Phase shifter driving device, phase shifter and antenna

Abstract

The invention relates to a phase shifter driving device, a phase shifter and an antenna. The output end of the driving assembly is connected with the transmission assembly, and the transmission assembly comprises at least one first output end and at least one second output end; the adjusting assembly comprises a first transmission part, a second transmission part and a plurality of racks, the first transmission part is movably connected with the first output end, the first transmission part is connected with a movable block, the second transmission part is connected with a first gear, the movable block is rotationally connected with the first gear, and the racks are connected with the movable block. The first transmission part is movably connected with the first output end, the second transmission part is movably connected with the second output end, the first gear is slidably connected with the second transmission part, the first gear is in radial clamping connection with the second transmission part, and the first gear can rotate and is meshed with the rack. According to the phase shifter driving device, the phase shifter and the antenna, the overall size is small, and flexible layout can be achieved.

Description

Technical Field

[0001] The present invention relates to the field of antenna technology, and in particular to a phase shifter driving device, a phase shifter and an antenna. Background Art

[0002] Phase shifters are important components of antennas. Currently, phase shifters mainly include driving mechanisms, connecting mechanisms, pull rods, and dielectric plates. The driving mechanism drives the pull rods to move through the connecting structures, and the pull rods drive the dielectric plates to move to achieve phase modulation. Usually, phase shifters include multiple connecting structures, each of which is driven by a driving mechanism, resulting in a larger phase shifter. In addition, the connecting structure and the driving structure are integrated, resulting in a single layout of the connecting structure and the driving structure, which cannot be flexibly arranged according to actual conditions. Summary of the invention

[0003] Therefore, the technical problem to be solved by the present invention is to provide a phase shifter driving device, a phase shifter and an antenna, which have a small overall volume and can be flexibly arranged.

[0004] To solve the above technical problems, the present invention provides a phase shifter driving device, including: a driving component; a transmission component, the output end of the driving component is connected to the transmission component, the transmission component includes at least one first output end and at least one second output end; an adjusting component, the adjusting component includes a first transmission member, a second transmission member and a plurality of racks, the first transmission member is movably connected to the first output end, the first transmission member is connected to a movable block, the second transmission member is connected to a first gear, the movable block is rotationally connected to the first gear, the second transmission member is movably connected to the second output end, the first gear is slidably connected to the second transmission member, and the first gear is radially engaged with the second transmission member, and the first gear can rotate and mesh with the rack.

[0005] In one embodiment of the present invention, the driving assembly includes a driving member, a second gear and a third gear, the output end of the driving member is connected to the second gear and the third gear, and the second gear and the third gear are both cooperatively connected to the transmission assembly.

[0006] In one embodiment of the present invention, the transmission assembly further includes a third transmission member and a fourth gear, the fourth gear is sleeved on the third transmission member, the output end of the drive assembly is meshed with the fourth gear, and the end of the third transmission member is the second output end.

[0007] In one embodiment of the present invention, the transmission assembly also includes a fourth transmission member, a fifth gear, a sixth gear and a seventh gear, the fifth gear and the sixth gear are slidably mounted on the third transmission member, the output end of the drive assembly is meshed with the fifth gear, the fifth gear is connected to the sixth gear, the seventh gear is sleeved on the fourth transmission member, the sixth gear is meshed with the seventh gear, and the end of the fourth transmission member is the first output end.

[0008] In one embodiment of the present invention, the adjustment assembly also includes a clamping member, the clamping member includes a first connecting plate, the rack is provided with a first gear tooth and a second gear tooth, the first gear is meshed with the first gear tooth, the first connecting plate is connected with a first clamping block extending toward the rack, the end of the first clamping block is provided with a clamping groove, and the clamping groove can mesh with the second gear tooth.

[0009] In one embodiment of the present invention, the clamping member also includes a second connecting plate, which is connected to the first connecting plate, and the second connecting plate is provided with a first protrusion extending in the direction of the rack. The movable block is connected to a third connecting plate, and the third connecting plate is provided with a second protrusion extending away from the rack. The first protrusion can be abutted against the second protrusion.

[0010] In one embodiment of the present invention, the adjustment assembly further comprises a through hole for the rack to pass through, the rack is provided with a slide groove, and the side wall of the through hole is provided with a second clamping block cooperating with the slide groove.

[0011] In one embodiment of the present invention, the first output end is connected to the first transmission member via a coupling, the coupling includes a first connecting block connected to the first output end and a second connecting block connected to the first transmission member, a connecting rod is connected between the first connecting block and the second connecting block, and hinged blocks are hinged between the first connecting block, the second connecting block and the connecting rod.

