CN206564313U - A kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab - Google Patents

A kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab Download PDF

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Publication number
CN206564313U
CN206564313U CN201720052737.7U CN201720052737U CN206564313U CN 206564313 U CN206564313 U CN 206564313U CN 201720052737 U CN201720052737 U CN 201720052737U CN 206564313 U CN206564313 U CN 206564313U
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line
slab
rabbet joint
dielectric
layer
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Chinese (zh)
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王世伟
郑炳龙
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South China University of Technology SCUT
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South China University of Technology SCUT
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Abstract

The utility model discloses a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab, including at least three layers dielectric-slab, first wave guide feed port and second waveguide feed port, the line of rabbet joint is provided with every layer of dielectric-slab, the dielectric-slab for being provided with the line of rabbet joint from left to right stacks gradually to form a closed annular housing, the line of rabbet joint on the first layer dielectric-slab of the left side is connected with first wave guide feed port, the line of rabbet joint on the first layer dielectric-slab of the right is connected with second waveguide feed port, and the line of rabbet joint on the dielectric-slab carries out copper facing or copper-coating.The utility model by adjust the number of plies of dielectric-slab, on All Media plate the line of rabbet joint size, and the position in feed coupling gap, the multimode of wave filter and the position of transmission zero can be controlled, whole wave filter has the advantages that simple in construction, handling ease, performance are good, the requirement of communication system is disclosure satisfy that, and is had a wide range of application.

Description

A kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab
Technical field
The utility model is related to a kind of cavity body filter, especially a kind of annular chamber stacked based on multilayer grooved dielectric-slab Fluid filter, belongs to wireless communication field.
Background technology
Microwave filter is transmitting terminal and the essential device of receiving terminal in Modern Communication System, and it plays separation to signal Effect, allows useful signal is as zero-decrement as possible to pass through, and suppressing it to the big decay as far as possible of useless signal passes through.With Frequency band between the development of wireless communication technology, signal is more and more narrow, and this just proposes higher to the specification and reliability of wave filter Requirement.Rectangular cavities wave filter has that high frequency selectivity, filter with low insertion loss, power capacity be big, steady performance and have There is very high application value.The passband that many scholars produce multimode to cavity body filter is studied, by adjusting resonator Between coupling change separation multimode, produce transmission zero, further improve band logical performance.
According to investigations with understanding, disclosed prior art is as follows:
Nineteen ninety, F.Arnd proposes the concept of wave filter disresonance mould first.In the exploratory development of follow-up scholar, profit With the concept of disresonance mould, multimode of the metallic cavity wave filter in transmission characteristic and transmission zero are realized.Existing rank The multimode of Duan Zhilie type Metal cavities and the main implementation method of transmission zero, be in source incentive mode TE10, source Cavity is coupled with filter cavity by aperture, changes the position in aperture and the size of Metal cavity, humorous to encourage Shake mould TM120, TM210 mould and disresonance mould TM11, because disresonance mould has transmission effect to energy so that energy transfer process In there is multipath, and realize transmission zero.Meanwhile, the presence of resonant mode causes there are multiple transmission modes in transmission passband.
Utility model content
The purpose of this utility model is to be situated between to solve the defect of above-mentioned prior art there is provided one kind based on multilayer grooved The annular housing wave filter that scutum is stacked, the wave filter has the advantages that simple in construction, handling ease, performance are good, disclosure satisfy that The requirement of communication system, and have a wide range of application.
The purpose of this utility model can be reached by adopting the following technical scheme that:
A kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab, including at least three layers dielectric-slab, first wave Lead and be provided with the line of rabbet joint on feed port and second waveguide feed port, every layer of dielectric-slab, be provided with the dielectric-slab of the line of rabbet joint from left to right according to The secondary line of rabbet joint formed on a closed annular housing, left side first layer dielectric-slab that stacks is connected with first wave guide feed port, The line of rabbet joint on the first layer dielectric-slab of the right is connected with second waveguide feed port, and the line of rabbet joint on the dielectric-slab carries out copper facing or heavy Copper treatment.
As a kind of preferred scheme, when the dielectric-slab is 2n+1 layers, the upper and lower part difference of middle one layer of dielectric-slab It is provided with the line of rabbet joint;Wherein, n is natural number;
As n=1, the left part of left side first layer dielectric-slab is provided with the line of rabbet joint being connected with first wave guide feed port, right part It is provided with that upper end is flushed with middle one layer of dielectric-slab top line of rabbet joint upper end, lower end is flushed with centre one layer of dielectric-slab bottom line of rabbet joint lower end The line of rabbet joint, be connected between the line of rabbet joint of left side first layer dielectric-slab left part and the line of rabbet joint of right part;The right side of the right first layer dielectric-slab Portion is provided with the line of rabbet joint of second waveguide feed port connection, and it is neat that left part is provided with upper end and middle one layer of dielectric-slab top line of rabbet joint upper end The line of rabbet joint that flat, lower end is flushed with middle one layer of dielectric-slab bottom line of rabbet joint lower end, the line of rabbet joint of the right first layer dielectric-slab right part and a left side It is connected between the line of rabbet joint in portion;The line of rabbet joint of left side first layer dielectric-slab right part, the line of rabbet joint of the right first layer dielectric-slab left part with Middle one layer of the dielectric-slab top line of rabbet joint, bottom line of rabbet joint are connected;
It is other in addition to middle one layer of dielectric-slab, left side first layer dielectric-slab and the right first layer dielectric-slab as n >=2 Be provided with dielectric-slab upper end flushed with middle one layer of dielectric-slab top line of rabbet joint upper end, lower end and middle one layer of dielectric-slab lower channel The line of rabbet joint that line lower end is flushed;The line of rabbet joint being connected with first wave guide feed port, the right first are provided with the first layer dielectric-slab of the left side The line of rabbet joint being connected with second waveguide feed port is provided with layer dielectric-slab;Using middle one layer of dielectric-slab as boundary line, the left side is all to be situated between The line of rabbet joint on scutum be sequentially connected it is logical, the line of rabbet joint on the All Media plate of the right be sequentially connected it is logical, it is adjacent with middle one layer of dielectric-slab Two layer medium plate on the line of rabbet joint be connected with middle one layer of the dielectric-slab top line of rabbet joint, bottom line of rabbet joint.
As a kind of preferred scheme, when the dielectric-slab is 2n+2 layers, the upper and lower part difference of middle two layer medium plate It is provided between the line of rabbet joint, the top line of rabbet joint of middle two layer medium plate and is connected, is connected between the bottom line of rabbet joint of middle two layer medium plate It is logical;Wherein, n is natural number;
As n=1, the left part of left side first layer dielectric-slab is provided with the line of rabbet joint being connected with first wave guide feed port, right part It is provided with that upper end is flushed with middle two layer medium plate top line of rabbet joint upper end, lower end is flushed with centre two layer medium plate bottom line of rabbet joint lower end The line of rabbet joint, be connected between the line of rabbet joint of left side first layer dielectric-slab left part and the line of rabbet joint of right part;The right side of the right first layer dielectric-slab Portion is provided with the line of rabbet joint of second waveguide feed port connection, and it is neat that left part is provided with upper end and middle two layer medium plate top line of rabbet joint upper end The line of rabbet joint that flat, lower end is flushed with middle two layer medium plate bottom line of rabbet joint lower end, the line of rabbet joint of the right first layer dielectric-slab right part and a left side It is connected between the line of rabbet joint in portion;The line of rabbet joint of left side first layer dielectric-slab right part, the line of rabbet joint of the right first layer dielectric-slab left part with The middle two layer medium plate top line of rabbet joint, the bottom line of rabbet joint are connected;
It is other in addition to middle two layer medium plate, left side first layer dielectric-slab and the right first layer dielectric-slab as n >=2 Be provided with dielectric-slab upper end flushed with middle two layer medium plate top line of rabbet joint upper end, lower end and middle two layer medium plate lower channel The line of rabbet joint that line lower end is flushed;The line of rabbet joint being connected with first wave guide feed port, the right first are provided with the first layer dielectric-slab of the left side The line of rabbet joint being connected with second waveguide feed port is provided with layer dielectric-slab;Using middle two layer medium plate as boundary line, the left side is all to be situated between The line of rabbet joint on scutum be sequentially connected it is logical, the line of rabbet joint on the All Media plate of the right be sequentially connected it is logical, it is adjacent with middle two layer medium plate Two layer medium plate on the line of rabbet joint be connected with the middle two layer medium plate top line of rabbet joint, the bottom line of rabbet joint.
