CN113685984A - Method and device for air conditioner control and air conditioner - Google Patents

Method and device for air conditioner control and air conditioner Download PDF

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CN113685984A
CN113685984A CN202110875538.7A CN202110875538A CN113685984A CN 113685984 A CN113685984 A CN 113685984A CN 202110875538 A CN202110875538 A CN 202110875538A CN 113685984 A CN113685984 A CN 113685984A
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temperature difference
temperature
frequency
compressor
indoor
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CN113685984B (en
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肖克强
宁贻江
张蕾
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Chongqing Haier Air Conditioner Co Ltd
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Qingdao Haier Air Conditioner Gen Corp Ltd
Qingdao Haier Air Conditioning Electric Co Ltd
Haier Smart Home Co Ltd
Chongqing Haier Air Conditioner Co Ltd
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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
    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/77—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by controlling the speed of ventilators
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

本申请涉及智能家电技术领域，公开一种用于空调控制的方法，包括：在空调制冷运行的情况下，获得室内环境温度Tin、露点温度T1和室内机盘管温度T2；确定室内环境温度Tin与设定温度Tset的第一温度差△T1；根据第一温度差△T1确定温差范围；调节室内风机的转速和压缩机的频率，以改变室内机盘管温度T2，使露点温度T1和室内机盘管温度T2的第二温度差△T2保持在温差范围内。如此，将温度差保持在合适区间，能够在防凝露的同时保证较好的制冷效果。本申请还公开一种用于空调控制的装置和空调。

Figure 202110875538

The present application relates to the technical field of smart home appliances, and discloses a method for air-conditioning control, which includes: obtaining an indoor ambient temperature T in , a dew-point temperature T 1 and an indoor unit coil temperature T 2 under the condition that the air-conditioner is running for refrigeration; The first temperature difference ΔT 1 between the ambient temperature T in and the set temperature T set ; the temperature difference range is determined according to the first temperature difference ΔT 1 ; the rotational speed of the indoor fan and the frequency of the compressor are adjusted to change the indoor unit coil temperature T 2. Keep the second temperature difference ΔT 2 between the dew point temperature T 1 and the indoor unit coil temperature T 2 within the temperature difference range. In this way, the temperature difference is kept in an appropriate range, which can prevent condensation and ensure a better cooling effect. The present application also discloses a device for air conditioning control and an air conditioner.

Figure 202110875538

Description

Method and device for air conditioner control and air conditioner
Technical Field
The application relates to the technical field of intelligent household appliances, in particular to a method and a device for controlling an air conditioner and the air conditioner.
Background
When the air conditioner operates in a refrigerating mode, condensation often occurs. The problem of effectively solving air conditioner condensation is one of the technical problems in the development process of air conditioner products. The existing method for controlling the air conditioner adjusts the operation frequency of a compressor of the air conditioner according to the size relation between the temperature of an indoor unit coil and a target dew point temperature, and under the condition that the temperature of the indoor unit coil is higher than the target dew point temperature, the operation frequency of the compressor is increased, otherwise, the operation frequency of the compressor is reduced to change the temperature of the indoor unit coil, and the condensation probability is reduced by controlling the temperature of the indoor unit coil.
In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:
in order to enable the temperature of the coil pipe of the indoor unit to fall within the target dew point temperature range, the temperature of the coil pipe of the indoor unit can be increased, so that the refrigeration effect of the air conditioner is weakened, and the condensation prevention effect and the refrigeration effect cannot be considered at the same time.
Disclosure of Invention
The following presents a simplified summary in order to provide a basic understanding of some aspects of the disclosed embodiments. This summary is not an extensive overview nor is intended to identify key/critical elements or to delineate the scope of such embodiments but rather as a prelude to the more detailed description that is presented later.
The embodiment of the disclosure provides a method and a device for controlling an air conditioner and the air conditioner, so that a better refrigeration effect is ensured while condensation is prevented.
In some embodiments, the method for air conditioning control includes: obtaining indoor environment temperature T under the condition of air conditioner refrigeration operationinDew point temperature T1And the temperature T of the coil pipe of the indoor unit2(ii) a Determining indoor ambient temperature TinAnd a set temperature TsetFirst temperature difference Δ T of1(ii) a According to the first temperature difference DeltaT1Determining a temperature difference range; adjusting the speed of the indoor fan and the frequency of the compressor to vary the temperature T of the coil of the indoor unit2To make the dew point temperature T1And the temperature T of the coil pipe of the indoor unit2Second temperature difference DeltaT of2And is maintained within the temperature difference range.
In some embodiments, Δ T is based on the first temperature difference1Determining a temperature difference range, comprising: at Δ T1The temperature difference range is a first temperature difference range under the condition that the temperature is more than or equal to t; at Δ T1If t is less than t, the temperature difference range is a second temperature difference range; wherein t is a set threshold; the first temperature difference range has a value greater than the second temperature difference range.
In some embodiments, adjusting the speed of the indoor fan and the frequency of the compressor comprises: and the rotating speed of the indoor fan and the frequency of the compressor are regulated by adopting a proportional-integral-derivative PID regulation mode.
In some embodiments, the adjusting the speed of the indoor fan and the frequency of the compressor by PID adjustment comprises: at Δ T1Increasing the rotating speed of the indoor fan under the condition that the rotating speed is more than or equal to t; at Δ T1When the duration of the time t reaches the first time length, adjusting the rotating speed of the indoor fan to a first preset rotating speed, and adjusting the frequency of the compressor; wherein adjusting the frequency of the compressor comprises: at Δ T2Reducing the frequency of the compressor if the value is greater than the second temperature difference range; at Δ T2Less than the value of the second temperature difference range, the frequency of the compressor is increased.
In some embodiments, after increasing the rotation speed of the indoor fan, the method further includes: determination of DeltaT1And reducing the frequency of the compressor under the condition that the duration of the time is more than or equal to t and reaches the second time.
In some embodiments, Δ T1Not less than T, the dew point temperature T1And the temperature T of the coil pipe of the indoor unit2Second temperature difference DeltaT of2After the temperature difference is kept in the range, the method further comprises the following steps: at Δ T2And under the condition that the time length kept in the first temperature difference range reaches the third time length, adjusting the frequency of the compressor to the preset frequency, and adjusting the rotating speed of the indoor fan to the second preset rotating speed.
In some embodiments, the method for air conditioning control further comprises: under the condition that the time length of the air conditioner running at the preset frequency and the second preset rotating speed reaches the fourth time length, the rotating speed of the indoor fan and the frequency of the compressor are adjusted to change T2Let a Δ T2Is maintained within a first temperature differential range.
In some embodiments, before adjusting the rotation speed of the indoor fan and the frequency of the compressor, the method further includes: determination of TinAnd TsetIs less than a predetermined temperature difference and the indoor relative humidity is less than a predetermined humidity.
In some embodiments, the apparatus for climate control includes a processor and a memory storing program instructions, the processor being configured to execute the above-described method for climate control when executing the program instructions.
In some embodiments, the air conditioner includes the above-described apparatus for air conditioning control.
The method and the device for controlling the air conditioner and the air conditioner provided by the embodiment of the disclosure can realize the following technical effects:
the method comprises the steps of obtaining a first temperature difference between the indoor environment temperature and a set temperature and a second temperature difference between the dew point temperature and the indoor unit coil pipe temperature by obtaining the indoor environment temperature, the dew point temperature and the indoor unit coil pipe temperature, and adjusting the frequency of a compressor and the rotating speed of an indoor fan according to the first temperature difference to keep the second temperature difference within a set interval. Compared with the prior art, this scheme is with two factors of the current refrigeration condition of air conditioner and condensation probability comprehensive consideration, because dew point temperature and the temperature difference of interior coil pipe temperature can reflect and prevent condensation effect and refrigeration effect, the temperature difference is big more, and refrigeration effect is better, and the temperature difference is little more, and it is better to prevent the condensation effect, consequently keeps the temperature difference in suitable interval, can guarantee better refrigeration effect when preventing the condensation.
The foregoing general description and the following description are exemplary and explanatory only and are not restrictive of the application.
Drawings
One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the accompanying drawings and not in limitation thereof, in which elements having the same reference numeral designations are shown as like elements and not in limitation thereof, and wherein:
fig. 1 is a flowchart of a method for air conditioning control according to an embodiment of the present disclosure;
fig. 2 is a flowchart of another method for air conditioning control according to an embodiment of the present disclosure;
fig. 3 is a flowchart of another method for air conditioning control according to an embodiment of the present disclosure;
fig. 4 is a flowchart of another method for air conditioning control according to an embodiment of the present disclosure;
fig. 5 is a flowchart of another method for air conditioning control according to an embodiment of the present disclosure;
fig. 6 is a flowchart of another method for air conditioning control according to an embodiment of the present disclosure;
fig. 7 is a schematic diagram of an apparatus for air conditioning control according to an embodiment of the present disclosure.
Detailed Description
So that the manner in which the features and elements of the disclosed embodiments can be understood in detail, a more particular description of the disclosed embodiments, briefly summarized above, may be had by reference to the embodiments, some of which are illustrated in the appended drawings. In the following description of the technology, for purposes of explanation, numerous details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, one or more embodiments may be practiced without these details. In other instances, well-known structures and devices may be shown in simplified form in order to simplify the drawing.
The terms "first," "second," and the like in the description and in the claims, and the above-described drawings of embodiments of the present disclosure, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the present disclosure described herein may be made. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.
The term "plurality" means two or more unless otherwise specified.
In the embodiment of the present disclosure, the character "/" indicates that the preceding and following objects are in an or relationship. For example, A/B represents: a or B.
The term "and/or" is an associative relationship that describes objects, meaning that three relationships may exist. For example, a and/or B, represents: a or B, or A and B.
The term "correspond" may refer to an association or binding relationship, and a corresponds to B refers to an association or binding relationship between a and B.
The PMV (Predicted Mean volume) mode is an automatic control mode, in which the user does not need to adjust the temperature by himself, the air conditioner automatically judges the indoor and outdoor ambient temperatures, automatically selects the cooling or heating mode, and automatically sets the optimum comfortable temperature.
The method for controlling the air conditioner provided by the embodiment of the disclosure can be applied to the air conditioner with the PMV mode, and the air conditioner is operated in a cooling mode in the PMV mode.
As shown in fig. 1, an embodiment of the present disclosure provides a method for air conditioning control, including:
s01, under the condition of air-conditioning refrigeration operation, the processor obtains the indoor environment temperature TinDew point, dew pointTemperature T1And the temperature T of the coil pipe of the indoor unit2。
S02, the processor determines the indoor environment temperature TinAnd a set temperature TsetFirst temperature difference Δ T of1。
S03, the processor is used for calculating the first temperature difference Delta T1A temperature difference range is determined.
Optionally, the processor is responsive to the first temperature difference Δ T1Determining a temperature difference range, comprising: at Δ T1The temperature difference range is a first temperature difference range under the condition that the temperature is more than or equal to t; at Δ T1If t is less than t, the temperature difference range is a second temperature difference range; wherein t is a set threshold; the first temperature difference range has a value greater than the second temperature difference range.
Here, the first temperature difference range may be (5, 8), and the second temperature difference range may be (3, 5); an optional interval for setting the threshold is (1, 3), with a preferred value of 2 ℃.
Therefore, the selected first temperature difference range is a temperature value range which can enable the refrigeration effect and the anti-condensation effect to be better under the condition that the first temperature difference is greater than or equal to the set threshold value; the selected second temperature difference range is a temperature value range which can enable the refrigeration effect and the anti-condensation effect to be better under the condition that the first temperature difference is smaller than the set threshold value.
S04, the processor adjusts the rotating speed of the indoor fan and the frequency of the compressor to change the temperature T of the coil pipe of the indoor unit2To make the dew point temperature T1And the temperature T of the coil pipe of the indoor unit2Second temperature difference DeltaT of2And is maintained within the temperature difference range.
Optionally, the processor adjusts the speed of the indoor fan and the frequency of the compressor, including: the processor adjusts the rotating speed of the indoor fan and the frequency of the compressor in a Proportional-Integral-Derivative (PID) adjusting mode.
So, the mode through PID regulation adjusts the rotational speed of indoor fan and the frequency of compressor, makes the regulation rapider, and the regulating error is little, and can guarantee air conditioning system steady operation in the accommodation process.
Optionally, the processor regulates the indoor fanBefore the rotating speed and the frequency of the compressor, the method further comprises the following steps: processor determines TinAnd TsetIs less than a predetermined temperature difference and the indoor relative humidity is less than a predetermined humidity.
Here, TinAnd TsetTemperature difference of (2) is denoted as TinAnd TsetThe temperature difference between the relatively high temperature and the relatively low temperature; the temperature difference is smaller than the preset temperature difference, which indicates that the temperature difference between the indoor environment temperature and the set temperature is smaller; the indoor relative humidity is less than the preset humidity, which means that the indoor relative humidity is not too high. Specifically, the preset temperature difference may be 3 ℃ and the preset humidity may be 80%.
Therefore, the PID control is carried out under the conditions that the temperature difference between the indoor environment temperature and the set temperature is small and the humidity is not large, the advantage of PID adjustment can be better played, and the refrigeration effect is better.
By adopting the method for controlling the air conditioner, provided by the embodiment of the disclosure, the first temperature difference between the indoor environment temperature and the set temperature and the second temperature difference between the dew point temperature and the coil temperature of the indoor unit are obtained by obtaining the indoor environment temperature, the dew point temperature and the coil temperature of the indoor unit, and the frequency of the compressor and the rotating speed of the indoor fan are adjusted according to the first temperature difference, so that the second temperature difference is kept in the set interval. Compared with the prior art, this scheme is with two factors of the current refrigeration condition of air conditioner and condensation probability comprehensive consideration, because dew point temperature and the temperature difference of interior coil pipe temperature can reflect and prevent condensation effect and refrigeration effect, the temperature difference is big more, and refrigeration effect is better, and the temperature difference is little more, and it is better to prevent the condensation effect, consequently keeps the temperature difference in suitable interval, can guarantee better refrigeration effect when preventing the condensation.
As shown in fig. 2, an embodiment of the present disclosure provides a method for air conditioning control, including:
s11, under the condition of air-conditioning refrigeration operation, the processor obtains the indoor environment temperature TinDew point temperature T1And the temperature T of the coil pipe of the indoor unit2。
S12, the processor determines the indoor environment temperature TinAnd a set temperature TsetFirst temperature ofDegree difference Delta T1。
S13, the processor is used for calculating the first temperature difference Delta T1A temperature difference range is determined.
S14, the processor determines TinAnd TsetIs less than a predetermined temperature difference and the indoor relative humidity is less than a predetermined humidity.
S15, the processor adjusts the rotating speed of the indoor fan and the frequency of the compressor to change the temperature T of the coil pipe of the indoor unit2To make the dew point temperature T1And the temperature T of the coil pipe of the indoor unit2Second temperature difference DeltaT of2And is maintained within the temperature difference range.
By adopting the method for controlling the air conditioner, provided by the embodiment of the disclosure, the first temperature difference between the indoor environment temperature and the set temperature and the second temperature difference between the dew point temperature and the coil temperature of the indoor unit are obtained by obtaining the indoor environment temperature, the dew point temperature and the coil temperature of the indoor unit, and the frequency of the compressor and the rotating speed of the indoor fan are adjusted according to the first temperature difference, so that the second temperature difference is kept in the set interval. Compared with the prior art, this scheme is with two factors of the current refrigeration condition of air conditioner and condensation probability comprehensive consideration, because dew point temperature and the temperature difference of interior coil pipe temperature can reflect and prevent condensation effect and refrigeration effect, the temperature difference is big more, and refrigeration effect is better, and the temperature difference is little more, and it is better to prevent the condensation effect, consequently keeps the temperature difference in suitable interval, can guarantee better refrigeration effect when preventing the condensation.
As shown in fig. 3, an embodiment of the present disclosure provides a method for air conditioning control, including:
s21, under the condition of air-conditioning refrigeration operation, the processor obtains the indoor environment temperature TinDew point temperature T1And the temperature T of the coil pipe of the indoor unit2。
S22, the processor determines the indoor environment temperature TinAnd a set temperature TsetFirst temperature difference Δ T of1。
S23, the processor determines TinAnd TsetIs less than a predetermined temperature difference and the indoor relative humidity is less than a predetermined humidity.
