CN211350926U - Three-frequency antenna - Google Patents

Three-frequency antenna Download PDF

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Publication number
CN211350926U
CN211350926U CN201922394528.2U CN201922394528U CN211350926U CN 211350926 U CN211350926 U CN 211350926U CN 201922394528 U CN201922394528 U CN 201922394528U CN 211350926 U CN211350926 U CN 211350926U
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China
Prior art keywords
antenna
cable
hole
radio frequency
fixing nut
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CN201922394528.2U
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Chinese (zh)
Inventor
黄凯
刘迎滨
张琳
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Shijiazhuang Hengjun Communication Technology Co ltd
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Shijiazhuang Hengjun Communication Technology Co ltd
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Abstract

The utility model provides a three-frequency antenna, which mainly comprises a base, a sleeve, an elastic piece and an antenna main body, wherein, the base comprises a mounting plate and a convex column connected with one side of the mounting plate, and a via hole which is arranged by penetrating the mounting plate and the convex column is formed in the mounting plate and the convex column; a connecting hole is formed in the sleeve; two ends of the elastic piece are respectively screwed outside the convex column and the sleeve; the antenna main body comprises a mounting seat arranged at the connecting hole, an inner hollow tube body fixedly connected to the mounting seat, and a first antenna, a second antenna and a third antenna which are arranged in the tube body from top to bottom. Three frequency antennas, use the communication requirement that same pair of antenna can realize three kinds of different frequencies, and its shock resistance is strong, be fit for on-vehicle application, still be applicable to open-air adverse circumstances operation.

Description

Three-frequency antenna
Technical Field
The utility model relates to the technical field of antennas, in particular to three frequency antennas.
Background
One requirement that equipment in modern combat is simple, compact, and not easily lost or damaged is important. In modern communication systems, due to different frequency channels and different purposes, one communication system is often implemented by using antennas with multiple frequencies, which causes many troubles in installation and carrying due to the fact that the antennas are various.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a triple-band antenna, which is suitable for three frequency requirements and is convenient for application.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a tri-band antenna mounted on an external carrier, the tri-band antenna comprising:
the base comprises a mounting plate and a convex column connected to one side of the mounting plate, and through holes arranged in the mounting plate and the convex column in a penetrating way are formed in the mounting plate and the convex column;
the sleeve is internally provided with a connecting hole;
the two ends of the elastic piece are respectively screwed outside the convex column and the sleeve;
the antenna main part, including install in the mount pad of connecting hole department links firmly in inside hollow body on the mount pad, and locate in the body, and from last first antenna, second antenna and the third antenna of arranging down, just first antenna includes first antenna body and first radio frequency cable, the second antenna includes second antenna body and second radio frequency cable, the third antenna includes third antenna body and third radio frequency cable, first radio frequency cable the second radio frequency cable with the lower part of third radio frequency cable is all certainly the lower part of body stretches out, and wears to pass through in proper order the mount pad the connecting hole wear out behind the via hole.
Further, a mounting hole is formed in the mounting plate, and the base is fixedly arranged on the external carrier through a connecting piece penetrating through the mounting hole.
Furthermore, the mounting seat comprises an antenna fixing stud connected with the connecting hole in a threaded manner, and an antenna fixing nut connected with the antenna fixing stud in a threaded manner, an antenna fixing connecting piece with a flange is fixed at the lower end of the tube body, an antenna fixing nut through hole is formed in the antenna fixing nut, and an antenna fixing nut baffle ring formed at one end of the antenna fixing nut through hole; and because the antenna fixing nut is connected with the screw joint of the antenna fixing stud, the flange is limited in the antenna fixing nut through hole.
Furthermore, an antenna fixing stud via hole is formed in the antenna fixing stud, a connector adapter plate is fixedly connected to the other end of the antenna fixing stud relative to one end connected with the sleeve, and a support column is arranged between the connector adapter plate and the flange; the first radio frequency cable comprises a first upper cable and a first lower cable which are arranged on two sides of the connector adapter disc and connected together; the second radio frequency cable comprises a second upper cable and a second lower cable which are arranged on two sides of the connector adapter disc and connected together; the third radio frequency cable comprises a third upper cable and a third lower cable which are arranged on two sides of the connector adapter disc and connected together.
Further, the tube body includes an upper tube body and a lower tube body which are detachably connected, and the first antenna body is disposed in the upper tube body, and the second antenna body and the third antenna body are disposed in the lower tube body from top to bottom.
Further, a tube fixing stud is fixed on the upper portion of the lower tube body, a tube fixing nut is screwed with the tube fixing stud, a tube fixing connector with a convex ring is fixed at the lower end of the upper tube body, a tube fixing nut through hole and a tube fixing nut retaining ring are formed in one end of the tube fixing nut through hole; and because the antenna fixing nut is connected with the bolt of the antenna fixing stud bolt in a threaded manner, the convex ring is limited in the through hole of the tube body fixing nut.
Furthermore, a tube body fixing stud via hole is formed in the tube body fixing stud, a fixing stud retaining ring is constructed at the other end of the tube body fixing stud relative to one end connected with the lower tube body, and a cable connection supporting piece is arranged between the fixing stud retaining ring and the convex ring.
Furthermore, a sealing cover is sealed at the upper part of the upper pipe body.
Further, the first antenna, the second antenna and the third antenna are all symmetric dipole antennas.
Furthermore, the first antenna body, the second antenna body and the third antenna body all include a plurality of array units that concatenate and arrange, array unit includes two arrays of symmetrical arrangement, two the one end that the array meets all is the toper, and two the path end of array is adjacent to be arranged, first radio frequency cable or the second radio frequency cable or the third radio frequency cable all includes the cable core to and the cable shielding layer of cover locating outside the cable core, the cable core with one of them array of array unit is connected, the cable shielding layer with another array of array unit is connected.
Compared with the prior art, the utility model discloses following advantage has:
1. three frequency antennas, use same vice antenna and can realize the communication requirement of three kinds of different frequencies.
2. The shock resistance is strong, and the vehicle-mounted device is suitable for vehicle-mounted application.
3. Is suitable for field severe environment operation.
