CN210489801U - Combiner - Google Patents
Combiner Download PDFInfo
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- CN210489801U CN210489801U CN201921671917.9U CN201921671917U CN210489801U CN 210489801 U CN210489801 U CN 210489801U CN 201921671917 U CN201921671917 U CN 201921671917U CN 210489801 U CN210489801 U CN 210489801U
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- coupling rod
- combiner
- cavity
- coupling
- overlapping point
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- 230000008878 coupling Effects 0.000 claims abstract description 95
- 238000010168 coupling process Methods 0.000 claims abstract description 95
- 238000005859 coupling reaction Methods 0.000 claims abstract description 95
- 238000002955 isolation Methods 0.000 claims description 9
- 239000004020 conductor Substances 0.000 claims description 3
- 229910000679 solder Inorganic materials 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 2
- 230000008054 signal transmission Effects 0.000 description 5
- 238000004891 communication Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Abstract
The utility model provides a combiner, combiner includes: the combiner comprises a cavity, an inner cover plate covering the cavity, a first coupling rod and a second coupling rod, wherein the first coupling rod and the second coupling rod are asymmetrically and crossly arranged in the cavity and are covered by the inner cover plate, a medium support is further arranged in the combiner, the medium support is perpendicular to the first coupling rod and the second coupling rod and is arranged in the cavity, two ends of the medium support are respectively in contact with the inner cover plate and the cavity, a medium screw is used for adjusting the distance between the first coupling rod and the second coupling rod, and the overlapping point is located at 1/3 of the first coupling rod in the length direction. The utility model discloses a bridge homonymy connects realizing the same income or with going out of signal, and medium adjusting screw makes the conventional electric index debugging of product simple, and producibility is high, and the fixed knot of global design constructs and makes the intermodulation index very stable.
Description
Technical Field
The utility model relates to the field of communications, particularly, relate to a combiner.
Background
The 3dB electric bridge is also called a same-frequency combiner, is a common passive device in a communication system, is widely applied to a radio frequency indoor coverage network, can continuously sample transmission power along a certain determined direction of a transmission line, can divide an input signal into two signals which are mutually equal in amplitude and have a phase difference of 90 degrees, is mainly used for multi-signal combining, and improves the utilization rate of output signals.
The existing same-frequency combiner cannot meet the communication requirement of a 5G system. Moreover, the structural arrangement of the coupling rod, especially the position of the coupling rod, affects the transmission of signals, so that the instability of signal transmission in the 5G standard is caused.
SUMMERY OF THE UTILITY MODEL
A primary object of the present invention is to provide a combiner for solving the problems of unstable signal transmission and low reliability in the prior art.
In order to achieve the above object, according to an aspect of the present invention, there is provided a combiner. The combiner includes: the combiner is also internally provided with a medium support, the medium support is perpendicular to the first coupling rod and the second coupling rod and is arranged in the cavity, two ends of the medium support are respectively contacted with the inner cover plate and the cavity and used for supporting the first coupling rod and the second coupling rod, the first coupling rod and the second coupling rod are provided with an overlapping point in the vertical projection direction, one of the first coupling rod and the second coupling rod is provided with a through hole at the overlapping point, the other one of the first coupling rod and the second coupling rod is provided with a threaded hole at the overlapping point, a medium screw is arranged at the overlapping point and penetrates through the through hole to enter the threaded hole, the medium screw is used for adjusting the distance between the first coupling rod and the second coupling rod, and the overlapping point is located at 1/3 of the first coupling rod in the length direction.
Optionally, the first coupling rod and the second coupling rod are spaced up and down and arranged in parallel in the cavity.
Optionally, the combiner includes two bosses disposed at short sides of the combiner, tips of the bosses point to a gap between the first coupling rod and the second coupling rod, and distances between the bosses and the first coupling rod and between the bosses and the second coupling rod are adjustable, so as to adjust an isolation.
Optionally, the first coupling rod and the second coupling rod both have two end points, each of which is fixed on the inner conductor of the connector by soldering, and the connectors are symmetrically distributed on opposite long sides of the combiner.
Optionally, the number of connectors is 4.
Optionally, the connector is provided with a thread structure, and the thread structure is connected with the cavity so that the connector is in close contact with the cavity.
Optionally, the combiner further includes a waterproof ring disposed between the cavity of the combiner and the inner cover plate, surrounding the opening of the cavity, and surrounding the first coupling rod and the second coupling rod.
Optionally, the combiner further includes: and the outer cover plate is covered on the inner cover plate.
Optionally, the first coupling rod is located above the second coupling rod, the first coupling rod has a through hole at the overlapping point, the second coupling rod is provided with a threaded hole at the overlapping point, the medium screw has a threaded structure matched with the threaded hole, and the medium screw is rotatably disposed in the through hole and the threaded hole for adjusting the distance between the first coupling rod and the second coupling rod.
Optionally, at least one dielectric support is disposed in the combiner, and the isolation is greater than 30 dB.
This embodiment sets up the medium support in the cavity, and is fixed through setting element and inner decking in the cavity, need not to set up the medium support in the coupling rod top, the signal transmission's that improves stability and reliability.
In addition to the above-described objects, features and advantages, the present invention has other objects, features and advantages. The present invention will be described in further detail with reference to the drawings.
Drawings
The accompanying drawings, which form a part of the specification, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without unduly limiting the scope of the invention. In the drawings:
fig. 1 shows a schematic diagram of a combiner of the present invention;
fig. 2 shows a cross-sectional view of the combiner of the present invention;
FIG. 3 shows a schematic view of a media screw of the present invention;
fig. 4 shows a schematic view of the cavity contact surface of the present invention;
fig. 5 shows a schematic diagram of a boss of the combiner of the present invention.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In order to make the technical solution of the present invention better understood, the technical solution of the embodiments of the present invention will be clearly and completely described below 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 a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances for describing embodiments of the invention herein.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The 3dB bridge of the embodiment has a wider frequency band, can cover signals between 690 and 4000MHz frequency bands, can support 2G, 3G, 4G and 5G systems, has good compatibility, and has the key point that three-order intermodulation is very ideal, the typical value is 163dBC @2 x 43dBm, the isolation is high, the typical value is isolated to 30dB in a full frequency band, and the power capacity is large and can reach 500W.
II, secondly: novel broadband 5G bridge characteristics:
1. wide pass band frequency (690-4000 MHz);
2. the insertion loss is small (less than or equal to 0.1 dB);
3. the power is large (more than or equal to 500W);
4. low intermodulation (163dBC @2 × 43dBm) is achieved;
5. high isolation (more than or equal to 30 dB);
6. is easy to produce.
As shown in fig. 1 and 2, the combiner includes a cavity 1, an inner cover plate 2, an outer cover plate 3, a connector 4, a waterproof ring 5, a first coupling rod 6, a second coupling rod 7, a debugging medium screw 8, and a medium bracket 9. The cavity 1 of the same-frequency combiner is covered and sealed by the inner cover plate 2, a cavity is formed inside the cavity, and the first coupling rod 6 and the second coupling rod 7 are arranged in the cavity, are vertically spaced and are arranged in parallel. The first coupling rod 6 and the second coupling rod 7 have four end points in total, and are respectively connected with 4 connectors. Each coupling rod is provided with two end points, each end point is fixed on an inner conductor of a connector through soldering tin, and the connectors are symmetrically distributed on opposite long side sides of the combiner. The first coupling rod 6 and the second coupling rod 7 are asymmetrically and crossly distributed in the cavity, and an overlapping point is spatially arranged between the first coupling rod 6 and the second coupling rod 7, wherein the overlapping point is an overlapping point in the vertical projection direction, and actually, the two coupling rods at the overlapping point are parallel to each other and are spaced.
At the overlapping point, the first coupling rod 6 has a through hole at the overlapping point, the second coupling rod 7 has a screw hole at the overlapping point, and a media screw 8 passes through the through hole and into the screw hole to connect the first coupling rod 6 and the second coupling rod 7. The distribution of the bridge coupling energy is adjusted by adjusting the spacing between the first coupling rod 6 and the second coupling rod 7 by the dielectric screw 8, which is fine tuned by the dielectric screw 8, as shown in fig. 3, to improve the bridge output port balance.
Further, all set up a plurality of medium support 9 on every coupling rod, both ends are basic cavity 1 and interior apron respectively about every medium support 9 to firmly support first coupling rod 6 and second coupling rod 7 and stabilize in the air cavity, non-deformable. This embodiment sets up the medium support in the cavity, and is fixed through setting element and inner decking in the cavity, need not to set up the medium support in the coupling rod top, the signal transmission's that improves stability and reliability.
The utility model discloses a bridge homonymy connects realizing the same income or with going out of signal, and medium adjusting screw makes the conventional electric index debugging of product simple, and producibility is high, and the fixed knot of global design constructs and makes the intermodulation index very stable, and disposable qualification rate is more than 99%.
