Antenna device
By using the first driver to drive the first reflector to swing and expand the reflection angle range, the problem of signal coverage incompleteness caused by the height drop between the base station and the antenna device is solved, and wider signal coverage and higher positioning accuracy are achieved.
Patent Information
- Application Number
- CN202311284540.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2023-09-28
- Publication Date
- 2025-03-28
AI Technical Summary
When there is a large height drop between the base station and the antenna device, the feed source may not be able to receive/transmit antenna signals, resulting in incomplete signal coverage.
An antenna device is designed, which drives the first reflector to swing about the swing axis through the first driver, so that the first reflector can swing to different postures, thereby reflecting the antenna signal emitted by the feed source to various directions and expanding the reflection angle range.
When there is a large height drop between the base station and the antenna equipment, by expanding the reflection angle range, the feeder can receive/transmit antenna signals, and improve signal coverage and positioning accuracy.
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Figure CN119726119A_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of antenna technology, and in particular to an antenna device. Background Art
[0002] The relevant antenna equipment is driven by a driver to rotate the feed source, so that the feed source transmits antenna signals in all directions, and then detects the signal strength in each direction. When the antenna device locks the direction with the strongest signal, it will control the driver to stop driving, so that the feed source faces the direction with the strongest signal. However, the antenna device can detect signal strength in a limited number of directions. When there is a large height difference between the base station and the antenna device, the feed source may not be able to receive / transmit antenna signals. Summary of the invention
[0003] In order to solve the above problems existing in the prior art, the present application provides an antenna device, the antenna device comprising:
[0004] Feed, used to transmit antenna signals in a specific direction;
[0005] A first reflector, located at one side of the feed source, the first reflector having a reflecting surface for reflecting antenna signals; and
[0006] The first driver is connected to the first reflector and is used to drive the first reflector to swing around a swing axis, wherein the swing axis is parallel to the reflecting surface.
[0007] The antenna device provided in the embodiment of the present application drives the first reflector to swing around the swing axis through the first driver, so that the first reflector can swing to different postures to reflect the antenna signal emitted by the feed source to all directions, thereby expanding the reflection angle range of the first reflector to the antenna signal, so that when there is a large height difference between the base station and the antenna device, the feed source can also receive / transmit antenna signals.
[0008] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present application. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.
[0010] Figure 1 is a schematic diagram of the structure of an antenna device provided in some embodiments of the present application;
[0011] Figure 2 yes Figure 1A schematic diagram of the exploded structure of the antenna device in the embodiment;
[0012] Figure 3 is a structural schematic diagram of a transceiver mechanism provided in some embodiments of the present application;
[0013] Figure 4 is a schematic structural diagram of a motion reflection mechanism provided in some embodiments of the present application;
[0014] Figure 5 is a schematic diagram of the signal transmission principle of an antenna device in a first state provided by some embodiments of the present application;
[0015] Figure 6 yes Figure 5 A schematic diagram of the signal transmission principle of the antenna device in the embodiment in the second state;
[0016] Figure 7 yes Figure 5 A schematic diagram of the signal transmission principle of the antenna device in the embodiment in the third state;
[0017] Figure 8 is a schematic diagram of the exploded structure of a signal transceiver provided in some embodiments of the present application;
[0018] Fig. 9 is a schematic structural diagram of a motion reflection mechanism provided in some embodiments of the present application;
[0019] Fig.10 yes Fig. 9 A schematic diagram of the exploded structure of the motion reflection mechanism in the embodiment;
[0020] Fig.11 yes Fig. 9 A partial structural diagram of a motion reflection mechanism in an embodiment;
[0021] Fig.12 It is a schematic diagram of the signal transmission principle of the antenna device in the fourth state provided in some embodiments of the present application.
