CN107940693B - air conditioner load regulation control method and device - Google Patents
air conditioner load regulation control method and device Download PDFInfo
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- CN107940693B CN107940693B CN201711125619.5A CN201711125619A CN107940693B CN 107940693 B CN107940693 B CN 107940693B CN 201711125619 A CN201711125619 A CN 201711125619A CN 107940693 B CN107940693 B CN 107940693B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
- F25B49/022—Compressor control arrangements
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Abstract
the application provides an air conditioner load regulation control method and device, wherein the method comprises the following steps: counting historical operating parameters of the air conditioning unit, wherein the operating parameters comprise the output load of a compressor; determining the predicted operation parameters of the air conditioning unit in a later time period at the current moment according to the historical operation parameters, wherein the predicted operation parameters comprise the predicted compressor output load and the predicted compressor frequency; acquiring current operating parameters of the air conditioning unit; and controlling the on-off or running state of the air conditioning unit according to the predicted running parameters and the current running parameters. The method has the advantages that the load of the air conditioner is predicted in advance, the unit is adjusted in advance, the load of the unit is adjusted stably, the temperature fluctuation of the air conditioner of a user is small, and the energy-saving effect of the operation of the whole machine is realized, so that the technical problems that the load of the air conditioner is adjusted in a large fluctuation mode and the load of the air conditioner is adjusted in a delayed mode in the existing method are solved.
Description
Technical Field
The invention relates to the technical field of air conditioner control, in particular to an air conditioner load adjustment control method and device.
Background
In the fields of subways and the like, the air conditioning load changes periodically and regularly. At present, in the subway field, energy conservation and installation space are considered, and an air conditioning scheme of adopting a water-cooling direct-expansion air conditioning unit to replace a water chilling unit and a combined cabinet gradually becomes mainstream.
The existing water-cooling direct expansion type air conditioning unit adjusts the air conditioning load mainly by detecting the indoor environment temperature, and the control mode has the problem that the response speed of the indoor temperature is slow due to the fact that the adjustment of a compressor is sluggish when the load is adjusted; moreover, because of the adjustment of hysteresis, the temperature fluctuation of the indoor environment is large, and the comfort of human body experience is poor; in addition, the condition that the whole machine is not energy-saving in operation can occur due to large adjustment fluctuation. In conclusion, the existing method has the problems of large fluctuation of air conditioner load adjustment and delayed air conditioner load adjustment.
In order to solve the above technical problems in the existing control methods, no effective solution has been proposed.
disclosure of Invention
The embodiment of the invention provides an air conditioner load adjustment control method and device, and aims to solve the problems that the existing method has large air conditioner load adjustment fluctuation and has air conditioner load adjustment delay.
The embodiment of the application provides an air conditioner load adjustment control method, which comprises the following steps: counting historical operating parameters of the air conditioning unit, wherein the operating parameters comprise the output load of a compressor; determining the predicted operation parameters of the air conditioning unit in a later time period at the current moment according to the historical operation parameters, wherein the predicted operation parameters comprise the predicted compressor output load and the predicted compressor frequency; acquiring current operating parameters of the air conditioning unit; and controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameter and the current operation parameter.
In one embodiment, the statistical method for the historical operating parameters of the air conditioning unit comprises the following steps: acquiring the operating parameters of the air conditioning unit in a set period, wherein the set period is a time period before the current moment; equally dividing the setting period into a plurality of different sub-time periods; and counting and storing the calculated average value of the operation parameters in different sub-time periods as the historical operation parameters.
In one embodiment, the set period is selected from one day, one week, one month, or one quarter; equally dividing the setting period into a plurality of different sub-periods comprises: the 24 hours per day will be divided equally into 48 of said sub-periods, in segments of each half hour.
in one embodiment, the step of determining the expected operation parameters of the air conditioning unit in the later time period from the current time according to the historical operation parameters includes: obtaining a statistical period, wherein the statistical period is selected from each working day, each non-working day, each same working day and each day; counting the average value of the historical operating parameters corresponding to a second time period in the counting period in the setting period, wherein the second time period and the first time period are the same time period; determining the average as the expected operating parameter.
