CN215119197U - 5G low intermodulation broadband combiner - Google Patents
5G low intermodulation broadband combiner Download PDFInfo
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- CN215119197U CN215119197U CN202120824913.0U CN202120824913U CN215119197U CN 215119197 U CN215119197 U CN 215119197U CN 202120824913 U CN202120824913 U CN 202120824913U CN 215119197 U CN215119197 U CN 215119197U
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Abstract
The utility model discloses a 5G low intermodulation wide band combiner, including the combiner main part that is used for bearing each spare part of combiner, the signal filtering chamber that is used for signal transmission is offered to the inside of combiner main part, the one end of combiner main part is equipped with first signal transmission port in proper order, second signal transmission port and third signal transmission port, the other end of combiner main part is equipped with public signal transmission port, be connected with the coupling window that extends side by side with combiner main part an organic whole in the signal filtering intracavity, low pass filter is separated out with the combiner main part to the coupling window, first metal cavity filter and second metal cavity filter, one side that is close to public signal transmission port in the signal filtering intracavity is equipped with the public axle, be used for connecting low pass filter, first metal cavity filter and second metal cavity filter. The utility model discloses make the low intermodulation wide band combiner of 5G compact structure, small, easily installation and low intermodulation loss have improved and have produced the sexual valence ratio, have improved market competition.
Description
Technical Field
The utility model belongs to the technical field of the combiner, especially, relate to a low intermodulation wide band combiner of 5G.
Background
The center of the 5 th generation mobile communication industry is in china, the mobile communication industry is the pillar of the electronic information industry, which will greatly change the global pattern of the electronic information industry, in the coming years, the construction volume of the domestic fifth generation mobile communication system will be huge, in the modern mobile communication technology, the microwave radio frequency device (combiner) has become an essential important component, the traditional metal coaxial cavity filter is widely used, but the intermodulation loss is always a difficult problem of the combiner, the combiner is widely used in the modern communication field, which allows the useful signal to pass on the signal link to the maximum extent, and restrains the useless signal to the maximum extent, and simultaneously, the combiner can also perform the combining and splitting of the signals of different frequency bands, along with the rapid advance of the 5G technology, in order to obtain larger channel capacity and higher transmission rate, the mobile communication system is developing towards higher frequency, in order to achieve coexistence with the existing system, the combiner is required to meet the requirement of wider bandwidth, and thus, in the process of evolution of the mobile communication system, a high-performance combiner is naturally required.
Although the 5G combiner has the advantages of good passive intermodulation, large power capacity, small temperature drift and the like, the combiner is not widely applicable due to the problems of manufacturing cost, process implementation, technical difficulty and the like, in the prior art, a wireless mobile communication base station of the 5 th generation mobile communication industry is an important physical support of a modern communication system, in order to filter or delete a specific frequency signal in the communication process, each base station in a communication network is required to have strong signal processing capacity so as to ensure that the signal transmission does not have a distortion phenomenon, the combiner and a filter arranged in the combiner are used as key devices for processing signals in the base station, and the improvement of the performance determines the improvement of the communication quality and the development direction of the communication technology.
Based on this, it becomes a technical problem to be solved urgently to design a 5G low intermodulation broadband combiner with compact structure, small volume, easy installation and low intermodulation loss.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a low intermodulation wide band combiner of 5G to solve the problem mentioned in the above-mentioned background art.
For realizing the purpose of the above utility model, the technical scheme adopted is as follows:
A5G low intermodulation broadband combiner comprises a combiner body for carrying each part of the combiner, a signal filtering cavity for signal transmission is arranged in the combiner main body, a first signal transmission port, a second signal transmission port and a third signal transmission port are sequentially arranged at one end of the combiner main body, a common signal transmission port is arranged at the other end of the combiner main body, a coupling window extending in parallel is integrally connected with the combiner main body in the signal filtering cavity, the coupling window divides the combiner main body into a low-pass filter, a first metal cavity filter and a second metal cavity filter in sequence, a common shaft is arranged in the signal filtering cavity and at one side close to the common signal transmission port, for connecting the low pass filter, the first metal cavity filter and the second metal cavity filter.
The utility model discloses further set up to: the first metal cavity filter and the second metal cavity filter respectively comprise a plurality of resonance columns integrally connected with the combiner main body, the resonance columns in the first metal cavity filter are arranged along the coupling window in an L shape, and the resonance columns in the second metal cavity filter are arranged along the coupling window in a bow shape.
The utility model discloses further set up to: the low pass filter comprises a plurality of chip wire inductors fixedly connected with the combiner main body through screws, and the chip wire inductors are linearly arranged and coupled.
