JPS61110105U - - Google Patents
Info
- Publication number
- JPS61110105U JPS61110105U JP20083884U JP20083884U JPS61110105U JP S61110105 U JPS61110105 U JP S61110105U JP 20083884 U JP20083884 U JP 20083884U JP 20083884 U JP20083884 U JP 20083884U JP S61110105 U JPS61110105 U JP S61110105U
- Authority
- JP
- Japan
- Prior art keywords
- cables
- cable
- power supply
- measures
- stabilized power
- 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
Links
- 239000004020 conductor Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000013500 data storage Methods 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Landscapes
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
本考案の第１実施例の全体の構成を示す説明図、
第２図は第１図を具体的な電気回路に置換えたよ
うすを示す回路図、第３図はケーブルの導体断面
積Ａよりその導体直流抵抗Ｒを求めるための、導
体断面積Ａと定数Ｋ及び抵抗Ｒとの関係を示す説
明図、第４図は本考案での第２実施例を示すブロ
ツク図、第５図は第２実施例の制御の内容を示す
フローチヤートである。
１…ケーブル、２…測定用リード線、３…ケー
ブル長測定装置、４，５…スイツチ、６…可変抵
抗器、７…抵抗、８…電流計、９…電圧計、１０
…安定化電源、１１…入力端子、１４…ケーブル
長測定装置、１６…電源部、１７…Ａ―Ｄ変換器
、１８…表示部、１９…ＣＰＵ、２０…キーボー
ド、２１…プログラム記憶部、２２…データ記憶
部。
The drawings show an embodiment of the present invention, and FIG. 1 is an explanatory diagram showing the overall configuration of the first embodiment of the present invention.
Figure 2 is a circuit diagram showing how Figure 1 is replaced with a concrete electric circuit, and Figure 3 shows the conductor cross-sectional area A and the constant K used to determine the conductor DC resistance R from the conductor cross-sectional area A of the cable. FIG. 4 is a block diagram showing a second embodiment of the present invention, and FIG. 5 is a flowchart showing the details of control in the second embodiment. DESCRIPTION OF SYMBOLS 1... Cable, 2... Lead wire for measurement, 3... Cable length measuring device, 4, 5... Switch, 6... Variable resistor, 7... Resistance, 8... Ammeter, 9... Voltmeter, 10
... Stabilized power supply, 11 ... Input terminal, 14 ... Cable length measuring device, 16 ... Power supply section, 17 ... A-D converter, 18 ... Display section, 19 ... CPU, 20 ... Keyboard, 21 ... Program storage section, 22 ...Data storage section.
Claims (1)
ブルに電流を供給するための安定化電源と、前記
安定化電源から前記ケーブルに流れる電流を調節
する可変抵抗器と、前記ケーブルに流れる電流を
測定する電流計と、前記ケーブルの両端に発生す
る電圧を測定する電圧計とから構成されているこ
とを特徴とするケーブル長測定装置。 Two cables with terminal ends connected, a stabilized power supply for supplying current to the cables, a variable resistor for adjusting the current flowing from the stabilized power supply to the cables, and measuring the current flowing through the cables. A cable length measuring device comprising: an ammeter that measures the voltage generated at both ends of the cable; and a voltmeter that measures the voltage generated at both ends of the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20083884U JPS61110105U (en) | 1984-12-25 | 1984-12-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20083884U JPS61110105U (en) | 1984-12-25 | 1984-12-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61110105U true JPS61110105U (en) | 1986-07-12 |
Family
ID=30762058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20083884U Pending JPS61110105U (en) | 1984-12-25 | 1984-12-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61110105U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005050128A1 (en) * | 2003-11-19 | 2005-06-02 | Notton Co., Ltd. | An instrument for measuring lengths of electric wires |
-
1984
- 1984-12-25 JP JP20083884U patent/JPS61110105U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005050128A1 (en) * | 2003-11-19 | 2005-06-02 | Notton Co., Ltd. | An instrument for measuring lengths of electric wires |
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