CN203787564U - Double broadband directional antenna - Google Patents
Double broadband directional antenna Download PDFInfo
- Publication number
- CN203787564U CN203787564U CN201420044782.4U CN201420044782U CN203787564U CN 203787564 U CN203787564 U CN 203787564U CN 201420044782 U CN201420044782 U CN 201420044782U CN 203787564 U CN203787564 U CN 203787564U
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- Prior art keywords
- signal
- reflecting plate
- plate
- signal reflecting
- directional antenna
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- Expired - Lifetime
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- 230000011514 reflex Effects 0.000 claims description 22
- 230000007797 corrosion Effects 0.000 claims description 4
- 238000005260 corrosion Methods 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 230000005855 radiation Effects 0.000 abstract description 9
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
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- Aerials With Secondary Devices (AREA)
Abstract
The utility model discloses a double broadband directional antenna. The double broadband directional antenna comprises a bottom plate, a signal radiant panel and a signal reflecting plate, the signal radiant panel and the signal reflecting plate are connected with the bottom plate fixedly and separately, and the signal radiant panel comprises a radiation surface, extending ends and a feeding point. The extending ends are arranged at one side of a plane direction of the radiation surface symmetrically, and the feeding point is arranged at the other side of the plane direction of the radiation surface and is arranged at the endpoint part of the axis of the radiation surface. The signal reflecting plate comprises a first signal reflecting plate and a second signal reflecting plate, the first signal reflecting plate is arranged at one side of the feeding point, and the second signal reflecting plate is arranged at one side of the extending ends and is equipped with notches. The first and second signal reflecting plates are arranged correspondingly, and the signal radiant panel and the signal reflecting plate are located at the same height level. A built-in antenna of the utility model is mainly applied to a miniature repeater needing the indoor or outdoor coverage and reception.
Description
Technical field
The utility model relates to a kind of mobile communication system and accepts antenna, relates in particular to a kind of pair of broadband directional antenna.
Background technology
Along with the development of existing mobile communication technology, wireless communication technology has been brought convenience to people's life, has improved the efficiency of people's exchanges data, makes people can grasp needed information whenever and wherever possible.In wireless communication technology, need to use antenna transmission signal and receive signal, at present, microstrip antenna is a kind of directional antenna form extensively adopting in wireless communication system, it is laminar that profile is, be easy to be connected with other equipment and install, technique is advanced, easy batch machining, be applicable to suitability for industrialized production, but the gain of microstrip antenna is conventionally higher, change the shape of microstrip antenna or microstrip antenna is produced on the dielectric material of high-k and can reduce antenna gain, but can make microstrip antenna can become omnidirectional antenna or cost raising, and when the material of antenna and size fixing after, gain just no longer changes, cannot meet the demand of communicating by letter under different distance.Existing microstrip antenna size is large, cannot meet device miniaturization, integrated demand, does not meet the requirement now electronic equipment profile being beautified; Microstrip antenna electromagenetic wave radiation distance, more energy and leakage of information to the non-comunication area, make uncorrelated equipment receive electromagnetic wave, are unfavorable for the confidentiality of communication and anti-interference, also can cause certain electromagnetic pollution to environment; Microstrip antenna structure is complicated, and cost is high, is unfavorable for industrial production.In practice, often require directional antenna should have the features such as high-gain, miniaturization, broadband, directed radiation, the gain of single microstrip antenna radiation element and directivity are all difficult to reach requirement.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of pair of broadband directional antenna, and the design by radiating surface and reflecting plate realizes the characteristics such as high-gain, miniaturization, wide-band and directed radiation, thereby solves the deficiencies in the prior art.For solving the problems of the technologies described above, technical solution of the present utility model is: a kind of pair of broadband directional antenna, comprise base plate, signal radiant panel and signal reflex plate, and described signal radiant panel is fixedly connected with described base plate respectively with described signal reflex plate; Described signal radiant panel comprises radiating surface, elongated end and distributing point, described elongated end is symmetricly set in a side of described radiating surface in-plane, described distributing point is arranged at the opposite side of radiating surface in-plane, and described distributing point is opened in the end points portion of described radiating surface axis; Described signal reflex plate comprises first signal reflecting plate and secondary signal reflecting plate, described first signal reflecting plate is arranged at described distributing point one side, described secondary signal reflecting plate is arranged at a side of described elongated end, secondary signal reflecting plate is provided with otch, first signal reflecting plate and the corresponding setting of secondary signal reflecting plate; Described signal radiant panel and signal reflex plate are in same level height.
Further, described radiating surface is circle or isosceles trapezoid or triangle or polygon.
Further, described elongated end comprises connecting portion and free portion, and connecting portion is connected with radiating surface, and radiating surface extends in free portion, is L shaped or polygon.
Further, described first signal reflecting plate is provided with U-shaped buckle and cable-through hole, U-shaped buckle is fixedly connected on first signal reflecting plate, cable-through hole is opened in the lower end of U-shaped buckle, the heart yearn of coaxial feeder is connected with distributing point with U-shaped buckle through cable-through hole, and described U-shaped buckle is fixedly connected with the rivet that is fixedly connected as of first signal reflecting plate.
Further, described cable-through hole is square or circular.
Further, described otch is at least provided with two, and otch is strip.
Further, described signal radiant panel, signal reflex plate and base plate are corrosion resistant plate or aluminium sheet.
Further, be also provided with limit for height post on described base plate, one end of limit for height post is fixedly connected with base plate, and the other end of limit for height post is fixedly connected with signal radiant panel, and limit for height post adopts plastic material to make.
Further, described limit for height post is threaded with being fixedly connected as of signal radiant panel and base plate.
Further, described signal reflex plate is threaded with being fixedly connected as of base plate.
Adopt after such scheme, the beneficial effects of the utility model are not increase under the prerequisite of antenna size, utilize radiating surface to increase the bandwidth of antenna, further improve the performance of antenna, concrete, have following advantage:
1, this utility model antenna is the small-sized microstrip antenna that adopts signal radiant panel and signal reflex plate to form, and has solved the problems such as existing microstrip antenna frequency band is narrow, gain inequality, directed radiation poor performance;
2, the elongated end of this antenna and the coupling of signal reflex plate, current path is elongated, makes antenna obtain larger standing wave bandwidth;
3, processing assembling is simple, and cost is low: by the design of radiating surface, reflecting plate and distributing point, making antenna obtain larger bandwidth is 0.71-1.07GHZ, 1.64-3GHZ;
4, signal radiant panel, signal reflex plate and base plate all adopt corrosion resistant plate to be processed into through cutting and bending, and mechanical strength increases.
5, can cover 2G, 3G communication network, horizontal beam width is wide, and with respect to the antenna of extensive use on market, this antenna size dwindles greatly, makes antenna miniaturization, and on the basis of miniaturization, has retained the feature of antenna high-gain.
Accompanying drawing explanation
Fig. 1 is the overall structure figure of the utility model antenna;
Fig. 2 is the front view of the utility model antenna;
Fig. 3 is the end view of the utility model antenna;
Fig. 4 is emulation return loss figure of the present utility model.
Main element symbol description
1, base plate 11, limit for height post
2, signal radiant panel
21, radiating surface
22, elongated end 221, connecting portion 222, free portion
23, distributing point
3, signal reflex plate
31, first signal reflecting plate 311, U-shaped buckle 312, cable-through hole
32, secondary signal reflecting plate 321, bar shaped otch.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
As shown in Figure 1 to Figure 3, what the utility model disclosed is a kind of pair of broadband directional antenna, comprise base plate 1, signal radiant panel 2 and signal reflex plate 3, signal radiant panel 2 is fixedly connected with base plate 1 respectively with signal reflex plate 3, signal reflex plate 3 is used and is threaded with being fixedly connected with of base plate 1, on base plate 1, be also provided with limit for height post 11, one end of limit for height post 11 is fixedly connected with base plate 1, the other end of limit for height post 11 is fixedly connected with signal radiant panel 2, limit for height post 11 is threaded with signal radiant panel 2 and being fixedly connected as of base plate 1, and limit for height post 11 adopts plastic material to make, signal radiant panel 2 comprises radiating surface 21, elongated end 22 and distributing point 23, radiating surface 21 can be designed as circle or isosceles trapezoid or triangle or polygon, elongated end 22 is symmetricly set in a side of radiating surface 21 in-planes, elongated end 22 comprises connecting portion 221 and free portion 222, connecting portion 221 is connected with radiating surface 21, radiating surface 21 extends in free portion 222, for L shaped, distributing point 23 is semicircle, prevent coaxial line activation signal reflecting plate 3, be arranged at the opposite side of radiating surface 21 in-planes, and distributing point 23 is opened in the end points portion of radiating surface 21 axis, signal reflex plate 3 comprises first signal reflecting plate 31 and secondary signal reflecting plate 32, first signal reflecting plate 31 is arranged at distributing point 23 1 sides, first signal reflecting plate 31 is provided with U-shaped buckle 311 and cable-through hole 312, U-shaped buckle 311 is fixedly connected on first signal reflecting plate 31, cable-through hole 312 is opened in the lower end of U-shaped buckle 311, cable-through hole 312 is square or circular, the heart yearn of coaxial feeder is connected with distributing point 23 with U-shaped buckle 311 through cable-through hole 312, U-shaped buckle 311 is fastened in coaxial feeder on first signal reflecting plate 31, U-shaped buckle 311 is fixedly connected with the rivet that is fixedly connected as of first signal reflecting plate 31, secondary signal reflecting plate 32 is arranged at a side of elongated end 22, and secondary signal reflecting plate 32 is provided with otch 321, and otch 321 is at least provided with two, and otch is strip, and this otch 321 can change current path, and improves bandwidth, first signal reflecting plate 31 and the corresponding setting of secondary signal reflecting plate 32, signal radiant panel 2 and signal reflex plate 3 are in same level height, signal radiant panel 2, signal reflex plate 3 and base plate 1 adopt corrosion resistant plate or aluminium sheet, and are processed into through cutting and bending.
