CN102956939A - Dual-frequency wave guide tube - Google Patents
Dual-frequency wave guide tube Download PDFInfo
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- CN102956939A CN102956939A CN2011102572764A CN201110257276A CN102956939A CN 102956939 A CN102956939 A CN 102956939A CN 2011102572764 A CN2011102572764 A CN 2011102572764A CN 201110257276 A CN201110257276 A CN 201110257276A CN 102956939 A CN102956939 A CN 102956939A
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Abstract
The invention discloses a dual-frequency wave guide tube which comprises an outer wave guide tube and an inner wave guide tube, wherein the outer wave guide tube is used for receiving low-frequency-band satellite signals, and the inner wave guide tube is used for receiving high-frequency-band satellite signals; the outer wave guide tube is provided with a first wave guide space, wherein one end of the first wave guide space is opened, and the other end of the first wave guide space is closed; the inner wave guide tube is fixedly connected to the outer wave guide tube and provided with a second wave guide space, wherein a dielectric material wave guide part is coaxially plugged in one end of the second wave guide space; and at least part of the second wave guide space and the first wave guide space are coaxially located in the outer wave guide tube. Therefore, when the dual-frequency wave guide tube is erected on a dish antenna, the first and second wave guide spaces of the outer and inner wave guide tubes can be coaxially arranged in the reflecting focal positions of the dish antenna so as to respectively receive satellite signals with different frequency bands.
Description
Technical field
The present invention relates to be erected at disc-shaped antenna reflector focus position and in order to the waveguide pipe (feed horn) of the satellite-signal that receives special frequency band, particularly a kind of satellite-signal (for example Ku band signal (Ku band signal) and S band signal (S band signal)) and an interior waveguide pipe of coaxial setting and double frequency waveguide pipe of an outer waveguide pipe that has to receive respectively two kinds of different frequency bands.
Background technology
In the transmission and receiving course of satellite-signal, waveguide pipe (feed horn) is a kind of signal that satellite sends that is used for receiving, and the satellite-signal that receives is fed to an a signal processor (lnb (loW noise block downconvertor) for example, hereinafter to be referred as LNB) member, when waveguide pipe is arranged in pairs or groups a parabola disc-shaped antenna (parabolic dish) use, the optimal setting positions of this waveguide pipe is the reflector focus position at this disc-shaped antenna, and this moment, this waveguide pipe can receive the satellite-signal that is reflected by this disc-shaped antenna most effectively.
The satellite TV signal that sends for single satellite in early days, to utilize one group of satellite signal receiving apparatus that includes a dish-like antenna, a waveguide pipe and a LNB to receive, if receive the satellite-signal that two satellites send, then need to utilize two groups of satellite signal receiving apparatus to reach.If the user wants to receive simultaneously the different satellite-signals that two close satellites are launched, or same two kinds of different ripples satellite-signal frequently that satellite sends, for example one be the S frequency band another be the satellite-signal of Ku frequency band, the existing practice is that two waveguide pipe that receive respectively different satellite-signals are set up in parallel on same disc-shaped antenna, yet, waveguide pipe is occupied certain space, and receive different ripples waveguide pipe frequently and have different bores, for example receive the bore of waveguide pipe of S frequency band namely much larger than the waveguide pipe bore that receives the Ku frequency band, and the focusing range of disc-shaped antenna has certain limit, therefore existing two waveguide pipe are set up in parallel the practice on same disc-shaped antenna, to also can't positively be arranged on simultaneously because of two waveguide pipe the reflector focus place of disc-shaped antenna, the satellite-signal intensity that each waveguide pipe can receive has consequently detracted.Secondly, waveguide pipe arranged side by side has sizable volume, has relatively improved the screening rate of the useful signal receiving area of disc-shaped antenna.In other words, how on limited disc-shaped antenna space, two kinds of waveguide pipe that can effectively receive the satellite-signal of two kinds of different frequency bands that adjacent satellite or same satellite send being set, is that the dealer makes great efforts the problem that will solve.
Summary of the invention
In view of this, one of purpose of the present invention is to provide a kind of double frequency waveguide pipe, have to receive respectively the satellite-signal of different frequency bands and one first guided wave space and the one second guided wave space of coaxial setting, so that this double frequency waveguide pipe is when being set up on the dish-like antenna, this first and second guided wave space can be corresponding in the reflector focus position of this disc-shaped antenna, to reach good satellite signal receiving effect simultaneously.
Another purpose of invention is to provide a kind of double frequency waveguide pipe, has first and second waveguide pipe of coaxial in fact setting, so that has less volume.
For achieving the above object, a kind of double frequency waveguide pipe provided by the present invention includes an outer waveguide pipe (outer feed horn) in order to receive and to present one first satellite-signal to a lnb, and an interior waveguide pipe (inner feed horn) in order to receive and to present one second satellite-signal to a lnb, wherein the frequency of this second satellite-signal is higher than the frequency of this first satellite-signal.Should outer waveguide pipe have one first guided wave space, a horizontal polarization probe and a perpendicular polarization probe, those probes are stretched on respectively in this first guided wave space and present mutual vertical configuration when being projected on the lateral cross section in this first guided wave space.Should in waveguide pipe have base, that dielectric material wave guide (dielectric waveguide), that a body, is arranged at this body one end is connected in this body other end by this dielectric material wave guide, this body and the second guided wave space that this base defined out, and the horizontal polarization probe and the perpendicular polarization probe that present mutual vertical configuration when being projected on the lateral cross section in this second guided wave space.This base is connected in this outer waveguide pipe, and its connected mode is so that the part of this body and this dielectric material wave guide can be arranged in this outer waveguide pipe coaxially with this first guided wave space at least.By this, when this double frequency waveguide pipe was set up on the dish-like antenna, the first guided wave space and the second guided wave space of coaxial setting can align the reflector focus of disc-shaped antenna simultaneously, and effectively receive respectively the first satellite-signal and the second satellite-signal.Secondly, because dielectric material wave guide and the body of waveguide pipe are arranged in this outer waveguide pipe coaxially in being somebody's turn to do, therefore can effectively reduce the overall volume of double frequency waveguide pipe of the present invention, and reach the purpose of the covering property that reduces the disc-shaped antenna receiving satellite signal.
In double frequency waveguide pipe provided by the present invention, this first satellite-signal is (but being not limited to) S frequency band (S band) satellite-signal preferably, and this second satellite-signal (but being not limited to) Ku frequency band (Ku band) satellite-signal preferably.
In double frequency waveguide pipe provided by the present invention, this outer waveguide pipe can include an open end, and a closed end with a central hole, and aforementioned the first guided wave space then is between this open end and this closed end.And the base of waveguide pipe is fixed in this closed end in being somebody's turn to do, and the body of waveguide pipe passes the central hole of this closed end and has at least a part and this first guided wave space to be arranged in coaxially this first guided wave space in being somebody's turn to do.
Best, should in the base of waveguide pipe one circular-arc slotted eye is set, and should in waveguide pipe pass the circular-arc slotted eye of this base by one and the fixture (for example screw or other suitable assembly) of being combined with waveguide pipe closed end this outside and outside with this waveguide pipe mutually combine.So, waveguide pipe rotation and location outside this base can be somebody's turn to do in the scope of this circular-arc slotted eye relatively are to adjust the relative azimuth of being somebody's turn to do outer waveguide pipe of waveguide pipe body in this, so that waveguide pipe can receive this second satellite-signal effectively in being somebody's turn to do.
In an embodiment provided by the present invention, this outer waveguide pipe is by a collection ripple section with aforementioned open end, and one is connected with this collection ripple section and body with aforementioned closed end consists of.Yet this waveguide pipe should outer waveguide pipe can be integrated pipe fitting for example not with the aforementioned limit that is configured to.
Best, this outer waveguide pipe includes collection ripple section and a body, and this body has an open end that is connected with this collection ripple section, and a closed end with a central hole; Should in the base system of waveguide pipe be fixed in this closed end, and should in the body system of waveguide pipe pass the central hole of this closed end and have at least part system and body that should outer waveguide pipe to be arranged in coaxially the body of this outer waveguide pipe.
There is no particular restriction for the structure of the collection ripple section of this outer waveguide pipe in the present invention, for example this collection ripple section can include the retainer ring of the open end of a sheathed body that is fixed in this outer waveguide pipe, and a guidance part from the outside horn-like extension of this retainer ring outer peripheral face.
Perhaps, this collection ripple section can include the retainer ring of the open end of a sheathed body that is fixed in this outer waveguide pipe, and at least one ring-type guidance part that is surrounded on this retainer ring outer peripheral face.
Best, dielectric material wave guide of waveguide pipe has at least a part to be arranged in the above-mentioned guidance part of this collection ripple section in this.Also namely, the setting position of this dielectric material wave guide is the arrival end near this collection ripple section, effectively to guide this second satellite-signal.
In an embodiment provided by the present invention, be somebody's turn to do the inner surface of the body closed end of outer waveguide pipe, form a reflecting surface, and horizontal polarization probe and perpendicular polarization probe that should outer waveguide pipe be stretched on respectively in the body of this outer waveguide pipe, and the distance of any one and this reflecting surface is quarter-wave 2N+1 times (N is positive integer) of this outer waveguide pipe satellite-signal of being scheduled to reception.For example wherein a distance can be (but being not limited to) 1/4 λ or 3/4 λ, and another distance also can be (but being not limited to) 1/4 λ or 3/4 λ.The wavelength of the satellite-signal that " λ " representative herein receives.
