CN109037918B

CN109037918B - Antenna assembly and electronic equipment

Info

Publication number: CN109037918B
Application number: CN201810821023.7A
Authority: CN
Inventors: 周林; 顾亮
Original assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Current assignee: Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority date: 2018-07-24
Filing date: 2018-07-24
Publication date: 2021-01-08
Anticipated expiration: 2038-07-24
Also published as: WO2020019836A1; CN109037918A

Abstract

The antenna assembly and the electronic equipment that this application embodiment provided, the antenna assembly includes metal main part, first metal connecting portion, second metal connecting portion and eight irradiators, first metal connecting portion and second metal connecting portion connect in the metal main part, be connected with first irradiator and second irradiator on the first metal connecting portion, be connected with third irradiator and fourth irradiator on the second metal connecting portion, first irradiator, second irradiator, third irradiator and fourth irradiator are used for the radio signal of the first frequency channel of receiving and dispatching the surface one side of metal main part is provided with fifth irradiator, sixth irradiator, seventh irradiator and eighth irradiator, fifth irradiator, sixth irradiator, seventh irradiator and eighth irradiator with the surface interval setting of metal main part, fifth irradiator, The sixth radiator, the seventh radiator and the eighth radiator are used for receiving and transmitting wireless signals of the second frequency band.

Description

Antenna assembly and electronic equipment

Technical Field

The application relates to the technical field of electronic equipment, in particular to an antenna assembly and electronic equipment.

Background

With the development of communication technology, mobile electronic devices such as mobile phones and tablet computers are increasingly widely used in daily life.

The antenna is a main electronic component for realizing the communication function of the electronic equipment, and is also one of indispensable electronic components, and meanwhile, the arrangement of a plurality of antennas becomes a design trend for ensuring good communication of the electronic equipment, but the existing electronic equipment comprises two long-term evolution antennas, a position positioning antenna and a wireless fidelity antenna, so that the number of the antennas is limited, and higher antenna requirements cannot be met.

Disclosure of Invention

The embodiment of the application provides an antenna assembly and electronic equipment to set up a plurality of antennas at electronic equipment, satisfy higher antenna demand.

An antenna assembly, comprising:

the metal main body part is of a flat plate structure and is provided with a first side surface and a second side surface which are oppositely arranged, a third side surface and a fourth side surface which are oppositely arranged, and a first surface and a second surface which are oppositely arranged, wherein the first side surface, the second side surface, the third side surface and the fourth side surface are arranged between the first surface and the second surface;

the first metal connecting part is connected to the third side face, and the second metal connecting part is connected to the fourth side face;

the first radiator is connected to one end, facing the first side face, of the first metal connecting portion, the second radiator is connected to one end, facing the second side face, of the first metal connecting portion, the third radiator is connected to one end, facing the first side face, of the second metal connecting portion, the fourth radiator is connected to one end, facing the second side face, of the second metal connecting portion, the first radiator, the second radiator, the third radiator and the fourth radiator are arranged at intervals with the metal main body portion, and the first radiator, the second radiator, the third radiator and the fourth radiator are used for receiving and transmitting wireless signals in a first frequency band; and

the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are arranged at intervals on the first surface of the metal main body part, and the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are used for receiving and transmitting wireless signals of a second frequency band.

An electronic device, comprising:

an antenna assembly as hereinbefore described; and

the circuit board, be provided with a plurality of feeds, a plurality of matching circuit and a plurality of return ground circuit on the circuit board, each in first irradiator, second irradiator, third irradiator, fourth irradiator, fifth irradiator, sixth irradiator, seventh irradiator and the eighth irradiator all passes through at least one matching circuit electricity connects one or more the feed is and pass through at least one return ground circuit ground connection.

The antenna assembly and the electronic device provided by the embodiments of the present application, the antenna assembly includes a metal body portion, a first metal connecting portion, a second metal connecting portion, and eight radiators disposed around the metal body portion, wherein the first metal connecting portion and the second metal connecting portion are connected to the metal body portion, the first radiator and the second radiator are connected to the first metal connecting portion, the third radiator and the fourth radiator are connected to the second metal connecting portion, the first radiator, the second radiator, the third radiator and the fourth radiator are used for receiving and transmitting radio signals of a first frequency band, the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are disposed at intervals on the surface of the metal body portion, and the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are used for receiving and transmitting radio signals of a second frequency band, the radiator is electrically connected to the feed source through a matching circuit of a circuit board of the electronic equipment to receive and transmit the wireless signal, so that the dual-band 4 x 4 5G-MIMO antenna is realized, the purpose of arranging a plurality of antennas on the electronic equipment is realized, and higher antenna requirements are met.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a perspective view of an electronic device according to an embodiment of the present disclosure.

Fig. 2 is a side view of an electronic device provided in an embodiment of the present application.

Fig. 3 is a schematic structural diagram of a first implementation of an antenna assembly provided in an example of the present application.

Fig. 4 is a schematic structural diagram of a second implementation mode of an antenna assembly provided in an example of the present application.

Fig. 5 is a schematic structural diagram of a third implementation mode of an antenna assembly provided in an example of the present application.

