CN103531917A - Broadband high-gain directional yagi antenna - Google Patents
Broadband high-gain directional yagi antenna Download PDFInfo
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- CN103531917A CN103531917A CN201310416458.0A CN201310416458A CN103531917A CN 103531917 A CN103531917 A CN 103531917A CN 201310416458 A CN201310416458 A CN 201310416458A CN 103531917 A CN103531917 A CN 103531917A
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- 108010036039 Serrate-Jagged Proteins Proteins 0.000 abstract 1
- 230000005855 radiation Effects 0.000 description 4
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Abstract
The invention discloses a broadband high-gain directional yagi antenna. The antenna comprises a reflecting plate, an antenna unit and a director, wherein the antenna unit is positioned above the reflecting plate and is spaced away from the reflecting plate along the vertical direction; the director is positioned above the antenna unit, is spaced away from the antenna unit along the vertical direction and is plate-shaped; each one of a first longitudinal edge and a second longitudinal edge of the director is a serrate edge for limiting a plurality of tooth parts and a plurality of tooth grooves. According to the broadband high-gain directional yagi antenna, the length of the edge of the director is increased to form a direction array, i.e., the efficiency of the director is increased, so that the size of the director and the integral size of the antenna are reduced, and broadband high gain is realized.
Description
Technical field
The present invention relates to a kind of antenna, particularly, relate to a kind of wide-band high gain orientation class Yagi antenna.
Background technology
Yagi antenna is the end-fire antenna that is arranged in parallel and is formed by an active dipole (being generally folded dipole), a passive reflector and a plurality of passive director.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, the gain of its elementary cell 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 at least to a certain extent one of technical problem in correlation technique.For this reason, one object of the present invention be to propose that a kind of volume is little, bandwidth and gain wide-band high gain orientation class Yagi antenna high.
A kind of wide-band high gain orientation class Yagi antenna according to the embodiment of the present invention, comprising: reflecting plate; Pillar, described pillar is located on described reflecting plate and is spaced along the longitudinal; Antenna element, first and second of described antenna element is longitudinally held and is connected with described pillar respectively, and described antenna element is positioned at described reflecting plate top and edge is vertical 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 is positioned at described antenna element top and edge is vertical spaced apart with described antenna element, described director is tabular, and each in the first and second longitudinal edges of described director is the zigzag that limits a plurality of tooth portions and a plurality of teeth groove.
According to the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention, by the first longitudinal edge of director and the second longitudinal edge are formed to zigzag fashion, the edge length of director is increased, display is guided in formation into, increased the efficiency of director, thereby reduced the overall volume of volume and the antenna of director, and realized wide-band high gain.
According to one embodiment of present invention, the teeth groove on described the first longitudinal edge is corresponding one by one each other with the teeth groove on described the second longitudinal edge.
Alternatively, described teeth groove and described tooth portion are rectangle.
Alternatively, described tooth portion is provided with centre bore.
Preferably, described centre bore is rectangle.
According to one embodiment of present invention, the height in the horizontal of a part of tooth portion in a plurality of described tooth portion is greater than all the other tooth portion height in the horizontal.
According to one embodiment of present invention, the degree of depth in the horizontal of a part of teeth groove in a plurality of described teeth groove is greater than all the other teeth groove degree of depth in the horizontal.
According to one embodiment of present invention, a part of teeth groove in a plurality of described teeth groove is greater than all the other teeth groove at described width on longitudinally at described width on longitudinally.
According to one embodiment of present invention, a part of tooth portion in a plurality of described tooth portion is greater than all the other tooth portions at described width on longitudinally at described width on longitudinally.
According to one embodiment of present invention, described teeth groove is longitudinally uniformly distributed along described, and a plurality of described teeth groove are mutually the same and a plurality of described teeth groove degree of depth is in the horizontal mutually the same at described width on longitudinally.
Director according to above various embodiments of the present invention, has increased effective length, and volume is little, thereby has realized broadband, the high-gain of antenna.
According to one embodiment of present invention, described antenna element comprises the first antenna element, and described the first antenna element has circulus, in described circulus, has the line of rabbet joint, the inner peripheral that described circulus has outer peripheral edges and limited by the described line of rabbet joint.
Preferably, described the first antenna element has longitudinal axis of symmetry and lateral symmetry axis.
Alternatively, described antenna element also comprises the second antenna element, and described the second antenna element is connected to first longitudinal side and second longitudinal side of described the first antenna element and is positioned on described lateral symmetry axis.
Thus, by the second antenna element is set, 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 a plurality of, and a plurality of described directors are parallel to each other and along being vertically spaced apart from each other.
