CN103531917B - Broadband high-gain directional yagi antenna - Google Patents
Broadband high-gain directional yagi antenna Download PDFInfo
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- CN103531917B CN103531917B CN201310416458.0A CN201310416458A CN103531917B CN 103531917 B CN103531917 B CN 103531917B CN 201310416458 A CN201310416458 A CN 201310416458A CN 103531917 B CN103531917 B CN 103531917B
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- 230000002093 peripheral effect Effects 0.000 claims description 12
- 239000000758 substrate Substances 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 7
- 238000005452 bending Methods 0.000 claims description 3
- 230000005855 radiation Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012512 characterization method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
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Abstract
The invention discloses a kind of broadband high-gain directional yagi antenna, comprising: reflecting plate; Antenna element, antenna element to be positioned at above reflecting plate and vertically spaced apart with reflecting plate; And director, director to be positioned at above described antenna element and vertically to open with described antenna element interval, and director is tabular, and each in the first and second longitudinal edges of director is the zigzag limiting multiple teeth portion and multiple teeth groove.According to broadband high-gain directional yagi antenna of the present invention, the edge length of director is increased, is formed and guide display into, namely add the efficiency of director, thus reduce the volume of director and the overall volume of antenna, and achieve wide-band high gain.
Description
Technical field
The present invention relates to a kind of antenna, particularly, relate to a kind of broadband high-gain directional yagi antenna.
Background technology
Yagi antenna is by an active dipole (being generally folded dipole), a passive reflector and multiple passive director end-fire antenna arranged in parallel.Yagi antenna has good directionality, higher than the gain of dipole antenna, therefore with Yagi antenna carry out direction finding, telecommunication is effective.But traditional Yagi antenna is arrowband high-gain aerial, its elementary cell gain is not high, therefore needs a lot of to draw phase device, causes antenna volume large (that is, length is long).
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, one object of the present invention be to propose that a kind of volume is little, bandwidth and the high broadband high-gain directional yagi antenna of gain.
According to a kind of broadband high-gain directional yagi antenna of the embodiment of the present invention, comprising: reflecting plate; Pillar, described pillar to be located on described reflecting plate and to be spaced along the longitudinal; Antenna element, described antenna element first and second longitudinally end be connected with described pillar respectively, described antenna element to be positioned at above described reflecting plate and vertically spaced apart with described reflecting plate; And director, first and second of described director is longitudinally held and is connected with described pillar respectively, described director to be positioned at above described antenna element and vertically to open with described antenna element interval, described director is tabular, and each in the first and second longitudinal edges of described director is the zigzag limiting multiple teeth portion and multiple teeth groove.
According to the broadband high-gain directional yagi antenna of the embodiment of the present invention, by the first longitudinal edge of director and the second longitudinal edge are formed zigzag fashion, the edge length of director is increased, display is guided in formation into, namely the efficiency of director is added, thus reduce the volume of director and the overall volume of antenna, and achieve wide-band high gain.
According to one embodiment of present invention, the teeth groove on described first longitudinal edge and the teeth groove one_to_one corresponding each other on described second longitudinal edge.
Alternatively, described teeth groove and described teeth portion are rectangle.
Alternatively, described teeth portion is provided with centre bore.
Preferably, described centre bore is rectangle.
According to one embodiment of present invention, a part of teeth portion height in the horizontal in multiple described teeth portion is greater than all the other teeth portion height in the horizontal.
According to one embodiment of present invention, a part of teeth groove degree of depth in the horizontal in multiple described teeth groove is greater than all the other teeth groove degree of depth in the horizontal.
According to one embodiment of present invention, the width of a part of teeth groove in described longitudinal direction in multiple described teeth groove is greater than the width of all the other teeth groove in described longitudinal direction.
According to one embodiment of present invention, the width of a part of teeth portion in described longitudinal direction in multiple described teeth portion is greater than the width of all the other teeth portion in described longitudinal direction.
According to one embodiment of present invention, described teeth groove is uniformly distributed along described longitudinal direction, and the width of multiple described teeth groove in described longitudinal direction is mutually the same and multiple described teeth groove degree of depth is in the horizontal mutually the same.
According to the director of above various embodiments of the present invention, add effective length, volume is little, thus achieves broadband, the high-gain of antenna.
According to one embodiment of present invention, described antenna element comprises the first antenna element, and described first antenna element has circulus, has the line of rabbet joint in described circulus, the inner peripheral that described circulus has outer peripheral edges and limited by the described line of rabbet joint.
Preferably, described first antenna element has longitudinal axis of symmetry and lateral symmetry axis.
Alternatively, described antenna element also comprises the second antenna element, and described second antenna element is connected to first longitudinal side of described first antenna element and second longitudinal side and is positioned on described lateral symmetry axis.
Thus, by arranging the second antenna element, can control antenna radiation in the vertical, reduce radiation in the other direction, make effective energy focus on useful direction, realize wave beam and control, improve antenna efficiency.Alternatively, the described line of rabbet joint comprises rectangle line of rabbet joint portion and trapezoidal line of rabbet joint portion.
According to one embodiment of present invention, described antenna element comprises substrate and is located at the metal level on substrate.
According to one embodiment of present invention, described director is multiple, and multiple described director is parallel to each other and be vertically spaced apart from each other.
According to one embodiment of present invention, described broadband high-gain directional yagi antenna comprises further: pillar, described pillar to be located on described reflecting plate and to be spaced along the longitudinal, first and second of wherein said antenna element is longitudinally held and is connected with described pillar respectively, and first and second of described director longitudinal ends are connected with described pillar respectively.
According to one embodiment of present invention, described director is tabular, bending tabular or curved slab shape.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 2 is the floor map of the antenna element of broadband high-gain directional yagi antenna shown in Fig. 1;
Fig. 3 is the floor map of the first example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 4 is the floor map of the second example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 5 is the floor map of the 3rd example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 6 is the floor map of the 4th example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 7 is the floor map of the 5th example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 8 is the floor map of the 6th example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention;
Fig. 9 is the floor map of the 7th example of the director of broadband high-gain directional yagi antenna according to the embodiment of the present invention.
Reference numeral:
Reflecting plate 1; Pillar 2;
Antenna element 3; First antenna element 31; The line of rabbet joint 311; Outer peripheral edges 312; Inner peripheral 313;
Second antenna element 32; Substrate 33; Metal level 34;
Director 4; Teeth portion 41; Centre bore 411; Teeth groove 42;
First longitudinal edge 4a; Second longitudinal edge 4b
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, "left", "right", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; instead of instruction or imply the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as limitation of the present invention.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
Below with reference to Fig. 1-Fig. 9, the broadband high-gain directional yagi antenna according to the embodiment of the present invention is described.
According to the broadband high-gain directional yagi antenna of the embodiment of the present invention, comprising: reflecting plate 1, antenna element 3 and director 4.
As shown in Figure 1, antenna element 3 to be positioned at above reflecting plate 1 and vertically direction and reflecting plate 1 spaced apart.Director 4 to be positioned at above antenna element 3 and vertically spaced apart with antenna element 3, and director 4 is tabular, and each in the first longitudinal edge 4a of director 4 and the second longitudinal edge 4b is the zigzag limiting multiple teeth portion 41 and multiple teeth groove 42.Alternatively, director 4 is tabular, bending tabular or curved slab shape.
According to the broadband high-gain directional yagi antenna of the embodiment of the present invention, by the first longitudinal edge 4a of director 4 and the second longitudinal edge 4b is formed zigzag fashion, the edge length of director 4 is increased, display is guided in formation into, namely the efficiency of director 4 is added, thus reduce the volume of director 4 and the overall volume of antenna, and achieve wide-band high gain.
According to some embodiments of the present invention, as shown in Fig. 3-Fig. 8, the teeth groove 42 on the first longitudinal edge 4a and teeth groove 42 one_to_one corresponding each other on the second longitudinal edge 4b.
Alternatively, as shown in Fig. 3-Fig. 9, teeth groove 42 and teeth portion 41 are rectangle.But, those skilled in the art are appreciated that, teeth groove 42 and teeth portion 41 can also be formed as the wherein a kind of or combination of triangle, the various shape such as polygon, circle, ellipse more than four limits, as long as the edge length of director 4 can be realized to increase.
Preferably, teeth portion 41 is provided with centre bore 411, in other words, as shown in Fig. 3-Fig. 6, at teeth portion 41 place of director 4 can hollow out to form centre bore 411.Alternatively, centre bore 411 is rectangle.But those skilled in the art are appreciated that multiple centre bore 411 can also be formed as the wherein a kind of or combination of triangle, the various shape such as polygon, circle, ellipse more than four limits.Be understandable that, teeth portion 41 can be solid.
In embodiments of the present invention, director 4 can be made up of sheet metal.In superincumbent description, the first longitudinal edge 4a of director 4 and the second longitudinal edge 4b forms zigzag fashion to form teeth portion 41 and teeth groove 42, and this is only used to convenient description.Be understandable that, such as, director 4 can be thought by multiple isolated teeth portion 41(or be called sheet metal or becket) formed, teeth portion 41 can be coupled together by bonding jumper or nonmetal bar (core as the guider in Fig. 3).
