JP3656965B1 - Ventilation equipment - Google Patents
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- JP3656965B1 JP3656965B1 JP2004092257A JP2004092257A JP3656965B1 JP 3656965 B1 JP3656965 B1 JP 3656965B1 JP 2004092257 A JP2004092257 A JP 2004092257A JP 2004092257 A JP2004092257 A JP 2004092257A JP 3656965 B1 JP3656965 B1 JP 3656965B1
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- 238000009423 ventilation Methods 0.000 title claims description 42
- 239000000779 smoke Substances 0.000 claims abstract description 88
- 238000007599 discharging Methods 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 3
- 230000000391 smoking effect Effects 0.000 description 10
- 238000000926 separation method Methods 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 238000004887 air purification Methods 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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Abstract
【課題】 喫煙がなされる室内の換気を適切に行うことができ、そのため喫煙がなされる室内全体の空気環境を快適に保つことが可能な換気装置を提供する。
【解決手段】 室外１８の空気１２を室内１４に導入する空気導入用送風機１０と、室内の空気を室外に排出する空気排出用送風機１６と、室内の煙を検知する煙センサ２０、２２と、室外の空気の温度を検知する外気温度センサ２４とを設ける。そして、煙センサによる室内の煙の検知の有無と、外気温度センサにより検出した室外の空気の温度とに基づいて、空気導入用送風機および空気排出用送風機の運転を制御する。
【選択図】 図１
【Task】 SmokingThe room can be properly ventilated, soSmokingProvided is a ventilator capable of maintaining a comfortable indoor air environment.
SOLUTION: An air introduction fan 10 that introduces air 12 outside the room 18 into the room 14, an air discharge fan 16 that discharges the room air outside, smoke sensors 20 and 22 that detect indoor smoke, An outside air temperature sensor 24 for detecting the temperature of the outdoor air is provided. The operation of the air introduction blower and the air discharge blower is controlled based on whether or not the smoke is detected by the smoke sensor and the temperature of the outdoor air detected by the outside air temperature sensor.
[Selection] Figure 1
Description
本発明は、室内の空気環境を快適に保つための換気装置に関し、さらに詳しくは、喫煙席および禁煙席を設けた飲食店の店内等の換気を適切に行うことができる換気装置に関する。 The present invention relates to a ventilator for keeping the indoor air environment comfortable, and more particularly to a ventilator capable of appropriately ventilating a restaurant or the like having a smoking seat and a non-smoking seat.
従来、室内に分煙空間を作るための技術が種々提案されている（例えば、特許文献１、２参照）。特許文献１の技術は、少なくとも１つの吸込み口と少なくとも１つの吹出し口と前記吸込み口と前記吹出し口の間に空気清浄手段と送風手段を設けた空気清浄装置を天井に設置し、前記吹出し口から吹出した清浄空気を任意の分煙空間を囲むエアーカーテンを形成するように偏向する遮蔽板を前記空気清浄装置の周囲の前記天井に前記分煙空間以上の面積を囲むように垂設した空気清浄システムである。特許文献２の技術は、吹出流により旋回流を形成する旋回流形成手段を天井部に設け、前記旋回流形成手段の中央部に天井部下面方向に吸込口を設けた分煙システムである。 Conventionally, various techniques for creating a smoke separation space in a room have been proposed (see, for example, Patent Documents 1 and 2). The technology of Patent Document 1 is such that at least one suction port, at least one blowout port, an air cleaning device provided with air cleaning means and blower means between the suction port and the blowout port are installed on the ceiling, and the blowout port An air purifying system in which a shielding plate for deflecting clean air blown out from the air so as to form an air curtain surrounding an arbitrary smoke separation space is suspended from the ceiling around the air purification device so as to surround an area larger than the smoke separation space. It is. The technique of Patent Document 2 is a smoke distribution system in which a swirl flow forming means for forming a swirl flow by a blow-off flow is provided in a ceiling portion, and a suction port is provided in the center portion of the swirl flow forming means in the direction of the ceiling portion lower surface.
