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Electronic potential device

An electronic transformation and AC voltage technology, applied in the field of electronics, can solve the problems that are not conducive to the miniaturization and integration of electrical appliances, and affect the weight and volume of electrical appliances.

Inactive Publication Date: 2010-09-08
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Coil windings are mostly made of copper, and the increase in the number of coil windings will inevitably affect the weight and volume of electrical appliances, which is not conducive to the miniaturization and integration of electrical appliances

Method used

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Embodiment Construction

[0009] The accompanying drawing shows a circuit of an electronic transformer device 100 in a preferred embodiment. The electronic transformer device 100 is used for transforming the AC voltage output by the AC power supply, so as to output an AC voltage that meets the requirements of subsequent circuits. The electronic transformer 100 includes a first input terminal 101a, a second input terminal 101b, a capacitor C, a triac 10, a bidirectional switch element 20, an adjustment element 30, a first output terminal 103a, and a second output terminal 103b.

[0010] The first input terminal 101a and the second input terminal 101b are jointly used for receiving an AC voltage provided by an external AC power source. One end of the capacitor C is connected to the first input end 101 a, and the other end is connected to the first output end 103 a through the adjustment element 30 . The triac 10 includes a first anode 11 , a control electrode 12 and a second anode 13 . The first anode ...

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PUM

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Abstract

The invention relates to an electronic potential device which is used for receiving alternating voltage. The electronic potential device comprises a bidirectional thyristor, a bidirectional switch and a capacitor, wherein a first anode of the bidirectional thyristor receives the alternating voltage, a control pole receives the alternating voltage through the bidirectional switch and the capacitor, and a second anode is connected between the bidirectional switch and the capacitor.

Description

technical field [0001] The invention relates to the field of electronic technology, in particular to an electronic transformer device. Background technique [0002] Many electrical appliances have the function of power adjustment, such as the adjustment of the volume of the speaker by adjusting the output power. [0003] At present, power adjustment is generally realized by changing the output voltage. Changing the output voltage is usually achieved using coil coupling. The coupling coil changes the output voltage by changing the ratio of the number of coil windings between the primary coil and the secondary coil. When a larger output voltage is required, the secondary coil requires a larger number of windings. Coil windings are mostly made of copper, and the increase in the number of coil windings will inevitably affect the weight and volume of electrical appliances, which is not conducive to the miniaturization and integration of electrical appliances. Contents of the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M5/25
CPCH02M5/257
Inventor 鲁建辉
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD