CN108767431A - Antenna assembly and electronic equipment - Google Patents

Abstract

The embodiment of the application provides an antenna assembly and electronic equipment, wherein the antenna assembly comprises a metal substrate, and a through hole is formed in the first end part of the metal substrate adjacent to the first end part; a first antenna structure formed on a first side of the first end portion; the second antenna structure is formed in the middle of the first end part, and a first gap is formed between the second antenna structure and the first antenna structure; a third antenna structure formed on a second side of the first end portion, the third antenna structure and the second antenna structure having a second gap therebetween; the second antenna structure comprises a second feed end, a second grounding point and a frequency switching point, the second antenna structure is coupled with a second signal source through the second feed end, the second antenna structure is grounded through the second grounding point, the second antenna structure is connected with one end of the adjustable energy storage element through the frequency switching point, the other end of the adjustable energy storage element is grounded, and the adjustable energy storage element is used for adjusting the frequency band of an antenna signal transmitted by the second antenna structure. The antenna performance of the electronic equipment can be improved.

Description

Antenna components and electronics

technical field

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

Background technique

With the development of network technology and the improvement of the intelligence of electronic equipment, users can realize more and more functions through electronic equipment, such as calling, chatting, playing games and so on. Wherein, the user implements signal transmission through the antenna of the electronic device when playing games or browsing webpages with the electronic device.

However, with more and more functions of electronic equipment and the design of narrow bezel or full screen, especially the space occupied by the side of the electronic equipment is increasing, making the space on the side of the electronic equipment more and more limited, there will be occupation The clearance area where the antenna is located on the side of the electronic device affects the performance of the antenna.

Contents of the invention

Embodiments of the present application provide an antenna component and an electronic device, which can improve the antenna performance of the electronic device.

An embodiment of the present application provides an antenna assembly, including:

a metal substrate, the metal substrate has a through hole, the through hole penetrates the metal substrate in the thickness direction of the metal substrate, and the through hole is adjacent to the first end of the metal substrate;

a first antenna structure formed on a first side of the first end;

A second antenna structure is formed in the middle of the first end, a first gap is provided between the second antenna structure and the first antenna structure, and the first gap is directed from the first end toward The through hole is extended and communicated with the through hole;

A third antenna structure formed on a second side of the first end portion, the second antenna structure is disposed between the first antenna structure and the third antenna structure, the third antenna structure and the A second gap is provided between the second antenna structures, and the second gap is formed extending from the first end toward the through hole and communicated with the through hole;

The second antenna structure includes a second feed end, a second ground point and a frequency switching point, the second antenna structure is coupled with a second signal source through the second feed end, and the second antenna structure is coupled through The second ground point is grounded, the second antenna structure is connected to one end of the adjustable energy storage element through the frequency switching point, the other end of the adjustable energy storage element is grounded, and the adjustable energy storage element is used to adjust the The frequency band of the antenna signal transmitted by the second antenna structure.

An embodiment of the present application also provides an electronic device, including an antenna assembly, where the antenna assembly is the above-mentioned antenna assembly.

The antenna assembly provided by the embodiment of the present application includes a metal substrate, a first antenna structure, a second antenna structure and a third antenna structure, wherein there is a first gap between the first antenna structure and the second antenna structure, and the second antenna structure and the There is a second gap between the third antenna structures, the first antenna structure, the second antenna structure, the third antenna structure, the first gap and the second gap are arranged at the same end, even if the clearance area at the side of the electronic device is occupied , can also increase the antenna clearance area at the end of the electronic device, which can increase the radiation intensity at the end of the electronic device and improve the performance of the antenna of the electronic device. At the same time, the adjustable energy storage element connected to the second antenna structure can switch the transmission of the second antenna structure The frequency band of the antenna signal.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings that need to be used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative efforts.

FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of the present application.

FIG. 2 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.

FIG. 3 is a schematic diagram of a first structure of an antenna assembly provided by an embodiment of the present application.

FIG. 4 is a schematic diagram of a second structure of an antenna assembly provided by an embodiment of the present application.

FIG. 5 is a schematic diagram of a third structure of an antenna assembly provided by an embodiment of the present application.

FIG. 6 is a schematic diagram of a fourth structure of an antenna assembly provided by an embodiment of the present application.

FIG. 7 is a schematic diagram of a fifth structure of an antenna assembly provided by an embodiment of the present application.

FIG. 8 is a schematic diagram of a sixth structure of an antenna assembly provided by an embodiment of the present application.

FIG. 9 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application.

FIG. 10 is a schematic diagram of a fourth structure of an electronic device provided by an embodiment of the present application.

FIG. 11 is a schematic diagram of a fifth structure of an electronic device provided by an embodiment of the present application.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", " Orientation indicated by rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc. The positional relationship is based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the application and simplifying the description, and does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, Therefore, it should not be construed as limiting the application. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of said features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.

In the description of this application, it should be noted that unless otherwise specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. Connected, or integrally connected; it can be mechanically connected, or electrically connected, or can communicate with each other; it can be directly connected, or indirectly connected through an intermediary, and it can be the internal communication of two components or the interaction of two components relation. Those of ordinary skill in the art can understand the specific meanings of the above terms in this application according to specific situations.

In this application, unless otherwise expressly specified and limited, a first feature being "on" or "under" a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them. Moreover, "above", "above" and "above" the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature. "Below", "beneath" and "under" the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.

