CN208637585U - A kind of coaxial sleeve oscillator omnidirectional antenna - Google Patents
A kind of coaxial sleeve oscillator omnidirectional antenna Download PDFInfo
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- CN208637585U CN208637585U CN201821536751.5U CN201821536751U CN208637585U CN 208637585 U CN208637585 U CN 208637585U CN 201821536751 U CN201821536751 U CN 201821536751U CN 208637585 U CN208637585 U CN 208637585U
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- oscillator
- fixing seat
- coaxial sleeve
- omnidirectional antenna
- chokes
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Abstract
The utility model discloses a kind of coaxial sleeve oscillator omnidirectional antenna, comprising: support conduit, it is interior to be equipped with feed core wire；Chokes pipe oscillator pair, the chokes pipe oscillator is to including being set in the supravasal two chokes pipe oscillator of support；And oscillator fixing seat, it is fixedly arranged on the support conduit, each chokes pipe oscillator is correspondingly provided with an oscillator fixing seat, and the chokes pipe oscillator is threadedly connected to the oscillator fixing seat to be fixed on the support conduit.Technical solutions of the utility model can reinforce the stability that chokes pipe oscillator is connect with support conduit.
Description
Technical field
The utility model relates to antenna technical field, in particular to a kind of coaxial sleeve oscillator omnidirectional antenna.
Background technique
The sleeve oscillator being coaxially disposed on traditional coaxial sleeve oscillator omnidirectional antenna also typically serves as the effect of chokes pipe,
When sleeve oscillator is set in homoaxial support tube, sleeve oscillator is fixed on support tube generally by fixing seat, Gu
It is fixed between reservation and sleeve oscillator by riveting process, therefore there are the connection structure of sleeve oscillator and fixing seat is not secured enough
Stablize, sleeve oscillator is easy the problem of loosening support tube.
Utility model content
The main purpose of the utility model is to propose a kind of coaxial sleeve oscillator omnidirectional antenna, it is intended to reinforce chokes pipe oscillator
The stability being connect with support conduit.
To achieve the above object, the utility model proposes coaxial sleeve oscillator omnidirectional antenna, comprising:
Conduit is supported, it is interior to be equipped with feed core wire；
Chokes pipe oscillator pair, the chokes pipe oscillator is to including being set in the supravasal two chokes Guan Zhen of support
Son；And
Oscillator fixing seat is fixedly arranged on the support conduit, and it is solid that each chokes pipe oscillator is correspondingly provided with an oscillator
Reservation, and the chokes pipe oscillator is threadedly connected to the oscillator fixing seat to be fixed on the support conduit.
Preferably, each oscillator fixing seat is connected and fixed on the support conduit by a connecting bushing.
Preferably, the material of the connecting bushing and the oscillator fixing seat is conductive material.
Preferably, the connecting bushing is fixedly welded on the support conduit.
Preferably, the oscillator fixing seat is threadedly connected to the connecting bushing.
Preferably, the coaxial sleeve oscillator omnidirectional antenna further includes the insulation being arranged between the two oscillator fixing seats
Connector.
It preferably, is to be threadedly coupled between the insulated connecting piece and the oscillator fixing seat.
Preferably, for the chokes pipe oscillator to being equipped with two pairs, the two chokes pipe oscillators are connected to the feed to series feed
Core wire.
Preferably, the two chokes pipe oscillators to respective center the upward distance of the support catheter shaft be 0.7~
0.8 times of operating frequency wavelength.
Preferably, the material of the chokes pipe oscillator and the oscillator fixing seat is aluminum alloy material.
Technical solutions of the utility model are fixed by the way that each chokes pipe oscillator is correspondingly arranged oscillator fixing seat installation, are gripped
Flow tube oscillator is threadedly coupled with oscillator fixing seat, on the one hand chokes pipe oscillator more can be firmly mounted to oscillator fixing seat
On, so that chokes pipe oscillator is not easy to loosen on support conduit, improve the firm of coaxial sleeve oscillator omnidirectional antenna structure
Property；On the other hand by being screwed fixation, so that the fixed form of chokes pipe oscillator is relatively simple, the antenna assembly is saved
Assembly time.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, the structure that can also be shown according to these attached drawings obtains other attached drawings.
Fig. 1 is the structural schematic diagram of one embodiment of the utility model coaxial sleeve oscillator omnidirectional antenna；
Fig. 2 is the partial enlarged view in Fig. 1 at A；
Fig. 3 is the structural schematic diagram of fixation kit in Fig. 2.
Drawing reference numeral explanation:
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than all
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creative work premise
Under every other embodiment obtained, fall within the protection scope of the utility model.
It is to be appreciated that if related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction is only used for explaining opposite between each component under a certain particular pose (as shown in the picture)
Positional relationship, motion conditions etc., if the particular pose changes, directionality instruction is also correspondingly changed correspondingly.
In addition, if relating to the description of " first ", " second " etc. in the utility model embodiment, " first ", " the
Two " etc. description is used for description purposes only, and is not understood to indicate or imply its relative importance or is implicitly indicated meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can explicitly or implicitly include at least one
A this feature.In addition, the meaning of the "and/or" occurred in full text is, and including three schemes arranged side by side, by taking " A and/or B " as an example,
The scheme met simultaneously including A scheme or B scheme or A and B.In addition, the technical solution between each embodiment can be mutual
In conjunction with, but must be based on can be realized by those of ordinary skill in the art, when mutual lance occurs in the combination of technical solution
Shield or cannot achieve when, will be understood that the combination of this technical solution is not present, also not in the protection scope of the requires of the utility model
Within.
The utility model proposes a kind of coaxial sleeve oscillator omnidirectional antennas.
In the utility model embodiment, as shown in Figure 1 to Figure 3, the coaxial sleeve oscillator omnidirectional antenna, comprising:
Conduit 1 is supported, it is interior to be equipped with feed core wire 2；
Chokes pipe oscillator pair, the chokes pipe oscillator is to two chokes Guan Zhen including being set on the support conduit 1
Son 3；And
Oscillator fixing seat 4, is fixedly arranged on the support conduit 1, and each chokes pipe oscillator is correspondingly provided with an oscillator
Fixing seat 4, and the chokes pipe oscillator 3 is threadedly connected to the oscillator fixing seat 4 to be fixed on the support conduit 1.
Technical solutions of the utility model are fixed by the way that each chokes pipe oscillator is correspondingly arranged an oscillator fixing seat 4 installation,
Chokes pipe oscillator 3 is threadedly coupled with oscillator fixing seat 4, on the one hand chokes pipe oscillator 3 more can be firmly mounted to oscillator and consolidated
In reservation 4, so that chokes pipe oscillator 3 is not easy to loosen on support conduit 1, coaxial sleeve oscillator omnidirectional antenna structure is improved
Stability；On the other hand by being screwed fixation, so that the fixed form of chokes pipe oscillator 3 is more easy, the day is saved
The assembly time of line apparatus.
Wherein, in the present embodiment, support conduit 1 not only plays the role of supporting fixed chokes pipe, but also as the coaxial sleeve
The outer conductor of cylinder oscillator omnidirectional antenna coaxial feeder, is electrically connected to form feeding network with chokes pipe oscillator 3；Made using chokes pipe
While playing the role of signal radiation for the oscillator arms of the coaxial sleeve oscillator omnidirectional antenna, also led outside to as coaxial feeder
Electric current on the support conduit 1 of body plays the role of controlling, and realizes balanced feeding and impedance matching, and prevents support conduit 1 in water
Square upward leakage signal, realizes the vertical polarization of the coaxial sleeve oscillator omnidirectional antenna.
Further, in the present embodiment, it is additionally provided with connecting bushing 5 between support conduit 1 and oscillator fixing seat 4, even
Spindle set 5, which is arranged, is fixed on the support conduit 1, and each oscillator fixing seat 4 is connected and fixed on institute by a connecting bushing 5
State support conduit 1.
Further, in the present embodiment, the connecting bushing 5 and the material of the oscillator fixing seat 4 are conduction material
Matter generally uses conductive metal material, to realize the conducting of support conduit 1 and chokes pipe oscillator 3, simplifies between the two
Feed structure, and deformation is not easy using metal material, so that more stable with the threaded connection of chokes pipe oscillator 3.
Further, in the present embodiment, the connecting bushing 5 is fixedly welded on the support conduit 1, and the welding can
To include but is not limited to soldering, the mode for adopting metal welding is intended to that oscillator fixing seat 4 and the support conduit is preferably connected
1, specifically, conduit 1 and connecting bushing 5 is supported to use copper material, the higher feasibility to guarantee welding of copper material fusing point is reduced simultaneously
Support the current loss of conduit 1.