Best, the horizontal polarization probe and the perpendicular polarization probe that are stretched on respectively in the body of this outer waveguide pipe are not in the same plane.For example, a probe wherein is 3/4 λ apart from the distance of this reflecting surface, and another is 1/4 λ.
In an embodiment provided by the present invention, the base of waveguide pipe has an accommodation space in this, the coaxial inner space that is communicated with accordingly the body of waveguide pipe in this, and with this in the inner space of body of waveguide pipe together form this second guided wave space.Yet the structure in this second guided wave space is not limited with aforesaid embodiment, and for example this second guided wave space can be fully be made of the inner space of the body of waveguide pipe in this.
In the mentioned embodiment of leading portion, should in the base of waveguide pipe have a reflecting surface that is positioned at its accommodation space bottom, and should in horizontal polarization probe and the perpendicular polarization probe of waveguide pipe be stretched on respectively in the accommodation space of this base, and one of them be the quarter-wave that this interior waveguide pipe is scheduled to the satellite-signal of reception with the distance of the reflecting surface of this base.
Best, go back projection in the accommodation space of the base of waveguide pipe in wherein being somebody's turn to do one reflecting element is arranged, this reflecting element between this horizontal polarization probe and perpendicular polarization probe, and with the distance near this two one of them probe of the body of waveguide pipe in this comparatively be the quarter-wave of the predetermined satellite-signal that receives of waveguide pipe in this.
In one embodiment of this invention, the dielectric material wave guide of waveguide pipe has an outer end and relative with this outer end and fill in inner end in the body of being located at this interior waveguide pipe in this.
Best, the outer end of this dielectric material wave guide have tapering, a center, one and this tapering, center be centered around coaxially the annulus of this tapering, center periphery, and a annular recess between this tapering, center and this annulus.Reach by this good other ripple inhibition.
Best, the inner end of this dielectric material wave guide have tapering, a center, one and this tapering, center be centered around coaxially the annular recess of annulus, between this tapering, center and this annulus of this tapering, center periphery, and one and this tapering, center be centered around coaxially the retainer ring of this annulus periphery, this fixedly ring taps be located in the body of waveguide pipe in this.
Describe the present invention below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Description of drawings
The stereogram of the double frequency waveguide pipe that Fig. 1 provides for the present invention's the first preferred embodiment;
The stereogram of another view directions of the double frequency waveguide pipe that Fig. 2 provides for the present invention's the first preferred embodiment;
The three-dimensional exploded view of the double frequency waveguide pipe that Fig. 3 provides for the present invention's the first preferred embodiment;
The longitudinal sectional view of the double frequency waveguide pipe that Fig. 4 provides for the present invention's the first preferred embodiment;
The longitudinal sectional view of the interior waveguide pipe base of the double frequency waveguide pipe that Fig. 5 provides for the present invention's the first preferred embodiment;
Fig. 6 is the part end-view of waveguide pipe base in this;
The stereogram of the double frequency waveguide pipe that Fig. 7 provides for the present invention's the second preferred embodiment;
The stereogram of the double frequency waveguide pipe that Fig. 8 provides for the present invention's the 3rd preferred embodiment;
Fig. 9 is a perspective exploded view, another feasible enforcement embodiment of waveguide pipe base in introducing.
Wherein, Reference numeral
10 double frequency waveguide pipe, 20 outer waveguide pipe
20a open end 20b closed end
20c the first guided wave space 22 collection ripple sections
22c the second ring-type guidance part 24 bodys
24a open end 24b central hole
24c closed end 24d inner surface
Pedestal 29 30 interior waveguide pipe
30a the second guided wave space 32 bodys
34 dielectric material wave guide 34a outer ends
Tapering, 34a1 center 34a2 annulus
34a3 annular recess 34b inner end
Tapering, 34b1 center 34b2 annulus
34b3 annular recess 34b4 retainer ring
36 base 36a accommodation spaces
The circular-arc slotted eye 36e of 36d screw thread
40,40 ' perpendicular polarization probe, 42 reflecting elements
44 circuit boards
Embodiment
Below will cooperate the accompanying drawing of enclosing by cited embodiment, describe technology contents of the present invention and feature in detail, wherein:
The stereogram of the double frequency waveguide pipe that Fig. 1 provides for the present invention's the first preferred embodiment;
The stereogram of another view directions of the double frequency waveguide pipe that Fig. 2 provides for the present invention's the first preferred embodiment;
Fig. 3 is the three-dimensional exploded view of the double frequency waveguide pipe that provides of the present invention's the first preferred embodiment;
The longitudinal sectional view of the double frequency waveguide pipe that Fig. 4 provides for the present invention's the first preferred embodiment;
The longitudinal sectional view of the interior waveguide pipe base of the double frequency waveguide pipe that Fig. 5 provides for the present invention's the first preferred embodiment;
Fig. 6 is the part end-view of waveguide pipe base in this;
The stereogram of the double frequency waveguide pipe that Fig. 7 provides for the present invention's the second preferred embodiment;
The stereogram of the double frequency waveguide pipe that Fig. 8 provides for the present invention's the 3rd preferred embodiment; And
Fig. 9 is a perspective exploded view, another feasible enforcement embodiment of waveguide pipe base in introducing.
