JP2006336999A - Heat pump type air conditioner - Google Patents

Heat pump type air conditioner Download PDF

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JP2006336999A
JP2006336999A JP2005165303A JP2005165303A JP2006336999A JP 2006336999 A JP2006336999 A JP 2006336999A JP 2005165303 A JP2005165303 A JP 2005165303A JP 2005165303 A JP2005165303 A JP 2005165303A JP 2006336999 A JP2006336999 A JP 2006336999A
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heat exchanger
air
water
side heat
supply
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Shozo Tokuda
昌三 徳田
Norihiko Yokooji
憲彦 横大路
Masateru Saito
真輝 斉藤
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Toyo Seisakusho KK
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Toyo Seisakusho KK
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  • Devices For Blowing Cold Air, Devices For Blowing Warm Air, And Means For Preventing Water Condensation In Air Conditioning Units (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To reduce operating power by lowering exhaust temperature by means of condensed water during cooling operation, and lowering condensation temperature. <P>SOLUTION: The heat pump type air conditioner has inside a casing 1 a supply air passage 2 extending from a fresh air opening 2a to an air supply opening 2b and a return air passage 3 extending from a return air opening 3a to an exhaust opening 3b. The heat pump type air conditioner alternately carries out cooling and heating operations for a room to be air-conditioned, by causing refrigerant from a compressor 12 to circulate through a supply side heat exchanger 7 provided in the air supply passage 2 and a return side heat exchanger 10 provided in the return air passage 3, from the return side heat exchanger 10 to the supply side heat exchanger 7, or in the reverse order. The air conditioner includes a drain pan 19 provided under the supply side heat exchanger, a water supply means 21 for supplying water around the return side heat exchanger 10, and a water feed means 20 for feeding drain water collected in the drain pan 19 to the water supply means 21. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は冷媒回路の操作により冷房と暖房を切替えて行うことができるヒートポンプ式空気調和装置に関し、より詳しくは、冷房運転時において排気温度の低下を実現できるようにした空気調和装置に関する。   The present invention relates to a heat pump type air conditioner capable of switching between cooling and heating by operating a refrigerant circuit, and more particularly to an air conditioner capable of realizing a reduction in exhaust temperature during cooling operation.

外気導入タイプのヒートポンプ式空気調和装置においては、冷房運転時に給気側熱交換器が蒸発器として作用し、導入した外気中の余剰水分が冷却によって凝縮し、凝縮した水分はドレンとして外部に排出されるようになっていて（例えば、特許文献１、２参照）、前記凝縮水分は特に利用されていないのが現状である。   In the outside air introduction type heat pump type air conditioner, the air supply side heat exchanger acts as an evaporator during cooling operation, and excess moisture in the introduced outside air is condensed by cooling, and the condensed moisture is discharged to the outside as drain. (For example, see Patent Documents 1 and 2), and the present situation is that the condensed moisture is not particularly utilized.

ところで、近年空気調和装置の冷房運転時における室外排気が都市部で顕著なヒートアイランド現象の原因となっていることが社会問題となっており、排気温度を低下させる手段として従来から採られているのは、設定温度を下げるという程度のものでしかない。
特開２００３−４２４７９号公報（第１〜３頁、図１〜５） 特開２００３−３１４８４６号公報（第１〜７頁、図１〜５） By the way, in recent years, outdoor exhaust during the cooling operation of the air conditioner has become a social problem that causes a remarkable heat island phenomenon in urban areas, and has been conventionally adopted as a means for lowering the exhaust temperature. Is only about lowering the set temperature.
JP 2003-42479 A (pages 1 to 3, FIGS. 1 to 5) Japanese Patent Laid-Open No. 2003-314846 (pages 1-7, FIGS. 1-5)

本発明は、冷房運転時に生じる凝縮水を利用して排気温度を低下せしめ、しかも凝縮温度の低下を図って運転動力の低減を期すことのできるヒートポンプ式空気調和装置を提供することを目的としている。   An object of the present invention is to provide a heat pump type air conditioner that can reduce exhaust gas temperature by using condensed water generated during cooling operation and can reduce the operation power by reducing the condensation temperature. .

