CN113948856B - GNSS helical antenna - Google Patents
GNSS helical antenna Download PDFInfo
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- CN113948856B CN113948856B CN202111298439.3A CN202111298439A CN113948856B CN 113948856 B CN113948856 B CN 113948856B CN 202111298439 A CN202111298439 A CN 202111298439A CN 113948856 B CN113948856 B CN 113948856B
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- 230000007246 mechanism Effects 0.000 claims abstract description 17
- 239000002184 metal Substances 0.000 claims description 72
- 230000000087 stabilizing effect Effects 0.000 claims description 44
- 230000005855 radiation Effects 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 230000006978 adaptation Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 7
- 238000001125 extrusion Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- H01Q1/362—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith for broadside radiating helical antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/20—Resilient mountings
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
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Abstract
The invention discloses a GNSS spiral antenna, which comprises a signal receiving reflector main body, a GNSS spiral antenna assembly and an antenna diameter adjusting mechanism, wherein the signal receiving reflector main body is used for reflecting and expanding signals sent by a GNSS, the GNSS spiral antenna assembly is arranged on the signal receiving reflector main body, and the antenna diameter adjusting mechanism is arranged on the outer side of the GNSS spiral antenna assembly.
Description
Technical Field
The invention relates to the technical field of spiral antennas, in particular to a GNSS spiral antenna.
Background
The spiral antenna is an antenna with a spiral shape, the spiral antenna is generally connected with a receiver through a data wire and consists of a metal spiral wire with good electrical conductivity, a coaxial wire is generally used for feeding, the coaxial wire is connected with one end of the spiral wire, an outer conductor of the coaxial wire is connected with a grounded metal net (or plate), the radiation direction of the spiral antenna is related to the circumference of the spiral wire, and when the circumference of the spiral wire is much smaller than a wavelength, the strongest radiation direction is perpendicular to a spiral shaft; when the circumference of the spiral is of the order of one wavelength, the strongest radiation occurs in the direction of the spiral axis.
In the installation of the existing GNSS helical antenna, a device for adjusting the diameter of the antenna is lacking, most GNSS helical antennas are always fixedly connected with a reflector, the radius of a helical part of the GNSS helical antenna is between one eighth and one quarter of wavelength, the minimum dimension of the antenna depends on the frequency of a low-frequency signal, the radiation mode of the antenna is related to the diameter of the antenna, and due to the lack of a device for adjusting the diameter of the GNSS helical antenna in the installation process, the diameter of the GNSS helical antenna cannot be adaptively adjusted, so that the change of the radiation mode of the GNSS helical antenna is not realized.
Disclosure of Invention
The invention aims to provide a GNSS spiral antenna, which aims to solve the problems that the existing GNSS spiral antenna is lack of a device for adjusting the diameter of the antenna, most GNSS spiral antennas are always fixedly connected with a reflector, the radius of a spiral part of the GNSS spiral antenna is between one eighth and one fourth of the wavelength, the minimum dimension of the antenna depends on the frequency of a low-frequency signal, the radiation mode of the antenna is related to the diameter of the antenna, and the diameter of the GNSS spiral antenna cannot be adjusted adaptively due to the lack of the device for adjusting the diameter of the GNSS spiral antenna in the installation process, so that the change of the radiation mode of the GNSS spiral antenna is not realized.
