CN106602227B - Electronic device - Google Patents
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- CN106602227B CN106602227B CN201510666283.8A CN201510666283A CN106602227B CN 106602227 B CN106602227 B CN 106602227B CN 201510666283 A CN201510666283 A CN 201510666283A CN 106602227 B CN106602227 B CN 106602227B
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- irradiation unit
- electronic device
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- antenna
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Abstract
A kind of electronic device.The electronic device has opposite a front side and a rear side and includes: a back-cover and an antenna structure；The back-cover is configured at the rear side；The antenna structure includes: one first irradiation unit, one second irradiation unit and a grounding parts；First irradiation unit is configured at the front side；Second irradiation unit is configured between first irradiation unit and the back-cover and connects first irradiation unit；The grounding parts are configured between first irradiation unit and the back-cover, and wherein second irradiation unit is grounded on the back-cover by the grounding parts.The present invention can make electronic device have both the appearance and good signal transmitting and receiving ability of metal-like.
Description
Technical field
The present invention relates to a kind of electronic devices, and in particular to a kind of electronic device with antenna structure.
Background technique
With the fast development of wireless communication technique, smartphone (smart phone), tablet computer (tablet
PC) and the miscellaneous mobile communications device such as notebook computer (notebook computer) constantly push away it is old go out
Newly.Manufacturer now is other than being dedicated to being promoted the operating function of mobile communications device, for mobile communications device
The requirement of design also increasingly improves, and uses the sight for attracting consumer.
For example, mobile communications device now mostly uses greatly the design with metal-like, such as back-cover or
Metal edge frame, with the uniqueness and design of highlight products.However, the radiation characteristic of antenna is easy the metal object by surrounding
The influence of body, for example, back-cover can cause screen effect to antenna and reduce the signal transmitting and receiving ability of antenna.Therefore, when mobile logical
T unit in response to design demand and when configuring back-cover, the communication quality of mobile communications device will also tend to be affected.
In other words, the design of metal-like is that mobile communications device is filled with one fashion sense, but also fills to mobile communication
Antenna Design in setting brings bigger challenge.
Accordingly, it is desirable to provide a kind of electronic device solves the above problems.
Summary of the invention
The present invention provides a kind of electronic device, and antenna structure has good signal transmitting and receiving ability.
Electronic device of the invention has opposite a front side and a rear side and including a back-cover and an antenna structure.Antenna
Structure includes one first irradiation unit, one second irradiation unit and a grounding parts.First irradiation unit is configured at front side.Second irradiation unit is matched
It is placed between the first irradiation unit and back-cover and connects the first irradiation unit.Grounding parts are configured between the first irradiation unit and back-cover,
In the second irradiation unit by grounding parts be grounded on back-cover.
The present invention also provides a kind of electronic device, which has opposite a front side and a rear side and includes: one
Back-cover, the back-cover are configured at the rear side；And an antenna structure, which includes: one first irradiation unit, first radiation
Portion is configured at the front side；One second irradiation unit, second irradiation unit are configured between first irradiation unit and the back-cover and connect
First irradiation unit；And grounding parts, the grounding parts are configured between first irradiation unit and the back-cover, wherein second spoke
It penetrates portion and is grounded on the back-cover by the grounding parts.
In one embodiment of this invention, above-mentioned antenna structure includes that an at least interconnecting piece, interconnecting piece is connected to first
Between irradiation unit and the second irradiation unit.
In one embodiment of this invention, the quantity of an above-mentioned at least interconnecting piece is two, the first irradiation unit, the second spoke
Penetrating between portion and two interconnecting pieces has a fluting, and fluting constitutes slot antenna.
In one embodiment of this invention, above-mentioned slot antenna is suitable for receiving a signal, length for slot antenna etc.
In 0.5 times of the wavelength of signal.
In one embodiment of this invention, the first above-mentioned irradiation unit, interconnecting piece and the second irradiation unit constitute inverted-F day
Line.
In one embodiment of this invention, above-mentioned inverted-F antenna is suitable for receiving a signal, a length of inverted-F antenna
Equal to 0.25 times of the wavelength of signal.
In one embodiment of this invention, above-mentioned interconnecting piece extend perpendicularly to the first irradiation unit and second radiation
The extending direction in portion.
In one embodiment of this invention, sequentially compartment of terrain arranges for the first above-mentioned irradiation unit, the second irradiation unit and back-cover.
In one embodiment of this invention, the extending direction of the first above-mentioned irradiation unit, the second irradiation unit and grounding parts is flat
Row is in the extending direction of back-cover.
In one embodiment of this invention, the second above-mentioned irradiation unit and grounding parts are coplanar.
In one embodiment of this invention, there is a spacing between above-mentioned the second irradiation unit and grounding parts.
In one embodiment of this invention, above-mentioned antenna structure includes a short, and short is connected to the second radiation
Between portion and grounding parts.
In one embodiment of this invention, above-mentioned electronic device include a cable, wherein cable have a signal wire and
One ground line, signal wire are connected to the second irradiation unit, and ground line is connected to grounding parts.
