JPS61161032A - Power line carrier control system - Google Patents
Power line carrier control systemInfo
- Publication number
- JPS61161032A JPS61161032A JP60001845A JP184585A JPS61161032A JP S61161032 A JPS61161032 A JP S61161032A JP 60001845 A JP60001845 A JP 60001845A JP 184585 A JP184585 A JP 184585A JP S61161032 A JPS61161032 A JP S61161032A
- Authority
- JP
- Japan
- Prior art keywords
- information
- power line
- carrier wave
- code
- unit
- 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
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
- H02J13/00007—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using the power network as support for the transmission
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02B90/20—Smart grids as enabling technology in buildings sector
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
- Y04S40/121—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using the power network as support for the transmission
Abstract
Description
【発明の詳細な説明】
［発明の技術分野］
本発明は、例えば屋内電力線を使用して親機から負荷を
制御する子機へ情報を送信して負荷制御を行なう電力線
搬送制御システテムに関する。DETAILED DESCRIPTION OF THE INVENTION [Technical Field of the Invention] The present invention relates to a power line transport control system that performs load control by transmitting information from a master unit to a slave unit controlling the load using, for example, an indoor power line.
［発明の技術的背景とその問題点］
例えば１軒の家庭内で屋内電力線を使用して親機から照
明機具、テレビ等の各種電気器具からなる負荷を制御す
る子機へ゛情報を送信して負荷制御を行なう電力線搬送
制御システムとしては第３図に示すように商用文流電ｍ
１に接続された電力線２に、送信部、受信部及びデータ
処理部を有する親機３を接続すると共に、その親機３と
同様に送信部、受信部及びデータ処理部を有する複数の
子機４−１．４−２．・・・４−ｎを接続し、親機３か
ら第４図に示すように電源周波数に情報に基づいてビッ
トが［１］のとき高周波信号を搬送波として重畳させ、
それを各子機４−１〜４−ｎで受信してデータの判読を
行ないそれぞれの負荷５−１゜５−２．・・・５−ｎを
制御するようにしている。この場合、親機３から送信さ
れる情報は例えば第５図（ａ）に示すように１ビツトの
スタート（開始）フラグＳＴＦ、制御内容を示す４ビツ
トのコマンド（指令）データＣＭＤ、各家庭毎に予め設
定された４ビツトのホームコードｌ−１−ＡＤＲ，各子
機４−１〜４−ｎ毎に設定された４ビツトのユニットコ
ードＵ−ＡＤＲ，データの信頼性を確認するためのパリ
ティとしてのチェックサムデータＣ８〜１で構成されて
いる。この親機３からの情報を受信した各子機４−１〜
４−ｎからは第５図（ｂ）に示す４ビツトのアクノリッ
ジ（確認）データ八〇Ｋが返信される。[Technical background of the invention and its problems] For example, in a single household, indoor power lines are used to transmit information from a parent device to a slave device that controls loads consisting of various electrical appliances such as lighting equipment and televisions. As shown in Figure 3, a power line transport control system that performs load control is a commercial power line transport control system that performs load control.
A base unit 3 having a transmitting unit, a receiving unit, and a data processing unit is connected to the power line 2 connected to the power line 1, and a plurality of slave units having a transmitting unit, a receiving unit, and a data processing unit similarly to the base unit 3 are connected to the power line 2 connected to the power line 1. 4-1.4-2. 4-n is connected, and when the bit is [1] based on the power frequency information from the base unit 3 as shown in FIG. 4, a high frequency signal is superimposed as a carrier wave,
The received data is received by each slave device 4-1 to 4-n, and the data is interpreted by the respective loads 5-1, 5-2. ...5-n is controlled. In this case, the information transmitted from the base unit 3 includes, for example, a 1-bit start flag STF, 4-bit command data CMD indicating control details, and information for each home as shown in FIG. 5(a). 4-bit home code l-1-ADR set in advance for each slave unit 4-1 to 4-n, 4-bit unit code U-ADR set for each handset 4-1 to 4-n, and parity for confirming data reliability. It is composed of checksum data C8 to C1. Each slave unit 4-1 to which received information from this base unit 3
4-n returns 4-bit acknowledge data 80K shown in FIG. 5(b).
