Precise limiting water taking management system and method for water purifier

Abstract

The invention relates to the technical field of water taking amount management, and discloses a water purifier accurate limiting water taking management system and method. According to the method, data of a water outlet pipeline of the water purifier are collected, the volume of the water outlet pipeline of the water purifier is calculated and divided based on the collected data of the water outlet pipeline of the water purifier, the segmented volume of the water outlet pipeline of the water purifier is determined, and meanwhile image information of a water taking container is collected in an infrared detection mode. The contour image of the water taking container and the position and size of a water taking opening of the water taking container are determined in an image processing mode, then the position of the water taking opening of the water taking container and the position of a water outlet pipeline of the water purifier are adjusted in a position comparison mode, and the volume of the water taking container is predicted based on the collected image information of the water taking container. Meanwhile, according to the water taking amount information input by the user, whether the current water taking container meets the requirement or not is judged, after water taking is finished, the water taking information is collected and recorded, the water taking information sheet is generated, and the efficiency of accurate limiting water taking management is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of water intake management, and in particular to a precise limit-position water intake management system and method for a water purifier. Background Art

[0002] With the installation of water dispenser equipment in various cities, users use water dispenser equipment more and more frequently. However, due to the differences in water collection equipment used by each user and the users' neglect of the capacity of their own water collection equipment, users are prone to waste water resources in the process of collecting water.

[0003] The existing open patent application CN117422342A, the method collects parameter data of regional water resources, regional water use control indicators, regional water withdrawal permits, regional planned issuance and regional actual water use in real time, and analyzes the regional water resources management level in real time based on the collected parameters, and conducts a refined assessment of regional water use management; specifically, through an evaluation system based on 5 first-level indicators and 24 second-level indicators such as water withdrawal conditions, water withdrawal conditions, water saving conditions, internal management conditions and other conditions of water users, the weights of the first-level and second-level indicators are determined, and the results are quantified according to the determined indicators and weights, and used as the water volume verification coefficient for continued water withdrawal assessment; finally, based on the refined assessment coefficient of regional water use management and the water volume verification coefficient for continued water withdrawal assessment, the original permitted water volume is used as the benchmark for calculation, and the calculation result is used as the continued water withdrawal; but since this method is only applicable to macro-scheduling, it is insufficient in the management capacity of users' daily water use and has certain limitations. Summary of the invention

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the present invention provides a water purifier precise limit water intake management system and method, which has the advantages of accuracy, portability, energy saving, etc., and solves the problem of water resource waste easily caused by users in the water intake process.

[0006] (II) Technical solution

[0007] In order to solve the technical problem that water resources are easily wasted during the water collection process, the present invention provides the following technical solutions:

[0008] The present invention discloses a method for managing precise position-limited water intake of a water purifier, which specifically comprises the following steps:

[0009] S1. Collecting data of the water outlet pipeline of the water purifier, calculating the volume of the water outlet pipeline of the water purifier based on the collected data of the water outlet pipeline of the water purifier and dividing the volume, thereby determining the segmented volume of the water outlet pipeline of the water purifier;

[0010] S2, collecting image information of the water intake container by infrared detection, and determining the contour image of the water intake container, the position and size of the water intake port of the water intake container by image processing;

[0011] S3, comparing the determined water inlet position and size of the water intake container with the position and size of the water outlet pipe of the water purifier, judging whether the water inlet position of the water intake container and the position of the water outlet pipe of the water purifier are consistent according to the comparison result, and making adjustments;

[0012] S4, predicting the volume of the water intake container based on the collected image information of the water intake container;

[0013] S5, collecting the water intake information input by the user, determining whether the current water intake container meets the water intake information required by the user, and executing according to the determination result;

[0014] S6. After the water extraction is completed, the water extraction information is summarized and recorded and a water extraction information sheet is generated.

[0015] The present invention collects data of a water outlet pipe of a water purifier, calculates the volume of the water outlet pipe of the water purifier based on the collected data of the water outlet pipe of the water purifier and divides it, determines the segmented volume of the water outlet pipe of the water purifier, and collects image information of a water intake container by infrared detection, and determines the contour image of the water intake container, the position and size of a water intake port of the water intake container by image processing, and then adjusts the position of the water intake port of the water intake container and the position of the water outlet pipe of the water purifier by position comparison, and predicts the volume of the water intake container based on the collected image information of the water intake container, and judges whether the current water intake container meets the requirements according to the water intake amount information input by the user, and after the water intake is completed, summarizes and records the water intake information and generates a water intake information sheet, thereby improving the efficiency of precise limited-position water intake management.