Please consult first Fig. 1 to Fig. 7, the double frequency waveguide pipe 10 that the present invention's the first preferred embodiment provides consists predominantly of an outer waveguide pipe 20 in order to receive and to present one first satellite-signal to a lnb, and one in order to receive and to present one second satellite-signal to the interior waveguide pipe 30 of another lnb, wherein the frequency of this second satellite-signal is the frequency that is higher than this first satellite-signal, for example this first satellite-signal is to be the radio frequency satellite-signal than low-frequency range such as the S frequency band, and this second satellite-signal is to be the radio frequency satellite-signal such as the higher frequency band of Ku frequency band.Yet the kind of this first and second satellite-signal is not limited with aforementioned.
Should outer waveguide pipe 20 have an open end 20a, a closed end 20b, and first a guided wave space 20c between this open end 20a and this closed end 20b.In details of the words, it should outer waveguide pipe 20 mainly be the collection ripple section 22 that has an aforementioned open end 20a by, and one be connected with this collection ripple section 22 and cylindrical tube 24 with aforementioned closed end 20b forms, by this, the inner space of this body 24 can form aforesaid the first guided wave space 20c, and perhaps the inner space of this body 24 can define aforementioned the first guided wave space 20c with the inner space of this collection ripple section 22.Yet this outer waveguide pipe 20 should outer waveguide pipe 20 can be integrated pipe fitting for example not with the aforementioned limit that is configured to.Secondly, in this body 24, be provided with a horizontal polarization probe 26 and a perpendicular polarization probe 28, these probes 26, the 28th, vertically pass this body 24 tube wall and respectively projection be suspended among this first guided wave space 20c, and these probes 26,28 when being projected on the lateral cross section of this first guided wave space 20c (for example on the bottom of this body time) are to present mutual vertical configuration, in order to receive respectively with the orthogonal two kinds of electromagnetic waves of electric field direction of vibration in the frequency range.In addition, the outer peripheral face of this body is installed with a pedestal 29 in order to the LNB that processes the first satellite-signal, is provided with a LNB electronic circuit (not shown) that electrically conducts with described probe 26,28 in this pedestal 29.It should be noted that at this, the setting position of LNB is not limited with aforementioned, and described probe 26,28 and the action principle of LNB be to belong to prior art, therefore do not repeat them here.
Further it, this collection ripple section 22 has one and is fixed in the retainer ring 22a of open end 24a of the body 24 of this outer waveguide pipe 20, and is surrounded on the first ring-type guidance part 22b and the second ring-type guidance part 22c that this retainer ring 22a outer peripheral face and diameter sequentially increase progressively.Yet, the architectural feature of this collection ripple section 22 can correspondence according to the difference of the polarization kind of required reception the first satellite-signal such as linear polarization, circular polarization or elliptical polarization etc. be changed to rectangle, circle, ellipse or gradually transfers circular person to from oval gabarit, so is not limited with this circular structure that receives circular polarization; And the project organization size according to the specification of its signal gain or other ripple inhibition frequency range, therefore more be not limited with this coaxial dicyclo structure, for example, the double frequency waveguide pipe 10 that the present invention's the second preferred embodiment that is disclosed take the 7th figure is provided is as example, this collection ripple section 22 only is provided with a ring-type guidance part 22b, perhaps, the double frequency waveguide pipe 10 that the present invention's the 3rd preferred embodiment that discloses such as the 8th figure provides is example, and this collection ripple section 22 has a guidance part 22b from the outside horn-like extension of its retainer ring 22a outer peripheral face (also being that diameter gradually enlarges).In other words, the collection ripple section of the collection ripple section of aforementioned various shapes or other shape all can be applicable in the double frequency waveguide pipe 10 provided by the present invention.
