CN211957901U

CN211957901U - Antenna oscillator and antenna

Info

Publication number: CN211957901U
Application number: CN202020184237.0U
Authority: CN
Inventors: 王啊琦
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2020-02-19
Filing date: 2020-02-19
Publication date: 2020-11-17
Anticipated expiration: 2030-02-19
Also published as: WO2021164061A1

Abstract

The utility model provides an antenna element and antenna, antenna element includes the radiation piece, the support column that board and a plurality of interval set up is divided to the merit, the parallel interval of board sets up is divided with the merit to the radiation piece, the both ends of support column divide the board with the radiation piece and are connected with the merit respectively, the merit is divided the board and is included the base plate and locate the feed portion on the base plate, feed portion extends the end including the feed piece and the feed that two intervals set up, the feed extends the end and outwards extends in order to be used for being connected with outside feed electricity to the one side of keeping away from the feed piece from the edge of feed piece, feed piece and feed extend the end all set up in the one side that is close to the radiation piece of base plate in order to form the coupling. The utility model discloses a feed portion part adopts the paster form to install on the merit divides the board, need not other processing technology such as welding, so feed portion uniformity is high, and the antenna element does not have artifical welding cost, and the processing cost reduces, and the design of whole antenna is more simplified, and the whole size of antenna also reduces simultaneously.

Description

Antenna oscillator and antenna

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of communication technology, especially, relate to an antenna element and antenna.

[ background of the invention ]

The antenna is an important component of a wireless mobile communication system, the performance of the antenna has a significant influence on wireless communication data transmission, along with the rapid development of the wireless communication system, the performance requirement of the antenna is higher and higher, and the miniaturization and low cost of the antenna are a trend of future development of the communication system.

However, the antenna element of the conventional antenna has a complex structure, high processing cost and large volume, and is not suitable for the market requirement of miniaturization of the conventional antenna.

Therefore, there is a need to provide an improved antenna element to solve the above problems.

[ Utility model ] content

An object of the utility model is to provide an antenna element and antenna, it aims at solving the too big technical problem of antenna element processing cost height and overall dimension.

The technical scheme of the utility model as follows:

in order to achieve the above object, the utility model provides an antenna element, divide the support column that board and a plurality of interval set up including radiation piece, merit, the radiation piece with the parallel interval of board sets up is divided to the merit, the both ends of support column respectively with the radiation piece with the merit is divided the board and is connected, the merit is divided the board and is included the base plate and locate the feed portion on the base plate, feed portion includes the feed extension end that feed piece and two intervals set up, the feed extension end certainly the edge of feed piece is to keeping away from one side of feed piece is outwards extended in order to be used for being connected with external feed electricity, the feed piece with the feed extension end all set up through the paster form in be close to of base plate one side of radiation piece with the radiation piece forms the coupling.

Further, the distance from the side of the radiation piece far away from the power dividing plate to the side of the substrate close to the radiation piece is 5.5 +/-0.05 mm.

Further, the distance from the side of the radiation piece far away from the power dividing plate to the side of the substrate close to the radiation piece is 5.5 +/-0.01 mm.

Furthermore, the feed piece has two second side edges that the interval set up first side edge and two intervals set up, the both ends of first side edge respectively with two the second side edge is perpendicular to be connected, two the feed extends the end and respectively from the middle part of first side edge with the second side edge is outwards extended to be connected so that with external feed electricity the antenna element produces 45 degrees polarization.

Furthermore, the feed extension end comprises a first connection part and a second connection part which are connected, one end of the first connection part is bent outwards from one side of the first side edge or the second side edge far away from the feed piece, and the second connection part is bent outwards from the other end of the first connection part.

Furthermore, the radiation piece has two fourth side edges that interval set up third side edge and two intervals set up, the both ends of third side edge respectively with two the fourth side edge is connected perpendicularly, just third side edge with first side edge, fourth side edge with second side edge is in projection on the base plate all is the contained angle setting.

Furthermore, the antenna element further comprises a plurality of rivets, and the radiation piece and the support column are fixed on the power division plate through the rivets.

The utility model also provides an antenna, including at least one as above-mentioned antenna element.

The beneficial effects of the utility model reside in that:

the feed part of the utility model is arranged on the power division board in a patch form, and other processing technologies such as welding and the like are not needed, so the consistency of the feed part is high, the antenna oscillator has no manual welding cost, the processing cost is reduced, the design of the whole antenna is simpler, and the whole size of the antenna is reduced;

the antenna oscillator is very low in height, can meet the requirement of products with strict limitation on the height of the antenna in the market, and has market competitiveness.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of an antenna element according to an embodiment of the present invention;

fig. 2 is a schematic diagram of an explosion structure of an antenna element according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an explosion structure of an antenna element according to an embodiment of the present invention;

fig. 4 is a side view of an antenna element according to an embodiment of the present invention;

FIG. 5 is an enlarged partial schematic view of FIG. 4 at circle A;

fig. 6 is a schematic perspective view of a feeding unit according to an embodiment of the present invention.

The reference numbers illustrate:

1. an antenna element; 10. a radiation sheet; 11. a third side edge; 12. a fourth side edge; 13. a first perforation; 20. a power division plate; 21. a substrate; 211. a third perforation; 22. a feeding section; 221. a feeding sheet; 222. a feed extension end; 223. a first side edge; 224. a second side edge; 225. a first connection portion; 226. a second connecting portion; 227. a second perforation; 23. a conductive plate; 231. a fourth perforation; 30. a support pillar; 31. mounting holes; 40. and (4) riveting.

[ detailed description ] embodiments

The present invention will be further described with reference to the accompanying drawings and embodiments.

It should be noted that all the directional indicators (such as upper, lower, inner, outer, top, bottom … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

It will also be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Referring to fig. 1, an embodiment of the present invention provides an antenna, which includes a feed source and at least one antenna element 1, and when the number of the antenna elements 1 is multiple in this embodiment, each antenna element 1 is arranged in an array and connected to an external feed source, so as to improve the efficiency of the antenna better.

Specifically, referring to fig. 1 to 3 and fig. 6, the antenna element 1 in the present embodiment includes a radiation plate 10, a power dividing plate 20, and a plurality of support pillars 30 arranged at intervals, wherein the support pillars 30 are made of a non-conductive material, preferably a plastic material. Radiation piece 10 and power dividing plate 20 are parallel to each other and set up at interval, the both ends of support column 30 are connected with radiation piece 10 and power dividing plate 20 respectively, power dividing plate 20 includes base plate 21 and locates feed portion 22 on base plate 21, feed portion 22 includes feed piece 221 and two feed extension ends 222 that set up at interval, feed extension end 222 outwards extends to one side of keeping away from feed piece 221 from the edge of feed piece 221 to be used for being connected with external feed source electricity, feed piece 221 and feed extension end 222 all set up in base plate 21 one side that is close to radiation piece 10 through the paster form in order to form the coupling with radiation piece 10. Specifically, the feeding tab 221 and the feeding extension end 222 can be formed on the substrate 21 by plating or printing, and the feeding portion 22 does not need to be welded or other processing or assembling processes, so that the consistency of the feeding portion of the antenna element 1 is high, and the manual assembly and welding cost is not required.

Referring to fig. 6, as a preferred embodiment, the feeding plate 221 in this embodiment has a square structure, the feeding plate 221 has two first side edges 223 disposed at intervals and two second side edges 224 disposed at intervals, two ends of the first side edge 223 are respectively perpendicular to the two second side edges 224, two feeding extending ends 222 respectively extend outwards from middle portions of one first side edge 223 and one second side edge 224 for electrically connecting with an external feed source to enable the antenna element 1 to generate ± 45-degree dual polarizations, and the isolation between the dual polarizations is high, so as to avoid mutual interference, and improve quality of signals received and transmitted by the antenna element 1.

Referring to fig. 6, as a preferred embodiment, the feeding extension end 222 includes a first connection portion 225 and a second connection portion 226 connected to each other, one end of the first connection portion 225 is bent and extended outward from the first side edge 223 or the second side edge 224 to a side away from the feeding tab 221, the second connection portion 226 is extended outward from the other end of the first connection portion 225, the second connection portion 226 and the feeding tab 221 are all disposed on the substrate 21 in a patch manner, and the two second connection portions 226 are disposed in parallel.

Referring to fig. 4, the distance L from the side of the radiation plate 10 far from the power splitting plate 20 to the side of the substrate 21 near the radiation plate 10 is 5.5 ± 0.05 mm. Preferably, the distance L from the side of the radiating patch 10 far away from the power splitting board 20 to the side of the substrate 21 close to the radiating patch 10 is 5.5 ± 0.01mm, and the height of the antenna element 1 is very low, so that the antenna element can meet the market requirement of products with strict limitation on the height of the antenna, and has market competitiveness.

Referring to fig. 1 and 4, in the present embodiment, the radiation sheet 10 is a square structure, the radiation sheet 10 has two third side edges 11 disposed at intervals and two fourth side edges 12 disposed at intervals, two ends of the third side edge 11 are respectively connected to the two fourth side edges 12 perpendicularly, and the projections of the third side edge 11 and the first side edge 223, and the projections of the fourth side edge 12 and the second side edge 224 on the substrate 21 are disposed at an included angle, preferably, the included angle is 45 °.

Referring to fig. 2 and 6, the number of the support columns 30 is four, four first through holes 13 are disposed on the radiation sheet 10 at intervals, the first through holes 13 are disposed near the middle of the third side edge 11 or the fourth side edge 12, the feed sheet 221 is provided with four second through holes 227, and each second through hole 227 is disposed at a corner between each first side edge 223 and the corresponding second side edge 224.

Referring to fig. 2 to 5, in a preferred embodiment, the power dividing plate 20 further includes a conductive plate 23, the conductive plate 23 is closely attached to a side of the substrate 21 away from the feeding tab 221, the substrate 21 has a plurality of third through holes 211, and the conductive plate 23 has a plurality of fourth through holes 231. It should be noted that the power distribution board 20 further includes a power distribution network connecting the external feed source and the feed extension end 222, and the power distribution network may adopt a conventional power distribution network structure, which is not described herein again.

The antenna element 1 further comprises a plurality of rivets 40, the support column 30 is axially provided with mounting holes 31 in a penetrating manner, the rivets 40 penetrate through the first through holes 13, the mounting holes 31, the second through holes 227, the third through holes 211 and the fourth through holes 231, and the radiation piece 10 and the support column 30 are fixed on the power splitting plate 20 in a riveting manner. Therefore, the antenna element 1 is very simple to assemble, only the rivet 40 is needed to fix the radiating fin 10 and the supporting column 30 on the power dividing plate 20, no other production process is needed, the production period is shortened, and the production cost is reduced.

The above are only embodiments of the present invention, and it should be noted that, for those skilled in the art, modifications can be made without departing from the inventive concept, but these all fall into the protection scope of the present invention.

Claims

1. The utility model provides an antenna element, its characterized in that, includes radiation piece, merit and divides the support column that board and a plurality of interval set up, the radiation piece with the parallel interval of board is divided to the merit sets up, the both ends of support column respectively with the radiation piece with the merit is divided the board and is connected, the merit divides the board to include the base plate and locates the feed portion on the base plate, the feed portion includes the feed extension end that feed piece and two intervals set up, the feed extension end certainly the edge of feed piece is to keeping away from one side of feed piece is outwards extended in order to be used for being connected with external feed source electricity, the feed piece with the feed extension end all set up through the paster form in the base plate be close to one side of radiation piece in order to form the coupling with the radiation piece.

2. An antenna element according to claim 1, wherein the distance from the side of the radiating patch remote from the power splitting plate to the side of the substrate close to the radiating patch is 5.5 ± 0.05 mm.

3. An antenna element according to claim 2, wherein the distance from the side of the radiating patch remote from the power splitting plate to the side of the substrate close to the radiating patch is 5.5 ± 0.01 mm.

4. The antenna element of claim 1, wherein the feed piece has two first side edges and two second side edges, the first side edges are vertically connected to the second side edges, the two feed extension ends extend outwards from the middle of the first side edges and the second side edges, and are electrically connected to an external feed source to polarize the antenna element at ± 45 degrees.

5. The antenna element of claim 4, wherein the feeding extension end comprises a first connection portion and a second connection portion connected to each other, one end of the first connection portion is bent and extended outwards from the first side edge or the second side edge to a side away from the feeding sheet, and the second connection portion is extended outwards from the other end of the first connection portion.

6. The antenna element of claim 5, wherein the radiation patch has two third side edges and two fourth side edges, the third side edges are spaced apart from each other, two ends of the third side edges are respectively and perpendicularly connected to the two fourth side edges, and the third side edges and the first side edges, and the fourth side edges and the second side edges are disposed at an included angle in projection on the substrate.

7. The antenna element of claim 1, further comprising a plurality of rivets, wherein the radiating plate and the support post are fixed to the power splitting plate by the rivets.

8. An antenna, characterized in that it comprises at least one antenna element according to any of claims 1-7.