S24, processingAccording to a first temperature difference DeltaT1A temperature difference range is determined.
S25, the processor adjusts the rotating speed of the indoor fan and the frequency of the compressor to change the temperature T of the coil pipe of the indoor unit2To make the dew point temperature T1And the temperature T of the coil pipe of the indoor unit2Second temperature difference DeltaT of2And is maintained within the temperature difference range.
By adopting the method for controlling the air conditioner, provided by the embodiment of the disclosure, the first temperature difference between the indoor environment temperature and the set temperature and the second temperature difference between the dew point temperature and the coil temperature of the indoor unit are obtained by obtaining the indoor environment temperature, the dew point temperature and the coil temperature of the indoor unit, and the frequency of the compressor and the rotating speed of the indoor fan are adjusted according to the first temperature difference, so that the second temperature difference is kept in the set interval. Compared with the prior art, this scheme is with two factors of the current refrigeration condition of air conditioner and condensation probability comprehensive consideration, because dew point temperature and the temperature difference of interior coil pipe temperature can reflect and prevent condensation effect and refrigeration effect, the temperature difference is big more, and refrigeration effect is better, and the temperature difference is little more, and it is better to prevent the condensation effect, consequently keeps the temperature difference in suitable interval, can guarantee better refrigeration effect when preventing the condensation.
As shown in fig. 4, an embodiment of the present disclosure provides a method for air conditioning control, including:
s31, under the condition of air-conditioning refrigeration operation, the processor obtains the indoor environment temperature TinDew point temperature T1And the temperature T of the coil pipe of the indoor unit2。
S32, the processor determines TinAnd TsetIs less than a predetermined temperature difference and the indoor relative humidity is less than a predetermined humidity.
S33, the processor determines the indoor environment temperature TinAnd a set temperature TsetFirst temperature difference Δ T of1。
S34, the processor is used for calculating the first temperature difference Delta T1A temperature difference range is determined.
S35, the processor adjusts the rotating speed of the indoor fan and the frequency of the compressor to change the temperature T of the coil pipe of the indoor unit2To make the dew point temperature T1And the temperature T of the coil pipe of the indoor unit2Second temperature difference DeltaT of2And is maintained within the temperature difference range.
By adopting the method for controlling the air conditioner, provided by the embodiment of the disclosure, the first temperature difference between the indoor environment temperature and the set temperature and the second temperature difference between the dew point temperature and the coil temperature of the indoor unit are obtained by obtaining the indoor environment temperature, the dew point temperature and the coil temperature of the indoor unit, and the frequency of the compressor and the rotating speed of the indoor fan are adjusted according to the first temperature difference, so that the second temperature difference is kept in the set interval. Compared with the prior art, this scheme is with two factors of the current refrigeration condition of air conditioner and condensation probability comprehensive consideration, because dew point temperature and the temperature difference of interior coil pipe temperature can reflect and prevent condensation effect and refrigeration effect, the temperature difference is big more, and refrigeration effect is better, and the temperature difference is little more, and it is better to prevent the condensation effect, consequently keeps the temperature difference in suitable interval, can guarantee better refrigeration effect when preventing the condensation.
In some embodiments, the first temperature difference Δ T1Greater than or equal to a set threshold t. On this premise, a flowchart of a method for air conditioning control is shown in fig. 5. In conjunction with fig. 5, the method includes:
s41, the processor determines the temperature difference range as a first temperature difference range.
S42, the processor increases the rotating speed of the indoor fan and determines delta T1When the duration of T or more reaches the second duration, the frequency of the compressor is reduced to make DeltaT2Is maintained within a first temperature differential range.
Here, the manner of increasing the rotation speed of the indoor fan may be to shift the wind speed gear of the indoor fan. The second time period may be one minute.
And S43, under the condition that the time length of the delta T2 kept in the first temperature difference range reaches the third time length, the processor adjusts the frequency of the compressor to the preset frequency, and the rotating speed of the indoor fan is adjusted to the second preset rotating speed.
Here, the time period during which Δ T2 is maintained within the first temperature difference range reaches the third time period, which indicates that the air conditioner continues an operation state for an excessively long time and more moisture is generated in the indoor unit. Specifically, the third time period may be 4 hours.
