JP2731608B2 - Air conditioner - Google Patents
Air conditionerInfo
- Publication number
- JP2731608B2 JP2731608B2 JP30330889A JP30330889A JP2731608B2 JP 2731608 B2 JP2731608 B2 JP 2731608B2 JP 30330889 A JP30330889 A JP 30330889A JP 30330889 A JP30330889 A JP 30330889A JP 2731608 B2 JP2731608 B2 JP 2731608B2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- refrigerant
- indoor
- way valve
- reheater
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
【発明の詳細な説明】 [産業上の利用分野] 本発明は、空気調和装置に係り、特に、除湿時に再熱
用熱交換器に高温ガスを多く流すのに好適な、セパレー
ト形空冷式の空気調和装置に関するものである。Description: BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner, and more particularly to a separate air-cooling type suitable for flowing a large amount of high-temperature gas through a reheat heat exchanger during dehumidification. The present invention relates to an air conditioner.
[従来の技術] 再熱用熱交換器を備えた従来の空気調和装置につい
て、第3図を参照して説明する。[Prior Art] A conventional air conditioner provided with a reheat heat exchanger will be described with reference to FIG.
第3図は、従来の空気調和装置の冷凍サイクル系統図
である。FIG. 3 is a refrigeration cycle system diagram of a conventional air conditioner.
第3図において、1は圧縮機、2は四方弁、3は室外
側熱交換器、4は、減圧器に係るキャピラリチューブ、
5は室内側第1熱交換器、6Aは、室内側第2熱交換器に
係る再熱用熱交換器(以下再熱器という)、9はアキュ
ームレータ、16は、三方弁、17,18,19は減圧器に係るキ
ャピラリチューブである。In FIG. 3, 1 is a compressor, 2 is a four-way valve, 3 is an outdoor heat exchanger, 4 is a capillary tube relating to a decompressor,
5 is an indoor first heat exchanger, 6A is a reheat heat exchanger (hereinafter referred to as a reheater) related to the indoor second heat exchanger, 9 is an accumulator, 16 is a three-way valve, 17, 18, 19 is a capillary tube relating to the pressure reducer.
圧縮機1、四方弁2、室外側熱交換器3、キャピラリ
チュープ4、アキュームレータ9は室外側ユニットにあ
り、室内側第1熱交換器5、再熱器6A、三方弁16、キャ
ピラリチュープ17,18,19は室内側ユニットに配設されて
いる。The compressor 1, the four-way valve 2, the outdoor heat exchanger 3, the capillary tube 4, and the accumulator 9 are in the outdoor unit, and the indoor first heat exchanger 5, the reheater 6A, the three-way valve 16, the capillary tube 17, 18, 19 are arranged in the indoor unit.
冷房運転時は、室外側熱交換器3は凝縮器、室内側第
1熱交換器5,再熱器6Aは蒸発器として機能し、暖房運転
時は、室内側第1熱交換器5,再熱器6Aは凝縮器、室外側
熱交換器3は蒸発器として機能する。During the cooling operation, the outdoor heat exchanger 3 functions as a condenser, and the indoor first heat exchanger 5 and the reheater 6A function as an evaporator. During the heating operation, the indoor first heat exchanger 5 and the The heater 6A functions as a condenser, and the outdoor heat exchanger 3 functions as an evaporator.
除湿運転時、冷媒は、圧縮機1−四方弁2−室外側熱
交換器(凝縮器)3−キャピラリチューブ4−三方弁16
−再熱器6A−キャピラリチュープ19−室内側第1熱交換
器(蒸発器)5−四方弁2−アキュームレータ9−圧縮
機1のように流通する。すなわち、冷媒は再熱器6A,室
内側第1熱交換器5の順に直列に流れるように構成され
ている。During the dehumidifying operation, the refrigerant is supplied to the compressor 1-four-way valve 2-outdoor heat exchanger (condenser) 3-capillary tube 4-three-way valve 16
-Reheater 6A-Capillary tube 19-Indoor first heat exchanger (evaporator) 5-Four-way valve 2-Accumulator 9-Compressor 1 flows. That is, the refrigerant is configured to flow in series in the order of the reheater 6A and the indoor first heat exchanger 5.
