100W battery charger suitable for unmanned aerial vehicle
A technology for battery chargers and unmanned aerial vehicles, which is applied in the direction of efficient vehicle charging, electric vehicle charging technology, charging stations, etc., can solve the problem of no segmented charging function, etc., to ensure charging safety and reduce energy transmission loss , the effect of improving efficiency
Inactive Publication Date: 2020-03-27
株洲大川电子技术有限公司
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Problems solved by technology
[0006] No segment charging function
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[0016] In order to make the content of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention.
[0017] Such as Figure 1 to Figure 3 As shown, a 100W battery charger suitable for drones includes: a main control chip, the main control chip is connected to a boost correction, the boost correction and the main control chip are both connected to a flyback transformer, and the flyback The excitation transformer is connected to output synchronous rectification, the synchronous rectification is connected to output filter, red and green indicator light, constant voltage constant current control and overvoltage and overcurrent protection, the output filter is connected to DC output, the red and green indicator light, constant Both the voltage constant current control and the overvoltage and overcurrent p...
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The invention discloses a 100W battery charger suitable for an unmanned aerial vehicle. The system comprises a main control chip, the main control chip is connected with the boost corrector; the boostcorrection and main control chip is connected with the flyback transformer. The flyback transformer is connected with an output synchronous rectifier; the synchronous rectification unit is connectedwith an output filter, a red-green conversion indicating lamp, a constant-voltage constant-current control unit, and an overvoltage and overcurrent protection unit, wherein the output filter is connected with the direct-current output, the red-green conversion indicating lamp, the constant-voltage constant-current control and the overvoltage and overcurrent protection are connected with the feedback module, the feedback module is connected with the main control chip, and AC is boosted and corrected through alternating-current input and input filter input in sequence. Commercial power 90-264Vacvoltage input enters power factor correction through the EMI filtering module so as to reduce harmonic pollution to a power grid, boost topology is adopted to synchronously improve voltage so as to reduce energy transmission loss of a flyback transformer, improve efficiency and reduce temperature rise, and flyback output adopts synchronous rectification.
Description
technical field [0001] The invention relates to the technical field of chargers, in particular to a 100W battery charger suitable for drones. Background technique [0002] The existing charger has the following disadvantages: [0003] High standby power consumption, unable to meet the latest energy efficiency requirements; [0004] The integration level is low, the overall circuit components are many, and the reliability is reduced; [0005] The power factor is low, and the harmonics will pollute the power grid greatly; [0006] There is no segment charging function. Contents of the invention [0007] Aiming at the above-mentioned deficiencies in the prior art, the present invention provides a 100W battery charger suitable for unmanned aerial vehicles, the mains voltage is 90-264Vac input, through the EMI filter module, enters the power factor correction, in order to reduce the power grid Harmonic pollution, the boost topology is used to increase the voltage synchronou...
Claims
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IPC IPC(8): B60L53/14B60L53/62
CPCB60L53/14B60L53/62B60L2200/10Y02T10/72Y02T10/70Y02T10/92Y02T10/7072Y02T90/14Y02T90/12
Inventor 林伟金
Owner 株洲大川电子技术有限公司