[0016] Preferably, the collecting of the water outlet pipe data of the water purifier, calculating the volume of the water outlet pipe of the water purifier based on the collected data of the water outlet pipe of the water purifier and dividing the volume, and determining the segmented volume of the water outlet pipe of the water purifier comprises the following steps:

[0017] The data of the water outlet pipe of the water purifier collected are set to include: the length of the water outlet pipe of the water purifier and the radius of the water outlet pipe of the water purifier;

[0018] The volume formula for calculating the water outlet pipe volume of the water purifier is as follows:

[0019] V=π×r 2 ×L;

[0020] Wherein, V represents the volume of the water outlet pipe of the water purifier, r represents the radius of the water outlet pipe of the water purifier, and L represents the length of the water outlet pipe of the water purifier;

[0021] After calculating the volume of the water outlet pipe of the water purifier, the water outlet unit is set, and the water outlet pipe of the water purifier is divided based on the set water outlet unit.

[0022] The present invention calculates the volume of the water outlet pipe of the water purifier by collecting the length and radius of the water outlet pipe of the water purifier, and divides the water outlet pipe of the water purifier based on the set water output unit to determine the segmented volume of the water outlet pipe of the water purifier, thereby ensuring the accuracy of the water output of the water purifier.

[0023] Preferably, the method of collecting image information of the water intake container by infrared detection and determining the contour image of the water intake container, the position and size of the water intake port of the water intake container by image processing comprises the following steps:

[0024] S21, processing the collected image information of the water collection container by using a background separation algorithm to obtain a separated image of the water collection container;

[0025] S22, fitting the pixel points in the processed image of the water collection container by using an image fitting algorithm to obtain a contour image of the water collection container;

[0026] S23, establishing a three-dimensional coordinate system, based on the obtained contour image of the water intake container, selecting the position of the water intake port of the water intake container according to the height position of the contour image, and calculating the size of the water intake port of the water intake container;

[0027] The size of the water intake port of the water intake container is calculated using the Euclidean distance formula as follows:

[0028]

[0029] Where d represents the size of the water intake port of the water intake container, (x 1 ,y 1 ,z 1 ) and (x 2 ,y 2 ,z 2 ) represents the position coordinates of the two ends of the water intake port of the water intake container.

[0030] Preferably, the process of processing the collected image information of the water collection container by a background separation algorithm to obtain the separated image of the water collection container comprises the following steps:

[0031] S211, setting a window, wherein the window includes the image pixels of the water collection container to be processed and the surrounding neighborhood of the image pixels of the water collection container;

[0032] S212, performing binarization processing on the image pixels of the water collection container to be processed in the window and the neighborhood around the image pixels of the water collection container to obtain an image of the water collection container after binarization processing;

[0033] Select the initial grayscale threshold k to divide the image pixels of the water collection container to be processed and all pixels in the neighborhood around the image pixels of the water collection container into two categories C 1 and C 2 ;

[0034] Setting C 1 is the pixel category that is less than or equal to the grayscale threshold k, C 2 is the pixel category greater than the grayscale threshold k;

[0035] Set pixel class C 1 The grayscale mean is h 1 , pixel class C 2 The grayscale mean is h 2 , the global grayscale mean is h 3 ;

[0036] Assume that the image pixels of the water collection container to be processed and the pixels in the neighborhood around the image pixels of the water collection container belong to pixel category C 1 The probability is p 1 , belongs to pixel category C 2 The probability is p 2 ;

[0037] The binarization formula is as follows:

[0038] h 3 =h 1 ×p 1 +h 2 ×p 2 ;

[0039]

[0040] Wherein, η represents the binarization threshold;

[0041] The grayscale value greater than the binary threshold is set to 255, which is displayed as white, and the grayscale value less than or equal to the binary threshold is set to 0, which is displayed as black;

[0042] The pixels in the image information of the water collection container after the binarization process are aggregated to obtain an image of the water collection container after the binarization process.

