JPH02145497U

JPH02145497U -

Info

Publication number: JPH02145497U
Application number: JP5440689U
Authority: JP
Priority date: 1989-05-15
Filing date: 1989-05-15
Publication date: 1990-12-10

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例による故障表示装
置を示す構成図、第２図は従来の故障表示装置を
示す構成図である。２は第１の警報センサ、３は第２の警報センサ
、６はベル又はブザー、７はリセツトスイツチ、
１３は第１のベル又はブザー停止用リレー、１４
は第２のベル又はブザー停止用リレー、１３ａ，
１３ｂ，１４ａ，１４ｂは接点。なお、図中、同
一符号は同一、又は相当部分を示す。 FIG. 1 is a block diagram showing a fault display device according to an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional fault display device. 2 is a first alarm sensor, 3 is a second alarm sensor, 6 is a bell or buzzer, 7 is a reset switch,
13 is the first bell or buzzer stop relay; 14
is the second bell or buzzer stop relay, 13a,
13b, 14a, 14b are contacts. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.

Claims

[Scope of utility model registration request]

a first alarm sensor that detects a first failure; a second alarm sensor that detects a second failure; a first bell or buzzer stop relay; and a second bell or buzzer stop relay; A reset switch that commonly energizes the first and second bell or buzzer stop relays, a contact that causes the first bell or buzzer stop relay to self-hold by being energized by the reset switch, and energization by the reset switch. a contact that self-holds the second bell or buzzer stop relay, a first contact that opens when the first bell or buzzer stop relay is energized, and a second bell or buzzer stop relay. a second contact that opens when energized; and a bell or buzzer that is commonly connected to the first and second contacts and is supplied with voltage via the first or second contact. Device.