CN201673993U - Microwave mixer - Google Patents
Microwave mixer Download PDFInfo
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- CN201673993U CN201673993U CN2009202735948U CN200920273594U CN201673993U CN 201673993 U CN201673993 U CN 201673993U CN 2009202735948 U CN2009202735948 U CN 2009202735948U CN 200920273594 U CN200920273594 U CN 200920273594U CN 201673993 U CN201673993 U CN 201673993U
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- coupling
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- complementary wave
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- waveguide
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Abstract
The utility model discloses a microwave mixer which comprises main waveguide, auxiliary waveguide and a coupling mechanism; the main waveguide and the auxiliary waveguide are connected by the coupling mechanism in a coupling way; the coupling mechanism penetrates a coupling cavity between the main waveguide and the auxiliary waveguide and a plurality of coupling columns which are arranged in the coupling cavity. The matching between the coupling cavity and the coupling columns serves as the coupling method of the utility model and replaces a traditional aperture coupling method, thereby not only meeting the requirements of bandwidth, standing wave, power capacity, power allocation and other performance indexes of microwave radio relay communication, but also simplifying the processing and manufacturing procedures, facilitating mass production, well ensuring the consistent performance of the product, and having higher flexibility in adjusting the power allocation.
Description
[technical field]
The utility model relates to a kind of microwave combiner, specifically relates to a kind of microwave radio relay communication that is applied to, the microwave combiner of being made up of waveguide, coupling cavity and coupling column.
[technical background]
Mixer is the outdoor device of microwave transmission system, and it is a three-port network, and a port connects microwave antenna, one is the main road port, connects the Outdoor Device Unit (ODU) of main usefulness, and another branch road is a bypass, connect standby ODU, the general power division that does not wait that adopts between main road and bypass.
The waveguide type microwave combiner can bear bigger power because to have an Insertion Loss little, easy to use flexibly, reliability advantages of higher, and being widely used in the above-mentioned microwave transmission system.At present, common waveguide type microwave combiner generally adopts hole slot coupling mode both at home and abroad, on the common waveguide wall, open one or more holes seam and make two energy couplings in the adjacent waveguide, can obtain the microwave combiner of corresponding power distribution ratio by size, quantity and the relative position thereof of adjustment hole seam.As Chinese patent application numbers 200810118103.2, name is called: the patent application document of " a kind of wideband wave-guide directional coupler in short millimeter waveband " is disclosed, the major defect of this microwave combiner is, by certain power-division ratios, realize the bandwidth of operation of broad, required hole or seam quantity can be more, thereby make mixer length very long, it is integrated to satisfy present microwave radio relay communication, the demand of miniaturization.Because the hole of One's name is legion or seam have brought the difficulty and the error of processing, and be used for the high frequency passive device of microwave communication, required precision to processing is very high, and general error will be controlled in the 0.02mm, so will process numerous holes or seam, the processing technology that guarantees this error precision satisfies the electrical performance indexes requirement, brought higher cost, and in production in enormous quantities, because processing is comparatively complicated, required precision is than higher, and consistency of product can not well guarantee.At present the shortcoming that also has of existing scheme is, when needing the new power-division ratios of design main road and bypass, the quantity size of hole or seam etc. change bigger, and design needs to change bigger, has brought very big trouble to product designer.
[utility model content]
The purpose of this utility model is: a kind of microwave radio relay communication mixer that can satisfy certain power-division ratios and the bandwidth of operation of broad is arranged is provided, realizes that volume is little, processing is simple, and is with low cost, is fit to the purpose of producing in enormous quantities.
The purpose of this utility model is achieved in that
A kind of microwave combiner, comprise: main waveguide, complementary wave are led and coupling mechanism, the coupling of this coupling mechanism is crossed in this main waveguide and complementary wave conducting, it is characterized in that: described coupling mechanism is the coupling cavity between leading through this main waveguide and complementary wave and is located at some coupling columns in this coupling cavity.
Cooperation by coupling cavity and coupling column is as coupled modes, replace existing hole slot coupling mode, can satisfy the bandwidth of microwave radio relay communication, standing wave, power capacity, the requirement of performance index such as power division, and processing and manufacturing is simple again, be easy to produce in enormous quantities, and can well guarantee the consistency of performance of product, and power-division ratios adjustment flexibility is higher.
As the improvement of technique scheme, further technical scheme of the present utility model is as follows:
It is rectangular waveguide that above-mentioned main waveguide and complementary wave are led, and this coupling cavity is cuboid, and it highly equals the width edge length that this main waveguide and complementary wave are led.
By coupling cavity is arranged to cuboid, and height is consistent with the width edge length of major-minor waveguide, is in order to satisfy the bandwidth of microwave radio relay communication, standing wave, power capacity, the requirement of performance index such as power division.
Above-mentioned complementary wave is led and is coupled first branch and terminal second branch that is provided with port that the chamber is divided into endcapped, and this first branch is provided with the suction carrier load.
The sealing of first branches end does not need conduction electro-magnetic wave, therefore in first branch suction carrier load is set, to guarantee the smooth conduction of ripple at bypass.
Above-mentioned main waveguide two ends are equipped with port, and the port of second branches end that these two ports and described complementary wave are led is equipped with position, standard flange hole.
This is the three-port network of standard, and a port connects microwave antenna, and one is the main road port, connects the Outdoor Device Unit (ODU) of main usefulness, and another branch road is a bypass, connects standby ODU.
Above-mentioned suction carrier load is a ferrite.
Ferrite is better absorbing material.
The broadside middle vertical plane mirror image that above-mentioned main waveguide, complementary wave led, coupling cavity and coupling column are led with respect to main waveguide and complementary wave is symmetrically distributed.
It is in order to reach good electrical property, to be beneficial to processing simultaneously that whole mixer mirror image is symmetrical arranged.
Above-mentioned main waveguide, complementary wave led the broadside middle vertical plane of leading with main waveguide and complementary wave with coupling cavity and is divided into two, and these two parts are fitted together with set screws by the screwed hole of being located on this mixer.
The part of mixer except that coupling column is divided into two, helps processing more, be fit to produce in batches, convenient by screwed hole and screw assembling.
Be provided with some broadside middle vertical plane mirror image symmetries of leading with respect to this main waveguide and complementary wave in the above-mentioned coupling cavity, and with the positioning seat of this coupling column bottom shape coupling, this coupling column is fastened in this symmetrical positioning seat.
By the positioning seat that mates with the coupling column bottom shape is set in coupling cavity, coupling column is fastened between two parts of coupling cavity by the mode that the hole pin cooperates, coupling is not only arranged, and can guarantee the reliability that two parts that coupling cavity is divided into two connect, play the effect of location, thereby guarantee electrical property, simultaneously, this movable connection method also helps merit more and divides adjusting, when needs are regulated major-minor waveguide-coupled proportionate relationship, only needs the position of running fix seat just passable.
It can be standard waveguide that above-mentioned main waveguide and complementary wave are led, also can criteria of right and wrong waveguide.
[description of drawings]
Fig. 1 is the cross-sectional view of a specific embodiment of the utility model;
Fig. 2 is the overall structure schematic diagram of a specific embodiment of the utility model;
Fig. 3 is the structural representation that half mixer of specific embodiment of the utility model is loaded onto coupling column;
Fig. 4 is the cross-sectional view that specific embodiment of the utility model is not adorned coupling column;
Fig. 5 is the structural representation of a specific embodiment coupling column of the utility model;
Fig. 6 is the cross sectional plan view of a specific embodiment of the utility model.
[embodiment]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments, but not as to qualification of the present utility model.
The main waveguide 1 of present embodiment and complementary wave are led 2 and are all adopted the standard rectangular waveguide, coupling mechanism is to lead the coupling cavity 3 between 2 and be located at two coupling columns 4 in this coupling cavity 3 through this main waveguide 1 and complementary wave, the coupling column 4 of present embodiment is a cylinder, but is not limited to this.
