WO2019075821A1 - Procédé de commande de climatiseur dans une salle de classe multimédia - Google Patents

Procédé de commande de climatiseur dans une salle de classe multimédia Download PDF

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Publication number
WO2019075821A1
WO2019075821A1 PCT/CN2017/111812 CN2017111812W WO2019075821A1 WO 2019075821 A1 WO2019075821 A1 WO 2019075821A1 CN 2017111812 W CN2017111812 W CN 2017111812W WO 2019075821 A1 WO2019075821 A1 WO 2019075821A1
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Prior art keywords
air supply
executing
air
temperature
distance
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PCT/CN2017/111812
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English (en)
Chinese (zh)
Inventor
陈鹏宇
滕凯
赵鹏祥
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深圳市鹰硕技术有限公司
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Publication of WO2019075821A1 publication Critical patent/WO2019075821A1/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/61—Control or safety arrangements characterised by user interfaces or communication using timers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—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
    • F24F11/62—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
    • 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
    • F24F11/70—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
    • F24F11/87—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units
    • F24F11/871—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling absorption or discharge of heat in outdoor units by controlling outdoor fans

Definitions

  • the invention relates to a control method for an air conditioner, in particular to an air conditioner control method for a multimedia classroom.
  • the multimedia classroom is composed of multimedia computers, LCD projectors, digital video display stands, central control systems, projection screens, audio equipment and other modern teaching equipment.
  • the large-scale multimedia classrooms in the past have gradually been replaced by medium-sized multimedia classrooms.
  • This medium-sized multimedia classroom is larger than the average classroom area, but larger than the large multimedia classroom area. It is much smaller, not suitable or necessary to install central air conditioning, so large indoor indoor hooks or cabinets become the first choice for this type of medium-sized multimedia classroom.
  • the air conditioner can estimate room-related information such as room shape simply and accurately based on the room information estimating device and the room information estimating method.
  • a room information estimating device that estimates information related to a room includes: an image capturing unit that photographs a room to be estimated; a human body detecting unit that detects a human body from an image captured by the image capturing unit, thereby obtaining a position of a human body in the room; and a presence generating unit And generating a presence map indicating distributions of detection points of the human body detected from the plurality of images captured at different times; and estimating means for estimating information related to the room based on the presence map.
  • the human body detecting component can detect the face, the head, or the upper body of the person from the image, and obtain the position of the human body in the room based on the position, size, and size of the face, the head, and the upper body in the image.
  • the estimating component is capable of estimating a polygon circumscribing the distribution of the detection points in the existing map as the shape of the room. That is, for a conventional room, detecting the shape of the room and the number distribution of the characters are not technical problems
  • a method for controlling an air conditioner is also disclosed in the prior art in the prior art, comprising: controlling an air conditioner to enter a comfort control mode; controlling an air conditioner to adjust an indoor temperature to a set temperature; determining a current PMV value; and determining a PMV value according to the determined Set the temperature, relative humidity and wind speed to adjust.
  • the air conditioner can satisfy the requirements of the user's comfort, and at the same time, the air conditioner can be operated in an energy-saving manner and the energy consumption can be reduced. That is, determine the temperature first, then determine the humidity, and save energy according to the control method.
  • the air supply of the air conditioner comprises: detecting the position information of the human body in the current room in real time; detecting the ambient temperature of the current indoor room in real time; obtaining the set temperature of the air conditioner; calculating the suitable air supply of the air conditioner according to the position information of the human body, the ambient temperature and the set temperature; Angle and air supply speed; control the air conditioner to operate according to the air supply angle and the air supply speed.
  • the utility model realizes an air conditioner adaptive control method based on human body position information, so that the air conditioner can automatically adjust the air supply angle and the air supply speed, thereby providing a more comfortable intelligent wind experience for the user and improving the user experience.
  • the calculated air supply speed is more accurate, and the user experience is further improved.
  • this method does not take into account the influence of the room area on the air supply operation.
  • the control method includes the steps of: receiving a range detection signal of the ultrasonic detecting device installed on the air conditioner; determining a range of human activities in the temperature control region of the air conditioner according to the range detecting signal; and controlling according to the range of the human activity
  • the air conditioner performs air supply in all directions or air supply in a sub-area.
  • the utility model detects the size of the human activity range in the temperature regulation area of the air conditioner through the ultrasonic detecting device installed on the air conditioner, and selects and determines the air supply mode of the air conditioner according to the detected range of the human activity, or the sub-area air supply or sub-area.
  • Air supply It disclosed the concept of sub-regional air supply, but only stayed in the preliminary concept stage, and did not give specific means.
  • Air conditioning control techniques using dual temperature sensors to detect a person's body temperature have also appeared in the prior art, with one sensor sensing the temperature of the heat and the other detecting whether it is below a certain value.
  • the temperature zone is used to adjust the concept of air conditioning operation, but this air conditioning calculation is very complicated, and the most important thing is that it cannot adapt to a large indoor environment, and it cannot be applied to a large number of cases. Because of the large number of people, temperature detection is difficult to achieve. And it is difficult to control the air supply parameters according to the temperature of the body surface.
  • the filtering method is to compare the temperature of the heat source with a preset temperature. If the temperature of the heat source is higher than the preset temperature, the heat source is determined to be a high temperature. Heat source and filter out.
  • the preset temperature is related to the indoor ambient temperature and the distance between the heat source and the air conditioner. The higher the indoor ambient temperature, the closer the heat source is to the air conditioner, the higher the preset temperature; the lower the indoor ambient temperature, the farther the heat source is from the air conditioner. The lower the preset temperature.
  • the invention determines the preset temperature according to the indoor ambient temperature and the distance between the heat source and the air conditioner, and determines that the heat source is high temperature heat when the heat source temperature is higher than the preset temperature determined according to the indoor ambient temperature and the distance between the heat source and the air conditioner. Source and filter out. Therefore, the present invention can more accurately filter out high temperature heat sources, prevent false positives, and improve detection accuracy.
  • This technique refers to judging whether it is a human body heat source based on the distance of infrared detection and the distance from the air conditioner. This method has begun to judge the air supply condition according to the distance, but it does not consider the difference in distance for large-area indoor temperature adjustment. Objective facts.
  • Control of indoor humidity has also appeared in the prior art. It is based on the number of people to control. When the number of people is greater than a certain value, the air conditioner is controlled to perform dehumidification to a minimum threshold, but if it is not greater than a certain threshold, it rises to the upper limit of humidity, but this control method may be applicable to a small-area room because of a small room.
  • the humidity detection is accurate, although the number of people changes, but as long as it does not exceed one value, there is no problem in a small range. However, for large-area indoors, it is difficult to accurately obtain the exact value of humidity, and whether the number is based on whether the number exceeds a certain number. It is not scientific to judge whether or not to dehumidify itself. It does not consider complex environmental changes.
  • the dehumidification method of the air conditioning system includes: detecting an ambient temperature in the room; respectively detecting a plurality of temperatures of the plurality of positions of the evaporator of the air conditioning system; and calculating a target humidity interval at the ambient temperature according to the ambient temperature; The target humidity interval and the ambient temperature obtain a dew point temperature interval; determine a lowest temperature among the plurality of temperatures; adjust the throttle valve of the air conditioner according to an upper limit value and a lower limit value of the lowest temperature and the dew point temperature interval, so that the lowest temperature is at Dew point temperature range.
  • the technical solution of the invention can control the throttle valve to make the minimum value of the evaporator temperature within the dew point temperature range corresponding to the comfortable temperature of the human body in the indoor environment temperature, thereby realizing the control of the indoor environment humidity and improving the user experience. .
  • the current research and development in the field of air-conditioning control mainly focuses on the temperature control in a small-area room.
  • This control is usually a fixed-value control, that is, giving a specified target temperature, and then adjusting the temperature of the entire room to the temperature, which is in a small area.
  • the indoors are easy to implement, but for medium-sized multimedia classrooms, although the number of air-conditioned indoor units increases, the method of fixed value control is difficult to achieve the expected results.
  • the air-conditioning indoor unit cannot be like the limitation of the installation position. In a small area indoors, or a large air conditioner in a large indoor air outlet, the air supply or air conditioning parameters can be evenly supplied from a point to a distance, and the heat source in a multimedia classroom is complicated.
  • the air conditioner calculates according to the conventional algorithm that the actual temperature cannot represent the objective situation in the room. Moreover, at present, when judging whether a dehumidification operation is required, it is often determined based on empirical parameters or a look-up table, and in a complicated environment, such judgment may be invalid.
  • the present invention has been made in order to propose air conditioning for a multimedia classroom that is more suitable for a medium-sized area.
  • the temperature difference in multimedia classrooms varies greatly. This is mainly due to the large number of multimedia classroom equipment. Because everyone uses a computer, and computer fever has a significant impact on the indoor environment, it can blur the temperature changes in the multimedia classroom. The perception is significantly related to the number and distribution of people in the classroom. Moreover, as an indoor environment in which a large temperature difference changes, in addition to temperature, humidity is also an important parameter that affects the comfort of a person.
  • a multimedia classroom air conditioning control method comprising: the following steps,
  • step S3 comprises:
  • S342 determining whether TS is smaller than TL, if it is executing S343, if not executing S344;
  • the air supply has a short air supply time in the short-distance air supply area, and the air supply has a long air supply time in the long-distance air supply area.
  • step S3 comprises:
  • S352 reduce the outdoor unit fan speed to the second speed, and maintain the second predetermined time
  • S354 It is judged whether X is smaller than the preset X', if yes, it returns to S351, and if not, it returns to S31.
  • step S3 comprises:
  • step S3 comprises:
  • S322 determining whether the TS is greater than the TU, if it is executing S323, if not executing S324;
  • the air supply has a long air supply time in the short-distance air supply area, and the air supply time in the long-distance air supply area is short.
  • step S4 comprises:
  • S422 dehumidifying the predetermined time, and detects the current real classroom humidity H;
  • step S4 comprises:
  • step S3 comprises:
  • the indoor temperature is increased to TU in a stepwise manner, and the air supply time in the short-distance air supply area is long, and the air-conditioning long-distance air supply area is sent.
  • the wind time is short.
  • step S3 comprises:
  • the indoor temperature is lowered to TL in a stepwise manner, and the air supply time in the short-distance air supply area is short, and the air-conditioning long-distance air supply area is sent.
  • the wind is long.
  • a technical solution for controlling the indoor temperature by using two parameters of the temperature interval and the distribution of the person is proposed for the first time. If it is determined that there is a person in the air supply near the air supply area, and the air conditioning remote air supply area is unmanned, if Then, the indoor temperature is increased to TU in a stepwise manner, and the air supply time in the short-distance air supply area is long, and the air supply time in the air supply long-distance air supply area is short.
  • the indoor temperature is lowered to TL in a stepwise manner, and the air supply time in the short-distance air supply area is short, and the air-conditioning long-distance air supply area is sent.
  • the wind is long.
  • the indoor temperature is adjusted according to the distribution of the indoor person, and the room temperature is always oscillated between TU and TL.
  • the room temperature will be stepwise adjusted to reach the upper limit of the temperature. Or a lower limit, or a value that stays between TL and TU.
  • the temperature difference of TS is ⁇ T. Step fluctuations are made, but eventually the upper or lower temperature limit is reached, or a value between TL and TU.
  • the air conditioner adjusts the air according to the temperature interval command issued by the user and the actual situation in the classroom.
  • the dehumidification step firstly, it is a dehumidification operation according to the change of the number of people. As long as the number of people changes, the humidity in the room is directly lowered to the lower limit of the comfort interval of the humidity, and then the detected R is actually The value is assigned to R. Next time, R is compared with R. As long as the number of people increases, the indoor humidity is reduced to the lower limit of the humidity comfort interval. However, if the number of people does not increase or decrease, the target humidity will be at present. The humidity value rises stepwise and finally stabilizes at the upper limit of the comfort interval.
