CN215377686U

CN215377686U - Antenna assembly and electronic equipment

Info

Publication number: CN215377686U
Application number: CN202120975636.3U
Authority: CN
Inventors: 黄昌强; 郭征; 陈齐慧; 李定松; 念宇鹏; 李振威
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shikun Electronic Technology Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shikun Electronic Technology Co Ltd
Priority date: 2021-05-08
Filing date: 2021-05-08
Publication date: 2021-12-31
Anticipated expiration: 2031-05-08

Abstract

The embodiment of the utility model discloses an antenna assembly and electronic equipment, wherein the antenna assembly comprises a medium substrate; the copper-paving surface is arranged on the medium substrate, and clearance areas are arranged on two sides of the copper-paving surface; the first antenna unit and the second antenna unit are PCB antenna units, and are respectively arranged in clearance areas on two sides of the copper-paved surface; the radio frequency chip is arranged on the surface of the medium substrate, and the first antenna unit and the second antenna unit are both connected with the radio frequency chip. In the antenna assembly provided by the embodiment of the utility model, the first antenna unit and the second antenna unit are PCB antenna units and are arranged on the dielectric substrate, so that the thickness of the whole antenna assembly is thin, the occupied space of the electronic equipment in the thickness direction is small, and the ultra-thin design of the electronic equipment is facilitated.

Description

Antenna assembly and electronic equipment

Technical Field

The present invention relates to the field of antenna technologies, and in particular, to an antenna assembly and an electronic device.

Background

With the advance of science and technology, wireless communication technology is applied to a plurality of electronic devices, and the wireless data transmission function in the electronic devices needs to be supported by radio frequency devices such as radio frequency chips, antennas and the like.

In the prior art, an antenna in electronic equipment is generally a steel sheet antenna, even an external antenna is arranged outside the electronic equipment, and under the background that the electronic equipment needs to be ultra-thinned, the steel sheet antenna is too high, the installation space of the steel sheet antenna needs to be reserved inside the electronic equipment, so that the ultra-thinned setting of the electronic equipment is restricted, although the ultra-thinned setting of the electronic equipment is not influenced, a process of assembling the external antenna needs to be added when the whole electronic equipment is assembled, and the manufacturing cost of the electronic equipment is increased.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model aims to: the utility model provides an antenna module and electronic equipment to solve the too high problem that is unfavorable for electronic equipment complete machine ultra-thin design of current antenna.

To achieve the purpose, the embodiment of the utility model adopts the following technical scheme:

in a first aspect, there is provided an antenna assembly comprising:

a dielectric substrate;

the copper-paving surface is arranged on the medium substrate, and clearance areas are arranged on two sides of the copper-paving surface;

the first antenna unit and the second antenna unit are PCB antenna units, and are respectively arranged in clearance areas on two sides of the copper-paved surface;

the radio frequency chip is arranged on the surface of the medium substrate, and the first antenna unit and the second antenna unit are both connected with the radio frequency chip.

Optionally, the radio frequency chip, the first antenna unit, and the second antenna unit are disposed on the same surface of the dielectric substrate.

Optionally, a first grounded coplanar waveguide transmission line and a second grounded coplanar waveguide transmission line are arranged in the copper spreading surface, the first antenna unit is connected with the radio frequency chip through the first grounded coplanar waveguide transmission line, and the second antenna unit is connected with the radio frequency chip through the second grounded coplanar waveguide transmission line.

Optionally, the first antenna unit is provided with a first isolation branch, the second antenna unit is provided with a second isolation branch, and the first isolation branch and the second isolation branch are connected with the copper paving surface.

Optionally, the first antenna unit further includes a first feeding branch, a first radiating branch, and a first grounding branch;

the first feed branch is perpendicular to the first side of the copper-paved surface and connected with the first grounding coplanar waveguide transmission line, the first isolation branch and the first grounding branch are parallel to the first feed branch and located on two sides of the first feed branch respectively, one end of the first isolation branch is connected with the first side of the copper-paved surface, one end of the first grounding branch is connected with the first side of the copper-paved surface, the other end of the first grounding branch is connected with the first feed branch through a first middle branch, and one end of the first feed branch, which is far away from the copper-paved surface, is connected with the first radiation branch.

Optionally, the first radiating branch comprises a first L-shaped branch, a second L-shaped branch, and a third L-shaped branch;

the first branch of the first L-shaped branch is perpendicular to the first feed branch and extends from one end, away from the copper-paved surface, of the first feed branch to one side, provided with the first isolation branch, of the first feed branch, and the second branch of the first L-shaped branch extends from one end, away from the first feed branch, of the first branch to the copper-paved surface, so that one end, away from the copper-paved surface, of the first isolation branch is located in a gap formed by the first L-shaped branch and the first feed branch;

a third branch of the second L-shaped branch is perpendicular to the first feeding branch, the third branch extends from the first feeding branch to a side of the first feeding branch where the first grounding branch is disposed, and in a direction perpendicular to the first side of the copper-clad surface, the third branch is located between the first middle branch and the first branch, and a fourth branch of the second L-shaped branch extends from an end of the third branch far away from the first feeding branch to a direction far away from the copper-clad surface;

the fifth branch knot of third L shape branch knot with the fourth branch knot is perpendicular, and certainly the fourth branch knot is kept away from the one end of third branch knot to first feed branch knot is provided with one side extension of first isolation branch knot, the sixth branch knot of third L shape branch knot certainly the fifth branch knot is kept away from the one end of four branch knots to spread the copper face direction and extend, wherein, the fifth branch knot is located first branch knot is kept away from one side of spreading the copper face, the sixth branch knot is located the second branch knot is kept away from one side of first feed branch knot.

Optionally, the second antenna unit further includes a second feeding branch, a second radiating branch, and a second grounding branch;

second feed minor matters perpendicular to spread the second side of copper face and with the coplanar waveguide transmission line of second ground connection connects, the second keep apart the minor matters with second ground connection minor matters all with second feed minor matters are parallel and are located respectively the both sides of second feed minor matters, the one end that the minor matters was kept apart to the second with spread the second side of copper face and connect, second ground connection minor matters one end with spread the second side of copper face and connect, the other end pass through the middle minor matters of second with second feed minor matters is connected, second feed minor matters is kept away from spread the one end of copper face and connect the second radiation minor matters.

Optionally, the second radiating branch comprises a fourth L-shaped branch, a fifth L-shaped branch, and a sixth L-shaped branch;

a seventh branch of the fourth L-shaped branch is perpendicular to the second feeding branch and extends from one end, away from the copper-paved surface, of the second feeding branch to one side, provided with the second isolating branch, of the second feeding branch, and an eighth branch of the fourth L-shaped branch extends from one end, away from the second feeding branch, of the seventh branch to the copper-paved surface, so that one end, away from the copper-paved surface, of the second isolating branch is aligned with one end, away from the seventh branch, of the eighth branch;

a ninth branch of the fifth L-shaped branch is perpendicular to the second feeding branch, the ninth branch extends from the second feeding branch to a side of the second feeding branch where the second grounding branch is disposed, and in a direction perpendicular to a second side edge of the copper-clad surface, the ninth branch is located between the second middle branch and the seventh branch, and a tenth branch of the fifth L-shaped branch extends from an end of the ninth branch far away from the second feeding branch to a direction far away from the copper-clad surface;

the eleventh branch of the sixth L-shaped branch is perpendicular to the tenth branch, and extends from one end, away from the ninth branch, of the tenth branch to one side, provided with the second isolation branch, of the second feed branch, and the twelfth branch of the sixth L-shaped branch extends from one end, away from the tenth branch, of the eleventh branch to the direction of the copper-paved surface, wherein the eleventh branch is located on one side, away from the copper-paved surface, of the seventh branch, and the twelfth branch is located on one side, away from the first feed branch, of the eighth branch.

Optionally, the dielectric substrate is provided with a positioning hole.

In a second aspect, embodiments of the present invention provide an electronic device comprising the antenna assembly of any one of the first aspects.

The antenna assembly comprises a dielectric substrate, a copper-spreading surface, a first antenna unit, a second antenna unit and a radio frequency chip, wherein the copper-spreading surface is arranged on the dielectric substrate, clearance areas are arranged on two sides of the copper-spreading surface, the first antenna unit and the second antenna unit are PCB antenna units, the first antenna unit and the second antenna unit are respectively arranged in the clearance areas on the two sides of the copper-spreading surface, the radio frequency chip is arranged on the surface of the dielectric substrate, and the first antenna unit and the second antenna unit are both connected with the radio frequency chip. In the antenna assembly provided by the embodiment of the utility model, the first antenna unit and the second antenna unit are PCB antenna units and are arranged on the dielectric substrate, so that the thickness of the whole antenna assembly is thin, the occupied space of the electronic equipment in the thickness direction is small, and the ultra-thin design of the electronic equipment is facilitated.

