CN2865040Y - Microstrip aerial - Google Patents
Microstrip aerial Download PDFInfo
- Publication number
- CN2865040Y CN2865040Y CN 200620068902 CN200620068902U CN2865040Y CN 2865040 Y CN2865040 Y CN 2865040Y CN 200620068902 CN200620068902 CN 200620068902 CN 200620068902 U CN200620068902 U CN 200620068902U CN 2865040 Y CN2865040 Y CN 2865040Y
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- Prior art keywords
- conductor
- slice
- radiation conductor
- radiation
- microstrip antenna
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Abstract
The utility model provides a micro band antenna. The micro band antenna is realized by a copper-surfaced circuit. The copper-surfaced circuit comprises a base plate and the base plate consists of a front and a back. The base plate is provided with an earth connection conductor slice on the back. The base plate is provided with the first radiation conductor slice and the second radiation conductor slice and conductor connection slice to connect the two conductor slices. The two radiation conductor slices is parallel to each other. The conductor connection slice is perpendicular to the two radiation conductor slices. The conductor connection slice is provided with a through-hole to breakthrough the base plate in the middle. The through-hole is provided inside with a carrier conductor to connect the conductor connection slice and the earth connection conductor slice. The carrier conductor is located on the front of the base plate to fix the third radiation conductor slice. The plane of the third radiation conductor slice is parallel to the plane of the first radiation conductor slice and the second radiation conductor slice. The projection of the third radiation conductor in the plane of the first and the second radiation conductor slices coincides with parts of the first and the second radiation conductor slices.
Description
[Ji Intraoperative field]
The utility model relates to a kind of antenna, particularly relates to a kind of microstrip antenna that adopts printed circuit to be realized.
[Bei Jing Ji Intraoperative]
At present, communication product on the market as mobile phone, has the trend of microminiaturization gradually; Communication product is also integrated with other electronic product gradually, and as communication apparatus being installed in notebook computer (NB), PDA(Personal Digital Assistant) etc., when this extra equipment was installed in electronic product, being bound to will be with its microminiaturization.Development trend in the face of Tong Xun Ji Intraoperative has a key factor must include consideration, i.e. antenna in.Along with the microminiaturization of communication apparatus, inevitably, the design of antenna is microminiaturization correspondingly also.And the solution of antenna microminiaturization in the middle of the Zai Xian You Ji Intraoperative, has become ripe development field.For example, planar inverted F-shape antenna, high-k antenna, slot aerial, compact spiral shape antenna and microstrip antenna or the like are and adapt to the antenna microminiaturization and develop and De Ji Intraoperative.
In the solution of numerous antenna microminiaturizations, microstrip antenna is highly lower because of it, be easy to built-in and preferable gain gains great popularity.The microstrip antenna that is used for traditional portable radio communication equipment, the structure that it possessed is as describing among the Japanese Patent Application Publication No.3-166802.See also Fig. 1, Fig. 2, Fig. 1 is the sectional view of traditional microstrip antenna, and Fig. 2 is the plane graph of Fig. 1 microstrip antenna.In brief, this class formation all possesses a kind of basic structure, this structure comprises the earthing conductor sheet 100 such as the Copper Foil conductor piece, one a dielectric substrate 200 and a radiation conductor slice 300 such as resin substrate, the used material of this radiation conductor slice 300 is identical with earthing conductor sheet 100, just has a small region to be built up stratiform.Radiation conductor slice 300 is a square or rectangular, and is linked to each other with earthing conductor sheet 300 by a plurality of through holes 400.Formed distributing point is towards through hole 400 core that leaves radiation conductor slice 300 a little on one side.
As the antenna of above-mentioned structure, in equipment, will need very big area, be difficult to for the purpose of portable use they are provided in the wireless telecommunications system, need the structure of small size and light weight for this reason.Thereby, the transformation that this kind structure is carried out is arranged again, relevant patent sees that the China's Mainland number of patent application is 97112015.3 microstrip antennas that disclosed, this microstrip antenna has a dielectric substrate, an and earthing conductor sheet that on a surface of this dielectric substrate, forms, also include a radiation conductor slice that forms at the lip-deep core of another of dielectric substrate, and the area of this radiation conductor slice is littler than the area of earthing conductor sheet, also comprises the radio wave reflector with the part radio-wave reflection of radiation conductor slice radiation in addition.And described radiation conductor slice linked to each other with feed line with short circuit of described earthing conductor sheet and while.Best described radio wave reflector is formed on the described dielectric substrate marginal surface and with radiation conductor slice and separates certain interval.Microstrip antenna with this kind structure can be made into undersized shape.
As above-mentioned mentioned traditional microstrip antenna and to its improved microstrip antenna, it common feature that possesses is, it all is to wait by the dielectric constant that changes its little bandwidth, dielectric substrate to control applying frequency own, simultaneously also regulate bandwidth by changing these parameters, these antenna allows the characteristic frequency composition to pass through, but suppress or other frequency content that decays (claiming that again this frequency band is a stopband) aspect ability a little less than.It is less to be that this type of antenna stopband suppresses amplitude, can not well widen to allow the characteristic frequency composition that passes through, thereby its bandwidth is narrower.
[summary of the invention]
In view of above problems of the prior art, be necessary to provide a kind of improved microstrip antenna in fact.Thereby, the purpose of this utility model is to provide a kind of microstrip antenna, this microstrip antenna is realized that by printed circuit this microstrip antenna has bigger stopband than prior art and suppresses amplitude, and this microstrip antenna has bigger working band width than the prior art microstrip antenna.
For reaching above-mentioned purpose, the utility model provides a kind of microstrip antenna, this microstrip antenna is realized by a printed circuit, this printed circuit includes a medium substrate, this medium substrate comprises tow sides, this medium substrate reverse side is an earthing conductor sheet, the conductor brace that this medium substrate front includes one first radiation conductor slice and one second radiation of conductors sheet and is connected this two radiation conductor slice, this two radiation conductor slice is parallel to each other, this conductor brace is perpendicular to this two radiation conductor slice, there is a through hole that penetrates medium substrate in these conductor brace central authorities, be provided with the loading conductor of a bonding conductor brace and earthing conductor sheet in this through hole, this loading conductor is positioned at fixes one the 3rd radiation conductor slice, the 3rd plane, radiation conductor slice place and first radiation conductor slice on the medium substrate frontal, the second radiation conductor slice place plane parallel and the 3rd radiation conductor slice are at first radiation conductor slice, the projection on plane, the second radiation conductor slice place and this first radiation conductor slice, second radiation conductor slice partially overlaps.
Especially, this through hole is a circular hole, this loading conductor includes three parts, these three parts are three coaxial cylinders conductors, this first cylindrical conductor diameter is a through-hole diameter, is second cylindrical conductor on it, and this second cylindrical conductor diameter is big than this first cylindrical conductor diameter, be this three cylindrical conductor on this second cylindrical conductor, this three cylindrical conductor diameter is little than this second cylindrical conductor diameter;
Especially, this first radiation conductor slice is a rectangle, and this second radiation conductor slice is a rectangle, and the 3rd radiation conductor slice is a rectangle;
Especially, this first radiation conductor slice, the second radiation conductor leaf length, width are all identical, and the 3rd radiation conductor leaf length is less than this first radiation conductor slice, the second radiation conductor leaf length;
Especially, the 3rd radiation conductor slice has the circular hole of an above-mentioned three cylindrical conductor sizes near the central authorities of one end;
Especially, the projection of the 3rd radiation conductor slice on this first radiation conductor slice, plane, the second radiation conductor slice place do not exceed the length range of this first radiation conductor slice, second radiation conductor slice;
Especially, this first radiation conductor slice, second radiation conductor slice, the 3rd radiation conductor slice are the two parts separately on boundary with the loading conductor, and short part all is positioned at loading conductor the same side;
Especially, this earthing conductor sheet covers whole medium substrate reverse side;
Especially, this first radiation conductor slice has one second feedback point selection zone is arranged on one first feedback point selection zone, this second radiation conductor slice, this first feedback point selection peak width is less than this first radiation conductor slice width, this second feedback point selection peak width is less than this second radiation conductor slice width, the length in this two feedbacks point selection zone is made the determined width of vertical line for this this two radiation conductor slice of loading conductor two side direction, in this two zone, choose wantonly and a bit get through, as a feedback point position;
Especially, this microstrip antenna also comprises a feeder line, and the internal core wire of this feeder line and above-mentioned feedback point position electrically connect, and the screen of this feeder line and above-mentioned earthing conductor sheet electrically connect with the corresponding position of feedback point.
