CN100511836C - Antenna structure suitable for multifrequency system operation - Google Patents
Antenna structure suitable for multifrequency system operation Download PDFInfo
- Publication number
- CN100511836C CN100511836C CNB2005100678576A CN200510067857A CN100511836C CN 100511836 C CN100511836 C CN 100511836C CN B2005100678576 A CNB2005100678576 A CN B2005100678576A CN 200510067857 A CN200510067857 A CN 200510067857A CN 100511836 C CN100511836 C CN 100511836C
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- China
- Prior art keywords
- metal wires
- radiation metal
- antenna
- antenna structure
- feed
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
Abstract
This invention relates to an antenna structure suitable for the operation of multifrequency system including at least a first and a second radiation metal wire transferring signals from a same feed point and a ground plane, among which, these metal wires are jogged on a CB with slotted eyes to avoid complexity of the antenna. At the same time, the length of the first wire is longer than that of the second to be used in low frequency operation band while the second wire is used in high frequency operation band, apart from being fixed by the slotted eyes of the CB, the metal wires can curve according to space they place at to avoid harm to the antenna structure.
Description
Technical field:
The invention relates to a kind of antenna structure that is applicable to multifrequency system operation, particularly have the chimeric stationary antenna structure of circuit board of slotted eye, more comprise radiation metal wires and cooperate the suitable bending of space outerpace about a kind of utilization.
Background technology:
In recent years, because the convenience of wireless telecommunications has brought up the flourish of wireless telecommunications industries, especially wireless phone is universal, has almost become the necessity of modern's life.In short several years, the population ratio that mobile phone is used in Taiwan rises sharply to 50% from 6.5%, and the demand of whole world mobile phone will reach more than 500,000,000 every year.Antenna in the device of wireless telecommunications is to transmit and receive the data of wireless system at the wireless telecommunications role.General common mobile phone or personal digital assistant (the PersonalDigital Assistant of being applied to, PDA) common Antenna Design is conventional planar antenna or simple unipole antenna (monopole antenna), more based on exposed helical monopole antenna (helical antenna).But flat plane antenna is owing to be to be support with a base with dielectric constant, this material not only can improve the antenna cost, and also increased its complexity at antenna structure, moreover because the characteristic relation of flat plane antenna, it is neither as the unipole antenna characteristic that its radiation frequency range and frequency are penetrated efficient.And unipole antenna (monopoleantenna) mainly is to get the characteristic that it has omni-directional radiation pattern (omni-directionalradiation pattern), the omni-directional radiation pattern of prior art unipole antenna as shown in Figure 1, yet the conventional helical unipole antenna is then owing to be to expose framework, therefore on attractive in appearance, dislike not enough slightly, and on falling to falling, damage easily.
See also Fig. 2, it is a schematic diagram according to a known embodiment helical monopole antenna.Wherein, helical monopole antenna comprises a helical antenna 21, a load point 22 and a feed-in line 23, and it is used for the reception and the emission of single frequency band.Simultaneously, feed-in line 23 provides a load point 22 to be connected on the helical antenna 21, and this is the conventional helical unipole antenna also because of it exposes to the open air outside, and subjects to lose, destroy shortcomings such as attractive in appearance.Hereat, in development, also develop unipole antenna is fitted into casing at the improvement of this shortcoming, attractive in appearance to avoid losing, destroy.
Wherein, opening gradually more along with frequency zone, caused wireless communication apparatus and received in the integration of different frequency section, thereby a development aspect of antenna is just at the wireless signal of integrating reception different frequency section, this type of integrated development promptly belongs to the application of wide frequency antenna.Thereby, on the field of wireless telecommunications, there is the wide frequency antenna design that the unipole antenna of two different frequency ranges is integrated to occur then, further modular product is also proposed to support on the market as antenna base (antenna carrier).
See also the known embodiment of a foundation shown in Figure 3 and have the wide frequency antenna that antenna base supports.Wherein, the wide frequency antenna of this tool antenna base support comprises an antenna base 31, a load point 32, a low frequency metal radiation 33 and an electric metal radiation 34.Antenna base 31 is to comprise the wide frequency antenna of low frequency metal radiation 33 and high frequency radiation line 34 in order to support, and provides a load point 32 to be connected on the wide frequency antenna, and antenna base 31 still can be used for other elements of ccontaining communication device.But this measure not only significantly increases the complexity of wireless communication apparatus, has also improved production cost and volume production degree of difficulty.