[0022] Description of reference numerals:
[0023] 10. Antenna device, 11. Host, 12. Signal transceiver, 100. Shell, 101. Accommodation cavity, 102. Window, 110. Wire, 120. Main body, 130. Cover, 200. Transceiver mechanism, 210. Lead, 220. Feed source, 230. Second reflector, 231. Parabola, 300. Motion reflection mechanism, 301. Swing axis, 302. First focus, 303. Second focus, 304. Third focus, 305. Rotation axis, 310, first reflector, 311, reflecting surface, 312, through-hole, 3101, reflecting plate, 3102, second bracket, 320, first driver, 330, first bracket, 3301, boss, 340, third reflector, 341, hyperbolic surface, 350, supporting member, 360, control line, 370, winding member, 371, winding portion, 3701, wire hole, 372, stop portion, 380, second driver, 20, base station. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. It will be appreciated that the specific embodiments described herein are only used to explain the present application, rather than to limit the present application. It should also be noted that, for ease of description, only some but not all structures related to the present application are shown in the drawings. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the art without making creative work are within the scope of protection of the present application.
[0025] Reference to "embodiments" in an application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the 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.
[0026] The present application provides an antenna device that can be used to transmit antenna signals to an electronic device or receive signals from an electronic device. As used herein, "electronic device" includes but is not limited to a device that is configured to receive / send communication signals via a wired line connection (such as via a public switched telephone network (PSTN), a digital subscriber line (DSL), a digital cable, a direct cable connection, and / or another data connection / network) and / or via a wireless interface (for example, for a cellular network, a wireless local area network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, etc., and / or another communication terminal). The following mainly takes a base station as an example of an electronic device for explanation.
[0027] See also Figure 1 , Figure 1 1 is a schematic diagram of the structure of an antenna device provided in some embodiments of the present application. In some embodiments, the antenna device 10 includes a host 11 and a signal transceiver 12. The signal transceiver 12 can be set on the host 11 and electrically connected to the host 11. The host 11 can be used to power the signal transceiver 12 and to control the signal transceiver 12 to receive / transmit signals.
[0028] The signal transceiver device 12 includes a shell 100, and the shell 100 is surrounded to form a receiving cavity 101. The electronic components of the signal transceiver device 12 can be accommodated in the receiving cavity 101. The peripheral side of the shell 100 can be provided with a plurality of windows 102 connected to the receiving cavity 101 to improve the signal receiving / transmitting efficiency. The shell 100 can be set on the host 11, and the bottom of the shell 100 is connected to the top of the host 11, that is, the host 11 carries the shell 100 and the electronic components in the receiving cavity 101, so that the signal transceiver device 12 can be formed into a whole with the host 11 for easy operation and transportation, and the host 11 will not block the signal received or transmitted by the signal transceiver device 12.
[0029] Of course, the relative positions of the host 11 and the signal transceiver 12 are not limited thereto. For example, the host 11 may be connected to the side of the shell 100. For another example, the host 11 may be spaced apart from the shell 100 and electrically connected to the electronic devices in the accommodating cavity 101 via electronic wires.
[0030] It should be noted that the terms "including" and "having" and any variations thereof in this application are intended to cover non-exclusive inclusions. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, methods, products or devices.
[0031] Please refer to Figure 1 and Figure 2 , Figure 2 yes Figure 1Schematic diagram of the exploded structure of the antenna device in the embodiment. The signal transceiver 12 of the antenna device 10 may include a transceiver mechanism 200 and a motion reflection mechanism 300. The transceiver mechanism 200 is used to transmit or receive signals. The motion reflection mechanism 300 includes a first reflector 310, and the first reflector 310 has a reflection surface 311 for reflecting signals. The reflection surface 311 can be the surface of the first reflector 310 facing the transceiver mechanism 200, and the "facing" includes but is not limited to facing the transceiver mechanism 200, but can also be at a certain angle to the transceiver mechanism 200. The first reflector 310 of the motion reflection mechanism 300 can change its posture through movement, such as swinging, rotating, etc., to reflect the signal to different directions. The host 11 is electrically connected to the transceiver mechanism 200 through the wire 110, thereby supplying power to the transceiver mechanism 200 and controlling the transceiver mechanism 200 to transmit or receive signals.
[0032] The transceiver mechanism 200 includes a lead member 210, and the wire 110 connected to the host 11 can be installed in the lead member 210, and then electrically connected to the electronic device on one side of the lead member 210. The wire 110 can include a power line and a radio frequency line. A plurality of buckles for limiting the wire 110 can be provided on the outer surface of the housing 100, and the wire 110 is clamped in the buckle and passes through a wall of the housing 100 to connect the transceiver mechanism 200.
