CN2733629Y - Broadband dipole array antenna - Google Patents
Broadband dipole array antenna Download PDFInfo
- Publication number
- CN2733629Y CN2733629Y CN 200420059364 CN200420059364U CN2733629Y CN 2733629 Y CN2733629 Y CN 2733629Y CN 200420059364 CN200420059364 CN 200420059364 CN 200420059364 U CN200420059364 U CN 200420059364U CN 2733629 Y CN2733629 Y CN 2733629Y
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- antenna
- reflecting plate
- broadband
- dipole array
- array antenna
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Abstract
The utility model relates to a broadband dipole array antenna, used in the field of wireless transmission and arranged on a basal plate. The basal plate is provided with a first surface and a second surface used to radiate a wireless signal. The antenna comprises a feeding network, arranged on the first surface of the antenna and provided with multiple feeding units of the meandering segment circuit used to increase the frequency bandwidth of wireless signal transmission, multiple radiating elements, arranged on the second surface of the antenna, coupling the signal of the feeding unit and radiating the signal, as well as a reflecting board, which is the metallic material, and is provided with a concave groove containing vertically the antenna and reflects the radiation signal to a specific orientation. Making use of arranging the antenna vertically on the concave groove of the reflecting board, the radiation signal of the antenna can be reflected, to increase the directionality of the antenna. The reflecting board can make the antenna to be fixed to the concave groove passing a viscid rubber belt or a velcrostrip, to improve the convenience of the antenna assembly.
Description
Technical field
The utility model relates to a kind of broadband dipole array antenna, is applied on the electronic installation of wireless transmission particularly a kind of broadband dipole array antenna of tool fluted body reflecting plate.
Background technology
Development along with wireless communication industry, the user can not limited by landform, utilize wireless transmitting system to carry out the information transmission, and antenna is a considerable assembly in the wireless transmitting system, general common have dipole antenna (Dipole antenna) or helical antenna (Helical antenna) or the like.
Although radio communication can not limited by landform; but when antenna is arranged at terrain obstruction zone (such as corner, ceiling etc.); its specific direction yield value is just obviously not enough; to such an extent as on signal transmitting and receiving, the bad situation of communication quality occurs, therefore; usually can be at the other reflecting plate that is provided with of antenna; to strengthen antenna directivity, increase the directive gain value, to obtain the excellent communications quality.
Please refer to the TaiWan, China patent announcement number No. 558080, novel patent name: the dipole antenna configuration of tool reflecting plate, this patent discloses a kind of dipole antenna of tool reflection, it consists predominantly of a dipole antenna and a reflecting plate, it is characterized in that: this reflecting plate is the opening shape, reflecting plate fixedly is mounted on a side of a dipole antenna and keeps a distance with dipole antenna, the beeline of this dipole antenna and reflecting plate is all 1/4 λ (λ is the wavelength of frequency band), come the reflected radiation receiving and transmitting signal by reflecting plate, effectively improve the radiation transmit-receive position yield value of dipole antenna.
Though yet its reflecting plate institute radiation reflected signal can improve the directive gain value, but needing under the Antenna Design conditional request of high directivity, its directive gain value still is apparent not enough, and its reflecting plate and antenna need at least one section preset distance (1/4 λ) at interval, in the assembling of antenna, comparatively bother, therefore, how effectively to promote antenna directivity and assembling convenience, become one of researcher's problem to be solved.
In addition, please refer to Fig. 1 and go into the network schematic diagram for conventional serial feed-in type antenna feed, in the design of traditional array antenna 10, the general antenna of so-called serial feed-in (Series Feed) design that adopts only can be applicable in a certain narrow band limits (such as 4.9～5.0GHz, U-NII-One/Two5.15～5.35GHz, U-NII-Three 5.725～5.875GHz), can't satisfy simultaneously when the wireless communications application frequency range and contain multiband scope (demand such as 4.9～5.875GHz), then may need select two or more antennas this moment, therefore how to promote single kind of antenna transmission frequency range effectively and additionally purchase multiple antenna again and also become one of researcher's problem to be solved to save the user.
The utility model content
Because the shortcoming of insurmountable problem of prior art and existence, the utility model proposes a kind of broadband dipole array antenna, dipole array antenna and reflecting plate are done vertical the combination, reach the purpose of reflecting antenna radiation signal to a specific direction, in order to strengthen the directive property of antenna, and the feed-in network design of the sinuous section of utilization circuit, obtain a kind of broadband dipole array antenna.
Institute thinks and achieves the above object, in the broadband dipole array antenna that the utility model is carried, include following modules: feed-in network, radiating element and reflecting plate, wherein antenna is a printed circuit antenna, have first surface and second surface, feed-in network and radiating element are arranged at the first surface and the second surface of antenna respectively, in order to increase transmitting bandwidth and to produce radiation signal.
Reflecting plate has a groove, in order to vertical ccontaining antenna, and radiation signal to a specific direction of reflected radiation unit generation, to increase antenna directivity.
And the fixed form of antenna and reflecting plate can be fixed by stickiness adhesive tape or devil sticking (Velcro strip), comparatively convenient in assembling, another kind of mode is by respectively offering corresponding hole on the groove inner side edge of reflecting plate and antenna, and utilizes fixation kit to be fixed.
Specifically, the utility model provides a kind of broadband dipole array antenna, this antenna is arranged on the substrate, this substrate has in order to the first surface of radiation one wireless signal and a second surface, this antenna comprises: a feed-in network, be arranged at this first surface of this antenna, have feed-in unit in order to a plurality of sinuous section circuit that increases this transmission of wireless signals frequency range; A plurality of radiating elements are arranged at the second surface of this antenna, the signal of this feed-in unit that is coupled, and this signal of radiation; And a reflecting plate, be a metal material, have a groove in order to vertical ccontaining this antenna, and reflect this radiation signal to one specific direction.
According to the broadband dipole array antenna of above-mentioned conception, wherein this antenna is a printed circuit antenna.
According to the broadband dipole array antenna of above-mentioned conception, wherein the material of this reflecting plate includes aluminium.
According to the broadband dipole array antenna of above-mentioned conception, wherein the material of this reflecting plate includes iron.
According to the broadband dipole array antenna of above-mentioned conception, wherein the material of this reflecting plate includes stainless steel.
According to the broadband dipole array antenna of above-mentioned conception, wherein this groove side of this reflecting plate also offers in order to this aerial lock is fixed in a plurality of holes on this reflecting plate.
According to the broadband dipole array antenna of above-mentioned conception, wherein this reflecting plate and this antenna interfix with the stickiness adhesive tape.
According to the broadband dipole array antenna of above-mentioned conception, wherein this reflecting plate and this antenna interfix so that the devil is sticking.
According to the broadband dipole array antenna of above-mentioned conception, wherein this antenna and this reflecting plate also are positioned at one in order to protect the housing of this antenna and this reflecting plate.
According to the broadband dipole array antenna of above-mentioned conception, wherein an end of this reflecting plate also has more than one in order to be inserted on the corresponding slot of a pedestal and to fix the flange of this reflecting plate.
According to the broadband dipole array antenna of above-mentioned conception, wherein this radiating element is positioned at this groove.
According to the broadband dipole array antenna of above-mentioned conception, wherein this radiating element is positioned at outside this groove.
By this dipole array antenna, utilize reflecting plate to strengthen signal directive property, can increase the antenna directive gain value, and the fixed form of antenna and reflecting plate is comparatively convenient, reach the purpose that promotes antenna directivity and assembling convenience.
Description of drawings
Fig. 1 is the feed-in network diagram of conventional serial feed-in type antenna;
The antenna perspective exploded view that Fig. 2 carries for the utility model;
The sky DNA mitochondrial DNA that Fig. 3 carries for the utility model is in conjunction with schematic diagram;
Fig. 4 A is the first surface front view of the antenna substrate carried of the utility model;
Fig. 4 B is the second surface front view of the antenna substrate carried of the utility model;
Fig. 5 A is the radiation field shape figure of the V-polarization carried of the utility model;
Fig. 5 B is the radiation field shape figure of the H-polarization carried of the utility model; And
Fig. 5 C is the voltage standing wave ratio figure that the utility model is carried.
10 antennas
101 first surfaces
102 second surfaces
11 signal feed-in point
110 feed-in networks
111 first feed-in unit
112 second feed-in unit
113 the 3rd feed-in unit
114 the 4th feed-in unit
115 the 5th feed-in unit
120 radiating elements
150 transmission line buses
151 impedance matching portions
20 reflecting plates
The 20a hole
The 20b hole
21 flanges
22 flanges
30 plain conductors
40 Connection Blocks
50 pedestals
60 shells
Embodiment
The feasible execution mode of relevant the utility model, conjunction with figs. is described as follows.
Please refer to Fig. 2 and be perspective exploded view of the present utility model, include: antenna 10, reflecting plate 20, plain conductor 30, connector 40, pedestal 50 and shell 60.
The two ends of reflecting plate 20 have flange 21 and flange 22 respectively, in order to the slot that is inserted in pedestal 50 and the slot of shell 60, with fixation reflex plate 20, its reflecting plate material is a metal material, utilize metal material that electromagnetic wave is had shielding action, radiation signal to one specific direction that comes reflecting antenna 10 to produce is to increase the yield value of antenna directivity.
It is one L shaped that pedestal 50 summarys are, in order to be fixed on the bracing frame (not shown), be provided with a connector 40 in the pedestal 50, connector 40 1 ends are connected to the signal feed-in point 11 of antenna 10 by plain conductor 30, and the other end of connector 40 is in order to be connected to an electronic installation (not shown).
Shell 60 joins with pedestal 50; in order to coat antenna 10 and reflecting plate 20, to reach the effect of protection antenna 10 and reflecting plate 20, please refer to Fig. 3 is that solid of the present utility model is in conjunction with schematic diagram; shell 60 forms a driving fit body with pedestal 50, in order to coat antenna 10 and reflecting plate 20.
Please refer to Fig. 4 A is the antenna substrate first surface front view that the utility model is carried, first surface 101 is provided with feed-in network 110, with signal feed-in point 11 is the center, by the first feed-in unit 111, the second feed-in unit 112, the 3rd feed-in unit 113, about 115 one-tenth two symmetrical architecture in the 4th feed-in unit 114 and the 5th feed-in unit are formed, to form feed-in network 110, each feed-in unit has sinuous section different circuit, and by the sinuous section circuit of signal feed-in point 11 to the extension of antenna 10 both sides, design with the zigzag path that successively decreases in regular turn, and be connected to altogether on the transmission lines bus 150, its zigzag path that the section circuit forms that wriggles, design all equates with being intended to make by the phase place of signal feed-in point 11 to each radiating element 120, can increase transmitting bandwidth thus, and has impedance matching portion 151 on each ramification point, in order to the required resistance value of terminated line.
Please refer to Fig. 4 B and be the second surface front view of the antenna substrate that the utility model carries, radiating element 120 is arranged at second surface 102, signal in order to coupling feed-in network 110, and with radiation mode transmission signal, each radiating element 120 wherein, summary is a T font, the horizontal ends radiation direction signal of its T font structure is more extensive than vertical end radiation direction, promptly have preferable directive property, and utilize the mode that is arranged in parallel, can also promote its directive property, and each radiating element 120 respectively corresponding feed-in unit, and according to corresponding feed-in unit, radiation has different signal gain values, to strengthen its signal directive property.
Reflecting plate 20 has a groove, with so that antenna 10 and reflecting plate 20 vertical combinations, and the radiated electromagnetic wave of antenna 10 concentrated on a specific direction, to strengthen the directive property of antenna 10, wherein the material of reflecting plate 20 can be metal materials such as aluminium, iron or stainless steel, and the field shape of its antenna 10 of the effect of depth of groove is pointed to scope, when radiating element 120 is positioned at groove, antenna 10 has narrower field shape and points to scope, and when radiating element 120 was positioned at outside the groove, the field shape that 10 on antenna has broad was pointed to scope.
Wherein, reflecting plate 20 can be fixed on the interior side of groove by stickiness adhesive tape or devil sticking (Velcro strip) with antenna 10, make assembling process comparatively convenient, another kind of mode can be on the side in the groove of reflecting plate 20, offer a plurality of hole 20a, respective antenna 10 also offers a plurality of hole 20b, and by fixation kit (such as plastic rivet, blind rivet, plastics screw or the like) that reflecting plate 20 is fixing with antenna 10.
In addition, antenna of the present utility model is applicable to Institute of Electrical and Electronics Engineers (InstituteElectrical and Electronic Engineer, IEEE) the 802.11a communication protocol of Zhi Dinging, and, can use band limits at 4.9～5.875GHz by fine setting feed-in network 110, the distance of radiating element 120 and the high and low position of fluted body reflecting plate 20.
By this dipole array antenna, radiation signal is reflected concentrated by reflecting plate, to strengthen the directive property of antenna, and reflecting plate is adopted vertical combination with antenna, and glue (Velcro strip) by stickiness adhesive tape or devil and fixed, comparatively convenient in assembling, reach the purpose that promotes antenna directivity and assembling convenience; And, then can reach antenna transmission frequency range than the broadband by wriggling section feed-in network design of circuit zigzag path.
In addition, the radiation field shape figure that the utility model also proposes actual test explains with the voltage standing wave ratio resolution chart, does different tests with frequency 4.90GHz, 5.15GHz, 5.50GHz and 5.85GHz respectively, and please refer to Fig. 5 A is V-polarized radiation field shape figure; Fig. 5 B is H-polarized radiation field shape figure; And Fig. 5 C is that frequency range is at the measured voltage standing wave ratio figure of 4.50GHz～6.50GHz.
The above is preferred embodiment of the present utility model only, is not to be used for limiting practical range of the present utility model; Be that all equalizations of being done according to the utility model claim change and modification, be all the utility model claim and contain.
Claims (12)
1. broadband dipole array antenna, this antenna is arranged on the substrate, and this substrate has in order to the first surface of radiation one wireless signal and a second surface, it is characterized in that this antenna comprises:
One feed-in network is arranged at this first surface of this antenna, has the feed-in unit in order to a plurality of sinuous section circuit that increases this transmission of wireless signals frequency range;
A plurality of radiating elements are arranged at the second surface of this antenna, the signal of this feed-in unit that is coupled, and this signal of radiation; And
One reflecting plate is a metal material, has a groove in order to vertical ccontaining this antenna, and reflects this radiation signal to one specific direction.
2. broadband as claimed in claim 1 dipole array antenna is characterized in that this antenna is a printed circuit antenna.
3. broadband as claimed in claim 1 dipole array antenna is characterized in that the material of this reflecting plate includes aluminium.
4. broadband as claimed in claim 1 dipole array antenna is characterized in that the material of this reflecting plate includes iron.
5. broadband as claimed in claim 1 dipole array antenna is characterized in that the material of this reflecting plate includes stainless steel.
6. broadband as claimed in claim 1 dipole array antenna is characterized in that this groove side of this reflecting plate also offers in order to this aerial lock is fixed in a plurality of holes on this reflecting plate.
7. broadband as claimed in claim 1 dipole array antenna is characterized in that this reflecting plate and this antenna interfix with the stickiness adhesive tape.
8. broadband as claimed in claim 1 dipole array antenna is characterized in that this reflecting plate and this antenna interfix so that the devil is sticking.
9. broadband as claimed in claim 1 dipole array antenna is characterized in that this antenna and this reflecting plate also are positioned at one in order to protect the housing of this antenna and this reflecting plate.
10. broadband as claimed in claim 1 dipole array antenna, an end that it is characterized in that this reflecting plate also have more than one in order to be inserted on the corresponding slot of a pedestal and to fix the flange of this reflecting plate.
11. broadband as claimed in claim 1 dipole array antenna is characterized in that this radiating element is positioned at this groove.
12. broadband as claimed in claim 1 dipole array antenna is characterized in that this radiating element is positioned at outside this groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059364 CN2733629Y (en) | 2004-06-10 | 2004-06-10 | Broadband dipole array antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420059364 CN2733629Y (en) | 2004-06-10 | 2004-06-10 | Broadband dipole array antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2733629Y true CN2733629Y (en) | 2005-10-12 |
Family
ID=35069466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420059364 Expired - Fee Related CN2733629Y (en) | 2004-06-10 | 2004-06-10 | Broadband dipole array antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2733629Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122763A (en) * | 2011-03-17 | 2011-07-13 | 东南大学 | All-round array antenna for parallel feed |
| CN105609948A (en) * | 2016-03-23 | 2016-05-25 | 南京信息工程大学 | Double-band L-shaped inflected antenna |
| CN110364827A (en) * | 2019-08-01 | 2019-10-22 | 武汉虹信通信技术有限责任公司 | Radiate power-devided circuit plate and large scale array antenna |
-
2004
- 2004-06-10 CN CN 200420059364 patent/CN2733629Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102122763A (en) * | 2011-03-17 | 2011-07-13 | 东南大学 | All-round array antenna for parallel feed |
| CN105609948A (en) * | 2016-03-23 | 2016-05-25 | 南京信息工程大学 | Double-band L-shaped inflected antenna |
| CN105609948B (en) * | 2016-03-23 | 2018-06-22 | 南京信息工程大学 | A kind of two-band L-shaped inflection antenna |
| CN110364827A (en) * | 2019-08-01 | 2019-10-22 | 武汉虹信通信技术有限责任公司 | Radiate power-devided circuit plate and large scale array antenna |
| CN110364827B (en) * | 2019-08-01 | 2020-12-18 | 中信科移动通信技术有限公司 | Radiation power distribution circuit board and large-scale array 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: 20051012 |