CN114709588A - Dipole antenna fixing device - Google Patents

Dipole antenna fixing device Download PDF

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Publication number
CN114709588A
CN114709588A CN202210343234.0A CN202210343234A CN114709588A CN 114709588 A CN114709588 A CN 114709588A CN 202210343234 A CN202210343234 A CN 202210343234A CN 114709588 A CN114709588 A CN 114709588A
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CN
China
Prior art keywords
radiation arm
distance
dipole antenna
balun
supporting rod
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Granted
Application number
CN202210343234.0A
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Chinese (zh)
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CN114709588B (en
Inventor
范绍东
张洋
马长春
李星
孙靖虎
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Hangzhou Yongxie Technology Co ltd
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Hangzhou Yongxie Technology Co ltd
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Publication of CN114709588A publication Critical patent/CN114709588A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/08Means for collapsing antennas or parts thereof
    • H01Q1/10Telescopic elements
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01BMEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00Measuring arrangements characterised by the use of optical techniques
    • G01B11/14Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02General constructional details
    • G01R1/04Housings; Supporting members; Arrangements of terminals
    • G01R1/0408Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R29/00Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
    • G01R29/08Measuring electromagnetic field characteristics
    • G01R29/10Radiation diagrams of antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Variable-Direction Aerials And Aerial Arrays (AREA)
  • Support Of Aerials (AREA)

Abstract

The invention discloses a dipole antenna fixing device which comprises a substrate, wherein a first radiation arm is clamped at the upper end of a first transverse stretching assembly, a second radiation arm is clamped at the upper end of a fixed clamping assembly, and a balun is clamped at the upper end of the second transverse stretching assembly; one side of the balun is provided with a connector, and the end of the connector is connected with a dipole antenna; the distance detection unit is used for detecting to obtain first distance data, detecting to obtain second distance data and generating an analysis instruction according to the first distance data and the second distance data; the shooting unit is used for shooting a real-time image of a side end face of the dipole antenna in the first radiation arm; the data analysis unit obtains a first distance adjustment instruction and a second distance adjustment instruction according to the analysis instruction and the real-time image analysis; the first and second lateral stretching assemblies stretch the first radiating arm and the balun according to the first and second distance adjustment commands, respectively. The invention automatically adjusts the shape of the dipole antenna.

Description

Dipole antenna fixing device
Technical Field
The invention relates to the technical field of antennas, in particular to a dipole antenna fixing device.
Background
Dipole antennas (in english: Dipole antenna or doublt) are the first type of antennas used in radio communications, the simplest structure and the most widely used. The two ends of the conductors close to each other are respectively connected with a feeder line. When used as a transmitting antenna, electrical signals are fed into the conductor from the center of the antenna; when used as a receiving antenna, the received signal is also taken from the conductor at the center of the antenna. In order to meet the requirements of higher reliability, stability and high precision of modern communication products, a darkroom test is required to be carried out after the dipole antenna is manufactured. However, the size of the conventional dipole antenna after being manufactured cannot be adjusted, so that the dipole antenna cannot pass the requirement of darkroom testing and can only be eliminated, and resource waste is caused. The dipole antenna can perform better only when the length of the dipole antenna exceeds a length threshold.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a dipole antenna fixing device which is used for automatically adjusting the length and the cross section area of a dipole antenna and improving the utilization rate.