なお、前記コマンドデータＣＭＤ、ホームコードＨ−Ａ
ＤＲ，ユニットコードＵ−ＡＤＲ及びアクノリッジデー
タＡＣＫには下表に示す意味付をもたせている。Note that the command data CMD, home code H-A
DR, unit code U-ADR, and acknowledge data ACK have meanings shown in the table below.
（１）コマンドデータＣＭＤ
（ａホームコードＨ−ＡＤＲ
（３）ユニットコードＵ−ＡＤＲ
（勾アクノリッジデータＡＣＫ
ところで、このような電力線搬送制御システムであれば
、野外の電柱などに設けられている同一トランスから電
力線を引いている他の家庭においても採用されている場
合がある。このような場合、自家とその他家とが同一の
ホームコードＨ−ＡＤＲを設定していると、他家からの
情報を自家の各子機４−１〜４−ｎが受信して負荷を誤
動作させてしまう危険性が生じる。(1) Command data CMD (a home code H-ADR (3) Unit code U-ADR (gradient acknowledge data ACK) By the way, in such a power line transport control system, the same transformer installed on an outdoor utility pole etc. It may also be adopted in other households connected to the power line.In such cases, if the same home code H-ADR is set for the home and the other home, information from other homes may not be transmitted to the home. There is a risk that each slave device 4-1 to 4-n will receive the message and cause the load to malfunction.
［発明の目的］
本発明はこのような事情に基づいてなされたものであり
、その目的とするところは、親機に電力線上の搬送波を
選択的に減衰させる減衰回路を設けることによって、ｖ
ｉｔｍが子瀘に対して情報の送信を停止している状態で
自己のホームコードと同一ホームコードを有する情報が
入力された場合にこの情報を含んだ搬送波を減衰でき、
子機がその情報を受信して負荷を誤動作させるのを防止
でき、信頼性を向上できる電力線搬送制御システムを提
供することにある。[Objective of the Invention] The present invention has been made based on the above circumstances, and its purpose is to provide the base unit with an attenuation circuit that selectively attenuates the carrier wave on the power line.
When information having the same home code as its own home code is input while the itm has stopped transmitting information to the child, the carrier wave containing this information can be attenuated;
It is an object of the present invention to provide a power line transport control system that can prevent a slave unit from receiving the information and cause a load to malfunction, and can improve reliability.
［発明の概要１ 本発明は、商用交流電源の電力線に、送信部。[Summary of the invention 1 The present invention provides a transmitter for a power line of a commercial AC power source.
受信部及びデータ処理部を有する親機と送信部。A base device and a transmitter having a receiver and a data processor.
受信部及びデータ処理部を有する子機とを接続し、親機
からコマンド、ホームコードを含む情報を高周波信号を
搬送波として電源周波数に重畳させて電力線上を搬送さ
せ、子機でその搬送波を受信して親機からの情報を判読
して負荷制御を行なう電力線搬送システムにおいて、親
機に電力線上を搬送されている搬送波を選択的に減衰さ
せる減衰回路を設け、子機に対する情報の送信を停止し
ている状態で自己のホームコードと同じホームコードを
有する情報を受信したとき上記減衰回路を駆動してこの
情報を搬送している搬送波を減衰させるようにしたもの
である。A slave unit that has a receiving unit and a data processing unit is connected, and information including commands and home codes from the base unit is superimposed on the power frequency using a high-frequency signal as a carrier wave and transmitted over the power line, and the slave unit receives the carrier wave. In a power line carrier system that performs load control by interpreting information from the parent unit, the parent unit is equipped with an attenuation circuit that selectively attenuates the carrier waves being carried on the power line, stopping the transmission of information to the slave units. When the device receives information having the same home code as its own home code, the attenuation circuit is driven to attenuate the carrier wave carrying this information.
［発明の実施例コ 以下本発明の一実施例を図面を用いて説明する。[Embodiments of the invention] An embodiment of the present invention will be described below with reference to the drawings.
第１図は実施例の電力搬送制御システムを示す回路図で
あり、図中２１は野外の電柱等に設置されたトランスか
ら供給される商用交流電源である。FIG. 1 is a circuit diagram showing a power transfer control system according to an embodiment, and numeral 21 in the figure is a commercial AC power source supplied from a transformer installed on an outdoor utility pole or the like.
