CN210778920U - Four-in four-out bridge - Google Patents
Four-in four-out bridge Download PDFInfo
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- CN210778920U CN210778920U CN201921719452.XU CN201921719452U CN210778920U CN 210778920 U CN210778920 U CN 210778920U CN 201921719452 U CN201921719452 U CN 201921719452U CN 210778920 U CN210778920 U CN 210778920U
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Abstract
The embodiment of the utility model discloses four advance four electric bridges, include: the two-in two-out bridges in the same cavity are opposite in pairs, and four outer ports of the two-in two-out bridges in the same cavity are coupled with corresponding radio frequency connectors; one group of opposite inner ports in the same cavity is connected through a first port matching transmission part, one group of opposite inner ports in the same cavity is connected with a second port matching transmission part, and the second port matching transmission part is positioned between two-in two-out bridges in the corresponding cavity; the matching conductor penetrates through the baffle plate, one end of the matching conductor is connected with the second port matching transmission part in one cavity, and the other end of the matching conductor is connected with the other one of the inner ports in the other group of the cavities opposite to each other.
Description
Technical Field
The utility model relates to an electric bridge field especially relates to a four-in four-out electric bridge.
Background
With the rapid development of mobile communication, frequency spectrum resources become more precious, and most frequency bands are developed and utilized by people, wherein the appearance of some signals in the same frequency band is inevitable. Then, a 3dB bridge is needed for combining and splitting the same frequency signal in the communication engineering. The 3dB bridge is one of the common devices in a mobile communication distribution system, and can combine multiple signals and equally distribute multiple signals, so that the 3dB bridge is widely applied to a communication base station, a repeater and an indoor distribution system. The 3dB two-in two-out bridge can only perform two-way combining and splitting at most, and in some complex application scenarios, the two-in two-out bridge cannot meet the requirements in order to realize signal input and output of more ports. Therefore, the requirement of a complex scene on a four-input four-output bridge is higher and higher, and the technical requirement is higher and higher.
The traditional design scheme of the four-in four-out bridge is that four two-in two-out bridges are connected by radio frequency cables and then assembled by a case, and the method has the following defects:
1. the volume structure is large, so that the material cost is increased;
2. the matching degree of the radio frequency cable and the two-in two-out electric bridge is poor, so that the standing wave difference insertion loss is increased, the radio frequency cable needs to be repeatedly debugged after being assembled, the one-time qualified rate of production is low, and the labor cost is increased;
3. in the using process, the looseness of the radio frequency cable connector or the fracture of the radio frequency cable can be avoided, so that the stability of the performance index of a product can be influenced.
SUMMERY OF THE UTILITY MODEL
To the technical problem mentioned above, the embodiment of the utility model provides a four-in four-out electric bridge.
The embodiment of the utility model provides a four-in four-out electric bridge, four-in four-out electric bridge includes:
the shell comprises a shell and a baffle arranged in the shell, the shell is provided with an accommodating cavity, and the baffle divides the accommodating cavity into a first cavity and a second cavity;
eight radio frequency connectors, wherein four radio frequency connectors are arranged at one end of the shell, the other four radio frequency connectors are arranged at the other end of the shell, and each radio frequency connector is at least partially exposed out of the shell;
four two-in two-out bridges;
the two first ports are matched with the transmission part;
the two second ports are matched with the transmission part; and
the resistance value of the two matching conductors is 50 ohms;
the two-in two-out bridges are arranged on one side of the baffle plate in parallel and are accommodated in the first cavity; the other two-in two-out bridges are arranged on the other side of the baffle plate side by side and are accommodated in the second cavity;
the inner ports of the two-in two-out bridges in the same cavity are opposite in pairs, and the four outer ports of the two-in two-out bridges in the same cavity are coupled with corresponding radio frequency connectors;
one group of opposite inner ports in the same cavity is connected through a first port matching transmission part, one group of opposite inner ports in the same cavity is connected with a second port matching transmission part, and the second port matching transmission part is positioned between two-in two-out bridges in the corresponding cavity;
the matching conductor penetrates through the baffle plate, one end of the matching conductor is connected with the second port matching transmission part in one cavity, and the other end of the matching conductor is connected with the other one of the other group of opposite inner ports in the other cavity.
Optionally, the first port matching transmission part and the two-in two-out bridges in the corresponding cavity are integrally formed; and/or
The second port is matched with the transmission part and is integrally formed with the two-in two-out bridges in the corresponding cavity.