  • This dehumidification judgment is very simple and easy, and it is easier to perform than the conventional use of various hard-to-obtain air parameters to determine whether the target humidity of dehumidification or dehumidification is performed. Compared with the prior art, it will judge whether the air conditioner is dehumidified from the absolute value of the number of people to the relative change value, which emphasizes the idea of accurate change of air conditioning control.
  • the humidity control in the present invention begins to reduce the humidity when a large number of people enter the room, and then the target value of the rising humidity of the step is consistent with the behavior of the person, and the air conditioner slowly adjusts the indoor humidity for a long period of time. And keep the indoor humidity in a comfortable interval.
  • Figure 1 is an air conditioner in the prior art
  • FIG. 2 is a flow chart of the air conditioning control of the present application.
  • compressor 1, four-way valve; 3, indoor heat exchanger; 4, refrigerant heater; 5, outdoor heat exchanger; 6, throttle components; 7, exhaust temperature sensor; Heat exchanger temperature sensor; 9, indoor ambient temperature sensor; 10, outdoor ambient temperature sensor.
  • first, second, third, etc. may be used to describe various information in the present invention, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information without departing from the scope of the invention.
  • second information may also be referred to as the first information.
  • word "if” as used herein may be interpreted as "when” or "when” or "in response to determination.”
  • the air conditioner in the present invention is an air conditioner in the prior art.
  • a typical air conditioner includes a compressor 1, a four-way valve 2, an indoor heat exchanger 3, an outdoor heat exchanger 5, and a section.
  • the flow unit 6, the compressor 1, the four-way valve 2, the indoor heat exchanger 3, the outdoor heat exchanger 5, and the throttle member 6 are connected by pipes to be a closed air-conditioning system; the present invention is characterized by further including a refrigerant heater 4.
  • the sensor 7 is disposed at the outlet of the compressor 1
  • the indoor heat exchanger temperature sensor 8 and the indoor ambient temperature sensor 9 are respectively disposed at the indoor heat exchanger 3
  • the outdoor ambient temperature sensor 10 is disposed at the outdoor heat exchanger 5 At the office.
  • the machine vision system for portrait detection and the humidity detection system (such as dry bulb detection) are also prior art, which are described in the background section and will not be described in detail.
  • the existing air conditioner can realize the accurate air supply in a small indoor area.
  • the Gree air conditioner has a wind deflector that can extend out of the indoor fuselage by using the push mechanism. The wind is controlled to blow in the upper and lower ranges, and the wind sweeping wind under the volute tongue and the air outlet is to control the left and right air supply, and the combination of the two can accurately supply the air.
  • a multimedia classroom air conditioning control method including the following steps.
  • S1 Start; this step can be done on the air conditioning control switch on the wall or the air conditioner remote control handle, in order to switch the air conditioning mode from the normal mode to the automatic mode proposed by the present invention.
  • the highest temperature TU here represents the upper limit of the temperature that is considered to be comfortable when the person farther from the air conditioner is in the air conditioning control room for the TU temperature, because the farther away from the air conditioner, the air conditioner blows out The wind of the same temperature has a feeling that it is different from the person who is close to the air conditioner. Therefore, when the air conditioner controls the temperature of the room to the upper limit of the temperature of the TU, the critical temperature that is far from the height of the air is considered to be comfortable. . On the contrary, TL is the lower temperature limit that people close to the air conditioner think comfortable.
  • the user inputs the highest temperature TU and the lowest temperature TL into the controller of the air conditioner in S11.
  • step detecting means which are conventional means.
  • the user will use a temperature zone to control the temperature in the room, thereby meeting the needs of temperature regulation and humidity control of the multimedia classroom.
  • step S3 it may further include:
  • S342 determining whether TS is smaller than TL, if it is executing S343, if not executing S344;
  • the air supply has a short air supply time in the short-distance air supply area, and the air supply has a long air supply time in the long-distance air supply area. This is also a mode of blowing air for people who are far away from air conditioners.
