Antenna structure

Abstract

The utility model discloses an antenna structure, and relates to the technical field of radio monitoring direction finding. The utility model provides an antenna structure comprising an antenna main body, one end of which is provided with an accommodating groove, and the accommodating groove is internally provided with a feed driving board; at least one oscillator unit is connected with the antenna main body, each oscillator unit comprises an oscillator fixing seat, an oscillator connecting seat and an oscillator body, and the oscillator fixing seat is used for being connected with the oscillator body; the vibrator fixing seat is provided with a limiting protrusion protruding out of the containing groove, and a limiting space is formed between the limiting protrusion and the bottom wall of the containing groove. The vibrator connecting seat is located in the limiting space and connected with the feed driving plate, and the vibrator connecting seat can abut against the limiting protrusion; the oscillator connecting base can move from one side of the limiting protrusion to the other side of the limiting protrusion so that the feed driving plate can be moved out of the containing groove.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of radio monitoring direction finding, and particularly relates to an antenna structure. BACKGROUND

[0002] With the rapid development of wireless communication technology, radio spectrum resources are increasingly scarce, and problems such as illegal signal interference and unknown signal source positioning put higher requirements on radio monitoring technology. As the core component of a radio monitoring system, the performance of a direction finding antenna directly determines signal capture sensitivity, direction finding accuracy and adaptability to complex environments.

[0003] The existing antenna structure usually has a feed driving board inside, but when the feed driving board needs to be overhauled and maintained, the entire antenna structure usually needs to be disassembled, which is difficult to overhaul and maintain. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the present application is to provide an antenna structure, which aims to solve the technical problem that in the prior art, when the feed driving board needs to be overhauled and maintained, the entire antenna structure usually needs to be disassembled, which is difficult to overhaul and maintain.

[0005] To achieve the above purpose, the present application provides an antenna structure, comprising:

[0006] an antenna main body having a containing groove at one end, wherein a feed driving board is arranged in the containing groove;

[0007] a vibrator unit, at least one of which is connected to the antenna main body, wherein the vibrator unit comprises a vibrator fixing seat, a vibrator connecting seat and a vibrator body, and the vibrator fixing seat is used to connect with the vibrator body;

[0008] the vibrator fixing seat has a limiting protrusion protruding into the containing groove, and a limiting space is formed between the limiting protrusion and the bottom wall of the containing groove;

[0009] the vibrator connecting seat is located in the limiting space and connected with the feed driving board, and the vibrator connecting seat can abut against the limiting protrusion;

[0010] the vibrator connecting seat can move from one side of the limiting protrusion to the other side, so that the feed driving board can be removed from the containing groove.

[0011] Optionally, the antenna main body has a positioning column protruding from the outer wall thereof, the positioning column has a through hole, the vibrator fixing seat is connected with the positioning column, the vibrator fixing seat penetrates through the through hole, and the part of the vibrator fixing seat located in the containing groove constitutes the limiting protrusion.

[0012] Optionally, the abutment planes of the limiting protrusion and the vibrator connecting seat are wedge-shaped planes.

[0013] Optionally, the vibrator fixing seat and the vibrator body are in threaded connection, one of the vibrator fixing seat and the vibrator body is provided with external threads, and the other is provided with internal threads matched with the external threads.

[0014] Optionally, the limiting space is further provided with a mounting plate, the mounting plate is provided with a mounting groove, the extending direction of the mounting groove is the same as that of the accommodating groove, the feeding driving plate is arranged in the mounting groove, and a handle is further arranged on the feeding driving plate.

[0015] Optionally, the slot of the accommodating groove is provided with an antenna cover capable of sealing the accommodating groove, and the antenna cover is detachably connected with the antenna body.

[0016] Optionally, the outer wall of the antenna body is provided with an anti-falling clamp, the anti-falling clamp comprises a first clamp and a second clamp, the first clamp and the second clamp are detachably connected through a bolt assembly, the first clamp and / or the second clamp is / are provided with a limiting hole penetrating therethrough, one end of the vibrator body connected with the antenna body is provided with a limiting flange, and the limiting flange is arranged in the limiting hole to form a limiting structure.

[0017] Optionally, the antenna body comprises a fixing member and a first supporting arm connected with each other, an inclined supporting body is connected between the first supporting arm and the vibrator body, the fixing member is provided with the accommodating groove, the first supporting arm is provided with a cable hole communicated with the accommodating groove, a first radio frequency cable is arranged in the cable hole, and the first radio frequency cable is connected with a feeding driving plate arranged in the accommodating groove.