So far, a kind of antenna structure that is applicable to multifrequency system operation is proposed, so that it avoids the complexity of antenna structure and reduces cost promoting the ability of volume production, real in to need one of research and development problem of processing badly, be not to use the person eagerly to look forward to and the place of inventor's effort yet.
Summary of the invention:
The inventor integrates The Research of Relevant Technology and the many practical experience of Related product development and maintenance based on being engaged in communication system for many years, be the defective and the improvement idea thereof of think of and known techniques, rely on its professional knowledge, research and design and special topic discussion in many ways, work out a kind of antenna structure that is applicable to multifrequency system operation by this, can be used as the solution foundation of prior art problem.
A kind of antenna structure that is applicable to multifrequency system operation provided by the invention, this antenna structure comprises a substrate at least, has and has a slotted eye at least; One load point is located on this substrate, and this load point is provided by a feed-in line of being located on this substrate; And at least one radiation metal wires, being embedded in this slotted eye, this radiation metal wires has a feed side and is connected to load point, and except that this feed side and be embedded in the contact point of this slotted eye, this radiation metal wires and this substrate space are provided with.The feed-in line of antenna structure is a feed-in coaxial transmission line in addition, has an outer earthing conductor, and this skin earthing conductor connects a ground plane.Wherein, this substrate can be the circuit board of the combination of an Any shape, and this slotted eye is arranged at substrate edges or substrate edges scope in addition.Simultaneously, radiation metal wires has one first radiation metal wires and one second radiation metal wires, and the feed side of first radiation metal wires is connected to load point, and second radiation metal wires has an initiating terminal and is connected in the place of first radiation metal wires near the feed side, wherein, except the feed side and be embedded in the contact point of slotted eye, radiation metal wires is not with this substrate contacts, and according to formed spatial extension of housing of living in and free bend.In addition, the length of first radiation metal wires is greater than this second radiation metal wires, and has the length that is applicable to that one first operation frequency range is consistent, and the length of second radiation metal wires is less than this first radiation metal wires, and has the length that is applicable to that one second operation frequency range is consistent, and first operation frequency range can be the low frequency operation frequency range, and second operation frequency range can be the high-frequency operation frequency range.
Description of drawings:
The omni-directional radiation pattern of the unipole antenna of prior art shown in Figure 1;
Fig. 2 is a schematic diagram according to a known embodiment helical monopole antenna;
Fig. 3 shows a wide frequency antenna that antenna base supports that has according to a known embodiment;
Fig. 4 is the end view that shows the antenna structure that is applicable to multifrequency system operation of preferred embodiment of the present invention;
Fig. 5 is the vertical view that shows the antenna structure that is applicable to multifrequency system operation of preferred embodiment of the present invention;
Fig. 6 is the return loss of wide frequency antenna in the preferred embodiment and the experimental amount mapping of voltage standing wave(VSW) value;
Fig. 7 shows the antenna structure view that is applicable to multifrequency system operation of another preferred embodiment of the present invention;
Fig. 8 is the antenna structure view that is applicable to multifrequency system operation that shows a preferred embodiment more of the present invention.
The figure number explanation:
Label 21: helical antenna; Label 22: load point; Label 23: feed-in line;
Label 31: antenna base; Label 32: load point;
Label 33: low frequency metal radiation; Label 34: electric metal radiation;
Label 41: circuit board; Label 411: slotted eye;
42: the first radiation metal wires of label; 43: the second radiation metal wires of label;
Label 44: feed-in coaxial transmission line; Label 441: load point;
Label 45: ground plane; Label 61～64: point;
71: the first radiation metal wires of label; 81: the first radiation metal wires of label;
82: the second radiation metal wires of label; Label 83: slotted eye;
Label 84: housing.
