CN219321627U

CN219321627U - Millimeter wave radar radome

Info

Publication number: CN219321627U
Application number: CN202320816454.0U
Authority: CN
Inventors: 庄乾萌; 孙玉伟; 孔惟骅
Original assignee: Nanjing Weihao Technology Co ltd
Current assignee: Nanjing Weihao Technology Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-07
Anticipated expiration: 2033-04-13

Abstract

The application relates to a millimeter wave radar antenna housing, relates to antenna housing technical field. It comprises the following steps: the antenna cover is connected with the annular plate, and a buffer component is arranged between the annular plate and the bottom of the annular groove; the cushioning assembly includes: and the buffer spring is fixed between the annular plate and the bottom of the annular groove. The antenna housing and the base can be protected at the joint.

Description

Millimeter wave radar radome

Technical Field

The application relates to the field of radomes, in particular to a millimeter wave radome.

Background

Radomes are structures that protect antenna systems from the external environment, and which have good electromagnetic wave transmission characteristics in terms of electrical performance and are mechanically resistant to the action of the external harsh environment. Outdoor antennas are usually placed in open air for working and are directly affected by storm, ice and snow, sand dust, solar radiation and the like in the natural world, so that the accuracy of the antennas is reduced, the service life of the antennas is shortened, the operational reliability of the antennas is poor, and the antennas can be protected by adopting radomes.

In the related art, the Chinese patent publication number CN208127420U discloses a radar antenna housing, which comprises a fixed base, the top of fixing base is equipped with the antenna housing body, the both sides of antenna housing body all weld the connecting seat, equal movable mounting has the round bar on two connecting seats, the spacing seat has all been welded at the top of two round bars, two spacing seats respectively with two connecting seat looks adaptations, two place the chamber has been seted up on the fixing base, the bottom of two round bars extends to two respectively and places the intracavity, equal fixed mounting has the motor on the bottom inner wall in chamber is placed to two, all weld on the output shaft of two motors has first gear, all rotate on the bottom inner wall in chamber is placed to two and install the dwang, the second gear has all been welded at the top of two dwang, two second gears mesh with two first gears respectively, all weld first sprocket on two dwang. This application is convenient for radome body installation and dismantlement, better protection antenna, simple structure, convenient to use.

Although can be convenient for the radome body installation dismantlement, when encountering strong wind weather, because wind-force is great and constantly blow the radome body, if so long time, the radome body can not obtain buffering, then the round bar is broken easily to the radome body can't install on the fixing base steadily and lead to unable protection to the radar antenna.

Disclosure of Invention

In order to improve when encountering strong wind weather, because wind-force is great and constantly blow the radome body, if so long time, the radome body can not be buffered, then the round bar is broken easily to the radome body can't install on the fixing base steadily and lead to the problem that can't protect the radar antenna, this application provides a millimeter wave radar radome.

The application provides a millimeter wave radar radome adopts following technical scheme:

a millimeter wave radome, comprising: the antenna cover is connected with the annular plate, and a buffer component is arranged between the annular plate and the bottom of the annular groove;

the cushioning assembly includes: and the buffer spring is fixed between the annular plate and the bottom of the annular groove.

Through adopting above-mentioned technical scheme, buffer spring can realize carrying out the purpose of buffering to a certain extent to this rocking to be difficult for taking place the condition of rupture between radome and the annular plate, with ensure that the radome can maintain protecting radar antenna.

Optionally, the buffer assembly further includes: the sliding rod and the sleeve are fixed at the bottom of the annular groove, damping fluid is filled in the sleeve, the buffer spring is sleeved on the sleeve, one end of the sliding rod is fixed with the annular plate, and the other end of the sliding rod stretches into the sleeve.

Through adopting above-mentioned technical scheme, the sleeve can carry out spacingly to buffer spring is difficult for taking place to crooked and can't play better buffering effect by compressed in-process.

Optionally, a sponge is filled between the ring plate and the bottom of the ring groove.

By adopting the technical scheme, the sponge can be compressed, so that the shaking is further buffered.

Optionally, the limiting groove has been seted up to the inside wall of annular, the fixed limiting plate that is provided with of lateral wall of annular, the limiting plate slide in the limiting groove.

Through adopting above-mentioned technical scheme, the limiting plate can play spacing effect to the annular plate can remove in the annular steadily and be difficult for sliding out from the annular.

