CN217114781U - Radiation arm, radiation unit and antenna - Google Patents
Radiation arm, radiation unit and antenna Download PDFInfo
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- CN217114781U CN217114781U CN202123452461.7U CN202123452461U CN217114781U CN 217114781 U CN217114781 U CN 217114781U CN 202123452461 U CN202123452461 U CN 202123452461U CN 217114781 U CN217114781 U CN 217114781U
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Abstract
The utility model discloses a radiation arm, radiating element and antenna, include: the lead comprises a conductor section and at least one hollow structure arranged in the conductor section; one end of the conductor section is a feed end, and the other end of the conductor section is a tail end; the hollowed-out structures are arranged between the feed end and the tail end at intervals, and the distance between every two adjacent hollowed-out structures is a first preset distance; the hollow structure comprises a plurality of hollow grooves which are connected into an integrated hollow structure; the hollow structure comprises a first hollow groove, a second hollow groove and a third hollow groove, the first hollow groove and the third hollow groove are parallel to the length direction of the conductor section, and two ends of the second hollow groove are respectively and vertically connected with the first hollow groove and the third hollow groove. The embodiment of the utility model provides a through be provided with at least one hollow out construction in the conductor section, and hollow out construction includes a plurality of fretwork grooves, can effectively block high frequency current's transmission path, guarantees low frequency current's transmission path simultaneously and is not blocked, and then can effectively reduce the degree of difficulty that impedance matches.
Description
Technical Field
The utility model belongs to the technical field of the antenna technique and specifically relates to a radiation arm, radiating element and antenna are related to.
Background
However, in the process of implementing the present invention, the inventor finds that the prior art has at least the following problems:
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a radiation arm, radiating element and antenna solves current radiation arm and can not effectively reduce the induced-current that high frequency unit produced on the low frequency radiation arm, leads to the technical problem that high frequency array directional diagram worsens.
An embodiment of the utility model provides a radiation arm, include:
the lead comprises a conductor section and at least one hollowed-out structure arranged in the conductor section;
one end of the conductor section is a feed end, and the other end of the conductor section is a tail end; the hollowed-out structures are arranged between the feed end and the tail end at intervals, and the distance between every two adjacent hollowed-out structures is a first preset distance; the hollow structure comprises a plurality of hollow grooves which are connected into an integrated hollow structure;
the hollow structure comprises a first hollow groove, a second hollow groove and a third hollow groove, the first hollow groove and the third hollow groove are parallel to the length direction of the conductor section, and two ends of the second hollow groove are respectively and vertically connected with the first hollow groove and the third hollow groove.
Furthermore, the length of the first hollow-out groove is the same as that of the third hollow-out groove, and two ends of the second hollow-out groove are respectively connected with the middle points of the first hollow-out groove and the third hollow-out groove.
Further, the radiating arm comprises one of a circuit board type radiating arm, a sheet metal type radiating arm and a die casting type radiating arm.
Further, the height of the second hollow-out groove is a preset value.
Furthermore, the projection of the hollow structure on the plane is a preset shape, and the preset shape comprises an H shape.
An embodiment of the utility model provides a radiation unit, include the radiation arm as above, the radiation arm is four, four the radiation arm includes first radiation arm pair and second radiation arm pair, first radiation arm pair and second radiation arm pair are perpendicular, and the mid point of first radiation arm and second radiation arm coincides; the first radiation arm pair is composed of two radiation arms with opposite feed ends, and the second radiation arm pair is composed of two radiation arms with opposite feed ends.
An implementation of the utility model provides a radiating element, include as above-mentioned radiating arm, it is a plurality of four confined rectangle radiating arms, four are constituteed to the radiating arm the setting of rectangle radiating arm symmetrical interval is as radiating element.
An embodiment of the present invention provides an antenna, including a radiating element as described above.
The embodiment of the utility model provides a through be provided with at least one in the conductor section hollow out construction, and hollow out construction includes a plurality of fretwork grooves, and is a plurality of the fretwork groove connection becomes integration hollow out construction can effectively block high frequency current's transmission path to and guarantee that low frequency current's transmission path is not blocked, a plurality of hollow out constructions arrange the setting in the conductor section with certain distance, thereby reduce the existence of low frequency unit and influence the high frequency direction, and make the input impedance of low frequency not have obvious deterioration, and then can effectively reduce the degree of difficulty that the impedance matches.
Drawings
Fig. 1 is a schematic structural diagram of a radiation arm provided in an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a radiation unit provided in an embodiment of the present invention;
fig. 3 is another schematic structural diagram of a radiation unit provided in an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a radiation unit provided in an embodiment of the present invention;
fig. 5 is a high frequency unit directional diagram provided by an embodiment of the present invention;
fig. 6 is a schematic diagram of return loss of a low frequency unit according to an embodiment of the present invention.
Wherein the reference numbers in the drawings of the specification are as follows:
10. a conductor section; 21. a first hollow-out groove; 22. a second hollow-out groove; 23. and a third hollow-out groove.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Referring to fig. 1, an embodiment of the present invention provides a radiation arm, including:
a conductor segment 10 and at least one hollowed-out structure arranged in the conductor segment 10;
in the embodiment of the present invention, the conductor segment 10 is continuously disposed on the radiation arm body, wherein the conductor segment 10 may have multiple segments, the radiation arm of the embodiment of the present invention includes at least one conductor segment 10. The embodiment of the utility model provides an in 10 be provided with at least one hollow out construction in the conductor section.
One end of the conductor segment 10 is a feed end, and the other end is a tail end; the hollowed-out structures are arranged between the feed end and the tail end at intervals, and the distance between every two adjacent hollowed-out structures is a first preset distance; the hollow structure comprises a plurality of hollow grooves which are connected into an integrated hollow structure;
the embodiment of the utility model provides an in, distance between the hollow out construction is predetermined distance, when conductor section 10 length reachs certain length, need set up a plurality of hollow out constructions in conductor section 10, transmission path for effectively blocking high frequency current, and guarantee that low frequency current's transmission path is not blocked, a plurality of hollow out constructions arrange the setting in conductor section 10 with certain distance, thereby reduce the existence of low frequency unit and influence the high frequency direction, effectively reduce the induced-current that the high frequency unit produced on the low frequency radiation arm, and make the input impedance of low frequency not have obvious deterioration, and then can effectively reduce the degree of difficulty of impedance matching.
The hollow structure comprises a first hollow groove 21, a second hollow groove 22 and a third hollow groove 23, the first hollow groove 21 and the third hollow groove 23 are all parallel to the length direction of the conductor section 10, and two ends of the second hollow groove 22 are respectively and vertically connected with the first hollow groove 21 and the third hollow groove 23.
The utility model discloses hollow out construction is integrated hollow out construction, and a plurality of hollow out grooves constitute again, and in a concrete implementation mode, three hollow out groove constitutes the hollow out construction of H type, can effectively block high frequency current's transmission path through this hollow out construction to and guarantee that low frequency current's transmission path is not blocked.
Alternatively, the hollow structure in the embodiment of the present invention may also be in other shapes, for example, two ends of the second hollow groove 22 are respectively disposed at 1/3 of the length of the first hollow groove 21 and the third hollow groove 23, or are respectively disposed at 1/3 of the length of the first hollow groove 21 and the third hollow groove 23. For example, the deformation of the first, second, and third hollow grooves 21, 22, and 23, and the like.
Further, the length of the first hollow-out groove 21 is the same as that of the third hollow-out groove 23, and two ends of the second hollow-out groove 22 are respectively connected with the middle points of the first hollow-out groove 21 and the third hollow-out groove 23.
In the embodiment of the present invention, the lengths of the first hollow-out groove 21 and the third hollow-out groove 23 may be set as required, and may be the same or different. The connection positions of the second hollow-out groove 22, the third hollow-out groove 23 and the first hollow-out groove 21 can also be different, and the three hollow-out grooves form an integrated hollow-out structure, so that the influence of the existence of a low-frequency unit on a high-frequency directional diagram can be reduced, and the input impedance of low frequency cannot generate obvious deterioration.
Further, the radiating arm includes one of a circuit board-form radiating arm, a sheet metal-form radiating arm, and a die-cast-form radiating arm.
The embodiment of the utility model provides an in, the radiation arm can be the radiation arm of circuit board form, and the radiation arm can be obtained by panel beating or die-casting form preparation.
The embodiment of the utility model provides an in, the size of first fretwork groove 21, second fretwork groove 22 and third fretwork groove 23 can set up as required, the embodiment of the utility model provides a through set up the hollow out construction who constitutes by three fretwork groove on the radiation arm, can effectively restrain the scattering in the whole high frequency channel to can make and reach the best effect of decoupling.
Furthermore, the projection of the hollow structure on the plane is in a preset shape, and the preset shape comprises an H shape.
The embodiment of the utility model provides an in, hollow out construction has certain shape at planar projection, and different hollow out constructions are also different at planar projection shape. In the embodiment of the present invention, the projection of the hollow structure on the plane is an H-shape.
Please refer to fig. 5, which is a high frequency unit directional diagram provided by an embodiment of the present invention, and fig. 6, which is a schematic diagram of a return loss of a low frequency unit provided by an embodiment of the present invention.
