CN108880603B

CN108880603B - Tuning switch module, antenna assembly and electronic equipment

Info

Publication number: CN108880603B
Application number: CN201810712194.6A
Authority: CN
Inventors: 王德帅
Original assignee: Oppo Chongqing Intelligent Technology Co Ltd
Current assignee: Oppo Chongqing Intelligent Technology Co Ltd
Priority date: 2018-06-29
Filing date: 2018-06-29
Publication date: 2019-12-31
Anticipated expiration: 2038-06-29
Also published as: CN108880603A

Abstract

The embodiment of the application provides a tuning switch module, an antenna assembly and electronic equipment, wherein the tuning switch module comprises a first switch, a first matching circuit and a second matching circuit; the first switch comprises a first connecting end and a plurality of second connecting ends arranged opposite to the first connecting end, the first connecting end is used for being connected with the antenna radiating body, the plurality of second connecting ends are used for transmitting antenna signals of different frequency bands, and one of the second connecting ends is respectively connected with the first channel and the second channel; the two ends of the first matching circuit are respectively connected with the first channel and the ground, and the first matching circuit is used for matching the antenna signal of the first frequency band received by the first channel; the impedance of the second matching circuit is different from that of the first matching circuit, two ends of the second matching circuit are respectively connected with the second channel and the ground, and the second matching circuit is used for matching the antenna signal of the first frequency band transmitted by the second channel. The transmission and the reception of the antenna signals of the same frequency band are separately tuned, and both the transmission and the reception can be tuned to the optimal efficiency point.

Description

Tuning switch module, antenna assembly and electronic equipment

Technical Field

The present application relates to the field of electronic devices, and in particular, to a tuning switch module, an antenna assembly, and an electronic device.

Background

With the development of network technology and the improvement of the intelligent degree of electronic equipment, users can realize more and more functions such as conversation, chatting, game playing and the like through the electronic equipment. The user realizes signal transmission through the antenna of the electronic equipment in playing games and web browsing by using the electronic equipment.

At present, because a transmitting antenna signal and a receiving antenna signal are tuned in the same path, a plurality of frequency bands share one tuning channel, and because the frequency of the transmitting antenna signal and the frequency of the receiving antenna signal in the same frequency band are different, and the frequency of the receiving antenna signal and the frequency of the transmitting antenna signal in some same frequency bands are different by hundreds of megameters, the transmitting antenna signal and the receiving antenna signal of the antenna can not be tuned to the optimal efficiency point at the same time, the receiving performance is often required to be ensured to be sacrificed, or the transmitting performance is ensured to be sacrificed.

Disclosure of Invention

The embodiment of the application provides a tuning switch module, an antenna assembly and electronic equipment, which can enable the receiving performance and the transmitting performance of antenna signals in the same frequency band to be better.

An embodiment of the present application provides a tuning switch module, including:

the first switch comprises a first connecting end and a plurality of second connecting ends arranged opposite to the first connecting end, the first connecting end is used for being connected with an antenna radiating body, the plurality of second connecting ends are used for transmitting antenna signals of different frequency bands, and one of the second connecting ends is respectively connected with a first channel and a second channel;

the two ends of the first matching circuit are respectively connected with the first channel and the ground, and the first matching circuit is used for matching the antenna signal of the first frequency band received by the first channel;

and the second matching circuit has different impedance from the first matching circuit, two ends of the second matching circuit are respectively connected with the second channel and the ground, and the second matching circuit is used for matching the antenna signal of the first frequency band transmitted by the second channel.

The embodiment of the application provides an antenna module, including antenna radiator and tuning switch module, the antenna radiator is connected the tuning switch module, the tuning switch module be the aforesaid the tuning switch module.

The embodiment of the application provides an electronic device, including radio frequency module, antenna radiator and tuning switch module, radio frequency module with the antenna radiator is connected, tuning switch module with the radiator is connected, tuning switch module is above-mentioned tuning switch module.

