CN207587958U - Beam selection antenna system - Google Patents
Beam selection antenna system Download PDFInfo
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- CN207587958U CN207587958U CN201720608251.7U CN201720608251U CN207587958U CN 207587958 U CN207587958 U CN 207587958U CN 201720608251 U CN201720608251 U CN 201720608251U CN 207587958 U CN207587958 U CN 207587958U
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- ground plane
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- low frequency
- frequency
- radiation body
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- 230000005855 radiation Effects 0.000 claims abstract description 218
- 230000005404 monopole Effects 0.000 claims abstract description 8
- 230000008878 coupling Effects 0.000 claims description 15
- 238000010168 coupling process Methods 0.000 claims description 15
- 238000005859 coupling reaction Methods 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 7
- 239000000725 suspension Substances 0.000 description 12
- 238000004891 communication Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000009977 dual effect Effects 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000005283 ground state Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 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
- H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
- H01Q15/14—Reflecting surfaces; Equivalent structures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
-
- 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
Abstract
The utility model relates to a beam selection antenna system, including ground plane, a radiating element and three reflecting element. The radiating element is vertically arranged on the edge of the ground plane. The radiation unit comprises a monopole antenna and two low-frequency radiators. The monopole antenna generates a high frequency resonance mode. The first low-frequency radiator and the second low-frequency radiator are respectively positioned at the left side and the right side of the monopole antenna to generate a low-frequency resonance mode, the extension part of each low-frequency radiator is coupled with the monopole antenna, and the grounding part is respectively connected to the grounding surface through the first switch and the second switch. The three reflection units are vertically connected to the ground plane through a third switch, a fourth switch and a fifth switch respectively. The third reflection unit, the first reflection unit and the first low-frequency radiator are arranged in a straight line. The third reflection unit, the second reflection unit and the second low-frequency radiator are arranged in a straight line. Therefore, the double-frequency operation effect of switchable radiation field types is achieved.
Description
Technical field
The utility model is related to a kind of antennas, and in particular, to a kind of beam selection antenna system.
Background technology
Indoor wireless communication device needs to allow various positions and angle in indoor environment, it may be possible to different compartments or not
Same floor can receive or send wireless signal.For example, wireless set-top box needs to receive wireless access point (Access
Point signal), and wireless access point is then required to provide access service for the wireless device of indoor each position.Again
For example, the running gear such as position of tablet computer or laptop (or laptop computer) indoors because user movement and
Change, in response to mobile situation, running gear must also have the ability to receive the signal of the wireless access point from different angle.
Therefore, indoor wireless communication device antenna design need can for the signal of all directions receive (or hair
Send) enough efficiency is provided.The directionality of antenna radiation patterns represents the signal transmitting and receiving energy for all directions (or angle)
Power.Research staff needs the solution for meeting economic benefit for antenna proposition used in indoor wireless communication device.
Utility model content
The utility model embodiment discloses a kind of beam selection antenna system, utilizes dual frequency radiation unit and reflector element
Design can be used to realize the beam selection antenna system of the dual frequency operation with changeable radiation pattern, indoor to be applied to
Wireless communication device.
The utility model embodiment discloses a kind of beam selection antenna system, including ground plane, the first radiating element, first
Reflector element, the second reflector element and third reflecting unit.First radiating element is perpendicular to ground plane and is set to ground plane
First edge.First radiating element includes the first unipole antenna, the first low frequency radiation body and the second low frequency radiation body.First is single
Pole antenna is set to the first edge of ground plane, and using the first radio frequency feeding portion to generate high-frequency resonance mode, wherein first
Radio frequency feeding portion is set between the first unipole antenna and ground plane.First low frequency radiation body is located at the left side of the first unipole antenna
To generate low-frequency resonance mode, the first low frequency radiation body has the first extension and the first grounding parts, the first extension to
The first unipole antenna is coupled, the first grounding parts of the first low frequency radiation body are connected to ground plane by first switch.Second low frequency
Radiator is located at the right side of the first unipole antenna to generate low-frequency resonance mode, and the second low frequency radiation body has the second extension
With the second grounding parts, for the second extension to couple the first unipole antenna, the second grounding parts of the second low frequency radiation body pass through
Two switches are connected to ground plane.First reflector element is vertically installed on ground plane, and switchs connection ground plane by third.
Second reflector element is vertically installed on ground plane, and connects ground plane by the 4th switch.Third reflecting unit is vertically set
It is placed on ground plane, and ground plane is connected by the 5th switch, wherein third reflecting unit, the first reflector element are with connecting the
The position of the first low frequency radiation body of one switch is arranged in a linear, and wherein third reflecting unit, the second reflector element are with connecting the
The position of second low frequency radiation body of two switches is arranged in a linear.
Preferably, first unipole antenna, the first low frequency radiation body and the second low frequency radiation body are located at perpendicular to ground connection
First vertical plane in face.
Preferably, first reflector element, the second reflector element and third reflecting unit are cylindrical conductors, and first reflects
The length of unit, the second reflector element and third reflecting unit is corresponding to the frequency of the high-frequency resonance mode of the first unipole antenna
The length of a quarter of wavelength, the length of the first low frequency radiation body and the second low frequency radiation body is all the frequency of low-frequency resonance mode
The a quarter of wavelength corresponding to rate, wherein when first switch or second switch are connected, corresponding first low frequency radiation body or
Second low frequency radiation body is turned on to ground plane.
Preferably, the direction extended perpendicular to the first edge of ground plane and toward the inside of ground plane is+X axis, parallel
In ground plane first edge and toward the direction of the second low frequency radiation body extension for+Z axis to, wherein when first switch is connected,
Radiation pattern direction+the X axis of low-frequency resonance mode and-Z axis are to the quadrant offset divided.
Preferably, the direction extended perpendicular to the first edge of ground plane and toward the inside of ground plane is+X axis, parallel
In ground plane first edge and toward the direction of the second low frequency radiation body extension for+Z axis to, wherein when second switch is connected,
Radiation pattern direction+the X axis of low-frequency resonance mode and+Z axis are to the quadrant offset divided.
Preferably, when first switch, second switch, third switch, the 4th switch are all not turned on the 5th switch, high frequency
Radiation pattern corresponding to resonance mode is deviated towards ground plane.
Preferably, when the third switch conduction that the first reflector element is connected, the first reflector element makes high-frequency resonance mould
Radiation pattern corresponding to state be directed away from ground plane side offset, wherein when the second reflector element connected the 4th switch
During conducting, the second reflector element makes the radiation pattern corresponding to high-frequency resonance mode be directed away from the lateral deviation of ground plane
It moves.
Preferably, when third switch conduction and second switch conducting, the radiation pattern court corresponding to high-frequency resonance mode
To the direction offset relative to the first reflector element, wherein when the 4th switch conduction and first switch conducting, high-frequency resonance mould
Radiation pattern corresponding to state is deviated towards relative to the direction of the second reflector element.
Preferably, the beam selection antenna system further includes the second radiating element, the 4th reflector element, the 5th reflection list
Member and the 6th reflector element.Second radiating element is perpendicular to ground plane and is set to the second edge of ground plane, second edge
Relative to each other with first edge, the second radiating element includes the second unipole antenna, third low frequency radiation body and the 4th low frequency spoke
Beam.Second unipole antenna is set to the second edge of ground plane and relative to each other with the first unipole antenna, and is penetrated using second
Frequency feeding portion is to generate high-frequency resonance mode, wherein the second radio frequency feeding portion is set between the second unipole antenna and ground plane.
Third low frequency radiation body is located at the left side of the second unipole antenna, and to generate low-frequency resonance mode, third low frequency radiation body has
Third extension and third grounding parts, to couple the second unipole antenna, the first of the first low frequency radiation body connects third extension
Ground portion is connected to ground plane by the 6th switch.4th low frequency radiation body is located at the right side of the second unipole antenna, low to generate
Frequency resonance mode, the 4th low frequency radiation body have the 4th extension and the 4th grounding parts, and the 4th extension is single to couple second
Pole antenna, the 4th grounding parts of the 4th low frequency radiation body are connected to ground plane by the 7th switch.4th reflector element is vertically set
It is placed on ground plane, and ground plane is connected by the 8th switch.5th reflector element is vertically installed on ground plane, and logical
Cross the 9th switch connection ground plane.6th reflector element is vertically installed on ground plane, and passes through the tenth switch connection ground connection
Face, wherein the position of the third low frequency radiation body of the 6th reflector element, the 4th reflector element with connecting the 6th switch is linearly arranged
Row, wherein the position of the 4th low frequency radiation body of the 6th reflector element, the 5th reflector element with connecting the 7th switch is linearly arranged
Row.
Preferably, second unipole antenna, third low frequency radiation body and the 4th low frequency radiation body are located at perpendicular to ground connection
Second vertical plane in face.
In conclusion the utility model embodiment provides a kind of beam selection antenna system, it is that the wave beam of dual frequency operation selects
Selecting antennas system utilizes cutting for three reflector elements and two low frequency radiation bodies of a radiating element (the first radiating element)
It changes, can reach the effect that multidirectional radiation pattern is covered.Also, radiating element (the first radiating element) only needs to be arranged on ground connection
Face edge can significantly save antenna system indoors with occupied space in wireless communication device.
Description of the drawings
Fig. 1 is the schematic diagram for the beam selection antenna system that the utility model embodiment provides.
Fig. 2 is the plane signal of the first radiating element of the beam selection antenna system that the utility model embodiment provides
Figure.
2.4GHz when Fig. 3 A are beam selection antenna system its first switch conductings that the utility model embodiment provides
The radiation pattern figure of operation frequency range.
2.4GHz when Fig. 3 B are beam selection antenna system its second switch conductings that the utility model embodiment provides
The radiation pattern figure of operation frequency range.
5GHz behaviour when Fig. 4 A are beam selection antenna system its first switch conductings that the utility model embodiment provides
Make the radiation pattern figure of frequency range.
5GHz behaviour when Fig. 4 B are beam selection antenna system its second switch conductings that the utility model embodiment provides
Make the radiation pattern figure of frequency range.
5GHz behaviour when Fig. 4 C are its third switch conductions of beam selection antenna system that the utility model embodiment provides
Make the radiation pattern figure of frequency range.
Fig. 5 A are its first switch of beam selection antenna system and the 4th switch conduction that the utility model embodiment provides
When 5GHz operation frequency ranges radiation pattern figure.
Fig. 5 B are its first switch of beam selection antenna system and the 5th switch conduction that the utility model embodiment provides
When 5GHz operation frequency ranges radiation pattern figure.
Fig. 6 A are its second switch of beam selection antenna system and third switch conduction that the utility model embodiment provides
When 5GHz operation frequency ranges radiation pattern figure.
Fig. 6 B are its second switch of beam selection antenna system and the 5th switch conduction that the utility model embodiment provides
When 5GHz operation frequency ranges radiation pattern figure.
Fig. 7 is showing for the beam selection antenna system with two groups of beam selection architectures that the utility model embodiment provides
It is intended to.
Fig. 8 A are the schematic diagrames of beam selection antenna system setting wireless electron device that the utility model embodiment provides.
Fig. 8 B are showing for the beam selection antenna system setting wireless electron device that another embodiment of the utility model provides
It is intended to.
Fig. 8 C are showing for the beam selection antenna system setting wireless electron device that another embodiment of the utility model provides
It is intended to.
The radiation pattern of 2.4GHz operation frequency ranges when Fig. 9 A are its six switch conductions of the beam selection antenna system of Fig. 7
Figure.
The radiation pattern of 2.4GHz operation frequency ranges when Fig. 9 B are its seven switch conductions of the beam selection antenna system of Fig. 7
Figure.
Fig. 9 C are the schematic diagrames of the radiation pattern switching of the beam selection antenna system of Fig. 7 its 2.4GHz operational frequency bands.
The radiation pattern of 5GHz operation frequency ranges when Figure 10 A are its six switch conductions of the beam selection antenna system of Fig. 7
Figure.
The radiation pattern of 5GHz operation frequency ranges when Figure 10 B are its seven switch conductions of the beam selection antenna system of Fig. 7
Figure.
The radiation pattern of 5GHz operation frequency ranges when Figure 10 C are its eight switch conductions of the beam selection antenna system of Fig. 7
Figure.
Figure 11 A are its 6th switch of the beam selection antenna system of Fig. 7 and 5GHz operation frequency ranges during nine switch conductions
Radiation pattern figure.
Figure 11 B are its 6th switch of the beam selection antenna system of Fig. 7 and 5GHz operation frequency ranges during ten switch conductions
Radiation pattern figure.
Figure 12 A are its 7th switch of the beam selection antenna system of Fig. 7 and 5GHz operation frequency ranges during eight switch conductions
Radiation pattern figure.
Figure 12 B are its 7th switch of the beam selection antenna system of Fig. 7 and 5GHz operation frequency ranges during ten switch conductions
Radiation pattern figure.
Figure 13 is the schematic diagram of the radiation pattern switching of the beam selection antenna system of Fig. 7 its 5GHz operational frequency bands.
Specific embodiment
The beam selection antenna system of the utility model embodiment can Ying Yu for various wireless electron devices, especially may be used
The wireless electron device of high-transmission data volume is needed in order to receiving from different directions to provide by switching radiation pattern
Wireless signal.The wireless electron device is, for example, laptop, the wireless set-top box or smart television that receive vision signal
Deng, but therefore the utility model does not limit.Furthermore the beam selection antenna system of the utility model embodiment is dual frequency operation
Application.
Referring to Fig. 1 and Fig. 2, Fig. 1 is the signal for the beam selection antenna system that the utility model embodiment provides
Figure, Fig. 2 are the floor map of the first radiating element of the beam selection antenna system that the utility model embodiment provides.This reality
The beam selection antenna system for applying example includes ground plane 1, the first radiating element 2, the first reflector element 31, the second reflector element
32 and third reflecting unit 33.First radiating element 2 is perpendicular to ground plane 1 and is set to the first edge 11 of ground plane 1.
First radiating element 2 includes the first unipole antenna 29, the first low frequency radiation body 21 and the second low frequency radiation body 22.First monopole day
The high-frequency resonance mode that line 29 generates is, for example, the operation corresponding to 5GHz frequency bands, the first low frequency radiation body 21 and the second low frequency spoke
The low-frequency resonance mode that beam 22 generates is, for example, the operation corresponding to 2.4GHz frequency bands.Therefore, the beam selection of the present embodiment
Antenna system may conform to current Wifi wireless network applications.In addition, the size of ground plane 1 is, for example, common laptop
Circuit board size inside the screen of (or laptop computer) or the size of internal circuit board, radio network router, either
Circuit board size inside DTV STB, but therefore the utility model does not limit.
First unipole antenna 29 is, for example, quarter-wave monopole.First unipole antenna 29 is set to ground plane 1
First edge 11, and using the first radio frequency feeding portion 291 to generate high-frequency resonance mode, wherein the first radio frequency feeding portion 291
It is set between the first unipole antenna 29 and ground plane 1.The first radio frequency feeding portion 291 is for example including transmission line or even packet
Impedance matching network is included, transmission line is, for example, coaxial transmission line or microstrip line, and transmission line also can simply utilize radio-frequency joint
It substitutes.But therefore the utility model does not limit the realization method of the first radio frequency feeding portion 291.
The left side (- Z axis to side) that first low frequency radiation body 21 is located at the first unipole antenna 29 is total to generate low frequency
It shakes mode, the first low frequency radiation body 21 has the first extension 21e and the first grounding parts 21g, the first extension 21e to couple
First unipole antenna 29, the first grounding parts 21g of the first low frequency radiation body 21 are connected to ground plane 1 by first switch 41.The
Two low frequency radiation bodies 22 are located at the right side (+Z axis to side) of the first unipole antenna 29 to generate low-frequency resonance mode, and
Two low frequency radiation bodies 22 have the second extension 22e and the second grounding parts 22g, the second extension 22e to couple the first monopole
Antenna 29, the second grounding parts 22g of the second low frequency radiation body 22 are connected to ground plane 1 by second switch 42.First low frequency spoke
The length of the length of beam 21 and the second low frequency radiation body 22 be all wavelength corresponding to the frequency of low-frequency resonance mode four/
One, wherein when first switch 41 or second switch 42 are connected, corresponding first low frequency radiation body 21 or the second low frequency radiation body
22 are turned on to ground plane 1.In the present embodiment, the first low frequency radiation body 21 and the second low frequency radiation body 22 are with first
It is mutually symmetrical, and the first unipole antenna 29, the first low frequency radiation body 21 and the second low frequency radiation on the basis of unipole antenna 29
Body 22 is located at the first vertical plane perpendicular to ground plane 1, and the base of first vertical plane is be overlapped with first edge 11, such as
This can significantly reduce the occupied area of antenna.First unipole antenna 29, the first low frequency radiation body 21 and the second low frequency radiation
Body 22 can be for example made in a surface of microwave base plate or be realized with printed circuit technique.
