CN114971206B - Water saving and controlling method and system for campus public bathhouse - Google Patents
Water saving and controlling method and system for campus public bathhouse Download PDFInfo
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Abstract
The invention relates to the technical field of artificial intelligence, in particular to a water saving and controlling method and system for a public bathhouse in a campus. Firstly, collecting the water outlet flow of a shower, the environmental temperature of a bathhouse, the water outlet temperature and the water using time; calculating habit evaluation factors of the shower person by combining the water consumption time and the water outlet temperature; based on the bathhouse environmental temperature, carrying out cold and hot spot analysis on the bathhouse environmental temperature, and determining the distribution condition of the bathhouse environmental temperature to obtain the environmental temperature score of each position; determining a current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows; and judging the behavior of the shower person based on the water outlet temperature and the water using time to obtain a judgment coefficient, and adjusting the maximum water outlet flow and the water outlet temperature based on the habit evaluation factor and the system understanding coefficient when the shower person has the behavior of wasting water. According to the embodiment of the invention, the collected data information is analyzed, so that the adjustment and control of the maximum water outlet flow and the water outlet temperature are realized, and the purposes of saving water and energy are achieved.
Description
Technical Field
The invention relates to the technical field of artificial intelligence, in particular to a water saving and controlling method and system for a public bathhouse in a campus.
Background
At present, intelligent campus construction is promoted in all universities, one-card multi-purpose is realized in the campus, and campus cards are used for directly paying under a plurality of scenes. The common students in bathhouses can enjoy the hot water bath only by inserting the card, the card reader starts to deduct fees along with time after inserting the card according to time, the change of water flow is not used as a reference, the students who can bath at different positions experience different, the water flow is larger, the same bath time is longer than the wasted water flow at the same position, and partial personnel can have the behavior of wasting water resources due to the fact that the water flow and the water temperature of the shower are not controlled.
Disclosure of Invention
In order to solve the technical problems, the invention aims to provide a water saving and controlling method and system for a public bathhouse in a campus, and the adopted technical scheme is as follows:
In a first aspect, an embodiment of the present invention provides a method for saving and controlling water in a public bathhouse in a campus, the method including the steps of:
Collecting shower data information, including: the water outlet flow of the shower, the environmental temperature of the bathhouse, the water outlet temperature and the water using time;
The water consumption behavior of a shower person during bathing is evaluated by combining the water consumption time length and the water outlet temperature to obtain a habit evaluation factor; based on the environmental temperature of the bathhouse at each position, carrying out cold and hot point analysis on the environmental temperature of the bathhouse, and determining the distribution condition of the environmental temperature of the bathhouse to obtain the environmental temperature score of each position; determining a current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows;
And judging the behavior of the shower person based on the water outlet temperature and the water using time length to obtain a judgment coefficient, and adjusting the maximum water outlet flow and the water outlet temperature based on the habit evaluation factor and the current system understanding coefficient when the shower person has the behavior of wasting water.
Preferably, the method for evaluating the water waste behavior of a shower person during bathing by combining the water consumption time and the water outlet temperature to obtain a habit evaluation factor includes:
The calculation formula of the habit evaluation factor is as follows:
Wherein W is the habit evaluation factor; e is a natural constant; time wash is the water use period; count (Time wash) is the number of times the shower is turned on and off; Is the water use time length of the ith odd item in the water use time length sequence; t wi is the ith outlet water temperature in the outlet water temperature sequence; t std is the standard water temperature of the effluent; alpha is a first correction coefficient; max odd is the number of odd items in the sequence of water use durations; tanh is a hyperbolic tangent function; count is a Count function.
Preferably, the determining the current system forgiveness coefficient according to the difference of the environmental temperature scores and the difference of the water flow rates includes:
Calculating an initial system forgive coefficient according to the difference of the water flow; the product of the initial system understanding coefficient and the absolute value of the ambient temperature score is the current system understanding coefficient.