The following disclosure provides many different implementations or examples for implementing different structures of the present application. To simplify the disclosure of the present application, components and arrangements of specific examples are described below. Of course, they are examples only and are not intended to limit the application. Furthermore, the present application may repeat reference numerals and/or reference letters in various instances, such repetition is for simplicity and clarity and does not in itself indicate a relationship between the various embodiments and/or arrangements discussed. In addition, various specific process and material examples are provided herein, but one of ordinary skill in the art may recognize the use of other processes and/or the use of other materials.

In this application, an electronic device includes, but is not limited to, configured to connect via a wire line (such as via the Public Switched Telephone Network (PSTN), Digital Subscriber Line (DSL), digital cable, direct cable connection, and/or another data connection/network) and/or via (e.g., for a cellular network, a wireless local area network (WLAN), a digital television network such as a DVB-H network, a satellite network, an AM-FM broadcast transmitter, and/or another communication terminal) A device that receives/transmits communication signals over a wireless interface. A communication device arranged to communicate over a wireless interface may be referred to as a "wireless communication terminal", "wireless terminal" or "mobile terminal". Examples of mobile terminals include, but are not limited to, satellite or cellular telephones; Personal Communications Systems (PCS) terminals that may combine cellular radiotelephones with data processing, facsimile, and data communication capabilities; may include radiotelephones, pagers, Internet/Intranet access , a PDA with a web browser, organizer, calendar, and/or Global Positioning System (GPS) receiver; and a conventional laptop and/or palm-type receiver or other electronic device including a radiotelephone transceiver.

Embodiments of the present application provide an antenna component and electronic equipment. The details will be described respectively below. The antenna assembly can be disposed in the electronic device.

Please refer to FIG. 1 . FIG. 1 is a schematic diagram of a first structure of an electronic device provided by an embodiment of the present application. In this embodiment, the electronic device 100 includes a display screen 10 , a middle frame 20 , a circuit board 30 , a battery 40 and a rear cover 50 .

Wherein, the display screen 10 is installed on the rear cover 50 to form a display surface of the electronic device 100 . The display screen 10 serves as the front shell of the electronic device 100 , and forms a storage space with the rear cover 50 for accommodating other electronic components or functional modules of the electronic device 100 . Meanwhile, the display screen 10 forms a display surface of the electronic device 100 for displaying information such as images and texts. The display screen 10 may be a liquid crystal display (Liquid Crystal Display, LCD) or an organic light-emitting diode display (Organic Light-Emitting Diode, OLED) or other type of display.

In some embodiments, a glass cover may be disposed on the display screen 10 . Wherein, the glass cover can cover the display screen 10 to protect the display screen 10 and prevent the display screen 10 from being scratched or damaged by water.

In some embodiments, the display screen 10 may include a display area 11 and a non-display area 12 . Wherein, the display area 11 performs the display function of the display screen 10, and is used for displaying information such as images and texts. The non-display area 12 does not display information. The non-display area 12 can be used to set functional modules such as a camera, a receiver, and a proximity sensor. In some embodiments, the non-display area 12 may include at least one area located above and below the display area 11 .

Please refer to FIG. 2 . FIG. 2 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application. In this embodiment, the display screen 10 may be a full screen. At this time, the display screen 10 can display information in a full screen, so that the electronic device 100 has a larger screen ratio. The display screen 10 only includes a display area 11 and does not include a non-display area. At this time, functional modules such as a camera and a proximity sensor in the electronic device 100 can be hidden under the display screen 10 , while the fingerprint recognition module of the electronic device 100 can be arranged on the back of the electronic device 100 .

The middle frame 20 may be a thin plate or sheet structure, or a hollow frame structure. Wherein, the middle frame 20 can be accommodated in the accommodation space formed by the above-mentioned display screen 10 and the rear cover 50 . The middle frame 20 is used to provide support for the electronic components or functional modules in the electronic device 100, so as to install the electronic components and functional modules in the electronic device together. For example, functional modules such as a camera, a receiver, a circuit board, and a battery in an electronic device can be installed on the middle frame 20 for fixing. In some embodiments, the material of the middle frame 20 may include metal or plastic.

The circuit board 30 is installed inside the above-mentioned receiving space. For example, the circuit board 30 can be mounted on the middle frame 20 and accommodated together with the middle frame 20 in the above-mentioned receiving space. The circuit board 30 may be a main board of the electronic device 100 . A grounding point is provided on the circuit board 30 to realize the grounding of the circuit board 30 . The circuit board 30 may be integrated with one or more functional modules such as a motor, a microphone, a loudspeaker, a receiver, an earphone jack, a universal serial bus interface (USB interface), a camera, a proximity sensor, an ambient light sensor, a gyroscope, and a processor. indivual. Meanwhile, the display screen 10 may be electrically connected to the circuit board 30 .

In some embodiments, a display control circuit is disposed on the circuit board 30 . The display control circuit outputs electrical signals to the display screen 10 to control the display screen 10 to display information.

The battery 40 is installed inside the above-mentioned storage space. For example, the battery 40 can be installed on the middle frame 20 and accommodated together with the middle frame 20 in the above-mentioned receiving space. The battery 40 can be electrically connected to the circuit board 30 so that the battery 40 can provide power for the electronic device 100 . Wherein, the circuit board 30 may be provided with a power management circuit. The power management circuit is used to distribute the voltage provided by the battery 40 to various electronic components in the electronic device 100 .

