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Power feeding system

A power supply system and power technology, applied in electrical signal transmission systems, signal transmission systems, collectors, etc., can solve the problems of power supply side failure, damage to phase balance, waste, etc., to achieve the effect of ensuring power

Inactive Publication Date: 2008-08-13
DISCO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the structure of the device becomes complicated and expensive, and there is also a problem of waste due to loss due to power conversion
[0006] In addition, for example, to drive a movable part such as a motor, which consumes relatively little power during operation and consumes relatively large power at startup, it is necessary to set the maximum power consumption based on the large power consumption at startup. there is no waste at all
[0007] In addition, when the commercial power supply is 200 volts three-phase AC and the single-phase 200 volts is taken out for use, choosing to use any two poles may destroy the balance between phases and have a bad influence on the power supply side.

Method used

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Embodiment Construction

[0019] The power supply system 10 shown in FIG. 1 is constituted by a device 101 having a plurality of movable parts 101 a that receive a supply of direct current and operate, an auxiliary power supply device 102 that supplies power to the device 101 , and a commercial power supply 20 . The commercial power supply 20 has a case of three-phase alternating current and a case of single-phase alternating current.

[0020] The auxiliary power supply device 102 has the following functions: when the power supply to the device 101 is stopped from the commercial power supply 20, the function of supplying power to the device 101 instead of the commercial power supply 20; In this case, the device 101 is supplied with a function to compensate for the insufficient power.

[0021] The auxiliary power supply unit 102 has: an AC / DC converter 102a that converts AC power from a commercial power supply into DC power and outputs it; a power storage unit 102b that stores the DC power output from t...

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PUM

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Abstract

The invention provides a power feeding system, the system can ensure the normal and stable work of the device in an economical way even if under the conditions that no electric power from the commercial power or the feeding power is insufficient, and the structure of every device is simple. The power feeding system(10) which includes an apparatus(101) including a plurality of movable sections(101a) supplied with direct current power for operation; and a commercial power source (20) and an auxiliary power source device(102) for supplying electric power to the apparatus(101). The auxiliary power source device(102) includes an AC / DC converter(102a) for converting alternating current power of the commercial power source(20) into direct current power; a storage section(102b) for storing the direct current power outputted from the AC / DC converter(102a); a power storage control section(102c) for discharging the direct current power stored in the storage section(102b); and a power-feeding control section(102d) for supplying the direct current power outputted from the AC / DC converter(102a) or discharged from the storage section(102b) to the movable sections.

Description

technical field [0001] The present invention relates to a power supply system for operating a device normally even when the power supply from a commercial power supply is stopped or when the power supplied from the commercial power supply is insufficient. Background technique [0002] Various devices maintain their functions as a single device by receiving electric power supplied from a commercial power supply and using the electric power to supply necessary electric power to various movable parts in the device to operate each movable part normally. [0003] Therefore, if an auxiliary power supply device is installed in a device that does not allow the operation of the device to be stopped due to a power failure or the like, the operation of the device will not be hindered by switching to the power supply from the auxiliary power supply device during a power failure. The auxiliary power supply device is configured to store AC power from a commercial power source as DC power,...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J9/00H02J7/00
CPCH02J9/061Y10T307/344H02J9/06H02J9/00
Inventor 关家一马
Owner DISCO CORP