CN113983649B - Method for controlling starting, running and draining of water pumping motor of mobile air conditioner - Google Patents
Method for controlling starting, running and draining of water pumping motor of mobile air conditioner Download PDFInfo
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- CN113983649B CN113983649B CN202111290288.7A CN202111290288A CN113983649B CN 113983649 B CN113983649 B CN 113983649B CN 202111290288 A CN202111290288 A CN 202111290288A CN 113983649 B CN113983649 B CN 113983649B
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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
- F24F11/46—Improving electric energy efficiency or saving
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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
- F24F11/52—Indication arrangements, e.g. displays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/50—Control or safety arrangements characterised by user interfaces or communication
- F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/64—Electronic processing using pre-stored data
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
- F24F11/63—Electronic processing
- F24F11/65—Electronic processing for selecting an operating mode
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
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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
- 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
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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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- Mathematical Physics (AREA)
- Air Conditioning Control Device (AREA)
Abstract
A method for controlling starting, running and draining of a water pumping motor of a mobile air conditioner comprises a starting control method, a running control method and a draining control method, current environmental parameters and evaporator temperature are obtained, a speed V of condensate water generation is obtained according to a preset data table and a speed calculation model, and then the amount L of the produced condensate water is obtained; judging whether the amount of the condensed water L exceeds 1/3 of the maximum volume Lmax of the water receiving tray or not; if yes, starting the water pumping motor; when the mobile air conditioner and the water beating motor run to the bottom water receiving tray and the water level is fully increased to trigger the full water switch, the current environment relative humidity is judged to enter different water drainage modes according to different environment relative humidity. According to the invention, the saturated moisture content parameters corresponding to different environmental temperatures and the air volume parameters corresponding to different windshields are preset, and the generation rate of the condensed water is calculated by utilizing the difference value of the moisture content of the inlet air and the moisture content of the outlet air and the air volume, so that the starting time of the water beating motor is judged, and the invalid waste of starting the water beating motor when no condensed water is generated or the condensed water is extremely little is avoided.
Description
Technical Field
The invention relates to the field of mobile air conditioners, in particular to a method for controlling the starting, running and drainage of a water pumping motor of a mobile air conditioner.
Background
At present, a water pumping motor is usually used for a mobile air conditioner to consume condensed water, so that the performance of the air conditioner is improved while the user is prevented from repeatedly pouring water. In general, the operation of the water-pumping motor is started after the operation of the air conditioner is started, and ineffective waste is easily caused at an initial stage when the amount of condensed water is small. In the prior art, one to two water level switches are arranged, whether the water level of a detection chassis reaches a preset water level value to control the start and stop of a water beating motor or adjust the rotating speed of the water beating motor according to the environmental temperature and humidity, invalid waste is avoided to a certain extent, the reliability of the operation of an air conditioner can be influenced by the fault or the position deviation of the water level switches, the rotating speed of the water beating motor is controlled by a single piece without considering the influence of the performance of the air conditioner according to the environmental temperature and humidity, the amount of condensed water cannot be accurately controlled, and the effect of prolonging the service life is limited.
Disclosure of Invention
In view of one or more of the above problems, the present invention determines the start of the pumping motor according to the rate of generating condensed water, thereby avoiding the ineffective waste of starting the pumping motor even when no condensed water is generated or the condensed water is very little, and providing a method for controlling the start, operation and drainage of the pumping motor of a mobile air conditioner.
In order to achieve the purpose, the invention adopts the following technical scheme: a method for controlling the starting of a water pumping motor of a mobile air conditioner comprises the following steps:
refrigerating or dehumidifying, starting up and running to obtain current ambient temperature T Environment(s) And relative humidity RH, operating for a preset time T 0 Obtaining the evaporator temperature T Steaming food ，
Obtaining the rate V of the condensate water generation by using a preset data table and a rate calculation model;
obtaining the amount L of the generated condensed water according to the speed V and the running time of the generation of the condensed water;
judging whether the amount of the condensed water L exceeds 1/3 of the maximum volume Lmax of the water receiving tray or not;
if yes, the water pumping motor is started.
Preferably, the preset data tables include different saturated moisture content data tables corresponding to different environmental temperatures and air volume data tables corresponding to different wind gears of different models.
