WO2018076451A1 - 天线装置和终端 - Google Patents

天线装置和终端 Download PDF

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Publication number
WO2018076451A1
WO2018076451A1 PCT/CN2016/108015 CN2016108015W WO2018076451A1 WO 2018076451 A1 WO2018076451 A1 WO 2018076451A1 CN 2016108015 W CN2016108015 W CN 2016108015W WO 2018076451 A1 WO2018076451 A1 WO 2018076451A1
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WO
WIPO (PCT)
Prior art keywords
antenna
area
metal
terminal
feeding
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Application number
PCT/CN2016/108015
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English (en)
French (fr)
Inventor
叶扬韬
罗振宇
王吉钊
李克
Original Assignee
宇龙计算机通信科技(深圳)有限公司
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Publication of WO2018076451A1 publication Critical patent/WO2018076451A1/zh

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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
    • 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
    • H01Q1/244—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 extendable from a housing along a given path
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/48—Earthing means; Earth screens; Counterpoises
    • 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

Definitions

  • the present invention relates to the field of terminal technologies, and in particular to an antenna device and a terminal.
  • the terminal housing is prepared in a combined manner so that the antenna structure is located in the non-metal medium region.
  • the non-metal medium region has a wide width, which affects the appearance of the terminal.
  • the antenna circuit is usually disposed at the terminal through an etching process.
  • the housing or a separate plastic part not only occupies the internal space of the terminal, but also increases the terminal preparation cost.
  • the present invention is based on at least one of the above technical problems, and proposes a new antenna device by providing a first antenna radiation region in a designated area of a printed circuit board and an antenna circuit in the first antenna radiation region.
  • An adjacent region of an antenna radiating region is provided with a feeding region, and the circuit board is divided into a first antenna radiating region and a connecting region through the feeding region, and a feeding point and an adjusting module are respectively disposed in the feeding region, and the antenna can be adjusted through the adjusting module
  • the resonant frequency of the device meets the communication requirements of different frequency bands, and the antenna wiring is not required to be etched on the plastic component, and the internal space of the terminal can be saved, and the production cost of the terminal is reduced, and By setting the adjustment module, the resonance frequency of the antenna can be widened, thereby improving the radiation performance of the antenna.
  • the micro-seam system and the feed-in area have a coincident region in the longitudinal direction, and the metal shell
  • the body is divided into a second antenna radiation area and a metal connection area.
  • separating the antenna radiation area from the connection area is beneficial to Radiation performance of the antenna device, using the other hand, instead of a slit-based metal three-shell structure, but also to enhance the aesthetics of the terminal housing.
  • the present invention provides an antenna device including: a first antenna radiating region disposed in a designated area of a printed circuit board, an antenna circuit disposed in the first antenna radiating region, and the antenna circuit configured to transmit or receive an antenna signal
  • the feeding area is disposed on the printed circuit board and adjacent to the radiation area of the first antenna.
  • the feeding area is provided with a feeding point and an adjustment module, the feeding point is used for feeding the antenna signal, and the adjusting module is connected through the feeding point.
  • the antenna circuit, the adjustment module is used for adjusting the resonance frequency of the antenna device;
  • the micro-seam system is disposed on the metal casing of the terminal corresponding to the feeding region, and the micro-seam is used for separating the metal casing into the second antenna radiation region. Connected to the metal area.
  • a first antenna radiation area is disposed in a designated area of the printed circuit board, and an antenna circuit is disposed in the first antenna radiation area, and a feeding area is disposed in an adjacent area of the first antenna radiation area, and is fed through
  • the area is divided into a first antenna radiation area and a connection area, and a feed point and an adjustment module are respectively arranged in the feed area, and the resonance frequency of the antenna device can be adjusted through the adjustment module to meet the communication requirements of different frequency bands, and the antenna is
  • the circuit does not need to increase the antenna routing, and the internal space of the terminal can be saved, the production cost of the terminal can be reduced, and the resonance frequency of the antenna can be widened by setting the adjustment module, thereby improving the radiation of the antenna.
  • the micro-seam system on the terminal housing, and the micro-seam system and the feeding-in area have a coincident region in the longitudinal direction, and the metal housing is divided into a second antenna radiation region and a metal-connected region, on the one hand, Separation of the antenna radiation area from the connection area is beneficial to optimize the radiation performance of the antenna device.
  • the micro-seam system is used instead of the three segments. After the metal shell structure, but also to enhance the aesthetics of the terminal housing.
  • the feeding area may be laterally disposed, and a terminal circuit is disposed on a right side of the feeding area on the circuit board to implement grounding of the antenna circuit.
  • the adjustment module comprises a single-pole multi-position switch
  • the single-pole multi-position switch comprises a fixed end and a selection end
  • the fixed end is connected to the feed point
  • the selection end is used for controlling access to the plurality according to the received control signal Adjust any of the circuits.
  • the adjustment module may be a single-pole multi-position switch, and the single-pole multi-position switch includes a fixed end and a rotating end, that is, a fixed end and a movable end, the fixed end is connected to the feeding point, and the selective end is connected to the plurality of resonant frequency adjustments.
  • Any one of the circuits can be connected to different adjustment circuits through the switching switch of the moving end, and different resonant frequency bands can be obtained, thereby meeting the communication requirements of different frequency bands.
  • each of the resonant frequency adjusting circuits may include a plurality of capacitive components of different sizes, and different resonant frequency bands are further obtained by connecting capacitors of different capacitance capacities to the circuit to obtain different resonant frequencies.
  • the adjustment module includes an adjustable capacitance, and the adjustable capacitance is used to adjust the capacity of the adjustable capacitance according to the received control signal to adjust the resonance frequency.
