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Speed change device and power supply equipment using same

A technology of speed change device and power supply equipment, which is applied in the field of machinery and can solve the problems of wide range of output voltage of generators, etc.

Active Publication Date: 2013-01-16
SCBD (ANHUI) E TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the shortcomings of the wide range of output voltage of the generator, the industry uses a variable speed gear device to realize the power transmission between the automobile engine and the generator

Method used

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  • Speed change device and power supply equipment using same
  • Speed change device and power supply equipment using same
  • Speed change device and power supply equipment using same

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Experimental program
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Embodiment Construction

[0034] The present invention provides a speed change device that realizes continuous conversion of transmission ratio. The speed change device includes a first transmission unit, a second transmission unit and a bearing. The first transmission unit rotates driven by the engine, and the transmission ratio between the first transmission unit and the engine can be a fixed value or a discontinuously adjustable range. Relative rotation is realized between the second transmission unit and the first transmission unit through the bearing. The rotational speed between the second transmission unit and the generator can also be a fixed value, or a discontinuously adjustable range. The second transmission unit is an electromagnet. By continuously changing the strength of the electric signal passing through the second transmission unit, the strength of the magnetic field generated by the electromagnet can be continuously changed, and then the connection between the first transmission unit ...

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Abstract

The invention relates to the field of machinery, in particular to a speed change device and power supply equipment using the same. The speed change device is used for continuously changing the driving ratio of an engine to a generator and comprises a first driving unit and a second driving unit, wherein the first driving unit can be driven by the engine to rotate; the second driving unit can drive the generator to generate power; and the first driving unit and the second driving unit are subjected to power transmission by a magnetic field. The speed change device can continuously change the driving ratio of the engine to the generator. In addition, the invention also provides the power supply equipment using the speed change device.

Description

technical field [0001] The invention relates to the mechanical field, in particular to a speed change device and a power supply device using the speed change device. Background technique [0002] Alternators are now installed in most cars. The generator is used to provide power to various electrical equipment of the automobile, and the electrical equipment includes automobile dashboards, audio equipment, air conditioners, lights, electric wipers, electric windows and sunroofs, etc., and the generator is also used for Charge the car battery. [0003] The generator in the car is usually arranged coaxially with the car engine, that is, the rotating shaft of the generator and the rotating shaft of the engine are the same shaft, so the generator and the engine have the same speed. As we all know, there is a big difference between the speed of a car engine at idle speed and at full speed. The speed at idle speed is usually 600 rpm to 800 rpm, while the speed at full speed is usu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K51/00H02K7/18
Inventor 孙尚传张永
Owner SCBD (ANHUI) E TECH CO LTD