CN118565061A - Flexible regulation and control method and terminal for air conditioner - Google Patents
Flexible regulation and control method and terminal for air conditioner Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
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- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
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- F24—HEATING; RANGES; VENTILATING
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Abstract
The invention discloses a flexible regulation and control method and a regulation and control terminal for an air conditioner, wherein in the flexible regulation and control method, characteristic amplification of abnormal data points of flexible regulation and control in the previous stage is realized through analysis of flexible regulation and control process data in the previous stage of a specified air conditioner under different working conditions and different performances, for example, by utilizing a data characteristic amplification structure; by drawing a fitting curve of the wind speed predicted value and the power fluctuation value, the power abnormal fluctuation point in the flexible regulation at the previous stage is rapidly and accurately found; then pass throughThe calculation of the temperature control unit is used for adjusting the flexible control of the next stage according to the temperature interval and the power adjustment amplitude, so that the flexible control of the appointed air conditioner is more flexible and less sensitive in the next stage.
Description
Technical Field
The invention relates to the technical field of air conditioner flexible regulation and control, in particular to an air conditioner flexible regulation and control method and a regulation and control terminal.
Background
The flexible regulation and control of the air conditioner is as follows: in a specified period, the purpose of reducing or accurately controlling the electricity consumption intensity of the air conditioner is achieved, and meanwhile 'no sense' adjustment of the temperature of the air conditioner in a short time is achieved. At present, the following methods are mostly adopted for flexible regulation and control of air conditioners:
Given a flexible regulatory target. For example, the goal of a given flexible regulation is to regulate the room temperature from the current 23 ℃ to 26 ℃ in 3 minutes. And then, the regulation and control terminal calculates the adjustment amplitude of the air conditioner power in unit time according to the regulation and control target and then flexibly adjusts the temperature of the air conditioner.
The existing air conditioner flexible regulation and control method has the following defects:
The regulation duration and the power regulation amplitude are quantitative, the response feedback effect of the air conditioner with different working conditions and different performances on flexible regulation is not considered, abnormal conditions such as response mutation and the like can occur in regulation, and 'non-inductive' regulation is difficult to truly realize. For example, under the condition that the air outlet volume of the air conditioner is determined, the air outlet rate of the air conditioner and the power of the air conditioner are in positive correlation, but the correlation between the air outlet rate of the air conditioner and the power of the air conditioner can change due to aging of the air conditioner, bad working environment of the air conditioner and the like, even in a certain temperature adjustment interval, the relation between the power of the air conditioner and the air outlet rate of the air conditioner can have larger mutation abnormality, and under the condition, the mutation abnormality is likely to continue and expand due to the fixed power adjustment amplitude, so that the regulation and control of the air conditioner are not flexible enough. Therefore, dynamically adjusting the power adjustment amplitude is a technical direction for reducing the occurrence of such response mutation abnormality, but how to dynamically adjust the power adjustment amplitude, so that the adjustment and control of the air conditioner is more flexible and free from sense is a technical problem to be solved in the field.
Disclosure of Invention
The invention provides a flexible regulation and control method and a regulation and control terminal for an air conditioner, which aim at the air conditioner with different working conditions and different performances, find the relation between the power regulation amplitude and the air outlet speed in each temperature regulation interval (according to the temperature interval) through a designed data characteristic amplification structure, and timely regulate the power regulation amplitude if the air outlet speed is abnormal in the finding process, so as to realize the more flexible and less-sensitive accurate regulation and control of the air conditioner. To achieve the purpose, the invention adopts the following technical scheme:
The flexible regulation and control method for the air conditioner comprises the following steps:
S1, after acquiring or issuing an adjustment target temperature for flexibly adjusting a designated air conditioner, determining a temperature-based interval for flexible adjustment at the current stage, and then, according to a designed data characteristic amplification structure, polling to acquire and calculate load characteristic data and response feedback data of the designated air conditioner;
S2, drawing a fitting curve of a wind speed predicted value and a power fluctuation value according to the data acquired and calculated in the step S1 so as to find a power abnormality fluctuation point;
S3, judging whether the number of the found power abnormal fluctuation points is larger than a preset number threshold value in the load characteristic data acquisition period in the temperature-dependent interval,
If yes, in the flexible regulation and control of the appointed air conditioner in the next stage with the stage continuity with the current stage, the range of the temperature-dependent interval is reduced, and the power regulation range of the appointed air conditioner in unit time is reduced;
If not, continuing to flexibly adjust the designated air conditioner according to the width of the temperature-dependent interval determined in the step S1.
Preferably, in step S1, the polling collected load characteristic data includes: the power fluctuation value acquired at each wind outlet wind speed prediction time point in each polling period under the temperature interval is the moment when the wind pressure sensor arranged at the wind outlet of each wind pipe section in the data characteristic amplification structure detects abrupt wind pressure.
Preferably, in step S1, polling the collected response feedback data includes: in each polling period, the abrupt wind pressure of the air outlet of each air pipe section and the air density detected by each air pipe section air density sensor in the multi-stage air pipe section air density sensor in the pipe; polling the calculated response feedback data includes: the wind speed predicted value of the wind speed predicted time point of the air conditioner initial wind outlet in each polling, wherein each wind speed predicted time point of the wind outlet in one polling comprises the moment when the wind pressure sensor arranged at the wind outlet of each wind pipe section in the data characteristic amplifying structure detects abrupt wind pressure.
Preferably, the method for calculating the wind speed predicted value is expressed by the following formula (1):
In the formula (1), Is shown in the firstIn the secondary polling, the data feature is amplified in the structureThe stage wind pipe section predicts the wind outlet speed of the air conditioner initial wind inlet at the corresponding wind outlet wind speed prediction time point;
Is shown in the first In the secondary polling, the firstThe air density detected by an air density sensor of the air pipe section of the sensor combination is formed by the air accelerator of the air pipe section of the stage air pipe section and the air pipe section for executing the wind accelerating action;
Is shown in the first In the secondary polling, set at the firstAbrupt wind pressure detected by a wind pressure sensor at an air outlet of the stage air pipe section;
the accelerating wind speed of the wind accelerator is the wind speed of the wind pipe section for executing wind accelerating action.
Preferably, the data characteristic amplifying structure comprises a plurality of sections of air pipe sections with air outlets and air inlets in end-to-end closed connection, wherein the air inlet cross-sectional area of a first air pipe section in closed connection with the initial air outlet of the specified air conditioner is the same as the air outlet cross-sectional area of the initial air outlet, and the air inlet cross-sectional areas of the rest air pipe sections are the same but larger than the air inlet cross-sectional area of the first air pipe section:
The first wind pipe section is internally provided with a first wind accelerator and a first air density sensor, and the first wind accelerator is used for accelerating the entering wind for a fixed time period with set power acceleration and then discharging the wind from an air outlet of the first wind pipe section; the air outlet cross section area of the air outlet of the first air duct section is smaller than the air outlet cross section area of the initial air outlet; the first air density sensor, the first wind accelerator and the first wind pipe section air outlet are respectively provided with a first distance and a second distance, and the first distance is larger than the second distance;
The cross section of the air inlet, the cross section of the air outlet and the tube length of the air tube section of the rest air tube sections which are in end-to-end closed butt joint behind the first air tube section are the same; a plurality of groups of sensor assemblies are arranged in each remaining air pipe section along the length direction of the air pipe section, the distance between every two sensor assemblies is the same, each sensor assembly comprises an air pipe section air density sensor and an air pipe section air accelerator, and the distance between the air pipe section air accelerator and an air pipe section air outlet of the air pipe section where the air pipe section air accelerator is located is smaller than that between the air pipe section air density sensor and an air pipe section air outlet of the air pipe section where the air pipe section air accelerator is located;
A wind pressure sensor is arranged at the air outlet of the air pipe section of each air pipe section and used for detecting the accelerated wind pressure of the wind discharged from the air outlet of the air pipe section; and the wind accelerator of the wind pipe section in each wind pipe section carries out wind acceleration at the set power and the fixed duration.
Preferably, in step S2, the method for drawing the fitted curve includes the steps of:
B1, extracting the wind speed predicted abnormal value in the wind speed predicted values calculated according to each polling in the temperature interval, adding the wind speed predicted abnormal value into a wind speed abnormal value set, and forming each wind speed predicted value of the extraction residues The pair of data to be expressed is selected,、Respectively representing the first data characteristic amplifying structure in the temperature rangeStage wind pipe section at the first stageThe wind speed forecast and the power fluctuation value in the secondary poll,Is the firstStage wind pipe section at the first stageSecond air conditioner power and second air conditioner power acquired at predicted time point of wind outlet speed in secondary pollingStage wind pipe section at the first stageThe absolute value of the difference value of the first air conditioner power acquired at the predicted time point of the wind outlet wind speed in secondary polling;
B2, using the wind speed predicted value and the power fluctuation value as the horizontal axis coordinate and the vertical axis coordinate in the xy axis coordinate system respectively, and using each temperature interval Data pairs are plotted in the xy-axis coordinate system, and each plotted data point is fitted to the fitted curve by a fitting function.
Preferably, in step S2, the method for searching the power abnormality fluctuation point location includes the steps of:
c1, extracting element values from the wind speed abnormal value set;
C2, solving a y value of the fitting function by taking the element value extracted in the step C1 as an independent variable of the fitting function;
c3, judging whether the y value deviates from the maximum allowable value of power fluctuation corresponding to polling,
If yes, accumulating '1' for the number count of the power abnormal fluctuation points of the flexible regulation and control of the appointed air conditioner;
if not, turning to the step C4;
And C4, judging whether the wind speed abnormal value set is extracted as an empty set,
If yes, outputting a power abnormality fluctuation point position counting result;
if not, returning to the step C1.
Preferably, in step C3, the method for determining whether the y value deviates from the maximum allowable value of power fluctuation for the corresponding polling includes the steps of:
C31, acquiring the air conditioning power of the designated air conditioner collected each time under the same polling as the element value for solving the y value;
C32, calculating the maximum allowable value of the power fluctuation by taking the difference value of the maximum air-conditioning power and the minimum air-conditioning power obtained in the step C31 as a deviation judgment basis;
C33, judging whether the absolute value of the difference between the y value and the maximum allowable value of the power fluctuation is larger than a preset threshold value,
If yes, judging that the y value deviates from the maximum allowable value of the power fluctuation;
If not, go to step C4.
Preferably, the method for narrowing the range according to the temperature interval and reducing the power adjustment range under the "yes" determination condition in step S3 includes the steps of:
S31, calculating the ratio of the number of the found power abnormality fluctuation points to the number of the residual wind speed predicted values extracted in the step B1 as a correction coefficient ；
S32, calculating the increment of the temperature interval or the power adjustment amplitude in the next stageThe calculation method comprises the following steps:
The width of the temperature-dependent interval of the previous stage having the stage continuity with the next stage or the power adjustment amplitude of flexibly adjusting the designated air conditioner in the previous stage are represented;
S33, taking the upper limit value of the temperature-dependent interval in the step S1 as the lower limit value of the temperature-dependent interval in the next stage, and taking the lower limit value and the increment representing the temperature-dependent interval The sum of (2) is the upper limit value of the temperature-dependent interval of the next stage, and the temperature-dependent interval of the next stage is determined or the power adjustment amplitude is representedAnd adjusting the power adjustment amplitude of the designated air conditioner as the next stage.
An air conditioner flexible regulation terminal can realize the air conditioner flexible regulation method.
