Power conditioning circuit and all-in-one machine provided with power conditioning circuit

A technology of power regulation and all-in-one machine, which is applied in the direction of regulating electrical variables, data processing power, control/regulation systems, etc., and can solve the problem of high cost

Inactive Publication Date: 2016-06-15
HONG FU JIN PRECISION IND WUHAN CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since different liquid crystal displays have different rated voltages, different adapter boards need to be designed for each type of liquid crystal display, which makes the cost of mass production of all-in-one computers with different displays high

Method used

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  • Power conditioning circuit and all-in-one machine provided with power conditioning circuit
  • Power conditioning circuit and all-in-one machine provided with power conditioning circuit

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Embodiment Construction

[0025] The present invention is described in further detail below in conjunction with the accompanying drawings and preferred embodiments:

[0026] Please refer to figure 1 , the power conditioning circuit 100 of the present invention is arranged in an all-in-one computer 1, and a preferred embodiment of the power conditioning circuit 100 includes a power conditioning module 10, a control chip 20, a platform controller (Platform Controller Hub, PCH) 30, A Basic Input-Output System (BIOS) 40 , a plurality of switch units 50 and a plurality of resistors (including four resistors R1 - R4 in this embodiment).

[0027] The input terminal Vin of the power conditioning module 10 is connected to the +19V power supply on the motherboard in the integrated computer 1, and the output terminal Vout is connected to a liquid crystal display (LCD) 200 in the integrated computer 1. The power conditioning module 10 is used for converting the received +19V voltage into an appropriate voltage va...

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PUM

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Abstract

A power regulating circuit is used for receiving the voltage of a mainboard to provide working voltage for a display. The power regulation circuit includes a power regulation module, a control chip, a platform controller, a basic input and output system, several switch units and several resistors. The power regulating circuit controls the connection or disconnection between several resistors and the sensing terminal through the switch unit, thereby changing the current sensed by the sensing terminal of the control chip, so that the power regulating module outputs different voltage values ​​to different displays. The invention also provides a computer all-in-one machine with the power regulation circuit.

Description

technical field [0001] The invention relates to a computer integrated machine, in particular to a computer integrated machine with a power supply regulating circuit. Background technique [0002] In the computer all-in-one machine, the working voltage of the liquid crystal display is obtained by converting the +19V voltage on the main board by an adapter board. Since different liquid crystal displays have different rated voltages, different adapter boards need to be designed for each type of liquid crystal display, so that the cost of mass-producing all-in-one computers with different displays is high. SUMMARY OF THE INVENTION [0003] In view of the above content, it is necessary to provide a power supply adjustment circuit and an all-in-one computer with the power supply adjustment circuit, so as to be suitable for the rated working voltage of various displays. [0004] A power supply adjustment circuit is used for receiving the voltage of a main board to provide a work...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F1/16G06F1/26
CPCG05F1/462G05F1/613
Inventor 郭松陈俊生
Owner HONG FU JIN PRECISION IND WUHAN CO LTD
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