CN210006901U

CN210006901U - high intermodulation wall-mounted antenna

Info

Publication number: CN210006901U
Application number: CN201920677950.6U
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 a hanging antenna of high intermodulation, a serial communication port, including antenna house, radiation oscillator, reflection base and coaxial cable, the reflection base sets up in radiation oscillator's below, radiation oscillator includes two sets of intercrossing's symmetrical oscillator, balun, bottom plate, all be equipped with the mounting hole on symmetrical oscillator and the bottom plate, balun embedding mounting hole, it is fixed with symmetrical oscillator and bottom plate connection through soldering tin, balun comprises two mutually orthogonal PCB boards, be equipped with the conductor layer that is used for switching on symmetrical oscillator and bottom plate on the face of every PCB board, face is equipped with the microstrip line that carries out the coupling feed for symmetrical oscillator in addition, coaxial cable passes through soldering tin with the bottom plate and is connected to the realization is to the feed of antenna the utility model discloses simple structure, under the prerequisite of guaranteeing that electric property and preceding have no difference, improved the intermodulation of antenna on three orders, the optimization production operation, reduce cost, nature is high, is fit for batch production.

Description

high intermodulation wall-mounted antenna

Technical Field

The utility model relates to an antenna technology field especially relates to kinds of high hanging antennas of intermodulation.

Background

The indoor wall-mounted antenna is types of indoor distributed system antennas, and is mainly applied to buildings such as a building hall, an elevator entrance, a large room in a building and the like, and wirelessly covers a direction in a specific area, wherein intermodulation refers to a noise signal generated after two or more frequencies are mixed in a nonlinear radio frequency circuit.

Disclosure of Invention

The utility model discloses an kinds of simple structure, reasonable in design, improve the low intermodulation of antenna, improve the high intermodulation hanging antenna of passthrough rates of production that provide.

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

high intermodulation wall-mounted antenna is characterized by comprising an antenna housing, a radiation oscillator, a reflection base and a coaxial cable, wherein the reflection base is arranged below the radiation oscillator, the radiation oscillator comprises two groups of mutually crossed dipoles, a balun and a bottom plate, mounting holes are formed in the dipoles and the bottom plate, two ends of the balun are respectively embedded into the mounting holes in the dipoles and the bottom plate and fixed with the mounting holes, so that the dipoles are suspended above the bottom plate, the balun is composed of two mutually orthogonal PCB plates, a conductor layer for conducting the dipoles and the bottom plate is arranged on surface of each PCB plate, a conductor layer for coupling and feeding the dipoles is arranged on surface, and the coaxial cable is connected with the microstrip line bottom plate to feed the wall-mounted antenna.

More preferably, the edge of the reflecting base is provided with a side edge which is turned upwards.

More preferably, the radiation vibrator is fixed to the center of the reflection base by a screw.

More preferably, circular holes for fixing the radiation oscillator are provided at the center of the reflection base to facilitate the installation of the radiation oscillator.

More preferably, the dipoles are printed dipoles printed on a PCB.

More preferably, an embedding position is arranged on of the two PCB boards forming the balun, a clearance position is arranged on the PCB boards, and the two PCB boards are in crossed embedding connection through the embedding position and the clearance position which are matched with each other.

More preferably, both ends of the balun are soldered, connected and fixed to the dipole and the base plate, respectively.

More preferably, the dipoles and the base plate are parallel.

More preferably, the operating frequency band of the wall-mounted antenna is: 1710MHz-2700 MHz.

More preferably, the coaxial cable and the chassis are soldered and fixed to each other.

The utility model has the advantages that:

, the radiating element adopts a structure composed of a symmetrical element, a balun and a bottom plate, and the symmetrical element is suspended above the bottom plate through the balun, so that the problem of low intermodulation of the wall-mounted antenna is effectively solved.

Secondly, adopt special 's balun structure to combine corresponding dipole and bottom plate assembly mode, under the prerequisite that satisfies the electrical property requirement, compare with the hanging antenna on the existing market, can simplify the process, reduce cost, improve production efficiency.

Drawings

Fig. 1 is a general schematic diagram of a high intermodulation wall-mounted antenna provided by the present invention.

Fig. 2 is a schematic view illustrating the structural decomposition of the high intermodulation wall-mounted antenna.

Figure 3 shows a schematic view of the structure of a dipole.

Fig. 4 is a schematic structural diagram of the balun.

Description of reference numerals:

1: antenna housing, 2: radiation oscillator, 3: reflective base, 4: a coaxial cable.

2-1: dipole, 2-2: balun, 2-3: a base plate.

4-1: coaxial cable, 4-2: second coaxial cable.

