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CN111536651A - Air conditioner water fullness prevention control method and device, air conditioner and computer readable storage medium - Google Patents

Air conditioner water fullness prevention control method and device, air conditioner and computer readable storage medium Download PDF

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Publication number
CN111536651A
CN111536651A CN202010255122.0A CN202010255122A CN111536651A CN 111536651 A CN111536651 A CN 111536651A CN 202010255122 A CN202010255122 A CN 202010255122A CN 111536651 A CN111536651 A CN 111536651A
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China
Prior art keywords
water level
preset
compressor
chassis
air conditioner
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Granted
Application number
CN202010255122.0A
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Chinese (zh)
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CN111536651B (en
Inventor
黄军
冷晓刚
林伟伟
高擎
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Aux Air Conditioning Co Ltd
Ningbo Aux Electric Co Ltd
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Priority to CN202010255122.0A priority Critical patent/CN111536651B/en
Publication of CN111536651A publication Critical patent/CN111536651A/en
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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
    • 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
    • F24F11/00—Control or safety arrangements
    • F24F11/88—Electrical aspects, e.g. 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
    • F24F13/222—Means for preventing condensation or evacuating condensate for 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
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/20—Humidity
    • 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)
  • Fluid Mechanics (AREA)
  • Thermal Sciences (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention provides a method and a device for controlling water fullness prevention of an air conditioner, the air conditioner and a computer readable storage medium, wherein the air conditioner comprises a chassis, an evaporator side fan and a compressor, and the control method comprises the following steps: detecting a chassis water level and an environment relative humidity, wherein the chassis water level is represented by H, and the environment relative humidity is represented by RH; and adjusting the running gear of an evaporator side fan and/or the running frequency of a compressor according to the detected comparison result of the chassis water level and the preset water level and the detected comparison result of the environment relative humidity and the preset humidity. According to the invention, the running gear of the fan at the evaporator side and/or the running frequency of the compressor are dynamically adjusted according to the change of the water level of the chassis and the relative humidity of the environment, so that the water level of the chassis is controlled, and the situations of full water or low water level and the like are prevented.

Description

Air conditioner water fullness prevention control method and device, air conditioner and computer readable storage medium
Technical Field
The invention relates to the field of air conditioners, in particular to a method and a device for controlling water fullness prevention of an air conditioner, the air conditioner and a computer readable storage medium.
Background
The mobile air conditioner breaks through the traditional design concept, is small in size, does not need to be installed, can be randomly placed in different houses, is different from the traditional air conditioner, an evaporator and a condenser of the mobile air conditioner are in the same unit, in the process of refrigeration operation, condensate water generated by the evaporator is sprayed to a water receiving disc on the lower portion of the condenser, and water is continuously sprayed to the condenser through the rotation of a water spraying motor driving water spraying wheel, so that the heat exchange effect of the condenser is enhanced.
Based on the characteristic that the mobile air conditioner can be placed at will, how to prevent the mobile air conditioner from overflowing the base due to overhigh water level is very important to avoid wetting the floor, when the mobile air conditioner is used for refrigeration at present, a large amount of condensed water is generated at the evaporator side, and then the condensed water is sprayed by a water throwing motor arranged on the base plate, so that the automatic consumption of the condensed water is realized.
Based on the characteristic that the mobile air conditioner can be placed at will, how to prevent the mobile air conditioner from overflowing the base due to overhigh water level is very important to avoid wetting the floor, when the mobile air conditioner is used for refrigeration at present, a large amount of condensed water is generated at the evaporator side, and then the condensed water is sprayed by a water throwing motor arranged on the base plate, so that the automatic consumption of the condensed water is realized. When the mobile air conditioner runs under high humidity, the evaporator generates much condensed water, so that the mobile air conditioner is frequently protected by water full, and the user experience effect is poor. When the condenser runs under low humidity, the condensate water generated by the evaporator is less, the water throwing motor can not uniformly pump water, the heat exchange effect of the condenser is deteriorated, and the power consumption of the system is increased.
In view of the above, the present invention is particularly proposed.
Disclosure of Invention
The invention solves the problems that in the prior art, the mobile air conditioner is frequently protected by being full of water under high humidity, or the condensed water is insufficient under low humidity, so that the heat exchange efficiency is poor.
To solve the above problems, the present invention provides a method, an apparatus, an air conditioner and a computer readable storage medium for controlling the fullness of water in the air conditioner, which dynamically adjusts the rotation speed of the motor on the evaporator side and/or the operation frequency of the compressor according to the water level of the floor and the relative humidity of the environment, reasonably adjusts the rotation speed of the motor on the evaporator side and/or the operation frequency of the compressor under different relative humidities of the indoor environment under the condition of ensuring the cooling capacity of the air conditioner, so that the motor on the evaporator side operates at a higher rotation speed and/or the compressor operates at a lower frequency under the high humidity environment, the motor on the evaporator side operates at a lower rotation speed and/or the compressor operates at a higher frequency under the low humidity environment, by adjusting the generation speed and/or the consumption speed of the condensate water under different humidity conditions, the control of the water level of the mobile air conditioner chassis is realized, so that the effect of water fullness prevention is achieved.