[0043] Preferably, the step of fitting the pixel points in the processed image of the water collection container by an image fitting algorithm to obtain a contour image of the water collection container comprises the following steps:

[0044] S221, randomly selecting m pixels in the processed image of the water collection container;

[0045] S222, fitting the selected m pixel points to construct a fitting contour;

[0046] S223, calculating the distance from other pixel points in the image of the selected water collection container to the fitted contour, setting a distance threshold, when the distance from other pixel points in the image of the selected water collection container to the fitted contour is less than the set distance threshold, setting the pixel point as an inner point, when the distance from other pixel points in the image of the selected water collection container to the fitted contour is greater than or equal to the set distance threshold, setting it as a noise point, and counting the number of inner points;

[0047] S224, repeat steps S221-S223 to select the contour with the largest number of inner points;

[0048] S225. Set the contour with the largest number of internal points as the processed contour image of the water collection container.

[0049] The present invention processes the collected image information of the water collection container through a background separation algorithm, and fits the pixel points in the processed image of the water collection container through an image fitting algorithm to obtain a contour image of the water collection container, and at the same time establishes a three-dimensional coordinate system to calculate the size of the water intake port of the water collection container, thereby improving the accuracy of water collection for users.

[0050] Preferably, comparing the determined water intake port position and size of the water intake container with the position and size of the water outlet pipe of the water purifier, judging whether the water intake port position of the water intake container and the position of the water outlet pipe of the water purifier are consistent according to the comparison result, and making adjustments includes the following steps:

[0051] Calculate the size of the water outlet pipe of the water purifier using the Euclidean distance formula and save it;

[0052] Based on the calculated sizes of the water outlet pipe of the water purifier and the water inlet of the water intake container, select a half Euclidean distance position as the center point of the water outlet pipe of the water purifier and the water intake of the water intake container;

[0053] Compare the position coordinates of the center point of the water outlet pipe of the water purifier and the water inlet of the water collection container. When the position coordinates of the center point of the water outlet pipe of the water purifier are inconsistent with the position coordinates of the center point of the water inlet of the water collection container, move the position coordinates of the center point of the water outlet pipe of the water purifier so that the position coordinates of the center point of the water outlet pipe of the water purifier and the water inlet of the water collection container remain consistent.

[0054] The present invention processes the collected image information of the water collection container through a background separation algorithm, and fits the pixel points in the processed image of the water collection container through an image fitting algorithm to obtain a contour image of the water collection container. At the same time, a three-dimensional coordinate system is established to calculate the size of the water intake port of the water collection container, thereby improving the reliability of water collection for users.

[0055] Preferably, the predicting the volume of the water intake container based on the collected image information of the water intake container comprises the following steps:

[0056] Based on the obtained contour image of the water collection container, a slice thickness is set, and according to the set thickness, the contour image of the water collection container is evenly sliced ​​upward from the bottom along a transverse plane perpendicular to the Z axis;

[0057] Calculate the volume of each layer after slicing, and predict the volume of the water collection container by differentiation;

[0058] The formula for calculating the volume of each layer after slicing and predicting the volume of the water collection container by differentiation is as follows:

[0059]

[0060] Among them, V 预 It represents the predicted volume of the water collection container, S(x) represents the cross-sectional area of ​​each layer after slicing, n represents the number of sliced ​​layers, and dx represents the differential with respect to the abscissa x.

[0061] The present invention obtains the contour image of the water collection container, sets the slice thickness and performs uniform slicing, calculates the volume of each layer after slicing, and predicts the volume size of the water collection container by differential method, thereby ensuring the accuracy of the water collection container prediction.

[0062] Preferably, the collecting of the water intake information input by the user, judging whether the current water intake container meets the water intake information required by the user, and executing according to the judgment result comprises the following steps:

[0063] When the water intake information input by the user is greater than or equal to the predicted volume of the water intake container, an overflow reminder is given, and water is discharged according to the predicted volume of the water intake container;

[0064] When the water intake amount information input by the user is less than the predicted volume of the water intake container, water is discharged according to the water intake amount information input by the user.

[0065] The present invention collects and compares the water intake information input by the user to determine whether the current water intake container meets the water intake information required by the user, thereby improving the water intake efficiency of the user.

[0066] Preferably, after the water extraction is completed, summarizing and recording the water extraction information and generating a water extraction information sheet includes the following steps:

[0067] After the water is drawn, the water output, water drawing time and water output duration of the current water purifier are recorded in real time;

[0068] A water intake information sheet is generated based on real-time recorded data and transmitted to the user end and displayed on the water purifier interface.

