CN210006928U

CN210006928U - miniaturized single-polarization wall-mounted antenna

Info

Publication number: CN210006928U
Application number: CN201920677027.2U
Authority: CN
Inventors: 胡轶; 梁晓涓; 萧霖; 钟勇
Original assignee: Foshan Shengda Communication Equipment Co Ltd
Current assignee: Foshan Shengfu Communication Equipment Co ltd; Guangdong Shenglu Communication Co Ltd
Priority date: 2019-05-13
Filing date: 2019-05-13
Publication date: 2020-01-31
Anticipated expiration: 2029-05-13

Abstract

The utility model discloses an miniaturized unipolar hanging antenna, a serial communication port, including reflecting plate, low frequency oscillator, the intermediate frequency oscillator, the high frequency oscillator, the combiner, connecting wire and coaxial cable, the low frequency oscillator includes radiation paster and rectangle feed piece, rectangle feed piece end and radiation paster welding, the feed to the low frequency oscillator is realized with port welding of combiner to end, the intermediate frequency oscillator includes PCB oscillator, metal balun, the bottom plate, metal balun both ends respectively with PCB oscillator and floor welding, connecting wire end is connected the PCB oscillator, end connection combiner realizes the feed to the intermediate frequency oscillator, second connecting wire end and high frequency oscillator welding, end and the port welding of combiner realize the feed to the high frequency oscillator, coaxial cable is connected with the input port of combiner, realize the feed to whole antenna.

Description

miniaturized single-polarization wall-mounted antenna

Technical Field

The utility model relates to a mobile communication antenna technical field especially relates to miniaturized single polarization hanging antennas that are used for 5G indoor coverage.

Background

The indoor distributed antenna is kinds of mobile communication system antenna, mainly used for indoor signal coverage, such as meeting place, hotel, office building, etc. where the indoor distributed system is needed to cover, small indoor antenna is used.

In order to avoid affecting the indoor environment, generally requires the indoor distributed antenna to be small in size and attractive in appearance, and the existing domestic single-polarized wall-mounted antenna with smaller size and capable of covering multiple frequency bands is usually too large in size, higher in cost and not beneficial to production.

SUMMERY OF THE UTILITY MODEL

To the defect that prior art exists, the utility model aims to provide kinds of occupation space are little, reasonable in design, the feed is simple and the lower miniaturized unipolar hanging antennas of cost.

In order to achieve the above purpose, the utility model adopts the following technical scheme.

A miniaturized single-polarization wall-mounted antenna is characterized by comprising an outer cover, a reflection plate, a low-frequency oscillator, a medium-frequency oscillator, a high-frequency oscillator, a combiner, a connecting wire and a coaxial cable, wherein the reflection plate, the low-frequency oscillator, the medium-frequency oscillator, the high-frequency oscillator, the low-frequency oscillator, the medium-frequency oscillator and the high-frequency oscillator are arranged in the outer cover, the low-frequency oscillator, the medium-frequency oscillator and the high-frequency oscillator are all located above the reflection plate, the low-frequency oscillator is higher than the medium-frequency oscillator and the high-frequency oscillator, the medium-frequency oscillator and the high-frequency oscillator are arranged in parallel, the low-frequency oscillator comprises a radiation patch and a rectangular feed sheet, the end of the rectangular feed sheet is connected with the radiation patch, the other end of the rectangular feed sheet is connected with the combiner to feed the low-frequency oscillator, the medium-frequency oscillator comprises a PCB oscillator, a metal balun and a bottom plate, holes enabling the metal balun and the connecting wire to pass through are formed in the PCB oscillator and the combiner to achieve medium-frequency oscillator to the medium-frequency oscillator, the high-frequency combiner is connected with the input port of the coaxial cable, and the wall-mounted antenna is connected with the feed combiner.

More preferably, the outer edge of the reflecting plate is provided with an upward folded side edge, and the height of the side edge is 10-30 mm.

More preferably, the radiation patch is an E-shaped patch, and a side edge of the E-shaped patch is bent and extended toward the reflection plate.

More preferably, the material of the radiation patch is copper.

More preferably, the PCB vibrator is composed of two groups of mutually crossing dipoles, groups of dipoles are excitation vibrators, and groups of dipoles are coupling branches.

More preferably, the radiation oscillator of the high-frequency oscillator has a double-sided printed dipole structure.

More preferably, the reflection plate is fixed to the bottom of the housing by screws.

More preferably, both ends of the rectangular feeding tab are welded to output ports of the radiation patches and the combiner, respectively.

More preferably, the frequency coverage range of the miniaturized single-polarized wall-mounted antenna is as follows: 698MHz-960MHz, 1710MHz-2700MHz, 3300MHz-3800 MHz.

