Antenna polarization angle adjusting device

Abstract

The utility model discloses an antenna polarization angle adjusting device, and belongs to the field of satellite communication antennas. Comprising an antenna surface module, an all-in-one machine module and a driving module, the antenna surface module comprises an antenna surface, a central disc, a rotating piece, a circular polarizer and a circular-rectangular converter, and the antenna surface and the circular-rectangular converter are respectively fixed on two opposite sides of the central disc; the rotating piece is connected to the output end of the driving module and is rotationally connected with the circular-rectangular converter; the circular polarizer is fixed on the rotating piece; the all-in-one machine module comprises a transceiver all-in-one machine and an all-in-one machine adapter, the all-in-one machine adapter is fixedly installed on the transceiver all-in-one machine, and the all-in-one machine adapter is rotatably connected with the circular polarizer. Compared with the prior art, the antenna polarization angle adjusting device provided by the utility model can improve the compactness of the device and reduce the volume of the device through the modularization of the structure, and also can be convenient to assemble.

Description

Technical Field

[0001] The utility model belongs to the field of satellite communication antennas, and particularly relates to an antenna polarization angle adjustment device. Background Art

[0002] With the development of maritime transport in recent years, wireless communication at sea has become increasingly important. When a ship encounters an emergency or dangerous situation while sailing at sea, the ship's on-board communication can promptly and quickly transmit the message to the command center on shore to obtain guidance and assistance. In addition, on-board communication has a wide range of information and communication applications in maritime business activities. The ship's on-board communication antenna can provide Internet, email, voice, fax, video, intranet, electronic chart updates, remote interaction and other functions.

[0003] In the prior art, on the basis of satisfying the polarization adjustment of 0-180° of the polarization part of the Ka-band mobile communication antenna through toothed belt transmission, the coordination, installation and disassembly between the transmission components are considered, and the parts are assembled, which not only facilitates installation to realize product functions but also realizes the separate replacement and maintenance of important parts and easily worn parts, thereby improving production and testing efficiency.

[0004] At present, the polarization part of the "Mobile Communication" antenna is mostly composed of (antenna surface / flange / circular moment conversion / circular polarizer / transceiver / motor transmission components), but the coordination methods are different according to the antenna requirements themselves. The purpose is to achieve coordination and freedom on the basis of meeting the RF signal requirements. There are problems such as too many parts, low degree of modularization and large overall size. It cannot meet the needs of miniaturization, modularization and low cost, and disassembly and assembly are also more troublesome. Utility Model Content

[0005] In order to solve the above problems, the purpose of the utility model is to provide an antenna polarization angle adjustment device, which can achieve modular structure, miniaturization of the overall volume, and convenient disassembly and assembly.

[0006] To achieve the above purpose, the technical solution of the utility model is as follows:

[0007] The utility model provides an antenna polarization angle adjustment device, comprising: an antenna surface module, an all-in-one machine module, and a driving module, wherein the antenna surface module comprises an antenna surface, a center disk, a rotating member, a circular polarizer, and a circular-moment converter, wherein the antenna surface and the circular-moment converter are respectively solid on opposite sides of the center disk; the rotating member is connected to the output end of the driving module and is rotatably connected to the circular-moment converter; the circular polarizer is fixed to the rotating member; the all-in-one machine module comprises a transceiver and an all-in-one machine adapter, wherein the all-in-one machine adapter is fixedly installed on the transceiver, and the all-in-one machine adapter is rotatably connected to the circular polarizer.

[0008] In the present application, the driving module drives the rotating part, the circular polarizer to rotate relative to the circular-rectangular converter and the integrated adapter, thereby adjusting the polarization angle of the antenna. Compared with the prior art, the antenna surface module, the integrated module and the driving module can form a modular structure, which can not only improve the compactness of the device, reduce the size of the device, but also facilitate assembly.

