CN109442690B - 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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- CN109442690B CN109442690B CN201811271273.4A CN201811271273A CN109442690B CN 109442690 B CN109442690 B CN 109442690B CN 201811271273 A CN201811271273 A CN 201811271273A CN 109442690 B CN109442690 B CN 109442690B
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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
- F24F11/50—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
- F24F11/70—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
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
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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
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
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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
- F24F2140/00—Control inputs relating to system states
- F24F2140/20—Heat-exchange fluid temperature
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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: after the air conditioner starts a heating mode, enabling the air conditioner to enter a preset control mode; acquiring the current indoor environment temperature and the current indoor heat exchanger temperature of the air conditioner in the preset control mode; and adjusting the running frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature. The scheme provided by the invention can weaken the phenomenon of serious layering of cold and hot air at the initial stage of starting the air-conditioning heating mode and improve the uniformity of the overall temperature distribution of the room.
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
When the variable frequency heat pump air conditioner operates in a heating mode, the temperature difference between hot air blown out by an internal machine and cold air blown out by the internal machine at the initial starting stage is large, the blown hot air is difficult to fall to the ground and seriously floats upwards, so that the layering of the cold and hot air in a room is obvious, and most of heat generated by heating of the air conditioner is gathered at the upper part of the room rather than the active area of people at the lower part of the room. At the moment, the high-frequency operation power consumption of the variable-frequency air conditioner compressor is higher, but the effective heating quantity actually generated to a room is not high, the capacity of the air conditioner is reduced by phase change, meanwhile, the heating space is obviously hot and cold in the initial starting time period, and the comfort of a human body is poor.
Disclosure of Invention
The invention mainly aims to overcome the defects of the prior art and provides an air conditioner control method, an air conditioner control device, a storage medium and an air conditioner so as to solve the problems that cold and hot stratification is obvious at the initial starting stage and hot air floats upwards seriously during the heating operation of a variable frequency heat pump air conditioner in the prior art.
One aspect of the present invention provides an air conditioner control method, including: after the air conditioner starts a heating mode, enabling the air conditioner to enter a preset control mode; acquiring the current indoor environment temperature and the current indoor heat exchanger temperature of the air conditioner in the preset control mode; and adjusting the running frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature.
Optionally, before the air conditioner is put into a preset control mode, the method further includes: detecting whether the rotating speed of an inner fan of the air conditioner is less than a preset rotating speed or not; and if so, enabling the air conditioner to enter a preset control mode.
Optionally, when the heating operation duration of the air conditioner reaches a preset duration, exiting the preset control mode.
Optionally, adjusting the operating frequency of the compressor of the air conditioner and/or the opening degree of the throttling device according to the obtained current indoor environment temperature and the obtained current indoor heat exchanger temperature includes: judging whether the temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature is within a preset temperature difference range or not; if the temperature difference is within the preset temperature difference range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run; if the temperature difference is higher than the upper limit value of the preset temperature difference range, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening; if the temperature difference is lower than the lower limit value of the preset temperature difference range, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening; and/or acquiring a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature; judging whether the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range; if the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run; if the current temperature of the indoor heat exchanger is higher than the upper limit value of the target temperature range of the indoor heat exchanger, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening; and if the current temperature of the indoor heat exchanger is lower than the lower limit value of the target temperature range of the indoor heat exchanger, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening.
Optionally, obtaining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature includes: acquiring a corresponding relation between a preset indoor environment temperature and a target indoor heat exchanger temperature range; determining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature according to the corresponding relation; and/or determining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature according to a preset temperature difference range between the indoor environment temperature and the indoor heat exchanger temperature.
Another aspect of the present invention provides an air conditioning control apparatus, including: the control unit is used for enabling the air conditioner to enter a preset control mode after the air conditioner starts a heating mode; the acquisition unit is used for acquiring the current indoor environment temperature and the current indoor heat exchanger temperature of the air conditioner in the preset control mode; and the adjusting unit is used for adjusting the running frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature.
Optionally, the method further comprises: the detection unit is used for detecting whether the rotating speed of the inner fan of the air conditioner is less than a preset rotating speed or not; and if so, enabling the air conditioner to enter a preset control mode.
Optionally, the control unit is further configured to: and when the heating operation time of the air conditioner reaches a preset time, enabling the air conditioner to exit the preset control mode.
Optionally, the adjusting unit, which adjusts an operating frequency of a compressor of the air conditioner and/or an opening degree of a throttling device according to the obtained current indoor environment temperature and the obtained current indoor heat exchanger temperature, includes: judging whether the temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature is within a preset temperature difference range or not; if the temperature difference is within the preset temperature difference range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run; if the temperature difference is higher than the upper limit value of the preset temperature difference range, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening; if the temperature difference is lower than the lower limit value of the preset temperature difference range, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening; and/or acquiring a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature; judging whether the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range; if the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run; if the current temperature of the indoor heat exchanger is higher than the upper limit value of the target temperature range of the indoor heat exchanger, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening; and if the current temperature of the indoor heat exchanger is lower than the lower limit value of the target temperature range of the indoor heat exchanger, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening.
Optionally, the obtaining, by the adjusting unit, a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature includes: acquiring a corresponding relation between a preset indoor environment temperature and a target indoor heat exchanger temperature range; determining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature according to the corresponding relation; and/or determining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature according to a preset temperature difference range between the indoor environment temperature and the indoor heat exchanger 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, during the heating operation of the air conditioner, the operation frequency of a compressor of the air conditioner and/or the opening degree of a throttling device are/is adjusted according to the acquired current indoor environment temperature and the current indoor heat exchanger temperature, the control of the indoor environment temperature and the air outlet temperature of an air conditioner indoor unit at the initial starting stage of the air-conditioning heating mode, namely the control of the operation frequency of the compressor is refined, the severe layering phenomenon of cold and hot air at the initial starting stage of the air-conditioning heating mode is weakened, the uniformity of the overall temperature distribution of a room is improved, the temperature rise rate of an effective space at the bottom of the room is improved, the thermal comfort of a human body in a heating space is improved, and the power.
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 graph of control of indoor ambient temperature versus indoor heat exchanger temperature in accordance with an embodiment of the present invention;
FIG. 3 is a schematic diagram of an air conditioner control method according to another embodiment of the present invention;
FIG. 4 is a schematic structural diagram of an embodiment of an air conditioning control apparatus provided by the present invention;
fig. 5 is a schematic structural diagram of another embodiment of an air conditioning control device provided by the 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.
Fig. 1 is a schematic method diagram of an embodiment of an air conditioner control method provided by the present invention. The method is particularly suitable for the heat pump type variable frequency air conditioner.
As shown in fig. 1, according to an embodiment of the present invention, the air conditioner control method includes at least step S110, step S120, and step S130.
And step S110, after the air conditioner starts a heating mode, enabling the air conditioner to enter a preset control mode.
The preset control mode is a control mode for controlling heating of the air conditioner. That is to say, after the air conditioner starts the heating mode, in order to avoid the problem that the temperature difference between the hot air blown out by the internal unit and the indoor cold air at the initial stage of starting the heating mode is large, and the hot air floats upwards, the air conditioner is controlled to heat, that is, the air conditioner enters a preset control mode.
Preferably, detecting whether the rotating speed of an inner fan of the air conditioner is less than a preset rotating speed; if so, enabling the air conditioner to enter a preset control mode, and if not, enabling the air conditioner to operate according to a normal heating mode. Specifically, after the heating mode is started, the rotating speed of an inner fan of the air conditioner is detected firstly, and under the condition that the rotating speed of the fan is large, hot air can be pressed to the ground due to large air pressure, so that a preset control mode does not need to be entered under the condition that the rotating speed of the fan is large (more than or equal to a preset rotating speed). For example, the operation wind level of the internal fan is detected, when the operation wind level is below the super-strong wind level (namely, between the high wind level and the mute wind level), a preset control mode is started, and when the operation wind level is the super-strong wind level, the preset control mode is not started.
And step S120, acquiring the current indoor environment temperature and the current indoor heat exchanger temperature of the air conditioner in the preset control mode.
Specifically, the current indoor ambient temperature T1 may be detected by an indoor ambient bulb, and the current indoor heat exchanger temperature T2 may be detected by a bulb on an indoor heat exchanger (e.g., an evaporator), which may specifically be a tube temperature of the indoor heat exchanger.
And step S130, adjusting the running frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature.
In a specific embodiment, the operation frequency of the compressor of the air conditioner and/or the opening degree of the throttling device is adjusted according to the temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature.
specifically, whether the temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature is within a preset temperature difference range or not is judged, if the temperature difference is within the preset temperature difference range, the air conditioner is enabled to keep the current compressor operation frequency and/or the throttle device opening degree to operate, if the temperature difference is higher than the upper limit value of the preset temperature difference range, the compressor frequency is reduced by a first preset frequency value and/or the throttle device opening degree is adjusted to a first preset opening degree, if the temperature difference is lower than the lower limit value of the preset temperature difference range, the compressor frequency is increased by a second preset frequency value and/or the throttle device opening degree is adjusted to a second preset opening degree, namely, the temperature difference between the indoor heat exchanger temperature and the indoor environment temperature is maintained within the preset temperature difference range by adjusting the operation frequency of the compressor of the air conditioner and/or the opening degree of the throttle device, wherein the preset temperature difference range can be 15-20 ℃, namely, the indoor temperature T2 and the indoor environment temperature T1 are maintained within the preset temperature difference range of the indoor heat exchanger temperature difference, such as the indoor temperature difference and the indoor environment temperature difference is gradually increased according to the temperature difference control graph of the indoor heat exchanger operation temperature control device, such as the indoor temperature control graph 2.
In another specific embodiment, the operating frequency of the compressor of the air conditioner and/or the opening degree of the throttling device are/is adjusted according to the current indoor heat exchanger temperature and the target indoor heat exchanger temperature range corresponding to the current indoor environment temperature.
Specifically, a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature T1 is obtained, whether the current indoor heat exchanger temperature T2 is within the target indoor heat exchanger temperature range is judged, if the current indoor heat exchanger temperature T2 is within the target indoor heat exchanger temperature range, the air conditioner is made to keep the current operation frequency of the compressor and/or the opening degree of the throttling device in operation, and if the current indoor heat exchanger temperature is higher than an upper limit value of the target indoor heat exchanger temperature range, the frequency of the compressor is reduced by a first preset frequency value and/or the opening degree of the throttling device is adjusted to a first preset opening degree; and if the current temperature of the indoor heat exchanger is lower than the lower limit value of the target temperature range of the indoor heat exchanger, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening. The first preset opening degree and the second preset opening degree may be equal or unequal, and the first preset opening degree or the second preset opening degree may be an optimal opening degree of the throttle device. If the air conditioner throttles through the capillary tube, the opening degree of the throttling device is not adjusted, and only the running frequency of the compressor is adjusted.
For example, as shown in FIG. 2, T2Upper limit ofThe corresponding curve is the upper limit value curve of the indoor heat exchanger temperature, T2Lower limit ofThe corresponding curve is a lower limit value curve of the temperature of the indoor heat exchanger, and a target indoor heat exchanger temperature range is defined between the upper limit value curve and the lower limit value curve, namely T2Lower limit of～T2Upper limit of. As can be seen from fig. 2, different indoor ambient temperatures T1 correspond to different target indoor heat exchanger temperature ranges, i.e. correspond to different upper limit values T2 of the target indoor heat exchanger temperature rangesUpper limit ofAnd a lower limit value T2Lower limit ofIf the current indoor heat exchanger temperature T2 is controlled within the target indoor heat exchanger temperature range corresponding to the current indoor ambient temperature T1, the temperature difference Δ T between the indoor heat exchanger temperature T2 and the indoor ambient temperature T1 can be always maintained between 15 ℃ and 20 ℃, that is, the temperature difference Δ T is maintained between the temperature T2 and the temperature T1The embodiment also actually keeps the temperature difference between the temperature of the indoor heat exchanger and the indoor ambient temperature within the preset temperature difference range by adjusting the operating frequency of the compressor and/or the opening degree of the throttling device.
One specific implementation way of obtaining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature is as follows: acquiring a corresponding relation between a preset indoor environment temperature and a target indoor heat exchanger temperature range; and determining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature according to the corresponding relation. The corresponding relationship between the indoor ambient temperature and the target indoor heat exchanger temperature range may be, for example, a corresponding relationship list between the indoor ambient temperature and the target indoor heat exchanger temperature range, that is, the target indoor heat exchanger temperature corresponding to the current indoor ambient temperature is searched from the corresponding relationship list between the indoor ambient temperature and the target indoor heat exchanger temperature range by means of table lookup.
Another specific embodiment of obtaining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature is as follows: and determining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature according to the temperature difference range between the preset indoor environment temperature and the temperature of the indoor heat exchanger. For example, the temperature difference range is 15 ℃ to 20 ℃, and if the current indoor environment temperature is 5 ℃, the corresponding target indoor heat exchanger temperature range is 20 ℃ to 25 ℃.
Fig. 3 is a method schematic diagram of another embodiment of the air conditioner control method provided by the invention. As shown in fig. 3, based on the above-mentioned embodiment, according to another embodiment of the present invention, the air conditioning control method further includes step S140.
And step S140, when the heating operation time of the air conditioner reaches a preset time, exiting the preset control mode.
The preset time length can be specifically the time length of the heating starting initial stage of the air conditioner, and the time length of the heating mode starting initial stage of the air conditioner can be tested and determined in advance. For example, the time period at the initial start of the air-conditioning heating mode is tested through a large number of experiments. The preset time period can be 15-30 minutes, for example.
Fig. 4 is a schematic structural diagram of an embodiment of an air conditioning control device provided by the present invention. As shown in fig. 4, the air conditioning control apparatus 100 includes: a control unit 110, an acquisition unit 120 and an adjustment unit 130.
The control unit 110 is configured to enable the air conditioner to enter a preset control mode after the air conditioner starts a heating mode; the obtaining unit 120 is configured to obtain a current indoor environment temperature and a current indoor heat exchanger temperature of the air conditioner in the preset control mode; the adjusting unit 130 is configured to adjust an operating frequency of a compressor of the air conditioner and/or an opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature.
The control unit 110 makes the air conditioner enter a preset control mode after the air conditioner starts a heating mode. The preset control mode is a control mode for controlling heating of the air conditioner. That is to say, after the air conditioner starts the heating mode, in order to avoid the problem that the temperature difference between the hot air blown out by the internal unit and the indoor cold air at the initial stage of starting the heating mode is large, and the hot air floats upwards, the air conditioner is controlled to heat, that is, the air conditioner enters a preset control mode.
In the preset control mode, the obtaining unit 120 obtains a current indoor ambient temperature and a current indoor heat exchanger temperature of the air conditioner. Specifically, the current indoor ambient temperature T1 may be detected by an indoor ambient bulb, and the current indoor heat exchanger temperature T2 may be detected by a bulb on an indoor heat exchanger (e.g., an evaporator), which may specifically be a tube temperature of the indoor heat exchanger.
The adjusting unit 130 adjusts the operating frequency of the compressor of the air conditioner and/or the opening degree of the throttling device according to the acquired current indoor environment temperature and the current indoor heat exchanger temperature.
