CN104681993A - Antenna device - Google Patents
Antenna device Download PDFInfo
- Publication number
- CN104681993A CN104681993A CN201310615992.4A CN201310615992A CN104681993A CN 104681993 A CN104681993 A CN 104681993A CN 201310615992 A CN201310615992 A CN 201310615992A CN 104681993 A CN104681993 A CN 104681993A
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- Prior art keywords
- antenna
- radiation fin
- antenna assembly
- ground plane
- extension
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- 230000005855 radiation Effects 0.000 claims abstract description 66
- 230000000694 effects Effects 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims 7
- 238000000429 assembly Methods 0.000 claims 7
- 238000004891 communication Methods 0.000 abstract description 16
- 238000010586 diagram Methods 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- PEZNEXFPRSOYPL-UHFFFAOYSA-N (bis(trifluoroacetoxy)iodo)benzene Chemical compound FC(F)(F)C(=O)OI(OC(=O)C(F)(F)F)C1=CC=CC=C1 PEZNEXFPRSOYPL-UHFFFAOYSA-N 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 230000005404 monopole Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Waveguide Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses an antenna device. The antenna device comprises a radiation sheet, a ground layer, a dielectric layer and a passive antenna, wherein the dielectric layer is configured between the radiation sheet and the ground layer; the radiation sheet is in parallel with the ground layer; the passive antenna is connected with the ground layer and perpendicular to the ground layer. According to the antenna device, the passive antenna is arranged on the ground layer; a normal direction of the passive antenna is in parallel with an extending direction of the ground layer; therefore, a radiation field pattern of the antenna is improved, and communication quality of electronic products applying the antenna device is improved.
Description
[technical field]
The invention relates to a kind of antenna assembly, and relate to a kind of antenna assembly improving radiation pattern especially.
[background technology]
Along with progressing greatly of communication science and technology, wireless communication technique also day by day increases in the application of sci-tech product, the communication product of being correlated with is becomed more diverse, similarly be mobile phone (Cell Phone), there is personal digital assistant (the Personal Digital Assistant of wireless Internet access, PDA), global positioning system (Global Positioning System, GPS) etc., be all the category of wireless telecommunications.And the functional requirement of consumer to communication product is in recent years more and more higher, the communication product so many with different designs and function is constantly suggested, and has the popular trend that the Computer Network Products of wireless telecommunications is recent especially.
With regard to radio communication product, the upper important key of its design is the design of antenna, because the whether good of Antenna Design quality will affect the quality of communication.For example, antenna package is containing non-built-in and built-in two kinds.Non-built-in antenna package is containing unipole antenna (monopole antenna), dipole antenna (dipole antenna) and helical antenna (helix antenna) etc., and built-in antenna package is containing planar inverted F-shape antenna (Planar Inverted F Antenna, PIFA) and microstrip-type antennas (microstrip antenna), wherein planar inverted F-shape antenna is widely used on communication product especially.
Traditional wireless communication technique mainly utilizes plate aerial (Patch Antenna) to reach wide radiation pattern (Broadside Radiation Pattern).But cannot be applied to because plate aerial requisite space is excessive on miniaturized communication product, therefore planar inverted F-shape antenna generally can be utilized to reduce the size shared by antenna, the radiation pattern of right planar inverted F-shape antenna is vulnerable to the impact of surrounding objects, and then the distribution situation of its radiation pattern is restricted.
[summary of the invention]
The invention provides a kind of antenna assembly, the radiation pattern of antenna can be improved.
Antenna assembly of the present invention, comprises radiation fin, ground plane, dielectric layer and passive antenna.Wherein radiation fin is in order to receive or emitting radio frequency signal.Ground plane, in order to ground connection.Dielectric layer is configured between radiation fin and ground plane, and wherein radiation fin and ground plane are parallel to each other.Passive antenna connects ground plane, and the bearing of trend of passive antenna is parallel to the normal direction of ground plane.
In one embodiment of this invention, above-mentioned radiation fin also comprises feeding portion and short.Above-mentioned load point is positioned on feeding portion, and feeding portion has a load point, and radiation fin is electrically connected feed-in line through feeding portion.Short is electrically connected ground plane.
In one embodiment of this invention, above-mentioned radiation fin has fluting, and makes radiation fin form a C type pattern, and the opening of C type pattern is adjacent to feeding portion and short.
In one embodiment of this invention, above-mentioned passive antenna is arranged at by the opening of C type pattern.