The rear cover 50 is used to form the outer contour of the electronic device 100 . The rear cover 50 can be integrally formed. During the molding process of the rear cover 50 , structures such as a rear camera hole and a fingerprint identification module installation hole may be formed on the rear cover 50 .

As the screen-to-body ratio of the display screens of electronic devices continues to increase, for example, from the display screen shown in Figure 1 to the display screen shown in Figure 2, the distance between the screen and the middle frame is getting smaller and smaller, leaving more space for the middle frame. The headroom area of the frame antenna is getting smaller and smaller, and the performance of the antenna is also affected. Therefore, the embodiments of the present application provide an antenna component and an electronic device, which can improve the performance of the antenna under narrow headroom conditions. The antenna assembly and the electronic device of the embodiments of the present application will be described in detail below.

Please refer to FIG. 3 and FIG. 4. FIG. 3 is a schematic diagram of the first structure of the antenna assembly provided by the embodiment of the present application, and FIG. 4 is a schematic diagram of the second structure of the antenna assembly provided by the embodiment of the present application. The antenna assembly 500 can be installed in an electronic device, and the electronic device can refer to any of the above electronic devices, which will not be repeated here. The antenna assembly includes a metal substrate 551 with a plurality of antenna structures on the metal substrate 551 .

The metal substrate 551 has a first end portion 501 , a first side portion 503 , a second end portion 502 and a second side portion 504 . Wherein the first end portion 501 and the second end portion 502 are opposite, and the lengths of the first end portion 501 and the second end portion 502 may be the same. Wherein the first side portion 503 and the second side portion 504 are opposite, the lengths of the first side portion 503 and the second side portion 504 may be the same, and the first end portion 501 is located between the first side portion 503 and the second side portion 504, And the second end portion 502 is located between the first side portion 503 and the second side portion 504 . In some embodiments, the length of the first side portion 503 may be greater than the length of the first end portion 501 .

In some embodiments, the metal substrate 551 is provided with a through hole 560 , a first gap 540 and a second gap 550 at the position of the first end portion 501 . The through hole 560 runs through the metal substrate 551 in the thickness direction of the metal substrate 551 , the through hole 560 may be a strip hole or an arc hole, and the through hole 560 is adjacent to the first end portion 501 . Wherein the first gap 540 and the second gap 550 are spaced apart from each other, the first gap 540 and the second gap 550 are formed extending from the first end portion 501 toward the through hole 560, and the first gap 540 and the second gap 550 are respectively connected to the through hole. The hole 560 communicates. The through hole 560 is formed into three parts by the first gap 540 and the second gap 550, the second hole 562 between the first gap 540 and the second gap 550, the first hole 561 on the side of the first gap 541, And the third hole 563 located on one side of the second gap 550 . The first hole 561 and the third hole 563 are respectively located on two sides of the second hole 562 .

In some embodiments, the second hole 562 may be a strip-shaped hole. The first hole 561 may be an arc-shaped hole, and the first hole 561 is close to the connection position between the first end portion 501 and the first side portion 503 , that is, the first hole 561 is located at a corner of the metal substrate 551 . The arc structure of the first hole 561 is suitable for the corner structure adjacent thereto. The third hole 563 may be an arc-shaped hole, and the third hole 563 is close to the connection position between the first end portion 501 and the second side portion 504 , that is, the third hole 563 is located at another corner of the metal substrate 551 . The arc structure of the third hole 563 is suitable for the corner structure adjacent thereto. It should be noted that the structures of the first hole 561 , the second hole 562 and the third hole 563 are not limited thereto, and may also be in other shapes.

In some embodiments, the shape of the first hole 561 and the third hole 563 can be the same, the size of the first hole 561 and the third hole 563 can be the same, and the first hole 561 and the third hole 563 can be relative to the first hole 561. The two holes 562 are arranged symmetrically.

Wherein, the first gap 540 may be a rectangular hole, and the width of the first gap 540 may range from 1.5 mm to 2 mm. Wherein, the second gap 550 may be a rectangular hole, and the width of the second gap 55 may range from 1.5 mm to 2 mm. The formation of the first gap 540 and the second gap 550 may be the same, and the size of the first gap 540 and the second gap 550 may be the same. It should be noted that the shape and size of the first gap 540 and the second gap 550 are not limited thereto.

Wherein, the first gap 540, the second gap 550 and the second hole 562 form the second metal part 520, the second metal part 520 is located between the first gap 540 and the second gap 550, and the second metal part 520 is located in the second outside the hole 562. In some embodiments, the second metal portion 520 is a strip structure. The second metal part 520 can be used as the second antenna structure 520 , or the second metal part 520 can be used as the second radiator 520 . The second antenna structure 520 can be coupled with a second signal source 525, and the second antenna structure 520 can be coupled with a second ground point 523, so that the second antenna structure 520 can transmit and receive signals. The second antenna structure 520 may be coupled to a second signal source 525 through a second matching circuit 524 . Through the excitation of the second signal source 525 , energy can be excited on the second antenna structure 520 through the second matching circuit 524 to transmit and receive signals.