[0009] Furthermore, the circular moment converter includes a circular moment conversion panel and a circular moment conversion shaft. The rotating member is an annular structure. The upper end of the circular moment conversion shaft is fixedly connected to the circular moment conversion panel, and the lower end is inserted into the annular hole of the rotating member and is rotatably connected to the rotating member.

[0010] Furthermore, a bearing is provided between the circular moment conversion shaft and the rotating member.

[0011] Furthermore, a limiting column is provided on the top surface of the rotating member, a semicircular limiting groove is provided on the bottom surface of the circular-moment conversion panel, the lower end of the limiting column is fixedly connected to the rotating member, and the upper end is movably arranged in the limiting groove. When the rotating member drives the circular polarizer to rotate, the limiting column and the limiting groove can be used to limit the polarization angle between 0° and 180°.

[0012] Furthermore, the circular polarizer includes a polarization panel and a polarization axis, and the all-in-one adapter is an annular structure. The polarization panel is fixedly connected to the lower end of the rotating member, the upper end of the polarization axis is fixedly connected to the upper end of the polarization panel, and the lower end is inserted into the annular hole of the all-in-one adapter and is rotatably connected to the all-in-one adapter.

[0013] Furthermore, a bearing is arranged between the polarization axis and the integrated machine adapter.

[0014] In the present application, the circular-to-moment converter and the rotating part, and the circular polarizer and the all-in-one adapter are all connected by an axis. When the polarization angle is adjusted, rotation around the axis is achieved, which can ensure the coaxiality between the circular-to-moment converter, the circular polarizer, and the all-in-one adapter.

[0015] Furthermore, the antenna surface module also includes a polarization fixing beam, and the center plate is fixed on the polarization fixing beam, and the installation and fixation of the entire device is achieved through the polarization fixing beam.

[0016] Furthermore, the antenna surface module further comprises a feed fixing seat, the feed fixing seat passing through the middle of the antenna surface and fixedly connected to the central plate. The feed fixing seat can be used to fix the feed assembly of the antenna.

[0017] Furthermore, the rotating part adopts a synchronous wheel, the antenna surface module also includes a synchronous belt, the driving module includes a driving motor and a driving wheel, the driving wheel is connected to the output end of the driving motor, and the driving wheel and the synchronous wheel are connected through the synchronous belt transmission.

[0018] Furthermore, a photoelectric sensor switch is fixed on the bottom surface of the center disk, and a photoelectric sensor sheet matched with the photoelectric sensor switch is fixed on the circular polarizer. The photoelectric sensor sheet can rotate with the synchronous wheel, and provide position feedback for the rotation of the synchronous wheel by cooperating with the photoelectric sensor switch. When the photoelectric sensor sheet reaches the photoelectric sensor switch, the program determines that it is in place and stops moving.

[0019] Furthermore, the all-in-one module also includes an all-in-one mounting bracket and a counterweight block. The all-in-one mounting bracket is fixedly connected to the polarization fixed beam. The all-in-one mounting bracket is also provided with a mounting groove. The transceiver and the counterweight block are both arranged in the mounting groove, and the counterweight block is fixedly connected to the all-in-one mounting bracket.

[0020] Furthermore, the driving motor is fixed on the integrated machine mounting bracket.

[0021] Compared with the prior art, the utility model has the beneficial effect that the antenna polarization angle adjustment device of the utility model can be modularized through the component structure, which can not only improve the compactness of the device, reduce the volume of the device, but also facilitate assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an axonometric diagram of the antenna polarization angle adjustment device of this embodiment.

[0023] Figure 2 is an exploded view of the antenna polarization angle adjustment device of this embodiment.

[0024] Figure 3 Rear view of the antenna polarization angle adjustment device of this embodiment.

[0025] Figure 4 yes Figure 3 Cross-section view at AA in the middle.

[0026] Figure 5 yes Figure 4 Cross-section view at the middle BB.

