JP6415876B2 - Room temperature control system - Google Patents
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- JP6415876B2 JP6415876B2 JP2014138277A JP2014138277A JP6415876B2 JP 6415876 B2 JP6415876 B2 JP 6415876B2 JP 2014138277 A JP2014138277 A JP 2014138277A JP 2014138277 A JP2014138277 A JP 2014138277A JP 6415876 B2 JP6415876 B2 JP 6415876B2
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本発明は、窓の開閉、換気扇及びエアコンのＯＮ・ＯＦＦを行って、室温を快適な温度に制御する室温制御システムに関する。 The present invention relates to a room temperature control system for controlling a room temperature to a comfortable temperature by opening / closing a window, turning on / off a ventilation fan and an air conditioner.
一般的に住宅の居室の室温制御は、窓を閉め切ってエアコンのみで行っており、エアコンを長時間使用することでエネルギーの浪費につながるとともに、人体に負荷がかかり健康を害するおそれがある。
特許文献１には、電動で開閉する引違い窓とエアコンを備え、窓を閉めてエアコンを運転中に、外気温が基準温度より低くなったことを外気温センサーが検知すると、窓を開けてエアコンをＯＦＦするシステムが開示されている。
しかし、窓が四方の壁のうちの一面にしか取れない居室では、風の入口出口を確保できないため、窓を開けても通風効果が得られない。また、窓が居室の壁の２面に設けてあっても、風が弱いときや無風のときには、窓を開けても通風効果が期待できない。
In general, room temperature control of a residential room is performed only with an air conditioner with the window closed, and using the air conditioner for a long time leads to waste of energy and may cause a burden on the human body and harm health.
Patent Document 1 includes a sliding window that opens and closes electrically and an air conditioner. When the outside air temperature sensor is detected to be lower than a reference temperature while the window is closed and the air conditioner is in operation, the window is opened. A system for turning off an air conditioner is disclosed.
However, in the living room where the window can be taken only on one side of the four walls, the entrance and exit of the wind cannot be secured, so the ventilation effect cannot be obtained even if the window is opened. Moreover, even if the windows are provided on the two surfaces of the room wall, when the wind is weak or no wind, the ventilation effect cannot be expected even if the windows are opened.
本発明は以上に述べた実情に鑑み、窓が一つしかない居室や、風が弱い若しくは無いときであっても効率よく換気が行え、快適で省エネが図れる室温制御システムの提供を目的とする。 SUMMARY OF THE INVENTION The present invention has been made in view of the circumstances described above, and it is an object of the present invention to provide a room temperature control system that can efficiently ventilate even in a room with only one window or when the wind is weak or absent, and that can achieve comfortable and energy saving. .
上記の課題を達成するために請求項１記載の発明による室温制御システムは、窓と外気温センサーと室温センサーと換気扇と制御手段とを備え、窓は、外気に面して設けてあり、換気扇は、室内の空気を屋外に排出するものであって、外気に面していない位置に設けてあり、制御手段は、外気温と室温とに応じて窓の開閉と換気扇のＯＮ・ＯＦＦを連動して制御するものであって、窓を開けるときに換気扇をＯＮにし、窓を閉めるときに換気扇をＯＦＦにするものであり、室温が快適下限温度及び外気温より高く、且つ外気温が窓開下限温度より高いときに、窓を開けて換気扇をＯＮすることを特徴とする。 In order to achieve the above object, a room temperature control system according to the first aspect of the present invention includes a window, an outside air temperature sensor, a room temperature sensor, a ventilation fan, and control means, and the window is provided facing the outside air. Is for exhausting indoor air to the outside and is not located facing the outside air, and the control means interlocks the opening and closing of the window and the ON / OFF of the ventilation fan according to the outside temperature and room temperature what der which is controlled, the ventilation fan is turned oN when opening the window, which turns OFF the ventilation fan when closing the window, the room temperature is higher than the comfort limit temperature and ambient temperature, and outdoor temperature window When the temperature is higher than the open lower limit temperature, the ventilation fan is turned on by opening a window .
本発明の室温制御システムにおいて制御手段は、室温が快適上限温度よりも高く且つ外気温が室温より低いときは窓を開けて換気扇をＯＮにしてエアコンをＯＦＦにし、室温が快適温度範囲内で且つ外気温が室温より高いときは窓を閉めて換気扇をＯＦＦにしてエアコンをＯＦＦにするものとすることができる。 In the room temperature control system of the present invention, when the room temperature is higher than the comfortable upper limit temperature and the outside air temperature is lower than the room temperature, the window is opened, the ventilation fan is turned on, the air conditioner is turned off, and the room temperature is within the comfortable temperature range. When the outside air temperature is higher than the room temperature, the air conditioner can be turned off by closing the window and turning off the ventilation fan.
請求項１記載の発明による室温制御システムは、窓と外気温センサーと室温センサーと換気扇と制御手段とを備え、窓は、外気に面して設けてあり、換気扇は、室内の空気を屋外に排出するものであって、外気に面していない位置に設けてあり、制御手段が外気温と室温とに応じて窓の開閉と換気扇のＯＮ・ＯＦＦを連動して制御し、窓を開けるときに換気扇をＯＮにすることで、窓が一つしかない居室や、風が弱い若しくは無いときであっても、窓から外気を効率よく室内に導入して室温を快適に制御できる。換気扇が屋外に面していない位置に設けてあることで、排気側（換気扇）から空気が逆流することがなく、屋外の風の状況にかかわらず、効率的な換気が行える。また、窓を閉めるときに換気扇をＯＦＦにするので、換気扇を無駄に運転することがない。さらに、本発明の室温制御システムは、制御手段が、室温が快適下限温度及び外気温より高く、且つ外気温が窓開下限温度より高いときに、窓を開けて換気扇をＯＮするので、適度な換気を行いつつ室内を快適に維持できる。 The room temperature control system according to the first aspect of the present invention includes a window, an outside air temperature sensor, a room temperature sensor, a ventilation fan, and a control means. The window is provided facing the outside air. When it opens, it is provided at a position that does not face the outside air, and the control means controls the opening / closing of the window and the ON / OFF of the ventilation fan according to the outside air temperature and room temperature. When the ventilation fan is turned on, the room temperature can be comfortably controlled by efficiently introducing the outside air into the room even when the room has only one window or when the wind is weak or absent. By providing the ventilation fan at a position not facing the outdoors, air does not flow backward from the exhaust side (ventilation fan), and efficient ventilation can be performed regardless of the outdoor wind conditions. Further, since the ventilation fan is turned off when the window is closed, the ventilation fan is not operated wastefully. Furthermore, in the room temperature control system of the present invention, the control means opens the window and turns on the ventilation fan when the room temperature is higher than the comfortable lower limit temperature and the outside air temperature, and the outside air temperature is higher than the window opening lower limit temperature. The room can be maintained comfortably while ventilating.
制御手段は、室温が快適上限温度よりも高く且つ外気温が室温より低いときは窓を開けて換気扇をＯＮにしてエアコンをＯＦＦにし、室温が快適温度範囲内で且つ外気温が室温より高いときは窓を閉めて換気扇をＯＦＦにしてエアコンをＯＦＦにするようにすれば、エアコンの運転時間を短くして省エネを図ると共に、自然を最大限利用して室温を快適に維持できる。 When the room temperature is higher than the comfortable upper limit temperature and the outside air temperature is lower than the room temperature, the window is opened, the ventilation fan is turned on and the air conditioner is turned off, and the room temperature is within the comfortable temperature range and the outside air temperature is higher than the room temperature. If you close the window and turn off the ventilation fan to turn off the air conditioner, you can save energy by shortening the operation time of the air conditioner, and you can keep the room temperature comfortable by making the best use of nature.
以下、本発明の実施の形態を図面に基づいて説明する。図１は本発明の一実施形態に係る室温制御システムの全体構成を概念的に示す図であり、図２は同システムの機能構成を示すブロック図である。本システムは、住宅４に適用したものであり、住宅４は居室１（例えば寝室）、居室２（例えば子供部屋）、居室３（例えばリビング）と、非居室５（例えば、廊下、階段）を備えている。
居室１には、１つの窓６ａと、換気扇３０ａと、エアコン７ａと、室温センサー８ａと、操作パネル９ａと、中継装置１０ａとを備えている。居室２には、１つの窓６ｂと、換気扇３０ｂと、エアコン７ｂと、室温センサー８ｂと、操作パネル９ｂと、中継装置１０ｂとを備えている。居室３には、１つの窓６ｃと、換気扇３０ｃと、エアコン７ｃと、室温センサー８ｃと、操作パネル９ｃと、集中制御機１１とを備えている。屋外には、外気温センサー１２と雨センサー１３とが設けてある。
居室１，２の窓６ａ，６ｂ、換気扇３０ａ，３０ｂ、エアコン７ａ，７ｂ、室温センサー８ａ，８ｂ及び操作パネル９ａ，９ｂ、外気温センサー１２、雨センサー１３は、中継装置１０ａ，１０ｂを介して集中制御機１１と有線又は無線で接続されている。居室３の窓６ｃ、換気扇３０ｃ、エアコン７ｃ、室温センサー８ｃ、操作パネル９ｃは、集中制御機１１と有線又は無線で接続されている。
Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram conceptually showing an overall configuration of a room temperature control system according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a functional configuration of the system. This system is applied to a house 4, which includes a living room 1 (for example, a bedroom), a living room 2 (for example, a children's room), a living room 3 (for example, a living room), and a non-living room 5 (for example, a corridor and a staircase). I have.
The living room 1 includes one window 6a, a ventilation fan 30a, an air conditioner 7a, a room temperature sensor 8a, an operation panel 9a, and a relay device 10a. The living room 2 includes one window 6b, a ventilation fan 30b, an air conditioner 7b, a room temperature sensor 8b, an operation panel 9b, and a relay device 10b. The living room 3 includes one window 6c, a ventilation fan 30c, an air conditioner 7c, a room temperature sensor 8c, an operation panel 9c, and a centralized controller 11. An outdoor temperature sensor 12 and a rain sensor 13 are provided outdoors.
The windows 6a and 6b of the living rooms 1 and 2, the ventilation fans 30a and 30b, the air conditioners 7a and 7b, the room temperature sensors 8a and 8b, the operation panels 9a and 9b, the outside air temperature sensor 12, and the rain sensor 13 are connected via the relay devices 10a and 10b. It is connected to the centralized controller 11 by wire or wireless. The window 6c of the living room 3, the ventilation fan 30c, the air conditioner 7c, the room temperature sensor 8c, and the operation panel 9c are connected to the centralized controller 11 in a wired or wireless manner.
