Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

After-edge phase controlled light modulator

A phase controller and phase control technology, applied in the field of light source electronics, can solve the problems of stability and reliability, dimming, etc., and achieve the effects of improving work efficiency, low cost, and reducing fatigue

Inactive Publication Date: 2003-12-31
FUDAN UNIV
View PDF0 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the commonly used silicon controlled rectifier (SCR) dimmer belongs to the dimmer of cutting-edge phase control, and generally can only be used for dimming incandescent lamps, and cannot be used for electronic energy-saving lamps, electronic ballast fluorescent lamps and fluorescent lamps that present capacitive impedance. Electronic transformer low-voltage halogen tungsten lamps (electronic spotlights), etc. for stable and reliable dimming

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • After-edge phase controlled light modulator
  • After-edge phase controlled light modulator
  • After-edge phase controlled light modulator

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] 220V MOS-1 dimmer as an example, its electrical schematic diagram is as follows figure 1 As shown, the values ​​of the components are: Vi: 220V 50Hz C 1 : CD11 100μF / 16 Fs: 1A / 250V C 2 : CH111 47nF / 63D 1 ~D 4 : 1N4007C 3 : CH111 10nF / 63R 1 : RT14 0.25W 240KΩ C 4 : CD11 47μF / 16R 2 : RT14 0.25W 22KΩ Q 1 : S9013R 3 +R 2 : WXD3-13 22KΩ Q 2 : NE555R 5 : 2pcs 1W 100KΩ in parallel Q 3 : (1)IRF820(60W) (2)IRF830(100W)R 6 , R 8 : RT14 0.25W 5.1KΩ (3)IRF840(200W) (4)IGBT(1000W) R 7 : RT14 0.25W 360KΩ SCR: BT169 (V AK >50V) R 9 : RT14 0.25W 0.5~2Ω R L : dimmed bulb

[0028] (1)≤60W (2)≤100W

[0029] (3)≤200W (4)≤1000W

[0030] After installation in the usual way, a 220V MOS-1 dimmer can be obtained.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention is related to a light modulator using after-edge phase controllation consists of a light modulating controllor, an electronic after-edge phase controllor, an active switch, an overload protective circuit and a sealed out casing. The after-edge phase controlled light modulator using MOSFET or IGBT as active switch is also called MOS or IGBT light modulator. MOS-1, MOS-2 and MOS-3 modes are suited to be used for electric network in 220-277 V and 100-277 V. Said light modulator can do modulating for not only filament lamp but also electric energy-conserving lamp, electric ballast fluorescent lamp and electric radio lamp with capacitive impedance, it is a new and high technology product to replace silicon controlled light modulator.

Description

technical field [0001] The invention belongs to the field of light source electronics and relates to a dimmer for lamps. Background technique [0002] At present, the commonly used silicon controlled rectifier (SCR) dimmer belongs to the dimmer of cutting-edge phase control, and generally can only be used for dimming incandescent lamps, and cannot be used for electronic energy-saving lamps, electronic ballast fluorescent lamps and fluorescent lamps that present capacitive impedance. Electronic transformer low-voltage halogen tungsten lamps (electronic spotlights), etc. can be dimmed stably and reliably. Contents of the invention [0003] The object of the present invention is to propose a dimmer which can not only dim incandescent lamps, but also stably and reliably dim electronic energy-saving lamps, fluorescent lamps with electronic ballasts and electronic spotlights with capacitive impedance. [0004] The dimmer proposed by the invention is composed of a dimmer control...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
IPC IPC(8): H05B37/02H05B41/392
Inventor 杨根元杨文斌
Owner FUDAN UNIV
Features
  • Generate Ideas
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com