Preferably, according to said ambient temperature T Environment(s) And obtaining the saturated moisture content d corresponding to the environmental temperature by a preset data table Environment(s) Calculating the relative humidity RH to obtain the inlet air moisture content d 1 ＝d Environment(s) ×RH；
According to the evaporator temperature T Steaming food Obtaining the air outlet temperature T by a preset air outlet temperature calculation formula Air outlet ＝T Steaming food +2 ℃ to the outlet air temperature T Air outlet Corresponding saturated moisture content d Air outlet Calculating to obtain the outlet air moisture content d through the preset default relative humidity 2 ＝d Air outlet ×RH By default (ii) a Wherein RH By default ＝90％；
Calculating the rate of condensate water generation V = Q × ρ x (d) by air volume Q, air density ρ and difference of inlet and outlet air moisture content 1 -d 2 ) Wherein the air quantity Q is obtained from a preset data table, and the air density rho is 1.2Kg/m 3 When d is 2 ≥d 1 At this time, the rate of condensate generation was 0.
Preferably, the running time of the condensed water quantity L is calculated as the running preset time T 0 And then recording calculation is started.
On the other hand, the invention adopts the following technical scheme: a method for controlling the operation of a water pumping motor of a mobile air conditioner comprises the following steps:
after the water fetching motor in the technical scheme is started to operate, judging whether the duration time exceeds a first preset time when the temperature of the evaporator is more than or equal to a preset temperature;
if the temperature of the evaporator exceeds the first preset time and is not less than the preset temperature, judging that little condensate water is generated, and stopping the operation of the water fetching motor;
when the temperature of the evaporator is less than the preset temperature, judging whether the duration time exceeds a second preset time;
and if the temperature of the evaporator exceeds the second preset time and is less than the preset temperature, starting the water pumping motor to operate.
Preferably, the preset temperature is an ambient dew point temperature T Dew point -1 ℃, said ambient dew point temperature T Dew point To obtain the nearest inlet air moisture content d according to a preset data table 1 Corresponding to the ambient temperature.
On the other hand, the invention adopts the following technical scheme: a water discharge control method for a water pumping motor of a mobile air conditioner comprises the following steps:
when the mobile air conditioner and the water pumping motor operate until the water level of the bottom water receiving tray is fully expanded to trigger a full water switch, acquiring the relative humidity of the current environment;
judging the relative humidity of the current environment to enter different drainage modes according to the relative humidity of different environments, wherein the judgment at least comprises one of the following steps:
when the relative humidity of the environment is less than or equal to 75%, entering a first drainage mode, reducing the frequency of a compressor, and keeping an outer fan and a water pumping motor to operate;
when the relative humidity of the environment is more than 75% and less than or equal to 90%, entering a second drainage mode, stopping the operation of the compressor, and keeping the operation of the outer fan and the water pumping motor;
and when the relative humidity of the environment is more than 90%, entering a third drainage mode, stopping the operation of the compressor, stopping the operation of the outer fan and the water pumping motor, and reminding a user of manually draining water.
Preferably, the first drainage mode includes:
the compressor reduces the frequency delta f per unit time until the temperature of the evaporator is more than or equal to the environmental dew point temperature of minus 1 ℃ or is reduced to the lower frequency limit, the outer fan and the water-fetching motor keep running, and the water-fetching motor is used for generating water mist and the heat of the condenser is used for accelerating the water evaporation.
Preferably, the duration of the first drainage mode is determined according to the temperature difference between the condensing temperature and the ambient temperature and the current ambient relative humidity, the duration is counted after the frequency of the compressor is reduced to reach the target requirement, and the first drainage mode is exited after the duration is met to resume the state before entering the first drainage mode to continue running.
Preferably, the second drainage mode includes:
the compressor stops running, the outer fan and the water beating motor keep running, water mist is generated by the water beating motor, and air flow is generated by the running of the outer fan to discharge water to the outside;
and the second drainage mode lasts for 10min, the mode is exited after the duration is met, the operation is continued in the state before entering, if the water is detected again when the duration of the next operation process is less than or equal to 40min, the second drainage mode is judged to have poor drainage effect, and the third mode is directly entered.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the saturated moisture content parameters corresponding to different environmental temperatures and the air volume parameters corresponding to different windshields are preset, and the generation rate of the condensed water is calculated by utilizing the difference value of the moisture content of the inlet air and the moisture content of the outlet air and the air volume, so that the starting time of the water beating motor is judged, and the invalid waste of starting the water beating motor when no condensed water is generated or the condensed water is extremely little is avoided.
