CN201188457Y - V-shaped multi-frequency band wideband patch antenna - Google Patents
V-shaped multi-frequency band wideband patch antenna Download PDFInfo
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- CN201188457Y CN201188457Y CN 200820033949 CN200820033949U CN201188457Y CN 201188457 Y CN201188457 Y CN 201188457Y CN 200820033949 CN200820033949 CN 200820033949 CN 200820033949 U CN200820033949 U CN 200820033949U CN 201188457 Y CN201188457 Y CN 201188457Y
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Abstract
The utility model discloses a V-shaped patch antenna with multi-band wideband characteristics. Both sides of a V-shaped groove are respectively provided with rectangular grooves for realizing the wide-frequency characteristics from 800 MHz to 960 MHz and carrying out tuning; the corner of the inner side of the V-shaped groove is provided with a central frequency-shifting groove for modulating a working band from 1710 MHz to 2500 MHz along the center line; both sides of an arrow patch are provided with appended patches. Due to the adoption of the structure, compared with the prior art, the utility model has the advantages that the multi-band wideband characteristics of the patch antenna are realized, the low profile characteristics of a microstrip antenna are presented, and particularly a band of 806 MHz to 2500 MHz available for mobile communication is included; the combined technologies of additionally grooving an original metal ground and adding the appended patches based on grooves on the original metal ground enable two bands to respectively achieve bandwidths of 17.05 percent and 38.1 percent on the basis that the low profile characteristics of the microstrip antenna are ensured. The utility model also has the advantages of simple manufacture, low operation cost and easy implementation, can work within various bands of a universal communication system, and is suitable for mass production.
Description
Technical field
The utility model relates to the antenna of mobile communication system and general-purpose system frequency domain, particularly a kind of V-arrangement multiple frequency bands broadband patch antenna that covers all available frequency bands of 800MHz-2500MHz.
Background technology.
Present arrival along with the 3G epoch, require the integrated of general utility functions in mobile communication, this just requires antenna to have the feature in multifrequency, broadband, paster antenna in the past generally comprises one to two frequency range wherein, the general frequency range of including mobile communication generally adopts antenna array and array-fed system, this antenna need be distinguished designing antenna unit and array, and complicated feeding network.Realize different frequency ranges with each sub antenna.Next is that the realization in broadband was to add the crack by air in the past, and the low section characteristic of microstrip antenna is difficult to realize like this.
The 23rd volume second phase of in April, 2007 " microwave journal ", by Zhang Junwen and clock paper that up time is shown " V-arrangement microstrip slot antenna ", this paper discloses to utilize the microstrip antenna band spread and increase the frequency technology is transformed utility model.The described V-arrangement microstrip slot antenna of paper is formed with the flechette-type end feeding microstrip line that is positioned at the dielectric substrate back side by opening isosceles right angle V-arrangement radiating slot on the metal floor.The disclosed technical scheme of this paper adopts single V-shaped groove to realize wideband, and frequency band is 1146MHz---the single frequency band of 1776MHz.Its weak point is confined to broadband properties from the angle of experiment, and the disclosed frequency band of paper available band in mobile communication system does not all have covering (for example immediate frequency band DCS:1710M-1880MHz) fully.
The utility model content
Technical problem to be solved in the utility model is, at the deficiencies in the prior art, provide a kind of make simple, cost is low, the V-arrangement multiple frequency bands broadband patch antenna of each general frequency range that can cover mobile communcations system.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of V-arrangement multiband, wideband patch antenna, open a V-shaped groove in the middle part of comprising the metal ground that is positioned on the substrate one side, flechette-type paster on substrate middle dielectric layer and the substrate another side, it is characterized in that: the both sides of described V-shaped groove are respectively equipped with the broadband properties that realizes 800MHz-960MHz and carry out tuning rectangular channel, and the corner of the inboard of V-shaped groove is provided with along center line and regulates 1710MHz---the center shift frequency groove of 2500MHz working frequency range; The both sides of described flechette-type paster are provided with parasitic patch; Be provided with the fixing tuning dual-purpose screw more than at least two on the described substrate symmetrically.The utility model at first improves V-shaped groove, make its band shift in mobile communication available band scope, and by fluting, add means such as parasitic patch and further expand bandwidth, above-mentioned technical scheme can realize 806MHz---the 960MHz frequency band that is to say that the utility model included existing mobile communication 800MHz---and all available frequency bands of 2500MHz.