  • step S3 includes:
  • S352 reduce the outdoor unit fan speed to the second speed, and maintain the second predetermined time
  • S351 and S352 are for improving the working efficiency of the outdoor unit of the air conditioner.
  • the compressor outlet temperature of the outdoor unit of the air conditioner is detected, as shown in Fig. 1, the exhaust temperature sensor 7.
  • the application of the compressor passively increases the power to control the work of the external machine.
  • the outdoor unit compressor frequency is lowered.
  • the exhaust temperature sensor 7 detects that the compressor exhaust temperature is too low, reduces the outdoor unit fan speed to the first speed, and maintains the first predetermined time, which is The air intake of the external unit is reduced, the temperature of the refrigerant in the condenser of the outdoor unit is increased, and the temperature of the exhaust gas of the compressor is further increased after the cycle, so that the working efficiency of the compressor is passively improved. Further, reducing the outdoor unit fan speed to the second speed and maintaining the second predetermined time is also for the same purpose, except that the external unit air supply rate is further decreased.
  • S354 It is judged whether X is smaller than the preset X', if yes, it returns to S351, and if not, it returns to S31. That is, if the predetermined number of times is cycled, it is necessary to detect the situation of the person in the classroom again.
  • step S3 includes:
  • the cooling temperature of the air conditioner can only be based on a fixed value, but this value is between the two temperature values entered by the user.
  • step S3 comprises:
  • S322 determining whether the TS is greater than the TU, if it is executing S323, if not executing S324;
  • S323 Set the TS to TU; in step S322, S323 is to prevent the air conditioner from rising above the upper limit of TU.
  • the air supply has a long air supply time in the short-distance air supply area, and the air supply time in the long-distance air supply area is short.
  • step S3 includes:
  • the ladder type increases the indoor temperature to TU, and the air supply time in the short-distance air supply area is long, and the air supply time in the air supply long-distance air supply area is short.
  • the indoor temperature is lowered to TL in a stepwise manner, and the air supply time in the short-distance air supply area is short, and the air supply time in the air-conditioning long-distance air supply area is long.
  • the indoor temperature is adjusted according to the distribution of the indoor person, and the room temperature is always oscillated between TU and TL.
  • the room temperature will be stepwise adjusted to reach the upper limit of the temperature. Or a lower limit, or a value that stays between TL and TU.
  • the TS will fluctuate according to the temperature difference of ⁇ T, but eventually it will reach the upper or lower limit of the temperature, or stay between TL and TU. A certain value.
  • the air conditioner adjusts the air according to the temperature interval command issued by the user and the actual situation in the classroom.
  • the dehumidification in the prior art calls the parameter of dehumidification according to the result of each test or decides not to perform dehumidification, but for the multimedia classroom, the factors of the indoor environment influence are complicated, and various dehumidification parameters are difficult to obtain. Or it cannot reflect objective facts.
  • the present application proposes to determine whether dehumidification is required according to the change in the number of people. Because the increase in the number of people will inevitably bring about changes in indoor humidity, such as people's perspiration, people's water activities, etc., because basically people will not reduce the indoor humidity, it can be considered that the increase in the number of people will lead to an increase in indoor humidity.
  • the simple human value does not reflect the change in humidity, but the change in the number of people can objectively reflect the trend of humidity.
  • Step S4 includes:
  • S422 dehumidifying the predetermined time, and detects the current real classroom humidity H;
  • Another advantage of this method of dehumidification is that in the conventional method, it is impossible to cope with the situation that the indoor humidity rises rapidly at a certain time period due to the increase of people, because if a large number of people concentrate indoors, the humidity change in the room is not at first. Obvious, but may suddenly rise at a certain point in time later, which makes the dehumidification work load of the air conditioner compressor heavy, sometimes the air conditioner works abnormally because of the load exceeding the air conditioner, and the air volume is reduced when dehumidifying, which is not conducive to the temperature. control.
