JP2007248016A - Heat exchange type air-conditioning ventilator - Google Patents

Heat exchange type air-conditioning ventilator Download PDF

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JP2007248016A
JP2007248016A JP2006075512A JP2006075512A JP2007248016A JP 2007248016 A JP2007248016 A JP 2007248016A JP 2006075512 A JP2006075512 A JP 2006075512A JP 2006075512 A JP2006075512 A JP 2006075512A JP 2007248016 A JP2007248016 A JP 2007248016A
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ventilation path
air
exhaust
heat exchange
outdoor
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JP2007248016A5 (en
JP4724023B2 (en
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Hiroki Aoki
裕樹 青木
Satoshi Hattori
智 服部
Shunei Sugihara
俊英 杉原
Kazuya Okayama
一也 岡山
Yuji Mizuno
裕司 水野
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Mitsubishi Electric Corp
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Mitsubishi Electric Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a heat exchange type air-conditioning ventilator capable of carrying out discharge by increasing an exhaust amount when indoor air is foul, and capable of improving an effective ventilation amount. <P>SOLUTION: The heat exchange type air-conditioning ventilator 100 has a first air supply ventilation passage 2, a first exhaust ventilation passage 8, a first blow fan 3, a second blow fan 9, a heat exchanger 5, a second air supply ventilation passage 6, and a second exhaust ventilation passage 11. A ventilation passage opening and closing means 15 is provided in a division wall partitioning the first exhaust ventilation passage 8 and the second exhaust ventilation passage 11. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

この発明は、換気時に室内の空気と室外の空気との間で熱交換を行う熱交換型空調換気装置に関するものである。   The present invention relates to a heat exchange type air-conditioning ventilator that exchanges heat between indoor air and outdoor air during ventilation.

図３は従来の熱交換型空調換気装置の同時給排気運転をする様子を示す模式的な断面図である。また、図４は従来の熱交換型空調換気装置の排気専用運転をする様子を示す模式的な断面図である。従来の熱交換型空調換気装置２００は、第一の給気通風路２内に設けられた送風ファン３がモータ１Ａによって回転することで、室外吸込口４から空気を吸込み、この吸込んだ空気は熱交換器５を通って、第二の給気通風路６に入り、室内吹出口７から吹出すとともに、第一の排気通風路８内に設けられた送風ファン９がモータ１Ｂによって回転することで、室内吸込口１０から空気を吸込み、この吸込んだ空気は熱交換器５を通って、第二の排気通風路１１に入り、室外吹出口１２から吹出すことで室内外の空気の換気を行う。この時、熱交換器５内で室内から排気する空気と室外から給気する空気との間の熱交換が行われる。   FIG. 3 is a schematic cross-sectional view showing a state in which a conventional heat exchange type air-conditioning ventilator performs a simultaneous air supply / exhaust operation. FIG. 4 is a schematic cross-sectional view showing a state in which a conventional heat exchange type air-conditioning ventilator performs an exhaust-only operation. The conventional heat exchange type air-conditioning ventilator 200 sucks air from the outdoor suction port 4 when the blower fan 3 provided in the first air supply ventilation path 2 is rotated by the motor 1A, and the sucked air is It passes through the heat exchanger 5 and enters the second air supply passage 6 and blows out from the indoor outlet 7, and the blower fan 9 provided in the first exhaust air passage 8 is rotated by the motor 1B. Then, air is sucked from the indoor suction port 10, and the sucked air passes through the heat exchanger 5, enters the second exhaust ventilation path 11, and blows out from the outdoor air outlet 12 to ventilate the air outside and inside the room. Do. At this time, heat exchange is performed between the air exhausted from the room and the air supplied from the outside in the heat exchanger 5.

この熱交換型空調換気装置２００は、筐体の内壁面に設けられた図示しないガイドに案内されて室外吸込口４と室外吹出口１２との境界から室外吸込口４と第一の給気通風路２との境界まで左右方向にスライド自在な第一のダンパ３３と、第一の給気通風路２と平行な位置から垂直な位置まで回転自在な第二のダンパ３４と、第一の排気通風路８と平行な位置から第一の給気通風路２を閉鎖可能な位置まで回転自在な第三のダンパ３５と、第一の給気通風路２内に設けられ通風口を閉鎖する位置から開放可能な位置まで回転自在な第四のダンパ３６とを有している。   This heat exchange type air-conditioning ventilator 200 is guided by a guide (not shown) provided on the inner wall surface of the casing and is guided from the boundary between the outdoor suction port 4 and the outdoor air outlet 12 to the outdoor suction port 4 and the first air supply ventilation. A first damper 33 slidable in the left-right direction to the boundary with the path 2, a second damper 34 rotatable from a position parallel to the first air supply path 2 to a vertical position, and a first exhaust. A third damper 35 that is rotatable from a position parallel to the ventilation path 8 to a position where the first supply ventilation path 2 can be closed, and a position that is provided in the first supply ventilation path 2 and closes the ventilation opening. And a fourth damper 36 that is rotatable to a position where it can be opened.