The utility model discloses further set up to: the common shaft is electrically connected with the chip line inductor, the resonance column in the first metal cavity filter and the resonance column in the second metal cavity filter respectively.
The utility model discloses further set up to: the signal input and output frequency band of the first signal transmission port is 600MHz-960MHz, the signal input and output frequency band of the second signal transmission port is 1710 MHz-2700 MHz, and the signal input and output frequency band of the third signal transmission port is 3300 MHz-3800 MHz.
The utility model discloses further set up to: and a cover plate for sealing is detachably connected to the combiner main body and positioned above the signal filtering cavity through a screw.
The utility model discloses further set up to: the combiner comprises a combiner body and is characterized in that two ends of the combiner body are fixedly connected with auxiliary ear plates for fixing and mounting through screws, and the auxiliary ear plates are located on one sides of the first signal transmission port, the second signal transmission port, the third signal transmission port and the public signal transmission port.
The utility model discloses further set up to: auxiliary square holes and auxiliary strip-shaped holes convenient for wiring and mounting are symmetrically formed in the auxiliary lug plates.
The utility model discloses further set up to: the first signal transmission port, the second signal transmission port, the third signal transmission port and the public signal transmission port are detachably connected with the combiner main body through fixing seats arranged at two ends of the combiner main body, and the fixing seats are fixedly connected with the combiner main body through screws.
The utility model discloses further set up to: and a character indication mark is embedded and carved on one side of the cover plate, which is deviated from the combiner main body.
In conclusion, compared with the prior art, the utility model discloses a low intermodulation wide band combiner of 5G, the signal filtering chamber that is used for signal transmission is offered to the inside of combiner main part, the one end of combiner main part is equipped with first signal transmission port in proper order, second signal transmission port and third signal transmission port, the other end of combiner main part is equipped with public signal transmission port, be connected with the coupling window that extends side by side with combiner main part an organic whole in the signal filtering intracavity, the low pass filter is separated out with the combiner main part to the coupling window, first metal cavity filter and second metal cavity filter, one side that is close to public signal transmission port in the signal filtering intracavity is equipped with the public axle, be used for connecting low pass filter, first metal cavity filter and second metal cavity filter. Through this setting promptly for 5G low intermodulation wide band combiner compact structure, small, easily installation and low intermodulation loss have improved the product nature price ratio, have improved market competition.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic perspective view of a 5G low intermodulation broadband combiner provided in this embodiment;
fig. 2 is a schematic diagram of a front view structure of a 5G low intermodulation broadband combiner provided in this embodiment;
fig. 3 is a schematic diagram of an internal structure of a 5G low intermodulation broadband combiner provided in this embodiment.
Reference numerals: 1. a combiner main body; 11. a first signal transmission port; 12. a second signal transmission port; 13. a third signal transmission port; 14. a common signal transmission port; 15. an auxiliary ear plate; 16. auxiliary square holes; 17. auxiliary strip-shaped holes; 2. a signal filtering cavity; 21. a low-pass filter; 22. a first metal cavity filter; 23. a second metal cavity filter; 3. a coupling window; 4. a common shaft; 5. a resonant column; 6. a chip line inductor; 7. a cover plate; 8. a fixed seat.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be communicated with each other inside the two elements, or may be wirelessly connected or wired connected. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described above can be combined with each other as long as they do not conflict with each other.
A5G low intermodulation wide-frequency combiner is disclosed, as shown in fig. 1-fig. 3, comprising a combiner main body 1 for carrying each component of the combiner, a signal filtering cavity 2 for signal transmission is arranged inside the combiner main body 1, one end of the combiner main body 1 is sequentially provided with a first signal transmission port 11, a second signal transmission port 12 and a third signal transmission port 13, the other end of the combiner main body 1 is provided with a common signal transmission port 14, the signal filtering cavity 2 is connected with a coupling window 3 extending in parallel with the combiner main body 1, the coupling window 3 divides the combiner main body 1 into a low-pass filter 21, a first metal cavity filter 22 and a second metal cavity filter 23 in sequence, a common shaft 4 is provided within the signal filtering chamber 2 on the side adjacent the common signal transmission port 14, for connecting the low pass filter 21, the first metal cavity filter 22 and the second metal cavity filter 23.
In the specific implementation process, first metal cavity filter 22 and second metal cavity filter 23 all include a plurality of and combiner main part 1 an organic whole be connected and be used for signal transmission's resonance post 5, resonance post 5 in the first metal cavity filter 22 is L shape along coupling window 3 and arranges, resonance post 5 in the second metal cavity filter 23 is the bow font along coupling window 3 and arranges, with this design, when guaranteeing to reduce signal transmission loss and guarantee signal transmission quality, reduce the whole volume of combiner, keep combiner compact structure, reduce manufacturing cost, improve the price/performance ratio, improve the practicality.
