CN111883905A - Antenna module and electronic equipment - Google Patents
Antenna module and electronic equipment Download PDFInfo
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- CN111883905A CN111883905A CN202010753827.5A CN202010753827A CN111883905A CN 111883905 A CN111883905 A CN 111883905A CN 202010753827 A CN202010753827 A CN 202010753827A CN 111883905 A CN111883905 A CN 111883905A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/28—Combinations of substantially independent non-interacting antenna units or systems
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/20—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
- H01Q5/28—Arrangements for establishing polarisation or beam width over two or more different wavebands
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
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- Computer Networks & Wireless Communication (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The application discloses antenna module and electronic equipment belongs to antenna technical field. The antenna module includes: a first antenna for radiating a signal of a first frequency band; the second antenna is used for radiating signals of a second frequency band, and the second frequency band is larger than the first frequency band; at least one group of wave-transmitting structures are arranged on the radiating body of the first antenna; the radiator of the second antenna is arranged opposite to the at least one group of wave-transparent structures; at least one group of wave-transparent structures is positioned in the radiation direction of the signals of the second frequency band. This application is through setting up the respective irradiator of first antenna and second antenna relatively to realize the seeing through to the second antenna radiation through at least a set of wave-transparent structure on the irradiator of first antenna, can set up first antenna and second antenna stack, reduced the inner space of the electronic equipment that the antenna occupy, improved the utilization ratio of the inner space of electronic equipment.
Description
Technical Field
The present application relates to the field of antenna technology, and in particular, to an antenna module and an electronic device.
Background
With the rapid development of the antenna technology field, the types and the number of antennas arranged in the electronic equipment are more and more, and the electronic equipment receives and transmits data through the antennas arranged by the electronic equipment, so that data interaction is realized.
At present, as electronic devices are increasingly miniaturized and convenient, for one electronic device, different antennas need to be designed in a limited area, and the radiation capability of the antenna needs to be ensured. With the development of communication technology, an antenna providing communication of the fifth generation communication technology (5G) is also provided in an electronic device, for example, different antennas such as a millimeter wave antenna and a Sub6GHz antenna are also generally designed in an electronic device, and these antennas can be provided in a plurality of electronic devices by using MIMO (Multiple-Input Multiple-Output) technology. The antennas are generally arranged on two sides of a metal ground plate in an arrangement mode, and coexistence between a millimeter wave antenna and a Sub6GHz antenna is achieved.
For the coexistence scheme that is arranged inside the electronic device in the form of arrangement, the internal space of the electronic device is more crowded and the utilization rate of the internal space is low because more internal space of the electronic device needs to be occupied.
Disclosure of Invention
The embodiment of the application provides an antenna module and electronic equipment, and the utilization rate of the inner space of the electronic equipment can be improved. The technical scheme is as follows:
in one aspect, an embodiment of the present application provides an antenna module, where the antenna module includes:
a first antenna for radiating a signal of a first frequency band;
a second antenna for radiating a signal of a second frequency band, the second frequency band being greater than the first frequency band;
at least one group of wave-transmitting structures are arranged on the radiating body of the first antenna;
the radiator of the second antenna is arranged opposite to the at least one group of wave-transparent structures; the at least one group of wave-transparent structures is positioned in the radiation direction of the signals of the second frequency band.
In another aspect, an embodiment of the present application provides an electronic device, which includes at least one antenna module according to the above aspect.
The beneficial effects brought by the technical scheme provided by the embodiment of the application at least comprise:
the antenna module is characterized in that at least one group of wave-transparent structures are arranged on a radiating body of a first antenna of the antenna module; the radiating body of the second antenna is arranged corresponding to the at least one group of wave-transparent structures, when the second antenna radiates the signal of the second frequency band, the signal of the second frequency band is transmitted in the radiation direction of the signal of the second frequency band, and the at least one group of wave-transparent structures can be penetrated through, so that the radiating body of the first antenna does not influence the signal radiated by the radiating body of the second antenna, namely, the radiating bodies of the first antenna and the second antenna are oppositely arranged, and the radiation of the second antenna is penetrated through the radiating body of the first antenna through the at least one group of wave-transparent structures, so that the first antenna and the second antenna can be arranged in a superposed manner, the internal space of the electronic equipment occupied by the antennas is reduced, and the utilization rate of the internal space of the electronic equipment is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic view of an application scenario of an electronic device for transmitting data according to an exemplary embodiment of the present application;
fig. 2 is a schematic structural diagram of a millimeter wave antenna and a Sub6GHz antenna coexisting in an electronic device according to an exemplary embodiment of the present application;
fig. 3 is a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application;
fig. 4 is a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application;
fig. 5 to 6 are schematic structural diagrams of several radiators related to fig. 4 according to an exemplary embodiment of the present application;
fig. 7 is a schematic diagram illustrating a structure of a radiator of the first antenna according to an exemplary embodiment of the present application;
FIG. 8 is a schematic diagram of a first frequency selective surface element of FIG. 4 in accordance with an exemplary embodiment of the present application;
fig. 9 is a bottom view of a first antenna radiator of fig. 4 in accordance with an exemplary embodiment of the present application;
fig. 10 is a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application, referring to fig. 4;
fig. 11 is a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application, referring to fig. 10;
fig. 12 is a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application, referring to fig. 4;
fig. 13 is a schematic structural diagram of an electronic device according to an exemplary embodiment of the present application;
fig. 14 is a schematic structural diagram of an electronic device related to fig. 13 according to an exemplary embodiment of the present application.
