CN201689984U - Small-sized multilayer microstrip antenna convenient for debugging voltage standing wave ratio - Google Patents
Small-sized multilayer microstrip antenna convenient for debugging voltage standing wave ratio Download PDFInfo
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- CN201689984U CN201689984U CN2010201522580U CN201020152258U CN201689984U CN 201689984 U CN201689984 U CN 201689984U CN 2010201522580 U CN2010201522580 U CN 2010201522580U CN 201020152258 U CN201020152258 U CN 201020152258U CN 201689984 U CN201689984 U CN 201689984U
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Abstract
The utility model discloses a small-sized multilayer microstrip antenna convenient for debugging voltage standing wave ratio. An antenna housing is sequentially provided with a first air dielectric layer, a first metal radiating patch, a second air dielectric layer, an earthing metal plate, a first dielectric substrate, a microstrip exciting line, a third air dielectric layer and a metal reflecting bottom plate from top to bottom, wherein the upper end face of the earthing metal plate is provided with a stimulated radiation microgroove; the first metal radiating patch is circular, and the center is fixed with an adjusting screw rod; and the fixing of the first metal radiating patch is realized through the screwed connection of the adjusting screw rod and internal screw threads at the center of the antenna housing. The solution is beneficial to fine tune the height between the first metal radiating patch and the stimulated radiation microgroove by rotating the screw rod outside the antenna housing, the input and output port voltage standing wave ratio of the antenna is adjusted conveniently, the antenna is matched with the impedance of the microstrip exciting line, and the antenna gain is improved. The first metal radiating patch is circular, so that a variable exists during adjustment, the adjustment is convenient and fast, and the production efficiency is greatly improved.
Description
Technical field
The utility model relates to a kind of antenna assembly, and particularly a kind of convenience is debugged the small-sized multi-layer microstrip antenna of voltage standing wave ratio, belongs to the antenna technical field of mobile communication and Internet technology.
Background technology
In recent years, fast development along with mobile communication technology and Internet technology, many batches of new hot spot technologies produce, arise at the historic moment as mobile Internet, WiMAX local area network (LAN), metropolitan area network, Internet of Things etc., press for the capacity and the message transmission rate that adopt multi-antenna technology (being multiple-input and multiple-output MIMO technology) to improve radio communication channel transmission information.And all traditional microwave low-waveband micro-strip array antennas are formed linear array by the single polarization microband antenna unit at present, exist the shortcoming of inefficiency, the huge heaviness of the bodily form, installation and maintenance difficulty, far can not adapt to the requirement of the development of mobile communication technology antenna technology.
The utility model content
Technical problem to be solved in the utility model is, overcomes the shortcoming of traditional microwave low-waveband microstrip antenna, and the small-sized multi-layer microstrip antenna of the convenient debugging voltage standing wave ratio that a kind of working band is wide, gain is high, cross polarization isolation is good is provided.
The technical scheme that its technical problem that solves the utility model adopts is as follows: a kind of small-sized multi-layer microstrip antenna of convenient debugging voltage standing wave ratio, it is characterized in that having the first air dielectric layer in the radome from top to bottom successively, the first metal radiation fin, the second air dielectric layer, grounded metal sheet, first dielectric substrate, the micro-strip excitation line, the 3rd air dielectric layer, the metallic reflection base plate, described grounded metal sheet shop overlays on the upper surface of first dielectric substrate, and fixedly connected with the hollow metal bearing on being fixed on the metallic reflection base plate, the upper surface of described grounded metal sheet has the stimulated radiation microflute, the described first metal radiation fin is circular, its central authorities are fixed with adjusting screw(rod), and realize the fixing of the first metal radiation fin by being spirally connected of this adjusting screw(rod) and radome central authorities internal thread.
This programme helps in radome outside finely tuning by rotary screw the height between the first metal radiation fin and the stimulated radiation microflute, the convenient antenna input/output port voltage standing wave ratio of regulating, and with micro-strip excitation line impedence coupling, the raising antenna gain.Because the first metal radiation fin be circular, only there is a variable when therefore regulating, so regulates very convenient, fastly, improved production efficiency greatly.
The further technical scheme of the utility model is as follows:
1, the lower surface of first dielectric substrate is provided with the mutually orthogonal and discontiguous bipolar micro-strip excitation line of front end, the upper surface of described grounded metal sheet has two mutually orthogonal and discontiguous stimulated radiation microflutes, and described two stimulated radiation microflutes are corresponding with the front end difference quadrature of bipolar micro-strip excitation line.
2, have the second metal radiation fin and second dielectric substrate that is arranged in the second air dielectric layer, fit and be integral in the upper surface of the lower surface of the described second metal radiation fin and second dielectric substrate, and fixedly connected with the hollow metal bearing on being fixed on the metallic reflection base plate, below second dielectric substrate, form the 4th air dielectric layer.This technical scheme helps the working band width characteristic of further broadening antenna.
3, have the second metal radiation fin and the dielectric substrate seat that is arranged in the second air dielectric layer, the described second metal radiation fin is fixed on the dielectric substrate seat, the dielectric substrate seat is fixed on the hollow metal bearing, forms the 4th air dielectric layer below the second metal radiation fin.This technical scheme helps further increasing the working band width of antenna equally.
4, the described second metal radiation fin is circular, and convenient voltage standing wave ratio of regulating the antenna input/output port with micro-strip excitation line impedence coupling, improves antenna gain.
5, two stimulated radiation microflute sizes on the described grounded metal sheet equate, are two " H " shapes, and the middle transverse arm of two " H " shape is mutually orthogonal.This technical scheme helps dual polarization stimulated radiation microflute is opened on the less grounded metal sheet of area, in order to realize the miniaturization of antenna.
6, the angle of the X-axis of transverse arm and grounded metal sheet or Y-axis is positive and negative 45 degree in the middle of " H " shape of described two " H " shape stimulated radiation microflutes.This technical scheme further makes full use of the effective area of grounded metal sheet, in order to realize the miniaturization of antenna.
The utility model designs double polarized micro strip antenna in a relative smaller volume with the multilayer irradiation structure, and layout is ingenious, compact conformation.Facts have proved that the utility model antenna work frequency relative bandwidth can reach more than 20%, high 9dBi gains, dual polarization intersection isolation good (30dB), a pair of dual polarized antenna unit just can be supported one 2 * 2 mimo system, because volume is little, in light weight, therefore require low to antenna installing space and load-bearing, processing and fabricating and installation, maintenance are all more convenient, be suitable for the composition aerial array, can effectively save antenna installation cost and maintenance cost, in mobile communication and Internet technical field, be used widely.
Description of drawings
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is the utility model embodiment 1 cutaway view.
Fig. 2 is the vertical view after the utility model embodiment 1 removes cover plate.
Fig. 3 is the utility model embodiment 2 cutaway views.
Embodiment
Embodiment 1:
The small-sized multi-layer microstrip antenna of the convenient debugging voltage standing wave ratio of present embodiment, as Fig. 1, shown in Figure 2, has the first air dielectric layer 2 in its radome 1 from top to bottom successively, the first metal radiation fin 3, the second air dielectric layer 4, grounded metal sheet 5, first dielectric substrate 6, micro-strip excitation line 7,7 ' (present embodiment is bipolar microstrip antenna), the 3rd air dielectric layer 8, metallic reflection base plate 9, the described first metal radiation fin 3 is connected with radome 1 by screw rod 10, described grounded metal sheet 5 shops overlay on the upper surface of first dielectric substrate 6, and fixedly connected with the hollow metal bearing 11 on being fixed on metallic reflection base plate 9, the upper surface of described grounded metal sheet 5 has stimulated radiation microflute 12,12 ' (this example is bipolar microstrip antenna), the described first metal radiation fin 3 is circular, its central authorities are fixed with adjusting screw(rod) 10, and realize the fixing of the first metal radiation fin 3 by this adjusting screw(rod) 10 and being spirally connected of radome 1 central internal thread.The lower surface of described first dielectric substrate 6 is laid with the mutually orthogonal and discontiguous bipolar micro-strip excitation line 7 of front end, the upper surface of described grounded metal sheet 5 have two mutually orthogonal and discontiguous stimulated radiation microflutes 12,12 ', described two stimulated radiation microflutes 12,12 ' with bipolar micro-strip excitation line 7,7 ' front end quadrature is corresponding respectively.