According to the invention, after the mobile air conditioner is triggered to the full water switch, the feasibility and the rationality of automatic drainage are intelligently judged according to the environment humidity, so that an optimal drainage mode is selected, and the purpose of automatic drainage is achieved by consuming condensed water by continuously running the water pumping motor for a period of time, so that the frequency of repeated water pouring of a user is reduced, manual drainage is not needed under most environmental conditions, and the service life is prolonged.
Drawings
In order to more clearly illustrate the technical solution, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a schematic structural diagram of the present invention.
Detailed Description
For a clear and complete understanding of the technical solutions, the present invention will now be further described with reference to the embodiments and the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention.
As shown in fig. 1, a method for controlling a water pumping motor of a mobile air conditioner includes a start control method, an operation control method, and a drainage control method, and specifically includes the following steps:
the starting control method comprises the following steps:
refrigerating or dehumidifying, starting up and running to obtain current ambient temperature T Environment(s) And relative humidity RH, for a preset time T 0 Obtaining the evaporator temperature T Steaming food ，
Obtaining the rate V of condensate water generation by using a preset data table and a rate calculation model, wherein the preset data table comprises different saturated moisture content data tables corresponding to different environmental temperatures and air volume data tables corresponding to different wind gears of different models;
the data tables of different saturated moisture contents corresponding to different environmental temperatures are as follows:
the air volume data tables corresponding to different wind gears are as follows:
| wind screen | Low wind shield | Middle wind shield | High wind shield |
| Air quantity m 3 /h | Q is low | In Q | Q is high |
According to the ambient temperature T Environment(s) of And obtaining the saturated moisture content d corresponding to the environmental temperature by a preset data table Environment(s) Calculating the relative humidity RH to obtain the inlet air moisture content d 1 ＝d Environment(s) ×RH；
According to the evaporator temperature T Steaming food Obtaining the air outlet temperature T by a preset air outlet temperature calculation formula Air outlet ＝T Steaming food +2 ℃ to the outlet air temperature T Air outlet Corresponding saturated moisture content d Air outlet Calculating to obtain the outlet air moisture content d through the preset default relative humidity 2 ＝d Air outlet ×RH By default (ii) a Wherein RH By default ＝90％；
The air quantity Q calculating the rate of condensate water generation V = Q multiplied by rho (d) by the air density rho and the difference between the moisture content of the inlet air and the moisture content of the outlet air 1 -d 2 ) Wherein the air quantity Q is obtained from a preset data table, and the air density rho is 1.2Kg/m 3 When d is 2 ≥d 1 At a rate of 0, condensed water is generated
Obtaining the amount of generated condensate water L according to the rate V and the running time of condensate water generation, and calculating the running time of the amount of condensate water L as the preset running time T 0 Then starting to record and calculate;
judging whether the amount of the condensed water L exceeds 1/3 of the maximum volume Lmax of the water receiving tray or not;
if yes, starting the water pumping motor;
if not, returning to the step of acquiring each parameter.
The operation control method comprises the following steps:
after the water pumping motor is started to operate, when the temperature of the evaporator is more than or equal to a preset temperature, judging whether the duration time exceeds a first preset time, wherein the first preset time is 10min;
if the temperature of the evaporator exceeds the first preset time and is not less than the preset temperature, judging that little condensate water is generated, and stopping the operation of the water fetching motor;
when the temperature of the evaporator is less than the preset temperature, judging whether the duration time exceeds a second preset time, wherein the second preset time is 5min;
and if the temperature of the evaporator exceeds the second preset time and is less than the preset temperature, starting the water pumping motor to operate.
The preset temperature is the environment dew point temperature T Dew point -1 ℃, said ambient dew point temperature T Dew point According to a preset data tableObtaining the moisture content d closest to the inlet air 1 Corresponding to the ambient temperature.
