CN216980846U

CN216980846U - 400M receiving omnidirectional antenna

Info

Publication number: CN216980846U
Application number: CN202220895724.7U
Authority: CN
Inventors: 宋大权; 辛涛
Original assignee: Zhong Man Technology Beijing Co ltd
Current assignee: Zhong Man Technology Beijing Co ltd
Priority date: 2022-04-18
Filing date: 2022-04-18
Publication date: 2022-07-15
Anticipated expiration: 2032-04-18

Abstract

The application relates to a 400M receiving omnidirectional antenna, comprising: installation department, fixed column, quadrifilar helix antenna and protective housing. The fixed column is arranged in the middle of the mounting part. The four-arm helical antenna is sleeved on the fixing column, and two opposite ends of the four-arm helical antenna are connected with the mounting part and the fixing column respectively. The protective housing is buckled and is established on the installation department, and fixed column and quadrifilar helix antenna are located the inside cavity of protective housing. This application is applicable to and receives the sounding data, through setting up fixed column and installation department, makes four arm helical antenna's installation more stable to adapt to complicated meteorological environment. Through setting up the protective housing, make quadrifilar helix antenna be located the inside cavity of protective housing, further improve the protectiveness to quadrifilar helix antenna. The protective housing is buckled on the installation part, and then the installation part is installed at the working position, so that construction and erection are convenient.

Description

400M receiving omnidirectional antenna

Technical Field

The application relates to the technical field of high-altitude meteorological observation instruments, in particular to a 400M receiving omnidirectional antenna.

Background

With the development of meteorological science cause, the requirements of meteorological services on high-altitude detection are higher and higher. This requires a higher performance receiver for data reception in order to perform more sounding data collection. The satellite navigation receiver can be used for receiving and data processing of the GPS/BD sonde, can realize that a plurality of terminals work under the same channel, effectively saves frequency spectrum resources and improves the frequency spectrum utilization rate. The receiving of the data in the 400MHZ-406MHZ frequency band can be supported, and the number of load terminals of the system is effectively increased. Omni-directional antennas are the most important and important component of this receiving system.

However, the existing omnidirectional antenna is difficult to be suitable for complex meteorological environment and meet the actual requirement.

Disclosure of Invention

In view of the above, the present application provides a 400M receiving omni-directional antenna to adapt to a complex weather environment.

According to an aspect of the present application, there is provided a 400M reception omni-directional antenna, including:

the antenna comprises an installation part, a fixed column, a four-arm spiral antenna and a protective shell;

the fixing column is arranged in the middle of the mounting part;

the four-arm spiral antenna is sleeved on the fixed column, and two opposite ends of the four-arm spiral antenna are respectively connected with the mounting part and the fixed column;

the protective housing is buckled on the installation part, and the fixed column and the four-arm helical antenna are located in an inner cavity of the protective housing.

In one possible implementation, the low-noise amplifier is further included;

the low noise amplifier sets up on the installation department with the quadrifilar helix antenna electricity is connected, low noise amplifier is located the internal cavity of protective housing, low noise amplifier be applicable to with send to receiving system after the signal processing that quadrifilar helix antenna received.

In one possible implementation, the mounting portion includes a first mounting plate, a second mounting plate, and a support column;

the first mounting plate and the second mounting plate are arranged oppositely, and two opposite ends of the support column in the body length direction are respectively connected with the first mounting plate and the second mounting plate;

the fixing column is fixed on the first mounting plate.

In one possible implementation manner, the number of the supporting columns is more than two;

more than two support columns are arranged between the first mounting plate and the second mounting plate in a circumferential mode.

In a possible implementation manner, the fixing column is disposed on a side of the first mounting plate, which is away from the second mounting plate.

In one possible implementation, the low noise amplifier is disposed on a side of the second mounting plate facing the first mounting plate.

In a possible implementation manner, the edge of the opening of the protective shell is connected with the second mounting plate, and the first mounting plate is located in the internal cavity of the protective shell.

In one possible implementation, the first mounting plate and the second mounting plate are both circular structures.

