Horn antenna with insertion piece

Abstract

An adjusting mechanism comprises an air cylinder, an upper baffle plate and a lower baffle plate, the air cylinder is fixedly connected on a horn radiation cavity, the output end of the air cylinder is fixedly connected with a connecting plate, the connecting plate is fixedly connected with the lower baffle plate, and the upper baffle plate is fixedly connected with the lower baffle plate. The upper baffle and the lower baffle are connected through a transmission mechanism, the transmission mechanism is movably connected with the horn radiation cavity, a limiting mechanism is arranged between the upper baffle and the frame body, and the structure of the upper baffle is the same as that of the lower baffle. The positions of the upper baffle plate and the lower baffle plate can be changed according to actual needs, and the aperture size of the horn antenna is changed through the cooperative use of the upper baffle plate and the lower baffle plate, so that the horn antenna is suitable for various gain scenes.

Description

Technical Field

[0001] The utility model relates to the technical field of horn antennas, in particular to a horn antenna with an insert. Background Art

[0002] The horn antenna is a planar antenna, a microwave antenna with a circular or rectangular cross-section that gradually opens at the end of the waveguide tube. It is the most widely used type of microwave antenna. Its radiation field is determined by the size of the horn's aperture and the propagation type. The horn antenna is a widely used microwave antenna with the advantages of simple structure, wide bandwidth, large power capacity, and easy adjustment and use. The existing technology has the following shortcomings: If an ordinary horn antenna is used, then in some scenarios where high gain is required, it may be necessary to replace the horn antenna to achieve it, which will reduce the scope of application of the device, so a horn antenna that can adjust the size of the horn's aperture is needed. Utility Model Content

[0003] The purpose of the utility model is to provide a horn antenna with an insert to solve the technical problems mentioned in the above background technology.

[0004] The purpose of the utility model can be achieved through the following technical solutions:

[0005] A horn antenna with an insert comprises a horn radiation cavity and a frame body arranged on the horn radiation cavity, wherein an adjustment mechanism is arranged between the horn radiation cavity and the frame body.

[0006] The adjustment mechanism includes a cylinder, an upper baffle and a lower baffle. The cylinder is fixedly connected to the speaker radiation cavity. The output end of the cylinder is fixedly connected to a connecting plate. The connecting plate and the lower baffle are fixedly connected. The upper baffle and the lower baffle are connected by a transmission mechanism. The transmission mechanism is movably connected to the speaker radiation cavity. A limiting mechanism is arranged between the upper baffle and the frame. The structure of the upper baffle is the same as that of the lower baffle.

[0007] As a further solution of the utility model: the transmission mechanism includes a first connecting rod and a second connecting rod, the first connecting rod and the second connecting rod are rotationally connected via a rotating shaft, and the first connecting rod and the second connecting rod are rotationally connected to the upper baffle and the lower baffle respectively.

[0008] As a further solution of the utility model: the limiting mechanism includes a limiting groove and a limiting strip, the limiting groove is opened on the frame, and the limiting strip is fixedly connected to the upper baffle.

[0009] As a further solution of the utility model: a support plate is fixedly connected to the speaker radiation cavity, and the support plate is fixedly connected to the rotating shaft.

[0010] As a further solution of the utility model: the limiting groove is composed of a first groove body and a second groove body, and one side of the groove cavity of the first groove body and the second groove body is opened.

[0011] As a further solution of the utility model: the limit strip is composed of a first straight plate and a second straight plate, the first straight plate is adapted to the first slot body, and the second straight plate is adapted to the second slot body.

[0012] Beneficial Effects

[0013] The utility model provides a horn antenna with an insert. Compared with the prior art, it has the following beneficial effects:

[0014] (1) The present application provides an adjustment mechanism to change the positions of the upper baffle and the lower baffle according to actual needs, and to change the aperture size of the horn antenna by using the upper baffle and the lower baffle in coordination, so that the horn antenna is suitable for a variety of gain scenarios.

[0015] (2) The present application can prevent the upper baffle and the lower baffle from falling off the frame by setting a limit mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a first-perspective stereogram of the present invention;

[0017] Figure 2 It is a second perspective stereogram of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of the horn radiation cavity of the utility model.

