CN109301483B - Multi-star single-frequency antenna based on multi-arm spiral - Google Patents
Multi-star single-frequency antenna based on multi-arm spiral Download PDFInfo
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- CN109301483B CN109301483B CN201811171393.7A CN201811171393A CN109301483B CN 109301483 B CN109301483 B CN 109301483B CN 201811171393 A CN201811171393 A CN 201811171393A CN 109301483 B CN109301483 B CN 109301483B
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- protective shell
- antenna body
- mounting
- sides
- hinged
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/02—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole
- H01Q3/04—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system using mechanical movement of antenna or antenna system as a whole for varying one co-ordinate of the orientation
-
- 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
- H01Q1/20—Resilient mountings
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/428—Collapsible radomes; rotatable, tiltable radomes
Abstract
The invention relates to the technical field of antennas, in particular to a multi-star single-frequency antenna based on a multi-arm spiral, which comprises a mounting frame, wherein the middle part of the upper end of the mounting frame is hinged with a protective shell through a spherical hinge, the lower part of the inner cavity of the protective shell is connected with a mounting plate in a sliding manner, an antenna body is mounted at the upper end of the mounting plate, a fixed shaft is fixedly connected between the lower parts of two sides of the inner wall of the protective shell, a first spring is arranged between two shaft sleeves and is sleeved outside the fixed shaft, the upper end of each shaft sleeve is hinged with a first oscillating rod through a pin shaft, the lower end of each shaft sleeve is hinged with a second oscillating rod through a pin shaft, and a second spring is fixedly connected between. The antenna body angle adjusting device is simple in structure and convenient to use, the angle of the antenna body can be adjusted at any time, the antenna body can be effectively protected from being damaged, the service life of the device is greatly prolonged, and the antenna body angle adjusting device is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of antennas, in particular to a multi-star single-frequency antenna based on a multi-arm spiral.
Background
The antenna is a key unit on the satellite navigation system terminal, the satellite navigation system terminal receives electromagnetic wave signals transmitted by a navigation satellite through the multi-arm spiral antenna and provides the electromagnetic wave signals for the radio frequency front end processing on the terminal so as to obtain the navigation satellite signals and related data information, and therefore the quality of the multi-arm spiral antenna performance can directly influence the normal working state of the satellite navigation system terminal.
After the existing multi-arm spiral antenna is installed, the angle of the antenna cannot be adjusted according to the use requirement, so that the signal receiving capability of the antenna is poor, the optimal signal receiving position cannot be provided for a user, in addition, the existing multi-arm spiral antenna is lack of corresponding protection measures, the antenna is easy to be damaged due to collision and vibration, and the service life is shortened. To this end, we propose a new multi-arm helix based multi-star single frequency antenna to solve such problems.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a multi-star single-frequency antenna based on a multi-arm spiral.
In order to achieve the purpose, the invention adopts the following technical scheme:
a multi-star single-frequency antenna based on a multi-arm spiral is designed, and comprises a mounting rack, wherein the middle part of the upper end of the mounting rack is hinged with a protective shell through a spherical hinge, threaded pipes are respectively arranged on the upper parts of the two sides of the inner wall of the mounting rack in a penetrating manner, the inner threads of the threaded pipes are connected with threaded rods, one ends of the threaded rods are fixedly connected with a fixing plate matched with the protective shell for use, one sides, away from the fixing plate, of the threaded rods are connected with a rocker, the lower part of the inner cavity of the protective shell is connected with a mounting plate in a sliding manner, an antenna body is mounted at the upper end of the mounting plate, a fixing shaft is fixedly connected between the lower parts of the two sides of the inner wall of the protective shell, shaft sleeves are sleeved on the outer side of the fixing shaft, a first spring is arranged between the, the lower end of the shaft sleeve is hinged with a second swing rod through a pin shaft, the lower end of the second swing rod is hinged with the bottom end of the inner wall of the protective shell through a pin shaft, and a second spring is fixedly connected between the first swing rod and the second swing rod.
Preferably, the lower extreme bilateral symmetry of mounting bracket is equipped with strutting arrangement, strutting arrangement is including the loop bar, strutting arrangement's upper end is pegged graft and is had the bracing piece, the upper end of bracing piece is connected with the mounting bracket, be equipped with the spring coil between the lower extreme of bracing piece and the inner chamber bottom of loop bar.
Preferably, the middle part of the lower end of the mounting rack is uniformly provided with drain holes.
Preferably, the two sides of the mounting plate are respectively connected with a sliding block, and sliding grooves matched with the sliding blocks are formed in the two sides of the inner wall of the protective shell.
Preferably, a wire passing hole is formed in one side of the outer wall of the protective shell and is matched with the antenna body for use.
Preferably, the upper end of the protective shell is in threaded connection with a cover plate, and the upper end of the cover plate is connected with a rotary table.
Preferably, the upper end of the mounting plate is provided with a groove matched with the antenna body, and a rubber pad is arranged inside the groove.
The multi-star single-frequency antenna based on the multi-arm spiral has the beneficial effects that: move to the outside through rotatory threaded rod, can make the protecting crust keep away from to the fixed plate, remove the fixed to the protecting crust, then make the protecting crust rotatory around the ball pivot, can adjust the angle of antenna body, be used for looking for the best signal reception position, signal reception's stability has been guaranteed, when meetting striking vibrations, reciprocate through the mounting panel, drive first swinging arms and the swing of second swinging arms, make the axle sleeve remove, thereby make first spring and second spring take place deformation, the elasticity that utilizes first spring and second spring deformation to produce can play good buffering cushioning effect, avoid the antenna body to receive vibrations and damage. Compared with the prior art, the novel antenna body has the advantages that the structure is simple, the use is convenient, the angle of the antenna body can be adjusted at any time, the antenna body can be effectively protected from being damaged, the service life of the device is greatly prolonged, and the novel antenna body is worthy of popularization.
Drawings
Fig. 1 is a schematic structural diagram of a multi-star single-frequency antenna based on a multi-arm helix according to the present invention;
fig. 2 is a schematic structural diagram of a supporting device in a multi-arm helix-based multi-star single-frequency antenna provided by the invention.
In the figure: the antenna comprises a protective shell 1, a mounting plate 2, an antenna body 3, a fixed shaft 4, a shaft sleeve 5, a first spring 6, a first swing rod 7, a second swing rod 8, a second spring 9, a mounting frame 11, a threaded pipe 12, a threaded rod 13, a fixing plate 14, a rocker 15, a wire passing hole 16, a groove 17, a rubber pad 18, a sliding block 19, a sliding groove 20, a cover plate 21, a rotary disc 22, a water discharging hole 23, a supporting device 24, a loop bar 25, a supporting rod 26, a spring ring 27 and a spherical hinge 28.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-2, a multi-star single frequency antenna based on multi-arm spiral, including mounting bracket 11, the lower extreme bilateral symmetry of mounting bracket 11 is equipped with strutting arrangement 24, strutting arrangement 24 is including loop bar 25, it has bracing piece 26 to peg graft in strutting arrangement 24's upper end, the upper end of bracing piece 26 is connected with mounting bracket 11, be equipped with spring coil 27 between the lower extreme of bracing piece 26 and the inner chamber bottom of loop bar 25, can jack-up mounting bracket 11 through strutting arrangement 24, keep away from ground, can avoid mounting bracket 11 to corrode because of moist ground environment, utilize spring coil 27's elasticity simultaneously, can further improve the buffering guard action to antenna body 3.
The middle part of the lower end of the mounting frame 11 is evenly provided with a drain hole 23, and when the device is used outdoors, the drain hole 23 can be used for draining rainwater, so that rainwater is prevented from accumulating and corroding the mounting frame 11.
The upper end middle part of mounting bracket 11 articulates through spherical hinge 28 has protecting crust 1, and wire hole 16 has been seted up to outer wall one side of protecting crust 1, crosses wire hole 16 and uses with the cooperation of antenna body 3, when installation antenna body 3, can make things convenient for going on of wiring work, facilitates the use more.
The upper end threaded connection of protecting crust 1 has apron 21, and the upper end of apron 21 is connected with carousel 22, and apron 21 can be sealed protecting crust 1, improves the guard action to antenna body 3, and the setting of carousel 22 has then improved the convenience when protecting crust 1 is rotatory, the angle of conveniently adjusting antenna body 3 more.
Inner wall both sides upper portion of mounting bracket 11 is run through respectively and is equipped with screwed pipe 12, the inside threaded connection of screwed pipe 12 has threaded rod 13, the one end fixed connection of threaded rod 13 and the fixed plate 14 that protective housing 1 cooperation was used, one side that fixed plate 14 was kept away from to threaded rod 13 is connected with rocker 15, the inner chamber lower part sliding connection of protective housing 1 has mounting panel 2, the both sides of mounting panel 2 are connected with slider 19 respectively, and protective housing 1's inner wall both sides seted up with slider 19 assorted spout 20, can reduce the frictional force between mounting panel 2 and the 1 inner wall of protective housing, be favorable to reciprocating of mounting panel 2, can play the limiting displacement to reciprocating of mounting panel 2 simultaneously, and is more reliable and.
Fixedly connected with fixed axle 4 between the lower part of 1 inner wall both sides of protecting crust, axle sleeve 5 has been cup jointed in the outside of fixed axle 4, be equipped with first spring 6 between two axle sleeves 5, and first spring 6 cup joints in the outside of fixed axle 4, axle sleeve 5's upper end articulates through the round pin axle has first swinging arms 7, the upper end of first swinging arms 7 is articulated through round pin axle and mounting panel 2, axle sleeve 5's lower extreme articulates through the round pin axle has second swinging arms 8, the lower extreme of second swinging arms 8 is articulated through the inner wall bottom of round pin axle and protecting crust 1, and fixedly connected with second spring 9 between first swinging arms 7 and the second swinging arms 8.