In order to achieve the purpose, the invention provides the following technical scheme: a dipole antenna fixing device comprises a substrate, wherein a detection module, a first transverse stretching assembly, a fixing clamping assembly and a second transverse stretching assembly are fixedly arranged at the upper end of the substrate;
the upper end of the first transverse stretching assembly is detachably clamped with a first radiation arm, the upper end of the fixed clamping assembly is detachably clamped with a second radiation arm, the upper end of the second transverse stretching assembly is detachably clamped with a balun, and the first radiation arm, the second radiation arm and the balun are tubular;
the second radiation arm is positioned on the same straight line with the central axes of the first radiation arm and the balun;
a connector is arranged on one side of the balun, a dipole antenna is connected to the end of the connector and fixed to the inner walls of the balun, the second radiating arm and the first radiating arm, and when the first radiating arm and the balun move, the length and the cross-sectional area of the dipole antenna change;
the detection module is arranged at the side end of the first radiation arm and comprises a distance detection unit, a shooting unit and a data analysis unit;
the distance detection unit is used for detecting the distance between the distance detection unit and the side end face of the dipole antenna in the first radiation arm to obtain first distance data, and detecting the distance between the distance detection unit and the connector to obtain second distance data;
the distance detection unit (21) processes the first distance data and the second distance data to obtain an antenna length, and generates an analysis instruction when the antenna length is not greater than a preset length threshold;
the shooting unit is used for shooting a real-time image of a side end face of the dipole antenna in the first radiation arm;
the data analysis unit is respectively connected with the distance detection unit and the shooting unit, is used for obtaining a first distance adjustment instruction and a second distance adjustment instruction according to the analysis instruction and the real-time image analysis, and sends the first distance adjustment instruction and the second distance adjustment instruction to the first transverse stretching assembly and the second transverse stretching assembly;
the first and second lateral stretching assemblies stretch the first radiating arm and the balun according to the first and second distance adjustment instructions, respectively.
Further, the data analysis unit comprises an image analysis subunit, a fusion processing subunit and a generation subunit;
the image analysis subunit is used for analyzing the side end face of the dipole antenna in the real-time image to obtain the area of the side end face;
the fusion processing subunit is respectively connected with the image analysis subunit and the generation subunit, and is used for bringing the first distance data, the second distance data and the side end surface area into a preset operation formula according to an analysis instruction to obtain an antenna good-to-guide ratio;
the generating subunit is configured to generate the first distance adjustment instruction and the second distance adjustment instruction according to the antenna good-to-pilot ratio.
Further, the operational formula is configured to:
R=kS/b(d1-d2);
wherein, R is used for representing the good-conductance ratio of the antenna;
s is for indicating the area of the side end face;
k is used to represent a first constant coefficient;
b is used for representing a second constant coefficient;
d1 is used to represent the first distance data;
d2 is used to represent the second distance data.
Further, the distance detection unit includes first laser rangefinder sensor and second laser rangefinder sensor, the outside extension in side of connector has a baffle, first laser rangefinder sensor be used for detecting self with the distance between the side end face of the dipole antenna in the first radiation arm, second laser rangefinder sensor be used for detecting self with the distance between the baffle.
Furthermore, a first sliding notch and a second sliding notch are formed in the upper end face of the substrate, the fixed clamping assembly is fixed at the upper end of the substrate between the first sliding notch and the second sliding notch, the first transverse stretching assembly comprises a first driving motor, a first screw rod, a first sliding block, a first supporting rod and a pair of first clamping pieces, the first driving motor is fixedly arranged in the first sliding notch, the first screw rod is coaxially connected with a driving shaft of the first driving motor, one end of the first screw rod, far away from the driving motor, is rotatably connected with the inner side wall of the first sliding notch, the first sliding block is in threaded sleeve connection with the first screw rod, the first sliding block is further in sliding sleeve connection with the first sliding notch, the first supporting rod is fixed at the upper end of the first sliding block, and the pair of first clamping pieces are fixed at the upper end of the first supporting rod, one end, close to the first supporting rod, of the first clamping piece is hinged to each other, and one end, far away from the supporting rod, of the first clamping piece is buckled to each other.
Further, the second transverse stretching component comprises a second driving motor, a second screw rod, a second sliding block, a second supporting rod and a pair of second clamping pieces, the second driving motor is fixedly arranged in the second sliding groove, the second screw rod is coaxially connected with a driving shaft of the second driving motor, one end of the second screw rod, which is far away from the driving motor, is rotatably connected with the inner side wall of the second sliding groove opening, the second sliding block is sleeved on the second screw rod in a threaded manner, the second sliding block is also sleeved in the second sliding groove in a sliding manner, the second supporting rod is fixed to the upper end of the second sliding block, the pair of second clamping pieces are fixed to the upper end of the second supporting rod, one ends, close to the second supporting rod, of the pair of second clamping pieces are hinged to each other, and one ends, far away from the supporting rod, of the pair of second clamping pieces are fastened to each other.
