CN207282719U - A kind of cable outer conductor weldment and Bipolarization antenna for base station - Google Patents
A kind of cable outer conductor weldment and Bipolarization antenna for base station Download PDFInfo
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- CN207282719U CN207282719U CN201720851045.9U CN201720851045U CN207282719U CN 207282719 U CN207282719 U CN 207282719U CN 201720851045 U CN201720851045 U CN 201720851045U CN 207282719 U CN207282719 U CN 207282719U
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- outer conductor
- weldment
- cable outer
- cable
- cambered surface
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Abstract
The utility model discloses a kind of cable outer conductor weldment and Bipolarization antenna for base station, wherein the cable outer conductor weldment includes：Feed connection body and cable welding arm；The bottom of the feed connection body is used to be connected with reflecting plate；The cable welding arm includes buffer part and weld part, and one end of the buffer part connects body connection with the feed, and the other end of the buffer part is connected with the weld part；The weld part is equipped with the interior concaved circular cambered surface for connection cables outer conductor；Correspondingly, the Bipolarization antenna for base station includes above-mentioned cable outer conductor weldment.The utility model can effectively solve the problem that the problem of displacement of cable outer conductor and solder joint rosin joint.
Description
Technical field
It the utility model is related to antenna of mobile communication base station technical field, more particularly to a kind of cable outer conductor weldment and double
Polarize antenna for base station.
Background technology
High and low frequency radiating element can a large amount of arrays uses inside Bipolarization antenna for base station at present.Assembly of radiating elements arrives
During reflecting plate, the cable that is welded on radiating element can be connected respectively by work(scoreboard etc. collectively constitutes feeding network.But due to
In the operating condition, the electric current of radiating element can be also passed on the outer conductor of cable, cause electric current to circulate on radiating element
Imbalance, making the standing wave of antenna, when isolation is deteriorated.Outer conductor weldment would generally be designed with, will be extracted from radiating element
Feed cable outer conductor be welded on outer conductor weldment, circulating current on outer conductor is introduced reflection plate earthing, play
Choking effect, improves standing wave when isolation.
Shown in Figure 1, Fig. 1 is the structure diagram of traditional cable outer conductor weldment, outside traditional trapezoidal sheet type
Conductor weldment, using single plane-welding chip architecture so that cable welding position be difficult to it is unified, easily there are cable displacement,
And solder joint rosin joint phenomenon, so as to influence the stability of the parameters such as the standing wave of antenna, isolation, third order intermodulation.
The content of the invention
The purpose of the utility model embodiment is to provide a kind of cable outer conductor weldment and Bipolarization antenna for base station, can be effective
Solve the problems, such as the displacement of cable outer conductor and solder joint rosin joint.
To achieve the above object, the utility model embodiment provides a kind of cable outer conductor weldment, including：
Feed connection body and cable welding arm；The bottom of the feed connection body is used to be connected with reflecting plate；It is described
Cable welding arm includes buffer part and weld part, and one end of the buffer part connects body connection, the buffering with the feed
The other end in portion is connected with the weld part；The weld part is equipped with the interior concaved circular cambered surface for connection cables outer conductor.
Compared with prior art, a kind of cable outer conductor weldment disclosed in this implementation new embodiment, passes through interior concave arc
Face to provide positioning for cable outer conductor, avoids the problem that cable outer conductor displacement；There are interior concaved circular cambered surface there are curved angle,
Scolding tin is easier to circulate, and scolding tin is uniform, reduces rosin joint；And the bonding area bigger of interior concaved circular cambered surface and cable outer conductor, protect
The connection between cable outer conductor and cable outer conductor weldment is demonstrate,proved, ground connection performance is stablized, so as to provide stabilization for antenna
Standing wave, isolation and third order intermodulation parameter.
Further, the cable welding arm further includes arc transition, and the other end of the buffer part passes through the circle
Arc transition part is connected with the weld part.
Further, the arc transition is U-shaped, and the U-shaped opening direction of the arc transition and the welding
The interior concaved circular cambered surface in portion towards direction it is opposite.
Further, the cable welding arm includes two, is connected to the feedback by one end of the buffer part respectively
It is electrically connected the opposite end of body.
Further, the interior concaved circular cambered surface of the weld part is semicircle cambered surface.
Further, the feed connection body is equipped with through hole.
As further scheme, reserved through hole can be used in fastener and is connected through feed connection body with reflecting plate, make
Cable outer conductor weldment is preferably fixed on reflecting plate.
Further, the top of the feed connection body is equipped with a concave part for surrounding the through hole.
As further scheme, concave part can be used in being in contact with the head of fastener, make fastener be easier to load,
And the pressure for making fastener apply after screwing in cable outer conductor weldment is more uniformly distributed.
Correspondingly, the utility model embodiment also provides a kind of Bipolarization antenna for base station, including the utility model embodiment
The cable outer conductor weldment provided, further includes radiating element, the cable outer conductor of the radiating element outside the cable with leading
Interior concaved circular cambered surface connection on the weld part of the cable welding arm of body weldment.
Further, the Bipolarization antenna for base station further includes reflecting plate, the feed connection of the cable outer conductor weldment
The bottom of body is connected with the reflecting plate.
Compared with prior art, a kind of Bipolarization antenna for base station disclosed in the utility model embodiment, employs this practicality
A kind of cable outer conductor weldment that new embodiment provides, cable outer conductor weldment outside interior concaved circular cambered surface fixed cable by leading
Body, avoids the displacement of cable outer conductor；And the curved angle based on interior concaved circular cambered surface and the welding of cable outer conductor are abundant, reduce
The problem of welding rosin joint；So as to ginsengs such as the overall standing wave that stabilization can be provided for Bipolarization antenna for base station, isolation, third order intermodulations
Number.
Brief description of the drawings
Fig. 1 is the structure diagram of traditional cable outer conductor weldment；
Fig. 2 is a kind of structure diagram for cable outer conductor weldment that the utility model embodiment 1 provides；
Fig. 3 is a kind of cross-sectional view of the structure for cable outer conductor weldment that the utility model embodiment 1 provides；
Fig. 4 is a kind of structure diagram for Bipolarization antenna for base station that the utility model embodiment 2 provides.
Embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained, shall fall within the protection scope of the present invention.
Referring to Fig. 2 and Fig. 3, Fig. 2 is a kind of structural representation for cable outer conductor weldment that the utility model embodiment 1 provides
Figure；Fig. 2 is the profile of the present embodiment 1.The cable outer conductor weldment that the present embodiment 1 provides includes feed connection body 1 and line
Cable welding arm 2；Wherein,
Referring to Fig. 2 and Fig. 3, cable welding arm 2 includes buffer part 21, weld part 22, and one end and the feed of buffer part 21 connect
Connect body 1 to connect, the other end of buffer part 21 is connected with weld part 22.
Weld part 22 is equipped with the interior concaved circular cambered surface for connection cables outer conductor.In general, the shaft section of cable outer conductor
For a disc, when cable outer conductor is fixed on interior concaved circular cambered surface, stress point is uniformly distributed on the camber line of interior concaved circular cambered surface, load
Bearing capacity is more preferable；Positioning to cable outer conductor is realized by interior concaved circular cambered surface；There are curved angle, in natural gravity condition
Under, scolding tin is easier to circulate, and scolding tin is uniform, it is not easy to produces rosin joint；And interior concaved circular cambered surface is realized preferably with cable outer conductor
Be bonded to each other welding, improve ground connection performance.
In addition, shown in Figure 2, the line on the basis of the bottom of feed connection body 1, the weld part 22 of cable welding arm 2
Bottom it is hanging, and then ensure when cable outer conductor weldment by feed connection body bottom be connected with reflecting plate when, cable
The weld part 22 of welding arm 2 does not contact directly with reflecting plate, avoids becoming contact and non-contacting state too close to reflecting plate,
The third order intermodulation performance of antenna is made to become unstable.
Preferably, the diameter of interior concaved circular cambered surface is more than the overall diameter of thick line cable so that weld part 22 can it is compatible thick,
The welding of the plurality of specifications cable such as thin.
Cable welding arm 2 further includes arc transition 23, and the other end of buffer part 21 passes through arc transition 23 and welding
Portion 22 connects arc transition 23.
Preferably, the interior concaved circular cambered surface of weld part 22 is semicircle cambered surface.As optimal case, ensured using semicircle cambered surface
In the case of the connection effect of cable outer conductor and weld part, and easy to the installation and welding of cable outer conductor.
Arc transition 23 is U-shaped, and U-shaped opening and the interior concaved circular cambered surface of weld part 22 towards direction it is opposite.Pass
The single bending structure of connection generally use of the cable outer conductor weldment of system between buffer part and weld part, that is, form point
Angle, cable welding arm are concentrated too much on bending structure by 2 stress, easily fracture because of vibration or angle deviates, and the present embodiment
Using U-shaped arc transition 23, realize that arc-shaped transition is realized in the connection between buffer part 21 and weld part 22, avoid stress
Excessively concentrating makes cable welding arm 2 fracture；The anti-side rigidity of cable welding arm 2 is improved, is avoided that after cable welding outside cable
The distortion of cable outer conductor weldment is formed when the reaction force that conductor applies is excessive.
Referring to Fig. 3, the bottom of feed connection body 1 is equipped with the connecting portion 11 for the evagination for being used for being connected with reflecting plate；With Fig. 1
Shown traditional cable outer conductor weldment compares, and the present embodiment sets the connecting portion 11 of evagination to be contacted with reflecting plate, significantly
Reduce contact area, be conducive to improve the influence caused by the burr in Feed contact face, out-of-flatness and reflecting plate closely connects
The problem of touching, so that the ground connection property of cable outer conductor weldment and reflecting plate is good.