In order to solve the technical problems, the invention specifically provides the following technical scheme:
A GNSS helical antenna is provided with:
A signal receiving reflector body for reflecting and amplifying signals emitted by the GNSS;
The GNSS spiral antenna assembly is arranged on the signal receiving reflector main body and is used for receiving signals with different wave bands and radiation modes sent by GNSS, and the GNSS spiral antenna assembly consists of a middle supporting connecting column and a metal spiral connecting line arranged on the outer side of the middle connecting column;
The antenna diameter adjusting mechanism is arranged on the outer side of the GNSS spiral antenna assembly and is used for adjusting the receiving diameter of the metal spiral connecting wire on the GNSS spiral antenna assembly so that the metal spiral connecting wire can complete data transmission of different wireless signals on the managed wireless terminal node;
The antenna diameter adjusting mechanism comprises a diameter adjusting assembly, the diameter adjusting assembly is arranged at the top end of the middle supporting connecting column, the diameter adjusting assembly is connected with the top end of the metal spiral connecting line, an adjusting and stabilizing supporting assembly and a bottom end stress bearing assembly are further arranged on the metal spiral connecting line, the diameter adjusting assembly is used for adjusting the unfolding diameter of the top end of the metal spiral connecting line, the adjusting and stabilizing supporting assembly is used for adjusting the bottom end diameter of the metal spiral connecting line, and the bottom end stress bearing assembly is used for providing stable support for the adjusted metal spiral connecting line.
As a preferable scheme of the invention, the diameter adjusting assembly comprises a top screw hole vertically arranged on the middle support connecting column, an adjusting screw is inserted into the top screw hole, a top rotating handle is arranged at the top end of the adjusting screw, a rotating fixing sleeve is arranged on the outer side rotating sleeve at the top end of the adjusting screw, a side connecting rod is arranged on the outer side of the rotating fixing sleeve, and a pushing connecting rod is vertically arranged at the bottom end of the side connecting rod.
As a preferable scheme of the invention, a fixed sliding sleeve is movably sleeved on the outer side of the top end of the middle support connecting column, the tail end of the pushing connecting rod is connected with the outer side of the fixed sliding sleeve, and a sliding inner cavity is arranged in the fixed sliding sleeve.
As a preferable scheme of the invention, an abutting sliding block is arranged in the sliding inner cavity in a sliding way, the abutting sliding block is connected with the inside of the sliding inner cavity through an abutting spring, a side chute matched with the abutting sliding block is arranged on the outer side of the middle supporting connecting column, and the abutting sliding block is arranged in the side chute in a sliding way.
As a preferable scheme of the invention, the adjusting and stabilizing support assembly comprises side stabilizing support plates, wherein the side stabilizing support plates are symmetrically arranged on two sides of the metal spiral connecting wire, the side stabilizing support plates are vertically connected with the top end surface of the signal receiving reflector main body, the inner side surfaces of the side stabilizing support plates are provided with stabilizing sliding grooves, and the inner parts of the stabilizing sliding grooves are slidably provided with first sliding blocks.
As a preferable scheme of the invention, a first spring connecting seat is arranged at the end part of the first sliding block, a first antenna connecting block is arranged at the outer side of the metal spiral connecting wire, and the first antenna connecting block is connected with the first spring connecting seat through a first stable spring.
As a preferable scheme of the invention, a second sliding block which is embedded in the stabilizing sliding groove in a sliding way is arranged below the first sliding block, a second spring connecting seat is arranged at the end part of the second sliding block, a second antenna connecting block is further arranged on the outer side of the metal spiral connecting wire, and the second antenna connecting block is connected with the second spring connecting seat through a second stabilizing spring.
As a preferable scheme of the invention, the bottom stress bearing assembly comprises a stress base, wherein the stress base is arranged at the bottom end of the metal spiral connecting wire, a supporting groove is formed in the stress base, a supporting strut is vertically and slidably arranged in the supporting groove, and the bottom end of the supporting strut is vertically connected with the top end face of the signal receiving reflector main body.
As a preferable scheme of the invention, one side of the top end of the supporting strut is provided with an inner slot, the outer side of the stressed base is vertically and slidably inserted with an outer side inserted rod, and the tail end of the outer side inserted rod extends into the inner slot.
As a preferable scheme of the invention, a reset spring is sleeved outside the outer inserting rod, one end of the reset spring is connected with the stressed base, and the other end of the reset spring is connected with the outer inserting rod.
Compared with the prior art, the invention has the following beneficial effects:
According to the invention, the antenna diameter adjusting mechanism is arranged on the GNSS spiral antenna assembly, and can be used for adaptively adjusting the diameter of the GNSS spiral antenna, so that the change of the GNSS spiral antenna radiation mode is realized, and signals with different wavelengths are received, wherein the diameter adjusting assembly and the adjusting and stabilizing support assembly in the antenna diameter adjusting mechanism are mutually matched, the metal spiral connecting wire is extruded by the diameter adjusting assembly, the transverse unfolding distance of the metal spiral connecting wire is changed, the increase of the receiving diameter of the metal spiral connecting wire is further realized, the side edge of the metal spiral connecting wire is supported and fixed by the adjusting and stabilizing support assembly in the process of directly increasing the metal spiral connecting wire, the metal spiral connecting wire is more stable in the process of increasing the transverse diameter, and the metal spiral connecting wire is prevented from being wound due to irregular deformation in the process of being rapidly extruded, so that the user can conveniently change the GNSS spiral antenna radiation mode.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those of ordinary skill in the art that the drawings in the following description are exemplary only and that other implementations can be obtained from the extensions of the drawings provided without inventive effort.
Fig. 1 is a schematic diagram of an overall embodiment of the present invention.
Fig. 2 is an internal schematic diagram provided in an embodiment of the present invention.
Fig. 3 is a cross-sectional view of the diameter adjustment assembly of fig. 2 provided in accordance with an embodiment of the present invention.
Fig. 4 is a cross-sectional view of the adjustable stabilized support assembly of fig. 2 provided in accordance with an embodiment of the present invention.
Figure 5 is a cross-sectional view of the bottom end-receiving support assembly of figure 2 according to an embodiment of the present invention.
Reference numerals in the drawings are respectively as follows:
1-a signal receiving reflector body; a 2-GNSS helical antenna assembly; 3-an antenna diameter adjustment mechanism;
30-diameter adjustment assembly; 32-adjusting the stable support assembly; 33-a bottom end force bearing assembly;
301-top screw holes; 302-adjusting the screw; 303-top turning handle; 304-rotating the fixed sleeve; 305-side connecting rods; 306-pushing the connecting rod; 307-fixed sliding sleeve; 308-sliding lumen; 309-an interference spring; 310-abutting the slider; 311-side chute;
320-side stabilizing support plates; 321-a stable chute; 322-a first slider; 323-a first spring connection base; 324-a first antenna connection block; 325-a first stabilizing spring; 326-a second slider; 327-a second spring connector; 328-second antenna connection block; 329-a second stabilizing spring;
330-a stressed base; 331-support grooves; 332-supporting struts; 333-internal slots; 334-outboard plunger; 335-return spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 5, the present invention provides a GNSS helical antenna, comprising:
A signal receiving reflector body 1 for reflecting signals emitted by the enlarged GNSS;
The GNSS spiral antenna assembly 2 is arranged on the signal receiving reflector main body 1, the GNSS spiral antenna assembly 2 is used for receiving signals of different wave bands and radiation modes emitted by GNSS, and the GNSS spiral antenna assembly 2 consists of a middle supporting connecting column and a metal spiral connecting line arranged on the outer side of the middle connecting column;
The antenna diameter adjusting mechanism 3 is arranged at the outer side of the GNSS spiral antenna assembly 2, and the antenna diameter adjusting mechanism 3 is used for adjusting the receiving diameter of the metal spiral connecting wire on the GNSS spiral antenna assembly 2 so that the metal spiral connecting wire can complete data transmission of different wireless signals on the managed wireless terminal node;
Wherein, antenna diameter adjustment mechanism 3 includes diameter adjustment subassembly 30, diameter adjustment subassembly 30 sets up the top at the middle part support spliced pole, and diameter adjustment subassembly 30 links to each other with the top of metal spiral connecting wire, still be provided with on the metal spiral connecting wire and adjust stable supporting component 32 and bottom atress bearing component 33, diameter adjustment subassembly 30 is used for adjusting the expansion diameter on metal spiral connecting wire top, adjust stable supporting component 32 and be used for adjusting the bottom diameter of metal spiral connecting wire, bottom atress bearing component 33 is used for providing stable support to the metal spiral connecting wire after the adjustment.
In this embodiment, since the conventional GNSS helical antennas are generally fixed and connected by soldering, the soldering method increases the stability of the GNSS helical antennas, but the diameters of the GNSS helical antennas are relatively fixed, the radius of the helical portion of the GNSS helical antennas is between one eighth and one quarter wavelength, the minimum dimension of the antennas depends on the frequency of the low-frequency signal, the radiation mode of the antennas is related to the diameters of the antennas, if the signals in different radiation modes need to be received, the user can only set up multiple groups of GNSS helical antennas with different diameters to meet the demands of the user, and the multiple groups of GNSS helical antennas not only greatly increase the cost, but also increase many troubles for later maintenance and installation, which is unfavorable for people.
In order to satisfy the user and receive the signal under the different radiation modes, through set up antenna diameter adjustment mechanism 3 on GNSS helical antenna subassembly 2, antenna diameter adjustment mechanism 3 can carry out the adjustment of adaptability to GNSS helical antenna's diameter, thereby accomplish and receive the signal to different radiation modes, wherein the inside diameter adjustment subassembly 30 of antenna diameter adjustment mechanism 3 sets up the top of middle part support spliced pole in GNSS helical antenna subassembly 2, and link to each other with metal spiral connecting wire's top, through the regulation to antenna diameter adjustment mechanism 3, can be appropriate compress to metal spiral connecting wire, make the clearance between the connecting wire reduce to some extent, and then make the transverse direction of metal spiral connecting wire obtain certain expansion, thereby the diameter of metal spiral connecting wire has been enlarged, and adjust the 32 sides of steady support subassembly and be through diameter adjustment subassembly 30 to the compression of metal spiral connecting wire, make the metal spiral connecting wire can be limited to fix in a certain scope in the transversely expanding, avoid the metal spiral connecting wire to take place the winding in the in-process of transversely expanding, and adjust steady support subassembly 32 still to provide certain stability to the side of metal spiral connecting wire expansion, make its steady support effect and weld the bottom and make it steadily to be compressed and be close to the bottom of metal spiral connecting wire when the expansion is compressed in order to use the side of the expansion of metal spiral connecting wire to receive the diameter of the side more rapid expansion, and the bottom is compressed and is more stable and is compressed and more than the bottom than the side of the metal spiral connecting wire is compressed and compressed.
As shown in fig. 1 to 3, in this embodiment, the diameter adjusting assembly 30 includes a top screw hole 301 vertically disposed on a middle support connecting column, an adjusting screw 302 is inserted in the top screw hole 301, a top end of the adjusting screw 302 is provided with a top end rotating handle 303, an outer side rotating sleeve on the top end of the adjusting screw 302 is provided with a rotating fixing sleeve 304, a side connecting rod 305 is disposed on the outer side of the rotating fixing sleeve 304, a pushing connecting rod 306 is vertically disposed at the bottom end of the side connecting rod 305, a fixing sliding sleeve 307 is disposed on the outer side movable sleeve on the top end of the middle support connecting column, the tail end of the pushing connecting rod 306 is connected with the outer side of the fixing sliding sleeve 307, a sliding cavity 308 is disposed in the fixing sliding sleeve 307, a supporting sliding slider 310 is slidably disposed in the sliding cavity 308, a supporting spring 309 is disposed between the supporting slider 310 and the sliding cavity 308, a side sliding slot 311 adapted to the supporting slider 310 is disposed on the outer side of the middle support connecting column, and the supporting slider 310 is slidably disposed in the side sliding slot 311.