Embodiment:
Now further understand and understanding for the auditor is had technical characterictic of the present invention and the effect reached, hereinafter sincerely provide preferred embodiment and correlative type to think the usefulness of assisting a ruler in governing a country, and with detailed explanation as the back:
At first, please refer to Fig. 4 and Fig. 5, it is to show that preferred embodiment of the present invention is applicable to the end view and the vertical view of the antenna structure of multifrequency system operation.The antenna structure that is applicable to multifrequency system operation comprises circuit board 41, first radiation metal wires 42, second radiation metal wires 43, feed-in coaxial transmission line 44 and ground plane 45.Wherein circuit board 41 edges have at least one slotted eye 411 in order to chimeric first radiation metal wires 42, and first radiation metal wires 42 is connected to the load point 441 that feed-in coaxial transmission line 44 is provided, and feed-in coaxial transmission line 44 is formed by the feed-in line coats outer earthing conductor, simultaneously, 43 of second radiation metal wires are connected to first radiation metal wires 42 near load point 441 parts, in addition, a ground plane 45 is set on circuit board 41.As shown in Figure 5, first radiation metal wires 42 and second radiation metal wires 43 except that chimeric with slotted eye 411 and with all various boards 41 contacts load point 441 is connected, and two radiation metal wires, 42,43 ends extend to the same side.Wherein, first radiation metal wires 42 is in order to receiving and dispatching the low frequency operation frequency range of first operation frequency range, 824-960MHz for example, and second radiation metal wires 43 is in order to receive and dispatch the high-frequency operation frequency range of this second operation frequency range, for example 1710-2170MHz.Simultaneously, Fig. 6 return loss of wide frequency antenna and experimental amount mapping of voltage standing wave(VSW) value among the embodiment for this reason.Wherein, point 61 to the line segment of point 62 is that low frequency operation frequency range 824MHz is to 960MHz, point 63 to the line segment of point 64 is that high-frequency operation frequency range 1710MHz is to 2170MHz, therefore the antenna frequency range can contain GSM four frequency and WCDMA frequency range (824-960,1710-2170MHz) and the wideer 460MHz that reaches of high-frequency band, observe and by return loss and in low frequency and high-frequency operation frequency range, all to have good aerial radiation gain.
Show that with further reference to Fig. 7 another preferred embodiment of the present invention is applicable to the antenna structure view of multifrequency system operation, wherein this first radiation metal wires 71 is to extend with the bearing of trend that is different from Fig. 4, Fig. 5, with the end of the end that forms first radiation metal wires 71 and second radiation metal wires 43 respectively at homonymy not.
In addition, as Fig. 8 is to show that a preferred embodiment more of the present invention is applicable to the antenna structure view of multifrequency system operation, wherein provide housing 84 in order in circuit board 41 is placed in a space, and have at least a slotted eye 83 to be arranged in the circuit board 41 for fixing first radiation metal wires 81, simultaneously, first radiation metal wires 81 and second radiation metal wires 82 are to extend according to the space that housing 84 is provided.
From the above, because the present invention is applicable to the antenna structure of multifrequency system operation, its antenna structure is to be framework with the unipole antenna, and be hidden in casing inside, therefore the advantage that has possessed unipole antenna wideband and omni-directional radiation efficiency characteristic, in appearance and overcome the shortcoming that exposes, and antenna structure of the present invention in 2170MHz, have good aerial radiation gain to 960MHz and high-frequency operation frequency range 1710MHz at low frequency operation frequency range 824MHz.On mechanism arrangement, antenna of the present invention is a main body against a radiation metal wires only on framework, utilize the slotted eye on the circuit board to strengthen fixed antenna again, make its complexity and this antenna of significantly lowering on the antenna modules framework use the metal wire bending to form, there is no and add antenna support (antenna carrier), significantly promoted the ability of volume production, also can satisfy the suitability of any housing more and reduce cost.
The above, it only is preferred embodiment of the present invention, be not to be used for limiting scope of the invention process, all variation and modification according to the described shape of the present patent application claim, structure, feature and principle etc. all should be contained in the claim of the present invention.
