Ku frequency band portable phased array antenna

Abstract

The invention relates to a Ku frequency band portable phased-array antenna which comprises a box body, a storage groove is formed in the top of the box body, a phased-array antenna body is movably connected in the storage groove, second limiting blocks are arranged on the front face and the back face of one end of the phased-array antenna body respectively, and third limiting grooves are formed in the two side walls of the inner side of the storage groove respectively. The second limiting blocks correspond to the third limiting grooves in a one-to-one mode, and the second limiting blocks are movably connected with the corresponding third limiting grooves in an inserted mode. According to an efficient folding and unfolding mechanism and an integrated storage design, linear sliding-out of the phased-array antenna is achieved through insertion matching of a storage groove in the top of the box body, a third limiting groove and a second limiting block, and manual adjustment is not needed.

Description

TECHNICAL FIELD

[0001] The application belongs to the field of phased array antennas, and particularly relates to a Ku-band portable phased array antenna. BACKGROUND

[0002] In a Ku-band phased array antenna, by adjusting the phase difference of adjacent units, the beam can be flexibly pointed within a range of +1.5° in the azimuth angle and +15° in the elevation angle, but the traditional structure has the problems of large volume and complex mechanical components, especially the bottleneck of the portable design: volume and weight limitation, and the traditional phased array antenna relies on heavy mechanical structures, which is difficult to meet the lightweight demand of portable devices. The existing portable scheme needs to be manually unfolded or has a complex driving mechanism, and the complex driving mechanism has low unfolding efficiency, long time consumption and poor reliability; the popularity of 5G millimeter wave and vehicle-mounted radar has increased the demand for lightweight and rapid deployment of phased array antennas.

[0003] The technical problems can be summarized as low storage and unfolding efficiency, complex operation for unfolding the traditional antenna after storage, and the unfolding process is easily affected by mechanical jamming, which is difficult to realize one-key rapid deployment, the structure stability is insufficient, the elevation angle adjustment of the unfolded antenna relies on rigid support, the existing hinge mechanism is easy to sway, which affects the beam pointing accuracy. The driving system is heavy, the mechanical lifting mechanism occupies a large space, and needs a large power motor to drive, which is contradictory to portability, and thus a Ku-band portable phased array antenna is disclosed. SUMMARY

[0004] This section aims to summarize some aspects of the embodiments of the application and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract and title of the specification to avoid obscuring the purpose of this section, abstract and title, and such simplifications or omissions cannot be used to limit the scope of the application.

[0005] In view of the following technical problems in the prior art: low storage and unfolding efficiency, complex operation for unfolding the traditional antenna after storage, and the unfolding process is easily affected by mechanical jamming, which is difficult to realize one-key rapid deployment, the structure stability is insufficient, the elevation angle adjustment of the unfolded antenna relies on rigid support, the existing hinge mechanism is easy to sway, which affects the beam pointing accuracy, the driving system is heavy, the mechanical lifting mechanism occupies a large space, and needs a large power motor to drive, which is contradictory to portability.

[0006] To solve the above technical problems, the application provides the following technical scheme: a Ku-band portable phased array antenna, comprising a box body, a receiving groove is formed in the top of the box body, a phased array antenna is movably connected in the receiving groove, limit blocks two are arranged on the front and back of one end of the phased array antenna, limit grooves three are respectively formed in the two side walls of the inner side of the receiving groove, the limit blocks two correspond to the limit grooves three, and the limit blocks two are movably inserted into the corresponding limit grooves three.

[0007] As a preferred technical scheme of the Ku-band portable phased array antenna, the upper end of the box body is connected with a radome through a plurality of hinges; The radome can cover the top opening of the receiving groove and make the receiving groove closed.

[0008] As a preferred technical scheme of the Ku-band portable phased array antenna, limit grooves one are formed in the front and back of one end of the phased array antenna, vertical limit grooves one are formed in the two sides of one end of the bottom wall of the receiving groove, a connecting roller is rotatably connected to the top end of the connecting frame, the connecting roller corresponds to the limit grooves one, and the connecting roller is inserted into the corresponding limit groove one; The connecting roller has two functions, one is to be part of the connecting frame and cooperate with the limit grooves one and the vertical limit grooves one to make the phased array antenna move out of the receiving groove in a straight line; The second function is to serve as a support point when the phased array antenna is lifted and forms a certain angle with the box body; When the phased array antenna is lifted, the bottom of the phased array antenna abuts against the upper side of the box body.

[0009] As a preferred technical scheme of the Ku-band portable phased array antenna, the bottom of the vertical limit groove one is provided with a vertical limit groove two, a limit block one is arranged at the bottom end of the connecting frame, the limit block one is inserted into the vertical limit groove two, and the limit block one is movably connected with the vertical limit groove two.

[0010] As a preferred technical scheme of the Ku-band portable phased array antenna, the lower side of the phased array antenna is provided with a lifting assembly, the lifting assembly comprises a movable frame, a movable table, a connecting plate and a connecting rod two, the movable frame is in a U shape, two movable tables are arranged on the inner side of the movable frame, limit grooves two are arranged on the front and back of the receiving groove, the limit grooves two correspond to the movable tables, the movable tables are inserted into the corresponding limit grooves two, the movable tables are slidably connected with the corresponding limit grooves two, one connecting plate is arranged at each end of the connecting rod two, the two ends of the movable frame are rotatably connected with the connecting plates at one end of the connecting rod two, an active groove is formed in the inner bottom wall of the receiving groove, a connecting seat two is arranged on the inner bottom wall at one end of the active groove, the connecting plate at the other end of the connecting rod two is rotatably connected with the connecting seat two, and a power assembly is rotatably connected to the connecting rod two; The limit groove two cooperates with the movable table, the movement of the movable table is restricted, and the movable frame moves linearly along the storage groove.

[0011] As a preferred technical scheme of the Ku frequency band portable phased array antenna, the power assembly comprises a connecting rod one, a connecting barrel one, a lead screw, a sliding barrel one and a servo motor, the inner side of the movable groove is rotationally connected with the lead screw, the inner side of the box body is provided with the servo motor, the outer periphery of the middle section of the lead screw is provided with a thread, the power output end of the servo motor is fixedly connected with one end of the lead screw, the threaded section of the lead screw is threadedly connected with the connecting barrel one, the connecting barrel one is rotationally connected with the sliding sleeve on the connecting rod one, and the sliding sleeve is slidingly connected with the connecting rod one. The sliding sleeve on the connecting rod two is sleeved with the sliding barrel one, and the top end of the connecting rod one is rotationally connected with the sliding barrel one.

[0012] The power assembly further comprises a limit sliding rod, a connecting seat one and a sliding barrel two, the inner bottom wall of the movable groove is provided with the connecting seat one, the limit sliding rod is connected between the connecting seat one and one side of the inner wall of the movable groove, the sliding barrel two is movably sleeved on the limit sliding rod, the middle part of the connecting rod one is connected with the connecting barrel one through the sliding sleeve, and the bottom end of the connecting rod one is rotationally connected with the sliding barrel two. The power assembly controls the lifting of the lifting assembly, the lifting assembly controls the lifting of the phased array antenna, and the phased array antenna and the box body form an included angle of 30 to 45 degrees.

[0013] As a preferred technical scheme of the Ku frequency band portable phased array antenna, the length of the limit sliding rod is shorter than the length of the lead screw, and the length of the limit sliding rod is 90% of the length of the lead screw.

[0014] As a preferred technical scheme of the Ku frequency band portable phased array antenna, the connecting rod two is in a cylindrical shape, and the connecting plate is in a flat plate shape. The flat plate shape makes the connecting plate adhere to the flat surface of the movable frame, and the cylindrical connecting rod two facilitates that the inner cavity of the sliding barrel one is also in a cylindrical shape, so that the relative sliding of the two is smoother.

[0015] As a preferred technical scheme of the Ku frequency band portable phased array antenna, the limit groove three penetrates the top end of the box body, the limit block two can be moved out of the limit groove three, the limit groove three limits the limit block two, and the phased array antenna linearly enters and exits the storage groove.

[0016] The Ku frequency band portable phased array antenna has the following advantages: efficient folding and unfolding mechanism, integrated storage design, linear sliding of the phased array antenna is realized through the insertion and cooperation of the storage groove on the top of the box body, the limit groove three and the limit block two, and manual adjustment is not needed. Power-saving transmission of the lead screw and the connecting rod: the servo motor drives the lead screw to push the connecting barrel, the connecting rod and the sliding barrel drive the U-shaped movable frame, and the antenna lifting is completed with extremely small stroke. Two-stage angle adjustment optimization, smooth removal stage: when the limit slide rod is parallel to the screw rod, the connecting rod posture is stable, and the connecting rod is slowly lifted; Fast tilt angle switching stage: when the sliding cylinder touches the connecting seat, the sliding sleeve slides along the connecting rod, triggering the lever to swing greatly, and efficiently completing the angle switching; The open design of the limiting groove three avoids jamming, the connecting frame slides through the limiting block two in the limiting groove three, ensures the accurate unfolding track, and the folded antenna is completely embedded in the box, significantly reducing the volume, through the mechanical and electronic collaborative design, the core contradiction of portability, stability and heat dissipation is solved, and the Ku-band portable phased array antenna is suitable for emergency communication, vehicle-mounted radar and satellite terminal scenes. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor. Among them: Figure 1 It is a schematic diagram of the overall structure of the present application; Figure 2 It is a schematic diagram of the front cross-sectional structure of the present application; Figure 3 It is a schematic diagram of the three-dimensional structure of the movable frame of the present application; Figure 4 It is a schematic diagram of the three-dimensional structure of the movable frame of the present application; Figure 2 It is a schematic diagram of the local enlarged structure of part A in the present application; Figure 5 It is a schematic diagram of the local enlarged structure of part B in the present application; Figure 2 It is a schematic diagram of the local enlarged structure of part C in the present application; Figure 6 Figure 2 It is a schematic diagram of the local enlarged structure of part C in the present application; Figure 7 It is a schematic diagram of the connection relationship structure between the sliding sleeve and the connecting cylinder of the present application; Figure 8 It is a schematic diagram of the cross-sectional structure of the side of the present application.

[0018] ​Mark No. : 1, box; 2, antenna cover; 3, phased array antenna; 4, limiting groove one; 5, sliding sleeve; 6, limiting groove two; 7, storage groove; 8, limiting block two; 9, servo motor; 10, limiting groove three; 11, screw rod; 12, connecting barrel one; 13, connecting rod one; 14, connecting seat one; 15, movable groove; 16, limiting sliding rod; 17, connecting seat two; 18, limiting block one; 19, connecting roller; 20, hinge; 21, vertical limiting groove one; 22, vertical limiting groove two; 23, connecting frame; 24, movable frame; 25, movable table; 26, connecting plate; 28, connecting rod two; 29, sliding cylinder one; 30, sliding cylinder two. DETAILED DESCRIPTION

[0019] In order to make the above objectives, characteristics and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0020] In the following description, a large number of specific details are set forth in order to facilitate a thorough understanding of the present application, but the present application can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the concept of the present application, so the present application is not limited to the specific embodiments disclosed below.

[0021] Secondly, the "one embodiment" or "embodiment" referred to herein means that the specific features, structures or characteristics can be included in at least one implementation of the present application. "In one embodiment" appearing in different places in the specification does not mean the same embodiment, nor is it an embodiment that is separate or alternative to other embodiments.

[0022] Thirdly, the present application is described in detail in conjunction with the schematic diagram, and in the detailed description of the embodiments of the present application, the cross-sectional view of the device structure is partially enlarged without the general proportion for the convenience of description, and the schematic diagram is only an example, which should not limit the scope of protection of the present application herein. In addition, three-dimensional spatial dimensions including length, width and depth should be included in actual manufacture.

[0023] As shown in the drawings, the present application provides a Ku-band portable phased array antenna, which comprises a box 1, the top of the box 1 is provided with a storage groove 7, a phased array antenna 3 is movably connected in the storage groove 7, a limiting block two 8 is arranged on the front and back of one end of the phased array antenna 3, and one limiting groove three 10 is arranged on each of the two side walls of the inner side of the storage groove 7, the limiting block two 8 corresponds to the limiting groove three 10 one by one, and the limiting block two 8 is movably inserted into the corresponding limiting groove three 10. Figures 1-8 The upper end of the box 1 is connected with an antenna cover 2 through a plurality of hinges 20;

[0024] ​The radome 2 can cover the top opening of the receiving groove 7 and make it closed.

[0025] The front and back of one end of the phased array antenna 3 is provided with a limiting groove 4, the two sides of the inner bottom wall of the receiving groove 7 are provided with vertical limiting grooves 21, the top end of the connecting frame 23 is rotatably connected with a connecting roller 19, the connecting roller 19 corresponds to the limiting groove 4, and the connecting roller 19 extends into the corresponding limiting groove 4. The connecting roller 19 has two functions, one is to be part of the connecting frame 23 and cooperate with the limiting groove 4 and the vertical limiting groove 21 to make the phased array antenna 3 move out of the receiving groove 7 in a straight line; The second function is to serve as a support point when the phased array antenna 3 is lifted to form a certain angle with the box body 1. When the phased array antenna 3 is lifted, the bottom of the phased array antenna 3 abuts against the upper side of the box body 1.

[0026] The bottom of the vertical limiting groove 21 is provided with a vertical limiting groove 22, the bottom end of the connecting frame 23 is provided with a limiting block 18, the limiting block 18 extends into the vertical limiting groove 22, and the limiting block 18 is movably connected with the vertical limiting groove 22.

[0027] The lower side of the phased array antenna 3 is provided with a lifting assembly, the lifting assembly comprises a movable frame 24, a movable table 25, a connecting plate 26 and a connecting rod 28, the movable frame 24 is in a U shape, the inner side of the movable frame 24 is provided with two movable tables 25, the front and back of the receiving groove 7 are provided with limiting grooves 6, the limiting grooves 6 correspond to the movable tables 25 in a one-to-one manner, the movable tables 25 extend into the corresponding limiting grooves 6, the movable tables 25 are slidably connected with the corresponding limiting grooves 6, the two ends of the connecting rod 28 are respectively provided with a connecting plate 26, the two ends of the movable frame 24 are rotatably connected with the connecting plate 26 at one end of the connecting rod 28, the inner bottom wall of the receiving groove 7 is provided with a movable groove 15, the inner bottom wall of one end of the movable groove 15 is provided with a connecting seat 17, the connecting plate 26 at the other end of the connecting rod 28 is rotatably connected with the connecting seat 17, and a power assembly is rotatably connected on the connecting rod 28. The limiting grooves 6 cooperate with the movable tables 25 to constrain the movement of the movable tables 25, so that the movable frame 24 moves in a straight line along the receiving groove 7.

[0028] The power assembly comprises a connecting rod 13, a connecting cylinder 12, a screw rod 11, a sliding cylinder 29 and a servo motor 9, the inner side of the movable groove 15 is rotationally connected with the screw rod 11, the inner side of the box body 1 is provided with the servo motor 9, the outer periphery of the middle section of the screw rod 11 is provided with a thread, the power output end of the servo motor 9 is fixedly connected with one end of the screw rod 11, the threaded section of the screw rod 11 is threadedly connected with the connecting cylinder 12, the connecting cylinder 12 is rotationally connected with the sliding sleeve 5 on the connecting rod 13, and the sliding sleeve 5 is slidingly connected with the connecting rod 13. The connecting rod 28 is slidingly sleeved with the sliding cylinder 29, and the top end of the connecting rod 13 is rotationally connected with the sliding cylinder 29.

[0029] The power assembly further comprises a limiting sliding rod 16, a connecting seat 14 and a sliding cylinder 30, the inner bottom wall of the movable groove 15 is provided with the connecting seat 14, the limiting sliding rod 16 is connected between the connecting seat 14 and one side of the inner wall of the movable groove 15, the sliding cylinder 30 is movably sleeved on the limiting sliding rod 16, the middle part of the connecting rod 13 is connected with the connecting cylinder 12 through the sliding sleeve 5, and the bottom end of the connecting rod 13 is rotationally connected with the sliding cylinder 30. The power assembly controls the lifting of the lifting assembly, the lifting assembly controls the lifting of the phased array antenna 3, and the phased array antenna 3 is at an angle of 30 to 45 degrees with the box body 1.

[0030] The length of the limiting sliding rod 16 is shorter than the length of the screw rod 11, and the length of the limiting sliding rod 16 is nine-tenths of the length of the screw rod 11.

[0031] The connecting rod 28 is cylindrical, and the connecting plate 26 is a flat plate; the flat plate makes the connecting plate 26 fit the flat surface of the movable frame 24; the cylindrical connecting rod 28 facilitates that the inner cavity of the sliding cylinder 29 is also cylindrical, so that the relative sliding of the two is smoother.

[0032] The limiting groove 10 penetrates the top end of the box body 1; the limiting block 8 can be moved out of the limiting groove 10, the limiting groove 10 limits the limiting block 8, and the phased array antenna 3 linearly enters and exits the storage groove 7.

[0033] The phased array antenna 3 comprises four receiving antenna arrays, a combiner, a frequency down converter, an antenna controller, a lithium ion battery and an antenna cover, the antenna controller comprises an ACU, a navigation module and a multi-mode receiver.

[0034] Before the sliding cylinder 30 meets the block of the connecting seat 14, the posture of the connecting rod 13 is maintained unchanged due to the parallelism of the screw rod 11 and the limiting sliding rod 16 and the unchanged distance between the screw rod 11 and the limiting sliding rod 16, and the connecting rod 13 is slowly lifted by the connecting rod 28 controlled by the sliding cylinder 29 in the moving process.

[0035] When the sliding cylinder 2 30 meets the block of the connecting seat 1 4, the connecting cylinder 1 12 moves with the sliding sleeve 5 on the connecting rod 1 3, the relative position of the sliding sleeve 5 and the connecting rod 1 3 changes, the posture of the connecting rod 1 3 begins to change, the connecting rod 1 3 swings, and the connecting rod 2 8 swings greatly.

[0036] The embodiment is specific: the unfolding process of the phased array antenna 3 includes the following steps: S1: the servo motor 9 is started, the lead screw 1 1 is driven to rotate, the threaded section of the lead screw 1 1 drives the connecting cylinder 1 12 to move linearly along the movable groove 1 5; S2: the connecting cylinder 1 12 drives the connecting rod 1 3 to move linearly to the servo motor 9 through the sliding sleeve 5; the connecting rod 1 3 drives the connecting rod 2 8 to swing slowly through the sliding cylinder 1 29; S3: the limiting groove 3 10 restricts the limiting block 2 8, and guides the phased array antenna 3 to move linearly out of the storage groove 7; S4: as the phased array antenna 3 moves out, the connecting roller 1 9 slides in the limiting groove 1 4 until the bottom end of the limiting groove 1 4 contacts the connecting roller 1 9; S5: the limiting groove 1 4 pulls the connecting frame 2 3 to slide along the vertical limiting groove 1 21 through the connecting roller 1 9, and the limiting block 1 18 is restricted by the vertical limiting groove 2 22, so that the connecting frame 2 3 stably explores out of the storage groove 7; S6: the phased array antenna 3 swings around the axis of the connecting frame 2 3 to be initially lifted; S7: the servo motor 9 continues to drive the lead screw 1 1, so that the connecting cylinder 1 12 drives the sliding cylinder 2 30 to move until the sliding cylinder 2 30 contacts the connecting seat 1 4 and is blocked; S8: the connecting cylinder 1 12 continues to move, drives the sliding sleeve 5 to slide along the connecting rod 1 3, changes the posture of the connecting rod 1 3, and causes the connecting rod 1 3 to swing greatly; S9: the connecting rod 1 3 extrudes the connecting rod 2 8 through the sliding cylinder 1 29, so that the connecting rod 2 8 swings greatly, pushes the phased array antenna 3 to tilt and lift relative to the box 1, and the angle range is 30 degrees to 45 degrees; S10: through the cooperation of the power assembly and the lifting assembly, the phased array antenna 3 is moved out and tilted and lifted to be in the working state with small driving force and stroke; Through the above steps, the phased array antenna 3 is stably moved out of the storage groove 7 and tilted to an appropriate working angle, the structure is compact, the operation is efficient, and the phased array antenna 3 is suitable for scenes such as emergency communication, vehicle-mounted radar, and satellite terminal.

[0037] It is to be understood that the development of the particular implementations described herein was motivated by the desire to solve real-world problems, and as such the claimed implementations can be susceptible to further implementation known to those of ordinary skill in the art. It is the intent of the claims that covers all such variations and modifications, which are within the spirit and scope of the implementations. It is to be understood that any feature described in relation to one implementation can be incorporated with another implementation, and that the description of the implementations is not meant to be limiting.

[0038] It should be noted that the above examples are only used to illustrate the technical solutions of the present application but not limit the present application. Although the present application is described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present application, and all such modifications and equivalents are intended to be covered in the scope of the claims of the present application.

