CN112003013B - Antenna structure and mobile terminal - Google Patents
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- CN112003013B CN112003013B CN202010879577.XA CN202010879577A CN112003013B CN 112003013 B CN112003013 B CN 112003013B CN 202010879577 A CN202010879577 A CN 202010879577A CN 112003013 B CN112003013 B CN 112003013B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
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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
- H01Q1/243—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 with built-in antennas
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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
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
- H01Q1/521—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure reducing the coupling between adjacent antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q13/00—Waveguide horns or mouths; Slot antennas; Leaky-waveguide antennas; Equivalent structures causing radiation along the transmission path of a guided wave
- H01Q13/10—Resonant slot antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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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
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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Abstract
The application discloses an antenna structure and a mobile terminal. The antenna structure is used for a mobile terminal, and the antenna structure comprises a middle frame, a camera module, a feed point, a communication module and a mainboard, wherein the camera module is arranged on the middle frame, a first gap is formed between the camera module and the mainboard, the communication module comprises a first radiation body, the camera module and the feed point form a first radiation part, the first radiation part and the first gap are coupled to generate a first resonance, and the first radiation body adjusts the first resonance generated by the first radiation part and the first gap to the working frequency band of a first antenna unit. This application antenna structure forms first radiation portion through being connected feed point and the module of making a video recording for first radiation portion produces first resonance with first gap coupling, and adjusts the working frequency channel of first antenna element through first irradiator with the first resonance that produces, makes antenna structure can cover the working frequency channel of first antenna element. Thus, the occupied space of the antenna structure in the mobile terminal is reduced.
Description
Technical Field
The present application relates to the field of communications, and in particular, to an antenna structure and a mobile terminal.
Background
The frequency bands that can be used in the fifth generation (5G) communication system are mainly a low frequency band below 6GHz (Sub-6GHz) and a high frequency band above 24 GHz. Based on the advantages of strong operability, mature technology and the like of the Sub-6GHz, the 5G antenna system of the Sub-6GHz is preferentially applied to the mobile terminal.
In a Sub-6GHz band of 5G, frequency bands supported by different operators are different, and in a mobile terminal, if a Sub-6GHz antenna system of 5G is to implement 5G communication of different operators, it is at least required to cover frequency bands such as n1(1.92GHz-2.170GHz), n41(2.496-2.690GHz), n78(3.3-3.6GHz), and n79(4.8-5 GHz). Currently, a 5G Sub-6GHz antenna system can adopt a Multiple Input Multiple Output (MIMO) technology, which is capable of improving the capacity and spectrum utilization rate of a communication system by multiples without increasing the bandwidth. On one hand, the mobile terminal needs to adopt a plurality of antennas for realizing the functions of GPS navigation, Wi-Fi and the like, and needs to support communication of Sub-6GHz frequency bands such as n1(1.92GHz-2.170GHz), n41(2.496-2.690GHz), n78(3.3-3.6GHz) and n79(4.8-5GHz) frequency bands, and the like, and also needs a plurality of antennas (one antenna corresponds to one frequency band), so that the number of the antennas of the mobile terminal is increased, and the space occupied by the antennas is in direct proportion to the number of the antennas. On the other hand, mobile terminals such as mobile phones tend to be light and thin, so that the accommodating space of the mobile terminal is limited, and it is difficult to design a MIMO antenna structure that satisfies the antenna efficiency and the isolation between antennas.
Disclosure of Invention
In view of the above, the present invention is directed to solving, at least to some extent, one of the problems in the related art. Therefore, the invention aims to provide an antenna structure and a mobile terminal.
The application provides an antenna structure for mobile terminal, mobile terminal includes the center and sets up the module of making a video recording, feed point, communication module and the mainboard of center, make a video recording the module with the mainboard is formed with first gap, communication module includes first irradiator, make a video recording the module with the feed point forms first radiation portion, first radiation portion with first gap coupling produces first resonance, first irradiator will first radiation portion with the first resonance that first gap produced adjusts to the working frequency channel of first antenna element.
