Novel miniaturized RF system strong electromagnetic pulse protector

A strong electromagnetic and protector technology, applied in the direction of emergency protection circuit devices, electrical components, circuit devices used to limit overcurrent/overvoltage, etc. The time constant is small, and the effect of improving the discharge speed

Pending Publication Date: 2021-08-03
SICHUAN SUNUP SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of the problems existing in the background technology, the object of the present invention is to provide a new type of miniaturized RF system strong electromagnetic pulse protector to solve the problem of low applicability of existing protection equipment, and to ensure excellent RF protection products. On the basis of excellent transmission characteristics, it not only ensures that it has the protection performance of traditional products, but also has good adaptability, so that it has a wide range of application scenarios and can meet various RF system application scenarios with different requirements.

Method used

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  • Novel miniaturized RF system strong electromagnetic pulse protector
  • Novel miniaturized RF system strong electromagnetic pulse protector
  • Novel miniaturized RF system strong electromagnetic pulse protector

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Comparison scheme
Effect test

Embodiment 1

[0037] Such as Figure 1 to Figure 8 As shown, a new type of miniaturized RF system strong electromagnetic pulse protector provided by the preferred embodiment of the present invention includes a central conductor 1, and the central conductor 1 is arranged on the central axis of the strong electromagnetic pulse protector, and the central conductor 1 Passing through the center of the novel discharge device 6, the novel discharge device 6 is coaxially arranged with the strong electromagnetic pulse protector, the positive pin 7 of the novel discharge device 6 is fixedly connected to the center conductor 1, and the novel discharge device 6 The negative electrode 9 is fixedly connected to the metal shell 2, the metal shell 2 is grounded, and an insulating material 3 is arranged between the central conductor 1 and the metal shell 2; the new discharge device 6 is arranged inside the strong electromagnetic pulse protector; The novel discharge device 6 is a through-hole discharge devic...

Embodiment 2

[0047] In this embodiment, on the basis of the first embodiment, the metal shell 2 is made of copper and / or copper alloy; the surface of the metal shell 2 is plated with silver and / or gold.

[0048] The metal shell 2 is changed from a conventional aluminum alloy / stainless steel shell to a copper / copper alloy, and the surface is plated with silver / gold, which greatly improves its reliability and environmental adaptability, and at the same time reduces the impedance of the metal shell 2 to ensure transient leakage. Put strong pulse energy.

Embodiment 3

[0050] In this embodiment, on the basis of Embodiment 1, the starting voltage of the strong electromagnetic pulse protector is set to 230V, and the applicable frequency band of the strong electromagnetic pulse protector is DC-6GHz.

[0051] Referring to the traditional GDT, combined with its actual application over the years, its main starting voltages are:

[0052] GDT common starting voltage 75V 90V 230V 350V 600V

[0053] The formula for calculating the starting voltage is:

[0054] Uzsat≥1.5Umax; Umax=(√2PZ)(VSWR+Γ)

[0055] In the formula:

[0056] P-system power (CW power);

[0057] Z-system impedance (50 / 75Ω);

[0058] VSWR-system requirements standing wave ratio;

[0059] Γ-reflection coefficient (calculated by VSWR);

[0060] Uzsat-GDT DC breakdown voltage;

[0061] Umax - system peak voltage;

[0062] After theoretical analysis and calculation, the system transmission power (CW power) corresponding to different starting volta...

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Abstract

The invention discloses a novel miniaturized RF system strong electromagnetic pulse protector, which belongs to the field of electromagnetic pulse protection of a radio frequency transmission system and comprises a central conductor which is arranged on the central axis of the strong electromagnetic pulse protector and penetrates through the center of a novel discharge device. The novel discharge device and the strong electromagnetic pulse protector are coaxially arranged, the positive electrode of the novel discharge device is fixedly connected with the central conductor, the negative electrode of the novel discharge device is fixedly connected with the metal shell, the metal shell is grounded, and an insulating material is arranged between the central conductor and the metal shell. According to the invention, the core processing device is creatively built-in, the design is miniaturized, the size is small, and the weight is light; on the basis of miniaturization, the novel protection product has good transmission characteristics and excellent electromagnetic pulse protection performance; and by improving the material, the structural design and the processing technology of the core discharge device, the pulse discharge speed is greatly improved.

Description

technical field [0001] The invention belongs to the field of electromagnetic pulse protection for radio frequency transmission systems, in particular to a novel miniaturized strong electromagnetic pulse protector for RF systems. Background technique [0002] With the development of science and technology, large-scale integrated circuits are widely used in advanced electronic equipment. The larger the scale of integration, the more sensitive the electronic equipment and the more susceptible it is to electromagnetic pulse interference. RF systems are often installed and used in harsh geographical environments (open environment, poor grounding conditions, exposure to the outside, sensitive installation location, high installation and maintenance costs), and are most vulnerable to lightning electromagnetic pulses, artificial strong electromagnetic interference (by various It is one of the systems threatened by NEMP, HEMP, HPM, etc.) produced by electromagnetic pulse weapons, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02H9/02H02H9/04H02H9/06
CPCH02H9/02H02H9/041H02H9/06
Inventor 陈思遥陈兵张锐曾顺磊
Owner SICHUAN SUNUP SCI & TECH
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