CN204857938U - WIFI antenna of imitative plane shape of falling F - Google Patents
WIFI antenna of imitative plane shape of falling F Download PDFInfo
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- CN204857938U CN204857938U CN201520577850.8U CN201520577850U CN204857938U CN 204857938 U CN204857938 U CN 204857938U CN 201520577850 U CN201520577850 U CN 201520577850U CN 204857938 U CN204857938 U CN 204857938U
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Abstract
The utility model discloses a WIFI antenna of imitative plane shape of falling F, including base plate and metal grounding plate, metal grounding plate is located the lower surface of base plate, is equipped with L shape feed area, rectangle short circuit area, L shape short circuit area and L shape radiation zone above the base plate, L shape feed area, rectangle short circuit area, L shape short circuit area and L shape radiation zone constitute a holistic F shape structure, L shape feed area holds the rectangle paster no. 2 of minor matters rectangle paster no. 1 and perpendicular to base plate to constitute by the feed that is on a parallel with the base plate, L shape short circuit area comprises the rectangle paster no. 3 that is on a parallel with the base plate and the rectangle paster no. 4 of perpendicular to base plate. The utility model discloses bandwidth has been widened to can satisfy the demand of people in the aspect of to wireless communication system speed, capacity and security, just the utility model discloses the volume is less, is convenient for make and the installation, also is favorable to reduce cost.
Description
Technical field
The utility model relates to wireless communication technology field, particularly relates to a kind of WIFI antenna of imitative plane inverse-F shape.
Background technology
Antenna is the indispensable part of institute's wire/wireless communication system, carry the signal sent by transmitter and change into electromagnetic form with to spatial, or become high-frequency signal to receive for receiver the electromagnetic signal development of evil in febrile disease in free space, thus realize the spacing wave exchange process of radio communication, wherein Planar inverted F antennas (PIFA) is that current communication equipment adopts more a kind of built-in antenna, PIFA have be easy to make, low and the advantages of simple structure and simple of cost, but traditional PIFA only has left and right 8% bandwidth, bandwidth is narrower, people cannot be met to wireless communication system speed, the demand of capacity and fail safe aspect, open up wide band scope and become very urgent.
Utility model content
For deficiency of the prior art, the utility model provides a kind of WIFI antenna of imitative plane inverse-F shape.
To achieve these goals, technical solution adopted in the utility model is:
A kind of WIFI antenna of imitative plane inverse-F shape, comprise substrate 1 and metal ground plate 6, described metal ground plate 6 is positioned at the lower surface of substrate 1, be provided with L shape feed strip 2, rectangle short circuit band 3, L shape short circuit band 4 and L shape radiation zone 5 above substrate 1, described L shape feed strip 2, rectangle short circuit band 3, L shape short circuit band 4 and L shape radiation zone 5 form an overall F shape structure, described L shape feed strip 2 is by being parallel to the feed end minor matters rectangular patch one of substrate 1 and forming perpendicular to the rectangular patch two of substrate 1, described L shape short circuit band 4 is by being parallel to the rectangular patch three of substrate 1 and forming perpendicular to the rectangular patch four of substrate 1, described L shape radiation zone 5 is made up of the horizontal rectangular patch five perpendicular to substrate 1 and the longitudinal rectangular patch six perpendicular to substrate 1, rectangular patch two upper end of L shape feed strip 2 is connected with horizontal rectangular patch five lower-left end on L shape radiation zone 5, the bottom of rectangle short circuit band 3 extends to metal ground plate 6 through substrate 1, the top of rectangle short circuit band 3 is connected with rectangular patch three in L shape short circuit band 4 minor matters being parallel to substrate 1, on L shape radiation zone 5, longitudinal rectangular patch six bottom righthand side is connected with perpendicular to rectangular patch four lower end in L shape short circuit band 4 minor matters of substrate 1.
Preferably, the length of described substrate 1 is 200mm ~ 210mm, and the width of substrate 1 is 50mm ~ 55mm, and the thickness of substrate 1 is 0.8mm ~ 1mm.
Preferably, the length of described rectangular patch one is 5.5mm ~ 6mm, and the width of rectangular patch one is 4mm ~ 4.5mm; The length of described rectangular patch two is 4mm ~ 4.5mm, and the width of rectangular patch two is 3mm ~ 3.5mm.
Preferably, the length of described rectangle short circuit band 3 is 3.6mm ~ 4mm, and the width of rectangle short circuit band 3 is 1.8mm ~ 2mm.
Preferably, the length of described rectangular patch three is 5.5mm ~ 6mm, and the width of rectangular patch three is 3.6mm ~ 4mm; The length of described rectangular patch four is 3.6mm ~ 4mm, and the width of rectangular patch four is 3mm ~ 3.5mm.
Preferably, the length of described horizontal rectangular patch five is 8mm ~ 8.5mm, and the width of horizontal rectangular patch five is 2mm ~ 2.5mm; The length of described longitudinal rectangular patch six is 22.5mm ~ 25mm, and the width of longitudinal rectangular patch six is 4mm ~ 4.5mm.
Preferably, the length of described metal ground plate 6 is 194.5mm ~ 204.5mm, and the width of metal ground plate 6 is 50mm ~ 55mm.
The beneficial effects of the utility model: compared with prior art, the utility model is provided with L shape feed strip, rectangle short circuit band, L shape short circuit band and L shape radiation zone in surface, described L shape feed strip, rectangle short circuit band, L shape short circuit band and L shape radiation zone form an overall F shape structure, be conducive to having widened frequency bandwidth, thus the demand of people to wireless communication system speed, capacity and fail safe aspect can be met, and the utility model small volume, be convenient to manufacture and install, be also conducive to reducing costs.
Accompanying drawing explanation
Fig. 1 is board structure schematic diagram of the present utility model;
Fig. 2 is metal ground plate structural representation of the present utility model
Fig. 3 is return loss plot of the present utility model;
Fig. 4 is the xy face of antenna of the present utility model when 2.5GHz, xz face, yz surface radiation directional diagram.
Embodiment
As depicted in figs. 1 and 2, a kind of WIFI antenna of imitative plane inverse-F shape, comprise substrate 1 and metal ground plate 6, described metal ground plate 6 is positioned at the lower surface of substrate 1, be provided with L shape feed strip 2, rectangle short circuit band 3, L shape short circuit band 4 and L shape radiation zone 5 above substrate 1, described L shape feed strip 2, rectangle short circuit band 3, L shape short circuit band 4 and L shape radiation zone 5 form an overall F shape structure, described L shape feed strip 2 is by being parallel to the feed end minor matters rectangular patch one of substrate 1 and forming perpendicular to the rectangular patch two of substrate 1, described L shape short circuit band 4 is by being parallel to the rectangular patch three of substrate 1 and forming perpendicular to the rectangular patch four of substrate 1, described L shape radiation zone 5 is made up of the horizontal rectangular patch five perpendicular to substrate 1 and the longitudinal rectangular patch six perpendicular to substrate 1, rectangular patch two upper end of L shape feed strip 2 is connected with horizontal rectangular patch five lower-left end on L shape radiation zone 5, the bottom of rectangle short circuit band 3 extends to metal ground plate 6 through substrate 1, the top of rectangle short circuit band 3 is connected with rectangular patch three in L shape short circuit band 4 minor matters being parallel to substrate 1, on L shape radiation zone 5, longitudinal rectangular patch six bottom righthand side is connected with perpendicular to rectangular patch four lower end in L shape short circuit band 4 minor matters of substrate 1.