このような構成の熱交換型空調換気装置２００において、使用者が給排気運転から排気専用運転に切換えると、第一のダンパ３３は、図に向かって右方向に室外吸込口４と第一の給気通風路２とが隔離されるまでスライドして、第三のダンパ３５は時計周りに約１／４回転して、第二のダンパ３４は反時計周りに約１／４回転して、第四のダンパ３６は反時計周りに約１／４回転して停止する。   In the heat exchange type air-conditioning ventilator 200 having such a configuration, when the user switches from the air supply / exhaust operation to the exhaust exclusive operation, the first damper 33 is connected to the outdoor suction port 4 and the first air outlet in the right direction as viewed in the figure. By sliding until the air supply passage 2 is isolated, the third damper 35 rotates about 1/4 of the clockwise direction, and the second damper 34 rotates about 1/4 of the counterclockwise direction. The fourth damper 36 stops after rotating about ¼ counterclockwise.

これにより、図４の排気専用運転では第一の給気通風路２から熱交換器５への空気の流入を第三のダンパ３５で閉鎖するとともに、第一の排気通風路８は熱交換器５の手前で第一の給気通風路２を介して第二の排気通風路１１へと通じるようにされる。また、第一のダンパ３３により、第一の給気用通風路２の室外空気吸込口４と第二の排気通風路１１の室外空気吹出口１２との境界がなくなるとともに、第一の給気用通風路２と室外空気吸込口４との間が塞がれる。図４中矢印は空気の流れを示しており、室内吸込口１０から第一の排気通風路８を通って第一の給気通風路２を経由して第二の排気通風路１１に抜け室外吸込口４または室外吹出口１２から室外へ排気されるルートと、第四のダンパ３６から第二の給気通風路２を通って第二の排気通風路１１に抜け室外吸込口４または室外吹出口１２から室外へ排気されるルートとにより、室内空気が排気される。   Thus, in the exhaust-only operation of FIG. 4, the inflow of air from the first air supply passage 2 to the heat exchanger 5 is closed by the third damper 35, and the first exhaust air passage 8 is used as the heat exchanger. 5 is connected to the second exhaust ventilation path 11 via the first air supply ventilation path 2. Further, the first damper 33 eliminates the boundary between the outdoor air inlet 4 of the first air supply ventilation path 2 and the outdoor air outlet 12 of the second exhaust ventilation path 11, and the first air supply The space between the ventilation path 2 and the outdoor air inlet 4 is blocked. The arrows in FIG. 4 indicate the flow of air, which passes from the indoor suction port 10 through the first exhaust ventilation path 8 to the second exhaust ventilation path 11 via the first air supply ventilation path 2. A route exhausted from the inlet 4 or the outdoor air outlet 12 to the outside, and the fourth damper 36 through the second air supply passage 2 to the second exhaust air passage 11 to the outdoor air inlet 4 or the outdoor air outlet. The room air is exhausted by the route exhausted from the outlet 12 to the outside.

このような構成の従来の熱交換型空調換気装置２００においては、通常は、熱交換器５を通して室内の冷暖房エネルギーロスの少ない熱交換換気を常時少風量で換気し、室内空気が汚れた場合は、排気量を増やして短時間で室内汚染空気を排出する（例えば、特許文献１参照）。   In the conventional heat exchange type air-conditioning ventilator 200 having such a configuration, normally, heat exchange ventilation with little air-conditioning energy loss in the room is constantly ventilated with a small amount of air through the heat exchanger 5, and the room air is contaminated. The exhausted air is increased and the indoor polluted air is discharged in a short time (see, for example, Patent Document 1).

特開２００２−２７７０１１号公報JP 2002-277011 A

近年、各部屋に換気扇を設けて常時換気を行う「２４時間換気」が行われるようになってきた。この「２４時間換気」においては深夜にも運転がされるので装置の低騒音化が望まれるところである。この低騒音化を実現するには、有効換気量を上げて駆動力に対する換気率を大きくすることが有効である。   In recent years, “24-hour ventilation” has been performed in which ventilation fans are provided in each room for continuous ventilation. In this “24-hour ventilation”, since the operation is performed at midnight, it is desired to reduce the noise of the apparatus. In order to realize this noise reduction, it is effective to increase the effective ventilation amount and increase the ventilation rate with respect to the driving force.

