CN213425160U - Lightning protection structure for antenna end of filter - Google Patents
Lightning protection structure for antenna end of filter Download PDFInfo
- Publication number
- CN213425160U CN213425160U CN202022564970.8U CN202022564970U CN213425160U CN 213425160 U CN213425160 U CN 213425160U CN 202022564970 U CN202022564970 U CN 202022564970U CN 213425160 U CN213425160 U CN 213425160U
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- lightning protection
- filter
- pcb
- cavity filter
- bolt
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Abstract
The utility model discloses a wave filter antenna end lightning protection structure, it includes: a cavity filter (4); an ANT joint (5); the structure capacitor assembly (2) is fixed in the cavity filter (4) and one end of the structure capacitor assembly is welded with the ANT joint (5); the inductive coil (1) is arranged in the cavity filter (4); the bolt (6), the said bolt (6) is welded with one end of the inductance coil (1); the sleeve is used for connecting the bolt (6) with the structural capacitor assembly (2) in a screwing manner; the lightning protection device comprises a PCB lightning protection plate (3), the PCB lightning protection plate is fixed in a cavity filter (4), and the other end of the inductance coil (1) penetrates through the PCB lightning protection plate (3) and is welded with the same. The beneficial effects of the utility model are that it is little that the lightning protection structure occupies the cavity space, makes electronic device arrange in a flexible way on the PCB again simultaneously, rational utilization limited space.
Description
Technical Field
The utility model relates to a mobile communication field especially relates to a wave filter antenna end lightning protection structure.
Background
The cavity filter is installed on a communication base station and needs to have a good lightning protection function. As shown in fig. 1-3, the filter comprises a wave trap 7, an inductance coil 1, a coupling rod 8 connected with an antenna end connector 6 of the filter, a PCB lightning protection plate 3, and a filter cavity 4, wherein a lightning protection structure is generally designed at the antenna end connector of the cavity filter. Traditional lightning protection structure occupies cavity space great, simultaneously because the restriction of structure, the lightning protection device mode of arranging is basically fixed on the PCB board, can not arrange in a flexible way, can not the rational utilization space.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is that current cavity filter lightning protection structure occupation space is big, and the inflexible of arranging provides a wave filter antenna end lightning protection structure for this.
The technical scheme of the utility model is that: a filter antenna end lightning protection structure comprising: a cavity filter; an ANT connector; the structure capacitor assembly is fixed in the cavity filter, and one end of the structure capacitor assembly is welded with the ANT connector; the inductance coil is arranged in the cavity filter; the bolt is welded with one end of the inductance coil; the sleeve is used for screwing and connecting the bolt and the structural capacitor assembly; the PCB lightning protection plate is fixed in the cavity filter, and the other end of the inductance coil penetrates through the PCB lightning protection plate and is welded with the PCB lightning protection plate.
In the scheme, the capacitor assembly is fixedly connected with the cavity filter through a screw.
In the above scheme, the PCB lightning protection plate is fixedly connected with the cavity filter through a screw.
In the scheme, the ANT joint inner core is made of brass and plated with silver.
In the scheme, the cavity filter is made of aluminum alloy.
In the scheme, the structural capacitor assembly and the bolt are made of copper silver plating.
In the scheme, the inductance coil material is an enameled wire.
The beneficial effects of the utility model are that it is little that the lightning protection structure occupies the cavity space, makes electronic device arrange in a flexible way on the PCB again simultaneously, rational utilization limited space.
Drawings
FIG. 1 is a prior art schematic;
FIG. 2 is a side view of FIG. 1;
FIG. 3 is a sectional view taken along line G-G of FIG. 2;
FIG. 4 is a schematic view of the present invention
FIG. 5 is a side view of FIG. 4;
FIG. 6 is a cross-sectional view of FIG. 5A-A;
in the figure, the filter comprises an inductance coil 1, a structural capacitor assembly 2, a PCB lightning protection plate 3, a filter cavity 4, a filter 5, an ANT connector 6, a hexagon bolt 7, a wave trap 8 and a coupling rod.
Detailed Description
The technical solution in the embodiment of the present invention is clearly and completely described below with reference to the accompanying drawings. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments of the ordinary skilled person in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 4-6, the utility model comprises: a cavity filter 4; an ANT connector 5; the structure capacitor assembly 2 is fixed in the cavity filter 4, and one end of the structure capacitor assembly is welded with the ANT connector 5; the inductive coil 1 is arranged in the cavity filter 4; the bolt 6 is welded with one end of the inductance coil 1; the sleeve is used for screwing and connecting the bolt 6 with the structural capacitor assembly 2; PCB lightning protection board 3, PCB lightning protection board is fixed in cavity filter 4, inductance coil 1's the other end passes PCB lightning protection board 3 and welds rather than.
As an embodiment of the utility model, the structure electric capacity subassembly passes through screw and 4 fixed connection of cavity filter, the PCB lightning protection board passes through screw and 4 fixed connection of cavity filter.
As an embodiment of the utility model, the ANT connects 5 inner core materials to be brass silvering, the 4 materials of cavity filter are the aluminum alloy, structure capacitor assembly 2 and 6 materials of bolt are copper silvering, inductance coil 1 material is the enameled wire.
The principle of the utility model is as follows: the structural capacitor component 2 and the ANT connector 5 are assembled together in a welding mode and then assembled with the cavity filter 4 in a screw fastening mode;
one end of the inductance coil 1 and a bolt 6 are welded together in a welding mode, and the bolt is preferably a hexagon bolt to form an integral assembly; then the whole assembly and the structural capacitor assembly 2 are screwed together by a hexagonal sleeve;
the PCB lightning protection plate 3 and the cavity filter 4 are assembled together in a screw fastening mode, and the other end of the inductance coil 1 penetrates through a hole reserved in the PCB lightning protection plate 3 and is welded on the PCB lightning protection plate 3 in a welding mode;
the inner core material of the ANT joint 5 is brass silver plating, the material of the cavity filter 4 is aluminum alloy, the material of the bolt 6 and the structural capacitor assembly 2 is copper silver plating, the material of the inductance coil 1 is enameled wire, and the materials are conductors; and the circuit welded with the PCB and the circuit on the PCB form a grounding loop to play a role of lightning protection.
Claims (7)
1. The utility model provides a filter antenna end lightning protection structure, characterized by: it includes: a cavity filter (4); an ANT joint (5); the structure capacitor assembly (2) is fixed in the cavity filter (4) and one end of the structure capacitor assembly is welded with the ANT joint (5); the inductive coil (1) is arranged in the cavity filter (4); the bolt (6), the said bolt (6) is welded with one end of the inductance coil (1); the sleeve is used for connecting the bolt (6) with the structural capacitor assembly (2) in a screwing manner; the lightning protection device comprises a PCB lightning protection plate (3), the PCB lightning protection plate is fixed in a cavity filter (4), and the other end of the inductance coil (1) penetrates through the PCB lightning protection plate (3) and is welded with the same.
2. The filter antenna end lightning protection structure of claim 1, wherein: the structure capacitor assembly is fixedly connected with the cavity filter (4) through a screw.
3. The filter antenna end lightning protection structure of claim 1, wherein: the PCB lightning protection plate is fixedly connected with the cavity filter (4) through a screw.
4. The filter antenna end lightning protection structure of claim 1, wherein: the inner core material of the ANT joint (5) is brass silver plated.
5. The filter antenna end lightning protection structure of claim 1, wherein: the cavity filter (4) is made of aluminum alloy.
6. The filter antenna end lightning protection structure of claim 1, wherein: the structural capacitor assembly (2) and the bolt (6) are made of copper silver plating.
7. The filter antenna end lightning protection structure of claim 1, wherein: the inductance coil (1) is made of enameled wires.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022564970.8U CN213425160U (en) | 2020-11-09 | 2020-11-09 | Lightning protection structure for antenna end of filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022564970.8U CN213425160U (en) | 2020-11-09 | 2020-11-09 | Lightning protection structure for antenna end of filter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213425160U true CN213425160U (en) | 2021-06-11 |
Family
ID=76250706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022564970.8U Active CN213425160U (en) | 2020-11-09 | 2020-11-09 | Lightning protection structure for antenna end of filter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213425160U (en) |
-
2020
- 2020-11-09 CN CN202022564970.8U patent/CN213425160U/en active Active
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| GR01 | Patent grant | ||
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