WO2022068967A1 - Procédé de commande de mode veille - Google Patents

Procédé de commande de mode veille Download PDF

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Publication number
WO2022068967A1
WO2022068967A1 PCT/CN2021/129821 CN2021129821W WO2022068967A1 WO 2022068967 A1 WO2022068967 A1 WO 2022068967A1 CN 2021129821 W CN2021129821 W CN 2021129821W WO 2022068967 A1 WO2022068967 A1 WO 2022068967A1
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Prior art keywords
stage
target
frequency
sleep
rotational speed
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PCT/CN2021/129821
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English (en)
Chinese (zh)
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罗荣邦
崔俊
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青岛海尔空调器有限总公司
青岛海尔空调电子有限公司
海尔智家股份有限公司
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Publication of WO2022068967A1 publication Critical patent/WO2022068967A1/fr

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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
    • F24F11/66—Sleep mode
    • 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
    • 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
    • F24F2120/00—Control inputs relating to users or occupants
    • F24F2120/10—Occupancy
    • F24F2120/14—Activity of occupants
    • 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

Definitions

  • the invention relates to the technical field of air conditioners, in particular to a sleep mode control method.
  • Noise is one of the most important factors affecting human sleep. If the noise is too loud, especially loud noises or irregular noises, it is most likely to cause insomnia or inability to fall asleep deeply, and ultimately lead to lack of spirit and powerlessness.
  • the existing air conditioner has a sleep mode, in order to reduce the operating noise of the air conditioner when the user is sleeping.
  • the current sleep mode only mechanically adjusts the rotational speed of the indoor fan and the operating frequency of the outdoor compressor. This control method does not take into account the user's comfort needs, resulting in reduced environmental comfort and affecting user experience.
  • the present application provides a sleep mode control method, the air conditioner includes a compressor and a The indoor fan is characterized in that, the control method includes:
  • the target frequency and the target rotational speed of each sleep stage are predetermined according to the human comfort level test.
  • the sleep stages include a first stage, a second stage and a third stage in chronological order, and correspondingly the target frequency includes a first target frequency and a second target frequency and a third target frequency, the target rotational speed includes a first target rotational speed, a second target rotational speed and a third target rotational speed,
  • the step of "determining the frequency conversion speed of the compressor in each sleep stage based on the actual operating frequency and the target frequency in each sleep stage" further comprises:
  • the step of "determining the acceleration of the indoor fan in each sleep stage based on the actual rotational speed and the target rotational speed of each sleep stage" further includes:
  • a third acceleration of the indoor fan in the third stage is calculated.
  • the first target frequency is equal to the second target frequency, and the third target frequency is smaller than the second target frequency ; the second target rotational speed is smaller than the first target rotational speed, and the third target rotational speed is greater than the second target rotational speed.
  • the step of "controlling the operation of the compressor and the indoor fan according to the frequency conversion speed and acceleration of each sleep stage" further includes:
  • controlling the compressor to reduce frequency at the first frequency conversion speed in the first stage and to reach the first target frequency at the end of the first stage;
  • the compressor is controlled to first reduce the frequency to a third target frequency at the third frequency conversion speed in the third stage, and then keep running at the third target frequency until the third stage ends.
  • the step of "controlling the operation of the compressor and the indoor fan according to the frequency conversion speed and acceleration of each sleep stage" further includes:
  • the indoor fan is controlled to run at the third acceleration at the third stage and to reach the third target rotational speed at the end of the third stage.
  • the first target frequency is greater than the second target frequency, and the second target frequency is lower than the third target frequency; the second target rotational speed is lower than the first target rotational speed, and the third target rotational speed is greater than the second target rotational speed.
  • the step of "controlling the operation of the compressor and the indoor fan according to the frequency conversion speed and acceleration of each sleep stage" further includes:
  • controlling the compressor to reduce frequency at the first frequency conversion speed in the first stage and to reach the first target frequency at the end of the first stage;
  • the compressor is controlled to up-convert at the third frequency conversion speed in the third stage and to reach the third target frequency at the end of the third stage.