Fig. 6 is a schematic structural diagram of a fourth implementation of an antenna assembly provided in the examples of the present application.

Fig. 7 is a schematic structural diagram of a fifth implementation mode of an antenna assembly provided in an example of the present application.

Fig. 8 is a schematic structural diagram of a sixth implementation mode of an antenna assembly provided in an example of the present application.

Fig. 9 is a schematic structural diagram of a seventh implementation mode of an antenna assembly provided in an example of the present application.

Fig. 10 is a schematic structural diagram of a combination of an antenna assembly and a circuit board according to an embodiment of the present application.

Detailed Description

Referring to fig. 1, an electronic device 100 is provided according to an embodiment of the present disclosure.

The electronic device 100 comprises a front housing 101 and a rear housing 102. One side of the front case 101 may be provided with a protective cover 21, a display screen 22, and the like. The other side of the front case 101 and the rear case 102 together enclose a housing space to house other constituent elements, such as the antenna assembly 23, the circuit board 31, the battery 32, and the like.

In some embodiments, the front case 101 and the rear case 102 may be metal cases. It should be noted that, the material of the front shell 101 and the rear shell 102 in the embodiment of the present application is not limited thereto, and other manners may also be adopted, such as: the front case 101 and the rear case 102 may include a plastic part and a metal part. For another example: the front case 101 and the rear case 102 may be plastic cases.

Protection apron 21 can be for glass apron, sapphire apron, plastics apron etc. provide right display screen 22's guard action to prevent dust, aqueous vapor or oil stain etc. from attaching to display screen 22 avoids external environment to the corruption of display screen 22, prevents external environment to the impact force of display screen 22 simultaneously, avoids the breakage of display screen 22.

The protective cover 21 may include transparent and non-transparent regions. The transparent area is transparent and corresponds to the light-emitting surface of the display screen 22. The non-transparent region is non-transparent to shield an internal structure of the electronic device. The non-transparent area can be provided with holes for sound and light transmission, and the like.

It should be noted that the electronic device 100 of the embodiment of the present application may also be designed as a full screen without reserving the opaque region.

Referring to fig. 2, the electronic device 100 may have an earphone hole 105, a microphone hole 106, a speaker hole 108, and a usb interface hole 107 formed at a periphery thereof. The earphone hole 105, the microphone hole 106, the speaker hole 108, and the usb interface hole 107 are all through holes. It is understood that in some embodiments, the earphone aperture 105 may be omitted.

Referring to fig. 3 and 4, the antenna assembly 23 includes a metal body 231, a first metal connection 2321, a second metal connection 2322, and eight antenna structures 233.

The metal body 231 is a flat plate structure. The metal body 231 may be a magnesium alloy. The metal body 231 may serve as a middle frame of the electronic device 100 to support the whole electronic device 100.

In one embodiment, the metal body 231 includes a first side 231a, a second side 231b, a third side 231c, a fourth side 231d, a first surface 231e, and a second surface 231 f. The first side 231a and the second side 231b are oppositely disposed. The third side 231c and the fourth side 231d are oppositely disposed. The first surface 231e and the second surface 231f are oppositely disposed. The first, second, third and

fourth sides

231a, 231b, 231c and 231d are disposed between the first and

second surfaces

231e and 231 f. In the description of the present application, it is to be understood that the terms "first", "second", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features.

The first metal connection 2321 is connected to the third side 231 c. The second metal connecting portion 2322 is connected to the fourth side 231 d.

Each of the antenna structures 233 includes a radiator 2331, at least one feed 2332, at least one matching circuit 2333, and at least one return ground circuit 2334. The radiator 2331 is connected to one or more of the feed sources 2332 through at least one of the matching circuits 2333 and to ground through at least one of the ground circuits 2334. For example, in one embodiment, one of the radiators 2331 may be connected to two of the feeds 2332, each of the feeds 2332 being connected to the radiator 2331 by at least one of the matching circuits 2333. The ground circuit 2334 may be a circuit structure, a metal wire, or a connection point of the radiator 2331 and the first metal connection 2321 or the second metal connection 2322. The radiator 2331 includes a first radiator 2331a, a second radiator 2331b, a third radiator 2331c, a fourth radiator 2331d, a fifth radiator 2331e, a sixth radiator 2331f, a seventh radiator 2331g and an eighth radiator 2331 h. Each of the first radiator 2331a, the second radiator 2331b, the third radiator 2331c, the fourth radiator 2331d, the fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g and the eighth radiator 2331h is electrically connected to one or more of the feed sources 2332 through at least one of the matching circuits 2333 and is grounded through at least one of the ground return circuits 2334.

The eight antenna structures 233 include a first antenna structure 233a, a second antenna structure 233b, a third antenna structure 233c, a fourth antenna structure 233d, a fifth antenna structure 233e, a sixth antenna structure 233f, a seventh antenna structure 233g, and an eighth antenna structure 233 h.

