CN221305034U - Radio frequency and passive connecting device of 5G communication base station - Google Patents
Radio frequency and passive connecting device of 5G communication base station Download PDFInfo
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- CN221305034U CN221305034U CN202323264090.9U CN202323264090U CN221305034U CN 221305034 U CN221305034 U CN 221305034U CN 202323264090 U CN202323264090 U CN 202323264090U CN 221305034 U CN221305034 U CN 221305034U
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- radio frequency
- connecting column
- conductor connecting
- passive
- outer ring
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- 239000004020 conductor Substances 0.000 claims abstract description 23
- 230000008054 signal transmission Effects 0.000 claims abstract description 5
- 239000000499 gel Substances 0.000 claims abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
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Abstract
The utility model relates to a radio frequency and passive connection device of a 5G communication base station, which comprises a first connection component and a second connection component; the first connecting component is arranged in the passive cavity and comprises an inner ring, an outer ring and a conductor connecting column, and the conductor connecting column is connected with the resonant cavity in the passive cavity; the inner ring and the outer ring are sequentially arranged at the periphery of the conductor connecting column at intervals from inside to outside, the inner ring and the outer ring are both connected with the ground, and a plurality of conductive gels are connected between the inner ring and the outer ring; the second connecting component is arranged on the active radio frequency circuit board and comprises a grounding circuit board positioned at the periphery and a micro-strip layer positioned at the inner periphery and used for signal transmission, one end of the micro-strip layer is connected with the conductor connecting column, and the other end of the micro-strip layer is connected with the final stage of the amplifier. The transmission of radio frequency signals from the active radio frequency circuit board to the passive cavity 1 can be realized through the combined connection of the two connecting components, so that the loss on a transmission link is reduced, and the loss is reduced to 0.2-0.3dB.
Description
Technical Field
The utility model relates to the technical field of radio frequency and passive connection devices, in particular to a radio frequency and passive connection device of a 5G communication base station.
Background
At present, on a communication system, a common connection mode that signal output of an active radio frequency amplifier final stage is transmitted to a passive cavity provides an SMA external screw inner hole joint for the amplifier final stage, one end of the passive cavity also provides an SMA external screw inner hole joint, the middle of the two joints plays a role in signal transmission of the two joints through a mode that two ends of the two joints are an SMA internal screw inner needle coaxial semisteel soft 50 ohm jumper joint, and a section of KTG-047-50/semisteel radio frequency coaxial cable is welded in the middle. In the connection mode, the final stage of the amplifier passes through a section of semisteel with 4 joints, the power loss of about 0.8-1 dB is generated on the section, the reduction of the output power of the final stage of the radio frequency amplifier directly affects the maximum output capacity of the system, and particularly, for a system with more emphasis on the aspect of 5G power efficiency, the reduction of the loss on a link to the greatest extent is an important technology of the system.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a radio frequency and passive connection device of a 5G communication base station so as to further reduce power loss.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A radio frequency and passive connection device of a 5G communication base station comprises a first connection component and a second connection component;
The first connecting component is arranged in the passive cavity and comprises an inner ring, an outer ring and a conductor connecting column, and the conductor connecting column is connected with the resonant cavity in the passive cavity and used for conducting signals; the inner ring and the outer ring are sequentially arranged at the periphery of the conductor connecting column at intervals from inside to outside, the inner ring and the outer ring are both connected with the ground, and a plurality of conductive gels are connected between the inner ring and the outer ring;
The second connecting component is arranged on the active radio frequency circuit board and comprises a grounding circuit board positioned at the periphery and a micro-strip layer positioned at the inner periphery and used for signal transmission, one end of the micro-strip layer is connected with the conductor connecting column, and the other end of the micro-strip layer is connected with the final stage of the amplifier.
Further, the center of the conductor connecting column is provided with a threaded hole, one end of the micro-strip layer is provided with a round hole, and the round hole is connected to the threaded hole of the conductor connecting column through screw locking.
