JPS593351Y2 - Heat pump air conditioning system - Google Patents
Heat pump air conditioning systemInfo
- Publication number
- JPS593351Y2 JPS593351Y2 JP10173378U JP10173378U JPS593351Y2 JP S593351 Y2 JPS593351 Y2 JP S593351Y2 JP 10173378 U JP10173378 U JP 10173378U JP 10173378 U JP10173378 U JP 10173378U JP S593351 Y2 JPS593351 Y2 JP S593351Y2
- Authority
- JP
- Japan
- Prior art keywords
- heat exchanger
- outdoor heat
- heat pump
- heating
- pressure reducing
- 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
Links
Landscapes
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
【考案の詳細な説明】
本案はヒートポンプ式冷暖房装置に関し、特に暖房運転
を停止することなく室外側熱交換器の除霜を効率良くな
し得るようにしたものである。[Detailed Description of the Invention] The present invention relates to a heat pump air-conditioning and heating system, and is particularly designed to efficiently defrost an outdoor heat exchanger without stopping heating operation.
本案の一実施例を以下に図面に従い説明する。An embodiment of the present invention will be described below with reference to the drawings.
１は冷媒圧縮機、２は四方切換弁、３は気液分離器、４
は室内側熱交換器、５はキャピラリチューブよりなる冷
房用減圧装置、６は暖房時冷房用減圧装置５を側路する
逆止弁、７，８はキャピラリチューブよりなる第１、第
２暖房用減圧装置、９．１０は冷房時暖房用減圧装置７
，８を側路する逆止弁、１１．１２は第１、第２室外側
熱交換器、１３．１４は第１、第２室外側熱交換器１１
．１２の暖房時入口側に設けられる第１、第２除霜用三
方弁で、第１接続口１３ａ、１４ａが第２接続口１３ｂ
、１４ｂ或いは第３接続口１３Ｃ，１４ｃに選択的に連
通されるようになっている。1 is a refrigerant compressor, 2 is a four-way switching valve, 3 is a gas-liquid separator, 4
5 is an indoor heat exchanger, 5 is a cooling pressure reducing device made of a capillary tube, 6 is a check valve that bypasses the cooling pressure reducing device 5 during heating, and 7 and 8 are first and second heating devices made of capillary tubes. Pressure reducing device, 9.10 is pressure reducing device 7 for heating during cooling
, 8 are bypassed, 11.12 are the first and second outdoor heat exchangers, and 13.14 are the first and second outdoor heat exchangers 11.
．． The first and second defrosting three-way valves are provided on the heating inlet side of No. 12, and the first connection ports 13a and 14a are connected to the second connection port 13b.
, 14b or third connection ports 13C and 14c.
そして、第１接続口１３ ａ 、１４ ａを暖房時並び
に除霜時の室外側熱交換器１１．１２の入口側配管１８
．１９に、第２接続口１３ ｂ 、１４ ｂを第１、第
２暖房用減圧装置７，８の出口側配管２０．２１に、第
３接続口１３ Ｃ，１４Ｃを圧縮機１の吐出側管路１７
に接続された流量制御用キャピラリチューブ１５．１６
の出口側配管２２．２３に夫々接続されている。The first connection ports 13 a and 14 a are connected to the inlet side piping 18 of the outdoor heat exchanger 11 and 12 during heating and defrosting.
．． 19, the second connection ports 13 b and 14 b are connected to the outlet side pipes 20.21 of the first and second heating pressure reducing devices 7 and 8, and the third connection ports 13 C and 14C are connected to the discharge side pipes of the compressor 1. Road 17
Capillary tube for flow control connected to 15.16
are connected to outlet side pipes 22 and 23, respectively.
これ等の各要素は図示の如く連設され、環状のヒートポ
ンプ式冷媒回路が形成される。These elements are connected as shown in the figure to form an annular heat pump type refrigerant circuit.
そして、冷房時には第１図一点鎖線矢視の如く冷媒が流
れ、第１、第２室外側熱交換器１１．１２が凝縮器とし
て、室内側熱交換器４が蒸発器としてそれぞれ作用し室
内冷房がなされる。During cooling, the refrigerant flows as shown by the dashed-dotted line arrow in FIG. will be done.
又、暖房時には第１図実線矢視の如く冷媒が流れ、第１
、第２室外側熱交換器１１．１２が蒸発器として室内側
熱交換器４が凝縮器としてそれぞれ作用し室内暖房がな
される。Also, during heating, the refrigerant flows as shown by the solid line arrow in Figure 1, and the
, the second outdoor heat exchanger 11, 12 acts as an evaporator, and the indoor heat exchanger 4 acts as a condenser, thereby heating the room.
この暖房時室外側熱交換器１１．１２に着霜すると、先
ず第１除霜用三方弁１３を第１接続口１３ａと第３接続
口１３ Ｃとが連通ずる如く切換えると、第２図に矢視
にて示す如く圧縮機１より吐出高温ガス冷媒の一部が第
１室内側熱交換器１１に流入しこの熱交換器１１の除霜
がなされ、一方第２室外側熱交換器１２は蒸発器として
作用する。When frost forms on the outdoor heat exchangers 11 and 12 during heating, first the first defrosting three-way valve 13 is switched so that the first connection port 13a and the third connection port 13C communicate with each other, and as shown in FIG. As shown by the arrow, a part of the high temperature gas refrigerant discharged from the compressor 1 flows into the first indoor heat exchanger 11 to defrost the heat exchanger 11, while the second outdoor heat exchanger 12 Acts as an evaporator.
