CN109672016A - A kind of antenna radiation unit - Google Patents
A kind of antenna radiation unit Download PDFInfo
- Publication number
- CN109672016A CN109672016A CN201710962071.3A CN201710962071A CN109672016A CN 109672016 A CN109672016 A CN 109672016A CN 201710962071 A CN201710962071 A CN 201710962071A CN 109672016 A CN109672016 A CN 109672016A
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- China
- Prior art keywords
- coupled
- oscillator arms
- radiating element
- antenna radiation
- radiation unit
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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- Support Of Aerials (AREA)
- Details Of Aerials (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
Present invention discloses a kind of antenna radiation units, dipole radiating element, a plurality of feed Baluns being connected with dipole radiating element, complex root coaxial cable including the setting of two pairs of polarization orthogonals, dipole radiating element includes two oscillator arms, an extension is downwardly extending from oscillator arms, extension and oscillator arms form the cyclic structure of a closure, oscillator arms one terminate feed Balun, and coupled structure is arranged on the other end and the end of adjacent vibration generators arm.The present invention improves the impedance matching property etc. of its broadband character and radiating element by improving the structure of oscillator arms, keeps its application more extensive.
Description
Technical field
The present invention relates to antenna for base station fields, more particularly, to a kind of antenna radiation unit of adjustable working frequency range.
Background technique
It is one kind that CN103337712B is disclosed that the relevant prior art of the present invention, which can refer to Chinese invention patent notification number,
Antenna radiation unit and its feed method, the antenna radiation unit include the dipole radiating element of two pairs of polarization orthogonals setting,
Each dipole radiating element passes through a balun respectively and is installed in metallic reflection plate；Each balun includes being disposed adjacent in parallel
Two support columns, each dipole radiating element include two unit arms being symmetrically individually fixed on two support columns.It should
The end of the three suspended sub- arms of square ring self-vibration starts to extend in oscillator arms in scheme, and does not set between adjacent vibration generators arm
Coupled structure is set, the oscillator arms intensity of this structure is weaker, and electric property is poor, and oscillator working frequency cannot change, application
It is inflexible.
Summary of the invention
It is an object of the invention to overcome the deficiencies of existing technologies, a kind of antenna radiation unit is provided, using multiple couplings
Structure is widely used it effectively to widen the working frequency range of antenna for base station.
To achieve the above object, the following technical solutions are proposed: a kind of antenna radiation unit by the present invention comprising two pairs of polarization
The dipole radiating element of orthogonal setting, a plurality of feed Baluns being connected with dipole radiating element, complex root coaxial cable,
The dipole radiating element includes two oscillator arms, and the both ends of the oscillator arms are respectively the first coupled end and the second coupling
End, first coupled end of two of each dipole radiating element is adjacent, and first coupled end connects a feed
Balun is downwardly extending an extension from the oscillator arms, and the extension and oscillator arms form the cyclic structure of a closure,
The first coupled structure is provided in described two the second adjacent coupled ends.
Preferably, the oscillator arms include main part and coupling part, and the main part is from a side of coupling part to downward
It stretches to be formed, and is arranged in obtuse angle with coupling part.
Preferably, the bottom of the main part is formed at least one step.
Preferably, the cyclic structure for the closure that the extension and oscillator arms are formed is straight-flanked ring.
Preferably, first coupled structure includes bridging separator and the first coupling of two adjacent second coupled ends
Part, the separator is between the first male part and oscillator arms.
Preferably, the separator is insulating materials, and the first male part is metal material.
Preferably, the corresponding coaxial cable of each dipole radiating element and two feed Baluns, described this is same
Shaft cable is immobilizated in a feed Balun, and is electrical connected with another feed Balun.
Preferably, the second coupling is provided in the two adjacent feed Baluns being connected with each dipole radiating element
Close structure.
Preferably, second coupled structure includes the second male part for being installed on two adjacent the first coupled ends.
Preferably, second coupled structure further includes the third male part being installed in two adjacent feed Baluns.
Preferably, second male part includes the first retention bead portion, two the first coupling parts and two fixed parts, institute
The first retention bead portion is stated to be stuck between two feed Baluns；Two end faces in first retention bead portion extend outward to form
Described two first coupling parts, first coupling part are attached on the feed Balun surface of respective side；By two first couplings
Outward bending extends to form described two fixed parts respectively on the top in conjunction portion, and two fixed parts are separately fixed at the oscillator arms of respective side
On.
Preferably, the third male part includes the second retention bead portion and two the second coupling parts, second limit
Lug boss is stuck between two feed Baluns, and two end faces in second retention bead portion extend outward to form it is described two
Second coupling part, each second coupling part are fixed on the feed Balun surface of respective side.
The beneficial effects of the present invention are:
1, in oscillator arms straight-flanked ring setting position, widened the coupling gap between oscillator arms, and with oscillator arms it
Between the combination of coupled structure that is arranged can be adjusted by characteristics such as the length, thickness, the relative dielectric constants that change coupled structure
The working frequency range for saving oscillator, makes it not only and can be adapted for broadband 690-960KHZ working frequency range, but also can be adapted for therein narrow
It is flexible to apply comparison for frequency band.
2, the coupled structure being arranged between oscillator arms and between feed Balun, enhances oscillator strength, guarantee oscillator arms,
Coupling clearance distance between feed Balun, and the coupling clearance distance between feed Balun, on the one hand conducive to coaxial cable
On the other hand feed is conducive to the welding of oscillator unit；The big of gap is coupled between oscillator arms, feed Balun additionally by adjusting
It is small, the standing wave and pattern characteristics of adjustable antenna.
3, the irregular structure of the rectangle gradual change of oscillator arms, can obtain broadband character, conducive to the impedance of radiating element
Match；And the axial cross polarization that can optimize antenna of rectangle ring structure and front and back are than the two indexs, by using this structure, day
The axial cross polarization of line can improve 5 dB or so, and front and back ratio can improve 7 dB or so.
4, the present invention uses 4 coaxial cable feeds, and the assembling of antenna is conducive to using this feeding classification.
Detailed description of the invention
Fig. 1 is part configuration schematic diagram of the invention；
Fig. 2 is the structural schematic diagram after assembling of the invention；
Fig. 3 is side structure schematic view of the invention；
Fig. 4 is overlooking structure diagram of the invention；
Fig. 5 is present invention looks up structural representation of the invention；
Fig. 6 is the structural schematic diagram of the second male part of the invention；
Fig. 7 is the structural schematic diagram of third male part of the present invention.
Appended drawing reference:
1, feed Balun, 2, coaxial cable, 3, oscillator arms, 31, main part, 32, coupling part, the 33, first coupled end, 34,
Second coupled end, the 4, second coupling gap, the 5, first coupling gap, 6, extension, 7, separator, the 8, first male part, 9, the
Two male parts, the 91, first retention bead portion, the 92, first coupling part, 93, fixed part, 10, third male part, the 101, second limit
Lug boss, the 102, second coupling part, 11, coaxial cable pad, 12, locating part.
Specific embodiment
Below in conjunction with attached drawing of the invention, clear, complete description is carried out to the technical solution of the embodiment of the present invention.
A kind of disclosed antenna radiation unit, by improve oscillator arms structure come improve its broadband character and
The impedance matching property etc. of radiating element.
In conjunction with shown in FIG. 1 to FIG. 5, a kind of revealed antenna radiation unit of the embodiment of the present invention, including two pairs of polarization are just
Hand over dipole radiating element (i.e. four dipole radiating elements), the multiple feed Baluns 1, more coaxial cables 2, first of setting
Coupled structure and the second coupled structure.Dipole radiating element is installed in reflecting plate (not shown) by feed Balun 1, each
The corresponding coaxial cable 2 of dipole radiating element and two feed Baluns 1, the coaxial cable 2 are immobilizated in a feed Balun 1
On, and be electrically weldingly connected with another feed Balun 1, form antenna of mobile communication base station.
Each dipole radiating element includes two oscillator arms 3, in the present embodiment, two of each dipole radiating element
Oscillator arms 3 are perpendicular, i.e., angle is in 90 degree.In this way, 8 combinations of oscillator arms 3 form a rectangle structure.
