CN108880603B - Tuning switch module, antenna assembly and electronic equipment - Google Patents

Abstract

Embodiments of the present application provide a tuning switch module, an antenna assembly, and electronic equipment. The tuning switch module includes a first switch, a first matching circuit, and a second matching circuit; the first switch includes a first connection terminal, and a connection with the first A plurality of second connection ends arranged opposite to the connection ends, the first connection end is used to connect with the antenna radiator, and the plurality of second connection ends are used to transmit antenna signals of different frequency bands, one of the second connection ends is respectively connected to the first channel and the second channel; both ends of the first matching circuit are respectively connected to the first channel and ground, and the first matching circuit is used to match 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 , both ends of the second matching circuit are respectively connected to the second channel and the ground, and the second matching circuit is used to match the antenna signal of the first frequency band transmitted by the second channel. The transmission and reception of antenna signals in the same frequency band are tuned separately, and both transmission and reception can be tuned to the best efficiency point.

Description

Tuning switch module, antenna assembly and electronic equipment

technical field

The present application relates to the technical field of electronic equipment, in particular to a tuning switch module, 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.

At present, because the transmitting antenna signal and the receiving antenna signal are tuned on the same channel, and multiple frequency bands share one tuning channel, and because the antenna signal transmitted in the same frequency band and the received antenna signal have different frequencies, some receiving and transmitting antennas in the same frequency band The signal frequency differs by hundreds of megabytes, so the transmitting antenna signal and the receiving antenna signal cannot be tuned to the best efficiency point at the same time. It is often necessary to ensure the transmission performance at the expense of the reception performance, or to ensure the reception performance at the expense of the transmission performance.

Contents of the invention

Embodiments of the present application provide a tuning switch module, an antenna assembly, and electronic equipment, which can improve both the receiving performance and the transmitting performance of antenna signals in the same frequency band.

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

The first switch includes a first connection end and a plurality of second connection ends opposite to the first connection end, the first connection end is used to connect with the antenna radiator, and the plurality of second connection ends The terminals are used to transmit antenna signals of different frequency bands, and one of the second connection terminals is respectively connected to the first channel and the second channel;

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

The second matching circuit is different from the impedance of the first matching circuit, the two ends of the second matching circuit are respectively connected to the second channel and the ground, and the second matching circuit is used to match the emission of the second channel The antenna signal of the first frequency band.

An embodiment of the present application provides an antenna assembly, including an antenna radiator and a tuning switch module, the antenna radiator is connected to the tuning switch module, and the tuning switch module is the above-mentioned tuning switch module.

An embodiment of the present application provides an electronic device, including a radio frequency module, an antenna radiator, and a tuning switch module, the radio frequency module is connected to the antenna radiator, the tuning switch module is connected to the radiator, and the tuning switch The module is the tuning switch module described above.

The tuning switch module provided by the embodiment of the present application includes a first switch, a first matching circuit and a second matching circuit; the first switch includes a first connection end and a plurality of second connection ends opposite to the first connection end , the first connection end is used to connect with the antenna radiator, and a plurality of second connection ends are used to transmit antenna signals of different frequency bands, one of the second connection ends is respectively connected to the first channel and the second channel; the two ends of the first matching circuit Connect the first channel and the ground respectively, the first matching circuit is used to match 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, and the two ends of the second matching circuit are respectively connected channel and ground, and the second matching circuit is used to match the antenna signal of the first frequency band transmitted by the second channel. Since the antenna signals transmitted and received in the same frequency band have different frequencies, the transmission and reception of the antenna signals are tuned separately, and the matching circuits of the transmission channel and the reception channel can be set according to their respective antenna signal frequencies, and both transmission and reception can be performed. Tuned to the best efficiency point, the problem of not being able to achieve the best efficiency due to limited antenna performance in the past has been solved, and the transmission power no longer needs to be pushed to a high level to meet the performance of the total transmission power, which can further optimize the power consumption of electronic devices such as smart phones , while ensuring the same conduction power, the total transmission power of the mobile phone is better than the single-channel tuning value, and it can make the debugging task of the antenna engineer more flexible.

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 sectional view along A-A' direction in Fig. 1.

FIG. 3 is a schematic diagram of a second structure of an electronic device provided by an embodiment of the present application.

FIG. 4 is a schematic structural diagram of a tuning switch module provided by an embodiment of the present application.

