CN117855870A - Adjustment mechanism for antenna secondary reflection surface, antenna and adjustment method for antenna secondary reflection surface - Google Patents

Adjustment mechanism for antenna secondary reflection surface, antenna and adjustment method for antenna secondary reflection surface Download PDF

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Publication number
CN117855870A
CN117855870A CN202211215447.1A CN202211215447A CN117855870A CN 117855870 A CN117855870 A CN 117855870A CN 202211215447 A CN202211215447 A CN 202211215447A CN 117855870 A CN117855870 A CN 117855870A
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CN
China
Prior art keywords
antenna
reflecting surface
driving motor
pitching
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202211215447.1A
Other languages
Chinese (zh)
Inventor
马阳盼
高飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN202211215447.1A priority Critical patent/CN117855870A/en
Priority to PCT/CN2023/088335 priority patent/WO2024066293A1/en
Publication of CN117855870A publication Critical patent/CN117855870A/en
Pending legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q15/00—Devices for reflection, refraction, diffraction or polarisation of waves radiated from an antenna, e.g. quasi-optical devices
    • H01Q15/14—Reflecting surfaces; Equivalent structures
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
    • H01Q19/10—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces
    • H01Q19/18—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces
    • H01Q19/19—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic using reflecting surfaces having two or more spaced reflecting surfaces comprising one main concave reflecting surface associated with an auxiliary reflecting surface
    • 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
    • H01Q3/12—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 relative movement between primary active elements and secondary devices of antennas or antenna systems
    • H01Q3/16—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device
    • H01Q3/20—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 relative movement between primary active elements and secondary devices of antennas or antenna systems for varying relative position of primary active element and a reflecting device wherein the primary active element is fixed and the reflecting device is movable

Abstract

The application is applicable to the field of antennas and discloses an adjusting mechanism of an antenna auxiliary reflecting surface, an antenna and an adjusting method of the antenna auxiliary reflecting surface. Wherein, the adjustment mechanism of antenna pair reflecting surface includes: a support; the transverse rolling mechanism comprises a transverse rolling supporting seat, a first driving motor and a rotating piece, wherein the driving end of the first driving motor is used for driving the rotating piece to rotate transversely relative to the transverse rolling supporting seat; the pitching mechanism comprises a pitching supporting seat, a second driving motor and a swinging piece, wherein the driving end of the second driving motor is used for driving the swinging piece to swing in a pitching mode relative to the pitching supporting seat, and the swinging piece is used for being connected with the auxiliary reflecting surface of the antenna. By controlling the first driving motor and the second driving motor, the angle of the auxiliary reflecting surface relative to the main reflecting surface can be comprehensively controlled, when the auxiliary reflecting surface is influenced by external environment, even if the focusing of the antenna deviates, the focusing of the microwave antenna can be realized again, the stability of a channel link is ensured, and the stable transmission of signals is further ensured.

Description

Adjustment mechanism for antenna secondary reflection surface, antenna and adjustment method for antenna secondary reflection surface
Technical Field
The present disclosure relates to the field of antennas, and more particularly, to an adjusting mechanism for an antenna secondary reflecting surface, an antenna, and an adjusting method for an antenna secondary reflecting surface.
Background
With the rapid layout and application of the 5G network, related communication devices are not disconnected from each other, and with the increase of the demands of clients and users for signal stability, new demands are put on the signal stability of the communication devices in the channel link transmission process.
The traditional microwave EBAND and antenna products are used as microwave transmission equipment of a high frequency band and play an important role in a microwave transmission link. The antenna part is arranged on the iron tower holding pole through the mounting piece, the relative positions of the main surface and the auxiliary surface inside the antenna are fixed, and the transmission of signals on a channel link is realized through focusing of the microwave antennas of the transmitting end and the receiving end.
However, due to the influence of external environment, under the condition of wind load or vibration, the focusing of the microwave antenna is influenced by deviation, so that the whole channel link is broken accidentally, and the stable transmission of signals is influenced.
Disclosure of Invention
The purpose of the application is to provide an adjusting mechanism of an antenna auxiliary reflecting surface, an antenna and an adjusting method of antenna auxiliary reflection, which aim at solving the technical problems that the focusing of a microwave antenna is easily deviated due to the influence of external environment and the stable transmission of signals is influenced.
In order to achieve the above object, the present application provides an adjusting mechanism for an antenna secondary reflection surface, including:
a support;
the rolling mechanism comprises a rolling supporting seat, a first driving motor and a rotating piece, wherein the rolling supporting seat is connected with the supporting piece, the rotating piece is rotatably connected with the rolling supporting seat, the first driving motor is arranged on the rolling supporting seat, and the driving end of the first driving motor is used for driving the rotating piece to rotate in a rolling way relative to the rolling supporting seat;
the pitching mechanism comprises a pitching supporting seat, a second driving motor and a swinging piece, wherein the pitching supporting seat is connected with the rotating piece, the swinging piece is rotatably connected with the pitching supporting seat, the second driving motor is arranged on the pitching supporting seat, the driving end of the second driving motor is used for driving the swinging piece to swing in a pitching mode relative to the pitching supporting seat, and the swinging piece is used for being connected with a secondary reflecting surface of the antenna.
The application also provides an antenna, which comprises a main reflecting surface, an auxiliary reflecting surface, a supporting frame and an adjusting mechanism of the auxiliary reflecting surface of the antenna;
the main reflecting surface is connected with the supporting piece through the supporting frame, the auxiliary reflecting surface is arranged towards the main reflecting surface, and the auxiliary reflecting surface is connected with the swinging piece.
The application also provides an adjusting method of the antenna auxiliary reflecting surface, which comprises the adjusting mechanism of the antenna auxiliary reflecting surface, and comprises the following steps:
acquiring a control signal;
and controlling the first driving motor and/or the second driving motor to start according to the control signal so as to adjust the angle of the auxiliary reflecting surface relative to the main reflecting surface and enable the microwaves emitted or received by the main reflecting surface to be focused.
According to the adjusting mechanism for the auxiliary reflecting surface of the antenna, circumferential rotation and accurate action of the auxiliary reflecting surface can be achieved through controlling the first driving motor, the pitching angle of the auxiliary reflecting surface can be adjusted through controlling the second driving motor, and then the angle of the auxiliary reflecting surface relative to the main reflecting surface is comprehensively controlled.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from the structures shown in these drawings without inventive effort to a person of ordinary skill in the art.
Fig. 1 is a schematic structural diagram of an adjusting mechanism of an antenna secondary reflecting surface according to an embodiment of the present application;
fig. 2 is an exploded schematic view of an adjusting mechanism of an antenna secondary reflecting surface according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a roll mechanism of an adjusting mechanism of an antenna secondary reflecting surface according to an embodiment of the present application;
fig. 4 is a schematic cross-sectional view of a roll mechanism of an adjustment mechanism for an antenna secondary reflecting surface provided in an embodiment of the present application;
fig. 5 is a schematic structural diagram of a pitching mechanism of an adjusting mechanism of an antenna secondary reflection surface according to an embodiment of the present application;
FIG. 6 is a schematic cross-sectional view of a pitch mechanism of an adjustment mechanism for an antenna secondary reflecting surface provided in an embodiment of the present application;
fig. 7 is a schematic structural diagram of an antenna according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a protective cover of an antenna according to an embodiment of the present application;
fig. 9 is a schematic diagram illustrating the disassembly of a protective cover of an antenna according to an embodiment of the present application;
fig. 10 is a schematic flow chart of a method for adjusting an antenna secondary reflecting surface according to an embodiment of the present application;
fig. 11 is a second flow chart of a method for adjusting the secondary reflecting surface of the antenna according to the embodiment of the present application.
Reference numerals illustrate: 10: a support; 20: a roll mechanism; 21: a roll support; 201: a transverse rolling flange seat; 202: a roll base; 203: a bearing end cap; 211: a bump; 212: a roll limit switch; 22: a rotating member; 221: a first driven wheel; 222: a limit switch base; 223: a mechanical limit column; 224: a rotation shaft; 225: locking the end cover; 23: a first driving motor; 231: a first drive wheel; 24: a first bearing; 30: a pitch mechanism; 31: a pitching support base; 311: a pitch base; 312: a pitch bracket; 313: a pitch limit switch; 314: a pitching limiting block; 32: a swinging member; 321: a second driven wheel; 322: a mechanical limit piece; 323: a connecting rod; 324: a limit sensing piece; 33: a second driving motor; 331: a second driving wheel; 40: a secondary reflecting surface; 200: a main reflecting surface; 300: a protective cover; 301: a protective base; 302: a protective cover; 303: the cover is pressed tightly.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are merely used to explain the relative positional relationship between the components, the movement condition, and the like in a certain specific posture, and if the specific posture is changed, the directional indicator is correspondingly changed.
It will also be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. 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 through intervening elements.
Furthermore, the descriptions of "first," "second," and the like, herein are for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present application.
The microwave transmission equipment in the high frequency band generally needs a microwave antenna to transmit, that is, a transmitting end microwave antenna transmits a microwave signal, and a receiving end microwave antenna receives the microwave signal, and in order to improve the stability of signal transmission, the microwave antenna needs to be ensured to be focused so as to obtain a stable channel link. When the microwave antenna is influenced by external environmental factors such as wind blowing or vibration, the position or angle of the microwave antenna is deviated, and at the moment, a channel link between the originally focused microwave antennas is broken accidentally, so that the signal transmission is influenced. In this regard, the present application provides an adjustment mechanism for an antenna secondary reflection surface, an antenna, and an adjustment method for an antenna secondary reflection surface, which can readjust the transmitting and/or receiving angle of microwaves under the condition that the microwave antenna deviates, so as to readjust focusing of the microwave antenna, ensure stability of a channel link, and further ensure stable transmission of signals.
The antenna can be applied to any one-end microwave antenna, namely one-end microwave antenna adopts the antenna provided by the application, and the other end adopts a conventional antenna, and refocusing is realized by adjusting the antenna at one end. Alternatively, the antenna in the present application may be applied to both microwave antennas, and refocusing is achieved by adjusting the respective end antennas.
As shown in fig. 1 to 6, an adjusting mechanism for an antenna secondary reflection surface provided in an embodiment of the present application includes: support 10, roll mechanism 20, and pitch mechanism 30.
As shown in fig. 1 and 2, the support member 10 is used to support the whole of the adjusting mechanism. In an alternative embodiment of the present application, the support member 10 is a support flange seat coupled to the roll support seat 21.