Further, as can be seen from the above description, when the receiving diameter of the metal spiral connecting wire needs to be enlarged, the user drives the adjusting screw 302 to rotate by rotating the top rotating handle 303, the adjusting screw 302 is matched with the top screw 301 through threads, the rotating fixing sleeve 304 is rotatably arranged on the outer side of the top of the adjusting screw 302 through the bearing, when the adjusting screw 302 rotates, the rotating fixing sleeve 304 gradually stretches into the top screw 301, so as to drive the rotating fixing sleeve 304 to move downwards, further drive the side connecting rod 305 connected with the side of the rotating fixing sleeve 304 to move, drive the pushing connecting rod 306 vertically arranged on the side connecting rod 305 to move downwards, and the bottom end of the pushing connecting rod 306 is fixedly connected with the top of the fixing sliding sleeve 307, and the outer side of the fixing sliding sleeve 307 is connected with the top of the metal spiral connecting wire.
And the inside slip of fixed sliding sleeve 307 is provided with conflict slider 310, conflict slider 310 links to each other through conflict spring 309 with sliding inner chamber 308 inner wall, conflict spring 309 is contradicted conflict slider 310 through self resilience force, make conflict slider 310 and the side spout 311 laminating that the middle part supports the spliced pole outside and offer inseparabler, thereby make the stable cover of fixed sliding sleeve 307 establish in the outside on middle part support spliced pole top, gradually move down under the promotion of promotion connecting rod 306, make conflict slider 310 slowly slide in side spout 311, constantly compress the metal spiral connecting wire of connecting in the outside of fixed sliding sleeve 307, make its longitudinal distance diminish, lateral distance increases, and then increased its receiving diameter, make the metal spiral connecting wire receive according to user's needs to the signal of different radiation pattern outgoing.
As shown in fig. 1 to 4, in the present embodiment, the adjusting and stabilizing support assembly 32 includes a side stabilizing support plate 320, the side stabilizing support plate 320 is symmetrically disposed on two sides of a metal spiral connecting wire, the side stabilizing support plate 320 is vertically connected with a top end surface of the signal receiving reflector body 1, a stabilizing slide slot 321 is disposed on an inner side surface of the side stabilizing support plate 320, a first slide block 322 is slidably disposed in the stabilizing slide slot 321, a first spring connecting seat 323 is disposed at an end portion of the first slide block 322, a first stabilizing spring 325 is disposed on an outer side of the metal spiral connecting wire, the first antenna connecting seat 324 is connected with the first spring connecting seat 323 through a first stabilizing spring 325 disposed, a second slide block 326 is disposed under the first slide block 322 and slidably embedded in the stabilizing slide slot 321, a second spring connecting seat 327 is disposed at an end portion of the second slide block 326, and a second antenna connecting seat 328 is further disposed on an outer side of the metal spiral connecting wire, and the second antenna connecting seat 328 is connected with the second spring connecting seat 327 through a second stabilizing spring 329 disposed.
Further, when the metal spiral connection wire on the GNSS spiral antenna assembly 2 is subjected to the transverse extrusion of the diameter adjusting assembly 30, the first antenna connection block 324 and the second antenna connection block 328 connected thereto move along with the transverse expansion movement of the metal spiral connection wire, and the first stabilizing spring 325 connected to the first slider 322 and the second stabilizing spring 329 connected to the second slider 326 are extruded, because the resilience force of the first stabilizing spring 325 and the second stabilizing spring 329 is far smaller than the transverse expansion force of the metal spiral connection wire on the GNSS spiral antenna assembly 2, the first stabilizing spring 325 and the second stabilizing spring 329 will deform to a certain extent, and further drive the first slider 322 and the second slider 326 to slide in the stabilizing chute 321 formed on the side stabilizing support plate 320, so that the metal spiral connection wire is more stable in the transverse expansion process, and will not be wound too quickly due to the excessive extrusion force of the metal spiral connection wire, so that the metal spiral connection wire is more stable in the diameter-enlarging process.