in one embodiment, current operating parameters of the air conditioning unit are obtained; and controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameters and the current operation parameters, wherein the control and adjustment comprises the following steps: acquiring the current operation parameters, wherein the current operation parameters comprise the current indoor environment temperature, the set target indoor temperature and the current on-off state of the compressor; comparing the predicted compressor output load with the minimum compressor use load to obtain a first comparison result; comparing the current indoor environment temperature with the set target indoor temperature to obtain a second comparison result; and controlling the current running state of the compressor of the air conditioner according to the current starting and stopping state of the compressor, the first comparison result and the second comparison result.
in one embodiment, the current operation state includes turning on or off of the compressor, wherein controlling the current operation state of the compressor of the air conditioner according to the current on/off state of the compressor, the first comparison result, and the second comparison result includes: under the condition that the air conditioner is determined not to be started, if the predicted compressor output load is larger than the minimum compressor using load and the current indoor environment temperature is larger than the set target indoor temperature, controlling the compressor to be started; and under the condition that the air conditioner is determined to be started, if the output load of the predicted compressor is less than or equal to the minimum using load of the compressor and the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature deviation, controlling the compressor to be stopped.
in one embodiment, the current operating state includes a current frequency of the compressor, wherein the current operating state of the compressor of the air conditioner is controlled according to the current on-off state of the compressor, the first comparison result, and the second comparison result, and the method further includes: under the condition that the air conditioning unit is determined to be started, if the predicted compressor output load is larger than the minimum compressor using load or the current indoor environment temperature is larger than the difference between the set target indoor temperature and the standby temperature deviation, acquiring the current operation parameters, wherein the current operation parameters comprise the current indoor environment temperature and the current compressor load; comparing the current compressor load with the predicted compressor output load to obtain a third comparison result; comparing the current indoor environment temperature with a set target indoor temperature according to the third comparison result to obtain a fourth comparison result; and controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result.
In one embodiment, the controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result includes: under the condition that the current compressor load is larger than the predicted compressor output load, if the current indoor environment temperature is larger than the sum of the set target indoor temperature and the load regulation temperature deviation, increasing the current compressor frequency of the air conditioning unit; if the current indoor environment temperature is less than or equal to the sum of the deviation between the set target indoor temperature and the load adjusting temperature and is greater than the sum of the deviation between the set target indoor temperature and the standby temperature, maintaining the current compressor frequency of the air conditioning unit; if the current indoor environment temperature is less than or equal to the sum of the deviation between the set target indoor temperature and the standby temperature, reducing the current compressor frequency of the air conditioning unit; wherein the load regulation temperature deviation is greater than or equal to the standby temperature deviation.
In one embodiment, the controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result further includes: under the condition that the current compressor load is less than or equal to the predicted compressor output load, if the current indoor environment temperature is greater than the difference between the set target indoor temperature and the standby temperature deviation, increasing the current compressor frequency of the air conditioning unit; if the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature deviation, and the current indoor environment temperature is greater than the difference between the set target indoor temperature and the load regulation temperature deviation, maintaining the current compressor frequency of the air conditioning unit; if the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the load regulation temperature deviation, reducing the current compressor frequency of the air conditioning unit; wherein the load regulation temperature deviation is greater than or equal to the standby temperature deviation.
The application also provides an air conditioner load adjustment control device, includes: the statistical module is used for counting the historical operating parameters of the air conditioning unit, wherein the operating parameters comprise the output load of the compressor; the determining module is used for determining the predicted operation parameters of the air conditioning unit in a later time period at the current moment according to the historical operation parameters, and the predicted operation parameters comprise the predicted compressor output load and the predicted compressor frequency; the control module is used for acquiring the current operation parameters of the air conditioning unit; and controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameter and the current operation parameter.
in the embodiment, the historical operating parameters of the air conditioning unit are counted, the air conditioning load is predicted in advance, the predicted operating parameters at a later period of time at the current moment are predicted according to the historical operating parameters, and the unit is adjusted in advance according to the predicted operating parameters, so that the technical problems that the air conditioning load adjustment fluctuation is large and the air conditioning load adjustment is delayed in the conventional method are solved, the load adjustment of the unit is stable, the air conditioning temperature fluctuation of a user is small, and the energy-saving effect of the whole unit operation is realized.
drawings
the accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
Fig. 1 is a schematic flow chart of an air conditioner load adjustment control method according to an embodiment of the present invention;
FIG. 2 is a schematic flow diagram of an air conditioning load adjustment control method according to an alternative embodiment of the present invention;
Fig. 3 is a schematic structural composition diagram of an air conditioner emergency control device according to an embodiment of the invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
In consideration of the fact that the load regulation of the conventional air conditioning unit is mostly regulated by detecting the indoor temperature, the regulation of the compressor is sluggish and the response speed of the indoor temperature is slow during the specific load regulation of the air conditioner. After response adjustment, the indoor environment temperature fluctuation is large, the human experience adaptability is poor, and the whole machine is not energy-saving due to the large adjustment fluctuation. By combining the above analysis, the problem of large fluctuation of air conditioner load adjustment and delay of air conditioner load adjustment in the prior art exists.
Aiming at the root cause of the technical problems, the air conditioning load can be predicted in advance by counting the historical operating parameters of the air conditioning unit, the predicted operating parameters at the current moment and a later period of time are predicted according to the historical operating parameters, the unit is adjusted in advance according to the predicted operating parameters, and the load requirements of users are met, so that the technical problems that the air conditioning load adjustment fluctuation is large and the air conditioning load adjustment is delayed in the conventional method are solved, the load adjustment of the unit is stable, the air conditioning temperature fluctuation of the users is small, and the energy-saving effect of the whole machine operation is realized.
Based on the thought, the embodiment of the application provides an air conditioner load regulation control method. Specifically, fig. 1 shows a schematic flow chart of an air conditioning load adjustment control method according to an embodiment of the present invention. The air conditioner load adjustment control method specifically comprises the following steps.
s101: counting historical operating parameters of the air conditioning unit, wherein the operating parameters comprise the output load of a compressor;
in the present embodiment, the air conditioner may be specifically an air conditioner that is provided in a certain target area and cools the target area. Specifically, the target area may be a machine room in which electronic devices such as a computer, a processor, and a switch are disposed; correspondingly, the air conditioner can be a machine room air conditioner. Of course, it should be noted that the air conditioner may be a room air conditioner, but is not limited to the room air conditioner. In specific implementation, other corresponding environment areas can be selected as the target area according to specific conditions and specific requirements, and the air conditioner in the target area is used as the air conditioner.
in the present embodiment, the air conditioner is suitable for the subway field or other fields satisfying the following conditions: the air conditioning load changes periodically, and the change of the air conditioning load has certain regularity.
In this embodiment, the historical operating parameter is an air conditioner operating parameter of a period of time before the current time, and the historical operating parameter may be a load output load of the compressor, and may further include other air conditioner loads, or other historical operating parameters with regularity. The historical operating parameters may be operating loads of the compressor at different time periods of the air conditioning unit on the previous day/week/month.
in an embodiment, in step S101, the counting the historical operating parameters of the air conditioning unit may include the following steps:
S101A, acquiring the operation parameters of the air conditioning unit in the set period;
in the above embodiment, the setting period is a time period before the current time, the setting period may be selected from a day, a week, a month or a quarter, and the setting period may be preset or may be open to the user and set by the user.
S101B, equally dividing the setting period into a plurality of different sub-time periods;
In the above embodiment, equally dividing the setting period into a plurality of different sub-periods includes: the 24 hours per day is divided into 48 sub-periods in half an hour segments, and the specific division can be as shown in the following table 1:
TABLE 1
| paragraph 1 | 00:00～00:30 |
| Paragraph 2 | 00:30～01:00 |
| Paragraph 3 | 01:00～01:30 |
| … | … |
| Paragraph 47 | 23:00～23:30 |
| Paragraph 48 | 23:30～00:00 |
and S101C, counting and saving the calculated average value of the operation parameters in different sub time periods as historical operation parameters.
In the above embodiment, the average value may be calculated by the controller counting and holding the compressor load per time period per day.
Through the embodiment, the calculated average value of the historical operating parameters of different time periods can be obtained, and preparation is made for the follow-up prejudgment of the predicted operating parameters of the time period from the current time.
