Integrated four-arm helical antenna

Abstract

The utility model is applicable to the technical field of satellite navigation, and provides an integrated four-arm helical antenna, which comprises a built-in frame, a substrate is arranged on the inner wall of the bottom of the built-in frame, a circuit board is fixedly connected to the inner wall of the built-in frame, a plurality of microstrip lines are connected to the outer wall of the substrate, and an antenna mast is connected to one end of the substrate; wherein the number of the antenna rods is four, the four antenna rods are spirally arranged, an inner shell is clamped to the outer wall of the built-in frame, and a clamping groove is formed in the outer wall of the inner shell; wherein the outer wall of the inner shell is connected with the outer shell in a clamped mode through a clamping groove, four sliding grooves are formed in the clamping groove and the outer wall of the outer shell, and the inner walls of the sliding grooves are connected with the outer wall of the antenna mast in an attached mode; through the arrangement of the antenna rod, the clamping groove and the shell, in the using process, the antenna rod is pulled in the using direction according to needs to be used, the antenna rod is contracted in the connecting direction of the antenna rod and the sliding groove in the idle process, and therefore the storage and protection purposes are achieved.

Description

Technical Field

[0001] The utility model belongs to the technical field of satellite navigation, and in particular relates to an integrated four-arm helical antenna. Background Art

[0002] In the Chinese utility model patent: Authorization announcement number CN213692329U, the utility model relates to a four-arm helical antenna, including a base, a first rotating body and a second rotating body, the first rotating body and the second rotating body both include a top end face, and a plurality of spiral arms extending spirally downward along the top end face, the first rotating body and the second rotating body are sleeved or integrally formed, and the spiral arms of the first rotating body and the spiral arms of the second rotating body are alternately arranged in sequence, the surface of the spiral arm is provided with a spiral downward metal wire, and the metal wire extends to the top end face and intersects, the lower part of the spiral arm is arranged on the base, and a grounded metal surface is arranged on the base, and the lower part of the metal wire is connected to the grounded metal surface. The utility model arranges the metal wire on the rotating body, so that the consistency of each metal wire, that is, the spiral wire, is better during production, and because the spiral wire is supported by the rotating body, the structure is more stable during later use, and the performance is more stable.

[0003] The above-mentioned technology and general technical means are fixed settings, which are easily damaged by moisture when placed outside for a long time and have low protection. Therefore, it is necessary to design an integrated four-arm helical antenna. Utility Model Content

[0004] The utility model provides an integrated four-arm helical antenna, aiming to solve the problem that the general technical means are fixedly set, easily damaged by moisture when placed outside for a long time, and have low protection. The utility model is implemented as follows: the integrated four-arm helical antenna comprises an internal frame: the bottom inner wall of the internal frame is provided with a substrate, the inner wall of the internal frame is fixedly connected to a circuit board, the outer wall of the substrate is connected to a plurality of microstrip lines, and one end of the substrate is connected to an antenna rod;

[0005] There are four antenna rods, and the four antenna rods are arranged in a spiral shape.

[0006] Preferably, the outer wall of the built-in frame is clamped with the inner shell, and the outer wall of the inner shell is provided with a clamping groove;

[0007] Wherein, the outer wall of the inner shell is clamped with the outer shell via a clamping groove.

[0008] Preferably, the card slot and the outer wall of the shell are provided with four slide grooves, and the inner walls of the slide grooves are fitted and connected to the outer wall of the antenna rod.

[0009] Preferably, an operating hole is formed on the outer wall of the shell, and a rubber block is fixedly connected to the inner wall of the operating hole by adhesive.

[0010] Preferably, a plurality of connection blocks are provided at the bottom of the built-in frame, a mounting plate is provided at the bottom of the connection blocks, and a rubber adhesive plate is provided at the bottom of the mounting plate.

[0011] Compared with the prior art, the embodiments of the present application have the following beneficial effects:

[0012] Through the arrangement of the antenna pole, the card slot and the shell, during use, the antenna pole is pulled along the use direction as needed for use. When idle, the antenna pole is retracted along the connection direction between the antenna pole and the slide slot, thereby achieving the purpose of storage and protection, improving the use effect of the device and providing convenience for the user. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the connection structure between the mounting plate and the built-in frame of the utility model;

[0014] Figure 2 This is a schematic diagram of the connection structure between the antenna rod and the inner shell of the utility model;

[0015] Figure 3 This is a schematic diagram of the connection structure between the housing and the antenna rod of the utility model;

[0016] Figure 4 It is a schematic diagram of the connection structure between the base plate and the built-in frame of the utility model.

[0017] In the figure: 1. Mounting plate; 2. Built-in frame; 3. Antenna rod; 4. Circuit board; 5. Inner shell; 6. Card slot; 7. Outer shell; 8. Rubber block; 9. Base plate. DETAILED DESCRIPTION

[0018] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of the application herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, not to describe a specific order.

[0019] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0020] The utility model embodiment provides an integrated four-arm helical antenna, such as Figure 1-4 As shown, it includes an internal frame 2: a base plate 9 is provided on the bottom inner wall of the internal frame 2, a circuit board 4 is fixedly connected to the inner wall of the internal frame 2, a plurality of microstrip lines are connected to the outer wall of the base plate 9, and an antenna rod 3 is connected to one end of the base plate 9;

[0021] There are four antenna rods 3, and the four antenna rods 3 are arranged in a spiral shape;

[0022] The outer wall of the built-in frame 2 is clamped with an inner shell 5, and the outer wall of the inner shell 5 is provided with a clamping groove 6;

[0023] The outer wall of the inner shell 5 is clamped with the outer shell 7 through the clamping groove 6;

[0024] Four slide grooves are provided on the outer wall of the card slot 6 and the outer wall of the shell 7 , and the inner wall of the slide groove is closely connected with the outer wall of the antenna rod 3 .

[0025] It should be noted that, since the existing four-arm helical antenna generally adopts a fixed setting, it is easy to be damaged by moisture when placed outside for a long time, and its protection is low.

[0026] Specifically, in this embodiment, the scheme mainly adopts the arrangement of the antenna pole 3, the card slot 6 and the housing 7. During use, the antenna pole 3 is pulled along the use direction as needed for use. When idle, the antenna pole 3 is retracted along the connection direction between the antenna pole 3 and the slide slot, thereby achieving the purpose of storage and protection, improving the use effect of the device and providing convenience for the user.

[0027] In a further preferred embodiment of the present invention, Figure 1-4 As shown, an operating hole is formed on the outer wall of the housing 7, and a rubber block 8 is fixedly connected to the inner wall of the operating hole by adhesive.

[0028] In this embodiment, an operating hole is provided on the outer wall of the housing 7 to facilitate the connection and assembly of the antenna, wherein the inner wall of the operating hole is fixedly connected to a rubber block 8 by adhesive to achieve a better protective effect.

[0029] In a further preferred embodiment of the present invention, Figure 1-4 As shown, a plurality of connection blocks are arranged at the bottom of the built-in frame 2, a mounting plate 1 is arranged at the bottom of the connection blocks, and a rubber adhesive plate is arranged at the bottom of the mounting plate 1.

[0030] In this embodiment, a mounting plate 1 is provided at the bottom of the connecting block, and a rubber adhesive plate is provided at the bottom of the mounting plate 1, so that the antenna can be easily installed and fixed at its use position through the mounting plate 1.

[0031] It should be noted that, for the above-mentioned embodiments, for the sake of simplicity, they are all described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps may be performed in other sequences or simultaneously. Secondly, those skilled in the art should also know that the embodiments described in the specification are all preferred embodiments, and the actions and modules involved are not necessarily required by the utility model.

[0032] In the several embodiments provided in the present application, it should be understood that the disclosed devices can be implemented in other ways. For example, the device embodiments described above are merely schematic, such as the division of the above-mentioned units. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or communication connection shown or discussed can be through some interfaces, and the indirect coupling or communication connection between devices or units can be in the form of telecommunication or other forms.

[0033] The units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

[0034] The above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, rather than all embodiments. Based on these embodiments, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model. Although the utility model has been described in detail with reference to the above embodiments, ordinary technicians in this field can still combine, add, delete or make other adjustments to the features in the various embodiments of the utility model according to the circumstances without conflict, without making creative work, so as to obtain different other technical solutions that do not deviate from the concept of the utility model in essence, and these technical solutions also belong to the scope of protection of the utility model.

Claims

1. An integrated four-arm helical antenna, characterized in that: It comprises a built-in frame (2): a base plate (9) is arranged on the inner wall of the bottom of the built-in frame (2), a circuit board (4) is fixedly connected to the inner wall of the built-in frame (2), a plurality of microstrip lines are connected to the outer wall of the base plate (9), and an antenna rod (3) is connected to one end of the base plate (9); There are four antenna rods (3), and the four antenna rods (3) are arranged in a spiral shape.

2. The integrated quadrifilar helical antenna according to claim 1, characterized in that: The outer wall of the built-in frame (2) is clamped with an inner shell (5), and the outer wall of the inner shell (5) is provided with a clamping groove (6); The outer wall of the inner shell (5) is clamped with the outer shell (7) via a clamping groove (6).

3. The integrated quadrifilar helical antenna according to claim 2, characterized in that: Four sliding grooves are provided on the outer wall of the card slot (6) and the outer wall of the housing (7), and the inner wall of the sliding groove is closely connected to the outer wall of the antenna rod (3).

4. The integrated quadrifilar helical antenna according to claim 2, characterized in that: An operating hole is formed on the outer wall of the housing (7), and a rubber block (8) is fixedly connected to the inner wall of the operating hole by means of adhesive.

5. The integrated quadrifilar helical antenna according to claim 1, characterized in that: A plurality of connection blocks are arranged at the bottom of the built-in frame (2), a mounting plate (1) is arranged at the bottom of the connection block, and a rubber adhesive plate is arranged at the bottom of the mounting plate (1).

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