Optionally, the four-in four-out bridge further includes a plurality of supporting members, and the two-in two-out bridge, the first port matching transmission portion, and the second port matching transmission portion in each cavity are fixed to corresponding sides of the baffle plate through the supporting members.
Optionally, the supporting member is connected in a corresponding two-in two-out bridge, or a corresponding first port matching transmission portion, or a corresponding second port matching transmission portion in a penetrating manner.
Optionally, the support is made of PTFE.
Optionally, the support is a cylindrical structure.
Optionally, the two second-in second-out bridges in the first cavity are aligned with the two second-in second-out bridges in the second cavity.
Optionally, the two-in two-out bridge includes a transmission conductor, and an inner port and an outer port disposed at two ends of the transmission conductor;
the transmission conductors of the two in and two out bridges in the same cavity are approximately parallel to each other, and the second port is matched with the transmission part and is positioned between the two transmission conductors in the corresponding cavity.
Optionally, two sides of the second port matching transmission part are respectively provided with a partition plate to partition the second port matching transmission part from the corresponding transmission conductor, and partition the transmission conductors of the two in and two out bridges in the same cavity.
In the technical scheme provided by the embodiment of the utility model, four two-in two-out bridges are integrated in the same shell to realize four-in four-out bridges, so that compared with the prior art, the laminated structure provided by the embodiment of the utility model not only can reduce the volume and is convenient for processing and assembling, but also does not need to be debugged after being assembled, thereby reducing the material cost and the production cost; and simultaneously, the embodiment of the utility model provides an in, the plate washer matches through first port matching transmission portion with two of one side advance the electric bridge, and two sets of two of different sides of plate washer advance two of electric bridge and pass through second port transmission portion and matching conductor matching, match transmission portion through first port, second port and match the current radio frequency cable of transmission portion and matching conductor replacement, have improved product property ability and productivity greatly.
Drawings
Fig. 1 is a schematic diagram of an embodiment of a four-in four-out bridge according to the embodiment of the present invention;
fig. 2 is a schematic diagram of another embodiment of a four-in four-out bridge according to an embodiment of the present invention;
fig. 3 is a schematic diagram of an embodiment of a four-in four-out bridge according to the embodiment of the present invention;
fig. 4 is a partially enlarged schematic view of fig. 3.
Reference numerals:
1: a housing; 11: a housing; 111: a through hole; 12: a baffle plate; 2: a radio frequency connector; 3: a two-in two-out bridge; 31: a transmission conductor; 32: an inner port; 33: an outer port; 4: a first port matching transmission section; 5: the second port is matched with the transmission part; 6: a matching conductor; 7: a support member; 8: a separator.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that the following embodiments may be combined without conflict.
Referring to fig. 1 to 4, an embodiment of the present invention provides a four-in four-out bridge, which may include a housing 1, eight rf connectors 2, four two-in two-out bridges 3, two first port matching transmission portions 4, two second port matching transmission portions 5, and two matching conductors 6. The housing 1 includes a housing 11 and a baffle 12 disposed in the housing 11, the housing 11 of the embodiment has an accommodating cavity, and the baffle 12 separates the accommodating cavity into a first cavity and a second cavity. The shell 1 can be made of aluminum alloy which is not easy to rust, so that the quality of the four-in four-out bridge is ensured; in addition, the price of the aluminum alloy is moderate, so that the quality of the four-in four-out bridge is ensured, and the cost of the four-in four-out bridge is moderate. It should be understood that the housing 1 may be made of other metal materials, and is not limited to aluminum alloy.
Four of the radio frequency connectors 2 are arranged at one end of the casing 11, and the other four radio frequency connectors 2 are arranged at the other end of the casing 11. Moreover, at least a portion of each rf contact 2 is exposed outside the housing 1, the housing 11 of the present embodiment is provided with eight through holes 111, wherein four through holes 111 are provided at one end of the housing 11, another four through holes 111 are provided at the other end of the housing 11, and the eight rf contacts 2 are correspondingly matched with the eight through holes 111.
Wherein, the two-in two-out bridges 3 are arranged at one side of the baffle plate 12 side by side and are accommodated in the first cavity; the other two in and two out bridges 3 are arranged on the other side of the baffle plate 12 side by side and are accommodated in the second cavity. Further, the two inner ports 32 of the two in-and-out bridges 3 in the same cavity are opposite to each other. Each two-in two-out bridge 3 includes a transmission body, two inner ports 32 and two outer ports 33, wherein one of the inner ports 32 and one of the outer ports 33 are disposed at one end of the transmission body, the other of the inner ports 32 and the other of the outer ports 33 are disposed at the other end of the transmission body, the two inner ports 32 have the same orientation, the two outer ports 33 have the same orientation, and the inner ports 32 and the outer ports 33 have different orientations. I.e. the process is repeated. In the same cavity, there are two sets of opposite inner ports 32, each set of opposite inner ports 32 includes two inner ports 32, one of the inner ports 32 is the inner port 32 of one of the two-in two-out bridges 3 in the cavity, and the other inner port 32 is the inner port 32 of the other one of the two-in two-out bridges 3 in the cavity. Within the same cavity, there are also two sets of outer ports 33, with two inner ports 32 of each set of inner ports 32 facing in the same direction, specifically, two outer ports 33 of each set of outer ports 33 are both disposed facing the housing 11 of the corresponding side.
Furthermore, four external ports 33 of the two in-and-out bridges 3 in the same cavity are coupled with the corresponding rf connectors 2, and specifically, the external ports 33 are connected with the corresponding rf connectors 2 through the ports on the corresponding sides in a welding manner. One of the sets of opposing internal ports 32 within the same cavity is connected by a first port matched transfer section 4 and one of the internal ports 32 of the other set of opposing internal ports 32 within the same cavity is connected with a second port matched transfer section 5. In this embodiment, the second port matching transmission part 5 is located between the two in-and-out bridges 3 in the corresponding cavity.
In addition, the resistance value of the matching conductor 6 is 50 ohms, the matching conductor 6 of this embodiment penetrates through the baffle 12, and one end of the matching conductor 6 is connected to the second port matching transmission part 5 in one of the cavities, and the other end of the matching conductor is connected to the internal port 32 (i.e. the other internal port 32 in the another set of the opposite internal ports 32) of the other cavity, which is not connected to the second port matching transmission part 5.
The four-in four-out bridge provided by the embodiment of the utility model integrates the four two-in two-out bridges 3 in the same shell 1, so as to realize the four-in four-out bridge, and the laminated structure not only can reduce the volume and is convenient for processing and assembling, but also does not need to be debugged after being assembled, thereby reducing the material cost and the production cost; and simultaneously, the embodiment of the utility model provides an in, two of plate washer 12 with one side advance two and go out bridge 3 and match transmission portion 4 through first port, two sets of two of plate washer 12 different sides advance two and go out bridge 3 and match through second port transmission portion and matching conductor 6, match transmission portion 4, second port through first port and match transmission portion 5 and matching conductor 6 and replace current radio frequency cable, improved product property ability and productivity greatly.
In this embodiment, the housing 11 includes a main body, an upper cover covering the top of the main body, a lower cover covering the bottom of the main body, and a receiving cavity disposed in the main body. The baffle 12 is hermetically connected to the periphery of the inner sidewall of the main body, so that the first cavity is completely separated from the second cavity.
The baffle 12 of this embodiment is an insulating structure to separate the two-in two-out bridge 3 in the first cavity from the two-in two-out bridge 3 in the second cavity, which is beneficial to signal transmission of the two-in two-out bridges 3 in different cavities.
The matching conductor 6 may have a cylindrical shape or other shapes.
Optionally, the first port matching transmission part 4 and the two-in two-out bridges 3 in the corresponding cavity are integrally formed. In this embodiment, the width of the first port matching transmission unit 4 is calculated by HFSS (High Frequency Structure Simulator) software, and the transmission conductor 31 of the two-in two-out bridge 3 and the first port matching transmission unit 4 are processed into a single body by wire cutting.
Optionally, the second port matching transmission part 5 is integrally formed with the two-in two-out bridges 3 in the corresponding cavity. In this embodiment, the width of the second port matching transmission unit 5 is calculated by HFSS (High Frequency Structure Simulator) software, and the transmission conductor 31 of the two-in two-out bridge 3 and the second port matching transmission unit 5 are processed into a single body by wire cutting.
Referring to fig. 3, the four-in four-out bridge of the present embodiment further includes a plurality of supporting members 7, the two-in two-out bridge 3, the first port matching transmission portion 4, and the second port matching transmission portion 5 in each cavity are all fixed on the corresponding sides of the baffle 12 by the supporting members 7, and the fixing of the supporting members 7 can enhance the reliability of the four-in four-out bridge in the using process.
