Safe power supply circuit

A technology of safe power supply and voltage detection circuit, applied in battery circuit devices, circuit devices, measuring current/voltage, etc., can solve overvoltage, overcurrent, reverse charging without protection, charger and battery positive and negative poles cannot be automatically matched And other issues

Inactive Publication Date: 2015-10-14
ANHUI ZHENGMIN VEHICLE IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This technology solves issues such as excessive voltage levels during power supply while ensuring safe use without harmful results like fires caused by accidental contact between two different types of electrical devices used on an electronic device's charge system (chargers). Additionally, this technology helps match up batteries based upon their type, making them easier to replace if needed again.

Problems solved by technology

The technical problem addressed in this patented text relates how to ensure that an electrical car's power supply matches its needs with other batteries when they are charged on their own system without causing damage from excessive heat caused by high voltages during recharged states.

Method used

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Embodiment Construction

[0024] In order to facilitate those skilled in the art to better understand the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. The following is only exemplary and does not limit the protection scope of the present invention.

[0025] Such as figure 1 As shown, the safety power supply circuit of the present invention includes a single-chip microcomputer control circuit 6, a loop protection circuit 1, and a step-down and stable voltage power supply circuit 2 for supplying power to the single-chip microcomputer control circuit. The output end of the loop protection circuit is connected to a voltage detection circuit 4, One end of the output end of the voltage detection circuit 4 is connected with the single-chip microcomputer control circuit 6, and one end is connected with the loop switch protection circuit 3, and the output end of the loop switch protection circuit 3 is conn

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Abstract

A safe power supply circuit of the invention comprises a single-chip microcomputer control circuit, a loop protecting circuit and a voltage reducing and stabilizing power supply circuit which supplies electric power to the single-chip microcomputer control circuit. The output end of the loop protecting circuit is connected with a voltage detecting circuit. One end of the output end of the voltage detecting circuit is connected with the single-chip microcomputer control circuit, and the other end is connected with a loop switch protecting circuit. The output end of the loop switch protecting circuit is connected with a current detecting circuit. The output end of the current detecting circuit is connected with the single-chip microcomputer control circuit. The output end of the single-chip microcomputer control circuit is connected with a voltage detecting circuit. The safe power supply circuit can settle the problems of no protecting measures for overvoltage, overcurrent and reverse charging; and incapability of realizing automatic matching between a charger and an anode and a cathode of a battery. Higher safety and higher user-friendly performance of an electric vehicle are realized.

Description

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Claims

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Application Information

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Owner ANHUI ZHENGMIN VEHICLE IND
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