CN112524817B - Method and device for determining water consumption, water heater and storage medium - Google Patents
Method and device for determining water consumption, water heater and storage medium Download PDFInfo
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- CN112524817B CN112524817B CN202011455501.0A CN202011455501A CN112524817B CN 112524817 B CN112524817 B CN 112524817B CN 202011455501 A CN202011455501 A CN 202011455501A CN 112524817 B CN112524817 B CN 112524817B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
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- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
Abstract
The embodiment of the invention provides a method and a device for determining water consumption, a water heater and a storage medium. The method comprises the following steps: acquiring the current water consumption at a first time point, and determining a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption; determining a first habit degree of a first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient; determining a habit degree grade corresponding to the first water habit degree; adjusting the preset water consumption of the target time point according to the habit degree grade; the adjusted preset water consumption is used as the target water consumption of the target time point; wherein the target time point is later than the first time point. The method can know the time period and the water consumption of the water heater used by the user, the water heater is not heated when the user does not use hot water, and a proper amount of hot water is prepared in advance when the user uses the hot water, so that the water consumption requirement of the user can be met, and the energy can be saved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a method and a device for determining water consumption, a water heater and a storage medium.
Background
The heating principle of a common conventional water storage type water heater in the field of the existing household appliances is as follows: when the temperature in the liner is lower than the set temperature, the water heater starts heating, stops heating after the temperature is heated to the set temperature, enters a heat preservation state, starts heating again after the temperature is reduced along with heat loss in the heat preservation process until the temperature is set, and repeatedly heats and preserves heat. During the process, the user does not need water for some time, and the energy is not fully and effectively utilized if the user heats the water; and the water consumption of users in different time periods is different, and if the set temperature of the time period with small water consumption is too high, the redundant hot water can slowly cool and the energy can also be dissipated. Both of these situations result in wasted energy.
Disclosure of Invention
The embodiment of the invention aims to provide a method and a device for determining water consumption, a water heater and a storage medium, which can solve the problems of water consumption storage and water consumption time period temperature setting and achieve the aim of saving energy on the premise of meeting the water consumption requirements of users.
To achieve the above object, a first aspect of the present invention provides a method for determining an amount of water used, comprising:
acquiring the current water consumption at a first time point;
determining a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption;
determining a first water habit degree at a first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient;
determining a habit degree grade corresponding to the first water habit degree;
adjusting the preset water consumption of the target time point according to the habit degree grade;
and taking the adjusted preset water consumption as the target water consumption of a target time point, wherein the target time point is later than the first time point.
In an embodiment of the present invention, determining the time fluctuation coefficient and the water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption includes: determining the time fluctuation coefficient as a preset value under the condition that the current water consumption is greater than the standard water consumption; the water consumption fluctuation coefficient is the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption.
In the embodiment of the invention, under the condition that the current water consumption is less than or equal to the standard water consumption, the water consumption at the second time point is obtained; determining the time fluctuation coefficient as the time difference between the second time point and the first time point under the condition that the water consumption at the second time point is greater than the standard water consumption; wherein the second time point is earlier than the first time point.
In the embodiment of the present invention, in the case that the water consumption at the second time point is less than or equal to the standard water consumption, the above steps are repeated until the water consumption at one time point is greater than the standard water consumption, and the time fluctuation coefficient is determined as the time difference between the time point at which the water consumption is greater than the standard water consumption and the first time point.
In an embodiment of the present invention, the predicted water consumption corresponding to the first time point is determined according to the historical water consumption corresponding to the first time point of each day within the preset historical time period.
In an embodiment of the present invention, determining the first water habit at the first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient comprises: traversing a plurality of preset numerical values; and determining the first water habit degree according to the numerical value matched with the water consumption fluctuation coefficient and the time fluctuation coefficient.
In the embodiment of the invention, the first water habit degree is determined according to the matched numerical value of the water consumption fluctuation coefficient and the time fluctuation coefficient; matching the time fluctuation coefficient and the water consumption fluctuation coefficient with a plurality of groups of numerical values in sequence; and determining the first water habit degree according to the first matched numerical value.
In an embodiment of the present invention, determining the first water habit at the first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient comprises: acquiring a second water habit degree at a second time point; carrying out weighted summation on the first water habit degree and the second water habit degree to obtain a third water habit degree; taking the third water habit as the water habit at the first time point; wherein the second time point is earlier than the first time point.
In an embodiment of the present invention, the acquiring the second water habit at the second time point includes:
under the condition that the second time point is the initial time point, the second habit degree is a preset initial habit degree;
and under the condition that the second time point is not the initial time point, the second habit degree is obtained by weighting and summing the habit degree of the previous time point of the second time point and the time fluctuation frequency corresponding to the second time point and the habit degree determined by the water consumption fluctuation coefficient.
In an embodiment of the invention, the weight of the first water habit is a first numerical value, and the weight of the second water habit is a second numerical value.
In an embodiment of the present invention, adjusting the preset water consumption at the target time point according to the habit degree level includes: determining a water use allowance corresponding to the habit degree grade; and adjusting the preset water consumption of the target time point according to the water consumption allowance.
In an embodiment of the present invention, determining the water use allowance corresponding to the habit degree grade includes: the lower the numerical value of the first water habit degree is, the higher the water allowance corresponding to the habit degree grade is; the higher the value of the first water habit is, the lower the water use allowance corresponding to the habit level is.
A second aspect of the invention provides an apparatus for determining the amount of water used, comprising:
a water flow detector for determining a current water usage at a first time point;
a processor configured to determine a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption;
determining a first water habit degree at a first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient;
determining a habit degree grade corresponding to the first water habit degree;
adjusting the preset water consumption of the target time point according to the habit degree grade;
the adjusted preset water consumption is used as the target water consumption of the target time point;
wherein the target time point is later than the first time point;
and the water storage tank is used for preparing the target water consumption in advance at the target time point.
A third aspect of the invention provides a water heater comprising the above apparatus for determining the amount of water used.
A fourth aspect of the invention provides a machine-readable storage medium having stored thereon instructions which, when executed by a processor, cause the processor to be configured to perform the above-described method for determining water usage.
Through the technical scheme, the time period and the water consumption of the water heater used by the user can be known, the water heater is not heated when the user does not use hot water, and a proper amount of hot water is prepared in advance when the user uses the hot water, so that the water demand of the user can be met, and the energy can be saved.
Additional features and advantages of embodiments of the invention will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the embodiments of the invention without limiting the embodiments of the invention. In the drawings:
FIG. 1 schematically illustrates an application environment for a method for determining water usage according to an embodiment of the present invention;
FIG. 2 schematically illustrates a flow diagram of a method for determining water usage in accordance with an embodiment of the present invention;
FIG. 3 schematically shows a flow chart of step 202 in an embodiment in accordance with the invention;
FIG. 4 schematically illustrates a block diagram of an apparatus for determining water usage according to an embodiment of the present invention;
fig. 5 schematically shows a block diagram of a water heater according to an embodiment of the present invention.
Detailed Description
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating embodiments of the invention, are given by way of illustration and explanation only, not limitation.
The method for determining the water consumption can be applied to the application environment shown in fig. 1. The water heater 101 includes a processor 102. The processor carries out quantitative analysis by the fluctuation of water using time and the fluctuation of water using amount. The habit degree is quantified, namely the water regularity is fed back to the water heater through the quantitative evaluation of the processor on the habit degree during analysis, the habit degree is better to explain that the water is more regular, the water allowance can be accurately given, the heating temperature is set, and the energy-saving effect can be achieved on the premise of meeting the hot water requirement of a user.
Fig. 2 schematically shows a flow diagram of a method for determining water usage in accordance with an embodiment of the invention. The invention provides a method for determining water usage, comprising the steps of:
The first time point is the time corresponding to the target time point calculated according to the requirements set by technicians, the target time point is the time point at which the reserved water quantity of the user at the time point needs to be determined, and the current water consumption is the water consumption condition of the user at the current time point. For example, when the target time point is 10 points, 9 points may be taken as the first time point, and the current water usage amount at the first time point is acquired.
The time fluctuation coefficient is the absolute value of the time difference between the current time point and the time point reaching the standard water consumption. Wherein the standard water consumption is a specific value, when the current water consumption is greater than the standard water consumption, the current time point can be determined to be in the water consumption time period, and if the current water consumption is less than or equal to the standard water consumption. The current time point may be considered to be in the non-water use period. The water consumption fluctuation coefficient is the absolute value of the difference between the water consumption at the current time point and the water consumption at the first time point. The time fluctuation coefficient is a fluctuation value of the water use period, and the water amount fluctuation coefficient is a fluctuation value of the water use data. For example, when the time fluctuation coefficient is a and the water consumption fluctuation coefficient is b, water use data within ± a periods (of the same day) are used as the period water use data results in a summary evaluation of a certain water use period. And defining the water consumption fluctuation coefficient b, and setting the time interval accumulated water consumption fluctuation range to be +/-b liters.
In one embodiment, determining the time fluctuation coefficient and the water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption comprises: determining the time fluctuation coefficient as a preset value under the condition that the current water consumption is greater than the standard water consumption; the water consumption fluctuation coefficient is the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption, wherein the standard water consumption is a specific value. For example, the standard water usage may be set to 4L, or may be set to a desired value according to the actual living habits of the user, and if the current water usage is greater than the set desired value, the user is considered to be in the water usage period at the current time point.
In one embodiment, in the case that the current water consumption is less than or equal to the standard water consumption, acquiring the water consumption at the second time point; determining the time fluctuation coefficient as the time difference between the second time point and the first time point under the condition that the water consumption at the second time point is greater than the standard water consumption; wherein the second time point is earlier than the first time point.
The second time point is a time that is a fixed time interval away from the first time point, and the second time point is earlier than the first time point. For example, the fixed time interval may be set as T according to the user requirement, the first time point is T1, the second time point is (T1-T), when the water consumption at the first time point is less than or equal to the standard water consumption, the water consumption at the second time point is obtained, and the specific value of the time fluctuation coefficient is determined according to the comparison between the water consumption at the second time point and the standard water consumption.
In one embodiment, determining the time fluctuation coefficient and the water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption comprises: determining the time fluctuation coefficient as a preset value under the condition that the current water consumption is greater than the standard water consumption; the water consumption fluctuation coefficient is the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption. Under the condition that the current water consumption is less than or equal to the standard water consumption, acquiring the water consumption at a second time point; determining the time fluctuation coefficient as the time difference between the second time point and the first time point under the condition that the water consumption at the second time point is greater than the standard water consumption; wherein the second time point is earlier than the first time point.
In one embodiment, in the case that the water consumption at the second time point is less than or equal to the standard water consumption, the steps of the above embodiment are repeated until there is a case that the water consumption at one time point is greater than the standard water consumption, and the time fluctuation coefficient is determined as the time difference between the time point at which the water consumption is greater than the standard water consumption and the first time point.
For example, the fixed time interval is set as T, the first time point is T1, the second time point is (T1-T), when the water consumption of the first time point is less than or equal to the standard water consumption, the water consumption of the second time point is obtained, according to the comparison between the water consumption of the second time point and the standard water consumption, if the water consumption of the second time point (T1-T) is greater than the standard water consumption, the time fluctuation coefficient is the absolute value of the time difference between the second time point and the first time point, if the water consumption of the second time point is less than or equal to the standard water consumption, the fixed time interval between the second time point and the first time point is increased until the water consumption of the second time point is greater than the standard water consumption, and the specific value of the time fluctuation coefficient is determined.
In one embodiment, in the case that the current water consumption is less than or equal to the standard water consumption, acquiring the water consumption at the second time point; determining the time fluctuation coefficient as the time difference between the second time point and the first time point under the condition that the water consumption at the second time point is greater than the standard water consumption; wherein the second time point is earlier than the first time point. And under the condition that the water consumption at the second time point is less than or equal to the standard water consumption, repeating the steps until the water consumption at one time point is more than the standard water consumption, and determining the time fluctuation coefficient as the time difference between the time point corresponding to the water consumption more than the standard water consumption and the first time point.
In one embodiment, determining the time fluctuation coefficient and the water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption comprises: determining the time fluctuation coefficient as a preset value under the condition that the current water consumption is greater than the standard water consumption; under the condition that the current water consumption is less than or equal to the standard water consumption, acquiring the water consumption at a second time point; the water consumption fluctuation coefficient is the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption; determining the time fluctuation coefficient as the time difference between the second time point and the first time point under the condition that the water consumption at the second time point is greater than the standard water consumption; and under the condition that the water consumption at the second time point is less than or equal to the standard water consumption, repeating the steps until the water consumption at one time point is more than the standard water consumption, and determining the time fluctuation coefficient as the time difference between the time point corresponding to the water consumption more than the standard water consumption and the first time point. Wherein the second time point is earlier than the first time point.
As shown in fig. 3, in an embodiment of the present invention, step 202 includes:
And step 303, determining the water consumption fluctuation coefficient as the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption.
At step 304, the water usage at the second time point is obtained.
305, judging whether the water consumption at the second time point is greater than the standard water consumption, if so, executing 306; if not, go to step 307.
At step 307, the water usage is confirmed at a time point prior to the time interval t.
For example, to obtain the time fluctuation coefficient at the first time point, the standard water consumption is defined to be a specific value, such as 4L, and the water consumption less than or equal to 4L can be specified as the non-water-use time period, otherwise, the water-use time period. The time fluctuation coefficient a is defined (according to the actual water consumption condition record, such as the actual water consumption record under the available water condition, and the record is 0 under the no-water condition), and the water consumption data in x +/-a time intervals (of the same day) is used as the time interval water consumption data result when the habit degree evaluation is carried out on a certain water consumption time interval x. And defining a water consumption fluctuation coefficient b, wherein the fluctuation range of the accumulated water consumption in the time period during habit degree evaluation is +/-bL. Wherein the parameter a is a time fluctuation coefficient, and the parameter b is a water consumption fluctuation coefficient. When the first time point is 9 points and the fixed time interval is 1h, if the water consumption at the 9 points is more than 4L, a is 0. When the water consumption at the 9 points is less than or equal to 4L, determining whether the water consumption at the 8 points is more than 4L at a previous time interval, if so, changing a to 1; if not, continuously determining whether the water consumption at the 7 points is more than 4L or not, and if yes, changing a to 2; by analogy, the value of the time fluctuation coefficient a can be determined until the water consumption at a certain time point is more than the standard water consumption.