上記課題を解決するために、本発明の請求項１に係るヒートポンプ式空気調和装置は、ケーシング内に、外気入口から被空調室への給気口に至る給気流路と、被空調室からの還気口から排気口に至る還気流路を有し、前記給気流路に設けた給気側熱交換器と、前記還気流路に設けた還気側熱交換器とに対し、圧縮機からの冷媒を前記還気側熱交換器と給気側熱交換器の順またはその逆に流通せしめて被空調室に対する冷房運転と暖房運転を切替えて行うように構成したヒートポンプ式空気調和装置において、前記給気側熱交換器の下方に設けたドレンパンと、前記還気側熱交換器まわりに水を供給する給水手段と、前記ドレンパンで捕集したドレン水を前記給水手段に送る送水手段を備えてなる構成のものとしてある。   In order to solve the above-described problem, a heat pump air conditioner according to claim 1 of the present invention includes an air supply channel from an outside air inlet to an air supply port to an air-conditioned room, and an air supply from the air-conditioned room. A return air passage extending from the return air outlet to the exhaust outlet, the supply side heat exchanger provided in the supply air passage, and the return air side heat exchanger provided in the return air passage from the compressor In the heat pump type air conditioner configured to switch between the cooling operation and the heating operation for the air-conditioned room by circulating the refrigerant of the return air side heat exchanger and the air supply side heat exchanger in the order or vice versa, A drain pan provided below the air supply side heat exchanger, water supply means for supplying water around the return air side heat exchanger, and water supply means for sending drain water collected by the drain pan to the water supply means It is as a thing of the structure which becomes.

本発明の請求項２に係るヒートポンプ式空気調和装置は、前記給水手段を、還気側熱交換器の上流側に設けた加湿器で構成してなる請求項１に記載のヒートポンプ式空気調和装置。   The heat pump type air conditioner according to claim 2 of the present invention is the heat pump type air conditioner according to claim 1, wherein the water supply means is constituted by a humidifier provided on the upstream side of the return air side heat exchanger. .

本発明の請求項３に係るヒートポンプ式空気調和装置は、前記給水手段を、還気側熱交換器の上方に設けた受水器から還気側熱交換器に水を滴下させるようにした構成のものとしてある。   The heat pump type air conditioner according to claim 3 of the present invention is configured such that the water supply means drops water from a water receiver provided above the return air side heat exchanger to the return air side heat exchanger. As a thing.

本発明の請求項４に係るヒートポンプ式空気調和装置は、前記受水器を、底部に多数の通水孔を有する皿状のものとしてあり、前記通水孔から還気側熱交換器に水を滴下させるように構成したものとしてある。   In the heat pump type air conditioner according to claim 4 of the present invention, the water receiver is in a dish-like shape having a large number of water passage holes at the bottom, and water is supplied from the water passage holes to the return air side heat exchanger. Is configured to be dripped.

本発明の請求項５に係るヒートポンプ式空気調和装置は、前記受水器を、保水性材料よりなり、この保水性材料の保水量を超えた水が還気側熱交換器に滴下して供給されるようにした構成のものとしてある。   In the heat pump type air conditioner according to claim 5 of the present invention, the water receiver is made of a water retention material, and water exceeding the water retention amount of the water retention material is dripped and supplied to the return air side heat exchanger. It is as the thing of the structure made to do.

本発明の請求項６に係るヒートポンプ式空気調和装置は、前記給気流路における給気側熱交換器の上流部と、前記還気流路における還気側熱交換器の上流部に、給気流路と還気流路を跨ぐ全熱交換器を設けたものとしてある。   A heat pump air conditioner according to a sixth aspect of the present invention includes an air supply passage in an upstream portion of an air supply side heat exchanger in the air supply passage and an upstream portion of the return air side heat exchanger in the return air passage. And a total heat exchanger across the return air flow path.