Preferably, the calculating the initial system understanding coefficient according to the difference of the water flow comprises:
the calculation formula of the initial system forgiveness coefficient is as follows:
Wherein Y is the initial system forgiveness coefficient; beta is a second correction coefficient; q i is the ith water outlet flow in the water outlet flow sequence; median is a median function; media (Q) is the median of the effluent flow sequence.
Preferably, the determining the behavior of the shower person based on the water outlet temperature and the water use time length to obtain a determination coefficient includes:
the calculation formula of the judgment coefficient is as follows:
H＝Max(sign(tanh(mean((T′wi-Tstd)2)*α)-0.4),sign(t1*γ-t1- Ginseng radix ))
Wherein H is the judgment coefficient; sign is a sign function; tanh is a hyperbolic tangent function; mean is the mean function; t std is the standard water temperature of the effluent; t' wi is the real-time effluent water temperature; alpha is a first correction coefficient; t 1 is the water use time length of the 1 st section in the water use time length sequence; gamma is a third correction coefficient; t 1- Ginseng radix is the reference time of the water use period of the 1 st segment in the water use period series.
Preferably, adjusting the maximum water flow based on the habit evaluation factor and the current system understanding coefficient includes:
The calculation formula of the adjusted maximum water outlet flow is as follows:
Wherein Q change is the maximum water flow after adjustment; max is a maximum function; q Max is the maximum outlet flow in the outlet flow sequence; w is the habit evaluation factor; e is a natural constant; j is the understanding coefficient of the current system.
Preferably, adjusting the outlet water temperature based on the current system understanding coefficient includes:
the calculation formula of the adjusted water temperature of the outlet water is as follows:
Tchange＝Twi+(Tstd-Twi)*e-J
wherein T change is the adjusted water temperature of the effluent; t wi is the ith outlet water temperature in the outlet water temperature sequence; t std is the standard water temperature of the effluent; e is a natural constant; j is the understanding coefficient of the current system.
In a second aspect, an embodiment of the present invention provides a system for saving and controlling water in a public bathhouse in a campus, including a memory, a processor, and a computer program stored in the memory and capable of running on the processor, where the processor implements the method for saving and controlling water in a public bathhouse in the campus when executing the computer program.
The embodiment of the invention has at least the following beneficial effects:
The embodiment of the invention utilizes an artificial intelligence technology, and the method firstly collects the data information of the shower and comprises the following steps: the water outlet flow of the shower, the environmental temperature of the bathhouse, the water outlet temperature and the water using time; the water consumption behavior of a shower person during bath is evaluated by combining the water consumption time and the water outlet temperature to obtain a habit evaluation factor, the habit evaluation factor reflects the water consumption habit of the shower person, and the water consumption habit is combined to carry out subsequent analysis; based on the environmental temperature of the bathhouse at each position, carrying out cold and hot point analysis on the environmental temperature of the bathhouse, and determining the distribution condition of the environmental temperature of the bathhouse to obtain the environmental temperature score of each position; determining a current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows, wherein the current system understanding coefficient and the bathhouse environmental temperature of the current position of the bathhouse are corrected, so that misjudgment on whether the bathhouse wastes water resources or not due to the difference of the bathhouse environmental temperature is avoided; the method comprises the steps of judging the behavior of a shower person based on water outlet temperature and water use time length to obtain a judgment coefficient, adjusting the maximum water outlet flow and the water outlet temperature based on habit evaluation factors and system forgiveness coefficients when the behavior of wasting water exists in the shower person, adjusting the maximum water outlet flow and the water outlet temperature according to the water habit of the shower person, the influence of the position and the influence of the environmental temperature of a bathhouse, and further adjusting the maximum water outlet flow and the water outlet temperature to avoid the problem of water resource wasting caused by personal habit. According to the embodiment of the invention, the collected data information is analyzed, so that the adjustment and control of the maximum water outlet flow and the water outlet temperature are realized, and the purposes of saving water and energy are achieved.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions and advantages of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are only some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
FIG. 1 is a flow chart of a method for saving and controlling water in a public bathhouse in a campus, according to an embodiment of the present invention.
