JPH0821884B2 - Power line carrier - Google Patents
Power line carrierInfo
- Publication number
- JPH0821884B2 JPH0821884B2 JP6272986A JP6272986A JPH0821884B2 JP H0821884 B2 JPH0821884 B2 JP H0821884B2 JP 6272986 A JP6272986 A JP 6272986A JP 6272986 A JP6272986 A JP 6272986A JP H0821884 B2 JPH0821884 B2 JP H0821884B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- power line
- drive
- line carrier
- 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.)
- Expired - Lifetime
Links
- 238000007493 shaping process Methods 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000004069 differentiation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
Description
【発明の詳細な説明】 （イ） 産業上の利用分野 本発明は、電力線を使用してデータを送る電力線搬送
装置における電力線への搬送結合技術に関する。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a carrier coupling technique for a power line in a power line carrier device for transmitting data using a power line.
（ロ） 従来の技術 第３図及び第４図に従来のドライブ回路同調回路を示
す。(B) Conventional Technology FIGS. 3 and 4 show conventional drive circuit tuning circuits.
（10a）、（10b）は周波数変調波のドライブ入力、
（11）はリニヤドライブアンプ、（12）は並列同調結合
回路、（13）は電力線、（14a）、（14b）は周波数変調
波のドライブ入力、（15）はリニヤドライブアンプ、
（16）は並列同調結合回路、（17）は電力線で、データ
を周波数変調のまゝリニヤドライブアンプ（11）又は
（15）で直接増巾して並列同調結合回路（12）又は（1
6）を介して電力線（13）又は（17）へ搬送していた。(10a) and (10b) are drive inputs for frequency modulated waves,
(11) is a linear drive amplifier, (12) is a parallel tuning and coupling circuit, (13) is a power line, (14a) and (14b) are frequency modulation wave drive inputs, and (15) is a linear drive amplifier.
(16) is a parallel tuning coupling circuit, (17) is a power line, and the data is directly amplified by a frequency modulation linear drive amplifier (11) or (15), and a parallel tuning coupling circuit (12) or (1
It was transported to the power line (13) or (17) via 6).
（ハ） 発明が解決しようとする問題点 従来の装置において、周波数変調方式によりデータを
電力線搬送する場合、データを周波数変調後そのまゝの
波形でリニヤドライブして電力線に搬送結合していたた
め、リニヤドライブ回路の消費電力が大きく、従って電
力変換効率が悪くかつその為に電源装置も大型のものが
必要であった。(C) Problems to be Solved by the Invention In the conventional device, when data is carried on the power line by the frequency modulation method, the data is frequency-modulated and linearly driven with the waveform as it is, and the carrier is coupled to the power line. The linear drive circuit consumes a large amount of power, and therefore the power conversion efficiency is poor, and therefore a large power supply device is required.
また、リニヤドライブ回路は、送られてきたデータを
受信する受信部からみてインピーダンスの低い負荷とな
る関係上、搬送休止時には自動的に電力線から切り離す
電気回路が必要であった。Further, the linear drive circuit requires an electric circuit that is automatically disconnected from the power line when the conveyance is stopped because the load has a low impedance when viewed from the receiving unit that receives the transmitted data.
（ニ） 問題点を解決するための手段 本発明は前記問題点を解消し、当該回路の消費電力を
少くしかつ小形化する事と、複数個の子局と親局とのデ
ータ搬送の場合においても負荷相互の影響を軽減する様
にした周波数変調方式、電力線搬送装置を提供するにあ
る。(D) Means for Solving Problems The present invention solves the above problems, reduces the power consumption of the circuit and makes it compact, and in the case of data transfer between a plurality of slave stations and a master station. Also in the above, there is to provide a frequency modulation system and a power line carrier device that reduce the influence of mutual loads.
本発明は入力データ信号を波形成型回路にて方形波に
整形し、ドライブパルス発生回路にて前記方形波を２相
に分割微分し、そのパルス波形をドライブ回路にて電力
増幅し、１次並列同調回路と２次直列同調回路とを介し
て電力線に結合するパルスドライブ方式とした電力線搬
送装置である。According to the present invention, an input data signal is shaped into a square wave by a waveform shaping circuit, the square wave is divided and differentiated into two phases by a drive pulse generating circuit, the pulse waveform is power-amplified by a drive circuit, and primary parallel is performed. A power line carrier device of a pulse drive type that is coupled to a power line via a tuning circuit and a secondary series tuning circuit.
本発明の構成を第１図に示す。波形整形回路（１）、
ドライブパルス発生回路（２）、ドライブ回路（３）、
１次並列同調回路（４）、２次直列同調回路（５）から
構成される。（６）は電力線、（７）は受信回路であ
る。FIG. 1 shows the configuration of the present invention. Waveform shaping circuit (1),
Drive pulse generation circuit (2), drive circuit (3),
It is composed of a primary parallel tuning circuit (4) and a secondary series tuning circuit (5). (6) is a power line, and (7) is a receiving circuit.
（ホ） 作用と実施例 第１図は本発明の実施例で、その各点の波形を第２図
に示す。(E) Operation and Embodiment FIG. 1 shows an embodiment of the present invention, and the waveforms at respective points are shown in FIG.
（ａ）点に周波数変調したデータ信号第２図の（ａ）
を入力し、波形整形回路（１）にて第２図（ｂ）の如き
方形波に整形され、ドライブパルス発生器（２）にて２
相に分割微分されて、第２図（ｃ）及び（ｄ）となり、
このパルス波形をスイッチング回路で構成されたドライ
ブ回路（３）にて電力増巾し、１次並列同調回路（４）
と２次直列同調回路（５）を介して電力線（６）に結合
させる、電力線（６）には電源周波数に搬送された第２
図（ｅ）の波形で搬送される。Data signal frequency-modulated at point (a) (a) in FIG.
Is input, the waveform shaping circuit (1) shapes the square wave as shown in FIG. 2 (b), and the drive pulse generator (2) outputs 2
It is divided and differentiated into phases, as shown in Figs. 2 (c) and (d),
The power of this pulse waveform is increased by the drive circuit (3) composed of the switching circuit, and the primary parallel tuning circuit (4)
And to the power line (6) through the secondary series tuning circuit (5), the power line (6) being coupled to the power line at a second frequency.
It is conveyed in the waveform shown in FIG.
本発明はスイッチング回路で構成されたパルスドライ
ブ方式のため、出力素子は完全にON−OFFし、送信電力
は従来のリニアドライブ方式に比較して1/10〜1/100に
低減される。直列同調回路を追加したのは高調波成分を
低減させるためで、定数を所定の値に選ぶことによりバ
ンドパスフィルタが形成でき受信時の中心周波数ずれ
や、耐ノズル特性の向上がもたらせる等のメリットがあ
る。Since the present invention uses the pulse drive system composed of the switching circuit, the output element is completely turned on and off, and the transmission power is reduced to 1/10 to 1/100 as compared with the conventional linear drive system. The reason why the series tuning circuit is added is to reduce the harmonic components, and by selecting a constant value to a predetermined value, a bandpass filter can be formed, which results in a shift in the center frequency during reception and an improvement in the nozzle resistance characteristics. There is a merit of.
（ヘ） 発明の効果 以上述べた如く、本発明は、周波数変調方式電力線搬
送装置において、データを周波数変調して電力線に結合
するパルスドライブ方式としたため、ドライブ回路の省
電力効率化を図ることができ、その発明の効果は大き
い。(F) Effects of the Invention As described above, according to the present invention, in the frequency modulation type power line carrier, since the pulse drive type is used in which the data is frequency-modulated and coupled to the power line, the power saving efficiency of the drive circuit can be achieved. Yes, the effect of the invention is great.
第１図は本発明電力線搬送装置のシステム構成図、第２
図は各点の波形図、第３図及び第４図は従来装置のドラ
イブ回路同調回路。 （１）……波形整形回路 （２）……ドライブパルス発生回路 （３）……ドライブ回路 （４）……１次並列同調回路 （５）……２次直列同調回路 （６）……電力線 （７）……受信回路 （ａ）〜（ｅ）……第１図（ａ）〜（ｅ）点の波形図FIG. 1 is a system configuration diagram of a power line carrier according to the present invention, and FIG.
The figure shows the waveform diagram of each point, and FIGS. 3 and 4 show the drive circuit tuning circuit of the conventional device. (1) …… Wave shaping circuit (2) …… Drive pulse generation circuit (3) …… Drive circuit (4) …… Primary parallel tuning circuit (5) …… Secondary series tuning circuit (6) …… Power line (7) ...... Reception circuit (a) to (e) ... Waveform diagram of points (a) to (e) in FIG.
Claims (1)
方式電力線搬送装置において、入力データ信号を方形波
に整形する波形成型回路と、前記方形波を２相に分割微
分するドライブパルス発生回路と、該ドライブパルス発
生回路の出力パルスを電力増幅するドライブ回路と、該
ドライブ回路の出力信号を電力線に結合させる１次並列
同調回路と２次直列同調回路とを具備することを特徴と
する電力線搬送装置1. A frequency modulation type power line carrier device for transmitting data using a power line, comprising: a waveform shaping circuit for shaping an input data signal into a square wave; and a drive pulse generation circuit for dividing and differentiation of the square wave into two phases. A power line carrier comprising: a drive circuit for power-amplifying an output pulse of the drive pulse generating circuit; a primary parallel tuning circuit for coupling an output signal of the drive circuit to a power line; and a secondary series tuning circuit. apparatus
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6272986A JPH0821884B2 (en) | 1986-03-19 | 1986-03-19 | Power line carrier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6272986A JPH0821884B2 (en) | 1986-03-19 | 1986-03-19 | Power line carrier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62219723A JPS62219723A (en) | 1987-09-28 |
| JPH0821884B2 true JPH0821884B2 (en) | 1996-03-04 |
Family
ID=13208746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6272986A Expired - Lifetime JPH0821884B2 (en) | 1986-03-19 | 1986-03-19 | Power line carrier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0821884B2 (en) |
-
1986
- 1986-03-19 JP JP6272986A patent/JPH0821884B2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62219723A (en) | 1987-09-28 |
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