JPS6218655U

JPS6218655U -

Info

Publication number: JPS6218655U
Application number: JP11013185U
Authority: JP
Priority date: 1985-07-18
Filing date: 1985-07-18
Publication date: 1987-02-04

Description

[Brief explanation of the drawing]

第１図は本考案のスモークセンサの第１実施例
の正面図、第２図はそのＨ―Ｈ断面図、第３図は
本実施例のヒーターのパターン図、第４図は同接
続回路図、第５図は同スモークセンサのスモーク
量と両端電圧Ｖ０の微分値との関係曲線グラフ、
第６図は第２実施例のスモークセンサの正面図、
第７図はそのＪ―Ｊ断面図、第８図は同Ｋ―Ｋ断
面図、第９図は同使用例の構成図、第１０図はそ
のヒーター制御ルーチンのフローチヤートである
。１，１０３……アルミナ基板、２……プラチナ
電極、３……プラチナヒーター、４……スピネル
コーテイング、１００……Ａ電極、１０１……Ｂ
電極。 Figure 1 is a front view of the first embodiment of the smoke sensor of the present invention, Figure 2 is its HH sectional view, Figure 3 is a pattern diagram of the heater of this embodiment, and Figure 4 is its connection circuit diagram. , Figure 5 is a relationship curve graph between the amount of smoke of the same smoke sensor and the differential value of the voltage V0 at both ends,
FIG. 6 is a front view of the smoke sensor of the second embodiment;
FIG. 7 is a sectional view along JJ, FIG. 8 is a sectional view along K-K, FIG. 9 is a configuration diagram of an example of use, and FIG. 10 is a flowchart of the heater control routine. 1,103... Alumina substrate, 2... Platinum electrode, 3... Platinum heater, 4... Spinel coating, 100... A electrode, 101... B
electrode.

Claims

[Claims for Utility Model Registration] 1. A utility model comprising: a heat-resistant insulating substrate; a pair of electrodes provided on the heat-resistant insulating substrate; and a heater provided on the heat-resistant insulating substrate. smoke sensor. 2. The smoke sensor according to claim 1, wherein the pair of electrodes are arranged in parallel and in a meandering manner. 3. The smoke sensor according to claim 1 or 2, wherein the pair of electrodes also serves as the heater. 4. Utility model registration claim 1 or 4, wherein the heater is separated from the pair of electrodes through the heat-resistant insulating substrate and from the outside air by a heat-resistant insulating member. Smoke sensor described in Section 2. 5. The smoke sensor according to claim 4, wherein the heat-resistant insulating member is porous.