JPH0158030U

JPH0158030U -

Info

Publication number: JPH0158030U
Application number: JP15135887U
Authority: JP
Priority date: 1987-10-02
Filing date: 1987-10-02
Publication date: 1989-04-11

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例である空気調和機
の室内ユニツトの側断面図、第２図はこの考案の
一実施例である空気調和機の冷媒回路を示す冷媒
回路図、第３図はこの考案の一実施例である空気
調和機の室内ユニツトの要部機能の制御系を示す
ブロツク図、第４図は第３図における暖房運転時
の送風制御系の動作を示す動作波形図であり、第
４図ａは上部送風機、第４図ｂは下部送風機の各
動作を示し、第４図ｃは下部送風機からの吹出空
気温度を示し、第４図ｄは上部送風機からの吹出
空気温度を示す各動作波形図、第５図は従来例の
空気調和機の室内ユニツトを示す側断面図、第６
図は従来例の空気調和機の室内ユニツトにおける
送風機制御系を示すブロツク図、第７図は第６図
における暖房運転時の送風機制御系の動作を示す
各部の動作波形図であり、第７図ａは上部送風機
、第７図ｂは下部送風機の各動作を示し、第７図
ｃは熱交換器の温度を示す各波形図である。１ａ……室内ユニツト、１……上部送風機、２
……下部送風機、３……室内熱交換器、４……上
部吹出口、５……下部吹出口、６……空気の流れ
、７……熱交換器温度測定手段、８，１９……吹
出空気温度測定手段、９……負荷算出手段、１０
，２０……上下送風機運転モード決定手段、１１
，２１……上下送風機運転制御手段、１２……設
定温度曲線、１３……上部室内熱交換器、１４…
…下部室内熱交換器、１５ａ……中間膨張機構、
１５……絞り装置、１６……圧縮機、１６ａ……
冷暖房切換装置、１７……室外熱交換器、１８…
…膨張機構、なお、図中、同一符号は同一、又は
相当部分を示す。 Fig. 1 is a side sectional view of an indoor unit of an air conditioner which is an embodiment of this invention, Fig. 2 is a refrigerant circuit diagram showing the refrigerant circuit of an air conditioner which is an embodiment of this invention, and Fig. 3. 4 is a block diagram showing the control system of the main functions of an indoor unit of an air conditioner that is an embodiment of this invention, and FIG. 4 is an operation waveform diagram showing the operation of the air blowing control system during heating operation in FIG. Figure 4a shows the operation of the upper blower, Figure 4b shows the operation of the lower blower, Figure 4c shows the temperature of the air blown out from the lower blower, and Figure 4d shows the temperature of the air blown out from the upper blower. FIG. 5 is a side sectional view showing an indoor unit of a conventional air conditioner; FIG.
The figure is a block diagram showing the blower control system in the indoor unit of a conventional air conditioner, and FIG. 7 is an operation waveform diagram of each part showing the operation of the blower control system during heating operation in FIG. 7a shows the operation of the upper blower, FIG. 7b shows the operation of the lower blower, and FIG. 7c is a waveform diagram showing the temperature of the heat exchanger. 1a...Indoor unit, 1...Upper blower, 2
...Lower blower, 3...Indoor heat exchanger, 4...Upper outlet, 5...Lower outlet, 6...Air flow, 7...Heat exchanger temperature measuring means, 8, 19...Blowout Air temperature measuring means, 9...Load calculating means, 10
, 20... Upper and lower blower operation mode determining means, 11
, 21... Upper and lower blower operation control means, 12... Set temperature curve, 13... Upper indoor heat exchanger, 14...
... lower indoor heat exchanger, 15a ... intermediate expansion mechanism,
15... Throttle device, 16... Compressor, 16a...
Air conditioning/heating switching device, 17...Outdoor heat exchanger, 18...
...Inflation mechanism. In the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of Claim for Utility Model Registration] (1) In an indoor unit of an air conditioner consisting of a refrigeration cycle in which a compressor, an outdoor heat exchanger, an expansion mechanism, and an indoor heat exchanger are sequentially arranged, An upper blower and a lower blower disposed corresponding to the blower outlets, an operation control means for controlling the operation of the upper blower and the lower blower, and an upper indoor heat exchanger corresponding to the upper blower outlet and the lower blower outlet.・
1. An indoor unit for a separate air conditioner, comprising: a lower indoor heat exchanger; and an intermediate expansion mechanism disposed between the upper indoor heat exchanger and the lower indoor heat exchanger. (2) The indoor unit of a separate air conditioner according to claim 1, wherein the operation control means controls the operation according to the temperature of the air blown from the lower outlet.