S102: determining the predicted operation parameters of the air conditioning unit in a later time period at the current moment according to the historical operation parameters, wherein the predicted operation parameters comprise the predicted compressor output load and the predicted compressor frequency;
In this embodiment, the prediction of the predicted operating parameters is premised on a statistical analysis of the operating parameters of the unit over a period of time prior to the unit. For example, the current future time period may be half an hour after the current future time period. For example, if the current time is 2:50, the current time is 3: 00-3: 30.
In an embodiment, a time period after the current time is a first time period, where the step S102 determines an expected operation parameter of the air conditioning unit in the time period after the current time according to the historical operation parameter, and includes the following steps:
S102A: obtaining a statistical period, wherein the statistical period is selected from each working day, each non-working day, each same working day and each day;
in this embodiment, the statistical period may be opened to the user and set by the user, or may be preset in the system and selected by the user.
S102B: counting the average value of the historical operating parameters corresponding to a second time period in the setting period, wherein the second time period and the first time period are the same time period;
S102C: the average is determined as the expected operating parameter.
in this embodiment, the setting manner of the statistical period may include, but is not limited to, the following:
1) and carrying out statistics according to the working day.
A. And counting the average parameters of the same time period of each working day in the setting period. And obtaining average data of the xx time periods of the current period. Such as: the compressor load average value of the 1 st time segment of the current cycle.
C. And statistically setting average parameters of the same time period of each non-working day in the statistical period. And obtaining average data of the xx time periods of the current period.
2) according to the same day (e.g., all wednesday).
And counting the average parameters of the same time period of each same working day in the setting period. And obtaining average data of the xx time periods of the current period.
3) Making statistics according to the set period every day
and counting the average parameters of the same time period of each day in the setting period. And obtaining the average data of the time periods xx of the current cycles.
The predicted compressor output load in the xx time period is the average compressor output load in the xx time period in the statistical setting period.
s103: acquiring current operating parameters of the air conditioning unit; and controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameters and the current operation parameters.
in an embodiment, in step S103, acquiring a current operating parameter of the air conditioning unit, and controlling and adjusting a current operating state of the air conditioning unit according to the predicted operating parameter and the current operating parameter, includes:
In one embodiment, the step S103 of controlling and adjusting the current operating state of the air conditioning unit according to the predicted operating parameter and the current operating parameter includes:
S103A: and acquiring current operation parameters, wherein the current operation parameters comprise the current indoor environment temperature, the set target indoor temperature and the current on-off state of the compressor.
S103B: comparing the predicted output load of the compressor with the minimum use load of the compressor to obtain a first comparison result;
S103C: comparing the current indoor environment temperature with the set target indoor temperature to obtain a second comparison result;
S103D: and controlling the current running state of the compressor of the air conditioner according to the current starting and stopping state of the compressor, the first comparison result and the second comparison result.
typical compressor minimum loads are > 10%.
In one embodiment, the current operation state includes the on or off of a compressor, wherein the current operation state of the compressor of the air conditioner is controlled according to the current on/off state of the compressor, the first comparison result and the second comparison result, and the method includes: under the condition that the air conditioner is determined not to be started, if the output load of the compressor is estimated to be larger than the minimum using load of the compressor and the current indoor environment temperature is larger than the set target indoor temperature, controlling the compressor to be started; and under the condition that the air conditioner is determined to be started, if the output load of the compressor is predicted to be less than or equal to the minimum using load of the compressor, and the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature, controlling the compressor to be closed.
through the embodiment, the air conditioner can be controlled to be automatically opened or closed.
The current operation state in the above embodiment further includes a current compressor frequency, and the step S103 of controlling the current operation state of the compressor of the air conditioner according to the current on/off state of the compressor, the first comparison result, and the second comparison result may further include:
S103A: under the condition that the air conditioning unit is determined to be started, if the output load of the compressor is estimated to be larger than the minimum using load of the compressor, or the current indoor environment temperature is larger than the difference between the set target indoor temperature and the standby temperature deviation, obtaining the current operation parameters;
In the present embodiment, the current operating parameters include the current indoor ambient temperature, the current compressor load, and the like.
S103B: comparing the current compressor load with the predicted compressor output load to obtain a third comparison result;
S103C: comparing the current indoor environment temperature with the set target indoor temperature according to the third comparison result to obtain a fourth comparison result;
S103D: and controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result.
