CN110838623B - Electrically tunable antenna - Google Patents
Electrically tunable antenna Download PDFInfo
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- CN110838623B CN110838623B CN201911144856.5A CN201911144856A CN110838623B CN 110838623 B CN110838623 B CN 110838623B CN 201911144856 A CN201911144856 A CN 201911144856A CN 110838623 B CN110838623 B CN 110838623B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/30—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
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Abstract
The invention relates to the field of mobile communication base station antennas, and discloses an electrically tunable antenna which comprises a synchronous phase-shifting transmission mechanism; the synchronous phase-shifting transmission mechanism comprises at least one connecting plate; any connecting plate is connected with a plurality of phase shifters simultaneously, and the connecting plate is connected with a driving structure, and the driving structure is used for driving the connecting plate to move back and forth along a straight line. The electrically tunable antenna provided by the invention is provided with the same connecting plate which is connected with the plurality of phase shifters, so that the plurality of phase shifters can be effectively driven to synchronously move and adjust; the plate-shaped characteristic of the connecting plate can reduce the space required by transmission, and has more advantages in thickness space; the transmission mechanism is simple, so that the transmission precision and consistency of the electrically-tuned antenna are high, the motion synchronism of the multi-phase shifter is good, and the trend of light and thin antenna is better met.
Description
Technical Field
The invention relates to the field of mobile communication base station antennas, in particular to an electrically tunable antenna.
Background
In order to meet the future demand of high-speed mobile broadband communication, the performance advantages of the fifth generation cellular mobile communication-5G, such as high data rate, small delay, energy saving, and high system capacity, have become the inevitable trend of mobile communication development. In order to further improve the application universality and matching performance of the 5G base station system, the large-scale radiating element array of the 5G base station antenna needs to realize the adjustment of the electrical downtilt.
However, in order to realize the adjustment of the electrical downtilt angle, the 5G base station antenna needs a plurality of phase shifters to perform synchronous adjustment, and because the 5G base station antenna has high use frequency, the phase shifters are more sensitive to adjust, and the requirements on the required accuracy and consistency of electrical tuning are higher. And the 5G base station antenna is added with a plurality of phase shifters and transmission devices, which will inevitably increase the weight and thickness direction of the antenna, so that the 5G electrically tunable antenna not only needs to realize the phase shifting consistency, synchronization and precision of the plurality of phase shifters, but also needs to realize the lightness and thinness of the product so as to meet the communication requirement of 5G, and the difficult problem to be solved by the technical personnel in the field is urgently needed.
Disclosure of Invention
The embodiment of the invention provides an electric tilt antenna, which is used for solving or partially solving the problems that the phase shifting consistency, the synchronization and the precision of a plurality of phase shifters of the conventional electric tilt antenna are poor and the development trend of light weight and thinness cannot be met.
The embodiment of the invention provides an electrically tunable antenna, which comprises a synchronous phase-shifting transmission mechanism; the synchronous phase-shifting transmission mechanism comprises at least one connecting plate; any one connecting plate is connected with a plurality of phase shifters simultaneously, and the connecting plate is connected with a driving structure which is used for driving the connecting plate to move back and forth along a straight line.
On the basis of the scheme, the synchronous phase-shifting transmission mechanism further comprises a guide structure; the guide structure comprises at least one guide post, the guide post is perpendicular to the connecting plate, at least one guide hole is formed in the connecting plate along the moving path direction, and the guide post correspondingly penetrates through the guide hole.
On the basis of the scheme, the side wall of the guide column is provided with a convex edge structure, the convex edge structure comprises a first convex edge, and the first convex edge is connected with one side of the edge of the guide hole.
On the basis of the scheme, the convex edge structure further comprises a second convex edge, the second convex edge and the first convex edge are arranged at intervals along the axial direction of the guide post, and the second convex edge is connected with the other side of the edge of the guide hole.
On the basis of the scheme, the phase shifter comprises a body and an adjusting body, the connecting plate is connected with the adjusting body, and hollow holes are formed in the connecting plate at positions other than the position corresponding to the adjusting body.
On the basis of the scheme, the body is positioned on the periphery of the connecting plate or in the hollow hole, so that the connecting plate is positioned in the height range of the phase shifter.
On the basis of the scheme, a plurality of connecting plates are vertically stacked, and different connecting plates are correspondingly connected with phase shifters in different frequency bands or different connecting plates are correspondingly connected with multilayer phase shifters.
