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Suspension power supply

A technique of suspending power supplies and resistors, applied to electrical components, adjusting electrical variables, instruments, etc., can solve the problems of slow voltage regulation speed and low control precision, and achieve the effect of high-precision control

Pending Publication Date: 2022-04-15
广州赛隆增材制造有限责任公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the gate voltage is mainly controlled by the grid-controlled suspension power supply, but the voltage regulation speed of the grid-controlled suspension power supply in the prior art is slow, and the control accuracy is low when the electron beam current control is realized by the grid-controlled suspension power supply

Method used

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Embodiment Construction

[0043] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, but not to limit the present invention. In addition, it should be noted that, for the convenience of description, only some structures related to the present invention are shown in the drawings but not all structures.

[0044] This embodiment proposes a suspension power supply, which includes a voltage regulation control unit and a voltage regulation unit, and the voltage regulation unit includes an operational amplifier, a voltage divider circuit, a feedback circuit and an adjustment circuit.

[0045] The voltage divider circuit is used to divide the input voltage, the voltage divider point of the voltage divider circuit is connected to the first input terminal of the operational amplifier, the output terminal of the operational ...

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Abstract

The invention discloses a suspension power supply, which comprises a voltage regulation control unit and a voltage regulation unit, and is characterized in that the voltage regulation unit comprises an operational amplifier, a voltage division circuit, a feedback circuit and an adjustment circuit; the voltage division circuit is used for dividing an input voltage, a voltage division point of the voltage division circuit is connected with a first input end of the operational amplifier, an output end of the operational amplifier is connected with the adjusting circuit, the feedback circuit is connected with the adjusting circuit, and a second input end of the operational amplifier is used for accessing a feedback voltage of the feedback circuit; the voltage regulation control unit is connected with the voltage division circuit or the feedback circuit; the voltage regulation control unit is used for regulating the voltage division ratio of the voltage division circuit or the feedback circuit; the adjusting circuit is used for adjusting the input voltage, and the output of the adjusting circuit serves as the output voltage of the suspension power supply.

Description

technical field [0001] Embodiments of the present invention relate to power supply technology, in particular to a floating power supply. Background technique [0002] An electron gun is a device used to emit an electron beam with a certain energy, a certain beam current, a speed and an angle. The electron gun can be used in medical treatment, 3D printing, welding and other scenarios. [0003] Electron guns are mainly divided into two-stage electron guns and grid-controlled electron guns. Among them, grid-controlled electron guns mainly include filaments, cathodes, grids, and anodes. In the grid-controlled electron gun, a high-voltage voltage of tens of kilovolts is generally applied between the cathode and the anode plane to accelerate the electron beam, and the electron beam current is controlled by controlling the voltage of the grid relative to the cathode. [0004] At present, the gate voltage is mainly controlled by the grid-controlled suspension power supply, but the ...

Claims

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Application Information

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IPC IPC(8): H02M3/158H02M1/08
Inventor 汪强兵郭瑜龙学湖张莹郑晓川时明军
Owner 广州赛隆增材制造有限责任公司
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