また、従来の他の例として、蒸発器を再熱用熱交換器
と冷却用熱交換器の2種類設け、受液器で気液分離した
ガス冷媒を再熱用熱交換器へ、液冷媒を冷却用熱交換器
へそれぞれ流して除湿運転を行うようにしたものにおい
て、ガス冷媒の系路中に四方弁を介在させ、除湿運転時
には、ガス冷媒を再熱用熱交換器へ流入させ凝縮器とし
て作用させるとともに冷房運転時には四方弁を切換える
ことによりガス冷媒が再熱用熱交換器へ流れるのを停止
し再熱用熱交換器へも冷却用熱交換器同様に液冷媒が流
れ蒸発器として作用させる技術が、実開昭53−117056号
公報に記載されている。Further, as another conventional example, two types of evaporators, a reheat heat exchanger and a cooling heat exchanger, are provided, and the gas refrigerant separated into gas and liquid by the receiver is supplied to the reheat heat exchanger. To the heat exchanger for cooling to perform the dehumidification operation, a four-way valve is interposed in the system path of the gas refrigerant, and during the dehumidification operation, the gas refrigerant flows into the heat exchanger for reheating and condenses The gas refrigerant stops flowing to the reheat heat exchanger by switching the four-way valve during cooling operation, and the liquid refrigerant flows to the reheat heat exchanger in the same way as the cooling heat exchanger during cooling operation. A technique for acting as described in JP-A-53-117056.
[発明が解決しようとする課題] 第3図に示す従来の空気調和装置においては、再熱器
6Aを流通する冷媒はすべて三方弁16を通り、圧力損失が
大となり冷凍サイクルの性能を低下させる問題があっ
た。[Problem to be Solved by the Invention] In the conventional air conditioner shown in FIG.
All of the refrigerant flowing through 6A passes through the three-way valve 16, causing a large pressure loss and causing a problem of lowering the performance of the refrigeration cycle.
また、第3図に示すように、室内ユニット側に三方弁
16、および3個の減圧器(キャピラリチューブ17,18,1
9)を有しており、除湿時は気液混合状態の冷媒が前記
室内の3個のキャピラリチューブの内のキャピラリチュ
ーブ19のみを流れるため、冷媒音が大きくなるという問
題があった。一般に弁は、液の流通を前提に設計してお
り、気,液混合状態で流通する場合、騒音を発生するも
のである。As shown in FIG. 3, a three-way valve is provided on the indoor unit side.
16, and 3 decompressors (capillary tubes 17, 18, 1
Since the refrigerant in the gas-liquid mixed state flows only through the capillary tube 19 among the three capillary tubes in the chamber during dehumidification, there is a problem in that the refrigerant noise increases. Generally, the valve is designed on the premise of the flow of liquid, and generates noise when flowing in a mixed state of gas and liquid.
さらに、実開昭53−117056号公報記載の技術において
も同様に、四方弁による圧力損失の問題、四方弁および
4個のキャピラリチューブにより騒音について配慮され
ていなかった。Furthermore, in the technology described in Japanese Utility Model Application Laid-Open No. 53-117056, the problem of pressure loss due to the four-way valve, and noise due to the four-way valve and four capillary tubes have not been taken into consideration.
本発明は、上記従来技術の問題点を解決するためにな
されたもので、室温の低下や変動の少ない快適な除湿、
特に冷房気味除湿、暖房気味除湿を可能とするととも
に、圧力損失が少なく冷凍サイクル性能を良くし、室内
側における冷媒音を低減しうる空気調和装置を提供する
ことを、その目的とするものである。The present invention has been made in order to solve the above-described problems of the prior art, a comfortable dehumidification of less room temperature and less fluctuation,
In particular, it is an object of the present invention to provide an air conditioner that enables cooling dehumidification and heating dehumidification, improves the refrigeration cycle performance with less pressure loss, and can reduce the refrigerant noise on the indoor side. .
また、他の目的は、暖房運転時に、再熱器を冷媒溜め
として機能させることにより、冷媒量の自動調整がなさ
れ、最適サイクルの形成を可能とすることである。Another object of the present invention is to make the reheater function as a refrigerant reservoir during a heating operation, thereby automatically adjusting the amount of the refrigerant, thereby enabling an optimal cycle to be formed.
