CN212366199U

CN212366199U - Directional antenna

Info

Publication number: CN212366199U
Application number: CN202021383355.0U
Authority: CN
Inventors: 陈三林
Original assignee: Foshan Jiasheng Communication Equipment Co ltd
Current assignee: Foshan Jiasheng Communication Equipment Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-01-15
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a directional antenna, which comprises a shell, wherein a bottom plate and two oscillator circuit boards are arranged in the shell, the two oscillator circuit boards are uniformly distributed on the bottom plate and are parallel to each other, and a plurality of guide pieces are uniformly distributed on the oscillator circuit boards; the bottom of the shell is provided with a connector lug, four external wiring ends are arranged in the connector lug, and the external wiring ends are electrically connected with the oscillator circuit board; the directional antenna adopts the mode that the vibrator groups are integrated on the vibrator circuit board to form a group array and matched with the guide pieces to be used in a combined mode, so that the channel capacity can be improved exponentially, the channel fading can be inhibited, the communication quality can be improved, and the coverage area and the data transmission rate can be greatly increased; in addition, the device has the characteristics of low manufacturing cost and simple structure.

Description

Directional antenna

Technical Field

The utility model relates to a mobile communication technology field, in particular to directional antenna.

Background

At present, people have higher and higher requirements on data transmission rate, communication quality and channel capacity of a communication system; the frequency ranges of 2 × 2MIMO and 4 × 4MIMO panel antennas in the current mainstream market can only reach 4900 + 5850MHz, and the angle is far from 90 degrees; in addition, the 2 × 2MIMO panel antenna with high gain in 5.8GHz mainly adopts a structure of combining a whole PCB circuit board and guiding a board, but is not suitable for being made into a 4-port panel antenna due to high manufacturing cost and large size, and the multi-port 4 × 4MIMO panel antenna is mainly formed by arraying 4 single dual-frequency oscillators, although it has 4 ports, the angle of the multi-port 4 × 4MIMO panel antenna cannot reach 90 °.

It is seen that improvements and enhancements to the prior art are needed.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing disadvantages of the prior art, an object of the present invention is to provide a directional antenna, which has a small size and a low manufacturing cost, and includes four ports, and the angle of the directional antenna can reach 90 °, thereby increasing the channel capacity and the data transmission rate by a multiple.

In order to achieve the purpose, the utility model adopts the following technical proposal:

a directional antenna comprises a shell, wherein a bottom plate and oscillator circuit boards are arranged in the shell, the oscillator circuit boards comprise two oscillator circuit boards, the two oscillator circuit boards are uniformly distributed on the bottom plate and are parallel to each other, and a plurality of guide pieces are uniformly distributed on the oscillator circuit boards; the bottom of casing is provided with the connector lug, be provided with four outer wiring ends in the connector lug, outer wiring end with oscillator circuit board electric connection.

In the directional antenna, four vibrator groups are distributed on the vibrator circuit board and connected in parallel.

In the directional antenna, the vibrator group comprises two vibrators, the two vibrators are connected in parallel, the number of the guide pieces is consistent with that of the vibrators, and the guide pieces are fixedly arranged on the vibrators.

In the directional antenna, two wiring ports are arranged on the parallel connection circuit of the oscillator group, and the wiring ports are electrically connected with the external wiring end; and the parallel circuit of the vibrator group is also provided with a grounding port, and the grounding port is connected with an external ground wire through the external terminal.

In the directional antenna, a fixing hole is formed in the center of the guide sheet; a positioning hole is formed in the center of the vibrator; the bottom plate is provided with a stud matched with the positioning hole, and the stud sequentially penetrates through the positioning hole and the fixing hole to be in threaded connection with the fastening nut.

In the directional antenna, a mounting groove matched with the fastening nut is arranged above the fixing hole.

In the directional antenna, the wall of the guide sheet is inclined toward the mounting groove.

In the directional antenna, the oscillator circuit board is also provided with a plurality of mounting holes matched with the bottom plate for mounting.

In the directional antenna, a plurality of mounting columns matched with the shell are uniformly distributed on the bottom plate.