  • an adjustable capacitor is provided instead of a multi-switch, and the resonance of different frequencies in the circuit is realized by adjusting the capacity and matching with components such as an inductor.
  • the adjustable capacitors are mostly 2 to 4 connected, and when connected to the antenna circuit, the frequency adjustment of the local oscillator circuit can be realized.
  • the feed zone does not allow placement of other metal traces and devices.
  • the method further includes: a radio frequency transceiver area disposed on a side of the opposite feeding area away from the first antenna radiation area, a radio frequency transceiver circuit disposed in the radio frequency transceiver area, and the radio frequency transceiver circuit is connected to Feed points.
  • the first antenna radiation area is separated from the radio frequency transceiver area by setting the feeding area, the radio frequency transceiver circuit is set in the radio frequency transceiver area, and the radio frequency transceiver circuit is connected to the feeding point, thereby realizing active
  • the conversion between the electrical signal and the radio frequency signal enables wireless reception and wireless transmission through the antenna device.
  • the first antenna radiation area is separated from the radio frequency transceiver area by the feeding area.
  • the main circuit of the circuit board can be prevented from causing interference to the antenna signal.
  • the radio frequency transceiver area further includes other functional circuits of the terminal.
  • the metal circuit of the functional circuit and the metal traces are integrated into one body, forming a large-area metal reference body compared to the radiation area of the first antenna, which is called the main "ground”, and the grounding performance of the metal reference body is further improved by the area separation. excellent.
  • the length of the feed zone is greater than or equal to 30 mm; and the width of the feed zone is greater than or equal to 2 mm.
  • the length of the feeding zone is greater than or equal to 30 mm and the width being greater than or equal to 2 mm, on the one hand, the isolation between the antenna radiation area on the circuit board and the RF transmitting and receiving area can be realized, and on the other hand, the feeding line is facilitated.
  • the layout of the adjustment circuit is also arranged, and the setting method of setting the antenna circuit on the PCB is also realized.
  • the second antenna radiating region is provided with a connecting portion for connecting the first antenna radiating region and the second antenna radiating region to form a radiator of the antenna device, wherein
  • the connecting portion includes any one of a metal dome and a screw.
  • the second antenna radiation region is disposed opposite to the first antenna radiation region on the circuit board, and the metal dome or the screw is disposed on the second antenna radiation region.
  • the metal casing is prevented from interfering with the radio frequency signal.
  • the metal connection region is provided with a connection portion for connecting the metal connection region to the ground of the printed circuit board, wherein the ground of the printed circuit board is disposed in the RF transmission and reception area.
  • the terminal housing and the PCB board can be divided into two parts: an antenna radiating part and a grounding part, and the terminal housing is separated into a second antenna radiating area of the upper part and a metal joint of the lower part by a micro slit system provided.
  • the metal shrapnel is placed on the metal connection area to achieve grounding of the RF transceiver area, and the grounding performance of the terminal is improved to improve the RF performance.
  • the micro slit system comprises a metal medium micro slit and at least two non-metal medium micro slits; the metal medium micro slit has a width of less than 1.5 mm; and the non-metal medium micro slit has a width of less than 0.6 mm. .
  • the microslit system may include a plurality of micro slits, wherein at least one metal medium micro slit and two non-metal medium micro slits are formed, and the width of the metal medium micro slit is less than 1.5 mm, and the micro slit of the non-metal medium Less than 0.6mm, on the one hand, by reducing the width of the micro slit, it is difficult to recognize the micro slit system in appearance, and the appearance of the terminal is improved.
  • the second is realized by providing at least two non-metal media. The isolation of the radiated area of the antenna from the metal-connected area prevents the influence of the metal housing on the performance of the antenna device.
  • the metal case is at least one of a rear case, a middle frame, and a battery cover of the terminal.
  • the metal casing may be a front casing of the terminal, a rear casing of the terminal, and a battery cover of the terminal, the micro-seam is transversely penetrated through the metal casing, and the rear casing of the terminal further includes a metal middle frame to further extend to the middle.
  • the frame position further increases the antenna radiation area to enhance the performance of the antenna device.
  • a terminal comprising the antenna device according to any one of the above aspects, and therefore, the terminal includes the technical effect of the antenna device according to any one of the above aspects. Let me repeat.
  • a first antenna radiation area is disposed in a designated area of the printed circuit board, and an antenna circuit is disposed in the first antenna radiation area, and a feeding area is disposed in an adjacent area of the first antenna radiation area, and the feeding area is
  • the circuit board is divided into a first antenna radiation area and a connection area, and a feeding point and an adjustment module are respectively disposed in the feeding area, and the resonance frequency of the antenna device can be adjusted through the adjustment module to meet communication requirements of different frequency bands, and the antenna circuit is Compared with the way of etching on the plastic parts, it is not necessary to increase the antenna routing, and the internal space of the terminal can be saved, the production cost of the terminal is reduced, and the resonance frequency of the antenna can be widened by setting the adjustment module, thereby improving the radiation of the antenna.
  • the micro-seam system and the feeding-in area have a coincident region in the longitudinal direction, and the metal housing is divided into a second antenna radiation region and a metal-connected region, on the one hand, Separation of the antenna radiation area from the connection area is beneficial to optimize the radiation performance of the antenna device, and on the other hand, the micro-seam system is used instead.
  • the metal shell stage structure but also to enhance the aesthetics of the terminal housing.
  • FIG. 1 shows a schematic diagram of a printed circuit board in an antenna device in accordance with an embodiment of the present invention
  • FIG. 2 is a schematic view showing a terminal housing in an antenna device according to an embodiment of the present invention.
  • Figure 3 shows a partial schematic view of A in Figure 2;
  • Figure 4 shows a schematic block diagram of a terminal in accordance with an embodiment of the present invention
  • FIG. 5 is a schematic diagram showing antenna return loss of an antenna device according to an embodiment of the present invention.
  • FIG. 6 is a diagram showing an antenna return loss of an antenna device according to another embodiment of the present invention.
  • 1 and 2 respectively show a schematic view of a printed circuit board and a schematic view of a terminal housing in an antenna device in accordance with an embodiment of the present invention.
  • an antenna device 100 includes: a first antenna radiating region 102 disposed in a designated area of a printed circuit board, and an antenna circuit disposed in the first antenna radiating region 102.
  • the antenna circuit is configured to send or receive an antenna signal;
  • the feeding area 104 is disposed on the printed circuit board and adjacent to the first antenna radiating area 102.
  • the feeding area 104 is provided with a feeding point and an adjusting module, and the feeding point is used.
  • the adjusting module is connected to the antenna circuit through the feeding point, and the adjusting module is used for adjusting the resonant frequency of the antenna device;
  • the micro-seam system 106 is disposed on the metal casing of the terminal and corresponding to the feeding area 104,
  • the slit system 106 is used to separate the metal housing into a second antenna radiating region 108 and a metal joint region 110.
  • a first antenna radiation area 102 is disposed in a designated area of the printed circuit board, and an antenna circuit is disposed in the first antenna radiation area 102, adjacent to the first antenna radiation area 102.
  • the regional feed-in area 104 divides the circuit board into the first antenna radiation area 102 and the connection area through the feed-in area 104, and respectively provides a feed point and an adjustment module in the feed-in area 104, and the resonance of the antenna device can be adjusted through the adjustment module.
  • Frequency to meet the communication requirements of different frequency bands compared with the way of etching the antenna circuit on the plastic parts, there is no need to increase the antenna routing, and the internal space of the terminal can be saved, the production cost of the terminal can be reduced, and the adjustment module is set by , can widen the resonant frequency of the antenna, thereby improving the radiation performance of the antenna,
  • the micro slit system 106 on the terminal housing, and the micro slit system 106 and the feeding portion 104 have a coincident region in the longitudinal direction, and separating the metal housing into the second antenna radiation region 108 and the metal connection Region 110, on the one hand, separating the antenna radiation area from the connection area is beneficial to optimize the radiation performance of the antenna device, and on the other hand, the micro-seam system 106 is used instead of the three-section metal back shell structure, which also improves the aesthetics of the terminal housing. .
  • the feeding area 104 may be laterally disposed, and a terminal circuit is disposed on the right side of the feeding area 104 on the circuit board to implement grounding of the antenna circuit.
  • the adjustment module comprises a single-pole multi-position switch
  • the single-pole multi-position switch comprises a fixed end and a selection end
  • the fixed end is connected to the feed point
  • the selection end is used for controlling access to the plurality according to the received control signal Adjust any of the circuits.
  • the adjustment module may be a single-pole multi-position switch, and the single-pole multi-position switch includes a fixed end and a rotating end, that is, a fixed end and a movable end, the fixed end is connected to the feeding point, and the selective end is connected to the plurality of resonant frequency adjustments.
  • Any one of the circuits can be connected to different adjustment circuits through the switching switch of the moving end, and different resonant frequency bands can be obtained, thereby meeting the communication requirements of different frequency bands.
  • each of the resonant frequency adjusting circuits may include a plurality of capacitive components of different sizes, and different resonant frequency bands are further obtained by connecting capacitors of different capacitance capacities to the circuit to obtain different resonant frequencies.
  • the adjustment module includes an adjustable capacitance, and the adjustable capacitance is used to adjust the capacity of the adjustable capacitance according to the received control signal to adjust the resonance frequency.
  • an adjustable capacitor is provided instead of a multi-switch, and the resonance of different frequencies in the circuit is realized by adjusting the capacity and matching with components such as an inductor.
  • the adjustable junction capacitance is mostly 2 to 4 connections, and when connected to the antenna circuit, the frequency adjustment of the local oscillation circuit can be realized.
  • the feed zone 104 does not allow placement of other metal traces and devices other than the feed and adjustment module adjustments.
  • the radio frequency transceiver area 112 is disposed on a side of the opposite feeding area 104 away from the first antenna radiation area 102, and the radio frequency transceiver area 112 is provided with a radio frequency transceiver circuit, and the radio frequency transceiver circuit is connected. To the feed point.
  • the first antenna radiating region 102 is separated from the radio frequency transmitting and receiving region 112 by setting the feeding region 104, the radio frequency transceiver circuit is disposed in the radio frequency transmitting and receiving region 112, and the radio frequency transceiver circuit is connected to the feeding point, thereby The conversion between the active electrical signal and the radio frequency signal is realized, thereby performing wireless reception and wireless transmission through the antenna device.
  • the first antenna radiation area 102 domain is separated from the radio frequency transceiver area 112 by the feeding area 104.
  • the main circuit of the circuit board can be prevented from causing interference to the antenna signal.
  • the radio frequency transceiver area 112 further includes The other functional circuits of the terminal, the metal device of the functional circuit and the metal traces are integrated, forming a large-area metal reference body compared to the first antenna radiating region 102, which is called the main "ground", and is separated by the region.
  • the metal reference body has better grounding performance.
  • the length of the feed zone 104 is greater than or equal to 30 mm; the width of the feed zone 104 is greater than or equal to 2 mm.
