CN108172981A - Antenna and its radiating element - Google Patents
Antenna and its radiating element Download PDFInfo
- Publication number
- CN108172981A CN108172981A CN201711492744.XA CN201711492744A CN108172981A CN 108172981 A CN108172981 A CN 108172981A CN 201711492744 A CN201711492744 A CN 201711492744A CN 108172981 A CN108172981 A CN 108172981A
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- balun
- oscillator
- hole
- straight pipe
- metal tube
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- 239000002184 metal Substances 0.000 claims abstract description 58
- 229910052751 metal Inorganic materials 0.000 claims abstract description 58
- 230000005855 radiation Effects 0.000 claims abstract description 41
- 238000003466 welding Methods 0.000 claims abstract description 33
- 238000009413 insulation Methods 0.000 claims abstract description 18
- 230000000903 blocking effect Effects 0.000 claims description 8
- 238000009713 electroplating Methods 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 claims description 5
- 239000004033 plastic Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 238000003491 array Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 238000003032 molecular docking Methods 0.000 claims 1
- 239000004020 conductor Substances 0.000 abstract description 5
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- KHPCPRHQVVSZAH-HUOMCSJISA-N Rosin Natural products O(C/C=C/c1ccccc1)[C@H]1[C@H](O)[C@@H](O)[C@@H](O)[C@@H](CO)O1 KHPCPRHQVVSZAH-HUOMCSJISA-N 0.000 abstract description 4
- KHPCPRHQVVSZAH-UHFFFAOYSA-N trans-cinnamyl beta-D-glucopyranoside Natural products OC1C(O)C(O)C(CO)OC1OCC=CC1=CC=CC=C1 KHPCPRHQVVSZAH-UHFFFAOYSA-N 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 6
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 238000012546 transfer Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 2
- 239000010931 gold Substances 0.000 description 2
- 229910052737 gold Inorganic materials 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/246—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
-
- 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/02—Refracting or diffracting devices, e.g. lens, prism
- H01Q15/10—Refracting or diffracting devices, e.g. lens, prism comprising three-dimensional array of impedance discontinuities, e.g. holes in conductive surfaces or conductive discs forming artificial dielectric
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Details Of Aerials (AREA)
Abstract
The present invention relates to a kind of antenna and its radiating elements, the antenna radiation unit includes oscillator radiator, balun metal tube, insulation sleeve and feed assembly, the first balun through-hole is offered on oscillator radiator, balun metal tube includes the second straight pipe of the first straight pipe for stretching into the first balun through-hole and protrusion oscillator radiator, insulation sleeve is sheathed on outside the first straight pipe and insulation set is between balun metal tube and the first balun through-hole inner hole wall, feed assembly includes the feed line with welding ends, and welding ends passes through the first straight pipe and stretches into the bottom end of the second straight pipe.Balun metal tube and oscillator radiator are provided separately by above-mentioned antenna radiation unit, when the outer conductor of radio-frequency cable is heated to high temperature with balun metal tube and is welded, balun metal tube only need to be heated, it does not need to heat oscillator radiator, reduce heated metal volume and thermal losses, welding efficiency and quality are improved, avoids the occurrence of rosin joint, ensures the stability of antenna radiation unit performance.
Description
Technical field
The present invention relates to antenna for base station field of communication technology, more particularly to antenna and its radiating element.
Background technology
With the fast development of mobile communication technology, the standard of mobile communication is more and more, and antenna for base station will can also prop up
Hold a variety of communication standards.Antenna for base station generally selects dual-polarization radiating unit as basic radiating element, utilizes polarity diversity
Reception technique improves channel capacity, prevents signal fadeout.
Radio-frequency cable 210 is soldered to spoke frequently with welding manner as shown in Figure 1 in traditional multifrequency multi-port antenna
It penetrates on unit 230, radiofrequency signal is input on the radiating element 230 of antenna by radio-frequency cable 210.Specifically by radio frequency electrical
Cable inner wire 212 and the feed tab 232 of radiating element 230 are welded together, and it is single that radio-frequency cable outer conductor 214 then is caught in radiation
In the recess of the hollow balun metal pin 234 of first oscillator, by hollow balun pin 234 and radio-frequency cable outer conductor 214 simultaneously
The high temperature of several Baidu is heated to, is welded with tin.The metal material heat transfer efficiency that radiating element 230 uses is high, and size
It is larger, since the entire radiating element 230 of heat transfer is heated when being heated to hollow balun pin 234, so needing longer pre-
The hot time could will be heated to high temperature at hollow balun pin 234, if welding procedure control is bad, to be susceptible to tin incomplete
Melt and formed the situation of rosin joint, and then intermodulation can be caused bad, be not sufficiently stable the performance of antenna.
Invention content
Based on this, it is necessary to the problem of being not sufficiently stable for traditional antenna radiation unit performance, provide a kind of performance compared with
For stable antenna radiation unit.
It there is a need to and a kind of antenna with the antenna radiation unit is provided.
A kind of antenna radiation unit, including oscillator radiator, balun metal tube, insulation sleeve and feed assembly, the oscillator
The first balun through-hole is offered on radiator, the balun metal tube includes the first straight pipe for stretching into the first balun through-hole
With the second straight pipe for protruding the oscillator radiator, the insulation sleeve be sheathed on that first straight pipe is outer and insulation set in
Between the balun metal tube and the first balun through-hole inner hole wall, the feed assembly includes the feed with welding ends
Line, the welding ends pass through first straight pipe and stretch into the bottom end of second straight pipe.
Balun metal tube and oscillator radiator are individually provided separately by above-mentioned antenna radiation unit, then by the weldering of feed line
It connects after balun metal tube is stretched into end across the first balun through-hole and forms feed section.When transmitting radiofrequency signal, need radio frequency electrical
The inner wire of cable and the welding ends of feed line weld, and the outer conductor of radio-frequency cable and balun metal tube are heated to high temperature and carried out
Welding.Because balun metal tube is provided separately with oscillator radiator, only needs to heat balun metal tube when welding, not need to
Oscillator radiator is heated, reduces heated metal volume and thermal losses, improves welding efficiency and quality, avoid out
Existing rosin joint ensures the stability of antenna radiation unit performance.And stretch into an end cap of the first balun through-hole in balun metal tube
Equipped with insulation sleeve, balun metal tube and oscillator radiator is avoided to contact, heat transfer during balun metal tube weld heating is isolated,
It is bad to avoid generating intermodulation simultaneously, radiofrequency signal is made to be coupled to oscillator radiator from balun metal tube, radio-frequency cable not with oscillator
Radiator has any welding relationship, and full electromagnetic coupling feed is fully utilized.
The oscillator radiator includes oscillator column and oscillator arms in one of the embodiments, and the oscillator column is supported in
At the center of the oscillator arms, the oscillator arms include two intersecting diagonal, offer and run through on every diagonal
The first balun through-hole of the oscillator arms and the oscillator column, and relatively described first balun is led on every diagonal
Hole offers the second balun through-hole；The feed assembly further includes open end and connecting portion, the welding ends and the open end
It is contained in respectively in the first balun through-hole and the second balun through-hole on same diagonal, the connecting portion edge is flat
The corresponding cornerwise direction of row is connected between the open end and the welding ends.
First straight pipe is stretched into from the described one end of oscillator column far from the oscillator arms in one of the embodiments,
And it is contained in the first balun through-hole, and the length value of first straight pipe is the ten of working frequency range center frequency point wavelength
1/6th between half.
The feed assembly further includes stent, the connecting portion of two feed lines in one of the embodiments,
It is snapped on the stent and is arranged at intervals on the oscillator mast axis direction, the stent along two diagonal intersections
It is detachably arranged at side of the oscillator arms far from the oscillator column.
The feed assembly further includes snap ring in one of the embodiments, and the snap ring is arranged with outside the open end,
The snap ring is abutted with the inner wall of the second balun through-hole；And/or it is arranged with the snap ring, the snap ring outside the welding ends
It is abutted with the inner wall of the balun metal tube.
The junction of first straight pipe and second straight pipe is radially projecting in one of the embodiments, sets
Limiting section is equipped with, the radius of first straight pipe is less than the radius of second straight pipe, and the radius of the limiting section is more than
The radius of second straight pipe.
It further includes in one of the embodiments, and is buckled in the oscillator column far from the end cap outside described oscillator arms one end,
The end cap allows the balun metal tube to pass through and fix the balun metal tube, and the end cap is made of insulating materials.
