CN219321609U

CN219321609U - Six-self-organized antenna surface array device

Info

Publication number: CN219321609U
Application number: CN202320296603.5U
Authority: CN
Inventors: 文鹏
Original assignee: Sichuan Jinchao Aerospace Technology Co ltd
Current assignee: Sichuan Jinchao Aerospace Technology Co ltd
Priority date: 2023-02-23
Filing date: 2023-02-23
Publication date: 2023-07-07
Anticipated expiration: 2033-02-23

Abstract

The utility model provides a six-degree-of-freedom antenna surface array device, which comprises a six-degree-of-freedom adjusting device 2 arranged above a base 1, a lifting table 3 arranged above the six-degree-of-freedom adjusting device 2, a signal modulating module 4 arranged behind the lifting table 3, a lifting rod 31 arranged in the middle of the lifting table 3, an antenna array unit 5 arranged in the middle of the lifting rod 31, and a plurality of antenna units 51 arranged in a rectangular array on the antenna array unit 5. When the device is used, the position of the device is adjusted through the six-degree-of-freedom adjusting device, the orientation position of the whole device is adjusted through the rotation of the two-dimensional turntable on the base, the two-dimensional turntable is connected with the base through the bearing, the two-dimensional turntable can horizontally rotate on the base through the motor, rotating frames are respectively arranged on the left side and the right side of the two-dimensional turntable, and the position of the included angle between the lifting platform arranged above the rotating frames and the ground is adjusted through the adjustment of the angles of the rotating frames.

Description

Six-self-organized antenna surface array device

Technical Field

The utility model belongs to the field of antenna surface arrays, and particularly relates to a six-self-degree antenna surface array device.

Background

At present, the development of modern science and technology is more and more widely applied to the application technology of the spatial six-degree-of-freedom position positioning of a machine in various fields of aviation, aerospace, machine tools, automatic equipment and the like, and the requirements are higher and higher. For a spatial object, not only is its index of degree of freedom measured, but also its spatial position is required to be accurately detected. To know the six degrees of freedom of the space object, and the rotation angles α, β, γ of the displacement meter along the three coordinate directions of X, Y, Z about the three coordinate directions, the displacement meter is used.

The antenna mount is a supporting and orienting device of the antenna, so that the antenna can accurately point to the target according to a preset track or move along with the target, and quickly and accurately follow the target, and the structure of the antenna mount greatly influences the performance index of the whole antenna.

Thus, there is a need for a six-self-contained antenna array device.

Disclosure of Invention

The utility model provides a six-self-degree antenna surface array device, which solves the problem of the prior art that the supporting structure of an antenna is used.

The technical scheme of the utility model is realized as follows: the utility model provides a six from antenna surface array device of degree of freedom, installs six degree of freedom adjusting device including the base top, installs the elevating platform above the six degree of freedom adjusting device, signal modulation module is installed at the elevating platform rear, the elevating platform middle part is provided with the lifter, and lifter mid-mounting has antenna array unit, and rectangular array has a plurality of antenna unit on the antenna array unit.

As a preferred embodiment, the rear end face of the antenna array unit is provided with a spin disk, and the antenna array unit is rotated by the spin disk.

As a preferred embodiment, the six-degree-of-freedom adjusting device comprises a two-dimensional turntable and a rotating frame, wherein the lower part of the two-dimensional turntable is connected with the base, the two-dimensional turntable can horizontally rotate, the rotating frames are respectively arranged on the left side and the right side of the two-dimensional turntable, and the upper part of the rotating frame is connected with the lifting table.

As a preferable implementation mode, the lifting platform is of a rectangular structure, a rectangular through hole is formed in the middle of the lifting platform, a lifting rod is installed in the rectangular through hole, and the lifting rod is perpendicular to the upper end face of the six-freedom-degree adjusting device.

As a preferred embodiment, the antenna array unit and the signal modulation module are connected with the signal modulation module through a feeder cable assembly.

After the technical scheme is adopted, the utility model has the beneficial effects that:

1. the antenna array unit is connected with the modulator module through the feeder cable assembly with constant amplitude and stable phase, so that the feeder length and the phase delay of each output channel are ensured to be the same;

2. the six-degree-of-freedom adjusting device adopted by the application document can realize six-degree-of-freedom adjustment of the antenna. The antenna unit is fixed by a six-degree-of-freedom adjusting device.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

fig. 2 is a schematic diagram of a structure of the present utility model without adding a signal modulation module and an antenna unit.

Fig. 3 is a schematic diagram of an antenna array unit according to the present utility model.

Fig. 4 is a schematic diagram of a signal modulation module according to the present utility model.

In the figure, the device comprises a 1-base, a 2-six-degree-of-freedom adjusting device, a 21-two-dimensional turntable, a 22-rotating frame, a 3-lifting table, a 31-lifting rod, a 4-signal modulating module, a 5-antenna array unit, a 51-antenna unit and a 52-spin disk.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples:

as shown in fig. 1 to 4, a six-degree-of-freedom antenna surface array device comprises a six-degree-of-freedom adjusting device 2 arranged above a base 1, a lifting table 3 arranged above the six-degree-of-freedom adjusting device 2, a signal modulation module 4 arranged behind the lifting table 3, a lifting rod 31 arranged in the middle of the lifting table 3, an antenna array unit 5 arranged in the middle of the lifting rod 31, and a plurality of antenna units 51 arranged in a rectangular array on the antenna array unit 5.

