CN110779144B - Variable frequency air conditioner control method and device and variable frequency air conditioner - Google Patents
Variable frequency air conditioner control method and device and variable frequency air conditioner Download PDFInfo
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—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
- F24F11/62—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
- F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump 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
- 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
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
-
- 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
- F24F2110/12—Temperature of the outside air
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Abstract
The invention relates to a control method and a control device for a variable frequency air conditioner and the variable frequency air conditioner, wherein the method comprises the following steps: acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner; determining the initial adjustment frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user; and calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature so as to correct the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature. According to the technical scheme provided by the invention, on the basis of regulating the indoor temperature to the temperature set by the user, the initial regulation frequency of the compressor is corrected by calculating the change rate of the current indoor temperature and the outdoor temperature to regulate the indoor temperature to the temperature change range set by the user, so that the variable frequency control of the variable frequency air conditioner not only considers the temperature set by the user, but also considers the change condition of the indoor temperature and the outdoor temperature, the control is more refined, the requirements of the user are better met, the better comfort regulation effect is achieved, and the user experience degree is good and the satisfaction degree is high.
Description
Technical Field
The invention relates to the technical field of air conditioners, in particular to a control method and device of a variable frequency air conditioner and the variable frequency air conditioner.
Background
The frequency control is carried out on the variable-frequency air conditioner/unit through a compressor frequency converter/variable-frequency driving module, and the output refrigerating capacity is controlled by adjusting the running frequency of the compressor to adjust the load, so that the purpose of temperature adjustment is achieved.
Compared with a fixed-frequency air conditioner, the variable-frequency air conditioner is more energy-saving and environment-friendly in stepless regulation, and meanwhile, the temperature in the regulated space can be basically constant. However, the existing inverter air conditioner load control technology only mechanically adjusts the indoor temperature to the set temperature of the user (when the indoor temperature is reduced to the set temperature, the frequency is maintained, when the indoor temperature is higher than the set temperature, the frequency is increased, and when the indoor temperature is lower than the set temperature, the frequency is decreased). The control method ignores the influence of factors such as outdoor environment temperature change, human body surface heat dissipation in the regulated space and the like, so that the comfort of a user is greatly reduced.
Disclosure of Invention
In view of the above, the present invention provides a method and an apparatus for controlling an inverter air conditioner, and an inverter air conditioner, so as to solve the problem that in the prior art, the comfort of a user is greatly reduced due to the fact that the method for controlling an inverter air conditioner ignores the influence of factors such as outdoor environment temperature change and human body surface heat dissipation in a conditioned space.
According to a first aspect of the embodiments of the present invention, there is provided a method for controlling an inverter air conditioner, including:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
determining the initial adjustment frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user;
and calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature so as to correct the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature.
Preferably, before the correcting the initial tuning frequency, the method further includes:
and maintaining the compressor to operate at the initial adjustment frequency for a preset time.
Preferably, when the indoor temperature is adjusted to the temperature variation range set by the user, the determining the initial adjustment frequency of the compressor includes:
calculating the difference value between the indoor temperature and the temperature set by the user;
and adjusting the frequency of the compressor according to the difference until the difference reaches a preset variation range, and taking the frequency of the compressor at the moment as the initial adjustment frequency of the compressor.
Preferably, the method further comprises:
and acquiring the change rate of different indoor temperatures and the correction coefficient of the frequency of the compressor under the change rate of different outdoor temperatures, and storing the correction coefficient in a correction coefficient table.
Preferably, the correcting the initial frequency of the compressor includes:
matching the current indoor temperature change rate, the outdoor temperature change rate and the corresponding correction coefficient from a prestored correction coefficient table;
and correcting the primary modulation frequency according to the correction coefficient.
Preferably, the correcting the preliminary tuning frequency according to the correction coefficient includes:
multiplying the correction coefficient by the initial modulation frequency to obtain a target frequency;
adjusting the frequency of the current compressor to the target frequency.
Preferably, the acquiring of the indoor temperature and the outdoor temperature of the inverter air conditioner includes:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner through the temperature sensing bulb;
the temperature sensing packages are arranged in the indoor unit and the outdoor unit of the variable frequency air conditioner.
Preferably, the calculating a rate of change of the current indoor temperature and a rate of change of the outdoor temperature includes:
calculating the variation of the indoor temperature and the variation of the outdoor temperature every preset time;
and respectively calculating the variation of the indoor temperature and the ratio of the variation of the outdoor temperature to the preset time to obtain the variation rate of the current indoor temperature and the variation rate of the outdoor temperature.
According to a second aspect of the embodiments of the present invention, there is provided an inverter air conditioner control device, including:
the acquisition module is used for acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
the determining module is used for determining the initial adjusting frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user;
and the correction module is used for calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature so as to correct the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature.
