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Power circuit and control system

A power supply circuit, power supply technology, applied in control/regulating systems, electrical components, adjusting electrical variables, etc., can solve the problems of waste of resources, high cost, occupation of PCB area, etc., to achieve higher power requirements, stable functions, and simple design structure Effect

Active Publication Date: 2017-03-29
WEIHAI NEWBEIYANG ZHENGQI ROBOT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this solution is not only expensive, but also occupies PCB area, resulting in waste of resources

Method used

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  • Power circuit and control system
  • Power circuit and control system
  • Power circuit and control system

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only a part of embodiments of the present invention, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations.

[0034] In the description of the present invention, unless otherwise clearly stipulated and limited, the terms "arrangement", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integrated Connection; it can be a mechanical connection or an electrical connection; it can be a dir...

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Abstract

The invention provides a power circuit and a control system. The power circuit comprises a first bootstrap circuit, a second bootstrap circuit, a first control circuit and a second control circuit, wherein the first control circuit forms charging circuits together with the first bootstrap circuit and the second bootstrap circuit separately. After the first control circuit is conducted, a power supply charges the first bootstrap circuit and the second bootstrap circuit; the first bootstrap circuit provides the second control circuit with a drive power supply and provides an external load with electricity after being charged; and the second bootstrap circuit provides the external load with the electricity after being charged. According to the power circuit, output power of the power circuit is improved through adding the second bootstrap circuit to meet the voltage requirement of the external load, the structure is simple and the function is stable.

Description

technical field [0001] The invention relates to the technical field of circuit control, in particular to a power circuit and a control system. Background technique [0002] At present, the intelligent power module (Intelligent Power Module, IPM) has been widely used in the driving circuit. The IPM module greatly simplifies the complexity of the driving circuit and effectively improves the power consumption by integrating the power device, the driving circuit and the protection circuit together. the reliability of the circuit. [0003] For the internal inverter driving circuit of the driver, four isolated control power supplies are usually required (three for P-side drive and one for N-side drive). Realizing the floating control power supply through the bootstrap circuit can reduce the number of isolated power supplies from four to one (N-side control power supply). The IPM has its own bootstrap power supply inside, but the power of the internal bootstrap power supply is to...

Claims

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Application Information

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IPC IPC(8): H02M3/156
CPCH02M3/156H02M3/1566
Inventor 秦健强李强姚庭林建琳
Owner WEIHAI NEWBEIYANG ZHENGQI ROBOT