In one embodiment, the adjusting unit 130 adjusts an operation frequency of a compressor of the air conditioner and/or an opening degree of a throttling device according to a temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature.
specifically, the adjusting unit 130 determines whether a temperature difference between the current indoor heat exchanger temperature and the current indoor ambient temperature is within a preset temperature difference range, if the temperature difference is within the preset temperature difference range, the air conditioner keeps the current operating frequency of the compressor and/or the opening degree of the throttling device operating, if the temperature difference is higher than an upper limit value of the preset temperature difference range, the frequency of the compressor is decreased by a first preset frequency value and/or the opening degree of the throttling device is adjusted to a first preset opening degree, if the temperature difference is lower than a lower limit value of the preset temperature difference range, the frequency of the compressor is increased by a second preset frequency value and/or the opening degree of the throttling device is adjusted to a second preset opening degree, that is, the temperature difference between the indoor heat exchanger temperature and the indoor ambient temperature is maintained within a preset temperature difference range by adjusting the operating frequency of the compressor of the air conditioner and/or the opening degree of the throttling device, wherein the preset temperature difference range may be, for example, 15-20 ℃, that the indoor temperature difference between the indoor heat exchanger temperature T2 and the indoor ambient temperature T1 is maintained within a preset temperature difference range, such as shown in an electromagnetic temperature difference map of the indoor heat exchanger operating temperature control map and the indoor temperature control device.
In another embodiment, the adjusting unit 130 adjusts the operating frequency of the compressor of the air conditioner and/or the opening degree of the throttling device according to the current indoor heat exchanger temperature and the target indoor heat exchanger temperature range corresponding to the current indoor environment temperature.
Specifically, the adjusting unit 130 obtains a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature T1, determines whether the current indoor heat exchanger temperature T2 is within the target indoor heat exchanger temperature range, if the current indoor heat exchanger temperature T2 is within the target indoor heat exchanger temperature range, keeps the current operating frequency of the compressor and/or the opening degree of the throttling device in operation, and if the current indoor heat exchanger temperature is higher than an upper limit value of the target indoor heat exchanger temperature range, reduces the frequency of the compressor by a first preset frequency value and/or adjusts the opening degree of the throttling device to a first preset opening degree; and if the current temperature of the indoor heat exchanger is lower than the lower limit value of the target temperature range of the indoor heat exchanger, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening. The first preset opening degree and the second preset opening degree may be equal or unequal, and the first preset opening degree or the second preset opening degree may be an optimal opening degree of the throttle device. If the air conditioner throttles through the capillary tube, the opening degree of the throttling device is not adjusted, and only the running frequency of the compressor is adjusted.
For example, as shown in FIG. 2, T2Upper limit ofThe corresponding curve is the upper limit value curve of the indoor heat exchanger temperature, T2Lower limit ofThe corresponding curve is a lower limit value curve of the temperature of the indoor heat exchanger, and a target indoor heat exchanger temperature range is defined between the upper limit value curve and the lower limit value curve, namely T2Lower limit of～T2Upper limit of. As can be seen from fig. 2, different indoor ambient temperatures T1 correspond to different target indoor heat exchanger temperature ranges, i.e. correspond to different upper limit values T2 of the target indoor heat exchanger temperature rangesUpper limit ofAnd a lower limit value T2Lower limit ofAs long as the current indoor heat exchanger temperature T2 is controlled within the target indoor heat exchanger temperature range corresponding to the current indoor ambient temperature T1, the temperature difference Δ T between the indoor heat exchanger temperature T2 and the indoor ambient temperature T1 can be always maintained between 15 ℃ and 20 ℃, that is, the above-described embodiment also actually maintains the temperature difference between the indoor heat exchanger temperature and the indoor ambient temperature within the preset temperature difference range by adjusting the operating frequency of the compressor and/or the opening degree of the throttling device.
