CN114576827A - Air conditioner power utilization standard value determining method, power utilization control method and device and air conditioner - Google Patents
Air conditioner power utilization standard value determining method, power utilization control method and device and 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/46—Improving electric energy efficiency or saving
- F24F11/47—Responding to energy costs
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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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- 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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Abstract
The application discloses an air conditioner power utilization standard value determining method, a power utilization control method and device and an air conditioner, wherein the air conditioner power utilization standard value determining method comprises the following steps: acquiring operation parameters of the air conditioner and power consumption in preset time; determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value; and when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is normal in the preset time, and the change of the running parameters is less than or equal to the parameter change threshold value in the preset time, the electricity consumption standard value is updated to the electricity consumption. According to the method and the device, the power utilization standard value is updated by utilizing the actual power consumption of the air conditioner during normal operation, the updated power utilization standard value adapts to the influence of factors such as the change of the application environment of the air conditioner, the change of the service life and the like, and the accuracy of determining the power utilization standard value is improved. But this application wide application in air conditioner control field.
Description
Technical Field
The invention relates to the technical field of motors, in particular to a method for determining an air conditioner electricity utilization standard value, an electricity utilization control method and device and an air conditioner.
Background
Air conditioners have become the mainstream of the air conditioning industry and are also the main energy consumption equipment in household appliances. Based on the popularization of the energy-saving concept, the visualization of the power consumption of the air conditioner is beneficial to improving the user experience, and meanwhile, the control mode of the air conditioner is adjusted in real time through the power detection so as to meet the power consumption requirement set by a customer.
In the prior art, the following methods are mainly used for acquiring the electric quantity of an air conditioning system:
1) a hardware scheme;
a) additionally, electric quantity detection equipment such as an electric meter and an intelligent detection device is purchased, and electric quantity detection of the air conditioner is achieved.
b) And changing a circuit hardware scheme, for example, adding hardware measures such as an electric quantity detection module and a sampling circuit, and realizing the electric quantity detection of the air conditioner.
2) A pure software scheme; and estimating the running electric quantity of the system through limited detection variables based on an algorithm.
At present, some applications judge whether an air conditioner is abnormal or not by comparing the power consumption of the air conditioner within a period of time with a set reference power consumption, the set power consumption is fixed by a system or is input manually, and the set power consumption cannot well reflect the real situation and has the problem of misjudgment because the application environment is likely to have great change, the service life of the air conditioner and other factors are different.
Disclosure of Invention
The present application aims at solving one of the technical problems existing in the prior art at least for a certain degree of celsius.
The embodiment of the application provides an air conditioner electricity utilization standard value determining method, an air conditioner electricity utilization control method and device and an air conditioner. The method can provide more accurate electricity standard value.
According to a first aspect of the embodiments of the present application, there is provided an air conditioner electricity standard value determining method, including:
acquiring the operating parameters of the air conditioner and the electricity consumption in the preset time;
determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value;
and when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is normal in the preset time, and the change of the running parameters is less than or equal to the parameter change threshold value in the preset time, the electricity consumption standard value is updated to the electricity consumption.
In the embodiment of the application, the electricity utilization standard value is updated by using the actual electricity consumption when the air conditioner normally operates, the updated electricity utilization standard value adapts to the influence of factors such as the change of the application environment of the air conditioner, the change of the service life and the like, and the accuracy of determining the electricity utilization standard value is improved.
In addition, according to the air conditioner electricity standard value determining method of the above embodiment of the present application, the following additional technical features may also be provided:
optionally, the operating parameters include an indoor temperature, an outdoor temperature, and a target temperature.
The influence of indoor temperature centigrade, outdoor temperature centigrade and target temperature centigrade on the power consumption of the air conditioner plays a key role, in the embodiment of the application, the parameters are selected as operation parameters, and the standard power consumption matched with the parameters can be determined accurately.
Optionally, the determining method further includes: when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is abnormal in the preset time or the change of the running parameters is greater than the parameter change threshold value in the preset time, and then the electricity consumption standard value is kept unchanged.
Within the preset time, if the operation state of the air conditioner is abnormal or the change of the operation parameters is large, the current electricity consumption is not the electricity consumption under the condition of normal operation of the air conditioner and is not suitable to be used as the electricity consumption standard value, so that the electricity consumption standard value in the original data table can be maintained unchanged, and the accuracy of determining the electricity consumption standard value is improved.
Optionally, the determining the electricity standard value of the air conditioner according to the operation parameter specifically includes:
pre-storing a data table comprising preset operation parameters and power utilization standard values under the preset operation parameters;
and taking the electricity utilization standard value under the preset operation parameter closest to the operation parameter in the data table as the electricity utilization standard value of the air conditioner.
The data table is stored in advance, the electricity utilization standard value corresponding to the operation parameter is searched in a data table searching mode, the method is a method for obtaining the electricity utilization standard value, and convenience in determining the electricity utilization standard value is improved.
Optionally, the determining the reference power consumption of the air conditioner according to the standard power consumption value specifically includes:
and multiplying the electricity utilization standard value under the closest preset operation parameter by a first coefficient to obtain the reference electricity consumption.
Due to the arrangement of the proper first coefficient, the air conditioner can be prevented from frequently giving false alarms, the air conditioner can play a role in warning under normal application, and meanwhile due to the arrangement of the proper reference power consumption, the accuracy of determining the standard power consumption value is improved.
Optionally, the method for determining that the operation state of the air conditioner is normal within the preset time includes:
recording the running state of the air conditioner within the preset time;
and reading the running state, and determining that the running state of the air conditioner is normal within the preset time when no abnormal record exists in the running state.
If no abnormal processing record such as over-frequency reduction and the like occurs within the preset time, the current operation state of the air conditioner is a normal state, the current power consumption can represent the normal power consumption of the air conditioner, and whether the operation state of the air conditioner is abnormal or not can be conveniently confirmed through the record of the operation state of the air conditioner in the embodiment.
According to still another aspect of an embodiment of the present application, there is provided an air conditioning electric control method including:
acquiring the electricity consumption and reference electricity consumption of the air conditioner;
when the used amount is greater than the reference used amount, performing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
controlling the air conditioner to operate at a reduced power;
wherein the reference used amount is determined based on a standard electricity usage value determined using the determination method as described above.
In the embodiment of the application, the electricity standard value is determined by adopting the electricity standard value determining method, so that the condition of electricity consumption can be accurately judged, a user can be reminded of paying attention to the electricity consumption condition in time, and the rise of the electricity consumption is limited.
According to still another aspect of an embodiment of the present application, there is provided an air conditioning electric control method including:
acquiring the operating parameters of the air conditioner and the electricity consumption in the preset time;
determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value;
when the electricity consumption is larger than the reference electricity consumption and the change of the operation parameters in the preset time is larger than a parameter change threshold value, acquiring a corrected reference electricity consumption;
when the used amount is larger than the corrected reference used amount, performing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
controlling the air conditioner to operate at a reduced power;
the electricity standard value is determined by the determination method.
The power consumption standard value is determined by the power consumption standard value determining method, the condition of the power consumption can be accurately judged, and meanwhile, a correction reference power consumption is determined when the operation parameters in the preset time are greatly changed, so that the accuracy of power consumption judgment is further improved, a user is timely reminded of paying attention to the power consumption condition, and the increase of the power consumption is limited.
Optionally, the control method further includes:
when the electricity consumption is larger than the reference electricity consumption and the change of the operation parameter is smaller than or equal to the parameter change threshold value in the preset time, executing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
and controlling the air conditioner to operate at reduced power.
In the embodiment of the application, when the change of the operation parameter within the preset time is less than or equal to the parameter change threshold, it is indicated that the normal power consumption can be reflected according to the power consumption standard value obtained by looking up the data table, therefore, when the power consumption is greater than the reference power consumption obtained based on the power consumption standard value, the power consumption can be determined to be abnormal, and the accuracy of judging the power consumption abnormality is improved.
Optionally, when the change of the operating parameter within the preset time is greater than a parameter change threshold, acquiring a modified reference power consumption, including:
when the change of the operation parameters is larger than a parameter change threshold value within the preset time, dividing the operation parameters into at least 2 groups of sub-operation parameters according to a change rule;
acquiring a power utilization standard value under each group of sub-operation parameters according to each group of sub-operation parameters;
acquiring the operation duration of each group of the sub-operation parameters;
and determining the corrected reference power consumption according to the operation duration of each group of the sub-operation parameters and the power consumption standard value under the sub-operation parameters.
In the embodiment of the application, the longer the running time is, the larger the proportion of the electricity standard value corresponding to the group of running parameters in determining the corrected reference electricity consumption is, and the corrected reference electricity consumption obtained in this way can reflect the normal electricity consumption within the preset time, so that the accuracy of the abnormal electricity consumption judgment is further improved by the limitation.
Optionally, the determining the corrected reference power consumption according to the operation duration of each set of sub-operation parameters and the power consumption standard value under the sub-operation parameters includes:
determining a weighted average value of the electricity utilization standard values under each group of the sub-operation parameters according to the operation duration of each group of the sub-operation parameters; and determining the corrected reference electricity consumption according to the weighted average value.
In the embodiment of the application, the weighted average value can reflect the normal electricity consumption within the preset time. The corrected reference power consumption determined according to the weighted average value is applied to power consumption abnormity judgment, so that the accuracy of power consumption abnormity judgment can be improved.
Optionally, the determining the corrected reference power consumption according to the weighted average specifically includes:
and multiplying the weighted average value by a second coefficient to obtain the corrected reference electricity consumption.
In the embodiment of the application, the setting of the appropriate second coefficient can prevent the air conditioner from frequently giving an alarm by mistake, and can play a warning role under normal application, and meanwhile, due to the setting of the appropriate reference power consumption, the accuracy of determining the power utilization standard value is improved.
According to still another aspect of an embodiment of the present application, there is provided an air conditioner electric control device including a memory for storing a data table including preset operation parameters and electricity usage standard values under the preset operation parameters, and a controller;
the controller acquires the electricity standard value by querying the data table and is used for executing the control method.
According to still another aspect of embodiments of the present application, there is provided an air conditioner including: an indoor unit, an outdoor unit and the air conditioner electric control device; the indoor unit is in communication connection with the outdoor unit, and the outdoor unit is in communication connection with the air conditioning electric control device.
According to another aspect of embodiments of the present application, there is provided a computer apparatus including: at least one processor; at least one memory for storing at least one program; when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the air-conditioning electricity standard value determination method or the air-conditioning electricity control method as described above.
According to still another aspect of embodiments of the present application, there is provided a computer-readable storage medium in which a processor-executable program for implementing the air-conditioning electricity standard value determining method or the air-conditioning electric control method as described above when executed by the processor is stored.
Advantages and benefits of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application:
according to the technical scheme, the electricity utilization standard value is updated by using the actual electricity consumption when the air conditioner normally operates, the updated electricity utilization standard value adapts to the influence of factors such as the change of the application environment of the air conditioner, the change of the service life and the like, and the accuracy of determining the electricity utilization standard value is improved.