1) in an alternative embodiment, S103D may include: in the event that the current compressor load is greater than the predicted compressor output load,
a. and if the current indoor environment temperature is greater than the sum of the deviation between the set target indoor temperature and the load regulation temperature, increasing the current compressor frequency of the air conditioning unit.
b. and if the current indoor environment temperature is less than or equal to the sum of the deviation between the set target indoor temperature and the load adjusting temperature and is greater than the sum of the deviation between the set target indoor temperature and the standby temperature, maintaining the current compressor frequency of the air conditioning unit.
c. and if the current indoor environment temperature is less than or equal to the sum of the deviation between the set target indoor temperature and the standby temperature, reducing the current compressor frequency of the air conditioning unit.
Wherein the load regulation temperature deviation is greater than or equal to the standby temperature deviation. The standby temperature deviation is typically 2 deg.C and the load regulation temperature deviation is typically 3 deg.C.
in another embodiment, in step S103D, controlling and adjusting the frequency of the compressor of the air conditioning unit according to the third comparison result and the fourth comparison result may further include:
2) In the event that the current compressor load is less than or equal to the predicted compressor output load,
a. And if the current indoor environment temperature is greater than the difference between the set target indoor temperature and the standby temperature, increasing the current compressor frequency of the air conditioning unit.
b. if the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature deviation, and the current indoor environment temperature is greater than the difference between the set target indoor temperature and the load regulation temperature deviation, maintaining the current compressor frequency of the air conditioning unit; wherein the load regulation temperature deviation is greater than or equal to the standby temperature deviation.
c. And if the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the load adjusting temperature deviation, reducing the current compressor frequency of the air conditioning unit.
The following describes the process of the compressor load adjustment with reference to the flow chart of the air conditioner load adjustment control method according to an alternative embodiment of the present invention shown in fig. 2.
under the condition that the air conditioner is determined to be started, if the output load of the compressor is estimated to be larger than the minimum using load of the compressor or the current indoor environment temperature is larger than the difference between the set target indoor temperature and the standby temperature deviation, detecting and acquiring the current compressor load, and A: judging whether the current compressor load is larger than the predicted compressor output load in the period of time from the current moment,
if the judgment result of A is yes, B: judging whether the current indoor environment temperature is greater than a set target indoor temperature plus a load regulation temperature deviation;
if the judgment result of B is also yes, the frequency-adding regulation of the compressor is carried out;
if the judgment result of B is negative, C: judging whether the current indoor environment temperature is less than or equal to the set target indoor temperature + standby temperature deviation, and if the judgment result of C is yes, controlling the compressor to perform frequency reduction regulation; and if the judgment result of the C is negative, controlling the compressor to keep the current frequency.
if the judgment result of A is negative, D: judging whether the current indoor environment temperature is greater than a set target indoor temperature-standby temperature deviation or not;
if the judgment result of D is yes, performing frequency-adding regulation on the compressor;
If the judgment result of D is negative, E: judging whether the current indoor environment temperature is less than or equal to the set target indoor temperature-load regulation temperature deviation or not, and if the judgment result of E is yes, controlling the compressor to perform frequency reduction regulation; and if the judgment result of the E is negative, controlling the compressor to keep the current frequency.
the above-mentioned frequency is the current compressor frequency.
in the embodiment, the historical operating parameters of the air conditioning unit are counted, the air conditioning load is predicted in advance, the predicted operating parameters at a later period of time at the current moment are predicted according to the historical operating parameters, and the unit is adjusted in advance according to the predicted operating parameters, so that the technical problems that the air conditioning load adjustment fluctuation is large and the air conditioning load adjustment is delayed in the conventional method are solved, the load adjustment of the unit is stable, the air conditioning temperature fluctuation of a user is small, and the energy-saving effect of the whole unit operation is realized.
Based on the same inventive concept, the embodiment of the invention also provides an air conditioner emergency control device, as the following embodiment. Because the principle of the problem solved by the air conditioning load regulation control device is similar to that of the air conditioning load regulation control method, the implementation of the air conditioning load regulation control device can refer to the implementation of the air conditioning load regulation control method, and repeated parts are not described again.