During the use, move to the outside through rotatory threaded rod 13, can make fixed plate 14 keep away from protecting crust 1, remove the fixed to protecting crust 1, then make protecting crust 1 rotatory around ball pivot 28, can adjust the angle of antenna body 3, be used for looking for best signal reception position, signal reception's stability has been guaranteed, when meetting striking vibrations, reciprocate through mounting panel 2, drive first swinging arms 7 and the swing of second swinging arms 8, make axle sleeve 5 remove, thereby make first spring 6 and second spring 9 take place deformation, the elasticity that utilizes first spring 6 and the deformation of second spring 9 to produce can play good buffering cushioning effect, avoid antenna body 3 to receive vibrations and damage.
The foregoing descriptions of embodiments of the present invention have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and their practical applications, to thereby enable others skilled in the art to best utilize the invention in various embodiments and with various modifications as are suited to the particular use contemplated. It is, therefore, to be understood that the invention is intended to cover all modifications and equivalents within the scope of the following claims.
Claims (5)
1. A multi-star single-frequency antenna based on a multi-arm spiral comprises a mounting rack and is characterized in that a protective shell is hinged to the middle of the upper end of the mounting rack through a spherical hinge, threaded pipes are respectively arranged on the upper portions of two sides of the inner wall of the mounting rack in a penetrating mode, threaded rods are connected to the inner threads of the threaded pipes in a threaded mode, one ends of the threaded rods are fixedly connected with a fixing plate matched with the protective shell for use, rockers are connected to one sides, away from the fixing plate, of the threaded rods, a mounting plate is connected to the lower portion of the inner cavity of the protective shell in a sliding mode, an antenna body is mounted at the upper end of the mounting plate, a fixing shaft is fixedly connected between the lower portions of two sides of the inner wall of the protective shell, shaft sleeves are sleeved on the outer sides of the, the upper end of the first oscillating rod is hinged with the mounting plate through a pin shaft, the lower end of the shaft sleeve is hinged with a second oscillating rod through a pin shaft, the lower end of the second oscillating rod is hinged with the bottom end of the inner wall of the protective shell through a pin shaft, and a second spring is fixedly connected between the first oscillating rod and the second oscillating rod;
the upper end of the protective shell is in threaded connection with a cover plate, and the upper end of the cover plate is connected with a rotary table;
the both sides of mounting panel are connected with the slider respectively, just the inner wall both sides of protecting sheathing are seted up with slider assorted spout.
2. The multi-arm spiral-based multi-star single-frequency antenna as claimed in claim 1, wherein the supporting devices are symmetrically arranged on two sides of the lower end of the mounting frame, each supporting device comprises a loop bar, a supporting rod is inserted into the upper end of each supporting device, the upper end of each supporting rod is connected with the mounting frame, and a spring ring is arranged between the lower end of each supporting rod and the bottom of an inner cavity of each loop bar.
3. The multi-arm spiral-based multi-star single-frequency antenna as claimed in claim 1, wherein a drain hole is uniformly formed in the middle of the lower end of the mounting bracket.
4. The multi-arm spiral-based multi-star single-frequency antenna of claim 1, wherein a wire through hole is formed in one side of the outer wall of the protective shell, and the wire through hole is matched with the antenna body for use.
5. The multi-arm spiral-based multi-star single-frequency antenna as claimed in claim 1, wherein the upper end of the mounting plate is provided with a groove matched with the antenna body, and a rubber pad is arranged inside the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811171393.7A CN109301483B (en) | 2018-10-10 | 2018-10-10 | Multi-star single-frequency antenna based on multi-arm spiral |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811171393.7A CN109301483B (en) | 2018-10-10 | 2018-10-10 | Multi-star single-frequency antenna based on multi-arm spiral |
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| CN109301483A CN109301483A (en) | 2019-02-01 |
| CN109301483B true CN109301483B (en) | 2021-05-11 |
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| CN201811171393.7A Active CN109301483B (en) | 2018-10-10 | 2018-10-10 | Multi-star single-frequency antenna based on multi-arm spiral |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112864621A (en) * | 2019-11-12 | 2021-05-28 | 吴夕强 | 5G Internet of things communication antenna and use method thereof |
| CN111641017A (en) * | 2020-05-28 | 2020-09-08 | 深圳市晓控通信科技有限公司 | High antenna of security |
| CN112543031B (en) * | 2020-12-09 | 2021-11-26 | 南京途琼电子科技有限公司 | Signal receiving device with anti-interference mechanism |
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| EP2262056A1 (en) * | 2009-06-10 | 2010-12-15 | Constructions Mecaniques de Normandie | Transducer assembly and vehicle comprising such assembly. |
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| CN205452515U (en) * | 2016-01-04 | 2016-08-10 | 深圳市顶一精密五金有限公司 | Rotary device of outdoor short wave antenna |
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| CN205790329U (en) * | 2016-07-01 | 2016-12-07 | 成都紫瑞青云航空宇航技术有限公司 | A kind of antenna holder |
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| WO2010062915A1 (en) * | 2008-11-26 | 2010-06-03 | Echostar Technologies L.L.C. | Adjustment mechanism for dish antenna system |
| EP2262056A1 (en) * | 2009-06-10 | 2010-12-15 | Constructions Mecaniques de Normandie | Transducer assembly and vehicle comprising such assembly. |
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| CN109301483A (en) | 2019-02-01 |
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