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T-shaped tubular filter

A filter and tubular technology, applied in the direction of impedance network, printed circuit connected with non-printed electrical components, electrical components, etc., can solve the problems of weak impact resistance, achieve rotation and pull-out prevention, and good stability Effect

Pending Publication Date: 2021-08-06
SHENZHEN ZHENHUA FU ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a T-shaped tubular filter, which aims to solve the technical problems in the prior art that the terminals are prone to rotation and falling off, and the filter's overall anti-vibration and impact resistance are weak

Method used

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Embodiment Construction

[0027] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, 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, not to limit the present invention.

[0028] It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0029] In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indic...

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Abstract

The invention is suitable for the technical field of military filtering equipment, in particular to a T-shaped tubular filter. The filter comprises a tube shell, a capacitor assembly, an inductor, an input terminal and an output terminal; the capacitor assembly is arranged in the tube shell and comprises a circuit board and a chip capacitor electrically connected to the circuit board; the inductors are arranged in the tube shell and located on the two sides of the capacitor assembly. The input terminal and the output terminal are arranged at the two ends of the tube shell respectively, the input terminal, the capacitor assembly, the inductor and the output terminal are electrically connected to form a T-shaped filter circuit, the first colloid is integrally encapsulated in the tube shell, the insertion parts of the input terminal and the output terminal are encapsulated in the second colloid, and the second colloid is used for sealing the two ends of the tube shell. And the insertion parts of the input terminal and the output terminal are limiting structures for preventing drawing and rotation. The invention aims to solve the technical problems that in the prior art, a terminal is easy to rotate and fall off, and the overall vibration resistance and impact resistance of a filter are weak.

Description

technical field [0001] The invention relates to the technical field of military filter equipment, and more specifically relates to a T-shaped tubular filter. Background technique [0002] A filter is a filter circuit composed of capacitors, inductors and resistors. The filter can effectively filter the frequency point of a specific frequency in the power line or frequencies other than this frequency point to obtain a power signal of a specific frequency or eliminate a power signal of a specific frequency. [0003] T-shaped filter is a commonly used filter. The traditional T-shaped tubular filter faces the problem of terminal rotation and terminal pull-out, and the interior cannot be potted as a whole. The terminal is prone to loose rotation or even pull out under long-term use, and Because the interior cannot be potted as a whole, its anti-vibration and impact resistance are weak, and the electricity is prone to short-circuit failure, and the product reliability is low. C...

Claims

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Application Information

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IPC IPC(8): H03H7/01H03H1/00H05K1/18H05K7/00
CPCH03H1/00H03H7/0115H03H2001/0021H05K1/181H05K7/005
Inventor 蒋忠益肖倩刘季超王胜刚李金辉王智会
Owner SHENZHEN ZHENHUA FU ELECTRONICS
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