The present application further provides an air conditioner load adjustment control device, specifically, referring to fig. 3, which is a schematic structural composition diagram of a load adjustment control device according to an embodiment of the present invention, the device includes: a statistic module 301, a determination module 302, and a control module 303, wherein:
the statistical module 301 is configured to count historical operating parameters of the air conditioning unit, where the operating parameters include an output load of a compressor;
a determining module 302, configured to determine, according to historical operating parameters, expected operating parameters of the air conditioning unit in a later time period at a current time, where the expected operating parameters include an expected compressor output load and an expected compressor frequency;
The control module 303 is used for acquiring current operating parameters of the air conditioning unit; and controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameters and the current operation parameters.
In the embodiment, the historical operating parameters of the air conditioning unit are counted, the air conditioning load is predicted in advance, the predicted operating parameters at a later period of time at the current moment are predicted according to the historical operating parameters, and the unit is adjusted in advance according to the predicted operating parameters, so that the technical problems that the air conditioning load adjustment fluctuation is large and the air conditioning load adjustment is delayed in the conventional method are solved, the load adjustment of the unit is stable, the air conditioning temperature fluctuation of a user is small, and the energy-saving effect of the whole unit operation is realized.
in another embodiment, a software is provided, which is used to execute the technical solutions described in the above embodiments and preferred embodiments.
In another embodiment, a storage medium is provided, in which the software is stored, and the storage medium includes but is not limited to: optical disks, floppy disks, hard disks, rewritable storage devices, etc.
It will be apparent to those skilled in the art that the modules or steps of the embodiments of the invention described above may be implemented by a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and alternatively, they may be implemented by program code executable by a computing device, such that they may be stored in a storage device and executed by a computing device, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into individual integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, embodiments of the invention are not limited to any specific combination of hardware and software.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and variations of the embodiment of the present invention may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. an air conditioner load adjustment control method is characterized by comprising the following steps:
counting historical operating parameters of the air conditioning unit, wherein the operating parameters comprise the output load of a compressor;
Determining the predicted operation parameters of the air conditioning unit in a later time period at the current moment according to the historical operation parameters, wherein the predicted operation parameters comprise the predicted compressor output load and the predicted compressor frequency;
acquiring current operating parameters of the air conditioning unit; controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameters and the current operation parameters;
acquiring current operation parameters of the air conditioning unit; and controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameters and the current operation parameters, wherein the control and adjustment comprises the following steps:
Acquiring the current operation parameters, wherein the current operation parameters comprise the current indoor environment temperature, the set target indoor temperature and the current on-off state of the compressor;
comparing the predicted compressor output load with the minimum compressor use load to obtain a first comparison result;
Comparing the current indoor environment temperature with the set target indoor temperature to obtain a second comparison result;
Controlling the current running state of the compressor of the air conditioner according to the current starting and stopping state of the compressor, the first comparison result and the second comparison result;
The current operation state comprises the opening or closing of the compressor, wherein the current operation state of the compressor of the air conditioner is controlled according to the current opening and closing state of the compressor, the first comparison result and the second comparison result, and the method comprises the following steps:
under the condition that the air conditioner is determined not to be started, if the predicted compressor output load is larger than the minimum compressor using load and the current indoor environment temperature is larger than the set target indoor temperature, controlling the compressor to be started;
And under the condition that the air conditioner is determined to be started, if the output load of the predicted compressor is less than or equal to the minimum using load of the compressor and the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature deviation, controlling the compressor to be stopped.
2. the method of claim 1, wherein the step of counting historical operating parameters of the air conditioning unit comprises the steps of:
Acquiring the operating parameters of the air conditioning unit in a set period, wherein the set period is a time period before the current moment;
equally dividing the setting period into a plurality of different sub-time periods;
and counting and storing the calculated average value of the operation parameters in different sub-time periods as the historical operation parameters.
3. the method of claim 2, wherein the set period is selected from a day, a week, a month, or a quarter; equally dividing the setting period into a plurality of different sub-periods comprises: the 24 hours per day will be divided equally into 48 of said sub-periods, in segments of each half hour.
4. the method of claim 2, wherein a time period after a current time is a first time period, wherein determining the expected operating parameters of the air conditioning unit in the time period after the current time according to the historical operating parameters comprises:
obtaining a statistical period, wherein the statistical period is selected from each working day, each non-working day, each same working day and each day;
counting the average value of the historical operating parameters corresponding to a second time period in the counting period in the setting period, wherein the second time period and the first time period are the same time period;
Determining the average as the expected operating parameter.
