CN110274360B - Air conditioner control method and device, storage medium and air conditioner - Google Patents
Air conditioner control method and device, storage medium and air conditioner Download PDFInfo
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- CN110274360B CN110274360B CN201910536556.5A CN201910536556A CN110274360B CN 110274360 B CN110274360 B CN 110274360B CN 201910536556 A CN201910536556 A CN 201910536556A CN 110274360 B CN110274360 B CN 110274360B
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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
- F24F11/62—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
- F24F11/65—Electronic processing for selecting an operating mode
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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
Abstract
The invention provides an air conditioner control method, an air conditioner control device, a storage medium and an air conditioner, wherein the method comprises the following steps: judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times or not; and under the condition that the continuous effective operation times reach preset times, intermittently supplying power to an external unit of the air conditioner when the air conditioner is in a standby state. The scheme provided by the invention can realize the coexistence of the low-power consumption function and the chassis electric heating deicing function under the low-temperature working condition heating.
Description
Technical Field
The invention relates to the field of control, in particular to an air conditioner control method and device, a storage medium and an air conditioner.
Background
At present, in the air conditioner market with low power consumption requirements, in order to not affect the normal operation of the air conditioner, the power supply of an external unit is generally cut off to cut off the energy consumption from the external unit. However, cutting off the power supply to the external machine means that all loads on the external machine side will not be able to operate. For the areas with lower environmental temperature all the year round, the air conditioner which needs the electric heating of the chassis of the outer machine to melt ice can not work normally under the condition of disconnecting the power supply of the outer machine.
Because the low power consumption requires to cut off the power supply of the external machine, and the chassis electric heating belt can work only when the external machine is electrified, in the prior art, the low power consumption standby function and the chassis electric heating function can not coexist by cutting off the power supply of the external machine in the standby state, and the air conditioner in a cold region throughout the year has no low power consumption standby function and has higher standby power consumption.
Disclosure of Invention
The main purpose of the present invention is to overcome the above-mentioned drawbacks of the prior art, and to provide an air conditioner control method, device, storage medium and air conditioner, so as to solve the problem in the prior art that the low power consumption standby function and the chassis electric heating function cannot coexist by disconnecting the power supply of the external unit.
One aspect of the present invention provides an air conditioner control method, including: judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times or not; and under the condition that the continuous effective operation times reach preset times, intermittently supplying power to an external unit of the air conditioner when the air conditioner is in a standby state.
Optionally, the method further comprises: and under the condition that the continuous effective operation frequency does not reach the preset frequency, when the air conditioner is in a standby state, continuously supplying power to an external unit of the air conditioner.
Optionally, intermittently supplying power to an external unit of the air conditioner, includes: acquiring the outdoor environment temperature at the shutdown time before the standby of the air conditioner and/or the outdoor environment temperature when the standby of the air conditioner supplies power to the outdoor unit; setting and/or adjusting the power supply interval time for supplying power to the outdoor unit according to the outdoor environment temperature; and supplying power to the external unit for a preset power supply duration time every the power supply interval time.
Optionally, setting and/or adjusting a power supply interval time for supplying power to the outdoor unit according to the outdoor environment temperature includes: if the outdoor environment temperature is higher than a first preset temperature, setting the power supply interval time as a first interval time; if the outdoor environment temperature is greater than a second preset temperature and less than or equal to a first preset temperature, setting the power supply interval time as a second interval time; if the outdoor environment temperature is less than or equal to a second preset temperature, setting the power supply interval time as a third interval time; wherein the first preset temperature is greater than the second preset temperature; the first interval time is greater than the second interval time is greater than the third interval time.
Optionally, the method further comprises: if the outdoor environment temperature is less than or equal to a second preset temperature, setting a time ratio Kn for supplying power to the outdoor unit within the power supply interval time according to the outdoor environment temperature, wherein Kn belongs to (0, 1); supplying power to the external unit within the power supply interval time by Kn times of the power supply interval time; and/or if the outdoor environment temperature is less than or equal to a fourth preset temperature, continuously supplying power to the outdoor unit, wherein the fourth preset temperature is less than the second preset temperature.
Another aspect of the present invention provides an air conditioning control apparatus, including: the judging unit is used for judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times or not; and the control unit is used for intermittently supplying power to an external unit of the air conditioner when the air conditioner is in a standby state under the condition that the continuous effective operation times reach preset times.
Optionally, the control unit is further configured to: and under the condition that the continuous effective operation frequency does not reach the preset frequency, when the air conditioner is in a standby state, continuously supplying power to an external unit of the air conditioner.
Optionally, the control unit includes: the obtaining subunit is configured to obtain an outdoor environment temperature at a shutdown time before the standby of the air conditioner, and/or an outdoor environment temperature when the air conditioner is standby and supplies power to the external unit; the setting subunit is used for setting and/or adjusting the power supply interval time for supplying power to the outdoor unit according to the outdoor environment temperature; and the control subunit is used for supplying power to the external unit for a preset power supply duration time every the power supply interval time.
Optionally, the setting subunit sets and/or adjusts a power supply interval time for supplying power to the external unit according to the outdoor environment temperature, and includes: if the outdoor environment temperature is higher than a first preset temperature, setting the power supply interval time as a first interval time; if the outdoor environment temperature is greater than a second preset temperature and less than or equal to a first preset temperature, setting the power supply interval time as a second interval time; if the outdoor environment temperature is less than or equal to a second preset temperature, setting the power supply interval time as a third interval time; wherein the first preset temperature is greater than the second preset temperature; the first interval time is greater than the second interval time is greater than the third interval time.