On the basis of the scheme, at least one guide column sequentially penetrates through a plurality of guide holes in the connecting plates at the upper and lower overlapped parts of the connecting plates, and the convex edge structures are arranged at the positions, corresponding to the connecting plates, of the guide columns.
On the basis of the scheme, the device further comprises a feed calibration structure; the feed calibration structure comprises a first power division coupling plate, a reflecting plate and a second power division coupling plate which are sequentially attached and stacked, and the first power division coupling plate is in feed connection with the second power division coupling plate; the synchronous phase shifting transmission mechanism and the phase shifter are fixed on the second power division coupling plate, and the phase shifter is connected with the second power division coupling plate in a feed mode.
On the basis of the above scheme, the antenna further includes a plurality of radiating element arrays, any one of the radiating element arrays corresponds to one phase shifter, any one of the radiating element arrays includes a plurality of radiating elements, and the radiating elements are fixed to the first power division coupling plate and are in feed connection with the first power division coupling plate.
According to the electrically tunable antenna provided by the embodiment of the invention, the same connecting plate is arranged to be connected with the plurality of phase shifters, so that the plurality of phase shifters can be effectively driven to synchronously move and adjust, the connecting structure has better strength, the forming process is simple, the cost is lower, and the assembly is simpler; the plate-shaped characteristic of the connecting plate can reduce the space required by transmission, and has more advantages in thickness space; the transmission mechanism is simple, so that the transmission precision and consistency of the electrically-tuned antenna are high, the motion synchronism of the multi-phase shifter is good, and the trend of light and thin antenna is better met.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a synchronous phase shift transmission mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of the connection between the guiding structure and the connecting plate according to the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a single-layer connecting plate of the electric tuning antenna in the embodiment of the invention;
fig. 4 is an exploded view of a structure of a single-layer connecting plate of the electric tuning antenna in the embodiment of the invention;
FIG. 5 is a schematic diagram of a double-layer connecting plate according to an embodiment of the present invention;
FIG. 6 is an exploded view of a double-layer connection board according to an embodiment of the present invention;
FIG. 7 is a schematic view of the connection between the guiding structure and the double-layer connecting plate according to the embodiment of the present invention;
fig. 8 is a schematic structural diagram of a double-layer connecting plate arranged on an electric tilt antenna in the embodiment of the present invention;
fig. 9 is an exploded view of a structure of a double-layer connecting plate provided in an electric tilt antenna according to an embodiment of the present invention;
FIG. 10 is a schematic diagram of the arrangement of cross-bar bits according to an embodiment of the present invention;
FIG. 11 is a schematic view of the arrangement of the hem in an embodiment of the invention.
Description of reference numerals:
100, a radiating element array; 101. a radiating element; 200. a feed calibration mechanism; 201. a first power dividing coupling plate; 202. a reflective plate; 203. a second power dividing coupling plate; 301. a body; 302. an adjuster; 401. a connecting plate; 401a, hollowing out holes; 401b, a guide hole; 401c, avoiding holes; 401d, avoiding a position groove; 401e, horizontal and vertical rib positions; 401f, crossing rib positions; 401g, folding edges; 402. a guide structure; 402a, guide posts; 402b, a first convex edge; 402c, a second convex edge; 402d, third ledge; 403. a screw; 404. a nut; 405. and (4) a guide rod.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention provides an electric tilt antenna, which comprises a synchronous phase-shifting transmission mechanism; referring to fig. 1, the synchronous dephasing drive comprises at least one connecting plate 401; any connecting plate 401 is connected with a plurality of phase shifters simultaneously, and the connecting plate 401 is connected with a driving structure for driving the connecting plate 401 to move back and forth along a straight line.
The electrically tunable antenna provided by the embodiment is provided with the synchronous phase shifting transmission mechanism for synchronous movement transmission of a plurality of phase shifters. By arranging the connecting plate 401, a plurality of phase shifters can be connected at the same time and power can be transmitted to enable the plurality of phase shifters to generate linear motion, wherein the plurality of phase shifters can be in the same frequency band. The connection plate 401 has an integrated plate-like structure.
According to the electrically tunable antenna provided by the embodiment, the same connecting plate 401 is connected with the plurality of phase shifters, so that the plurality of phase shifters can be effectively driven to synchronously move and adjust, the connecting structure is better in strength, the forming process is simple, the cost is lower, and the assembly is simpler; the plate-shaped feature of the connecting plate 401 can reduce the space required by transmission, and has more advantages in thickness space; the transmission mechanism is simple, so that the transmission precision and consistency of the electrically-tuned antenna are high, the motion synchronism of the multi-phase shifter is good, and the trend of light and thin antenna is better met.
On the basis of the above embodiment, further, the synchronous phase shift transmission mechanism further includes a guiding structure 402; the guiding structure 402 comprises at least one guiding column 402a, the guiding column 402a is perpendicular to the connecting plate 401, at least one guiding hole 401b is arranged on the connecting plate 401 along the moving path direction, and the guiding column 402a correspondingly penetrates through the guiding hole 401 b.
Pass connecting plate 401 through setting up guide post 402a, spacing the removal of connecting plate 401, guarantee that connecting plate 401 removes along predetermineeing the route, prevent the skew to guarantee to move the precision of looks ware regulation. A plurality of guide holes 401b may be provided in the connection plate 401, and the plurality of guide holes 401b may be distributed at different portions of the connection plate 401. The plurality of guide holes 401b are arranged in parallel, and the parallel direction of the guide holes 401b is consistent with the linear motion direction of the connecting plate 401, so that the connecting plate 401 can stably move with high linearity. A plurality of guide posts 402a are also arranged, and the guide posts 402a are movably connected with the guide holes 401b in a one-to-one corresponding mode, so that stable linear motion of the connecting plate 401 is guaranteed, and direction accuracy is improved. The guide post 402a is fixedly disposed and remains stationary while the link plate 401 moves, thereby serving as a guide.
On the basis of the above embodiment, further, referring to fig. 2, the side wall of the guiding column 402a is provided with a convex edge structure, the convex edge structure includes a first convex edge 402b, and the first convex edge 402b is connected with one side of the edge of the guiding hole 401 b; supporting the connection plate 401. The first protruding edge 402b may support and fix the connection plate 401. The connection plate 401 can be fixed at any height of the guide post 402a by the first flange 402 b. The flexibility of the arrangement of the connection plate 401 is improved.
On the basis of the above embodiment, further, the protruding edge structure further includes a second protruding edge 402c, the second protruding edge 402c is spaced from the first protruding edge 402b along the axial direction of the guiding column 402a, and the second protruding edge 402c is connected to the other side of the edge of the guiding hole 401 b. The second convex edge 402c and the first convex edge 402b are located on two sides of the connecting plate 401, and the second convex edge and the first convex edge are matched to perform better fixing and limiting on the connecting plate 401.
Protruding edges are arranged on two sides of the connecting plate 401, the edge of the guide hole 401b can be inserted between the first protruding edge 402b and the second protruding edge 402c, the connecting plate 401 can be limited and fixed on two sides, the connecting plate 401 can be prevented from being separated from the guide post 402a from one end of the guide post 402a, the antenna can be adapted to overturning and rotating, and the connecting plate 401 can be supported and limited firmly and stably.
The guiding structure 402 includes a guiding column 402a in a column structure and two or more convex edges, i.e., a first convex edge 402b and a second convex edge 402 c; the first convex edge 402b and the second convex edge 402c are arranged in parallel, a certain distance is reserved between the first convex edge 402b and the second convex edge 402c, and the first convex edge 402b, the second convex edge and the side wall of the guide column 402a form an open polygon-shaped structure. The open, somewhat sub-shaped configuration engages the side walls of the guide post 402a to grip the edges of the guide hole 401 b. It can not only hold a single side; preferably, the same convex edges can be arranged on the two opposite sides of the guide post 402a, so that the clamping can be carried out symmetrically, and the effect is better.
According to different directions of the antenna, the first convex edge 402b can be used for supporting, the second convex edge 402c and the guide post 402a can be used for limiting, and a certain gap is reserved between the edge of the guide hole 401b and the first convex edge 402b and the second convex edge 402c to ensure that the connecting plate 401 can smoothly slide; the second protruding edge 402c may be used for supporting, and the first protruding edge 402b and the guiding column 402a may be used for limiting. The guide holes 401b on the connecting plate 401 are movably connected with the corresponding guide posts 402a in a matching manner, so that the transmission mechanism can stably move in a straight line without being inclined.
On the basis of the above embodiments, further, referring to fig. 3 and fig. 4, the phase shifter includes a body 301 and an adjustment body 302, a connection plate 401 is connected to the adjustment body 302, and the connection plate 401 is provided with a hollow hole 401a at a position other than a position corresponding to the adjustment body 302. The body 301 of the phase shifter can be fixedly arranged and adjusted by driving the adjusting body 302 to move.
The shape and size of the connection plate 401 are set according to the distribution arrangement of the phase shifters, and it is sufficient to connect to the adjustment body 302 of each phase shifter. The connecting plate 401 is provided with a connecting positioning hole at a position corresponding to the adjusting body 302 of the phase shifter, and the adjusting body 302 is fixedly connected with the connecting plate 401 at the connecting positioning hole.
The connection positioning hole of the connection plate 401 can be reserved, and the other part of the connection plate 401, which is not required to be connected with the phase shifter, is provided with a hollow hole 401 a. The hollow hole 401a is a through hole penetrating the connection plate 401. The connecting plate 401 is provided with a hollow hole 401a, and after the connecting plate 401 is hollow as shown in fig. 1, the connecting plate 401 forms a plurality of horizontal and vertical rib positions 401e, that is, the connecting positioning hole and the guide structure 402 are arranged on the horizontal and vertical rib positions 401 e.
The hollow holes 401a are mainly used for cutting off materials as much as possible when the connecting plate 401 meets the strength, so that the weight of the connecting plate 401 can be reduced, and the connecting plate 401 can avoid an antenna or parts in equipment in the moving process.
Further, if there are other components in the antenna or the device interfering with the horizontal and vertical ribs 401e, the horizontal and vertical ribs 401e may be provided with corresponding avoiding holes 401c or avoiding slots 401d to avoid interference during movement. The positions, number, size and shape of the avoidance holes 401c and the avoidance slots 401d can be set as required, but the length thereof is necessarily greater than or equal to the limit movement stroke of the phase shifter plus the dimension of the required avoidance part in the length direction.
On the basis of the above embodiments, further, referring to fig. 3 and 4, the body 301 is located at the periphery of the connection plate 401 or in the hollow hole 401a, so that the connection plate 401 is located within the height range of the phase shifter. I.e., horizontal and vertical rib locations 401e of connecting plate 401 are interspersed between the arrays of phase shifters. The connection plate 401 may be fixed at any height within the height range of the guide post 402a by the first and second flanges 402b and 402c of the guide post 402 a. The connection plate 401 is also located within the height of the phase shifter, i.e. between the top and bottom of the phase shifter.
Connecting plate 401 is through setting up fretwork hole 401a, still can be convenient for realize that connecting plate 401 alternates and set up between moving the looks ware to make connecting plate 401 be located the height within range who moves the looks ware, make and need not to increase extra thickness installation space again, reduce occupation space, be favorable to the miniaturization of antenna.
On the basis of the above embodiment, further, a plurality of connection boards 401 are stacked up and down, and different connection boards 401 are correspondingly connected with phase shifters of different frequency bands or different connection boards 401 are correspondingly connected with multilayer phase shifters.
The phase shifters for different frequency bands can be controlled and adjusted through different connection boards 401. I.e. phase shifters for each frequency band are connected to one connection board 401. Or the multilayer phase shifters in the same frequency band can be controlled and adjusted through different connection boards 401. I.e. one connection board 401 is connected to each layer of phase shifters. Providing multiple connection boards 401 may be suitable for adjusting phase shifters of a multi-frequency antenna or adjusting multilayer phase shifters. The plurality of connecting plates 401 are stacked, so that the space required for mounting in the length and width directions can be reduced, and the miniaturization development of the antenna is facilitated.
The connecting plates 401 can be arranged to be two layers or more than two layers, so that the connecting plates 401 at different layers can be arranged to move synchronously or independently relatively, the problem that two or more layers of phase shifters are arranged and the transmission problem that the phase shifters are more can be solved, and the problem that the phase shifters of two-frequency or multi-frequency electrically-tunable antennas need to be controlled independently relatively can be solved.
For a multi-frequency antenna, different frequency bands correspond to multiple groups of phase shifters. One connection board 401 may be connected for each group of phase shifters. Referring to fig. 5 and 6, a plurality of connection plates 401 may be disposed up and down, and the plurality of connection plates 401 may be all located within a height range of the phase shifter. For multilayer shifters, each layer of shifters may be connected to one connection board 401, with the connection board 401 of each layer being located within the height of the layer of shifters.