Drawings
Fig. 1 is a schematic view of an air conditioner provided in an embodiment of the present application;
fig. 2 is a schematic view of an air conditioning control device provided in an embodiment of the present application;
FIG. 3 is a schematic diagram of a method for determining an air conditioner electric standard value provided in the embodiment of the present application;
fig. 4 is a schematic diagram of an air conditioning electric control method provided in an embodiment of the present application;
fig. 5 is a schematic diagram of still another air conditioning control method provided in the embodiment of the present application;
fig. 6 is a logic diagram providing an air conditioner electricity standard value determination method and an air conditioner electric control method in the embodiment of the present application.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
Referring to fig. 1, an air conditioner according to an embodiment of the present invention includes an indoor unit 110, an outdoor unit 120, and an electrical air conditioning control unit 130. Referring to fig. 2, the air conditioning electric control device 130 includes a memory 131 and a controller 132. The memory 131 is configured to store a data table, where the data table includes preset operation parameters of the air conditioner and standard power consumption corresponding to the preset operation parameters, and the standard power consumption is power consumption referred to by normal operation of the air conditioner corresponding to the preset operation parameters. The operating parameters include an indoor temperature T1, an outdoor temperature T2, and a target temperature Tt. The preset operation parameters and the corresponding standard power consumption in the data table may be set when the air conditioner is shipped from a factory, and are stored in the memory 131 in advance. The controller 132 can read data in a data table in the memory 131.
In fig. 1, the indoor unit 110 may be configured to calculate a power consumption of the indoor unit of the air conditioner within a preset time, the outdoor unit 120 may be configured to calculate a power consumption of the outdoor unit of the air conditioner within a preset time, the indoor unit 110 and the outdoor unit 120 may communicate with each other to exchange the respective calculated power consumptions, and after the power consumptions of the opposite sides are obtained, the total power consumption of the air conditioner may be calculated. For example, the outdoor unit 120 may receive the indoor unit electricity consumption from the indoor unit 110, and calculate the indoor unit electricity consumption and the outdoor unit electricity consumption detected and calculated by itself to obtain the total electricity consumption of the air conditioner; the outdoor unit 120 may also receive the total air conditioner power consumption calculated by the indoor unit 110. The outdoor unit 120 is further configured to obtain operation parameters of the air conditioner, such as an outdoor temperature T2 and a target temperature Tt; and the indoor temperature T1 of another operation parameter can be obtained by communicating with the indoor unit 110. The total power consumption is the power consumption of the air conditioner within a preset time. The outdoor unit 120 transmits the used amount of electricity and the operation parameter to the air conditioning electric control device 130.
After acquiring the operation parameters transmitted by the outdoor unit, the controller 132 queries the corresponding standard power consumption in the data table of the memory 131 by means of a lookup table, and determines whether to send a power consumption abnormal alarm signal or send a command for controlling the air conditioner to reduce power according to the operation parameters, the standard power consumption and the power consumption within a preset time; and whether to update the standard power usage in the data table. If it is determined that the abnormal power consumption alarm signal is issued, the signal may be transmitted to the indoor unit 110 through the outdoor unit 120, and the indoor unit 110 may issue an alarm signal or display an alarm message after receiving the signal. If it is determined that the command for controlling the air conditioner to perform the power down operation is issued, the command may be transmitted to the outdoor unit 120, and after the command is received by the electric control board of the outdoor unit 120, the outdoor unit may be controlled to perform the power down operation, such as the frequency down operation, according to the command. The air conditioner can be a variable frequency air conditioner, and the power reduction operation of the outdoor unit can be realized by adopting the frequency reduction operation.
Alternatively, the air conditioner control device 130 communicates with the electric control panel of the outdoor unit 120 through asynchronous serial port communication.
Because the air conditioner electric control device 130 can communicate with the outdoor unit to realize coordination work, detection of the air conditioner power consumption can be realized without additionally purchasing electric quantity detection equipment or changing circuit hardware settings, and the detection result is more accurate because the power consumption detection does not rely on software estimation.
Optionally, the indoor unit 110 may also communicate with the remote controller 140 or the application software 150 located in the mobile terminal. For example, the communication is implemented by wifi or bluetooth, and the specific communication method is not limited here. Through the arrangement, data transmission between the remote controller 140 or the application software 150 and the indoor unit 110 can be conveniently realized. For example, when a signal such as an alarm is sent from the air conditioner control device, the signal may be transmitted to the remote controller 140 or the application software 150 through the outdoor unit 120 or the indoor unit 110 to remind the user. The user can also set the upper limit value of the power consumption through the remote controller 140 or the application software 150, the set upper limit value is transmitted to the indoor unit 110, the indoor unit 110 compares the power consumption for the air conditioner with the upper limit value, and when the power consumption for the air conditioner is greater than the upper limit value, an alarm signal is sent; of course, the alert signal may also be transmitted to the remote control 140 or the application software 150.
It will be appreciated by those skilled in the art that the alert signal may be any one or combination of error codes, screen flashing, or a pop-up alert dialog box.
Referring to fig. 3, a method for determining an electric standard value for an air conditioner provided by an embodiment of the present application is shown, and includes the following steps:
and S210, acquiring the operation parameters of the air conditioner and the electricity consumption in the preset time.
Optionally, the operating parameters include an indoor temperature, an outdoor temperature, and a target temperature.
The influence of the indoor temperature T1, the outdoor temperature T2 and the target temperature Tt on the electricity consumption of the air conditioner plays a key role, the parameters are selected as operation parameters, the standard electricity consumption matched with the operation parameters can be determined accurately, and the parameters can be obtained simply and conveniently through the indoor unit and the outdoor unit.
As described above, it can be understood by those skilled in the art that the indoor units 110 and the outdoor units 120 can calculate the power consumption within the preset time t by continuously accumulating. The air conditioner control unit 130 may acquire a used amount of electricity of the air conditioner for a preset time t through communication with the outdoor unit 120.
And S220, determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value.
Optionally, the determining the electricity standard value of the air conditioner according to the operation parameter specifically includes:
pre-storing a data table comprising preset operation parameters and power utilization standard values under the preset operation parameters;
and taking the electricity utilization standard value under the preset operation parameter closest to the operation parameter in the data table as the electricity utilization standard value of the air conditioner.
The data table is stored in advance, and the electricity utilization standard value corresponding to the operation parameter is searched in a data table searching mode, so that the method for acquiring the electricity utilization standard value is very convenient and easy to implement.
The following explains how to find the electricity usage standard value exemplarily. For example, in order to reduce the amount of data stored, T1, T2, and Tt in the data table are all in units of celsius, but other units may also be used, which is not limited herein. When the current T1, T2, Tt has decimal place, the integer value can be rounded, for example, when T2 is 35.4 degrees celsius, the table look-up will correspond to 35 degrees celsius — one table, so as to find the closest value. Specifically, the electricity standard values corresponding to the operation parameters (T1, T2, Tt) can be sequentially searched in the data table according to T2, Tt and T1.
Optionally, the determining the reference electricity consumption of the air conditioner according to the electricity standard value specifically includes:
and multiplying the electricity utilization standard value under the closest preset operation parameter by a first coefficient to obtain the reference electricity consumption.
The value of the first coefficient K1 can be preset, and the value can be equal to 1 in consideration of the error problem of practical application, that is, the electricity standard value is directly used as the reference electricity consumption. And may be greater than 1, such as 1.1, 1.2, 1.3, 1.4, 1.5, etc. K1 can be set to be in the range of 1-1.5; for the updated electricity standard value, the updated electricity standard value is historical application data of the air conditioner, the setting larger than 1 can prevent the air conditioner from frequently giving false alarm, and if the value is too large, the air conditioner cannot play the role of warning under normal application. The specific numerical value is not limited here, and can be flexibly set in consideration of factors such as energy saving requirements of users. Due to the arrangement of the proper first coefficient, the air conditioner can be prevented from frequently giving false alarms, the air conditioner can play a role in warning under normal application, and meanwhile due to the arrangement of the proper reference power consumption, the accuracy of determining the standard power consumption value is improved.
And S230, when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is normal within the preset time, and the change of the running parameters within the preset time is less than or equal to a parameter change threshold value, updating the electricity consumption standard value into the electricity consumption.
In this step, when the power consumption is less than or equal to the reference power consumption, it is determined that the power consumption is normal, and at this time, if the operation state of the air conditioner within the preset time is normal, no abnormality occurs, and the change of the operation parameter within the preset time is not large, it indicates that the current power consumption is the normal power consumption of the air conditioner under the current condition. Therefore, the corresponding electricity standard value in the data table can be updated to the current electricity consumption, so that the influences of the change of the application environment and the change of the service life of the air conditioner can be adapted, the more accurate electricity standard value suitable for the current environment and the service life is provided, and the accuracy of determining the electricity standard value is improved.
In this step, the normal meaning of the air conditioner operation state includes that no protection action such as overcurrent protection or other abnormal operation occurs during the air conditioner operation. For example, overcurrent protection occurs during the operation of the air conditioner, and the air conditioner can operate in a frequency reduction mode, which belongs to one of abnormal states.
Optionally, the method for determining that the operation state of the air conditioner is normal within the preset time includes:
recording the running state of the air conditioner within the preset time;
and reading the running state, and determining that the running state of the air conditioner is normal within the preset time when no abnormal record exists in the running state.
And confirming whether abnormal processing such as over-frequency reduction and the like occurs in the preset time through the operation record of the outdoor unit, wherein if no abnormal processing record exists, the current operation state of the air conditioner is a normal state, and the current power consumption can represent the normal power consumption of the air conditioner.
Optionally, the determining method further includes: when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is abnormal in the preset time or the change of the running parameters is greater than the parameter change threshold value in the preset time, and then the electricity consumption standard value is kept unchanged.
For example, if a change of 2 degrees celsius or more occurs at T2, or a change of 2 degrees celsius or more occurs at T1, or Tt is repeatedly set to cause a change of more than 2 degrees celsius within a preset time, it means that the current power consumption is not the power consumption in the normal operation of the air conditioner and is not suitable for the standard power consumption value, and therefore, the standard power consumption value in the original data table can be maintained.
According to the embodiment, the electricity utilization standard value can be updated by using the historical data of the air conditioner, the influence of the change of the application environment and the change of the service life of the air conditioner is adapted, and therefore the accuracy of determining the electricity utilization standard value is improved.
Referring to fig. 4, an air conditioning control method provided by an embodiment of the present application is shown, including the following steps:
and S310, acquiring the electricity consumption of the air conditioner and the reference electricity consumption.
S320, when the electricity consumption is larger than the reference electricity consumption, executing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
and controlling the air conditioner to operate at reduced power.
Wherein the reference power consumption is determined according to a power consumption standard value determined by the power consumption standard value determining method as described above.
