WO2020105088A1 - Système de commande pour appareil de climatisation - Google Patents

Système de commande pour appareil de climatisation

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Publication number
WO2020105088A1
WO2020105088A1 PCT/JP2018/042657 JP2018042657W WO2020105088A1 WO 2020105088 A1 WO2020105088 A1 WO 2020105088A1 JP 2018042657 W JP2018042657 W JP 2018042657W WO 2020105088 A1 WO2020105088 A1 WO 2020105088A1
Authority
WO
WIPO (PCT)
Prior art keywords
fluctuation
activity
activity amount
target temperature
control system
Prior art date
Application number
PCT/JP2018/042657
Other languages
English (en)
Japanese (ja)
Inventor
芸青 范
齊藤　信
綾部　克也
亮志 阿部
Original Assignee
三菱電機株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP2020557040A priority Critical patent/JP6937946B2/ja
Priority to CN201880095788.5A priority patent/CN112969893A/zh
Priority to PCT/JP2018/042657 priority patent/WO2020105088A1/fr
Publication of WO2020105088A1 publication Critical patent/WO2020105088A1/fr

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Classifications

    • 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
    • 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

Definitions

  • the present invention relates to a control system for an air conditioner that air-conditions a room.
  • Patent Document 1 there is a technique of supplying an stimulating substance to the room and switching the supply and the removal of the stimulating substance to change the indoor thermal environment to enhance the activity of the autonomic nervous system.
  • Patent Document 1 a thermal stimulus is given to a person in the room by supplying a stimulating substance for the purpose of enhancing the activity of the autonomic nervous system. As described above, the thermal stimulus can enhance the activity of the autonomic nervous system, but can also give the occupant a feeling of comfort. However, Patent Document 1 does not consider giving a feeling of comfort to a person in the room by thermal stimulation. In addition, whether or not the occupants feel comfortable can be influenced by the activity amount of each occupant. However, Patent Document 1 does not consider this point either.
  • the present invention has been made in view of the above circumstances, and an object thereof is to provide a control system of an air conditioner capable of improving comfort by thermal stimulation while considering the activity amount of a person in the room.
  • An air conditioner control system is an air conditioner control system that performs air conditioning so that a room temperature of an air-conditioned space reaches a target temperature, and an activity amount for measuring an activity amount of a person in the air-conditioned space.
  • the control device includes a sensor and a control device that operates in a fluctuation mode in which the target temperature fluctuates, and the control device, in accordance with the activity amount measured by the activity amount sensor, has a fluctuation width that is a fluctuation range of the target temperature in the fluctuation mode.
  • One or both of the fluctuation cycle, which is the fluctuation cycle of the target temperature, is changed.
  • one or both of the fluctuation width of the target temperature and the fluctuation cycle are changed according to the activity amount of the person in the room, so that the thermal stimulation can be given according to the activity amount of the person in the room. This can contribute to improving comfort.
  • FIG. 1 It is a figure which shows an example of the air conditioning system which concerns on Embodiment 1 of this invention. It is a block diagram which shows an example of the control apparatus of FIG. It is a figure which shows the table which summarized the fluctuation width and fluctuation cycle of target temperature according to the amount of activity in the fluctuation mode of the air conditioning system which concerns on Embodiment 1 of this invention. It is a figure which shows an example of the control flowchart of the fluctuation mode in the air conditioning system which concerns on Embodiment 1 of this invention. It is the figure which showed an example of the fluctuation
  • the communication may be wireless communication and wired communication, or may be mixed communication of wireless communication and wired communication.
  • wireless communication may be performed in a certain section and wired communication may be performed in another space.
  • communication from one device to another device may be performed by wire communication, and communication from another device to a device may be performed by wireless communication.
  • FIG. 1 is a diagram showing an example of an air conditioning system according to Embodiment 1 of the present invention.
  • the air conditioning system includes an air conditioning device 10 that performs air conditioning so that the room temperature of the air-conditioned space reaches a target temperature, and a control system 50 that controls the air conditioning device 10.
  • the air conditioner 10 includes an indoor unit 20 and an outdoor unit 30.
  • the indoor unit 20 includes an indoor blower 21, an indoor heat exchanger 22, and a room temperature sensor 23 that measures a room temperature.
  • the indoor unit 20 air-conditions the room in operation modes such as cooling, heating, dehumidifying, humidifying, moisturizing, or blowing air.
  • the outdoor unit 30 includes an outdoor blower 31, an outdoor heat exchanger 32, an expansion valve 33, a four-way valve 34, and a compressor 35.
  • a refrigerant circuit is configured by connecting the compressor 35, the four-way valve 34, the outdoor heat exchanger 32, the expansion valve 33, and the indoor heat exchanger 22 with the refrigerant pipe 40.
  • the heat pump is formed by circulating the refrigerant in the refrigerant circuit while repeatedly compressing and expanding.
  • the control system 50 includes an activity amount sensor 60 that measures the activity amount of a person in the air-conditioned space, and a control device 70 that controls the entire air conditioning system.
  • the activity amount sensor 60 is composed of, for example, an infrared sensor or a wearable sensor.
  • the activity amount is calculated by acquiring the state such as the standing person, sitting or moving from the indoor heat distribution.
  • the activity amount sensor 60 is a wearable sensor of, for example, a timepiece type that is attached to the wrist, an accelerometer or the like may be incorporated to have a function as an activity amount sensor. Then, the activity amount measured by the activity amount sensor 60 is sent to the control device 70 by communication.
  • the activity amount is specifically a metabolic amount [met].
  • the metabolism amount 1 [met] represents a heat amount of 58.2 [W] per body surface 1 [m 2 ]. This amount of heat [W] is for an average Japanese body surface of 1.7 [m 2 ].
  • the amount of metabolism greatly changes from resting to exercising, 10 times or more. For example, it is 1.0 [met] at rest. It is 1.2 [met] when standing. When walking slowly, it is 2.0 [met]. If you walk a little faster, it is 3.0 [met].
  • a marathon speed of 10 km / h is about 10 [met] (Source: Air Conditioning and Sanitary Engineering Society "Mechanism of comfortable thermal environment").
  • the control device 70 operates in each operation mode. In the heating operation and the cooling operation, the normal mode in which the room temperature is maintained at the target temperature and the fluctuation mode in which a thermal stimulus is given to the person in the room are selectively performed.
  • the fluctuation mode is a control for varying the target temperature according to the activity amount measured by the activity sensor 60, and is a control aiming at improving the comfort of the person in the room by thermal stimulation. The fluctuation mode will be described in detail later.
  • the control device 70 is composed of, for example, a microcomputer, and includes a CPU, a RAM, a ROM, and the like, and the ROM stores programs and the like corresponding to the flowcharts described below. 1 shows the example in which the control device 70 is configured separately from the air conditioning device 10, it may be incorporated in the air conditioning device 10.
  • FIG. 2 is a block diagram showing an example of the control device of FIG.
  • the control device 70 includes a frequency determination unit 71, an operation control unit 72, and a storage unit 73.
  • the frequency determination unit 71 determines the frequency of the compressor 35 according to the temperature difference between the room temperature measured by the room temperature sensor 23 and the target room temperature.
  • the operation control unit 72 controls the compressor 35 based on the compressor frequency determined by the frequency determination unit 71.
  • the storage unit 73 stores a control program of the air conditioning system, various data required in the fluctuation mode, and the like.
  • the connections between the units may be wired or wireless, and control commands and device information may be transmitted to each other. It should be noted that FIG. 2 shows only a portion related to the first embodiment.
  • the fluctuation mode of the first embodiment is a fluctuation mode different from 1 / f fluctuation and will be described below.
  • the fluctuation mode In the fluctuation mode, the fluctuation width and fluctuation cycle of the target temperature of the air conditioner 10 are automatically adjusted according to the activity amount of the person in the room measured by the activity amount sensor 60.
  • the fluctuation width is the fluctuation width of the target temperature.
  • the fluctuation cycle is a fluctuation cycle of the target temperature.
  • FIG. 3 is a diagram showing a table summarizing the fluctuation width and fluctuation cycle of the target temperature according to the amount of activity in the fluctuation mode of the air conditioning system according to Embodiment 1 of the present invention.
