JPH0274800U - - Google Patents
Info
- Publication number
- JPH0274800U JPH0274800U JP15414188U JP15414188U JPH0274800U JP H0274800 U JPH0274800 U JP H0274800U JP 15414188 U JP15414188 U JP 15414188U JP 15414188 U JP15414188 U JP 15414188U JP H0274800 U JPH0274800 U JP H0274800U
- Authority
- JP
- Japan
- Prior art keywords
- load
- switch
- control device
- power
- switches
- 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
- 238000009499 grossing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 11
Description
第１図はこの考案の第１の実施例の負荷制御装
置の構成を示す回路図、第２図は制御回路に入力
される電圧の波形図、第３図は第１図の回路の具
体構成を示す回路図、第４Ａ図は切替スイツチが
切替端子Ａ側に切り替わつたときの各部の波形図
、第４Ｂ図は切替スイツチが切替端子Ｂ側に切り
替わつたときの各部の波形図、第５図はこの考案
の第２の実施例における制御回路の具体構成を示
す回路図、第６Ａ図は切替スイツチが切替端子Ａ
側に切り替わつたときの各部の波形図、第６Ｂ図
は切替スイツチが切替端子Ｂ側に切り替わつたと
きの各部の波形図、第７図はこの考案の第３の実
施例の負荷制御装置の構成を示す回路図、第８図
は第７図の回路の具体構成を示す回路図、第９Ａ
図はスイツチＳＷ２，ＳＷ３がオフ、オンの組み
合わせにおける第８図の各部の波形図、第９Ｂ図
はスイツチＳＷ２，ＳＷ３がオン、オフの組み合
わせにおける第８図の各部の波形図、第９Ｃ図は
スイツチＳＷ２，ＳＷ３が両方オンの組み合わせ
における第８図の各部の波形図である。
ＡＣ…交流電源、ＬＤ…負荷、ＬＮ１，ＬＮ２
…電源線、ＬＮ３…制御線、ＳＷ１…切替スイツ
チ、ＣＲ１…制御回路、ＳＨ…倍電圧整流平滑電
源回路。
Figure 1 is a circuit diagram showing the configuration of a load control device according to the first embodiment of this invention, Figure 2 is a waveform diagram of the voltage input to the control circuit, and Figure 3 is a specific configuration of the circuit in Figure 1. FIG. 4A is a waveform diagram of each part when the changeover switch is switched to the switching terminal A side, and FIG. 4B is a waveform diagram of each part when the changeover switch is switched to the switching terminal B side. FIG. 5 is a circuit diagram showing the specific configuration of the control circuit in the second embodiment of this invention, and FIG. 6A shows that the changeover switch is connected to the changeover terminal A.
Figure 6B is a waveform diagram of each part when the switch is switched to the switching terminal B side, Figure 7 is a load control device of the third embodiment of this invention. FIG. 8 is a circuit diagram showing the specific configuration of the circuit in FIG. 7, and FIG. 9A is a circuit diagram showing the specific configuration of the circuit in FIG.
The figure shows a waveform diagram of each part in FIG . 8 when the switches SW 2 and SW 3 are off and on, and FIG. 9B shows a waveform diagram of each part in FIG. 8 when the switch SW 2 and SW 3 are on and off. FIG. 9C is a waveform diagram of each part of FIG. 8 in a combination in which both switches SW 2 and SW 3 are on. AC...AC power supply, LD...load, LN 1 , LN 2
...power supply line, LN 3 ... control line, SW 1 ... changeover switch, CR 1 ... control circuit, SH ... voltage doubler rectification smoothing power supply circuit.
Claims (1)
倍電圧整流平滑電源回路から給電される負荷を制
御する負荷制御装置であつて、 前記交流電源の一端および他端にそれぞれ一端
を接続した第１および第２のスイツチと、前記第
１および第２のスイツチの他端に共通接続した１
本の制御線と、前記第１および第２のスイツチの
オンオフの組み合わせの変化に伴う前記制御線の
電圧変化を検出しその検出結果に基づいて前記負
荷を制御する制御回路とを備えた負荷制御装置。 (2) 前記第１および第２のスイツチの少なくと
も一方は電流制限用の直列インピーダンス素子を
有している請求項(1)記載の負荷制御装置。[Claims for Utility Model Registration] (1) A load control device that controls a load supplied with power from a voltage doubler rectifier smoothing power supply circuit connected to an AC power source via two power lines, one end of the AC power source; and a first and second switch having one end connected to the other end thereof, and a first switch having one end commonly connected to the other end of the first and second switch.
A load control device comprising: a main control line; and a control circuit that detects a voltage change of the control line due to a change in the on/off combination of the first and second switches and controls the load based on the detection result. Device. (2) The load control device according to claim (1), wherein at least one of the first and second switches has a series impedance element for current limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15414188U JPH0274800U (en) | 1988-11-25 | 1988-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15414188U JPH0274800U (en) | 1988-11-25 | 1988-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274800U true JPH0274800U (en) | 1990-06-07 |
Family
ID=31430609
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15414188U Pending JPH0274800U (en) | 1988-11-25 | 1988-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274800U (en) |
-
1988
- 1988-11-25 JP JP15414188U patent/JPH0274800U/ja active Pending