Quick charging circuit
A fast charging and circuit technology, applied in battery circuit devices, circuit devices, current collectors, etc., can solve the problems of circuit linearity, poor load regulation, high product repair rate, insufficient current and voltage, etc., to improve circuit linearity and load. Adjustability, circuit simplification and practicality, and the effect of improving reliability
Active Publication Date: 2017-03-08
JIANGXI BESTON ELECTRONICS TECH
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Problems solved by technology
[0002]The power charger is a kind of household equipment commonly used in people's daily life. Many household appliances such as mobile phones, computers, and electric vehicles will use the charger; the existing charger The styles and objects of use are different, but the existing chargers mostly use discrete components, and the use of a large number of discrete components leads to high processing costs and complex processes, resulting in a high repair rate of products. In addition, the circuit structure is relatively complicated, and the circuit reliability is not high. , the circuit linearity and load regulation are poor, and it consumes more energy, and the output current and voltage are not large enough to perform fast charging, and the charging speed is too slow
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[0008] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0009] See figure 1, a fast charging circuit, including a power input circuit and a rectification filter circuit connected in sequence, a high frequency transformer T1, a clamping circuit, a fast charging circuit, the high frequency transformer T1 includes a main winding, a secondary winding and an auxiliary winding, the Both the rectification filter circuit and the clamping circuit are connected to the main winding of the high-frequency transformer T1, the high-frequency transformer T1 is connected to the fast-shooting circuit, and the clamping circuit is also connected to the fast-shooting circuit; the fast-shooting circuit includes a Zener diode ZD1, fourth resistor R4, third resistor R3, fifth resistor R5, third capacitor C3, fourth capacitor C4, fifth capacitor C5, second diode D2, main control IC chip U1, sixth resistor R6, The seventh r...
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The invention discloses a quick charging circuit, the circuit comprises a power input circuit, a rectifier and filter circuit, a high-frequency transformer, a clamping circuit and a quick charging circuit, the rectifier and filter circuit is connected with the main winding of the high-frequency transformer, the clamping circuit is connected with the main windings of the quick charging circuit and the high-frequency transformer to absorb reverse interference of the transformer so that interference suffered by the power supply in transformation is prevented, the output end of the high-frequency transformer is connected with the quick charging circuit, the quick charging circuit can utilize the direct voltage outputted by the output end of the high-frequency transformer to supply power, the quick charging circuit is integrated in a charger circuit, so that the quick charging of a charger can be realized.
Description
technical field [0001] The invention relates to the field of charging circuits, in particular to a fast charging circuit. Background technique [0002] The power charger is a kind of household equipment commonly used in people's daily life. Many household appliances such as mobile phones, computers, and electric vehicles will use chargers; the styles and objects of use of existing chargers are different, but there are many The use of discrete components and the use of a large number of discrete components lead to high processing costs and complex processes leading to a high repair rate of products. In addition, the circuit structure is relatively complicated, the circuit reliability is not high, the circuit linearity, load regulation are poor, and it consumes more energy. Moreover, the output current and voltage are not large enough to perform fast charging, and the charging speed is too slow. Contents of the invention [0003] The object of the present invention is to pr...
Claims
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Login to View More IPC IPC(8): H02J7/02
CPCH02J7/027H02J7/02
Inventor 吴潮
Owner JIANGXI BESTON ELECTRONICS TECH