CN108258377A - A kind of T-shaped coaxial power splitter - Google Patents
A kind of T-shaped coaxial power splitter Download PDFInfo
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- CN108258377A CN108258377A CN201711345237.3A CN201711345237A CN108258377A CN 108258377 A CN108258377 A CN 108258377A CN 201711345237 A CN201711345237 A CN 201711345237A CN 108258377 A CN108258377 A CN 108258377A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P5/00—Coupling devices of the waveguide type
- H01P5/12—Coupling devices having more than two ports
- H01P5/16—Conjugate devices, i.e. devices having at least one port decoupled from one other port
- H01P5/18—Conjugate devices, i.e. devices having at least one port decoupled from one other port consisting of two coupled guides, e.g. directional couplers
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Abstract
The present invention relates to a kind of T-shaped coaxial power splitters, and inner wire I is saved including first segment inner wire I, third section inner wire I and second;It is fixedly connected between the section inner wire I of first segment inner wire I and second, between the second section inner wire I and third section inner wire I;The periphery of first segment inner wire I is nested with the second section inner wire II be coaxial therewith and cylindrical and third section inner wire II;The second section inner wire II is located between the second section inner wire I and third section inner wire II, and end of the second section inner wire II far from the second section inner wire I is fixedly connected with the one end of third section inner wire II;The second section inner wire II and second is equipped with gap between saving inner wire I, and the interior diameter of third section inner wire II is less than the interior diameter of the second section inner wire II.The coaxial power splitter high pressure of the present invention, breakdown characteristics are strong, and are easy to port Impedance matching, can directly be connected with high-power device, meet the requirement of high power circuit.
Description
Technical field
The invention belongs to radar communication design fields, in particular relate to a kind of T-shaped coaxial power splitter.
Background technology
Coaxial power splitter is a kind of will to be divided into two-way or the equal or unequal energy of multiple-channel output by input signal energy all the way
Device, also the synthesis of multiple signals energy can be exported all the way in turn, alternatively referred to as combiner, is mainly used in network at this time
Communication.Power splitter plays an important role in modern radar communication Design field.
Traditional power splitter is mostly using micro-strip or strip line structure, and this power splitter is resistance to be forced down, and breakdown characteristics are poor, greatly
Majority is suitable for low-power circuit.But under high power conditions, micro-strip and the power splitter adaptability of strip line structure are weak, it is easy to
Damage, it is difficult to adapt to use frequent high power circuit at this stage.
Invention content
According to problems of the prior art, the present invention provides a kind of T-shaped coaxial power splitter, power splitter pressure resistances
Height, breakdown characteristics are strong, and are easy to port Impedance matching, can directly be connected with high-power device, meet high power
The requirement of circuit.
The present invention uses following technical scheme:
A kind of T-shaped coaxial power splitter, first segment inner wire I be sequentially increased including column and diameter, coaxial, third section
Inner wire I and second saves inner wire I;The second section inner wire I is located in first segment inner wire I and third section inner wire I
Between, first segment inner wire I, second saves to be sequentially connected between inner wire I and third section inner wire I;
The periphery of the first segment inner wire I is arranged with the second section II He of inner wire be coaxial therewith and cylindrical
Third section inner wire II;The second section inner wire II is located between the second section inner wire I and third section inner wire II, the second section
End of the inner wire II far from the second section inner wire I is fixedly connected with the one end of third section inner wire II;In second section
Conductor II and second is equipped with gap between saving inner wire I, and the interior diameter of third section inner wire II is less than the second section inner wire II
Interior diameter;
The first segment inner wire I, second saves inner wire I, third section inner wire I, second saves inner wire II and third section
The periphery of inner wire II is equipped with the cylindric outer conductor coaxial with first segment inner wire I;The first segment inner wire I and third section
Feed mouth is formed between inner wire II, first point of port is formed between the third section inner wire I and outer conductor, is led in third section
Second point of port is formed between body II and outer conductor.
Preferably, the first segment inner wire I, second saves inner wire I, third section inner wire I, second saves II and of inner wire
Third section inner wire II is exposed copper conductor.
It is further preferred that with second to save the overall diameter of inner wire II, length homogeneous for the diameter of the second section inner wire I
Deng;The diameter of the third section inner wire I and the overall diameter of third section inner wire II are equal in length.
