JPS6437193U - - Google Patents
Info
- Publication number
- JPS6437193U JPS6437193U JP13157287U JP13157287U JPS6437193U JP S6437193 U JPS6437193 U JP S6437193U JP 13157287 U JP13157287 U JP 13157287U JP 13157287 U JP13157287 U JP 13157287U JP S6437193 U JPS6437193 U JP S6437193U
- Authority
- JP
- Japan
- Prior art keywords
- power
- carrier signal
- power line
- noise filter
- amount
- 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
- 238000010586 diagram Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 1
Landscapes
- Selective Calling Equipment (AREA)
Description
第１図は本考案による積算電力計装置の構成を
示す図、第２図は本考案による積算電力計装置の
アウトラインとこの装置を使用する電灯線自動検
針装置の構造を示す面、第３図は本考案による積
算電力計装置に使用するノイズフイルタの回路図
、第４図は本考案に使用するノイズフイルタの減
衰特性例である。
記号の説明：１は親機、２はメーター、３は子
機、４はノイズフイルタ、５は積算電力計装置、
６は電力線、８は電話回線、９は電灯線、１１は
カレントトランス、１３はＡ／Ｄ変換回路、１４
は演算回路、１５はインタフエースユニツト、２
１，２２は並列共振回路、２３は直列共振回路を
それぞれあらわしている。
Fig. 1 is a diagram showing the configuration of the integrating wattmeter device according to the present invention, Fig. 2 is a diagram showing the outline of the integrating wattmeter device according to the present invention and the structure of an automatic light line meter reading device using this device, and Fig. 3 is a circuit diagram of a noise filter used in the integrated power meter device according to the present invention, and FIG. 4 is an example of attenuation characteristics of the noise filter used in the present invention. Explanation of symbols: 1 is the main unit, 2 is the meter, 3 is the slave unit, 4 is the noise filter, 5 is the integrated power meter device,
6 is a power line, 8 is a telephone line, 9 is a power line, 11 is a current transformer, 13 is an A/D conversion circuit, 14
is an arithmetic circuit, 15 is an interface unit, 2
1 and 22 represent parallel resonant circuits, and 23 represents a series resonant circuit, respectively.
Claims (1)
算した電力量の自動検針を行う自動検針装置にお
いて、前記搬送信号に対して減衰量を得るような
ノイズフイルタを電力線側に内蔵したことを特徴
とする積算電力計装置。 An automatic meter reading device that automatically reads the integrated power amount by superimposing a carrier signal on a power line via a telephone line, characterized in that a noise filter is built into the power line side to obtain an attenuation amount for the carrier signal. Integrating power meter device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13157287U JPS6437193U (en) | 1987-08-31 | 1987-08-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13157287U JPS6437193U (en) | 1987-08-31 | 1987-08-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6437193U true JPS6437193U (en) | 1989-03-06 |
Family
ID=31387768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13157287U Pending JPS6437193U (en) | 1987-08-31 | 1987-08-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6437193U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5317360A (en) * | 1976-07-30 | 1978-02-17 | Mitsubishi Electric Corp | Power consumption detecting device |
| JPS5968099A (en) * | 1982-10-13 | 1984-04-17 | グレイ・エンジニアリング株式会社 | Remote signal centralized management unit |
-
1987
- 1987-08-31 JP JP13157287U patent/JPS6437193U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5317360A (en) * | 1976-07-30 | 1978-02-17 | Mitsubishi Electric Corp | Power consumption detecting device |
| JPS5968099A (en) * | 1982-10-13 | 1984-04-17 | グレイ・エンジニアリング株式会社 | Remote signal centralized management unit |
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