The invention has the following beneficial effects:
1. The characteristic amplification of abnormal data points of the flexible regulation and control of the previous stage is realized by analyzing the flexible regulation and control process data of the designated air conditioner under different working conditions and different performances, such as by utilizing a data characteristic amplification structure; by drawing a fitting curve of the wind speed predicted value and the power fluctuation value, the power abnormal fluctuation point in the flexible regulation at the previous stage is rapidly and accurately found; then pass through The calculation of the temperature control unit is used for adjusting the flexible control of the next stage according to the temperature interval and the power adjustment amplitude, so that the flexible control of the appointed air conditioner is more flexible and less sensitive in the next stage.
2. By searching the power abnormal fluctuation point position, whether the wind speed predicted abnormal value found in each polling period under the temperature interval is triggered by the flexible regulation power fluctuation in the corresponding polling is verified, the possibility of error regulation of the flexible regulation strategy is reduced, and unnecessary regulation of the flexible regulation strategy is avoided.
3. When the abnormal flexible regulation and control of the specified air conditioner at the current stage is judged, calculatingAs the updating result of the increment or power adjustment amplitude according to the temperature interval for flexibly adjusting and controlling the appointed air conditioner in the next stage, the flexible adjusting and controlling strategy of the appointed air conditioner in the next stage is adjusted, so that the flexible adjusting and controlling of the appointed air conditioner is more flexible and less sensitive.
Drawings
In order to more clearly illustrate the technical solution of the embodiments of the present invention, the drawings that are required to be used in the embodiments of the present invention will be briefly described below. It is evident that the drawings described below are only some embodiments of the present invention and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.
Fig. 1 is a step diagram of implementing a flexible regulation and control method of an air conditioner according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a data feature amplifying structure according to the present embodiment;
FIG. 3 is a point diagram of the predicted wind speed of the initial air outlet of the air conditioner under the same xy-axis plane coordinate system according to the predicted wind speed of each stage of air duct section in several polls within the temperature interval;
FIG. 4 is an exemplary plot of wind speed predictions versus power fluctuation values.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the invention, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
The same or similar reference numbers in the drawings of embodiments of the invention correspond to the same or similar components; in the description of the present invention, it should be understood that, if the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present invention and simplifying the description, rather than indicating or implying that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationships in the drawings are merely for exemplary illustration and should not be construed as limiting the present patent, and that the specific meaning of the terms described above may be understood by those of ordinary skill in the art according to specific circumstances.
In the description of the present invention, unless explicitly stated and limited otherwise, the term "coupled" or the like should be interpreted broadly, as it may be fixedly coupled, detachably coupled, or integrally formed, as indicating the relationship of components; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between the two parts or interaction relationship between the two parts. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The flexible regulation and control method for the air conditioner provided by the embodiment of the invention, as shown in fig. 1, comprises the following steps:
s1, after acquiring or issuing an adjustment target temperature for flexibly adjusting a specified air conditioner, determining a temperature-dependent interval for flexible adjustment at the current stage, and then polling to acquire and calculate load characteristic data and response feedback data of the specified air conditioner according to a designed data characteristic amplification structure as shown in an example of FIG. 2;
Here, two methods for determining the target temperature for the specified air conditioner are available, namely, direct acquisition and direct delivery. The direct issuing refers to that the regulating terminal directly issues the regulating target temperature to the designated air conditioner, for example, the designated air conditioner controlled by the command uniformly regulates the flexibly regulated target temperature to 26 ℃. In the flexible regulation and control of the designated air conditioner each time, the actual regulation target temperature meeting the flexible regulation and control requirement is calculated according to the response feedback data of the designated air conditioner to each regulation and control, and the actual regulation target temperature considers the different regulation and control response feedback conditions of the designated air conditioner with different working conditions and different performances to the same flexible regulation and control requirement, namely the actual regulation target temperature of the designated air conditioner with different working conditions and different performances is different under the same flexible regulation and control requirement. For example, at present, 3 specified air conditioners 1-3 with different performances under different working conditions are provided, the current temperature of each air conditioner is assumed to be 23 ℃, and the initial adjustment target temperature of the 3 air conditioners by the adjustment terminal is 26 ℃. However, given that a great amount or serious abnormality occurs in response feedback data of regulation in the course of continuing to regulate from 25 ℃ to 26 ℃ in the course of flexibly regulating the designated air conditioner 1 from 23 ℃ to 26 ℃, the "noninductive" regulation in the flexible regulation requirement has not been satisfied, and 25 ℃ is more suitable for the designated air conditioner 1 as the actual regulation target temperature for flexible regulation thereof starting from 23 ℃ and starting with 26 ℃ as the initial regulation target temperature. The actual target temperature of 25 ℃ is the target temperature of the air conditioner 1 to be obtained under the working condition and the performance condition in step S1. It should be noted that the actual adjustment target temperature of different designated air conditioners is related to a given flexible adjustment requirement and the feedback effect of the response to the flexible adjustment requirement, and the flexible adjustment requirement includes a limitation condition that the current air conditioner temperature is flexibly adjusted to the initial adjustment target temperature, and also includes other requirements; the response feedback effect is related to the working condition and performance of the specified air conditioner, so that the calculation of the actual adjustment target temperature of the specified air conditioner under different working conditions and performances under different flexible regulation requirements is a complex process.
In step S1, it is assumed that the acquired or issued adjustment target temperature for flexible adjustment of the specified air conditioner is 26 ℃, and the current temperature of the specified air conditioner is assumed to be 23 ℃. According to a preset determination rule of the flexible regulation and control according to a temperature interval, assuming that the distance between the current temperature and the adjustment target temperature of the air conditioner, namely the difference between the adjustment target temperature such as 26 ℃ and the current temperature such as 23 ℃, is more than or equal to 3 ℃, and the initial amplification according to the temperature interval is 0.5 ℃, the first flexible regulation and control according to the temperature interval of the designated air conditioner is [23 ℃,23.5 ].
