WO2014017751A1 - Procédé de commande de prévention contre la condensation dans des pièces distinctes - Google Patents

Procédé de commande de prévention contre la condensation dans des pièces distinctes Download PDF

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Publication number
WO2014017751A1
WO2014017751A1 PCT/KR2013/005751 KR2013005751W WO2014017751A1 WO 2014017751 A1 WO2014017751 A1 WO 2014017751A1 KR 2013005751 W KR2013005751 W KR 2013005751W WO 2014017751 A1 WO2014017751 A1 WO 2014017751A1
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WO
WIPO (PCT)
Prior art keywords
room
condensation
temperature
supply water
supplied
Prior art date
Application number
PCT/KR2013/005751
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English (en)
Korean (ko)
Inventor
김준연
Original Assignee
주식회사 경동나비엔
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Publication date
Application filed by 주식회사 경동나비엔 filed Critical 주식회사 경동나비엔
Publication of WO2014017751A1 publication Critical patent/WO2014017751A1/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
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F24F5/0089—Systems using radiation from walls or panels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/22—Means for preventing condensation or evacuating condensate
    • F24F2013/221—Means for preventing condensation or evacuating condensate to avoid the formation of condensate, e.g. dew
    • 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
    • F24F2110/20—Humidity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/40—Damper positions, e.g. open or closed

Definitions

  • the present invention relates to a control method for prevention of condensation, and more particularly, it relates to a control method for controlling condensation prevention in a room in which the risk of condensation is detected for each room,
  • the present invention relates to an anti-condensation prevention control method for comfortably creating an indoor environment of each room.
  • heating in a typical domestic house uses a radiative floor heating system, and a convection type air conditioner is used for cooling.
  • the room temperature set by each occupant in the room will vary, and the indoor environment will also vary.
  • a control method for an anti-condensation prevention of an internal combustion engine comprising the steps of: (a) detecting the presence or absence of condensation risk in each room; (b) measuring indoor temperature and relative humidity of each room to detect indoor densities (DP) in each room; (c) a supply water temperature supplied to the water pipe 186 installed at the ceiling or floor of each room at the time of operation of the radiation system 100 in a temperature range higher than the maximum of the indoor dew point DP detected in each room Determining; (d) independently controlling the opening and closing of the dampers (231, 232, 233) provided in the air conditioner distributor (230) to intermit the flow of air supplied to each room based on the presence or absence of the risk of condensation sensed in the step step; (e) The operation of the dehumidifying / air-conditioning apparatus 200 is preferentially performed in the room detected as a risk of condensation in the step (a), and the operation of the radiation system 100 is performed after the risk of condensation is removed
  • the rotation of the blower installed in the dehumidifying / May be configured to control the number proportionally.
  • FIG. 1 is a block diagram of a radiant air-conditioning and dehumidifying air-conditioning apparatus according to the present invention
  • FIG. 3 is a system diagram of a dew condensation prevention control system for each room according to the present invention.
  • FIG. 4 is an operational state diagram of the air conditioner distributor according to the present invention.
  • dehumidifying air-conditioning device 210 dehumidifying device
  • Ventilation device 223 Carbon dioxide sensor
  • damper 240 exhaust device
  • FIG. 1 is a block diagram of a radiation cooling / heating dehumidifying / air-conditioning apparatus according to the present invention.
  • the composite air conditioning and air-conditioning apparatus to which the present invention is applied includes a radiating system 100 including a cooling apparatus 110 and a heating apparatus 120, a dehumidifying / air-conditioning apparatus 200 including a dehumidifying apparatus 210 and a ventilator 220, And a main controller 300 for controlling the operation of the main controller 300 as a whole.
  • the radiating system 100 cold water or hot water is circulated through a water pipe 186 installed on a ceiling or floor of each room R, and cooling or heating is performed by a radiating method.
  • the supply lines 111 and 121 and the water return lines 112 and 122 through which the cold water or hot water supplied from the radiation system 100 are circulated are collectively connected to the supply water distributor 150, 150 are configured to supply the supplied water through a water pipe 186 installed on the ceiling or floor of each room R in accordance with a control signal of the main controller 300.
  • Valves V1 to V7 for interrupting the flow of the supply water are provided in the supply lines 111, 115 and 121 and the water return lines 112, 114 and 122.
  • a bypass line 113 in which the supply water to be returned to the system 100 branches to the supply line 111 side is provided and a three-way mixing valve 130 is installed at the branch point of the supply line 111 and the bypass line 113 .
  • the supply line 111 is provided with a circulation pump 140, a supply water temperature sensor 160, and a flow rate sensor 170.
  • a condensation sensor 191 for sensing the risk of condensation inside the room is installed at one side of the radiation panel 190, Respectively.
  • a carbon dioxide sensing sensor 223 for sensing the content of carbon dioxide (CO 2) contained in the indoor air is installed in the water return line 222 of the ventilator 220, and an outside air temperature and humidity sensor 213 is connected to the dehumidifying device 210 Is installed.
  • Each room R is provided with a room temperature sensor 311 and a room humidity sensor 312 to measure the temperature and humidity of the room and to measure the temperature and humidity of the room by the room temperature sensor 311 and the room humidity sensor 312
  • the temperature and humidity signals of the indoor room are received by the room controller 310 installed in each room R and then transmitted to the main controller 300.
  • FIG. 2 is a view showing an installation example of (a) a floor type radiation system and (b) a ceiling type radiation system according to the present invention.
  • the floor structure 180 may be composed of a concrete slab 181, a radiation panel 182, a lightweight foamed concrete 183, a finishing mortar 184 and a finishing material 185,
  • the water pipe 186 through which the supply water is circulated may be embedded in the floor structure 180.
  • the condensation sensor 191 for detecting whether or not condensation has occurred on the floor of the room can be configured to be installed together with the heat conduction plate 192 in the corner portion of the floor structure 180.
  • the 1) humidity sensing method detects the humidity actually established in the space where the condensation sensor 191 is installed.
  • the analog signal is directly transmitted to the main controller 300.
  • the installation position of the condensation sensor 191 is an area in which the humidity of the room air may be different from the inside of the ceiling or the corner of the room and the area where the ventilation is not properly performed or the humidity It is preferable to employ a position where the air conditioner can be rapidly increased.
  • the humidity range set by the humidity sensing method in the detection method of the condensation sensor 191 is a value derived through several experiments.
  • the set humidity range is controlled based on a relative humidity of 70%.
  • the relative humidity is 70% or more, the risk of condensation or fine condensation occurs,
  • the dew point signal is controlled within a range of ⁇ 3%.
  • the range of ⁇ 3% set here can be variably set to 1 ⁇ 5% according to the application field.
  • the example value is set to ⁇ 3%.
  • the mechanical contact type among the types of the condensation sensor 191 functions to send an immediate signal when actual condensation occurs, but is influenced by the number of condensation generated in the condensation sensor 191 even when the condensation danger environment is released,
  • the mechanical contact system is considered to be suitable for the main purpose of the double safety device function. Therefore, it is necessary to apply the two types of contacts in combination
  • the dew condensation prevention control is preferably performed.
  • FIG. 3 is a system diagram of a dew condensation prevention control system for each room according to the present invention
  • FIG. 4 is an operational state view of a damper for air conditioning distribution according to the present invention.
  • the dew condensation sensor 191 sends an electrical signal to the main controller 300 and the main controller 300 sends an electrical signal to the condenser sensor 191.
  • the condensation sensor 191 detects a risk of condensation, It is possible to increase the surface temperature of the radiation panel 190 by controlling the supply of the supply water from the distributor driver 151 corresponding to the specific room in which the danger signal is generated to be cut off in the air conditioner distributor 230, So that the dehumidifying air conditioning is performed only in the room in which the risk occurs, and the operation of the remaining rooms is not affected.
  • the air conditioner distributor 230 connected to the ventilator 220 is provided with dampers 231, 232 and 233 for independently controlling flows of air supplied to the respective rooms.
  • the dehumidifying / ventilating unit (200) is operated based on the signal of a specific room where there is a risk of condensation, and air is blown to all the rooms under the same conditions, dehumidification is performed in the rooms other than the room where there is a risk of condensation, And the indoor temperature may also drop below the set temperature by the auxiliary cooling function of the dehumidifying /
