CN109509971A - mobile device - Google Patents
mobile device Download PDFInfo
- Publication number
- CN109509971A CN109509971A CN201710830605.7A CN201710830605A CN109509971A CN 109509971 A CN109509971 A CN 109509971A CN 201710830605 A CN201710830605 A CN 201710830605A CN 109509971 A CN109509971 A CN 109509971A
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- China
- Prior art keywords
- section
- irradiation unit
- mobile device
- antenna element
- path
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- 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
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
Landscapes
- Support Of Aerials (AREA)
Abstract
The invention relates to a mobile device which comprises a substrate, a first radiation part, a second radiation part and a conductive through hole. The first radiation part is arranged on the first surface of the substrate and is provided with a feed-in point. The second radiation part is arranged on the second surface of the substrate and is provided with a first grounding point and a second grounding point. The first radiation part is electrically connected with the second radiation part. The first radiating portion and the second radiating portion form an antenna element. The antenna element operates in a first frequency band via a first path extending from the feed point to a first ground point and operates in a second frequency band via a second path extending from the feed point to a second ground point. The second path is used for adjusting the impedance matching of the antenna element in the first frequency band. The invention can improve the radiation efficiency of the antenna element and is beneficial to improving the wireless communication quality of the mobile device.
Description
Technical field
The present invention relates to a kind of mobile device more particularly to a kind of mobile devices including antenna element.
Background technique
It is more and more to move since metal shell has many advantages, such as that intensity is high, heat dissipation is good and increases design
Dynamic device (for example, tablet computer, laptop, mobile phone) uses the shell of metal material.However, the shell institute of mobile device
The metal environment of formation often influences the efficiency of antenna element.For example, the metal shell and antenna element of mobile device
Between coupling effect can form equivalent capacity, and be formed by equivalent capacity and frequently can lead to the radiation efficiency of antenna element
It reduces, to reduce the radio communication quality of mobile device.
Summary of the invention
The present invention provides a kind of mobile device, and antenna element can be by first path and the second path operations in the first frequency
Section and the second frequency range, and the impedance matching under the first frequency range can be adjusted by the second path.Whereby, antenna element can be promoted
Radiation efficiency, and facilitate promoted mobile device radio communication quality.
Mobile device of the invention, including substrate, the first irradiation unit, the second irradiation unit and conductive through hole.Substrate includes
Opposite first surface and second surface.First irradiation unit is arranged in first surface, and has load point.The setting of second irradiation unit
In second surface, and there is the first grounding point and the second grounding point.Conductive through hole is through the first irradiation unit, substrate and the second radiation
Portion, and it is electrically connected the first irradiation unit and the second irradiation unit.First irradiation unit and the second irradiation unit form antenna element.In addition,
Antenna element is operated by extending to the first path of the first grounding point from load point in the first frequency range, and by prolonging from load point
The second path operations of the second grounding point are extended in the second frequency range.Furthermore the second path is to adjust antenna element in the first frequency
The impedance matching of section.
Antenna element is formed using the first irradiation unit and the second irradiation unit based on above-mentioned, of the invention mobile device.This
Outside, antenna element can be by first path and the second path operations in the first frequency range and the second frequency range, and can pass through the second path
Adjust the impedance matching under the first frequency range.Whereby, the radiation efficiency of antenna element will can be promoted, and helps to promote mobile dress
The radio communication quality set.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is detailed to cooperate attached drawing to make
Carefully it is described as follows.
Detailed description of the invention
Figure 1A is the schematic diagram according to the mobile device of one embodiment of the invention；
Figure 1B is the first irradiation unit to explanatory diagram 1A in the configuration schematic diagram of substrate；
Fig. 1 C is the perspective view to the mobile device of explanatory diagram 1A；
Fig. 2 is the perspective view according to the mobile device of another embodiment of the present invention；
Fig. 3 is the perspective view according to the mobile device of further embodiment of this invention；
Fig. 4 is reflection coefficient (S11) figure according to the antenna element of one embodiment of the invention；
Fig. 5 is the Smith chart according to the antenna element of one embodiment of the invention；
Fig. 6 is the appearance diagram to the mobile device of explanatory diagram 1A；
Fig. 7 is the diagrammatic cross-section to the mobile device of explanatory diagram 1A.
Description of symbols:
100,200,300: mobile device
110: substrate
112: second surface
120,220: the first irradiation unit
130: the second irradiation units
140: conductive through hole
150: earth element
160: load-carrying unit
170: metal shell
10,20,30: antenna element
101: first path
102: the second paths
GP11: the first grounding point
GP12: the second grounding point
111: first surface
FP1: load point
201,320: coupling spacing
310: extending element
601: plastic cement frame
602: display panel
610: the first housing
620: the second housing
Specific embodiment
Figure 1A is according to the schematic diagram of the mobile device of one embodiment of the invention, and Figure 1B is first to explanatory diagram 1A
Irradiation unit is in the configuration schematic diagram of substrate.As shown in Figure 1A and Figure 1B, mobile device 100 includes substrate 110, and substrate 110 wraps
Include opposite first surface 111 and second surface 112.Mobile device 100 further includes the first irradiation unit 120, the second irradiation unit 130
With conductive through hole 140.
As shown in Figure 1B, the first surface 111 of substrate 110 is arranged in the first irradiation unit 120, and the first irradiation unit 120 has
There is load point FP1.As shown in Figure 1A, the second surface 112 of substrate 110, and the second irradiation unit is arranged in the second irradiation unit 130
130 have the first grounding point GP11 and the second grounding point GP12.In addition, as shown in Figure 1A and Figure 1B, conductive through hole 140 is through the
One irradiation unit 120, substrate 110 and the second irradiation unit 130, and conductive through hole 140 is electrically connected the first irradiation unit 120 and the second spoke
Penetrate portion 130.
First irradiation unit 120 and the second irradiation unit 130 can form antenna element 10.In addition, antenna element 10 can pass through feedback
Access point FP1 receives the FD feed of the transceiver (not showing) come in self-moving device 100.For example, antenna element 10 can lead to
It crosses coaxial cable (not showing) and is electrically connected to transceiver.Wherein, the inner conductor of coaxial cable is electrically connected to load point
FP1, and the first grounding point GP11 and the second grounding point GP12 of the outer conductor of coaxial cable and antenna element 10 are electrically connected
System ground (not showing) into mobile device 100.
Further to seeing, antenna element 10 can form the first via that the first grounding point GP11 is extended to from load point FP1
Diameter 101, and the second path 102 that the second grounding point GP12 is extended to from load point FP1 can be formed.In the excitation of FD feed
Under, antenna element 10 can be operated by first path 101 in the first frequency range, and can be operated by the second path 102 in the second frequency
Section.It is noted that antenna element 10 other than it can cover the second frequency range by the second path 102, can also pass through
Two paths 102 adjust the impedance matching under the first frequency range.Whereby, the metal environment pair that will can be reduced in mobile device 100
Influence caused by antenna element 10, to help to promote the efficiency of antenna element 10 and the wireless communication of mobile device 100
Quality.
For example, mobile device 100 further includes earth element 150, load-carrying unit 160 and metal shell 170.Wherein,
Load-carrying unit 160 is arranged between substrate 110 and metal shell 170, and load-carrying unit 160 faces the first surface of substrate 110
111.In addition, load-carrying unit 160 is stacked on metal shell 170, and substrate 110 is stacked on load-carrying unit 160.In other words,
The antenna element 10 being arranged on substrate 110 can be stacked on metal shell 170 by load-carrying unit 160.Antenna element 10
First grounding point GP11 and the second grounding point GP12 can be electrically connected to metal shell 170, and metal-back by earth element 150
Body 170 is electrical connected with the system ground in mobile device 100.
Operationally, the second path 102 in antenna element 10 may be used to form inductive effect.For example, antenna element 10
In can be formed to form the irradiation unit (also that is, second irradiation unit 130 of the first irradiation unit 120 and part) in the second path 102
Equivalent inductance, so as to increase inductance of the antenna element 10 under the first frequency range.In this way, although antenna element 10 and gold
Belonging to the coupling effect between shell 170 will increase capacitance of the antenna element 10 under the first frequency range, and antenna element 10 still can
By being formed by the capacity effect that inductance is caused come budget metals shell 170 by the second path 102.
