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CN107742781B - Antenna structure and mobile terminal with same - Google Patents

Antenna structure and mobile terminal with same Download PDF

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Publication number
CN107742781B
CN107742781B CN201710776619.5A CN201710776619A CN107742781B CN 107742781 B CN107742781 B CN 107742781B CN 201710776619 A CN201710776619 A CN 201710776619A CN 107742781 B CN107742781 B CN 107742781B
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section
short
antenna
connecting section
antenna structure
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CN201710776619.5A
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CN107742781A (en
Inventor
杜光东
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Shenzhen Shenglu IoT Communication Technology Co Ltd
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Shenzhen Shenglu IoT Communication Technology Co Ltd
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Publication of CN107742781A publication Critical patent/CN107742781A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/48Earthing means; Earth screens; Counterpoises
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/36Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
    • H01Q1/38Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/44Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/50Structural association of antennas with earthing switches, lead-in devices or lightning protectors
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/10Resonant antennas
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/20Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements characterised by the operating wavebands
    • H01Q5/28Arrangements for establishing polarisation or beam width over two or more different wavebands
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q5/00Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
    • H01Q5/30Arrangements for providing operation on different wavebands
    • H01Q5/307Individual or coupled radiating elements, each element being fed in an unspecified way
    • H01Q5/342Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
    • H01Q5/357Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
    • H01Q5/364Creating multiple current paths

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Abstract

The invention discloses an antenna structure and a mobile terminal with the antenna structure, wherein the antenna structure comprises a metal shell, a circuit board and an antenna, the circuit board comprises a grounding surface and a working surface which are oppositely arranged, the grounding surface is connected with the metal shell to realize grounding, a feeding point and a short-circuit point are arranged on the working surface, the feeding point and the short-circuit point are positioned on the same horizontal line, the antenna is arranged on the working surface, the antenna comprises a feeding unit and a short-circuit unit, the feeding unit is connected with the feeding point, and the short-circuit unit is connected with the short-circuit point. According to the antenna structure and the mobile terminal with the antenna structure provided by the embodiment of the invention, the grounding surface of the circuit board is connected with the metal shell to realize grounding, so that a grounding metal plate does not need to be additionally arranged on the circuit board, the occupation of the internal space of the metal shell is effectively reduced, and the light and thin design of the mobile terminal is facilitated. In addition, the invention also realizes the signal transmission of the antenna in different frequency bands by the structural design of the feed unit and the short circuit unit of the antenna.