FIG. 5 is another schematic structural diagram of a tuning switch module provided by an embodiment of the present application.

FIG. 6 is a schematic structural diagram of an antenna module provided by an embodiment of the present application.

FIG. 7 is a schematic structural diagram of the radio frequency module part of the antenna module provided by the embodiment of the present application.

FIG. 8 is a schematic diagram of a third 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 protection scope of this application.

The terms "first", "second", "third", etc. (if any) in the description and claims of the present application and the above drawings are used to distinguish similar objects and not necessarily to describe a specific order or sequentially. It should be understood that the items so described are interchangeable under appropriate circumstances. Furthermore, the terms "comprising" and "having", as well as any variations thereof, are intended to cover a non-exclusive inclusion. For example, a process, a method comprising a series of steps, or an apparatus comprising a series of modules or units, an electronic device, a system are not necessarily limited to those steps or modules or units clearly listed, and may also include steps not clearly listed or modules or units, may also include other steps or modules or units inherent to these processes, methods, devices, electronic equipment or systems.

Embodiments of the present application provide an antenna control method, an antenna component, an electronic device, and a storage medium. The details will be described respectively below. The antenna assembly can be set in the electronic device, and the electronic device can be a smart phone, a tablet computer and other devices.

Please refer to Fig. 1 and Fig. 2. Fig. 1 is a schematic diagram of the first structure of the electronic device provided by the embodiment of the present application, and Fig. 2 is a cross-sectional view in the direction of 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 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. 3 . FIG. 3 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 recognition 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 3, the distance between the screen and the middle frame is getting smaller and smaller, leaving more space for the middle frame. The clearance 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 assembly and electronic equipment, which can improve the receiving performance and transmitting performance of antenna signals in the same frequency band. The antenna assembly and the electronic device of the embodiments of the present application will be described in detail below.

Please refer to FIG. 4 . FIG. 4 is a schematic structural diagram of a tuning switch module provided by an embodiment of the present application. 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 to connect with the antenna radiator 34, and the plurality of second connection ends 312 is used to transmit antenna signals of different frequency bands, and one of the second connection ends 312 is respectively connected to the first channel 313 and the second channel 314 .

Both ends of the first matching circuit 32 are respectively connected to the first channel 313 and ground, and the first matching circuit 32 is used to match 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, and the two ends of the second matching circuit 33 are respectively connected to the second channel 314 and ground, and the second matching circuit 33 is used to match the antenna of the first frequency band emitted by the second channel 314 Signal.

Since the frequency of the antenna signal transmitted and received by the antenna is different in the same frequency band, the transmission and reception of the antenna signal are tuned separately, and the matching circuits of the transmission channel and the reception channel can be set according to their respective antenna signal frequencies, and both transmission and reception can be tuned to The best efficiency point. In the past, the problem of not being able to achieve the best efficiency due to limited antenna performance has been solved. The transmission power no longer needs to be pushed to a high level to meet the performance of the total transmission power. It can further optimize the power consumption of the mobile phone while ensuring the same conduction In the power case, the total transmit power of the mobile phone is better than the single-channel tuning value, and it can make the debugging task of the antenna engineer more flexible.

Wherein, other second connection terminals 312 other than the first channel 313 and the second channel 314 are also respectively connected to a matching circuit 41 , and the corresponding matching circuit 41 matches the frequency band of the antenna signal transmitted by the second connection terminal 312 . There are multiple matching circuits 41, and the first channel 313, the second channel 314 and the other second connecting terminals 312 correspond to one matching circuit respectively, or only two matching circuits may be provided, that is, the first matching circuit 32 and the second matching circuit 33 , the other second connection terminal 312 can be connected to the first matching circuit 32 or the second matching circuit 33, and the values of the components in the first matching circuit 32 or the second matching circuit 33 are adjusted to match the transmitted antenna signal. Antenna transmission signals generally can only transmit antenna signals of one frequency band. Multiple second connection terminals 312 can share a matching circuit, but only need to adjust the values of components in the matching circuit. For example, the matching circuit includes an adjustable inductor, which can be adjusted by adjusting Adjust the inductance of the inductor to adapt to antenna signals of different frequency bands. The matching circuit may also include an adjustable capacitor, and by adjusting the capacitance value of the adjustable capacitor, it can adapt to antenna signals of different frequency bands. The matching circuit may also include an adjustable inductor and an adjustable capacitor. By adjusting the inductance of the adjustable inductor and the capacitance of the adjustable capacitor, it can adapt to antenna signals of different frequency bands. The plurality of second connection ends 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 used 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 changes greatly with the frequency, while the output impedance of the transmitter of the radio frequency module 35 is certain. If the transmitter is directly connected to the antenna, when the frequency of the transmitter changes, the impedance between the transmitter and the antenna will not match. will reduce the radiation power. Through the second matching circuit 33, the impedance between the transmitter and the antenna can be matched, so that the antenna has the maximum radiation 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 is an antenna coordinator, and the matching circuit includes a first matching circuit 32 and a second matching circuit 33 .