As shown in Figure 4 and Figure 5, in certain embodiments, a part of teeth portion 41 height in the horizontal in multiple teeth portion 41 is greater than all the other teeth portion 41 height in the horizontal.And in other embodiments of the present invention, as shown in Figure 6, a part of teeth groove 42 degree of depth in the horizontal in multiple teeth groove 42 is greater than all the other teeth groove 42 degree of depth in the horizontal.
In other embodiment of the present invention, a part of teeth groove 42 width in the vertical in multiple teeth groove 42 is greater than all the other teeth groove 42 width in the vertical, as shown in Figure 8 and Figure 9.And in the example shown in fig. 7, a part of teeth portion 41 width in the vertical in multiple teeth portion 41 is greater than all the other teeth portion 41 width in the vertical.
And in some preferred embodiments in, teeth groove 42 is longitudinally uniformly distributed, and multiple teeth groove 42 width is in the vertical mutually the same and multiple teeth groove 42 degree of depth is in the horizontal mutually the same, as shown in Figure 3.
According to the director 4 of above various embodiments of the present invention, add effective length, volume is little, thus achieves broadband, the high-gain of antenna.
According to some embodiments of the present invention, antenna element 3 comprises the first antenna element 31, as shown in Figure 2, the first antenna element 31 has the left and right horizontal direction in longitudinal axis of symmetry X-X(such as Fig. 2) and lateral symmetry axis Y-Y(such as Fig. 2 in vertical direction up and down).
First antenna element 31 has circulus, has the line of rabbet joint 311 in circulus, the inner peripheral 313 that circulus has outer peripheral edges 312 and limited by the line of rabbet joint 311.Outer peripheral edges 312 can be line pattern, curvilinear figure or straight bent mixed graph, as depicted in figs. 1 and 2, the outer peripheral edges 312 of the first antenna element 31 can be formed as rectangle, certain the present invention is not limited to this, and the outer peripheral edges 312 of the first antenna element 31 can also be formed as oval, more than the polygon etc. on four limits.
In some preferred examples, antenna element 3 also comprises the second antenna element 32, second antenna element 32 and is connected to first longitudinal side of the first antenna element 31 and second longitudinal side and is positioned on lateral symmetry axis Y-Y.Second antenna element 32 is coupled with the first antenna element 31.Thus, by arranging the second antenna element 32, can control antenna radiation in the vertical, reduce radiation in the other direction, make effective energy focus on useful direction, realize wave beam and control, improve antenna efficiency.
Wherein, first antenna element 31 can be called ring-type and slot antenna parts, second antenna element 32 can be configured to element antenna parts, thus be integrated with coil antenna parts, slot antenna parts and element antenna parts according to the antenna element 3 of the embodiment of the present invention, and volume is little, wave beam controls easily to realize, and antenna efficiency improves.
Alternatively, in such as example as shown in Figure 2, the line of rabbet joint 311 comprises rectangle line of rabbet joint portion S1, S3 and S5 and trapezoidal line of rabbet joint portion S2 and S4, and the cross central line of the line of rabbet joint 311 overlaps with the longitudinal centre line X-X of the first antenna element 31.Certainly, the present invention is not limited to this, and the line of rabbet joint 311 can also be rectangle, ellipse or triangle, and that is, the inner peripheral 313 of the first antenna element 31 can be formed as rectangle, ellipse, triangle or other shapes, schemes not shown.
As shown in Figure 2, according to some embodiments of the present invention, the metal level 34 that antenna element 3 comprises substrate 33 and is located on substrate 33.That is, metal level can be plated to form antenna element 3 in PCB substrate.
According to some embodiments of the present invention, as shown in Figure 2, director 4 can be multiple, and multiple director 4 is parallel to each other and be vertically spaced apart from each other.In an alternate exemplary, the distance often between adjacent two directors 4 can be identical, and distance is the quarter-wave of aerial signal.In another alternate exemplary, the distance often between adjacent two directors 4 is different from each other.In addition, in an optional example, the length along the longitudinal direction of different directors 4 can be identical with the width in transversely direction, also can be different, determines by specific design.
Broadband high-gain directional yagi antenna according to the embodiment of the present invention can also comprise pillar 2, as shown in Figure 1, pillar 2 to be located on reflecting plate 1 and to be spaced along the longitudinal, first and second of antenna element 3 is longitudinally held and is connected with pillar 2 respectively, and first and second of director 4 is longitudinally held and is connected with pillar 2 respectively.Thus, stable simple according to antenna structure of the present invention.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, the different embodiment described in this specification or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (17)
1. a broadband high-gain directional yagi antenna, is characterized in that, comprising:
Reflecting plate;
Antenna element, described antenna element to be positioned at above described reflecting plate and vertically spaced apart with described reflecting plate; With
Director, described director to be positioned at above described antenna element and vertically to open with described antenna element interval, described director is tabular, and each in the first and second longitudinal edges of described director is the zigzag limiting multiple teeth portion and multiple teeth groove, and described teeth portion is provided with centre bore.
2. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, the teeth groove one_to_one corresponding each other on the teeth groove on described first longitudinal edge and described second longitudinal edge.
3. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, described teeth groove and described teeth portion are rectangle.
4. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, described centre bore is rectangle.
5. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, a part of teeth portion height in the horizontal in multiple described teeth portion is greater than all the other teeth portion height in the horizontal.
6. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, a part of teeth groove degree of depth in the horizontal in multiple described teeth groove is greater than all the other teeth groove degree of depth in the horizontal.
7. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, the width of a part of teeth groove in described longitudinal direction in multiple described teeth groove is greater than the width of all the other teeth groove in described longitudinal direction.
8. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, the width of a part of teeth portion in described longitudinal direction in multiple described teeth portion is greater than the width of all the other teeth portion in described longitudinal direction.
9. broadband high-gain directional yagi antenna according to claim 1, it is characterized in that, described teeth groove is uniformly distributed along described longitudinal direction, and the width of multiple described teeth groove in described longitudinal direction is mutually the same and multiple described teeth groove degree of depth is in the horizontal mutually the same.
10. the broadband high-gain directional yagi antenna according to any one of claim 1-9, it is characterized in that, described antenna element comprises the first antenna element, described first antenna element has circulus, in described circulus, there is the line of rabbet joint, the inner peripheral that described circulus has outer peripheral edges and limited by the described line of rabbet joint.
11. broadband high-gain directional yagi antenna according to claim 10, is characterized in that, described first antenna element has longitudinal axis of symmetry and lateral symmetry axis.
12. broadband high-gain directional yagi antenna according to claim 11, it is characterized in that, described antenna element also comprises the second antenna element, and described second antenna element is connected to first longitudinal side of described first antenna element and second longitudinal side and is positioned on described lateral symmetry axis.
13. broadband high-gain directional yagi antenna according to claim 10, is characterized in that, the described line of rabbet joint comprises rectangle line of rabbet joint portion and trapezoidal line of rabbet joint portion.
14. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, described antenna element comprises substrate and is located at the metal level on substrate.
15. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, described director is multiple, and multiple described director is parallel to each other and be vertically spaced apart from each other.
16. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, comprise further:
Pillar, described pillar to be located on described reflecting plate and to be spaced along the longitudinal, wherein said antenna element first and second longitudinally end be connected with described pillar respectively, and first and second of described director longitudinally end be connected with described pillar respectively.
17. broadband high-gain directional yagi antenna according to claim 1, is characterized in that, described director is tabular, bending tabular or curved slab shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416458.0A CN103531917B (en) | 2013-09-12 | 2013-09-12 | Broadband high-gain directional yagi antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416458.0A CN103531917B (en) | 2013-09-12 | 2013-09-12 | Broadband high-gain directional yagi antenna |
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| CN103531917A CN103531917A (en) | 2014-01-22 |
| CN103531917B true CN103531917B (en) | 2015-09-09 |
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| CN201310416458.0A Active CN103531917B (en) | 2013-09-12 | 2013-09-12 | Broadband high-gain directional yagi antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| ES2719213T3 (en) * | 2016-03-14 | 2019-07-09 | Kathrein Se | Dipole-shaped radiator arrangement |
| US12034234B2 (en) | 2021-12-29 | 2024-07-09 | Beijing Boe Technology Development Co., Ltd. | Antenna and electronic apparatus |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073173U (en) * | 1990-08-17 | 1991-03-13 | 陈永林 | Saw-tooth combined antenna |
| JP4147210B2 (en) * | 2004-07-30 | 2008-09-10 | マスプロ電工株式会社 | Yagi / Uda antenna system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2604008Y (en) * | 2003-01-13 | 2004-02-18 | 赵玉成 | Combined all-channel steering television aerial |
| US7002518B2 (en) * | 2003-09-15 | 2006-02-21 | Intel Corporation | Low profile sector antenna configuration |
| KR100876332B1 (en) * | 2007-03-22 | 2008-12-31 | 신정현 | Receiving antenna |
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2013
- 2013-09-12 CN CN201310416458.0A patent/CN103531917B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073173U (en) * | 1990-08-17 | 1991-03-13 | 陈永林 | Saw-tooth combined antenna |
| JP4147210B2 (en) * | 2004-07-30 | 2008-09-10 | マスプロ電工株式会社 | Yagi / Uda antenna system |
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