CN201936985U - Microwave combiner - Google Patents

Microwave combiner Download PDF

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Publication number
CN201936985U
CN201936985U CN 201020598267 CN201020598267U CN201936985U CN 201936985 U CN201936985 U CN 201936985U CN 201020598267 CN201020598267 CN 201020598267 CN 201020598267 U CN201020598267 U CN 201020598267U CN 201936985 U CN201936985 U CN 201936985U
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CN
China
Prior art keywords
coupling
microwave combiner
polarization
microwave
cavity
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Expired - Fee Related
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CN 201020598267
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Chinese (zh)
Inventor
宋杰
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Mobi Antenna Technologies Shenzhen Co Ltd
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Mobi Antenna Technologies Shenzhen Co Ltd
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Priority to CN 201020598267 priority Critical patent/CN201936985U/en
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Abstract

The utility model discloses a microwave combiner, which comprises a coupling mechanism and a convertor used for adjusting polarization. The coupling mechanism comprises an upper cavity and a lower cavity which are assembled integrally, the upper cavity and the lower cavity form a coupling cavity, a plurality of coupling columns are arranged in the coupling cavity, the upper cavity and the lower cavity are symmetrically provided with a plurality of groove-shaped mounting seats formed through drilling process, the coupling columns are mounted in the mounting seats, and two ends of each coupling column are in elastic opening structures. Therefore, the microwave combiner is simple in structure, stable and excellent in performance, lower in processing difficulty and higher in assembling accuracy.

Description

Microwave combiner
Technical field
The utility model relates to a kind of power division device that is used for microwave transmission communication field " 1+1 " system, relates in particular to a kind of microwave combiner.
Background technology
In the microwave transmission communication system,, adopt the scheme of " 1+1 " Hot Spare through regular meeting in order to improve the reliability of system; promptly two cover systems work online simultaneously; when a cover system broke down, another set of system can not add the work of carrying out of switching, guaranteed the continuity of communication.But with respect to active system, the reliability of antenna is higher, and volume is big, and difficulty is installed.Therefore just utilize microwave combiner that the working port of antenna is divided into two according to a certain percentage, two cover ODU are installed in main mouthful of microwave combiner respectively and are equipped with mouthful.According to system redundancy and reliability, choosing the power division ratio usually is 1: 1 (3dB) or 1: 4 (6dB).
The coupler structure of existing microwave combiner as depicted in figs. 1 and 2, this coupler comprises upper cavity and lower chamber, coupling slit (the S1 of this coupler, S2, S3) be to use high-precise numerically controlled milling machine fine finishining to form, the performance of the processing precision direct influence mixer in coupling slit is along with the rising coupling slit of frequency is more and more littler, the slit that has is less than 0.7mm, and working depth surpasses 10mm.For choosing of cutter very high requirement is arranged with process equipment.And this coupler structure has also proposed very high requirement for dividing half form up and down to the installation accuracy after the processing.Particularly to the mixer of high band, if the assembling contraposition not the brigadier problems such as standing wave is poor, power division is inaccurate appear.
In summary, existing microwave combiner obviously exists inconvenience and defective on reality is used, so be necessary to be improved.
The utility model content
At above-mentioned defective, the purpose of this utility model is to provide a kind of microwave combiner, and it is simple in structure, and stable performance is good, has reduced the difficulty of processing of microwave combiner, and has improved assembly precision.
To achieve these goals, the utility model provides a kind of microwave combiner, the converter that comprises coupling mechanism and be used to adjust polarization mode, described coupling mechanism comprises the upper cavity and the lower chamber of one assembling, described upper cavity and lower chamber form coupling cavity, be provided with a plurality of coupling columns in this coupling cavity, described upper cavity and lower chamber are arranged with a plurality of mount pads that are the groove shape that process by boring, described coupling column is installed in the described mount pad, and the two ends of described coupling column are the elasticity structure of dehiscing.
According to microwave combiner of the present utility model, described coupling mechanism is many slits of waveguide broadside coupling structure.
According to microwave combiner of the present utility model, described coupling mechanism four port waveguide couplers.
According to microwave combiner of the present utility model, described upper cavity is the identical symmetrical structure of shape with described lower chamber.
According to microwave combiner of the present utility model, described microwave combiner comprises that also the master who is positioned at described microwave combiner both sides uses ODU interface, standby ODU interface and antennal interface.
According to microwave combiner of the present utility model, described converter is two ridge polarization trimmers.
According to microwave combiner of the present utility model, described pair of ridge polarization trimmer comprises " V " passage and " H " passage that is used for corresponding different polarization modes.
According to microwave combiner of the present utility model, described microwave combiner also comprises step waveguide bend, polarization rotation waveguide segment and Polarization match adjustment section.
The utility model is symmetrical arranged a plurality of mount pads that are the groove shape by upper cavity and the lower chamber at coupling mechanism, a plurality of coupling columns are installed in this mount pad, this mount pad adopts boring to process, only distance gets final product between the total length of need assurance coupled section and each hole, difficulty of processing reduces greatly, and the two ends of coupling column are the elasticity structure of dehiscing, and can guarantee closely cooperating of coupling column and upper and lower cavity body structure, promptly accurate positioning action has been played in the electric contact of Bao Zhenging again.Whereby, the utility model is simple in structure, and stable performance is good, has reduced the difficulty of processing of microwave combiner, and has improved assembly precision.
Preferably, the utility model adopts two ridge polarization trimmers to adjust the Polarization match of microwave combiner, no matter antenna is with vertical or horizontal polarization work, always can realize the matched well of antenna and microwave combiner by the angle that two ridge polarization trimmers are set, and need not to rotate whole mixer, guarantee ODU mounting structure unanimity.
Description of drawings
Fig. 1 is the coupler structure schematic diagram of existing microwave combiner;
Fig. 2 is the vertical view of the lower chamber of existing coupler;
Fig. 3 is the stereogram at a kind of visual angle of microwave combiner of the present utility model;
Fig. 4 is the stereogram at the another kind of visual angle of microwave combiner of the present utility model;
Fig. 5 is the three-dimensional mounting structure figure of coupled structure of the present utility model;
Fig. 6 is the longitudinal cross-section view of coupled structure of the present utility model;
Fig. 7 is the sectional view of the utility model along A-A line intercepting among Fig. 6;
Fig. 8 is the coupling principle figure of coupled structure of the present utility model;
Fig. 9 is the three-dimensional structure diagram of coupling column of the present utility model;