Optionally, the setting subunit is further configured to: if the outdoor environment temperature is less than or equal to a second preset temperature, setting a time ratio Kn for supplying power to the outdoor unit within the power supply interval time according to the outdoor environment temperature, wherein Kn belongs to (0, 1); the control subunit is further configured to: supplying power to the external unit within the power supply interval time by Kn times of the power supply interval time; and/or the control subunit is further configured to: and if the outdoor environment temperature is less than or equal to a fourth preset temperature, continuously supplying power to the outdoor unit, wherein the fourth preset temperature is less than the second preset temperature.
A further aspect of the invention provides a storage medium having stored thereon a computer program which, when executed by a processor, carries out the steps of any of the methods described above.
Yet another aspect of the present invention provides an air conditioner comprising a processor, a memory, and a computer program stored on the memory and operable on the processor, wherein the processor implements the steps of any of the methods described above when executing the program.
In another aspect, the invention provides an air conditioner, which comprises the air conditioner control device.
According to the technical scheme of the invention, the external machine is powered in a time-sharing manner in the low-temperature heating mode, the electric heating and deicing function of the chassis is realized according to the outdoor ambient temperature or humidity under the condition that electricity is available on the external machine side, the coexistence of the low-power consumption function and the electric heating and deicing function of the chassis under the low-temperature working condition heating can be realized, the problem that the electric heating and deicing function of the chassis cannot be realized by a low-power consumption machine type is effectively solved, the energy consumption is reduced as much as possible, the reliability of the air conditioner is improved, and the air conditioner can be widely applied to the field of air conditioner.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic diagram of an embodiment of an air conditioner control method according to the present invention;
FIG. 2 is a schematic flow chart of an embodiment of controlling electrical heating of a chassis according to outdoor ambient temperature, according to the present invention;
fig. 3 is a flowchart illustrating a specific example of a step of intermittently supplying power to an external unit of the air conditioner according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an embodiment of a method for controlling an air conditioner according to the present invention;
FIG. 5 is a timing diagram illustrating logic control of an embodiment of an air conditioning control method according to the present invention;
FIG. 6 is a schematic structural diagram of an embodiment of an air conditioning control apparatus provided by the present invention;
fig. 7 is a schematic structural diagram of an embodiment of a control unit according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the specific embodiments of the present invention and the accompanying drawings. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention provides an air conditioner control method. The air conditioner control method includes: judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times or not; and under the condition that the continuous effective operation times reach the preset times, when the air conditioner is in a standby state in the heating mode, intermittently supplying power to an external unit of the air conditioner.
When the air conditioner is powered on for the first time, the outdoor unit is powered no matter in a standby state or a starting state, and specifically, the outdoor unit is powered by closing a main relay of an indoor unit controller. Since the environment of the outdoor unit side cannot be estimated before the air conditioner is powered on for the first time, whether the chassis is frozen and whether the thickness of the chassis is enough to influence the reliable operation of the air conditioner cannot be judged, in order to ensure the reliability of the air conditioner after the air conditioner is powered on for the first time, the power of the outdoor unit of the air conditioner must be ensured, and the chassis electric heating is turned on or off according to the temperature condition.
Fig. 2 is a flowchart illustrating an embodiment of controlling the electrical heating of the chassis according to the outdoor environment temperature according to the present invention.
As shown in fig. 2, when the air conditioner is powered on for the first time, the indoor unit closes the main relay to supply power to the outdoor unit, and the outdoor environment temperature T is judgedOuter ringWhether or not T is satisfiedOuter ring≤TIs openedWherein, TIs openedThe preset starting temperature for the electrical heating of the chassis can be, for example, -2 ℃, if T is satisfiedOuter ring≤TIs openedThe chassis is electrically heated and turned on if T is not satisfiedOuter ring≤TIs openedReturning to continue judging, and judging the outdoor environment temperature T after the chassis is electrically heated and startedOuter ringWhether or not T is satisfiedOuter ring＞TClose offWherein, TClose offThe preset chassis electrical heating off temperature may be, for example, 0 ℃ if T is satisfiedOuter ring＞TClose offThe chassis is electrically heated and closed if T is not satisfiedOuter ring＞TClose offThe chassis is electrically heated to maintain the original state.
Fig. 1 is a schematic method diagram of an embodiment of an air conditioner control method provided by the present invention.
As shown in fig. 1, according to an embodiment of the present invention, the air conditioner control method includes at least step S110 and step S120.
And step S110, judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times.
In order to avoid misoperation of a user for controlling the air conditioner through a remote controller, a wire controller, an APP and the like, the whole machine is required to be set in a heating mode, and the compressor is started and operated once, so that the compressor is started and shut down to be effectively operated. The user sets up the mode of heating many times in a period of time is continuous, can predict that indoor outer ambient temperature has the trend towards low temperature variation, and the chassis freezes easily under the standby state. Therefore, the change trend of the environment temperature can be pre-judged according to the continuous effective operation times of the heating mode set by a user, so that the power consumption mode for supplying power to the air conditioner outdoor unit is determined, wherein the standby lower part low power consumption mode is entered under the condition that the continuous effective operation times reach the preset times. And under the condition that the continuous effective operation frequency does not reach the preset frequency, entering a non-low power consumption mode under a standby state, and when the air conditioner is in a standby state, continuously supplying power to an outdoor unit of the air conditioner, namely, a main relay for supplying power to the outdoor unit by the indoor unit is not switched on. The preset number N may be N >3, for example.
And step S120, under the condition that the continuous effective operation times reach preset times, when the air conditioner is in a standby state, intermittently supplying power to an external unit of the air conditioner.
And when the outdoor unit is powered on, controlling whether the chassis electric heating of the air conditioner is turned on or off according to the outdoor environment temperature. Specifically, whether the chassis electric heating of the air conditioner is turned on or off can be controlled according to the control logic for controlling the chassis electric heating according to the outdoor ambient temperature shown in fig. 2.
Fig. 3 is a flowchart illustrating a procedure of intermittently supplying power to an external unit of the air conditioner according to an embodiment of the present invention. As shown in fig. 3, step S120 includes step S121, step S122, and step S123.
Step S121, obtaining an outdoor ambient temperature at a shutdown time before the standby of the air conditioner, and/or an outdoor ambient temperature when the air conditioner supplies power to the external unit while the standby is performed.
Specifically, before the air conditioner is turned off and enters a standby state, the outdoor environment temperature during the turning off is acquired, then the power supply interval time for supplying power to the external unit is set according to the outdoor environment temperature at the time when the air conditioner is turned off, and the power supply duration time is preset for supplying power to the external unit every other power supply interval time; when the air conditioner is in a standby state, when an external unit of the air conditioner is powered on (namely within the power supply duration), the outdoor environment temperature when the external unit is powered on is acquired, and then the power supply interval time for powering the external unit, which is set before, is adjusted according to the acquired outdoor environment temperature when the external unit is powered on.
And S122, setting and/or adjusting the power supply interval time for supplying power to the outdoor unit according to the outdoor environment temperature.
When the air conditioner is turned off and enters a standby state, setting power supply interval time for supplying power to the external unit according to the outdoor environment temperature at the time of turning off the air conditioner; when the air conditioner is in a standby state, the outdoor environment temperature is acquired within the power supply duration time for supplying power to the outdoor unit of the air conditioner, and the power supply interval time for supplying power to the outdoor unit, which is set before, is adjusted according to the acquired outdoor environment temperature. Specifically, different outdoor ambient temperatures correspond to different power supply intervals. In one embodiment, if the outdoor ambient temperature is greater than a first preset temperature, the power supply interval time is set to a first interval time; if the outdoor environment temperature is greater than a second preset temperature and less than or equal to a first preset temperature, setting the power supply interval time as a second interval time; and if the outdoor environment temperature is less than or equal to a second preset temperature, setting the power supply interval time as a third interval time. Wherein the first preset temperature is greater than the second preset temperature; the first interval time is greater than the second interval time is greater than the third interval time.
For example, the outdoor ambient temperature is TOutdoor ambient temperatureThe first preset temperature is TPreset temperature 1The second preset temperature is TPreset temperature 2The first preset temperature is TPreset temperature 1The temperature is 5 ℃; the second preset temperature can be specifically a preset chassis electric heating starting temperature, namely an outdoor environment temperature value at which chassis deicing is required. The second predetermined temperature is, for example, TPreset temperature 2The temperature is equal to 0 ℃; when T isOutdoor ambient temperature＞TPreset temperature 1When the chassis is not required to be iced at the temperature, the power supply interval time is set to be a first interval time T1, for example, T1 is 24 hours, and when T is equal to TPreset temperature 1≥TOutdoor ambient temperature＞TPreset temperature 2At the temperature, the chassis does not need to be subjected to deicing control, and the power supply interval time is set to be a second interval time T2, wherein the second interval time is T2-12 hours, for example; when the outdoor ambient temperature TOutdoor ambient temperature≤TPreset temperature 2At this temperature, the chassis is required to be ice-melting controlled, and the power supply interval time is set to a third interval time T3, for example, T3 is 6 hours.
Optionally, if the outdoor environment temperature is less than or equal to a fourth preset temperature, the outdoor unit is continuously powered on, that is, the indoor unit does not disconnect the main relay for supplying power to the outdoor unit, so that the whole machine enters a non-low power consumption mode in a standby state. Wherein the fourth preset temperature is lower than the second preset temperature and is TPreset temperature 4E.g. TPreset temperature 4＝-12℃。
Optionally, when the continuous power supply of the external unit is maintained, the current outdoor environment temperature is obtained at preset time intervals; and determining to supply power to the outdoor unit intermittently or continuously according to the current outdoor environment temperature. The preset time may be equal to the third interval time T3. And when the continuous power supply of the external unit is kept, controlling whether the chassis electric heating of the air conditioner is turned on or off according to the acquired outdoor environment temperature. That is, whether the chassis electric heating of the air conditioner is turned on or off is controlled according to the control logic for controlling the chassis electric heating according to the outdoor environment temperature shown in fig. 2.
Optionally, if the outdoor environment temperature is less than or equal to a second preset temperature, setting a time ratio Kn for supplying power to the external unit within the power supply interval time according to the outdoor environment temperature, and supplying power to the external unit within the power supply interval time by Kn times of the power supply interval time. When the outdoor environment temperature is less than or equal to the second preset temperature, the power supply interval time is the third interval time T3, the indoor unit closes the relay to continuously supply power to the outdoor unit for T3 × Kn time, wherein Kn belongs to (0, 1) according to the outdoor environment temperature, and the value of Kn determines the time ratio of power supply to the outdoor unit in the power supply interval time. The lower the outdoor environment temperature is, the larger the Kn value is, the longer the power supply time of the external unit in the power supply interval time is, and the longer the chassis electric heating operation time is. And the time T3 & ltKn & gt for the internal unit to close the relay to continuously supply power to the external unit is used for starting the external unit chassis electric heating belt, so that whether the chassis electric heating of the air conditioner is started or not is controlled according to the outdoor environment temperature.
For example, if the outdoor environment temperature is greater than a third preset temperature and less than or equal to a second preset temperature, the time K1 times the third interval time for supplying power to the outdoor unit in the third interval time is set, if the outdoor environment temperature is greater than a fourth preset temperature and less than or equal to the third preset temperature, the time K2 times the third interval time for supplying power to the outdoor unit in the third interval time is set, the third preset temperature is greater than the fourth preset temperature, K1 ∈ (0, 1), K2 ∈ (K1, 1), the third preset temperature TPreset temperature 3For example as TPreset temperature 3-5 ℃, said fourth predetermined temperature TPreset temperature 4For example as TPreset temperature 4-12 ℃. That is, when TPreset temperature 2≥TOutdoor ambient temperature＞TPreset temperature 3When the power supply is carried out, the power supply is carried out for the third interval time T1 times the time of the third interval time for supplying power to the external unit within the third interval time T3, namely, after the power supply is carried out for the external unit within the third interval time T3K 1, the power supply is disconnected again, the low power consumption mode of the standby lower part is entered, namely, within the third interval time, the main relay is disconnected within the time delay T3K 1, and K1 ∈ (0, 1) is carried out, and when the power supply is carried out within the time delay T3K 1Preset temperature 3≥TOutdoor ambient temperature＞TPreset temperature 4And then, the power supply is carried out on the external unit within a third interval time T3 for a third interval time K2 times, namely, after the power supply is carried out on the external unit within the third interval time T3X K2, the power supply is disconnected again, and the low power consumption mode of the standby lower part is entered, namely, within the third interval time, the main relay is disconnected within a time delay T3X K1, and K2 ∈ (K1, 1) is carried out.
And S123, supplying power to the external unit for preset power supply duration time at intervals of the power supply interval time.
For example, if the preset power supply duration is set to Δ T and the power supply interval time is determined to be T1, the external machine is powered for Δ T time every T1 time. The requirement that the outdoor environment temperature can be effectively obtained within the preset power supply duration time delta T is met, the indoor unit receives the data through the indoor unit communication line of the indoor unit and the outdoor unit, and the preset power supply duration time delta T is the minimum time for the indoor unit to close the relay to supply power to the outdoor unit. The setting of this time is mainly influenced by two factors. Firstly, the method comprises the following steps: and averaging the time and the continuous sampling times of the external unit main control chip AD for sampling the outer ring temperature value once. For example, the outer ring temperature is sampled once in 1ms, and the average value of 250 consecutive samples is 250 ms. Second, the time when the indoor unit and the outdoor unit communicate once, for example, the 0.5S outdoor unit sends a packet of data to the indoor unit. Δ T250 ms +0.5S 0.75S. And supplying power to the external unit at intervals of the power supply interval time for a preset power supply duration time, so that the outdoor environment temperature is obtained again within the preset power supply duration time for supplying power to the external unit, and the power supply interval time for supplying power to the external unit is adjusted according to the outdoor environment temperature. And controlling whether the chassis electric heating of the air conditioner is turned on or off according to the acquired outdoor environment temperature. That is, whether the chassis electric heating of the air conditioner is turned on or off is controlled according to the control logic for controlling the chassis electric heating according to the outdoor environment temperature shown in fig. 2.
According to the embodiment, before the air conditioner is turned off and enters the standby state, the outdoor environment temperature during the turning-off is acquired, then the power supply interval time for supplying power to the external unit is set according to the outdoor environment temperature at the turning-off time of the air conditioner, and the power supply duration time is preset for supplying power to the external unit every other power supply interval time; when the air conditioner is in a standby state, when an external unit of the air conditioner is powered on (namely within the power supply duration), the outdoor environment temperature when the external unit is powered on is acquired, and then the power supply interval time for powering the external unit, which is set before, is adjusted according to the acquired outdoor environment temperature when the external unit is powered on. And meanwhile, controlling whether the chassis electric heating of the air conditioner is turned on or off according to the acquired outdoor environment temperature.
For clearly explaining the technical solution of the present invention, the following describes an execution flow of the air conditioner control method provided by the present invention with a specific embodiment.
Fig. 4 is a schematic method diagram of an embodiment of an air conditioner control method according to the present invention. As shown in fig. 4, when the air conditioner is powered on for the first time, the air conditioner supplies power to the outdoor unit by closing the main relay of the indoor unit controller no matter in the standby state or the on state. And judging whether the effective operation times of the heating mode set by the user reach a preset value N or not, and when the effective operation times of the heating mode set by the user reach the preset value N (N >3), controlling a main relay to supply power to the outdoor unit intermittently by the indoor unit of the air conditioner in a standby state.
After entering the standby state, the outdoor environment temperature T at the time of shutdownOutdoor ambient temperatureAnd setting power supply interval time, and controlling the closing delta T time of the main relay by the indoor unit according to the set power supply interval time (wherein the delta T time is required to effectively obtain the outdoor environment temperature, and the indoor unit receives the data through an indoor and outdoor unit communication line). Reading and updating outdoor ambient temperature within delta T for tuningAnd (5) the power supply interval time is adjusted.
When T isOutdoor ambient temperature＞TPreset temperature 1(typically 5 ℃) at which the chassis does not need ice melting control. The indoor unit controls a main relay for supplying power to the outdoor unit to be disconnected, so that the whole machine enters a low power consumption mode under standby, the indoor unit starts timing at the same time, when the timing T1 reaches, the indoor unit controls the main relay to be closed by delta T, and then the current outdoor environment temperature is read.