According to a third aspect of the embodiments of the present invention, there is provided an inverter air conditioner including:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
determining the initial adjustment frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user; and calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature so as to correct the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature.
The technical scheme provided by the embodiment of the invention can have the following beneficial effects:
on the basis of adjusting the indoor temperature to the user-set temperature, through calculating the change rate of the current indoor temperature, and, the change rate of the outdoor temperature, when the change rate of the indoor temperature is corrected to the user-set temperature change range, the initial adjustment frequency of the compressor, thereby not only considering the user-set temperature but also considering the change condition of the indoor and outdoor temperatures for the frequency conversion control of the variable frequency air conditioner, the control is more refined, the user requirements are more fitted, the better comfort regulation effect is achieved, the user experience is good, and the satisfaction is high.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a flow chart illustrating a method for controlling an inverter air conditioner according to an exemplary embodiment;
fig. 2 is a schematic block diagram illustrating an inverter air conditioner control device according to an exemplary embodiment.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present invention. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the invention, as detailed in the appended claims.
Fig. 1 is a flowchart illustrating a control method of an inverter air conditioner according to an exemplary embodiment, as shown in fig. 1, the method including:
step S11, acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
step S12, determining the initial adjusting frequency of the compressor when the indoor temperature is adjusted to the temperature change range set by the user;
and step S13, calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature, and correcting the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature.
It should be noted that the technical solution provided in this embodiment is applicable to a variable frequency air conditioner.
Preferably, the acquiring of the indoor temperature and the outdoor temperature of the inverter air conditioner includes:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner through the temperature sensing bulb;
the temperature sensing packages are arranged in the indoor unit and the outdoor unit of the variable frequency air conditioner.
It can be understood that, the technical scheme that this embodiment provided, on the basis with indoor temperature regulation to user's settlement temperature, through calculating the rate of change of current indoor temperature, and, the rate of change of outdoor temperature, when revising indoor temperature regulation to user's settlement temperature variation within range, the primary frequency of adjusting of compressor, thereby will make inverter air conditioner's frequency conversion control not only consider the user to set for the temperature, indoor outer temperature variation condition has still been taken into account, make control more meticulous, more laminate the user demand, reach better travelling comfort regulating effect, user experience is good, the satisfaction is high.
In order to better understand how the technical scheme provided by this embodiment effectively improves the comfort experience of the inverter air conditioner, the following examples are illustrated:
for example: when sleeping at night, the activities of indoor people are reduced, the heat generated by the human body is reduced, and people often feel that the air conditioner is cooled in the middle of the night. When the change rate of the indoor temperature is detected to be reduced (because the heat emitted by the human body to the environment is reduced, namely the heat source is reduced, the change rate of the indoor temperature is reduced), the refrigerating capacity of the air conditioner is properly reduced by correcting the frequency of the compressor, and a better comfort effect is achieved.
For another example: when the open air begins to rain, the outdoor temperature drops, and the heat that is given off by modes such as outdoor to indoor heat transfer, heat radiation reduces, detects the rate of change grow of outdoor temperature this moment, in time reduces the air conditioner refrigeration volume through revising compressor frequency, reaches better travelling comfort effect.
Preferably, before the correcting the initial tuning frequency, the method further includes:
and maintaining the compressor to operate at the initial adjustment frequency for a preset time.
It should be noted that the preset time period is set according to a historical experience value or experimental data.
Preferably, the preset time length T is more than or equal to 0 and less than or equal to 20 min.
It can be understood that before the initial adjustment frequency is corrected, the compressor is maintained to operate at the initial adjustment frequency for a preset time, so that the frequency correction can be performed after the compressor operates stably, and the stable operation of the variable frequency air conditioner is ensured.
Preferably, when the indoor temperature is adjusted to the temperature variation range set by the user, the determining the initial adjustment frequency of the compressor includes:
calculating the difference value between the indoor temperature and the temperature set by the user;
and adjusting the frequency of the compressor according to the difference until the difference reaches a preset variation range, and taking the frequency of the compressor at the moment as the initial adjustment frequency of the compressor.
Note that, the preset variation range △ t0Setting according to historical experience values or experimental data, preferably △ t0Is not less than △ t at-3 DEG C0≤3℃。
Preferably, the method further comprises:
and acquiring the change rate of different indoor temperatures and the correction coefficient of the frequency of the compressor under the change rate of different outdoor temperatures, and storing the correction coefficient in a correction coefficient table.
Preferably, the correcting the initial frequency of the compressor includes:
matching the current indoor temperature change rate, the outdoor temperature change rate and the corresponding correction coefficient from a prestored correction coefficient table;
and correcting the primary modulation frequency according to the correction coefficient.