In one embodiment, the predicted water usage at the first time point is determined based on historical water usage at the first time point for each day during a predetermined historical time period.
For example, if the water heater is to predict the water consumption at 9 o 'clock of the day, the predicted water consumption is determined by calculation according to the historical water consumption corresponding to the water consumption at 9 o' clock recorded each day before, wherein one way of calculation is: the predicted water consumption corresponding to the first time point is determined according to the average value of the historical water consumption corresponding to the first time point every day in the preset historical time period; the other calculation mode is as follows: the predicted water consumption corresponding to the first time point can be determined by calculating the historical water consumption corresponding to the first time point every day in the preset historical time period according to a preset calculation formula.
In one embodiment, determining the time fluctuation coefficient and the water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption comprises: and under the condition that the current water consumption is greater than the standard water consumption, determining the time fluctuation coefficient as a preset value, wherein the water consumption fluctuation coefficient is the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption. The predicted water consumption corresponding to the first time point is determined according to the historical water consumption corresponding to the first time point of each day in the preset historical time period.
It can be understood that the time fluctuation coefficient and the water quantity fluctuation coefficient can be determined through the difference between the water consumption and the difference between the water consumption time periods, the daily water consumption condition of a user is statistically analyzed, the regularity of the water consumption data is evaluated, the regularity of the water consumption is divided into the regularity of the water consumption time and the regularity of the water consumption, the water consumption habit is determined mainly by the fluctuation of the water consumption time and the fluctuation of the water consumption, and the smaller the fluctuation of the water consumption time is, the better the water consumption habit of the user is considered to be. Therefore, quantitative analysis of the water consumption time fluctuation and the water consumption fluctuation is needed to analyze the water consumption habits of users. Therefore, the time fluctuation coefficient and the water consumption fluctuation coefficient are defined to assist the analysis, and the habit degree, namely the regularity of water, is noticed during the analysis, and the water consumption time fluctuation and the water consumption fluctuation are established within the period of the water consumption presentation of a user. The water consumption time and the water consumption fluctuation are small, the water consumption periodicity of a user is obvious, and on the contrary, the water consumption data distribution randomness is large, even no periodicity can be said. The evaluation of water usage habits can reflect the quality of the water usage data by analyzing the periodicity thereof.
And step 203, determining a first water habit degree at a first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient.
In one embodiment, determining the first water habit at the first time point based on the time fluctuation factor and the water usage fluctuation factor comprises: traversing a plurality of preset values, and determining the first water habit degree according to the value matched with the water consumption fluctuation coefficient and the time fluctuation coefficient. The habit degree is a standard specific value after quantitative processing of the water habit of the user.
At this time, habit evaluation needs to be performed separately for each water consumption time interval, and the time fluctuation coefficient and the water consumption fluctuation coefficient are a certain value range which changes regularly, such as { (0,10), (0,20), (1,10), (1,20), (2,20), (2,30) … … (a, b), … }. Wherein a is a time fluctuation coefficient, and b is a water consumption fluctuation coefficient. Defining an initial value of a time fluctuation coefficient and a water consumption fluctuation coefficient, if the time fluctuation coefficient and the water consumption fluctuation coefficient are successful, returning the current values of the time fluctuation coefficient and the water consumption fluctuation coefficient, if the time fluctuation coefficient and the water consumption fluctuation coefficient are counted once according to a certain fixed time interval, determining the water consumption at a first time point, counting and finding that the water consumption in the fixed time interval range of a corresponding prediction time period of the first time point every day is in the initial value fluctuation range, and then, indicating that the initial value is successfully returned. If the return value does not match the preset value, the error range can be expanded, and the like until the return value is suitable, otherwise, the next group of preset values with larger range is used for carrying out periodic analysis again, and the like. If the return values of all the coefficients cannot be met, presetting the return values, and setting the time fluctuation coefficient and the water consumption fluctuation coefficient as preset return values with a wider range.
In one embodiment, the first water habit is determined based on values that match the water consumption fluctuation coefficient and the time fluctuation coefficient, the time fluctuation coefficient and the water consumption fluctuation coefficient are sequentially matched with a plurality of sets of values, and the first water habit is determined based on the first matched values.
At the moment, habit degree evaluation needs to be carried out on each water consumption time interval independently, and the value ranges of the time fluctuation coefficient and the water consumption fluctuation coefficient are { (0,10), (0,20), (1,10), (1,20), (2,20), (2,30) … … (a, b) and … }. For example, the initial values of the time fluctuation coefficient and the water consumption fluctuation coefficient are defined as (1,10), if success is achieved, the current values of the time fluctuation coefficient and the water consumption fluctuation coefficient are returned, if the fixed time interval is taken as 1 hour for counting, for example, the water consumption of 8:00 is 100 liters, and if statistics shows that the water consumption of 7:00 or 8:00 or 9:00 in the fixed time interval range of the prediction time period of each day is 90, the setting of the initial values of (1,10) is returned to success. If the return value is not matched with the preset value, the error range can be expanded, and the process is analogized until the return value is suitable, otherwise, the next group of time fluctuation coefficient and water consumption fluctuation coefficient preset values (1,20) are used for carrying out periodic analysis again, and the process is analogized. If the return values of all the coefficients cannot be met, presetting the return values, and setting the time fluctuation coefficient and the water consumption fluctuation coefficient as (3, 50).
In one embodiment, determining the first water habit at the first time point based on the time fluctuation factor and the water usage fluctuation factor comprises: traversing a plurality of preset values, and determining the first water habit degree according to the value matched with the water consumption fluctuation coefficient and the time fluctuation coefficient. And determining a first water habit degree according to the numerical values matched with the water consumption fluctuation coefficient and the time fluctuation coefficient, sequentially matching the time fluctuation coefficient and the water consumption fluctuation coefficient with a plurality of groups of numerical values, and determining the first water habit degree according to the firstly matched numerical values.
Specifically, the original data of the water consumption of the user can be regarded as two-dimensional data, if the water consumption information of the user is recorded every time t, in order to obtain the time fluctuation coefficient of the first time point, the standard water consumption is defined to be a specific value, for example, 4L, the water consumption less than or equal to 4L can be specified as a non-water-consumption time period according to the requirement, otherwise, the water consumption time period is the water consumption time period. The time fluctuation coefficient a is defined (according to the actual water consumption condition record, such as the actual water consumption record under the available water condition, and the record is 0 under the no-water condition), and the water consumption data in x +/-a time intervals (of the same day) is used as the time interval water consumption data result when the habit degree evaluation is carried out on a certain water consumption time interval x. And defining a water consumption fluctuation coefficient b, wherein the fluctuation range of the accumulated water consumption in the time period during habit degree evaluation is +/-bL. Wherein the parameter a is a time fluctuation coefficient, and the parameter b is a water consumption fluctuation coefficient. When the first time point is 9 points and the fixed time interval is 1h, if the water consumption at the 9 points is more than 4L, a is 0. When the water consumption at the 9 points is less than or equal to 4L, determining whether the water consumption at the 8 points is more than 4L at a previous time interval, if so, changing a to 1; if not, continuously determining whether the water consumption at the 7 points is more than 4L or not, and if yes, changing a to 2; by analogy, the value of the time fluctuation coefficient a can be determined until the water consumption at a certain time point is more than the standard water consumption.
And (3) evaluating the habit independently in each time interval, (the habit of the whole period cannot be obtained, which is only used for correction, and the habit is more and more accurate after multiple corrections), wherein the value range of the water consumption fluctuation coefficient b is { (0,10), (0,20), (1,10), (1,20), (2,20), (2,30) … … (a, b) and … }. For example, the initial values of the time fluctuation coefficient and the water consumption fluctuation coefficient are defined as (1,10), if success is achieved, the current values of the time fluctuation coefficient and the water consumption fluctuation coefficient are returned, if the fixed time interval is taken as 1 hour for counting, for example, the water consumption of 8:00 is 100 liters, and if statistics shows that the water consumption of 7:00 or 8:00 or 9:00 in the fixed time interval range of the prediction time period of each day is 90, the setting of the initial values of (1,10) is returned to success. If the return value is not matched with the preset value, the error range can be expanded, and the process is analogized until the return value is suitable, otherwise, the next group of time fluctuation coefficient and water consumption fluctuation coefficient preset values (1,20) are used for carrying out periodic analysis again, and the process is analogized. If the return values of all the coefficients cannot be met, presetting the return values, and setting the time fluctuation coefficient and the water consumption fluctuation coefficient as (3, 50).
For example, when water is not used at 8:00, water is used at 20 liters, water is used at 100 liters, water is used at 8:00 and water is used at 15:00 points, a proper time fluctuation coefficient and a proper water consumption fluctuation coefficient cannot be matched with the water consumption fluctuation coefficient, and the water consumption fluctuation coefficients are uniformly set to return values (3,50) with a wide range without regularity.
And determining a first water habit degree according to the numerical values matched with the water consumption fluctuation coefficient and the time fluctuation coefficient, sequentially matching the time fluctuation coefficient and the water consumption fluctuation coefficient with a plurality of groups of numerical values, and determining the first water habit degree according to the firstly matched numerical values. The corresponding relationship is shown in the following table one:
watch 1
And step 204, determining the habit degree grade corresponding to the first water habit degree.
In one embodiment, determining the first water habit at the first time point based on the time fluctuation factor and the water usage fluctuation factor comprises: and acquiring the second water habit degree of the second time point, weighting and summing the first water habit degree and the second water habit degree to obtain a third water habit degree, and taking the third water habit degree as the water habit degree of the first time point. Wherein the second time point is earlier than the first time point. The third water habit degree is the required target final water habit degree, and the summed weighting coefficient is a specified weight.
In one embodiment, obtaining the second water habit at the second time point comprises: under the condition that the second time point is the initial time point, the second habit degree is a preset initial habit degree; and under the condition that the second time point is not the initial time point, the second habit degree is obtained by weighting and summing the habit degree of the previous time point of the second time point, the time fluctuation coefficient corresponding to the second time point and the habit degree determined by the water consumption fluctuation coefficient.
In one embodiment, obtaining the second water habit at the second time point comprises: and under the condition that the second time point is the initial time point, the second habit degree is a preset initial habit degree, and under the condition that the second time point is not the initial time point, the second habit degree is obtained by carrying out weighted summation on the habit degree of the previous time point of the second time point, the time fluctuation times corresponding to the second time point and the habit degree determined by the water consumption fluctuation coefficient. The weight of the first water habit degree is a first numerical value, and the weight of the second water habit degree is a second numerical value. Determining first water habit according to the numerical values matched with the water consumption fluctuation coefficient and the time fluctuation coefficient, sequentially matching the time fluctuation coefficient and the water consumption fluctuation coefficient with a plurality of groups of numerical values, determining the first water habit according to the firstly matched numerical values, and then obtaining the final water habit according to a weighting formula. Wherein, the final water habit is the first water habit and the weighting coefficient is 1+ the second water habit and the weighting coefficient is 2.
For example: if the second time point is the initial time point 0, the water usage habit is set to 80% (this is the set value), and if the second time point is not 0, the weighting factors are set to 0.8 and 0.2, then the second water usage habit can be obtained according to the water usage habit at the previous time point 0.8+ the habit at the time point to be calculated currently 0.2. When the user uses the water heater for the first time, the habit degree initial value is set to be 80%, and after the habit degree is evaluated in each time period, lag correction is carried out to be used as the current value of the habit degree. The habit at the first time point before correction is P ', the habit at the second time point is P1, (cumulative, 80% at the beginning, if one time interval is poor, the corrected habit is affected, for example, the habit is lowered to 70%, if the next time interval is good, 100%, after calculation by the weighting formula, the final habit of water use is 70%. 0.8+ 100%. 0.2 ═ 76%, wherein the weighting coefficient and the habit initial value are both 0.8), and then the corrected habit weighting formula is P'. 0.8+ P1.0.2.
And carrying out habit degree grade division on the habit degrees obtained after weighting, determining the habit degree grade according to the habit degree interval where the current habit degree is located, and totally dividing the habit degree into 5 grades. If the current habit degree is 80%, the habit degree grade is I, and the habit degree grade corresponding to the habit degree interval is as follows:
when the habit is in the interval [ 80%, ∞), the corresponding habit grade is I;
when the habit degree is in the interval [ 60%, 80%), the corresponding habit degree grade is II;
when the habit is in the interval [ 40%, 60%), the corresponding habit grade is III;
when the habit is in the interval [ 20%, 40%), the corresponding habit grade is IV;
when the degree of habit is in the interval [ 0%, 20%), the corresponding degree of habit level is V.
And step 205, adjusting the preset water consumption of the target time point according to the habit degree grade.
In one embodiment, adjusting the preset water usage of the target time point according to the habit level comprises: determining a water use allowance corresponding to the habit degree grade; and adjusting the preset water consumption of the target time point according to the water consumption allowance.
In one embodiment, determining the water use allowance corresponding to the habit degree grade comprises: the lower the numerical value of the first water habit degree is, the higher the water allowance corresponding to the habit degree grade is; the higher the value of the first water habit is, the lower the water use allowance corresponding to the habit level is.
And step 206, taking the adjusted preset water consumption as the target water consumption of the target time point. Wherein the target time point is later than the first time point.
In one embodiment, adjusting the preset water usage of the target time point according to the habit level comprises: determining a water use allowance corresponding to the habit degree grade; and adjusting the preset water consumption of the target time point according to the water consumption allowance. Determining the water use allowance corresponding to the habit degree grade comprises the following steps: the lower the numerical value of the first water habit degree is, the higher the water allowance corresponding to the habit degree grade is; the higher the value of the first water habit is, the lower the water use allowance corresponding to the habit level is.