Furthermore, the fixed clamping assembly comprises a third supporting rod and a pair of third clamping pieces, the third clamping pieces are fixed to the upper end of the third supporting rod, one ends, close to the third supporting rod, of the third clamping pieces are hinged to each other, and one ends, far away from the supporting rod, of the third clamping pieces are buckled to each other.
Furthermore, a first sleeve is sleeved on an outer wall thread at a position where the second radiation arm abuts against the first radiation arm, a first external thread is arranged on an outer wall, close to one end of the second radiation arm, of the first radiation arm, a second external thread is arranged on the outer portions of two ends of the second radiation arm, a first cylindrical cavity is arranged inside the first sleeve, a first internal thread and a second internal thread are arranged on the inner wall of the first sleeve, the first internal thread is located at the left portion of the first cavity, and the second internal thread is located at the right portion of the first cavity;
a second sleeve is sleeved on the outer wall of the position, where the second radiation arm is abutted to the balun, through threads, the first external thread is arranged on the outer wall of the balun close to one end of the second radiation arm, a cylindrical second cavity is arranged in the second sleeve, the first internal thread and the second internal thread are arranged on the inner wall of the second sleeve, the first internal thread is located at the right part of the second cavity, and the second internal thread is located at the left part of the second cavity;
the first external thread is matched with the first internal thread, and the second external thread is matched with the second internal thread.
The invention has the beneficial effects that:
according to the invention, the detection module is arranged at the side end of the first radiation arm, so that the detection module can detect and obtain the first distance data, the second distance data and the real-time image, and further generates the analysis instruction according to the first distance data and the second distance data, so that the first distance adjustment instruction and the second distance adjustment instruction can be obtained according to the analysis instruction and the real-time image processing, and the first transverse stretching assembly and the second transverse stretching assembly can respectively stretch the first radiation arm and the balun according to the first distance adjustment instruction and the second distance adjustment instruction, so that the length and the cross-sectional area of the dipole antenna inside the first radiation arm and the balun can be automatically adjusted, the dipole antenna can meet the requirement of darkroom testing, and the utilization rate of the dipole antenna can be effectively improved.
Drawings
Fig. 1 is a schematic structural view of a dipole antenna fixing device according to the present invention;
FIG. 2 is a control schematic diagram of the detection module of the present invention.
Reference numerals: 1. a substrate; 101. a first sliding notch; 102. a second sliding notch; 2. a detection module; 21. a distance detection unit; 22. a shooting unit; 23. a data analysis unit; 231. an image analysis subunit; 232. a fusion processing subunit; 233. generating a subunit; 3. a first transverse stretching assembly; 31. a first drive motor; 32. a first screw; 33. a first slider; 34. a first support bar; 35. a first clamping member; 4. fixing the clamping assembly; 41. a third support bar; 42. a third clamping member; 5. a second transverse stretching assembly; 51. a second drive motor; 52. a second screw; 53. a second slider; 54. a second support bar; 55. a second clamping member; 6. a first radiating arm; 7. a second radiating arm; 8. a balun; 9. a connector; 11. a first sleeve; 12. a second sleeve.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples. In which like parts are designated by like reference numerals. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "bottom" and "top," "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
As shown in fig. 1, the dipole antenna fixing device of the present embodiment includes a substrate 1, and a detection module 2, a first transverse stretching assembly 3, a fixing clamping assembly 4, and a second transverse stretching assembly 5 are fixedly disposed at an upper end of the substrate 1;
the upper end of the first transverse stretching assembly 3 is detachably clamped with a first radiation arm 6, the upper end of the fixed clamping assembly 4 is detachably clamped with a second radiation arm 7, the upper end of the second transverse stretching assembly 5 is detachably clamped with a balun 8, the first radiation arm 6, the second radiation arm 7 and the balun 8 are all tubular, and the central axes of the second radiation arm 7 and the first radiation arm 6 and the balun 8 are positioned on the same straight line;
a connector 9 is arranged on one side of the balun 8, a dipole antenna is connected to the end of the connector 9 and fixed to the inner walls of the balun 8, the second radiation arm 7 and the first radiation arm 6, and when the first radiation arm 6 and the balun 8 move, the length and the cross-sectional area of the dipole antenna change;
the detection module 2 is arranged at the side end of the first radiation arm 6, and the detection module 2 comprises a distance detection unit 21, a shooting unit 22 and a data analysis unit 23;
the distance detection unit 21 is configured to detect a distance between itself and a side end surface of the dipole antenna in the first radiation arm 6 to obtain first distance data, and detect a distance between itself and the connector 9 to obtain second distance data;
the distance detection unit 21 processes the first distance data and the second distance data to obtain an antenna length, and generates an analysis instruction when the antenna length is not greater than a preset length threshold;
the shooting unit 22 is used for shooting a real-time image of the side end face of the dipole antenna in the first radiation arm 6;
the data analysis unit 23 is respectively connected with the distance detection unit 21 and the shooting unit 22, and is used for obtaining a first distance adjustment instruction and a second distance adjustment instruction according to the analysis instruction and the real-time image processing, and sending the first distance adjustment instruction and the second distance adjustment instruction to the first transverse stretching assembly 3 and the second transverse stretching assembly 5;
the first and second transverse stretching assemblies 3 and 5 stretch the first radiating arm 6 and the balun 8 according to the first and second distance adjustment commands, respectively.
Specifically, in this embodiment, balun 8, first radiating arm 6 and second radiating arm 7 all adopt metal material to make, have the advantage that electric conductivity is high and intensity is high, have promoted this technical scheme's durability.
Preferably, the distance detecting unit 21 includes a first laser ranging sensor and a second laser ranging sensor, a baffle extends outwards from a side of the connector 9, the first laser ranging sensor is used for detecting a distance between itself and a side end face of the dipole antenna in the first radiating arm 6, and the second laser ranging sensor is used for detecting a distance between itself and the baffle.
Specifically, in the present embodiment, the shooting unit 22 is a camera, and the camera is disposed directly below the first laser ranging sensor. The position of detection module 2 and the contact of base plate 1 is equipped with the pneumatic cylinder for along vertical direction drive camera, first laser rangefinder sensor and second laser rangefinder sensor. First, the hydraulic cylinder changes the position of the first laser ranging sensor in the vertical direction so that the detection port of the first laser ranging sensor is aligned with the dipole antenna in the first radiation arm 6, and first distance data is measured. At the moment, the second laser ranging sensor and the baffle are located at the same horizontal position, and the second laser ranging sensor measures second distance data. After the first laser ranging sensor and the second laser ranging sensor finish detection, the hydraulic cylinder drives the camera to ascend until the camera is aligned with the dipole antenna in the first radiation arm 6, and a real-time image is measured.
According to the technical scheme, the detection module 2 is arranged at the side end of the first radiation arm 6, the detection module 2 is enabled to detect first distance data, second distance data and a real-time image, an analysis instruction is further generated according to the first distance data and the second distance data, a first distance adjustment instruction and a second distance adjustment instruction are obtained according to the analysis instruction and the real-time image processing, the first transverse stretching assembly 3 and the second transverse stretching assembly 5 are enabled to stretch the first radiation arm 6 and the balun 8 according to the first distance adjustment instruction and the second distance adjustment instruction respectively, the dipole antenna inside the first radiation arm 6 and the balun 8 is stretched, automatic adjustment of the length and the cross-sectional area of the dipole antenna is achieved, the dipole antenna meets the requirement of darkroom testing, and the utilization rate of the dipole antenna is effectively improved.
Preferably, the data analysis unit 23 includes an image analysis subunit 231, a fusion processing subunit 232, and a generation subunit 233;
the image analysis subunit 231 is configured to analyze a side end face of the dipole antenna in the real-time image to obtain a side end face area;
the fusion processing subunit 232 is connected to the image analysis subunit 231 and the generation subunit 233 respectively, and is configured to bring the first distance data, the second distance data, and the side end surface area into a preset operation formula according to the analysis instruction, so as to obtain an antenna good-to-pilot ratio;
the generating subunit 233 is configured to generate a first distance adjustment instruction and a second distance adjustment instruction according to the antenna gain-to-conductance ratio.
Specifically, in this embodiment, the image analysis subunit 231 performs image feature point extraction on a side end surface of the dipole antenna in the real-time image, obtains a side end surface area according to the image analysis processing surrounded by the first distance data and each image feature point, and sends the side end surface area to the fusion processing subunit 232; the fusion processing subunit 232 brings the side end surface area, the first distance data and the second distance data into an operation formula according to the analysis instruction, calculates an antenna good conductance ratio for representing the conductivity of the antenna, and sends the antenna good conductance ratio to the generation subunit 233, and the generation subunit 233 generates a first distance adjustment instruction and a second distance adjustment instruction according to the antenna good conductance ratio, and sends the first distance adjustment instruction and the second distance adjustment instruction to the first transverse stretching assembly 3 and the second transverse stretching assembly 5, so that the first transverse stretching assembly 3 and the second transverse stretching assembly 5 respectively stretch the first radiation arm 6 and the balun 8.
Preferably, the operation formula is configured as:
R=kS/b(d1-d2);
wherein, R is used for representing the good conductance ratio of the antenna;
s is used for representing the area of the side end surface;
k is used to represent a first constant coefficient;
b is used for representing a second constant coefficient;
d1 is used to represent first distance data;
d2 is used to represent second distance data.
Preferably, the upper end face of the substrate 1 is provided with a first sliding notch 101 and a second sliding notch 102, the fixed clamping component 4 is fixed at the upper end of the substrate 1 between the first sliding notch 101 and the second sliding notch 102, the first transverse stretching component 3 comprises a first driving motor 31, a first screw rod 32, a first slider 33, a first supporting rod 34 and a pair of first clamping pieces 35, the first driving motor 31 is fixedly arranged in the first sliding notch 101, the first screw rod 32 is coaxially connected with a driving shaft of the first driving motor 31, one end of the first screw rod 32, far away from the driving motor, is rotatably connected with the inner side wall of the first sliding notch 101, the first slider 33 is in threaded sleeve joint with the first screw rod 32, the first slider 33 is further in sliding sleeve joint with the first sliding notch 101, the first supporting rod 34 is fixed at the upper end of the first slider 33, the pair of first clamping pieces 35 is fixed at the upper end of the first supporting rod 34, the ends of the pair of first clamping members 35 adjacent to the first support rod 34 are hinged to each other, and the ends of the pair of first clamping members 35 away from the support rod are fastened to each other.
Specifically, in the present embodiment, the first driving motor 31 adjusts its own operation state, including the rotation direction and the rotation speed, according to the first distance adjustment instruction. Under the driving of the first driving motor 31, the first slider 33 slides transversely in the first sliding slot 101 along the direction of the first screw 32, so that the first supporting rod 34 drives the first clamping piece 35 to clamp the first radiating arm 6 for transverse movement, so as to stretch the dipole antenna inside the first radiating arm 6.
Preferably, the second lateral stretching assembly 5 includes a second driving motor 51, a second screw 52, a second slider 53, a second supporting rod 54 and a pair of second clamping members 55, the second driving motor 51 is fixedly disposed in the second sliding slot 102, the second screw 52 is coaxially connected to a driving shaft of the second driving motor 51, one end of the second screw 52, far away from the driving motor, is rotatably connected to an inner side wall of the second sliding slot 102, the second slider 53 is threadedly sleeved on the second screw 52, the second slider 53 is further slidably sleeved in the second sliding slot 102, the second supporting rod 54 is fixed to an upper end of the second slider 53, the pair of second clamping members 55 is fixed to an upper end of the second supporting rod 54, one ends of the pair of second clamping members 55, close to the second supporting rod 54, are hinged to each other, and one ends of the pair of second clamping members 55, far away from the supporting rod, are fastened to each other.
Specifically, in the present embodiment, the second driving motor 51 adjusts its own operation state, including the rotation direction and the rotation speed, according to the second distance adjustment instruction. Under the driving of the second driving motor 51, the second slider 53 slides transversely in the second sliding slot 102 along the direction of the second screw 52, so that the second supporting rod 54 drives the second clamping piece 55 to clamp the second radiating arm 7 for transverse movement, so as to stretch the dipole antenna inside the balun 8.
Preferably, the fixed clamping assembly 4 includes a third supporting rod 41 and a pair of third clamping members 42, the pair of third clamping members 42 are fixed on the upper end of the third supporting rod 41, the ends of the pair of third clamping members 42 close to the third supporting rod 41 are hinged to each other, and the ends of the pair of third clamping members 42 far from the supporting rod are fastened to each other.
Preferably, a first sleeve 11 is sleeved on the outer wall of the abutting part of the second radiation arm 7 and the first radiation arm 6 in a threaded manner, a first external thread is arranged on the outer wall of the first radiation arm 6 close to one end of the second radiation arm 7, a second external thread is arranged on the outer part of each of two ends of the second radiation arm 7, a cylindrical first cavity is arranged in the first sleeve 11, a first internal thread and a second internal thread are arranged on the inner wall of the first sleeve 11, the first internal thread is positioned at the left part of the first cavity, and the second internal thread is positioned at the right part of the first cavity;
a second sleeve 12 is sleeved on the outer wall of the position where the second radiation arm 7 and the balun 8 are abutted, a first external thread is arranged on the outer wall of one end, close to the second radiation arm 7, of the balun 8, a cylindrical second cavity is arranged inside the second sleeve 12, a first internal thread and a second internal thread are arranged on the inner wall of the second sleeve 12, the first internal thread is located at the right part of the second cavity, and the second internal thread is located at the left part of the second cavity;
the first external thread is matched with the first internal thread, and the second external thread is matched with the second internal thread.
Specifically, in this embodiment, by providing the first sleeve 11 and the second sleeve 12, the relevant person can adjust the distance between the first radiation arm 6 and the second radiation arm 7 by rotating the first sleeve 11 by hand, and can adjust the distance between the second radiation arm 7 and the balun 8 by rotating the second sleeve 12 by hand, so as to avoid that the dipole antenna between the first radiation arm 6, the second radiation arm 7 and the balun 8 cannot be adjusted when the first transverse stretching assembly 3 and the second transverse stretching assembly 5 fail.
Furthermore, the first sleeve 11 and the second sleeve 12 are made of polyimide plastics, the dielectric loss of the plastics is low and is only between 0.004 and 0.007, and meanwhile, the electromagnetic wave interference is low. The plastic can resist high temperature of more than 400 ℃, and can avoid plastic deformation caused by overhigh temperature during welding of the internal balun 8.
The above is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above-mentioned embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (8)

1. The dipole antenna fixing device is characterized by comprising a substrate (1), wherein a detection module (2), a first transverse stretching assembly (3), a fixing clamping assembly (4) and a second transverse stretching assembly (5) are fixedly arranged at the upper end of the substrate (1);
the upper end of the first transverse stretching assembly (3) is detachably clamped with a first radiation arm (6), the upper end of the fixed clamping assembly (4) is detachably clamped with a second radiation arm (7), the upper end of the second transverse stretching assembly (5) is detachably clamped with a balun (8), the first radiation arm (6), the second radiation arm (7) and the balun (8) are all tubular in shape, and the central axes of the second radiation arm (7) and the first radiation arm (6) and the balun (8) are located on the same straight line;
a connector (9) is arranged on one side of the balun (8), a dipole antenna is connected to the end of the connector (9), the dipole antenna is fixed on the inner walls of the balun (8), the second radiation arm (7) and the first radiation arm (6), and when the first radiation arm (6) and the balun (8) move, the length and the cross-sectional area of the dipole antenna change;
the detection module (2) is arranged at the side end of the first radiation arm (6), and the detection module (2) comprises a distance detection unit (21), a shooting unit (22) and a data analysis unit (23);
the distance detection unit (21) is used for detecting the distance between the distance detection unit and the side end face of the dipole antenna in the first radiation arm (6) to obtain first distance data, and detecting the distance between the distance detection unit and the connector (9) to obtain second distance data;
the distance detection unit (21) processes the first distance data and the second distance data to obtain an antenna length, and generates an analysis instruction when the antenna length is not greater than a preset length threshold;
the shooting unit (22) is used for shooting a real-time image of a side end face of the dipole antenna in the first radiation arm (6);
the data analysis unit (23) is respectively connected with the distance detection unit (21) and the shooting unit (22), is used for obtaining a first distance adjustment instruction and a second distance adjustment instruction according to the analysis instruction and the real-time image processing, and sends the first distance adjustment instruction and the second distance adjustment instruction to the first transverse stretching assembly (3) and the second transverse stretching assembly (5);
the first and second transverse stretching assemblies (3, 5) stretch the first radiating arm (6) and the balun (8) according to the first and second distance adjustment commands, respectively.
