CN112350063B - Helical antenna structure convenient to debug and manufacturing method thereof - Google Patents
Helical antenna structure convenient to debug and manufacturing method thereof Download PDFInfo
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- CN112350063B CN112350063B CN202011203289.9A CN202011203289A CN112350063B CN 112350063 B CN112350063 B CN 112350063B CN 202011203289 A CN202011203289 A CN 202011203289A CN 112350063 B CN112350063 B CN 112350063B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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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
- H01Q1/125—Means for positioning
- H01Q1/1264—Adjusting different parts or elements of an aerial unit
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a helical antenna structure convenient to debug and a manufacturing method thereof, and solves the problems that the existing helical antenna structure is inconvenient to debug, high in rework rate and low in production efficiency. The invention comprises a balun and a spiral arm, wherein the top of the balun is provided with a choke groove, one end of the spiral arm is connected with the bottom of the balun, and the invention also comprises a connecting arm; the middle part of the connecting arm is annular, the radial section of the middle part of the connecting arm corresponds to the top surface of the balun and is detachably connected with the top surface of the balun, the connecting arm extends out connecting ends corresponding to the spiral arms in quantity along the direction far away from the axis of the balun, and all the connecting ends are uniformly distributed along the circumferential direction of the balun and are symmetrical about the choke groove; the connecting end is provided with a through lock hole along the direction parallel to the axial direction of the balun, a through thread debugging hole facing the end face of the connecting end from the lock hole is formed along the radial direction of the lock hole, a debugging screw is arranged in the thread debugging hole, and the free end of the spiral arm is matched and connected with a shaft hole of the lock hole. The invention has the advantages of simple assembly, convenient debugging, low production cost and the like.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a helical antenna structure convenient to debug and a manufacturing method thereof.
Background
With the increasing application requirements of the internet of things, accurate positioning and high-speed data transmission of terminals of the internet of things are key technologies to be solved. The quadrifilar helix antenna has a heart-shaped directional diagram, a good front-to-back ratio and an excellent wide-beam circular polarization characteristic, so that the quadrifilar helix antenna is very suitable for being used as a receiving antenna of a satellite positioning system and a navigation enhancement system.
The performance of the existing four-arm helical antenna is sufficiently fine, but the production process is not optimized all the time, and particularly, the debugging of the antenna is very troublesome and is frequently reworked for many times, so that the yield of the existing helical antenna is low, and the improvement of the helical antenna is urgently needed.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the invention provides a helical antenna structure convenient for debugging and a manufacturing method thereof, which are used for solving the problems.
The invention is realized by the following technical scheme:
a spiral antenna structure convenient to debug comprises a balun and a spiral arm, wherein a choke groove is formed in the top of the balun, one end of the spiral arm is connected with the bottom of the balun, and the spiral antenna structure further comprises a connecting arm; the middle part of the connecting arm is annular, the radial section of the middle part of the connecting arm corresponds to the top surface of the balun and is detachably connected with the top surface of the balun, the connecting arm extends out of connecting ends corresponding to the spiral arms in quantity along the direction far away from the axis of the balun, and all the connecting ends are uniformly distributed along the circumferential direction of the balun and are symmetrical about the choke groove; the screw arm is characterized in that the connecting end is provided with a through locking hole in the direction parallel to the axial direction of the balun, a through thread debugging hole facing the end face of the connecting end from the locking hole is formed in the radial direction of the locking hole, a debugging screw is arranged in the thread debugging hole, and the free end of the screw arm is connected with the shaft hole of the locking hole in a matched mode.
The problem that the spiral arm is fixed is found in the traditional antenna production process, the debugging process is most easily affected, in the prior art, the performance of an antenna structure is usually debugged by firstly adjusting the posture of the spiral arm, the spiral arm is welded with a balun after debugging, however, when the electrical performance of the antenna is detected after welding, the test result of a part of finished products is far away from the debugging result in production, rework is often needed to perform debugging and welding of the spiral arm again, and therefore the overall antenna production efficiency is greatly reduced, and in the rework process, a certain rejection rate is also accompanied, a large amount of labor cost is consumed, and the material cost is increased.
According to the welding device, the spiral arm is connected with the connecting arm and then connected with the balun, the connecting arm is provided with the locking hole, and the debugging screw in the thread debugging hole can temporarily fix the spiral arm penetrating through the locking hole; compared with the traditional antenna structure, the antenna structure has the advantages that the assembly process is simpler, the spiral arm does not need to be specially fixed during welding, the production efficiency is improved, and the quality of a finished product is integrally improved in production.
