CN109994821A - A kind of wideband log periodic antenna - Google Patents
A kind of wideband log periodic antenna Download PDFInfo
- Publication number
- CN109994821A CN109994821A CN201910258169.XA CN201910258169A CN109994821A CN 109994821 A CN109994821 A CN 109994821A CN 201910258169 A CN201910258169 A CN 201910258169A CN 109994821 A CN109994821 A CN 109994821A
- Authority
- CN
- China
- Prior art keywords
- antenna
- radiation unit
- reflecting plate
- coaxial cable
- log periodic
- 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.)
- Pending
Links
- 230000000737 periodic effect Effects 0.000 title claims abstract description 19
- 230000005855 radiation Effects 0.000 claims abstract description 31
- 238000004512 die casting Methods 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 10
- 238000009413 insulation Methods 0.000 claims description 3
- 230000003247 decreasing effect Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q11/00—Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
- H01Q11/02—Non-resonant antennas, e.g. travelling-wave antenna
- H01Q11/10—Logperiodic antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The present invention discloses a kind of wideband log periodic antenna, including antenna cover, antenna radiation unit and coaxial cable, the antenna radiation unit is arranged in the antenna cover, and the coaxial cable connect with the antenna radiation unit and is drawn out to outside the antenna cover；The antenna radiation unit includes: several pairs of symmetrical dipole oscillators, two assembly lines and reflecting plate, and each symmetrical dipole oscillator is connect with two assembly lines respectively, and one end of the antenna radiation unit is arranged in the reflecting plate；It is characterized in that, each symmetrical dipole oscillator is together with two assembly line rheo-die-castings, one end of each assembly line is connect with the reflecting plate die casting.The present invention has been not only simple the production of antenna, and improves the bandwidth of antenna well, and covering frequence can extend to 698MHz-4000MHz；Meanwhile antenna size is smaller, and structure is simple, and it is functional, it is suitable for producing in enormous quantities.
Description
Technical field
The present invention relates to mobile communication antenna technical fields, more particularly to a kind of wide band log-periodic antenna.
Background technique
Log-periodic antenna is a kind of relatively simple for structure, performance relative good frequency-independent antenna, its purposes is extremely
Extensively, in microwave band, the illuminator of reflector antenna or lens antenna, radiating element of phased array antenna etc. be can be used as；
In ultrashort wave band, it can be used as the television receiving antenna and broad band communications antenna of all-channel；In short-wave band, 3- both can be used as
The fixed antenna of 30MHz, can also be in 6-30MHz as rotational-symmetric array antenna.Log-periodic antenna has directionality, certain
Higher gain can be kept in bandwidth.Existing log-periodic antenna can usually cover GSM800, GSM1800, WCDMA, TD-
The frequency ranges such as SCDMA, LTE, but with the development that 5G is communicated, the bandwidth for broadening existing antenna is extremely urgent.
Summary of the invention
The purpose of the present invention is to provide a kind of size constancy, structure is simple, is easily integrated, and covering frequence can extend
To the log-periodic antenna of 698MHz-4000MHz.
To achieve the above objectives, the present invention adopts the following technical scheme:
A kind of wideband log periodic antenna, including antenna cover, antenna radiation unit and coaxial cable, the antenna spoke
It penetrates unit to be arranged in the antenna cover, the coaxial cable connect with the antenna radiation unit and is drawn out to the day
Outside line outer cover；The antenna radiation unit includes: several pairs of symmetrical dipole oscillators, two assembly lines and reflecting plate, each described
Symmetrical dipole oscillator is connect with two assembly lines respectively, and the one of the antenna radiation unit is arranged in the reflecting plate
End；It is characterized in that, each symmetrical dipole oscillator is together with two assembly line rheo-die-castings, each assembly line
One end connect with the reflecting plate die casting.
As a further illustration of the above scheme, the coaxial cable, which passes through the reflecting plate, is connected to each assembly line
End, realize to the feed of the antenna radiation unit.
As a further illustration of the above scheme, the antenna cover includes the antenna housing fitted together and outer cover bottom
Seat, is provided with the circular hole that the coaxial cable can be made to pass through on the outer cover pedestal.
As a further illustration of the above scheme, being equipped with screw hole on the reflecting plate, the antenna radiation unit passes through
The screw hole is mounted on the outer cover pedestal.
As a further illustration of the above scheme, being completely cut off between two assembly lines by two insulation positioning cards, it is used in combination
Band is consolidated.
As a further illustration of the above scheme, each symmetrical dipole oscillator length from reflecting plate institute at one end
Successively decrease to the other end.
As a further illustration of the above scheme, the outer conductor of the coaxial cable is led with a set wire bonding
Logical, the inner core of the coaxial cable is connected with the other one set wire bonding.
As a further illustration of the above scheme, the working frequency of the wideband log-periodic antenna is 698MHz-
4000MHz。
Compared with prior art, the beneficial effects of the present invention are:
Wideband log periodic antenna provided by the invention, using by antenna cover, antenna radiation unit and coaxial cable
It constitutes, the structure that antenna radiation unit is connected using multipair symmetrical dipole oscillator, two assembly lines with reflecting plate die casting, not only
The easy production of antenna, and the bandwidth of antenna is improved well, covering frequence can extend to 698MHz-4000MHz.
Wideband log periodic antenna size provided by the invention is smaller, and structure is simple, functional, is suitable for producing in enormous quantities.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of wideband log periodic antenna provided by the invention.
Fig. 2 show the structural schematic diagram of antenna radiation unit.
Fig. 3 show log-periodic antenna provided by the invention in the antenna pattern of 830MHz.
Fig. 4 show wideband log periodic antenna provided by the invention in the antenna pattern of 2200MHz.
Fig. 5 show wideband log periodic antenna provided by the invention in the antenna pattern of 3550MHz.
Description of symbols:
1: antenna cover, 2: antenna radiation unit, 3: coaxial cable, 4-1: antenna housing, 4-2: outer cover pedestal, 5: symmetrical
Dipole element, 6-1: first set line, 6-2: second set line, 7: reflecting plate, the 8-1: the first insulation positioning card, 8-2: the second
Insulate positioning card.
Specific embodiment
In the description of the present invention, it should be noted that " transverse direction ", " vertical if any term " center " for the noun of locality
To ", " length ", " width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top",
The indicating positions such as "bottom", "inner", "outside", " clockwise ", " counterclockwise " and positional relationship are orientation based on the figure or position
Relationship is set, the narration present invention is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning are necessary
It constructs and operates with specific orientation, with particular orientation, should not be understood as limiting specific protection scope of the invention.
In addition, being used for description purposes only if any term " first ", " second ", it is not understood to indicate or imply relatively heavy
The property wanted or the quantity for implicitly indicating technical characteristic." first " is defined as a result, " second " feature can be expressed or implicit include
One or more this feature, in the present description, " at least " are meant that one or more, unless otherwise clearly having
The restriction of body.
In the present invention, except as otherwise clear stipulaties and restriction, should make if any term " assembling ", " connected ", " connection " term
Broad sense goes to understand, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to mechanical connect
It connects；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For ability
For the those of ordinary skill of domain, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In invention, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" may include
First and second features directly contact, also may include fisrt feature and second feature be not direct contact but by them it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
Right above two features and oblique upper, or be only to indicate that first feature horizontal height is higher than the height of second feature.Fisrt feature
Second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only table
Show first feature horizontal height lower than second feature.
Below with reference to the attached drawing of specification, a specific embodiment of the invention is further described, is made of the invention
Technical solution and its benefits are clearer.It describes embodiment below with reference to attached drawing to be exemplary, it is intended to solve
The present invention is released, and is not considered as limiting the invention.
As Figure 1-Figure 2, a kind of wideband log-periodic antenna, comprising: antenna cover 1, antenna radiation unit 2 and coaxial
Cable 3, the antenna radiation unit 2 are arranged in the antenna cover 1, the coaxial cable 3 and the antenna radiation unit 2
It connects and is drawn out to outside the antenna cover 1.
Wherein, the antenna cover 1 includes the antenna housing 4-1 and outer cover pedestal 4-2 fitted together, in the outer cover
The circular hole that coaxial cable 3 can be made to pass through is provided on pedestal 4-2.
The antenna radiation unit 2 includes: several pairs of symmetrical dipole oscillators 5, first set line 6-1, second set line
6-2 and reflecting plate 7, each dipole element 5 is together with first set line 6-1, second set line 6-2 rheo-die-casting, and two
One end of assembly line is also to be connect by die casting with reflecting plate 7.
Preferably, the end of the antenna radiation unit 2 is arranged in the reflecting plate 7, and screw is equipped on reflecting plate 7
Hole, for antenna radiation unit 2 to be fixed on outer cover pedestal 4-2.Meanwhile it also being provided with may make coaxial cable 3 on reflecting plate 7
The circular hole passed through, coaxial cable 3 passes through outer cover pedestal 4-2 and reflecting plate 7 is connected to first set line 6-1 and second set line 6-
2 top, the outer conductor and first set line 6-1 of coaxial cable 3 weld, and inner core and second set line 6-2 are welded, to realize
To the feed of antenna radiation unit.
Preferably, positioning card 8-1, second are insulated absolutely with first between the first set line 6-1 and second set line 6-2
Edge positioning card 8-2 is completely cut off, and is consolidated with band.
It is further preferred that each symmetrical dipole oscillator length is passed to the other end at one end from the reflecting plate
Subtract.
A kind of wideband log periodic antenna provided in this embodiment, using by antenna cover, antenna radiation unit and same
Shaft cable is constituted, the knot that antenna radiation unit is connected using multipair symmetrical dipole oscillator, two assembly lines with reflecting plate die casting
Structure has been not only simple the production of antenna, and improves the bandwidth of antenna well, and covering frequence can extend to 698MHz-
4000MHz.Wideband log periodic antenna size provided in this embodiment is smaller, and structure is simple, functional, is suitable for large quantities of
Amount production.
From the foregoing description of structures and principles it should be understood by those skilled in the art that, the present invention not office
It is limited to above-mentioned specific embodiment, this hair is all fallen within using the improvement of techniques well known and substitution on the basis of the present invention
Bright protection scope, protection scope of the present invention should limit it by each claim and its equivalent.In specific embodiment
The part not illustrated is the prior art or common knowledge.
Claims (8)
1. a kind of wideband log periodic antenna, including antenna cover, antenna radiation unit and coaxial cable, the aerial radiation
Unit is arranged in the antenna cover, and the coaxial cable connect with the antenna radiation unit and is drawn out to the antenna
Outside outer cover；The antenna radiation unit includes: several pairs of symmetrical dipole oscillators, two assembly lines and reflecting plate, each described right
Dipole element is claimed to connect respectively with two assembly lines, one end of the antenna radiation unit is arranged in the reflecting plate；
It is characterized in that, each symmetrical dipole oscillator is together with two assembly line rheo-die-castings, each assembly line
One end is connect with the reflecting plate die casting.
2. a kind of wideband log periodic antenna according to claim 1, which is characterized in that the coaxial cable passes through institute
The end that reflecting plate is connected to each assembly line is stated, realizes the feed to the antenna radiation unit.
3. a kind of wideband log periodic antenna according to claim 1, which is characterized in that the antenna cover includes group
The antenna housing and outer cover pedestal being fitted together, are provided with the circle that the coaxial cable can be made to pass through on the outer cover pedestal
Hole.
4. a kind of wideband log periodic antenna according to claim 3, which is characterized in that be equipped on the reflecting plate
Screw hole, the antenna radiation unit are mounted on the outer cover pedestal by the screw hole.
5. a kind of wideband log periodic antenna according to claim 1, which is characterized in that between two assembly lines
Completely cut off by two insulation positioning cards, and is consolidated with band.
6. a kind of wideband log periodic antenna according to claim 1, which is characterized in that each symmetrical dipole vibration
Sub- length is successively decreased to the other end at one end from the reflecting plate.
7. a kind of wideband log periodic antenna according to claim 1, which is characterized in that the outer of the coaxial cable is led
Body is connected with a set wire bonding, and the inner core of the coaxial cable is connected with the other one set wire bonding.
8. a kind of wideband log periodic antenna according to claim 1, which is characterized in that the broadband logarithm period
The working frequency of antenna is 698MHz-4000MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258169.XA CN109994821A (en) | 2019-04-01 | 2019-04-01 | A kind of wideband log periodic antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910258169.XA CN109994821A (en) | 2019-04-01 | 2019-04-01 | A kind of wideband log periodic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109994821A true CN109994821A (en) | 2019-07-09 |
Family
ID=67132003
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910258169.XA Pending CN109994821A (en) | 2019-04-01 | 2019-04-01 | A kind of wideband log periodic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109994821A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342197A (en) * | 2020-03-16 | 2020-06-26 | 河南爱科瑞特电子科技有限公司 | Miniaturized log-periodic antenna |
| CN112821078A (en) * | 2021-01-08 | 2021-05-18 | 湖南国科锐承电子科技有限公司 | Broadband miniaturized log-periodic antenna |
| CN117477200A (en) * | 2023-09-22 | 2024-01-30 | 人天通信集团有限公司 | Single polarization log periodic antenna |
Citations (6)
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|---|---|---|---|---|
| US20020163476A1 (en) * | 2001-05-03 | 2002-11-07 | Radiovector U.S.A. Llc | Single piece element for a dual polarized antenna |
| CN204029976U (en) * | 2014-07-18 | 2014-12-17 | 南京华脉科技股份有限公司 | A kind of ultra wideband dual polarization base station antenna radiation unit |
| CN206180114U (en) * | 2016-11-02 | 2017-05-17 | 广州创锦通信技术有限公司 | Die cast mould wideband log periodic antenna |
| CN206349497U (en) * | 2017-01-18 | 2017-07-21 | 佛山市盛夫通信设备有限公司 | A kind of log-periodic antenna |
| KR101866358B1 (en) * | 2017-04-17 | 2018-07-04 | (주)에이티앤에스 | Wideband Log-periodic Dipole Antenna |
| CN209641828U (en) * | 2019-04-01 | 2019-11-15 | 佛山市盛夫通信设备有限公司 | A kind of wideband log periodic antenna |
-
2019
- 2019-04-01 CN CN201910258169.XA patent/CN109994821A/en active Pending
Patent Citations (6)
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|---|---|---|---|---|
| US20020163476A1 (en) * | 2001-05-03 | 2002-11-07 | Radiovector U.S.A. Llc | Single piece element for a dual polarized antenna |
| CN204029976U (en) * | 2014-07-18 | 2014-12-17 | 南京华脉科技股份有限公司 | A kind of ultra wideband dual polarization base station antenna radiation unit |
| CN206180114U (en) * | 2016-11-02 | 2017-05-17 | 广州创锦通信技术有限公司 | Die cast mould wideband log periodic antenna |
| CN206349497U (en) * | 2017-01-18 | 2017-07-21 | 佛山市盛夫通信设备有限公司 | A kind of log-periodic antenna |
| KR101866358B1 (en) * | 2017-04-17 | 2018-07-04 | (주)에이티앤에스 | Wideband Log-periodic Dipole Antenna |
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Non-Patent Citations (1)
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111342197A (en) * | 2020-03-16 | 2020-06-26 | 河南爱科瑞特电子科技有限公司 | Miniaturized log-periodic antenna |
| CN111342197B (en) * | 2020-03-16 | 2024-03-22 | 河南爱科瑞特电子科技有限公司 | Miniaturized log periodic antenna |
| CN112821078A (en) * | 2021-01-08 | 2021-05-18 | 湖南国科锐承电子科技有限公司 | Broadband miniaturized log-periodic antenna |
| CN117477200A (en) * | 2023-09-22 | 2024-01-30 | 人天通信集团有限公司 | Single polarization log periodic antenna |
| CN117477200B (en) * | 2023-09-22 | 2024-04-05 | 人天通信集团有限公司 | Single polarization log periodic antenna |
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