CN114593503B - Anti-condensation control method and device for air conditioner, storage medium and computer equipment - Google Patents
Anti-condensation control method and device for air conditioner, storage medium and computer equipment Download PDFInfo
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- CN114593503B CN114593503B CN202210208382.1A CN202210208382A CN114593503B CN 114593503 B CN114593503 B CN 114593503B CN 202210208382 A CN202210208382 A CN 202210208382A CN 114593503 B CN114593503 B CN 114593503B
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
- F24F11/43—Defrosting; Preventing freezing of indoor units
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—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
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F2110/00—Control inputs relating to air properties
- F24F2110/10—Temperature
- F24F2110/12—Temperature of the outside air
-
- 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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- 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)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Human Computer Interaction (AREA)
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- Air Conditioning Control Device (AREA)
Abstract
The invention provides an anti-condensation control method and device for an air conditioner, a storage medium and computer equipment, wherein the control method comprises the following steps: when a compressor of an air conditioner is started, acquiring a first indoor temperature; when the working time length of the compressor is larger than a preset time length threshold value, acquiring a second indoor temperature, an outdoor temperature, an evaporating pan temperature and the working frequency of the compressor; obtaining a first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature; obtaining anti-condensation judgment results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity according to preset anti-condensation conditions; obtaining anti-condensation judgment results at a plurality of moments; and when the continuous anti-condensation judgment result is that the number of the first results reaches the preset result number threshold value, driving the air conditioner to enter an anti-condensation mode. The invention can detect the condensation condition of the air conditioner without the humidity sensor and drive the air conditioner to enter the anti-condensation mode.
Description
Technical Field
The invention relates to the technical field of control of anti-condensation of air conditioners, in particular to an anti-condensation control method and device of an air conditioner, a storage medium and computer equipment.
Background
An air conditioner, also known as an air conditioner, is a device that can regulate and control parameters such as temperature, humidity, flow rate, etc. of ambient air within a building or structure. The air conditioners are various in types and different in price, so that a plurality of air conditioners without humidity sensors are available on the market, the air conditioners without the humidity sensors cannot directly detect the condensation condition of the air conditioners, and the air conditioners without the humidity sensors often have the condensation condition during working, so that the use experience of users is affected.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings in the prior art and provides an anti-condensation control method, device, storage medium and computer equipment for an air conditioner, which can detect the condensation condition of the air conditioner without a humidity sensor and drive the corresponding air conditioner to enter an anti-condensation mode, so that the influence of the condensation of the air conditioner on a user is reduced, and the practical experience of the user is improved.
One embodiment of the present invention provides an anti-condensation control method for an air conditioner, including:
when a compressor of an air conditioner is started, acquiring a first indoor temperature;
when the working time length of the compressor is larger than a preset time length threshold value, acquiring a second indoor temperature, an outdoor temperature, an evaporating pan temperature and the working frequency of the compressor;
obtaining a first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature;
obtaining anti-condensation judgment results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity according to preset anti-condensation conditions;
acquiring anti-condensation judgment results at corresponding moments according to preset time intervals, and driving the air conditioner to enter an anti-condensation mode when the number of the first results of the continuous anti-condensation judgment results reaches a preset result number threshold; the first result is used for indicating that the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at corresponding moments meet the anti-condensation condition.
Compared with the prior art, the anti-condensation control method for the air conditioner can calculate the indoor relative humidity according to the gear mapping value, the second indoor temperature, the outdoor temperature and the evaporating pan temperature, obtain anti-condensation judgment results at corresponding moments according to the first indoor temperature, the second indoor temperature and the relative humidity, obtain anti-condensation judgment results at a plurality of moments according to preset time intervals, and drive the air conditioner to enter an anti-condensation mode when the number of the first continuous anti-condensation judgment results reaches a preset result number threshold. Under the condition that the air conditioner is not provided with the humidity sensor, the condensation condition of the air conditioner is detected, the corresponding air conditioner is driven to enter the anti-condensation mode, the influence of the condensation of the air conditioner on a user is reduced, and therefore the practical experience of the user is improved.
In one embodiment, the step of obtaining the first indoor relative humidity according to the operating frequency, the second indoor temperature, the outdoor temperature, and the evaporation pan temperature includes:
acquiring an outdoor temperature correction value, a second indoor temperature correction value and an air guide vane angle correction value;
according to the working frequency, a working gear mapping value is obtained;
obtaining an indoor wet bulb temperature according to the evaporation pan temperature, the working gear mapping value, the second indoor temperature, the outdoor temperature correction value, the second indoor temperature correction value and the air guide vane angle correction value;
and obtaining the first indoor relative humidity according to the indoor wet bulb temperature and the second indoor temperature.
Under the condition that a humidity sensor is not arranged, the indoor wet bulb temperature at the corresponding moment is calculated, and then the first indoor relative humidity can be calculated according to the indoor wet bulb temperature and the second indoor temperature.
In one embodiment, the step of obtaining the indoor wet bulb temperature according to the evaporation pan temperature, the working gear mapping value, the second indoor temperature, the outdoor temperature correction value, the second indoor temperature correction value, and the air guide vane angle correction value includes:
The indoor wet bulb temperature is calculated by the following formula:
TS＝Tp+Ty-Tw×Bz1-Tn2×Bz2+Bz3；
wherein, ts is indoor wet bulb temperature, tp is evaporating pan temperature, ty is gear mapping value, tw is outdoor temperature, tn2 is second indoor temperature, bz1 is preset outdoor temperature correction value, bz2 is preset second indoor temperature correction value, bz3 is preset air guide vane angle correction value;
the step of obtaining the first indoor relative humidity according to the indoor wet bulb temperature and the second indoor temperature comprises the following steps:
calculating the relative humidity in the first chamber by the following formula:
where RH is the relative humidity in the first chamber and e is a mathematical constant.
By the above calculation formula, the relative humidity in the first chamber can be calculated without a humidity sensor.
In one embodiment, the step of obtaining the working gear mapping value according to the working frequency includes:
according to the relation between the preset working frequency and the working gear, the working gear corresponding to the working frequency is obtained;
and obtaining a gear mapping value corresponding to the working gear according to the relation between the preset working gear and the gear mapping value.
The working gear mapping value corresponding to the working frequency can be obtained through a preset relation.
In one embodiment, the step of obtaining the anti-condensation judgment result of the first indoor temperature, the second indoor temperature, the outdoor temperature, and the first indoor relative humidity according to the anti-condensation condition includes:
if the second indoor temperature is greater than or equal to a preset indoor temperature threshold, the outdoor temperature is less than a preset outdoor temperature threshold, the difference between the second indoor temperature and the first indoor temperature is less than or equal to a preset temperature change threshold, the first indoor relative humidity is greater than a preset first humidity threshold, and a corresponding anti-condensation judgment result is determined to be a first result.
And comparing the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity with corresponding preset thresholds to judge whether the corresponding anti-condensation judgment result is a first result.
In one embodiment, the step of driving the air conditioner into the anti-condensation mode includes:
reducing the working frequency of the compressor according to a preset frequency reduction rule;
and adjusting the air guide blade of the air conditioner to enable the air guide blade to be parallel to the air outlet direction of the air conditioner, and increasing the rotating speed of a fan of an indoor unit of the air conditioner.
By reducing the working frequency of the compressor and increasing the rotating speed of the fan, the temperature of air output by the air conditioner can be increased, and the temperature difference between the output temperature of the air conditioner and the indoor air temperature can be reduced, so that the occurrence probability of condensation is reduced.
In one embodiment, after the driving the air conditioner into the anti-condensation mode, the method further includes the following steps:
acquiring a second indoor relative humidity of the air conditioner after entering an anti-condensation mode, and driving the air conditioner to exit the anti-condensation mode if the second indoor relative humidity is smaller than a preset second humidity threshold; wherein the second humidity threshold is less than the first humidity threshold.
One embodiment of the present invention also provides an anti-condensation control device for an air conditioner, including:
the first indoor temperature acquisition module is used for acquiring the first indoor temperature when the compressor of the air conditioner is started;
the data acquisition module is used for acquiring a second indoor temperature, an outdoor temperature, an evaporation disc temperature and the working frequency of the compressor when the working time of the compressor is longer than a preset time threshold;
the relative humidity acquisition module is used for acquiring the first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature;
The anti-condensation judging module is used for acquiring anti-condensation judging results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity according to preset anti-condensation conditions;
the anti-condensation mode starting module is used for acquiring anti-condensation judging results at corresponding moments according to preset time intervals, and driving the air conditioner to enter an anti-condensation mode when the number of the first results of the continuous anti-condensation judging results reaches a preset result number threshold; the first result is used for indicating that the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at corresponding moments meet the anti-condensation condition.