As a kind of preferred scheme, the first wave guide feed port and second waveguide feed port feed for rectangular waveguide Port.
Multiple first screw holes are also provided with as a kind of preferred scheme, on every layer of dielectric-slab, pass through screw and the first screw Hole, which coordinates, to be fixed together All Media plate to form closed annular housing.
Four the second screw holes, the first wave guide feed end are also provided with as a kind of preferred scheme, on every layer of dielectric-slab Four edges of mouth have the 3rd screw hole, and four edges of the second waveguide feed port have the 4th Screw hole, the position of four the second screw holes is corresponding with the position of four the 3rd screw holes, four the 4th screw holes, passes through spiral shell Nail coordinates with the 3rd screw hole, the second screw hole and the 4th screw hole successively feeds first wave guide feed port, second waveguide Port is separately fixed on annular housing.
As a kind of preferred scheme, the first wave guide feed port and second waveguide feed port are symmetrical, the left side With second waveguide feed end on the line of rabbet joint and the right first layer dielectric-slab being connected on one layer of dielectric-slab with first wave guide feed port The line of rabbet joint of mouth connection is symmetrical.
As a kind of preferred scheme, the line of rabbet joint on the dielectric-slab is the rectangle line of rabbet joint.
As a kind of preferred scheme, the dielectric-slab is pcb board.
The utility model has following beneficial effect relative to prior art:
1st, wave filter of the present utility model from left to right stacks gradually to form one by the dielectric-slab of at least three layers fluting Closed annular housing, and be connected by the line of rabbet joint on left and right side first layer dielectric-slab with waveguide feed port, it is situated between by adjusting The size (size for adjusting annular housing) of the line of rabbet joint in the number of plies (i.e. the number of rings of annular housing) of scutum, All Media plate, with And on left side first layer dielectric-slab, the right first layer dielectric-slab the line of rabbet joint position (i.e. feed coupling gap position), can control The multimode of wave filter processed and the position of transmission zero, whole wave filter have the advantages that simple in construction, handling ease, performance are good, The requirement of communication system is disclosure satisfy that, and is had a wide range of application.
2nd, wave filter of the present utility model is in 9.96~10.04GHz frequency range, | S11 | value all -10dB with Under, and have two or more (being determined by the quantity of dielectric-slab) obvious resonance point, it is seen that it is the multimode cavity with transmission zero Fluid filter, the features such as disclosure satisfy that high selectivity, high q-factor, design and process simple is realizing the same of good filtering performance When, its is simple in construction, is easy to processing to realize.
Brief description of the drawings
Fig. 1 is the annular housing filter construction schematic diagram of the utility model embodiment 1.
Fig. 2 is the annular housing filter construction front view of the utility model embodiment 1.
Fig. 3 is the annular housing filter construction left view of the utility model embodiment 1.
Fig. 4 is the annular housing filter construction top view of the utility model embodiment 1.
Fig. 5 for the utility model embodiment 1 annular housing wave filter in five layers of dielectric-slab decomposing schematic representation.
Fig. 6 is the Electromagnetic Simulation curve map of the annular housing filter freguency response of the utility model embodiment 1.
Fig. 7 is the machining sketch chart of the annular housing wave filter of the utility model embodiment 1.
Wherein, 1- first wave guides feed port, 2- second waveguide feed ports, 3- first medium plates, 4- second medium plates, The dielectric-slabs of 5- the 3rd, the dielectric-slabs of 6- the 4th, the dielectric-slabs of 7- the 5th, the line of rabbet joint of 8- first, the line of rabbet joint of 9- second, 10- third slot lines, 11- 4th line of rabbet joint, the line of rabbet joint of 12- the 5th, the line of rabbet joint of 13- the 6th, the screw holes of 14- first, the screw holes of 15- second, the screw holes of 16- the 3rd, The screw holes of 17- the 4th.
Embodiment
The utility model is described in further detail with reference to embodiment and accompanying drawing, but implementation of the present utility model Mode not limited to this.
Embodiment 1:
As shown in Fig. 1~Fig. 5, the annular housing wave filter of the present embodiment includes five layers of dielectric-slab, first wave guide feed end Mouth 1 and second waveguide feed port 2, five layers of dielectric-slab is respectively first medium plate 3, second medium plate 4, the 3rd dielectric-slab 5th, the 4th dielectric-slab 6 and the 5th dielectric-slab 7.
The first medium plate 3 is left side first layer dielectric-slab, is provided with first line of rabbet joint 8, the second medium plate 4 and is provided with Second line of rabbet joint 9, the 3rd dielectric-slab 5 is middle one layer of dielectric-slab, and top is provided with third slot line 10, and bottom is provided with the 4th line of rabbet joint 11, the 5th line of rabbet joint 12 is provided with the 4th dielectric-slab 6, the 5th dielectric-slab 7 is the right first layer dielectric-slab, is provided with the 6th The line of rabbet joint 13, second line of rabbet joint 9, the upper end of the 5th line of rabbet joint 12 are flushed with the upper end of third slot line 10, second line of rabbet joint 9, The lower end of five line of rabbet joint 12 is flushed with the lower end of the 4th line of rabbet joint 11, to first line of rabbet joint 8, second line of rabbet joint 9, third slot line 10, the 4th line of rabbet joint 11st, the 5th line of rabbet joint 12 and the 6th line of rabbet joint 13 carry out copper facing or copper-coating so that each line of rabbet joint is closed, by first medium plate 3, second Dielectric-slab 4, the 3rd dielectric-slab 5, the 4th dielectric-slab 6 and the 5th dielectric-slab 7 are from left to right stacked successively, due to second line of rabbet joint 9th, the 5th line of rabbet joint 12 is connected with third slot line 10, the 4th line of rabbet joint 11, therefore five layers of dielectric-slab form a closed ring Shape cavity.
Because first medium plate 3 is left side first layer dielectric-slab, so first line of rabbet joint 8 couples gap as the first feed, First line of rabbet joint 8 is connected with first wave guide feed port 1, and is connected with second line of rabbet joint 9;Because the 5th dielectric-slab 7 is the right First layer dielectric-slab, so the 6th line of rabbet joint 13 couples gap, the 6th line of rabbet joint 13 and second waveguide feed end as the second feed Mouth 2 is connected, and is connected with the 5th line of rabbet joint 12;By adjusting first medium plate 3, second medium plate 4, the 3rd dielectric-slab the 5, the 4th The size size of annular housing (adjust) of the line of rabbet joint on dielectric-slab 6, the 5th dielectric-slab 7, and regulation first medium plate 3, the The position (i.e. the position in feed coupling gap) of the line of rabbet joint on five dielectric-slabs 7, it is possible to achieve the production of the multimode, transmission zero of wave filter Life is simultaneously controlled to Mode Coupling, transmission zero location.
In the present embodiment, the first medium plate 3, second medium plate 4, the 3rd dielectric-slab 5, the 4th dielectric-slab 6 and the 5th Dielectric-slab 7 is that the line of rabbet joint on pcb board, five layers of dielectric-slab is the rectangle line of rabbet joint;The ripple of first wave guide feed port 1 and second Feed port 2 is led for rectangular waveguide feed port, first wave guide feed port 1 and second waveguide feed port 2 are symmetrical, first The line of rabbet joint 12 of the line of rabbet joint 8 and the 5th is symmetrical.
The annular housing wave filter operation principle of the present embodiment is:Energy is inputted from first wave guide feed port 1, passes through One line of rabbet joint 8 (the i.e. first feed coupling gap) transmit energy to inside annular housing (i.e. second line of rabbet joint 9, the 5th line of rabbet joint 12 and Third slot line 10, the part of the 4th line of rabbet joint 11 connection), pass through the 6th line of rabbet joint 13 (the second feed coupling gap) inside annular housing Second waveguide feed port 2 is given the energy to, energy is exported by second waveguide feed port 2.
The Electromagnetic Simulation curve of the annular housing filter freguency response of the present embodiment is as shown in fig. 6, solid line is represented in figure | S11 |, it is the return loss of input port (first wave guide feed port);Dotted line is represented | S21 |, it is input port (first wave Lead feed port) arrive the positive transmission coefficient of output port (second waveguide feed port), it can be seen that 9.96~ In 10.04GHz frequency range, | S11 | value all below -10dB, and have two obvious resonance point (i.e. the 3rd dielectric-slabs With two feed coupling gaps, dual-mode resonator is constituted).
As shown in fig. 7, the annular housing wave filter process of the present embodiment is as follows:
1) divide on first medium plate 3, second medium plate 4, the 3rd dielectric-slab 5, the 4th dielectric-slab 6 and the 5th dielectric-slab 7 Eight the first screw holes 14 are not outputed;
2) first line of rabbet joint 8 for feeding coupling is outputed on first medium plate 3, being outputed on second medium plate 4 is used for Second line of rabbet joint 9 of resonator is served as, the third slot line 10 for connecting front and rear resonator and are outputed on the 3rd dielectric-slab 5 Four line of rabbet joint 11, output the 5th line of rabbet joint 12 for serving as resonator on the 4th dielectric-slab 6, and use is outputed on the 5th dielectric-slab 7 In the 6th line of rabbet joint 13 of feed coupling;
3) divide on first medium plate 3, second medium plate 4, the 3rd dielectric-slab 5, the 4th dielectric-slab 6 and the 5th dielectric-slab 7 Four the second screw holes 15 for fixing first wave guide feed port 1 and second waveguide feed port 2 are not outputed, in first wave Four edges for leading feed port 1 output the 3rd screw hole 16 respectively, in four edges of second waveguide feed port 2 Output the 4th screw hole 17 respectively, the position of four the second screw holes 15 and four the 3rd screw holes 16, four the 4th screw holes 17 position is corresponding;
4) first medium plate 3, second medium plate 4, the 3rd dielectric-slab 5, the 4th dielectric-slab 6 and the 5th dielectric-slab 7 are stacked Get up, coordinated by screw and the first screw hole 14 by first medium plate 3, second medium plate 4, the 3rd dielectric-slab 5, the 4th medium The dielectric-slab 7 of plate 6 and the 5th is fixed together to form closed annular housing, at the same by screw successively with the 3rd screw hole 16, Second screw hole 15 and the 4th screw hole 17, which coordinate, is separately fixed at first wave guide feed port 1, second waveguide feed port 2 On annular housing, whole annular housing wave filter completion of processing is finally tested.
According to above-described embodiment, five layers of dielectric-slab are changed to seven layers of dielectric-slab, nine layers of dielectric-slab, eleventh floor dielectric-slab etc. (the odd number layer i.e. more than five layers), is also same principle, by the number of plies (i.e. the number of rings of annular housing), the institute that adjust dielectric-slab There is the size (size for adjusting annular housing) of the line of rabbet joint on dielectric-slab, and left side first layer dielectric-slab, the right first layer are situated between The position (i.e. the position in feed coupling gap) of the line of rabbet joint on scutum, it is possible to achieve the generation of the multimode, transmission zero of wave filter is simultaneously Mode Coupling, transmission zero location are controlled.
Embodiment 2:
The present embodiment in place of the difference of embodiment 1 with being:Dielectric-slab is three layers, and respectively first medium plate, second are situated between Scutum and the 3rd dielectric-slab, second medium plate is as middle one layer of dielectric-slab, and the upper and lower part of second medium plate has The line of rabbet joint;First medium plate is left side first layer dielectric-slab, and the 3rd dielectric-slab is the right first layer dielectric-slab;First medium plate left part Be provided with the line of rabbet joint being connected with first wave guide feed port, right part be provided with upper end flushed with second medium plate top line of rabbet joint upper end, under The line of rabbet joint flushed with second medium plate bottom line of rabbet joint lower end is held, is connected between the line of rabbet joint of first medium plate left part and the line of rabbet joint of right part It is logical;The right part of 3rd dielectric-slab is provided with the line of rabbet joint of second waveguide feed port connection, and left part is provided with upper end and second medium plate The line of rabbet joint that portion line of rabbet joint upper end is flushed, lower end is flushed with second medium plate bottom line of rabbet joint lower end, the line of rabbet joint of the 3rd dielectric-slab right part and It is connected between the line of rabbet joint of left part;The line of rabbet joint of first medium plate right part, the line of rabbet joint of the 3rd dielectric-slab left part with second medium plate The top line of rabbet joint, the bottom line of rabbet joint are connected.
Embodiment 3:
The present embodiment in place of the difference of embodiment 1 with being:Dielectric-slab is four layers, and respectively first medium plate, second are situated between Scutum and, the 3rd dielectric-slab and the 4th dielectric-slab, second medium plate and the 3rd dielectric-slab be used as middle one layer of dielectric-slab, and second is situated between Scutum, the upper and lower part of the 3rd dielectric-slab have the line of rabbet joint, between second medium plate and the top line of rabbet joint of the 3rd dielectric-slab It is connected, is connected between the bottom line of rabbet joint of second medium plate and the 3rd dielectric-slab;First medium plate is left side first layer medium Plate, the 4th dielectric-slab is the right first layer dielectric-slab;First medium plate left part is provided with the groove being connected with first wave guide feed port Line, right part be provided with upper end flushed with second medium plate, the 3rd dielectric-slab top line of rabbet joint upper end, lower end and second medium plate, the 3rd The line of rabbet joint that dielectric-slab bottom line of rabbet joint lower end is flushed, is connected between the line of rabbet joint of first medium plate left part and the line of rabbet joint of right part;4th The right part of dielectric-slab is provided with the line of rabbet joint of second waveguide feed port connection, and left part is provided with upper end and second medium plate, the 3rd medium The line of rabbet joint that plate top line of rabbet joint upper end is flushed, lower end is flushed with second medium plate, the 3rd dielectric-slab bottom line of rabbet joint lower end, the 4th medium It is connected between the line of rabbet joint of plate right part and the line of rabbet joint of left part;The line of rabbet joint of first medium plate right part with second medium plate upper slot Line, the bottom line of rabbet joint are connected, and the line of rabbet joint of the 4th dielectric-slab left part is connected with the 3rd dielectric-slab top line of rabbet joint, the bottom line of rabbet joint.
Embodiment 4:
The present embodiment in place of the difference of embodiment 1 with being:Dielectric-slab is six layers or the even numbers layer more than six layers, except centre Upper end and centre are provided with other dielectric-slabs outside two layer medium plate, left side first layer dielectric-slab and the right first layer dielectric-slab The line of rabbet joint that two layer medium plate top line of rabbet joint upper end is flushed, lower end is flushed with middle two layer medium plate bottom line of rabbet joint lower end;The left side It is provided with the line of rabbet joint being connected with first wave guide feed port, the right first layer dielectric-slab and is provided with and second waveguide on one layer of dielectric-slab The line of rabbet joint of feed port connection;Using middle two layer medium plate as boundary line, the line of rabbet joint on the All Media plate of the left side is sequentially connected logical, the right side The line of rabbet joint on the All Media plate of side is sequentially connected logical, and the line of rabbet joint on the two layer medium plate adjacent with middle two layer medium plate is with Between the two layer medium plate top line of rabbet joint, the bottom line of rabbet joint be connected.
In summary, wave filter of the present utility model from left to right stacks gradually shape by the dielectric-slab of at least three layers fluting It is connected, passes through with waveguide feed port into a closed annular housing, and by the line of rabbet joint on left and right side first layer dielectric-slab Adjust the number of plies (i.e. the number of rings of annular housing) of dielectric-slab, on All Media plate the line of rabbet joint size (the i.e. chi of regulation annular housing It is very little), and on left side first layer dielectric-slab, the right first layer dielectric-slab the line of rabbet joint position (i.e. feed coupling gap position), It can control the multimode of wave filter and the position of transmission zero, whole wave filter has simple in construction, handling ease, performance good etc. Advantage, disclosure satisfy that the requirement of communication system, and have a wide range of application.