The two ends of main waveguide 1 are equipped with port 8, complementary wave is led 2 one sections sealings, the other end is provided with port 8, this coupling cavity 3 is led 2 with this complementary wave and is divided into first 2-1 of branch of endcapped and second 2-2 of branch that end is provided with port 8, be provided with among the 2-1 of this first branch and inhale carrier load 10 (as shown in Figure 1), this suction carrier load 10 is ferrites, and present embodiment adopts carbonyl iron particles.
The coupling cavity 3 of present embodiment is cuboid, it highly equals main waveguide 1 and complementary wave and leads 2 width edge length, and the main waveguide 1 of present embodiment mixer, complementary wave lead 2, coupling cavity 3 and coupling column 4 are led 2 broadside middle vertical plane mirror image with respect to main waveguide 1 and complementary wave and be symmetrically distributed.Except that coupling column 4, main waveguide 1, complementary wave lead 2 and coupling cavity 3 lead 2 broadside middle vertical plane with main waveguide 1 and complementary wave and be divided into two, these two parts fit together by the screwed hole 5 usefulness screw (not shown)s of being located on this mixer.Except screwed hole, the mixer of present embodiment also is provided with location hole 7, and this location hole 7 prevents that by inserting the alignment pin (not shown) two parts that are divided into two from relatively moving.
Be provided with in the coupling cavity 3 and somely lead 2 broadside middle vertical plane mirror image symmetry with respect to this main waveguide 1 and complementary wave, and with the positioning seat 9 of this coupling column 4 bottom shapes coupling, this coupling column 4 is fastened in this symmetrical positioning seat 9.
By the positioning seat that mates with coupling column 4 bottom shapes is set in coupling cavity 3, the mode that coupling column 3 is cooperated by hole pin is fastened between two parts that coupling cavity 3 is divided into two, coupling is not only arranged, and the reliability that connects of the two parts that can guarantee coupling cavity 3, play the effect of location, thereby assurance electrical property, simultaneously, this movable connection method also helps merit more and divides adjusting, when needs are regulated major-minor waveguide-coupled proportionate relationship, only need the position of running fix seat 9 just passable.
Three ports of present embodiment are equipped with position, standard flange hole 6, present embodiment is the three-port network of standard, a port connects microwave antenna, one is the main road port, the Outdoor Device Unit (ODU) that connects main usefulness, another branch road is a bypass, connects standby ODU, and potential energy enough more firm being connected with peripheral equipment in ring flange hole is set.
The working frequency range of present embodiment is 7.1-8.5GHz, the 6dB mixer, and straight-through end main road Insertion Loss is-1.3dB, flatness is ± 0.25dB that the coupled end bypass degree of coupling is-6dB flatness ± 0.5dB, standing wave is less than 1.2, isolates less than-20dB, satisfies microwave radio relay communication mixer performance demands.
Of particular note; the bypass degree of coupling of the present utility model can be by the spacing of coupling column; the distance of the size of coupling cavity and coupling column and coupling cavity etc. is regulated; therefore; protection range of the present utility model is with quantity, the shape of coupling column, the shape of coupling cavity, and sizes etc. are exceeded; the present embodiment accompanying drawing is just indicated the existence of coupling cavity and coupling column, and features such as the shape of coupling cavity and coupling column and quantity is not limited.Simultaneously; the foregoing description only is a better embodiment of the present utility model; but execution mode of the present utility model not merely is restricted to the described embodiments; other any do not deviate from change that the utility model innovative point done, substitutes, combination or simplify; all should be considered as the substitute mode of equivalence, be included within the protection range of the present utility model.
Claims (9)
1. microwave combiner, comprise: main waveguide, complementary wave are led and coupling mechanism, the coupling of this coupling mechanism is crossed in this main waveguide and complementary wave conducting, it is characterized in that: described coupling mechanism is the coupling cavity between leading through this main waveguide and complementary wave and is located at some coupling columns in this coupling cavity.
2. a kind of microwave combiner according to claim 1 is characterized in that: it is rectangular waveguide that described main waveguide and complementary wave are led, and this coupling cavity is cuboid.