一方、空調装置においてダンパ等の開閉構造を設けた部分には若干の空気の漏れが生じる。図３および図４に示されるような熱交換型空調換気装置２００においても同様である。熱交換型空調換気装置２００は、排気専用運転時に、第一の給気通風路２を介して第一の排気通風路８と第二の排気通風路とを接続する構造であるので、第一の排気通風路８と第一の給気通風路２を仕切る隔壁にダンパ３５（開閉構造）が設けられている。このダンパから空気が漏れる。そのため、同時給排気運転を行う場合に、第一の排気通風路８から第一の給気通風路１１に空気が漏れ、室外から吸い込んだ新鮮な空気に室内からの汚れた空気が混じり、これにより有効換気量が落ちるので課題であった。   On the other hand, a slight air leak occurs in a portion provided with an opening / closing structure such as a damper in the air conditioner. The same applies to the heat exchange type air conditioning ventilator 200 as shown in FIGS. 3 and 4. The heat exchange type air-conditioning ventilator 200 has a structure in which the first exhaust ventilation path 8 and the second exhaust ventilation path are connected via the first air supply ventilation path 2 during the exhaust only operation. A damper 35 (opening / closing structure) is provided in a partition wall that divides the exhaust ventilation path 8 and the first supply ventilation path 2. Air leaks from this damper. Therefore, when performing simultaneous air supply / exhaust operation, air leaks from the first exhaust air passage 8 to the first air supply air passage 11, and dirty air from the room is mixed with fresh air sucked from the outside. It was a problem because the effective ventilation volume decreased.

この発明は上述のような課題を解決するためになされたもので、通常は熱交換器を通して冷暖房エネルギーロスの少ない熱交換換気を行うとともに、室内空気が汚れた場合は排気量を増やして室内汚染空気を排出でき、さらに、有効換気量を向上させることができる熱交換型空調換気装置を得ることを目的とする。   The present invention has been made to solve the above-described problems. Usually, heat exchange ventilation is performed through a heat exchanger with less energy loss for heating and cooling, and if the indoor air becomes dirty, the amount of exhaust is increased to increase the amount of indoor pollution. An object of the present invention is to obtain a heat exchange type air-conditioning ventilator capable of discharging air and further improving the effective ventilation.

上述の課題を解決するために、この発明に係る熱交換型空調換気装置は、室外と室外吸込口を通してつながる第一の給気通風路と、室内と室内吸込口を通してつながる第一の排気通風路と、第一の給気通風路に空気を給気する第一の送風ファンと、第一の排気通風路の空気を排気する第二の送風ファンと、内部に相交差する第一の通風路と第二の通風路とを有し、第一の給気通風路が第一の通風路の一方の口に第一の排気通風路が第二の通風路の一方の口に接続された熱交換器と、第一の通風路の他方の口に接続され、室内と室内吹出口を通してつながる第二の給気通風路と、第二の通風路の他方の口に接続され、室外と室外吹出口を通してつながる第二の排気通風路とを有する熱交換型空調換気装置において、第一の排気通風路と第二の排気通風路とを仕切る隔壁に設けられた通風路開閉手段を有することを特徴とする。   In order to solve the above-described problems, a heat exchange type air conditioning ventilator according to the present invention includes a first air supply ventilation path connected through the outdoor and outdoor suction ports, and a first exhaust ventilation path connected through the indoor and indoor suction ports. A first blower fan that supplies air to the first air supply passage, a second blower fan that exhausts air from the first exhaust ventilation passage, and a first ventilation passage that intersects the inside And a second ventilation path, and the first air supply ventilation path is connected to one port of the first ventilation path and the first exhaust ventilation path is connected to one port of the second ventilation path. Connected to the exchanger and the other outlet of the first ventilation path, connected to the interior and the second outlet of the second ventilation path, and connected to the other outlet of the second ventilation path. In a heat exchange type air conditioning ventilator having a second exhaust ventilation path connected through an outlet, the first exhaust ventilation path and the second exhaust ventilation path are provided. It characterized by having a ventilation passage opening and closing means provided in the partition wall separating the ventilation passage.

この発明に係る熱交換型空調換気装置によれば、通風路開閉手段が、第一の排気通風路と第二の排気通風路とを仕切る隔壁に設けられているので、第一の排気通風路から漏れ出た空気が室外から吸い込んだ新鮮な空気に混じることがなく有効換気量が向上する。これにより、通常は熱交換器を通して冷暖房エネルギーロスの少ない熱交換換気を行うとともに、室内空気が汚れた場合は排気量を増やして室内汚染空気を排出でき、さらに、有効換気量を増大させることができる熱交換型空調換気装置とすることができる。   According to the heat exchange type air-conditioning ventilator according to the present invention, since the ventilation path opening / closing means is provided in the partition wall that partitions the first exhaust ventilation path and the second exhaust ventilation path, the first exhaust ventilation path is provided. The air that leaks out from the outdoor air is not mixed with the fresh air sucked from the outside, improving the effective ventilation. As a result, heat exchange ventilation with less energy loss for heating and cooling is usually performed through a heat exchanger, and when the indoor air becomes dirty, the amount of exhaust can be increased to discharge indoor contaminated air, and the effective ventilation can be increased. It can be set as the heat exchange type air-conditioning ventilator which can be performed.

以下、本発明にかかる熱交換型空調換気装置の実施の形態を図面に基づいて詳細に説明する。なお、この実施の形態によりこの発明が限定されるものではない。   Embodiments of a heat exchange type air-conditioning ventilator according to the present invention will be described below in detail with reference to the drawings. Note that the present invention is not limited to the embodiments.

実施の形態
図１は本実施の形態の熱交換型空調換気装置の同時給排気運転をする様子を示す模式的な断面図である。また、図２は本実施の形態の熱交換型空調換気装置の排気専用運転をする様子を示す模式的な断面図である。熱交換型空調換気装置１００は、まず、室外と室外吸込口４を通してつながる第一の給気通風路２と、室内と室内吸込口１０を通してつながる第一の排気通風路８と、第一の給気通風路２内に設けられ第一の給気通風路２に空気を給気する第一の送風ファン３と、第一の排気通風路８内に設けられ第一の排気通風路８の空気を排気する第二の送風ファン９とを有している。第一の送風ファン３にはモータ１Ａが接続されている。第二の送風ファン３にはモータ１Ｂが接続されている。モータ１Ａとモータ１Ｂとは１台のモータで構成されている。 Embodiment FIG. 1 is a schematic cross-sectional view showing a state in which a simultaneous air supply / exhaust operation of the heat exchange type air-conditioning ventilator of the present embodiment is performed. FIG. 2 is a schematic cross-sectional view showing a state in which the heat exchanging type air-conditioning ventilator according to the present embodiment performs a dedicated exhaust operation. The heat exchange type air-conditioning ventilator 100 first includes a first air supply passage 2 connected through the outdoor and outdoor intake ports 4, a first exhaust air passage 8 connected through the indoor and indoor intake ports 10, and a first air supply. A first blower fan 3 provided in the air ventilation path 2 for supplying air to the first air supply ventilation path 2 and an air in the first exhaust ventilation path 8 provided in the first exhaust ventilation path 8 And a second blower fan 9 for exhausting the air. A motor 1 </ b> A is connected to the first blower fan 3. A motor 1 </ b> B is connected to the second blower fan 3. The motor 1A and the motor 1B are composed of one motor.

熱交換型空調換気装置１００は、また、熱交換器５を有している。熱交換器５は、内部に相交差する図示しない第一の通風路と第二の通風路とを有している。そして、上記第一の給気通風路２が熱交換器５の第一の通風路の一方の口に接続されている。また、上記第一の排気通風路８が熱交換器５の第二の通風路の一方の口に接続されている。   The heat exchange type air-conditioning ventilator 100 also has a heat exchanger 5. The heat exchanger 5 has a first ventilation path (not shown) and a second ventilation path that intersect each other. The first air supply ventilation path 2 is connected to one port of the first ventilation path of the heat exchanger 5. Further, the first exhaust ventilation path 8 is connected to one port of the second ventilation path of the heat exchanger 5.

熱交換型空調換気装置１００は、さらに、熱交換器５の第一の通風路の他方の口に接続され、室内と室内吹出口７を通してつながる第二の給気通風路６と、熱交換器５の第二の通風路の他方の口に接続され、室外と室外吹出口を通してつながる第二の排気通風路１１とを有している。   The heat exchange type air-conditioning ventilator 100 is further connected to the other opening of the first ventilation path of the heat exchanger 5, connected to the room and the indoor outlet 7, the second air supply ventilation path 6, and the heat exchanger 5 has a second exhaust ventilation path 11 connected to the other port of the second ventilation path 5 and connected to the outside through the outdoor outlet.

この熱交換型空調換気装置１００においては、第一の給気通風路２内に設けられた送風ファン３がモータ１Ａによって回転することで、室外吸込口４から空気を吸込み、この吸込んだ空気は熱交換器５を通って、第二の給気通風路６に入り、室内吹出口７から吹出すとともに、第一の排気通風路８内に設けられた送風ファン９がモータ１Ｂによって回転することで、室内吸込口１０から空気を吸込み、この吸込んだ空気は熱交換器５を通って、第二の排気通風路１１に入り、室外吹出口１２から吹出すことで室内外の空気の換気を行う。この時、熱交換器５内で室内から排気する空気と室外から給気する空気との間の熱交換が行われる。   In this heat exchange type air-conditioning ventilator 100, the blower fan 3 provided in the first air supply ventilation path 2 is rotated by the motor 1A, so that air is sucked from the outdoor suction port 4, and the sucked air is It passes through the heat exchanger 5 and enters the second air supply passage 6 and blows out from the indoor outlet 7, and the blower fan 9 provided in the first exhaust air passage 8 is rotated by the motor 1B. Then, air is sucked from the indoor suction port 10, and the sucked air passes through the heat exchanger 5, enters the second exhaust ventilation path 11, and blows out from the outdoor air outlet 12 to ventilate the air outside and inside the room. Do. At this time, heat exchange is performed between the air exhausted from the room and the air supplied from the outside in the heat exchanger 5.

そしてさらに、この熱交換型空調換気装置１００は、筐体の内壁面に設けられた図示しないガイドに案内されて室外吸込口４と室外吹出口１２との境界から室外吸込口４と第一の給気手段２との境界まで左右方向にスライド自在でそれぞれの境界で固定可能な通風路切換手段１３と、第二の排気通風路１１が第一の排気通風路８に直接接続される目的で、第二の排気通風路１１が第一の排気通風路８まで延びて形成されたバイパス通風路１４と、バイパス通風路１４と第一の排気通風路８との接続位置に設けられ、端部に壁面に固定された回転軸を有し、これを支点に第一の排気通風路８と平行な位置から垂直な位置まで回転自在でそれぞれの位置で固定可能とされバイパス通風路１４を開閉する通風路開閉手段１５とを有している。   Further, this heat exchange type air-conditioning ventilator 100 is guided by a guide (not shown) provided on the inner wall surface of the casing, and from the boundary between the outdoor suction port 4 and the outdoor air outlet 12, For the purpose of directly connecting the second exhaust ventilation path 11 to the first exhaust ventilation path 8 and the ventilation path switching means 13 slidable in the left and right directions to the boundary with the air supply means 2 and fixed at each boundary. The second exhaust ventilation path 11 is provided at a connection position between the bypass ventilation path 14 formed to extend to the first exhaust ventilation path 8, and the bypass ventilation path 14 and the first exhaust ventilation path 8, The rotary shaft is fixed to the wall surface, and it can be rotated from a position parallel to the first exhaust ventilation path 8 to a vertical position with this as a fulcrum, and can be fixed at each position to open and close the bypass ventilation path 14. Ventilation path opening / closing means 15 is provided.

なお、本実施の形態のバイパス通風路１４は、上記のように第二の排気通風路１１の一部として構成されている。そして、通風路開閉手段１５は、バイパス通風路１４と第一の排気通風路８とを仕切る隔壁が変化したものと考えることができる。すなわち、本実施の形態において、通風路開閉手段１５は、第一の排気通風路８と第二の排気通風路１１とを仕切る隔壁に設けられていると考えることができる。なお、図１及び図２において、バイパス通風路１４は、装置の外部に突出して迂回するように描かれているが、これは本実施の形態の思想を解り易く表現しているものであり、バイパス通風路１４は実際には装置１００の内部に形成されている。   In addition, the bypass ventilation path 14 of this Embodiment is comprised as a part of 2nd exhaust ventilation path 11 as mentioned above. And the ventilation path opening / closing means 15 can be considered that the partition which divides the bypass ventilation path 14 and the 1st exhaust ventilation path 8 changed. In other words, in the present embodiment, the ventilation path opening / closing means 15 can be considered to be provided in the partition wall that partitions the first exhaust ventilation path 8 and the second exhaust ventilation path 11. In FIG. 1 and FIG. 2, the bypass ventilation path 14 is drawn so as to protrude outside the apparatus and detour, but this expresses the idea of the present embodiment easily. The bypass ventilation path 14 is actually formed inside the apparatus 100.

次に、通風路切換手段１３、バイパス通風路１４及び通風路開閉手段１５と熱交換型空調換気装置１００の運転状況との関係について説明する。なお、給排気運転と排気専用運転との切換は使用者がリモコン等により任意にできるものとする。図１に示す給排気運転において、第一の給気通風路２と第一の排気通風路８とが、隔壁１７によって仕切られており、また、第二の排気通風路１１と第一の給気通風路２とが、隔壁１８、１９及び通風路切換手段１３によって仕切られているので、室内吸込口１０から吸込んだ空気（図１中実線矢印で示す）と室外吸込口４から吸込んだ空気（図１中一点鎖線矢印で示す）との間で空気が混じることなく換気することができる。   Next, the relationship between the ventilation path switching means 13, the bypass ventilation path 14, the ventilation path opening / closing means 15, and the operation status of the heat exchange type air-conditioning ventilator 100 will be described. Note that the user can arbitrarily switch between the air supply / exhaust operation and the exhaust exclusive operation by a remote controller or the like. In the air supply / exhaust operation shown in FIG. 1, the first air supply passage 2 and the first exhaust air passage 8 are partitioned by a partition wall 17, and the second air supply passage 11 and the first air supply passage 8 are separated. Since the air ventilation path 2 is partitioned by the partition walls 18, 19 and the ventilation path switching means 13, the air sucked from the indoor suction port 10 (shown by the solid line arrow in FIG. 1) and the air sucked from the outdoor suction port 4. The air can be ventilated without being mixed with (indicated by a one-dot chain line arrow in FIG. 1).

なお、図１において、通風路切換手段１３及び通風路開閉手段１５はそれぞれ駆動源として図示しないモータを持っており、使用者が給排気運転から排気専用運転にリモコンで切換えるとそれぞれのモータの回転力により、通風路切換手段１３は、図に向かって右方向に室外吸込口４と第一の給気通風路２とが隔離されるまでスライドして、通風路開閉手段１５は時計周りに約１／４回転して停止する。これにより、図１に示す給排気運転の状態から図２に示す排気専用運転の状態へと変化する。   In FIG. 1, each of the ventilation path switching means 13 and the ventilation path opening / closing means 15 has a motor (not shown) as a drive source, and when the user switches from the air supply / exhaust operation to the exhaust exclusive operation with a remote controller, the rotation of each motor is performed. Due to the force, the ventilation path switching means 13 slides in the right direction in the drawing until the outdoor suction port 4 and the first air supply ventilation path 2 are isolated, and the ventilation path opening / closing means 15 is approximately clockwise. Stop after a quarter turn. Thus, the state changes from the supply / exhaust operation state shown in FIG. 1 to the exhaust-only operation state shown in FIG.

図２に示す排気専用運転では、第一の排気通風路８はバイパス通風路１４を介して第二の排気通風路１１と連通される。また、通風路切換手段１３により、第一の給気通風路２の室外空気吸込口４と第二の排気通風路１１の室外空気吹出口１２との境界がなくなるとともに、第一の給気用通風路２と室外空気吸込口４との間が塞がれる。そして、図２中実線矢印にて示されるように、この排気専用運転においては、室内の空気が室外へ排気される経路が二つ形成される。すなわち、一つは、室内吸込口１０から第一の排気通風路８を通ってバイパス通風路１４を経由して第二の排気通風路１１に抜け室外吸込口４または室外吹出口１２から室外へ排気されるルートであり、もう一つは、室内吸込口１０から第一の排気通風路８を通って熱交換器５を通過して第二の排気通風路１１に抜け室外吸込口４または室外吹出口１２から室外へ排気されるルートとである。排気が完了したら、再度リモコンにより、今度はモータを逆回転させる指令を送り、図１の同時給排気換気運転に戻すことができる。   In the exhaust-only operation shown in FIG. 2, the first exhaust ventilation path 8 is communicated with the second exhaust ventilation path 11 via the bypass ventilation path 14. In addition, the ventilation path switching means 13 eliminates the boundary between the outdoor air inlet 4 of the first air supply ventilation path 2 and the outdoor air outlet 12 of the second exhaust ventilation path 11, and is used for the first air supply. The space between the ventilation path 2 and the outdoor air inlet 4 is blocked. As shown by solid line arrows in FIG. 2, in this exhaust-only operation, two paths through which indoor air is exhausted to the outside are formed. That is, one exits from the indoor suction port 10 through the first exhaust ventilation path 8 to the second exhaust ventilation path 11 via the bypass ventilation path 14 and from the outdoor suction opening 4 or the outdoor outlet 12 to the outside. The other is a route to be exhausted, and the other is from the indoor suction port 10 through the first exhaust ventilation path 8 and through the heat exchanger 5 to the second exhaust ventilation path 11 to the outdoor suction port 4 or the outdoor. And a route exhausted from the air outlet 12 to the outside of the room. When the exhaust is completed, the remote controller can again send a command to reversely rotate the motor and return to the simultaneous supply / exhaust / ventilation operation of FIG.

このような構成の熱交換型空調換気装置１００においては、１台の熱交換型空調換気装置で、通常は、熱交換器５を通して室内の冷暖房エネルギーロスの少ない熱交換換気を常時少風量で換気するともに、喫煙などにより急激に室内空気が汚れた場合は、排気量を増やして、比較的短時間で室内汚染空気を排出できる。また、排気専用換気時には室外吸込口４も排気用の室外吹出口１２と同等の作用をするので、排気口での圧力損失も低くすることができる。そして、本実施の形態の熱交換型空調換気装置１００においては、第一の排気通風路８及び第二の排気通風路１１からなる排気通風路と第一の給気通風路２及び第二の給気通風路６からなる給気通風路との間を隔てる隔壁に、例えばダンパ等の開閉構造が設けられてないので、同時給排気運転の場合に排気通風路８，１１から給気通風路２，６に空気が漏れることがない。そして、仮に通風路開閉手段１５に漏れがあっても、室内から排気する汚れた空気が（元来最終的に至るべき通風路である）第二の排気通風路１１に漏れるだけなので、室外から吸い込んだ新鮮な空気に室内からの汚れた空気が混じることがなく有効換気量が増大する。   In the heat exchange type air-conditioning ventilator 100 having such a configuration, one heat exchange type air-conditioning ventilator is normally used, and the heat exchange ventilation with little loss of air conditioning energy in the room is normally ventilated with a small amount of air through the heat exchanger 5. At the same time, if the indoor air is abruptly contaminated due to smoking or the like, the amount of exhaust can be increased and the indoor polluted air can be discharged in a relatively short time. In addition, since the outdoor suction port 4 operates in the same manner as the exhaust outdoor outlet 12 during exhaust ventilation, pressure loss at the exhaust port can be reduced. And in the heat exchange type air-conditioning ventilator 100 of this Embodiment, the exhaust ventilation path which consists of the 1st exhaust ventilation path 8, and the 2nd exhaust ventilation path 11, the 1st supply ventilation path 2, and the 2nd Since the opening / closing structure such as a damper is not provided in the partition wall that is separated from the air supply and ventilation path 6, for example, in the simultaneous air supply / exhaust operation, the air supply and ventilation paths are provided from the exhaust ventilation paths 8 and 11. No air leaks to 2 and 6. And even if there is a leak in the ventilation path opening / closing means 15, the dirty air exhausted from the room only leaks into the second exhaust ventilation path 11 (which is the ventilation path that should finally reach), so that The fresh ventilation is not mixed with dirty air from the room, increasing the effective ventilation.

