CN207542371U - A kind of waveguide power synthesizer - Google Patents
A kind of waveguide power synthesizer Download PDFInfo
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- CN207542371U CN207542371U CN201721721854.4U CN201721721854U CN207542371U CN 207542371 U CN207542371 U CN 207542371U CN 201721721854 U CN201721721854 U CN 201721721854U CN 207542371 U CN207542371 U CN 207542371U
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Abstract
The utility model provides a kind of waveguide power synthesizer, including multiple power input waveguides, power synthesizer and general power output waveguide, multiple power input waveguides include the 1st power input waveguide, the 2nd power input waveguide ..., the n-th power input waveguide；2nd power input waveguide ..., the n-th power input waveguide is all vertical with power synthesizer communicates setting；The rectangular waveguide communicated in power synthesizer including 2 levels of n, rectangular waveguide is interior to be equipped with allotment column；Wherein, n is 5~12 natural number.Above-mentioned waveguide power synthesizer, due to being equipped with power input waveguide, power synthesizer and general power output waveguide, the grade that can complete multichannel power is unified into, and the power combing mode that above-mentioned waveguide power synthesizer is serial type chain type, each input waveguide unit arranges successively, it is arranged conducive to multichannel transmitter, and floor space is smaller；Due to being equipped with allotment column, the standing-wave ratio very little of the output port after the power combing of Shi Ge roads.
Description
Technical field
The utility model is related to power combiner field, more particularly to a kind of waveguide power synthesizer.
Background technology
The working frequency and the attainable power of institute of high power solid state device are higher and higher, but the physics for being limited to semiconductor is special
Property, the output power of single solid-state devices is limited.Output power during multipath solid-state is carried out using power synthetic technique
Superposition, is one of effective way for obtaining more high-output power.Power combiner is widely used in microwave power amplifier, power amplifier
In linearisation, test circuit and other microwave systems.
Application No. is：In the patent of invention of 201210554598.X, a kind of waveguide power synthesizer, the synthesis are disclosed
Device is mainly using T-type structure, the power combing available for different proportion.
Application No. is：201310294552.3 patent of invention in, disclose a kind of waveguide power distribution synthesizer and
Power distribution, synthetic method, a kind of specifically disclosed waveguide power distribution synthesizer is also T-type structure synthesizer, by the 1st
Different types of waveguide is set in transmission path between port and the 2nd port, is synthesized so as to fulfill multichannel power distribution.It is above-mentioned
Waveguide power synthesizer in two patents is only used for simple two-way power combing, if using above-mentioned T-type structure group
The multiplexer that cascade forms significant power demand is closed, the cascade debugging that can make preparation is sufficiently complex, can spend many scenes
Debug time, and floor space is larger, is unfavorable for the design of cooling system.Since high-power power source power levels generally reach
The rank of more than 100KW, at present the power maximum of single-channel RF power source can only accomplish 20KW, the body of required transmitter in itself
Product is just very huge, if using the waveguide power synthesizer of above-mentioned T-type structure, is unfavorable for the arrangement of multichannel transmitter, can account for
With limited laboratory area.
Utility model content
Purpose of utility model：In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of waveguide power synthesizer, with
The technical issues of solution is unfavorable for multichannel transmitter arrangement, floor space is larger.
A kind of waveguide power synthesizer, including multiple power input waveguides, power synthesizer and general power output waveguide,
Multiple power input waveguides include the 1st power input waveguide, the 2nd power input waveguide ..., the n-th power input waveguide, institute
It states the 1st power input waveguide and is connected to described power synthesizer one end, the general power output waveguide is connected to the power
The synthesizer other end；
The 2nd power input waveguide ..., the n-th power input waveguide phase all vertical with the power synthesizer
Logical setting；The rectangular waveguide communicated in the power synthesizer including n-2 level, the rectangular waveguide is interior to be equipped with allotment
Column；Wherein, n is 3~12 natural number.
Above-mentioned technical proposal, can be complete due to being equipped with power input waveguide, power synthesizer and general power output waveguide
Grade into multichannel power is unified into, and the power combing mode that above-mentioned waveguide power synthesizer is serial type chain type, each incoming wave
It leads unit to arrange successively, facilitates the system integration, arranged conducive to multichannel transmitter, and floor space is smaller；Due to being equipped with allotment column,
Return loss and standing-wave ratio can be adjusted, by allocating the fine tuning of column, output port that can be after the power combing of Shi Ge roads is stayed
Bobbi very little.
In one of the embodiments, the 2nd power input waveguide ..., the n-th power input waveguide and the work(
The inner wall of rate synthesizer communicating position both sides is respectively equipped with the metal derby one of horizontal direction, is formed and adjusted between two metal derbies one
Save window.
Above-mentioned technical proposal due to being equipped with adjusting window, can adjust the transmission coefficient of matched transmitter, be by transmission
Number is adjusted to predetermined value, reduces the standing-wave ratio of the output port after each road power combing.
The thickness of the metal derby one is 8~12mm in one of the embodiments,.
The communicating position top of the 1st power input waveguide and the rectangular waveguide, two in one of the embodiments,
A rectangular waveguide communicating position top is designed with the metal derby two of vertical direction.