2. The dipole antenna fixture as recited in claim 1, wherein: the data analysis unit (23) comprises an image analysis subunit (231), a fusion processing subunit (232) and a generation subunit (233);
the image analysis subunit (231) is used for analyzing the side end face of the dipole antenna in the real-time image to obtain the area of the side end face;
the fusion processing subunit (232) is respectively connected with the image analysis subunit (231) and the generation subunit (233), and is configured to bring the first distance data, the second distance data, and the side end surface area into a preset operation formula according to the analysis instruction, so as to obtain an antenna good-to-guide ratio;
the generating subunit (233) is configured to generate the first distance adjustment instruction and the second distance adjustment instruction according to the antenna good-to-pilot ratio.
3. The dipole antenna fixture as recited in claim 2, wherein: the operation formula is configured as follows:
R=kS/b(d1-d2);
wherein, R is used for representing the good-conductance ratio of the antenna;
s is for indicating the area of the side end face;
k is used to represent a first constant coefficient;
b is used for representing a second constant coefficient;
d1 is used to represent the first distance data;
d2 is used to represent the second distance data.
4. The dipole antenna fixture as recited in claim 1, wherein: the distance detection unit (21) comprises a first laser ranging sensor and a second laser ranging sensor, a baffle plate extends outwards from the side edge of the connector (9), the first laser ranging sensor is used for detecting the distance between the self and the side end face of the dipole antenna in the first radiation arm (6), and the second laser ranging sensor is used for detecting the distance between the self and the baffle plate.
5. The dipole antenna fixture as recited in claim 1, wherein: the upper side end face of the base plate (1) is provided with a first sliding notch (101) and a second sliding notch (102), the fixed clamping component (4) is fixed at the upper end of the base plate (1) between the first sliding notch (101) and the second sliding notch (102), the first transverse stretching component (3) comprises a first driving motor (31), a first screw rod (32), a first sliding block (33), a first supporting rod (34) and a pair of first clamping pieces (35), the first driving motor (31) is fixedly arranged in the first sliding notch (101), the first screw rod (32) is coaxially connected with a driving shaft of the first driving motor (31), one end, far away from the driving motor, of the first screw rod (32) is rotatably connected with the inner side wall of the first sliding notch (101), and the first sliding block (33) is in threaded sleeve connection with the first screw rod (32), first slider (33) still slip cup joint with in first sliding groove mouth (101), first bracing piece (34) are fixed the upper end of first slider (33), and is a pair of first holder (35) are fixed first bracing piece (34) upper end, and is a pair of first holder (35) are close to first bracing piece (34) one end articulates each other, and is a pair of first holder (35) are kept away from bracing piece one end lock joint each other.