The antenna assembly 500 includes a first antenna structure 510, a second antenna structure 520 and a third antenna structure 530, wherein the first antenna structure 510 is formed on the first side of the first end portion 501; the second antenna structure 520 is formed on the first In the middle of the end portion 501 , the third antenna structure 530 is formed on the second side of the first end portion 501 , and the second antenna structure 520 is disposed between the first antenna structure 510 and the third antenna structure 530 .

The second antenna structure 520 includes a second feed end 522, a second ground point 523 and a frequency switching point 521, the second antenna structure 520 is coupled with a second signal source 525 through the second feed end 522, and the second antenna structure 520 passes through The second grounding point 523 is grounded, the second antenna structure 520 is connected to one end of the adjustable energy storage element 526 through the frequency switching point 521, and the other end of the adjustable energy storage element 526 is grounded, and the adjustable energy storage element 526 is used to adjust the second antenna structure 520 The frequency band of the transmitted antenna signal.

In the embodiment of the present application, the first antenna structure 510, the second antenna structure 520, the third antenna structure 530, the first gap 540, and the second gap 550 are formed at the same end of the metal substrate 551 (ie, the first end 501). , even if the clearance area at the side of the electronic device is occupied, the clearance area of the antenna at the end of the electronic device can be increased, the radiation intensity at the end of the electronic device can be improved, and the antenna performance of the electronic device can be improved. At the same time, the adjustable energy storage element 526 connected to the second antenna structure 520 switches the frequency band of the antenna signal transmitted by the second antenna structure 520 .

It should be noted that the metal substrate 551 can be made of metal material or alloy material, such as aluminum alloy, magnesium alloy and so on.

It should also be noted that the above is the manner in which three antenna structures (510, 520 and 530) are provided on the first end 501 of the metal substrate 551 according to the embodiment of the present application. It should be noted that the second end of the metal substrate 551 It is also possible for the section 502 to have three antenna structures. Of course, it is also possible to arrange three antenna structures on the first side part 503 or the second side part 504 . It should also be noted that it is also possible to arrange three antenna structures at both the first end portion 501 and the second end portion 502 .

Please refer to FIG. 5 . FIG. 5 is a schematic diagram of a third structure of an antenna assembly provided by an embodiment of the present application. The adjustable energy storage element 526 includes a switch 5261 and a plurality of inductors 5262, the inductances of the multiple inductors 5262 are not equal to each other, and the switch 5261 is used to determine the frequency at which an inductor 5262 is connected to from the plurality of inductors 5262. Switch between point 521 and ground. The figure only shows a solution of two inductors, and a solution of three, four or even more inductors connected in parallel may also be provided.

The common end of the switch 5261 is connected to the frequency switching point 521, and the multiple branch ends of the switch 5261 are respectively grounded through one of the multiple inductors 5262, and the switch 5261 is used to connect the common end to one of the multiple branch ends. connected. It is also possible to switch the common end of the switch 5261 to ground, and the multiple branch ends of the switch 5261 are respectively connected to the frequency switching point 521 through one of the multiple inductors 5262, and the switch 5261 is used to connect the common end to the multiple branch ends. a connection of . There are at least two inductors 5262, and one of the inductors 5262 is selected according to the frequency of the antenna signal that the second antenna structure 520 needs to transmit or receive. By switching the frequency through the inductor 5262 , better performance can be obtained within the frequency range of the antenna signal transmitted by the second antenna structure 520 . For example, the frequency band of the antenna signal transmitted by the second antenna structure 520 is 700M-960M, and good antenna performance can be obtained within this frequency range.

In some embodiments, the adjustable energy storage element may be an adjustable inductor. Frequency switching is realized by adjusting the inductance of the adjustable inductor.

Please refer to FIG. 6 , which is a schematic diagram of a fourth structure of the antenna assembly provided by the embodiment of the present application. In some embodiments, the adjustable energy storage element 526 may be an adjustable capacitor 5263 . That is, the frequency switching point 521 is grounded through an adjustable capacitor 5263, and there are no other components and no switch. Of course, it is also possible to switch the switch and multiple capacitors, the capacitance values of the multiple capacitors are not equal to each other, and the switch is used to determine a capacitor from the multiple capacitors to be connected between the frequency switching point 521 and the ground. Among them, the switch will have a large loss, so the effect of using an adjustable capacitor 5263 is better. The adjustable capacitor adjusts the frequency range of the antenna signal transmitted by the second antenna structure 520. Generally, it starts from the highest value. For example, the frequency band of the antenna signal that the second antenna structure 520 needs to transmit is 700M-960M. In the frequency range of 960M, better antenna performance is obtained, and the antenna performance is better than the scheme of using inductors to adjust, but in the range of 700M-824M, the antenna performance drops more. Therefore, if the frequency range to be adjusted is relatively small, an adjustable capacitor is preferred for adjustment, and if the frequency range to be adjusted is wide, an inductor is preferred for adjustment. It should be noted that the range in this embodiment is only an example, and the range in this embodiment may also be other range values.

In some embodiments, the antenna signal transmitted by the second antenna structure 520 is a low frequency antenna signal. That is, the antenna signal transmitted and/or received by the second antenna structure 520 is a low frequency antenna signal. The lower the frequency of the antenna signal, the longer the length of the corresponding antenna structure. The second antenna structure 520 is arranged in the middle of the first end portion 501, between the first gap 540 and the second gap 550. The second antenna structure 520 The length is limited, the second antenna structure 520 may include a second antenna radiator, and the length of the second antenna radiator may be 35mm-40mm. The length of the second antenna radiator can also be 30 mm. The adjustable energy storage element 526 needs to be used to adjust the frequency band to transmit antenna signals with wider frequency bands.