[0027] Figure 6 It is a structural schematic diagram of the antenna surface module.

[0028] Figure 7 It is a structural diagram of the all-in-one module.

[0029] Figure 8It is a structural schematic diagram of the circular moment converter and the limit column.

[0030] Fig. 9 It is a structural diagram of a circular polarizer. DETAILED DESCRIPTION

[0031] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0032] To achieve the above purpose, the technical solution of the utility model is as follows:

[0033] See also Figure 1-9 As shown, this embodiment provides an antenna polarization angle adjustment device, including: an antenna surface module 1, an all-in-one module 2, and a driving module 3, the antenna surface module 1 includes an antenna surface 11, a center disk 12, a rotating member 13, a circular polarizer 14, and a circular-rectangular converter 15, the antenna surface 11 and the circular-rectangular converter 15 are respectively solid on opposite sides of the center disk 12; the rotating member 13 is connected to the output end of the driving module 3, and is rotatably connected to the circular-rectangular converter 15; the circular polarizer 14 is fixed to the rotating member 13; the all-in-one module 2 includes a transceiver 21 and an all-in-one adapter 22, the all-in-one adapter 22 is fixedly installed on the transceiver 21, and the all-in-one adapter 22 is rotatably connected to the circular polarizer 14.

[0034] In this embodiment, the driving module 3 drives the rotating member 13 and the circular polarizer 14 to rotate relative to the circular-to-rectangular converter 15 and the integrated machine adapter 22, thereby adjusting the polarization angle of the antenna. Compared with the prior art, the antenna surface module 1, the integrated machine module 2, and the driving module 3 can form a modular structure, which can improve the compactness of the device, reduce the size of the device, and facilitate assembly.

[0035] Furthermore, the circular moment converter 15 includes a circular moment conversion panel 151 and a circular moment conversion shaft 152. The rotating member 13 is an annular structure. The upper end of the circular moment conversion shaft 152 is fixedly connected to the circular moment conversion panel 151, and the lower end is inserted into the annular hole of the rotating member 13 and is rotatably connected to the rotating member 13.

[0036] Furthermore, a bearing is provided between the circular moment conversion shaft 152 and the rotating member 13 .

[0037] Furthermore, a limiting column 16 is provided on the top surface of the rotating member 13, and a semicircular limiting groove 17 is provided on the bottom surface of the circular moment conversion panel 151. The lower end of the limiting column 16 is fixedly connected to the rotating member 13, and the upper end is movably arranged in the limiting groove 17. When the rotating member 13 drives the circular polarizer 14 to rotate, the limiting column 16 and the limiting groove 17 can be used to limit the structure formed by the limiting column 16 and the limiting groove 17, so as to achieve the adjustment of the polarization angle between 0° and 180°.

[0038] Furthermore, the circular polarizer 14 includes a polarization panel 141 and a polarization axis 142. The all-in-one adapter 22 is an annular structure. The polarization panel 141 is fixedly connected to the lower end of the rotating member 13. The upper end of the polarization axis 142 is fixedly connected to the upper end of the polarization panel 141. The lower end is inserted into the annular hole of the all-in-one adapter 22 and is rotatably connected to the all-in-one adapter 22.

[0039] Furthermore, a bearing is provided between the polarization axis 142 and the integrated machine adapter 22 .

[0040] In this embodiment, the circular moment converter 15 and the rotating part 13, and the circular polarizer 14 and the integrated machine adapter 22 are all connected by an axis. When the polarization angle is adjusted, rotation around the axis is achieved, which can ensure the coaxiality among the circular moment converter 15, the circular polarizer 14, and the integrated machine adapter 22.

[0041] Furthermore, the antenna surface module 1 also includes a polarization fixing beam 18, and the central plate 12 is fixed on the polarization fixing beam 18, so that the installation and fixation of the entire device are achieved through the polarization fixing beam 18.

[0042] Furthermore, the antenna surface module 1 further includes a feed fixing seat 19, which passes through the middle of the antenna surface 11 and is fixedly connected to the center plate 12. The feed fixing seat 19 can be used to fix the feed assembly of the antenna.

[0043] Furthermore, the rotating member 13 adopts a synchronous wheel, the antenna surface module 1 also includes a synchronous belt 110, the driving module 3 includes a driving motor 31 and a driving wheel 32, the driving wheel 32 is connected to the output end of the driving motor 31, and the driving wheel 32 and the synchronous wheel are connected through the synchronous belt 110.

[0044] Furthermore, a photoelectric sensor switch 111 is fixed to the bottom surface of the center disk 12, and a photoelectric sensor sheet 112 that cooperates with the photoelectric sensor switch 111 is fixed to the circular polarizer 14. The photoelectric sensor sheet 112 can rotate with the synchronous wheel, and provide position feedback for the rotation of the synchronous wheel by cooperating with the photoelectric sensor switch 111. When the photoelectric sensor sheet 112 reaches the photoelectric sensor switch 111, the program determines that it is in place and stops moving.

[0045] Furthermore, the all-in-one module 2 also includes an all-in-one mounting bracket 23 and a counterweight 24. The all-in-one mounting bracket 23 is fixedly connected to the polarization fixed beam 18. The all-in-one mounting bracket 23 is also provided with a mounting groove. The transceiver 21 and the counterweight 24 are both arranged in the mounting groove, and the counterweight 24 is fixedly connected to the all-in-one mounting bracket 23.

[0046] Furthermore, the driving motor 31 is fixed on the integrated machine mounting bracket 23 .

[0047] In this embodiment, the antenna surface module 1 and the integrated machine module 2, and the integrated machine and the driving module 3 are fixedly connected by bolts. The components of the antenna surface module 1 and the integrated machine module 2 are positioned in the form of shaft holes to ensure the overall coaxiality of the device. The polarization rotation is mainly achieved through the rotation mechanism of the antenna surface module 1 to ensure that the RF signal is not affected during the rotation process. The mechanical limit of some parts in the antenna surface module 1 and the collision switch can achieve 0-180° rotation and limit. The driving module 3 is the output power source. The power source is transmitted to the synchronous wheel through the synchronous belt 110 and the driving wheel 32, so that the rotation mechanism of the antenna surface module 1 can perform rotational movement.

[0048] Among them, see Figure 6 The antenna surface module 1 is assembled in the following manner: the antenna surface and the feed source fixing seat 19 are connected to the center disk 12 by screws; the center disk 12 is connected to the polarization fixing beam 18 by six screws; the circular moment converter 15 is fixed to the center disk 12 by screws; the photoelectric sensor switch 111 is fixed to the center disk 12 by screws; after two bearings are inserted into the mounting position at the synchronous wheel, the limit column 16 is locked, and the whole is inserted into the circular moment converter shaft 152 of the circular moment converter 15; the photoelectric sensor mounting plate is installed on the circular polarizer 14; the circular polarizer 14 is installed on the synchronous wheel, and the synchronous belt 110 is inserted into the synchronous wheel to complete the installation. The working principle is: after the synchronous wheel is connected to the circular polarizer 14, it rotates around the axis through the combination of the bearing and the circular moment converter 15, and the synchronous belt 110 drives the synchronous wheel to ensure that the circular polarizer 14 and the circular moment converter 15 form relative rotation; the limiting column 16 on the synchronous wheel rotates in the limiting groove 17 in the center disk 12 to ensure the accurate position of 0-180° and the safe movement. When the photoelectric sensor installation piece installed on the synchronous wheel reaches the photoelectric sensor switch 111, the program determines that it is in place and stops moving.