  • the length of the feeding region 104 is set to be greater than or equal to 30 mm and the width being greater than or equal to 2 mm, on the one hand, the isolation between the antenna radiation region on the circuit board and the RF transceiving region 112 can be realized, and on the other hand, it is convenient.
  • the layout of the feeder and the adjustment circuit is also arranged to set the antenna circuit on the PCB.
  • the second antenna radiating region 108 is provided with a connecting portion for connecting the first antenna radiating region 102 and the second antenna radiating region 108 to form a radiator of the antenna device.
  • the connecting portion includes any one of a metal dome and a screw.
  • the second antenna radiating region 108 is disposed opposite to the first antenna radiating region 102 on the circuit board by providing the second antenna radiating region 108 on the metal casing, and is disposed on the second antenna radiating region 108.
  • the metal dome or the screw is connected to the bright copper at the corresponding position on the first antenna radiation area 102, thereby realizing the conduction between the first antenna radiation area 102 and the second antenna radiation area 108, thereby increasing the area of the antenna radiation, thereby further Improve the RF operating efficiency of the antenna device while avoiding interference from the metal casing to the RF signal.
  • the metal connection region 110 is provided with a connection portion for connecting the metal connection region 110 to the ground of the printed circuit board, wherein the ground of the printed circuit board is disposed in the RF transmission and reception area.
  • the metal connection region 110 is provided with a connection portion for connecting the metal connection region 110 to the ground of the printed circuit board, wherein the ground of the printed circuit board is disposed in the RF transmission and reception area.
  • the terminal housing and the PCB board can be divided into two parts: an antenna radiating part and a ground part, and the terminal housing is separated into the upper second antenna radiating area 108 and the lower part by the provided micro slitting system 106.
  • the metal connection area 110 is provided with a metal dome on the metal connection area 110 to achieve grounding of the RF transceiving area 112, and the purpose of improving the radio frequency performance by improving the grounding performance of the terminal.
  • the microslit system 106 includes a metal medium micro slit and at least two non-metal medium micro slits; the metal medium micro slit has a width of less than 1.5 mm; the non-metal medium The width of the micro slit is less than 0.6 mm.
  • the microslit system 106 may include a plurality of micro slits, wherein at least one metal medium micro slit and two non-metal medium micro slits are formed, and the width of the metal medium micro slit is less than 1.5 mm, and the micro metal medium is micro.
  • the slit is less than 0.6 mm.
  • the metal case is at least one of a rear case, a middle frame, and a battery cover of the terminal.
  • the metal casing may be a front casing of the terminal, a rear casing of the terminal, and a battery cover of the terminal.
  • the micro-seam system 106 extends transversely through the metal casing, and the rear casing of the terminal further includes a metal middle frame to further extend to The middle frame position further increases the antenna radiation area to improve the performance of the antenna device.
  • Figure 4 shows a schematic block diagram of a terminal in accordance with an embodiment of the present invention.
  • the terminal 200 according to the embodiment of the present invention includes the antenna device 100 according to any one of the above aspects. Therefore, the terminal 200 includes the antenna device 100 according to any one of the above aspects. The effect will not be described here.
  • FIG. 5 and FIG. 6 respectively show the return loss parameters corresponding to the antenna device when the adjustment module is in different states, wherein the ordinate shows the return loss parameter, and the abscissa shows The resonant frequency, as can be seen from FIG. 5 and FIG. 6, when the adjustment module is in different states, the resonant frequencies of the antenna devices are different, so that the communication requirements of different frequency bands can be met.
  • the adjustment module includes, but is not limited to, the following three embodiments.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • the adjustment module may be a single-pole multi-position switch, and the single-pole multi-position switch includes a fixed end and a rotating end, that is, a fixed end and a movable end, the fixed end is connected to the feed point, and the selection end is connected to any one of the plurality of resonant frequency adjustment circuits, By switching the switch to different adjustment circuits through the switch of the moving end, different resonant frequency bands can be obtained, thereby meeting the communication requirements of different frequency bands.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • the RF signal and the ground signal are switched to different feed points by using a switch to obtain different resonances, which satisfies the use requirements of the multi-band, and combines the RF signal and the ground signal to form more resonance states, which satisfies The bandwidth requirement that a single resonance cannot cover.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • the present invention proposes a new antenna device, which is not required to etch the antenna circuit on the plastic member.
  • the antenna trace is added, and the internal space of the terminal can be saved, the production cost of the terminal is reduced, and the resonance frequency of the antenna can be widened by setting the adjustment module, thereby improving the radiation performance of the antenna, and further, by setting the micro on the terminal housing.
  • the slit system and the micro slit system have a coincident region with the feeding region in the longitudinal direction, and the metal shell is divided into the second antenna radiating region and the metal connecting region.
  • separating the antenna radiating region from the connecting region is beneficial to optimization.
  • the radiation performance of the antenna device on the other hand, the use of a micro-seam system instead of a three-section metal backshell structure also enhances the aesthetics of the terminal housing.

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Abstract

本发明提供了一种天线装置和终端，其中，天线装置包括：第一天线辐射区，设置于印刷电路板的指定区域，第一天线辐射区内设置有天线电路，天线电路用于发送或接收天线信号；馈入区，设置于印刷电路板上，并与第一天线辐射区相邻，馈入区内设置有馈点和调节模块，馈点用于馈入天线信号，调节模块通过馈点接入天线电路，调节模块用于调节天线装置的谐振频率；微缝系，设置于终端的金属壳体上与馈入区对应的区域，微缝系用于将金属壳体分隔成第二天线辐射区与金属接地区。通过本发明技术方案，能够节省终端的内部空间，降低终端的生产成本，并且也提升终端外壳的美观性。

Description

天线装置和终端
本申请要求于2016年10月24日提交中国专利局，申请号为201610939463.3、发明名称为“天线装置和终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及终端技术领域，具体而言，涉及一种天线装置和一种终端。
背景技术
在相关技术中，随着对终端外观要求的不断提高，越来越多的厂商采用金属外壳代替塑胶外壳以提升终端的外观质量，为了避免金属外壳屏蔽射频信号，通常采用金属介质与非金属介质结合的方式制备终端壳体，以使天线结构位于非金属介质区域，为了提升射频性能，非金属介质区域宽度较宽，影响了终端外观的美观性，另外，天线电路通常通过蚀刻工艺设置于终端壳体上或单独的塑胶件上，不但占用终端内部空间，并且增加了终端制备成本。
因此，如何设计一种新的天线装置，以将电路板的指定区域作为天线辐射区成为亟待解决的技术问题。
发明内容
本发明正是基于上述技术问题至少之一，提出了一种新的天线装置，通过在印刷电路板的指定区域设置第一天线辐射区，并在第一天线辐射区内设置天线电路，在第一天线辐射区的相邻区域设置馈入区，通过馈入区将电路板分隔成第一天线辐射区与接地区，在馈入区内分别设置馈点与调节模块，通过调节模块能够调节天线装置的谐振频率，以满足不同频段的通信需求，与将天线电路蚀刻在塑胶件上的方式相比，不需要增加天线走线，并且能够节省终端的内部空间，降低了终端的生产成本，并且通过设置调节模块，能够拓宽天线的谐振频率，从而提升天线的辐射性能，另外，通过在终端壳体上设置微缝系，并且微缝系与馈入区在纵向具有重合区域，并将金属壳体分隔成第二天线辐射区与金属接地区，一方面，将天线辐射区与接地区进行分隔，有益于优化天线装置的辐射性能，另一方面使用微缝系代替三段式金属后壳结构，也提升了终端外壳的美观性。
有鉴于此，本发明提出了一种天线装置，包括：第一天线辐射区，设置于印刷电路板的指定区域，第一天线辐射区内设置有天线电路，天线电路用于发送或接收天线信号；馈入区，设置于印刷电路板上，并与第一天线辐射区相邻，馈入区内设置有馈点和调节模块，馈点用于馈入天线信号，调节模块通过馈点接入天线电路，调节模块用于调节天线装置的谐振频率；微缝系，设置于终端的金属壳体上与馈入区对应的区域，微缝系用于将金属壳体分隔成第二天线辐射区与金属接地区。
在该技术方案中，在印刷电路板的指定区域设置第一天线辐射区，并在第一天线辐射区内设置天线电路，在第一天线辐射区的相邻区域设置馈入区，通过馈入区将电路板分隔成第一天线辐射区与接地区，在馈入区内分别设置馈点与调节模块，通过调节模块能够调节天线装置的谐振频率，以满足不同频段的通信需求，与将天线电路蚀刻在塑胶件上的方式相比，不需要增加天线走线，并且能够节省终端的内部空间，降低终端的生产成本，并且通过设置调节模块，能够拓宽天线的谐振频率，从而提升天线的辐射性能，另外，通过在终端壳体上设置微缝系，并且微缝系与馈入区在纵向具有重合区域，并将金属壳体分隔成第二天线辐射区与金属接地区，一方面，将天线辐射区与接地区进行分隔，有益于优化天线装置的辐射性能，另一方面使用微缝系代替三段式金属后壳结构，也提升了终端外壳的美观性。
具体地，馈入区可以横向设置，在电路板上馈入区的右侧设置有终端电路，以实现天线电路接地。
在上述技术方案中，优选地，调节模块包括单刀多置开关，单刀多置开关包括固定端和选择端，固定端连接至馈点，选择端用于根据接收到的控制信号控制接入多个调节电路中的任意一个。
在该技术方案中，调节模块可以是单刀多置开关，单刀多置开关包括固定端与旋转端，即不动端与动端，不动端连接至馈点，选择端连接至多个谐振频率调节电路中的任意一个，通过动端的切换开关切换连接至不同的调节电路，可以获得不同的谐振频段，从而满足不同频段的通信需求。
具体地，每个谐振频率调节电路中可以包括多个不同大小的电容器件，通过将不同电容容量的电容接入电路，以获得不同谐振频率，进一步获得不同的谐振频段。
另外，还可以通过设置多个馈点，通过使用开关将射频信号和接地信号切换至不同的馈点，获得不同的谐振，满足了多频段的使用需求。
在上述任一项技术方案中，优选地，调节模块包括可调节电容，可调节电容用于根据接收到的控制信号控制调节可调节电容的容量，以调节谐振频率。
在该技术方案中，设置可调节电容代替多置开关，通过调整容量大小，与电感等元器件配合，实现电路中不同频率的共振。
具体地，可调电容，多为2至4连，连接至天线电路中时，可实现本振回路的频率调节。
另外，除了馈电线和调节模块的调节器件，馈入区不允许放置其他金属走线与器件。
