CN106849907B

CN106849907B - Miniaturized L wave multichannel switch filter bank

Info

Publication number: CN106849907B
Application number: CN201710237027.6A
Authority: CN
Inventors: 吴淮宁; 卞晗; 吴争锋; 姚成贵
Original assignee: Nanjing Xinier Communication Technology Co ltd
Current assignee: Nanjing Xinier Communication Technology Co ltd
Priority date: 2017-04-12
Filing date: 2017-04-12
Publication date: 2023-05-09
Anticipated expiration: 2037-04-12
Also published as: CN106849907A

Abstract

The invention discloses a miniaturized L-wave multichannel switch filter bank, which comprises a mounting shell and a secondary shell, wherein the bottom of the mounting shell is internally inserted into the secondary shell, a baffle is fixed in the mounting shell, the interior of the mounting shell is divided into an adjusting chamber and a mounting chamber by the baffle, the adjusting chamber is positioned above the top of the mounting chamber, a round hole communicated with the interior of the adjusting chamber is formed in the top of the mounting shell, an adjusting column is arranged in the round hole, an adjusting knob is fixed at the top of the adjusting column, a spring limiting block is fixed at the bottom of the adjusting column, a spring is sleeved outside the adjusting column, the spring is fixed at the top of the spring limiting block, and a connecting pipe is fixed at the bottom of the spring limiting block. The invention integrates the switch and the filter, reduces the volume, has simple structure, is convenient to operate, and has high channel switching speed and low manufacturing cost.

Description

Miniaturized L wave multichannel switch filter bank

Technical Field

The invention relates to the technical field of filter banks, in particular to a miniaturized L-wave multichannel switch filter bank.

Background

In modern mobile communication, a frequency selection network is widely used in the communication field, and a switch filter is a key component in the frequency selection network. The switch filter has the characteristics of high performance value, high power capacity and multi-band selective filtering through switch switching.

However, the plurality of switches and the plurality of filters in the existing L-wave multi-channel switch filter bank are usually separately arranged, so that the structure is complex, the volume is large, the production and the assembly are inconvenient, and the use is not flexible. Meanwhile, the existing L-wave multichannel switch filter bank is high in manufacturing cost and is not beneficial to small and medium enterprises.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a miniaturized L-wave multichannel switch filter bank.

In order to achieve the above purpose, the present invention adopts the following technical scheme:

miniaturized L ripples multichannel switch filter group, including installation casing and inferior casing, the bottom interpolation of installation casing is in inferior casing, be fixed with the baffle in the installation casing, and the baffle becomes regulation cavity and installation cavity with the internal partition of installation casing, the regulation cavity is located the top of installation cavity, the top of installation casing is equipped with the round hole with the inside intercommunication of regulation cavity, and is equipped with the regulation post in the round hole, the top of regulation post is fixed with adjust knob, and the bottom of regulation post is fixed with the spring stopper, the outside cover of regulation post is equipped with the spring, and the spring is fixed at the top of spring stopper, the bottom of spring stopper is fixed with the connecting pipe, and one side of connecting pipe is fixed with the movable contact block with the inside intercommunication of connecting pipe, the bottom of connecting pipe is equipped with the wiring pipe, be equipped with a plurality of installation cavities in the installation cavity, and the installation cavity encircles the wiring pipe equidistance and distribute, the top of installation cavity be equipped with a plurality of with the opening groove of the inside intercommunication of installation cavity, and the movable contact block sliding sleeve is cup joint in the opening inslot, the both sides inner wall of installation cavity is fixed with adjust knob, the first fixed block is close to one side of fixed block and two fixed blocks are located the first fixed block and is close to one side of fixed block and is located the fixed block between the fixed block and the fixed block is located one side of fixed block and the fixed point contact strip and the same one side, and is located the fixed block and is located one side and near to the fixed block and the fixed block is located on the fixed point to the fixed block.

Preferably, a filtering input end and a filtering output end are arranged on one side of the secondary shell, the filtering output end is located above the top of the filtering input end, and the filtering input end is connected with the movable contact block through a wiring inside the wiring tube.

Preferably, the filter is arranged in the mounting chamber, the input end of the filter is connected with the corresponding static contact block through a wire, and the output end of the filter is connected with the filtering output end through a wire.

Preferably, the connecting pipe, the partition plate and the second fixing block are all made of insulating materials.

Preferably, the static contact block is a semi-arc elastic steel sheet, and the distance between the two elastic steel sheets is matched with the size of the movable contact block.

Preferably, the movable contact block is L-shaped, and the movable contact block is made of conductive material.

In the invention, the filter is arranged in the installation cavity, so that the filter has a plurality of filter channels; the set indication needle and the mark indication strip can indicate to a user, so that the user can conveniently and quickly switch the filtering channel; the filtering can be carried out through the filtering channel by matching the structures of the adjusting knob, the spring, the movable contact block, the static contact block and the like; the invention integrates the switch and the filter, reduces the size, has simple structure, is convenient to operate and has low manufacturing cost.

Drawings

Fig. 1 is a schematic diagram of the internal structure of a miniaturized L-wave multi-channel switch filter set according to the present invention;

fig. 2 is a schematic top view of a miniaturized L-wave multi-channel switch filter set according to the present invention.

In the figure: the device comprises a 1 mounting shell, a 2-time shell, a 3 adjusting cavity, a 4 mounting cavity, a 5 adjusting column, a 6 spring, a 7 spring limiting block, an 8 connecting pipe, a 9 movable contact block, a 10 partition board, a 11 static contact block, a 12 first fixed block, a 13 second fixed block, a 14 wire connection pipe, a 15 filtering input end, a 16 filtering output end, a 17 adjusting knob, an 18 indicating needle and a 19 marking indicating strip.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.

Referring to fig. 1-2, the miniaturized L-wave multichannel switch filter bank, including installation casing 1 and inferior casing 2, the bottom interpolation of installation casing 1 is in inferior casing 2, installation casing 1 internal fixation has baffle 10, and baffle 10 separates into regulation cavity 3 and installation cavity with the inside of installation casing 1, regulation cavity 3 is located the top of installation cavity, the top of installation casing 1 is equipped with the round hole with the inside intercommunication of regulation cavity 3, and be equipped with adjusting column 5 in the round hole, adjusting column 5's top is fixed with adjust knob 17, and adjusting column 5's bottom is fixed with spring stopper 7, the outside cover of adjusting column 5 is equipped with spring 6, and spring 6 is fixed at spring stopper 7's top, spring stopper 7's bottom is fixed with connecting pipe 8, and one side of connecting pipe 8 is fixed with the movable contact piece 9 with connecting pipe 8 internal communication, connecting pipe 8's bottom is equipped with wire pipe 14, and the inside of connecting pipe 14 is equipped with the wiring, be equipped with a plurality of installation cavity 4 in the installation cavity, and install cavity 4 around contact pipe 14 distributes, the top of installation cavity 4 is equipped with a plurality of opening grooves with the inside of installation cavity 4 intercommunication, and the fixed contact piece is equipped with the fixed point to be close to one side of two fixed contact piece 13 and be located at two fixed contact piece 13 and fixed contact piece 13, the fixed point 13 are located at the fixed point 13 one side of 13 and are located at two fixed contact piece 13 and are close to one side of fixed piece 13, fixed point 13, fixed piece 13 are located at the fixed piece 13, the fixed piece 13 is located at the top point 13 of contact piece is near to one side of contact piece 13 each other contact piece with each other between the top piece and fixed piece is located at the top point 13, one side of the secondary shell 2 is provided with a filtering input end 15 and a filtering output end 16, the filtering output end 16 is positioned above the top of the filtering input end 15, the filtering input end 15 is connected with the movable contact block 9 through a wiring inside the wiring pipe 14, a filter is arranged in the mounting cavity 4, the input end of the filter is connected with the corresponding static contact block 11 through a wire, the output end of the filter is connected with the filtering output end 16 through a wire, the connecting pipe 8, the partition plate 10 and the second fixed block 13 are all made of insulating materials, the static contact block 11 is a semi-arc elastic steel sheet, the distance between the two elastic steel sheets is matched with the size of the movable contact block 9, the shape of the movable contact block 9 is L-shaped, and the movable contact block 9 is made of conductive materials.

When the invention is used, the adjusting knob 17 is pulled up and turned, when the indicating needle 18 is turned to the position indicated by the indicating strip 19, the adjusting knob 17 is loosened, and the spring 6 in a compressed state presses the movable contact block 9 between the two static contact blocks 11, and the static contact blocks 11 are tightly connected with the movable contact block 9 due to elasticity of the static contact blocks 11, so that a closed switch is formed, and an electric signal is input into the filter of the installation cavity 4 for filtering and is output by the filtering output end 16. The filtering can be rapidly carried out through a plurality of channels through the cooperation of the structures such as the adjusting knob 17, the spring 6, the movable contact block 9, the static contact block 11 and the like, the use is very convenient, the structure is simple, and the volume is small.

The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.

Claims

1. The miniature L-wave multichannel switch filter bank comprises a mounting shell (1) and a secondary shell (2), and is characterized in that the bottom of the mounting shell (1) is internally inserted into the secondary shell (2), a partition plate (10) is fixedly arranged in the mounting shell (1), the interior of the mounting shell (1) is divided into an adjusting cavity (3) and a mounting cavity by the partition plate (10), the adjusting cavity (3) is positioned above the top of the mounting cavity, a round hole communicated with the interior of the adjusting cavity (3) is formed in the top of the mounting shell (1), an adjusting column (5) is arranged in the round hole, an adjusting knob (17) is fixedly arranged at the top of the adjusting column (5), a spring limiting block (7) is fixedly sleeved at the outer side of the adjusting column (5), the spring (6) is fixedly arranged at the top of the spring limiting block (7), a movable contact block (9) communicated with the interior of the mounting cavity is fixedly arranged at one side of the spring limiting block (8), a plurality of connecting tubes (14) are arranged at the bottom of the connecting column (5), a plurality of connecting tubes (14) are distributed in the connecting tube (4) and are distributed in the connecting tube (4) in an equidistant mode, the top of the installation cavity (4) is provided with a plurality of open slots communicated with the inside of the installation cavity (4), the movable contact blocks (9) are sleeved in the open slots in a sliding manner, the inner walls of two sides of the installation cavity (4) are respectively fixed with a first fixed block (12), one ends of the first fixed blocks (12) close to each other are respectively connected with a second fixed block (13), one ends of the second fixed blocks (13) far away from the first fixed blocks (12) are connected with a static contact block (11), the movable contact blocks (9) are positioned between the two static contact blocks (11), the top of the installation shell (1) is provided with a plurality of mark indication strips (19) corresponding to the positions of the open slots, one side, close to the movable contact blocks (9), of the adjusting knob (17) is provided with an indication needle (18), and the indication needle (18) and the movable contact blocks (9) are positioned on the same vertical line;

a filtering input end (15) and a filtering output end (16) are arranged on one side of the secondary shell (2), the filtering output end (16) is positioned above the top of the filtering input end (15), and the filtering input end (15) is connected with the movable contact block (9) through a wiring inside the wiring tube (14);

the filter is arranged in the mounting cavity (4), the input end of the filter is connected with the corresponding static contact block (11) through a wire, and the output end of the filter is connected with the filtering output end (16) through a wire.

2. The miniaturized L-wave multi-channel switch filter bank according to claim 1, characterized in that the connection tube (8), the partition (10) and the second fixing block (13) are all made of insulating material.

3. The miniaturized L-wave multichannel switch filter bank according to claim 1, characterized in that the static contact block (11) is a semi-arc-shaped elastic steel sheet, and the distance between two elastic steel sheets is adapted to the size of the movable contact block (9).

4. The miniaturized L-wave multichannel switch filter bank according to claim 1, characterized in that the movable contact block (9) is L-shaped and the movable contact block (9) is made of a conductive material.