Compared with the prior art, the anti-condensation control device for the air conditioner can calculate the indoor relative humidity according to the gear mapping value, the second indoor temperature, the outdoor temperature and the evaporating pan temperature, obtain anti-condensation judgment results at corresponding moments according to the first indoor temperature, the second indoor temperature and the relative humidity, obtain anti-condensation judgment results at a plurality of moments according to preset time intervals, and drive the air conditioner to enter an anti-condensation mode when the number of the first continuous anti-condensation judgment results reaches a preset result number threshold. Under the condition that the air conditioner is not provided with the humidity sensor, the condensation condition of the air conditioner is detected, the corresponding air conditioner is driven to enter the anti-condensation mode, the influence of the condensation of the air conditioner on a user is reduced, and therefore the practical experience of the user is improved.
An embodiment of the present invention also provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the air conditioner anti-condensation control method as described above.
An embodiment of the present invention also provides a computer apparatus including a memory, a processor, and a computer program stored in the memory and executable by the processor, the processor implementing the steps of the anti-condensation control method for an air conditioner as described above when executing the computer program.
In order that the invention may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.
Drawings
Fig. 1 is a flowchart of an anti-condensation control method of an air conditioner according to an embodiment of the present invention.
Fig. 2 is a flowchart illustrating a step S3 of an anti-condensation control method of an air conditioner according to an embodiment of the present invention.
Fig. 3 is a block diagram illustrating an anti-condensation control apparatus for an air conditioner according to an embodiment of the present invention.
1. A first indoor temperature acquisition module; 2. a data acquisition module; 3. a relative humidity acquisition module; 4. the condensation prevention judging module; 5. the anti-condensation mode starts the module.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present application more apparent, the following detailed description of the embodiments of the present application will be given with reference to the accompanying drawings.
It should be understood that the described embodiments are merely some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the embodiments of the present application, are within the scope of the embodiments of the present application.
When the following description refers to the accompanying drawings, the same numbers in different drawings refer to the same or similar elements, unless otherwise indicated. In the description of this application, it should be understood that the terms "first," "second," "third," and the like are used merely to distinguish between similar objects and are not necessarily used to describe a particular order or sequence, nor should they be construed to indicate or imply relative importance. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be. As used in this application and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The word "if"/"if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination".
Furthermore, in the description of the present application, unless otherwise indicated, "a plurality" means two or more. "and/or", describes an association relationship of an association object, and indicates that there may be three relationships, for example, a and/or B, and may indicate: a exists alone, A and B exist together, and B exists alone. The character "/" generally indicates that the context-dependent object is an "or" relationship.
The invention discloses an air conditioner corresponding to an anti-condensation control method of the air conditioner, which is an air conditioner without a humidity sensor, and at least comprises an indoor unit, an outdoor unit, a compressor, a condenser, an evaporator, a four-way valve, a capillary tube, a refrigerant and the like, wherein the indoor unit is arranged indoors, the outdoor unit is arranged outdoors, the indoor unit is connected with the outdoor unit through a pipeline, the compressor, the condenser, the four-way valve and the capillary tube are arranged in the outdoor unit, the evaporator is arranged in the indoor unit, the compressor, the condenser, the four-way valve, the evaporator, the four-way valve and the capillary tube are sequentially connected, and the capillary tube is connected with the compressor, so that closed loop connection is formed, and the refrigerant circulates in the closed loop connection in a fluid mode.
The compressor is used for compressing and driving the refrigerant in the air conditioner refrigerant loop, the compressor is generally arranged in the outdoor unit, the compressor pumps the refrigerant from the low-pressure area to be compressed and then sent to the high-pressure area for cooling and condensing, and the refrigerant also changes into liquid state from gas state through the radiating fins, so that the pressure is increased. Specifically, the working circuit of the compressor is divided into an evaporation zone (low-pressure zone) and a condensation zone (high-pressure zone). The indoor unit and the outdoor unit of the air conditioner respectively belong to a low-voltage or high-voltage area (depending on the working state). The refrigerant flows from the high pressure region to the low pressure region, is sprayed into the evaporator through the capillary tube, the pressure suddenly drops, the liquid refrigerant immediately turns into a gas state, and a large amount of heat in the air is absorbed through the radiating fins. Therefore, the air conditioner compressor continuously works, and the heat at one end of the low-pressure area is absorbed into the refrigerant and then sent to the high-pressure area to be emitted into the air, so that the air temperature is regulated.
The condenser has the function of sucking the working medium steam with lower pressure from the evaporator, raising the pressure of the working medium steam, sending the working medium steam into the condenser, condensing the working medium steam into liquid with higher pressure in the condenser, throttling the working medium steam into liquid with lower pressure through a throttle valve, sending the liquid into the evaporator, and absorbing heat in the evaporator to evaporate the liquid into steam with lower pressure, thereby completing the refrigeration cycle. For some applications, the gas must pass through an elongated tube (typically coiled into a solenoid) to dissipate heat into the surrounding air, and thermally conductive metals such as copper are commonly used to transport the vapor. Fins are often added to the tubing to increase the efficiency of the condenser to speed up heat dissipation. The heat sink is a flat plate made of a metal with good heat conductivity.
