JPH0446389U

JPH0446389U -

Info

Publication number: JPH0446389U
Application number: JP8717190U
Authority: JP
Priority date: 1990-08-20
Filing date: 1990-08-20
Publication date: 1992-04-20

Description

[Brief explanation of the drawing]

第１図から第３図にかけては本考案にかかる図
面であつて、第１図はハニカム状セラミツクヒー
タの説明図で第１図Ａは正面図、第１図Ｂは側面
図、第２図は端子板の取付状態を示す正面断面図
、第３図はセラミツクヒータの他の実施例を示し
、第３図Ａは正面図、第３図Ｂは側面図である。
第４図から第９図にかけては従来の技術を示す図
面であつて、第４図はハニカム状セラミツクヒー
タ本体の説明図で、第４図Ａは正面図、第４図Ｂ
は同側面図、第５図は端子板の取付状態を示す正
面断面図、第６図はセラミツクヒータの側面断面
図、第７図は同略電気回路図、第８図、第９図は
セラミツクヒータ本体の温度分布説明図で、両図
ともＡは平面図、Ｂは温度分布図である。１０……セラミツクヒータ本体、１１……セラ
ミツクヒータ素子、１２……通風孔、１３……電
極、１４……端子板、４０……送風機、４１……
モータ、４２……風胴、５１……安全装置。 1 to 3 are drawings related to the present invention, in which FIG. 1 is an explanatory diagram of a honeycomb-shaped ceramic heater, FIG. 1A is a front view, FIG. 1B is a side view, and FIG. FIG. 3 is a front sectional view showing how the terminal plate is attached, and FIG. 3 shows another embodiment of the ceramic heater, FIG. 3A is a front view, and FIG. 3B is a side view.
4 to 9 are drawings showing the conventional technology, in which FIG. 4 is an explanatory diagram of the main body of a honeycomb-shaped ceramic heater, FIG. 4A is a front view, and FIG. 4B
is a side view of the same, FIG. 5 is a front sectional view showing the terminal board installed, FIG. 6 is a side sectional view of the ceramic heater, FIG. 7 is a schematic electrical circuit diagram, and FIGS. 8 and 9 are of the ceramic heater. FIG. 2 is an explanatory diagram of the temperature distribution of the heater body, and in both figures, A is a plan view and B is a temperature distribution diagram. 10... Ceramic heater body, 11... Ceramic heater element, 12... Ventilation hole, 13... Electrode, 14... Terminal plate, 40... Blower, 41...
Motor, 42...Wind cylinder, 51...Safety device.

Claims

[Scope of Claim for Utility Model Registration] (1) A ceramic heater body consisting of a plurality of ceramic heater elements in which ventilation holes are formed, a wind cylinder in which the ceramic heater body is arranged, and a structure from the rear of the ventilation hole to the front through the wind cylinder. The electrode surface of the ceramic heater body is formed into an arc shape with a convex shape facing outward, and the distance between the opposing electrodes is minimized at the ends and maximized at the center. A ceramic heater characterized by: (2) The ceramic heater according to claim 1, wherein the electrode is formed along the longitudinal direction of the ceramic heater element. (3) The ceramic heater according to claim 1, wherein the electrode is formed along the width direction of the ceramic heater element.