CN111816958A - Phase shifting device and antenna - Google Patents
Phase shifting device and antenna Download PDFInfo
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- CN111816958A CN111816958A CN202010495098.8A CN202010495098A CN111816958A CN 111816958 A CN111816958 A CN 111816958A CN 202010495098 A CN202010495098 A CN 202010495098A CN 111816958 A CN111816958 A CN 111816958A
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- 230000005540 biological transmission Effects 0.000 claims abstract description 54
- 230000010363 phase shift Effects 0.000 claims abstract description 39
- 239000000758 substrate Substances 0.000 claims abstract description 39
- 230000008878 coupling Effects 0.000 claims abstract description 22
- 238000010168 coupling process Methods 0.000 claims abstract description 22
- 238000005859 coupling reaction Methods 0.000 claims abstract description 22
- 238000005096 rolling process Methods 0.000 claims description 25
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000006835 compression Effects 0.000 claims description 4
- 238000007906 compression Methods 0.000 claims description 4
- 230000033001 locomotion Effects 0.000 description 6
- 238000009434 installation Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000037433 frameshift Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01P—WAVEGUIDES; RESONATORS, LINES, OR OTHER DEVICES OF THE WAVEGUIDE TYPE
- H01P1/00—Auxiliary devices
- H01P1/18—Phase-shifters
-
- 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
- H01Q3/32—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 by mechanical means
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- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
Abstract
The invention provides a phase shifting device and an antenna, wherein the phase shifting device comprises a phase shifter and a driving assembly, the phase shifter comprises a phase shifting substrate and a phase shifting picture module, the phase shifting substrate is provided with an arc-shaped feed circuit, the phase shifting picture module is provided with a pivoting end which is rotatably connected with the phase shifting substrate and a free end which is opposite to the pivoting end, the free end is provided with a coupling circuit which corresponds to the arc-shaped feed circuit, and the coupling circuit moves along the arc-shaped feed circuit and is coupled with the arc-shaped feed circuit when the phase shifting picture module rotates around the pivot axis of the pivoting end of the phase shifting; the driving component comprises a driving rod which is rotatably arranged on one side of the phase shifter and a transmission part which is matched with the driving rod; the transmission piece moves along the driving rod along with the rotation of the driving rod to drive the phase shift picture module to rotate around the pivot axis of the phase shift picture module relative to the phase shift substrate. The phase shifting device and the antenna provided by the invention can realize phase shifting operation by driving the phase shifting picture module to rotate around the pivot axis of the phase shifting picture module through the driving component, realize adjustment of the electrical downtilt angle of the antenna and effectively save the occupied space.
Description
Technical Field
The invention belongs to the technical field of communication equipment, and particularly relates to a phase shifting device and an antenna.
Background
The antenna is used as a terminal of a mobile communication network, bears dual functions of electromagnetic wave transmission and reception, is a carrier for mobile communication signal transmission, and directly determines the quality of the mobile communication network according to the application effect. Nowadays, the electrically tunable antenna is widely used in a mobile communication base station because the electrically tunable antenna can reduce call loss and interference, and the accuracy of adjusting the electrical downtilt angle is high.
The phase shifting device can continuously change the phase of each oscillator in the antenna array by adjusting the antenna feed network, thereby realizing the continuous adjustment of the electrical downtilt of the antenna on the premise of no change of the physical position of the antenna; however, the existing phase shifting device occupies a large space, and the arrangement space of the electrically tunable antenna is limited, so that the existing phase shifting device is not beneficial to layout and installation in the limited arrangement space of the electrically tunable antenna.
Disclosure of Invention
The embodiment of the invention aims to provide a phase shifting device and an antenna, and aims to solve the technical problem that the phase shifting device in the prior art occupies a large space.
To achieve the above object, a first aspect of the present invention provides a phase shift device comprising:
the phase shifter comprises a phase shifting substrate and a phase shifting picture module, wherein the phase shifting substrate is provided with an arc-shaped feed circuit, the phase shifting picture module is provided with a pivoting end which is rotatably connected with the phase shifting substrate and a free end which is opposite to the pivoting end, the free end is provided with a coupling circuit which corresponds to the arc-shaped feed circuit, and the coupling circuit moves along the arc-shaped feed circuit and is coupled with the arc-shaped feed circuit when the phase shifting picture module rotates around the pivot axis of the pivoting end;
the driving assembly comprises a driving rod and a transmission piece, wherein the driving rod is rotatably arranged on one side of the phase shifter; the transmission piece moves along the driving rod along with the rotation of the driving rod to drive the phase shift picture module to rotate around the pivot axis of the phase shift picture module relative to the phase shift substrate.