  • the step of "controlling the operation of the compressor and the indoor fan according to the frequency conversion speed and acceleration of each sleep stage" further includes:
  • the indoor fan is controlled to run at the third acceleration at the third stage and to reach the third target rotational speed at the end of the third stage.
  • the duration of each sleep stage is determined based on historical operation start data of the sleep mode.
  • the target frequency and the target rotational speed of each sleep stage are determined based on the following methods:
  • the target frequency of the compressor and the target speed of the fan in each sleep stage are determined.
  • the control method of the sleep mode of the present application is more in line with the characteristics of human sleep patterns, and the control accuracy of the sleep mode is improved.
  • control method of the sleep mode of the present application is more suitable for the actual use scene, and it is ensured that different seasons have better performance. user experience.
  • the target frequency of the compressor and the target of the indoor fan are determined based on the environmental comfort score test of the bionic dummy.
  • the rotation speed is also more suitable for the actual use of the user, so that the control method of the sleep mode is accurate, reasonable and reliable.
  • Fig. 2 is the control process curve diagram of the control method of the sleep mode of the application under the cooling mode
  • FIG. 3 is a control process curve diagram of the sleep mode control method of the present application in a heating mode.
  • FIG. 1 is a flowchart of the control method of the sleep mode of the present application.
  • the present application provides a sleep mode control method, which is applied to the air conditioner, wherein the air conditioner includes an indoor heat exchanger, an outdoor
  • the air conditioner includes an indoor heat exchanger, an outdoor
  • the specific connection methods and working principles of heat exchangers, compressors, expansion valves, indoor fans, outdoor fans, etc. belong to common knowledge in the art, and will not be repeated here.
  • the control method of the sleep mode mainly includes the following steps:
  • the air conditioner enters the sleep mode, obtain the actual operating frequency of the compressor and the actual rotational speed of the indoor fan; for example, a button for sleep mode is set on the remote control of the air conditioner, and the user presses the button to start the sleep mode, or the user also
  • the sleep mode can be turned on through a client communicating with the server or the air conditioner, wherein the client can be an APP installed on a mobile terminal, and the mobile terminal includes but is not limited to a mobile phone, a tablet computer, and the like.
  • the method of obtaining the actual operating frequency of the compressor and the actual rotational speed of the indoor fan is relatively common in the field, and this application does not limit this, and any method that can obtain the actual operating frequency of the compressor and the actual rotational speed of the indoor fan can be applied in this application.
  • the sleep stages are preferably divided into three stages, namely the first stage, the second stage and the third stage, wherein the first stage is the falling asleep stage, and the first stage is the sleep-onset stage.
  • the second stage is the deep sleep stage
  • the third stage is the pre-sleep stage.
  • the target frequency and the target rotational speed respectively refer to the operating parameters that the compressor and the indoor fan need to reach at the end of each sleep stage, that is, the compressor needs to reach at the end of the first stage, the second stage and the third stage respectively. , and the speed that the indoor fan needs to reach at the end of the first, second and third stages.
  • the target frequencies of the above three stages are respectively recorded as the first target frequency, the second target frequency and the third target frequency, and your target rotational speed in the above three stages are recorded as the first target rotational speed and the second target frequency respectively. rotational speed and the third target rotational speed.
  • the target frequency and target rotational speed of each sleep stage are pre-determined according to the human comfort level test, that is to say, the target frequency and target rotational speed are determined based on the comfort level of the human body during sleep, which will be discussed below.
  • the target frequency of the compressor in each sleep stage and the target rotational speed of the indoor fan in each operating stage may be stored in the air conditioner in advance, such as in the memory of the air conditioner. When the control method is executed, only The target frequency and target rotational speed need to be retrieved from the memory.
  • S105 Determine the frequency conversion speed of the compressor in each sleep stage based on the actual operating frequency and the target frequency of each sleep stage; for example, after obtaining the actual operating frequency of the compressor and the target frequency of each sleep stage, based on the actual
  • the operating frequency and the first target frequency are used to calculate the first inverter speed of the compressor in the first stage, and the second inverter speed of the compressor in the second stage is calculated based on the first target frequency and the second target frequency.