The matching mode between the support member 7 and the two-in two-out bridge 3, the first port matching transmission portion 4, and the second port matching transmission portion 5 can be designed as required, in this embodiment, the support member 7 is connected to the corresponding two-in two-out bridge 3, or the corresponding first port matching transmission portion 4, or the corresponding second port matching transmission portion 5 in a penetrating manner. Specifically, the two-in two-out bridge 3, the first port matching transmission part 4, and the second port matching transmission part 5 are respectively provided with at least one fixing hole, each fixing hole is matched with one supporting member 7, and the two-in two-out bridge 3, the first port matching transmission part 4, and the second port matching transmission part 5 are fixed on the baffle plate 12 through the supporting members 7.
The supporting member 7 may be made of PTFE (polytetrafluoroethylene), or may be made of other insulating materials.
The shape of the supporting part 7 can also be designed according to the needs, optionally, the supporting part 7 is a cylinder structure; of course, the support 7 can also be designed in other shapes.
In this embodiment, the two in-and-out bridges 3 in the first cavity are aligned with the two in-and-out bridges 3 in the second cavity. As shown in fig. 2, which is a top view of a four-in four-out bridge, four rf connectors 2 are respectively disposed on the left side (the "lower" in fig. 2) and the right side (the "upper" in fig. 2) of the housing 1, and in this embodiment, the two-in two-out bridges 3 in the first cavity are aligned with the two-in two-out bridges 3 in the second cavity in the left-right direction of the four-in four-out bridge, and in fact, in the front-back direction (the "left-right direction" in fig. 2) of the four-in four-out bridge, the two-in two-out bridges 3 in the first cavity are staggered with the two-in two-out bridges 3 in the second cavity, so as to facilitate the coupling of the two-in two-out bridges 3 with the rf connectors 2.
Further optionally, the transmission conductors 31 of the two in and two out bridges 3 in the same cavity are substantially parallel, and the second port matching transmission part 5 is located between the two transmission conductors 31 in the corresponding cavity. The four two-in two-out bridges 3 are divided into two layers which are arranged in the accommodating cavity in a parallel overlapping mode, the arrangement volume of the four two-in two-out bridges 3 is small, and the four-in four-out bridges are miniaturized.
Referring to fig. 1 again, the two sides of the second port matching transmission part 5 are respectively provided with a partition plate 8 to separate the second port matching transmission part 5 from the corresponding transmission conductor 31, and separate the transmission conductors 31 of the two in-and-out bridges 3 in the same cavity. The partition plate 8 of this embodiment is an insulating structure to separate the two in-and-out bridges 3 in the same cavity, which is beneficial to signal transmission of the two in-and-out bridges 3 in the same cavity.
Optionally, the baffle plate 8 is integrally formed with the baffle plate 12; of course, the partition 8 and the baffle 12 may be independent structures, and the partition 8 may be connected to the baffle 12 by clipping, bonding or other methods.
In the embodiment, the four two-in two-out bridges 3 are designed into a laminated structure, so that the size can be reduced, the processing and the assembly are convenient, the debugging is not needed after the assembly, and the material cost and the production cost are reduced.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (9)
1. A four-in four-out bridge, the four-in four-out bridge comprising:
the shell (1), the shell (1) comprises a shell (11) and a baffle plate (12) arranged in the shell (11), the shell (11) is provided with an accommodating cavity, and the baffle plate (12) divides the accommodating cavity into a first cavity and a second cavity;
eight radio frequency connectors (2), wherein four radio frequency connectors (2) are arranged at one end of the shell (11), the other four radio frequency connectors (2) are arranged at the other end of the shell (11), and each radio frequency connector (2) is at least partially exposed out of the shell (1);
four two-in two-out bridges (3);
two first ports are matched with the transmission part (4);
two second ports match the transmission part (5); and
the two matching conductors (6), the resistance value of the matching conductors (6) is 50 ohms;
the two-in two-out bridges (3) are arranged on one side of the baffle plate (12) side by side and are accommodated in the first cavity; the other two-in two-out bridges (3) are arranged on the other side of the baffle plate (12) side by side and are accommodated in the second cavity;
the inner ports (32) of the two-in two-out bridges (3) in the same cavity are opposite to each other in pairs, and the four outer ports (33) of the two-in two-out bridges (3) in the same cavity are coupled with the corresponding radio frequency connectors (2);
one group of opposite inner ports (32) in the same cavity is connected through a first port matching transmission part (4), one group of opposite inner ports (32) in the same cavity is connected with a second port matching transmission part (5), and the second port matching transmission part (5) is positioned between two in and two out bridges (3) in the corresponding cavity;
the matching conductor (6) penetrates through the baffle plate (12), one end of the matching conductor (6) is connected with the second port matching transmission part (5) in one cavity, and the other end of the matching conductor is connected with the other one of the other groups of opposite inner ports (32) in the other cavity.