The first antenna structure 510 is connected to a first signal source through a first matching circuit 512 .

Specifically, please refer to FIG. 7 , which is a schematic diagram of a fifth structure of an antenna assembly provided by an embodiment of the present application. The first antenna structure 510 includes a first feed end 511 and a first ground point 514, and the antenna assembly further includes a second switch 515, and the second switch 515 includes an output end, a first input end, and a second input end; the second The feed end 522 is connected to the output end of the second switch 515, the first input end of the second switch 515 is connected to the first signal source 513 through the first capacitor 516, and the second input end of the second switch 515 is connected through the first resistor 517 is connected to the first signal source 513 .

The first antenna structure 510 is used to transmit medium and high frequency antenna signals. The first antenna structure 510 switches between the medium frequency antenna signal and the high frequency antenna signal through the second switching switch 515 , the first capacitor 516 and the first electric group 517 . When the second switch 515 selects the first capacitor 516 to be connected between the first feed terminal 511 and the first signal source 513, the first antenna structure 510 transmits an intermediate frequency antenna signal, and when the second switch 515 selects the first resistor 517 When connected between the first feeding end 511 and the first signal source 513, the first antenna structure 510 transmits high-frequency antenna signals. Wherein, the capacitance value of the first capacitor 516 may be between 0.5pf-1pf, and the first resistor 517 may be a resistance of 0Ω.

Please refer to FIG. 8 . FIG. 8 is a schematic diagram of a sixth structure of an antenna assembly provided by an embodiment of the present application. The first antenna structure 510 includes a first feeding end 511 and a first ground point 514 , and the first feeding end 511 is connected to a first signal source 513 through a second adjustable capacitor 519 .

The first antenna structure 510 is used to transmit medium and high frequency antenna signals, wherein the first feeding end 511 is connected to the first signal source 513 through the second adjustable capacitor 519 . By adjusting the capacitance value of the second adjustable capacitor 519, the first antenna structure 510 can transmit an intermediate frequency antenna signal or a high frequency antenna signal. Specifically, the second adjustable capacitor 519 includes a first capacitance value and a second capacitance value, and the first capacitance value is smaller than the second capacitance value. When the second adjustable capacitor 519 has the first capacitance value, the first antenna structure 510 transmits For intermediate frequency antenna signals, when the second adjustable capacitor 519 has a second capacitance value, the first antenna structure 510 transmits high frequency antenna signals.

In some embodiments, the first feeding end 511 is disposed between the first gap 540 and the first ground point 514, the second ground point 523 is disposed adjacent to the first gap 540, the first antenna structure 510 and the second antenna structure The 520 wirelessly couples and transmits antenna signals.

The first antenna structure 510 switches the intermediate frequency antenna signal and the high frequency antenna signal by switching the capacitance value of the second adjustable capacitor 519 . When the second adjustable capacitor 519 is a small capacitance, the first antenna structure 510 adopts the coupling feeding method to generate an intermediate frequency; when the second adjustable capacitor 519 is a large capacitance, the first antenna structure 510 adopts the IFA feeding method to generate High frequency, and then adjust the matching circuit of the first antenna structure 510 as required. Wherein, the first matching circuit of the first antenna structure 510 is arranged between the first signal source 513 and the second adjustable capacitor 519 .

In some embodiments, the mid-high frequency antenna signal may be generated by the first antenna structure 510 on one side of the first gap 540 and coupled to the part between the second ground point 523 and the first gap 540 in the second antenna structure 520, That is, the mid-high frequency antenna signal can be generated by the first radiator of the first antenna structure 510 at the first end 501 and the part of the radiator between the second ground point 523 and the first gap 540 in the second antenna structure 520 . Specifically, the first signal source 513 excites the first antenna structure 510 through the first matching circuit, and excites energy on the first antenna structure 510, while the first antenna structure 510 and the second antenna structure 520 pass electromagnetic energy for coupling.

In some embodiments, the second grounding point 523 is disposed adjacent to the first gap 540, the frequency switching point 521 is disposed adjacent to the second gap 550, and the second feeding end 522 is disposed between the second grounding point 523 and the frequency switching point 521 between.

The second grounding point 523 and the frequency switching point 521 are respectively arranged at both ends of the second antenna structure 520, and the second feeding terminal 522 is set between the second grounding point 523 and the frequency switching point 521, so that the second antenna structure can be utilized to the greatest extent. 520 in length. The antenna signal is radiated from the free end of the second antenna structure 520 adjacent to the second gap 550 .

In some embodiments, the second ground point 523 is disposed adjacent to the second gap 550, the frequency switching point 521 is disposed adjacent to the first gap 540, and the second feeder 522 is disposed between the second ground point 523 and the frequency switching point 521 between. The antenna signal is radiated from the free end of the second antenna structure 520 adjacent to the first gap 540 .