この商用交流電源２１に屋内の電力線２２を接続してい
る。そして、電力線２−２に１１１機２３ならびに子１
２４を接続している。通常、子機２４は負荷の設置数に
対応して複数台接続されているが、ここでは１台の場合
についてのみ説明する。An indoor power line 22 is connected to this commercial AC power source 21. 111 aircraft 23 and child 1 on power line 2-2.
24 are connected. Normally, a plurality of child units 24 are connected in correspondence with the number of installed loads, but only one case will be described here.
前記親Ｒ２３は、図示するように結合部２３１゜送信部
２３２．受信部２３３．ゼロクロス検出部２３４、減衰
回路２３５．操作部２３６及びこれ等を駆動制御するマ
イクロプロセッサ２３７等で構成されている。そして、
送信部２３２はマイクロプロセッサ２３７に制御されて
結合部２３１を介して電力線２２へ情報に基づいて高周
波信号を搬送波として出力する。また、受信部２３３は
結合部２３１を介して入力される高周波信号をディジタ
ル信号に変換してマイクロプロセッサ２３７へ供給して
いる。ゼロクロス検出部２３４は電源周波数のゼロクロ
ス点を検出して半サイクル毎の切替わりタイミングをマ
イクロプロセッサ２３７へ知らせる。The parent R23 includes a coupling unit 231, a transmitting unit 232, . Receiving unit 233. Zero cross detection section 234, attenuation circuit 235. It is composed of an operating section 236 and a microprocessor 237 that drives and controls these components. and,
The transmitting section 232 is controlled by the microprocessor 237 and outputs a high frequency signal as a carrier wave to the power line 22 via the coupling section 231 based on the information. Further, the receiving section 233 converts the high frequency signal inputted through the coupling section 231 into a digital signal and supplies the digital signal to the microprocessor 237. The zero-crossing detection unit 234 detects the zero-crossing point of the power supply frequency and notifies the microprocessor 237 of the switching timing for each half cycle.
前記減衰回路２３５は、２本の電力線２２間に接続され
たチョークコイル２３５ａとコンデンサ２３５ｂとトラ
イアック２３５Ｃとからなる直列回路と、このトライア
ック２３５Ｃを導通させるフォトカブラ２３５ｄと、こ
のフォトカブラ２３５ｄへの駆動電流をオン・オフ制御
するスイッチングトランジスタ２３５ｅとで構成されて
いる。The attenuation circuit 235 includes a series circuit including a choke coil 235a, a capacitor 235b, and a triac 235C connected between two power lines 22, a photocoupler 235d that conducts the triac 235C, and a drive to the photocoupler 235d. The switching transistor 235e controls current on and off.
そして、マイクロプロセッサ２３７のＣ出力端子からＨ
レベルの駆動信号が出力されると、スイッチングトラン
ジスタ２３５ｅが導通し、フォトカブラ２３５ｄが駆動
してトライアック２３５Ｃが導通する。その結果、チョ
ークコイル２３５ａ。Then, from the C output terminal of the microprocessor 237,
When the level drive signal is output, the switching transistor 235e becomes conductive, the photocoupler 235d is driven, and the triac 235C becomes conductive. As a result, the choke coil 235a.
コンデンサ２３５ｂが高域遮断フィルタとして作用して
、電力線２２上を搬送されている情報を含んだ搬送波を
減衰させる。Capacitor 235b acts as a high-cut filter to attenuate the information-containing carrier wave being carried on power line 22.
前記操作部２３６はどの負荷を動作させるかを選択し、
その選択信号をマイクロプロセッサ２３７へ供給してい
る。The operation unit 236 selects which load to operate,
The selection signal is supplied to the microprocessor 237.
