High-accuracy pulse/direct current digital power of ionic accelerator

A technology for ion accelerators and digital power supplies, applied in pulse duration/width modulation, conversion of DC power input to DC power output, irreversible conversion of AC power input to DC power output, etc. Data acquisition and other issues to achieve the effect of flexible monitoring methods

Active Publication Date: 2009-11-18
INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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Problems solved by technology

[0002] Ion accelerators rely on magnet lenses such as dipole irons and quadrupole irons to control the beam current. The

Method used

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  • High-accuracy pulse/direct current digital power of ionic accelerator

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Embodiment Construction

[0010] Such as figure 1 shown. A high-precision pulse / DC digital power supply for an ion accelerator adopts a high-precision general digital power supply regulator for an ion accelerator, a high-precision general digital power supply controller for an ion accelerator, and a chopper-type non-isolated switch circuit. The chopper non-isolated switch circuit includes a low-voltage transformer, a three-phase diode rectifier and filter circuit, an H-bridge bidirectional chopper circuit, a high-precision current feedback circuit DCCT, and a load circuit. Its connection mode: the high-precision current feedback and voltage feedback signals of the chopper non-isolated switch circuit are sent to the high-precision general digital power regulator of the ion accelerator, and after being processed by the regulator, the high-precision PWM adjustment signal is output to the chopper non-isolated switch Circuit: IO signal input / output of chopper-type non-isolated switch circuit, such as closi...

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Abstract

The invention relates to a high-accuracy pulse/direct current chopping digital power of an ionic accelerator, which comprises an ionic accelerator high-accuracy general digital power regulator, an ionic accelerator general digital power controller, a low-voltage transformer, a three-phase diode rectifying and filtering circuit, an H bridge bidirectional chopping circuit, a high-accuracy current feedback circuit and a load circuit. By using the ionic accelerator high-accuracy general digital power regulator to control and regulate a chopping-type non-isolating switch circuit, a high-accuracy digital power of the ionic accelerator which can work in two operating modes, namely, a pulse operating mode and a direct current operating mode, is realized, and the requirements of the digital power of the ionic accelerator in terms of high-accuracy data acquisition, high-speed and high-accuracy digital regulation, high-accuracy PWM output and the like are satisfied. The high-accuracy pulse/direct current chopping digital power has simple and reliable operation mode, can realize communication and operation to the digital power by means of a local human-computer interface and can also realize remote network control to one or more digital powers by utilizing a CAN bus networking method. The high-accuracy pulse/DC chopping digital power can be applied to ordinary ionic accelerators and special ionic cancer-treating accelerators, or other similar applications.

Description

technical field [0001] The invention relates to a high-precision digital power supply for an ion accelerator, which can operate in two modes of pulse and direct current. Background technique [0002] Ion accelerators rely on magnet lenses such as dipole irons and quadrupole irons to control the beam current. The magnets operate in two ways: pulse and DC. High-precision digital adjustment, high-precision PWM output and other requirements. Contents of the invention [0003] The purpose of the present invention is to provide a chopper-type non-isolated high-precision pulse / DC digital power supply for an ion accelerator. [0004] The purpose of the present invention is achieved through the following technical solutions: [0005] A high-precision pulse / DC digital power supply for an ion accelerator is composed of a high-precision general-purpose digital power supply regulator for an ion accelerator, a high-precision general-purpose digital power supply controller for an ion a...

Claims

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Application Information

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IPC IPC(8): H02M7/04H02M3/155H03K7/08
Inventor 王进军高大庆周忠祖闫怀海黄玉珍陈又新张显来高亚林上官靖斌辛俊业唐勇原振东
Owner INST OF MODERN PHYSICS CHINESE ACADEMY OF SCI
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