Optionally, one end of the driving rod is provided with a first helical gear, and the driving assembly further comprises an adaptor which is rotatably arranged on one side of the phase shifter and arranged at a certain angle with the driving rod; the adaptor is provided with a second bevel gear meshed with the first bevel gear.
Optionally, the driving rod is a screw rod, and the driving assembly further includes a guide rod disposed on one side of the driving rod; the transmission part comprises a thread part sleeved on the driving rod, a guide part sleeved on the guide rod and a transmission part matched with the picture moving module.
Optionally, the photo shifting module comprises a pressing piece and a photo shifting body fixed on the pressing piece; be equipped with the bar groove on the transmission portion, compress tightly and be equipped with the projection that inserts in the bar groove on the piece, and the projection can slide along the bar groove.
Optionally, the transmission part comprises two limiting sections respectively connected with the threaded part and a connecting section with two ends respectively connected with the two limiting sections; the connecting section and the two limiting sections are arranged on different planes.
Optionally, the convex column comprises an insertion part penetrating through the strip-shaped groove and a clamping part arranged on one side of the insertion part, back to the phase-shifting substrate, and the clamping part is erected on the limiting section.
Optionally, the post is rotatably connected to the compression member about its axis.
Optionally, the photo moving module further comprises a rolling member arranged on the pressing member; the pressing member is in rolling contact with the phase shift substrate via a rolling member.
Optionally, the number of the rolling members is multiple, and the multiple rolling members are distributed on two sides of the photo-shift body.
A second aspect of the invention provides an antenna comprising a phase shifting device according to any one of the above.
The invention has the beneficial effects that: compared with the prior art, the phase shifting device and the antenna provided by the invention comprise the phase shifter and the driving component, so that the phase shifting operation can be realized by enabling the coupling line to move along the arc-shaped feed line when the phase shifting picture module in the phase shifter rotates around the pivot axis of the phase shifter, and the adjustment of the electrical downtilt angle of the antenna can be realized; the driving assembly converts the rotary motion into the rotation of the photo shifting piece module through the matching of the driving rod and the driving part, the driving mode is simple, the occupied space can be effectively saved, and the overall layout and installation of the phase shifting device are facilitated.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
Fig. 1 is a schematic structural diagram of a phase shifting apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a driving assembly according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of another driving assembly provided in accordance with an embodiment of the present invention;
FIG. 4 is an exploded view of a phase shifter according to an embodiment of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 4;
fig. 6 is an exploded view of a pressing member according to an embodiment of the present invention;
fig. 7 is an exploded view of another phase shifter according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
1. a phase shifter; 11. a housing; 12. a phase shift substrate; 121. an arc-shaped feed line; 13. a photo shifting module; 131. a compression member; 1311. a first pressing seat; 1312. a second pressing seat; 1313. a rotating shaft; 1314. screwing; 132. a photo shifting body; 1321. a coupling line; 133. a convex column; 1331. an insertion portion; 1332. a clamping part; 134. a rolling member; 14. a rubber pad; 15. a bottom cover; 2. a drive assembly; 21. a drive rod; 211. a first helical gear; 22. a transmission member; 221. a threaded portion; 222. a guide portion; 223. a transmission section; 2231. a strip-shaped groove; 2232. a limiting section; 2233. a connecting section; 23. an adapter; 231. a second helical gear; 24. a guide bar; 25. a slide rail.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings, which is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Referring to fig. 1 to 7, a phase shifting apparatus according to an embodiment of the present invention will now be described. The phase shifting device comprises a phase shifter 1 and a driving component 2; the phase shifter 1 comprises a phase shifting substrate 12 and a phase shifting picture module 13, wherein an arc-shaped feed circuit 121 is arranged on the phase shifting substrate 12, the phase shifting picture module 13 is provided with a pivoting end which is rotatably connected with the phase shifting substrate 12 and a free end which is opposite to the pivoting end, the free end is provided with a coupling circuit 1321 which corresponds to the arc-shaped feed circuit 121, and the coupling circuit 1321 moves along the arc-shaped feed circuit 121 and is coupled with the arc-shaped feed circuit 121 when the phase shifting picture module 13 rotates around the pivot axis of the pivoting end; the driving assembly 2 comprises a driving rod 21 rotatably arranged at one side of the phase shifter 1 and a transmission piece 22 matched with the driving rod 21; the transmission member 22 moves along the drive lever 21 in accordance with the rotation of the drive lever 21 to drive the phase shift photo module 13 to rotate about its pivot axis with respect to the phase shift substrate 12.
