CN110011034A - A kind of aerial radiation device - Google Patents
A kind of aerial radiation device Download PDFInfo
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- CN110011034A CN110011034A CN201910256736.8A CN201910256736A CN110011034A CN 110011034 A CN110011034 A CN 110011034A CN 201910256736 A CN201910256736 A CN 201910256736A CN 110011034 A CN110011034 A CN 110011034A
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- 230000005855 radiation Effects 0.000 title claims abstract description 55
- 230000011218 segmentation Effects 0.000 claims abstract description 55
- 239000004020 conductor Substances 0.000 claims abstract description 45
- 238000010276 construction Methods 0.000 claims abstract description 36
- 230000013011 mating Effects 0.000 claims description 7
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005284 excitation Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 238000000465 moulding Methods 0.000 description 3
- 238000010009 beating Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003071 parasitic effect Effects 0.000 description 2
- 230000010287 polarization Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Aerials With Secondary Devices (AREA)
Abstract
The invention discloses a kind of aerial radiation devices comprising: radiating element, including at least a pair of oscillator arms for being equipped with hollowed out area and being spaced apart from each other setting；At least one feed body, each feed body is for feeding corresponding a pair oscillator arms；Balun support construction, set on the radiating element lower section and support the radiating element, and connect with the radiating element；And an at least feed cable, at the top of one section be divided into from top to bottom the first segmentation, second segmentation and third segmentation；Wherein, the exposed setting of inner conductor of first segmentation of the feed cable is simultaneously connected with the corresponding feed body, the exposed setting of dielectric layer of second segmentation of the feed cable, the exposed setting of outer conductor of the third segmentation of the feed cable are simultaneously connect with the balun support construction.The bandwidth performance of aerial radiation device of the invention is more preferable and production cost is low.
Description
Technical field
The present invention relates to antenna technical fields, more particularly, to a kind of aerial radiation device.
Background technique
Currently, the radiation appliance of antenna generally comprises radiating element, balun support arm, feed tab, parasitic antenna and coaxial
The components such as cable.Due to space limitations, therefore the size of antenna oscillator cannot be excessive, and the bandwidth and day of aerial radiation device
The size of linear oscillator is closely bound up, therefore the size for limiting antenna oscillator will limit the width of aerial radiation device
Band.In addition, the radiation appliance of current antenna generally requires the impedance for being provided with additional impedance-matching device to adjust antenna
Bandwidth (such as the parasitic antenna for needing to be arranged the impedance bandwidth for matching adjusting antenna), such that aerial radiation device
High production cost.It can be seen that the bandwidth performance of existing aerial radiation device is not ideal enough and high production cost.
Summary of the invention
In view of the above-mentioned problems, bandwidth performance is more preferable and raw the purpose of the present invention is to provide a kind of aerial radiation device
It produces at low cost.
To achieve the goals above, one embodiment of the invention provides a kind of aerial radiation device comprising:
Radiating element, including at least a pair of oscillator arms for being equipped with hollowed out area and being spaced apart from each other setting；
At least one feed body, each feed body is for feeding corresponding a pair oscillator arms；
Balun support construction, set on the radiating element lower section and support the radiating element, and it is single with the radiation
Member connection；And
An at least feed cable, at the top of one section be divided into the first segmentation, the second segmentation and third point from top to bottom
Section；Wherein, the inner conductor of first segmentation of the feed cable is exposed is arranged and connects with the corresponding feed body, institute
The exposed setting of dielectric layer of second segmentation of feed cable is stated, the outer conductor of the third segmentation of the feed cable is naked
Dew is arranged and connect with the balun support construction.
As an improvement of the above scheme, described one section close to the feed cable of the balun support construction is each
Locate lateral wall, extend outward there are two along short transverse be arranged limited block；
Two one limiting slots of the limited blocks formation on lateral wall described in everywhere, described one section of the feed cable
Correspondence is limited in the limiting slot, and the outer conductor of the third segmentation of the feed cable is connect with the limited block.
As an improvement of the above scheme, two limited blocks on lateral wall described in everywhere are in that eight words are set from top to bottom
It sets.
As an improvement of the above scheme, each oscillator arms be connected as one with the balun support construction or one
Molding；The outer surface of the balun support construction is coated with tin layers.
As an improvement of the above scheme, the aerial radiation device further includes reflecting plate；The balun support construction is set to
On the top surface of the reflecting plate.
As an improvement of the above scheme, the total length of first segmentation and both second segmentations is 0.25 antenna work
Make signal wavelength.
As an improvement of the above scheme, the hollowed out area is in class ellipse, and its long axis moves towards and the oscillator arms
The trend of both inner end and outboard end line is consistent.
As an improvement of the above scheme, the radiating element includes two pairs of oscillator arms；
Two pairs of oscillator arms are respectively in square block and are successively arranged on same plane around a bit, and close to each other；
Oscillator arms described in one pair of them are respectively the first oscillator arms and the second oscillator arms, and oscillator arms described in another pair are respectively third oscillator
Arm and the 4th oscillator arms；
The quantity of the feed body is two, respectively for carrying out to first oscillator arms and second oscillator arms
First feed body of feed and second for being fed to the third oscillator arms and the 4th oscillator arms feed body；
The quantity of the feed cable is two, respectively the first feed cable and the second feed cable；First feedback
The inner conductor of electrical cables is connect with the first feed body, and the inner conductor of second feed cable and the second feed body connect
It connects.
As an improvement of the above scheme, it is fixed to have extended upward first for the top surface of the inner end of first oscillator arms
Column, the inner end of second oscillator arms offer the first fixation hole through its upper and lower surface；
The top surface of the inner end of the third oscillator arms and top surface recessed be embedded of the inner end of the 4th oscillator arms are set,
And the top surface of the inner end of the third oscillator arms has extended upward the second fixed column, the inner end of the 4th oscillator arms is opened
Equipped with the second fixation hole for running through its upper and lower surface；
The dielectric layer and first fixation hole of second segmentation of first feed cable cooperate, and described first
The inner conductor of first segmentation of feed cable is upward through first fixation hole；
The dielectric layer and second fixation hole of second segmentation of second feed cable cooperate, and described second
The inner conductor of first segmentation of feed cable is upward through second fixation hole；
The first feed body, is set to the inner end of first oscillator arms and the inner end two of second oscillator arms
The top of person；One end, through the first matching hole having with first fixed column mating connection；Its other end, through have with
The second matching hole that the inner conductor of first segmentation of first feed cable is cooperatively connected；
The second feed body, is set to the inner end of the third oscillator arms and the inner end two of the 4th oscillator arms
The recess of person；One end, through the third matching hole having with second fixed column mating connection；Its other end, through having
The 4th matching hole being cooperatively connected with the inner conductor of the first segmentation of second feed cable.
As an improvement of the above scheme, the balun support construction includes the first balun arm, the second balun arm, third balun
Arm, the 4th balun arm and bottom plate；
The first balun arm, the second balun arm, the third balun arm and the 4th balun arm by
The top surface of the bottom plate upwardly extends out, and four interval is arranged and successively arranges around the center of the top surface of the bottom plate
Cloth；
First oscillator arms have been connected and supported at the top of the first balun arm, have been connected at the top of the second balun arm
Second oscillator arms are connect and be supported by, the third oscillator arms have been connected and supported at the top of the third balun arm, it is described
The 4th oscillator arms have been connected and supported at the top of 4th balun arm；
The outer conductor of the third segmentation of first feed cable is connect with the second balun arm, second feedback
The outer conductor of the third segmentation of electrical cables is connect with the 4th balun arm.
Compared with the prior art, the aerial radiation device provided in an embodiment of the present invention, described oscillator arms itself can shape
At an excitation operating mode, and by being provided with the hollowed out area in the oscillator arms, the hollowed out area meeting described in this way
So that the oscillator arms form another excitation operating mode, so that being equipped with the oscillator arms of the hollowed out area just will form
Multimode excitation operating mode can thus effectively increase the beamwidth of antenna of the aerial radiation device.Therefore, in comparable size
Under size cases, the oscillator arms of the embodiment of the present invention can effectively improve the beamwidth of antenna of the aerial radiation device.This
Outside, by allowing one section of the inner conductor, dielectric layer and the outer conductor at top of the feed cable successively to expose, and institute
The outer conductor for stating feed cable is connect with the balun support construction, and described one section of the top of the feed cable described in this way will
One section of impedance matching network is constituted with the balun support construction, is realized to the feed of the antenna oscillator and impedance bandwidth
It adjusts, the bandwidth of aerial radiation device can be further increased and make the structure of aerial radiation device more compact.Thus may be used
See, the aerial radiation device of the embodiment of the present invention is without additional setting impedance matching structure, so as to reduce the day
The production cost of beta radiation device.