For example: when the first water habit degree grade is I, the water heater system provides less water allowance; and when the first water habit degree grade is V, correspondingly preparing more water use allowance in advance. The lower the habit degree grade value is, the better the regularity of water consumption is, the water consumption can be accurately given by the water heater system, and the water resource waste is reduced, thereby achieving the effect of saving energy. The higher the habit degree grade value is, the lower the water consumption regularity is, in order to meet the water demand of a user, the water heater needs to prepare hot water earlier, the hot water amount also needs to give a larger margin, and the energy-saving effect is relatively poor.
In one embodiment, adjusting the preset water usage of the target time point according to the habit level comprises: determining a water use allowance corresponding to the habit degree grade; and adjusting the preset water consumption of the target time point according to the water consumption allowance. Determining the water use allowance corresponding to the habit degree grade comprises the following steps: the lower the numerical value of the first water habit degree is, the higher the water allowance corresponding to the habit degree grade is; the higher the value of the first water habit is, the lower the water use allowance corresponding to the habit level is. Specifically, the water heater system sets the water usage margin according to the habit degree rating as follows:
when the habit degree level is I: correspondingly increasing the water allowance for 10L;
when the habit degree level is II: correspondingly increasing the water allowance for 10L;
when the habituation degree grade is III: correspondingly increasing the water allowance for 25L;
when the habituation degree level is IV: correspondingly increasing the water use allowance of 35L;
when the habit degree level is V: correspondingly increasing the 50L water allowance.
In one embodiment, as shown in fig. 4, there is provided an apparatus 400 for determining water usage, comprising:
a water flow detector 401 configured to determine a current water usage at a first point in time.
The processor 402 is configured to determine a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption, and determine a first water habit degree at the first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient; and determining the habit degree grade corresponding to the first water habit degree, adjusting the preset water consumption at the target time point according to the habit degree grade, and taking the adjusted preset water consumption as the target water consumption at the target time point. Wherein the target time point is later than the first time point.
A water storage tank 403 configured to previously prepare the water usage at the target time point as a target water usage.
In one embodiment, the water flow detector 401 is further configured to determine a current water usage at a second time point, and in case the current water usage is less than or equal to the standard water usage, obtain the water usage at the second time point;
in one embodiment, the processor 402 is further configured to obtain a second water habit at a second time point, where the second time point is an initial time point, the second habit is a preset initial habit; and under the condition that the second time point is not the initial time point, the second habit degree is obtained by weighting and summing the habit degree of the previous time point of the second time point, the time fluctuation coefficient corresponding to the second time point and the habit degree determined by the water consumption fluctuation coefficient.
In one embodiment, the processor 402 is further configured to adjust the preset water usage at the target time point according to the habit degree grades, determine that different habit degree grades correspond to different water usage margins, and then adjust the preset water usage at the target time point according to the water usage margins.
In one embodiment, as shown in FIG. 5, a water heater 500 is provided that includes the apparatus 400 for determining water usage as described above.
Embodiments of the present invention provide a machine-readable storage medium having instructions stored thereon, wherein the instructions, when executed by a processor, cause the processor to be configured to perform the above-described method for determining water usage.
The present application further provides a computer program product adapted to perform a program for initializing the following method steps when executed on a data processing device: acquiring the current water consumption at a first time point; determining a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption; determining a first water habit degree at a first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient; determining a habit degree grade corresponding to the first water habit degree; adjusting the preset water consumption of the target time point according to the habit degree grade; the adjusted preset water consumption is used as the target water consumption of the target time point; wherein the target time point is later than the first time point.
In one embodiment, determining the time fluctuation coefficient and the water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption comprises: determining the time fluctuation coefficient as a preset value under the condition that the current water consumption is greater than the standard water consumption; and the water consumption fluctuation coefficient is the absolute value of the difference value between the predicted water consumption corresponding to the first time point and the current water consumption.
In one embodiment, determining the first water habit at the first time point based on the time fluctuation factor and the water usage fluctuation factor comprises: traversing a plurality of preset numerical values; and determining the first water habit degree according to the numerical value matched with the water consumption fluctuation coefficient and the time fluctuation coefficient.
In one embodiment, determining the first water habit at the first time point based on the time fluctuation factor and the water usage fluctuation factor comprises: acquiring a second water habit degree at a second time point; carrying out weighted summation on the first water habit degree and the second water habit degree to obtain a third water habit degree; taking the third water habit as the water habit at the first time point; wherein the second time point is earlier than the first time point.
In one embodiment, adjusting the preset water usage of the target time point according to the habit level comprises: determining a water use allowance corresponding to the habit degree grade; and adjusting the preset water consumption of the target time point according to the water consumption allowance.