  • the humidity control in the present invention begins to reduce the humidity when a large number of people enter the room, and then the target value of the rising humidity of the step is consistent with the behavior of the person, and the air conditioner slowly adjusts the indoor humidity for a long period of time. And keep the indoor humidity in a comfortable interval.
  • the room temperature and humidity can be adapted to the needs of the multimedia classroom. If you need to jump out of the program, you can manually end the control method.
  • S31 judging whether there is someone in the air supply area of the air conditioner in close proximity, and if someone exists, it enters S32.
  • the air conditioner has a long air supply time in the short-distance air supply area, and the air conditioner supplies air in the long-distance air supply area. short time.
  • the air conditioner indoor unit since there is no one far from the air conditioner indoor unit, it is only necessary to satisfy the comfort of a person close to the air conditioner indoor unit. Since the indoor temperature is higher than the highest value TU of the comfort temperature, the TS is directly determined as the TU. It should be noted that when the indoor temperature is stable, the area away from the air conditioner indoor unit is higher than the upper limit of the comfort temperature. But because no one is in a faraway area, there is no impact on the user experience.
  • S31 judging whether there is someone in the air supply area of the air conditioner in close proximity, and if someone exists, it enters S32.
  • the air supply has a long air supply time in the short-distance air supply area, and the air supply time in the long-distance air supply area is short.
  • S422 dehumidifying the predetermined time, and detects the current real classroom humidity H;
  • the comfort value of the humidity in the present invention is set at the time of shipment, but this does not exclude that the humidity value can be artificially set.
  • the target temperature of the air conditioner should be lowered to TL, and the temperature will be slowly lowered by the gradient ⁇ T, and finally the area away from the air conditioner will be controlled at TL.
  • the detection of the temperature of the area away from the air conditioner sometimes requires the addition of an additional detection device outside the indoor unit of the air conditioner.
  • the air conditioner detects the indoor temperature only at the air inlet of the indoor unit, but such detection sometimes cannot adapt to the detection of the temperature in a large area.
  • the humidity control in the present invention starts to reduce the humidity when a large number of people enter the room, and then the target value of the rising humidity of the step is consistent with the behavior of the person, and the air conditioner slowly adjusts the indoor humidity for a long period of time. And keep the indoor humidity in a comfortable interval.

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  • Combustion & Propulsion (AREA)
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Abstract

La présente invention concerne un procédé de commande d'un climatiseur dans une salle de classe multimédia, ledit procédé comprenant : l'utilisation de points d'extrémité TL et TU d'une plage de températures pour ajuster l'air intérieur ; et la détermination de la présence d'une personne dans une zone d'alimentation en air proche du climatiseur et de l'absence d'une personne dans une zone d'alimentation en air éloignée du climatiseur : si tel est le cas, augmentation progressive de la température intérieure jusqu'à la TU, et allongement de la durée d'alimentation en air de la zone d'alimentation en air proche et raccourcissement de la durée d'alimentation en air de la zone d'alimentation en air éloignée du climatiseur, tandis que s'il est déterminé qu'il n'y a personne dans la zone d'alimentation en air proche du climatiseur et qu'une personne est présente dans la zone d'alimentation en air éloignée du climatiseur, diminution progressive de la température intérieure jusqu'à la TL, et raccourcissement de la durée d'alimentation en air de la zone d'alimentation en air proche du climatiseur et allongement de la durée d'alimentation en air de la zone d'alimentation en air éloignée du climatiseur. Grâce à l'utilisation conjointe d'une plage de températures et de la répartition des personnes, une meilleure adaptation aux exigences d'utilisation d'une salle de classe multimédia est possible.
PCT/CN2017/111812 2017-10-20 2017-11-20 Procédé de commande de climatiseur dans une salle de classe multimédia WO2019075821A1 (fr)

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CN201710981789.7A CN109708262B (zh) 2017-10-20 2017-10-20 一种多媒体教室空调控制方法
CN201710981789.7 2017-10-20

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WO2019075821A1 true WO2019075821A1 (fr) 2019-04-25

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