According to one embodiment of present invention, described wide-band high gain orientation class Yagi antenna further comprises: pillar, described pillar is located on described reflecting plate and is 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 longitudinal ends of described director are connected with described pillar respectively.
According to one embodiment of present invention, described director is tabular, bending is tabular or curved slab shape.
Accompanying drawing explanation
Fig. 1 is according to the schematic diagram of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 2 is the floor map of the antenna element of the orientation class of wide-band high gain shown in Fig. 1 Yagi antenna;
Fig. 3 is according to the floor map of the first example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 4 is according to the floor map of the second example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 5 is according to the floor map of the 3rd example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 6 is according to the floor map of the 4th example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 7 is according to the floor map of the 5th example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 8 is according to the floor map of the 6th example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention;
Fig. 9 is according to the floor map of the 7th example of the director of the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention.
Reference numeral:
Reflecting plate 1; Pillar 2;
The second antenna element 32; Substrate 33; Metal level 34;
The first longitudinal edge 4a; The second longitudinal edge 4b
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of identical or similar functions from start to finish.Below by the embodiment being described with reference to the drawings, be exemplary, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, orientation or the position relationship of the indications such as term " " center ", " longitudinally ", " laterally ", " on ", D score, " left side ", " right side ", " interior ", " outward " be based on orientation shown in the drawings or position relationship; be only the present invention for convenience of description and simplified characterization; rather than the device of indication or hint indication or element must have specific orientation, with specific orientation structure and operation, so can not be interpreted as limitation of the present invention.In addition, term " first ", " second " be only for describing object, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the terms such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and for example, can be to be fixedly connected with, and can be also to removably connect, or be integral; Can be mechanical connection, can be to be also electrically connected to; Can be to be directly connected, also can indirectly 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, can understand as the case may be above-mentioned term concrete meaning in the present invention.
Below with reference to Fig. 1-Fig. 9, describe according to the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention.
Wide-band high gain orientation class Yagi antenna according to the embodiment of the present invention, comprising: reflecting plate 1, antenna element 3 and director 4.
As shown in Figure 1, antenna element 3 is positioned at reflecting plate 1 top and spaced apart along vertical direction and reflecting plate 1.Director 4 is positioned at antenna element 3 tops and edge is vertical and antenna element 3 is spaced apart, and director 4 is tabular, and the first longitudinal edge 4a of director 4 and each in the second longitudinal edge 4b are the zigzag that limits a plurality of tooth portions 41 and a plurality of teeth groove 42.Alternatively, director 4 is tabular, bending is tabular or curved slab shape.
According to the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention, by the first longitudinal edge 4a of director 4 and the second longitudinal edge 4b are formed to zigzag fashion, the edge length of director 4 is increased, display is guided in formation into, increased the efficiency of director 4, thereby reduced the volume of director 4 and the overall volume of antenna, and realized 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 is corresponding one by one each other with the teeth groove 42 on the second longitudinal edge 4b.
Alternatively, as shown in Fig. 3-Fig. 9, teeth groove 42 and tooth portion 41 are rectangle.Yet, those skilled in the art are appreciated that, teeth groove 42 and tooth portion 41 can also form the wherein a kind of or combination of the various shapes such as triangle, the polygon more than four limits, circle, ellipse, as long as can realize, the edge length of director 4 are increased.
Preferably, tooth portion 41 is provided with centre bore 411, in other words, as shown in Fig. 3-Fig. 6, can hollow out at tooth portion 41 places of director 4 to form centre bore 411.Alternatively, centre bore 411 is rectangle.Yet those skilled in the art are appreciated that a plurality of centre bores 411 can also form the wherein a kind of or combination of the various shapes such as triangle, the polygon more than four limits, circle, ellipse.Be understandable that, tooth portion 41 can be for solid.
In embodiments of the present invention, director 4 can be made by sheet metal.In superincumbent description, the first longitudinal edge 4a of director 4 and the second longitudinal edge 4b form zigzag fashion to form tooth portion 41 and teeth groove 42, and this is only used to convenient description.Be understandable that, for example, director 4 can be thought by a plurality of isolated tooth 41(of portion or be called sheet metal or becket) form, tooth portion 41 can be coupled together by bonding jumper or nonmetal (as the core of the guider in Fig. 3).
As shown in Figure 4 and Figure 5, in certain embodiments, the height in the horizontal of a part of tooth portion 41 in a plurality of tooth portion 41 is greater than all the other tooth portion 41 height in the horizontal.And in other embodiment of the present invention, as shown in Figure 6, the degree of depth in the horizontal of a part of teeth groove 42 in a plurality of 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, the width in the vertical of a part of teeth groove 42 in a plurality of 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 example as shown in Figure 7, the width in the vertical of a part of tooth portion 41 in a plurality of tooth portion 41 is greater than all the other tooth portion 41 width in the vertical.