The following describes a method of polling the load characteristic data and the response feedback data of a specified air conditioner according to a data characteristic amplification structure as shown in fig. 2 of the design:
The data characteristic amplifying structure shown in fig. 2 is installed at an initial air outlet 10 of an air conditioner, and the initial air outlet 10 of the air conditioner is one of air outlets distributed along the length direction of the air conditioner, preferably one of the distributed air outlets which is arranged at the leftmost side or the rightmost side of the air conditioner. The initial air outlet 10 is abutted against and in closed connection with the initial air inlet 20 of the data characteristic amplifying structure. The initial air inlet 20 is an air inlet of the first air pipe section 1 in fig. 2, and the air inlet cross section of the first air pipe section 1 is the same as the air outlet cross section of the initial air outlet 10, so that the air speed of the air entering the initial air inlet 20 of the first air pipe section 1 from the initial air outlet 10 is not changed, the accelerating object of the first air accelerator 11 arranged in the first air pipe section 1 keeps the air speed characteristic when the accelerating object comes out from the initial air outlet 10, and the calculation amount of response feedback data is reduced.
A first wind accelerator 11 and a first air density sensor 13 are arranged in the first wind pipe section 1, and the first wind accelerator 11 is used for accelerating the incoming wind for a fixed period of time with a set power and then discharging the wind from a first wind pipe section air outlet 12 shown in fig. 2; the air outlet cross-sectional area of the first air duct section air outlet 12 of the first air duct section 1 is smaller than the air inlet cross-sectional area of the initial air inlet 20 of the first air duct section 1. The purpose of this arrangement is to secondarily accelerate the wind accelerated by the first wind accelerator 11 with the reduced first wind pipe section air outlet 12, further amplifying the wind pressure characteristic hitting the first wind pressure sensor provided at the first wind pipe section air outlet 12. The first air density sensor 13, the first wind accelerator 11 and the first wind pipe section air outlet 12 are respectively provided with a first distance and a second distance, and the first distance is larger than the second distance; the first air density sensor 13 is used for detecting the air density in the first air duct section 1;
The cross section of the air inlet, the cross section of the air outlet and the tube length of the air tube sections of the rest air tube sections which are in end-to-end closed butt joint behind the first air tube section are the same, so that the air discharged after the acceleration of the air tube section of the previous stage enters the air tube section of the next stage and has basically the same diffusion environment, and the calculation complexity of the subsequent wind speed predicted value and the response feedback value is reduced. And a plurality of groups of sensor combinations are arranged in each of the rest air duct sections along the length direction of the air duct sections, the interval distances between every two sensor combinations are the same, each sensor combination comprises an air duct section air density sensor 30 and an air duct section air accelerator 40 shown in fig. 2, and the distance between the air duct section air accelerator 40 and an air outlet of an air duct section where the air duct section air accelerator is located is smaller than the distance between the air duct section air density sensor 30 in the combination and the air outlet of the air duct section where the air duct section air accelerator is located. The duct section air density sensor 30 is used for detecting the air density in the duct section; the wind pipe section wind accelerator 40 is used for accelerating wind with the same set power and fixed duration as those of the wind pipe section wind accelerator in the previous stage wind pipe section when the deviation of the air density detected by the wind pipe section air density sensor 30 in the wind pipe section of the previous stage from the air density detected by the wind pipe section air density sensor 30 in the wind pipe section of the previous stage is smaller than the preset deviation range, so as to reduce the calculation complexity of the wind speed predicted value and the response feedback value, and further reduce the complexity of flexible regulation and control of the air conditioner.
In step S1, polling the collected load characteristic data includes: and predicting the power fluctuation value acquired at each wind outlet wind speed prediction time point in each polling period under the temperature interval.
The duration of one poll is related to the number of wind speed prediction points, i.e. to the number of wind pipe sections in the designed data feature amplification structure. For example, assume that the data feature amplification structure shown in fig. 2 includes 4 wind pipe sections, namely, a first wind pipe section 1, a second wind pipe section 2, a third wind pipe section 3, and a fourth wind pipe section 4 in fig. 2. The time point of wind acceleration by the first wind accelerator 11 in the first wind pipe section 1 is determined as the starting time point of the current polling, and the air diffusion permission duration of the second wind pipe section 2, the third wind pipe section 3 and the fourth wind pipe section 4 are set to be 5s, and then the duration of one polling is 15s, namely the acceleration frequency of the first wind accelerator 11 in the first wind pipe section 1 is 15s for one acceleration. It should be emphasized that the feedback effect of the response according to the flexible regulation and control according to the length (i.e. the interval range) of the temperature interval is dynamically changed, so as to improve the noninductivity and the accuracy of the flexible regulation and control, so that different temperature intervals usually have different polling times.
In this embodiment, the predicted time point of the wind speed of the wind outlet in one polling includes the time when the wind pressure sensor disposed at the wind outlet of each wind pipe section in the data characteristic amplifying structure shown in fig. 2 detects the abrupt wind pressure. The abrupt wind pressure refers to the wind pressure which is detected by a wind pressure sensor arranged at the air outlet of the air pipe section and has abrupt abnormality after the air conditioner wind is accelerated by a wind accelerator in the corresponding air pipe section. For example, after the air conditioning air in the first air duct section 1 in fig. 2 is accelerated by the first air accelerator 11, the air conditioning air enters the second air duct section 2, and after entering, the air conditioning air enters the second air duct section 2, and within a set 5s air diffusion permission period, if the second air density detected by the air duct section air density sensor in a certain sensor group in the second air duct section 2 and the first air density detected by the first air density sensor 13 in the first air duct section 1 at the acceleration moment of the first air accelerator 11 are smaller than a preset density deviation, the air pressure detected by the first air density sensor 13 in the first air duct section is the sudden change air pressure (preferably, the absolute value of the difference between the second air density and the first air density) and the air speed detected by the air duct section air density sensor in the second air duct section is the air outlet of the second air duct section after the air is accelerated by the same set power and the fixed period as the first air accelerator 11, and the air pressure detected by the sensor arranged at the air outlet of the second air duct section is the sudden change air pressure, and the air speed detected by the air conditioner 10 at the initial air outlet moment when the sudden change air pressure is detected by the air conditioner.
Each of the wind speed prediction time points in one polling is not only to predict the wind speed of the initial wind outlet 10 of the air conditioner shown in fig. 2, but also to collect the current power fluctuation value of the designated air conditioner at a certain temperature point in the temperature interval.
The following describes the meaning of the power fluctuation value and the calculation method of the wind speed prediction value of each wind outlet wind speed prediction time point in one polling:
The power fluctuation value refers to the difference value of the air conditioner acting power at the front time point and the rear time point, and in this embodiment, is the absolute value of the difference value of the second air conditioner power acquired at the air outlet wind speed prediction time point of the rear stage wind pipe section and the first air conditioner power acquired at the air outlet wind speed prediction time point of the front stage wind pipe section in one polling. For example, in the first polling, the second air conditioning power of the designated air conditioner acquired at the second wind outlet wind speed prediction time point of the second wind pipe section 2 as shown in fig. 2 is p2, the previous wind pipe section is the first wind pipe section 1, in the first polling, the first air conditioning power of the designated air conditioner acquired at the first wind outlet wind speed prediction time point of the first wind pipe section 1 is p1, and then the power fluctuation value at the second wind outlet wind speed prediction time point is the absolute value of the difference between p2 and p 1.
The method of predicting the wind speed of the air conditioner initial outlet 10 as in fig. 2 at each wind speed prediction time point in each polling is expressed by the following formula (1):
In the formula (1), Is shown in the firstIn the secondary polling, the data feature is amplified in the structureThe stage wind pipe section predicts the wind outlet speed of the air conditioner initial wind inlet at the corresponding wind outlet wind speed prediction time point;
Is shown in the first In the secondary polling, the firstThe air density detected by an air density sensor of the air pipe section of the sensor combination is formed by the air accelerator of the air pipe section of the stage air pipe section and the air pipe section for executing the wind accelerating action;
Is shown in the first In the secondary polling, set at the firstAbrupt wind pressure detected by a wind pressure sensor at an air outlet of the stage air pipe section;
the accelerating wind speed of the wind accelerator is the wind speed of the wind pipe section for executing wind accelerating action.
For example, in the first polling, the first stage wind pipe section in the data characteristic amplifying structure shown in fig. 2, i.e. the wind outlet wind speed prediction time point of the first wind pipe section 1 in fig. 2, i.e. fig. 3At time point, the abrupt wind pressure detected by the wind pressure sensor arranged at the air outlet of the first wind pipe section 1 isThe first wind accelerator 11 provided in the first wind pipe section 1 performs generation of abrupt wind pressureThe air density detected by the first air density sensor 13 in the first air duct section 1 isThe first wind accelerator 11 has an air density ofIs passed through by the air of (a)Accelerating to have abrupt wind pressureWind speed intensity of (2). At this time, atTime point according toThe wind speed prediction value for the air conditioner initial air outlet 20 shown in fig. 2 is. In FIG. 3、、Respectively, the wind outlet wind speed prediction time points of the second wind pipe section 2, the third wind pipe section 3 and the fourth wind pipe section 4 in the data characteristic amplification structure shown in fig. 2, and in the first polling, the wind speed prediction values respectively corresponding to the wind outlet wind speed prediction time points are respectively as follows、、。
In step S1, polling the collected response feedback data includes: in each polling period, the abrupt wind pressure of the air outlet of each air pipe section and the air density detected by each air pipe section air density sensor in the multi-stage air pipe section air density sensor in the pipe; polling the calculated response feedback data includes: the wind speed predicted value of the wind speed predicted time point of the air conditioner initial air outlet in each polling, wherein each wind speed predicted time point of the air conditioner in one polling is the time when the wind pressure sensor arranged at the air outlet of each wind pipe section in the data characteristic amplifying structure detects abrupt wind pressure. In each polling, the method for predicting the wind speed predicted value of the initial air outlet of the air conditioner according to the response feedback data collected by the polling associated with each air duct section is described in detail in the above description, and will not be repeated.
After the load characteristic data and the response feedback data of the designated air conditioner are collected and calculated in a polling manner, as shown in fig. 1, the flexible regulation and control method of the air conditioner provided by the embodiment is transferred to the following steps:
S2, drawing a fitting curve of a wind speed predicted value and a power fluctuation value according to the data acquired and calculated in the step S1 so as to find a power abnormality fluctuation point;
the following specifically describes a method for drawing a fitting curve of a wind speed predicted value and a power fluctuation value of a specified air conditioner, and specifically includes the steps of:
b1, extracting the wind speed predicted abnormal value in the wind speed predicted values calculated according to each polling under the temperature interval, adding the wind speed predicted abnormal value into a wind speed abnormal value set, and forming each wind speed predicted value of the extraction residues The pair of data to be expressed is selected,、Respectively represent the first data characteristic amplifying structure under the temperature rangeStage wind pipe section at the first stageWind speed predictions and power fluctuations in secondary polls. In particular, the method comprises the steps of,To at the firstStage wind pipe section at the first stageSecond air conditioner power and second air conditioner power acquired at predicted time point of wind outlet speed in secondary pollingStage wind pipe section at the first stageThe absolute value of the difference value of the first air conditioner power acquired at the predicted time point of the wind outlet wind speed in secondary polling;
