CN216850271U - Radio frequency coaxial filter device capable of realizing strong coupling - Google Patents
Radio frequency coaxial filter device capable of realizing strong coupling Download PDFInfo
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- CN216850271U CN216850271U CN202122543694.1U CN202122543694U CN216850271U CN 216850271 U CN216850271 U CN 216850271U CN 202122543694 U CN202122543694 U CN 202122543694U CN 216850271 U CN216850271 U CN 216850271U
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Abstract
The utility model relates to a can realize coaxial filter device of strong radio frequency of coupling, including the metal cavity wall, set up the metal attachment on the metal cavity wall, constitute the cavity between the metal cavity wall, the metal attachment, set up the resonance post in the metal cavity wall, set up on the metal attachment and adjust the pole, adjust the unsettled arrangement in pole inner extension to the cavity, its characterized in that: set up coupling device between the resonance post, coupling device include long mounting panel and short mounting panel, set up the connecting plate between long mounting panel and the short mounting panel, vertically on the long mounting panel have the L template, set up the mounting hole on long mounting panel and the short mounting panel respectively, the mounting hole on long mounting panel and the short mounting panel is fixed in respectively between the adjacent resonance post. Simple structure is ingenious, reduces product processing, the design degree of difficulty, and manufacturing cost reduces.
Description
Technical Field
The utility model belongs to the technical field of mobile communication, a radio frequency coupling device is related to, concretely relates to can realize the strong radio frequency coaxial filter device of coupling.
Background
Along with the rapid development of mobile communication technology, the frequency spectrums of multiple operators are diversified, and from a 2G-5G communication system, the communication frequency bandwidth is wider and wider, so that a broadband filtering combiner system is indispensable for providing signal coverage capable of meeting various crowds.
When the existing coaxial cavity filter is coupled, the distance between resonators (resonance columns) of the filter cannot be too close, when the coupling quantity of the filter needs to be further enhanced, the whole filter needs to be repaired and the coupling connection structure needs to be replaced, so that the manufacturing cost of the filter is increased, and meanwhile, the potential safety hazard of high-power ignition caused by overlong adjusting rods due to weak coupling exists, so that the high difficulty of product processing and design is increased, the adjustability of products is reduced, and the production cost is linearly increased.
Disclosure of Invention
In order to solve the problem in the background art, the utility model provides a can realize the strong radio frequency coaxial filter device of coupling, simple structure is ingenious, reduces product processing, the design degree of difficulty, and manufacturing cost reduces.
In order to realize the above effect, the utility model discloses a following technical scheme: the utility model provides a can realize coaxial filter device of radio frequency that coupling is strong, includes the metal cavity wall, sets up metal cover plate on the metal cavity wall, constitutes the cavity between metal cavity wall, the metal cover plate, sets up the resonance post in the metal cavity wall, sets up on the metal cover plate and adjusts the pole, adjusts pole inner and extends to unsettled arrangement in the cavity, its characterized in that: set up coupling device between the resonance post, coupling device include long mounting panel and short mounting panel, set up the connecting plate between long mounting panel and the short mounting panel, vertically on the long mounting panel have the L template, set up the mounting hole on long mounting panel and the short mounting panel respectively, the mounting hole on long mounting panel and the short mounting panel is fixed in respectively between the adjacent resonance post.
Furthermore, the coupling device is a copper sheet.
And further, mounting holes in the long mounting plate and the short mounting plate are respectively fixed in the cavity by screws, and the L-shaped plate and the connecting plate are arranged in a suspended manner.
Still further, the coupling device is made of copper and is subjected to surface silver plating treatment.
Still further, the connecting plate is vertically arranged between the long mounting plate and the short mounting plate, and the overhanging direction of the connecting plate is the same as that of the L-shaped plate.
The utility model has the advantages that: the utility model provides a can realize the coaxial filter device of radio frequency that the coupling is strong, simple structure is ingenious, reduces the product processing, the design degree of difficulty, and manufacturing cost reduces.
Drawings
Fig. 1 is a schematic side view of an embodiment of the present invention;
fig. 2 is a schematic top view of an embodiment of the present invention;
fig. 3 is a circuit structure diagram of an embodiment of the present invention;
fig. 4 is a perspective structural view of a coupling device according to an embodiment of the present invention;
FIG. 5 is a top view structural diagram of FIG. 4;
fig. 6 is a side view structural view of fig. 4.
Detailed Description
In order to compensate the not enough of prior art, the utility model provides a wave filter coupling scheme has general compatibility, and the main control is solved the unable strong coupling of realization of broadband filter and is provided often, can be used to the various products in radio frequency field, reduces the harm of potential high-power striking sparks to communication system when improving production efficiency, prolongs equipment life, practices thrift the cost.
Further, the utility model discloses mainly solve the technical problem that the coupling that prior art exists is weak, the maintenance rate is high, the utility model provides a be convenient for improve production efficiency, reduce the mould cost of repairing and can effectual increase of service life's device.
The present invention will be described in detail with reference to the accompanying drawings.
The utility model provides a can realize coaxial filter device of radio frequency that coupling is strong, includes metal cavity wall 101, sets up metal cover plate 104 on the metal cavity wall 101, constitutes the cavity between metal cavity wall 101, the metal cover plate 104, sets up resonance post 103 in the metal cavity wall 101, sets up on the metal cover plate 104 and adjusts pole 105, adjusts pole 105 inner and extends to unsettled arrangement in the cavity, its characterized in that: the coupling device 102 is arranged between the resonant columns 103, the coupling device 102 comprises a long mounting plate 102a and a short mounting plate 102b, a connecting plate 102c is arranged between the long mounting plate 102a and the short mounting plate 102b, an L-shaped plate 102d is vertically arranged on the long mounting plate 102a, mounting holes are respectively arranged on the long mounting plate 102a and the short mounting plate 102b, and the mounting holes on the long mounting plate 102a and the short mounting plate 102b are respectively fixed between the adjacent resonant columns 103.
Further, the coupling device 102 is a copper sheet.
Still further, the mounting holes on the long mounting plate 102a and the short mounting plate 102b are respectively fixed in the cavity by screws, and the L-shaped plate 102d and the connecting plate 102c are arranged in a suspended manner.
Still further, the coupling device 102 is made of copper and has a silver-plated surface.
Still further, the connecting plate 102c is vertically arranged between the long mounting plate 102a and the short mounting plate 102b, and the overhanging direction of the connecting plate 102c is the same as that of the L-shaped plate 102 d.
The utility model relates to a can realize the coaxial filter device of radio frequency that the coupling is strong adopts a high performance radio frequency coupling device 102 who is used for the radio frequency device, (radio frequency) coupling device 102 is a copper sheet. The device mainly has the function of providing strong coupling in a filtering combiner of a communication equipment system, and is applied to a filter, so that the bandwidth of the product can be greatly improved.
Specifically, the utility model relates to a high performance radio frequency coupling device convenient to control strong coupling of wave filter, the coaxial filter of (radio frequency) is a wave filter for improving spectrum resource and utilization ratio, preventing that the signal in the frequency channel from receiving the interference effect of other signals, and it contains metal cavity wall 101, metal cover plate 104, resonance post 103, adjusts pole 105 (can not bump the chamber wall of cavity), coupling device 102. The (radio frequency) coupling device 102 is a metal copper sheet with an L-shaped plate, the coupling device 102 is provided with two mounting holes, the coupling device 102 is fixed between the resonant columns 103 of the radio frequency coaxial filter, the two mounting holes are respectively fixed in the cavity by screws, and an L-shaped plate 102d and a connecting plate 102c of the coupling device 102 are arranged in a suspended manner, so that the stability and the firmness of the coupling plate (namely the coupling device 102) are facilitated; the coupling amount (volume) between the resonators (namely the resonant columns 103) is adjusted through the length and the width of the coupling piece, so that the coupling amount required by various broadband filters is met. The specific structure of the structure is not limited in the application, and can be in various systems.
And the coupling device 102 is installed between two resonators (i.e., the resonance columns 103) on the filter through the two (or more) mounting holes, so that the amount of coupling between the resonators (i.e., the resonance columns 103) can be adjusted. The utility model relates to a (radio frequency) coupling device 102 convenient to control strong coupling of wave filter, (radio frequency) coupling device 102 is a copper sheet, and the shape is unrestricted, adopts this application structure promptly, and is further, and this (coupling device 102) is copper product and surface silvering to handle to reach the low intermodulation performance of low-loss.
To sum up, the utility model relates to a (be arranged in the radio frequency device) can realize the strong radio frequency coaxial filter device of coupling. The utility model discloses the product is mainly applied to mobile communication wave filter and closes way system, and this product has realized the function of the strong coupling of broadband radio frequency filter, possesses the low intermodulation product characteristic of low-loss simultaneously. The problem that the coupling amount of a broadband filter cannot be met due to the fact that an existing coupling window is not large enough and the problem that power ignition is caused due to too many coupling rods (the adjusting rods 105) are solved, and the device is capable of effectively improving performance indexes, cost and production efficiency of products.
The utility model discloses a: by increasing the coupling amount between resonators (resonant columns 103), the bandwidth of the filter is wider, the number of modes for repairing and replacing the coupling structure is reduced, the production efficiency is increased, the product cost is reduced, and the product stability is improved.
In order to make the technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be completely and clearly described with reference to the accompanying drawings, and the described embodiments are one kind of the present invention, but not all of them. The invention belongs to the protection scope.
Example (b):
as shown in fig. 1 and 2, the filter includes a metal cavity wall 101, a coupling device 102, a resonant column 103, and a metal cover plate 104, where the resonant column 103 is disposed in a cavity formed by the metal cavity wall 101 and the metal cover plate 104, the metal cover plate 104 is fixed on the metal cavity wall 101, and the coupling device 102 is fixed on a side (in a space) of the metal cavity wall 101 by screws through (two) mounting holes.
Claims (5)
1. The utility model provides a can realize coaxial filter device of radio frequency that coupling is strong, includes metal cavity wall (101), sets up metal covering plate (104) on metal cavity wall (101), constitutes the cavity between metal cavity wall (101), metal covering plate (104), sets up resonance post (103) in metal cavity wall (101), sets up on metal covering plate (104) and adjusts pole (105), adjusts pole (105) inner and extends to unsettled arrangement in the cavity, its characterized in that: set up coupling device (102) between resonance post (103), coupling device (102) including long mounting panel (102a) and short mounting panel (102b), set up connecting plate (102c) between long mounting panel (102a) and the short mounting panel (102b), L template (102d) have stood on long mounting panel (102a), set up the mounting hole on long mounting panel (102a) and short mounting panel (102b) respectively, the mounting hole on long mounting panel (102a) and short mounting panel (102b) is fixed in respectively between adjacent resonance post (103).
2. A rf coaxial filter device according to claim 1, wherein said rf coaxial filter device comprises: the coupling device (102) is a copper sheet.
3. A rf coaxial filter device with high coupling according to claim 1 or 2, wherein: mounting holes in the long mounting plate (102a) and the short mounting plate (102b) are respectively fixed in the cavity by screws, and the L-shaped plate (102d) and the connecting plate (102c) are arranged in a suspended mode.
4. A rf coaxial filter device with high coupling according to claim 1 or 2, wherein: the coupling device (102) is made of copper material and is subjected to surface silver plating treatment.
5. A rf coaxial filter device according to claim 3, wherein said rf coaxial filter device comprises: the connecting plate (102c) is vertically arranged between the long mounting plate (102a) and the short mounting plate (102b), and the overhanging direction of the connecting plate (102c) is the same as that of the L-shaped plate (102 d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543694.1U CN216850271U (en) | 2021-10-21 | 2021-10-21 | Radio frequency coaxial filter device capable of realizing strong coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122543694.1U CN216850271U (en) | 2021-10-21 | 2021-10-21 | Radio frequency coaxial filter device capable of realizing strong coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216850271U true CN216850271U (en) | 2022-06-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122543694.1U Active CN216850271U (en) | 2021-10-21 | 2021-10-21 | Radio frequency coaxial filter device capable of realizing strong coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216850271U (en) |
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2021
- 2021-10-21 CN CN202122543694.1U patent/CN216850271U/en active Active
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