Secondly, this body 24 is the cylindrical tube for end is open and the other end seals one by one basically.In details of the words, this body 24 has the closed end 24c (forming the closed end 20b of this outer waveguide pipe 20) that an open end 24a, who is connected with this collection ripple section 22 has a central hole 24b, and the cylindrical interior space between this open end 24a and this closed end 24c.Secondly, the inner surface 24d of this body closed end, to form a reflecting surface, and the distance of horizontal polarization probe 26 that should outer waveguide pipe and perpendicular polarization probe 28 and this reflecting surface 24d is 1/4th odd-multiple (2N+1 times, N is positive integer) for the wavelength of the first satellite-signal of be scheduled to reception; Certainly, in order to keep the mutual isolation of vertical and horizontal polarized signal, and consider based on signal strength signal intensity and saving space, can make the distance of horizontal polarization probe 26 and perpendicular polarization probe 28 and this reflecting surface 24d be respectively 3/4ths and four minutes of wavelength that institute be scheduled to the first satellite-signal of reception, also be 3/4 λ and 1/4 λ.In other words, when described probe 26,28 is stretched in these body 24 inner spaces, be high low head to be arranged and not at grade.
Should interior waveguide pipe 30 consist predominantly of the dielectric material wave guide (dielectric waveguide) 34 that the open cylindrical tube 32, of one or two ends is arranged at these body 32 1 ends, and one be connected in these body 32 other ends and be fixed in the base 36 of the closed end 24c of these outer waveguide pipe 20 bodys 24, by this, the inner space of this dielectric material wave guide 34, this body 32 and this base 36 can define one second guided wave space 30a.
In the present embodiment, the base 36 of waveguide pipe 30 is to utilize the pedestal of the LNB that processes the second satellite-signal to realize in being somebody's turn to do, in other words, this base 36 except in order to connect this waveguide pipe 20 and support this body 32 and dielectric material wave guide 34 in this first guided wave space 20c outside, still can be equipped with the electronic circuit (not shown) of LNB in this base.On the other hand, this base 36 has a columniform accommodation space 36a, is the coaxial inner space that is communicated with accordingly the body 32 of waveguide pipe 30 in this, and with this in the inner space of waveguide pipe body 32 together form this second guided wave space 30a.Yet the structure that defines this second guided wave space 30a is not limited with aforesaid embodiment, and for example this second guided wave space 30a can be fully be made of the inner space of the body 32 of waveguide pipe in this.
Secondly, waveguide pipe 30 also includes a horizontal polarization probe 38 and a perpendicular polarization probe 40 that is stretched on respectively among this second guided wave space 30a and presents mutual vertical configuration when being projected on the lateral cross section of this second guided wave space 30a in this.In details of the words, should in the base 36 of waveguide pipe 30 have a reflecting surface 36b who is positioned at its accommodation space 36a bottom, and the horizontal polarization probe 38 of waveguide pipe 30 is to be stretched on respectively among the accommodation space 36a of this base 36 with perpendicular polarization probe 40 in being somebody's turn to do, and with the reflecting surface 36b of this base 36 be 1/4th odd-multiple for the wavelength of the second satellite-signal of be scheduled to reception near the distance of (be perpendicular polarization probe 40 such as the present embodiment) and reflecting surface 36b comparatively, if with signal strength signal intensity and save the space consider to be the second satellite-signal wavelength 1/4th, also i.e. 1/4 λ.In addition, more be provided with a reflecting element 42 between this horizontal polarization probe 38 and this perpendicular polarization probe 40, and this reflecting element 42 is to be 1/4 λ with the distance of this horizontal polarization probe 38, be same as above-mentioned perpendicular polarization probe 40 with signal strength signal intensity and save the space consideration, and in order to strengthen the signal reflex effect of horizontally-polarized electromagnetic wave.In other words, when described probe 38,40 is stretched among this second guided wave space 30a, be high low head to be arranged and not at grade.Yet, described probe 38,40 the kenel that arranges are not limited with aforementioned, for example, see also Fig. 9, another the feasible interior waveguide pipe base 36 ' that provides for No. 511783 in the TaiWan, China patent announcement for this case applicant is implemented the perspective exploded view of embodiment, wherein horizontal polarization probe 38 ' is to build on the circuit board 44 of LNB with perpendicular polarization probe 40 ', and is positioned on the same level.
In addition, please consult especially Fig. 2 and Fig. 4 to Fig. 6, this base 36 has a round flange 36c, and a plurality of circular-arc slotted eye 36d that runs through this flange 36c with the equal angles distribution mode, and the wall of the arrival end of this accommodation space 36a is provided with screw thread 36e.Thus, by this screw thread 36e this base 36 is connected with this body 32, and by pass respectively the circular-arc slotted eye 36d of this base respectively and be locked on these outer waveguide pipe 20 closed end 20b such as fixtures such as screw 36f, so that this base 36 can interfix with this outer waveguide pipe 20.At this moment, the body 32 of waveguide pipe 30 is the central hole 24b that pass these outer waveguide pipe 20 closed end 20b in being somebody's turn to do, and be supported on the shaft core position of this first guided wave space 20c together with this dielectric material wave guide 34, also, be suspended in coaxially in the body 24 of this outer waveguide pipe 20.In addition, design by this circular-arc slotted eye 36d, so that this base 36 was fixed in these outer waveguide pipe 20 closed end 20b when upper, this base 36 can the scope that two ends define about this circular-arc slotted eye 36d in relatively should outside the azimuth of specific corresponding the second satellite-signal transmitting terminal of waveguide pipe 20 coaxial rotatings to, fix again afterwards the position of this base 36 by screw 36f, can effectively receive this second satellite-signal to guarantee this horizontal polarization probe 38 with perpendicular polarization probe 40.In other words, by the design of this circular-arc slotted eye 36d, double frequency waveguide pipe 10 provided by the present invention can be adjusted the azimuths that waveguide pipe 30 bodys 32 in this relatively should outer waveguide pipe 20, in order to do making in this effectively receiving satellite signal of waveguide pipe 30.These capable of regulatings are somebody's turn to do azimuthal design that arranges of interior waveguide pipe 30, and being specially adapted to this first and second satellite-signal is by two differences but the situation that close satellite sends.If this first and second satellite-signal is sent by same satellite, then aforementioned adjusting mechanism can be set, and directly base 36 is fixed on this outer waveguide pipe 20, for example, adopt the base 36 ' design shown in the 9th figure, horizontal polarization probe 38 ' and perpendicular polarization probe 40 ' are built on circuit board 44, and utilize the screw (not shown) to pass the perforation of this base flange and base 36 ' directly is fixed on this outer waveguide pipe 20.
The dielectric material wave guide 34 of waveguide pipe 30 is to guide the high frequency satellite-signal in being somebody's turn to do, because this wave guide 34 is that the low frequency satellite-signal that therefore receives for this outer waveguide pipe 20 can not exert an influence by made such as this type of dielectric material of Merlon (polycarbonate), polyethylene (polyethylene), polypropylene (polypropylene), polystyrene (polystyrene) and acrylonitrile-butadiene-styrene copolymer (acrylonitrile-butadiene-styrene).Structurally, this dielectric material wave guide 34 has an outer end 34a and an and plug relative with this outer end 34a and is located at inner end 34b in the body 32 of waveguide pipe 30 in this, uses guiding the second satellite-signal to this second guided wave space 30a.Further, this outer end 34a have center tapering 34a1, one and this tapering, center 34a1 be centered around coaxially the annulus 34a2 of this tapering, center 34a1 periphery, and an annular recess 34a3 between this tapering, center 34a1 and this annulus 34a2.By the design of these annulus 34a2 and annular recess 34a3, can reach good other ripple inhibition.Similarly, the inner end 34b of this dielectric material wave guide 34 have center tapering 34b1, one and this tapering, center 34b1 be centered around coaxially the annular recess 34b3 of annulus 34b2, between this tapering, center 34b1 and this annulus 34b2 of this tapering, center 34b1 periphery, and one and this tapering, center 34b1 be centered around coaxially the retainer ring 34b4 of this annulus 34b2 periphery.During assembling, this retainer ring 34b4 is that plug is located in these interior waveguide pipe 30 bodys 32, and this dielectric material wave guide 34 can coaxially be connected with this body 32.At this moment, this dielectric material wave guide 34 some be the guidance part 22b that is arranged in this collection ripple section 22.Also namely, the setting position of this dielectric material wave guide 34 is the arrival ends near this collection ripple section 22, effectively to guide this second satellite-signal.Yet, the outer end 34a of this dielectric material wave guide 34 and the architectural feature of inner end 34b can correspondence according to the difference of the polarization kind of required reception the second satellite-signal such as linear polarization, circular polarization or elliptical polarization etc. be changed to rectangle, circle, ellipse or gradually transfer circular person to from oval gabarit, so are not limited with this circular structure that receives circular polarization; And suppress the specification of frequency range and the project organization size according to its signal gain or other ripple, therefore more be not limited with two annular quantity of annulus 34a2, the 34b2 of this coaxial dicyclo structure.
By above structural design, because this base 36 is fixed in the mode on the closed end 20b of this outer waveguide pipe 20, so that should can be arranged in coaxially this outer waveguide pipe 20 with this first guided wave space 20c with this dielectric material wave guide 34 by interior waveguide pipe 30 bodys 32, therefore, when double frequency waveguide pipe 10 provided by the present invention is set up on the dish-like antenna (not shown), the first guided wave space 20c of coaxial setting and the second guided wave space 30a can align the reflector focus of disc-shaped antenna simultaneously, and effectively receive respectively the first satellite-signal and the second satellite-signal.Secondly, because the dielectric material wave guide 34 of waveguide pipe 30 is to be arranged on coaxially in this outer waveguide pipe 20 with body 32 in being somebody's turn to do, therefore compare with the double frequency waveguide pipe of known utilization kenel setting arranged side by side, double frequency waveguide pipe 10 of the present invention has less overall volume.
Certainly; the present invention also can have other various embodiments; in the situation that do not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make according to the present invention various corresponding changes and distortion, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (17)
1. a double frequency waveguide pipe is characterized in that, includes:
One outer waveguide pipe has one first guided wave space, and is stretched on respectively in this first guided wave space and presents a horizontal polarization probe and a perpendicular polarization probe of mutual vertical configuration when being projected on the lateral cross section in this first guided wave space; And
One interior waveguide pipe, have base, that dielectric material wave guide, that a body, is arranged at this body one end is connected in this body other end by this dielectric material wave guide, this body and the second guided wave space that this base defined out, and the horizontal polarization probe and the perpendicular polarization probe that present mutual vertical configuration when being projected on the lateral cross section in this second guided wave space; This base is connected in this outer waveguide pipe, and at least a portion of this base, this body and this dielectric material wave guide are coaxial with this first guided wave space, and at least a portion of this body and this dielectric material wave guide are arranged in this outer waveguide pipe.
2. double frequency waveguide pipe according to claim 1 is characterized in that, this outer waveguide pipe is in order to receiving one first satellite-signal, and should in waveguide pipe in order to receiving one second satellite-signal, and the frequency of this second satellite-signal is greater than this first satellite-signal.
3. double frequency waveguide pipe according to claim 1 is characterized in that, this outer waveguide pipe includes the closed end that an open end, has a central hole, and aforementioned the first guided wave space between this open end and this closed end; And the base of waveguide pipe is fixed in this closed end in being somebody's turn to do, and the body of waveguide pipe passes the central hole of this closed end and has at least a part and this first guided wave space to be arranged in coaxially this first guided wave space in being somebody's turn to do.
4. double frequency waveguide pipe according to claim 3, it is characterized in that, should in the base of waveguide pipe have a circular-arc slotted eye, and should in waveguide pipe pass the circular-arc slotted eye of this base by one and the fixture of being combined with waveguide pipe closed end outside this and outside with this waveguide pipe mutually combine.
5. double frequency waveguide pipe according to claim 3 is characterized in that, this outer waveguide pipe includes a collection ripple section with aforementioned open end, and one is connected and has the body of aforementioned closed end with this collection ripple section.
6. double frequency waveguide pipe according to claim 1 is characterized in that, this outer waveguide pipe includes:
One collection ripple section, and
One body has an open end that is connected with this collection ripple section, and a closed end with a central hole; Should in the base of waveguide pipe be fixed in this closed end, and should in the body of waveguide pipe pass the central hole of this closed end and have at least a part and body that should outer waveguide pipe to be arranged in coaxially the body of this outer waveguide pipe.
7. double frequency waveguide pipe according to claim 6 is characterized in that, this collection ripple section includes the retainer ring of the open end of a sheathed body that is fixed in this outer waveguide pipe, and a guidance part from the outside horn-like extension of this retainer ring outer peripheral face.
8. double frequency waveguide pipe according to claim 6 is characterized in that, this collection ripple section includes the retainer ring of the open end of a sheathed body that is fixed in this outer waveguide pipe, and at least one ring-type guidance part that is surrounded on this retainer ring outer peripheral face.
9. according to claim 7 or 8 described double frequency waveguide pipe, it is characterized in that, dielectric material wave guide of waveguide pipe has at least a part to be arranged in the guidance part of this collection ripple section in this.
10. double frequency waveguide pipe according to claim 6, it is characterized in that, be somebody's turn to do the inner surface of the body closed end of outer waveguide pipe, form a reflecting surface, and horizontal polarization probe and perpendicular polarization probe that should outer waveguide pipe be stretched on respectively in the body of this outer waveguide pipe, and any one is quarter-wave 2N+1 times (N is positive integer) of this outer waveguide pipe satellite-signal of being scheduled to reception with the distance of this reflecting surface.
