CN106961006A - A kind of DBDM minimizes hand-held set antenna - Google Patents
A kind of DBDM minimizes hand-held set antenna Download PDFInfo
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- CN106961006A CN106961006A CN201710211915.0A CN201710211915A CN106961006A CN 106961006 A CN106961006 A CN 106961006A CN 201710211915 A CN201710211915 A CN 201710211915A CN 106961006 A CN106961006 A CN 106961006A
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- 239000000758 substrate Substances 0.000 claims description 15
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- 229910052751 metal Inorganic materials 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 244000261422 Lysimachia clethroides Species 0.000 claims description 4
- 239000011810 insulating material Substances 0.000 claims description 4
- 238000004891 communication Methods 0.000 abstract description 11
- 230000010287 polarization Effects 0.000 abstract description 6
- 238000010295 mobile communication Methods 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
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- 230000004048 modification Effects 0.000 description 2
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- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
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- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
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- 230000007812 deficiency Effects 0.000 description 1
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- 238000005516 engineering process Methods 0.000 description 1
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- 239000010959 steel Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—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
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
-
- 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
- H01Q15/24—Polarising devices; Polarisation filters
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/30—Resonant antennas with feed to end of elongated active element, e.g. unipole
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention proposes a kind of DBDM miniaturization hand-held set antenna, for solve existing small handsets antenna caused by working frequency range and pattern are single its use narrow range technical problem, including the first band antenna unit, second band antenna unit and feed element, first band antenna unit includes the first radiant body and is arranged on the multiport network of the first radiant body bottom, circular polarisation can be produced, second band antenna unit uses unipole antenna form or dipole antenna form, linear polarization can be produced, wherein the input port of multiport network is connected with the first coaxial line, the choke coil that the first coaxial line lower end is set can be used for reducing the coupling between the first band antenna unit and the second band antenna unit, the choke coil and triax connection realize the impedance matching of the second band antenna unit, feed element uses binary channels radio frequency connector.The achievable two-band dual-mode of operation characteristic of the present invention, available for mobile satellite communication and land mobile communication.
Description
Technical field
The invention belongs to antenna technical field, it is related to a kind of miniaturization hand-held set antenna, more particularly to a kind of DBDM
Hand-held set antenna is minimized, available for handheld or flat board type communication terminal.
Background technology
Antenna is the part for being used for launching or receiving electromagnetic wave in wireless device, and its basic function is will to be sent by emitter
The high frequency electric energy conversion come is radio wave and is sent to space, the radio wave energy for then transmitting space in receiving terminal
The high frequency electric energy transmitted to receiver is converted into, so as to realize the transmission of electromagnetic signal in any two points.
In mobile satellite communication earth station and satellite navigation, it is desirable to which antenna has broad beam, circular polarization characteristics, with
Just satellite is kept during exercise in the coverage of antenna beam.Meanwhile, antenna must have broadband operation characteristic, so as to
Sending and receiving share one pair of antenna.Four arm spirals and Multi-arm spiral antenna can realize broad beam and circular polarisation, therefore be widely used in moving
Dynamic satellite communication.But because it is resonant antenna, narrower bandwidth and volume is big.
In order to realize antenna broadband and small size performance, technological staff is studied from multiaspect.For example authorize public
Announcement number is CN204760536U, the Chinese patent of entitled " miniaturization mobile satellite communication handheld terminal antenna ", discloses one
Plant miniaturization hand-held set antenna, including hollow cylinder structure, four groups of spiral arms and circular polarisation feeding pack, every group of spiral arm laser carving
In the outer surface of hollow cylinder structure, long spire arm extends to the top of hollow cylinder structure.Although it preferably resolves existing
There is the problem of mobile satellite communication hand-held set antenna structure size is big, bandwidth of operation is narrow.But to existing miniaturization hand-held set day
Line, it is often desired to which it can both produce circular polarisation, for mobile satellite communication, can produce linear polarization again, for land mobile communication,
It is of course possible to use two pairs of antennas, but this will cause handheld device complexity to improve, inconvenient to carry.Therefore working frequency range and mould
Formula is single, and caused its uses narrow range, the major defect as existing small handsets antenna.
