CN201323237Y - Parabolic cylinder antenna - Google Patents
Parabolic cylinder antenna Download PDFInfo
- Publication number
- CN201323237Y CN201323237Y CNU2008202278026U CN200820227802U CN201323237Y CN 201323237 Y CN201323237 Y CN 201323237Y CN U2008202278026 U CNU2008202278026 U CN U2008202278026U CN 200820227802 U CN200820227802 U CN 200820227802U CN 201323237 Y CN201323237 Y CN 201323237Y
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- China
- Prior art keywords
- parabolic
- oscillator arms
- cylinder
- parabolic cylinder
- feed
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- 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 discloses a parabolic cylinder antenna which relates to a radar-searching antenna device in the field of communication radar antennae. The parabolic cylinder antenna comprises a feed source, a parabolic cylinder, directors, a feeder line, a coaxial-cable, a balancer, a cable socket and suspension bars. In the utility model, the vibration generators of the feed source are formed by evenly laying copper on glass steel tubes; the parabolic cylinder is arranged on the port of the suspension bars; the directors are respectively arranged on suspension bars at the front side of the parabolic cylinder; and the vibration generators of the feed source are connected with the coaxial-cable by the balancer to form the parabolic cylinder antenna. The parabolic cylinder antenna searches targets and measures the azimuth of the targets according to fan-shaped beam generated by the parabolic cylinder antenna with the requirement of radar-searching beam width. The parabolic cylinder antenna has the advantages of high gain, low side lobe, simple structure, small volume, light weight, low cost, easy installation, simple matching of the antenna and the feeder line, easy tune and the like, which is particularly used as the radar-searching antenna device for searching targets and measuring the azimuth of the targets.
Description
Technical field
The utility model relates to a kind of parabolic-cylinder antenna in the communication radar antenna field, the surveillance radar antenna assembly that is specially adapted to make ferret out and measures azimuth of target.
Background technology
The antenna that can produce fan-shaped beam at present has following several form, though characteristics are respectively arranged on performance, also exists some deficiency.
1. the antenna array of forming with Yagi antenna, though electric property is better, its volume is big, and installing relatively wastes time and energy, and simultaneously because the antenna array that it is made up of a plurality of Yagi antennas unit, debugs cumbersomely, and going wrong also is not easy to search.
2. make cylinder antenna or reflector antenna with cylinder or reflector, though also can satisfy every electricity function index, owing to used power splitter, reliability also just has reduction thereupon, and this new antenna of the ratio of gains of these two kinds of antenna H faces is low 3～4 decibels, can not satisfy the engineering instructions for use.
Summary of the invention
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and the directional diagram E ground roll beam width that provides a kind of antenna to produce is narrow, H ground roll beam width is wide, be the parabolic-cylinder antenna of fan-shaped directional diagram, the utility model has also that gain is high, secondary lobe is low, simple in structure, volume is little, in light weight, characteristics such as cost is low, the coupling of easy installation, antenna and feeder line is simple, easy tuning.
The utility model purpose is achieved in that it comprises by glass reinforced plastic pipe 11, oscillator arms 12,13,14,15, connects feed 1, support bar 2, support bar flange 3, coaxial cable 4, balancer 5, parabolic cylinder 6, cable socket 7, director 8,9,10 that feeder line 16,17 constitutes; Oscillator arms 12,13,14, the 15 equidistant deposited copper of described feed 1 constitute on glass reinforced plastic pipe 11, and oscillator arms 12,13 and oscillator arms 14,15 connect with connecting feeder line 16,17 respectively; Processing one circular hole on support bar 2 cylinders, feed 1 is installed in and constitutes symmetrical dipole in the support bar 2 cylindrical circular holes, coaxial cable 4 is installed in support bar 2 pipes, oscillator arms 13,14 respectively with coaxial cable 4 in, outer conductor connects, coaxial cable 4 other ends are installed cable socket 7, balancer 5 one ends are welded on coaxial cable 4 outer conductors, being welded on the oscillator arms 14 of the other end, parabolic cylinder 6 is installed on the port of support bar 2 by support bar flange 3 usefulness securing members, cable socket 7 usefulness securing members are installed on the parabolic cylinder 6 director 8,9,10 are installed in respectively on the parabolic cylinder 6 front side support bars 2.
Between the oscillator arms 12,13 of the utility model feed 1 apart between size L1≤5mm or the oscillator arms 14,15 apart from size L2≤5mm.
The utility model parabolic cylinder 6 bore horizontal planes are that paraboloid structure, bore vertical plane are cylindrical structure, paraboloid structure size≤6 λ operating frequency wavelength.
The connection feeder line 16 of the utility model feed 1 or connection feeder line 17 length dimensions≤λ/2 operating frequency wavelength.
The diameter dimension L3 of the glass reinforced plastic pipe 11 of the utility model feed 1≤0.2 λ operating frequency wavelength.
The external diameter of the glass reinforced plastic pipe 11 of the utility model feed 1 between the parabolic cylinder 6 paraboloidal convex surfaces apart from size L4≤2 λ operating frequency wavelength.
Apply the oscillator arms 12 of copper or the length dimension L 5≤λ/3 operating frequency wavelength of oscillator arms 13 or oscillator arms 14 or oscillator arms 15 on the glass reinforced plastic pipe 11 of the utility model feed 1.
The utility model has been compared following advantage with background technology:
The symmetrical dipole that the utility model adopts glass reinforced plastic pipe 11, oscillator 12,13,14,15, feeder line 16,17 to constitute is made feed 1, with parabolic cylinder 6 is reflecting surface, director 8,9,10 is done electromagnetic guiding into, thereby its physical dimension also reduces greatly when improving gain, reducing secondary lobe, install easily, and debugging is also easy.Simultaneously do not use power splitter, not only improved reliability, also can reduce production costs.The entire antenna volume is little, and is in light weight, and the coupling of antenna and feeder line is simple, tuning easily.
Description of drawings
Fig. 1 is a mounting structure schematic diagram of the present utility model.
Fig. 2 is the structural representation of the utility model feed 1.
Embodiment
With reference to Fig. 1, Fig. 2, the utility model is to be made of feed 1, support bar 2, support bar flange 3, coaxial cable 4, balancer 5, reflecting surface 6, cable socket 7, director 8,9,10, as shown in Figure 1.The feed 1 that the utility model is made of glass reinforced plastic pipe 11, oscillator arms 12,13,14,15, connection feeder line 16,17, the effect of feed 1 is radiation or receiving electromagnetic signals, finishes electrical signal conversion.Oscillator arms 12,13,14, the 15 equidistant deposited copper of described feed 1 constitute on glass reinforced plastic pipe 11, and oscillator arms 12,13,14,15 effects are radiated electromagnetic waves.Oscillator arms 12,13 and oscillator arms 14,15 connect with connecting feeder line 16,17 respectively.Between the oscillator arms 12,13 of the utility model feed 1 apart between size L1≤5mm or the oscillator arms 14,15 apart from size L2≤5mm, embodiment is 5mm apart from size L1, L2.The utility model parabolic cylinder 6 bore horizontal planes are that paraboloid structure, bore vertical plane are cylindrical structure, constitute the parabolic cylinder structure, its effect is to be used for reflection electromagnetic wave, form fan-shaped directional diagram, paraboloid structure size≤6 λ operating frequency wavelength, the embodiment paraboloid structure is of a size of 6 λ operating frequency wavelength, and parabolic cylinder 6 adopts aluminium alloy plate to process.
The connection feeder line 16 of the utility model feed 1 or connection feeder line 17 length dimensions≤λ/2 operating frequency wavelength, its effect is to be used for electromagnetic paraphase, embodiment connects feeder line 16, connects feeder line 17 length dimensions is λ/2, adopts cable to be made.
The diameter length size L3 of the glass reinforced plastic pipe 11 of the utility model feed 1≤0.2 λ operating frequency wavelength.Its effect is the oscillator arms 12,13,14,15 that is used for applying copper, constitutes symmetrical dipole.Length dimension L5≤the λ of oscillator arms 12 or oscillator arms 13 or oscillator arms 14 or oscillator arms 15/3 operating frequency wavelength, the length of its length dimension L5 is determined by the operating frequency of antenna.The diameter length size L3 of embodiment glass reinforced plastic pipe 11 is 0.2 λ.The length dimension L5 of each oscillator arms 12 to 15 is λ/3, adopts deposited copper processing technology to form.
The external diameter of the glass reinforced plastic pipe 11 of the utility model feed 1 between the parabolic cylinder 6 paraboloidal convex surfaces apart from size L4≤2 λ operating frequency wavelength, apart from the gain of size L4 decision directional diagram, embodiment is 2 λ apart from size L4.
Processing one circular hole on the utility model support bar 2 cylinders, feed 1 is installed in and constitutes symmetrical dipole in the support bar 2 cylindrical circular holes, support bar 2 effects are to be used for fixing feed 1 and director 8,9,10, coaxial cable 4 is installed in support bar 2 pipes, oscillator arms 13,14 respectively with coaxial cable 4 in, outer conductor connects, coaxial cable 4 other ends are installed cable socket 7, balancer 5 one ends are welded on coaxial cable 4 outer conductors, being welded on the oscillator arms 14 of the other end, the effect of coaxial cable 4 is to be used for doing feeder line, the effect of balancer 5 is to be used for the balancing antenna current signal, the effect of cable socket 7 is to be connected with transmitter or receiver by external cable, embodiment support bar 2 is to adopt glass reinforced plastic pipe and make, coaxial cable 4 is to adopt commercially available coaxial cable and make, and balancer 5 is to adopt commercially available power line or metallic plate and make.
The utility model parabolic cylinder 6 is installed on the port of support bar 2 by support bar flange 3 usefulness securing members, and cable socket 7 usefulness securing members are installed on the parabolic cylinder 6, makes parabolic cylinder 6 and feed 1 be processed into overall structure.Director 8,9,10 is installed in respectively on the parabolic cylinder 6 front side support bars 2, director 8,9,10 is installed successively along the axis direction of support bar 2, the effect of director 8,9,10 is guide electromagnetic waves directivity with the raising antenna, and embodiment adopts Metallic rod to make.
Operation principle of the present utility model is as follows: when transmitting, by cable socket 7, coaxial cable 4 signal of external transmitter output is input on the feed 1, then by feed 1 with signal radiation to impelling cylinder 6, by impelling cylinder 6 signal is reflected away to a specific direction again.When received signal, the space electromagnetic wave reflexes on the feed 1 by impelling cylinder 6, output to external receiver through coaxial cable 4, cable socket 7 again,, strengthen the directivity of antenna by director 8,9,10 by the current balance type that balancer 5 keeps on the oscillator arms 12,13,14,15.
Claims (7)
1, a kind of parabolic-cylinder antenna, it comprises support bar (2), support bar flange (3), coaxial cable (4), balancer (5), cable socket (7), director (8,9,10); It is characterized in that: also comprise by glass reinforced plastic pipe (11), oscillator arms (12,13,14,15), connect feed (1), parabolic cylinder (6) that feeder line (16,17) constitutes; The equidistant deposited copper of the oscillator arms of described feed (1) (12,13,14,15) is gone up at glass reinforced plastic pipe (11) and is constituted, and oscillator arms (12,13) and oscillator arms (14,15) connect with connecting feeder line (16,17) respectively; Processing one circular hole on support bar (2) cylinder, feed (1) is installed in and constitutes symmetrical dipole in the cylindrical circular hole of support bar (2), coaxial cable (4) is installed in support bar (2) pipe, oscillator arms (13), (14) respectively with coaxial cable (4) in, outer conductor connects, coaxial cable (4) other end is installed cable socket (7), balancer (5) one ends are welded on coaxial cable (4) outer conductor, being welded on the oscillator arms (14) of the other end, parabolic cylinder (6) is installed on the port of support bar (2) by support bar flange (3) with securing member, cable socket (7) is installed on the parabolic cylinder (6) with securing member, director (8,9,10) be installed in respectively on parabolic cylinder (6) the front side support bar (2).
2, parabolic-cylinder antenna according to claim 1 is characterized in that: between the oscillator arms of feed (1) (12,13) apart between size L1≤5mm or the oscillator arms (14,15) apart from size L2≤5mm.
3, parabolic-cylinder antenna according to claim 1 and 2 is characterized in that: parabolic cylinder (6) bore horizontal plane is that paraboloid structure, bore vertical plane are cylindrical structure, paraboloid structure size≤6 λ operating frequency wavelength.
4, parabolic-cylinder antenna according to claim 3 is characterized in that: the connection feeder line (16) of feed (1) or connection feeder line (17) length dimension≤λ/2 operating frequency wavelength.
5, parabolic-cylinder antenna according to claim 4 is characterized in that: the diameter dimension L3 of the glass reinforced plastic pipe (11) of feed (1)≤0.2 λ operating frequency wavelength.
6, parabolic-cylinder antenna according to claim 5 is characterized in that: the external diameter of the glass reinforced plastic pipe (11) of feed (1) between the paraboloidal convex surface of parabolic cylinder (6) apart from size L4≤2 λ operating frequency wavelength.
7, parabolic-cylinder antenna according to claim 6 is characterized in that: the glass reinforced plastic pipe (11) of feed (1) is gone up the oscillator arms (12) of deposited copper or the length dimension L5≤λ/3 operating frequency wavelength of oscillator arms (13) or oscillator arms (14) or oscillator arms (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202278026U CN201323237Y (en) | 2008-12-09 | 2008-12-09 | Parabolic cylinder antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202278026U CN201323237Y (en) | 2008-12-09 | 2008-12-09 | Parabolic cylinder antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201323237Y true CN201323237Y (en) | 2009-10-07 |
Family
ID=41160612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202278026U Expired - Fee Related CN201323237Y (en) | 2008-12-09 | 2008-12-09 | Parabolic cylinder antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201323237Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037886A (en) * | 2018-08-31 | 2018-12-18 | 出门问问信息科技有限公司 | Communication system and antenna assembly |
| CN112397886A (en) * | 2020-11-06 | 2021-02-23 | 康威通信技术股份有限公司 | Narrow-beam directional antenna and preparation method thereof |
-
2008
- 2008-12-09 CN CNU2008202278026U patent/CN201323237Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109037886A (en) * | 2018-08-31 | 2018-12-18 | 出门问问信息科技有限公司 | Communication system and antenna assembly |
| CN112397886A (en) * | 2020-11-06 | 2021-02-23 | 康威通信技术股份有限公司 | Narrow-beam directional antenna and preparation method thereof |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091007 Termination date: 20161209 |