11. double frequency waveguide pipe according to claim 10 is characterized in that, the horizontal polarization probe and the perpendicular polarization probe that are stretched on respectively in the body of this outer waveguide pipe are positioned on the Different Plane.
12. double frequency waveguide pipe according to claim 1, it is characterized in that, the base of waveguide pipe has an accommodation space in being somebody's turn to do, the coaxial inner space that is communicated with accordingly the body of waveguide pipe in this, and the inner space of the body of the accommodation space of this base and this interior waveguide pipe forms this second guided wave space.
13. double frequency waveguide pipe according to claim 12, it is characterized in that, should in the base of waveguide pipe have a reflecting surface that is positioned at its accommodation space bottom, and should in horizontal polarization probe and the perpendicular polarization probe of waveguide pipe be stretched on respectively in the accommodation space of this base, and one of them be the quarter-wave that this interior waveguide pipe is scheduled to the satellite-signal of reception with the distance of the reflecting surface of this base.
14. double frequency waveguide pipe according to claim 13, it is characterized in that, go back projection in being somebody's turn to do in the accommodation space of the base of waveguide pipe one reflecting element is arranged, this reflecting element between this horizontal polarization probe and perpendicular polarization probe, and with the distance near this two one of them probe of the body of waveguide pipe in this comparatively be the quarter-wave of the predetermined satellite-signal that receives of waveguide pipe in this.
15. double frequency waveguide pipe according to claim 1 is characterized in that, the dielectric material wave guide of waveguide pipe has an outer end and relative with this outer end and be arranged in the inner end of the body of this waveguide pipe in this.
16. double frequency waveguide pipe according to claim 15, it is characterized in that, the outer end of this dielectric material wave guide have tapering, a center, one and this tapering, center be centered around coaxially the annulus of this tapering, center periphery, and a annular recess between this tapering, center and this annulus.
17. double frequency waveguide pipe according to claim 16, it is characterized in that, the inner end of this dielectric material wave guide have tapering, a center, one and the tapering, center of this inner end be centered around coaxially the annulus, of tapering, the center periphery of this inner end at the tapering, center of this inner end and the annular recess between this annulus, and one and the tapering, center of this inner end be centered around coaxially the retainer ring of the annulus periphery of this inner end, this fixedly ring taps be located in the body of waveguide pipe in this.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011102572764A CN102956939A (en) | 2011-08-23 | 2011-08-23 | Dual-frequency wave guide tube |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102572764A CN102956939A (en) | 2011-08-23 | 2011-08-23 | Dual-frequency wave guide tube |
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| CN102956939A true CN102956939A (en) | 2013-03-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011102572764A Pending CN102956939A (en) | 2011-08-23 | 2011-08-23 | Dual-frequency wave guide tube |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105591193A (en) * | 2016-02-24 | 2016-05-18 | 中国电子科技集团公司第五十四研究所 | Double-frequency circularly polarized antenna |
| CN110429378A (en) * | 2019-07-30 | 2019-11-08 | 中国电子科技集团公司第三十八研究所 | A kind of double frequency Shared aperture Waveguide slot radiating guide, antenna array and design method |
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| CN1337077A (en) * | 1999-01-08 | 2002-02-20 | 信道控制有限公司 | Multi-frequency antenna feed |
| CN1825690A (en) * | 2005-02-25 | 2006-08-30 | 夏普株式会社 | Antenna probe having antenna portion, method of connecting antenna probe |
| CN101656353A (en) * | 2008-08-21 | 2010-02-24 | 百一电子股份有限公司 | Linearly polarized antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1337077A (en) * | 1999-01-08 | 2002-02-20 | 信道控制有限公司 | Multi-frequency antenna feed |
| CN1825690A (en) * | 2005-02-25 | 2006-08-30 | 夏普株式会社 | Antenna probe having antenna portion, method of connecting antenna probe |
| CN101656353A (en) * | 2008-08-21 | 2010-02-24 | 百一电子股份有限公司 | Linearly polarized antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105591193A (en) * | 2016-02-24 | 2016-05-18 | 中国电子科技集团公司第五十四研究所 | Double-frequency circularly polarized antenna |
| CN105591193B (en) * | 2016-02-24 | 2018-03-13 | 中国电子科技集团公司第五十四研究所 | Double frequency round polarized antenna |
| CN110429378A (en) * | 2019-07-30 | 2019-11-08 | 中国电子科技集团公司第三十八研究所 | A kind of double frequency Shared aperture Waveguide slot radiating guide, antenna array and design method |
| CN110429378B (en) * | 2019-07-30 | 2020-11-27 | 中国电子科技集团公司第三十八研究所 | Dual-frequency dual-polarization waveguide antenna unit, antenna and design method |
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Application publication date: 20130306 |