State in one of the embodiments, offered on end cap allow second straight pipe by matching hole, it is described
The circumferential projection of matching hole described in end cap towards the one side upper edge of the oscillator column is provided with blocking part, the bottom of the oscillator column
Jagged and groove is opened up along the periphery of the first balun through-hole, the notch is connected with the first balun through-hole, described
The head and the tail both ends that groove and the notch are located at matching hole circumferential direction connect and are connected simultaneously with the first balun through-hole；Institute
It states the limiting section after the first straight pipe stretches into the first balun through-hole to be embedded in the notch, the end cap is covered on described
The blocking part is embedded in the groove during oscillator column end and its head and the tail both ends is docked with the head and the tail both ends of the limiting section.
The oscillator radiator is made or the oscillator spoke of nonmagnetic material in one of the embodiments,
Beam is made in plastic substrate surface electroplating metal material.
A kind of antenna, including multiple above-mentioned antenna radiation units and reflecting plate, multiple antenna radiation unit arrays with
On the reflecting plate.
Description of the drawings
Fig. 1 is the structure diagram of radiating element and radio-frequency cable in background technology；
Fig. 2 is the structure diagram of antenna radiation unit in one embodiment of the invention；
Fig. 3 is the decomposition diagram of antenna radiation unit shown in Fig. 2；
Fig. 4 is the assembling schematic diagram of antenna radiation unit shown in Fig. 2；
Fig. 5 is the structure diagram at one visual angle of oscillator radiator in antenna radiation unit shown in Fig. 2；
Fig. 6 is the structure diagram of feed assembly in antenna radiation unit shown in Fig. 2；
Fig. 7 is the structure diagram of stent in antenna radiation unit shown in Fig. 2；
Fig. 8 is the structure diagram at another visual angle of oscillator radiator in antenna radiation unit shown in Fig. 2；
Fig. 9 is the part-structure figure of antenna radiation unit shown in Fig. 2；
Figure 10 is the structure diagram of end cap in antenna radiation unit shown in Fig. 2.
Specific embodiment
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the present invention can realize in many different forms, however it is not limited to this paper institutes
The embodiment of description.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more thorough
Comprehensively.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The normally understood meaning of technical staff is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " including one or more phases
The arbitrary and all combination of the Listed Items of pass.
Fig. 2-Fig. 5 is please referred to, antenna radiation unit 100 includes oscillator radiator 10, balun gold in one embodiment of the invention
Belong to pipe 30, insulation sleeve 40 and feed assembly 50, offer the first balun through-hole 11 on oscillator radiator 10, balun metal tube 30 wraps
Include the second straight pipe 34 of the first straight pipe 32 and protrusion oscillator radiator 10 for stretching into the first balun through-hole 11,40 sets of insulation sleeve
Outside the first straight pipe 32 and insulation set is between 30 and first balun through-hole of balun metal tube, 11 inner hole wall, feed assembly
50 include the feed line 52 with welding ends 521, and welding ends 521 passes through the first straight pipe 32 and stretches into the bottom of the second straight pipe 34
End.
Balun metal tube 30 and oscillator radiator 10 are individually provided separately by above-mentioned antenna radiation unit 100, then will feedback
The welding ends 521 of electric wire 52 forms feed section after stretching into balun metal tube 30 across the first balun through-hole 11.Transmit radio frequency letter
Number when, need to weld the inner wire of radio-frequency cable and the welding ends 521 of feed line 52, and by the outer conductor of radio-frequency cable with bar
Human relations metal tube 30 is heated to high temperature and is welded.Because balun metal tube 30 is provided separately with oscillator radiator 10, welding
When only need to heat balun metal tube 30, do not need to heat oscillator radiator 10, reduce heated metal volume and
Thermal losses improves welding efficiency and quality, avoids the occurrence of rosin joint, ensures the stability of 100 performance of antenna radiation unit.
Also, the first straight pipe 32 that the first balun through-hole 11 is stretched into balun metal tube 30 is arranged with insulation sleeve 40, will
Heat transfer during balun 30 weld heating of metal tube is isolated, simultaneously in 10 insulation set of balun metal tube 30 and oscillator radiator
It avoids generation intermodulation bad, radiofrequency signal is made to be coupled to oscillator radiator 10 from balun metal tube 30, makes radio-frequency cable not with shaking
Sub- radiator 10 has any welding relationship, and full electromagnetic coupling feed is fully utilized.
In one embodiment, oscillator radiator 10 is made of nonmagnetic material, such as aluminium alloy, kirsite etc.,
It only needs that balun metal tube 30 is electroplated, does not need to the electroplating technology link of oscillator radiator 10, reduce electroplating cost.
It is to be appreciated that in some other embodiment, oscillator radiator 10 is made in plastic substrate surface electroplating metal material, is not required to
Complicated technique is wanted, mitigates the weight of antenna radiation unit 100.
In one embodiment, oscillator radiator 10 includes oscillator column 12 and oscillator arms 14, and oscillator column 12 is supported in oscillator
At the center of arm 14, oscillator arms 14 include two intersecting diagonal, are offered on every diagonal through oscillator arms 14 and shaken
First balun through-hole 11 of sub- column 12, and opposite first balun through-hole 11 offers the second balun through-hole 13 on every diagonal；
Feed line 52 further includes open end 523 and connecting portion 525, and welding ends 521 and open end 523 are contained in same diagonal respectively
On the first balun through-hole 11 and the second balun through-hole 13 in, connecting portion 525 is connected to out along the cornerwise direction of parallel correspondence
Between terminal 523 and welding ends 521.Two feed lines 52 so are set along two intersecting diagonal, every feed line 52 welds
Setting balun metal tube 30 outside end 521 is connect, after making feed line 52 and 30 electromagnetic coupling of balun metal tube, then passes through balun metal tube
30 with the electromagnetic coupling of oscillator radiator 10 to realize feed, form dual-polarization radiating unit, radiated radio frequency (RF) signal.It is appreciated that
Ground, in some other embodiment, antenna radiation unit 100 or other multipolarization radiating elements do not limit herein.
In one embodiment, the first straight pipe 32 in balun metal tube 30 is from one of oscillator column 12 far from oscillator arms 14
End is stretched into and is contained in the first balun through-hole 11, avoids the surface of the first straight pipe 32 protrusion oscillator arms 14, and the first straight tube
The length value of section 32 in working frequency range center frequency point wavelength 1/16th between half, to meet transmitting signal
Demand.
In one embodiment, the junction of the first straight pipe 32 and the second straight pipe 34 is radially projecting is provided with limiting
Portion 36, the radius of the first straight pipe 32 are less than the radius of the second straight pipe 34, and the radius of limiting section 36 is more than the second straight pipe 34
Radius so that it is stepped between 36 and first straight pipe 32 of limiting section and between 36 and second straight pipe 34 of limiting section,
With after the first straight pipe 32 stretches into the first balun through-hole 11 limiting section 36 keep out in the bottom end of oscillator column 12, limit the first straight tube
Section 32 stretches into the length of the first balun through-hole 11, prevents the length that the first straight pipe 32 stretches into long or too short.
In this embodiment, limiting section 36 includes the first limiting limiting section 362 of section 361 and second, the first limiting section
361 are set to the annulus of 34 junction of the first straight pipe 32 and the second straight pipe for circumferential projection, and the second limiting section 362 is protrusion
It is set to the sector of 361 outer rim of the first limiting section.It is to be appreciated that in some other embodiment, the shape of limiting section 36 and
Set-up mode can as needed depending on, for example, omitting the first limiting section 361, the second limiting protrusion of section 362 is directly set to the
One straight pipe 32 and 34 junction of the second straight pipe or the first limiting section 361 and second limit section 362 and are integrally formed setting shape
Into limiting section 36, more or the second limiting protrusion of section 362 is set to the first straight pipe 32 and 34 junction of the second straight pipe and the
One limiting section 361 is sheathed on outer in the first straight pipe 32 and is stacked and also may be used in the top of the second limiting section 362, it is only necessary to real
Existing limiting section 36 can limit the length that the first straight pipe 32 stretches into the first balun through-hole 11, be not construed as limiting herein.
Further, insulation sleeve 40 includes ontology 41 and set on 41 end of ontology and the isolation part 43 circumferentially protruded, this
Body 41 is sheathed on outside the first straight pipe 32, prevents the first straight pipe 32 and the inner wall of the first balun through-hole 11 from contacting, isolation part 43
Limiting section 36 is covered towards the surface of oscillator column 12, prevents limiting section 36 from being contacted with oscillator column 12, avoids generation intermodulation bad.
In specific embodiment, the ontology 41 being sheathed on outside the first straight pipe 32 is adaptably set as straight tube-like, is covered in limiting section 36
Outer isolation part 43 is adaptably set as fan-shaped, and balun metal tube 30 and oscillator column 12 need to be isolated in insulation sleeve 40,
This is not limited.
