CN210692730U - Polarization multiplex duplex subassembly integrates - Google Patents
Polarization multiplex duplex subassembly integrates Download PDFInfo
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- CN210692730U CN210692730U CN201922063347.1U CN201922063347U CN210692730U CN 210692730 U CN210692730 U CN 210692730U CN 201922063347 U CN201922063347 U CN 201922063347U CN 210692730 U CN210692730 U CN 210692730U
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Abstract
The utility model discloses a polarization multiplexing duplex subassembly integrates, including orthomode coupler, vertical polarization duplexer, horizontal polarization duplexer, H face waveguide elbow and E face waveguide elbow, the horizontal polarization port of orthomode coupler passes through E face waveguide elbow and is connected with the common port of horizontal polarization duplexer, the vertical polarization port of orthomode coupler sends out the common port through H face waveguide elbow and vertical polarization duplexer and is connected, and vertical polarization duplexer and horizontal polarization duplexer are on same plane. The advantages are that: the utility model discloses can save required material of production and human cost, be favorable to pointing production, improve production efficiency and product uniformity.
Description
Technical Field
The utility model relates to a polarization multiplex duplex subassembly integrates belongs to in microwave communication technical field.
Background
With the rapid development of mobile communication, the application of high-frequency dual-polarized antenna adopting a transceiving common scheme is more and more extensive, wherein an orthogonal Mode coupler OMT (ortho Mode transmitter) is a key component for realizing the transceiving common dual-polarized antenna, and the OMT is a separate or mixed element for two mutually orthogonal polarized waves, and is an effective method for realizing polarization multiplexing and increasing channel capacity
The waveguide duplexer is a passive device which isolates a transmitting signal from a receiving signal and ensures that the receiving and the transmitting can work simultaneously, is the key for realizing frequency division multiplexing of a wireless communication system, and along with the higher and higher requirements of the communication system on integration and miniaturization, the combined design and production of the waveguide duplexer and other passive devices become the research heat set of communication equipment suppliers.
The duplexer and the OMT are used as discrete devices, the technology is mature, the design and production difficulty is low, but when the duplexer and the OMT are used as the discrete devices, a series of defects are generated when the duplexer and the OMT are combined for use, and the defects are mainly expressed as follows: 1, low integration level, large system volume and high weight. 2: separate procurement results in increased system cost and poor compatibility of devices from different manufacturers. 3 when the two are connected, the matching problem exists, which causes poor return loss and large loss of the components, and further influences the matching of the communication system antenna and the ODU unit, so that the communication quality of the whole system is poor. Therefore, the integrated design and production of the duplexer and the orthogonal mode coupler are becoming the development trend of the microwave wireless communication system.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome a series of problems that traditional orthomode coupler and duplexer produced when connecting as discrete device, provide a polarization multiplexing duplex subassembly integrates, reduce communication system cost.
For solving the technical problem, the utility model provides an integrate polarization multiplexing duplex subassembly, a serial communication port, including orthomode coupler, vertical polarization duplexer, horizontal polarization duplexer, H face waveguide elbow and E face waveguide elbow, the horizontal polarization port of orthomode coupler passes through E face waveguide elbow and is connected with the common port of horizontal polarization duplexer, the vertical polarization port of orthomode coupler sends the common port through H face waveguide elbow and vertical polarization duplexer and is connected, and vertical polarization duplexer and horizontal polarization duplexer are on same plane.
Further, the orthogonal mode coupler adopts a narrow slot coupling mode to separate polarization signals.
Furthermore, the H-surface waveguide elbow and the E-surface waveguide elbow respectively adopt a step-shaped H-surface 90-degree waveguide elbow and a step-shaped E-surface 90-degree waveguide elbow.
Furthermore, all include four ways receiving and dispatching channel filter in vertical polarization duplexer, the horizontal polarization duplexer, receiving and dispatching channel filter adopts 7 chamber 1 zero point structures.
Furthermore, still include 4 orders evanescent mode wave guide filters among vertical polarization duplexer, the horizontal polarization duplexer, every the receiving and dispatching channel filter's receiving and dispatching port all connects 4 orders evanescent mode wave guide filters.
Furthermore, a rectangular step is arranged in a connecting channel between the 4-order evanescent mode waveguide filter and the receiving and transmitting port.
The waveguide fiber laser is characterized by further comprising a cavity and flange plates, wherein the vertical polarization duplexer and the horizontal polarization duplexer are arranged on two sides of the cavity, a flange plate cavity corresponding to the flange plate is arranged at the outer bottom end of the cavity, the E-surface 90-degree waveguide elbow is arranged in the flange plate cavity, and the H-surface 90-degree waveguide elbow is arranged at the top end of the flange plate; the H path of the orthogonal mode coupler is connected with a common port of the horizontal polarization duplexer through an E surface 90-degree waveguide elbow processed on the cavity; the V-path of the orthogonal mode coupler is connected with a common port of the vertical polarization duplexer through an H-surface 90-degree waveguide elbow processed on the flange.
The improved structure further comprises a cover plate, wherein the cover plate is arranged on the upper end face of the cavity in a fastener and reflow soldering mode.
Furthermore, a debugging screw is arranged on the cover plate and is positioned on the same plane.
The utility model discloses the beneficial effect who reaches:
the utility model can save the material and labor cost required by production, is beneficial to finger production, and improves the production efficiency and the product consistency; two ports of the orthogonal mode coupler are connected with the duplexer by using different duplexer common port shunting modes through waveguide elbows with different polarizations, so that two duplexer cavities are ensured to be positioned on the same plane, and great convenience is brought to debugging production; a evanescent mode waveguide filter is built in, so that higher-order modes are effectively inhibited, and far-end inhibition is improved; and the OMT is integrated with the duplexer, so that the volume of a communication system is reduced, the weight is reduced, and the cost is reduced.
Drawings
FIG. 1 is a schematic diagram of an orthomode coupler and waveguide bend configuration;
fig. 2 is an exploded schematic view of a front structure of a specific application of the present invention;
fig. 3 is an exploded view of a reverse structure of the present invention.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but 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 belong to the protection scope of the present invention.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1, 2 and 3, the utility model provides an integrate polarization multiplexing duplex subassembly compares waveguide duplexer and the ingenious integration of orthomode coupler with traditional piece-rate system, has reduced mechanical connection, has reduced the matching problem, has promoted system performance, and overall structure is compact simple, and the system loss is little, and the debugging is convenient, and is with low costs, is applicable to mass production's polarization multiplexing duplex subassembly.
The utility model provides an integrate polarization multiplexing duplex subassembly, includes an orthogonal mode coupler ①, E face 90 degree waveguide elbow ②, H face 90 degree waveguide elbow ③, horizontal polarization duplexer ② 0 and vertical polarization duplexer ⑤, the vertical polarization port of orthogonal mode coupler passes through H face 90 degree waveguide elbow ③ and is connected with vertical polarization duplexer ⑤'s common port, and the horizontal polarization port of orthogonal mode coupler passes through E face 90 degree waveguide elbow ② and is connected with horizontal polarization duplexer ④'s common port, and vertical polarization duplexer ⑤ and horizontal polarization duplexer ④ are on same plane.
In this embodiment, the orthomode coupler ① realizes polarized signal separation by narrow-slit coupling, wherein the upper end of the orthomode coupler is machined on the cavity ⑥, the lower end is machined on the flange ⑧, and the interface is ⑪.
In this embodiment, the H-path of the orthogonal mode coupler is connected to the common port of the horizontally polarized duplexer through an E-plane 90-degree waveguide elbow ② processed on the cavity ⑥, the V-path of the orthogonal mode coupler is connected to the common port of the vertically polarized duplexer through an H-plane 90-degree waveguide elbow ③ processed on the flange ⑧, the length of the H-plane 90-degree waveguide elbow ③ is adjusted to enable the horizontally polarized duplexer ④ and the vertically polarized duplexer ⑤ to be located on the same horizontal plane, and the vertically polarized duplexer ⑤ and the horizontally polarized duplexer ④ are arranged on two sides of the split cavity of the horizontally polarized duplexer ④
In this embodiment, apron ⑦ structure as an organic whole, connects into an organic whole through fastener and reflow soldering's mode between apron ⑦ and the cavity ⑥, be equipped with debugging screw ⑩ on the apron ⑦, and debugging screw ⑩ is located the coplanar, and resonance frequency and coupling bandwidth are conveniently adjusted to debugging screw ⑩, realize the subassembly filtering index, have brought very big facility for subsequent production debugging work.
In the embodiment, the whole device only comprises three parts, namely a cavity ⑥, a cover plate ⑦ and a flange ⑧, wherein the flange is arranged below the cavity, so that the structure is simple, and the processing and the production are easy.
In this embodiment, the four-channel transceiver filters of the two duplexers all adopt a 7-cavity 1-zero structure, so that the requirement of a client on the near-band index of the duplexer is met.
In this embodiment, the transceiving port ⑫ of the four-channel transceiving channel filters of the two duplexers is connected to the 4-order evanescent mode waveguide filter ⑨, so as to suppress the higher-order mode and meet the requirement of far-end suppression.