しかし、前記特許文献１、２の技術は、いずれも単に室内に分煙空間を作ることを目的とするもので、喫煙がなされる室内の換気を適切に行って室内全体の空気環境を快適に保つことができるものではなかった。 However, the techniques of Patent Documents 1 and 2 are all intended to simply create a smoke separation space in the room, and the indoor air environment in which smoking is performed is appropriately performed to keep the air environment of the entire room comfortable. It wasn't something that could be done.
本発明は、前述した事情に鑑みてなされたもので、喫煙がなされる室内の換気を適切に行うことができ、そのため上記室内全体の空気環境を快適に保つことが可能な換気装置を提供することを目的とする。 The present invention has been made in view of the above-described circumstances, and provides a ventilator that can appropriately ventilate a room where smoking is performed, and thus can keep the air environment of the entire room comfortable. For the purpose.
本発明者は、前述した課題を解決すべく種々研究を重ねた結果、室内における煙の有無と、室外空気の温度とに基づいて、室外空気の室内への導入および室内空気の室外への排出を制御することにより、喫煙がなされる室内の換気を適切に行うことができることを見出した。 As a result of various studies to solve the above-described problems, the present inventor has introduced outdoor air into the room and discharged indoor air to the outside based on the presence or absence of smoke in the room and the temperature of the outdoor air. It has been found that the indoor ventilation where smoking is performed can be appropriately performed by controlling.
本発明は、上述した知見に基づいてなされたもので、室外の空気を室内に導入する空気導入用送風機と、室内の空気を室外に排出する空気排出用送風機と、室内の煙を検知する煙センサと、室外の空気の温度を検知する外気温度センサとを具備し、前記煙センサによる室内の煙の検知の有無および前記外気温度センサにより検出した室外の空気の温度に基づいて、前記空気導入用送風機および空気排出用送風機の運転を制御する換気装置であって、下記（１）〜（４）の運転条件で室内の換気を行うことを特徴とする換気装置を提供する。 The present invention has been made on the basis of the above-described knowledge. An air introduction fan for introducing outdoor air into the room, an air discharge fan for discharging indoor air to the outside, and smoke for detecting indoor smoke. A sensor and an outdoor air temperature sensor for detecting the temperature of outdoor air, and the introduction of air based on the presence or absence of indoor smoke detected by the smoke sensor and the temperature of outdoor air detected by the outdoor air temperature sensor Provided is a ventilator for controlling the operation of a blower for air and a blower for discharging air, and ventilates the room under the following operating conditions (1) to (4) .
（１）外気温度センサにより検出した室外の空気の温度が寒冷期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ弱速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ寒冷期用換気時間だけ強速で運転した後、弱速で所定時間運転する。
（２）外気温度センサにより検出した室外の空気の温度が冷温期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ弱速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ冷温期用換気時間だけ強速で運転した後、弱速で所定時間運転する。
（３）外気温度センサにより検出した室外の空気の温度が温暖期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ中速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ温暖期用換気時間だけ強速で運転した後、中速で所定時間運転する。
（４）外気温度センサにより検出した室外の空気の温度が熱暑期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ弱速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ熱暑期用換気時間だけ強速で運転した後、弱速で所定時間運転する。
( 1) When the temperature of the outdoor air detected by the outdoor temperature sensor is a temperature corresponding to the cold season, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set at a low speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are each driven at a high speed for the cold season ventilation time and then at a low speed for a predetermined time.
(2) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a temperature corresponding to the cold season, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set at a low speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are each driven at a high speed for the cold season ventilation time and then at a low speed for a predetermined time.
(3) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a warm season equivalent temperature, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set to the medium speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are each driven at a high speed for the warming period ventilation time and then at a medium speed for a predetermined time.
(4) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a temperature equivalent to the hot summer season, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set at a low speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are driven at a high speed for the hot and hot season ventilation time and then at a low speed for a predetermined time.