In one embodiment of this invention, above-mentioned C type pattern has major axis and minor axis, and the opening of C type pattern is arranged near minor axis, and the position of the side of close feeding portion and short.
In one embodiment of this invention, the length of above-mentioned C type pattern transmit by antenna assembly or receive frequency wavelength length 1/4th multiple.
In one embodiment of this invention, above-mentioned antenna assembly is planar inverted F-shape antenna.
In one embodiment of this invention, above-mentioned radiation fin has a load point.
In one embodiment of this invention, the geometry of above-mentioned radiation fin comprises rectangle, triangle, circle and oval.
In one embodiment of this invention, above-mentioned passive antenna is arranged at outside the view field of radiation fin on ground plane.
In one embodiment of this invention, above-mentioned antenna assembly is plate aerial.
In one embodiment of this invention, the length of above-mentioned passive antenna transmit by antenna assembly or receive frequency wavelength length 1/4th multiple.
In one embodiment of this invention, above-mentioned ground plane is positioned on printed circuit board (PCB).
Compared to prior art, the present invention is parallel to the passive antenna of the normal direction of ground plane by arranging bearing of trend on ground plane, to improve the radiation pattern of antenna, promotes the communication quality of the electronic product of application antenna assembly.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate institute's accompanying drawings to be described in detail below.
[accompanying drawing explanation]
Fig. 1 illustrates the schematic side view of the antenna assembly into one embodiment of the invention.
Fig. 2 illustrates the schematic side view of the antenna assembly into another embodiment of the present invention.
Fig. 3 illustrates the stravismus schematic diagram of the antenna assembly into Fig. 2 embodiment.
Fig. 4,5 illustrates the schematic diagram arranging the notebook computer of antenna assembly for the embodiment of the present invention.
Fig. 6 illustrates the stravismus schematic diagram of the antenna assembly into another embodiment of the present invention.
Fig. 7 illustrates the stravismus schematic diagram of the antenna assembly into another embodiment of the present invention.
[embodiment]
About addressing other technology contents, feature and effect before the present invention, in the detailed description of following cooperation with reference to a graphic preferred embodiment, can clearly present.The direction term mentioned in following examples such as: upper and lower, left and right, front or rear etc., is only the direction with reference to annexed drawings.Therefore, the direction term of use is used to illustrate and is not used for limiting the present invention.
Fig. 1 illustrates the schematic side view of the antenna assembly into one embodiment of the invention.Please refer to Fig. 1, antenna assembly 100 comprises radiation fin 102, ground plane 104, dielectric layer 106 and passive antenna 108.Its dielectric layer 106 is configured between radiation fin 102 and ground plane 104, and radiation fin 102 and ground plane 104 are parallel to each other.Radiation fin 102 can by the tablet of metal on sheet metal or plated surface, and it is in order to received RF signal or launch a radiofrequency signal.Ground plane 104 can be such as the ground plane on a grounded metal sheet or printed circuit board (PCB), and it is in order to ground connection.
In addition, passive antenna 108 is connected with ground plane 104, passive antenna 108 is arranged at outside the view field of radiation fin 102 on ground plane 104, and the bearing of trend of passive antenna 108 is parallel to the normal direction of ground plane 104, wherein the length of passive antenna 108 wavelength length that is antenna assembly 100 transmission or receive frequency 1/4th multiple.So by the passive antenna 108 perpendicular to ground plane 104 is configured on ground plane 104, the radiation pattern that antenna assembly 100 can be made to produce also is concentrated upward, even if the signal of also antenna assembly 100 radiation is also as one man towards the bearing of trend of passive antenna 108, thus promote the communication quality of the electronic product of application antenna assembly 100.
Fig. 2 illustrates the schematic side view of the antenna assembly into another embodiment of the present invention.Fig. 3 illustrates the stravismus schematic diagram of the antenna assembly into Fig. 2 embodiment.As shown in Figure 2 and Figure 3, in the present embodiment, antenna assembly 200 is a plate aerial (patch antenna), and radiation fin 202 is the tablet of metal on the sheet metal of a rectangle or plated surface, radiation fin 202 has a load point FI.Load point FI can be connected to one end of a feed-in line (not illustrating), the other end of feed-in line is then connected to signal source (not illustrating), signal source like this just can pass through feed-in line and signal is fed into load point FI, and then is sent in electromagnetic mode by signal through radiation fin 202.When feed-in line is a coaxial cable (coaxial cable), its one end as the core conductor of Signal transmissions can be connected to load point FI, and its one end as the peripheral conductors of signal shielding then can be connected to ground plane 104.
