CN110635821A - Radio frequency circuit and electronic equipment - Google Patents
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
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Abstract
The present disclosure relates to a radio frequency circuit and an electronic device, the radio frequency circuit includes a first switch unit, a radio frequency transceiver module, a first diversity receiving module, a first antenna module, a second switch unit, a second diversity receiving module and a second antenna module, the first switch unit has a first end and a second end; the radio frequency receiving and transmitting module is connected to the first end of the first switch unit and used for receiving and transmitting radio frequency signals; the first diversity receiving module is connected to the first end of the first switch unit and used for receiving a first diversity signal; the first antenna module is connected to the second end of the first switch unit; the second switch unit is provided with a first end and a second end, and the first end of the second switch unit is connected with the second end of the first switch unit; the second diversity receiving module is connected to the first end of the second switch unit and used for receiving the first diversity signal; the second antenna module is connected to the second end of the second switch unit.
Description
Technical Field
The present disclosure relates to the field of antenna technology, and in particular, to a radio frequency circuit and an electronic device.
Background
With the development and progress of the technology, the 5G mobile communication technology is gradually beginning to be applied to electronic devices. The communication frequency of the 5G mobile communication technology is higher than that of the 4G mobile communication technology, and in order to realize 5G data transmission, the speed and stability of 5G data transmission are often increased by a MIMO (Multiple Input Multiple Output) technology.
In the MIMO technology, a plurality of 5G antennas are often required to be installed on an electronic device, and meanwhile, the electronic device also needs to be compatible with 4G mobile communication, that is, a 4G antenna needs to be installed on the electronic device. Arranging multiple antennas in the limited space of an electronic device results in difficult antenna layout.
Disclosure of Invention
The present disclosure is directed to a radio frequency circuit and an electronic device, so as to solve a problem of difficult antenna layout caused by a plurality of antennas disposed in a limited space of the electronic device in the related art to a certain extent.
According to a first aspect of the present disclosure, there is provided a radio frequency circuit comprising:
a first switching unit having a first terminal and a second terminal;
the radio frequency receiving and transmitting module is connected to the first end of the first switch unit and used for receiving and transmitting radio frequency signals;
the first diversity receiving module is connected to the first end of the first switch unit and used for receiving a first diversity signal;
a first antenna module connected to a second end of the first switching unit;
a second switch unit having a first end and a second end, the first end of the second switch unit being connected to the second end of the first switch unit;
the second diversity receiving module is connected to the first end of the second switch unit and used for receiving a second diversity signal;
and the second antenna module is connected to the second end of the second switch unit.
According to a second aspect of the present disclosure, there is provided an electronic device comprising the antenna system described above.
The utility model provides a radio frequency circuit, radio frequency transceiver module and first diversity receiving module connect in the first end of first switch element, first antenna module connects in the second end of first switch module, second diversity receiving module connects in the first end of second switch element, second antenna module connects in the second end of second switch element, the first end of second switch element is connected to the second end of first switch element, through the switching of first switch element and second switch element, can realize the multiplexing of antenna, the quantity of the antenna among the electronic equipment has been reduced, and then solve among the electronic equipment too much and the difficult problem of antenna layout that leads to of antenna.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.
Drawings
The above and other features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
Fig. 1 is a schematic block diagram of a first radio frequency circuit provided in the related art.
Fig. 2 is a schematic block diagram of a first radio frequency circuit provided in an exemplary embodiment of the present disclosure;
fig. 3 is a schematic block diagram of a second radio frequency circuit provided in an exemplary embodiment of the present disclosure;
fig. 4 is a schematic block diagram of a third rf circuit provided in an exemplary embodiment of the present disclosure;
fig. 5 is a schematic block diagram of a fourth rf circuit provided in an exemplary embodiment of the present disclosure;
fig. 6 is a schematic block diagram of a fifth radio frequency circuit provided in an exemplary embodiment of the present disclosure.
In the figure: 110. a first switch unit; 111. a first three-pole, three-throw switch; 120. a second switching unit; 121. a second three-pole, three-throw switch; 210. a radio frequency transceiver module; 211. a first radio frequency transceiving unit; 212. a first radio frequency transceiving unit; 220. a first diversity receiving module; 230. a second diversity receiving module; 231. a second diversity receiving unit; 232. a third diversity receiving unit; 240. a power amplifier; 241. a first operational amplifier; 242. a second operational amplifier; 310. a first antenna module; 311. a first antenna; 312. a second antenna; 320. a second antenna module; 321. a third antenna; 322. a fourth antenna; 323. and a fifth antenna.
Detailed Description
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals denote the same or similar parts in the drawings, and thus, a repetitive description thereof will be omitted.
With the development of 5G communication technology, mobile communication devices need to be able to support both 4G communication and 5G communication. The communication frequency of the 5G mobile communication technology is higher, and the coverage area is more limited compared with that of 4G. In order to achieve wider coverage and higher speed data transmission, MIMO technology and SRS (Sounding Reference Signal) technology may be employed. The MIMO technology can utilize the space division multiplexing technology of multiple antennas (multiple antennas transmit different data streams) to increase the data throughput of the mobile phone in a strong signal environment, and can be switched into a high-order diversity scheme (multiple antennas transmit the same data stream) through an algorithm in a weak signal environment, so that the sensitivity of the mobile phone is improved, and the network is not easy to drop; the SRS technique estimates the channel condition of a received signal by detecting the channel condition of a co-frequency transmission signal by transmitting a sounding signal on a plurality of antennas to better enhance the performance of the receiving antenna.
The 5G mobile communication technology can reduce the difficulty of base station establishment through an NSA (Non-standard alone) mode. In the NSA mode, an EN-DC (E-UTRA NR Dual Connectivity) Dual connection mode is adopted, namely a core network accesses to a 4G EPC, a 4G base station eNB is used as a main node, and a 5G base station is used as a secondary node. An EN-DC dual-connection mode is established, 5G is attached to a network architecture of 4G base station work, independent networking cannot be achieved, 4G LTE is required to be accessed into a core network, and a new air interface base station cannot work independently and only serves as enhancement of a data pipeline of LTE through signaling interaction (such as registration, authentication and the like) between an LTE base station and the core network.
In order to ensure the 5G MIMO technology and SRS technology in NSA mode, 4G communication needs to switch between a 4G transceiver unit, a 4G diversity receiver unit, and two antennas; the 5G communication switches the 5G transceiver unit, the three 5G diversity receiver units, and the four antennas.
In the related art, a radio frequency circuit is provided, which includes a 4G radio frequency sub-circuit and a 5G radio frequency sub-circuit, as shown in fig. 1, the 4G radio frequency sub-circuit includes a 4G radio frequency transceiver module 011, a 4G diversity receiving module 012, a double-pole double-throw switch 021 and two 4G antennas 031. The 4G rf transceiver module 011 and the 4G diversity receiving module 012 are respectively connected to two throw terminals of the double-pole double-throw switch 021, and the two 4G antennas 031 are respectively connected to two common terminals of the double-pole double-throw switch 021. The 5G rf sub-circuit includes a 5G rf transceiver module 013, three 5G diversity receiving units 014, a four-pole four-throw switch 022, and four 5G antennas 032, the 5G rf transceiver module 013 and the three 5G diversity receiving units 014 are respectively connected to the four throw terminals of the four-pole four-throw switch 022, and the four 5G antennas 032 are respectively connected to the four common terminals of the four-pole four-throw switch 022.
The exemplary embodiment of the present disclosure first provides a radio frequency circuit, as shown in fig. 2, which includes a radio frequency transceiver module 210, a first diversity receiving module 220, a second diversity receiving module 230, a first switch unit 110, a second switch unit 120, a first antenna module 310, and a second antenna module 320. The first switching unit 110 has a first terminal and a second terminal; the rf transceiver module 210 is connected to a first end of the first switch unit 110, and configured to receive and transmit an rf signal; the first diversity receiving module 220 is connected to a first end of the first switch unit 110, and is configured to receive a first diversity signal; the first antenna module 310 is connected to a second end of the first switching unit 110; the second switching unit 120 has a first end and a second end, and the first end of the second switching unit 120 is connected to the second end of the first switching unit 110; the second diversity receiving module 230 is connected to the first end of the second switch unit 120, and is configured to receive a second diversity signal; the second antenna module 320 is connected to a second end of the second switching unit.
The rf transceiver module 210 is configured to transmit a 4G rf signal and a 5G rf signal and receive a 4G main set signal and a 5G main set signal, the first diversity receiving module 220 is configured to receive a 4G diversity signal and a first 5G diversity signal, and the second diversity receiving module 230 is configured to receive a second 5G diversity signal and a third 5G diversity signal.
The radio frequency circuit provided by the present disclosure, the radio frequency transceiver module 210 and the first diversity receiving module 220 are connected to the first end of the first switch unit 110, the first antenna module 310 is connected to the second end of the first switch module 110, the second diversity receiving module 230 is connected to the first end of the second switch unit 120, the second antenna module 320 is connected to the second end of the second switch unit 120, the second end of the first switch unit 110 is connected to the first end of the second switch unit 120, and by switching the first switch unit 110 and the second switch unit 120, a 5G communication multiplexing 4G antenna can be implemented, the number of antennas in the electronic device is reduced, and further, the problem of difficult antenna arrangement caused by too many antennas in the electronic device is solved.
The following will describe each part of the rf circuit provided by the embodiments of the present disclosure in detail:
as shown in fig. 3, the rf transceiver module 210 may include: the first rf transceiver unit 211 is connected to the first end of the first switch unit 110, and is configured to receive and transmit a 4G signal, and the second rf transceiver unit 212 is connected to the first rf transceiver unit 211; the second rf transceiver unit 212 is connected to the second end of the first switch unit 110, and is configured to transceive 5G signals. The first rf transceiver unit 211 is configured to output a 4G rf signal and receive a 4G main set signal. The second rf transceiver unit 212 is configured to output a 5G rf signal and receive a 5G main set signal.
The first antenna module 310 may include a first antenna 311 and a second antenna 312, the first antenna 311 being connected to a second end of the first switching unit 110; the second antenna 312 is connected to a second end of the first switching unit 110.
The first switch unit 110 may include a first three-pole three-throw switch 111, a first end of the first switch unit 110 includes a first throw end, a second throw end and a third throw end, the first rf transceiver unit 211 is connected to the first throw end, the first diversity receiver module 220 is connected to the second throw end, the first diversity receiver module 220 is configured to receive a 4G diversity signal and a first 5G diversity signal, the second rf transceiver unit 212 is connected to the third throw end, a second end of the first switch unit 110 includes a first common end, a second common end and a third common end, the first antenna 311 is connected to the first common end, the second antenna 312 is connected to the second common end, and a first end of the second switch unit 120 is connected to the third common end.
The first throw end may be connected to the first common end, the second common end, and the third common end, respectively, so as to achieve the conduction between the first rf transceiver unit 211 and the first antenna 311 and the second antenna 312, respectively. The second bit-throwing terminal may be connected to the first common terminal, the second common terminal, and the third common terminal, respectively, to realize the conduction between the first diversity receiving module 220 and the first antenna 311 and the second antenna 312, respectively. The third throw terminal can be connected to the first common terminal, the second common terminal and the third common terminal, respectively, so as to realize the conduction between the second rf transceiver unit 212 and the first antenna 311 and the second antenna 312, respectively.
The frequency bins of the 4G signal and the 5G signal received by the first diversity receiving module 220 are at least partially identical. For example, the n41 band of 5G is the same as the B41 band of 4G LTE.