本発明において、寒冷期相当温度とは日本の冬の温度に相当する温度を言い、通常は３℃以下〜７℃以下の温度、特に５℃以下の温度とすることが適当である。冷温期相当温度とは日本の冬から春、秋から冬にかけての温度に相当する温度を言い、通常は３〜７℃を超え１６〜２０℃以下の温度、特に５℃を超え１８℃以下の温度とすることが適当である。温暖期相当温度とは日本の春、秋の温度に相当する温度を言い、通常は１６〜２０℃を超え２２〜２６℃以下の温度、特に１８℃を超え２４℃以下の温度とすることが適当である。熱暑期相当温度とは日本の夏の温度に相当する温度を言い、通常は２２℃を超える温度〜２６℃を超える温度、特に２４℃を超える温度とすることが適当である。 In the present invention, the temperature corresponding to the cold season means a temperature corresponding to a winter temperature in Japan, and it is usually appropriate to set the temperature to 3 ° C. or lower to 7 ° C. or lower, particularly 5 ° C. or lower. The temperature corresponding to the cold season is the temperature corresponding to the temperature from winter to spring in Japan and from autumn to winter. Usually, the temperature is higher than 3-7 ° C and lower than 16-20 ° C, especially higher than 5 ° C and lower than 18 ° C. The temperature is appropriate. The temperature corresponding to the warm season means the temperature corresponding to the temperature of spring and autumn in Japan, and it is usually over 16 to 20 ° C. and 22 to 26 ° C., particularly over 18 to 24 ° C. Is appropriate. The hot summer season equivalent temperature means a temperature corresponding to the summer temperature in Japan, and it is usually appropriate to set the temperature above 22 ° C. to above 26 ° C., particularly above 24 ° C.
本発明において、寒冷期用換気時間とは寒冷期に両送風機を強速で運転したときに室内の温度が下がりすぎない時間を言い、通常は０．５〜２分、特に１分程度とすることが適当である。冷温期用換気時間とは冷温期に両送風機を強速で運転したときに室内の温度が下がりすぎない時間を言い、通常は２〜４分、特に３分程度とすることが適当である。温暖期用換気時間とは温暖期に両送風機を強速で運転したときに室内の温度が快適になる時間を言い、通常は７〜１１分、特に９分程度とすることが適当である。熱暑期用換気時間とは熱暑期に両送風機を強速で運転したときに室内の温度が上がりすぎない時間を言い、通常は２〜４分、特に３分程度とすることが適当である。 In the present invention, the cold season ventilation time refers to a time during which the temperature of the room does not drop too much when both fans are operated at high speed in the cold season, usually 0.5 to 2 minutes, particularly about 1 minute. Is appropriate. The cold season ventilation time refers to a time during which the temperature of the room does not drop too much when both fans are operated at high speed in the cold season, and it is usually 2 to 4 minutes, particularly about 3 minutes. The warming period ventilation time is a period of time when the indoor temperature becomes comfortable when both fans are driven at high speed in the warm period, and it is usually 7 to 11 minutes, particularly about 9 minutes. The hot and hot season ventilation time refers to a time during which the temperature of the room does not rise too much when both fans are operated at high speed in the hot and hot season, and it is usually appropriate to be 2 to 4 minutes, particularly about 3 minutes.
また、煙センサが室内の煙を検知しているときに、空気導入用送風機および空気排出用送風機をそれぞれ強速で運転した後に弱速または中速で運転する前記所定時間は、通常は２〜４分、特に３分程度とすることが適当である。 In addition, when the smoke sensor detects indoor smoke, the predetermined time for operating at a low speed or a medium speed after each of the air introduction fan and the air discharge fan is operated at a high speed is usually 2 to 2. It is appropriate to set it to 4 minutes, especially about 3 minutes.
本発明において、空気導入用送風機および空気排出用送風機の弱速運転、中速運転および強速運転の条件は適宜設定することができ、例えば飲食店では、弱速運転時の換気風量を（客席数×３５）ｍ３／ｈ〜（客席数×４５）ｍ３／ｈ、好ましくは（客席数×４０）ｍ３／ｈ、中速運転時の換気風量を（客席数×５０）ｍ３／ｈ〜（客席数×６０）ｍ３／ｈ、好ましくは（客席数×５５）ｍ３／ｈ、強速運転時の換気風量を（客席数×６７）ｍ３／ｈ〜（客席数×７７）ｍ３／ｈ、好ましくは（客席数×７２）ｍ３／ｈに設定することができる。 In the present invention, the conditions of the low speed operation, medium speed operation and high speed operation of the air introduction fan and the air discharge fan can be set as appropriate. Number × 35) m 3 / h to (number of seats × 45) m 3 / h, preferably (number of seats × 40) m 3 / h, the ventilation air volume during medium speed operation is (number of seats × 50) m 3 / h h to (the number of seats × 60) m 3 / h, preferably (the number of seats × 55) m 3 / h, and the ventilation air volume during high speed operation (the number of seats × 67) m 3 / h to (the number of seats × 77 ) M 3 / h, preferably (number of seats × 72) m 3 / h.
本発明の換気装置によれば、煙センサによる室内の煙の検知の有無および外気温度センサにより検出した室外の空気の温度に基づいて、空気導入用送風機および空気排出用送風機の運転を制御することにより、喫煙がなされる室内の換気を適切に行うことができ、そのため喫煙がなされる室内全体の空気環境を快適に保つことができる。 According to the ventilator of the present invention, the operation of the air introduction blower and the air discharge blower is controlled based on the presence or absence of indoor smoke detected by the smoke sensor and the temperature of the outdoor air detected by the outside air temperature sensor. Thus, it is possible to appropriately ventilate the room where smoking is performed, and therefore it is possible to keep the air environment of the entire room where smoking is performed comfortable.
図１は本発明の換気装置を設置した飲食店の一例を示す概略図である。図中１０は室外の空気１２を室内１４に導入する空気導入用送風機、１５は外気吹出口、１６は室内１４の空気を室外１８に排出する空気排出用送風機、１９は排気口、２０、２２はそれぞれ室内の煙を検知する煙センサ、２４は室外の空気の温度を検知する外気温度センサ、２６は室内１４の温度を検知する室温センサ、２８は制御部を示す。制御部２８は、空気導入用送風機１０、空気排出用送風機１６、煙センサ２０、２２、外気温度センサ２４、室温センサ２６と接続されている。また、制御部２８には制御盤３０が設けられており、この制御盤３０にはタイマー運転スイッチ３２および強制換気スイッチ３４が設置されている。さらに、図中３６は室内に設けられた喫煙席、３８は禁煙席を示す。 FIG. 1 is a schematic view showing an example of a restaurant where the ventilation device of the present invention is installed. In the figure, 10 is an air introduction fan for introducing outdoor air 12 into the room 14, 15 is an outside air outlet, 16 is an air discharge fan for discharging the air in the room 14 to the outdoor 18, 19 is an exhaust port, 20, 22 Are smoke sensors for detecting indoor smoke, 24 is an outside air temperature sensor for detecting the temperature of outdoor air, 26 is a room temperature sensor for detecting the temperature of the room 14, and 28 is a control unit. The control unit 28 is connected to the air introduction fan 10, the air discharge fan 16, the smoke sensors 20 and 22, the outside air temperature sensor 24, and the room temperature sensor 26. The control unit 28 is provided with a control panel 30, and a timer operation switch 32 and a forced ventilation switch 34 are installed in the control panel 30. Further, in the figure, 36 indicates a smoking seat provided in the room, and 38 indicates a non-smoking seat.
本例の換気装置は、下記（１）〜（４）のように運転される。この場合、下記運転（１）〜（４）は、タイマー運転スイッチ３２を押すことにより制御部２８の制御で自動的に行われる。また、本例では、煙センサ２０、２２は、非検知状態（ＯＦＦ状態）から煙を検知して検知状態（ＯＮ状態）になると、そのＯＮ状態が１０分間継続した後、ＯＦＦ状態となるように設定されている。図２に運転時のタイムチャートを示す。 The ventilator of this example is operated as the following (1) to (4). In this case, the following operations (1) to (4) are automatically performed under the control of the control unit 28 by pressing the timer operation switch 32. Further, in this example, when the smoke sensors 20 and 22 detect smoke from the non-detection state (OFF state) and enter the detection state (ON state), the ON state continues for 10 minutes and then enters the OFF state. Is set to FIG. 2 shows a time chart during operation.