It is described above, only the utility model patent preferred embodiment, but the utility model patent protection domain simultaneously This is not limited to, any one skilled in the art is in the scope disclosed in the utility model patent, according to this Technical scheme and its utility model design of utility model patent are subject to equivalent substitution or change, belong to the utility model patent Protection domain.

Claims (9)

1. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab, it is characterised in that:Including at least three layers medium Be provided with the line of rabbet joint on plate, first wave guide feed port and second waveguide feed port, every layer of dielectric-slab, be provided with the dielectric-slab of the line of rabbet joint from It is left-to-right to stack gradually to form a closed annular housing, the line of rabbet joint and first wave guide feed end on the first layer dielectric-slab of the left side The line of rabbet joint on mouth connection, the right first layer dielectric-slab is connected with second waveguide feed port, and the line of rabbet joint on the dielectric-slab is carried out Copper facing or copper-coating.
2. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim 1, its feature is existed In:When the dielectric-slab is 2n+1 layers, the upper and lower part of middle one layer of dielectric-slab has the line of rabbet joint;Wherein, n is nature Number;
As n=1, the left part of left side first layer dielectric-slab is provided with the line of rabbet joint being connected with first wave guide feed port, and right part is provided with The groove that upper end is flushed with middle one layer of dielectric-slab top line of rabbet joint upper end, lower end is flushed with middle one layer of dielectric-slab bottom line of rabbet joint lower end Line, is connected between the line of rabbet joint of left side first layer dielectric-slab left part and the line of rabbet joint of right part;The right part of the right first layer dielectric-slab is opened Have a line of rabbet joint that second waveguide feed port is connected, left part be provided with upper end flushed with centre one layer of dielectric-slab top line of rabbet joint upper end, under Hold the line of rabbet joint flushed with middle one layer of dielectric-slab bottom line of rabbet joint lower end, the line of rabbet joint of the right first layer dielectric-slab right part and the groove of left part It is connected between line;The line of rabbet joint of left side first layer dielectric-slab right part, the line of rabbet joint of the right first layer dielectric-slab left part with centre one The layer dielectric-slab top line of rabbet joint, the bottom line of rabbet joint are connected;
As n >=2, other media in addition to middle one layer of dielectric-slab, left side first layer dielectric-slab and the right first layer dielectric-slab Be provided with plate upper end flushed with middle one layer of dielectric-slab top line of rabbet joint upper end, lower end with middle one layer of dielectric-slab bottom line of rabbet joint Hold the line of rabbet joint flushed;The line of rabbet joint being connected with first wave guide feed port is provided with the first layer dielectric-slab of the left side, the right first layer is situated between The line of rabbet joint being connected with second waveguide feed port is provided with scutum;Using middle one layer of dielectric-slab as boundary line, left side All Media plate On the line of rabbet joint be sequentially connected logical, the line of rabbet joint on the All Media plate of the right is sequentially connected logical, adjacent with middle one layer of dielectric-slab two The line of rabbet joint on layer dielectric-slab is connected with middle one layer of the dielectric-slab top line of rabbet joint, bottom line of rabbet joint.
3. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim 1, its feature is existed In:When the dielectric-slab is 2n+2 layers, the upper and lower part of middle two layer medium plate has the line of rabbet joint, middle two layer medium plate The top line of rabbet joint between be connected, be connected between the bottom line of rabbet joint of middle two layer medium plate;Wherein, n is natural number;
As n=1, the left part of left side first layer dielectric-slab is provided with the line of rabbet joint being connected with first wave guide feed port, and right part is provided with The groove that upper end is flushed with middle two layer medium plate top line of rabbet joint upper end, lower end is flushed with middle two layer medium plate bottom line of rabbet joint lower end Line, is connected between the line of rabbet joint of left side first layer dielectric-slab left part and the line of rabbet joint of right part;The right part of the right first layer dielectric-slab is opened Have a line of rabbet joint that second waveguide feed port is connected, left part be provided with upper end flushed with centre two layer medium plate top line of rabbet joint upper end, under Hold the line of rabbet joint flushed with middle two layer medium plate bottom line of rabbet joint lower end, the line of rabbet joint of the right first layer dielectric-slab right part and the groove of left part It is connected between line;The line of rabbet joint of left side first layer dielectric-slab right part, the line of rabbet joint of the right first layer dielectric-slab left part with centre two The layer dielectric-slab top line of rabbet joint, the bottom line of rabbet joint are connected;
As n >=2, other media in addition to middle two layer medium plate, left side first layer dielectric-slab and the right first layer dielectric-slab Be provided with plate upper end flushed with middle two layer medium plate top line of rabbet joint upper end, lower end with the middle two layer medium plate bottom line of rabbet joint Hold the line of rabbet joint flushed;The line of rabbet joint being connected with first wave guide feed port is provided with the first layer dielectric-slab of the left side, the right first layer is situated between The line of rabbet joint being connected with second waveguide feed port is provided with scutum;Using middle two layer medium plate as boundary line, left side All Media plate On the line of rabbet joint be sequentially connected logical, the line of rabbet joint on the All Media plate of the right is sequentially connected logical, adjacent with middle two layer medium plate two The line of rabbet joint on layer dielectric-slab is connected with the middle two layer medium plate top line of rabbet joint, the bottom line of rabbet joint.
4. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim any one of 1-3, It is characterized in that:The first wave guide feed port and second waveguide feed port are rectangular waveguide feed port.
5. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim 4, its feature is existed In:Multiple first screw holes are also provided with every layer of dielectric-slab, is coordinated by screw with the first screw hole and fixes All Media plate Closed annular housing is formed together.
6. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim 5, its feature is existed In:Four the second screw holes are also provided with every layer of dielectric-slab, four edges of the first wave guide feed port have 3rd screw hole, four edges of the second waveguide feed port have the 4th screw hole, four the second screw holes Position it is corresponding with the position of four the 3rd screw holes, four the 4th screw holes, by screw successively with the 3rd screw hole, Two-screw hole and the 4th screw hole coordinate is separately fixed at annular housing by first wave guide feed port, second waveguide feed port On.
7. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim any one of 1-3, It is characterized in that:The first wave guide feed port and second waveguide feed port are symmetrical, on the first layer dielectric-slab of the left side with The line of rabbet joint phase being connected on the line of rabbet joint and the right first layer dielectric-slab of the connection of first wave guide feed port with second waveguide feed port Symmetrically.
8. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim any one of 1-3, It is characterized in that:The line of rabbet joint on the dielectric-slab is the rectangle line of rabbet joint.
9. a kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab according to claim any one of 1-3, It is characterized in that:The dielectric-slab is pcb board.
CN201720052737.7U 2017-01-16 2017-01-16 A kind of annular housing wave filter stacked based on multilayer grooved dielectric-slab Expired - Fee Related CN206564313U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106602188A (en) * 2017-01-16 2017-04-26 华南理工大学 Annular cavity filter based on multilayer slotting dielectric-slab stacking
WO2020115752A1 (en) * 2018-12-06 2020-06-11 Rospsha Nimrod Multilayered cavity structures, and methods of manufacture thereof
CN111357152A (en) * 2017-10-27 2020-06-30 梅塔苏姆公司 Multilayer waveguide, device and method of manufacturing the same

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106602188A (en) * 2017-01-16 2017-04-26 华南理工大学 Annular cavity filter based on multilayer slotting dielectric-slab stacking
CN106602188B (en) * 2017-01-16 2019-10-18 华南理工大学 A kind of annular housing filter stacked based on multilayer grooved dielectric-slab
CN111357152A (en) * 2017-10-27 2020-06-30 梅塔苏姆公司 Multilayer waveguide, device and method of manufacturing the same
CN111357152B (en) * 2017-10-27 2021-10-29 梅塔苏姆公司 Multilayer waveguide device, method of manufacturing the same, multilayer waveguide device and layer
WO2020115752A1 (en) * 2018-12-06 2020-06-11 Rospsha Nimrod Multilayered cavity structures, and methods of manufacture thereof
US11848473B2 (en) 2018-12-06 2023-12-19 Nimrod Rospsha Method of constructing a cavity comprising forming one or more conductively coated openings in a plurality of boards and placing a rod or tuning post therein

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