Detailed description of the invention
In order to illustrate more clearly of technical solution of the present invention, attached drawing needed in embodiment will be made below
Simply introduce, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, general for this field
For logical technical staff, without creative efforts, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of structural schematic diagram for aerial radiation device that this practical new embodiment provides；
Fig. 2 is a kind of partial structure diagram for aerial radiation device that this practical new embodiment provides；
Fig. 3 be Fig. 2 shows structure structural decomposition diagram；
Fig. 4 be Fig. 2 shows structure side view；
Fig. 5 be Fig. 2 shows structure top view；
Fig. 6 is the structural schematic diagram of balun support construction shown in fig. 1；
Fig. 7 is the top view of balun support construction shown in fig. 1.
Attached drawing mark explanation:
1. radiating element；100. hollowed out area；10. the first oscillator arms；11. the second oscillator arms；12. third oscillator arms；13.
4th oscillator arms；101. the first fixed column；102. the first fixation hole；103. the second fixed column；104. the second fixation hole；
20. the first feed body；200. first matching holes；201. second matching holes；21. the second feed body；210. thirds are matched
Close hole；211. the 4th matching holes；
3. balun support construction；30. the first balun arm；31. the second balun arm；32. third balun arm；33. the 4th balun
Arm；34. bottom plate；300. limited block；301. limiting slot；
4. feed cable；40. the first segmentation；41. the second segmentation；42. third is segmented；
5. reflecting plate.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of specification and claims, it is to be understood that term " on ", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only
The embodiment of the present invention for ease of description, rather than the device or component of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the embodiment of the present invention.
In addition, term first, second, third, etc. in the specification and in the claims is only used for difference same technique spy
The description purpose of sign is not understood to indicate or imply relative importance or implicitly indicates the number of indicated technical characteristic
Amount, also not necessarily describes order or time sequencing.Term can be interchanged in a suitable case.Define as a result, " the
One ", the feature of " second " etc. can explicitly or implicitly include at least one of the features.
Referring to Fig. 1 to Fig. 5, one embodiment of the invention provides a kind of aerial radiation device comprising: radiating element 1, extremely
Few feed body, balun support construction 3 and an at least feed cable 4；Wherein, the radiating element 1, including at least a pair is equipped with
Hollowed out area 100 and the oscillator arms for being spaced apart from each other setting；Each feed body be used for corresponding a pair oscillator arms into
Row feed；The balun support construction 3, set on the radiating element 1 lower section and support the radiating element 1, and with it is described
Radiating element 1 connects；At least one feed cable 4, at the top of one section be divided into the first segmentation 40, second from top to bottom
Segmentation 41 and third segmentation 42；Wherein, the feed cable 4 it is described first segmentation 40 inner conductor it is exposed setting and with it is corresponding
The feed body connection, the feed cable 4 it is described second segmentation 41 the exposed setting of dielectric layer, the feed cable 4
The third segmentation 42 outer conductor it is exposed setting and connect with the balun support construction 3.
In the present embodiment, by allowing the inner conductor of the feed cable 4 to connect with the feed body, the feedback is allowed
Electric body to corresponding to be fed to the oscillator arms, and allow the feed cable 4 the outer conductor and the balun branch
Support structure 3 connects, and the balun support construction 3 is allowed to connect with the radiating element 1, in this way, the radiating element 1 is each pair of
Oscillator arms, so that it may the feed knot formed by the balun support construction 3, the feed cable 4 and the feed body three
Structure realizes balanced feeding, to realize the Radiation work of antenna.