And in some preferred embodiments, teeth groove 42 is longitudinally uniformly distributed, a plurality of teeth groove 42 width is in the vertical mutually the same and a plurality of teeth groove 42 degree of depth is in the horizontal mutually the same, as shown in Figure 3.
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 for example left and right horizontal direction in Fig. 2 of longitudinal axis of symmetry X-X() and the lateral symmetry axis Y-Y(vertical direction up and down in Fig. 2 for example).
The 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 form rectangle, certainly the present invention is not limited to this, and the outer peripheral edges 312 of the first antenna element 31 can also form ellipse, more than the polygon on four limits etc.
In some preferred examples, antenna element 3 also comprises that the second antenna element 32, the second antenna elements 32 are connected to first longitudinal side and second longitudinal side of the first antenna element 31 and are positioned on lateral symmetry axis Y-Y.The second antenna element 32 and the first antenna element 31 couplings.Thus, by the second antenna element 32 is set, 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, the first antenna element 31 can be called ring-type and slot antenna parts, the second antenna element 32 can be configured to element antenna parts, thereby according to the antenna element 3 of the embodiment of the present invention integrated coil antenna parts, slot antenna parts and element antenna parts, and volume is little, wave beam is controlled easily and is realized, and antenna efficiency improves.
Alternatively, in example as shown in Figure 2 for example, the line of rabbet joint 311 comprises the rectangle line of rabbet joint S1 of portion, S3 and S5 and the trapezoidal line of rabbet joint S2 of portion 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 that is to say for rectangle, ellipse or triangle, and the inner peripheral 313 of the first antenna element 31 can form rectangle, ellipse, triangle or other shapes, schemes not shown.
As shown in Figure 2, according to some embodiments of the present invention, antenna element 3 comprises substrate 33 and is located at the metal level 34 on substrate 33.That is to say, can on PCB substrate, plate metal level to form antenna element 3.
According to some embodiments of the present invention, as shown in Figure 2, director 4 can be for a plurality of, and a plurality of directors 4 are parallel to each other and along being vertically spaced apart from each other.In an optional example, the distance between every adjacent two directors 4 can be identical, and distance is the quarter-wave of aerial signal.In another optional example, the distance between every adjacent two directors 4 differs from one another.In addition, in an optional example, the length along the longitudinal direction of different directors 4 and can be identical along the width of horizontal direction, also can be different, by specific design, determine.
According to the wide-band high gain orientation class Yagi antenna of the embodiment of the present invention, can also comprise pillar 2, as shown in Figure 1, pillar 2 is located on reflecting plate 1 and is 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, the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means to be contained at least one embodiment of the present invention or example in conjunction with specific features, structure, material or the feature of this embodiment or example description.In this manual, to the schematic statement of above-mentioned term not must for be identical embodiment or example.And, the specific features of description, structure, material or feature can one or more embodiment in office or example in suitable mode combination.In addition, those skilled in the art can carry out combination and combination by the different embodiment that describe in this specification or example.
Although illustrated and described 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, modification, replacement and modification.
Claims (18)
1. a wide-band high gain orientation class Yagi antenna, is characterized in that, comprising:
Reflecting plate;
Antenna element, described antenna element is positioned at described reflecting plate top and edge is vertical spaced apart with described reflecting plate; With
Director, described director is positioned at described antenna element top and along vertical spaced apart with described antenna element, described director is tabular, and each in the first and second longitudinal edges of described director is the zigzag that limits a plurality of tooth portions and a plurality of teeth groove.
2. wide-band high gain orientation class Yagi antenna according to claim 1, is characterized in that, the teeth groove on described the first longitudinal edge is corresponding one by one each other with the teeth groove on described the second longitudinal edge.
3. wide-band high gain orientation class Yagi antenna according to claim 1 and 2, is characterized in that, described teeth groove and described tooth portion are rectangle.
4. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-3, it is characterized in that, described tooth portion is provided with centre bore.
5. wide-band high gain orientation class Yagi antenna according to claim 4, is characterized in that, described centre bore is rectangle.
6. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-5, it is characterized in that, the height in the horizontal of a part of tooth portion in a plurality of described tooth portion is greater than all the other tooth portion height in the horizontal.
7. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-6, it is characterized in that, the degree of depth in the horizontal of a part of teeth groove in a plurality of described teeth groove is greater than all the other teeth groove degree of depth in the horizontal.
8. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-7, it is characterized in that, a part of teeth groove in a plurality of described teeth groove is greater than all the other teeth groove at described width on longitudinally at described width on longitudinally.
9. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-8, it is characterized in that, a part of tooth portion in a plurality of described tooth portion is greater than all the other tooth portions at described width on longitudinally at described width on longitudinally.
10. wide-band high gain orientation class Yagi antenna according to claim 1, it is characterized in that, described teeth groove is longitudinally uniformly distributed along described, and a plurality of described teeth groove are mutually the same and a plurality of described teeth groove degree of depth is in the horizontal mutually the same at described width on longitudinally.
11. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-10, it is characterized in that, described antenna element comprises the first antenna element, described the 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.
12. wide-band high gain orientation class Yagi antennas according to claim 11, is characterized in that, described the first antenna element has longitudinal axis of symmetry and lateral symmetry axis.
13. wide-band high gain orientation class Yagi antennas according to claim 12, it is characterized in that, described antenna element also comprises the second antenna element, and described the second antenna element is connected to first longitudinal side and second longitudinal side of described the first antenna element and is positioned on described lateral symmetry axis.
14. wide-band high gain orientation class Yagi antennas according to claim 11, is characterized in that, the described line of rabbet joint comprises rectangle line of rabbet joint portion and trapezoidal line of rabbet joint portion.
15. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-14, it is characterized in that, described antenna element comprises substrate and is located at the metal level on substrate.
16. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-15, it is characterized in that, described director is a plurality of, and a plurality of described directors are parallel to each other and along being vertically spaced apart from each other.
17. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-16, it is characterized in that, further comprises:
Pillar, described pillar is located on described reflecting plate and is spaced along the longitudinal, and first and second of wherein said antenna element is longitudinally held and is connected with described pillar respectively, and first and second longitudinal ends of described director are connected with described pillar respectively.
18. according to the wide-band high gain orientation class Yagi antenna described in any one in claim 1-17, it is characterized in that, described director is tabular, bending is tabular or curved slab shape.
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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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| 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 true CN103531917A (en) | 2014-01-22 |
| CN103531917B 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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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196068A (en) * | 2016-03-14 | 2017-09-22 | 凯瑟雷恩工厂两合公司 | Dipole shape radiator assemblies |
| WO2023123004A1 (en) * | 2021-12-29 | 2023-07-06 | Boe Technology Group Co., Ltd. | Antenna and electronic apparatus |
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| CN2073173U (en) * | 1990-08-17 | 1991-03-13 | 陈永林 | Saw-tooth combined antenna |
| CN2604008Y (en) * | 2003-01-13 | 2004-02-18 | 赵玉成 | Combined all-channel steering television aerial |
| CN1853308A (en) * | 2003-09-15 | 2006-10-25 | 英特尔公司 | Minitype sector antenna structure |
| JP4147210B2 (en) * | 2004-07-30 | 2008-09-10 | マスプロ電工株式会社 | Yagi / Uda antenna system |
| US20080231539A1 (en) * | 2007-03-22 | 2008-09-25 | Jeong Hyeon Shin | Receiving antenna |
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2013
- 2013-09-12 CN CN201310416458.0A patent/CN103531917B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2073173U (en) * | 1990-08-17 | 1991-03-13 | 陈永林 | Saw-tooth combined antenna |
| CN2604008Y (en) * | 2003-01-13 | 2004-02-18 | 赵玉成 | Combined all-channel steering television aerial |
| CN1853308A (en) * | 2003-09-15 | 2006-10-25 | 英特尔公司 | Minitype sector antenna structure |
| JP4147210B2 (en) * | 2004-07-30 | 2008-09-10 | マスプロ電工株式会社 | Yagi / Uda antenna system |
| US20080231539A1 (en) * | 2007-03-22 | 2008-09-25 | Jeong Hyeon Shin | Receiving antenna |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107196068A (en) * | 2016-03-14 | 2017-09-22 | 凯瑟雷恩工厂两合公司 | Dipole shape radiator assemblies |
| CN107196068B (en) * | 2016-03-14 | 2021-05-28 | 瑞典爱立信有限公司 | Dipole radiator device |
| WO2023123004A1 (en) * | 2021-12-29 | 2023-07-06 | Boe Technology Group Co., Ltd. | Antenna and electronic apparatus |
| US12034234B2 (en) | 2021-12-29 | 2024-07-09 | Beijing Boe Technology Development Co., Ltd. | Antenna and electronic apparatus |
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|---|---|
| CN103531917B (en) | 2015-09-09 |
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Effective date of registration: 20210219 Address after: 518126 Kaida toy factory, 564 Zhoushi Road, Jiuwei community, Hangcheng street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: GENERAL TEST SYSTEMS Inc. Address before: 518107 1605, 1606, 1607, 1608, block B, building 4, Huaqiang Creative Industry Park, Guangming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen honganshi Technology Development Co.,Ltd. |