WO2024066293A1

WO2024066293A1 - Adjusting mechanism for antenna auxiliary reflective surface, antenna, and method for adjusting antenna auxiliary reflective surface

Info

Publication number: WO2024066293A1
Application number: PCT/CN2023/088335
Authority: WO
Inventors: 马阳盼; 高飞
Original assignee: 中兴通讯股份有限公司
Priority date: 2022-09-30
Filing date: 2023-04-14
Publication date: 2024-04-04
Also published as: CN117855870A

Abstract

The present disclosure is applicable to the field of antennas. Disclosed are an adjusting mechanism for an antenna auxiliary reflective surface, an antenna, and a method for adjusting an antenna auxiliary reflective surface. The adjusting mechanism for an antenna auxiliary reflective surface comprises a support; a roll mechanism comprising a roll support base, a first driving electric motor and a rotating member, a driving end of the first driving electric motor being configured to drive the rotating member to perform roll rotation movement relative to the roll support base; and a pitch mechanism comprising a pitch support base, a second driving electric motor and a swing member, a driving end of the second driving electric motor being configured to drive the swing member to perform pitch swinging movement relative to the pitch support base, and the swing member being configured for connection to an antenna auxiliary reflective surface.

Description

Adjustment mechanism of antenna sub-reflector, antenna and adjustment method of antenna sub-reflector

CROSS-REFERENCE TO RELATED APPLICATIONS

The present disclosure claims the priority of Chinese patent application CN202211215447.1 filed on September 30, 2022, entitled “Adjustment mechanism of antenna sub-reflector surface, antenna, and adjustment method of antenna sub-reflector surface,” the entire contents of which are incorporated into the present disclosure by reference.

Technical Field

The present disclosure relates to the field of antennas, and in particular to an adjustment mechanism for an antenna sub-reflector, an antenna, and an adjustment method for an antenna sub-reflector.

Background technique

With the rapid layout and application of 5G networks, related communication equipment is constantly being developed and applied. In addition, as customers and users' demands for signal stability increase, new requirements are put forward for the signal stability of communication equipment during channel link transmission.

Traditional microwave EBAND and antenna products, as high-frequency microwave transmission equipment, play an important role in microwave transmission links. The antenna part of the microwave transmission equipment is installed on the tower pole through the mounting parts. The relative positions of the main surface and the secondary surface inside the antenna are fixed. The microwave antennas at the transmitting and receiving ends are focused to achieve signal transmission in the channel link.

However, due to the influence of the external environment, when subjected to wind load or vibration, the focus of the microwave antenna will be deviated, causing the entire channel link to occasionally break, affecting the stable transmission of the signal.

Summary of the invention

The present disclosure provides an adjustment mechanism for an antenna sub-reflection surface, an antenna, and an adjustment method for an antenna sub-reflection surface.

In one aspect, the present disclosure provides an adjustment mechanism for a sub-reflector of an antenna, comprising: a support member; a roll mechanism, the roll mechanism comprising a roll support seat, a first drive motor and a rotating member, the roll support seat is connected to the support member, the rotating member is rotatably connected to the roll support seat, the first drive motor is disposed on the roll support seat, and the driving end of the first drive motor is used to drive the rotating member to roll and rotate relative to the roll support seat; and a pitch mechanism, the pitch mechanism comprising a pitch support seat, a second drive motor and a swinging member, the pitch support seat is connected to the rotating member, the swinging member is rotatably connected to the pitch support seat, the second drive motor is disposed on the pitch support seat, the driving end of the second drive motor is used to drive the swinging member to pitch and swing relative to the pitch support seat, and the swinging member is used to be connected to the sub-reflector of the antenna.

In one aspect, the present disclosure further provides an antenna, comprising a main reflector, a secondary reflector, a support frame, and the An adjustment mechanism for the antenna sub-reflector; the main reflector and the support member are connected via the support frame, the sub-reflector is arranged toward the main reflector, and the sub-reflector is connected to the swing member.

In one aspect, the present disclosure also provides a method for adjusting a sub-reflector of an antenna, using the adjustment mechanism of the sub-reflector of the antenna, and the method for adjusting the sub-reflector of the antenna includes: obtaining a control signal; according to the control signal, controlling the first drive motor and/or the second drive motor to start, so as to adjust the angle of the sub-reflector relative to the main reflector, so as to focus the microwaves emitted or received by the main reflector.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or related technologies, the drawings required for use in the embodiments or related technical descriptions will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

FIG1 is a schematic structural diagram of an adjustment mechanism for an antenna sub-reflector provided in an embodiment of the present disclosure;

FIG2 is a schematic diagram of the exploded structure of an adjustment mechanism for an antenna sub-reflector provided in an embodiment of the present disclosure;

3 is a schematic structural diagram of a rolling mechanism of an adjustment mechanism of an antenna sub-reflector provided in an embodiment of the present disclosure;

4 is a cross-sectional schematic diagram of a rolling mechanism of an adjustment mechanism of an antenna sub-reflector provided in an embodiment of the present disclosure;

5 is a schematic structural diagram of a pitch mechanism of an adjustment mechanism for an antenna sub-reflector provided in an embodiment of the present disclosure;

6 is a cross-sectional schematic diagram of a pitch mechanism of an adjustment mechanism of an antenna sub-reflector provided in an embodiment of the present disclosure;

FIG7 is a schematic diagram of the structure of an antenna provided in an embodiment of the present disclosure;

FIG8 is a schematic structural diagram of a protective cover of an antenna provided in an embodiment of the present disclosure;

FIG9 is a schematic diagram of a disassembled protective cover of an antenna provided in an embodiment of the present disclosure;

FIG. 10 is a schematic diagram of a flow chart of a method for adjusting a sub-reflecting surface of an antenna provided in an embodiment of the present disclosure; and

FIG. 11 is a second schematic flow chart of the method for adjusting the antenna sub-reflector provided in an embodiment of the present disclosure.

Explanation of the reference numerals: 10: support member; 20: roll mechanism; 21: roll support seat; 201: roll flange seat; 202: roll base; 203: bearing end cover; 211: bump; 212: roll limit switch; 22: rotating member; 221: first driven wheel; 222: limit switch base; 223: mechanical limit column; 224: rotating shaft; 225: locking end cover; 23: first drive motor; 231: first driving wheel; 24: first bearing; 30: pitch Mechanism; 31: pitch support seat; 311: pitch base; 312: pitch bracket; 313: pitch limit switch; 314: pitch limit block; 32: swing member; 321: second driven wheel; 322: mechanical limit plate; 323: connecting rod; 324: limit sensing plate; 33: second drive motor; 331: second active wheel; 40: secondary reflector; 200: primary reflector; 300: protective cover; 301: protective base; 302: protective cover; 303: pressing cover.

Detailed ways

The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, rather than all the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

It should be noted that all directional indications in the embodiments of the present disclosure (such as up, down, left, right, front, back, etc.) are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

It should also be noted that when an element is referred to as being "fixed on" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element at the same time. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or may be indirectly connected to the other element through an intermediate element.

In addition, the descriptions of "first", "second", etc. in the present disclosure are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present disclosure.

Microwave transmission equipment in high frequency bands usually requires microwave antennas for transmission, that is, the transmitting end microwave antenna transmits microwave signals, and the receiving end microwave antenna receives microwave signals. In order to improve the stability of signal transmission, it is necessary to ensure that the microwave antenna is focused to obtain a stable channel link. When affected by external environmental factors such as wind or vibration, the microwave antenna may deviate from its position or angle. At this time, the channel link between the originally focused microwave antennas may occasionally break, affecting the transmission of the signal. In response to this, the present disclosure proposes an antenna sub-reflector adjustment mechanism, an antenna, and an antenna sub-reflector adjustment method, which can readjust the microwave emission and/or reception angle when the microwave antenna deviates, so as to refocus the microwave antenna, ensure the stability of the channel link, and further ensure the stable transmission of the signal.

The antenna described in the present disclosure can be applied to the microwave antenna at either end, that is, the microwave antenna at one end adopts the antenna proposed in the present disclosure, and the conventional antenna is adopted at the other end, and refocusing is achieved by adjusting the antenna at one end. Alternatively, the antenna described in the present disclosure can be applied to the microwave antennas at both ends at the same time, and refocusing is achieved by adjusting the antennas at each end.

As shown in FIG. 1 to FIG. 6 , an adjustment mechanism for an antenna sub-reflector provided in an embodiment of the present disclosure includes: a support member 10 , a roll mechanism 20 , and a pitch mechanism 30 .

As shown in Figures 1 and 2 , the support member 10 is used to support the entire adjustment mechanism. In some optional embodiments of the present disclosure, the support member 10 is a support flange seat connected to the rolling support seat 21 .

As shown in FIGS. 1 to 4 , the rolling mechanism 20 includes a rolling support seat 21, a first drive motor 23 and a rotating member 22. The rolling support seat 21 is connected to the support member 10 , the rotating member 22 is rotatably connected to the rolling support seat 21 , the first driving motor 23 is arranged on the rolling support seat 21 , and the driving end of the first driving motor 23 is used to drive the rotating member 22 to roll relative to the rolling support seat 21 .

In some optional embodiments of the present disclosure, the roll support seat 21 includes a roll base 202 and a roll flange seat 201, both ends of the roll base 202 are connected to the support member 10 through support screw columns, the roll support seat 21 is connected to the roll flange seat 201 through screws, the first drive motor 23 is arranged on one side of the roll flange seat 201, and a first mounting portion is extended from one side of the roll flange seat 201, and the first drive motor 23 is arranged on the first mounting portion.

In some optional embodiments of the present disclosure, the rolling mechanism 20 further includes a first bearing 24, the rotating member 22 has a rotating shaft 224, the rolling support seat 21 has a through hole, and a first bearing 24 is provided between the through hole and the rotating shaft 224. The first surface of the rotating member 22 has a rotating shaft 224, the rolling support seat 21 has a through hole that passes through the rolling base 202 and the rolling flange seat 201, the rotating shaft 224 is penetrated through the through hole, and a first bearing 24 is provided between the rotating shaft 224 and the side wall of the through hole to realize the rotation of the rotating member 22. In addition, 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 rotating shaft 224, and the rotating shaft 224 has a first step portion. The inner ring of the first bearing 24 is fixedly arranged between the first step portion of the rotating shaft 224 and the locking end cover 225. In addition, the through hole of the roll flange seat 201 has a second step portion, and the roll support seat 21 also includes a bearing end cover 203. The bearing end cover 203 is arranged on the side of the roll flange seat 201 away from the second step portion, and the outer ring of the first bearing 24 is fixedly arranged between the second step portion of the roll flange seat 201 and the bearing end cover 203.

In other optional embodiments, the driving end of the first driving motor 23 disposed on the rolling support seat 21 can be directly connected to the rotating member 22 to achieve driving and rotation at the same time.

As shown in Figures 1, 2, 5 and 6, in addition, the pitch mechanism 30 includes a pitch support seat 31, a second drive motor 33 and a swing member 32. The pitch support seat 31 is connected to the rotating member 22, the swing member 32 is rotatably connected to the pitch support seat 31, the second drive motor 33 is arranged on the pitch support seat 31, and the driving end of the second drive motor 33 is used to drive the swing member 32 to pitch and swing relative to the pitch support seat 31. The swing member 32 is used to connect to the secondary reflecting surface 40 of the antenna.

In some optional embodiments of the present disclosure, the pitch support seat 31 includes a pitch bottom support base, which is coaxially connected to the second surface of the rotating member 22 and can be connected by screws to ensure that the pitch mechanism 30 can rotate coaxially when the rotating member 22 rotates. The first surface of the pitch base 311 has a docking portion, which can be optionally annularly rotatable, and the second surface of the rotating member 22 has a docking groove, which is adapted to the docking portion for easy assembly, so that the first surface of the pitch base 311 is closely attached to the second surface of the rotating member 22, and a stable connection is achieved by screw connection.

In some optional embodiments of the present disclosure, the pitch support seat 31 also includes two pitch brackets 312, the pitch base 311 is connected to the rotating member 22, the two sides of the pitch base 311 are respectively connected to the first ends of the two pitch brackets 312, and the two sides of the swing member 32 are respectively rotatably connected to the second ends of the two pitch brackets 312.

In this way, the swing member 32 will not interfere with the pitch support seat 31 during the swinging process. In the embodiment, the first end of the pitch support 312 is connected to the second surface of the pitch base 311, which can be screwed, and the pitch support 312 is connected to the second surface of the pitch base 311. In the direction from the first end to the second end, the pitch bracket 312 first extends away from the pitch base 311 to form a first section, then bends away from the other pitch bracket 312 to extend to form a second section, and then extends away from the pitch base 311 to form a third section, so that the distance between the third sections of the two pitch brackets 312 is increased to avoid interference between the swing member 32 and the pitch support seat 31. In the present disclosure, the second drive motor 33 is disposed on one of the pitch brackets 312, and a second mounting portion is disposed at the first end of the pitch bracket 312, and the second mounting portion is located between the pitch base 311, the swing member 32, and the two pitch brackets 312, and the second drive motor 33 is disposed on the second mounting portion.

As shown in FIG. 5 and FIG. 6, in some optional embodiments of the present disclosure, connecting rods 323 are further provided at both ends of the swing member 32, the first end of the connecting rod 323 is connected to the swing member 32, the second end of the connecting rod 323 is rotatably connected to the second end of the pitch bracket 312, and the first end of the connecting rod 323 is located on the side of the second end facing the pitch base 311, so that the swing member 32 is arranged close to the pitch base 311, reducing the space occupied by the entire mechanism. In the present disclosure, the extension length of the pitch bracket 312 and/or the extension length of the connecting rod 323 can be adjusted according to the distance requirement between the secondary reflector 40 and the main reflector 200, and the distance between the second ends of the two pitch brackets 312 can be adjusted according to the size requirement of the secondary reflector 40, so as to make the structure compact.

In other optional embodiments, the driving end of the second driving motor 33 disposed on the pitch support seat 31 may be directly connected to the swing member 32 to achieve driving and rotation at the same time.

Following the above, the swing member 32 is used for the secondary reflector 40. It should be noted that the secondary reflector 40 here can be directly provided on the swing member 32, or can be indirectly connected to the swing member 32. In some optional embodiments of the present disclosure, the secondary reflector 40 is actually integrated with the swing member 32, that is, the outer surface of the swing member 32 away from the pitch base 311 is the secondary reflector 40, and the secondary reflector 40 is arranged in an arc-shaped protrusion in the direction away from the pitch base 311, generally in a rotating hyperboloid arrangement, so as to reflect microwave signals. Of course, in other embodiments, the secondary reflector 40 can also be connected to the swing member 32 through a connecting member, and when the angle of the swing member 32 is adjusted, the angle of the secondary reflector 40 can also be adjusted at the same time.

In the present disclosure, the circumferential rotation and calibration action of the sub-reflecting surface 40 can be achieved by controlling the first driving motor 23, and the pitch angle of the sub-reflecting surface 40 can be adjusted by controlling the second driving motor 33, thereby comprehensively controlling the angle of the sub-reflecting surface 40 relative to the main reflecting surface 200. When affected by the external environment, even if the antenna focus deviates, the microwave antenna focus can be re-achieved by adjusting the angle of the sub-reflecting surface 40 relative to the main reflecting surface 200, thereby ensuring the stability of the channel link and thus ensuring the stable transmission of the signal.

As shown in Figures 3 and 4, in some optional embodiments of the present disclosure, the rolling mechanism 20 also includes a first transmission mechanism, and the driving end of the first drive motor 23 is connected to the rotating member 22 through the first transmission mechanism to drive the rotating member 22 to roll relative to the rolling support seat 21.

The first transmission mechanism is provided to transmit the power of the first driving motor 23 to the rotating member 22. In the present disclosure, the first transmission mechanism can be used as a speed reduction mechanism to achieve the fine adjustment of the circumferential rotation of the secondary reflector 40 and the calibration action.

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 arranged on the outer periphery of the rotating member 22. The first driven wheel 221 is a gear structure formed on the outer periphery of the rotating member 22. Of course, the first driven wheel 221 can also be coaxially arranged with the rotating member 22 as needed. The first driving wheel 231 is fixed to the driving end of the first driving motor 23 through a pin. When the first driving motor 23 is arranged on the rolling support seat 21, the driving end of the first driving motor 23 is arranged parallel to the central axis of the aforementioned rotating shaft 224, so that the first driven wheel 221 and the first driving wheel 231 can be stably engaged, so that the first driving motor 23 drives the rotating member 22 to rotate stably.

Furthermore, the diameter of the first driving wheel 231 is smaller than that of the first driven wheel 221 , so that the first transmission mechanism can be used as a speed reduction mechanism to realize the rotation of the rotating member 22 .

As shown in Figures 3 and 4, in some optional embodiments of the present disclosure, the roll mechanism 20 also includes a first sensing limit structure, which includes a roll limit switch 212 and a limit switch base 222. The limit switch base 222 is disposed on the rotating member 22, and the roll limit switch 212 is disposed on the roll support seat 21. The sensing area of the roll limit switch 212 is located on the rotation path of the limit switch base 222 relative to the roll support seat 21.

The first sensing limit structure can limit the rotational position of the rotating part 22 relative to the rolling support seat 21 through sensing. On the one hand, the current position of the calibrated rotating part 22 can be determined through sensing, that is, the rolling mechanism 20 is firstly returned to the zero point after power is turned on. At this time, the rolling mechanism 20 performs angle pre-judgment and zeroing limit through the first sensing limit structure, so as to perform accurate circumferential rotation and calibration actions during actual use. On the other hand, the rotation amplitude of the rotating part 22 can be limited during actual use to ensure the stable operation of the rolling mechanism 20.

In the embodiment of the present disclosure, the roll limit switch 212 is a signal generating end, and the limit switch base 222 is a signal receiving end, and signal sensing is achieved through the emission and reception of lasers. In other embodiments, the roll limit switch 212 and the limit switch base 222 directly close the circuit through contact, and the circuit forming a loop is closed to achieve sensing. Other structures that can achieve signal sensing of the first sensing limit structure can be applied to the present disclosure and will not be described in detail.

As shown in Figures 3 and 4, in some optional embodiments of the present disclosure, the rolling mechanism 20 also includes a first mechanical limiting structure, which includes a mechanical limiting column 223 and a protrusion 211. The protrusion 211 is arranged on the side of the rolling support seat 21, and the mechanical limiting column 223 is arranged on the rotating member 22. The protrusion 211 is located on the rotation path of the mechanical limiting column 223 relative to the rolling support seat 21.

The first mechanical limiting structure can limit the rotational position of the rotating member 22 relative to the rolling support seat 21 through mechanical contact, thereby ensuring the stable operation of the rolling mechanism 20 .

In the embodiment of the present disclosure, the protrusion 211 is actually arranged on the side of the rolling flange seat 201, and in order to ensure the overall balance of the adjustment mechanism, the protrusion 211 is located on the side of the other side of the first mounting portion of the rolling flange seat 201 on which the first drive motor 23 is mounted, and the two sides of the rolling base 202 extend with connecting portions connected to the support member 10, and the connecting portions on both sides of the rolling base 202 are located between the protrusion 211 and the first drive motor 23. The mechanical limit column 223 is provided with the first surface of the rotating member 22, and the mechanical limit column 223 and the protrusion 211 are mechanically contacted to achieve mechanical limit.

In a further embodiment of the present disclosure, the first inductive limiting structure is arranged close to the first mechanical limiting structure to ensure The rolling mechanism 20 is first limited by the first inductive limit structure, and the first mechanical limit structure is used as a physical structure to achieve the limit, ensuring the stability of the rolling structure. The aforementioned rolling limit switch 212 is arranged on the protrusion 211, and the limit switch base 222 and the mechanical limit column 223 are adjacently arranged on the first surface of the rotating member 22.

As shown in Figures 5 and 6, in some optional embodiments of the present disclosure, the pitch mechanism 30 also includes a second transmission mechanism, and the driving end of the second drive motor 33 is connected to the swing member 32 through the second transmission mechanism to drive the swing member 32 to pitch and swing relative to the pitch support seat 31.

The second transmission mechanism is provided to transmit the power of the second drive motor 33 to the swing member 32. In the present disclosure, the second transmission mechanism can be used as a speed reduction mechanism to achieve fine adjustment of the pitch angle of the swing member 32.

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 arranged on the swinging member 32. The second driving wheel 331 and the second driven wheel 321 are meshed. The second driving wheel 331 is fixed to the driving end of the second driving motor 33 by a pin. When the second driving motor 33 is arranged on the pitch support seat 31, the driving end of the second driving motor 33 is arranged perpendicular to the central axis of the aforementioned rotating shaft 224. The second driven wheel 321 is connected to the inner surface of the swinging member 32 away from the secondary reflector 40. The second driven wheel 321 includes a part of the gear teeth 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 rotating relative to the pitch support seat 31. The gear teeth and the swinging member 32 both rotate around the rotation axis at the second end of the pitch support 312 to achieve the second driving motor 33 driving the swinging member 32 to rotate stably.

Furthermore, the diameter of the second driving wheel 331 is smaller than that of the second driven wheel 321 , so that the second transmission mechanism can be used as a speed reduction mechanism to realize the rotation of the rotating member 22 .

As shown in Figures 5 and 6, in some optional embodiments of the present disclosure, the pitch mechanism 30 also includes a second sensing limit structure, the second sensing limit structure includes a limit sensing plate 324 and a pitch limit switch 313, the limit sensing plate 324 is arranged on the swing member 32, the pitch limit switch 313 is arranged on the pitch support seat 31, and the sensing area of the pitch limit switch 313 is located on the swing path of the limit sensing plate 324 relative to the pitch support seat 31.

The second induction limit structure can limit the swing position of the swing member 32 relative to the pitch support seat 31 through induction. On the one hand, the current position of the calibrated swing member 32 can be determined through induction, that is, the pitch mechanism 30 is first returned to the zero point after power is turned on. At this time, the pitch mechanism 30 performs angle pre-judgment and zeroing limit through the second induction limit structure, so as to facilitate accurate pitch angle adjustment during actual use. On the other hand, the rotation amplitude of the swing member 32 can be limited during actual use to ensure the stable operation of the pitch mechanism 30.

In the embodiment of the present disclosure, the pitch limit switch 313 has a sensing slot, and when the limit sensing piece 324 passes through the sensing slot, an electrical signal is generated to achieve signal sensing. In other embodiments, the pitch limit switch 313 and the limit sensing piece 324 directly close the circuit through contact, and the circuit forming a loop is closed to achieve sensing. Other structures that can achieve signal sensing of the second sensing limit structure can be used in the present disclosure and will not be described in detail.

As shown in FIG5 and FIG6, in some optional embodiments of the present disclosure, the pitch mechanism 30 further includes a second mechanical limit structure. The second mechanical limit structure includes a mechanical limit piece 322 and a pitch limit block 314 . The pitch limit block 314 is arranged on the pitch support seat 31 . The mechanical limit piece 322 is arranged on the swing member 32 . The pitch limit block 314 is located on the swing path of the mechanical limit piece 322 relative to the pitch support seat 31 .

The second mechanical limiting structure can limit the swing position of the swing member 32 relative to the pitch support seat 31 through mechanical contact, thereby ensuring stable operation of the pitch mechanism 30 .

In the embodiment of the present disclosure, the mechanical limit plate 322 and the limit sensing plate 324 are respectively arranged on both sides of some teeth of the second driven wheel 321, and the pitch limit block 314 and the pitch limit switch 313 are arranged at the first section of one of the pitch brackets 312 to achieve a compact overall structure.

As shown in Figure 7, in addition, in the embodiment of the present disclosure, an antenna is also proposed, including a main reflecting surface 200, a sub-reflecting surface 40, a supporting frame and an adjustment mechanism for the antenna sub-reflecting surface; the main reflecting surface 200 is arranged relative to the sub-reflecting surface 40, and its size is larger than that of the sub-reflecting surface 40. It is generally arranged as a rotating parabola, and can be used to receive microwave signals reflected by the sub-reflecting surface 40, and to transmit microwave signals to realize the transmission of microwave signals.

The main reflective surface 200 and the support member 10 are connected via a support frame, the secondary reflective surface 40 is arranged toward the main reflective surface 200, and the secondary reflective surface 40 is connected to the swing member 32. The support frame is used to achieve relative fixation between the main reflective surface 200 and the support member 10, thereby ensuring that the secondary reflective surface 40 can achieve stable angle adjustment relative to the main reflective surface 200.

Thus, in the present disclosure, the angle of the secondary reflector 40 relative to the primary reflector 200 can be adjusted by the adjustment mechanism to refocus the microwave antenna, ensure the stability of the channel link, and further ensure stable signal transmission.

As shown in Figures 8 and 9, in some optional embodiments of the present disclosure, the support frame includes a supporting connecting rod and a protective cover 300. The protective cover 300 is arranged on an adjustment mechanism of the secondary reflector of the antenna. One end of the protective cover 300 is used to connect the feed tube, and the other end of the protective cover 300 is connected to the support member 10. The protective cover 300 is connected to the main reflector 200 through the supporting connecting rod.

The protective cover 300 can protect the internal adjustment mechanism, such as waterproof or dustproof, to ensure the stable operation of the antenna as a whole. The feed tube connected to one end of the protective cover 300 can convert high-frequency current or bound electromagnetic waves into radiated electromagnetic wave energy, which is then reflected by the secondary reflector 40 and the main reflector 200 to achieve the transmission of microwave signals.

In some embodiments, a plurality of support connecting rods are provided, and the plurality of support connecting rods are provided around the adjustment mechanism of the antenna sub-reflector, the first section of the support connecting rod is connected to the protective cover 300, and the second section of the support connecting rod is connected to the edge of the main reflector 200. In some optional embodiments, four support connecting rods are provided, and the four support connecting rods are evenly spaced around the protective cover 300 to ensure that when the main reflector 200 is stably provided, the adjustment mechanism of the antenna sub-reflector can also be stably provided.

As shown in Figures 8 and 9, in some optional embodiments of the present disclosure, the protective cover 300 has a first shell surface arranged in a ring around the feed tube, and the first shell surface is inclined toward the sub-reflection surface 40 in a direction away from the feed tube. The first shell surface is a shell that transmits microwaves.

In this way, the microwave signal can pass through the first shell surface, ensuring the stable transmission of the microwave signal reflected between the main reflection surface 200 and the secondary reflection surface 40. In some other optional embodiments, the protective cover 300 is a shell that can transmit microwaves. The microwave-permeable shell can be made of, but not limited to, glass, polypropylene or other plastic materials.

In some embodiments of the present disclosure, the protective cover 300 includes a protective base 301 and a protective cover 302. The protective base 301 and the protective cover 302 are connected to form a cavity in which the adjustment mechanism is installed. The bottom of the protective base 301 is connected to the support member 10, and the support member 10 is stably connected through the clamping cover 303. The clamping cover 303 and the support member 10 are connected by screws and other connecting members. The first shell surface is arranged relative to the bottom of the protective cover 302 relative to the protective base 301, so that the secondary reflection surface 40 of the connected adjustment mechanism is arranged toward the first shell surface.

In some optional embodiments of the present disclosure, the protective base 301 and the protective cover 302 are bonded by tight fit and waterproof glue to facilitate installation and achieve better protection. In other embodiments, the protective base 301 and the protective cover 302 can also be connected by threads, which will not be described in detail.

As shown in FIG. 10 , based on the above structure, in an embodiment of the present disclosure, a method for adjusting the antenna sub-reflector 40 is further proposed, including the following steps S100 and S200 .

S100, obtaining a control signal. The control signal here can be actively sent by humans, such as sent by a user through a controller. Of course, the control signal can also be a control signal fed back by the antenna itself, that is, no human control is required.

S200, according to the control signal, control the first driving motor 23 and/or the second driving motor 33 to start, so as to adjust the angle of the secondary reflecting surface 40 relative to the main reflecting surface 200, so as to focus the microwaves emitted or received by the main reflecting surface 200.