The content of the invention
Present invention aims to overcome that the deficiencies in the prior art, it is proposed that a kind of DBDM minimizes hand-held set antenna,
For solve it is existing miniaturization hand-held set antenna caused by working frequency range and pattern are single its use narrow range technical problem.
To achieve the above object, the technical solution adopted by the present invention：
A kind of DBDM minimizes hand-held set antenna, including the first band antenna unit, the second band antenna unit and
Feed element, the first band antenna unit, including the first radiant body 2 and the multiterminal for being arranged on the bottom of the first radiant body 2
Mouth network 3, wherein the first radiant body 2 includes cylindric medium substrate and is printed on multigroup spiral shell of cylindric medium substrate outer surface
Revolve paster, the parallel paster that every group of spiral paster is connected by a plurality of bottom constitutes, junction forms distributing point, each distributing point with
The corresponding output port of the multiport network 3 is connected；The second band antenna unit uses unipole antenna form, including the
One radiant body 2 and the second radiant body 4, second radiant body 4 are provided with multiple sophisticated tubular structures using upper edge, each point
End is connected with the distributing point of one group of spiral paster；The input port of the multiport network 3 is connected with the first coaxial feeder 5, institute
The outer conductor for stating the first coaxial feeder 5 is connected with the bottom of the second radiant body 4, and the lower end of the first coaxial feeder 5 is provided with choke coil,
For increasing the isolation between the first band antenna unit and the second band antenna unit；The feed element 8 uses bilateral
Road radio frequency connector, one output end is connected with the first coaxial feeder 5, and another output end is connected with the second coaxial feeder 7,
The upper end outer conductor connection of the upper end inner wire and choke coil of second coaxial line 7；It is same that the 3rd is provided with the outside of the choke coil
Axis 6, the lower end inner wire of the triax 6 is connected with the lower end outer conductor of choke coil, upper end outer conductor and choke coil
Upper end outer conductor is connected, the impedance matching for realizing the second band antenna unit；The first band antenna unit and second
Band antenna unit is closed by first antenna cover 1.
A kind of DBDM minimizes hand-held set antenna, including the first band antenna unit, the second band antenna unit and
Feed element, the first band antenna unit, including the first radiant body 2 and the multiterminal for being arranged on the bottom of the first radiant body 2
Mouth network 3, wherein the first radiant body 2 includes cylindric medium substrate and is printed on multigroup spiral shell of cylindric medium substrate outer surface
Revolve paster, the parallel paster that every group of spiral paster is connected by a plurality of bottom constitutes, junction forms distributing point, each distributing point with
The corresponding output port of the multiport network 3 is connected；The second band antenna unit uses dipole antenna form, including the
One radiant body 2, the second radiant body 4 and the 3rd radiant body 10, second radiant body 4 are provided with multiple sophisticated cylinders using upper edge
Shape structure, each tip is connected with the distributing point of one group of spiral paster, and the 3rd radiant body 10 is connected with metal including two ends
The gooseneck of part；The input port of the multiport network 3 is connected with outside the first coaxial feeder 5, first coaxial feeder 5
Conductor is connected with the bottom of the second radiant body 4, and the lower end of the first coaxial feeder 5 is provided with choke coil, for increasing the first frequency range day
Isolation between line unit and the second band antenna unit, the lower end outer conductor of the choke coil and the 3rd radiant body 10 it is upper
Metal parts is held to be connected；The feed element 8 uses binary channels radio frequency connector, and one output end is connected with the 4th coaxial feed
Line 9, another output end is connected with the second coaxial feeder 7, and the upper end of the 4th coaxial line 9 is connected with the first coaxial line 5, lower end
Allowed together with the lower end of the second coaxial line 7 and turn to bifilar inductor, the upper end inner wire of second coaxial line 7 and first coaxial
The upper end metal parts phase of the upper end outer conductor connection for the choke coil that the lower end of line 5 is set, upper end outer conductor and the 3rd radiant body 10
Even；Triax 6 is provided with the outside of the choke coil that the lower end of first coaxial line 5 is set, in the lower end of the triax 6
Conductor is connected with the lower end outer conductor of the choke coil, and upper end outer conductor is connected with the upper end outer conductor of the choke coil；Described first
Band antenna unit and the second radiant body 4 are closed by first antenna cover 1, and the bifilar inductor passes through the envelope of the second antenna house 11
Close.
A kind of above-mentioned DBDM miniaturization hand-held set antenna, first radiant body 2, it is printed on cylindric medium
The quantity of multigroup spiral paster of outer surface of substrate is four groups, four groups of spiral pasters around to using left-handed or dextrorotation.
A kind of above-mentioned DBDM miniaturization hand-held set antenna, the multiport network 3, its input port quantity is one
Individual, output port quantity is four.
A kind of above-mentioned DBDM miniaturization hand-held set antenna, the cylindric medium substrate, using thin flexible material
Material.
A kind of above-mentioned DBDM miniaturization hand-held set antenna, second radiant body 4, using positive conductive material,
It it is thereon four along the sophisticated quantity set.
A kind of above-mentioned DBDM miniaturization hand-held set antenna, the first antenna cover 1, using insulating materials.
A kind of above-mentioned DBDM miniaturization hand-held set antenna, second antenna house 11, using insulating materials.
The present invention compared with prior art, has the following advantages that：
1. radiant body of the present invention due to the first band antenna unit and the part as the second band antenna unit, from
And reduce the size of the second band antenna unit, realize the miniaturization of hand-held set antenna.
2. the present invention is because the first band antenna unit includes the first radiant body and is arranged on the first radiant body bottom
Multiport network, can produce circular polarisation, and the second band antenna unit uses unipole antenna form or dipole antenna form, can produced
Linear polarization, it is achieved thereby that two-band dual-mode of operation characteristic, can be not only used for mobile satellite communication and can be used for land mobile communication again,
Compared with existing small handsets antenna, application is expanded.
3. the present invention is provided with choke coil due to the first coaxial line lower end, on the one hand the choke coil effectively increases the first frequency
The isolation of section antenna element and the second band antenna unit, on the other hand realizes the second frequency range day with triax connection
The impedance matching of line unit.
Brief description of the drawings
Fig. 1 is the overall structure diagram of first embodiment of the invention；
Fig. 2 is the structural relation schematic diagram of the second radiant body of the invention and the first coaxial line；
Fig. 3 is the overall structure diagram of second embodiment of the invention；
Fig. 4 is the antenna standing wave ratio experimental result picture of first embodiment of the invention；
Fig. 5 is first embodiment of the invention in each frequency actual measurement directional diagram of 1980Mhz-2200Mhz frequency ranges；
Fig. 6 is first embodiment of the invention in each frequency actual measurement directional diagram of 400Mhz-678Mhz frequency ranges.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is further described：
Embodiment 1, the second band antenna unit of the present embodiment uses unipole antenna form.