  • the control function of the dampers 231, 232 and 233 of the dehumidifying / air-conditioning apparatus 200 is not a control method according to the conventional single damper control, 231, 232, 233) are installed and the opening and closing operation is independently controlled according to the indoor environment conditions of each room.
  • an air conditioner distributor 230 for distributing air to each room in one dehumidifying air conditioner 200, and an air conditioner distributor 230,
  • dampers 231, 232, and 233 that intermittently supply air to the diffusers 225 installed in the respective rooms.
  • the number of rotations of the blower installed in the dehumidifying / ventilating apparatus 200 is controlled proportionally so that air having a flow rate corresponding to the number of dampers opened in the air conditioner distributor 230 is supplied. Accordingly, it is possible to control the dehumidifying / air-conditioning operation of each room in accordance with the flow rate of air circulated and supplied to the room requiring dehumidification.
  • FIG. 5 is a flowchart of a method of controlling the dew condensation prevention in each room using the radiating air conditioning and dehumidifying air conditioning apparatus according to the present invention.
  • the control method of the present invention includes a step of detecting presence / absence of dew condensation in each room (S10), a step of detecting an indoor dew point (DP) in each room by measuring a room temperature and a relative humidity of each room (S30) of determining the optimum temperature of the water to be supplied to each room within a range where the risk of condensation does not occur (S20)
  • a step S50 of controlling the operation of the radiating system 100 and the dehumidifying / air-conditioning apparatus 200 in conjunction with each other based on the presence or absence of condensation danger in each room step S40; controlling the opening and closing of the dampers 231, .
  • FIG. 6 is a basic system operation diagram of a radiation cooling and heating dehumidifying air-conditioning apparatus according to the present invention.
  • the operation of the basic system of the hybrid air conditioning and heating system according to the present invention will be described.
  • operation S201 the user sets the set temperature, and the room temperature sensor 311
  • the indoor humidity sensor 312 measures the indoor temperature and humidity (S202, S203).
  • the radiating system 100 and the dehumidifying / air-conditioning apparatus 200 are operated together (S204, S205) for cooling / heating and dehumidifying ventilation of the room.
  • the main controller 300 compares the indoor load with the set temperature based on the measured indoor temperature and humidity information (S206). If the indoor load does not satisfy the humidity condition of the set environment, (S207).
  • the radiating system 100 When the indoor load satisfies the humidity condition of the set environment, the radiating system 100 is operated (S209), and the operation of the dehumidifying air-conditioning apparatus 200 (S210). If the indoor load is increased (S211) after a certain period of time has elapsed after the operation in such a state, the radiating system 100 and the desiccant air-conditioning apparatus 200 may be operated together (S212, S213).
  • Fig. 7 is a conceptual diagram of basic control of the copying system according to the present invention.
  • the room temperature sensor 311 The indoor temperature, the indoor humidity and the outdoor temperature and humidity are measured (S302, S303, and S304) through the indoor humidity sensor 312 and the outdoor temperature and humidity sensor 213. Using these pieces of information, the appropriate temperatures of the supply water are calculated (S305). Then, the optimum supply water temperature among the water temperatures of the supply water calculated for each room is finally determined (S306), and the supply water is supplied to each room (S307). (S308). In case that a risk factor is generated, it is determined whether there is a risk factor of condensation in each room (S308). If a risk factor is generated, (S310). After the occurrence of the condensation, the radiation system 100 is restarted (S310). If the risk factor is not generated, the user adjusts the room temperature to an appropriate temperature, (Operation S311).
  • the indoor dew point DP is calculated for each room by the above calculation formula.
  • the supplied water temperature is determined in consideration of the safety and the maximum performance without risk of dew condensation in each room according to the calculated dew point (DP) temperature, and the optimum supply water temperature of the supply water is expressed by the following equations Is calculated by the following equation (4).
  • Tsupply is the supply water temperature of the supply water
  • DPmax is the maximum value among the indoor dew points DP of each room
  • ⁇ S is the safety factor for the values detected by the indoor temperature sensor 311 and the indoor humidity sensor 312
  • K is an average value of the experimental coefficient CF corresponding to the thickness of the floor structure 180 and the material of the finishing material 185 (see FIG. 2) in consideration of the safety according to the difference between the thermal conductivity and the heat storage property of the floor structure 180
  • the experimental coefficient value (MF) according to Fig.
  • the coefficient K corresponding to the kind and material of the radiation panel 190 and the finishing material 185 is included in the calculation formula, and the coefficient value K for the radiation panel 190 is the experimental coefficient value according to the thickness of the floor structure 180 (MF) according to the material of the finishing material 185 as shown in Table 4 and the experiment coefficient value MF according to the material of the finishing material 185 are applied.
  • the experimental coefficient values (CF, MF) in Tables 3 and 4 show the correction values applied to the floor radiation system.
  • the pitch means the distance between the water pipes 186 installed in a coil shape.
  • calculation (AHU) is the supply temperature of the air supplied from the dehumidifying / air-conditioning apparatus 200
  • Rsetpoint is the indoor set temperature
  • T is the operating temperature range of the dehumidifying air conditioner
  • K is the setting allowance : 0 ⁇ 1). It is a value that can be adjusted by variable setting in the field after actual field installation.
  • the temperature of the supply water at the point A which is returned to the radiation system 100 is 19.5 DEG C and the initial temperature of the supply water at the point B supplied from the radiation system 100 is 16.5 DEG C
  • the temperature of the feed water at the point C supplied to the feed water distributor 150 can be raised to 18 ⁇ and supplied.
  • the cold water can be supplied from the dew point to the safe calculated temperature.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un procédé de commande de prévention contre la condensation dans des pièces distinctes faisant appel aux étapes consistant : (a) à détecter un risque de condensation dans chacune des pièces ; (b) à détecter un point de condensation intérieur (DP) dans chacune des pièces par mesure de la température intérieure et de l'humidité relative de chacune des pièces ; (c) à déterminer une température d'eau délivrée, de l'eau qui est délivrée à une conduite d'alimentation/de drainage (186) qui est installée dans le plafond ou dans le plancher de chacune des pièces lors du pilotage d'un système radiant (100), à l'intérieur d'une plage de température qui est supérieure à une valeur maximale entre les points de condensation intérieurs (DP) qui sont détectés dans chacune des pièces ; (d) à commander indépendamment l'ouverture/fermeture de registres (231, 323, 233) qui sont installés dans un distributeur de conditionnement d'air (230) sur la base du risque de condensation qui a été détecté à l'étape (a), de façon à réguler le flux d'air qui est délivré à chacune des pièces ; (e) à donner la priorité au pilotage d'un dispositif de conditionnement d'air d'assèchement (200) dans les pièces dans lesquelles le risque de condensation a été détecté lors de l'étape (a), au pilotage du système radiant (100) après l'élimination du risque de condensation, et au pilotage du système radiant (100) dans les pièces dans lesquelles le risque de condensation n'a pas été détecté à l'étape (a).
PCT/KR2013/005751 2012-07-27 2013-06-28 Procédé de commande de prévention contre la condensation dans des pièces distinctes WO2014017751A1 (fr)

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KR1020120082612A KR101334202B1 (ko) 2012-07-27 2012-07-27 각 방 결로방지 제어방법

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Publication number Priority date Publication date Assignee Title
WO2016179884A1 (fr) * 2015-01-16 2016-11-17 北京恒通绿建节能科技有限公司 Système de climatisation rayonnant à écoulement de réfrigérant variable
CN109154449A (zh) * 2016-05-24 2019-01-04 三菱电机株式会社 空调控制装置、空气调节机及空调系统
CN109682036A (zh) * 2018-12-29 2019-04-26 天津商业大学 一种调节水温度确定辐射空调防结露最佳安全温差的方法
CN109682037A (zh) * 2018-12-29 2019-04-26 天津商业大学 调节供水流量确定辐射空调防结露最佳安全温差的方法
CN116657966A (zh) * 2023-06-19 2023-08-29 广州澳企实验室技术股份有限公司 一种高精度恒温恒湿微电子百级洁净实验室

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KR101732998B1 (ko) 2015-09-14 2017-05-10 주식회사 반도건설 건물의 결로 방지 시스템을 이용한 결로 제어 방법
JP7232976B2 (ja) * 2018-09-27 2023-03-06 パナソニックＩｐマネジメント株式会社 換気空調システム
KR20220009583A (ko) 2020-07-16 2022-01-25 이춘기 아파트 개축용 결로 방지시스템
KR20220009584A (ko) 2020-07-16 2022-01-25 이춘기 신축 아파트용 결로 방지시스템
CN115507501A (zh) * 2022-09-22 2022-12-23 宁波奥克斯电气股份有限公司 一种空调的室内机防凝露控制方法及空调
CN118066617A (zh) * 2022-11-22 2024-05-24 广东美的制冷设备有限公司 防凝露控制方法、装置、设备及存储介质

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KR20020085186A (ko) * 2001-05-07 2002-11-16 김광우 바닥온돌구조를 이용한 복사냉방 시스템 및 그 복사냉방시스템의 결로방지를 위한 운전제어방법
KR20060067247A (ko) * 2004-12-14 2006-06-19 금호산업주식회사 온돌과 공기시스템을 병용한 냉난방시스템의 제어방법
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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016179884A1 (fr) * 2015-01-16 2016-11-17 北京恒通绿建节能科技有限公司 Système de climatisation rayonnant à écoulement de réfrigérant variable
CN109154449A (zh) * 2016-05-24 2019-01-04 三菱电机株式会社 空调控制装置、空气调节机及空调系统
CN109154449B (zh) * 2016-05-24 2020-09-22 三菱电机株式会社 空调控制装置、空气调节机及空调系统
CN109682036A (zh) * 2018-12-29 2019-04-26 天津商业大学 一种调节水温度确定辐射空调防结露最佳安全温差的方法
CN109682037A (zh) * 2018-12-29 2019-04-26 天津商业大学 调节供水流量确定辐射空调防结露最佳安全温差的方法
CN116657966A (zh) * 2023-06-19 2023-08-29 广州澳企实验室技术股份有限公司 一种高精度恒温恒湿微电子百级洁净实验室
CN116657966B (zh) * 2023-06-19 2024-01-12 广州澳企实验室技术股份有限公司 一种高精度恒温恒湿微电子百级洁净实验室

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