The preset frequency refers to the minimum value in the adjustable range of the frequency of the air conditioner compressor, and is 15Hz for example.
The second preset rotating speed refers to the maximum value in the adjustable range of the rotating speed of the fan in the air conditioner room, and is 1000 revolutions per minute for example.
S44, when the air conditioner runs at the preset frequency and the second preset rotating speed for a fourth time, the processor adjusts the rotating speed of the indoor fan and the frequency of the compressor to change T2Let a Δ T2Is maintained within a first temperature differential range.
Here, the time period in which the air conditioner is operated at the preset frequency and the second preset rotation speed reaches the fourth time period indicates that the moisture in the indoor unit is effectively removed. In this case, the rotation speed of the indoor fan and the frequency of the compressor are adjusted again to Δ T2Kept in the appropriate interval. Specifically, the fourth time period may be 15 minutes.
By adopting the method for controlling the air conditioner, the two factors of the current refrigeration condition and the condensation probability of the air conditioner are comprehensively considered, and the dew point temperature and the temperature difference of the temperature of the inner coil can reflect the condensation preventing effect and the refrigeration effect, the larger the temperature difference is, the better the refrigeration effect is, the smaller the temperature difference is, the better the condensation preventing effect is, so that the temperature difference is kept in a proper interval, and the better refrigeration effect can be ensured while condensation is prevented.
In some embodiments, the first temperature difference Δ T1Is less than the set threshold t. On this premise, a flowchart of a method for air conditioning control is shown in fig. 6. In conjunction with fig. 6, the method includes:
s51, the processor determines the temperature difference range as a second temperature difference range.
S52, at DeltaT1And when the duration of the time less than t reaches the first time, the processor adjusts the rotating speed of the indoor fan to a first preset rotating speed.
Here, DeltaT1The duration of < t reaches a first duration, indicating that the current indoor ambient temperature is closer to the set temperature. Specifically, the first duration may be 5 minutes.
The first preset rotating speed refers to the minimum value in the rotating speed adjustable range of the indoor fan of the air conditioner. Specifically, the first preset rotation speed may be 800 revolutions per hour.
S53, at DeltaT2When the value is larger than the second temperature difference range, the processor reduces the frequency of the compressor to enable the delta T2Maintaining within a second temperature differential range; at Δ T2The processor increases the frequency of the compressor to a value less than the second temperature differential range2And maintained within a second temperature differential range.
By adopting the method for controlling the air conditioner, the two factors of the current refrigeration condition and the condensation probability of the air conditioner are comprehensively considered, and the dew point temperature and the temperature difference of the temperature of the inner coil can reflect the condensation preventing effect and the refrigeration effect, the larger the temperature difference is, the better the refrigeration effect is, the smaller the temperature difference is, the better the condensation preventing effect is, so that the temperature difference is kept in a proper interval, and the better refrigeration effect can be ensured while condensation is prevented.
As shown in fig. 7, an embodiment of the present disclosure provides an apparatus for controlling an air conditioner, including a processor (processor)100 and a memory (memory) 101. Optionally, the apparatus may also include a Communication Interface (Communication Interface)102 and a bus 103. The processor 100, the communication interface 102, and the memory 101 may communicate with each other via a bus 103. The communication interface 102 may be used for information transfer. The processor 100 may call logic instructions in the memory 101 to perform the method for air conditioning control of the above-described embodiment.
In addition, the logic instructions in the memory 101 may be implemented in the form of software functional units and stored in a computer readable storage medium when the logic instructions are sold or used as independent products.
The memory 101, which is a computer-readable storage medium, may be used for storing software programs, computer-executable programs, such as program instructions/modules corresponding to the methods in the embodiments of the present disclosure. The processor 100 executes functional applications and data processing by executing program instructions/modules stored in the memory 101, that is, implements the method for air conditioning control in the above-described embodiments.
The memory 101 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. In addition, the memory 101 may include a high-speed random access memory, and may also include a nonvolatile memory.
The embodiment of the disclosure provides an air conditioner, which comprises the device for controlling the air conditioner.
Embodiments of the present disclosure provide a storage medium storing computer-executable instructions configured to perform the above-described method for air conditioner control.
The storage medium described above may be a transitory computer-readable storage medium or a non-transitory computer-readable storage medium.