As described above, the abnormal electricity consumption alarm may be in various manners, and may be transmitted to at least one of the remote controller 140, the application software 150, or the indoor unit 110; the alarm signal may be an error code, a screen flash, or a pop-up alarm dialog box, or a combination of several of these. The meaning of the alarm signal is that the power consumption of the air conditioner is higher than that of the past, and after receiving the alarm signal, a user can check whether the running environment of the air conditioner is abnormal, such as whether doors and windows are closed well, whether the temperature of an internal machine is normal in temperature exchange, whether a system lacks a refrigerant or a pipeline is blocked, and the like. Or output a command and transmit the command to the outdoor unit 120, and after receiving the command, the electronic control board of the outdoor unit 120 may control the outdoor unit to perform power down operation, such as power down operation, according to the corresponding command.
The air conditioner electric control method adopts the electricity utilization standard value determining method to determine the electricity utilization standard value, so that the condition of electricity consumption can be accurately judged, a user can be timely reminded of paying attention to the electricity utilization condition, and the rise of the electricity consumption is limited.
Referring to fig. 5, there is shown another air conditioning control method provided in the embodiment of the present application, including the following steps:
and S410, acquiring the operation parameters of the air conditioner and the electricity consumption in the preset time.
And S420, determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value.
And S430, when the electricity consumption is larger than the reference electricity consumption and the change of the operation parameters in the preset time is larger than a parameter change threshold value, acquiring a corrected reference electricity consumption.
S440, when the electricity consumption is larger than the corrected reference electricity consumption, executing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
and controlling the air conditioner to operate at reduced power.
Wherein, the electricity standard value is determined by adopting the electricity standard value determination method.
The aforementioned methods for acquiring, transmitting or executing the relevant features such as the alarm signal, the operation parameter, the power-down operation and the like are all applicable to the embodiment, and have the same beneficial effects.
In this embodiment, when the variation of the operation parameter within the preset time is greater than the parameter variation threshold, for example, the parameter variation threshold is 2 degrees celsius, if it is found that the ambient temperature T2 has a variation of 2 degrees celsius or more, or T1 has a variation of 2 degrees celsius or more, or Tt is repeatedly set so that the variation exceeds 2 degrees celsius or more, the electricity standard value obtained by looking up the data table according to the current operation parameter may not accurately reflect the normal electricity consumption standard value within the whole preset time, and the reference electricity consumption determined according to the electricity consumption may not be suitable for use as the judgment of the electricity consumption abnormality. Under the condition, a correction reference power consumption is required to be obtained, and the normal power consumption in the preset time can be accurately reflected; and then the abnormal electricity utilization judgment is carried out by comparing the electricity consumption with the corrected reference electricity consumption. The parameter variation threshold is only an example, and may also be 1.5 degrees celsius, 3 degrees celsius, or the like, which is not limited herein and may be flexibly set according to the actual application situation.
Therefore, the air conditioner electric control method adopts the electricity utilization standard value determining method to determine the electricity utilization standard value, the condition of the electricity consumption can be accurately judged, and meanwhile, the embodiment also determines a correction reference electricity consumption when the operation parameters in the preset time are greatly changed, so that the accuracy of electricity consumption judgment is further improved, a user is timely reminded of paying attention to the electricity utilization condition, and the increase of the electricity consumption is limited.
Optionally, when the power consumption is greater than the reference power consumption and the change of the operation parameter is less than or equal to the parameter change threshold within the preset time, at least one of the following steps is performed:
an abnormal electricity consumption alarm is sent out, or,
and controlling the air conditioner to operate at reduced power.
In this embodiment, when the variation of the operation parameter within the preset time is less than or equal to the parameter variation threshold, it indicates that the electricity standard value obtained by looking up the data table can represent the normal electricity consumption, and therefore, when the electricity consumption is greater than the reference electricity consumption obtained based on the electricity standard value, it can be determined that the electricity consumption is abnormal.
Optionally, when the change of the operating parameter within the preset time is greater than a parameter change threshold, acquiring a modified reference power consumption, including:
when the change of the operation parameters is larger than a parameter change threshold value within the preset time, dividing the operation parameters into at least 2 groups of sub-operation parameters according to a change rule;
acquiring a power utilization standard value under each group of sub-operation parameters according to each group of sub-operation parameters;
acquiring the operation duration of each group of the sub-operation parameters;
and determining the corrected reference power consumption according to the operation duration of each group of sub-operation parameters and the power consumption standard value under the sub-operation parameters.
An exemplary introduction is as follows. During operation, if a change in (T1, T2, Tt) of more than 2 degrees Celsius is found, the change is defined as greater. For example: within 8 minutes of the preset time, if a 3-degree-centigrade change (35-38) occurs at T2, the change is divided into 4 groups (T1, 35, Tt), (T1, 36, Tt), (T1, 37, Tt), (T1, 38, Tt) as follows, and the operation time of each group of operation parameters is confirmed. The longer the running time is, the larger the proportion of the electricity standard value corresponding to the group of running parameters in determining the corrected reference electricity consumption is, and the obtained corrected reference electricity consumption can reflect the normal electricity consumption in the preset time.
Optionally, the determining the corrected reference power consumption according to the operation duration of each set of sub-operation parameters and the power consumption standard value under the sub-operation parameters includes:
determining a weighted average value of the electricity utilization standard values under each group of the sub-operation parameters according to the operation duration of each group of the sub-operation parameters; and determining the corrected reference electricity consumption according to the weighted average value.
