JPH0468967U - - Google Patents
Info
- Publication number
- JPH0468967U JPH0468967U JP11107590U JP11107590U JPH0468967U JP H0468967 U JPH0468967 U JP H0468967U JP 11107590 U JP11107590 U JP 11107590U JP 11107590 U JP11107590 U JP 11107590U JP H0468967 U JPH0468967 U JP H0468967U
- Authority
- JP
- Japan
- Prior art keywords
- opening degree
- discharge pipe
- electronic expansion
- solenoid valve
- expansion valve
- 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.)
- Granted
Links
- 238000005057 refrigeration Methods 0.000 claims 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 239000003507 refrigerant Substances 0.000 description 4
Landscapes
- Air Conditioning Control Device (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Description
第１図は本考案の一実施例に係る空気調和機の
冷媒系統図、第２図は同実施例における吐出管冷
媒温度・ＥＥＶ開度と時間との関係を示す特性図
、第３図はＥＥＶ開度と周波数との関係を示す特
性図、第４図は第１図におけるコントローラの詳
細を示す機能ブロツク図、第５図は従来の空気調
和機の冷媒系統図、第６図及び第７図は第５図に
おけるコントローラの詳細を示す機能ブロツク図
である。
１……インバータ駆動圧縮機、３……室外熱交
換器、４Ａ，４Ｂ……電子膨張弁、５Ａ，５Ｂ…
…室内熱交換器、６……アキユムレータ、７……
室外フアン、８Ａ，８Ｂ……室内フアン、１０…
…吐出管冷媒温度センサ、１１Ａ，１１Ｂ……室
内温度センサ、１２……制御器、１３……電磁弁
、１４……逆止弁、１５……バイパス用電磁弁、
１６……バイパス用絞り。
Fig. 1 is a refrigerant system diagram of an air conditioner according to an embodiment of the present invention, Fig. 2 is a characteristic diagram showing the relationship between discharge pipe refrigerant temperature, EEV opening degree, and time in the same embodiment, and Fig. 3 is A characteristic diagram showing the relationship between EEV opening and frequency, Fig. 4 is a functional block diagram showing details of the controller in Fig. 1, Fig. 5 is a refrigerant system diagram of a conventional air conditioner, and Figs. 6 and 7. This figure is a functional block diagram showing details of the controller in FIG. 5. 1... Inverter-driven compressor, 3... Outdoor heat exchanger, 4A, 4B... Electronic expansion valve, 5A, 5B...
...Indoor heat exchanger, 6...Accumulator, 7...
Outdoor fan, 8A, 8B... Indoor fan, 10...
...Discharge pipe refrigerant temperature sensor, 11A, 11B... Indoor temperature sensor, 12... Controller, 13... Solenoid valve, 14... Check valve, 15... Bypass solenoid valve,
16...Aperture for bypass.
Claims (1)
式膨張弁、利用側熱交換器及びアキユムレータを
この順に接続して冷凍サイクルを構成すると共に
、前記冷凍サイクルの高圧液ラインとアキユムレ
ータ入口側の低圧ガスラインとの間に絞り及び圧
縮機の吐出管温度に応じて開閉する電磁弁を有す
るバイパス回路を設けた空気調和機において、 前記吐出管温度が設定値以上となつて前記電磁
弁が開となつたとき、前記電子式膨張弁の開度を
初期開度に対して設定開度分だけ開け、吐出管温
度が設定値以下となり前記電磁弁が閉となつた時
、前記電子式膨張弁開度を初期開度とする制御手
段を設けたことを特徴とする空気調和機。[Claims for Utility Model Registration] An inverter-driven compressor, a heat source side heat exchanger, an electronic expansion valve, a user side heat exchanger, and an accumulator are connected in this order to constitute a refrigeration cycle, and the high-pressure liquid of the refrigeration cycle is In an air conditioner in which a bypass circuit is provided between the line and the low-pressure gas line on the inlet side of the accumulator and has a throttle and a solenoid valve that opens and closes depending on the temperature of the discharge pipe of the compressor, the temperature of the discharge pipe exceeds a set value. When the solenoid valve is opened, the electronic expansion valve is opened by a set opening degree relative to the initial opening degree, and when the discharge pipe temperature becomes lower than the set value and the solenoid valve is closed. An air conditioner comprising: a control means for setting the electronic expansion valve opening degree to an initial opening degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990111075U JP2539680Y2 (en) | 1990-10-25 | 1990-10-25 | Air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990111075U JP2539680Y2 (en) | 1990-10-25 | 1990-10-25 | Air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0468967U true JPH0468967U (en) | 1992-06-18 |
| JP2539680Y2 JP2539680Y2 (en) | 1997-06-25 |
Family
ID=31858490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990111075U Expired - Lifetime JP2539680Y2 (en) | 1990-10-25 | 1990-10-25 | Air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2539680Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01196458A (en) * | 1988-02-01 | 1989-08-08 | Sanyo Electric Co Ltd | Separation type freezer |
| JPH02287061A (en) * | 1989-04-26 | 1990-11-27 | Hitachi Ltd | Air conditioner |
-
1990
- 1990-10-25 JP JP1990111075U patent/JP2539680Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01196458A (en) * | 1988-02-01 | 1989-08-08 | Sanyo Electric Co Ltd | Separation type freezer |
| JPH02287061A (en) * | 1989-04-26 | 1990-11-27 | Hitachi Ltd | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2539680Y2 (en) | 1997-06-25 |
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