CN112413807A - Method and device for temperature compensation control of variable frequency air conditioner and variable frequency air conditioner - Google Patents
Method and device for temperature compensation control of variable frequency air conditioner and variable frequency air conditioner Download PDFInfo
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- CN112413807A CN112413807A CN202011195628.3A CN202011195628A CN112413807A CN 112413807 A CN112413807 A CN 112413807A CN 202011195628 A CN202011195628 A CN 202011195628A CN 112413807 A CN112413807 A CN 112413807A
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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
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/56—Remote control
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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
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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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
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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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
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
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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
- F24F11/88—Electrical aspects, e.g. circuits
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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Abstract
The application relates to the technical field of intelligent air conditioners and discloses a method and a device for temperature compensation control of a variable frequency air conditioner and the variable frequency air conditioner. The method comprises the following steps: under the condition that the temperature compensation calibration monitoring of the variable frequency air conditioner is started, acquiring the current ambient temperature corresponding to the current refrigeration operation when the set time is reached, and determining the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring; under the condition that a first temperature difference between the current environment temperature and the target frequency reduction temperature is larger than a temperature compensation value, a second temperature difference between the first temperature difference and the temperature compensation value is saved; and under the condition that the current operation times reach the set times, adjusting the temperature compensation value according to the stored second temperature difference value, and storing the adjusted temperature compensation value. Thus, the energy efficiency ratio of the air conditioner is improved.
Description
Technical Field
The application relates to the technical field of intelligent air conditioners, in particular to a method and a device for temperature compensation control of a variable frequency air conditioner and the variable frequency air conditioner.
Background
Air conditioners have been widely used as a common intelligent device for adjusting the temperature and humidity of an indoor environment. The inverter air conditioner is a conventional air conditioner with an additional inverter, and the rotation speed of the compressor can be controlled and adjusted through the inverter, so that the compressor is always in the optimal rotation speed state, and the energy efficiency ratio is improved, therefore, the inverter air conditioner is increasingly widely applied.
Currently, in the operation process of the inverter air conditioner, if the temperature difference between the current ambient temperature and the target down-conversion temperature is less than or equal to the preset temperature compensation, Proportional-Integral-Derivative (PID) logic down-conversion control is performed, so that the compressor is in the optimal rotation speed state.
The air conditioner is used in a wide range of areas, and when the air conditioner is used in some overseas areas, the heat leakage at the top of a room is large, and after the air conditioner is operated for a period of time, for example: one or two hours, the temperature difference between the temperature of the lower part in the room and the target frequency reduction temperature is less than or equal to the preset temperature compensation, but the temperature detected by the sensor on the top air conditioner is very high, so that the air conditioner can not enter PID logic frequency reduction control all the time, the long-time high-frequency operation of the air conditioner is caused, the energy consumption of the air conditioner is high, and the service life of the compressor can be damaged.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for temperature compensation control of a variable frequency air conditioner and the variable frequency air conditioner, so as to solve the technical problem that the variable frequency air conditioner does not reduce frequency for a long time.
In some embodiments, the method comprises:
under the condition that the temperature compensation calibration monitoring of the variable frequency air conditioner is started, acquiring the current ambient temperature corresponding to the current refrigeration operation when the set time is reached, and determining the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring;
under the condition that a first temperature difference between the current environment temperature and the target frequency reduction temperature is larger than a temperature compensation value, a second temperature difference between the first temperature difference and the temperature compensation value is saved;
and under the condition that the current operation times reach the set times, adjusting the temperature compensation value according to the stored second temperature difference value, and storing the adjusted temperature compensation value.
In some embodiments, the apparatus comprises:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is configured to acquire the current ambient temperature corresponding to the current refrigeration operation when the current refrigeration operation reaches the set time under the condition that the temperature compensation calibration monitoring of the variable frequency air conditioner is started, and determine the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring;
a saving module configured to save a second temperature difference value between a first temperature difference value and a target down-conversion temperature if the first temperature difference value is greater than a temperature compensation value;
and the adjusting module is configured to adjust the temperature compensation value according to the stored second temperature difference value and store the adjusted temperature compensation value under the condition that the current operation times reach the set times.
