JPS6234800U - - Google Patents
Info
- Publication number
- JPS6234800U JPS6234800U JP12770485U JP12770485U JPS6234800U JP S6234800 U JPS6234800 U JP S6234800U JP 12770485 U JP12770485 U JP 12770485U JP 12770485 U JP12770485 U JP 12770485U JP S6234800 U JPS6234800 U JP S6234800U
- Authority
- JP
- Japan
- Prior art keywords
- lighting device
- control circuit
- ring counter
- power supply
- lighting
- 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
- 230000010355 oscillation Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 8
Description
第１図はこの考案の第１の実施例の回路図、第
２Ａ図、第２Ｂ図はその各部のタイミング図、第
３図はこの考案の第２の実施例の回路図、第４図
はこの考案の第３の実施例の回路図、第５図はこ
の考案の第４の実施例の回路図、第６Ａ図、第６
Ｂ図はその各部のタイミング図、第７図および第
８図は従来例の回路図である。
１……商用電源、２〜４……照明負荷、５〜７
……サイリスタ、８Ｃ……制御回路、ＳＷ……ス
イツチ、……弛張発振回路、……リングカウ
ンタ。
Fig. 1 is a circuit diagram of the first embodiment of this invention, Figs. 2A and 2B are timing diagrams of each part thereof, Fig. 3 is a circuit diagram of the second embodiment of this invention, and Fig. 4 is a circuit diagram of the second embodiment of this invention. FIG. 5 is a circuit diagram of the third embodiment of this invention, and FIG. 6A is a circuit diagram of the fourth embodiment of this invention.
FIG. B is a timing diagram of each part, and FIGS. 7 and 8 are circuit diagrams of a conventional example. 1...Commercial power supply, 2-4...Lighting load, 5-7
...Thyristor, 8C...Control circuit, SW...Switch, ...Relaxation oscillation circuit, ...Ring counter.
Claims (1)
の給電をそれぞれ断続する複数のサイリスタと、
所定の繰返し周期で前記複数のサイリスタに順次
選択的にゲート信号を与える制御回路と、この制
御回路における繰返し周期を電源半波時間を境に
して長短に切換えるスイツチとを備えた照明装置
。 (2) 前記制御回路は、弛張発振回路と、この弛
張発振回路の出力がクロツクパルスとして加えら
れるリングカウンタとで構成されている実用新案
登録請求の範囲第(1)項記載の照明装置。 (3) 前記リングカウンタがサイリスタリングカ
ウンタである実用新案登録請求の範囲第(2)項記
載の照明装置。 (4) 前記リングカウンタがシフトレジスタで構
成されている実用新案登録請求の範囲第(2)項記
載の照明装置。 (5) 前記制御回路はループ状に接続してなる複
数の単安定マルチバイブレータで構成されている
実用新案登録請求の範囲第(1)項記載の照明装置
。 (6) 前記制御回路は、電源周波のゼロクロス点
付近でのみ前記ゲート信号を出力するようにして
いる実用新案登録請求の範囲第(1)項記載の照明
装置。[Claims for Utility Model Registration] (1) A plurality of lighting loads, and a plurality of thyristors that respectively intermittent power supply to the plurality of lighting loads;
A lighting device comprising: a control circuit that sequentially and selectively applies gate signals to the plurality of thyristors at a predetermined repetition cycle; and a switch that switches the repetition cycle of the control circuit to a long or short time using a power supply half-wave time. (2) The lighting device according to claim 1, wherein the control circuit includes a relaxation oscillation circuit and a ring counter to which the output of the relaxation oscillation circuit is added as a clock pulse. (3) The lighting device according to claim (2), wherein the ring counter is a thyristor ring counter. (4) The lighting device according to claim (2), wherein the ring counter is constituted by a shift register. (5) The lighting device according to claim (1), wherein the control circuit is constituted by a plurality of monostable multivibrators connected in a loop. (6) The lighting device according to claim (1), wherein the control circuit outputs the gate signal only near the zero-crossing point of the power supply frequency.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12770485U JPH0431759Y2 (en) | 1985-08-20 | 1985-08-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12770485U JPH0431759Y2 (en) | 1985-08-20 | 1985-08-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6234800U true JPS6234800U (en) | 1987-02-28 |
| JPH0431759Y2 JPH0431759Y2 (en) | 1992-07-30 |
Family
ID=31022713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12770485U Expired JPH0431759Y2 (en) | 1985-08-20 | 1985-08-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0431759Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63277468A (en) * | 1987-04-21 | 1988-11-15 | ルトロン・エレクトロニクス・カンパニー・インコーポレーテッド | Power control circuit with phase-controlled signal input |
-
1985
- 1985-08-20 JP JP12770485U patent/JPH0431759Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63277468A (en) * | 1987-04-21 | 1988-11-15 | ルトロン・エレクトロニクス・カンパニー・インコーポレーテッド | Power control circuit with phase-controlled signal input |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0431759Y2 (en) | 1992-07-30 |
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