居室３に設けられる操作パネル９ｃは、各居室１，２，３の状態をモニターする機能、各居室１，２，３の運転モード等を設定する機能を有する。図１０はモニター画面を示しており、この画面では降雨の有無１４、外気温１５、日時と、各居室の運転モード１６、室温１７、窓の状態１８、換気扇の状態３１、エアコンの状態１９を表示する。図１０の画面で居室１を選択すると、図１１の画面に切り替わり、居室１の室温１７、外気温１５、運転モード１６が表示される。図１２は居室１の設定画面を示し、ユーザーは運転モード、室温の快適上限温度ＴＨ及び快適下限温度ＴＬを設定することができる（図１２は、快適下限温度を設定するときの状態を示す）。快適上限温度ＴＨと快適下限温度ＴＬは、ユーザーが好きな温度に設定できるが、エコを考慮して快適上限温度ＴＨは通常のエアコンの設定温度より若干高めに設定し、快適下限温度ＴＬはユーザーが許容できる温度（寒いと感じない温度）とする。具体的には、例えば昼間は快適上限温度ＴＨを２７℃、快適下限温度ＴＬを２２℃に設定し、夜間は快適上限温度ＴＨを２９℃、快適下限温度ＴＬを２４℃と設定する。快適上限温度ＴＨと快適下限温度ＴＬを個々に設定するのではなく、ある一つの設定温度を設定すると、その設定温度±３℃が快適上限温度ＴＨ・快適下限温度ＴＬとして自動的に設定されるようにすることもできる。なお、一般的にエアコンにも設定温度を設定する機能があるが、エアコンの設定温度は本システムの快適上限温度ＴＨと同じ温度に設定するようにする。操作パネル９ｃは、専用の操作パネルであってもよいが、タブレット端末等を利用することもできる。
図１３は居室１，２に設けられる操作パネル９ａ，９ｂのモニター画面を示し、図１４は同操作パネル９ａ，９ｂの設定画面を示している。この操作パネル９ａ，９ｂでは、居室１，２ごとの状態をモニターする機能、居室１，２ごとに運転モード１６等を設定する機能を有している。
The operation panel 9c provided in the living room 3 has a function of monitoring the state of each of the living rooms 1, 2, 3 and a function of setting the operation mode of each of the living rooms 1, 2, 3. FIG. 10 shows a monitor screen. In this screen, the presence / absence of rain 14, the outside temperature 15, the date and time, the operation mode 16 of each room, the room temperature 17, the window state 18, the ventilation fan state 31, and the air conditioner state 19 are displayed. indicate. When room 1 is selected on the screen of FIG. 10, the screen is switched to the screen of FIG. 11, and room temperature 17, outside temperature 15, and operation mode 16 of room 1 are displayed. FIG. 12 shows the setting screen of the living room 1, and the user can set the operation mode, the comfortable upper limit temperature TH and the comfortable lower limit temperature TL (FIG. 12 shows a state when the comfortable lower limit temperature is set). . The comfortable upper limit temperature TH and the comfortable lower limit temperature TL can be set as desired by the user, but considering the ecology, the comfortable upper limit temperature TH is set slightly higher than the normal air conditioner set temperature, and the comfortable lower limit temperature TL is set to the user. Is an acceptable temperature (a temperature that does not feel cold). Specifically, for example, the comfortable upper limit temperature TH is set to 27 ° C. and the comfortable lower limit temperature TL is set to 22 ° C. during the daytime, and the comfortable upper limit temperature TH is set to 29 ° C. and the comfortable lower limit temperature TL is set to 24 ° C. at night. Rather than individually setting the comfortable upper limit temperature TH and the comfortable lower limit temperature TL, when a certain set temperature is set, the set temperature ± 3 ° C is automatically set as the comfortable upper limit temperature TH and the comfortable lower limit temperature TL. It can also be done. In general, an air conditioner also has a function of setting a set temperature, but the set temperature of the air conditioner is set to the same temperature as the comfortable upper limit temperature TH of this system. The operation panel 9c may be a dedicated operation panel, but a tablet terminal or the like can also be used.
FIG. 13 shows a monitor screen of the operation panels 9a and 9b provided in the living rooms 1 and 2, and FIG. 14 shows a setting screen of the operation panels 9a and 9b. The operation panels 9a and 9b have a function of monitoring the state of each of the rooms 1 and 2 and a function of setting the operation mode 16 for each of the rooms 1 and 2.
運転モードには、「自動Ａ」、「自動Ｎ」、「待機Ａ」、「待機Ｎ」、「手動」の各モードがある。「自動Ａ」は、エアコン使用モードで自動運転中であることを意味し、このモードでは室温センサー８ａ，８ｂ，８ｃにより検出した室温と外気温センサー１２により検出した外気温に基づいて、窓６ａ，６ｂ，６ｃの開閉と換気扇３０ａ，３０ｂ，３０ｃ及びエアコン７ａ，７ｂ，７ｃのＯＮ・ＯＦＦ（以下、ＯＮとは作動させる、ＯＦＦとは作動を終了することを意味する）が自動でなされ、室温が快適な温度に制御される。「自動Ｎ」は、エアコン不使用モードで自動運転中であることを意味し、このモードでは室温と外気温に基づいて窓６ａ，６ｂ，６ｃの開閉と換気扇３０ａ，３０ｂ，３０ｃのＯＮ・ＯＦＦのみを行って、室温が快適な温度に制御される。「自動Ａ」、「自動Ｎ」の各モードでは、自動運転する時間を例えば何時から何時まで、選択後何時間といった形で設定することができる。「待機Ａ」は、「自動Ａ」モードにおいて自動運転時間外であることを意味し、「待機Ｎ」は、「自動Ｎ」モードにおいて自動運転時間外であることを意味する。「手動」モードでは、窓６ａ，６ｂ，６ｃの開閉と換気扇３０ａ，３０ｂ，３０ｃ及びエアコン７ａ，７ｂ，７ｃのＯＮ・ＯＦＦをユーザーが操作パネル９ａ，９ｂ，９ｃから手動で行える。
居室１に人が居る時には、「自動Ａ」モードが優先する。居室１に人が居ない時や非居室５では、「自動Ｎ」モードを選択することで、熱溜り排気や壁に蓄冷し、冷房使用を減らすことができる。「自動Ａ」モードと「自動Ｎ」モードの相互の切り替えは、ユーザーが操作パネル９ａ，９ｂ，９ｃにより手動で行ってもよいが、人感センサーを用いて自動的に切り替えることもできる。
上記の各運転モードに加え、ユーザーが帰宅時に部屋が暑い場合に、強制的にエアコンで暫く冷やし、快適温度になったら通常運転に戻す設定もできる。
The operation modes include “automatic A”, “automatic N”, “standby A”, “standby N”, and “manual” modes. “Automatic A” means that automatic operation is being performed in the air conditioner use mode. In this mode, the window 6a is based on the room temperature detected by the room temperature sensors 8a, 8b, and 8c and the outside air temperature detected by the outside air temperature sensor 12. , 6b, 6c and the ventilation fans 30a, 30b, 30c and the air conditioners 7a, 7b, 7c are automatically turned ON / OFF (hereinafter, “ON” means “ON” means “off”), The room temperature is controlled to a comfortable temperature. “Auto N” means that the air conditioner is not in use and is in automatic operation. In this mode, the windows 6a, 6b, 6c are opened and closed and the ventilation fans 30a, 30b, 30c are turned on / off based on the room temperature and the outside temperature. Only do it, the room temperature is controlled to a comfortable temperature. In each of the “automatic A” and “automatic N” modes, the time for automatic driving can be set, for example, from what time to what time, how many hours after selection. “Standby A” means that it is outside the automatic operation time in the “Automatic A” mode, and “Standby N” means that it is outside the automatic operation time in the “Automatic N” mode. In the “manual” mode, the user can manually open and close the windows 6a, 6b, 6c and turn the ventilation fans 30a, 30b, 30c and the air conditioners 7a, 7b, 7c on and off from the operation panels 9a, 9b, 9c.
When there is a person in the living room 1, the “automatic A” mode has priority. When there is no person in the living room 1 or in the non-living room 5, by selecting the “automatic N” mode, it is possible to reduce the use of cooling by storing heat in the heat accumulation exhaust or on the wall. Switching between the “automatic A” mode and the “automatic N” mode may be manually performed by the user through the operation panels 9a, 9b, and 9c, but may be automatically performed using a human sensor.
In addition to the above operation modes, if the room is hot when the user returns home, the user can forcibly cool with an air conditioner for a while and return to normal operation when a comfortable temperature is reached.
窓６ａ，６ｂ，６ｃは、屋外へと繋がる電動窓であって、各居室１，２，３の屋外に面した壁面に設けてあり、集中制御機１１からの指令に基づき、図示しないモーターによって自動で開閉される。窓６ａ，６ｂ，６ｃは、全開、全閉の他、半開きの状態として通風量を制限することもできる。各窓６ａ，６ｂ，６ｃは、すべり出し窓やオーニング窓、引違い窓など、その種類は問わない。
換気扇３０ａ，３０ｂ，３０ｃは、各居室１，２，３の屋外に面していない位置、具体的には天井部に設けてあり、集中制御機１１からの指令に基づき、窓６ａ，６ｂ，６ｃが開いたときに換気扇３０ａ，３０ｂ，３０ｃがＯＮし、窓６ａ，６ｂ，６ｃが閉まったときに換気扇３０ａ，３０ｂ，３０ｃがＯＦＦするように、窓６ａ，６ｂ，６ｃと連動して制御される。換気扇３０ａ，３０ｂ，３０ｃは、通常運転の他、弱運転を選択することもできる。なお、図中の符号３７は、換気扇３０ａ，３０ｂ，３０ｃが吸い込んだ空気を屋外に排出するための排気ダクトである。排気ダクト３７での出口は、窓６ａ，６ｂ，６ｃから離れた位置に設けてある。このように排気ダクト３７の出口を窓６ａ，６ｂ，６ｃから離れた位置に設けることで、排気ダクト３７から排気される居室１，２，３内の空気が窓６ａ，６ｂ，６ｃから居室１，２，３内に再び吸い込まれるショートサーキットを防ぎ、居室１，２，３の換気を正常に行える。
The windows 6a, 6b, and 6c are electric windows connected to the outdoors, provided on the walls facing the outdoors of the living rooms 1, 2, and 3, and based on instructions from the centralized controller 11 by a motor (not shown). It opens and closes automatically. The windows 6a, 6b, and 6c can restrict the amount of ventilation as a half-open state in addition to a full open and a full close. The windows 6a, 6b, and 6c may be of any kind such as sliding windows, awning windows, sliding windows, and the like.
