CN2175974Y - Mobile telephone base directional antenna - Google Patents
Mobile telephone base directional antenna Download PDFInfo
- Publication number
- CN2175974Y CN2175974Y CN 93240058 CN93240058U CN2175974Y CN 2175974 Y CN2175974 Y CN 2175974Y CN 93240058 CN93240058 CN 93240058 CN 93240058 U CN93240058 U CN 93240058U CN 2175974 Y CN2175974 Y CN 2175974Y
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- CN
- China
- Prior art keywords
- base station
- mobile telephone
- metallic rod
- beam antenna
- antenna
- 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
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Abstract
The utility model relates to a directional antenna for mobile phone bases, which is used for receiving and sending the radio wave of mobile phones and is composed of symmetric dipole antennae, a choking unbalance and balance converter and an asymmetric strip-shaped line. Each symmetric dipole antenna is composed of two symmetrically arranged metal sheets, the asymmetric strip-shaped line is composed of a reflecting plate and metal rods, and the choking unbalance and balance converter is composed of two grounding metal rods and a metal center pole. The utility model adopts the asymmetric strip-shaped line as a distribution feeder of which the structure is convenient for optional adjustment. The utility model can ensure the in-phase and balanced power feed with constant amplitude to each symmetric dipole antenna and can realize the impedance matching of an antenna system in the required frequency band. The utility model has the advantages of good performance, convenient debugging and low cost.
Description
The utility model is a kind of beam antenna for base station of mobile telephone that is used to receive and launch the mobile phone radio wave.
The prior mobile phone beam antenna for base station, PD10085 type antenna as the production of Denmark CELWAVE company, it is a kind of band radome totally enclosed type reflecting plate antenna, feed is made up of four identical symmetrical dipole antenna row battle arrays, adopt the combination of semihard coaxial line and symmetrical strip line to do to divide feeder line, because the restriction of its structure can only be finely tuned the converter characteristic impedance, can not make the impedance matching of system reach optimum state and adjust the converter characteristic impedance, even not reach the performance index requirement; When because processing and build-up tolerance when producing additional reactance, also are difficult to take to eliminate the measure of (or compensation) in its structure; When increasing the number of element antenna for the higher antenna gain of acquisition, its debugging difficulty is bigger; Its special-purpose semihard coaxial line development cost height, the cycle is long, is difficult to tissue production.
The purpose of this utility model is to overcome above-mentioned shortcoming, adopt asymmetric strip line as a minute feeder line, asymmetric strip line is formed with standard sections, its characteristic impedance can be adjusted arbitrarily, can guarantee each symmetrical dipole antenna is carried out constant amplitude, homophase, balanced feeding, can in the frequency band that requires, realize the antenna system impedance matching easily again, provide a kind of functional, produce, debugging is convenient, cost is low novel mobile telephone beam antenna for base station.
Structure of the present utility model as shown in drawings, beam antenna for base station of mobile telephone, by symmetrical dipole antenna, chokes formula unbalanced-balanced conversion device, asymmetric strip line is formed, the symmetry dipole antenna is by two sheet metals (1,2) be symmetrical arranged and form, asymmetric strip line is by reflecting plate (10), Metallic rod is formed, chokes formula unbalanced-balanced conversion device is made up of two grounded metal bars (3) and metal center bar (4), two grounded metal bars (3) end separately respectively with sheet metal (1,2) connect, the other end separately all is connected with reflecting plate (10), metal center bar (4) is arranged between two grounded metal bars (3), the one end is connected with sheet metal (1), and the other end is connected with Metallic rod in the asymmetric strip line.
The utility model is because the reflecting plate and the Metallic rod that adopt the working standard section bar to make are formed asymmetric strip line, distance between reflecting plate and the Metallic rod can be adjusted arbitrarily, the characteristic impedance that is asymmetric strip line can be adjusted arbitrarily, thereby realize that the utility model can satisfy various performance index, can conveniently produce and debug again, and the low purpose of cost.
Satisfy various performance index better for debugging more easily reaches, impedance allotment sheet can be set on Metallic rod, size, the position of impedance allotment sheet can be regulated arbitrarily.
The utility model compared with prior art, have following advantage and good effect: 1. adopt asymmetric strip line to make to divide feeder line, its structure is convenient to regulated at will, can guarantee each symmetrical dipole antenna is carried out constant amplitude, homophase, balanced feeding, can in the frequency band that requires, realize the impedance matching of antenna system again, its function admirable, debugging is convenient.2. adopt the working standard gauge material, be easy to tissue production, cost is low.
Describe concrete structure of the present utility model and working condition in detail below in conjunction with embodiment:
Fig. 1 is the utility model embodiment one front view.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 be Fig. 1 along A-A, B-B, C-C, D-D to cutaway view.
Fig. 4 be Fig. 1 along Y-Y to cutaway view.
Fig. 5 is the utility model embodiment two front views.
Fig. 6 is the utility model embodiment three front views.
Embodiment one:
This beam antenna for base station of mobile telephone is made up of four symmetrical dipole antennas, 1/4 wavelength chokes formula unbalanced-balanced conversion device, asymmetric strip line, and wherein symmetrical dipole antenna is that the sheet metal (1) of 2 * 19mm is symmetrical arranged and forms by two at a distance of 4mm, cross section; Asymmetric strip line is that the reflecting plate (10) of 2mm, the square copper cash (5,6,7) that the cross section is 6 * 6mm are formed by thickness.Copper cash (5) is connected with copper cash (6), copper cash (6) is connected with copper cash (7), as shown in Figure 1, connecting rod (11) one ends are connected with copper cash (7), the other end is connected with antennal interface (12), and is fixed on the reflecting plate (10), as shown in Figure 2, connecting rod (11) is provided with helicitic texture, the corresponding locking nut that is provided with of antennal interface (12).In addition, be symmetrically arranged with impedance allotment sheet (8) on the copper cash (6), copper cash (7) is provided with impedance allotment sheet (9), and as shown in Figure 1, impedance allotment sheet can be regulated its size and position arbitrarily; 1/4 wavelength chokes formula unbalanced-balanced conversion device is that two grounded metal bars (3) and the diameter of 10mm is that the metal center bar (4) of 6mm is formed by diameter.Two grounded metal bars (3) be arranged in parallel at a distance of 28mm each other, their ends separately are affixed with sheet metal (1,2) respectively, the other end separately is all affixed with reflecting plate (10), metal center bar (4) is arranged on the centre position of two grounded metal bars (3), and it is parallel with grounded metal bar (3), one end of metal center bar (4) is affixed with sheet metal (1) by connecting pad (13), and the other end and copper cash (5) are affixed, as shown in Figure 3.
This beam antenna for base station of mobile telephone feed system feed is made up of four identical symmetrical dipole antenna row battle arrays, the asymmetric strip line that divides feeder line to adopt reflecting plate (10) and copper cash (5), copper cash (6), copper cash (7) to form, antennal interface (12) is as the interface of beam antenna for base station of mobile telephone.
When producing debugging, according to instructions for use and performance index requirement, can regulate copper cash (5) by the height of regulating metal center bar (4), copper cash (6), distance between copper cash (7) and the reflecting plate (10), to reach the characteristic impedance of regulating asymmetric strip line, add copper cash (6), impedance allotment sheet (8) on the copper cash (7), the size and the position of impedance allotment sheet (9) can be regulated arbitrarily, thereby guarantee four symmetrical dipole antennas are carried out constant amplitude, homophase, balanced feeding, can in the frequency band that requires, realize the impedance matching of antenna system again easily, to reach various performance index.
Above-mentioned beam antenna for base station of mobile telephone also can be provided with two identical symmetrical dipole antennas.
Embodiment two:
The utility model can be by transversely arranged being formed in parallel of the beam antenna for base station of mobile telephone that is provided with four identical symmetrical dipole antennas of the foregoing description one, as shown in Figure 5, also can be formed in parallel by vertical arrangement of the beam antenna for base station of mobile telephone that is provided with four identical symmetrical dipole antennas of the foregoing description one.
Embodiment three:
The utility model can be by transversely arranged being formed in parallel of the beam antenna for base station of mobile telephone that is provided with two identical symmetrical dipole antennas of the foregoing description one, as shown in Figure 6, also can be formed in parallel by vertical arrangement of the beam antenna for base station of mobile telephone that is provided with two identical symmetrical dipole antennas of the foregoing description one.
Claims (9)
1, a kind of beam antenna for base station of mobile telephone, by symmetrical dipole antenna, chokes formula unbalanced-balanced conversion device, asymmetric strip line is formed, it is characterized in that symmetrical dipole antenna is by two sheet metals (1,2) be symmetrical arranged and form, asymmetric strip line is by reflecting plate (10), Metallic rod is formed, chokes formula unbalanced-balanced conversion device is made up of two grounded metal bars (3) and metal center bar (4), two grounded metal bars (3) end separately respectively with sheet metal (1,2) connect, the other end separately all is connected with reflecting plate (10), metal center bar (4) is arranged between two grounded metal bars (3), the one end is connected with sheet metal (1), and the other end is connected with Metallic rod in the asymmetric strip line.
2, beam antenna for base station of mobile telephone according to claim 1, it is characterized in that the Metallic rod in the above-mentioned asymmetric strip line is Metallic rod (5,6,7), Metallic rod (5) is connected with Metallic rod (6), Metallic rod (6) is connected with Metallic rod (7), and Metallic rod (7) is connected with antennal interface (12) by connecting rod (11).
3, beam antenna for base station of mobile telephone according to claim 1 is characterized in that above-mentioned Metallic rod is provided with impedance allotment sheet.
4, beam antenna for base station of mobile telephone according to claim 2 is characterized in that being symmetrically arranged with on the above-mentioned Metallic rod (6) impedance allotment sheet (8).
5, beam antenna for base station of mobile telephone according to claim 2 is characterized in that above-mentioned Metallic rod (7) is provided with impedance allotment sheet (9).
6, beam antenna for base station of mobile telephone according to claim 2 is characterized in that above-mentioned Metallic rod (5,6,7) is the copper cash of rectangle for cross section.
7, beam antenna for base station of mobile telephone according to claim 1 is characterized in that each cell moving phone beam antenna for base station is provided with two or four identical symmetrical dipole antennas.
8,, it is characterized in that beam antenna for base station of mobile telephone can be formed in parallel by the vertical or horizontal arrangement of above-mentioned several cell moving phone beam antenna for base station according to claim 1 or 7 described beam antenna for base station of mobile telephone.
9, beam antenna for base station of mobile telephone according to claim 1 is characterized in that above-mentioned metal center bar (4) is connected with sheet metal (1) by pad (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93240058 CN2175974Y (en) | 1993-09-25 | 1993-09-25 | Mobile telephone base directional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 93240058 CN2175974Y (en) | 1993-09-25 | 1993-09-25 | Mobile telephone base directional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2175974Y true CN2175974Y (en) | 1994-08-31 |
Family
ID=33814409
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 93240058 Expired - Fee Related CN2175974Y (en) | 1993-09-25 | 1993-09-25 | Mobile telephone base directional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2175974Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011157125A2 (en) * | 2011-05-31 | 2011-12-22 | 华为技术有限公司 | Antenna radiation unit, feeding method and antenna system |
| CN103682588A (en) * | 2012-09-12 | 2014-03-26 | 香港城市大学 | High gain and wideband complementary antenna |
-
1993
- 1993-09-25 CN CN 93240058 patent/CN2175974Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011157125A2 (en) * | 2011-05-31 | 2011-12-22 | 华为技术有限公司 | Antenna radiation unit, feeding method and antenna system |
| WO2011157125A3 (en) * | 2011-05-31 | 2012-04-26 | 华为技术有限公司 | Antenna radiation unit, feeding method and antenna system |
| CN102918710A (en) * | 2011-05-31 | 2013-02-06 | 华为技术有限公司 | Antenna radiation unit, feeding method and antenna system |
| CN102918710B (en) * | 2011-05-31 | 2015-07-08 | 华为技术有限公司 | Antenna radiation unit, feeding method and antenna system |
| CN103682588A (en) * | 2012-09-12 | 2014-03-26 | 香港城市大学 | High gain and wideband complementary antenna |
| CN103682588B (en) * | 2012-09-12 | 2018-03-09 | 香港城市大学 | High-gain and wideband complementary antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |