A multifunctional enhanced antenna

Abstract

The invention discloses a multifunctional enhanced antenna, comprising a spherical shell and a mounting frame, wherein the spherical shell is fixedly mounted on the mounting frame, two fixed rods are fixedly mounted on the mounting frame, a Luneburg lens is mounted in the spherical shell, the fixed rods are respectively fixedly connected to the Luneburg lenses, a rotating sleeve is rotatably sleeved on the outer sides of the fixed rods, a semi-ring gear is rotatably mounted in the spherical shell, two ends of the semi-ring gear are respectively fixedly connected to one end of the rotating sleeve located in the spherical shell, the rotating sleeve is connected to a circumferential drive, the semi-ring gear is slidably sleeved with a moving frame, the moving frame is rotatably mounted with a driving gear meshing with the semi-ring gear, the driving gear is connected to an arc drive, and a feed source is fixedly mounted on the moving frame. The invention arranges the semi-ring gear to move around the Luneburg lens, and the moving frame moves semi-circularly around the Luneburg lens on the semi-ring gear, so that the feed source can point to more positions of the Luneburg lens, thereby increasing the irradiable positions of the signal beam.

Description

Technical Field

[0001] The invention belongs to the technical field of lens antennas and relates to a multifunctional enhanced antenna. Background Art

[0002] The lens antenna is an antenna that uses a Luneburg lens to provide directional gain to the feed source. The Luneburg lens is usually spherical, and the feed source signal is irradiated at the center of the lens. After the signal passes through the lens, it forms a signal beam pointing in a specified direction. By changing the position of the feed source in the lens antenna, the signal beam can be pointed in different directions.

[0003] A Luneburg lens antenna with a movable feed source is disclosed in the patent document with publication number CN110380229A. In this technical solution, the feed source is installed at the intersection of two cross-arranged semicircular ring gears, and the feed source position is fixed by the two ring gears and directed to the center of the Luneburg lens.

[0004] However, in this technical solution, the feed source can only move within a half spherical surface of the Luneburg lens, so that the illumination direction of the lens antenna is limited and the functionality is poor. Summary of the invention

[0005] In view of the above problems, the present invention proposes a multifunctional enhanced antenna, which well solves the problems in the prior art.

[0006] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0007] A multifunctional enhanced antenna, comprising:

[0008] A spherical shell, the spherical shell comprising two hemispherical shells fixedly connected;

[0009] A mounting frame, on which the spherical shell is fixedly mounted;

[0010] A fixing rod, two of which are fixedly mounted on the mounting frame, and the fixing rods extend from two ends of the spherical shell into the spherical shell along one diameter of the spherical shell;

[0011] Luneburg lenses, the Luneburg lenses are installed in the spherical shell, and the fixing rods are respectively fixedly connected to the Luneburg lenses;

[0012] A rotating sleeve, the outer side of the fixed rod is rotatably sleeved with the rotating sleeve, and the rotating sleeve passes through the spherical shell;

[0013] A semi-ring rack, both ends of which are fixedly connected to one end of the rotating sleeve located in the spherical shell, and the semi-ring rack is located between the spherical shell and the Luneburg lens;

[0014] A circumferential drive, the circumferential drive is fixedly mounted on the mounting frame, and the circumferential drive output end is connected to the rotating sleeve;

[0015] A moving frame, the moving frame is slidably sleeved on the semi-ring rack, the moving frame is rotatably mounted with a driving gear meshing with the semi-ring rack, and the driving gear is connected with an arc drive;

[0016] A feed source is fixedly mounted on the mobile frame.

[0017] Optionally, a centripetal frame is further included, the centripetal frame includes a spherical panel, the outer side of the spherical panel is in contact with the inner side of the spherical shell, a fixing frame is installed on the inner side of the spherical panel, and the feed source is fixedly connected to the fixing frame.

[0018] Optionally, a plurality of accommodating grooves are provided on the outer side of the ball panel, and displacement balls are rotatably installed in the accommodating grooves.

[0019] Optionally, the rotating sleeve away from the circumferential drive is connected to a positioning sensor, and the positioning sensor is an angle sensor.

[0020] Optionally, a wire groove is opened on the outer side of the semi-ring rack, and a wire fixing chain is installed in the wire groove. The first end of the wire fixing chain is fixedly connected to the rotating sleeve, and the second end passes through the moving frame and is folded back and fixedly connected to the moving frame. The arc drive and feed cable is fixedly installed on the wire fixing chain.

[0021] Optionally, a wire pressing wheel is rotatably mounted on the side of the movable frame that is folded back toward the wire fixing chain, and the wire pressing wheel is in contact with the outer side surface of the semi-ring rack.

[0022] Optionally, the arcuate driving and feeding cable passes through the rotating sleeve, and the portion of the arcuate driving and feeding cable located inside the rotating sleeve is spring-shaped.

[0023] Compared with the prior art, the present invention has the following beneficial effects:

[0024] 1. By setting a semi-ring rack to move around the Luneburg lens, the mobile frame moves on the semi-ring rack around the Luneburg lens in a semicircle, so that the feed source can be directed to more positions of the Luneburg lens, thereby increasing the irradiable positions of the signal beam and improving the functionality of the lens antenna.

[0025] 2. When in use, the feed should point to the center of the Luneburg lens. By setting a centripetal frame, the centripetal frame fits the spherical shell, the centripetal frame, the spherical shell and the center of the Luneburg lens coincide, and the feed is fixedly connected to the fixed frame. During the movement of the feed, the centripetal frame follows the movement, so that the feed always points to the center of the Luneburg lens, thereby improving the accuracy of the feed pointing.

[0026] 3. By setting a calibration sensor, the rotation angle is fed back during the rotation of the semi-ring rack, which facilitates the adjustment of the position of the semi-ring rack and the calibration of the starting position, further improving the accuracy of the feed source pointing. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0028] Figure 2 is a schematic structural diagram of a circumferential driving part of an embodiment of the present invention;

[0029] Figure 3 is a schematic structural diagram of a mobile frame part of an embodiment of the present invention;

[0030] Figure 4 2 is a schematic structural diagram of a centripetal frame movable frame portion of an embodiment of the present invention;

[0031] Figure 5 It is a schematic structural diagram of the calibration sensor part of an embodiment of the present invention.

[0032] Reference numerals: 1, spherical shell; 11, hemispherical shell;

[0033] 2. Mounting frame;

[0034] 3. Luneburg lens; 31. Fixing rod;

[0035] 4. Semi-ring gear rail; 41. Rotating sleeve; 42. Circumferential drive; 421. Position sensor; 43. Wire groove; 44. Wire fixing chain; 441. Wire pressing wheel;

[0036] 51. Mobile rack;

[0037] 6. Feed source;

[0038] 7. Centripetal frame; 71. Ball panel; 72. Fixed frame; 73. Shift ball. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] See also Figure 1, is a multifunctional enhanced antenna disclosed in an embodiment of the present invention, comprising a spherical shell 1 and a mounting frame 2, the spherical shell 1 comprising two hemispherical shells 11 fixedly connected, the spherical shell 1 being fixedly mounted on the mounting frame 2, the mounting frame 2 being fixedly mounted with two fixing rods 31, the fixing rods 31 extending from both ends of the spherical shell 1 into the spherical shell 1 along one of the diameters of the spherical shell 1, a Luneburg lens 3 being mounted in the spherical shell 1, the fixing rods 31 being fixedly connected to the Luneburg lens 3, a rotating sleeve 41 being rotatably sleeved on the outer side of the fixing rods 31, the rotating sleeve 41 passing through the spherical shell 1, a semi-ring rack 4 being rotatably mounted in the spherical shell 1, the two ends of the semi-ring rack 4 being fixedly connected to one end of the rotating sleeve 41 located in the spherical shell 1, the semi-ring rack 4 being located between the spherical shell 1 and the Luneburg lens 3, please refer to Figure 2 The mounting frame 2 is fixedly mounted with a circumferential drive 42, and the output end of the circumferential drive 42 is connected to the rotating sleeve 41, see Figure 3 The semi-ring rack 4 is slidably sleeved with a moving frame 51 , and the moving frame 51 is rotatably mounted with a driving gear that meshes with the semi-ring rack 4 , the driving gear is connected with an arc drive, and a feed source 6 is fixedly mounted on the moving frame 51 .

[0041] Specifically, the feed source 6 is installed on the moving frame 51, the moving frame 51 slides along the semi-ring rack 4, the semi-ring rack 4 rotates in the hemispherical shell 11, the Luneburg lens 3 is installed in the spherical shell 1, and the semi-ring rack 4 drives the moving frame 51 to rotate around the Luneburg lens 3.

[0042] In this way, the semi-annular rack 4 can move around the Luneburg lens 3, and the movable frame 51 can move semi-circularly around the Luneburg lens 3 on the semi-annular rack 4, so that the feed source 6 can point to more positions of the Luneburg lens 3, increase the irradiable positions of the signal beam, and improve the functionality of the lens antenna.

[0043] In some feasible embodiments, the hemispherical shell 11 is a hemispherical rotating shell, and semi-cylindrical mounting tubes are provided at both ends of the hemispherical shell 11. Connecting ears with through holes are provided on the outer side of the hemispherical shell 11. The two hemispherical shells 11 are fixedly connected by bolts, and the fixing rod 31 is a T-shaped rotating member. One end of the fixing rod 31 is fixedly installed on the mounting frame 2. The Luneburg lens 3 is clamped between the two fixing rods 31, and the spherical shell 1 and the Luneburg lens 3 have the same center.

[0044] The semi-annular rack 4 is a semi-annular gear ring with meshing teeth arranged on the inner side. The rotating sleeve 41 is fixedly connected to both ends of the semi-annular rack 4. The rotating sleeve 41 is located in the mounting tube. The fixed rod 31 is located in the rotating sleeve 41. The rotating sleeve 41 is axially fixed in the mounting tube through a bearing. The mounting tube is fixedly connected to the mounting frame 2. One end of the rotating sleeve 41 is fixedly connected to a gear set. The gear set is connected to a circumferential drive 42. The circumferential drive 42 is a driving motor. The circumferential drive 42 is fixedly mounted on the mounting frame 2. The mounting frame 2 can be set to a rectangular mounting plate shape. The mounting frames 2 are arranged at both ends of the hemispherical shell 11. Through the above arrangement, the semi-annular rack 4 can move around the Luneburg lens 3, thereby increasing the irradiable position of the signal beam. It should be noted that the semi-annular rack 4 moves around the Luneburg lens 3. When setting the line, an electric slip ring should be used for connection to reduce the possibility of cable winding, or the rotation angle of the semi-annular rack 4 should be controlled to make it a reciprocating rotation with a maximum rotation angle of 360°.

[0045] The inner side of the semi-annular rack 4 is meshed with a driving gear, and the driving gear is connected to the arc drive, which is a driving motor. The moving frame 51 can be set to an arc tube shape, which is sleeved on the outer side of the semi-annular rack 4. The driving gear is rotatably connected to the moving frame 51, and the arc drive is fixedly connected to the moving frame 51. The feed source 6 is installed on one side of the moving frame 51. It should be noted that the feed source 6 should be adjusted to illuminate the center of the Luneburg lens 3 during installation.

[0046] As a specific implementation of the multifunctional enhanced antenna provided by the invention, please refer to Figure 1 and Figure 4 , and also includes a centripetal frame 7, the centripetal frame 7 includes a spherical panel 71, the outer side of the spherical panel 71 is in contact with the inner side of the spherical shell 1, a fixing frame 72 is installed on the inner side of the spherical panel 71, and the feed source 6 is fixedly connected to the fixing frame 72.

[0047] In general, when in use, the feed source 6 should point to the center of the Luneburg lens 3. By setting a centripetal frame 7, the centripetal frame 7 is fitted with the spherical shell 1, the centripetal frame 7, the spherical shell 1 and the center of the Luneburg lens 3 coincide with each other, and the feed source 6 is fixedly connected to the fixed frame 72. During the movement of the feed source 6, the centripetal frame 7 follows the movement, so that the feed source 6 always points to the center of the Luneburg lens 3, thereby improving the accuracy of the pointing of the feed source 6.

[0048] Furthermore, a plurality of receiving grooves are formed on the outer side of the ball panel 71, and the displacement balls 73 are rotatably installed in the receiving grooves.

[0049] It should be understood that by providing the displacement ball 73 , the friction between the centripetal frame 7 and the spherical shell 1 is reduced, the movement of the centripetal frame 7 is facilitated, and the accuracy of the pointing of the feed source 6 is further improved.

[0050] In some feasible embodiments, the spherical panel 71 is a part of a sphere, the spherical panel 71 is circular, a fixing frame 72 is fixedly installed at the center of the spherical panel 71, the fixing frame 72 is a circular tube, the feed source 6 is connected to the connecting tube, and in order to reduce the passability of the centripetal frame 7 through the joint of the hemispherical shell 11, the feed source 6 is slidably connected to the connecting tube, and an obstacle avoidance spring is installed in the connecting tube.

[0051] It should be understood that the larger the size of the spherical panel 71, the greater the help it provides to the accuracy of the pointing of the feed source 6. When the size of the spherical panel 71 is large, avoidance grooves can be opened on both sides of the spherical panel 71 opposite the rotating sleeve 41 so that the moving space of the feed source 6 is not restricted by the spherical panel 71.

[0052] As another specific implementation of the multifunctional enhanced antenna provided by the invention, please refer to Figure 1 and Figure 5 The rotating sleeve 41 away from the circumferential drive 42 is connected to a positioning sensor 421, which is an angle sensor.

[0053] It should be understood that by providing the calibration sensor 421, the rotation angle is fed back during the rotation of the semi-annular rack 4, which facilitates the adjustment of the position of the semi-annular rack 4 and the calibration of the starting position, further improving the accuracy of the pointing of the feed source 6.

[0054] In some feasible embodiments, the rotating sleeve 41 away from the circumferential drive 42 is fixedly connected to a gear set, the alignment sensor 421 is connected to the gear set, and the alignment sensor 421 is fixedly connected to the mounting frame 2 .

[0055] As another specific implementation of the multifunctional enhanced antenna provided by the invention, please refer to Figure 3 A wire groove 43 is opened on the outer side of the semi-ring rack 4, and a wire fixing chain 44 is installed in the wire groove 43. The first end of the wire fixing chain 44 is fixedly connected to the rotating sleeve 41, and the second end passes through the moving frame 51 and is folded back and fixedly connected to the moving frame 51. The arc driving and feed source 6 cables are fixedly installed on the wire fixing chain 44.

[0056] In combination with specific usage scenarios, the mobile frame 51 makes a reciprocating semicircular movement on the semi-circular rack 4. The arc drive and the feed source 6 both need to be powered and signal transmitted through cables. A fixed line chain 44 is set to bind the cable to the fixed line chain 44. When the mobile frame 51 moves, the fixed line chain 44 follows the movement. The fixed line chain 44 supports the cable to keep the cable on a plane parallel to the sliding plane of the mobile frame 51, reducing the possibility of damage to the cable caused by collision with the mobile frame 51. A cable groove 43 is set. When the mobile frame 51 moves, the fixed line chain 44 is pressed into the cable groove 43, reducing the impact on the movement of the mobile frame 51 and reducing the installation space required for the fixed line chain 44.

[0057] In some feasible embodiments, the fixed-line chain 44 can be selected as a chain trough.

[0058] Furthermore, a wire pressing wheel 441 is rotatably mounted on the side of the movable frame 51 that is folded back toward the wire fixing chain 44 , and the wire pressing wheel 441 is in contact with the outer side surface of the semi-ring rack 4 .

[0059] It should be understood that in order to reduce the installation space required for the fixed line chain 44, the fixed line chain 44 passes through the movable frame 51 and then is folded back and fixedly connected to the movable frame 51. When the movable frame 51 moves, the fixed line chain 44 needs to be pressed into the wire groove 43. The wire pressing wheel 441 is provided to facilitate pressing the fixed line chain 44 into the wire groove 43.

[0060] Furthermore, the arc driving and feed source 6 cable passes through the rotating sleeve 41, and the portion of the arc driving and feed source 6 cable located inside the rotating sleeve 41 is spring-shaped.

[0061] It should be understood that by providing a spring-shaped cable, the cable is given a larger movement and rotation margin, thereby reducing the possibility of pulling on the cable.

[0062] In some feasible embodiments, the fixed rod 31 is located in the rotating sleeve 41, and the cable is installed around the fixed rod 31. The two ends of the cable located in the rotating sleeve 41 are respectively fixedly connected to the rotating sleeve 41 and the mounting frame 2. When the rotating sleeve 41 rotates, the spring cable prevents the cable from being pulled too much.

[0063] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A multifunctional enhanced antenna, characterized in that: include: A spherical shell, the spherical shell comprising two hemispherical shells fixedly connected; A mounting frame, on which the spherical shell is fixedly mounted; A fixing rod, two of which are fixedly mounted on the mounting frame, and the fixing rods extend from two ends of the spherical shell into the spherical shell along one diameter of the spherical shell; Luneburg lenses, the Luneburg lenses are installed in the spherical shell, and the fixing rods are respectively fixedly connected to the Luneburg lenses; A rotating sleeve, the outer side of the fixed rod is rotatably sleeved with the rotating sleeve, and the rotating sleeve passes through the spherical shell; A semi-ring rack, both ends of which are fixedly connected to one end of the rotating sleeve located in the spherical shell, and the semi-ring rack is located between the spherical shell and the Luneburg lens; A circumferential drive, the circumferential drive is fixedly mounted on the mounting frame, and the circumferential drive output end is connected to the rotating sleeve; A moving frame, the moving frame is slidably sleeved on the semi-ring rack, the moving frame is rotatably mounted with a driving gear meshing with the semi-ring rack, and the driving gear is connected with an arc drive; A feed source is fixedly mounted on the mobile frame.

2. The multifunctional enhanced antenna according to claim 1, characterized in that: It also includes a centripetal frame, which includes a spherical panel. The outer side of the spherical panel fits the inner side of the spherical shell. A fixing frame is installed on the inner side of the spherical panel, and the feed source is fixedly connected to the fixing frame.

3. A multifunctional enhanced antenna according to claim 2, characterized in that: A plurality of accommodating grooves are arranged on the outer side of the ball panel, and displacement balls are rotatably installed in the accommodating grooves.

4. The multifunctional enhanced antenna according to claim 1, characterized in that: The rotating sleeve away from the circumferential drive is connected to a positioning sensor, and the positioning sensor is an angle sensor.

5. The multifunctional enhanced antenna according to claim 1, characterized in that: A wire groove is provided on the outer side of the semi-ring rack, and a wire fixing chain is installed in the wire groove. The first end of the wire fixing chain is fixedly connected to the rotating sleeve, and the second end passes through the moving frame and then is folded back and fixedly connected to the moving frame. The arc driving and feeding cables are fixedly installed on the wire fixing chain.

6. The multifunctional enhanced antenna according to claim 5, characterized in that: A wire pressing wheel is rotatably mounted on the side of the movable frame that is folded back toward the wire fixing chain, and the wire pressing wheel is in contact with the outer side surface of the semi-ring rack.

7. The multifunctional enhanced antenna according to claim 5, characterized in that: The arc-direction driving and feeding cable passes through the rotating sleeve, and the portion of the arc-direction driving and feeding cable located inside the rotating sleeve is spring-shaped.

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