CN-122010203-A - Direct drinking machine control method, system, intelligent terminal and storage medium

CN122010203ACN 122010203 ACN122010203 ACN 122010203ACN-122010203-A

Abstract

The invention discloses a control method, a system, an intelligent terminal and a storage medium of a direct drinking machine, which relate to the field of direct drinking machines and comprise an acquisition module, a sensing module and a filtering module, wherein the acquisition module is used for acquiring water quality characteristic parameters of a water inlet end, a filtering cavity and a water outlet end of the direct drinking machine so as to generate a water quality acquisition signal, the sensing module is used for sensing operation load parameters and environment related parameters of a filter element of the direct drinking machine so as to generate a filter element working condition sensing signal, and the multi-dimensional water quality related data of inlet water, filtering process and outlet water are comprehensively captured, and fusion operation is carried out by combining the operation load of the filter element and the environment related conditions.

Inventors

LIANG JIANLIN
ZHANG LIBO
LONG PING
Liang Zhuoling
PENG QINGLING

Assignees

宁波市沸士康商用设备有限公司

Dates

Publication Date: 20260512
Application Date: 20260206

Claims (10)

1. A drink-through machine control system, comprising: The acquisition module is used for acquiring water quality characteristic parameters of the water inlet end, the filter cavity and the water outlet end of the direct drinking machine so as to generate a water quality acquisition signal; The sensing module is used for sensing the operation load parameters and environment-related parameters of the direct drinking machine filter element so as to generate a filter element working condition sensing signal; The fusion module is used for receiving the water quality acquisition signal and the filter element working condition sensing signal, carrying out fusion operation on the two types of signals and outputting fusion processing data; The judging module is used for constructing a filter element service life judging model based on the fusion processing data and outputting a filter element residual service life judging result through model operation; the identification module is used for carrying out feature extraction and threshold comparison on the water quality acquisition signals and outputting water quality abnormality identification signals and abnormality type identifiers; the regulation and control module is used for receiving the filter element residual life judging result and the water quality abnormality identifying signal, generating a corresponding filtering flow regulation and control instruction, and driving the direct drinking machine filtering mechanism to execute corresponding regulation and control actions.
2. The control system of a direct drinking machine according to claim 1, wherein the water quality characteristic parameters collected by the collection module include turbidity, total dissolved solids content, organic matter concentration and microbial colony number, and the water quality collection signal is generated by a multidimensional parameter coupling mode, and a coupling formula is as follows: ; wherein: Collecting a signal comprehensive value for water quality; 、、、 The method comprises the steps of turbidity weight coefficient, total dissolved solid content weight coefficient, organic matter concentration weight coefficient and microorganism colony number weight coefficient; Is a collected turbidity parameter; the total dissolved solid content parameter is collected; the concentration parameters of the organic matters are collected; is a parameter of the number of collected microbial colonies.
3. The control system of a direct drinking machine according to claim 1, wherein the operating load parameters sensed by the sensing module include a filter element filtration pressure difference, a flow decay rate and an accumulated hold-up, and the environmental related parameters include a water inlet temperature, a water inlet pressure and an environmental humidity; the filter element working condition sensing signal is generated through cooperative operation of a load and an environment, and the operation formula is as follows: ; wherein: Sensing a signal value for the working condition of the filter element; The load factors of the filtration pressure difference, the flow attenuation rate and the accumulated retention amount are respectively; the environmental coefficients of water inlet temperature, water inlet pressure and environmental humidity are respectively; filtering the pressure difference parameter for the filter element; Is a flow decay rate parameter; is the accumulated interception parameter; is a water inlet temperature parameter; is a water inlet pressure parameter; Is an ambient humidity parameter; and correcting the coefficient for the working condition.
4. The control system of a direct drinking machine according to claim 1, wherein the fusion operation stage in the fusion module firstly performs standardization processing on the water quality acquisition signals to obtain standardized water quality signals, then performs standardization processing on the filter core working condition sensing signals to obtain standardized chemical working condition signals, and finally outputs fusion processing data through a fusion formula: ; wherein: processing the data for fusion; 、 the water quality signal fusion weight and the working condition signal fusion weight are adopted; is a standardized water quality signal; Is a standardized chemical signal; Nonlinear correction function is carried out on the water quality signal; Nonlinear correction function is used for working condition signals; Wherein, the The normalization process is to map the original signal value to a preset interval, 、 Are positive numbers and the sum of the additions is 1.
5. The control system of a direct drinking machine according to claim 1, wherein the filter element life determining model in the determining module is constructed based on the fusion processing data and the filter element initial performance parameter, and the expression is: ; wherein: the residual life of the filter element; the life parameters are designed for the filter element initially; The filter element is operated for a period of time; Is an integral variable; Is the life attenuation coefficient of the filter element; When (when) Below the preset lifetime threshold value, the judging module outputs a judging result that the filter element needs to be replaced.
6. The beverage dispenser control system of claim 1, wherein the identification module run phase feature extraction operation comprises: Extracting time domain features and frequency domain features in the water quality acquisition signals, wherein the time domain features comprise parameter change rates, peak values and average values, and the frequency domain features comprise feature frequency amplitude values and frequency spectrum gravity centers; the threshold comparison stage obeys: ; wherein: judging a function value for water quality abnormality; 、、、 Respectively collecting turbidity parameters, total dissolved solid content parameters, organic matter concentration parameters and microorganism colony number parameters; 、、、 respectively preset standard values of turbidity, total dissolved solid content, organic matter concentration and microbial colony number; When (when) When the water quality abnormality identification signal is larger than a preset abnormality threshold, outputting a water quality abnormality identification signal, and marking a corresponding abnormality type identifier according to a parameter type exceeding the threshold, wherein the abnormality type comprises an excessive turbidity abnormality, an excessive total dissolved solid content abnormality, an organic matter concentration abnormality and a microbial pollution abnormality.
7. The direct drinking machine control system according to claim 1, wherein the regulation and control module generates a filtration flow regulation and control instruction stage, and constructs a regulation and control decision matrix based on the residual life of the filter element and the abnormal water quality judgment function value, wherein the regulation and control instruction comprises a filtration speed regulation instruction, a multi-stage filtration switching instruction, a back flushing starting instruction and a shutdown early warning instruction; when the residual life of the filter element is in a preset life interval and the water quality abnormality judging function value does not exceed a threshold value, outputting a filtering speed optimizing instruction to enable the filtering speed to be matched with the current water quality and the working condition of the filter element; when the water quality abnormality judging function value exceeds the threshold value but does not reach the serious abnormality degree, outputting a multi-stage filtering switching instruction, and starting an additional filtering level to strengthen the filtering effect; When the residual life of the filter element is lower than a preset life threshold or the water quality abnormality judging function value reaches a serious abnormality degree, outputting a back flush starting instruction or a shutdown early warning instruction, wherein the back flush time length and the pressure corresponding to the back flush starting instruction are based on the fusion processing data Dynamically adjusting; ; wherein: A backwash duration corresponding to the backwash starting instruction; Is the back flushing basic time length; Adjusting the coefficient for the duration; Backwash pressure corresponding to a backwash starting instruction; Is the back flush base pressure; Is a pressure correction coefficient; Is a pressure constraint coefficient; The filtering speed adjusting instruction, the multi-stage filtering switching instruction, the back flushing starting instruction and the shutdown early warning instruction are all derived from the regulation decision matrix.
8. A method of controlling a drink fountain, the method being implemented in a drink fountain control system as claimed in any one of claims 1 to 7, comprising: Collecting turbidity, total dissolved solid content, organic matter concentration and microbial colony number of a water inlet end, a filter cavity and a water outlet end of the direct drinking machine, and generating a water quality collecting signal through multidimensional parameter coupling; Sensing an operation load parameter and an environment related parameter of a direct drinking machine filter element to generate a filter element working condition sensing signal; receiving a water quality acquisition signal and a filter element working condition sensing signal, and outputting fusion processing data through fusion operation after normalization processing; constructing a filter element service life judging model based on the fusion processing data and the filter element initial performance parameters, and outputting a filter element residual service life judging result through model operation; Extracting time domain features and frequency domain features of the water quality acquisition signals, and comparing and outputting water quality abnormality identification signals and corresponding abnormality type identifiers through threshold values; And generating a filtering flow regulation and control instruction according to the filter element residual life judging result and the water quality abnormality identifying signal, and driving a direct drinking machine filtering mechanism to execute corresponding regulation and control actions.
9. An intelligent terminal, characterized in that the terminal device comprises a memory, a processor and a computer program stored on said memory and executable on said processor, which computer program, when being executed by said processor, implements the steps of a drink-through machine control method as claimed in claim 8 or implements the running program of a drink-through machine control system as claimed in any one of claims 1 to 7.
10. A storage medium having stored thereon a computer program which, when executed by a processor, implements the steps of a method for controlling a beverage dispenser as claimed in claim 8 or implements an operating program for a beverage dispenser control system as claimed in any one of claims 1 to 7.

Description

Direct drinking machine control method, system, intelligent terminal and storage medium Technical Field The invention relates to the technical field of direct drinking machines, in particular to a direct drinking machine control method, a direct drinking machine control system, an intelligent terminal and a storage medium. Background The direct drinking machine efficiently removes the harmful impurities such as particulate matters, heavy metals, bacteria and the like in raw water through the technologies such as pretreatment, reverse osmosis membrane separation, post-activated carbon adsorption and the like, and simultaneously retains a proper amount of beneficial minerals. The device supports the functions of instant heating and refrigerating, the outlet water temperature can be adjusted as required, and the device is provided with an intelligent water quality monitoring, automatic flushing and water shortage protection mechanism. The invention patent application with the application number 201611040680.5 discloses a water making control method of a direct drinking machine, which aims to solve the problem that a float switch is generally arranged in a water purifying tank of the direct drinking machine so as to control the water level of the water purifying tank and the starting and stopping of a water purifying unit, and in actual use, the float switch is likely to be out of order, so that a control module of the direct drinking machine cannot control the water purifying unit to stop making water when the water in the water purifying tank is enough. However, the direct drinking machine for public places such as markets is high in use frequency, the service life of the filter element is judged only by the use time or the accumulated water yield, and the filter element is not combined with the actual water quality parameters, so that the filter element is excessively replaced or excessively used, the abnormal water quality cannot be found in time, the function of dynamically adjusting the filtering flow according to the water quality change is not provided, and the consistency of the filtering effect is poor. Therefore, we propose a direct drinking machine control method, a direct drinking machine control system, an intelligent terminal and a storage medium. Disclosure of Invention Aiming at the defects existing in the prior art, the invention provides a direct drinking machine control method, a direct drinking machine control system, an intelligent terminal and a storage medium, which can effectively solve the problems in the prior art. In order to achieve the above object, the present invention is achieved by the following technical scheme; In a first aspect, the present invention discloses a direct drinking machine control system comprising: The acquisition module is used for acquiring water quality characteristic parameters of the water inlet end, the filter cavity and the water outlet end of the direct drinking machine so as to generate a water quality acquisition signal; the system comprises a sensing module, a fusion module, a judging module, a recognition module, a regulation module and control module, wherein the sensing module is used for sensing the operation load parameter and the environment related parameter of a direct drinking machine filter element to generate a filter element working condition sensing signal, the fusion module is used for receiving a water quality acquisition signal and the filter element working condition sensing signal, carrying out fusion operation on the two types of signals and outputting fusion processing data, the judging module is used for constructing a filter element service life judging model based on the fusion processing data and outputting a filter element residual service life judging result through model operation; The acquisition module is interactively connected with the sensing module through a wireless network, the acquisition module is interactively connected with the sensing module through the wireless network and the fusion module, the fusion module is interactively connected with the judging module through the wireless network, the judging module is interactively connected with the identification module through the wireless network, and the judging module is interactively connected with the regulation and control module through the wireless network. Furthermore, the water quality characteristic parameters collected by the collection module comprise turbidity, total dissolved solid content, organic matter concentration and microorganism colony number, and the water quality collection signal is generated by a multidimensional parameter coupling mode, and the coupling formula is as follows: ; wherein: Collecting a signal comprehensive value for water quality; 、、、 The method comprises the steps of turbidity weight coefficient, total dissolved solid content weight coefficient, organic matter concentration weight coefficient and microorganism colony numb