The first antenna structure 233a includes a first radiator 2331a, a first feed 2332a, a first matching circuit 2333a, and a first return circuit 2334 a. The first radiator 2331a extends from one end of the first metal connecting portion 2321 toward the first side surface 231 a. The first radiator 2331a has a first feeding point 2336 a. The first feed 2332a is connected to a first feed point 2336a of the first radiator 2331a through the first matching circuit 2333 a. The first ground circuit 2334a of the first antenna structure 233a may be a connection point of the first radiator 2331a and the first metal connection 2321. The first feeding point 2336a is disposed at one end of the first radiator 2331a close to the first metal connection portion 2321.

The second antenna structure 233b includes a second radiator 2331b, a second feed 2332b, a second matching circuit 2333b, and a second return circuit 2334 b. The second radiator 2331b extends from one end of the first metal connection 2321 toward the second side 231 b. A second feeding point 2336b is disposed on the second radiator 2331 b. The second feed 2332b is connected to a second feeding point 2336b of the second radiator 2331b through the second matching circuit 2333 b. The second ground circuit 2334b of the second antenna structure 233b may be a connection point of the second radiator 2331b and the first metal connection 2321. The second feeding point 2336b is disposed at one end of the second radiator 2331b close to the first metal connection portion 2321.

The third antenna structure 233c includes a third radiator 2331c, a third feed 2332c, a third matching circuit 2333c, and a fourth return circuit 2334 d. The third radiator 2331c extends from one end of the second metal connection 2322 toward the first side 231 a. A third feeding point 2336c is disposed on the third radiator 2331 c. The third feed 2332c is connected to a third feeding point 2336c of the third radiator 2331c through the third matching circuit 2333 c. The third ground circuit 2334c of the third antenna structure 233c may be a connection point of the third radiator 2331c and the second metal connection 2322. The third feeding point 2336c is disposed at one end of the third radiator 2331c close to the second metal connection portion 2322.

The fourth antenna structure 233d includes a fourth radiator 2331d, a fourth feed 2332d, a fourth matching circuit 2333d and a fourth return circuit 2334 d. The fourth radiator 2331d extends from the second metal connecting portion 2322 toward one end of the second side surface 231b toward the second side surface 231 b. A fourth feeding point 2336d is disposed on the fourth radiator 2331 d. The fourth feed 2332d is connected to a fourth feeding point 2336d of the fourth radiator 2331d through the fourth matching circuit 2333 d. The fourth ground circuit 2334d of the fourth antenna structure 233d may be a connection point of the fourth radiator 2331d and the second metal connection 2322. The fourth feeding point 2336d is disposed at one end of the fourth radiator 2331d close to the second metal connection 2322.

The first radiator 2331a, the second radiator 2331b, the third radiator 2331c and the fourth radiator 2331d are all disposed at intervals from the metal body 231, that is, a gap is disposed between each of the first radiator 2331a, the second radiator 2331b, the third radiator 2331c and the fourth radiator 2331d and the metal body 231, and a filling part 234 is disposed in the gap to enhance the bonding strength between each of the first radiator 2331a, the second radiator 2331b, the third radiator 2331c and the fourth radiator 2331d and the metal body 231. The filling part 234 may be made of a non-metal material. The width of the gap between the first, second, third, and

fourth radiators

2331a, 2331b, 2331c, 2331d and the metal body 231 may be 1 mm to 2.5 mm.

The fifth antenna structure 233e includes a fifth radiator 2331e, a fifth feed 2332e, a fifth matching circuit 2333e and a fifth return circuit 2334 e. The fifth radiator 2331e is disposed on the first surface 231e of the metal body 231 and spaced apart from the first surface 231 e. A fifth feeding point 2336e and a fifth grounding point 2337e are disposed on the fifth radiator 2331 e. The fifth feed source 2332e is connected to a fifth feed point 2336e of the fifth radiator 2331e through the fifth matching circuit 2333 e. The fifth ground circuit 2334e of the fifth antenna structure 233e can be a metal wire. The fifth ground point 2337e of the fifth radiator 2331e is grounded through the fifth ground return circuit 2334 e. The fifth feeding point 2336e and the fifth grounding point 2337e are disposed at one end of the fifth radiator 2331e facing the first side 231 a.

The sixth antenna structure 233f includes a sixth radiator 2331f, a sixth feed 2332f, a sixth matching circuit 2333f, and a sixth return circuit 2334 f. The sixth radiator 2331f is disposed on the first surface 231e of the metal body 231 and spaced apart from the first surface 231 e. A sixth feeding point 2336f and a sixth grounding point 2337f are disposed on the sixth radiator 2331 f. The sixth feed 2332f is connected to a sixth feed point 2336f of the sixth radiator 2331f through the sixth matching circuit 2333 f. The sixth ground circuit 2334f of the sixth antenna structure 233f can be a metal wire. The sixth ground point 2337f of the sixth radiator 2331f is grounded through the sixth ground circuit 2334 f. The sixth feeding point 2336f and the sixth grounding point 2337f are disposed at one end of the sixth radiator 2331f facing the second side 231 b.

The seventh antenna structure 233g includes a seventh radiator 2331g, a seventh feed 2332g, a seventh matching circuit 2333g and a seventh return circuit 2334 g. The seventh radiator 2331g is disposed on the first surface 231e of the metal body 231 and spaced apart from the first surface 231 e. The seventh radiator 2331g is provided with a seventh feeding point 2336g and a seventh grounding point 2337 g. The seventh feed 2332g is connected to a seventh feeding point 2336g of the seventh radiator 2331g through the seventh matching circuit 2333 g. The seventh ground circuit 2334g of the seventh antenna structure 233g may be a metal wire. The seventh ground point 2337g of the seventh radiator 2331g is grounded through the seventh ground circuit 2334 g. The seventh feeding point 2336g and the seventh grounding point 2337g are disposed at one end of the seventh radiator 2331g facing the first side 231 a.

The eighth antenna structure 233h includes an eighth radiator 2331h, an eighth feed 2332h, an eighth matching circuit 2333h, and an eighth ground circuit 2334 h. The eighth radiator 2331h is disposed on the first surface 231e of the metal body 231 and spaced apart from the first surface 231 e. The eighth radiator 2331h is provided with an eighth feeding point 2336h and an eighth grounding point 2337 h. The eighth feed 2332h is connected to an eighth feed point 2336h of the eighth radiator 2331h through the eighth matching circuit 2333 h. The eighth ground circuit 2334h of the eighth antenna structure 233h can be a metal wire. The eighth ground point 2337h of the eighth radiator 2331h is grounded through the eighth ground circuit 2334 h. The eighth feeding point 2336h and the eighth grounding point 2337h are disposed at one end of the eighth radiator 2331h facing the second side 231 b.

The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g and the eighth radiator 2331h may be metal radiators arranged in the FPC, or metal radiators formed by using a Laser Direct Structuring (LDS) technique, or metal radiators formed by using a Print Direct Structuring (PDS) technique, or metal radiators formed by using a platen stainless steel frame.

The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g and the eighth radiator 2331h may be disposed on a support structure. The support structure may be a rear case of the electronic device or a support structure inside the electronic device.

The fifth radiator 2331e and the sixth radiator 2331f are sequentially arranged along a direction from the first side 231a to the second side 231b, the seventh radiator 2331g and the eighth radiator 2331h are sequentially arranged along a direction from the first side 231a to the second side 231b, the fifth radiator 2331e and the seventh radiator 2331g are sequentially arranged along a direction from the third side 231c to the fourth side 231d, and the sixth radiator 2331f and the eighth radiator 2331h are sequentially arranged along a direction from the third side 231c to the fourth side 231 d. The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g and the eighth radiator 2331h all extend in a direction from the first side 231a towards the second side 231 b.

The first radiator 2331a, the second radiator 2331b, the third radiator 2331c and the fourth radiator 2331d may be used to transmit and receive wireless signals of a first frequency band. The wireless signal of the first frequency band may be an N78(3.3 GHz-3.6 GHz) signal. The fifth radiator 2331e, the sixth radiator 2331f, the seventh radiator 2331g and the eighth radiator 2331h may be used to transmit and receive wireless signals of the second frequency band. The wireless signal of the second frequency band may be an N79(4.8 GHz-5 GHz) signal. The first antenna structure 233a, the second antenna structure 233b, the third antenna structure 233c, the fourth antenna structure 233d, the fifth antenna structure 233e, the sixth antenna structure 233f, the seventh antenna structure 233G, and the eighth antenna structure 233h may all be 5G antennas, thereby implementing a dual-band 4 × 4 5G-MIMO antenna. It is understood that, in one embodiment, the wireless signals in the first frequency band may be N79(4.8GHz to 5GHz) signals, and the wireless signals in the second frequency band may be N78(3.3GHz to 3.6GHz) signals.

The antenna assembly may further include a ninth radiator 2331i and a tenth radiator 2331 j. The ninth radiator 2331i is located at the first side 231 a. The tenth radiator 2331j is located at the second side 231 b. The ninth radiator 2331i and the tenth radiator 2331j are spaced apart from the first side 231a and the second side 231 b.

The ninth radiator 2331i includes a first portion a1, a second portion a2, and a third portion A3 connected in sequence. The first portion a1 is disposed on the third side 231 c. The second portion a2 is disposed on the first side 231 a. The third portion a3 is disposed on the fourth side 231 d. The first, second and third portions a1, a2 and A3 are disposed at intervals from the third, first and

fourth sides

231c, 231a and 231 d. A first gap 235a is formed between the first portion a1 and the first radiator 2331 a. A second gap 235b is formed between the third portion a3 and the third radiator 2331 c. The ninth radiator 2331i extends along the direction from the second side 231b to the first side 231a, along the direction from the third side 231c to the fourth side 231d, and along the direction from the first side 231a to the second side 231 b.