As shown in fig. 1 to 4, the roll mechanism 20 includes a roll support seat 21, a first driving motor 23 and a rotating member 22, the roll support seat 21 is connected to the support member 10, the rotating member 22 is rotatably connected to the roll support seat 21, the first driving motor 23 is disposed on the roll support seat 21, and the driving end of the first driving motor 23 is used for driving the rotating member 22 to rotate in a roll manner relative to the roll support seat 21.
In an alternative embodiment of the present application, the roll supporting seat 21 includes a roll base 202 and a roll flange seat 201, two ends of the roll base 202 are connected with the supporting member 10 through supporting screw columns, the roll supporting seat 21 is connected with the roll flange seat 201 through screws, the first driving motor 23 is disposed on one side of the roll flange seat 201, specifically, a first mounting portion extends on one side of the roll flange, and the first driving motor 23 is disposed on the first mounting portion.
In an alternative embodiment of the present application, the roll mechanism 20 further includes a first bearing 24, the rotating member 22 has a rotating shaft 224 thereon, the roll support 21 has a through hole, and the first bearing 24 is disposed between the through hole and the rotating shaft 224. Specifically, the first surface of the rotating member 22 has a rotation shaft 224, the roll support seat 21 has a through hole penetrating through the roll base 202 and the roll flange seat 201, the rotation shaft 224 is disposed through the through hole, and a first bearing 24 is disposed between the rotation shaft 224 and a side wall of the through hole to realize rotation of the rotating member 22. In order to ensure the stability of the structure of the first bearing 24, a locking end cover 225 is connected to the top of the rotation shaft 224, the rotation shaft 224 has a first step portion, an inner ring of the first bearing 24 is fixedly disposed between the first step portion of the rotation shaft 224 and the locking end cover 225, in addition, a through hole of the roll flange seat 201 has a second step portion, the roll support seat 21 further includes a bearing end cover 203, the bearing end cover 203 is disposed on a side of the roll flange seat 201 away from the second step portion, and an outer ring of the first bearing 24 is fixedly disposed between the second step portion of the roll flange seat 201 and the bearing end cover 203.
In other alternative embodiments, the driving and rotation may be achieved simultaneously by directly connecting the driving end of the first driving motor 23 provided to the roll support 21 to the rotating member 22.
As shown in fig. 1, 2, 5 and 6, the pitching mechanism 30 further includes a pitching support base 31, a second driving motor 33 and a swinging member 32, the pitching support base 31 is connected to the rotating member 22, the swinging member 32 is rotatably connected to the pitching support base 31, the second driving motor 33 is disposed on the pitching support base 31, the driving end of the second driving motor 33 is used for driving the swinging member 32 to pitch and swing relative to the pitching support base 31, and the swinging member 32 is used for being connected to the secondary reflecting surface 40 of the antenna.
In an alternative embodiment of the present application, the pitch support seat 31 comprises a pitch bottom support base coaxially connected to the second face of the rotating member 22, and specifically may be connected by a screw, so as to ensure that the pitch mechanism 30 can coaxially rotate when the rotating member 22 rotates. Specifically, the first surface of the pitching base 311 has a docking portion, optionally annular, and the second surface of the rotating member 22 has a docking slot, which is adapted to the docking portion, so that the first surface of the pitching base 311 is tightly attached to the second surface of the rotating member 22, and is stably connected by screw connection.
In an alternative embodiment of the present application, the pitch supporting seat 31 further includes two pitch brackets 312, the pitch base 311 is connected to the rotating member 22, two sides of the pitch base 311 are respectively connected to first ends of the two pitch brackets 312, and two sides of the swinging member 32 are respectively rotatably connected to second ends of the two pitch brackets 312.
In this way, the swinging member 32 will not interfere with the pitching supporting seat 31 during the swinging process, in a specific embodiment, the first end of the pitching bracket 312 is connected with the second surface of the pitching base 311, optionally in a screw connection manner, and along the direction from the first end to the second end of the pitching bracket 312, the pitching bracket 312 first extends away from the pitching base 311 to form a first section, then extends away from the other pitching bracket 312 to form a second section, and then extends away from the pitching base 311 to form a third section, so that the distance between the third sections of the two pitching brackets 312 is increased, and interference between the swinging member 32 and the pitching supporting seat 31 is avoided. In this application, the second driving motor 33 is disposed on one of the pitch brackets 312, specifically, the first end of the pitch bracket 312 is provided with a second mounting portion, the second mounting portion is disposed between the pitch base 311, the swinging member 32, and the two pitch brackets 312, and the second driving motor 33 is disposed on the second mounting portion.
As shown in fig. 5 and 6, in an alternative embodiment of the present application, two ends of the swinging member 32 are further provided with a connecting rod 323, a first end of the connecting rod 323 is connected with the swinging member 32, a second end of the connecting rod 323 is rotatably connected with a second end of the pitching support 312, and the first end of the connecting rod 323 is located at one side of the second end facing the pitching base 311, so that the swinging member 32 is disposed close to the pitching base 311, and space occupied by the whole mechanism is reduced. In this application, the extension length of the pitching frame 312 and/or the extension length of the connecting rod 323 can be adjusted according to the distance requirement of the secondary reflecting surface 40 and the primary reflecting surface 200, and the distance between the second ends of the two pitching frames 312 can be adjusted according to the size requirement of the secondary reflecting surface 40, so that the structure is compact.
In other alternative embodiments, the driving end of the second driving motor 33 provided to the pitch support seat 31 may be directly connected to the swing member 32 to simultaneously achieve driving and rotation.
With the above in mind, the oscillating member 32 is for the secondary reflective surface 40. It should be noted that the secondary reflecting surface 40 may be directly disposed on the oscillating member 32, or may be indirectly connected to the oscillating member 32. In an alternative embodiment of the present application, the secondary reflecting surface 40 is actually integrated with the swinging member 32, that is, the outer surface of the swinging member 32 facing away from the pitch base 311 is the secondary reflecting surface 40, where the secondary reflecting surface 40 protrudes toward the cambered surface facing away from the pitch base 311, and is generally configured as a rotating hyperboloid, so as to reflect the microwave signal. Of course, in other embodiments, the secondary reflecting surface 40 may be connected to the swinging member 32 by a connecting member, and the angle of the secondary reflecting surface 40 may be adjusted at the same time when the swinging member 32 is adjusted.
In this application, through the circumferential direction rotation and the accurate action of control first driving motor 23 can realize vice reflecting surface 40, but through the pitch angle of control second driving motor 33 adjustable vice reflecting surface 40, and then the angle of comprehensive control vice reflecting surface 40 relative main reflecting surface 200, when receiving external environment influence, even antenna focus takes place the skew, also the angle of accessible regulation vice reflecting surface 40 relative main reflecting surface 200 to realize microwave antenna focus again, ensure the stability of channel link, and then guarantee the stable transmission of signal.
In an alternative embodiment of the present application, as shown in fig. 3 and 4, the roll mechanism 20 further includes a first transmission mechanism, and the driving end of the first driving motor 23 is connected to the rotating member 22 through the first transmission mechanism, so as to drive the rotating member 22 to perform a roll rotation relative to the roll supporting seat 21.
The power of the first drive motor 23 is transmitted to the rotary member 22 through the first transmission mechanism provided. In this application, the first transmission mechanism may be used as a speed reducing mechanism to achieve fine adjustment of the circumferential rotation and calibration of the secondary reflecting surface 40.
Specifically, the first transmission mechanism includes a first driving wheel 231 and a first driven wheel 221, the first driving wheel 231 is connected to the driving end of the first driving motor 23, the first driven wheel 221 is disposed on the outer periphery of the rotating member 22, and the first driving wheel 231 is engaged with the first driven wheel 221. The first driven wheel 221 is a gear tooth structure of Zhou Chengxing outside the rotating member 22, and of course, the first driven wheel 221 may be coaxially disposed on the rotating member 22 as required, the first driving wheel 231 is fixed on the driving end of the first driving motor 23 through a pin, and when the first driving motor 23 is disposed on the roll supporting seat 21, the driving end of the first driving motor 23 is disposed parallel to the central rotation axis of the rotation axis 224, so that the first driven wheel 221 and the first driving wheel 231 can be stably engaged, and thus, the first driving motor 23 drives the rotating member 22 to stably rotate.
Also, the wheel diameter of the first driving wheel 231 is smaller than that of the first driven wheel 221, so that the first transmission mechanism can realize the rotation of the rotary member 22 as a reduction mechanism.
As shown in fig. 3 and 4, in an alternative embodiment of the present application, the roll mechanism 20 further includes a first sensing limit structure, where the first sensing limit structure includes a roll limit switch 212 and a limit switch base 222, the limit switch base 222 is disposed on the rotating member 22, the roll limit switch 212 is disposed on the roll supporting seat 21, and a sensing area of the roll limit switch 212 is disposed on a rotating path of the limit switch base 222 relative to the roll supporting seat 21.
The first sensing limiting structure can limit the rotation position of the rotating member 22 relative to the rolling support seat 21 through sensing, on one hand, the current position of the rotating member 22 can be determined through sensing, namely, the zero-returning point action of the rolling mechanism 20 is firstly carried out after the rolling mechanism is electrified, at the moment, the rolling mechanism 20 carries out angle pre-judging zero limiting through the first sensing limiting structure so as to facilitate accurate circumferential rotation and calibration action in the actual application process, and on the other hand, the rotation amplitude of the rotating member 22 can be limited in the actual application process, and the stable operation of the rolling mechanism 20 is ensured.
In the embodiment of the present application, the roll limit switch 212 is a signal generating end, the limit switch base 222 is a signal receiving end, and signal sensing is realized through the emission and the reception of laser. In another embodiment, roll limit switch 212 and limit switch base 222 are directly contacted to effect circuit closure, and the circuit that closes the loop effects sensing. Other structures capable of realizing signal sensing of the first sensing limiting structure can be applied to the application and are not repeated.
Referring to fig. 3 and 4, in an alternative embodiment of the present application, the roll mechanism 20 further includes a first mechanical limiting structure, where the first mechanical limiting structure includes a mechanical limiting column 223 and a bump 211, the bump 211 is disposed on a side edge of the roll support base 21, the mechanical limiting column 223 is disposed on the rotating member 22, and the bump 211 is disposed on a rotating path of the mechanical limiting column 223 relative to the roll support base 21.
The first mechanical limiting structure can limit the rotation position of the rotating member 22 relative to the roll supporting seat 21 through mechanical contact, so as to ensure the stable operation of the roll mechanism 20.
In this embodiment of the present application, the bump 211 is actually formed on the side edge of the roll flange seat 201, and, to ensure the overall balance of the adjusting mechanism, the bump 211 is located on the side edge of the roll flange seat 201 on the other side of the first mounting portion where the first driving motor 23 is mounted, the connection portions connected to the supporting member 10 are extended on two sides of the roll base 202, and the connection portions on two sides of the roll base 202 are located between the bump 211 and the first driving motor 23. The mechanical limiting post 223 is provided with a first face of the rotating member 22, and the mechanical limiting post 223 and the protruding block 211 are in mechanical contact to realize mechanical limiting.
In a further embodiment of the present application, the first sensing limiting structure is close to the first mechanical limiting structure, so as to ensure that the roll mechanism 20 is limited by the first sensing limiting structure, and the first mechanical limiting structure is used as a guarantee on a physical structure to realize limiting, so as to ensure the stability of the roll structure. Specifically, the roll limit switch 212 is disposed on the protrusion 211, and the limit switch base 222 and the mechanical limit post 223 are disposed on the first surface of the rotating member 22 adjacently.
In an alternative embodiment of the present application, as shown in fig. 5 and 6, the pitching mechanism 30 further includes a second transmission mechanism, and the driving end of the second driving motor 33 is connected to the oscillating member 32 through the second transmission mechanism, so as to drive the oscillating member 32 to pitch and swing relative to the pitching support seat 31.
The power of the second driving motor 33 is transmitted to the swinging member 32 by the second transmission mechanism provided. In this application, the second transmission mechanism may serve as a speed reducing mechanism to achieve fine adjustment of the pitch angle of the oscillating piece 32.
Specifically, the second transmission mechanism includes a second driving wheel 331 and a second driven wheel 321, the second driving wheel 331 is connected to the driving end of the second driving motor 33, the second driven wheel 321 is disposed on the swinging member 32, and the second driving wheel 331 is meshed with the second driven wheel 321. The second driving wheel 331 is fixed to the driving end of the second driving motor 33 through a pin, when the second driving motor 33 is disposed on the pitching support seat 31, the driving end of the second driving motor 33 is perpendicular to the central rotation axis of the rotation axis 224, the second driven wheel 321 is connected to the inner surface of the swinging member 32 facing away from the secondary reflection surface 40, the second driven wheel 321 includes gear teeth partially meshed with the first driving wheel 231, the rotation axis of the gear teeth is coaxial with the rotation axis of the swinging member 32 relative to the pitching support seat 31, specifically, the gear teeth and the swinging member 32 both rotate around the rotation axis at the second end of the pitching support 312, so that the swinging member 32 is driven by the second driving motor 33 to rotate stably.
And, the wheel diameter of the second driving wheel 331 is smaller than that of the second driven wheel 321, so that the second transmission mechanism can realize the rotation of the rotary member 22 as a reduction mechanism.
As shown in fig. 5 and 6, in an alternative embodiment of the present application, the pitch mechanism 30 further includes a second sensing limiting structure, where the second sensing limiting structure includes a limiting sensing piece 324 and a pitch limiting switch 313, the limiting sensing piece 324 is disposed on the swinging member 32, the pitch limiting switch 313 is disposed on the pitch supporting seat 31, and a sensing area of the pitch limiting switch 313 is disposed on a swinging path of the limiting sensing piece 324 swinging relative to the pitch supporting seat 31.
The second sensing limiting structure can limit the swinging position of the swinging piece 32 relative to the pitching supporting seat 31 through sensing, on one hand, the current position of the swinging piece 32 can be determined through sensing, namely, the zeroing point action of the pitching mechanism 30 is firstly carried out after the swinging piece is electrified, at the moment, the pitching mechanism 30 carries out angle pre-judging zeroing limiting through the second sensing limiting structure so as to facilitate accurate pitching angle adjustment in the actual application process, and on the other hand, the rotation amplitude of the swinging piece 32 can be limited in the actual application process, and the stable operation of the pitching mechanism 30 is ensured.
In the embodiment of the present application, the pitch limit switch 313 has an induction slot, and when the limit induction piece 324 passes through the induction slot, an electrical signal is generated, so as to realize signal induction. In another embodiment, pitch limit switch 313 and limit sensing tab 324 are directly closed by contact, and the closed loop circuit senses. Other structures capable of realizing signal sensing of the second sensing limiting structure can be applied to the application and will not be described in detail.
As shown in fig. 5 and 6, in an alternative embodiment of the present application, the pitch mechanism 30 further includes a second mechanical limiting structure, where the second mechanical limiting structure includes a mechanical limiting piece 322 and a pitch limiting piece 314, the pitch limiting piece 314 is disposed on the pitch supporting seat 31, the mechanical limiting piece 322 is disposed on the swinging member 32, and the pitch limiting piece 314 is disposed on a swinging path of the mechanical limiting piece 322 swinging relative to the pitch supporting seat 31.
The second mechanical limiting structure can limit the swinging position of the swinging piece 32 relative to the pitching support seat 31 through mechanical contact, so as to ensure the stable operation of the pitching mechanism 30.
In the embodiment of the present application, the mechanical limiting piece 322 and the limiting sensing piece 324 are separately disposed on two sides of a portion of the gear teeth of the second driven wheel 321, and the pitch limiting block 314 and the pitch limiting switch 313 are disposed on the first section of one of the pitch brackets 312, so as to achieve a compact overall structure.
