JPH0433844U

JPH0433844U -

Info

Publication number: JPH0433844U
Application number: JP7441090U
Authority: JP
Priority date: 1990-07-14
Filing date: 1990-07-14
Publication date: 1992-03-19
Anticipated expiration: 2005-07-14
Also published as: JP2515049Y2

Description

[Brief explanation of the drawing]

第１図は実施例１の縦断側面図、第２図は第１
図のＸ−Ｘ線における横断平面図、第３図は線条
体の正面図、第４図は実施例２の横断平面図、第
５図は実施例３の横断平面図、第６図は実施例４
の横断平面図、第７図は実施例５の正面図、第８
図は実施例６の正面図、第９図はサーミスターの
特性グラフ、第１０は図燃焼制御回路の一例を示
した回路図、第１１図は従来例の縦断側面図であ
る。１……燃焼室、２……熱交換器、３……線状体
。 FIG. 1 is a longitudinal cross-sectional side view of Example 1, and FIG. 2 is a vertical side view of Example 1.
3 is a front view of the striatum, FIG. 4 is a cross-sectional plan view of Example 2, FIG. 5 is a cross-sectional plan view of Example 3, and FIG. Example 4
FIG. 7 is a front view of Embodiment 5, and FIG.
9 is a characteristic graph of a thermistor, FIG. 10 is a circuit diagram showing an example of a combustion control circuit, and FIG. 11 is a longitudinal side view of a conventional example. 1... Combustion chamber, 2... Heat exchanger, 3... Linear body.

Claims

[Scope of Claim for Utility Model Registration] A series of linear bodies 3 made of objects with temperature-resistance characteristics such as metals and thermistors are disposed outside the combustion chamber 1 and heat exchanger 2 of a combustion device, An overheat prevention device for combustion equipment, characterized in that the linear body 3 is incorporated into a combustion control circuit, resistance changes due to temperature changes of the linear body 3 are captured, and fuel is cut off when abnormal overheating is detected. 2. The overheat prevention device for combustion equipment according to claim 1, wherein a series of linear bodies 3 are disposed on the external rear surface of the combustion chamber 1, the heat exchanger 2, etc. 2. The overheating prevention device for combustion equipment according to claim 1, wherein a series of linear bodies 3 are disposed in front of the outside of the combustion chamber 1, the heat exchanger 2, etc. 2. The overheat prevention device for combustion equipment according to claim 1, wherein a series of linear bodies 3 are disposed on the external rear surface and both side surfaces of the combustion chamber 1, the heat exchanger 2, etc. 2. The overheating prevention device for combustion equipment according to claim 1, wherein a series of linear bodies 3 are disposed on the entire outer peripheral surface of the combustion chamber 1, the heat exchanger 2, etc. 2. The overheating prevention device for combustion equipment according to claim 1, wherein a series of linear bodies 3 having an arbitrary shape are printed on the base material 18 and arranged equally in each part to form a sheet shape. 2. The overheating prevention device for combustion equipment according to claim 1, wherein a series of linear bodies 3 are arranged equally between the base material 19 and the thin plate material 20 in arbitrary shapes and packed to form a sheet shape.