China manufacturer of magnetic ballasts for metal halide flood lights & hps flood lights

[2013-02-27]

Gas discharge lamps in common is the envelope into the gas ionized gas through the electrode to stimulate visible. The xenon lamp is a gas discharge lamp, but in order to ensure specific properties (such as lifetime, start, speed, etc.) added in the production process of the different inert gases. Gas discharge lamp common fluorescent lamps (CFLs and tubes), high-pressure mercury lamp, high pressure sodium lamps, metal halide lamps....

[2013-02-26]

Segmented light sensing automatically dimmable electronic ballasts, comprising: a rectifier filter circuit, oscillation circuit, the dimming control circuit and the lamp, an oscillation circuit including a first rectifier inductors and the first rectifier diode, the dimming control circuit comprises: a voltage regulatordiode; with the filter capacitor of the Zener diode in parallel, at least a group dimming control sub-circuit, the second rectifier dimming control sub-circuit includes a first rectifier inductive series inductor, the secondary side of the second rectifier inductor in series with a secondorder after the rectifying diode with the dropping resistor and Zener diode in series...

[2013-02-26]

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[2013-02-26]

High pressure sodium ballasts,metal halideelectronic ballasts, which comprises a half-bridge inverter circuit, the bi-directional self-auxiliary power supply circuit, the power output circuit, further comprising a full bridge rectifier circuit and the high-frequency filter circuit, a power factor correction circuit, abnormal protectioncircuit, pulse trigger circuit. The entire circuit to achieve low power instead of high-power, low-cost instead of high-priced. Taken by the two-way self-contained circuit, the ripple has been very small, and increase the power factor correction circuit...

[2013-02-26]

Electronic ballasts for metal halide lamps. Constituted by the housing and advanced electronic circuit technology. Mainly constituted by VMOS power switch-PWM dc / ac power converter has the PWM active phase correction / boost / voltage regulator circuit, PWM controller sweep trigger lighting circuit, self-powered circuit. To solve the the inductance ballast serious defects of the power factor of 0.99, less than 12% of the total current harmonic content, lumens coefficient of 0.97, saving 35% (with magnetic ballast ratio), volume small and lightweight....

[2013-02-25]

Economic electronic ballasts by the cover and mounted on the shell of the bridge rectifier capacitor filter circuit, a high-frequency oscillation switch wave circuit, the output load resonance circuit and jamming circuit design of high harmonics, due to increased absorption circuit...

[2013-02-25]

High pressure sodium electronic ballasts, including EMI filter circuit ballast and the APFC circuit, independent drive circuit LC oscillator circuit, the start trigger circuit, the current sampling cores and MCU controller, high pressure sodium lamp interface with current sampling loop, MCU controlrunning through high on the sampling of the current measured value (lamp short circuit) and low (light open circuit),...

[2013-02-25]

Dimmable fluorescent lamp ballasts, including the filter and rectifier circuit connected to the mains, the stepped dimming sampling circuit, a linear and stepless dimming sampling circuit and dimming control circuit; dimming control circuit comprises a stepped dimmingmodules, linear and stepless dimming module...

[2013-02-25]

The circular lamp electronic ballasts, including into the line (1), the electronic ballasts shell (2), the ring the lampholders (3) into the line (1) on the side of the electronic ballasts shell (2),ballast main components within the ballast shell (2) is loaded, the annular lamp socket...

[2013-02-24]

The timing dimmable high-pressure sodium electronic ballasts and its working methods, the timing dimming circuit includes a buck the output terminal of the filter circuit in for AC connected buck filter circuit, shaping circuit and frequency dividing circuit and the switching circuit;the timing of the timing control signal input terminal connected to the the shaping signal input terminal of the shaping circuit...