CN201063359Y - Bicyclo radiating element and flat antenna - Google Patents
Bicyclo radiating element and flat antenna Download PDFInfo
- Publication number
- CN201063359Y CN201063359Y CNU2007200549461U CN200720054946U CN201063359Y CN 201063359 Y CN201063359 Y CN 201063359Y CN U2007200549461 U CNU2007200549461 U CN U2007200549461U CN 200720054946 U CN200720054946 U CN 200720054946U CN 201063359 Y CN201063359 Y CN 201063359Y
- Authority
- CN
- China
- Prior art keywords
- radiating element
- dual ring
- radiant body
- strutting arrangement
- bracing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model discloses a double ring radiation unit for wireless mobile communication network, which comprises a pair of radiators for emitting or receiving signals; a pair of feed devices for balance feeding for individual radiator respectively; a support device which is provided with the two feed devices symmetrically; wherein, each radiator assumes an annular shape with openings, and one corresponding feed device is provided to connect the two opening ends of each radiators to achieve balance feeding; communication signal can be fed into the two feed devices, then fed into the two radiators, and emitted in air; or signal in air is received by the two radiators, and treated reversely. Moreover, the utility model also discloses a panel antenna based on the double ring radiation unit array. The utility model is applicable to the wireless mobile communication network, adopts the double ring radiation unit to form the panel antenna, which is particularly applicable to special situations for coverage of narrow beam, and has the characteristics of high gain, wide working bandwidth, strong beam convergence, etc.
Description
[technical field]
The utility model relates to the wireless mobile communications field, relates in particular to a kind of dual ring radiating element, and relates to a kind of plate aerial that is become by dual ring radiating element group formation.
[background technology]
Along with the development of wireless mobile communications, the overlay area is more wide, also variation more.The covering of some special occasions, for example long and narrow highway, railway, scenic spot beyond several kms, island etc., antenna is had higher requirement, not only require the antenna gain height, to satisfy remote the covering, and the narrower horizontal plane beamwidth of requirement, to reduce interference, for realizing network compatibility, need wideer working band simultaneously to legacy network.
Existing technology generally adopts the version of double oscillator, sees Fig. 1.Assembling positive separated by a distance two row's oscillators 11,12 at reflecting plate 10 laterally constitute one group in twos, and for example 11a and 12a, 11b and 12b etc. form narrow beam on the horizontal plane direction, are vertically then selecting suitable oscillator quantity according to indexs such as gains.Under the overall background of current mobile communication high speed development, high-performance, trend is more and more obvious cheaply.This typical antenna structure form, because oscillator quantity is many, it will highlight in the restriction aspect weight and the cost.
The development trend of industry calls a kind of structure more simple, the antenna structure form that cost is lower, performance is more excellent, the wideband of for example realizing CDMA800MHz and GSM900MHz covers or realizes that DCS1800MHz, PCS1900MHz and UMTS2100MHz three cover frequently, require H face (horizontal plane) beamwidth in bandwidth of operation, to satisfy ± 4 °, and minor level is less than-18dB etc.
On the other hand, the application of double loop antenna also is limited to TV signal and receives and the FM broadcasting aspect, as Chinese CN2032765 patent announcement, utility model themes as " ring arm element antenna ", and notification number is the Japan Patent of JP2002124823A etc., and recent two decades comes, and is limited in response to the technology barrier that causes with the field difference to be overcome, therefore never promoted well, can not introduce-to moving communicating field. especially always
[utility model content]
First purpose of the present utility model just provides a kind of dual ring radiating element, overcoming the defective of above-mentioned double oscillator version, and widens the application of dual ring radiating element.
Second purpose of the present utility model is to provide a kind of plate aerial that is formed by above-mentioned dual ring radiating element group battle array, to satisfy and to optimize demand as special occasions network coverages such as highway, railway, scenic spot and islands.
For realizing above-mentioned first purpose, the utility model adopts following technical scheme:
This dual ring radiating element comprises:
A pair of radiant body is used to transmit or received signal;
A pair of feeder equipment is used for respectively single radiant body being carried out balanced feeding;
A bracing or strutting arrangement, described two feeder equipments are symmetrical arranged on it;
Described each radiant body all is the ring-type with opening, all has a corresponding feeder equipment to be connected with two openends of this radiant body to realize balanced feeding;
Signal of communication can be by two feeder equipments of feed-in, and then two radiant bodies of feed-in, to aerial emission; After also can receiving aerial signal by two radiant bodies, reverse process.
The ring-type profile of described radiant body specifically can be rounded, oval, any in the rectangle, rhombus, square circle.
The cross section of described radiant body can be in square, rectangle, circle, the ellipse any.
Described radiant body also can be quadrangle, have a pair of vertical angles, a drift angle and one and the corresponding described opening of this drift angle, described vertical angles angle equates, is the acute angle between 60 °～90 °, and described drift angle then is the obtuse angle between 100 °～150 °.
Concrete, described each feeder equipment includes two cantilevers, and an end of each cantilever is fixed on the described bracing or strutting arrangement, and the other end is connected with an openend of corresponding radiant body.Described bracing or strutting arrangement cross section roughly is the U type, has base plate and two side, separately the cantilever of a homonymy in two feeder equipments of each side wall support.This feeder equipment can be run-in index structure or gradual change type structure.Described bracing or strutting arrangement, feeder equipment and radiant body are suitable one-body molded.A sidewall of described bracing or strutting arrangement is provided with through hole, passes through for cable and carries out feed.
Preferably, this radiating element is the structure of following ratio: the overall circumference of described radiant body is about an operation wavelength; Beeline between two radiant bodies is about operation wavelength half; The height of described bracing or strutting arrangement is about 1/4th operation wavelengths.
For adapting to second purpose of the present utility model, the utility model adopts following technical scheme:
This plate aerial comprises reflecting plate and composition rule matrix and carries out a plurality of radiating elements of parallelly feeding that described radiating element adopts as the described dual ring radiating element of above-mentioned first purpose of claim.
Can per four radiating elements be that parallelly feeding is carried out in one group of right-angled intersection.
Described each radiating element also can its longitudinally rule be arranged and is carried out parallelly feeding.
Described each radiating element can also its short narrow direction rule be arranged and is carried out parallelly feeding, so, can be provided with passive between described each radiating element.
The utility model is applicable to mobile radio networks, adopts described dual ring radiating element, constitutes plate aerial, is particularly useful for the special occasions that narrow beam covers, and has that gain is high, the work zone is wide and characteristics such as the wave beam convergence is strong.
[description of drawings]
Fig. 1 is the plate aerial principle schematic of double oscillator version;
Fig. 2 is the three-dimensional structure diagram of dual ring radiating element of the present utility model;
Fig. 3 is the axial cutaway view in Fig. 2 radiating element, and this diagrammatic sketch illustrates sidewall 25a;
Fig. 4 to Fig. 7 is the schematic diagram after the radiating element distortion, is intended to illustrate the profile of its radiant body;
Fig. 8 is the structural representation with dual ring radiating element of gradual change type feeder equipment;
Fig. 9 is the dual ring radiating element three-dimensional structure diagram, and it is retrofited to the feed core based on Fig. 2;
Figure 10 to 14 is the schematic diagram based on the plate aerial of the utility model dual ring radiating element composition;
Figure 15 and 16 is respectively based on the standing wave curve of the plate aerial of Figure 14 and H face directional diagram.
[embodiment]
Below in conjunction with drawings and Examples the utility model is further described:
See also shown in Figure 2ly, a kind of dual ring radiating element is made up of following each several part:
Two radiant bodies 21,22 in the form of a ring, each ring-type radiant body 21,22 all has an opening, promptly is made into and forms two openends (21 ' a and 21 ' b behind certain geometric profile; 22 ' a and 22 ' b).
Two feeder equipments 23,24, each feeder equipment 23,24 comprise two cantilever 23a side by side, 23b, and feeder equipment 23 is made of cantilever 23a and 23b, and feeder equipment 24 is made of cantilever 24a and 24b.
A bracing or strutting arrangement 25 roughly is the U type, has a base plate and perpendicular to base plate side walls 25a and 25b.
Ring-type radiant body 21, its two openend 21 ' a, 21 ' b are connected with 23b with two cantilever 23a of feeder equipment 23 respectively, and two openends, 22 ' a, the 22 ' b of ring-type radiant body 22 is connected with 24b with two cantilever 24a of feeder equipment 24 respectively.As seen from Figure 2, two radiant bodies and two feeder equipments structure axisymmetricly on the plane that forms by radiant body.Feeder equipment 23 and 24, radiant body 21 and 22 and bracing or strutting arrangement 25 all one-body molded, therefore, feeder equipment 23 links to each other with 22 ring-type radiant body 21 with 22 supporting construction with the 24 double ring-type radiant bodies 21 of doing with bracing or strutting arrangement 25, and is installed in (referring to Figure 10 to 14) on the reflecting plate 40 by bracing or strutting arrangement 25.