The tuning switch module provided by the embodiment of the application comprises a first switch, a first matching circuit and a second matching circuit; the first switch comprises a first connecting end and a plurality of second connecting ends arranged opposite to the first connecting end, the first connecting end is used for being connected with the antenna radiating body, the plurality of second connecting ends are used for transmitting antenna signals of different frequency bands, and one of the second connecting ends is respectively connected with the first channel and the second channel; the two ends of the first matching circuit are respectively connected with the first channel and the ground, and the first matching circuit is used for matching the antenna signal of the first frequency band received by the first channel; the impedance of the second matching circuit is different from that of the first matching circuit, two ends of the second matching circuit are respectively connected with the second channel and the ground, and the second matching circuit is used for matching the antenna signal of the first frequency band transmitted by the second channel. The frequency of the antenna signal transmitted and the frequency of the antenna signal received in the same frequency band are different, the transmission and the reception of the antenna signal are separately tuned, the matching circuits of the transmitting channel and the receiving channel can be set according to the respective antenna signal frequency, and the transmission and the reception can be tuned to the optimal efficiency point.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings used in the description of the embodiments will be briefly introduced below. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.

Fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 2 is a sectional view taken along a-a' direction in fig. 1.

Fig. 3 is a second structural schematic diagram of an electronic device according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a tuning switch module according to an embodiment of the present application.

Fig. 5 is another schematic structural diagram of a tuning switch module according to an embodiment of the present application.

Fig. 6 is a schematic structural diagram of an antenna module according to an embodiment of the present application.

Fig. 7 is a schematic structural diagram of a radio frequency module portion in an antenna module according to an embodiment of the present application.

Fig. 8 is a third schematic structural diagram of an electronic device according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without inventive step, are within the scope of the present application.

The terms "first," "second," "third," and the like in the description and in the claims of the present application and in the above-described drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, or apparatus, electronic device, system comprising a list of steps is not necessarily limited to those steps or modules or units explicitly listed, may include steps or modules or units not explicitly listed, and may include other steps or modules or units inherent to such process, method, apparatus, electronic device, or system.

The embodiment of the application provides an antenna control method, an antenna assembly, electronic equipment and a storage medium. The details will be described below separately. The antenna assembly can be arranged in the electronic device, and the electronic device can be a smart phone, a tablet computer and the like.

Referring to fig. 1 and fig. 2, fig. 1 is a first structural schematic diagram of an electronic device according to an embodiment of the present disclosure, and fig. 2 is a cross-sectional view taken along a direction a-a' in fig. 1. 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 mounted on the rear cover 50 to form a display surface of the electronic device 100. The display screen 10 serves as a front housing of the electronic device 100, and forms an accommodating 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 apparatus 100 for displaying information such as images, texts, and the like. The Display screen 10 may be a Liquid Crystal Display (LCD) or an organic light-Emitting Diode (OLED) Display screen.

In some embodiments, a glass cover plate may be disposed over the display screen 10. Wherein, the glass cover plate 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. The display area 11 performs a display function of the display screen 10 for displaying information such as images and texts. The non-display area 12 does not display information. The non-display area 12 may be used to set functional modules such as a camera, a receiver, a proximity sensor, and the like. In some embodiments, the non-display area 12 may include at least one area located at upper and lower portions of the display area 11.

Referring to fig. 3, fig. 3 is a second structural schematic diagram of an electronic device according to an embodiment of the present disclosure. In this embodiment, the display screen 10 may be a full-face screen. At this time, the display screen 10 may display information in a full screen, so that the electronic apparatus 100 has a large screen occupation ratio. The display screen 10 comprises only the display area 11 and no non-display area. At this time, functional modules such as a camera and a proximity sensor in the electronic apparatus 100 may be hidden under the display screen 10, and the fingerprint identification module of the electronic apparatus 100 may be disposed on the back of the electronic apparatus 100.

The middle frame 20 may have a thin plate-like or sheet-like structure, or may have a hollow frame structure. The middle frame 20 can be accommodated in the accommodating space formed by the display screen 10 and the rear cover 50. The middle frame 20 is used for providing a supporting function for the electronic components or the functional modules in the electronic device 100, so as to mount the electronic components or the functional modules in the electronic device together. For example, functional modules such as a camera, a receiver, a circuit board, and a battery in the electronic apparatus may be mounted on the center frame 20 for fixing. In some embodiments, the material of the middle frame 20 may include metal or plastic.

The circuit board 30 is mounted inside the receiving space. For example, the circuit board 30 may be mounted on the middle frame 20 and received in the receiving space together with the middle frame 20. The circuit board 30 may be a motherboard of the electronic device 100. The circuit board 30 is provided with a grounding point to realize grounding of the circuit board 30. One or more of a motor, a microphone, a speaker, a receiver, an earphone interface, a universal serial bus interface (USB interface), a camera, a proximity sensor, an ambient light sensor, a gyroscope, and a processor may be integrated on the circuit board 30. Meanwhile, the display screen 10 may be electrically connected to the circuit board 30.

In some embodiments, display control circuitry is disposed on the circuit board 30. The display control circuit outputs an electric signal to the display screen 10 to control the display screen 10 to display information.

The battery 40 is mounted inside the receiving space. For example, the battery 40 may be mounted on the middle frame 20 and be received in the receiving space together with the middle frame 20. The battery 40 may be electrically connected to the circuit board 30 to enable the battery 40 to power the electronic device 100. The circuit board 30 may be provided thereon with a power management circuit. The power management circuit is used to distribute the voltage provided by the battery 40 to the various electronic components in the electronic device 100.

The rear cover 50 is used to form an outer contour of the electronic device 100. The rear cover 50 may be integrally formed. In the forming process of the rear cover 50, a rear camera hole, a fingerprint identification module mounting hole and the like can be formed in the rear cover 50.

In the process of continuously increasing the screen occupation ratio of the display screen of the electronic device, for example, when the screen shown in fig. 1 is changed into the display screen shown in fig. 3, the distance between the screen and the middle frame is smaller and smaller, the clearance area reserved for the middle frame antenna is smaller and smaller, and the antenna performance is also affected. The antenna assembly and the electronic device of the embodiments of the present application will be described in detail below.

Referring to fig. 4, fig. 4 is a schematic structural diagram of a tuning switch module according to an embodiment of the present disclosure. The tuning switch module 300 includes a first switch 31, a first matching circuit 32, and a second matching circuit 33.

The first switch 31 includes a first connection end 311 and a plurality of second connection ends 312 opposite to the first connection end 311, the first connection end 311 is used for connecting with the antenna radiator 34, the plurality of second connection ends 312 are used for transmitting antenna signals of different frequency bands, and one of the second connection ends 312 is respectively connected with the first channel 313 and the second channel 314.

Two ends of the first matching circuit 32 are respectively connected to the first channel 313 and the ground, and the first matching circuit 32 is used for matching the antenna signal of the first frequency band received by the first channel 313;

the impedance of the second matching circuit 33 is different from that of the first matching circuit 32, two ends of the second matching circuit 33 are respectively connected to the second channel 314 and the ground, and the second matching circuit 33 is used for matching the antenna signal of the first frequency band transmitted by the second channel 314.

The frequency of the antenna signal transmitted and received by the antenna in the same frequency band is different, the transmitting and receiving of the antenna signal are separately tuned, the matching circuits of the transmitting channel and the receiving channel can be set according to the respective frequency of the antenna signal, and the transmitting and receiving can be tuned to the optimal efficiency point.