本発明によれば、冷房運転時において蒸発器として作用する給気側熱交換器にて、冷却により凝縮した水分がドレンパンで捕集され、この捕集された凝縮水が、冷房運転時において凝縮器として作用する還気側熱交換器に供給され、同還気側熱交換器から発せられる熱を奪い、したがって排気温度を低下させることができる。   According to the present invention, the water condensed by cooling is collected by the drain pan in the supply-side heat exchanger that acts as an evaporator during the cooling operation, and the collected condensed water is condensed during the cooling operation. The heat is supplied to the return air side heat exchanger acting as a heat exchanger, and the heat generated from the return air side heat exchanger is taken away, so that the exhaust temperature can be lowered.

また、還気側熱交換器が前記凝縮水によって冷却されるので、冷房運転時における還気側熱交換器での凝縮温度が低下し、運転動力を低減せしめることができ、ランニングコストの低減すなわち省エネルギ化を期すことができる。   In addition, since the return air side heat exchanger is cooled by the condensed water, the condensation temperature in the return air side heat exchanger during cooling operation can be reduced, and the operating power can be reduced, that is, the running cost is reduced. Energy saving can be expected.

本発明に係るヒートポンプ式空気調和装置の実施例を添付図面に基づいて詳細に説明する。
ケーシング１内には、外気入口２ａから被空調室（図示省略）への給気口２ｂに至る給気流路２と、被空調室からの還気を導入する還気口３ａから外部への排気口３ｂに至る還気流路３とが仕切り板１ａによって区画されていて、給気流路２と還気流路３との間には、これら２つの流路を跨ぐ全熱交換器４を備えている。 An embodiment of a heat pump type air conditioner according to the present invention will be described in detail with reference to the accompanying drawings.
In the casing 1, the supply air flow path 2 extending from the outside air inlet 2 a to the air supply port 2 b to the air-conditioned room (not shown) and the exhaust from the return air port 3 a for introducing the return air from the air-conditioned room to the outside. The return air flow path 3 reaching the port 3b is partitioned by a partition plate 1a, and a total heat exchanger 4 straddling the two flow paths is provided between the supply air flow path 2 and the return air flow path 3. .

前記給気流路２には、外気入口２ａ側から給気口２ｂに向かって順に、フィルタ５、前記全熱交換器４、加湿器６、給気側熱交換器７、送風機８を設けてあり、前記還気流路３には、還気口３ａから排気口３ｂに向かって順に、フィルタ９、前記全熱交換器４、還気側熱交換器１０、送風機１１を設けてある。   The air supply flow path 2 is provided with a filter 5, the total heat exchanger 4, the humidifier 6, the air supply side heat exchanger 7, and the blower 8 in order from the outside air inlet 2 a side toward the air inlet 2 b. The return air flow path 3 is provided with a filter 9, the total heat exchanger 4, the return air side heat exchanger 10, and a blower 11 in this order from the return air port 3a to the exhaust port 3b.

なお、給気流路２内におけるフィルタ５は、例えばプレフィルタ５ａと中性能フィルタ５ｂとの２段構成のものとしてある。   The filter 5 in the air supply channel 2 has a two-stage configuration of, for example, a pre-filter 5a and a medium performance filter 5b.

また、上記還気流路３におけるフィルタ９と全熱交換器４との間には、冷媒回路の圧縮機１２を設けてあり、同圧縮機１２からの冷媒は、前記給気側熱交換器７と還気側熱交換器１０をこの順に、またはその逆となるように四方弁１３により切替えて供給され、アキュムレータ１４を介して圧縮機に戻される構成となっており、上記四方弁の切替えによって暖房運転と冷房運転が切替えられる。   Further, a compressor 12 of a refrigerant circuit is provided between the filter 9 and the total heat exchanger 4 in the return air flow path 3, and the refrigerant from the compressor 12 is supplied to the supply side heat exchanger 7. And the return air side heat exchanger 10 are switched and supplied by the four-way valve 13 in this order or vice versa, and are returned to the compressor via the accumulator 14. Switching between heating operation and cooling operation.