The V-arrangement multiple frequency bands broadband patch antenna, the width of rebate of described rectangular channel equates.Metal ground symmetry is opened sipes, realizes wideband.
The V-arrangement multiple frequency bands broadband patch antenna, the width of rebate of described rectangular channel is unequal.Sipes and narrow groove are opened in metal ground, increase by 806 through optimizing---the 960M frequency.
The V-arrangement multiple frequency bands broadband patch antenna is characterized in that: an end of described rectangular channel is the groove mouth.
The V-arrangement multiple frequency bands broadband patch antenna, described rectangular channel for the sealing notch.
The V-arrangement multiple frequency bands broadband patch antenna, the arrow below of described flechette-type paster is provided with two parasitic patch symmetrically.Metal ground symmetry is opened sipes and is added parasitic patch realization wideband.
The V-arrangement multiple frequency bands broadband patch antenna, the edge of the both sides of described flechette-type paster to substrate both sides is provided with two parasitic patch symmetrically.
The V-arrangement multiple frequency bands broadband patch antenna is provided with four fixing tuning dual-purpose screws symmetrically on the described substrate.
V-arrangement multiple frequency bands broadband patch antenna, described center shift frequency groove are the rectangular channel of corner's opening that is positioned at the inboard of V-shaped groove.
The V-arrangement multiple frequency bands broadband patch antenna, because adopt said structure, compared with prior art, have the following advantages: (1) had both realized multifrequency, the broadband properties of paster antenna, embody the low section characteristic of microstrip antenna again, particularly included 806MHz--2500MHz mobile communication available frequency band.(2) employing is different from the traditional design thinking, designs multifrequency, broadband, low section paster antenna simultaneously, and this paster antenna need not be organized battle array, avoids complicated feed system by the single port feed, can realize multifrequency, broadband and low section.(3) on the basis of original metal ground fluting, additionally slot and add the technology that parasitic patch combines, on the basis that guarantees the low section of microstrip antenna, two frequency ranges reach 17.05% and 38.1% bandwidth respectively, this paster antenna is made simple, operating cost is low, be easy to realize, can work in each frequency range of conventional wireless communication systems, be fit to produce in batches.
Description of drawings
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail;
Fig. 1 is the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 1 structural representation;
Fig. 2 a, b are the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 2 structural representations;
Fig. 3 a, b are the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 3 structural representations;
Fig. 4 is the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 4 structural representations;
Fig. 5 is that the utility model is at 806--960MHz standing-wave ratio and the corresponding curve chart of correlated frequency;
Fig. 6 is that the utility model is at 1710--2500MHz standing-wave ratio and the corresponding curve chart of correlated frequency;
Fig. 7 is the utility model 0 degree and 90 gain diagram of spending at 0.9GHz;
Fig. 8 is the utility model 0 degree and 90 gain diagram of spending at 2.0GHz.
In Fig. 1～Fig. 4,1, metal ground; 2, flechette-type paster; 3, substrate; 4, rectangular channel; 5, V-shaped groove; 6, rectangular channel; 7, center shift frequency groove; 8, parasitic patch; 9, parasitic patch; 10, screw.
Embodiment
As Fig. 1～shown in Figure 4, a kind of V-arrangement multiple frequency bands broadband patch antenna, comprise that 1 middle part, metal ground that is positioned on substrate 3 one side opens a V-shaped groove 5, flechette-type paster 2 on substrate middle dielectric layer and substrate 3 another sides, the both sides of described V-shaped groove 5 are respectively equipped with the broadband properties that realizes 800MHz-960MHz and carry out tuning rectangular channel 4,6, and the corner of the inboard of V-shaped groove 5 is provided with the center shift frequency groove 7 of regulating the 1710MHz--2500MHz working frequency range along center line; Center shift frequency groove 7 is the rectangular channel of corner's opening of the inboard that is positioned at V-shaped groove 5.The both sides of described flechette-type paster 2 are provided with parasitic patch 8,9; Be provided with four fixing tuning dual-purpose screws 10 on the described substrate symmetrically.
Referring to Fig. 1, Fig. 1 is the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 1 structural representation, a V-shaped groove 5 is opened at 1 middle part, metal ground that is positioned on substrate 3 one sides, flechette-type paster 2 on substrate middle dielectric layer 3 and substrate 3 another sides (among Fig. 1 shown in the dotted line), the width of rectangular channel 4 is greater than rectangular channel 6, and an end of rectangular channel 4 is the groove mouth, is used to realize the broadband properties of 800M-960MHz, rectangular channel 6 carries out tuning, the center shift frequency groove 7 main 1710MHz-2500MHz working frequency range of regulating.
Referring to Fig. 2 a, b, Fig. 2 a, b are the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 2 structural representations; Fig. 2 a is the structural representation on 1 on metal ground, a V-shaped groove 5 is opened at 1 middle part, metal ground, the width of rectangular channel 4 equates with rectangular channel 6 width, the lower end that rectangular channel 4, rectangular channel 6 are positioned at substrate 3 is the groove mouth, be used to realize the broadband properties of 800MHz-960MHz, the center shift frequency groove 7 main 1710MHz-2500MHz working frequency range of regulating.Fig. 2 b is substrate 3 another side flechette-type pasters 2 structural representations.
Referring to Fig. 3 a, b, Fig. 3 a, b are the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 3 structural representations, Fig. 3 a is the structural representation on 1 on metal ground, a V-shaped groove 5 is opened at 1 middle part, metal ground, the width of rectangular channel 4 equates with rectangular channel 6 length and width, the lower end that rectangular channel 4, rectangular channel 6 are positioned at substrate 3 is the groove mouth, is used to realize the broadband properties of 800MHz-960MHz, the center shift frequency groove 7 main 1710MHz--2500MHz working frequency range of regulating.Fig. 3 b is substrate 3 another side flechette-type pasters 2 structural representations.The arrow below of flechette-type paster 2 is provided with two parasitic patch 8 symmetrically.The edge of the both sides of flechette-type paster 2 to substrate 3 both sides is provided with two parasitic patch 9 symmetrically.Parasitic patch 8, parasitic patch 9 are used for tuning.
Referring to Fig. 4, Fig. 4 is the utility model V-arrangement multiple frequency bands broadband patch antenna embodiment 4 structural representations; A V-shaped groove 5 is opened at 1 middle part, metal ground that is positioned on substrate 3 one sides, flechette-type paster 2 on substrate middle dielectric layer 3 and substrate 3 another sides (among Fig. 1 shown in the dotted line), the width of rectangular channel 4 is greater than rectangular channel 6, one end of rectangular channel 4 is the groove mouth, be used to realize the broadband properties of 800MHz-960MHz, rectangular channel 6 carries out tuning, the center shift frequency groove 7 main 1710MHz-2500MHz working frequency range of regulating.Be provided with four fixing tuning dual-purpose screws 10 on the substrate 3 symmetrically, fixedly being meant of screw is fixed on antenna on the corresponding antenna installation site.
Referring to Fig. 5, Fig. 5 is that the utility model is at 806MHz--960MHz standing-wave ratio and the corresponding curve chart of correlated frequency;
As we know from the figure, than less than 2, satisfy the standing-wave ratio requirement of mobile communication antenna in this frequency range at the frequency range standing internal wave of 806MHz-960MHz.
Referring to Fig. 6, Fig. 6 is that the utility model is at 1710-2500MHz standing-wave ratio and the corresponding curve chart of correlated frequency; As we know from the figure, than less than 1.85, satisfy the standing-wave ratio requirement of mobile communication antenna in this frequency range at the frequency range standing internal wave of 1710MHz-2500MHz.
Referring to Fig. 7, Fig. 7 is the utility model 0 degree and 90 gain diagram of spending at 0.9GHz; As we know from the figure, during 0.9GHz, on two the orthogonal plane directions vertical with antenna, antenna has omnidirectional's characteristic, and maximum gain is-0.96dB.
Referring to Fig. 8, Fig. 8 is the utility model 0 degree and 90 gain diagram of spending at 2.0G.As we know from the figure, during 2.0GHz, on two the orthogonal plane directions vertical with antenna, maximum gain is 6.0dB.
The V-arrangement multiple frequency bands broadband patch antenna is opened all kinds of grooves by the V-shaped groove face, all kinds of parasitic patch that add the flechette-type face realize increasing frequently, spread spectrum, and above structure working frequency scope comprises (806MHz-896MHz), GSM (890MHz-960MHz), DCS (1710MHz-1880MHz), PCS (1850MHz-1990MHz), UMTS (1920MHz-2170MHz) and WLANs (2400MHz-2484MHz).Feed belongs to the single port feed, and its outstanding advantage is to realize low section, and emulation thickness has only 1.5mm, need not auxiliary array, and is simple in structure, easy to make, low cost and other advantages.
In conjunction with the accompanying drawings the utility model has been carried out exemplary description above; obviously the utility model specific implementation is not subjected to the restriction of aforesaid way; as long as the various improvement of having adopted method design of the present utility model and technical scheme to carry out; or directly apply to other occasion without improvement, all within protection range of the present utility model.
Claims (9)
1, a kind of V-arrangement multiple frequency bands broadband patch antenna, open a V-shaped groove (5) in the middle part of comprising the metal ground (1) that is positioned on substrate (3) one side, flechette-type paster (2) on substrate middle dielectric layer and substrate (3) another side, it is characterized in that: the both sides of described V-shaped groove (5) are respectively equipped with the broadband properties that realizes 800MHz-960MHz and carry out tuning rectangular channel (4,6), and the corner of the inboard of V-shaped groove (5) is provided with the center shift frequency groove (7) of regulating the 1710MHz--2500MHz working frequency range along center line; The both sides of described flechette-type paster (2) are provided with parasitic patch (8,9); Be provided with the fixing tuning dual-purpose screw (10) more than at least two on the described substrate symmetrically.
2, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: the width of rebate of described rectangular channel (4,6) equates.
3, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: the width of rebate of described rectangular channel (4,6) is unequal.
4, according to claim 1 or 2 or 3 described a kind of V-arrangement multiple frequency bands broadband patch antennas, it is characterized in that: an end of described rectangular channel (4,6) is the groove mouth.
5, according to claim 1 or 2 or 3 described a kind of V-arrangement multiple frequency bands broadband patch antennas, it is characterized in that: described rectangular channel (4,6) for the sealing notch.
6, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: the arrow below of described flechette-type paster (2) is provided with two parasitic patch (8) symmetrically.
7, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 6 is characterized in that: the both sides of described flechette-type paster (2) to the edge of substrate (3) both sides is provided with two parasitic patch (9) symmetrically.
8, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: be provided with four fixing tuning dual-purpose screws (10) on the described substrate (3) symmetrically.
9, a kind of V-arrangement multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: described center shift frequency groove (7) is the rectangular channel of corner's opening of the inboard that is positioned at V-shaped groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820033949 CN201188457Y (en) | 2008-03-27 | 2008-03-27 | V-shaped multi-frequency band wideband patch antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200820033949 CN201188457Y (en) | 2008-03-27 | 2008-03-27 | V-shaped multi-frequency band wideband patch antenna |
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| Publication Number | Publication Date |
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| CN201188457Y true CN201188457Y (en) | 2009-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200820033949 Expired - Lifetime CN201188457Y (en) | 2008-03-27 | 2008-03-27 | V-shaped multi-frequency band wideband patch antenna |
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| CN (1) | CN201188457Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102088133A (en) * | 2010-12-13 | 2011-06-08 | 上海大学 | Indoor covering plane antenna in environment of metal ceiling |
| CN102176541A (en) * | 2011-03-14 | 2011-09-07 | 云南大学 | Three-frequency channel microstrip antenna used in wireless local area network |
| CN101276956B (en) * | 2008-03-27 | 2012-04-25 | 芜湖睿尔科技有限公司 | V-shaped multiple frequency bands broadband patch antenna |
-
2008
- 2008-03-27 CN CN 200820033949 patent/CN201188457Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101276956B (en) * | 2008-03-27 | 2012-04-25 | 芜湖睿尔科技有限公司 | V-shaped multiple frequency bands broadband patch antenna |
| CN102088133A (en) * | 2010-12-13 | 2011-06-08 | 上海大学 | Indoor covering plane antenna in environment of metal ceiling |
| CN102176541A (en) * | 2011-03-14 | 2011-09-07 | 云南大学 | Three-frequency channel microstrip antenna used in wireless local area network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20090128 Effective date of abandoning: 20080327 |