The photo shift module 13 of the phase shift device has a pivot end and a free end, wherein the free end is provided with a coupling line 1321, the phase shift substrate 12 is provided with a feeding line, and the coupling line 1321 moves along the arc-shaped feeding line 121 and is coupled with the arc-shaped feeding line 121 when the photo shift module 13 rotates around the pivot axis of the pivot end; it should be noted here that the pivot end of the phase shift photo module 13 is electrically connected to the main feed line on the phase shift substrate 12, and when the phase shift photo module 13 rotates around the pivot axis of the pivot end and is coupled with the arc-shaped feed line 121, the distance between the main feed port of the main feed line and the feed port of the arc-shaped feed line 121 changes, so as to generate the effect of changing the phase, implement the phase shift operation, and implement the adjustment of the antenna electrical downtilt; the driving rod 21 of the driving component 2 of the phase shifting device is arranged on one side of the phase shifter 1, and the driving rod 21 and the transmission piece 22 are matched to convert the rotary motion into the rotation of the phase shifting picture module 13, so that the transmission mode is simple, the occupied space can be effectively saved, and the integral layout and installation of the phase shifting device are facilitated. The phase shifting device provided by the embodiment of the invention has a compact structure, effectively compresses the occupied space and is beneficial to the assembly and layout of the electric tuning antenna.
In one embodiment, referring to fig. 2, one end of the driving rod 21 is provided with a first bevel gear 211, and the driving assembly 2 further includes an adaptor 23 rotatably disposed at one side of the phase shifter 1 and disposed at an angle to the driving rod 21; the adaptor 23 is provided with a second bevel gear 231 which meshes with the first bevel gear 211. Specifically, the phase shifter 1 is integrally in a square layout, the adapter 23 is perpendicular to the driving rod 21, that is, the adapter 23 and the driving rod 21 are respectively arranged at two adjacent sides of the phase shifter 1, through the arrangement of the adapter 23, a driving power source such as a motor can be connected to one end of the adapter 23, which faces away from the driving rod 21, and the driving of the driving rod 21 is realized by driving the rotation of the adapter 23; the arrangement is convenient for the layout and the arrangement of the driving power source, thereby being convenient for the application and the assembly of the phase shifting device in the electric tilt antenna.
In one embodiment, referring to fig. 1 to 7, the driving rod 21 is a screw rod, and the driving assembly 2 further includes a guiding rod 24 disposed at one side of the driving rod 21; the transmission member 22 includes a screw portion 221 sleeved on the driving rod 21, a guiding portion 222 sleeved on the guiding rod 24, and a transmission portion 223 engaged with the picture-moving module 13. The thread part 221 of the transmission piece 22 is in threaded connection with the driving rod 21, and the guide part 222 is limited by the guide rod 24 so that the transmission piece 22 can only slide along the guide rod 24, therefore, when the driving rod 21 rotates, the thread part 221 in threaded connection with the driving rod 21 can be driven to move, so that the transmission piece 22 integrally moves along the driving rod 21, and the picture-moving module 13 can be driven to rotate by the transmission part 223, and when the driving rods 21 respectively rotate in different directions, the transmission piece 22 can realize reciprocating motion along the driving rod 21; moreover, due to the arrangement of the guide member, the transmission member 22 can be limited to rotate around the driving member, so that the transmission member 22 can be prevented from extruding the photo-shift module 13, the influence on the stability of the gap between the photo-shift module 13 and the movable substrate is avoided, and the capacitive coupling degree between the coupling line 1321 and the arc-shaped feeding line 121 can be guaranteed. In another embodiment, as shown in fig. 3, the matching between the driving rod 21 and the transmission member 22 may also be a matching between a screw and a slider, specifically, the driving rod 21 is provided with a spiral groove, the transmission member 22 is a slider clamped on the spiral groove, the driving assembly 2 further includes a slide rail 25 arranged on one side of the driving rod 21, and the transmission member 22 is slidably connected to the slide rail 25, so that when the driving rod 21 rotates, the slider can be driven to move along the spiral groove, and because the slider is simultaneously limited by the slide rail, the slider can move along the driving rod 21 along with the rotation of the driving rod 21.