[課題を解決するための手段] 上記目的を達成するために、本発明に係る空気調和装
置の構成は、圧縮機、四方弁、室外熱交換器、室内熱交
換器、減圧手段、及びこれらを接続して冷凍サイクルを
構成する配管から成る空気調和装置において、除湿運転
時に、前記室外側熱交換器からの冷媒を分配して室内熱
交換器に並列に流す分配器と、上記並列の流れの内の一
方の流れを配管の分配器と室内熱交換器の冷媒流入側と
の間に位置に介在された減圧手段と、もう一方の流れの
配管の四方弁と室内熱交換器との間に位置に介在された
減圧手段とを有し、上記室内熱交換器の一方の流れが冷
却用として機能し、他方の流れが再熱用として機能する
ようにしたものである。[Means for Solving the Problems] In order to achieve the above object, a configuration of an air conditioner according to the present invention includes a compressor, a four-way valve, an outdoor heat exchanger, an indoor heat exchanger, a decompression unit, and In an air conditioner comprising pipes connected to form a refrigeration cycle, during a dehumidifying operation, a distributor that distributes refrigerant from the outdoor heat exchanger and flows it in parallel to the indoor heat exchanger, One of the flows in the pressure reducing means interposed between the pipe distributor and the refrigerant inflow side of the indoor heat exchanger, and between the four-way valve of the other flow pipe and the indoor heat exchanger And a pressure reducing means interposed at a position, wherein one flow of the indoor heat exchanger functions for cooling and the other flow functions for reheating.
また、分配器は、その分配部を重力方向に上下に位置
され、上側が再熱用配管に接続され、下側が冷却用配管
に接続されて成るものである。In addition, the distributor is configured such that its distributor is positioned up and down in the direction of gravity, the upper side is connected to a pipe for reheating, and the lower side is connected to a pipe for cooling.
[作用] 上記技術的手段による働きは下記のとおりである。[Operation] The operation of the above technical means is as follows.
(1)並列に配管された室内熱交換器の再熱器と、冷却
器(蒸発器)とに並列に冷媒を流すことにより、室温の
低下および変動の少ない除湿を行なうことができる。(1) By flowing the refrigerant in parallel to the reheater of the indoor heat exchanger and the cooler (evaporator) connected in parallel, it is possible to perform the dehumidification with a lowering of the room temperature and less fluctuation.
(2)再熱器に暖かい冷媒ガスを送り、上記(1)のよ
うに蒸発器,再熱器に冷媒を並列に流すことにより、暖
房気味除湿が可能である。(2) By sending a warm refrigerant gas to the reheater and flowing the refrigerant in parallel to the evaporator and the reheater as in (1) above, it is possible to dehumidify the heating.
また、除湿用熱交換器として機能する蒸発器のみに冷
媒を流すことにより、冷房気味除湿が可能である。In addition, by flowing the refrigerant only to the evaporator functioning as a dehumidifying heat exchanger, it is possible to perform dehumidification with cooling.
(3)前記の再熱器,蒸発器の配管分岐部を分配器と
し、その分配部を重力方向に上下に位置させることによ
り、再熱用熱交換器である再熱器には高温ガスを送り込
み再熱の効果を上げるとともに、除湿用熱交換器となる
室内側第1熱交換器(蒸発器)には液冷媒を送り込み除
湿量を多くすることができる。(3) The pipe branch of the reheater and the evaporator is a distributor, and the distributor is positioned up and down in the direction of gravity, so that high-temperature gas is supplied to the reheater, which is a reheat heat exchanger. In addition to improving the effect of feeding reheating, the liquid refrigerant can be sent to the indoor-side first heat exchanger (evaporator) serving as the dehumidifying heat exchanger to increase the dehumidifying amount.
[実施例] 以下、本発明の一実施例を第1図および第2図を参照
して説明する。[Embodiment] An embodiment of the present invention will be described below with reference to FIG. 1 and FIG.