第１室外側熱交換器１１の除霜を終えると第１除霜用三
方弁１３を元の状態に切換え、第２除霜用三方弁１４を
第１接続口１４ａと第３接続口１４ Ｃとが連通ずる如
く切換えると、今度は第３図に矢視にて示す如く、圧縮
機１の高温ガス冷媒の一部が流れ第２室外側熱交換器１
２の除霜がなされる。When the defrosting of the first outdoor heat exchanger 11 is finished, the first three-way defrosting valve 13 is switched to its original state, and the second three-way defrosting valve 14 is connected to the first connection port 14a and the third connection port 14C. 3, a part of the high temperature gas refrigerant of the compressor 1 flows to the second outdoor heat exchanger 1
2 defrosting is performed.
斯る除霜時暖房運転は継続される。This heating operation during defrosting is continued.
尚、上記除霜の開始、終了の制御は熱交換器１１゜１２
のパイプ温度を検出して行うか、適宜のタイマ一手段に
より行うものである。The start and end of the defrosting process is controlled by the heat exchangers 11 and 12.
This can be done by detecting the pipe temperature, or by using an appropriate timer.
又、キャピラリチューブ１５．１６は第１図でＡ点及び
Ｂ点間に一本だけ設は共用できる。Also, only one capillary tube 15, 16 can be shared between points A and B in FIG.
上述の如く本案は構成されており、第１、第２室外側熱
交換器１１．１２の除霜は暖房運転を停止することなく
なし得ると共に、第１、第２室外側熱交換器１１．１２
の除霜は順次に行われ、がっ三方弁１３゜１４の作用に
より除霜中の熱交換器には高温冷媒しか流れないので効
率の良い除霜を期待できる。The present invention is configured as described above, and the first and second outdoor heat exchangers 11.12 can be defrosted without stopping the heating operation, and the first and second outdoor heat exchangers 11.12 can be defrosted without stopping the heating operation. 12
Defrosting is performed sequentially, and only high-temperature refrigerant flows into the heat exchanger during defrosting due to the action of the three-way valves 13 and 14, so efficient defrosting can be expected.
第１図は本案一実施例の冷媒回路図、第２図及び第３図
は同実施例の異なる作動状態を示す冷媒回路図である。
１・・・・・・圧縮機、２・・・・・・四方切換弁、４
・・・・・・室内側熱交換器、５，７．８・・・・・・
減圧装置、１１．１２・・・・・・第１、第２室外側熱
交換器、１３．１４・・・・・・三方弁、１５．１６・
・・・・・キャピラリチューブ。FIG. 1 is a refrigerant circuit diagram of an embodiment of the present invention, and FIGS. 2 and 3 are refrigerant circuit diagrams showing different operating states of the embodiment. 1... Compressor, 2... Four-way switching valve, 4
...Indoor heat exchanger, 5,7.8...
Pressure reducing device, 11.12...First and second outdoor heat exchangers, 13.14...Three-way valve, 15.16.
...Capillary tube.
Claims (1)
側熱交換器を環状に連設してヒートポンプ式冷媒回路を
構成するものにおいて、前記室外側熱交換器を第１室外
側熱交換器と第２室外側熱交換器とより構成し、第１、
第２室外側熱交換器の暖房時入口側にそれぞれ除霜用三
方弁を設け、該各除霜用三方弁の第１接続口を第１、第
２室外側熱交換器に、第２接続口を前記減圧装置に、第
３接続口を流量制御用のキャピラリチューブを介して前
記圧縮機の暖房時吐出側管路に夫々接続したことを特徴
とするヒートポンプ式冷暖房装置。A compressor, a four-way switching valve, an indoor heat exchanger, a pressure reducing device, and an outdoor heat exchanger are connected in a ring to constitute a heat pump type refrigerant circuit, and the outdoor heat exchanger is connected to a first outdoor heat exchanger. It consists of an exchanger and a second outdoor heat exchanger, the first,
A three-way defrosting valve is provided on the heating inlet side of the second outdoor heat exchanger, and the first connection port of each three-way defrosting valve is connected to the first and second outdoor heat exchangers. A heat pump type air-conditioning device characterized in that an opening is connected to the pressure reducing device, and a third connection port is connected to a heating discharge side conduit of the compressor via a capillary tube for flow rate control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10173378U JPS593351Y2 (en) | 1978-07-20 | 1978-07-20 | Heat pump air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10173378U JPS593351Y2 (en) | 1978-07-20 | 1978-07-20 | Heat pump air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5517198U JPS5517198U (en) | 1980-02-02 |
| JPS593351Y2 true JPS593351Y2 (en) | 1984-01-30 |
Family
ID=29040644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10173378U Expired JPS593351Y2 (en) | 1978-07-20 | 1978-07-20 | Heat pump air conditioning system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS593351Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2536201B1 (en) * | 1982-11-16 | 1985-07-19 | Fragema Framatome & Cogema | INSTALLATION FOR THE REPAIR OF NUCLEAR FUEL ASSEMBLIES |
-
1978
- 1978-07-20 JP JP10173378U patent/JPS593351Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5517198U (en) | 1980-02-02 |
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