本例では、空気導入用送風機１０および空気排出用送風機１６の弱速運転時の換気風量を（客席数×４０）ｍ３／ｈ、中速運転時の換気風量を（客席数×５５）ｍ３／ｈ、強速運転時の換気風量を（客席数×７２）ｍ３／ｈとした。この場合、上記弱速運転、中速運転および強速運転の切換はインバータ（図示せず）の制御によって行った。 In this example, the ventilation air volume at the low speed operation of the air introduction fan 10 and the air discharge fan 16 is (number of passenger seats × 40) m 3 / h, and the ventilation air volume at the medium speed operation is (number of passenger seats × 55) m. 3 / h, the ventilation air volume at high speed operation was (number of seats × 72) m 3 / h. In this case, switching between the low speed operation, the medium speed operation, and the high speed operation was performed by control of an inverter (not shown).
（１）寒冷期：外気温度センサ２４により検出した室外空気１２の温度が５℃以下の場合、煙センサ２０、２２のいずれもが室内１４の煙を検知していないとき（ＯＦＦ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ弱速で運転する。煙センサ２０、２２のいずれかが室内１４の煙を検知しているとき（ＯＮ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ１分間強速で運転した後、３分間弱速で運転する（１分モード）。 (1) Cold season: When the temperature of the outdoor air 12 detected by the outdoor temperature sensor 24 is 5 ° C. or less, when neither of the smoke sensors 20 and 22 detects the smoke in the room 14 (OFF state) The air introduction fan 10 and the air discharge fan 16 are each operated at a low speed. When any of the smoke sensors 20, 22 detects smoke in the room 14 (ON state), the air introduction blower 10 and the air discharge blower 16 are respectively operated at high speed for 1 minute, and then for 3 minutes. Drive at low speed (1 minute mode).
（２）冷温期：外気温度センサ２４により検出した室外空気１２の温度が５℃を超え１８℃以下の場合、煙センサ２０、２２のいずれもが室内１４の煙を検知していないとき（ＯＦＦ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ弱速で運転する。煙センサ２０、２２のいずれかが室内１４の煙を検知しているとき（ＯＮ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ３分間強速で運転した後、３分間弱速で運転する（３分モード）。 (2) Cold season: When the temperature of the outdoor air 12 detected by the outside air temperature sensor 24 exceeds 5 ° C. and is 18 ° C. or less, neither of the smoke sensors 20 and 22 detects the smoke in the room 14 (OFF In the state), the air introduction fan 10 and the air discharge fan 16 are each operated at a low speed. When any of the smoke sensors 20, 22 detects smoke in the room 14 (ON state), the air introduction blower 10 and the air discharge blower 16 are each operated at high speed for 3 minutes, and then for 3 minutes. Drive at low speed (3-minute mode).
（３）温暖期：外気温度センサ２４により検出した室外空気１２の温度が１８℃を超え２４℃以下の場合、煙センサ２０、２２のいずれもが室内１４の煙を検知していないとき（ＯＦＦ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ中速で運転する。煙センサ２０、２２のいずれかが室内１４の煙を検知しているとき（ＯＮ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ９分間強速で運転した後、３分間中速で運転する（９分モード）。 (3) Warm season: When the temperature of the outdoor air 12 detected by the outdoor air temperature sensor 24 exceeds 18 ° C. and is equal to or lower than 24 ° C., neither of the smoke sensors 20 and 22 detects the smoke in the indoor 14 (OFF In the state), the air introduction fan 10 and the air discharge fan 16 are each operated at a medium speed. When any of the smoke sensors 20, 22 detects smoke in the room 14 (ON state), the air introduction blower 10 and the air discharge blower 16 are respectively operated at high speed for 9 minutes, and then for 3 minutes. Drive at medium speed (9-minute mode).
（４）熱暑期：外気温度センサ２４により検出した室外空気１２の温度が２４℃を超える場合、煙センサ２０、２２のいずれもが室内１４の煙を検知していないとき（ＯＦＦ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ弱速で運転する。煙センサ２０、２２のいずれかが室内１４の煙を検知しているとき（ＯＮ状態）には、空気導入用送風機１０および空気排出用送風機１６をそれぞれ３分間強速で運転した後、３分間弱速で運転する（３分モード）。 (4) Hot and hot season: When the temperature of the outdoor air 12 detected by the outdoor temperature sensor 24 exceeds 24 ° C., when neither of the smoke sensors 20 and 22 detects the smoke in the room 14 (OFF state) The air introduction fan 10 and the air discharge fan 16 are each operated at a low speed. When any of the smoke sensors 20, 22 detects smoke in the room 14 (ON state), the air introduction blower 10 and the air discharge blower 16 are each operated at high speed for 3 minutes, and then for 3 minutes. Drive at low speed (3-minute mode).