在上述任一项技术方案中，优选地，还包括：射频收发区域，设置于相对馈入区远离第一天线辐射区的一侧，射频收发区域内设置有射频收发电路，射频收发电路连接至馈点。
在该技术方案中，通过设置馈入区，将第一天线辐射区与射频收发区域进行分隔，在射频收发区域内设置射频收发电路，并将射频收发电路接入馈点，从而实现了有源电信号与射频信号之间的转换，从而通过天线装置进行无线接收与无线传输。
具体地，通过馈入区将第一天线辐射区域与射频收发区域进行分隔，一方面，能够防止电路板的主电路对天线信号造成干扰，另一方面，射频收发区域还包括终端的其它功能电路，功能电路的金属器件和金属走线会连成一体，相较第一天线辐射区而言形成大面积的金属参照体，称作主“地”，通过区域分隔，使金属参照体接地性能更优。
在上述任一项技术方案中，优选地，馈入区的长度大于或等于30mm；馈入区的宽度大于或等于2mm。
在该技术方案中，通过将馈入区的长度设置为大于或等于30mm，宽度大于或等于2mm，一方面能够实现电路板上天线辐射区与射频收发区域的隔离，另一方面方便了馈电线与调节电路的布局走线，也实现了将天线电路设置于PCB板上的设置方式。
在上述任一项技术方案中，优选地，第二天线辐射区设置有连接部，连接部用于将第一天线辐射区与第二天线辐射区连接，以形成天线装置的辐射体，其中，连接部包括金属弹片与螺钉中的任意一种。
在该技术方案中，通过在金属壳体上设置第二天线辐射区，第二天线辐射区与电路板上的第一天线辐射区相对设置，并且在第二天线辐射区上设置金属弹片或螺钉，以与第一天线辐射区上对应位置的亮铜进行连接，实现了第一天线辐射区与第二天线辐射区的导通，增加了天线辐射的面积，从而进一步提升天线装置的射频工作效率，同时避免了金属壳体对射频信号造成干涉。
在上述任一项技术方案中，优选地，金属接地区设置有连接部，连接部用于将金属接地区接入印刷电路板的地，其中，印刷电路板的地设置于射频收发区域内。
在该技术方案中，终端壳体与PCB板可以分成天线辐射部与接地部两部分，终端壳体通过设置的微缝系，将壳体分隔为上部的第二天线辐射区和下部的金属接地区，通过在金属接地区上设置金属弹片，实现射频收发区域接地，通过改善终端的接地性能，达到提升射频性能的目的。
在上述任一项技术方案中，优选地，微缝系包括金属介质微缝与至少两条非金属介质微缝；金属介质微缝的宽度小于1.5mm；非金属介质微缝的宽度小于0.6mm。
在该技术方案中，微缝系可以包括多个微缝，其中，至少包括一条金属介质微缝和两条非金属介质微缝，金属介质微缝的宽度小于1.5mm，非金属介质的微缝小于0.6mm，一方面，通过减小微缝的宽度，在外观上很难辨认微缝系，提升了终端外观的美观性，另一方面，通过设置至少两条非金属介质，实现了第二天线辐射区域与金属接地区的隔离，防止了金属壳体对天线装置性能的影响。
在上述任一项技术方案中，优选地，金属壳体为终端的后壳、中框和电池盖中的至少一种。
在该技术方案中，金属壳体可以为终端的前壳、终端的后壳以及终端的电池盖，微缝系横向贯穿金属壳体，终端的后壳还包括金属中框，以进一步延伸至中框位置，从而进一步增加了天线辐射面积，以提升天线装置的性能。
根据本发明第二方面，还提出了一种终端，包括上述任一项技术方案所述的天线装置，因此，该终端包括上述任一项技术方案所述的天线装置的技术效果，在此不再赘述。
通过以上技术方案，在印刷电路板的指定区域设置第一天线辐射区，并在第一天线辐射区内设置天线电路，在第一天线辐射区的相邻区域设置馈入区，通过馈入区将电路板分隔成第一天线辐射区与接地区，在馈入区内分别设置馈点与调节模块，通过调节模块能够调节天线装置的谐振频率，以满足不同频段的通信需求，与将天线电路蚀刻在塑胶件上的方式相比，不需要增加天线走线，并且能够节省终端的内部空间，降低了终端的生产成本，并且通过设置调节模块，能够拓宽天线的谐振频率，从而提升天线的辐射性能，另外，通过在终端壳体上设置微缝系，并且微缝系与馈入区在纵向具有重合区域，并将金属壳体分隔成第二天线辐射区与金属接地区，一方面，将天线辐射区与接地区进行分隔，有益于优化天线装置的辐射性能，另一方面使用微缝系代替三段式金属后壳结构，也提升了终端外壳的美观性。
 附图说明
图1示出了根据本发明的一个实施例的天线装置中的印刷电路板的示意图；
图2示出了根据本发明的一个实施例的天线装置中的终端壳体的示意图；
图3示出了图2中A处的局部示意图；
图4示出了根据本发明的实施例的终端的示意框图；
图5示出了根据本发明的一个实施例的天线装置的天线回波损耗示意图；
图6示出了根据本发明的另一个实施例的天线装置的天线回波损耗示意图。
具体实施方式
为了能够更清楚地理解本发明的上述目的、特征和优点，下面结合附图和具体实施方式对本发明进行进一步的详细描述。需要说明的是，在不冲突的情况下，本申请的实施例及实施例中的特征可以相互组合。
在下面的描述中阐述了很多具体细节以便于充分理解本发明，但是，本发明还可以采用第三方不同于在此描述的第三方方式来实施，因此，本发明的保护范围并不受下面公开的具体实施例的限制。
图1和图2分别示出了根据本发明的一个实施例的天线装置中的印刷电路板的示意图和终端壳体的示意图。
如图1和图2所示，根据本发明的一个实施例的天线装置100，包括：第一天线辐射区102，设置于印刷电路板的指定区域，第一天线辐射区102内设置有天线电路，天线电路用于发送或接收天线信号；馈入区104，设置于印刷电路板上，并与第一天线辐射区102相邻，馈入区104内设置有馈点和调节模块，馈点用于馈入天线信号，调节模块通过馈点接入天线电路，调节模块用于调节天线装置的谐振频率；微缝系106，设置于终端的金属壳体上与馈入区104对应的区域，微缝系106用于将金属壳体分隔成第二天线辐射区108与金属接地区110。
在该技术方案中，如图1所示，在印刷电路板的指定区域设置第一天线辐射区102，并在第一天线辐射区102内设置天线电路，在第一天线辐射区102的相邻区域设置馈入区104，通过馈入区104将电路板分隔成第一天线辐射区102与接地区，在馈入区104内分别设置馈点与调节模块，通过调节模块能够调节天线装置的谐振频率，以满足不同频段的通信需求，与将天线电路蚀刻在塑胶件上的方式相比，不需要增加天线走线，并且能够节省终端的内部空间，降低终端的生产成本，并且通过设置调节模块，能够拓宽天线的谐振频率，从而提升天线的辐射性能，
如图2所示，通过在终端壳体上设置微缝系106，并且微缝系106与馈入区104在纵向具有重合区域，并将金属壳体分隔成第二天线辐射区108与金属接地区110，一方面，将天线辐射区与接地区进行分隔，有益于优化天线装置的辐射性能，另一方面使用微缝系106代替三段式金属后壳结构，也提升了终端外壳的美观性。
具体地，馈入区104可以横向设置，在电路板上馈入区104的右侧设置有终端电路，以实现天线电路接地。
在上述技术方案中，优选地，调节模块包括单刀多置开关，单刀多置开关包括固定端和选择端，固定端连接至馈点，选择端用于根据接收到的控制信号控制接入多个调节电路中的任意一个。
在该技术方案中，调节模块可以是单刀多置开关，单刀多置开关包括固定端与旋转端，即不动端与动端，不动端连接至馈点，选择端连接至多个谐振频率调节电路中的任意一个，通过动端的切换开关切换连接至不同的调节电路，可以获得不同的谐振频段，从而满足不同频段的通信需求。
具体地，每个谐振频率调节电路中可以包括多个不同大小的电容器件，通过将不同电容容量的电容接入电路，以获得不同谐振频率，进一步获得不同的谐振频段。
另外，还可以通过设置多个馈点，通过使用开关将射频信号和接地信号切换至不同的馈点，获得不同的谐振，满足了多频段的使用需求。
在上述任一项技术方案中，优选地，调节模块包括可调节电容，可调节电容用于根据接收到的控制信号控制调节可调节电容的容量，以调节谐振频率。
在该技术方案中，设置可调节电容代替多置开关，通过调整容量大小，与电感等元器件配合，实现电路中不同频率的共振。
具体地，可调结电容多为2至4连，连接至天线电路中时，可实现本振回路的频率调节。
另外，除了馈电线和调节模块的调节器件，馈入区104不允许放置其他金属走线与器件。
在上述任一项技术方案中，优选地，射频收发区域112，设置于相对馈入区104远离第一天线辐射区102的一侧，射频收发区域112内设置有射频收发电路，射频收发电路连接至馈点。
在该技术方案中，通过设置馈入区104，将第一天线辐射区102与射频收发区域112进行分隔，在射频收发区域112内设置射频收发电路，并将射频收发电路接入馈点，从而实现了有源电信号与射频信号之间的转换，从而通过天线装置进行无线接收与无线传输。
具体地，通过馈入区104将第一天线辐射区102域与射频收发区域112进行分隔，一方面，能够防止电路板的主电路对天线信号造成干扰，另一方面，射频收发区域112还包括终端的其它功能电路，功能电路的金属器件和金属走线会连成一体，相较第一天线辐射区102而言形成大面积的金属参照体，称作主“地”，通过区域分隔，使金属参照体接地性能更优。
在上述任一项技术方案中，优选地，馈入区104的长度大于或等于30mm；馈入区104的宽度大于或等于2mm。
在该技术方案中，通过将馈入区104的长度设置为大于或等于30mm，宽度大于或等于2mm，一方面能够实现电路板上天线辐射区与射频收发区域112的隔离，另一方面方便了馈电线与调节电路的布局走线，也实现了将天线电路设置于PCB板上的设置方式。
在上述任一项技术方案中，优选地，第二天线辐射区108设置有连接部，连接部用于将第一天线辐射区102与第二天线辐射区108连接，以形成天线装置的辐射体，其中，连接部包括金属弹片与螺钉中的任意一种。
在该技术方案中，通过在金属壳体上设置第二天线辐射区108，第二天线辐射区108与电路板上的第一天线辐射区102相对设置，并且在第二天线辐射区108上设置金属弹片或螺钉，以与第一天线辐射区102上对应位置的亮铜进行连接，实现了第一天线辐射区102与第二天线辐射区108的导通，增加了天线辐射的面积，从而进一步提升天线装置的射频工作效率，同时避免了金属壳体对射频信号造成干涉。
在上述任一项技术方案中，优选地，金属接地区110设置有连接部，连接部用于将金属接地区110接入印刷电路板的地，其中，印刷电路板的地设置于射频收发区域112内。
在该技术方案中，终端壳体与PCB板可以分成天线辐射部与接地部两部分，终端壳体通过设置的微缝系106，将壳体分隔为上部的第二天线辐射区108和下部的金属接地区110，通过在金属接地区110上设置金属弹片，实现射频收发区域112接地，通过改善终端的接地性能，达到提升射频性能的目的。
如图3所示，在上述任一项技术方案中，优选地，微缝系106包括金属介质微缝与至少两条非金属介质微缝；金属介质微缝的宽度小于1.5mm；非金属介质微缝的宽度小于0.6mm。