When T isPreset temperature 1≥TOutdoor ambient temperature＞TPreset temperature 2(typically 0 ℃) at which the chassis still does not need ice melting control. The indoor unit controls the main relay for supplying power to the outdoor unit to be switched off, so that the whole unit enters a low power consumption mode in a standby state, and simultaneously, the indoor unit starts timing when the timing T2 (T2) is started<T1) to the rear indoor unit, the main relay is controlled to close by delta T, and the current outdoor ambient temperature is read.
When T isPreset temperature 2≥TOutdoor ambient temperature＞TPreset temperature 3The indoor unit controls the closing (T3X K1, K1 ∈ (0, 1)) time of a main relay for supplying power to the outdoor unit, so that the whole unit enters a partial low power consumption mode under standby, the main relay is closed, and the timing is started simultaneously, and when the timing T3 (T3) is started<T2) to the rear indoor unit, the main relay is controlled to close by delta T, and the current outdoor ambient temperature is read.
When T isPreset temperature 3≥TOutdoor ambient temperature＞TPreset temperature 4The indoor unit controls the closing (T3X K2, K2 ∈ (K1, 1)) time of a main relay for supplying power to the outdoor unit, so that the whole unit enters a partial low power consumption mode under standby state, the main relay is closed, timing is started simultaneously, and when the timing T3 (T3) is started<T2) to the rear indoor unit, the main relay is controlled to be closed by delta T, and the current T outdoor environment temperature is read.
When said T isOutdoor ambient temperature≤TPreset temperature 4(typically-12 ℃) at which the chassis is ice melting controlled. The indoor machine controls the closing of a main relay for supplying power to the outdoor machine, so that the whole machine advancesAnd entering a non-low power consumption mode in a standby state. Closing the main relay simultaneously starts timing, T3 (T3) every time<T2), the current outdoor ambient temperature is read.
Fig. 5 is a logic control timing diagram of an embodiment of an air conditioner control method according to the present invention. The control process in fig. 4 described above may refer to the control timing shown in fig. 5. Wherein, the high level: the inner machine closes the main relay to supply power to the outer machine; low level: the internal machine disconnects the main relay to not supply power to the external machine; the minimum interval time for closing the main relay by the inner machine needs to meet the requirement of sampling to obtain the outdoor environment temperature or the outdoor humidity.
The invention also provides an air conditioner control device. When the air conditioner is powered on for the first time, the outdoor unit is powered no matter in a standby state or a starting state, and specifically, the outdoor unit is powered by closing a main relay of an indoor unit controller. Since the environment of the outdoor unit side cannot be estimated before the air conditioner is powered on for the first time, whether the chassis is frozen and whether the thickness of the chassis is enough to influence the reliable operation of the air conditioner cannot be judged, in order to ensure the reliability of the air conditioner after the air conditioner is powered on for the first time, the power of the outdoor unit of the air conditioner must be ensured, and the chassis electric heating is turned on or off according to the temperature condition.
Fig. 6 is a schematic structural diagram of an embodiment of an air conditioning control device provided by the present invention. As shown in fig. 6, the air conditioning control device 100 includes a determination unit 110 and a control unit 120.
The judging unit 110 is configured to judge whether a number of continuous effective operation times of the air conditioner operating in the heating mode reaches a preset number; the control unit 120 is configured to intermittently supply power to an external unit of the air conditioner when the air conditioner is in a standby state when the number of continuous effective operations reaches a preset number.
In order to avoid misoperation of a user for controlling the air conditioner through a remote controller, a wire controller, an APP and the like, the whole machine is required to be set in a heating mode, and the compressor is started and operated once, so that the compressor is started and shut down to be effectively operated. The user sets up the mode of heating many times in a period of time is continuous, can predict that indoor outer ambient temperature has the trend towards low temperature variation, and the chassis freezes easily under the standby state. Therefore, the change trend of the environment temperature can be pre-judged according to the continuous effective operation times of the heating mode set by a user, so that the power consumption mode for supplying power to the air conditioner outdoor unit is determined, wherein the standby lower part low power consumption mode is entered under the condition that the continuous effective operation times reach the preset times. And under the condition that the continuous effective operation frequency does not reach the preset frequency, entering a non-low power consumption mode under a standby state, and when the air conditioner is in a standby state, continuously supplying power to an outdoor unit of the air conditioner, namely, a main relay for supplying power to the outdoor unit by the indoor unit is not switched on. The preset number N may be N >3, for example.
The control unit 120 intermittently supplies power to the external unit of the air conditioner when the air conditioner is in the standby state under the condition that the number of continuous effective operation times reaches a preset number. And when the outdoor unit is powered on, controlling whether the chassis electric heating of the air conditioner is turned on or off according to the outdoor environment temperature. Specifically, whether the chassis electric heating of the air conditioner is turned on or off can be controlled according to the control logic for controlling the chassis electric heating according to the outdoor ambient temperature shown in fig. 2.
Fig. 7 is a schematic structural diagram of an embodiment of a control unit according to an embodiment of the present invention. As shown in fig. 7, in a specific embodiment, the control unit 120 includes an acquisition subunit 121, a setting subunit 122, and a control subunit 123.