Furthermore, the lengths of the connecting ends opposite to each other in the connecting arms are equal, and the adjacent connecting ends have length difference; the signals are phase-shifted by setting the length of the connecting arm.
Furthermore, the number of the connecting ends and the number of the spiral arms are 4.
The feed needle is coaxially arranged in the balun, and one end of the feed needle is provided with a threaded hole; a cylinder is coaxially arranged in the center of the connecting arm, the cylinder and any part of the connecting arm are in an integrally formed structure, a countersunk hole is formed in the cylinder, and the connecting arm and the feed pin penetrate through the countersunk hole through a screw and are matched with the threaded hole for connection; the connecting arm is connected with the power supply through a screw; the feed needle is fixed directly and is connected with the connecting arm through the cylinder, so that the number of parts of the device is reduced, and the assembly is convenient.
The feed pin is characterized by further comprising a connecting disc, the connecting disc and the balun are of an integrally formed structure, a through hole with the same diameter as the inner hole of the balun is formed in the center of the connecting disc, an insulator is embedded in the through hole, and a feed pin needle head penetrates through the insulator to be connected with other equipment; the connection pad makes the connection pad do for the partly of balun with balun connection, is convenient for place or connect on the one hand, and on the other hand makes things convenient for helical antenna's connection, and the setting of the insulator at middle part realizes the electrical isolation of feed needle syringe needle and connection pad on the one hand, and on the other hand has played limiting displacement to the feed needle syringe needle, prevents that the feed needle syringe needle from rocking, improves the stability that feed needle syringe needle and other equipment are connected.
Furthermore, four connecting holes which are equally divided into circles are formed in the connecting disc and are used for connecting the connecting disc with the spiral arm; the four connecting holes are formed in the connecting disc, so that the spiral arm can be conveniently fixed with the connecting disc before welding, and the phenomena of wrong welding, welding size deviation, welding inclination of the welded spiral arm and the like during welding are avoided.
A manufacturing method of a spiral antenna structure is used for manufacturing the spiral antenna structure convenient to debug, firstly, one end of a spiral arm connected with the top of a balun penetrates through a lock hole of a connecting arm, then a debugging screw is adjusted to debug the spiral arm until the expected effect of electrical performance is achieved, and finally the spiral arm and the connecting arm are welded.
Furthermore, before the spiral arm is connected with the connecting arm, the spiral arm and the connecting disc are fixed through screws, and after the posture of the spiral arm is adjusted through the screws, the connecting disc is welded with the spiral arm.
The invention has the following advantages and beneficial effects:
1. the invention is beneficial to assembly and convenient to debug, can position the spiral antenna by utilizing the self structure before welding the spiral arm, ensures that the debugging is more convenient and faster, has higher debugging efficiency, ensures that the posture and the position of the spiral arm are basically unchanged before and after welding after being fixed by utilizing the debugging screw, and reduces the rework rate.
2. The invention improves the spiral antenna structure, simplifies the manufacturing process of the spiral antenna structure, improves the production efficiency, reduces the production cost, and simultaneously fixes the posture of the spiral arm by utilizing the self structure, improves the quality of finished products, namely the error between the finished product effect and the debugging effect is smaller than that of the prior art.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the present invention.
Fig. 2 is a bottom structure diagram of the present invention.
Fig. 3 is a schematic view of a connecting arm structure of the present invention.
Fig. 4 is a schematic view of the stent structure of the present invention.
Reference numbers and corresponding part names in the figures:
1-bracket, 2-spiral arm, 3-feed pin, 4-connecting arm, 5-insulating pressing plate, 6-debugging screw, 7-insulator, 11-connecting disc, 12-balun, 13-choke groove, 14-connecting hole, 41-counter bore, 42-locking hole and 43-thread debugging hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1
As shown in fig. 1, a helical antenna structure convenient for debugging includes a balun 12 and a helical arm 2, a choke groove 13 is formed at the top of the balun 12, one end of the helical arm 2 is connected with the bottom of the balun 12, and a connecting arm 4 is further included; the middle part of the connecting arm 4 is annular, the radial section of the middle part of the connecting arm 4 corresponds to the top surface of the balun 12 and is detachably connected with the top surface of the balun 12, the connecting arm 4 extends out connecting ends corresponding to the spiral arms in quantity along the direction far away from the axis of the balun 12, and all the connecting ends are uniformly distributed along the circumferential direction of the balun 12 and are symmetrical about the choke groove 13; the connecting end is provided with a through locking hole 42 along the direction parallel to the axial direction of the balun, a through thread debugging hole 43 from the locking hole 42 to the end face of the connecting end is formed along the radial direction of the locking hole 42, a debugging screw 6 is arranged in the thread debugging hole 43, and the free end of the spiral arm 2 is in matched connection with the shaft hole of the locking hole 42.