Drawings

The utility model is explained in more detail below with reference to the figures and examples.

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

FIG. 2 is a schematic structural diagram of an antenna assembly according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of detail A of FIG. 2;

FIG. 4 is an enlarged schematic view of detail B of FIG. 2;

in the figure:

1. a dielectric substrate; 2. paving a copper surface; 21. a first side edge; 22. a second side edge; 3. a clean-out area; 4. a first antenna element; 41. a first isolated branch segment; 42. a first feed stub; 43. a first ground branch section; 431. a first intermediate branch; 44. a first radiating branch; 441. a first L-shaped branch section; 4411. a first branch section; 4412. a second branch knot; 442. a second L-shaped branch; 4421. a third branch knot; 4422. a fourth branch knot; 443. a third L-shaped branch knot; 4431. a fifth branch knot; 4432. a sixth branch knot; 5. a second antenna element; 51. a second isolated branch segment; 52. a second feed branch; 53. a second ground branch section; 531. a second intermediate branch; 54. a second radiating branch; 541. a fourth L-shaped branch; 5411. a seventh branch knot; 5412. an eighth branch knot; 542. a fifth L-shaped branch knot; 5421. a ninth branch knot; 5422. a tenth minor matters; 543. a sixth L-shaped branch; 5431. an eleventh branch section; 5432. a twelfth branch knot; 6. a radio frequency chip; 7. a first grounded coplanar waveguide transmission line; 8. a second grounded coplanar waveguide transmission line; 9. and (7) positioning the holes.

Detailed Description

In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1, an antenna assembly according to an embodiment of the present invention includes a dielectric substrate 1, a copper-clad surface 2, a first antenna unit 4, a second antenna unit 5, and a radio frequency chip 6.

The dielectric substrate 1 may be a PCB of an antenna assembly, the copper spreading surface 2 is disposed on the dielectric substrate 1, two sides of the copper spreading surface 2 are clearance areas 3, that is, no copper spreading exists on the surface of the clearance areas 3, and the first antenna unit 4 and the second antenna unit 5 may be disposed in the clearance areas 3 on two sides of the copper spreading surface 2, respectively. Specifically, the first antenna element 4 and the second antenna element 5 may be elements radiating electromagnetic waves, and in one example, the first antenna element 4 and the second antenna element 5 may be PCB antennas, that is, the first antenna element 4 and the second antenna element 5 may be metal sheets printed on the surface of the dielectric substrate 1 and having a specific shape, for example, copper sheets printed on the surface of the dielectric substrate 1 and having various shapes, wherein the first antenna element 4 and the second antenna element 5 may be electrically connected to the radio frequency chip 6 through a transmission line, such as the first antenna element 4 and the second antenna element 5 may be electrically connected to the radio frequency chip 6 through a transmission line printed on the dielectric substrate 1.

In the antenna assembly provided by the embodiment of the utility model, the first antenna unit and the second antenna unit are PCB antenna units and are arranged on the dielectric substrate, so that the thickness of the whole antenna assembly is thin, the occupied space of the electronic equipment in the thickness direction is small, and the ultra-thin design of the electronic equipment is facilitated.

As shown in fig. 1, in the preferred embodiment of the present invention, the rf chip 6, the first antenna unit 4, and the second antenna unit 5 are disposed on the same surface of the dielectric substrate 1, and more preferably, the rf chip 6, the first antenna unit 4, and the second antenna unit 5 are disposed on the surface of the dielectric substrate 1 on which the copper-clad surface 2 is disposed, on one hand, the rf chip 6, the first antenna unit 4, and the second antenna unit 5 are disposed on the same surface of the dielectric substrate 1, so that the thickness of the entire antenna assembly can be reduced to the maximum extent, the thickness space occupied by the antenna assembly in the electronic device is smaller, the electronic device can be made thinner, and on the other hand, the rf chip 6 does not need to be connected to the first antenna unit 4 and the second antenna unit 5 through via holes on the dielectric substrate 1, thereby simplifying the manufacturing process of the dielectric substrate 1.

In another alternative embodiment of the present invention, as shown in fig. 2, a first grounded coplanar waveguide transmission line 7 and a second grounded coplanar waveguide transmission line 8 are disposed in the copper-clad surface 2, the first antenna element 4 is connected to the rf chip 6 through the first grounded coplanar waveguide transmission line 7, and the second antenna element 5 is connected to the rf chip 6 through the second grounded coplanar waveguide transmission line 8. In particular, the first grounded coplanar waveguide transmission line 7 and the second grounded coplanar waveguide transmission line 8 may also be provided with an impedance matching circuit, for example, a pi-shaped matching circuit. Through setting up impedance matching circuit, can be after the frequency offset of antenna module the frequency of alignment, can also make antenna module and active device match to promote the whole radiation performance of antenna module.

In an optional embodiment of the present invention, the first antenna unit 4 and the second antenna unit 5 may also be connected to the radio frequency chip 6 through a microstrip transmission line, where the microstrip transmission line may be suitable for a circuit with a relatively narrow bandwidth in a microwave frequency band, and the microstrip transmission line circuit has a simple structure, is insensitive to a dielectric substrate processing process, a copper layer thickness and a thickness difference, and has a low manufacturing cost. The grounded coplanar waveguide transmission line has good anti-interference performance, relatively low radiation loss in a high-frequency band and can realize good high-order mode suppression, so that the grounded coplanar waveguide transmission line is suitable for transmission in a frequency band of 30GHz and above.

As shown in fig. 2, in an alternative embodiment of the present invention, the first antenna unit 4 is provided with a first isolation branch 41, the second antenna unit 5 is provided with a second isolation branch 51, the first isolation branch 41 and the second isolation branch 51 are both connected to the copper-clad surface 2, by providing an isolation branch connected to the copper-clad surface 2 in each of the first antenna unit 4 and the second antenna unit 5, the interference signal radiated by the first antenna unit 4 and the second antenna unit 5 can be guided to the isolation branch and then flow into the copper-clad surface 2, and the interference signal can be guided to the ground through the copper-clad surface 2, the first antenna unit 4 and the second antenna unit 5 have good isolation, and the first antenna unit 4 and the second antenna unit 5 operate in different frequency bands, in one example of the present invention, the first antenna unit 4 may operate at WiFi 2.4G, the second antenna unit 5 may operate at WiFi 5G, of course, the first antenna unit 4 and the second antenna unit 5 may also operate in other frequency bands, and the operating frequency bands of the first antenna unit 4 and the second antenna unit 5 are not limited in the embodiment of the present invention.

As shown in fig. 2, in an example of the present invention, the first antenna element 4 further includes a first feeding branch 42, a first radiating branch 44, and a first grounding branch 43, and the second antenna element 5 further includes a second feeding branch 52, a second radiating branch 54, and a second grounding branch 53.

In the first antenna unit 4, the first feeding branch 42 is perpendicular to the first side 21 of the copper-paved surface 2 and connected to the first grounded coplanar waveguide transmission line 7, the first isolation branch 41 and the first grounded branch 43 are both parallel to the first feeding branch 42 and located on both sides of the first feeding branch 42, one end of the first isolation branch 41 is connected to the first side 21 of the copper-paved surface 2, one end of the first grounded branch 43 is connected to the first side 21 of the copper-paved surface 2, the other end is connected to the first feeding branch 42 through the first middle branch 431, and one end of the first feeding branch 42, which is far away from the copper-paved surface 2, is connected to the first radiating branch 44.

Similarly, the second feeding branch 52 is perpendicular to the second side 22 of the copper-paved surface 2 and connected to the second grounding coplanar waveguide transmission line 8, the second isolating branch 51 and the second grounding branch 53 are both parallel to the second feeding branch 52 and respectively located on both sides of the second feeding branch 52, one end of the second isolating branch 51 is connected to the second side 22 of the copper-paved surface 2, one end of the second grounding branch 53 is connected to the second side 22 of the copper-paved surface 2, the other end of the second grounding branch is connected to the second feeding branch 52 through the second middle branch 531, and one end of the second feeding branch 52 far away from the copper-paved surface 2 is connected to the second radiating branch 54.

In the embodiment of the utility model, the first isolation branch 41 is arranged on the first antenna unit 4, the second isolation branch 51 is arranged on the second antenna unit 5, and the interference signals in the first antenna unit 4 and the second antenna unit 5 are guided to the ground through the isolation branches, so that the isolation between the first antenna unit 4 and the second antenna unit 5 is good, and the antenna assembly can realize dual-frequency operation.

In order to make the antenna assembly of the present invention more clearly understood by those skilled in the art, the specific structures of the first antenna unit 4 and the second antenna unit 5 are further described below with reference to fig. 2, fig. 3 and fig. 4.

As shown in fig. 3, the first radiating branch 44 includes a first L-shaped branch 441, a second L-shaped branch 442, and a third L-shaped branch 443, the first branch 4411 of the first L-shaped branch 441 is perpendicular to the first feeding branch 42 and extends from one end of the first feeding branch 42 away from the copper-clad surface 2 to one side of the first feeding branch 42 where the first isolating branch 41 is disposed, and the second branch 4412 of the first L-shaped branch 441 extends from one end of the first branch 4411 away from the first feeding branch 42 toward the copper-clad surface 2, so that one end of the first isolating branch 41 away from the copper-clad surface 2 is located in a gap formed by the first L-shaped branch 441 and the first feeding branch 42.

In the first antenna unit 4, the third branch 4421 of the second L-shaped branch 442 is perpendicular to the first feeding branch 42, the third branch 4421 extends from the first feeding branch 42 to the side of the first feeding branch 42 where the first grounding branch 43 is disposed, and in the direction perpendicular to the first side 21 of the copper-clad surface 2, the third branch 4421 is located between the first middle branch 431 and the first branch 4411, the fourth branch 4422 of the second L-shaped branch 442 extends from the end of the third branch 4421 away from the first feeding branch 42 to the direction away from the copper-clad surface 2, the fifth branch 4431 of the third L-shaped branch 443 is perpendicular to the fourth branch 4422, and extends from the end of the fourth branch 4422 away from the third branch 4421 to the side of the first feeding branch 42 where the first isolating branch 41 is disposed, the sixth branch 32 of the third L-shaped branch 443 extends from the end of the fifth branch 4431 to the direction away from the fourth branch 4422, the fifth branch 4431 is located on the side of the first branch 4411 away from the copper-clad surface 2, and the sixth branch 4432 is located on the side of the second branch 4412 away from the first feeding branch 42.

As shown in fig. 4, the second radiation branch 54 includes a fourth L-shaped branch 541, a fifth L-shaped branch 542, and a sixth L-shaped branch 543. The seventh branch 5411 of the fourth L-shaped branch 541 is perpendicular to the second feed branch 52, and extends from one end of the second feed branch 52 away from the copper-paved surface 2 to one side of the second feed branch 52 where the second isolation branch 51 is disposed, and the eighth branch 5412 of the fourth L-shaped branch 541 extends from one end of the seventh branch 5411 away from the second feed branch 52 toward the copper-paved surface 2, so that one end of the second isolation branch 51 away from the copper-paved surface 2 is aligned with one end of the eighth branch 5412 away from the seventh branch 5411.

A ninth branch 5421 of the fifth L-shaped branch 542 is perpendicular to the second feeding branch 52, the ninth branch 5421 extends from the second feeding branch 52 to a side of the second feeding branch 52 where the second grounding branch 53 is disposed, and in a direction perpendicular to the second side edge 22 of the copper-clad surface 2, the ninth branch 5421 is located between the second middle branch 531 and the seventh branch 5411, and the tenth branch 5422 of the fifth L-shaped branch 542 extends from an end of the ninth branch 5421 away from the second feeding branch 52 to a direction away from the copper-clad surface 2.

The eleventh branch 5431 of the sixth L-shaped branch 543 is perpendicular to the tenth branch 5422, and extends from one end of the tenth branch 5422, which is far away from the ninth branch 5421, to one side of the second feeding branch 52, where the second isolating branch 51 is disposed, the twelfth branch 5432 of the sixth L-shaped branch 543 extends from one end of the eleventh branch 5431, which is far away from the tenth branch 5422, to the direction of the copper-paved surface 2, wherein the eleventh branch 5431 is located on one side of the seventh branch 5411, which is far away from the copper-paved surface 2, and the twelfth branch 5432 is located on one side of the eighth branch 5412, which is far away from the second feeding branch 52.