Compared with the prior art, the aerial radiation device provided in an embodiment of the present invention, described oscillator arms itself can shape
At an excitation operating mode, and by being provided with the hollowed out area 100 in the oscillator arms, the hollowed out area described in this way
100 meetings are so that the oscillator arms form another excitation operating mode, to be equipped with the oscillator arms of the hollowed out area 100
It just will form multimode excitation operating mode, can thus effectively increase the beamwidth of antenna of the aerial radiation device.Therefore, exist
Under comparable size size cases, the oscillator arms of the embodiment of the present invention can effectively improve the antenna of the aerial radiation device
Bandwidth.And under the performance requirement of peer antenna bandwidth, then it can effectively reduce the size of the radiating element 1.In addition, passing through
One section of the inner conductor, dielectric layer and the outer conductor at the top of the feed cable 4 is allowed successively to expose, and the feed
The outer conductor of cable 4 is connect with the balun support construction 3, and described one section of the top of the feed cable 4 described in this way will be with
The balun support construction 3 constitutes one section of impedance matching network, realizes to the feed of the antenna oscillator and impedance bandwidth
It adjusts, the bandwidth of aerial radiation device can be further increased and make the structure of aerial radiation device more compact.Thus may be used
See, the aerial radiation device of the embodiment of the present invention is without additional setting impedance matching structure, so as to reduce the day
The production cost of beta radiation device.
It is formed on a dielectric-slab (such as pcb board) it should be noted that the radiating element 1 can make, it can also be with
It is direct panel beating molding etc., is not specifically limited herein.The feed body is also possible to production and is formed in the dielectric-slab
On, it is also possible to direct panel beating molding etc., shape can be blocky or strip etc., also be not specifically limited herein.This
Outside, it is to be understood that the material of the oscillator arms, the balun support construction 3 and the feed body is conductive material (example
Such as metal or alloy).
The aerial radiation device can also include feed power-devided circuit (not shown), connect with the feed cable with
It is fed in the feed cable.
In this embodiment, it is preferred that the feed cable 4 is radio frequency coaxial-cable, naturally it is also possible to be other types
Cable.
In the above-described embodiments, preferably, referring to Fig. 6 to Fig. 7, the close feed electricity of the balun support construction 3
Described one section of everywhere lateral wall of cable 4, extend outward there are two along short transverse be arranged limited block 300；It is each
Two limited blocks 300 located on the lateral wall form a limiting slot 301, one section of correspondence of the feed cable 4
It is limited in the limiting slot 301, the feed cable 4 described in this way can be fixed tightly.In addition, the feed cable 4
The outer conductor of the third segmentation 42 connect (mode of connection can be welding or clamping etc.) with the limited block 300, thus
With the connection of the balun support construction 3 feed (referring to that the connection of the two can be fed).It is understood that the limited block
300 material is conductive material.
Further, referring to Fig. 6, two limited blocks 300 on lateral wall described in everywhere are in eight words from top to bottom
Setting.Since one section of the diameter of the feed cable 4 is gradually increased from top to bottom, so allowing outer described in everywhere
Two limited blocks 300 on side wall are arranged in eight words from top to bottom, the two described limited blocks 300 are formed described in this way
Limiting slot 301 can be well adapted for described one section of diameter change situation of the feed cable 4, so as to preferably
Described one section of feed cable 4 described in clamping.
In the above-described embodiments, preferably, each oscillator arms be connected as one with the balun support construction 3 or
It is integrally formed.
In the above-described embodiments, preferably, the outer surface of the balun support construction 3 is coated with tin layers (not shown), in this way
The balun support construction 3 can either be effectively prevent to be oxidized, and can be increased and the oscillator arms and 4 liang of the feed cable
Welding performance between person.
In the above-described embodiments, preferably, referring to Fig. 1, the aerial radiation device further includes reflecting plate 5；The balun
Support construction 3 is set on the top surface of the reflecting plate 5.By the way that the reflecting plate 5 is arranged, the radiating element 1 can be improved
Antenna gain pattern and radiance.
In the above-described embodiments, preferably, the length of second segmentation 41 is 0.25 Antenna Operation signal wavelength, in this way
1/4 transformer section is formed, to be conducive to the adjusting of the impedance bandwidth to aerial radiation device.