Detailed Description
Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the present application, as detailed in the appended claims.
The scheme provided by the application can be used in a terminal used in daily life, and in a real scene of multi-band application when an antenna in the terminal is designed, for convenience of understanding, some terms and application scenes related to the embodiment of the application are first briefly introduced below.
MIMO technology: the method is a technology for performing space diversity by using a plurality of transmitting antennas and receiving antennas at a transmitting end and a receiving end respectively, adopts a discrete multi-antenna, and can decompose a communication link into a plurality of parallel sub-channels, thereby improving the capacity of transmitting or receiving signals.
Transmission coefficient: the transmitted electromagnetic wave voltage is divided by the incident electromagnetic wave voltage.
Millimeter Wave (Millimer Wave) electromagnetic waves with a wavelength of 1-10 mm, or electromagnetic waves with a frequency range of 26.5-300 GHz, can be called Millimeter waves.
In daily life, people are increasingly unable to use electronic equipment, for example, people can use the electronic equipment to work, study, entertain and the like. The user may transmit various data through an antenna in the electronic device, for example, the user may send information such as a picture and a video taken by the user to other electronic devices, or the user may perform a voice call, a video call, and the like with other users through the electronic device to transmit voice data or video data.
Referring to fig. 1, a schematic view of an application scenario of an electronic device for transmitting data according to an exemplary embodiment of the present application is shown. As shown in fig. 1, a number of electronic devices 110 are included.
Alternatively, the electronic device 110 is a terminal to which an antenna designed to transmit signals may be mounted. For example, the electronic device may be a mobile phone, a tablet computer, an e-book reader, smart glasses, a smart watch, an MP3 player (Moving Picture Experts Group Audio Layer III, motion Picture Experts Group Audio Layer IV, motion Picture Experts Group Audio Layer 4), an MP4 player, a notebook computer, a laptop computer, a desktop computer, and the like.
In the environment shown in fig. 1, the electronic devices need to operate in various data transmission scenarios, and optionally, data may be transmitted between the electronic devices through a communication network, which may be a wired network or a wireless network. Optionally, the wireless or wired network uses standard communication techniques and/or protocols. The Network is typically the Internet, but may be any Network including, but not limited to, a Local Area Network (LAN), a Metropolitan Area Network (MAN), a Wide Area Network (WAN), a mobile, wireline or wireless Network, a private Network, or any combination of virtual private networks. In some embodiments, data exchanged over a network is represented using techniques and/or formats including Hypertext Mark-up Language (HTML), Extensible markup Language (XML), and the like. All or some of the links may also be encrypted using conventional encryption techniques such as Secure Socket Layer (SSL), Transport Layer Security (TLS), Virtual Private Network (VPN), Internet protocol Security (IPsec). In other embodiments, custom and/or dedicated data communication techniques may also be used in place of, or in addition to, the data communication techniques described above.
In order to adapt to data transmission in various frequency bands, an antenna designed in the electronic device can change its own working state accordingly, so as to work in the corresponding frequency band. In a mobile phone, in general, an electronic device may use a metal middle frame inside itself as an antenna, and a gap is formed on the metal middle frame, so as to form a plurality of antennas, and transmit data using the plurality of antennas (which may also be regarded as a MIMO antenna).
Please refer to fig. 2, which illustrates a schematic structural diagram of a millimeter wave antenna and a Sub6GHz antenna coexisting in an electronic device according to an exemplary embodiment of the present application. As shown in fig. 2, the MIMO antenna 201 and the millimeter wave antenna 202 of the electronic device share the same metal ground plate 203, and the MIMO antenna 201 and the millimeter wave antenna 202 are respectively arranged on the same long side of the metal ground plate 203, so that the electronic device with the antenna structure can cover a Sub6GHz band and a millimeter wave band of a 5G portion, and coexistence between the millimeter wave antenna and the Sub6GHz antenna is achieved.
For the solution shown in fig. 2, the antennas are designed on the same long side of the metal ground plate 203 in an arrangement manner, and finally, in combination with the internal support of the electronic device, the antennas that coexist are designed on the support, and this arrangement manner may cause the internal space of the electronic device to be crowded, and reduce the utilization rate of the internal space of the electronic device.
