JPH0411320U

JPH0411320U -

Info

Publication number: JPH0411320U
Application number: JP5313190U
Authority: JP
Priority date: 1990-05-22
Filing date: 1990-05-22
Publication date: 1992-01-30

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を施した電気暖房器
具の温度制御装置の基本構成なる斜視図であり、
第２図は本考案の一実施例なる電気暖房器具の通
電ゾーン分割の一例を示す平面図である。第３図
は本考案の一実施例なる電気暖房器具の温度制御
装置の回路構成図である。第４図は通電するヒー
ター数と電流の特性図、第５図はヒーターの合計
電流と電流検出回路の出力電圧特性図である。１……本体、３……温度調節手段、４……通電
ゾーン選択手段、５……ヒーター、６……温度セ
ンサー、７……電力制御素子、８……制御回路、
９……カーレントトランス、１０……電流検出回
路、１１……温度ヒユーズ。 FIG. 1 is a perspective view showing the basic configuration of a temperature control device for an electric heating appliance to which an embodiment of the present invention is applied.
FIG. 2 is a plan view showing an example of energizing zone division of an electric heating appliance according to an embodiment of the present invention. FIG. 3 is a circuit diagram of a temperature control device for an electric heating appliance, which is an embodiment of the present invention. FIG. 4 is a characteristic diagram of the number of heaters to be energized and the current, and FIG. 5 is a characteristic diagram of the total current of the heaters and the output voltage of the current detection circuit. DESCRIPTION OF SYMBOLS 1... Main body, 3... Temperature adjustment means, 4... Energization zone selection means, 5... Heater, 6... Temperature sensor, 7... Power control element, 8... Control circuit,
9...Current transformer, 10...Current detection circuit, 11...Temperature fuse.

Claims

[Scope of utility model registration request]

The main body 1 is divided into a plurality of energizing zones, a heater 5 and a power control element 7 are provided for each zone, a common temperature sensor 6 is provided for each zone, and a temperature setting means 3 is provided in a controller 2 connected to the main body 1. and an energization zone selection means 4, a temperature setting circuit 13 for setting the temperature by the temperature setting means 3 in the controller 2, and an energization zone selection means 4.
a zone selection circuit 14 which performs zone selection by a power control element drive circuit 16 which operates a power control element 7, a temperature fuse blowing circuit 12 which operates a temperature fuse 11 and a temperature fuse 11, and a temperature setting circuit. 13 and energization zone selection circuit 1
4 and a control circuit 8 which outputs control signals to the power control element driving circuit 16 and the temperature fuse blowing circuit 12 according to the signals from the temperature sensor 6 and the current detection circuit 10, respectively, and the energization zone selection means 4 selects the zone. Turn on/energize the heater 5 of the zone
In a temperature control device for an electric heating appliance that performs temperature control to maintain the temperature of the energized zone at a set temperature regardless of the area of the energized zone by turning off, each heater 5
1. A temperature control device for an electric heating appliance, characterized in that a control circuit 8 is provided with a current transformer 9 and a current detection circuit 10 for detecting the total current flowing in the .