Further, referring to fig. 8 and 9, the phase shifters are generally fixed by the reflection plate 202, and for different frequency bands, multiple sets of phase shifters are located at different positions on the reflection plate 202, and there is a cross between the multiple sets of phase shifters. Therefore, the plurality of connection plates 401 are not stacked exactly one above the other, but are offset to accommodate the positions of different groups of phase shifters.
When different connection boards 401 are correspondingly connected with phase shifters of different frequency bands, each connection board 401 can be connected with a driving structure respectively to perform independent control and adjustment. When different connecting plates 401 correspond to and link to each other with the multilayer phase shifter of the single-frequency electrically tunable antenna, a plurality of connecting plates 401 can be fixedly connected and link to each other with same drive structure to carry out synchronous control and regulation.
When a plurality of connecting plates 401 are arranged, each connecting plate 401 is inserted between the phase shifters, the hollow holes 401a on the connecting plates 401 can be arranged according to specific arrangement conditions, and the specific positions of the hollow holes 401a are convenient for being connected with the phase shifters, so that limitation is not required.
On the basis of the above embodiment, further, referring to fig. 8 and 9, at least one guide post 402a sequentially passes through the guide holes 401b of the plurality of connecting plates 401 at the position where the plurality of connecting plates 401 overlap up and down, and the guide post 402a is provided with a protruding edge structure at a position corresponding to each connecting plate 401. That is, the guide post 402a can be shared at the vertically overlapped portion of the plurality of link plates 401. Specifically, all the guide posts 402a may be shared at the overlapping portion, or some of the guide posts 402a may be shared. At the common guide post 402a, the guide holes 401b of the plurality of connection plates 401 should correspond up and down so that the common guide post 402a can pass through the plurality of connection plates 401 in sequence.
The connecting plates 401 can be arranged to be two layers or more than two layers, so that the connecting plates 401 at different layers can be arranged to move synchronously or independently relatively, the problem that two or more layers of phase shifters are arranged and the transmission problem that the phase shifters are more can be solved, and the problem that the phase shifters of two-frequency or multi-frequency electrically-tunable antennas need to be controlled independently relatively can be solved.
The multi-layer connecting plate 401 of this embodiment can share the guide structure 402 at the overlapping position, and only one or more groups of convex edges are added on the side wall of the guide column 402a to form a supporting, holding and guiding form for the multi-layer connecting plate 401. As shown in fig. 7, when two layers of connection plates 401 are disposed, a third convex edge 402d may be additionally disposed on the basis of the first convex edge 402b and the second convex edge 402c, and the three convex edges form two zigzag spaces for supporting and limiting the two connection plates 401. The scheme has the great advantage of saving space when dealing with the problem of synchronous motion of the multi-layer phase shifter of the single-frequency electric tilt antenna or the relative independent motion of the multi-group phase shifter of the multi-frequency electric tilt antenna.
On the basis of the above embodiments, further, referring to fig. 1, the connection plate 401 is provided with an avoiding hole 401c and/or an avoiding groove 401 d; referring to fig. 10, a hollow hole 401a of the connection plate 401 is provided with a cross rib 401 f; referring to fig. 11, the edge of the connection plate 401 and/or the edge of the hollowed-out hole 401a is provided with a folded edge 401 g.
After the connecting plate 401 is hollowed, cross rib positions 401f can be arranged in the hollowed holes 401a, so that the cross rib positions 401f are generated on the connecting plate 401, and the strength of the connecting plate 401 can be further improved by the cross rib positions 401 f. After the connecting plate 401 is hollowed out, the edge of the connecting plate 401 and the edge of the hollowed hole 401a are selectively provided with the enhanced folded edge 401g, and the folded edge 401g can better enhance the structural strength of the transverse and vertical rib positions.
On the basis of the above embodiment, further, referring to fig. 3 and fig. 4, the electrical tilt antenna further includes a feed calibration structure 200; the feed calibration structure 200 comprises a first power division coupling plate 201, a reflecting plate 202 and a second power division coupling plate 203 which are sequentially attached and stacked, wherein the first power division coupling plate 201 is in feed connection with the second power division coupling plate 203; the synchronous phase shift transmission mechanism and the phase shifter are fixed on the second power division coupling plate 203, and the phase shifter is connected with the second power division coupling plate 203 through feed.
