JPH0223128U

JPH0223128U -

Info

Publication number: JPH0223128U
Application number: JP9819788U
Authority: JP
Priority date: 1988-07-25
Filing date: 1988-07-25
Publication date: 1990-02-15

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す受信機の正面
図、第２図は切換スイツチの設定状態を示す説明
図、第３図は他の実施例によるハウスコード設定
スイツチの設定状態を示す説明図、第４図は一般
の電力線搬送制御システムの概略図、第５図は同
波形図、第６図は送信波形図、第７図は電文フオ
ーマツトの一例を示す説明図、第８図はブロツク
フイルタの設置例を示す概略図、第９図は従来の
受信機の正面図、第１０図は従来のハウスコード
設定スイツチの設定状態を示す説明図である。１……交流電源、２……電力線、３……発信機
、４……受信機、１４……切換スイツチ。 Fig. 1 is a front view of a receiver showing one embodiment of the present invention, Fig. 2 is an explanatory diagram showing the setting state of the changeover switch, and Fig. 3 shows the setting state of the house code setting switch according to another embodiment. 4 is a schematic diagram of a general power line carrier control system, FIG. 5 is a waveform diagram, FIG. 6 is a transmission waveform diagram, FIG. 7 is an explanatory diagram showing an example of a message format, and FIG. FIG. 9 is a schematic diagram showing an example of the installation of a block filter, FIG. 9 is a front view of a conventional receiver, and FIG. 10 is an explanatory diagram showing the setting state of a conventional house code setting switch. 1... AC power supply, 2... Power line, 3... Transmitter, 4... Receiver, 14... Changeover switch.

Claims

[Scope of utility model registration request]

In a power line carrier control system that performs load control by transmitting and receiving a high frequency signal superimposed on an AC power source of a power line between a transmitter and a receiver, a telegram configured by the high frequency signal is sent to at least one of the transmitter and the receiver. A power line transport control system characterized by being provided with a switch for setting the format of house code to be absent or present.