for example, the load characteristic data and response feedback data of the specified air conditioner are collected and calculated 5 times in total in the temperature-dependent interval such as [23 ℃,23.5 ℃). In these 5 polls, it is assumed that in the first poll, the wind speed predicted value calculated from the response feedback data of the first wind pipe section 1 shown in fig. 2 is Similarly, in the second to fifth polling are respectively、、、Assume that、、、If the values of (2) are 1, 1.5, 1.8, 1.2, 2.8, respectively, then 2.8 is the identified wind speed prediction anomaly value because it deviates the most or more than a predetermined deviation value from the average of these 5 values. Then 2.8 is added to the wind speed anomaly value set. While the remainder of the extraction is formed 1, 1.5, 1.8, 1.2Data pairs, respectively of、、、WhereinThe absolute value of the difference between the second air-conditioning power acquired at the first stage wind pipe section, i.e., the point in time when the wind speed of the first wind pipe section 1 shown in fig. 2 is predicted in the first polling (the point in time when the first wind pressure sensor 13 provided at the wind outlet of the first wind pipe section 1 detects the sudden wind pressure in the first polling) and the first air-conditioning power acquired at the wind acceleration point in time (i.e., the point in time when the first wind accelerator 11 in the first wind pipe section 1 in fig. 2 performs the wind acceleration action) of the 0 th stage wind pipe section in the first polling is represented. Here, when the first wind pipe section 1 is the first wind pipe section arranged at the forefront in the data characteristic amplifying structure and the power fluctuation value is calculated for the first wind pipe section, the first air conditioning power is preferably the air conditioning power collected by the first wind pipe section 1 for the designated air conditioner at the moment when the first wind accelerator 11 performs the wind accelerating action in the first polling.Is calculated by the same method asAnd will not be described in detail. Whereas for each stage of duct sections arranged after the first duct section 1,To at the firstStage wind pipe section at the first stageSecond air conditioner power and second air conditioner power acquired at predicted time point of wind outlet speed in secondary pollingStage wind pipe section at the first stageAnd the absolute value of the difference value of the first air conditioner power acquired at the predicted time point of the wind outlet speed in the secondary polling. For example, in the first polling, the wind speed of the first stage wind pipe section is predicted at the time when the first wind pressure sensor provided at the wind outlet detects the sudden change wind pressure, and the wind speed of the second stage wind pipe section, that is, the second wind pipe section 2, is predicted at the time when the second wind pressure sensor 21 provided at the wind outlet detects the sudden change wind pressure. Then，In order to specify the current second air conditioning power of the air conditioner at the moment when the second air pressure sensor 21 arranged at the air outlet of the second air duct section 2 detects the abrupt air pressure in the first polling; In order to specify the first air conditioning power of the air conditioner at the moment when the first air pressure sensor arranged at the air outlet of the first air duct section 1 detects the abrupt air pressure in the first polling.
B2, the wind speed predicted value and the power fluctuation value are respectively the horizontal axis coordinate and the vertical axis coordinate in the xy axis coordinate system, and each temperature interval is basedThe data pairs are plotted in an xy-axis coordinate system and each plotted data point is fitted to a fitted curve by a fitting function. The fitted curve is shown in fig. 4.
It should be noted here that in each polling, each duct segment has a corresponding wind speed prediction value and power fluctuation value, and when a second fitting curve is drawn for each temperature-dependent interval, it is dependent on the calculation of each duct segment during each polling at that temperature-dependent intervalAnd (3) data pairs. In addition, the fitting function for curve fitting is determined according to the variation characteristics between the power fluctuation value and the wind speed prediction value, and for example, a binary quadratic function or a higher-order equation may be used. No specific cross-over is made, as the method of fitting the curve is not within the scope of the claimed invention.
After curve fitting is completed, in step S2, the method for searching the power abnormality fluctuation point position specifically includes the steps of:
C1, extracting element values from a wind speed abnormal value set, wherein the element values are wind speed prediction abnormal values;
C2, taking the element values extracted in the step C1 as independent variables of a fitting function, and solving the y value of the fitting function;
C3, judging whether the y-axis deviates from the maximum allowable value of power fluctuation of the corresponding polling,
If yes, counting and accumulating the number of power abnormal fluctuation points of the flexible regulation and control of the appointed air conditioner by '1';
if not, turning to the step C4;
and C4, judging whether the wind speed abnormal value set is extracted as an empty set,
If yes, outputting a power abnormality fluctuation point position counting result;
if not, returning to the step C1.
In step C3, the method for determining whether the y value deviates from the maximum allowable value of power fluctuation corresponding to polling includes the steps of:
C31, acquiring the air conditioning power of the designated air conditioner collected each time under the same polling as the element value for solving the y value; the acquisition time of the air conditioner power of the designated air conditioner under each polling is described in detail in the above description, and is not repeated;
C32, calculating a power fluctuation maximum allowable value by taking the difference value between the maximum air-conditioning power and the minimum air-conditioning power obtained in the step C31 as a deviation judgment basis;
c33, judging whether the absolute value of the difference between the y value and the maximum allowable value of the power fluctuation is larger than a preset threshold value,
If yes, judging that the y value deviates from the maximum allowable value of the power fluctuation;
If not, go to step C4.
After finding the power abnormality fluctuation point location in step S2, as shown in fig. 1, the air conditioner flexible regulation method provided in this embodiment shifts to the step:
s3, judging whether the number of the found power abnormality fluctuation points is larger than a preset number threshold value in the load characteristic acquisition period under the temperature interval determined in the step S1,
If so, in the flexible regulation and control of the appointed air conditioner in the next stage with the stage continuity with the current stage, the range according to the temperature interval is reduced, and the power regulation range of the appointed air conditioner in unit time is reduced;
If not, continuing to flexibly adjust the designated air conditioner according to the width of the temperature interval determined in the step S1.
If yes, the method for reducing the range according to the temperature interval and reducing the power adjustment range in the step S3 includes the steps of:
s31, calculating the ratio of the number of the found power abnormal fluctuation points to the number of the residual wind speed predicted values extracted in the step B1 as a correction coefficient ；
S32, calculating the increment or power adjustment amplitude of the characteristic in the next stage according to the temperature intervalThe calculation method is expressed by the following formula (2):
The width of a temperature interval of the previous stage with the stage continuity with the next stage or the initial power adjustment amplitude of the flexible regulation and control of the designated air conditioner in the previous stage are represented;
Representation and last stage And the continuous next stage, namely after finishing flexible regulation and control of the appointed air conditioner according to the temperature interval of [23 ℃,23.5 ℃, entering the next stage for continuously carrying out flexible regulation and control on the appointed air conditioner.
Here, the width of the temperature-dependent interval refers to, for example, for a temperature-dependent interval of [23 ℃,23.5 ℃ ], the width thereof is 23.5 to 23=0.5; the initial power adjustment range for flexibly adjusting and controlling the appointed air conditioner is as follows: adjusting the amplitude according to the preset initial power, and adjusting the temperature from 23 ℃ to 23.5 ℃ for a specified duration in the process of adjusting the temperature of a specified air conditionerInitial power adjustment of (a) the amplitude is power adjusted. For example, suppose that at 23 ℃, the power of the air conditioner is specified asIf the specified duration is set to be 10s, the power of the specified air conditioner is adjusted to be 10s later，Represent the firstEach according to a temperature interval.
S33, taking the upper limit value of the temperature-dependent interval in the step S1, namely the upper limit value of the temperature-dependent interval in the previous stage, as the lower limit value of the temperature-dependent interval in the next stage, and taking the lower limit value and the increment of the characterization temperature-dependent intervalThe sum of (2) is the upper limit value of the temperature-dependent interval of the next stage, and the temperature-dependent interval of the next stage is determined or the power adjustment amplitude is representedThe power of the designated air conditioner is adjusted in amplitude as the next stage.
For example, assume that the temperature-dependent interval in step S1 is [23 ℃,23.5 ℃ ], the upper limit thereof is 23.5 ℃, and thus the lower limit thereof in the next stage is 23.5 ℃; assume that the characterization is based on the increment of the temperature intervalThe temperature range of the next stage is [23.5 ℃,23.7 ℃ according to the temperature range of 0.2 ℃. Assume again that at 23.5 ℃, the power of the air conditioner is specified asThe power adjustment range in the next stage according to the temperature interval after the calculation in the step S32 isThen the power of the air conditioner is reduced to within 10 seconds for the appointed air conditionerAir conditioning power flexible regulation and control the mode is flexibly regulated and controlled.
Here, in the step S1, the determined reference temperature interval for flexible regulation in the current stage is the reference temperature interval narrowed or maintained under the "yes" or "no" determination condition in the step S3, that is, when the next stage indicated in the step S3 is entered, the next stage is changed into the current stage for flexible regulation.
In summary, in the flexible regulation and control method provided by the invention, through analyzing the flexible regulation and control process data of the last stage of the designated air conditioner under different working conditions and different performances, for example, by utilizing a data characteristic amplification structure, the characteristic amplification of abnormal data points of the flexible regulation and control of the last stage is realized; by drawing a fitting curve of the wind speed predicted value and the power fluctuation value, the power abnormal fluctuation point in the flexible regulation at the previous stage is rapidly and accurately found; then pass throughThe calculation of the temperature control unit is used for adjusting the flexible control of the next stage according to the temperature interval and the power adjustment amplitude, so that the flexible control of the appointed air conditioner is more flexible and less sensitive in the next stage.
It should be understood that the above description is only illustrative of the preferred embodiments of the present application and the technical principles employed. It will be apparent to those skilled in the art that various modifications, equivalents, variations, and the like can be made to the present application. Such variations are intended to be within the scope of the application without departing from the spirit thereof. In addition, some terms used in the description and claims of the present application are not limiting, but are merely for convenience of description.
Claims (10)
1. The flexible regulation and control method of the air conditioner is characterized by comprising the following steps:
S1, after acquiring or issuing an adjustment target temperature for flexibly adjusting a designated air conditioner, determining a temperature-based interval for flexible adjustment at the current stage, and then, according to a designed data characteristic amplification structure, polling to acquire and calculate load characteristic data and response feedback data of the designated air conditioner;
S2, drawing a fitting curve of a wind speed predicted value and a power fluctuation value according to the data acquired and calculated in the step S1 so as to find a power abnormality fluctuation point;
S3, judging whether the number of the found power abnormal fluctuation points is larger than a preset number threshold value in the load characteristic data acquisition period in the temperature-dependent interval,
If yes, in the flexible regulation and control of the appointed air conditioner in the next stage with the stage continuity with the current stage, the range of the temperature-dependent interval is reduced, and the power regulation range of the appointed air conditioner in unit time is reduced;
If not, continuing to flexibly adjust the designated air conditioner according to the width of the temperature-dependent interval determined in the step S1.
2. The flexible regulation and control method of an air conditioner according to claim 1, wherein in step S1, polling the collected load characteristic data includes: the power fluctuation value acquired at each wind outlet wind speed prediction time point in each polling period under the temperature interval is the moment when the wind pressure sensor arranged at the wind outlet of each wind pipe section in the data characteristic amplification structure detects abrupt wind pressure.
3. The flexible regulation and control method of an air conditioner according to claim 1, wherein in step S1, polling the collected response feedback data includes: in each polling period, the abrupt wind pressure of the air outlet of each air pipe section and the air density detected by each air pipe section air density sensor in the multi-stage air pipe section air density sensor in the pipe; polling the calculated response feedback data includes: the wind speed predicted value of the wind speed predicted time point of the air conditioner initial wind outlet in each polling, wherein each wind speed predicted time point of the wind outlet in one polling comprises the moment when the wind pressure sensor arranged at the wind outlet of each wind pipe section in the data characteristic amplifying structure detects abrupt wind pressure.
4. The flexible regulation and control method of an air conditioner according to claim 3, wherein the calculation method of the wind speed predicted value is expressed by the following formula (1):
；
In the formula (1), Is shown in the firstIn the secondary polling, the data feature is amplified in the structureThe stage wind pipe section predicts the wind outlet speed of the air conditioner initial wind inlet at the corresponding wind outlet wind speed prediction time point;
Is shown in the first In the secondary polling, the firstThe air density detected by an air density sensor of the air pipe section of the sensor combination is formed by the air accelerator of the air pipe section of the stage air pipe section and the air pipe section for executing the wind accelerating action;
Is shown in the first In the secondary polling, set at the firstAbrupt wind pressure detected by a wind pressure sensor at an air outlet of the stage air pipe section;
the accelerating wind speed of the wind accelerator is the wind speed of the wind pipe section for executing wind accelerating action.