3. a kind of microwave combiner according to claim 2 is characterized in that: the height of described coupling cavity equals the width edge length that this main waveguide and complementary wave are led.
4. a kind of microwave combiner according to claim 1 is characterized in that: described complementary wave is led and is coupled first branch and terminal second branch that is provided with port that the chamber is divided into endcapped, and this first branch is provided with the suction carrier load.
5. a kind of microwave combiner according to claim 4 is characterized in that: described main waveguide two ends are equipped with port, and the port of second branches end that these two ports and described complementary wave are led is equipped with position, standard flange hole.
6. a kind of microwave combiner according to claim 4 is characterized in that: described suction carrier load is a ferrite.
7. according to each described a kind of microwave combiner of claim 1-6, it is characterized in that: the broadside middle vertical plane mirror image that described main waveguide, complementary wave are led, coupling cavity and coupling column are led with respect to main waveguide and complementary wave is symmetrically distributed.
8. a kind of microwave combiner according to claim 7, it is characterized in that: described main waveguide, the broadside middle vertical plane that complementary wave is led leads with main waveguide and complementary wave with coupling cavity are divided into two, and these two parts are fitted together with set screws by the screwed hole of being located on this mixer.
9. a kind of microwave combiner according to claim 8, it is characterized in that: be provided with some broadside middle vertical plane mirror image symmetries of leading with respect to this main waveguide and complementary wave in the described coupling cavity, and with the positioning seat of this coupling column bottom shape coupling, this coupling column is fastened in this symmetrical positioning seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202735948U CN201673993U (en) | 2009-11-26 | 2009-11-26 | Microwave mixer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202735948U CN201673993U (en) | 2009-11-26 | 2009-11-26 | Microwave mixer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673993U true CN201673993U (en) | 2010-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202735948U Expired - Lifetime CN201673993U (en) | 2009-11-26 | 2009-11-26 | Microwave mixer |
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| CN (1) | CN201673993U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707274A (en) * | 2009-11-26 | 2010-05-12 | 广东通宇通讯设备有限公司 | Microwave combiner |
| CN102299396A (en) * | 2011-06-20 | 2011-12-28 | 京信通信系统（中国）有限公司 | Microwave frequency range combiner |
| CN102956949A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | Metamaterial-based directional coupler |
| CN104241792A (en) * | 2013-06-21 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Fine adjustment type T-shaped waveguide tube |
-
2009
- 2009-11-26 CN CN2009202735948U patent/CN201673993U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101707274A (en) * | 2009-11-26 | 2010-05-12 | 广东通宇通讯设备有限公司 | Microwave combiner |
| CN102299396A (en) * | 2011-06-20 | 2011-12-28 | 京信通信系统（中国）有限公司 | Microwave frequency range combiner |
| CN102299396B (en) * | 2011-06-20 | 2014-02-26 | 京信通信系统（中国）有限公司 | Microwave frequency range combiner |
| CN102956949A (en) * | 2011-08-31 | 2013-03-06 | 深圳光启高等理工研究院 | Metamaterial-based directional coupler |
| CN104241792A (en) * | 2013-06-21 | 2014-12-24 | 鸿富锦精密工业（深圳）有限公司 | Fine adjustment type T-shaped waveguide tube |
| CN104241792B (en) * | 2013-06-21 | 2017-01-25 | 鸿富锦精密工业（深圳）有限公司 | Fine adjustment type T-shaped waveguide tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG TONGYU COMMUNICATIONS CO., LTD. Free format text: FORMER NAME: GUANGDONG TONGYU COMMUNICATION EQUIPMENT CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee after: Guangdong Tongyu Communications Co., Ltd. Address before: 528437 Torch Road 9, Torch Development Zone, Guangdong, Zhongshan, -1 Patentee before: Guangdong Tongyu Communication Equipment Co., Ltd. |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20101215 Effective date of abandoning: 20091126 |
|
| RGAV | Abandon patent right to avoid regrant |