Preferably, the length of described substrate 1 is 200mm ~ 210mm, and the width of substrate 1 is 50mm ~ 55mm, and the thickness of substrate 1 is 0.8mm ~ 1mm; The length of described rectangular patch one is 5.5mm ~ 6mm, and the width of rectangular patch one is 4mm ~ 4.5mm, and the length of described rectangular patch two is 4mm ~ 4.5mm, and the width of rectangular patch two is 3mm ~ 3.5mm; The length of described rectangle short circuit band 3 is 3.6mm ~ 4mm, and the width of rectangle short circuit band 3 is 1.8mm ~ 2mm; The length of described rectangular patch three is 5.5mm ~ 6mm, and the width of rectangular patch three is 3.6mm ~ 4mm, and the length of described rectangular patch four is 3.6mm ~ 4mm, and the width of rectangular patch four is 3mm ~ 3.5mm; The length of described horizontal rectangular patch five is 8mm ~ 8.5mm, and the width of horizontal rectangular patch five is 2mm ~ 2.5mm, and the length of described longitudinal rectangular patch six is 22.5mm ~ 25mm, and the width of longitudinal rectangular patch six is 4mm ~ 4.5mm; The length of described metal ground plate 6 is 194.5mm ~ 204.5mm, and the width of metal ground plate 6 is 50mm ~ 55mm.
Substrate 1 of the present utility model is the glass-epoxy material of dielectric constant 4.4, and the length of substrate 1 is 200mm, and the width of substrate 1 is 50mm, and the thickness of substrate 1 is 0.8mm; In L shape feed strip 2, the length of the length of rectangular patch one to be the width of rectangular patch one in 5.5mm, L shape feed strip 2 be rectangular patch two in 4mm, L shape feed strip 2 is the width of rectangular patch two in 4mm, L shape feed strip 2 is 3mm; The length of rectangle short circuit band 3 is 3.6mm, and the width of rectangle short circuit band 3 is 1.8mm; In L shape short circuit band 4, the length of the length of rectangular patch three to be the width of rectangular patch three in 5.5mm, L shape short circuit band 4 be rectangular patch four in 3.6mm, L shape short circuit band 4 is the width of rectangular patch four in 3.6mm, L shape short circuit band 4 is 3mm; In L shape radiation zone 5, the length of the length of horizontal rectangular patch five to be the width of horizontal rectangular patch five in 8mm, L shape radiation zone 5 be longitudinal rectangular patch six in 2mm, L shape radiation zone 5 is the width of longitudinal rectangular patch six in 22.5mm, L shape radiation zone 5 is 4mm; The length of metal ground plate 6 is 194.5mm, and the width of metal ground plate 6 is 50mm.Property indices of the present utility model adopts HFSS software to emulate, the return loss plot of gained as shown in Figure 3, as seen from Figure 3, the working frequency range of below-6dB is 2.223GHz ~ 2.96GHz, be illustrated in figure 4 the xy face of antenna when 2.5GHz, xz face, yz surface radiation directional diagram, as seen from Figure 4, when frequency is 2.5GHz, gain is 4.22dBi.The utility model is bandwidth not only, and the low and radiation characteristic of loss is effective etc.
The beneficial effects of the utility model: compared with prior art, the utility model is provided with L shape feed strip, rectangle short circuit band, L shape short circuit band and L shape radiation zone in surface, described L shape feed strip, rectangle short circuit band, L shape short circuit band and L shape radiation zone form an overall F shape structure, be conducive to having widened frequency bandwidth, thus the demand of people to wireless communication system speed, capacity and fail safe aspect can be met, and the utility model small volume, be convenient to manufacture and install, be also conducive to reducing costs.
Claims (7)
1. the WIFI antenna of an imitative plane inverse-F shape, comprise substrate and metal ground plate, described metal ground plate is positioned at the lower surface of substrate, it is characterized in that: surface is provided with L shape feed strip, rectangle short circuit band, L shape short circuit band and L shape radiation zone, described L shape feed strip, rectangle short circuit band, L shape short circuit band and L shape radiation zone form an overall F shape structure, described L shape feed strip is by being parallel to the feed end minor matters rectangular patch one of substrate and forming perpendicular to the rectangular patch two of substrate, described L shape short circuit band is by being parallel to the rectangular patch three of substrate and forming perpendicular to the rectangular patch four of substrate, described L shape radiation zone is made up of the horizontal rectangular patch five perpendicular to substrate and the longitudinal rectangular patch six perpendicular to substrate, rectangular patch two upper end of L shape feed strip is connected with horizontal rectangular patch five lower-left end on L shape radiation zone, the bottom of rectangle short circuit band extends to metal ground plate through substrate, the top of rectangle short circuit band is connected with rectangular patch three in the L shape short circuit band minor matters being parallel to substrate, on L shape radiation zone, longitudinal rectangular patch six bottom righthand side is connected with perpendicular to rectangular patch four lower end in the L shape short circuit band minor matters of substrate.