Each oscillator arms 3 have the first coupled end 33 and the second coupled end 34 for being respectively arranged on both ends, each dipole spoke
Two the first coupled ends 33 for penetrating unit are adjacent, and the first coupled end 33 connects a feed Balun 1, due to the of two oscillator arms 3
One coupled end 33 is adjacent, so two feed Baluns 1 with them are also adjacent, and there are second between two feed Baluns 1
Gap 4 is coupled, above-mentioned second coupled structure is installed on the second coupling gap 4.Second coupled end 34 of oscillator arms 3 with
Between second coupled end 34 of adjacent oscillator arms there are first coupling gap 5, above-mentioned first coupled structure be installed on this first
It couples on gap 5.
Each oscillator arms include main part 31 and coupling part 32, and in the present embodiment, coupling part 32 is horizontally disposed, elongated in one
Metallic sheet-like formation；Main part 31 is downwardly extending by a side of coupling part 32, and its folder between coupling part 32
In obtuse angle, in the present embodiment, main part 31 is the irregular shape of rectangle gradual change, i.e. the bottom square that is formed with an at least step at angle
Shape grading structure, the structure can obtain broadband character, conducive to the impedance matching of radiating element.
In the present embodiment, from the medium position of coupling part 32 but it is not limited to medium position and is downwardly extending an extension 6,
And 33 He of the first coupled end that the cyclic structure of one closure of extension 6 and the formation of coupling part 32, i.e. extension 6 are located at oscillator arms 3
Between second coupled end 34, compared with the structure that existing extension 6 is directly downwardly extending from the both ends of coupling part 32, this hair
The extension structure that the bright middle part from coupling part 32 is downwardly extending has widened the coupling clearance distance between oscillator arms 3, with
First coupled structure combines, and the working frequency range of adjustable oscillator keeps its application range more flexible.
The cyclic structure for the closure that extension 6 and coupling part 32 are formed is preferably straight-flanked ring, be also possible to three square rings etc. its
His shape includes 8 straight-flanked rings in the present embodiment, and the effect of the cyclic structure is mainly used for the axial cross polarization of optimization antenna
With front and back than the two indexs, by using this structure, the axial cross polarization of antenna can improve 5 dB or so, front and back
Than 7 dB or so that can improve.
First coupled structure connects the second coupled end 34 of two neighboring oscillator arms, constitutes the coupling knot between oscillator arms
Structure enables oscillator unit of the present invention to obtain wider working frequency range.As shown in Figure 1, in the present embodiment, the first coupled structure
Separator 7 and the first male part 8 are specifically included, separator 7 bridges two adjacent second coupled ends 34, i.e. one end is fixed on one
In second coupled end 34, the other end is fixed in another second coupled end 34 adjacent with second coupled end, by being isolated
It is arranged on part 7 and oscillator arms for the perforative fixation hole of screw, is fixed separator 7 with oscillator arms using modes such as screws.And every
Off member 7 is located between oscillator arms and the first male part 8, and separator 7 here is plastic part, on the one hand increases oscillator strength,
Guarantee the coupling clearance distance between oscillator arms；On the other hand also play metal (the first male part) and metal (oscillator arms) every
The effect debugged from effect and standing wave.
First male part 8 is stacked on separator 7, and same both ends bridge two adjacent second coupled ends 34 respectively, and
Its both ends is provided with and is arranged concentrically on separator 7 and the second coupled end 34 for the perforative fixation hole of screw, using screw according to
It is secondary to pass through the first male part 8, the perforation on separator 7, the first male part 8, separator 7 are fixed in oscillator arms 3.This implementation
In example, the first male part 8 is sheet metal, in structure, increases oscillator strength, guarantees the coupling gap between oscillator arms 3
Distance；Electrically, the coupled structure feature between oscillator arms 3 is together constituted with above-mentioned separator 7, by adjusting separator 7
The parameters such as thickness, relative dielectric constant, the length and width of size and the first male part 8 and size, the work of adjustable oscillator
Frequency range can make it not only in this way and can be adapted for broadband 690-960KHZ working frequency range, but also can be adapted for narrow-band therein,
It is flexible to apply comparison.