As shown in fig. 1 to 5, in the present embodiment, the bottom end force bearing member 33 includes a force bearing base 330, the force bearing base 330 is disposed at the bottom end of the metal spiral connection line, a support groove 331 is disposed inside the force bearing base 330, a support strut 332 is vertically slidably disposed inside the support groove 331, the bottom end of the support strut 332 is vertically connected with the top end surface of the signal receiving reflector body 1, an inner slot 333 is disposed at one side of the top end of the support strut 332, an outer side insert rod 334 is vertically slidably inserted into the outer side of the force bearing base 330, the end of the outer side insert rod 334 extends into the inner slot 333, a return spring 335 is sleeved outside the outer side of the outer side insert rod 334, one end of the return spring 335 is connected with the force bearing base 330, and the other end of the return spring 335 is connected with the outer side insert rod 334.
In view of this, in order to make on the GNSS helical antenna subassembly 2 metal spiral connecting wire bottom receive the extrusion also can keep stable gesture, and more make things convenient for the user to the dismantlement of metal spiral connecting wire when metal spiral connecting wire appears damaging, through set up atress base 330 in the bottom of metal spiral connecting wire, be provided with the support recess 331 in the bottom of atress base 330, it is equipped with support branch 332 to insert in the inside of support recess 331, the bottom of support branch 332 links to each other perpendicularly with signal receiving reflector main part 1, make the metal spiral connecting wire receive the conflict of support branch 332 when receiving the extrusion downwardly moving, and prevent transition extrusion deformation, and through the outside inserted link 334 of inserting at the side of atress base 330, fixed connection between inside slot 333 and atress base 330 that can be very fast, reset spring 335 plays certain reset action, make it make things convenient for the operation of user.
The above embodiments are only exemplary embodiments of the present application and are not intended to limit the present application, the scope of which is defined by the claims. Various modifications and equivalent arrangements of this application will occur to those skilled in the art, and are intended to be within the spirit and scope of the application.
Claims (10)
1. A GNSS helical antenna comprising:
A signal receiving reflector body (1) for reflecting signals emitted by the enlarged GNSS;
the GNSS spiral antenna assembly (2) is arranged on the signal receiving reflector main body (1), the GNSS spiral antenna assembly (2) is used for receiving signals with different wave bands and radiation modes sent by GNSS, and the GNSS spiral antenna assembly (2) is composed of a middle supporting connecting column and a metal spiral connecting line arranged on the outer side of the middle connecting column;
The antenna diameter adjusting mechanism (3) is arranged at the outer side of the GNSS spiral antenna assembly (2), and the antenna diameter adjusting mechanism (3) is used for adjusting the receiving diameter of the metal spiral connecting wire on the GNSS spiral antenna assembly (2) so that the metal spiral connecting wire can complete different wireless signal data transmission on the managed wireless terminal node;
The antenna diameter adjusting mechanism (3) comprises a diameter adjusting component (30), the diameter adjusting component (30) is arranged at the top end of the middle supporting connecting column, the diameter adjusting component (30) is connected with the top end of the metal spiral connecting line, an adjusting and stabilizing supporting component (32) and a bottom end stress supporting component (33) are further arranged on the metal spiral connecting line, the diameter adjusting component (30) is used for adjusting the unfolding diameter of the top end of the metal spiral connecting line, the adjusting and stabilizing supporting component (32) is used for adjusting the bottom end diameter of the metal spiral connecting line, and the bottom end stress supporting component (33) is used for providing stable support for the adjusted metal spiral connecting line.
2. A GNSS spiral antenna according to claim 1 wherein: diameter adjustment subassembly (30) are in including vertical setting top screw (301) on the middle part supports the spliced pole, the inside of top screw (301) is inserted and is equipped with adjusting screw (302), the top of adjusting screw (302) is provided with top and changes handle (303), the outside on adjusting screw (302) top rotates the cover and is equipped with rotates fixed cover (304), the outside of rotating fixed cover (304) is provided with side connecting rod (305), the bottom of side connecting rod (305) is provided with perpendicularly and promotes connecting rod (306).
3. A GNSS spiral antenna according to claim 2 wherein: the outside movable sleeve at middle part support spliced pole top is equipped with fixed sliding sleeve (307), the end of promotion connecting rod (306) with fixed sliding sleeve (307) outside links to each other, the inside of fixed sliding sleeve (307) is provided with slip inner chamber (308).