[0069] The present invention improves the real-time performance of water collection by users by summarizing and recording water collection information, generating a water collection information sheet, and displaying the generated water collection information sheet on the interface of the water purifier.

[0070] The present invention also discloses a water purifier precise position-limited water intake management system, which is used to implement a water purifier precise position-limited water intake management method. The system includes: a data acquisition module, a data processing module, a position comparison module, a position determination module, a volume prediction module, a water intake comparison module, an information sheet generation module and a display module;

[0071] The data acquisition module is used to collect the water outlet pipe data of the water purifier and the image information of the water intake container in real time;

[0072] The data processing module is used to process the image information of the water collection container to determine the image contour of the water collection container;

[0073] The position determination module is used to determine the position and size of the water intake port of the water intake container according to the image contour of the water intake container;

[0074] The position comparison module is used to compare the position of the water outlet pipe of the water purifier and the water inlet of the water intake container, and make adjustments;

[0075] The volume prediction module is used to predict the volume of the current water intake container;

[0076] The water intake comparison module is used to collect the water intake amount of the user and compare it with the predicted volume of the water intake container;

[0077] The information sheet generation module is used to generate parameter data of the user during the water collection process in real time;

[0078] The display module is used to display parameter data of the user during the water intake process in real time.

[0079] (III) Beneficial effects

[0080] Compared with the prior art, the present invention provides a water purifier precise limit water intake management system and method, which has the following features:

[0081] Beneficial effects:

[0082] 1. The invention collects data of the water outlet pipe of the water purifier, calculates the volume of the water outlet pipe of the water purifier based on the collected data and divides it, determines the segmented volume of the water outlet pipe of the water purifier, and collects image information of the water intake container through infrared detection, and determines the contour image of the water intake container, the position and size of the water intake port of the water intake container through image processing, and then adjusts the position of the water intake port of the water intake container and the position of the water outlet pipe of the water purifier through position comparison, and predicts the volume of the water intake container based on the collected image information of the water intake container, and judges whether the current water intake container meets the water intake volume information input by the user, and after the water intake is completed, summarizes and records the water intake information and generates a water intake information sheet, thereby improving the efficiency of precise limited water intake management.

[0083] 2. The invention calculates the volume of the water outlet pipe of the water purifier by collecting the length and radius of the water outlet pipe of the water purifier, and divides the water outlet pipe of the water purifier based on the set water output unit to determine the segmented volume of the water outlet pipe of the water purifier, thereby ensuring the accuracy of the water output of the water purifier.

[0084] 3. The present invention processes the collected image information of the water collection container through a background separation algorithm, and fits the pixel points in the processed image of the water collection container through an image fitting algorithm to obtain a contour image of the water collection container. At the same time, a three-dimensional coordinate system is established to calculate the size of the water intake port of the water collection container, thereby improving the reliability of water collection for users.

[0085] 4. The invention obtains the contour image of the water collection container, sets the slice thickness and performs uniform slicing, calculates the volume of each layer after slicing, and predicts the volume of the water collection container by differential method, thereby ensuring the accuracy of the water collection container prediction.

[0086] 5. The invention collects the water intake information input by the user and compares it to determine whether the current water intake container meets the water intake information required by the user, thereby improving the user's water intake efficiency.

[0087] 6. The invention improves the real-time performance of water collection by users by summarizing and recording water collection information and generating a water collection information sheet and displaying the water collection information sheet on the interface of the water purifier. BRIEF DESCRIPTION OF THE DRAWINGS

[0088] Figure 1 It is a schematic diagram of the structure of the precise limit water intake management process of the water purifier of the present invention. DETAILED DESCRIPTION

[0089] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0090] Example 1

[0091] See also Figure 1 This embodiment discloses a method for managing precise limiting water intake of a water purifier, which specifically includes the following steps:

[0092] S1. Collecting data of the water outlet pipeline of the water purifier, calculating the volume of the water outlet pipeline of the water purifier based on the collected data of the water outlet pipeline of the water purifier and dividing the volume, thereby determining the segmented volume of the water outlet pipeline of the water purifier;

[0093] S2, collecting image information of the water intake container by infrared detection, and determining the contour image of the water intake container, the position and size of the water intake port of the water intake container by image processing;

[0094] S3, comparing the determined water inlet position and size of the water intake container with the position and size of the water outlet pipe of the water purifier, judging whether the water inlet position of the water intake container and the position of the water outlet pipe of the water purifier are consistent according to the comparison result, and making adjustments;

