The Method of Realizing Intelligent Start-up Control of Electronic Ballast by Timing Control
A start-up control and ballast driver technology, applied in the field of electronics, can solve the problems of energy waste and low service life of electronic ballasts, and achieve the effects of reducing energy consumption of devices, reducing the probability of damage and prolonging the life of devices
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0024] An embodiment of the present invention provides a method for realizing intelligent start-up control of electronic ballasts through timing control, such as figure 1 As shown, it includes a rectification and filtering module for converting AC to DC, a boosting resonance module for boosting the output voltage of the rectification and filtering module to generate an oscillating voltage output to the load, and a boosting resonance module for controlling the boosting resonance In the timing control module of the module, a voltage feedback terminal B is provided on the output circuit of the boost resonance module. The timing control module controls the boost resonance module to stop or start according to the output voltage of the boost resonance module collected by the voltage feedback terminal B. The boost resonance module includes: a power factor correction unit and an LLC resonance unit connected in sequence, the output voltage of the rectification and filtering module is bo...
Embodiment 2
[0030] Such as figure 2As shown, the embodiment of the present invention is based on the basis of the above-mentioned embodiments, and makes a concrete description of the circuit structure.
[0031] The power factor correction unit includes a control chip IC1, a first switch tube Q1, a first inductance coil T1 and a first diode D1. One end of the first inductance coil T1 is connected to the output end of the rectification and filtering module, and the other end passes through the first The diode D1 is connected to the input end of the LLC resonant unit, the other end of the first inductance coil T1 is grounded sequentially through the switching channel of the first switching tube Q1 and the sixth current limiting resistor R6, and the cathode of the first diode D1 passes through The sampling circuit formed by the series connection of the first resistor R1 and the twenty-third resistor R23 is grounded. In the embodiment of the present invention, the series branch also includes ...
PUM
Login to View More Abstract
Description
Claims
Application Information
Login to View More 