As will be appreciated by one skilled in the art, embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, Random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), Static Random Access Memory (SRAM), Dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), Read Only Memory (ROM), Electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), Digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium that can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that 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 an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (14)
1. A method for determining water usage, comprising:
acquiring the current water consumption at a first time point;
determining a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption, wherein the time fluctuation coefficient is determined to be a preset value under the condition that the current water consumption is greater than a standard water consumption, and the water consumption fluctuation coefficient is an absolute value of a difference value between the predicted water consumption corresponding to the first time point and the current water consumption;
determining a first water habit degree of the first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient;
determining habit degree grades corresponding to the first water habit degrees;
adjusting the preset water consumption of the target time point according to the habit degree grade;
the adjusted preset water consumption is used as the target water consumption of the target time point;
wherein the target time point is later than the first time point.
2. The method of claim 1, further comprising:
under the condition that the current water consumption is less than or equal to the standard water consumption, acquiring the water consumption at a second time point;
determining the time fluctuation coefficient as the time difference between the second time point and the first time point under the condition that the water consumption at the second time point is greater than the standard water consumption;
wherein the second time point is earlier than the first time point.
3. The method of claim 2, further comprising:
in the event that the water usage at the second time point is less than or equal to the standard water usage, repeating the steps of: determining the water consumption at a time point before a time interval t, and taking the time point as a new second time point to obtain the water consumption of the new second time point; and determining the time fluctuation coefficient as the time difference between the time point corresponding to the water consumption greater than the standard water consumption and the first time point until a new second time point exists when the water consumption is greater than the standard water consumption.
4. The method of claim 1, wherein the predicted water usage at the first time point is determined from historical water usage at the first time point for each day over a preset historical period of time.
5. The method of claim 1, wherein determining the first degree of water habit at the first time point based on the time and water usage fluctuation factors comprises:
traversing a plurality of preset numerical values;
and determining the first water habit degree according to the numerical value matched with the water consumption fluctuation coefficient and the time fluctuation coefficient.
6. The method of claim 5, wherein the first degree of water habit is determined based on a value that matches the water usage fluctuation factor and the time fluctuation factor;
matching the time fluctuation coefficient and the water consumption fluctuation coefficient with the plurality of groups of numerical values in sequence;
and determining the first water habit degree according to the first matched numerical value.
7. The method of claim 1, wherein determining the first degree of water habit at the first time point based on the time and water usage fluctuation factors comprises:
acquiring a second water habit degree at a second time point;
carrying out weighted summation on the first water habit degree and the second water habit degree to obtain a third water habit degree;
taking the third water habit degree as the water habit degree of the first time point;
wherein the second time point is earlier than the first time point.
8. The method of claim 7, wherein the obtaining the second water habit degree at the second time point comprises:
when the second time point is an initial time point, the second habit degree is a preset initial habit degree;
and under the condition that the second time point is not the initial time point, the second habit degree is obtained by carrying out weighted summation on the habit degree of the previous time point of the second time point, the time fluctuation coefficient corresponding to the second time point and the habit degree determined by the water consumption fluctuation coefficient.
9. The method of claim 7, wherein the first water habit is weighted by a first value and the second water habit is weighted by a second value.
10. The method of claim 1, wherein the adjusting the preset water usage of the target time point according to the habit degree rating comprises:
determining a water use allowance corresponding to the habit degree grade;
and adjusting the preset water consumption of the target time point according to the water consumption allowance.
11. The method of claim 10, wherein the determining the water use margin corresponding to the habit degree ranking comprises:
the lower the numerical value of the first water habit degree is, the higher the water allowance corresponding to the habit degree grade is;
and the higher the numerical value of the first water habit degree is, the lower the water use allowance corresponding to the habit degree grade is.
12. An apparatus for determining water usage, comprising:
a water flow detector for determining a current water usage at a first time point;
a processor configured to determine a time fluctuation coefficient and a water consumption fluctuation coefficient corresponding to the first time point according to the current water consumption, wherein in a case that the current water consumption is greater than a standard water consumption, the time fluctuation coefficient is determined to be a preset value, and the water consumption fluctuation coefficient is an absolute value of a difference value between a predicted water consumption corresponding to the first time point and the current water consumption;
determining a first water habit degree of the first time point according to the time fluctuation coefficient and the water consumption fluctuation coefficient;
determining habit degree grades corresponding to the first water habit degrees;
adjusting the preset water consumption of the target time point according to the habit degree grade;
the adjusted preset water consumption is used as the target water consumption of the target time point;
wherein the target time point is later than the first time point;
a water storage tank for storing the target water amount as a water amount prepared in advance at the target time point.
13. A water heater comprising the device for determining water usage of claim 12.
14. A machine readable storage medium having instructions stored thereon, which when executed by a processor causes the processor to be configured to perform a method for determining water usage according to any one of claims 1 to 11.
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