CN111756897A - Electronic equipment - Google Patents
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- CN111756897A CN111756897A CN202010576532.5A CN202010576532A CN111756897A CN 111756897 A CN111756897 A CN 111756897A CN 202010576532 A CN202010576532 A CN 202010576532A CN 111756897 A CN111756897 A CN 111756897A
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- frequency band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0274—Details of the structure or mounting of specific components for an electrical connector module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0277—Details of the structure or mounting of specific components for a printed circuit board assembly
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
The embodiment of the application discloses electronic equipment, includes: the antenna comprises a first circuit board, a second circuit board and at least two antennas; the second circuit board is connected with the first circuit board through a radio frequency coaxial cable, and the radio frequency coaxial cable supports the transmission of radio frequency signals of at least three frequency bands; the at least three frequency bands comprise a first frequency band, a second frequency band and a third frequency band; the first frequency band covers a low-frequency band required by the electronic equipment; the second frequency band covers the intermediate frequency band required by the electronic equipment; the third frequency band covers the high-frequency band required by the electronic equipment; the at least two antennas are connected with the second circuit board and used for supporting a first frequency band, a second frequency band and a third frequency band. The required full frequency channel of this electronic equipment can be through the transmission of a radio frequency coaxial cable, and the quantity that is used for transmitting the radio frequency coaxial cable of antenna signal among the at utmost has reduced electronic equipment has simplified the design of antenna structure among the electronic equipment, has reduced electronic equipment's cost.
Description
Technical Field
The present application relates to the field of electronic technology, and in particular, to an electronic device.
Background
With the development of communication technology, more and more electronic devices integrate communication functions, and antenna frequency bands covered by the electronic devices are wider and wider, for example, the existing electronic devices with communication functions are transitioning from 4G communication functions to 5G communication functions, and may be developed to communication functions with wider antenna frequency bands and faster data transmission speed, such as 6G communication, in the future. Due to the fact that the antenna environment in the electronic device is more and more harsh, when the existing electronic device covers the full-band antenna signals with the wider and wider frequency band range, the number of the required radio frequency coaxial cables for transmitting the signals is more and more, the design of the antenna structure in the existing electronic device is more and more complex, and the cost is more and more high.
Disclosure of Invention
In a first aspect, an embodiment of the present application provides an electronic device, which includes
A first circuit board;
the second circuit board is connected with the first circuit board through a radio frequency coaxial cable, and the radio frequency coaxial cable supports the transmission of radio frequency signals of at least three frequency bands; the at least three frequency bands comprise a first frequency band, a second frequency band and a third frequency band; the first frequency band covers a low-frequency band required by the electronic equipment; the second frequency band covers an intermediate frequency band required by the electronic equipment; the third frequency band covers a high-frequency band required by the electronic equipment;
the at least two antennas are connected with the second circuit board and used for supporting the first frequency band, the second frequency band and the third frequency band.
Optionally, the first circuit board includes: a first connector; the second circuit board includes a second connector;
one end of the radio frequency coaxial cable is connected with the first connector, and the other end of the radio frequency coaxial cable is connected with the second connector.
Optionally, the first circuit board further includes:
at least two radio frequency elements for supporting the first frequency band, the second frequency band, and the third frequency band;
the first passive radio frequency combiner is respectively connected with each radio frequency element of the at least two radio frequency elements and the first connector and is used for obtaining at least one radio frequency signal of the multiple radio frequency signals output by the at least two radio frequency elements and outputting the radio frequency signal to the first connector; and outputting the radio frequency signal obtained by the first connector to a corresponding radio frequency element.
Optionally, the second circuit board further includes:
the second passive radio frequency combiner is respectively connected with each antenna of the at least two antennas and the second connector and is used for obtaining at least one path of radio frequency signal in the radio frequency signals output by the at least two antennas and outputting the radio frequency signal to the second connector; and
and outputting the radio frequency signals obtained from the second connector to the corresponding antenna.
Optionally, the first circuit board further includes:
the signal testing seat is arranged between the first passive radio frequency combiner and the first connector and is used for calibrating or/and testing radio frequency paths of the at least two radio frequency elements to the corresponding antennas.
Optionally, the electronic device is an electronic device that supports at least a fourth-generation communication technology, a frequency range of the first frequency band is 690MHZ to 960MHZ, a frequency range of the second frequency band is 1710MHZ to 2170MHZ, and a frequency range of the third frequency band is 2300MHZ to 2690 MHZ;
the at least two antennas include a first antenna and a second antenna, the first antenna is configured to support the first frequency band, and the second antenna is configured to support the second frequency band and the third frequency band.
Optionally, the first circuit board includes:
at least two radio frequency elements including a first radio frequency element and a second radio frequency element, the first radio frequency element configured to support the first frequency band, the second radio frequency element configured to support the second frequency band and the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends transmit signals of the first frequency band, the second frequency band and the third frequency band, and the first output end is connected with the first connecting seat;
and the second passive radio frequency combiner comprises a second input end and two second output ends, the second input end is connected with the first connecting seat, and the two second output ends are respectively connected with the first antenna and the second antenna.
Optionally, the electronic device is an electronic device that supports at least a fifth generation communication technology, a frequency range of the first frequency band is 690MHZ to 960MHZ, a frequency range of the second frequency band is 1710MHZ to 2690MHZ, and a frequency range of the third frequency band is greater than 3000 MHZ;
the at least two antennas include a first antenna, a second antenna and a third antenna, the first antenna is used for supporting the first frequency band, the second antenna is used for supporting the second frequency band, and the third antenna is used for supporting the third frequency band.
Optionally, the first circuit board includes:
at least two radio frequency components including a first radio frequency component, a second radio frequency component, and a third radio frequency component, the first radio frequency component configured to support the first frequency band, the second radio frequency component configured to support the second frequency band, and the third radio frequency component configured to support the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends are respectively connected with the first radio frequency element, the second radio frequency element and the third radio frequency element, and the first output end is connected with the first connecting seat;
the second passive radio frequency combiner comprises a second input end and three second output ends, the second input end is connected with the first connecting seat, and the two second output ends are respectively connected with the first antenna, the second antenna and the third antenna.
In a second aspect, an embodiment of the present application further provides an electronic device, where the electronic device includes:
circuit board
The at least two antennas are connected with the circuit board and used for supporting a first frequency band, a second frequency band and a third frequency band; the first frequency band covers a low-frequency band required by the electronic equipment; the second frequency band covers an intermediate frequency band required by the electronic equipment; the third frequency band covers a high-frequency band required by the electronic equipment;
wherein, the circuit board includes:
a first passive radio frequency combiner, connected to each of at least two radio frequency components, wherein the at least two radio frequency components are configured to support the first frequency band, the second frequency band, and the third frequency band;
the test seat is connected with the first passive radio frequency combiner;
the second passive radio frequency combiner is respectively connected with each antenna of the at least two antennas and the test seat;
wherein the test socket is used for calibrating or/and testing the radio frequency paths of the at least two radio frequency elements to the corresponding antennas.
In the embodiment of the application, the first circuit board with the second circuit board is connected through a radio frequency coaxial cable, and supports the transmission of the radio frequency signal of three frequency channel at least in this radio frequency coaxial cable, at least three frequency channel covers the required full frequency channel of electronic equipment to make in the electronic equipment that this application embodiment provided, the required full frequency channel of electronic equipment can be through a radio frequency coaxial cable transmission, and furthest has reduced the quantity of the radio frequency coaxial cable who is used for transmitting antenna signal among the electronic equipment has simplified the design of antenna structure among the electronic equipment has reduced the cost of antenna structure among the electronic equipment, and then has reduced electronic equipment's cost.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of an electronic device according to another embodiment of the present application;
fig. 3 is a schematic structural diagram of an electronic device according to another embodiment of the present application;
fig. 4 is a schematic structural diagram of an electronic device according to yet another embodiment of the present application;
fig. 5 is a schematic structural diagram of an electronic device according to another embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to still another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways than those described herein, and it will be apparent to those of ordinary skill in the art that the present application is not limited to the specific embodiments disclosed below.
As described in the background section, when the existing electronic device covers the full-band antenna signal with the wider and wider frequency band, the number of the radio frequency coaxial cables required for transmitting the signal is increased, so that the design of the antenna structure in the existing electronic device is more and more complicated, and the cost is more and more high.
In view of this, an embodiment of the present application provides an electronic device, as shown in fig. 1, the electronic device includes:
a first circuit board 10;
a second circuit board 20, wherein the second circuit board 20 is connected to the first circuit board 10 through a radio frequency coaxial cable 30, and the radio frequency coaxial cable supports transmission of radio frequency signals of at least three frequency bands; the at least three frequency bands comprise a first frequency band, a second frequency band and a third frequency band, the first frequency band covers a low-frequency band required by the electronic equipment, the second frequency band covers an intermediate-frequency band required by the electronic equipment, and the third frequency band covers a high-frequency band required by the electronic equipment, namely the first frequency band, the second frequency band and the third frequency band cover a full-frequency band required by the electronic equipment;
the at least two antennas 40 are connected to the second circuit board 20, and the at least two antennas 40 are configured to support the first frequency band, the second frequency band, and the third frequency band.
In the embodiment of the application, the first circuit board with the second circuit board is connected through a radio frequency coaxial cable, and supports the transmission of the radio frequency signal of three frequency channel at least in this radio frequency coaxial cable, at least three frequency channel covers the required full frequency channel of electronic equipment to make in the electronic equipment that this application embodiment provided, the required full frequency channel of electronic equipment can be through a radio frequency coaxial cable transmission, and furthest has reduced the quantity of the radio frequency coaxial cable who is used for transmitting antenna signal among the electronic equipment has simplified the design of antenna structure among the electronic equipment has reduced the cost of antenna structure among the electronic equipment, and then has reduced electronic equipment's cost.
On the basis of the above embodiments, in an embodiment of the present application, the first circuit board is a main board, such as an IC circuit board, and the second circuit board is a small board, such as an FPC circuit board, but the present application is not limited thereto.
It should be noted that, along with the integrated functions of the electronic device increasing, the number of components and parts arranged on the main board in the electronic device increases, so that the antenna environment on the main board in the electronic device is more and more harsh, and it is difficult to set an antenna on the main board in the electronic device to cover the full frequency band required by the electronic device.