[0049] Among them, see Figure 7The assembly method of the integrated machine module 2 is as follows: the transceiver integrated machine 21 is fixed on the integrated machine mounting bracket 23 by four screws, the integrated machine adapter 22 is fixed on the transceiver integrated machine 21 by screws, the bearing is inserted into the bearing installation position of the integrated machine adapter 22, and finally the counterweight 24 is installed on the integrated machine mounting bracket 23 to complete the installation. The bearing is sleeved with the circular polarizer 14 interface shaft of the antenna surface module 1, so that the integrated machine part is relatively stationary, and only the circular polarizer 14 rotates relatively, so as to realize the switching between left and right circular polarization.

[0050] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An antenna polarization angle adjustment device, characterized in that: include: An antenna surface module, an all-in-one module, and a driving module, wherein the antenna surface module includes an antenna surface, a center disk, a rotating part, a circular polarizer, and a circular-to-rectangular converter, wherein the antenna surface and the circular-to-rectangular converter are respectively fixed on opposite sides of the center disk; the rotating part is connected to the output end of the driving module and is rotationally connected to the circular-to-rectangular converter; the circular polarizer is fixed to the rotating part; the all-in-one module includes a transceiver and an all-in-one adapter, wherein the all-in-one adapter is fixedly installed on the transceiver, and the all-in-one adapter is rotationally connected to the circular polarizer.

2. The antenna polarization angle adjustment device according to claim 1, characterized in that: The circular moment converter includes a circular moment conversion panel and a circular moment conversion shaft. The rotating member is an annular structure. The upper end of the circular moment conversion shaft is fixedly connected to the circular moment conversion panel, and the lower end penetrates into the annular hole of the rotating member and is rotatably connected to the rotating member.

3. The antenna polarization angle adjustment device according to claim 2, characterized in that: A limiting column is arranged on the top surface of the rotating member, a semicircular limiting groove is arranged on the bottom surface of the circle-moment conversion panel, the lower end of the limiting column is fixedly connected to the rotating member, and the upper end is movably arranged in the limiting groove.

4. The antenna polarization angle adjustment device according to claim 3, characterized in that: The circular polarizer includes a polarization panel and a polarization axis. The all-in-one adapter is an annular structure. The polarization panel is fixedly connected to the lower end of the rotating member. The upper end of the polarization axis is fixedly connected to the upper end of the polarization panel, and the lower end is inserted into the annular hole of the all-in-one adapter and is rotatably connected to the all-in-one adapter.

5. The antenna polarization angle adjustment device according to claim 4, characterized in that: The antenna surface module also includes a polarization fixing beam, and the central plate is fixed on the polarization fixing beam, and the installation and fixation of the entire device are achieved through the polarization fixing beam.

6. The antenna polarization angle adjustment device according to claim 1, characterized in that: The antenna surface module also includes a feed source fixing seat, and the middle portion of the feed source fixing seat passes through the antenna surface and is fixedly connected to the center plate.

7. The antenna polarization angle adjustment device according to claim 5, characterized in that: The rotating member adopts a synchronous wheel, the antenna surface module also includes a synchronous belt, the driving module includes a driving motor and a driving wheel, the driving wheel is connected to the output end of the driving motor, and the driving wheel and the synchronous wheel are connected through the synchronous belt transmission.

8. The antenna polarization angle adjustment device according to claim 1, characterized in that: A photoelectric induction switch is also fixed on the bottom surface of the central disk, and a photoelectric induction sheet matched with the photoelectric induction switch is fixed on the circular polarizer.

9. The antenna polarization angle adjustment device according to claim 7, characterized in that: The all-in-one module also includes an all-in-one mounting bracket and a counterweight block. The all-in-one mounting bracket is fixedly connected to the polarization fixed beam. The all-in-one mounting bracket is also provided with a mounting groove. The transceiver and the counterweight block are both arranged in the mounting groove, and the counterweight block is fixedly connected to the all-in-one mounting bracket.

10. The antenna polarization angle adjustment device according to claim 9, characterized in that: The driving motor is fixed on the integrated machine mounting bracket.

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