Compared with prior art, the utility model microstrip antenna is by increasing the stopband inhibition amplitude that one the 3rd radiation of conductors sheet improves antenna, be exactly specifically, this radiation fin itself be tuned at the first radiation of conductors sheet, the second radiation of conductors sheet tuning different but contiguous frequency, can on wider and degree, suppress non-applying frequency signal component, also based on same cause, can increase bandwidth of operation simultaneously.
For making the purpose of this utility model, structural feature and function thereof there are further understanding, cooperate diagram to be described in detail as follows now:
[description of drawings]
Fig. 1 illustrates the sectional view into traditional microstrip antenna.
Fig. 2 illustrates the plane graph into Fig. 1 microstrip antenna.
Fig. 3 illustrates the structural representation into a preferred embodiment of the utility model microstrip antenna.
Fig. 4 illustrates and is a preferred embodiment of the utility model microstrip antenna cut-away view along its medium substrate minor face mid point line direction.
Fig. 5 illustrates the front view into a preferred embodiment of the utility model microstrip antenna.
Fig. 6 illustrates the front view into a preferred embodiment of the utility model microstrip antenna.
Fig. 7 illustrates the feeder line schematic diagram into a preferred embodiment of the utility model microstrip antenna.
[embodiment]
Please consult Fig. 3, Fig. 4, Fig. 5, Fig. 6 jointly, wherein, Fig. 3 illustrates the structural representation into a preferred embodiment of the utility model microstrip antenna; Fig. 4 illustrates and is a preferred embodiment of the utility model microstrip antenna cut-away view along its medium substrate minor face mid point line direction; Fig. 5 illustrates the front view into a preferred embodiment of the utility model microstrip antenna; Fig. 6 illustrates the front view into a preferred embodiment of the utility model microstrip antenna.
A kind of microstrip antenna that the utility model provides, this microstrip antenna is realized by a printed circuit 1, this printed circuit 1 includes a medium substrate 2, this medium substrate 2 comprises tow sides, these medium substrate 2 reverse side are an earthing conductor sheet 3, these medium substrate 2 fronts include one first radiation conductor slice 4 with one second radiation of conductors sheet 5 and be connected this first radiation conductor slice 4, the conductor brace 6 of second radiation conductor slice 5, this first radiation conductor slice 4, second radiation conductor slice 5 is parallel to each other, this conductor brace 6 is perpendicular to this first radiation conductor slice 4 and this second radiation conductor slice 5, there is a through hole 7 that penetrates medium substrate 2 in these conductor brace 6 central authorities, be provided with one in this through hole 7 and connect first radiation conductor slice 4, the loading conductor 8 of second radiation conductor slice 5 and earthing conductor sheet 3, this loading conductor 8 is positioned at fixes one the 3rd radiation conductor slice, 9, the three radiation conductor slice planes, 9 place and first radiation conductor slice 4 on medium substrate 2 frontals, second radiation conductor slice, 5 place plane parallel and the 3rd radiation conductor slice 9 are at first radiation conductor slice 4, the projection on plane, second radiation conductor slice, 5 place and this first radiation conductor slice 4, second radiation conductor slice 5 partially overlaps.In present embodiment, this medium substrate 2 is a rectangle.
Especially, this through hole 7 is a circular hole, this loading conductor 8 includes three parts, these three parts are three coaxial cylinders conductors, these first cylindrical conductor, 81 diameter through holes, 7 diameters, it on it second cylindrical conductor 82, this second cylindrical conductor 82 is big than this first cylindrical conductor 81, be this three cylindrical conductor 83 on this second cylindrical conductor 82, this three cylindrical conductor 83 is little than this second cylindrical conductor 82, in present embodiment, these first cylindrical conductor, 81 diameters are identical with these three cylindrical conductor 83 diameters;
Especially, this first radiation conductor slice 4 is the rectangle band shape, and this second radiation conductor slice 5 is the rectangle band shape, and the 3rd radiation conductor slice 9 is a rectangle;
Especially, this first radiation conductor slice 4 is identical with these second radiation conductor slice, 5 length, this first radiation conductor slice 4 is identical with these second radiation conductor slice, 5 width, and the 3rd radiation conductor slice 9 length are less than this first radiation conductor slice 4, second radiation conductor slice, 5 length;
Especially, the 3rd radiation conductor slice 9 has the circular hole 90 of above-mentioned three cylindrical conductor 83 diameter diameters near the central authorities of one end;
Especially, the projection of the 3rd radiation conductor slice 9 on this first radiation conductor slice 4, second radiation conductor slice, 5 determined planes do not exceed the length range of this first radiation conductor slice 4, this second radiation conductor slice 5;
Especially, this first radiation conductor slice 4, second radiation conductor slice 5, the 3rd radiation conductor slice 9 are the two parts separately on boundary with loading conductor 8, and short part all is positioned at loading conductor 9 the same sides;
Especially, this earthing conductor sheet 3 covers whole medium substrate 2 reverse side;
Especially, this first radiation conductor slice 4 has one second feedback point selection zone 50 is arranged on one first feedback point selection zone 40, this second radiation conductor slice, these first feedback point selection zone, 40 width are less than these first radiation conductor slice, 4 width, these second feedback point selection zone, 50 width are less than these second radiation conductor slice, 5 width, the length in this two feedbacks point selection zone is made the determined width of vertical line for this this two radiation conductor slice of loading conductor two side direction, in this two zone, choose wantonly and a bit get through, as a feedback point position;
Especially, please in conjunction with consulting Fig. 7, Fig. 7 illustrates the feeder line schematic diagram into a preferred embodiment of the utility model microstrip antenna, this microstrip antenna also comprises a feeder line 10, this feeder line 10 is a coaxial line, the internal core wire 11 of this feeder line 10 electrically connects with above-mentioned feedback point position, electrically connects with the corresponding position of feedback point on the screen 12 of this feeder line and the above-mentioned earthing conductor sheet 3.
The other end of the internal core wire 11 of this feeder line 10 and the microwave receiving/transmitting element on the electronic installation (not shown) electrically connect; The other end of this screen 12 and the earth element on the electronic installation (not shown) electrically connect.
Compared with prior art, the utility model microstrip antenna is by increasing the stopband inhibition amplitude that one the 3rd radiation of conductors sheet 9 improves antenna, upper strata the 3rd radiation of conductors sheet 9 is a ground plate with lower floor's first radiation conductor slice 4, this second radiation conductor slice 5, be exactly specifically, this the 3rd radiation of conductors sheet 9 itself be tuned at the first radiation of conductors sheet 4, the second radiation of conductors sheet 5 tuning different but contiguous frequency, can on wider and degree, suppress non-applying frequency signal component, also based on same cause, can increase bandwidth of operation simultaneously.
Claims (10)
1, a kind of microstrip antenna, this microstrip antenna is realized by a printed circuit, this printed circuit includes a medium substrate, this medium substrate comprises tow sides, this medium substrate reverse side is an earthing conductor sheet, the conductor brace that this medium substrate front includes one first radiation conductor slice and one second radiation of conductors sheet and is connected this two radiation conductor slice, it is characterized in that, this two radiation conductor slice is parallel to each other, this conductor brace is perpendicular to this two radiation conductor slice, there is a through hole that penetrates medium substrate in these conductor brace central authorities, be provided with the loading conductor of a bonding conductor brace and earthing conductor sheet in this through hole, this loading conductor is positioned at fixes one the 3rd radiation conductor slice, the 3rd plane, radiation conductor slice place and first radiation conductor slice on the medium substrate frontal, the second radiation conductor slice place plane parallel and the 3rd radiation conductor slice are at first radiation conductor slice, the projection on plane, the second radiation conductor slice place and this first radiation conductor slice, second radiation conductor slice partially overlaps.
2, microstrip antenna as claimed in claim 1, it is characterized in that, this through hole is a circular hole, this loading conductor includes three parts, and these three parts are three coaxial cylinders conductors, and this first cylindrical conductor diameter is a through-hole diameter, it on it second cylindrical conductor, this second cylindrical conductor diameter is big than this first cylindrical conductor diameter, is this three cylindrical conductor on this second cylindrical conductor, and this three cylindrical conductor diameter is little than this second cylindrical conductor diameter.
3, microstrip antenna as claimed in claim 1 is characterized in that, this first radiation conductor slice is a rectangle, and this second radiation conductor slice is a rectangle, and the 3rd radiation conductor slice is a rectangle.
4, as claim 1, the described microstrip antenna of claim 3, it is characterized in that, this first radiation conductor slice, the second radiation conductor leaf length, width are all identical, and the 3rd radiation conductor leaf length is less than this first radiation conductor slice, the second radiation conductor leaf length.
5, microstrip antenna as claimed in claim 1 is characterized in that, the 3rd radiation conductor slice has the circular hole of an above-mentioned three cylindrical conductor sizes near the central authorities of one end.
6, microstrip antenna as claimed in claim 1 is characterized in that, the projection of the 3rd radiation conductor slice on this first radiation conductor slice, plane, the second radiation conductor slice place do not exceed the length range of this first radiation conductor slice, second radiation conductor slice.
7, microstrip antenna as claimed in claim 1 is characterized in that, this first radiation conductor slice, second radiation conductor slice, the 3rd radiation conductor slice are the two parts separately on boundary with the loading conductor, and short part all is positioned at loading conductor the same side.
8, microstrip antenna as claimed in claim 1 is characterized in that, this earthing conductor sheet covers whole medium substrate reverse side.
9, microstrip antenna as claimed in claim 1, it is characterized in that, this first radiation conductor slice has on one the first feedback point selection zone, this second radiation conductor slice one second feedback point selection zone is arranged, this first feedback point selection peak width is less than this first radiation conductor slice width, this second feedback point selection peak width is less than this second radiation conductor slice width, the length in this two feedbacks point selection zone is made the determined width of vertical line for this this two radiation conductor slice of loading conductor two side direction, in this two zone, choose wantonly and a bit get through, as a feedback point position.
10, microstrip antenna as claimed in claim 1 is characterized in that, this microstrip antenna also comprises a feeder line, and the internal core wire of this feeder line and above-mentioned feedback point position electrically connect, and the screen of this feeder line and above-mentioned earthing conductor sheet electrically connect with the corresponding position of feedback point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620068902 CN2865040Y (en) | 2006-01-23 | 2006-01-23 | Microstrip aerial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620068902 CN2865040Y (en) | 2006-01-23 | 2006-01-23 | Microstrip aerial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2865040Y true CN2865040Y (en) | 2007-01-31 |
Family
ID=37677492
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620068902 Expired - Fee Related CN2865040Y (en) | 2006-01-23 | 2006-01-23 | Microstrip aerial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2865040Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN106848545A (en) * | 2017-01-24 | 2017-06-13 | 东南大学 | Individual layer multifrequency multi radiator antenna |
| CN106876968A (en) * | 2017-01-24 | 2017-06-20 | 东南大学 | Grid veneer multifrequency two radiator antenna |
| CN106876966A (en) * | 2017-01-24 | 2017-06-20 | 东南大学 | Individual layer multifrequency two radiator antenna |
| CN106876967A (en) * | 2017-01-24 | 2017-06-20 | 东南大学 | Grid veneer multifrequency multi radiator antenna |
-
2006
- 2006-01-23 CN CN 200620068902 patent/CN2865040Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101740862A (en) * | 2008-11-20 | 2010-06-16 | 东莞市启汉电子科技有限公司 | Dipole antenna of RF chip |
| CN106848545A (en) * | 2017-01-24 | 2017-06-13 | 东南大学 | Individual layer multifrequency multi radiator antenna |
| CN106876968A (en) * | 2017-01-24 | 2017-06-20 | 东南大学 | Grid veneer multifrequency two radiator antenna |
| CN106876966A (en) * | 2017-01-24 | 2017-06-20 | 东南大学 | Individual layer multifrequency two radiator antenna |
| CN106876967A (en) * | 2017-01-24 | 2017-06-20 | 东南大学 | Grid veneer multifrequency multi radiator antenna |
| CN106876966B (en) * | 2017-01-24 | 2019-05-21 | 东南大学 | Single layer multifrequency two radiator antenna |
| CN106876968B (en) * | 2017-01-24 | 2019-05-21 | 东南大学 | Grid veneer multifrequency two radiator antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070131 |