CN210518291U

CN210518291U - Automatic alignment communication system

Info

Publication number: CN210518291U
Application number: CN201921986834.9U
Authority: CN
Inventors: 梁文宏; 高超佳; 王冠伟; 王洪喜; 田慧慧
Original assignee: Xian Technological University
Current assignee: Xian Technological University
Priority date: 2019-11-18
Filing date: 2019-11-18
Publication date: 2020-05-12
Anticipated expiration: 2029-11-18

Abstract

The utility model discloses an automatic alignment communication system, which comprises an azimuth axis system, a pitching axis system, a control system, a magnetic compass, a Beidou positioning system and a communication assembly; the control system obtains true north azimuth, longitude signal, latitude signal, altitude signal, inclination signal, self-resolving rotating speed, azimuth angle and pitching angle through the magnetic compass and the Beidou positioning system, and automatically finishes the communication alignment work with a fixed-point base station or surrounding similar equipment within 2-3 minutes.

Description

Automatic alignment communication system

Technical Field

The utility model relates to a microwave communication technology field, concretely relates to automatic aim at communication system.

Background

Microwave communication has been widely used in telecommunications, aerospace, military and other industries. Aiming at the condition of middle distance (5-10KM), a high-resolution two-degree-of-freedom turntable is usually adopted at present to carry microwave equipment to complete automatic alignment work between two points, an electric control system of the turntable drives two motors of azimuth and elevation, and the automatic alignment and good communication functions are completed by utilizing position signals between the two points, self inclination angle signals of the turntable, the elevation and current angle signals of an azimuth axis.

The high-resolution, stable and efficient two-degree-of-freedom microwave communication system has very wide market prospect and can be widely used in disaster relief, frontier defense, ships and other related equipment.

In the prior art, a microwave communication system is mainly applied to transmission of various telecommunication services, such as telephone, fax, etc., and particularly has flood-fighting and disaster-fighting functions. Due to the linear propagation characteristic, receiving devices must be provided every 10-50KM, the initial alignment completely depends on manual repeated alignment at present, time and labor are wasted, and the accurate and rapid alignment which takes seconds in minutes is particularly important when the problems of flood fighting, disaster fighting and the like are met.

Disclosure of Invention

The utility model discloses an automatic aim at communication system, solve among the prior art microwave communication system and aim at completely and rely on the manual work to relapse the school to right for the first time, the problem that takes time and trouble.

In order to solve the above problem, the technology of the present invention is as follows:

an automatic alignment communication system comprises a rectangular rack, wherein an azimuth axis system, a pitch axis system, a control system, a true north positioning module, a Beidou positioning module and a microwave communication assembly are arranged on the rack;

the azimuth axis system is arranged in the frame and comprises a bearing, an azimuth shaft, an azimuth bearing seat, a bearing end cover, a sealing ring, an azimuth absolute value encoder, an azimuth worm gear and an azimuth stepping motor, wherein the bearing is concentrically arranged in the inner cavity of the azimuth bearing seat, the bearing is tightly pressed by the bearing end cover and is sealed by the sealing ring;

the pitching axis system is arranged above the azimuth axis system and comprises a pitching shaft, a double bearing, a bearing seat, a sealing ring, a pitching absolute value encoder, a pitching worm gear and a pitching stepping motor; the pitching axis system adopts a two-side supporting mode, a left bearing seat and a right bearing seat are connected to the azimuth turntable, bearings are concentrically arranged in inner cavities of the bearing seats, the bearings are tightly pressed by bearing end covers and sealed by sealing rings, a pitching shaft is concentrically connected in the bearings, the pitching shaft is horizontally arranged, one side of the pitching shaft is connected with a pitching absolute value encoder, the other side of the pitching shaft is connected with a pitching worm gear and is connected with a pitching stepping motor, and the pitching stepping motor rotates to realize the rotation motion of the pitching axis;

the microwave communication assembly is arranged in the middle of the pitching shaft; the pitching axis system and the azimuth axis system drive the microwave communication assembly to complete pitching and azimuth two-axis movement so as to realize automatic alignment.

Further, control system sets up the inner space at the frame, and control system adopts STM32F103RCT6 as control core, including big dipper orientation module, true north orientation module, network communication module, drive module, memory module, diaxon inclination module, power module.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an on-vehicle mode can follow the vehicle and arrive the appointed region rapidly and accomplish the communication. The high-precision positioning system and the perfect measuring module can finish the automatic alignment work in a short time without manual intervention. The aligned microwave communication is not affected by natural disasters, and has excellent communication effect.

The microwave communication component of the utility model has good communication quality and long distance; the two free rotary tables have high resolution, vibration resistance and impact resistance and are suitable for vehicle-mounted environments; a Beidou communication module, a true north positioning module, an inclination angle measuring module and other measuring modules are arranged; the main control unit has effective and reliable decision, short alignment time and high efficiency.

Drawings

FIG. 1 is an overall structure of the present invention;

fig. 2 is a structure diagram of the control system of the present invention.

In the figure, 1-microwave communication assembly; 2-azimuth bearing support; 3-pitch absolute value encoder; 4-a Beidou positioning module; 5-azimuth axis; 6-true north orientation module; 7-azimuth worm gear; 8-an orientation absolute value encoder; 9-azimuth stepper motor; 10-a frame; 11-pitch axis; 12-pitch worm gear; 13-a pitch stepper motor; 14 pitch bearing support.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings. Wherein like elements in different embodiments are numbered with like associated elements. In the following description, numerous details are set forth in order to provide a better understanding of the present application. However, those skilled in the art will readily recognize that some of the features may be omitted or replaced with other elements, materials, methods in different instances.

The utility model designs a two-degree-of-freedom microwave communication system capable of bearing vehicle-mounted vibration, which can be transported and operated at fixed points along with vehicles; a closed-loop positioning system integrating a stepping coder and an absolute value coder is designed, so that the high resolution of microwave positioning is realized; the perfect alignment algorithm realizes the rapidity and the high efficiency of the alignment system through the complete two-axis inclination angle module, the Beidou positioning module and the true north positioning module.

The invention is further illustrated by the following figures and examples:

an automatic alignment communication system as described with reference to fig. 1 and 2, comprising a rectangular housing 10, characterized in that: the machine frame 10 is provided with an azimuth axis system, a pitch axis system, a control system, a true north positioning module 6, a Beidou positioning module 4 and a microwave communication assembly 1;

the azimuth axis system is arranged in a frame 10 and comprises a bearing, an azimuth shaft 5, an azimuth bearing seat 2, a bearing end cover, a sealing ring, an azimuth absolute value encoder 8, an azimuth worm gear 7 and an azimuth stepping motor 9, wherein the bearing is concentrically arranged in the inner cavity of the azimuth bearing seat 2 and is tightly pressed by the bearing end cover and sealed by the sealing ring, the azimuth shaft is concentrically connected in the bearing and is vertically distributed, the upper side of the azimuth shaft is connected with an azimuth turntable, a Beidou positioning module is arranged in the bearing, the lower side of the azimuth worm gear is connected with the azimuth worm gear 7, the output end of the worm gear is connected with the azimuth absolute value encoder 8, the input end of the worm is connected with the azimuth stepping motor 9, the stepping motor 9 rotates to realize the rotation motion of the azimuth axis system along the ground vertical axis;

the pitching axis system is arranged above the azimuth axis system and comprises a pitching shaft 11, a double bearing, a bearing seat 14, a sealing ring, a pitching absolute value encoder 3, a pitching worm gear 12 and a pitching stepping motor 13; the pitch axis system adopts a two-side supporting mode, a left bearing seat 14 and a right bearing seat 14 are connected to an azimuth turntable, bearings are concentrically arranged in inner cavities of the bearing seats, the bearings are tightly pressed by bearing end covers, sealing rings are sealed, a pitch shaft 11 is concentrically connected in each bearing, the pitch shaft is horizontally arranged, one side of each bearing is connected with a pitch absolute value encoder 3, the other side of each bearing is connected with a pitch worm gear 12, the pitch worm gear 12 is connected with a pitch stepping motor 13, and the pitch stepping motor 13 rotates to realize the rotation motion of the pitch axis system along the;

the microwave communication assembly 1 is arranged in the middle of the pitching shaft 11; the pitching axis system and the azimuth axis system drive the microwave communication component 1 to complete pitching and azimuth two-axis movement so as to realize automatic alignment.

Control system sets up the inner space at frame 10, and control system adopts STM32F103RCT6 as control core, including big dipper orientation module 4, true north orientation module 6, network communication module, drive module, memory module, diaxon inclination module, power module.

An input section: the Beidou positioning module 4 and the true north positioning module 6 are directly connected with the control core, and longitude and latitude information and the true north position are input; the two-axis inclination angle module measures the inclination state of the current position of the system, directly inputs the inclination state into a control core and assists in measuring and calculating the motion trail; the microwave communication component receives and transmits related information; the network communication module is directly connected with the control core, receives an upper control instruction and feeds back an alignment state; the data of the pitching absolute value encoder 3 and the azimuth absolute value encoder 8 directly enter a control core, and position closed-loop control of a control system is realized.

An output section: the control core controls the driving module, and the driving module controls the stepping motor to realize the rotating function. And the power supply module is responsible for supplying power to all chips. The memory module records the position and other related information after power failure.

The general use of the device of the present invention is described below:

the vehicle-mounted high-resolution two-degree-of-freedom microwave communication system is usually arranged at the position where the top or the carriage of a vehicle is not shielded, and comprises an azimuth axis and a pitching axis, a UT type combination, wherein the azimuth axis is arranged below the pitching axis. The control core reads the true north direction, the self inclination, height information and longitude and latitude information of the rotary table, autonomously determines the rotating speed, the azimuth angle and the pitch angle, and finds another communication station to complete a communication link. In an ideal state, the two microwave communication assemblies complete the alignment line (axis) coincidence, and the optimal communication effect is realized.

Known information alignment: the known height information and longitude and latitude information of 2 vehicle-mounted high-resolution two-degree-of-freedom microwave communication systems are input into the vehicle-mounted high-resolution two-degree-of-freedom microwave communication systems, and the control system scans in corresponding directions by adopting Z-shaped curves to acquire microwave communication information of the other side as a scanning success mark and stays at the position with the maximum communication intensity and data speed.

Free alignment: the self height information and the longitude and latitude information of the 2 vehicle-mounted high-resolution two-degree-of-freedom microwave communication systems are sent at regular time through microwave communication equipment, 2 shafts of the 2 vehicle-mounted high-resolution two-degree-of-freedom microwave communication systems freely rotate at the same time, the speed is repeatedly switched, the microwave communication information of the opposite side is obtained within 2-3 minutes, the known information alignment is carried out after the data of the opposite side is obtained, and the final alignment work is completed.

For those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A self-aligning communications system comprising a rectangular housing (10), characterized by: the machine frame (10) is provided with an azimuth axis system, a pitching axis system, a control system, a true north positioning module (6), a Beidou positioning module (4) and a microwave communication assembly (1);

the azimuth axis system is arranged in a rack (10) and comprises a bearing, an azimuth shaft (5), an azimuth bearing seat (2), a bearing end cover, a sealing ring, an azimuth absolute value encoder (8), an azimuth worm gear (7) and an azimuth stepping motor (9), wherein the bearing is concentrically arranged in the inner cavity of the azimuth bearing seat (2), the bearing is compressed by the bearing end cover and sealed by the sealing ring, the azimuth shaft is concentrically connected in the bearing, the azimuth shaft is vertically distributed, the upper side of the bearing is connected with an azimuth turntable, a Beidou positioning module (4) is arranged in the Beidou, the lower side of the bearing is connected with the azimuth worm gear (7), the output end of the worm gear is connected with the azimuth absolute value encoder (8), the input end of the worm is connected with the azimuth stepping motor (9), the stepping motor (9) rotates to realize the rotary motion of the azimuth axis system along the vertical axis of the ground, and;

the pitching axis system is arranged above the azimuth axis system and comprises a pitching shaft (11), a double bearing, a bearing seat (14), a sealing ring, a pitching absolute value encoder (3), a pitching worm gear (12) and a pitching stepping motor (13); the pitch axis system adopts a two-side supporting mode, a left bearing seat (14) and a right bearing seat (14) are connected to an azimuth turntable, bearings are concentrically arranged in inner cavities of the bearing seats, the bearings are tightly pressed by bearing end covers, sealing rings are sealed, a pitch shaft (11) is concentrically connected in each bearing, the pitch shaft is horizontally distributed, one side of each bearing is connected with a pitch absolute value encoder (3), the other side of each bearing is connected with a pitch worm gear (12), the pitch worm gear (12) is connected with a pitch stepping motor (13), and the pitch stepping motor (13) rotates to realize the rotation motion of the pitch;

the microwave communication assembly (1) is arranged in the middle of the pitching shaft (11); the pitching axis system and the azimuth axis system drive the microwave communication component (1) to complete pitching and azimuth two-axis movement so as to realize automatic alignment.

2. The auto-alignment communication system of claim 1, wherein: control system sets up the inner space in frame (10), and control system adopts STM32F103RCT6 as control core, including big dipper orientation module (4), true north orientation module (6), network communication module, drive module, memory module, diaxon inclination module, power module.