JPS6038345U

JPS6038345U - Combustion safety device

Info

Publication number: JPS6038345U
Application number: JP12553783U
Authority: JP
Inventors: 石川　善弘
Original assignee: リンナイ株式会社
Priority date: 1983-08-15
Filing date: 1983-08-15
Publication date: 1985-03-16

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来装置の説明線図、第２図は電磁安全弁の励
磁コイルに流れる電池による電流の時間的変化を表わす
図、第３図は本考案装置の１例を示す説明線図、第４図
は電磁安全弁の励磁コイルに流れる総電流の時間的変化
を表わす図、第５図は本考案装置の他の例を示す説明線
図である。１・・・バーナ、２・・・熱電素子、３・・・ガス供給
部、４・・・電磁安全弁、４ａ・・・励磁コイル、５・
・・電池、６・・・一方の接続回路、７・・・トランジ
スタ、８・・・抵抗、９・・・コンデンサ、１０・・・
タイマ回路、１１・・・他方の接続回路。Fig. 1 is an explanatory diagram of the conventional device, Fig. 2 is a diagram showing the temporal change in the current caused by the battery flowing through the excitation coil of the electromagnetic safety valve, and Fig. 3 is an explanatory diagram showing an example of the device of the present invention. FIG. 4 is a diagram showing temporal changes in the total current flowing through the excitation coil of the electromagnetic safety valve, and FIG. 5 is an explanatory diagram showing another example of the device of the present invention. DESCRIPTION OF SYMBOLS 1... Burner, 2... Thermoelectric element, 3... Gas supply part, 4... Electromagnetic safety valve, 4a... Excitation coil, 5...
...Battery, 6...One connection circuit, 7...Transistor, 8...Resistor, 9...Capacitor, 10...
Timer circuit, 11...other connection circuit.

Claims

[Scope of utility model registration request]

A thermoelectric element 2 that is heated by a burner 1 and generates an electromotive force, and an excitation coil 4a of an electromagnetic safety valve 4 interposed in a gas supply path 3
and a battery 5 are connected in parallel with each other, and the excitation coil 4a is energized by the battery 5 before a certain period of time has elapsed after ignition of the burner 1, and by the predetermined electromotive force of the thermoelectric element 2 after the elapse of a certain period of time. The emitter and collector of a transistor 7 are interveningly connected to one connection circuit 6 between the excitation coil 4a and the battery 5 to the electromagnetic safety valve 4 which is held open;
A combustion safety device characterized in that the base of the transistor 7 is connected to the other connection circuit 11 between the excitation coil 4a and the battery 5 via a timer circuit 10 consisting of a series connection circuit of a resistor 8 and a capacitor 9. .