  • the activity amount is divided into four ranges according to the threshold values A to C. Specifically, the activity amount in “rest” is 0 [met] ⁇ activity amount ⁇ 1 [met]. In the “light exercise”, the activity amount is 1 [met] ⁇ activity amount ⁇ 3 [met]. In the “moderate exercise”, the activity amount is 3 [met] ⁇ activity amount ⁇ 5 [met]. In the “heavy exercise”, the activity amount is 5 [met] ⁇ activity amount. Note that this division method is an example, and the present invention is not limited to this division method.
  • the fluctuation width is increased as H1 ⁇ H2 ⁇ H3 and the fluctuation cycle is shortened as ⁇ T1> ⁇ T2> ⁇ T3 as the amount of activity increases. ..
  • the specific values of the fluctuation width and fluctuation period shown in FIG. 3 are merely examples, and they may be set appropriately according to the actual use conditions.
  • the target temperature is not changed, and the room temperature is controlled so as to maintain the initial value described below. Then, when the activity amount detected by the activity amount sensor 60 is in the range of, for example, “moderate exercise”, the fluctuation width is set to H2 and the fluctuation cycle is set to ⁇ T2, as described in the specific example of FIG. That is, since the cooling operation is performed here, control is performed to change the target temperature to an initial value and a temperature lower than the initial value by H2 for each ⁇ T2.
  • control is also performed to reduce the power consumption while maintaining the comfort of the person in the room.
  • the target temperature is not kept constant at a temperature lower than the initial value by H2, but is alternately changed between the initial value and the temperature lower by H2 from the initial value. Fluctuate.
  • power consumption can be reduced as compared with the case where the target temperature is fixed at a temperature lower than the initial value by H2.
  • the fluctuation range of the target temperature is determined by using, for example, PMV (Predict Mean Vote) which is a thermal environment evaluation index indicating comfort.
  • PMV is an index that can be evaluated with 0 being the neutral comfort value, the + side being the warm side and the ⁇ side being the cold side. If the PMV is within ⁇ 0.5, the environment is comfortable.
  • PMV is expressed by the following equation (1) using a plurality of parameters that affect the human thermal sensation.
  • the average radiation temperature is a temperature obtained by averaging the heat radiation received from all the surrounding directions.
  • the metabolic rate MET of the equation (1) is substituted with the metabolic rate indicating the activity level at "rest", specifically, the central value of the activity range of "rest”, and PMV is set to the neutral value of comfort. Substitute a certain 0 and calculate the room temperature T.
  • the room temperature T calculated in this way is a temperature at which the person in the room feels comfortable when in a "rest” state. This temperature is used as an initial value.
  • FIG. 4 is a diagram showing an example of a control flowchart of the fluctuation mode in the air conditioning system according to Embodiment 1 of the present invention.
  • the control device 70 performs the process of FIG. 4 at a preset control interval, for example, every 1 minute until the end of the fluctuation mode is instructed.
  • the control device 70 acquires the activity amount measured by the activity sensor 60 (step S1), and which of the four ranges in which the activity amount is divided in advance Is checked (step S2). Then, air conditioning control is performed according to the applicable range (steps S3 to S10).
  • control device 70 keeps the target room temperature constant at the initial value. Control is performed (step S4). Specifically, the frequency determination unit 71 of the control device 70 determines the frequency of the compressor 35 according to the temperature difference between the room temperature measured by the room temperature sensor 23 and the initial value, and the operation control unit based on the determined frequency. 72 controls the compressor 35.
  • step S5 When the activity amount measured by the activity amount sensor 60 is within the range of A [met] ⁇ activity amount ⁇ B [met] (step S5), the control device 70 sets the target room temperature to H1 rather than the initial value and the initial value. Air-conditioning control is performed such that the temperature changes to a low temperature every ⁇ T1 (step S6). When the activity amount measured by the activity amount sensor 60 is in the range of B [met] ⁇ activity amount ⁇ C [met] (step S7), the control device 70 sets the target room temperature to H2 rather than the initial value and the initial value. Air-conditioning control is performed such that the temperature changes to a low temperature every ⁇ T2 (step S8).
  • control device 70 When the amount of activity measured by the amount-of-activity sensor 60 is C or more (step S9), the control device 70 performs the air conditioning control that changes the target room temperature to the initial value and the temperature H3 lower than the initial value for each ⁇ T3. Perform (step S10).
