WO2020052369A1 - Procédé de commande pour climatiseur et climatiseur associé - Google Patents

Procédé de commande pour climatiseur et climatiseur associé Download PDF

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Publication number
WO2020052369A1
WO2020052369A1 PCT/CN2019/098983 CN2019098983W WO2020052369A1 WO 2020052369 A1 WO2020052369 A1 WO 2020052369A1 CN 2019098983 W CN2019098983 W CN 2019098983W WO 2020052369 A1 WO2020052369 A1 WO 2020052369A1
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WIPO (PCT)
Prior art keywords
air conditioner
temperature
human body
ambient temperature
air
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PCT/CN2019/098983
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English (en)
Chinese (zh)
Inventor
刘鹏
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青岛海尔空调器有限总公司
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Publication of WO2020052369A1 publication Critical patent/WO2020052369A1/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
    • F24F11/64—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
    • 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
    • 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
    • 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 belongs to the technical field of air conditioners, and specifically provides a control method of an air conditioner and an air conditioner.
  • the air conditioner is a device capable of cooling / heating the room. For example, in a hot summer, the air conditioner can reduce the indoor temperature by cooling and supplying air, thereby making people feel comfortable.
  • the air conditioner In the existing air conditioner, after the user sets the target temperature, the air conditioner will automatically run to gradually increase / decrease the indoor ambient temperature to the target temperature and maintain the target temperature, and the existing air conditioner is cooled by the air conditioner /
  • the wind speed of the supply air is usually changed according to the difference between the indoor temperature and the target temperature.
  • this control method that changes the wind speed according to the difference between the indoor temperature and the target temperature only considers the cooling efficiency and does not take into account the user experience.
  • the wind speed of the fan is high and the user's body temperature is low, this kind of transmission The wind method is very likely to cause discomfort to the human body. For example, a child or an elderly person with a weak constitution is always susceptible to illness at high wind speeds.
  • this air supply method cannot quickly reduce the user's body temperature to a suitable temperature, which seriously affects the user experience.
  • the present invention provides a control method of the air conditioner.
  • the control method includes:
  • the wind speed of the air-sending fan of the air conditioner is selectively adjusted.
  • the step of "selectively adjusting the wind speed of the air supply fan of the air conditioner based on the comparison result" further includes:
  • the first adjustment ratio is determined based on a difference between a surface temperature of a human body and the indoor ambient temperature, and / or a distance between the air conditioner and a human body;
  • the distance between the air conditioner and the human body is obtained by the air conditioner.
  • the step of "selectively adjusting the wind speed of the air supply fan of the air conditioner based on the comparison result" further includes:
  • the wind speed of the blower fan is selectively adjusted.
  • the step of "selectively adjusting the wind speed of the blower fan based on the comparison result" further includes:
  • the wind speed of the blower fan is adjusted according to a second adjustment ratio.
  • the second adjustment ratio is based on a difference between the surface temperature of the human body and the indoor environment temperature, a difference between the outdoor environment temperature and the indoor environment temperature, And / or determining the distance between the air conditioner and the human body;
  • the distance between the air conditioner and the human body is obtained by the air conditioner.
  • control method of the air conditioner further includes:
  • control method of the air conditioner before the step of "selectively adjusting the wind speed of the air blower of the air conditioner based on the comparison result", the control method further includes:
  • the air conditioner is controlled to enter a set air supply mode.
  • the step of "controlling the air conditioner to enter a set air supply mode based on a judgment result" further includes:
  • the air conditioner is controlled to enter an air supply automatic avoidance mode.
  • the present invention also provides an air conditioner, the air conditioner including a controller configured to be able to execute the control method of the air conditioner according to any one of the above-mentioned preferred technical solutions.
  • the control method of the air conditioner includes: obtaining the surface temperature of the human body and the indoor environment temperature; comparing the size of the human body surface temperature with the indoor environment temperature; and based on the comparison result, selecting Adjust the wind speed of the air supply fan of the air conditioner.
  • the control method of the air conditioner of the present invention can selectively adjust the wind speed of the blower fan according to the comparison result between the surface temperature of the human body and the indoor ambient temperature, so that the user can always be in a more comfortable environment, avoiding The uncomfortable situation caused by the wind speed is too high or too low, which improves the user experience.
