CN112785827A - Antenna angle control system and method based on network communication technology - Google Patents
Antenna angle control system and method based on network communication technology Download PDFInfo
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- CN112785827A CN112785827A CN201911075860.0A CN201911075860A CN112785827A CN 112785827 A CN112785827 A CN 112785827A CN 201911075860 A CN201911075860 A CN 201911075860A CN 112785827 A CN112785827 A CN 112785827A
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/08—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying two co-ordinates of the orientation
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Abstract
The invention relates to remote control of antenna angle, in particular to an antenna angle control system and method based on network communication technology, comprising the following steps: the control box, and an electronic gyroscope and an electric push rod which are connected with the control box; a circuit board is arranged in the control box, and the circuit board is provided with an MCU, a communication module and an electric push rod driving module which are connected with the MCU; the communication module is also connected with an antenna or a network interface and is used for realizing wireless communication; the MCU is used for receiving a feedback signal of the electronic gyroscope, sending a control instruction to the electric push rod driving module to further control the electric push rod, and sending the feedback signal and the control instruction to the communication module; the antenna angle adjusting device replaces manual climbing adjustment, manual adjustment is reduced, the adjusting process is safer, the antenna angle adjusting is more accurate than manual control adjustment, the antenna inclination angle data is clear and visible, and the angle error is reduced.
Description
Technical Field
The invention relates to remote control of antenna angle, in particular to an antenna angle control system and method based on network communication technology.
Background
The direction angle adjustment of the current communication antenna is manually completed. General communication antennas are installed at high positions such as telegraph poles, street lamps and roofs, and manual climbing to a signal tower to detach and adjust the position is needed for adjusting the angle of the antenna. The operation is complex, time and labor are wasted, labor cost is increased, and if the antenna is damaged due to improper operation, a large amount of economic loss can be caused, and even the life of a worker is threatened.
Disclosure of Invention
The present invention is directed to solving the above-mentioned problems of the conventional adjusting communication antenna, and an object of the present invention is to provide a method for remotely controlling an antenna angle through a mobile device such as a notebook computer, a tablet computer, or a mobile phone. The invention provides an antenna angle control system and method based on a network communication technology, which can remotely control the antenna angle, avoid economic loss caused by resource waste of manpower and material resources and ensure personal safety.
In order to solve the technical problems, the invention adopts the technical scheme that:
an antenna angle control system based on network communication technology comprises: the control box, and an electronic gyroscope and an electric push rod which are connected with the control box; a circuit board is arranged in the control box, and the circuit board is provided with an MCU, a communication module and an electric push rod driving module which are connected with the MCU;
the communication module is also connected with an antenna or a network interface and is used for realizing wireless communication;
the MCU is used for receiving a feedback signal of the electronic gyroscope, sending a control instruction to the electric push rod driving module to further control the electric push rod, and sending the feedback signal and the control instruction to the communication module;
the electric push rod comprises a pitching electric push rod and a horizontal electric push rod.
The electronic gyroscope and the electric push rod are arranged on the support structure.
The support structure includes: the antenna comprises an antenna plate, a connecting rod support arm A, a clamping plate and a base plate, wherein the clamping plate is arranged on the mounting holding rod, and the base plate is hinged with the clamping plate;
the other end of the connecting rod supporting arm B is hinged with the upper end of the substrate, and the lower end of the substrate is hinged with the lower end of the antenna plate;
one end of the pitching electric push rod is hinged on the base plate, and the other end of the pitching electric push rod is connected with the hinged part of the connecting rod supporting arm A and the connecting rod supporting arm B; one end of the horizontal electric push rod is connected to the clamping plate, and the other end of the horizontal electric push rod is connected with the base plate;
an electronic gyroscope is mounted on the antenna board, and the electronic gyroscope, the pitching electric push rod and the horizontal electric push rod are respectively connected with a control box mounted on the clamping plate.
The splint on the bracket structure is provided with a rotating shaft seat, and the base plate is hinged with the rotating shaft seat.
The antenna plate mounting bracket is installed respectively at the upper and lower both ends of the antenna plate on the supporting structure, the other end of connecting rod support arm A is articulated with the antenna plate mounting bracket of antenna plate upper end installation, the lower extreme of base plate is articulated with the antenna plate mounting bracket of antenna plate lower extreme installation.
And each hinged part of the support mechanism is hinged through a pin shaft, and a pin shaft sheath is arranged on the pin shaft.
The electronic gyroscope is internally provided with angle sensors which are respectively used for measuring the horizontal rotation angle of the horizontal electric push rod and the pitching angle of the pitching electric push rod, and the two angle sensors are packaged in the electronic gyroscope.
