JPS5844797U - discharge lamp dimmer - Google Patents
discharge lamp dimmerInfo
- Publication number
- JPS5844797U JPS5844797U JP13889881U JP13889881U JPS5844797U JP S5844797 U JPS5844797 U JP S5844797U JP 13889881 U JP13889881 U JP 13889881U JP 13889881 U JP13889881 U JP 13889881U JP S5844797 U JPS5844797 U JP S5844797U
- Authority
- JP
- Japan
- Prior art keywords
- phase
- trigger pulse
- discharge lamp
- circuit
- output
- 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
Landscapes
- Discharge-Lamp Control Circuits And Pulse- Feed Circuits (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第、１図は従来の調光器の構成を示す回路図、第２図は
放電灯負荷の入力電流および電圧の波形図、第３図は本
考案の一実施例に係る放電灯用調光器の回路図、そして
第４図は本考案の他の実施例を示す部分的回路図である
。
１・・・交流電源、２・・・負荷、３・・・位相制御素
子、４・・・制御回路、５・・・雑音防止用コイル、６
・・・出力電圧検知回路、７・・・タイマ回路、８・・
・差動増巾器、９・・・リミッタ回路、１０・・・トリ
ガパルス発生回路、１１・・・可変抵抗。
補正 昭５６．１０．２１
実用新案登録請求の範囲を次のように補正する１０実用
新案登録請求の範囲
１ 交流電源と入力交流を整流した後平滑することなし
に高周波変換して放電灯を点灯する高周波変換装置との
間に挿入されて調光制御する位、相制御素子と、この位
相制御素子の点弧角を制御するために予め設定された位
相でトリガパルスを発生する制御回路とを備えた放電灯
用調光器において、
前記制御回路が前記トリガパルスの発生位相の最小角を
限定するリミッタ回路と、電源投入後一定時間動作して
前記トリガパルス発生位相を前記最小角に設定するタイ
マ回路とを具備することを特徴とする放電灯用調光器。
、 ２ 前記制御回路がさらに、位相制御された交流出
力を直流電圧に変換する出力検知回路と、この出力検知
回路の出力と前記点弧角に対応して予め設定される直流
基準電圧とを比較する差動増巾器とを備え、この差動増
巾器の出力により前記トリガパルス発生位相を調節する
前記実用新案登録請求の範囲第１項記載の放電灯用調光
器。
３ 前記トリガパルス発生位相の最小角が０゜１５？ｒ
＝０．２５？ｒである前記実用新案登録請求の範囲第１
項または第２項記載の放電灯用調光器。1 is a circuit diagram showing the configuration of a conventional dimmer, FIG. 2 is a waveform diagram of the input current and voltage of a discharge lamp load, and FIG. 3 is a dimmer control for a discharge lamp according to an embodiment of the present invention. FIG. 4 is a partial circuit diagram showing another embodiment of the present invention. DESCRIPTION OF SYMBOLS 1... AC power supply, 2... Load, 3... Phase control element, 4... Control circuit, 5... Noise prevention coil, 6
... Output voltage detection circuit, 7... Timer circuit, 8...
- Differential amplifier, 9... Limiter circuit, 10... Trigger pulse generation circuit, 11... Variable resistor. Amendment October 21, 1982 Amend the scope of claims for utility model registration as follows 10 Scope of claims for utility model registration 1 After rectifying AC power supply and input AC, high frequency conversion is performed without smoothing to light a discharge lamp. A phase control element is inserted between a high frequency converter to control dimming, and a control circuit generates a trigger pulse at a preset phase to control the firing angle of this phase control element. In the discharge lamp dimmer, the control circuit includes a limiter circuit that limits the minimum angle of the trigger pulse generation phase, and a limiter circuit that operates for a certain period of time after power is turned on to set the trigger pulse generation phase to the minimum angle. A dimmer for a discharge lamp characterized by comprising a timer circuit. , 2 The control circuit further compares the output of the output detection circuit with an output detection circuit that converts the phase-controlled AC output into a DC voltage, and a DC reference voltage that is preset corresponding to the firing angle. A dimmer for a discharge lamp according to claim 1, further comprising a differential amplifier, wherein the trigger pulse generation phase is adjusted by the output of the differential amplifier. 3 Is the minimum angle of the trigger pulse generation phase 0°15? r
=0.25? The first claim of the utility model registration, which is r.