  • FIG. 5 is the figure which showed an example of the fluctuation of the target temperature according to the activity amount in the fluctuation mode in the air conditioning system which concerns on Embodiment 1 of this invention.
  • the fluctuation mode will be described using the specific numerical values shown in FIG.
  • the initial value is 27 ° C.
  • the activity amount is in the range of “rest” at the initial stage t0 of the fluctuation mode, but the activity amount is “light exercise” or “moderate” as the time t1, the time t2, or the time t3 progresses. Exercise ”and“ heavy exercise ”.
  • the fluctuation range of the target temperature spreads to 1 ° C, 1.5 ° C, and 2 ° C, while the fluctuation cycle shortens to 4 minutes, 3 minutes, and 2 minutes.
  • the fluctuation range of the target room temperature decreases from 2 ° C. to 1 ° C. while the activity amount decreases from “heavy exercise” to “light exercise”, while the fluctuation cycle changes from 2 minutes to 4 minutes. It's getting longer.
  • the activity amount again increases from “moderate exercise” to “heavy exercise”, and the fluctuation width of the target room temperature increases from 1 ° C. to 2 ° C., while the fluctuation cycle changes from 4 minutes to 2 minutes. It's getting shorter.
  • the fluctuation width and fluctuation cycle of the target room temperature are changed according to the activity amount, an appropriate thermal stimulation is given according to the activity amount of the person in the room. It is possible to improve comfort.
  • the temperature when the target room temperature is changed according to the activity amount, the temperature is not controlled to be constant from the initial value to a temperature lower by the fluctuation width according to the activity amount, but is fluctuated from the initial value and the initial value.
  • the temperature was alternately changed to a temperature lower by a width. As a result, power consumption can be reduced as compared with the case where the target temperature is fixed at a temperature lower by the fluctuation width from the initial value.
  • the fluctuation width is increased as the amount of activity increases.
  • the fluctuation cycle is shortened as the amount of activity increases. In this way, the fluctuation width and fluctuation cycle can be varied according to the amount of activity.
  • the activity amount is divided into a plurality of ranges, and the fluctuation width and the fluctuation cycle are set in each range, and the activity amount measured by the activity amount sensor 60 in the plurality of ranges.
  • the fluctuation mode is now performed with the fluctuation width and fluctuation period set in the range including. In this way, the activity amount can be divided into a plurality of ranges, and the fluctuation mode according to each range can be realized.
  • the initial value in the fluctuation mode is determined so that the thermal environment evaluation index PMV calculated using a plurality of parameters including at least the activity amount at rest becomes 0. Further, the fluctuation widths of each of the plurality of ranges into which the activity amount is divided are determined such that the thermal environment evaluation index PMV calculated using a plurality of parameters including at least the activity amount in each range is 0. And the temperature difference from the initial value. In this way, since the initial value and the fluctuation width are set so that the thermal environment evaluation index PMV becomes 0, the air conditioning control at room temperature at which the thermal environment evaluation index PMV becomes comfortable is performed, and the comfort is further improved. Can be improved.
  • both the fluctuation width of the target temperature and the fluctuation cycle are changed according to the activity amount, but either one may be changed. The details will be described below.
  • FIG. 6 is an explanatory diagram of variation 1 of the fluctuation mode in the air conditioning system according to Embodiment 1 of the present invention.
  • the fluctuation width of the target temperature is constant, and the fluctuation cycle is changed according to the activity amount.
  • FIG. 7 is explanatory drawing of the modification 2 of the fluctuation mode in the air conditioning system which concerns on Embodiment 1 of this invention.
  • the fluctuation width of the target temperature is changed according to the amount of activity, and the fluctuation cycle is made constant.
  • comfort can be improved even by controlling one of the fluctuation width and fluctuation cycle of the target temperature.
  • the initial value and the fluctuation width are determined using the thermal environment evaluation index PMV, but the present invention is not limited to this.
  • the initial value may be, for example, a set temperature set by the user.
  • the fluctuation mode in the cooling operation is explained, but the fluctuation mode can be similarly applied in the heating operation.
  • the fluctuation of the target room temperature may be changed to an initial value and a temperature higher than the initial value by a fluctuation width.