前記マイクロプロセッサ２３７は、子機２４へ情報を送
信する場合は先ずその情報を準備し、次にゼロクロス検
出部２３４からのゼロクロス検出信号の入力があるとそ
の信号入力から３ｍｓ待って、準備した情報を送信部２
３２へ出力する。なお、ここで３ｍｓ待つのは搬送波に
よって電源周波数のゼロクロス点の検出に支障が生じる
のを防止するためである。このマイクロプロセッサ２３
７から送出される情報は前述した第５図（ａ）に示すよ
うに１ビツトのスタートフラグＳＴＦ、制御内容を示す
４ビツトのコマンドデータＣＭＤ、各家庭毎に設定され
た４ビツトのホームコード）−１−Ａ［）Ｒ２各子機２
４毎に設定された４ビツトのユニットコードＬＪ−ＡＤ
Ｒ，データの信頼性を確認するためのパリティとしての
４ビツトのチェックサムデータＣ８Ｍとで構成されてい
る。−
また、マイクロプロセッサ２３７は、子機２４に対する
情報の送信を停止している状態で電力線２２から結合部
２３１及び受信部２３３を介して情報の受信があると、
第２図に示す流れ図に従って処理を実行するように構成
されている。すなわち、情報の受信があると、先ずスタ
ートフラグＳＴＦを調べ、スタートフラグＳＴＦがある
と次にコマンドデータＣＭＤ及びホームコードＨ・ＡＤ
Ｒを続けて受信する。そして、ホームコードＨ−ＡＤＲ
が自己の送信するホームコードＨ・ＡＤＲと一致してい
るか否かを調べる。そして、一致していなければこの処
理を最初に戻す。When transmitting information to the handset 24, the microprocessor 237 first prepares the information, and then, when a zero-cross detection signal is input from the zero-cross detection section 234, it waits 3 ms from the signal input and transmits the prepared information. Transmitter 2
Output to 32. Note that the reason for waiting 3 ms here is to prevent the carrier wave from interfering with the detection of the zero-crossing point of the power frequency. This microprocessor 23
As shown in FIG. 5(a), the information sent from 7 includes a 1-bit start flag STF, 4-bit command data CMD indicating control details, and a 4-bit home code set for each household. -1-A[)R2 Each slave unit 2
4-bit unit code LJ-AD set every 4
R, and 4-bit checksum data C8M as parity for confirming data reliability. - Furthermore, when the microprocessor 237 receives information from the power line 22 via the coupling unit 231 and the receiving unit 233 while the transmission of information to the handset 24 is stopped,
It is configured to execute processing according to the flowchart shown in FIG. That is, when information is received, the start flag STF is checked first, and if there is a start flag STF, then the command data CMD and home code H/AD are checked.
Continue to receive R. And home code H-ADR
It is checked whether or not it matches the home code H.ADR transmitted by itself. If they do not match, this process is returned to the beginning.
一方、一致していればＣ出力端子から減衰回路２３５に
対してＨレベルの駆動信号を送出する。On the other hand, if they match, an H level drive signal is sent from the C output terminal to the attenuation circuit 235.
その結果、前述したように電力線２２上を搬送されてい
るこの情報を含む搬送波のうちのスタートフラグＳＴＦ
以降は減衰される。As a result, the start flag STF of the carrier waves containing this information being carried on the power line 22 as described above.
After that, it is attenuated.
前記子ｔ！’１２４には、それぞれ前記親機２３の結合
部２３１．送信部２３２．受信部２３３及びゼロクロス
検出部２３４と同一の回路構成をもつ結合部２４１．送
信部２４２．受信部２４３及びゼロクロス検出部２４４
が設けられている。そして、これ等各部２４１，２４２
，２４３．２４４をマイクロプロセッサ２４５で制御し
ている。このマイクロプロセッサ２４５は、電力線２２
から結合部２４１及び受信部２４３を介して入力される
情報を判読して出力端子に接続された出力リレー２５を
付勢するとともに表示素子２６を点灯制御し、かつ送信
部２４２及び結合部２４１を介して電力線２２に前述し
た第５図（ｂ）に示すアクノリッジデータＡＣＫを送信
する。Said child t! '124, the connecting portions 231.'124 of the base unit 23, respectively. Transmission unit 232. A coupling section 241 having the same circuit configuration as the receiving section 233 and the zero-cross detecting section 234. Transmission unit 242. Receiving section 243 and zero cross detection section 244
is provided. And these parts 241, 242
, 243 and 244 are controlled by a microprocessor 245. This microprocessor 245 operates on the power line 22
interprets the information input from the connecting unit 241 and the receiving unit 243, energizes the output relay 25 connected to the output terminal, controls the lighting of the display element 26, and controls the transmitting unit 242 and the connecting unit 241. The acknowledge data ACK shown in FIG. 5(b) is transmitted to the power line 22 via the power line 22.
前記出力リレー２５の常開接点２５ａを介して負荷２７
が電力線２２に接続されている。The load 27 is connected via the normally open contact 25a of the output relay 25.
is connected to the power line 22.