Figure 10 is the part-structure enlarged drawing of microwave combiner of the present utility model;
Figure 11 is the schematic diagram of converter of the present utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
As shown in Figure 3 and Figure 4, a kind of microwave combiner 100 of the utility model, the converter 20 that it comprises coupling mechanism 10 and is used to adjust polarization mode, coupling mechanism 10 comprises the upper cavity 11 and the lower chamber 12 of one assembling, as shown in Figure 5 and Figure 6, microwave combiner 100 main bodys still adopt divides half hitch configuration formula up and down, and upper cavity 11 is the identical symmetrical structure of shape with lower chamber 12.Microwave combiner 100 comprises that also the master who is positioned at microwave combiner 100 both sides uses ODU interface 30, standby ODU interface 40 and antennal interface 50.
Upper cavity 11 and lower chamber 12 form coupling cavity, be provided with a plurality of coupling columns 13 in this coupling cavity, upper cavity 11 and lower chamber 12 are arranged with a plurality of mount pads that are the groove shape 14 that process by boring, coupling column 13 is installed in the mount pad 14, and the two ends of coupling column 13 are the elasticity structure of dehiscing.
The coupling slit of tradition coupled structure adopts small gap to process, the utility model has effectively been avoided small gap processing, and adopt boring to be processed to form a plurality of mount pads 14, a plurality of coupling columns 13 are installed on respectively in the mount pad 14, coupling slit (the NS1 that a plurality of coupling columns 13 form as shown in Figure 7, NS2, NS3), simple in structure.Only need select the total length (the size L among Fig. 7) of diameter, quantity and the coupled section of coupling column 13 just can realize the mixer of different capacity distribution ratio, and difficulty of processing reduces greatly.
And coupling column 13 is an overall structure, the problem of upper cavity 11 and lower chamber 12 contrapositions when having solved the later stage assembling.As shown in Figure 9, the two ends of coupling column 13 are the elasticity structure of dehiscing, can guarantee closely cooperating of coupling column 13 and mount pad 14, and accurate positioning action has been played in the electric contact that has promptly guaranteed again, makes the performance of mixer stablize good more.After all coupling columns 13 are seated, just formed naturally required coupling slit (NS1, NS2, NS3).Whereby, the utility model is simple in structure, and stable performance is good, has reduced the difficulty of processing of microwave combiner, and has improved assembly precision.
Coupling mechanism 10 of the present utility model is four port waveguide couplers, as shown in Figure 8.According to transmission theory, when port one was the input port, port 2 was a straightthrough port, and port 3 is a coupling aperture, and port 4 is an isolated port.According to conservation of energy principle, the output energy sum of port 2 and port 3 equals the intake of port one again, and is (the general isolation for-more than the 20dB) of isolating between port 2 and the port 3.According to the difference of coupled mode, waveguide coupler can be divided into the coupling of broadside coupled, narrow limit, porous coupling and slit coupling etc.In order to realize certain bandwidth and standing wave performance, and take all factors into consideration physical dimension, coupling mechanism 10 of the present utility model is selected many slits of waveguide broadside coupled structure for use.The coupler of this structure can be controlled the coupling amount with the size in coupling slit by the quantity that changes the coupling slit in certain bandwidth, and then realizes the microwave combiner 100 of different distribution ratios.For the rational deployment on the implementation structure, microwave combiner 100 also should be surrounded by step waveguide bend, polarization rotation waveguide segment and Polarization match and adjust section etc.
In the microwave transmission communication, disturb for avoiding Lin Dao, generally adopt two kinds of polarization mode work (perpendicular polarization and horizontal polarization), to improve channel separation.Therefore antenna must require selection work polarization mode according to channel.But according to the system configuration requirement, microwave combiner 100 must be installed in vertical mode, the promptly main left and right sides that must be positioned at microwave combiner 100 with ODU interface 30, standby ODU interface 40.Therefore, the antennal interface end of microwave combiner 100 must comprise that the converter 20 that is used to adjust polarization mode is to adapt to the antennas of different polarization.Microwave combiner 100 of the present utility model has adopted a kind of two ridge plan trimmers as shown in Figure 10 and Figure 11 as converter 20.The user is by the angle of the two ridge polarization of rotation trimmer 20, make " V " passage on two ridges polarization trimmers 20 or " H " passage respectively to the groove on microwave combiner 100 main bodys, just can realize the matched well of microwave combiner 100 and perpendicular polarization and horizontally-polarized antenna.In order to realize the reasonable installation of ODU, microwave combiner 100 also must configuration straight wave guide section and waveguide bend and installing and locating screw etc.
In sum, the utility model is symmetrical arranged a plurality of mount pads that are the groove shape by upper cavity and the lower chamber at coupling mechanism, a plurality of coupling columns are installed in this mount pad, this mount pad adopts boring to process, and only needs to guarantee that distance gets final product between the total length of coupled section and each hole, and difficulty of processing reduces greatly, and the two ends of coupling column are the elasticity structure of dehiscing, can guarantee closely cooperating of coupling column and upper and lower cavity body structure, promptly accurate positioning action has been played in the electric contact of Bao Zhenging again.Whereby, the utility model is simple in structure, and stable performance is good, has reduced the difficulty of processing of microwave combiner, and has improved assembly precision.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.