In addition, based on the first low frequency radiation body 21 and the second low frequency radiation body 22 excited using the mode of energy coupling,
The setting of first low frequency radiation body 21 and the second low frequency radiation body 22 can influence the imaginary impedance value of the first unipole antenna 29, because
This first radiating element 2 more may include two suspension joint coupling units 23a, 23b, and described two suspension joint coupling unit 23a, 23b divide
Not Wei Yu the first unipole antenna 29 the left and right sides, it is described to promote the inductive of the input impedance of the first unipole antenna 29
Two suspension joint coupling units 23a, 23b are not connected to the first unipole antenna 29, and it is low with second to be also not connected to the first low frequency radiation body 21
Radio-frequency radiation body 22, and suspension joint coupling unit 23a, between the first unipole antenna 29 and the first low frequency radiation body 21, suspension joint couples
Unit 23b is between the first unipole antenna 29 and the second low frequency radiation body 22.Specifically, suspension joint coupling unit 23a is neighbouring
The the first extension 21e and the first unipole antenna 29 of first low frequency radiation body 21, but do not contact both above-mentioned.Suspension joint coupling unit
23b but is not contacted both above-mentioned adjacent to the second extension 22e and the first unipole antenna 29 of the second low frequency radiation body 22.
First reflector element 31 is vertically installed on ground plane 1, and passes through 43 connection ground plane 1 of third switch.Second
Reflector element 32 is vertically installed on ground plane 1, and passes through 44 connection ground plane 1 of the 4th switch.Third reflecting unit 33 is hung down
It is directly set on ground plane 1, and passes through 45 connection ground plane 1 of the 5th switch, the wherein reflection of third reflecting unit 33, first list
The position of first 31 the first low frequency radiation body 21 with connecting first switch 41 is arranged in a linear, wherein third reflecting unit 33, the
The position of second low frequency radiation body 22 of two reflector elements 32 with connecting second switch 42 is arranged in a linear.
First reflector element 31, the second reflector element 32 and third reflecting unit 33 are cylindrical conductors, e.g. cylindrical,
Square column type, triangle cylindricality, polygonal cylindricality conductor, but the utility model not therefore limit.First reflector element 31, second is anti-
It can also be, for example, taper to penetrate unit 32 and the shape of third reflecting unit 33.First reflector element 31, the second reflector element 32
With the length of third reflecting unit 33 for wavelength corresponding to the frequency of the high-frequency resonance mode of the first unipole antenna 29 four/
One.
The situation of the beam selection antenna system of Fig. 1 its radiation pattern switching will be illustrated next.Perpendicular to the of ground plane 1
The direction that the inside of one edge 11 and past ground plane 1 extends is+X axis, is parallel to the first edge 11 and past second of ground plane 1
The direction that low frequency radiation body 22 extends for+Z axis to.First consider the radiation pattern of low-frequency resonance mode (2.4GHz), please refer to figure
When 3A and Fig. 3 B, Fig. 3 A is beam selection antenna system its first switch 41 conducting that the utility model embodiment provides
The radiation pattern figure of 2.4GHz operation frequency ranges, when first switch 41 is connected, radiation pattern is towards the first low frequency radiation body 21
Direction offset, the angle of antenna gain maximum be located at+X axis and-Z axis be to the quadrant covered, that is to say, that low frequency is common
Radiation pattern direction+the X axis for mode of shaking and-Z axis are to the quadrant offset divided.Fig. 3 B are that the utility model embodiment provides
The conducting of beam selection antenna system its second switch 42 when 2.4GHz operation frequency ranges radiation pattern figure, work as second switch
During 42 conducting, radiation pattern is to be deviated towards the direction of the second low frequency radiation body 22, and the angle of antenna gain maximum is to be located at+X
It is axial with+Z axis to the quadrant covered, that is to say, that the radiation pattern direction+X axis of low-frequency resonance mode and+Z axis are to institute
The quadrant offset of division.
Next consider, the radiation pattern of high-frequency resonance mode (5GHz frequency bands), made herein with the radiation pattern of 5.5GHz
Radiation pattern for entire 5GHz frequency ranges represents.When first switch 41, second switch 42, third switch the 43, the 4th switch 44 with
When 5th switch 45 is all not turned on, the radiation pattern corresponding to high-frequency resonance mode is deviated towards ground plane 1, and antenna gain is maximum
Direction be directed towards Fig. 1+X axis.The state switching of first low frequency radiation body 21 and the second low frequency radiation body 22 considered below
Situation.5GHz operations when Fig. 4 A are beam selection antenna system its first switch 41 conductings that the utility model embodiment provides
The radiation pattern figure of frequency range, Fig. 4 B are that beam selection antenna system its second switch 42 that the utility model embodiment provides is connected
When 5GHz operation frequency ranges radiation pattern figure.By Fig. 4 A and Fig. 4 B as it can be seen that the radiation field of high-frequency resonance mode (5GHz frequency bands)
Type is essentially all to maintain to deviate towards the direction of ground plane.That is, in the feelings for not considering reflector element (31,32,33)
Under condition, the ground state of the first low frequency radiation body 21 and the second low frequency radiation body 22 does not have a significant impact high-frequency resonance mode
The radiation pattern of (5GHz frequency bands).