The other second connection ends 312 except for the first channel 313 and the second channel 314 are also respectively connected to a matching circuit 41, and the corresponding matching circuit 41 is matched with the frequency band of the antenna signal transmitted by the second connection end 312. The number of the matching circuits 41 is plural, and the first channel 313, the second channel 314, and the other second connection end 312 correspond to one matching circuit, or only two matching circuits, that is, the first matching circuit 32 and the second matching circuit 33 may be provided, and the other second connection end 312 may be connected to the first matching circuit 32 or the second matching circuit 33, and the values of the elements in the first matching circuit 32 or the second matching circuit 33 are adjusted to match the antenna signal to be transmitted. The antenna transmission signal can only transmit an antenna signal of one frequency band, and the plurality of second connection terminals 312 may share one matching circuit, and only the values of the elements in the matching circuit need to be adjusted, for example, the matching circuit includes an adjustable inductor, and the adjustable inductor is adapted to the antenna signal of different frequency bands by adjusting the inductance of the adjustable inductor. The matching circuit can also comprise an adjustable capacitor, and the capacitance value of the adjustable capacitor is adjusted to adapt to antenna signals of different frequency bands. The matching circuit can also comprise an adjustable inductor and an adjustable capacitor, and the inductance of the adjustable inductor and the capacitance of the adjustable capacitor are adjusted to adapt to antenna signals of different frequency bands. The plurality of second connecting terminals 312 may include a reserved port 42, and the reserved port 42 may be a floating port or a reserved port.

It should be noted that the second matching circuit 33 may be configured to perform impedance matching on the antenna signal of the second frequency band transmitted through the second channel 314. The input impedance of the antenna varies greatly with frequency, while the output impedance of the transmitter of the rf module 35 is constant, and if the transmitter is directly connected to the antenna, when the frequency of the transmitter changes, the impedance between the transmitter and the antenna is not matched, which reduces the radiation power. By means of the second matching circuit 33, the impedance matching between the transmitter and the antenna is achieved, so that the antenna has a maximum radiated power in the first frequency band.

In some embodiments, the tuning switch module 300 may include an antenna tuner and a matching circuit, the first switch 31 being an antenna coordinator and the matching circuit including a first matching circuit 32 and a second matching circuit 33.

Referring to fig. 5, fig. 5 is another schematic structural diagram of a tuning switch module according to an embodiment of the present disclosure. The tuning switch module 300 further includes a separator 315, the separator 315 separating the received antenna signal from the transmitted antenna signal in the antenna signal.

Specifically, in some embodiments, splitter 315 is a frequency divider that includes a first branch terminal 3151, a second branch terminal 3152, and a common terminal 3153.

The first branch end 3151 is connected to the first channel 313, the second branch end 3152 is connected to the second channel 314, the common end 3153 is connected to the second connection end 312, and the common end 3153 is configured to receive an antenna signal in the first frequency band through the first channel 313 according to a frequency difference between an antenna transmission signal and an antenna reception signal, and to transmit the antenna signal in the first frequency band through the second channel 314.

The frequency of the transmitted antenna signal and the frequency of the received antenna signal in the same frequency band are different, the received antenna signal and the transmitted antenna signal in the same frequency band are separated through the frequency divider 315, the received antenna signal is transmitted to the first channel 313 through the first branch end 3151 of the frequency divider, the transmitted antenna signal is transmitted to the second channel 314 through the second branch end 3152 of the frequency divider, and the frequency divider can separate the transmitted signal and the received signal according to the frequency of the antenna signal.

Specifically, in some embodiments, splitter 315 is a diplexer that includes a first drop terminal, a second drop terminal, and a common terminal.

The first shunt end is connected to the first channel 313, the second shunt end is connected to the second channel 314, the common end is connected to the second connection end 312, and the common end is configured to receive an antenna signal of the first frequency band through the first channel 313 and transmit the antenna signal of the first frequency band through the second channel 314.

The antenna signal of transmission is also different with the antenna signal frequency of receipt in the same frequency channel, separate the antenna signal of the receipt of same frequency channel and the antenna signal of transmission through the duplexer, and transmit the antenna signal of receipt toward first passageway 313 through the first branch road end of duplexer, transmit the antenna signal of transmission toward second passageway 314 through the second branch road end of duplexer, the duplexer can separate transmitted signal and received signal, and is simple and convenient, and maneuverability is strong.

