A box-type transportable antenna

Abstract

The application provides a box type movable antenna, belonging to the technical field of antennas, which comprises supporting legs, an antenna seat frame, an antenna reflecting surface, a feed source supporting rod, a polarization device and a feed source, etc.The antenna seat frame is built in the inside of a packaging box body, the packaging box body comprises a driving box and a panel box, and the driving box and the panel box jointly constitute a supporting structure of the seat frame.The supporting legs are installed around the box body.The central panel of the antenna reflecting surface is fixed on the antenna seat frame, and the remaining part adopts a split form and can be quickly connected on the central panel.The one end of the feed source supporting rod is fixed on the central panel, and the other end is connected with the polarization device and the feed source, thereby playing a supporting and positioning role.The whole antenna can be stored in the two box bodies of the driving box and the panel box.The antenna has the advantages of light weight, good rigidity, high erection efficiency, beautiful appearance and the like relative to the conventional movable antenna, and solves the problems of cable winding and line hanging in the rotating process of the antenna.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of antenna, in particular to a box type portable antenna. BACKGROUND

[0002] With the rapid development of satellite communication technology, the form of portable antenna is more and more diversified, the aperture is as small as 0.1 meter, and as large as 3.7 meters or more. The antenna with aperture of 1.8 meters or more is generally called portable antenna. This kind of antenna has the advantages of flexible use of site, rapid transfer and the like compared with fixed station antenna, and can adapt to poor road conditions and the like environment compared with vehicle-mounted antenna. In recent years, the demand for portable antenna is increasing.

[0003] At present, the portable antenna products at home and abroad are mostly in the form of support leg + turntable + antenna reflector. This structure has the following disadvantages:

[0004] 1. Poor wind resistance and poor overall rigidity, if the support leg, turntable and the like are made strong enough, the weight will be greatly increased;

[0005] 2. The equipment is split into many parts, the assembly and erection are complicated, and the disassembly and assembly process involves lifting the support leg, turntable and the like many times, which is time-consuming and laborious;

[0006] 3. The cable is exposed, the appearance is not good, and there are problems of cable winding and hanging line;

[0007] 4. The packaging box needs to be placed at an additional place. SUMMARY

[0008] The present application aims to solve the problems of poor rigidity, long erection time and cable winding during antenna rotation of the traditional portable antenna, and provides a box type portable antenna.

[0009] In order to achieve the above purpose, the technical scheme adopted by the present application is as follows:

[0010] A box type portable antenna, comprising a support leg, a side reflector and a center panel fixed to the center of the side reflector; further comprising a packaging box body as a support structure and a drive box body located at the top of the packaging box body, and the drive box body is divided into an upper drive box body and a lower drive box body; the bottom plate of the upper drive box body and the top plate of the lower drive box body are connected by a bearing; the upper drive box body is provided with an azimuth structure and an elevation structure; the elevation structure comprises an electric push rod and an elevation motor for driving the electric push rod to move; the bottom end of the electric push rod is hinged to one side of the bottom plate of the upper drive box body, and the top of the electric push rod is hinged to the center panel; the top of the side wall of the upper drive box body is further provided with a support angle plate for assisting the elevation movement of the reflector, the top transverse edge of the support angle plate is fixed to the center panel, and the bottom corner end of the support angle plate is hinged to the top of the other side wall of the upper drive box body;

[0011] The azimuth structure comprises a pinion, an azimuth bull gear and an azimuth motor driving the rotation of the pinion; the azimuth bull gear is fixed on the top plate of the lower drive box, and the center of the azimuth bull gear coincides with the rotation center of the upper drive box; the azimuth motor is fixed on the bottom plate inside the upper drive box, and the output shaft of the azimuth motor passes through the bottom plate of the upper drive box and is connected with the pinion below the upper drive box; the pinion and the azimuth bull gear are engaged;

[0012] A feed source is further arranged on the central axis of the side reflecting surface, and the feed source is fixed on the central panel through a feed source support rod; one end of the feed source support rod is connected with the central panel, and the other end is connected with the feed source through a polarization motor, and the feed source is installed on the output shaft of the polarization motor.

[0013] Further, the side wall of the upper drive box for connecting the support angle plate is a left wall plate, and a hinge seat is arranged on the top of the left wall plate, and the bottom corner end of the support angle plate is connected with the hinge seat; the hinge end of the bottom of the electric push rod is close to the right wall plate of the upper drive box.