The technical solution of the embodiments of the present disclosure may be embodied in the form of a software product, where the computer software product is stored in a storage medium and includes one or more instructions to enable 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 of the embodiments of the present disclosure. And the aforementioned storage medium may be a non-transitory storage medium comprising: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes, and may also be a transient storage medium.
The above description and drawings sufficiently illustrate embodiments of the disclosure to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely typify possible variations. Individual components and functions are optional unless explicitly required, and the sequence of operations may vary. Portions and features of some embodiments may be included in or substituted for those of others. Furthermore, the words used in the specification are words of description only and are not intended to limit the claims. As used in the description of the embodiments and the claims, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Similarly, the term "and/or" as used in this application is meant to encompass any and all possible combinations of one or more of the associated listed. Furthermore, the terms "comprises" and/or "comprising," when used in this application, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. Without further limitation, an element defined by the phrase "comprising an …" does not exclude the presence of other like elements in a process, method or apparatus that comprises the element. In this document, each embodiment may be described with emphasis on differences from other embodiments, and the same and similar parts between the respective embodiments may be referred to each other. For methods, products, etc. of the embodiment disclosures, reference may be made to the description of the method section for relevance if it corresponds to the method section of the embodiment disclosure.
Those of skill in the art would appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software may depend upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the disclosed embodiments. It can be clearly understood by the skilled person that, for convenience and brevity of description, the specific working processes of the system, the apparatus and the unit described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the embodiments disclosed herein, the disclosed methods, products (including but not limited to devices, apparatuses, etc.) may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units may be merely a logical division, and in actual implementation, there may be another division, for example, multiple units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form. The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to implement the present embodiment. In addition, functional units in the embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The flowchart and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of systems, methods and computer program products according to embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). In some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. In the description corresponding to the flowcharts and block diagrams in the figures, operations or steps corresponding to different blocks may also occur in different orders than disclosed in the description, and sometimes there is no specific order between the different operations or steps. For example, two sequential operations or steps may in fact be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved. Each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations, can be implemented by special purpose hardware-based systems that perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.

Claims (10)

1.一种用于空调控制的方法，其特征在于，包括：1. A method for air-conditioning control, comprising: 在空调制冷运行的情况下，获得室内环境温度Tin、露点温度T1和室内机盘管温度T2；In the case of the air-conditioning cooling operation, obtain the indoor ambient temperature T in , the dew point temperature T 1 and the indoor unit coil temperature T 2 ; 确定所述室内环境温度Tin与设定温度Tset的第一温度差△T1；determining the first temperature difference ΔT 1 between the indoor ambient temperature T in and the set temperature T set ; 根据所述第一温度差△T1确定温差范围；Determine the temperature difference range according to the first temperature difference ΔT1; 调节室内风机的转速和压缩机的频率，以改变室内机盘管温度T2，使露点温度T1和室内机盘管温度T2的第二温度差△T2保持在所述温差范围内。The rotational speed of the indoor fan and the frequency of the compressor are adjusted to change the indoor unit coil temperature T 2 so that the second temperature difference ΔT 2 between the dew point temperature T 1 and the indoor unit coil temperature T 2 is maintained within the temperature difference range. 2.根据权利要求1所述的方法，其特征在于，所述根据所述第一温度差△T1确定温差范围，包括：2 . The method according to claim 1 , wherein the determining the temperature difference range according to the first temperature difference ΔT 1 comprises: 2 . 在△T1≥t的情况下，所述温差范围为第一温差范围；In the case of ΔT 1 ≥t, the temperature difference range is the first temperature difference range; 在△T1＜t的情况下，所述温差范围为第二温差范围；In the case of ΔT 1 <t, the temperature difference range is the second temperature difference range; 其中，t为设定阈值；所述第一温差范围的数值大于所述第二温差范围的数值。Wherein, t is a set threshold; the value of the first temperature difference range is greater than the value of the second temperature difference range. 3.根据权利要求2所述的方法，其特征在于，所述调节室内风机的转速和压缩机的频率，包括：3. The method according to claim 2, wherein the adjusting the rotational speed of the indoor fan and the frequency of the compressor comprises: 采用比例积分微分PID调节的方式调节所述室内风机的转速和压缩机的频率。The rotational speed of the indoor fan and the frequency of the compressor are adjusted by means of proportional-integral-derivative PID adjustment. 4.根据权利要求3所述的方法，其特征在于，所述采用比例积分微分PID调节的方式调节室内风机的转速和压缩机的频率，包括：4. method according to claim 3, is characterized in that, described adopting the mode of proportional integral derivative PID regulation to adjust the rotating speed of indoor fan and the frequency of compressor, comprising: 在△T1≥t的情况下，调高所述室内风机的转速；In the case of ΔT 1 ≥t, increase the rotational speed of the indoor fan; 在△T1＜t的持续时长达到第一时长情况下，调节所述室内风机的转速至第一预设转速，并调节所述压缩机的频率；When the duration of ΔT 1 <t reaches the first duration, adjusting the rotational speed of the indoor fan to a first preset rotational speed, and adjusting the frequency of the compressor; 其中，所述调节所述压缩机的频率，包括：Wherein, the adjusting the frequency of the compressor includes: 在△T2大于所述第二温差范围的数值的情况下，降低所述压缩机的频率；In the case that ΔT 2 is greater than the value of the second temperature difference range, reducing the frequency of the compressor; 在△T2小于所述第二温差范围的数值的情况下，升高所述压缩机的频率。In the case that ΔT 2 is smaller than the value of the second temperature difference range, the frequency of the compressor is increased. 5.根据权利要求4所述的方法，其特征在于，所述调高所述室内风机的转速之后，还包括：5. The method according to claim 4, wherein after increasing the rotational speed of the indoor fan, the method further comprises: 确定△T1≥t的持续时长达到第二时长的情况下，降低所述压缩机的频率。When it is determined that the duration of ΔT 1 ≧t reaches the second duration, the frequency of the compressor is reduced. 6.根据权利要求2所述的方法，其特征在于，△T1≥t，所述使露点温度T1和室内机盘管温度T2的第二温度差△T2保持在所述温差范围内之后，还包括：6. The method according to claim 2, wherein ΔT 1 ≥ t, and the second temperature difference ΔT 2 between the dew point temperature T 1 and the indoor unit coil temperature T 2 is kept within the temperature difference range After that, it also includes: 在△T2保持在所述第一温差范围内的时长达到第三时长的情况下，调节所述压缩机的频率至预设频率，所述室内风机的转速至第二预设转速。When ΔT 2 is kept within the first temperature difference range for a third time period, the frequency of the compressor is adjusted to a preset frequency, and the rotational speed of the indoor fan is adjusted to a second preset rotational speed. 7.根据权利要求6所述的方法，其特征在于，还包括：7. The method of claim 6, further comprising: 在所述空调以所述预设频率和所述第二预设转速运行的时长达到第四时长的情况下，调节室内风机的转速和压缩机的频率，以改变T2，使△T2保持在所述第一温差范围内。When the air conditioner operates at the preset frequency and the second preset rotation speed for a fourth period of time, adjust the rotation speed of the indoor fan and the frequency of the compressor to change T 2 to keep ΔT 2 within the first temperature difference range. 8.根据权利要求1至7任一项所述的方法，其特征在于，所述调节室内风机的转速和压缩机的频率之前，还包括：8. The method according to any one of claims 1 to 7, wherein before the adjusting the rotational speed of the indoor fan and the frequency of the compressor, the method further comprises: 确定所述Tin与Tset的温度差小于预设温差，并且室内相对湿度小于预设湿度。It is determined that the temperature difference between T in and T set is less than the preset temperature difference, and the indoor relative humidity is less than the preset humidity. 9.一种用于空调控制的装置，包括处理器和存储有程序指令的存储器，其特征在于，所述处理器被配置为在运行所述程序指令时，执行如权利要求1至8任一项所述的用于空调控制的方法。9. An apparatus for air-conditioning control, comprising a processor and a memory storing program instructions, wherein the processor is configured to execute any one of claims 1 to 8 when executing the program instructions The method for air conditioning control described in item. 10.一种空调，其特征在于，包括如权利要求9所述的用于空调控制的装置。10. An air conditioner, characterized by comprising the device for air conditioner control as claimed in claim 9.
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