Optionally, the storage tank has been seted up to the inside wall of spacing groove, the limiting plate is kept away from the standing groove has been seted up to one side of annular plate, just the storage tank with roll between the standing groove and be provided with the ball.

Through adopting above-mentioned technical scheme, limiting plate can receive less frictional force at the in-process of following vertical direction slip.

Optionally, the top of annular plate runs through and has seted up the hole of stepping down, the hole internal fixation of stepping down is provided with the cell body, the bottom of radome is fixedly provided with the ring piece, ring piece threaded connection in the cell body.

Through adopting above-mentioned technical scheme, radome and base can separate to change the radome or overhaul inside radar antenna.

Optionally, a rubber belt is fixedly arranged between the ring block and the inner wall of the ring groove.

Through adopting above-mentioned technical scheme, the rubber tape can make outside rainwater be difficult for getting into in the annular to form the protection to buffer spring.

Optionally, a protective layer is smeared on the rubber belt.

Through adopting above-mentioned technical scheme, the inoxidizing coating can play the effect of protection to the rubber tape to improve performances such as corrosion resistance of rubber tape, thereby extension rubber tape's life.

In summary, the present application includes at least one of the following beneficial effects:

1. the buffer spring can achieve the purpose of buffering the shaking to a certain extent, so that the antenna housing and the annular plate are not easy to break, and the antenna housing can be ensured to maintain protection of the radar antenna.

2. The radome and the base can be separated, so that the radome can be replaced or the internal radar antenna can be overhauled.

3. The limiting plate can have a limiting effect on the annular plate, so that the annular plate can stably move in the annular groove and cannot slide out of the annular groove easily.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present application;

FIG. 2 is a cross-sectional view of the cushioning assembly;

fig. 3 is an enlarged view at a in fig. 2.

In the figure: 1. a base; 11. a ring groove; 111. a sponge; 12. a limit groove; 13. a receiving groove; 2. a ring plate; 21. a relief hole; 3. a ball; 4. a tank body; 5. an antenna housing; 51. a ring block; 6. a rubber belt; 61. a protective layer; 7. a limiting plate; 71. a placement groove; 8. a buffer assembly; 81. a slide bar; 82. a sleeve; 83. a buffer spring; 9. damping fluid.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a millimeter wave radar radome. Referring to fig. 1, a millimeter wave radome comprises a base 1 and a radome 5, wherein the base 1 is annular, and the radome 5 is mounted on the top of the base 1.

Referring to fig. 2 and 3, an annular ring groove 11 is formed at the top of the base 1, a ring plate 2 is disposed in the ring groove 11, and the ring plate 2 can move in the vertical direction in the ring groove 11. The radome 5 is connected with the annular plate 2, and a buffer component 8 is arranged between the annular plate 2 and the bottom of the annular groove 11.

Referring to fig. 3, the buffer assembly 8 includes: the slide bar 81, the sleeve 82 and the buffer spring 83, one end of the buffer spring 83 is fixed with the bottom wall of the annular plate 2, and the other end is fixed with the bottom of the annular groove 11. When the radome 5 is blown continuously in strong wind weather, the radome 5 can shake, and the buffer spring 83 can buffer the shake to a certain extent, so that breakage is not easy to occur between the radome 5 and the annular plate 2, and the radome 5 can be ensured to keep protecting the radar antenna.

Referring to fig. 3, a sleeve 82 is fixedly installed at the bottom of the ring groove 11, one end of a sliding rod 81 is fixed with the bottom wall of the ring plate 2, the other end of the sliding rod stretches into the sleeve 82, a buffer spring 83 is sleeved on the sleeve 82, and the sleeve 82 can limit the buffer spring 83, so that the buffer spring 83 is not easy to bend in the compressed process, and a good buffer effect cannot be achieved. The sleeve 82 is filled with damping fluid 9, the damping fluid 9 is typically silicone oil or glycerin, and the damping fluid 9 attenuates kinetic energy generated by shaking, so that a better buffering effect is achieved.

Referring to fig. 3, in addition, a sponge 111 is filled between the ring plate 2 and the groove bottom of the ring groove 11, and when the ring plate 2 is shaken in the vertical direction, the sponge 111 is compressed, thereby further buffering the shaking.

Referring to fig. 3, further, an annular yielding hole 21 is formed in the top of the ring plate 2 in a penetrating manner, a groove body 4 is welded in the yielding hole 21, the top of the groove body 4 is an opening, and the bottom of the groove body is lower than the bottom of the ring plate 2. The bottom of the radome 5 is fixedly provided with a ring block 51, and the ring block 51 is in threaded connection with the inside of the groove body 4. When the radome 5 needs to be replaced or the internal radar antenna is overhauled, the radome 5 is rotated to screw the ring block 51 out of the groove body 4, and the radome 5 can be separated from the base 1, so that the radome 5 is replaced or the internal radar antenna is overhauled.

Referring to fig. 3, a limit groove 12 is formed in the inner side wall of the ring groove 11 in the vertical direction, a limit plate 7 is fixedly arranged on the side wall of the ring plate 2, and the limit plate 7 slides in the limit groove 12. The limiting plate 7 can have a limiting effect on the ring plate 2, so that the ring plate 2 can stably move in the ring groove 11 and cannot slide out of the ring groove 11 easily.

Referring to fig. 3, in addition, the groove bottom of the limit groove 12 is provided with a receiving groove 13, one side of the limit plate 7 away from the annular plate 2 is provided with a placing groove 71, and the ball 3 is arranged between the receiving groove 13 and the placing groove 71 in a rolling manner.

Referring to fig. 3, a rubber band 6 is fixedly provided between opposite side walls of the ring block 51 and the ring groove 11, and the rubber band 6 can be extended and contracted to a certain extent. The surface of the rubber belt 6 is coated with a protective layer 61, and the protective layer 61 can be sprayed by polytetrafluoroethylene so as to improve the corrosion resistance of the rubber belt 6 and the like.

The implementation principle of the millimeter wave radar radome in the embodiment of the application is as follows: when the radome 5 is blown continuously in strong wind weather, the radome 5 can shake, and the buffer spring 83 can buffer the shake to a certain extent, so that breakage is not easy to occur between the radome 5 and the annular plate 2, and the radome 5 can be ensured to keep protecting the radar antenna.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. A millimeter wave radome, comprising: the antenna cover comprises a base (1) and an antenna cover (5), wherein an annular groove (11) is formed in the top of the base (1), a ring plate (2) is arranged in the annular groove (11), the antenna cover (5) is connected with the ring plate (2), and a buffer component (8) is arranged between the ring plate (2) and the bottom of the annular groove (11);

the cushioning assembly (8) comprises: and the buffer spring (83), wherein the buffer spring (83) is fixed between the annular plate (2) and the groove bottom of the annular groove (11).

2. A millimeter wave radome according to claim 1, wherein said buffer assembly (8) further comprises: slide bar (81) and sleeve (82), sleeve (82) are fixed in the tank bottom of annular (11), just sleeve (82) intussuseption is filled with damping fluid (9), buffer spring (83) cover are located on sleeve (82), slide bar (81) one end with annular plate (2) is fixed, the other end flexible in sleeve (82).

3. A millimeter wave radome according to claim 2, characterized in that a sponge (111) is filled between the annular plate (2) and the groove bottom of the annular groove (11).

4. A millimeter wave radome according to claim 3, wherein the inner side wall of the ring groove (11) is provided with a limit groove (12), the side wall of the ring plate (2) is fixedly provided with a limit plate (7), and the limit plate (7) slides in the limit groove (12).

5. The millimeter wave radome according to claim 4, wherein the inner side wall of the limit groove (12) is provided with a containing groove (13), one side of the limit plate (7) away from the annular plate (2) is provided with a containing groove (71), and a ball (3) is arranged between the containing groove (13) and the containing groove (71) in a rolling way.

6. The millimeter wave radome according to claim 1, wherein a yielding hole (21) is formed in the top of the annular plate (2) in a penetrating manner, a groove body (4) is fixedly arranged in the yielding hole (21), an annular block (51) is fixedly arranged at the bottom of the radome (5), and the annular block (51) is in threaded connection with the groove body (4).

7. The millimeter wave radome of claim 6, wherein a rubber band (6) is fixedly arranged between the annular block (51) and the inner wall of the annular groove (11).

8. A millimeter wave radome according to claim 7, wherein said rubber band (6) is coated with a protective layer (61).