In some embodiments, the middle frame is provided with a second gap and a third gap communicated with the second gap, and is respectively formed with a first metal frame and a second metal frame, a joint of the first metal frame and the second metal frame is provided with a break joint communicated with the second gap and the third gap, an opening end of the second gap far away from the break joint is grounded to form a first grounding point, an opening end of the third gap far away from the break joint is grounded to form a second grounding point, the first metal frame is connected with the first grounding point, and the second metal frame is connected with the second grounding point.
In certain embodiments, the second gap length is greater than the length of the third gap, which is greater than the length of the break.
In some embodiments, the second slot length is 7.5 millimeters, the third slot length is 5.6 millimeters, and the break is 1.2 millimeters in length.
In some embodiments, the feeding point and the first metal frame form a second radiating portion, and the second radiating portion and the first slot are coupled to generate a second resonance, where the second resonance is in an operating frequency band of the second antenna unit.
In some embodiments, the feeding point and the second metal frame form a third radiation portion, and the third radiation portion and the second slot couple a third resonance, where the third resonance is in an operating frequency band of a third antenna unit.
In some embodiments, the feeding point, the second metal frame, and the first metal frame form a fourth radiation portion, and the fourth radiation portion, the first slot, and the second slot are coupled to generate a fourth resonance, where the fourth resonance is in an operating frequency band of a fourth antenna unit.
In some embodiments, the communication module includes any one of a Wi-Fi module and a GPS module.
In some embodiments, the main plate and the metal bezel form a gap, the gap being 2 millimeters.
The application also provides a mobile terminal, which comprises the antenna structure.
In the antenna structure and the mobile terminal, the feeding point is connected with the camera module to form the first radiation part, so that the first radiation part is coupled with the first gap to generate a first resonance, and the generated first resonance is adjusted to the working frequency band of the first antenna unit through the first radiation body, so that the antenna structure can cover the working frequency band of the first antenna unit. In this way, the occupied space of the antenna structure in the mobile terminal is reduced.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a table of frequency bands for 5G NR at Sub-6 GHz;
FIG. 2 is a schematic diagram of an antenna structure according to some embodiments of the present application;
FIG. 3 is a schematic diagram of a mobile terminal of some embodiments of the present application;
FIG. 4 is a schematic view of an installation of a camera module according to some embodiments of the present application;
fig. 5 is a schematic view of the installation of the first radiator and the second radiator according to some embodiments of the present application.
Description of the main element symbols:
the mobile terminal 100, the antenna structure 10, the middle frame 11, the second slot 111, the third slot 112, the top edge 113, the side edge 114, the first metal frame 115, the second metal frame 116, the first ground point 117, the second ground point 118, the camera module 12, the feeding point 13, the communication module 14, the first radiator 141, the second radiator 142, the motherboard 15, and the first slot 16.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the terms "first", "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically defined otherwise.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
The following disclosure provides many different embodiments or examples for implementing different features of the application. In order to simplify the disclosure of the present application, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
The frequency bands available in the fifth generation (5G) communication system mainly include a low frequency band FR1 and a high frequency band FR2, where the low frequency band FR1 is 6GHz or less (Sub-6GHz, 0.45MHz to 6GHz), and the high frequency band FR2 is 24.25 to 52.6 GHz. The propagation distance of the electromagnetic wave in the space is in negative correlation with the frequency of the electromagnetic wave, that is, the lower the frequency of the electromagnetic wave is, the longer the distance the electromagnetic wave propagates in the space is, and the propagation rate of the electromagnetic wave in the space is in positive correlation with the frequency of the electromagnetic wave, that is, the lower the frequency of the electromagnetic wave is, the lower the propagation rate of the electromagnetic wave in the space is, and the Sub-6GHz has the advantages of strong operability, mature technology and the like. Currently, the 5G antenna system of Sub-6GHz will be preferentially applied to mobile terminals.
Referring to FIG. 1, the frequency band of Sub-6GHz for 5GNR is specified by the 3rd Generation Partnership Project (3 GPP). Currently, frequency bands supported by different operators are different, and an antenna system supporting Sub-6GHz of 5G in a mobile terminal needs to cover at least frequency bands of N1(1.92GHz-2.170GHz), N41(2.51-2.675GHz), N78(3.4-3.6GHz), and N79(4.8-5GHz) to realize 5G communication of different operators.
In the related art, the Sub-6GHz antenna system of 5G may adopt a Multiple Input Multiple Output (MIMO) technology, which is capable of increasing the capacity and spectrum utilization rate of a communication system by multiples without increasing the bandwidth. On one hand, the mobile terminal needs to arrange a plurality of antennas for realizing functions of GPS navigation, Wi-Fi and the like, and if the mobile terminal also needs to realize communication of Sub-6GHZ frequency bands supporting 5G NR such as N1(1.92GHz-2.170GHz), N41(2.51-2.675GHz), N78(3.4-3.6Ghz) and N79(4.8-5Ghz), the plurality of antennas are also needed, so that the number of the antennas of the mobile terminal is increased, the space occupied by the antennas in the mobile terminal is proportional to the number of the antennas, and the antennas occupy more space of the mobile terminal. On the other hand, mobile terminals such as mobile phones tend to be light and thin, so that the accommodating space of the mobile terminal is limited, and it is difficult to design a MIMO antenna structure that satisfies the antenna efficiency and the isolation between antennas.
Referring to fig. 2, in view of the above, the present application provides an antenna structure 10, where the antenna structure 10 includes a middle frame 11, and a camera module 12, a feeding point 13, a communication module and a motherboard 15 that are disposed on the middle frame 11, a first slot 16 is formed between the camera module 12 and the motherboard 15, the communication module includes a first radiator 141, the camera module 12 and the feeding point 13 form a first radiation portion, the first radiation portion and the first slot 16 are coupled to generate a first resonance, and the first radiator 141 adjusts the first resonance generated by the first radiation portion and the first slot 16 to an operating frequency band of a first antenna unit.
Referring to fig. 3, the present application further provides a mobile terminal, and the antenna structure 10 of the present application is applied to the mobile terminal 100.
In the antenna structure 10 and the mobile terminal 100 provided by the present invention, the feeding point 13 is connected to the camera module 12 to form the first radiation portion, the first radiation portion can generate the first resonance with the first slot 16, and the first resonance generated by the first radiation portion is adjusted to the working frequency band of the first antenna unit by the first radiator 141, so that the antenna structure 10 can cover the working frequency band of the first antenna unit. In this way, forming the first radiation portion by connecting the camera module 12 with the feeding point 13 reduces the occupied space of the antenna structure 10 in the mobile terminal 100.
The mobile terminal 100 may be, but is not limited to, a mobile phone, a tablet computer, a smart wearable device (smart watch, smart bracelet, smart helmet, smart glasses, etc.), a virtual reality device, or a head display device, etc. For example, the mobile terminal 100 may be a mobile phone, and the antenna structure 10 is applied to the mobile phone, and the mobile phone can implement 5G communication through the antenna structure 10.
Referring further to fig. 1, specifically, the antenna structure 10 is installed in the mobile terminal 100, and the antenna structure 10 is used for implementing 5G communication of the mobile terminal 100. The antenna structure 10 can cover communications in frequency bands of N1(1.92GHz-2.170GHz), N41(2.5-2.69GHz), N78(3.3-3.6GHz), and N79(4.8-5 GHz). The antenna structure 10 employs MIMO technology.
The antenna structure 10 includes a middle frame 11, a camera module 12, a feeding point 13, a communication module 14 and a main board 15, wherein the camera module 12, the feeding point 13, the communication module 14 and the main board 15 are respectively installed on the middle frame 11. Wherein the content of the first and second substances,
please refer to fig. 4, the camera module 12 may be a front camera module or a rear camera module, the number of the cameras of the camera module 12 may be one or more, and the specific number is not limited. For example, in some examples, the camera module 12 is a front camera module, the number of cameras of the front camera module is two, and the two cameras are arranged transversely. For another example, in some examples, the camera module 12 is a rear camera module 12, and the number of cameras of the rear camera module 12 is one. The interval sets up in order being formed with first gap 16 between module 12 and the mainboard 15 of making a video recording, and the length of first gap 16 is the length of module 12 of making a video recording, and the width of first gap 16 can be adjusted.