In the invention, the spiral arm 2 is connected with the connecting arm 4 and then connected with the balun, the connecting arm 4 is provided with a locking hole 42, the spiral arm 2 passing through the locking hole 42 can be fixed by a debugging screw 6 in a thread debugging hole 43, when debugging is carried out, the spiral arm 2 is fixed by the debugging screw 6 after the posture of the spiral arm 2 is adjusted, and then the spiral arm 2 is welded with the connecting arm 4; therefore, the serious deformation of a crater at the welding position of the spiral arm 2 due to self gravity and internal stress after welding is prevented, the consistency of the postures of the spiral arm 2 before and after welding is ensured, and meanwhile, the debugging of the spiral arm 2 is facilitated due to the arrangement of the debugging screw 6 and the lockhole 42; compared with the traditional spiral antenna structure, the invention has simpler assembly process, does not need to specially fix the spiral arm 2 during welding, improves the production efficiency and integrally improves the quality of finished products.
Example 2
The embodiment is an improvement on the basis of embodiment 1, and specifically, as shown in fig. 2, fig. 3, and fig. 4, the number of the connecting ends and the spiral arms 2 is 4, the two connecting ends in central symmetry in the connecting arm 4 have equal length, the two adjacent connecting ends have length difference, the middle part of the connecting arm 4 is composed of two semicircular rings, the two connecting ends with length difference are connected to the same semicircular ring, one of the semicircular rings extends outwards from the center to form a cylinder with equal thickness, a through countersunk hole 41 is formed in the cylinder, the other semicircular ring corresponds to the semicircular ring to form a circular connecting arm 4 middle part, the connecting arm further comprises a connecting disc 11, the connecting disc 11 and the lower end of the balun 12 form an integrally formed structure as the bracket 1 of the whole device, a through hole with the same inner diameter as that of the balun 12 is formed in the center of the connecting disc 11, an insulator 7 is sleeved in the through hole, and 4 connecting holes 14 for connecting the spiral arms 2 are formed around the through hole.
In the embodiment, the arrangement of the length of the connecting end enables the phase difference to be achieved, the signal receiving effect is better, the choke groove 13 is better for balancing current in cooperation with the arrangement of the connecting disc 5, the signal quality is guaranteed, the arrangement of the insulator 7 below the connecting disc 11 prevents the feed pin 3 from shaking in the balun 12, meanwhile, the feed pin 3 is electrically isolated from the connecting disc 11, the connecting hole 14 in the connecting disc 11 facilitates the fixing of the spiral arm 2 and the connecting disc 11, the situation and the position of the spiral arm 2 relative to the connecting disc 11 are guaranteed not to be changed basically after welding before and after welding, and the connecting hole 14 can also serve as the spiral arm 2 to be in spiral connection with the connecting disc 11, so that the maintenance is convenient.
Example 3
A manufacturing method of a spiral antenna structure is used for manufacturing the spiral antenna structure convenient to debug, firstly, one end of a spiral arm 2 connected with the top of a balun 12 penetrates through a lock hole 42 of a connecting arm 4, then a debugging screw 6 is adjusted to debug the spiral arm 2 until the expected effect of electrical performance is achieved, and finally the spiral arm 2 and the connecting arm 4 are welded; further, before the spiral arm 2 is connected with the connecting arm 4, the spiral arm 2 and the connecting disc 11 are fixed through screws, and after the posture of the spiral arm 2 is adjusted through the screws, the connecting disc 11 is welded with the spiral arm 2.
The manufacturing method of the invention reduces the difficulty of the assembly process of the spiral antenna structure, simultaneously has higher quality of finished products, improves the production efficiency and saves the production cost.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (7)
1. A helical antenna structure convenient for debugging comprises a balun (12) and a helical arm (2), wherein a choke groove (13) is formed in the top of the balun (12), one end of the helical arm (2) is connected with the bottom of the balun (12), and the helical antenna structure is characterized by further comprising a connecting arm (4);
the middle part of the connecting arm (4) is annular, the radial section of the middle part of the connecting arm (4) corresponds to the top surface of the balun (12) and is detachably connected with the top surface of the balun (12), the connecting arm (4) extends out of connecting ends corresponding to the spiral arms in quantity along the direction far away from the axis of the balun (12), and all the connecting ends are uniformly distributed along the circumferential direction of the balun (12) and are symmetrical about a choke groove (13);
the connecting end is provided with a through lock hole (42) along the direction parallel to the axial direction of the balun, a through thread debugging hole (43) facing the end face of the connecting end from the lock hole (42) is formed along the radial direction of the lock hole (42), a debugging screw (6) is arranged in the thread debugging hole (43), and the free end of the spiral arm (2) is in matched connection with the shaft hole of the lock hole (42);
two connecting ends in the connecting arm (4) which are centrosymmetric are equal in length, and the two adjacent connecting ends have length difference;
the middle part of the connecting arm (4) consists of two semicircular rings, wherein two connecting ends with length difference are connected to the same semicircular ring; one semicircular ring extends outwards from the center of the circle to form a cylinder with the same thickness, a through counter bore (41) is formed in the cylinder, and the shape of the other semicircular ring corresponds to that of the semicircular ring to form the middle part of the annular connecting arm (4).
2. A helical antenna structure facilitating debugging according to claim 1, wherein the number of said connection ends and helical arms (2) is 4.
3. The helical antenna structure convenient to debug according to claim 2, characterized by comprising a feed pin (3), wherein the feed pin (3) is coaxially arranged in the balun (12), and one end of the feed pin (3) is provided with a threaded hole;
a cylinder is coaxially arranged in the center of the connecting arm (4), the cylinder and any part of the connecting arm (4) are of an integrally formed structure, a countersunk hole (41) is formed in the cylinder, and the connecting arm (4) and the feed pin (3) penetrate through the countersunk hole (41) through a screw and are connected with a threaded hole in a matched mode;
the connecting device is characterized by further comprising an insulating pressing plate (5), wherein the insulating pressing plate (5) is arranged on the connecting arm (4), and the insulating pressing plate (5) is connected with the connecting arm (4) and the balun (12) through screws.
4. The helical antenna structure convenient to debug according to claim 3, characterized by comprising a connecting disc (11), wherein the connecting disc (11) and the balun (12) are of an integrated structure, a through hole with the same diameter as that of the inner hole of the balun (12) is formed in the center of the connecting disc (11), an insulator (7) is nested in the through hole, and the needle head of the feed needle (3) penetrates through the insulator (7) to be connected with other equipment.
5. A spiral antenna structure convenient for debugging according to claim 4, characterized in that the connecting disc (11) is provided with four connecting holes (14) which are equally divided into circles, and the connecting holes (14) are used for connecting the connecting disc (11) and the spiral arm (2).
6. A manufacturing method of a spiral antenna structure for facilitating debugging in any one of claims 1 to 5, wherein one end of the spiral arm (2) connected with the top of the balun (12) is firstly made to pass through a lock hole (42) of the connecting arm (4), then a debugging screw (6) is adjusted to debug the spiral arm (2) until the expected effect of electrical performance is achieved, and finally the spiral arm (2) is welded with the connecting arm (4).
7. The method of claim 6, wherein the spiral arm (2) and the connection pad (11) are fixed by screws before the connection between the spiral arm (2) and the connection arm (4) is performed, and after the posture of the spiral arm (2) is adjusted by screws, the connection pad (11) and the spiral arm (2) are welded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203289.9A CN112350063B (en) | 2020-11-02 | 2020-11-02 | Helical antenna structure convenient to debug and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011203289.9A CN112350063B (en) | 2020-11-02 | 2020-11-02 | Helical antenna structure convenient to debug and manufacturing method thereof |
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| Publication Number | Publication Date |
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| CN112350063A CN112350063A (en) | 2021-02-09 |
| CN112350063B true CN112350063B (en) | 2023-04-07 |
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| CN111146565A (en) * | 2019-12-29 | 2020-05-12 | 南京屹信航天科技有限公司 | Satellite-borne L-frequency-band helical antenna |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10347976B2 (en) * | 2016-12-09 | 2019-07-09 | University Of Idaho | Stacked printed circuit board implementations of three dimensional antennas |
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|---|---|---|---|---|
| US8730118B1 (en) * | 2010-06-08 | 2014-05-20 | Tdk Corporation | Biconical antenna with equal delay balun and bifurcating ground plane |
| CN103219595A (en) * | 2013-01-28 | 2013-07-24 | 零八一电子集团有限公司 | Circularly polarized antenna array having spinning characteristic in space structure |
| CN108242591A (en) * | 2017-12-13 | 2018-07-03 | 上海航天电子有限公司 | Spaceborne eight arm helical antenna of more navigation system |
| CN108242595A (en) * | 2017-12-13 | 2018-07-03 | 上海航天电子有限公司 | X-band miniaturization cone spiral shell antenna |
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| Conformal Load-Bearing Spiral Antenna on Conductive Textile Threads;Jingni Zhong 等;《 IEEE Antennas and Wireless Propagation Letters》;20160519;第16卷;全文 * |
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