[0018] Optionally, the antenna body further comprises a second supporting arm, the second supporting arm is internally provided with a second radio frequency cable, one of the first supporting arm and the second supporting arm is provided with a connecting member, the two connecting members are detachably connected, one of the connecting members is provided with a tapered protrusion, the other connecting member is provided with a tapered groove matched with the tapered protrusion, the two connecting members are matched to form a connecting cavity, a connector is arranged in the connecting cavity, and the connector is connected with the first radio frequency cable and the second radio frequency cable respectively.

[0019] Optionally, the bottom wall of the connecting cavity is provided with a drain hole penetrating therethrough.

[0020] The application can achieve the following beneficial effects:

[0021] The antenna structure provided by the embodiment of the application comprises an antenna main body, a containing groove is arranged on the antenna main body, a feed driving plate is arranged in the containing groove, a vibrator connecting seat is arranged on the feed driving plate, a vibrator body is connected with the vibrator fixing seat, the vibrator connecting seat and the vibrator fixing seat abut against each other, the vibrator fixing seat can form a limiting space with the bottom wall of the containing groove, the feed driving plate is arranged in the limiting space, and the vibrator fixing seat can limit the feed driving plate; when the feed driving plate needs to be overhauled and maintained, the vibrator connecting seat is moved from one side of the vibrator fixing seat to the other side, the limiting effect of the vibrator fixing seat on the feed driving plate is released, the feed driving plate can be taken out from the containing groove, and the feed driving plate is convenient to overhaul and maintain. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 FIG. 1 is a first schematic view of the antenna structure of the embodiment of the application;

[0023] Figure 2 FIG. 2 is a second schematic view of the antenna structure of the embodiment of the application;

[0024] Figure 3 FIG. 3 is a structure schematic view of the embodiment of the application; Figure 2 FIG. 4 is an enlarged structure schematic view of the section A in FIG. 3;

[0025] Figure 4 FIG. 5 is an enlarged structure schematic view of the section C in FIG. 3; Figure 3 FIG. 6 is an enlarged structure schematic view of the section B in FIG. 3;

[0026] Figure 5 FIG. 7 is a first schematic view of the antenna structure of the embodiment of the application in use; Figure 2

[0027] FIG. 8 is a second schematic view of the antenna structure of the embodiment of the application in use. Figure 6

[0028] Figure 7

[0029] Reference signs in the drawings are as follows:

[0030] 10, antenna main body, 11, first supporting arm, 111, first radio frequency cable, 12, second supporting arm, 121, second radio frequency cable, 13, fixing piece, 20, vibrator unit, 21, vibrator body, 211, limiting flange, 22, vibrator fixing seat, 221, limiting protrusion, 23, vibrator connecting seat, 30, containing groove, 31, mounting plate, 32, feed driving plate, 33, handle, 34, antenna cover, 40, positioning column, 50, anti-falling hoop, 51, first hoop, 52, second hoop, 60, inclined supporting body, 70, connecting piece, 71, connecting cavity, 72, connector, 73, drainage hole.

[0031] ​​The object, the function characteristics and the advantages of the present application will be further explained with reference to the embodiments in combination with the drawings. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the present application will be clearly and completely described with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0033] It should be noted that all the directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present application are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture (as shown in the drawings). If the specific posture changes, the directional indications also change accordingly.

[0034] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixation" and the like should be understood in a broad sense. For example, "fixation" can be fixed connection, or detachable connection, or integral; can be mechanical connection, or electrical connection; can be direct connection, or indirect connection through an intermediate medium; can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise explicitly limited. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0035] In addition, if the present application embodiments involve "first", "second" and the like, the "first", "second" and the like are only for description purposes, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel solutions. For example, "A and / or B" includes A solution, or B solution, or A and B solution. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the fact that those skilled in the art can realize it. When the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the scope of protection required by the present application.