Specifically, in some embodiments, the splitter 315 is a second switch including a first terminal, a second terminal, and a control terminal;

the first end is connected to the first channel 313, the second end is connected to the second channel 314, the control end is connected to the second connection end 312, and the control end is configured to receive the antenna signal of the first frequency band through the first channel 313 and transmit the antenna signal of the first frequency band through the second channel 314.

The antenna signals of the same frequency band, which are received and transmitted, are separated through the second switch, the received antenna signals are transmitted to the first channel 313 through the first end of the second switch, the transmitted antenna signals are transmitted to the second channel 314 through the second end of the second switch, and the second switch can separate the transmitted signals from the received signals, so that the antenna signal separation device is simple and convenient to use and high in operability.

In some embodiments, the tuning switch module 300 further comprises a control module configured to obtain a category of the antenna signal, wherein the category of the antenna signal includes a transmit signal and a receive signal, and control the second switch according to the category of the antenna signal.

The control module controls the second switch, detects the type of the antenna signal, and controls the second switch according to the type of the antenna signal. Specifically, if the antenna signal is a received signal, the control terminal is communicated with the first terminal, i.e., the first channel 313 is communicated with the second connection terminal 312. The antenna signal is a transmission signal, and the control terminal is communicated with the second terminal, i.e. the second channel 314 is communicated with the second connection terminal 312.

It should be noted that the control module may be disposed outside the second switch, such as within the rf module 35 or as a separate element disposed separately. The control module may be arranged within, i.e. integrated with, the second switch.

In some embodiments, the tuning switch module 300 includes a first switch 31, where the first switch 31 includes a first connection end 311 and a plurality of second connection ends 312 disposed opposite to the first connection end 311, the first connection end 311 is used for connecting to the antenna radiator 34, the plurality of second connection ends 312 are used for transmitting antenna signals of different frequency bands, where at least two of the second connection ends 312 are respectively connected to a group of channels, each group of channels includes a receiving channel and a transmitting channel, the receiving channel is used for receiving the antenna signals, the transmitting channel is used for transmitting the antenna signals, and the receiving channel and the transmitting channel in each group of channels receive and transmit the antenna signals of the same frequency band; the receiving channel and the transmitting channel in each group of channels are grounded through a matching circuit respectively, and the two matching circuits connected to the same group of channels have different impedances.

At least two of the plurality of second connection terminals 312 are respectively connected to a set of channels, each set of channels includes two channels, namely a receiving channel and a transmitting channel. For example, one second connection end connects to a set of channels, and the other second connection end also connects to a set of channels. Wherein each group of channels comprises a receive channel and a transmit channel.

The second connection ends 312 are used for transmitting antenna signals of different frequency bands, the receiving channel in each group of channels is used for receiving the antenna signals, the transmitting channel is used for transmitting the antenna signals, and the receiving channel and the transmitting channel in each group of channels receive and transmit the antenna signals of the same frequency band. For example, the receiving channel of one second connection is used for receiving antenna signals and the transmitting channel is used for transmitting antenna signals.

The two channels connected to the same second connection terminal are connected to the first connection terminal 311 through a matching circuit, respectively, and the two matching circuits connected to the same second connection terminal have different impedances, that is, the two matching circuits connected to the same group of channels have different impedances. For example, the receiving path of one second connection is connected to the third matching circuit, the transmitting path is connected to the fourth matching circuit, and the impedances of the third matching circuit and the fourth matching circuit are different.

It should be noted that the third matching circuit and the fourth matching circuit correspond to the antenna signal of the same frequency band received and transmitted by the second connection terminal B2.

In some embodiments, the first connection end 311 transmits and/or receives frequency division duplex antenna signals.