In the above-described embodiments, preferably, referring to Fig. 1 to Fig. 5, the hollowed out area 100 is oval in class, and its long axis
Move towards consistent with both the inner end of the oscillator arms and outboard end trends of line.Since the electric current of oscillator arms is usually from interior
Side flows to outboard end, so hollowed out area 100 is oval and the inner end of its long axis trend and the oscillator arms and outer
The trend of both sides line is consistent, can less influence on the trend of the electric current of oscillator arms in this way, be conducive to oscillator arms
The progress for motivating resonant operational, to be advantageously implemented multimode excitation operating mode (i.e. multimode mode of resonance).It needs to illustrate
It is that class ellipse refers to shape for ellipse or close ellipse.In addition, the shape of the hollowed out area 100 can also be
Diamond shape or triangle etc., are not specifically limited herein.
In the above-described embodiments, illustratively, referring to Fig. 1 to Fig. 5, the aerial radiation device is dual polarization antenna radiation
Device, specifically, the radiating element 1 include two pairs of oscillator arms；Two pairs of oscillator arms, respectively in square block and around
It is a little successively arranged on same plane, and close to each other；Oscillator arms described in one pair of them are respectively the first oscillator arms 10 and
Two oscillator arms 11, oscillator arms described in another pair are respectively third oscillator arms 12 and the 4th oscillator arms 13；The quantity of the feed body
Be two, respectively the first feed body 20 for being fed to first oscillator arms 10 with second oscillator arms 11 and
The second feed body 21 for being fed to the third oscillator arms 12 with the 4th oscillator arms 13；The feed cable 4
Quantity be two, respectively the first feed cable 4 and the second feed cable 4；The inner conductor of first feed cable 4 and institute
The connection of the first feed body 20 is stated, the inner conductor of second feed cable 4 is connect with the second feed body 21.
Wherein, two pairs of oscillator arms, respectively in square block and be successively arranged in around any on same plane and mutually
It is close, enable to the layout of the oscillator arms more compact in this way, so that in the limited situation in space, it can be as much as possible
The size of entire radiating element 1 is improved, to be conducive to improve the bandwidth of the aerial radiation device.Wherein, the present embodiment energy
Enough design size is only 0.35 Antenna Operation signal wavelength ± 45。Dual polarization antenna radiation unit 1.
It should be noted that the aerial radiation device can also be single-polarized antenna radiation appliance etc..Furthermore, it is possible to manage
Solution, the oscillator arms can also be fan shape or triangle etc., be not specifically limited herein.
Specifically, referring to Fig. 1 to Fig. 5, it is solid that the top surface of the inner end of first oscillator arms 10 has extended upward first
Fixed column 101, the inner end of second oscillator arms 11 offer the first fixation hole 102 through its upper and lower surface；The third
The top surface of the inner end of oscillator arms 12 and top surface recessed be embedded of the inner end of the 4th oscillator arms 13 are set, and the third is shaken
The top surface of the inner end of sub- arm 12 has extended upward the second fixed column 103, and the inner end of the 4th oscillator arms 13 offers
Through the second fixation hole 104 of its upper and lower surface；First feed cable 4 second segmentation 41 the dielectric layer with it is described
The cooperation of first fixation hole 102, and the inner conductor of the first segmentation 40 of first feed cable 4 is upward through described first
Fixation hole 102；The dielectric layer and second fixation hole 104 of second segmentation 41 of second feed cable 4 cooperate, and
The inner conductor of first segmentation 40 of second feed cable 4 is upward through second fixation hole 104；First feedback
Electric body 20 is set to the top of both the inner end of first oscillator arms 10 and the inner end of second oscillator arms 11；Its
One end, through the first matching hole 200 having with first fixed column 101 mating connection；Its other end, through having and described
The second matching hole 201 that the inner conductor of first segmentation 40 of one feed cable 4 is cooperatively connected；The second feed body 21,
The recess of its inner end for being set to the third oscillator arms 12 and both inner ends of the 4th oscillator arms 13；Described second
One end for feeding body 21, through the third matching hole 210 having with second fixed column 103 mating connection；Second feed
The other end of body 21, through have the inner conductor mating connection for being segmented 40 with the first of second feed cable 4 the 4th
Matching hole 211.