[0036] Embodiment 1

[0037] With reference to Figures 1-7 The first embodiment of the present application provides an antenna structure, comprising:

[0038] The antenna body 10 has a containing groove 30 at one end, and a feed driving board 32 is arranged in the containing groove 30;

[0039] The vibrator unit 20 is connected with the antenna body 10, and the vibrator unit 20 comprises a vibrator fixing seat 22, a vibrator connecting seat 23 and a vibrator body 21, the vibrator fixing seat 22 is used for connecting with the vibrator body 21;

[0040] The vibrator fixing seat 22 has a limiting protrusion 221 protruding into the containing groove 30, and a limiting space is formed between the limiting protrusion 221 and the bottom wall of the containing groove 30;

[0041] The vibrator connecting seat 23 is located in the limiting space and is connected with the feed driving board 32, and the vibrator connecting seat 23 can abut against the limiting protrusion 221;

[0042] The vibrator connecting seat 23 can move from one side of the limiting protrusion 221 to the other side, so that the feed driving board 32 can be moved out of the containing groove 30.

[0043] In the embodiment, as shown in Figure 1 , the number of the vibrator unit 20 is two, as shown in Figure 6 and Figure 7 , a plurality of antenna bodies 10 are arranged in a ring array, and adjacent antenna bodies 10 can be connected through support rods. The end of the antenna body 10 is provided with the containing groove 30, and the opening direction of the containing groove 30 is the axial direction of the antenna body 10. The feed driving board 32 is a key module for supporting the efficient operation of the antenna system, and its core function is to coordinate signal transmission, power management and system protection. The feed driving board 32 realizes signal switching of different antenna units in a multi-channel direction-finding antenna through a built-in radio frequency switch matrix. For example, in a related interferometer direction-finding system, a plurality of vertical polarization units of the antenna array need to be switched to the receiving channel according to a specific time sequence, and the feed driving board 32 ensures accurate switching of the signal path through logic control.

[0044] The feed driving plate 32 is arranged in the accommodating groove 30 of the antenna main body 10, and can be fixed in the limiting space only by the action of the vibrator fixing seat 22, or coaxial mounting holes can be arranged on the feed driving plate 32 and the vibrator fixing seat 22, and then connected by screws, or coaxial screw holes can be arranged on the feed driving plate 32 and the inner wall of the accommodating groove 30, and then connected by screws. Part of the vibrator fixing seat 22 protrudes in the accommodating groove 30, and the vibrator fixing seat 22 is arranged separately from the vibrator connecting seat 23. The vibrator connecting seat 23 is mounted on the feed driving plate 32, and when the feed driving plate 32 needs to be overhauled and maintained, the vibrator fixing seat 22 can be threadedly connected with the antenna main body 10 at this time, and then the vibrator fixing seat 22 is rotated out first, so that the vibrator fixing seat 22 is dislocated with the vibrator connecting seat 23, to release the limiting action of the vibrator fixing seat 22 on the feed driving plate 32; similarly, the limiting protrusion 221 of the vibrator fixing seat 22 can also be elastically deformed, so that an external force is applied to the feed driving plate 32 to move it outward, at this time the vibrator fixing seat 22 exerts an external force on the vibrator connecting seat 23, so that the vibrator fixing seat 22 is elastically deformed, so that the vibrator connecting seat 23 can be moved from the left side of the vibrator fixing seat 22 to the right side of the vibrator fixing seat 22, so that the feed driving plate 32 can be further taken out from the accommodating groove 30 for overhaul and maintenance.

[0045] Embodiment 2

[0046] As an optional embodiment, the embodiment provides a specific mounting structure of the vibrator body 21, which comprises that the antenna main body 10 has a positioning column 40 protruding from the outer wall thereof, the positioning column 40 has a through hole, the vibrator fixing seat 22 is connected with the positioning column 40, the vibrator fixing seat 22 penetrates the through hole, and the part of the vibrator fixing seat 22 located in the accommodating groove 30 constitutes the limiting protrusion 221.

[0047] Specifically, the positioning column 40 can be integrally formed with the antenna main body 10, and the positioning column 40 can be connected with the antenna main body 10 by welding or the like. The vibrator fixing seat 22 can be connected with the positioning column 40 by welding or bonding, and a sealing ring is arranged between the vibrator fixing seat 22 and the positioning column 40. The lower end of the vibrator fixing seat 22 extends to the accommodating groove 30 through the through hole, and the part of the vibrator fixing seat 22 located in the accommodating groove 30 is the limiting protrusion 221.

[0048] Optionally, the planes at which the limiting protrusion 221 and the vibrator connecting seat 23 abut are wedge-shaped planes.