A dimmer for a discharge lamp according to item 1 or 2.
Claims (1)
に高周波変換して放電灯を点灯する高周波変換装置との
間に挿入されて調光制御する位相制御素子と、この位相
制御素子の点弧角を制御するために予め設定された位相
でトリガパルスを発生する制御回路とを備えた放電灯用
調光器において、） 前記制御回路が前記トリガパルスの発生位相の最小角を
限定するリミッタ回路と、電源投入後一定時間動作して
前記トリガパルス発生位相を前記最少角に設定するタイ
マ回路とを具備することを特徴とする放電灯用調光器。 ５．２ 前記制御回路がさらに、位相制御された交流出
力を直流電圧に変換する出力検知回路と、この出力検知
回路の出力と前記点弧角に対応して予め設定される直流
基準電圧とを比較する差動増巾器とを備え、この差動増
巾器の出力により前記トリガパルス発生位相を調節゛す
る前記特許請求の範囲第１項記載の放電灯用調光器。 ３ 前記トリガパルス発生位相の最小角が０゜１５π〜
０．２５’ｗである前記特許請求の範囲第１項または第
２項記載の放、電灯用調光器。[Scope of Claim for Utility Model Registration] 1. A phase control element that is inserted between an AC power source and a high frequency conversion device that rectifies input AC and converts it into a high frequency without smoothing to light a discharge lamp to control dimming. and a control circuit that generates a trigger pulse at a preset phase to control the firing angle of the phase control element, wherein the control circuit generates a trigger pulse at a preset phase. 1. A dimmer for a discharge lamp, comprising: a limiter circuit that limits a minimum angle; and a timer circuit that operates for a certain period of time after power is turned on to set the trigger pulse generation phase to the minimum angle. 5.2 The control circuit further includes an output detection circuit that converts the phase-controlled AC output into a DC voltage, and a DC reference voltage that is preset corresponding to the output of the output detection circuit and the firing angle. The dimmer for a discharge lamp according to claim 1, further comprising a differential amplifier for comparison, and adjusting the trigger pulse generation phase by the output of the differential amplifier. 3 The minimum angle of the trigger pulse generation phase is 0°15π~
A dimmer for a discharge or electric lamp according to claim 1 or 2, which has a power of 0.25'w.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13889881U JPS5844797U (en) | 1981-09-21 | 1981-09-21 | discharge lamp dimmer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13889881U JPS5844797U (en) | 1981-09-21 | 1981-09-21 | discharge lamp dimmer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5844797U true JPS5844797U (en) | 1983-03-25 |
| JPS6324638Y2 JPS6324638Y2 (en) | 1988-07-06 |
Family
ID=29932109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13889881U Granted JPS5844797U (en) | 1981-09-21 | 1981-09-21 | discharge lamp dimmer |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5844797U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135490U (en) * | 1984-02-20 | 1985-09-09 | 佐々木ブラインド工業株式会社 | Venetian blind slat leveling device |
| JPS63127598U (en) * | 1987-02-12 | 1988-08-22 | ||
| JPH02111798U (en) * | 1989-02-27 | 1990-09-06 | ||
| JPH04119099U (en) * | 1991-04-11 | 1992-10-23 | 正雄 陳 | Winding device in window coverings |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50106084U (en) * | 1974-02-05 | 1975-09-01 |
-
1981
- 1981-09-21 JP JP13889881U patent/JPS5844797U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS50106084U (en) * | 1974-02-05 | 1975-09-01 |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60135490U (en) * | 1984-02-20 | 1985-09-09 | 佐々木ブラインド工業株式会社 | Venetian blind slat leveling device |
| JPH031990Y2 (en) * | 1984-02-20 | 1991-01-21 | ||
| JPS63127598U (en) * | 1987-02-12 | 1988-08-22 | ||
| JPH0450797Y2 (en) * | 1987-02-12 | 1992-11-30 | ||
| JPH02111798U (en) * | 1989-02-27 | 1990-09-06 | ||
| JPH04119099U (en) * | 1991-04-11 | 1992-10-23 | 正雄 陳 | Winding device in window coverings |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6324638Y2 (en) | 1988-07-06 |
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