Working power supply circuit
A working power supply and circuit technology, applied in charge balancing circuits, battery circuit devices, safety/protection battery circuits, etc., can solve the problems of inconsistent floating charging voltage, affecting battery discharge capacity, etc., and achieve the effect of improving circuit reliability.
Pending Publication Date: 2018-08-17
沈阳劲达科技有限公司
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Problems solved by technology
During the charging process of the battery, the floating charge voltage will be inconsistent with the use environment and its own differences, which will affect the discharge capacity of the battery; therefore, an intelligent battery management system is needed, and the working power circuit is a part of the intelligent battery management system
Method used
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Embodiment Construction
[0029] As shown in the figure, the present invention can be applied to an intelligent battery management system. The intelligent battery management system includes an internal resistance detection sensor, a current detection sensor and a host computer. The detection signal input port of the internal resistance detection sensor is connected to the positive and negative poles of the battery. The positive pole of the battery is connected to the positive output terminal of the charger through the detection signal input terminal of the current detection sensor, the negative pole of the battery is connected to the negative output terminal of the charger, and the detection signal output terminal of the current detection sensor is connected to the current detection signal input port of the host computer , the detection signal output port of the internal resistance detection sensor is connected to the internal resistance detection signal input port of the host computer.
[0030] The int...
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Abstract
A working power supply circuit belongs to the technical field of a power supply circuit, and particularly to a working power supply circuit. The working power supply circuit according to the inventionhas high reliability. The working power supply circuit comprises an LY1039F chip U1 and an LD1117-ADJ chip A1. The first pin of the U1 is connected with the fourth pin of U1 and the cathode of a diode V3. The anode of the diode V3 is connected with one end of an inductor L2, the third pin of a six-pin miniature self-locking switch S2, the fourth pin of S2 and one end of S2 and one end of a resistor R2. The other end of the inductor L2 is connected with the second pin of U1 and the anode of the diode V2. The cathode of the diode V2 is connected with one end of a capacitor C9, one end of a resistor R8 and one end of a resistor R10. The fifth pin of U1 is connected with the other end of the capacitor C9, the other end of the resistor R8 and one end of a resistor R1. The third pin of U1 is connected with a first ground line, the other end of the resistor R1, one end of a capacitor C11 and one end of a capacitor C26.
Description
technical field [0001] The invention belongs to the technical field of power circuits, and in particular relates to a working power circuit. Background technique [0002] A battery is a device that converts chemical energy directly into electrical energy. During the charging process of the battery, the floating charge voltage will be inconsistent with the use environment and its own differences, which will affect the discharge capacity of the battery; therefore, an intelligent battery management system is needed, and the working power circuit is a part of the intelligent battery management system. Contents of the invention [0003] The present invention aims at the above problems and provides a highly reliable working power supply circuit. [0004] In order to achieve the above object, the present invention adopts the following technical scheme, the present invention includes LY1039F chip U1 and LD1117-ADJ chip A1, 1 pin of U1 is connected with 4 pins of U1, diode V3 cath...
Claims
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Login to View More IPC IPC(8): H02J7/00
CPCH02J7/0021H02J7/0022H02J7/0026H02J7/0016
Inventor 齐威虎陈传彪孙登科王龙生周志远郭士波王土荣王利邱莎莎王丽梅
Owner 沈阳劲达科技有限公司