JPH02120080U - - Google Patents

Info

Publication number
JPH02120080U
JPH02120080U JP14560088U JP14560088U JPH02120080U JP H02120080 U JPH02120080 U JP H02120080U JP 14560088 U JP14560088 U JP 14560088U JP 14560088 U JP14560088 U JP 14560088U JP H02120080 U JPH02120080 U JP H02120080U
Authority
JP
Japan
Prior art keywords
insulation
digital
insulation resistor
marks
signal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14560088U
Other languages
Japanese (ja)
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP14560088U priority Critical patent/JPH02120080U/ja
Publication of JPH02120080U publication Critical patent/JPH02120080U/ja
Pending legal-status Critical Current

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  • Measurement Of Resistance Or Impedance (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案に係る絶縁抵抗体の一実施例の
接続図、第２図イ，ロは第１図の動弁を説明する
ための図、第３図はアナログ絶縁抵抗計の目盛り
の一例を示す図である。 Ｒｘ……絶縁抵抗体、Ａ／Ｄ……アナログ・デ
イジタル変換器、ＤＩＳ……表示部、「ＳＨＯＲ
Ｔ」、「∞」……０と∞マーク、Ｕ３，Ｕ４……
コンパレータ。 Fig. 1 is a connection diagram of one embodiment of the insulation resistor according to the present invention, Fig. 2 A and B are diagrams for explaining the valve train shown in Fig. 1, and Fig. 3 shows the scale of an analog insulation resistance meter. It is a figure showing an example. Rx...Insulation resistor, A/D...Analog/digital converter, DIS...Display section,
T", "∞"...0 and ∞ marks, U3, U4...
comparator.

Claims (1)

【実用新案登録請求の範囲】 被測定の絶縁抵抗体に直流の高電圧を印加して
この絶縁抵抗体を流れる電流に対応した電圧をデ
イジタル信号に変換し、その信号をデイジタル表
示部に加えて絶縁抵抗体の値を変化させるように
したデイジタル絶縁抵抗計において、 前記デイジタル表示部に「０」および「∞」を
表示するマークを設けると共に、前記絶縁抵抗体
の値が「０」Ω及び「∞」のときこれを検出する
アナログのコンパレータを設け、このアナログ・
コンパレータの出力信号で前記表示部に設けた「
０」及び「∞」マークを表示させるようにしたこ
とを特徴とする絶縁抵抗計。[Claim for Utility Model Registration] Applying a high DC voltage to the insulation resistor to be measured, converting the voltage corresponding to the current flowing through the insulation resistor into a digital signal, and adding the signal to a digital display. In a digital insulation resistance meter that changes the value of the insulation resistor, marks are provided on the digital display section to display "0" and "∞", and the value of the insulation resistor is "0" Ω and "∞". ∞”, an analog comparator is provided to detect this.
The output signal of the comparator is used to
1. An insulation resistance meter characterized by displaying "0" and "∞" marks.
JP14560088U 1988-11-08 1988-11-08 Pending JPH02120080U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14560088U JPH02120080U (en) 1988-11-08 1988-11-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14560088U JPH02120080U (en) 1988-11-08 1988-11-08

Publications (1)

Publication Number Publication Date
JPH02120080U true JPH02120080U (en) 1990-09-27

Family

ID=31414336

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14560088U Pending JPH02120080U (en) 1988-11-08 1988-11-08

Country Status (1)

Country Link
JP (1) JPH02120080U (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS492226U (en) * 1972-04-07 1974-01-10
JPS5130545B1 (en) * 1971-06-04 1976-09-01
JPS60201265A (en) * 1984-03-27 1985-10-11 Kyowa Dengiyou:Kk Insulation resistance tester

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5130545B1 (en) * 1971-06-04 1976-09-01
JPS492226U (en) * 1972-04-07 1974-01-10
JPS60201265A (en) * 1984-03-27 1985-10-11 Kyowa Dengiyou:Kk Insulation resistance tester

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