The first antenna structure 510 can be used to transmit and/or receive high frequency antenna signals, the first antenna structure 510 can also be used to transmit and/or receive intermediate frequency antenna signals, and the second antenna structure 520 can be used to transmit and/or receive low frequency antenna signals Signal. The electronic device includes four corners, which are respectively arranged on two sides of the top end and two sides of the bottom end of the electronic device. Wherein, the first antenna structure 510 is arranged at the first corner of the first end portion 501, and what the first antenna structure 510 transmits and/or receives is a high frequency antenna signal, the length of the first antenna structure 510 is relatively short, and the higher the frequency, the higher the The shorter the antenna structure, therefore, the first antenna structure 510 is arranged at the first corner, occupies a smaller length, and can extend from the first end 501 of the electronic device to the side along the first corner, that is, the first The antenna structure 510 is arc-shaped, and the corners of the metal substrate 551 are reasonably utilized, and the corners are not easily blocked during use. For example, when the electronic device is used with a vertical screen, the top corners of the electronic device are completely open and are not held by the user's hand, and the antenna performance is the best. The second antenna structure 520 is used to transmit and/or receive low-frequency antenna signals. The length of the second antenna structure 520 is relatively long, and the second antenna structure 520 can be conveniently arranged in the middle of the first end 501. The end of the device is not easily blocked, and the antenna performance can reach the best state. Moreover, using the structure of the existing metal substrate 551 itself, there is no need to install an additional antenna, and the strength of the metal substrate 551 can be improved while ensuring the performance of the antenna. In addition, a first gap 540 is provided between the first antenna structure 510 and the second antenna structure 520 , and antenna signals of the first antenna structure 510 and the second antenna structure 520 are emitted from the first gap 540 .

The first antenna structure 510 includes a first free end adjacent to the first gap 540 and a first connecting end opposite to the first free end, the first connecting end is connected to the main body 552 .

The first free end of the first antenna structure 510 is adjacent to the first gap 540, that is, the second antenna structure 520 is respectively arranged on both sides of the first gap 540, and the first connection between the first antenna structure 510 and the first free end is opposite. The end is connected to the main body portion 552 of the metal substrate 551 . Specifically, the first antenna structure 510 can be integrally formed with the main body 552 through the first connection end, and the first antenna structure 510 can also be connected with the main body 552 through a metal piece. Wherein, the first antenna structure 510 may be grounded through the first connection end. For example, the first connection end is grounded through a wire. If the main body 552 of the metal substrate 551 can be used as a reference ground, the first connection end can be grounded through the main body 552 . A first feeder 511 is provided between the two ends of the first antenna structure 510, the first signal source 513 of the electronic device is coupled with the first antenna structure 510 through the first feeder 511, and 511 transmits and/or receives antenna signals. The antenna signal is transmitted to the first free end (that is, the direction of the first gap 540) through the first feeding end 511 through the first antenna structure 510, and the first connection end of the first antenna structure 510 is grounded to reduce antenna interference, and at the same time fix the first antenna Structure 510.

In some embodiments, the third antenna structure 530 transmits a wireless fidelity signal (WIreless-FIdelity, WIFI) or transmits a GPS signal, and the third antenna structure 530 is arranged at the second corner of the first end portion 501, and the third antenna structure A second gap 550 is provided between the second antenna structure 530 and the second antenna structure 520 , and the second connection end of the third antenna structure 530 away from the second gap 550 is connected to the main body 552 . The third antenna structure includes a third feeding end 531 , and the third feeding end 531 is connected to a third signal source 533 through a third matching circuit 532 . The third antenna structure 530 can be used to receive GPS signals and wireless fidelity signals (WIFI signals). The third antenna structure 530 may also be grounded through a third ground point 534 .

The third antenna structure 530 is disposed at the second corner of the first end portion 501, and a second gap 550 is provided between the third antenna structure 530 and the second antenna structure 520, that is, the third antenna structure 530 and the second antenna structure 520 is disposed on both sides of the second gap 550 , and the second connection end of the third antenna structure 530 away from the second gap 550 is connected to the main body 552 . Specifically, the third antenna structure 530 can be integrally formed with the main body 552 through the second connection end, and the third antenna structure 530 can also be connected with the main body 552 through a metal piece. Wherein the third antenna structure 530 may be grounded through the second connection end. If the second connection end is grounded through a wire, if the main body 552 of the metal substrate 551 can be used as a reference ground, then the main body 552 is connected to the ground. A third feeding terminal is provided between the two ends of the third antenna structure 530, the third signal source 533 of the electronic device is coupled with the third antenna structure 530 through the third feeding terminal 531, and Transmit and/or receive antenna signals. The antenna signal is transmitted to the direction of the second gap 550 through the third antenna structure 530 through the third feeding end 531 , and the second connection end of the third antenna structure 530 is grounded to reduce antenna interference and fix the first antenna structure 510 at the same time.

In some embodiments, the first end 501 of the metal substrate 551 is the top, the second end 23 is the bottom, the first corner is the right side of the first end 501, that is, the upper right corner of the metal substrate 551, and the second The corner is the upper left corner of the metal substrate 551 , the third corner 73 is the lower left corner of the metal substrate 551 , and the fourth corner 74 is the lower right corner of the metal substrate 551 . Of course, the first end 501 can also be the bottom, and the second end 23 can also be the top. The first corner can also be the left side of the first end portion 501 , and the second corner can also be the right side of the first end portion 501 .

Please refer to FIG. 9 . FIG. 9 is a schematic diagram of a third structure of an electronic device provided by an embodiment of the present application. The electronic device further includes a camera 570 which is arranged in the middle of the first end 501 adjacent to the metal substrate 551 , and the second feeding end 522 and the frequency switching point 521 of the second antenna structure 520 are arranged on both sides of the camera 570 .

