CN222735358U - Antenna components and electronic devices - Google Patents

Abstract

The utility model discloses an antenna assembly and electronic equipment, wherein the antenna assembly comprises a main board and comprises a first board surface and a second board surface opposite to the first board surface, a signal output end, a first grounding connection end and a second grounding connection end are arranged on the first board surface, the antenna comprises a first part and a second part, the first part and the second part are respectively positioned on one side of the main board far away from the second board surface, the first part and the second part are arranged at intervals, the first part is connected with a feed part and a first grounding part, the second part is connected with a second grounding part, the feed part is connected with the signal output end, the first grounding part is connected with the first grounding connection end, and the second grounding part is connected with the second grounding connection end, and the first part and the second part are coupled and matched.

Description

Antenna assembly and electronic equipment

Technical Field

The present utility model relates to the field of electronic devices, and in particular, to an antenna assembly and an electronic device.

Background

In recent years, with rapid development of consumer electronic products, electronic products such as smart phones, tablet computers and headphones have become a part of our lives, and along with improvement of the living standard of people, requirements of people on electronic products are also higher and higher, and compared with common wired headphones, TWS headphones are free from wire constraint, so that the TWS headphones are popular among a plurality of users due to the advantages of portability and compactness.

In order to increase the stronger functions of the conventional TWS earphone, some TWS earphones add the function of receiving and transmitting signals in the 5G frequency band, in the related art, two antennas need to be arranged in the TWS earphone, one of the two antennas works in the 2.4Ghz frequency band and one of the two antennas works in the 5Ghz frequency band, but in order to avoid mutual interference of the two antennas, the two antennas need to be separated by a larger distance, so that more space is required to be occupied, and the miniaturization requirement of the TWS earphone is not facilitated.

Disclosure of utility model

The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides an antenna assembly, which is beneficial to saving occupied space.

The utility model further provides electronic equipment with the antenna assembly.

The antenna assembly comprises a main board and an antenna, wherein the main board is provided with a first board surface and a second board surface opposite to the first board surface, a signal output end, a first grounding connection end and a second grounding connection end are arranged on the first board surface, the antenna comprises a first part and a second part, the first part and the second part are respectively located on one side, far away from the second board surface, of the main board, the first part and the second part are arranged at intervals, the first part is connected with a feeding part and a first grounding part, the second part is connected with a second grounding part, the feeding part is connected with the signal output end, the first grounding part is connected with the first grounding connection end, and the second grounding part is connected with the second grounding connection end, and the first part and the second part are coupled and matched.

The antenna assembly provided by the embodiment of the utility model has at least the following beneficial effects:

In the antenna assembly, on one hand, the first part and the second part of the antenna are arranged on the same side of the main board, compared with the situation that the first part and the second part of the antenna are respectively arranged on two sides of the main board, the space occupied by the antenna in the direction perpendicular to the main board can be reduced, on the other hand, the antenna assembly realizes the receiving and transmitting of the second frequency band signal by utilizing the coupling effect, and the second part is not required to be connected with other signal output ends, so that other signal output ends are not required to be arranged on the main board, and the space of the main board can be saved. In addition, in the antenna assembly of the utility model, the second part is coupled with the first part to transmit and receive signals, so the first part and the second part can be more compact, and the occupied space is reduced. Thus, the miniaturization design of the electronic equipment is facilitated.

According to some embodiments of the utility model, the first portion is spaced from the second portion in a direction parallel to the first panel.

According to some embodiments of the utility model, the first and second portions are each arcuate in configuration.

According to some embodiments of the utility model, the first portion has a first end and a second end, the second portion has a third end and a fourth end, the first end is opposite to the third end and is spaced apart, the first portion extends from the first end to the second end in an arc shape along a first direction, the second portion extends from the third end to the fourth end in an arc shape along a second direction, the fourth end is opposite to the second end and is spaced apart, wherein the first direction is opposite to the second direction.

According to some embodiments of the utility model, the feeding portion and the first grounding portion are both connected to a side of the first portion, and the feeding portion is located on a side of the first grounding portion near the first end.

According to some embodiments of the utility model, the second ground is connected at the third end.

According to some embodiments of the utility model, the first board surface is provided with a first elastic piece electrically connected to the signal output end, a second elastic piece electrically connected to the first grounding connection end, and a third elastic piece electrically connected to the second grounding connection end, the feeding portion is connected to the first elastic piece, the first grounding portion is connected to the second elastic piece, and the second grounding portion is connected to the third elastic piece.

According to some embodiments of the utility model, an antenna circuit is disposed on the motherboard, the antenna circuit includes a first wireless chip and a second wireless chip connected in parallel, a radio frequency switch, a filter and a matching network connected in series in sequence, the first wireless chip and the second wireless chip are respectively connected with the radio frequency switch, and the matching network is connected with the antenna.