Wherein, by allow the third oscillator arms 12 inner end top surface and the 4th oscillator arms 13 inner end
Top surface recessed be embedded is set, and allows described second to feed inner end and fourth oscillator of the body 21 set on the third oscillator arms 12
The recess of both inner ends of arm 13 enables to the structure of the aerial radiation device more compact in this way, smaller.
Illustratively, referring to Fig. 6 to Fig. 7, the balun support construction 3 include the first balun arm 30, the second balun arm 31,
Third balun arm 32, the 4th balun arm 33 and bottom plate 34；The first balun arm 30, the second balun arm 31, the third
Balun arm 32 and the 4th balun arm 33 4 are upwardly extended out by the top surface of the bottom plate 34, and four interval
It is arranged and successively arranges around the center of the top surface of the bottom plate 34；The top of the first balun arm 30 connects and supports
The first oscillator arms 10 are stated, the top of the second balun arm 31 has connected and supported second oscillator arms 11, the third bar
The top of human relations arm 32 has connected and supported the third oscillator arms 12, and the top of the 4th balun arm 33 connects and supports
State the 4th oscillator arms 13；The outer conductor and the second balun arm 31 of the third segmentation 42 of first feed cable 4 connect
It connects, the outer conductor of the third segmentation 42 of second feed cable 4 is connect with the 4th balun arm 33.It needs to illustrate
It is the connection types such as balun arm can be integrally formed or weld with the connection relationship of corresponding oscillator arms, does not do herein specific
It limits.
In conclusion the above embodiment of the present invention is in the oscillator arms by offering the hollowed out area 100, in this way
The beamwidth of antenna of the aerial radiation device can be effectively increased, and the size of the radiating element 1 can be reduced.Wherein, spoke
The size for penetrating unit 1 can be only 0.35 Antenna Operation signal wavelength.In addition, the institute at the top by the feed cable 4
One section of impedance matching network will be constituted with the balun support construction 3 by stating one section, realize the feed to the antenna oscillator
And the adjusting of impedance bandwidth, the bandwidth of aerial radiation device can be further increased.Wherein, the beamwidth of antenna meet standing-wave ratio SWR <
1.5 impedance bandwidth has reached 45%.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any ripe
The technical staff of art technology is known in technical scope disclosed by the invention, any changes or substitutions that can be easily thought of, should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (10)
1. a kind of aerial radiation device characterized by comprising
Radiating element, including at least a pair of oscillator arms for being equipped with hollowed out area and being spaced apart from each other setting；
At least one feed body, each feed body is for feeding corresponding a pair oscillator arms；
Balun support construction, set on the radiating element lower section and support the radiating element, and with the radiating element connect
It connects；And
An at least feed cable, at the top of one section be divided into from top to bottom the first segmentation, second segmentation and third segmentation；Its
In, the exposed setting of inner conductor of first segmentation of the feed cable simultaneously connects, the feedback with the corresponding feed body
The exposed setting of dielectric layer of second segmentation of electrical cables, the outer conductor of the third segmentation of the feed cable is exposed to be set
It sets and is connect with the balun support construction.
2. aerial radiation device according to claim 1, which is characterized in that the close feedback of the balun support construction
Described one section of everywhere lateral wall of electrical cables, extend outward there are two along short transverse be arranged limited block；
Two limited blocks on lateral wall described in everywhere form a limiting slot, one section of correspondence of the feed cable
It is limited in the limiting slot, and the outer conductor of the third segmentation of the feed cable is connect with the limited block.
3. aerial radiation device according to claim 2, which is characterized in that described in two on lateral wall described in everywhere
Limited block is in the setting of eight words from top to bottom.
4. aerial radiation device according to claim 1, which is characterized in that each oscillator arms with the balun branch
Support structure is connected as one or is integrally formed, and the outer surface of the balun support construction is coated with tin layers.
5. aerial radiation device according to claim 1, which is characterized in that further include reflecting plate；
The balun support construction is set on the top surface of the reflecting plate.
