CN210326149U

CN210326149U - Dual-polarized plate type antenna

Info

Publication number: CN210326149U
Application number: CN201921460892.8U
Authority: CN
Inventors: 李少泉
Original assignee: Foshan Puya Technology Co ltd
Current assignee: Foshan Puya Technology Co ltd
Priority date: 2019-09-04
Filing date: 2019-09-04
Publication date: 2020-04-14
Anticipated expiration: 2029-09-04

Abstract

The utility model discloses a dual-polarized plate type antenna, which comprises a bottom plate, a low-frequency oscillator, a high-frequency oscillator and a combiner, wherein the low-frequency oscillator and the high-frequency oscillator are all electrically connected with the combiner; the bottom plate is made of a conductor material; the low-frequency oscillator comprises a balun, a base made of conductor materials and a radiation plate, and the base is connected with the bottom plate; the balun comprises at least four balun bottom plates made of conductor materials, two adjacent balun bottom plates are arranged at an angle with each other, and the two opposite balun bottom plates are positioned on the same plane; one end of the balun bottom plate is integrally formed with the base, and the other end of the balun bottom plate is connected with the radiation plate; each balun baseplate is provided with a dielectric plate made of insulating materials, and the dielectric plates of the two balun baseplates on the same plane are provided with a feed sheet made of conductive materials together. The utility model has the advantages that: wide frequency bandwidth, low manufacturing cost and larger vertical surface lobe width.

Description

Dual-polarized plate type antenna

Technical Field

The utility model relates to a communication antenna field especially relates to a dual polarization board type antenna.

Background

With the rapid and continuous development of domestic economy, and the evolution of innovation, the communications industry has undergone tremendous changes, which are well known. In some application scenarios with small signal coverage area, a common base station plate antenna is used for coverage, multiple sets of equipment are required for different systems, and the performance of the equipment longitudinally exceeds the requirement of a coverage area, so that resource waste is caused, and the situation of insufficient coverage in a vertical plane may exist.

The prior art has the following disadvantages:

1. the frequency bandwidth is narrow; 2. the cost is high; 3. the coverage is too far longitudinally, but the vertical extent is too small.

The traditional plate type antenna consists of an outer cover, a bottom plate and end covers, wherein the outer cover is a barreled outer cover, the bottom plate is placed in the barreled outer cover, and the upper end covers are installed at two ends of the barreled outer cover to encapsulate the barreled outer cover. This solution is convenient when the backplane is long (high gain) but relatively costly when the backplane is short (low gain antenna).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dual polarization plate type antenna to it is narrow to solve antenna frequency bandwidth, and the manufacturing cost is higher not enough.

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

a dual-polarized plate type antenna comprises a bottom plate, a low-frequency oscillator, a high-frequency oscillator and a combiner, wherein the low-frequency oscillator, the high-frequency oscillator and the combiner are arranged on the bottom plate; the bottom plate is made of a conductor material; the low-frequency oscillator comprises a balun, a base made of conductor materials and a radiation plate, and the base is connected with the bottom plate; the balun comprises at least four balun bottom plates made of conductor materials, two adjacent balun bottom plates are arranged at an angle with each other, and the two opposite balun bottom plates are positioned on the same plane; one end of the balun bottom plate is integrally formed with the base, and the other end of the balun bottom plate is connected with the radiation plate; each balun baseplate is provided with a dielectric plate made of insulating materials, and the dielectric plates of the two balun baseplates on the same plane are provided with a feed sheet made of conductive materials together.

The high-frequency oscillator and the low-frequency oscillator are dual-polarized oscillators, the high-frequency oscillator achieves the frequency range of 1710-2700MHz, the low-frequency oscillator achieves the frequency range of 698-960MHz, and after the integration of the combiner, the whole antenna can achieve the wide frequency range of 698-960/1710-2700MHz, so that the frequency bandwidth is greatly widened. The base and the balun bottom plate are integrally formed, and the base is fixed on the bottom plate. In the prior art, a base is required to be additionally arranged, the balun part is also made of a PCB, and the PCB is high in requirement and high in cost. A link procedure is added between the balun and the base, so that a heavy risk is brought to indexes such as intermodulation and the like, and the base and the balun bottom plate are integrally formed by adopting a conductor with certain structural strength, so that the problems can be avoided.

