CN210403989U - Same-frequency combiner applied to 5GNSA networking - Google Patents
Same-frequency combiner applied to 5GNSA networking Download PDFInfo
- Publication number
- CN210403989U CN210403989U CN201921818460.XU CN201921818460U CN210403989U CN 210403989 U CN210403989 U CN 210403989U CN 201921818460 U CN201921818460 U CN 201921818460U CN 210403989 U CN210403989 U CN 210403989U
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- transmission line
- shell
- 5gnsa
- same
- frequency combiner
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- 230000006855 networking Effects 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 48
- 230000017525 heat dissipation Effects 0.000 claims description 10
- 239000000758 substrate Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 abstract description 2
- 230000009466 transformation Effects 0.000 abstract description 2
- 238000004891 communication Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
A same-frequency combiner applied to a 5GNSA networking comprises a shell, wherein the shell is of a hollow structure, and a first signal input port, a second signal input port and an output port are respectively arranged on two sides of the shell; the load resistor is arranged on the inner wall of the shell; the first transmission line is arranged in the shell, and two ends of the first transmission line are respectively connected with the first signal input port and the first signal output port; and the second transmission line is arranged in the shell, and two ends of the second transmission line are respectively connected with the second signal input port and the load resistor. The utility model has the advantages as follows: the same-frequency combiner adopts a broadband stepped stripline structure to design a transmission line, realizes a path by two sections of impedance transformation structures, and has wide bandwidth, high flatness, stable product performance and low loss. The double-layer positioning groove is formed in the cavity, so that the transmission line is convenient to install and easy to produce, and the consistency of products is greatly improved. The high-power thick-film ceramic resistor of 300W is selected, so that the product has higher power bearing capacity.
Description
Technical Field
The utility model relates to a communication field especially relates to microwave device, especially a be applied to same frequency combiner of 5GNSA network deployment.
Background
With the continuous development of communication technology, especially the updated evolution of 5G technology. The existing communication frequency range is more abundant, operators cover the communication frequency range independently, space resources are wasted, and repeated laying of transmission lines is caused. The same-frequency combiner is a common device constructed in a room division manner, and is favorable for rapidly solving the problem of multi-signal combining in a 5GNSA networking mode. Traditional co-frequency combiner, the equipment is loaded down with trivial details, and transmission band line distance is difficult to the accuse, and the installation accuracy is difficult to guarantee, and the product uniformity is poor. How to ensure the production precision and the product performance.
SUMMERY OF THE UTILITY MODEL
To the technical defect, an object of the utility model is to provide a solve same frequency combiner of being applied to 5GNSA network deployment of above-mentioned technical problem.
In order to solve the technical problem, the utility model discloses be applied to same frequency combiner of 5GNSA network deployment, including the casing, the casing is hollow structure, is equipped with first signal input port, second signal input port and output port respectively in the both sides of casing; the load resistor is arranged on the inner wall of the shell; the first transmission line is arranged in the shell, and two ends of the first transmission line are respectively connected with the first signal input port and the output port; and the second transmission line is arranged in the shell, and two ends of the second transmission line are respectively connected with the second signal input port and the load resistor.
A first impedance matching joint is arranged on the side part of the first transmission line; and a second impedance matching section is arranged on the side part of the second transmission line.
The load resistor is arranged on the inner wall of the shell through a substrate.
The first transmission line and the second transmission line are respectively composed of two sections of S-shaped strip lines.
The first transmission line is arranged in the shell through a first positioning block; the second transmission line is arranged in the shell through a second positioning block.
The shell comprises a cavity and a cover plate covering the cavity.
The cover plate is provided with a debugging hole and a boss.
The diameter of debugging hole is 2 millimeters, the height of boss is 2 millimeters.
The cover plate is provided with a heat dissipation plate.
And the heat dissipation plate is provided with heat dissipation fins.
The utility model discloses be applied to same frequency combiner of 5GNSA network deployment has following advantage:
1. the same-frequency combiner adopts a broadband stepped stripline structure to design a transmission line, realizes a path by two sections of impedance transformation structures, and has wide bandwidth, high flatness, stable product performance and low loss.
2. The double-layer positioning groove is formed in the cavity, so that the transmission line is more convenient to install and easy to produce, and the consistency of products is greatly improved.
3. The high-power thick-film ceramic resistor of 300W is selected, so that the product has higher power bearing capacity.
Drawings
Fig. 1 is a top view of the cavity of the present invention.
Fig. 2 is a schematic sectional view of the cavity of the present invention.
Fig. 3 is a top view of the cover plate of the present invention.
Fig. 4 is a schematic cross-sectional view of the cover plate of the present invention.
Fig. 5 is a schematic sectional view of the heat dissipating plate of the present invention.
Detailed Description
The same-frequency combiner applied to the 5GNSA networking of the present invention is further described in detail with reference to the accompanying drawings.
As shown in fig. 1 to 5, the same-frequency combiner applied to 5GNSA networking of the present invention mainly includes a cavity 10, a cover plate 60, a heat dissipation plate 70, a first transmission line 21, a second transmission line 22 and a high-power load resistor 30. The cavity 10 has three ports, namely a first signal input port 11, a second signal input port 12 and an output port 13, outside, and a debugging hole 61 and a debugging hole 62 are formed in the cover plate.
In this embodiment, as shown in fig. 1, one end of the first transmission line 21 is connected to the first signal input port 11, the other end is connected to the output port 13, and the side surface of the transmission line is provided with a first impedance matching node 211; the side of the second transmission line 22 is provided with a second impedance matching section 221, one end of the second transmission line 22 is connected with the second signal input port 12, the other end of the second transmission line 22 is welded with a pin 31 of the high-power load resistor 30, the high-power load resistor 30 is provided with a substrate 32, two sides of the substrate 32 are provided with screw holes 33, and the high-power load resistor 30 is fixed with the cavity 10 through screws.
In this embodiment, as shown in fig. 1, the first transmission line 21 and the second transmission line 22 are composed of two S-shaped strip lines, and are overlapped with each other in the cavity 10. A gap is kept between the two transmission lines, and a positioning block is arranged at the bottom of the transmission line for assisting installation.
In this embodiment, as shown in fig. 1 and fig. 2, the bottom of the cavity 10 has a groove 14, the depth of the groove is 2 mm, and two layers of positioning grooves, namely, a first layer of positioning grooves (41, 43) and a second layer of positioning grooves (42, 44), are formed on the side surface of the cavity 10. The first positioning blocks (51, 53) are arranged in the corresponding mounting grooves, the first transmission line 21 is arranged above the first positioning blocks, and after the first transmission line 21 is mounted, the first signal input port 11 and the first signal output port 13 are welded at the two ends of the first transmission line 21 respectively; second positioning blocks (52, 54) are installed in the corresponding installation grooves to compact the first transmission line 21 and install the second transmission line 22 above.
In this embodiment, as shown in fig. 3, the surface of the cover plate 60 has debugging holes (61, 62) and a boss 63, the boss 63 is 2 mm high, and the debugging holes are through holes with a diameter of 2 mm. The first transmission line 21 and the second transmission line 22 can be directly debugged through the debugging holes (61, 62), the signal intensity is balanced, the cover is prevented from being dismounted, and the production efficiency is improved.
In this embodiment, as shown in fig. 5, the surface of the heat dissipation plate 70 has a wave-shaped heat dissipation fin 71, and the surface area is increased by the corrugated structure to improve the heat dissipation efficiency, so as to meet the requirement of fast heat dissipation in a high-power operating state. The heat radiating plate 70 is mounted on the cover plate 60 and fixed thereto by screws. Meanwhile, whether a heat dissipation plate is additionally arranged or not can be considered according to the actual scene.
While the preferred embodiments of the present invention have been described in detail, it will be understood by those skilled in the art that the invention is not limited thereto, and various equivalent modifications and substitutions can be made without departing from the spirit of the present invention.
Claims (10)
1. A same-frequency combiner applied to a 5GNSA networking is characterized by comprising: the shell is of a hollow structure, and a first signal input port, a second signal input port and an output port are respectively arranged on two sides of the shell; the load resistor is arranged on the inner wall of the shell; the first transmission line is arranged in the shell, and two ends of the first transmission line are respectively connected with the first signal input port and the output port; and the second transmission line is arranged in the shell, and two ends of the second transmission line are respectively connected with the second signal input port and the load resistor.
2. The same-frequency combiner applied to 5GNSA networking according to claim 1, wherein a first impedance matching section is arranged at the side of the first transmission line; and a second impedance matching section is arranged on the side part of the second transmission line.
3. The same-frequency combiner applied to 5GNSA networking according to claim 2, wherein the load resistor is disposed on an inner wall of the housing through a substrate.
4. The same-frequency combiner applied to 5GNSA networking according to claim 3, wherein the first transmission line and the second transmission line are respectively composed of two S-shaped strip lines.
5. The same-frequency combiner applied to 5GNSA networking according to claim 4, wherein the first transmission line is arranged in the housing through a first positioning block; the second transmission line is arranged in the shell through a second positioning block.
6. The same-frequency combiner applied to 5GNSA networking according to claim 5, wherein the housing comprises a cavity and a cover plate covering the cavity.
7. The same-frequency combiner applied to 5GNSA networking according to claim 6, wherein a debugging hole and a boss are arranged on the cover plate.
8. The same-frequency combiner applied to 5GNSA networking according to claim 7, wherein the diameter of the debugging hole is 2 mm, and the height of the boss is 2 mm.
9. The same-frequency combiner applied to 5GNSA networking according to claim 8, wherein a heat dissipation plate is provided on the cover plate.
10. The same-frequency combiner applied to 5GNSA networking according to claim 9, wherein a heat sink is disposed on the heat sink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818460.XU CN210403989U (en) | 2019-10-28 | 2019-10-28 | Same-frequency combiner applied to 5GNSA networking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921818460.XU CN210403989U (en) | 2019-10-28 | 2019-10-28 | Same-frequency combiner applied to 5GNSA networking |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210403989U true CN210403989U (en) | 2020-04-24 |
Family
ID=70343093
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921818460.XU Expired - Fee Related CN210403989U (en) | 2019-10-28 | 2019-10-28 | Same-frequency combiner applied to 5GNSA networking |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210403989U (en) |
-
2019
- 2019-10-28 CN CN201921818460.XU patent/CN210403989U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |