CN207818882U - Fluting folds microstrip antenna - Google Patents
Fluting folds microstrip antenna Download PDFInfo
- Publication number
- CN207818882U CN207818882U CN201820273951.XU CN201820273951U CN207818882U CN 207818882 U CN207818882 U CN 207818882U CN 201820273951 U CN201820273951 U CN 201820273951U CN 207818882 U CN207818882 U CN 207818882U
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- CN
- China
- Prior art keywords
- microstrip antenna
- radiation patch
- rectangular
- fluting
- folds
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Abstract
The utility model discloses a kind of flutings to fold microstrip antenna.It includes radiation fin and medium substrate that the fluting, which folds microstrip antenna, the radiation fin is located at the front of the medium substrate, the radiation fin is folded by a rectangular metal radiation fin, includes the third rectangular radiation patch positioned at positive first rectangular radiation patch of the medium substrate, the second rectangular radiation patch above first rectangular radiation patch and connection first rectangular radiation patch and the second rectangular radiation patch；The radiation fin is equipped with slot.The utility model is by by the design that traditional rectangular metal radiation fin folds and fluting designs, significantly reducing the resonant frequency of microstrip antenna.Since the resonant frequency of microstrip antenna substantially reduces, for the microstrip antenna size of setting, the working frequency of the fluting folding microstrip antenna of the utility model is wider, helps to realize the miniaturization of microstrip antenna.
Description
Technical field
The utility model is related to microstrip antenna technical fields, and microstrip antenna is folded in particular to fluting.
Background technology
Microstrip antenna is a kind of common printed board antenna, and the shape of micro-strip is arbitrary, and common are rectangle and circle.
The structure of rectangular microstrip antenna includes mainly four parts, is radiation patch, medium substrate, ground plane and coaxial feed portion respectively
Point, structure is as depicted in figs. 1 and 2.Radiation patch and ground plane are conductive, and the thickness of medium substrate is far smaller than wave
It is long, in order to reduce the dielectric loss of antenna, the general material smaller using relative dielectric constant.Radiation micro-strip is equivalent to an electricity
Sense and capacitance antiresonant circuit, narrow side is usually half wavelength, and radiation generates between broadside and ground plane.Coaxial line is presented
For electricity there are two effect, one is fed into electromagnetic wave, the other is realizing antenna in the position of radiation micro-strip by changing distributing point
Matching, reduces the reflection of electromagnetic wave.
The operation principle of microstrip antenna：The electromagnetic wave of input forms inductance coupling by the probe of coaxial line with radiation patch
It closes, half-wavelength rectangular radiation patch generates LC parallel resonances, and electromagnetic wave is finally passed through aerial radiation to space.Existing rectangle
The shortcomings that microstrip antenna be due to rectangular radiation patch broadside be equal to antenna operating wavelength half, and wavelength with frequency at anti-
Than for the lower antenna of frequency, operation wavelength is just very big, causes antenna size larger.
Utility model content
The main purpose of the utility model is to provide flutings to fold microstrip antenna, to solve rectangular microstrip in the prior art
The larger problem of size existing for antenna.
To achieve the goals above, the utility model provides a kind of fluting folding microstrip antenna.The fluting folds micro-strip
Antenna includes radiation fin and medium substrate, and the radiation fin is located at the front of medium substrate, and the radiation fin is by a rectangle gold
Belong to radiation fin to fold, including is located at positive first rectangular radiation patch of the medium substrate, is located at the first rectangle spoke
Penetrate the third rectangle of the second rectangular radiation patch and connection first rectangular radiation patch and the second rectangular radiation patch above piece
Radiation fin；The radiation fin is equipped with slot.
First, it by folding traditional rectangular metal radiation fin, is equivalent to and is increased in the case where not increasing size
The effective length of radiation patch broadside, to reduce the resonant frequency of microstrip antenna.Secondly, can be changed by design of slotting
Current direction increases the path length of electric current, further reduced the resonant frequency of microstrip antenna.It is humorous due to microstrip antenna
Vibration frequency substantially reduces, and therefore, for the microstrip antenna size of setting, the fluting of the utility model folds the work of microstrip antenna
Frequency is wider, helps to realize the miniaturization of microstrip antenna.
Further, first rectangular radiation patch is mutually parallel with second rectangular radiation patch.It is verified, when described
When first rectangular radiation patch is mutually parallel with second rectangular radiation patch, the miniaturization effect of gained microstrip antenna is best.
Further, first rectangular radiation patch is identical with the size of second rectangular radiation patch and in the medium
Projection on substrate coincides.It is verified, when first rectangular radiation patch is identical with the size of second rectangular radiation patch
And when the projection on the medium substrate coincides, the current distribution on rectangular metal radiation fin is more uniform, advantageously
In the miniaturization for realizing microstrip antenna.
Further, the third rectangular radiation patch is perpendicular to first rectangular radiation patch and second rectangular radiation
Piece.It is verified, when the third rectangular radiation patch is perpendicular to first rectangular radiation patch and second rectangular radiation patch,
The resonant frequency of the path length longest of electric current, microstrip antenna is minimum.
Further, the slot is U-type groove.Effectively change current direction as a result, increases current path.
Further, the width on three sides of the U-type groove is equal.Current distribution on rectangular metal radiation fin as a result,
More uniformly, it is more conducive to the miniaturization for realizing microstrip antenna.
Further, the slot is set to first rectangular radiation patch and/or the second rectangular radiation on piece.It reduces as a result,
The effect of resonant frequency is best.
Further, when first rectangular radiation patch and the second rectangular radiation on piece are equipped with the slot, upper and lower two
The size of a slot is identical and projection on the medium substrate coincides.Current distribution on rectangular metal radiation fin as a result,
More uniformly, it is more conducive to the miniaturization for realizing microstrip antenna.
Further, it is described fluting fold microstrip antenna further include set on the first rectangular radiation on piece distributing point with
And across ground plane and medium substrate and the feed probes that are connect with the distributing point, the ground plane is set to the medium substrate
The back side.For coaxial feeding there are two effect, one is fed into electromagnetic wave, the other is by changing distributing point in the first rectangle spoke
The position of on piece is penetrated to realize the matching of microstrip antenna, reduces the reflection of electromagnetic wave.
As it can be seen that the utility model has the advantages of simple structure, is designed, had by folding and slotting traditional rectangular metal radiation fin
Effect reduces the resonant frequency of microstrip antenna, and for the microstrip antenna size of setting, the fluting of the utility model folds micro-strip day
The working frequency of line is wider, helps to realize the miniaturization of microstrip antenna.
The utility model is described further with reference to the accompanying drawings and detailed description.The utility model is additional
Aspect and advantage will be set forth in part in the description, and partly will become apparent from the description below, or pass through this practicality
Novel practice is recognized.
Description of the drawings
The attached drawing for constituting the part of the utility model is used for assisting understanding to the utility model, provided in attached drawing
Content and its related explanation can be used for explaining the utility model in the present invention, but is not constituted to the utility model not
Work as restriction.In the accompanying drawings：
Fig. 1 is the sectional view of the rectangular microstrip antenna of the prior art.
Fig. 2 is the vertical view of the rectangular microstrip antenna of the prior art.
Fig. 3 is that the fluting of the utility model embodiment 1 folds the sectional view of microstrip antenna.
Fig. 4 is that the fluting of the utility model embodiment 1 folds the vertical view of microstrip antenna.
Fig. 5 is the structural schematic diagram of the radiation fin of the utility model embodiment 1.
Fig. 6 is the structural schematic diagram of the radiation fin of the utility model embodiment 2.
Fig. 7 is the structural schematic diagram of the radiation fin of the utility model embodiment 3.
Related label in above-mentioned attached drawing be：
1：Radiation fin；
10：Distributing point；
11：First rectangular radiation patch；
12：Second rectangular radiation patch；
13：Third rectangular radiation patch；
2：Medium substrate；
3：Ground plane；
41：Thin metal layer；
42：Insulating layer；
43：Core wire；
5：Slot.
Specific implementation mode
Clear, complete explanation is carried out to the utility model below in conjunction with the accompanying drawings.Those of ordinary skill in the art based on
The utility model will be realized in the case of these explanations.Before being illustrated to the utility model in conjunction with attached drawing, spy is needed
It is not pointed out that：
Technical solution and technical characteristic in the utility model provided in each section including following the description,
In the case of not conflicting, these technical solutions and technical characteristic can be combined with each other.
In addition, involved in following the description to the embodiments of the present invention be generally only the utility model part reality
Example is applied, instead of all the embodiments.Therefore, the embodiments of the present invention are based on, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making creative work, should all belong to the model of the utility model protection
It encloses.
About term in the utility model and unit.The specification and claims of the utility model and related part
In term " comprising ", " having " and their any deformation, it is intended that cover and non-exclusive include.
Embodiment 1
Fluting as shown in Figure 3-4 folds microstrip antenna, including radiation fin 1, medium substrate 2, ground plane 3 and feed are visited
Needle, the radiation fin 1 are located at the front of the medium substrate 2, and the area of the medium substrate 2 is more than the face of the radiation fin 1
Product.The ground plane 3 is located at the back side of the medium substrate 2, and the ground plane 3 is metal coating.The feed probes by
Internal core wire 43, external thin metal layer 41 and the insulating layer 42 of centre forms, and the feed probes are specially difference feedback
Electrolytic copper column.
As shown in figure 5, the radiation fin 1 is folded by a rectangular metal radiation fin, including it is located at the medium base
2 positive first rectangular radiation patch 11 of plate, the second rectangular radiation patch 12 above first rectangular radiation patch 11 and
Connect the third rectangular radiation patch 13 of first rectangular radiation patch, 11 and second rectangular radiation patch 12；It is set on the radiation fin 1
There is slot 5.First rectangular radiation patch 11 is equipped with distributing point 10, and the feed probes pass through the ground plane 3 and medium
Substrate 2, its final core wire 43 are connected at the distributing point 10 in first rectangular radiation patch 11, the thin metal layer 41 and institute
State the connection of ground plane 3.
First rectangular radiation patch 11 is mutually parallel with second rectangular radiation patch 12, size is identical and is being given an account of
Projection on matter substrate 2 coincides.
The third rectangular radiation patch 13 is perpendicular to first rectangular radiation patch 11 and second rectangular radiation patch 12.
The slot 5 is U-type groove, and the width on three sides is equal.The opening direction of the U-type groove is towards the distributing point 10.
The U-type groove, upper and lower two slots 5 are equipped in first rectangular radiation patch, 11 and second rectangular radiation patch 12
Size it is identical and projection on the medium substrate 2 coincides.
Embodiment 2
Compared with Example 1, the fluting of the present embodiment, which folds the difference that microstrip antenna has, is：As shown in fig. 6, only in institute
It states and is equipped with the U-type groove in the first rectangular radiation patch 11.
Embodiment 3
Compared with Example 1, the fluting of the present embodiment, which folds the difference that microstrip antenna has, is：As shown in fig. 7, only in institute
It states and is equipped with the U-type groove in the second rectangular radiation patch 12.
The related content of the utility model is illustrated above.Those of ordinary skill in the art are based on these explanations
In the case of will realize the utility model.The above based on the utility model, those of ordinary skill in the art are not having
There is the every other embodiment obtained under the premise of making creative work, should all belong to the model of the utility model protection
It encloses.
Claims (9)
1. fluting folds microstrip antenna, including radiation fin (1) and medium substrate (2), the radiation fin (1) are located at the medium base
The front of plate (2), it is characterised in that：The radiation fin (1) is folded by a rectangular metal radiation fin, including is located at described
Positive first rectangular radiation patch (11) of medium substrate (2), the second rectangle being located above first rectangular radiation patch (11)
The third rectangular radiation patch of radiation fin (12) and connection first rectangular radiation patch (11) and the second rectangular radiation patch (12)
(13)；The radiation fin (1) is equipped with slot (5).
2. fluting as described in claim 1 folds microstrip antenna, it is characterised in that：First rectangular radiation patch (11) and institute
The second rectangular radiation patch (12) is stated to be mutually parallel.
3. fluting as claimed in claim 2 folds microstrip antenna, it is characterised in that：First rectangular radiation patch (11) and institute
The size for stating the second rectangular radiation patch (12) is identical and projection on the medium substrate (2) coincides.
4. fluting as described in claim 1 folds microstrip antenna, it is characterised in that：The third rectangular radiation patch (13) is vertical
In first rectangular radiation patch (11) and second rectangular radiation patch (12).
5. fluting as described in claim 1 folds microstrip antenna, it is characterised in that：The slot (5) is U-type groove.
6. fluting as claimed in claim 5 folds microstrip antenna, it is characterised in that：The width phase on three sides of the U-type groove
Deng.
7. fluting as described in claim 1 folds microstrip antenna, it is characterised in that：The slot (5) is set to first rectangle
On radiation fin (11) and/or the second rectangular radiation patch (12).
8. fluting as claimed in claim 7 folds microstrip antenna, it is characterised in that：When first rectangular radiation patch (11) and
When being equipped with the slot (5) in the second rectangular radiation patch (12), the size of upper and lower two slots (5) is identical and in the medium substrate
(2) projection on coincides.
9. fluting as described in claim 1 folds microstrip antenna, it is characterised in that：The fluting folds microstrip antenna
Distributing point (10) on first rectangular radiation patch (11) and across ground plane (3) and medium substrate (2) and with institute
The feed probes of distributing point (10) connection are stated, the ground plane (3) is set to the back side of the medium substrate (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820273951.XU CN207818882U (en) | 2018-02-26 | 2018-02-26 | Fluting folds microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820273951.XU CN207818882U (en) | 2018-02-26 | 2018-02-26 | Fluting folds microstrip antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207818882U true CN207818882U (en) | 2018-09-04 |
Family
ID=63321462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820273951.XU Expired - Fee Related CN207818882U (en) | 2018-02-26 | 2018-02-26 | Fluting folds microstrip antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207818882U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243279A (en) * | 2021-12-20 | 2022-03-25 | 电子科技大学 | Broadband multi-line polarization reconfigurable antenna loaded by double-layer metal sheets |
-
2018
- 2018-02-26 CN CN201820273951.XU patent/CN207818882U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114243279A (en) * | 2021-12-20 | 2022-03-25 | 电子科技大学 | Broadband multi-line polarization reconfigurable antenna loaded by double-layer metal sheets |
| CN114243279B (en) * | 2021-12-20 | 2023-03-03 | 电子科技大学 | Broadband multi-linear polarization reconfigurable antenna loaded by double-layer metal sheets |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180904 Termination date: 20190226 |