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Charging device

A charging device and technology to be charged, applied in the direction of circuit devices, battery circuit devices, current collectors, etc., can solve problems such as line aging and fire, difficult fault maintenance, charging failure, etc.

Inactive Publication Date: 2019-05-07
李洪飞
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The storage batteries in the high-power conversion online UPS system have a large capacity and a large number, so a large charging current is required. The traditional DC / DC converter generates heat when it works for a long time under heavy load conditions. In the actual charging process In addition, the battery is an important backup power source, and it is necessary to monitor the output voltage of each battery in the battery cabinet and the temperature of the battery cabinet in real time. The traditional UPS battery monitoring system uses wired monitoring. method, the large number of batteries in the battery cabinet requires complex line interleaved connection, which is prone to line aging and fire, and it is difficult to carry out later fault maintenance. Therefore, it is urgent to transform the battery monitoring system

Method used

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Embodiment Construction

[0011] The present invention will be further described below in conjunction with the accompanying drawings.

[0012] Such as figure 1 with figure 2 The charging device shown includes a switching tube circuit, a PWM controller and an auxiliary circuit. The input terminal of the switching tube circuit is connected to the positive pole of the input power supply. off, the auxiliary circuit supplies power to the PWM controller, the output end of the switching tube circuit is connected to one end of the inductor, the other end of the inductor is connected to the filter capacitor, the other end of the filter capacitor is connected to the negative pole of the input power supply, and the two ends of the filter capacitor are the output ends of the charging device. Charge the device to be charged.

[0013] In order to charge the parts to be charged with a constant voltage, a feedback loop is also included. The feedback loop detects the output voltage of the output terminal of the char...

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Abstract

The invention provides a charging device in the technical field of power supply, which comprises a switch tube circuit, a PWM controller and an auxiliary circuit. The input end of the switch tube circuit is connected with the positive pole of an input power supply. A mains supply is used as the input power supply after rectification. The PWM controller controls the on-off of the switch tube circuit. The auxiliary circuit supplies power to the PWM controller. The output end of the switch tube circuit is connected with one end of an inductor, and the other end of the inductor is connected with afilter capacitor. The other end of the filter capacitor is connected with the negative pole of the input power supply. The two ends of the filter capacitor serve as the output end of the charging device and charge an apparatus to be charged. The charging device of the invention can charge a battery stably.

Description

technical field [0001] The invention relates to a charging device, in particular to a device for charging a battery. Background technique [0002] The storage batteries in the high-power conversion online UPS system have a large capacity and a large number, so a large charging current is required. The traditional DC / DC converter generates heat when it works for a long time under heavy load conditions. In the actual charging process In addition, the battery is an important backup power source, and it is necessary to monitor the output voltage of each battery in the battery cabinet and the temperature of the battery cabinet in real time. The traditional UPS battery monitoring system uses wired monitoring. In this way, the large number of batteries in the battery cabinet requires complex line interleaved connection, which is prone to line aging and fire, and it is difficult to carry out later fault maintenance. Therefore, it is urgent to transform the battery monitoring system....

Claims

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Application Information

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IPC IPC(8): H02J7/08
Inventor 李洪飞
Owner 李洪飞
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