An antenna angle control method based on network communication technology comprises the following steps:
the communication module sends the received instruction to the MCU, and the MCU determines whether the pitching electric push rod and the horizontal electric push rod act and the angle value of the action according to the instruction; in the action process of the pitching electric push rod and the horizontal electric push rod, the MCU reads the angle data of the electronic gyroscope in real time to confirm the positions of the pitching electric push rod and the horizontal electric push rod, and sends the execution finished result to the communication module through the serial port.
The comparison and correction specifically comprises the following steps:
the corresponding angle stroke r of each circle of the built-in gear of the Hall sensor, when the Hall sensor reaches one circle, the electronic gyroscope is set with a relative zero point, and the zero point is the zero point angle of the electronic gyroscope;
when the built-in gear of the Hall sensor reaches the interval from the n-th circle to the n + 1-th circle, the angle exceeding the n-th circle is the gyroscope change angle delta t, and the actual output angle detected by the electronic gyroscope is corrected to be n x r + delta t.
The MCU controls the telescopic lengths of the pitching electric push rod and the horizontal electric push rod according to the angle value of the action, and the length is as follows:
obtaining an antenna pitching change angle or an antenna horizontal rotation change angle according to the difference between the angle value of the action in the command and the actual angle, and further solving the telescopic length of the pitching electric push rod or the horizontal electric push rod;
the relationship between the telescopic length delta y of the pitching electric push rod or the horizontal electric push rod and the pitching change angle or the antenna horizontal rotation change angle delta x is as follows:
wherein a is the distance between the fixed end of the pitching electric push rod or the horizontal electric push rod and the fixed end of the antenna rotating shaft; d is the distance between the top end of the pitching electric push rod or the horizontal electric push rod and the fixed end of the antenna rotating shaft; delta alpha is an included angle between the antenna and the tail end of the pitching electric push rod or the horizontal electric push rod when the pitching electric push rod or the horizontal electric push rod is in the minimum length; e is the minimum length of the pitching electric push rod or the horizontal electric push rod; delta y is the telescopic length of the pitching electric push rod or the horizontal electric push rod; Δ x is the angle of change of the antenna horizontal rotation or pitch.
The invention has the advantages and positive effects that:
1. the invention adopts remote control adjustment to replace manual climbing adjustment, reduces manual adjustment and is safer in the adjustment process.
2. The invention adopts the electric push rod as the drive, can realize the adjustment in the horizontal and pitching directions, has large adjustment range and large self-locking force, and has stable system structure after adjustment.
3. The invention adopts a remote control adjustment mode, the adjustment position can be trimmed according to the feedback data information of the electronic gyroscope, the adjustment of the antenna angle is more accurate than manual adjustment, and the inclination angle data of the antenna is clear and visible.
4. The invention adds the Hall angle correction function, reduces the angle error and ensures more accurate control.
Drawings
FIG. 1 is a block diagram of a circuit structure of a circuit board in a control box according to the present invention;
FIG. 2 is a schematic structural diagram of a support frame mechanism according to the present invention;
wherein: the device comprises a mounting holding rod 1, a rotating shaft seat 2, a pin shaft sheath 3, a pin shaft 4, an antenna plate 5, a connecting rod support arm A6, an electronic gyroscope 7, a clamping plate 8, a pitching electric push rod 9, a base plate 10, an antenna plate mounting support 11, a horizontal electric push rod 12, a control box 13 and a connecting rod support arm B14, wherein the mounting holding rod is arranged on the rotating shaft seat, the pin shaft sheath 3 is arranged on the connecting rod support arm A, the base plate 8 is arranged on the connecting rod;
FIG. 3 is a diagram showing the relationship between the extension length and the angle of the electric putter according to the present invention.
Detailed Description
The technical solution of the present invention will be clearly and completely described below with reference to the accompanying drawings of the specification of the present invention, and it should be noted that the embodiments described herein are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be readily apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
As shown in fig. 1, the antenna angle control system based on the network communication technology of the present invention includes: the control box 13, and the electronic gyroscope 7 and the electric push rod which are connected with the control box; a circuit board is arranged in the control box 13, and the circuit board is provided with a MCU, a communication module and an electric push rod driving module which are connected with the MCU;
the communication module is also connected with an antenna or a network interface and is used for realizing wireless communication;
the MCU is used for receiving a feedback signal of the electronic gyroscope 7, sending a control instruction to the electric push rod driving module to further control the electric push rod, and sending the feedback signal and the control instruction to the communication module;
and the electronic gyroscope 7 and the electric push rod are arranged on the support structure.