Description

Antenna structure and mobile terminal with same
Technical Field
The present invention relates to the field of antenna technologies, and in particular, to an antenna structure and a mobile terminal having the same.
Background
Along with the continuous development of the manufacturing process of the electronic equipment and the improvement of the appearance requirement of people on the electronic equipment, more and more electronic equipment adopts a mode of an all-metal shell to replace a traditional plastic back cover so as to improve the structural strength and the overall touch comfort degree of the electronic equipment.
Currently, in an electronic device using an all-metal housing, in order to minimize the influence of the metal housing on an internal antenna of the electronic device, a grounding metal plate is usually added on a circuit board to realize grounding of the antenna. However, this method not only increases the assembly steps among the circuit board, the grounding metal plate and the antenna, but also increases the occupation of the internal space of the metal housing, which is not favorable for reducing the assembly cost of the electronic device and the light and thin design of the electronic device.
Disclosure of Invention
The embodiment of the invention discloses an antenna structure and a mobile terminal with the same, which are used for reducing the assembly cost of electronic equipment and are beneficial to the light and thin design of the electronic equipment.
The first aspect of the embodiment of the invention discloses an antenna structure, which comprises a metal shell, a circuit board and an antenna, wherein the circuit board comprises a ground plane and a working plane which are oppositely arranged, the ground plane is connected with the metal shell to realize grounding, a feed point and a short-circuit point are arranged on the working plane, the feed point and the short-circuit point are positioned on the same horizontal line, the antenna is arranged on the working plane, the antenna comprises a feed unit and a short-circuit unit, the feed unit is connected with the feed point, and the short-circuit unit is connected with the short-circuit point.
By adopting the mode, the metal shell can be used as a grounded carrier, and a grounded metal plate does not need to be additionally arranged, so that the assembly processes among the circuit board, the antenna and the grounded metal plate can be effectively reduced, the occupied space of the metal shell is reduced, and the light and thin design of the mobile terminal is facilitated.
As an optional implementation manner, in an embodiment of the first aspect of the present invention, the feeding unit includes a dielectric substrate, a radiation patch, and a first connection section, the dielectric substrate is disposed on the working surface, the radiation patch is disposed on the dielectric substrate, one end of the first connection section is connected to the radiation patch, and another end of the first connection section is connected to the feeding point.
As an optional implementation manner, in an embodiment of the first aspect of the present invention, an attaching groove is disposed on the dielectric substrate, the radiation patch is disposed in the attaching groove, a lower surface of the radiation patch is attached to the working surface, and a first gap is formed between an outer edge of the radiation patch and a groove edge of the attaching groove.
As an alternative implementation manner, in an embodiment of the first aspect of the present invention, the attaching groove is an open groove penetrating through one side of the dielectric substrate, the radiation patch is a rectangular patch, a vertical side of the radiation patch is flush with one side of the dielectric substrate, and the first connecting section is a straight line segment connected to the vertical side of the radiation patch.
As an alternative implementation manner, in an embodiment of the first aspect of the present invention, the short-circuit unit includes a second connection segment and a third connection segment, one end of the second connection segment is connected to the dielectric substrate, the third connection segment is connected to the other end of the second connection segment, and an end of the third connection segment is connected to the short-circuit point.
As an alternative implementation, in an embodiment of the first aspect of the present invention, the second connection segment has an s-shape or c-shape in a cross-section parallel to the upper surface of the dielectric substrate.
As an optional implementation manner, in an embodiment of the first aspect of the present invention, the third connection segment is an inverted L-shaped structure, and includes a horizontal connection portion and a vertical connection portion connected to the horizontal connection portion, the horizontal connection portion is connected to the other end of the second connection segment, and the vertical connection portion is connected to the short circuit point.
As an alternative implementation manner, in an embodiment of the first aspect of the present invention, the vertical connecting portion is disposed in parallel with the first connecting section, and a second gap is provided between the vertical connecting portion and the first connecting section.
Wherein the second gap is equal to the first gap.
In an alternative embodiment of the first aspect of the present invention, the radiation patch has a horizontal side length of (10 to 20) mm.
The second aspect of the invention discloses a mobile terminal, which comprises a terminal body and the antenna structure, wherein the terminal body is arranged in a metal shell.
According to the antenna structure and the mobile terminal with the antenna structure provided by the embodiment of the invention, the grounding surface of the circuit board is connected with the metal shell to realize grounding, so that a grounding metal plate does not need to be additionally arranged on the circuit board, the occupation of the internal space of the metal shell is effectively reduced, and the light and thin design of the mobile terminal is facilitated.
In addition, through setting up the antenna and including feed unit and short circuit unit, this feed unit adopts the mode of radiation paster, this short circuit unit includes second linkage segment and third linkage segment, and this second linkage segment is approximate s type or c font, this third linkage segment is approximate to the L font of falling, when current circulation, the current mainly distributes in the lower part of this radiation paster and this second linkage segment and third linkage segment department to produce the resonance of different frequencies at radiation paster, second linkage segment and third linkage segment department, and then realize the signal transmission of antenna at different frequency channels.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an antenna structure according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an antenna in an antenna structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a mobile terminal according to a second embodiment of the present invention.
