CN219286657U - Antenna assembly and electronic equipment - Google Patents

Abstract

The present application provides an antenna assembly and electronic equipment; the antenna assembly includes an NFC chip, a cellular radio frequency chip, and at least two antenna radiators arranged in a nonlinear manner, and the antenna radiator is connected to the NFC chip and the cellular radio frequency chip respectively. The radio frequency chip is electrically connected so that the antenna radiator is multiplexed as an NFC antenna radiator and a cellular radio frequency antenna radiator. The antenna assembly provided by the embodiment of the present application can simplify the antenna structure, reduce the cost, and make the electronic device lighter and thinner by multiplexing a plurality of antenna radiators arranged in a nonlinear manner into an NFC antenna radiator and a cellular radio frequency antenna radiator. .

Description

Antenna components and electronic equipment

technical field

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

Background technique

The radiators of the NFC coil antenna in the antenna structure of conventional electronic devices are all on the back of the electronic device (taking a mobile phone as an example), and the card swiping area of the mobile phone is mainly concentrated on the back of the mobile phone. Users need to use a specific posture, which is not convenient; The body is on the back of the mobile phone, which increases the thickness of the mobile phone; the antenna radiator of the common antenna is concentrated on the top of the mobile phone, and the NFC function can be realized on the front, top, and back of the mobile phone, but the coverage is not enough.

Utility model content

The first aspect of the embodiment of the present application provides an antenna assembly. The antenna assembly includes an NFC chip, a cellular radio frequency chip, and at least two antenna radiators arranged in a nonlinear manner. The antenna radiators are respectively connected to the NFC chip and the antenna radiator. The cellular radio frequency chip is electrically connected so that the antenna radiator is multiplexed as an NFC antenna radiator and a cellular radio frequency antenna radiator.

In the second aspect, the embodiment of the present application provides an electronic device, the electronic device includes a casing, a display module, a control circuit board, and the antenna assembly described in the above embodiment, the casing and the display The modules cooperate to form an accommodating space, and the control circuit board is arranged in the accommodating space and is electrically connected with the NFC chip and the cellular radio frequency chip of the display module and the antenna assembly.

The antenna assembly provided by the embodiment of the present application can simplify the antenna structure, reduce the cost, and make the electronic device lighter and thinner by multiplexing a plurality of antenna radiators arranged in a nonlinear manner into an NFC antenna radiator and a cellular radio frequency antenna radiator. .

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings that need to be used in the description of the embodiments will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application. For those skilled in the art, other drawings can also be obtained based on these drawings without creative effort.

FIG. 1 is a schematic structural diagram of an embodiment of an antenna assembly used in an electronic device according to the present application;

FIG. 2 is a schematic structural diagram of another embodiment of an antenna assembly used in an electronic device according to the present application;

FIG. 3 is a schematic circuit diagram of an embodiment of the first matching circuit in this embodiment;

FIG. 4 is a schematic structural diagram of another embodiment of an antenna assembly used in an electronic device according to the present application;

FIG. 5 is a schematic structural diagram of an embodiment of the electronic device of the present application;

Fig. 6 is a schematic cross-sectional view of the structure of the electronic device at A-A in the embodiment of Fig. 5;

FIG. 7 is a schematic diagram of a structural composition block diagram of an embodiment of the electronic device of the present application.

Detailed ways

The application will be described in further detail below in conjunction with the accompanying drawings and embodiments. In particular, the following examples are only used to illustrate the present application, but not to limit the scope of the present application. Likewise, the following embodiments are only some of the embodiments of the present application but not all of them, and all other embodiments obtained by those skilled in the art without creative efforts fall within the protection scope of the present application.

The terms "first", "second", and "third" in the embodiments of the present application are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, features defined as "first", "second", and "third" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined. All directional indications (such as up, down, left, right, front, back...) in the embodiments of the present application are only used to explain the relative positional relationship between the various components in a certain posture (as shown in the drawings) , sports conditions, etc., if the specific posture changes, the directional indication also changes accordingly. The terms "comprising" and "having" and any variations thereof in the embodiments of the present application are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device comprising a series of steps or units is not limited to the listed steps or units, but optionally also includes unlisted steps or units, or optionally further includes For other steps or components inherent in those processes, methods, products, or devices.

Reference herein to an "embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application. The occurrences of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is understood explicitly and implicitly by those skilled in the art that the embodiments described herein can be combined with other embodiments.

"Electronic equipment" (or simply "terminal") as used herein includes, but is not limited to, configured to direct cable connection, and/or another data connection/network) and/or via (for example, for cellular networks, wireless local area networks (WLAN), digital television networks such as DVB-H networks, satellite networks, AM-FM broadcast transmitters , and/or a device for receiving/sending communication signals via a wireless interface of another communication terminal. A communication terminal 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. A mobile phone is an electronic device equipped with a cellular communication module.

Please refer to FIG. 1. FIG. 1 is a schematic structural diagram of an embodiment of an antenna assembly for electronic equipment in this application. It should be noted that electronic equipment in this application may include mobile phones, tablet computers, notebook computers, wearable devices, etc. An electronic device with the function of transmitting and receiving wireless signals. The antenna assembly 100 for electronic equipment includes an NFC chip (represented by an NFC feed 110), a cellular radio frequency chip (represented by a cellular radio frequency feed 120) and at least two antenna radiators 130 in a nonlinear arrangement, the antenna The radiator 130 is electrically connected to the NFC chip (NFC feed 110) and the cellular radio frequency chip (cellular radio frequency feed 120) respectively, so that the antenna radiator 130 is multiplexed as an NFC antenna radiator and a cellular radio frequency antenna radiator.

Optionally, the antenna radiator 130 in this embodiment includes a first antenna radiator 131 (the position of the first antenna radiator can also be on the right side of the mobile phone) and a second antenna radiator 132, and the first antenna radiator 131 and the extending direction of the second antenna radiator 132 are perpendicular to each other. Wherein, the first antenna radiator 131 and the second antenna radiator 132 may be a part of the metal frame of the electronic device, for example, may be formed by cutting off the metal frame of the electronic device by etching or machining. In addition, the first antenna radiator 131 and the second antenna radiator 132 may also be FPC antennas or MDA (Metal Decoration Antenna, Metal Decoration Antenna) antennas and other structures disposed in the casing of the electronic device.

Please refer to FIG. 2. FIG. 2 is a schematic structural diagram of another embodiment of an antenna assembly used in an electronic device according to the present application. The antenna assembly 100 in this embodiment includes an NFC chip (represented by an NFC feed 110), a cellular radio frequency chip (represented by Cellular radio frequency feed source 120 represents) and at least two antenna radiators 130 in a non-linear arrangement, the antenna radiator 130 is respectively connected to the NFC chip (NFC feed source 110) and the cellular radio frequency chip (cellular radio frequency feed source 120) Electrical connection, so that the antenna radiator 130 is multiplexed as an NFC antenna radiator and a cellular radio frequency antenna radiator.

Optionally, the antenna radiator 130 in this embodiment includes a first antenna radiator 131, a second antenna radiator 132, and a third antenna radiator 133, the first antenna radiator 131 and the second antenna radiator The extension directions of the body 132 are perpendicular to each other, the extension directions of the third antenna radiator 133 and the first antenna radiator 131 are parallel to each other, and the extension directions of the third antenna radiator 133 and the first antenna radiator 131 The extending direction is perpendicular to the extending direction of the second antenna radiator 132 . Of course, in some other embodiments, the number and configuration of the antenna radiators may also be in other forms, which will not be listed and described in detail here.

Optionally, the NFC chip is connected to the first antenna radiator 131 , the second antenna radiator 132 and the third antenna radiator 133 through a first matching circuit 140 .

Please refer to FIG. 3 . FIG. 3 is a schematic circuit diagram of an embodiment of the first matching circuit in this embodiment, wherein the first matching circuit 140 includes a first capacitive device 142 connected in series with a ground point 141 and connected to an NFC chip (NFC feeder). source 110) connected in series with the first inductance device 143. It is designed as a series inductor + parallel capacitor. The purpose is that when the cellular antenna is working, the series inductor and the ground capacitor isolate the cellular antenna signal, so that the cellular antenna signal cannot enter the NFC chip; while the NFC is working, the inductor is connected directly, and the cellular antenna and the NFC chip are connected in series. , to form an NFC antenna system to realize the NFC function.

Optionally, the second antenna radiator 132 is connected to the ground point 151 through the third capacitive device 150 . The third capacitive device 150 is used to isolate the NFC signal from being grounded, while the cellular antenna signal is not affected and can be grounded.

Please continue to refer to Fig. 2, in which 160 is represented as a switch, which may also be a structure similar to the first matching circuit; when 160 is a switch, when the cellular antenna works, the 160 switch is disconnected to isolate the influence between the cellular antennas; When NFC is working, the 160 switch is straight through, so that the three antenna radiators are connected in series to form an NFC antenna system to realize the NFC function; NFC signal.