A camera 570 may be provided on an electronic device such as a smart phone, and the camera 570 may be a rear camera or a front camera. The camera 570 is arranged in the middle of the first end 501 adjacent to the metal substrate 551, that is, the camera 570 is arranged adjacent to the second antenna structure 520. Because of the position of the camera 570, the installation space of the adjustable energy storage element 526 is limited, so the second The two feeding terminals 522 and the frequency switching point 521 are set on both sides of the camera 570 . The closer the distance between the frequency switch point 521 and the second ground point 523, the better the antenna signal, but the smaller the adjustable frequency range; the farther the distance between the frequency switch point 521 and the second ground point 523, the weaker the antenna signal, but the frequency The larger the adjustable frequency range, so find a suitable position according to the frequency range that needs to be adjusted and the antenna signal. For example, the second ground point 523 is set adjacent to the first gap 540, and the frequency switching point 521 is set between the second gap 550 and the feeding end.

Please refer to FIG. 10 . FIG. 10 is a schematic diagram of a fourth structure of an electronic device provided by an embodiment of the present application. The metal substrate 551 in the electronic device also includes a main body portion 552, the through hole 560 is disposed between the main body portion 552 and the first end portion 501, and the second antenna structure 520 is connected to the main body portion 552 of the metal substrate 551 through the first connecting portion 553. Fixed connection, the second ground point 523 of the second antenna structure 520 is electrically connected to the main body portion 552 of the metal substrate 551 through the first connection portion 553 . The first connecting portion 553 can fix the second antenna structure 520 to the main body portion 552 of the metal substrate 551 while being grounded, and the main body portion 552 of the metal substrate 551 is integrally grounded.

It should be noted that the metal substrate 551 can be a metal middle frame of an electronic device such as a smart phone, the first end 501 is the top edge of the metal middle frame, the first antenna structure 510 is the first corner of the top edge, and the second antenna The structure 520 is the middle part of the top side, the third antenna structure 530 is the second corner of the top side, the first side corner and the second side corner are respectively arranged at both ends of the top side, and the metal middle frame also includes a main body part 552, The components in the electronic device can be arranged on the main body 552, the through hole 560 between the top edge of the metal middle frame and the middle of the main body 552, and the first gap 540 between the first corner and the middle part, the second corner and the The second gap 550 between the middle parts is filled with non-metallic material such as plastic, which is used to fix and connect the various components together, so as to make the various components non-conductive.

Please refer to FIG. 11 . FIG. 11 is a schematic diagram of a fifth structure of an electronic device provided by an embodiment of the present application. The electronic device 60 may include control circuitry, which may include storage and processing circuitry 61 . The storage and processing circuit 61 can be memory, such as hard disk drive memory, non-volatile memory (such as flash memory or other electronically programmable read-only memory used to form a solid-state drive, etc.), volatile memory (such as static or dynamic random access memory, etc.) access memory, etc.), etc., the embodiment of the present application is not limited. Processing circuitry in storage and processing circuitry 61 may be used to control the operation of electronic device 60 . The processing circuit may be implemented based on one or more microprocessors, microcontrollers, digital signal processors, baseband processors, power management units, audio codec chips, application specific integrated circuits, display driver integrated circuits, and the like.

The storage and processing circuit 61 can be used to run software in the electronic device 60, such as Internet browsing applications, Voice over Internet Protocol (Voice over Internet Protocol, VOIP) telephone call applications, email applications, media playback applications, operating system functions Wait. These software can be used to perform control operations such as camera based image acquisition, ambient light measurement based on ambient light sensor, proximity sensor based measurement based on proximity sensor, information based on status indicators such as status indicators such as LEDs Display functions, touch sensor based touch event detection, functions associated with displaying information on multiple (e.g. layered) displays, operations associated with performing wireless communication functions, operations associated with collecting and generating audio signals , control operations associated with collecting and processing button press event data, and other functions in the electronic device 60 are not limited by this embodiment of the present application.

Electronic device 60 may also include input-output circuitry 62 . The input-output circuit 62 can be used to enable the electronic device 60 to realize data input and output, that is, to allow the electronic device 60 to receive data from external devices and also to allow the electronic device 60 to output data from the electronic device 60 to external devices. The input-output circuit 62 may further include a sensor 63 . The sensor 63 can include an ambient light sensor, a proximity sensor based on light and capacitance, a touch sensor (for example, based on an optical touch sensor and/or a capacitive touch sensor, wherein the touch sensor can be a part of the touch screen or can be used as a The touch sensor structure is used independently), the acceleration sensor, and other sensors, etc.

Input-output circuitry 62 may also include one or more displays, such as display 64 . The display 64 may include one or a combination of liquid crystal displays, organic light emitting diode displays, electronic ink displays, plasma displays, and displays using other display technologies. Display 64 may include a touch sensor array (ie, display 64 may be a touchscreen display). The touch sensor may be a capacitive touch sensor formed from an array of transparent touch sensor electrodes such as indium tin oxide (ITO) electrodes, or may be a touch sensor formed using other touch technologies such as acoustic touch, pressure sensitive touch, resistive touch Touch, optical touch, etc. are not limited in this embodiment of the application.

