Pulse power supply system and neutron generator

A technology of pulse power supply and pulse transformer, which is applied in the direction of electric pulse generator circuit, DC voltage accelerator, and energy storage components to generate pulses, etc., which can solve the problem of larger occupied space, unable to meet the application requirements of well logging neutron generators, and small power supply Difficulties and other issues
CN113285627AActive Publication Date: 2021-08-20中科石金(安徽)中子技术有限公司
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
中科石金(安徽)中子技术有限公司
Publication Date
2021-08-20

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Abstract

The invention relates to a pulse power supply system and a neutron generator. Several paths of pulse voltages with different pulse widths and amplitudes can be provided for the neutron generator through four paths of pulse voltages, namely positive acceleration high voltage, negative acceleration high voltage, anode voltage and trigger voltage, so as to meet the working requirements of a vacuum arc ion source neutron generator. The positive acceleration high voltage is generated through the first secondary coil of a first pulse transformer T1, the trigger voltage is generated through a second pulse transformer T2, the anode voltage is generated through the second secondary coil of a first pulse transformer T1 and a main discharge capacitor C4, and the negative acceleration high voltage is generated through a third pulse transformer T3. The second secondary coil of the first pulse transformer T1 and the second pulse transformer T2 serve as a boosting transformer to boost a pulse power supply and also serve as an isolation transformer to solve the problem of suspension voltage, the insulation distance is effectively reduced by adopting a positive and negative acceleration pole structure, and three pulses form a loop to share one charging power supply, so the power supply system is very compact in structure.
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Description

technical field

[0001] The invention relates to the technical field of neutron generators, in particular to a pulse power supply system and a neutron generator. Background technique

[0002] As a neutron source for small accelerators, neutron generators have many advantages such as portability, mobility, safety in use, and no radiation hazards, and have been widely used in oil and gas well logging. In order to meet the needs of logging in deeper formations, neutron generators are required to have smaller diameters and higher temperature resistance. The ion source of the neutron generator generally includes a Penning ion source and a vacuum arc ion source. The vacuum arc ion source is composed of a cathode, an anode, and a trigger electrode.

[0003] When the vacuum arc ion source neutron generator is working, a pulse high voltage with an amplitude of about 10kV and a pulse width of several μs is firstly applied between the trigger electrode and the cathode to generate initi...

Claims

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