A kind of reference picture 1, DBDM miniaturization hand-held set antenna includes the first band antenna unit, the second band antenna
Unit and feed element, the first band antenna unit, including the first radiant body 2 and it is arranged on many of the bottom of the first radiant body 2
Port network 3, wherein the first radiant body 2 includes cylindric medium substrate and is printed on four groups of cylindric medium substrate outer surface
Spiral paster, cylindric medium substrate is circumnutated using 0.14mm FPC and formed, and is highly 82mm, a diameter of 13mm, four groups of spirals
Paster uses metal patch, and every group of spiral paster includes a long spire paster and short spiral paster, and lift angle is 60 °, length point
Not Wei 94mm and 83mm, long spire paster and short spiral paster be spaced successively, equidistantly arranged in parallel, from bottom to top with dextrorotation ring
The outer surface of FPC dielectric-slabs is printed on around mode, and its bottom is connected, and forms distributing point, multiport network 3 is integrated with circular polarisation
Network and impedance matching circuit are formed, has and differed two-by-two between an input port and four output ports, output port
90 °, the distributing point of every group of spiral paster is connected respectively, input port is connected with the first coaxial feeder 5 feed, so that the
One band antenna unit produces circular polarisation, and the first coaxial feeder 5 is using the steel wires of diameter 3mm half, and upper end is straightway, and lower end is set
Have the number of turns be four circle choke coils, the choke coil can increase between the first band antenna unit and the second band antenna unit every
From degree；Second band antenna unit include the first radiant body 2 and the second radiant body 4, the second radiant body 4, using four claw type structures,
The distributing point connection of four pawls point of upper end respectively with four groups of spiral pasters, lower end is connected with the outer conductor of the first coaxial line 5, from
And make the first band antenna unit formation unipole antenna form, produce linear polarization；Feed element 8 uses binary channels radio-frequency joint,
Height 17mm, one output end and the first coaxial line 5 are connected, and another output end and the second coaxial line 7 are connected, and this is second same
Axis 7 uses half soft coaxial line, and its upper end inner wire is connected with the upper end outer conductor of choke coil, is provided with the outside of choke coil
Triax 6, the triax 6 is used as open circuit detail, using half soft coaxial line, its upper end outer conductor and choke coil upper end
Outer conductor is connected, lower end inner wire and the connection of choke coil lower end outer conductor, and the impedance of the second band antenna unit is realized together
Matching；First antenna cover 1 uses dielectric plastic material, is highly 157mm, to the first band antenna unit and the second band antenna
Unit is closed.
The present embodiment antenna can both be operated in S frequency ranges (1980Mhz-2200Mhz), and U frequency ranges (400Mhz- can be operated in again
678Mhz)。
A kind of reference picture 2, DBDM minimized wide-band hand-held set antenna, the second radiant body 4 uses thickness for 0.02mm
Copper sheet is made, and is highly 36mm, the rectangle of perforate centered on bottom, so that the first coaxial line 5 is passed through.
Embodiment 2, the second band antenna unit of the present embodiment uses dipole antenna form.
Reference picture 3, the basic structure and embodiment 1 of the present embodiment is identical, and the main distinction is the second band antenna unit
Connected mode between structure and each part, the second band antenna of the present embodiment unit includes the first radiant body 2, the second radiant body
4 and the 3rd radiant body 10, the 3rd radiant body 10 is connected with the gooseneck of metal copper part including two ends, and it is positive conductive material,
Total length is 120mm, can change the angle of pitch of radiant body by the bending of gooseneck, and then realize comprehensive communication, the 3rd spoke
The upper end metal copper part of beam 10 is fixed as connector and first antenna cover 1, and lower end metal copper part is as connector and adopts
Fixed with the second antenna house 11 of dielectric plastic material, the second coaxial line 7 uses half soft coaxial line, upper end inner wire and first same
The upper end outer conductor connection for the choke coil that the lower end of axis 5 is set, upper end outer conductor and the upper end metal copper part of the 3rd radiant body 10
Connection, so that the second band antenna unit formation dipole antenna form, the first radiant body 2 and the connection conduct of the second radiant body 4
The arm of dipole one, the 3rd radiant body 10 formation another arm of dipole, is fed by the second coaxial line 7, produces linear polarization, the 4th is same
Axis 9 uses half soft coaxial line, and upper end is connected with the first coaxial line 5, and lower end and the lower end of the second coaxial line 7 turn to two-wire together
Choke coil, the number of turns is seven circles, the balanced feeding for the second band antenna unit；Feed element 8 is using the connection of binary channels radio frequency
Device, its output end is connected with the second coaxial line 7 and the 4th coaxial line 9 respectively.
Below in conjunction with experimental data, the technique effect of the present invention is described further.