Frequency division duplexing is one of full duplex communication techniques used in mobile communication systems. Frequency division duplexing employs two separate channels for downward and upward transmission of information. To prevent mutual interference between adjacent transmitters and receivers, a guard band exists between the two channels. Frequency division duplex operation requires two separate channels. One channel is used to convey information from the base station to the end user, and the other channel is used to transmit information from the end user to the base station. Frequency division duplexing uses two symmetric frequency channels to transmit and receive signals, respectively, with a certain frequency band guard interval between the transmit and receive channels. The antenna signals received and/or transmitted in the above embodiments may be frequency division duplex antenna signals.

Continuing to refer to fig. 4, the antenna assembly includes an antenna radiator 34 and a tuning switch module 300, the antenna radiator 34 is connected to the tuning switch module 300, and the tuning switch module 300 includes a first switch 31, a first matching circuit 32, and a second matching circuit 33.

The first switch 31 includes a first connection end 311 and a plurality of second connection ends 312 arranged opposite to the first connection end 311, the first connection end 311 is used for connecting with the antenna radiator 34, the plurality of second connection ends 312 are used for transmitting antenna signals of different frequency bands, wherein one of the second connection ends 312 is respectively connected with the first channel 313 and the second channel 314;

The antenna radiator 34 may be used to receive and transmit antenna signals. The antenna radiator 34 resonates with matching circuitry, and both receive and transmit are tuned to the point of optimum efficiency. The tuning switch module 300 may also be the tuning switch module 300 in other embodiments.

Referring to fig. 6 and 7, fig. 6 is a schematic structural diagram of an antenna module according to an embodiment of the present disclosure. Fig. 7 is a schematic structural diagram of a radio frequency module portion in an antenna module according to an embodiment of the present application. The electronic device includes a radio frequency module 35, an antenna radiator 34, and a tuning switch module 300, where the radio frequency module 35 is connected to the antenna radiator 34, the tuning switch module 300 is connected to the antenna radiator 34, and the tuning switch module 300 includes a first switch 31, a first matching circuit 32, and a second matching circuit 33.

The antenna radiator 34 may be used to receive and transmit antenna signals. The antenna radiator 34 resonates with matching circuitry, and both receive and transmit are tuned to the point of optimum efficiency. The antenna radiator 34 may be a part of a frame of a metal middle frame, for example, a top edge of the metal middle frame is a metal conductor, which is used as the antenna radiator 34. Of course, the antenna radiator 34 may also be one or more of a side, a bottom, a corner, and the like of the metal middle frame. The antenna radiator 34 may also be a patch antenna radiator 34, disposed in the rear housing of the electronic device, or the like. The tuning switch module 300 may also be the tuning switch module 300 in other embodiments.

In some embodiments, the tuning switch module 300 is connected to the ground point of the antenna radiator 34, and the feeding end of the antenna radiator 34 is connected to the radio frequency module 35.

The electronic device further includes an antenna duplexer 36, wherein a first shunt end of the antenna duplexer 36 is connected to the input port of the radio frequency module 35, and a second shunt end of the antenna duplexer 36 is connected to the output port of the radio frequency module 35.

The rf module 35 includes a plurality of input ports and an output port, the plurality of input ports correspond to the plurality of antenna duplexers 36, that is, the input ports correspond to the antenna duplexers 36 one to one, the input ports are connected to the first branch ends of the antenna duplexers 36, the second branch ends of the antenna duplexers 36 are connected to the output ports of the same frequency band as the input ports, that is, the first branch ends of the antenna duplexers 36 are connected to one input port, the second branch ends are connected to one output port, and the antenna signals connected to the input ports and the output ports of the same antenna duplexers 36 are transmitted by the same frequency band. The common end of the antenna duplexer 36 is connected to an input port of the radio frequency switch 37, the antenna duplexers 36 are respectively connected to an input port of the radio frequency switch 37, the input ports of the radio frequency switch 37 correspond to output ports one to one, and the output port of the radio frequency switch 37 is connected to the feed end of the antenna radiator 34 for receiving and transmitting antenna signals.