By adopting the technical scheme, the loss of the final stage of the radio frequency amplifier connected to the passive cavity can be reduced from 0.8-1 dB to 0.2-0.3 dB, the loss is reduced, the energy utilization is improved, and the environment protection is promoted.
Drawings
The utility model is described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a cross-sectional view of the first connection assembly;
fig. 3 is a cross-sectional view of a connection structure of the first connection assembly and the second connection assembly.
Description of the embodiments
As shown in fig. 1-3, the radio frequency and passive connection device of the 5G communication base station of the present utility model includes a first connection component and a second connection component.
The first connecting component is arranged in the passive cavity 1 and comprises an inner ring 2, an outer ring 3 and a conductor connecting column 4, and the conductor connecting column 4 is connected with a resonant cavity in the passive cavity 1 and used for conducting signals; the inner ring 2 and the outer ring 3 are sequentially arranged at the periphery of the conductor connecting column 4 at intervals from inside to outside, the inner ring 2 and the outer ring 3 are both connected with the ground, and a plurality of conductive gels are connected between the inner ring 2 and the outer ring 3 to play a role in preventing signal leakage; the conductor connecting column 4 and the inner ring 2 have a certain gap and are not communicated with each other to play a role of isolation.
The second connecting component is arranged on the active radio frequency circuit board and comprises a grounding circuit board 5 positioned at the periphery and a microstrip layer 6 positioned at the inner periphery and used for signal transmission, one end of the microstrip layer 6 is connected with the conductor connecting column 4, and the other end of the microstrip layer 6 is connected with the final stage of the amplifier.
In this embodiment, a threaded hole is formed in the center of the conductor connecting post 4, and one end of the microstrip layer 6 is locked and connected to the threaded hole of the conductor connecting post 4 by a screw 7.
The utility model can realize the transmission of the radio frequency signal from the active radio frequency circuit board to the passive cavity through the combined connection of the two connecting components, reduces the loss on the transmission link and reduces the loss to 0.2-0.3dB.
While particular embodiments of the present utility model have been described above, it will be understood by those skilled in the art that this is by way of example only, and that various changes and modifications may be made to this embodiment without departing from the spirit and scope of the utility model, but these changes and modifications are within the scope of the utility model.
Claims (2)
1. The utility model provides a 5G communication base station radio frequency and passive connecting device which characterized in that: comprises a first connecting component and a second connecting component;
The first connecting component is arranged in the passive cavity and comprises an inner ring, an outer ring and a conductor connecting column, and the conductor connecting column is connected with the resonant cavity in the passive cavity and used for conducting signals; the inner ring and the outer ring are sequentially arranged at the periphery of the conductor connecting column at intervals from inside to outside, the inner ring and the outer ring are both connected with the ground, and a plurality of conductive gels are connected between the inner ring and the outer ring;
The second connecting component is arranged on the active radio frequency circuit board and comprises a grounding circuit board positioned at the periphery and a micro-strip layer positioned at the inner periphery and used for signal transmission, one end of the micro-strip layer is connected with the conductor connecting column, and the other end of the micro-strip layer is connected with the final stage of the amplifier.
2. The radio frequency and passive connection device of a 5G communication base station according to claim 1, wherein: the center of the conductor connecting column is provided with a threaded hole, one end of the micro-strip layer is provided with a round hole, and the round hole is connected to the threaded hole of the conductor connecting column through screw locking.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264090.9U CN221305034U (en) | 2023-11-29 | 2023-11-29 | Radio frequency and passive connecting device of 5G communication base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323264090.9U CN221305034U (en) | 2023-11-29 | 2023-11-29 | Radio frequency and passive connecting device of 5G communication base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221305034U true CN221305034U (en) | 2024-07-09 |
Family
ID=91756676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323264090.9U Active CN221305034U (en) | 2023-11-29 | 2023-11-29 | Radio frequency and passive connecting device of 5G communication base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221305034U (en) |
-
2023
- 2023-11-29 CN CN202323264090.9U patent/CN221305034U/en active Active
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