Detailed Description
In the present invention, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "center", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings. These terms are used primarily to better describe the invention and its embodiments and are not intended to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.
Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meanings of these terms in the present invention can be understood by those skilled in the art as appropriate.
Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.
Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.
The technical solution of the present invention will be further described with reference to the following embodiments and the accompanying drawings.
Example one
Fig. 1 and fig. 2 are schematic structural diagrams of an antenna structure 100 according to an embodiment of the present invention. The antenna structure 100 includes a metal housing 10, a circuit board 20 and an antenna 30, wherein the circuit board 20 includes a ground plane (not labeled) and a working plane 21, which are disposed oppositely, and the ground plane is connected to the metal housing 10 to realize grounding. The working surface 21 is provided with a feeding point 21a and a short-circuit point 21b, and the feeding point 21a and the short-circuit point 21b are located on the same horizontal line. The antenna 30 is disposed on the working surface 21, the antenna 30 includes a feeding unit 31 and a short-circuit unit 32, the feeding unit 31 is connected to the feeding point 21a, and the short-circuit unit 32 is connected to the short-circuit point 21 b.
The grounding mode is realized by connecting the grounding surface of the circuit board 20 with the metal shell 10, and no grounding metal plate is required to be additionally arranged, so that the assembly of the components of the circuit board 20 is effectively reduced, and the occupation of the internal space of the metal shell 10 is reduced.
In this embodiment, the metal housing 10 can be used as an external housing of a mobile terminal, the circuit board 20 can be disposed in the metal housing 10, and a ground plane of the circuit board 20 can be directly attached to the metal housing 10, so as to realize grounding of the antenna 30.
In this embodiment, the antenna 30 may be disposed on a partial area of the circuit board 20 near the top of the metal housing 10, and the feeding unit 31 includes a dielectric substrate 31a, a radiation patch 3lb and a first connection segment 31c, the dielectric substrate 31a is disposed on the working surface 21, and the radiation patch 31b is disposed on the dielectric substrate 31 a. Specifically, the dielectric substrate 31a is disposed on a partial area of the circuit board 20 near the top of the metal housing 10, the dielectric substrate 31a is disposed with a mounting slot 311, the radiation patch 31b is disposed in the mounting slot 311, and the lower surface of the radiation patch 31b is mounted on the working surface 21 of the circuit board 20. That is, the attaching groove 311 completely penetrates the upper and lower surfaces of the dielectric substrate 31a, so that the radiation patch 31b can be directly attached to the working surface 21 of the circuit board 20.
Further, the attaching groove 311 is a square groove, the attaching groove 311 penetrates through one side of the dielectric substrate 31a, the radiation patch 31b is a rectangular patch, and a first gap 312 is formed between the outer edge of the radiation patch 31b and the groove edge of the attaching groove 311. That is, the width of the radiation patch 31b is smaller than the width of the attaching slot 311, the radiation patch 31b includes a first horizontal side 313, a first vertical side 314, a second horizontal side 315, and a second vertical side 316, the second horizontal side 315 is disposed in parallel with the first horizontal side 313, the first vertical side 314 and the second vertical side 316 are both connected between the first horizontal side 313 and the second horizontal side 315, and the second vertical side 316 is disposed in parallel with the first vertical side 314. When the radiation patch 31b is disposed in the mounting slot 311, the first vertical edge 314 of the radiation patch 31b is flush with one side edge of the dielectric substrate 31a, and the distance between the first horizontal edge 313 of the radiation patch 31b and one side of the mounting slot 311 in the length direction is the first gap 312.
By providing the first gap 312 between the first horizontal side 313 of the radiation patch 31b and one side of the attaching groove 311 in the length direction, the first gap 312 can be provided between the radiation patch 31b and the dielectric substrate 31a, so that the radiation patch 31b can generate radiation outward through the first gap 312.
Preferably, the first horizontal side 313 of the radiating patch 31b may have a side length of (10-25) mm in order to have a good resonance effect. That is, the first horizontal side 313 of the radiation patch 31b may have a side length of 10mm, 12mm, 15mm, 18mm, 20mm, 22mm, 25mm, or the like.
In the present embodiment, one end of the first connecting section 31c is connected to the radiating patch 31b, and the other end of the first connecting section 31c is connected to the feeding point 21a, so as to connect the first connecting section 31c to the working surface 21 of the circuit board 20. In this way, when a current flows, the current is mainly distributed at the lower portion of the radiation patch 31b and the position of the first connection segment 31c, so that resonance of a low frequency band is generated at the lower portion of the radiation patch 31b and the position of the first connection segment 31c, thereby realizing signal transmission of the antenna 30 at the low frequency band. Specifically, the first connection section 31c is a straight line section connected to the first vertical side 314 of the radiation patch 31b, and the length of the first connection section 31c may be approximately equal to the length of the first vertical side 314 of the radiation patch 31 b. It can be known that, in an LTE (Long Term Evolution) system, the low frequency band is a frequency band below 1000 MHz.
In this embodiment, the short circuit unit 32 includes a second connection segment 32a and a third connection segment 32b which are integrally formed, one end of the second connection segment 32a is connected to the dielectric substrate 31a, the third connection segment 32b is connected to the other end of the second connection segment 32a, and an end of the third connection segment 32b is connected to the short circuit point 21 b. Specifically, the second connection segment 32a includes a first end 321 and a second end 322, and the first end 321 is connected to an end of the dielectric substrate 31a far from the first vertical edge 314 of the radiation patch 31b to connect the second connection segment 32a with the dielectric substrate 31 a. Preferably, the second connecting segment 32a has an s-shaped or c-shaped cross-section along a plane parallel to the upper surface (i.e., a plane away from the working surface 21) of the dielectric substrate 31 a.