The communication module 14 may include, but is not limited to, a wireless internet access (Wi-Fi) module, a GPS module, a bluetooth module, or the like, for example, in this application, the communication module 14 may be a GPS module, the GPS module can support an antenna including L5, and an operating frequency band of the L5 antenna is 1176.45 ± 1.023 MHz. Of course, in other embodiments, the communication module 14 is not limited to use the L5 antenna discussed herein, and other single-frequency or dual-frequency antennas may be used according to actual needs, and are not limited in this respect.
Referring to fig. 5, the communication module 14 further includes a first radiator 141 and a second radiator 142. The first radiator 141 and the second radiator 142 are disposed at an interval, the first radiator 141 is mounted on the camera module 12, and the first radiator 141 can be mounted on the camera module 12 by welding, screwing, or the like, for example, in some examples, the first radiator 141 is mounted on the camera module 12 by screwing. The second radiator 142 is disposed near the edge of the middle frame 11, and is used for adjusting the working frequency band of the communication module 14 itself.
The main board 15 and the edge of the middle frame 11 form a gap to form a clearance area of the antenna, which can ensure the performance of the antenna, and the gap length is 2 mm. The feed point 13 is disposed on the main board 15 near one side of the camera module 12, the main board 15 includes a radio frequency feed source (not shown in the figure), the main board 15 can be connected to the feed point 13 through the radio frequency feed source, and in some examples, the feed point 13 can be a metal elastic sheet on the main board 15.
Further, the feeding point 13 and the first radiator 141 are respectively connected to the camera module 12, so that the radio frequency feed source, the feeding point 13, the camera module 12, the first slot 16 and the first radiator 141 form a first antenna unit, the first antenna unit is a Loop antenna (Loop antenna), the operating frequency band is 3.3-3.6GHz, and the mode is a quarter wavelength. The feeding point 13 and the camera module 12 form a first radiation portion of the first antenna element when connected, and the first radiation portion and the first slot 16 can generate a first resonance, where the first resonance is between 2.9 GHz and 3.5 GHz. The first radiator 141 is connected to the camera module 12 such that a current path of the first radiation portion is changed when the first radiation portion and the first slot 16 generate the first resonance, thereby tuning the first resonance generated by the first radiation portion and the first slot 16 to an operating frequency band of the first antenna element. In this way, the camera module 12 is set as the radiation portion of the first antenna unit, so that the antenna structure 10 can cover the N78 frequency band, and the first antenna unit does not need to add a radiator, thereby reducing the occupied space of the antenna structure 10 on the mobile terminal 100.
Referring to fig. 1, in some embodiments, the middle frame 11 is provided with a second gap 111 and a third gap 112 communicating with the second gap 111, and a first metal frame 115 and a second metal frame 116 are respectively formed at the second gap 111 and the third gap 112, a gap 119 is formed at a connection between the first metal frame 115 and the second metal frame 116, the opening end of the second gap 111 far from the gap 119 is grounded to form a first grounding point 117, the opening end of the third gap 112 far from the gap 119 is grounded to form a second grounding point 118, the first metal frame 115 is connected to the first grounding point 117, and the second metal frame 116 is connected to the second grounding point 118.
Specifically, the middle frame 11 may be made of a metal material such as copper, iron, aluminum, magnesium aluminum alloy, etc., and the specific material is not limited, for example, in some examples, the middle frame 11 may be made of a magnesium aluminum alloy material. The middle frame 11 includes a top edge 113, a side edge 114, a second gap 111, and a third gap 112. Wherein, the second slit 111 is opened at a side of the middle frame 11 near the top edge 113. The third slit 112 opens on the side of the middle frame 11 near the side 114. The second slit 111 is communicated with the third slit 112, the second slit 111 and the top edge 113 form a first metal frame 115, the third slit 112 and the side edge 114 form a second metal frame 116, the middle frame 11 further comprises a breaking slit 119 for separating the second metal frame 116 from the third metal frame, and the breaking slit 119 is communicated with the second slit 111 and the third slit 112. The opening end of the second slit 111 far away from the broken slit 119 is grounded to form a first grounding point 117, the opening end of the third slit 112 far away from the broken slit 119 is grounded to form a second grounding point 118, the first metal frame 115 is communicated with the first grounding point 117, and the second metal frame 116 is communicated with the second grounding point 118.
Further, the second slit 111 is substantially elongated, the third slit 112 is substantially arc-shaped, the length of the second slit 111 is greater than that of the third slit 112, the length of the third slit 112 is greater than that of the broken slit 119, and specific lengths of the second slit 111, the third slit 112, and the broken slit 119 are not limited, for example, in the present application, the length of the second slit 111 may be 7.5 mm, the length of the third slit 112 may be 5.6 mm, and the length of the broken slit 119 may be 1.2 mm. The width of the second slit 111 may be equal to the width of the third slit 112, for example, the widths of the second slit 111 and the third slit 112 are both 2 mm. Referring to fig. 4 and 5, the second gap 111, the third gap 112, and the broken gap 119 are filled with non-metallic solid materials such as plastics, glass, ceramics, and composite materials, so that the structural strength of the second gap 111, the third gap 112, and the broken gap 119 is improved, the performance of the antenna structure 10 is ensured to be normal, the mobile terminal 100 is made to be beautiful, and the user experience is enhanced.
In some embodiments, the feeding point 13 and the first metal frame 115 form a second radiating portion, and the second radiating portion and the first slot 16 are coupled to generate a second resonance, where the second resonance is in the operating frequency band of the second antenna element.
Specifically, the feeding point is connected to the first metal frame 115, so that the radio frequency feed, the feeding point 13, the first metal frame 115, the first grounding point 117, the second slot 111, and the second antenna unit are formed, an operating frequency band of the second antenna unit is a (4.8GHz-5GHz) frequency band, a mode of the second antenna unit is a quarter wavelength, wherein the feeding point 13 is connected to the first metal frame 115 to form a second radiation portion, the second radiation portion is coupled to the second slot 111 to generate a second resonance, and the second resonance is within the operating frequency band of the second antenna unit, so that, by setting the first metal frame 115 and the second slot 111, etc., when the feeding point 13 is electrically connected to the first metal frame 115, the antenna structure 10 can cover an N79 frequency band. In addition, because there is the interval between first metal frame 115 and the module 12 of making a video recording, can satisfy the mutual isolation of first antenna element and second antenna element to reduced first antenna element and second antenna element mutual interference, guaranteed the normal communication of first antenna element and second antenna element.
In some embodiments, the feeding point 13 and the second metal frame 116 form a third radiation portion, and the third radiation portion and the second slot 111 couple a third resonance, where the third resonance is in an operating frequency band of the third antenna element.
Specifically, the feeding point 13 is further connected to the second metal frame 116, so that the radio frequency feed, the feeding point, the second metal frame 116, the second slot 111, and the second ground point 118 form a third antenna unit, the third antenna unit is a Loop (Loop) antenna, an operating frequency band of the third antenna unit is a (2.3GHz-2.69GHz) frequency band, a mode of the third antenna unit is a quarter wavelength, wherein the feeding point 13 is connected to the second metal frame 116 to form a third radiation portion, the third radiation portion and the third slot 112 can generate a third resonance, and the third resonance is an operating frequency band of the third antenna unit. In this way, by providing the second metal frame 116 and the third slot 112, etc., when the feeding point 13 is electrically connected to the second metal frame 116, the antenna structure 10 is enabled to cover the N40(2300-2400MHz) and N41(2.5-2.69MHz) frequency bands. In addition, because the second metal frame 116 and the first metal frame 115 form an interval through the broken seam 119, a better isolation degree exists between the second antenna unit and the third antenna unit, and similarly, the second metal frame 116 and the camera module 12 also have an interval, so that the first antenna unit and the third antenna unit have a better isolation degree, and thus mutual interference between the third antenna unit and the first antenna unit and between the third antenna unit and the second antenna unit is reduced.
