JPS6055714A - Carrier rejecting filter - Google Patents
Carrier rejecting filterInfo
- Publication number
- JPS6055714A JPS6055714A JP16444783A JP16444783A JPS6055714A JP S6055714 A JPS6055714 A JP S6055714A JP 16444783 A JP16444783 A JP 16444783A JP 16444783 A JP16444783 A JP 16444783A JP S6055714 A JPS6055714 A JP S6055714A
- Authority
- JP
- Japan
- Prior art keywords
- carrier wave
- terminals
- carrier
- supply line
- commercial 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.)
- Granted
Links
Landscapes
- Filters And Equalizers (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明は商用電源ラインに高周波信号を重畳させて通信
を行う商用電源ライン信号伝送方式に用いることができ
る搬送波阻止フィルタに関するものである。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a carrier wave rejection filter that can be used in a commercial power line signal transmission system in which communication is carried out by superimposing a high frequency signal on a commercial power line.
従来例の構成とその問題点
商用電源ライン通信の大きな特徴として、信号伝送路を
新たに布線する必要がない点があげられる。したがって
一般の住宅や店舗等に用いる事によりその特徴を生かす
ことができるが、同一の柱上変圧器内で複数の通信が行
われると相互間で混信したシ、誤動作がおこった勺する
たとえば隣同志の家庭で同一周波数、同一コード方式の
通信機があると、ム宅のコントローラーによってＢ宅の
機器が制御されたシすることになり不都合が発生する。Conventional configuration and its problems A major feature of commercial power line communication is that there is no need to newly install a signal transmission path. Therefore, it is possible to take advantage of its characteristics by using it in general homes, stores, etc. However, if multiple communications are carried out within the same pole transformer, interference may occur between them, and if a malfunction occurs, If there are communication devices with the same frequency and the same code system in the same households, the controller in M's house will control the equipment in B's house, causing an inconvenience.
したがって、各家庭に商用電源ラインに搬送波を阻止す
るフィルタを入れ、隣家への混信。Therefore, each household installs a filter on the commercial power line to block the carrier wave, thereby preventing interference with neighboring houses.
誤動作を防止する必要がある。It is necessary to prevent malfunctions.
発明の目的
本発明は上記搬送波阻止フィルタに工夫をすることによ
って、電力測定、地絡、漏電の検出等を行うことができ
る搬送波阻止フィルタを提供することを目的とするもの
である。OBJECTS OF THE INVENTION It is an object of the present invention to provide a carrier wave rejection filter that is capable of measuring power, detecting ground faults, electric leakage, etc. by modifying the carrier wave rejection filter described above.
発明の構成
本発明は商用電源ラインに重畳させる搬送波成分をトラ
ップする搬送波阻止フィルタ本体に、この搬送波阻止フ
ィルタ内を流れる電流を検出する検出手段を設けた搬送
波阻止フィルタである。Structure of the Invention The present invention is a carrier wave blocking filter in which a carrier wave blocking filter body that traps a carrier wave component to be superimposed on a commercial power supply line is provided with a detection means for detecting a current flowing within the carrier wave blocking filter.
実施例の説明
以下本発明の一実施例について図面を参照して説明する
。第１図に示すものが１本発明の−実施例における搬送
波阻止フィルタであり−６家庭内の電源ラインと柱上変
圧器との間に挿入することにより、搬送波信号が外部に
漏洩するのを防止することができる。第１図において、
端子人 Ａ／側が家庭内端子Ｂ 、 Ｂ’側が柱上変圧
器側である。Ｌｌ。DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. What is shown in Figure 1 is a carrier wave rejection filter according to an embodiment of the present invention.6 It is inserted between a domestic power line and a pole transformer to prevent carrier wave signals from leaking to the outside. It can be prevented. In Figure 1,
The terminal person A/ side is the home terminal B, and the B' side is the pole transformer side. Ll.
Ｌ２ は並列共振用インダクタンス＋ ｃｌ 、 Ｃ２
は並列共振用キャパシタンス−Ｌ５は直列共振用インダ
クタンス−０５は直列共振用キャパシタンスであり。L2 is parallel resonance inductance + cl, C2
is the capacitance for parallel resonance -L5 is the inductance for series resonance -05 is the capacitance for series resonance.
搬送波阻止フィルタ本体を構成している。It constitutes the main body of the carrier wave rejection filter.
本発明の特徴とするところは搬送波阻止フィルタ水沫の
並列共振用インダクタンスＬ、、Ｌ２に商用電流検出用
コイル１１４．Ｌ５を設けることにより一端子Ａ −８
間、端子Ａ′−Ｂ′間に流れる電流を検出しようとする
ものである。第２図に一本発明による通電電流検出機能
を備えた搬送波阻止フィルタを用いた家庭用簡易電力積
算装置のブロック図を示す。１は本発明による搬送波阻
止フィルタ、２は電流電圧変換回路、３はアナログディ
ジタル（Ａ−Ｄ）変換回路、４はサンプリングパルス発
生回路、６は積算部である。The present invention is characterized by the parallel resonance inductance L, L2 of the carrier wave blocking filter water droplets and the commercial current detection coil 114. By providing L5, one terminal A-8
The purpose is to detect the current flowing between terminals A' and B'. FIG. 2 shows a block diagram of a simple household power integration device using a carrier rejection filter having a current detection function according to the present invention. 1 is a carrier wave rejection filter according to the present invention, 2 is a current-voltage conversion circuit, 3 is an analog-to-digital (A-D) conversion circuit, 4 is a sampling pulse generation circuit, and 6 is an integration section.
通電検出機能を備えた搬送波阻止フィルタ１から、商用
電源ラインに流れる電流値を取り出し一電流電圧変換回
路２に入力する。電流電圧変換回路は入力された電流値
に応じた電圧ａを出力する。A current value flowing through a commercial power line is taken out from a carrier wave blocking filter 1 equipped with an energization detection function and inputted to a current-voltage conversion circuit 2. The current-voltage conversion circuit outputs a voltage a according to the input current value.
出力電圧ａはムーＤ変換回路３に導かれサンプリングパ
ルス発生回路４の出力すに応じてＡ−Ｄ変換され一入力
端子に応じたディジタル出力Ｃを得る。積算部６は入力
されたディジタル信号Ｃから瞬時電力ｄと積算電力量ｅ
を出力する。この搬送波阻止フィルタは従来の搬送波阻
止フィルタと比べて、電流検出巻線Ｌ４ 、 Ｌ５を増
やすだけでよいので、きわめて簡単かつ安価に作ること
ができる。The output voltage a is guided to the Mu-D converter circuit 3, where it is A-D converted according to the output of the sampling pulse generator circuit 4, and a digital output C corresponding to one input terminal is obtained. The integrating unit 6 calculates instantaneous power d and integrated power e from the input digital signal C.
Output. Compared to conventional carrier wave rejection filters, this carrier wave rejection filter can be manufactured very simply and at low cost since it is only necessary to increase the number of current detection windings L4 and L5.
今後、一般家庭では一エネルギ７管理等の要求が増加す
ると思われ、インテリジェント化されたエネルギー管理
端末、ホームコンピューター等の電力量検出用センサー
としてもその効果は大きい。In the future, it is expected that the demand for energy management will increase in general households, and it will be very effective as an intelligent energy management terminal, a sensor for detecting the amount of electricity used in home computers, etc.
さらに、この搬送波阻止フィルタは第２図−Ａ−８間
Ａ／ Ｂ／間の電流値を検出できるから一第３図の様に
−Ａ−Ｂ間 Ａ／−８１間の電流を比較することによシ
家電機器の地絡、漏電等の検出を行うことができる。第
３図において−２，２’は電流電圧変換回路、６は差電
圧比較回路である。Furthermore, this carrier rejection filter is
Since the current value between A/B/ can be detected, earth faults, leakage, etc. in home appliances can be detected by comparing the current between -A and B and A/-81 as shown in Figure 3. be able to. In FIG. 3, -2 and 2' are current-voltage conversion circuits, and 6 is a differential voltage comparison circuit.
発明の効果
以上のように本発明によれば、搬送波阻止フィルタに電
流検出手段をｉけることにより、電力測定、漏電等の検
出を行うことができるものである。Effects of the Invention As described above, according to the present invention, by providing a current detection means in a carrier wave blocking filter, it is possible to measure power and detect electrical leakage.
第１図は本発明の一実施例における搬送波阻止フィルタ
の回路図、第２図、第３図はそれぞれ同搬送波阻止フィ
ルタを用いた装置のブロック図である。
ム、ム’、Ｂ、Ｂ’・・・・・・端子−Ｌｌ、、Ｌ２・
−・・・・並列共振用インダクタンス、Ｃ１，Ｃ２・・
・・・・並列共振用キャパシタンス、ｈｓ・・・・・・
直列共振用インダクタンス。
Ｃ５・・・・・・直列共振用キャパシタンス＋ Ｌ４
、 Ｌ５・・・・・・電流検出用コイル。FIG. 1 is a circuit diagram of a carrier-wave rejection filter according to an embodiment of the present invention, and FIGS. 2 and 3 are block diagrams of devices using the carrier-wave rejection filter, respectively. M, M', B, B'...Terminal -Ll,, L2.
-... Parallel resonance inductance, C1, C2...
...Parallel resonance capacitance, hs...
Inductance for series resonance. C5...Series resonance capacitance + L4
, L5...Current detection coil.
Claims (1)
搬送波阻止フィルタ本体に、この搬送波阻止フィルタ内
を流れる電流を検出する検出手段を設けた搬送波阻止フ
ィルタ。A carrier wave blocking filter that includes a carrier wave blocking filter body that traps a carrier wave component to be superimposed on a commercial power supply line, and a detection means for detecting a current flowing within the carrier wave blocking filter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16444783A JPS6055714A (en) | 1983-09-06 | 1983-09-06 | Carrier rejecting filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16444783A JPS6055714A (en) | 1983-09-06 | 1983-09-06 | Carrier rejecting filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6055714A true JPS6055714A (en) | 1985-04-01 |
| JPH0562488B2 JPH0562488B2 (en) | 1993-09-08 |
Family
ID=15793336
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16444783A Granted JPS6055714A (en) | 1983-09-06 | 1983-09-06 | Carrier rejecting filter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6055714A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4881942B2 (en) * | 2005-03-07 | 2012-02-22 | ルノー・エス・アー・エス | Oil circulation device for internal combustion engine |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51139701A (en) * | 1975-05-28 | 1976-12-02 | Tdk Corp | Noise protector |
-
1983
- 1983-09-06 JP JP16444783A patent/JPS6055714A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51139701A (en) * | 1975-05-28 | 1976-12-02 | Tdk Corp | Noise protector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4881942B2 (en) * | 2005-03-07 | 2012-02-22 | ルノー・エス・アー・エス | Oil circulation device for internal combustion engine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0562488B2 (en) | 1993-09-08 |
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