[0095] S4, predicting the volume of the water intake container based on the collected image information of the water intake container;

[0096] S5, collecting the water intake information input by the user, determining whether the current water intake container meets the water intake information required by the user, and executing according to the determination result;

[0097] S6. After the water is taken, the water taking information is summarized and recorded and a water taking information sheet is generated;

[0098] For further information, see Figure 1 , collecting the data of the water outlet pipe of the water purifier, calculating the volume of the water outlet pipe of the water purifier based on the collected data of the water outlet pipe of the water purifier and dividing it, and determining the segmented volume of the water outlet pipe of the water purifier includes the following steps:

[0099] The data of the water outlet pipe of the water purifier collected are set to include: the length of the water outlet pipe of the water purifier and the radius of the water outlet pipe of the water purifier;

[0100] The volume formula for calculating the water outlet pipe volume of the water purifier is as follows:

[0101] V=π×r 2 ×L;

[0102] Wherein, V represents the volume of the water outlet pipe of the water purifier, r represents the radius of the water outlet pipe of the water purifier, and L represents the length of the water outlet pipe of the water purifier;

[0103] Further, after the volume of the water outlet pipe of the water purifier is calculated, the water outlet unit is set, and the water outlet pipe of the water purifier is divided based on the set water outlet unit;

[0104] For further information, see Figure 1 The method of collecting image information of the water collection container by infrared detection and determining the contour image of the water collection container, the position and size of the water intake port of the water collection container by image processing includes the following steps:

[0105] S21, processing the collected image information of the water collection container by using a background separation algorithm to obtain a separated image of the water collection container;

[0106] S211, setting a window, wherein the window includes the image pixels of the water collection container to be processed and the surrounding neighborhood of the image pixels of the water collection container;

[0107] S212, performing binarization processing on the image pixels of the water collection container to be processed in the window and the neighborhood around the image pixels of the water collection container to obtain an image of the water collection container after binarization processing;

[0108] Select the initial grayscale threshold k to divide the image pixels of the water collection container to be processed and all pixels in the neighborhood around the image pixels of the water collection container into two categories C 1 and C 2 ;

[0109] Setting C 1 is the pixel category that is less than or equal to the grayscale threshold k, C 2 is the pixel category greater than the grayscale threshold k;

[0110] Set pixel class C 1 The grayscale mean is h 1 , pixel class C 2 The grayscale mean is h 2 , the global grayscale mean is h 3 ;

[0111] Assume that the image pixels of the water collection container to be processed and the pixels in the neighborhood around the image pixels of the water collection container belong to pixel category C 1 The probability is p 1 , belongs to pixel category C 2 The probability is p 2 ;

[0112] The binarization formula is as follows:

[0113] h 3 =h 1 ×p 1 +h 2 ×p 2 ;

[0114]

[0115] Wherein, η represents the binarization threshold;

[0116] The grayscale value greater than the binary threshold is set to 255, which is displayed as white, and the grayscale value less than or equal to the binary threshold is set to 0, which is displayed as black;

[0117] Summarizing pixels in the image information of the water collection container after the binarization process to obtain an image of the water collection container after the binarization process;

[0118] S22, fitting the pixel points in the processed image of the water collection container by using an image fitting algorithm to obtain a contour image of the water collection container;

[0119] S221, randomly selecting m pixels in the processed image of the water collection container;

[0120] S222, fitting the selected m pixel points to construct a fitting contour;

[0121] S223, calculating the distance from other pixel points in the image of the selected water collection container to the fitted contour, setting a distance threshold, when the distance from other pixel points in the image of the selected water collection container to the fitted contour is less than the set distance threshold, setting the pixel point as an inner point, when the distance from other pixel points in the image of the selected water collection container to the fitted contour is greater than or equal to the set distance threshold, setting it as a noise point, and counting the number of inner points;

[0122] S224, repeat steps S221-S223 to select the contour with the largest number of inner points;

[0123] S225, setting the contour with the largest number of internal points as the processed contour image of the water collection container;

[0124] S23, establishing a three-dimensional coordinate system, based on the obtained contour image of the water intake container, selecting the position of the water intake port of the water intake container according to the height position of the contour image, and calculating the size of the water intake port of the water intake container;

[0125] The size of the water intake port of the water intake container is calculated using the Euclidean distance formula as follows:

[0126]