第1図は、本発明の一実施例に係る空気調和装置の冷
凍サイクル系統図、第2図は、第1図の装置による冷
房,暖房,除湿運転時の弁,熱交換器の作用を示す説明
図である。FIG. 1 is a refrigeration cycle system diagram of an air conditioner according to one embodiment of the present invention, and FIG. 2 shows the operation of valves and heat exchangers during cooling, heating, and dehumidifying operations by the device of FIG. FIG.
第1図において、1は、インバータ制御等によって回
転数可変可能な圧縮機、2は、冷媒流路方向を切換える
四方弁、3は室外側熱交換器、4は、減圧器に係るキャ
ピラリチューブ、9はアキュームレータで、これらは室
外ユニットに配設される。In FIG. 1, 1 is a compressor whose rotation speed is variable by inverter control or the like, 2 is a four-way valve for switching the refrigerant flow direction, 3 is an outdoor heat exchanger, 4 is a capillary tube relating to a decompressor, Reference numeral 9 denotes an accumulator, which is provided in an outdoor unit.
5は、除湿用熱交換器となるべき室内側第1熱交換
器、6は、再熱用熱交換器となるべき室内側第2熱交換
器(以下再熱器という)、7は、室内側第1熱交換器側
の減圧器に係るキャピラリチューブ、8は、再熱器側の
減圧器に係るキャピラリチューブ、10は、室内側第1熱
交換器5と再熱器6とを並列に配管接続される分岐部に
設けた分配器である。11は、室内側第1熱交換器5側の
配管、12は、再熱器6側の配管を示し、両配管11,12
は、分配器10で分岐され合流部15で合流されている。5 is an indoor first heat exchanger to be a heat exchanger for dehumidification, 6 is an indoor second heat exchanger (hereinafter referred to as a reheater) to be a heat exchanger for reheating, and 7 is a room. A capillary tube related to the decompressor on the inner first heat exchanger side, 8 is a capillary tube related to the decompressor on the reheater side, and 10 is a parallel connection of the indoor first heat exchanger 5 and the reheater 6. This is a distributor provided at a branch connected to a pipe. Reference numeral 11 denotes a pipe on the indoor first heat exchanger 5 side, and reference numeral 12 denotes a pipe on the reheater 6 side.
Are branched at the distributor 10 and merged at the merging section 15.
ここで、分配器10は、その分配部を重力方向に上下に
位置させたもので、上側を再熱器6側の配管12に、下側
の室内側第1熱交換器5側の配管11に接続している。Here, the distributor 10 has its distribution part positioned vertically above and below in the direction of gravity. The upper side is connected to the pipe 12 on the side of the reheater 6, and the lower side is connected to the pipe 11 on the side of the first indoor heat exchanger 5. Connected to
13は、分配器10と再熱器6との間の配管12に設けた二
方弁(開閉弁)、14は逆止弁である。Reference numeral 13 denotes a two-way valve (open / close valve) provided in the pipe 12 between the distributor 10 and the reheater 6, and reference numeral 14 denotes a check valve.
すなわち、第1図に示すように、配管11側は、分配弁
10からキャピラリチューブ7,室内側第1熱交換器を経て
合流部15に至り、配管12側は、分配弁10から二方弁13,
逆止弁14,再熱器6,キャピラリチューブ8を経て合流部1
5に至る機器配置となっており、これらは室内ユニット
に配設されている。That is, as shown in FIG.
10 to the junction 15 via the capillary tube 7 and the indoor first heat exchanger, and the pipe 12 side is connected to the two-way valve 13,
Junction 1 via check valve 14, reheater 6, and capillary tube 8
There are equipment arrangements up to 5, which are arranged in indoor units.
なお、第1図では、減圧器はキャピラリチューブの例
を示したが、電動式膨張弁を採用してもよいことは言う
までもない。Although FIG. 1 shows an example in which the pressure reducer is a capillary tube, it goes without saying that an electric expansion valve may be employed.
また、図示を省略しているが、室外側熱交換器3近傍
には回転数可変可能な室外側送風機、室内側第1,第2熱
交換器近傍には室内側送風機が配設されていることは言
うまでもない。Although not shown, an outdoor blower whose rotation speed is variable near the outdoor heat exchanger 3 and an indoor blower near the indoor first and second heat exchangers are arranged. Needless to say.
次に、本実施例のセパレート形空冷ヒートポンプ式空
気調和装置の作用を説明する。Next, the operation of the separate type air-cooled heat pump type air conditioner of this embodiment will be described.
冷房運転時には、第2図に示すように二方弁13を閉
じ、室内側第1熱交換器5は蒸発器として作用(○
印)、再熱器6は作用せず(×印)、室外側熱交換器3
は凝縮器として作用する。During the cooling operation, the two-way valve 13 is closed as shown in FIG. 2, and the first indoor heat exchanger 5 acts as an evaporator (().
), The reheater 6 does not work (x), and the outdoor heat exchanger 3
Acts as a condenser.
冷媒は、圧縮機1−四方弁2−室外側熱交換器3−キ
ャピラリチューブ4,7−室内側第1熱交換器5−四方弁
2−アキュームレータ9−圧縮機1のように流通する。The refrigerant flows like compressor 1-four-way valve 2-outdoor heat exchanger 3-capillary tube 4, 7-indoor first heat exchanger 5-four-way valve 2-accumulator 9-compressor 1.
一方、暖房運転時には、第2図に示すように二方弁13
を閉じ、室内側第1熱交換器5は凝縮器として作用(○
印)、再熱器6は冷媒液溜め(△印)、室外側熱交換器
3は蒸発器として作用する。On the other hand, during the heating operation, as shown in FIG.
And the first indoor heat exchanger 5 acts as a condenser (凝縮).
), The reheater 6 acts as a refrigerant reservoir (△), and the outdoor heat exchanger 3 acts as an evaporator.
冷媒は、圧縮機1−四方弁2−室内側第1熱交換器5
−キャピラリチューブ7,4−室外側熱交換器3−四方弁
2−アキュームレータ9−圧縮機1のように流通する。The refrigerant is supplied to the compressor 1-the four-way valve 2-the indoor first heat exchanger 5
It circulates like a capillary tube 7,4, an outdoor heat exchanger 3, a four-way valve 2, an accumulator 9, and a compressor 1.
この暖房運転時には、再熱器6へはキャピラリチュー
ブ8を経た冷媒ガスが流れ込み外気と熱交換が行われる
が、逆止弁14,二方弁13が閉じているので再熱器6部に
冷媒液が溜まることになる。暖房運転の立上りのときに
冷媒液が再熱器6部に溜まり、サイクル系には循環流通
冷媒が少ない。室内が暖かくなると、再熱器6部の冷媒
液は少なくなりサイクル系に冷媒液が多くなって暖房サ
イクルが形成される。During this heating operation, the refrigerant gas flowing through the capillary tube 8 flows into the reheater 6 and exchanges heat with the outside air. However, since the check valve 14 and the two-way valve 13 are closed, the refrigerant is supplied to the reheater 6 part. The liquid will accumulate. At the start of the heating operation, the refrigerant liquid accumulates in the reheater 6 and the circulation system has little circulating refrigerant. When the room becomes warm, the refrigerant liquid in the reheater 6 decreases, and the refrigerant liquid increases in the cycle system, thereby forming a heating cycle.
このように、再熱器6は冷媒溜めとして機能して循環
流通冷媒量の自動調整が行われ、最適な暖房サイクル形
成が可能となり、暖房運転時における本実施例特有の効
果がある。As described above, the reheater 6 functions as a refrigerant reservoir, and the amount of the circulating refrigerant is automatically adjusted, so that an optimal heating cycle can be formed. This has an effect unique to the present embodiment during the heating operation.
次に、除湿運転時には、第2図に示すように二方弁13
を開き、室内側第1熱交換器5および再熱器6は並列に
除湿再熱作用が行われる(○印)。Next, during the dehumidifying operation, as shown in FIG.
And the indoor-side first heat exchanger 5 and the reheater 6 perform a dehumidifying and reheating action in parallel (indicated by a circle).
圧縮機1を吐出された高温,高圧の冷媒ガスは四方弁
2を経て室外側熱交換器3で外気と熱交換して凝縮し、
キャピラリチューブ4で減圧され気液混合状態で分配器
10至る。The high-temperature, high-pressure refrigerant gas discharged from the compressor 1 passes through the four-way valve 2 and exchanges heat with the outside air in the outdoor heat exchanger 3 to condense.
The pressure is reduced by the capillary tube 4 and the distributor is in a gas-liquid mixed state.
Reaches 10
分配器10では、重力方向に上下に位置させた分配部の
上側の配管12に暖かいガス分が流れ込む。In the distributor 10, a warm gas component flows into the piping 12 above the distribution unit positioned vertically in the direction of gravity.
同時に、重力方向に上下に位置させた分配部の下側の
配管11には液分が流れ込む。At the same time, a liquid component flows into the pipe 11 below the distribution section positioned vertically in the direction of gravity.
配管11に流れ込んだ液冷媒はキャピラリチューブ7で
さらに減圧され除湿用熱交換器となる室内側第1熱交換
器(蒸発器)5を流通して室内空気と熱交換し除湿量を
多く取ることができる。The liquid refrigerant flowing into the pipe 11 is further decompressed by the capillary tube 7 and flows through the indoor first heat exchanger (evaporator) 5 serving as a dehumidifying heat exchanger to exchange heat with indoor air to obtain a large amount of dehumidification. Can be.
一方、配管12に流れ込んだガス冷媒は二方弁13,逆止
弁14を経て再熱用熱交換器である再熱器6を流通して、
室内側第1熱交換器5で除湿され冷却された室内空気を
再熱して、室内に快適な除湿空気を供給する。再熱器6
を通過したガス冷媒はさらにキャピラリチューブ8で減
圧され低温低圧の冷媒ガスとなり、配管11側の冷媒ガス
と合流部15で合流し四方弁2、アキュームレータ9を経
て圧縮機1へ戻る。On the other hand, the gas refrigerant flowing into the pipe 12 flows through the reheater 6, which is a reheat heat exchanger, via the two-way valve 13 and the check valve 14,
The indoor air dehumidified and cooled in the indoor first heat exchanger 5 is reheated to supply comfortable dehumidified air to the room. Reheater 6
The gas refrigerant that has passed through is further decompressed by the capillary tube 8 to become a low-temperature low-pressure refrigerant gas, merges with the refrigerant gas on the pipe 11 at the junction 15, and returns to the compressor 1 via the four-way valve 2 and the accumulator 9.
このように、二方弁13を開いて再熱器6に暖い冷媒ガ
スを送り再熱効率を上げることにより室内に快適な暖い
除湿空気が供給され、暖房気味除湿が行なわれる。In this way, by opening the two-way valve 13 and sending warm refrigerant gas to the reheater 6 to increase the reheating efficiency, comfortable warm dehumidified air is supplied into the room, and heating dehumidification is performed.
また、除湿運転において、二方弁13を閉じ、再熱器6
に冷媒を送らないようにして室内側第1熱交換器5で除
湿すれば室内にひんやりした除湿空気が供給され、冷房
気味除湿が行なわれる。In the dehumidifying operation, the two-way valve 13 is closed and the reheater 6 is closed.
When the dehumidification is performed in the indoor first heat exchanger 5 without sending the refrigerant to the room, cool dehumidified air is supplied into the room, and cooling-type dehumidification is performed.
本実施例によれば次の効果がある。 According to this embodiment, the following effects can be obtained.
(1)再熱器6と、これを機能させるか否かを決める二
方弁13とを設けることにより、室内側第1熱交換器(蒸
発器)5と再熱器6とに並列に冷媒を流すことにより、
暖房気味除湿が可能であり、二方弁13を閉じ室内側第1
熱交換器(蒸発器)5のみに冷媒を流すことにより冷房
気味除湿が可能である。要するに室温の低下および変動
の少ない除湿を行うことができる。(1) By providing the reheater 6 and the two-way valve 13 for deciding whether or not to function the refrigerant, the refrigerant is connected in parallel to the indoor first heat exchanger (evaporator) 5 and the reheater 6. By flowing
Heating dehumidification is possible, and the two-way valve 13 is closed,
Cooling and dehumidification is possible by flowing the refrigerant only through the heat exchanger (evaporator) 5. In short, it is possible to perform the dehumidification with a reduced room temperature and little fluctuation.
(2)室内側第1熱交換器5,再熱器6の配管系の分岐部
を分配器10とし、その分配部を重力方向に上下に位置さ
せることにより、再熱器6に高温ガスを送り込み再熱の
効果をあげるとともに、室内側第1熱交換器5には液冷
媒を送り込み除湿量を多く取ることができる。(2) The branch part of the piping system of the indoor first heat exchanger 5 and the reheater 6 is used as a distributor 10, and the distribution part is positioned vertically above and below in the direction of gravity, so that high-temperature gas is supplied to the reheater 6. In addition to increasing the effect of feeding and reheating, the liquid refrigerant can be sent to the indoor first heat exchanger 5 to increase the amount of dehumidification.
(3)第3図に示した従来技術の三方弁が無く、二方弁
となるので圧力損失が少なくなり、冷凍サイクル性能を
良くすることができる。(3) Since the conventional three-way valve shown in FIG. 3 does not have the three-way valve and is a two-way valve, the pressure loss is reduced and the refrigeration cycle performance can be improved.
(4)除湿時に、第3図の従来例は、室内側の3個の減
圧器の内の1個のみを冷媒が流れるのに対して、本発明
の第1図の実施例では、室内側の減圧器の2個に並列に
流れるので冷媒音を低減することができる。(4) In the conventional example shown in FIG. 3, the refrigerant flows through only one of the three decompressors on the indoor side during dehumidification, whereas in the embodiment shown in FIG. Since the refrigerant flows in parallel to the two pressure reducers, the refrigerant noise can be reduced.
[発明の効果] 以上詳細に説明したように、本発明によれば、室温の
低下や変動の少ない快適な除湿、特に冷房気味除湿、暖
房気味除湿を可能とするとともに、圧力損失が少なく冷
凍サイクル性能を良くし、室内側における冷媒音を低減
しうる空気調和装置を提供することができる。[Effects of the Invention] As described above in detail, according to the present invention, it is possible to perform comfortable dehumidification with a reduced room temperature and little fluctuation, in particular, dehumidification for cooling and dehumidification for heating, and a refrigeration cycle with low pressure loss. It is possible to provide an air conditioner having improved performance and capable of reducing refrigerant noise on the indoor side.
第1図は、本発明の一実施例に係る空気調和装置の冷凍
サイクルの系統図、第2図は、第1図の装置による冷
房,暖房,除湿運転時の弁,熱交換器の作用を示す説明
図、第3図は、従来の空気調和装置の冷凍サイクル系統
図である。 1……圧縮機、2……四方弁、3……室外側熱交換器、
4,7,8……キャピラリチューブ、5……室内側第1熱交
換器、6……再熱器、10……分配器、11,12……配管、1
3……二方弁。FIG. 1 is a system diagram of a refrigeration cycle of an air conditioner according to one embodiment of the present invention, and FIG. 2 is a diagram showing the operation of valves and heat exchangers during cooling, heating, and dehumidifying operations by the device of FIG. FIG. 3 is a diagram showing a refrigeration cycle system of a conventional air conditioner. 1 ... Compressor, 2 ... Four-way valve, 3 ... Outdoor heat exchanger,
4, 7, 8… Capillary tube, 5… Indoor first heat exchanger, 6… Reheater, 10… Distributor, 11, 12… Piping, 1
