CN216251073U - Communication antenna radio frequency joint shock-absorbing structure - Google Patents
Communication antenna radio frequency joint shock-absorbing structure Download PDFInfo
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- CN216251073U CN216251073U CN202122835327.9U CN202122835327U CN216251073U CN 216251073 U CN216251073 U CN 216251073U CN 202122835327 U CN202122835327 U CN 202122835327U CN 216251073 U CN216251073 U CN 216251073U
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Abstract
The utility model discloses a communication antenna radio frequency joint damping structure, which comprises a rotary joint upper mounting plate, a rotary joint lower mounting plate and a plurality of dampers, wherein the rotary joint upper mounting plate is arranged on the rotary joint; the upper end of the rotary joint is connected with the upper mounting plate of the rotary joint; the lower end of the rotary joint is electrically connected with the slip ring; the plurality of shock absorbers are arranged between the rotary joint upper mounting plate and the rotary joint lower mounting plate. The shock absorber used for buffering and damping is arranged between the upper mounting plate and the lower mounting plate of the rotary joint, the shock absorber is added, so that the vibration kinetic energy magnitude of the rotary joint can be reduced, the transmission radio-frequency signal of the rotary joint is stable, the signal fluctuation is reduced, the signal noise of the radio-frequency signal is reduced, and compared with the technology of connecting by using screws, the technology has the advantages of small signal loss and high transmission efficiency in a connection mode without the shock absorber.
Description
Technical Field
The utility model relates to the technical field of satellite communication products, in particular to a communication antenna radio frequency joint shock absorption structure.
Background
The satellite communication device comprises a component for conducting radio frequency signals between two mutually rotating parts of the satellite communication device, which are generally called rotary joints, and the satellite communication device is communicated with an azimuth rotating part or a pitching rotating part and other mutually rotating parts by the rotary joints.
When a communication signal (which can be an electric signal and a radio frequency signal) passes through the two components in mutual rotation relationship, the satellite communication equipment arranged on the moving carrier simultaneously requires smooth transmission of the microwave signal, and the radio frequency signal is connected through the rotary joint; the electrical signals are connected via slip rings. The commonly used installation mode of the existing product is that a middle rotary joint is directly connected with a sliding ring of an outer ring by a screw, or two ends of the rotary joint are respectively connected with two mutually rotating parts by screws.
As shown in fig. 4, an input end 1 on the rotary joint, an output end 2 on the rotary joint, a slip ring 7, and a mounting rack 10 are shown, the upper end of the rotary joint is connected with the mounting rack 10, the existing mounting manner is that the upper end and the lower end of the rotary joint are respectively and directly mounted on two parts of the relative motion of the equipment, because the equipment carrier bumps in the motion, that is, the loss of radio frequency signals passing through the rotary joint is increased when the equipment vibrates, the signal noise is increased, and the communication performance index is poor.
Therefore, it is necessary to develop a damping structure for radio frequency joints of communication antennas to solve the above problems.
Disclosure of Invention
The utility model aims to solve the problems and designs a radio frequency joint damping structure of a communication antenna.
The utility model realizes the purpose through the following technical scheme:
communication antenna radio frequency joint shock-absorbing structure includes:
the rotary joint is provided with an upper mounting plate; the upper end of the rotary joint is connected with the upper mounting plate of the rotary joint;
a rotary joint lower mounting plate; the lower end of the rotary joint is electrically connected with the slip ring;
a plurality of shock absorbers; the plurality of shock absorbers are arranged between the rotary joint upper mounting plate and the rotary joint lower mounting plate.
Preferably, the plurality of dampers are evenly distributed around the axis of the rotary joint; the axis of the mounting plate on the rotary joint is coincident with the axis of the rotary joint.
Specifically, the rotary joint upper mounting plate is formed into a cylindrical ring structure; the upper end of the mounting plate on the rotary joint is provided with an opening, one part of the rotary joint is arranged in the mounting plate on the rotary joint, the upper end of the rotary joint is connected with the inner side of the upper end of the mounting plate on the rotary joint, and the input end on the rotary joint and the output end on the rotary joint penetrate out of the opening on the mounting plate on the rotary joint.
Preferably, the lower end of the rotary joint upper mounting plate is formed with a plurality of protrusions facing radially outward, and the upper ends of the plurality of dampers are connected with the plurality of protrusions, respectively.
Preferably, the angle of separation between any two adjacent projections is the same.
Preferably, there are three dampers.
Specifically, the rotary joint is arranged on the upper portion of the lower rotary joint mounting plate, the lower rotary joint mounting plate is arranged on the upper portion of the sliding ring, the lower rotary joint mounting plate is annular, and the lower rotary joint output end and the lower rotary joint input end both penetrate through the inner portion of the lower rotary joint mounting plate downwards.
The utility model has the beneficial effects that:
the shock absorber used for buffering shock absorption is arranged between the mounting plate on the rotary joint and the mounting plate under the rotary joint, the vibration kinetic energy magnitude of the rotary joint can be reduced by increasing the shock absorber, so that the transmission radio-frequency signal of the rotary joint is stable, the signal fluctuation is reduced, the signal noise of the radio-frequency signal is reduced, compared with the technology of screw connection, the connecting mode without the shock absorber is small in signal loss, and the transmission efficiency is high.
Drawings
FIG. 1 is a first perspective view of the present application;
FIG. 2 is a second perspective view of the present application;
FIG. 3 is a cross-sectional view of the present application;
FIG. 4 is a schematic diagram of a prior art configuration;
the device comprises a rotary joint, a mounting frame, a vibration damper, a sliding ring, a rotary joint, a mounting plate and a power supply, wherein the rotary joint comprises an upper input end 1, an upper output end 2, an upper mounting plate 3, a lower output end 4, a lower input end 5, a lower mounting plate 6, a lower mounting plate 7, a sliding ring 8, a rotary joint 9, a vibration damper 10 and a mounting frame.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inner", "outer", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the equipment or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect via an intermediate medium, and may be a communication between the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The following detailed description of embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1-3, the radio frequency joint shock-absorbing structure of the communication antenna comprises:
a rotary joint upper mounting plate 3; the rotary joint upper mounting plate 3 is formed into a cylindrical annular structure; the upper end of the rotary joint upper mounting plate 3 is provided with an opening, a part of the rotary joint 8 is arranged in the rotary joint upper mounting plate 3, the upper end of the rotary joint 8 is connected with the inner side of the upper end of the rotary joint upper mounting plate 3, and the rotary joint upper input end 1 and the rotary joint upper output end 2 are arranged by penetrating out of the opening on the rotary joint upper mounting plate 3;
a rotary joint lower mounting plate 6; the lower end of the rotary joint 8 is electrically connected with the slip ring 7; the rotary joint 8 is arranged on the upper part of the rotary joint lower mounting plate 6, the rotary joint lower mounting plate 6 is arranged on the upper part of the slip ring 7, the rotary joint lower mounting plate 6 is annular, and the rotary joint lower output end 4 and the rotary joint lower input end 5 both downwards penetrate through the interior of the rotary joint lower mounting plate 6;
three shock absorbers 9; the three shock absorbers 9 are uniformly distributed around the axis of the rotary joint 8; the axis of the mounting plate 3 on the rotary joint is superposed with the axis of the rotary joint 8; the lower end of the rotary joint upper mounting plate 3 is provided with three outward radial bulges, and the upper ends of the three shock absorbers 9 are respectively connected with the three bulges; the interval angles between any two adjacent bulges are the same; the lower ends of the three shock absorbers 9 are connected with the lower mounting plate 6 of the rotary joint.
Claims (7)
1. Communication antenna radio frequency joint shock-absorbing structure, its characterized in that includes:
the rotary joint is provided with an upper mounting plate; the upper end of the rotary joint is connected with the upper mounting plate of the rotary joint;
a rotary joint lower mounting plate; the lower end of the rotary joint is electrically connected with the slip ring;
a plurality of shock absorbers; the plurality of shock absorbers are arranged between the rotary joint upper mounting plate and the rotary joint lower mounting plate.
2. The communication antenna radio frequency joint shock absorbing structure of claim 1, wherein the plurality of shock absorbers are evenly distributed around the axis line of the rotary joint; the axis of the mounting plate on the rotary joint is coincident with the axis of the rotary joint.
3. The communication antenna radio frequency joint shock-absorbing structure of claim 1, wherein the rotary joint upper mounting plate is formed into a cylindrical ring structure; the upper end of the mounting plate on the rotary joint is provided with an opening, one part of the rotary joint is arranged in the mounting plate on the rotary joint, the upper end of the rotary joint is connected with the inner side of the upper end of the mounting plate on the rotary joint, and the input end on the rotary joint and the output end on the rotary joint penetrate out of the opening on the mounting plate on the rotary joint.
4. The communication antenna radio frequency joint shock-absorbing structure of claim 3, wherein a plurality of radially outward protrusions are formed at a lower end of the mounting plate on the rotary joint, and upper ends of the plurality of shock absorbers are respectively connected to the plurality of protrusions.
5. The communication antenna radio frequency joint shock-absorbing structure of claim 4, wherein the spacing angle between any two adjacent protrusions is the same.
6. The communication antenna radio frequency joint shock absorbing structure of any one of claims 1 to 5, wherein there are three shock absorbers.
7. The communication antenna radio frequency joint shock-absorbing structure of claim 1, wherein the rotary joint is disposed on an upper portion of a lower mounting plate of the rotary joint, the lower mounting plate of the rotary joint is disposed on an upper portion of the slip ring, the lower mounting plate of the rotary joint is formed into a ring shape, and both the lower output end and the lower input end of the rotary joint are disposed downward through the lower mounting plate of the rotary joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835327.9U CN216251073U (en) | 2021-11-18 | 2021-11-18 | Communication antenna radio frequency joint shock-absorbing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122835327.9U CN216251073U (en) | 2021-11-18 | 2021-11-18 | Communication antenna radio frequency joint shock-absorbing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216251073U true CN216251073U (en) | 2022-04-08 |
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ID=80945645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122835327.9U Active CN216251073U (en) | 2021-11-18 | 2021-11-18 | Communication antenna radio frequency joint shock-absorbing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216251073U (en) |
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2021
- 2021-11-18 CN CN202122835327.9U patent/CN216251073U/en active Active
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