The first rf transceiver unit 211 may include a 4G transmitting unit and a 4G main receiving unit, wherein the 4G transmitting unit is configured to output a 4G rf signal, and the 4G main receiving unit is configured to receive a 4G main set signal. The 4G transmitting unit and the 4G main receiving unit are both connected to the first throw end. The second rf transceiver unit 212 may include a 5G transmitting unit and a 5G main receiving unit, wherein the 5G transmitting unit is configured to output a 5G rf signal, and the 5G main receiving unit is configured to receive a 5G main set signal. And the 5G transmitting unit and the 5G main receiving unit are both connected to the third bit-throwing end. The first diversity receiving module 220 includes a 4G diversity receiving unit and a first 5G diversity receiving unit, and both the 4G diversity receiving unit and the first 5G diversity receiving unit are connected to the second throw end.
The second diversity receiving module 230 may include a second diversity receiving unit 231 and a third diversity receiving unit 232, wherein the second diversity receiving unit 231 is connected to the first end of the second switching unit 120 for receiving the second 5G diversity signal; the third diversity receiving unit 232 is connected to the first end of the second switching unit 120, and is configured to receive the third 5G diversity signal.
The second antenna module 320 may include a third antenna 321, a fourth antenna 322, and a fifth antenna 323, the third antenna 321 being connected to the second end of the second switching unit 120; the fourth antenna 322 is connected to the second end of the second switch unit 120; the fifth antenna 323 is connected to the second terminal of the second switching unit 120.
The second switch unit 120 may include a second three-pole three-throw switch 121, the first end of the second switch unit 120 includes a fourth throw end, a fifth throw end and a sixth throw end, the third common end is connected to the fourth throw end, the second diversity receiving unit 231 is connected to the fifth throw end, the third diversity receiving unit 232 is connected to the sixth throw end, the second end of the second switch unit includes a fourth common end, a fifth common end and a sixth common end, the third antenna 321 is connected to the fourth common end, the fourth antenna 322 is connected to the fifth common end, and the fifth antenna 323 is connected to the sixth common end.
The fourth throw end may be connected to the fourth common end, the fifth common end, and the sixth common end, respectively, so that the third throw end is respectively conducted with the third antenna 321, the fourth antenna 322, and the fifth antenna 323, that is, the first throw end and the third antenna 321, the fourth antenna 322, and the fifth antenna 323 are respectively communicated with, the second throw end and the third antenna 321, the fourth antenna 322, and the fifth antenna 323 are respectively communicated with, and the third throw end and the third antenna 321, the fourth antenna 322, and the fifth antenna 323 are respectively communicated with. The fifth throw terminal may be connected to the fourth common terminal, the fifth common terminal, and the sixth common terminal, respectively, to enable the second diversity receiving unit to be connected to the third antenna 321, the fourth antenna 322, and the fifth antenna 323, respectively. The sixth throw terminal may be connected to the fourth common terminal, the fifth common terminal, and the sixth common terminal, respectively, so that the third diversity receiving unit can be connected to the third antenna 321, the fourth antenna 322, and the fifth antenna 323, respectively.
Further, the first triple-pole triple-throw switch 111 further includes a first control terminal, the first control terminal is configured to receive a first control signal, and the first triple-pole triple-throw switch 111 conducts a throw position in response to the first control signal.
The second three-pole three-throw switch 121 further includes a second control terminal, the second control terminal is configured to receive a second control signal, and the second three-pole three-throw switch 121 conducts a throw position in response to the second control signal.
A first control signal is input through the first control end, a second control signal is input through the second control end, and the first control signal and the second control signal are matched to control the throw states of the first three-pole-three-throw switch 111 and the second three-pole-three-throw switch 121, so that different working modes of the radio frequency circuit are realized. On this basis, the radio frequency circuit provided by the embodiments of the present disclosure may further include a controller, where the controller is configured to detect an operating environment of the radio frequency circuit, for example, a strength of a signal received by the radio frequency circuit. The controller outputs a first control signal and a second control signal according to the detected working environment to control the working mode of the radio frequency circuit.
Illustratively, when the rf circuit is in the 5G communication test mode, the first control signal and the second control signal control the second rf transceiver unit 212 to switch to the second antenna 312, the third antenna 321, the fourth antenna 322, and the fifth antenna 323. That is, the third throw terminal is conducted with the second common terminal, or the third throw terminal is conducted with the third common terminal, and the fourth throw terminal is in turn-off with the fourth common terminal, the fifth common terminal and the sixth common terminal, respectively. When the mobile phone is in a strong signal environment, the fourth public end is communicated with the fourth throw end, the fifth public end is communicated with the fifth throw end, and the sixth public end is connected with the sixth throw end, namely, the 5G communication adopts a multi-antenna space division multiplexing technology (multiple antennas transmit different data streams), so that the data throughput of the mobile phone is increased. When the mobile communication device is in a weak signal environment, the mobile communication device is switched to a high-order diversity scheme (multiple antennas transmit the same data stream) through an algorithm, and the multiple antennas can be connected with the second radio frequency transceiving unit 212, so that the sensitivity of the mobile communication device is improved, and the mobile communication device is not easy to drop the network.
When the controller detects that the intensity of the signal received by the radio frequency circuit is greater than a preset threshold value, the radio frequency circuit is in a strong signal environment, and when the controller detects that the intensity of the signal received by the radio frequency circuit is less than or equal to the preset threshold value, the radio frequency circuit is in a weak signal environment.
The first switch unit 110 includes a first three-pole three-throw switch 111, and the second switch unit 120 includes a second three-pole three-throw switch 121, and insertion loss on a signal path is reduced by using the three-pole three-throw switch as compared with a four-pole four-throw switch. Table 1 shows a comparison table of insertion loss of the three-pole three-throw switch and the four-pole four-throw switch, and as shown in table 1, the insertion loss of the three-pole three-throw switch is smaller than that of the four-pole four-throw switch in each frequency band.
TABLE 1
It should be noted that, in the embodiment of the present disclosure, the first radio frequency transceiver unit 211 is used for 4G communication; the second radio frequency transceiving unit 212, the second diversity receiving unit 231, and the third diversity receiving unit 232 are used for 5G communication, and the first diversity receiving module 220 is multiplexed in 4G communication and 5G communication. The plurality of antennas may be used individually and connected to each of the transmitting units or the receiving units, or the plurality of antennas may be multiplexed, which is not specifically limited in this disclosure.
The radio frequency transceiver module 210, the first diversity receiving module 220 and the first antenna module 310 surround the first switch unit 110; the second diversity receiving module 230 and the second antenna module 320 surround the second switching unit 120. By surrounding the rf transceiver module 210, the first diversity receiving module 220 and the first antenna module 310 around the first switch unit 110 and surrounding the second diversity receiving module 230 and the second antenna module 320 around the second switch unit 120, the connection distance between each antenna and the transceiver unit and the switch unit is shortened, and the line loss is reduced.
The first rf transceiver unit 211, the second rf transceiver unit 212, the first diversity receiving module, the first antenna 311, and the second antenna 312 surround the first switch unit 110; the second diversity receiving unit 231, the third diversity receiving unit 232, the third antenna 321, the fourth antenna 322, and the fifth antenna 323 surround the second switching unit 120.
The first rf transceiver unit 211 and the first switch unit 110 are connected by a first connection line. The second rf transceiver unit 212 and the first switch unit 110 are connected by a second connection line. The first diversity receiving module and the third connecting line are connected through a third connecting line. The first antenna 311 and the first switching unit 110 are connected by a fourth connection line. The second antenna 312 and the second switching unit 120 are connected by a fifth connection line. The second diversity receiving unit 231 and the second switching unit 120 are connected by a sixth connection line. The third diversity receiving unit 232 and the second switching unit 120 are connected by a seventh connection line. The third antenna 321 and the second switching unit 120 are connected by an eighth connection line. The fourth antenna 322 and the second switching unit 120 are connected by a ninth connection line. The fifth antenna 323 and the second switching unit 120 are connected by a tenth connection line. The first and second switching units 110 and 120 are connected by an eleventh connection line.