The NFC function is the top (the second antenna radiator 132)+left (the first antenna radiator 131) right (the third antenna radiator 133) cellular antenna radiators on both sides, by designing a matching circuit and an isolation circuit, the NFC chip, The top antenna radiator and the left and right antenna radiators are connected together to form an NFC system to realize the NFC function; at the same time, due to the position of the antenna radiator, the NFC function can be realized at any position and angle on the upper part of the electronic device.

The frequency band of each antenna radiator is not limited, it can be LMH Band, the frequency range is 600MHZ～2690MHZ; it can also be MH Band+5G NR Band, the frequency range is 1700-5000MHZ; it can also be any frequency band of GPS or WIFI, or Any combination of the above frequency bands.

Optionally, the first antenna radiator 131, the second antenna radiator 132, and the third antenna radiator 133 in this embodiment may be part of the metal frame of the electronic device, for example, the metal frame of the electronic device may be etched or machined Formed in an equal manner. In addition, the first antenna radiator 131 , the second antenna radiator 132 and the third antenna radiator 133 may also be FPC antennas or MDA (Metal Decoration Antenna, Metal Decoration Antenna) antennas and other structures disposed in the housing of the electronic device.

In the antenna assembly in the embodiment of this application, the NFC antenna completely reuses the existing cellular antenna, and there is no NFC radiator on the back of the mobile phone, which can reduce the thickness of the mobile phone and make the mobile phone thinner; compared with ordinary coils and pure common body antennas, the NFC function is more Powerful, it can realize the NFC function at any position and any angle on the upper part of the mobile phone; at the same time, compared with the coil antenna, the coil and ferrite are less, and the cost is lower; the left and right cellular antennas are added to form an NFC antenna with the top cellular antenna system, the NFC antenna is more powerful; the multiplexing of the cellular antenna reduces the thickness of the mobile phone and reduces the cost.

Please refer to FIG. 4. FIG. 4 is a schematic structural diagram of another embodiment of an antenna assembly for electronic equipment in the present application. The antenna assembly 100 in this embodiment includes an NFC chip (represented by an NFC feed 110), a cellular radio frequency chip (represented by Cellular radio frequency feed source 120 represents) and at least two antenna radiators 130 in a non-linear arrangement, the antenna radiator 130 is respectively connected to the NFC chip (NFC feed source 110) and the cellular radio frequency chip (cellular radio frequency feed source 120) Electrical connection, so that the antenna radiator 130 is multiplexed as an NFC antenna radiator and a cellular radio frequency antenna radiator.

Optionally, the antenna radiator 130 in this embodiment includes a fourth antenna radiator 134 and a fifth antenna radiator 135, and the extension directions of the fourth antenna radiator 134 and the fifth antenna radiator 135 are parallel to each other. . The NFC chip (NFC feed 110) is connected with the fourth antenna radiator 134 and the fifth antenna radiator 135 through a second matching circuit 170, and the structure of the second matching circuit 170 can be the same as that of the foregoing embodiment. The first matching circuit 140 in FIG. 3 is similar, and may specifically include a second capacitive device connected in series with the ground point and a second inductive device connected in series with the NFC chip.

Optionally, the fourth antenna radiator 134 and the fifth antenna radiator 135 may be part of the metal frame of the electronic device, for example, may be formed by cutting off the metal frame of the electronic device by etching or machining. In addition, the fourth antenna radiator 134 and the fifth antenna radiator 135 may also be FPC antennas or MDA (Metal Decoration Antenna, Metal Decoration Antenna) antennas and other structures disposed in the housing of the electronic device.

In addition, the embodiment of the present application also provides an electronic device. Please refer to FIG. 5 and FIG. 6 together. FIG. 5 is a schematic structural diagram of an embodiment of the electronic device of the present application. FIG. The electronic device in this embodiment may include a display module 300 , a casing 400 , a control circuit board 200 and an antenna assembly 100 . Wherein, for the detailed structure of the antenna assembly 100, please refer to the relevant descriptions of the foregoing embodiments. The NFC chip and the cellular radio frequency chip of the antenna assembly 100 may be part of the control circuit board 200, or may be a separate control circuit structure, which is not specifically limited here. .