[0127] Where d represents the size of the water intake port of the water intake container, (x 1 ,y 1 ,z 1 ) and (x 2 ,y 2 ,z 2 ) represents the position coordinates of the two ends of the water intake port of the water intake container;

[0128] For further information, see Figure 1 , comparing the determined water inlet position and size of the water intake container with the position and size of the water outlet pipe of the water purifier, judging whether the water inlet position of the water intake container and the position of the water outlet pipe of the water purifier are consistent according to the comparison result, and making adjustments, including the following steps:

[0129] Calculate the size of the water outlet pipe of the water purifier using the Euclidean distance formula and save it;

[0130] Further, based on the calculated sizes of the water outlet pipe of the water purifier and the water inlet of the water intake container, a half Euclidean distance position is selected as the center point of the water outlet pipe of the water purifier and the water inlet of the water intake container;

[0131] Compare the position coordinates of the center points of the water outlet pipe of the water purifier and the water inlet of the water collection container. When the position coordinates of the center point of the water outlet pipe of the water purifier are inconsistent with the position coordinates of the center point of the water inlet of the water collection container, move the position coordinates of the center point of the water outlet pipe of the water purifier so that the position coordinates of the center point of the water outlet pipe of the water purifier and the water inlet of the water collection container are consistent;

[0132] For further information, see Figure 1 Based on the collected image information of the water collection container, predicting the volume of the water collection container includes the following steps:

[0133] Based on the obtained contour image of the water collection container, a slice thickness is set, and according to the set thickness, the contour image of the water collection container is evenly sliced ​​upward from the bottom along a transverse plane perpendicular to the Z axis;

[0134] Furthermore, the volume of each layer after slicing is calculated, and the volume of the water collection container is predicted by differentiation;

[0135] The formula for calculating the volume of each layer after slicing and predicting the volume of the water collection container by differentiation is as follows:

[0136]

[0137] Among them, V 预 represents the predicted volume of the water collection container, S(x) represents the cross-sectional area of ​​each layer after slicing, n represents the number of sliced ​​layers, and dx represents the differential with respect to the abscissa x;

[0138] For further information, see Figure 1 , collecting the water intake information input by the user, judging whether the current water intake container meets the water intake information required by the user, and executing the following steps according to the judgment result:

[0139] When the water intake information input by the user is greater than or equal to the predicted volume of the water intake container, an overflow reminder is given, and water is discharged according to the predicted volume of the water intake container;

[0140] When the water intake amount information input by the user is less than the predicted volume of the water intake container, water is discharged according to the water intake amount information input by the user;

[0141] For further information, see Figure 1 After the water is drawn, the water drawing information is summarized and recorded and a water drawing information sheet is generated, which includes the following steps:

[0142] After the water is drawn, the water output, water drawing time and water output duration of the current water purifier are recorded in real time;

[0143] Generate a water intake information sheet based on real-time recorded data, transmit it to the user end, and display it on the water purifier interface;

[0144] Example 2

[0145] See also Figure 1 , This embodiment discloses a water purifier precise limit water intake management system, which is used to implement a water purifier precise limit water intake management method, the system includes: a data acquisition module, a data processing module, a position comparison module, a position determination module, a volume prediction module, a water intake comparison module, an information sheet generation module and a display module;

[0146] The data acquisition module is used to collect the water outlet pipe data of the water purifier and the image information of the water intake container in real time;

[0147] The data processing module is used to process the image information of the water collection container to determine the image contour of the water collection container;

[0148] The position determination module is used to determine the position and size of the water intake port of the water intake container according to the image contour of the water intake container;

[0149] The position comparison module is used to compare the position of the water outlet pipe of the water purifier and the water inlet of the water intake container, and make adjustments;

[0150] The volume prediction module is used to predict the volume of the current water intake container;

[0151] The water intake comparison module is used to collect the water intake amount of the user and compare it with the predicted volume of the water intake container;

[0152] The information sheet generation module is used to generate parameter data of the user during the water collection process in real time;

[0153] The display module is used to display parameter data of the user during the water intake process in real time.