なお、上記圧縮機１２、四方弁１３およびアキュムレータ１４は全熱交換器４と還気側熱交換器１０との間に設ける場合もあるし、他の位置に設ける場合もある。
また、図１中において符号１５、１６はそれぞれ第１熱交換器、第２熱交換器用の各膨張弁、１７、１８はそれぞれ給気側熱交換器７用、還気側熱交換器１０用の逆止弁を示している。 The compressor 12, the four-way valve 13 and the accumulator 14 may be provided between the total heat exchanger 4 and the return air side heat exchanger 10, or may be provided at other positions.
Further, in FIG. 1, reference numerals 15 and 16 denote expansion valves for the first heat exchanger and the second heat exchanger, respectively, and 17 and 18 denote the supply side heat exchanger 7 and the return air side heat exchanger 10, respectively. The check valve is shown.

具体的には、冷房運転時には図１中に実線矢印で示されるように、圧縮機１２からの冷媒が四方弁１３を介して還気側熱交換器１０に送られ、還気流路３を流過する空気との熱交換により凝縮されて給気側熱交換器７に送られ、同給気側熱交換器において蒸発させられて給気流路２内を流過する空気を冷却してアキュムレータ１４に送られ、同アキュムレータにて気液分離されて圧縮機１２に戻される。
なお、給気側熱交換器７にて冷却された空気は被空調室に送られる。 Specifically, during the cooling operation, as indicated by solid arrows in FIG. 1, the refrigerant from the compressor 12 is sent to the return air side heat exchanger 10 through the four-way valve 13 and flows through the return air flow path 3. The air is condensed by heat exchange with excess air and sent to the supply air side heat exchanger 7, evaporated in the supply air side heat exchanger and cooled in the supply air passage 2 to cool the accumulator 14. The gas is separated into gas and liquid by the accumulator and returned to the compressor 12.
In addition, the air cooled with the air supply side heat exchanger 7 is sent to an air-conditioned room.

また、暖房運転時には図１中に破線矢印で示されるように、圧縮機１２からの冷媒が四方弁１３を介して給気側熱交換器７に送られ、給気流路２を流過する空気との熱交換によって凝縮して給気流路内の空気を加熱し、凝縮した冷媒は還気側熱交換器１０に送られて蒸発させられて還気流路３内を流過する空気の熱を奪い、その後アキュムレータにて気液分離されて圧縮機１２に戻される。
なお、給気側熱交換器７にて加熱された空気は被空調室に送られる。 Further, during the heating operation, as indicated by broken line arrows in FIG. 1, the refrigerant from the compressor 12 is sent to the supply side heat exchanger 7 through the four-way valve 13 and flows through the supply passage 2. The heat of the air that flows through the return air passage 3 is condensed by heat exchange with the air and heats the air in the air supply passage, and the condensed refrigerant is sent to the return air side heat exchanger 10 to be evaporated. The gas is then separated into gas and liquid by an accumulator and returned to the compressor 12.
In addition, the air heated with the air supply side heat exchanger 7 is sent to an air-conditioned room.

しかして、本発明の装置においては前記給気側熱交換器７の下方にドレンパン１９を設けてあって、冷房運転時において蒸発器として作用する給気側熱交換器表面で発生する凝縮水を捕集するようになっている。   Therefore, in the apparatus of the present invention, a drain pan 19 is provided below the air supply side heat exchanger 7, and condensed water generated on the surface of the air supply side heat exchanger that acts as an evaporator during cooling operation is collected. It is supposed to collect.

そして、上記ドレンパン１９の底部に一端が接続された送水手段たる送水管２０の他端が、仕切り板１ａを経て、還気側熱交換器１０の上流側に設けた給水手段たる加湿器２１に接続されており、前記ドレンパンで捕集された凝縮水が上記加湿器２１の加湿用水として用いられるようになっていて、加湿器には例えば気化式加湿器を使用する。   And the other end of the water supply pipe 20 as one of the water supply means connected at one end to the bottom of the drain pan 19 is connected to the humidifier 21 as the water supply means provided on the upstream side of the return air side heat exchanger 10 via the partition plate 1a. Condensed water that is connected and collected by the drain pan is used as humidifying water for the humidifier 21, and a vaporizing humidifier is used as the humidifier, for example.

上記送水管２０は加湿器２１側に向かって下向きの勾配を付してあって、凝縮水は自然落下により流れて供給されるようにしてあるが、装置の仕様によっては上述のような勾配を付すことができない場合もあるので、このような場合には送水管の途中に適宜送水用のポンプを設ける。
なお、図１中の符号２２は還気側熱交換器まわりの余剰水を捕集するためのドレンパンを示し、同ドレンパンに滴下する水（加湿用の余剰水や暖房運転時における凝縮水）は外部に排出される。 The water pipe 20 has a downward gradient toward the humidifier 21 side, and the condensed water flows and is supplied by natural fall. However, depending on the specifications of the apparatus, the gradient as described above may be used. In some cases, a pump for water supply is appropriately provided in the middle of the water supply pipe.
In addition, the code | symbol 22 in FIG. 1 shows the drain pan for collecting the surplus water around a return air side heat exchanger, and the water dripped in the drain pan (the surplus water for humidification or the condensed water at the time of heating operation) is It is discharged outside.

上述のように、冷房運転時の給気側熱交換器７で凝縮した水が還気側熱交換器１０の上流部に設けられた加湿器２１によって気化されて還気側熱交換器に放出され、したがって還気側熱交換器１０にて放出された熱を加湿器からの水分が奪い、排気温度が低下させられる。   As described above, the water condensed in the supply air side heat exchanger 7 during the cooling operation is vaporized by the humidifier 21 provided upstream of the return air side heat exchanger 10 and discharged to the return air side heat exchanger. Accordingly, the moisture released from the return air side heat exchanger 10 is deprived of moisture from the humidifier, and the exhaust temperature is lowered.

また、冷房運転時において凝縮器として作用している還気側熱交換器１０は加湿器２１からの水分によって温度が低下させられるので、凝縮温度が低下し、したがって圧縮機における運転動力を減少せしめることができ、省エネルギ化を期すことができる。   Further, since the temperature of the return air side heat exchanger 10 acting as a condenser during the cooling operation is lowered by moisture from the humidifier 21, the condensing temperature is lowered, and thus the operating power in the compressor is reduced. This can save energy.

図２は、上述した構成の本発明の装置により、冷房運転時における空気の状態の一例を湿り空気線図に示したものであり、給気風量が６０００ＣＭＨ、給気側熱交換器７入口における空気が乾球温度で２９．４℃、湿球温度で２３．０℃、給気側熱交換器の蒸発器能力が１４．７ｋＷであるとして計算を行うと、給気側熱交換器出口における空気は乾球温度で２６．０℃、湿球温度で２１．０℃となり、凝縮水の発生量は１０．８ｇ／ｈとなる。   FIG. 2 is a wet air diagram showing an example of the air state during cooling operation by the apparatus of the present invention having the above-described configuration. The supply air volume is 6000 CMH, and the supply air side heat exchanger 7 has an inlet. When calculation is performed assuming that the air is 29.4 ° C. at the dry bulb temperature, 23.0 ° C. at the wet bulb temperature, and the evaporator capacity of the supply side heat exchanger is 14.7 kW, at the supply side heat exchanger outlet Air has a dry bulb temperature of 26.0 ° C. and a wet bulb temperature of 21.0 ° C., and the amount of condensed water generated is 10.8 g / h.

そして、加湿器２１入口における空気を乾球温度で３１．１℃、湿球温度で２４．８℃、加湿器による加湿効率を３０％であるとすると、加湿器２１出口における空気温度は乾球温度で３０．０℃となり、すなわち凝縮水による加湿を行わない場合に比して１．１℃低下し、したがって排気口３ｂから外部に放出される排気温度も１．１℃低下させることができる。   If the air at the inlet of the humidifier 21 is 31.1 ° C. at the dry bulb temperature, 24.8 ° C. at the wet bulb temperature, and the humidification efficiency by the humidifier is 30%, the air temperature at the outlet of the humidifier 21 is dry bulb. The temperature is 30.0 ° C., that is, 1.1 ° C. lower than when humidification with condensed water is not performed. Therefore, the exhaust temperature discharged from the exhaust port 3b to the outside can also be reduced by 1.1 ° C. .

