CN201167135Y - Combined multi-frequency band wideband patch antenna - Google Patents
Combined multi-frequency band wideband patch antenna Download PDFInfo
- Publication number
- CN201167135Y CN201167135Y CNU2008200339504U CN200820033950U CN201167135Y CN 201167135 Y CN201167135 Y CN 201167135Y CN U2008200339504 U CNU2008200339504 U CN U2008200339504U CN 200820033950 U CN200820033950 U CN 200820033950U CN 201167135 Y CN201167135 Y CN 201167135Y
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- paster
- patch antenna
- short circuit
- composite type
- frequency bands
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Abstract
The utility model discloses a combined multiple frequency range and wideband patch antenna, which is characterized in that the patch antenna comprises more than one patch, a short circuit current suppressing probe, a U-shaped feed piece of widening frequency band, a metal ground and a coaxial line; a rectangular notch and an L-shaped notch for increasing frequency points are formed on the patch and connected with the metal ground through the short circuit current suppressing probe; the coaxial line passes through the metal ground, and forms an antenna feed system by the connection with the patch through the U-shaped feed piece of widening frequency band. Compared with the prior art, the patch antenna has the following advantages: (1) the characteristics of multiple frequency and wideband can be realized at the same time; (2) by adopting the techniques of notching on the patch and combining the short circuit current suppressing probe with the U-shaped feed piece of widening frequency band, the two frequency ranges achieve the bandwidths of 22.2% and 66.7% respectively. The patch antenna has simple production, low running cost and easy implement, and can work in each frequency range of a universal communication system, thereby suiting 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 composite type 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, realizes different frequency ranges with each sub antenna.This antenna need be distinguished designing antenna unit and array, and complicated feeding network.
The utility model content
Technical problem to be solved in the utility model is, provide a kind of make simple, cost is low, composite type multiband, the wideband patch antenna that can cover each general frequency range of mobile communcations system and general-purpose system frequency domain.
For solving the problems of the technologies described above, the technical solution of the utility model is, a kind of composite type multiband, wideband patch antenna, it is characterized in that: described paster antenna comprises the above paster of one deck at least, " U " shape feed tab of short circuit suppression probe, widening frequency band, metal ground, coaxial line is formed, described paster is provided with rectangular channel and " L " shape groove that increases frequency, and be connected with metal ground by short circuit suppression probe, described coaxial line passes metal ground and is connected to form antenna feed system by widening frequency band " U " shape feed tab and paster.The 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, need not auxiliary array, and simple in structure, easy to make, low cost and other advantages.
A kind of composite type multiple frequency bands broadband patch antenna, described paster along the both sides of center line to parallel two rectangular channels and two " L " shape grooves of being provided with symmetrically of lower side.
It is the rectangular channel of opening that a kind of composite type multiple frequency bands broadband patch antenna, described rectangular channel are positioned at paster lower side place; Constitute " E " shape notch structure, described " L " shape groove is positioned at " L " shape groove that paster dual-side place is an opening.
A kind of composite type multiple frequency bands broadband patch antenna, " U " of described " U " shape feed tab mouthful two ends link to each other with paster across rectangular channel; The bottom links to each other with the coaxial line inner core.
A kind of composite type multiple frequency bands broadband patch antenna, described paster and short circuit suppression probe are connected " L " shape groove 90 degree corners.
A kind of composite type multiple frequency bands broadband patch antenna, described paster are one deck paster, and are connected with metal ground by short circuit suppression probe.
A kind of composite type multiple frequency bands broadband patch antenna, described paster are two laminating sheets, and are connected with metal ground by short circuit suppression probe.
A kind of composite type multiple frequency bands broadband patch antenna is connected by medium between the described two laminating sheets.
A kind of composite type multiple frequency bands broadband patch antenna adopts by symmetrical grooving paster, symmetrical short-circuit suppression probe, " U " shape exhibition band feed tab, metal ground, coaxial feeder and forms.The top layer paster is opened E shape groove and symmetrical L shaped groove, short circuit suppression probe connect paster and metal ground with and spend corners with the L shaped groove 90 of paster respectively and link to each other.The both sides symmetric figure of " U " shape suppression feed tab is across E shape groove, and the inner core of coaxial line links to each other with paster E shape groove, the common feed system of expanding bandwidth that forms.Compared with prior art, have the following advantages: (1) can realize multifrequency, the broadband properties of paster antenna simultaneously; (2) adopt and to be different from the traditional design thinking, design the paster antenna of multifrequency, broadband practicality simultaneously, need not organize the paster antenna of the feed system that battle array, single port feed need not be complicated, can realize multifrequency, broadband; (3) adopt the technology that combines in paster fluting, short circuit suppression probe and " U " shape broadening feed tab, two frequency ranges reach 22.2% and 66.7% bandwidth respectively, and this paster antenna is made simple, and operating cost is low, be easy to realize, can work in each frequency range of ALPURCOM.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 composite type multiple frequency bands broadband patch antenna embodiment 1 structural representation;
Fig. 2 is the utility model composite type multiple frequency bands broadband patch antenna embodiment 2 structural representations;
Fig. 3 is Fig. 1, paster antenna plan structure schematic diagram shown in Figure 2;
Fig. 4 is the corresponding curve chart with correlated frequency of the utility model return loss;
Fig. 5 is that the utility model 0 degree (horizontal plane) and 90 is spent (vertical plane) gain diagram at 0.9GHz;
Fig. 6 is that the utility model 0 degree (horizontal plane) and 90 is spent (vertical plane) gain diagram at 2.0GHz.
In Fig. 1～Fig. 3,1, paster; 2, short circuit suppression probe; 3, " U " shape feed tab; 4, rectangular channel; 5, " L " shape groove; 6, metal ground; 7, coaxial line; 8, medium.
Embodiment
As Fig. 1, shown in Figure 3, Fig. 1 be the utility model composite type multiband,, wideband patch antenna embodiment 1 structural representation; A kind of composite type multiband, wideband patch antenna, described paster antenna, comprise one deck paster 1, " U " shape feed tab 3 of short circuit suppression probe 2, widening frequency band, metal ground 6, coaxial line 7 is formed, paster 1 along the both sides of center line to parallel two rectangular channels 4 and two " L " shape grooves 5 of being provided with symmetrically of lower side, and be connected with metal ground 6 by short circuit suppression probe 2, described coaxial line 7 passes metal ground 6 and is connected to form antenna feed system by widening frequency band " U " shape feed tab 3 and paster 1.It is the rectangular channel of opening that described rectangular channel 4 is positioned at paster 1 lower side place, constitutes " E " shape notch structure, and described " L " shape groove (5) is positioned at " L " shape groove that paster 1 dual-side place is an opening.Paster 1 is connected 90 of " L " shape groove 5 with short circuit suppression probe 2 and spends corners.The antenna return loss of above-mentioned example is in-the double frequency that comprises 800MHz-980MHz and 1550MHz-3000MHz below the 10db, broadband.Gain is about 3.5db in last frequency range, about the one frequency range 5.2db of back.
Referring to Fig. 2, Fig. 3, Fig. 2 is the utility model composite type multiple frequency bands broadband patch antenna embodiment 2 structural representations; A kind of composite type multiple frequency bands broadband patch antenna, described paster antenna, comprise two laminating sheets 1, be connected by medium 8 between the two laminating sheets 1, " U " shape feed tab 3 of short circuit suppression probe 2, widening frequency band, metal ground 6, coaxial line 7 is formed, paster 1 along the both sides of center line to parallel two rectangular channels 4 and two " L " shape grooves 5 of being provided with symmetrically of lower side, and be connected with metal ground 6 by short circuit suppression probe 2, described coaxial line 7 passes metal ground 6 and is connected to form antenna feed system by widening frequency band " U " shape feed tab 3 and paster 1.It is the rectangular channel of opening that described rectangular channel 4 is positioned at paster 1 lower side place, constitutes " E " shape notch structure, and described " L " shape groove 5 is positioned at " L " shape groove that paster 1 dual-side place is an opening.Paster 1 is connected 90 of " L " shape groove 5 with short circuit suppression probe 2 and spends corners.Add medium 8 with double-layer paster 1 and improve gain, can increase 1-2 db.
Referring to Fig. 4, Fig. 4 is the corresponding curve chart with correlated frequency of the utility model return loss; As we know from the figure, in the 800MHz-2500MHz band limits, return loss is less than-5dB, satisfies in this frequency range mobile communication antenna to the return loss requirement.
Referring to Fig. 5, Fig. 5 is that the utility model 0 degree (horizontal plane) and 90 is spent (vertical plane) gain diagram 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 of half-plane, and maximum gain is 5.9dB.
Referring to Fig. 6, Fig. 6 is that the utility model 0 degree (horizontal plane) and 90 is spent (vertical plane) gain diagram at 2.0GHz.As we know from the figure, during 2.0GHz, on two the orthogonal plane directions vertical with antenna, antenna has omnidirectional's characteristic, and maximum gain is 4dB.
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 (8)
1, a kind of composite type multiple frequency bands broadband patch antenna, it is characterized in that: described paster antenna, comprise the above paster of one deck (1) at least, short circuit suppression probe (2), " U " shape feed tab (3) of widening frequency band, metal ground (6), coaxial line (7) is formed, described paster (1) is provided with the rectangular channel (4) that increases frequency and also is connected with metal ground (6) by short circuit suppression probe (2) with " L " shape groove (5), and described coaxial line (7) passes metal ground (6) and is connected to form antenna feed system by widening frequency band " U " shape feed tab (3) and paster (1).
2, a kind of composite type multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: described paster (1) along the both sides of center line to parallel two rectangular channels (4) and two " L " shape grooves (5) of being provided with symmetrically of lower side.
3, a kind of composite type multiple frequency bands broadband patch antenna according to claim 1 and 2, it is characterized in that: it is the rectangular channel of opening that described rectangular channel (4) is positioned at paster (1) lower side place, constitute " E " shape notch structure, described " L " shape groove (5) is positioned at " L " shape groove that paster (1) dual-side place is an opening.
4, a kind of composite type multiple frequency bands broadband patch antenna according to claim 1 and 2 is characterized in that: " U " of described " U " shape feed tab (3) mouthful two ends link to each other with paster (1) across two rectangular channels (4); The bottom links to each other with coaxial line (7) inner core.
5, a kind of composite type multiple frequency bands broadband patch antenna according to claim 1 and 2 is characterized in that: described paster (1) is connected the degree of 90 on " L " shape groove (5) corner with short circuit suppression probe (2).
6, a kind of composite type multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: described paster is one deck paster (1), and is connected with metal ground (6) by short circuit suppression probe (2).
7, a kind of composite type multiple frequency bands broadband patch antenna according to claim 1 is characterized in that: described paster is two laminating sheets (1), and is connected with metal ground (6) by short circuit suppression probe (2).
8, a kind of composite type multiple frequency bands broadband patch antenna according to claim 7 is characterized in that: be connected by medium (8) between the described two laminating sheets (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200339504U CN201167135Y (en) | 2008-03-27 | 2008-03-27 | Combined multi-frequency band wideband patch antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200339504U CN201167135Y (en) | 2008-03-27 | 2008-03-27 | Combined multi-frequency band wideband patch antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201167135Y true CN201167135Y (en) | 2008-12-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200339504U Expired - Fee Related CN201167135Y (en) | 2008-03-27 | 2008-03-27 | Combined multi-frequency band wideband patch antenna |
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| Country | Link |
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| CN (1) | CN201167135Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161828A (en) * | 2015-08-21 | 2015-12-16 | 沈霜 | Wireless planar inverted F antenna (PIFA) |
| CN109449582A (en) * | 2018-10-29 | 2019-03-08 | 西安电子科技大学 | A kind of low section wideband filtered antenna |
| CN113889759A (en) * | 2021-09-29 | 2022-01-04 | 电子科技大学 | Thin-cloth phased array antenna with ultralow backscattering characteristic |
-
2008
- 2008-03-27 CN CNU2008200339504U patent/CN201167135Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105161828A (en) * | 2015-08-21 | 2015-12-16 | 沈霜 | Wireless planar inverted F antenna (PIFA) |
| CN105161828B (en) * | 2015-08-21 | 2018-07-13 | 沈霜 | A kind of wireless PIFA antennas |
| CN109449582A (en) * | 2018-10-29 | 2019-03-08 | 西安电子科技大学 | A kind of low section wideband filtered antenna |
| CN113889759A (en) * | 2021-09-29 | 2022-01-04 | 电子科技大学 | Thin-cloth phased array antenna with ultralow backscattering characteristic |
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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: 20081217 Termination date: 20110327 |