On the basis of the above embodiment, further, an electrical tilt antenna further includes a plurality of radiating element arrays 100, where any radiating element array 100 corresponds to one phase shifter, and any radiating element array 100 includes a plurality of radiating elements 101, where the radiating elements 101 are fixed to the first power division coupling plate 201 and are in feed connection with the first power division coupling plate 201. The phase shifters are electrically connected to the radiating element arrays 100 in a one-to-one correspondence.
On the basis of the foregoing embodiments, further, an object of the present embodiment is to provide an electrically tunable antenna, which is mainly suitable for a situation that there are many phase shifters in a same frequency band of a 5G electrically tunable antenna, and is used to solve the problem that the phase shifting consistency, synchronization and precision of multiple phase shifters of the current 5G electrically tunable antenna are poor, and cannot meet the trend of light and thin development.
This embodiment provides a 5G electricity accent antenna, refer to fig. 3 and fig. 4, and this 5G electricity accent antenna includes: a feed calibration structure 200, a plurality of radiating element arrays 100, a phase shifter and a synchronous phase shifting transmission mechanism; the feed calibration structure 200 comprises a first power distribution coupling plate 201, a reflecting plate 202 and a second power distribution coupling plate 203 which are sequentially attached, stacked and fixedly arranged, and the first power distribution coupling plate 201 is in feed connection with the second power distribution coupling plate 203; the radiation element array 100 includes a plurality of radiation elements 101, the radiation elements 101 are fixed on the first power division coupling plate 201, and are in feed connection with the first power division coupling plate 201; the phase shifter comprises a phase shifter body 301 and a phase shifter adjusting body 302, the body 301 is in feed connection with the second power dividing coupling plate 203, and when the adjusting body 302 slides relative to the body 301, the phase difference of a control unit of the phase shifter can be adjusted.
The synchronous phase shifting transmission mechanism comprises a connecting plate 401 and a guide structure 402, wherein the connecting plate 401 is used for connecting a plurality of phase shifters and transmitting power to enable the phase shifters to generate linear motion, the guide structure 402 is used for supporting and limiting the connecting plate 401, and the connecting plate 401 is of an integrated hollow plate-shaped structure; two or more than two guide holes 401b are arranged on the connecting plate 401, the guide holes 401b are arranged in parallel, and the parallel direction of the guide holes 401b is consistent with the moving direction of the connecting plate 401. A hollow hole 401a is arranged on the connecting plate 401; the connecting plate 401 may optionally be provided with a reinforced flange at the edge and at the edge of the hollow-out hole 401 a.
The synchronous phase shifting transmission mechanism further comprises a plurality of guide structures 402 which correspond to the guide holes 401b one to one and are used for limiting the movement direction of the connecting plate 401. The guiding structure 402 comprises a guiding column 402a and two or more convex edges; the protruding edges are arranged in parallel, and the protruding edges and the side walls of the guide posts 402a form open sub-shaped structures, and the open sub-shaped structures clamp the edges of the guide holes 401 b. The plurality of guide holes 401b on the connecting plate 401 are movably connected with the corresponding plurality of guide structures 402 in a matching manner, so that the connecting plate 401 can stably move in a straight line without being inclined.
The transmission mechanism is used for realizing connection and transmission among the 5G electrically-tunable antenna multi-row and multi-column phase shifters, and the guide posts 402a are movably connected with the guide holes 401b and ensure stable linear motion of the connecting plate 401. Aiming at the electric downtilt control of the multi-array 5G antenna, the transmission mechanism of the embodiment is simpler, and has higher transmission precision and consistency, thereby better meeting the trend of the light and thin 5G antenna.
Further, the transmission mechanism is not only suitable for the phase shifters arranged in multiple rows and multiple columns, but also suitable for the phase shifters arranged in any other arrangement mode, and the size, shape and size of the connecting plate 401 and the specific arrangement of the hollow holes 401a can be flexibly arranged according to actual needs. The transmission mechanism is also suitable for 5G electrically-tunable antennas and is suitable for any application environment requiring synchronous movement adjustment of a plurality of phase shifters.
Further, the driving structure may be any component capable of providing a linear movement driving force and controlling the movement distance, and may be, for example, a linear air cylinder. Referring to fig. 1, 5 and 6, a screw 403 and a nut 404 may also be provided, specifically including a screw 403, a nut 404 and a guide rod 405; the nut 404 is in threaded connection with the screw 403, and the nut 404 is movably connected with the guide rod 405 and fixedly connected with the connecting plate 401. Because the nut 404 is movably connected with the guide rod 405, the nut 404 can be limited to rotate, so that the nut 404 can only move linearly. When the control input power drives the screw 403 to rotate, the screw 403 and the nut 404 rotate relatively, and the threaded connection can push the nut 404 to move linearly.