Reference picture 4, Fig. 4 (a) and Fig. 4 (b) are first embodiment of the invention respectively in U frequency ranges and S band antenna standing-wave ratios
Experimental result picture, abscissa is frequency, and ordinate is standing-wave ratio, from Fig. 4 (a) it can be seen that the embodiment of the present invention is in U frequency range models
Standing internal wave ratio is enclosed below 2.5, meets requirement of the handheld land mobile communication system to antenna standing wave ratio.Can from Fig. 4 (b)
To see that the embodiment of the present invention below 2, meets handheld mobile satellite communication system to day in S band limits standing internal wave ratios
The requirement of line standing-wave ratio.
Reference picture 5, Fig. 5 (a) and Fig. 5 (b) are the H faces and E that first embodiment of the invention is surveyed respectively in each frequency of U frequency ranges
Surface radiation directional diagram, from Fig. 5 (a) and Fig. 5 (b) it can be seen that the embodiment of the present invention has more good omnidirectional's spoke in U frequency ranges
Characteristic is penetrated, requirement of the handheld land mobile communication system to radiation pattern can be met.
Reference picture 6, Fig. 6 (a) and Fig. 6 (b) are the xoz faces that first embodiment of the invention is surveyed respectively in each frequency of S frequency ranges
With yoz surface radiation directional diagrams, it can be seen that the present invention has more good wide ripple in S frequency ranges from Fig. 6 (a) and Fig. 6 (b)
Beam, directional radiation properties, can meet requirement of the handheld mobile satellite communication system to radiation pattern.
Above description is only the instantiation of the present invention, it is clear that for those skilled in the art, is understanding this
After the content and principle of invention, it may all be carried out each in form and details in the case of without departing substantially from the principle of the invention, structure
Modifications and variations are planted, but these modifications and variations based on this are still within scope of the invention as claimed.
Claims (8)
1. a kind of DBDM minimizes hand-held set antenna, it is characterised in that including the first band antenna unit, the second frequency range day
Line unit and feed element, the first band antenna unit, including the first radiant body (2) and it is arranged on first radiant body
(2) multiport network (3) of bottom, wherein the first radiant body (2) includes cylindric medium substrate and is printed on cylindric medium
Multigroup spiral paster of outer surface of substrate, the parallel paster that every group of spiral paster is connected by a plurality of bottom is constituted, and junction is formed
Distributing point, each distributing point output port corresponding with the multiport network (3) is connected；The second band antenna unit is adopted
Use in unipole antenna form, including the first radiant body (2) and the second radiant body (4), the second radiant body (4) use along setting
There are multiple sophisticated tubular structures, each tip is connected with the distributing point of one group of spiral paster；The multiport network (3) it is defeated
Inbound port is connected with the first coaxial feeder (5), outer conductor and the second radiant body (4) bottom phase of first coaxial feeder (5)
Even, the first coaxial feeder (5) lower end is provided with choke coil, for increasing the first band antenna unit and the second band antenna list
Isolation between member；The feed element (8) uses binary channels radio frequency connector, one output end and the first coaxial feeder
(5) it is connected, another output end is connected with the second coaxial feeder (7), the upper end inner wire and choke coil of second coaxial line (7)
The connection of upper end outer conductor；Triax (6) is provided with the outside of the choke coil, is led in the lower end of the triax (6)
Body is connected with the lower end outer conductor of choke coil, and upper end outer conductor is connected with the upper end outer conductor of choke coil, for realizing the second frequency
The impedance matching of section antenna element；The first band antenna unit and the second band antenna unit pass through first antenna cover (1)
Closing.