[0154] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A method for managing precise position-limited water intake of a water purifier, characterized in that: The following steps are involved: S1. Collecting data of the water outlet pipeline of the water purifier, calculating the volume of the water outlet pipeline of the water purifier based on the collected data of the water outlet pipeline of the water purifier and dividing the volume, thereby determining the segmented volume of the water outlet pipeline of the water purifier; S2, collecting image information of the water intake container by infrared detection, and determining the contour image of the water intake container, the position and size of the water intake port of the water intake container by image processing; S3, comparing the determined water inlet position and size of the water intake container with the position and size of the water outlet pipe of the water purifier, judging whether the water inlet position of the water intake container and the position of the water outlet pipe of the water purifier are consistent according to the comparison result, and making adjustments; S4, predicting the volume of the water intake container based on the collected image information of the water intake container; S5, collecting the water intake information input by the user, determining whether the current water intake container meets the water intake information required by the user, and executing according to the determination result; S6. After the water extraction is completed, the water extraction information is summarized and recorded and a water extraction information sheet is generated.

2. According to claim 1, a method for managing water intake of a water purifier with precise position limiting is characterized in that: The collecting of the water outlet pipe data of the water purifier, calculating the volume of the water outlet pipe of the water purifier based on the collected data of the water outlet pipe of the water purifier and dividing the volume, and determining the segmented volume of the water outlet pipe of the water purifier comprises the following steps: The data of the water outlet pipe of the water purifier collected are set to include: the length of the water outlet pipe of the water purifier and the radius of the water outlet pipe of the water purifier; The volume formula for calculating the water outlet pipe volume of the water purifier is as follows: V=π×r 2 ×L; Wherein, V represents the volume of the water outlet pipe of the water purifier, r represents the radius of the water outlet pipe of the water purifier, and L represents the length of the water outlet pipe of the water purifier; After calculating the volume of the water outlet pipe of the water purifier, the water outlet unit is set, and the water outlet pipe of the water purifier is divided based on the set water outlet unit.

3. According to claim 1, a method for managing water intake of a water purifier with precise position limiting is characterized in that: The method of collecting image information of the water intake container by infrared detection and determining the contour image of the water intake container, the position and size of the water intake port of the water intake container by image processing includes the following steps: S21, processing the collected image information of the water collection container by using a background separation algorithm to obtain a separated image of the water collection container; S22, fitting the pixel points in the processed image of the water collection container by using an image fitting algorithm to obtain a contour image of the water collection container; S23, establishing a three-dimensional coordinate system, based on the obtained contour image of the water intake container, selecting the position of the water intake port of the water intake container according to the height position of the contour image, and calculating the size of the water intake port of the water intake container; The size of the water intake port of the water intake container is calculated using the Euclidean distance formula as follows: Among them, d represents the size of the water intake port of the water intake container, and (x1, y1, z1) and (x2, y2, z2) represent the position coordinates of the two ends of the water intake port of the water intake container.

4. A method for managing precise position-limited water intake of a water purifier according to claim 3, characterized in that: The process of processing the collected image information of the water collection container by using a background separation algorithm to obtain a separated image of the water collection container comprises the following steps: S211, setting a window, wherein the window includes the image pixels of the water collection container to be processed and the surrounding neighborhood of the image pixels of the water collection container; S212, performing binarization processing on the image pixels of the water collection container to be processed in the window and the neighborhood around the image pixels of the water collection container to obtain an image of the water collection container after binarization processing; An initial grayscale threshold k is selected to divide the image pixels of the water collection container to be processed and all pixels in the neighborhood around the image pixels of the water collection container into two categories C1 and C2; Set C1 to be the pixel category that is less than or equal to the grayscale threshold k, and C2 to be the pixel category that is greater than the grayscale threshold k; Set the grayscale mean of pixel category C1 to h1, the grayscale mean of pixel category C2 to h2, and the global grayscale mean to h3; Assume that the image pixel of the water collection container to be processed and the pixels in the neighborhood around the image pixel of the water collection container belong to the pixel category C1 with probability p1, and the probability of belonging to the pixel category C2 with probability p2; The binarization formula is as follows: h3=h1×p1+h2×p2; Wherein, η represents the binarization threshold; The grayscale value greater than the binary threshold is set to 255, which is displayed as white, and the grayscale value less than or equal to the binary threshold is set to 0, which is displayed as black; The pixels in the image information of the water collection container after the binarization process are aggregated to obtain an image of the water collection container after the binarization process.

