JPS6196373U - - Google Patents
Info
- Publication number
- JPS6196373U JPS6196373U JP18201784U JP18201784U JPS6196373U JP S6196373 U JPS6196373 U JP S6196373U JP 18201784 U JP18201784 U JP 18201784U JP 18201784 U JP18201784 U JP 18201784U JP S6196373 U JPS6196373 U JP S6196373U
- Authority
- JP
- Japan
- Prior art keywords
- counting circuit
- circuit section
- section
- power supply
- transformer
- 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
- 239000003990 capacitor Substances 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
Description
第１図は本考案の一実施例を示す回路構成図、
第２図は本考案の他の実施例を示す一部回路構成
図、第３図は従来の電子式電力量計を示す回路構
成図である。
１…変圧器、２…変流器、３…電力演算部、４
…計数回路部、５…計数表示部、７…計数回路部
用電源部、２０…補助電源部、２１，２３…ダイ
オード、２２…開閉器、２４…大容量コンデンサ
。
FIG. 1 is a circuit diagram showing an embodiment of the present invention;
FIG. 2 is a partial circuit diagram showing another embodiment of the present invention, and FIG. 3 is a circuit diagram showing a conventional electronic watt-hour meter. 1...Transformer, 2...Current transformer, 3...Power calculation section, 4
...Counting circuit section, 5...Counting display section, 7...Power supply section for counting circuit section, 20...Auxiliary power supply section, 21, 23...Diode, 22...Switch, 24...Large capacity capacitor.
Claims (1)
する変流器と、この変流器及び変圧器で検出され
た負荷電流及び負荷電圧から電力を算出する電力
演算部と、この電力演算部からの出力を計数し記
憶する不揮発性メモリを有する計数回路部と、こ
の計数回路部の計数値を表示する計数表示部と、
前記計数回路部の電源部と、この電源部と前記計
数回路部との間に接続され、前記電源部により充
電される大容量コンデンサ及びこの大容量コンデ
ンサを選択的に前記計数回路部に接続可能な開閉
器とから成る補助電源部とを具備したことを特徴
とする電子式電力量計。 A transformer that detects load voltage, a current transformer that detects load current, a power calculation unit that calculates power from the load current and load voltage detected by the current transformer and the transformer, and from this power calculation unit a counting circuit section having a nonvolatile memory that counts and stores the output of the counting circuit section; a counting display section that displays the counted value of the counting circuit section;
A power supply section of the counting circuit section, a large capacity capacitor connected between this power supply section and the counting circuit section and charged by the power supply section, and this large capacity capacitor can be selectively connected to the counting circuit section. An electronic watt-hour meter characterized by comprising an auxiliary power supply unit consisting of a switch and a switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18201784U JPS6196373U (en) | 1984-11-30 | 1984-11-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18201784U JPS6196373U (en) | 1984-11-30 | 1984-11-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6196373U true JPS6196373U (en) | 1986-06-20 |
Family
ID=30739553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18201784U Pending JPS6196373U (en) | 1984-11-30 | 1984-11-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6196373U (en) |
-
1984
- 1984-11-30 JP JP18201784U patent/JPS6196373U/ja active Pending
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