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Charging system with charging and discharging status real-time monitoring function

A charging and discharging state, real-time monitoring technology, applied to battery circuit devices, current collectors, electric vehicles, etc., can solve the problems of difficult implementation of analog circuit control, single function, inconvenient use, etc.

Inactive Publication Date: 2016-11-23
张翠红
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, most battery chargers on the market use analog circuits for constant current and voltage limiting and constant voltage and current limiting. Charging has a single function and is inconvenient to use. Although a few chargers also have voltage and current adjustment knobs, the same charger must be used for different types of batteries (such as lead-acid, lithium batteries, nickel metal hydride, etc.) or according to the charging characteristics of the battery itself. For charging with complex charging curves (such as pre-charging, floating charging, multi-stage constant voltage, multi-stage constant current, etc.), it is difficult to realize the control mode of the analog circuit

Method used

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  • Charging system with charging and discharging status real-time monitoring function
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Embodiment Construction

[0011] The best embodiment of the invention will be described in detail below in conjunction with the drawings:

[0012] The invented charging system with real-time monitoring of charging and discharging status can output charging voltages and charging currents that conform to the battery charging characteristic curve for different batteries and provide charging protection. It includes voltage and current control circuit 1, voltage and current acquisition module 2, charging State indicating circuit 3, single-chip intelligent controller 4 and battery pack 5. The single-chip smart charger 4 is powered on, its main voltage output terminal outputs voltage to the drain of the PMOS tube Q1, and the auxiliary voltage output terminal provides voltage to the single-chip microcomputer U2. The single-chip microcomputer U2 starts to run the internal program: configure the two resistors connected to the resistor R6 and the resistor R7. The pin is in analog-to-digital conversion mode. The four...

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Abstract

The invention provides a charging system with a charging and discharging status real-time monitoring function, comprising a voltage and current control circuit module, a voltage and current acquisition module, a charging status indication circuit module, and a single-chip microcomputer intelligent controller. As the intelligent controller is used to control the voltage and current, detect the battery type and perform charging protection, the charging system has the advantages of convenient debugging, intelligence, wide scope of application, high reliability, and the like.

Description

Technical field [0001] The invention relates to a charging system with real-time monitoring of charging and discharging status, and in particular to a multifunctional intelligent charger that uses a single-chip microcomputer as a control device, can output different charging voltages and charging currents to different batteries and provide charging protection. Background technique [0002] At present, battery chargers on the market mostly use analog circuits for constant current limiting and constant current limiting. The charging voltage and current are fixed before leaving the factory. They can only be used for the same nominal voltage, similar capacity and the same type of battery. Charging has a single function and is inconvenient to use. Although a few chargers also have voltage and current adjustment knobs, it is necessary to use the same charger for different types of batteries (such as lead-acid, lithium, nickel-metal hydride, etc.) or according to the charging characteris...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00
Inventor 张翠红
Owner 张翠红