Thus, the input power drives the screw 403 to rotate, which in turn drives the nut 404, the connecting plate 401, and the adjustment body 302 to reciprocate linearly. And then the phase difference of the control unit of the phase shifter is adjusted, the electric downtilt of the 5G electrically-tunable antenna is further adjusted, and the adjustment control of the antenna beam direction is realized.
The working principle of the transmission mechanism is as follows: the connection board 401 is provided with a connection location hole or a connection location notch connected with the phase shifter, and is fixedly connected with a plurality of phase shifters to be moved through the connection location hole or the connection location notch, including but not limited to the phase shifters that can be arranged and connected in a plurality of rows and columns. When power is input to the transmission mechanism, the transmission mechanism drives all the connected phase shifters to synchronously and stably move linearly due to the support and the limit of the guide structures 402.
According to the 5G electrically tunable antenna provided by the embodiment, the connection plate 401 has the integrally formed characteristic that the strength of the connection plate 401 is better, the forming process is simple and the cost is lower, the assembly is simpler, and the manufacturing cost is reduced; the hollow-out characteristics of the connecting plate 401 can better realize avoiding in the movement process and can be used for reducing weight under the condition of meeting the strength; the required space of connecting plate 401 platelike characteristic can attenuate the transmission, needs the multiunit transmission to the 5G electricity accent antenna of dual-frenquency or multifrequency, and connecting plate 401 can set up the multilayer then, has more the advantage in the thickness space.
Two or more than two parallel guide holes 401b are arranged on the connecting plate 401, the guide structures 402 are movably connected with the guide holes 401b and ensure that the connecting plate 401 moves stably and linearly, and the plurality of parallel guide structures 402 can ensure that the connecting plate 401 moves more stably and the direction precision is higher. Aiming at the control of the electrical downtilt of the multi-array 5G antenna, the transmission mechanism of the embodiment is simpler, so that the transmission precision and consistency of the 5G electrically-tuned antenna are higher, the motion synchronism of the multi-phase shifter is better, and the trend of the light and thin 5G antenna is better met.
The electrically-tunable antenna can drive the phase shifter to selectively do reciprocating linear motion through power input, so that the phase difference of the radiation element array is adjusted, and the downward inclination angle of the antenna is adjusted. This transmission scheme not only realizes 5G electricity accent antenna moves the looks ware more and adjusts, still because of its transmission connecting plate 401's fretwork, platelike and many connection characteristics, very do benefit to the frivolous trend of 5G electricity accent antenna.
The transmission mechanism can realize the connection and transmission of the multi-phase shifter of the 5G electrically-tuned antenna, has small occupied space, particularly small occupied size in the thickness direction, and is very favorable for the light and thin, cost reduction and layout requirements of the 5G electrically-tuned antenna; meanwhile, through the transmission mechanism, the transmission precision and consistency of the phase shifter of the 5G electrically-tunable antenna are higher, and the motion synchronism of the multiple phase shifters is better.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. An electrically tunable antenna is characterized by comprising a synchronous phase-shifting transmission mechanism; the synchronous phase-shifting transmission mechanism comprises at least one connecting plate; any one connecting plate is simultaneously connected with a plurality of phase shifters, and is connected with a driving structure which is used for driving the connecting plate to linearly reciprocate;
the connecting plates are vertically stacked, and different connecting plates are correspondingly connected with phase shifters of different frequency bands or different connecting plates are correspondingly connected with multilayer phase shifters;
for a multi-frequency antenna, different frequency bands correspond to a plurality of groups of phase shifters; a plurality of groups of phase shifters in different frequency bands are positioned at different positions of the reflecting plate; one connection plate may be connected to each group of phase shifters; the plurality of connecting plates are arranged up and down, and each connecting plate is positioned in the height range of the layer of phase shifter;
the phase shifter comprises a body and an adjusting body, the connecting plate is connected with the adjusting body, and the body is connected with the power distribution coupling plate in a feeding mode, so that when the adjusting body slides relative to the body, the phase difference of a control unit of the phase shifter can be adjusted.
2. The electrically tunable antenna according to claim 1, wherein the synchronous phase shifting transmission mechanism further comprises a guide structure; the guide structure comprises at least one guide post, the guide post is perpendicular to the connecting plate, at least one guide hole is formed in the connecting plate along the moving path direction, and the guide post correspondingly penetrates through the guide hole.