The invention discloses a water fullness prevention control method for an air conditioner, wherein the air conditioner comprises a chassis, an evaporator side fan and a compressor, and the control method comprises the following steps: detecting a chassis water level and environment relative humidity, wherein the chassis water level is represented by H, the environment relative humidity is represented by RH, and adjusting the operation gear of an evaporator side fan and/or the operation frequency of a compressor according to the comparison result of the detected chassis water level and the preset water level and the comparison result of the detected environment relative humidity and the preset humidity.
Specifically, the air conditioner also comprises a water beating motor, a water beating impeller, an evaporator and a condenser, wherein in the running process of the air conditioner, the evaporator runs to generate condensed water, the condensed water is contained in the chassis, the water beating motor beats the condensed water into water mist, the water mist is evaporated by the condenser, so that the consumption of the condensed water is completed, the water level of the chassis is controlled, however, under different humidity conditions, the speed of the evaporator generating the condensed water is greatly different, so that the water level of the chassis is greatly influenced, the running frequency of the compressor influences the running efficiency of the evaporator, so that the speed of the evaporator generating the condensed water is influenced, the running gear of a fan at the evaporator side influences the heat exchange efficiency at the evaporator side, further influences the consumption speed of the condensed water, and the consumption and/or the generation speed of the condensed water can be controlled by adjusting the running gear of a fan at the evaporator side and/or the running frequency of the compressor, thereby controlling the water level of the chassis and preventing the phenomenon of water fullness.
Further, the operating frequency of the compressor is gradually reduced along with the rise of the water level of the chassis, and/or the operating gear of the evaporator side fan is gradually increased along with the rise of the water level of the chassis.
When the water level of the chassis is gradually increased, the generation amount of the condensed water is required to be reduced and/or the consumption amount of the condensed water is required to be increased, so that the operation frequency of the compressor is required to be reduced and/or the operation gear of the evaporator side fan is required to be increased; when the water level of the chassis is gradually lowered, the amount of the generated condensate water needs to be increased and/or the amount of the consumed condensate water needs to be reduced, so that the operating frequency of the compressor needs to be increased and/or the operating gear of the evaporator side fan needs to be lowered.
Further, the water level of the chassis is compared with a preset water level, the preset water level comprises a first preset water level and a second preset water level, and the first preset water level is H1Indicating, the second preset water level is H2Is represented by, and H1＜H2(ii) a When H is less than H1When the evaporator side fan is operated at a low wind speed and/or the compressor is operated at a first preset frequencyBy f1Represents; when H is more than or equal to H2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a second preset frequency which is f2Represents; and f is1＞f2。
The first water level of predetermineeing is low water level early warning level, and when the chassis water level was less than first when predetermineeing the water level, the water level in the chassis was crossed lowly, and the comdenstion water is too little, and the motor of fetching water can't evenly be fetched water, influences the performance of air conditioner, the second is predetermine the water level and is high water level early warning level, and when the chassis water level was higher than the second when predetermineeing the water level, the comdenstion water in the chassis approached to full water state, and the air conditioner has the risk of water full protection or shut down, can predetermine first mode of predetermineeing and the second and predetermine the mode, first mode of predetermineeing is: when the water level of the chassis is too high or too low, the running gear of a fan at the evaporator side and/or the running frequency of a compressor are/is adjusted directly according to the comparison relation between the detection result of the water level of the chassis and the preset water level; the second preset mode is as follows: when the water level of the chassis is in the middle position, the operation gear of a fan at the evaporator side and/or the operation frequency of a compressor are/is adjusted according to the comparison relation between the detection result of the relative humidity of the environment and the preset humidity by combining the detection result of the relative humidity of the environment; for H1、H2The quantitative value of (a) needs to be set according to the maximum water level height and the specific size of the water beating impeller, and is not particularly limited herein, when H is less than H1In the scheme, the first preset frequency f is lower, the condensate water in the chassis is less, the water throwing motor cannot uniformly pump water, the heat exchange effect of the condenser is poor, the power consumption of the system is increased, and the evaporator side fan operates at a low wind level to reduce the consumption of the condensate water1For higher frequencies, the compressor is operated at a first predetermined frequency f1The operation can improve the operation efficiency of the evaporator, and further improve the generation amount of condensate water, so that the water level of the chassis is raised, the evaporation temperature of the system is low at the moment, and a fan at the evaporator side can reach the preset temperature by operating at a low wind level without influencing the use experience of a user; when H is more than or equal to H2When the water level in the chassis is higher, the chassis is quickly full if reasonable treatment measures are not taken, and the side fan of the evaporator is higherThe consumption of condensed water can be accelerated by the wind gear operation, and the second preset frequency f2At a lower frequency, the compressor is at a second predetermined frequency f2The operation can reduce the operating efficiency of evaporimeter to reduce the output of comdenstion water, system's evaporating temperature is on the high side this moment, and evaporimeter side fan makes ambient temperature keep at preset temperature with high grade operation, and then ensures customer's use and experiences, and the air conditioner needs to produce fast or consume the comdenstion water fast under these two kinds of circumstances, consequently need not consider the influence of environment relative humidity.
Further, f is1Between 100Hz and 120 Hz; f is2Between 5-25 Hz.
Here, under the first preset condition, the highest frequency range and the lowest frequency range of the compressor operation, the compressor operation under the highest frequency can make the generation amount of the condensed water to be the highest, thereby raising the water level of the chassis, and the operation under the lowest frequency can make the generation amount of the condensed water to be the lowest, thereby cooperating with the operation of the side fan of the evaporator to quickly consume the condensed water, and making the water level of the condensed water in the chassis to be reduced.
Further, the water level of the chassis is compared with a preset water level, the preset water level comprises a first preset water level and a second preset water level, and the first preset water level is H1Indicating, the second preset water level is H2Is represented by, and H1＜H2(ii) a When H is present1≤H＜H2And adjusting the running gear of the fan at the evaporator side and/or the running frequency of the compressor according to the detected comparison result of the environment relative humidity RH and the preset humidity.
And at the moment, the water level of the chassis is in a middle position, and the operating gear of the fan on the evaporator side and/or the operating frequency of the compressor are determined according to a second preset mode and the relative humidity of the environment.
Further, the operation frequency of the compressor is gradually reduced along with the increase of the relative humidity of the environment, and/or the operation gear of the evaporator side fan is gradually increased along with the increase of the relative humidity of the environment.
When the relative humidity of the environment gradually rises, the generation amount of the condensed water needs to be reduced and/or the consumption amount of the condensed water needs to be increased, so that the operation frequency of the compressor needs to be reduced and/or the operation gear of the evaporator side fan needs to be increased; when the relative humidity of the environment is gradually reduced, the amount of the generated condensate water needs to be increased and/or the consumption amount of the condensate water needs to be reduced, so that the operation frequency of the compressor needs to be increased and/or the operation gear of the evaporator side fan needs to be reduced.
Further, the preset humidity comprises a first preset humidity and a second preset humidity, and the first preset humidity is RH1Is expressed as the second predetermined humidity RH2Is represented by, and RH1＜RH2(ii) a When RH is less than or equal to RH1When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a third preset frequency which is f3Represents; when RH is equal to1＜RH≤RH2When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a fourth preset frequency which is f4Represents; when RH > RH2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a fifth preset frequency which is f5Represents; and f is3＞f4＞f5。
First predetermined humidity is low humidity early warning position, and the production speed of comdenstion water is slower this moment, leads to the chassis water level to hang down excessively easily, second predetermined humidity is high humidity early warning position, and the comdenstion water production speed is higher this moment, accelerates chassis water full easily, specific RH1The value range of (A) is between 20% and 50%, RH2The value range of (A) is between 50% and 80%, and the value range of (B) is H1≤H＜H2When the air conditioner is used, the environment relative humidity needs to be referred, the operation gear of the evaporator side fan and/or the operation frequency of the compressor are adjusted according to a second preset mode according to the comparison result of the environment relative humidity and the preset humidity, the preset humidity is set to be two gears, and then the operation gear of the evaporator side fan and/or the operation frequency of the compressor are adjusted under the condition of different environment relative humidities, so that the refrigerating capacity of the air conditioner is ensured, and meanwhile, the consumption of condensed water is controlled to be oneWithin a reasonable range, when RH is less than or equal to RH1When the relative environment humidity is lower, the condensate water production is slightly lower than the consumption, at the moment, the compressor is operated at a higher frequency, and/or the evaporator side fan is operated at a medium wind gear, the condensate water production can be accelerated and/or the condensate water consumption can be reduced, the water level of a chassis can be increased, and when the relative environment humidity is lower, the condensate water production is slightly lower than the consumption, and when the relative environment humidity is higher, the1＜RH≤RH2When the relative ambient humidity is at a median value, the condensate is produced and consumed at a similar rate, the compressor is also operated at a median frequency and/or the evaporator side fan is operated at medium wind speed, the condensate is produced and/or consumed at a moderate rate, and the chassis water level is in a more stable position when RH > RH2When the relative environment humidity is high, the condensate water generation amount is slightly larger than the consumption amount, and at the moment, the compressor is operated at a lower frequency and/or the evaporator side fan is operated at a high wind level, so that the condensate water generation can be reduced and/or the condensate water consumption can be increased, the water level of the chassis is reduced, and the water fullness is prevented.
Further, f is3Between 75Hz and 100 Hz; f is4Between 50 and 75Hz, said f5Between 25-50 Hz.
Here, the specific value ranges of the environmental relative humidity values in different intervals under the second preset condition are shown.
Further, the operating frequency of the compressor is calculated according to the following formula:
Fh＝f+f×(H-H2)/(H1+H2) +; wherein, FhThe running frequency of the compressor at different chassis water levels is in Hz; f is the running frequency of the compressor when the refrigeration is optimal, and the unit is Hz; h is the water level of the chassis and the unit is m; h1Is a first preset water level with the unit of m; h2Is a second preset water level, and the unit is m; the corrected value of the environmental relative humidity is the preset running frequency of the compressor and has the unit of Hz.
The relation between the water level of the chassis and the running frequency of the compressor is determined through calculation, the running frequency of the compressor is further corrected through a preset environment relative humidity correction value, in the formula, the relation is not a fixed value, the numerical value of the relation is reduced along with the rise of the environment relative humidity and can be a negative number, and the value of f is determined according to the sizes of the compressor and a refrigerating system and is usually between 50Hz and 80 Hz.
Further, the water level of the chassis and the relative humidity of the environment are detected again at the rated time interval T after the air conditioner is started.
The rated time T is a preset value, the setting can enable the mobile air conditioner to detect the chassis water level and the environment relative humidity again after running for a certain time, and then the running gear of the evaporator side fan and/or the running frequency of the compressor are/is adjusted according to the chassis water level and the environment relative humidity, the chassis water level is ensured to be in a reasonable range, the situation that the compressor and/or the evaporator side fan maintain one running frequency and/or running gear for a long time to cause water full shutdown or insufficient water quantity can not occur, and the rated time T can be set according to the model specification of the mobile air conditioner.
The invention discloses a water full-proof device of an air conditioner, which comprises: the water level detection module is used for detecting the water level of a chassis of the mobile air conditioner; the humidity detection module is used for detecting the relative humidity of the environment; the calculation module is started along with the humidity detection module and is used for calculating the operation frequency of the compressor of the relative humidity of the current environment; the timing module is used for timing the running time of the air conditioner and sending a signal to the control module when the rated time length is reached; and the control module compares the detected water level of the chassis with a preset water level, compares the detected relative humidity of the environment with a preset humidity, and adjusts the operation gear of the fan at the evaporator side and/or the operation frequency of the compressor according to the comparison result and the calculation result of the calculation module, so that the control method for preventing the water fullness of the air conditioner is realized.
Through the cooperation among the above-mentioned modules, control air conditioner chassis water level, prevent that it from appearing full of water or the condition such as the water yield is too little.
The invention also discloses an air conditioner, which comprises a computer readable storage medium and a processor, wherein the computer readable storage medium is used for storing a computer program, and the computer program is read by the processor and runs to realize the control method for preventing the water fullness of the air conditioner.
Compared with the prior art, the air conditioner and the control method for preventing the air conditioner from being full of water have the same advantages, and the detailed description is omitted.
The invention also discloses a computer readable storage medium, which stores a computer program, and when the computer program is read and operated by a processor, the method for controlling the water full-proof of the air conditioner is realized.
Compared with the prior art, the air conditioner water full-proof control method and device, the air conditioner and the computer readable storage medium have the following advantages:
according to the invention, the running gear of the fan at the evaporator side and/or the running frequency of the compressor are dynamically adjusted according to the change of the water level of the chassis and the relative humidity of the environment, so that the running gear of the motor at the evaporator side and/or the running frequency of the compressor at different indoor environmental temperatures are reasonably adjusted under the condition of ensuring the air conditioning capacity, the water level of the chassis is further kept at a reasonable water level, and the conditions that the chassis is frequently flooded with water or shut down under high humidity and the performance of the air conditioner is influenced by insufficient condensate water under low humidity are prevented.
Drawings
Fig. 1 is a schematic flow chart of a control method for preventing water flooding of an air conditioner according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The specific embodiments described herein are merely illustrative of the invention and do not delimit the invention. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
The following describes a method and an apparatus for controlling water fullness prevention of an air conditioner, and a computer-readable storage medium according to embodiments of the present invention with reference to the accompanying drawings.
Example 1
The embodiment provides a control method for preventing water fullness of an air conditioner, wherein the air conditioner comprises a chassis, a water beating motor, a water beating impeller, an evaporator side fan, a compressor and a condenser, in the operation process of the air conditioner, the evaporator operates to generate condensed water, the condensed water is contained in the chassis, the water beating motor beats the condensed water into water mist, and the water mist is evaporated by the condenser, as shown in fig. 1, the control method comprises the following steps:
detecting a chassis water level and an environment relative humidity, wherein the chassis water level is represented by H, and the environment relative humidity is represented by RH;
and adjusting the running gear of an evaporator side fan and/or the running frequency of a compressor according to the detected comparison result of the chassis water level and the preset water level and the detected comparison result of the environment relative humidity and the preset humidity.
The running frequency of the compressor influences the running efficiency of the evaporator so as to influence the speed of the evaporator for generating condensate water, the running gear of the fan at the evaporator side influences the heat exchange efficiency at the evaporator side so as to influence the consumption speed of the condensate water, and the consumption and/or the generation speed of the condensate water can be controlled by adjusting the running gear of the fan at the evaporator side and/or the running frequency of the compressor so as to control the water level of the chassis and prevent the phenomenon of water fullness.
Specifically, the operating frequency of the compressor is gradually reduced along with the rise of the chassis water level, and/or the operating gear of the evaporator side fan is gradually increased along with the rise of the chassis water level, and when the chassis water level is gradually increased, the generation amount of the condensed water needs to be reduced and/or the consumption amount of the condensed water needs to be increased, so that the operating frequency of the compressor needs to be reduced and/or the operating gear of the evaporator side fan needs to be increased; when the water level of the chassis is gradually lowered, the amount of the generated condensate water needs to be increased and/or the amount of the consumed condensate water needs to be reduced, so that the operating frequency of the compressor needs to be increased and/or the operating gear of the evaporator side fan needs to be lowered.
In this embodiment, the water level of the chassis is compared with a preset water level, the preset water level includes a first preset water level and a second preset water level, and the first preset water level is H1Is shown inThe second preset water level H2Is represented by, and H1＜H2；
When H is less than H1When the evaporator side fan is operated at a low wind speed and/or the compressor is operated at a first preset frequency which is f1Represents;
when H is more than or equal to H2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a second preset frequency which is f2Represents; and f is1＞f2。
The first water level of predetermineeing is low water level early warning level, and when the chassis water level was less than first when predetermineeing the water level, the water level in the chassis was crossed lowly, and the comdenstion water is too little, and the motor of fetching water can't evenly be fetched water, influences the performance of air conditioner, the second is predetermine the water level and is high water level early warning level, and when the chassis water level was higher than the second when predetermineeing the water level, the comdenstion water in the chassis approached to full water state, and the air conditioner has the risk of water full protection or shut down, can predetermine first mode of predetermineeing and the second and predetermine the mode, first mode of predetermineeing is: when the water level of the chassis is too high or too low, the running gear of a fan at the evaporator side and/or the running frequency of a compressor are/is adjusted directly according to the comparison relation between the detection result of the water level of the chassis and the preset water level; the second preset mode is as follows: when the water level of the chassis is in the middle position, the operation gear of a fan at the evaporator side and/or the operation frequency of a compressor are/is adjusted according to the comparison relation between the detection result of the relative humidity of the environment and the preset humidity by combining the detection result of the relative humidity of the environment; for H1、H2The quantitative value of (a) needs to be set according to the maximum water level height and the specific size of the water beating impeller, and is not particularly limited herein, when H is less than H1In the scheme, the first preset frequency f is lower, the condensate water in the chassis is less, the water throwing motor cannot uniformly pump water, the heat exchange effect of the condenser is poor, the power consumption of the system is increased, and the evaporator side fan operates at a low wind level to reduce the consumption of the condensate water1For higher frequencies, the compressor is operated at a first predetermined frequency f1The operation efficiency of the evaporator can be improved in operation, and the yield of condensed water is further improved, so that the water level of the chassis is enabledWhen the temperature rises, the evaporation temperature of the system is low, and the temperature of the side fan of the evaporator can reach the preset temperature by running at a low wind level, so that the use experience of a user is not influenced; when H is more than or equal to H2When the water level in the chassis is higher, the chassis is filled with water quickly if reasonable treatment measures are not taken, the consumption of condensate water can be accelerated by operating a fan at the side of the evaporator at a high wind level, and the second preset frequency f2At a lower frequency, the compressor is at a second predetermined frequency f2The operation can reduce the operating efficiency of evaporimeter to reduce the output of comdenstion water, system's evaporating temperature is on the high side this moment, and evaporimeter side fan makes ambient temperature keep at preset temperature with high grade operation, and then ensures customer's use and experiences, and the air conditioner needs to produce fast or consume the comdenstion water fast under these two kinds of circumstances, consequently need not consider the influence of environment relative humidity.
Specifically, said f1Between 100Hz and 120 Hz; f is2Between 5-25 Hz; here, the maximum frequency range and the minimum frequency range of the operation of the compressor under the first preset condition, the maximum frequency range of the operation of the compressor can increase the generation amount of the condensed water to the maximum so as to improve the water level of the chassis, and the minimum frequency range of the operation can reduce the generation amount of the condensed water to the minimum so as to cooperate with the operation of the side fan of the evaporator to quickly consume the condensed water, so that the water level of the condensed water in the chassis is reduced, preferably, the f1Is 102Hz, said f2Is 15 Hz.
As an embodiment of the present invention, the chassis water level is compared with a preset water level, where the preset water level includes a first preset water level and a second preset water level, and the first preset water level is H1Indicating, the second preset water level is H2Is represented by, and H1＜H2(ii) a When H is present1≤H＜H2And adjusting the running gear of the fan at the evaporator side and/or the running frequency of the compressor according to the comparison result of the detected environment relative humidity RH and the preset humidity, wherein the water level of the chassis is at a middle position, and the running gear of the fan at the evaporator side and/or the running frequency of the compressor are determined according to a second preset mode and the environment relative humidity.
Specifically, the operating frequency of the compressor is gradually reduced along with the increase of the ambient relative humidity, and/or the operating gear of the evaporator side fan is gradually increased along with the increase of the ambient relative humidity, when the ambient relative humidity is gradually increased, the generation amount of the condensed water needs to be reduced and/or the consumption amount of the condensed water needs to be increased, so that the operating frequency of the compressor needs to be reduced and/or the operating gear of the evaporator side fan needs to be increased; when the relative humidity of the environment is gradually reduced, the amount of the generated condensate water needs to be increased and/or the consumption amount of the condensate water needs to be reduced, so that the operation frequency of the compressor needs to be increased and/or the operation gear of the evaporator side fan needs to be reduced.
In this embodiment, the preset humidity includes a first preset humidity and a second preset humidity, and the first preset humidity is RH for the first preset humidity1Is expressed as the second predetermined humidity RH2Is represented by, and RH1＜RH2；
When RH is less than or equal to RH1When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a third preset frequency which is f3Represents;
when RH is equal to1＜RH≤RH2When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a fourth preset frequency which is f4Represents;
when RH > RH2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a fifth preset frequency which is f5Represents; and f is3＞f4＞f5In H1≤H＜H2When the air conditioner is used, the environment relative humidity needs to be referred, the operation gear of the evaporator side fan and/or the operation frequency of the compressor are adjusted according to a second preset mode according to the comparison result of the environment relative humidity and the preset humidity, the preset humidity is set to be two gears, and then the operation gear of the evaporator side fan and/or the operation frequency of the compressor are adjusted under the condition of different environment relative humidities, so that the refrigerating capacity of the air conditioner is ensured, and meanwhile, the consumption of condensed water is controlled to be reasonableWithin the range of RH ≦ RH1When the relative environment humidity is lower, the condensate water production is slightly lower than the consumption, at the moment, the compressor is operated at a higher frequency, and/or the evaporator side fan is operated at a medium wind gear, the condensate water production can be accelerated and/or the condensate water consumption can be reduced, the water level of a chassis can be increased, and when the relative environment humidity is lower, the condensate water production is slightly lower than the consumption, and when the relative environment humidity is higher, the1＜RH≤RH2When the relative ambient humidity is at a median value, the condensate is produced and consumed at a similar rate, the compressor is also operated at a median frequency and/or the evaporator side fan is operated at medium wind speed, the condensate is produced and/or consumed at a moderate rate, and the chassis water level is in a more stable position when RH > RH2When the relative environment humidity is high, the condensate water generation amount is slightly larger than the consumption amount, and at the moment, the compressor is operated at a lower frequency and/or the evaporator side fan is operated at a high wind level, so that the condensate water generation can be reduced and/or the condensate water consumption can be increased, the water level of the chassis is reduced, and the water fullness is prevented.
Specifically, said f3Between 75Hz and 100 Hz; f is4Between 50 and 75Hz, said f5Between 25-50 Hz; the specific value range of the environmental relative humidity value in different intervals under the second preset condition is shown here; preferably, said f3Is 90Hz, said f4Is 72Hz, said f5Is 35 Hz.
As a preferred embodiment, the operating frequency of the compressor is calculated according to the following formula:
Fh＝f+f×(H-H2)/(H1+H2)+；
wherein, FhThe running frequency of the compressor at different chassis water levels is in Hz;
f is the running frequency of the compressor when the refrigeration is optimal, and the unit is Hz; h is the water level of the chassis and the unit is m;
H1is a first preset water level with the unit of m;
H2is a second preset water level, and the unit is m;
the corrected value of the environmental relative humidity is the preset running frequency of the compressor and has the unit of Hz.
The relation between the water level of the chassis and the running frequency of the compressor is determined by calculation, and the running frequency of the compressor is further corrected by a preset environment relative humidity correction value, wherein in the formula, the operation frequency is not a fixed value, the numerical value of the operation frequency is reduced along with the rise of the environment relative humidity, and the operation frequency can be a negative number, for example, when RH is less than or equal to RH1When the value is 5, when RH1＜RH≤RH2When the value is 0, the value is more than RH2In addition, the value of f is determined according to the sizes of the compressor and the refrigeration system, and is generally between 50Hz and 80 Hz.
In the embodiment, the chassis water level and the environment relative humidity are re-detected every a rated time length T after the air conditioner is started, wherein the rated time length T is a preset value, the arrangement can ensure that the water level of the chassis and the relative humidity of the environment are detected again after the mobile air conditioner operates for a certain time, furthermore, the running gear of the fan at the evaporator side and/or the running frequency of the compressor are adjusted according to the water level of the chassis and the relative humidity of the environment, the water level of the chassis is ensured to be in a reasonable range, the situation that the compressor and/or the fan at the evaporator side maintain one running frequency and/or running gear for a long time to cause water full halt or insufficient water quantity is avoided, the rated time length can be set according to the model specification of the mobile air conditioner, for example, the nominal time period T may be 10 minutes, 15 minutes, 20 minutes, and preferably, the nominal time period T is 10 minutes.
Specifically, the implementation steps of the air conditioner water fullness prevention control method are as follows:
s1: detecting a chassis water level, wherein the chassis water level is represented by H;
s2: comparing the detection result of the chassis water level with a preset water level, and executing S3 if the comparison result meets a first preset condition; if the comparison result meets the second preset condition, executing S4;
s3: adjusting the running gear of a fan at the evaporator side and/or the running frequency of a compressor according to a preset mode;
s4: comparing the detection result of the relative humidity of the environment with the preset humidity, and adjusting the operation gear of the fan at the evaporator side and/or the operation frequency of the compressor according to a preset mode;
prior to S4, the ambient relative humidity is detected, which is denoted as RH.
Wherein the first preset condition is as follows: h is less than H1Or H is not less than H2；
The second preset condition is as follows: h1≤H＜H2；
The preset mode corresponding to S3 is: when H is less than H1When the evaporator side fan is operated at a low wind speed and/or the compressor is operated at a first preset frequency which is f1Represents; when H is more than or equal to H2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a second preset frequency which is f2Is shown, and f1＞f2；
The preset mode corresponding to S4 is: when RH is less than or equal to RH1When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a third preset frequency which is f3Represents; when RH is equal to1＜RH≤RH2When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a fourth preset frequency which is f4Represents; when RH > RH2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a fifth preset frequency which is f5Represents; and f is3＞f4＞f5。
Preferably, f1＞f3＞f4＞f5＞f2。
Example 2
The embodiment discloses a full water prevention device for an air conditioner, which is used for realizing the full water prevention control method for the air conditioner in the embodiment 1.
The waterproof full device of air conditioner includes:
the water level detection module is used for detecting the water level of a chassis of the mobile air conditioner;
the humidity detection module is used for detecting the relative humidity of the environment;
the calculation module is started along with the humidity detection module and is used for calculating the operation frequency of the compressor of the relative humidity of the current environment;
the timing module is used for timing the running time of the air conditioner and sending a signal to the control module when the rated time length is reached;
and the control module compares the detected water level of the chassis with a preset water level, compares the detected relative humidity of the environment with a preset humidity, and adjusts the operation gear of the fan at the evaporator side and/or the operation frequency of the compressor according to the comparison result and the calculation result of the calculation module, so that the control method for preventing the water fullness of the air conditioner is realized.
Through the cooperation among the above-mentioned modules, control air conditioner chassis water level, prevent that it from appearing full of water or the condition such as the water yield is too little.
Example 3
The embodiment discloses an air conditioner, including embodiment 2 the full device of air conditioner water proof.
The air conditioner disclosed in the embodiment further includes a computer readable storage medium storing a computer program, and a processor, wherein the computer program is read and executed by the processor to implement the method for controlling the fullness of water in the air conditioner according to embodiment 1.
Example 4
The embodiment discloses a computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium, and when the computer program is read and executed by a processor, the method for controlling the water full resistance of the air conditioner according to the embodiment 1 is realized.
Although the present invention is disclosed above, the present invention is not limited thereto. In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Various changes and modifications may be effected therein by one skilled in the art without departing from the spirit and scope of the invention as defined in the appended claims.