The obtaining subunit 121 is configured to obtain an outdoor environment temperature at a shutdown time before the air conditioner is in a standby state, and/or an outdoor environment temperature when the air conditioner is in a standby state and supplies power to the external unit. The setting subunit 122 is configured to set and/or adjust a power supply interval time for supplying power to the external unit according to the outdoor environment temperature. The control subunit 123 is configured to supply power to the external unit for a preset power supply duration time every the power supply interval time.
Specifically, before the air conditioner is turned off and enters the standby state, the obtaining subunit 121 obtains the outdoor environment temperature at the time of turning off, then the setting subunit 122 sets the power supply interval time for supplying power to the external unit according to the outdoor environment temperature at the time of turning off the air conditioner, and the control subunit 123 supplies power to the external unit for the preset power supply duration time every other power supply interval time; when the air conditioner is in a standby state, when the external unit of the air conditioner is powered on (i.e., within the power supply duration), the obtaining subunit 121 obtains the outdoor environment temperature when the external unit is powered on, and then the setting subunit 122 adjusts the power supply interval time for powering the external unit, which is set before, according to the obtained outdoor environment temperature when the external unit is powered on.
The setting subunit 122 sets and/or adjusts the power supply interval time for supplying power to the outdoor unit according to the outdoor ambient temperature.
When the air conditioner is turned off and enters a standby state, the setting subunit 122 sets a power supply interval time for supplying power to the external unit according to the outdoor environment temperature at the time of turning off the air conditioner; when the air conditioner is in a standby state, the obtaining subunit 121 obtains the outdoor environment temperature within the power supply duration for supplying power to the external unit of the air conditioner, and the setting subunit 122 adjusts the power supply interval time for supplying power to the external unit, which is set before, according to the outdoor environment temperature obtained by the obtaining subunit 121. Specifically, different outdoor ambient temperatures correspond to different power supply intervals. In one embodiment, if the outdoor ambient temperature is greater than a first preset temperature, the power supply interval time is set to a first interval time; if the outdoor environment temperature is greater than a second preset temperature and less than or equal to a first preset temperature, setting the power supply interval time as a second interval time; and if the outdoor environment temperature is less than or equal to a second preset temperature, setting the power supply interval time as a third interval time. Wherein the first preset temperature is greater than the second preset temperature; the first interval time is greater than the second interval time is greater than the third interval time.
For example, the outdoor ambient temperature is TOutdoor ambient temperatureThe first preset temperature is TPreset temperature 1The second preset temperature is TPreset temperature 2The first preset temperature is TPreset temperature 1The temperature is 5 ℃; the second preset temperature can be specifically a preset chassis electric heating starting temperature, namely an outdoor environment temperature value at which chassis deicing is required. The second preset temperatureDegree, e.g. TPreset temperature 2The temperature is equal to 0 ℃; when T isOutdoor ambient temperature＞TPreset temperature 1When the chassis is not required to be iced at the temperature, the power supply interval time is set to be a first interval time T1, for example, T1 is 24 hours, and when T is equal to TPreset temperature 1≥TOutdoor ambient temperature＞TPreset temperature 2At the temperature, the chassis does not need to be subjected to deicing control, and the power supply interval time is set to be a second interval time T2, wherein the second interval time is T2-12 hours, for example; when the outdoor ambient temperature TOutdoor ambient temperature≤TPreset temperature 2At this temperature, the chassis is required to be ice-melting controlled, and the power supply interval time is set to a third interval time T3, for example, T3 is 6 hours.
The control subunit 123 supplies power to the external unit for a preset power supply duration time every the power supply interval time.
For example, if the preset power supply duration is set to Δ T and the power supply interval time is determined to be T1, the external machine is powered for Δ T time every T1 time. The requirement that the outdoor environment temperature can be effectively obtained within the preset power supply duration time delta T is met, the indoor unit receives the data through the indoor unit communication line of the indoor unit and the outdoor unit, and the preset power supply duration time delta T is the minimum time for the indoor unit to close the relay to supply power to the outdoor unit. The setting of this time is mainly influenced by two factors. Firstly, the method comprises the following steps: and averaging the time and the continuous sampling times of the external unit main control chip AD for sampling the outer ring temperature value once. For example, the outer ring temperature is sampled once in 1ms, and the average value of 250 consecutive samples is 250 ms. Second, the time when the indoor unit and the outdoor unit communicate once, for example, the 0.5S outdoor unit sends a packet of data to the indoor unit. Δ T250 ms +0.5S 0.75S. The control subunit 123 supplies power to the external unit for a preset power supply duration time every other power supply interval time, so that the outdoor environment temperature is obtained again within the preset power supply duration time for supplying power to the external unit, and the setting subunit 122 adjusts the power supply interval time for supplying power to the external unit according to the outdoor environment temperature.
The control unit 120 further includes a chassis electric heating control unit (not shown) for controlling whether chassis electric heating of the air conditioner is turned on or off according to the acquired outdoor ambient temperature. That is, whether the chassis electric heating of the air conditioner is turned on or off is controlled according to the control logic for controlling the chassis electric heating according to the outdoor environment temperature shown in fig. 2.
Optionally, the control subunit 123 is further configured to: and if the outdoor environment temperature is less than or equal to a fourth preset temperature, the continuous power supply of the outdoor unit is kept, namely the indoor unit does not disconnect a main relay for supplying power to the outdoor unit, so that the whole machine enters a non-low power consumption mode in a standby state. Wherein the fourth preset temperature is lower than the second preset temperature and is TPreset temperature 4E.g. TPreset temperature 4＝-12℃。
Optionally, when the control subunit 123 keeps continuously supplying power to the external unit, the current outdoor environment temperature is obtained at preset time intervals; and determining to supply power to the outdoor unit intermittently or continuously according to the current outdoor environment temperature. The preset time may be equal to the third interval time T3.
The control unit 120 further includes a chassis electrical heating control unit (not shown) for controlling whether chassis electrical heating of the air conditioner is turned on or off according to the obtained outdoor environment temperature when the external unit is continuously powered. That is, whether the chassis electric heating of the air conditioner is turned on or off is controlled according to the control logic for controlling the chassis electric heating according to the outdoor environment temperature shown in fig. 2.
Optionally, the setting subunit 122 is further configured to: if the outdoor environment temperature is less than or equal to a second preset temperature, setting a time ratio Kn for supplying power to the outdoor unit within the power supply interval time according to the outdoor environment temperature, wherein Kn belongs to (0, 1); the control subunit 123 is further configured to: and supplying power to the external unit within the power supply interval time by Kn times of the power supply interval time.
When the outdoor environment temperature is less than or equal to the second preset temperature, the power supply interval time is the third interval time T3, the indoor unit closes the relay to continuously supply power to the outdoor unit for T3 × Kn time, wherein Kn belongs to (0, 1) according to the outdoor environment temperature, and the value of Kn determines the time ratio of power supply to the outdoor unit in the power supply interval time. The lower the outdoor environment temperature is, the larger the Kn value is, the longer the power supply time of the external unit in the power supply interval time is, and the longer the chassis electric heating operation time is. And the time T3 & ltKn & gt for the internal unit to close the relay to continuously supply power to the external unit is used for starting the external unit chassis electric heating belt, so that whether the chassis electric heating of the air conditioner is started or not is controlled according to the outdoor environment temperature.
For example, if the outdoor ambient temperature is greater than a third preset temperature and less than or equal to a second preset temperature, the setting subunit 122 sets the time K1 times the third interval time for supplying power to the outdoor unit in the third interval time, if the outdoor ambient temperature is greater than a fourth preset temperature and less than or equal to the third preset temperature, the setting subunit 122 sets the time K2 times the third interval time for supplying power to the outdoor unit in the third interval time, the third preset temperature is greater than the fourth preset temperature, K1 ∈ (0, 1), K2 ∈ (K1, 1), the third preset temperature TPreset temperature 3For example as TPreset temperature 3-5 ℃, said fourth predetermined temperature TPreset temperature 4For example as TPreset temperature 4-12 ℃. That is, when TPreset temperature 2≥TOutdoor ambient temperature＞TPreset temperature 3When the power supply is carried out, the power supply is carried out for the third interval time T1 times the time of the third interval time for supplying power to the external unit within the third interval time T3, namely, after the power supply is carried out for the external unit within the third interval time T3K 1, the power supply is disconnected again, the low power consumption mode of the standby lower part is entered, namely, within the third interval time, the main relay is disconnected within the time delay T3K 1, and K1 ∈ (0, 1) is carried out, and when the power supply is carried out within the time delay T3K 1Preset temperature 3≥TOutdoor ambient temperature＞TPreset temperature 4And then, the power supply is carried out on the external unit within a third interval time T3 for a third interval time K2 times, namely, after the power supply is carried out on the external unit within the third interval time T3X K2, the power supply is disconnected again, and the low power consumption mode of the standby lower part is entered, namely, within the third interval time, the main relay is disconnected within a time delay T3X K1, and K2 ∈ (K1, 1) is carried out.
According to the embodiment, before the air conditioner is turned off and enters the standby state, the outdoor environment temperature during the turning-off is acquired, then the power supply interval time for supplying power to the external unit is set according to the outdoor environment temperature at the turning-off time of the air conditioner, and the power supply duration time is preset for supplying power to the external unit every other power supply interval time; when the air conditioner is in a standby state, when an external unit of the air conditioner is powered on (namely within the power supply duration), the outdoor environment temperature when the external unit is powered on is acquired, and then the power supply interval time for powering the external unit, which is set before, is adjusted according to the acquired outdoor environment temperature when the external unit is powered on. And meanwhile, controlling whether the chassis electric heating of the air conditioner is turned on or off according to the acquired outdoor environment temperature.
The present invention also provides a storage medium corresponding to the air conditioning control method, having a computer program stored thereon, which when executed by a processor, performs the steps of any of the aforementioned methods.
The invention also provides an air conditioner corresponding to the air conditioner control method, which comprises a processor, a memory and a computer program which is stored on the memory and can run on the processor, wherein the processor realizes the steps of any one of the methods when executing the program.
The invention also provides an air conditioner corresponding to the air conditioner control device, which comprises the air conditioner control device.
According to the scheme provided by the invention, the external machine is powered in a time-sharing manner in the low-temperature heating mode, the electric heating and deicing functions of the chassis are realized according to the outdoor ambient temperature or humidity under the condition that electricity is available on the external machine side, the coexistence of the low-power consumption function and the electric heating and deicing functions of the chassis under the low-temperature working condition heating can be realized, the problem that the electric heating and deicing functions of the chassis cannot be realized by a low-power consumption machine type is effectively solved, the energy consumption is reduced as much as possible, the reliability of the air conditioner is improved, and the method can be widely applied to the field of air conditioner control with.
The functions described herein may be implemented in hardware, software executed by a processor, firmware, or any combination thereof. If implemented in software executed by a processor, the functions may be stored on or transmitted over as one or more instructions or code on a computer-readable medium. Other examples and implementations are within the scope and spirit of the invention and the following claims. For example, due to the nature of software, the functions described above may be implemented using software executed by a processor, hardware, firmware, hardwired, or a combination of any of these. In addition, each functional unit may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
In the embodiments provided in the present application, it should be understood that the disclosed technology can be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units may be 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, units or modules, and may be in an electrical or other form.
The units described as separate parts may or may not be physically separate, and the parts serving as the control device may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
The integrated unit, if implemented in the form of a software functional unit and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
The above description is only an example of the present invention, and is not intended to limit the present invention, and it is obvious to those skilled in the art that various modifications and variations can be made in the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.
Claims (11)
1. An air conditioner control method, comprising:
judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times or not;
under the condition that the continuous effective operation times reach preset times, when the air conditioner is in a standby state, intermittently supplying power to an external unit of the air conditioner;
under the condition that the continuous effective operation frequency does not reach the preset frequency, when the air conditioner is in a standby state, continuously supplying power to an external unit of the air conditioner;
and under the condition that the whole machine is set in a heating mode, the compressor is started until the compressor is shut down, and the compressor is recorded as one-time effective operation.
2. The method of claim 1, wherein intermittently supplying power to an outdoor unit of the air conditioner comprises:
acquiring the outdoor environment temperature at the shutdown time before the standby of the air conditioner and/or the outdoor environment temperature when the air conditioner supplies power to the outdoor unit in the standby state;
setting and/or adjusting the power supply interval time for supplying power to the outdoor unit according to the outdoor environment temperature;
and supplying power to the external unit for a preset power supply duration time every the power supply interval time.
3. The method of claim 2, wherein setting the power supply interval time for the power supply to the outdoor unit according to the outdoor ambient temperature comprises:
if the outdoor environment temperature is higher than a first preset temperature, setting the power supply interval time as a first interval time;
if the outdoor environment temperature is greater than a second preset temperature and less than or equal to a first preset temperature, setting the power supply interval time as a second interval time;
if the outdoor environment temperature is less than or equal to a second preset temperature, setting the power supply interval time as a third interval time;
wherein the first preset temperature is greater than the second preset temperature; the first interval time is greater than the second interval time is greater than the third interval time.
4. The method of claim 3, further comprising:
if the outdoor environment temperature is less than or equal to a second preset temperature, setting a time ratio Kn for supplying power to the outdoor unit within the power supply interval time according to the outdoor environment temperature, wherein Kn belongs to (0, 1);
supplying power to the external unit within the power supply interval time by Kn times of the power supply interval time;
and/or the presence of a gas in the gas,
and if the outdoor environment temperature is less than or equal to a fourth preset temperature, continuously supplying power to the outdoor unit, wherein the fourth preset temperature is less than the second preset temperature.
5. An air conditioning control device, characterized by comprising:
the judging unit is used for judging whether the continuous effective operation times of the air conditioner in the heating mode reach preset times or not;
the control unit is used for intermittently supplying power to an external unit of the air conditioner when the air conditioner is in a standby state under the condition that the continuous effective operation times reach preset times; under the condition that the continuous effective operation frequency does not reach the preset frequency, when the air conditioner is in a standby state, continuously supplying power to an external unit of the air conditioner;
and under the condition that the whole machine is set in a heating mode, the compressor is started until the compressor is shut down, and the compressor is recorded as one-time effective operation.
6. The apparatus of claim 5, wherein the control unit comprises:
the obtaining subunit is configured to obtain an outdoor environment temperature at a shutdown time before the standby of the air conditioner and/or an outdoor environment temperature when the air conditioner supplies power to the external unit after the standby;
the setting subunit is used for setting and/or adjusting the power supply interval time for supplying power to the outdoor unit according to the outdoor environment temperature;
and the control subunit is used for supplying power to the external unit for a preset power supply duration time every the power supply interval time.
7. The apparatus of claim 6, wherein the setting subunit sets and/or adjusts a power supply interval time for supplying power to the outdoor unit according to the outdoor ambient temperature, comprising:
if the outdoor environment temperature is higher than a first preset temperature, setting the power supply interval time as a first interval time;
if the outdoor environment temperature is greater than a second preset temperature and less than or equal to a first preset temperature, setting the power supply interval time as a second interval time;
if the outdoor environment temperature is less than or equal to a second preset temperature, setting the power supply interval time as a third interval time;
wherein the first preset temperature is greater than the second preset temperature; the first interval time is greater than the second interval time is greater than the third interval time.
8. The apparatus of claim 7,
the setting subunit is further configured to: if the outdoor environment temperature is less than or equal to a second preset temperature, setting a time ratio Kn for supplying power to the outdoor unit within the power supply interval time according to the outdoor environment temperature, wherein Kn belongs to (0, 1);
the control subunit is further configured to: supplying power to the external unit within the power supply interval time by Kn times of the power supply interval time;
and/or the presence of a gas in the gas,
the control subunit is further configured to: and if the outdoor environment temperature is less than or equal to a fourth preset temperature, continuously supplying power to the outdoor unit, wherein the fourth preset temperature is less than the second preset temperature.
9. A storage medium, having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 4.
10. An air conditioner comprising a processor, a memory, and a computer program stored on the memory and operable on the processor, the processor implementing the steps of the method of any one of claims 1-4 when executing the program.
11. An air conditioner characterized by comprising the air conditioner control device according to any one of claims 5 to 8.
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| CN112254279B (en) * | 2020-10-19 | 2021-11-30 | 珠海格力电器股份有限公司 | Control method and device for standby of air conditioner, air conditioner and storage medium |
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