JPS586282U

JPS586282U - Cable breakage test equipment

Info

Publication number: JPS586282U
Application number: JP9961481U
Authority: JP
Inventors: 平野　文弥
Original assignee: 三菱電機株式会社
Priority date: 1981-07-03
Filing date: 1981-07-03
Publication date: 1983-01-14

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 drawings]

第１図は従来の試験装置を示す回路図、第２図でこの考
案に係るケーブル断線試験装置の一実施例を示す回路図
である。１ａと２ａと１ｂと２ｂとＩＣと２０・・・・・・コネ
クタ、３ａと３ｂと３０・・・・・・被試験ケーブル、
ａとｂとＣ・・・・・・直列接線体、４ａと４ｂと４０
・・・・・・押しボタン・スイッチ、４ａ１と４−ｂｌ
と４Ｃ１・・・・・・第１接点、４ａ２と４ｂ２と４Ｃ
２・・・・・−・第２接点、６・・・・・・ケーブル良
否判定回路、ＲＹｌとＲＹｌａ・・・・・・第１リレー
とそのａ接点、ＲＹ２とＲＹ２ａ・・・・・・第２リレ
ーとそのａ接点、Ｌｌ・・・・・・第１表示灯、Ｌ２・
・・・・・第２表示灯。FIG. 1 is a circuit diagram showing a conventional test device, and FIG. 2 is a circuit diagram showing an embodiment of the cable breakage test device according to the present invention. 1a, 2a, 1b, 2b, IC and 20...Connector, 3a, 3b and 30...Cable under test,
a, b and C...Series tangent, 4a, 4b and 40
...Push button switch, 4a1 and 4-bl
and 4C1...first contact, 4a2, 4b2 and 4C
2...Second contact, 6...Cable quality determination circuit, RYl and RYla...First relay and its a contact, RY2 and RY2a... 2nd relay and its a contact, Ll... 1st indicator light, L2...
...Second indicator light.

Claims

[Scope of utility model registration request]

(1) Connect multiple cables under test and pulls between the corresponding pins of two connectors each having multiple pins, and connect the pins of each connector so that all of these cables under test are connected in series. at least one series-connected body, the same number of pushbutton switches as the series-connected bodies, and a cable quality determination circuit common to all the series-connected bodies; one end is connected to the power supply via a corresponding pushbutton switch,
A cable breakage test device, wherein the other end of each series connection body is connected to the cable quality determination circuit, and the cable quality determination circuit is connected to the power source via each push button/switch.

(2) each pushbutton switch has a first contact and a second contact in movement with the first contact, the first contact connecting one end of the corresponding series connection to a power source;
A cable breakage test device according to claim 1, wherein a contact connects a cable quality determination circuit to the power source.

(3) The cable quality judgment circuit is the first relay and its a
a contact, a second relay and its a contact, and a first indicator light and a second indicator light, the first relay being connected to the power source via the second contact of each pushbutton switch, and the second relay being connected to the power source through the second contact of each push button switch; is connected to each series connection body, and after the a contact of the first relay and the a contact of the second relay are connected in series, the first indicator light and the second indicator light are connected in parallel. A cable breakage test device according to claim 1 or 2, which is connected between both ends of the power source.