Detailed Description
In order to further describe the technical means and effects adopted by the invention to achieve the preset aim, the following is a method and a system for saving and controlling water in a public bathhouse in a campus, which are provided by the invention, with reference to the accompanying drawings and the preferred embodiment, and the specific implementation, structure, characteristics and effects thereof are described in detail below. In the following description, different "one embodiment" or "another embodiment" means that the embodiments are not necessarily the same. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
The embodiment of the invention provides a water saving and controlling method and a system for a campus public bathhouse, and the method is suitable for a shower control scene of the campus public bathhouse. The shower device comprises a plurality of shower compartments, wherein each shower compartment is provided with a plurality of shower heads, the positions of the shower compartments are different, the shower heads are close to a heating system, the shower heads are arranged in the shower compartments, a shower user can automatically regulate and control the water outlet flow and the water outlet temperature of the shower heads, and when the system detects that the shower user has the action of wasting water, the maximum water outlet flow and the water outlet temperature of the corresponding shower compartments are controlled. In order to solve the problem that water is wasted by some showerers, the embodiment of the invention realizes the adjustment and control of the maximum water outlet flow and the water outlet temperature by analyzing the acquired data information so as to achieve the purposes of saving water and energy.
The invention provides a water saving and controlling method and a water controlling system for a public bathhouse in a campus, and particularly relates to a specific scheme of the water saving and controlling method and the water controlling system for the public bathhouse in the campus.
Referring to fig. 1, a flow chart of steps of a water saving and controlling method for a public bathhouse in a campus according to an embodiment of the present invention is shown, and the method includes the following steps:
Step S100, collecting shower data information, including: the water outlet flow rate of the shower, the ambient temperature of the bathhouse, the water outlet temperature and the water using time.
The water flow of the current shower system is first metered.
Due to the different positions and the different shower heads, the shower outlet flow rate is different finally when the shower is performed. In order to achieve the aim of saving water, the water flow is necessary to be detected and controlled during water outlet.
The water flow of the water outlet can be detected by the existing flowmeter and installed on a water outlet pipeline of a shower, so that the water outlet flow Q (L/min) can be monitored in real time.
The water outlet flow sequence is obtained by determining the water outlet flow Q when the shower is performed.
Further, a bathhouse ambient temperature magnitude of the environment in the vicinity of the current shower is determined.
When the bath is performed, if the bath environment temperature is low, the shower person does not autonomously adjust the proportion of hot water to raise the temperature around the body, and under the condition of low temperature, most of hot water resources are used for raising the bath environment temperature, and under the condition of high ambient temperature, the situation can be considered as waste and control is needed.
The temperature sensor is distributed in the bathhouse, namely a plurality of positions in the bathroom are provided with the temperature sensor, a net structure is formed, and temperature information on each position is collected.
Therefore, according to the distribution condition of the bathrooms, the bathrooms environmental temperatures at a plurality of positions are obtained, and according to the change of the positions, a data set of the bathrooms environmental temperatures, namely a bathrooms environmental temperature sequence R= { R A,RB,RC……Rmore }, is obtained.
Further, the water temperature of the water outlet used by the current shower is determined.
The water temperature of the water outlet is regulated by a shower person according to the habit of the shower person, and the water temperature of the water outlet is possibly different when water flow is finally generated due to different comfort level of water temperature perception of each person.
If the water temperature of the effluent flowing out from a certain place is abnormally high or abnormally low, and the duration time is longer, the problem that the use of the current position is wasteful can be described to a certain extent.
The temperature of the water temperature of the effluent is determined as follows: the temperature sensor is arranged on the inner side of the pipeline and is in direct contact with flowing bath water for detection, so that the water temperature of the water outlet at each water outlet is obtained. It should be noted that the temperature sensor has been waterproofed.
The water temperature of the water outlet is monitored for a long time, namely, the water temperature change condition of the water outlet is obtained from the beginning of use of a shower person to the end of the shower, a water temperature sequence T w＝{Tw1,……Twi of the water outlet at each position is formed, the sampling frequency of the sequence is 0.2Hz, namely, water temperature information of the water outlet is acquired every 5 seconds.