In one embodiment, the second connecting segment 32a has a c-shape (as shown in fig. 2) in a cross-section parallel to the upper surface of the dielectric substrate 31 a.
As another embodiment, the second connecting segment 32a may also have an s-shaped cross-section along a direction parallel to the upper surface of the dielectric substrate 31 a.
In this way, when a current flows, the current can be gathered on the second connection segment 32a, so that resonance of the middle frequency band is generated, and signal transmission of the antenna 30 at the middle frequency band is realized. It can be known that, in the LTE system, the intermediate frequency range is 1500MHz to 3000 MHz.
Further, the third connecting segment 32b is of an inverted L-shaped structure, and includes a horizontal connecting portion 323 and a vertical connecting portion 324 connected to the horizontal connecting portion 323, the horizontal connecting portion 323 is connected to the second end 322 of the second connecting segment 32a, and a side of the vertical connecting portion 324 away from the horizontal connecting portion 323 is connected to the short circuit point 21 b. By adopting the mode of setting the third connection section 32b to be the inverted L-shaped structure, when a current flows, the current can be distributed at the third connection section 32b, so that a high-frequency resonance is generated at the third connection section 32b, and signal transmission of the antenna 30 at the high-frequency is realized. It can be known that, in the LTE system, the high frequency band is a frequency of 3000MHz or more.
Further, the horizontal connecting portion 323 is disposed in parallel with the first horizontal side 313, the vertical connecting portion 324 is disposed in parallel with the first connecting segment 31c, and a second gap 325 is disposed between the vertical connecting portion 324 and the first connecting segment 31c, wherein the second gap 325 is a distance between the feeding point 21a and the short-circuit point 21 b.
In the antenna 30 structure 100 provided in the first embodiment of the present invention, the ground plane of the circuit board 20 is directly connected to the metal housing 10 to achieve grounding, so that an additional grounding metal plate is not required, and the occupation of the internal space of the metal housing 10 is effectively reduced. In addition, the antenna 30 structure 100 of the present invention further includes a feeding unit 31 and a short-circuit unit 32, the feeding unit 31 adopts a manner that a radiation patch 31b is disposed on a dielectric substrate 31a, when a current flows, the current can be gathered at the radiation patch 31b, so that the antenna 30 can generate low-frequency resonance at the radiation patch, thereby implementing low-frequency signal transmission or reception; meanwhile, the second connection segment 32a of the short circuit unit 32 is configured to be approximately c-shaped or s-shaped, and the third connection segment 32b is connected to the second connection segment 32a and approximately L-shaped, so that when a current flows, the current can be gathered at the second connection segment 32a and the third connection segment 32b, and resonances of different frequencies are generated at the second connection segment 32a and the third connection segment, respectively, thereby realizing signal transmission of the antenna 30 under different frequency bands, and greatly improving the signal transmission effect of the antenna 30.
Example two
Fig. 3 is a schematic structural diagram of a mobile terminal according to a second embodiment of the present invention. The mobile terminal 200 according to the second embodiment of the present invention includes a terminal body 201 and the antenna structure 100, where the terminal body 201 is disposed in the metal housing 10.
In the embodiment, the mobile terminal 200 may be, but is not limited to, a mobile phone, a tablet computer, a smart watch, and the like. The terminal body 201 may be a mobile phone body, a tablet computer body, or a watch body. The metal case 10 may serve as an outer case of the mobile terminal 200.
In this embodiment, since the metal housing 10 can be used as an outer housing of the mobile terminal 200, the antenna structure 100 is disposed inside the mobile terminal 200, that is, the antenna structure 100 can convert an electrical signal transmitted from a wire into a radio wave and transmit the radio wave to an external space, that is, a high-frequency current in a circuit or a guided wave on a feeding transmission line is effectively converted into a space electromagnetic wave with a certain polarization; it is also possible to receive radio waves and convert them into electrical signals, i.e. electromagnetic waves of a certain polarization coming from a specific direction in space are efficiently converted into high-frequency currents in the circuit or into guided waves on the transmission line. In summary, the antenna structure 100 is capable of receiving and transmitting signals of the mobile terminal 200.
According to the antenna structure and the mobile terminal with the antenna structure provided by the embodiment of the invention, the grounding surface of the circuit board is connected with the metal shell to realize grounding, so that a grounding metal plate does not need to be additionally arranged on the circuit board, the occupation of the internal space of the metal shell is effectively reduced, and the light and thin design of the mobile terminal is facilitated.
In addition, through setting up the antenna and including feed unit and short circuit unit, this feed unit adopts the mode of radiation paster, this short circuit unit includes second linkage segment and third linkage segment, and this second linkage segment is approximate s type or c font, this third linkage segment is approximate to the L font of falling, when current circulation, the current mainly distributes in the lower part of this radiation paster and this second linkage segment and third linkage segment department to produce the resonance of different frequencies at radiation paster, second linkage segment and third linkage segment department, and then realize the signal transmission of antenna at different frequency channels.
The antenna structure and the mobile terminal having the antenna structure disclosed in the embodiments of the present invention are described in detail above, and a specific example is applied in the description to explain the principle and the implementation of the present invention, and the description of the above embodiments is only used to help understanding the antenna structure and the core idea of the present invention; meanwhile, for a person skilled in the art, according to the idea of the present invention, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present invention.

Claims (7)

1. An antenna structure is characterized by comprising a metal shell, a circuit board and an antenna, wherein the circuit board comprises a ground plane and a working plane which are oppositely arranged, the ground plane is connected with the metal shell to realize grounding, a feed point and a short-circuit point are arranged on the working plane, the feed point and the short-circuit point are positioned on the same horizontal line, the antenna is arranged on the working plane, the antenna comprises a feed unit and a short-circuit unit, the feed unit is connected with the feed point, and the short-circuit unit is connected with the short-circuit point;
the feed unit comprises a medium substrate, a radiation patch and a first connecting section, wherein the medium substrate is arranged on the working surface, the medium substrate is arranged in a partial area of the working surface close to the top of the metal shell, the medium substrate is inverted L-shaped and comprises a horizontal section and a vertical section vertically connected with the horizontal section, a sticking groove is formed by enclosing the horizontal section and the vertical section, the radiation patch is arranged on the medium substrate and is positioned in the sticking groove, one end of the first connecting section is connected with the lower end of the radiation patch, the end part of the other end of the first connecting section is connected with the feed point, so that low-frequency-band resonance is generated at the lower part of the radiation patch and the position of the first connecting section, the first connecting section is a straight-line segment of a first vertical edge of the radiation patch, and the length of the first connecting section is equal to that of the first vertical edge of the radiation patch, in an LTE system, the low frequency range is a frequency range below 1000 MHz; the short circuit unit comprises a second connecting section and a third connecting section, one end of the second connecting section is connected to one end, away from the horizontal section, of the vertical section of the medium substrate, the third connecting section is connected to the other end of the second connecting section, and the end part of the third connecting section is connected with the short circuit point;
the cross section of the second connecting section parallel to the upper surface of the medium substrate is c-shaped or s-shaped, the second connecting section is used for generating resonance of a middle frequency band through current, and the middle frequency band is 1500MHz-3000MHz under an LTE system;
the third connecting section is of an inverted L-shaped structure, and is used for generating resonance of a high frequency band through current, and the high frequency band is frequency of more than 3000MHz in an LTE system.
2. The antenna structure of claim 1, wherein the lower surface of the radiation patch is attached to the working surface, and a first gap is formed between an outer edge of the radiation patch and a groove edge of the attachment groove.
3. The antenna structure of claim 2, wherein the attachment slot is an open slot extending through one side of the dielectric substrate, the radiating patch is a rectangular patch, and a vertical side of the radiating patch is flush with one side of the dielectric substrate.
4. The antenna structure according to claim 1, wherein the third connection section includes a horizontal connection portion and a vertical connection portion connected to the horizontal connection portion, the horizontal connection portion being connected to the other end of the second connection section, an end of the vertical connection portion being connected to the short-circuit point.
5. The antenna structure according to claim 4, wherein the vertical connection portion is disposed in parallel with the first connection section with a second gap therebetween.
6. The antenna structure according to claim 2, characterized in that the radiating patch has a horizontal side length of 10-25 mm.
7. A mobile terminal, characterized in that the mobile terminal comprises a terminal body and the antenna structure of any one of claims 1 to 6, wherein the terminal body is arranged in the metal shell.
CN201710776619.5A 2017-08-31 2017-08-31 Antenna structure and mobile terminal with same Active CN107742781B (en)

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CN107742781B true CN107742781B (en) 2021-02-19

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Publication number Priority date Publication date Assignee Title
CN109728447B (en) 2018-12-28 2023-01-13 维沃移动通信有限公司 Antenna structure and high-frequency multi-band wireless communication terminal

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JP4044502B2 (en) * 2003-09-22 2008-02-06 アルプス電気株式会社 Dual band antenna
TW200614593A (en) * 2004-10-28 2006-05-01 Wistron Neweb Corp Antenna for portable electronic device
CN104241844B (en) * 2013-06-06 2017-06-27 深圳富泰宏精密工业有限公司 Antenna structure and the radio communication device using the antenna structure
CN103337697B (en) * 2013-06-06 2015-04-15 电子科技大学 Seven-band planar terminal antenna
CN106450727A (en) * 2016-10-17 2017-02-22 东莞华贝电子科技有限公司 Miniaturized multi-band mobile terminal antenna

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