なお、本実施の形態のバイパス通風路１４は、上記のように第二の排気通風路１１が第一の排気通風路８に直接接続される目的で、第二の排気通風路１１が第一の排気通風路８まで延びて形成されているが、逆に第一の排気通風路８が第二の排気通風路１１に接続されるようにして第一の排気通風路８が第二の排気通風路１１まで延びて形成されてもよい。この場合、通風路開閉手段を構成する通風路切換手段１５は、バイパス通風路１４と第二の排気通風路１１との接続位置に設けられることになる。さらにまた、第一の排気通風路８と第二の排気通風路１１とが１枚の隔壁を介して隣接している場合には、本実施の形態のようなバイパス通風路１４を形成せずに、第一の排気通風路８と第二の排気通風路１１とを隔てる隔壁に通風路切換手段１５が設けるようにすればよい。   The bypass ventilation path 14 of the present embodiment is configured such that the second exhaust ventilation path 11 is first connected for the purpose of directly connecting the second exhaust ventilation path 11 to the first exhaust ventilation path 8 as described above. However, the first exhaust ventilation path 8 is connected to the second exhaust ventilation path 11 so that the first exhaust ventilation path 8 is connected to the second exhaust ventilation path 8. It may be formed extending to the ventilation path 11. In this case, the ventilation path switching means 15 constituting the ventilation path opening / closing means is provided at a connection position between the bypass ventilation path 14 and the second exhaust ventilation path 11. Furthermore, when the first exhaust ventilation path 8 and the second exhaust ventilation path 11 are adjacent to each other via a single partition, the bypass ventilation path 14 as in the present embodiment is not formed. In addition, the ventilation path switching means 15 may be provided in a partition wall separating the first exhaust ventilation path 8 and the second exhaust ventilation path 11.

また、バイパス通風路１４の流通断面積は、排気専用運転の能力に応じて適宜変更されてよい。さらにまた、通風路切換手段１３と通風路開閉手段１５とは、何れか一方がモータによって動作した際に他方も連動して動作するように例えばピン等により機構的に連結されてもよい。   Further, the flow cross-sectional area of the bypass ventilation path 14 may be changed as appropriate according to the capability of the exhaust exclusive operation. Furthermore, the ventilation path switching means 13 and the ventilation path opening / closing means 15 may be mechanically connected by, for example, a pin or the like so that when either one is operated by a motor, the other is also operated in conjunction.

また、室内に煙感知センサを設け、このセンサが所定濃度以上の煙を感知したら制御手段に信号を送り、制御手段が各モータに駆動指令を送ることで、自動で同時給排気換気運転から排気専用運転への切換え、急速排気により部屋内の煙の濃度が所定の濃度未満となったら制御手段に再度信号を送り、制御手段は各モータに逆回転させる駆動指令を送ることで、自動で排気専用運転から同時給排気換気運転への切換えるようにしてもよい。   In addition, a smoke detection sensor is provided in the room, and when this sensor detects smoke of a predetermined concentration or more, a signal is sent to the control means, and the control means sends a drive command to each motor, so that the exhaust from the simultaneous supply / exhaust ventilation operation is automatically performed. When the smoke concentration in the room becomes less than the predetermined concentration due to switching to dedicated operation and rapid exhaust, the control means sends a signal again, and the control means sends a drive command to reversely rotate each motor, thereby automatically exhausting. You may make it switch from exclusive operation to simultaneous supply / exhaust ventilation operation.

この発明は、換気時に室内の空気と室外の空気との間で熱交換を行う熱交換型空調換気装置に適用されて好適なものである。   The present invention is suitably applied to a heat exchange type air-conditioning ventilator that exchanges heat between indoor air and outdoor air during ventilation.