For example, as shown in fig. 6, the positions of the first three-pole three-throw switch 111 and the second three-pole three-throw switch 121 are different, and the first rf transceiver unit 211 is located between the first three-pole three-throw switch 111 and the second three-pole three-throw switch 121 and the second rf transceiver unit 212 is located between the first three-pole three-throw switch 111 and the second three-pole three-throw switch 121. The first antenna 311 is located on the upper side of the first triple-pole triple-throw switch 111, wherein the side of the first triple-pole triple-throw switch 111 away from the second triple-pole triple-throw switch 121 is the upper side. The second antenna 312 is located on the left side of the first three-pole, three-throw switch 111 and the first diversity receive module 220 is located on the right side of the first three-pole, three-throw switch 111. The third antenna 321 is located at the left side of the second triple-pole triple-throw switch 121, the second diversity receiving unit 231 is located at the lower side of the second triple-pole triple-throw switch 121, and the fourth antenna 322, the third diversity receiving unit 232, and the fifth antenna 323 are disposed at the right side of the second triple-pole triple-throw switch 121.
The radio frequency circuit can further comprise a Wifi antenna, and the first antenna 311, the second antenna 312, the third antenna 321, the fourth antenna 322 and the fifth antenna 323 are respectively arranged around the first switch unit and the second switch unit 120, so that the difficulty of antenna arrangement in a certain local area of the electronic device is reduced, and arrangement of other antennas such as the Wifi antenna is facilitated.
The first switch unit 110, the second switch unit 120, the first rf transceiver unit 211, the second rf transceiver unit 212, the first diversity receiving module 220, and the second diversity receiving module 230 may be disposed on a motherboard of the electronic device.
The first antenna 311, the second antenna 312, the third antenna 321, the fourth antenna 322, and the fifth antenna 323 may each include a radiator, and the radiator may be disposed on a motherboard, a frame, or a rear cover.
Further, as shown in fig. 5, the radio frequency circuit provided in the embodiment of the present disclosure may further include a power amplifier, where the power amplifier is disposed between the radio frequency transceiver module and the first switch unit.
When the rf transceiver module includes the first rf transceiver unit 211 and the second rf transceiver unit 212, as shown in fig. 6, the power amplifier may include a first operational amplifier and a second operational amplifier, the first operational amplifier is disposed between the first rf transceiver unit 211 and the first switch unit, and the second operational amplifier is disposed between the second rf transceiver unit 212 and the first switch unit.
It should be noted that although in the above detailed description several modules or units of the radio frequency circuit are mentioned, this division is not mandatory. Indeed, the features and functionality of two or more modules or units described above may be embodied in one module or unit, according to embodiments of the present disclosure. Conversely, the features and functions of one module or unit described above may be further divided into embodiments by a plurality of modules or units.
The radio frequency circuit provided by the embodiment of the disclosure can multiplex the antennas for 4G communication during 5G communication through the first three-pole three-throw switch 111 and the second three-pole three-throw switch 121, so that the number of antennas in the electronic device is reduced, and the problem of difficult antenna layout caused by excessive number of antennas in the 5G electronic device is solved; and by connecting the first antenna 311 and the second antenna 312 with the first switch unit 110, and connecting the third antenna 321, the fourth antenna 322 and the fifth antenna 323 with the second switch unit 120, the first switch unit 110 and the second switch unit 120 can be disposed at different positions, so that the isolation of each antenna is ensured, the problem of large signal attenuation loss caused by overlong connection lines between the switch units and the antennas is avoided, the arrangement area of the antennas is expanded, and the problem of low antenna isolation caused by arranging a plurality of antennas in a limited space is solved.
The exemplary embodiments of the present disclosure also provide an electronic device including the antenna system described above.
The electronic device provided by the example of the present disclosure may further include a display screen, a bezel, a main board, a battery, and a rear cover. The display screen is arranged on the frame to form a display surface of the electronic equipment, and the display screen is used as a front shell of the electronic equipment. The back lid passes through double-sided adhesive and pastes on the frame, and display screen, frame and back lid form an accommodating space for hold other electronic component or the functional module of electronic equipment. Meanwhile, the display screen forms a display surface of the electronic device for displaying information such as images and texts. The Display screen may be a Liquid Crystal Display (LCD) or an organic light-Emitting Diode (OLED) Display screen.
The display screen can be provided with a glass cover plate. Wherein, glass apron can cover the display screen to protect the display screen, prevent that the display screen from being scratched or by the water damage.
The frame can be a hollow frame structure. The material of the frame may include metal or plastic. The frame can be provided with a sealing part, the sealing part is positioned inside the frame, and the sealing part is used for connecting the rear cover. The radiators of the first antenna 311, the second antenna 312, the third antenna 321, the fourth antenna 322, and the fifth antenna 323 may be distributed on the frame. The frame may now be a metal frame.
The mainboard is installed in above-mentioned accommodating space. For example, the main board may be mounted on the frame and accommodated in the accommodating space together with the frame. The main board is provided with a grounding point to realize the grounding of the main board. One or more of the functional modules such as a motor, a microphone, a loudspeaker, 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 can be integrated on the main board. Meanwhile, the display screen may be electrically connected to the main board.
The first switch unit 110, the second switch unit 120, the first rf transceiver unit 211, the second rf transceiver unit 212, the first diversity receiving module and the second diversity receiving module may be disposed on the motherboard. Certainly, in practical applications, the first antenna 311, the second antenna 312, the third antenna 321, the fourth antenna 322, and the fifth antenna 323 may also be disposed on the motherboard, and the embodiment of the disclosure is not limited thereto.
The battery is arranged in the accommodating space. For example, the battery may be mounted on the frame and accommodated in the accommodating space together with the frame. The battery may be electrically connected to the motherboard to enable the battery to power the electronic device. Wherein, a power management circuit can be arranged on the mainboard. The power management circuit is used to distribute the voltage provided by the battery to various electronic components in the electronic device.
The back cover is used to form the outer contour of the electronic device. The rear cover may be integrally formed. In the forming process of the rear cover, structures such as a rear camera hole and a fingerprint identification module mounting hole can be formed on the rear cover. The radiators of the first antenna 311, the second antenna 312, the third antenna 321, the fourth antenna 322, and the fifth antenna 323 may also be disposed on the rear cover, and in this case, the rear cover may be a metal rear cover.
The radio frequency circuit provided by the embodiment of the present disclosure, the radio frequency transceiver module 210 and the first diversity receiving module 220 are connected to the first end of the first switch unit 110, the first antenna module 310 is connected to the second end of the first switch module 110, the second diversity receiving module 230 is connected to the first end of the second switch unit 120, the second antenna module 320 is connected to the second end of the second switch unit 120, the second end of the first switch unit 110 is connected to the first end of the second switch unit 120, and by switching between the first switch unit 110 and the second switch unit 120, a 5G communication multiplexing 4G antenna can be implemented, the number of antennas in the electronic device is reduced, and the problem of difficult antenna arrangement caused by too many antennas in the electronic device is solved. The first switch unit 110 and the second switch unit 120 can be used for switching the 4G communication antenna and the 5G communication antenna, the first antenna 311 and the second antenna 312 are connected with the first switch unit 110, the third antenna 321, the fourth antenna 322 and the fifth antenna 323 are connected with the second switch unit 120, the first switch unit 110 and the second switch unit 120 can be arranged at different positions, the isolation degree of each antenna is ensured, the problem that the signal attenuation loss is large due to the fact that the connecting line between the switch unit and the antenna is too long is avoided, the arrangement area of the antennas is expanded, and the problem that the isolation degree of the antennas is low due to the fact that a plurality of antennas are arranged in a limited space is solved.
As will be appreciated by one skilled in the art, aspects of the present disclosure may be embodied as a system, method or program product. Thus, various aspects of the invention may be embodied in the form of: an entirely hardware embodiment, an entirely software embodiment (including firmware, microcode, etc.) or an embodiment combining hardware and software aspects that may all generally be referred to herein as a "circuit," module "or" system.
Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice within the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.
It will be understood that the present disclosure is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the present disclosure is to be limited only by the terms of the appended claims.
Claims (13)
1. A radio frequency circuit, characterized in that the radio frequency circuit comprises:
a first switching unit having a first terminal and a second terminal;
the radio frequency receiving and transmitting module is connected to the first end of the first switch unit and used for receiving and transmitting radio frequency signals;
the first diversity receiving module is connected to the first end of the first switch unit and used for receiving a first diversity signal;
a first antenna module connected to a second end of the first switching unit;
a second switch unit having a first end and a second end, the first end of the second switch unit being connected to the second end of the first switch unit;
the second diversity receiving module is connected to the first end of the second switch unit and used for receiving a second diversity signal;
and the second antenna module is connected to the second end of the second switch unit.
2. The radio frequency circuit of claim 1, wherein the radio frequency transceiver module comprises:
the first radio frequency transceiving unit is connected with the first end of the first switch unit and used for transceiving 4G signals;
and the second radio frequency transceiving unit is connected with the second end of the first switch unit and used for transceiving 5G signals.
3. The radio frequency circuit of claim 2, wherein the first antenna module comprises:
a first antenna connected to a second end of the first switch unit;
and the second antenna is connected to the second end of the first switch unit.
4. The radio frequency circuit according to claim 3, wherein the first switching unit includes:
the first end of the first switch unit comprises a first throw end, a second throw end and a third throw end, the first radio frequency transceiver unit is connected to the first throw end, the first diversity receiving module is connected to the second throw end, the first diversity receiving module is used for receiving 4G diversity signals and first 5G diversity signals, the second radio frequency transceiver unit is connected to the third throw end, the second end of the first switch unit comprises a first public end, a second public end and a third public end, the first antenna is connected to the first public end, the second antenna is connected to the second public end, and the first end of the second switch unit is connected to the third public end.
5. The radio frequency circuit of claim 4, wherein the first three-pole, three-throw switch further comprises:
the first control end is used for receiving a first control signal, and the first three-pole three-throw switch responds to the first control signal to conduct throw position conduction.
6. The radio frequency circuit according to claim 4, wherein the frequency band of the 4G signal and the 5G signal received by the first diversity receiving module are the same.
7. The radio frequency circuit of claim 1, wherein the second diversity receive module comprises:
the second diversity receiving unit is connected to the first end of the second switch unit and used for receiving a second 5G diversity signal;
and the third diversity receiving unit is connected to the first end of the second switching unit and used for receiving a second 5G diversity signal.
8. The radio frequency circuit of claim 7, wherein the second antenna module comprises:
a third antenna connected to a second end of the second switching unit;
a fourth antenna connected to a second end of the second switching unit;
and the fifth antenna is connected to the second end of the second switch unit.
9. The radio frequency circuit according to claim 8, wherein the second switching unit includes:
the first end of the second switch unit comprises a fourth throw end, a fifth throw end and a sixth throw end, the second end of the first switch unit is connected to the fourth throw end, the second diversity receiving unit is connected to the fifth throw end, the third diversity receiving unit is connected to the sixth throw end, the second end of the second switch unit comprises a fourth public end, a fifth public end and a sixth public end, the third antenna is connected to the fourth public end, the fourth antenna is connected to the fifth public end, and the fifth antenna is connected to the sixth public end.
10. The radio frequency circuit of claim 9, wherein the second three-pole, three-throw switch further comprises:
and the second control end is used for receiving a second control signal, and the second three-pole three-throw switch responds to the second control signal to conduct throw position conduction.
11. The radio frequency circuit of claim 1, wherein the radio frequency circuit further comprises:
and the power amplifier is arranged between the radio frequency transceiving module and the first switch unit.
12. The radio frequency circuit according to claim 1, wherein a radio frequency transceiver module, a first diversity receiving module and a first antenna module surround the first switching unit;
the second diversity receive module and the second antenna module surround a second switch unit.
13. An electronic device, characterized in that the electronic device comprises a radio frequency circuit according to any of claims 1-12.
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| CN201911055350.7A CN110635821B (en) | 2019-10-31 | 2019-10-31 | Radio frequency circuit and electronic equipment |
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| CN201911055350.7A CN110635821B (en) | 2019-10-31 | 2019-10-31 | Radio frequency circuit and electronic equipment |
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