  • the three target frequencies calculate the third inverter speed of the compressor in the third stage.
  • the first target frequency, the second target frequency and the third target frequency are all preset values, it is also possible to calculate the value based on the first target frequency and the second target frequency
  • the second frequency conversion speed and the third frequency conversion speed calculated based on the second target frequency and the third target frequency are stored in the air conditioner in advance, which is convenient for direct calling when the control method is running.
  • S107 Determine the acceleration of the indoor fan in each sleep stage based on the actual speed and the target speed of each sleep stage; for example, after obtaining the actual speed of the indoor fan and the target speed of each sleep stage, based on the actual speed and the first speed
  • a target speed calculates the first acceleration of the indoor fan in the first stage, calculates the second acceleration of the indoor fan in the second stage based on the first target speed and the second target speed, and calculates the indoor fan based on the second target speed and the third target speed.
  • the third acceleration in the third stage is
  • the calculation based on the first target rotational speed and the second target rotational speed may also be The second acceleration and the third acceleration calculated based on the second target rotational speed and the third target rotational speed are stored in the air conditioner in advance, which is convenient for direct calling when the control method is running.
  • the noise generated by the air conditioner is divided into compressor noise, outdoor fan noise, indoor fan noise, etc.
  • the doors and windows are generally closed, and the outdoor fan noise is hardly transmitted to the indoor side, so the noise that affects sleep Mainly for indoor fan noise and compressor noise.
  • the present application can control the operating noise of the compressor and the indoor fan in a targeted manner, and take into account the comfort of the user.
  • running in sleep mode it not only ensures that the operating noise is in a suitable range, but also ensures the cooling and heating effect of the air conditioner.
  • the target frequency and target rotational speed of each sleep stage are determined based on the following methods:
  • Control the thermal state of the bionic dummy in each sleep stage adjust the indoor environment parameters, and collect test data of the bionic dummy in each sleep stage; based on the test data, score the environmental comfort of each sleep stage; Determine the target frequency of the compressor and the target speed of the fan in each sleep stage.
  • a scoring system based on bionic dummy is first established, including bionic dummy, measurement and control system and evaluation system.
  • the bionic dummy includes a body, which is divided into multi-segment body parts according to the heat transfer characteristics of the actual human body, and a heating layer, an isothermal layer and a thermal insulation layer are arranged on the inner side of each segment body to simulate the real metabolism of the human body; measurement and control The system is connected with each section of the body, used to measure the surface temperature value and surface heat flow value of the body, and independently control the surface heat flow value of each section of body to make each section of body in a comfortable state; the evaluation system is based on the body of the body.
  • the equivalent space temperature of the bionic dummy is obtained from the surface temperature value, the surface heat flow value, and the input thermal resistance of the clothing (which needs to be calibrated in advance), and the indoor thermal environment comfort is evaluated according to the equivalent space temperature of the bionic dummy.
  • the invention patent application with publication number CN107024497A, which will not be repeated in this application.
  • the indoor test environment simulation mainly simulates the home environment, and builds an experimental room with a bed in the room to simulate the home environment.
  • the bionic dummy was placed on the bed by wearing pajamas and quilts, so as to restore the clothing state of the human body during sleep to the greatest extent.
  • the thermal state of the bionic dummy in each sleep stage is controlled; wherein, the thermal state of the bionic dummy in each sleep stage can be controlled by means of PID adjustment, such as
  • PID adjustment such as
  • the thermal state control formula of the bionic dummy in each sleep stage is determined separately to simulate the thermal state of the human body in different sleep stages.
  • those skilled in the art can also obtain a new thermal state control formula suitable for the sleep stage based on the existing comfort equation of the sleeping environment, and then control the thermal state of the bionic dummy based on the thermal state control formula.
  • the indoor environment parameters such as adjusting the set temperature of the room air conditioner, the wind speed of the indoor fan, the wind speed of the outdoor fan, the frequency of the compressor, etc., so that the noise of the indoor environment is adjusted. Meet certain preset conditions, such as noise less than 40dB and so on.
  • the test data of the bionic dummy in the current sleep stage under the current indoor environmental parameters are collected, including the surface temperature value and surface heat flow value of each partition body of the bionic dummy, and then based on the test data The data is used to calculate the comfort score of the current indoor environment.
  • the specific data collection process and scoring process will not be repeated in this application, and reference may be made to the above-mentioned invention patent application with publication number CN107024497A.
  • Table 1 below is an example.
  • Table 1 shows a set of test data. After adjusting the operating parameters, start to measure the surface temperature value and surface heat flow value of the bionic dummy, and then calculate the current indoor environment according to the conversion relationship. The whole body equivalent space temperature is further calculated based on the whole body equivalent space temperature to obtain the score under the current indoor environment. It can be seen from Table 1 that at the beginning of the test, the whole body equivalent space temperature of the bionic dummy was low, and as the test progressed, the whole body equivalent space temperature began to increase, and the corresponding score value gradually increased. When the indoor environment is stable, the whole body equivalent space temperature and the corresponding score of the bionic dummy are stable within a certain interval. Thereby, the score of this test can be calculated based on the test data in the stable phase.
  • test data are given in Table 1, these data are only exemplary.
  • the test data and the target determined based on the test The frequency and target speed may be different.
  • the target frequency of the compressor and the target speed of the fan in each sleep stage are determined.
  • one or several sets of test data with the highest scores in each sleep stage can be selected based on the test score results, and the noise control effect is better in this one or several sets of test data.
  • the frequency of the compressor and the rotational speed of the indoor fan in the air-conditioning parameters corresponding to the data are taken as the target frequency and target rotational speed of each sleep stage.
  • the target frequency and target rotational speed of the stage is also possible to first determine the heat exchange required for each sleep stage based on the test data, and then calculate or test the operating frequency of the compressor and the rotational speed of the indoor fan that satisfy the heat exchange based on the heat exchange as each sleep stage. The target frequency and target rotational speed of the stage.
  • the control method of the sleep mode is accurate, reasonable and reliable.
  • the test personnel can also use the average thermal sensation index (Predicted Mean Vote PMV) and the predicted percentage of dissatisfied persons (Predicted Percentage of Dissatisfied PPD) to evaluate the comfort of the sleep stage.
  • the main factors affecting thermal comfort are air temperature, air relative humidity, average radiant temperature, relative air velocity, metabolic rate of human activity and basic thermal resistance of clothing.
  • the test personnel can calculate the PMV index to reflect the comfort of the current environment by collecting the parameters of the test object (such as bionic dummy or test user) and the experimental environment according to the method of the national standard GB/T 18049-2017, and then based on the calculation results, The target frequency of the compressor in each sleep stage and the target speed of the indoor fan in each sleep stage were determined based on the experimental data with a PMV index of zero or close to zero.
  • FIG. 2 is a control process curve diagram of the sleep mode control method of the present application in a cooling mode
  • FIG. 3 is a control process curve diagram of the sleep mode control method of the present application in a heating mode.
  • the sleep stages include a first stage (t c0 ⁇ t c1 ), a second stage (t c1 ⁇ t c2 ) and a third stage (t c2 ⁇ t c3 ).
  • the first target frequency ie, the frequency corresponding to time t c1 in FIG. 2
  • the second target frequency ie, time t c2 in FIG.
  • the third target frequency (that is, the frequency corresponding to time t c3 in Figure 2) is smaller than the second target frequency;
  • the third target rotational speed ie, the rotational speed corresponding to time t c3 in FIG. 2 ) is greater than the second target rotational speed.