Fig. 5-Fig. 7 is please referred to, in one embodiment, feed assembly 50 further includes stent 53, the company of two feed lines 52
Socket part 525 is snapped on stent 53 along two diagonal intersections and is arranged at intervals on 12 axis direction of oscillator column, passes through stent
53 insulation two feed lines 52 of assembling.And stent 53 is detachably arranged at side of the oscillator arms 14 far from oscillator column 12, feed
Stent 53 is set on oscillator column 12 by line 52 after being assembled on stent 53, and feed line 52 can be made to be contained in the first balun through-hole 11
In the second balun through-hole 13.
Further, stent 53 includes main body 532 and the first hook group and the second hook group in main body 532, the
One hook group and the second hook group along the two of oscillator arms 14 diagonal settings and are respectively used to two feed lines 52 of buckle respectively.
And the connecting portion 525 of two feed lines 52 along the direction (i.e. the axis direction of oscillator column 12) of vertical dipole arm 14 respectively to by
Direction protrusion setting of the near and far from oscillator arms 14, make connecting portion 525 along the oscillator arms 14 of two feed lines 52 two are diagonal
Line is staggered while distribution along the direction of vertical dipole arm 14, avoids the connecting portions 525 of two feed lines 52 along two diagonal
Cross-contact after setting.
Further, the first hook group includes two the first hooks 534, and the second hook group includes two the second hooks
536.Wherein, two the first hooks 534 cornerwise both sides, two second hooks 536 where being set in a manner of aspectant
Cornerwise both sides, are divided by two the first hooks 534 or two the second hooks 536 where being set in a manner of aspectant
Not from the position of the both sides of feed line 52 limitation feed line 52, prevent feed line 52 easily from the first hook 534 or the second hook
536 opening is detached from.
Specifically, the side of stent 53 towards oscillator arms 14 is provided with hook foot 538, and hook hole is provided in oscillator arms 14
141, stent 53 is detachably secured in oscillator arms 14 by the cooperation in hook foot 538 and hook hole 141.Optionally, edge
Two groups of hook feet 538 and hook hole 141 are oppositely arranged on every diagonal of oscillator arms 14, with uniformly reliably clamping support
53。
In one embodiment, feed assembly 50 further includes snap ring 54, and snap ring 54, snap ring 54 are arranged with outside open end 523
It abuts with the inner wall of the second balun through-hole 13, open end 523 is held in the second balun through-hole 13 thus by snap ring 54, prevent
Only open end 523 shakes.And/or snap ring 54 is arranged outside welding ends 521, snap ring 54 is abutted with the inner wall of balun metal tube 30, with
The fixed welding ends 521 of positioning, prevents welding ends 521 from shaking.Specifically, snap ring 54 is made of plastics, and has centainly deformable
Property and insulating properties.That is, fixing the top half of feed line 52 by stent 53, feed line 52 is fixed by snap ring 54
Lower half portion is fixed the different location of feed line 52 by stent 53 and snap ring 54, ensures 52 fixed reliability of feed line.
During installation, first the connecting portion 525 of two feed lines 52 is snapped on stent 53, then by 523 He of open end of feed line 52
Stent 53 is snapped in oscillator arms 14 by welding ends 521 after being respectively protruding into the second balun through-hole 13 and the first balun through-hole 11.
Fig. 2 and Fig. 8-Figure 10 is please referred to, in one embodiment, antenna radiation unit 100, which further includes, is buckled in oscillator column
12 allow balun metal tube 30 to pass through and fix balun metal tube 30 far from the end cap 70 outside 14 one end of oscillator arms, end cap 70.Such as
This by balun metal tube 30 wear in the first balun through-hole 11 after, pass through the end cap 70 being snapped on oscillator column 12 and fix balun
Metal tube 30.Also, end cap 70 is made of insulating materials, avoids passing through conducting balun gold when end cap 70 fixes balun metal tube 30
Belong to pipe 30 and oscillator column 12.Specifically, the end cap is made of plastic materials such as PPO, PC.
Further, buckle 72 is provided on the madial wall of end cap 70, is opened up on the lateral wall of oscillator column 12 and buckle 72
End cap 70 is buckled on oscillator column 12 by the groove 121 of cooperation by buckle 72 and the cooperation of groove 121.