Compared with the prior art, the utility model discloses the beneficial effect that can reach is:

, the utility model provides a miniaturized unipolar hanging antenna, mainly by the reflecting plate, the low frequency oscillator, the intermediate frequency oscillator, the high frequency oscillator, the combiner, connecting wire and coaxial cable constitute, intermediate frequency oscillator and high frequency oscillator adopt the printing oscillator structure of easily producing, the low frequency oscillator adopts the paster structure of easily realizing, thus, the low frequency oscillator can reduce the size of antenna through buckling the oscillator, overcome current unipolar hanging antenna size too big, the cost is higher, the complicated shortcoming of design, and can realize 698MHz-960MHz, 1710MHz-2700MHz, the signal coverage of 3300MHz-3800MHz three frequency channel.

And secondly, the low-frequency oscillator adopts a special rectangular feed sheet, the medium-frequency oscillator adopts a special metal balun, and the feed structure is simple, low in cost and good in electrical property, and is suitable for mass production.

Drawings

Fig. 1 is a schematic view of the whole structure of the wall-mounted antenna according to the present invention.

Fig. 2 is a schematic diagram illustrating an internal structure of the wall-mounted antenna according to the present invention;

fig. 3 is a side view of fig. 2.

Description of reference numerals:

1: antenna housing, 2: reflecting plate, 3: low-frequency oscillator, 4: intermediate frequency oscillator, 5: high-frequency oscillator, 6: combiner, 7: connecting wire, 8: a coaxial cable.

3-1: radiation patch, 3-2: a rectangular feed tab.

4-1: PCB oscillator, 4-2: metal balun, 4-3: a base plate.

Detailed Description

In the description of the present invention, it should be noted that, for the orientation words, if there are terms such as "center", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and positional relationship indicated are based on the orientation or positional relationship shown in the drawings, and only for the convenience of describing the present invention and simplifying the description, it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and not be construed as limiting the specific scope of the present invention.

Thus, the definition of "", "second" feature may or may not include or more of that feature, and in the description of the invention, "at least" means or or more unless specifically defined otherwise.

In the present invention, unless otherwise specifically stated or limited, the terms "assembled," "connected," and "connected" are used to be , for example, they may be fixed or detachable or connected physically, mechanically, directly or through an intermediary, and they may be interconnected between two elements.

In the present disclosure, unless otherwise specified and limited, "above" or "below" a second feature includes features directly contacting the second feature and may also include features and the second feature not directly contacting but contacting through another feature between them.furthermore, features "above", "below" and "above" the second feature includes features directly above and obliquely above the second feature or merely indicating that the characteristic is at a higher level than the second feature.features "above", "below" and "below" the second feature include features directly below or obliquely below the second feature or merely indicating that the characteristic is at a lower level than the second feature.

The following description of the embodiments of the present invention, in conjunction with the drawings of the specification, will be made in steps to make the technical solution and advantages of the present invention clearer and clearer.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, or may be learned by practice of the invention.

As shown in fig. 1-3, miniaturized single-polarized wall-mounted antennas comprise a cover 1, a reflector plate 2, a low-frequency oscillator 3, a medium-frequency oscillator 4, a high-frequency oscillator 5, a combiner 6, a connecting wire 7 and a coaxial cable 8, wherein the reflector plate 2 is arranged below each oscillator, the low-frequency oscillator 3 is positioned on the upper side of the reflector plate 2, the medium-frequency oscillator 4 and the high-frequency oscillator 5 are arranged on the lower side of the reflector plate 2 in parallel, and the cover 1 and the reflector plate 2 are fixed at through screws.

The low-frequency oscillator 3 comprises a radiation patch 3-1 and a rectangular feed sheet 3-2, wherein the end of the rectangular feed sheet 3-2 is welded with the radiation patch 3-1, the end is welded with ports of the combiner 6 to realize feeding of the low-frequency oscillator 3, the rectangular feed sheet 3-2 is perpendicular to the reflecting plate 2, and the radiation patch 3-1 is suspended above the reflecting plate 2.

The medium-frequency oscillator 4 comprises a PCB oscillator 4-1, a metal balun 4-2 and a bottom plate 4-3, round holes enabling the metal balun 4-2 and a connecting wire 7 to pass through are formed in the PCB oscillator 4-1 and the bottom plate 4-3, two ends of the metal balun 4-2 are respectively welded with the PCB oscillator 4-1 and the bottom plate 4-3, the end of the connecting wire 7 is connected with the PCB oscillator 4-1, the end is connected with ports of a combiner 6, and feeding of the medium-frequency oscillator 4 is achieved, and the metal balun 4-2 is perpendicular to the reflection plate 2 and the PCB oscillator 4-1.

The high-frequency oscillator 7 is welded with ports of the combiner 6 through another connecting wire 7 to realize the feed of the high-frequency oscillator 5, and the coaxial cable 8 is connected with the input port of the combiner 6 to realize the feed of the whole antenna.

