CN209641828U - A kind of wideband log periodic antenna - Google Patents
A kind of wideband log periodic antenna Download PDFInfo
- Publication number
- CN209641828U CN209641828U CN201920429932.6U CN201920429932U CN209641828U CN 209641828 U CN209641828 U CN 209641828U CN 201920429932 U CN201920429932 U CN 201920429932U CN 209641828 U CN209641828 U CN 209641828U
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- antenna
- radiation unit
- reflecting plate
- coaxial cable
- log periodic
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Abstract
The utility model 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 utility model 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 utility model relates to mobile communication antenna technical fields, more particularly to a kind of wide band logarithm period day
Line.
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.
Utility model content
The purpose of this utility model is to provide a kind of size constancy, structure is simple, is easily integrated, and covering frequence can be with
Expand to the log-periodic antenna of 698MHz-4000MHz.
To achieve the above objectives, the utility model adopts the following technical solution:
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 utility model has the beneficial effects that
Wideband log periodic antenna provided by the utility model, using by antenna cover, antenna radiation unit and coaxial
Cable is constituted, the structure that antenna radiation unit is connected using multipair symmetrical dipole oscillator, two assembly lines with reflecting plate die casting,
It has been not only simple the production of antenna, and has improved the bandwidth of antenna well, covering frequence can extend to 698MHz-
4000MHz.Wideband log periodic antenna size provided by the utility model is smaller, and structure is simple, functional, is suitable for big
Batch production.
Detailed description of the invention
Fig. 1 show the structural schematic diagram of wideband log periodic antenna provided by the utility model.
Fig. 2 show the structural schematic diagram of antenna radiation unit.
Fig. 3 show log-periodic antenna provided by the utility model in the antenna pattern of 830MHz.
Fig. 4 show wideband log periodic antenna provided by the utility model in the antenna pattern of 2200MHz.
Fig. 5 show wideband log periodic antenna provided by the utility model 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 for the noun of locality, if any term " center ", " transverse direction ",
" longitudinal direction ", " 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, narration the utility model is merely for convenience of and simplifies description, rather than the device or element of indication or suggestion meaning
It must have a particular orientation, constructed and operated with particular orientation, should not be understood as the specific protection model for limiting the utility model
It encloses.
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 utility model description, " at least " is meant that one or more, unless otherwise bright
It is really specific to limit.
In the present invention, except as otherwise clear stipulaties and restriction, if any term " assembling ", " connected ", " connection " term
It should go to understand as broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It is also possible to machine
Tool connection；It can be directly connected, be also possible to be connected by intermediary, can be and be connected inside two elements.For
For those of ordinary skill in the art, can understand as the case may be above-mentioned term in the present invention specifically contain
Justice.
In utility model, unless otherwise specified and limited, fisrt feature second feature "upper" or "lower" can be with
It is directly contacted including the first and second features, also may include that fisrt feature and second feature are not direct contacts but pass through it
Between other characterisation contact.Moreover, fisrt feature second feature " on ", " under " and " above " include fisrt feature
It right above second feature and oblique upper, or is only to indicate that first feature horizontal height is higher than the height of second feature.First
Feature second feature " on ", " under " and " below " include that fisrt feature is directly under or diagonally below the second feature, or only
Only indicate that first feature horizontal height is lower than second feature.
Below with reference to the attached drawing of specification, specific embodiment of the present utility model is further described, makes this reality
With novel technical solution and its benefits are clearer.It is exemplary for describing embodiment below with reference to attached drawing
, it is intended to it explains the utility model, and should not be understood as limiting the present 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 utility model
It is not limited to above-mentioned specific embodiment, it is equal using the improvement of techniques well known and substitution on the basis of the utility model
The protection scope of the utility model is fallen in, the protection scope of the utility model should be limited by each claim and its equivalent
It.The part not illustrated in specific embodiment is the prior art or common knowledge.
Claims (7)
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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920429932.6U CN209641828U (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 |
|---|---|---|---|
| CN201920429932.6U CN209641828U (en) | 2019-04-01 | 2019-04-01 | A kind of wideband log periodic antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209641828U true CN209641828U (en) | 2019-11-15 |
Family
ID=68497136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920429932.6U Active CN209641828U (en) | 2019-04-01 | 2019-04-01 | A kind of wideband log periodic antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209641828U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994821A (en) * | 2019-04-01 | 2019-07-09 | 佛山市盛夫通信设备有限公司 | A kind of wideband log periodic antenna |
| CN112803167A (en) * | 2020-12-23 | 2021-05-14 | 西安方元明科技股份有限公司 | Double-frequency log periodic antenna for jammer |
-
2019
- 2019-04-01 CN CN201920429932.6U patent/CN209641828U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109994821A (en) * | 2019-04-01 | 2019-07-09 | 佛山市盛夫通信设备有限公司 | A kind of wideband log periodic antenna |
| CN112803167A (en) * | 2020-12-23 | 2021-05-14 | 西安方元明科技股份有限公司 | Double-frequency log periodic antenna for jammer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220622 Address after: 528100 No. 20-1 (F4) Private Science Park, Nanfeng Avenue, Southwest Street, Sanshui District, Foshan City, Guangdong Province Patentee after: FOSHAN SHENGFU COMMUNICATION EQUIPMENT CO.,LTD. Patentee after: Guangdong Shenglu Communication Co., Ltd Address before: 528100 No. 20-1 (F4) Private Science Park, Nanfeng Avenue, Southwest Street, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN SHENGFU COMMUNICATION EQUIPMENT CO.,LTD. |
|
| TR01 | Transfer of patent right |