It should be noted that, the correction coefficients of the frequency of the compressor at different indoor temperature change rates and different outdoor temperature change rates are determined according to historical empirical values (see the correction coefficient table shown in the following table, in the table, P represents the correction coefficient;. delta. t1 represents the change temperature difference of the indoor temperature per minute, i.e. the change rate of the indoor temperature; and. delta. t2 represents the change temperature difference of the outdoor temperature per minute, i.e. the change rate of the outdoor temperature), and are manually inputted and stored in the database.
| 1℃＜△t1≤3℃ | -1℃≤△t1≤1℃ | -3℃＜△t1＜-1℃ | |
| 1℃＜△t2≤3℃ | P＝1.10 | P＝1.05 | P＝1.00 |
| -1℃≤△t2≤1℃ | P＝1.05 | P＝1.00 | P＝0.95 |
| -3℃＜△t2＜-1℃ | P＝1.00 | P＝0.95 | P＝0.90 |
| △t2≤-3℃ | P＝0.90 | P＝0.90 | P＝0.85 |
Watch 1
Preferably, the correcting the preliminary tuning frequency according to the correction coefficient includes:
multiplying the correction coefficient by the initial modulation frequency to obtain a target frequency;
adjusting the frequency of the current compressor to the target frequency.
It can be understood that the technical scheme provided by the embodiment is simple to operate and easy to deploy and implement, and on the basis of detecting the indoor temperature and the outdoor temperature, the multiple adjustment of the indoor/outdoor temperature change rate factor is increased, and the frequency of the compressor is corrected, so that a user can achieve better comfort experience.
Preferably, the calculating a rate of change of the current indoor temperature and a rate of change of the outdoor temperature includes:
calculating the variation of the indoor temperature and the variation of the outdoor temperature every preset time;
and respectively calculating the variation of the indoor temperature and the ratio of the variation of the outdoor temperature to the preset time to obtain the variation rate of the current indoor temperature and the variation rate of the outdoor temperature.
It should be noted that the preset time period is set according to the user requirement, for example, set to 1 minute, so that the variation of the indoor temperature calculated every one minute is the variation rate of the indoor temperature, and the variation of the outdoor temperature calculated every one minute is the variation rate of the outdoor temperature.
Fig. 2 is a schematic block diagram illustrating an inverter air conditioner control apparatus 100 according to an exemplary embodiment, where, as shown in fig. 2, the apparatus 100 includes:
the acquisition module 101 is used for acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
the determining module 102 is configured to determine an initial tuning frequency of the compressor when the indoor temperature is adjusted to a temperature change range set by a user;
and the correcting module 103 is configured to calculate a change rate of the current indoor temperature and a change rate of the outdoor temperature, and correct the preliminary adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature.
It should be noted that the technical solution provided in this embodiment is applicable to a variable frequency air conditioner.
Preferably, the acquiring of the indoor temperature and the outdoor temperature of the inverter air conditioner includes:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner through the temperature sensing bulb;
the temperature sensing packages are arranged in the indoor unit and the outdoor unit of the variable frequency air conditioner.
It can be understood that, the technical scheme that this embodiment provided, on the basis with indoor temperature regulation to user's settlement temperature, through calculating the rate of change of current indoor temperature, and, the rate of change of outdoor temperature, when revising indoor temperature regulation to user's settlement temperature variation within range, the primary frequency of adjusting of compressor, thereby will make inverter air conditioner's frequency conversion control not only consider the user to set for the temperature, indoor outer temperature variation condition has still been taken into account, make control more meticulous, more laminate the user demand, reach better travelling comfort regulating effect, user experience is good, the satisfaction is high.
An inverter air conditioner according to an exemplary embodiment of the present invention includes:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
determining the initial adjustment frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user; and calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature so as to correct the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature.
It can be understood that, the technical scheme that this embodiment provided, on the basis with indoor temperature regulation to user's settlement temperature, through calculating the rate of change of current indoor temperature, and, the rate of change of outdoor temperature, when revising indoor temperature regulation to user's settlement temperature variation within range, the primary frequency of adjusting of compressor, thereby will make inverter air conditioner's frequency conversion control not only consider the user to set for the temperature, indoor outer temperature variation condition has still been taken into account, make control more meticulous, more laminate the user demand, reach better travelling comfort regulating effect, user experience is good, the satisfaction is high.
It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments.
It should be noted that the terms "first," "second," and the like in the description of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Further, in the description of the present invention, the meaning of "a plurality" means at least two unless otherwise specified.