3 Two-way valve.
───────────────────────────────────────────────────── フロントページの続き (72)発明者 小暮 博志 栃木県下都賀郡大平町大字富田800番地 株式会社日立製作所栃木工場内 (72)発明者 小池 忠夫 栃木県下都賀郡大平町大字富田800番地 株式会社日立製作所栃木工場内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Hiroshi Kogure 800, Tomita, Ohira-machi, Ohira-machi, Shimotsuga-gun, Tochigi Inside the Tochigi Plant of Hitachi, Ltd. Hitachi, Tochigi factory
Claims (2)
換器、減圧手段、及びこれらを接続して冷凍サイクルを
構成する配管から成る空気調和装置において、 除湿運転時に、 前記室外側熱交換器からの冷媒を分配して室内熱交換器
に並列に流す分配器と、上記並列の流れの内の一方の流
れの配管の分配器と室内熱交換器の冷媒流入側との間の
位置に介在された減圧手段と、もう一方の流れの配管の
四方弁と室内熱交換器との間の位置に介在された減圧手
段とを有し、上記室内熱交換器の一方の流れが冷却用と
して機能し、上記もう一方の流れが再熱用として機能す
ることを特徴とする空気調和装置。1. An air conditioner comprising a compressor, a four-way valve, an outdoor heat exchanger, an indoor heat exchanger, a pressure reducing means, and a pipe connecting these to form a refrigeration cycle. A distributor that distributes the refrigerant from the heat exchanger and flows it in parallel to the indoor heat exchanger, and between the distributor of the pipe for one of the parallel flows and the refrigerant inflow side of the indoor heat exchanger A pressure reducing means interposed at the position, and a pressure reducing means interposed between the four-way valve of the other flow pipe and the indoor heat exchanger, and one flow of the indoor heat exchanger is cooled. An air conditioner, wherein the other stream functions as a reheat.
向に上下に位置され、 上側が再熱用配管に接続され、下側が冷却用配管に接続
されて成ることを特徴とする空気調和装置。2. The distributor according to claim 1, wherein the distributor is disposed vertically in the direction of gravity, the upper side is connected to a reheating pipe, and the lower side is connected to a cooling pipe. Air conditioner.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30330889A JP2731608B2 (en) | 1989-11-24 | 1989-11-24 | Air conditioner |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP30330889A JP2731608B2 (en) | 1989-11-24 | 1989-11-24 | Air conditioner |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH03164666A JPH03164666A (en) | 1991-07-16 |
JP2731608B2 true JP2731608B2 (en) | 1998-03-25 |
Family
ID=17919398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP30330889A Expired - Fee Related JP2731608B2 (en) | 1989-11-24 | 1989-11-24 | Air conditioner |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2731608B2 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3233447B2 (en) * | 1992-06-02 | 2001-11-26 | 東芝キヤリア株式会社 | Air conditioner |
KR101443645B1 (en) * | 2012-02-07 | 2014-09-23 | 엘지전자 주식회사 | Air conditoner for electric vehicle |
EP4269897A4 (en) * | 2020-12-28 | 2024-03-06 | Mitsubishi Electric Corporation | Air conditioner and indoor unit |
-
1989
- 1989-11-24 JP JP30330889A patent/JP2731608B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH03164666A (en) | 1991-07-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN103062851B (en) | Air-conditioning system and dehumanization method thereof | |
JPH05264133A (en) | Air conditioner | |
KR100225636B1 (en) | Airconditioner for both cooling and warming | |
CN107305074B (en) | Temperature and humidity independent control air conditioning system | |
JP2731608B2 (en) | Air conditioner | |
CN111811036A (en) | Dehumidification and reheating multi-connected air conditioning system and control method thereof | |
CN215892840U (en) | Energy-saving dehumidifying refrigeration heat exchange device | |
JPH0544675Y2 (en) | ||
JPH0420764A (en) | Air conditioner | |
CN206755650U (en) | A kind of heat pump system with dual-temperature heat sources | |
JPH0426847Y2 (en) | ||
JPH10196984A (en) | Air conditioner | |
CN112797657A (en) | Air conditioner and control method thereof | |
CN220689309U (en) | Three-tube multifunctional refrigerating device with heat recovery function | |
JPS6146347Y2 (en) | ||
JPH08338668A (en) | Multi-room type air conditioner | |
CN213178883U (en) | Air conditioner | |
CN113218102B (en) | Heat pump system based on three devices and defrosting method thereof | |
JP2915076B2 (en) | Air conditioner | |
JPH11248290A (en) | Air conditioner | |
JPH025323Y2 (en) | ||
JP2522360B2 (en) | Air conditioner | |
KR200178070Y1 (en) | Heat exchanger for both cooling and heating | |
JPH0510191Y2 (en) | ||
CN118208788A (en) | Heat pump water system, control method, control device and computer readable storage medium |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Year of fee payment: 10 Free format text: PAYMENT UNTIL: 20071219 |
|
FPAY | Renewal fee payment (prs date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20081219 Year of fee payment: 11 |
|
LAPS | Cancellation because of no payment of annual fees |