The rf module 35 has an output port, the output port is connected to an input terminal of an amplifier 38, the amplifier 38 amplifies an antenna signal for transmission, and then is connected to the plurality of antenna duplexers 36 through a selection switch 39, each antenna duplexer 36 corresponds to an antenna signal of a frequency band, the selection switch 39 transmits the antenna signal to the corresponding antenna duplexer 36 according to the frequency band of the antenna signal to be transmitted, one end of the selection switch 39 has only one port and is connected to an output terminal of the amplifier 38, the other end of the selection switch 39 has a plurality of ports, and each port corresponds to a second shunt terminal of one duplexer.

The ground point of the antenna radiator 34 is connected to the first switch 31, the first switch 31 has a first connection end 311 and a plurality of second connection ends 312 corresponding to the first connection end 311, the first connection end 311 is connected to the ground point of the antenna radiator 34, the plurality of second connection ends 312 transmit antenna signals of different frequency bands, wherein at least one of the second connection ends 312 is respectively connected to two channels, one of the two channels connected to the same second connection end 312 is used for receiving an antenna signal and the other is used for transmitting an antenna signal, and the two channels connected to the same second connection end 312 receive and transmit the antenna signal of the same frequency band; the two channels connected to the same second connection terminal 312 are grounded through a matching circuit, and the two matching circuits connected to the same second connection terminal 312 have different impedances. The matching circuit is configured according to the received or transmitted antenna signal so that the resonance effect is optimal. Wherein, two channels can be realized by elements such as frequency dividers, duplexers or controllable switches.

It should be noted that the first switch 31 may be a tuner, or the first switch 31 and the matching circuit may constitute a tuner.

As shown in fig. 8, the electronic device 60 may include control circuitry, which may include storage and processing circuitry 61. The storage and processing circuit 61 may be a memory, such as a hard disk drive memory, a non-volatile memory (e.g., a flash memory or other electronically programmable read-only memory used to form a solid state drive, etc.), a volatile memory (e.g., a static or dynamic random access memory, etc.), etc., and the embodiments of the present application are not limited thereto. Processing circuitry in the storage and processing circuitry 61 may be used to control the operation of the electronic device 60. The processing circuitry 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 circuitry 61 may be used to run software in the electronic device 60, such as an Internet browsing application, a Voice Over Internet Protocol (VOIP) telephone call application, an email application, a media playing application, operating system functions, and so forth. Such software may be used to perform control operations such as, for example, camera-based image capture, ambient light measurement based on an ambient light sensor, proximity sensor measurement based on a proximity sensor, information display functionality based on status indicators such as status indicator lights of light emitting diodes, touch event detection based on a touch sensor, functionality 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, and the like, without limitation in the embodiments of the present application.

The electronic device 60 may also include input-output circuitry 62. Input-output circuitry 62 may be used to enable electronic device 60 to input and output data, i.e., to allow electronic device 60 to receive data from external devices and also to allow electronic device 60 to output data from electronic device 60 to external devices. The input-output circuit 62 may further include a sensor 63. The sensors 63 may include ambient light sensors, optical and capacitive based proximity sensors, touch sensors (e.g., optical based touch sensors and/or capacitive touch sensors, where the touch sensors may be part of a touch display screen or may be used independently as a touch sensor structure), acceleration sensors, and other sensors, among others.

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, displays using other display technologies. The display 64 may include an array of touch sensors (i.e., the display 64 may be a touch display screen). The touch sensor may be a capacitive touch sensor formed by a transparent touch sensor electrode (e.g., an Indium Tin Oxide (ITO) electrode) array, or may be a touch sensor formed using other touch technologies, such as acoustic wave touch, pressure sensitive touch, resistive touch, optical touch, and the like, and the embodiments of the present application are not limited thereto.

The electronic device 60 may also include an audio component 65. Audio component 65 may be used to provide audio input and output functions 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 sound.