[0049] Specifically, the contact surface of the limiting protrusion 221 and the vibrator connecting seat 23 is a wedge surface, which ensures the stability of the overlap of the limiting protrusion 221 and the vibrator connecting seat 23. The vibrator fixing seat 22 and the vibrator connecting seat 23 are made of metal material and are electrically conductive, and the mutual engagement surface is in a bevel shape, which can compensate for the machining error and assembly error of the parts, ensure the complete engagement of the engagement surface of the two parts, and reduce the contact resistance. The vibrator connecting seat 23 is completely mounted on the power supply driving plate 32 and then welded into one, thereby reducing the contact resistance. The outer surface of the vibrator fixing seat 22 is plated with gold, thereby reducing the contact resistance and improving the corrosion resistance.

[0050] Optionally, the vibrator fixing seat 22 and the vibrator body 21 are threadedly connected, one of the vibrator fixing seat 22 and the vibrator body 21 is provided with an external thread, and the other is provided with an internal thread matched with the external thread.

[0051] Specifically, the vibrator body 21 is a carrier for signal transmission and reception. In order to reduce the contact resistance between the vibrator body 21 and the antenna body 10, improve the signal quality and corrosion resistance, the contact surface is designed to be plated with gold. The vibrator body 21 is threadedly connected to the contact surface of the antenna body 10 in a threaded form, so as to achieve the purpose of signal conduction. The length of the screwing of the vibrator body 21 and the antenna body 10 ensures the requirement of the total height of the antenna. The vibrator body 21 and the antenna body 10 are designed to prevent misinsertion. The vibrator body 21 is threadedly connected to the antenna body 10 in an internal threaded form, so as to achieve the purpose of signal conduction. The contact part of the vibrator body 21 and the antenna body 10 is designed to have a sealing gasket to isolate the rainwater film from eroding the contact surface. The length of the screwing of the vibrator body 21 and the antenna body 10 ensures the requirement of the performance of the antenna. The vibrator body 21 and the antenna body 10 are both designed to prevent misinsertion.

[0052] Optionally, the limiting space is further provided with a mounting plate 31, the mounting plate 31 has a mounting groove, the extension direction of the mounting groove is the same as the extension direction of the accommodating groove 30, the power supply driving plate 32 is arranged in the mounting groove, and the power supply driving plate 32 is further provided with a handle 33.

[0053] Specifically, when the power consumption of the power supply driving plate 32 is greater than 1 W, the mounting plate 31 is designed to have a heat-conducting boss, and a heat-conducting metal radiator is embedded in the corresponding part of the long branch arm, so as to conduct heat to the local metal part of the outer surface of the first branch arm 11 for heat dissipation by using the principle of conduction heat dissipation. The extension direction of the mounting groove is the left-right direction, and the extension direction of the accommodating groove 30 is also the left-right direction. By arranging the handle 33, external force can be applied to the power supply driving plate 32 through the handle 33, so as to move the power supply driving plate 32 out of the mounting groove through the handle 33. Figure 3

[0054] Optionally, the slot of the accommodating groove 30 is provided with an antenna cover 34 capable of sealing the accommodating groove 30, and the antenna cover 34 is detachably connected with the antenna body 10.​

[0055] Specifically, the antenna cover 34 is arranged to block the accommodating groove 30 according to requirements, so as to play a protection role, keep the accommodating groove 30 in a relatively closed state, and avoid rainwater and the like from entering the accommodating groove 30.

[0056] Optionally, the outer wall of the antenna body 10 is provided with an anti-falling clamp 50, the anti-falling clamp 50 includes a first clamp 51 and a second clamp 52, the first clamp 51 and the second clamp 52 are detachably connected through a bolt assembly, the first clamp 51 and / or the second clamp 52 have a through limiting hole, and the one end of the vibrator body 21 connected with the antenna body 10 is provided with a limiting flange 211, the limiting flange 211 is located in the limiting hole to form a limiting structure.

[0057] Specifically, the first clamp 51 and the second clamp 52 can be buckled to form an annular structure, and the first clamp 51 and the second clamp 52 can be tightly clamped around the periphery of the antenna body 10 after being enclosed to form a ring shape, and the first clamp 51 and the second clamp 52 can be connected through the bolt assembly. When the antenna body 10 is provided with only one vibrator unit 20, only one limiting hole can be arranged on the first clamp 51 or the second clamp 52; when the antenna body 10 is provided with two vibrator units 20, one limiting hole is arranged on the first clamp 51 and the second clamp 52 respectively, and the limiting hole can be a stepped hole; when the anti-falling clamp 50 is installed on the antenna body 10, the vibrator body penetrates through the limiting hole, and the limiting flange 211 is arranged on the vibrator body and located in the limiting hole, so as to avoid the accidental falling of the vibrator body.

[0058] Embodiment 3

[0059] As an optional embodiment, the embodiment provides a specific structure of the antenna body 10, which includes: the antenna body 10 includes a fixed part 13 and a first supporting arm 11 connected with each other, an inclined supporting body 60 is connected between the first supporting arm 11 and the vibrator body 21, the fixed part 13 has an accommodating groove 30, the first supporting arm 11 has a cable hole communicated with the accommodating groove 30, a first radio frequency cable 111 is arranged in the cable hole, and the first radio frequency cable 111 is connected with a feed driving plate 32 arranged in the accommodating groove 30.

[0060] Specifically, the inclined supporting body 60 is arranged between the first supporting arm 11 and the vibrator body 21, so as to improve the structural stability of the vibrator body 21. After the combination of the inclined supporting body 60, a triangular structure is formed in the vertical direction, the rigidity of the whole antenna is improved, and the wind resistance is improved.

[0061] Optionally, in order to realize wireless monitoring and receiving accuracy, a plurality of antennas are combined in a circular array, and the antennas are connected through horizontal supporting structures to form a chain (for example, the horizontal supporting structures are connected through a plurality of horizontal supporting arms). Figure 6 and7 The second branch 12 is designed to support the second branch of the antenna, and the effect of the gravity of the antenna is offset. The design of the horizontal support and the downward inclined support in the antenna array can improve the rigidity of the antenna array and the wind resistance, so as to achieve the purpose of improving the direction finding accuracy of the antenna array. The horizontal support and the downward inclined support are separate structural members, which can be separately packaged, shipped and installed.

[0062] Optionally, the antenna body 10 further comprises a second branch 12, the second branch 12 is internally provided with a second radio frequency cable 121, and the first branch 11 and the second branch 12 are respectively provided with a connecting piece 70. The two connecting pieces 70 are detachably connected, one of the connecting pieces 70 has a tapered protrusion, and the other connecting piece 70 has a tapered groove matched with the tapered protrusion. The two connecting pieces 70 are matched to form a connecting cavity 71, and a connector 72 is arranged in the connecting cavity 71. The connector 72 is connected with the first radio frequency cable 111 and the second radio frequency cable 121 respectively.

[0063] Optionally, the bottom wall of the connecting cavity 71 is provided with a drain hole 73.

[0064] Specifically, by arranging the second branch 12, the length of the first branch 11 can be extended according to the actual use. The first branch 11 and the second branch 12 are connected by two connecting pieces 70. One of the two connecting pieces 70 is provided with a tapered protrusion, and the other connecting piece 70 is provided with a tapered groove matched with the tapered protrusion. By arranging the connector 72, the radio frequency cables on the first branch 11 and the second branch 12 can be connected.

[0065] The first branch 11 and the second branch 12 of the antenna body 10 are connected by a pair of connectors 72. By combining the second branch 12, the installation requirements under large size conditions can be realized. The first radio frequency cable 111 is embedded in the first branch 11, and the second radio frequency cable 121 is embedded in the second branch 12. The first radio frequency cable 111 is connected with the internal connector 72 and the input / output connector 72 respectively. The first branch 11 and the second branch 12 are designed in a conical shaft hole matching mode, so as to achieve the blind insertion matching precision of the connector 72, improve the overall rigidity of the antenna branch, and enhance the wind resistance. The first branch 11 and the second branch 12 of the antenna body 10 have a design to prevent misinsertion, and can only be blindly inserted in one direction, but cannot be blindly inserted in any direction. A sealing ring is arranged on the joint surface of the first branch 11 and the second branch 12 of the antenna body 10 to seal rainwater. A drain hole 73 is arranged at the bottom of the short branch to prevent condensation.

[0066] The antenna cover 34 is engaged with the first arm 11, the vibrator fixing seat 22 is engaged with the first arm 11, the antenna internal connector 72 is engaged with the first arm 11, and the like, and a sealing ring is designed at the engagement position. The first arm 11 is made of non-metal material, so that the vibrator body 21 above and below the first arm 11 is electrically isolated and cannot be directly connected.