在该技术方案中，微缝系106可以包括多个微缝，其中，至少包括一条金属介质微缝和两条非金属介质微缝，金属介质微缝的宽度小于1.5mm，非金属介质的微缝小于0.6mm，一方面，通过减小微缝的宽度，在外观上很难辨认微缝系106，提升了终端外观的美观性，另一方面，通过设置至少两条非金属介质，实现了第二天线辐射区108域与金属接地区110的隔离，防止了金属壳体对天线装置性能的影响。
在上述任一项技术方案中，优选地，金属壳体为终端的后壳、中框和电池盖中的至少一种。
在该技术方案中，金属壳体可以为终端的前壳、终端的后壳以及终端的电池盖，微缝系106横向贯穿金属壳体，终端的后壳还包括金属中框，以进一步延伸至中框位置，从而进一步增加了天线辐射面积，以提升天线装置的性能。
图4示出了根据本发明的实施例的终端的示意框图。
如图4所示，根据本发明的实施例的终端200，包括上述任一项技术方案所述的天线装置100，因此，该终端200包括上述任一项技术方案所述的天线装置100的技术效果，在此不再赘述。
如图5和图6所示，图5和图6分别示出了调节模块处于不同状态时的天线装置对应的回波损耗参数，其中，纵坐标示出了回波损耗参数，横坐标示出了谐振频率，由图5和图6可知，在调节模块处于不同状态时，天线装置的谐振频率不同，从而能够满足不同频段的通信需求。
具体地，调节模块包括但不限于以下三种实施例。
实施例一：
调节模块可以是单刀多置开关，单刀多置开关包括固定端与旋转端，即不动端与动端，不动端连接至馈点，选择端连接至多个谐振频率调节电路中的任意一个，通过动端的切换开关切换连接至不同的调节电路，可以获得不同的谐振频段，从而满足不同频段的通信需求。
实施例二：
通过设置多个馈点，使用开关将射频信号和接地信号切换至不同的馈点，获得不同的谐振，满足了多频段的使用需求，通过射频信号和接地信号组合成更多的谐振状态，满足了单谐振无法覆盖的带宽需求。
实施例三：
设置可调节电容代替多置开关，通过调整容量大小，与电感等元器件配合，实现电路中不同频率的共振。
以上结合附图详细说明了本发明的技术方案，考虑到相关技术中如何的技术问题，本发明提出了一种新的天线装置，与将天线电路蚀刻在塑胶件上的方式相比，不需要增加天线走线，并且能够节省终端的内部空间，降低了终端的生产成本，并且通过设置调节模块，能够拓宽天线的谐振频率，从而提升天线的辐射性能，另外，通过在终端壳体上设置微缝系，并且微缝系与馈入区在纵向具有重合区域，并将金属壳体分隔成第二天线辐射区与金属接地区，一方面，将天线辐射区与接地区进行分隔，有益于优化天线装置的辐射性能，另一方面使用微缝系代替三段式金属后壳结构，也提升了终端外壳的美观性。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种天线装置，适用于终端，其特征在于，包括：
    第一天线辐射区，设置于印刷电路板的指定区域，所述第一天线辐射区内设置有天线电路，所述天线电路用于发送或接收天线信号；
    馈入区，设置于所述印刷电路板上，并与所述第一天线辐射区相邻，所述馈入区内设置有馈点和调节模块，所述馈点用于馈入所述天线信号，所述调节模块通过所述馈点接入所述天线电路，所述调节模块用于调节所述天线装置的谐振频率；
    微缝系，设置于所述终端的金属壳体上与所述馈入区对应的区域，所述微缝系用于将所述金属壳体分隔成第二天线辐射区与金属接地区。
  2. 根据权利要求1所述的天线装置，其特征在于，
    所述调节模块包括单刀多置开关，所述单刀多置开关包括固定端和选择端，所述固定端连接至所述馈点，所述选择端用于根据接收到的控制信号控制接入多个调节电路中的任意一个。
  3. 根据权利要求1所述的天线装置，其特征在于，
    所述调节模块包括可调节电容，所述可调节电容用于根据接收到的控制信号控制调节所述可调节电容的容量，以调节所述谐振频率。
  4. 根据权利要求2或3所述的天线装置，其特征在于，还包括：
    射频收发区域，设置于相对所述馈入区远离所述第一天线辐射区的一侧，所述射频收发区域内设置有射频收发电路，所述射频收发电路连接至所述馈点。
  5. 根据权利要求1所述的天线装置，其特征在于，
    所述馈入区的长度大于或等于30mm；
    所述馈入区的宽度大于或等于2mm。
  6. 根据权利要求1所述的天线装置，其特征在于，
    所述第二天线辐射区设置有连接部，所述连接部用于将所述第一天线辐射区与所述第二天线辐射区连接，以形成所述天线装置的辐射体，
    其中，所述连接部包括金属弹片与螺钉中的任意一种。
  7. 根据权利要求6所述的天线装置，其特征在于，
    所述金属接地区设置有所述连接部，所述连接部用于将所述金属接地区接入所述印刷电路板的地，
    其中，所述印刷电路板的地设置于所述射频收发区域内。
  8. 根据权利要求1所述的天线装置，其特征在于，
    所述微缝系包括金属介质微缝与至少两条非金属介质微缝；
    所述金属介质微缝的宽度小于1.5mm；
    所述非金属介质微缝的宽度小于0.6mm。
  9. 根据权利要求1至8中任一项所述的天线装置，其特征在于，所述金属壳体为所述终端的前壳、后壳和电池盖中的至少一种。
  10. 一种终端，其特征在于，包括：如权利要求1至9中任一项所述的天线装置。
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