In one embodiment, referring to fig. 1 to 5, the frame shift module 13 includes a pressing member 131 and a frame shift body 132 fixed on the pressing member 131, specifically, the coupling line 1321 is disposed on the frame shift body 132; a strip-shaped groove 2231 is arranged on the transmission part 223, a convex column 133 inserted into the strip-shaped groove 2231 is arranged on the pressing piece 131, and the convex column 133 can slide along the strip-shaped groove 2231. When the transmission member 22 moves along the driving rod 21 along with the rotation of the driving rod 21, the transmission member 22 can push the convex post 133 inserted into the strip-shaped groove 2231 through the transmission portion 223, and drive the pressing member 131 through the convex post 133 and further drive the photo-shift body 132 fixed on the pressing member 131 to move, so as to implement the phase shift operation; and since the convex post 133 can slide along the strip-shaped slot 2231, the rotation of the photo-shift module 13 relative to the phase-shift substrate 12 is not limited. Specifically, the transmission portion 223 includes two limiting segments 2232 respectively connected to the threaded portion 221 and a connecting segment 2233 having two ends respectively connected to the two limiting segments 2232; the connecting section 2233 and the two limiting sections 2232 are arranged on different planes; make linkage segment 2233 and two spacing sections 2232 be in different planes and set up the rigidity that can improve transmission 223, because transmission 223 extends to from actuating lever 21 one side to on the looks ware 1, improve the rigidity of transmission 223 and can reduce the risk that transmission 223 sways in the motion process and pushes away the piece 131 of compressing tightly, thereby avoid transmission 223 to influence the stability of the clearance between phase shifting picture body 132 and the phase shifting base plate 12, can ensure the capacitive coupling degree between coupling line 1321 and the arc feeder line 121. Specifically, the convex pillar 133 includes an insertion portion 1331 penetrating through the strip-shaped groove 2231 and a blocking portion 1332 disposed on a side of the insertion portion 1331 opposite to the phase shift substrate 12, and the blocking portion 1332 is erected on the limiting segment 2232; the convex column 133 having the positioning portion 1332 and the inserting portion 1331 is provided, and the positioning portion 1332 is mounted on the position-limiting section 2232, so as to improve the stability of the convex column 133 driven by the transmission portion 223.
In another embodiment, the transmission portion 223 may also be provided with a through hole, the pressing member 131 is provided with a convex pillar 133 matching with the through hole, and the convex pillar 133 can slide on the pressing member 131, that is, when the transmission member 22 moves along the driving rod 21 along with the rotation of the driving rod 21, the transmission member 22 can push the convex pillar 133 inserted into the through hole through the transmission portion 223, and drive the pressing member 131 through the convex pillar 133 and further drive the photo-shift piece body 132 fixed on the pressing member 131 to move, and simultaneously slide on the pressing member 131 along with the rotation of the pressing member 131 with the convex pillar 133. In another embodiment, the transmission member 22 may also be provided with a convex pillar 133, the pressing member 131 is provided with a sliding groove for inserting the convex pillar 133, and the convex pillar 133 can slide along the strip-shaped groove 2231.
In one embodiment, post 133 is rotatably coupled to compression member 131 about its axis. Therefore, when the pressing piece 131 pushes the convex column 133 to move, the convex column 133 can rotate, and abrasion between the convex column 133 and the transmission column can be reduced. Specifically, a fixed shaft may be disposed on the compressing member 131, and the protruding column 133 is sleeved on the fixed shaft and can rotate around the axis of the fixed shaft. In another embodiment, a ball structure may be disposed between the convex pillar 133 and the fixed shaft, so as to achieve rolling contact between the fixed shaft and the convex pillar 133 and reduce friction resistance when the convex pillar 133 rotates.