4. The operation does not need any tool, and the use is convenient.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of a tri-band antenna according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1 without the first, second, and third antennas assembled;
FIG. 3 is a schematic view of the lower structure of FIG. 2;
FIG. 4 is an enlarged view of portion A of FIG. 2;
fig. 5 is a schematic structural diagram of a lower portion of a tri-band antenna according to an embodiment of the present invention;
fig. 6 is a schematic view of an upper structure of a tri-band antenna according to an embodiment of the present invention;
fig. 7 is a schematic structural diagram of an array subunit according to an embodiment of the present invention;
description of reference numerals:
1-base, 101-mounting plate, 102-boss, 103-via hole, 104-mounting hole, 2-bolt, 3-sleeve, 301-connection hole, 4-elastic piece, 5-antenna fixing stud, 501-antenna fixing stud via hole, 6-antenna fixing nut, 601-antenna fixing nut baffle ring, 7-connector adapter plate, 8-antenna fixing connector, 801-flange, 9-tube fixing stud, 901-fixing stud baffle ring, 10-tube fixing nut, tube fixing nut baffle ring, 1001-first radio frequency cable, 12-second radio frequency cable, 13-third radio frequency cable, 14-screw, 15-upper tube, 16-lower tube, 17-tube fixing connector, 1701-bulge loop, 18-sealing cover, 19-cable connecting support, 20-array, 21-first antenna body, 22-second antenna body, 23-third antenna body, 24-cable core and 25-cable shielding layer.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
The present embodiment relates to a triple-band antenna, as shown in fig. 1 and fig. 2, which is mounted on an external carrier, and in the present embodiment, the triple-band antenna is described by taking the external carrier as an example of a vehicle body, and mainly includes a base 1, a sleeve 3, an elastic member 4, and an antenna main body.
In order to facilitate a better understanding of the present embodiment, the structure of the base 1 will be briefly described below with reference to fig. 3. The base 1 mainly comprises a mounting plate 101 and a convex column 102 connected to one side of the mounting plate, wherein the mounting plate 101 and the convex column 102 are integrally formed, and a through hole 103 penetrating through the mounting plate 101 and the convex column 102 is formed in the mounting plate 101 and the convex column 102. In this embodiment, the shape of the mounting plate 101 is not limited to the circular shape shown in fig. 1, and if it is also square, diamond-shaped, etc., four mounting holes 104 are opened on the mounting plate 101, and the four mounting holes 104 are arranged around the circumference of the hole 103, so that the base 1 can be fixedly connected to the vehicle body through the bolt 2 penetrating through the mounting hole 104. It should also be noted here that the base 1 of this construction has a certain water-proof property. In addition, the bolt 2 described here constitutes a connecting element which is relatively easy to assemble and disassemble, but it is of course not only possible to use the bolt 2, but also possible to use pins, rivets, etc., which is only so inconvenient to assemble and disassemble.
Still referring to fig. 3, the sleeve 3 is constructed such that a coupling hole 301 is formed in the sleeve 3, and for convenience of coupling, an internal thread is formed at least at an upper portion of the coupling hole 301, and an upper end of the sleeve 3 is convexly disposed.
The structure of the elastic element 4 can also be seen from fig. 3, in this embodiment, the elastic element 4 is preferably a spring structure, and two ends of the spring are respectively screwed outside the boss 102 and the sleeve 3, so that the base 1 and the sleeve 3 are connected together via the spring, that is, the connection between the base 1 and the sleeve 3 is an elastic connection, and has a better shock resistance.
The structure of the antenna main body is still shown in fig. 1 and fig. 2, and includes a mounting base mounted at the connection hole 301, an internal hollow tube fixedly connected to the mounting base, and a first antenna, a second antenna and a third antenna which are arranged in the tube from top to bottom.
The mounting seat comprises an antenna fixing stud 5 connected with the connecting hole 301 in a threaded manner, and an antenna fixing nut 6 connected with the antenna fixing stud 5 in a threaded manner. In this embodiment, the two ends of the antenna fixing stud 5 are large at the top and small at the bottom, threads are formed on the upper portion and the lower portion of the outer wall of the antenna fixing stud 5, and an antenna fixing stud via 501 is formed in the antenna fixing stud 5.
Relative to one end of the connecting sleeve 3, the other end of the antenna fixing stud 5 is fixedly connected with a connector adapter plate 7, in this embodiment, the connector adapter plate 7 can be fixedly connected to the upper end of the antenna fixing stud 5 through a connecting piece penetrating through the connector, such as a screw 14. Three support columns are fixedly arranged at the upper end of the connector adapter plate 7, and the support columns are arranged between the connector adapter plate 7 and a flange 801 described below. And a cable hole which is arranged in a run-through manner is also formed in the connector adapter disc 7.
An antenna fixing nut through hole is formed in the antenna fixing nut 6, an antenna fixing nut baffle ring 601 formed at one end of the antenna fixing nut through hole is formed, and internal threads are formed on the inner wall of the other end of the antenna fixing nut through hole relative to the end provided with the antenna fixing nut baffle ring 601, so that the antenna fixing stud 5 and the antenna fixing nut 6 can be screwed together.
The tube body comprises an upper tube body 15 and a lower tube body 16 which are detachably connected, the first antenna body 21 is arranged in the upper tube body 15, and the second antenna body 22 and the third antenna body 23 are arranged in the lower tube body 16 from top to bottom.
An antenna fixing connector 8 having a flange 801 is fixed to the lower end of the lower tube 16, the upper portion of the antenna fixing connector 8 is inserted into the lower tube 16, and the antenna fixing connector 8 is connected to the antenna fixing connector 8 by a screw 14 penetrating through the lower tube 16, and is fixed to the lower portion of the lower tube 16. A cable hole which is arranged in a run-through manner is also formed in the antenna fixing connecting piece 8. It should be noted here that, because the antenna fixing nut 6 is screwed to the antenna fixing stud 5, the flange 801 is limited in the antenna fixing nut through hole because the diameter of the flange 801 is larger than the central aperture of the antenna fixing nut baffle ring 601.
Referring to fig. 4, a pipe fixing stud 9 is fixed to an upper portion of the lower pipe 16, and a pipe fixing nut 10 is screwed to the pipe fixing stud 9. The upper portion of the outer wall of the pipe body fixing stud 9 is provided with external threads so as to be connected with the pipe body fixing nut 10 in a threaded manner, a pipe body fixing stud via hole is formed in the pipe body fixing stud 9, the lower portion of the pipe body fixing stud 9 is inserted into the upper portion of the lower pipe body 16, and the pipe body fixing stud 9 is connected with the pipe body fixing stud 9 in a threaded manner through a screw 14 penetrating through the lower pipe body 16 and is fixedly arranged on the upper portion of the pipe body fixing stud 9. A fixing stud retainer 901 is formed at the other end of the pipe body fixing stud 9 with respect to the end to which the lower pipe body 16 is connected, and a cable connecting support 19 is provided between the fixing stud retainer 901 and a below-described collar 1701.
A tube fixing connector 17 having a convex ring 1701 is fixed to the lower end of the upper tube 15, the structure of the tube fixing connector 17 is similar to that of the antenna fixing connector 8 in this embodiment, and the tube fixing connector 17 and the upper tube 15 are connected in a manner similar to that of the antenna fixing connector 8 and the lower tube 16, and detailed description thereof is omitted in this embodiment.
A tube fixing nut via hole is formed in the tube fixing nut 10, and a tube fixing nut retaining ring 1001 is formed at one end of the tube fixing nut via hole. The arrangement of the above structure makes the convex ring 1701 limited in the via hole of the pipe body fixing nut because the antenna fixing nut 6 is connected with the screw of the antenna fixing stud 5 and because the diameter of the convex ring 1701 is larger than the central aperture of the pipe body fixing nut baffle ring 1001.
A sealing cover 18 is sealed on the upper part of the upper tube 15, the lower part of the sealing cover 18 is inserted into the upper end of the upper tube 15, and the upper tube 15 is connected with the sealing cover 18 by a screw 14 penetrating through the upper tube 15 in a screwed manner and is fixedly arranged on the upper part of the upper tube 15.
The first antenna, the second antenna and the third antenna are symmetrical array sub-antennas, the first antenna comprises a first antenna body 21 and a first radio frequency cable 11, the second antenna comprises a second antenna body 22 and a second radio frequency cable 12, the third antenna comprises a third antenna body 23 and a third radio frequency cable 13, the lower parts of the first radio frequency cable 11, the second radio frequency cable 12 and the third radio frequency cable 13 all extend out of the lower part of the tube body, and penetrate out of the installation seat, the connecting hole 301 and the through hole 103 in sequence.
The first radio frequency cable 11 comprises a first upper cable and a first lower cable which are arranged on two sides of the connector adapter disc 7 and connected together; the second radio frequency cable 12 comprises a second upper cable and a second lower cable which are arranged on two sides of the connector adapter disc 7 and connected together; the third rf cable 13 includes a third upper cable and a third lower cable that are disposed on both sides of the connector adapter 7 and connected together.
First antenna body 21, second antenna body 22 and third antenna body 23 all include a plurality of array units of concatenating the arrangement, array unit includes two arrays 20 of symmetrical arrangement, the one end that two arrays 20 meet all is the toper, the other end is cylindrically, and the path end of two arrays 20 is adjacent to be arranged, first radio frequency cable 11 or second radio frequency cable 12 or third radio frequency cable 13 all include cable core 24, and the outer cable shield 25 of cable core 24 is located to the cover, cable core 24 is connected with one of them array 20 of array unit, cable shield 25 is connected with another array 20 of array unit.
It should be further noted that the first antenna body 21 is configured to receive electromagnetic waves with a frequency of 330-.
Finally, it should be noted that the number of the array sub-units of the first antenna body 21, the second antenna body 22 and the third antenna body 23 is not limited to the number shown in fig. 6.
The three-frequency antenna of the embodiment integrates multiple frequency antennas without mutual interference, has the advantages of light weight, compact structure and easiness in installation, can bring great convenience to modern communication, and is used for reference in other antenna designs.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A tri-band antenna mounted on an external carrier, the tri-band antenna comprising:
the base (1) comprises a mounting plate (101) and a convex column (102) connected to one side of the mounting plate (101), and a through hole (103) arranged through the mounting plate (101) and the convex column (102) is formed in the mounting plate (101) and the convex column (102);
a sleeve (3) in which a connection hole (301) is formed in the sleeve (3);
the two ends of the elastic piece (4) are respectively screwed outside the convex column (102) and the sleeve (3);
