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Intelligent computer uninterruptable power supply method

A technology of computer power supply and power supply method, applied in data processing power supply, battery circuit device, current collector, etc., can solve the problems of computer data loss, hard disk storage device damage, low conversion efficiency, etc., and achieve overall efficiency improvement and circuit structure simplification , the effect of reducing loss

Inactive Publication Date: 2009-04-08
东莞市金翔电器设备有限公司
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AI Technical Summary

Problems solved by technology

[0002] With the rapid development of computer technology, it is imperative to develop uninterrupted power supply of computer power supply. Otherwise, when the mains power supply is suddenly cut off, the data of the running computer will often be lost, and the running data of the user after intense work will be lost in a blink of an eye. Annoyed, sometimes it even causes the computer system to be paralyzed, or the hard disk storage device is damaged. In this way, the computer user is always worried about the power failure during work and entertainment, which brings troubles to the use.
[0003] The uninterrupted power supply mode of the computer power supply can refer to the "ATX power supply with UPS function" disclosed in the Chinese No. CN 2572644Y patent document and the "computer intelligent power supply system and computer power failure intelligent processing method" disclosed in the Chinese No. CN 101114188A, wherein In the event of a mains power outage, the computer is provided with electrical energy through the added storage battery. However, the general practice is to use inverter technology to convert the electrical energy of the low-voltage storage battery into high-voltage alternating current or high-voltage direct current and connect it to the input end of the power supply circuit. Through the power supply circuit, the high-voltage electric energy is converted into low-voltage direct current to provide electric energy for the computer; figure 1 As shown, when the mains power supply is normal, the +12V, +5V, +5VSB, +3.3V and -12V voltages are directly converted to each group of DC voltages required by the computer through the high and low voltage conversion circuit (multi-group conversion) , when the mains power is cut off, the battery is inverted by the inverter circuit and then processed by the high and low voltage conversion circuit (multi-group conversion), and then the DC voltage required by the computer is converted by the high and low voltage conversion circuit. This method will have losses during the inverter process, resulting in low conversion efficiency, complex structure and high development costs, which is not conducive to market promotion

Method used

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0015] like figure 2 As shown, a method for uninterrupted power supply of an intelligent computer power supply comprises the following steps:

[0016] (1) Connect the mains power to the computer, and the computer is in normal operation, so that the mains power is transformed into a 12V DC voltage by the high and low voltage conversion filter circuit, of which one 12V DC voltage is used for computer power, and the other 12V DC voltage is converted by DC / DC Circuit 5 converts other groups of DC voltages required by the computer;

[0017] (2) Whether the power-off signal monitoring circuit monitors whether the power supply signal is suddenly disconnected, if so, enter the next step, otherwise, the computer operates normally;

[0018] (3) Start the battery switching circuit to directly switch the 12V storage battery for use to output 12V DC volt...

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Abstract

The invention relates to an uninterrupted power supply system for a power source of an intelligentized computer. After a power-down signal observation circuit observes whether the power supply signal is suddenly cut off or not, if yes, a power supply battery circuit is started; a 12V storage battery is directly used by switching so as to output 12V direct voltage for the computer, meanwhile, the 12V direct voltage is still converted into the direct voltage which is needed by other groups of computer by a DC / DC converting circuit. Therefore, when the commercial power is cut off, the 12V storage battery can supply power without using an inversion circuit but in a way that only the 12V storage battery is directly switched to the low voltage DC output terminal of the power source of the computer; the output 12V direct voltage is used for supplying power for the computer in one hand, and the 12V direct voltage can be converted into other voltages such as +5V, +3.3 V, +5VSB, and the like, by DC / DC conversion for the computer. As the efficient DC / DC converting circuit technology is adopted, the converting efficiency can be over 90%, therefore, the consumption in the inversion process is reduced, meanwhile, the overall working efficiency of the power source of the computer is improved, the circuit structure applying the method of the invention is simplified, and the cost is lower.

Description

technical field [0001] The invention relates to the field of computer power supplies, in particular to an intelligent computer power supply method for uninterrupted power supply. Background technique [0002] With the rapid development of computer technology, it is imperative to develop uninterrupted power supply of computer power supply. Otherwise, when the mains power supply is suddenly cut off, the data of the running computer will often be lost, and the running data of the user after intense work will be lost in a blink of an eye. Annoyed, sometimes even cause computer system paralysis, or make hard disk storage device damage, so that computer users also worry about the situation of power failure from time to time during work and entertainment, which brings troubles to use. [0003] The uninterrupted power supply mode of the computer power supply can refer to the "ATX power supply with UPS function" disclosed in the Chinese No. CN 2572644Y patent document and the "comput...

Claims

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Application Information

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IPC IPC(8): G06F1/30H02J7/00
Inventor 周沛池
Owner 东莞市金翔电器设备有限公司
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