When the antenna is used, the position adjustment is carried out through the six-degree-of-freedom adjusting device, the orientation position of the whole device is adjusted firstly through the rotation of the two-dimensional turntable on the base, the two-dimensional turntable is connected with the base through the bearing, the two-dimensional turntable can horizontally rotate on the base through the motor, rotating frames are respectively arranged on the left side and the right side of the two-dimensional turntable, the included angle position of the lifting table arranged above the rotating frames is adjusted through the adjustment of the angles of the rotating frames, the whole antenna can have better angles for data transmission and receiving, the lifting rod arranged on the lifting table is connected with the antenna array unit, the connection of the lifting rod is connected through the spin disk, the spin disk plays a role in enabling the antenna array unit to rotate, the position of the lifting table is adjusted, the signal modulation module is arranged at the rear of the lifting table, the feeding cable components with equal amplitude and stable phases are connected between the antenna and the modulator, the feeding electric length and the phase delay of each output channel are ensured to be identical, the antenna unit is arranged on the antenna array unit through screws, and the antenna unit is fixed through socket through holes.

Specifically, the antenna array unit has 36 antenna units in total, and the rear end of each antenna unit is connected with a signal modulation unit, and the signal modulation unit is used for modulating the amplitude and the phase of the receiving and transmitting signals. The frequency band of the antenna array unit is divided into: 6GHz-10GHz;10GHz-18GHz; the antenna form adopts a horn antenna; number of units: 32 transceiver units; 4 broadband receiving units; antenna element gain: more than or equal to 10dBi (6 GHz-10 GHz); more than or equal to 3dBi (10 GHz-18 GHz).

The parameters of the signal modulation module are as follows, the number of channels is as follows: 32 transceiving channels; 4 wideband reception channels; power consumption: and the weight is less than or equal to 250W. Single transmit receive channel index: input frequency range: 6-18 GHz; output frequency range: 6-18 GHz; transmitting channel output power: not less than 10dBm; noise figure: better than 5dB; reception channel gain: not less than 20dB; attenuation range: not less than 40dB, and the amplitude control step is 0.5dB; phase shift range: 360 deg., step by step 5.625 deg.; interface form: J30J-15, serial control data in; single wideband receive channel indicator: frequency range: 6-18 GHz; reception channel gain: not less than 20dB; attenuation range: not less than 40dB, and the amplitude control step is 0.5dB; phase shift range: 360 deg., step by step 5.625 deg.; an interface: J30J-15, serial control data in.

The rear end face of the antenna array unit 5 is provided with a spin disk 52, and the antenna array unit 5 is rotated by the spin disk 52.

The six-degree-of-freedom adjusting device 2 comprises a two-dimensional turntable 21 and a rotating frame 22, wherein the lower part of the two-dimensional turntable 21 is connected with the base 1, the two-dimensional turntable 2 can horizontally rotate, the rotating frames 22 are respectively arranged on the left side and the right side of the two-dimensional turntable 2, and the upper part of the rotating frame 22 is connected with the lifting table 3. The lifting table 3 is of a rectangular structure, a rectangular through hole is formed in the middle of the lifting table 3, a lifting rod 31 is installed in the rectangular through hole, and the lifting rod 31 is perpendicular to the upper end face of the six-degree-of-freedom adjusting device 2. The antenna array unit 5 is connected with the signal modulation module 4 through a feeder cable assembly and the signal modulation module 4

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. The utility model provides a six from antenna surface array device of degree of freedom, its characterized in that, including base (1) top install six degree of freedom adjusting device (2), elevating platform (3) are installed to six degree of freedom adjusting device (2) top, signal modulation module (4) are installed at elevating platform (3) rear, elevating platform (3) middle part is provided with lifter (31), and lifter (31) mid-mounting has antenna array unit (5), and rectangular array has a plurality of antenna unit (51) on antenna array unit (5).

2. A six self-contained antenna array apparatus as claimed in claim 1, wherein: the rear end face of the antenna array unit (5) is provided with a spin disk (52), and the antenna array unit (5) is rotated through the spin disk (52).

3. A six self-contained antenna array apparatus as claimed in claim 1, wherein: six degrees of freedom adjusting device (2) are including two-dimensional revolving stage (21) and rotating turret (22), two-dimensional revolving stage (21) below is connected with base (1), and two-dimensional revolving stage (21) can carry out horizontal rotation, two-dimensional revolving stage (21) left and right sides are provided with rotating turret (22) respectively, and rotating turret (22) top is connected with elevating platform (3).

4. A six self-contained antenna array apparatus as claimed in claim 1, wherein: the lifting table (3) is of a rectangular structure, a rectangular through hole is formed in the middle of the lifting table (3), a lifting rod (31) is installed in the rectangular through hole, and the lifting rod (31) is perpendicular to the upper end face of the six-degree-of-freedom adjusting device (2).

5. A six self-contained antenna array apparatus as claimed in claim 1, wherein: the antenna array unit (5) is connected with the signal modulation module (4) through a feeder cable assembly and the signal modulation module (4).