In a possible implementation manner, one end of the protective shell, which is far away from the installation part, is a curved surface, and the curved surface faces the direction far away from the installation part and protrudes.

In one possible implementation, the protective shell is made of glass fiber reinforced plastic.

This application is applicable to and receives the exploration data, through setting up fixed column and installation department, makes the installation of four-arm helical antenna more stable to adapt to complicated meteorological environment. Through setting up the protective housing, make quadrifilar helix antenna be located the inside cavity of protective housing, further improve the protectiveness to quadrifilar helix antenna. The protective housing is buckled on the installation part, and then the installation part is installed at the working position, so that construction and erection are convenient.

Other features and aspects of the present application will become apparent from the following detailed description of exemplary embodiments, which proceeds with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate exemplary embodiments, features, and aspects of the application and, together with the description, serve to explain the principles of the application.

Fig. 1 is a main structure diagram of a 400M receiving omni-directional antenna according to an embodiment of the present application;

fig. 2 shows a structural diagram of an unmounted protective case of a 400M receive omni-directional antenna according to an embodiment of the present application.

Detailed Description

Various exemplary embodiments, features and aspects of the present application will be described in detail below with reference to the accompanying drawings. In the drawings, like reference numbers can indicate functionally identical or similar elements. While the various aspects of the embodiments are presented in drawings, the drawings are not necessarily drawn to scale unless specifically indicated.

It will be understood, however, that the terms "central," "longitudinal," "lateral," "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing or simplifying the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the utility model.

Furthermore, the terms "first", "second" and "first" 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" or "second" 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 specifically defined otherwise.

The word "exemplary" is used exclusively herein to mean "serving as an example, embodiment, or illustration. Any embodiment described herein as "exemplary" is not necessarily to be construed as preferred or advantageous over other embodiments.

Furthermore, in the following detailed description, numerous specific details are set forth in order to provide a better understanding of the present application. It will be understood by those skilled in the art that the present application may be practiced without some of these specific details. In some instances, methods, means, elements and circuits that are well known to those skilled in the art have not been described in detail so as not to obscure the present application.

Fig. 1 illustrates a main body structure diagram of a 400M reception omni-directional antenna according to an embodiment of the present application. Fig. 2 illustrates a structural view of an unmounted protective case of a 400M receive omni-directional antenna according to an embodiment of the present application. As shown in fig. 1, the 400M receive omni directional antenna includes: the antenna includes a mounting portion 100, a fixing post 300, a quadrifilar helix antenna, and a protective case 200. The fixing post 300 is provided at the middle of the mounting part 100. The quadrifilar helix antenna is sleeved on the fixed column 300, and two opposite ends of the quadrifilar helix antenna are respectively connected with the installation part 100 and the fixed column 300. The protective housing 200 is fastened to the mounting portion 100, and the fixing post 300 and the quadrifilar helical antenna are located in an internal cavity of the protective housing 200.

This application is applicable to the 400MHz signal that receives the sonde and send, through setting up fixed column 300 and installation department 100, makes the installation of four arms helical antenna more stable to adapt to complicated meteorological environment. Through setting up protective housing 200, make quadrifilar helix antenna be located the inside cavity of protective housing 200, further improve the protectiveness to quadrifilar helix antenna. The protective shell 200 is buckled on the installation part 100, and then the installation part 100 is installed at a working position, so that construction and erection are convenient.

In one possible implementation, a low noise amplifier 400 is also included. The low noise amplifier is disposed on the mounting portion 100 and electrically connected to the quadrifilar helix antenna, the low noise amplifier is located in an inner cavity of the protective case 200, and the low noise amplifier 400 is adapted to process signals received by the quadrifilar helix antenna and then transmit the processed signals to a receiving system. The low noise amplifier 400 is arranged to enhance the strength of the signal received by the quadrifilar helix antenna, so that the long-distance receiving of 200KM is met. The method can be realized by adopting the common means of the technicians in the field and is not described in detail.

In one possible implementation, the mounting portion 100 includes a first mounting plate 110, a second mounting plate 120, and a support post 130. The first mounting plate 110 and the second mounting plate 120 are arranged oppositely, and two opposite ends of the support column 130 in the body length direction are connected with the first mounting plate 110 and the second mounting plate 120 respectively. Overall structure is comparatively simple, the effectual manufacturing cost that has reduced.

Here, it should be noted that the material of the mounting portion 100 is pure aluminum subjected to oxidation treatment, which increases environmental adaptability of the mounting portion 100 and prolongs the service life of the present application.

In one possible implementation, there are more than two support posts 130. Two or more support posts 130 are circumferentially arranged between the first mounting plate 110 and the second mounting plate 120. By providing more than two support posts 130, the connection between the first mounting plate 110 and the second mounting plate 120 is more stable.

In one possible implementation, the fixing posts 300 are disposed on a side of the first mounting plate 110 facing away from the second mounting plate 120. The whole structure is simple, and the production cost is effectively reduced.

Here, it should be noted that the fixing post 300 is a nylon post, and the nylon post has good mechanical properties and corrosion resistance. A preset gap is reserved between the four-arm helical antenna and the side wall of the nylon column, so that the signal receiving effect of the four-arm helical antenna is guaranteed.

In one possible implementation, the low noise amplifier 400 is disposed on a side of the second mounting board 120 facing the first mounting board 110. Overall structure is comparatively simple, the effectual manufacturing cost that has reduced.

In one possible implementation, the edge of the opening of the protective case 200 is connected to the second mounting plate 120, the first mounting plate 110 is located in the internal cavity of the protective case 200, and the fixing post 300, the quadrifilar helix antenna, and the low noise amplifier 400 may be located inside the protective case 200.

In one possible implementation, the first mounting plate 110 and the second mounting plate 120 are both circular structures, and the area of the first mounting plate 110 is smaller than that of the second mounting plate 120, so that the protective shell 200 can be conveniently mounted on the mounting portion 100.

In a possible implementation manner, one end of the protective shell 200, which is far away from the mounting portion 100, is a curved surface, and the curved surface protrudes towards the direction far away from the mounting portion 100, so that the wind resistance of the whole protective shell 200 is reduced, and the environmental adaptability of the application is further enhanced.

In one possible implementation, the protective shell 200 is made of glass fiber reinforced plastic, and has good mechanical properties and corrosion resistance.

Having described embodiments of the present application, the foregoing description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the described embodiments. The terminology used herein is chosen in order to best explain the principles of the embodiments, the practical application, or improvements made to the technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims

1. A 400M receive omni directional antenna, comprising:

the fixing column is arranged in the middle of the mounting part;

2. The 400M receive omni directional antenna of claim 1, further comprising a low noise amplifier;

3. The 400M receive omni directional antenna of claim 2, wherein the mounting portion comprises a first mounting plate, a second mounting plate, and a support post;

the fixing column is fixed on the first mounting plate.

4. A 400M receive omni directional antenna according to claim 3, wherein the number of the support columns is two or more;

more than two support columns are circumferentially arranged between the first mounting plate and the second mounting plate.

5. A 400M receive omni directional antenna according to claim 3, wherein the fixed posts are disposed on a side of the first mounting plate facing away from the second mounting plate.

6. The 400M receive omni directional antenna according to claim 3, wherein the low noise amplifier is disposed on a side of the second mounting plate facing the first mounting plate.

7. A 400M receive omni directional antenna according to claim 3, wherein the edge of the opening of the protective case is connected to the second mounting plate, and the first mounting plate is located in the internal cavity of the protective case.

8. The 400M receive omni directional antenna according to claim 3, wherein the first and second mounting plates are each circular in configuration.

9. The 400M receive omni directional antenna of claim 1, wherein the end of the protective casing away from the mounting portion is a curved surface that bulges away from the mounting portion.

10. The 400M receive omni directional antenna according to claim 9, wherein the protective casing is made of glass fiber reinforced plastic.