It should be noted that, though the present embodiment is described for the radiation fin 202 of rectangle, so in fact the shape of radiation fin 202 is not as limit, in some embodiments, radiation fin 202 also can be other geometric figure, such as rectangle, triangle, circle and oval ... etc..In addition, the position of above-mentioned load point FI is also not limited to position as shown in Figure 2, and designer can change the position of load point FI according to the demand of practical application.
In addition, passive antenna 108 is not limited to vertical stratum 104, and passive antenna 108 also can be set to adjustable antenna.Fig. 4,5 illustrates the schematic diagram arranging the notebook computer of antenna assembly for the embodiment of the present invention.Notebook computer 250 in Fig. 4 comprises upper cover 251 and lower cover 252, wherein upper cover 251 has display surface 251A, in the present embodiment, antenna assembly 200 is arranged at upper cover 251, the angle of passive antenna 108 can be depicted as towards z-axis direction as figure adjustment 4, that is the plane bearing of trend of parallel upper cover 251, to obtain better signal transmission.It should be noted that the angle of passive antenna 108 is not as limit, the angle of passive antenna 108 can in the angular range folded by the plane of the normal of upper cover 251 and upper cover 251.Referring again to Fig. 5, when upper cover 251 collapses in lower cover 252, and display surface 251A outwardly time, passive antenna 108 can be subject to notebook computer 250 and be arranged at other shield components of lower cover 252 and ineffective, and reception direction be now radiation fin 202 faced by direction, that is Reng WeizZhou direction, reception direction.
Fig. 6 illustrates the stravismus schematic diagram of the antenna assembly into another embodiment of the present invention.Antenna assembly 200 in Fig. 6 is a planar inverted F-shape antenna (planar inverted F antenna), radiation fin 302 is except having the part that is parallel to each other with ground plane 104, and it also comprises the feeding portion 302A and short 302B that extend to ground plane 104 direction.Wherein short 302B and ground plane 104 are electrically connected, feeding portion 302A has load point FI, it is in order to be connected to feed-in line (not illustrating), to accept the signal from signal source (not illustrating), and conducted on the radiation fin 302 parallel with ground plane 104, and signal is sent in electromagnetic mode.The radiation fin 302 be wherein parallel to each other with ground plane 104 has a fluting OP, and makes the radiation fin 302 be parallel to each other with ground plane 104 present a C type pattern, and the opening of C type pattern is adjacent to feeding portion 302A and short 302B.
As shown in Figure 6, the opening that the C type pattern of radiation fin 302 has major axis X and minor axis Y, C type pattern is near minor axis Y, and near the side of feeding portion 302A and short 302B.In addition, passive antenna 108 is configured at by the opening of C type pattern, and the radiation pattern produced to make antenna assembly 300 is also concentrated upward, and then promotes the communication quality of the electronic product applying antenna assembly 300.Wherein the length of passive antenna 108 wavelength length that is antenna assembly 300 transmission or receive frequency 1/4th multiple, in addition the length (dotted line length as shown in Figure 6) of C type pattern also for antenna assembly 300 transmission or receive frequency wavelength length 1/4th multiple.
It should be noted that, the opening of above-mentioned C type pattern is not limited with the position shown in Fig. 6 embodiment, the opening of C type pattern also can be arranged at diverse location according to practical application situation by designer, and passive antenna 108 is configured at different positions with the difference of the aperture position of C type pattern.In addition, also not the limiting and must have major and minor axis of C type pattern, for example, C type pattern also can be approximately the pie chart case that has opening.
In some embodiments, the pattern of the radiation fin 302 parallel with ground plane 104 even also can not be defined as above-mentioned C type pattern, and it also can by the antenna pattern of designer according to practical application situation design.By arranging the field pattern that the passive antenna 108 perpendicular with ground plane 104 can improve antenna assembly on ground plane 104, making it concentrate upward, and then promoting the communication quality of the electronic product applying antenna assembly.