Abstract

La présente invention concerne un système de commande pour un appareil de climatisation, permettant un certain fonctionnement de climatisation de sorte que la température ambiante dans un espace climatisé devienne une température cible. Le système de commande pour un appareil de climatisation comprend : un capteur de quantité d'activité destiné à mesurer la quantité d'activité d'une personne dans l'espace climatisé ; et un dispositif de commande destiné à effectuer un fonctionnement en mode variable dans lequel la température cible est modifiée. Le dispositif de commande règle une plage de variation, c'est-à-dire la plage de variation de la température cible, et/ou un cycle de variation, c'est-à-dire le cycle de variation de la température cible, en mode variable en fonction de la quantité d'activité mesurée par le capteur de quantité d'activité.
PCT/JP2018/042657 2018-11-19 2018-11-19 Système de commande pour appareil de climatisation WO2020105088A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2020557040A JP6937946B2 (ja) 2018-11-19 2018-11-19 空気調和装置の制御システム
CN201880095788.5A CN112969893A (zh) 2018-11-19 2018-11-19 空气调节装置的控制系统
PCT/JP2018/042657 WO2020105088A1 (fr) 2018-11-19 2018-11-19 Système de commande pour appareil de climatisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2018/042657 WO2020105088A1 (fr) 2018-11-19 2018-11-19 Système de commande pour appareil de climatisation

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WO2020105088A1 true WO2020105088A1 (fr) 2020-05-28

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Publication number Priority date Publication date Assignee Title
CN113819571B (zh) * 2021-10-22 2022-09-30 宁波奥克斯电气股份有限公司 空调器的控制方法、装置和计算机可读存储介质
CN113819583B (zh) * 2021-10-22 2022-09-30 宁波奥克斯电气股份有限公司 维持空调舒适性的节能控制方法、装置和计算机可读存储介质

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JPH0560362A (ja) * 1991-09-02 1993-03-09 Mitsubishi Heavy Ind Ltd 空気調和機の制御方法
JPH06197922A (ja) * 1993-01-05 1994-07-19 Hitachi Ltd 物理量制御装置
JPH0886486A (ja) * 1994-09-16 1996-04-02 Hitachi Ltd 空気調和機
JPH08226692A (ja) * 1995-02-17 1996-09-03 Matsushita Electric Ind Co Ltd 生活情況別心理評価方法及び生活情況別住環境制御方法
JP2014009895A (ja) * 2012-06-29 2014-01-20 Daikin Ind Ltd 空調制御システム

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JP3118376B2 (ja) * 1994-08-19 2000-12-18 三洋電機株式会社 空気調和機
JP5948580B2 (ja) * 2011-09-05 2016-07-06 パナソニックＩｐマネジメント株式会社 空気調和機
CN103776130A (zh) * 2012-10-25 2014-05-07 珠海格力电器股份有限公司 温度控制方法、装置及空调设备
CN103836761B (zh) * 2012-11-20 2016-04-13 珠海格力电器股份有限公司 空调机的工作方法、工作装置以及空调机
CN106491351A (zh) * 2016-11-18 2017-03-15 柴书喻 一种耳麦式降温醒脑头罩

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0560362A (ja) * 1991-09-02 1993-03-09 Mitsubishi Heavy Ind Ltd 空気調和機の制御方法
JPH06197922A (ja) * 1993-01-05 1994-07-19 Hitachi Ltd 物理量制御装置
JPH0886486A (ja) * 1994-09-16 1996-04-02 Hitachi Ltd 空気調和機
JPH08226692A (ja) * 1995-02-17 1996-09-03 Matsushita Electric Ind Co Ltd 生活情況別心理評価方法及び生活情況別住環境制御方法
JP2014009895A (ja) * 2012-06-29 2014-01-20 Daikin Ind Ltd 空調制御システム

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JPWO2020105088A1 (ja) 2021-06-10
CN112969893A (zh) 2021-06-15

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