The drainage control method comprises the following steps
When the mobile air conditioner and the water pumping motor operate until the water level of the bottom water receiving tray is fully increased to trigger a full water switch, acquiring the relative humidity of the current environment;
judging the relative humidity of the current environment to enter different drainage modes according to the relative humidity of different environments, wherein the judgment at least comprises one of the following steps:
when the relative humidity of the environment is less than or equal to 75%, the first drainage mode is entered, the compressor reduces the frequency, and the outer fan and the water pumping motor keep running. The compressor reduces the frequency by delta f =2Hz within t =30s per unit time until the temperature of the evaporator is more than or equal to the environmental dew point temperature minus 1 ℃ or is reduced to the lower frequency limit, the outer fan and the water-fetching motor keep running, and the water-fetching motor is used for generating water mist and the heat of the condenser is used for accelerating the water evaporation.
The duration of the first drainage mode is determined according to the temperature difference between the condensation temperature and the environment temperature and the relative humidity of the current environment, and is specifically determined according to the drainage efficiency of different machine types, as shown in the following table:
duration of first drainage pattern under different conditions
| Temperature difference/relative humidity | ≤50％ | (50％，65％] | (65，75％] |
| ≤5℃ | 5min | 6min | 6min |
| (5,10] | 4min | 5min | 6min |
| ＞10℃ | 3min | 4min | 5min |
And the duration starts to time after the frequency of the compressor is reduced to meet the target requirement, and the compressor exits from the first drainage mode after meeting the duration and recovers to continue running in the state before entering.
When the relative humidity of the environment is more than 75% and less than or equal to 90%, the second water drainage mode is entered, the compressor stops running, the outer fan and the water beating motor keep running, water mist is generated by the water beating motor, and air flow is generated by the running of the outer fan to drain water to the outside; and the second drainage mode lasts for 10min, the mode is exited after the duration is met, the operation is continued in the state before entering, if the water is detected again when the duration of the next operation process is less than or equal to 40min, the second drainage mode is judged to have poor drainage effect, and the third mode is directly entered.
And when the relative humidity of the environment is more than 90%, entering a third drainage mode, stopping the operation of the compressor, stopping the operation of the outer fan and the water pumping motor, and reminding a user of manually draining water.
The invention intelligently judges the drainage mode according to the environment humidity, the first drainage mode changes the operation parameters, reduces the condensate water generation rate and improves the automatic drainage rate, thereby achieving the purpose of automatic drainage without shutdown in refrigeration; the compressor stops running in the second drainage mode, and the water pumping motor and the condenser fan keep running to automatically drain water; and the third drainage mode air conditioner stops running to prompt the user to drain water manually.
The implementation case is as follows:
a method for controlling starting, running and water discharging of a water fetching motor of a mobile air conditioner is disclosed, wherein the mobile air conditioner is a mobile air conditioner with nominal capacity of 3800W, and a preset data table comprises at least one of the following data tables:
each wind shield corresponds to the actual air quantity
| Wind screen | Low wind shield | Middle wind shield | High wind shield |
| Air quantity m 3 /h | 160 | 260 | 340 |
Different ambient temperatures corresponding to saturated moisture content
Starting up the refrigeration high windshield to run, detecting and acquiring the current environment temperature T Environment(s) =30 ℃ and relative humidity RH =75%, and the evaporator temperature T is detected after the operation for a preset time of 3min Steaming food If the temperature is not less than 14 ℃, calculating the moisture content d of the inlet air through a data table and a speed calculation model 1 27.5 × 75% =20.6g/kg, air outlet moisture content d 2 11.5 (saturated moisture content corresponding to evaporator temperature 14 ℃ +2 ℃) 90% =10.35g/kg, air volume is 340m 3 H, air density rho defaulted to 1.2kg/m3, condensed water productionThe raw rate V is:
V＝340m3/h*1.2kg/m3*(20.6-10.35)g/kg＝116.2g/min
the volume of the water receiving tray at the bottom of the sample machine is 1.5L, and the volume L of the water receiving tray is calculated when the condensed water reaches max The time of 1/3 of (1) is 0.5L/116.2ml/min =4.3min, namely the water pumping motor is started to operate from the 7.3min of starting operation (the preset time is 3min + the time of 4.3min for the condensed water to reach 1/3 of the water receiving disc).
The water full is detected after the continuous operation for 11.6h, the first drainage mode is entered, the compressor frequency is reduced from 54Hz to 28Hz, and the evaporator temperature is increased from 14 ℃ to 24 ℃ (the current ambient dew point temperature is 25 ℃). And after the first drainage mode lasts for 6min, normal refrigeration operation is recovered.
The real-time case utilizes the difference value of the moisture content of the inlet air and the moisture content of the outlet air and the air quantity to calculate the condensate water generation rate, so that the starting time of the water pumping motor is judged, and the invalid waste that the water pumping motor is started when no condensate water is generated or little condensate water is generated is avoided; after triggering the full switch of water, according to environment humidity intelligence judgement automatic drainage's feasibility, rationality to select the optimum drainage mode, adopt the motor of fetching water to continue to operate for a period and consume the comdenstion water and reach the purpose of automatic drainage.
The above disclosure is intended to be illustrative of one or more of the preferred embodiments of the present invention and is not intended to limit the invention in any way, which is equivalent or conventional to one skilled in the art and which is intended to cover all modifications, equivalents, and alternatives falling within the scope of the invention as defined by the appended claims.
Claims (8)
1. A method for controlling the starting of a water pumping motor of a mobile air conditioner is characterized by comprising the following steps:
refrigerating or dehumidifying, starting up and running to obtain current ambient temperature T Environment(s) And relative humidity RH, operating for a preset time T 0 Obtaining the evaporator temperature T Steaming food ，
Obtaining the rate V of condensate water generation according to a preset data table and a rate calculation model, and obtaining the rate V of condensate water generation according to the environment temperature T Environment(s) Corresponding to the preset data tableThe saturated moisture content d of the ambient temperature Environment(s) Calculating the relative humidity RH to obtain the inlet air moisture content d 1 =d Environment(s) ×RH；
According to the evaporator temperature T Steaming food Obtaining the air outlet temperature T by a preset air outlet temperature calculation formula Air outlet =T Steaming food +2 ℃ to the outlet air temperature T Air outlet Corresponding saturated moisture content d Air outlet Calculating to obtain the outlet air moisture content d through the preset default relative humidity 2 =d Air outlet ×RH By default (ii) a Wherein RH By default =90%；
The air quantity Q calculating the generation rate V = Q multiplied by x (d) of condensed water by the air density rho and the difference of the moisture content of the inlet air and the outlet air 1 -d 2 ) Wherein the air quantity Q is obtained from a preset data table, and the air density rho is 1.2Kg/m 3 When d is 2 ≥d 1 The rate of condensate generation is 0;
obtaining the amount L of the generated condensed water according to the rate V of the generation of the condensed water and the running time, wherein the running time for calculating the amount L of the condensed water is the preset running time T 0 Post-start log calculation
Judging whether the amount of the condensed water L exceeds 1/3 of the maximum volume Lmax of the water receiving tray or not;
if yes, the water pumping motor is started.
2. The method of claim 1, wherein the method comprises the steps of: the preset data tables comprise saturated moisture content data tables corresponding to different environmental temperatures and air volume data tables corresponding to different wind gears of different models.
3. A method for controlling the operation of a water pumping motor of a mobile air conditioner is characterized by comprising the following steps:
after the water fetching motor of claim 1 or 2 is started to operate, judging whether the duration time exceeds a first preset time when the temperature of the evaporator is more than or equal to a preset temperature;
if the temperature of the evaporator exceeds the first preset time and is not less than the preset temperature, judging that little condensate water is generated, and stopping the operation of the water fetching motor;
when the temperature of the evaporator is less than the preset temperature, judging whether the duration time exceeds a second preset time;
and if the temperature of the evaporator exceeds the second preset time and is less than the preset temperature, starting the water pumping motor to operate.
4. The method of claim 3, wherein the step of controlling the operation of the pumping motor comprises the steps of: the preset temperature is the environment dew point temperature T Dew point -1 ℃, said ambient dew point temperature T Dew point To obtain the nearest inlet air moisture content d according to a preset data table 1 The saturated moisture content of (a) corresponds to the ambient temperature.
5. A water discharge control method for a water pumping motor of a mobile air conditioner is characterized by comprising the following steps:
after the water fetching motor of claim 1 or 2 is started to operate, when the mobile air conditioner and the water fetching motor operate until the water level of the bottom water receiving tray is full to trigger a full water switch, acquiring the current environment relative humidity;
judging the relative humidity of the current environment to enter different drainage modes according to the relative humidity of different environments, wherein the judgment at least comprises one of the following steps:
when the relative humidity of the environment is less than or equal to 75%, entering a first drainage mode, reducing the frequency of a compressor, and keeping an outer fan and a water pumping motor to operate;
when the relative humidity of the environment is more than 75% and less than or equal to 90%, entering a second drainage mode, stopping the operation of the compressor, and keeping the operation of the outer fan and the water pumping motor;
and when the relative humidity of the environment is more than 90%, entering a third drainage mode, stopping the operation of the compressor, stopping the operation of the outer fan and the water pumping motor, and reminding a user of manually draining water.
6. The method of claim 5, wherein the first drain mode comprises:
the compressor reduces the frequency delta f per unit time until the temperature of the evaporator is more than or equal to the environmental dew point temperature of minus 1 ℃ or is reduced to the lower frequency limit, the outer fan and the water-fetching motor keep running, and the water-fetching motor is used for generating water mist and the heat of the condenser is used for accelerating the water evaporation.
7. The method as claimed in claim 5, wherein the duration of the first drainage mode is determined according to the temperature difference between the condensing temperature and the ambient temperature and the current ambient relative humidity, the duration is timed from when the frequency of the compressor decreases to reach the target requirement, and the first drainage mode is exited after the duration is met to resume the operation before entering.
8. The method as claimed in claim 5, wherein the second drain mode comprises:
the compressor stops running, the outer fan and the water beating motor keep running, water mist is generated by the water beating motor, and air flow is generated by the running of the outer fan to discharge water to the outside;
and the second drainage mode lasts for 10min, the mode is exited after the duration is met, the operation is continued in the state before entering, if the water is detected again when the duration of the next operation process is less than or equal to 40min, the second drainage mode is judged to have poor drainage effect, and the third mode is directly entered.
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| CN114623515B (en) * | 2022-03-16 | 2023-07-18 | 安徽奥克斯智能电气有限公司 | Mobile air conditioner, cooling control method and device |
| CN115264862A (en) * | 2022-07-07 | 2022-11-01 | 青岛海尔空调器有限总公司 | Dehumidifier control method, device and equipment and dehumidifier |
| CN115234991A (en) * | 2022-07-20 | 2022-10-25 | 青岛海尔空调器有限总公司 | Mobile air conditioner and control method thereof |
| CN115507592A (en) * | 2022-10-14 | 2022-12-23 | 长虹美菱股份有限公司 | Refrigerator with water storage humidifying device and water level control method thereof |
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| CN104764156B (en) * | 2015-03-27 | 2017-06-23 | 广东美的制冷设备有限公司 | The control method and control device of moveable air conditioner |
| CN105202703B (en) * | 2015-10-16 | 2017-11-24 | 广东美的制冷设备有限公司 | The detection method and system and air conditioner of indoor heat exchanger condensed water |
| CN106401931B (en) * | 2016-10-08 | 2018-11-30 | 珠海格力电器股份有限公司 | A kind of progress control method, system and air conditioner promoting water pump |
| US20180156471A1 (en) * | 2016-12-02 | 2018-06-07 | Haier Us Appliance Solutions, Inc. | Water heater appliance |
| CN108548349B (en) * | 2018-03-26 | 2020-10-30 | 广州西奥多科技有限公司 | Defrosting control system of intelligent heat pump |
| CN112611086A (en) * | 2020-12-17 | 2021-04-06 | 海信（广东）空调有限公司 | Control method of mobile air conditioner |
| CN112944646B (en) * | 2021-03-29 | 2022-07-19 | 海尔(深圳)研发有限责任公司 | Control method and control device for mobile air conditioner and mobile air conditioner |
| CN113531771B (en) * | 2021-07-26 | 2022-08-26 | 海信（广东）空调有限公司 | Mobile air conditioner and water fullness early warning method thereof |
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