Claims (13)

1. A control method for preventing water in an air conditioner from being full, wherein the air conditioner comprises a chassis, an evaporator side fan and a compressor, and is characterized by comprising the following steps:
detecting a chassis water level and an environment relative humidity, wherein the chassis water level is represented by H, and the environment relative humidity is represented by RH;
and adjusting the running gear of an evaporator side fan and/or the running frequency of a compressor according to the detected comparison result of the chassis water level and the preset water level and the detected comparison result of the environment relative humidity and the preset humidity.
2. The method as claimed in claim 1, wherein the operating frequency of the compressor is gradually decreased as the water level of the chassis is increased, and/or the operating range of the evaporator side fan is gradually increased as the water level of the chassis is increased.
3. The method as claimed in claim 2, wherein the preset water level comprises a first preset water level and a second preset water level, and the first preset water level is defined as H1Indicating, the second preset water level is H2Is represented by, and H1＜H2；
When H is less than H1When the evaporator side fan is operated at a low wind speed and/or the compressor is operated at a first preset frequency which is f1Represents;
when H is more than or equal to H2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a second preset frequency which is f2Represents;
and f is1＞f2。
4. The method as claimed in claim 3, wherein f is the same as f1Between 100Hz and 120 Hz; f is2Between 5-25 Hz.
5. The method as claimed in claim 2, wherein the preset water level comprises a first preset water level and a second preset water level, and the first preset water level is defined as H1Indicating, the second preset water level is H2Is represented by, and H1＜H2；
When H is present1≤H＜H2And adjusting the running gear of the fan at the evaporator side and/or the running frequency of the compressor according to the detected comparison result of the environment relative humidity RH and the preset humidity.
6. The method as claimed in claim 5, wherein the operating frequency of the compressor is gradually decreased with the increase of the relative humidity of the environment, and/or the operating range of the evaporator side fan is gradually increased with the increase of the relative humidity of the environment.
7. The method as claimed in claim 5, wherein the predetermined humidity includes a first predetermined humidity and a second predetermined humidity, and the first predetermined humidity is RH1Is expressed as the second predetermined humidity RH2Is represented by, and RH1＜RH2；
When RH is less than or equal to RH1When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a third preset frequency which is f3Represents;
when RH is equal to1＜RH≤RH2When the evaporator side fan is operated at medium wind speed and/or the compressor is operated at a fourth preset frequency which is f4Represents;
when RH > RH2When the evaporator side fan is operated at a high wind speed and/or the compressor is operated at a fifth preset frequency which is f5Represents;
and f is3＞f4＞f5。
8. The method as claimed in claim 7, wherein f is the same as f3Between 75Hz and 100 Hz; f is4Between 50 and 75Hz, said f5Between 25-50 Hz.
9. The method as claimed in claim 5, wherein the operating frequency of the compressor is calculated according to the following formula:
Fh＝f+f×(H-H2)/(H1+H2)+；
wherein, FhThe running frequency of the compressor at different chassis water levels is in Hz;
f is the running frequency of the compressor when the refrigeration is optimal, and the unit is Hz;
h is the water level of the chassis and the unit is m;
H1is a first preset water level with the unit of m;
H2is a second preset water level, and the unit is m;
the corrected value of the environmental relative humidity is the preset running frequency of the compressor and has the unit of Hz.
10. A method for controlling the fullness of water in an air conditioner as claimed in any one of claims 1 to 9, wherein the chassis water level and the ambient relative humidity are re-detected at a rated time interval T after the air conditioner is turned on.
11. The utility model provides a full device of water is prevented to air conditioner which characterized in that includes:
the water level detection module is used for detecting the water level of a chassis of the mobile air conditioner;
the humidity detection module is used for detecting the relative humidity of the environment;
the calculation module is started along with the humidity detection module and is used for calculating the operation frequency of the compressor of the relative humidity of the current environment;
the timing module is used for timing the running time of the air conditioner and sending a signal to the control module when the rated time length is reached;
the control module compares the detected water level of the chassis with a preset water level, compares the detected relative humidity of the environment with a preset humidity, and adjusts the operation gear of the fan at the evaporator side and/or the operation frequency of the compressor according to the comparison result and the calculation result of the calculation module, so as to realize the control method for preventing water fullness of the air conditioner as claimed in any one of claims 1 to 10.
12. An air conditioner comprising a computer-readable storage medium storing a computer program and a processor, wherein the computer program is read by the processor and executed to implement the method of controlling fullness against water in an air conditioner according to any one of claims 1 to 10.
13. A computer-readable storage medium, characterized in that the computer-readable storage medium stores a computer program which, when read and executed by a processor, implements the water fullness prevention control method of an air conditioner according to any one of claims 1 to 10.
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