In some embodiments, the apparatus for inverter air conditioner temperature compensation control includes a processor and a memory storing program instructions, and the processor is configured to execute the above-mentioned inverter air conditioner temperature compensation control method when executing the program instructions.
In some embodiments, the inverter air conditioner comprises the device for temperature compensation control of the inverter air conditioner.
The method and the device for controlling temperature compensation of the variable frequency air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
the variable frequency air conditioner can adjust the temperature compensation in the PID logic frequency reduction control according to the environment temperature of the area where the variable frequency air conditioner is located, and increase the temperature compensation in the refrigeration operation of the variable frequency air conditioner, so that the variable frequency air conditioner can enter the PID logic frequency reduction operation after operating for a period of time, thereby improving the probability that the compressor is in the optimal rotating speed state and further improving the energy efficiency ratio of the air conditioner.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
FIG. 1 is a schematic flow chart of a temperature compensation control method for an inverter air conditioner according to an embodiment of the present disclosure;
FIG. 2 is a schematic flow chart of a temperature compensation control method for an inverter air conditioner according to an embodiment of the present disclosure;
FIG. 3 is a schematic flow chart of a temperature compensation control method for an inverter air conditioner according to an embodiment of the present disclosure;
FIG. 4 is a schematic structural diagram of a temperature compensation control device for an inverter air conditioner according to an embodiment of the present disclosure;
FIG. 5 is a schematic structural diagram of a temperature compensation control device for an inverter air conditioner according to an embodiment of the present disclosure;
fig. 6 is a schematic structural diagram of a temperature compensation control device for an inverter air conditioner according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
After the variable frequency air conditioner operates for a period of time in a refrigerating mode, if the temperature difference between the ambient temperature and the target frequency reduction temperature is smaller than the temperature compensation, the variable frequency air conditioner can enter PID logic frequency reduction operation, and the compressor is enabled to be in the optimal rotating speed state. However, the heat preservation performance of the room where the air conditioner is located is poor, or the preset specific price of the target frequency reduction temperature is low, after the air conditioner is in refrigeration operation for a period of time, the temperature difference between the ambient temperature and the target frequency reduction temperature is always greater than the temperature compensation condition, and the PID logic frequency reduction operation cannot be performed. In the embodiment of the disclosure, the temperature compensation in the PID logic down-conversion control can be adjusted, and the temperature compensation in the PID logic down-conversion control can be adjusted according to the ambient temperature of the area where the inverter air conditioner is located, so as to increase the temperature compensation in the refrigeration operation of the inverter air conditioner, so that the inverter air conditioner can enter the PID logic down-conversion operation after operating for a period of time, thereby improving the probability that the compressor is in the optimal rotating speed state, and further improving the energy efficiency ratio of the air conditioner.
Fig. 1 is a schematic flow chart of a temperature compensation control method for an inverter air conditioner according to an embodiment of the present disclosure. As shown in fig. 1, the process for the temperature compensation control of the inverter air conditioner includes:
step 101: and under the condition that the temperature compensation calibration monitoring of the variable frequency air conditioner is started, acquiring the current ambient temperature corresponding to the current refrigeration operation when the set time is reached, and determining the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring.
Because the inverter air conditioner cannot enter the PID logic down-conversion operation after the operation setting time, in the embodiment of the present disclosure, the temperature compensation in the PID logic down-conversion control needs to be adjusted, that is, the temperature compensation calibration monitoring of the inverter air conditioner needs to be started, and the temperature compensation adjustment is performed according to the monitoring result. In some embodiments, the temperature compensation calibration monitoring of the inverter air conditioner is started when a preset temperature compensation calibration monitoring time is reached; or, starting the temperature compensation calibration monitoring of the variable frequency air conditioner under the condition of receiving a preset temperature compensation calibration instruction.
For example: the preset temperature compensation calibration monitoring time is month and day, so that once the month and day is reached every year, the temperature compensation calibration monitoring of the variable frequency air conditioner can be started. Or, when finding that the energy consumption of the inverter air conditioner is higher within a period of time, the user can also directly send a preset temperature compensation calibration instruction through the terminal device, so that the inverter air conditioner starts the temperature compensation calibration monitoring of the inverter air conditioner after receiving the preset temperature compensation calibration instruction.
After the temperature compensation calibration monitoring is started, the frequency of the refrigeration operation in the temperature compensation calibration monitoring is recorded every time the variable frequency air conditioner performs the refrigeration operation, and the corresponding ambient temperature when the refrigeration operation of the variable frequency air conditioner reaches the set time is required to be obtained every time. Wherein, the current refrigeration operation corresponds to the current operation times and the current environment temperature. For example: and acquiring the current ambient temperature corresponding to one hour of current refrigeration operation. After the temperature compensation calibration monitoring of the variable frequency air conditioner is started, the corresponding times of the refrigeration operation in the temperature compensation calibration monitoring are recorded every time the variable frequency air conditioner performs the refrigeration operation, so that if the current refrigeration operation of the variable frequency air conditioner is the fourth refrigeration operation after the temperature compensation calibration monitoring is started, the obtained current operation times are 4 times.
Step 102: and under the condition that a first temperature difference between the current environment temperature and the target frequency reduction temperature is greater than the temperature compensation value, saving a second temperature difference between the first temperature difference and the temperature compensation value.
The frequency conversion air conditioner carries out PID logic frequency reduction control on the compressor according to the target frequency reduction temperature and the temperature compensation value, and comprises the following steps: and under the condition that a first temperature difference value between the current environment temperature and the target frequency reduction temperature is smaller than or equal to a temperature compensation value, controlling the variable frequency air conditioner to perform PID logic frequency reduction operation.
The target down-conversion temperature may be preset, for example: 24 ℃, 25 ℃, or 26 ℃, and the like. Or, the target down-conversion temperature is determined according to the ambient temperature when the cooling operation of the inverter air conditioner is started, in some embodiments, the starting ambient temperature when the current cooling operation of the inverter air conditioner is started may be obtained, and the difference between the starting ambient temperature and the set value is determined as the target down-conversion temperature.
For example: the set value Δ T may be 5 ℃, 8 ℃, or 10 ℃, etc. When the refrigeration operation of the variable frequency air conditioner is started, the corresponding starting environment temperature Tf is obtained, and therefore the target frequency reduction temperature Ts is Tf-delta T. When the variable frequency air conditioner needs to perform PID logic frequency reduction control, the target frequency reduction temperature needs to be compensated, namely when the first temperature difference between the current environment temperature and the target frequency reduction temperature is smaller than or equal to the temperature compensation value, the PID logic frequency reduction operation can be performed. The temperature compensation Tg can be 1 deg.C, 2 deg.C, 3 deg.C, or 4 deg.C, etc. The set value delta T and the temperature compensation value Tg can be determined according to the performance of the variable frequency air conditioner.
After the current environment temperature is obtained, a first temperature difference between the current environment temperature and the target frequency reduction temperature can be compared with the temperature compensation value, and when the first temperature difference is larger than the temperature compensation value, the PID logic frequency reduction operation cannot be started, and a second temperature difference between the first temperature difference and the temperature compensation value needs to be stored. For example: if the current ambient temperature Tc and the target down-conversion temperature is Ts, the second temperature difference Δ t may be obtained as Tc- (Ts + Tg), and the second temperature difference Δ t is stored.
Of course, in some embodiments, in the case that the first temperature difference between the current ambient temperature and the target down-conversion temperature is less than or equal to the temperature compensation value, the inverter air conditioner is controlled to perform the PID logic down-conversion operation.
Step 103: and under the condition that the current operation times reach the set times, adjusting the temperature compensation value according to the stored second temperature difference value, and storing the adjusted temperature compensation value.
A set number of times can be configured in the temperature compensation monitoring of the variable frequency air conditioner, and under the condition that the current operation number of times reaches the set number of times, the temperature compensation value can be adjusted according to a corresponding second temperature difference value in each refrigeration operation.
In each refrigeration operation in the temperature compensation monitoring, a corresponding second temperature difference value is stored only when a first temperature difference value between the environment temperature Tc and the target frequency reduction temperature Ts when the operation reaches the set time is greater than the stored temperature compensation value Tg, and when the Tc-Ts is less than or equal to the Tg, the second temperature difference value does not need to be obtained, namely the corresponding second temperature difference value is not stored. In the embodiment of the disclosure, the temperature compensation value can be adjusted according to the stored second temperature difference value. Wherein, the temperature compensation value can be adjusted directly according to each saved second temperature difference value. Or when the stored second temperature difference values meet the set conditions, the temperature compensation value is adjusted according to each stored second temperature difference value.
Therefore, in some embodiments, adjusting the temperature compensation value according to the saved second temperature difference further comprises: acquiring a first time for storing the second temperature difference and a second time for not storing the second temperature difference in the set times; and under the condition that the first times is greater than the second times, adjusting the temperature compensation value according to the stored second temperature difference value.
The number of settings may be odd, for example: setting the number of times to be 9, if the corresponding Tc-Ts is greater than Tg in the refrigerating operation of temperature compensation calibration monitoring, the PID logic frequency reduction operation cannot be performed in the refrigerating operation of 5 times, so that 5 second temperature differences are obtained and stored, namely the first number of times of storing the second temperature differences is 5; and in 4 times of refrigerating operation, the corresponding Tc-Ts is less than or equal to Tg, the variable frequency air conditioner can perform PID logic frequency reduction operation, and a second temperature difference is not obtained, namely the second time without the second temperature difference is 4 times. 5>4, so that the temperature compensation value can be adjusted according to the saved second temperature difference value.
There are various ways to adjust the temperature compensation value according to the stored second temperature difference value, for example: and arranging the second temperature difference values according to the sizes, adding the maximum second temperature difference value or the minimum second temperature difference value with the temperature compensation value, and determining the obtained sum as the adjusted temperature compensation value. Or, in some embodiments, each of the stored second temperature difference values is added to obtain a corresponding temperature compensation average value; and determining the sum of the temperature compensation value and the temperature compensation average value as the adjusted temperature compensation value.
For example: the temperature compensation value is 3 ℃, the average temperature compensation value is 1.2 ℃, and the adjusted temperature compensation value is 4.2 ℃.
After the adjusted temperature compensation value is obtained, the adjusted temperature compensation value can be stored. Thus, the temperature compensation calibration monitoring is completed. After the temperature compensation calibration monitoring is completed, that is, after the adjusted temperature compensation value is saved, the method further comprises the following steps: and performing PID logic frequency reduction control on the variable frequency air conditioner according to the target frequency reduction temperature of the variable frequency air conditioner and the adjusted temperature compensation value. Therefore, after the temperature compensation calibration monitoring is completed, when the variable frequency air conditioner continues to perform refrigerating operation, if the difference value between the environment temperature during operation and the target frequency reduction temperature is less than or equal to the adjusted temperature compensation value, the PID logic frequency reduction operation can be performed.
Therefore, in the embodiment, the temperature compensation in the PID logic down-conversion control can be adjusted according to the ambient temperature of the area where the inverter air conditioner is located, and the temperature compensation in the refrigeration operation of the inverter air conditioner is increased, so that the inverter air conditioner can enter the PID logic down-conversion operation after operating for a period of time, thereby improving the probability that the compressor is in the optimal rotating speed state and further improving the energy efficiency ratio of the air conditioner.
The following operation flow is integrated into a specific embodiment to illustrate the temperature compensation control process for the inverter air conditioner provided by the embodiment of the invention.
In this embodiment, Δ T may be set to 8 ℃, Tg may be set to 3 ℃, the time may be set to 1 hour, and the number of times may be set to 7.
Fig. 2 is a schematic flow chart of a temperature compensation control method for an inverter air conditioner according to an embodiment of the present disclosure. Referring to fig. 2, the process for the temperature compensation control of the inverter air conditioner includes:
step 201: when the current refrigeration operation of the variable frequency air conditioner is started, the starting environment temperature Tf is obtained, and the target frequency reduction temperature Ts is determined according to the starting environment temperature Tf and a set value delta T.
When the variable frequency air conditioner starts in refrigerating operation every time, the starting environment temperature Tf can be obtained, and then the target frequency reduction temperature Ts is Tf-Delta T is Tf-8.
Step 202: is it determined whether temperature compensation calibration monitoring of the inverter air conditioner has been started? If yes, go to step 203, otherwise, this calibration monitoring is finished.
For example: the current date is 7 months and 3 days, and 7 months and 1 days at the preset temperature compensation calibration monitoring time are reached, so that the temperature compensation calibration monitoring can be determined to be started, the temperature compensation control can be carried out, and the step 203 is executed.
Step 203: determine whether the time of the current cooling operation reaches 1 hour? If yes, go to step 204, otherwise, go back to step 203.
Step 204: and acquiring the current environment temperature Tc, and determining the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring.
For example: after the temperature compensation calibration monitoring is carried out from 7 months and 1 day, the 4 th cooling operation is carried out, namely the current operation times are 4.
Step 205: determine whether a first temperature difference between the current ambient temperature Tc and the target down-conversion temperature Ts is greater than a temperature compensation value Tg? If so, go to step 206, otherwise, go to step 207.
Tc-Ts > Tg, step 206 may be performed, otherwise, step 207 may be performed.
Step 206: and determining the difference between the first temperature difference and the temperature compensation value as a second temperature difference and storing the second temperature difference. Proceed to step 208.
The second temperature difference Δ t ═ Tc- (Ts + Tg) ═ Tc-Tf + 5.
Step 207: and controlling the variable frequency air conditioner to perform PID logic down-conversion operation, and turning to step 208.
Step 208: determine if the current number of times equals the set number of times of 7? If yes, go to step 209, otherwise, go back to step 201.
Step 209: and in the set times, storing the first times of the second temperature difference and the second times of the second temperature difference which is not stored.
Step 210: is the first number greater than the second number? If yes, go to step 211, otherwise, this calibration monitoring is finished.
Step 211: adding each stored second temperature difference value to obtain a corresponding temperature compensation average value; and determining the sum of the temperature compensation value and the average temperature compensation value as the adjusted temperature compensation value and storing the adjusted temperature compensation value.
If the average temperature compensation value is 0.6, the adjusted temperature compensation value is 3+0.6 — 3.6 ℃.
Step 212: and performing PID logic frequency reduction control on the variable frequency air conditioner according to the target frequency reduction temperature of the variable frequency air conditioner and the adjusted temperature compensation value.
In the current refrigeration operation, the ambient temperature can be obtained in a timing or real-time manner, and the variable frequency air conditioner is controlled to perform PID logic frequency reduction operation under the condition that the difference value between the ambient temperature standard and the target frequency reduction temperature is smaller than or equal to the adjusted temperature compensation value.
Therefore, in the embodiment, the temperature compensation in the PID logic down-conversion control can be adjusted according to the ambient temperature of the area where the inverter air conditioner is located, and the temperature compensation in the refrigeration operation of the inverter air conditioner is increased, so that the inverter air conditioner can enter the PID logic down-conversion operation after operating for a period of time, thereby improving the probability that the compressor is in the optimal rotating speed state and further improving the energy efficiency ratio of the air conditioner.
In this embodiment, the temperature compensation value Tg may be 2 ℃, the setting time may be 40 minutes, and the setting number may be 9 times.
Fig. 3 is a schematic flow chart of a temperature compensation control method for an inverter air conditioner according to an embodiment of the present disclosure. Referring to fig. 3, the process for the temperature compensation control of the inverter air conditioner includes:
step 301: and when the current refrigeration operation of the variable frequency air conditioner is started, determining a target frequency reduction temperature Ts.
The target down-conversion temperature Ts may be preset or determined according to the start-up ambient temperature at the time of start-up.
Step 302: is the temperature compensation calibration monitoring of the inverter air conditioner enabled? If yes, go to step 303, otherwise, this temperature compensation monitoring is finished.
And when a preset temperature compensation calibration instruction is received, starting temperature compensation calibration monitoring of the variable frequency air conditioner, and executing step 303.
Step 303: and acquiring the current ambient temperature Tc when the current refrigeration operation reaches 40 minutes, and determining the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring.
Step 304: determine whether a first temperature difference between the current ambient temperature Tc and the target down-conversion temperature Ts is greater than a temperature compensation value Tg? If yes, go to step 305, otherwise, go to step 306.
Step 305: and determining the difference between the first temperature difference and the temperature compensation value as a second temperature difference and storing the second temperature difference. Proceed to step 307.
Step 306: and controlling the variable frequency air conditioner to perform PID logic frequency reduction operation, and going to step 307.
Step 307: determine if the current number of times is equal to the set number of times of 9? If yes, go to step 308, otherwise, go back to step 301.