2. a kind of DBDM minimizes hand-held set antenna, it is characterised in that including the first band antenna unit, the second frequency range day
Line unit and feed element, the first band antenna unit, including the first radiant body (2) and it is arranged on first radiant body
(2) multiport network (3) of bottom, wherein the first radiant body (2) includes cylindric medium substrate and is printed on cylindric medium
Multigroup spiral paster of outer surface of substrate, the parallel paster that every group of spiral paster is connected by a plurality of bottom is constituted, and junction is formed
Distributing point, each distributing point output port corresponding with the multiport network (3) is connected；The second band antenna unit is adopted
Use dipole antenna form, including the first radiant body (2), the second radiant body (4) and the 3rd radiant body (10), second radiant body
(4) edge is provided with multiple sophisticated tubular structures in use, and each tip is connected with the distributing point of one group of spiral paster, and described the
Three radiant bodies (10) are connected with the gooseneck of metal parts including two ends；The input port of the multiport network (3) is connected with
One coaxial feeder (5), the outer conductor of first coaxial feeder (5) is connected with the second radiant body (4) bottom, first coaxial feed
Line (5) lower end is provided with choke coil, for increasing the isolation between the first band antenna unit and the second band antenna unit,
The upper end metal parts of the lower end outer conductor of the choke coil and the 3rd radiant body (10) is connected；The feed element (8) uses
Binary channels radio frequency connector, one output end is connected with the 4th coaxial feeder (9), another output end and the second coaxial feeder
(7) connect, the 4th coaxial line (9) upper end is connected with the first coaxial line (5), and lower end is together with the second coaxial line (7) lower end
Allow and turn to bifilar inductor, the chokes that the upper end inner wire of second coaxial line (7) and the first coaxial line (5) lower end are set
The upper end metal parts of the upper end outer conductor connection of circle, upper end outer conductor and the 3rd radiant body (10) is connected；Described first is coaxial
Triax (6) is provided with the outside of the choke coil that line (5) lower end is set, the lower end inner wire of the triax (6) is with being somebody's turn to do
The lower end outer conductor connection of choke coil, upper end outer conductor is connected with the upper end outer conductor of the choke coil；First band antenna
Unit and the second radiant body (4) are closed by first antenna cover (1), and the bifilar inductor is sealed by the second antenna house (11)
Close.
3. a kind of DBDM miniaturization hand-held set antenna according to claim 1 or 2, it is characterised in that described first
Radiant body (2), its quantity for being printed on multigroup spiral paster of cylindric medium substrate outer surface is four groups, four groups of spiral pasters
Around to use left-handed or dextrorotation.
4. a kind of DBDM miniaturization hand-held set antenna according to claim 1 or 2, it is characterised in that the multiterminal
Mouth network (3), its input port quantity is one, and output port quantity is four.
5. a kind of DBDM miniaturization hand-held set antenna according to claim 1 or 2, it is characterised in that the cylinder
Shape medium substrate, using thin flexible material.
6. a kind of DBDM miniaturization hand-held set antenna according to claim 1 or 2, it is characterised in that described second
Radiant body (4), is thereon four along the sophisticated quantity set using positive conductive material.
7. a kind of DBDM miniaturization hand-held set antenna according to claim 1, it is characterised in that the first antenna
Cover (1), using insulating materials.
8. a kind of DBDM miniaturization hand-held set antenna according to claim 2, it is characterised in that second antenna
Cover (11), using insulating materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211915.0A CN106961006B (en) | 2017-04-01 | 2017-04-01 | Dual-band dual-mode miniaturized handheld antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710211915.0A CN106961006B (en) | 2017-04-01 | 2017-04-01 | Dual-band dual-mode miniaturized handheld antenna |
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| CN108281785A (en) * | 2018-01-23 | 2018-07-13 | 北京微纳星空科技有限公司 | A kind of mobile satellite communication handheld terminal antenna |
| CN108461924A (en) * | 2018-03-15 | 2018-08-28 | 深圳市维力谷无线技术股份有限公司 | A kind of satellite dual-band antenna |
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| CN108461924A (en) * | 2018-03-15 | 2018-08-28 | 深圳市维力谷无线技术股份有限公司 | A kind of satellite dual-band antenna |
| CN108461924B (en) * | 2018-03-15 | 2024-03-08 | 深圳市维力谷无线技术股份有限公司 | Satellite double-frequency antenna |
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| CN106961006B (en) | 2023-05-05 |
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