2. the WIFI antenna of a kind of imitative plane inverse-F shape as claimed in claim 1, it is characterized in that: the length of described substrate is 200mm ~ 210mm, the width of substrate is 50mm ~ 55mm, and the thickness of substrate is 0.8mm ~ 1mm.
3. the WIFI antenna of a kind of imitative plane inverse-F shape as claimed in claim 1, it is characterized in that: the length of described rectangular patch one is 5.5mm ~ 6mm, the width of rectangular patch one is 4mm ~ 4.5mm; The length of described rectangular patch two is 4mm ~ 4.5mm, and the width of rectangular patch two is 3mm ~ 3.5mm.
4. the WIFI antenna of a kind of imitative plane inverse-F shape as claimed in claim 1, it is characterized in that: the length of described rectangle short circuit band is 3.6mm ~ 4mm, the width of rectangle short circuit band is 1.8mm ~ 2mm.
5. the WIFI antenna of a kind of imitative plane inverse-F shape as claimed in claim 1, it is characterized in that: the length of described rectangular patch three is 5.5mm ~ 6mm, the width of rectangular patch three is 3.6mm ~ 4mm; The length of described rectangular patch four is 3.6mm ~ 4mm, and the width of rectangular patch four is 3mm ~ 3.5mm.
6. the WIFI antenna of a kind of imitative plane inverse-F shape as claimed in claim 1, it is characterized in that: the length of described horizontal rectangular patch five is 8mm ~ 8.5mm, the width of horizontal rectangular patch five is 2mm ~ 2.5mm; The length of described longitudinal rectangular patch six is 22.5mm ~ 25mm, and the width of longitudinal rectangular patch six is 4mm ~ 4.5mm.
7. the WIFI antenna of a kind of imitative plane inverse-F shape as claimed in claim 1, it is characterized in that: the length of described metal ground plate is 194.5mm ~ 204.5mm, the width of metal ground plate is 50mm ~ 55mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577850.8U CN204857938U (en) | 2015-08-04 | 2015-08-04 | WIFI antenna of imitative plane shape of falling F |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520577850.8U CN204857938U (en) | 2015-08-04 | 2015-08-04 | WIFI antenna of imitative plane shape of falling F |
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| Publication Number | Publication Date |
|---|---|
| CN204857938U true CN204857938U (en) | 2015-12-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520577850.8U Active CN204857938U (en) | 2015-08-04 | 2015-08-04 | WIFI antenna of imitative plane shape of falling F |
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| Country | Link |
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| CN (1) | CN204857938U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374210A (en) * | 2016-10-27 | 2017-02-01 | 同济大学 | Antenna device |
-
2015
- 2015-08-04 CN CN201520577850.8U patent/CN204857938U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106374210A (en) * | 2016-10-27 | 2017-02-01 | 同济大学 | Antenna device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 201203, room 560, 208, midsummer Road, Shanghai, Pudong New Area Patentee after: SHANGHAI SLIONTEK CO., LTD. Address before: 201203, room 560, 208, midsummer Road, Shanghai, Putuo District Patentee before: SHANGHAI SLIONTEK CO., LTD. |
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| TR01 | Transfer of patent right |
Effective date of registration: 20191220 Address after: 310013 room 409, floor 4, building 1, No. 252, Wantang Road, Hangzhou City, Zhejiang Province Patentee after: Hangzhou Rong Qi Science and Technology Ltd. Address before: 201203, room 560, 208, midsummer Road, Shanghai, Pudong New Area Patentee before: SHANGHAI SLIONTEK CO., LTD. |
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| TR01 | Transfer of patent right |