Claims

1. A Ku-band portable phased array antenna, characterized by: The utility model provides a kind of antenna, including box (1), the top of the box (1) is equipped with receiving groove (7), the receiving groove (7) is movably connected with phased array antenna (3), the front and back of one end of phased array antenna (3) are provided with limit block two (8), the two side walls of the inside of receiving groove (7) are respectively equipped with one limit groove three (10), limit block two (8) and limit groove three (10) one to one correspondence, limit block two (8) and corresponding limit groove three (10) are movably inserted.

2. The Ku-band portable phased array antenna of claim 1, wherein: The upper side of the box (1) is connected with radome (2) by several hinges (20).

3. The Ku-band portable phased array antenna of claim 1, wherein: The front and back of one end of the phased array antenna (3) are equipped with limit groove one (4), the two sides of the end of the bottom wall in the receiving groove (7) are equipped with vertical limit slot one (21), the top of connecting frame (23) is rotatably connected with connecting roller (19), connecting roller (19) and limit groove one (4) one to one correspondence, connecting roller (19) is inserted into corresponding limit groove one (4).

4. The Ku-band portable phased array antenna of claim 3, wherein: The bottom of the vertical limit slot one (21) is equipped with vertical limit slot two (22), the bottom end of connecting frame (23) is provided with limit block one (18), the limit block one (18) is inserted into vertical limit slot two (22), limit block one (18) and vertical limit slot two (22) are movably connected.

5. The Ku-band portable phased array antenna of claim 1, wherein: The lower side of the phased array antenna (3) is provided with lifting assembly, lifting assembly includes movable frame (24), movable table (25), connecting plate (26) and connecting rod two (28), the shape of the movable frame (24) is U-shaped, the inside of movable frame (24) is provided with two movable tables (25), the front and back of the receiving groove (7) are provided with limit groove two (6), limit groove two (6) and movable table (25) one to one correspondence, movable table (25) is inserted into corresponding limit groove two (6), the movable table (25) and corresponding limit groove two (6) are slidably connected, the two ends of the connecting rod two (28) are respectively provided with one connecting plate (26), the two ends of the movable frame (24) are rotatably connected with the connecting plate (26) of one end of the connecting rod two (28), the inner bottom wall of the receiving groove (7) is equipped with movable groove (15), the inner bottom wall of one end of the movable groove (15) is provided with connecting seat two (17), the connecting plate (26) of the other end of the connecting rod two (28) is rotatably connected with connecting seat two (17), connecting rod two (28) is rotatably connected with power assembly.

6. The Ku-band portable phased array antenna of claim 5, wherein: Power assembly includes connecting rod one (13), connecting barrel one (12), screw rod (11), sliding cylinder one (29) and servo motor (9), the inside of movable groove (15) is rotatably connected with screw rod (11), the inside of the box (1) is provided with servo motor (9), the outer periphery of the middle segment of screw rod (11) is provided with screw thread, the power output end of servo motor (9) is fixedly connected with one end of screw rod (11), the screw thread section of screw rod (11) is threadedly connected with connecting barrel one (12), connecting barrel one (12) is rotatably connected with sliding sleeve (5) on connecting rod one (13), sliding sleeve (5) and connecting rod one (13) are slidably connected; The connecting rod two (28) is sleeved with a sliding cylinder one (29), and the top end of the connecting rod one (13) is rotationally connected with the sliding cylinder one (29).

7. The Ku-band portable phased array antenna of claim 6, wherein: The power assembly further comprises a limiting sliding rod (16), a connecting seat one (14) and a sliding cylinder two (30), the inner bottom wall of the movable groove (15) is provided with the connecting seat one (14), the limiting sliding rod (16) is connected between the connecting seat one (14) and one side of the inner wall of the movable groove (15), the sliding cylinder two (30) is movably sleeved on the limiting sliding rod (16), the middle part of the connecting rod one (13) is connected with the connecting cylinder one (12) through the sliding sleeve (5), and the bottom end of the connecting rod one (13) is rotationally connected with the sliding cylinder two (30).

8. The Ku-band portable phased array antenna of claim 7, wherein: The length of the limiting sliding rod (16) is shorter than the length of the lead screw (11), and the length of the limiting sliding rod (16) is nine tenths of the length of the lead screw (11).

9. The Ku-band portable phased array antenna of claim 5, wherein: The connecting rod two (28) is cylindrical, and the connecting plate (26) is a flat plate.

10. The Ku-band portable phased array antenna of claim 1, wherein: The limiting groove three (10) penetrates the top end of the box body (1).

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