As shown in fig. 7, in addition, in the embodiment of the present application, an antenna is further provided, including a main reflecting surface 200, a secondary reflecting surface 40, a supporting frame, and an adjusting mechanism of the secondary reflecting surface of the antenna; the main reflecting surface 200 is disposed opposite to the auxiliary reflecting surface 40, and has a larger size than the auxiliary reflecting surface 40, and is generally disposed in a paraboloid of revolution, and can be used for receiving and transmitting the microwave signal reflected by the auxiliary reflecting surface 40, thereby realizing the transmission of the microwave signal.
The main reflecting surface 200 and the supporting member 10 are connected by a supporting frame, the sub reflecting surface 40 is disposed toward the main reflecting surface 200, and the sub reflecting surface 40 is connected to the swinging member 32. The support bracket serves to achieve a relative fixation between the main reflecting surface 200 and the support member 10, thereby ensuring that the sub-reflecting surface 40 can achieve a stable angular adjustment with respect to the main reflecting surface 200.
Thus, in the present application, the angle of the secondary reflecting surface 40 relative to the primary reflecting surface 200 can be adjusted by the adjusting mechanism, so as to re-implement focusing of the microwave antenna, ensure stability of the channel link, and further ensure stable transmission of signals.
As shown in fig. 8 and 9, in an alternative embodiment of the present application, the support frame includes a support connection rod and a protection cover 300, the protection cover 300 is covered on the adjusting mechanism of the antenna secondary reflection surface, one end of the protection cover 300 is used for connecting the feed pipe, the other end of the protection cover 300 is connected with the support 10, and the protection cover 300 is connected to the main reflection surface 200 through the support connection rod.
The shield 300 may protect an internal adjusting mechanism, such as waterproof or dustproof, to ensure the overall stable operation of the antenna. The feed tube connected to one end of the shield 300 can convert high-frequency current or bound electromagnetic waves into radiated electromagnetic wave energy, and then the radiated electromagnetic wave energy is reflected by the secondary reflecting surface 40 and the primary reflecting surface 200, so that microwave signal transmission is realized.
In one embodiment, a plurality of support links are provided, the plurality of support links being disposed around the adjustment mechanism of the secondary reflecting surface of the antenna, a first section of the support links being connected to the shield 300, and a second section of the support links being connected to the edge of the primary reflecting surface 200. In an alternative embodiment, four support bars are provided and are uniformly spaced around the shield 300 to ensure that the adjustment mechanism of the antenna secondary reflecting surface is also stably provided in the case that the main reflecting surface 200 is stably provided.
In an alternative embodiment of the present application, as shown in fig. 8 and 9, the protection cover 300 has a first shell surface that is disposed around the feed pipe, and is disposed obliquely toward the secondary reflection surface 40 along a direction away from the feed pipe, where the first shell surface is a microwave-transmitting shell.
In this way, the microwave signal can pass through the first shell surface, and stable transmission of the microwave signal reflected between the main reflecting surface 200 and the auxiliary reflecting surface 40 is ensured. In yet another alternative embodiment, the entirety of the shield 300 is a microwave-transmissive housing. Here, the housing of the perspective microwave may be, but not limited to, a plastic material such as glass or polypropylene.
In one embodiment of the present application, the protection cover 300 includes a protection base 301 and a protection cover 302, where the protection base 301 and the protection cover 302 are cooperatively connected to form a cavity with an adjusting mechanism installed therein. Specifically, the bottom of the protection base 301 is connected with the support 10, and the support 10 is stably connected by the pressing cover 303, the pressing cover 303 and the support 10 are connected by a connecting piece such as a screw, and the first shell surface is relatively arranged at the bottom of the protection cover 302 opposite to the protection base 301, so that the secondary reflecting surface 40 of the connected adjusting mechanism is arranged towards the first shell surface.
In an alternative embodiment of the present application, the protection base 301 and the protection cover 302 are bonded by tight fit and waterproof glue, so as to facilitate installation and achieve better protection. In other embodiments, the connection between the protection base 301 and the protection cover 302 may also be implemented by threads, which will not be described in detail.
As shown in fig. 10, based on the above structure, in the embodiment of the present application, a method for adjusting the antenna secondary reflection surface 40 is further provided, which includes the following steps:
s100, acquiring a control signal. The control signal may be sent by a person actively, for example, by a user through a controller, and of course, the control signal may also be a control signal fed back by the antenna itself, i.e. without manual control.
S200, according to the control signal, the first driving motor 23 and/or the second driving motor 33 are/is controlled to start so as to adjust the angle of the auxiliary reflecting surface 40 relative to the main reflecting surface 200, so that the microwaves emitted or received by the main reflecting surface 200 are focused.
The first driving motor 23 is controlled to realize circumferential rotation and calibration action of the auxiliary reflecting surface 40, and the second driving motor 33 is controlled to adjust the pitching angle of the auxiliary reflecting surface 40, so that the angle of the auxiliary reflecting surface 40 relative to the main reflecting surface 200 is comprehensively controlled, focusing of the microwave antenna is realized, stability of a channel link in the use process of the antenna is ensured, and stable transmission of signals is ensured.
In an alternative embodiment of the present application, in the case that the two-end antennas that are focused simultaneously adopt the adjusting mechanism for the antenna secondary reflection surface provided in the present application, the angle deviation of the respective ends is corrected by controlling the first driving motor 23 and/or the second driving motor 33 of the respective end antennas, so as to further achieve refocusing. And after the adjustment of the antennas at the respective ends is finished, corresponding feedback can be performed by detecting whether focusing is finished, if focus deviation is confirmed, the feedback is fed back to the user so as to remind the user to check the deviation reason and ensure that focusing can be realized again.
In another alternative embodiment of the present application, in the case that only one of the two focused antennas adopts the adjusting mechanism of the antenna secondary reflecting surface provided in the present application, only the first driving motor 23 and/or the second driving motor 33 of one of the two focused antennas is controlled to achieve refocusing. And after one end of the antenna is adjusted, the corresponding feedback can be performed by detecting whether the antenna is focused, if the focusing deviation is confirmed, the feedback is fed back to the user so as to remind the user to adjust the other end of the antenna, and focusing can be realized again.
As shown in fig. 10, in an alternative embodiment of the present application, acquiring the control signal includes:
s101, acquiring the inclination angle and the rotation angle of an antenna, and sending control signals aiming at the inclination angle and the rotation angle; the inclination angle is the pitching angle of the antenna relative to the initial position, and the rotation angle is the rotation angle of the antenna relative to the initial position.
The control signal is the control signal obtained by the antenna through feedback. In one embodiment of the present application, the inclination angle and the rotation angle of the antenna can be detected by the gyroscope, so that corresponding control signals can be fed back to the first driving motor 23 and the second driving motor 33, and the secondary reflection surface 40 is adjusted to refocus. For example, when the antenna is tilted upward, in order to refocus, the sub-reflecting surface 40 should be adjusted to tilt upward with respect to the main reflecting surface 200 at the same time, specifically, the first driving motor 23 and the second driving motor 33 may be controlled in combination such that the sub-reflecting surface 40 rotates axially and then tilts upward; when the antenna rotates, the secondary reflecting surface 40 needs to be adjusted to rotate transversely relative to the primary reflecting surface 200 at the same time, specifically, the first driving motor 23 and the second driving motor 33 can be controlled comprehensively, so that the secondary reflecting surface 40 rotates axially and then the side of the slot rotates transversely. Of course, in practical applications, the antenna may be tilted or rotated, so that the first driving motor 23 and the second driving motor 33 may be controlled comprehensively to adjust the secondary reflecting surface 40, so as to refocus the microwave antenna.
In an embodiment of the present application, the tilt angle and the rotation angle of the antenna are monitored in real time, so that the secondary reflection surface 40 is also finely tuned by the control signal obtained by feedback in real time during the operation of the antenna, and the channel link is not even broken, so that stable signal transmission is ensured.
The foregoing description is only of the preferred embodiments of the present application, and is not intended to limit the scope of the claims, and all equivalent structural changes made by the specification and drawings of the present application or direct/indirect application in other related technical fields are included in the scope of the claims of the present application.

Claims (16)

1. An adjustment mechanism for an antenna secondary reflecting surface, comprising:
a support;
the rolling mechanism comprises a rolling supporting seat, a first driving motor and a rotating piece, wherein the rolling supporting seat is connected with the supporting piece, the rotating piece is rotatably connected with the rolling supporting seat, the first driving motor is arranged on the rolling supporting seat, and the driving end of the first driving motor is used for driving the rotating piece to rotate in a rolling way relative to the rolling supporting seat;
the pitching mechanism comprises a pitching supporting seat, a second driving motor and a swinging piece, wherein the pitching supporting seat is connected with the rotating piece, the swinging piece is rotatably connected with the pitching supporting seat, the second driving motor is arranged on the pitching supporting seat, the driving end of the second driving motor is used for driving the swinging piece to swing in a pitching mode relative to the pitching supporting seat, and the swinging piece is used for being connected with a secondary reflecting surface of the antenna.
2. The adjustment mechanism of claim 1, wherein the roll mechanism further comprises a first transmission mechanism, and the driving end of the first driving motor is connected to the rotating member through the first transmission mechanism, so as to drive the rotating member to perform roll rotation relative to the roll support base.
3. The adjustment mechanism of an antenna secondary reflection surface according to claim 2, wherein the first transmission mechanism includes a first driving wheel and a first driven wheel, the first driving wheel is connected to a driving end of the first driving motor, the first driven wheel is disposed on an outer periphery of the rotating member, and the first driving wheel and the first driven wheel are engaged with each other.
4. The adjustment mechanism of claim 1, wherein the roll mechanism further comprises a first inductive limit structure comprising a roll limit switch and a limit switch mount, the limit switch mount being disposed on the rotating member, the roll limit switch being disposed on the roll support, the inductive area of the roll limit switch being disposed on a rotational path of rotation of the limit switch mount relative to the roll support.
5. The adjustment mechanism of claim 1, wherein the roll mechanism further comprises a first mechanical stop structure, the first mechanical stop structure comprising a mechanical stop post and a bump, the bump being disposed on a side of the roll support, the mechanical stop post being disposed on the rotating member, the bump being disposed on a rotational path of rotation of the mechanical stop post relative to the roll support.