The ventilation fans 30a, 30b, and 30c are provided at positions that do not face the outside of each of the living rooms 1, 2, and 3, specifically, at the ceiling, and based on commands from the centralized controller 11, the windows 6a, 6b, Control is performed in conjunction with windows 6a, 6b and 6c so that ventilation fans 30a, 30b and 30c are turned on when 6c is opened and ventilation fans 30a, 30b and 30c are turned off when windows 6a, 6b and 6c are closed. Is done. The ventilation fans 30a, 30b, and 30c can select weak operation in addition to normal operation. In addition, the code | symbol 37 in a figure is an exhaust duct for discharging | emitting the air which the ventilation fans 30a, 30b, 30c inhaled outdoors. The outlet of the exhaust duct 37 is provided at a position away from the windows 6a, 6b, 6c. Thus, by providing the outlet of the exhaust duct 37 at a position away from the windows 6a, 6b, and 6c, the air in the living rooms 1, 2, and 3 exhausted from the exhaust duct 37 is sent from the windows 6a, 6b, and 6c to the living room 1. , 2 and 3 can be prevented from being sucked again, and the living rooms 1, 2 and 3 can be ventilated normally.
各居室１，２，３には窓６ａ，６ｂ，６ｃがそれぞれ一つずつしかないため、窓６ａ，６ｂ，６ｃを開けただけでは風の入口出口を確保できないので通風効果が得られないが、窓６ａ，６ｂ，６ｃを開けると同時に換気扇３０ａ，３０ｂ，３０ｃをＯＮすることで、換気扇３０ａ，３０ｂ，３０ｃにより居室１，２，３内の空気が強制的に屋外に吸い出され、それに伴って窓６ａ，６ｂ，６ｃより屋外の空気が居室１，２，３内に入るため、効率よく換気が行える。しかも、換気扇３０ａ，３０ｂ，３０ｃを天井部に設けることで、各居室１，２，３内の暖かい空気を積極的に屋外に排出できるから、室温を下げるのに効果的である。
また、居室１，２，３ごとに窓６ａ，６ｂ，６ｃと換気扇３０ａ，３０ｂ，３０ｃが設けてあり、換気空間が区分けされることで、十分な換気扇３０ａ，３０ｂ，３０ｃの効果を得ることができる。
居室１及び２の換気扇３０ａ，３０ｂは、窓６ａ，６ｂから離れた位置（窓６ａ，６ｂと反対側の位置）の天井部に設けてある。このように換気扇３０ａ，３０ｂと窓６ａ，６ｂとをなるべく離して設けることで、居室１，２内全体に渡って空気の流れができ、居室１，２内全体を効率良く換気できる。
Each room 1, 2 and 3 has only one window 6a, 6b and 6c, so it is not possible to secure the entrance and exit of the wind just by opening the windows 6a, 6b and 6c. By opening the windows 6a, 6b, 6c and simultaneously turning on the ventilation fans 30a, 30b, 30c, the ventilation fans 30a, 30b, 30c forcibly suck out the air in the rooms 1, 2, 3 to the outside. Accordingly, since outdoor air enters the living rooms 1, 2, and 3 through the windows 6a, 6b, and 6c, ventilation can be performed efficiently. In addition, by providing the ventilation fans 30a, 30b, and 30c on the ceiling, the warm air in each of the living rooms 1, 2, and 3 can be actively discharged to the outside, which is effective in lowering the room temperature.
Moreover, window 6a, 6b, 6c and ventilation fan 30a, 30b, 30c are provided for every living room 1, 2, 3, and the effect of sufficient ventilation fan 30a, 30b, 30c is acquired by dividing ventilation space. Can do.
The ventilation fans 30a and 30b of the living rooms 1 and 2 are provided in the ceiling portion at a position away from the windows 6a and 6b (position opposite to the windows 6a and 6b). Thus, by providing the ventilation fans 30a and 30b and the windows 6a and 6b as far as possible, air can flow over the entire interiors of the rooms 1 and 2, and the entire interior of the rooms 1 and 2 can be efficiently ventilated.
集中制御機１１は、例えばパソコンや専用コントローラー等で構成され、各種データ及びプログラムを記憶する記憶部や、計時動作を行う計時部等を備えており、記憶部に予め格納されたプログラムに従い、室温と外気温の比較等を行い、窓６ａ，６ｂ，６ｃの開閉と換気扇３０ａ，３０ｂ，３０ｃ及びエアコン７ａ，７ｂ，７ｃのＯＮ・ＯＦＦを制御する。 The central controller 11 includes, for example, a personal computer and a dedicated controller, and includes a storage unit that stores various data and programs, a timer unit that performs timekeeping operations, and the like, according to a program stored in advance in the storage unit. The outside air temperature is compared, and the opening / closing of the windows 6a, 6b, 6c and the ON / OFF of the ventilation fans 30a, 30b, 30c and the air conditioners 7a, 7b, 7c are controlled.
以下、集中制御機１１により実行される制御の内容について説明する。居室１，２，３で行う制御は同じなので、代表的に居室１について説明する。
図３は、「自動Ａ（エアコン使用モード）」における外気温と室温に対応した窓６ａ、換気扇３０ａ及びエアコン７ａの状態をまとめたグラフである。同図に示すように、室温が快適温度範囲内で外気温が室温より高いときは（図中のＡ領域）、換気扇３０ａ及びエアコン７ａはＯＦＦで窓６ａは閉となる。室温が快適温度範囲内で外気温が室温より低いときは（図中のＢ領域）、窓６ａは開で換気扇３０ａはＯＮ、エアコン７ａはＯＦＦとなる。また、室温が快適温度範囲を上回り、外気温が室温より高いときは（図中のＣ領域）、窓６ａは閉で換気扇３０ａはＯＦＦ、エアコン７ａはＯＮとなる。室温が快適温度範囲を上回り、外気温が室温より低いときは（図中のＤ領域）、窓６ａは開で換気扇３０ａはＯＮ、エアコン７ａはＯＦＦとなる。このように換気扇３０ａとエアコン７ａと窓６ａを制御することで、自然のエネルギーの有効利用と最小限のエアコン運転によって、快適な温度環境を提供できると共に、省エネを図ることができる。窓６ａを開くときは換気扇３０ａがＯＮになるので、窓６ａが一つしかない居室１でも、屋外の風の状況にかかわらず一定以上の換気量を確保することができる。
また「自動Ａ」モードにおいて、室温が快適下限温度ＴＬより低いときは（図中のＥ領域）、換気扇３０ａ及びエアコン７ａはＯＦＦで窓６ａは閉となる。また、外気温について窓を開ける下限値（窓閉温度ＴＣ）が予め設定してあり、外気温がその下限値ＴＣよりも低いときは（図中のＦ領域）、換気扇３０ａ及びエアコン７ａはＯＦＦで窓６ａは閉となる。これにより、冷たい外気が室内に入って室内が寒くなるのを防ぐことができる。
また、室温が快適下限温度ＴＬより高く、外気温が快適下限温度ＴＬと窓閉温度ＴＣの間にあるときは（図中のＧ領域）、エアコン７ａはＯＦＦとし窓６ａ，６ｂを制限的に開け、且つ換気扇３０ａを弱運転として、通風を調節する。窓６ａの開ける量は、外気温が快適下限温度ＴＬに近いときは大きく開け、外気温が窓閉温度ＴＣに近くになるにつれ開ける量を小さくする。これにより、適度な換気を行いつつ室内を快適に維持できる。
Hereinafter, the contents of the control executed by the centralized controller 11 will be described. Since the control performed in the living rooms 1, 2 and 3 is the same, only the living room 1 will be described.
FIG. 3 is a graph summarizing states of the window 6a, the ventilation fan 30a, and the air conditioner 7a corresponding to the outside air temperature and the room temperature in “Auto A (air conditioner use mode)”. As shown in the figure, when the room temperature is within the comfortable temperature range and the outside air temperature is higher than the room temperature (A region in the figure), the ventilation fan 30a and the air conditioner 7a are OFF and the window 6a is closed. When the room temperature is within the comfortable temperature range and the outside air temperature is lower than room temperature (B area in the figure), the window 6a is open, the ventilation fan 30a is ON, and the air conditioner 7a is OFF. When the room temperature exceeds the comfortable temperature range and the outside air temperature is higher than the room temperature (C region in the figure), the window 6a is closed, the ventilation fan 30a is turned off, and the air conditioner 7a is turned on. When the room temperature exceeds the comfortable temperature range and the outside air temperature is lower than the room temperature (D region in the figure), the window 6a is opened, the ventilation fan 30a is turned on, and the air conditioner 7a is turned off. Thus, by controlling the ventilation fan 30a, the air conditioner 7a, and the window 6a, a comfortable temperature environment can be provided and energy saving can be achieved by effective use of natural energy and the minimum air conditioner operation. Since the ventilation fan 30a is turned on when the window 6a is opened, even in the living room 1 having only one window 6a, a certain amount of ventilation can be ensured regardless of the outdoor wind conditions.
In the “automatic A” mode, when the room temperature is lower than the comfortable lower limit temperature TL (E region in the figure), the ventilation fan 30a and the air conditioner 7a are turned off and the window 6a is closed. Moreover, when the lower limit value (window closing temperature TC) for opening the window is set in advance for the outside air temperature and the outside air temperature is lower than the lower limit value TC (F region in the figure), the ventilation fan 30a and the air conditioner 7a are turned off. Thus, the window 6a is closed. As a result, it is possible to prevent cold outside air from entering the room and causing the room to become cold.
When the room temperature is higher than the comfortable lower limit temperature TL and the outside air temperature is between the comfortable lower limit temperature TL and the window closing temperature TC (G region in the figure), the air conditioner 7a is turned off and the windows 6a and 6b are restricted. The ventilation is adjusted by opening the ventilation fan 30a and making it weak. The amount of opening of the window 6a is large when the outside air temperature is close to the comfortable lower limit temperature TL, and the amount of opening is small as the outside air temperature is close to the window closing temperature TC. Thereby, the room can be comfortably maintained while performing appropriate ventilation.
