JPS63172838U - - Google Patents
Info
- Publication number
- JPS63172838U JPS63172838U JP6611787U JP6611787U JPS63172838U JP S63172838 U JPS63172838 U JP S63172838U JP 6611787 U JP6611787 U JP 6611787U JP 6611787 U JP6611787 U JP 6611787U JP S63172838 U JPS63172838 U JP S63172838U
- Authority
- JP
- Japan
- Prior art keywords
- defrosting
- forced
- signal
- frosting
- end signal
- 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
- 238000010257 thawing Methods 0.000 claims description 20
- 238000010438 heat treatment Methods 0.000 claims description 7
- 239000003507 refrigerant Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
Description
第１図はこの考案の機能ブロツク図、第２図は
この考案の一実施例における空気調和機の冷媒回
路図、第３図は上記装置の制御系ブロツク図、第
４図は上記装置における暖房運転と除霜運転との
切換制御のフローチヤートである。
１……圧縮機、２……室外熱交換器、５，６…
…室内熱交換器、４０……外熱交温度検出センサ
（着霜量検出手段）、６０……運転モード選択部
（運転制御手段）、７１……暖房優先手段、７２
……着霜量比較手段、７３……強制復帰手段、７
４……カウント手段、７５……強制信号発生手段
、７６……強制除霜運転切換手段。
Fig. 1 is a functional block diagram of this invention, Fig. 2 is a refrigerant circuit diagram of an air conditioner in an embodiment of this invention, Fig. 3 is a control system block diagram of the above device, and Fig. 4 is a heating system in the above device. It is a flowchart of switching control between operation and defrosting operation. 1...Compressor, 2...Outdoor heat exchanger, 5, 6...
... Indoor heat exchanger, 40 ... External heat exchanger temperature detection sensor (frost formation amount detection means), 60 ... Operation mode selection section (operation control means), 71 ... Heating priority means, 72
...Frost formation amount comparison means, 73...Forcible return means, 7
4...Counting means, 75...Forced signal generation means, 76...Forced defrosting operation switching means.
Claims (1)
，６から室外熱交換器２へと回流させて暖房運転
を行う空気調和機であつて、上記室外熱交換器２
への着霜量を検出する着霜量検出手段４０と、検
出着霜量が基準値を超えたときに除霜開始信号を
、また復帰値に達した時に除霜終了信号をそれぞ
れ発する着霜量比較手段７２と、除霜開始信号が
入力された時に暖房運転から除霜運転へと切換え
ると共に、除霜終了信号が入力された時に除霜運
転を終了して暖房運転を再開する運転制御手段６
０と、除霜運転の継続時間が基準時間に達した時
に上記運転制御手都６０に除霜終了信号を発する
強制復帰手段７３と、暖房運転再開時に第１優先
時間が経過する迄は上記着霜量比較手段７２から
の除霜開始信号の上記運転制御手段６０への入力
を阻止する暖房優先手段７１と、除霜運転の回数
をカウントしていくカウント手段７４と、そのカ
ウント値が所定値を超えた後になされた除霜運転
の終了が上記強制復帰手段７３からの除霜終了信
号によつて行われた時に強制除霜信号を発する強
制信号発生手段７５と、上記強制除霜信号が発生
されたときに、再開された暖房運転が上記第１優
先時間より短い第２優先時間継続された後に除霜
開始信号を発すると共に、上記カウント手段７４
のカウント値をリセツトする強制除霜運転切換手
段７６とを有していることを特徴とする空気調和
機。 The gas refrigerant discharged from the compressor 1 is transferred to the indoor heat exchanger 5.
, 6 to the outdoor heat exchanger 2 for heating operation, the outdoor heat exchanger 2
a frosting amount detecting means 40 that detects the amount of frosting on the surface, and a frosting device that issues a defrosting start signal when the detected frosting amount exceeds a reference value, and a defrosting end signal when the detected frosting amount reaches a return value. A quantity comparison means 72, and an operation control means that switches from heating operation to defrosting operation when a defrosting start signal is input, and ends the defrosting operation and restarts heating operation when a defrosting end signal is input. 6
0, a forced return means 73 that issues a defrosting end signal to the operation control mechanism 60 when the duration of the defrosting operation reaches the reference time, and a forced return means 73 that issues a defrosting end signal to the operation control mechanism 60 when the duration of the defrosting operation reaches the reference time, and A heating priority means 71 prevents input of the defrosting start signal from the frost amount comparison means 72 to the operation control means 60, a counting means 74 counts the number of defrosting operations, and the count value is set to a predetermined value. a forced signal generating means 75 for generating a forced defrosting signal when the defrosting operation is terminated after the defrosting operation is completed in response to a defrosting end signal from the forcible return means 73; When the restarted heating operation continues for a second priority period shorter than the first priority period, a defrosting start signal is issued, and the count means 74
An air conditioner comprising: forced defrosting operation switching means 76 for resetting the count value of the air conditioner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6611787U JPH0426834Y2 (en) | 1987-04-30 | 1987-04-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6611787U JPH0426834Y2 (en) | 1987-04-30 | 1987-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63172838U true JPS63172838U (en) | 1988-11-10 |
| JPH0426834Y2 JPH0426834Y2 (en) | 1992-06-26 |
Family
ID=30903821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6611787U Expired JPH0426834Y2 (en) | 1987-04-30 | 1987-04-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0426834Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02272246A (en) * | 1989-04-13 | 1990-11-07 | Mitsubishi Electric Corp | Air conditioner |
| JPH03168554A (en) * | 1989-11-24 | 1991-07-22 | Mitsubishi Electric Corp | Air conditioner |
-
1987
- 1987-04-30 JP JP6611787U patent/JPH0426834Y2/ja not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH02272246A (en) * | 1989-04-13 | 1990-11-07 | Mitsubishi Electric Corp | Air conditioner |
| JPH03168554A (en) * | 1989-11-24 | 1991-07-22 | Mitsubishi Electric Corp | Air conditioner |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0426834Y2 (en) | 1992-06-26 |
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