In order to fully utilize the internal space of the electronic device and reduce the influence of each component on the main board on the performance of the antenna, the antenna is usually arranged at a position far away from the main board and connected through a radio frequency coaxial cable.
Because the difficulty of direct connection between different circuit boards through a radio frequency coaxial cable is great, on the basis of the above-mentioned embodiment, in an optional embodiment of the present application, the first circuit board includes a first connector, the second circuit board includes a second connector, wherein, one end of the radio frequency coaxial cable is connected with the first connector, the other end of the radio frequency coaxial cable is connected with the second connector, thereby through the radio frequency coaxial cable realize the connection of the first connector with the second connector.
It should be noted that, in the electronic equipment that this application embodiment provided, first circuit board with the second circuit board is connected through a radio frequency coaxial cable, consequently, the electronic equipment that this application embodiment provided, at the straight line first circuit board with during the connection of second circuit board, only need two connecting seats of a first connecting seat and a second connecting seat can realize the transmission of the full frequency channel's of electronic equipment signal has reduced greatly the quantity of required connecting seat has simplified in the electronic equipment the inside circuit structure design of electronic equipment has not only reduced electronic equipment's cost has still saved the overall arrangement space.
It should be further noted that, compared with the case that the two first connection seats and the two second connection seats are respectively connected through one radio frequency coaxial cable, the electronic device provided in the embodiment of the present application can save about 5 rmb in the design of the antenna structure of a single electronic device by connecting one first connection seat and one second connection seat through one radio frequency coaxial cable, and therefore, when the electronic device provided in the embodiment of the present application is applied to mass production, the cost can be significantly reduced.
On the basis of the above-described embodiments, in an embodiment of the present application, as shown in fig. 2 and 3, the first circuit board further includes:
at least two radio frequency elements for supporting the first frequency band, the second frequency band, and the third frequency band;
and the first passive radio frequency combiner is respectively connected with each radio frequency element of the at least two radio frequency elements and the first connector, and is used for obtaining at least one path of radio frequency signal in the multiple paths of radio frequency signals output by the at least two radio frequency elements and outputting the radio frequency signal obtained by the first connector to the corresponding radio frequency element.
It should be noted that, in this embodiment of the application, the first passive radio frequency combiner includes at least three first input ends and a first output end, where the first input end corresponds to one of the at least three frequency bands, respectively, and is used to implement transmission of a signal in the frequency band between the radio frequency element and the first passive radio frequency combiner, and the second output end is connected to the first connector, so as to implement transmission of signals in each frequency band between the at least two radio frequency elements and the first connector.
It should be further noted that, in the embodiment of the present application, the first passive radio frequency combiner has a smaller volume and a lower cost, and the space limitation for designing the antenna structure in the electronic device provided in the embodiment of the present application is smaller, and the cost of the electronic device is not excessively increased.
Specifically, on the basis of the foregoing embodiment, in an embodiment of the present application, when the first passive rf combiner is configured to obtain at least one rf signal of the multiple rf signals output by the at least two rf components and output the obtained at least one rf signal to the first connector, the first passive rf combiner is specifically configured to: and obtaining at least two paths of radio frequency signals in the multiple paths of radio frequency signals output by the at least two radio frequency elements, combining the at least two paths of radio frequency signals into one path of signal and outputting the one path of signal to the first connector. Correspondingly, if the signal obtained by the first passive radio frequency combiner from the first connector includes at least two radio frequency signals, the first passive radio frequency combiner is specifically configured to divide the radio frequency signal obtained by the first connector into at least two radio frequency signals when outputting the radio frequency signal obtained by the first connector to its corresponding radio frequency element, and output the radio frequency signals to its corresponding radio frequency element respectively.
On the basis of any one of the above embodiments, in an embodiment of the present application, the second circuit board further includes:
and the second passive radio-frequency combiner is respectively connected with each antenna of the at least two antennas and the second connecting line, and is used for obtaining at least one path of radio-frequency signal in the multi-path radio-frequency signals output by the at least two antennas and outputting the radio-frequency signal to the second connector, and is used for outputting the radio-frequency signal obtained by the second connector to the corresponding antenna.
It should be noted that, in this embodiment of the application, the second passive radio frequency combiner includes a second input end and at least two second output ends, where the second input end is connected to the second connector, the second output ends are in one-to-one correspondence with the antennas, and the at least two second output ends are respectively connected to each of the at least two antennas, so as to implement signal transmission between the second connector and the at least two antennas.
Specifically, on the basis of the above embodiment, in an embodiment of the present application, the second passive rf combiner is configured to obtain at least one rf signal of the multiple rf signals output by the at least two antennas and output the obtained at least two rf signals to the second connector, and combine the obtained at least two rf signals into one signal to output the synthesized signal to the second connector; correspondingly, if the signal obtained by the second passive rf combiner from the second connector includes at least two rf signals, when the second passive rf combiner outputs the rf signal obtained by the second connector to its corresponding antenna element, the second passive rf combiner is specifically configured to divide the rf signal obtained by the second connector into at least two rf signals, which are respectively output to its corresponding antenna and radiated outward via the antenna.
On the basis of any one of the above embodiments, in an embodiment of the present application, the first circuit board further includes: the signal testing seat is arranged between the first passive radio frequency combiner and the first connector and is used for calibrating or/and testing radio frequency paths of the at least two radio frequency elements to the corresponding antennas.
