CN213636292U

CN213636292U - Antenna and electronic equipment

Info

Publication number: CN213636292U
Application number: CN202022754289.XU
Authority: CN
Inventors: 汪建安
Original assignee: Hefei Lianbao Information Technology Co Ltd
Current assignee: Hefei Lianbao Information Technology Co Ltd
Priority date: 2020-11-23
Filing date: 2020-11-23
Publication date: 2021-07-06
Anticipated expiration: 2030-11-23

Abstract

The embodiment of the utility model discloses antenna and electronic equipment, the antenna includes: a ground part; the feed portion and the grounding portion form 50 ohm impedance, and electromagnetic waves are favorably radiated outwards; a multi-path switching unit connected to the feeding unit through a matching stub, the multi-path switching unit being matched with the matching stub to transmit a multi-path current; the first radiation branch node is connected with the multi-path conversion unit; the double-frequency coupling unit is connected to the first radiation branch section; the dual-frequency coupling unit and the multi-path switching unit are provided with two opposite parts, and a first gap is formed between the two opposite parts. The utility model discloses an antenna structure is simple, and occupation space is little, multipath conversion unit with match the minor matters and cooperate in order to transmit the multipath current for cross polarization can be realized to first radiation minor matters, and antenna gain is high, is applicable to the little adverse antenna environment of headroom.

Description

Antenna and electronic equipment

Technical Field

The embodiment of the utility model provides an antenna technical field especially relates to an antenna and electronic equipment.

Background

With the rapid development of wireless communication technology, the application of communication technology in scientific and technological products is increasing, corresponding communication products are also rapidly developed, and electronic equipment with wireless transmission function becomes an indispensable product in life.

In recent years, the appearance of electronic devices such as notebooks tends to meet the design requirements of narrow frames and large screens, and more antennas are placed inside a rotating shaft of the notebooks, so that the overall aesthetic property of the notebooks can be improved, but higher requirements are made on the size of the antennas in design, and how to ensure that the antennas are small in size and can be suitable for harsh antenna environments with small clearances in antenna design becomes a problem to be solved urgently in recent years.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned problem that exists among the prior art, the embodiment of the utility model provides an antenna that simple structure, size are less and the cost is lower, can be applicable to the little adverse antenna environment of headroom.

In order to solve the above problem, the embodiment of the present invention provides a technical solution:

an antenna for use in an electronic device, the antenna comprising:

a ground part;

the feed portion and the grounding portion form 50 ohm impedance, and electromagnetic waves are favorably radiated outwards;

a multi-path switching unit connected to the feeding unit through a matching stub, the multi-path switching unit being matched with the matching stub to transmit a multi-path current;

the first radiation branch node is connected with the multi-path conversion unit;

the double-frequency coupling unit is connected to the first radiation branch section;

the dual-frequency coupling unit and the multi-path switching unit are provided with two opposite parts, and a first gap is formed between the two opposite parts.

In some embodiments, an opening is formed outward from the center of the multi-path switching unit, the matching branch is connected to the center of the multi-path switching unit, the matching branch is shaped to fit the opening, and a gap is formed between the periphery of the matching branch and the opening.

In some embodiments, the first radiating branch has a vertical side and a horizontal side, the vertical side and the horizontal side are perpendicular to each other, the vertical side is connected with the dual-band coupling unit, and the horizontal side is connected with the multi-path switching unit.

In some embodiments, the antenna further comprises a second radiating stub connected to the first radiating stub;

the second radiation branch and the dual-frequency coupling unit are provided with two opposite and parallel parts, and a second gap is formed between the two parts.

In some embodiments, the second radiation branch comprises a parallel side parallel to the dual-band coupling unit, and a connecting side connected to the parallel side, and the other end of the connecting side is connected to an end of the transverse side away from the multi-path switching unit.

In some embodiments, the first radiating branch, the multipath converting unit, the matching branch and the dual-band coupling unit are all made of conductive metal structures.

In some embodiments, the second radiation branch is made of a conductive metal structure.

In some embodiments, the antenna is formed on a substrate.

The application also provides an electronic device comprising two antennas as described above to form a main antenna and a secondary antenna.

In some embodiments, the main antenna and the auxiliary antenna are oppositely arranged and respectively located at two ends of the electronic device.

