CN206098701U - Printed dipole oscillator - Google Patents
Printed dipole oscillator Download PDFInfo
- Publication number
- CN206098701U CN206098701U CN201621175569.2U CN201621175569U CN206098701U CN 206098701 U CN206098701 U CN 206098701U CN 201621175569 U CN201621175569 U CN 201621175569U CN 206098701 U CN206098701 U CN 206098701U
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- Prior art keywords
- oscillator
- dielectric
- slab
- unit
- printed dipole
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Abstract
The utility model relates to a printed dipole oscillator, including the dielectric plate, still including setting up the feed portion at dielectric plate middle part and encircleing feed portion sets up a plurality of dipole units of dielectric plate, every the dipole unit is including setting up front oscillator arm and reverse side oscillator arm positive at the dielectric plate, the reverse side respectively, feed portion gives front oscillator arm and reverse side oscillator arm feed. The utility model discloses simple structure, small, it is few to constitute the part, and the easily production has the performance of high -gain, broadband, and its standing -wave ratio of frequency band within range 45% is less than 1.5, can satisfy the requirement of the indoor cover of 4G mobile communication system.
Description
【Technical field】
This utility model is related to antenna of mobile communication base station field, relates particularly to a kind of indoor bipolarization ceiling series
The printed dipole oscillator of the horizontal polarization of antenna.
【Background technology】
Ceiling mount antenna is the common components of mobile communication system in-door covering, and bipolarization ceiling is even more into the 4G epoch and runs
The new demand of business and the trend of mainstream market.
With the arrival in 4G epoch, multiple data stream technology (MIMO) is used in 4G systems, improve the capacity eated dishes without rice or wine and hold
Loading capability, therefore in-door covering is it is necessary that with multiple antennas, so original indoor distributed system needs transformation, increases a-road-through
Road, can aside install another antenna, it is also possible to substitute original single-polarized antenna with dual polarized antenna, reduce to interior
The destruction of environment.Existing printed dipole oscillator performance is not high, and volume is larger, it is impossible to meets in 4G mobile communication system room and covers
The requirement of lid.
【Utility model content】
The purpose of this utility model is to overcome the shortcomings of above-mentioned technology, there is provided one kind has high-gain, wide band print
Brush dipole element, meets the requirement of 4G mobile communication system in-door coverings.
A kind of printed dipole oscillator that this utility model is provided, including dielectric-slab, also arrive the dielectric-slab including arranging
The current feed department at middle part and some doublet units around current feed department setting to dielectric-slab, each described doublet unit
Including dielectric-slab front, the front oscillator arms of reverse side and reverse side oscillator arms are separately positioned on, the current feed department gives front oscillator arms
With reverse side oscillator arms feed.
Further, the front oscillator arms and reverse side oscillator arms of each doublet unit are respectively from doublet unit
Center extends towards contrary circumferencial direction.
Further, each described doublet unit is projected as zhou duicheng tuxing on the dielectric-slab.
Further, also guide parasitic oscillator unit into the dielectric-slab including some settings, guide into described in each and post
Raw oscillator unit is located at the radial outside of correspondence doublet unit.
Further, the front that parasitic oscillator unit is arranged on the dielectric-slab is guided described in each into, and each is guided into and posts
The two ends of raw oscillator unit extend from the center of correspondence doublet unit towards contrary circumferencial direction.
Further, the week of the circumferential lengths less than each doublet unit of parasitic oscillator unit is guided described in each into
To length.
Further, also including some reflection parasitism oscillator units arranged to the dielectric-slab, each described reflection is posted
Raw oscillator unit is located at the radial outside of the current feed department and is located between two adjacent doublet units.
Further, each described reflection parasitism oscillator unit includes arranging to the positive main body of the dielectric-slab, described
Main body substantially radially extending along the dielectric-slab.
Further, each described reflection parasitism oscillator unit also includes arranging to the positive L-type part of the dielectric-slab,
The L-type part includes the first arm and the second arm, first arm be installed to the front of the dielectric-slab and with it is corresponding
The main body radial inner end connection, second arm is connected to the radial inner end of first arm and stretches out in described
Dielectric-slab.
Further, the current feed department has coaxial cable, oscillator arms feedback in front described in the interior wick feed of the coaxial cable
Electricity, reverse side oscillator arms feed described in the outer wick feed of the coaxial cable；The front of the dielectric-slab is additionally provided with barron structure to be used for
Balance the non-equilibrium effect that the coaxial feed is brought.
This utility model simple structure, small volume, building block is few, it is easy to produce, with high-gain, wide band property
Can, its standing-wave ratio is less than 1.5 in 45% frequency band range, and frequency range meets 4G movements across 1710MHz-2690MHz
The requirement of communication system in-door covering.
【Description of the drawings】
A kind of schematic perspective view of printed dipole oscillator that Fig. 1 is provided for the embodiment of this utility model one；
Fig. 2 is the front schematic view of printed dipole oscillator shown in Fig. 1；
Fig. 3 is the schematic rear view of printed dipole oscillator shown in Fig. 1.
【Specific embodiment】
With reference to the accompanying drawings and examples the utility model will be further described.
With reference to a kind of printed dipole oscillator that Fig. 1, Fig. 2 and Fig. 3, this utility model are provided, for 4G mobile communication system
The horizontal polarization part of the indoor Dual-polarization ceiling antenna of system, including dielectric-slab 10, the current feed department of setting to the middle part of dielectric-slab 10
And some doublet units 21 to dielectric-slab 10 are set around current feed department.Dielectric-slab 10 it is generally circular in shape, material is ring
Oxygen tree fat glass mat, dielectric constant is 4.4.Some doublet units 21 arrange dielectric-slab 10 by way of printing.
Each doublet unit 21 includes that being separately positioned on the front of dielectric-slab 10, the front oscillator arms 22 of reverse side and reverse side shakes
Sub- arm 23, current feed department feeds to front oscillator arms 22 and reverse side oscillator arms 23.The front oscillator arms 22 of each doublet unit 21
Extend towards contrary circumferencial direction from the center of doublet unit 21 respectively with reverse side oscillator arms 23, and the throwing on dielectric-slab 10
Shadow is zhou duicheng tuxing.In the present embodiment, the quantity of doublet unit 21 is six, and along the circumferential equal of the current feed department of dielectric-slab 10
Even interval setting.Printed dipole oscillator structure of the present utility model is simple, while there is high-gain, wide band performance,
Its standing-wave ratio is less than 1.5 in 45% frequency band range.
Printed dipole oscillator of the present utility model also includes that some settings guide parasitic oscillator unit into dielectric-slab 10
30, each guides the radial outside that parasitic oscillator unit 30 is located at correspondence doublet unit 21 into.In the present embodiment, guide parasitism into and shake
The quantity of subelement 30 is six.Each is guided parasitic oscillator unit 30 into and is parallel to each other with corresponding doublet unit 21 and is passive
Parasitic oscillator unit, to correspondence doublet unit 21 play guiding into effect, expanded operating frequency broadband, enhance correspondence idol
The emittance of pole subelement 21 is so as to improving gain.
In the present embodiment, each guides the front that parasitic oscillator unit 30 is arranged on dielectric-slab 10 into, and each guides parasitism into
The two ends of oscillator unit 30 extend from the center of correspondence doublet unit 21 towards contrary circumferencial direction.Each guides parasitic oscillator into
Circumferential lengths of the circumferential lengths of unit 30 less than each doublet unit 21.Preferably, each guides parasitic oscillator unit 30 into
Circumferential lengths be each doublet unit 21 circumferential lengths 70% to 90%.
It is near the edge of dielectric-slab 10 and parallel with corresponding doublet unit 21 that each guides parasitic oscillator unit 30 into.Guide into
Parasitic oscillator unit 30 be an arc banded structure, edge of the arc ribbon mechanism parallel to dielectric-slab 10.Arc ribbon mechanism
Material be Copper Foil.
Printed dipole oscillator of the present utility model also includes some reflection parasitism oscillator units arranged to dielectric-slab 10
40, each parasitic oscillator unit 40 of reflection be located at the radial outside of current feed department and positioned at two adjacent doublet units 21 it
Between.In the present embodiment, the quantity of the parasitic oscillator unit 40 of reflection is six.The parasitic oscillator unit 40 of reflection plays reflection,
The reflected energy of doublet unit 21 is increased, that is, is beneficial to improve gain, and reduce standing-wave ratio to a certain extent.
The parasitic oscillator unit 40 of each reflection includes being arranged on the positive main body 41 of dielectric-slab 10 and L-type part 42.Main body
41 near the edge of dielectric-slab 10.L-type part 42 is perpendicular to the front of dielectric-slab 10.Being shaped as main body 41 is square, and material is
Copper Foil, substantially the radially extending along dielectric-slab 10 of main body 41.The material of L-type part 42 for aluminium material.L-type part 42 includes the
One arm 421 and the second arm 422, the first arm 421 be installed to the front of dielectric-slab 10 and with the radial direction of corresponding main body 41
The inner connection, connected mode is preferably riveted.Second arm 422 is connected to the radial inner end of the first arm 421 and stretches out medium
Plate 10.The both sides of the second arm 422 are respectively formed with step 423.
Current feed department includes being arranged on the positive front current feed department 11 of dielectric-slab 10 and back side current feed department 12.Front current feed department 11
Two ends be connected to some front microstrip lines 13, each front microstrip line 13 be connected to correspondence front oscillator arms 22, the back side
The two ends of current feed department 12 are connected to some back side microstrip lines 14, and each back side microstrip line 14 is connected to correspondence back side oscillator arms
23.Center frequency wavelength of the length of front microstrip line 13 and back side microstrip line 14 all for 1/4.
Front current feed department 11 and back side current feed department 12 are approximate U-shaped banded structure, and the two of two U-shaped banded structures
Individual vertical edge forms respectively multi-stage stairs 111,121.In the present embodiment, two vertical edges of two U-shaped banded structures are formed respectively
Two-stage step 111,121.The center of the horizontal edge of two U-shaped banded structures has respectively raised 112,122.Current feed department has same
Shaft cable, coaxial cable sequentially passes through the projection 112 of the projection 122, dielectric-slab 10 and front current feed department 11 of back side current feed department 12,
And the inner core of coaxial cable is welded to the projection 112 of front current feed department 11, so as to feed to front oscillator arms 22, coaxial cable
Outer core is welded to the projection 122 of back side current feed department 12, so as to feed to back side oscillator arms 23.
Dielectric-slab 10 has the power feed hole 15 passed through for coaxial cable, and the two ends of power feed hole 15 extend through front current feed department
11 projection 112 and the projection 122 of back side current feed department 12.Thus the positive electrical signal energy transmission aspect of dielectric-slab 10, first
It is divided into two parts from power feed hole 15 to transmit to the two ends of front current feed department 11 respectively, in front, current feed department 11 is micro- with some fronts
Several pieces are divided equally in the junction of band wire 13, and by front microstrip line 13 corresponding front oscillator arms 22 are transferred to, and make each dipole
The energy that subelement 21 can be equalized distributes and can cooperate with has given play to excellent radiation effect.
The center of dielectric-slab 10 has cable-through hole 16, passes through for other circuits for polarizing.Four are additionally provided with dielectric-slab 10
Individual installing hole 17, four installing holes 17 are circumferentially uniformly arranged along dielectric-slab 10, and respectively close to corresponding front oscillator arms 22, use
In fixed installation printed dipole oscillator of the present utility model.
The front of dielectric-slab 10 is provided with barron structure 50, barron structure 50 and front microstrip line around the center of dielectric-slab 10
13 contacts, and positioned at the radial outside of front current feed department 11, the length of barron structure 50 is 1/2 center frequency wavelength, balun
The non-equilibrium effect that structure 50 can be come with unbalanced coax feed strip.The material of barron structure 50 is Copper Foil.Due to front microstrip line
13 length is 1/4 center frequency wavelength, is so needed through 3/4 center to each doublet unit 21 from power feed hole 15
Frequency wavelength, further such that the energy that each doublet unit 21 can be equalized distributes and can cooperate with has given play to excellent
Radiation effect.
Simple structure of the present utility model, small volume, building block is few, it is easy to produce, and gain is 2.5dBi, frequency range
Across 1710MHz-2690MHz.
Above example only expresses preferred implementation of the present utility model, and its description is more concrete and detailed, but and
Therefore the restriction to this utility model the scope of the claims can not be interpreted as.It should be pointed out that for the ordinary skill of this area
For personnel, without departing from the concept of the premise utility, some deformations and improvement can also be made, such as each is implemented
Different characteristic in example is combined, and these belong to protection domain of the present utility model.
Claims (10)
1. a kind of printed dipole oscillator, including dielectric-slab, it is characterised in that also including the feedback arranged in the middle part of the dielectric-slab
Electric portion and some doublet units around current feed department setting to dielectric-slab, each described doublet unit includes difference
Dielectric-slab front, the front oscillator arms of reverse side and reverse side oscillator arms are arranged on, the current feed department shakes to front oscillator arms and reverse side
Sub- arm feed.
2. printed dipole oscillator according to claim 1, it is characterised in that the front of each doublet unit shakes
Sub- arm and reverse side oscillator arms extend respectively from the center of doublet unit towards contrary circumferencial direction.
3. printed dipole oscillator according to claim 2, it is characterised in that each described doublet unit is being given an account of
Zhou duicheng tuxing is projected as on scutum.
4. printed dipole oscillator according to claim 2, it is characterised in that also arrange to the dielectric-slab including some
Guide parasitic oscillator unit into, guide into described in each parasitic oscillator unit be located at correspondence doublet unit radial outside.
5. printed dipole oscillator according to claim 4, it is characterised in that guide parasitic oscillator unit described in each into and set
Put in the front of the dielectric-slab, and each guides the two ends of parasitic oscillator unit into from the center of correspondence doublet unit towards contrary
Circumferencial direction extend.
6. printed dipole oscillator according to claim 5, it is characterised in that guide parasitic oscillator unit described in each into
Circumferential lengths of the circumferential lengths less than each doublet unit.
7. printed dipole oscillator according to claim 2, it is characterised in that also arrange to the dielectric-slab including some
Reflection parasitism oscillator unit, the parasitic oscillator unit of each described reflection is located at the radial outside of the current feed department and positioned at adjacent
Two doublet units between.
8. printed dipole oscillator according to claim 7, it is characterised in that the parasitic oscillator unit bag of each described reflection
Setting is included to the positive main body of the dielectric-slab, the main body substantially radially extending along the dielectric-slab.
9. printed dipole oscillator according to claim 8, it is characterised in that the parasitic oscillator unit of each described reflection is also
Including arranging to the positive L-type part of the dielectric-slab, the L-type part includes the first arm and the second arm, described first
Arm is installed to the front of the dielectric-slab and connects with the radial inner end of the corresponding main body, and second arm is connected to
The radial inner end of first arm simultaneously stretches out in the dielectric-slab.
10. printed dipole oscillator according to claim 1, it is characterised in that the current feed department has coaxial cable, institute
Oscillator arms feed in front described in the interior wick feed of coaxial cable is stated, reverse side oscillator arms feed described in the outer wick feed of the coaxial cable；
The front of the dielectric-slab is additionally provided with barron structure for balancing the non-equilibrium effect that the coaxial feed is brought.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175569.2U CN206098701U (en) | 2016-10-27 | 2016-10-27 | Printed dipole oscillator |
| PCT/CN2017/085856 WO2018076681A1 (en) | 2016-10-27 | 2017-05-25 | Printed dipole oscillator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621175569.2U CN206098701U (en) | 2016-10-27 | 2016-10-27 | Printed dipole oscillator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098701U true CN206098701U (en) | 2017-04-12 |
Family
ID=58486535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621175569.2U Expired - Fee Related CN206098701U (en) | 2016-10-27 | 2016-10-27 | Printed dipole oscillator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098701U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410397A (en) * | 2016-10-27 | 2017-02-15 | 深圳国人通信股份有限公司 | Printed dipole oscillator |
| WO2018076681A1 (en) * | 2016-10-27 | 2018-05-03 | 深圳国人通信股份有限公司 | Printed dipole oscillator |
-
2016
- 2016-10-27 CN CN201621175569.2U patent/CN206098701U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106410397A (en) * | 2016-10-27 | 2017-02-15 | 深圳国人通信股份有限公司 | Printed dipole oscillator |
| WO2018076681A1 (en) * | 2016-10-27 | 2018-05-03 | 深圳国人通信股份有限公司 | Printed dipole oscillator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170412 Termination date: 20211027 |