Step 308: and determining the sum of the minimum second temperature difference value in each stored second temperature difference value and the temperature compensation value as the adjusted temperature compensation value and storing the adjusted temperature compensation value.
Step 309: and performing PID logic frequency reduction control on the variable frequency air conditioner according to the target frequency reduction temperature of the variable frequency air conditioner and the adjusted temperature compensation value.
Therefore, in this embodiment, as long as temperature compensation monitoring is performed, temperature compensation in PID logic down-conversion control can be adjusted according to the ambient temperature of the area where the inverter air conditioner is located, and temperature compensation in the refrigeration operation of the inverter air conditioner is increased, so that the inverter air conditioner can enter PID logic down-conversion operation after operating for a period of time, thereby further improving the probability that the compressor is in the optimal rotating speed state and further improving the energy efficiency ratio of the air conditioner.
According to the process for the temperature compensation control of the inverter air conditioner, a device for the temperature compensation control of the inverter air conditioner can be constructed.
Fig. 4 is a schematic structural diagram of a temperature compensation control device for an inverter air conditioner according to an embodiment of the present disclosure. As shown in fig. 4, the temperature compensation control device for the inverter air conditioner includes: an acquisition module 410, a saving module 420, and an adjustment module 430.
The obtaining module 410 is configured to, under the condition that the temperature compensation calibration monitoring of the inverter air conditioner is started, obtain a current ambient temperature corresponding to the current cooling operation when the set time is reached, and determine a current operation frequency corresponding to the current cooling operation in the temperature compensation calibration monitoring.
A saving module 420 configured to save a second temperature difference between the first temperature difference and the temperature compensation value in case that the first temperature difference between the current ambient temperature and the target down-conversion temperature is greater than the temperature compensation value.
And the adjusting module 430 is configured to adjust the temperature compensation value according to the stored second temperature difference value and store the adjusted temperature compensation value under the condition that the current operation times is determined to reach the set times.
In some embodiments, further comprising: the monitoring starting module is configured to start the temperature compensation calibration monitoring of the variable frequency air conditioner under the condition that a preset temperature compensation calibration monitoring moment is reached; or, starting the temperature compensation calibration monitoring of the variable frequency air conditioner under the condition of receiving a preset temperature compensation calibration instruction.
In some embodiments, further comprising: and the target temperature determination module is configured to acquire the starting environment temperature of the inverter air conditioner when the current refrigeration operation is started, and determine the difference value between the starting environment temperature and a set value as the target frequency reduction temperature.
In some embodiments, the adjusting module 430 is further configured to obtain a first number of times that the second temperature difference is saved and a second number of times that the second temperature difference is not saved, from the set number of times; and under the condition that the first times is greater than the second times, adjusting the temperature compensation value according to the stored second temperature difference value.
In some embodiments, the adjusting module 430 is specifically configured to add up each saved second temperature difference value and obtain a corresponding temperature compensation average value; and determining the sum of the temperature compensation value and the temperature compensation average value as the adjusted temperature compensation value.
In some embodiments, further comprising: and the first control module is configured to control the variable frequency air conditioner to perform proportional-integral-derivative PID logic down-conversion operation under the condition that the current loop temperature difference value is less than or equal to the temperature compensation value.
In some embodiments, further comprising: and the second control module is configured to perform PID logic frequency reduction control on the variable frequency air conditioner according to the target frequency reduction temperature of the variable frequency air conditioner and the adjusted temperature compensation value.
The inverter air conditioner temperature compensation control process applied to the apparatus for inverter air conditioner temperature compensation control in an air conditioner is described in detail below.
In this embodiment, Δ T may be set to 10 ℃, Tg may be set to 3 ℃, the time may be set to 1 hour, and the number of times may be set to 9 times.
Fig. 5 is a schematic structural diagram of a temperature compensation control device for an inverter air conditioner according to an embodiment of the present disclosure. As shown in fig. 5, the temperature compensation control device for the inverter air conditioner includes: an acquisition module 410, a saving module 420, an adjustment module 430, a monitoring start module 440, a target temperature determination module 450, a first control module 460, and a second control module 470.