本実施の形態の熱交換型空調換気装置の同時給排気運転をする様子を示す模式的な断面図である。It is typical sectional drawing which shows a mode that the simultaneous air supply / exhaust driving | operation of the heat exchange type | formula air conditioning ventilator of this Embodiment is carried out. 本実施の形態の熱交換型空調換気装置の排気専用運転をする様子を示す模式的な断面図である。It is typical sectional drawing which shows a mode that the operation | movement only for exhaust_gas | exhaustion of the heat exchange type | formula air conditioning ventilator of this Embodiment is carried out. 従来の熱交換型空調換気装置の同時給排気運転をする様子を示す模式的な断面図である。It is typical sectional drawing which shows a mode that the simultaneous heat exhaust operation of the conventional heat exchange type | formula air-conditioning ventilator is performed. 従来の熱交換型空調換気装置の排気専用運転をする様子を示す模式的な断面図である。It is typical sectional drawing which shows a mode that the exclusive operation of exhaust_gas | exhaustion of the conventional heat exchange type | formula air conditioning ventilator is carried out.

符号の説明Explanation of symbols

１Ａ，１Ｂ モータ
２ 第一の給気通風路
３ 第一の送風用ファン
４ 室外吸込口
５ 熱交換器
６ 第二の給気通風路
７ 室内吹出口
８ 第一の排気通風路
３ 第二の送風用ファン
１０ 室内吸込口
１１ 第二の排気通風路
１２ 室外吹出口
１３ 通風路切換手段
１４ バイパス通風路
１５ 通風路開閉手段
１７，１８，１９ 隔壁
１００ 熱交換型空調換気装置 DESCRIPTION OF SYMBOLS 1A, 1B Motor 2 1st air supply ventilation path 3 1st fan for ventilation 4 Outdoor suction port 5 Heat exchanger 6 2nd air supply ventilation path 7 Indoor air outlet 8 1st exhaust ventilation path 3 2nd Blower fan 10 Indoor air inlet 11 Second exhaust ventilation path 12 Outdoor outlet 13 Ventilation path switching means 14 Bypass ventilation path 15 Ventilation path opening / closing means 17, 18, 19 Partition 100 Heat exchange air conditioning ventilator

Claims (4)

室外と室外吸込口を通してつながる第一の給気通風路と、
室内と室内吸込口を通してつながる第一の排気通風路と、
前記第一の給気通風路に空気を給気する第一の送風ファンと、
前記第一の排気通風路の空気を排気する第二の送風ファンと、
内部に相交差する第一の通風路と第二の通風路とを有し、前記第一の給気通風路が前記第一の通風路の一方の口に前記第一の排気通風路が前記第二の通風路の一方の口に接続された熱交換器と、
前記第一の通風路の他方の口に接続され、前記室内と室内吹出口を通してつながる第二の給気通風路と、
前記第二の通風路の他方の口に接続され、前記室外と室外吹出口を通してつながる第二の排気通風路とを有する熱交換型空調換気装置において、
前記第一の排気通風路と前記第二の排気通風路とを仕切る隔壁に設けられた通風路開閉手段を有する
ことを特徴とする熱交換型空調換気装置。 A first air supply passage that is connected to the outside through the outdoor inlet;
A first exhaust ventilation path connected through the room and the indoor suction port;
A first blower fan for supplying air to the first supply air passage;
A second blower fan that exhausts air from the first exhaust ventilation path;
A first ventilation path and a second ventilation path that intersect each other, wherein the first air supply ventilation path is at one port of the first ventilation path. A heat exchanger connected to one port of the second ventilation path;
A second air supply passage connected to the other port of the first ventilation passage and connected through the room and the indoor outlet;
In the heat exchange air-conditioning ventilator having a second exhaust ventilation path connected to the other port of the second ventilation path and connected through the outdoor and an outdoor outlet,
A heat exchange type air-conditioning ventilator comprising a ventilation path opening / closing means provided in a partition partitioning the first exhaust ventilation path and the second exhaust ventilation path. 前記第一の排気通風路と前記第二の排気通風路の少なくともいずれか一方が、他方に連通するバイパス通風路を含み、前記通風路開閉手段は、前記バイパス通風路に設けられている
ことを特徴とする請求項１に記載の熱交換型空調換気装置。 At least one of the first exhaust ventilation path and the second exhaust ventilation path includes a bypass ventilation path communicating with the other, and the ventilation path opening and closing means is provided in the bypass ventilation path. The heat exchange type air conditioning ventilator according to claim 1, wherein 前記室外吸込口と前記室外吹出口とを接続するとともに前記第一の給気通風路と前記室外吸込口とを閉鎖する通風路切換手段をさらに有する
ことを特徴とする請求項１または２に記載の熱交換型空調換気装置。 The air passage switching means for connecting the outdoor suction port and the outdoor air outlet and closing the first air supply air passage and the outdoor air suction port is further provided. Heat exchange type air conditioning ventilator. 前記通風路切換手段と前記通風路開閉手段とが連動する
ことを特徴とする請求項１から３のいずれか１項に記載の熱交換型空調換気装置。 The heat exchange air-conditioning ventilator according to any one of claims 1 to 3, wherein the ventilation path switching means and the ventilation path opening / closing means are interlocked.
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CN107143963A (en) * 2017-05-31 2017-09-08 珠海格力电器股份有限公司 The new blower fan of heat exchange

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