JPS62102914U

JPS62102914U -

Info

Publication number: JPS62102914U
Application number: JP19552085U
Authority: JP
Priority date: 1985-12-19
Filing date: 1985-12-19
Publication date: 1987-06-30

Description

[Brief explanation of drawings]

第１図は本考案の一実施例による電気カーペツ
トの温度制御装置に係わる本体の斜視図、第２図
は同電気回路図、第３図、第４図及び第５図は同
サーミスタの温度と抵抗値、端子電圧の変化及び
室温と本体表面温度の相関を示す特性図、第６図
は従来の同要部概略構造図、第７図及び第８図は
同温度と温度検知線の抵抗変化及び室温と本体の
温度との相関を示す特性図、第９図は同電気回路
図である。１……本体、２……電熱ヒーター、３……温度
検知線、４……コントローラボツクス、５……主
温度制御回路、１２……室温補正回路、１３……
直流電源回路、１５……サーミスタ、１６……ツ
エナーダイオード、Ｃ……定電圧回路、Ｓ……電
源。 Fig. 1 is a perspective view of the main body of an electric carpet temperature control device according to an embodiment of the present invention, Fig. 2 is an electric circuit diagram thereof, and Figs. 3, 4, and 5 are temperature and temperature diagrams of the thermistor. Characteristic diagram showing the correlation between resistance value, change in terminal voltage, and room temperature and body surface temperature. Figure 6 is a schematic structural diagram of the same main part of the conventional system. Figures 7 and 8 are the same temperature and resistance change of the temperature detection line. and a characteristic diagram showing the correlation between the room temperature and the temperature of the main body, and FIG. 9 is an electric circuit diagram of the same. 1... Body, 2... Electric heater, 3... Temperature detection line, 4... Controller box, 5... Main temperature control circuit, 12... Room temperature correction circuit, 13...
DC power supply circuit, 15... thermistor, 16... Zener diode, C... constant voltage circuit, S... power supply.

Claims

[Scope of utility model registration request]

The body 1 is provided with an electric heater 2 and a temperature detection line 3 for detecting the temperature inside the electric carpet body 1, and a main temperature control circuit 5 for controlling the supply of electricity to the electric heater 2 via the temperature detection line 3. In the controller box 4 provided in the main body 1, a constant voltage circuit C is connected to the output side of a DC power supply circuit 13 connected to a power source S, and a thermistor 15 for detecting room temperature is connected to the output side of this constant voltage circuit C. A Zener diode 16 is connected to the thermistor 15 to suppress the voltage generated by the thermistor 15, and the DC power supply circuit 13, the constant voltage circuit C,
A room temperature correction circuit 12 consisting of a thermistor 15, a Zener diode 16, etc. is provided in the controller box 4, and a correction output via the voltage generated in the thermistor 15 is sent to the control temperature range of the main temperature control circuit 5 via the Zener diode 16. A temperature control device for an electric carpet, characterized in that an electric voltage is applied to a temperature control circuit 5 so as to be changed accordingly.