図４は、「自動Ｎ（エアコン不使用モード）」における外気温と室温に対応した窓６ａと換気扇３０ａの状態をまとめたグラフである。同図に示すように、室温が快適下限温度ＴＬ以上で外気温が室温より低いときは（図中のＨ領域）、窓６ａは開で換気扇３０ａはＯＮとなる。室温が快適下限温度ＴＬ以上で外気温が室温より高いときは（図中のＩ領域）、窓６ａは閉で換気扇３０ａはＯＦＦとなる。このように窓６ａと換気扇３０ａを制御することで、エアコン７ａを使わずに室温を快適な温度に制御できる。
さらに「自動Ｎ」モードにおいて、室温が快適下限温度ＴＬより低いときは（図中のＪ領域）、窓６ａは閉で換気扇３０ａはＯＦＦとなる。また、外気温について窓６ａを開ける下限値（窓閉温度ＴＣ）が予め設定してあり、外気温がその下限値ＴＣよりも低いときは（図中のＫ領域）、窓６ａは閉で換気扇３０ａはＯＦＦとなる。これにより、冷たい外気が室内に入って室内が寒くなるのを防ぐことができる。
また、室温が快適下限温度ＴＬより高く、外気温が快適下限温度ＴＬと窓閉温度ＴＣの間にあるときは（図中のＬ領域）、窓６ａを制限的に開け、且つ換気扇３０ａを弱運転として、通風を調節する。これにより、適度な換気を行いつつ室内を快適に維持できる。
FIG. 4 is a graph summarizing the states of the window 6a and the ventilation fan 30a corresponding to the outside air temperature and room temperature in the “automatic N (air conditioner non-use mode)”. As shown in the figure, when the room temperature is equal to or higher than the comfortable lower limit temperature TL and the outside air temperature is lower than the room temperature (H region in the figure), the window 6a is opened and the ventilation fan 30a is turned on. When the room temperature is equal to or higher than the comfortable lower limit temperature TL and the outside air temperature is higher than the room temperature (I region in the figure), the window 6a is closed and the ventilation fan 30a is turned off. By controlling the window 6a and the ventilation fan 30a in this way, the room temperature can be controlled to a comfortable temperature without using the air conditioner 7a.
Further, in the “automatic N” mode, when the room temperature is lower than the comfortable lower limit temperature TL (J region in the figure), the window 6a is closed and the ventilation fan 30a is turned off. Moreover, when the lower limit value (window closing temperature TC) for opening the window 6a with respect to the outside air temperature is set in advance and the outside air temperature is lower than the lower limit value TC (K region in the figure), the window 6a is closed and the ventilation fan is closed. 30a is OFF. As a result, it is possible to prevent cold outside air from entering the room and causing the room to become cold.
When the room temperature is higher than the comfortable lower limit temperature TL and the outside air temperature is between the comfortable lower limit temperature TL and the window closing temperature TC (L region in the figure), the window 6a is opened restrictively and the ventilation fan 30a is weakened. Adjust the ventilation for driving. Thereby, the room can be comfortably maintained while performing appropriate ventilation.
図７，８は、上述の「自動Ａ」モード、「自動Ｎ」モードを実施するためのフローチャートの一例を示している。図７に示すように、制御判定が開始されると、ループ処理が開始され（ステップＳ１）、続いて雨センサー１３（図１参照）により得られる情報から降雨か否かを判定する（ステップＳ２）。降雨と判定されると、センサースイッチＯＮ／ＯＦＦを確認する（ステップＳ３）。センサースイッチは、ユーザーがセンサーを有効化・無効化するためのスイッチで、図１１〜１４に示す操作パネル上で「雨センサ」ボタン２０を押すことでＯＮ／ＯＦＦを切り替える。通常はセンサースイッチはＯＮとなっており、この場合はすべての窓６ａ，６ｂを閉じ（ステップＳ４）、ループ処理を終了する（ステップＳ５）。センサースイッチをＯＦＦとするのは、雨が降っていても窓を開けて室内の煙や臭いなどを排出したいときなどに用いられる。ステップＳ２で降雨でないと判定されたとき、降雨であってもセンサースイッチＯＦＦのときは、図８に示すグループ毎の処理を行う（ステップＳ６）。 7 and 8 show an example of a flowchart for implementing the above-described “automatic A” mode and “automatic N” mode. As shown in FIG. 7, when control determination is started, loop processing is started (step S1), and then it is determined whether or not it is raining from information obtained by the rain sensor 13 (see FIG. 1) (step S2). ). If it is determined that it is raining, the sensor switch ON / OFF is confirmed (step S3). The sensor switch is a switch for enabling / disabling the sensor by the user, and is switched ON / OFF by pressing the “rain sensor” button 20 on the operation panel shown in FIGS. Normally, the sensor switch is ON. In this case, all the windows 6a and 6b are closed (step S4), and the loop processing is ended (step S5). The sensor switch is turned off when the window is opened and it is desired to discharge indoor smoke or odor even when it is raining. When it is determined in step S2 that it is not raining, even if it is raining, if the sensor switch is OFF, processing for each group shown in FIG. 8 is performed (step S6).
グループ毎の処理では、まず自動制御時間内であるか否かを判定する（ステップＳ７）。自動制御時間内と判定されると、待機時間ｔが経過したか否かを判定する（ステップＳ８）。待機時間ｔは制御間隔のことで、後述する換気扇とエアコンと窓の状態設定時に所定の時間ｔ１，ｔ２，ｔ３が設定されるものである。したがって、以後の処理は所定の時間ｔ１，ｔ２，ｔ３毎に行われることになる。
待機時間経過と判定されると、室温が快適下限温度ＴＬ以下か否かを判定する（ステップＳ９）。室温が快適下限温度ＴＬ以下の場合は、窓６ａを閉とし換気扇３０ａ及びエアコン７ａをＯＦＦし（ステップＳ１０）、制御間隔ｔ１を設定する（ステップＳ１１）。室温が快適下限温度ＴＬ以上の場合は、次に外気温が窓閉温度ＴＣ以下か否かを判定する（ステップＳ１２）。外気温が窓閉温度ＴＣ以下の場合は、窓６ａを閉とし換気扇３０ａ及びエアコン７ａをＯＦＦし（ステップＳ１０）、制御間隔ｔ１を設定する（ステップＳ１１）。外気温が窓閉温度ＴＣ以上の場合は、次に外気温が快適下限温度ＴＬ以下か否かを判定する（ステップＳ１３）。外気温が快適下限温度ＴＬ以下の場合は、窓６ａを制限開とし、換気扇３０ａを弱とし、エアコン７ａをＯＦＦとし（ステップＳ１４）、制御間隔ｔ２を設定する（ステップＳ１５）。
外気温が快適下限温度ＴＬ以上の場合は、エアコン有モードが選択されているか否か（エアコン使用モードかエアコン不使用モードか）を判定する（ステップＳ１６）。エアコン不使用モードが選択されている場合は、次に室温より外気温が低いか否かを判定し（ステップＳ１７）、室温より外気温が低いときは、窓６ａを開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ１８）、制御間隔ｔ３を設定する（Ｓ１９）。室温より外気温が高いときは、窓６ａは閉とし、換気扇３０ａ及びエアコン７ａをＯＦＦし（ステップＳ２０）、制御間隔ｔ３を設定する（ステップＳ２１）。
ステップＳ１６でエアコン使用モードが選択されていると、室温が快適温度範囲内か否かを判定する（ステップＳ２２）。室温が快適温度範囲外と判定されると、次に外気温が快適上限温度ＴＨ以上か否かを判定する（ステップＳ２３）。外気温が快適上限温度ＴＨ以上の場合は、次に外気温が室温より低いか否かを判定し（ステップＳ２４）、外気温が室温より低いときは窓６ａを開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ２５）、制御時間ｔ３を設定する（ステップＳ２６）。一方、外気温が室温より高いときは、窓６ａを閉とし、換気扇３０ａをＯＦＦし、エアコン７ａをＯＮし（ステップＳ２７）、制御時間ｔ３を設定する（ステップＳ２８）。ステップＳ２３で外気温が快適上限温度ＴＨ以下の場合は、窓６ａは開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ２９）、制御間隔ｔ３を設定する（ステップＳ３０）。
ステップＳ２２で室温が快適温度範囲内のときは、エアコン７ａがＯＮ状態か否かを判定する（Ｓ３１）。エアコン７ａがＯＮ状態のときは、窓６ａを閉、換気扇３０ａ及びエアコン７ａをＯＦＦし（ステップＳ３２）、制御時間ｔ３を設定する（ステップＳ３３）。エアコン７ａがＯＦＦのときは、次に外気温が快適上限温度ＴＨ以上か否かを判定する（ステップＳ３４）。外気温が快適上限温度ＴＨ以上の場合は、窓６ａは閉とし換気扇３０ａ及びエアコン７ａをＯＦＦし（ステップＳ３５）、制御間隔ｔ３を設定する（ステップＳ３６）。外気温が快適上限温度ＴＨ以下の場合は、次に室温より外気温が低いか否かを判定する（ステップＳ３７）。室温より外気温が低い場合は、窓６ａは開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ３８）、制御間隔ｔ３を設定する（ステップＳ３９）。室温より外気温が高い場合は、窓６ａは閉とし、換気扇３０ａ及びエアコン７ａをＯＦＦし（ステップＳ４０）、制御間隔ｔ３を設定する（ステップＳ４１）。以上のように窓６ａと換気扇３０ａとエアコン７ａの状態を設定するとグループ毎の処理を終了し、図７のフローチャートのループ処理終了（ステップＳ５）に移行し、その次にループ処理開始（ステップＳ１）に戻り、上述の処理が繰り返し行われる。
なお、図８のフローチャートの下部に記載の英文字は、図３，４のグラフのＡ〜Ｌの各領域に対応している。図８のフローチャートは、エアコン使用モードのときの制御とエアコン不使用モードのときの制御を合体させたものとなっているが、エアコン使用モードとエアコン不使用モードとでグループ毎の処理のフローチャートを分けることもできる。
In the process for each group, it is first determined whether or not it is within the automatic control time (step S7). If it is determined that the time is within the automatic control time, it is determined whether or not the standby time t has elapsed (step S8). The waiting time t is a control interval, and predetermined times t1, t2, and t3 are set when setting the state of a ventilation fan, an air conditioner, and a window, which will be described later. Therefore, the subsequent processing is performed every predetermined time t1, t2, t3.