[0019] In the figure: 1. speaker radiation cavity; 2. frame; 3. adjustment mechanism; 31. cylinder; 32. upper baffle; 33. lower baffle; 34. connecting plate; 35. transmission mechanism; 351. first connecting rod; 352. second connecting rod; 353. rotating shaft; 36. limiting mechanism; 361. limiting groove; 3611. first groove body; 3612. second groove body; 362. limiting strip; 3621. first straight plate; 3622. second straight plate; 4. supporting plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3As shown, the utility model is a horn antenna with an insert, including a horn radiation cavity 1 and a frame 2 arranged on the horn radiation cavity 1, an adjustment mechanism 3 is arranged between the horn radiation cavity 1 and the frame 2; the adjustment mechanism 3 includes a cylinder 31, an upper baffle 32 and a lower baffle 33, the cylinder 31 is electrically connected to an external power supply and is controlled by an external control program, the cylinder 31 is fixedly connected to the horn radiation cavity 1, the output end of the cylinder 31 is fixedly connected to a connecting plate 34, the connecting plate 34 is fixedly connected to the lower baffle 33, the upper baffle 32 and the lower baffle 33 are fixedly connected, 3 are connected by a transmission mechanism 35, and the transmission mechanism 35 is movably connected to the horn radiation cavity 1. A limiting mechanism 36 is set between the upper baffle 32 and the frame 2. The structure of the upper baffle 32 is the same as that of the lower baffle 33 (a limiting mechanism 36 is also set between the lower baffle 33 and the frame 2). By setting the adjustment mechanism 3, the positions of the upper baffle 32 and the lower baffle 33 can be changed according to actual needs. The aperture size of the horn antenna can be changed by using the upper baffle 32 and the lower baffle 33 in coordination, so that it is suitable for a variety of gain scenarios.

[0022] The transmission mechanism 35 includes a first connecting rod 351 and a second connecting rod 352 , which are rotatably connected via a rotating shaft 353 , and are rotatably connected to the upper baffle 32 and the lower baffle 33 , respectively.

[0023] The limiting mechanism 36 includes a limiting groove 361 and a limiting bar 362. The limiting groove 361 is opened on the frame 2, and the limiting bar 362 is fixedly connected to the upper baffle 32. The limiting bar 362 can be removed. By setting the limiting mechanism 36, the upper baffle 32 and the lower baffle 33 can be prevented from falling off from the frame 2.

[0024] A support plate 4 is fixedly connected to the speaker radiation cavity 1 , and the support plate 4 is fixedly connected to the rotating shaft 353 .

[0025] The limiting groove 361 is composed of a first groove body 3611 and a second groove body 3612 , and one side of the groove cavity of the first groove body 3611 and the second groove body 3612 is opened.

[0026] The limiting strip 362 is composed of a first straight plate 3621 and a second straight plate 3622 . The first straight plate 3621 is matched with the first slot body 3611 , and the second straight plate 3622 is matched with the second slot body 3612 .

[0027] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0028] The working principle of the utility model is as follows: by opening the cylinder 31, the lower baffle 33 is driven to move through the connecting plate 34, and then, through the coordinated use of the first connecting rod 351, the second connecting rod 352 and the rotating shaft 353, the upper baffle 32 and the lower baffle 33 are able to move relative to each other, and then the upper baffle 32 and the lower baffle 33 are adjusted to suitable positions. Therefore, the positions of the upper baffle 32 and the lower baffle 33 can be changed according to actual needs, and the aperture size of the horn antenna can be changed by the coordinated use of the upper baffle 32 and the lower baffle 33, so that it is suitable for a variety of gain scenarios.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A horn antenna with an insert, comprising a horn radiation cavity (1) and a frame (2) arranged on the horn radiation cavity (1), characterized in that: An adjustment mechanism (3) is provided between the speaker radiation cavity (1) and the frame (2); The regulating mechanism (3) comprises a cylinder (31), an upper baffle (32) and a lower baffle (33); the cylinder (31) is fixedly connected to the speaker radiation chamber (1); the output end of the cylinder (31) is fixedly connected to a connecting plate (34); the connecting plate (34) and the lower baffle (33) are fixedly connected; the upper baffle (32) and the lower baffle (33) are connected via a transmission mechanism (35); the transmission mechanism (35) and the speaker radiation chamber (1) are movably connected; a limiting mechanism (36) is provided between the upper baffle (32) and the frame (2); the structure of the upper baffle (32) is the same as that of the lower baffle (33).

2. A horn antenna with an insert according to claim 1, characterized in that: The transmission mechanism (35) comprises a first connecting rod (351) and a second connecting rod (352), wherein the first connecting rod (351) and the second connecting rod (352) are rotationally connected via a rotating shaft (353), and the first connecting rod (351) and the second connecting rod (352) are rotationally connected to the upper baffle (32) and the lower baffle (33) respectively.

3. The horn antenna with an insert according to claim 1, characterized in that: The limiting mechanism (36) comprises a limiting groove (361) and a limiting strip (362); the limiting groove (361) is provided on the frame (2); and the limiting strip (362) is fixedly connected to the upper baffle (32).

4. The horn antenna with an insert according to claim 1, characterized in that: A support plate (4) is fixedly connected to the horn radiation cavity (1), and the support plate (4) is fixedly connected to the rotating shaft (353).

5. The horn antenna with an insert according to claim 3, characterized in that: The limiting groove (361) is composed of a first groove body (3611) and a second groove body (3612), and one side of the groove cavity of the first groove body (3611) and the second groove body (3612) are both opened.

6. A horn antenna with an insert according to claim 5, characterized in that: The limiting strip (362) is composed of a first straight plate (3621) and a second straight plate (3622), wherein the first straight plate (3621) is adapted to the first slot body (3611), and the second straight plate (3622) is adapted to the second slot body (3612).

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