Above-mentioned technical proposal due to being equipped with metal derby two, can adjust the transmission coefficient of matched engine, further essence
It really adjusts, the standing-wave ratio very little of the output port after the power combing of Shi Ge roads.
N is 8 or 10 in one of the embodiments,.
Advantageous effect：Compared with prior art, above-mentioned waveguide power synthesizer, has the following advantages：
1st, due to being equipped with power input waveguide, power synthesizer and general power output waveguide, multichannel power can be completed
Grade be unified into, and above-mentioned waveguide power synthesizer be serial type chain type power combing mode, each input waveguide unit is successively
It arranges, facilitates the system integration, arranged conducive to multichannel transmitter, and floor space is smaller；Due to being equipped with allotment column, can adjust back
Wave is lost and standing-wave ratio, by allocating the fine tuning of column, the standing-wave ratio very little of output port that can be after the power combing of Shi Ge roads.
2nd, due to being equipped with adjusting window, the transmission coefficient of matched transmitter can be adjusted, transmission coefficient is adjusted to pre-
Definite value reduces the standing-wave ratio of the output port after each road power combing.
Description of the drawings
Fig. 1 is the structure diagram of the waveguide power synthesizer of embodiment 1；
Rectangular waveguides of the Fig. 2 for the 1st power input waveguide of embodiment 1, the 2nd power input waveguide and power synthesizer
Attachment structure schematic diagram；
Fig. 3 is that the rectangular waveguide of the power synthesizer of embodiment 1 is illustrated with the connection structure of third power input waveguide
Figure；
Composite structures of the Fig. 4 for the 1st power input waveguide of embodiment 1, the 2nd power input waveguide and a rectangular waveguide
Simulation curve figure；
Fig. 5 is two rectangular waveguides of embodiment 1 and the composite structure simulation curve figure of third power input waveguide；
Fig. 6 is two rectangular waveguides of embodiment 1 and the composite structure simulation curve figure of the 4th power input waveguide；
Fig. 7 is two rectangular waveguides of embodiment 1 and the composite structure simulation curve figure of the 5th power input waveguide；
Fig. 8 is two rectangular waveguides of embodiment 1 and the composite structure simulation curve figure of the 6th power input waveguide；
Fig. 9 is two rectangular waveguides of embodiment 1 and the composite structure simulation curve figure of the 7th power input waveguide；
Figure 10 is two rectangular waveguides of embodiment 1 and the composite structure simulation curve figure of the 8th power input waveguide；.
Specific embodiment
Embodiment 1
It please refers to Fig.1 and Fig. 2, a kind of waveguide power synthesizer, including multiple power input waveguides 1, power synthesizer 2
And general power output waveguide 3, multiple power input waveguides 1 include the 1st power input waveguide P1, the 2nd power input waveguide
P2 ..., the n-th power input waveguide Pn, the 1st power input waveguide P1 be connected to 2 one end of power synthesizer, general power output wave
It leads 3 and is connected to 2 other end of power synthesizer；2nd power input waveguide P2 ..., the n-th power input waveguide Pn all with power close
Vertically setting is communicated into device 2；The rectangular waveguide 21 communicated including n-2 level in power synthesizer 2, in rectangular waveguide 21
Equipped with allotment column 4；Wherein, n is 3~12 natural number.
Wherein, the 2nd power input waveguide P2 ..., 2 communicating position two of the n-th power input waveguide Pn and power synthesizer
The inner wall of side is respectively equipped with the metal derby 1 of horizontal direction, is formed between two metal derbies 1 and adjusts window 6.Metal derby 1
Thickness and width matched as needed.The thickness of metal derby one is 8mm.
Preferably, the communicating position top of the 1st power input waveguide P1 and rectangular waveguide 21, two rectangular waveguides 21 connect
Position top is designed with the metal derby 27 of vertical direction.Generally according to needs, metal derby 1, metal are obtained by analog simulation
The shape and size of block 27, while obtain position and the size of allotment column 4.The thickness of metal derby 27 is 8mm.
Please refer to Fig.1~3, in the present embodiment, n 8.It is generally reached applied to the radio-frequency power source power in synchronous light source
100KW even 200KW, common are 150KW, in order to do appropriate Redundancy Design, it will usually design the radio-frequency power of 160KW
Source.Since the single power source power of 160KW is too big, does and be not easy very much, difficult design is expensive, while single
Power source is unfavorable for the stability Design of system.Single-channel RF power source maximum can accomplish 20KW at present.In order to reach 160KW's
Power the present embodiment uses the synthesis thinking of 20KW*8.Composite structure is as shown in Figure 1.
In the present embodiment, power synthesizer 2 include 6 rectangular waveguides, 21,6 rectangular waveguides 21 respectively with the 2nd power
Input waveguide P2 ..., the 8th power input waveguide P8 matching communicate.