It should be noted that, although the antenna structures of the first antenna unit 4 and the second antenna unit 5 in the embodiment of the present invention are described with reference to fig. 2, fig. 3, and fig. 4, in practical applications, a person skilled in the art may also set other antenna structures, the number of the antenna units is not limited to only 2, but may also be 2 or more than 2, the operating frequency bands of the antenna units are not limited to only 2.4G and 5G frequency bands, and the structure, the number, and the operating frequency bands of the antenna units are not limited in the embodiment of the present invention.

The first antenna unit 4 and the second antenna unit 5 of the embodiment of the utility model respectively work in 2.4G and 5G frequency bands, thereby realizing double-frequency work, having good isolation and directivity and being capable of realizing omnidirectional radiation.

As shown in fig. 2, in another optional embodiment of the present invention, the dielectric substrate 1 is further provided with positioning holes 9, specifically, the positioning holes 9 may be circular through holes, the number of the positioning holes 9 may be one or two, through the positioning holes 9, the antenna assembly may be quickly positioned and installed when installed on the electronic device, and no additional installation of a steel sheet antenna and an external antenna is required, thereby saving manpower and reducing the cost of the electronic device.

An embodiment of the present invention provides an electronic device, which includes an antenna assembly according to an embodiment of the present invention, and the antenna assembly may be installed in the electronic device.

In the electronic device of the embodiment of the utility model, the antenna assembly comprises a dielectric substrate, a copper-spreading surface, a first antenna unit, a second antenna unit and a radio frequency chip, wherein the copper-spreading surface is arranged on the dielectric substrate, clearance areas are arranged on two sides of the copper-spreading surface, the first antenna unit and the second antenna unit are PCB antenna units, the first antenna unit and the second antenna unit are respectively arranged in the clearance areas on two sides of the copper-spreading surface, the radio frequency chip is arranged on the surface of the dielectric substrate, and the first antenna unit and the second antenna unit are both connected with the radio frequency chip. In the antenna assembly provided by the embodiment of the utility model, the first antenna unit and the second antenna unit are PCB antenna units and are arranged on the dielectric substrate, so that the thickness of the whole antenna assembly is thin, the occupied space of the electronic equipment in the thickness direction is small, and the ultra-thin design of the electronic equipment is facilitated.

In the description herein, references to the description of "an embodiment," "an example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single technical solution, and such description is for clarity only, and those skilled in the art should take the description as a whole, and the technical solutions in the embodiments may be appropriately combined to form other embodiments that may be understood by those skilled in the art.

The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. An antenna assembly, comprising:

a dielectric substrate;

2. The antenna assembly of claim 1, wherein the radio frequency chip, first antenna element, and second antenna element are disposed on a same side of the dielectric substrate.

3. The antenna assembly of claim 1, wherein a first grounded coplanar waveguide transmission line and a second grounded coplanar waveguide transmission line are disposed within the copper plane, the first antenna element being connected to the radio chip via the first grounded coplanar waveguide transmission line, and the second antenna element being connected to the radio chip via the second grounded coplanar waveguide transmission line.

4. The antenna assembly of claim 3, wherein the first antenna element is provided with a first isolation stub, the second antenna elements are each provided with a second isolation stub, and the first isolation stub and the second isolation stub are each connected to the copper-clad surface.

5. The antenna assembly of claim 4, wherein the first antenna element further comprises a first feed leg, a first radiation leg, and a first ground leg;

6. The antenna assembly of claim 5, wherein the first radiating branch comprises a first L-branch, a second L-branch, and a third L-branch;

7. The antenna assembly of claim 5, wherein the second antenna element further comprises a second feed leg, a second radiating leg, and a second ground leg;

8. The antenna assembly of claim 7, wherein the second radiating branch comprises a fourth L-branch, a fifth L-branch, and a sixth L-branch;

9. The antenna assembly of any one of claims 1-8, wherein the dielectric substrate is provided with a locating hole.

10. An electronic device, characterized in that the electronic device comprises an antenna assembly according to any one of claims 1-9.