Furthermore, the balun bottom plate is vertical to the radiation plate and the bottom plate; the low-frequency oscillator further comprises a supporting plate; the radiation plate is arranged on the support plate; the support plate is provided with a clamping groove, and the balun bottom plate is clamped in the clamping groove and is electrically connected with the radiation plate. The balun bottom plate penetrates through the clamping groove and then contacts with the radiation plate, the balun bottom plate can keep the stability of the supporting plate supported by the balun bottom plate, and the supporting plate is used for installing the radiation plate.

Furthermore, a plurality of mounting cylinders are arranged on two opposite end faces of the dielectric plate, and mounting round holes capable of being sleeved on the mounting cylinders are arranged on the balun bottom plate and the feed sheet. The balun bottom plate and the feed sheet are respectively attached to two surfaces of the dielectric plate through the sleeving of the mounting round hole and the mounting cylinder and then fixed by the fixing piece.

Furthermore, a high-frequency reflection plate is further arranged on the bottom plate, and the high-frequency oscillator is arranged on the high-frequency reflection plate so as to independently adjust a high-frequency directional diagram and facilitate production.

Furthermore, one end of the bottom plate is provided with a connector mounting end face, the connecting plate mounting end face is perpendicular to the bottom plate, and a connector is arranged on the connector mounting end face and used for providing signals for external equipment.

Further, the combiner is arranged between the low-frequency oscillator and the high-frequency oscillator, and the high-frequency oscillator is arranged between the combiner and the connector. The high-frequency oscillator and the low-frequency oscillator are connected to the corresponding positions of the combiner, and the combining end of the combiner is connected with the connector.

Further, the dual polarization plate type antenna further comprises an outer cover, the outer cover is installed on the bottom plate, and the connector is located outside the outer cover. Plays a role in protecting internal key components.

The utility model has the advantages that: wide frequency bandwidth, low manufacturing cost and larger vertical surface lobe width.

Drawings

Fig. 1 is a schematic structural diagram of a dual-polarization plate type antenna in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a low-frequency oscillator in an embodiment of the present invention;

fig. 3 is a schematic diagram of an internal structure of a dual-polarized plate type antenna according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a support plate in an embodiment of the present invention;

FIG. 5 is a schematic structural view of a dielectric plate according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a feed tab in an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a balun bottom plate in an embodiment of the present invention.

Description of reference numerals: 1. a connector; 2. a housing; 3. a dielectric plate; 4. a feeding sheet; 5. a base; 6. a base plate; 7. a balun chassis; 8. a support plate; 9. a radiation plate; 10. a low-frequency oscillator; 11. a high-frequency reflection plate; 12. a combiner; 13. a base plate; 14. a high-frequency oscillator; 15. a card slot; 16. a connector mounting end face; 17. mounting a cylinder; 18. and (6) mounting a round hole.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

As shown in fig. 1-7, a dual-polarized plate type antenna comprises a bottom plate 13, a low-frequency oscillator 10, a high-frequency oscillator 14 and a combiner 12, wherein the low-frequency oscillator 10 comprises a balun, a radiation plate 9, a base 5 and a support plate 8, and the bottom plate 13, the radiation plate 9 and the base 5 are made of conductor materials; the balun comprises a balun baseplate 7, a feed sheet 4 and a dielectric plate 3, wherein the balun baseplate 7 and the feed sheet 4 are both made of conductor materials, and the dielectric plate 3 is made of insulating materials; the balun bottom plates 7 are arranged in a cross shape, a bottom base plate 6 is formed at one end, close to the bottom plate 13, of each balun bottom plate 7, the bottom base plates 6 are connected with one another to form an integral base 5, the four balun bottom plates 7 and the base 5 are integrally formed, and the base 5 is installed on the bottom plate 13; four clamping grooves 15 are formed in the supporting plate 8, and the other ends of the four balun bottom plates 7 are clamped in the four clamping grooves 15 respectively to stabilize the supporting plate 8; four radiation plates 9 are arranged on the support plate 8, and the balun bottom plate 7 is clamped at one end of the clamping groove 15 and is in contact with the radiation plates 9.

The two sides of the dielectric plate 3 are provided with mounting cylinders 17, the balun bottom plate 7 and the feed sheet 4 are provided with mounting round holes 18, the balun bottom plate 7 and the feed sheet 4 are sleeved on the mounting cylinders 17 through the mounting round holes 18, and the balun bottom plate 7 and the feed sheet 4 are respectively attached to the two sides of the dielectric plate 3. The same feed piece 4 is installed on the dielectric plate 3 on the two balun bottom plates 7 on the same plane, that is, two feed pieces 4 are provided in this embodiment.

The high-frequency radiation plate 11 is provided on the bottom plate 13, and the high-frequency oscillator 14 is mounted on the high-frequency reflection plate 11. The low-frequency oscillator 10 and the high-frequency oscillator 14 are electrically connected to the combiner 12. A connector mounting end face 16 is arranged at one end of the bottom plate 13, the connector mounting end face 16 is perpendicular to the bottom plate 13, a connector 1 is arranged on the connector mounting end face 16, and the connector 1 is electrically connected with the combiner 12; the high-frequency oscillator 14 is installed at one end, close to the connector 1, of the bottom plate 13, the low-frequency oscillator 10 is installed at one end, far away from the connector 1, of the bottom plate 13, and the combiner 12 is installed between the high-frequency oscillator 14 and the low-frequency oscillator 10 on the bottom plate 13; the dual polarized plate type antenna comprises a housing 2, the housing 2 being mounted on a bottom plate 13, the connector 1 being external to the housing 2.

The embodiment of the utility model provides an in high frequency oscillator 14 and low frequency oscillator 10 be dual polarization oscillator, high frequency oscillator 14 realizes that frequency range is 1710-; the balun bottom plate 7 and the base 5 are integrally formed by the conductors with certain structural strength, the traditional method that the balun bottom plate 7 is manufactured by a PCB and the base 5 needs to be additionally arranged is replaced, the connecting process between the balun bottom plate 7 and the base 5 is avoided, and the manufacturing cost is reduced.

The preferred embodiment of the present invention is only listed in the present specification, and all the technical changes equivalent to those made under the working principle and thought of the present invention are considered as the protection scope of the present invention.

Claims

1. A dual-polarized plate type antenna comprises a bottom plate (13), a low-frequency oscillator (10), a high-frequency oscillator (14) and a combiner (12), wherein the low-frequency oscillator (10) and the high-frequency oscillator (14) are arranged on the bottom plate (13) and are electrically connected with the combiner (12); the method is characterized in that: the bottom plate (13) is made of a conductor material; the low-frequency oscillator (10) comprises a balun, a base (5) made of a conductor material and a radiation plate (9), and the base (5) is connected with the bottom plate (13); the balun comprises at least four balun bottom plates (7) made of conductor materials, two adjacent balun bottom plates (7) are arranged at an angle with each other, and the two balun bottom plates (7) are positioned on the same plane; one end of the balun bottom plate (7) is integrally formed with the base (5), and the other end of the balun bottom plate (7) is connected with the radiation plate (9); each balun baseplate (7) is provided with a dielectric plate (3) made of an insulating material, and the dielectric plates (3) of the two balun baseplates (7) on the same plane are provided with a feed sheet (4) made of a conductive material together.

2. The dual polarized plate type antenna of claim 1, wherein: the balun bottom plate (7) is perpendicular to the radiation plate (9) and the bottom plate (13).

3. The dual polarized plate type antenna of claim 1, wherein: the low-frequency oscillator (10) further comprises a support plate (8); the radiation plate (9) is arranged on the support plate (8); a clamping groove (15) is formed in the supporting plate (8), and the balun bottom plate (7) is clamped in the clamping groove (15) and is electrically connected with the radiation plate (9).

4. The dual polarized plate type antenna of claim 1, wherein: the dielectric plate is characterized in that a plurality of mounting cylinders (17) are arranged on two opposite end faces of the dielectric plate (3), and mounting round holes (18) capable of being sleeved on the mounting cylinders (17) are arranged on the balun bottom plate (7) and the feed sheet (4).

5. The dual polarized plate type antenna of claim 1, wherein: the high-frequency vibrator is characterized in that a high-frequency reflecting plate (11) is further arranged on the bottom plate (13), and the high-frequency vibrator (14) is arranged on the high-frequency reflecting plate (11).

6. The dual polarized plate type antenna of claim 1, wherein: one end of the bottom plate (13) is provided with a connector mounting end face (16), the connector mounting end face (16) is perpendicular to the bottom plate (13), and a connector (1) is arranged on the connector mounting end face (16).

7. The dual polarized plate type antenna of claim 6, wherein: the combiner (12) is arranged between the low-frequency oscillator (10) and the high-frequency oscillator (14), and the high-frequency oscillator (14) is arranged between the combiner (12) and the connector (1).

8. The dual polarized plate type antenna of claim 7, wherein: the connector is characterized by further comprising a housing (2), wherein the housing (2) is mounted on the bottom plate (13), and the connector (1) is located outside the housing (2).