[0014] Further, the support angle plate and the electric push rod are both provided with two, and the two electric push rods are driven by the same pitching motor.

[0015] Further, the side reflecting surface is of a split structure, and the adjacent split reflecting surfaces and the split reflecting surface and the central panel are connected through quick locking members.

[0016] Further, it further comprises a support leg, one end of the support leg is connected with the outer wall of the packaging box through a quick locking screw, and the other end of the support leg is provided with a screw rod which is perpendicular to the support leg and is threadedly connected with the support leg; the bottom of the screw rod is provided with a support plate which is connected with the screw rod through a ball hinge; and the top of the screw rod is fixedly provided with a hand wheel.

[0017] Further, the other end of the support leg is provided with a threaded ring, and the threaded ring is provided with an internal thread; and the screw rod is threadedly connected with the threaded ring.

[0018] Further, an azimuth speed reducer is further arranged between the pinion and the azimuth motor; a pitching speed reducer is further arranged between the electric push rod and the pitching motor; and a harmonic reducer is further arranged between the polarization motor and the feed source.

[0019] Further, the split reflecting surface, the support leg, the feed source, the feed source support rod and the central panel after disassembly are placed in the packaging box.

[0020] Further, the outer wall surface of the lower drive box is provided with a conversion plate, and the center of the upper drive box and the lower drive box is provided with a wire running hole which is penetrated, and the electric wire extends from the upper drive box to the lower drive box through the wire running hole.

[0021] The beneficial effects generated by the technical scheme of the present application are as follows:

[0022] 1、 The present application takes "lighter weight, faster opening and erection, and more convenient operation" as a starting point, through the research on antenna structure integration design, antenna structure rapid assembly design and other researches, the related technologies and difficulties are broken through, and finally the antenna has the characteristics of light weight, high erection efficiency, convenient use and the like.

[0023] 2、 The antenna of the present application is lighter in weight and better in rigidity. The antenna seat frame and the box body are designed in an integrated manner, the weight and structure of the packaging box body are fully utilized, the overall rigidity is good, and the weight is light.

[0024] 3、 The present application improves the erection efficiency of the antenna. In the processes of leg installation, box body erection, antenna reflector assembly, feed source support rod and feed source installation, fast positioning and locking design are adopted, which greatly improves the antenna erection efficiency.

[0025] 4、 The present application is provided with a wire hole penetrating through the center of the packaging box body and the driving box body, the antenna is provided with an external adapter plate which does not rotate with the azimuth and pitch, and the wire connection is facilitated, and the problems of wire winding and wire hanging are solved. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 is a side view of the present application;

[0027] Figure 2 is an exploded structure diagram of Figure 1 ;

[0028] Figure 3 is a structure diagram of the present application;

[0029] Figure 4 is an enlarged view of A in Figure 3 ;

[0030] Figure 5 is a side view of the packaging box body and the driving box body of the present application.

[0031] Figure 6 is a structure diagram of the present application.

[0032] Figure 7 is a structure diagram of the reflector of the present application.

[0033] Figure 8 is an enlarged view of B in Figure 7 ;

[0034] Figure 9 is a structure diagram of the feed source support rod of the present application.

[0035] In the figure: 1, upper drive box, 2, side reflector, 3, foot, 4, feed source support rod, 5, polarization motor, 6, feed source, 7, support angle plate, 8, support column, 9, azimuth motor, 10, packaging box, 11, lower drive box; 12, center panel, 13, first hinge seat, 14, electric push rod, 15, elevation reducer, 16, second hinge seat, 17, elevation motor, 18, adapter plate, 19, diagonal brace, 20, screw, 21, hand wheel, 22, quick lock screw, 23, positioning pin. DETAILED DESCRIPTION

[0036] The application will be further described below in conjunction with the drawings and specific embodiments.

[0037] In order to more clearly illustrate the technical solutions of the embodiments of the application, the drawings of the embodiments will be briefly introduced below. Obviously, the drawings described in the following description are only some embodiments of the application, and other drawings can also be obtained by those skilled in the art without any creative effort on the basis of these drawings.

[0038] A box type movable antenna comprises a support leg, a side reflector and a center panel fixed in the center of the side reflector; further comprising a packaging box as a support structure and a drive box at the top of the packaging box, and the drive box is divided into an upper drive box and a lower drive box; the bottom plate of the upper drive box and the top plate of the lower drive box are connected by a bearing; the upper drive box is provided with an azimuth structure and an elevation structure; the elevation structure comprises an electric push rod and an elevation motor driving the movement of the electric push rod; the bottom end of the electric push rod is hinged to one side of the bottom plate of the upper drive box, and the top of the electric push rod is hinged to the center panel; the top of the side wall of the upper drive box is further provided with a support angle plate for assisting the elevation movement of the reflector, the top transverse edge of the support angle plate is fixed to the center panel, and the bottom corner end of the support angle plate is hinged to the top of the other side wall of the upper drive box;

[0039] The azimuth structure comprises a small gear, an azimuth large gear and an azimuth motor driving the rotation of the small gear; the azimuth large gear is fixed to the top plate of the lower drive box, and the center of the azimuth large gear coincides with the rotation center of the upper drive box; the azimuth motor is fixed to the bottom plate in the upper drive box, and the output shaft of the azimuth motor passes through the bottom plate of the upper drive box and is connected to the small gear below the upper drive box; the small gear and the azimuth large gear are in meshing engagement;

[0040] The side reflector is further provided with a feed source on the central axis, and the feed source is fixed to the center panel through a feed source support rod; one end of the feed source support rod is connected to the center panel, and the other end is connected to the feed source through a polarization motor, and the feed source is installed on the output shaft of the polarization motor.

[0041] Further, the upper drive box side wall for connecting the support angle plate is a left wall plate, the top of the left wall plate is provided with a hinge seat, the bottom corner end of the support angle plate is connected to the hinge seat, and the hinge end of the bottom of the electric push rod is close to the right wall plate of the upper drive box.

[0042] Further, the support angle plate and the electric push rod are both provided with two, and the two electric push rods are driven by the same pitch motor.

[0043] Further, the side reflecting surface is a split structure, and the adjacent split reflecting surfaces and the split reflecting surface and the center panel are connected by quick locking members.

[0044] Further, it further includes a support leg, one end of the support leg is connected to the outer wall of the packaging box by a quick locking screw, the other end of the support leg is provided with a screw rod which is perpendicular to the support leg and is screw-connected, the bottom of the screw rod is provided with a support plate which is ball-hinged to the screw rod, and the top of the screw rod is fixedly provided with a hand wheel.

[0045] Further, the other end of the support leg is provided with a threaded ring, and the threaded ring is internally threaded; the screw rod is screw-connected with the threaded ring.

[0046] Further, the azimuth speed reducer is further provided between the small gear and the azimuth motor; the pitch speed reducer is further provided between the electric push rod and the pitch motor; and the harmonic reducer is further provided between the polarization motor and the feed source.

[0047] Further, the split reflecting surface, the support leg, the feed source, the feed source support rod and the center panel after disassembly are placed in the packaging box.

[0048] Further, the lower drive box is provided with a transition plate on the outer wall surface, and the center of the upper drive box and the lower drive box is provided with a through wiring hole, and the electric wire extends from the upper drive box to the lower drive box through the wiring hole.

[0049] The following is a more specific embodiment:

[0050] Reference Figures 1 to 9The embodiment includes height-adjustable legs, an antenna pedestal designed in an integrated manner with a packaging box, a quickly-assembled antenna reflector, segmented feed support rods, a polarization device, and a feed, etc. The antenna can be erected and stored manually. The antenna pedestal is built-in the packaging box, and the drive box includes an upper drive box and a panel box, which together form a support structure of the pedestal in the working state of the lower drive box. When stored, the entire antenna can be stored in the two boxes. The legs are installed around the box. The center panel of the antenna reflector is fixed on the antenna pedestal, and the remaining part is in the form of segments, which can be quickly connected to the center panel. The feed support rod is fixed at one end to the center panel and connected at the other end to the polarization device and the feed, playing a supporting and positioning role.

[0051] Further, the antenna pedestal is designed in an integrated manner with the packaging box, and the pedestal is built-in the packaging box, which is used as a support structure of the antenna pedestal in the working state, having light weight and good rigidity. The pedestal does not need to be moved out or lifted in when erected and stored, saving time and effort.

[0052] Further, the antenna has an external adapter plate, which does not rotate with the antenna azimuth and pitch, avoiding cable winding and hanging problems. The adapter plate is arranged on the outer wall of the lower drive box.

[0053] Further, the legs are four in number and are installed around the box, which can be quickly positioned and installed. The height of the legs is adjustable, and the spherical hinge structure can keep the legs vertical on various rugged ground.

[0054] Further, the antenna reflector is in the form of a center panel + segmented panel, which is convenient for storage. The connection between the panels adopts a positioning plate + lock structure, which can be operated by a single person, and can be accurately and quickly assembled.

[0055] Further, the feed support rod is in a segmented form, which is convenient for disassembly and storage. One end of the feed support rod is connected to the center panel of the antenna reflector, and the cable and structure are integrated and quickly disassembled, which can efficiently and reliably install the structure and the cable. The other end of the feed support rod is installed with the feed, and adopts a positioning pin + quick screw structure, which can quickly and manually change the feed.

[0056] Further, the polarization device selects a stepper motor + harmonic reducer, which has compact structure. The output interface adopts a boss positioning and nut fastening, which is suitable for the installation of multiple feeds.

[0057] Further, the antenna adopts a hidden wiring design, and most of the cables are not exposed, having simple and beautiful appearance.

[0058] As Figures 1 to 5As shown: including the upper drive box 1, side reflector 2, feet 3, feed source support rod 4, polarization motor 5, feed source 6. Drive box is placed on the top of the packaging box, drive box and packaging box in working condition together constitute the support structure of the seat. When the collection, the entire antenna can be stored in the drive box and packaging box two box. Feet 3 is installed on the bottom of the packaging box around. The center panel of the reflector is fixed on the pitch structure, the side reflector 2 adopts the form of split, which can be connected to the center panel through the quick locking piece. The feed source support rod 4 is fixed to the center panel at one end, and the polarization device 5 and the feed source 6 are connected at the other end, which plays a supporting and positioning role. The second hinge seat is fixed at the angle between the bottom plate and the right wall plate of the upper drive box, the first hinge seat is fixed on the support column next to the left wall plate, and the support angle plate 7 is hinged to the first hinge seat.

[0059] As shown in Figure 3 and Figure 5 The upper drive box and the lower drive box are connected by bearings, both boxes adopt foam sandwich + carbon fiber skin structure, various installation interfaces are built-in through pre-buried and other ways, and the antenna azimuth transmission mechanism and the pitch driving mechanism are directly installed in the box. After the box is opened, it can be used directly, which saves the disassembly and assembly time of the antenna. At the same time, the packaging box is used for antenna erection, which no longer needs additional space, reducing the floor area of the antenna during erection. The antenna is provided with an external adapter plate for connecting external cables, and the adapter plate is located on the lower drive box 11. The external adapter plate is located below the azimuth driving mechanism, which remains stationary in the working state and does not rotate with the azimuth and pitch, solving the problems of cable winding and hanging line during antenna rotation.

[0060] As shown in Figure 6 The feet of the support leg structure are installed by positioning pins 23 and quick locking screws 22, the positioning pins are used for quick positioning, and the quick locking screws are used for locking. The bottom of the screw rod of the support leg is connected to the support plate by a ball hinge structure, and the support plate can remain vertical when the support plate is at a large angle, so that the support leg can remain vertical even when the ground is uneven. The top of the screw rod 20 of the support leg is equipped with a hand wheel 21, which drives the screw rod to rotate to change the height of the support leg. The support leg is provided with an inclined strut 19 for connecting the upper part of the box and strengthening the overall stiffness of the box.

[0061] As shown in Figure 7 and Figure 8As shown, the antenna side reflector is divided into 11 pieces (1 central reflector + 10 side reflectors) considering the material, manufacturing process, storage size, and installation speed, and the central panel is connected to the elevation structure. When assembled, the panels are precisely assembled together to form the entire reflector by the positioning plate + lock combination. The adjacent split reflectors are connected by two sets of circumferential and two sets of radial positioning plate + lock combination. The lock has an adjustable function, and by adjusting the lock nut, the working tension of each lock is within a reasonable range, ensuring accuracy and facilitating installation.

[0062] As shown in Figure 9 The feed support rod is in a segmented form, and the two segments are connected by quick mounting screws for easy disassembly and storage. The feed support rod is installed at one end of the central panel of the antenna reflector, and the cable and structure are integrated for quick disassembly and assembly, which can efficiently and reliably install the structural members and cable connectors. The other end of the feed support rod is installed with the feed source, which uses a positioning pin + quick mounting screw structure for quick manual feed change. At the same time, the feed support rod adopts a hollow structure, which can not only support but also be used for wiring inside.