In other words, antenna element 10 can adjust the impedance matching under the first frequency range by the second path 102, to have
Help be promoted the radiation efficiency of antenna element 10.Whereby, antenna element 10 will can be applicable to all-metal back-cover and slim machine
In the mobile device 100 of shell design.Further, since the first grounding point GP11 and the second grounding point GP12 of antenna element 10 are all adjacent
The same side of nearly substrate 110, therefore the first grounding point GP11 and the second grounding point GP12 can pass through 150 electricity of earth element simultaneously
Property is connected to metal shell 170, so as to promote the stability that antenna element 10 is loaded onto group.
Fig. 1 C is the perspective view to the mobile device of explanatory diagram 1A, and hereinafter with reference to Fig. 1 C furtherly tomorrow
The thin portion structure of thread elements 10.As shown in Figure 1 C, the second irradiation unit 130 includes the first section to the 5th section 131~135.Its
In, the first end of the first section 131 is electrically connected the first end of the first irradiation unit 120, and the first radiation by conductive through hole 140
The second end in portion 120 has load point FP1.The first end of second section 132 is electrically connected the second end of the first section 131, and
The second end of second section 132 has the second grounding point GP12.In addition, the first irradiation unit 120, the first section 131 and the secondth area
Section 132 may be used to form the second path 102.
Third section to the 5th section 133~135 is serially connected in electric connection.Third section 133 is electrically connected the
The first end of one section 131.5th section 135 has the first grounding point GP11.In addition, the first irradiation unit 120, the first section
131 first end and third section to the 5th section 133~135 can form first path 101.In configured in one piece, third
Section 133, the second section 132 and the 5th section 135 are arranged between the first section 131 and the 4th section 134, and third section
133 face the second section 132 and the 5th section 135.In addition, the first section to the 5th section 131~135 can be, for example, one respectively
Linear metal wire.
It is noted that the first irradiation unit 120, which is separated by one with the first section 131, couples spacing, and then help to reduce
The size of antenna element 10.For example, as shown in Figure 1 C, the first irradiation unit 120 can be linear metal wire.First section
131 in substrate 110 orthographic projection can partly overlap or it is completely overlapped in the first irradiation unit 120 in the orthographic projection of substrate 110.Base
The thickness of plate 110 can form the coupling spacing between the first section 131 and the first irradiation unit 120.In addition, antenna element 10 can be
Loop aerial (loop antenna), and the resonance path in antenna element 10 can be in response to the first irradiation unit 120 and the first section
Coupling effect between 131 and be less than half wavelength.For example, the length of first path 101 is situated between in the minimum of the first frequency range
1/3 wavelength of frequency is between 1/2 wavelength, and the length in the second path 102 is situated between in 1/4 wavelength of the low-limit frequency of the second frequency range
To between 1/3 wavelength.
Fig. 2 is the perspective view according to the mobile device of another embodiment of the present invention.In comparison with Figure 1A embodiment,
Antenna element 20 in the mobile device 200 of Fig. 2 includes the first irradiation unit 220 being made of inverted L-shaped metal wire, and the firstth area
Section 131 is separated by one in the orthographic projection of substrate 110 with the first irradiation unit 220 in the orthographic projection of substrate 110 and couples spacing 201.Whereby,
It can produce coupling effect between first irradiation unit 220 and the first section 131, and then help to reduce the size of antenna element 10.
In addition, similarly with Figure 1A embodiment, the first irradiation unit 220, the first end of the first section 131 and third section
First path can be formed to the 5th section 133~135, and the first irradiation unit 220, the first section 131 can be used with the second section 132
To form the second path.Antenna element 20 can be operated by first path in the first frequency range, and can be existed by the second path operations
Second frequency range.In addition, the second path can be used to adjust impedance matching of the antenna element 20 under the first frequency range.For example, the first spoke
Inductance of the antenna element 20 under the first frequency range can be increased by penetrating portion 220, the first section 131 and the second section 132, so as to flat
The capacity effect that weighing apparatus metal shell 170 is caused.Whereby, it will can increase the radiation efficiency of antenna element 20, and help to be promoted
The radio communication quality of mobile device 200.Thin portion configuration and operation as each element in Fig. 2 embodiment have been included in Figure 1A reality
It applies in example, therefore it will not be described here.