As shown in fig. 2, the stent structure of the present invention comprises:
the antenna comprises an antenna plate 5, a connecting rod support arm A6, a clamping plate 8 and a base plate 10, wherein the clamping plate 8 is installed on the installation holding pole 1, and the base plate 10 is hinged with the clamping plate 8; the electric push rod comprises a pitching electric push rod 9 and a horizontal electric push rod 12.
The connecting rod supporting arm A6 is hinged with one end of the connecting rod supporting arm B14, the other end of the connecting rod supporting arm A6 is hinged with the upper end of the antenna plate 5, the other end of the connecting rod supporting arm B14 is hinged with the upper end of the substrate 10, and the lower end of the substrate 10 is hinged with the lower end of the antenna plate 5;
one end of the pitching electric push rod 9 is hinged on the base plate 10, and the other end is connected with the hinged part of the connecting rod supporting arm A3 and the connecting rod supporting arm B14; one end of the horizontal electric push rod 12 is connected to the clamping plate 8, and the other end of the horizontal electric push rod is connected with the base plate 10;
an electronic gyroscope 7 is mounted on the antenna plate 5, and the electronic gyroscope 7, the pitching electric push rod 9 and the horizontal electric push rod 12 are respectively connected with a control box 13 mounted on the clamping plate 8.
The rotating shaft seat 2 is arranged on the clamping plate 8, and the base plate 10 is hinged with the rotating shaft seat 2.
Antenna panel installing supports 11 are respectively installed at the upper end and the lower end of the antenna panel 5, the other end of the connecting rod supporting arm A6 is hinged to the antenna panel installing support 11 installed at the upper end of the antenna panel 5, and the lower end of the substrate 10 is hinged to the antenna panel installing support 11 installed at the lower end of the antenna panel 5.
Each hinged part of the support mechanism is hinged through a pin shaft 4, and a pin shaft sheath 3 is installed on the pin shaft 4.
The electronic gyroscope 7 is internally provided with a horizontal rotation angle for measuring a horizontal electric push rod 12 or a pitching angle for measuring a pitching electric push rod 9, and the two angle sensors are packaged in the electronic gyroscope;
the client interface adopted in the embodiment is a test interface under a Windows platform, and the client interface performs data transmission with a public server through virtual serial port software carried by a communication module. The public server establishes connection with the communication module through a mobile operator network.
After the connection is established, an antenna angle is set, and an execution starting instruction is sent, specifically:
the MCU is connected with the communication module and the electronic gyroscope 7 through a serial port and is connected with the electric push rod driving module through an optical coupler. The communication module sends the received instruction to the MCU through the serial port, and the MCU determines whether the pitching electric push rod 9 and the horizontal electric push rod 12 act and the angle value of the action according to the type of the instruction. In the action process of the pitching electric push rod 9 and the horizontal electric push rod 12, the MCU reads the angle data of the electronic gyroscope in real time to confirm the position of the horizontal electric push rod, compares and corrects the result with the data transmitted by the Hall sensor arranged in the electric push rod to obtain more accurate angle data, and transmits the executed data to the communication module through the serial port.
The electric push rod driving module is connected with the MCU, receives a control signal from the MCU, and outputs DC24V/2A Max for driving the telescopic action of the pitching electric push rod 9 and the horizontal electric push rod 12.
The power conversion module converts the external-DC 48V voltage to a DC24V voltage usable by the execution units.
The electronic gyroscope 7 is connected with the MCU through a serial port, and the electronic gyroscope 7 mainly completes measurement of the angle value of the mechanism rotation and sends the measurement result to the MCU in real time.
After the antenna receives the execution instruction, firstly adjusting the angle of the antenna to be a zero position for zero calibration, and then starting an electric push rod to rotate the antenna; the electronic gyroscope is used as a communication antenna attitude transmitter deaf sensor, and the inclination angle attitude information data of the antenna is fed back in real time, so that a remote operator can know the real-time attitude of the communication antenna conveniently.
During the action process of the electric push rod, the MCU reads angle data in the electronic gyroscope in real time to obtain the position of the horizontal electric push rod 12, and compares and corrects the angle data with data transmitted by the pitching electric push rod 9 or a Hall sensor arranged in the horizontal electric push rod 12;
the specific correction process is as follows:
firstly, the resolution of the result output by the electronic gyroscope is high, two digits after a decimal point can be obtained, and the disadvantage is that the output data is easy to drift, especially under the condition of small acceleration. The built-in Hall sensor in the electric push rod converts the angle into the number of turns of gear rotation through the mechanical principle, and the horizontal angle stroke corresponding to each turn is about 0.6 degrees. Therefore, when the Hall sensor reaches one circle, the gyroscope is set to be a relative zero point;
when the built-in gear of the Hall sensor reaches the interval from the nth circle to the (n + 1) th circle, the angle exceeding the n circles is the change angle delta t of the gyroscope, and the actual angle is the angle of the relative zero point (which is a multiple of 0.6 degrees) + the change angle of the gyroscope; correcting the actual output angle detected by the electronic gyroscope to be n x r + delta t;
this actual angle is the "data completed execution".
The MCU controls the extension lengths of the pitching electric push rod 9 and the horizontal electric push rod 12 according to the angle value of the movement, which is as follows:
obtaining an antenna pitching change angle or an antenna horizontal rotation change angle according to the difference between the angle value of the action in the command and the actual angle, and further solving the telescopic length of the pitching electric push rod 9 or the horizontal electric push rod 12;
a Hall sensor is arranged in the electric push rod, and the telescopic length of the electric push rod is confirmed by detecting the number of turns of rotation of a gear in the Hall sensor (the length is increased/decreased by 1mm when each turn of rotation is performed); obtaining the relation between the telescopic length delta y of the electric push rod and the horizontal rotation or pitching change angle delta x of the antenna according to the structure:
wherein, a is the distance between the fixed end of the pitching electric push rod 9 or the horizontal electric push rod 12 and the fixed end of the antenna rotating shaft; d is the distance between the top end of the pitching electric push rod 9 or the horizontal electric push rod 12 and the fixed end of the antenna rotating shaft; delta alpha is an included angle between the antenna and the tail end of the pitching electric push rod 9 or the horizontal electric push rod 12 when the pitching electric push rod 9 or the horizontal electric push rod 12 is in the minimum length; e is the minimum length of the pitching electric push rod 9 or the horizontal electric push rod 12; delta y is the telescopic length of the pitching electric push rod 9 or the horizontal electric push rod 12; and deltax is the change angle of horizontal rotation or pitching of the antenna, and the range of deltax is 0-60 degrees.
The relationship between the extension or retraction length Δ y of the electric putter and the variation angle Δ x is plotted using matlab as shown in fig. 3. And the data transmitted by the angle sensor in the electronic gyroscope is compared with the Hall sensor for correction, so that a more accurate angle value is obtained.
And finally, feeding back the executed data to the communication module.
The electronic gyroscope is a commercially available product and is purchased from Shenzhen Weite Intelligent science and technology Limited company with the model number HWT 1014.
The working principle of the invention is as follows:
pitching motion: the pitching electric push rod 9 pushes the hinged joint of the link arm a6 and the link arm B14 to change the included angle between the link arm a6 and the link arm B14, so as to drive the antenna board 5 to move in the pitching direction.
Horizontal movement: the horizontal electric push rod 12 pushes the base plate 10, so that the base plate 10 drives the antenna plate 5 to rotate around the pin shaft 4 hinged with the rotating shaft seat 2 in the horizontal direction.
And an electronic gyroscope 7 arranged on the back surface of the antenna plate 5 is used as a communication antenna attitude feedback sensor to feed back inclination angle attitude information data of the antenna in real time, so that a remote operator can know the real-time attitude of the communication antenna conveniently.
Claims (10)
1. An antenna angle control system based on network communication technology, comprising: a control box (13), an electronic gyroscope (7) connected with the control box and an electric push rod; a circuit board is arranged in the control box (13), and the circuit board is provided with a MCU, a communication module and an electric push rod driving module which are connected with the MCU;
the communication module is also connected with an antenna or a network interface and is used for realizing wireless communication;
the MCU is used for receiving a feedback signal of the electronic gyroscope (7), sending a control instruction to the electric push rod driving module to further control the electric push rod, and sending the feedback signal and the control instruction to the communication module;
the electric push rod comprises a pitching electric push rod (9) and a horizontal electric push rod (12).
2. The antenna angle control system based on the network communication technology as claimed in claim 1, wherein the electronic gyroscope (7) and the electric push rod are both arranged on the support structure.
3. The system of claim 2, wherein the support structure comprises: the antenna comprises an antenna plate (5), a connecting rod support arm A (6), a clamping plate (8) and a base plate (10), wherein the clamping plate (8) is installed on the installation holding pole (1), and the base plate (10) is hinged to the clamping plate (8);
the other end of the connecting rod supporting arm A (6) is hinged to the upper end of the antenna plate (5), the other end of the connecting rod supporting arm B (14) is hinged to the upper end of the substrate (10), and the lower end of the substrate (10) is hinged to the lower end of the antenna plate (5);
one end of the pitching electric push rod (9) is hinged on the base plate (10), and the other end of the pitching electric push rod is connected with the hinged part of the connecting rod support arm A (6) and the connecting rod support arm B (14); one end of the horizontal electric push rod (12) is connected to the clamping plate (8), and the other end of the horizontal electric push rod is connected with the base plate (10);
an electronic gyroscope (7) is mounted on the antenna plate (5), and the electronic gyroscope (7), the pitching electric push rod (9) and the horizontal electric push rod (12) are respectively connected with a control box (13) mounted on the clamping plate (8).
4. The antenna angle control system based on network communication technology of claim 3, characterized in that the rotating shaft seat (2) is installed on the clamping plate (8) on the bracket structure, and the base plate (10) is hinged with the rotating shaft seat (2).
5. The antenna angle control system based on the network communication technology as claimed in claim 3, wherein the upper and lower ends of the antenna plate (5) on the support structure are respectively provided with an antenna plate mounting bracket (11), the other end of the connecting rod support arm A (6) is hinged with the antenna plate mounting bracket (11) arranged at the upper end of the antenna plate (5), and the lower end of the substrate (10) is hinged with the antenna plate mounting bracket (11) arranged at the lower end of the antenna plate (5).
6. The antenna angle control system according to claim 3, wherein: each hinged part of the support mechanism is hinged through a pin shaft (4), and a pin shaft sheath (3) is installed on the pin shaft (4).
7. The antenna angle control system based on the network communication technology as claimed in claim 1 or 2, wherein the electronic gyroscope (7) is internally provided with angle sensors for measuring a horizontal rotation angle of the horizontal electric push rod (12) and a pitching angle of the pitching electric push rod (9), and the two angle sensors are packaged in the electronic gyroscope (7).
8. An antenna angle control method based on network communication technology is characterized by comprising the following steps: the communication module sends the received instruction to the MCU, and the MCU determines whether the pitching electric push rod (9) and the horizontal electric push rod (12) act and the angle value of the action according to the instruction; in the action process of the pitching electric push rod (9) and the horizontal electric push rod (12), the MCU reads the angle data of the electronic gyroscope (7) in real time to confirm the positions of the pitching electric push rod (9) and the horizontal electric push rod (12), and sends the execution completion result to the communication module through the serial port.
9. The method of claim 8, wherein the comparing and correcting specifically comprises:
the corresponding angle stroke r of each circle of the built-in gear of the Hall sensor, when the Hall sensor reaches one circle, the electronic gyroscope is set with a relative zero point, and the zero point is the zero point angle of the electronic gyroscope;
when the built-in gear of the Hall sensor reaches the interval from the n-th circle to the n + 1-th circle, the angle exceeding the n-th circle is the gyroscope change angle delta t, and the actual output angle detected by the electronic gyroscope is corrected to be n x r + delta t.
10. The antenna angle control method based on the network communication technology as claimed in claim 8, wherein the MCU controls the length of the pitching electric putter (9) and the horizontal electric putter (12) according to the angle value of the movement, specifically as follows:
obtaining an antenna pitching change angle or an antenna horizontal rotation change angle according to the difference between the angle value of the action in the command and the actual angle, and further solving the telescopic length of the pitching electric push rod (9) or the horizontal electric push rod (12);
wherein, the relation between the telescopic length delta y of the pitching electric push rod (9) or the horizontal electric push rod (12) and the pitching change angle or the antenna horizontal rotation change angle delta x is as follows:
wherein a is the distance between the fixed end of the pitching electric push rod (9) or the horizontal electric push rod (12) and the fixed end of the antenna rotating shaft; d is the distance between the top end of the pitching electric push rod (9) or the horizontal electric push rod (12) and the fixed end of the antenna rotating shaft; delta alpha is an included angle between the antenna and the tail end of the pitching electric push rod (9) or the horizontal electric push rod (12) when the pitching electric push rod (9) or the horizontal electric push rod (12) is in the minimum length; e is the minimum length of the pitching electric push rod (9) or the horizontal electric push rod (12); delta y is the telescopic length of the pitching electric push rod (9) or the horizontal electric push rod (12); Δ x is the angle of change of the antenna horizontal rotation or pitch.
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| CN201911075860.0A CN112785827B (en) | 2019-11-06 | 2019-11-06 | Antenna angle control system and method based on network communication technology |
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