When the monitoring starting module 440 receives a preset temperature compensation calibration instruction, the temperature compensation calibration monitoring of the inverter air conditioner is started. In this way, when the inverter air conditioner starts the cooling operation each time, the starting ambient temperature Tf is obtained, and thus, the target temperature determination module 450 determines the target down-conversion temperature Ts according to the starting ambient temperature Tf and the setting value Δ T.
Thus, when the current operation time of the current cooling operation of the inverter air conditioner reaches 1 hour, the obtaining module 410 may obtain the current ambient temperature Tc, and determine the current operation times of the current cooling operation in the temperature compensation calibration monitoring.
If the first temperature difference between the current ambient temperature Tc and the target down-conversion temperature Ts is greater than the stored temperature compensation value Tg, i.e. Tc-Ts > Tg, the storage module 420 stores the second temperature difference between the first temperature difference and the temperature compensation value. If Tc-Ts is less than or equal to Tg, the first control module 460 can control the inverter air conditioner to perform PID logic down-conversion operation.
If the current times is equal to the set times of 9 times and the first times of storing the second temperature difference values is greater than the second times of not storing the second temperature difference values in the set times, the adjusting module 430 may add each stored second temperature difference value to obtain a corresponding temperature compensation average value; and determining the sum of the temperature compensation value and the average temperature compensation value as the adjusted temperature compensation value and storing the adjusted temperature compensation value. Therefore, in the refrigeration operation process of the air conditioner, the ambient temperature is real-time or timed, so that the second control module 470 can perform the PID logic frequency reduction control on the variable frequency air conditioner according to the ambient temperature, the target frequency reduction temperature and the adjusted temperature compensation value. And under the condition that the difference value between the ambient temperature and the target frequency reduction temperature is less than or equal to the adjusted temperature compensation value, the variable frequency air conditioner can be controlled to perform PID logic frequency reduction operation.
Therefore, in this embodiment, the device for controlling temperature compensation of the inverter air conditioner can adjust the temperature compensation in the PID logic down-conversion control according to the ambient temperature of the area where the inverter air conditioner is located, and increase the temperature compensation in the refrigeration operation of the inverter air conditioner, so that the inverter air conditioner can enter the PID logic down-conversion operation after operating for a period of time, thereby improving the probability that the compressor is in the optimal rotating speed state and further improving the energy efficiency ratio of the air conditioner.
The embodiment of the present disclosure provides a device for temperature compensation control of an inverter air conditioner, the structure of which is shown in fig. 6, including:
a processor (processor)1000 and a memory (memory)1001, and may further include a Communication Interface (Communication Interface)1002 and a bus 1003. The processor 1000, the communication interface 1002, and the memory 1001 may communicate with each other through the bus 1003. Communication interface 1002 may be used for the transfer of information. The processor 1000 may call logic instructions in the memory 1001 to execute the method for temperature compensation control of the inverter air conditioner of the above embodiment.
In addition, the logic instructions in the memory 1001 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 1001 is a computer readable storage medium and can be used for storing software programs, computer executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 1000 executes functional applications and data processing by executing program instructions/modules stored in the memory 1001, that is, implements the method for temperature compensation control of the inverter air conditioner in the above method embodiment.
The memory 1001 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal air conditioner, and the like. Further, the memory 1001 may include a high-speed random access memory and may also include a nonvolatile memory.
The embodiment of the present disclosure provides a temperature compensation control device for a variable frequency air conditioner, including: the temperature compensation control system comprises a processor and a memory storing program instructions, wherein the processor is configured to execute a temperature compensation control method for the variable frequency air conditioner when executing the program instructions.
The embodiment of the disclosure provides a variable frequency air conditioner, which comprises the temperature compensation control device for the variable frequency air conditioner.
The embodiment of the disclosure provides a computer-readable storage medium, which stores computer-executable instructions configured to execute the temperature compensation control method for the inverter air conditioner.
The disclosed embodiments provide a computer program product comprising a computer program stored on a computer readable storage medium, the computer program comprising program instructions that, when executed by a computer, cause the computer to perform the above-described method for variable frequency air conditioner temperature compensation control.
