Radio frequency coaxial connector with bidirectional high-voltage sealing function
A high-pressure sealing, radio frequency coaxial technology, applied in the direction of connection, two-part connection device, contact parts, etc., can solve the problems of discontinuous capacitance, inapplicability, reflection, etc., and achieve the effect of improving sealing ability and large compression
Active Publication Date: 2015-07-08
NORTHWEST INST OF NUCLEAR TECH
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Problems solved by technology
The inner surface of the outer conductor, the inner conductor surface and the insulator of the current RF coaxial connector products are generally designed as a step structure that cooperates with each other, but these step structures can only meet the basic requirements of insulating support and fixing the inner conductor, and do not have bidirectional high-voltage sealing capabilities. , so it is not suitable for the extraction of the measurement signal of the capacitive voltage divider in the high-power pulse source
In addition, the size of the inner and outer conductors changes suddenly at the step structure, resulting in discontinuous capacitance, causing reflections, and also affecting signal transmission performance to a certain extent
Method used
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Embodiment Construction
[0015] The invention includes an outer conductor, an inner conductor, a high-voltage sealing insulator, a vacuum sealing insulator and an input outer conductor. The outer conductor is made of stainless steel. There are threads at both ends of the outer conductor. The middle of the outer conductor is a prism, which is convenient for clamping and rotating. The inner conductor has a stepped and tapered surface structure. The inner conductor is a section of reducing wire, made of brass, through two taper transitions, the diameter first changes from small to large, and then gradually changes from large to small. The cone angle of the cone surface ranges from 20° to 60° °. The high-voltage sealing insulator has a tapered surface on the outside and a stepped structure on the inside. Both the inner and outer sides of the vacuum insulator have tapered surfaces, and through the tapered surfaces, they finally transition into a thinner (3-6 mm) dielectric sleeve. Both the high voltage s...
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The invention discloses a radio frequency coaxial connector with a bidirectional high-voltage sealing function. A high-voltage sealing insulator, a vacuum sealing insulator and an input outer conductor are sequentially mounted between an outer conductor and an inner conductor from an output end to an input end of the radio frequency coaxial connector with the bidirectional high-voltage sealing function, the bidirectional sealing effect can be realized mainly depending on the matching of an inner conductor conical surface, the high-voltage sealing insulator and the vacuum sealing insulator. According to the radio frequency coaxial connector provided by the invention, not only can signals be transmitted in a high fidelity manner, but also the high-voltage and vacuum bidirectional sealing inside a high-power pulse source can be realized, so that the problem that a state parameter measurement signal of the pulse source is led out to the outside from the inside of the high-power pulse source can be solved.
Description
technical field [0001] The invention relates to a radio frequency coaxial connector, especially used in the state parameter measurement of a high-power pulse source, and belongs to the technical field of pulse power. Background technique [0002] High-power pulse technology is an important technical basis for national defense scientific research and high-tech research, and its application has penetrated into many important scientific research fields, such as high-power microwave, flash X-ray photography, nuclear explosion effect simulation source, inertial confinement fusion, etc. High-power pulse generating device, also known as high-power pulse source, is a kind of high-voltage equipment, but it is different from general high-voltage equipment. It is a special equipment with high power, strong current and short pulse, and it provides a transient The physical quantity of the process. After more than half a century of development in pulse power research, starting from the c...
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IPC IPC(8): H01R13/52H01R13/02H01R24/40
Inventor 樊亚军乔汉青朱郁丰石磊刘胜夏文锋卢彦雷易超龙
Owner NORTHWEST INST OF NUCLEAR TECH