Second coupled structure connects two adjacent feed Baluns 1, constitutes the coupled structure between feed Balun 1.This
In embodiment, the second coupled structure includes the second male part 9 and third male part 10, wherein the second male part 9 is installed on dipole
Top position (i.e. the first coupled ends 33 of oscillator arms 3) between the sub- connected two adjacent feed Baluns 1 of radiating element and
Connect two oscillator arms 3；Third male part 10 is installed between the connected two adjacent feed Baluns 1 of dipole radiating element
Medium position and connection two feed Baluns 1.On the one hand the scheme coupled using the second coupled structure is conducive to increase oscillator
Intensity, while prevent antenna vibration coaxial cable 2 is caused to damage, on the other hand be conducive to oscillator unit welding, pass through tune
The standing wave and pattern characteristics of the adjustable antenna of size in the second coupling of section gap.
Specifically, in conjunction with shown in Fig. 1 and Fig. 6, the second male part 9 includes the coupling of 91, two first, the first retention bead portion
Portion 92 and two fixed parts 93, wherein the first retention bead portion 91 is stuck between two feed Baluns 1, the first retention bead portion
91 two end faces extend outward to form above-mentioned two first coupling part 92, and the first coupling part 92 is attached on 1 surface of feed Balun, and
It constitutes a card slot matched with the end face of feed Balun 1 between the first retention bead portion 91, and the second male part 9 is by being somebody's turn to do
Card slot is fixed onto the feed Balun 1 of respective side；By the top of two the first coupling parts 92 on outward bending extends to form respectively
State two fixed parts 93, two fixed parts 93 are separately fixed on the first coupling part 92 of the oscillator arms 3 of respective side, by screw and
The structure of perforation cooperation is fixed.Second male part 9 increases oscillator strength, guarantees the coupling gap between feed Balun 1, thus
Adjustable vibrator standing wave.
In conjunction with shown in Fig. 1 and Fig. 7, third male part 10 includes the second retention bead portion 101 and two the second coupling parts
102, two end faces in the second retention bead portion 101 extend outward to form above-mentioned two second coupling part 102, the second retention bead
Portion 101 is stuck between two feed Baluns 1, and the second coupling part 102 is attached on 1 surface of feed Balun, and its with respective side
A card slot matched with the end face of feed Balun is constituted between two retention bead portions 101, third male part 10 passes through the card slot
It fixes in the feed Balun 1 of respective side, and between the second coupling part 102 and corresponding feed Balun 1, also pass through screw and wears
The structure of hole cooperation is fixed.Third male part 10 equally increases oscillator strength, prevents antenna vibration from causing to damage to coaxial line,
And guarantee the coupling gap between balun.In the present embodiment, the second male part 9 and third male part 10 are plastic part.
As alternative embodiment, the second male part 9 and third male part 10 in above-mentioned second coupled structure can also be only
Setting wherein one, the second male part 9 is such as only set, is also able to achieve enhancing oscillator strength, guarantees the coupling between feed Balun 1
The effect in gap, it is only slightly weaker in enhancing oscillator strength.
Two feed Baluns 1 of each dipole radiating element connection, wherein the upper end setting one of a feed Balun 1 is to another
The coaxial cable pad 11 that one feed Balun extends, coaxial cable pad 11 are located at the first retention bead portion 91 of the second male part
Lower section.Coaxial cable 2 is arranged along the one side of another feed Balun 1, passes through the multiple limits formed in another feed Balun
The limit of part 12 is fixed, and its inner conductor is welded and fixed with coaxial cable pad 11.In this way, being provided with 4 in radiating element of the present invention
Root coaxial cable 2 is conducive to the assembling of antenna using this feeding classification.
In addition, since coaxial cable pad 11 is located at the lower section in the first retention bead portion 91 of the second male part, so the
One retention bead portion 91 also plays the effect for guaranteeing the gap between coaxial cable pad 11 and feed Balun 1 simultaneously.
The present invention integrally uses sheet metal structural, is readily produced and can reduce antenna overall weight.
Technology contents and technical characteristic of the invention have revealed that as above, however those skilled in the art still may base
Make various replacements and modification without departing substantially from spirit of that invention, therefore, the scope of the present invention in teachings of the present invention and announcement
It should be not limited to the revealed content of embodiment, and should include various without departing substantially from replacement and modification of the invention, and be this patent Shen
Please claim covered.
Claims (10)
1. a kind of antenna radiation unit comprising dipole radiating element, a plurality of and dipole of two pairs of polarization orthogonals setting
The connected feed Balun of radiating element, complex root coaxial cable, the dipole radiating element include two oscillator arms, the vibration
The both ends of sub- arm are respectively the first coupled end and the second coupled end, first coupled end of two of each dipole radiating element
It is adjacent, and first coupled end connects a feed Balun, which is characterized in that one is downwardly extending from the oscillator arms
Extension, the extension and oscillator arms form the cyclic structure of a closure, are arranged in described two the second adjacent coupled ends
There is the first coupled structure.
2. antenna radiation unit according to claim 1, which is characterized in that the oscillator arms include main part and coupling
Portion, the main part are downwardly extending by a side of coupling part, and are arranged in obtuse angle with coupling part.
3. antenna radiation unit according to claim 2, which is characterized in that the bottom of the main part is formed at least one
A step.
4. antenna radiation unit according to claim 1, which is characterized in that the closure of the extension and oscillator arms formation
Cyclic structure be straight-flanked ring.
5. antenna radiation unit according to claim 1, which is characterized in that first coupled structure includes bridging two
The separator and the first male part of the second adjacent coupled end, the separator is between the first male part and oscillator arms.
6. antenna radiation unit according to claim 5, which is characterized in that the separator is insulating materials, the first coupling
Component is metal material.
7. antenna radiation unit according to claim 1, which is characterized in that each dipole radiating element corresponding one
Root coaxial cable and two feed Baluns, the described coaxial cable are immobilizated in a feed Balun, and with another feed Balun
It is electrical connected.
8. antenna radiation unit according to claim 1, which is characterized in that be connected with each dipole radiating element
Two adjacent feed Baluns on be provided with the second coupled structure.
9. antenna radiation unit according to claim 8, which is characterized in that second coupled structure includes being installed on phase
Second male part of two adjacent the first coupled ends.
10. antenna radiation unit according to claim 9, which is characterized in that second coupled structure further includes installation
Third male part in two adjacent feed Baluns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962071.3A CN109672016A (en) | 2017-10-13 | 2017-10-13 | A kind of antenna radiation unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710962071.3A CN109672016A (en) | 2017-10-13 | 2017-10-13 | A kind of antenna radiation unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109672016A true CN109672016A (en) | 2019-04-23 |
Family
ID=66140350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710962071.3A Pending CN109672016A (en) | 2017-10-13 | 2017-10-13 | A kind of antenna radiation unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109672016A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129773A (en) * | 2019-09-30 | 2020-05-08 | 京信通信技术(广州)有限公司 | Deviation adjusting device and radiation unit |
| CN111129734A (en) * | 2019-12-31 | 2020-05-08 | 京信通信技术(广州)有限公司 | Antenna and radiation unit |
-
2017
- 2017-10-13 CN CN201710962071.3A patent/CN109672016A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111129773A (en) * | 2019-09-30 | 2020-05-08 | 京信通信技术(广州)有限公司 | Deviation adjusting device and radiation unit |
| CN111129773B (en) * | 2019-09-30 | 2021-05-28 | 京信通信技术(广州)有限公司 | Deviation adjusting device and radiation unit |
| CN111129734A (en) * | 2019-12-31 | 2020-05-08 | 京信通信技术(广州)有限公司 | Antenna and radiation unit |
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Address after: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: Rosenberg Technology Co.,Ltd. Address before: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: ROSENBERGER TECHNOLOGY ( KUNSHAN) Co.,Ltd. |
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Address after: 215300 No.6 Shen'an Road, Dianshanhu Town, Kunshan City, Suzhou City, Jiangsu Province Applicant after: ProLogis Communication Technology (Suzhou) Co.,Ltd. Address before: 215345 No. 6 Shen'an Road, Dianshan Lake Town, Kunshan City, Suzhou City, Jiangsu Province Applicant before: Rosenberg Technology Co.,Ltd. |
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