[0063] The polarization device uses a stepper motor + harmonic reducer combination, which is stable in driving and compact in structure. The polarization device and the feed source connection interface use a shoulder + boss positioning and a pattern nut fastening, which is easy to install, reliable in connection, and suitable for various forms of feed sources.

[0064] Those skilled in the art can understand that the above description is not intended to limit the invention, and although the invention has been described in detail with reference to the foregoing examples, those skilled in the art can still modify the technical solutions recorded in the foregoing examples or make equivalent replacements for part of the technical features. Any modifications, equivalent replacements, etc. made within the spirit and principles of the invention shall be included in the protection scope of the invention.

Claims

1. A box-shaped transportable antenna comprising legs, side reflectors and a central panel fixed to the center of the side reflectors; characterized in that, It also includes a packaging box as a support structure and a drive box located at the top of the packaging box, and the drive box is divided into an upper drive box and a lower drive box; the bottom plate of the upper drive box and the top plate of the lower drive box are connected by bearings; the upper drive box is provided with an azimuth structure and a pitch structure; the pitch structure includes an electric push rod and a pitch motor for driving the electric push rod to move; the bottom end of the electric push rod is hinged to one side of the bottom plate of the upper drive box, and the top of the electric push rod is hinged to the center panel; the top of the side wall of the upper drive box is also provided with a support angle plate for assisting the pitch movement of the reflecting surface, the top transverse edge of the support angle plate is fixed to the center panel, and the bottom corner end of the support angle plate is hinged to the top of the other side wall of the upper drive box. The azimuth structure includes a small gear, an azimuth large gear, and an azimuth motor for driving the small gear to rotate; the azimuth large gear is fixed to the top plate of the lower drive box, and the center of the azimuth large gear coincides with the rotation center of the upper drive box; The azimuth motor is fixed to the bottom plate in the upper drive box, and the output shaft of the azimuth motor passes through the bottom plate of the upper drive box and is connected to the small gear located below the upper drive box; the small gear and the azimuth large gear are meshed; A feed source is also provided on the central axis of the side reflecting surface, and the feed source is fixed to the center panel by a feed source support rod; one end of the feed source support rod is connected to the center panel, and the other end is connected to the feed source by a polarization motor, and the output shaft of the polarization motor is installed on the feed source; The side wall of the upper drive box for connecting the support angle plate is a left wall plate, and the top of the left wall plate is provided with a hinge seat, and the bottom corner end of the support angle plate is hinged to the hinge seat; the hinged end of the bottom of the electric push rod is close to the right wall plate of the upper drive box; It also includes a support leg, one end of which is connected to the outer wall of the packaging box by a quick lock screw, and the other end of the support leg is provided with a screw rod perpendicular thereto and threadedly connected; the bottom of the screw rod is provided with a support plate connected by a ball hinge; the top of the screw rod is fixedly provided with a hand wheel.

2. A transportable antenna according to claim 1, wherein, The support angle plate and the electric push rod are both provided with two, and the two electric push rods are driven by the same pitch motor.

3. The box-shaped transportable antenna according to claim 1, wherein The side reflecting surface is a split structure, and adjacent split reflecting surfaces and split reflecting surfaces and center panels are connected by quick locking members.

4. The box-shaped transportable antenna according to claim 1, wherein The other end of the support leg is provided with a threaded ring, and the threaded ring is provided with an internal thread; the screw rod is threadedly connected with the threaded ring.

5. The box-shaped transportable antenna according to claim 1, wherein The azimuth reduction machine is also provided between the small gear and the azimuth motor; the pitch reduction machine is also provided between the electric push rod and the pitch motor; the harmonic reducer is also provided between the polarization motor and the feed source.

6. The box-shaped transportable antenna according to claim 1, wherein The split reflecting surface, the support leg, the feed source, the feed source support rod, and the center panel after disassembly are placed in the packaging box.

7. The box-shaped transportable antenna according to claim 1, wherein The outer wall surface of the lower drive box is provided with a transfer plate, and the center of the upper drive box and the lower drive box is provided with a through wiring hole, and the electric wire extends from the upper drive box to the lower drive box through the wiring hole.

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