Claims (8)

1. microwave combiner, the converter that comprises coupling mechanism and be used to adjust polarization mode, it is characterized in that, described coupling mechanism comprises the upper cavity and the lower chamber of one assembling, described upper cavity and lower chamber form coupling cavity, are provided with a plurality of coupling columns in this coupling cavity, and described upper cavity and lower chamber are arranged with a plurality of mount pads that are the groove shape that process by boring, described coupling column is installed in the described mount pad, and the two ends of described coupling column are the elasticity structure of dehiscing.
2. microwave combiner according to claim 1 is characterized in that, described coupling mechanism is many slits of waveguide broadside coupling structure.
3. microwave combiner according to claim 1 is characterized in that, described coupling mechanism four port waveguide couplers.
4. microwave combiner according to claim 1 is characterized in that, described upper cavity is the identical symmetrical structure of shape with described lower chamber.
5. microwave combiner according to claim 1 is characterized in that, described microwave combiner comprises that also the master who is positioned at described microwave combiner both sides uses ODU interface, standby ODU interface and antennal interface.
6. microwave combiner according to claim 1 is characterized in that, described converter is two ridge polarization trimmers.
7. microwave combiner according to claim 6 is characterized in that, described pair of ridge polarization trimmer comprises " V " passage and " H " passage that is used for corresponding different polarization modes.
8. microwave combiner according to claim 1 is characterized in that, described microwave combiner also comprises step waveguide bend, polarization rotation waveguide segment and Polarization match adjustment section.
CN 201020598267 2010-11-09 2010-11-09 Microwave combiner Expired - Fee Related CN201936985U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201020598267 CN201936985U (en) 2010-11-09 2010-11-09 Microwave combiner

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Application Number Priority Date Filing Date Title
CN 201020598267 CN201936985U (en) 2010-11-09 2010-11-09 Microwave combiner

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103107403A (en) * 2013-03-11 2013-05-15 成都赛纳赛德科技有限公司 Loaded power divider
CN103151593A (en) * 2013-03-11 2013-06-12 成都赛纳赛德科技有限公司 Novel equiphase power divider
CN104051835A (en) * 2014-07-04 2014-09-17 中国电子科技集团公司第五十四研究所 Millimeter wave radial waveguide space power allocation/synthesizer
CN106450635A (en) * 2016-12-08 2017-02-22 江苏贝孚德通讯科技股份有限公司 Integrated microwave wave guide coupler
CN108321553A (en) * 2018-04-02 2018-07-24 珠海纳睿达科技有限公司 Dual polarization Waveguide slot array antenna

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103107403A (en) * 2013-03-11 2013-05-15 成都赛纳赛德科技有限公司 Loaded power divider
CN103151593A (en) * 2013-03-11 2013-06-12 成都赛纳赛德科技有限公司 Novel equiphase power divider
CN104051835A (en) * 2014-07-04 2014-09-17 中国电子科技集团公司第五十四研究所 Millimeter wave radial waveguide space power allocation/synthesizer
CN104051835B (en) * 2014-07-04 2016-06-22 中国电子科技集团公司第五十四研究所 Millimeter wave radial waveguide space power divider/combiner
CN106450635A (en) * 2016-12-08 2017-02-22 江苏贝孚德通讯科技股份有限公司 Integrated microwave wave guide coupler
CN106450635B (en) * 2016-12-08 2021-10-01 江苏贝孚德通讯科技股份有限公司 Integrated microwave waveguide coupler
CN108321553A (en) * 2018-04-02 2018-07-24 珠海纳睿达科技有限公司 Dual polarization Waveguide slot array antenna
CN108321553B (en) * 2018-04-02 2024-03-19 广东纳睿雷达科技股份有限公司 Dual polarized waveguide split array antenna

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110817

Termination date: 20161109

CF01 Termination of patent right due to non-payment of annual fee