Still more preferably, a diameter of rnx1 of the first segment inner wire I, second saves in the section of inner wire II and second
Gap width between conductor I is hf, the overall diameter of the diameter of the second section inner wire I and the second section inner wire II be rnx2,
Length is hnx2, and the interior diameter of the second section inner wire II is rwx1, third section inner wire I and third section inner wire II it is straight
Diameter is rnx3, length hnx3, and the interior diameter of outer conductor is rwx2;The rnx1, hf, rnx2, hnx2, rwx1, rnx3,
The size of hnx3, rwx2 are adjustable.
The beneficial effects of the present invention are:
1) coaxial power splitter of the invention includes first segment inner wire I, third section inner wire I and second saves inner wire I, the
Two section inner wires II and third section inner wire II;By the nesting between above-mentioned each conductor and the cooperation of connection, so as to form this
The structure type of the coaxial power splitter of invention;Electromagnetic wave saves the gap between inner wire I by the second section inner wire II and second
It is divided into two, in addition exposed inner wire plays a part of electromagnetic wave impedance matching and adjusts resonant frequency, realizes this hair
Input signal energy all the way is divided into the function of two-way energy by bright coaxial power splitter.Power splitter high pressure, the breakdown characteristics
By force, and it is easy to port Impedance matching, can be directly connected with high-power device, the use for meeting high power circuit will
It asks.
2) in coaxial power splitter of the invention, a diameter of rnx1 of first segment inner wire I, the second section inner wire II and second
It is hf to save the gap width between inner wire I, and the diameter and the second overall diameter for saving inner wire II of the second section inner wire I are
Rnx2, length are hnx2, and the interior diameter of the second section inner wire II is rwx1, third section inner wire I and third section inner wire
II a diameter of rnx3, length hnx3, the interior diameter of outer conductor is rwx2;Adjust rnx1, hf, rnx2, hnx2, rwx1,
The size of rnx3, hnx3, rwx2 can adjust the impedance operator of the coaxial power splitter of the present invention so that it can according to need of work
To realize the design of different coaxial power splitters.
Description of the drawings
Fig. 1 is the structure sectional view of the coaxial power splitter of the present invention.
Fig. 2 is the parameter mark figure of the coaxial power splitter of the present invention.
Fig. 3 is that the signal of the coaxial power splitter of the present invention moves towards schematic diagram.
Fig. 4 is the return loss S11 figures of the feed mouth of the coaxial power splitter of the embodiment of the present invention.
Fig. 5 is first point of port of coaxial power splitter of the embodiment of the present invention and the transmission curve figure of second point of port.
Reference numeral:1- first segments inner wire I, 2- second save inner wire I, 3- third sections inner wire I, and 4- second saves interior lead
Body II, 5- third sections inner wire II, 6- outer conductors.
Specific embodiment
Below in conjunction with the attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without making creative work
Embodiment shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of T-shaped coaxial power splitter, first segment inner wire be sequentially increased including column diameters, coaxial
I 1, third section inner wire I 3 and second saves inner wire I 2;The second section inner wire I 2 is located at first segment inner wire I 1 and third
The centre of inner wire I 3 is saved, first segment inner wire I 1, second saves to be sequentially connected between inner wire I 2 and third section inner wire I 3;
The periphery of the first segment inner wire I 1 is nested with the second section inner wire II 4 be coaxial therewith and cylindrical
With third section inner wire II 5;The second section inner wire II 4 is located between the second section inner wire I 2 and third section inner wire II 5,
End of the second section inner wire II 4 far from the second section inner wire I 2 is fixedly connected with the one end of third section inner wire II 5;It is described
Second section inner wire II 4 and second is equipped with gap between saving inner wire I 2, and the interior diameter of third section inner wire II 5 is less than the second section
The interior diameter of inner wire II 4;
The first segment inner wire I 1, second saves inner wire I 2, third section inner wire I 3, second saves inner wire II 4 and the
The periphery of three section inner wires II 5 is equipped with the cylindric outer conductor 6 coaxial with first segment inner wire I 1;The first segment inner wire I 1
Feed mouth is formed between third section inner wire II 5, first point of end is formed between the third section inner wire I 3 and outer conductor 6
Mouthful, second point of port is formed between third section inner wire II 5 and outer conductor 6.
As shown in figure 4, it is led in the first segment inner wire I 1, second saves inner wire I 2, third section inner wire I 3, second saves
Body II 4 and third section inner wire II 5 are exposed copper conductor.
