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CN114156657A - Antenna remote adjustment system and adjustment method thereof - Google Patents

Antenna remote adjustment system and adjustment method thereof Download PDF

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Publication number
CN114156657A
CN114156657A CN202111490877.XA CN202111490877A CN114156657A CN 114156657 A CN114156657 A CN 114156657A CN 202111490877 A CN202111490877 A CN 202111490877A CN 114156657 A CN114156657 A CN 114156657A
Authority
CN
China
Prior art keywords
phase shifter
ruler
control unit
antenna
electronic
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202111490877.XA
Other languages
Chinese (zh)
Inventor
丁明玲
余勇昌
王志中
徐博文
罗东文
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China Telecom Corp Ltd
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China Telecom Corp Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Telecom Corp Ltd filed Critical China Telecom Corp Ltd
Priority to CN202111490877.XA priority Critical patent/CN114156657A/en
Publication of CN114156657A publication Critical patent/CN114156657A/en
Withdrawn legal-status Critical Current

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/02Arrangements 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
    • H01Q3/08Arrangements 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q3/00Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
    • H01Q3/26Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
    • H01Q3/30Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array
    • H01Q3/34Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means
    • H01Q3/36Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture varying the relative phase between the radiating elements of an array by electrical means with variable phase-shifters

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  • Variable-Direction Aerials And Aerial Arrays (AREA)

Abstract

The invention provides an antenna remote adjusting system and an adjusting method thereof, wherein an antenna electronic downtilt adjusting component comprises: a phase shifter driving ruler; a sliding block connected with the phase shifter transmission ruler; the control unit is provided with a motor and a control circuit; the screw is arranged in parallel with the axis direction of the phase shifter transmission ruler, the sliding block is in threaded connection with the screw, and the motor drives the screw to drive the phase shifter transmission ruler to move along the axis direction of the screw along with the rotation of the screw; and the sliding resistor is used for detecting the resistance value of the phase shifter transmission ruler when the phase shifter transmission ruler is at the current position based on the movement stroke setting of the phase shifter transmission ruler, and sending the resistance value to the control circuit, and the control circuit obtains the current electronic downward inclination angle at least according to the resistance value. The invention can replace more motors without calibration, and utilizes the sliding resistance inside the antenna to match with the resistance to realize closed-loop control, thereby reducing the internal structure of the remote control unit, simplifying the structure of the remote control unit of the prior electrically-adjustable antenna and reducing the whole volume.

