CN101222083A - Plane type antenna apparatus - Google Patents
Plane type antenna apparatus Download PDFInfo
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- CN101222083A CN101222083A CNA2007100008111A CN200710000811A CN101222083A CN 101222083 A CN101222083 A CN 101222083A CN A2007100008111 A CNA2007100008111 A CN A2007100008111A CN 200710000811 A CN200710000811 A CN 200710000811A CN 101222083 A CN101222083 A CN 101222083A
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- antenna device
- plane antenna
- bending
- sheet metal
- access area
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Abstract
The present invention discloses a plane type antenna device. A monopolar metal sheet and a grounding area formed by a metal material are respectively arranged on the surface of a dielectric layer; the metal sheet is additionally connected with at least one bent type metal line segment; the grounding area is not electrically connected with the metal sheet and does not overlap the bent type metal line segment. The tail end of the bent type metal line segment is a feed-in point of a signal transmission conductor; electronic signals are transmitted to the current of the metal sheet via the feed-in point so as to prolong the path of the current, so as to satisfy the resonance length needed by the operation frequency band of the antenna and then achieve the effect of reducing the entire size of the antenna.
Description
Technical field
The present invention relates to a kind of antenna assembly of plane formula, particularly relate to the antenna of a kind of receive frequency in 470MHz-870MHz (but being not limited thereto) scope, this device is each parts that antenna is set on a dielectric layer, can be applied to receive wireless digital TV-set transmission standard DVB, ATSC, ISDB system.
Background technology
The monopole antenna device of known technology, the frequency range of operation is between the antenna of 470MHz-870MHz (but being not limited thereto), its length component of mainly serving as radiation function should be λ/4 (λ is an electromagnetic wavelength) of the centre frequency of operational frequency bands, if adopt two-dimension plane structure, must take into account again and reach the operating characteristic that satisfies broad frequency acceptance band like this, then the antenna assembly of serving as radiation effect should possess broader area, to satisfy the required bandwidth resonant length of electric current; If adopt three-D space structure, except radiation assembly is reduced height dimension with flexible or the mode of pitch of the laps, not only produce volume, also need a vast ground plane and a radiation assembly to produce reflection effect, and occupied three-dimensional space, obviously do not possessed the little feature of size, also can't be integrated in the receiver that this antenna is suitable for, and be unfavorable for property easy to carry, yet prior art does not disclose concrete means for this problem.
Summary of the invention
The objective of the invention is to address the above problem, a kind of plane antenna device is provided, this device has better space efficiency, also can take into account antenna performance, and be applicable to the operating characteristic of receive frequency range between the broad frequency band of 470MHz-870MHz (but being not limited thereto) also to possess the property adjusted easily in design, because of its size little in light weight, can not only be easy to carry, also possess the characteristic of integrating with receiver or cell phone system height.
In order to achieve the above object, technical scheme provided by the invention is: a kind of plane antenna device includes:
A dielectric layer; Dielectric layer has a first surface and a second surface;
A sheet metal; Sheet metal is arranged on the surface of dielectric layer;
At least one bending-type metal wire sections; One end of bending-type metal wire sections electrically connects described sheet metal, and the other end has a load point;
An access area; The access area is constituted by metal material, is arranged at the surface of dielectric layer;
Wherein, first surface and second surface overlap each other; The access area does not electrically connect with sheet metal, and not overlapping with the bending-type metal wire sections;
Sheet metal and bending-type metal wire sections are arranged at first surface; The access area is arranged at second surface;
First surface and described second surface are for being parallel to each other;
Sheet metal be shaped as rectangle; Or be concave polygon; Or be oval or for semicircle; Or be irregular type;
The peripheral shape of access area is a rectangle; Or be recessed polygonal; Or be irregular type;
Dielectric layer is the FR-4 substrate; Or be Teflon; Be glass fibre or for the pottery; Or be air;
This device can also be provided with a reflector space that metal material constituted; The echo area is arranged on the dielectric layer, the surface different with sheet metal, and insulate fully with the access area;
This device can also be provided with two bending-type metal wire sections; Article two, an end of bending-type metal wire sections connects sheet metal respectively, and the other end joins, and has a common load point in the joint;
This device can also be provided with a signal transmission line and electrically connect described load point; Signal transmission line is a coaxial transmission line; Or be co-plane waveguide; Or be microstrip transmission line;
In addition, sheet metal, bending-type metal wire sections and access area all are arranged at first surface;
The access area is divided into two and places the left and right sides of transmission line respectively.