It should be noted that the execution mode of the passive antenna 108 of said antenna device 200 is only an exemplary embodiment, practical application does not limit passive antenna 108 must completely perpendicular to ground plane 104.For example, Fig. 7 illustrates the stravismus schematic diagram of the antenna assembly into another embodiment of the present invention.Please refer to Fig. 7, with the difference of antenna assembly 200, the antenna assembly 400 of the present embodiment is that passive antenna 108 comprises vertical component effect 108A, the first extension 108B and the second extension 108C, and the total length of passive antenna 108 still for antenna assembly 400 transmission or receive frequency wavelength length 1/4th multiple.Wherein vertical component effect 108A and the first extension 108B is positioned at the first side S1 of radiation fin 202, and one end of vertical component effect 108A connects ground plane 104, and the bearing of trend of vertical component effect 108A is parallel to the normal direction of ground plane 104.One end of first extension 108B connects the other end of vertical component effect 108A, first side S1 of the bearing of trend parallel radiation sheet 202 of the first extension 108B and ground plane 104, wherein the angle of the plane of the plane that forms of the first extension 108B and the first side S1 and radiation fin 202 is between 15 ° ~ 80 °, and the horizontal range one first length t1 between the first side of the first extension 108B and radiation fin 202, the scope of this first length t1 is distributed in 1 to 3mm in fact.In addition, second extension 108C connects the other end of the first extension 108B, second side S2 of the bearing of trend parallel radiation sheet 202 of the second extension 108C, and the horizontal range between the second side S2 of the second extension 108C and radiation fin 202 is one second length t2, the scope of this second length t2 is distributed in 1 to 3mm in fact.The total length of vertical component effect 108A, the first extension 108B and the second extension 108C is more than or equal to 1/8th of the wavelength length of antenna assembly 300 transmission or receive frequency in addition.Again, in some embodiments, the shape of the first extension 108B and the second extension 108C is not limited with the present embodiment.First extension 108B and the second extension 108C also can be other shape and extends into directly over parallel radiation sheet 202, to revise the radiation pattern of antenna assembly 400 in some embodiments.
In sum, the present invention is parallel to the passive antenna of the normal direction of ground plane by arranging bearing of trend on ground plane, to improve the radiation pattern of antenna, promotes the communication quality of the electronic product of application antenna assembly.
Claims (17)
1. an antenna assembly, is characterized in that, described device comprises:
One radiation fin, in order to receive or to launch a radiofrequency signal;
One ground plane, in order to ground connection;
One dielectric layer, is configured between this radiation fin and this ground plane, and wherein this radiation fin and this ground plane are parallel to each other;
One passive antenna, connects this ground plane, and the bearing of trend of this passive antenna is parallel to the normal direction of this ground plane.
2. antenna assembly according to claim 1, is characterized in that, described radiation fin also comprises:
One feeding portion, has a load point, and this radiation fin is electrically connected a feed-in line through this feeding portion;
One short, is electrically connected this ground plane.
3. antenna assembly according to claim 2, is characterized in that, this radiation fin has a fluting, and makes this radiation fin form a C type pattern, and the opening of this C type pattern is adjacent to this feeding portion and this short.
4. antenna assembly according to claim 3, is characterized in that, this passive antenna is arranged at by the opening of this C type pattern.
5. antenna assembly according to claim 3, is characterized in that, this C type pattern has a major axis and a minor axis, and the opening of this C type pattern is arranged near this minor axis, and the position of the side of this feeding portion close and this short.
6. antenna assembly according to claim 3, is characterized in that, the length of this C type pattern transmit by this antenna assembly or receive frequency wavelength length 1/4th multiple.
7. antenna assembly according to claim 2, is characterized in that, this antenna assembly is planar inverted F-shape antenna.
8. antenna assembly according to claim 1, is characterized in that, this radiation fin has a load point.
9. antenna assembly according to claim 1, is characterized in that, the geometry of this radiation fin comprises rectangle, triangle, circle and oval.
10. antenna assembly according to claim 9, is characterized in that, this passive antenna is arranged at outside the view field of radiation fin on this ground plane.
11. antenna assemblies according to claim 9, is characterized in that, wherein this antenna assembly is plate aerial.
12. antenna assemblies according to claim 1, is characterized in that, the length of this passive antenna transmit by this antenna assembly or receive frequency wavelength length 1/4th multiple.
13. antenna assemblies according to claim 1, is characterized in that, this ground plane is positioned on a printed circuit board (PCB) or a grounded metal sheet.
14. antenna assemblies according to claim 1, is characterized in that, this passive antenna also comprises:
One vertical component effect, its one end connects this ground plane, and the bearing of trend of this vertical component effect is parallel to the normal direction of this ground plane;
One first extension, its one end connects the other end of this vertical component effect, the first side of bearing of trend this radiation fin parallel of this first extension and this ground plane, and the horizontal range between this first extension and the first side of this radiation fin is one first length; And
One second extension, connects the other end of this first extension, the second side of bearing of trend this radiation fin parallel of this second extension, and horizontal range one second length between this second extension and the second side of this radiation fin.
15. antenna assemblies according to claim 14, is characterized in that, the scope of this first length is distributed in 1 to 3 millimeter in fact.
16. antenna assemblies according to claim 14, is characterized in that, the scope of this second length is distributed in 1 to 3 millimeter in fact.
17. antenna assemblies according to claim 14, is characterized in that, the total length of this vertical component effect, this first extension and this second extension be more than or equal to antenna assembly transmit or receive frequency wavelength length 1/8th.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615992.4A CN104681993B (en) | 2013-11-27 | 2013-11-27 | Antenna assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615992.4A CN104681993B (en) | 2013-11-27 | 2013-11-27 | Antenna assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104681993A true CN104681993A (en) | 2015-06-03 |
| CN104681993B CN104681993B (en) | 2018-04-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310615992.4A Expired - Fee Related CN104681993B (en) | 2013-11-27 | 2013-11-27 | Antenna assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104681993B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111344899A (en) * | 2017-11-06 | 2020-06-26 | 东友精细化工有限公司 | Film antenna and display device comprising same |
| CN111357153A (en) * | 2017-11-06 | 2020-06-30 | 东友精细化工有限公司 | Film antenna and display device comprising same |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US20050275596A1 (en) * | 2004-06-14 | 2005-12-15 | Nec Corporation | Antenna device and portable radio terminal |
| CN1886863A (en) * | 2003-10-20 | 2006-12-27 | Lk产品有限公司 | Internal multiband antenna |
| TW200805777A (en) * | 2006-07-14 | 2008-01-16 | Advanced Connectek Inc | Integrated multi-band antenna device with wide band function |
| CN101208825A (en) * | 2005-06-28 | 2008-06-25 | 脉冲芬兰有限公司 | Internal multiband antenna |
| CN101361282A (en) * | 2006-02-08 | 2009-02-04 | 香港应用科技研究院有限公司 | Systems and methods for using parasitic elements for controlling antenna resonances |
| CN201937009U (en) * | 2010-11-25 | 2011-08-17 | 速码波科技股份有限公司 | Broadband inverted F-shaped antenna |
-
2013
- 2013-11-27 CN CN201310615992.4A patent/CN104681993B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1886863A (en) * | 2003-10-20 | 2006-12-27 | Lk产品有限公司 | Internal multiband antenna |
| US20050275596A1 (en) * | 2004-06-14 | 2005-12-15 | Nec Corporation | Antenna device and portable radio terminal |
| CN101208825A (en) * | 2005-06-28 | 2008-06-25 | 脉冲芬兰有限公司 | Internal multiband antenna |
| CN101361282A (en) * | 2006-02-08 | 2009-02-04 | 香港应用科技研究院有限公司 | Systems and methods for using parasitic elements for controlling antenna resonances |
| TW200805777A (en) * | 2006-07-14 | 2008-01-16 | Advanced Connectek Inc | Integrated multi-band antenna device with wide band function |
| CN201937009U (en) * | 2010-11-25 | 2011-08-17 | 速码波科技股份有限公司 | Broadband inverted F-shaped antenna |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111344899A (en) * | 2017-11-06 | 2020-06-26 | 东友精细化工有限公司 | Film antenna and display device comprising same |
| CN111357153A (en) * | 2017-11-06 | 2020-06-30 | 东友精细化工有限公司 | Film antenna and display device comprising same |
| US11276917B2 (en) | 2017-11-06 | 2022-03-15 | Dongwoo Fine-Chem Co., Ltd. | Film antenna and display device including the same |
| US11296401B2 (en) | 2017-11-06 | 2022-04-05 | Dongwoo Fine-Chem Co., Ltd. | Film antenna and display device including the same |
| CN111344899B (en) * | 2017-11-06 | 2022-08-30 | 东友精细化工有限公司 | Film antenna and display device comprising same |
| CN111357153B (en) * | 2017-11-06 | 2023-01-10 | 东友精细化工有限公司 | Film antenna and display device comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104681993B (en) | 2018-04-20 |
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Granted publication date: 20180420 |