A cavity phase shifter with a connection structure

Abstract

This application discloses a cavity phase shifter with a connection structure, relating to the field of phase shifter technology. It includes a cavity phase shifting component, a substrate, and a connection structure. The connection structure includes a composite connection frame, a stress transmission lever assembly, and an adaptive compensation buffer mechanism. The adaptive compensation buffer mechanism includes a force transmission component, a buffer component, a reset component, and a compensation component. This application sets up an adaptive compensation buffer mechanism that, through closed-loop control of the force transmission component, buffer component, reset component, and compensation component, responds in real time to changes in the gap between the substrate and the cavity phase shifting component. A connecting component is also provided between the compensation component and the reset component. When the gap shrinks due to vibration or load, the compensation component drives the connecting component to raise the reset component, and the buffer component adjusts the substrate height to achieve phase compensation, determine the position of the cavity phase shifting component, and avoid phase accumulation errors.

Description

Technical Field

[0001] This application relates to the field of phase shifter technology, and in particular to a cavity phase shifter with a connection structure. Background Technology

[0002] A phase shifter is an electronic device or circuit element used to change the phase of a signal. Phase shifters typically include two types: mechanically adjusted phase and dielectric shifted phase. Mechanically adjusted phase control technology is widely used and can achieve a wide range of angle adjustments, making it suitable for scenarios such as satellite tracking. However, it suffers from slow response, low accuracy, and easy wear of components. On the other hand, dielectric shifted phase adjustment technology, with its advantages of fast response and high accuracy, performs excellently in scenarios such as phased array radar. However, it is limited by the properties of the dielectric material, resulting in a narrow adjustment range and system complexity.

[0003] Chinese patent application CN119361993A discloses a cavity, a phase shifter, a phase shifter assembly, and an antenna for assembling a phase shifter assembly. The phase shifter assembly includes a phase shifting circuit and a phase shifting medium movable relative to the phase shifting circuit. The cavity includes a top wall, a bottom wall opposite to the top wall, and a pair of side walls connected between the top wall and the bottom wall. The top wall, bottom wall, and side walls form a receiving cavity for accommodating the phase shifter assembly. The width of the receiving cavity near the top wall and / or the bottom wall is smaller than the width of the middle portion. The receiving cavity near the top wall and / or the receiving cavity near the bottom wall is trapezoidal in shape.

[0004] In the continuous upgrading of wireless communication technology, antenna technology that integrates mechanical angle adjustment and dielectric movement phase adjustment has made significant progress. Antenna systems require phase shifters to achieve precise and stable phase adjustment under complex and changing operating conditions. Existing cavity phase shifter connection structures are mostly fixed rigid connections or single movable connections, which are difficult to meet the current requirements for the dynamic adaptability of phase shifters.

[0005] Therefore, this application proposes a cavity phase shifter with a connection structure to solve the above problems. Summary of the Invention

[0006] In view of the problems existing in the prior art, this application is hereby filed.

[0007] To solve the above-mentioned technical problems, this application provides the following technical solution: a cavity phase shifter with a connection structure, comprising:

[0008] A cavity phase shifting component has a connecting structure on its surface and a substrate connected to it through the connecting structure. The substrate is mounted on the antenna surface. The connecting structure includes a composite connecting frame, a stress transmission lever assembly, and an adaptive compensation buffer mechanism.

[0009] The stress transmission lever assembly is connected within the composite connection frame and is used to capture stress in real time and disperse the stress a second time. The composite connection frame includes an outer frame, a middle frame, and an inner frame. The outer frame is made of rubber-based composite material, the middle frame is an array of spring steel sheets, and the inner frame is made of titanium alloy. The inner frame includes a titanium alloy skeleton, two sets of symmetrical frame plates covering the upper and lower end faces of the titanium alloy skeleton, and two sets of side plates disposed within the titanium alloy skeleton. The stress transmission lever assembly is disposed within the two sets of symmetrical frame plates to achieve secondary dispersion of stress.

[0010] As a preferred embodiment of the cavity phase shifter with a connecting structure described in this application, wherein: the number of stress transmission lever groups is multiple, laid along the length direction of the symmetrical frame plate, each group of stress transmission lever groups includes two sets of transmission levers symmetrical about the titanium alloy skeleton; the transmission lever includes two stress balls, a lever shaft connecting the two stress balls, and a ball cap nested on the surface of the stress balls, the ball cap being fixed to the opposite surfaces of the two sets of symmetrical frame plates;

[0011] The adaptive compensation buffer mechanism includes a force transmission component, a buffer component, a reset component, and a compensation component. The force transmission component is mounted on the side of the substrate facing the cavity phase shifting component. The reset component is located at the bottom of the buffer component. The buffer component is squeezed and vibrated by the substrate to transmit force to the buffer component. The buffer component is linked with the reset component to generate friction and extend and retract. A connecting component is provided between the compensation component and the reset component. The compensation component is used to adjust the gap between the cavity phase shifting component and the substrate to push the connecting component to engage in the reset component. The reset component is raised by the connecting component to adjust the position of the force transmission component and the buffer component.

[0012] As a preferred embodiment of the cavity phase shifter with a connection structure described in this application, the stress transmission lever assembly further includes hinged arms mounted on two sets of side plates. Each hinged arm includes multiple sleeves sleeved on the surface of the lever shaft and connecting rods connected to both sides of the sleeves. Two sets of thin-headed inserts extend from both ends of the sleeves, and the ends of the connecting rods are provided with hinged insertion holes adapted to the insertion of the thin-headed inserts.

[0013] As a preferred embodiment of the cavity phase shifter with a connection structure described in this application, the force transmission component includes a connecting rod, a rotating ball rotating on the surface of the connecting rod, and two limiting plates disposed on the connecting rod. The two limiting plates are disposed on both sides of the rotating ball to restrict the movement of the rotating ball on the surface of the connecting rod.

[0014] As a preferred embodiment of the cavity phase shifter with a connecting structure described in this application, the buffer component includes an outer cylinder, a friction plate, and an internal support component. The friction plate is disposed between the outer cylinder and the internal support component. Multiple uprights are connected to the surface of the outer cylinder to position it on the surface of the cavity phase shifter. The internal support component includes an inner rod with a spherical groove at its upper part and a T-shaped groove at its bottom. Two sets of load-bearing rings are provided at the upper and lower ends of the inner rod, and multiple rectangular protrusions are provided on its side surface.

[0015] As a preferred embodiment of the cavity phase shifter with a connecting structure described in this application, the inner wall of the outer cylinder has multiple inner grooves; the friction plate includes a first friction plate, a middle friction plate, and a second friction plate, the two ends of the middle friction plate have short connecting shafts extending to connect to the load-bearing ring plate of the inner rod through the short connecting shafts, the outer wall of the first friction plate is provided with friction protrusions that engage with the inner grooves of the cylinder wall, and the surface of the second friction plate near the inner rod is provided with guide grooves for rectangular protrusions.

[0016] As a preferred embodiment of the cavity phase shifter with a connection structure described in this application, the reset assembly includes a built-in short rod inserted into a T-slot, a horizontal plate is disposed on the outer peripheral surface of the built-in short rod, a plurality of first springs are installed on the horizontal plate, and the horizontal plate is fixed to a load-bearing ring plate by the first springs.

[0017] As a preferred embodiment of the cavity phase shifter with a connection structure described in this application, the connecting component includes a compensation block and a connecting block connected as one piece, wherein the compensation block is engaged with the bottom of the built-in short rod and abuts against the horizontal plate;

[0018] The connecting component also includes a push plate, which is connected to the end of the connecting block away from the compensation block.

[0019] As a preferred embodiment of the cavity phase shifter with a connection structure described in this application, the compensation component includes a supporting central column and a displacement compensation component. The push plate is connected to the supporting central column. The displacement compensation component includes a built-in locking rod and a bottom locking rod that engages with the inner cavity of the built-in locking rod. Multiple sets of second springs are fixed between the built-in locking rod and the bottom locking rod. The bottom locking rod moves within the inner cavity of the built-in locking rod by the extension and retraction of the second springs.

[0020] The beneficial effects of this application are as follows: The composite connection frame of this application adopts a gradient elastic modulus material to achieve graded stress management. Combined with a symmetrically distributed stress transmission lever group, the asymmetric load caused by the oblique rotation of the antenna is synchronously mirrored and transmitted to both sides, thereby dispersing stress and suppressing the distortion of the cavity phase shifting component. Secondly, this application sets up an adaptive compensation buffer mechanism. Through the closed-loop control of the force transmission component, buffer component, reset component and compensation component, it responds in real time to the gap change between the substrate and the cavity phase shifting component. Furthermore, a connecting component is set between the compensation component and the reset component. When the gap is reduced due to vibration or load, the compensation component drives the connecting component to lift the reset component, and the buffer component adjusts the height of the substrate to achieve phase compensation, determine the position of the cavity phase shifting component, avoid phase accumulation error, and meet the current requirements for the dynamic adaptability of the phase shifter. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this application, the drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the overall structure of a cavity phase shifter with a connecting structure;

[0023] Figure 2 This is a schematic diagram of the overall structure of the cavity phase-shifting component of this application;

[0024] Figure 3 This is a schematic diagram of the overall structure of the composite connection frame of this application;

[0025] Figure 4 For this application Figure 3 Enlarged view of the structure of section A in the middle;

[0026] Figure 5 This is a schematic diagram of the overall structure of the stress transmission lever assembly of this application;

[0027] Figure 6 This is a schematic diagram of the overall structure of the adaptive compensation buffer mechanism in this application;

[0028] Figure 7 For this application Figure 6 Enlarged view of the structure of section B in the middle;

[0029] Figure 8 This is a detailed structural diagram of the force transmission component in this application;

[0030] Figure 9 This is a schematic diagram of the overall structure of the buffer component in this application;

[0031] Figure 10 This is a schematic diagram of the overall structure of the compensation component in this application.

[0032] Reference numerals: 11. Substrate; 22. Cavity phase-shifting component; 33. Composite connecting frame; 331. Outer frame; 332. Middle frame; 333. Inner frame; 3331. Titanium alloy skeleton; 3332. Side plate; 3333. Symmetrical frame plate; 44. Stress transmission lever assembly; 441. Stress ball; 442. Lever shaft; 443. Ball cap; 444. Connecting rod; 4441. Hinge socket; 445. Sleeve; 4451. Thin-headed insert rod; 55. Adaptive compensation buffer mechanism; 551. Force transmission component; 5511. Connecting bent rod; 5512. Rotating ball; 5513. Limiting plate; 552. Buffer component; 5521. Outer cylinder; 55211. Inner groove of cylinder wall; 5522. First friction plate ; 55221, Friction protrusion; 5523, Middle friction plate; 55231, Short connecting shaft; 5524, Second friction plate; 55241, Guide groove; 5525, Internal support component; 55251, Inner rod; 55252, Rectangular protrusion; 55253, Spherical groove; 5526, Reset assembly; 55261, Built-in short rod; 55262, First spring; 55263, Horizontal plate; 553, Vertical rod; 554, Connecting component; 5541, Compensating block; 5542, Connecting block; 555, Push plate; 556, Compensating component; 5561, Supporting central column; 5562, Displacement compensation component; 55621, Built-in locking rod; 55622, Bottom locking rod; 55623, Second spring. Detailed Implementation

[0033] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, the specific embodiments of this application will be described in detail below with reference to the accompanying drawings.

[0034] Many specific details are set forth in the following description in order to provide a full understanding of this application. However, this application may also be implemented in other ways different from those described herein. Those skilled in the art can make similar extensions without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0035] Secondly, the term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of this application. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that excludes other embodiments.

[0036] In the continuous upgrading of wireless communication technology, antenna technology that integrates mechanical adjustment angle and medium movement to adjust phase has made significant progress. This technology can effectively improve signal transmission quality by adjusting phase through medium sliding. Compared with the traditional phase control method that relies on phase array antennas and complex mechanical devices, it has the advantages of high precision and fast response. It can significantly compress signal processing delay and shows key application potential in 5G and even future 6G communication systems.

[0037] With the rapid development of satellite communication, high-speed mobile communication, and intelligent beamforming technology, antenna systems require cavity phase shifters to achieve precise and stable phase adjustment under complex and changing operating conditions. Existing cavity phase shifter connection structures are mostly fixed rigid connections or single movable connections, which are insufficient to meet the current demands for dynamic adaptability of phase shifters. In satellite communication, the antenna needs to adjust its pointing to track the satellite. Traditional connection structures, lacking adaptive adjustment capabilities, cannot promptly compensate for the mechanical stress caused by changes in antenna attitude, leading to deformation of the internal structure of the phase shifting cavity and consequently affecting phase shifting accuracy.

[0038] Example 1

[0039] Reference Figures 1-5 As shown, this is the first embodiment of the present application. This embodiment provides a cavity phase shifter with a connection structure, including a cavity phase shifting component 22 and an adaptive compensation buffer mechanism 55, wherein:

[0040] The cavity phase shifting component 22 has a connecting structure on its surface and a substrate 11 connected to it through the connecting structure. The substrate 11 is mounted on the antenna surface. The connecting structure includes a composite connecting frame 33, a stress transmission lever group 44, and an adaptive compensation buffer mechanism 55.

[0041] The stress transmission lever assembly 44 is connected within the composite connection frame 33, which is used to capture stress in real time and disperse stress in a secondary manner;

[0042] The adaptive compensation buffer mechanism 55 includes a force transmission component 551, a buffer component 552, a reset component 5526, and a compensation component 556. The force transmission component 551 is mounted on the side of the substrate 11 facing the cavity phase shifting component 22. The reset component 5526 is disposed at the bottom of the buffer component 552. The buffer component 552 is squeezed and vibrated by the substrate 11 to transmit force to the buffer component 552. The buffer component 552, in conjunction with the reset component 5526, generates friction and extends and retracts. A connecting component 554 is provided between the compensation component 556 and the reset component 5526. The compensation component 556 is used to adjust the gap between the cavity phase shifting component 22 and the substrate 11 to push the connecting component 554 to engage in the reset component 5526. The reset component 5526 is raised by the connecting component 554 to adjust the position of the force transmission component 551 and the buffer component 552.

[0043] Reference Figure 2 and Figure 3 As shown, the composite connecting frame 33 includes an outer frame 331, a middle frame 332, and an inner frame 333. The outer frame 331 is made of a low-elastic-modulus rubber-based composite material. When the substrate 11 rotates and generates mechanical stress, the rubber-based composite material deforms first, absorbing some of the stress. The middle frame 332 is an array of spring steel sheets with a medium elastic modulus. As the stress increases, the spring steel sheet array begins to deform collaboratively, dispersing the stress in all directions. The inner frame 333 is made of titanium alloy, providing basic support for the entire composite connecting frame 33 and preventing excessive structural deformation. Through the synergistic effect of multiple heterogeneous materials, the composite connecting frame 33 achieves a combination of multi-level stress dispersion and dynamic stability. Under complex working conditions such as bumps or antenna turning, the composite connecting frame 33 achieves a "soft-to-hard" transition through an elastic modulus gradient design. The outer flexible material responds quickly to high-frequency disturbances, the middle steel sheets disperse mid-frequency stress, and the inner titanium alloy resists low-frequency, large-amplitude mechanical loads, significantly improving the fatigue resistance and long-term stability of the connecting structure.

[0044] The inner frame 333 includes a titanium alloy skeleton 3331, two sets of symmetrical frame plates 3333 covering the upper and lower end faces of the titanium alloy skeleton 3331, and two sets of side plates 3332 disposed within the titanium alloy skeleton 3331. The stress transmission lever group 44 is disposed within the two sets of symmetrical frame plates 3333. The inner frame 333 directly bears the residual stress after the outer layer buffer, while the symmetrical frame plates 3333 are connected to the inner frame 333 and jointly receive the residual stress after the outer layer buffer. The stress transmission lever group 44 is disposed between the symmetrical frame plates 3333, which can capture the stress distribution state in real time and transmit the stress quickly and without loss to the preset dispersion path through the force transmission characteristics of the rigid skeleton of the inner frame 333, so as to achieve secondary dispersion of stress.

[0045] Reference Figures 3-5 As shown, there are multiple sets of stress transmission lever groups 44, laid along the length of the symmetrical frame plate 3333. Each set of stress transmission lever groups 44 includes two sets of transmission levers symmetrical about the titanium alloy skeleton 3331. The symmetrically arranged stress transmission lever groups 44 form a mirror transmission path with the titanium alloy skeleton 3331 as the center, dispersing the stress synchronously to both sides, avoiding the distortion of the cavity phase shifting component 22 due to asymmetrical force. The transmission lever includes two stress balls 441, a lever shaft 442 connecting the two stress balls 441, and a ball cap 443 nested on the surface of the stress balls 441. The ball cap 443 is fixed to the opposite surfaces of the two sets of symmetrical frame plates 3333. Through the nested multi-degree-of-freedom hinge design of the stress balls 441 and the ball cap 443, dynamic stress adaptive transmission and structural stability enhancement are achieved.

[0046] The stress transmission lever assembly 44 also includes hinge arms mounted on two sets of side plates 3332. The hinge arms include multiple sleeves 445 sleeved on the surface of the lever shaft 442 and connecting rods 444 connected to both sides of the sleeves 445. Two sets of thin-headed inserts 4451 extend from both ends of the sleeves 445. The ends of the connecting rods 444 are provided with hinged insertion holes 4441 adapted to the insertion of the thin-headed inserts 4451. Through the modular multi-stage hinge design of the sleeves 445 and the connecting rods 444, the dual improvement of dynamic stress transmission and mechanical redundancy is achieved.

[0047] This application achieves multi-level stress dispersion and dynamic adaptive adjustment under complex working conditions through the collaborative design of the composite connecting frame 33 and the stress transmission lever group 44. The composite connecting frame 33 consists of an outer frame 331 made of rubber-based composite material, a middle frame 332 composed of spring steel sheet array, and an inner frame 333, forming a gradient elastic modulus structure: the outer flexible material preferentially absorbs high-frequency instantaneous stress such as equipment vibration, the middle steel sheet expands the mid-frequency stress laterally into a multi-point uniform load through synergistic bending, and the inner titanium alloy rigidly bears low-frequency large loads and restricts overall deformation. The inner frame 333 further integrates symmetrical frame plate 3333 and side plate 3332, and multiple sets of stress transmission lever groups 44 are laid inside. Each set of stress transmission lever groups 44 contains symmetrically distributed transmission levers, which achieve multi-degree-of-freedom deflection through the ball joint structure of two stress balls 441 and ball cap 443, synchronously mirror-transmitting the stress on one side to both sides, decomposing oblique loads and suppressing the torsion of the cavity phase shifting component 22. The articulated arm serves as a modular positioning node in the stress transmission lever assembly 44. It achieves dynamic stress transmission and redundancy tolerance through the sliding engagement of the sleeve 445 and the lever shaft 442. Specifically, the sleeve 445 is nested within the surface of the lever shaft 442 and can move slightly axially to absorb high-frequency impact energy. Simultaneously, it engages with the hinged insertion holes 4441 of the connecting rod 444 via the thin-headed inserts 4451 extending from both sides, forming a multi-stage articulated chain.

[0048] Example 2

[0049] Reference Figures 6-10 As shown, this is the second embodiment of the present application. This embodiment is based on the previous embodiment, except that the force transmission component 551 includes a connecting bent rod 5511 connected to the base plate 11, a rotating ball 5512 rotating on the surface of the connecting bent rod 5511, and two limiting pieces 5513 disposed on the connecting bent rod 5511. The two limiting pieces 5513 are disposed on both sides of the rotating ball 5512 to restrict the movement of the rotating ball 5512 on the surface of the connecting bent rod 5511.

[0050] The buffer component 552 includes an outer cylinder 5521, a friction plate, and an internal support component 5525. The friction plate is disposed between the outer cylinder 5521 and the internal support component 5525. Multiple uprights 553 are attached to the surface of the outer cylinder 5521 to be positioned on the surface of the cavity phase shifting component 22 by means of the uprights 553.

[0051] The internal support component 5525 includes an inner rod 55251, with a spherical groove 55253 on its upper part that is adapted to the rotating ball 5512, a T-shaped groove on its bottom that is adapted to the compensation component 556, and two sets of load-bearing rings on the upper and lower ends of the inner rod 55251, and multiple rectangular protrusions 55252 on its side surface.

[0052] Reference Figure 8 As shown, the inner wall of the outer cylinder 5521 has multiple inner grooves 55211; the friction plate includes a first friction plate 5522, a middle friction plate 5523 and a second friction plate 5524. The two ends of the middle friction plate 5523 have short connecting shafts 55231, which are connected to the load-bearing ring of the inner rod 55251 through the short connecting shafts 55231. The outer wall of the first friction plate 5522 is provided with friction protrusions 55221 that engage with the inner grooves 55211. The surface of the second friction plate 5524 near the inner rod is provided with guide grooves 55241 for engaging with the rectangular protrusions 55252.

[0053] Specifically, when the substrate 11 experiences an impact load due to antenna attitude adjustment or equipment vibration, the buffer component 552 transmits the vibration to the buffer component 552 via the force transmission component 551. The vibration of the substrate 11 is transmitted to the rotating ball 5512 via the connecting bent rod 5511. The rotating ball 5512 is embedded in the spherical groove 55253 on the upper part of the inner rod 55251. The force angle is adjusted by sliding the spherical surface to avoid structural jamming caused by lateral force. The vibration energy drives the inner rod 55251 to move axially along the outer cylinder 5521. When the first friction plate 5522's friction protrusion 55221 slides against the inner groove 55211 of the cylinder wall, consuming high-frequency energy; the second friction plate 5524's guide groove 55241 slides against the rectangular protrusion 55252 of the inner rod 55251, consuming high-frequency energy again; the middle friction plate 5523 is connected to the load-bearing ring of the inner rod 55251 through a short connecting shaft 55231, and undergoes elastic bending when the inner rod 55251 is displaced, further absorbing low-frequency vibration energy.

[0054] The reset assembly 5526 includes a built-in short rod 55261 inserted into a T-slot. The built-in short rod 55261 is inserted into the surface wall of the phase shifting component 22 of the cavity. A horizontal plate 55263 is disposed on the outer peripheral surface of the built-in short rod 55261. A plurality of first springs 55262 are installed on the horizontal plate 55263. The horizontal plate 55263 is fixed to the load-bearing ring plate by the first springs 55262.

[0055] Specifically, when the buffer component 552 is displaced due to vibration, the built-in short rod 55261 slides along the T-slot axially. During the movement, the horizontal plate 55263 continuously compresses or stretches the first spring 55262. The reverse elastic force generated by the spring deformation is converted into a reset traction on the built-in short rod 55261 through the horizontal plate 55263, thereby realizing vibration attenuation and adaptive reset of displacement.

[0056] The connecting component 554 includes a compensation block 5541 and a connecting block 5542 connected as one piece. The connecting block 5542 has a triangular cross section. The compensation block 5541 is engaged at the bottom of the built-in short rod 55261 and abuts against the horizontal plate 55263.

[0057] The connecting component 554 also includes a push plate 555, which is connected to the end of the connecting block 5542 away from the compensation block 5541. The cross-sections of the push plate 555 and the connecting block 5542 are both triangular.

[0058] The compensation component 556 includes a supporting central column 5561 and a displacement compensation component 5562. The push plate 555 is connected to the supporting central column 5561. The displacement compensation component 5562 includes a built-in locking rod 55621 and a bottom locking rod 55622 that engages with the inner cavity of the built-in locking rod 55621. Multiple sets of second springs 55623 are fixed between the built-in locking rod 55621 and the bottom locking rod 55622. The bottom locking rod 55622 moves within the inner cavity of the built-in locking rod 55621 by the extension and retraction of the second springs 55623.

[0059] Specifically, when the gap between the substrate 11 and the cavity phase-shifting component 22 decreases due to vibration or increased stress:

[0060] As the relative length of the compensation component 556 shortens, the second spring 55623 is in a compressed state. The push plate 555 connected to the surface of the supporting column 5561 moves down and abuts against the connecting block 5542. Since the cross section of the connecting block 5542 is set in a triangular structure, as the push plate 555 moves down, the connecting block 5542 moves away from the compensation block 5541 in a passive manner.

[0061] Meanwhile, the cross-section of the compensation block 5541 is also triangular. As it moves away from the push plate 555, it gradually squeezes the horizontal plate 55263, driving the horizontal plate 55263 to move the built-in short rod 55261. The built-in short rod 55261 then transmits this movement to the buffer component 552 and the force transmission component 551, and the buffer component 552 and the force transmission component 551 lift the substrate 11 to adjust the distance between the substrate 11 and the cavity phase shifting component 22 to achieve compensation.

[0062] Working principle: When the substrate 11 is impacted by antenna rotation or vibration, the connecting rod 5511 of the force transmission component 551 transmits the load to the rotating ball 5512. The rotating ball 5512 rolls under the constraint of the limiting piece 5513, and the direction of force is adjusted by the spherical groove 55253 of the inner rod 55251 to avoid lateral jamming. The inner rod 55251 moves axially within the outer cylinder 5521, driving the first friction piece 5522 to slide and rub against the inner groove 55211 of the cylinder wall to consume high-frequency energy. The second friction piece 5524 consumes energy again by rubbing against the rectangular protrusion 55252 through the guide groove 55241. The middle friction piece 5523 elastically bends to absorb low-frequency vibration.

[0063] This application uses a closed-loop control system of force transmission, friction energy dissipation, reset, and gap compensation to dynamically maintain the relative position of the substrate 11 and the cavity phase shifting component 22 when there is vibration or load change, thereby eliminating phase errors caused by mechanical stress and providing stable support for high-frequency communication scenarios.

[0064] Of course, the above description is merely a preferred embodiment of this application and should not be considered as limiting the scope of the embodiments of this application. This application is also not limited to the examples above, and all equivalent changes and improvements made by those skilled in the art within the scope of this application should fall within the patent coverage of this application.

[0065] Finally, the following points should be noted: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installation", "connection", and "linkage" should be interpreted broadly, and can be mechanical or electrical connections, or internal connections between two components, or direct connections. "Up", "down", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may change.

[0066] Secondly: The accompanying drawings of the embodiments disclosed in this application only involve the structures involved in the embodiments disclosed in this application. Other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of this application can be combined with each other.

[0067] Finally: The above description is only a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A cavity phase shifter with a connecting structure, characterized in that, include: The cavity phase shifting component (22) has a connecting structure on its surface and a substrate (11) is connected to it through the connecting structure. The substrate (11) is mounted on the antenna surface. The connecting structure includes a composite connecting frame (33), a stress transmission lever group (44), and an adaptive compensation buffer mechanism (55). The stress transmission lever assembly (44) is connected within the composite connection frame (33), which is used to capture stress in real time and disperse stress in a secondary manner; The composite connecting frame (33) includes an outer frame (331), a middle frame (332), and an inner frame (333); the outer frame (331) is made of rubber-based composite material, the middle frame (332) is an array of spring steel sheets, and the inner frame (333) is made of titanium alloy; wherein, the inner frame (333) includes a titanium alloy skeleton (3331), two sets of symmetrical frame plates (3333) covering the upper and lower end faces of the titanium alloy skeleton (3331), and two sets of side plates (3332) set in the titanium alloy skeleton (3331), and the stress transmission lever group (44) is set in the two sets of symmetrical frame plates (3333) to achieve secondary stress dispersion; The stress transmission lever assembly (44) consists of multiple sets, laid along the length of the symmetrical frame plate (3333). Each set of stress transmission lever assembly (44) includes two sets of transmission levers symmetrical about the titanium alloy skeleton (3331). The transmission lever includes two stress balls (441), a lever shaft (442) connecting the two stress balls (441), and a ball cap (443) nested on the surface of the stress balls (441). The ball cap (443) is fixed to the opposite face of the two sets of symmetrical frame plates (3333). The adaptive compensation buffer mechanism (55) includes a force transmission component (551), a buffer component (552), a reset component (5526), ​​and a compensation component (556). The force transmission component (551) is mounted on the side of the substrate (11) facing the cavity phase shifting component (22). The reset component (5526) is disposed at the bottom of the buffer component (552). The buffer component (552) is squeezed and vibrated by the substrate (11) to transmit force to the buffer component (552). The buffer component (552) is linked. The reset assembly (5526) generates friction and extends and retracts; a connecting component (554) is provided between the compensation component (556) and the reset assembly (5526). The compensation component (556) is used to adjust the gap between the cavity phase shifting component (22) and the substrate (11) to push the connecting component (554) to engage in the reset assembly (5526). The reset assembly (5526) is lifted by the connecting component (554) to adjust the position of the force transmission component (551) and the buffer component (552).

2. The cavity phase shifter with a connection structure as described in claim 1, characterized in that: The stress transmission lever assembly (44) also includes a hinge arm mounted on two sets of side plates (3332). The hinge arm includes multiple sleeves (445) sleeved on the surface of the lever shaft (442) and connecting rods (444) connected to both sides of the sleeves (445). Two sets of thin-headed inserts (4451) extend from both ends of the sleeves (445). The ends of the connecting rods (444) are provided with hinged insertion holes (4441) adapted to the insertion of the thin-headed inserts (4451).

3. The cavity phase shifter with a connection structure as described in claim 2, characterized in that: The force transmission component (551) includes a connecting rod (5511), a rotating ball (5512) rotating on the surface of the connecting rod (5511), and two limiting plates (5513) disposed on the connecting rod (5511). The two limiting plates (5513) are disposed on both sides of the rotating ball (5512) to restrict the movement of the rotating ball (5512) on the surface of the connecting rod (5511).

4. The cavity phase shifter with a connection structure as described in claim 3, characterized in that: The buffer component (552) includes an outer cylinder (5521), a friction plate, and an internal support component (5525). The friction plate is disposed between the outer cylinder (5521) and the internal support component (5525). Multiple uprights (553) are connected to the surface of the outer cylinder (5521) to position it on the surface of the cavity phase shifting component (22). The internal support component (5525) includes an inner rod (55251), which has a spherical groove (55253) on its upper part and a T-shaped groove on its bottom. Two sets of load-bearing rings are provided at the upper and lower ends of the inner rod (55251), and multiple rectangular protrusions (55252) are provided on its side surface.

5. The cavity phase shifter with a connecting structure as described in claim 4, characterized in that: The inner wall of the outer cylinder (5521) has multiple inner grooves (55211); the friction plate includes a first friction plate (5522), a middle friction plate (5523) and a second friction plate (5524). The two ends of the middle friction plate (5523) have short connecting shafts (55231) that are connected to the bearing ring of the inner rod (55251) through the short connecting shafts (55231). The outer wall of the first friction plate (5522) is provided with friction protrusions (55221) that engage with the inner grooves (55211). The surface of the second friction plate (5524) near the inner rod is provided with guide grooves (55241) for engaging with the rectangular protrusions (55252).

6. The cavity phase shifter with a connection structure as described in claim 5, characterized in that: The reset assembly (5526) includes a built-in short rod (55261) inserted into a T-slot. A horizontal plate (55263) is disposed on the outer peripheral surface of the built-in short rod (55261). A plurality of first springs (55262) ​​are installed on the horizontal plate (55263). The horizontal plate (55263) is fixed to the load-bearing ring plate by the first springs (55262).

7. The cavity phase shifter with a connection structure as described in claim 6, characterized in that: The connecting component (554) includes a compensation block (5541) and a connecting block (5542) connected as one piece. The compensation block (5541) is engaged at the bottom of the built-in short rod (55261) and abuts against the horizontal plate (55263). The connecting component (554) also includes a push plate (555), which is connected to the end of the connecting block (5542) away from the compensation block (5541).

8. The cavity phase shifter with a connection structure as described in claim 7, characterized in that: The compensation component (556) includes a supporting central column (5561) and a displacement compensation component (5562). The push plate (555) is connected to the supporting central column (5561). The displacement compensation component (5562) includes a built-in locking rod (55621) and a bottom locking rod (55622) engaged in the inner cavity of the built-in locking rod (55621). Multiple sets of second springs (55623) are fixed between the built-in locking rod (55621) and the bottom locking rod (55622). The bottom locking rod (55622) moves in the inner cavity of the built-in locking rod (55621) by the extension and retraction of the second springs (55623).

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