If it is determined that the standby time has elapsed, it is determined whether the room temperature is equal to or lower than the comfortable lower limit temperature TL (step S9). When the room temperature is equal to or less than the comfortable lower limit temperature TL, the window 6a is closed, the ventilation fan 30a and the air conditioner 7a are turned off (step S10), and the control interval t1 is set (step S11). If the room temperature is equal to or higher than the comfortable lower limit temperature TL, it is next determined whether or not the outside air temperature is equal to or lower than the window closing temperature TC (step S12). When the outside air temperature is equal to or lower than the window closing temperature TC, the window 6a is closed, the ventilation fan 30a and the air conditioner 7a are turned off (step S10), and the control interval t1 is set (step S11). If the outside air temperature is equal to or higher than the window closing temperature TC, it is next determined whether or not the outside air temperature is equal to or lower than the comfortable lower limit temperature TL (step S13). When the outside air temperature is equal to or lower than the comfortable lower limit temperature TL, the window 6a is restricted open, the ventilation fan 30a is weakened, the air conditioner 7a is turned off (step S14), and the control interval t2 is set (step S15).
When the outside air temperature is equal to or higher than the comfortable lower limit temperature TL, it is determined whether or not the air conditioner presence mode is selected (air conditioner use mode or air conditioner non-use mode) (step S16). If the air conditioner non-use mode is selected, it is next determined whether or not the outside air temperature is lower than the room temperature (step S17). If the outside air temperature is lower than the room temperature, the window 6a is opened and the ventilation fan 30a is turned on. Then, the air conditioner 7a is turned off (step S18), and the control interval t3 is set (S19). When the outside air temperature is higher than the room temperature, the window 6a is closed, the ventilation fan 30a and the air conditioner 7a are turned off (step S20), and the control interval t3 is set (step S21).
If the air conditioner use mode is selected in step S16, it is determined whether or not the room temperature is within the comfortable temperature range (step S22). If it is determined that the room temperature is outside the comfortable temperature range, it is next determined whether or not the outside air temperature is equal to or higher than the comfortable upper limit temperature TH (step S23). If the outside air temperature is equal to or higher than the comfortable upper limit temperature TH, it is next determined whether or not the outside air temperature is lower than the room temperature (step S24). If the outside air temperature is lower than the room temperature, the window 6a is opened and the ventilation fan 30a is turned on. Then, the air conditioner 7a is turned off (step S25), and the control time t3 is set (step S26). On the other hand, when the outside air temperature is higher than the room temperature, the window 6a is closed, the ventilation fan 30a is turned off, the air conditioner 7a is turned on (step S27), and the control time t3 is set (step S28). If the outside air temperature is equal to or lower than the comfortable upper limit temperature TH in step S23, the window 6a is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S29), and the control interval t3 is set (step S30).
When the room temperature is within the comfortable temperature range in step S22, it is determined whether or not the air conditioner 7a is in an ON state (S31). When the air conditioner 7a is in the ON state, the window 6a is closed, the ventilation fan 30a and the air conditioner 7a are turned off (step S32), and the control time t3 is set (step S33). When the air conditioner 7a is OFF, it is next determined whether or not the outside air temperature is equal to or higher than the comfortable upper limit temperature TH (step S34). When the outside air temperature is equal to or higher than the comfortable upper limit temperature TH, the window 6a is closed, the ventilation fan 30a and the air conditioner 7a are turned off (step S35), and the control interval t3 is set (step S36). If the outside air temperature is equal to or lower than the comfortable upper limit temperature TH, it is next determined whether or not the outside air temperature is lower than the room temperature (step S37). When the outside air temperature is lower than the room temperature, the window 6a is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S38), and the control interval t3 is set (step S39). When the outside air temperature is higher than the room temperature, the window 6a is closed, the ventilation fan 30a and the air conditioner 7a are turned off (step S40), and the control interval t3 is set (step S41). When the state of the window 6a, the ventilation fan 30a, and the air conditioner 7a is set as described above, the processing for each group is finished, the processing is shifted to the end of the loop processing (step S5) in the flowchart of FIG. 7, and then the loop processing is started (step S1) ) And the above process is repeated.
8 correspond to the areas A to L in the graphs of FIGS. 3 and 4. The flowchart of FIG. 8 is a combination of the control in the air conditioner use mode and the control in the air conditioner nonuse mode, but the process flowchart for each group in the air conditioner use mode and the air conditioner nonuse mode. It can also be divided.
上述の例では、ステップＳ１６でエアコン使用モードと判定され、ステップＳ２２で室温が快適温度範囲内にあると判定され、ステップＳ３４で外気温が快適上限温度ＴＨ以下の場合に、室温より外気温が低いかを判定し（ステップＳ３７）、室温より外気温が低いときは窓６ａは開、室温より外気温が高いときは窓６ａは閉となるようにしているが（エアコン７ａは何れもＯＦＦ）、室温と外気温とを比較するステップＳ３７を行わず、室温と外気温が少なくとも設定温度（例えば快適上限温度ＴＨ）より低ければ、エアコン７ａをＯＦＦにして窓６ａを開け、換気扇３０ａをＯＮするように制御することもできる。
この場合でも室温を快適に維持できるし、集中制御機１１が室温と外気温を所定時間（ｔ１、ｔ２，ｔ３）毎に確認することで、制御が簡単になり、また室温と外気温を確認する時間を細かくすることで、室温や外気温の変化に応じたタイムリーな温度制御が行える。
In the above example, when the air conditioner use mode is determined in step S16, it is determined in step S22 that the room temperature is within the comfortable temperature range, and in step S34, when the outside air temperature is equal to or less than the comfortable upper limit temperature TH, the outside air temperature is higher than the room temperature. Whether the temperature is lower (step S37), the window 6a is opened when the outside air temperature is lower than the room temperature, and the window 6a is closed when the outside air temperature is higher than the room temperature (the air conditioner 7a is OFF). If the room temperature and the outside air temperature are lower than at least the set temperature (for example, the comfortable upper limit temperature TH), the air conditioner 7a is turned off, the window 6a is opened, and the ventilation fan 30a is turned on. It can also be controlled.
Even in this case, the room temperature can be maintained comfortably, and the central controller 11 confirms the room temperature and the outside air temperature every predetermined time (t1, t2, t3), thereby simplifying the control and confirming the room temperature and the outside air temperature. By making the time to perform finer, timely temperature control according to changes in room temperature and outside air temperature can be performed.
図５は、「自動Ａ（エアコン使用モード）」における外気温と室温に対応した窓６ａ、換気扇３０ａ及びエアコン７ａの制御状態の他の例を示している。図３と異なる部分について説明すると、室温が快適温度範囲内で外気温が室温より所定の窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上下がったときに（図中の矢印２４参照）、窓６ａを開けて換気扇３０ａをＯＮし、エアコン７ａをＯＦＦにする。一方、外気温が室温より高くなると（図中の矢印２５参照）、すぐに窓６ａを閉じて換気扇３０ａ及びエアコン７ａをＯＦＦする。
外気温が室温より高くなり、窓６ａを閉めて換気扇３０ａ及びエアコン７ａをＯＦＦにした場合でも、日射や風などの影響により外気温が室温より一時的に低くなることがあり、窓６ａの開け閉めと換気扇３０ａのＯＮ・ＯＦＦが繰り返される場合があるが、外気温が室温より所定の窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上低くなってから窓６ａを開けて換気扇３０ａをＯＮ、エアコン７ａをＯＦＦすることで、そのような不都合（ハンチング）を解消することができる。
この窓開・エアコンＯＦＦ遅らせ温度ｄＴ１は、図５より明らかなように、窓を開けるときの外気温と窓を閉めるときの外気温との温度差であり、例えば１〜３℃に設定される。１℃よりも小さいとハンチングが起きるおそれがあり、３℃よりも大きいと窓６ａを開く時間が短くなるためである。窓開・エアコンＯＦＦ遅らせ温度ｄＴ１は、地域や個人差によって設定を変更できる。
室温が快適上限温度ＴＨより高い状態で、外気温が快適上限温度ＴＨよりも高いときに、外気温が室温より所定の窓開・エアコンＯＦＦ遅らせ温度ｄＴ４以上下がった場合（図中の矢印２０参照）、窓６ａを開けて換気扇３０ａをＯＮし、エアコン７ａをＯＦＦにする。外気温が室温より僅かに低い状態で窓６ａを開けてエアコン７ａをＯＦＦにすると、室内の壁等からの熱放射によってエアコンＯＦＦする前よりも室温が上がる場合があり、またエアコンＯＮの状態では室内の湿度が低くなっており、エアコンをＯＦＦして窓６ａを開けると屋外の湿った空気が室内に入ることで体感温度が上がる場合があるが、外気温が室温より所定の窓開・エアコンＯＦＦ遅らせ温度ｄＴ４以上低くなってから窓６ａを開けてエアコン７ａをＯＦＦすることで、そのような不都合を解消し、室温を快適に維持できる。
室温が快適上限温度ＴＨより高い状態で、外気温が快適上限温度ＴＨよりも低いときは、外気温がエアコンＯＮライン３２よりも低いと、窓６ａを開けて換気扇３０ａをＯＮ、エアコン７ａをＯＦＦし、外気温がエアコンＯＮライン３２よりも高いと、窓６ａを閉じて換気扇３０ａをＯＦＦ、エアコン７ａをＯＮする。なお、エアコンＯＮライン３２は、室温がＴＨで外気温が（ＴＨ−ｄＴ１）のポイント３３と、外気温がＴＨで室温が（ＴＨ＋ｄＴ４）のポイント３４とを結んだ線である。
また、エアコン７ａをＯＮすることにより、室温はエアコン７ａの設定温度まで低下するが、このとき室温が快適上限温度ＴＨより所定の窓閉・エアコンＯＦＦ遅らせ温度ｄＴ６以上下がってからエアコンをＯＦＦする（図中の矢印２２参照）ことにより、エアコン７ａがＯＮとＯＦＦを繰り返す不都合を解消することができる。なお、室温が快適上限温度ＴＨより窓閉・エアコンＯＦＦ遅らせ温度ｄＴ６以上下がらなかった場合は、外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上下がったとき（図中の矢印２３参照）、窓６ａを開けて換気扇３０ａをＯＮし、エアコン７ａをＯＦＦにする。
また、外気温が快適下限温度ＴＬより一定温度ｄＴ３以上低く且つ窓閉温度ＴＣより一定温度ｄＴ５以上高く、尚且つ室温が快適下限温度ＴＬより一定温度ｄＴ２以上高いときに（図中のＧ領域）、窓６ａを制限開とし、換気扇３０ａを弱運転とし、エアコン７ａをＯＦＦにしている。
FIG. 5 shows another example of the control state of the window 6a, the ventilation fan 30a, and the air conditioner 7a corresponding to the outside air temperature and room temperature in the “automatic A (air conditioner use mode)”. When the room temperature is within the comfortable temperature range and the outside air temperature falls below the room temperature by a predetermined window opening / air conditioner OFF delay temperature dT1 or more (see arrow 24 in the figure), the window 6a is opened. The ventilation fan 30a is turned on and the air conditioner 7a is turned off. On the other hand, when the outside air temperature becomes higher than room temperature (see arrow 25 in the figure), the window 6a is immediately closed and the ventilation fan 30a and the air conditioner 7a are turned off.