The tenth radiator 2331j includes a fourth portion a4, a fifth portion a5, and a sixth portion a6 connected in sequence. The fourth portion a4 is disposed on the third side 231 c. The fifth portion a5 is disposed on the second side 231 b. The sixth portion a6 is disposed on the fourth side 231 d. The fourth, fifth and sixth portions a4, a5 and a6 are each spaced apart from the third, second and

fourth sides

231c, 231b and 231 d. A third gap 235c is formed between the fourth portion a4 and the second radiator 2331 b. A fourth gap 235d is provided between the sixth portion a6 and the fourth radiator 2331 d. The tenth radiator 2331j extends along a direction from the first side 231a to the second side 231b, along a direction from the third side 231c to the fourth side 231d, and along a direction from the second side 231b to the first side 231 a.

The first, second, third and

fourth gaps

235a, 235b, 235c and 235b may have a width of 1 mm to 2.5 mm.

The ninth radiator 2331i and the tenth radiator 2331j are spaced apart from the metal body 231, that is, a gap is formed between the metal body 231 and the ninth radiator 2331i and the tenth radiator 2331j, and the filling part 234 may be disposed in the gap to enhance the bonding strength between the metal body 231 and the ninth radiator 2331i and the tenth radiator 2331 j. The filling part 234 may be made of a non-metal material. The width of the gap between the metal body 231 and the ninth radiator 2331i and the tenth radiator 2331j may be 1 mm to 2.5 mm.

The ninth radiator 2331i may be connected to a ninth feed 2332i, a ninth matching circuit 2333i and two band switching modules 2335. The ninth radiator 2331i is connected to the ninth feed 2332i through the ninth matching circuit 2333i and grounded through the two frequency switching modules, thereby forming a ninth antenna structure 233 i. The ninth radiator 2331i may be a radiator of a 4G Long Term Evolution (LTE) antenna to transmit and receive high/medium/low frequency 4G signals.

The ninth radiator 2331i may further be connected to a tenth feed 2332j, a tenth matching circuit 2333j and a tenth ground circuit. The tenth ground circuit may be a metal wire. The tenth radiator 2331j is connected to the tenth feed 2332j through the tenth matching circuit 2333j and is grounded through the tenth ground circuit, thereby forming a tenth antenna structure 233 j. The tenth radiator 2331j may be a radiator for transmitting a short-range antenna signal and/or a positioning signal, where the short-range antenna signal may be a Wireless-Fidelity (WIFI) signal, a bluetooth signal, or the like, and the positioning signal may be a GPS signal.

The tenth radiator 2331j may be connected to an eleventh feed 2332k, an eleventh matching circuit 2333k and a band switching module 2335. The tenth radiator 2331j is connected to the eleventh feed 2332k through the eleventh matching circuit 2333k and grounded through the frequency switching module, thereby forming an eleventh antenna structure 233 k. The tenth radiator 2331j may be a radiator of a 4G Long Term Evolution (LTE) antenna to transmit and receive high/medium/low frequency 4G signals.

The band switching module 2335 can be configured to switch a band according to a requirement, for example, the band switching module 2335 can include a single-pole double-throw switch, a first capacitor and a second capacitor, where capacitance values of the first capacitor and the second capacitor are different, a moving end of the single-pole double-throw switch is connected to a band switching point of the antenna structure, and two stationary ends of the single-pole double-throw switch are grounded through the first capacitor and the second capacitor, respectively. It will be appreciated that one or both of the first and second capacitors may be replaced with an inductor, or one or both of the first and second capacitors may be replaced with an LC circuit (i.e., a parallel circuit of inductance and capacitance). The values of the first capacitor and the second capacitor are set according to the frequency band corresponding to the antenna structure 233, and similarly, the values of the inductor and the LC circuit may also be set according to the frequency band corresponding to the antenna structure 233. It is also possible to replace the first capacitor and the second capacitor with one inductor and one LC circuit. The band switching module 2335 is used to switch the antenna signals of different bands.

Referring to fig. 5, in one embodiment, the antenna assembly further includes a first spacer 2361 and a second spacer 2362. The first and

second spacers

2361 and 2362 may be made of a metal material. The first isolation bar 2361 is disposed between the fifth radiator 2331e and the sixth radiator 2331 f. The second isolation bar 2362 is disposed between the seventh radiator 2331g and the eighth radiator 2331 h. The first and

second spacers

2361 and 2362 are grounded, so that the isolation between the fifth and

sixth radiators

2331e and 2331f is enhanced to reduce the interference between the signals transmitted and received by the fifth and

sixth radiators

2331e and 2331f, and the isolation between the seventh and

eighth radiators

2331g and 2331h is enhanced to reduce the interference between the signals transmitted and received by the seventh and

eighth radiators

2331g and 2331 h. The first isolation bar 2361 and the second isolation bar 2362 may be directly connected to the metal portion of the supporting structure, and then the metal portion of the supporting structure is connected to the metal main body 231 through the elastic sheet or the foam, thereby achieving the grounding purpose. In other embodiments, the first isolation bar 2361 and the second isolation bar 2362 may also be connected to the metal body 231 through elastic pieces.