By controlling the first driving motor 23, the circumferential rotation and calibration action of the sub-reflecting surface 40 can be realized. By controlling the second driving motor 33, the pitch angle of the sub-reflecting surface 40 can be adjusted, and then the angle of the sub-reflecting surface 40 relative to the main reflecting surface 200 can be comprehensively controlled to realize the focusing of the microwave antenna, ensure the stability of the channel link during the use of the antenna, and ensure the stable transmission of the signal.

In some optional embodiments of the present disclosure, when the two end antennas in focus simultaneously use the adjustment mechanism of the antenna sub-reflector provided in the present disclosure, the angle deviation of each end is corrected by controlling the first drive motor 23 and/or the second drive motor 33 of each end antenna, thereby achieving refocusing. In addition, after the adjustment of each end antenna is completed, corresponding feedback can be provided by detecting whether the focus is in focus. If the focus deviation is confirmed, feedback is provided to the user to remind the user to check the cause of the deviation to ensure that the focus can be re-achieved.

In some other optional embodiments of the present disclosure, when only one of the two end antennas in focus adopts the adjustment mechanism of the antenna sub-reflector provided in the present disclosure, only the first drive motor 23 and/or the second drive motor 33 of the antenna at one end is controlled to achieve refocusing. In addition, after the adjustment of one end antenna is completed, corresponding feedback can be given by detecting whether it is in focus. If the focus deviation is confirmed, feedback is given to the user to remind the user to adjust the other end antenna to ensure that the focus can be re-achieved.

As shown in FIG11 , in some optional embodiments of the present disclosure, obtaining a control signal includes: S101, obtaining the tilt angle and rotation angle of the antenna, and sending a control signal for the tilt angle and rotation angle. The tilt angle is the pitch 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 here is the control signal obtained by the antenna through its own feedback. In some embodiments of the present disclosure, the inclination and rotation angle of the antenna can be detected by a gyroscope, so as to feedback the corresponding control signal to the first drive motor 23 and the second drive motor 33, and the sub-reflector 40 can be adjusted to refocus. For example, when the antenna is tilted upward, in order to refocus, it is necessary to adjust the sub-reflector 40 to tilt upward relative to the main reflector 200 at the same time, and the first drive motor 23 and the second drive motor 33 can be comprehensively controlled so that the sub-reflector 40 rotates axially and then tilts upward; when the antenna rotates, it is necessary to adjust the sub-reflector 40 to rotate horizontally relative to the main reflector 200 at the same time, and the first drive motor 23 and the second drive motor 33 can be comprehensively controlled so that the sub-reflector 40 rotates axially and then the side of the groove rotates horizontally. Of course, in actual practice, the antenna may be tilted and rotated. In this way, the first drive motor 23 and the second drive motor 33 can also be comprehensively controlled to adjust the sub-reflector 40 to achieve refocusing of the microwave antenna.

In some embodiments of the present disclosure, the tilt angle and rotation angle of the antenna are monitored in real time. Therefore, during the operation of the antenna, the sub-reflector 40 is also fine-tuned in real time through the control signal obtained through feedback, and the channel link will not be occasionally disconnected, thereby ensuring stable signal transmission.

The adjustment mechanism of the antenna sub-reflector provided by the present disclosure can realize the circumferential rotation and more accurate movement of the sub-reflector by controlling the first driving motor, and can adjust the pitch angle of the sub-reflector by controlling the second driving motor, thereby comprehensively controlling the angle of the sub-reflector relative to the main reflecting surface. When affected by the external environment, even if the focus of the antenna deviates, the focus of the microwave antenna can be re-realized by adjusting the angle of the sub-reflector relative to the main reflecting surface, thereby ensuring the stability of the channel link and thus ensuring the stable transmission of the signal.

The above descriptions are only optional embodiments of the present disclosure, and are not intended to limit the patent scope of the present disclosure. All equivalent structural changes made based on the contents of the present disclosure and the drawings, or directly/indirectly applied in other related technical fields, are included in the patent protection scope of the present disclosure.

Claims

An adjustment mechanism for an antenna sub-reflector, comprising:

supporting item;

A rolling mechanism, the rolling mechanism comprising a rolling support seat, a first driving motor and a rotating member, the rolling support seat is connected to the supporting member, the rotating member is rotatably connected to the rolling support seat, the first driving motor is arranged on the rolling support seat, and the driving end of the first driving motor is used to drive the rotating member to roll relative to the rolling support seat; and

The pitch mechanism includes a pitch support seat, a second drive motor and a swinging member, the pitch support seat is connected to the rotating member, the swinging member is rotatably connected to the pitch support seat, the second drive motor is arranged on the pitch support seat, the driving end of the second drive motor is used to drive the swinging member to pitch and swing relative to the pitch support seat, and the swinging member is used to be connected to the secondary reflecting surface of the antenna.
The adjustment mechanism of the antenna sub-reflector as described in claim 1, wherein the roll mechanism also includes a first transmission mechanism, and the driving end of the first drive motor is connected to the rotating member through the first transmission mechanism to drive the rotating member to roll relative to the roll support seat.
The adjustment mechanism of the antenna sub-reflector as described in claim 2, wherein the first transmission mechanism includes a first driving wheel and a first driven wheel, the first driving wheel is connected to the driving end of the first driving motor, the first driven wheel is arranged on the outer periphery of the rotating member, and the first driving wheel and the first driven wheel are meshed.
The adjustment mechanism of the antenna sub-reflector as described in claim 1, wherein the roll mechanism also includes a first induction limit structure, the first induction limit structure includes a roll limit switch and a limit switch base, the limit switch base is arranged on the rotating member, the roll limit switch is arranged on the roll support seat, and the sensing area of the roll limit switch is located on the rotation path of the limit switch base relative to the roll support seat.
The adjustment mechanism of the antenna sub-reflector as described in claim 1, wherein the roll mechanism also includes a first mechanical limit structure, the first mechanical limit structure includes a mechanical limit column and a protrusion, the protrusion is arranged on the side of the roll support seat, the mechanical limit column is arranged on the rotating member, and the protrusion is located on the rotation path of the mechanical limit column relative to the roll support seat.
The adjustment mechanism of the antenna sub-reflector as described in claim 1, wherein the roll mechanism also includes a first bearing, the rotating member has a rotating shaft, the roll support seat has a through hole, and the first bearing is arranged between the through hole and the rotating shaft.
The adjustment mechanism of the antenna sub-reflector as described in any one of claims 1 to 6, wherein the pitch mechanism also includes a second transmission mechanism, and the driving end of the second drive motor is connected to the swing member through the second transmission mechanism to drive the swing member to pitch and swing relative to the pitch support seat.
The adjustment mechanism of the antenna sub-reflector according to claim 7, wherein the second transmission mechanism comprises A second driving wheel and a second driven wheel, wherein the second driving wheel is connected to a driving end of the second driving motor, the second driven wheel is arranged on the swinging member, and the second driving wheel and the second driven wheel are meshed.
The adjustment mechanism of the antenna sub-reflector as described in any one of claims 1 to 6, wherein the pitch mechanism also includes a second inductive limit structure, the second inductive limit structure includes a limit sensing plate and a pitch limit switch, the limit sensing plate is arranged on the swinging member, the pitch limit switch is arranged on the pitch support seat, and the sensing area of the pitch limit switch is located on the swinging path of the limit sensing plate relative to the pitch support seat.
The adjustment mechanism of the antenna sub-reflector as described in any one of claims 1 to 6, wherein the pitch mechanism also includes a second mechanical limit structure, the second mechanical limit structure includes a mechanical limit plate and a pitch limit block, the pitch limit block is arranged on the pitch support seat, the mechanical limit plate is arranged on the swinging member, and the pitch limit block is located on the swinging path of the mechanical limit plate relative to the pitch support seat.
The adjustment mechanism of the antenna sub-reflector as described in any one of claims 1 to 6, wherein the pitch support seat includes a pitch base and two pitch brackets, the pitch base is connected to the rotating member, the two sides of the pitch base are respectively connected to the first ends of the two pitch brackets, and the two sides of the swing member are respectively rotatably connected to the second ends of the two pitch brackets.
An antenna, comprising a main reflector, a sub-reflector, a support frame, and an adjustment mechanism for the antenna sub-reflector as claimed in any one of claims 1 to 11; wherein:

The main reflecting surface and the supporting member are connected via the supporting frame, the secondary reflecting surface is arranged toward the main reflecting surface, and the secondary reflecting surface is connected to the swinging member.
The antenna as claimed in claim 12, wherein the support frame includes a supporting connecting rod and a protective cover, the protective cover is arranged on the adjustment mechanism of the secondary reflector of the antenna, one end of the protective cover is used to connect the feed tube, and the other end of the protective cover is connected to the support member, and the protective cover is connected to the main reflector through the supporting connecting rod.
The antenna as claimed in claim 13, wherein the protective cover has a first shell surface arranged in a ring around the feed tube, and the first shell surface is inclined toward the sub-reflection surface in a direction away from the feed tube, and the first shell surface is a shell that transmits microwaves.
A method for adjusting an antenna sub-reflector, wherein the adjustment mechanism for the antenna sub-reflector according to any one of claims 1 to 11 is used, and the method for adjusting the antenna sub-reflector comprises:

Get control signal;

According to the control signal, the first driving motor and/or the second driving motor are controlled to start, so as to adjust the angle of the secondary reflecting surface relative to the main reflecting surface, so as to focus the microwaves emitted or received by the main reflecting surface.
The method for adjusting the antenna sub-reflector according to claim 15, wherein the obtaining the control signal comprises:

The tilt angle and rotation angle of the antenna are obtained, and the control signal is issued according to the tilt angle and rotation angle, wherein the tilt angle is the pitch 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.