Even when the outside air temperature becomes higher than the room temperature and the window 6a is closed and the ventilation fan 30a and the air conditioner 7a are turned off, the outside air temperature may be temporarily lower than the room temperature due to the influence of solar radiation or wind. Closing and ON / OFF of the ventilation fan 30a may be repeated, but after the outside air temperature is lower than the room temperature by a predetermined window opening / air-conditioner OFF delay temperature dT1 or more, the window 6a is opened to turn on the ventilation fan 30a, and the air-conditioner 7a is turned OFF. By doing so, such inconvenience (hunting) can be solved.
The window opening / air conditioner OFF delay temperature dT1 is a temperature difference between the outside air temperature when the window is opened and the outside air temperature when the window is closed, as is apparent from FIG. . This is because hunting may occur when the temperature is lower than 1 ° C, and the time for opening the window 6a is shortened when the temperature is higher than 3 ° C. The setting of the window opening / air conditioner OFF delay temperature dT1 can be changed depending on the region and individual differences.
When the room temperature is higher than the comfortable upper limit temperature TH and the outside air temperature is higher than the comfortable upper limit temperature TH, the outside temperature falls below the room temperature by a predetermined window opening / air conditioner OFF temperature dT4 or more (see arrow 20 in the figure). ), The window 6a is opened, the ventilation fan 30a is turned on, and the air conditioner 7a is turned off. When the window 6a is opened and the air conditioner 7a is turned off when the outside air temperature is slightly lower than the room temperature, the room temperature may rise higher than before the air conditioner is turned off due to heat radiation from the indoor walls. When the indoor humidity is low and the air conditioner is turned off and the window 6a is opened, the perceived temperature may rise due to the outside moist air entering the room. By turning OFF the air temperature 7a by opening the window 6a after the OFF delay temperature dT4 or lower, such inconvenience can be eliminated and the room temperature can be maintained comfortably.
When the room temperature is higher than the comfortable upper limit temperature TH and the outside air temperature is lower than the comfortable upper limit temperature TH, when the outside air temperature is lower than the air conditioner ON line 32, the window 6a is opened, the ventilation fan 30a is turned on, and the air conditioner 7a is turned off. If the outside air temperature is higher than the air conditioner ON line 32, the window 6a is closed, the ventilation fan 30a is turned off, and the air conditioner 7a is turned on. The air conditioner ON line 32 is a line connecting a point 33 whose room temperature is TH and the outside air temperature is (TH−dT1) and a point 34 where the outside air temperature is TH and the room temperature is (TH + dT4).
Further, when the air conditioner 7a is turned on, the room temperature is lowered to the set temperature of the air conditioner 7a. At this time, the room temperature is lowered from the comfortable upper limit temperature TH by a predetermined window closing / air conditioner OFF delay temperature dT6 or more, and then the air conditioner is turned off ( By referring to the arrow 22 in the figure, it is possible to eliminate the inconvenience that the air conditioner 7a repeats ON and OFF. If the room temperature does not fall below the comfortable upper limit temperature TH by the window closing / air conditioner OFF temperature dT6 or more, when the outside temperature falls below the room temperature by the window opening / air conditioner OFF delay temperature dT1 or more (see arrow 23 in the figure). The window 6a is opened, the ventilation fan 30a is turned on, and the air conditioner 7a is turned off.
Further, when the outside air temperature is lower than the comfortable lower limit temperature TL by a certain temperature dT3 or more and higher than the window closing temperature TC by a certain temperature dT5 or more, and the room temperature is higher than the comfortable lower limit temperature TL by a certain temperature dT2 or more (G region in the figure). The window 6a is restricted open, the ventilation fan 30a is operated weakly, and the air conditioner 7a is turned off.
図６は、「自動Ｎ（エアコン不使用モード）」における外気温と室温に対応した窓６ａと換気扇３０ａの制御状態の他の例を示している。図４の場合と異なる部分について説明すると、室温が快適下限温度ＴＬ以上で外気温が室温より所定の窓開遅らせ温度ｄＴ７以上下がったときに（図中の矢印２６参照）、窓６ａを開けて換気扇３０ａをＯＮする。一方、外気温が室温より高くなると（図中の矢印２７参照）、すぐに窓６ａを閉じて換気扇３０ａをＯＦＦする。
外気温が室温より高くなり、窓６ａを閉めた場合でも、日射や風などの影響により外気温が室温より一時的に低くなることがあり、窓６ａの開け閉めと換気扇３０ａのＯＮ・ＯＦＦを繰り返す場合があるが、外気温が室温より所定の窓開遅らせ温度ｄＴ７以上低くなってから窓６ａを開けて換気扇３０ａをＯＮすることで、そのような不都合（ハンチング）を解消することができる。この窓開遅らせ温度ｄＴ７は、図６より明らかなように、窓を開けるときの外気温と窓を閉めるときの外気温との温度差であり、例えば１〜２℃に設定される。１℃よりも小さいとハンチングが起きるおそれがあり、２℃よりも大きいと窓６ａを開く時間が短くなるためである。
また、外気温が快適下限温度ＴＬより一定温度ｄＴ３以上低く且つ窓閉温度ＴＣより一定温度ｄＴ５以上高く、尚且つ室温が快適下限温度ＴＬより一定温度ｄＴ２以上高いときに（図中のＬ領域）、窓６ａを制限開とし換気扇３０ａを弱としている。
FIG. 6 shows another example of the control state of the window 6a and the ventilation fan 30a corresponding to the outside air temperature and the room temperature in the “automatic N (air conditioner non-use mode)”. The difference from FIG. 4 will be described. When the room temperature is equal to or higher than the comfortable lower limit temperature TL and the outside air temperature is lower than the room temperature by a predetermined window opening delay temperature dT7 or more (see arrow 26 in the figure), the window 6a is opened. Turn on the ventilation fan 30a. On the other hand, when the outside air temperature becomes higher than the room temperature (see arrow 27 in the figure), the window 6a is immediately closed and the ventilation fan 30a is turned off.
Even when the outside air temperature is higher than the room temperature and the window 6a is closed, the outside air temperature may be temporarily lower than the room temperature due to the influence of solar radiation or wind, and the opening and closing of the window 6a and the ON / OFF of the ventilation fan 30a may be turned off. Although it may repeat, such inconvenience (hunting) can be eliminated by opening the window 6a and turning on the ventilating fan 30a after the outside air temperature has been delayed by a predetermined window opening temperature dT7 or more from the room temperature. As is clear from FIG. 6, the window opening delay temperature dT7 is a temperature difference between the outside air temperature when the window is opened and the outside temperature when the window is closed, and is set to 1 to 2 ° C., for example. If the temperature is lower than 1 ° C, hunting may occur. If the temperature is higher than 2 ° C, the time for opening the window 6a is shortened.
Further, when the outside air temperature is lower than the comfortable lower limit temperature TL by a certain temperature dT3 or more and higher than the window closing temperature TC by a certain temperature dT5 or more, and the room temperature is higher than the comfortable lower limit temperature TL by a certain temperature dT2 or more (L region in the figure). The window 6a is restricted and the ventilation fan 30a is weak.