An electronic device according to an embodiment of the second aspect of the utility model comprises an antenna assembly as described above.

The electronic equipment provided by the embodiment of the utility model has at least the following beneficial effects:

The electronic equipment comprises the antenna assembly, wherein the first part and the second part of the antenna are arranged on the same side of the main board, so that compared with the situation that the first part and the second part of the antenna are respectively arranged on two sides of the main board, the space occupied by the antenna in the direction perpendicular to the main board can be reduced, and on the other hand, the antenna assembly realizes the receiving and transmitting of signals in the second frequency band by utilizing the coupling effect, and the second part does not need to be connected with other signal output ends, so that the main board does not need to be provided with other signal output ends, and the space of the main board can be saved. In addition, in the antenna assembly of the utility model, the second part is coupled with the first part to transmit and receive signals, so the first part and the second part can be more compact, and the occupied space is reduced. Thus, the miniaturization design of the electronic equipment is facilitated.

According to some embodiments of the utility model, the electronic device is a TWS headset, the TWS headset includes a middle housing, the antenna assembly is disposed in the middle housing, and an axis of the antenna assembly is disposed parallel to an axis of the middle housing.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The utility model is further described with reference to the accompanying drawings and examples, in which:

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

fig. 2 is a schematic structural diagram of an antenna according to an embodiment of the present utility model;

Fig. 3 is a circuit diagram of an antenna circuit of the present utility model;

FIG. 4 is a schematic diagram of a TWS headset according to an embodiment of the present utility model;

Fig. 5 is a schematic structural view of a cap assembly according to an embodiment of the present utility model.

Reference numerals:

100. Antenna assembly, 110, main board, 111, first spring, 112, second spring, 113, third spring, 120, antenna, 121, first part, 121a, first end, 121b, second end, 1211, feeding part, 1212, first grounding part, 122, second part, 122a, third end, 122b, fourth end, 1221, second grounding part;

200. A middle shell;

300. The upper cover assembly comprises a first supporting piece 310, a second supporting piece 320, a third supporting piece 330 and a first supporting piece;

400. a lower housing assembly;

500. Earplug is provided.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", 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 to simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. 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, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1, an antenna assembly 100 provided by the present utility model includes a main board 110 and an antenna 120.

The main board 110 is a circuit board, and has a first board surface and a second board surface opposite to the first board surface, where a signal output end, a first ground connection end and a second ground connection end are disposed on the first board surface.

The antenna 120 includes a first portion 121 and a second portion 122, where the first portion 121 and the second portion 122 are both located on a side of the main board 110 away from the second board, and the first portion 121 and the second portion 122 are disposed at intervals, the first portion 121 is connected with a feeding portion 1211 and a first grounding portion 1212, the second portion 122 is connected with a second grounding portion 1221, the feeding portion 1211 is connected with a signal output end, the first grounding portion 1212 is connected with a first grounding connection end, and the second grounding portion 1221 is connected with a second grounding connection end.

It can be understood that the first portion 121 and the second portion 122 of the antenna 120 are both located on the same side of the motherboard 110 and are both close to the first board surface of the motherboard 110, the feeding portion 1211 of the first portion 121 is connected to the signal output end for receiving the radio frequency signal, the first grounding portion 1212 is connected to the first grounding connection end for realizing grounding, and the second grounding portion 1221 of the second portion 122 is connected to the second grounding connection end for realizing grounding.

It should be noted that the first portion 121 is coupled to the second portion 122.

It can be understood that when the antenna assembly 100 of the present utility model works, the signal output end of the main board 110 outputs a radio frequency signal to the first portion 121 through the feeding portion 1211, so that the first portion 121 of the antenna 120 realizes the transmission and reception of a first frequency band signal, the second portion 122 is coupled with the first portion 121, and the second portion 122 realizes the transmission and reception of a second frequency band signal under the coupling effect, so that the antenna assembly 100 of the present utility model can realize the transmission and reception functions of two signals of different frequency bands.

It should be noted that the first frequency band may be a signal in the 2.4GHz frequency band, and the second frequency band may be a signal in the 5GHz frequency band.

It will be appreciated that by varying the length of the first portion 121 and/or the second portion 122, the transceiving of the other two frequency band signals may be achieved.

It should be noted that, in the antenna assembly 100 of the present utility model, on one hand, the first portion 121 and the second portion 122 of the antenna 120 are disposed on the same side of the motherboard 110, and compared with the case that the first portion 121 and the second portion 122 of the antenna 120 are disposed on two sides of the motherboard 110, respectively, the space occupied by the antenna 120 in the direction perpendicular to the motherboard 110 can be reduced, and on the other hand, the antenna assembly 100 of the present utility model utilizes the coupling effect to realize the transceiving of the second frequency band signal, and the second portion 122 does not need to be connected to other signal output terminals, so that no other signal output terminals need to be disposed on the motherboard 110, and the space of the motherboard 110 can be saved. In addition, in the antenna assembly 100 of the present utility model, since the second portion 122 is coupled to the first portion 121 to transmit and receive signals, the first portion 121 and the second portion 122 can be more compactly disposed, thereby reducing the space occupation.

Note that, the materials of the first portion 121 and the second portion 122 of the antenna 120 may be, but not limited to, conductive materials such as copper and silver.

It will be appreciated that the first portion 121 and the second portion 122 of the antenna 120 are spaced apart in a direction parallel to the first plane. In this way, the space occupied by the antenna 120 in the direction perpendicular to the main board 110 can be reduced.

As shown in fig. 2, in some embodiments, the first portion 121 has a first end 121a and a second end 121b, the second portion 122 has a third end 122a and a fourth end 122b, the first end 121a is opposite to the third end 122a and spaced apart, the first portion 121 extends from the first end 121a to the second end 121b in an arc shape along a first direction, the second portion 122 extends from the third end 122a to the fourth end 122b in an arc shape along a second direction, and the fourth end 122b is opposite to the second end 121b and spaced apart.

The first direction is a counterclockwise direction in fig. 2, the second direction is a clockwise direction in fig. 2, and the first direction and the second direction are opposite directions. The first and second portions 121 and 122 are arranged as described above, and the overall profile of the first and second portions 121 and 122 approximates a non-closed circular shape, which may be easily installed in the cylindrical center case 200. In addition, the overall profile of the first portion 121 and the second portion 122 approximates a non-closed circular shape, and the space occupied by the antenna 120 in a direction parallel to the first plate surface can be reduced as compared to using the linear first portion 121 and the second portion 122.

In some embodiments, the feeding portion 1211 and the first grounding portion 1212 are both connected at a side of the first portion 121, the feeding portion 1211 is located at a side of the first grounding portion 1212 near the first end 121a of the first portion 121, and the second grounding portion 1221 is connected at the third end 122a of the second portion 122.

It will be appreciated that by disposing the power feeding portion 1211 on a side of the first ground portion 1212 that is proximate to the first end 121a of the first portion 121, that is, the power feeding portion 1211 may be brought closer to the first end 121a within the first portion 121, thereby facilitating a reduction in the length of the first portion 121.

It will be appreciated that the effective length of the first portion 121 is the length from the feed 1211 to the furthest distance from the feed 1211, such that in order to bring the effective length of the first portion 121 to a set point, it is advantageous to reduce the overall length setting of the first portion 121 by bringing the feed 1211 closer to the first end 121a within the first portion 121, thereby reducing the footprint.

As shown in fig. 1, in some embodiments, a first elastic piece 111 electrically connected to the signal output end, a second elastic piece 112 electrically connected to the first ground connection end, and a third elastic piece 113 electrically connected to the second ground connection end are disposed on the first board surface, the feeding portion 1211 is connected to the first elastic piece 111, the first ground portion 1212 is connected to the second elastic piece 112, and the second ground portion 1221 is connected to the third elastic piece 113.

It should be noted that, the first elastic piece 111, the second elastic piece 112, and the third elastic piece 113 are made of conductive materials, such as pure copper, pure silver, or conductive alloy.

As shown in fig. 3, it should be noted that the main board 110 is provided with an antenna circuit, the antenna circuit includes a first wireless chip and a second wireless chip connected in parallel, the first wireless chip is used for generating a signal in a first frequency band, the second wireless chip is used for generating a signal in a second frequency band, the antenna circuit further includes a radio frequency switch, a filter and a matching network connected in series in sequence, the first wireless chip and the second wireless chip are respectively connected with the radio frequency switch, and the matching network is connected with the antenna.

It can be understood that the radio frequency switch connects the first wireless chip and the second wireless chip back and forth at a time interval of microsecond level, so that the first wireless chip and the second wireless chip work at a time interval of microsecond level, but the time interval of the first wireless chip and the second wireless chip is too small, so that the antenna assembly 100 can realize the receiving and transmitting of the signals of the first frequency band and the second frequency band at the same time from a macroscopic view.

In this embodiment, the first wireless chip is a 2.4G wireless chip, and the second wireless chip is a 5G wireless chip.

It should be noted that, compared with the two sets of circuits for implementing the receiving and transmitting of signals by two different antennas, the antenna circuit simplifies the circuit design, saves elements and simultaneously saves occupation of a circuit board.

With reference to fig. 1, 4 and 5, the present utility model also provides an electronic device comprising an antenna assembly 100 as described above.

The electronic device may be a product such as an earphone, a watch, a mobile phone, a computer or electronic glasses.

The electronic device of the present utility model includes the antenna assembly 100, in which, in the antenna assembly 100, on one hand, the first portion 121 and the second portion 122 of the antenna 120 are disposed on the same side of the motherboard 110, and compared with the case that the first portion 121 and the second portion 122 of the antenna 120 are disposed on two sides of the motherboard 110, respectively, the space occupied by the antenna 120 in the direction perpendicular to the motherboard 110 can be reduced, on the other hand, the antenna assembly 100 of the present utility model utilizes the coupling effect to realize the transceiving of the second frequency band signal, and the second portion 122 does not need to be connected to other signal output terminals, so that no other signal output terminals need to be disposed on the motherboard 110, and the space of the motherboard 110 can be saved. In addition, in the antenna assembly 100 of the present utility model, since the second portion 122 is coupled to the first portion 121 to transmit and receive signals, the first portion 121 and the second portion 122 can be more compactly disposed, thereby reducing the space occupation. Thus, the miniaturization design of the electronic equipment is facilitated.

In this embodiment, the electronic device is a TWS earphone, the TWS earphone includes a middle case 200, the antenna assembly 100 is disposed in the middle case 200, and an axis of the antenna assembly 100 is disposed parallel to an axis of the middle case 200.

Further, the TWS earphone further includes an upper cover assembly 300 disposed on the middle case 200, where the upper cover assembly 300 covers the top opening of the middle case 200, and a first pressing member 310, a second pressing member 320, and a third pressing member 330 are disposed inside the upper cover assembly 300, where the first pressing member 310 is used to press the power feeding portion 1211, the second pressing member 320 is used to press the first grounding portion 1212, and the third pressing member 330 is used to press the second grounding portion 1221, so that the power feeding portion 1211, the first grounding portion 1212, and the second grounding portion 1221 make good contact with the first elastic sheet 111, the second elastic sheet 112, and the third elastic sheet 113, respectively.

It should be noted that the TWS earphone further includes a lower case assembly 400 connected to the lower end of the middle case 200, and an earplug 500 connected to the lower case assembly 400.

It can be appreciated that the TWS headset is a smart headset, and the TWS headset may be configured with call noise reduction and/or artificial intelligence noise reduction, and may also be configured with stereo surround functions, etc.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means 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, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the utility model as defined by the appended claims and their equivalents.

Claims (10)

1. An antenna assembly, comprising:

The main board is provided with a first board surface and a second board surface opposite to the first board surface, wherein the first board surface is provided with a signal output end, a first grounding connection end and a second grounding connection end;

The antenna, the antenna includes first portion and second portion, first portion with the second portion is located the mainboard is kept away from one side of second face, just first portion with the second portion interval sets up, first portion is connected with feed portion and first earthing portion, the second portion is connected with second earthing portion, feed portion with the signal output part is connected, first earthing portion with first ground connection end is connected, second earthing portion with second ground connection end is connected, wherein, first portion with second portion coupling cooperation.

2. The antenna assembly of claim 1, wherein the first portion is spaced from the second portion in a direction parallel to the first plane.

3. The antenna assembly of claim 1, wherein the first and second portions are each arcuate in configuration.

4. The antenna assembly of claim 1, wherein the first portion has a first end and a second end, the second portion has a third end and a fourth end, the first end is opposite the third end and spaced apart, the first portion extends arcuately from the first end in a first direction to the second end, the second portion extends arcuately from the third end in a second direction to the fourth end, the fourth end is opposite the second end and spaced apart, and wherein the first direction is opposite the second direction.

5. The antenna assembly of claim 4, wherein the feed and the first ground are both connected to sides of the first portion, the feed being located on a side of the first ground that is proximate the first end.

6. The antenna assembly of claim 4, wherein the second ground is connected at the third end.

7. The antenna assembly of claim 1, wherein the first board surface is provided with a first elastic piece electrically connected to the signal output end, a second elastic piece electrically connected to the first ground connection end, and a third elastic piece electrically connected to the second ground connection end, the feeding portion is connected to the first elastic piece, the first ground portion is connected to the second elastic piece, and the second ground portion is connected to the third elastic piece.

8. The antenna assembly of claim 1, wherein an antenna circuit is disposed on the motherboard, the antenna circuit comprising a first wireless chip and a second wireless chip connected in parallel with each other, a radio frequency switch, a filter, and a matching network connected in series in sequence, the first wireless chip and the second wireless chip being respectively connected to the radio frequency switch, the matching network being connected to the antenna.

9. An electronic device comprising an antenna assembly as claimed in any one of claims 1 to 8.

10. The electronic device of claim 9, wherein the electronic device is a TWS headset comprising a center housing, the antenna assembly is disposed within the center housing, and an axis of the antenna assembly is disposed parallel to an axis of the center housing.