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

The electronic device 60 may further include a battery, power management circuitry, 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, etc.

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

In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.

The tuning switch module, the antenna assembly, and the electronic device provided in 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 understand 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. A tuned switch module, comprising:

the two ends of the first matching circuit are respectively connected with the first channel and the ground, the first matching circuit is used for matching the antenna signal of the first frequency band received by the first channel, and the first matching circuit is set according to the frequency of the received antenna signal;

and the second matching circuit is different from the first matching circuit in impedance, two ends of the second matching circuit are respectively connected with the second channel and the ground, the second matching circuit is used for matching the antenna signal of the first frequency band transmitted by the second channel, and the second matching circuit is set according to the frequency of the transmitted antenna signal, wherein the frequency of the received antenna signal is different from that of the transmitted antenna signal.

2. The tuned switch module of claim 1 further comprising a frequency divider comprising a first branch terminal, a second branch terminal, and a common terminal;

the first branch end is connected with the first channel, the second branch end is connected with the second channel, the shared end is connected with the second connecting end, and the shared end is used for receiving the antenna signal of the first frequency band through the first channel and transmitting the antenna signal of the first frequency band through the second channel according to the frequency difference between the antenna transmitting signal and the antenna receiving signal.

3. The tuned switch module of claim 1 further comprising a diplexer comprising a first drop terminal, a second drop terminal, and a common terminal;

the first shunt end is connected with the first channel, the second shunt end is connected with the second channel, the public end is connected with the second connecting end, the public end is used for receiving the antenna signal of the first frequency band through the first channel, and the second channel is used for transmitting the antenna signal of the first frequency band.

4. The tuned switch module of claim 1 further comprising a second switch, said second switch comprising a first terminal, a second terminal, and a control terminal;

the first end with first passageway is connected, the second end with the second channel is connected, the control end with the second link is connected, the control end be used for utilize with first end is connected the antenna signal of first frequency channel is received to first passageway, utilize with the second end is connected the antenna signal of first frequency channel is launched to the second channel.

5. The tuning switch module of claim 4, further comprising a control module configured to obtain a category of antenna signals, wherein the category of antenna signals includes a transmit signal and a receive signal, and to control the second switch according to the category of antenna signals.

6. The tuning switch module of claim 1, wherein the first connection transmits and/or receives frequency division duplex antenna signals.

7. A tuned switch module, comprising:

the first switch comprises a first connecting end and a plurality of second connecting ends arranged opposite to the first connecting end, the first connecting end is used for being connected with an antenna radiator, the plurality of second connecting ends are used for transmitting antenna signals of different frequency bands, at least two second connecting ends are respectively connected with a group of channels, each group of channels comprises a receiving channel and a transmitting channel, the receiving channel is used for receiving the antenna signals, the transmitting channel is used for transmitting the antenna signals, and the receiving channel and the transmitting channel in each group of channels receive and transmit the antenna signals of the same frequency band;

the receiving channel and the transmitting channel in each group of channels are grounded through a matching circuit respectively, two matching circuits connected to the same group of channels have different impedances, the frequency of the received antenna signal and the frequency of the transmitted antenna signal in each group of channels are different, the matching circuit of the receiving channel is set according to the frequency of the received antenna signal, and the matching circuit of the transmitting channel is set according to the frequency of the received antenna signal.

8. An antenna assembly comprising an antenna radiator and a tuned switch module, the antenna radiator being connected to the tuned switch module, the tuned switch module being as claimed in any one of claims 1 to 7.

9. An electronic device comprising a radio frequency module, an antenna radiator, and a tuning switch module, wherein the radio frequency module is connected to the antenna radiator, the tuning switch module is connected to the radiator, and the tuning switch module is the tuning switch module according to any one of claims 1-7.

10. The electronic device of claim 9, wherein the tuning switch module is connected to a ground point of the antenna radiator, and wherein a feed end of the antenna radiator is connected to the radio frequency module.