図９は、上述の図５，６の制御に対応したフローチャートを示している。図８と異なる部分について説明すると、ステップＳ１３で外気温が最適下限温度ＴＬ以下と判定されると、外気温が快適下限温度ＴＬより一定温度ｄＴ３以上低く且つ窓閉温度ＴＣより一定温度ｄＴ５以上高く、尚且つ室温が快適下限温度ＴＬより一定温度ｄＴ２以上高いか否かを判定する（ステップＳ４２）。この条件に合うときは、窓６ａを制限開とし、換気扇３０ａを弱とし、エアコン７ａをＯＦＦとし（ステップＳ１４）、制御間隔ｔ２を設定する（ステップＳ１５）。
ステップＳ１７で室温より外気温が低いと判定されると、外気温が室温より窓開遅らせ温度ｄＴ７以上低いか否かを判定する（ステップＳ４３）。外気温が室温より窓開遅らせ温度ｄＴ７以上低い場合は、窓６ａを開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ１８）、制御間隔ｔ３を設定する（Ｓ１９）。
ステップＳ２３で外気温が快適上限温度ＴＨ以下と判定されると、外気温がエアコンＯＮライン３２（図５参照）より低いか否かを判定する（ステップＳ４４）。外気温がエアコンＯＮライン３２より低い場合は、窓６ａは開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ２９）、制御間隔ｔ３を設定する（ステップＳ３０）。外気温がエアコンＯＮライン３２より高い場合は、窓６ａは閉とし、換気扇３０ａをＯＦＦし、エアコン７ａをＯＮし（ステップＳ４５）、制御時間ｔ３を設定する（ステップＳ４６）。
ステップＳ２３で外気温が快適上限温度ＴＨ以上と判定されると、外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ４以上低いか否か判定する（ステップＳ４７）。外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ４以上低い場合は、窓６ａは開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ２５）、制御間隔ｔ３を設定する（ステップＳ２６）。外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ４以上低くない場合は、窓６ａは閉とし、換気扇３０ａをＯＦＦし、エアコン７ａをＯＮし（ステップＳ２７）、制御時間ｔ３を設定する（ステップＳ２８）。
ステップＳ３１でエアコンＯＮ状態のときは、室温が快適上限温度ＴＨより窓閉・エアコンＯＦＦ遅らせ温度ｄＴ６以上低いか否かを判定する（ステップＳ４７）。室温が快適上限温度ＴＨより窓閉・エアコンＯＦＦ遅らせ温度ｄＴ６以上低い場合は、窓６ａを閉とし、換気扇３０ａをＯＦＦして、エアコン７ａをＯＦＦし（ステップＳ３２）、制御間隔ｔ３を設定する（Ｓ３３）。ステップＳ４７でｎｏの場合、即ち室温が快適上限温度ＴＨより低く且つ（ＴＨ−ｄＴ６）より高い場合は、外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上低いか否かを判定する（ステップＳ４８）。外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上低い場合は、窓６ａを開とし、換気扇３０ａをＯＮとし、エアコン７ａをＯＦＦし（ステップＳ４９）、制御間隔ｔ３を設定する（Ｓ５０）。
ステップＳ３７で室温より外気温が低いと判定されると、外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上低いか否かを判定する（ステップＳ５１）。外気温が室温より窓開・エアコンＯＦＦ遅らせ温度ｄＴ１以上低い場合は、窓６ａを開とし、換気扇３０ａをＯＮし、エアコン７ａをＯＦＦし（ステップＳ３８）、制御間隔ｔ３を設定する（Ｓ３９）。
なお、図９のフローチャートの下部に記載の英文字は、図５，６のグラフのＡ〜Ｌの各領域に対応している。
FIG. 9 shows a flowchart corresponding to the control shown in FIGS. The difference from FIG. 8 will be described. When the outside air temperature is determined to be equal to or lower than the optimum lower limit temperature TL in step S13, the outside air temperature is lower than the comfortable lower limit temperature TL by a certain temperature dT3 or more and higher than the window closing temperature TC by a certain temperature dT5 or more. In addition, it is determined whether the room temperature is higher than the comfortable lower limit temperature TL by a certain temperature dT2 or more (step S42). When this condition is met, the window 6a is restricted open, the ventilation fan 30a is weakened, the air conditioner 7a is turned off (step S14), and the control interval t2 is set (step S15).
If it is determined in step S17 that the outside air temperature is lower than the room temperature, it is determined whether or not the outside air temperature is lower than the room temperature by delaying the window opening temperature dT7 or more (step S43). When the outside air temperature is delayed from the room temperature by opening the window dT7 or more, the window 6a is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S18), and the control interval t3 is set (S19).
If it is determined in step S23 that the outside air temperature is equal to or lower than the comfortable upper limit temperature TH, it is determined whether or not the outside air temperature is lower than the air conditioner ON line 32 (see FIG. 5) (step S44). When the outside air temperature is lower than the air conditioner ON line 32, the window 6a is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S29), and the control interval t3 is set (step S30). When the outside air temperature is higher than the air conditioner ON line 32, the window 6a is closed, the ventilation fan 30a is turned off, the air conditioner 7a is turned on (step S45), and the control time t3 is set (step S46).
If it is determined in step S23 that the outside air temperature is equal to or higher than the comfortable upper limit temperature TH, it is determined whether or not the outside air temperature is lower than the room temperature by the window opening / air conditioner OFF delay temperature dT4 or more (step S47). If the outside air temperature is lower than the room temperature by opening the window and turning off the air conditioner OFF, the window 6a is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S25), and the control interval t3 is set (step S26). . If the outside air temperature is lower than the room temperature and the temperature dT4 is not lower than the room temperature, the window 6a is closed, the ventilation fan 30a is turned off, the air conditioner 7a is turned on (step S27), and the control time t3 is set (step S28). ).
If the air conditioner is ON in step S31, it is determined whether or not the room temperature is lower than the comfortable upper limit temperature TH by the window closing / air conditioner OFF delay temperature dT6 or more (step S47). When the room temperature is lower than the comfortable upper limit temperature TH by closing the window / air conditioner OFF temperature dT6 or more, the window 6a is closed, the ventilation fan 30a is turned off, the air conditioner 7a is turned off (step S32), and the control interval t3 is set ( S33). In the case of no in step S47, that is, when the room temperature is lower than the comfortable upper limit temperature TH and higher than (TH-dT6), it is determined whether or not the outside air temperature is lower than the room temperature by the window opening / air conditioner OFF delay temperature dT1 or more (step). S48). If the outside air temperature is lower than the room temperature by opening the window and turning off the air conditioner, the temperature 6T is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S49), and the control interval t3 is set (S50).
If it is determined in step S37 that the outside air temperature is lower than the room temperature, it is determined whether the outside air temperature is lower than the room temperature by delaying the window opening / air conditioner OFF and the temperature dT1 or more (step S51). If the outside air temperature is lower than the room temperature by opening the window / air conditioner OFF and the temperature dT1 or more, the window 6a is opened, the ventilation fan 30a is turned on, the air conditioner 7a is turned off (step S38), and the control interval t3 is set (S39).
Note that the English characters described at the bottom of the flowchart of FIG. 9 correspond to the areas A to L in the graphs of FIGS.
一般的に、真夏の就寝時にはエアコン７ａのタイマーをかけて就寝することが多いが、タイマーが切れると窓６ａが閉まっているために寝苦しくて目が覚めてしまうことがある。本システムのエアコン使用モードによれば、外気温が下がってくると窓６ａを開けて換気扇３０ａをＯＮし、エアコン７ａをＯＦＦするので、真夜中の寝苦しさを解消することができる。その後、外気温が快適下限温度ＴＬ以下まで下がると窓６ａが閉鎖されるため、明け方に起こりやすい寝冷えを防止できる。また、日中に外出するときなどには、エアコン不使用モードを選択することで、熱溜りの排気を促して冷房使用の削減に繋がる。また、夜間にエアコン不使用モードを選択することで、壁等への蓄冷を促して冷房使用の削減に繋がる。
本システムは、窓６ａと換気扇３０ａとを連動して制御し、窓６ａを開けるときに換気扇３０ａをＯＮすることで、換気扇３０ａにより居室内の空気が屋外に吸い出され、それに伴って窓６ａより屋外の涼しい空気が入ってくるため、窓が一つしかない居室であっても効率のよい換気が行える。また、窓６ａを開けるときに換気扇３０ａをＯＮすることで、風が無風ないし弱いときでも、一定の換気量を確保できる。
このように本システムは、エアコン不使用モードとエアコン使用モードを使い分けることで、最大限の自然風の利用と最小限のエアコンの利用により、住宅の環境や生活シーンに応じた快適な温度環境を提供できると共に、省エネを図ることができる。その結果、熱中症の発症を予防することができ、冷房が苦手な人に対しても夏の健康的な暮らしを提供することができる。
本システムは、居室１，２，３ごとに窓６ａ，６ｂ，６ｃと換気扇３０ａ，３０ｂ，３０ｃとエアコン７ａ，７ｂ，７ｃが設けられ、居室１，２，３ごとに室温を制御できるので、各居室１，２，３の室温を快適な温度に保つのが容易である。
Generally, when going to bed in midsummer, a timer of the air conditioner 7a is often used to sleep, but when the timer expires, the window 6a is closed and it may be difficult to sleep and may wake up. According to the air conditioner use mode of the present system, when the outside air temperature falls, the window 6a is opened, the ventilation fan 30a is turned on, and the air conditioner 7a is turned off. Thereafter, when the outside air temperature falls below the comfortable lower limit temperature TL, the window 6a is closed, so that it is possible to prevent a chill that tends to occur at dawn. In addition, when going out during the day, the air conditioner non-use mode is selected, so that exhaust of the heat reservoir is promoted and the use of cooling is reduced. In addition, by selecting the air conditioner non-use mode at night, cold storage on the wall or the like is promoted, leading to reduction of cooling use.
In this system, the window 6a and the ventilation fan 30a are controlled in conjunction with each other, and the ventilation fan 30a is turned on when the window 6a is opened, so that the air in the room is sucked out by the ventilation fan 30a, and accordingly the window 6a. Since cooler outdoor air comes in, efficient ventilation is possible even in a room with only one window. Further, by turning on the ventilation fan 30a when opening the window 6a, a constant ventilation amount can be secured even when the wind is no wind or weak.
In this way, this system uses the air conditioner non-use mode and the air conditioner use mode separately, and by using the maximum natural wind and the minimum use of the air conditioner, a comfortable temperature environment according to the environment of the house and the living scene can be achieved. It can be provided and energy can be saved. As a result, the onset of heat stroke can be prevented, and a healthy summer living can be provided even for people who are not good at cooling.
This system is provided with windows 6a, 6b, 6c, ventilation fans 30a, 30b, 30c and air conditioners 7a, 7b, 7c for each of the living rooms 1, 2, 3, and the room temperature can be controlled for each of the living rooms 1, 2, 3; It is easy to keep the room temperature of each living room 1, 2 and 3 at a comfortable temperature.
階段ホールなどの吹き抜け空間のような高低差のある室内では、窓を下の方に、換気扇を天井付近に設置することで、下から外気を取り入れて上部の熱気を抜くという通風経路を確保することができる。
また、階段ホール等の非居室５と居室１又は居室２との間に出入口となる開口部を設けることで、非居室５と居室１又は居室２の室温を合わせて制御することもできる。
In a room with a difference in elevation, such as a stairwell, a ventilating fan is installed in the lower part of the window and a ventilation fan is installed near the ceiling, ensuring a ventilation path that draws in outside air from below and removes hot air from the top. be able to.
Moreover, the room temperature of the non-living room 5 and the living room 1 or the living room 2 can also be controlled by providing an opening as an entrance / exit between the non-living room 5 such as the staircase hall and the living room 1 or the living room 2.
本システムは、居室に窓が複数ある場合にも適用することができる。窓が複数あっても、風が無風ないし弱い場合には、窓を開けても通風効果が得られないが、本システムによれば窓を開ける時に換気扇をＯＮすることで、風が無風ないし弱いときでも、一定の換気量を確保することができるので、屋外の涼しい空気を効率よく室内に採り込んで室温を快適に制御できる。 This system can also be applied when there are multiple windows in the room. Even if there are multiple windows, if the wind is no wind or weak, the ventilation effect will not be obtained even if the window is opened, but according to this system, the wind is no wind or weak by turning on the ventilation fan when opening the window Even at times, a certain amount of ventilation can be secured, so that cool outdoor air can be efficiently taken into the room and the room temperature can be controlled comfortably.