本例の換気装置は、１フロアに２箇所設置された煙センサにより室内の空気環境を監視し、煙草の煙がこもるなどして室内の空気環境が悪化した場合には、空気導入用送風機および空気排出用送風機を強速で運転することにより換気量を増やし、室内の空気環境を改善する。このように、換気量を室内の空気環境に応じて変化させるため、常に適量の換気がなされ、その結果、外気導入による室内温度の変化（冷房時であれば温度上昇、暖房時であれば温度低下）が最小限に抑えられ、空調機への負荷も少なくなる。 The ventilator of this example monitors the indoor air environment with smoke sensors installed at two locations on one floor, and when the indoor air environment deteriorates due to the accumulation of cigarette smoke, The ventilation rate is increased by operating the blower for exhausting air at high speed, and the indoor air environment is improved. In this way, in order to change the ventilation amount according to the indoor air environment, an appropriate amount of ventilation is always made. As a result, the change in the indoor temperature due to the introduction of outside air (temperature increase during cooling, temperature during heating) Decrease) and the load on the air conditioner is reduced.
また、春、秋の温暖期には、外気温度はおおむね１８℃〜２４℃程度であるが、本例の換気装置は、このような季節に空気導入用送風機および空気排出用送風機をそれぞれ中速で運転し、外気を多量に室内に取り入れることにより、すがすがしい室内環境を実現することができる。 Also, during the warm seasons of spring and autumn, the outside air temperature is about 18 ° C. to 24 ° C., but the ventilator of this example uses a medium-speed air blower for air introduction and a blower for air discharge in such a season. It is possible to realize a refreshing indoor environment by driving in and taking a large amount of outside air into the room.
本例の換気装置は、前述した（１）〜（４）のように運転する他、下記（ａ）〜（ｄ）のように運転することも可能である。
（ａ）暖房を入れている時期には、必要以上に室内温度が上昇することがあり（特に複層階店舗の上階）、その温度が上昇した室内にいる人が不快な思いすることがある。このように上階と下階で温度差が生じており、上階だけが暑くなっているという場合には、室温センサ２６により検出した室内温度が所定の温度以上になったときに、空気導入用送風機１０および空気排出用送風機１６をそれぞれ強速で所定時間運転し、冷たい外気を室内に取り入れることにより、室内を適温にすることができる。
The ventilator of this example can be operated as in the following (a) to (d) in addition to the operation as in (1) to (4) described above.
(A) When heating is turned on, the room temperature may rise more than necessary (especially the upper floor of a multi-storey store), and people in the room where the temperature has risen may feel uncomfortable. is there. In this way, when there is a temperature difference between the upper floor and the lower floor, and only the upper floor is hot, when the room temperature detected by the room temperature sensor 26 exceeds a predetermined temperature, air is introduced. By operating the air blower 10 and the air discharge fan 16 at a high speed for a predetermined time, and taking cold outside air into the room, the room can be brought to an appropriate temperature.
（ｂ）換気用の空気がビル側から供給され、供給外気が熱処理されている場合や、ビル内部から外気を取り入れる場合には、外気温度は予め決まっているため、外気温度センサを使用することなく、上述した予め決まっている外気温度と煙センサの検知結果とに基づいて、空気導入用送風機および空気排出用送風機の運転を制御することができる。なお、換気用の空気がビル側から供給され、供給外気が熱処理されていない場合は、前記（１）〜（４）と同様にして空気導入用送風機および空気排出用送風機の運転を制御することができる。 (B) When the ventilation air is supplied from the building side and the supplied outside air is heat treated, or when the outside air is taken in from the inside of the building, the outside air temperature is determined in advance, so use the outside air temperature sensor. In addition, the operation of the air introduction fan and the air discharge fan can be controlled based on the above-described predetermined outside air temperature and the detection result of the smoke sensor. When ventilation air is supplied from the building side and the supplied outside air is not heat-treated, the operation of the air introduction blower and the air discharge blower is controlled in the same manner as in the above (1) to (4). Can do.