Specifically, in this embodiment of the application, one end of the signal testing socket is connected to the first output end of the first passive rf combiner, and the other end of the signal testing socket is connected to the first connector.
In another embodiment of the present application, the signal testing socket is not disposed on the first circuit board, but disposed on the second circuit board, and in this embodiment, the second circuit board further includes: and the signal testing seat is arranged between the second passive radio frequency combiner and the second connector and is used for calibrating or/and testing the radio frequency paths from the at least two radio frequency elements to the corresponding antennas. Specifically, in this embodiment of the application, one end of the signal testing socket is connected to the first input end of the second passive rf component, and the other end of the signal testing socket is connected to the second connecting socket.
The electronic device provided by the embodiment of the application is described below with reference to a specific application scenario.
In an embodiment of the present application, the electronic device is an electronic device that supports at least a fourth-generation communication technology, and in this embodiment, a frequency range of the first frequency band is 690MHZ to 960MHZ, a frequency range of the second frequency band is 1710MHZ to 2170MHZ, and a frequency range of the third frequency band is 2300MHZ to 2690 MHZ.
On the basis of the foregoing embodiments, in an embodiment of the present application, the at least two antennas include a first antenna and a second antenna, the first antenna is configured to support the first frequency band, the second antenna is configured to support the second frequency band and the third frequency band, that is, the first antenna is configured to support signals in an LB frequency band, and the second antenna is configured to support signals in MB and HB frequency bands. In another embodiment of the present application, the first antenna is configured to support the first frequency band and the second frequency band, and the second antenna is configured to support the third frequency band; in another embodiment of the present application, the at least two antennas include a first antenna, a second antenna, and a third antenna, where the first antenna is configured to support the first frequency band, the second antenna is configured to support the second frequency band, and the third antenna is configured to support the third frequency band, which is not limited in this application, as the case may be.
The electronic device provided in the embodiment of the present application is described below by taking, as an example, that the at least two antennas include a first antenna and a second antenna, where the first antenna supports the first frequency band, and the second antenna supports the second frequency band and the third frequency band.
As shown in fig. 2, in the embodiment of the present application, the first circuit board includes:
at least two radio frequency elements including a first radio frequency element and a second radio frequency element, the first radio frequency element configured to support the first frequency band, the second radio frequency element configured to support the second frequency band and the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends respectively correspond to the first frequency band, the second frequency band and the third frequency band to transmit signals of the first frequency band, the second frequency band and the third frequency band, and the first output end is connected with the first connector and is used for obtaining at least one path of radio frequency signal in the multi-path radio frequency signals output by the first radio frequency element and the second radio frequency element and outputting the radio frequency signal to the first connector and outputting the radio frequency signal obtained from the first connector to the corresponding radio frequency element so as to realize signal transmission between the first connector and the first radio frequency element and between the first connector and the second radio frequency element;
and the second passive radio frequency combiner comprises a second input end and two second output ends, the second input end is connected with the first connecting seat, the two second output ends are respectively connected with the first antenna and the second antenna, and the second passive radio frequency combiner is used for outputting at least one path of radio frequency signal in the multi-path radio frequency signals output by the first antenna and the second antenna to the second connector, outputting the radio frequency signal obtained from the second connector to the corresponding antenna, and realizing the signal transmission between the first connector and the first antenna and between the first connector and the second antenna respectively.
It should be noted that, in the embodiment of the present application, the configuration manners of the first frequency band, the second frequency band, and the third frequency band in the first radio frequency element and the second radio frequency element and the configuration manners thereof in the first antenna and the second antenna may be the same or different, depending on the circumstances.
Specifically, in an embodiment of the present application, the first frequency band, the second frequency band, and the third frequency band are configured in the first radio frequency element and the second radio frequency element in the same manner as the first antenna and the second antenna in the same manner, for example, the first radio frequency element is configured to support the first frequency band, the second radio frequency element is configured to support the second frequency band and the third frequency band, and correspondingly, the first antenna is configured to support the first frequency band, and the second antenna is configured to support the second frequency band and the third frequency band, refer to fig. 2.
In another embodiment of the present application, the first frequency band, the second frequency band and the third frequency band are configured in different manners in the first radio frequency element and the second radio frequency element and in different manners in the first antenna and the second antenna, for example, the first radio frequency element is configured to support the first frequency band, the second radio frequency element is configured to support the second frequency band and the third frequency band, and correspondingly, the first antenna is configured to support the first frequency band and the third frequency band, and the second antenna is configured to support the second frequency band, refer to fig. 3.
In other embodiments of the present application, the first frequency band, the second frequency band, and the third frequency band may also adopt other configuration manners, which is not limited in the present application and is determined as the case may be.
It should be further noted that, compared with the case that the first radio frequency component and the second radio frequency component are respectively connected to the corresponding antennas through the respective connection seat and the radio frequency coaxial cable, the electronic device provided in the embodiment of the present application combines the radio frequency signals output by the first radio frequency component and the second radio frequency component into one path and transmits the path through the group of connection seats and the radio frequency coaxial cable, which can save about 5 rmb in the design of the antenna structure of a single electronic device, and therefore, when the electronic device provided in the embodiment of the present application is applied to mass production, the cost can be significantly reduced.
In another embodiment of the present application, the electronic device at least supports an electronic device of a fifth generation communication technology, a frequency range of the first frequency band is 690MHZ to 960MHZ, a frequency range of the second frequency band is 1710MHZ to 2690MHZ, and a frequency range of the third frequency band is greater than 3000 MHZ.
On the basis of the foregoing embodiment, in an embodiment of the present application, the at least two antennas include a first antenna, a second antenna, and a third antenna, where the first antenna is configured to support the first frequency band, the second antenna is configured to support the second frequency band, and the third antenna is configured to support the third frequency band, so as to implement full-band coverage in a fifth-generation mobile communication technology. Specifically, in an embodiment of the present application, the first antenna is configured to support signals in an LB frequency band, the second antenna is configured to support signals in MB and HB frequency bands, and the third antenna is configured to support signals in at least one of N77, N78, and N79.
It should be noted that the frequency band range of the LB frequency band is 690MHZ to 960MHZ, the frequency band range of the MB frequency band is 1710MHZ to 2170MHZ, the frequency band range of the HB frequency band is 2300MHZ to 2690MHZ, the frequency band range of the N77 frequency band is 3300MHZ to 4200MHZ, the frequency band range of the N78 frequency band is 3300MHZ to 3800MHZ, and the frequency band range of the N79 frequency band is 4400MHZ to 5000 MHZ.
Optionally, in an embodiment of the present application, as shown in fig. 4, the first circuit board includes:
at least two radio frequency components including a first radio frequency component, a second radio frequency component, and a third radio frequency component, the first radio frequency component configured to support the first frequency band, the second radio frequency component configured to support the second frequency band, and the third radio frequency component configured to support the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends are respectively connected with the first radio frequency element, the second radio frequency element and the third radio frequency element, the first output end is connected with the first connector and is used for obtaining at least one path of radio frequency signal in a plurality of paths of radio frequency signals output by the first radio frequency element, the second radio frequency element and the third radio frequency element and outputting the radio frequency signal obtained from the first connector to the corresponding radio frequency element, so that signal transmission among the first connector, the first radio frequency element, the second radio frequency element and the third radio frequency element is realized;
the second passive radio frequency combiner comprises a second input end and three second output ends, the second input end is connected with the first connecting seat, the three second output ends are respectively connected with the first antenna, the second antenna and the third antenna, and the second passive radio frequency combiner is used for outputting at least one path of radio frequency signal in the multi-path radio frequency signals output by the first antenna, the second antenna and the third antenna to the second connector, outputting the radio frequency signal obtained from the second connector to the corresponding antenna, and realizing signal transmission between the first connector and the first antenna, the second antenna and the third antenna respectively.
It should be noted that the frequency band covered by the fifth generation communication technology further includes an N41 frequency band, the frequency band range is 2496MHZ to 2690MHZ, and since the frequency band range overlaps with the HB frequency band of the fourth generation communication technology, if the antenna frequency band of the electronic device also covers the N41 frequency band, the transmission of signals in the N41 frequency band can multiplex the signal path in the HB frequency band.
It should be further noted that, compared with the first radio frequency element, the second radio frequency element, and the third radio frequency element that are respectively connected to their corresponding antennas through their respective connecting sockets and radio frequency coaxial cables, the electronic device provided in the embodiment of the present application combines the radio frequency signals output by the first radio frequency element, the second radio frequency element, and the third radio frequency element into one path and transmits the path through a group of connecting sockets and a radio frequency coaxial cable, which can save about 10 rmb in the design of the antenna structure of a single electronic device, and therefore, when the electronic device provided in the embodiment of the present application is applied to mass production, the cost can be significantly reduced.
It should be noted that, in the production process of the electronic device, calibration and/or test needs to be performed on the antenna performance of each electronic device, and in the existing calibration and/or test process of the antenna performance of the electronic device, a test socket needs to be set for an antenna signal of each frequency band, so that as the antenna coverage frequency range of the electronic device is wider and wider, the number of test sockets needed is also more and more, and the design of the antenna structure in the electronic device is more and more complex and the cost is higher and more.
In view of this, an embodiment of the present application further provides an electronic device, as shown in fig. 5, the electronic device includes:
a circuit board 50;
the at least two antennas 60 are connected with the circuit board 50, the at least two antennas 60 are used for at least a first frequency band, a second frequency band and a third frequency band, the first frequency band covers a low-frequency band required by the book searching electronic equipment, the second frequency band covers an intermediate-frequency band required by the electronic equipment, and the third frequency band covers a high-frequency band required by the electronic equipment;
wherein the circuit board 50 includes:
a first passive radio frequency combiner, connected to each of at least two radio frequency components, wherein the at least two radio frequency components are configured to support the first frequency band, the second frequency band, and the third frequency band;
the test seat is a radio frequency test seat and is connected with the first passive radio frequency combiner;
the second passive radio frequency combiner is respectively connected with each antenna of the at least two antennas and the test seat;
wherein the test socket is used for calibrating or/and testing the radio frequency paths of the at least two radio frequency elements to the corresponding antennas.
It should be noted that, in this embodiment of the application, the first passive radio frequency combiner has a plurality of first input terminals and a first output terminal, the plurality of first input terminals are connected to the at least two radio frequency components, and the first output terminal is connected to the test socket, and is configured to output at least one of the multiple radio frequency signals output by the at least two radio frequency components to the test socket, and divide the radio frequency signal output by the test socket into multiple radio frequency signals to output to the at least two radio frequency components; the second passive radio frequency combiner comprises a second input end and a plurality of second output ends, the first input end is connected with the test seat, the second output ends are respectively connected with the at least two antennas, and the second passive radio frequency combiner is used for combining the multi-path radio frequency signals output by the at least two antennas into one path of radio frequency signals and outputting the radio frequency signals to the test seat and dividing the radio frequency signals output by the test seat into multi-path radio frequency signals and outputting the multi-path radio frequency signals to the at least two antennas.
In operation, the electronic device provided in the embodiment of the present application combines the rf signals of multiple frequency bands output by at least two rf components into one rf signal by using the first passive rf combiner, transmits the one rf signal to the test socket, transmits the one rf signal to the second passive rf combiner through the test socket, divides the one rf signal into multiple rf signals by using the second passive rf combiner, and outputs the multiple rf signals to the at least two antennas, or the second passive radio frequency combiner is firstly used for combining the radio frequency signals of a plurality of frequency bands output by at least two antennas into one radio frequency signal and transmitting the radio frequency signal to the test seat, then the radio frequency signal is transmitted to the first passive radio frequency combiner in a unified mode through the test seat, and finally the first passive radio frequency combiner is used for dividing one radio frequency signal into a plurality of radio frequency signals and outputting the radio frequency signals to at least two radio frequency elements.
Therefore, in the electronic device provided in the embodiment of the present application, the test socket is disposed between the first passive radio frequency combiner and the second passive radio frequency combiner, and only one radio frequency signal is present between the first passive radio frequency combiner and the second passive radio frequency combiner, so that the electronic device provided in the embodiment of the present application can calibrate and/or test the radio frequency signals of the full frequency band required by the electronic device by using one test socket, thereby greatly reducing the number of test sockets in the electronic device, simplifying the structural design of the antenna in the electronic device, saving space, and reducing cost.
The electronic device provided by the embodiment of the application is described below with reference to a specific application scenario.
In an embodiment of the present application, the electronic device is an electronic device that supports at least a fourth-generation communication technology, and in this embodiment, a frequency range of the first frequency band is 690MHZ to 960MHZ, a frequency range of the second frequency band is 1710MHZ to 2170MHZ, and a frequency range of the third frequency band is 2300MHZ to 2690 MHZ.
On the basis of the foregoing embodiments, in an embodiment of the present application, the at least two antennas include a first antenna and a second antenna, the first antenna is configured to support the first frequency band, the second antenna is configured to support the second frequency band and the third frequency band, that is, the first antenna is configured to support signals in an LB frequency band, and the second antenna is configured to support signals in MB and HB frequency bands. In another embodiment of the present application, the first antenna is configured to support the first frequency band and the second frequency band, and the second antenna is configured to support the third frequency band; in another embodiment of the present application, the at least two antennas include a first antenna, a second antenna, and a third antenna, where the first antenna is configured to support the first frequency band, the second antenna is configured to support the second frequency band, and the third antenna is configured to support the third frequency band, which is not limited in this application, as the case may be.
The electronic device provided in the embodiment of the present application is described below by taking, as an example, that the at least two antennas include a first antenna and a second antenna, where the first antenna supports the first frequency band, and the second antenna supports the second frequency band and the third frequency band.
As shown in fig. 5, in the embodiment of the present application, the first circuit board includes:
at least two radio frequency elements including a first radio frequency element and a second radio frequency element, the first radio frequency element configured to support the first frequency band, the second radio frequency element configured to support the second frequency band and the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends respectively correspond to the first frequency band, the second frequency band and the third frequency band to transmit signals of the first frequency band, the second frequency band and the third frequency band, and the first output end is connected with the test seat and is used for obtaining at least one path of radio frequency signals in the multi-path radio frequency signals output by the first radio frequency element and the second radio frequency element and outputting the radio frequency signals to the test seat and outputting the radio frequency signals obtained from the test seat to the corresponding radio frequency element so as to realize signal transmission between the test seat and the first radio frequency element and between the test seat and the second radio frequency element;
and the second passive radio frequency combiner comprises a second input end and two second output ends, the second input end is connected with the first connecting seat, the two second output ends are respectively connected with the first antenna and the second antenna, and the second passive radio frequency combiner is used for outputting at least one path of radio frequency signal in the multi-path radio frequency signals output by the first antenna and the second antenna to the test seat and outputting the radio frequency signal obtained from the test seat to the corresponding antenna so as to realize signal transmission between the test seat and the first antenna and between the test seat and the second antenna respectively.
It should be noted that, in the embodiment of the present application, the configuration manners of the first frequency band, the second frequency band, and the third frequency band in the first radio frequency element and the second radio frequency element and the configuration manners thereof in the first antenna and the second antenna may be the same or different, depending on the circumstances.
Specifically, in an embodiment of the present application, the first frequency band, the second frequency band, and the third frequency band are configured in the first radio frequency element and the second radio frequency element in the same manner as the first antenna and the second antenna in the same manner, for example, the first radio frequency element is configured to support the first frequency band, the second radio frequency element is configured to support the second frequency band and the third frequency band, and correspondingly, the first antenna is configured to support the first frequency band, and the second antenna is configured to support the second frequency band and the third frequency band.
In another embodiment of the present application, the first frequency band, the second frequency band and the third frequency band are configured in different manners in the first radio frequency element and the second radio frequency element and in different manners in the first antenna and the second antenna, for example, the first radio frequency element is configured to support the first frequency band, the second radio frequency element is configured to support the second frequency band and the third frequency band, and correspondingly, the first antenna is configured to support the first frequency band and the third frequency band, and the second antenna is configured to support the second frequency band.
In other embodiments of the present application, the first frequency band, the second frequency band, and the third frequency band may also adopt other configuration manners, which is not limited in the present application and is determined as the case may be.
It should be further noted that, compared with the first radio frequency element and the second radio frequency element which are respectively connected with the corresponding antennas through respective test seats, and radio frequency signals of different frequency bands are separately tested, the electronic device provided in the embodiment of the present application combines the radio frequency signals output by the first radio frequency element and the second radio frequency element into one path and then performs a unified test through one test seat, which can save about 3 rmb in the design of the antenna structure of a single electronic device, and therefore, when the electronic device provided in the embodiment of the present application is applied to mass production, the cost can be significantly reduced.
In another embodiment of the present application, the electronic device at least supports an electronic device of a fifth generation communication technology, a frequency range of the first frequency band is 690MHZ to 960MHZ, a frequency range of the second frequency band is 1710MHZ to 2690MHZ, and a frequency range of the third frequency band is greater than 3000 MHZ.
On the basis of the foregoing embodiment, in an embodiment of the present application, the at least two antennas include a first antenna, a second antenna, and a third antenna, where the first antenna is configured to support the first frequency band, the second antenna is configured to support the second frequency band, and the third antenna is configured to support the third frequency band, so as to implement full-band coverage in a fifth-generation mobile communication technology. Specifically, in an embodiment of the present application, the first antenna is configured to support signals in an LB frequency band, the second antenna is configured to support signals in MB and HB frequency bands, and the third antenna is configured to support signals in at least one of N77, N78, and N79.
It should be noted that the frequency band range of the LB frequency band is 690MHZ to 960MHZ, the frequency band range of the MB frequency band is 1710MHZ to 2170MHZ, the frequency band range of the HB frequency band is 2300MHZ to 2690MHZ, the frequency band range of the N77 frequency band is 3300MHZ to 4200MHZ, the frequency band range of the N78 frequency band is 3300MHZ to 3800MHZ, and the frequency band range of the N79 frequency band is 4400MHZ to 5000 MHZ.
Optionally, in an embodiment of the present application, as shown in fig. 4, the first circuit board includes:
at least two radio frequency components including a first radio frequency component, a second radio frequency component, and a third radio frequency component, the first radio frequency component configured to support the first frequency band, the second radio frequency component configured to support the second frequency band, and the third radio frequency component configured to support the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends are respectively connected with the first radio frequency element, the second radio frequency element and the third radio frequency element, the first output end is connected with the test socket and is used for obtaining at least one path of radio frequency signal in the multiple paths of radio frequency signals output by the first radio frequency element, the second radio frequency element and the third radio frequency element and outputting the radio frequency signal to the test socket, and the radio frequency signal obtained from the test socket is output to the corresponding radio frequency element, so that signal transmission between the test socket and the first radio frequency element, the second radio frequency element and the third radio frequency element is realized;
and the second passive radio frequency combiner comprises a second input end and three second output ends, the second input end is connected with the first connecting seat, and the three second output ends are respectively connected with the first antenna, the second antenna and the third antenna and are used for outputting at least one path of radio frequency signal in the multi-path radio frequency signals output by the first antenna, the second antenna and the third antenna to the test seat and outputting the radio frequency signal obtained from the test seat to the corresponding antenna so as to realize the signal transmission between the test seat and the first antenna, the second antenna and the third antenna respectively.
It should be noted that the frequency band covered by the fifth generation communication technology further includes an N41 frequency band, the frequency band range is 2496MHZ to 2690MHZ, and since the frequency band range overlaps with the HB frequency band of the fourth generation communication technology, if the antenna frequency band of the electronic device also covers the N41 frequency band, the transmission of signals in the N41 frequency band can multiplex the signal path in the HB frequency band.
It should be further noted that, compared with the case that the first rf component, the second rf component, and the third rf component are respectively connected to their corresponding antennas through their respective test sockets to perform separate tests, the electronic device provided in the embodiment of the present application combines the rf signals output by the first rf component, the second rf component, and the third rf component into one path and then performs the test through one test socket, so that about 3 rmb can be saved in the design of the antenna structure of a single electronic device, and therefore, when the electronic device provided in the embodiment of the present application is applied to mass production, the cost can be significantly reduced.
In the description, each part is described in a progressive manner, each part is emphasized to be different from other parts, and the same and similar parts among the parts are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (10)
1. An electronic device, the electronic device comprising
A first circuit board;
the second circuit board is connected with the first circuit board through a radio frequency coaxial cable, and the radio frequency coaxial cable supports the transmission of radio frequency signals of at least three frequency bands; the at least three frequency bands comprise a first frequency band, a second frequency band and a third frequency band; the first frequency band covers a low-frequency band required by the electronic equipment; the second frequency band covers an intermediate frequency band required by the electronic equipment; the third frequency band covers a high-frequency band required by the electronic equipment;
the at least two antennas are connected with the second circuit board and used for supporting the first frequency band, the second frequency band and the third frequency band.
2. The electronic device of claim 1, the first circuit board comprising: a first connector; the second circuit board includes a second connector;
one end of the radio frequency coaxial cable is connected with the first connector, and the other end of the radio frequency coaxial cable is connected with the second connector.
3. The electronic device of claim 2, the first circuit board further comprising:
at least two radio frequency elements for supporting the first frequency band, the second frequency band, and the third frequency band;
the first passive radio frequency combiner is respectively connected with each radio frequency element of the at least two radio frequency elements and the first connector and is used for obtaining at least one radio frequency signal of the multiple radio frequency signals output by the at least two radio frequency elements and outputting the radio frequency signal to the first connector; and outputting the radio frequency signal obtained by the first connector to a corresponding radio frequency element.
4. The electronic device of claim 3, the second circuit board further comprising:
the second passive radio frequency combiner is respectively connected with each antenna of the at least two antennas and the second connector and is used for obtaining at least one path of radio frequency signal in the radio frequency signals output by the at least two antennas and outputting the radio frequency signal to the second connector; and
and outputting the radio frequency signals obtained from the second connector to the corresponding antenna.
5. The electronic device of claim 4, the first circuit board further comprising:
the signal testing seat is arranged between the first passive radio frequency combiner and the first connector and is used for calibrating or/and testing radio frequency paths of the at least two radio frequency elements to the corresponding antennas.
6. The electronic device according to any of claims 1-5, wherein the electronic device is an electronic device supporting at least a fourth generation communication technology, the frequency range of the first frequency band is 690MHZ to 960MHZ, the frequency range of the second frequency band is 1710MHZ to 2170MHZ, and the frequency range of the third frequency band is 2300MHZ to 2690 MHZ;
the at least two antennas include a first antenna and a second antenna, the first antenna is configured to support the first frequency band, and the second antenna is configured to support the second frequency band and the third frequency band.
7. The electronic device of claim 6, the first circuit board comprising:
at least two radio frequency elements including a first radio frequency element and a second radio frequency element, the first radio frequency element configured to support the first frequency band, the second radio frequency element configured to support the second frequency band and the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends transmit signals of the first frequency band, the second frequency band and the third frequency band, and the first output end is connected with the first connecting seat;
and the second passive radio frequency combiner comprises a second input end and two second output ends, the second input end is connected with the first connecting seat, and the two second output ends are respectively connected with the first antenna and the second antenna.
8. The electronic device according to any of claims 1-5, wherein the electronic device is an electronic device supporting at least a fifth generation communication technology, the frequency range of the first frequency band is 690MHZ to 960MHZ, the frequency range of the second frequency band is 1710MHZ to 2690MHZ, and the frequency range of the third frequency band is greater than 3000 MHZ;
the at least two antennas include a first antenna, a second antenna and a third antenna, the first antenna is used for supporting the first frequency band, the second antenna is used for supporting the second frequency band, and the third antenna is used for supporting the third frequency band.
9. The electronic device of claim 8, the first circuit board comprising:
at least two radio frequency components including a first radio frequency component, a second radio frequency component, and a third radio frequency component, the first radio frequency component configured to support the first frequency band, the second radio frequency component configured to support the second frequency band, and the third radio frequency component configured to support the third frequency band;
the first passive radio frequency combiner comprises three first input ends and a first output end, the three first input ends are respectively connected with the first radio frequency element, the second radio frequency element and the third radio frequency element, and the first output end is connected with the first connecting seat;
the second passive radio frequency combiner comprises a second input end and three second output ends, the second input end is connected with the first connecting seat, and the two second output ends are respectively connected with the first antenna, the second antenna and the third antenna.
10. An electronic device, the electronic device comprising:
circuit board
The at least two antennas are connected with the circuit board and used for supporting a first frequency band, a second frequency band and a third frequency band; the first frequency band covers a low-frequency band required by the electronic equipment; the second frequency band covers an intermediate frequency band required by the electronic equipment; the third frequency band covers a high-frequency band required by the electronic equipment;
wherein, the circuit board includes:
a first passive radio frequency combiner, connected to each of at least two radio frequency components, wherein the at least two radio frequency components are configured to support the first frequency band, the second frequency band, and the third frequency band;
the test seat is connected with the first passive radio frequency combiner;
the second passive radio frequency combiner is respectively connected with each antenna of the at least two antennas and the test seat;
wherein the test socket is used for calibrating or/and testing the radio frequency paths of the at least two radio frequency elements to the corresponding antennas.
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| CN202010576532.5A CN111756897A (en) | 2020-06-22 | 2020-06-22 | Electronic equipment |
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| CN202010576532.5A CN111756897A (en) | 2020-06-22 | 2020-06-22 | Electronic equipment |
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