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Battery charging device and method

A battery charging and battery technology, applied in battery circuit devices, circuit devices, secondary battery charging/discharging, etc., can solve problems such as ion concentration differences, and achieve the goals of suppressing the increase of internal resistance, prolonging battery life, and shortening charging time Effect

Inactive Publication Date: 2014-10-22
安昌悳
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, in order to achieve fast charging, the negative plate, like the positive plate, requires rapid diffusion, and there is a large difference in ion concentration from the inside of the pores of the plate to the surface of the plate, and from the surface of the plate to the outside

Method used

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  • Battery charging device and method
  • Battery charging device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0042] figure 1 It is a schematic structural block diagram of the battery charging device according to Embodiment 1 of the present invention.

[0043] The battery charging device of the present invention includes: a current source 10 that generates a charging current for charging a battery; a battery voltage detection unit 20 that detects the battery voltage of the battery 100 that is charged by the charging current Ich supplied from the current source. The terminal voltage Vb; the voltage comparison unit 30, comparing the battery voltage (battery terminal voltage) Vb increased with the supply of the charging current and the preset standard voltage Vr; the charging current control unit 40, if the comparison result of the voltage comparison unit 30 is When the battery voltage Vb matches the standard voltage Vr, the charging current Ich supplied from the current source to the battery is controlled; In addition, the above-mentioned and following configurations of the battery ch...

Embodiment 2

[0076] image 3 It is a schematic structural block diagram of the battery charging device of Embodiment 2 of the present invention, and the battery charging device of Embodiment 2 also includes calculating the signal S (=Vb=Vr=S1, S2, ...) counter 60 of the number.

[0077] Here, the counter 60 may transmit the constant current charging stop signal O to the charging current control unit 40 when, for example, the generation number of the signal S exceeds a predetermined number (set value). With the transmission of the constant current charging stop signal O, the charging current control unit 40 supplies the current Ich4 from the current source 10 to the battery. In addition, the stop signal O is transmitted to the device control unit, and the device control unit receiving the stop signal O controls the power supply 50 to apply a constant charging voltage to the battery.

[0078] In addition, in the image 3 In the illustrated embodiment, when the count value of the counter 6...

Embodiment 3

[0080] Figure 4 It is a schematic structural block diagram of a battery charging device according to Embodiment 3 of the present invention, and the battery charging device according to Embodiment 3 also includes a display device (charging confirming part) which can be realized by using LEDs and the like, which blinks according to the constant current charging stop signal from the above-mentioned counter. )70.

[0081] Since the above-mentioned display device 70 is also provided, the user of the battery charging device can accurately confirm the charging status of the battery 100 through the flickering of the above-mentioned LED.

[0082] In addition, the signals transmitted from the counter 60 to the display device 70 may include the above-mentioned S1 to Sn signals in addition to the above-mentioned stop signal O, and the above-mentioned display device 70 can be blinked with the transmission of the above-mentioned signals S1 to Sn.

[0083] Therefore, the user of the chargi...

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Abstract

A battery charging apparatus is provided to charge while maintaining battery voltage less than gas generating voltage and to determine whether battery under charging is arrived to the gas generating voltage or not, thereby improving a charge performance. CONSTITUTION: A battery(100) uses water soluble electrolysis solution. A current source(10) creates a charging current. The current source charges a constant current battery. A detection part(20) detects terminal voltage of the battery. A voltage comparative part(30) compares increasing amount of the terminal voltage of the battery and reference voltage which is fixed in advance. A resting stage which stops charging current supply is created according to a matching signal from the voltage comparative part. A charging current controller(40) reduce the charging current to a fixed level after the resting stage.

Description

technical field [0001] The present invention relates to a charging device for batteries used as electric bicycles, electric motorcycles, electric cars, golf carts, electric forklifts and other transportation tools or emergency power supplies, backup power supplies for equipment, etc., especially when the battery reaches a specified voltage ( For example, a battery charging device that reduces the charging current to a specified value by reducing the charging current to a specified value or stops the current supply to have a rest period and after an appropriate time elapses, thereby improving battery charging efficiency. . Background technique [0002] Generally speaking, lead storage battery (hereinafter referred to as "battery") completes the function of the battery through the discharge of chemical energy into electrical energy and the charging cycle of converting electrical energy into chemical energy, through two electrodes with different ionization tendencies (positive ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/04H01M10/44
CPCG01R31/36
Inventor 安昌悳金成显安相龙
Owner 安昌悳
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