JPH0237384U - - Google Patents
Info
- Publication number
- JPH0237384U JPH0237384U JP11537988U JP11537988U JPH0237384U JP H0237384 U JPH0237384 U JP H0237384U JP 11537988 U JP11537988 U JP 11537988U JP 11537988 U JP11537988 U JP 11537988U JP H0237384 U JPH0237384 U JP H0237384U
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- current
- digital signal
- sends out
- 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
- 230000003321 amplification Effects 0.000 claims description 4
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 4
- 239000003086 colorant Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Measurement Of Current Or Voltage (AREA)
Description
第１図ａ，ｂはそれぞれ本考案の一実施例を示
すブロツク図、斜視図、第２図は従来の電流計測
器の一例を示す斜視図である。
１……方向性電流センサー、２……電圧増幅回
路、３……電圧識別回路、４……表示回路、５…
…電流値表示回路、６……警報回路、７……バツ
テリー、８……電流センサー、９……電流指示計
。
1A and 1B are a block diagram and a perspective view showing an embodiment of the present invention, respectively, and FIG. 2 is a perspective view showing an example of a conventional current measuring device. DESCRIPTION OF SYMBOLS 1... Directional current sensor, 2... Voltage amplification circuit, 3... Voltage identification circuit, 4... Display circuit, 5...
...Current value display circuit, 6...Alarm circuit, 7...Battery, 8...Current sensor, 9...Current indicator.
Claims (1)
給ケーブルとの適正状態及び前記電気設備の漏電
状態を判別する場合に前記電源供給ケーブルに流
れる電流を検出し電圧信号に変換する方向性電流
センサーと、この方向性電流センサーから送出さ
れた電圧を増幅しデジタル信号を送出する電圧増
幅回路と、この電圧増幅回路のデジタル信号を判
別し接点信号を送出する電圧識別回路と、この電
圧識別回路から送出された接点信号により複数色
の表示を行なう表示回路と、前記電圧増幅回路か
ら送出されるデジタル信号を電流値に変換して表
示する電流値表示回路と、前記電圧増幅回路から
送出されるデジタル信号を比較し予め設定した警
報設定値以上であれば警報を発生する警報回路と
、前記各回路に必要な電力を供給するバツテリー
とを有して構成されていることを特徴とする電流
計測器。 a directional current sensor that detects the current flowing through the power supply cable and converts it into a voltage signal when determining the current capacity of the electrical equipment, the appropriate state of the supplied power source and the power supply cable, and the leakage state of the electrical equipment; A voltage amplification circuit that amplifies the voltage sent out from this directional current sensor and sends out a digital signal, a voltage identification circuit that discriminates the digital signal of this voltage amplification circuit and sends out a contact signal, and a voltage identification circuit that amplifies the voltage sent out from this directional current sensor and sends out a digital signal. a display circuit that displays multiple colors using a contact signal; a current value display circuit that converts a digital signal sent from the voltage amplification circuit into a current value and displays the current value; 1. A current measuring device comprising: an alarm circuit that generates an alarm if the comparison value is greater than or equal to a preset alarm setting value; and a battery that supplies necessary power to each of the circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11537988U JPH0237384U (en) | 1988-08-31 | 1988-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11537988U JPH0237384U (en) | 1988-08-31 | 1988-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0237384U true JPH0237384U (en) | 1990-03-12 |
Family
ID=31356984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11537988U Pending JPH0237384U (en) | 1988-08-31 | 1988-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0237384U (en) |
-
1988
- 1988-08-31 JP JP11537988U patent/JPH0237384U/ja active Pending