CN203491372U

CN203491372U - Power divider applied to over-mode circular waveguide to two-way rectangular waveguide

Info

Publication number: CN203491372U
Application number: CN201320662705.0U
Authority: CN
Inventors: 张健穹; 刘庆想; 李相强; 王邦继; 杨志军
Original assignee: Southwest Jiaotong University
Current assignee: Southwest Jiaotong University
Priority date: 2013-10-25
Filing date: 2013-10-25
Publication date: 2014-03-19
Anticipated expiration: 2023-10-25

Abstract

The utility model discloses a power divider applied to an over-mode waveguide to a two-way rectangular waveguide, and the problems that in the prior art, there is lack of a mature power divider aiming at a high power over-mode circular waveguide to a two-way rectangular waveguide and the technical development requirement cannot be satisfied are solved. The power divider applied to the over-mode waveguide to the two-way rectangular waveguide comprises an input circular waveguide, the two-way rectangular waveguide vertically connected with the input circular waveguide, and a short circuit circular waveguide connected between the two-way rectangular waveguide. By the above solution, the power divider applied to the over-mode circular waveguide to the two-way rectangular waveguide is advantaged by small reflection, high transmission efficiency, high power capacity, and high practical values and promotion values, and the power divider is applicable to high power application.

Description

Be applicable to mould circular waveguide to the power divider of two-way rectangular waveguide

Technical field

The utility model relates to a kind of power divider of High-Power Microwave technical field, specifically, relates to a kind of high power that is applicable to and crosses mould circular waveguide to the power divider of two-way rectangular waveguide.

Background technology

In traditional microwave technical field, power divider is a kind of common microwave component, its implementation is more, correlative study and application are also very extensive, yet for being applied to the power divider in High-Power Microwave field, except the technical performances such as the desired low-loss of conventional power distributor, low reflection, high-transmission efficiency are studied, also need to meet itself and the mating and realize high power capacity of high-power microwave source output mode.

At present, the export structure of high-power microwave source is more to be adopted mould circular waveguide or crossed mould coaxial waveguide, and its pattern is respectively TM01 mould or TEM mould, has axisymmetry structure.Person skilled has been carried out correlative study to crossing mould circular waveguide to one or more rectangular waveguide power divider, but existing structure mostly adopts coaxial construction, can only realize the conversion between the rectangular waveguide of circular waveguide Yu Yi road.Transfer problem for circular waveguide to multichannel rectangular waveguide, Tao Shen in 2003, proposed circular waveguide to the duplexer of two kinds of forms of rectangular waveguide [Tao Shen. " Rectangular Waveguide Diplexers With a Circular Waveguide Common Port ". IEEE.2003], circular waveguide is connected respectively to H face and the E face of rectangular waveguide, and this structure is improved, but do not mated preferably; Within 2006, A.O.Perov has proposed radial joint, in literary composition, by pattern matching method, this structure has been carried out to pattern analysis, and 1 of high band minute 2 road and 1 minute 4 road transducer are analyzed, and is not better mated; Gian Guido Gentili in 2009 etc. have proposed a kind of coupler [Gian Guido Gentili that two-way rectangular waveguide is converted to circular waveguide, Leonardo Lucci. " A Novel Design for a Circular Waveguide Directional Coupler ". IEEE.2009], the coupled modes of this structure have adopted circular hole coupling, and structure is more complicated.The above-mentioned study on the transformation that circular waveguide is arrived to multichannel rectangular waveguide is all mainly for the application in traditional microwave field, and its design is not considered high power applications demand.2011, the people such as Zhao Lishan have proposed a kind of novel circumference mode converter [Zhao Lishan, Yuan Chengwei, Zhang Jiande etc. the low mould High-Power Microwave circumference mode converter designs of crossing. light laser and the particle beams. 2011], this structure is comprised of the circular waveguide of a section termination short circuit and perpendicular rectangular waveguide, input and output are vertical stratification, can be applied to high power field, but can only realize the conversion of circular waveguide Dao Yi road rectangular waveguide.

In sum, for high power, cross mould circular waveguide also immature to research and the technical scheme of two-way rectangular waveguide power divider.

Utility model content

The purpose of this utility model is to provide a kind of mould circular waveguide that was applicable to the power divider of two-way rectangular waveguide, mainly solve in prior art, exist lack a kind of maturation for high power, cross mould circular waveguide to the power divider of two-way rectangular waveguide, can not meet the problem of technical development demand.

To achieve these goals, the technical solution adopted in the utility model is as follows:

Be applicable to mould circular waveguide to the power divider of two-way rectangular waveguide, comprised input circular waveguide, all, with the vertical two-way rectangular waveguide being connected of input circular waveguide, be connected in the short circuit circular waveguide between two-way rectangular waveguide.

Further, the junction of described input circular waveguide and two-way rectangular waveguide is rounded down respectively.

Further, described two-way rectangular waveguide co-axial alignment.

Specifically, described short circuit circular waveguide is connected in the opposite side that two-way rectangular waveguide is relative with the connected side of input circular waveguide.

As preferably, described two-way rectangular waveguide is connected with input circular waveguide and the equal end of short circuit circular waveguide.

Compared with prior art, the utlity model has following beneficial effect:

(1) the utility model is for the power division demand that adopted the high-power microwave source of mould circular waveguide output, a kind of novel high power power divider has been proposed, can realize mould circular waveguide TM01 mould to the power division of two-way rectangular waveguide TE10 mould, there is feature simple in structure, that efficiency of transmission is high, power capacity is high, meet technical development demand, there is substantive distinguishing features and marked improvement, be applicable to large-scale promotion application.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Fig. 2 is the A-A generalized section of Fig. 1.

Fig. 3 is the connection diagram of input circular waveguide of the present utility model and two-way rectangular waveguide.

In above-mentioned accompanying drawing, the component names that Reference numeral is corresponding is as follows:

1-inputs circular waveguide, 2-rectangular waveguide, 3-short circuit circular waveguide, 4-base plate, 5-fillet.

Embodiment

Below in conjunction with drawings and Examples, the utility model is described in further detail, and execution mode of the present utility model includes but not limited to the following example.

Embodiment

For solve in prior art, exist lack a kind of maturation for high power, cross mould circular waveguide to the power divider of two-way rectangular waveguide, can not meet the problem of technical development demand, as shown in Fig. 1 ~ 3, the utility model provides a kind of mould circular waveguide that was applicable to the power divider of two-way rectangular waveguide, comprise the input circular waveguide 1 that is positioned at center, be connected and the two-way rectangular waveguide 2 of co-axial alignment with input circular waveguide 1 is vertical, be connected between two-way rectangular waveguide, realize the short circuit circular waveguide 3 of input circular waveguide pattern and the conversion of two-way Rectangle Waveguide Mode, as shown in Figure 2, input circular waveguide 1, rectangular waveguide 2, short circuit circular waveguide 3 internal communication.

As shown in Figure 3, when application, input circular waveguide 1 can be fixed on base plate 4, and at the junction rounding 5 of inputting circular waveguide and two-way rectangular waveguide, short circuit circular waveguide is connected in to the opposite side that two-way rectangular waveguide is relative with the connected side of input circular waveguide, and two-way rectangular waveguide is connected with input circular waveguide and the equal end of short circuit circular waveguide, to reach effect the best.

Empirical tests shows, the utility model is less than 0.15 at 2.8-2.96GHz frequency band range reflection coefficient, loss is less than 0.1dB, when centre frequency 2.88GHz, reflection coefficient is 0.05, the about 0.03dB of loss, inner field intensity maximum 635v/m, is 2.4GW according to its design power capacity of vacuum threshold calculations, the above results shows, this power divider has that reflection is little, efficiency of transmission is high, power capacity is high and be applicable to high power applications.

According to above-described embodiment, just can realize well the utility model.

Claims

1. be applicable to mould circular waveguide to the power divider of two-way rectangular waveguide, it is characterized in that, comprise input circular waveguide (1), all, with the vertical two-way rectangular waveguide (2) being connected of input circular waveguide (1), be connected in the short circuit circular waveguide (3) between two-way rectangular waveguide (2).

2. the mould circular waveguide that was applicable to according to claim 1, to the power divider of two-way rectangular waveguide, is characterized in that, the junction of described input circular waveguide (1) and two-way rectangular waveguide (2) be rounded down respectively (5).

3. the mould circular waveguide that was applicable to according to claim 2, to the power divider of two-way rectangular waveguide, is characterized in that, described two-way rectangular waveguide (2) co-axial alignment.

4. the mould circular waveguide that was applicable to according to claim 3, to the power divider of two-way rectangular waveguide, is characterized in that, described short circuit circular waveguide (3) is connected in the opposite side that two-way rectangular waveguide (2) is relative with the connected side of input circular waveguide (1).

5. the mould circular waveguide that was applicable to according to claim 4, to the power divider of two-way rectangular waveguide, is characterized in that, described two-way rectangular waveguide (2) is all connected end with input circular waveguide (1) and short circuit circular waveguide (3).