2. The four-in four-out bridge according to claim 1, wherein the first port matching transmission part (4) is integrally formed with two-in two-out bridges (3) in the corresponding cavity; and/or
The second port matching transmission part (5) and the two-in two-out electric bridges (3) in the corresponding cavity are integrally formed.
3. The four-in four-out bridge according to claim 1, further comprising a plurality of supporting members (7), wherein the two-in two-out bridge (3), the first port matching transmission portion (4), and the second port matching transmission portion (5) in each cavity are fixed on corresponding sides of the baffle plate (12) through the supporting members (7).
4. The four-in four-out bridge according to claim 3, wherein the support member (7) is inserted and connected in the corresponding two-in two-out bridge (3), or the corresponding first port matching transmission portion (4), or the corresponding second port matching transmission portion (5).
5. Four-in four-out bridge according to claim 3 or 4, wherein the support (7) is of PTFE material.
6. Four-in four-out bridge according to claim 3 or 4, wherein the support (7) is of cylindrical configuration.
7. A four-in four-out bridge according to claim 1, wherein the two-in two-out bridges (3) in the first cavity are aligned with the two-in two-out bridges (3) in the second cavity.
8. The four-in four-out bridge according to claim 1, characterized in that the two-in two-out bridge (3) comprises a transmission conductor (31) and an inner port (32) and an outer port (33) provided at both ends of the transmission conductor (31);
the transmission conductors (31) of the two in-and-out bridges (3) in the same cavity are approximately parallel, and the second port matching transmission part (5) is positioned between the two transmission conductors (31) in the corresponding cavity.
9. The four-in four-out bridge according to claim 8, wherein the second port matching transmission part (5) is provided with a partition (8) on each side to separate the second port matching transmission part (5) from the corresponding transmission conductor (31) and separate the transmission conductors (31) of the two-in two-out bridges (3) in the same cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921719452.XU CN210778920U (en) | 2019-10-12 | 2019-10-12 | Four-in four-out bridge |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921719452.XU CN210778920U (en) | 2019-10-12 | 2019-10-12 | Four-in four-out bridge |
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| Publication Number | Publication Date |
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| CN210778920U true CN210778920U (en) | 2020-06-16 |
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| CN201921719452.XU Active CN210778920U (en) | 2019-10-12 | 2019-10-12 | Four-in four-out bridge |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740199A (en) * | 2020-07-14 | 2020-10-02 | 江苏贝孚德通讯科技股份有限公司 | Novel electric bridge combiner structure |
| CN114335956A (en) * | 2021-12-30 | 2022-04-12 | 京信射频技术(广州)有限公司 | Four-in four-out bridge structure and multi-system combiner platform |
-
2019
- 2019-10-12 CN CN201921719452.XU patent/CN210778920U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111740199A (en) * | 2020-07-14 | 2020-10-02 | 江苏贝孚德通讯科技股份有限公司 | Novel electric bridge combiner structure |
| CN114335956A (en) * | 2021-12-30 | 2022-04-12 | 京信射频技术(广州)有限公司 | Four-in four-out bridge structure and multi-system combiner platform |
| CN114335956B (en) * | 2021-12-30 | 2023-09-01 | 京信射频技术(广州)有限公司 | Four-in four-out bridge structure and multi-system combining platform |
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Address after: Building 1, Xili Xinyuan Industrial Plant Area, No. 35 Wenyuan Street, Xili Community, Xishan District, Shenzhen City, Guangdong Province, 518000 (Building A, Juchuang Jingu Creative Park) 201 Patentee after: SHENZHEN NUOXINBO COMMUNICATION CO.,LTD. Country or region after: China Address before: 518000 4th floor, building 10, industrial village, Xili Xinguang Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN NUOXINBO COMMUNICATION CO.,LTD. Country or region before: China |