3. The electrically tunable antenna according to claim 2, wherein a convex edge structure is provided on a side wall of the guide post, the convex edge structure includes a first convex edge, and the first convex edge is connected to one side of an edge of the guide hole.
4. The electrically tunable antenna according to claim 3, wherein the protruding edge structure further includes a second protruding edge, the second protruding edge and the first protruding edge are disposed at an interval in the axial direction of the guide post, and the second protruding edge is connected to the other side of the edge of the guide hole.
5. The electrically tunable antenna according to any one of claims 1 to 4, wherein the connecting plate is provided with a hollow hole at a position other than a position corresponding to the adjustment body.
6. The electrically tunable antenna according to claim 5, wherein the body is located at the periphery of the connecting plate or in the hollowed-out hole, so that the connecting plate is located within the height range of the phase shifter.
7. The electrically tunable antenna according to claim 3, wherein at least one of the guiding posts sequentially passes through guiding holes of the plurality of connecting plates at a position where the plurality of connecting plates coincide with each other, and the guiding post is provided with the protruding edge structure at a position corresponding to each of the connecting plates.
8. The electrically tunable antenna of claim 1, further comprising a feed calibration structure; the feed calibration structure comprises a first power division coupling plate, a reflecting plate and a second power division coupling plate which are sequentially attached and stacked, and the first power division coupling plate is in feed connection with the second power division coupling plate; the synchronous phase shifting transmission mechanism and the phase shifter are fixed on the second power division coupling plate, and the phase shifter is connected with the second power division coupling plate in a feed mode.
9. The electrical tilt antenna according to claim 8, further comprising a plurality of radiating element arrays, wherein any one of the radiating element arrays corresponds to one phase shifter, and any one of the radiating element arrays includes a plurality of radiating elements, and the radiating elements are fixed to the first power division coupling plate and are in feed connection with the first power division coupling plate.
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| WO2023132715A1 (en) * | 2022-01-07 | 2023-07-13 | 주식회사 케이엠더블유 | Antenna board assembly and antenna apparatus including same |
| WO2023140683A1 (en) * | 2022-01-21 | 2023-07-27 | 주식회사 케이엠더블유 | Antenna apparatus |
| KR20240044562A (en) * | 2022-09-28 | 2024-04-05 | 주식회사 케이엠더블유 | Phase shifter and antenna including the same |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203826518U (en) * | 2014-04-01 | 2014-09-10 | 京信通信技术(广州)有限公司 | Transmission device for regulating electronic declination angle of antenna and tunable antenna employing transmission device |
| CN204668471U (en) * | 2015-04-14 | 2015-09-23 | 江苏捷士通射频系统有限公司 | A kind of ultra broadband low frequency phase shifter module |
| CN206259498U (en) * | 2016-11-30 | 2017-06-16 | 江苏捷士通射频系统有限公司 | A kind of electrical tilt antenna structure of integrated built-in RCU |
| CN109149128A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of 5G large scale array antenna |
| CN110459874A (en) * | 2019-09-11 | 2019-11-15 | 昆山恩电开通信设备有限公司 | A kind of large scale array electric regulation antenna phase shifter transmission mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7298233B2 (en) * | 2004-10-13 | 2007-11-20 | Andrew Corporation | Panel antenna with variable phase shifter |
-
2019
- 2019-11-19 CN CN201911144856.5A patent/CN110838623B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203826518U (en) * | 2014-04-01 | 2014-09-10 | 京信通信技术(广州)有限公司 | Transmission device for regulating electronic declination angle of antenna and tunable antenna employing transmission device |
| CN204668471U (en) * | 2015-04-14 | 2015-09-23 | 江苏捷士通射频系统有限公司 | A kind of ultra broadband low frequency phase shifter module |
| CN206259498U (en) * | 2016-11-30 | 2017-06-16 | 江苏捷士通射频系统有限公司 | A kind of electrical tilt antenna structure of integrated built-in RCU |
| CN109149128A (en) * | 2018-09-05 | 2019-01-04 | 武汉虹信通信技术有限责任公司 | A kind of 5G large scale array antenna |
| CN110459874A (en) * | 2019-09-11 | 2019-11-15 | 昆山恩电开通信设备有限公司 | A kind of large scale array electric regulation antenna phase shifter transmission mechanism |
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