The evaporator is formed by tubes inside the indoor unit and sleeved with fins. And means for concentrating the solution by heating or precipitating crystal grains from the solution. Mainly comprises a heating chamber and an evaporating chamber. The heating chamber provides heat required for evaporation to the liquid, causing the liquid to boil and evaporate; the evaporating chamber makes the gas-liquid phase completely separate. The vapor generated in the heating chamber carries a large amount of liquid foam, which is separated from the vapor by self-condensation or the action of a demister or the like after reaching the evaporating chamber of a large space.
The four-way valve is a control valve with four oil ports and is an indispensable component in refrigeration equipment.
The capillary assembly includes a capillary tube and a one-way valve. The check valve is widely applied to an air conditioner outdoor unit and consists of an auxiliary capillary tube and a check valve, and check valve components of machines of different types of air conditioners are different in size. There is an arrow on the one-way valve which indicates that the flow can only be in the direction of the arrow and the reverse direction is stopped and only through the auxiliary capillary. The one-way valve assembly is installed below and behind the outdoor unit and is covered by a black shock-absorbing block to perform the function of silencing. The check valve assembly is only used in the air conditioning heating process, and the check valve assembly is not used in refrigeration. The one-way valve assembly has the functions of increasing the flow resistance of the refrigerant, reducing the flow speed of the refrigerant, fully evaporating the refrigerant in the outdoor unit, changing the refrigerant gas discharged by the compressor into refrigerant liquid and improving the air conditioning heat effect.
The working process of the air conditioner is as follows: the compressor compresses the gaseous refrigerant into high-temperature and high-pressure gas, sends the gas to the condenser for cooling, and then turns into medium-temperature and high-pressure liquid refrigerant after cooling, and then enters the drying bottle for filtering and dehumidifying, and the medium-temperature liquid refrigerant is gasified by the four-way valve and capillary throttling pressure low-temperature and low-pressure gas-liquid mixture (more liquid) through the evaporator to absorb the heat in the air, becomes gas, and then returns to the compressor for continuous compression, and continuously circulates for refrigeration. When heating, the indoor unit blows cold air and the outdoor unit blows hot air.
Referring to fig. 1, an anti-condensation control method of an air conditioner according to an embodiment of the invention is executed by a control motherboard of the air conditioner, and includes:
s1: when the compressor of the air conditioner is started, a first indoor temperature is obtained.
Preferably, the step S1 is performed when the air conditioner is switched to the cooling or dehumidifying mode, because the temperature of the air outlet of the indoor air conditioner is far lower than the room temperature when the air conditioner is in the cooling or dehumidifying mode, and water vapor in the air is more easily condensed, and thus, the condensation phenomenon is easily generated when the air conditioner is in the cooling or dehumidifying mode.
The first indoor temperature may be acquired by means for detecting an indoor ambient temperature, in the case of the conventional air conditioner, a temperature detection module for detecting the indoor temperature, such as a temperature sensor provided in the indoor, is generally provided.
S2: and when the working time length of the compressor is larger than a preset time length threshold value, acquiring a second indoor temperature, an outdoor temperature, an evaporating pan temperature and the working frequency of the compressor.
The second room temperature is also obtained by means for detecting the ambient temperature, for example a temperature sensor arranged in the room.
The outdoor temperature may be obtained by a means for detecting an outdoor ambient temperature, such as a temperature sensor disposed outdoors, preferably, the temperature sensor disposed outdoors is remote from an outdoor unit of the air conditioner, so as to prevent the outdoor unit of the air conditioner from affecting the detection of the outdoor ambient temperature.
The evaporating pan temperature refers to the temperature of the evaporating pan in the air conditioner, the evaporating pan of the air conditioner is generally positioned in an indoor unit, is composed of pipes and sleeved with fins, is a heat exchange device for absorbing heat of a cooling medium by means of evaporation of refrigerant liquid, and has the function of outputting cold energy to the outside in the air conditioner.
The preset time period threshold may be set by factory setting, for example, to 5 minutes, 10 minutes, 20 minutes, or the like.
S3: and obtaining the first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature.
In the step S3, the operating frequency, the second indoor temperature, the outdoor temperature, and the evaporation pan temperature are used at the same time, and the obtained first indoor relative humidity corresponds to the time.
S4: and acquiring anti-condensation judgment results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity according to preset anti-condensation conditions.
In the step S4, the anti-condensation determination result is obtained based on the first indoor temperature, the second indoor temperature, the outdoor temperature, and the first indoor relative humidity at the same time, and therefore the anti-condensation determination result corresponds to the time.
S5: acquiring anti-condensation judgment results at corresponding moments according to preset time intervals, and driving the air conditioner to enter an anti-condensation mode when the number of the first results of the continuous anti-condensation judgment results reaches a preset result number threshold; the first result is used for indicating that the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at corresponding moments meet the anti-condensation condition.
The anti-condensation judging result at each moment is obtained based on the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at the corresponding moment, and the first indoor relative humidity at each moment is obtained based on the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature at the corresponding moment.
In this embodiment, according to the anti-condensation control method of an air conditioner, indoor relative humidity can be calculated according to the gear mapping value, the second indoor temperature, the outdoor temperature and the evaporating pan temperature, anti-condensation judgment results at corresponding moments are obtained according to the first indoor temperature, the second indoor temperature and the relative humidity, anti-condensation judgment results at multiple moments are obtained according to preset time intervals, and when the number of the first continuous anti-condensation judgment results reaches a preset result number threshold, the air conditioner is driven to enter an anti-condensation mode. Under the condition that the air conditioner is not provided with the humidity sensor, the condensation condition of the air conditioner is detected, the corresponding air conditioner is driven to enter the anti-condensation mode, the influence of the condensation of the air conditioner on a user is reduced, and therefore the practical experience of the user is improved.
Referring to fig. 2, in one possible embodiment, the step of obtaining the first indoor relative humidity according to the operating frequency, the second indoor temperature, the outdoor temperature, and the evaporation pan temperature includes:
s31: and acquiring an outdoor temperature correction value, a second indoor temperature correction value and an air guide vane angle correction value.
The parameter range of the outdoor temperature correction value is 0-100, the specific value of the parameter range of the outdoor temperature correction value depends on the outdoor temperature at the corresponding moment, the parameter range of the second indoor temperature correction value is 0-100, the specific value of the parameter range of the air guide blade angle correction value depends on the second indoor temperature at the corresponding moment, the specific value of the parameter range of the air guide blade angle correction value depends on the air guide blade angle at the corresponding moment, and the air guide blade angle can be a rotation angle of the air guide blade relative to the closing time of the air conditioner or an included angle of the air guide blade and the wind direction of an air outlet. The above outdoor temperature correction value, the second indoor temperature correction value and the wind guide vane angle correction value can be obtained by establishing a preset mapping relationship.
S32: and obtaining a working gear mapping value according to the working frequency.
Specifically, the step S32 includes:
s321: and obtaining the working gear corresponding to the working frequency according to the relation between the preset working frequency and the working gear.
S322: and obtaining a gear mapping value corresponding to the working gear according to the relation between the preset working gear and the gear mapping value.
For example, an operating range corresponding to a range of 10-30Hz for the operating frequency of the compressor may be set as a low range, an operating range corresponding to a range of 30-70Hz for the operating frequency may be set as a medium range, an operating range corresponding to a range of more than 70Hz for the operating frequency may be set as a high range, and the low range, the medium range, and the high range may each correspond to different gear map values. Thereby, the working gear mapping value corresponding to the working frequency is obtained through the preset relation.
S33: and obtaining the indoor wet bulb temperature according to the evaporation disc temperature, the working gear mapping value, the second indoor temperature, the outdoor temperature correction value, the second indoor temperature correction value and the air guide vane angle correction value.
S34: and obtaining the first indoor relative humidity according to the indoor wet bulb temperature and the second indoor temperature.
In this embodiment, the indoor wet bulb temperature at the corresponding time is calculated first without the humidity sensor, and then the first indoor relative humidity may be calculated according to the indoor wet bulb temperature and the second indoor temperature.
In a possible embodiment, the step of obtaining the indoor wet bulb temperature according to the evaporation pan temperature, the working gear mapping value, the second indoor temperature, the outdoor temperature correction value, the second indoor temperature correction value, and the air guide vane angle correction value includes:
the indoor wet bulb temperature is calculated by the following formula:
Ts＝Tp+Ty-TW×Bz1-Tn2×Bz2+Bz3；
wherein, ts is indoor wet bulb temperature, tp is evaporating pan temperature, ty is gear mapping value, TW is outdoor temperature, tn2 is second indoor temperature, bz1 is preset outdoor temperature correction value, bz2 is preset second indoor temperature correction value, bz3 is preset air guide vane angle correction value.
The step of obtaining the first indoor relative humidity according to the indoor wet bulb temperature and the second indoor temperature comprises the following steps:
calculating the relative humidity in the first chamber by the following formula:
where RH is the relative humidity in the first chamber and e is a mathematical constant.
In this embodiment, the relative humidity in the first chamber may be calculated without a humidity sensor by the above calculation formula.
In a possible embodiment, the step of obtaining the anti-condensation judgment result of the first indoor temperature, the second indoor temperature, the outdoor temperature, and the first indoor relative humidity according to the anti-condensation condition includes:
if the second indoor temperature is greater than or equal to a preset indoor temperature threshold, the outdoor temperature is less than a preset outdoor temperature threshold, the difference between the second indoor temperature and the first indoor temperature is less than or equal to a preset temperature change threshold, the first indoor relative humidity is greater than a preset first humidity threshold, and a corresponding anti-condensation judgment result is determined to be a first result.
In this embodiment, the first indoor temperature, the second indoor temperature, the outdoor temperature, and the first indoor relative humidity are compared with corresponding preset thresholds to determine whether the corresponding anti-condensation determination result is the first result. Wherein the first humidity threshold is a percentage value, and may be 60%, 70%, etc.
In a possible embodiment, the step of driving the air conditioner into the anti-condensation mode includes:
S51: and reducing the working frequency of the compressor according to a preset frequency reduction rule.
The frequency reduction rule may be to reduce the working frequency of the compressor according to a preset proportion, or reduce the working frequency of the compressor according to a preset fixed value. Preferably, when the operating frequency of the compressor is reduced, the operating frequency of the compressor cannot be lower than a preset minimum fixed value, for example, the minimum fixed value may be 0Hz, 10Hz, or the like.
S52: and adjusting the air guide blade of the air conditioner to enable the air guide blade to be parallel to the air outlet direction of the air conditioner, and increasing the rotating speed of a fan of an indoor unit of the air conditioner.
In this embodiment, the steps S51 and S52 may be performed synchronously, or may be performed sequentially in a preset order, for example, it may be preset that the step S52 is performed first and then the step S51 is performed. By reducing the working frequency of the compressor and increasing the rotating speed of the fan, the temperature of air output by the air conditioner can be increased, and the temperature difference between the output temperature of the air conditioner and the indoor air temperature can be reduced, so that the occurrence probability of condensation is reduced.
In a possible embodiment, after the driving the air conditioner into the anti-condensation mode, the method further includes the following steps:
Acquiring a second indoor relative humidity of the air conditioner after entering an anti-condensation mode, and driving the air conditioner to exit the anti-condensation mode if the second indoor relative humidity is smaller than a preset second humidity threshold; wherein the second humidity threshold is less than the first humidity threshold.
In this embodiment, when the relative humidity in the second room after the air conditioner enters the anti-condensation mode is smaller than a preset second humidity threshold, it indicates that the condensation phenomenon is not easy to occur, so that the air conditioner can be driven to exit the anti-condensation mode.
Referring to fig. 3, an embodiment of the present invention further provides an anti-condensation control device for an air conditioner, including:
a first indoor temperature obtaining module 1, configured to obtain a first indoor temperature when a compressor of an air conditioner is started;
the data acquisition module 2 is used for acquiring a second indoor temperature, an outdoor temperature, an evaporation disc temperature and the working frequency of the compressor when the working time of the compressor is longer than a preset time threshold;
a relative humidity acquisition module 3 for acquiring a first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature;
The anti-condensation judging module 4 is configured to obtain anti-condensation judging results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity according to preset anti-condensation conditions;
the anti-condensation mode starting module 5 is used for acquiring anti-condensation judging results at corresponding moments according to preset time intervals, and driving the air conditioner to enter an anti-condensation mode when the number of the first results reaches a preset result number threshold value; the first result is used for indicating that the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at corresponding moments meet the anti-condensation condition.
The compressor is used for compressing and driving the refrigerant in the air conditioner refrigerant loop, the compressor is generally arranged in the outdoor unit, the compressor pumps the refrigerant from the low-pressure area to be compressed and then sent to the high-pressure area for cooling and condensing, and the refrigerant also changes into liquid state from gas state through the radiating fins, so that the pressure is increased. Specifically, the working circuit of the compressor is divided into an evaporation zone (low-pressure zone) and a condensation zone (high-pressure zone). The indoor unit and the outdoor unit of the air conditioner respectively belong to a low-voltage or high-voltage area (depending on the working state). The refrigerant flows from the high pressure region to the low pressure region, is sprayed into the evaporator through the capillary tube, the pressure suddenly drops, the liquid refrigerant immediately turns into a gas state, and a large amount of heat in the air is absorbed through the radiating fins. Therefore, the air conditioner compressor continuously works, and the heat at one end of the low-pressure area is absorbed into the refrigerant and then sent to the high-pressure area to be emitted into the air, so that the air temperature is regulated.
The first indoor temperature may be obtained by a means for detecting an indoor ambient temperature, and in the existing air conditioner, a temperature detection module for detecting an indoor temperature, such as a temperature sensor provided in the indoor, is generally provided.
The second room temperature is also obtained by means for detecting the ambient temperature.
The outdoor temperature may be obtained by a means for detecting an outdoor ambient temperature, such as a temperature sensor provided outdoors.
The evaporating pan temperature refers to the temperature of the evaporating pan in the air conditioner, the evaporating pan of the air conditioner is generally positioned in an indoor unit, is composed of pipes and sleeved with fins, is a heat exchange device for absorbing heat of a cooling medium by means of evaporation of refrigerant liquid, and has the function of outputting cold energy to the outside in the air conditioner.
The anti-condensation judgment result at each time is obtained based on the first indoor temperature, the second indoor temperature, the outdoor temperature, and the first indoor relative humidity at the corresponding time, and the first indoor relative humidity at each time is obtained based on the operating frequency, the second indoor temperature, the outdoor temperature, and the evaporation pan temperature at the corresponding time.
In this embodiment, according to the anti-condensation control device for an air conditioner of the present invention, indoor relative humidity may be calculated according to the gear mapping value, the second indoor temperature, the outdoor temperature and the evaporation pan temperature, anti-condensation judgment results at corresponding moments may be obtained according to the first indoor temperature, the second indoor temperature and the relative humidity, then anti-condensation judgment results at multiple moments may be obtained according to a preset time interval, and when the number of continuous anti-condensation judgment results is that the number of first results reaches a preset result number threshold, the air conditioner is driven to enter an anti-condensation mode. Under the condition that the air conditioner is not provided with the humidity sensor, the condensation condition of the air conditioner is detected, the corresponding air conditioner is driven to enter the anti-condensation mode, the influence of the condensation of the air conditioner on a user is reduced, and therefore the practical experience of the user is improved.
An embodiment of the present invention also provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the air conditioner anti-condensation control method as described above.
An embodiment of the present invention also provides a computer apparatus including a memory, a processor, and a computer program stored in the memory and executable by the processor, the processor implementing the steps of the anti-condensation control method for an air conditioner as described above when executing the computer program.
The above-described apparatus embodiments are merely illustrative, wherein the components illustrated as separate components may or may not be physically separate, and the components shown as units may or may not be physical units, may be located in one place, or may be distributed over a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purposes of the present application. Those of ordinary skill in the art will understand and implement the present invention without undue burden.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems) and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks. These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart block or blocks and/or block diagram block or blocks.
In one typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include volatile memory in a computer-readable medium, random Access Memory (RAM) and/or nonvolatile memory, etc., such as Read Only Memory (ROM) or flash RAM. Memory is an example of a computer-readable medium.
Computer readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of storage media for a computer include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Discs (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. Computer-readable media, as defined herein, does not include transitory computer-readable media (transmission media), such as modulated data signals and carrier waves.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article or apparatus that comprises an element.
The foregoing is merely exemplary of the present application and is not intended to limit the present application. Various modifications and changes may be made to the present application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc. which are within the spirit and principles of the present application are intended to be included within the scope of the claims of the present application.
Claims (8)
1. The anti-condensation control method for the air conditioner is characterized by comprising the following steps of:
when a compressor of an air conditioner is started, acquiring a first indoor temperature;
when the working time length of the compressor is larger than a preset time length threshold value, acquiring a second indoor temperature, an outdoor temperature, an evaporating pan temperature and the working frequency of the compressor;
Obtaining a first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature;
according to preset anti-condensation conditions, obtaining anti-condensation judgment results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity, wherein the anti-condensation judgment results comprise: if the second indoor temperature is greater than or equal to a preset indoor temperature threshold, the outdoor temperature is less than a preset outdoor temperature threshold, the difference between the second indoor temperature and the first indoor temperature is less than or equal to a preset temperature change threshold, the first indoor relative humidity is greater than a preset first humidity threshold, and a corresponding anti-condensation judgment result is determined to be a first result;
acquiring anti-condensation judgment results at corresponding moments according to preset time intervals, and driving the air conditioner to enter an anti-condensation mode when the number of the first results of the continuous anti-condensation judgment results reaches a preset result number threshold; the first result is used for indicating that the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at corresponding moments meet the anti-condensation conditions;
Wherein the step of obtaining the first indoor relative humidity according to the operating frequency, the second indoor temperature, the outdoor temperature and the evaporation pan temperature includes:
acquiring an outdoor temperature correction value, a second indoor temperature correction value and an air guide vane angle correction value;
according to the working frequency, a working gear mapping value is obtained;
obtaining an indoor wet bulb temperature according to the evaporation pan temperature, the working gear mapping value, the second indoor temperature, the outdoor temperature correction value, the second indoor temperature correction value and the air guide vane angle correction value;
and obtaining the first indoor relative humidity according to the indoor wet bulb temperature and the second indoor temperature.