The diameter of the second section inner wire I 2 saves the overall diameter of inner wire II 4 with second, is equal in length;The third
It saves the diameter of inner wire I 3 and the overall diameter of third section inner wire II 5, be equal in length.
A diameter of rnx1 of the first segment inner wire I 1, the second section inner wire II 4 and second are saved between inner wire I 2
Gap width is hf, and the overall diameter of the diameter of the second section inner wire I 2 and the second section inner wire II 4 is that rnx2, length are
Hnx2, the interior diameter of the second section inner wire II 4 is rwx1, third section inner wire I 3 and third section inner wire II 5 it is a diameter of
Rnx3, length hnx3, the interior diameter of outer conductor 6 is rwx2;The rnx1, hf, rnx2, hnx2, rwx1, rnx3, hnx3,
The size of rwx2 is adjustable.
The antenna in the present invention is illustrated with reference to embodiment.
Embodiment 1:
The working frequency range of the coaxial power splitter of the present embodiment is 1GHz~1.1GHz, feeds 50 ohm, first point of mouth impedance
Port and second point of port Impedance are 100 ohm.
As shown in Fig. 2, the diameter rnx1=1.75mm of the first segment inner wire I 1 of the coaxial power splitter of the present embodiment, second
Save the gap width hf=10mm between the section inner wire I 2 of inner wire II 4 and second;The diameter and second of second section inner wire I 2
Save overall diameter rnx2=7.6mm, the length hnx2=55mm, the interior diameter rwx1=of the second section inner wire II 4 of inner wire II 4
4mm;The diameter rnx3=3.3mm of third section inner wire I 3 and third section inner wire II 5, length hnx3=20mm, outer conductor 6
Interior diameter rwx2=17.5mm.
As shown in figure 3, electromagnetic wave is fed at the feed mouth A between first segment inner wire I 1 and third section inner wire II 5,
It is entered in the second section inner wire II 4 and first segment by the gap between first segment inner wire I 1 and third section inner wire II 5
Gap between conductor I 1, then the gap between inner wire I 2 is saved by the second section inner wire II 4 and second and is divided into two, herein
The exposed inner wire of first segment inner wire I II 4 and first segment inner wire I 1 plays electromagnetic wave impedance matching and adjusts resonance
The effect of frequency;The electromagnetic wave of both direction is respectively towards close to the direction of third section inner wire I 3 and third section inner wire II 5
Transmission, the electromagnetic wave in a final direction by output first point of port B between third section inner wire I 3 and outer conductor 6 at,
The electromagnetic wave in another direction is realized by being exported at second point of port C between third section inner wire II 5 and outer conductor 6
Input signal energy all the way is divided into the function of two-way energy by the coaxial power splitter of the present embodiment.
Illustrate the working performance of the coaxial power splitter of the present embodiment below by emulation.
As shown in figure 4, Fig. 4 is the return loss S11 figures of the feed mouth of the coaxial power splitter of the present embodiment.It can be obtained by Fig. 4,
The coaxial power splitter of the present embodiment is in the working band of 1GHz~1.1GHz, in the relative bandwidth more than 10%, feeds mouth
Return loss all in -23dB hereinafter, illustrate feed mouth impedance be highly susceptible to matching.
As shown in figure 5, Fig. 5 is first point of port of coaxial power splitter of the embodiment of the present invention and the transmission of second point of port
Curve graph.Can be obtained by Fig. 5, the coaxial power splitter of the present embodiment in the working band of 1GHz~1.1GHz, first point of port and
The amplitude of second point of port entirely rises and falls smaller all in the range of 3.02dB ± 0.2dB with interior Insertion Loss;In centre frequency
The amplitude of first point of port and second point of port at 1.06GHz is 3.02dB, and theoretical value is 3dB, so the power splitter
Insertion Loss only has 0.02dB, and Insertion Loss is very small, therefore the transmission performance of the coaxial power splitter of the embodiment of the present invention is excellent, reaches telecommunication
On design requirement, disclosure satisfy that the requirement of high power circuit.
In conclusion the present invention provides a kind of T-shaped coaxial power splitter, coaxial power splitter high pressure, the breakdown characteristics
By force, and it is easy to port Impedance matching, can be directly connected with high-power device, the use for meeting high power circuit will
It asks.