[0012] The present invention further provides a phase shifter, comprising a phase shift module and the above-mentioned phase shifter driving device, wherein the phase shifter driving device is connected to the phase shift module.

[0013] The present invention also provides an antenna, comprising the above-mentioned phase shifter.

[0014] The above technical solution of the present invention has the following advantages compared with the prior art:

[0015] The phase shifter drive device, phase shifter and antenna described in the present invention, through the mutual cooperation of the drive component, the transmission component, the movable block and the first gear, the phase shifter drive device can complete the phase adjustment of multiple phase shifters through a single drive component, so that the overall volume of the phase shifter drive device is smaller, and the phase shifter drive device is divided into three parts: the drive component, the transmission component and the adjustment component, wherein the transmission component and the adjustment component are connected by a transmission member, so that the position of the adjustment component can be flexibly placed in a certain range of 3D space, and one or two adjustment components can be set, and the drive component can drive two adjustment components to work simultaneously through the transmission component. Through the cooperation of the first protrusion and the second protrusion, and the meshing of the slot and the second gear teeth, the rack can be switched between a movable state and a locked state. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to make the contents of the present invention more clearly understood, the present invention is further described in detail below based on specific embodiments of the present invention in conjunction with the accompanying drawings.

[0017] Figure 1 It is a structural schematic diagram of a phase shifter driving device of the present invention.

[0018] Figure 2 It is a schematic diagram of the structure of the regulating component.

[0019] Figure 3 It is a structural diagram of the drive component.

[0020] Figure 4 It is a structural diagram of the transmission component.

[0021] Figure 5 It is a schematic diagram of the structure of the rack.

[0022] Figure 6 It is a schematic diagram of the structure of the second shell.

[0023] Figure 7 yes Figure 6 Schematic diagram of part of the structure.

[0024] Figure 8 It is a schematic diagram of the assembly structure of the movable block and the first gear.

[0025] Description of the accompanying drawings: 1. driving assembly; 2. transmission assembly; 3. coupling member; 4. adjusting assembly; 5. rack; 6. movable block; 11. driving member; 12. second gear; 13. third gear; 21. first housing; 22. third transmission member; 23. fourth gear; 24. fifth gear; 25. sixth gear; 26. fourth transmission member; 27. seventh gear; 31. first connecting block; 32. first connecting portion; 33. slider; 34 , second connecting part; 35, second connecting block; 41, first connecting plate; 42, first transmission member; 43, second transmission member; 44, guide rod; 45, second shell; 46, through hole; 51, first gear; 52, second gear; 53, slide groove; 61, first gear; 62, third connecting plate; 63, second protrusion; 411, first clamping block; 412, clamping groove; 413, second connecting plate; 414, first protrusion; 461, second clamping block. DETAILED DESCRIPTION

[0026] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it, but the embodiments are not intended to limit the present invention.

[0027] Embodiment 1

[0028] Reference Figure 1 and Figure 2 As shown, a phase shifter driving device of the present invention includes: a driving component 1; a transmission component 2, the output end of the driving component 1 is connected to the transmission component 2, and the transmission component 2 includes at least one first output end and at least one second output end; an adjusting component 4, the adjusting component 4 includes a first transmission member 42, a second transmission member 43 and a plurality of racks 5, the first transmission member 42 is movably connected to the first output end, the first transmission member 42 is connected to a movable block 6, the second transmission member 43 is connected to a first gear 61, the movable block 6 is rotationally connected to the first gear 61, the second transmission member 43 is movably connected to the second output end, the first gear 61 is slidingly connected to the second transmission member 43, and the first gear 61 is radially engaged with the second transmission member 43, and the first gear 61 can rotate and mesh with the rack 5.

[0029] In a phase shifter driving device of the present embodiment, the driving component 1 drives the first transmission member 42 and the second transmission member 43 to rotate through the transmission component 2. The rotation of the first transmission member 42 drives the movable block 6 to move. The movable block 6 can drive the first gear 61 to slide along the second transmission member 43, so that the first gear 61 can move to a position meshing with the rack 5. The rotation of the second transmission member 43 drives the first gear 61 to rotate, thereby driving the rack 5 to move. The rack 5 is used to connect with the phase shifting module. The rack 5 moves to achieve phase adjustment. Through the mutual cooperation of the driving component 1, the transmission component 2, the movable block 6 and the first gear 61, the phase shifter driving device can complete the phase adjustment of the phase shifter through a single driving component 1, thereby reducing the overall volume of the phase shifter. At the same time, the phase shifter driving device is divided into three parts: the driving component 1, the transmission component 2 and the adjustment component 4. The three parts can be connected through the transmission member, so that the phase shifter driving device can avoid obstacles according to actual conditions and be flexibly arranged.

[0030] Reference Figure 3 As shown, the driving assembly 1 includes a driving member 11, a second gear 12 and a third gear 13. Specifically, the output end of the driving member 11 is connected to the second gear 12 and the third gear 13 through two connecting shafts, and the driving member 11 can drive the second gear 12 and the third gear 13 to rotate. The second gear 12 and the third gear 13 are both helical gears.

[0031] Reference Figure 4 As shown, the output end of the driving assembly 1 is connected to the transmission assembly 2, and the transmission assembly 2 includes at least one first output end and at least one second output end. The transmission assembly 2 includes a first housing 21, a third transmission member 22 and a fourth gear 23. The second gear 12 and the third gear 13 are both located in the space formed by the first housing 21. The connecting shaft passes through the side wall of the first housing 21 and is rotatably connected to the side wall of the first housing 21. The third transmission member 22 can be regarded as a transmission rod, and the third transmission member 22 is rotatably connected to the side wall of the opposite side of the inner side of the first housing 21. The fourth gear 23 is sleeved on the third transmission member 22, and the fourth gear 23 can drive the third transmission member 22 to rotate. The fourth gear 23 is a helical gear. The second gear 12 at the output end of the driving member 11 is meshed with the fourth gear 23, so that the driving member 11 can drive the third transmission member 22 to rotate, and the end of the third transmission member 22 is the second output end.

[0032] The transmission assembly 2 further includes a fourth transmission member 26, a fifth gear 24, a sixth gear 25 and a seventh gear 27. The third transmission member 22 can be regarded as a transmission rod. The third transmission member 22 is rotatably connected to the side wall of the opposite side of the inner side of the first housing 21, and the second transmission member 43 is located between the third transmission member 22 and the driving member 11. The fifth gear 24 and the sixth gear 25 are both slidably sleeved on the third transmission member 22, that is, the fifth gear 24 and the sixth gear 25 can rotate on the third transmission member 22. The fifth gear 24 is connected to the sixth gear 25, the fifth gear 24 is a helical gear, and the sixth gear 25 is a spur gear. The third gear 13 at the output end of the driving member 11 is meshed with the fifth gear 24, the seventh gear 27 is sleeved on the fourth transmission member 26, the seventh gear 27 can drive the fourth transmission member 26 to rotate, the seventh gear 27 is a spur gear and meshes with the sixth gear 25, so that the driving member 11 can drive the fourth transmission member 26 to rotate. The end of the fourth transmission member 26 is the first output end.

[0033] The adjustment assembly 4 includes a second housing 45, a first transmission member 42 and a second transmission member 43. The first transmission member 42 can be regarded as a lead screw, and the second transmission member 43 can be regarded as a transmission rod. The first transmission member 42 and the second transmission member 43 are both rotatably connected to the side walls on the opposite sides of the inner side of the second housing 45. The first output end is connected to the end of the first transmission member 42 through a coupling 3, and the coupling 3 can be regarded as a universal coupling, so that the first transmission member 42 is movably connected to the first output end. Specifically, the coupling 3 includes a first connecting block 31 connected to the first output end and a second connecting block 35 connected to the second transmission member 43, a connecting rod is connected between the first connecting block 31 and the second connecting block 35, and an articulated block is hinged between the first connecting block 31, the second connecting block 35 and the connecting rod, the first connecting block 31, the second connecting block 35 and the ends of the connecting rod are all connected to the opposite sides of the articulated block, and the line connecting the first connecting block 31 and the articulated position of the articulated block and the line connecting the corresponding end of the connecting rod and the articulated position of the articulated block are perpendicular, the line connecting the second connecting block 35 and the articulated position of the articulated block and the line connecting the corresponding end of the connecting rod and the articulated position of the articulated block are perpendicular, the line connecting the first connecting block 31 and the articulated position of the articulated block and the line connecting the second connecting block 35 and the articulated position of the articulated block are perpendicular, and the line connecting one end of the connecting rod and the articulated position of the articulated block and the line connecting the other end of the connecting rod and the articulated position of the articulated block are perpendicular. The second output end is also connected to the end of the second transmission member 43 through the coupling 3, so that the second transmission member 43 is movably connected to the second output end. The structure and connection method of the coupling 3 are the same as those of the coupling 3 between the first output end and the first transmission member 42, and will not be repeated. The setting of the coupling 3 enables the positions of the adjustment component 4 and the transmission component 2 to be flexibly set. Preferably, the connecting rod includes a first connecting portion 32 and a second connecting portion 34, and the first connecting portion 32 is connected to a slider 33 extending toward the second connecting portion 34, and the slider 33 can be inserted into the second connecting portion 34 and slidably connected to the second connecting portion 34, so that the overall length of the connecting rod can be adjusted, and then the positions of the adjustment component 4 and the transmission component 2 can be more flexibly set. Preferably, the transmission component 2 is connected to two adjustment components 4, that is, both ends of the third transmission member 22 and the fourth transmission member 26 are connected to the adjustment component 4, so that a single drive component 1 can drive two adjustment components 4.

[0034] Reference Figure 5 and Figure 6 As shown, the adjustment assembly 4 also includes a plurality of racks 5 and a through hole 46 for the racks 5 to pass through. The through hole 46 is located on the second shell 45. The side walls on the opposite sides of the racks 5 are provided with a slide groove 53. The side walls of the through hole 46 are provided with a second block 461 that cooperates with the slide groove 53. The setting of the second block 461 can guide the movement of the rack 5.

[0035] Reference Figure 7 and Figure 8As shown, the adjustment assembly 4 also includes a movable block 6 and a first gear 61. The movable block 6 is connected with the first transmission member 42. The first transmission member 42 can drive the movable block 6 to move along the first transmission member 42. The rack 5 is vertically arranged with the first transmission member 42. The second transmission member 43 is arranged in parallel with the first transmission member 42. The first gear 61 is sleeved on the second transmission member 43, and the first gear 61 is rotatably connected with the movable block 6. The first gear 61 is slidably connected with the second transmission member 43, and the first gear 61 is radially engaged with the second transmission member 43, so that the first gear 61 can rotate and mesh with the rack 5. Specifically, the end face of the second transmission member 43 is a regular hexagon, and the central mounting through hole 46 of the first gear 61 is a regular hexagon that matches the second transmission member 43, so that the first gear 61 can move axially along the second transmission member 43 while also being radially engaged with the second transmission member 43, and the second transmission member can drive the first gear 61 to rotate. Preferably, the second housing 45 is also connected to a guide rod 44 , the movable block 6 is slidably connected to the guide rod 44 , the guide rod 44 is arranged parallel to the first transmission member 42 , and the guide rod 44 has a guiding effect on the movement of the movable block 6 .

[0036] The adjustment assembly 4 also includes a snap-in component, which is located on the second housing 45. The snap-in component includes a first connecting plate 41. The connection position between the first connecting plate 41 and the second housing 45 is in an arc shape, so that the connection position between the first connecting plate 41 and the second housing 45 can be bent, and the end of the first connecting plate 41 away from the second housing 45 can swing slightly. The rack 5 is provided with a first gear 51 and a second gear 52. The first gear 61 meshes with the first gear 51, and the second gear 52 is located on both sides of the first gear 51. The first connecting plate 41 is connected to a first clamping block 411 extending toward the rack 5. The end of the first clamping block 411 is provided with a clamping groove 412, which can mesh with the second gear 52. The setting of the first clamping block 411 makes the rack 5 in a locked state when it does not need to move. The clamping member also includes a second connecting plate 413, which is connected to one end of the first connecting plate 41 away from the second housing 45, and is provided with a first protrusion 414 extending in the direction of the rack 5. The top of the movable block 6 is connected to a third connecting plate 62, and the third connecting plate 62 is provided with a second protrusion 63 extending in the direction away from the rack 5. During the movement of the movable block 6, the first protrusion 414 can abut against the second protrusion 63, so that the connection position between the first connecting plate 41 and the second housing 45 is bent, the first clamping block 411 moves in the direction away from the rack 5, the clamping groove 412 is disengaged from the second gear 52, and the rack 5 is in a movable state. Preferably, the first protrusion 414 and the second protrusion 63 are both provided with guiding inclined surfaces along the moving direction of the movable block 6.

[0037] When in use, the driving member 11 drives the first transmission member 42 to rotate, thereby driving the movable block 6 to move, and the movable block 6 drives the first gear 61 to slide along the second transmission member 43, so that the first gear 61 can move to a position engaged with the rack 5. At this time, the first protrusion 414 and the second protrusion 63 abut against each other, so that the rack 5 is in a movable state, and then the driving member 11 drives the second transmission member 43 to rotate, thereby driving the first gear 61 to rotate, and then driving the rack 5 to move, realizing phase adjustment. After the adjustment is completed, the movable block 6 returns to the origin, and the slot 412 re-engages with the second gear teeth 52, so that the rack 5 is in a locked state.

[0038] Embodiment 2

[0039] This embodiment provides a phase shifter, including the phase shifter driving device in embodiment 1, and also including a phase shifting module, the phase shifter driving device is connected to the phase shifting module. The two ends of the rack 5 of the phase shifter driving device are respectively connected to a connecting rod and a scale, and the connecting rod is connected to the phase shifting module.

[0040] Embodiment 3

[0041] This embodiment provides an antenna, including the phase shifter in the second embodiment.

[0042] A phase shifter driving device, a phase shifter and an antenna of the present invention, through the cooperation of a driving component 1, a transmission component 2, a movable block 6 and a first gear 61, the phase shifter driving device can complete the phase adjustment of multiple phase shifters through a single driving component 1, so that the overall volume of the phase shifter driving device is smaller, and the phase shifter driving device as a whole is divided into three parts: a driving component 1, a transmission component 2 and an adjustment component 4, wherein the transmission component 2 and the adjustment component 4 are connected by a transmission member, so that the position of the adjustment component 4 can be flexibly placed in a certain range of 3D space, and one or two adjustment components 4 can be set, and the driving component 1 can drive two adjustment components 4 to work simultaneously through the transmission component 2. Through the cooperation of the first protrusion 414 and the second protrusion 63, and the meshing of the slot 412 and the second gear 52, the rack 5 can be switched between a movable state and a locked state.

[0043] Obviously, the above embodiments are merely examples for clear explanation and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from these are still within the protection scope of the invention.

Claims

1. A phase shifter driving device, characterized in that: include: Drive components; A transmission assembly, the output end of the driving assembly is connected to the transmission assembly, and the transmission assembly includes at least one first output end and at least one second output end; An adjusting component, wherein the adjusting component includes a first transmission member, a second transmission member and a plurality of racks, the first transmission member is movably connected to the first output end, the first transmission member is connected to a movable block, the second transmission member is connected to a first gear, the movable block is rotationally connected to the first gear, the second transmission member is movably connected to the second output end, the first gear is slidingly connected to the second transmission member, and the first gear is radially clamped to the second transmission member, and the first gear can rotate and mesh with the rack.

2. The phase shifter driving device according to claim 1, characterized in that: The driving assembly includes a driving member, a second gear and a third gear. The output end of the driving member is connected to the second gear and the third gear. The second gear and the third gear are both connected to the transmission assembly.

3. The phase shifter driving device according to claim 1, characterized in that: The transmission assembly also includes a third transmission member and a fourth gear. The fourth gear is sleeved on the third transmission member. The output end of the drive assembly is meshed with the fourth gear. The end of the third transmission member is the second output end.

4. The phase shifter driving device according to claim 3, characterized in that: The transmission assembly also includes a fourth transmission member, a fifth gear, a sixth gear and a seventh gear. The fifth gear and the sixth gear are slidably mounted on the third transmission member. The output end of the drive assembly is meshed with the fifth gear. The fifth gear is connected to the sixth gear. The seventh gear is sleeved on the fourth transmission member. The sixth gear is meshed with the seventh gear. The end of the fourth transmission member is the first output end.

5. The phase shifter driving device according to claim 1, characterized in that: The adjustment assembly also includes a clamping member, which includes a first connecting plate. The rack is provided with a first gear tooth and a second gear tooth. The first gear is meshed with the first gear tooth. The first connecting plate is connected to a first clamping block extending toward the rack. A clamping groove is provided at the end of the first clamping block, and the clamping groove can be meshed with the second gear tooth.

6. The phase shifter driving device according to claim 5, characterized in that: The clamping member also includes a second connecting plate, which is connected to the first connecting plate, and the second connecting plate is provided with a first protrusion extending toward the rack. The movable block is connected to a third connecting plate, and the third connecting plate is provided with a second protrusion extending away from the rack. The first protrusion can be abutted against the second protrusion.

7. The phase shifter driving device according to claim 1, characterized in that: The adjustment assembly also includes a through hole for the rack to pass through, the rack is provided with a slide groove, and the side wall of the through hole is provided with a second clamping block that cooperates with the slide groove.

8. The phase shifter driving device according to claim 1, characterized in that: The first output end is connected to the first transmission member via a coupling, and the coupling includes a first connecting block connected to the first output end and a second connecting block connected to the first transmission member, a connecting rod is connected between the first connecting block and the second connecting block, and hinged blocks are hinged between the first connecting block, the second connecting block and the connecting rod.

9. A phase shifter, comprising a phase shifting module and the phase shifter driving device according to any one of claims 1 to 8, characterized in that: The phase shifter driving device is connected to the phase shifting module.

10. An antenna comprising the phase shifter according to claim 9.

Images