CN203103506U - Ultra wide band cup-form monopole antenna with stop-band characteristic - Google Patents
Ultra wide band cup-form monopole antenna with stop-band characteristic Download PDFInfo
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- CN203103506U CN203103506U CN 201320048632 CN201320048632U CN203103506U CN 203103506 U CN203103506 U CN 203103506U CN 201320048632 CN201320048632 CN 201320048632 CN 201320048632 U CN201320048632 U CN 201320048632U CN 203103506 U CN203103506 U CN 203103506U
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- monopole antenna
- transmission line
- impedance matching
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Abstract
The utility model discloses an ultra wide band cup-form monopole antenna with a stop-band characteristic. The monopole antenna comprises a substrate, a porous hollowed-out semicircular radiation patch, heptagonal hollow-outs, a circular hollow-out, an impedance matching input transmission line and metal earth plates, wherein the surface of the substrate is provided with the porous hollowed-out semicircular radiation patch, the impedance matching input transmission line and the metal earth plates, the bottom of the center of the porous hollowed-out semicircular radiation patch is connected with one end of the impedance matching input transmission line, the other end of the impedance matching input transmission line is connected with the bottom of the substrate, the metal earth plates are symmetrically arranged at positions 1 to 2 mm far away from two ends of the impedance matching input transmission line, and bottoms of the metal earth plates are connected with the bottom of the substrate. According to the utility model, the micro-strip substrate uses the Taconic material, so the ultra wide band cup-form monopole antenna has the advantages of low cost, a good radiation characteristic, small loss, a simple and miniature structure and convenient manufacturing.
Description
Technical field
The utility model relates to antenna, relates in particular to a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic.
Technical background
Since the U.S. is defined and accepts, caused numerous scholars' research interest from the ultra-wideband pulse radiotechnics.Through years of development, the design of dual-mode antenna still is a challenging subject in the ultra-wideband communications.When need working, ultra-wideband antenna requires to have good time domain specification on the frequency band of non-constant width, promptly minimum pulse distortion response; Although the minimum bandwidth of ultra broadband definition is 25%, has more the antenna of wide bandwidth and develop.Broad-band antenna has also been played the part of more and more important role in modern wireless communication systems.The narrow-band antenna design of multiband has been avoided in its appearance, has simplified antenna structure and has helped electromagnetic compatibility.
In recent years, emerged in large numbers many monopole antenna such as disk monopoles that are applicable to ultra-wideband communications, square monopole, pentagon and hexagon monopole, they all have very wide working band, antenna pattern preferably.But owing to their nonplanar structure, ground level is vertical with radiating element, can not integrate with printed circuit easily, has limited application.
Summary of the invention
The utility model is big in order to overcome prior art loss in WLAN (wireless local area network), and the low deficiency that gains provides a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic.
In order to achieve the above object, the technical solution of the utility model is as follows:
Ultra wide band cup-shaped monopole antenna with stopband characteristic comprises substrate, the semicircle radiation patch of poroid hollow out, heptagon hollow out, circular hollow out, impedance matching input transmission line, metal ground plate; The surface of substrate is provided with the semicircle radiation patch of poroid hollow out, impedance matching input transmission line and metal ground plate, the semicircle radiation patch of poroid hollow out is provided with heptagon hollow out and circular hollow out, the bottom, center of the semicircle radiation patch of poroid hollow out is connected with impedance matching input transmission line one end, the other end of impedance matching input transmission line is connected with the bottom of substrate, be provided with the metal ground plate of symmetry apart from impedance matching input transmission line two ends 1mm～2mm place, the bottom of metal ground plate is connected with the bottom of substrate.
Described substrate is the Taconic material.The width of described substrate is 30mm～40mm, highly is 30mm～40mm.The radius of the semicircle radiation patch of described poroid hollow out is 10mm～15mm.The length of side of described heptagon hollow out is 2mm～3mm, is 1mm～2mm apart from the top distance, and the distance between the hollow out is 5mm～10mm.The radius of described circular hollow out is 3mm～5mm.The width of described impedance matching input transmission line is 2mm～3mm, and length is 20mm～22mm.The length of described metal ground plate is 10mm～15mm, and width is 15mm～20mm.。
The little belt substrate of the utility model uses the Taconic material, and it is low to have a cost, and loss is low, and is simple in structure small-sized, is convenient to make.
Description of drawings:
Fig. 1 is the structural front view with ultra wide band cup-shaped monopole antenna of stopband characteristic;
Fig. 2 is the insertion loss figure with ultra wide band cup-shaped monopole antenna of stopband characteristic;
Fig. 3 is the E surface radiation directional diagram of ultra wide band cup-shaped monopole antenna when 4GHz with stopband characteristic;
Fig. 4 is the H surface radiation directional diagram of ultra wide band cup-shaped monopole antenna when 4GHz with stopband characteristic;
Fig. 5 is the E surface radiation directional diagram of ultra wide band cup-shaped monopole antenna when 8GHz with stopband characteristic;
Fig. 6 is the H surface radiation directional diagram of ultra wide band cup-shaped monopole antenna when 8GHz with stopband characteristic;
Embodiment
As shown in Figure 1, the ultra wide band cup-shaped monopole antenna with stopband characteristic comprises substrate 1, the semicircle radiation patch 2 of poroid hollow out, heptagon hollow out 3, circular hollow out 4, impedance matching input transmission line 5, metal ground plate 6; The surface of substrate 1 is provided with the semicircle radiation patch 2 of poroid hollow out, impedance matching input transmission line 5 and metal ground plate 6, the semicircle radiation patch 2 of poroid hollow out is provided with heptagon hollow out 3 and circular hollow out 4, the bottom, center of the semicircle radiation patch 2 of poroid hollow out is connected with impedance matching input transmission line 5 one ends, the other end of impedance matching input transmission line 5 is connected with the bottom of substrate 1, be provided with the metal ground plate 6 of symmetry apart from impedance matching input transmission line 5 two ends 1mm～2mm place, the bottom of metal ground plate 6 is connected with the bottom of substrate 1.
Described substrate 1 is the Taconic material.The width of described substrate 1 is 30mm～40mm, highly is 30mm～40mm.The radius of the semicircle radiation patch 2 of described poroid hollow out is 10mm～15mm.The length of side of described heptagon hollow out 3 is 2mm～3mm, is 1mm～2mm apart from the top distance, and the distance between the hollow out is 5mm～10mm.The radius of described circular hollow out 4 is 3mm～5mm.The width of described impedance matching input transmission line 5 is 2mm～3mm, and length is 20mm～22mm.The length of described metal ground plate 6 is 10mm～15mm, and width is 15mm～20mm.
Ultra wide band cup-shaped monopole antenna with stopband characteristic:
The selection dielectric constant is 2.65 the little belt substrate of Te Folong (Taconic) material, and thickness is 1.5.The width of substrate is 34mm, highly is 35mm.The radius of the semicircle radiation patch of poroid hollow out is 15mm.The length of side of heptagon hollow out is 2.79mm, is 2mm apart from the top distance, and the distance between the hollow out is 9.77mm.The radius of circular hollow out is 3mm.The width of impedance matching input transmission line is 3mm, and length is 20mm.The length of metal ground plate is 14.5mm, and width is 17.47mm.Every performance index with ultra wide band cup-shaped monopole antenna of stopband characteristic adopt CST software to test the insertion damage curve of gained such as accompanying drawing 2.As seen from the figure ,-the following working frequency range of 10dB is respectively 2.7472-5.6107GHz and 6.0916-9.1298.Fig. 3-6 is depicted as ultra wide band cup-shaped monopole antenna E face when 4GHz and 8GHz and the H face directional diagram respectively with stopband characteristic, as seen from the figure, when frequency is 4GHz, gain is 3.3dBi, the half power lobe width is 75.2 °, when frequency was 8GHz, gaining was that 2.3dBi, half power lobe width are 71.6 °.
Claims (8)
1. the ultra wide band cup-shaped monopole antenna with stopband characteristic is characterized in that comprising substrate (1), the semicircle radiation patch (2) of poroid hollow out, heptagon hollow out (3), circular hollow out (4), impedance matching input transmission line (5), metal ground plate (6); The surface of substrate (1) is provided with the semicircle radiation patch (2) of poroid hollow out, impedance matching input transmission line (5) and metal ground plate (6), the semicircle radiation patch of poroid hollow out (2) is provided with heptagon hollow out (3) and circular hollow out (4), the bottom, center of the semicircle radiation patch of poroid hollow out (2) is connected with impedance matching input transmission line (5) one ends, the other end of impedance matching input transmission line (5) is connected with the bottom of substrate (1), be provided with the metal ground plate (6) of symmetry apart from impedance matching input transmission line (5) two ends 1mm～2mm place, the bottom of metal ground plate (6) is connected with the bottom of substrate (1).
2. a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic as claimed in claim 1 is characterized in that described substrate (1) is the Taconic material.
3. a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic as claimed in claim 1, the width that it is characterized in that described substrate (1) is 30mm～40mm, highly is 30mm～40mm.
4. a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic as claimed in claim 1 is characterized in that the radius of the described semicircle radiation patch of poroid hollow out (2) is 10mm～15mm.
5. a kind of ultra wide band cup-shaped monopole antenna as claimed in claim 1 with stopband characteristic, the length of side that it is characterized in that described heptagon hollow out (3) is 2mm～3mm, is 1mm～2mm apart from the top distance, the distance between the hollow out is 5mm～10mm.
6. a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic as claimed in claim 1, the radius that it is characterized in that described circular hollow out (4) is 3mm～5mm.
7. a kind of ultra wide band cup-shaped monopole antenna with stopband characteristic as claimed in claim 1 is characterized in that the width of described impedance matching input transmission line (5) is 2mm～3mm, and length is 20mm～22mm.
8. a kind of ultra wide band cup-shaped monopole antenna as claimed in claim 1 with stopband characteristic, the length that it is characterized in that described metal ground plate (6) is 10mm～15mm, width is 15mm～20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048632 CN203103506U (en) | 2013-01-23 | 2013-01-23 | Ultra wide band cup-form monopole antenna with stop-band characteristic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320048632 CN203103506U (en) | 2013-01-23 | 2013-01-23 | Ultra wide band cup-form monopole antenna with stop-band characteristic |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203103506U true CN203103506U (en) | 2013-07-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320048632 Expired - Fee Related CN203103506U (en) | 2013-01-23 | 2013-01-23 | Ultra wide band cup-form monopole antenna with stop-band characteristic |
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| CN (1) | CN203103506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794875A (en) * | 2014-01-18 | 2014-05-14 | 中国计量学院 | Symmetrical semicircle opening-groove-shaped double-frequency coplane microstrip patch antenna |
-
2013
- 2013-01-23 CN CN 201320048632 patent/CN203103506U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103794875A (en) * | 2014-01-18 | 2014-05-14 | 中国计量学院 | Symmetrical semicircle opening-groove-shaped double-frequency coplane microstrip patch 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: 20130731 Termination date: 20140123 |