Further, in the present embodiment, referring in particular to Fig. 2 and Fig. 3, the chokes pipe oscillator 3 is fixed on support and is led
Fixation kit on pipe 1 further includes being arranged between the two oscillator fixing seats 4 other than oscillator fixing seat 4, connecting bushing 5
Insulated connecting piece 6, the two close settings of the chokes pipe oscillator 3, each chokes pipe oscillator correspondence are fixed on an oscillator
Fixing seat 4, described 6 one end of insulated connecting piece are connected and fixed an oscillator fixing seat 4, and the other end is connected and fixed another vibration
Sub- fixing seat 4.In the present embodiment, the length of chokes pipe oscillator 3 is set as 0.25 times of operating frequency wavelength, a pair of of chokes Guan Zhen
Just combination forms a half-wave dipole to son 3, in this way, being the chokes pipe of 0.25 times of operating frequency wavelength using the same length of two pieces
Oscillator 3 and oscillator fixing seat 4,6 assembly and connection of insulated connecting piece constitute a coaxial sleeve cartridge type half-wave doublet.It can manage
Solution, is connected and fixed two oscillator fixing seats 4 by an insulated connecting piece 6, is connected and fixed knot so that having between two oscillator fixing seats 4
Structure, so that oscillator fixing seat 4 is tively firm fixed on support conduit 1.In the present embodiment, two connecting bushings 5 are respectively arranged on
6 both ends of insulated connecting piece, a connecting bushing 5 are connected to one end of insulated connecting piece 6 and an oscillator fixing seat 4, another connecting shaft
Set 5 abuts one end of the insulated connecting piece 6 and another oscillator fixing seat 4, then two connecting bushings 5 are respectively welded at support conduit
On 1, insulated connecting piece 6 and the limit of oscillator fixing seat 4 are fixed to realize.
It is appreciated that in the present embodiment, the oscillator fixing seat 4, connecting bushing 5, insulated connecting piece 6 are set as annular
Component, so that support conduit 1 is worn.Specifically, in the present embodiment, similar one end of two chokes pipe oscillators 3 is equipped with
One internal screw thread 31, corresponding first internal screw thread 31 of oscillator fixing seat 4 are equipped with the first external screw thread 41, thus realize chokes pipe oscillator 3 with
The threaded connection of oscillator fixing seat 4；5 one end of connecting bushing is welded on support conduit 1, and the other end is equipped with first and only supports bulge loop 41
To abut oscillator fixing seat 4 and second only to bulge loop 52 to abut insulated connecting piece 6, while second only to bulge loop 52
It is placed outside equipped with the second external screw thread 521, corresponding second external screw thread 521 of oscillator fixing seat 4 is equipped with the second internal screw thread 42, realizes connection
Axle sleeve 5 and the conducting of oscillator fixing seat 4 connect；The middle part of insulated connecting piece 6 is equipped with intermediate bulge loop 61, to stop to separate two docking
Oscillator fixing seat 4, avoid oscillator fixing seat 4 from being connected directly, prevent two chokes pipe oscillators 3 to be shorted, intermediate 61 two sides of bulge loop are convex
Equipped with third external screw thread 62, the corresponding third external screw thread 62 of oscillator fixing seat 4 is equipped with third internal screw thread 43, thus by oscillator fixing seat
4 are fixed in insulated connecting piece 6.Wherein, insulated connecting piece 6 is set as the preferable insulating materials of the insulation performances such as nylon rod.
Further, in the present embodiment, chokes pipe oscillator 3 is equipped with two pairs, and two chokes pipe oscillators exist to respective center
Distance in support 1 axial direction of conduit is 0.7~0.8 times of operating frequency wavelength.In the present embodiment, feed core wire 2 is set as
50 Ω coaxial cable core wires, radio-frequency joint 9 are 50 Ω impedance connector of standard, and the two chokes pipe oscillator is described to being connected in series to
Core wire 2 is fed, can guarantee the high-gain of the coaxial sleeve oscillator omnidirectional antenna using series feed feeding classification.It is usually described coaxial
Spacing between the dielectric constant and oscillator of cable core has a very close relationship, the dielectric constant size of cable core with
The face the E directional diagram degree of tilt of antenna is related, need the electrical length for cooperating chokes pipe oscillator 3 calculate and the debugging of practical experience survey
Examination is determined the face the E directional diagram inclination angle of antenna.
It further, in the present embodiment, is the cost for saving the coaxial sleeve oscillator omnidirectional antenna, chokes pipe oscillator 3
Material with oscillator fixing seat 4 is preferably aluminum alloy material.It normally, is that chokes pipe oscillator 3 is made using lesser brass tube,
Antenna frequencies bandwidth is also very narrow, impedance bandwidth and antenna radiation pattern bandwidth only less than 3%, and if using same diameter
Copper pipe come when doing chokes pipe oscillator 3, antenna cost be significantly larger than the coaxial sleeve oscillator omnidirectional antenna of aluminium alloy chokes pipe at
This.In this way, also increasing antenna radiation pattern bandwidth while increasing conventional frequency impedance bandwidth, it can be achieved that meeting to 15%
Antenna impedance bandwidth and directional diagram bandwidth.
Further, in the present embodiment, which further includes outer cover 7 and pedestal 8 and fixes
It is plugged and fixed in the lower end of the radio-frequency joint 9 of the pedestal 8, the support conduit 1 in the radio-frequency joint 9, the feed core
Line 2 is connected to the radio-frequency joint 9, and the outer cover 7 is set as the tubulose with opening, the open end of outer cover 7 be sleeved and fixed in
The pedestal 8.Specifically, in the present embodiment, penetrating for glass reinforced plastic pipe outer cover 7 and aluminum alloy base 8 and copper material is used
Frequency connector 9.The radio-frequency joint 9, which is worn, to be fixed in pedestal 8, and the coaxial electrical of one end access transmission signal outside pedestal 8 is located at
Cable, one end extraction feed core wire 2 being located in pedestal 8 is inserted in the support conduit 1, to realize that electric current transmits.This
The coaxial sleeve oscillator omnidirectional antenna of utility model realizes that frequency bandwidth meets electrical performance indexes and radiance simultaneously, is suitable for
The covering of cell communication systems signal and radio data system.
The key technical indexes of the coaxial sleeve oscillator omnidirectional antenna of the utility model is as follows:
Frequency range: 824~960MHz；
Frequency bandwidth: 136MHz；
Gain: 6dBi；
Horizontal plane lobe width: 360 °；
Vertical plane lobe width: 30 °；
Voltage standing wave ratio :≤1.5；
Power: 100W；
Polarization mode: vertical polarization.
The above is only the preferred embodiment of the present invention, and therefore it does not limit the scope of the patent of the utility model,
It is all under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes, or directly/be used in other related technical areas indirectly and be included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of coaxial sleeve oscillator omnidirectional antenna characterized by comprising
Conduit is supported, it is interior to be equipped with feed core wire；
Chokes pipe oscillator pair, the chokes pipe oscillator is to including being set in the supravasal two chokes pipe oscillator of support；With
And
Oscillator fixing seat is fixedly arranged on the support conduit, and each chokes pipe oscillator is correspondingly provided with an oscillator fixing seat,
And the chokes pipe oscillator is threadedly connected to the oscillator fixing seat to be fixed on the support conduit.
2. coaxial sleeve oscillator omnidirectional antenna as described in claim 1, which is characterized in that each oscillator fixing seat passes through
One connecting bushing is connected and fixed on the support conduit.
3. coaxial sleeve oscillator omnidirectional antenna as claimed in claim 2, which is characterized in that the connecting bushing and the oscillator
The material of fixing seat is conductive material.
4. coaxial sleeve oscillator omnidirectional antenna as claimed in claim 3, which is characterized in that the connecting bushing is fixedly welded on
The support conduit.
5. coaxial sleeve oscillator omnidirectional antenna as claimed in claim 4, which is characterized in that the oscillator fixing seat is threadedly coupled
In the connecting bushing.
6. coaxial sleeve oscillator omnidirectional antenna as described in claim 1, which is characterized in that the coaxial sleeve oscillator omnidirectional antennas
Line further includes the insulated connecting piece being arranged between the two oscillator fixing seats.
7. coaxial sleeve oscillator omnidirectional antenna as claimed in claim 6, which is characterized in that the insulated connecting piece and the vibration
It is threaded connection between sub- fixing seat.
8. coaxial sleeve oscillator omnidirectional antenna as described in claim 1, which is characterized in that the chokes pipe oscillator is to equipped with two
Right, the two chokes pipe oscillators are connected to the feed core wire to series feed.
9. coaxial sleeve oscillator omnidirectional antenna as claimed in claim 8, which is characterized in that the two chokes pipe oscillators are to respective
Center in the upward distance of the support catheter shaft be 0.7~0.8 times of operating frequency wavelength.
10. coaxial sleeve oscillator omnidirectional antenna as described in any one of claim 1 to 9, which is characterized in that the chokes Guan Zhen
The material of the sub and described oscillator fixing seat is aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536751.5U CN208637585U (en) | 2018-09-19 | 2018-09-19 | A kind of coaxial sleeve oscillator omnidirectional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821536751.5U CN208637585U (en) | 2018-09-19 | 2018-09-19 | A kind of coaxial sleeve oscillator omnidirectional antenna |
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| Publication Number | Publication Date |
|---|---|
| CN208637585U true CN208637585U (en) | 2019-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821536751.5U Active CN208637585U (en) | 2018-09-19 | 2018-09-19 | A kind of coaxial sleeve oscillator omnidirectional antenna |
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| CN (1) | CN208637585U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397875A (en) * | 2020-10-22 | 2021-02-23 | 广东盛路通信科技股份有限公司 | Low interference unit of base station antenna |
-
2018
- 2018-09-19 CN CN201821536751.5U patent/CN208637585U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112397875A (en) * | 2020-10-22 | 2021-02-23 | 广东盛路通信科技股份有限公司 | Low interference unit of base station antenna |
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