In order to improve the radiation effect of the antenna and increase the utilization rate of the internal space of the electronic equipment, the application provides a solution, which can adjust the position between the millimeter wave antenna and the Sub6GHz antenna inside the electronic equipment, and improve the utilization rate of the internal space of the electronic equipment under the condition of realizing the coexistence of the millimeter wave antenna and the Sub6GHz antenna.
Please refer to fig. 3, which illustrates a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application. The antenna module provided by the embodiment of the application can be applied to the electronic device in the application scenario shown in fig. 1. As shown in fig. 3, the antenna module includes: a first antenna 301 and a second antenna 302;
the first antenna 301 is configured to radiate a signal in a first frequency band, and the second antenna 302 is configured to radiate a signal in a second frequency band, where the second frequency band is greater than the first frequency band. That is, the first antenna 301 and the second antenna 302 are used to radiate signals of different frequency bands, respectively, and the frequency band of the electromagnetic wave radiated by the second antenna 302 is larger than that of the electromagnetic wave radiated by the first antenna 301.
At least one group of wave-transparent structures is arranged on the radiating body of the first antenna 301. As shown in fig. 3, the first antenna 301 further includes a first radiator 301a, and at least one set of wave-transparent structures 303 is disposed on the first radiator 301 a. Alternatively, the radiator of the first antenna 301 is used to radiate electromagnetic waves outwards, i.e., functions to transmit signals of the first antenna. The radiator of the first antenna 301 may be designed as a rod structure, a tube structure, a sheet structure, or the like, and the first antenna radiates electromagnetic waves to the outside through its own radiator.
The radiator of the second antenna 302 is disposed opposite to the at least one group of wave-transparent structures on the radiator of the first antenna 301. The radiator of the second antenna 302 is also used for radiating electromagnetic waves outwards, i.e. playing a role in transmitting signals of the second antenna. The radiator of the second antenna 302 may also be designed as a rod structure, a tubular structure, a sheet structure, or the like, and the second antenna radiates electromagnetic waves through its own radiator.
As shown in fig. 3, in the embodiment of the present application, the radiator of the second antenna 302 is disposed corresponding to at least one set of wave-transparent structures 303 on the radiator of the first antenna 301, where the at least one set of wave-transparent structures 303 is located in a radiation direction in which the radiator of the second antenna 302 radiates signals in the second frequency band. Or, in a radiation direction in which a radiator of the second antenna 302 radiates a signal of the second frequency band, at least one corresponding group of wave-transparent structures 303 is disposed on the radiator corresponding to the first antenna 301.
In this embodiment of the application, at least one group of wave-transparent structures 303 is disposed on a radiator of the first antenna 301, and under the condition that a current on the radiator of the first antenna 301 is not destroyed by the at least one group of wave-transparent structures 303, the radiator of the second antenna 302 at a corresponding position of the at least one group of wave-transparent structures 303 can be penetrated by a signal in the second frequency band when radiating the signal in the second frequency band, and the radiator of the second antenna 302 can also not be affected to radiate the signal in the second frequency band, so that coexistence between the first antenna 301 and the second antenna 302 operating in different frequency bands is achieved.
In summary, the present application provides at least one group of wave-transparent structures on a radiator of a first antenna of an antenna module; the radiating body of the second antenna is arranged corresponding to the at least one group of wave-transparent structures, when the second antenna radiates the signal of the second frequency band, the signal of the second frequency band is transmitted in the radiation direction of the signal of the second frequency band, and the at least one group of wave-transparent structures can be penetrated through, so that the radiating body of the first antenna does not influence the signal radiated by the radiating body of the second antenna, namely, the radiating bodies of the first antenna and the second antenna are oppositely arranged, and the radiation of the second antenna is penetrated through the radiating body of the first antenna through the at least one group of wave-transparent structures, so that the first antenna and the second antenna can be arranged in a superposed manner, the internal space of the electronic equipment occupied by the plurality of antennas is reduced, and the utilization rate of the internal space of the electronic equipment is improved.
In a possible implementation manner, in order to improve the improvement effect of the electromagnetic wave radiated by the radiator of the second antenna and achieve the effects of changing the beam, the gain, and the like of the second antenna, the at least one set of wave-transparent structures disposed on the radiator of the first antenna may be at least one set of Frequency Selective Surface (FSS) structures, so that the electromagnetic wave radiated by the radiator of the second antenna can penetrate through the FSS structures. The scheme shown in fig. 3 is described below by taking the FSS structure as an example.
Please refer to fig. 4, which illustrates a schematic structural diagram of an antenna module according to an exemplary embodiment of the present application. The antenna module provided by the embodiment of the application can be applied to the electronic device in the application scenario shown in fig. 1. As shown in fig. 4, the antenna module includes: a first antenna 401 and a second antenna 402;
the first antenna 401 is configured to radiate a signal in a first frequency band, and the second antenna 402 is configured to radiate a signal in a second frequency band, where the second frequency band is greater than the first frequency band. That is, the first antenna 401 and the second antenna 402 are used to radiate signals of different frequency bands, respectively, and the frequency band of the electromagnetic wave radiated by the second antenna 402 is larger than that of the electromagnetic wave radiated by the first antenna 401. Alternatively, in the embodiment of the present application, the frequency band of the electromagnetic wave radiated by the second antenna 402 may be at least 4 times or more the frequency band of the electromagnetic wave radiated by the first antenna 401. That is to say, in the antenna module, if one of any two radiation frequency bands is more than 4 times of the other frequency band, then the antennas radiating the two frequency bands can be respectively used as the first antenna and the second antenna in the present application.
At least one group of wave-transparent structures is arranged on the radiator of the first antenna 401. As shown in fig. 4, the first antenna 401 further includes a first radiator 401a, and at least one set of wave-transparent structures 403 is disposed on the first radiator 401 a. One end of the first radiator 401a is further connected with a grounding body and a signal feeder, wherein a feed point is formed at a connection position between the grounding body and the metal grounding plate, and a signal feed point is formed at a connection position between the signal feeder and the feed source. A signal input from the feed point enters the first antenna 401 and is radiated by a radiator of the first antenna 401. That is, the radiator of the first antenna 401 is used to radiate electromagnetic waves to the outside, and plays a role of transmitting a signal of the first antenna. Alternatively, the radiator of the first antenna 401 may be designed as a rod structure, a tubular structure, a sheet structure, or the like, and the first antenna 401 radiates electromagnetic waves to the outside through its own radiator.
The radiator of the second antenna 402 is arranged opposite to the at least one group of wave-transparent structures on the radiator of the first antenna 401. Optionally, the second antenna 402 may also be an antenna of another antenna module, for example, in this embodiment, the antenna module includes an antenna sub-module, and an antenna in the antenna sub-module may serve as the second antenna. Optionally, the antenna sub-module may also input a signal to its own antenna through its own signal feed source, so that the second antenna also radiates an electromagnetic wave outwards. Here, the radiator of the second antenna 402 may also be designed as a rod structure, a tube structure, a sheet structure, or the like with reference to the form of the first antenna, and the second antenna radiates electromagnetic waves through its own radiator.
Optionally, the radiator of the second antenna 402 further includes a first radiator and a second radiator; the second frequency band further comprises a first frequency sub-band and a second frequency sub-band; the first radiator is used for radiating signals of the first sub-band, and the second radiator is used for radiating signals of the second sub-band. The at least one group of wave-transparent structures disposed on the radiator of the first antenna 401 are respectively located in the radiation direction of the signal in the first sub-band and the radiation direction of the signal in the second sub-band.
For example, as shown in fig. 4, the radiator of the second antenna 402 further includes a first radiator 402a and a second radiator 402 b; the two radiators can share the same signal feed source and radiate signals through respective radiation ports, and the signal feed sources connected with the radiators can be used respectively to radiate the signals through the respective radiation ports. Please refer to fig. 5 to 6, which are schematic diagrams illustrating structures of radiators of several second antennas related to fig. 4 according to an exemplary embodiment of the present application. As shown in fig. 5, the radiator 500 includes a first radiator 501 and a second radiator 502; the first radiator 501 includes a first port 501a and a second port 501b, and the second radiator 502 includes a third port 502a and a fourth port 502 b; the first port 501a of the first radiator is connected to the third port 502a of the second radiator, and the first port 502a of the first radiator and the third port 502a of the second radiator are connected to the same signal feed 505, where the signal feed 505 is used to input signals to the first radiator 501 and the second radiator 502.
As shown in fig. 6, the radiator 600 includes a first radiator 601 and a second radiator 602; the first radiator 601 includes a first port 601a and a second port 601b, and the second radiator 602 includes a third port 602a and a fourth port 602 b; the first port 601a of the first radiator and the third port 602a of the second radiator are connected to the same signal feed 603 through wires, respectively, where the signal feed 603 is used to input signals to the first radiator 601 and the second radiator 602.
Alternatively, different radiators on the second antennas of fig. 5 and 6 may radiate signals of different frequency bands. For example, in this embodiment, the first radiator on the second antenna may radiate millimeter waves in the first sub-band, and the second radiator may radiate millimeter waves in the second sub-band. Optionally, the first sub-band may be an n258 (24.25-27.5 GHz) band, and the second sub-band may be an n261 (27.5-28.35 GHz) band. Optionally, when the second antenna includes the third radiator, the third radiator may also radiate millimeter waves in other frequency bands, for example, an n260(37 to 40GHz) frequency band.
It should be noted that the radiator of the second antenna in fig. 5 to 6 may also include at least two radiators, and a structure in which at least two radiators share the same signal feed source may also be applicable to the present application, and the specific number of the radiators is not limited in the present application.
Optionally, in the above fig. 4, the second antenna 402 is an example of an antenna on the antenna sub-module, and the radiator of the second antenna in fig. 4 is an antenna with a sheet structure. In fig. 4, the antenna sub-module is placed in the space below the radiator of the first antenna, and each antenna on the module can cover millimeter waves in the frequency bands of n258, n261, n260, and the like. In this embodiment, the radiator of the second antenna 402 is disposed corresponding to the at least one set of wave-transparent structures 403 on the radiator of the first antenna 401, where the at least one set of wave-transparent structures 403 is located in a radiation direction of the radiator of the second antenna 402 radiating the signals of the second frequency band. Or, in a radiation direction in which a radiator of the second antenna 402 radiates a signal of the second frequency band, at least one corresponding group of wave-transparent structures 403 is disposed on the radiator corresponding to the first antenna 401.
Optionally, the at least one group of wave-transparent structures includes at least two wave-transparent units, a wave-transparent gap exists between each wave-transparent unit, and each wave-transparent unit and the wave-transparent gap are arranged periodically. Referring to fig. 7, a schematic diagram of a radiator of a first antenna according to an exemplary embodiment of the present application is shown, where the radiator is related to fig. 4. As shown in fig. 7, the radiator 700 of the first antenna includes a first group of wave-transparent structures 701, a second group of wave-transparent structures 702, a third group of wave-transparent structures 703, wave-transparent slits 704, and wave-transparent units 705. The first group of wave-transparent structures 701 includes at least two wave-transparent units 705, and distances of wave-transparent gaps 704 between the at least two wave-transparent units 705 in the first direction are the same. Similarly, the second group of wave-transparent structures 702 also includes at least two wave-transparent units 705, and the distance of the wave-transparent gap 704 between the at least two wave-transparent units 705 in the second direction is the same. The third group of wave-transparent structures 703 also includes at least two wave-transparent units 705, a wave-transparent gap 704 between the at least two wave-transparent units 705, and the distance between every two wave-transparent units 705 is the same from the first wave-transparent unit 705 in the second direction. The at least one group of wave-transparent structures 403 on the radiator 402 of the first antenna in fig. 4 is exemplified according to the first group of wave-transparent structures shown in fig. 7.
It should be noted that the shape of the radiator 402 of the first antenna is exemplified by a structure having a plane surface, such as a rod structure, a tubular structure, or a sheet structure, and in practical applications, the shape of the radiator 402 of the first antenna may also be an arc structure, and accordingly, an arc structure may exist. Similarly, the same at least one group of wave-transparent structures can be arranged on the cambered surface structure.
Optionally, as for the radiator of the second antenna shown in fig. 5 and fig. 6, at least one group of wave-transparent structures on the first antenna is also located in the radiation direction of the signal in the first sub-band and the radiation direction of the signal in the second sub-band, respectively.
In this embodiment, the at least one group of wave-transparent structures on the radiator 401a of the first antenna 401 in fig. 4 is at least one group of frequency selective surface structures; the at least two wave-transparent units are at least two frequency selective surface units. In fig. 4, by designing at least one set of frequency selective surface structure on the radiator 401a of the first antenna 401, when the second antenna 402 radiates the signal of the second frequency band, the antenna module makes the signal of the second frequency band penetrate through the radiator of the first antenna, so that the radiation of the signal of the second frequency band is not affected.
Optionally, in this embodiment of the application, the frequency selective surface unit is formed by at least one conductive patch, the at least one conductive patch is located in a radiation direction of a signal in the second frequency band, and a material of the at least one conductive patch is the same as a material of a radiator of the first antenna.
Referring to fig. 8, a schematic diagram of a first frequency selective surface unit according to an exemplary embodiment of the present application is shown, referring to fig. 4. As shown in fig. 8, a frequency selective surface unit 801 is disposed on a radiator 800 of the first antenna, and the frequency selective surface unit 801 includes at least one conductive patch 802, wherein after the radiator radiates electromagnetic waves, the first frequency selective surface unit 801 is penetrated by signals of the second frequency band when the radiator of the second antenna radiates the signals of the second frequency band. That is, the radiator of the second antenna radiates signals of the second frequency band continuously through the first frequency selective surface unit 801. Optionally, the shape of the loop structure is a square as an example, and in practical applications, the shape of the loop structure may also be any one of a rectangle, a triangle, a circle, and a regular polygon.
Optionally, the radiator of the first antenna further includes a current conducting region; the current conducting region is for conducting a resonant current of a first frequency band. The radiating body of the first antenna can be divided into a wave-transmitting area and a current conduction area by the wave-transmitting structure arranged on the radiating body of the first antenna, namely, the radiating body of the first antenna is divided into the wave-transmitting area by at least one group of wave-transmitting structures, the rest area can be used as the current conduction area, and when the first antenna works normally, the current conduction area can conduct the resonant current of the first frequency band.
Referring to fig. 9, a bottom view of a first antenna radiator related to fig. 4 according to an exemplary embodiment of the present application is shown. As shown in fig. 9, the first antenna radiator 900 includes a wave-transparent region 901 and a current-conducting region 902, where the wave-transparent region 901 is transparent to the electromagnetic waves radiated by the second antenna, and when the first antenna normally radiates electromagnetic waves of the first frequency band, a current shown by an arrow in fig. 9 is generated in the current-conducting region 902, so as to conduct a resonant current of the first frequency band in the first antenna radiator.
In a possible implementation manner, the antenna module may further include a first adjusting device, and a material of the first adjusting device is the same as a material of the radiator of the first antenna. The shape of the first adjusting means is the same as the shape of the frequency selective surface unit. The first adjusting means is adapted to be attached to or detached from an edge of the frequency selective surface unit to adjust a size of a slit of the frequency selective surface unit.
Please refer to fig. 10, which illustrates a schematic structural diagram of an antenna module related to fig. 4 according to an exemplary embodiment of the present application. As shown in fig. 10, the antenna module 1000 includes a first antenna 1001, and a radiator of the first antenna 1001 includes at least one set of frequency selective surface structure 1002 and a first adjusting device 1003. In the embodiment of the present application, a first adjusting device 1003 as shown in fig. 10 may be provided. The at least one group of frequency selective surface structures 1002 includes frequency selective surface units, each frequency selective surface unit includes a respective conductive patch, the shape of the first adjusting device 1002 is the same as that of the frequency selective surface unit, and the first adjusting device 1002 can be attached to or separated from the edge of the frequency selective surface unit corresponding to the first adjusting device 1002, so that the width of a gap between the frequency selective surface units is changed. As shown in fig. 10, the dotted line indicates the position after separation, and the solid line indicates the position before separation, and the size of the frequency selective surface unit in the at least one group of frequency selective surface structures 1001 can be changed by attaching or separating the first adjusting device to or from the edge of the frequency selective surface unit in the antenna module. Wherein fig. 10 only selects an example of a surface element at one frequency.
Please refer to fig. 11, which illustrates a schematic structural diagram of an antenna module related to fig. 10 according to an exemplary embodiment of the present application. As shown in fig. 11, the antenna module 1000 includes a first antenna 1001, and a radiator of the first antenna 1001 includes at least one set of frequency selective surface structure 1002 and a first adjusting device 1003. Fig. 11 is a schematic structural diagram of the first adjusting device 1003 of fig. 10 attached to the frequency selective surface unit. As can be seen from a comparison between fig. 11 and fig. 10, the size of each frequency selective surface unit of at least one group of frequency selective surface structures in the antenna module can be changed by attaching or detaching the first adjusting device to or from the edge of the frequency selective surface unit.
Optionally, in this embodiment of the present application, the first antenna in fig. 4 may be an LDS (laser direct structuring) antenna, a metal center antenna, or an FPC (flexible circuit board) antenna.
Alternatively, taking the first antenna as an FPC antenna for example, the radiator of the first antenna may be disposed on the circuit board. Please refer to fig. 12, which illustrates a schematic structural diagram of an antenna module related to fig. 4 according to an exemplary embodiment of the present application. As shown in fig. 12, the antenna module includes a circuit board 1201, a radiator 1202 of the first antenna, and at least one set of wave-transparent structures 1203 disposed on the radiator 1202 of the first antenna. In the case of the circuit board 1201, the at least one group of wave-transparent structures 1203 is on the radiator of the first antenna, which is equivalent to that the conductive patches are periodically arranged on the radiator of the first antenna.
In this embodiment, at least one set of wave-transparent structures 403 is disposed on the radiator of the first antenna 401, because the first frequency band radiated by the first antenna is a low frequency band relative to the second frequency band radiated by the second antenna, and the radiator on the FPC is a continuous metal body, the at least one set of wave-transparent structures does not damage a current path on a continuous metal surface, that is, under the condition that the at least one set of wave-transparent structures 403 does not damage a current on the radiator of the first antenna 401, the radiator of the second antenna 402 at the corresponding position can be penetrated by a signal of the second frequency band when radiating the signal of the second frequency band, and the radiator of the second antenna 402 can also be unaffected to radiate the signal of the second frequency band, so that coexistence between the first antenna 401 and the second antenna 402 operating in different frequency bands is achieved.
