JPS621020U

JPS621020U -

Info

Publication number: JPS621020U
Application number: JP9112485U
Authority: JP
Priority date: 1985-06-17
Filing date: 1985-06-17
Publication date: 1987-01-07

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す電気カーペツ
トの温度制御装置の回路図、第２図は従来例の一
実施例を示す電気カーペツトの温度制御装置の斜
視図、第３図は本考案の一実施例を示す電気カー
ペツトの温度制御装置の抵抗値と温度との特性図
、第４図は同端子電圧と温度との特性図、第５図
は同本体表面温度と室温との特性図、第６図は従
来例を示す感熱線の斜視図、第７図は温度センサ
ーの抵抗と温度との特性図、第８図は同本体の温
度と室温との特性図、第９図は同電気カーペツト
の温度制御装置の回路図である。１……本体、２……電熱ヒーター、３……温度
センサー、５……主温度制御回路、１２……室温
補正回路、１３……直流電源回路、１４……抵抗
、１５……温度センサー、１６……定電圧素子、
１７，１８，１９……定電圧回路、２０……抵抗
。 Fig. 1 is a circuit diagram of an electric carpet temperature control device showing an embodiment of the present invention, Fig. 2 is a perspective view of an electric carpet temperature control device showing an embodiment of a conventional example, and Fig. 3 is a circuit diagram of an electric carpet temperature control device showing an embodiment of the present invention. A characteristic diagram of the resistance value and temperature of a temperature control device for an electric carpet showing one embodiment, FIG. 4 is a characteristic diagram of the terminal voltage and temperature, and FIG. 5 is a characteristic diagram of the main body surface temperature and room temperature. , Fig. 6 is a perspective view of a heat-sensitive wire showing a conventional example, Fig. 7 is a characteristic diagram of the resistance of the temperature sensor and temperature, Fig. 8 is a characteristic diagram of the temperature of the same body and room temperature, and Fig. 9 is a characteristic diagram of the same. 1 is a circuit diagram of an electric carpet temperature control device; FIG. 1... Body, 2... Electric heater, 3... Temperature sensor, 5... Main temperature control circuit, 12... Room temperature correction circuit, 13... DC power supply circuit, 14... Resistor, 15... Temperature sensor, 16...constant voltage element,
17, 18, 19... Constant voltage circuit, 20... Resistor.

Claims

[Scope of utility model registration request]

In an electric carpet temperature control device comprising an electric heater 2 and a first temperature sensor 3 disposed in a main body 1, the current control element 11 and the electric heater 2 are connected in series to form a main circuit, and the first temperature sensor It consists of a main temperature control circuit 5 which uses 3 as a means of detecting the temperature inside the main body 1, and a second temperature sensor 15 that detects the room temperature, and has a correction output that changes the temperature level controlled by the main temperature control circuit 5 according to the room temperature. This room temperature correction circuit has a DC power supply circuit 13 which is a rectified AC power supply, and the second temperature sensor 15 and the first resistor 14 are connected in series, and both ends thereof are connected in series. A constant voltage element 16 that is connected to the DC power terminal of the DC power supply circuit 13 and suppresses the voltage from rising above a predetermined voltage, and a constant voltage circuit 17 that suppresses the voltage from falling below the predetermined voltage.
, 18, 19 are connected in parallel to the second temperature sensor 15, one end of the second resistor 20 is connected to the connection point between the second temperature sensor 15 and the first resistor 14, and the like. An electric carpet temperature control device characterized in that the end thereof is connected to the main temperature control circuit 5.