CN214068866U

CN214068866U - Antenna combiner

Info

Publication number: CN214068866U
Application number: CN202120110457.3U
Authority: CN
Inventors: 王志勇
Original assignee: Dongguan Xinyixun Times Communication Co Ltd
Current assignee: Dongguan Xinyixun Times Communication Co Ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-08-27
Anticipated expiration: 2031-01-15

Abstract

The utility model discloses an antenna combiner, including the cavity, the both sides of cavity are provided with shielding apron and harmonious apron respectively, and the inside of cavity is provided with the wave filter, and the wave filter includes public resonance bar, and the both sides of public resonance bar are provided with WCDMA wave filter and DCS wave filter respectively earlier, and the inside of cavity is provided with inductance and electric capacity, and one side of cavity is provided with terminal outer conductor fixed slot, and the inside of terminal outer conductor fixed slot is provided with the terminal. The utility model discloses a deformation resonance structure reduces the frequency, reduces whole volume, and low-loss, high power, tuning range are big, deformation structure design simultaneously, and reduce cost reduces the volume, and the assembly is simple, and low in production cost does not have solitary tap line, and the terminal extends directly as taking a percentage, and die sinking resonance bar and cavity integration, one shot forming have promoted the practicality of device.

Description

Antenna combiner

Technical Field

The utility model relates to an antenna field specifically is an antenna combiner.

Background

With the increasing development of communication technology, the requirements on equipment and devices are higher and higher, the volume, weight, electrical index, cost and the like become indexes for improving the devices or the equipment, and the requirements of the antenna combiner serving as an important device of the antenna are improved accordingly. At present, the built-in combiner of the base station antenna is realized by a microstrip line, a strip-shaped suspension line and a conventional coaxial cavity microstrip line antenna combiner, the power is small, the loss is large, the requirement on processing of the strip-shaped suspension line antenna combiner is high, the tunable range is small, and the conventional coaxial cavity antenna combiner is large in size and high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problem existing in the prior art and provides an antenna combiner.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an antenna combiner, includes the cavity, the both sides of cavity are provided with shielding cover plate and harmonious apron respectively, the inside of cavity is provided with the wave filter, the wave filter includes public resonance pole, the both sides of public resonance pole are provided with WCDMA filter and DCS filter respectively earlier, the inside of cavity is provided with inductance and electric capacity, one side of cavity is provided with terminal outer conductor fixed slot, the inside of terminal outer conductor fixed slot is provided with the terminal.

Preferably, one side of the tuning cover plate is provided with a tuning screw, and one side of the tuning screw is provided with a screw.

Preferably, the WCDMA filter comprises a first WCDMA filter resonance rod, a second WCDMA filter resonance rod, a third WCDMA filter resonance rod, a fourth WCDMA filter resonance rod and a WCDMA filter tail resonance rod.

Preferably, the DCS filter includes a first DCS filter resonance rod, a second DCS filter resonance rod, a third DCS filter resonance rod, and a DCS filter tail resonance rod.

Preferably, one side of the common resonant rod, one side of the WCDMA filter tail pumping resonant rod and one side of the DCS filter tail pumping resonant rod are respectively provided with a terminal inner conductor fixing column.

Preferably, the inductor includes first inductance, second inductance and third inductance, first inductance welds in one side of first WCDMA filter resonance pole and fourth WCDMA filter resonance pole, the second inductance welds in one side of first DCS filter resonance pole and DCS filter tail-pump resonance pole, the third inductance welds in one side of first DCS filter resonance pole and third DCS filter resonance pole.

Preferably, the capacitor is disposed at one side of the first WCDMA filter resonance rod and the third WCDMA filter resonance rod, one side of the capacitor is disposed with the medium, and the capacitor and the medium are connected with the first WCDMA filter resonance rod and the third WCDMA filter resonance rod through screws.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a deformation resonance structure reduces the frequency, reduces whole volume, and low-loss, high power, tuning range are big, deformation structure design simultaneously, and reduce cost reduces the volume, and the assembly is simple, and low in production cost does not have solitary tap line, and the terminal extends directly as taking a percentage, and die sinking resonance bar and cavity integration, one shot forming have promoted the practicality of device.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic diagram of the explosion structure of the present invention;

FIG. 3 is a schematic structural view of a first interior of the cavity of the present invention;

fig. 4 is a schematic structural diagram of the second interior of the cavity of the present invention.

In the figure: the filter comprises a cavity 1, a shielding cover plate 2, a tuning cover plate 3, a filter 4, a common resonance rod 41, a WCDMA filter 42, a first WCDMA filter resonance rod 421, a second WCDMA filter resonance rod 422, a third WCDMA filter resonance rod 423, a fourth WCDMA filter resonance rod 424, a WCDMA filter tail resonance rod 425, a 43DCS filter, a first DCS filter resonance rod 431, a second DCS filter resonance rod 432, a third DCS filter resonance rod 433, a DCS filter tail resonance rod 434, an inductor 5, a capacitor 6, a terminal 7 inner conductor fixing column, a terminal 8 outer conductor fixing groove, a terminal 9, a tuning screw 10 and a screw 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, an antenna combiner includes a cavity 1, a shielding cover plate 2 and a tuning cover plate 3 are respectively disposed at two sides of the cavity 1, a tuning screw 10 is disposed at one side of the tuning cover plate 3, a screw 11 is disposed at one side of the tuning screw 10, the shielding cover plate 2 is used for signal shielding and is connected to the cavity 1 through the screw 11 or welding, the tuning cover plate 3 is used for signal shielding, a plurality of tuning screw holes are disposed on the surface of the tuning cover plate and is connected to the cavity 1 through the screw 11 or welding, a filter 4 is disposed inside the cavity 1, the filter 4 includes a common resonant rod 41, a WCDMA filter 42 and a DCS filter 43 are respectively disposed at two sides of the common resonant rod 41, the WCDMA filter 42 includes a first WCDMA filter resonant rod 421, a second WCDMA filter resonant rod 422, a third WCDMA filter resonant rod 423, a fourth WCDMA filter resonant rod 424 and a WCDMA filter tail rod 425, the DCS filter 43 includes a first DCS filter resonant rod 431, a second DCS filter resonant rod 432, a third DCS filter resonant rod 433, and a DCS filter tail resonant rod 434, in order to ensure the required frequency and the minimum size, each resonance rod is designed to be thin at the bottom and thick at the top, a thick section is provided with a hole for frequency modulation, the thin end is integrally connected with the cavity 1, in order to ensure the frequency bandwidth of the combiner, coupling ribs with different heights are arranged among partial resonance rods and are simultaneously connected with the cavity 1, an inductor 5 and a capacitor 6 are arranged inside the cavity 1, one side of the common resonance rod 41, one side of the WCDMA filter tail-out resonance rod 425 and one side of the DCS filter tail-out resonance rod 434 are respectively provided with a terminal inner conductor fixing column 7, the size of the port time delay is determined by the position of the terminal inner conductor fixing column 7, one side of the cavity 1 is provided with a terminal outer conductor fixing groove 8, and a terminal 9 is arranged inside the terminal outer conductor fixing groove 8.

Referring to fig. 1 to 4, the inductor 5 includes a first inductor 51, a second inductor 52 and a third inductor 53, the first inductor 51 is welded to one side of the first WCDMA filter resonant rod 421 and the fourth WCDMA filter resonant rod 424, the second inductor 52 is welded to one side of the first DCS filter resonant rod 431 and the DCS filter tail resonant rod 434, the third inductor 53 is welded to one side of the first DCS filter resonant rod 431 and the third DCS filter resonant rod 433, a capacitor 6 is disposed to one side of the first WCDMA filter resonant rod 421 and the third WCDMA filter resonant rod 423, one side of the capacitor 6 is disposed with a medium, the medium is PI or PTFE, the capacitor 6 and the medium are connected to the first WCDMA filter resonant rod 421 and the third WCDMA filter resonant rod 423 through a screw 11, the resonant structure is deformed to reduce the frequency, reduce the entire volume, reduce the loss, the high power, have a large tuning range, and simultaneously deform the structural design, the utility model has the advantages of reduce cost, reduce the volume, the assembly is simple, low in production cost, no solitary tap line, the terminal extends directly as taking a percentage, and die sinking resonance bar and cavity integration, one shot forming have promoted the practicality of device.

The working principle is as follows: the antenna combiner is a special-shaped coaxial cavity antenna combiner consisting of two DCS and WCDMA filter combiners, the DCS filter 43 is a WCDMA filter 42 consisting of four resonant cavities and two inductors, the WCDMA filter 42 consists of five resonant cavities, one inductor and one capacitor, and the WCDMA filter 42 and the DCS filter 43 are combined by one common resonant cavity in a common combining way.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An antenna combiner comprising a cavity (1), characterized in that: the utility model discloses a novel cavity, including cavity (1), filter (4), public resonance pole (41), both sides of cavity (1) are provided with shielding apron (2) and tuning apron (3) respectively, the inside of cavity (1) is provided with wave filter (4), wave filter (4) are including public resonance pole (41), the both sides of public resonance pole (41) are provided with WCDMA wave filter (42) and DCS wave filter (43) respectively earlier, the inside of cavity (1) is provided with inductance (5) and electric capacity (6), one side of cavity (1) is provided with terminal outer conductor fixed slot (8), the inside of terminal outer conductor fixed slot (8) is provided with terminal (9).

2. An antenna combiner according to claim 1, wherein: and one side of the tuning cover plate (3) is provided with a tuning screw (10), and one side of the tuning screw (10) is provided with a screw (11).

3. An antenna combiner according to claim 1, wherein: the WCDMA filter (42) comprises a first WCDMA filter resonance rod (421), a second WCDMA filter resonance rod (422), a third WCDMA filter resonance rod (423), a fourth WCDMA filter resonance rod (424) and a WCDMA filter tail-pumping resonance rod (425).

4. An antenna combiner according to claim 3, wherein: the DCS filter (43) comprises a first DCS filter resonance rod (431), a second DCS filter resonance rod (432), a third DCS filter resonance rod (433) and a DCS filter tail pumping resonance rod (434).

5. An antenna combiner according to claim 4, wherein: and one side of the common resonant rod (41), one side of the WCDMA filter tail-pumping resonant rod (425) and one side of the DCS filter tail-pumping resonant rod (434) are respectively provided with a terminal inner conductor fixing column (7).

6. An antenna combiner according to claim 4, wherein: the inductor (5) comprises a first inductor (51), a second inductor (52) and a third inductor (53), the first inductor (51) is welded to one side of a first WCDMA filter resonant rod (421) and a fourth WCDMA filter resonant rod (424), the second inductor (52) is welded to one side of a first DCS filter resonant rod (431) and a DCS filter tail pump resonant rod (434), and the third inductor (53) is welded to one side of the first DCS filter resonant rod (431) and a third DCS filter resonant rod (433).

7. An antenna combiner according to claim 4, wherein: the capacitor (6) is arranged on one side of the first WCDMA filter resonance rod (421) and one side of the third WCDMA filter resonance rod (423), one side of the capacitor (6) is provided with a medium, and the capacitor (6) and the medium are connected with the first WCDMA filter resonance rod (421) and the third WCDMA filter resonance rod (423) through screws (11).