Has the advantages that: the directional antenna disclosed by the application adopts the mode that the oscillator groups are integrated on the oscillator circuit board to form the array and matched with the guide pieces for combined use, the channel capacity can be improved exponentially, the channel fading is inhibited, and the communication quality is improved; in addition, the directional antenna disclosed by the application has the characteristics of low manufacturing cost and simple structure.

Drawings

Fig. 1 is a schematic structural diagram of the inside of a directional antenna provided by the present invention;

fig. 2 is a schematic structural diagram of a directional antenna provided by the present invention;

fig. 3 is a schematic structural diagram of the oscillator circuit board in the directional antenna provided by the present invention;

fig. 4 is a cross-sectional view of the internal structure of the directional antenna provided by the present invention at a left viewing angle;

fig. 5 is a schematic structural diagram of the guiding sheet in the directional antenna provided by the present invention.

Description of the main element symbols: the vibration generator comprises a shell 1, a bottom plate 2, a vibrator circuit board 3, a guide piece 4, a fastening nut 5, a connector lug 11, a mounting column 21, a stud 22, a vibrator group 31, a positioning hole 32, a grounding port 33, a wiring port 34, a mounting hole 35, a fixing hole 41, a mounting groove 42 and a vibrator 311.

Detailed Description

The utility model provides a directional antenna, for making the utility model discloses a purpose, technical scheme and effect are clearer, make clear and definite, and it is right that the following refers to the attached drawing and the embodiment of lifting makes further detailed description the utility model discloses.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "top", "bottom", etc. are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and should not be construed as limitations of the present invention; in addition, the terms "mounted," "connected," and the like are to be construed broadly, and those skilled in the art can understand the specific meaning of the terms in the present invention according to specific situations.

Referring to fig. 1 and 2, the present invention provides a directional antenna, including a housing 1, a bottom plate 2 and two oscillator circuit boards 3 are disposed in the housing 1, the two oscillator circuit boards 3 include two oscillator circuit boards 3, the two oscillator circuit boards 3 are uniformly distributed on the bottom plate 2, the two oscillator circuit boards 3 are parallel to each other, and a plurality of guide pieces 4 are uniformly distributed on the oscillator circuit boards 3; the bottom of casing 1 is provided with connector lug 11, be provided with four outer wiring ends in the connector lug 11, outer wiring end with 3 electric connection of oscillator circuit board.

Referring to fig. 1 to 3, the directional antenna disclosed in the present application forms a group array by integrating the vibrator group 31 on the vibrator circuit board 3 and combines with the guiding plate 4 for use, and compared with the existing 4 × 4MIMO flat antenna, the directional antenna of the present application has an antenna gain of 16dBi and an angle of 90 °, which greatly improves the coverage area and data transmission rate, and can multiply improve the channel capacity, suppress channel fading, and improve the communication quality.

Referring to fig. 3, further, four vibrator groups 31 are disposed on the vibrator circuit board 3, and the four vibrator groups 31 are connected in parallel; the antenna gain can be effectively increased by arranging a plurality of groups of oscillator groups 31.

Referring to fig. 3 and 4, further, the vibrator group 31 includes two vibrators 311, the two vibrators 311 are connected in parallel, the number of the guide pieces 4 is the same as that of the vibrators 311, and the guide pieces 4 are fixedly arranged on the vibrators 311; the element 311 and the guide piece 4 perform a reflection function, and increase the antenna gain.

Referring to fig. 3, further, two wiring ports 34 are disposed on the parallel connection line of the oscillator group 31, and the wiring ports 34 are electrically connected to the external connection terminals; and a grounding port 33 is further arranged on the parallel connection line of the vibrator group 31, and the grounding port 33 is connected with an external ground wire through the external terminal.

Referring to fig. 3 and 4, further, a fixing hole 41 is formed in the center of the guiding sheet 4; a positioning hole 32 is formed in the center of the vibrator 311; the bottom plate 2 is provided with a stud 22 which is matched with the positioning hole 32, and the stud 22 sequentially penetrates through the positioning hole 32 and the fixing hole 41 to be in threaded connection with a fastening nut 5; the installation mode can simultaneously complete the installation among the guide piece 4, the vibrator circuit board 3 and the bottom plate 2, simplifies the installation steps and improves the field installation efficiency.

Referring to fig. 4 and 5, further, an installation groove 42 installed in cooperation with the fastening nut 5 is disposed above the fixing hole 41; the installation groove 42 is arranged to avoid the phenomenon that the height of the fastening nut 5 is too high, and the overall installation effect is influenced.

Referring to fig. 4 and 5, further, the wall of the guiding plate 4 is inclined toward the mounting groove 42, so as to improve the accuracy of the orientation angle of the antenna.

Referring to fig. 3, further, a plurality of mounting holes 35 are further formed in the vibrator circuit board 3, and are mounted in cooperation with the bottom plate 2; in one embodiment, the vibrator circuit board 3 and the bottom plate 2 are in a bolt connection relationship.

Referring to fig. 1 and fig. 2, further, a plurality of mounting posts 21 are uniformly distributed on the bottom plate 2 and are mounted in cooperation with the housing 1; the shell body 1 is provided with a hole site which is matched with the mounting column 21 for mounting, and the shell body 1 is connected with the bottom plate 2 through the mounting column 21 and the hole site on the shell body 1.

In summary, the directional antenna disclosed in the present application adopts the oscillator group 31 integrated on the oscillator circuit board 3 to form a group array and is used in combination with the guide sheet 4, so as to multiply improve the channel capacity, suppress channel fading and improve the communication quality, and compared with the existing 4 × 4MIMO flat-panel antenna with a maximum gain of 14dBi and a small directional angle, the directional antenna provided in the present application has an antenna gain of 16dBi and an angle of 90 °, thereby greatly increasing the coverage area and data transmission rate; in addition, the directional antenna disclosed by the application also has the characteristics of low manufacturing cost and simple structure.

It is understood that equivalent substitutions or changes can be made by those skilled in the art according to the technical solution of the present invention and the inventive concept thereof, and all such changes or substitutions shall fall within the scope of the present invention.

Claims

1. A directional antenna is characterized by comprising a shell, wherein a bottom plate and two oscillator circuit boards are arranged in the shell, the two oscillator circuit boards comprise two oscillator circuit boards, the two oscillator circuit boards are uniformly distributed on the bottom plate and are parallel to each other, and a plurality of guide pieces are uniformly distributed on the oscillator circuit boards; the bottom of casing is provided with the connector lug, be provided with four outer wiring ends in the connector lug, outer wiring end with oscillator circuit board electric connection.

2. The directional antenna according to claim 1, wherein four vibrator groups are arranged on the vibrator circuit board, and the four vibrator groups are connected in parallel.

3. The directional antenna according to claim 2, wherein the group of oscillators includes two oscillators, the two oscillators are connected in parallel, the number of the director pieces is equal to the number of the oscillators, and the director pieces are fixedly attached to the oscillators.

4. A directional antenna according to claim 3, wherein two connection ports are provided on the parallel connection line of the oscillator group, and the connection ports are electrically connected to the external terminals; and the parallel circuit of the vibrator group is also provided with a grounding port, and the grounding port is connected with an external ground wire through the external terminal.

5. The directional antenna according to claim 3, wherein a fixing hole is formed in the center of the guide piece; a positioning hole is formed in the center of the vibrator; the bottom plate is provided with a stud matched with the positioning hole, and the stud sequentially penetrates through the positioning hole and the fixing hole to be in threaded connection with the fastening nut.

6. A directional antenna according to claim 5, wherein a mounting groove is provided above the fixing hole for fitting with the fastening nut.

7. A directional antenna according to claim 6, wherein the wall of said director blade is inclined towards said mounting slot.

8. The directional antenna according to claim 2, wherein the element circuit board further has a plurality of mounting holes mounted in cooperation with the bottom plate.

9. The directional antenna according to claim 1, wherein a plurality of mounting posts are uniformly disposed on the bottom plate and are engaged with the housing.