In one embodiment, referring to fig. 1 to 6, the photo-shift module 13 further includes a rolling member 134 disposed on the pressing member 131; the pressing member 131 is in rolling contact with the phase shift substrate 12 via the rolling member 134; specifically, the pressing member 131 is provided with a pressing groove and a rolling groove, the photo moving body 132 is arranged in the pressing groove, and the rolling member 134 is arranged in the rolling groove; in the rotating process of the pressing member 131, the rolling member 134 abuts against the phase shift substrate 12 to ensure the stability of the position of the pressing member 131, so as to ensure the stability of the gap between the phase shift film body 132 fixed in the pressing groove and the phase shift substrate 12, and to ensure the capacitive coupling degree between the coupling line 1321 and the arc-shaped feeding line 121. In addition, the pressing member 131 abuts against the phase shift substrate 12 through the rolling member 134, that is, the pressing member 131 is in rolling contact with the phase shift substrate 12, which not only reduces the friction resistance between the phase shift photo module 13 and the phase shift substrate 12 during the rotation process, but also reduces the mutual abrasion between the phase shift photo module 13 and the phase shift substrate 12. Specifically, the number of the rolling members 134 is multiple, and the rolling members 134 are distributed on two sides of the photo-shift body 132, that is, the rolling members 134 can support the pressing member 131 at symmetrical positions on two sides of the photo-shift body 132, so as to improve the stability of the movement of the pressing member 131. In particular, the rolling members 134 may be rollers or balls.
In one embodiment, referring to fig. 1 to 7, the phase shifter 1 further includes a housing 11, and the phase shifting substrate 12 and the phase shifting photo module 13 are disposed on the housing 11. Specifically, the two phase shift substrates 12 are respectively disposed on two sides of the housing 11, the phase shift film module 13 includes two phase shift film bodies 132, and the two phase shift film bodies 132 are respectively disposed corresponding to the two phase shift substrates 12 disposed on two sides of the housing 11; the pressing member 131 comprises a first pressing seat 1311 and a second pressing seat 1312, the two picture moving body 132 are respectively fixed in the first pressing seat 1311 and the second pressing seat 1312, and the first pressing seat 1311 and the second pressing seat 1312 are connected with each other; the protruding column 133 may be disposed on only one of the first pressing seat 1311 and the second pressing seat 1312, and when the driving rod 21 drives the transmission member 22 to move and push the protruding column 133, the protruding column 133 may push the first pressing seat 1311 and the second pressing seat 1312 connected to each other to move and drive the two photo shifting piece bodies 132 located on two sides of the housing 11 to rotate synchronously, so that the coupling connection between the coupling lines 1321 located on two sides of the housing 11 and the arc-shaped feeding line 121 is kept synchronous, and synchronous phase shifting is achieved.
In one embodiment, the second pressing base 1312 is provided with a rotating shaft 1313 passing through the housing 11, the two phase-shifting substrates 12, the two phase-shifting picture bodies 132 and the first pressing base 1311, and one side of the first pressing base 1311, which faces away from the second pressing base 1312, is fixed to the rotating shaft 1313 through a turnbuckle 1314, so that the whole pressing member 131 can axially rotate around the rotating shaft 1313; the first pressing seat 1311 and the second pressing seat 1312 are engaged with each other on a side facing away from the rotation shaft 1313.
In one embodiment, a rubber pad 14 is disposed between the phase shift substrate 12 and the housing 11. The phase shifter 1 further includes a bottom cover 15, the bottom cover 15 is disposed on a side of the second pressing base 1312 opposite to the housing 11, and is fastened to the housing 11, so as to protect the phase shifting substrate 12.
Another embodiment of the present invention provides an antenna comprising the phase shifting device of any of the above. The antenna provided by the invention can realize phase shifting operation by enabling the coupling line 1321 to move along the arc-shaped feed line 121 when the phase shifting picture module 13 in the phase shifter 1 rotates around the pivot axis of the phase shifting picture module, so that the adjustment of the electrical downtilt of the antenna is realized, the driving component 2 converts the rotation motion into the rotation of the phase shifting picture module 13 by matching the driving rod 21 and the transmission piece 22, the transmission mode is simple, the occupied space can be effectively saved, and the integral layout and installation of the phase shifting device are facilitated.