6. The dipole antenna fixture as recited in claim 5, wherein: the second transverse stretching assembly (5) comprises a second driving motor (51), a second screw rod (52), a second sliding block (53), a second supporting rod (54) and a pair of second clamping pieces (55), the second driving motor (51) is fixedly arranged in the second sliding groove opening (102), the second screw rod (52) is coaxially connected with a driving shaft of the second driving motor (51), one end, far away from the driving motor, of the second screw rod (52) is rotatably connected with the inner side wall of the second sliding groove opening (102), the second sliding block (53) is in threaded sleeve connection with the second screw rod (52), the second sliding block (53) is further in sliding sleeve connection with the second sliding groove opening (102), the second supporting rod (54) is fixed at the upper end of the second sliding block (53), and the pair of second clamping pieces (55) is fixed at the upper end of the second supporting rod (54), one ends of the second clamping pieces (55) close to the second supporting rod (54) are hinged with each other, and one ends of the second clamping pieces (55) far away from the supporting rod are buckled with each other.
7. The dipole antenna fixture as recited in claim 1, wherein: the fixed clamping assembly (4) comprises a third supporting rod (41) and a pair of third clamping pieces (42), the third clamping pieces (42) are fixed to the upper end of the third supporting rod (41), the third clamping pieces (42) are hinged to one ends, close to the third supporting rod (41), of the third clamping pieces, and the third clamping pieces (42) are far away from one ends, far away from the supporting rod, of the third clamping pieces and are fastened to each other.
8. The dipole antenna fixture as recited in claim 1, wherein: a first sleeve (11) is sleeved on the outer wall of the abutting part of the second radiation arm (7) and the first radiation arm (6) in a threaded manner, a first external thread is arranged on the outer wall of the first radiation arm (6) close to one end of the second radiation arm (7), a second external thread is arranged on the outer part of each of two ends of the second radiation arm (7), a cylindrical first cavity is arranged in the first sleeve (11), a first internal thread and a second internal thread are arranged on the inner wall of the first sleeve (11), the first internal thread is positioned at the left part of the first cavity, and the second internal thread is positioned at the right part of the first cavity;
a second sleeve (12) is sleeved on the outer wall of the offset position of the second radiation arm (7) and the balun (8) in a threaded manner, the outer wall of the balun (8) close to one end of the second radiation arm (7) is provided with the first external thread, a cylindrical second cavity is arranged inside the second sleeve (12), the inner wall of the second sleeve (12) is provided with the first internal thread and the second internal thread, the first internal thread is positioned at the right part of the second cavity, and the second internal thread is positioned at the left part of the second cavity;
the first external thread is matched with the first internal thread, and the second external thread is matched with the second internal thread.
CN202210343234.0A 2022-01-25 2022-03-31 Dipole antenna fixing device Active CN114709588B (en)

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CN202210089606 2022-01-25

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102105805A (en) * 2009-05-11 2011-06-22 松下电器产业株式会社 Antenna evaluation device and method
CN102263319A (en) * 2010-05-28 2011-11-30 旭丽电子(广州)有限公司 Dipole antenna and electronic device with dipole antenna
JP2013108949A (en) * 2011-11-24 2013-06-06 Fujikura Ltd Cable characteristic measuring device
CN110401019A (en) * 2019-07-18 2019-11-01 东莞理工学院 The sub- radiating element of dual polarization dipole and antenna
CN113661397A (en) * 2019-08-28 2021-11-16 爱德万测试公司 Test arrangement, automated test equipment, and method for testing a device under test comprising a circuit and an antenna coupled to the circuit

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102105805A (en) * 2009-05-11 2011-06-22 松下电器产业株式会社 Antenna evaluation device and method
CN102263319A (en) * 2010-05-28 2011-11-30 旭丽电子(广州)有限公司 Dipole antenna and electronic device with dipole antenna
JP2013108949A (en) * 2011-11-24 2013-06-06 Fujikura Ltd Cable characteristic measuring device
CN110401019A (en) * 2019-07-18 2019-11-01 东莞理工学院 The sub- radiating element of dual polarization dipole and antenna
CN113661397A (en) * 2019-08-28 2021-11-16 爱德万测试公司 Test arrangement, automated test equipment, and method for testing a device under test comprising a circuit and an antenna coupled to the circuit

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