上記のように窓からの通風による換気と換気扇による強制的な換気を併用する場合において、屋外の風を検知する風センサーを屋外に設け、風センサーからの信号を集中制御機１１に送り、集中制御機１１は窓を開けるステップ（図８中のステップＳ１４、ステップＳ１８、ステップＳ２５、ステップＳ２９、ステップＳ３８、図９中のステップＳ１４、ステップＳ１８、ステップＳ２５、ステップＳ２９、ステップＳ３８、ステップＳ４９）の直前に、屋外の風のレベルが所定の閾値以上か否かを判定するステップを設け、屋外の風のレベルが所定の閾値以下のときは窓を開けて換気扇をＯＮし、屋外の風のレベルが所定の閾値以上のときは窓を開けて換気扇をＯＦＦする制御を行うことができる。 As described above, in the case where the ventilation by the ventilation from the window and the forced ventilation by the ventilation fan are used together, the wind sensor for detecting the outdoor wind is provided outdoors, and the signal from the wind sensor is sent to the centralized controller 11 to be concentrated. The controller 11 opens the window (step S14, step S18, step S25, step S29, step S38 in FIG. 8, step S14, step S18, step S25, step S29, step S38, step S49 in FIG. 9). Immediately before, a step for determining whether or not the outdoor wind level is equal to or higher than a predetermined threshold is provided. When the outdoor wind level is lower than or equal to the predetermined threshold, the window is opened and the ventilation fan is turned on. When the level is equal to or higher than a predetermined threshold, it is possible to perform control to open the window and turn off the ventilation fan.
風センサーとしては、例えば外部風速計や、住宅の壁面圧力を測ることで外部風速を予測し検知するものを用いることができる。
図１５は、窓と換気扇を併用する場合と窓のみの場合の換気量と外部風速の関係を示している。同図に示すように、窓と換気扇を併用する場合には、風が無風ないし弱いときは換気扇により一定の換気量が確保され（図中の水平部３５）、風がある程度強くなると風の強さに比例して換気量が大きくなる（図中の傾斜部３６）。一方、窓のみの場合は、風が無風ないし弱いときは換気量はほぼ一定の小さい値となり、風がある程度強くなると風の強さに比例して換気量が増大する。そこで、窓のみで必要な換気量を確保できるときの外部風速（図中の「必要な換気量となる外部風速」）を閾値として、外部風速が閾値以上のときは換気扇をＯＦＦして窓のみで換気を行い、外部風速が閾値以下のときは換気扇をＯＮし、窓と換気扇を併用して換気を行う。
As the wind sensor, for example, an external anemometer or a device that predicts and detects the external wind speed by measuring the wall pressure of the house can be used.
FIG. 15 shows the relationship between the ventilation amount and the external wind speed when the window and the ventilation fan are used together and when only the window is used. As shown in the figure, when a window and a ventilation fan are used in combination, when the wind is no wind or weak, a certain amount of ventilation is secured by the ventilation fan (horizontal portion 35 in the figure). The ventilation volume increases in proportion to the height (inclined portion 36 in the figure). On the other hand, in the case of only the window, the ventilation amount becomes a substantially constant small value when the wind is no wind or weak, and when the wind becomes strong to some extent, the ventilation amount increases in proportion to the strength of the wind. Therefore, the external wind speed when the necessary ventilation volume can be secured only with the window (the “external wind speed as the necessary ventilation volume” in the figure) is set as a threshold value. When the external wind speed exceeds the threshold value, the ventilation fan is turned off and only the window is set. Ventilation is performed, and when the external wind speed is below the threshold, the ventilation fan is turned on, and ventilation is performed using both the window and the ventilation fan.
具体例を以下に示す。図１７に示すように、部屋４０の屋外に面した壁に窓４１を一つ設置し、部屋４０の窓４１から離れた天井部に換気扇４２を設置し、屋外に外部風速計４３（風センサー）を設置し、換気扇４２をＯＮにして窓４１を開けた場合と、換気扇４２をＯＦＦにして窓４１を開けた場合とで、部屋４０の換気量が外部風速に応じてどのように変化するか測定した。換気量は、窓面に設置した窓面風速計４４で測定した風速より算出した。部屋４０の広さは８畳で、気積は３９．５ｍ３、窓４１はＷ５８６ｍｍ×Ｈ１０２６ｍｍの大きさのオーニング窓を用い、換気扇４２は定格風量４５０ｍ３／ｈのものを用いた。測定結果を図１６に示す。 Specific examples are shown below. As shown in FIG. 17, one window 41 is installed on the wall facing the outside of the room 40, a ventilation fan 42 is installed on the ceiling part away from the window 41 of the room 40, and an external anemometer 43 (wind sensor) is installed outdoors. ) And the ventilation fan 42 is turned on to open the window 41, and the ventilation fan 42 is turned off and the window 41 is opened, how the ventilation amount of the room 40 changes according to the external wind speed. I measured. The ventilation amount was calculated from the wind speed measured by the window surface anemometer 44 installed on the window surface. The room 40 was 8 tatami mats, the air volume was 39.5 m 3 , the window 41 was an awning window having a size of W586 mm × H1026 mm, and the ventilation fan 42 having a rated air volume of 450 m 3 / h was used. The measurement results are shown in FIG.
図１６に示すように、窓４１と換気扇４２を併用した場合の換気量は、外部風速が約１．３ｍ／ｓ以下では換気扇４２の定格風量に近いほぼ一定の値となり、外部風速が１．３ｍ／ｓ以上では外部風速に比例して増大する。窓４１のみの場合の換気量は、外部風速が約１．３ｍ／ｓ以下ではほぼ一定の小さい値となり、外部風速が１．３ｍ／ｓ以上では外部風速に比例して増大する。
改正省エネ基準（Ｈ２５施行）で一次エネルギー算出時に通風を確保する措置として２０回／ｈ以上を閾値として設けており、気積３９．５ｍ３の部屋４０で２０回／ｈ換気を行うのに必要な換気量は７９０ｍ３／ｈとなり、窓のみの場合の換気量のグラフと換気量＝７９０ｍ３／ｈの交点より、必要な換気量となる外部風速（閾値）を４．６６ｍ／ｓと算出することができる。
上記の例は、窓が１つの場合であったが、窓が２つある場合には、必要な換気量となる外部風速（閾値）はより小さい値になる。必要な換気量は、必ずしも２０回／ｈ換気に対応したものでなくてもよい。
As shown in FIG. 16, the ventilation volume when the window 41 and the ventilation fan 42 are used together is a substantially constant value close to the rated air volume of the ventilation fan 42 when the external wind speed is about 1.3 m / s or less. At 3 m / s or more, it increases in proportion to the external wind speed. The ventilation volume in the case of only the window 41 becomes a substantially constant small value when the external wind speed is about 1.3 m / s or less, and increases in proportion to the external wind speed when the external wind speed is 1.3 m / s or more.
As a measure to ensure ventilation when calculating the primary energy according to the revised energy-saving standard (H25 enforcement), 20 times / h or more is set as a threshold, and it is necessary to ventilate 20 times / h in a room 40 with a volume of 39.5m 3 The ventilation rate is 790 m 3 / h, and the external wind speed (threshold), which is the required ventilation rate, is calculated to be 4.66 m / s from the intersection of the ventilation rate graph and ventilation rate = 790 m 3 / h for windows only. can do.
In the above example, there is one window. However, when there are two windows, the external wind speed (threshold value), which is a necessary ventilation amount, becomes a smaller value. The necessary ventilation amount does not necessarily correspond to 20 ventilation / h ventilation.
このシステムによれば、風が無風ないし弱いときでも、換気扇がＯＮすることで一定の換気量を確保することができ、窓からの通風のみで十分な換気量を確保できるときは換気扇がＯＦＦするので、電力を抑えることができ且つ室内が静かになる。 According to this system, even if the wind is no wind or weak, it is possible to ensure a certain amount of ventilation by turning on the ventilation fan. When the ventilation can be ensured only by ventilation from the window, the ventilation fan is turned off. Therefore, power can be suppressed and the room becomes quiet.
本発明は以上に述べた実施形態に限定されない。実施形態のものは、エアコン不使用モードとエアコン使用モードの両方を備えるものであるが、エアコン不使用モードとエアコン使用モードの何れか一方のみを備えるものであってもよい。また実施形態のものは、室温の快適上限温度ＴＨと快適下限温度ＴＬを設定しているが、一つの設定温度のみを設定するものであってもよい。また、実施形態には、居室毎に制御するもの、居室と非居室を合わせて制御するものを示したが、複数の居室をまとめて制御するもの、非居室のみを制御するものであってもよい。フローチャートや操作パネルの画面は、適宜変更することができる。本発明のシステムは、住宅に限らず、あらゆる建物に適用することができる。 The present invention is not limited to the embodiments described above. Although the thing of embodiment has both an air-conditioner non-use mode and an air-conditioner use mode, it may be provided with either one of an air-conditioner non-use mode and an air-conditioner use mode. Moreover, although the thing of embodiment sets the comfortable upper limit temperature TH and the comfortable lower limit temperature TL of room temperature, you may set only one preset temperature. Moreover, although what controlled for every living room, what controlled a living room and a non-living room together was shown in embodiment, what controls a plurality of living rooms collectively, even if it controls only a non-living room Good. The flowchart and the screen of the operation panel can be changed as appropriate. The system of the present invention can be applied not only to a house but also to any building.
１ 居室
２ 居室
３ 居室
４ 住宅
５ 非居室
６ａ，６ｂ，６ｃ 窓
７ａ，７ｂ，７ｃ エアコン
８ａ，８ｂ，８ｃ 室温センサー
９ａ，９ｂ，９ｃ 操作パネル
１１ 集中制御機（制御手段）
１２ 外気温センサー
３０ａ，３０ｂ，３０ｃ 換気扇
４３ 外部風速計（風センサー）
DESCRIPTION OF SYMBOLS 1 Living room 2 Living room 3 Living room 4 Housing 5 Non-living room 6a, 6b, 6c Window 7a, 7b, 7c Air conditioner 8a, 8b, 8c Room temperature sensor 9a, 9b, 9c Operation panel 11 Centralized controller (control means)
12 Outside air temperature sensor 30a, 30b, 30c Ventilation fan 43 External anemometer (wind sensor)
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