Further, the water usage time period at each location is determined.
In general, during the bathing process, other cleaning steps are not needed, and if the water is always in an open running state, the state that water is wasted can be considered.
If the current water flow is in a discontinuous state, which indicates that the current shower person performs other cleaning steps and uses water intermittently, the current shower person can be identified as a water saving state.
Because the bath is started by the related operation after the card is inserted, the water consumption time of a shower person can be counted as a starting judgment state.
The water use Time period while the shower is showering is thus determined, resulting in the water use Time period sequence Time wash＝{t1,t2,t3……tn.
The water consumption time period is a data set generated when a shower person turns on and off water flow for a plurality of times. The number n of final data sets is thus uncertain. The data set is related to the shower habit of the shower person. And wherein the values in the even positions represent the length of time the shower turns off the running water, i.e. the shower operates the running water switch once, i.e. the primary time length data is determined, and the values in the odd positions represent the length of time each section of water is consumed by the shower.
Step S200, the water consumption behavior of a shower person during bath is evaluated by combining the water consumption time length and the water outlet temperature to obtain a habit evaluation factor; based on the environmental temperature of the bathhouse at each position, carrying out cold and hot point analysis on the environmental temperature of the bathhouse, and determining the distribution condition of the environmental temperature of the bathhouse to obtain the environmental temperature score of each position; and determining the understanding coefficient of the current system according to the difference of the environmental temperature scores and the difference of the water outlet flows.
And determining the behavior habit factors of water waste when a shower person takes a bath, and evaluating.
Firstly, if the shower person does not turn off running water from the start to the end, the water resource waste action is decided, so that the habit evaluation factor of the current shower person on water waste is measured according to the water consumption time of the shower person when the shower person uses water.
If the water temperature of the water outlet used by the shower person is not in a proper interval and the water temperature of the water outlet is stabilized for a long time, the abnormal condition can be judged, and the current shower person can be determined to have the motivation of wasting water. It should be noted that, in order to avoid misjudgment of the final result due to the presence of a large amount of cold water in the pipeline when the business is started every day, the system is not started within half an hour after the bathhouse starts to be operated.
And (3) evaluating the water waste behavior of a shower person during bathing by combining the water consumption time and the water outlet temperature to obtain a habit evaluation factor.
The calculation formula of the habit evaluation factor is as follows:
Wherein W is a habit evaluation factor; e is a natural constant; time wash is the water use duration sequence; count (Time wash) is the number of times the shower is turned on and off; Is the water use time length of the ith odd item in the water use time length sequence; t wi is the ith outlet water temperature in the outlet water temperature sequence; t std is the standard water temperature of the effluent; alpha is a first correction coefficient; max odd is the number of odd items in the sequence of water use durations; tanh is a hyperbolic tangent function; count is a Count function. In the embodiment of the invention, the value of the first correction coefficient is 0.03, the standard water outlet temperature is 37 ℃, and in other embodiments, the operator can adjust the value according to actual conditions.
The counting function is used for counting the number of parameters in the function, namely counting the number of elements in the water duration, wherein the number of elements is the number of times of switching shower, and the more the counted number is, the more frequent the shower is switching water, and the more importance of the shower to water resources is further described.
Wherein t i Odd, even is an odd term in the sequence of water durations. The second term of the calculation formula of the habit evaluation factor is the effective running water duration of the shower, which can reflect the total water consumption of the shower when the shower is currently bathing. The smaller the size of the water-saving shower head, the more the current shower head can be explained, the water saving consciousness is strong, and the waste of water is relatively small.
Thus, a habit evaluation factor for the current shower behavior on water wastage is obtained.
It should be noted that the habit evaluation factor can be obtained by processing related historical data, so as to avoid the final evaluation being too conservative due to the rapid transition of the water-saving concept, the historical data only refers to the latest three times of data, each time the historical data is measured, and then the average value is obtained.
Further, the current system understanding coefficient is determined according to the difference of the environmental temperature distribution in the bathhouse and the difference of the water flow rate.
Based on the environmental temperature of the bathhouse at each position, cold and hot spot analysis is performed on the bathhouse, the distribution condition of the environmental temperature of the bathhouse is determined, and the environmental temperature score of each position is obtained.
If the bath room environmental temperatures in the bath room are consistent, namely the bath room environmental temperatures which are balanced and suitable for bath are all the same, the water outlet temperature at each bath position should be similar at this time; conversely, if there is a zone with a temperature that is particularly high, such as a warm spot in winter, so that the shower will turn down the water temperature, and a zone with a temperature that is particularly low, such as a window in winter, so that the shower will turn up the water temperature, these conditions will give a degree of understanding that will interfere with the subsequent system control.
Based on the environmental temperature of the bathhouse at each position, cold and hot point analysis is carried out on the bathhouse, and the distribution condition of the temperature is determined.
The purpose of using cold and hot spot analysis is to avoid the abnormal temperature of a single area, namely, a shower person can start hot water, so that the sensor misjudges the environmental temperature of the bathhouse at the current position. The cold and hot spot analysis can refer to the temperature nearby and make more detailed analysis on the bathhouse environment temperature distribution.
The method comprises the steps of setting an evaluation field as a bathhouse environment temperature T in the current bathhouse, setting a conceptual model as an inverse distance model, setting a distance calculation method as a Euclidean distance, standardizing a space weight matrix, and keeping other defaults.
In the above-mentioned spatial weight matrix, the position weight is determined by the practitioner according to the bathhouse structure distribution, the reference setting mode may set the central position weight to 1, the position near the window and the door ventilation position to 0.3, etc., and the weight setting mode is not unique. The inverse distance model is a model commonly used in cold and hot spot analysis and is a well-known technology for the person skilled in the art.
And finally, returning relevant parameters including the current Z score, the P value and the confidence of the current score according to the acquired bathhouse environmental temperature data set. Wherein the Z score is the ambient temperature score and the P value is the probability value.
If the Z score of the region is greater than 1, the region is surrounded by high values, and high-value clustering is presented, so that the spatially aggregated distribution characteristic of the region with higher temperature is formed. Conversely, if the Z score of a region is less than-1, it is stated that the region is surrounded by low values, exhibiting low value clustering, thereby forming a spatially aggregated distribution feature of the region having a relatively low temperature.
Wherein the Z score is subject to a statistically normal distribution characteristic, i.e., the P value is greatest where Z is 0. The Z score requires the practitioner to further set long-term observation data according to the actual layout of the current bathhouse so as to be capable of discovering the current abnormal temperature area.
It can thus be seen that the more abnormal the zone, the greater the absolute value of the ambient temperature score Z, and the sign indicates the direction of the cold-hot spot, i.e. the higher or lower the difference from the current temperature.
Secondly, due to the difference in position distribution and pipe arrangement, the water outlet flow Q at each position will be significantly different, and due to maintenance etc., each shower head will be different, and at the same time, this difference will vary with the number of showers opened. This shower is a factor that cannot be controlled and is therefore included in the system understanding factor.
Analyzing the water flow in all shower positions and determining the difference coefficient of the water flow in one position. And determining the current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows. Specific: calculating an initial system forgive coefficient according to the difference of the water flow; the product of the initial system understanding coefficient and the absolute value of the ambient temperature score is the current system understanding coefficient.
The calculation formula of the initial system forgiveness coefficient is as follows:
Wherein Y is an initial system forgiveness coefficient; beta is a second correction coefficient; q i is the ith water outlet flow in the water outlet flow sequence; median is a median function; media (Q) is the median of the effluent flow sequence. In the embodiment of the present invention, the value of the second correction coefficient is 10, and in other embodiments, the practitioner can adjust the value according to the actual situation.
If the outflow rate at this location is similar to the median value in the bathhouse, it is 1, i.e. if a waste event occurs, it is less understood here.
Thus, an initial system understanding coefficient at the water flow rate is determined based on the distribution state of the water flow rate everywhere.
Based on the obtained initial system understanding coefficients, current system understanding coefficients are determined.
The calculation formula J of the current system forgiveness coefficient is as follows:
J＝|Z|*Y
wherein Z is an ambient temperature score; y is the initial system understanding coefficient.
Wherein, because the ambient temperature score has direction, absolute value processing is carried out on the ambient temperature score; the initial system forgiveness coefficient Y represents the evaluation score of the water flow velocity distribution difference in the bathhouse, if the two difference scores are low, the current area is a normal area, namely, the forgiveness coefficient is low, and if the two difference scores are high, the system can correct the water consumption behavior of the current shower person to a certain extent.
And step S300, judging the behavior of the shower person based on the water outlet temperature and the water using time to obtain a judging coefficient, and adjusting the maximum water outlet flow and the water outlet temperature based on the habit evaluation factor and the current system forgiveness coefficient when the shower person has the behavior of wasting water.
And obtaining a water waste behavior habit evaluation factor W based on the historical behavior of the current shower, and simultaneously determining a current system understanding coefficient J by combining the position of the current shower in the bathhouse and the environmental temperature of the bathhouse.
And determining whether the shower has water waste or not according to the current water outlet temperature of the shower and the optimal water use interval time obtained by analyzing big data in the bathhouse. The optimal water consumption interval time is obtained by integrating the people with smaller habit evaluation factors W corresponding to water consumption behaviors.
And judging the behavior of the shower person based on the water outlet temperature and the water using time to obtain a judgment coefficient.
The calculation formula of the judgment coefficient is as follows:
H＝Max(sign(tanh(mean((T′wi-Tstd)2)*α)-0.4),sign(t1*γ-t1- Ginseng radix ))
Wherein H is a judgment coefficient; sign is a sign function; tanh is a hyperbolic tangent function; mean is the mean function; t std is the standard water temperature of the effluent; t' wi is the real-time effluent water temperature; alpha is a first correction coefficient; t 1 is the water use time length of the 1 st section in the water use time length sequence; gamma is a third correction coefficient; t 1- Ginseng radix is the reference time of the water use period of the 1 st segment in the water use period series. In the embodiment of the present invention, the third correction coefficient has a value of 0.8, and in other embodiments, the practitioner can adjust the value according to the actual situation.
The first term of the calculation formula of the judgment coefficient is the measurement of the water temperature, the detection of the water temperature is performed in real time, the average value is the average value of all data from the beginning of bath to the monitoring time, the upper limit is 5 minutes, and if the temperature in five minutes is not reduced below the standard, the waste of hot water resources is reasonably indicated. In short, it is determined whether or not the threshold is reached.
The second term of the calculation formula of the judgment coefficient is the judgment of the first time length of the bath, t 1- Ginseng radix is the proper water consumption time of the first stage obtained according to big data analysis in the bathhouse, and if the first stage excessively overtime, the current water waste behavior is indicated. In order to leave a certain free time for the shower, the magnitude of the third correction coefficient is set to 0.8.
If the judgment coefficient H is positive, the current shower person is informed of the water wasting behavior, and immediately adopts water control measures, namely, the maximum water outlet flow and the water outlet temperature are adjusted based on habit evaluation factors and system forgiveness coefficients.
And adjusting the maximum water flow based on the habit evaluation factors and the system forgiveness coefficients.
The calculation formula of the adjusted maximum water outlet flow is as follows:
Wherein Q change is the maximum water flow after adjustment; max is a maximum function; q Max is the maximum outlet flow in the outlet flow sequence; w is habit evaluation factor; e is a natural constant; j is the understanding coefficient of the current system.
The outlet water temperature is adjusted based on the system understanding coefficient.
The calculation formula of the adjusted water temperature of the outlet water is as follows:
Tchange＝Twi+(Tstd-Twi)*e-J
Wherein T change is the adjusted water temperature of the effluent; t wi is the ith outlet water temperature in the outlet water temperature sequence; t std is the standard deviation of the effluent water temperature sequence; e is a natural constant; j is the understanding coefficient of the current system. In the embodiment of the invention, the standard water outlet temperature is 37 ℃, and the water outlet temperature is adjusted towards the standard water outlet temperature.
It should be noted that, the adjustment mode of the outlet water temperature is to control the cold and hot water proportion to complete the adjustment through the electric valve, and the specific adjustment mode is a well-known technology of the person skilled in the art.
The adjustment of the water outlet temperature and the maximum water outlet flow is completed, and the purposes of water saving and energy saving are achieved.
In summary, the embodiment of the present invention uses an artificial intelligence technique, and the method first collects data information of a shower, including: the water outlet flow of the shower, the environmental temperature of the bathhouse, the water outlet temperature and the water using time; the water consumption behavior of a shower person during bathing is evaluated by combining the water consumption time and the water outlet temperature to obtain a habit evaluation factor; based on the environmental temperature of the bathhouse at each position, carrying out cold and hot point analysis on the environmental temperature of the bathhouse, and determining the distribution condition of the environmental temperature of the bathhouse to obtain the environmental temperature score of each position; determining a current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows; and judging the behavior of the shower person based on the water outlet temperature and the water using time to obtain a judgment coefficient, and adjusting the maximum water outlet flow and the water outlet temperature based on the habit evaluation factor and the system understanding coefficient when the shower person has the behavior of wasting water. According to the embodiment of the invention, the collected data information is analyzed, so that the adjustment and control of the maximum water outlet flow and the water outlet temperature are realized, and the purposes of saving water and energy are achieved.
The embodiment of the invention also provides a water saving and controlling system for the public bathhouse in the campus, which comprises a memory, a processor and a computer program stored in the memory and capable of running on the processor, wherein the processor realizes the steps of the method when executing the computer program. Because the method for saving water and controlling water in the public bathhouse of the campus is described in detail above, the detailed description is omitted.
It should be noted that: the sequence of the embodiments of the present invention is only for description, and does not represent the advantages and disadvantages of the embodiments. And the foregoing description has been directed to specific embodiments of this specification. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims can be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
In this specification, each embodiment is described in a progressive manner, and identical and similar parts of each embodiment are all referred to each other, and each embodiment mainly describes differences from other embodiments.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (2)
1. The water-saving and water-controlling method for the public bathhouse of the campus is characterized by comprising the following steps:
Collecting shower data information, including: the water outlet flow of the shower, the environmental temperature of the bathhouse, the water outlet temperature and the water using time;
The water consumption behavior of a shower person during bathing is evaluated by combining the water consumption time length and the water outlet temperature to obtain a habit evaluation factor; based on the environmental temperature of the bathhouse at each position, carrying out cold and hot point analysis on the environmental temperature of the bathhouse, and determining the distribution condition of the environmental temperature of the bathhouse to obtain the environmental temperature score of each position; determining a current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows;
Judging the behavior of a shower person based on the water outlet temperature and the water using time length to obtain a judging coefficient, and adjusting the maximum water outlet flow and the water outlet temperature based on the habit evaluation factor and the current system understanding coefficient when the shower person has the behavior of wasting water;
Wherein, combine the said water consumption time length with the said water temperature of water out, carry on the evaluation to the water waste behavior while showering of the shower person and get the habit evaluation factor, including:
The calculation formula of the habit evaluation factor is as follows:
Wherein W is the habit evaluation factor; e is a natural constant; time wash is the water use period; count (Time wash) is the number of times the shower is turned on and off; t i Odd, even is the water use duration of the ith odd term in the sequence of water use durations; t wi is the ith outlet water temperature in the outlet water temperature sequence; t std is the standard water temperature of the effluent; alpha is a first correction coefficient; max odd is the number of odd items in the sequence of water use durations; tanh is a hyperbolic tangent function; count is a Count function;
wherein, the determining the current system understanding coefficient according to the difference of the environmental temperature scores and the difference of the water outlet flows comprises the following steps:
Calculating an initial system forgive coefficient according to the difference of the water flow; the product of the initial system understanding coefficient and the absolute value of the ambient temperature score is the current system understanding coefficient;
Wherein, the calculating the initial system forgiveness coefficient according to the difference of the water flow comprises:
the calculation formula of the initial system forgiveness coefficient is as follows:
Wherein Y is the initial system forgiveness coefficient; beta is a second correction coefficient; q i is the ith water outlet flow in the water outlet flow sequence; median is a median function; media (Q) is the median of the effluent flow sequence;
The method for judging the behavior of the shower person based on the water outlet temperature and the water outlet time length to obtain a judgment coefficient comprises the following steps:
the calculation formula of the judgment coefficient is as follows:
H＝Max(sign(tanh(mean((T′wi-Tstd)2)*α)-0.4),sign(t1*γ-t1- Ginseng radix ))
Wherein H is the judgment coefficient; sign is a sign function; tanh is a hyperbolic tangent function; mean is the mean function; t std is the standard water temperature of the effluent; t' wi is the real-time effluent water temperature; alpha is a first correction coefficient; t 1 is the water use time length of the 1 st section in the water use time length sequence; gamma is a third correction coefficient; t 1- Ginseng radix is the reference time of the water use duration of the 1 st section in the water use duration series;
Wherein adjusting the maximum water flow based on the habit evaluation factor and the current system understanding coefficient comprises:
The calculation formula of the adjusted maximum water outlet flow is as follows:
Wherein Q change is the maximum water flow after adjustment; max is a maximum function; q Max is the maximum outlet flow in the outlet flow sequence; w is the habit evaluation factor; e is a natural constant; j is the understanding coefficient of the current system;
Wherein, based on the current system forgiveness coefficient, the outlet water temperature is adjusted, comprising:
the calculation formula of the adjusted water temperature of the outlet water is as follows:
Tchange＝Twi+(Tstd-Twi)*e-J
Wherein T change is the adjusted water temperature of the effluent; t wi is the ith outlet water temperature in the outlet water temperature sequence; t std is the standard water temperature of the effluent; e is a natural constant; j is the understanding coefficient of the current system;
Based on the bathhouse environmental temperature at each position, the method performs cold and hot point analysis on the bathhouse environmental temperature, determines the distribution condition of the bathhouse environmental temperature, and obtains the environmental temperature score of each position, and comprises the following steps:
Setting an evaluation field as the current bathhouse environment temperature T in the bathhouse, wherein the conceptual model is an inverse distance model, the distance calculation method is Euclidean distance, and the space weight matrix is standardized, and the rest is kept default;
The spatial weight matrix is used for determining the position weight according to the bathhouse structure distribution, the reference setting mode can set the central position weight to be 1, the position close to a window and the position of a door ventilation position to be 0.3;
returning relevant parameters including current Z score, P value and confidence of current score according to the acquired bathhouse environmental temperature data set; wherein the Z score is the ambient temperature score.
2. A system for saving and controlling water in a public bathhouse of a campus, comprising a memory, a processor and a computer program stored in the memory and executable on the processor, wherein the processor implements the steps of the method of claim 1 when executing the computer program.
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| US8577514B2 (en) * | 2012-01-09 | 2013-11-05 | Ford Global Technologies, Llc | Ambient temperature estimation |
| WO2016171979A1 (en) * | 2015-04-19 | 2016-10-27 | Chaky Rebecca Carol | Water temperature control system and method |
| CN111507552A (en) * | 2019-01-31 | 2020-08-07 | 深圳富桂精密工业有限公司 | Deep learning method, system, server and readable storage medium |
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| CN205449134U (en) * | 2015-10-19 | 2016-08-10 | 北京建筑大学 | Test system of shower comfort level |
| CN106020293A (en) * | 2016-05-17 | 2016-10-12 | 江苏大学 | Shower water temperature and flow detection control system |
| CN107905305A (en) * | 2017-11-24 | 2018-04-13 | 中国计量大学 | A kind of shower control system of intelligent environment protection |
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