[0033] The transceiver mechanism 200 and the motion reflection mechanism 300 are accommodated in the receiving cavity 101. The transceiver mechanism 200 can be connected to the top of the housing 100; the motion reflection mechanism 300 is arranged at a distance from the transceiver mechanism 200 and can be connected to the bottom of the housing 100. The housing 100 may include a main body 120 and a cover body 130, and the cover body 130 is covered on the top of the main body 120 and connected to the cover body 130. The main body 120 is provided with a window 102 for signal passing. The top of the main body 120 is formed with an opening for loading the motion reflection mechanism 300.
[0034] It should be understood that the shell 100 of the embodiment of the present application is not limited to the above structure. For example, the opening of the shell 100 for loading the motion reflection mechanism 300 can be set at the bottom end of the shell 100.
[0035] Please also read Figure 3 and Figure 4 , Figure 3 is a schematic diagram of the structure of the transceiver mechanism provided in some embodiments of the present application, Figure 42 is a schematic diagram of the structure of the motion reflection mechanism provided in some embodiments of the present application. In some embodiments, the transceiver mechanism 200 includes a feed source 220 and a second reflector 230. The feed source 220 can be used to transmit antenna signals in a specific direction, and can also be used to receive signals. The second reflector 230 is a parabolic reflector, and the surface of the second reflector 230 facing the first reflector 310 is a parabola 231, and the feed source 220 is arranged on the parabola 231 of the second reflector 230.
[0036] The feed source 220 and the host 11 are connected via a wire 110. The host 11 can control the feed source 220 to transmit antenna signals via the wire 110. The lead member 210 and the feed source 220 are respectively arranged on opposite sides of the second reflector 230, and the wire 110 installed in the lead member 210 passes through the second reflector 230 and is connected to the feed source 220. The feed source 220 can be a millimeter wave antenna for receiving / transmitting millimeter wave signals, for example, for transmitting millimeter wave signals to one or more specific directions. Millimeter wave signals are electromagnetic wave signals with a wavelength of 1-10 mm. The wire 110 includes a millimeter wave radio frequency line and a millimeter wave power line.
[0037] The motion reflection mechanism 300 includes a first reflector 310 and a first driver 320. The first reflector 310 is located on one side of the feed source 220 and has a reflection surface 311 for reflecting antenna signals. The first driver 320 is connected to the first reflector 310 and is used to drive the first reflector 310 to swing around a swing axis 301. The swing axis 301 is parallel to the reflection surface 311. For example, the opposite ends of the first reflector 310 can be respectively oriented to Figure 4 The X direction and the Y direction are shown to swing, and the X direction and the Y direction are two opposite swing directions.
[0038] In some embodiments, the reflective surface 311 is a plane. The swing axis 301 may be a virtual axis parallel to the reflective surface 311. The X direction and the Y direction may be positive and negative directions of the virtual axis perpendicular to the reflective surface 311. In other embodiments, the reflective surface 311 may also be a non-planar surface, such as a curved surface, and the swing axis 301 is parallel to a portion of the reflective surface 311. The following mainly takes the reflective surface 311 as a plane as an example for description.
[0039] The first driver 320 may be disposed on a side of the first reflector 310 away from the feed source 220 and connected to the first reflector 310. The first driver 320 may be connected to the middle of the first reflector 310, and then when the first driver 320 drives the first reflector 310 to swing, the part of the first reflector 310 located on one side of the middle and the other part of the first reflector 310 located on the other side of the middle may swing in opposite directions respectively, one of which gradually approaches the feed source 220 during the swinging process, and the other gradually moves away from the feed source 220 during the swinging process, which appears as the first reflector 310 swinging in a clockwise or counterclockwise direction with the middle as the center in a horizontal viewing angle.
[0040] In other embodiments, the first driver 320 may also be connected to a portion other than the middle portion of the first reflector 310 , for example, connected to an edge of the first reflector 310 , so that portions other than the edge of the first reflector 310 can swing in the same direction.
[0041] In some embodiments, the motion reflection mechanism 300 includes a first bracket 330 , which is located on the same side of the feed source 220 as the first reflector 310 , and the first reflector is rotatably disposed on the first bracket 330 . The first bracket 330 can be used to carry the first reflector 310 .
[0042] Optionally, the first reflector 310 and the first driver 320 are both disposed on the first bracket 330. The first reflector 310 and the first bracket 330 form a rotating shaft. In the embodiment where the first driver 320 is connected to the middle or near the middle of the first reflector 310, the first driver 320 can be disposed on the back side of the reflective surface 311 and connected to the first reflector 310. Of course, the first driver 320 can also be disposed at other positions.
[0043] The motion reflection mechanism 300 may further include a third reflector 340, which is disposed between the second reflector 230 and the first reflector 310. The third reflector 340 is a hyperbolic reflector, and the surface of the third reflector 340 facing the second reflector 230 is a hyperbolic surface 341. The motion reflection mechanism 300 also includes a support member 350, and the third reflector 340 is fixed to the support member 350, and the fixing method may be a snap connection, or may be other methods such as bonding and welding.
[0044] The first reflector 310 is provided with a through opening 312, and the support member 350 is passed through the through opening 312. The support member 350 can be fixedly connected to the first bracket 330, or the support member 350 and the first bracket 330 are integrally formed. The through opening 312 can be elliptical, rectangular or other long strip shapes to avoid being blocked by the support member 350 when the first reflector 310 swings.
[0045] Please combine Figure 3 , Figure 4 See also Figures 5 to 7 , Figure 5 is a schematic diagram of the signal transmission principle of an antenna device in a first state provided by some embodiments of the present application, Figure 6 yes Figure 5 A schematic diagram of the signal transmission principle of the antenna device in the embodiment in the second state, Figure 7 yes Figure 5 Schematic diagram of the signal transmission principle of the antenna device in the embodiment in the third state.
[0046] The first focus 302 of the hyperboloid 341 of the third reflector 340 of the antenna device 10 coincides with the second focus 303 of the parabola 231 of the second reflector 230, and the feed source 220 is located at the third focus 304 of the hyperboloid 341 of the third reflector 340. The first focus 302 and the third focus 304 are two focuses of the hyperboloid reflector, and the second focus 303 is the focus of the parabola reflector. That is, one focus (the first focus 302) of the hyperboloid 341 of the third reflector 340 coincides with the focus (the second focus 303) of the parabola 231 of the second reflector 230, and the feed source 220 is located at the other focus (the third focus 304) of the hyperboloid 341 of the third reflector 340.
[0047] The focal axis of the second reflector 230 coincides with the focal axis of the third reflector 340. The antenna signal transmitted by the feed source 220 can be reflected by the third reflector 340 to the second reflector 230, then reflected by the second reflector 230 to the first reflector 310, and then reflected by the first reflector 310 to the outside, and finally the antenna signal can be transmitted in the direction of the base station 20. The transmission path of the signal received by the feed source 220 is opposite to the transmission path of the antenna signal transmitted by the feed source 220.
[0048] According to the geometric characteristics of the parabola 231 and the hyperbolic surface 341, the antenna signal is emitted from the third focus 304, which is equivalent to being emitted from the first focus 302 (equivalent to the second focus 303). After being reflected by the parabola 231, the direction of the radio wave is parallel to the normal axis of the parabola 231, and the electromagnetic wave is converted from the original spherical wave to a plane wave. At this time, the beam width becomes narrower than before, so the transmission energy will be more concentrated and the gain will be greater.
[0049] When the feed source 220 transmits an antenna signal, the antenna signal is incident on the third reflector 340 and reflected to the second reflector 230, and then reflected by the second reflector 230 to the first reflector 310, and finally reflected to the outside by the first reflector 310. The embodiment of the present application adopts the signal reflection design under the cooperation of the above-mentioned first reflector 310, the second reflector 230 and the third reflector 340, which is conducive to increasing the space utilization rate of the antenna device 10 and improving the caliber efficiency of the antenna device 10. Among them, the part of the first reflector 310 forming the reflection surface 311, the part of the second reflector 230 forming the parabola 231, and the part of the third reflector 340 forming the hyperboloid 341 can all be made of metal. The reflection surface 311, the parabola 231 and the hyperboloid 341 are all polished to improve the reflectivity.
[0050] In the first state, if Figure 5 As shown, the first reflector 310 of the antenna device 10 swings to an angle a1 of 22.5 degrees relative to the feed source 220. It should be noted that the swing angle is 0 when the first reflector 310 is facing the feed source 220. For ease of understanding, in this embodiment, the surface of the feed source 220 used to transmit antenna signals is considered to be parallel to the horizontal plane. It should be understood that in actual applications, the surface of the feed source 220 used to transmit antenna signals can also be set at an angle to the horizontal plane. After being reflected by the second reflector 230 and the third reflector 340, the antenna signal can be transmitted to the first reflector 310 in the vertical direction.
[0051] In the first state, if Figure 5 As shown, the included angle a2 between the antenna signal and the horizontal plane after being reflected by the first reflector 310 is 45 degrees, so that the antenna device 10 can communicate with the base station 20 which is higher than the antenna device 10 in the vertical direction.
[0052] In the second state, if Figure 6 As shown, the first reflector 310 of the antenna device 10 swings to an angle b of 45 degrees relative to the feed source 220, and the angle between the antenna signal and the horizontal plane after being reflected by the first reflector 310 is 0 degrees, so that the antenna device 10 can communicate with the base station 20 which is flush with the antenna device 10 in the vertical direction.
[0053] In the third state, if Figure 7 As shown, the first reflector 310 of the antenna device 10 swings to an angle c1 of 55 degrees relative to the feed source 220, and the angle c2 between the antenna signal and the horizontal plane after being reflected by the first reflector 310 is -20 degrees, so that the antenna device 10 can communicate with the base station 20 which is lower than the antenna device 10 in the vertical direction.
[0054] Driven by the first driver 320, the first reflector 310 can swing to any angle within a certain range, so that the antenna device 10 can communicate with the base station 20 that is aligned in the vertical direction, and can also communicate with the base station 20 with a height difference. The swing angle range of the first reflector 310 relative to the feed source 220 can be 20-60 degrees, such as 22.5 degrees, 32 degrees, 39 degrees, 45 degrees, 52 degrees, 55 degrees, etc., so as to achieve signal coverage of the antenna device 10 in the vertical direction. For example, when the swing angle range of the first reflector 310 relative to the feed source 220 is within the range of 22.5-45 degrees, the antenna device 10 can achieve signal coverage within the range of -20 degrees to 45 degrees.
[0055] It should be understood that the terms used in the specification of this application and the appended claims are only for the purpose of describing specific embodiments and are not intended to limit the present application. For example, unless the context clearly indicates otherwise, the singular forms of "one", "an" and "the" are intended to include the plural forms. As another example, the terms "first" and "second" in the description of this application are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. As another example, the meaning of "multiple" in the description of this application is two or more, unless otherwise clearly and specifically defined.
[0056] Please refer to Figure 2 and Figure 8 , Figure 8 It is a schematic diagram of the decomposed structure of the signal transceiver device provided by some embodiments of the present application. In some embodiments, the various components of the transceiver mechanism 200 and the various components of the motion reflection mechanism 300 can be coaxially arranged. The feed source 220 can be electrically connected to the host 11 through the wire 110 installed on the lead member 210. Since the embodiment of the present application adopts the motion reflection mechanism 300 to realize the range radiation of the antenna signal, the wire 110 does not need to move during the process of the feed source 220 receiving and transmitting the signal, which avoids the problem of the insertion loss deterioration of the wire 110 caused by the movement, and prolongs the service life of the wire 110. Moreover, the wire 110 that does not need to move has no flexibility requirements. Compared with the related electronic wire that needs to move, the wire 110 can use a thicker wire core and a thicker shielding layer, and the wire body does not need to be extended, which is conducive to reducing the transmission impedance of the wire 110 and strengthening the shielding of the wire 110, thereby helping to reduce signal loss and improve the signal receiving and transmitting efficiency of the antenna device 10.
[0057] The third reflector 340 of the motion reflection mechanism 300 is fixed to the support member 350, and the support member 350 is passed through the first reflector 310 and fixed on the first bracket 330, so that when the feed source 220 transmits the antenna signal, the third reflector 340 can remain stationary relative to the second reflector 230 and the feed source 220, and the first reflector 310 swings relative to the feed source 220 under the drive of the first driver 320, and then the antenna signal can reach the third reflector 340, the second reflector 230 and the first reflector 310 in sequence along the fixed angle transmission path, and then be emitted to the outside in the corresponding direction according to the swing angle of the first reflector 310 relative to the feed source 220.
[0058] The first reflector 310 may include a reflector plate 3101 and a second bracket 3102, and the reflector plate 3101 is fixed to the second bracket 3102, and the fixing method is not limited to bonding, welding, etc. The support member 350 passes through the reflector plate 3101 and the second bracket 3102 in sequence, and is fixed to the first bracket 330. The first driver 320 is fixed to the first bracket 330, and is located on a side of the second bracket 3102 away from the reflector plate 3101, and is connected to the second bracket 3102. The first driver 320 may be a motor, and the output shaft of the motor is connected to the second bracket 3102.
[0059] The reflector 3101 can be made of metal as a whole. The second bracket 3102 can be made of plastic to reduce the cost and molding difficulty. The second reflector 230 and the third reflector 340 can be made of metal as a whole, or only partially.
[0060] It should be noted that, in some embodiments, the first reflector 310 may also be an integral component, for example, the first reflector 310 is integrally formed of a metal material, in which case the first reflector 310 does not have the second bracket 3102, or the second bracket 3102 may be integrally formed with the reflective plate 3101. The support member 350 and the first bracket 330 may also be integrally formed.
[0061] The motion reflection mechanism 300 further includes a control line 360, which is connected between the host 11 and the first driver 320, and the host 11 can control the first driver 320 through the control line 360. The motion reflection mechanism 300 may further include a winding member 370, on which the control line 360 is wound. The motion reflection mechanism 300 may further include a second driver 380, which is used to drive the first reflector 310 to rotate, so that the antenna device 10 can transmit the antenna signal to various directions of the surrounding side.
[0062] For details, please refer to Figures 9 to 11 , Fig. 9is a schematic diagram of the structure of a motion reflection mechanism provided in some embodiments of the present application, Fig.10 yes Fig. 9 The schematic diagram of the decomposition structure of the motion reflection mechanism in the embodiment, Fig.11 yes Fig. 9 A partial structural diagram of the motion reflection mechanism in the embodiment.
[0063] In some embodiments, the second driver 380 is connected to a side of the first bracket 330 away from the feed source 220. The second driver 380 and the first driver 320 can be located on opposite sides of the first bracket 330. The second driver 380 can drive the first bracket 330 to rotate through the connection relationship with the first bracket 330. Since the first reflector 310 is arranged on the first bracket 330, the second driver 380 connected to the first bracket 330 can drive the first reflector 310 to rotate by using the first bracket 330 as a medium. The second driver 380 can be a motor, the output shaft of which is arranged toward the first bracket 330 and is fixedly connected to the bottom of the first bracket 330. The second driver 380 can be electrically connected to the host 11, so that the host 11 can supply power to the second driver 380 and control the operation of the second driver 380.
[0064] The first bracket 330 may be provided with bosses 3301 at both ends, and the bosses 3301 are used to set the rotating shaft connected to the first reflector 310, so as to achieve the rotating shaft cooperation between the first bracket 330 and the first reflector 310. The first driver 320 may be fixed between the bosses 3301 at both ends of the first bracket 330 and connected to the first reflector 310. The first driver 320 may be a motor, and its output shaft is provided at the side of the motor and connected to the first reflector 310.
[0065] Optionally, the winding member 370 is disposed between the first driver 320 and the host 11. The host 11 is spaced apart from the first bracket 330 and the first reflector 310, so that the first reflector 310 and the first bracket 330 can move relative to the host 11. The winding member 370 can be fixedly connected to the first bracket 330, for example, the winding member 370 is provided with a buckle, and is clamped to the first bracket 330 by the buckle. The winding member 370 may include a winding portion 371 and a stopper portion 372 extending from opposite ends of the winding portion 371. The control line 360 connected between the host 11 and the first driver 320 is wound around the winding portion 371, and the two ends of the control line 360 are respectively connected to the host 11 and the first driver 320.