Further, the connector of the technical scheme is connected with the cavity through a thread structure, through continuous screwing of threads and torque control, obvious extrusion traces are formed when the connector is in contact with the cavity, the contact is very tight, the realization of intermodulation stability is facilitated by 163dBC @2 x 43dBm, and fig. 4 shows that the contact positions of the cavity 1, the connector 2, the waterproof ring 3 and the connector and the cavity are 51.
Fig. 5 shows a boss on the cavity, and the distance between the boss and the coupling rod is adjusted to improve the isolation, so that the full-band isolation of the bridge is easily over 30dB, and the boss is located at a position 61 in fig. 5. The bosses point to gaps of the coupling rods and are symmetrically arranged on the left side and the right side of the same-frequency combiner so as to improve frequency band isolation.
The utility model discloses still be provided with the waterproof circle 5 around the cavity, interior apron 2 covers in waterproof circle top for it is sealed, improve waterproof grade, avoid steam and dust to get into the cavity, thereby improved the life of combiner.
Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A combiner, comprising: the combiner is also internally provided with a medium support, the medium support is perpendicular to the first coupling rod and the second coupling rod and is arranged in the cavity, two ends of the medium support are respectively contacted with the inner cover plate and the cavity and used for supporting the first coupling rod and the second coupling rod, the first coupling rod and the second coupling rod are provided with an overlapping point in the vertical projection direction, one of the first coupling rod and the second coupling rod is provided with a through hole at the overlapping point, the other one of the first coupling rod and the second coupling rod is provided with a threaded hole at the overlapping point, a medium screw is arranged at the overlapping point and penetrates through the through hole to enter the threaded hole, the medium screw is used for adjusting the distance between the first coupling rod and the second coupling rod, and the overlapping point is located at 1/3 of the first coupling rod in the length direction.
2. The combiner of claim 1, wherein the first coupling rod and the second coupling rod are spaced apart, parallel, up and down within the cavity.
3. The combiner of claim 1, wherein the combiner includes two bosses oppositely disposed at the short sides of the combiner, the bosses having tips pointing to the gap between the first coupling bar and the second coupling bar, the bosses being adjustable in distance from the first coupling bar and the second coupling bar for adjusting the isolation.
4. The combiner of claim 1, wherein the first coupling bar and the second coupling bar each have two end points, each end point being respectively secured to an inner conductor of a connector by solder, the connectors being symmetrically disposed on opposite long sides of the combiner.
5. The combiner of claim 4, wherein the number of connectors is 4.
6. The combiner of claim 4, wherein the connector is provided with a screw structure connected with a cavity such that the connector is in close contact with the cavity.
7. The combiner of claim 4, further comprising a waterproof ring disposed between the cavity of the combiner and the inner cover plate, surrounding the opening of the cavity, and surrounding the first coupling bar and the second coupling bar.
8. The combiner of claim 1, further comprising: and the outer cover plate is covered on the inner cover plate.
9. The combiner of claim 1, wherein the first coupling rod is located above the second coupling rod, the first coupling rod having a through hole at the overlapping point, the second coupling rod being provided with a threaded hole at the overlapping point, the dielectric screw having a threaded structure thereon matching the threaded hole, the dielectric screw being rotatably disposed within the through hole and the threaded hole for adjusting a spacing between the first coupling rod and the second coupling rod.
10. The combiner of claim 1, wherein at least one dielectric support is disposed within the combiner with an isolation greater than 30 dB.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921671917.9U CN210489801U (en) | 2019-10-08 | 2019-10-08 | Combiner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921671917.9U CN210489801U (en) | 2019-10-08 | 2019-10-08 | Combiner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210489801U true CN210489801U (en) | 2020-05-08 |
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ID=70509687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921671917.9U Active CN210489801U (en) | 2019-10-08 | 2019-10-08 | Combiner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210489801U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013568A (en) * | 2021-02-25 | 2021-06-22 | 浙江海通通讯电子股份有限公司 | 5G combiner |
-
2019
- 2019-10-08 CN CN201921671917.9U patent/CN210489801U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113013568A (en) * | 2021-02-25 | 2021-06-22 | 浙江海通通讯电子股份有限公司 | 5G combiner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Combiner Effective date of registration: 20230719 Granted publication date: 20200508 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: Hangzhou Ziguang Communication Technology Co.,Ltd. Registration number: Y2023330001519 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20200508 Pledgee: Hangzhou High-tech Financing Guarantee Co.,Ltd. Pledgor: Hangzhou Ziguang Communication Technology Co.,Ltd. Registration number: Y2023330001519 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |