Line concentration system for uniform power supply

A technology of power supply and line collection, applied in the direction of electrical components, circuit devices, DC network circuit devices, etc., can solve the problems of limiting the convenience of portable products and equipment

Inactive Publication Date: 2005-01-26
INVENTEC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] At present, the power supply systems of electrical products have different power consumption specifications, such as digital cameras, mobile phones, notebook computers, etc. The power supply protocols used by each device are different, so if you want to use these products at the same time, you must One product device provides an independent power supply to achieve the purpose of simultaneous use. Therefore, multiple power connectors must be provided, and different power cords must be matched according to different product devices, so that the singleness of the power supply line limits portable products. equipment convenience

Method used

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  • Line concentration system for uniform power supply
  • Line concentration system for uniform power supply
  • Line concentration system for uniform power supply

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Embodiment Construction

[0029] The present invention discloses a line gathering system for unified power distribution, such as figure 1 Shown is a block diagram of the power chain architecture of the present invention, in which the power supply 100 is used to supply the power of all product equipment, and the power receiving device includes a first device 110A, a second device 110B, a third device 110C, etc., different Each device is connected in series with a pulse width modulation (PWM) signal, an address (ADD) signal, a clock pulse (CLK) signal and a ground (GND) signal, and the PWM wave is generated by the current power supply 100 Type output, before each PWM cycle, the address signal (ADD) is used to determine the device that accepts the next PWM wave type. The switching switch is turned off, and the switching switch of the PWM link leading to the next device is turned on, and a set of priority tables are designed in advance to determine which device in the entire power chain will output the PWM...

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Abstract

The invention is an power supply distribution uniting hub system, prearranging a device priority table to determine a power supply waveform of each device to provide power supply for many devices, containing: a power supplier and many devices; each device at least contains: an address receiving unit, outputting an address control signal; a power supply controller, outputting a pulse width modulation (PWM) control signal; a first transfer switch coupled with the PWM port and the power supply controller to output the power supply waveform according to the PWM control signal; and a second transfer switch coupled with the PWM port and the power supply controller to selectively switching on or off the next PWM port according to the PWM control signal.

Description

technical field [0001] The invention relates to a power supply system, in particular to a line gathering system for unified power distribution. Background technique [0002] At present, the power supply systems of electrical products have different power consumption specifications, such as digital cameras, mobile phones, notebook computers, etc. The power supply protocols used by each device are different, so if you want to use these products at the same time, you must One product device provides an independent power supply to achieve the purpose of simultaneous use. Therefore, multiple power connectors must be provided, and different power cords must be matched according to different product devices, so that the singleness of the power supply line limits portable products. The convenience of the equipment. [0003] The above-mentioned current situation is that various devices cannot be connected in series through a single power supply system and provide power supply for un...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J1/00H02J4/00
Inventor 曾庆树邓旭明早桐华
Owner INVENTEC CORP
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