Multi-mode working UPS

A multi-mode, power supply technology, applied in emergency power supply arrangements, current collectors, electric vehicles, etc., can solve the problems of single double conversion online working mode of UPS power supply, and achieve convenient working mode setting and conversion, strong load adaptability, and simple operation. Effect

Inactive Publication Date: 2010-04-28
佛山市柏克电力设备有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to overcome the deficiency that the existing UPS power supply onl

Method used

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Example Embodiment

[0013] The structural details of the present invention are described in detail below in conjunction with the accompanying drawings:

[0014] like figure 1 Shown is the circuit block diagram of the embodiment of the present invention, including mains input, storage battery, rectifier, inverter, bypass static switch, inverter static switch, MCU single-chip microcomputer control circuit, external input circuit and external output circuit. The MCU single-chip control circuit includes the host MCU single-chip control circuit and the display MCU single-chip control circuit. The host MCU single-chip control circuit transmits data with the display MCU single-chip control circuit through a serial interface. The external output circuit is a display circuit and an alarm circuit. The external input circuit is a button. The circuit, the external output circuit and the external input circuit can also be RS232 serial interfaces to connect the background monitoring.

[0015] One way of the m...

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Abstract

The invention discloses a multi-mode working UPS, which comprises commercial power input, a storage battery, a rectifier, an inverter, a bypass static switch, an inverted static switch, an MCU singlechip control circuit, an external input circuit and an external output circuit. One path of the commercial power input is transmitted to alternating current output orderly through the rectifier, the inverter and the inverted static switch, while the other path is transmitted to the alternating current output through the bypass static switch; the storage battery is connected to a connection point of the output end of the rectifier and the input end of the inverter; and the MCU singlechip control circuit outputs a bypass static switch control signal to the bypass static switch, outputs an inverted static switch control signal to the inverted static switch, outputs an inverter control signal to the inverter, outputs a working condition data signal to the external output circuit, inputs a commercial power input sampling signal and inputs a signal input by the external input circuit. The multi-mode working UPS overcomes the defect that the conventional UPS only has a single double conversion online working mode and provides a power supply with a plurality of working modes.

Description

Technical field: [0001] The invention relates to a power supply, in particular to a multi-mode UPS power supply. Background technique: [0002] Conventional medium and high-power UPS power supply only has a single double-conversion online working mode, and the overall efficiency is generally only about 85%. It is usually suitable for computers and some precision equipment, and the inductive load in the motor must be enlarged by 7-10 times. In order to work normally, there is no function such as frequency conversion start, the ability to adapt to the load is not strong, and its own power consumption is high and not energy-saving. Invention content: [0003] The purpose of the present invention is to overcome the deficiency that the existing UPS power supply only has a single double-conversion online working mode, and propose a UPS power supply with multiple working modes. [0004] In order to achieve the above object, a kind of multi-mode work UPS power supply of the prese...

Claims

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Application Information

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IPC IPC(8): H02J9/06H02J7/06H02M7/537
Inventor 罗蜂潘世高黄敏
Owner 佛山市柏克电力设备有限公司
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