Referring to fig. 6, in one embodiment, the fifth radiator 2331e and the seventh radiator 2331g extend along a direction from the first side 231a to the second side 231b, and the sixth radiator 2331f and the eighth radiator 2331h extend along a direction from the third side 231c to the fourth side 231 d. The fifth feeding point 2336e and the fifth grounding point 2337e are disposed at one end of the fifth radiator 2331e facing the first side 231 a. The sixth feeding point 2336f and the sixth grounding point 2337f are disposed at one end of the sixth radiator 2331f facing the fourth side 231 d. The seventh feeding point 2336g and the seventh grounding point 2337g are disposed at one end of the seventh radiator 2331g facing the first side 231 a. The eighth feeding point 2336h and the eighth grounding point 2337h are disposed at one end of the eighth radiator 2331h facing the third side 231 c.

An included angle between the extension directions of the fifth radiator 2331e and the sixth radiator 2331f is 90 degrees, so that the polarization directions of the fifth antenna structure 233e and the sixth antenna structure 233f are orthogonal, and thus the isolation between the fifth radiator 2331e and the sixth radiator 2331f is enhanced to reduce interference between signals received and transmitted by the fifth radiator 2331e and the sixth radiator 2331 f. An included angle between the extending directions of the seventh radiator 2331g and the eighth radiator 2331h is 90 degrees, so that the polarization directions of the seventh antenna structure 233g and the eighth antenna structure 233h are orthogonal, and thus the isolation between the seventh radiator 2331g and the eighth radiator 2331h is enhanced to reduce interference between signals received and transmitted by the seventh radiator 2331g and the eighth radiator 2331 h.

Referring to fig. 7, in one embodiment, the first radiator 2331a may further include a first ground point 2337 a. The first ground circuit 2334a and the first matching circuit 2333a can each be a metal wire. The first ground return 2334a is connected to the first ground point 2337a to ground the first radiator 2331 a. The first ground point 2337a is located between the first feeding point 2336a and the first metal connection 2321. The second radiator 2331b can also include a second ground point 2337 b. The second ground circuit 2334b and the second matching circuit 2333b can each be a metal wire. The second ground circuit 2334b is connected to the second ground point 2337b to ground the second radiator 2331 b. The second ground point 2337b is located between the second feeding point 2336b and the first metal connection 2321. The third radiator 2331c can also include a third ground point 2337 c. The third ground circuit 2334c and the third matching circuit 2332c may be metal wires. The third ground circuit 2334c connects the third ground point 2337c to ground the third radiator 2331 c. The third ground point 2337c is located between the third feeding point 2336c and the second metal connection 2322. The fourth radiator 2331d may further include a fourth grounding point 2337 d. The fourth ground circuit 2334d and the fourth matching circuit 2333d can each be a metal wire. The fourth ground circuit 2334d is connected to the fourth ground point 2337d to ground the fourth radiator 2331 d. The fourth ground point 2337d is located between the fourth feeding point 2336d and the second metal connection 2322.

Referring to fig. 8, in one embodiment, the first feeding point 2336a may be disposed at an end of the first radiator 2331a facing the second side 231 b. The first ground point 2337a may be disposed at an end of the first radiator 2331a facing the first side 231 a. The second feeding point 2336b may be disposed at an end of the second radiator 2331b facing the first side 231 a. The second ground point 2337b may be disposed at an end of the second radiator 2331b facing the second side 231 b. The third feeding point 2336c may be disposed at an end of the third radiator 2331c facing the second side 231 b. The third ground point 2337c may be disposed at an end of the third radiator 2331c facing the first side 231 a. The fourth feeding point 2336d may be disposed at an end of the fourth radiator 2331d facing the first side 231 a. The fourth grounding point 2337d may be disposed at an end of the fourth radiator 2331d facing the second side 231 b.

The fifth feeding point 2336e may be disposed at one end of the fifth radiator 2331e facing the first side 231 a. The fifth ground point 2337e may be disposed at an end of the fifth radiator 2331e facing the second side 231 b. The sixth feeding point 2336f may be disposed at an end of the sixth radiator 2331f facing the second side 231 b. The sixth ground point 2337f may be disposed at an end of the sixth radiator 2331f facing the first side 231 a. The seventh feeding point 2336g may be disposed at one end of the seventh radiator 2331g facing the first side 231 a. The seventh ground point 2337g may be disposed at an end of the seventh radiator 2331g facing the second side 231 b. The eighth feeding point 2336h may be disposed at an end of the eighth radiator 2331h facing the second side 231 b. The eighth ground point 2337h may be disposed at an end of the eighth radiator 2331h facing the first side 231 a.

In one embodiment, referring to fig. 9, one or a combination of at least two of a through hole 2311, a boss 2312 and a recess 2313 may be formed on the metal body 231 by punching or CNC milling.

The circuit board 31 is installed in the electronic device 100, and the circuit board 31 may be a main board of the electronic device 100. One, two or more of the functional components such as a motor, a microphone, a speaker, an earphone interface, a universal serial bus interface, a camera, a distance sensor, an ambient light sensor, a receiver, a processor and the like can be integrated on the circuit board 31. The earphone interface is arranged at the position of an earphone hole 105, the microphone is arranged at the position of a microphone hole 106, the universal serial bus interface is arranged at the position of a universal serial bus interface hole 107, and the loudspeaker is arranged at the position of a loudspeaker hole 108. It is understood that the earphone interface and the universal serial bus interface may be integrated into one interface, for example, a Micro USB interface, a Mini USB interface, or a Type-C interface having audio input and output functions.