The operation principle of plane antenna device provided by the invention and beneficial effect: because this device comprises a sheet metal, at least one bending-type metal wire sections and an access area, by on the surface that is arranged at a dielectric layer with the location correlation; One end of this bending-type metal wire sections and this sheet metal electrically connect, the other end has a load point, and this bending-type metal wire sections is not overlapping with the access area, utilize this bending-type metal wire sections of prolongation can make sheet metal can meet the needed current path length of centre frequency of the designed operational frequency bands of antenna, the width of this bending-type metal wire sections is tiny of to reach the effect of the area that reduces integrated antenna, mode by bending, can be dwindled the length of integrated antenna device, and by kenel that changes bending and the position that is connected with sheet metal, the may command antenna assembly is reached design and is gone up needed suitable length or width, has splendid adjusted size adaptability, the optimum operation frequency range of the total length may command antenna by adjusting this bending-type metal wire sections; Electric signal is sent to sheet metal via this load point feed-in electric signal, and reaches radiation effect, and can strengthen the resonance benefit of this antenna operation frequency range to increase area by the width of adjusting sheet metal.
In addition by adjusting the peripheral shape of this access area, make access area central authorities produce depression, and sheet metal, bending-type metal wire sections be arranged among the depression of this access area, make sheet metal more near the access area, also simultaneously dwindle antenna area more, make the integrated antenna size reach the effect of the area of utmost point microminiaturization.
The present invention's energy reduction operation frequency band is between the antenna size of 470MHz-870MHz (but being not limited thereto), and the antenna that still has the broad frequency band operating characteristic, it can not only take into account radiation pattern, and have light weight, little, the portable advantage of volume, also can adjust the area of sheet metal and the length of shape and bending-type metal wire sections easily, and the total length or the overall width that change antenna assembly are done suitable correction to cooperate applied environment or system, have excellent design conformability.
Description of drawings
Fig. 1: be the stereogram of plane antenna device of the present invention;
Fig. 2: be the front view of plane antenna device of the present invention;
Fig. 3: be the rearview of plane antenna device of the present invention;
Fig. 4: be the front view of another embodiment of plane antenna device of the present invention;
Fig. 5: be the rearview of another embodiment of plane antenna device of the present invention;
Fig. 6: be the rearview of another embodiment of plane antenna device of the present invention;
Fig. 7: be the rearview of another embodiment of plane antenna device of the present invention;
Fig. 8: be the front view of the embodiment of the tool two bending-type metal wire sections of plane antenna device of the present invention;
Fig. 9: be the rearview of another embodiment of the tool two bending-type metal wire sections of plane antenna device of the present invention;
Figure 10: be another embodiment front view of plane antenna device of the present invention;
Figure 11: be another embodiment stereogram of plane antenna device of the present invention.
Wherein: the 10-dielectric layer; The 1-sheet metal; 11-bending-type metal wire sections; The 12-load point; The 101-first surface; The 102-second surface; 11a-bending-type metal wire sections; The 2-access area; The peripheral shape of 20-access area; 201-concavity place; The 3-reflector space.
Embodiment
The technology contents of relevant plane antenna device of the present invention and detailed description now cooperate graphic being described as follows:
See also Fig. 1: be the stereogram of plane antenna device preferred embodiment of the present invention, and consult Fig. 2 and Fig. 3 simultaneously: the front view and the rearview that are respectively plane antenna device preferred embodiment of the present invention.As shown in the figure: antenna assembly of the present invention comprises a dielectric layer 10, sheet metal 1 and an access area 2 and a bending-type metal wire sections 11; The material of dielectric layer 10 is one of them of FR-4 substrate, Teflon, glass fibre, pottery or air, first surface 101 of dielectric layer 10 tools and a second surface 102; First surface 101 overlaps each other with second surface 102; This sheet metal 1 is arranged at the first surface 101 of dielectric layer 10, and this access area 2 is arranged at the second surface 102 of dielectric layer 10, and has a peripheral shape 20; Access area 2 is not overlapping with bending-type metal wire sections 11.In this embodiment, the peripheral shape 20 of access area 2 is a rectangle, but also can be recessed polygonal or irregular type; One end of bending-type metal wire sections 11 and sheet metal 1 electrically connect, and the other end has a load point 12, gives FD feed for the signal transfer wire; Bending-type metal wire sections 11 makes this antenna assembly reach the radiation effect of designed reception frequency range in order to prolong the signal communicating path to sheet metal 1.
Transverse width by changing sheet metal 1 to be increasing the resonance benefit that area can be promoted the antenna frequency acceptance band, and can cooperate applied environment to adjust suitable size by the shape that changes sheet metal 1 with the peripheral shape 20 of access area 2; For cooperating the different application environment, the shape of sheet metal 1 can be rectangle, polygon, ellipse, semicircle or irregular type.
Fig. 4 and Fig. 5 are the front view and the rearview of an alternative embodiment of the invention.The embodiment maximum differential that present embodiment and Fig. 1 to Fig. 3 provide is by changing the peripheral shape 20 of access area 2, can make access area 2 form a concavity place 201, and bending-type metal wire sections 11 is arranged among the concavity place 201 of this access area 2, make sheet metal 1 more near access area 2, so can strengthen the reflection effect of antenna, also further reduce the antenna entire area, reach the purpose of integrated antenna size utmost point microminiaturization.
Consult Fig. 6 and Fig. 7, be respectively the rearview of further embodiment of this invention.Present embodiment is that with the embodiment maximum differential that Fig. 1 to Fig. 3 provides sheet metal 1 external form is different, be respectively the execution mode of hexagon and oval external form in this two diagram, and the configuration of bending-type metal wire sections 11 also cooperates change; By bending kenel that changes bending-type metal wire sections 11 and the position that is connected with sheet metal 1, can adjust this plane antenna device and reach needed suitable length and width.
Fig. 8 is the front view of the embodiment of two bending-type metal wire sections of plane antenna device tool of the present invention.As shown in the figure: sheet metal 1 is arranged on the first surface 101 of dielectric layer 10, and sheet metal 1 electrically connects two bending-type metal wire sections 11 and 11a; Two bending-type metal wire sections 11 are connected unification with the end of 11a, and has a common load point 12 jointly, give FD feed for the signal transfer wire, these two bending-type metal wire sections 11 are used for prolonging the electric signal communicating path to sheet metal 1 simultaneously with 11a.
Fig. 9 is the rearview of another embodiment of two bending-type metal wire sections of plane antenna device tool of the present invention.As shown in the figure: two bending-type metal wire sections 11 are connected sheet metal 1 respectively with the end of 11a, the other end connects unification, and has a common load point 12 jointly, give FD feed for the signal transfer wire, two bending-type metal wire sections 11 are used for prolonging the electric signal communicating path to sheet metal 1 simultaneously with 11a.
This access area 2 has a peripheral shape 20, by changing the peripheral shape 20 of access area 2, can make access area 2 form a concavity place 201, and above-mentioned bending-type metal wire sections 11 and 11a be arranged among the concavity place 201 of access area 2, can further reach the purpose of reduction antenna size.Fig. 8 and Fig. 9 provide the combination with the peripheral shape 20 of 11a kenel and access area 2 of different sheet metal 1 shape, bending-type metal wire sections 11; The different external form combinations of plane antenna device each several part of the present invention are all in the scope of protection of the invention.
See also Figure 10 and 11 figure, be the front view and the stereogram of yet another embodiment of the invention.This embodiment provides and has added a reflector space that metal material constituted 3, be arranged at second surface 102 with the dielectric layer 10 of sheet metal different surfaces, and insulate fully with access area 2, sheet metal 1 is arranged at the first surface 101 of dielectric layer 10, bending-type metal wire sections 11 electrically connects sheet metal 1, and having a load point 12, access area 2 is arranged on the second surface 102 of dielectric layer 10, and has a peripheral shape 20; Reflector space 3 makes the reception quality better in order to the interference that isolated peripheral environment is produced.
Plane antenna device of the present invention also comprises a signal transmission line (figure do not show) and electrically connects load point 12, and this signal transmission line is a coaxial transmission line, or be co-plane waveguide or be microstrip transmission line.
The technical staff who is familiar with this technology should understand effective reception frequency range that plane antenna device of the present invention can pass through the total length may command antenna of this bending-type metal wire sections of adjustment, and is not limited to special frequency channel; And when the purpose that learn the bending-type metal wire sections for the path that prolongs electric signal satisfying the centre frequency of designed reception frequency range, so but not transmission line is must not be overlapped with the access area.
The technical staff who is familiar with this technology also should understand the same surface that aforesaid each assembly of plane antenna device of the present invention also can be provided with this dielectric layer, so the access area can be divided into two and place the left and right sides of transmission line respectively.