Please refer to FIG. 5 . FIG. 5 is another schematic structural diagram of the tuning switch module provided by the embodiment of the present application. The tuning switch module 300 also includes a splitter 315 that separates the received antenna signal from the transmitted antenna signal among the antenna signals.

Specifically, in some embodiments, the splitter 315 is a frequency divider, and the frequency divider includes a first branch end 3151 , a second branch end 3152 and a common end 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 used to transmit signals and receive signals according to the antenna The first channel 313 is used to receive the antenna signal of the first frequency band, and the second channel 314 is used to transmit the antenna signal of the first frequency band.

The frequency of the antenna signal transmitted in the same frequency band is different from that of the received antenna signal. The frequency divider 315 is used to separate the received antenna signal and the transmitted antenna signal of the same frequency band, and the received antenna signal is passed through the first frequency divider. A branch end 3151 is transmitted to the first channel 313, and the transmitted antenna signal is transmitted to the second channel 314 through the second branch end 3152 of the frequency divider. The frequency divider can transmit the transmitted signal and the received signal according to the frequency of the antenna signal. Separation is simple, convenient and operable.

Specifically, in some embodiments, the splitter 315 is a duplexer, and the duplexer includes a first splitter end, a second splitter end, and a common end.

The first branch end is connected to the first channel 313, the second branch end is connected to the second channel 314, the common end is connected to the second connection end 312, and the common end is used to use the first channel 313 to receive the antenna of the first frequency band The signal uses the second channel 314 to transmit the antenna signal of the first frequency band.

The frequency of the transmitted antenna signal and the received antenna signal in the same frequency band is also different. The received antenna signal and the transmitted antenna signal in the same frequency band are separated by a duplexer, and the received antenna signal is passed through the first part of the duplexer. The branch end is transmitted to the first channel 313, and the transmitted antenna signal is transmitted to the second channel 314 through the second branch end of the duplexer. The duplexer can separate the transmitted signal and the received signal, which is simple, convenient and operable Strong.

Specifically, in some embodiments, the separator 315 is a second switch, and the second switch includes 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 used to use the first channel 313 to receive the antenna signal of the first frequency band. Channel 314 transmits antenna signals of the first frequency band.

Separate the received and transmitted antenna signals of the same frequency band through the second switch, and transmit the received antenna signal to the first channel 313 through the first end of the second switch, and transmit the transmitted antenna signal through the second end of the second switch. The terminal is transmitted to the second channel 314, and the second switch can separate the transmitting signal from the receiving signal, which is simple, convenient and highly operable.

In some embodiments, the tuning switch module 300 further includes a control module, the control module is used to obtain the type of the antenna signal, and control the second switch according to the type of the antenna signal, wherein the type of the antenna signal includes the transmitted signal and the received signal.

Controlling the second switch is a control module, which 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 connected to the first terminal, that is, the first channel 313 is connected to the second connection terminal 312 . If the antenna signal is a transmission signal, the control terminal is connected to the second terminal, that is, the second channel 314 is connected to the second connection terminal 312 .

It should be noted that the control module can be arranged outside the second switch, such as arranged in the radio frequency module 35 or an independent component arranged independently. The control module can be arranged within the second switch, ie integrated with the second switch.

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

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

A plurality of second connection terminals 312 are used to transmit antenna signals of different frequency bands, the receiving channel in each group of channels is used for receiving antenna signals, the transmitting channel is used for sending antenna signals, and the receiving channel and transmitting channel in each group of channels receive and Antenna signals of the same frequency band are transmitted. For example, a receiving channel of a second connection end is used for receiving antenna signals, and a transmitting channel is used for transmitting antenna signals.

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

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

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

Frequency division duplexing is a type of full-duplex communication technology used in mobile communication systems. Frequency division duplexing uses two independent channels to transmit information downwards and upwards respectively. 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 transmit 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 duplex uses two symmetrical frequency channels to transmit and receive signals respectively, and there is a certain frequency band guard interval between the transmission and reception channels. The received and/or transmitted antenna signals in the foregoing embodiments may be frequency division duplex antenna signals.

Please continue 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 to connect with the antenna radiator 34, and the plurality of second connection ends 312 is used to transmit antenna signals of different frequency bands, and one of the second connection ends 312 is respectively connected to the first channel 313 and the second channel 314;

Both ends of the first matching circuit 32 are respectively connected to the first channel 313 and ground, and the first matching circuit 32 is used to match 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, and the two ends of the second matching circuit 33 are respectively connected to the second channel 314 and ground, and the second matching circuit 33 is used to match the antenna of the first frequency band emitted by the second channel 314 Signal.

The antenna radiator 34 can be used to receive and transmit antenna signals. The antenna radiator 34 cooperates with the matching circuit to resonate, and both reception and transmission are tuned to the best efficiency point. The tuning switch module 300 may also be the tuning switch module 300 in other embodiments.

Please refer to FIG. 6 and FIG. 7. FIG. 6 is a schematic structural diagram of an antenna module provided by an embodiment of the present application. FIG. 7 is a schematic structural diagram of the radio frequency module part of the antenna module provided by the embodiment of the present application. The electronic equipment includes a radio frequency module 35, an antenna radiator 34 and a tuning switch module 300, the radio frequency module 35 is connected with the antenna radiator 34, the tuning switch module 300 is connected with the antenna radiator 34, and the tuning switch module 300 includes a first switch 31, a first The matching circuit 32 and the 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 to connect with the antenna radiator 34, and the plurality of second connection ends 312 is used to transmit antenna signals of different frequency bands, and one of the second connection ends 312 is respectively connected to the first channel 313 and the second channel 314;

Both ends of the first matching circuit 32 are respectively connected to the first channel 313 and ground, and the first matching circuit 32 is used to match 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, and the two ends of the second matching circuit 33 are respectively connected to the second channel 314 and ground, and the second matching circuit 33 is used to match the antenna of the first frequency band emitted by the second channel 314 Signal.

The antenna radiator 34 can be used to receive and transmit antenna signals. The antenna radiator 34 cooperates with the matching circuit to resonate, and both reception and transmission are tuned to the best efficiency point. Wherein, the antenna radiator 34 may be a part of the frame of the metal middle frame, for example, the top side 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 the sides, bottoms, corners, etc. of the metal middle frame. The antenna radiator 34 can also be a patch antenna radiator 34, which is arranged on the rear case of the electronic device or the like. Wherein, 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 , the first branch end of the antenna duplexer 36 is connected to the input port of the radio frequency module 35 , and the second branch end of the antenna duplexer 36 is connected to the output port of the radio frequency module 35 .

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

The radio frequency module 35 has an output port, the output port is connected to the input end of the amplifier 38, and the amplifier 38 amplifies the antenna signal for transmission, and then is connected with a plurality of antenna duplexers 36 through a selector switch 39, each antenna The duplexer 36 corresponds to an antenna signal of a frequency band, and the selector switch 39 transmits it to the corresponding antenna duplexer 36 according to the frequency band of the antenna signal to be transmitted. One end of the selector switch 39 has only one port and is connected to the output end of the amplifier 38. The other end of the selection switch 39 has a plurality of ports, and each port corresponds to the second branch end of a 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 antenna The ground point of the radiator 34 is connected, and a plurality of second connection ends 312 transmit antenna signals of different frequency bands, wherein at least one second connection end 312 is respectively connected to two channels, and is connected to one of the two channels of the same second connection end 312 One is used to receive antenna signals and the other is used to transmit antenna signals. The two channels connected to the same second connection end 312 receive and transmit antenna signals of the same frequency band; the two channels connected to the same second connection end 312 pass through a The matching circuit is grounded, and the two matching circuits connected to the same second connection end 312 have different impedances. The matching circuit is configured for optimal resonance based on the received or transmitted antenna signal. Among them, the two channels can be realized by components 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 form a tuner.

As shown in FIG. 8 , 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 (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 tuning switch module, antenna assembly and electronic equipment provided by the embodiments of the present application have been introduced in detail above. The principles and implementation methods of the present application have been explained by using specific examples in this paper. The descriptions of the above embodiments are only used to help understand the present application. Application. At the same time, for those skilled in the art, based on the idea of this application, there will be changes in the specific implementation and application scope. In summary, the content of this specification should not be construed as limiting the application.

Claims (10)

1. A tuning switch module, characterized in that, comprising: The first switch includes a first connection end and a plurality of second connection ends opposite to the first connection end, the first connection end is used to connect with the antenna radiator, and the plurality of second connection ends The terminals are used to transmit antenna signals of different frequency bands, and one of the second connection terminals is respectively connected to the first channel and the second channel; A first matching circuit, the two ends of the first matching circuit are respectively connected to the first channel and ground, the first matching circuit is used to match the antenna signal of the first frequency band received by the first channel, the first matching circuit The matching circuit is set according to the frequency of the received antenna signal; The second matching circuit is different from the impedance of the first matching circuit, the two ends of the second matching circuit are respectively connected to the second channel and the ground, and the second matching circuit is used to match the emission of the second channel For the antenna signal in the first frequency band, 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 the frequency of the transmitted antenna signal. 2. The tuning switch module according to claim 1, wherein the tuning switch module further comprises a frequency divider, and the frequency divider includes a first branch end, a second branch end and a common end; The first branch end is connected to the first channel, the second branch end is connected to the second channel, the common end is connected to the second connection end, and the common end is used for The frequency difference between the signal transmitted by the antenna and the signal received by the antenna is used to receive the antenna signal of the first frequency band by using the first channel, and to transmit the antenna signal of the first frequency band by using the second channel. 3. The tuning switch module according to claim 1, wherein the tuning switch module further comprises a duplexer, and the duplexer includes a first shunt end, a second shunt end and a common end; The first branch end is connected to the first channel, the second branch end is connected to the second channel, the common end is connected to the second connection end, and the common end is used for The first channel is used to receive the antenna signal of the first frequency band, and the second channel is used to transmit the antenna signal of the first frequency band. 4. The tuning switch module according to claim 1, wherein the tuning switch module further comprises a second switch, and the second switch comprises a first terminal, a second terminal and a control terminal; The first end is connected to the first channel, the second end is connected to the second channel, the control end is connected to the second connection end, and the control end is used to connect with the first One end is connected to the first channel to receive the antenna signal of the first frequency band, and the second channel connected to the second end is used to transmit the antenna signal of the first frequency band. 5. The tuning switch module according to claim 4, characterized in that, the tuning switch module also includes a control module, the control module is used to obtain the category of the antenna signal, and control the The second switch, wherein the types of the antenna signals include transmit signals and receive signals. 6. The tuning switch module according to claim 1, characterized in that, the first connection end transmits and/or receives frequency division duplex antenna signals. 7. A tuning switch module, characterized in that, comprising: The first switch includes a first connection end and a plurality of second connection ends opposite to the first connection end, the first connection end is used to connect with the antenna radiator, and the plurality of second connection ends The terminals are used to transmit antenna signals of different frequency bands, wherein at least two of the second connection terminals 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 to receive antenna signals, and the transmitting channel Used to send antenna signals, the receiving channel and transmitting channel in each group of channels receive and send antenna signals of the same frequency band; The receiving channel and the transmitting channel in each group of channels are respectively grounded through a matching circuit, and the two matching circuits connected to the same group of channels have different impedances, and the frequencies of the received antenna signal and the transmitted antenna signal in each group of channels are different. The matching circuit of the channel is set according to the frequency of the received antenna signal, and the matching circuit of the transmitted channel is set according to the frequency of the received antenna signal. 8. An antenna assembly, characterized in that it includes an antenna radiator and a tuning switch module, the antenna radiator is connected to the tuning switch module, and the tuning switch module is the tuning switch module according to any one of claims 1-7. switch module. 9. An electronic device, characterized in that it comprises a radio frequency module, an antenna radiator and a tuning switch module, the radio frequency module is connected to the antenna radiator, the tuning switch module is connected to the radiator, and the tuning The switch module is the tuning switch module described in any one of claims 1-7. 10 . The electronic device according to claim 9 , wherein the tuning switch module is connected to a ground point of the antenna radiator, and a feed end of the antenna radiator is connected to the radio frequency module. 11 .