5. According to claim 3, a method for managing precise position-limited water intake of a water purifier is characterized in that: The step of fitting the pixel points in the processed image of the water collection container by using an image fitting algorithm to obtain a contour image of the water collection container comprises the following steps: S221, randomly selecting m pixels in the processed image of the water collection container; S222, fitting the selected m pixel points to construct a fitting contour; S223, calculating the distance from other pixel points in the image of the selected water collection container to the fitted contour, setting a distance threshold, when the distance from other pixel points in the image of the selected water collection container to the fitted contour is less than the set distance threshold, setting the pixel point as an inner point, when the distance from other pixel points in the image of the selected water collection container to the fitted contour is greater than or equal to the set distance threshold, setting it as a noise point, and counting the number of inner points; S224, repeat steps S221-S223 to select the contour with the largest number of inner points; S225. Set the contour with the largest number of internal points as the processed contour image of the water collection container.

6. A method for managing precise position-limited water intake of a water purifier according to claim 1, characterized in that: The step of comparing the determined water inlet position and size of the water intake container with the position and size of the water outlet pipe of the water purifier, judging whether the water inlet position of the water intake container and the position of the water outlet pipe of the water purifier are consistent according to the comparison result, and making adjustments includes the following steps: Calculate the size of the water outlet pipe of the water purifier using the Euclidean distance formula and save it; Based on the calculated sizes of the water outlet pipe of the water purifier and the water inlet of the water intake container, select a half Euclidean distance position as the center point of the water outlet pipe of the water purifier and the water inlet of the water intake container; Compare the position coordinates of the center point of the water outlet pipe of the water purifier and the water inlet of the water collection container. When the position coordinates of the center point of the water outlet pipe of the water purifier are inconsistent with the position coordinates of the center point of the water inlet of the water collection container, move the position coordinates of the center point of the water outlet pipe of the water purifier so that the position coordinates of the center point of the water outlet pipe of the water purifier and the water inlet of the water collection container remain consistent.

7. A method for managing precise position-limited water intake of a water purifier according to claim 1, characterized in that: The method of predicting the volume of the water intake container based on the collected image information of the water intake container comprises the following steps: Based on the obtained contour image of the water collection container, a slice thickness is set, and according to the set thickness, the contour image of the water collection container is evenly sliced ​​upward from the bottom along a transverse plane perpendicular to the Z axis; Calculate the volume of each layer after slicing, and predict the volume of the water collection container by differentiation; The formula for calculating the volume of each layer after slicing and predicting the volume of the water collection container by differentiation is as follows: Among them, V 预 It represents the predicted volume of the water collection container, S(x) represents the cross-sectional area of ​​each layer after slicing, n represents the number of sliced ​​layers, and dx represents the differential with respect to the abscissa x.

8. A method for managing precise position-limited water intake of a water purifier according to claim 1, characterized in that: The collecting of the water intake information input by the user, judging whether the current water intake container meets the water intake information required by the user, and executing according to the judgment result includes the following steps: When the water intake information input by the user is greater than or equal to the predicted volume of the water intake container, an overflow reminder is given, and water is discharged according to the predicted volume of the water intake container; When the water intake amount information input by the user is less than the predicted volume of the water intake container, water is discharged according to the water intake amount information input by the user.

9. A method for managing precise position-limited water intake of a water purifier according to claim 1, characterized in that: After the water extraction is completed, the water extraction information is summarized and recorded and a water extraction information sheet is generated, which includes the following steps: After the water is drawn, the current water output, water drawing time and water output duration of the water purifier are recorded in real time; A water intake information sheet is generated based on real-time recorded data and transmitted to the user end and displayed on the water purifier interface.

10. A system for implementing the precise limit water intake management method of a water purifier according to any one of claims 1 to 9, characterized in that: include: Data acquisition module, data processing module, position comparison module, position determination module, volume prediction module, water intake comparison module, information sheet generation module and display module; The data acquisition module is used to collect the water outlet pipe data of the water purifier and the image information of the water intake container in real time; The data processing module is used to process the image information of the water collection container to determine the image contour of the water collection container; The position determination module is used to determine the position and size of the water intake port of the water intake container according to the image contour of the water intake container; The position comparison module is used to compare the position of the water outlet pipe of the water purifier and the water inlet of the water intake container, and make adjustments; The volume prediction module is used to predict the volume of the current water intake container; The water intake comparison module is used to collect the water intake amount of the user and compare it with the predicted volume of the water intake container; The information sheet generation module is used to generate parameter data of the user during the water collection process in real time; The display module is used to display parameter data of the user during the water intake process in real time.

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