このように構成された電力線搬送制御システムにおいて
、操作部２３６の操作により親機２３から第５図（ａ）
に示す構成の情報を電力線２２に送信し、子機２４はそ
の情報を受信してその情報を判読することによって自己
のユニットコードＵ・ＡＤＲがあれば出力リレー２５を
付勢して負荷２７を動作させるとともに表示素子２６を
点灯して負荷２７の動作状態を知らせる。In the power line transport control system configured as described above, the control unit 23 can be operated from the main unit 23 by operating the operation unit 236 as shown in FIG.
The handset 24 receives and interprets the information, and if it has its own unit code U.ADR, it energizes the output relay 25 and operates the load 27. At the same time, the display element 26 is turned on to notify the operating state of the load 27.
また、親機２３は子ｌｌＩ２４に対する情報の送信を停
止しているときに電力線２２から情報の入力があるとこ
の情報は他家からの情報であると判断してその情報の内
容を調べる。そして、この情報に自己の子機２４対する
情報のホームコードＨ・ＡＤＲがあると子機２４が誤動
作すると判断して減衰回路２３５を駆動させて上記情報
を含む電力線２２上の搬送波を減衰させる。Further, when information is input from the power line 22 while the base unit 23 has stopped transmitting information to the child II 24, the base unit 23 determines that this information is from another house and checks the contents of the information. If this information includes the home code H.ADR of the information for the own handset 24, it is determined that the handset 24 will malfunction, and the attenuation circuit 235 is driven to attenuate the carrier wave on the power line 22 containing the information.
しかして、子機２４は減衰された上記搬送波を受信して
もこの搬送波から情報を正確に判読できない。したがっ
て子機２４はその情報に対してエラー処理を実行するの
で、子機２４にて負荷２７が誤動作されることはない。Therefore, even if the handset 24 receives the attenuated carrier wave, it cannot accurately read information from the carrier wave. Therefore, since the slave device 24 performs error processing on the information, the load 27 in the slave device 24 will not malfunction.
なお、親機２３に自己と同一のホームコードＨ・ＡＤＲ
を有する情報が入力した場合、電力線２２にホームコー
ドＨ−ＡＤＲが重複していることを示す特殊なコードを
含む情報を送出することによって、他家の電力線搬送制
御システムに対してホームコードＨ−ＡＤＲの変更を要
求することも可能である。In addition, the same home code H・ADR as the base unit 23
If information with the home code H-ADR is input, information including a special code indicating that the home code H-ADR is duplicated is sent to the power line 22, thereby transmitting the home code H-ADR to the power line transport control system of another home. It is also possible to request a change in ADR.
［発明の効果］
以上説明したように本発明によれば、親機に電力線上を
搬送されている搬送波を減衰する減衰回路を組込むこと
によって、自己のホームコードと同一のホームコードを
有する情報の入力があるとこの情報を含んだ搬送波を減
衰させるようにしている。したがって、子機の負荷に対
する誤動作を防止できシステム全体の信頼性を向上でき
る。[Effects of the Invention] As explained above, according to the present invention, information having the same home code as its own home code is When there is an input, the carrier wave containing this information is attenuated. Therefore, malfunctions due to the load on the slave device can be prevented and the reliability of the entire system can be improved.
【図面の簡単な説明】
第１図は本発明の一実施例に係わる電力線搬送制御シス
テムを示す回路図、第２図は同実施例の動作を示す流れ
図、第３図はシステム全体の構成を示すブロック図、第
４図は同システムにおける送信波形図、第５図（ａ）は
親機からの送信情報の構成を示す図、同図（ｂ）は子機
からの送信情報の構成を示す図である。
２１・・・商用交流電源、２２・・・電力線、２３・・
・親機、２４・・・子機、２５・・・出力リレー、２７
・・・負荷、２３１．２４１・・・結合部、２３２．２
４２・・・送信部、２３３．２４３・・・受信部、２３
４，２４４・・・ゼロクロス検出部、２３５・・・減衰
回路、２３６・・・操作部、２３７．２４５・・・マイ
クロプロセッサ。[Brief Description of the Drawings] Fig. 1 is a circuit diagram showing a power line carrier control system according to an embodiment of the present invention, Fig. 2 is a flowchart showing the operation of the embodiment, and Fig. 3 shows the overall system configuration. FIG. 4 is a transmission waveform diagram in the same system, FIG. 5(a) is a diagram showing the configuration of information transmitted from the base unit, and FIG. It is a diagram. 21...Commercial AC power supply, 22...Power line, 23...