Description

Antenna remote adjusting system and adjusting method thereof
Technical Field
The invention relates to the field of communication equipment, in particular to an antenna remote adjusting system and an adjusting method thereof.
Background
By adjusting the downward inclination angle of the antenna, the network coverage can be effectively enhanced and optimized. Although coverage can be improved to a certain extent by mechanically adjusting the downward inclination angle, the method has the defects that a mechanical adjusting mode consumes too much manpower and material resources, cannot be adjusted and optimized in real time, and has a limited downward inclination angle adjusting range. Compared with a mechanical downtilt antenna, the electrically-adjusted downtilt antenna can effectively enhance the radial nearby coverage of a cell and reduce the interference to the adjacent cells of the same station, thereby solving the problems of dropped call, capacity reduction, call quality reduction and the like caused by over-coverage, overlarge or undersize soft handover area, pilot frequency pollution and the like. A Remote Control Unit (RCU) of an electrical tilt antenna has functions of receiving a control command of a base station, accurately adjusting a tilt angle of the antenna, and reporting a working state of the antenna to the base station in time, and is a control core in an electrical tilt angle system.
After a Remote Control Unit (RCU) is replaced, the conventional electrically-adjustable antenna needs to be adjusted only by recalibration when the electronic downward inclination angle of the antenna needs to be adjusted. The calibration time is longer; the power source is a stepping motor, other types of motors cannot be replaced, the rotating speed of the stepping motor is low, and the electronic downward inclination angle adjusting speed is slow; the rear end of a motor shaft of the stepping motor is provided with the Hall sensor and the permanent magnet to read the angle when the stepping motor rotates, the size of a Remote Control Unit (RCU) is occupied, and the Remote Control Unit (RCU) is integrally replaced when replaced.
Therefore, the invention provides an antenna remote adjusting system and an adjusting method thereof.
Disclosure of Invention
The invention aims to provide an antenna remote adjusting system and an adjusting method thereof, which overcome the defects of the prior art, can replace more motors without calibration, realize closed-loop control by matching a sliding resistor in an antenna with a resistor, reduce the internal structure of a remote control unit, simplify the structure of the remote control unit of the conventional electrically-adjustable antenna and reduce the whole volume.
An embodiment of the present invention provides an antenna electronic downtilt adjustment assembly, including:
a phase shifter driving ruler;
the sliding block is connected with the phase shifter transmission ruler;
the control unit is provided with a motor and a control circuit;
the screw rod is arranged in parallel with the axial direction of the phase shifter transmission ruler, the sliding block is in threaded connection with the screw rod, the motor drives the screw rod, and the sliding block drives the phase shifter transmission ruler to move along the axial direction of the screw rod along with the rotation of the screw rod; and
and the sliding resistor is used for detecting the resistance value of the phase shifter transmission ruler when the phase shifter transmission ruler is at the current position based on the movement stroke setting of the phase shifter transmission ruler, and sending the resistance value to the control circuit, and the control circuit obtains the current electronic downward inclination angle at least according to the resistance value.
Preferably, the sliding resistor includes a resistive sliding sheet, and the resistive sliding sheet is disposed at one side of the phase shifter transmission ruler and is in contact with the phase shifter transmission ruler.
Preferably, the sliding resistor further includes an electronic pin electrically connected to the control unit, and the resistance value of the phase shifter driving ruler at the current position is sent to the control circuit in real time.
Preferably, the surface of the phase shifter transmission ruler is provided with angle scales along the length direction of the phase shifter transmission ruler.
Preferably, the phase shifter is characterized by further comprising a control unit base, the control unit base and the phase shifter transmission ruler are integrally formed, a motor output shaft through hole is formed in one side, facing the screw, of the control unit base, and an output shaft of the motor penetrates through the motor output shaft through hole to be in transmission connection with the screw.
Preferably, the control unit base is provided with at least one resistor interface, a first side of the resistor interface is electrically connected with the electronic pin, the control unit is provided with at least one resistor contact, the resistor contact is electrically connected with a second side of the resistor interface along with the control unit inserted into the control unit base, and the resistor interface and the motor output shaft through hole are located on the same side of the control unit base.
Preferably, the motor is a speed reduction motor or a stepping motor.
Preferably, the sliding block and the phase shifter transmission ruler are integrally formed.
Preferably, the control circuit prestores a mapping relationship between the resistance value and the current electronic downtilt angle, and outputs the corresponding current electronic downtilt angle according to the resistance value when the phase shifter transmission ruler is at the current position.
An embodiment of the present invention further provides an adjusting method of an antenna remote adjusting system, which is characterized in that the antenna electronic downtilt adjusting assembly according to claim 1 is adopted, and the method includes the following steps:
receiving a target angle of an electronic downtilt of an antenna;
detecting the resistance value of the phase shifter transmission ruler at the current position;
obtaining a current electronic downward inclination angle according to the resistance value;
if the current electronic downward inclination angle is smaller than the target angle, the phase shifter transmission ruler is driven by the motor to move towards the direction of increasing the electronic downward inclination angle;
if the current electronic downward inclination angle is equal to the target angle, stopping the motor;
and if the current electronic downward inclination angle is larger than the target angle, the motor drives the phase shifter transmission ruler to move towards the direction of reducing the electronic downward inclination angle.
The antenna remote adjusting system and the adjusting method thereof can replace more motors without calibration, realize closed-loop control by matching the sliding resistor in the antenna with the resistor, reduce the internal structure of the remote control unit, simplify the structure of the existing remote control unit of the electrically-adjusted antenna and reduce the whole volume.
Drawings
Other features, objects and advantages of the present invention will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
Fig. 1 is a perspective view of an antenna electronic downtilt adjustment assembly according to the present invention.
Fig. 2 is a flowchart of an adjusting method of an electronic downtilt adjusting antenna assembly according to the present invention.
Fig. 3 is a schematic diagram of a real-time process of the adjustment method of the electronic downtilt adjustment assembly of the antenna of the present invention.
Reference numerals
1 sliding resistance
2 sliding resistance sliding sheet
3 electronic pin
4 move looks ware transmission chi
5 screw rod
6 sliding block
7 resistance interface
8 control unit base
9 resistance contact
10 degree scale
11 electric machine
12 control circuit
13 control unit
Detailed Description
The following description of the embodiments of the present application is provided by way of specific examples, and other advantages and effects of the present application will be readily apparent to those skilled in the art from the disclosure herein. The present application is capable of other and different embodiments and of being practiced or of being carried out in various ways, and its several details are capable of modification in various respects, all without departing from the spirit and scope of the present application. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
Embodiments of the present application will be described in detail below with reference to the accompanying drawings so that those skilled in the art to which the present application pertains can easily carry out the present application. The present application may be embodied in many different forms and is not limited to the embodiments described herein.
Reference throughout this specification to "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," or the like, means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics shown may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of different embodiments or examples presented in this application can be combined and combined by those skilled in the art without contradiction.
Furthermore, the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the expressions of the present application, "plurality" means two or more unless specifically defined otherwise.
In order to clearly explain the present application, components that are not related to the description are omitted, and the same reference numerals are given to the same or similar components throughout the specification.
Throughout the specification, when a device is referred to as being "connected" to another device, this includes not only the case of being "directly connected" but also the case of being "indirectly connected" with another element interposed therebetween. In addition, when a device "includes" a certain component, unless otherwise stated, the device does not exclude other components, but may include other components.
When a device is said to be "on" another device, this may be directly on the other device, but may also be accompanied by other devices in between. When a device is said to be "directly on" another device, there are no other devices in between.
Although the terms first, second, etc. may be used herein to describe various elements in some instances, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, the first interface and the second interface are represented. Also, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes" and/or "including," when used in this specification, specify the presence of stated features, steps, operations, elements, components, items, species, and/or groups, but do not preclude the presence, or addition of one or more other features, steps, operations, elements, components, items, species, and/or groups thereof. The terms "or" and/or "as used herein are to be construed as inclusive or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a; b; c; a and B; a and C; b and C; A. b and C ". An exception to this definition will occur only when a combination of elements, functions, steps or operations are inherently mutually exclusive in some way.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" include plural forms as long as the words do not expressly indicate a contrary meaning. The term "comprises/comprising" when used in this specification is taken to specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but does not exclude the presence or addition of other features, regions, integers, steps, operations, elements, and/or components.
Although not defined differently, including technical and scientific terms used herein, all terms have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. Terms defined in commonly used dictionaries are to be additionally interpreted as having meanings consistent with those of related art documents and the contents of the present prompts, and must not be excessively interpreted as having ideal or very formulaic meanings unless defined.
Fig. 1 is a perspective view of an antenna electronic downtilt adjustment assembly according to the present invention. As shown in fig. 1, the electronic downtilt adjustment assembly of an antenna of the present invention includes: a phase shifter driving ruler 4, a sliding block 6, a control unit 13, a screw 5 and a sliding resistor 1. Wherein, the sliding block 6 is connected with the phase shifter transmission ruler 4. The control unit 13 is provided with a motor 11 and a control circuit 12. The screw 5 and the axis direction of the phase shifter transmission ruler 4 are arranged in parallel, the sliding block 6 is in threaded connection with the screw 5, the motor 11 drives the screw 5, and the sliding block 6 drives the phase shifter transmission ruler 4 to move along the axis direction of the screw 5 along with the rotation of the screw 5. The sliding resistor 1 is set based on the movement stroke of the phase shifter transmission ruler 4, the resistance value of the phase shifter transmission ruler 4 at the current position is detected and sent to the control circuit 12, and the control circuit 12 obtains the current electronic downward inclination angle at least according to the resistance value.
The method that this patent provided can select ordinary gear motor or step motor as the power supply, and ordinary gear motor drive mode is simpler, need not the calibration after changing Remote Control Unit (RCU) also can direct quick adjustment antenna electron angle of declination, utilizes the inside sliding resistance cooperation resistance of antenna to realize closed-loop control, reduces Remote Control Unit (RCU) inner structure, simplifies the structure and the volume of current Remote Control Unit (RCU) of electricity accent antenna.
In a preferred embodiment, the sliding resistor 1 comprises a resistive slide 2, the resistive slide 2 being disposed on one side of the phase shifter transmission ruler 4 and being in contact with the phase shifter transmission ruler 4.
In a preferred embodiment, the sliding resistor 1 further comprises an electronic pin 3 electrically connected to the control unit 13, which sends the resistance value of the resistor when the phase shifter transmission ruler 4 is at the current position to the control circuit 12 in real time.
In a preferred embodiment, the surface of the phase shifter drive ruler 4 is provided with an angle scale 10 along the length of the phase shifter drive ruler 4.
In a preferred embodiment, the device further comprises a control unit base 8, the control unit base 8 is integrally formed with the phase shifter transmission ruler 4, a motor output shaft through hole is formed in one side, facing the screw 5, of the control unit base 8, and an output shaft of the motor 11 penetrates through the motor output shaft through hole to be in transmission connection with the screw 5.
In a preferred embodiment, the control unit base 8 is provided with at least one resistor interface 7, a first side of the resistor interface 7 is electrically connected with the electronic pin 3, the control unit 13 is provided with at least one resistor contact 9, the resistor contact 9 is electrically connected with a second side of the resistor interface 7 along with the insertion of the control unit 13 into the control unit base 8, and the resistor interface 7 and the motor output shaft through hole are positioned on the same side of the control unit base 8, so that when the control unit 13 is inserted into the control unit base 8, the output shaft of the motor 11 of the control unit 13 can pass through the motor output shaft through hole, and meanwhile, the resistor contact 9 of the control unit 13 is in contact with and electrically connected with the resistor interface 7.
In a preferred embodiment, the motor 11 is a reduction motor or a stepper motor.
In a preferred embodiment, the sliding block 6 is integrally formed with the phase shifter drive rule 4.
In a preferred embodiment, the control circuit 12 prestores a mapping relationship between the resistance value of the resistor and the current electronic downtilt angle, and outputs the corresponding current electronic downtilt angle according to the resistance value of the resistor when the phase shifter driving ruler 4 is at the current position.
The control unit base 8 and the electric tuning antenna are integrated, the bottom of the control unit base is provided with a resistor interface 7 which is connected with an electronic pin 3 of the sliding resistor 1 through a flexible data line (not shown in the figure), and the bottom of the control unit base is reserved with a through hole of a motor output shaft.
The control unit 13 is internally provided with a motor 11 and a control circuit 12, the bottom of the control unit is provided with a resistance contact 9 connected with a resistance interface 7 of a control unit base 8, when the control unit 13 is inserted into the base, an output shaft of the motor 11 penetrates through a motor output shaft through hole at the bottom of the control unit 13 to be connected with the screw rod 5, and when the motor 11 rotates, the screw rod 5 drives the sliding block 6 to move.
The sliding sheet of the sliding resistor 1 is connected with the phase shifter transmission ruler 4, when the phase shifter transmission ruler 4 displaces, the resistance value of the sliding resistor 1 changes, the resistance value is converted into an angle through the control circuit 12 and is returned to the controller, and therefore the current electronic downward inclination angle of the antenna is obtained.
Compared with the prior art, the method has the following advantages that: after a Remote Control Unit (RCU) of the electrically tunable antenna is replaced, the angle of the antenna can be directly and accurately read without calibration; reducing antenna Remote Control Unit (RCU) volume; an ordinary speed reducing motor or a stepping motor can be selected as a power source.
The invention also provides an adjusting method of the antenna remote adjusting system, which adopts the antenna electronic downward inclination angle adjusting component and comprises the following steps:
and S110, receiving a target angle of an electronic downward inclination angle of the antenna.
And S120, detecting the resistance value of the phase shifter transmission ruler at the current position.
And S130, obtaining the current electronic downward inclination angle according to the resistance value of the resistor.
S140, judging whether the current electronic downward inclination angle is smaller than a target angle, if so, executing a step S160, and if not, executing a step S150;
s150, judging whether the current electronic downward inclination angle is equal to a target angle, if so, executing a step S170, otherwise, executing a step S180;
s160, the phase shifter transmission ruler is driven by the motor to move towards the direction of increasing the electronic downward inclination angle, and the step S120 is returned;
s170, stopping the motor, and returning to the step S120;
and S180, driving the phase shifter transmission ruler to move towards the direction of reducing the electronic downward inclination angle through the motor, and returning to the step S120.
The adjusting method can replace more motors without calibration, and utilizes the sliding resistance in the antenna to match with the resistance to realize closed-loop control, thereby reducing the internal structure of the remote control unit, simplifying the structure of the remote control unit of the prior electrically-adjustable antenna and reducing the whole volume.
The specific embodiment of the invention is as follows:
fig. 3 is a schematic diagram of a real-time process of the adjustment method of the electronic downtilt adjustment assembly of the antenna of the present invention. With continued reference to fig. 3, the antenna electronic downtilt adjustment assembly of the present invention comprises: a phase shifter driving ruler 4, a sliding block 6, a control unit 13, a screw 5, a control unit base 8 and a sliding resistor 1. Wherein, the sliding block 6, the control unit base 8 and the phase shifter transmission ruler 4 are integrally formed. The control unit 13 is provided with a motor 11 and a control circuit 12. The screw 5 and the axis direction of the phase shifter transmission ruler 4 are arranged in parallel, the sliding block 6 is in threaded connection with the screw 5, the motor 11 drives the screw 5, and the sliding block 6 drives the phase shifter transmission ruler 4 to move along the axis direction of the screw 5 along with the rotation of the screw 5. The sliding resistor 1 is set based on the movement stroke of the phase shifter transmission ruler 4, the resistance value of the phase shifter transmission ruler 4 at the current position is detected and sent to the control circuit 12, and the control circuit 12 obtains the current electronic downward inclination angle at least according to the resistance value. The motor 11 can be a common speed reducing motor or a stepping motor as a power source. The sliding resistor 1 comprises a resistance sliding sheet 2 and an electronic pin 3 electrically connected with the control unit 13, and the resistance sliding sheet 2 is arranged on one side of the phase shifter transmission ruler 4 and is in contact with the phase shifter transmission ruler 4. The electronic pin 3 sends the resistance value of the phase shifter transmission ruler 4 at the current position to the control circuit 12 in real time. The surface of the phase shifter driving ruler 4 is provided with angle scales 10 along the length direction of the phase shifter driving ruler 4, so that the scales can be read conveniently. One side of the control unit base 8 facing the screw 5 is provided with a motor output shaft through hole and a resistor interface 7, an output shaft of the motor 11 penetrates through the motor output shaft through hole to be in transmission connection with the screw 5, a first side of the resistor interface 7 is electrically connected with the electronic pin 3 of the sliding resistor 1 through a flexible data line (not shown in the figure), the control unit 13 is provided with at least one resistor contact 9, the resistor contact 9 is inserted into the control unit base 8 along with the control unit 13, and the resistor contact 9 is electrically connected with a second side of the resistor interface 7. The control unit 13 is internally provided with a motor 11 and a control circuit 12, the bottom of the control unit is provided with a resistance contact 9 connected with a resistance interface 7 of a control unit base 8, when the control unit 13 is inserted into the base, an output shaft of the motor 11 penetrates through a motor output shaft through hole at the bottom of the control unit 13 to be connected with the screw rod 5, and when the motor 11 rotates, the screw rod 5 drives the sliding block 6 to move. The control circuit 12 prestores a mapping relationship between the resistance value of the resistor and the current electronic downtilt angle, and outputs the corresponding current electronic downtilt angle according to the resistance value of the resistor when the phase shifter transmission ruler 4 is at the current position. The sliding sheet of the sliding resistor 1 is connected with the phase shifter transmission ruler 4, when the phase shifter transmission ruler 4 displaces, the resistance value of the sliding resistor 1 changes, the resistance value is converted into an angle through the control circuit 12 and is returned to the controller, and therefore the current electronic downward inclination angle of the antenna is obtained.
Wherein, a control unit 13 (remote control unit, RCU) is inserted into the control unit base 8, the controller initiates an antenna electronic downward inclination angle adjustment request, a control circuit 12 obtains the resistance value of the sliding resistor 1, a motor 11 drives a screw rod 5 to rotate, thereby the phase shifter transmission ruler 4 moves, when the phase shifter transmission ruler 4 moves, the resistance value of the sliding resistor 1 changes along with the change,
the mapping relationship between the resistance value and the current electronic downtilt angle is prestored in a database of the control circuit 12, and the control circuit 12 outputs the corresponding current electronic downtilt angle according to the resistance value when the phase shifter transmission ruler is at the current position.
And when the current electronic downward inclination angle is smaller than the target angle, the motor positively rotates to drive the phase shifter to drive the ruler to move towards the direction of increasing the electronic downward inclination angle.
If the current electronic downward inclination angle is larger than the target angle, the phase shifter is driven by the motor to rotate reversely, so that the ruler moves towards the direction of reducing the electronic downward inclination angle.
And if the current electronic downward inclination angle is equal to the target angle, stopping the motor from rotating, returning an adjustment success prompt to the controller, and finishing the adjustment.
If the motor continuously rotates but the resistance value is not changed, the motor is judged to be locked, and the maintenance alarm is automatically carried out.
In summary, the present invention is directed to provide a remote antenna adjustment system and an adjustment method thereof, which can replace more motors without calibration, and utilize a sliding resistor inside an antenna to cooperate with a resistor to realize closed-loop control, thereby reducing the internal structure of a remote control unit, simplifying the structure of the remote control unit of the conventional electrically tunable antenna, and reducing the overall size.
The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims (10)

1. An antenna electronic downtilt adjustment assembly, comprising:
a phase shifter transmission ruler (4);
a sliding block (6) connected with the phase shifter transmission ruler (4);
a control unit (13) provided with a motor (11) and a control circuit (12);
the screw (5) is arranged in parallel with the axial direction of the phase shifter transmission ruler (4), the sliding block (6) is in threaded connection with the screw (5), the motor (11) is used for driving the screw (5), and the sliding block (6) drives the phase shifter transmission ruler (4) to move along the axial direction of the screw (5) along with the rotation of the screw (5); and
the sliding resistor (1) is used for detecting the resistance value of the phase shifter transmission ruler (4) at the current position based on the movement stroke setting of the phase shifter transmission ruler (4) and sending the resistance value to the control circuit (12), and the control circuit (12) obtains the current electronic downward inclination angle at least according to the resistance value.
2. The antenna electronic downtilt adjustment assembly according to claim 1, characterized in that the sliding resistor (1) comprises a resistive slide (2), the resistive slide (2) being arranged on one side of the phase shifter transmission ruler (4) and being in contact with the phase shifter transmission ruler (4).
3. The antenna electronic downtilt adjustment assembly according to claim 2, wherein the sliding resistor (1) further comprises an electronic pin (3) electrically connected to the control unit (13), and the resistance value of the phase shifter driving ruler (4) at the current position is sent to the control circuit (12) in real time.
4. An antenna electronic down tilt adjustment assembly according to claim 1, characterized in that the surface of the phase shifter drive ruler (4) is provided with an angle scale (10) along the length of the phase shifter drive ruler (4).
5. The antenna electronic downtilt adjustment assembly according to claim 2, further comprising a control unit base (8), wherein the control unit base (8) is integrally formed with the phase shifter transmission ruler (4), a motor output shaft through hole is formed in one side of the control unit base (8) facing the screw (5), and an output shaft of the motor (11) penetrates through the motor output shaft through hole to be in transmission connection with the screw (5).
6. The antenna electronic downtilt adjustment assembly according to claim 5, wherein the control unit base (8) is provided with at least one resistive interface (7), a first side of the resistive interface (7) is electrically connected to the electronic pin (3), the control unit (13) is provided with at least one resistive contact (9), the resistive contact (9) is electrically connected to a second side of the resistive interface (7) when the control unit (13) is inserted into the control unit base (8), and the resistive interface (7) and the motor output shaft through hole are located on the same side of the control unit base (8).
7. The antenna electronic down tilt assembly according to claim 1, wherein the motor (11) is a reduction motor or a stepping motor.
8. An antenna electronic down tilt adjustment assembly according to claim 1, characterized in that the sliding block (6) is integrally formed with the phase shifter transmission ruler (4).
9. The antenna electronic downtilt adjustment assembly according to claim 1, wherein the control circuit (12) pre-stores a mapping relationship between the resistance value and the current electronic downtilt angle, and outputs the corresponding current electronic downtilt angle according to the resistance value when the phase shifter driving ruler (4) is at the current position.
10. An adjustment method of an antenna remote adjustment system, characterized in that the antenna electronic down tilt adjustment assembly of claim 1 is used, comprising the steps of:
receiving a target angle of an electronic downtilt of an antenna;
detecting the resistance value of the phase shifter transmission ruler at the current position;
obtaining a current electronic downward inclination angle according to the resistance value;
if the current electronic downward inclination angle is smaller than the target angle, the phase shifter transmission ruler is driven by the motor to move towards the direction of increasing the electronic downward inclination angle;
if the current electronic downward inclination angle is equal to the target angle, stopping the motor;
and if the current electronic downward inclination angle is larger than the target angle, the motor drives the phase shifter transmission ruler to move towards the direction of reducing the electronic downward inclination angle.
CN202111490877.XA 2021-12-08 2021-12-08 Antenna remote adjustment system and adjustment method thereof Withdrawn CN114156657A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111490877.XA CN114156657A (en) 2021-12-08 2021-12-08 Antenna remote adjustment system and adjustment method thereof

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Application Number Priority Date Filing Date Title
CN202111490877.XA CN114156657A (en) 2021-12-08 2021-12-08 Antenna remote adjustment system and adjustment method thereof

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CN114156657A true CN114156657A (en) 2022-03-08

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115183116A (en) * 2022-06-22 2022-10-14 南京云照乐摄影有限公司 Shooting rod convenient to adjust shooting angle

Citations (5)

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Publication number Priority date Publication date Assignee Title
CN1734227A (en) * 2005-08-23 2006-02-15 广州杰赛科技股份有限公司 Apparatus and method for detecting electronic declination angle of communication antenna
CN2872622Y (en) * 2006-03-23 2007-02-21 京信通信技术(广州)有限公司 Controller for adjusting mobile telecommunication antenna lower dig
DE102008059268A1 (en) * 2008-11-27 2009-11-19 Kathrein-Werke Kg Positional recognition device for antenna, particularly mobile phone antenna, has integrated inclination sensor and global positioning system, where device is provided in control unit for adjusting electrical beam deflection with antenna
CN103700944A (en) * 2013-12-31 2014-04-02 苏州市大富通信技术有限公司 Antenna and adjusting device for electrical downtilt of antenna
CN204788409U (en) * 2015-06-29 2015-11-18 常州安塔歌电子科技有限公司 Base station antenna machinery angle of declination of solar energy power supply, electrical down -tilting angle, azimuth wireless sensor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1734227A (en) * 2005-08-23 2006-02-15 广州杰赛科技股份有限公司 Apparatus and method for detecting electronic declination angle of communication antenna
CN2872622Y (en) * 2006-03-23 2007-02-21 京信通信技术(广州)有限公司 Controller for adjusting mobile telecommunication antenna lower dig
DE102008059268A1 (en) * 2008-11-27 2009-11-19 Kathrein-Werke Kg Positional recognition device for antenna, particularly mobile phone antenna, has integrated inclination sensor and global positioning system, where device is provided in control unit for adjusting electrical beam deflection with antenna
CN103700944A (en) * 2013-12-31 2014-04-02 苏州市大富通信技术有限公司 Antenna and adjusting device for electrical downtilt of antenna
CN204788409U (en) * 2015-06-29 2015-11-18 常州安塔歌电子科技有限公司 Base station antenna machinery angle of declination of solar energy power supply, electrical down -tilting angle, azimuth wireless sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115183116A (en) * 2022-06-22 2022-10-14 南京云照乐摄影有限公司 Shooting rod convenient to adjust shooting angle
CN115183116B (en) * 2022-06-22 2023-08-18 南京云照乐摄影有限公司 Shooting rod convenient to adjust shooting angle

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