JPS6425655U

JPS6425655U -

Info

Publication number: JPS6425655U
Application number: JP12000387U
Authority: JP
Priority date: 1987-08-05
Filing date: 1987-08-05
Publication date: 1989-02-13

Description

[Brief explanation of the drawing]

第１図乃至第５図はこの考案の一実施例を示す
ものであり、第１図はこの考案による空気調和機
のヒータ過熱防止用安全装置の基本構成を示すブ
ロツク図、第２図は空気調和機の概略構成図、第
３図は室内用フアンの側面（回転数検出手段）を
示す斜視図、第４図は制御回路の構成を示す回路
図、第５図はこの考案の制御動作を示すフローチ
ヤートである。また、第６図、第７図は従来例を
示すものであり、第６図は室内側熱交換器の要部
を示す概略構造図、第７図はその安全装置を示す
構成図である。１……室内側熱交換器、２……室内用フアン、
３……室外側熱交換器、５……冷媒圧縮機、７…
…暖房補助加熱用ヒータ、１１……光反射板、１
２……発光器、１３……受光器。なお、図中、同
一符号は同一または相当部分を示す。 Figures 1 to 5 show one embodiment of this invention. Figure 1 is a block diagram showing the basic configuration of a safety device for preventing overheating of a heater in an air conditioner according to this invention, and Figure 2 is a A schematic configuration diagram of the harmonizer, Figure 3 is a perspective view showing the side of the indoor fan (rotation speed detection means), Figure 4 is a circuit diagram showing the configuration of the control circuit, and Figure 5 shows the control operation of this invention. This is a flowchart. Further, FIGS. 6 and 7 show a conventional example, in which FIG. 6 is a schematic structural diagram showing the main parts of the indoor heat exchanger, and FIG. 7 is a structural diagram showing its safety device. 1...Indoor heat exchanger, 2...Indoor fan,
3... Outdoor heat exchanger, 5... Refrigerant compressor, 7...
...Heater for heating auxiliary heating, 11...Light reflecting plate, 1
2... Emitter, 13... Light receiver. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

The indoor heat exchanger, outdoor heat exchanger, and refrigerant compressor are connected through a refrigerant circuit so that the indoor heat exchanger functions as a condenser, and the indoor heat exchanger is used for heating supplementary heating. In an air conditioner equipped with a heater and an indoor fan that blows the heated air indoors from an outlet, a rotation speed detection means for detecting the rotation speed of the indoor fan, and a rotation speed detected by the detection means. A safety device for preventing heater overheating of an air conditioner, further comprising a control means for stopping power supply to the auxiliary heating heater of the air conditioner when the rotation speed of the indoor fan is below a predetermined rotation speed. Device.