Optionally, the display screen module 300 in this embodiment cooperates with the housing 400 to form an accommodating space 1000, the control circuit board 200 is arranged in the accommodating space 1000, the control circuit board 200, the display screen module 300 and the antenna assembly 100 ( The NFC chip and the cellular radio frequency chip) are electrically connected, and are used to control the working status of the display module 300 and the antenna assembly 100. In addition, the detailed technical features of the physical structure of other parts of the electronic device are within the comprehension scope of those skilled in the art, and will not be repeated here.

Please refer to FIG. 7. FIG. 7 is a schematic block diagram of an embodiment of an electronic device of the present application. The electronic device may be a mobile phone, a tablet computer, a notebook computer, a wearable device, etc. The illustration in this embodiment takes a mobile phone as an example. The structure of the electronic device may include an RF circuit 910, a memory 920, an input unit 930, a display unit 940 (that is, the display screen module 300 in the above embodiment), a sensor 950, an audio circuit 960, a wifi module 970, and a processor 980 ( It may be the control circuit board 200) and the power supply 990 in the foregoing embodiments. Wherein, RF circuit 910 , memory 920 , input unit 930 , display unit 940 , sensor 950 , audio circuit 960 and wifi module 970 are respectively connected to processor 980 ; power supply 990 is used to provide electric energy for the entire electronic device 10 .

Specifically, the RF circuit 910 is used to receive and send signals; the memory 920 is used to store data instruction information; the input unit 930 is used to input information, and may specifically include a touch panel 931 and other input devices 932 such as operation buttons; the display unit 940 is It may include a display panel 941, etc.; the sensor 950 includes an infrared sensor, a laser sensor, etc., and is used to detect user approach signals, distance signals, etc.; a speaker 961 and a microphone (or microphone) 962 are connected to the processor 980 through an audio circuit 960, and are used to connect Sending out sound signals; the wifi module 970 is used for receiving and transmitting wifi signals, and the processor 980 is used for processing data information of electronic devices. For the specific structural features of the electronic device, please refer to the related description of the above embodiments, and no detailed introduction will be given here.

In the electronic device in this embodiment, the antenna assembly can simplify the antenna structure, reduce the cost, and make the electronic device Thinner.

The above descriptions are only part of the embodiments of the application, and are not intended to limit the scope of protection of the application. All equivalent devices or equivalent process transformations made by using the contents of the specification and drawings of the application, or directly or indirectly used in other related All technical fields are equally included in the patent protection scope of the present application.

Claims (10)

1. The antenna assembly is characterized by comprising an NFC chip, a cellular radio frequency chip and at least two antenna radiators which are arranged in a nonlinear manner, wherein the antenna radiators are respectively and electrically connected with the NFC chip and the cellular radio frequency chip, so that the antenna radiators are multiplexed into the NFC antenna radiator and the cellular radio frequency antenna radiator.

2. The antenna assembly of claim 1, wherein the antenna radiator comprises a first antenna radiator and a second antenna radiator, the first antenna radiator and the second antenna radiator extending in directions perpendicular to each other.

3. The antenna assembly of claim 2, wherein the antenna radiator further comprises a third antenna radiator, the third antenna radiator and the first antenna radiator extend in directions parallel to each other, and the third antenna radiator and the first antenna radiator extend in directions perpendicular to the second antenna radiator.

4. The antenna assembly of claim 3, wherein the NFC chip is connected to the first antenna radiator, the second antenna radiator, and the third antenna radiator by a first matching circuit, and the first matching circuit includes a first capacitive device connected in series with a ground point and a first inductive device connected in series with the NFC chip.

5. The antenna assembly of claim 4, wherein the second antenna radiator is connected to ground through a third capacitive device.

6. The antenna assembly of claim 1, wherein the antenna radiator comprises a fourth antenna radiator and a fifth antenna radiator, the fourth antenna radiator and the fifth antenna radiator extending in directions parallel to each other.

7. The antenna assembly of claim 6, wherein the NFC chip is connected to the fourth antenna radiator and the fifth antenna radiator by a second matching circuit, and the second matching circuit includes a second capacitive device connected in series with a ground point and a second inductive device connected in series with the NFC chip.

8. The antenna assembly of claim 1, wherein the antenna radiator is part of a metal bezel of an electronic device.

9. The antenna assembly of claim 1, wherein the antenna radiator is an FPC antenna or an MDA antenna.

10. An electronic device, comprising a housing, a display module, a control circuit board, and the antenna assembly of any one of claims 1-9, wherein the housing and the display module cooperate to form an accommodating space, and the control circuit board is disposed in the accommodating space and electrically connected to the display module and the NFC chip and the cellular radio frequency chip of the antenna assembly.

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