Fig. 2 and Fig. 4 is please referred to, the operation principle of above-mentioned waveguide power synthesizer is：Two 20KW are first synthesized into 40KW, the
1 power input waveguide P1, the 2nd power input waveguide P2 and a 21 T-shaped structure of rectangular waveguide, in order to by transmitter one and hair
The power for penetrating machine two does not have lossy synthesis output port, needs to keep transmitter one and transmitter two to synthesis output port
Transmission coefficient is -3.01dB (1:1dB), the width and thickness, 4 and of allotment column of two metal derbies 1 are obtained by simulation calculation
The position of metal derby 27 makes the transmission coefficient of transmitter be maintained at predetermined value, and ensures the standing-wave ratio of synthesis output port very
It is small, transmitter one and transmitter two it is synthetic after, synthesis power be 40KW.
Fig. 3 and Fig. 5 is please referred to, the synthesis power of transmitter one and transmitter two and the power 20KW of transmitter three are continued
Synthesis, two rectangular waveguides 21 and the T-shaped structures of third power input waveguide P3, in order to which power does not have lossy synthesis, need
Design transmission coefficient is -4.78dB (2:1) it, is set with the power combining methods of transmitter one and transmitter two and by emulation
Meter obtains the width and thickness of two metal derbies 1, and passes through the position for adjusting allotment column 4 and metal derby 27, makes transmitter
Transmission coefficient is maintained at predetermined value, and ensures the standing-wave ratio very little of synthesis output port.
Fig. 6~10 are please referred to, similarly, are continued transmitter four, transmitter five, transmitter six, transmitter seven, transmitter eight
The 20KW power of transmitting continues to synthesize with synthesis power before respectively.Transmission coefficient is respectively -6.02dB (3:1)、-6.98dB
(4:1)、-7.78dB(5:1)、-8.45dB(6:1)、-9.03dB(7:1), at the same by the size design of two metal derbies 1,
Metal derby 27 and the position adjustment for allocating column 4, make the transmission coefficient of transmitter be maintained at predetermined value, and ensure synthesis output
The standing-wave ratio very little of port finally obtains general power as 160KW.
Above-mentioned power waveguide power combiner due to being equipped with allotment column 4, adjusting window 6 and metal derby 27, can pass through
The cooperation of column 4, the different location for adjusting window 6 and metal derby 27 is allocated, realizes the power combing of different proportion, flexible adjustment,
Adaptability is stronger.
Embodiment 2
The present embodiment and the distinctive points of embodiment 1 are in the numerical value of general power and the quantity of input waveguide.
In the present embodiment, n 10.General power is 200KW, needs 10 input waveguides, and ten transmitters is needed to carry out altogether
Power combing, transmission coefficient are respectively -3.01dB (2:1)、-4.78dB(3:1)、-6.02dB(4:1)、-6.98dB(5:1)、-
7.78dB(6:1)、-8.45dB(7:1)、-9.03dB(8:1)、-9.54dB(9:1)、-10dB(10:1)。
Claims (5)
1. a kind of waveguide power synthesizer, which is characterized in that including multiple power input waveguides (1), power synthesizer (2) and
General power output waveguide (3), multiple power input waveguides (1) include the 1st power input waveguide (P1), the 2nd power input
Waveguide (P2) ..., the n-th power input waveguide (Pn), the 1st power input waveguide (P1) is connected to the power synthesizer
(2) one end, the general power output waveguide (3) are connected to the power synthesizer (2) other end；
The 2nd power input waveguide (P2) ..., the n-th power input waveguide (Pn) all with the power synthesizer (2)
Vertically communicate setting；The rectangular waveguide (21) communicated in the power synthesizer (2) including n-2 level, the rectangular wave
It leads and allotment column (4) is equipped in (21)；Wherein, n is 3~12 natural number.
2. waveguide power synthesizer according to claim 1, which is characterized in that the 2nd power input waveguide
(P2) ..., the n-th power input waveguide (Pn) and the inner wall of the power synthesizer (2) communicating position both sides are set respectively
There is the metal derby one (5) of horizontal direction, formed between two metal derbies one (5) and adjust window (6).
3. waveguide power synthesizer according to claim 2, which is characterized in that the thickness of the metal derby one (5) for 8~
12mm。
4. the waveguide power synthesizer according to claims 1 to 3 any one, which is characterized in that the 1st power input
Waveguide (P1) and communicating position top, two rectangular waveguide (21) the communicating position tops of the rectangular waveguide (21) are all set
There is the metal derby two (7) of vertical direction.
5. the waveguide power synthesizer according to claims 1 to 3 any one, which is characterized in that n is 8 or 10.
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| CN201721721854.4U CN207542371U (en) | 2017-12-12 | 2017-12-12 | A kind of waveguide power synthesizer |
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| CN201721721854.4U CN207542371U (en) | 2017-12-12 | 2017-12-12 | A kind of waveguide power synthesizer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819181A (en) * | 2017-12-12 | 2018-03-20 | 江苏德是和通信科技有限公司 | A kind of waveguide power synthesizer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107819181A (en) * | 2017-12-12 | 2018-03-20 | 江苏德是和通信科技有限公司 | A kind of waveguide power synthesizer |
| CN107819181B (en) * | 2017-12-12 | 2023-12-15 | 江苏德是和通信科技有限公司 | Waveguide power synthesizer |
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