2. The condensation preventing control method of an air conditioner according to claim 1, wherein:
the step of obtaining the indoor wet bulb temperature according to the evaporation pan temperature, the working gear mapping value, the second indoor temperature, the outdoor temperature correction value, the second indoor temperature correction value and the air guide blade angle correction value comprises the following steps:
the indoor wet bulb temperature is calculated by the following formula:
；
Wherein,is the indoor wet bulb temperature +.>For evaporating pan temperature, +.>For gear map value, +.>For outdoor temperature->For the second room temperature, +.>Is a preset outdoor temperature correction value, +.>Compensating the preset second indoor temperature by a positive value, < >>The correction value of the angle of the wind guide blade is preset;
the step of obtaining the first indoor relative humidity according to the indoor wet bulb temperature and the second indoor temperature comprises the following steps:
calculating the relative humidity in the first chamber by the following formula:
；
wherein,for the first indoor relative humidity,/o>Are mathematical constants.
3. The method of claim 1, wherein the step of obtaining the operating range map value according to the operating frequency comprises:
according to the relation between the preset working frequency and the working gear, the working gear corresponding to the working frequency is obtained;
and obtaining a gear mapping value corresponding to the working gear according to the relation between the preset working gear and the gear mapping value.
4. A condensation prevention control method for an air conditioner according to any one of claims 1 to 3, wherein said step of driving said air conditioner into a condensation prevention mode comprises:
Reducing the working frequency of the compressor according to a preset frequency reduction rule;
and adjusting the air guide blade of the air conditioner to enable the air guide blade to be parallel to the air outlet direction of the air conditioner, and increasing the rotating speed of a fan of an indoor unit of the air conditioner.
5. The method of controlling anti-condensation of an air conditioner according to any one of claims 1 to 3, further comprising the steps of, after said driving said air conditioner into said anti-condensation mode:
acquiring a second indoor relative humidity of the air conditioner after entering an anti-condensation mode, and driving the air conditioner to exit the anti-condensation mode if the second indoor relative humidity is smaller than a preset second humidity threshold; wherein the second humidity threshold is less than the first humidity threshold.
6. An anti-condensation control apparatus for an air conditioner applying the anti-condensation control method for an air conditioner according to any one of claims 1 to 5, comprising:
the first indoor temperature acquisition module is used for acquiring the first indoor temperature when the compressor of the air conditioner is started;
the data acquisition module is used for acquiring a second indoor temperature, an outdoor temperature, an evaporation disc temperature and the working frequency of the compressor when the working time of the compressor is longer than a preset time threshold;
The relative humidity acquisition module is used for acquiring the first indoor relative humidity according to the working frequency, the second indoor temperature, the outdoor temperature and the evaporating pan temperature;
the anti-condensation judging module is used for acquiring anti-condensation judging results corresponding to the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity according to preset anti-condensation conditions;
the anti-condensation mode starting module is used for acquiring anti-condensation judging results at corresponding moments according to preset time intervals, and driving the air conditioner to enter an anti-condensation mode when the number of the first results of the continuous anti-condensation judging results reaches a preset result number threshold; the first result is used for indicating that the first indoor temperature, the second indoor temperature, the outdoor temperature and the first indoor relative humidity at corresponding moments meet the anti-condensation condition.
7. A computer-readable storage medium storing a computer program, characterized in that: the computer program when executed by a processor implements the steps of the anti-condensation control method for an air conditioner according to any one of claims 1 to 5.
8. A computer device, characterized by: comprising a memory, a processor and a computer program stored in the memory and executable by the processor, the processor implementing the steps of the anti-condensation control method of an air conditioner according to any one of claims 1 to 5 when the computer program is executed.
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