Implement the embodiment of the utility model provides a, following beneficial effect has:
the embodiment of the utility model provides a through be provided with at least one hollow out construction in conductor section 10, and hollow out construction includes a plurality of hollow out grooves, a plurality of hollow out grooves connect into the hollow out construction of integration, can effectively block high frequency current's transmission path, and guarantee that low frequency current's transmission path is not blocked, a plurality of hollow out constructions arrange the setting in conductor section 10 with certain distance, thereby reduce the existence of low frequency unit and influence the high frequency direction, and make the input impedance of low frequency not have obvious deterioration, and then can effectively reduce the degree of difficulty of impedance matching.
Referring to fig. 2, an embodiment of the present invention provides a radiation unit, including four radiation arms as described above, where the four radiation arms include a first radiation arm pair and a second radiation arm pair, the first radiation arm pair and the second radiation arm pair are perpendicular, and the middle points of the first radiation arm and the second radiation arm are overlapped; the first radiation arm pair is composed of two radiation arms with opposite feed ends, and the second radiation arm pair is composed of two radiation arms with opposite feed ends.
Referring to fig. 3, an embodiment of the present invention provides a radiation unit, which includes the radiation arm as described above, a plurality of radiation arms constitute four closed rectangular radiation arms, and the four rectangular radiation arms are symmetrically arranged at intervals as the radiation unit.
Referring to fig. 4, an embodiment of the present invention provides a radiating unit, which includes a plurality of radiating arms as described above, the plurality of radiating arms are electrically connected to each other and symmetrically disposed to form a radiating unit.
An embodiment of the present invention provides an antenna, including a radiating element as described above.
The embodiment of the utility model provides an in radiating element and radiating arm all include the radiating arm, block high frequency current's transmission path through the integration hollow out construction in the radiating arm, and guarantee that low frequency current's transmission path is not blocked, and a plurality of hollow out constructions arrange with certain distance in conductor section 10 and set up in conductor section 10, thereby reduce the existence of low frequency unit and to the influence of high frequency direction, and make the input impedance of low frequency not have obvious deterioration, and then can effectively reduce the degree of difficulty of impedance matching.
The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.
Claims (8)
1. A radiating arm, comprising:
the lead comprises a conductor section and at least one hollowed-out structure arranged in the conductor section;
one end of the conductor section is a feed end, and the other end of the conductor section is a tail end; the hollowed-out structures are arranged between the feed end and the tail end at intervals, and the distance between every two adjacent hollowed-out structures is a first preset distance; the hollow structure comprises a plurality of hollow grooves which are connected into an integrated hollow structure;
the hollow structure comprises a first hollow groove, a second hollow groove and a third hollow groove, the first hollow groove and the third hollow groove are parallel to the length direction of the conductor section, and two ends of the second hollow groove are respectively and vertically connected with the first hollow groove and the third hollow groove.
2. The radiating arm of claim 1, wherein the first hollowed-out groove has the same length as the third hollowed-out groove, and two ends of the second hollowed-out groove are respectively connected to the middle points of the first hollowed-out groove and the third hollowed-out groove.
3. The radiating arm of claim 1, wherein the radiating arm comprises one of a circuit board form radiating arm, a sheet metal form radiating arm, and a die cast form radiating arm.
4. The radiating arm of claim 1, wherein the height of the second hollowed-out groove is a preset value.
5. The radiation arm of claim 1, wherein the projection of the hollowed-out structure on a plane is a preset shape, and the preset shape comprises an H shape.
6. A radiating element comprising the radiating arm of any one of claims 1-4, wherein the radiating arms are four, the four radiating arms comprise a first radiating arm pair and a second radiating arm pair, the first radiating arm pair and the second radiating arm pair are perpendicular, and midpoints of the first radiating arm and the second radiating arm are coincident; the first radiation arm pair is composed of two radiation arms with opposite feed ends, and the second radiation arm pair is composed of two radiation arms with opposite feed ends.
7. A radiating element, comprising the radiating arm as claimed in any one of claims 1 to 4, wherein a plurality of the radiating arms form four closed rectangular radiating arms, and the four rectangular radiating arms are symmetrically arranged at intervals as the radiating element.
8. An antenna comprising a radiating element according to any one of claims 6 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452461.7U CN217114781U (en) | 2021-12-31 | 2021-12-31 | Radiation arm, radiation unit and antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123452461.7U CN217114781U (en) | 2021-12-31 | 2021-12-31 | Radiation arm, radiation unit and antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217114781U true CN217114781U (en) | 2022-08-02 |
Family
ID=82593370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123452461.7U Active CN217114781U (en) | 2021-12-31 | 2021-12-31 | Radiation arm, radiation unit and antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217114781U (en) |
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2021
- 2021-12-31 CN CN202123452461.7U patent/CN217114781U/en active Active
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