The following describes, in a specific example, a process of counting meal time during a meal of a child using an intelligent child dining chair based on pressure detection, the specific steps comprising
A301, the pressure sensor judges whether the pressure is changed or not;
a302, judging whether the pressure is applied or not according to the result of the previous step;
a303, further judging whether the pressure time of the sensor exceeds the default time, and starting meal timing if the pressure time exceeds the default time.
A304, the pressure sensor monitors the disappearance of the pressure;
a305, recording the pressure disappearance time;
a306, subtracting the pressure vanishing time length from the default time when the pressure vanishing time length is not exceeded, and continuing to time;
a307, the children finish dining, and the dining time is counted.
The following is an example of a process for reminding and playing music pacifying in the case of leaving the dining chair by using the intelligent child dining chair based on pressure detection in the present embodiment, and the specific steps include
A10, the pressure sensor judges whether the pressure is changed or not;
a20, judging whether the pressure is applied according to the result of the last step;
a30, continuously pressing for a period of time exceeding a certain time, and judging that the child begins to eat;
in A40, the pressure sensor detects the disappearance of the pressure;
a50, judging that the child leaves the seat, automatically playing audio, and attracting the child to return to the seat for dining;
in A60, the pressure sensor detects the pressure and judges that the child returns to the seat for dining;
and A70, after a certain time, the pressure is not detected yet, and the end of dining of the child is judged, and the playing of the audio is stopped.
The above is a detailed description of the intelligent child dining chair, the device, the equipment and the storage medium based on the pressure detection provided by the embodiment of the invention.
It should be understood that the invention is not limited to the particular arrangements and instrumentalities described above and shown in the drawings. For the sake of brevity, a detailed description of known methods is omitted here. In the above embodiments, several specific steps are described and shown as examples. However, the method processes of the present invention are not limited to the specific steps described and shown, and those skilled in the art can make various changes, modifications and additions, or change the order between steps, after appreciating the spirit of the present invention.
The functional blocks shown in the above-described structural block diagrams may be implemented in hardware, software, firmware, or a combination thereof. When implemented in hardware, it may be, for example, an electronic circuit, an Application Specific Integrated Circuit (ASIC), suitable firmware, a plug-in, a function card, or the like. When implemented in software, the elements of the invention are the programs or code segments used to perform the required tasks. The program or code segments may be stored on a machine readable medium or transmitted over a transmission medium or a communication link by a data signal carried by a carrier wave. A "machine-readable medium" may include any medium that can store or transfer information. Examples of machine-readable media include electronic circuitry, semiconductor memory devices, ROM, flash memory, erasable ROM (EROM), floppy disks, CD-ROMs, optical disks, hard disks, fiber optic media, radio Frequency (RF) links, and the like. The code segments may be downloaded via computer networks such as the internet, intranets, etc.
It should also be noted that the exemplary embodiments of the invention describe some methods or systems based on a series of steps or devices. However, the present invention is not limited to the order of the above-described steps, that is, the steps may be performed in the order mentioned in the embodiments, may be different from the order of the embodiments, or may be performed simultaneously.
In the foregoing, only the specific embodiments of the present invention are described, and it will be clearly understood by those skilled in the art that, for convenience and brevity of description, the specific working processes of the systems, modules and units described above may refer to the corresponding processes of the foregoing method embodiments, which are not repeated herein. It should be understood that the scope of the present invention is not limited thereto, and any equivalent modifications or substitutions can be easily made by those skilled in the art within the technical scope of the present invention, and they should be included in the scope of the present invention.