In some embodiments, the circuit board 31 is fixed within the electronic device 100. Specifically, the circuit board 31 may be screwed to the metal body 231 of the antenna assembly 23 by screws, or may be snap-fitted to the antenna assembly 23. It should be noted that the way in which the circuit board 31 is specifically fixed to the antenna assembly 23 according to the embodiment of the present application is not limited to this, and other ways, such as a way of jointly fixing by a snap and a screw, are also possible.

Referring to fig. 10, a feed source 2332 and a matching circuit 2333 are disposed on the circuit board 31, and the radiator 2331 is electrically connected to the feed source 2332 through the matching circuit 2333.

The battery 32 is mounted in the electronic device 100, and the battery 32 is electrically connected to the circuit board 31 to supply power to the electronic device 100. The rear cover 102 may serve as a battery cover for the battery 32. The rear cover 102 covers the battery 32 to protect the battery 32, and particularly, the rear cover 102 covers the battery 32 to protect the battery 32, so that damage to the battery 32 due to collision, falling, and the like of the electronic device 100 is reduced.

It can be understood that, on the premise of not changing the slot shapes of the original 4G LTE antenna, Wi-Fi antenna, bluetooth antenna, and GPS antenna, the antenna assembly and the electronic device provided in the embodiments of the present application form the first radiator, the second radiator, the third radiator, and the fourth radiator on the metal main body portion by extending the slots, so as to implement a4 × 4MIMO antenna in a 5G N78 frequency band. Further, the fifth radiator, the sixth radiator, the seventh radiator, and the eighth radiator are formed on the antenna holder independent from the metal body part by means of FPC, LDS, PDS, or the like, so as to implement a4 × 4MIMO antenna of 5G N79 band. Thus, a dual-band 4 × 4 5G-MIMO antenna design is realized in a limited space.

The antenna assembly and the electronic device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are described herein using specific examples, which are provided only to help understanding the present application. Meanwhile, for those skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. An antenna assembly applied to an electronic device, comprising:

a first radiator, a second radiator, a third radiator and a fourth radiator, wherein the first radiator is connected to one end of the first metal connecting portion facing the first side surface, the second radiator is connected to one end of the first metal connecting portion facing the second side surface, the third radiator is connected to one end of the second metal connecting portion facing the first side surface, the fourth radiator is connected to one end of the second metal connecting portion facing the second side surface, the first radiator and the second radiator are arranged at intervals with respect to the third side surface of the metal main body portion, the third radiator and the fourth radiator are arranged at intervals with respect to the fourth side surface of the metal main body portion, and the first radiator, the second radiator, the third radiator and the fourth radiator are used for receiving and transmitting 5G wireless signals of a first frequency band, to realize MIMO transceiving of the 5G wireless signal of the first frequency band; and

the electronic device comprises a metal main body part, a fifth radiator, a sixth radiator, a seventh radiator and an eighth radiator, wherein the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are arranged on a support structure which is positioned inside the electronic device and is independent of the metal main body part, the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are arranged at intervals on the first surface of the metal main body part, the extension directions of the fifth radiator and the sixth radiator are orthogonal, and the extension directions of the seventh radiator and the eighth radiator are orthogonal; the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are used for receiving and transmitting 5G wireless signals of a second frequency band so as to realize MIMO (multiple input multiple output) receiving and transmitting of the 5G wireless signals of the second frequency band;

the first radiator, the second radiator, the third radiator, the fourth radiator, the fifth radiator, the sixth radiator, the seventh radiator and the eighth radiator are used for achieving MIMO transceiving of the dual-band 4 × 4 5G wireless signals of the first frequency band and the second frequency band;

the antenna assembly further comprises a ninth radiator, the ninth radiator is arranged opposite to the third side face, the first side face and the fourth side face at intervals, the ninth radiator is connected with a ninth feed source, a ninth matching circuit, two frequency band switching modules, a tenth feed source, a tenth matching circuit and a tenth ground return circuit, the ninth radiator, the ninth matching circuit, the ninth feed source and the two frequency band switching modules form a first signal loop to transmit 4G signals of a low/medium/high frequency band, and the ninth radiator, the tenth feed source, the tenth matching circuit and the tenth ground return circuit form a second signal loop to transmit short-distance signals and/or positioning signals.

2. The antenna assembly of claim 1, wherein: the fifth radiator and the sixth radiator are sequentially arranged along a direction from the first side to the second side, the seventh radiator and the eighth radiator are sequentially arranged along a direction from the first side to the second side, the fifth radiator and the seventh radiator are sequentially arranged along a direction from the third side to the fourth side, and the sixth radiator and the eighth radiator are sequentially arranged along a direction from the third side to the fourth side.

3. The antenna assembly of claim 2, wherein: the antenna assembly further comprises a first isolating strip and a second isolating strip, the first isolating strip is arranged between the fifth radiator and the sixth radiator, the second isolating strip is arranged between the seventh radiator and the eighth radiator, and the first isolating strip and the second isolating strip are both grounded.

