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An electric vehicle inverse charging converter

A reverse charging and converter technology, applied in the field of electric vehicle reverse charging devices, can solve the problems of shortening the service life of the battery, frequent charging of the battery, excessive consumption of the battery, etc., and achieve the effects of prolonging life, preventing aging, and saving energy consumption

Inactive Publication Date: 2009-10-07
重庆鼎久机电设备有限公司
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AI Technical Summary

Problems solved by technology

The disadvantages of this technology are: (1) Since the speed of electric vehicles is generally lower than 50Km / h, the back electromotive force generated is lower than the voltage of the battery (generally the battery of electric vehicles is 36V or 48V), so the back electromotive force cannot charge the battery, resulting in (2) Due to the rapid consumption of the battery, the battery is charged frequently, which shortens the service life of the battery

Method used

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  • An electric vehicle inverse charging converter
  • An electric vehicle inverse charging converter
  • An electric vehicle inverse charging converter

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Embodiment Construction

[0023] Below in conjunction with accompanying drawing and embodiment the present invention will be further described:

[0024] Such as figure 1 As shown, the present invention includes a back EMF pre-collection module 1, a constant current boost module 2, a self-power supply module 3, a switching power supply integrated controller 4 and a discrimination module 5, the input terminal K24 of the back EMF pre-collection module 1 and the motor The three phase lines A, B, and C are connected, and the high and low potential output terminals K1 and K2 of the back EMF pre-collection module 1 are respectively connected to the high and low potential input terminals K3 and K4 of the constant current boost module 2, and the constant current boost The positive charging terminal K5 of the module 2 is connected to the positive pole of the battery D, the negative charging terminal K19 of the constant current boost module 2 is connected to the negative pole of the battery D, the power supply t...

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Abstract

An electric vehicle inverse charging converter includes a back-emf pre-collection module 1, a constant current boost module 2, a self-power module 3, a switching power supply integrated controller 4 and a discrimination module 5. The converter separates and extracts the counter-electromotive force lower than the accumulator electric voltage from the circuit, and then charges the accumulator in a constant-current modus, thereby saving about 30% energy consumption of the electric car, extending battery service life and increasing running mileage.

Description

technical field [0001] The invention relates to an energy-saving device for an electric vehicle, in particular to a reverse charging device for an electric vehicle. Background technique [0002] When the electric vehicle has no shifting device and is easy to start, there are many ups and downs in cities, especially mountainous cities, so coasting or braking is frequent. When the electric vehicle is gliding or braking, the motor windings will generate back electromotive force due to cutting the magnetic force lines, and the electric vehicle reverse charging converter will collect the generated back electromotive force and store it in the battery. The current electric vehicle reverse charging circuit such as Figure 10 shown. The disadvantages of this technology are: (1) Since the speed of the electric vehicle is generally lower than 50Km / h, the back electromotive force generated is lower than the battery voltage (generally the electric vehicle battery is 36V or 48V), so the ...

Claims

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Application Information

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IPC IPC(8): H02J7/14H01M10/44
CPCY02T10/7005Y02E60/12Y02E60/10Y02T10/70
Inventor 熊代荣王先凤
Owner 重庆鼎久机电设备有限公司
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