The electronic device 60 may also include an audio component 65 . Audio component 65 may be used to provide audio input and output functionality for electronic device 60 . Audio components 65 in electronic device 60 may include speakers, microphones, buzzers, tone generators, and other components for generating and detecting sounds.

The communication circuit 66 may be used to provide the electronic device 60 with the ability to communicate with external devices. Communications circuitry 66 may include analog and digital input-output interface circuitry, and wireless communications circuitry based on radio frequency signals and/or optical signals. Wireless communication circuitry in communication circuitry 66 may include radio frequency transceiver circuitry, power amplifier circuitry, low noise amplifiers, switches, filters, and antennas. For example, the wireless communication circuit in the communication circuit 66 may include a circuit for supporting Near Field Communication (NFC) by transmitting and receiving near field coupled electromagnetic signals. For example, communication circuitry 66 may include a near field communication antenna and a near field communication transceiver. Communications circuitry 66 may also include cellular telephone transceiver circuitry and antennas, wireless local area network transceiver circuitry and antennas, and the like.

The electronic device 60 may further include batteries, power management circuits and other input-output units 67 . The input-output unit 67 may include buttons, joysticks, click wheels, scroll wheels, touch pads, keypads, keyboards, cameras, light emitting diodes and other status indicators, and the like.

A user may input commands through the input-output circuit 62 to control the operation of the electronic device 60 and may use the output data of the input-output circuit 62 to enable receiving status information and other output from the electronic device 60 .

In the foregoing embodiments, the descriptions of each embodiment have their own emphases, and for parts not described in detail in a certain embodiment, reference may be made to relevant descriptions of other embodiments.

The antenna assembly and the electronic device provided by the embodiments of the present application have been introduced in detail above. In this paper, specific examples are used to illustrate the principle and implementation of the application. The description of the above embodiments is only used to help understand the method and core idea of the application; meanwhile, for those skilled in the art, according to the application Thoughts, specific implementation methods and application ranges all have changes. In summary, the contents of this specification should not be construed as limiting the application.

Claims (11)

1. a kind of antenna module, which is characterized in that including：

Metal substrate, the metal substrate have through-hole, and the through-hole is on the thickness direction of the metal substrate through described Metal substrate, the through-hole are adjacent with the first end of metal substrate；

First antenna structure is formed in the first side of the first end；

Second antenna structure is formed in the centre of the first end, second antenna structure and the first antenna structure Between be equipped with the first gap, first gap extended to form from the first end towards the through-hole and with the through-hole connect It is logical；

Third antenna structure, is formed in the second side of the first end, and second antenna structure is arranged at described first day Between cable architecture and the third antenna structure, it is equipped between second between the third antenna structure and second antenna structure Gap, second gap extend to form from the first end towards the through-hole and are connected to the through-hole；

Second antenna structure includes the second feed end, the second earth point and frequency error factor point, and second antenna structure is logical It crosses second feed end to couple with second signal source, second antenna structure is grounded by second earth point, described Second antenna structure connects adjustable energy-storing element one end, another termination of adjustable energy-storing element by the frequency error factor point Ground, the adjustable energy-storing element are used to adjust the frequency range of the aerial signal of the second antenna structure transmission.

2. antenna module according to claim 1, which is characterized in that the adjustable energy-storing element include one switching switch and The inductance value of multiple inductors, the multiple inductor is not mutually equal, and the switching switch is for from the multiple inductor Determine that an inductor is connected between the frequency error factor point and ground.

3. antenna module according to claim 1, which is characterized in that the adjustable energy-storing element is variable inductor or can Adjust capacitor.

4. antenna module according to claim 1, which is characterized in that the second antenna structure transmission low-frequency antenna letter Number.

5. antenna module according to claim 1, which is characterized in that the first antenna structure include the first feed end and First earth point, first feed end connect the first signal source by the second tunable capacitor.

6. antenna module according to claim 1, which is characterized in that the first antenna structure include the first feed end and First earth point, the antenna module further include the second switching switch, and the second switching switch includes output end, the first input End and the second input terminal；Second feed end connects the output end of the second switching switch, the second switching switch First input end connects the first signal source by the first capacitor, and the second input terminal of the second switching switch passes through the first electricity Resistance the first signal source of connection.

7. antenna module according to claim 5 or 6, which is characterized in that first feed end is arranged described first Between gap and first earth point, adjacent first gap setting of second earth point, the first antenna structure utilizes Second earth point wireless coupling transmission antenna signal of second antenna structure.

8. antenna module according to claim 1, which is characterized in that adjacent first gap setting of second earth point, Adjacent second gap setting of the frequency error factor point, second feed end is set to second earth point and the frequency is cut Between changing a little.

9. a kind of electronic equipment, which is characterized in that including antenna module, the antenna module is any one of claim 1 to 8 institute The antenna module stated.

10. electronic equipment according to claim 9, which is characterized in that the electronic equipment further includes camera, described to take the photograph As the adjacent metal substrate first end among setting, second feed end of second antenna structure and described Frequency error factor point is arranged in the camera both sides.

11. electronic equipment according to claim 9, which is characterized in that the metal substrate further includes main part, described logical Hole is arranged between the main part and the first end, and second antenna structure passes through first connecting portion and the metal The main part of substrate is fixedly connected, and the second earth point of second antenna structure passes through the first connecting portion and the metal The main part of substrate is electrically connected.