Claims (4)
1. a kind of T-shaped coaxial power splitter, it is characterised in that:It is led in first segment be sequentially increased including column and diameter, coaxial
Body I (1), third section inner wire I (3) and the second section inner wire I (2);The second section inner wire I (2) is led in first segment
The centre of body I (1) and third section inner wire I (3), first segment inner wire I (1), second are saved leads in inner wire I (2) and third section
It is sequentially connected between body I (3);
The periphery of the first segment inner wire I (1) is arranged with the second section inner wire II (4) be coaxial therewith and cylindrical
With third section inner wire II (5);The second section inner wire II (4) is positioned at the second section inner wire I (2) and third section inner wire II
(5) between, end and one end of third section inner wire II (5) of the second section inner wire II (4) far from the second section inner wire I (2)
Portion is fixedly connected;Gap, third section inner wire II are equipped between the second section inner wire II (4) and the second section inner wire I (2)
(5) interior diameter is less than the interior diameter of the second section inner wire II (4);
The first segment inner wire I (1), the second section inner wire I (2), third section inner wire I (3), the second section inner wire II (4)
The cylindric outer conductor (6) coaxial with first segment inner wire I (1) is equipped with the periphery of third section inner wire II (5);Described first
It saves and feed mouth, the third section inner wire I (3) and outer conductor (6) is formed between inner wire I (1) and third section inner wire II (5)
Between formed first point of port, between third section inner wire II (5) and outer conductor (6) formation second point of port.
2. the T-shaped coaxial power splitter of one kind according to claim 1, it is characterised in that:The first segment inner wire I (1),
Two section inner wires I (2), third section inner wire I (3), the second section inner wire II (4) and third section inner wire II (5) are exposed
Copper conductor.
3. the T-shaped coaxial power splitter of one kind according to claim 1 or 2, it is characterised in that:The second section inner wire I (2)
Diameter with second section inner wire II (4) overall diameter, be equal in length;The diameter and third of the third section inner wire I (3)
The overall diameter of section inner wire II (5) is equal in length.
4. the T-shaped coaxial power splitter of one kind according to claim 3, it is characterised in that:The first segment inner wire I (1)
A diameter of rnx1, the gap width between the second section inner wire II (4) and the second section inner wire I (2) are hf, and second saves inner wire
It is hnx2 that the overall diameter of the diameter of I (2) and the second section inner wire II (4), which is rnx2, length, the second section inner wire II (4)
Interior diameter be rwx1, third section inner wire I (3) and third section inner wire II (5) a diameter of rnx3, length hnx3,
The interior diameter of outer conductor (6) is rwx2;The size of described rnx1, hf, rnx2, hnx2, rwx1, rnx3, hnx3, rwx2 are adjustable
Section.
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CN201711345237.3A CN108258377B (en) | 2017-12-15 | 2017-12-15 | T-shaped coaxial power divider |
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CN201711345237.3A CN108258377B (en) | 2017-12-15 | 2017-12-15 | T-shaped coaxial power divider |
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CN108258377A true CN108258377A (en) | 2018-07-06 |
CN108258377B CN108258377B (en) | 2020-04-14 |
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Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201345406Y (en) * | 2009-01-20 | 2009-11-11 | 段廷逵 | Chamber power divider |
CN204577547U (en) * | 2015-05-19 | 2015-08-19 | 深圳市浩丰科技股份有限公司 | A kind of communication cavity component |
CN104900958A (en) * | 2014-10-06 | 2015-09-09 | 合肥佳瑞林电子技术有限公司 | Power divider |
RU2621887C1 (en) * | 2016-03-21 | 2017-06-07 | Акционерное общество "Научно-производственная фирма "Микран" | Ultra-wideband microstrip power divider |
-
2017
- 2017-12-15 CN CN201711345237.3A patent/CN108258377B/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201345406Y (en) * | 2009-01-20 | 2009-11-11 | 段廷逵 | Chamber power divider |
CN104900958A (en) * | 2014-10-06 | 2015-09-09 | 合肥佳瑞林电子技术有限公司 | Power divider |
CN204577547U (en) * | 2015-05-19 | 2015-08-19 | 深圳市浩丰科技股份有限公司 | A kind of communication cavity component |
RU2621887C1 (en) * | 2016-03-21 | 2017-06-07 | Акционерное общество "Научно-производственная фирма "Микран" | Ultra-wideband microstrip power divider |
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