CN219917600U - Quadruple frequency side-fed sleeve dipole antenna - Google Patents
Quadruple frequency side-fed sleeve dipole antenna Download PDFInfo
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- CN219917600U CN219917600U CN202320929090.7U CN202320929090U CN219917600U CN 219917600 U CN219917600 U CN 219917600U CN 202320929090 U CN202320929090 U CN 202320929090U CN 219917600 U CN219917600 U CN 219917600U
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- 230000000694 effects Effects 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 5
- 238000012986 modification Methods 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model discloses a quadruple frequency side-feed sleeve dipole antenna, which belongs to the technical field of antennas and comprises a sleeve, a radiator arranged on the sleeve, a radio frequency cable, a radio frequency connector, a connecting medium and a chassis, wherein the radiator is arranged on the sleeve; the radiator comprises a first radiator, a second radiator A and a second radiator B; the first radiator is of a two-stage ladder structure with diameters sequentially reduced along the length direction; the second radiator A is of a three-stage ladder structure with diameters sequentially increased along the length direction; the antenna impedance bandwidth is widened by utilizing the sectional unequal diameter structures of the first radiator, the second radiator A and the second radiator B, and meanwhile, the radiators are connected by utilizing the sleeve structure, so that the sectional assembly effect is realized, the whole antenna structure is compact, the portability of the antenna is improved, and the impedance bandwidth is improved while the portability is maintained.
Description
Technical Field
The utility model relates to a quadruple frequency side-feed sleeve dipole antenna, and belongs to the technical field of antennas.
Background
In the frequency bands of the P band and the L band, if an omnidirectional antenna with the gain more than 0dBi and the bandwidth more than four times of frequency is designed, only a biconical antenna or a discone antenna can be generally adopted, but the antenna in the frequency band has large volume and heavy weight, portability is not realized in actual use, and the working bandwidth of the conventional dipole antenna is not wide; and some broadband communication antennas have small size but low gain, and the tolerance power of the broadband communication antennas is greatly limited due to the matching components additionally arranged in the broadband communication antennas.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art, provides a quadruple frequency side-fed sleeve dipole antenna, and solves the problem that the conventional dipole antenna cannot have portability and strong gain.
In order to achieve the above purpose/solve the above technical problems, the present utility model is realized by adopting the following technical scheme: a quadruple frequency side-feed sleeve dipole antenna comprises a sleeve, a radiator, a radio frequency cable, a radio frequency connector, a connecting medium and a chassis, wherein the radiator, the radio frequency cable, the radio frequency connector, the connecting medium and the chassis are arranged on the sleeve;
the radiator comprises a first radiator, a second radiator A and a second radiator B;
the first radiator is of a two-stage ladder structure with diameters sequentially reduced along the length direction;
the second radiator A is of a three-stage ladder structure with diameters sequentially increased along the length direction;
the connection medium comprises a first medium and a second medium;
one end of the first medium is connected with the sleeve, and the other end of the first medium is connected with the first radiator;
one end of the second medium is connected with the sleeve, and the other end of the second medium is connected with the second radiator A;
one end of the second radiator A, which is far away from the sleeve, is connected with a second radiator B, and one end of the second radiator B, which is far away from the second radiator A, is connected with the chassis;
the radio frequency connector is arranged on the second radiator B, one end of the radio frequency cable is connected with the first radiator, and the other end of the radio frequency cable sequentially penetrates through the second radiator A and the second radiator B to be connected with the radio frequency connector.
Optionally, the first radiator comprises a first column A and a second column A which are arranged along the length direction, and the first column A is fixedly connected with the second column A; the second radiator A comprises a first column B, a second column B and a third column which are arranged along the length direction and are sequentially connected; the diameter of the first column A is the same as that of the third column, and the diameter of the second column A is the same as that of the first column B.
Optionally, an end cover is sleeved at one end of the first column body A away from the second column body A.
Optionally, the first medium and the second medium are T-shaped.
Optionally, the first medium is sleeved at one end of the sleeve and fixed by a screw, and the second medium is sleeved at the other end of the sleeve and fixed by a screw; one end of the first medium, which is far away from the sleeve, is movably inserted into the second column A and is fixedly connected with the first column A through a screw; one end of the second medium, which is far away from the sleeve, is sleeved with the second cylinder B and is fixed through a screw, the first cylinder B is inserted into the second medium, and the third cylinder is sleeved with the second radiator B and is fixed through a screw.
Optionally, the connecting medium further comprises a bottom medium, one end of the bottom medium is fixedly connected with the second radiator B, and the other end of the bottom medium is fixedly connected with the chassis, so that the coupling effect between the ground and the radiator is weakened.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, the antenna impedance bandwidth is widened by utilizing the sectional unequal diameter structures of the first radiator, the second radiator A and the second radiator B, and meanwhile, the radiators are connected by utilizing the sleeve structure, so that the sectional assembly effect is realized, the whole antenna structure is compact, the portability of the antenna is improved, the impedance bandwidth is improved while the portability is maintained, and the problem that the conventional dipole antenna cannot have portability and strong gain is solved.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a four-frequency side-feed sleeve dipole antenna according to an embodiment of the present utility model;
fig. 2 is a schematic diagram of a first radiator of a four-frequency side-fed sleeve dipole antenna according to an embodiment of the present utility model;
fig. 3 is a schematic diagram of connection between a first medium and a second medium of a four-frequency side-feed sleeve dipole antenna and a sleeve according to an embodiment of the present utility model;
fig. 4 is a schematic diagram of a second radiator a of a four-frequency side-fed sleeve dipole antenna according to an embodiment of the present utility model;
fig. 5 is a schematic diagram of a bottom dielectric of a four-frequency side-fed sleeve dipole antenna according to an embodiment of the present utility model connected to a chassis.
In the figure: 1. a sleeve; 2. a radiator; 201. a first radiator; 2011. a first column A; 2012. a second column A; 202. a second radiator A; 2021. a first column B; 2022. a second column B; 2023. a third column; 203. a second radiator B; 3. a radio frequency cable; 4. a radio frequency connector; 5. a connection medium; 501. a first medium; 502. a second medium; 503. a bottom medium; 6. a chassis; 7. an end cap.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and are not intended to limit the scope of the present utility model.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
Examples
As shown in fig. 1, a four-frequency side-feed sleeve dipole antenna comprises a sleeve 1, a radiator 2 arranged on the sleeve 1, a radio frequency cable 3, a radio frequency connector 4, a connecting medium 5 and a chassis 6; the radiator 2 includes a first radiator 201, a second radiator a202, and a second radiator B203;
as shown in fig. 2, the first radiator 201 is a two-stage stepped structure with diameters sequentially decreasing along the length direction, specifically, the first radiator 201 includes a first cylinder a2011 and a second cylinder a2012 arranged along the length direction, and the bottom end of the first cylinder a2011 is fixedly connected with the top end of the second cylinder a 2012; the top end of the first column A2011 is sleeved with an end cover 7;
as shown in fig. 4, the second radiator a202 has a three-stage stepped structure with diameters sequentially increasing along the length direction, and specifically, the second radiator a202 includes a first cylinder B2021, a second cylinder B2022, and a third cylinder 2023 that are arranged along the length direction and sequentially connected; the bottom end of the first column B2021 is fixedly connected with the top end of the second column B2022, and the bottom end of the second column B2022 is fixedly connected with the top end of the third column 2023; the diameter of the first cylinder a2011 is the same as the diameter of the third cylinder 2023, and the diameter of the second cylinder a2012 is the same as the diameter of the first cylinder B2021; the structures of the unequal diameters of the first pillar a2011, the second pillar a2012, and the first pillar B2021, the third pillar 2023 widen the antenna impedance bandwidth;
as shown in fig. 3, the connection medium 5 includes a first medium 501 and a second medium 502, and the first medium 501 and the second medium 502 are T-shaped; the first medium 501 is sleeved at the top end of the sleeve 1 and is fixed by a screw, and the second medium 502 is sleeved at the bottom end of the sleeve 1 and is fixed by a screw; the top end of the first medium 501 is movably inserted into the second column A2012 and fixedly connected with the bottom end of the first column A2011 through a screw; one end of the second medium 502 far away from the sleeve 1 is sleeved with the second cylinder B2022 and fixed by a screw, the first cylinder B2021 is inserted into the second medium 502, and the third cylinder 2023 is sleeved with the second radiator B203 and fixed by a screw; the radiator 2 is connected through the sleeve 1 structure, so that the sectional assembly effect is realized, the whole antenna structure is compact, and the portability of the antenna is improved;
in order to reduce the outer diameter of the antenna, the screws are countersunk screws;
the radio frequency connector 4 is installed on the second radiator B203, one end of the radio frequency cable 3 is connected with the first radiator 201, and the other end sequentially passes through the second radiator a202 and the second radiator B203 to be connected with the transmitting end of the radio frequency connector 4.
As shown in fig. 5, the connection medium 5 further includes a bottom medium 503, where the top end of the bottom medium 503 is fixedly connected to the bottom end of the second radiator B203, and the bottom end of the bottom medium 503 is fixedly connected to the chassis 6.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and variations could be made by those skilled in the art without departing from the technical principles of the present utility model, and such modifications and variations should also be regarded as being within the scope of the utility model.
Claims (6)
1. The quadruple frequency side-feed sleeve dipole antenna is characterized by comprising a sleeve, a radiator, a radio frequency cable, a radio frequency connector, a connecting medium and a chassis, wherein the radiator, the radio frequency cable, the radio frequency connector, the connecting medium and the chassis are arranged on the sleeve;
the radiator comprises a first radiator, a second radiator A and a second radiator B;
the first radiator is of a two-stage ladder structure with diameters sequentially reduced along the length direction;
the second radiator A is of a three-stage ladder structure with diameters sequentially increased along the length direction;
the connection medium comprises a first medium and a second medium;
one end of the first medium is connected with the sleeve, and the other end of the first medium is connected with the first radiator;
one end of the second medium is connected with the sleeve, and the other end of the second medium is connected with the second radiator A;
one end of the second radiator A, which is far away from the sleeve, is connected with a second radiator B, and one end of the second radiator B, which is far away from the second radiator A, is connected with the chassis;
the radio frequency connector is arranged on the second radiator B, one end of the radio frequency cable is connected with the first radiator, and the other end of the radio frequency cable sequentially penetrates through the second radiator A and the second radiator B to be connected with the radio frequency connector.
2. The four-frequency side-fed sleeve dipole antenna as recited in claim 1, wherein said first radiator comprises a first cylinder a and a second cylinder a arranged along a length direction, said first cylinder a being fixedly connected with said second cylinder a; the second radiator A comprises a first column B, a second column B and a third column which are arranged along the length direction and are sequentially connected; the diameter of the first column A is the same as that of the third column, and the diameter of the second column A is the same as that of the first column B.
3. The four-frequency side-fed sleeve dipole antenna as recited in claim 2, wherein said first leg a is sleeved with an end cap at an end thereof remote from said second leg a.
4. The four-frequency side-fed sleeve dipole antenna as recited in claim 2, wherein said first and second dielectrics are T-shaped.
5. The four-frequency side-fed sleeve dipole antenna as recited in claim 4, wherein said first dielectric is sleeved on one end of said sleeve and secured by means of screws, and said second dielectric is sleeved on the other end of said sleeve and secured by means of screws; one end of the first medium, which is far away from the sleeve, is movably inserted into the second column A and is fixedly connected with the first column A through a screw; one end of the second medium, which is far away from the sleeve, is sleeved with the second cylinder B and is fixed through a screw, the first cylinder B is inserted into the second medium, and the third cylinder is sleeved with the second radiator B and is fixed through a screw.
6. The four-frequency side-fed sleeve dipole antenna as recited in claim 1, wherein said connecting medium further comprises a bottom medium, one end of said bottom medium being fixedly connected to said second radiator B and the other end being fixedly connected to said chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320929090.7U CN219917600U (en) | 2023-04-23 | 2023-04-23 | Quadruple frequency side-fed sleeve dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320929090.7U CN219917600U (en) | 2023-04-23 | 2023-04-23 | Quadruple frequency side-fed sleeve dipole antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219917600U true CN219917600U (en) | 2023-10-27 |
Family
ID=88430502
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320929090.7U Active CN219917600U (en) | 2023-04-23 | 2023-04-23 | Quadruple frequency side-fed sleeve dipole antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219917600U (en) |
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2023
- 2023-04-23 CN CN202320929090.7U patent/CN219917600U/en active Active
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