In summary, the present application provides at least one group of wave-transparent structures on a radiator of a first antenna of an antenna module; the radiating body of the second antenna is arranged corresponding to the at least one group of wave-transparent structures, when the second antenna radiates the signal of the second frequency band, the signal of the second frequency band is transmitted in the radiation direction of the signal of the second frequency band, and the at least one group of wave-transparent structures can be penetrated through, so that the radiating body of the first antenna does not influence the signal radiated by the radiating body of the second antenna, namely, the radiating bodies of the first antenna and the second antenna are oppositely arranged, and the radiation of the second antenna is penetrated through the radiating body of the first antenna through the at least one group of wave-transparent structures, so that the first antenna and the second antenna can be arranged in a superposed manner, the internal space of the electronic equipment occupied by the plurality of antennas is reduced, and the utilization rate of the internal space of the electronic equipment is improved.
In addition, according to the antenna, at least one group of periodic frequency selection surface structures are arranged, the first adjusting device is arranged, when the FSS structure transmits signals radiated by the second antenna, the period of the FSS structure, the width and the length of the FSS structure can be adjusted through the first adjusting device, and the capacitance and the inductance in an equivalent circuit of the second antenna are changed, so that the transmission coefficient of the FSS structure to millimeter waves is adjusted, the wave beam and the gain of the second antenna are changed, and the flexibility of antenna radiation is improved.
Referring to fig. 13, a schematic structural diagram of an electronic device according to an exemplary embodiment of the present application is shown. As shown in fig. 13, the electronic device 1300 includes a first antenna module 1301, a second antenna module 1302, a third antenna module 1303 and a fourth antenna module 1304, and a plurality of antenna modules may share a same metal ground plate 1305. The first antenna module 1301, the second antenna module 1302, the third antenna module 1303 and the fourth antenna module 1304 may all adopt the antenna module provided in fig. 3 or fig. 4.
Optionally, when the electronic device sends data such as messages and videos by using one or two antenna modules, the electronic device may enable a power amplifier electrically connected to the antenna module to operate in a corresponding frequency band, input a signal to a radiator of a first antenna in the antenna module through a signal feed in the antenna module, input a signal to a radiator of a second antenna in the antenna module through another signal feed in the antenna module, and generate a resonant frequency band with a corresponding wavelength and radiate outwards respectively by the radiator of the first antenna and the radiator of the second antenna in the antenna module. At this time, the electromagnetic wave radiated outward by the radiator of the second antenna in the antenna module can penetrate through the wave-transparent structure on the radiator of the first antenna and continue to propagate outward.
In a possible implementation manner, the electronic device further includes a metal middle frame, and a radiator of a first antenna in the antenna module is disposed on the metal middle frame; the second antenna is located inside the electronic device relative to the first antenna.
Referring to fig. 14, a schematic structural diagram of an electronic device related to fig. 13 according to an exemplary embodiment of the present application is shown. As shown in fig. 14, the electronic device 1400 further includes a metal middle frame 1401 and a metal rear case 1402. The radiator of the first antenna in the antenna module is disposed on the metal middle frame, and after the electronic device is assembled, the metal middle frame 1401 is wrapped by the metal rear shell 1402 of the electronic device. The second antenna 1403 in the antenna module is located inside the electronic device relative to the first antenna, and at least one group of wave-transparent structures is disposed on a radiator of the first antenna in a radiation direction corresponding to the second antenna. When the electronic device 1400 radiates the signal in the millimeter wave frequency band through the second antenna, the signal in the millimeter wave frequency band may radiate outward through the radiator of the first antenna disposed on the metal middle frame 1401, so as to achieve coexistence between the first antenna and the second antenna operating in different frequency bands.
In summary, the present application provides at least one group of wave-transparent structures on a radiator of a first antenna of an antenna module; the radiating body of the second antenna is arranged corresponding to the at least one group of wave-transparent structures, when the second antenna radiates the signal of the second frequency band, the signal of the second frequency band is transmitted in the radiation direction of the signal of the second frequency band, and the at least one group of wave-transparent structures can be penetrated through, so that the radiating body of the first antenna does not influence the signal radiated by the radiating body of the second antenna, namely, the radiating bodies of the first antenna and the second antenna are oppositely arranged, and the radiation of the second antenna is penetrated through the radiating body of the first antenna through the at least one group of wave-transparent structures, so that the first antenna and the second antenna can be arranged in a superposed manner, the internal space of the electronic equipment occupied by the plurality of antennas is reduced, and the utilization rate of the internal space of the electronic equipment is improved.
It should be understood that reference herein to "and/or" describing an association of case objects means that there may be three relationships, e.g., a and/or B, may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
The above-mentioned serial numbers of the embodiments of the present application are merely for description and do not represent the merits of the embodiments.
It will be understood by those skilled in the art that all or part of the steps for implementing the above embodiments may be implemented by hardware, or may be implemented by a program instructing relevant hardware, where the program may be stored in a computer-readable storage medium, and the above-mentioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.
The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.
Claims (12)
1. An antenna module, characterized in that, the antenna module includes:
a first antenna for radiating a signal of a first frequency band;
a second antenna for radiating a signal of a second frequency band, the second frequency band being greater than the first frequency band;
at least one group of wave-transmitting structures are arranged on the radiating body of the first antenna;
the radiator of the second antenna is arranged opposite to the at least one group of wave-transparent structures; the at least one group of wave-transparent structures is positioned in the radiation direction of the signals of the second frequency band.
2. The antenna module of claim 1, wherein the at least one set of wave-transparent structures comprises at least two wave-transparent units, a wave-transparent gap exists between each wave-transparent unit, and each wave-transparent unit and the wave-transparent gap are arranged periodically.
3. The antenna module of claim 1, wherein the radiator of the first antenna further comprises a current conducting region;
the current conducting area is used for conducting the resonant current of the first frequency band.
4. The antenna module of claim 1, wherein the radiator of the second antenna further comprises a first radiator and a second radiator;
the second frequency band further comprises a first frequency sub-band and a second frequency sub-band;
the first radiator is used for radiating the signals of the first sub-band, and the second radiator is used for radiating the signals of the second sub-band;
the at least one group of wave-transparent structures are respectively positioned in the radiation direction of the signals of the first sub-frequency band and the radiation direction of the signals of the second sub-frequency band.
5. The antenna module of any one of claims 2 to 4, wherein the at least one set of wave-transparent structures is a frequency selective surface structure;
the at least two wave-transparent units are at least two frequency selective surface units.
6. The antenna module of claim 5, wherein the frequency selective surface unit is formed by at least one conductive patch, the at least one conductive patch is located in a radiation direction of the signal in the second frequency band, and a material of the at least one conductive patch is the same as a material of a radiator of the first antenna.
7. The antenna module of claim 6, wherein the shape of the frequency selective surface unit is any one of a rectangle, a triangle, a circle, and a regular polygon.
8. The antenna module of claim 6, further comprising a first tuning device made of the same material as the radiator of the first antenna;
the shape of the first adjusting means is the same as the shape of the frequency selective surface unit;
the first adjusting means is adapted to be attached to or detached from an edge of the frequency selective surface unit to adjust a size of the frequency selective surface unit.
9. The antenna module of any one of claims 1 to 3, wherein the first frequency band is a sub6GHz frequency band, and the second frequency band is a millimeter wave frequency band.
10. The antenna module of claim 9, wherein the first antenna is a Laser Direct Structuring (LDS) antenna, a metal bezel antenna, or a flexible circuit board (FPC) antenna.
11. An electronic device, characterized in that the electronic device comprises at least one antenna module, wherein the antenna module is according to any one of claims 1 to 10.
12. The electronic device of claim 11, further comprising a metal bezel, wherein the radiator of the first antenna is disposed on the metal bezel;
the second antenna is located inside the electronic device relative to the first antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753827.5A CN111883905A (en) | 2020-07-30 | 2020-07-30 | Antenna module and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010753827.5A CN111883905A (en) | 2020-07-30 | 2020-07-30 | Antenna module and electronic equipment |
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| CN111883905A true CN111883905A (en) | 2020-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010753827.5A Pending CN111883905A (en) | 2020-07-30 | 2020-07-30 | Antenna module and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112531325A (en) * | 2020-12-07 | 2021-03-19 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| US11736176B1 (en) | 2022-02-28 | 2023-08-22 | Qualcomm Incorporated | Gain pattern overlap reduction |
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| CN107046183A (en) * | 2016-02-05 | 2017-08-15 | 三星电机株式会社 | Utilize the array antenna of artificial magnetic conductor |
| US20190393597A1 (en) * | 2017-03-31 | 2019-12-26 | Nec Corporation | Antenna, multiband antenna, and wireless communication device |
| WO2020119010A1 (en) * | 2018-12-10 | 2020-06-18 | Huawei Technologies Co., Ltd. | Shared ground mmwave and sub 6 ghz antenna system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107046183A (en) * | 2016-02-05 | 2017-08-15 | 三星电机株式会社 | Utilize the array antenna of artificial magnetic conductor |
| US20190393597A1 (en) * | 2017-03-31 | 2019-12-26 | Nec Corporation | Antenna, multiband antenna, and wireless communication device |
| WO2020119010A1 (en) * | 2018-12-10 | 2020-06-18 | Huawei Technologies Co., Ltd. | Shared ground mmwave and sub 6 ghz antenna system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112531325A (en) * | 2020-12-07 | 2021-03-19 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| CN112531325B (en) * | 2020-12-07 | 2022-12-09 | Oppo广东移动通信有限公司 | Antenna device and electronic apparatus |
| US11736176B1 (en) | 2022-02-28 | 2023-08-22 | Qualcomm Incorporated | Gain pattern overlap reduction |
| WO2023164355A1 (en) * | 2022-02-28 | 2023-08-31 | Qualcomm Incorporated | Gain pattern overlap reduction |
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Application publication date: 20201103 |