Fig. 3 is the perspective view according to the mobile device of further embodiment of this invention.In comparison with Figure 1A embodiment,
Antenna element 30 in the mobile device 300 of Fig. 3 further includes extending element 310, and the 5th section 135 in mobile device 300
Width be respectively greater than the width of the first section to the 4th section 131~134.Specifically, extending element 310 is electrically connected the
Five sections 135, and extending element 310 is separated by one with the second section 132 and couples spacing 320.Antenna element 30 can be by from feed-in
The first path that point FP1 extends to the first grounding point GP11 is operated in the first frequency range, and can be by extending to the from load point FP1
The second path operations of two grounding point GP12 are in the second frequency range.In addition, the second path can be used to adjust antenna element 30 first
Impedance matching under frequency range, so as to promote the radiation efficiency of antenna element 30.The length of extending element 310 is less than the second frequency range
Low-limit frequency 1/4 wavelength.Furthermore extending element 310 can be used to adjust antenna element 30 in the first frequency range and the second frequency range
Under impedance matching, so as to further promote the radiation efficiency of antenna element 30.As in Fig. 3 embodiment each element it is thin
Portion's configuration has been included in Figure 1A embodiment with operation, therefore it will not be described here.
Fig. 4 is reflection coefficient (S11) figure according to the antenna element of one embodiment of the invention, and Fig. 5 is according to the present invention
The Smith chart of the antenna element of one embodiment.Wherein, Fig. 4 and Fig. 5 is the reflection coefficient to enumerate the antenna element 30 of Fig. 3
With Smith chart, and the length of substrate 110 and width may respectively be 30mm and 8mm.As shown in figure 4, antenna element 30 is covered
The first frequency range can be for example 2.4GHz, and the second frequency range that antenna element 30 is covered can be for example 5GHz.In addition, Fig. 5
The upper half and lower half are respectively the second path 102 not to be added and in the Smith chart being added under the second path 102.Such as figure
Shown in 5, antenna element 30 the impedance of 2.4GHz may be in response to the formation in the second path 102 and more close to 50 ohm.It changes
Yan Zhi, antenna element 30 can adjust the impedance matching under the first frequency range by the second path 102, to help to promote day
The radiation efficiency of thread elements 30.
Fig. 6 is the appearance diagram to the mobile device of explanatory diagram 1A.Referring to Figure 1A and Fig. 6, mobile device
100 can be for example laptop, and the metal shell 170 in mobile device 100 can be for example the metal back of laptop
Lid.Specifically, mobile device 100 further includes plastic cement frame 601, and plastic cement frame 601 surround the display in mobile device 100
Panel 602.Metal shell 170 and plastic cement frame 601 are stacked on top of each other, to form the first housing 610 of mobile device 100.In addition,
The first housing 610 of mobile device 100 can be relatively rotated with the second housing 620 by pivot.
Antenna element 10 is arranged in the first housing 610, and Fig. 6 is represented by dotted lines antenna element 10 in the first housing 610
Setting position.In other words, antenna element 10 can be applicable in the mobile device 100 with all-metal back-cover.In addition, Fig. 7 is
The diagrammatic cross-section of mobile device to explanatory diagram 1A.As shown in fig. 7, the antenna element 10 being arranged in the first housing 610
On two surfaces (also that is, first surface 111 and second surface 112) configured in substrate 170, and antenna element 10 can pass through carrying
Element 160 is stacked on the inner wall of metal shell 170.In the present embodiment, the distance between antenna element 10 and metal shell 170
It can be for example 3mm, and then may conform to the design requirement of the slim casing of mobile device 100.
In conclusion mobile device of the invention can utilize first irradiation unit and the second spoke on two surfaces that substrate is arranged in
It penetrates portion and forms antenna element.Second irradiation unit has the first grounding point and the second grounding point, and then causes antenna element that can pass through
First path and the second path operations are in the first frequency range and the second frequency range.Exist in addition, the second path can be used to adjust antenna element
The impedance matching of first frequency range, to facilitate the radiation efficiency of promotion antenna element.Whereby, antenna element will can be applicable to tool
Have in all-metal back-cover and the mobile device of slim housing design, and helps to be promoted the radio communication quality of mobile device.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Pipe present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that: its according to
So be possible to modify the technical solutions described in the foregoing embodiments, or to some or all of the technical features into
Row equivalent replacement；And these are modified or replaceed, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (10)
1. a kind of mobile device characterized by comprising
Substrate, including opposite first surface and second surface；
First irradiation unit is arranged in the first surface, and has load point；
Second irradiation unit is arranged in the second surface, and has the first grounding point and the second grounding point；And
Conductive through hole through first irradiation unit, the substrate and second irradiation unit, and is electrically connected first spoke
Portion and second irradiation unit are penetrated,
Wherein, first irradiation unit and second irradiation unit form antenna element, and the antenna element is by from the feedback
The first path that access point extends to first grounding point is operated in the first frequency range, and described by extending to from the load point
Second path operations of the second grounding point are in the second frequency range, and second path is to adjust the antenna element described
The impedance matching of one frequency range.
2. mobile device according to claim 1, which is characterized in that second irradiation unit includes:
First section, first end are electrically connected the first end of first irradiation unit, and described by the conductive through hole
The second end of one irradiation unit has the load point；And
Second section, first end is electrically connected the second end of first section, and the second end of second section has
Second grounding point, wherein first irradiation unit, first section and second section form second path.
3. mobile device according to claim 2, which is characterized in that first section is in the orthographic projection weight of the substrate
First irradiation unit is laminated in the orthographic projection of the substrate.
4. mobile device according to claim 2, which is characterized in that first section in the substrate orthographic projection with
First irradiation unit is separated by a coupling spacing in the orthographic projection of the substrate.
5. mobile device according to claim 2, which is characterized in that second irradiation unit further includes be serially connected
Three sections to the 5th section, the third section are electrically connected the first end of first section, and the 5th section has institute
State the first grounding point, and the first end of first irradiation unit, first section and the third section are to the described 5th
Section forms the first path.
6. the mobile device according to claim 5, which is characterized in that further include an extending element, wherein the extension
Element is electrically connected the 5th section, and the extending element is separated by one with second section and couples spacing.
7. mobile device according to claim 5, which is characterized in that the third section, second section with it is described
5th section be arranged between first section and the 4th section, and the third section in face of second section with
5th section.
8. mobile device according to claim 1, which is characterized in that it further include a load-carrying unit and a metal shell, and
The antenna element is stacked on the metal shell by the load-carrying unit.
9. mobile device according to claim 8, which is characterized in that further include a plastic cement frame, wherein the plastic cement side
Frame and the metal shell are stacked on top of each other to form a first housing, and the antenna element is arranged in the first housing.
10. mobile device according to claim 1, which is characterized in that the antenna element is a loop aerial, described the
The length in one path is situated between 1/3 wavelength in the low-limit frequency of first frequency range between 1/2 wavelength, and second path
Length be situated between second frequency range low-limit frequency 1/4 wavelength between 1/3 wavelength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830605.7A CN109509971A (en) | 2017-09-15 | 2017-09-15 | mobile device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710830605.7A CN109509971A (en) | 2017-09-15 | 2017-09-15 | mobile device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109509971A true CN109509971A (en) | 2019-03-22 |
Family
ID=65744736
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710830605.7A Withdrawn CN109509971A (en) | 2017-09-15 | 2017-09-15 | mobile device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109509971A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7277055B2 (en) * | 2004-04-09 | 2007-10-02 | The Furukawa Electric Co., Ltd. | Compact antenna |
| CN201608274U (en) * | 2010-01-15 | 2010-10-13 | 启碁科技股份有限公司 | Antenna structure |
| US20120019415A1 (en) * | 2010-07-22 | 2012-01-26 | Kuan-Hsueh Tseng | Wideband Antenna |
| CN104377436A (en) * | 2014-11-27 | 2015-02-25 | 上海安费诺永亿通讯电子有限公司 | All-metal laptop antenna |
| CN106856259A (en) * | 2015-12-08 | 2017-06-16 | 宏碁股份有限公司 | Electronic device |
-
2017
- 2017-09-15 CN CN201710830605.7A patent/CN109509971A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7277055B2 (en) * | 2004-04-09 | 2007-10-02 | The Furukawa Electric Co., Ltd. | Compact antenna |
| CN201608274U (en) * | 2010-01-15 | 2010-10-13 | 启碁科技股份有限公司 | Antenna structure |
| US20120019415A1 (en) * | 2010-07-22 | 2012-01-26 | Kuan-Hsueh Tseng | Wideband Antenna |
| CN104377436A (en) * | 2014-11-27 | 2015-02-25 | 上海安费诺永亿通讯电子有限公司 | All-metal laptop antenna |
| CN106856259A (en) * | 2015-12-08 | 2017-06-16 | 宏碁股份有限公司 | Electronic device |
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Application publication date: 20190322 |