For the ease of dual ring radiating element is carried out feed, also dispose a feed core 26, feed core 26 1 ends are fixed and perpendicular to a sidewall 25a of bracing or strutting arrangement 25, keep not connecting on electric, and another sidewall 25b welding of the other end and bracing or strutting arrangement 25 forms distributing point.So, coaxial cable can sidewall 25a place realize with its internal and external conductor and sidewall 25a, 25b between electric connection, and undertaken by being connected feed core 26 with the electric connection between the sidewall 25b.
For making structure rationalization, be convenient to install described feed core 26, at the sidewall 25a top of bracing or strutting arrangement 25, promptly between two feeder equipments 23 and 24 cantilever 23a and 24a separately, be designed to step structure, see Fig. 3 for details.Form a groove 28 above bracing or strutting arrangement 25 the first side wall 25a, constitute a through hole 30 on the second sidewall 25b, feed core 26 passes above-mentioned through hole 30, adopts welding manner to be fixed on the groove 28 of bracing or strutting arrangement the first side wall 25a.
As shown in Figure 2, below described bracing or strutting arrangement 25 second sidewall 25b through holes, constitute a projection 27, and on projection 27, constitute a semi-circular recesses 27 '.The outer conductor employing welding manner of coaxial cable is connected semi-circular recesses 27 ' lining of described protruding 27, and the inner wire of coaxial cable adopts welding manner to be connected on the feed core 26, forms distributing point.
Certainly, also described feed core 26 can be set, and the internal and external conductor of coaxial cable is directly electrically connected the realization feed with sidewall 25a and 25b respectively.
Adopt the run-in index feed structure in the present embodiment, signal of communication can be respectively through two sidewall 25a and 25b flow through two feeder equipments 23 and 24, carry out balanced feeding, two radiant bodies 21 of feed-in and 22 are finally finished the emission of signal respectively.As for the reception to aerial signal, carry out in path that then can contrary.
Preferably, the design of the utility model aspect size should be confined to following structure proportioning: described ring-type radiant body 21 or 22 overall circumference are about an operation wavelength.Beeline between the ring-type radiant body 21,22, promptly the distance between openend 21 ' a and 22 ' a or 21 ' b and the 22 ' b is about operation wavelength half.Bracing or strutting arrangement 25 height are about 1/4th operation wavelengths.
See also Fig. 4 to Fig. 7, the rhombus in present embodiment, the shape of described ring-type radiant body 21,22 can be wherein any for circular (Fig. 4), rectangle (Fig. 5), oval (Fig. 6) and square circle (Fig. 7); Also can be the quadrangle of non-rule, it is about the center line of two side 25a, 25b by bracing or strutting arrangement 25 and perpendicular to the level crossing picture symmetry of feed core 26, promptly have a pair of vertical angles and a drift angle that is positioned at the radiating element far-end of being positioned at both sides, above-mentioned plane, the angle that is positioned at two limits of above-mentioned plane one side is that vertical angles are 60 °～90 ° acute angle, two vertical angles equivalences, another angle are that drift angle is 100 °～150 ° obtuse angles.
In like manner, the cross section of described ring-type radiant body 21,22 can be wherein any for square, rectangle, circle, ellipse.
Described feeder equipment 23,24 both can be run-in index structure shown in Figure 2, also can be gradual change type structure shown in Figure 8, be two cantilevers separately (23a and 23b, 24a and 24b) outwards bending toward each other of each feeder equipment 23 and 24, form described gradual change type structure.
In another embodiment shown in Figure 9, constitute a through hole 31 respectively on first, second sidewall of bracing or strutting arrangement 25a, 25b, screw 32 passes the feed core 26 that through hole 31 on the first side wall 25a will pass the through hole on the second sidewall 25b and is fixed on the bracing or strutting arrangement 25 the first side wall 25a from the first side wall 25a outside.Described feed core 26 overcoats one fixed insulation medium member 29, feed core 26 keeps not contacting with bracing or strutting arrangement 25 second sidewall 25b physics thus.
As shown in Figure 3, described bracing or strutting arrangement 25 is in the one side towards reflecting plate 40, and promptly the bottom of U-shaped structure has one radially to edge or flange 33 that small part is stretched out, can improve the intermodulation index so that dual ring radiating element is good with contacting of reflecting plate.
Figure 10 to Figure 14 shows the narrow beam plate aerial that constitutes based on above-mentioned dual ring radiating element 41.It can be by the lengthwise or the short narrow direction linear array of above-mentioned dual ring radiating element 41, form the linear array shown in Figure 10 or 11, also can be by the face battle array of multiple lines and multiple rows formation shown in Figure 12 or 13, wherein, Figure 13 has adopted 4 dual ring radiating elements of line 41 to carry out the mode of right-angled intersection group battle array.These are assembled in formed plate aerial system on the reflecting plate 40 by a plurality of dual ring radiating elements with matrix form, can adopt known mode to carry out parallelly feeding.
The embodiment of a vertical linear array has been shown among Figure 14.It includes:
By the aerial array that at least two above-mentioned dual ring radiating elements 41 are formed, equidistantly linear array is in said reflection plate 40;
Passive 42, place dual ring radiating element 41 between any two;
Described passive 42, length is about 0.5 λ～0.8 λ, and width is about 0.05 λ～0.25 λ, and its centre distance reflecting plate 40 highly is about 0.15 λ～0.5 λ.
Described passive 42 axis that is parallel to aerial array, with respect to reflecting plate 40 or vertical the placement, or parallel placement.
Four element antenna systems based on Figure 14 design, can realize that DCS1800MHz, PCS1900MHz and UMTS2100MHz three cover frequently, gain 18dBi, in the whole bandwidth of 1710MHz～2170MHz, voltage standing wave ratio is less than 1.25, H ground roll beam width is controlled in 32 ° ± 3 ° scopes, and minor level is less than-21dB.Figure 15, Figure 16 show its standing wave curve and H face directional diagram respectively.
The utility model is applicable to mobile radio networks, adopts described dual ring radiating element, constitutes antenna system, is particularly useful for the special occasions that narrow beam covers, and has that gain is high, the work zone is wide and characteristics such as the wave beam convergence is strong.
Above embodiment only in order to the explanation the utility model and and the described technical scheme of unrestricted the utility model; Therefore, although this specification has been described in detail the utility model with reference to each above-mentioned embodiment,, those of ordinary skill in the art should be appreciated that still and can make amendment or be equal to replacement the utility model; And all do not break away from the technical scheme and the improvement thereof of spirit and scope of the present utility model, and it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (15)
1. dual ring radiating element is characterized in that: comprising:
A pair of radiant body is used to transmit or received signal;
A pair of feeder equipment is used for respectively single radiant body being carried out balanced feeding;
A bracing or strutting arrangement, described two feeder equipments are symmetrical arranged on it;
Described each radiant body all is the ring-type with opening, all has a corresponding feeder equipment to be connected with two openends of this radiant body to realize balanced feeding;
Signal of communication can be by two feeder equipments of feed-in, and then two radiant bodies of feed-in, to aerial emission; After also can receiving aerial signal by two radiant bodies, reverse process.
2. dual ring radiating element according to claim 1 is characterized in that: the ring-type profile of described radiant body specifically can be rounded, oval, any in the rectangle, rhombus, square circle.
3. dual ring radiating element according to claim 1 is characterized in that: the cross section of described radiant body can be in square, rectangle, circle, the ellipse any.
4. dual ring radiating element according to claim 1, it is characterized in that: described radiant body is quadrangle, have a pair of vertical angles, a drift angle and one and the corresponding described opening of this drift angle, described vertical angles angle equates, be the acute angle between 60 °～90 °, described drift angle then is the obtuse angle between 100 °～150 °.
5. according to any described dual ring radiating element in the claim 1 to 4, it is characterized in that: described each feeder equipment includes two cantilevers, one end of each cantilever is fixed on the described bracing or strutting arrangement, and the other end is connected with an openend of corresponding radiant body.
6. dual ring radiating element according to claim 5 is characterized in that: described bracing or strutting arrangement cross section roughly is the U type, has base plate and two side, separately the cantilever of a homonymy in two feeder equipments of each side wall support.
7. dual ring radiating element according to claim 6 is characterized in that: this feeder equipment can be run-in index structure or gradual change type structure.
8. according to claim 6 or 7 described dual ring radiating elements, it is characterized in that: described bracing or strutting arrangement, feeder equipment and radiant body are one-body molded.
9. according to claim 6 or 7 described dual ring radiating elements, it is characterized in that: a sidewall of described bracing or strutting arrangement is provided with through hole, passes through for cable and carries out feed.
10. according to the described dual ring radiating element of claim 1 to 4, it is characterized in that this radiating element is the structure of following ratio: the overall circumference of described radiant body is about an operation wavelength; Beeline between two radiant bodies is about operation wavelength half; The height of described bracing or strutting arrangement is about 1/4th operation wavelengths.
11. a plate aerial comprises reflecting plate and composition rule matrix and carries out a plurality of radiating elements of parallelly feeding that it is characterized in that: described radiating element adopts as any described dual ring radiating element in the claim 1 to 10.
12. plate aerial according to claim 11 is characterized in that: per four radiating elements are that parallelly feeding is carried out in one group of right-angled intersection.
13. plate aerial according to claim 11 is characterized in that: described each radiating element is arranged with its longitudinally rule and is carried out parallelly feeding.
14. plate aerial according to claim 11 is characterized in that: described each radiating element is arranged with its short narrow direction rule and is carried out parallelly feeding.
15. plate aerial according to claim 14 is characterized in that: be provided with passive between described each radiating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200549461U CN201063359Y (en) | 2007-07-31 | 2007-07-31 | Bicyclo radiating element and flat antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200549461U CN201063359Y (en) | 2007-07-31 | 2007-07-31 | Bicyclo radiating element and flat antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201063359Y true CN201063359Y (en) | 2008-05-21 |
Family
ID=39451746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200549461U Expired - Fee Related CN201063359Y (en) | 2007-07-31 | 2007-07-31 | Bicyclo radiating element and flat antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201063359Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359772B (en) * | 2007-07-31 | 2013-01-09 | 京信通信系统（中国）有限公司 | Dual ring radiating element and flat-plate antenna |
| CN112467399A (en) * | 2020-11-18 | 2021-03-09 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
-
2007
- 2007-07-31 CN CNU2007200549461U patent/CN201063359Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101359772B (en) * | 2007-07-31 | 2013-01-09 | 京信通信系统（中国）有限公司 | Dual ring radiating element and flat-plate antenna |
| CN112467399A (en) * | 2020-11-18 | 2021-03-09 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
| CN112467399B (en) * | 2020-11-18 | 2021-12-28 | 厦门大学 | Positive-feed excitation multi-frequency-point novel circularly polarized millimeter wave broadband planar reflection array antenna |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9438278B2 (en) | Multi-array antenna | |
| EP2804260B1 (en) | Aerial control system and multi-frequency common aerial | |
| EP2214260B1 (en) | Broadband annular dual-polarization radiation element and line shape antenna array | |
| US11108137B2 (en) | Compact omnidirectional antennas having stacked reflector structures | |
| US7053859B2 (en) | Support structure for antennas, transceiver apparatus and rotary coupling | |
| CN101714701B (en) | Dual-band and dual-polarization array antenna | |
| KR101672502B1 (en) | Dual-polarized, omnidirectional antenna | |
| WO2013067790A1 (en) | Mono-polarized 22-beam aerial for mobile communication base station | |
| CN106848530A (en) | Multifrequency dual-polarization omnidirectional antenna | |
| CN101789548A (en) | Mobile communication base station antenna | |
| WO2021036019A1 (en) | Radiation units and antennas | |
| CN102983416B (en) | Indoor dual-polarization omnidirectional ceiling antenna | |
| CN200969402Y (en) | Dual-polarization wide frequency band antenna and its radiating element and I-shaped single polarized vibrator | |
| WO2009041895A1 (en) | Antenna arrangement for a multi radiator base station antenna | |
| CN108376831B (en) | Directional and double-frequency omni-directional combined vehicle-mounted antenna | |
| CN201134512Y (en) | Wide-band annular dual polarized radiating unit and linear array antenna | |
| CN110808467B (en) | Multi-frequency fusion antenna array | |
| CN2881992Y (en) | Antenna of 3G dipole mobile communication base station | |
| CN101359772B (en) | Dual ring radiating element and flat-plate antenna | |
| CN203013939U (en) | An indoor dual-polarized omnidirectional ceiling antenna | |
| CN201063359Y (en) | Bicyclo radiating element and flat antenna | |
| CN103337712A (en) | An antenna radiation unit and an electricity feeding method | |
| US6745051B1 (en) | Six sector antenna structure | |
| US11646502B2 (en) | Multi-band base station antenna | |
| CN210040526U (en) | Omnidirectional dual-polarized antenna of optical fiber distribution system equipment |
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 |
Granted publication date: 20080521 Termination date: 20140731 |
|
| EXPY | Termination of patent right or utility model |