JPS58187999U

JPS58187999U - Indicator light disconnection confirmation device

Info

Publication number: JPS58187999U
Application number: JP8719082U
Authority: JP
Inventors: 弘高見
Original assignee: 三菱電機株式会社
Priority date: 1982-06-09
Filing date: 1982-06-09
Publication date: 1983-12-14

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 the drawing]

第１図は従来の表示灯の断線確認装置を示す電気結線図
、第２図はこの考案に係る表示灯の断線確認装置の一実
施例を示す電気結線図、第３図はこの考案に係る表示灯
の断線確認装置の他の実施例を示す電気結線図である。図において、１ａ〜１ｄは第１〜第４の検知部、２ａｌ
　〜２ｄ２は入力端子、３ａ〜３ｄは第１〜第４の継電
器、４ａ〜４ｄは第１〜第４のメイク接点、５ａ〜５ｄ
は第１〜第４の表示灯、６は直流電源、７は代表表示灯
、８ａ〜８ｄは第１〜第４のダイオード、９は断線確認
用スイッチ、９ａｌ。９ａ２は第１、第２の常開接点、９ｂ１．９ｂ２は第１
、第２の常閉接点、１０は断線確認用継電器、１０ａ１
．１０ａ２は第１、第２のメイク接点、１０ｂｌ、１０
ｂ２は第１、第２の常閉接点である。なお各図中同一部
分には同一符号を付している。 −一一白−４□−−下 ′≧註４第３図、１ｏ−Figure 1 is an electrical wiring diagram showing a conventional indicator light disconnection checking device, Figure 2 is an electrical wiring diagram showing an embodiment of the indicator light disconnection checking device according to this invention, and Figure 3 is an electrical wiring diagram showing an embodiment of the indicator light disconnection checking device according to this invention. FIG. 7 is an electrical wiring diagram showing another embodiment of the indicator light disconnection confirmation device. In the figure, 1a to 1d are first to fourth detection units, 2al
-2d2 are input terminals, 3a-3d are first to fourth relays, 4a-4d are first to fourth make contacts, 5a-5d
are first to fourth indicator lights, 6 is a DC power supply, 7 is a representative indicator light, 8a to 8d are first to fourth diodes, 9 is a disconnection confirmation switch, and 9al. 9a2 is the first and second normally open contacts, 9b1.9b2 is the first
, second normally closed contact, 10 is a disconnection confirmation relay, 10a1
．． 10a2 is the first and second make contacts, 10bl, 10
b2 is the first and second normally closed contacts. Note that the same parts in each figure are given the same reference numerals. -Ichihaku-4□--Bottom'≧Note 4 Figure 3, 1o-

Claims

[Scope of claims for utility model registration] 1. The first unit that closes when each lighting condition is met.
-nth make contact, first to nth indicator lights connected in series to the first to nth make contacts, respectively, and the first to nth make contacts.
a DC power supply connected to both ends of each series circuit of the n-th make contact and the first to n-th indicator lights via the first and second normally closed contacts; a representative indicator light connected in parallel to each of the indicator lights through the first to nth diodes, and the DC power source is connected to the representative indicator light when the first and second normally closed contacts are closed; comprising first and second normally open contacts connected with opposite polarity;
A disconnection confirmation device for an indicator light configured to switch a second normally closed contact and the first and second normally open contacts in conjunction with each other. 2 The first and second normally closed contacts and the first and second normally open contacts are a break contact and a make contact, respectively, of a disconnection confirmation relay, and the disconnection confirmation relay is connected in series to the disconnection confirmation switch. A disconnection confirmation device for an indicator light according to claim 1, which is connected to a DC power supply. 3. The first and second normally closed contacts and the first and second normally open contacts are the indicator light set forth in claim 1 of the utility model registration claim, in which the first and second normally closed contacts are switched in conjunction with the manual operation of the disconnection confirmation switch, respectively. Disconnection confirmation device.