The computer-readable storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The terminal device may be, for example, a mobile device, a computer, or a vehicle-mounted device built in a floating car, or any combination thereof. In some embodiments, the mobile device may include, for example, a cell phone, a smart home device, a wearable device, a smart mobile device, a virtual reality device, and the like, or any combination thereof.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions for enabling a computer air conditioner (which may be a personal computer, a server, or a network air conditioner, etc.) to execute all or part of the steps of the method of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. The scope of the disclosed embodiments includes the full ambit of the claims, as well as all available equivalents of the claims. As used in this application, although the terms "first," "second," etc. may be used in this application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, unless the meaning of the description changes, so long as all occurrences of the "first element" are renamed consistently and all occurrences of the "second element" are renamed consistently. The first and second elements are both elements, but may not be the same element. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or air conditioner that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, air conditioners, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
Claims (10)
1. A method for temperature compensation control of a variable frequency air conditioner is characterized by comprising the following steps:
under the condition that the temperature compensation calibration monitoring of the variable frequency air conditioner is started, acquiring the current ambient temperature corresponding to the current refrigeration operation when the set time is reached, and determining the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring;
under the condition that a first temperature difference between the current environment temperature and the target frequency reduction temperature is larger than a temperature compensation value, a second temperature difference between the first temperature difference and the temperature compensation value is saved;
and under the condition that the current operation times reach the set times, adjusting the temperature compensation value according to the stored second temperature difference value, and storing the adjusted temperature compensation value.
2. The method of claim 1, wherein the inverter air conditioner temperature compensation calibration monitoring being enabled comprises:
starting temperature compensation calibration monitoring of the variable frequency air conditioner under the condition that a preset temperature compensation calibration monitoring moment is reached; or the like, or, alternatively,
and starting the temperature compensation calibration monitoring of the variable frequency air conditioner under the condition of receiving a preset temperature compensation calibration instruction.
3. The method of claim 1, wherein the determining of the target down-conversion temperature comprises:
acquiring the starting environment temperature of the variable frequency air conditioner when the current refrigeration operation is started;
and determining the difference between the starting environment temperature and a set value as the target frequency reduction temperature.
4. The method of claim 1, wherein said adjusting the temperature compensation value based on the saved second temperature difference value further comprises:
acquiring a first time for storing the second temperature difference and a second time for not storing the second temperature difference in the set times;
and under the condition that the first times is greater than the second times, adjusting the temperature compensation value according to a stored second temperature difference value.
5. The method of claim 1 or 4, wherein said adjusting the temperature compensation value based on the saved second temperature difference value comprises:
adding each stored second temperature difference value to obtain a corresponding temperature compensation average value;
and determining the sum of the temperature compensation value and the temperature compensation average value as the adjusted temperature compensation value.
6. The method according to any one of claims 1-4, further comprising:
and controlling the variable frequency air conditioner to perform proportional-integral-derivative (PID) logic frequency reduction operation under the condition that the current loop temperature difference value is smaller than or equal to the temperature compensation value.
7. The method of any of claims 1-4, further comprising, after saving the adjusted temperature compensation value:
and performing PID logic frequency reduction control on the variable frequency air conditioner according to the target frequency reduction temperature of the variable frequency air conditioner and the adjusted temperature compensation value.
8. An apparatus for temperature compensation control of a variable frequency air conditioner, comprising:
the system comprises an acquisition module, a control module and a control module, wherein the acquisition module is configured to acquire the current ambient temperature corresponding to the current refrigeration operation when the current refrigeration operation reaches the set time under the condition that the temperature compensation calibration monitoring of the variable frequency air conditioner is started, and determine the current operation times of the current refrigeration operation in the temperature compensation calibration monitoring;
a saving module configured to save a second temperature difference value between a first temperature difference value and a target down-conversion temperature if the first temperature difference value is greater than a temperature compensation value;
and the adjusting module is configured to adjust the temperature compensation value according to the stored second temperature difference value and store the adjusted temperature compensation value under the condition that the current operation times reach the set times.
9. An apparatus for inverter air conditioner temperature compensation control, the apparatus comprising a processor and a memory storing program instructions, wherein the processor is configured to perform the method for inverter air conditioner temperature compensation control according to any one of claims 1 to 7 when executing the program instructions.
10. The utility model provides a variable frequency air conditioner which characterized in that includes: the apparatus for the temperature compensation control of the inverter air conditioner according to claim 8 or 9.
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