  • the control method of adjusting the wind speed of the blower fan according to the first adjustment ratio, the first adjustment ratio based on the difference between the surface temperature of the human body and the indoor ambient temperature, and / or the distance between the air conditioner and the human body further makes the air conditioner An appropriate adjustment ratio can be determined based on the multi-variable parameters such as the surface temperature of the human body, the indoor ambient temperature, the distance between the human body and the air conditioner, and the relationship between these parameters.
  • the wind speed of the blower fan can be adjusted to make the wind speed match
  • the use environment and human condition are matched, so that the air conditioner can take into account both cooling efficiency and user experience during the working process, and achieve a balance between cooling efficiency and user experience.
  • FIG. 1 is a flowchart of a method for controlling an air conditioner according to the present invention
  • FIG. 2 is a control logic diagram of an air conditioner in a specific embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for controlling an air conditioner according to the present invention.
  • control method of the air conditioner of the present invention mainly includes the following steps:
  • the surface temperature of the human body and the indoor environment temperature can be collected by an infrared sensor provided on the air conditioner, and the indoor environment temperature can be obtained by the indoor environment temperature sensor, and the infrared sensor and the indoor environment temperature
  • the sensors are connected to the controller of the air conditioner, so that the collected indoor ambient temperature can be transmitted to the controller of the air conditioner in time.
  • the surface temperature of the human body is preferably the temperature of the human face.
  • the air-sending fan of the air conditioner Based on the comparison result, selectively adjust the wind speed of the air-sending fan of the air conditioner. For example, when the difference between the surface temperature of the human body and the indoor ambient temperature is greater than the first temperature threshold, it indicates that the user's body temperature is high at this time, that is, The user feels hot and needs the air conditioner to cool down to reduce the ambient temperature. At this time, by changing the wind speed of the blower fan, the air blown by the air conditioner can not cause discomfort to the human body, and can also reduce the ambient temperature around the user, thereby bringing comfort to the user.
  • control method of the air conditioner of the present invention can adjust the wind speed of the blower fan according to the comparison result of the surface temperature of the human body and the indoor ambient temperature, so that the user can always be in a comfortable environment and avoid the excessive wind speed. Human discomfort caused by high or too low appears, improving the user experience.
  • a temperature sensor connected to the controller of the air conditioner is worn on the human body to collect the surface temperature of the human body.
  • the specific installation position and form of the indoor ambient temperature sensor It can be installed on an air conditioner, or on an indoor wall or other electrical equipment, as long as the indoor ambient temperature sensor can collect the indoor ambient temperature. And it can be transmitted to the controller of the air conditioner after collection.
  • the surface temperature of the human body can also be the temperature of other exposed positions of the human body, such as the hands, neck, and / or arms, etc.
  • Those skilled in the art can flexibly set the specific temperature collection position of the surface temperature of the human body in practical applications, as long as Just get the surface temperature of the human body.
  • step S300 further includes:
  • the magnitude of the outdoor ambient temperature and the indoor ambient temperature are further compared; based on the comparison result, the wind speed of the blower is selectively adjusted. Specifically: when the difference between the surface temperature of the human body and the indoor ambient temperature is greater than the first temperature threshold, and the difference between the outdoor ambient temperature and the indoor ambient temperature is greater than the second temperature threshold, adjust the wind speed of the blower fan according to the second adjustment ratio .
  • the difference between the surface temperature of the human body and the indoor ambient temperature is less than or equal to the first temperature threshold, or the difference between the surface temperature of the human body and the indoor ambient temperature is greater than the first temperature threshold, and the difference between the outdoor ambient temperature and the indoor ambient temperature is less than or equal to At the second temperature threshold, the supply air fan is controlled to run at the current wind speed.
  • the first temperature threshold and the second temperature threshold may be 2 ° C, 3 ° C, 4 ° C, 5 ° C, etc.
  • the method for obtaining the outdoor environment temperature is the same as or similar to the method for obtaining the indoor environment temperature.
  • the air conditioner When the difference between the surface temperature of the human body and the indoor ambient temperature is greater than the first temperature threshold and the difference between the outdoor ambient temperature and the indoor ambient temperature is greater than the second temperature threshold, it proves that the human body temperature at this time compared to both the indoor ambient temperature and the outdoor ambient temperature High, it is necessary for the air conditioner to adjust the supply air speed to reduce the ambient temperature around the human body. At this time, by adjusting the wind speed according to the second adjustment ratio based on the current wind speed, it can provide the current indoor environment and the human body. Adapted wind speed to take into account both the cooling effect and the user experience.
  • the surface temperature of the human body is not significantly different from the indoor environment temperature or the outdoor environment temperature is not significantly different from the indoor environment temperature, it proves that the person is already in a relatively suitable temperature environment at this time, and there is no need to specifically adjust the surroundings of the human body. Ambient temperature, so there is no need to change the wind speed.
  • the air conditioner can also be improved. Determine whether to adjust the accuracy of the wind speed, that is, to avoid misjudgment of the air conditioner.
  • the air conditioner obtains a deviation in the surface temperature of the human body (for example, when the infrared sensor used to obtain the surface temperature of the human body fails), the outdoor environment temperature and the indoor environment can be determined The temperature is supplemented for judgment, so that the air conditioner does not frequently adjust the temperature of the supply air due to deviations in the temperature of the human body, avoiding excessive energy consumption due to misjudgment of the air conditioner, and improving the service life of the air conditioner.
  • first temperature threshold and the second temperature threshold may be equal in value or different, for example, the second temperature threshold may be set in a manner higher than the first temperature threshold.
  • the outdoor temperature sensor can also be obtained through an outdoor temperature sensor on an outdoor wall that is communicatively connected to the controller of the air conditioner, but of course it can also be obtained by other methods, as long as the outdoor ambient temperature can be obtained by the controller of the air conditioner.
  • the second adjustment ratio may be determined based on the difference between the surface temperature of the human body and the indoor environment temperature, the difference between the outdoor environment temperature and the indoor environment temperature, and / or the distance between the air conditioner and the human body.
  • the second adjustment ratio can be determined based on formula (1):
  • V represents the second adjustment ratio
  • A represents the difference between the surface temperature of the human body and the indoor ambient temperature
  • B represents the difference between the outdoor ambient temperature and the indoor ambient temperature
  • S represents the distance between the air conditioner and the human body.
  • the distance S between the air conditioner and the human body can be obtained based on an infrared sensor. Of course, it can also be obtained based on other sensors or electrical components capable of measuring distance.
  • the sensor can be installed at any position of the air conditioner as long as the installation position can detect Just the human body.
  • the control wind speed is adjusted to 1.6 times the original wind speed, taking into account the comfort and cooling efficiency.
  • cooling is required, because the human body is at a distance of 1 m from the air conditioner at this time, the distance is relatively short.
  • the supply wind speed may cause discomfort to the human body, so at this time, the control wind speed is adjusted to 80% of the original wind speed, which not only saves energy consumption, but also ensures the cooling effect, so that the wind blowing from the air conditioner can make the human body feel Comfortable.
  • the above formula (1) is only an example of a possible implementation of the second adjustment ratio, and a person skilled in the art can certainly adjust it, as long as the adjustment of the formula enables the adjustment of the wind speed based on the calculation result to take into account
  • the premise of comfort and cooling efficiency is sufficient.
  • the second adjustment ratio can also be calculated using the following formula (2):
  • control method before step S300, the control method further includes:
  • the first age threshold may be 60 years old, and the second age threshold may be 16 years old.
  • an image acquisition device such as a camera or a camera
  • the data is transmitted to the controller of the air conditioner for analysis and processing, so as to obtain the person's age according to human facial characteristics (such as facial color, hair color, and / or wrinkle length, etc.), and then the air conditioner enters the air supply automatically according to the person's age. Avoidance mode / Air supply automatic follow mode.
  • the first age threshold and the second age threshold can divide a person's age into three stages.
  • the first stage (that is, the age of the person is greater than or equal to the first age threshold) is an elderly person
  • the second stage the age of the person is less than The first age threshold and greater than the second age threshold are young or middle-aged
  • the third segment (that is, the person's age is less than or equal to the second age threshold) is a child. Due to the weak constitution of the elderly and children, the air conditioner should adopt the automatic air supply avoidance mode, that is, the air conditioner will not blow directly towards the place with the elderly and children, while the young and middle-aged constitution is strong, that is, the air conditioner will face There is concentrated air supply in places with young and middle-aged people.
  • the air supply automatic avoidance mode and the air supply automatic follow mode of the air conditioner can be realized by using the vertical guide plate and the horizontal air guide plate in the prior art, and details are not described herein again.
  • the control method of the present invention can automatically select the air supply mode according to the age of the person, and can be adjusted in a targeted manner.
  • the wind speed of the blower fan greatly improves the comfort of the human body, enables the air conditioner to meet the needs of everyone, and further enhances the user experience.
  • first age threshold and the second age threshold are only exemplary, and those skilled in the art can flexibly set specific age values of the first age threshold and the second age threshold in actual applications, as long as the first age threshold is passed
  • the age cutoff point determined by the second age threshold enables the air conditioner to determine whether to enter the automatic air supply avoidance mode or the automatic air supply follow mode.
  • the step of controlling the air conditioner to enter the set air supply mode based on the facial features of the human body may be omitted, but directly based on the difference between the surface temperature of the human body and the indoor temperature, and the outdoor ambient temperature and the indoor temperature.
  • the difference in ambient temperature controls the wind speed of the blower fan.
  • the comparison step between the outdoor ambient temperature and the indoor ambient temperature may be omitted, and the wind speed of the air blower may be controlled directly based on the surface temperature of the human body and the indoor ambient temperature.
  • the wind speed of the blower fan is adjusted according to the first adjustment ratio.
  • the first temperature threshold may be 2 ° C, 3 ° C, 4 ° C, etc.
  • the first adjustment ratio is similar to the second adjustment ratio, and may be based on the difference between the surface temperature of the human body and the indoor ambient temperature and / or the difference between the air conditioner and the human body.
  • the distance is ok. For example, it can be determined by referring to the following formula (3):
  • the values of the first temperature threshold, the second temperature threshold, and the coefficients of the parameters in formula (1) may be the same or different.
  • the wind speed variation coefficient ⁇ in formula (1) can be reduced to prevent the wind speed of the adjusted air blower from being too large and causing physical discomfort.
  • FIG. 2 is a control logic diagram of the air conditioner in a specific embodiment of the present invention.
  • the air conditioner is turned on, firstly, the facial features of the human body are automatically recognized, and the age N of the person is estimated based on the facial features of the human body. If the person's age N is less than the first age threshold N 1 and greater than the second age threshold N 2 , it means that the person is young or middle-aged, then the air conditioner is controlled to enter the automatic follow-up mode of the air supply; otherwise, if the person's age N is greater than or equal to If the first age threshold N 1 or the age N of the person is less than or equal to the second age threshold N 2 , it means that the person is an elderly person or a child, and then the air conditioner is controlled to enter the automatic air supply avoidance mode.
  • the human facial temperature T X , the indoor ambient temperature T Y, and the outdoor ambient temperature T Z are obtained , and according to the human facial temperature T X and the indoor ambient temperature T Y and outdoor ambient temperature T Z determine whether the condition of the air conditioner to automatically adjust the wind speed of the air blower is satisfied.
  • the air conditioner is controlled to automatically adjust the wind speed of the blower fan according to the second adjustment ratio; if the human face temperature T X and the indoor ambient temperature T Y If the difference is less than the temperature threshold T A , or the difference between the outdoor ambient temperature T Z and the indoor ambient temperature T Y is less than the second temperature threshold T B , the air conditioner does not automatically adjust the wind speed of the blower fan and continues to obtain the human face temperature T X , indoor ambient temperature T Y and outdoor ambient temperature T Z.
  • the present invention also provides an air conditioner including a controller configured to be able to execute the control method of the air conditioner described in the above embodiment.
  • the controller may be a control chip provided in an indoor unit or an outdoor unit, may be a controller specifically used to execute the method of the present invention, or may be a function module or a functional unit of a universal controller.
  • the present invention can also be applied to other functional modes of the air conditioner, such as the heating mode and the air supply mode.
  • the step of “selectively adjusting the wind speed of the air blower of the air conditioner based on the comparison result” includes: when the surface temperature of the human body is lower than the indoor ambient temperature, it proves that the temperature of the human body at this time is relatively high. Low, the air conditioner needs to be quickly heated to raise the ambient temperature, which will cause the user's body temperature to rise.
  • the outdoor ambient temperature further compares the outdoor ambient temperature with the indoor ambient temperature; when the indoor ambient temperature is lower than the outdoor ambient temperature, adjust the wind speed of the blower fan according to a predetermined adjustment ratio, and supply the indoor air at an appropriate wind speed to avoid the supply of air Too cold and hot.
  • the above comparison mode is only exemplary, and those skilled in the art can flexibly set the comparison mode of the surface temperature of the human body and the indoor ambient temperature in practical applications.
  • the difference between the surface temperature of the human body and the indoor ambient temperature may be compared with a set value, or the ratio of the surface temperature of the human body to the indoor ambient temperature may be compared with a set value.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
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  • Fluid Mechanics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention appartient au domaine technique des climatiseurs. Plus particulièrement, l'invention concerne un procédé de commande pour un climatiseur et un climatiseur associé. La présente invention vise à résoudre le problème d'une expérience utilisateur médiocre dans les procédés de régulation de la vitesse de l'air des climatiseurs existants. Dans ce but, le procédé de commande pour un climatiseur de la présente invention consiste : à acquérir une température de la surface d'un corps humain et une température ambiante intérieure ; à comparer la température de la surface du corps humain avec la température ambiante intérieure ; et, en fonction d'un résultat de la comparaison, à régler sélectivement la vitesse de l'air d'un ventilateur d'alimentation en air d'un climatiseur. Dans le procédé de commande pour un climatiseur de la présente invention, le mode de commande mentionné ci-dessus permet de régler de manière sélective la vitesse de l'air d'un ventilateur d'alimentation en air en fonction d'un résultat d'une comparaison entre une température de la surface d'un corps humain et une température ambiante intérieure, de sorte qu'un utilisateur puisse toujours rester dans un environnement plus confortable, ce qui permet d'éviter la survenue d'un inconfort du corps humain dû à une vitesse trop élevée ou trop faible de l'air, et d'améliorer l'expérience utilisateur.
PCT/CN2019/098983 2018-09-10 2019-08-02 Procédé de commande pour climatiseur et climatiseur associé WO2020052369A1 (fr)

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CN201811053104.3A CN110887174B (zh) 2018-09-10 2018-09-10 空调器的控制方法及空调器
CN201811053104.3 2018-09-10

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CN113482962A (zh) * 2021-08-06 2021-10-08 中山市技佳传动科技有限公司 一种基于风扇温度自适应控制系统和方法
CN113883694A (zh) * 2021-10-29 2022-01-04 海信（山东）空调有限公司 空调器及其控制方法
CN114543314A (zh) * 2022-04-08 2022-05-27 安徽奥克斯智能电气有限公司 空调器提效控制方法及其空调器
CN114811912A (zh) * 2022-05-27 2022-07-29 广东美的制冷设备有限公司 空调器运行控制方法、装置、空调器及存储介质
CN114857755A (zh) * 2022-04-22 2022-08-05 美的集团武汉暖通设备有限公司 室内机的控制方法、控制器、室内机、空调器和存储介质
CN115789889A (zh) * 2022-11-29 2023-03-14 珠海格力电器股份有限公司 一种空调的控制方法和装置

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CN113819635B (zh) * 2021-08-17 2022-10-28 青岛海尔空调器有限总公司 用于调节室内空气参数的方法、装置和智慧家庭系统
CN113776170A (zh) * 2021-09-08 2021-12-10 青岛理工大学 空调控制系统及控制方法
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CN114151918B (zh) * 2021-11-26 2023-04-25 宁波奥克斯电气股份有限公司 空调器除湿的控制方法、控制装置及空调器
CN115077004A (zh) * 2022-05-17 2022-09-20 青岛海尔空调器有限总公司 用于空气调节的方法及装置、控制设备、存储介质

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