In some embodiments, the feeding point 13, the second metal frame 116, and the first metal frame form a fourth radiation portion, and the fourth radiation portion, the first slot 16, and the second slot 111 are coupled to generate a fourth resonance, where the fourth resonance is in an operating frequency band of the fourth antenna unit.
Specifically, the feeding points 13 are connected to the first metal frame 115 and the second metal frame 116, so that the radio frequency feed source, the feeding point 13, the first metal frame 115, the second metal frame 116, the first slot 16, the second slot 111, the first grounding point 117 and the second grounding point 118 form a fourth antenna unit, the fourth antenna unit is a Loop antenna, the working frequency band of the fourth antenna unit is 1.7GHz-2.1GHz, the mode of the fourth antenna unit is a quarter wavelength, wherein, the feeding point 13 is connected with the first metal frame 115 and the second metal frame 116 to form a fourth radiation portion, the second slot 111 and the third slot 112 can generate a fourth resonance, the fourth resonance is an operating frequency band of the fourth antenna unit, and thus, the antenna structure 10 is enabled to cover N1(1920-2170MHz) and N3(1710-1885MHz) by the arrangement of connecting the feeding point 13 with the first metal frame 115 and the second metal frame 116, respectively. In addition, since the second metal frame 116 and the first metal frame 115 are spaced apart from the camera module 12, the fourth antenna unit and the first antenna unit have a better isolation therebetween, so that mutual interference between the fourth antenna unit and the first antenna unit is reduced.
The above examples only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides an antenna structure, its characterized in that, antenna structure includes the metal center and sets up the module of making a video recording, feed point, communication module and the mainboard of metal center, the module of making a video recording with the mainboard is formed with first gap, communication module includes first irradiator, first irradiator with the module electricity of making a video recording is connected, the module of making a video recording with the feed point forms first radiation portion, first radiation portion with first gap coupling produces first resonance, first irradiator will first radiation portion with the first resonance that first gap produced adjusts to the working frequency channel of first antenna element.
2. The antenna structure according to claim 1, wherein the metal middle frame is provided with a second gap and a third gap communicating with the second gap, and is respectively provided with a first metal frame and a second metal frame, a joint of the first metal frame and the second metal frame is provided with a broken gap communicating with the second gap and the third gap, an opening end of the second gap far away from the broken gap is grounded to form a first grounding point, an opening end of the third gap far away from the broken gap is grounded to form a second grounding point, the first metal frame is connected with the first grounding point, and the second metal frame is connected with the second grounding point.
3. The antenna structure of claim 2, wherein the second slot length is greater than the third slot length, the third slot length being greater than the break length.
4. The antenna structure of claim 3, wherein the second slot length is 7.5 millimeters, the third slot length is 5.6 millimeters, and the length of the break is 1.2 millimeters.
5. The antenna structure of claim 3, wherein the feeding point and the first metal frame form a second radiating portion, and the second radiating portion and the first slot are coupled to generate a second resonance, and the second resonance is in an operating frequency band of the second antenna element.
6. The antenna structure of claim 3, wherein the feeding point and the second metal frame form a third radiating portion, and the third radiating portion and the second slot are coupled to generate a third resonance, and the third resonance is in an operating frequency band of a third antenna element.
7. The antenna structure of claim 3, wherein the feeding point, the second metal frame, and the first metal frame form a fourth radiating portion, and the fourth radiating portion, the first slot, and the second slot are coupled to generate a fourth resonance, and the fourth resonance is in an operating frequency band of a fourth antenna element.
8. The antenna structure of claim 1, wherein the communication module comprises any one of a Wi-Fi module and a GPS module.
