CN216251058U

CN216251058U - Power divider for radio antenna

Info

Publication number: CN216251058U
Application number: CN202122879082.XU
Authority: CN
Inventors: 陈仁纯; 钟伟强; 赖清辉; 赵恒�
Original assignee: QUANZHOU HUAHONG COMMUNICATION CO LTD
Current assignee: QUANZHOU HUAHONG COMMUNICATION CO LTD
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-04-08
Anticipated expiration: 2031-11-23

Abstract

The utility model discloses a power divider for a radio antenna, which structurally comprises an outer pipe, a power input interface, a power output interface, a first impedance converter and a second impedance converter, wherein the power input interface, the power output interface, the first impedance converter and the second impedance converter are arranged on the outer pipe; the power output interfaces are connected to the other end, far away from the power input interface, of the outer pipe, the number of the power output interfaces is 4, and the 4 power output interfaces are connected to the outer side of the outer pipe in an annular array mode respectively; the first impedance converter and the second impedance converter are respectively arranged on the upper part and the lower part of the outer tube in a built-in mode, one end of the first impedance converter is connected with the power input interface through a contact pin in the connecting assembly, the other end of the first impedance converter is connected with the second impedance converter, and one end, far away from the first impedance converter, of the second impedance converter is connected with the power output interface through a copper sheet.

Description

Power divider for radio antenna

Technical Field

The utility model relates to a power divider for a radio antenna.

Background

The power divider is a device for dividing one path of input signal energy into two paths or multiple paths of output equal or unequal energy, and is also a key device of a communication system. With the advancement and development of science and technology, the requirements of the power divider in the fields of communication technology and the like are higher and higher. At present, a plurality of power dividers play a good role in power division, but many power dividers applied to radio antennas have the problems of large transmission loss between input and output, narrow bandwidth, low flatness and the like.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the present invention provides a power divider for a radio antenna.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: a power divider for a radio antenna structurally comprises an outer tube, a power input interface, a power output interface, a first impedance converter and a second impedance converter, wherein the power input interface, the power output interface, the first impedance converter and the second impedance converter are arranged on the outer tube; the power output interfaces are connected to the other end, far away from the power input interface, of the outer pipe, the number of the power output interfaces is 4, and the 4 power output interfaces are connected to the outer side of the outer pipe in an annular array mode respectively; the first impedance converter and the second impedance converter are respectively arranged on the upper part and the lower part of the outer pipe in a built-in mode, one end of the first impedance converter is connected with the power input interface through a contact pin in the connecting assembly, the other end of the first impedance converter is connected with the second impedance converter, and one end, far away from the first impedance converter, of the second impedance converter is connected with the power output interface through a copper sheet.

Preferably, an upper fixing plug and a lower fixing plug for fixing the first impedance transformer and the second impedance transformer are respectively arranged on the inner cavity of the outer tube.

Preferably, coupling assembling includes apron, contact pin, aluminium part and circle stopper, the apron lid is established on the top of outer tube, the head embedding of contact pin is connected through aluminium part, circle stopper between this contact pin and the apron in the cavity of power input interface, and threaded connection is on first impedance converter's top after the afterbody of this contact pin runs through last fixed stopper.

Preferably, the head of the second impedance transformer is screwed to the tail of the first impedance transformer.

From the above description of the structure of the present invention, compared with the prior art, the present invention has the following advantages:

the power divider for the radio antenna provided by the utility model has the advantages that the purpose of dividing power into four parts can be realized, the transmission loss of the antenna is reduced, the bandwidth is wide, the flatness is good, the standing-wave ratio is less than 1.1 and the like by adopting the power input interface and the four power output interfaces, and the power input interface and the power output interface are connected through the two impedance converters.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of a power divider for a radio antenna according to the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a standing wave diagram of a power divider for a radio antenna according to the present invention.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

Examples

Referring to fig. 1, 2 and 3, a power divider for a radio antenna structurally includes an outer tube 7, a power input interface 1 disposed on the outer tube 7, a power output interface 12, a first impedance transformer 8 and a second impedance transformer 10, wherein the power input interface 1 is connected to one end of the outer tube 7 through a connection assembly; the power output interfaces 12 are connected to the other end of the outer tube 7 far away from the power input interface 1, the number of the power output interfaces 12 is 4, and the 4 power output interfaces 12 are respectively connected to the outer side of the outer tube 7 in an annular array manner; the first impedance transformer 8 and the second impedance transformer 10 are respectively arranged on the upper part and the lower part of the outer tube 7, one end of the first impedance transformer 8 is connected with the power input interface 1 through a pin 2 in the connecting component, the other end of the first impedance transformer 8 is connected with the second impedance transformer 10, and one end of the second impedance transformer 10 far away from the first impedance transformer 8 is connected with the power output interface 12 through a copper sheet. By adopting the structure, the power divider has the advantages of realizing the purpose of dividing power into four parts, reducing the transmission loss of the antenna, having wide bandwidth, good flatness, having a standing-wave ratio less than 1.1 and the like by adopting one power input interface and four power output interfaces and connecting the power input interface and the power output interface through two impedance converters.

Further, an upper fixing plug 6 and a lower fixing plug 9 for fixing the first impedance transformer 8 and the second impedance transformer 10 are respectively arranged on the inner cavity of the outer tube 7. By adopting the structure, the arrangement of the upper fixing plug and the lower fixing plug is beneficial to better fixing the first impedance converter and the second impedance converter on the inner cavity of the outer tube.

Further, coupling assembling includes apron 5, contact pin 2, aluminium part 3 and

round stopper

4, and 5 lids of apron are established on the top of outer tube 7, and the head of contact pin 2 is embedded into the cavity of power input interface 1, is connected through aluminium part 3, round stopper 4 between this contact pin 2 and the apron 5, and threaded connection is on the top of first impedance converter 8 behind the afterbody of this contact pin 2 runs through last fixed stopper 6. By adopting the structure, the power input interface can be firmly connected with the outer pipe, and finally, the power input is facilitated.

Further, the head of the second impedance transformer 10 is screwed to the tail of the first impedance transformer 8. By adopting the structure, the installation and the disassembly are convenient, thereby being beneficial to the transportation.

The power divider can achieve the purpose of dividing power into four parts. In the utility model, the network is not limited to one-to-four, and can be changed into a multiport network according to requirements, so as to realize the purpose of one-to-many. The center frequency of the power divider used for the radio antenna is 88MHz-108MHz, so that the center frequency of the utility model reaches the frequency of the power divider required by the frequency of the radio, namely, the utility model is suitable for the use of the radio antenna.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A power divider for a radio antenna, characterized by: the structure of the power amplifier comprises an outer tube, a power input interface, a power output interface, a first impedance converter and a second impedance converter, wherein the power input interface, the power output interface, the first impedance converter and the second impedance converter are arranged on the outer tube; the power output interfaces are connected to the other end, far away from the power input interface, of the outer pipe, the number of the power output interfaces is 4, and the 4 power output interfaces are connected to the outer side of the outer pipe in an annular array mode respectively; the first impedance converter and the second impedance converter are respectively arranged on the upper part and the lower part of the outer pipe in a built-in mode, one end of the first impedance converter is connected with the power input interface through a contact pin in the connecting assembly, the other end of the first impedance converter is connected with the second impedance converter, and one end, far away from the first impedance converter, of the second impedance converter is connected with the power output interface through a copper sheet.

2. The power divider as claimed in claim 1, wherein: and an upper fixing plug and a lower fixing plug for fixing the first impedance converter and the second impedance converter are respectively arranged on the inner cavity of the outer tube.

3. A power divider for a radio antenna as defined in claim 2, wherein: the coupling assembling includes apron, contact pin, aluminium part and circle stopper, the apron lid is established on the top of outer tube, during the head embedding of contact pin was connected through aluminium part, circle stopper between this contact pin and the apron, the afterbody of this contact pin runs through fixed stopper back threaded connection on the top of first impedance converter.

4. The power divider as claimed in claim 1, wherein: the head of the second impedance transformer is screwed on the tail of the first impedance transformer.