CN2919562Y - Broadband directional antenna - Google Patents
Broadband directional antenna Download PDFInfo
- Publication number
- CN2919562Y CN2919562Y CN 200620017525 CN200620017525U CN2919562Y CN 2919562 Y CN2919562 Y CN 2919562Y CN 200620017525 CN200620017525 CN 200620017525 CN 200620017525 U CN200620017525 U CN 200620017525U CN 2919562 Y CN2919562 Y CN 2919562Y
- Authority
- CN
- China
- Prior art keywords
- printed substrate
- reflection plate
- directional antenna
- metallic reflection
- fixed
- 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
- 239000002184 metal Substances 0.000 claims abstract description 19
- 239000000758 substrate Substances 0.000 claims description 36
- 230000003071 parasitic effect Effects 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 7
- 238000010295 mobile communication Methods 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
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- Aerials With Secondary Devices (AREA)
Abstract
The utility model relates to a broadband directive aerial comprising a metal reflector plate, a first printed circuit board and a second printed circuit board, wherein the first printed circuit board and the second printed circuit board are fixed on the upward side of the metal reflector plate, and the first printed circuit board are provided with at least one metal layer for microstrip path antenna, and the metal reflector plate comprises a pair of symmetrical dipoles which is fixed on the metal reflector plate via a third supporting device, the utility model is convenient to be positioned; and the frequency of which can simultaneously cover 800MHz-960MHz and 1710MHz-2500MHz, so that the utility model can meet the using requirements of various communication systems.
Description
Technical field
The utility model relates to the mobile communication antenna field, relates in particular to a kind of wideband directional antenna.
Background technology
Mobile communication development at present rapidly, second generation mobile communication system GSM, CDMA are in the ascendant, 3-G (Generation Three mobile communication system) WCDMA, CDMA2000 have realized commercial in many countries, the 3G standard TD-SCDMA of China is also among flourish.System such as WLAN, WIMAX also is used in some countries and regions, in order to improve the versatility of equipment, often requires antenna to have enough wide working band to cooperate a plurality of system works.
For above-mentioned various communication systems, frequency band is positioned within 800MHz～960MHz and the 1710MHz～2500MHz substantially; Traditional can cover so wide band directional antenna great majority based on logarithm periodic antenna, but this antenna is generally all very long, thereby has limited its scope of application, especially indoor.
The utility model content
Technical problem to be solved in the utility model is to provide a kind of broadband, wideband directional antenna that volume is little.
For solving the problems of the technologies described above, the technical scheme that the utility model adopted is: a kind of wideband directional antenna is provided, comprise a metallic reflection plate, first printed substrate and second printed substrate, described first printed substrate and second printed substrate are fixed on the top of described metallic reflection plate by first bracing or strutting arrangement, at least has a metal level as micro-strip paster antenna on described first printed substrate and second printed substrate, comprise a pair of symmetrical dipole on the described metallic reflection plate, described symmetrical dipole is fixed on the described metallic reflection plate by the 3rd bracing or strutting arrangement.
Also comprise a cable connector assembly on the described metallic reflection plate, described cable connector assembly is fixed on the metallic reflection plate by second bracing or strutting arrangement, its directly and wherein the feed of an oscillator partly be electrically connected.
Also comprise at least one bonding jumper on the described metallic reflection plate, described bonding jumper is fixed on the described metallic reflection plate, and be distributed in described symmetrical dipole around.
Described bonding jumper is 90 °, and an end is fixed on the described metallic reflection plate, and the other end is unsettled.
Between the terminal both sides of described a pair of symmetrical dipole by a pair of spring cross-over connection.
The part of described symmetrical dipole and described spring cross-over connection is extended two flanks respectively.
90 ° of the downward bendings of distal portion difference of described symmetrical dipole and described spring cross-over connection part, wherein the downward dogleg section of an oscillator directly contacts with described metallic reflection plate and is fixed thereon.
Described first printed substrate is positioned at 4～10mm on the described symmetrical dipole.
Described second printed substrate is positioned at 4～5mm on first printed substrate.
The metal level edge as micro-strip paster antenna on described first printed substrate and second printed substrate also comprises at least one metal level as parasitic element.
The beneficial effects of the utility model are: because structure is tight between each parts of the utility model wideband directional antenna, so its volume is little, overall structure thin, is convenient to install; In addition, owing to have metal level on first printed substrate and second printed substrate as micro-strip paster antenna, comprise a pair of symmetrical dipole on the metallic reflection plate, thereby its frequency can cover 800MHz～960MHz and 1710MHz～2500MHz simultaneously, can satisfy the user demand of plurality of communication systems.
Description of drawings
Fig. 1 is the stereogram of the utility model wideband directional antenna integral body.
Fig. 2 and Fig. 3 are the part stereograms of the utility model wideband directional antenna.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described in further detail.
See also Fig. 1 to Fig. 3, the utility model wideband directional antenna comprises a metallic reflection plate 1, first printed substrate 9 and second printed substrate 10.
Comprise a pair of symmetrical dipole 2, a cable connector assembly 8 and 4 bonding jumpers 5 on the metallic reflection plate 1; Symmetrical dipole 2 is fixed on the metallic reflection plate 1 by the 3rd bracing or strutting arrangement 6, cable connector assembly 8 is fixed on the metallic reflection plate 1 by second bracing or strutting arrangement 7, cable connector assembly 8 comprises a joint, cable and cable block, and its feed part 21 direct and a wherein oscillator 22 is electrically connected.Bonding jumper 5 is 90 °, and an end is fixed on the metallic reflection plate 1, and the other end is unsettled, four bonding jumpers 5 be distributed in symmetrically symmetrical dipole 2 around, mainly play a part to regulate impedance matching and control the directional diagram beamwidth.
By a pair of spring 4 cross-over connections, be symmetrical distribution between a pair of symmetrical dipole 2 terminal both sides, can not influence the symmetry of antenna pattern like this; The performance of 4 pairs of antennas of spring is not influence almost, mainly has been the effect of DC earthing.Symmetrical dipole 2 is to be formed by the metallic plate cutting, ovalize, be convenient welding spring 4, part in 4 welding of itself and spring has been extended two flanks 23 respectively, in 90 ° of the downward bendings respectively of the distal portion 21 and 24 of itself and spring 4 welding portions, wherein oscillator 22 directly contacts with metallic reflection plate 1, but keeps a determining deviation to form microstrip line, its end fed part 21 direct and cable connector assembly 8 electrical connections; Another oscillator 25 downward dogleg section 24 directly contact with metallic reflection plate 1 and are fixed thereon.Symmetrical dipole also can be other shape.
First bracing or strutting arrangement 11 with first printed substrate 9 and second printed substrate, 10 secured in parallel above metallic reflection plate 1.First printed substrate 9 is positioned on the symmetrical dipole 2 about 4～10mm, three oval metal levels 92 as micro-strip paster antenna are arranged on it, described oval metal level 92 as micro-strip paster antenna can be one or more, two strip metal layers 91 are arranged as parasitic element at the edge of first printed substrate 9, can the broadening bandwidth and control directional diagram beamwidth; Second printed substrate 10 is positioned on first printed substrate 9 about 4～5mm, there is the square metal layer 13 as micro-strip paster antenna centre on it, described square metal layer 13 as micro-strip paster antenna can be one or more, four little square metal layers 12 are arranged as parasitic element on every side, mainly play broadening bandwidth and control directional diagram beamwidth.Metal level on first printed substrate and second printed substrate can be one or more.
Structure is tight between each parts of the utility model wideband directional antenna, and the chances are for the length of integrated antenna about 215mm, and wide the chances are about 180mm, and high the chances are about 47mm, and its overall structure is thin, is convenient to install.
The operating frequency of first printed substrate 9 of the utility model wideband directional antenna is positioned at 1710～2200MHz, second printed substrate 10 operates mainly within 2200～2500MHz, symmetrical dipole 2 works in 800～960MHz frequency band, its shape and size are bigger to standing-wave ratio in 800～960MHz frequency band and directional diagram influence, and oval-shaped oscillator is wideer than the bandwidth of the oscillator of circle; Owing to all adopted parasitic element to come the beamwidth of broadening bandwidth and control directional diagram in each frequency range, so the standing-wave ratio bandwidth of antenna has satisfied the requirement of 800～960MHz and 1710～2500MHz, the directional diagram beamwidth of H face is 90 ° probably in 800～960MHz, gains to be 7dBi; Directional diagram in 1710～2500MHz is 65 ° probably, gains to be 9dBi.
The above; it only is preferred embodiment of the present utility model; be not to be used to limit protection range of the present utility model, all any modifications of within spirit of the present utility model and principle, being made, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (10)
1, a kind of wideband directional antenna, comprise a metallic reflection plate, first printed substrate and second printed substrate, it is characterized in that: described first printed substrate and second printed substrate are fixed on the top of described metallic reflection plate by first bracing or strutting arrangement, at least has a metal level as micro-strip paster antenna on described first printed substrate and second printed substrate, comprise a pair of symmetrical dipole on the described metallic reflection plate, described symmetrical dipole is fixed on the described metallic reflection plate by the 3rd bracing or strutting arrangement.
2, wideband directional antenna as claimed in claim 1, it is characterized in that: also comprise a cable connector assembly on the described metallic reflection plate, described cable connector assembly is fixed on the metallic reflection plate by second bracing or strutting arrangement, its directly and wherein the feed of an oscillator partly be electrically connected.
3, wideband directional antenna as claimed in claim 1 is characterized in that: also comprise at least one bonding jumper on the described metallic reflection plate, described bonding jumper is fixed on the described metallic reflection plate, and be distributed in described symmetrical dipole around.
4, wideband directional antenna as claimed in claim 3 is characterized in that: described bonding jumper is 90 °, and an end is fixed on the described metallic reflection plate, and the other end is unsettled.
5, wideband directional antenna as claimed in claim 1 is characterized in that: between the terminal both sides of described a pair of symmetrical dipole by a pair of spring cross-over connection.
6, wideband directional antenna as claimed in claim 5 is characterized in that: the part of described symmetrical dipole and described spring cross-over connection is extended two flanks respectively.
7, wideband directional antenna as claimed in claim 5, it is characterized in that: 90 ° of the downward bendings of distal portion difference of described symmetrical dipole and described spring cross-over connection part, wherein the downward dogleg section of an oscillator directly contacts with described metallic reflection plate and is fixed thereon.
8, wideband directional antenna as claimed in claim 1 is characterized in that: described first printed substrate is positioned at 4～10mm on the described symmetrical dipole.
9, wideband directional antenna as claimed in claim 1 is characterized in that: described second printed substrate is positioned at 4～5mm on first printed substrate.
10, wideband directional antenna as claimed in claim 1 is characterized in that: the metal level edge as micro-strip paster antenna on described first printed substrate and second printed substrate also comprises at least one metal level as parasitic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017525 CN2919562Y (en) | 2006-06-20 | 2006-06-20 | Broadband directional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620017525 CN2919562Y (en) | 2006-06-20 | 2006-06-20 | Broadband directional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2919562Y true CN2919562Y (en) | 2007-07-04 |
Family
ID=38217382
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620017525 Expired - Fee Related CN2919562Y (en) | 2006-06-20 | 2006-06-20 | Broadband directional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2919562Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280630A (en) * | 2013-05-02 | 2013-09-04 | 苏州卡基纳斯通信科技有限公司 | Multi-frequency wide-beam circular polarization antenna |
| CN103490151A (en) * | 2013-08-30 | 2014-01-01 | 大连海事大学 | L-waveband broadband circular polarization micro-strip antenna |
| CN104900986A (en) * | 2014-03-08 | 2015-09-09 | 苏州博海创业微系统有限公司 | Broadband wide-beam microstrip antenna and construction method thereof |
| CN105490035A (en) * | 2015-12-04 | 2016-04-13 | 南京濠暻通讯科技有限公司 | Low-profile GSM-LTE coplanar directional antenna |
| EP2471142A4 (en) * | 2009-08-26 | 2017-08-23 | Amphenol Corporation | Device and method for controlling azimuth beamwidth across a wide frequency range |
| CN114725672A (en) * | 2022-05-18 | 2022-07-08 | 重庆邮电大学 | Broadband high-gain antenna applied to scene with limited installation space |
-
2006
- 2006-06-20 CN CN 200620017525 patent/CN2919562Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2471142A4 (en) * | 2009-08-26 | 2017-08-23 | Amphenol Corporation | Device and method for controlling azimuth beamwidth across a wide frequency range |
| CN103280630A (en) * | 2013-05-02 | 2013-09-04 | 苏州卡基纳斯通信科技有限公司 | Multi-frequency wide-beam circular polarization antenna |
| CN103490151A (en) * | 2013-08-30 | 2014-01-01 | 大连海事大学 | L-waveband broadband circular polarization micro-strip antenna |
| CN103490151B (en) * | 2013-08-30 | 2015-08-26 | 大连海事大学 | A kind of L-waveband broadband circular polarization micro-strip antenna |
| CN104900986A (en) * | 2014-03-08 | 2015-09-09 | 苏州博海创业微系统有限公司 | Broadband wide-beam microstrip antenna and construction method thereof |
| CN105490035A (en) * | 2015-12-04 | 2016-04-13 | 南京濠暻通讯科技有限公司 | Low-profile GSM-LTE coplanar directional antenna |
| CN114725672A (en) * | 2022-05-18 | 2022-07-08 | 重庆邮电大学 | Broadband high-gain antenna applied to scene with limited installation space |
| CN114725672B (en) * | 2022-05-18 | 2023-07-25 | 重庆邮电大学 | Broadband high-gain antenna applied to installation space limited scene |
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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: 20070704 Termination date: 20110620 |