4. A GNSS spiral antenna according to claim 3 wherein: the inside slip of sliding inner chamber (308) is provided with conflict slider (310), conflict slider (310) with link to each other through conflict spring (309) that set up between the inside of sliding inner chamber (308), the outside of middle part support spliced pole be provided with side spout (311) of conflict slider (310) looks adaptation, conflict slider (310) slip sets up in side spout (311).
5. A GNSS spiral antenna according to claim 4 wherein: the adjusting and stabilizing support assembly (32) comprises side stabilizing support plates (320), the side stabilizing support plates (320) are symmetrically arranged on two sides of the metal spiral connecting line, the side stabilizing support plates (320) are vertically connected with the top end face of the signal receiving reflector main body (1), stabilizing sliding grooves (321) are formed in the inner side faces of the side stabilizing support plates (320), and first sliding blocks (322) are arranged in the stabilizing sliding grooves (321) in a sliding mode.
6. A GNSS spiral antenna according to claim 5 wherein: the end of the first sliding block (322) is provided with a first spring connecting seat (323), the outer side of the metal spiral connecting wire is provided with a first antenna connecting block (324), and the first antenna connecting block (324) is connected with the first spring connecting seat (323) through a first stable spring (325) arranged between the first antenna connecting block and the first spring connecting seat.
7. A GNSS spiral antenna according to claim 6 wherein: the utility model discloses a stable sliding chute, including first slider (322), second slider (326) and metal spiral connecting wire, the below of first slider (322) is provided with the slip and inlays to be established inside second slider (326) of stable sliding chute (321), the tip of second slider (326) is provided with second spring coupling seat (327), the outside of metal spiral connecting wire still is provided with second antenna connection piece (328), second antenna connection piece (328) with link to each other through second firm spring (329) that set up between second spring coupling seat (327).
8. A GNSS spiral antenna according to claim 1 wherein: the bottom atress bearing subassembly (33) is including atress base (330), atress base (330) set up the bottom of metal spiral connecting wire, the inside of atress base (330) is provided with support recess (331), the inside vertical slip of support recess (331) is provided with support branch (332), the bottom of support branch (332) with the top face of signal receiving reflector main part (1) links to each other perpendicularly.
9. A GNSS spiral antenna according to claim 8 wherein: one side at support branch (332) top is provided with inside slot (333), the outside of atress base (330) slides perpendicularly and inserts and be equipped with outside inserted bar (334), the end of outside inserted bar (334) extends to in inside slot (333).
10. A GNSS spiral antenna according to claim 9 wherein: the outside cover of outside inserted bar (334) is equipped with reset spring (335), reset spring (335) one end with atress base (330) link to each other, reset spring (335) the other end with outside inserted bar (334).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298439.3A CN113948856B (en) | 2021-11-04 | 2021-11-04 | GNSS helical antenna |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111298439.3A CN113948856B (en) | 2021-11-04 | 2021-11-04 | GNSS helical antenna |
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| Publication Number | Publication Date |
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| CN113948856A CN113948856A (en) | 2022-01-18 |
| CN113948856B true CN113948856B (en) | 2024-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202111298439.3A Active CN113948856B (en) | 2021-11-04 | 2021-11-04 | GNSS helical antenna |
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| CN210430090U (en) * | 2019-09-11 | 2020-04-28 | 西安矩阵无线科技有限公司 | Single-arm helical antenna structure |
| CN112271435A (en) * | 2020-08-19 | 2021-01-26 | 深圳市维力谷无线技术股份有限公司 | Novel high-precision positioning antenna |
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2021
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| CN102055077A (en) * | 2009-10-29 | 2011-05-11 | 西安空间无线电技术研究所 | Linearly polarized broadband backfire helical antenna |
| CN105742819A (en) * | 2016-03-01 | 2016-07-06 | 广东轻工职业技术学院 | Apparatus and method for adjusting diameter of spiral antenna, and spiral antenna |
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| CN113948856A (en) | 2022-01-18 |
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