また、還気側熱交換器１０における冷媒の凝縮温度を、還気側熱交換器に流入する空気の温度（入口温度）よりも乾球温度にして１５℃高いものであると仮定して圧縮機動力を計算すると、凝縮水による加湿を行わない場合は３．４３ｋＷ、加湿を行う場合は３．３１ｋＷとなり、凝縮水による加湿を行った場合には３．５％の動力低減を期待することができる。   Further, it is assumed that the condensation temperature of the refrigerant in the return air side heat exchanger 10 is 15 ° C. higher than the temperature of the air flowing into the return air side heat exchanger (inlet temperature) by a dry bulb temperature. When the mobility is calculated, it is 3.43 kW when humidification with condensed water is not performed, 3.31 kW when humidification is performed, and a 3.5% reduction in power is expected when humidification with condensed water is performed. Can do.

上述した実施例においては、給気流路２と還気流路３の空気を全熱交換器４にて熱交換する構成としてあるが、全熱交換器を設けない場合もある。   In the embodiment described above, the air in the supply air flow path 2 and the return air flow path 3 is configured to exchange heat with the total heat exchanger 4, but the total heat exchanger may not be provided.

図３は給水手段の他の例を示すものであり、同図３に示される例においては前記加湿器２１に代えて、受水器たる受水皿２３を還気側熱交換器１０の上部に設けたものとしてあり、この受水皿は底部に多数の通水用の孔２４、２４を有し、これらの孔から水を滴下せしめて還気側熱交換器１０の表面を流下させる構成となっていて、孔の数や径によって水の滴下量を適宜設定できるようになっている。   FIG. 3 shows another example of the water supply means. In the example shown in FIG. 3, instead of the humidifier 21, a water receiving tray 23 serving as a water receiver is arranged above the return air side heat exchanger 10. The water receiving tray has a plurality of holes 24 and 24 for passing water at the bottom, and the surface of the return air side heat exchanger 10 flows down by dripping water from these holes. Thus, the amount of water dropped can be set as appropriate depending on the number and diameter of the holes.

図４は給水手段のさらに他の例を示すものであり、受水器を枠２５内に収容した保水性材２６で構成し、この保水性材上に供給した水が保水性材の飽和量を超えると下側から還気側熱交換器１０に滴下するようにしてある。
上記保水性材２６は、供給した水がほぼ均等に還気側熱交換器に滴下するものが好適であり、例えばウレタンフォーム等の発泡性樹脂材や海面等のスポンジ状のものを用いることができる。 FIG. 4 shows still another example of the water supply means, in which a water receiver is constituted by a water retention material 26 accommodated in a frame 25, and the water supplied on the water retention material is the saturation amount of the water retention material. If it exceeds, it will be dripped at the return air side heat exchanger 10 from the lower side.
The water-retaining material 26 is preferably one in which the supplied water drops almost uniformly on the return air side heat exchanger. For example, a foamable resin material such as urethane foam or a sponge-like material such as the sea surface is used. it can.

また、上述した給水手段のほかにも、ポンプやエジェクタを用いて強制的に凝縮水を還気側熱交換器１０の入口にスプレーする構成とする場合もあるし、還気側熱交換器の上流側において凝縮水を水幕状に滴下する構成とする場合もある。   In addition to the water supply means described above, there may be a configuration in which condensed water is forcibly sprayed to the inlet of the return air side heat exchanger 10 using a pump or an ejector. There is a case where the condensed water is dropped in a water curtain shape on the upstream side.

本発明に係る装置の実施例の構成を示す系統図。The system diagram which shows the structure of the Example of the apparatus which concerns on this invention. 本発明の作用を説明するための湿り空気線図。The wet air diagram for demonstrating the effect | action of this invention. 給水手段の他の例を示す還気側熱交換器まわりの拡大図。The enlarged view around the return air side heat exchanger which shows the other example of a water supply means. 給水手段のさらに他の例を示す還気側熱交換器まわりの拡大図。The enlarged view around the return air side heat exchanger which shows the further another example of a water supply means.

符号の説明Explanation of symbols

１ ケーシング
２ 給気流路
３ 還気流路
４ 全熱交換器
５ フィルタ
６ 加湿器
７ 給気側熱交換器
８ 送風機
９ フィルタ
１０ 還気側熱交換器
１１ 送風機
１２ 圧縮機
１３ 四方弁
１４ アキュムレータ
１５、１６ 膨張弁
１７、１８ 逆止弁
１９ ドレンパン
２０ 送水管
２１ 凝縮水用の加湿器
２２ ドレンパン
２３ 受水皿
２４ 通水用の孔
２５ 枠
２６ 保水性材 DESCRIPTION OF SYMBOLS 1 Casing 2 Supply air flow path 3 Return air flow path 4 Total heat exchanger 5 Filter 6 Humidifier 7 Supply air side heat exchanger 8 Blower 9 Filter 10 Return air side heat exchanger 11 Blower 12 Compressor 13 Four-way valve 14 Accumulator 15, 16 Expansion valves 17 and 18 Check valve 19 Drain pan 20 Water supply pipe 21 Humidifier 22 for condensed water Drain pan 23 Water receiving tray 24 Water passage hole 25 Frame 26 Water retaining material

Claims (6)

ケーシング内に、外気入口から被空調室への給気口に至る給気流路と、被空調室からの還気口から排気口に至る還気流路を有し、前記給気流路に設けた給気側熱交換器と、前記還気流路に設けた還気側熱交換器とに対し、圧縮機からの冷媒を前記還気側熱交換器と給気側熱交換器の順またはその逆に流通せしめて被空調室に対する冷房運転と暖房運転を切替えて行うように構成したヒートポンプ式空気調和装置において、
前記給気側熱交換器の下方に設けたドレンパンと、前記還気側熱交換器まわりに水を供給する給水手段と、前記ドレンパンで捕集したドレン水を前記給水手段に送る送水手段を備えてなるヒートポンプ式空気調和装置。 The casing has an air supply channel from the outside air inlet to the air supply port to the air-conditioned room, and a return air channel from the return air port to the air-conditioned room to the exhaust port, and is provided in the air supply channel. For the air side heat exchanger and the return air side heat exchanger provided in the return air flow path, the refrigerant from the compressor is transferred in the order of the return air side heat exchanger and the supply air side heat exchanger or vice versa. In a heat pump air conditioner configured to circulate and switch between cooling operation and heating operation for the air-conditioned room,
A drain pan provided below the air supply side heat exchanger, water supply means for supplying water around the return air side heat exchanger, and water supply means for sending drain water collected by the drain pan to the water supply means A heat pump air conditioner. 前記給水手段は、還気側熱交換器の上流側に設けた加湿器で構成してなる請求項１に記載のヒートポンプ式空気調和装置。   The heat pump air conditioner according to claim 1, wherein the water supply means is configured by a humidifier provided on the upstream side of the return air side heat exchanger. 前記給水手段は、還気側熱交換器の上方に設けた受水器から還気側熱交換器に水を滴下させるように構成してなる請求項１に記載のヒートポンプ式空気調和装置。   The heat pump air conditioner according to claim 1, wherein the water supply means is configured to drop water from a water receiver provided above the return air side heat exchanger to the return air side heat exchanger. 前記受水器は、底部に多数の通水孔を有する皿状のものとしてあり、前記通水孔から還気側熱交換器に水を滴下させるように構成してなる請求項３に記載のヒートポンプ式空気調和装置。   The said water receiver is made into the dish-shaped thing which has many water flow holes in the bottom part, and is comprised so that water may be dripped from the said water flow hole to a return air side heat exchanger. Heat pump type air conditioner. 前記受水器は、保水性材料よりなり、この保水性材料の保水量を超えた水が還気側熱交換器に滴下して供給されるように構成してなる請求項３に記載のヒートポンプ式空気調和装置。   4. The heat pump according to claim 3, wherein the water receiver is made of a water retentive material, and water that exceeds the water retentivity of the water retentive material is supplied dropwise to the return air side heat exchanger. Air conditioner. 前記給気流路における給気側熱交換器の上流部と、前記還気流路における還気側熱交換器の上流部に、給気流路と還気流路を跨ぐ全熱交換器を備えてなる請求項１に記載のヒートポンプ式空気調和装置。   A total heat exchanger straddling the supply air channel and the return air channel is provided at an upstream portion of the supply air side heat exchanger in the supply air channel and an upstream portion of the return air side heat exchanger in the return air channel. Item 2. A heat pump type air conditioner according to Item 1.
JP2005165303A 2005-06-06 2005-06-06 Heat pump type air conditioner Pending JP2006336999A (en)