[0067] The first arm 11 and the antenna cover 34 are made of non-metal material to improve the three-proofing capability. The outer surface of the vibrator fixing seat 22 is plated with gold, and the inner surface is plated with nickel. The internal metal structure of the vibrator connecting seat 23 is plated with nickel. The surface of the feeding driving plate 32 is sprayed with three-proofing paint. The antenna internal connector 72 is selected to have excellent corrosion resistance. The related joint surfaces are designed with sealing rings. The antenna cover 34 is evenly coated with sealing glue after being assembled. All the mounting screws are made of stainless steel 304 or 316. Except the gold-plated outer surface and the outer surface of the antenna internal connector 72, the outer surfaces of the remaining structural parts are sprayed with paint to improve the appearance and corrosion resistance.

[0068] The second arm 12 is partially designed to realize the large size condition and large antenna aperture monitoring direction requirement. The second arm 12 is essentially an extension of the first arm 11, but in order to reduce the antenna transportation and packaging size, facilitate the antenna transportation through the building elevator, the second arm 12 is designed to be detachable.

[0069] The above is only the preferred embodiment of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation using the content of the present application specification and drawings, or direct or indirect application in other related technical fields, is also included in the patent protection scope of the present application.

Claims

1. An antenna structure, characterized by The application relates to an antenna body with a containing groove at one end, wherein a feed driving plate is arranged in the containing groove. At least one vibrator unit is connected with the antenna body, and the vibrator unit comprises a vibrator fixing seat, a vibrator connecting seat and a vibrator body. The vibrator fixing seat has a limiting protrusion protruding into the containing groove, and a limiting space is formed between the limiting protrusion and the bottom wall of the containing groove. The vibrator connecting seat is arranged in the limiting space and connected with the feed driving plate, and the vibrator connecting seat can abut against the limiting protrusion. The vibrator connecting seat can move from one side of the limiting protrusion to the other side, so that the feed driving plate can be moved out of the containing groove. The antenna body has a positioning column protruding from the outer wall, the positioning column has a through hole, the vibrator fixing seat is connected with the positioning column, the vibrator fixing seat penetrates through the through hole, and the part of the vibrator fixing seat arranged in the containing groove forms the limiting protrusion.

2. The antenna structure of claim 1, wherein, The planes where the limiting protrusion and the vibrator connecting seat abut against each other are wedge-shaped planes.

3. The antenna structure of claim 1, wherein, The vibrator fixing seat and the vibrator body are in threaded connection, one of the vibrator fixing seat and the vibrator body is provided with external threads, and the other is provided with internal threads matched with the external threads.

4. The antenna structure of claim 1, wherein, The limiting space is further provided with a mounting plate, the mounting plate has a mounting groove, the extending direction of the mounting groove is the same as that of the containing groove, the feed driving plate is arranged in the mounting groove, and a handle is further arranged on the feed driving plate.

5. The antenna structure of claim 1, wherein, The slot of the containing groove is provided with an antenna cover capable of sealing the containing groove, and the antenna cover is detachably connected with the antenna body.

6. The antenna structure of claim 1, wherein, The outer wall of the antenna body is provided with an anti-falling clamp, the anti-falling clamp comprises a first clamp and a second clamp, the first clamp and the second clamp are detachably connected through a bolt assembly, the first clamp and / or the second clamp has a limiting hole penetrating through, one end of the vibrator body connected with the antenna body is provided with a limiting flange, and the limiting flange is arranged in the limiting hole to form a limiting structure.

7. The antenna structure of claim 1, wherein, The antenna body comprises a fixing member and a first supporting arm connected with each other, an inclined supporting body is connected between the first supporting arm and the vibrator body, the fixing member has the containing groove, the first supporting arm has a cable hole communicated with the containing groove, a first radio frequency cable is arranged in the cable hole, and the first radio frequency cable is connected with the feed driving plate arranged in the containing groove.

8. The antenna structure of claim 1, wherein, The antenna body further comprises a second supporting arm, a second radio frequency cable is arranged in the second supporting arm, one connecting member is arranged on the first supporting arm and the second supporting arm respectively, the two connecting members are detachably connected, one of the connecting members has a tapered protrusion, the other connecting member has a tapered groove matched with the tapered protrusion, the two connecting members are matched to form a connecting cavity, a connector is arranged in the connecting cavity, and the connector is connected with the first radio frequency cable and the second radio frequency cable respectively.

9. The antenna structure of claim 8, wherein, The bottom wall of the connecting cavity is provided with a drain hole penetrating through.

10. The antenna structure of claim 9, wherein, ​

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