Preferably, the outer edge of the reflecting plate 2 is provided with an upward folded side edge, and the height of the side edge is 10-30 mm. By providing side edges, the horizontal lobe width can be adjusted.

Preferably, the low frequency oscillator radiating patch 3-1 is an E-shaped patch made of copper, and in order to further reduce the size of the low frequency oscillator 3 in step , the side edge of the E-shaped patch is bent toward the reflecting plate to extend the oscillator.

Preferably, the PCB vibrator 4-1 of the if vibrator 4 is composed of two groups of mutually crossed dipoles, wherein pairs of dipoles are excitation vibrators, and the other pairs are coupling branches.

Further , the high frequency oscillator 5 is preferably a double-sided printed dipole structure.

Compared with the prior art, the miniaturized single-polarized wall-mounted antennas provided by the embodiment mainly comprise a reflecting plate, a low-frequency oscillator, a medium-frequency oscillator, a high-frequency oscillator, a combiner, a connecting wire and a coaxial cable, wherein the medium-frequency oscillator and the high-frequency oscillator are of printed oscillator structures easy to produce, and the low-frequency oscillator is of a patch structure easy to realize, so that the low-frequency oscillator can reduce the size of the antenna by bending the oscillator, the defects of overlarge size, high cost and complex design of the conventional single-polarized wall-mounted antenna are overcome, signal coverage of three frequency bands of 698MHz-960MHz, 1710MHz-2700MHz and 3300MHz-3800MHz can be realized, meanwhile, the low-frequency oscillator adopts a special rectangular feed sheet, the medium-frequency oscillator adopts a special metal balun, and the low-cost feed antenna is simple in structure, good in electrical performance and suitable for.

It will be understood by those skilled in the art from the foregoing description of the structure and principles that the present invention is not limited to the specific embodiments described above, and that modifications and substitutions based on the known art are intended to fall within the scope of the invention, which is defined by the claims and their equivalents. The details not described in the detailed description are prior art or common general knowledge.

Claims

The small single-polarization wall-mounted antenna is characterized by comprising an outer cover, a reflecting plate, a low-frequency oscillator, an intermediate-frequency oscillator, a high-frequency oscillator, a combiner, a connecting wire and a coaxial cable, wherein the reflecting plate, the low-frequency oscillator, the intermediate-frequency oscillator, the high-frequency oscillator, the combiner, the connecting wire and the coaxial cable are arranged in the outer cover, the low-frequency oscillator, the intermediate-frequency oscillator and the high-frequency oscillator are all located above the reflecting plate, the low-frequency oscillator is higher than the intermediate-frequency oscillator and the high-frequency oscillator, the intermediate-frequency oscillator and the high-frequency oscillator are arranged in parallel, the low-frequency oscillator comprises a radiation patch and a rectangular feed sheet, the end of the rectangular feed sheet is connected with the radiation patch, the other end of the rectangular feed sheet is connected with the combiner to feed the low-frequency oscillator, the intermediate-frequency oscillator comprises a PCB oscillator, a metal balun and a bottom plate, holes capable of enabling the metal balun and the connecting wire to pass through are formed in the PCB oscillator and the bottom plate, two ends of the metal balun are respectively connected with the PCB oscillator and the bottom plate and the combiner to realize the feeding of the high-frequency antenna, and the wall-mounted antenna are connected with the feeding cable.
2. The kind of miniaturized unipolar wall-mounted antennas of claim 1, wherein the outer edge of said reflector plate is provided with an upwardly turned side edge, and the height of said side edge is 10-30 mm.
3. The kinds of miniaturized unipolar wall-mounted antennas of claim 1, wherein the radiating patch is an E-shaped patch, and a side edge of the E-shaped patch is bent and extended toward the reflector.
4. The kinds of miniaturized single-polarized wall-mounted antennas of claim 1, wherein the PCB oscillator is composed of two groups of crossed dipoles, groups of dipoles are excitation oscillators, and groups of dipoles are coupling branches.
5. The kinds of miniaturized single-polarized wall-mounted antennas of claim 1, wherein the radiating element of the high frequency element is a dipole structure printed on both sides.
6. The miniaturized single-polarized wall-mounted antenna of claim 1, wherein the reflector is fixed to the bottom of the housing by screws.
7. The miniaturized single-polarized wall-mounted antennas of claim 1, wherein two ends of the rectangular feeding plate are respectively welded to output ports of the radiation patch and the combiner.
8. The miniaturized unipolar wall-mounted antennas of claim 1, wherein the miniaturized unipolar wall-mounted antennas have a frequency coverage range of 698MHz-960MHz, 1710MHz-2700MHz, 3300MHz-3800 MHz.