Feed connection body 1 is equipped with through hole 121, the evagination that through hole 121 is equipped with through the bottom of feed connection body 1
Connecting portion 11；It is connected specifically, through hole 121 can be used in fastener through feed connection body 1 with reflecting plate, makes to lead outside cable
Body weldment is more preferably more closely on reflecting plate.In addition, through hole 121 connects the bottom of body 1 through through hole 121 through feed
Connecting portion 11, at this time connecting portion 11 decreased with reflecting plate contact area, be conducive to improve the burr, no because of Feed contact face
The problem of influence caused by smooth is in close contact with reflecting plate, so as to improve the ground connection performance of cable outer conductor weldment.
The top of feed connection body 1 is equipped with a concave part 12 for surrounding through hole 121.Concave part 12 is used for and fastener
Head lower face contact, through hole 121 to applied to fastener shank through cable outer conductor weldment so that with reflecting plate connect
Connect.Concave part 12 makes fastener more easy to install, and concave part 12 can be such that fastener is led outside to cable after screwing in the structure of scalariform
The pressure that body weldment applies is more uniformly distributed, further such that being exerted by the pressure of reflecting plate when feed connection body 1 is with contacting
Power is more uniformly distributed.
As shown in Figure 2,3, the quantity of cable welding arm 2 is two to the preferred structure of the present embodiment 1, passes through buffer part respectively
21 one end is connected to the opposite end of feed connection body 1.
Further, the angle of the U-shaped opening of arc transition 23 is more than 90 degree.
In the specific descriptions of the present embodiment, to orientation explanation involved in the description of the structure of cable outer conductor weldment with
The orientation of the modes of emplacement of cable outer conductor weldment shown in Fig. 2 is reference, when change cable outer conductor weldment modes of emplacement,
Involved orientation explanation does corresponding adjustment in structure description to the cable outer conductor weldment of the utility model embodiment.
When it is implemented, the connecting portion 11 equipped with evagination of cable outer conductor weldment is used to be connected with reflecting plate, reduction connects
Contacting surface is accumulated, and is improved because of loose contact caused by the burr of contact surface and out-of-flatness；The interior concaved circular cambered surface of weld part 22 is used to connect
Welding cable outer conductor is connect, can preferably fixed cable outer conductor, and welding effect is good；'s；Arc transition 23 realizes slow
Both arc-shaped transitions of portion 21 and weld part 22 are rushed to connect；In addition, it is used for fastener through feed connection body equipped with through hole 121
1 is connected with reflecting plate, feed connection body 1 is contacted with reflecting plate closely；The concave part that the top of feed connection body 1 is equipped with
12 are conducive to the installation of fastener, and make it that the pressure that fastener applies feed connection body 1 is uniform.
The present embodiment is integrally improved the ground connection performance of cable outer conductor weldment, so as to provide staying for stabilization for antenna
The parameters such as ripple, isolation, third order intermodulation.
It is a kind of structure diagram for Bipolarization antenna for base station that the utility model embodiment 2 provides referring to Fig. 4；This reality
Applying example 2 includes a kind of cable outer conductor weldment that the utility model embodiment 1 is provided, and concrete structure is said referring to embodiment 1
It is bright, do not repeat herein.In addition, the present embodiment 2 further includes：
Radiating element, by the cable welding arm of the cable outer conductor 101 that radiating element extracts and cable outer conductor weldment
Weld part 22 on interior concaved circular cambered surface connection；Cable outer conductor 101 is fixed in interior concaved circular cambered surface, avoids cable outer conductor
101 displacement；Stress point can be evenly distributed on the camber line of interior concaved circular cambered surface, cable welding arm 2 is preferably carried outside cable
The gravity of conductor 101；And the interior concaved circular cambered surface that cable outer conductor 101 is equipped with can realize good weldering with cable outer conductor
Connect, avoid the problem that solder joint rosin joint.
Reflecting plate, the connecting portion 11 for the evagination being equipped with the bottom of the feed connection body 1 of cable outer conductor weldment connect.
The contact surface that the bottom of the feed connection body 1 of usual cable outer conductor weldment is used to contact with reflecting plate because of technological reason usually
There are burr and out-of-flatness, have impact on the close contact with reflecting plate.In the present embodiment, feed connection body 1 is using evagination
Connecting portion 11, the contact area for making to contact with reflecting plate greatly reduce, and the interference effect by burr, out-of-flatness is reduced, outside cable
Conductor weldment contacts closely with reflecting plate, and ground connection performance improves, and the third order intermodulation performance of antenna improves.
Further, the present embodiment further includes fastener, and the head of fastener is connected with the feed of cable outer conductor weldment
The concave part 12 that the top of body 1 is equipped with contacts, and the shank of fastener passes through through hole 121 and the reflection of cable outer conductor weldment
Plate connects, so that cable outer conductor weldment is preferably fixed on reflecting plate, to provide preferably ground connection performance.
Specifically, shown in Figure 2, cable outer conductor 101 is welded on the indent of the weld part 22 of cable outer conductor weldment
Arc surface, radiating element, the concrete structure of reflecting plate and fastener and not shown in FIG. 2.
When it is implemented, the interior concave arc of weld part 22 is fixedly welded on by the cable outer conductor 101 that radiating element is drawn
On face；The connecting portion 11 of the evagination of cable outer conductor weldment is connected with reflecting plate, and, welded by fastener through cable outer conductor
The through hole 121 of part is connected to reflecting plate, cable outer conductor weldment is preferably more closely fixed on reflecting plate；So as to fulfill
The electric current of radiating element is flowed out by cable outer conductor 101, then by cable outer conductor weldment by the electricity of cable outer conductor 101
Stream introduces reflecting plate, plays choking effect, improves standing wave when isolation.And in the present embodiment 2, cable outer conductor weldment and line
Cable outer conductor 101 welds fully, and cable outer conductor weldment contacts closely with reflecting plate, 2 load carrying capacity of cable welding arm and anti-
Side rigidity is strong, and the parameters such as stable standing wave, isolation, third order intermodulation can be provided for antenna.
The present embodiment is compact-sized, and ground connection performance is good, using the teaching of the invention it is possible to provide stable standing wave, isolation and third order intermodulation parameter.
The above is the preferred embodiment of the utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these are improved and profit
Decorations are also considered as the scope of protection of the utility model.
Claims (9)
1. a kind of cable outer conductor weldment, it is characterised in that the cable outer conductor weldment includes feed connection body and cable
Welding arm；The bottom of the feed connection body is used to be connected with reflecting plate；The cable welding arm includes buffer part and welding
Portion, one end of the buffer part connect body connection with the feed, and the other end of the buffer part is connected with the weld part；
The weld part is equipped with the interior concaved circular cambered surface for connection cables outer conductor.
2. a kind of cable outer conductor weldment as claimed in claim 1, it is characterised in that the cable welding arm further includes circular arc
Transition part, the other end of the buffer part are connected by the arc transition with the weld part.
3. a kind of cable outer conductor weldment as claimed in claim 2, it is characterised in that the arc transition is U-shaped, and institute
State the U-shaped opening direction of arc transition and the interior concaved circular cambered surface of the weld part towards direction it is opposite.
A kind of 4. cable outer conductor weldment as claimed in claim 1, it is characterised in that the cable welding arm includes two,
The opposite end of the feed connection body is connected to by one end of the buffer part respectively.
5. a kind of cable outer conductor weldment as claimed in claim 1, it is characterised in that the interior concaved circular cambered surface of the weld part is
Semicircle cambered surface.
6. a kind of cable outer conductor weldment as claimed in claim 1, it is characterised in that the feed connection body is equipped with logical
Hole.
7. a kind of cable outer conductor weldment as claimed in claim 6, it is characterised in that set at the top of the feed connection body
There is a concave part for surrounding the through hole.
8. a kind of Bipolarization antenna for base station, it is characterised in that welded including claim 1~7 any one of them cable outer conductor
Part, further includes radiating element, the cable outer conductor of the radiating element and the cable welding arm of the cable outer conductor weldment
Interior concaved circular cambered surface connection on weld part.
9. a kind of Bipolarization antenna for base station as claimed in claim 8, it is characterised in that the Bipolarization antenna for base station further includes
Reflecting plate, the bottom of the feed connection body of the cable outer conductor weldment are connected with the reflecting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720851045.9U CN207282719U (en) | 2017-07-13 | 2017-07-13 | A kind of cable outer conductor weldment and Bipolarization antenna for base station |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720851045.9U CN207282719U (en) | 2017-07-13 | 2017-07-13 | A kind of cable outer conductor weldment and Bipolarization antenna for base station |
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| Publication Number | Publication Date |
|---|---|
| CN207282719U true CN207282719U (en) | 2018-04-27 |
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| CN201720851045.9U Active CN207282719U (en) | 2017-07-13 | 2017-07-13 | A kind of cable outer conductor weldment and Bipolarization antenna for base station |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019011136A1 (en) * | 2017-07-13 | 2019-01-17 | 广州杰赛科技股份有限公司 | Cable outer conductor weldment and antenna |
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2017
- 2017-07-13 CN CN201720851045.9U patent/CN207282719U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019011136A1 (en) * | 2017-07-13 | 2019-01-17 | 广州杰赛科技股份有限公司 | Cable outer conductor weldment and antenna |
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