  • the compressor frequency when the current air conditioner enters the sleep mode is f 0 (that is, the frequency corresponding to time t 0 in FIG. 2 ), and the rotational speed of the indoor fan is r 0 (that is, the rotational speed corresponding to time t 0 in FIG. 2 ) ), at this time, the frequency conversion speed and acceleration of each sleep stage are determined according to the following formula:
  • v c1 (f c1 -f c0 )/[(t c1 -t c0 ) ⁇ 3600] (1)
  • v c3 n ⁇ (f c3 -f c2 )/[(t c3 -t c2 ) ⁇ 3600] (3)
  • a c2 (r c2 -r c1 )/[(t c2 -t c1 ) ⁇ 3600] (5)
  • a c3 (r c3 -r c2 )/[(t c3 -t c2 ) ⁇ 3600] (6)
  • v c1 is the first frequency conversion speed
  • v c2 is the second frequency conversion speed
  • v c3 is the third frequency conversion speed
  • f c1 is the first target frequency
  • f c2 is the second target frequency
  • f c3 is the third target frequency
  • a c1 is the first acceleration
  • a c2 is the second acceleration
  • a c3 is the third acceleration
  • n is a coefficient, and n>1, in this application, the value range of n can be 6-12.
  • the step of "controlling the operation of the compressor and the indoor fan according to the frequency conversion speed and acceleration of each sleep stage" further includes:
  • Compressor control the compressor to run at the first frequency conversion speed in the first stage, and reach the first target frequency at the end of the first stage; control the compressor to keep the second target frequency in the second stage until the second stage End; control the compressor to rapidly reduce the frequency to the third target frequency at the third frequency conversion speed in the third stage, and then keep the third target frequency running until the end of the third stage.
  • Indoor fan control the indoor fan to run at the first target speed in the first stage until the end of the first stage; control the indoor fan to run at the second acceleration in the second stage, and reach the second target speed at the end of the second stage ; Control the indoor fan to run at the third acceleration at the third stage, and reach the third target speed at the end of the third stage.
  • control method of the air conditioner includes: controlling the compressor to run at an increased frequency and the indoor fan to run at an increased speed.
  • the air conditioner When the air conditioner enters the sleep mode in the cooling mode, due to more human activities before sleep, more heat dissipation, and higher body temperature, the air temperature of the air conditioner is required to be low. With the deepening of sleep, the heat dissipation is less and less, and the need for cooling is less and less.
  • the present application adopts different control modes of compressors and indoor fans in each sleep stage, so that the control method of the sleep mode is more in line with the characteristics of human sleep patterns, and the control accuracy of the sleep mode is improved.
  • the control method of rapidly reducing the frequency to the third target frequency in the third stage can also meet the strict requirements for noise at the end of the sleep cycle and improve the user experience.
  • controlling the compressor to increase the frequency and the indoor fan to increase the speed can also eliminate the dryness and heat after the user wakes up, and improve the comfort of the user after getting up.
  • the sleep stages also include a first stage (t h0 ⁇ t h1 ), a second stage (t h1 ⁇ t h2 ) and a third stage (t h2 ⁇ t h3 ) ).
  • the target frequency and the target rotational speed have the following relationship: the first target frequency (that is, the frequency corresponding to time t h1 in FIG. 3 ) is greater than the second target frequency (that is, t h2 in FIG.
  • the second target frequency is smaller than the third target frequency (that is, the frequency corresponding to time t h3 in Figure 3);
  • the second target speed (that is, the speed corresponding to time t h2 in Figure 3) is smaller than the first target speed ( That is, the rotational speed corresponding to time t h1 in FIG. 3 ), and the third target rotational speed (that is, the rotational speed corresponding to time t h3 in FIG. 3 ) is greater than the second target rotational speed.
  • the compressor frequency when the current air conditioner enters the sleep mode is f 0 (that is, the frequency corresponding to time t 0 in FIG. 3 ), and the rotational speed of the indoor fan is r 0 (that is, the rotational speed corresponding to time t 0 in FIG. 3 ) ), at this time, the frequency conversion speed and acceleration of each sleep stage are determined according to the following formula:
  • v h1 is the first frequency conversion speed
  • v h2 is the second frequency conversion speed
  • v h3 is the third frequency conversion speed
  • f h1 is the first target frequency
  • f h2 is the second target frequency
  • f h3 is the third target frequency
  • a h1 is the first acceleration
  • a h2 is the second acceleration
  • a h3 is the third acceleration.
  • the step of "controlling the operation of the compressor and the indoor fan according to the frequency conversion speed and acceleration of each sleep stage" further includes:
  • Compressor control the compressor to run at the first frequency conversion speed in the first stage, and reach the first target frequency at the end of the first stage; control the compressor to run at the second frequency conversion speed in the second stage, and at the At the end of the second stage, the second target frequency is reached; the compressor is controlled to run at a third frequency conversion speed in the third stage, and the third target frequency is reached at the end of the third stage.
  • Indoor fan control the indoor fan to run at the first target speed in the first stage until the end of the first stage; control the indoor fan to run at the second acceleration in the second stage, and reach the second target speed at the end of the second stage ; Control the indoor fan to run at the third acceleration at the third stage, and reach the third target speed at the end of the third stage.
  • control method of the air conditioner includes: controlling the compressor and the indoor fan to maintain the current operation state.
  • the air conditioner When the air conditioner enters the sleep mode in the heating mode, because the human body dissipates more heat before sleep and the body temperature is lower, the air temperature of the air conditioner is required to be higher. With the deepening of sleep, the heat dissipation is less and less, and with the addition of a quilt to keep warm, the demand for heat is less and less.
  • the control method of the sleep mode is more in line with the characteristics of human sleep laws, and the control accuracy of the sleep mode is improved.
  • the compressor In the third stage, the compressor is controlled to increase the frequency and the indoor fan to increase the speed.
  • controlling the compressor and indoor fan to maintain the current operating state can also prevent the indoor temperature from fluctuating after the user wakes up, and improve the comfort of the user after getting up.
  • control method of the sleep mode of the present application is more suitable for the actual use scene, and it is ensured that different seasons have better performance. user experience.
  • the three sleep stages are determined based on historical operational startup data for sleep modes. Specifically, when the user uses the sleep mode, the time data when the user turns on the sleep mode and when the sleep mode is turned off are recorded, the duration of the user's sleep stage is determined based on the time data, and finally, based on the duration of the sleep stage, the user is divided into three sleep stage.
  • the range of the three sleep stages may be: the first stage lasts for 1-2 hours, the second stage lasts for 2-5 hours, and the third stage lasts for 0.5-1 hour.
  • the control method of the present application can also provide different sleep mode control modes for users with different habits, meet the individual needs of users, and make the air conditioner more user-friendly.
  • steps S101 and S103 may be performed simultaneously or in reverse order
  • steps S105 and S107 may be performed simultaneously or in reverse order.

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  • Air Conditioning Control Device (AREA)

Abstract

Procédé de commande de mode veille, consistant à : lorsqu'un climatiseur entre dans un mode veille, acquérir une fréquence de fonctionnement réelle d'un compresseur et une vitesse de rotation réelle d'un ventilateur intérieur; acquérir une fréquence cible et une vitesse de rotation cible dans chaque stade de veille; sur la base de la fréquence de fonctionnement réelle et de la fréquence cible dans chaque stade de veille, déterminer une vitesse de conversion de fréquence du compresseur dans chaque stade de veille; sur la base de la vitesse de rotation réelle et de la vitesse de rotation cible dans chaque stade de veille, déterminer une accélération du ventilateur intérieur dans chaque stade de veille; et commander le fonctionnement du compresseur et du ventilateur intérieur en fonction de la vitesse de conversion de fréquence et de l'accélération dans chaque stade de veille. Au moyen du procédé de commande, les exigences doubles d'un bruit de fonctionnement d'un climatiseur et d'un niveau de confort d'un utilisateur peuvent toutes deux être prises en considération; et dans un mode veille, il est garanti que le bruit de fonctionnement se trouve dans un intervalle approprié, et les effets de refroidissement et de chauffage du climatiseur sont également assurés.
PCT/CN2021/129821 2021-04-25 2021-11-10 Procédé de commande de mode veille WO2022068967A1 (fr)

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