An exemplary introduction is as follows. In the operation process, in the 4 sets of operation parameters, each set is operated for 2 minutes within a preset time of 8 minutes, and the ratios L1 to L4 of the operation time of each set in the preset time are 2/8, that is, L1, L2, L3, L4, and L2/8 are obtained. If the electricity consumption standard values in the data table corresponding to the 4 groups of operation parameters are Qref 1-Qref 4, the weighted average value Qref _ avg of Qref 1-Qref 4 is L1 × Qref1+ L2 × Qref2+ L3 × Qref3+ L4 × Qref 4. The weighted average can reflect the normal electricity usage over the predetermined time. The corrected reference power consumption determined according to the weighted average value is applied to power consumption abnormity judgment, so that the accuracy of power consumption abnormity judgment can be improved, and the energy-saving effect is improved.
Optionally, the determining the corrected reference power consumption according to the weighted average specifically includes:
and multiplying the weighted average value by a second coefficient to obtain the corrected reference electricity consumption.
The value of the second coefficient K2 may be preset, and the value may be equal to 1 in consideration of the error problem in practical application, that is, the weighted average value is directly used as the corrected reference power consumption. It may also be greater than 1, such as 1.1, 1.2, 1.3, 1.4, 1.5, etc. K2 can be set to be in the range of 1-1.5; the setting more than 1 can prevent the air conditioner from frequently giving false alarm, and if the numerical value is too large, the alarm cannot play a role of warning under normal application. The specific numerical value is not limited here, and can be flexibly set in consideration of factors such as energy saving requirements of users.
The following describes in detail the embodiments of the air conditioner electricity utilization standard value determination method and the air conditioner electric control method according to the present application with reference to fig. 6.
Referring to fig. 6, after the air conditioner is powered on to operate, the air conditioner electric control device obtains current operation parameters of an indoor temperature T1, an outdoor temperature T2 and a target temperature Tt. The obtaining method is as described above, and is not described herein again. The air conditioning control unit finds the electricity consumption standard value Qref closest to the current operation parameter (T1, T2, Tt) from a pre-stored data table according to the operation parameter.
Specifically, a plurality of data sets (T1i, T2i, Tti, Qrefi) are stored in the data table, wherein T1i, T2i, Tti are preset operation parameters; qrefi is the standard power consumption corresponding to the preset operation parameter, namely the normal air conditioner power consumption within the preset time t under the preset operation parameter; 1-N, N is the number of data group. Illustratively, when the acquired current operation parameters (T1, T2, Tt) of the air conditioner are (30, 37, 17), that is, the indoor temperature T1 is 30 degrees celsius, the outdoor temperature T2 is 37 degrees celsius, and the target temperature Tt is 17 degrees celsius, and there is a data set (30, 37, 17, 1009 degrees celsius) in the data table, the power consumption standard value 1009 watt-hour (Wh) corresponding to the operation parameters (30, 37, 17) can be found by looking up the data table. If the data set (30, 37, 17) does not exist in the data table, the data set closest to the data set (30, 37, 17) can be found, and the electricity utilization standard value corresponding to the closest data set is found to be used as the electricity utilization standard value.
The air conditioning electric control device records in real time the states of the operating parameters (T1, T2, Tt) within a preset time T and whether the air conditioner is abnormal or not. The normal operation of the air conditioner means that no protection actions such as over-current protection and the like or other abnormal operation conditions occur in the operation process of the air conditioner. For example, overcurrent protection occurs during the operation of the air conditioner, and the air conditioner can operate in a frequency reduction mode, which belongs to one of abnormal states. The air conditioner electric control device can record whether the air conditioner is abnormal in the running process in real time.
Then, whether the end time of the preset time T is reached is judged. When the time is reached, a preset time T is indicated to be ended, so that the step of reading the power consumption Qh can be carried out; if the time is not reached, the process returns to the recording step.
The power consumption Qh is compared with the product of the electricity standard value Qref and the first coefficient K1, and the product of the electricity standard value Qref and the first coefficient K1 can also be called as the reference power consumption. It is determined whether the formula Qh > K1 × Qref is satisfied.
When the formula is not satisfied, that is, the used electricity amount Qh is not more than the reference used amount, the above record is read, information on whether the abnormality of the air conditioner occurs is obtained, and it is confirmed whether the operation parameters (T1, T2, Tt) have a large change. When the air conditioner is abnormal or the operation parameters (T1, T2 and Tt) are greatly changed, the obtained power consumption cannot represent the current normal power consumption of the air conditioner, at the moment, the data in the data table are not updated, and the steps of obtaining the current environmental parameters of the indoor temperature T1, the outdoor temperature T2 and the target temperature Tt are returned. When no abnormality exists in the air conditioner state record and the operation parameters (T1, T2 and Tt) do not change greatly, the current electricity consumption represents the current normal electricity consumption of the air conditioner, and therefore the data in the data table are updated. The manner of determining whether the operating parameter has changed significantly may be implemented by comparing the change in the operating parameter with a parameter change threshold, as described above. For example, the difference between the maximum value and the minimum value of the operating parameter within the preset time T is taken to represent the change of the operating parameter, and of course, a proportional relationship between the difference and the maximum value or the minimum value may also be used to represent the change of the operating parameter, which is not limited herein, and those skilled in the art can understand that any calculation method capable of representing the change of the operating parameter may be used. Illustratively, when the acquired current operating parameters (T1, T2, Tt) of the air conditioner are (30, 37, 17) and the power consumption is 1000 watts, and a data group (30, 37, 17, 1009) exists in the data table, 1009 of the data group (30, 37, 17, 1009) in the data table may be updated to 1000, so that the data group is updated to (30, 37, 17, 1000).
And after the updating is finished, continuously returning to the step of obtaining the indoor temperature T1, the outdoor temperature T2 and the target temperature Tt of the current environmental parameters.
When the formula Qh > K1 × Qref is satisfied, that is, the available power Qh is greater than the reference power consumption, it is necessary to determine whether the operation parameter has changed greatly. Once a large change occurs, the power utilization abnormal judgment is inaccurate by using the power utilization standard value corresponding to the single operation parameter.
When a large change occurs in the preset time T (T1, T2, Tt), a corrected reference power consumption needs to be obtained, instead of using the original reference power consumption. When the corrected reference electricity consumption is calculated, the operation parameters in the preset time T are divided into different groups (T1i, T2i, Tti), the proportion Li of the corresponding duration of each group occupying the preset time is calculated, the corresponding Qrefi of (T1i, T2i, Tti) of each group is read, and the weighted average value Qref _ avg of the electricity consumption in the T is calculated. Specifically, the weighted average value Qref _ avg is L1 × Qref1+ L2 × Qref2+ L3 × Qref3+ L4 × Qref 4.
Then, the used amount Qh and Qref _ avg are compared, and it is determined whether or not Qh > K2 × Qref _ avg and K2 × Qref _ avg are satisfied as the corrected reference used amount. The value of the second coefficient K2 may be preset, and the value may be equal to 1 in consideration of the error problem in practical application, that is, the weighted average value is directly used as the corrected reference power consumption. And may be greater than 1, such as 1.1, 1.2, 1.3, 1.4, 1.5, etc. For example, K2 may be set to be in the range of 1 to 1.5; the setting more than 1 can prevent the air conditioner from false alarm frequently, and if the numerical value is too large, the alarm function cannot be played under normal application. The specific numerical value is not limited here, and can be flexibly set in consideration of factors such as energy saving requirements of users. And when Qh > K2 is met, Qref _ avg confirms that the electricity consumption is abnormal, and sends out an electricity consumption abnormal alarm or controls the air conditioner to reduce power to operate. And when the Qh > K2 × Qref _ avg is not satisfied, confirming that the power consumption is normal, and returning to the step of obtaining the current environmental parameters of the indoor temperature T1, the outdoor temperature T2 and the target temperature Tt.
And when no large change occurs within the preset time T (T1, T2 and Tt), confirming that the electricity consumption is abnormal, and sending an electricity consumption abnormal alarm or controlling the air conditioner to reduce the power to operate.
As shown in fig. 2, an embodiment of the present application further provides an electric control device for an air conditioner, where the electric control device for an air conditioner includes a memory and a controller, where the memory is used to store a data table, and the data table includes preset operation parameters and standard electricity utilization values under the preset operation parameters;
the controller acquires the electricity consumption standard value by querying the data table and is used for executing the air conditioner electric control method as described above.
The contents in the embodiment of the air conditioning electric control method are applied to the embodiment of the air conditioning electric control device, the functions specifically realized by the embodiment of the air conditioning electric control device are the same as those in the embodiment of the air conditioning electric control method, and the advantages achieved by the embodiment of the air conditioning electric control method are also the same as those achieved by the embodiment of the air conditioning electric control method.
As shown in fig. 1, an embodiment of the present application further provides an air conditioner including: an indoor unit, an outdoor unit and the air conditioner electric control device; the indoor unit is in communication connection with the outdoor unit, and the outdoor unit is in communication connection with the air conditioning electric control device.
The contents in the embodiment of the air conditioning electric control device described above are applied to the embodiment of the air conditioner, the functions implemented in the embodiment of the air conditioner are the same as those in the embodiment of the air conditioning electric control device described above, and the advantageous effects achieved by the embodiment of the air conditioning electric control device described above are also the same as those achieved by the embodiment of the air conditioning electric control device described above.
The embodiment of the application also provides computer equipment, which comprises at least one processor and at least one memory; the at least one memory for storing at least one program; when the at least one program is executed by the at least one processor, the at least one processor is caused to implement the air-conditioning electricity standard value determination method or the air-conditioning electricity control method as described above.
The contents in the above-mentioned air-conditioning electricity standard value determining method or air-conditioning electricity control method embodiment are applicable to this computer device embodiment, the functions specifically implemented by this computer device embodiment are the same as those in the above-mentioned motor start-up positioning method embodiment, and the beneficial effects achieved by this computer device embodiment are also the same as those achieved by the above-mentioned air-conditioning electricity standard value determining method or air-conditioning electricity control method embodiment.
The embodiment of the present application also provides a computer-readable storage medium in which a program executable by a processor is stored, and the program executable by the processor is used for realizing the air conditioner electricity standard value determining method or the air conditioner electricity control method as described above when being executed by the processor.
The contents in the above-mentioned embodiment of the method for determining an electricity standard value for an air conditioner or the method for controlling electricity for an air conditioner are applicable to this embodiment of the computer-readable storage medium, the functions implemented in this embodiment of the computer-readable storage medium are the same as those in the above-mentioned embodiment of the method for determining an electricity standard value for an air conditioner or the method for controlling electricity for an air conditioner, and the beneficial effects achieved are also the same as those achieved in the above-mentioned embodiment of the method for determining an electricity standard value for an air conditioner or the method for controlling electricity for an air conditioner.
It will be understood that all or some of the steps, systems of methods disclosed above may be implemented as software, firmware, hardware, and suitable combinations thereof. Some or all of the physical components may be implemented as software executed by a processor, such as a central processing unit, digital signal processor, or microprocessor, or as hardware, or as an integrated circuit, such as an application specific integrated circuit. Such software may be distributed on computer readable media, which may include computer storage media (or non-transitory media) and communication media (or transitory media). The term computer storage media includes volatile and nonvolatile, removable and non-removable media implemented in any method or technology for storage of information such as computer readable instructions, data structures, program modules or other data, as is well known to those skilled in the art. Computer storage media includes, but is not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, Digital Versatile Disks (DVD) or other optical disk storage, magnetic cassettes, magnetic tape, magnetic disk storage or other magnetic storage devices, or any other medium which can be used to store the desired information and which can accessed by a computer. In addition, communication media typically embodies computer readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transport mechanism and includes any information delivery media as known to those skilled in the art.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made without departing from the spirit of the present application within the knowledge of those skilled in the art.
Claims (15)
1. An air conditioner electricity standard value determining method is characterized by comprising the following steps:
acquiring operation parameters of the air conditioner and power consumption in preset time;
determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value;
when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is normal in the preset time, and the electricity consumption standard value is updated to the electricity consumption when the change of the running parameters is less than or equal to the parameter change threshold value in the preset time.
2. The determination method of claim 1, wherein the operating parameters include an indoor temperature celsius, an outdoor temperature celsius, and a target temperature celsius.
3. The determination method according to claim 1, characterized in that the determination method further comprises: when the electricity consumption is less than or equal to the reference electricity consumption, the running state of the air conditioner is abnormal in the preset time or the change of the running parameters is greater than the parameter change threshold value in the preset time, and then the electricity consumption standard value is kept unchanged.
4. The determination method according to claim 1, 2 or 3, wherein the determining the standard value of the air conditioner power consumption according to the operation parameter is specifically:
pre-storing a data table comprising preset operation parameters and power utilization standard values under the preset operation parameters;
and taking the electricity utilization standard value under the preset operation parameter closest to the operation parameter in the data table as the electricity utilization standard value of the air conditioner.
5. The determination method according to claim 4, wherein the determining the reference electricity consumption of the air conditioner according to the electricity consumption standard value specifically comprises:
and multiplying the electricity utilization standard value under the closest preset operation parameter by a first coefficient to obtain the reference electricity consumption.
6. The method for determining the normal operation state of the air conditioner according to claim 1, 2 or 3, wherein the method for determining the normal operation state of the air conditioner within the preset time comprises the following steps:
recording the running state of the air conditioner within the preset time;
and reading the running state, and determining that the running state of the air conditioner is normal within the preset time when no abnormal record exists in the running state.
7. An air conditioning electric control method characterized by comprising:
acquiring the electricity consumption and reference electricity consumption of the air conditioner;
when the used amount is greater than the reference used amount, performing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
controlling the air conditioner to operate at a reduced power;
wherein the reference used amount is determined in accordance with a standard value of electricity usage determined by the determination method according to any one of claims 1 to 6.
8. An air conditioning electric control method characterized by comprising:
acquiring the operating parameters of the air conditioner and the electricity consumption in the preset time;
determining a power utilization standard value of the air conditioner according to the operation parameters, and determining reference power consumption of the air conditioner according to the power utilization standard value;
when the electricity consumption is larger than the reference electricity consumption and the change of the operation parameters in the preset time is larger than a parameter change threshold value, acquiring a corrected reference electricity consumption;
when the used amount is larger than the corrected reference used amount, performing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
controlling the air conditioner to operate at a reduced power;
the electricity consumption standard value is determined by the determination method according to any one of claims 1 to 6.
9. The control method according to claim 8, characterized by further comprising:
when the electricity consumption is larger than the reference electricity consumption and the change of the operation parameter is smaller than or equal to the parameter change threshold value in the preset time, executing at least one of the following steps:
an abnormal electricity consumption alarm is sent out, or,
and controlling the air conditioner to operate at reduced power.
10. The control method according to claim 8, wherein when the change of the operation parameter within the preset time is larger than a parameter change threshold, acquiring a modified reference power consumption comprises:
when the change of the operation parameters is larger than a parameter change threshold value within the preset time, dividing the operation parameters into at least 2 groups of sub-operation parameters according to a change rule;
acquiring a power utilization standard value under each group of sub-operation parameters according to each group of sub-operation parameters;
acquiring the operation duration of each group of the sub-operation parameters;
and determining the corrected reference power consumption according to the operation duration of each group of sub-operation parameters and the power consumption standard value under the sub-operation parameters.
11. The control method according to claim 10, wherein the determining the corrected reference power consumption according to the operation duration of each set of the sub-operation parameters and the power consumption standard value under the sub-operation parameter includes:
determining a weighted average value of the electricity utilization standard values under each group of the sub-operation parameters according to the operation duration of each group of the sub-operation parameters; and determining the corrected reference electricity consumption according to the weighted average value.
12. The control method according to claim 11, wherein the determining the modified reference power consumption from the weighted average is in particular:
and multiplying the weighted average value by a second coefficient to obtain the corrected reference electricity consumption.
13. The electric control device for the air conditioner is characterized by comprising a memory and a controller, wherein the memory is used for storing a data table, and the data table comprises preset operation parameters and power utilization standard values under the preset operation parameters;
the controller obtains the electricity standard value by querying the data table and is used for executing the control method according to any one of claims 7 to 12.
14. An air conditioner, comprising: an indoor unit, an outdoor unit, and an air conditioning control unit according to claim 13; the indoor unit is in communication connection with the outdoor unit, and the outdoor unit is in communication connection with the air conditioning electric control device.
15. A computer device, comprising:
at least one processor for executing a program code for the at least one processor,
at least one memory for storing at least one program;
when executed by the at least one processor, cause the at least one processor to implement the method of any one of claims 1-12.
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