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JP2010002156A (en) * 2008-06-23 2010-01-07 Toyo Eng Works Ltd Heat pump type air conditioner
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CN103712301A (en) * 2013-12-26 2014-04-09 中机中联工程有限公司 Composite evaporation cold type temperature-humidity-separate-control air processor
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CN104676761A (en) * 2015-03-09 2015-06-03 黎雅伟 Indoor air supply device
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JP2016035380A (en) * 2009-11-19 2016-03-17 フィパック・リサーチ・アンド・ディベロップメント・カンパニー Method and apparatus for operating ducted fumehoods with increased energy efficiency
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CN107036198A (en) * 2017-03-21 2017-08-11 李元哲 Air source heat pump New-air purifying system
US9772124B2 (en) 2013-03-13 2017-09-26 Nortek Air Solutions Canada, Inc. Heat pump defrosting system and method
US9885486B2 (en) 2010-08-27 2018-02-06 Nortek Air Solutions Canada, Inc. Heat pump humidifier and dehumidifier system and method
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US10274210B2 (en) 2010-08-27 2019-04-30 Nortek Air Solutions Canada, Inc. Heat pump humidifier and dehumidifier system and method
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JP2009198023A (en) * 2008-02-19 2009-09-03 Toyo Eng Works Ltd Heat pump type air conditioning device
JP2010002156A (en) * 2008-06-23 2010-01-07 Toyo Eng Works Ltd Heat pump type air conditioner
JP2016035380A (en) * 2009-11-19 2016-03-17 フィパック・リサーチ・アンド・ディベロップメント・カンパニー Method and apparatus for operating ducted fumehoods with increased energy efficiency
US9885486B2 (en) 2010-08-27 2018-02-06 Nortek Air Solutions Canada, Inc. Heat pump humidifier and dehumidifier system and method
US10274210B2 (en) 2010-08-27 2019-04-30 Nortek Air Solutions Canada, Inc. Heat pump humidifier and dehumidifier system and method
US9920960B2 (en) 2011-01-19 2018-03-20 Nortek Air Solutions Canada, Inc. Heat pump system having a pre-processing module
CN105202795A (en) * 2011-01-19 2015-12-30 北狄空气应对加拿大公司 Heat pump system having a pre-processing module
CN102818325A (en) * 2012-08-17 2012-12-12 浙江天洲制冷机电有限公司 Air treatment heat pump unit
US10634392B2 (en) 2013-03-13 2020-04-28 Nortek Air Solutions Canada, Inc. Heat pump defrosting system and method
US9772124B2 (en) 2013-03-13 2017-09-26 Nortek Air Solutions Canada, Inc. Heat pump defrosting system and method
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CN103791570A (en) * 2014-01-14 2014-05-14 西安工程大学 Air conditioning device provided with evaporative condenser and ventilating system and used for power plant
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US10502437B2 (en) 2014-04-18 2019-12-10 Kyungdong Navien Co., Ltd Dehumidifying and cooling apparatus
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CN104061630A (en) * 2014-07-07 2014-09-24 叶立英 Unit type fresh air processing machine
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