One specific implementation of the adjusting unit 130 obtaining the target indoor heat exchanger temperature range corresponding to the current indoor environment temperature is as follows: acquiring a corresponding relation between a preset indoor environment temperature and a target indoor heat exchanger temperature range; and determining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature according to the corresponding relation. The corresponding relationship between the indoor ambient temperature and the target indoor heat exchanger temperature range may be, for example, a corresponding relationship list between the indoor ambient temperature and the target indoor heat exchanger temperature range, that is, the target indoor heat exchanger temperature corresponding to the current indoor ambient temperature is searched from the corresponding relationship list between the indoor ambient temperature and the target indoor heat exchanger temperature range by means of table lookup.
Another specific embodiment of the adjusting unit 130 obtaining the target indoor heat exchanger temperature range corresponding to the current indoor environment temperature is as follows: and determining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature according to the temperature difference range between the preset indoor environment temperature and the temperature of the indoor heat exchanger. For example, the temperature difference range is 15 ℃ to 20 ℃, and if the current indoor environment temperature is 5 ℃, the corresponding target indoor heat exchanger temperature range is 20 ℃ to 25 ℃.
Fig. 5 is a schematic structural diagram of another embodiment of an air conditioning control device provided by the invention. As shown in fig. 5, according to the above embodiment, the air conditioning control device 100 further includes a detection unit 140.
The detection unit 140 is configured to detect whether a rotation speed of an inner fan of the air conditioner is less than a preset rotation speed; if so, the control unit enables the air conditioner to enter a preset control mode, and if not, the air conditioner operates in a normal heating mode.
Specifically, after the heating mode is started, before the air conditioner enters the preset control mode, the detection unit 140 detects the rotation speed of the internal fan of the air conditioner, and when the rotation speed of the internal fan is high, the air pressure is high, so that the hot air can be pressed to the ground, and therefore, the air conditioner does not need to enter the preset control mode when the rotation speed of the internal fan is high (greater than or equal to the preset rotation speed). For example, the operation wind level of the internal fan is detected, when the operation wind level is below the super-strong wind level (namely, between the high wind level and the mute wind level), a preset control mode is started, and when the operation wind level is the super-strong wind level, the preset control mode is not started.
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.
Therefore, according to the scheme provided by the invention, when the air conditioner is in heating operation, the operation frequency of the compressor of the air conditioner and/or the opening degree of the throttling device are/is adjusted according to the acquired current indoor environment temperature and the current indoor heat exchanger temperature, the control of the indoor environment temperature and the air outlet temperature of the indoor unit of the air conditioner at the initial starting stage of the air conditioning heating mode, namely the control of the operation frequency of the compressor, the severe layering phenomenon of cold and hot air at the initial starting stage of the air conditioning heating mode is weakened, the uniformity of the overall temperature distribution of a room is improved, the temperature rise rate of an effective space at the bottom of the room is improved, the thermal comfort of a human body in a heating space is improved, and meanwhile, the power consumption of.
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 (13)
1. An air conditioner control method, comprising:
after the air conditioner starts a heating mode, enabling the air conditioner to enter a preset control mode;
acquiring the current indoor environment temperature and the current indoor heat exchanger temperature of the air conditioner in the preset control mode;
adjusting the running frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the obtained current indoor environment temperature and the current indoor heat exchanger temperature;
adjusting the operating frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature, and the method comprises the following steps:
judging whether the temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature is within a preset temperature difference range or not;
if the temperature difference is within the preset temperature difference range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run;
if the temperature difference is higher than the upper limit value of the preset temperature difference range, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening;
and if the temperature difference is lower than the lower limit value of the preset temperature difference range, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening.
2. The method of claim 1, further comprising, before the air conditioner is brought into a preset control mode:
detecting whether the rotating speed of an inner fan of the air conditioner is less than a preset rotating speed or not; and if so, enabling the air conditioner to enter a preset control mode.
3. The method according to claim 1 or 2, wherein the preset control mode is exited when the duration of the air conditioning heating operation reaches a preset duration.
4. The method according to any one of claims 1-2, wherein adjusting an operating frequency of a compressor of the air conditioner and/or an opening degree of a throttling device according to the acquired current indoor ambient temperature and the current indoor heat exchanger temperature, further comprises:
acquiring a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature;
judging whether the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range;
if the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run;
if the current temperature of the indoor heat exchanger is higher than the upper limit value of the target temperature range of the indoor heat exchanger, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening;
and if the current temperature of the indoor heat exchanger is lower than the lower limit value of the target temperature range of the indoor heat exchanger, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening.
5. The method of claim 4, wherein obtaining a target indoor heat exchanger temperature range corresponding to the current indoor ambient temperature comprises:
acquiring a corresponding relation between a preset indoor environment temperature and a target indoor heat exchanger temperature range;
determining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature according to the corresponding relation;
and/or the presence of a gas in the gas,
and determining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature according to the temperature difference range between the preset indoor environment temperature and the temperature of the indoor heat exchanger.
6. An air conditioning control device, characterized by comprising:
the control unit is used for enabling the air conditioner to enter a preset control mode after the air conditioner starts a heating mode;
the acquisition unit is used for acquiring the current indoor environment temperature and the current indoor heat exchanger temperature of the air conditioner in the preset control mode;
the adjusting unit is used for adjusting the running frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature;
the adjusting unit adjusts the operating frequency of a compressor of the air conditioner and/or the opening degree of a throttling device according to the acquired current indoor environment temperature and the acquired current indoor heat exchanger temperature, and comprises:
judging whether the temperature difference between the current indoor heat exchanger temperature and the current indoor environment temperature is within a preset temperature difference range or not;
if the temperature difference is within the preset temperature difference range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run;
if the temperature difference is higher than the upper limit value of the preset temperature difference range, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening;
and if the temperature difference is lower than the lower limit value of the preset temperature difference range, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening.
7. The apparatus of claim 6, further comprising:
the detection unit is used for detecting whether the rotating speed of the inner fan of the air conditioner is less than a preset rotating speed or not; and if so, enabling the air conditioner to enter a preset control mode.
8. The apparatus of claim 6 or 7, wherein the control unit is further configured to: and when the heating operation time of the air conditioner reaches a preset time, enabling the air conditioner to exit the preset control mode.
9. The apparatus according to any one of claims 6 to 7, wherein the adjusting unit adjusts an operating frequency of a compressor of the air conditioner and/or an opening degree of a throttling device according to the acquired current indoor ambient temperature and the current indoor heat exchanger temperature, further comprising:
acquiring a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature;
judging whether the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range;
if the current indoor heat exchanger temperature is within the target indoor heat exchanger temperature range, enabling the air conditioner to keep the current running frequency of the compressor and/or the opening degree of the throttling device to run;
if the current temperature of the indoor heat exchanger is higher than the upper limit value of the target temperature range of the indoor heat exchanger, reducing the frequency of the compressor by a first preset frequency value and/or adjusting the opening of the throttling device to a first preset opening;
and if the current temperature of the indoor heat exchanger is lower than the lower limit value of the target temperature range of the indoor heat exchanger, increasing the frequency of the compressor by a second preset frequency value and/or adjusting the opening of the throttling device to a second preset opening.
10. The apparatus of claim 9, wherein the adjusting unit obtains a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature, and comprises:
acquiring a corresponding relation between a preset indoor environment temperature and a target indoor heat exchanger temperature range;
determining a target indoor heat exchanger temperature range corresponding to the current indoor environment temperature according to the corresponding relation;
and/or the presence of a gas in the gas,
and determining the temperature range of the target indoor heat exchanger corresponding to the current indoor environment temperature according to the temperature difference range between the preset indoor environment temperature and the temperature of the indoor heat exchanger.
11. 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 5.
12. 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 1-5 when executing the program.
13. An air conditioner characterized by comprising the air conditioner control device according to any one of claims 6 to 10.
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| CN201811271273.4A CN109442690B (en) | 2018-10-29 | 2018-10-29 | Air conditioner control method and device, storage medium and air conditioner |
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