Compared with the prior art, the utility model discloses beneficial effect lies in: the utility model discloses an antenna structure is simple, and occupation space is little, multipath conversion unit with match the minor matters and cooperate in order to transmit the multipath current for cross polarization can be realized to first radiation minor matters, and antenna gain is high, is applicable to the little adverse antenna environment of headroom.

Drawings

Fig. 1 is a schematic structural diagram of an antenna according to an embodiment of the present invention;

fig. 2 is an enlarged view of a portion B in fig. 1.

Reference numerals:

1-a ground part; 2-a feeding part; 3-matching branches; 4-a multipath conversion unit; 5-a first radiation branch; 51-vertical edge 51; 52-transverse edge; 6-a dual-frequency coupling unit; 7-a second radiation branch; 71-parallel edges; 72-connecting edge; 8-a substrate; s1 — first gap; s2 — second gap.

Detailed Description

For a better understanding of the technical aspects of the present disclosure, reference is made to the following detailed description taken in conjunction with the accompanying drawings. Embodiments of the present disclosure are described in further detail below with reference to the figures and the detailed description, but the present disclosure is not limited thereto.

The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element preceding the word covers the element listed after the word, and does not exclude the possibility that other elements are also covered. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.

In the present disclosure, when a specific device is described as being located between a first device and a second device, there may or may not be intervening devices between the specific device and the first device or the second device. When a particular device is described as being coupled to other devices, that particular device may be directly coupled to the other devices without intervening devices or may be directly coupled to the other devices with intervening devices.

All terms (including technical or scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs unless specifically defined otherwise. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate.

The disclosed embodiment provides an antenna, which is applied to an electronic device, and as shown in fig. 1 and fig. 2, the antenna includes: the antenna comprises a grounding part 1, a feeding part 2, a multipath conversion unit 4, a first radiation branch 5 and a dual-frequency coupling unit 6. In other embodiments, the antenna of the present application may be formed on the substrate 8, and the substrate 8 may be a printed circuit substrate 8 or a plastic bracket, which is not limited in this application.

In this embodiment, the power feeding portion 2 is disposed outside the substrate 8 and adjacent to the edge of the substrate 8. The feed part 2 and the grounding part 1 form 50 ohm impedance so as to be beneficial to radiating electromagnetic waves outwards, and the feed part 2 is connected with the matching branch 3 on the substrate 8 so as to feed the antenna; the matching branches 3 are connected with the multi-path conversion unit 4 in a matching mode so as to transmit multi-path current through the multi-path conversion unit 4; the multi-path conversion unit 4 is connected with a first radiation branch 5, and the first radiation branch 5 is connected with a dual-frequency coupling unit 6; the dual-band coupling unit 6 and the multi-path switching unit 4 have two opposite portions, and a first gap S1 is formed between the dual-band coupling unit 6 and the two opposite portions of the multi-path switching unit 4, so that the dual-band coupling unit 6 and the multi-path switching unit can be coupled, and the first radiation branch 5 can receive and transmit signals of a first frequency.

The utility model discloses an antenna passes through multipath conversion unit 4 with match branch 3 and cooperate in order to transmit the multipath current for cross polarization can be realized to first radiation branch 5, and antenna gain is high, can be applicable to the little adverse antenna environment of headroom.

In the present application, the shape of the multipath converting unit 4 may be set according to needs, and may be, for example, a substantially circular copper foil, or may be other shapes, which is not limited in the present application. Furthermore, an opening is formed outwards in the center of the multipath conversion unit 4, the matching branch 3 is matched in shape with the opening to penetrate through the opening to be connected with the center of the multipath conversion unit 4, a gap is reserved between the periphery of the matching branch 3 and the opening, and current distribution on the surface of the matching branch 3 in the gap forms multipath current through multiple reflections of the inner wall of the gap, so that the first radiation branch 5 can realize cross polarization, polarization efficiency is enhanced, and antenna gain is high.

In some embodiments, the first radiating branch 5 has a vertical side 51 and a horizontal side 52, which are perpendicular to each other, the vertical side 51 is connected to the dual-band coupling unit 6, and the horizontal side 52 is connected to the multi-path switching unit 4.

In some embodiments, the antenna further comprises a second radiating branch 7, the second radiating branch 7 being connected to the first radiating branch 5; the second radiation branch 7 and the dual-band coupling unit 6 have two opposite and parallel parts, and a second gap S2 is provided therebetween, so that the dual-band coupling unit 6 and the second radiation branch 7 can be coupled, and the second radiation branch 7 can receive and transmit signals of a second frequency.

In some embodiments, said second radiating branch 7 comprises a parallel side 71 and a connecting side 72, a portion of said parallel side 71 being parallel to said dual-band coupling element 6; the connecting side 72 has one end connected to the parallel side 71 and the other end connected to the end of the transverse side 52 away from the multipath switching unit 4.

In the present application, the multipath converting unit 4, the matching branch 3, the first radiating branch 5 and the dual-band coupling unit 6 are all conductors, and in some specific embodiments, all may be formed by conductive metal structures. The antenna in the present application may be cut and formed using a copper foil, which is not limited thereto.

The second radiating branch 7 of the present application is a conductor, and in some embodiments, the second radiating branch 7 may be formed of a conductive metal structure.

The application also provides an electronic device, which comprises two antennas as described above to form a main antenna and a secondary antenna, so that the electronic device can better transmit and receive signals without being influenced by the direction of use. In specific implementation, the main antenna and the auxiliary antenna are oppositely arranged and respectively located at two ends of the electronic device.

Moreover, although exemplary embodiments have been described herein, the scope thereof includes any and all embodiments based on the disclosure with equivalent elements, modifications, omissions, combinations (e.g., of various embodiments across), adaptations or alterations. The elements of the claims are to be interpreted broadly based on the language employed in the claims and not limited to examples described in the present specification or during the prosecution of the application, which examples are to be construed as non-exclusive. It is intended, therefore, that the specification and examples be considered as exemplary only, with a true scope and spirit being indicated by the following claims and their full scope of equivalents.

The above description is intended to be illustrative and not restrictive. For example, the above-described examples (or one or more versions thereof) may be used in combination with each other. For example, other embodiments may be used by those of ordinary skill in the art upon reading the above description. In addition, in the foregoing detailed description, various features may be grouped together to streamline the disclosure. This should not be interpreted as an intention that a disclosed feature not claimed is essential to any claim. Rather, the subject matter of the present disclosure may lie in less than all features of a particular disclosed embodiment. Thus, the following claims are hereby incorporated into the detailed description as examples or embodiments, with each claim standing on its own as a separate embodiment, and it is contemplated that these embodiments may be combined with each other in various combinations or permutations. The scope of the disclosure should be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled.

The above embodiments are merely exemplary embodiments of the present disclosure, which is not intended to limit the present disclosure, and the scope of the present disclosure is defined by the claims. Various modifications and equivalents of the disclosure may occur to those skilled in the art within the spirit and scope of the disclosure, and such modifications and equivalents are considered to be within the scope of the disclosure.

Claims

1. An antenna for use in an electronic device, the antenna comprising:

a ground part;

2. The antenna according to claim 1, wherein an opening is formed outward from a center of the multipath converting unit, the matching stub is connected to the center of the multipath converting unit, the matching stub has a shape adapted to the opening, and a gap is left between a periphery of the matching stub and the opening.

3. The antenna of claim 1, wherein the first radiating branch has a vertical side and a horizontal side perpendicular to each other, the vertical side is connected to the dual-band coupling unit, and the horizontal side is connected to the multi-path switching unit.

4. The antenna of claim 3, further comprising a second radiating stub connected to the first radiating stub;

5. The antenna of claim 4, wherein the second radiating branch comprises parallel sides parallel to the dual-band coupling element, and connecting sides connected to the parallel sides, and wherein the other end of the connecting sides is connected to an end of the transverse side away from the multi-path switching element.

6. The antenna of claim 1, wherein the first radiating branch, the multi-path switching element, the matching branch, and the dual-band coupling element are all made of conductive metal structures.

7. The antenna of claim 4, wherein the second radiating stub is made of a conductive metal structure.

8. The antenna of claim 1, wherein the antenna is formed on a substrate.

9. An electronic device comprising two antennas according to any of claims 1-8 to form a main antenna and a secondary antenna.

10. The electronic device of claim 9, wherein the main antenna and the secondary antenna are disposed opposite to each other and located at two ends of the electronic device, respectively.