the antenna main part, including install in the mount pad of connecting hole (301) department links firmly in inside hollow body on the mount pad, and locate in the body, and from last first antenna, second antenna and the third antenna of arranging down, just first antenna includes first antenna body (21) and first radio frequency cable (11), the second antenna includes second antenna body (22) and second radio frequency cable (12), the third antenna includes third antenna body (23) and third radio frequency cable (13), first radio frequency cable (11) second radio frequency cable (12) with the lower part of third radio frequency cable (13) all certainly the lower part of body stretches out, and passes through in proper order the mount pad connecting hole (301) wear out behind hole (103).
2. The tri-band antenna of claim 1, wherein: a mounting hole (104) is formed in the mounting plate (101), and the base (1) is fixedly arranged on the external carrier through a connecting piece penetrating through the mounting hole (104).
3. The tri-band antenna of claim 1, wherein: the mounting seat comprises an antenna fixing stud (5) connected with the connecting hole (301) in a threaded manner, and an antenna fixing nut (6) connected with the antenna fixing stud (5) in a threaded manner, an antenna fixing connecting piece (8) with a flange (801) is fixed at the lower end of the tube body, an antenna fixing nut through hole is formed in the antenna fixing nut (6), and an antenna fixing nut baffle ring (601) is formed at one end of the antenna fixing nut through hole; and because the antenna fixing nut (6) is connected with the antenna fixing stud (5) in a threaded manner, the flange (801) is limited in the antenna fixing nut through hole.
4. The tri-band antenna of claim 3, wherein: an antenna fixing stud through hole (501) is formed in the antenna fixing stud (5), a connector adapter plate (7) is fixedly connected to the other end of the antenna fixing stud (5) relative to one end connected with the sleeve (3), and a support column is arranged between the connector adapter plate (7) and the flange (801); the first radio frequency cable (11) comprises a first upper cable and a first lower cable which are arranged on two sides of the connector adapter plate (7) and connected together; the second radio frequency cable (12) comprises a second upper cable and a second lower cable which are arranged on two sides of the connector adapter plate (7) and connected together; the third radio frequency cable (13) comprises a third upper cable and a third lower cable which are arranged on two sides of the connector adapter plate (7) and connected together.
5. The tri-band antenna of claim 3, wherein: the antenna comprises an upper tube body (15) and a lower tube body (16) which are detachably connected, wherein the first antenna body (21) is arranged in the upper tube body (15), and the second antenna body (22) and the third antenna body (23) are arranged in the lower tube body (16) from top to bottom.
6. The tri-band antenna of claim 5, wherein: a pipe body fixing stud (9) is fixed on the upper part of the lower pipe body (16), a pipe body fixing nut (10) is screwed with the pipe body fixing stud (9), a pipe body fixing connecting piece (17) with a convex ring (1701) is fixed at the lower end of the upper pipe body (15), a pipe body fixing nut through hole and a pipe body fixing nut retaining ring (1001) formed at one end of the pipe body fixing nut through hole are formed in the pipe body fixing nut (10); and because the antenna fixing nut (6) is connected with the antenna fixing stud (5) in a threaded manner, the convex ring (1701) is limited in the through hole of the tube body fixing nut.
7. The tri-band antenna of claim 6, wherein: a pipe body fixing stud via hole is formed in the pipe body fixing stud (9), a fixing stud retaining ring (901) is constructed at the other end of the pipe body fixing stud (9) opposite to the end connected with the lower pipe body (16), and a cable connecting support (19) is arranged between the fixing stud retaining ring (901) and the convex ring (1701).
8. The tri-band antenna of claim 5, wherein: the upper part of the upper pipe body (15) is sealed and sealed by a sealing cover (18).
9. A tri-band antenna as claimed in any one of claims 1 to 8, wherein: the first antenna, the second antenna and the third antenna are all symmetrical array sub-antennas.
10. The tri-band antenna of claim 9, wherein: the antenna comprises a first antenna body (21), a second antenna body (22) and a third antenna body (23), wherein the first antenna body (21), the second antenna body (22) and the third antenna body (23) are respectively composed of a plurality of array units which are connected in series, each array unit comprises two arrays (20) which are symmetrically arranged, one ends of the arrays (20) are respectively in a conical shape, the small diameter ends of the arrays (20) are adjacently arranged, each first radio frequency cable (11), the second radio frequency cable (12) or the third radio frequency cable (13) respectively comprises a cable core (24) and a cable shielding layer (25) which is sleeved outside the cable core (24), the cable core (24) is connected with one of the arrays (20) of the array units, and the cable shielding layer (25) is connected with the other array (20) of the array units.
CN201922394528.2U 2019-12-27 2019-12-27 Three-frequency antenna Active CN211350926U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922394528.2U CN211350926U (en) 2019-12-27 2019-12-27 Three-frequency antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922394528.2U CN211350926U (en) 2019-12-27 2019-12-27 Three-frequency antenna

Publications (1)

Publication Number Publication Date
CN211350926U true CN211350926U (en) 2020-08-25

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922394528.2U Active CN211350926U (en) 2019-12-27 2019-12-27 Three-frequency antenna

Country Status (1)

Country Link
CN (1) CN211350926U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4138212A1 (en) * 2021-08-18 2023-02-22 Tempris GmbH Radome-free antenna unit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4138212A1 (en) * 2021-08-18 2023-02-22 Tempris GmbH Radome-free antenna unit

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