Then, when Fig. 4 C are beam selection antenna system its third 43 conductings of switch that the utility model embodiment provides
5GHz operation frequency ranges radiation pattern figure, it is seen that when 43 conducting of switch of third that the first reflector element 31 is connected, first
The side that reflector element 31 makes the radiation pattern corresponding to high-frequency resonance mode be directed away from ground plane 1 deviates (- X axis).Together
Reason, when the 4th 44 conducting of switch that the second reflector element 32 is connected, the second reflector element 32 makes high-frequency resonance mode institute right
The radiation pattern answered is directed away from the side offset (- X axis) of ground plane 1, at this time the antenna gain maximum in radiation pattern
There were significant differences with Fig. 4 C, does not repeat.
Then, please refer to Fig. 5 A, Fig. 5 A be the beam selection antenna system that provides of the utility model embodiment its first open
The radiation pattern figure of 5GHz operation frequency ranges during 41 and the 4th 44 conducting of switch of pass.When 44 conducting of the 4th switch and first switch 41
During conducting, the radiation pattern corresponding to high-frequency resonance mode is deviated towards relative to the direction of the second reflector element 32, that is,
Second reflector element 32 causes reflecting effect.Then, it is that the wave beam that the utility model embodiment provides selects with reference to Fig. 5 B, Fig. 5 B
The radiation pattern figure of 5GHz operation frequency ranges during its first switch 41 and the 5th 45 conducting of switch of selecting antennas system, by the spoke of Fig. 5 B
Penetrate radiation pattern of the field pattern compared to Fig. 5 A, it is seen that the radiation pattern of Fig. 5 B more towards-X axis deviate, this by the 5th switch 45
Caused by the third reflecting unit 33 connected.
Then, Fig. 6 A are its second switch 42 of beam selection antenna system and third that the utility model embodiment provides
The radiation pattern figure of 5GHz operation frequency ranges during 43 conducting of switch is high when 43 conducting of third switch and the conducting of second switch 42
Radiation pattern corresponding to frequency resonance mode is deviated towards relative to the direction of the first reflector element 31, i.e. the first reflector element 31
Generate reflecting effect.Fig. 6 B are that beam selection antenna system its second switch 42 that the utility model embodiment provides is opened with the 5th
The radiation pattern figure of 5GHz operation frequency ranges during 45 conducting of pass, can by radiation pattern of the radiation pattern of Fig. 6 B compared to Fig. 6 A
See the radiation pattern of Fig. 6 B more towards-X axis deviates, this is made by the third reflecting units 33 that the 5th switch 45 is connected
Into.
Then, in another embodiment, Fig. 7 is please referred to, beam selection antenna system is in addition to the first radiation of Fig. 1 embodiments
Unit 2, the first reflector element 31, the second reflector element 32 and third reflecting unit 33, further include the second radiating element the 5, the 4th
Reflector element 34, the 5th reflector element 35 and the 6th reflector element 36.Second radiating element 5 is perpendicular to ground plane 1 and is set to
The second edge 12 of ground plane 1, second edge 12 and first edge 11 are relative to each other, that is to say, that the second radiating element 5 and the
One radiating element 2 is relative to each other at two edges (11,12) of ground plane 1.Generally, the structure of the second radiating element 5 and original
Reason is identical to the first radiating element 2.First radiating element 2, the first reflector element 31, the second reflector element 32 and third reflection are single
Member 33 constitutes first group of beam selection architecture, and the second radiating element 5, the 4th reflector element 34, the 5th reflector element 35 with
6th reflector element 36 constitutes second group of beam selection architecture for being symmetrical with first group of beam selection architecture, this two groups of wave beam choosings
The system of selecting a good opportunity may achieve the effect of radiation pattern complementation.
