Design for solving time delay of ultra-wideband filter product by blocking and enhancing time delay

Abstract

The utility model relates to the technical field of microwaves, in particular to a design for solving the time delay of an ultra-wideband filter product by blocking and enhancing time delay, which comprises a tap guide rod, a medium sleeve and a metal guide rod, the medium sleeve and the metal guide rod are arranged in a cavity, the inner end of the tap guide rod is arranged in the cavity, a hollow cavity is formed at the inner end of the tap guide rod, and the metal guide rod is arranged in the cavity. The medium sleeve is inserted in the hollow cavity, the outer surface of the medium sleeve is attached to the inner wall of the hollow cavity, one end of the metal guide rod is attached to the medium sleeve in a penetrating mode and is spaced from the tapping guide rod, the other end of the metal guide rod is used for being connected to a resonant column arranged in the cavity through the tapping piece, and a connector is arranged on the outer wall of the cavity. The outer end of the tap guide rod passes through the wall of the cavity and is in butt joint with the connector. According to the utility model, the tap time delay of the ultra-wideband filter can be enhanced, direct connection welding is reduced, the operation is simple, the processing efficiency is high, and the production efficiency and the yield are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to microwave technology field, concretely relates to a direct current isolation enhancement time delay solves the time delay design of ultra wide band filter product. BACKGROUND

[0002] According to the investigation, the digital combination of any combination of mobile, union, telecom in communication frequency band division tower coexistence is particularly huge, and the industry design difficulty is: when the ultra bandwidth, the time delay is very difficult to realize, and the distance between the direct connection jumper and the cavity wall and cover plate is increased or reduced as far as possible to enhance the time delay, and the distance is too small to easily produce secondary harmonic to affect other high frequency suppression, and it is difficult to realize high power requirement. Direct connection welding is not conducive to the realization of low intermodulation, because the small conductor spacing will lead to small power bearing, and the device will be burned when high power appears, and it is difficult to clean the soldering tin and high temperature metal oxide when direct connection welding, which has a great influence on intermodulation, and the ordinary direct connection type cannot meet the demand of ultra wide band power and intermodulation. UTILITY MODEL CONTENTS

[0003] In order to solve the problems in the background art, the utility model provides a direct current isolation enhancement time delay solves the time delay design of ultra wide band filter product, the utility model can enhance the tap time delay of ultra wide band filter, reduce direct connection welding, simple operation, high processing efficiency, improve production efficiency and yield.

[0004] In order to solve the above problems, the utility model adopts the following technical scheme: a direct current isolation enhancement time delay solves the time delay design of ultra wide band filter product, including tap guide rod, dielectric sleeve and metal guide rod, the dielectric sleeve and the metal guide rod are used to set in the cavity, the inner end of the tap guide rod is placed in the cavity, and the inner end of the tap guide rod forms a hollow cavity, the dielectric sleeve is inserted in the hollow cavity, and the outer surface of the dielectric sleeve is matched with the inner wall of the hollow cavity, one end of the metal guide rod is matched and inserted in the dielectric sleeve and is spaced apart from the tap guide rod, the other end of the metal guide rod is used to connect the resonant column arranged in the cavity through the tap piece, the connector is arranged on the outer wall of the cavity, and the outer end of the tap guide rod passes through the cavity wall and is connected with the connector.

[0005] Further, it further includes the support medium arranged between the tap guide rod and the bottom wall of the cavity.

[0006] Further, the support medium is of insulating material.

[0007] Further, the material of the dielectric sleeve is polytetrafluoroethylene.

[0008] Further, the thickness of the dielectric sleeve is 0.5mm.

[0009] Further, the tap piece connecting the metal guide rod and the resonant column is arranged in a Z shape or an L shape.

[0010] The utility model discloses beneficial effect: the utility model discloses through setting the medium cover of tight fit between metal guide rod and tap guide rod, compared with the mode of air coupling in traditional scheme, there is the problem of insufficient coupling strength and bad insulation effect to cause power spark, the coupling in this application is strong, after the metal guide rod is fully wrapped, the insulation effect is increased, can bear greater power, can enhance the tap delay of ultra wide band filter, reduces direct connection welding, simple operation, processing efficiency is high, and the forming quality is good, greatly improved production efficiency and yield, and the use effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0011] The utility model further illustrates below combining with the drawing and embodiment.

[0012] Fig. 1 It is the installation schematic drawing of the utility model;

[0013] Fig. 2 It is the structure schematic drawing of the utility model;

[0014] Fig. 3 It is the first connection schematic drawing of tap piece and resonant column;

[0015] Fig. 4 It is the second connection schematic drawing of tap piece and resonant column.

[0016] 1, tap guide rod;2, medium cover;3, metal guide rod;4, cavity;5, tap piece;6, resonant column;7, connector;8, support medium. DETAILED DESCRIPTION

[0017] The technical scheme in the utility model embodiment will be described clearly and completely below in combination with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the scope of the utility model protection.

[0018] The utility model discloses through setting the medium cover 2 of tight fit between metal guide rod 3 and tap guide rod 1, compared with the mode of air coupling in traditional scheme, there is the problem of insufficient coupling strength and bad insulation effect to cause power spark, the coupling in this application is strong, after the metal guide rod 3 is fully wrapped, the insulation effect is increased, can bear greater power, can enhance the tap delay of ultra wide band filter, reduces direct connection welding, simple operation, processing efficiency is high, and the forming quality is good, greatly improved production efficiency and yield, and the use effect is good.

[0019] Specifically, as shown in the drawings, Figs. 1 to 4 The application discloses a kind of UWB filter products time delay design of direct-current isolation enhancement time delay solution, including tap guide rod 1, medium sleeve 2 and metal guide rod 3, the medium sleeve 2 and the metal guide rod 3 are used to be arranged in cavity 4, the inner end of the tap guide rod 1 is placed in the cavity 4, and the inner end of the tap guide rod 1 is formed with hollow cavity, the medium sleeve 2 is inserted in the hollow cavity, and the outer surface of the medium sleeve 2 is attached with the inner wall of the hollow cavity, one end of the metal guide rod 3 is attached with the medium sleeve 2 and is spaced apart from the tap guide rod 1, the other end of the metal guide rod 3 is used to be connected by tap piece 5 Resonance column 6 arranged in the cavity 4, connector 7 is arranged on the outer wall of the cavity 4, and the outer end of the tap guide rod 1 passes through the wall of the cavity 4 and is connected with the connector 7.

[0020] Further, it also includes support medium 8 arranged between the tap guide rod 1 and the bottom wall of the cavity 4.

[0021] Further, the support medium 8 is of insulating material. By adding the support medium 8 of insulating material, the insulation effect between the tap guide rod 1 and the bottom wall of the cavity 4 is ensured.

[0022] Further, the material of the medium sleeve 2 is polytetrafluoroethylene. Specifically, the medium sleeve 2 includes a rod body and a stepped end, the rod body is sleeved on the metal guide rod 3, and the stepped end is integrally formed at the end of the rod body and spaced apart from the metal guide rod 3 and the tap guide rod 1.

[0023] Further, the thickness of the medium sleeve 2 is 0.5 mm.

[0024] Further, the tap piece 5 connecting the metal guide rod 3 and the resonance column 6 is arranged in Z shape or L shape.

[0025] The utility model discloses a medium sleeve 2 of tight fit is arranged between metal guide rod 3 and tap guide rod 1, compared with the mode of air coupling in traditional scheme, there is coupling strength not enough and the problem of power spark caused by bad insulation effect, after the medium sleeve 2 of polytetrafluoroethylene is used in the application, the coupling is strengthened, the insulation effect is increased after the metal guide rod 3 is fully wrapped, can bear greater power, can enhance the tap time delay of UWB filter, reduce direct welding, simple operation, high processing efficiency, good forming quality, greatly improve production efficiency and yield, and the use effect is good.

[0026] The above only is the preferred embodiment of the utility model, and does not use to limit the utility model, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A time delay design for a time delay solution UWB filter product with DC blocking enhancement, characterized by: The tap guide rod (1), the medium sleeve (2) and the metal guide rod (3) are arranged in the cavity (4), the inner end of the tap guide rod (1) is arranged in the cavity (4), the inner end of the tap guide rod (1) is formed with a hollow cavity, the medium sleeve (2) is inserted in the hollow cavity, the outer surface of the medium sleeve (2) is matched with the inner wall of the hollow cavity, one end of the metal guide rod (3) is matched and arranged in the medium sleeve (2) and is spaced from the tap guide rod (1), the other end of the metal guide rod (3) is used for connecting the resonant column (6) arranged in the cavity (4) through the tap piece (5), the outer wall of the cavity (4) is provided with a connector (7), the outer end of the tap guide rod (1) penetrates the wall of the cavity (4) and is connected with the connector (7).

2. The filter product time delay design of claim 1, wherein: The support medium (8) is arranged between the tap guide rod (1) and the bottom wall of the cavity (4).

3. The time delay design of a time delay solution UWB filter product with DC blocking enhancement according to claim 2, characterized in that: The support medium (8) is made of insulating material.

4. The filter product time delay design of claim 1, wherein: The material of the medium sleeve (2) is polytetrafluoroethylene.

5. The filter product time delay design of claim 1, wherein: The thickness of the medium sleeve (2) is 0.5mm.

6. The time delay design of a time delay solution UWB filter product with DC blocking enhancement according to claim 1, wherein: The tap piece (5) connecting the metal guide rod (3) and the resonant column (6) is arranged in Z type or L type.

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