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. 1-4, kinds of high intermodulation wall-mounted antennas include an antenna cover 1, a radiation oscillator 2, a reflection base 3 and a coaxial cable 4, wherein the reflection base 3 is disposed below the radiation oscillator 2, and the radiation oscillator 2 is fixed at the center of the reflection base 3 by screws.

Wherein, the working frequency channel of hanging antenna is: 1710MHz-2700 MHz.

The radiation oscillator 2 comprises two groups of mutually crossed symmetrical oscillators 2-1, a balun 2-2 and a bottom plate 2-3, mounting holes are formed in the symmetrical oscillator 2-1 and the bottom plate 2-3, and the balun 2-2 can be embedded into the mounting holes so as to be fixedly connected with the symmetrical oscillator 2-1 and the bottom plate 2-3 through soldering tin.

Preferably, the dipoles 2-1 are printed on a PCB, and the printed dipoles are parallel to the bottom plate 2-3.

Preferably, the balun 2-2 is composed of two mutually orthogonal PCB boards, a conductor layer for conducting the dipole and the bottom board is arranged on the surface of each PCB board, a microstrip line for coupling and feeding the dipole is arranged on the surface, the two PCB boards forming the balun are provided, wherein a scarf joint position is arranged on the board, a vacancy avoiding position is arranged on the board, and the two boards are crosswise embedded in .

Preferably, round holes with radius of 10-20mm are arranged at the center of the reflection base 3 to facilitate the fixation of the radiation oscillator 2, and the outer edge of the reflection base 3 is provided with side edges with height of 10-30mm for adjusting the width of the horizontal lobe.

Preferably, the coaxial cable 4 includes th coaxial cable 4-1 and second coaxial cable 4-2, which are connected with the chassis 2-3 by soldering to realize feeding to the antenna radiation element.

Compared with the prior art, the high-intermodulation wall-mounted antennas provided by the embodiment have the advantages that 1) the radiating oscillator adopts a structure consisting of the symmetrical oscillator, the balun and the bottom plate, and the symmetrical oscillator is suspended above the bottom plate in parallel through the balun, so that the problem of low intermodulation of the wall-mounted antenna is effectively solved, 2) the special balun structure is adopted, and the corresponding assembling mode of the symmetrical oscillator and the bottom plate is combined, so that on the premise of meeting the electrical performance requirement, compared with the wall-mounted antennas in the current market, the process can be simplified, the cost is reduced, and the production efficiency is improved.

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 high-intermodulation wall-mounted antenna is characterized by comprising an antenna housing, a radiation oscillator, a reflection base and a coaxial cable, wherein the reflection base is arranged below the radiation oscillator, the radiation oscillator comprises two groups of mutually crossed dipoles, a balun and a bottom plate, mounting holes are formed in the dipoles and the bottom plate, two ends of the balun are respectively embedded into the mounting holes in the dipoles and the bottom plate and fixed with the mounting holes, so that the dipoles are suspended above the bottom plate, the balun is composed of two mutually orthogonal PCB plates, a conductor layer used for conducting the dipoles and the bottom plate is arranged on a surface of each PCB plate, a microstrip line used for coupling and feeding the dipoles is arranged on a surface of the PCB, and the coaxial cable is connected with the bottom plate so as to feed the wall-mounted antenna.
2. The kind of wall-mounted antennas with high intermodulation as claimed in claim 1, wherein the edge of the reflecting base is provided with an upturned side.
3. The kinds of wall-mounted antennas with high intermodulation as claimed in claim 1, wherein the radiating element is fixed at the center of the reflecting base by screws.
4. The kinds of wall-mounted antennas with high intermodulation as claimed in claim 1, wherein circular holes are provided at the center of the reflecting base for fixing the radiating elements.
5. The kinds of high intermodulation wall-mounted antennas of claim 1, wherein the dipoles are printed elements printed on a PCB.
6. The kinds of high intermodulation wall-mounted antennas of claim 1, wherein of the two PCB boards forming the balun are provided with an embedding position, and of the two PCB boards are provided with a space avoiding position, and the two PCB boards are crosswise embedded through the embedding position and the space avoiding position which are mutually matched.
7. The kinds of wall-mounted antennas with high intermodulation as set forth in claim 1, wherein both ends of said balun are soldered and fixed to said dipole and said bottom plate, respectively.
8. The kinds of wall-mounted antennas with high intermodulation as set forth in claim 1, wherein the coaxial cable and the bottom plate are soldered and fixed.
9. The kinds of high intermodulation wall-mounted antennas of claim 1, wherein the dipoles are parallel to the bottom plate.
10. The kinds of wall-mounted antennas with high intermodulation as claimed in claim 1, wherein the operating frequency band of the wall-mounted antennas is 1710MHz-2700 MHz.