Further, the low pass filter 21 includes a plurality of chip line inductors 6 fixedly connected to the combiner body 1 by screws, and the plurality of chip line inductors 6 are linearly arranged and coupled to each other, thereby implementing signal transmission.
The common shaft 4 is electrically connected to the chip line inductor 6, the resonant post 5 in the first metal cavity filter 22, and the resonant post 5 in the second metal cavity filter 23, respectively, so as to facilitate signal output of the common signal transmission port 14.
On the basis of the coupling window 3, the resonant columns 5 arranged in an L shape and a bow shape and the sheet-shaped line inductors 6 arranged in a linear shape are combined, so that the 5G low-intermodulation broadband combiner forms a hybrid microstrip circuit structure combining a lumped parameter circuit and a distributed parameter circuit, intermodulation loss is reduced, and cost performance is improved.
It should be noted that the signal input/output frequency band of the first signal transmission port 11 is 600MHz-960MHz, the signal input/output frequency band of the second signal transmission port 12 is 1710 MHz-2700 MHz, and the signal input/output frequency band of the third signal transmission port 13 is 3300 MHz-3800 MHz, so as to achieve the purpose of multi-band signal transmission.
In the specific implementation process, a cover plate 7 for sealing is detachably connected to the combiner main body 1 and above the signal filtering cavity 2 through screws.
Further, two ends of the combiner main body 1 are fixedly connected with auxiliary ear plates 15 for fixing and mounting through screws, and the auxiliary ear plates 15 are located at one sides of the first signal transmission port 11, the second signal transmission port 12, the third signal transmission port 13 and the common signal transmission port 14.
Wherein, the auxiliary lug plate 15 is symmetrically provided with an auxiliary square hole 16 and an auxiliary strip-shaped hole 17 which are convenient for wiring and installation.
In this embodiment, the first signal transmission port 11, the second signal transmission port 12, the third signal transmission port 13 and the common signal transmission port 14 are detachably connected to the combiner main body 1 through the fixing bases 8 disposed at the two ends of the combiner main body 1, and the fixing bases 8 are fixedly connected to the combiner main body 1 through screws, so as to improve the structural flexibility and the cost performance.
Wherein, a character indication mark is embedded on one side of the cover plate 7 departing from the combiner main body 1.
In this embodiment, the working principle of the combiner is as follows: a low pass filter 21 with frequency covering 600MHz-960MHz is formed between the first signal transmission port 11 and the common signal transmission port 14 through a mixed circuit of the signal filtering cavity 2 and the chip wire inductor 6, a first metal cavity filter 22 with frequency covering 1710 MHz-2700 MHz is formed between the second signal transmission port 12 and the common signal transmission port 14 through the signal filtering cavity 2, the coupling window 3 and the resonance column 5, a second metal cavity filter 23 with frequency covering 3300 MHz-3800 MHz is formed between the third signal transmission port 13 and the common signal transmission port 14 through the signal filtering cavity 2, the coupling window 3 and the resonance column 5, a radio frequency signal with frequency falling in the 600MHz-960MHz frequency band entering from the first signal transmission port 11 can only be output from the common signal transmission port 14 but can not reach the second signal transmission port 12 and the third signal transmission port 13, the radio frequency signal of the frequency band falling within the range of 1710MHz to 2700MHz entered from the second signal transmission port 12 can be outputted only from the common signal transmission port 14 and cannot reach the first signal transmission port 11 and the third signal transmission port 13, the radio frequency signal of the frequency band falling within the range of 3300MHz to 3800MHz entered from the third signal transmission port 13 can be outputted only from the common signal transmission port 14 and cannot reach the first signal transmission port 11 and the second signal transmission port 12, and vice versa, the broadband radio frequency signal entered from the common signal transmission port 14 is divided into three frequency bands, the radio frequency signal of the frequency band falling within the range of 600MHz to 960MHz can be outputted only from the first signal transmission port 11, the radio frequency signal of the frequency band falling within the range of 1710MHz to 2700MHz can be outputted only from the second signal transmission port 12, the radio frequency signal of the frequency band falling within the range of 3300MHz to 3800MHz can be outputted only from the third signal transmission port 13, that is, the first signal transmission port 11, the second signal transmission port 12 and the third signal transmission port 13 are isolated from each other, and in order to correct the deviation of the electrical index caused by the error between the strip-shaped piece and the circuit component, the isolation can be realized by using a dielectric open inductor on the strip-shaped transmission line or at the component connection part, or by gradually thickening or thinning, thereby playing a role of fine adjustment.
To sum up, the utility model discloses following beneficial effect has: the utility model discloses a low intermodulation wide band combiner of 5G, combiner main part 1's inside is offered and is used for signal transmission's signal filtering chamber 2, combiner main part 1's one end is equipped with first signal transmission port 11 in proper order, second signal transmission port 12 and third signal transmission port 13, combiner main part 1's the other end is equipped with public signal transmission port 14, be connected with the coupling window 3 that extends side by side with combiner main part 1 an organic whole in signal filtering chamber 2, low pass filter 21 is separated out in proper order with combiner main part 1 to coupling window 3, first metal cavity filter 22 and second metal cavity filter 23, one side that is close to public signal transmission port 14 in signal filtering chamber 2 is equipped with public axle 4, a low pass filter 21 is used for connecting, first metal cavity filter 22 and second metal cavity filter 23. Through this setting promptly for 5G low intermodulation wide band combiner compact structure, small, easily installation and low intermodulation loss have improved the product nature price ratio, have improved market competition.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (10)
1. The utility model provides a 5G low intermodulation wide band combiner which characterized in that: the combiner comprises a combiner main body for bearing parts of the combiner, wherein a signal filtering cavity for signal transmission is formed in the combiner main body, a first signal transmission port, a second signal transmission port and a third signal transmission port are sequentially arranged at one end of the combiner main body, a public signal transmission port is formed in the other end of the combiner main body, a coupling window which extends in parallel is integrally connected with the combiner main body in the signal filtering cavity, the combiner main body is sequentially divided into a low-pass filter, a first metal cavity filter and a second metal cavity filter by the coupling window, a common shaft is arranged at one side, close to the public signal transmission port, in the signal filtering cavity and used for connecting the low-pass filter, the first metal cavity filter and the second metal cavity filter.
2. The 5G low intermodulation broadband combiner of claim 1 wherein the first metal cavity filter and the second metal cavity filter each include a plurality of resonating posts integrally connected to the combiner body, the resonating posts in the first metal cavity filter being arranged in an L-shape along the coupling window, and the resonating posts in the second metal cavity filter being arranged in a bow-shape along the coupling window.
3. The 5G low intermodulation broadband combiner of claim 2, wherein the low pass filter comprises a plurality of chip line inductors fixedly connected with the combiner body by screws, and the chip line inductors are arranged in a linear and coupled manner.
4. The 5G low intermodulation broadband combiner of claim 3 wherein the common shaft is electrically connected to the chip line inductor, the resonating posts in the first metal cavity filter, and the resonating posts in the second metal cavity filter, respectively.
5. The 5G low intermodulation broadband combiner of claim 1, wherein the signal input/output frequency band of the first signal transmission port is 600MHz-960MHz, the signal input/output frequency band of the second signal transmission port is 1710 MHz-2700 MHz, and the signal input/output frequency band of the third signal transmission port is 3300 MHz-3800 MHz.
6. The 5G low intermodulation broadband combiner of claim 1, wherein a cover plate for sealing is detachably connected to the combiner body above the signal filtering cavity by screws.
7. The 5G low intermodulation broadband combiner of claim 1, wherein auxiliary ear plates for fixing and mounting are fixedly connected to both ends of the combiner body by screws, and the auxiliary ear plates are located at one side of the first signal transmission port, the second signal transmission port, the third signal transmission port and the common signal transmission port.
8. The 5G low intermodulation broadband combiner of claim 7, wherein the auxiliary ear plate is symmetrically provided with auxiliary square holes and auxiliary strip-shaped holes for facilitating wiring and installation.
9. The 5G low intermodulation broadband combiner of claim 1, wherein the first signal transmission port, the second signal transmission port, the third signal transmission port and the common signal transmission port are detachably connected to the combiner body through fixing seats provided at two ends of the combiner body, and the fixing seats are fixedly connected to the combiner body through screws.
10. The 5G low intermodulation broadband combiner of claim 6, wherein a side of the cover plate facing away from the combiner body is embedded with a character indication mark.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120824913.0U CN215119197U (en) | 2021-04-21 | 2021-04-21 | 5G low intermodulation broadband combiner |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120824913.0U CN215119197U (en) | 2021-04-21 | 2021-04-21 | 5G low intermodulation broadband combiner |
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| CN215119197U true CN215119197U (en) | 2021-12-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115498459A (en) * | 2022-10-10 | 2022-12-20 | 人天通信集团有限公司 | Multi-path same-frequency combiner |
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2021
- 2021-04-21 CN CN202120824913.0U patent/CN215119197U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115498459A (en) * | 2022-10-10 | 2022-12-20 | 人天通信集团有限公司 | Multi-path same-frequency combiner |
| CN115498459B (en) * | 2022-10-10 | 2023-11-21 | 人天通信集团有限公司 | Multipath same-frequency combiner |
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