Claims (9)
1, a kind of antenna structure comprises at least:
One substrate has at least one slotted eye;
One load point is located on this substrate, and this load point is provided by a feed-in line of being located on this substrate; And
At least one radiation metal wires is embedded in this slotted eye, and this radiation metal wires has a feed side and connects this load point, and except that this feed side and be embedded in the contact point of this slotted eye, this radiation metal wires and this substrate space are provided with;
Wherein, this radiation metal wires has one first radiation metal wires and one second radiation metal wires, and this first radiation metal wires is applicable to a low frequency operation frequency range, and has the length that is consistent, and length is greater than this second radiation metal wires.
2, antenna structure as claimed in claim 1,
It is characterized in that,This feed-in line is a feed-in coaxial transmission line, has an outer earthing conductor, and this skin earthing conductor connects a ground plane.
3, antenna structure as claimed in claim 1,
It is characterized in that,The bearing of trend of this radiation metal wires is according to free bend in the space of living in.
4, antenna structure as claimed in claim 3,
It is characterized in that,This space is formed by a housing.
5, a kind of antenna structure comprises at least:
One substrate has at least one slotted eye;
One load point is located on this substrate, and this load point is provided by a feed-in line of being located on this substrate; And
At least one radiation metal wires is embedded in this slotted eye, and this radiation metal wires has a feed side and connects this load point, and except that this feed side and be embedded in the contact point of this slotted eye, this radiation metal wires and this substrate space are provided with;
Wherein, this radiation metal wires has one first radiation metal wires and one second radiation metal wires, and this second radiation metal wires is applicable to a high-frequency operation frequency range, and has the length that is consistent, and length is less than this first radiation metal wires.
6, antenna structure as claimed in claim 5,
It is characterized in that,This feed-in line is a feed-in coaxial transmission line, has an outer earthing conductor, and this skin earthing conductor connects a ground plane.
7, antenna structure as claimed in claim 5,
It is characterized in that,The bearing of trend of this radiation metal wires is according to free bend in the space of living in.
8, antenna structure as claimed in claim 7,
It is characterized in that,This space is formed by a housing.
9, as claim 1 or 5 described antenna structures,
It is characterized in that,This substrate is a circuit board.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100678576A CN100511836C (en) | 2005-04-29 | 2005-04-29 | Antenna structure suitable for multifrequency system operation |
| EP05018024A EP1717899A1 (en) | 2005-04-29 | 2005-08-19 | Antenna structure for operating multi-band system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100678576A CN100511836C (en) | 2005-04-29 | 2005-04-29 | Antenna structure suitable for multifrequency system operation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1694305A CN1694305A (en) | 2005-11-09 |
| CN100511836C true CN100511836C (en) | 2009-07-08 |
Family
ID=35353164
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100678576A Active CN100511836C (en) | 2005-04-29 | 2005-04-29 | Antenna structure suitable for multifrequency system operation |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP1717899A1 (en) |
| CN (1) | CN100511836C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI625000B (en) * | 2013-08-29 | 2018-05-21 | 富智康（香港）有限公司 | Antenna structure and wireless communication device using same |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106058444B (en) * | 2016-07-20 | 2019-06-04 | 北京小鸟看看科技有限公司 | A kind of two-way antenna and a kind of wireless communication device of virtual reality system |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000059120A (en) * | 1998-08-12 | 2000-02-25 | Sony Corp | Antenna system and portable radio device |
| US6421015B1 (en) * | 2001-01-02 | 2002-07-16 | Auden Techno Corp | Planar helix antenna with two frequencies |
| US6459413B1 (en) * | 2001-01-10 | 2002-10-01 | Industrial Technology Research Institute | Multi-frequency band antenna |
| DE60200738T2 (en) * | 2001-05-25 | 2005-07-21 | Nokia Corp. | Antenna for mobile phone |
-
2005
- 2005-04-29 CN CNB2005100678576A patent/CN100511836C/en active Active
- 2005-08-19 EP EP05018024A patent/EP1717899A1/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI625000B (en) * | 2013-08-29 | 2018-05-21 | 富智康（香港）有限公司 | Antenna structure and wireless communication device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1694305A (en) | 2005-11-09 |
| EP1717899A1 (en) | 2006-11-02 |
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