Claims (9)
1. Intelligent child dinning chair based on pressure detection, its characterized in that includes:
a seat for carrying a child having a meal;
a tableware carrier connected with the chair seat, wherein the tableware carrier is used for carrying tableware for dining;
the pressure detection module is arranged on the seat and is used for detecting the pressure acting on the seat;
the dining auxiliary module is used for assisting children to eat;
the control circuit is respectively and electrically connected with the pressure detection module and the meal auxiliary module, and is used for controlling the meal auxiliary module to assist children in meal according to detection signals of the pressure detection module;
When the face of the child exists in the image, the shot image is evaluated, the image is scored according to whether the face shielding degree meets the requirement, whether the image definition degree meets the requirement and whether backlight exists, and the image is saved as a snap shot image when the score exceeds a certain set value;
the facial motion of the child when eating is detected, and the time for the child to chew food, the frequency of chewing and the time for rest after chewing food are detected through the facial motion.
2. The intelligent child dining chair based on pressure detection of claim 1, wherein the dining auxiliary module comprises a food heating sub-module mounted on the tableware carrier, the control circuit is used for acquiring child dining state information according to a detection signal of the pressure detection module and controlling the food heating sub-module to heat food according to the child dining state information; the dining auxiliary module further comprises an audio and/or video sub-module, the audio and/or video sub-module is connected with the control circuit, and the control circuit is further used for controlling the audio and/or video sub-module to play audio and/or video according to the detection signal of the pressure detection module.
3. The intelligent child dining chair based on pressure detection according to claim 2, wherein the food heating sub-module is controlled to start working when the control circuit judges that the child starts to eat, and the food heating sub-module is controlled to stop working when the control circuit judges that the child ends to eat; the child meal state information comprises meal start time and meal end time, complete meal time of the child is counted according to the meal start time and the meal end time, meal time data of the child are obtained through counting the meal time of the child for many times, and big data analysis is carried out on the meal time data of the child and the standard meal time of the child so as to judge whether the meal time of the child meets the requirement.
4. The intelligent child dining chair based on pressure detection according to claim 1, wherein the information of the dining food of the child is counted, whether the dining food of the child is normal is judged according to the counted information, the information of the dining food of the child comprises the time of the dining food of the child, the frequency of the chewing, the time of rest after the chewing of the food, the speed of the dining of the child is judged according to the information of the chewing food, and the heating temperature is controlled according to the dining speed.
5. The intelligent child dinning chair based on pressure detection according to any one of claims 1 to 4, wherein the surface of the dish carrier is provided with a placement groove or receiving cavity matching the shape of the dish.
6. The intelligent child dining chair based on pressure detection according to any one of claims 1-4, further comprising an adjusting device, wherein the image acquisition module is mounted on the adjusting device, and the shooting position and the shooting angle of the image acquisition module are adjusted in real time through the adjusting device.
7. The control method of the intelligent child dining chair based on pressure detection according to any one of claims 1 to 6, characterized by comprising the following steps:
s1: acquiring pressure information acting on the seat;
s2: obtaining dining state information of the child according to the pressure information;
s3: and assisting the child in dining according to the dining state information.
8. The method for controlling a pressure detection-based intelligent child dining chair according to claim 7, further comprising the steps of:
s01: acquiring a photographing instruction;
s02: and photographing the dining child according to the photographing instruction.
9. The method for controlling a pressure detection-based intelligent child dining chair according to claim 7, further comprising the steps of:
S101: acquiring pressure values before and after dining of the child;
s102: acquiring food intake of the meal of the child according to the pressure values before and after the meal of the child;
s103: obtaining a reference food intake;
s104: comparing the food intake of the meal by the child with a reference food intake;
s105: identifying an expression of the meal for the child if the food intake of the meal for the child is less than the reference food intake;
s106: obtaining food types which are eaten when the children have aversion expressions and are marked as foods to be replaced;
s107: acquiring the nutritional ingredients of the food to be replaced;
s108: and obtaining foods similar to the business components of the foods to be replaced as substitute foods according to the nutritional components of the foods to be replaced.
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| CN112230570B (en) | 2022-04-01 |
| CN114594698A (en) | 2022-06-07 |
| CN112230570A (en) | 2021-01-15 |
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