In this embodiment, the evanescent mode waveguide filter is connected to the transceiving port ⑫ through a 90-degree waveguide elbow, and a rectangular step is provided in a channel where the waveguide elbow is connected to the evanescent mode filter, in order to avoid a customer installation hole, thereby achieving ideal matching of the transceiving port ⑫ to the evanescent mode waveguide filter.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; 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. The utility model provides an integrate polarization multiplexing duplex subassembly, its characterized in that, includes orthomode coupler, vertical polarization duplexer, horizontal polarization duplexer, H face waveguide elbow and E face waveguide elbow, the horizontal polarization port of orthomode coupler passes through the public port connection of E face waveguide elbow and horizontal polarization duplexer, the vertical polarization port of orthomode coupler sends the public port through H face waveguide elbow and vertical polarization duplexer and is connected, and vertical polarization duplexer and horizontal polarization duplexer are on same plane.
2. The integrated polarization multiplexing duplex module of claim 1 wherein the orthogonal mode coupler employs slot coupling for polarization signal separation.
3. The integrated polarization multiplexing duplex assembly of claim 1, wherein the H-plane waveguide bend and the E-plane waveguide bend are stepped H-plane 90 degree waveguide bends and stepped E-plane 90 degree waveguide bends, respectively.
4. The integrated polarization multiplexing duplexer assembly according to claim 1, wherein the vertical polarization duplexer and the horizontal polarization duplexer each include a four-channel transceiving channel filter, and the transceiving channel filters adopt a 7-cavity 1-zero structure.
5. The integrated polarization multiplexing duplexer assembly according to claim 4, further comprising 4 th-order evanescent mode waveguide filters in the vertical polarization duplexer and the horizontal polarization duplexer, wherein the receiving/transmitting port of each receiving/transmitting channel filter is connected to the 4 th-order evanescent mode waveguide filter.
6. The integrated polarization multiplexing duplexer assembly of claim 5, wherein a rectangular step is formed in a connection channel between the 4 th-order evanescent mode waveguide filter and the transceiving port.
7. The integrated polarization multiplexing duplex component of claim 3, further comprising a cavity and a flange, wherein the vertical polarization duplexer and the horizontal polarization duplexer are disposed on two sides of the cavity, a flange cavity corresponding to the flange is disposed on an outer bottom end of the cavity, the E-plane 90-degree waveguide elbow is disposed in the flange cavity, and the H-plane 90-degree waveguide elbow is disposed on a top end of the flange; the H path of the orthogonal mode coupler is connected with a common port of the horizontal polarization duplexer through an E surface 90-degree waveguide elbow processed on the cavity; the V-path of the orthogonal mode coupler is connected with a common port of the vertical polarization duplexer through an H-surface 90-degree waveguide elbow processed on the flange.
8. The integrated polarization multiplexing duplex assembly of claim 7 further comprising a cover plate disposed on the upper end surface of the cavity by means of fasteners and reflow soldering.
9. The integrated polarization multiplexing duplex assembly of claim 8, wherein the cover plate is provided with a debugging screw, and the debugging screw is located on the same plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922063347.1U CN210692730U (en) | 2019-11-26 | 2019-11-26 | Polarization multiplex duplex subassembly integrates |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201922063347.1U CN210692730U (en) | 2019-11-26 | 2019-11-26 | Polarization multiplex duplex subassembly integrates |
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| CN210692730U true CN210692730U (en) | 2020-06-05 |
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| CN201922063347.1U Expired - Fee Related CN210692730U (en) | 2019-11-26 | 2019-11-26 | Polarization multiplex duplex subassembly integrates |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332052A (en) * | 2020-11-25 | 2021-02-05 | 南京邮电大学 | Millimeter wave waveguide directional coupling triplexer |
| CN113113752A (en) * | 2021-04-15 | 2021-07-13 | 西安伊鼎智能科技有限公司 | Multi-path waveguide coupler for calibration network |
-
2019
- 2019-11-26 CN CN201922063347.1U patent/CN210692730U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112332052A (en) * | 2020-11-25 | 2021-02-05 | 南京邮电大学 | Millimeter wave waveguide directional coupling triplexer |
| CN113113752A (en) * | 2021-04-15 | 2021-07-13 | 西安伊鼎智能科技有限公司 | Multi-path waveguide coupler for calibration network |
| CN113113752B (en) * | 2021-04-15 | 2022-03-29 | 西安伊鼎智能科技有限公司 | Multi-path waveguide coupler for calibration network |
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Granted publication date: 20200605 |