5. The flexible control method according to claim 4, wherein the data characteristic amplifying structure comprises a plurality of air duct sections with air outlets and air inlets connected in a head-to-tail sealing manner, wherein an air inlet cross-sectional area of a first air duct section connected with an initial air outlet of the designated air conditioner is the same as an air outlet cross-sectional area of the initial air outlet, and an air inlet cross-sectional area of the remaining air duct sections is the same but greater than an air inlet cross-sectional area of the first air duct section:
The first wind pipe section is internally provided with a first wind accelerator and a first air density sensor, and the first wind accelerator is used for accelerating the entering wind for a fixed time period with set power acceleration and then discharging the wind from an air outlet of the first wind pipe section; the air outlet cross section area of the air outlet of the first air duct section is smaller than the air outlet cross section area of the initial air outlet; the first air density sensor, the first wind accelerator and the first wind pipe section air outlet are respectively provided with a first distance and a second distance, and the first distance is larger than the second distance;
The cross section of the air inlet, the cross section of the air outlet and the tube length of the air tube section of the rest air tube sections which are in end-to-end closed butt joint behind the first air tube section are the same; a plurality of groups of sensor assemblies are arranged in each remaining air pipe section along the length direction of the air pipe section, the distance between every two sensor assemblies is the same, each sensor assembly comprises an air pipe section air density sensor and an air pipe section air accelerator, and the distance between the air pipe section air accelerator and an air pipe section air outlet of the air pipe section where the air pipe section air accelerator is located is smaller than that between the air pipe section air density sensor and an air pipe section air outlet of the air pipe section where the air pipe section air accelerator is located;
A wind pressure sensor is arranged at the air outlet of the air pipe section of each air pipe section and used for detecting the accelerated wind pressure of the wind discharged from the air outlet of the air pipe section; and the wind accelerator of the wind pipe section in each wind pipe section carries out wind acceleration at the set power and the fixed duration.
6. The flexible regulation and control method of an air conditioner according to claim 1, wherein in step S2, the method for drawing the fitting curve includes the steps of:
B1, extracting the wind speed predicted abnormal value in the wind speed predicted values calculated according to each polling in the temperature interval, adding the wind speed predicted abnormal value into a wind speed abnormal value set, and forming each wind speed predicted value of the extraction residues The pair of data to be expressed is selected,、Respectively representing the first data characteristic amplifying structure in the temperature rangeStage wind pipe section at the first stageThe wind speed forecast and the power fluctuation value in the secondary poll,Is the firstStage wind pipe section at the first stageSecond air conditioner power and second air conditioner power acquired at predicted time point of wind outlet speed in secondary pollingStage wind pipe section at the first stageThe absolute value of the difference value of the first air conditioner power acquired at the predicted time point of the wind outlet wind speed in secondary polling;
B2, using the wind speed predicted value and the power fluctuation value as the horizontal axis coordinate and the vertical axis coordinate in the xy axis coordinate system respectively, and using each temperature interval Data pairs are plotted in the xy-axis coordinate system, and each plotted data point is fitted to the fitted curve by a fitting function.
7. The flexible control method of air conditioner according to claim 6, wherein in step S2, the method for finding the power abnormality fluctuation point comprises the steps of:
c1, extracting element values from the wind speed abnormal value set;
C2, solving a y value of the fitting function by taking the element value extracted in the step C1 as an independent variable of the fitting function;
c3, judging whether the y value deviates from the maximum allowable value of power fluctuation corresponding to polling,
If yes, accumulating '1' for the number count of the power abnormal fluctuation points of the flexible regulation and control of the appointed air conditioner;
if not, turning to the step C4;
And C4, judging whether the wind speed abnormal value set is extracted as an empty set,
If yes, outputting a power abnormality fluctuation point position counting result;
if not, returning to the step C1.
8. The flexible control method of air conditioner according to claim 7, wherein in step C3, the method of determining whether the y value deviates from the maximum allowable value of power fluctuation corresponding to the polling includes the steps of:
C31, acquiring the air conditioning power of the designated air conditioner collected each time under the same polling as the element value for solving the y value;
C32, calculating the maximum allowable value of the power fluctuation by taking the difference value of the maximum air-conditioning power and the minimum air-conditioning power obtained in the step C31 as a deviation judgment basis;
C33, judging whether the absolute value of the difference between the y value and the maximum allowable value of the power fluctuation is larger than a preset threshold value,
If yes, judging that the y value deviates from the maximum allowable value of the power fluctuation;
If not, go to step C4.
9. The flexible control method according to claim 6, wherein the method for narrowing the range according to the temperature interval and reducing the power adjustment range under the "yes" determination condition in step S3 includes the steps of:
S31, calculating the ratio of the number of the found power abnormality fluctuation points to the number of the residual wind speed predicted values extracted in the step B1 as a correction coefficient ；
S32, calculating the increment of the temperature interval or the power adjustment amplitude in the next stageThe calculation method comprises the following steps:
；
The width of the temperature-dependent interval of the previous stage having the stage continuity with the next stage or the power adjustment amplitude of flexibly adjusting the designated air conditioner in the previous stage are represented;
S33, taking the upper limit value of the temperature-dependent interval in the step S1 as the lower limit value of the temperature-dependent interval in the next stage, and taking the lower limit value and the increment representing the temperature-dependent interval The sum of (2) is the upper limit value of the temperature-dependent interval of the next stage, and the temperature-dependent interval of the next stage is determined or the power adjustment amplitude is representedAnd adjusting the power adjustment amplitude of the designated air conditioner as the next stage.
10. An air conditioner flexible control terminal, characterized in that the air conditioner flexible control method according to any one of claims 1 to 9 can be realized.
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