The feature of second radiating element 5 is as described below, and the second radiating element 5 includes the second unipole antenna 59, third low frequency
51 and the 4th low frequency radiation body 52 of radiator.Second unipole antenna 59 be set to the second edge 12 of ground plane 1 and with it is first single
Pole antenna 29 is relative to each other, and using the second radio frequency feeding portion 591 to generate high-frequency resonance mode, wherein the second radio frequency feed-in
Portion 591 is set between the second unipole antenna 59 and ground plane 1.Third low frequency radiation body 51 is located at a left side for the second unipole antenna 59
Side, to generate low-frequency resonance mode, third low frequency radiation body 51 has third extension 51e and third grounding parts 51g, third
For extension 51e to couple the second unipole antenna 59, the third grounding parts 51g of third low frequency radiation body 51 passes through the 6th switch
46 are connected to ground plane 1.4th low frequency radiation body 52 is located at the right side of the second unipole antenna 59, to generate low-frequency resonance mould
State, the 4th low frequency radiation body 52 have the 4th extension 52e and the 4th grounding parts 52g, and the 4th extension 52g is coupling second
Unipole antenna 59, the 4th grounding parts 52g of the 4th low frequency radiation body 52 are connected to ground plane 1 by the 7th switch 47.4th is anti-
It penetrates unit 34 to be vertically installed on ground plane 1, and passes through 48 connection ground plane 1 of the 8th switch.5th reflector element 35 is vertical
It is set on ground plane 1, and passes through 49 connection ground plane 1 of the 9th switch.6th reflector element 36 is vertically installed in ground plane
On 1, and pass through 410 connection ground plane 1 of the tenth switch.6th reflector element 36, the 4th reflector element 34 are opened with connecting the 6th
The position for closing 46 third low frequency radiation body 51 is arranged in a linear.6th reflector element 36, the 5th reflector element 35 are with connecting
The position of 4th low frequency radiation body 52 of seven switches 47 is arranged in a linear.Furthermore the second unipole antenna 59, third low frequency radiation body
51 and the 4th low frequency radiation body 52 be located at perpendicular to ground plane 1 the second vertical plane, the base of second vertical plane with
Second edge 12 is overlapped.In addition, the second radiating element 5 more may include two suspension joint coupling units 53a, 53b, described two suspension joints
Coupling unit 53a, 53b are identical with suspension joint coupling unit 23a, 23b of the first radiating element 2, repeat no more.
Then, referring again to the exemplary applications of Fig. 8 A, Fig. 8 B and Fig. 8 C, the beam selection antenna system example of Fig. 1 embodiments
Such as applied to the position 81,82,83 of the screen frame (as shown in Figure 8 A) of TV or it is set to the foot stool side of TV (such as
Shown in Fig. 8 B) position 84,85,86.The beam selection antenna system with two groups of beam selection architectures of Fig. 7 embodiments then may be used
Applied to set-top box (as shown in Figure 8 C) or two side positions of the internal circuit board 100 (as ground plane) of wireless router, but
Therefore the utility model does not limit.It will be described below the radiation pattern of Fig. 7 embodiments.
Then illustrate low-frequency resonance mode radiation pattern switching, Fig. 9 A be Fig. 7 beam selection antenna system its 6th
The radiation pattern figure of 2.4GHz operation frequency ranges during switch conduction, Fig. 9 B are its 7th switches of the beam selection antenna system of Fig. 7
The radiation pattern figure of 2.4GHz operation frequency ranges during conducting.The radiation pattern of Fig. 9 A is the radiation pattern for being symmetrical with Fig. 3 A, and is schemed
The radiation pattern of 9B is the radiation pattern for being symmetrical with Fig. 3 B.Therefore, the beam selection aerial system that Fig. 9 C, Fig. 9 C are Fig. 7 is please referred to
The schematic diagram of the radiation pattern switching for its 2.4GHz operational frequency bands of uniting, it is seen that radiation pattern switching has there are four types of different directions,
These four switch modes be controlled by the first low frequency radiation body 21, the second low frequency radiation body 22, third low frequency radiation body 51 with
4th low frequency radiation body 52.
Then illustrate high-frequency resonance mode radiation pattern switching, Figure 10 A be Fig. 7 beam selection antenna system its 6th
The radiation pattern figure of 5GHz operation frequency ranges during 46 conducting of switch, the radiation pattern of Figure 10 A is the radiation pattern for being symmetrical with Fig. 4 A.
The radiation pattern figure of 5GHz operation frequency ranges when Figure 10 B are its 47 conductings of the 7th switch of the beam selection antenna system of Fig. 7, figure
The radiation pattern of 10B is the radiation pattern for being symmetrical with Fig. 4 B.Figure 10 C are its 8th switches 48 of the beam selection antenna system of Fig. 7
The radiation pattern figure of 5GHz operation frequency ranges during conducting, the radiation pattern of Figure 10 B are the radiation patterns for being symmetrical with Fig. 4 C.Figure 11 A
The radiation pattern of 5GHz operation frequency ranges when being its 46 and the 9th 49 conducting of switch of the 6th switch of the beam selection antenna system of Fig. 7
Figure, the radiation pattern of Figure 11 A is the radiation pattern for being symmetrical with Fig. 5 A.Figure 11 B be Fig. 7 beam selection antenna system its 6th open
The radiation pattern figure of 5GHz operation frequency ranges during 46 and the tenth 410 conducting of switch of pass, the radiation pattern of Figure 11 B is to be symmetrical with Fig. 5 B
Radiation pattern.5GHz when Figure 12 A are its 47 and the 8th 48 conductings of switch of the 7th switch of the beam selection antenna system of Fig. 7 is grasped
Make the radiation pattern figure of frequency range, the radiation pattern of Figure 12 A is the radiation pattern for being symmetrical with Fig. 6 A.Figure 12 B are the beam selections of Fig. 7
The radiation pattern figure of 5GHz operation frequency ranges during its 47 and the tenth 410 conducting of switch of the 7th switch of antenna system, the radiation of Figure 12 B
Field pattern is the radiation pattern for being symmetrical with Fig. 6 B.Above field pattern switch instances are presented with Figure 13, and Figure 13 is the beam selection of Fig. 7
The schematic diagram of the radiation pattern switching of its 5GHz operational frequency bands of antenna system, it is seen that the beam selection antenna system of Fig. 7 embodiments
The a variety of directional pattern switchings of X-Z plane can be covered, may conform to the radiation pattern demand of the various different directions of X-Z plane.Base
In for the explanation of one group of beam selection architecture and two groups of beam selection architectures, those of ordinary skill in the art can be by this above
The technology of utility model embodiment extends to the application of multigroup beam selection architecture.
In conclusion the beam selection antenna system that the utility model embodiment is provided, is that the wave beam of dual frequency operation selects
Selecting antennas system forms one group of wave beam using the switching of three reflector elements and two low frequency radiation bodies of a radiating element and selects
The system of selecting a good opportunity can reach the effect that multidirectional radiation pattern is covered.Also, radiating element (the first radiating element) only needs to be arranged on
Ground plane edge can significantly save antenna system indoors with occupied space in wireless communication device.It is also, described
The structure of beam selection antenna system is simple, manufacture with it is easy to assembly.Furthermore it is selected when using two groups of (or more than two) wave beams
The system of selecting a good opportunity can easily reach the effect of radiation pattern based on a variety of different angles in the plane where ground plane switches,
The communications applications of the various angles in the plane where ground plane can generally be covered.
The above description is only the embodiments of the present invention, is not the scope of the claims to limit to the utility model.
Reference numeral
1：Ground plane
11：First edge
2：First radiating element
29：First high frequency radiating element
291：First radio frequency feeding portion
21：First low frequency radiation body
21e：First extension
21g：First grounding parts
22：Second low frequency radiation body
22e：Second extension
22g：Second grounding parts
23a、23b：Suspension joint coupling unit
31：First reflector element
32：Second reflector element
33：Third reflecting unit
41：First switch
42：Second switch
43：Third switchs
44：4th switch
45：5th switch
X、Y、Z：Axis
12：Second edge
5：Second radiating element
59：Second high frequency radiating element
591：Second radio frequency feeding portion
51：Third low frequency radiation body
51e：Third extension
51g：Third grounding parts
52：4th low frequency radiation body
52e：4th extension
52g：4th grounding parts
53a、53b：Suspension joint coupling unit
51：4th reflector element
52：5th reflector element
53：6th reflector element
46：6th switch
47：7th switch
48：8th switch
49：9th switch
410：Tenth switch
81、82、83、84、85、86、87：Position
100：Internal circuit board
Claims (10)
1. a kind of beam selection antenna system, including：
One ground plane；
One first radiating element perpendicular to the ground plane and is set to a first edge of the ground plane, first radiating element
Including：
One first unipole antenna, is set to the first edge of the ground plane, and using one first radio frequency feeding portion to generate one
High-frequency resonance mode, wherein the first radio frequency feeding portion are set between first unipole antenna and the ground plane；
One first low frequency radiation body, positioned at a left side of first unipole antenna, to generate a low-frequency resonance mode, this first
Low frequency radiation body have one first extension and one first grounding parts, first extension to couple first unipole antenna,
First grounding parts of the first low frequency radiation body are connected to the ground plane by a first switch；And
One second low frequency radiation body, which is located at a right side of first unipole antenna, low to generate this
Frequency resonance mode, the second low frequency radiation body have one second extension and one second grounding parts, and second extension is to coupling
First unipole antenna is closed, second grounding parts of the second low frequency radiation body are connected to the ground plane by a second switch；
One first reflector element, is vertically installed on the ground plane, and is switched by a third and connect the ground plane；
One second reflector element, is vertically installed on the ground plane, and connects the ground plane by one the 4th switch；And
One third reflecting unit is vertically installed on the ground plane, and connects the ground plane by one the 5th switch, wherein should
It linearly arranges the position of the first low frequency radiation body of third reflecting unit, first reflector element with connecting the first switch
Row, the wherein position of the second low frequency radiation body of the third reflecting unit, second reflector element with connecting the second switch
It is arranged in a linear.
2. beam selection antenna system as described in claim 1, which is characterized in that first unipole antenna, first low frequency
Radiator is located at one first vertical plane perpendicular to the ground plane with the second low frequency radiation body.
3. beam selection antenna system as described in claim 1, which is characterized in that first reflector element, second reflection
Unit and the third reflecting unit are cylindrical conductors, first reflector element, second reflector element and the third reflecting unit
A quarter of the length for wavelength corresponding to the frequency of the high-frequency resonance mode of first unipole antenna, wherein this is first low
The length of radio-frequency radiation body and the length of the second low frequency radiation body are all four of wavelength corresponding to the frequency of the low-frequency resonance mode
/ mono-, wherein when the first switch or the second switch are connected, the corresponding first low frequency radiation body or second low frequency
Radiator is turned on to the ground plane.
4. beam selection antenna system as described in claim 1, which is characterized in that perpendicular to the first edge of the ground plane
And the direction extended toward the inside of the ground plane is+X axis, is parallel to the first edge of the ground plane and past second low frequency
The direction of radiator extension for+Z axis to, wherein when the first switch be connected, the radiation pattern direction of the low-frequency resonance mode+
X axis and-Z axis are to the quadrant offset divided.
5. beam selection antenna system as described in claim 1, which is characterized in that perpendicular to the first edge of the ground plane
And the direction extended toward the inside of the ground plane is+X axis, is parallel to the first edge of the ground plane and past second low frequency
The direction of radiator extension for+Z axis to, wherein when the second switch be connected, the radiation pattern direction of the low-frequency resonance mode+
X axis and+Z axis are to the quadrant offset divided.
6. beam selection antenna system as described in claim 1, which is characterized in that when the first switch, the second switch, be somebody's turn to do
When third switch, the 4th switch are all not turned on the 5th switch, the radiation pattern direction corresponding to the high-frequency resonance mode
The ground plane deviates.
7. beam selection antenna system as claimed in claim 6, which is characterized in that when what first reflector element was connected is somebody's turn to do
During third switch conduction, which makes the radiation pattern corresponding to the high-frequency resonance mode be directed away from the ground plane
Side offset, wherein when four switch conduction that second reflector element is connected, which makes the height
Radiation pattern corresponding to frequency resonance mode is directed away from the side offset of the ground plane.
8. beam selection antenna system as claimed in claim 7, which is characterized in that when the third switch conduction and this second open
When closing conducting, the radiation pattern corresponding to the high-frequency resonance mode is deviated towards relative to the direction of first reflector element,
In when the 4th switch conduction and the first switch are connected, radiation pattern corresponding to the high-frequency resonance mode towards relative to
The direction offset of second reflector element.
9. beam selection antenna system as described in claim 1, which is characterized in that further include：
One second radiating element perpendicular to the ground plane and is set to a second edge of the ground plane, the second edge with should
First edge is relative to each other, which includes：
One second unipole antenna is set to the second edge of the ground plane and relative to each other with first unipole antenna, and profit
With one second radio frequency feeding portion to generate the high-frequency resonance mode, wherein the second radio frequency feeding portion is set to the second monopole day
Between line and the ground plane；
One third low frequency radiation body, positioned at a left side of second unipole antenna, to generate the low-frequency resonance mode, the third
Low frequency radiation body have a third extension and a third grounding parts, the third extension to couple second unipole antenna,
First grounding parts of the first low frequency radiation body are connected to the ground plane by one the 6th switch；And
One the 4th low frequency radiation body, the 4th low frequency radiation body is located at a right side of second unipole antenna, low to generate this
Frequency resonance mode, the 4th low frequency radiation body have one the 4th extension and one the 4th grounding parts, and the 4th extension is to coupling
Second unipole antenna is closed, the 4th grounding parts of the 4th low frequency radiation body are connected to the ground plane by one the 7th switch；
One the 4th reflector element, is vertically installed on the ground plane, and connects the ground plane by one the 8th switch；
One the 5th reflector element, is vertically installed on the ground plane, and connects the ground plane by one the 9th switch；And
One the 6th reflector element, is vertically installed on the ground plane, and connects the ground plane by 1 the tenth switch, wherein should
It linearly arranges the position of the third low frequency radiation body of 6th reflector element, the 4th reflector element with connecting the 6th switch
Row, the position of the 4th low frequency radiation body of wherein the 6th reflector element, the 5th reflector element with connecting the 7th switch
It is arranged in a linear.
10. beam selection antenna system as claimed in claim 9, which is characterized in that second unipole antenna, the third low frequency
Radiator is located at one second vertical plane perpendicular to the ground plane with the 4th low frequency radiation body.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105134897 | 2016-10-26 | ||
| TW105134897A TWI622228B (en) | 2016-10-26 | 2016-10-26 | Beam selection antenna system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207587958U true CN207587958U (en) | 2018-07-06 |
Family
ID=59934094
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720608251.7U Withdrawn - After Issue CN207587958U (en) | 2016-10-26 | 2017-05-27 | Beam selection antenna system |
| CN201710389972.8A Withdrawn CN107230826A (en) | 2016-10-26 | 2017-05-27 | Beam selection antenna system |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710389972.8A Withdrawn CN107230826A (en) | 2016-10-26 | 2017-05-27 | Beam selection antenna system |
Country Status (2)
| Country | Link |
|---|---|
| CN (2) | CN207587958U (en) |
| TW (1) | TWI622228B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108493574B (en) * | 2018-03-12 | 2020-08-04 | Oppo广东移动通信有限公司 | Antenna assembly and electronic equipment |
| CN109149060B (en) * | 2018-08-15 | 2020-06-30 | 常熟市泓博通讯技术股份有限公司 | Controllable antenna module and electronic device with same |
| TWI753300B (en) * | 2018-10-11 | 2022-01-21 | 智易科技股份有限公司 | Printed antenna with pin header and electronic device having the same |
| CN111262001B (en) * | 2018-12-03 | 2021-04-02 | 启碁科技股份有限公司 | Communication device and notebook computer device |
| CN111463559B (en) * | 2019-01-22 | 2022-07-08 | 台达电子工业股份有限公司 | Beam adjustable antenna device |
| CN110212299B (en) * | 2019-05-21 | 2021-05-11 | 常熟市泓博通讯技术股份有限公司 | Array antenna module with adjustable element factors |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US6972729B2 (en) * | 2003-06-20 | 2005-12-06 | Wang Electro-Opto Corporation | Broadband/multi-band circular array antenna |
| EP1665457A1 (en) * | 2003-09-15 | 2006-06-07 | LG Telecom, Ltd. | Beam switching antenna system and method and apparatus for controlling the same |
| WO2006015121A2 (en) * | 2004-07-29 | 2006-02-09 | Interdigital Technology Corporation | Multi-mode input impedance matching for smart antennas and associated methods |
| US7911402B2 (en) * | 2008-03-05 | 2011-03-22 | Ethertronics, Inc. | Antenna and method for steering antenna beam direction |
-
2016
- 2016-10-26 TW TW105134897A patent/TWI622228B/en active
-
2017
- 2017-05-27 CN CN201720608251.7U patent/CN207587958U/en not_active Withdrawn - After Issue
- 2017-05-27 CN CN201710389972.8A patent/CN107230826A/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| CN107230826A (en) | 2017-10-03 |
| TW201817083A (en) | 2018-05-01 |
| TWI622228B (en) | 2018-04-21 |
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