6. The adjustment mechanism for a secondary reflecting surface of an antenna of claim 1, wherein said roll mechanism further comprises a first bearing, said rotatable member having a rotatable shaft thereon, said roll support having a through hole, said first bearing being disposed between said through hole and said rotatable shaft.
7. An adjustment mechanism for a secondary reflecting surface of an antenna according to any one of claims 1 to 6 wherein said pitching mechanism further comprises a second transmission mechanism, said driving end of said second driving motor being coupled to said oscillating member via said second transmission mechanism for driving said oscillating member in pitching motion relative to said pitching support.
8. The adjustment mechanism of an antenna secondary reflection surface as set forth in claim 7 wherein said second transmission mechanism includes a second driving wheel and a second driven wheel, said second driving wheel being connected to a driving end of said second driving motor, said second driven wheel being provided on said oscillating member, said second driving wheel being engaged with said second driven wheel.
9. The adjustment mechanism of any one of claims 1 to 6, wherein the elevation mechanism further comprises a second sensing limit structure, the second sensing limit structure comprising a limit sensing piece and an elevation limit switch, the limit sensing piece being disposed on the swinging member, the elevation limit switch being disposed on the elevation support base, and a sensing area of the elevation limit switch being disposed on a swinging path of the limit sensing piece swinging relative to the elevation support base.
10. The adjustment mechanism of any one of claims 1 to 6, wherein the elevation mechanism further comprises a second mechanical stop structure, the second mechanical stop structure comprising a mechanical stop tab and an elevation stop tab, the elevation stop tab being disposed on the elevation support, the mechanical stop tab being disposed on the swinging member, the elevation stop tab being disposed on a swinging path of the mechanical stop tab swinging relative to the elevation support.
11. An adjustment mechanism for a secondary reflecting surface of an antenna according to any one of claims 1 to 6, wherein said elevation support base comprises an elevation base and two elevation brackets, said elevation base being connected to said rotating member, two sides of said elevation base being connected to first ends of two of said elevation brackets, respectively, and two sides of said oscillating member being rotatably connected to second ends of two of said elevation brackets, respectively.
12. An antenna comprising a main reflecting surface, a secondary reflecting surface, a supporting frame and an adjusting mechanism of the antenna secondary reflecting surface according to any one of claims 1 to 11;
the main reflecting surface is connected with the supporting piece through the supporting frame, the auxiliary reflecting surface is arranged towards the main reflecting surface, and the auxiliary reflecting surface is connected with the swinging piece.
13. The antenna of claim 12, wherein the support comprises a support connection rod and a shield, the shield covers the adjustment mechanism of the antenna secondary reflection surface, one end of the shield is used for connecting a feed pipe, the other end of the shield is connected with the support, and the shield is connected to the main reflection surface through the support connection rod.
14. The antenna of claim 13, wherein the shield has a first housing surface surrounding the feed tube, the first housing surface being disposed obliquely toward the secondary reflecting surface in a direction away from the feed tube, the first housing surface being a microwave-transmissive housing.
15. A method for adjusting an antenna secondary reflecting surface, comprising the steps of:
acquiring a control signal;
and controlling the first driving motor and/or the second driving motor to start according to the control signal so as to adjust the angle of the auxiliary reflecting surface relative to the main reflecting surface and enable the microwaves emitted or received by the main reflecting surface to be focused.
16. The method of adjusting an antenna secondary reflecting surface according to claim 15, wherein the acquiring the control signal comprises:
acquiring the inclination angle and the rotation angle of an antenna, and sending out the control signals aiming at the inclination angle and the rotation angle;
the inclination angle is a pitching angle of the antenna relative to the initial position, and the rotation angle is a rotating angle of the antenna relative to the initial position.
CN202211215447.1A 2022-09-30 2022-09-30 Adjustment mechanism for antenna secondary reflection surface, antenna and adjustment method for antenna secondary reflection surface Pending CN117855870A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202211215447.1A CN117855870A (en) 2022-09-30 2022-09-30 Adjustment mechanism for antenna secondary reflection surface, antenna and adjustment method for antenna secondary reflection surface
PCT/CN2023/088335 WO2024066293A1 (en) 2022-09-30 2023-04-14 Adjusting mechanism for antenna auxiliary reflective surface, antenna, and method for adjusting antenna auxiliary reflective surface

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211215447.1A CN117855870A (en) 2022-09-30 2022-09-30 Adjustment mechanism for antenna secondary reflection surface, antenna and adjustment method for antenna secondary reflection surface

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CN103560315B (en) * 2013-10-15 2016-05-18 北京航天福道高技术股份有限公司 A kind of communication in moving satellite antenna
JP2020025157A (en) * 2018-08-06 2020-02-13 三菱電機株式会社 Antenna device
CN110768028A (en) * 2019-12-02 2020-02-07 中国电子科技集团公司第五十四研究所 Feed source minor face switching linkage device
CN215816436U (en) * 2021-10-19 2022-02-11 西安伊隆纬特通信科技有限公司 Automatic secondary surface adjusting mechanism for communication antenna
CN217468756U (en) * 2022-03-04 2022-09-20 中国电子科技集团公司第三十九研究所 Antenna minor surface adjusting mechanism
CN115000669A (en) * 2022-06-30 2022-09-02 中国电子科技集团公司第五十四研究所 Auxiliary face overturning and rotating device for vehicle-mounted antenna

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