Any process or method descriptions in flow charts or otherwise described herein may be understood as representing modules, segments, or portions of code which include one or more executable instructions for implementing specific logical functions or steps of the process, and alternate implementations are included within the scope of the preferred embodiment of the present invention in which functions may be executed out of order from that shown or discussed, including substantially concurrently or in reverse order, depending on the functionality involved, as would be understood by those reasonably skilled in the art of the present invention.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
It will be understood by those skilled in the art that all or part of the steps carried by the method for implementing the above embodiments may be implemented by hardware related to instructions of a program, which may be stored in a computer readable storage medium, and when the program is executed, the program includes one or a combination of the steps of the method embodiments.
In addition, functional units in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated module can be realized in a hardware mode, and can also be realized in a software functional module mode. The integrated module, if implemented in the form of a software functional module and sold or used as a stand-alone product, may also be stored in a computer readable storage medium.
The storage medium mentioned above may be a read-only memory, a magnetic or optical disk, etc.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (8)
1. A control method of a variable frequency air conditioner is characterized by comprising the following steps:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
determining the initial adjustment frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user;
calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature, and correcting the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature;
further comprising:
acquiring the change rates of different indoor temperatures and the correction coefficients of the frequency of the compressor under the change rates of different outdoor temperatures, and storing the correction coefficients in a correction coefficient table;
the correcting the initial frequency of the compressor comprises:
matching the current indoor temperature change rate, the outdoor temperature change rate and the corresponding correction coefficient from a prestored correction coefficient table;
and correcting the primary modulation frequency according to the correction coefficient.
2. The method of claim 1, wherein before said modifying said initial tuning frequency, further comprising:
and maintaining the compressor to operate at the initial adjustment frequency for a preset time.
3. The method of claim 1, wherein determining the initial tuning frequency of the compressor when the indoor temperature is adjusted to be within the user-set temperature variation range comprises:
calculating the difference value between the indoor temperature and the temperature set by the user;
and adjusting the frequency of the compressor according to the difference until the difference reaches a preset variation range, and taking the frequency of the compressor at the moment as the initial adjustment frequency of the compressor.
4. The method of claim 1, wherein said modifying the initial tuning frequency according to the modification factor comprises:
multiplying the correction coefficient by the initial modulation frequency to obtain a target frequency;
adjusting the frequency of the current compressor to the target frequency.
5. The method of claim 1, wherein the obtaining of the indoor temperature and the outdoor temperature of the inverter air conditioner comprises:
acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner through the temperature sensing bulb;
the temperature sensing packages are arranged in the indoor unit and the outdoor unit of the variable frequency air conditioner.
6. The method of claim 1, wherein calculating a rate of change of the current indoor temperature and a rate of change of the outdoor temperature comprises:
calculating the variation of the indoor temperature and the variation of the outdoor temperature every preset time;
and respectively calculating the variation of the indoor temperature and the ratio of the variation of the outdoor temperature to the preset time to obtain the variation rate of the current indoor temperature and the variation rate of the outdoor temperature.
7. The utility model provides a variable frequency air conditioner controlling means which characterized in that includes:
the acquisition module is used for acquiring the indoor temperature and the outdoor temperature of the variable frequency air conditioner;
the determining module is used for determining the initial adjusting frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user;
the correction module is used for calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature so as to correct the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature;
the correction module is also used for acquiring the change rate of different indoor temperatures and the correction coefficient of the frequency of the compressor under the change rate of different outdoor temperatures, and storing the correction coefficient in a correction coefficient table;
the correcting the initial frequency of the compressor comprises:
matching the current indoor temperature change rate, the outdoor temperature change rate and the corresponding correction coefficient from a prestored correction coefficient table;
and correcting the primary modulation frequency according to the correction coefficient.
8. The utility model provides a variable frequency air conditioner which characterized in that includes:
a processor;
a memory for storing processor-executable instructions;
the processor is configured to:
determining the initial adjustment frequency of the compressor when the indoor temperature is adjusted to be within the temperature change range set by a user; calculating the change rate of the current indoor temperature and the change rate of the outdoor temperature, and correcting the initial adjustment frequency according to the change rate of the indoor temperature and the change rate of the outdoor temperature;
further comprising:
acquiring the change rates of different indoor temperatures and the correction coefficients of the frequency of the compressor under the change rates of different outdoor temperatures, and storing the correction coefficients in a correction coefficient table;
the correcting the initial frequency of the compressor comprises:
matching the current indoor temperature change rate, the outdoor temperature change rate and the corresponding correction coefficient from a prestored correction coefficient table;
and correcting the primary modulation frequency according to the correction coefficient.
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| CN111609520A (en) * | 2020-05-06 | 2020-09-01 | 青岛海尔空调电子有限公司 | Control method of variable frequency air conditioner |
| CN111716989B (en) * | 2020-05-29 | 2021-11-30 | 东风汽车集团有限公司 | Temperature compensation control method and system in automobile |
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