6. aerial radiation device according to claim 1, which is characterized in that the length of second segmentation is 0.25 antenna
Operating signal wavelengths.
7. aerial radiation device according to claim 1, which is characterized in that the hollowed out area is oval in class, and its
Long axis moves towards consistent with both the inner end of the oscillator arms and outboard end trends of line.
8. aerial radiation device according to any one of claims 1 to 7, which is characterized in that the radiating element includes two
To the oscillator arms；
Two pairs of oscillator arms are respectively in square block and are successively arranged on same plane around a bit, and close to each other；Wherein
A pair of oscillator arms are respectively the first oscillator arms and the second oscillator arms, oscillator arms described in another pair be respectively third oscillator arms and
4th oscillator arms；
The quantity of the feed body is two, respectively for feeding to first oscillator arms and second oscillator arms
The first feed body and the second feed body for being fed to the third oscillator arms and the 4th oscillator arms；
The quantity of the feed cable is two, respectively the first feed cable and the second feed cable；The first feed electricity
The inner conductor of cable is connect with the first feed body, and the inner conductor of second feed cable is connect with the second feed body.
9. aerial radiation device according to claim 8, which is characterized in that
The top surface of the inner end of first oscillator arms has extended upward the first fixed column, the inner end of second oscillator arms
Offer the first fixation hole through its upper and lower surface；
The top surface of the inner end of the third oscillator arms and top surface recessed be embedded of the inner end of the 4th oscillator arms are set, and institute
The top surface for stating the inner end of third oscillator arms has extended upward the second fixed column, and the inner end of the 4th oscillator arms offers
Through the second fixation hole of its upper and lower surface；
The dielectric layer and first fixation hole of second segmentation of first feed cable cooperate, and first feed
The inner conductor of first segmentation of cable is upward through first fixation hole；
The dielectric layer and second fixation hole of second segmentation of second feed cable cooperate, and second feed
The inner conductor of first segmentation of cable is upward through second fixation hole；
The first feed body, is set to both the inner end of first oscillator arms and the inner end of second oscillator arms
Top；One end, through the first matching hole having with first fixed column mating connection；Its other end, through have with it is described
The second matching hole that the inner conductor of first segmentation of the first feed cable is cooperatively connected；
The second feed body, is set to both the inner end of the third oscillator arms and the inner end of the 4th oscillator arms
Recess；One end, through the third matching hole having with second fixed column mating connection；Its other end, through having and institute
State the 4th matching hole that the inner conductor of the first segmentation of the second feed cable is cooperatively connected.
10. aerial radiation device according to claim 8, which is characterized in that the balun support construction includes first bar
Human relations arm, the second balun arm, third balun arm, the 4th balun arm and bottom plate；
The first balun arm, the second balun arm, the third balun arm and the 4th balun arm are by described
The top surface of bottom plate upwardly extends out, and four interval is arranged and successively arranges around the center of the top surface of the bottom plate；
First oscillator arms are connected and supported at the top of the first balun arm, the top connection of the second balun arm is simultaneously
Second oscillator arms are supported by, have connected and supported the third oscillator arms at the top of the third balun arm, the described 4th
The 4th oscillator arms have been connected and supported at the top of balun arm；
The outer conductor of the third segmentation of first feed cable is connect with the second balun arm, the second feed electricity
The outer conductor of the third segmentation of cable is connect with the 4th balun arm.
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| CN201910256736.8A CN110011034A (en) | 2019-03-29 | 2019-03-29 | A kind of aerial radiation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910256736.8A CN110011034A (en) | 2019-03-29 | 2019-03-29 | A kind of aerial radiation device |
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| CN110011034A true CN110011034A (en) | 2019-07-12 |
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| CN201910256736.8A Pending CN110011034A (en) | 2019-03-29 | 2019-03-29 | A kind of aerial radiation device |
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| CN112787079A (en) * | 2019-11-07 | 2021-05-11 | 罗森伯格技术有限公司 | Miniaturized direct current grounding radiation unit and antenna |
| CN113871856A (en) * | 2021-09-24 | 2021-12-31 | 京信通信技术(广州)有限公司 | High-frequency radiation unit and multi-frequency base station antenna |
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