In one embodiment, offered on end cap 70 allow the second straight pipe 34 by matching hole 74,70 face of end cap
The circumferential projection of the one side upper edge matching hole 74 of oscillator column 12 is provided with blocking part 76,12 bottom of oscillator column leads to along the first balun
11 periphery of hole opens up jagged 123 and groove 125, and notch 123 is connected with the first balun through-hole 11, groove 125 and notch 123
It connects simultaneously in the circumferential head and the tail both ends connection of matching hole 74 and with the first balun through-hole 11.First straight pipe 32 stretches into first bar
Limiting section 36 is embedded in notch 123 (as shown in Figure 9) after human relations through-hole 11, blocking part 76 when end cap 70 is covered on oscillator 12 end of column
In embedded groove 125 and its head and the tail both ends is abutted with the head and the tail both ends of limiting section 36, prevents balun metal tube 30 circumferentially opposite
Oscillator column 12 rotates, while makes to be located at the balun metal tube 30 of its both sides and groove 125 by the blocking part 76 of embedded groove 125
Side wall it is mutually isolated and insulate.
Further, blocking part 76 includes arc section 761 and butt end 763, and butt end 763 includes two and is located at respectively
The periphery of 761 opposite end of arc section and radially projecting arc end 761 is set, when limiting section 36 is contained in notch 123, limit
The head and the tail both ends in position portion 36 and between the notch wall 1231 (part for 12 bottom wall of oscillator column) at the circumferential both ends of notch 123 it is pre-
There are certain gap, when arc end 761 is contained in groove 125 butt end 763 be caught in limiting section 36 and notch wall 1231 it
Between gap in, on the one hand for preventing balun metal tube 30 from circumferentially rotating, on the other hand make 36 opposed notches wall of limiting section
1231 insulation sets prevent limiting section 36 to be in direct contact with oscillator column 12.
In one embodiment, the one side relative engagement hole 74 of end cap 70 towards oscillator column 12 is provided with positioning protrusion 78,
The bottom end of oscillator column 12 is provided with location hole 127 with respect to the first balun through-hole 11.When assembling end cap 70, positioning protrusion 78 is aligned
Location hole 127, to ensure the accuracy of position that end cap 70 is installed on outside oscillator column 12.
Based on above-mentioned antenna radiation unit 100, the present invention also provides a kind of antenna, which includes multiple above-mentioned antenna spokes
Penetrate unit 100 and reflecting plate, 100 array of mutiple antennas radiating element is on reflecting plate, for receiving and emitting wireless signal.Into
One step, the radiating surface of oscillator radiator 10 is apart from center frequency point wavelength of the reflecting plate distance for 1/16~1/2 working frequency range.
Tens antenna radiation units 100 are installed, particularly more massive MIMO array has hundreds of days in multi-port antenna
Oscillator radiator 10 and balun metal tube 30 are separately designed, reduce the cost of antenna, improve day by beta radiation unit 100
The passive inter-modulation performance of line apparatus, while processing the environmental requirement with meeting energy-saving and emission-reduction in installation process.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Embodiment described above only expresses the several embodiments of the present invention, and description is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that those of ordinary skill in the art are come
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of antenna radiation unit, which is characterized in that including oscillator radiator, balun metal tube, insulation sleeve and feed assembly,
Offer the first balun through-hole on the oscillator radiator, the balun metal tube includes stretching into the of the first balun through-hole
One straight pipe and the second straight pipe for protruding the oscillator radiator, it is outer and exhausted that the insulation sleeve is sheathed on first straight pipe
Edge is set between the balun metal tube and the first balun through-hole inner hole wall, and the feed assembly includes having welding ends
Feed line, the welding ends passes through first straight pipe and stretches into the bottom end of second straight pipe.
2. antenna radiation unit according to claim 1, which is characterized in that the oscillator radiator includes oscillator column and shakes
Sub- arm, the oscillator column are supported at the center of the oscillator arms, and the oscillator arms include two intersecting diagonal, every institute
State the first balun through-hole offered on diagonal through the oscillator arms and the oscillator column, and every diagonal
On relatively described first balun through-hole offer the second balun through-hole；The feed assembly further includes open end and connecting portion, institute
It states welding ends and the open end is contained in the first balun through-hole and second balun on same diagonal respectively
In through-hole, the connecting portion is connected to along parallel correspondence cornerwise direction between the open end and the welding ends.
3. antenna radiation unit according to claim 2, which is characterized in that first straight pipe is remote from the oscillator column
One end from the oscillator arms is stretched into and is contained in the first balun through-hole, and the length value of first straight pipe is in work
Make 1st/16th of frequency range center frequency point wavelength between half.
4. antenna radiation unit according to claim 2, which is characterized in that the feed assembly further includes stent, two
The connecting portion of the feed line is snapped on the stent and along two diagonal intersections in the oscillator mast axis
It is arranged at intervals on direction, the stent is detachably arranged at side of the oscillator arms far from the oscillator column.
5. antenna radiation unit according to claim 3, which is characterized in that the feed assembly further includes snap ring, described
The snap ring is arranged with outside open end, the snap ring is abutted with the inner wall of the second balun through-hole；And/or outside the welding ends
The snap ring is arranged with, the snap ring is abutted with the inner wall of the balun metal tube.
6. antenna radiation unit according to claim 1, which is characterized in that first straight pipe and second straight tube
The junction of section is radially projecting to be provided with limiting section, and the radius of first straight pipe is less than the half of second straight pipe
Diameter, the radius of the limiting section are more than the radius of second straight pipe.
7. antenna radiation unit according to claim 6, which is characterized in that further include and be buckled in the oscillator column far from institute
The end cap outside oscillator arms one end is stated, the end cap allows the balun metal tube to pass through and fix the balun metal tube, and institute
End cap is stated to be made of insulating materials.
8. antenna radiation unit according to claim 7, which is characterized in that permission described second is offered on the end cap
Straight pipe by matching hole, the circumferential projection of matching hole is provided with described in the end cap towards the one side upper edge of the oscillator column
Blocking part, the periphery of bottom along the first balun through-hole of the oscillator column open up jagged and groove, the notch and institute
State the connection of the first balun through-hole, the head and the tail both ends that the groove and the notch are located at matching hole circumferential direction connect and simultaneously with
The first balun through-hole connection；The limiting section insertion is described scarce after first straight pipe stretches into the first balun through-hole
In mouthful, the end cap be covered on the blocking part during oscillator column end be embedded in the groove and its head and the tail both ends with it is described
The head and the tail both ends docking of limiting section.
9. antenna radiation unit according to claim 1, which is characterized in that the oscillator radiator is by nonmagnetic metal material
Material is made or the oscillator radiator is made in plastic substrate surface electroplating metal material.
10. a kind of antenna, which is characterized in that including the antenna radiation unit described in multiple the claims 1-9 any one
And reflecting plate, on multiple antenna radiation unit arrays and the reflecting plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711492744.XA CN108172981B (en) | 2017-12-30 | 2017-12-30 | Antenna and radiating element thereof |
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| CN201711492744.XA CN108172981B (en) | 2017-12-30 | 2017-12-30 | Antenna and radiating element thereof |
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| CN108172981B CN108172981B (en) | 2024-05-24 |
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| CN109755720A (en) * | 2019-01-02 | 2019-05-14 | 武汉虹信通信技术有限责任公司 | High frequency oscillator and antenna for base station |
| CN110148827A (en) * | 2019-05-30 | 2019-08-20 | 中天宽带技术有限公司 | A kind of high frequency radiating element and multifrequency antenna |
| CN110752431A (en) * | 2018-07-23 | 2020-02-04 | 京信通信技术(广州)有限公司 | Impedance-adjustable low-frequency radiating unit and multi-system combined antenna |
| CN110783707A (en) * | 2019-09-25 | 2020-02-11 | 广东晖速通信技术股份有限公司 | Heat dissipation type antenna element |
| CN111883903A (en) * | 2020-09-17 | 2020-11-03 | 广东博纬通信科技有限公司 | Rotary vibrator installation fixing seat |
| EP4181312A4 (en) * | 2020-07-13 | 2024-01-03 | Huawei Tech Co Ltd | Adapter device, feeder device and antenna |
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| CN110752431A (en) * | 2018-07-23 | 2020-02-04 | 京信通信技术(广州)有限公司 | Impedance-adjustable low-frequency radiating unit and multi-system combined antenna |
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| CN111883903A (en) * | 2020-09-17 | 2020-11-03 | 广东博纬通信科技有限公司 | Rotary vibrator installation fixing seat |
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|---|---|
| CN108172981B (en) | 2024-05-24 |
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