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Dimmer system and method

A technology of dimming and dimming module, applied in the field of dimmer system, can solve the problems of discontinuity, gas discharge lamp extinguishing, etc.

Inactive Publication Date: 2014-12-03
伊诺玛特公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

This discontinuity in the alternating current passing through the discharge lamp can even cause the gas discharge lamp to go out

Method used

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  • Dimmer system and method
  • Dimmer system and method

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Embodiment Construction

[0014] refer to figure 1 , figure 2 , Figure 4 , Figures 5a-5b and Figure 6 , the following describes a dimming system 20 and a dimming method 200 according to an embodiment of the present invention.

[0015] For the sake of brevity and clarity, the following description of the invention is limited to applications with respect to gas discharge lamps. However, other applications of the various embodiments of the invention are not excluded, wherein some basic features such as operation, commonality or performance characteristics that are applicable to various embodiments of the invention are also applicable in other applications.

[0016] Preferably, the dimming system 20 is used for coupling a power source 22 and a gas discharge lamp 24 . The power source 22 is configured to provide a varying alternating current half cycle 26 . The dimming system 20 includes a control module 28 for transmitting AC power to the gas discharge lamp 24 to charge the gas discharge lamp 24 ...

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Abstract

An exemplary embodiment of the invention, a dimmer system and a dimming method employed thereby, is described. The dimmer system communicates AC power having alternating AC current half-cycles to a gas discharge lamp for energizing the gas discharge lamp. The AC current half-cycles being communicated to the gas discharge lamp is switchable between a first waveform and a second waveform of different amplitudes. By varying the point whereat the switching occurs, illumination intensity of the gas discharge lamp is varied to thereby effect stepless dimming of the gas discharge lamp.

Description

technical field [0001] The invention relates to a dimmer system and a dimming method for stepless dimming of a gas discharge lamp. Background technique [0002] Traditionally, dimmers for operating magnetic ballast discharge lamps have generally utilized a method of applying phase control to the AC line voltage. The equipment or circuit using this method is generally connected with a bidirectional thyristor, or a pair of silicon-controlled rectifiers (SCR), connected in series with a lighting appliance. The intensity of the discharge lamp is controlled by turning on a switch with a phase angle delay from the origin of the AC line voltage, whereby the AC power connected to the lighting tool is increased or decreased. figure 1 An example of an AC current half-cycle through a discharge lamp is shown when phase control is applied to the AC power supply connected to a discharge lamp by a dimming system. [0003] The main problem associated with the phase control method used to ...

Claims

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Application Information

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IPC IPC(8): H05B41/38H05B41/288H05B37/02
CPCH05B41/295H05B41/3924H05B41/288H05B41/38H05B47/10
Inventor 许永雄
Owner 伊诺玛特公司
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