・Main unit, 24...Slave unit, 25...Output relay, 27
...Load, 231.241...Joining part, 232.2
42... Transmitting section, 233.243... Receiving section, 23
4,244...Zero cross detection unit, 235...Attenuation circuit, 236...Operation unit, 237.245...Microprocessor.
Claims (1)
理部を有する親機と送信部、受信部及びデータ処理部を
有する子機とを接続し、前記親機からコマンド、ホーム
コードを含む情報を高周波信号を搬送波として電源周波
数に重畳させて前記電力線上を搬送させ、前記子機でそ
の搬送波を受信して親機からの情報を判読して負荷制御
を行なう電力線搬送システムにおいて、前記親機は、前
記電力線上を搬送されている前記搬送波を選択的に減衰
させる減衰回路と、前記子機に対する情報の送信を停止
している状態で自己のホームコードと同じホームコード
を有する情報を受信したとき前記減衰回路を駆動してこ
の情報を搬送している搬送波を減衰させる手段とを備え
たことを特徴とする電力線搬送制御システム。A base unit having a transmitter, a receiver, and a data processing unit and a slave unit having a transmitter, a receiver, and a data processor are connected to the power line of a commercial AC power source, and information including commands and home codes is transmitted from the base unit. In the power line carrier system, the base unit superimposes a high-frequency signal on the power supply frequency as a carrier wave and transmits it on the power line, and the slave unit receives the carrier wave and deciphers information from the base unit to perform load control. receives information having the same home code as its own home code with an attenuation circuit that selectively attenuates the carrier wave being carried on the power line and with the transmission of information to the handset stopped. and means for driving the attenuation circuit to attenuate a carrier wave carrying this information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60001845A JPS61161032A (en) | 1985-01-09 | 1985-01-09 | Power line carrier control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60001845A JPS61161032A (en) | 1985-01-09 | 1985-01-09 | Power line carrier control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61161032A true JPS61161032A (en) | 1986-07-21 |
Family
ID=11512883
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60001845A Pending JPS61161032A (en) | 1985-01-09 | 1985-01-09 | Power line carrier control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61161032A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6340044U (en) * | 1986-08-29 | 1988-03-15 | ||
| JPS63191498A (en) * | 1987-02-04 | 1988-08-08 | Toshiba Heating Appliances Co | Power line carrier control system |
| JPS63196197A (en) * | 1987-02-09 | 1988-08-15 | Toshiba Heating Appliances Co | Carrier control system power line |
| WO2002071644A1 (en) * | 2001-03-07 | 2002-09-12 | Planet System Co., Ltd. | Plug-and-play power line communication device |
| KR20030024262A (en) * | 2001-09-17 | 2003-03-26 | 주식회사 플레넷 | Method for detecting and regulating identifier overlap on power line communication network, electronic appliance connected to subnet of power line communication network and, communication module used in electronic appliance |
| KR100395991B1 (en) * | 2000-11-30 | 2003-08-27 | 마츠시다 덴코 가부시키가이샤 | Setting Apparatus and Setting Method each for Setting Setting Information in Electric Power Line Carrier Communication Terminal Apparatus |
-
1985
- 1985-01-09 JP JP60001845A patent/JPS61161032A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6340044U (en) * | 1986-08-29 | 1988-03-15 | ||
| JPS63191498A (en) * | 1987-02-04 | 1988-08-08 | Toshiba Heating Appliances Co | Power line carrier control system |
| JPS63196197A (en) * | 1987-02-09 | 1988-08-15 | Toshiba Heating Appliances Co | Carrier control system power line |
| KR100395991B1 (en) * | 2000-11-30 | 2003-08-27 | 마츠시다 덴코 가부시키가이샤 | Setting Apparatus and Setting Method each for Setting Setting Information in Electric Power Line Carrier Communication Terminal Apparatus |
| WO2002071644A1 (en) * | 2001-03-07 | 2002-09-12 | Planet System Co., Ltd. | Plug-and-play power line communication device |
| KR20030024262A (en) * | 2001-09-17 | 2003-03-26 | 주식회사 플레넷 | Method for detecting and regulating identifier overlap on power line communication network, electronic appliance connected to subnet of power line communication network and, communication module used in electronic appliance |
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