[0066] When the second driver 380 drives the first reflector 310 to rotate, the control wire 360 will be driven by the first reflector 310. The stopper 372 of the winding member 370 can limit the control wire 360 to the peripheral area of the winding portion 371, so that the control wire 360 can be arranged in an orderly manner during the rotation of the first reflector 310. According to the rotation direction of the first reflector 310, the control wire 360 can be tightened or loosened at the periphery of the winding portion 371 without being scattered everywhere.
[0067] The winding member 370 may be located on a side of the first bracket 330 away from the first driver 320 and connected to the first bracket 330. The stopper 372 disposed at the top of the winding portion 371 may be provided with a wire hole 3701, and the control line 360 is passed through the wire hole 3701 and connected to the first driver 320. In the embodiment of the present application, the control line 360 may be a flexible circuit board; the second driver 380 may be electrically connected to the host 11 through another flexible circuit board. The host 11 may be located on a side of the winding member 370 away from the first bracket 330, so that the control line 360 may extend from the winding member 370 in a vertical direction to the host 11 and be connected to the host 11.
[0068] Through the above design, the embodiment of the present application makes it possible for only the control line 360 of the electronic lines of the motion reflection mechanism 300 to be subjected to pulling stress, and the wire 110 between the feed source 220 and the host 11, and the electronic line between the second driver 380 and the host 11 are not subjected to pulling stress, which is beneficial to reducing the load of the motion reflection mechanism 300 during speed change, and can reduce the torque required for speed change, which is beneficial to increasing the rotation speed of the motion reflection mechanism 300, thereby increasing the network search speed of the antenna device 10 and improving the user experience. In addition, the design also reduces the risk of idling of the motion reflection mechanism 300 due to line stress, which is beneficial to improving the positioning accuracy of the motion reflection mechanism 300.
[0069] Please refer to Figure 5 and Fig.12 , Fig.123 is a schematic diagram of the signal transmission principle of the antenna device in the fourth state provided by some embodiments of the present application. In some embodiments, the second driver 380 can be used to drive the first reflector 310 to rotate around the rotation axis 305. The rotation axis 305 is a virtual axis, and the axial direction of the rotation axis 305 is parallel to the transmission direction of the antenna signal transmitted to the first reflector 310. For example, after the antenna signal is reflected by the third reflector 340 and the second reflector 230, it is transmitted to the first reflector 310 in the vertical direction, and the axial direction of the rotation axis 305 is parallel to the vertical direction. Driven by the second driver 380, the first reflector 310 can rotate to change the state of the antenna device 10, for example, from the first state to the fourth state, to change the transmission direction of the antenna signal reflected by the first reflector 310. Among them, the rotation angle range of the first reflector 310 driven by the second driver 380 is 0 degrees-360 degrees, that is, the first reflector 310 can reflect the antenna signal to any direction of its surrounding side.
[0070] The rotation center of the first reflector 310 is determined by the connection position of the second driver 380 and the first bracket 330. For example, the connection point between the second driver 380 and the first bracket 330 and the center of the first reflector 310 can be on the same vertical axis (virtual axis in the vertical direction), so that during the rotation of the first reflector 310, the first reflector 310 as a whole does not move in the horizontal direction, and at this time, the position where the antenna signal is transmitted to the first reflector 310 does not change with the rotation of the first reflector 310. For another example, the connection point between the second driver 380 and the first bracket 330 and the center of the first reflector 310 can be on different vertical axes, so that during the rotation of the first reflector 310, the first reflector 310 as a whole will move in the horizontal direction, and at this time, the position where the antenna signal is transmitted to the first reflector 310 will change with the rotation of the first reflector 310. The specific design to be adopted can be determined according to actual needs.
[0071] The first reflector 310 of the embodiment of the present application can be swung around the swing axis 301 under the drive of the first driver 320, so that the angle between the output direction of the antenna signal reflected by the first reflector 310 and the vertical direction is adjustable, so that the antenna device 10 can communicate with base stations 20 with different height differences; the first reflector 310 can also rotate around the rotation axis 305 under the drive of the second driver 380, so that the angle between the output direction of the antenna signal reflected by the first reflector 310 and a specific horizontal direction is adjustable, so that the antenna device 10 can communicate with base stations 20 at any position on the surrounding side. The first reflector 310 can swing and / or rotate according to needs, such as the location of the base station 20, to adjust the signal receiving / transmitting direction of the antenna device 10, thereby improving the signal coverage and positioning accuracy of the antenna device 10 and reducing the blind angle risk of signal receiving / transmitting.
[0072] In the several embodiments provided in this application, it should be understood that the disclosed device can be implemented in other ways. For example, the device embodiments described above are only schematic, and the division of the above units is only a logical function division. 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.
[0073] In the description of the present application, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the products of the present application are usually placed when in use. They are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0074] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0075] The above description is only an implementation method of the present application, and does not limit the patent scope of the present application. Any equivalent structure or equivalent process transformation made according to the description and drawings of the present application, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present application.
Claims
1. An antenna device, characterized in that: The antenna device comprises: Feed, used to transmit antenna signals in a specific direction; A first reflector, located at one side of the feed source, the first reflector having a reflecting surface for reflecting the antenna signal; and The first driver is connected to the first reflector and is used to drive the first reflector to swing around a swing axis, and the swing axis is parallel to the reflecting surface.
2. The antenna device according to claim 1, characterized in that The antenna device includes a second driver, which is used to drive the first reflector to rotate around a rotation axis, and the axial direction of the rotation axis is parallel to the transmission direction of the antenna signal transmitted to the first reflector.
3. The antenna device according to claim 2, characterized in that When driven by the first driver, the swing angle range of the first reflector relative to the feed source is 20 degrees to 60 degrees; when driven by the second driver, the rotation angle range of the first reflector is 0 degrees to 360 degrees.
4. The antenna device according to claim 2, characterized in that The antenna device includes a first bracket, the first bracket and the first reflector are located on the same side of the feed source, and the first reflector is rotatably disposed on the first bracket.
5. The antenna device according to claim 4, characterized in that The first driver is arranged on the first bracket, the second driver is connected to a side of the first bracket away from the feed source, and the first driver and the second driver are respectively located on two opposite sides of the first bracket.
6. The antenna device according to claim 4, characterized in that The antenna device includes a host connected to the feed source via a wire, and a control line connected between the host and the first driver. The host controls the feed source to transmit an antenna signal via the wire, and controls the first driver via the control line.
7. The antenna device according to claim 6, characterized in that The antenna device includes a winding member, which includes a winding portion and a stop portion extending from opposite ends of the winding portion. The winding member is arranged between the first driver and the host, and the control line is wound around the winding portion.
8. The antenna device according to claim 7, characterized in that The winding member is located on a side of the first bracket away from the first driver and is connected to the first bracket; the host is located on a side of the winding member away from the first bracket.
9. The antenna device according to claim 1, characterized in that: The antenna device includes a second reflector and a third reflector, the surface of the second reflector facing the first reflector is a parabola, and the feed source is arranged on the parabola of the second reflector; the third reflector is arranged between the second reflector and the first reflector, and the surface of the third reflector facing the second reflector is a hyperbolic surface.
10. The antenna device according to claim 9, characterized in that One focus of the hyperboloid of the third reflector coincides with the focus of the parabola of the second reflector, and the feed source is located at the other focus of the hyperboloid of the third reflector.
11. The antenna device according to claim 10, characterized in that: The focal axis of the second reflector coincides with the focal axis of the third reflector; when the feed source transmits an antenna signal, the antenna signal is incident on the third reflector and reflected to the second reflector, then reflected by the second reflector to the first reflector, and finally reflected to the outside by the first reflector.
12. The antenna device according to claim 9, characterized in that The antenna device comprises a support member, and the third reflector is fixed on the support member; the first reflector is provided with a through opening, and the support member is passed through the through opening.
13. The antenna device according to claim 1, characterized in that The feed source is a millimeter wave antenna, which is used to transmit millimeter wave signals in a specific direction; and the reflecting surface of the first reflector is a plane.
Citation Information
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Asymmetric terahertz frequency band radar
CN121805956A