Introduction plane antenna device of the present invention not only meets the receiving feature of broad frequency range 470MHz-870MHz (being not limited to this), also have that size is little, volume is little, advantage in light weight, portable, can not only take into account the integrated antenna performance, more can cooperate needed environment and adjustment design easily, have the advantage of high conformability.
Above-mentioned is preferred embodiment of the present invention only, is not to be used for limiting the scope of the present invention.Be that all equalizations of being done according to the present patent application claim change and modification, be all the present patent application claim and contain.
Claims (12)
1. plane antenna device, it is characterized in that: this device includes:
A dielectric layer; Described dielectric layer has a first surface and a second surface;
A sheet metal; Described sheet metal is arranged on the surface of described dielectric layer;
At least one bending-type metal wire sections; One end of described bending-type metal wire sections electrically connects described sheet metal, and the other end has a load point;
An access area; Described access area is constituted by metal material, is arranged at the surface of described dielectric layer;
Wherein, described first surface and described second surface overlap each other; Described access area does not electrically connect with described sheet metal, and not overlapping with described bending-type metal wire sections.
2. plane antenna device according to claim 1 is characterized in that: described antenna assembly is provided with a signal transmission line and electrically connects described load point.
3. plane antenna device according to claim 2 is characterized in that: described signal transmission line is a coaxial transmission line; Or be co-plane waveguide; Or be microstrip transmission line.
4. plane antenna device according to claim 2 is characterized in that: described sheet metal, bending-type metal wire sections and access area all are arranged at described first surface.
5. plane antenna device according to claim 4 is characterized in that: described access area is divided into two and places the left and right sides of described transmission line respectively.
6. plane antenna device according to claim 1 is characterized in that: described sheet metal and described bending-type metal wire sections are arranged at described first surface; Described access area is arranged at described second surface.
7. plane antenna device according to claim 1 is characterized in that: described sheet metal be shaped as rectangle; Or be concave polygon; Or be oval or for semicircle; Or be irregular type.
8. plane antenna device according to claim 1 is characterized in that: the peripheral shape of described access area is a rectangle; Or be recessed polygonal; Or be irregular type.
9. plane antenna device according to claim 1 is characterized in that: described dielectric layer is the FR-4 substrate; Or be Teflon; Be glass fibre or for the pottery; Or be air.
10. plane antenna device according to claim 1 is characterized in that: described antenna assembly is provided with a reflector space that metal material constituted; Described echo area is arranged on the described dielectric layer, the surface different with described sheet metal, and insulate fully with described access area.
11. plane antenna device according to claim 1 is characterized in that: described plane antenna device is provided with two bending-type metal wire sections; One end of described two bending-type metal wire sections connects described sheet metal respectively, and the other end joins, and has a common load point in the joint.
12. plane antenna device according to claim 1 is characterized in that: described first surface and described second surface are for being parallel to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100008111A CN101222083A (en) | 2007-01-12 | 2007-01-12 | Plane type antenna apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007100008111A CN101222083A (en) | 2007-01-12 | 2007-01-12 | Plane type antenna apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101222083A true CN101222083A (en) | 2008-07-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007100008111A Pending CN101222083A (en) | 2007-01-12 | 2007-01-12 | Plane type antenna apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101222083A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101867086A (en) * | 2010-05-12 | 2010-10-20 | 上海交通大学 | Vehicle-mounted ground wireless antenna with low contour |
| CN102760940A (en) * | 2011-04-29 | 2012-10-31 | 纬创资通股份有限公司 | Coupled antenna and electronic device provided with same |
| CN101895008B (en) * | 2009-05-20 | 2013-07-24 | 咏业科技股份有限公司 | Miniature antenna |
-
2007
- 2007-01-12 CN CNA2007100008111A patent/CN101222083A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101895008B (en) * | 2009-05-20 | 2013-07-24 | 咏业科技股份有限公司 | Miniature antenna |
| CN101867086A (en) * | 2010-05-12 | 2010-10-20 | 上海交通大学 | Vehicle-mounted ground wireless antenna with low contour |
| CN102760940A (en) * | 2011-04-29 | 2012-10-31 | 纬创资通股份有限公司 | Coupled antenna and electronic device provided with same |
| CN102760940B (en) * | 2011-04-29 | 2015-05-27 | 纬创资通股份有限公司 | Coupled antenna and electronic device provided with same |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20080716 |