5. The method of claim 1, wherein the current operating state comprises a current compressor frequency, wherein the current operating state of the compressor of the air conditioner is controlled according to the current on/off state of the compressor, the first comparison result, and the second comparison result, and further comprising:
Under the condition that the air conditioning unit is determined to be started, if the predicted compressor output load is larger than the minimum compressor using load or the current indoor environment temperature is larger than the difference between the set target indoor temperature and the standby temperature deviation, acquiring the current operation parameters, wherein the current operation parameters comprise the current indoor environment temperature and the current compressor load;
Comparing the current compressor load with the predicted compressor output load to obtain a third comparison result;
Comparing the current indoor environment temperature with the set target indoor temperature according to the third comparison result to obtain a fourth comparison result;
And controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result.
6. The method of claim 5, wherein controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result comprises:
in the event that the current compressor load is greater than the projected compressor output load,
If the current indoor environment temperature is greater than the sum of the deviation between the set target indoor temperature and the load regulation temperature, increasing the current compressor frequency of the air conditioning unit;
If the current indoor environment temperature is less than or equal to the sum of the deviation between the set target indoor temperature and the load adjusting temperature and is greater than the sum of the deviation between the set target indoor temperature and the standby temperature, maintaining the current compressor frequency of the air conditioning unit;
If the current indoor environment temperature is less than or equal to the sum of the deviation between the set target indoor temperature and the standby temperature, reducing the current compressor frequency of the air conditioning unit;
Wherein the load regulation temperature deviation is greater than or equal to the standby temperature deviation.
7. the method of claim 5, wherein controlling and adjusting the current compressor frequency of the air conditioning unit according to the third comparison result and the fourth comparison result further comprises:
In the event that the current compressor load is less than or equal to the projected compressor output load,
If the current indoor environment temperature is larger than the difference between the set target indoor temperature and the standby temperature deviation, increasing the current compressor frequency of the air conditioning unit;
If the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature deviation, and the current indoor environment temperature is greater than the difference between the set target indoor temperature and the load regulation temperature deviation, maintaining the current compressor frequency of the air conditioning unit;
if the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the load adjusting temperature deviation, reducing the current compressor frequency of the air conditioning unit;
Wherein the load regulation temperature deviation is greater than or equal to the standby temperature deviation.
8. an air conditioning load adjustment control system, comprising:
the statistical module is used for counting the historical operating parameters of the air conditioning unit, wherein the operating parameters comprise the output load of the compressor;
The determining module is used for determining the predicted operation parameters of the air conditioning unit in a later time period at the current moment according to the historical operation parameters, and the predicted operation parameters comprise the predicted compressor output load and the predicted compressor frequency;
the control module is used for acquiring the current operation parameters of the air conditioning unit; controlling and adjusting the current operation state of the air conditioning unit according to the predicted operation parameters and the current operation parameters;
wherein the control module is specifically configured to:
acquiring the current operation parameters, wherein the current operation parameters comprise the current indoor environment temperature, the set target indoor temperature and the current on-off state of the compressor;
comparing the predicted compressor output load with the minimum compressor use load to obtain a first comparison result;
Comparing the current indoor environment temperature with the set target indoor temperature to obtain a second comparison result;
Controlling the current running state of the compressor of the air conditioner according to the current starting and stopping state of the compressor, the first comparison result and the second comparison result;
the current operation state comprises the opening or closing of the compressor, wherein the current operation state of the compressor of the air conditioner is controlled according to the current opening and closing state of the compressor, the first comparison result and the second comparison result, and the method comprises the following steps:
Under the condition that the air conditioner is determined not to be started, if the predicted compressor output load is larger than the minimum compressor using load and the current indoor environment temperature is larger than the set target indoor temperature, controlling the compressor to be started;
And under the condition that the air conditioner is determined to be started, if the output load of the predicted compressor is less than or equal to the minimum using load of the compressor and the current indoor environment temperature is less than or equal to the difference between the set target indoor temperature and the standby temperature deviation, controlling the compressor to be stopped.
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