The utility model processing assembling is simple, and cost is low.By the design of signal radiant panel and feeding network, make antenna obtain larger bandwidth 0.71-1.07GHZ, 1.64-3GHZ.Signal radiant panel is carried out to change of shape slightly, can obtain larger standing wave bandwidth.In addition, the return loss plot of antenna as shown in Figure 4, at 0.71GHZ-1.07GHZ, be less than-10dB of return loss in 1.64GHZ-3GHZ band limits.Due to antenna size and limitation in height, this antenna gain is between 4-7.5dBi, and the relatively general plate aerial that gains is lower, does not reach optimization effect, and as expanded antenna size and limitation in height, antenna gain will further increase.
Above embodiment is preferred embodiment of the present utility model, only for illustration of the utility model, but not to restriction of the present utility model, person skilled in the relevant technique, in the situation that not departing from spirit and scope of the present utility model, can also make various conversion or variation.Therefore, all technical schemes that are equal to also should belong to category of the present utility model.
Claims (10)
1. two broadband directional antennas, is characterized in that: comprise base plate, signal radiant panel and signal reflex plate, described signal radiant panel is fixedly connected with described base plate respectively with described signal reflex plate; Described signal radiant panel comprises radiating surface, elongated end and distributing point, described elongated end is symmetricly set in a side of described radiating surface in-plane, described distributing point is arranged at the opposite side of radiating surface in-plane, and described distributing point is opened in the end points portion of described radiating surface axis; Described signal reflex plate comprises first signal reflecting plate and secondary signal reflecting plate, described first signal reflecting plate is arranged at described distributing point one side, described secondary signal reflecting plate is arranged at a side of described elongated end, secondary signal reflecting plate is provided with otch, first signal reflecting plate and the corresponding setting of secondary signal reflecting plate; Described signal radiant panel and signal reflex plate are in same level height.
2. a kind of pair of broadband directional antenna according to claim 1, is characterized in that: described radiating surface is circle or isosceles trapezoid or triangle or polygon.
3. a kind of pair of broadband directional antenna according to claim 1, is characterized in that: described elongated end comprises connecting portion and free portion, and connecting portion is connected with radiating surface, and radiating surface extends in free portion, is L shaped or polygon.
4. according to a kind of pair of broadband directional antenna described in claim 1 or 2 or 3, it is characterized in that: described first signal reflecting plate is provided with U-shaped buckle and cable-through hole, U-shaped buckle is fixedly connected on first signal reflecting plate, cable-through hole is opened in the lower end of U-shaped buckle, the heart yearn of coaxial feeder is connected with distributing point with U-shaped buckle through cable-through hole, and described U-shaped buckle is fixedly connected with the rivet that is fixedly connected as of first signal reflecting plate.
5. a kind of pair of broadband directional antenna according to claim 4, is characterized in that: described cable-through hole is square or circular.
6. according to a kind of pair of broadband directional antenna described in claim 1 or 2 or 3, it is characterized in that: described otch is at least provided with two, and otch is strip.
7. according to a kind of pair of broadband directional antenna described in claim 1 or 2 or 3, it is characterized in that: described signal radiant panel, signal reflex plate and base plate are corrosion resistant plate or aluminium sheet.
8. a kind of pair of broadband directional antenna according to claim 1 and 2, it is characterized in that: on described base plate, be also provided with limit for height post, one end of limit for height post is fixedly connected with base plate, and the other end of limit for height post is fixedly connected with signal radiant panel, and limit for height post adopts plastic material to make.
9. a kind of pair of broadband directional antenna according to claim 8, is characterized in that: described limit for height post is threaded with being fixedly connected as of signal radiant panel and base plate.
10. a kind of pair of broadband directional antenna according to claim 1, is characterized in that: described signal reflex plate is threaded with being fixedly connected as of base plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044782.4U CN203787564U (en) | 2014-01-24 | 2014-01-24 | Double broadband directional antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044782.4U CN203787564U (en) | 2014-01-24 | 2014-01-24 | Double broadband directional antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203787564U true CN203787564U (en) | 2014-08-20 |
Family
ID=51323719
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044782.4U Expired - Lifetime CN203787564U (en) | 2014-01-24 | 2014-01-24 | Double broadband directional antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203787564U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159455A (en) * | 2015-04-27 | 2016-11-23 | 安弗施无线射频系统（上海）有限公司 | For the buckle that plastic components is fixed on reflecting plate and reflecting plate |
-
2014
- 2014-01-24 CN CN201420044782.4U patent/CN203787564U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106159455A (en) * | 2015-04-27 | 2016-11-23 | 安弗施无线射频系统（上海）有限公司 | For the buckle that plastic components is fixed on reflecting plate and reflecting plate |
| CN106159455B (en) * | 2015-04-27 | 2022-10-04 | 安弗施无线射频系统（上海）有限公司 | Buckle for fixing plastic component on reflecting plate and reflecting plate |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140820 |
|
| CX01 | Expiry of patent term |