（ｃ）前記例では、１フロアに煙センサを２台設置したが、１台（例えば煙センサ２２のみ）としてもよい。煙センサを１台とした場合における運転時のタイムチャートを図３に示す。 (C) In the above example, two smoke sensors are installed on one floor, but one smoke sensor (for example, only the smoke sensor 22) may be used. FIG. 3 shows a time chart during operation when there is one smoke sensor.
（ｄ）煙センサが煙を検知しないが室内が煙たいと感じられる場合は、制御盤３０の強制換気スイッチ３４を押すことにより、空気導入用送風機および空気排出用送風機をそれぞれ所定時間強速で運転して換気を行うことができる。この場合、空気導入用送風機および空気排出用送風機を強速で運転する時間は、外気温度センサにより検出した室外空気の温度に応じて、前記（１）〜（４）と同様に設定することができる。 (D) When the smoke sensor does not detect smoke but the room feels like smoke, the forced ventilation switch 34 of the control panel 30 is pressed to operate the air introduction blower and the air discharge blower at a high speed for a predetermined time. Can be ventilated. In this case, the time for operating the air introduction blower and the air discharge blower at high speed can be set in the same manner as in the above (1) to (4) according to the temperature of the outdoor air detected by the outside air temperature sensor. it can.
１０ 空気導入用送風機
１２ 室外空気
１４ 室内
１５ 外気吹出口
１６ 空気排出用送風機
１８ 室外
１９ 排気口
２０ 煙センサ
２２ 煙センサ
２４ 外気温度センサ
２６ 室温センサ
２８ 制御部
３０ 制御盤
３２ タイマー運転スイッチ
３４ 強制換気スイッチ
３６ 喫煙席
３８ 禁煙席
DESCRIPTION OF SYMBOLS 10 Air introduction fan 12 Outdoor air 14 Indoor 15 Outdoor air outlet 16 Air discharge fan 18 Outdoor 19 Exhaust outlet 20 Smoke sensor 22 Smoke sensor 24 Outside temperature sensor 26 Room temperature sensor 28 Control part 30 Control panel 32 Timer operation switch 34 Forced ventilation Switch 36 Smoking seat 38 Non-smoking seat
Claims (5)
（１）外気温度センサにより検出した室外の空気の温度が寒冷期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ弱速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ寒冷期用換気時間だけ強速で運転した後、弱速で所定時間運転する。
（２）外気温度センサにより検出した室外の空気の温度が冷温期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ弱速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ冷温期用換気時間だけ強速で運転した後、弱速で所定時間運転する。
（３）外気温度センサにより検出した室外の空気の温度が温暖期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ中速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ温暖期用換気時間だけ強速で運転した後、中速で所定時間運転する。
（４）外気温度センサにより検出した室外の空気の温度が熱暑期相当温度である場合において、煙センサが室内の煙を検知していないときには、空気導入用送風機および空気排出用送風機をそれぞれ弱速で運転し、煙センサが室内の煙を検知しているときには、空気導入用送風機および空気排出用送風機をそれぞれ熱暑期用換気時間だけ強速で運転した後、弱速で所定時間運転する。 An air introduction fan for introducing outdoor air into the room, an air discharge fan for discharging indoor air to the outside, a smoke sensor for detecting indoor smoke, and an outside air temperature sensor for detecting the temperature of outdoor air; comprises a following (1) to (4) ventilation system you and performing ventilation of the room in operating conditions.
(1) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a temperature corresponding to the cold season, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set at a low speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are each driven at a high speed for the cold season ventilation time and then at a low speed for a predetermined time.
(2) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a temperature corresponding to the cold season, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set at a low speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are each driven at a high speed for the cold season ventilation time and then at a low speed for a predetermined time.
(3) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a warm season equivalent temperature, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set to the medium speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are each driven at a high speed for the warming period ventilation time and then at a medium speed for a predetermined time.
(4) When the temperature of the outdoor air detected by the outdoor air temperature sensor is a temperature equivalent to the hot summer season, when the smoke sensor does not detect indoor smoke, the air introduction blower and the air discharge blower are respectively set at a low speed. When the smoke sensor detects indoor smoke, the air introduction blower and the air discharge blower are driven at a high speed for the hot and hot season ventilation time and then at a low speed for a predetermined time.
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