As shown in Figure 2, two stimulated radiation microflutes 12 on the grounded metal sheet 5,12 ' size equate, are two " H " shapes, and the middle transverse arm of two " H " shape is mutually orthogonal.This technical scheme helps dual polarization stimulated radiation microflute is opened on the less grounded metal sheet of area, in order to realize the miniaturization of antenna.Two " H " shape stimulated radiation microflute 12,12 ' " H " shape in the middle of the angle of the X-axis of transverse arm and grounded metal sheet or Y-axis be positive and negative 45 to spend.This technical scheme further makes full use of the effective area of grounded metal sheet, in order to realize the miniaturization of antenna.
Embodiment 2:
The small-sized multi-layer microstrip antenna of the convenient debugging voltage standing wave ratio of present embodiment, as shown in Figure 3, it is based on the structure of embodiment 1, also be provided with the second metal radiation fin 13 and second dielectric substrate 14 that are arranged in the second air dielectric layer 4, fit and be integral in the upper surface of the lower surface of the described second metal radiation fin 13 and second dielectric substrate 14, and fixedly connected with the hollow metal bearing 11 on being fixed on metallic reflection base plate 9, below second dielectric substrate 14, form the 4th air dielectric layer 15.This technical scheme helps further increasing the working band width of antenna.The described second metal radiation fin 13 is circular, and the convenient antenna input/output port voltage standing wave ratio of regulating with micro-strip excitation line impedence coupling, improves antenna gain.
In addition, also has a kind of technical scheme that is equal in this routine scheme, promptly in the second air dielectric layer the second metal radiation fin and dielectric substrate seat are set, the second metal radiation fin is fixed on the dielectric substrate seat, the dielectric substrate seat is fixed on the hollow metal bearing, forms the 4th air dielectric layer below the second metal radiation fin.This technical scheme helps further increasing the working band width of antenna equally.
In addition to the implementation, the utility model can also have other execution modes.All employings are equal to the technical scheme of replacement or equivalent transformation formation, all drop on the protection range of the utility model requirement.
Claims (7)
1. a convenience is debugged the small-sized multi-layer microstrip antenna of voltage standing wave ratio, it is characterized in that having the first air dielectric layer in the radome from top to bottom successively, the first metal radiation fin, the second air dielectric layer, grounded metal sheet, first dielectric substrate, the micro-strip excitation line, the 3rd air dielectric layer, the metallic reflection base plate, described grounded metal sheet shop overlays on the upper surface of first dielectric substrate, and fixedly connected with the hollow metal bearing on being fixed on the metallic reflection base plate, the upper surface of described grounded metal sheet has the stimulated radiation microflute, the described first metal radiation fin is circular, its central authorities are fixed with adjusting screw(rod), and realize the fixing of the first metal radiation fin by being spirally connected of this adjusting screw(rod) and radome central authorities internal thread.
2. the small-sized multi-layer microstrip antenna of convenient debugging voltage standing wave ratio according to claim 1, it is characterized in that: the lower surface of described first dielectric substrate is laid with the mutually orthogonal and discontiguous bipolar micro-strip excitation line of front end, the upper surface of described grounded metal sheet has two mutually orthogonal and discontiguous stimulated radiation microflutes, and described two stimulated radiation microflutes are corresponding with the front end difference quadrature of bipolar micro-strip excitation line.
3. the small-sized multi-layer microstrip antenna of convenient debugging voltage standing wave ratio according to claim 2, it is characterized in that: have the second metal radiation fin and second dielectric substrate that are arranged in the second air dielectric layer, fit and be integral in the upper surface of the lower surface of the described second metal radiation fin and second dielectric substrate, and fixedly connected with the hollow metal bearing on being fixed on the metallic reflection base plate, below second dielectric substrate, form the 4th air dielectric layer.
4. the small-sized multi-layer microstrip antenna of convenient debugging voltage standing wave ratio according to claim 2, it is characterized in that: have the second metal radiation fin and the dielectric substrate seat that are arranged in the second air dielectric layer, the described second metal radiation fin is fixed on the dielectric substrate seat, the dielectric substrate seat is fixed on the hollow metal bearing, forms the 4th air dielectric layer below the second metal radiation fin.
5. according to the small-sized multi-layer microstrip antenna of claim 3 or 4 described convenient debugging voltage standing wave ratioes, it is characterized in that: the described second metal radiation fin is for circular.
6. the small-sized multi-layer microstrip antenna of convenient debugging voltage standing wave ratio according to claim 5 is characterized in that: two stimulated radiation microflute sizes on the described grounded metal sheet equate, are two " H " shapes, and the middle transverse arm of two " H " shape is mutually orthogonal.
7. the small-sized multi-layer microstrip antenna of convenient debugging voltage standing wave ratio according to claim 6 is characterized in that: the angle of the X-axis of transverse arm and grounded metal sheet or Y-axis is positive and negative 45 degree in the middle of " H " shape of described two " H " shape stimulated radiation microflutes.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201522580U CN201689984U (en) | 2010-04-07 | 2010-04-07 | Small-sized multilayer microstrip antenna convenient for debugging voltage standing wave ratio |
| EP11765012.7A EP2565985A4 (en) | 2010-04-07 | 2011-04-19 | Dual-polarized microstrip antenna |
| PCT/CN2011/000682 WO2011124094A1 (en) | 2010-04-07 | 2011-04-19 | Dual-polarized microstrip antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201522580U CN201689984U (en) | 2010-04-07 | 2010-04-07 | Small-sized multilayer microstrip antenna convenient for debugging voltage standing wave ratio |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201689984U true CN201689984U (en) | 2010-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201522580U Expired - Fee Related CN201689984U (en) | 2010-04-07 | 2010-04-07 | Small-sized multilayer microstrip antenna convenient for debugging voltage standing wave ratio |
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| CN (1) | CN201689984U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124094A1 (en) * | 2010-04-07 | 2011-10-13 | Zhuang Kunjie | Dual-polarized microstrip antenna |
| CN103222114A (en) * | 2010-09-07 | 2013-07-24 | 庄昆杰 | Dual-polarized microstrip antenna |
| CN103606735A (en) * | 2013-12-09 | 2014-02-26 | 南京逐月电子科技有限公司 | Near-field RFID (radio frequency identification) reader antenna for UHF (ultra high frequency) band |
| CN107181058A (en) * | 2017-05-25 | 2017-09-19 | 广东工业大学 | A kind of new dualbeam directed radiation MIMO paster antennas and mobile terminal |
| CN110544816A (en) * | 2019-08-30 | 2019-12-06 | 歌尔科技有限公司 | antenna of wearable device and wearable device |
| CN111740211A (en) * | 2019-03-25 | 2020-10-02 | 华为技术有限公司 | Antenna housing and base station antenna |
-
2010
- 2010-04-07 CN CN2010201522580U patent/CN201689984U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011124094A1 (en) * | 2010-04-07 | 2011-10-13 | Zhuang Kunjie | Dual-polarized microstrip antenna |
| CN103222114A (en) * | 2010-09-07 | 2013-07-24 | 庄昆杰 | Dual-polarized microstrip antenna |
| US9030364B2 (en) | 2010-09-07 | 2015-05-12 | Kunjie Zhuang | Dual-polarized microstrip antenna |
| CN103606735A (en) * | 2013-12-09 | 2014-02-26 | 南京逐月电子科技有限公司 | Near-field RFID (radio frequency identification) reader antenna for UHF (ultra high frequency) band |
| CN107181058A (en) * | 2017-05-25 | 2017-09-19 | 广东工业大学 | A kind of new dualbeam directed radiation MIMO paster antennas and mobile terminal |
| CN107181058B (en) * | 2017-05-25 | 2022-12-30 | 广东工业大学 | Novel dual-beam directional radiation MIMO patch antenna and mobile terminal |
| CN111740211A (en) * | 2019-03-25 | 2020-10-02 | 华为技术有限公司 | Antenna housing and base station antenna |
| CN110544816A (en) * | 2019-08-30 | 2019-12-06 | 歌尔科技有限公司 | antenna of wearable device and wearable device |
| CN110544816B (en) * | 2019-08-30 | 2022-10-14 | 歌尔科技有限公司 | Antenna of wearable device and wearable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20101229 Termination date: 20180407 |