9. The antenna structure of claim 1, wherein the motherboard is formed with a gap with the metal bezel, the gap being 2 millimeters.
10. A mobile terminal, characterized in that the mobile terminal comprises an antenna arrangement according to any of claims 1-9.
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|---|---|---|---|---|
| CN112736421A (en) * | 2020-12-08 | 2021-04-30 | 深圳酷派技术有限公司 | Radio frequency device and electronic equipment |
| CN116802936A (en) | 2021-01-04 | 2023-09-22 | 三星电子株式会社 | Antenna module and electronic device comprising same |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140623A (en) * | 2015-07-23 | 2015-12-09 | 广东欧珀移动通信有限公司 | Antenna system and communication terminal employing same |
| CN107230823A (en) * | 2017-06-16 | 2017-10-03 | 昆山睿翔讯通通信技术有限公司 | A kind of antenna system based on all-metal back-cover smart mobile phone |
| CN107425258A (en) * | 2017-06-22 | 2017-12-01 | 瑞声科技(新加坡)有限公司 | Antenna system and mobile terminal |
| CN107453032A (en) * | 2017-06-22 | 2017-12-08 | 瑞声科技(新加坡)有限公司 | The antenna and mobile terminal of mobile terminal |
| WO2019033311A1 (en) * | 2017-08-16 | 2019-02-21 | 深圳传音制造有限公司 | Terminal device |
| CN109390693A (en) * | 2017-08-05 | 2019-02-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| EP3579530A1 (en) * | 2017-03-24 | 2019-12-11 | Samsung Electronics Co., Ltd. | Electronic device comprising antenna |
| CN210607597U (en) * | 2019-11-08 | 2020-05-22 | RealMe重庆移动通信有限公司 | Electronic device |
| CN111430890A (en) * | 2019-12-25 | 2020-07-17 | 瑞声科技(新加坡)有限公司 | Metal ring antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4268654B2 (en) * | 2007-10-31 | 2009-05-27 | パナソニック株式会社 | Portable wireless device |
| CN210692740U (en) * | 2019-11-15 | 2020-06-05 | RealMe重庆移动通信有限公司 | Electronic device |
| CN210899362U (en) * | 2020-03-12 | 2020-06-30 | 维沃移动通信有限公司 | Camera module and electronic equipment |
-
2020
- 2020-08-27 CN CN202010879577.XA patent/CN112003013B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105140623A (en) * | 2015-07-23 | 2015-12-09 | 广东欧珀移动通信有限公司 | Antenna system and communication terminal employing same |
| EP3579530A1 (en) * | 2017-03-24 | 2019-12-11 | Samsung Electronics Co., Ltd. | Electronic device comprising antenna |
| CN107230823A (en) * | 2017-06-16 | 2017-10-03 | 昆山睿翔讯通通信技术有限公司 | A kind of antenna system based on all-metal back-cover smart mobile phone |
| CN107425258A (en) * | 2017-06-22 | 2017-12-01 | 瑞声科技(新加坡)有限公司 | Antenna system and mobile terminal |
| CN107453032A (en) * | 2017-06-22 | 2017-12-08 | 瑞声科技(新加坡)有限公司 | The antenna and mobile terminal of mobile terminal |
| CN109390693A (en) * | 2017-08-05 | 2019-02-26 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| WO2019033311A1 (en) * | 2017-08-16 | 2019-02-21 | 深圳传音制造有限公司 | Terminal device |
| CN210607597U (en) * | 2019-11-08 | 2020-05-22 | RealMe重庆移动通信有限公司 | Electronic device |
| CN111430890A (en) * | 2019-12-25 | 2020-07-17 | 瑞声科技(新加坡)有限公司 | Metal ring antenna |
Non-Patent Citations (1)
| Title |
|---|
| 应用于金属边框移动终端的4G/5G多频段MIMO天线;陈楚晖;《中国优秀硕士学位论文全文数据库（信息科技辑）》;20200215(第2期);全文 * |
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