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 and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A phase shifting device, comprising:
the phase shifter comprises a phase shifting substrate and a phase shifting picture module, wherein an arc-shaped feed circuit is arranged on the phase shifting substrate, the phase shifting picture module is provided with a pivoting end rotationally connected with the phase shifting substrate and a free end opposite to the pivoting end, the free end is provided with a coupling circuit corresponding to the arc-shaped feed circuit, and the coupling circuit moves along the arc-shaped feed circuit and is coupled with the arc-shaped feed circuit when the phase shifting picture module rotates around the pivot axis of the pivoting end of the phase shifting picture module;
the driving assembly comprises a driving rod and a transmission piece, wherein the driving rod is rotatably arranged on one side of the phase shifter, and the transmission piece is matched with the driving rod; the transmission piece moves along the driving rod along with the rotation of the driving rod so as to drive the phase shift photo module to rotate around the pivot axis of the phase shift photo module relative to the phase shift substrate.
2. The phase shifting apparatus of claim 1, wherein the driving rod is provided at one end thereof with a first helical gear, and the driving assembly further comprises an adaptor rotatably provided at one side of the phase shifter and disposed at an angle to the driving rod; and the adaptor is provided with a second bevel gear meshed with the first bevel gear.
3. The phase shifting apparatus of claim 1, wherein the driving rod is a threaded rod, and the driving assembly further comprises a guide rod disposed at one side of the driving rod; the transmission part comprises a thread part sleeved on the driving rod, a guide part sleeved on the guide rod and a transmission part matched with the picture moving module.
4. The phase shifting device according to claim 3, wherein the phase shifting block comprises a pressing member and a phase shifting block body fixed to the pressing member; be equipped with the bar groove on the transmission portion, compress tightly be equipped with on the piece insert in the projection in the bar groove, just the projection can be followed the bar groove slides.
5. The phase shifting device according to claim 4, wherein the transmission portion comprises two position-limiting sections respectively connected to the threaded portion and two connecting sections respectively connected to the two position-limiting sections at both ends thereof; the connecting section and the two limiting sections are arranged on different planes.
6. The phase shifting device of claim 5, wherein the convex pillar comprises an insertion portion passing through the strip-shaped groove and a blocking portion disposed on a side of the insertion portion opposite to the phase shifting substrate, and the blocking portion is erected on the limiting section.
7. The phase shifting device of claim 5, wherein the post is rotatably coupled to the compression member about its axis.
8. The phase shifting apparatus according to any one of claims 4 to 7, wherein the phase shifting photo module further comprises a rolling member provided on the pressing member; the pressing piece is in rolling contact with the phase-shifting substrate through the rolling piece.
9. The phase shifting device according to claim 8, wherein the number of the rolling members is plural, and plural rolling members are distributed on both sides of the phase shifting photo body.
10. An antenna comprising a phase shifting device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495098.8A CN111816958A (en) | 2020-06-03 | 2020-06-03 | Phase shifting device and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495098.8A CN111816958A (en) | 2020-06-03 | 2020-06-03 | Phase shifting device and antenna |
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| Publication Number | Publication Date |
|---|---|
| CN111816958A true CN111816958A (en) | 2020-10-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010495098.8A Pending CN111816958A (en) | 2020-06-03 | 2020-06-03 | Phase shifting device and antenna |
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| CN (1) | CN111816958A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112467386A (en) * | 2020-11-10 | 2021-03-09 | 武汉虹信科技发展有限责任公司 | Phase shifter and antenna |
| CN112736467A (en) * | 2020-12-28 | 2021-04-30 | 京信通信技术(广州)有限公司 | Antenna and antenna controller |
| US20220029288A1 (en) * | 2020-07-24 | 2022-01-27 | Commscope Technologies Llc | Phase shifter, remote electrical tilt system and base station antenna |
-
2020
- 2020-06-03 CN CN202010495098.8A patent/CN111816958A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20220029288A1 (en) * | 2020-07-24 | 2022-01-27 | Commscope Technologies Llc | Phase shifter, remote electrical tilt system and base station antenna |
| US11552396B2 (en) * | 2020-07-24 | 2023-01-10 | Commscope Technologies Llc | Phase shifter, remote electrical tilt system and base station antenna |
| CN112467386A (en) * | 2020-11-10 | 2021-03-09 | 武汉虹信科技发展有限责任公司 | Phase shifter and antenna |
| CN112467386B (en) * | 2020-11-10 | 2022-07-19 | 武汉虹信科技发展有限责任公司 | Phase shifter and antenna |
| CN112736467A (en) * | 2020-12-28 | 2021-04-30 | 京信通信技术(广州)有限公司 | Antenna and antenna controller |
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