4. The antenna assembly of claim 1, wherein: the first radiator has a first feed point, the first feed point is located the first radiator orientation the one end of first metal connecting portion, the second radiator has a second feed point, the second feed point is located the second radiator orientation the one end of first metal connecting portion, the third radiator has a third feed point, the third feed point is located the third radiator orientation the one end of second metal connecting portion, the fourth radiator has a fourth feed point, the fourth feed point is located the fourth radiator orientation the one end of second metal connecting portion.

5. The antenna assembly of claim 4, wherein: the first radiator is provided with a first grounding point, the first grounding point is positioned at one end, facing away from the first metal connecting part, of the first radiator, the second radiator is provided with a second grounding point, the second grounding point is positioned at one end, facing away from the first metal connecting part, of the second radiator, the third radiator is provided with a third grounding point, the third grounding point is positioned at one end, facing away from the second metal connecting part, of the third radiator, the fourth radiator is provided with a fourth grounding point, and the fourth grounding point is positioned at one end, facing away from the second metal connecting part, of the fourth radiator.

6. The antenna assembly of claim 4, wherein: the first radiator has a first ground point located between the first feed point and the first metal connecting portion, the second radiator has a second ground point located between the second feed point and the first metal connecting portion, the third radiator has a third ground point located between the third feed point and the second metal connecting portion, the fourth radiator has a fourth ground point located between the fourth feed point and the second metal connecting portion.

7. The antenna assembly of any one of claims 1-6, wherein: the fifth radiator has a fifth feeding point and a fifth grounding point, the fifth feeding point and the fifth grounding point are disposed at one end of the fifth radiator facing the first side surface, the sixth radiator has a sixth feeding point and a sixth grounding point, the sixth feeding point and the sixth grounding point are disposed at one end of the sixth radiator facing the second side surface, the seventh radiator has a seventh feeding point and a seventh grounding point, the seventh feeding point and the seventh grounding point are disposed at one end of the seventh radiator facing the first side surface, the eighth radiator has an eighth feeding point and an eighth grounding point, and the eighth feeding point and the eighth grounding point are disposed at one end of the eighth radiator facing the second side surface.

8. The antenna assembly of any one of claims 1-6, wherein: the fifth radiator has a fifth feeding point disposed at an end of the fifth radiator toward the first side surface and a fifth grounding point disposed at an end of the fifth radiator toward the second side surface, the sixth radiator has a sixth feeding point disposed at an end of the sixth radiator toward the second side surface and a sixth grounding point disposed at an end of the sixth radiator toward the first side surface, the seventh radiator has a seventh feeding point disposed at an end of the seventh radiator toward the first side surface and a seventh grounding point disposed at an end of the seventh radiator toward the second side surface, the eighth radiator has an eighth feeding point and an eighth grounding point, the eighth feeding point is disposed at an end of the eighth radiating body facing the second side surface, and the eighth grounding point is disposed at an end of the eighth radiating body facing the first side surface.

9. The antenna assembly of any one of claims 1, 2, and 4-6, wherein: the fifth radiator has a fifth feeding point and a fifth grounding point, the fifth feeding point and the fifth grounding point are disposed at one end of the fifth radiator facing the first side surface, the sixth radiator has a sixth feeding point and a sixth grounding point, the sixth feeding point and the sixth grounding point are disposed at one end of the sixth radiator facing the fourth side surface, the seventh radiator has a seventh feeding point and a seventh grounding point, the seventh feeding point and the seventh grounding point are disposed at one end of the seventh radiator facing the first side surface, the eighth radiator has an eighth feeding point and an eighth grounding point, and the eighth feeding point and the eighth grounding point are disposed at one end of the eighth radiator facing the third side surface.

10. The antenna assembly of claim 1, wherein: the antenna assembly further comprises a tenth radiator, wherein the tenth radiator is located on the second side face, and the tenth radiator and the second side face are arranged at intervals.

11. The antenna assembly of claim 10, wherein: the ninth radiator comprises a first portion, a second portion and a third portion which are sequentially connected, the first portion is arranged on the third side face, the second portion is arranged on the first side face, the third portion is arranged on the fourth side face, the first portion, the second portion and the third portion are arranged at intervals with the third side face, the first side face and the fourth side face, a first gap is formed between the first portion and the first radiator, and a second gap is formed between the third portion and the third radiator.

12. The antenna assembly of claim 10, wherein: the tenth radiator comprises a fourth portion, a fifth portion and a sixth portion which are sequentially connected, the fourth portion is arranged on the third side face, the fifth portion is arranged on the second side face, the sixth portion is arranged on the fourth side face, the fourth portion, the fifth portion and the sixth portion are arranged at intervals with the third side face, the second side face and the fourth side face, a third gap is formed between the fourth portion and the second radiator, and a fourth gap is formed between the sixth portion and the fourth radiator.

13. An electronic device, comprising:

an antenna assembly, the antenna assembly of any one of claims 1-12; and