In one embodiment of this invention, above-mentioned antenna structure include an interconnecting piece, interconnecting piece be connected to grounding parts with
Between back-cover.
In one embodiment of this invention, the extension side for extending perpendicularly to grounding parts and back-cover of above-mentioned interconnecting piece
To.
In one embodiment of this invention, the first above-mentioned irradiation unit and back-cover are the appearance member of electronic device.
In one embodiment of this invention, above-mentioned electronic device includes a loudspeaker, wherein the covering of the first irradiation unit is raised
Sound device.
In one embodiment of this invention, above-mentioned electronic device has a display surface, and wherein display surface is located at front side.
In one embodiment of this invention, the material of above-mentioned back-cover includes metal.
Based on above-mentioned, in electronic device of the invention, metal back cover is located at the rear side of electronic device, and the of antenna structure
One irradiation unit be located at the front side of electronic device and farther out apart from metal back cover, therefore the signal transmitting and receiving ability of antenna structure less likely because
The shielding of metal back cover and reduce.In addition, the second irradiation unit of antenna structure connects the first irradiation unit and extends electronic device
Inside so that antenna structure have enough sizes to reach required radiation characteristic.In addition, the second irradiation unit of antenna structure
It is grounded on metal back cover by grounding parts, uses the influence for reducing metal back cover to the radiation characteristic of antenna structure.Accordingly, exist
In the case that electronic device configures metal back cover according to design demand or other design requirements, metal back cover will not influence day
The normal operation of cable architecture, so that electronic device has both the appearance and good signal transmitting and receiving ability of metal-like.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate appended attached drawing
It is described in detail below.
Detailed description of the invention
Fig. 1 is the partial perspective view of the electronic device of one embodiment of the invention.
Fig. 2 is the part-structure perspective view of the electronic device of Fig. 1.
Fig. 3 is the side view of the electronic device of Fig. 2.
Fig. 4 is painted the voltage standing wave ratio of the antenna structure of Fig. 3.
Fig. 5 is the partial top view of the antenna structure of Fig. 3.
Primary clustering symbol description:
100 electronic devices
On front side of 100a
On rear side of 100b
100c display surface
110 outline borders
120 back-covers
130 antenna structures
130a fluting
132 first irradiation units
The end 132a
134 second irradiation units
134a load point
136 grounding parts
136a grounding point
137 short
138,139 interconnecting piece
140 cables
142 signal wires
144 ground lines
150 loudspeakers
D1, D2, D3 spacing
L1, L2 length
Specific embodiment
Fig. 1 is the partial perspective view of the electronic device of one embodiment of the invention.Fig. 2 is the part knot of the electronic device of Fig. 1
Structure perspective view.Fig. 3 is the side view of the electronic device of Fig. 2.Fig. 1 to Fig. 3 is please referred to, the electronic device 100 of the present embodiment is for example
It is smartphone or other kinds of portable electric device, and there is a front side 100a, a rear side 100b and a display surface
100c, front side 100a are located at front side 100a relative to rear side 110b, display surface 100c.Electronic device 100 include an outline border 110 and
One back-cover 120, outline border 110 are configured at the periphery of electronic device 100, back-cover 120 be configured at the rear side 100b of electronic device 100 and
Cover the internal component of electronic device 100 jointly with outline border 110.The material of back-cover 120 is, for example, metal.
Electronic device 100 further includes an antenna structure 130.Antenna structure 130 includes one first irradiation unit 132, one second
Irradiation unit 134 and a grounding parts 136.First irradiation unit 132 is configured at the front side 100a of electronic device 100.Second irradiation unit 134
It is configured between the first irradiation unit 132 and back-cover 120 and connects the first irradiation unit 132.Grounding parts 136 are configured at the first irradiation unit
Between 132 and back-cover 120, the second irradiation unit 134 is grounded on back-cover 120 by grounding parts 136.Second radiation of the present embodiment
Portion 134 and grounding parts 136 are for example arranged in the same circuit board in electronic device 100, or are respectively arranged at electronic device
Various boards in 100, the present invention limit not to this.
Under above-mentioned configuration mode, since metal back cover 120 is located at the rear side 110b of electronic device 100, and day knot
First irradiation unit 132 of structure 130 be located at the front side 100a of electronic device 100 and farther out apart from metal back cover 120, therefore antenna structure
130 signal transmitting and receiving ability is less likely reduced because of the shielding of metal back cover 120.In addition, the second irradiation unit of antenna structure 130
134 the first irradiation units 132 of connection simultaneously extend the inside of electronic device 100 so that antenna structure 130 have enough sizes with
Reach required radiation characteristic.In addition, the second irradiation unit 134 of antenna structure 130 is grounded on metal back cover by grounding parts 136
120, use the influence for reducing metal back cover 120 to the radiation characteristic of antenna structure 130.Accordingly, in electronic device 100 according to appearance
Design requirement or other design requirements and in the case where configuring metal back cover 120, metal back cover 120 will not influence antenna structure
130 normal operation, so that electronic device 100 has both the appearance and good signal transmitting and receiving ability of metal-like.
Fig. 2 and Fig. 3 is please referred to, in the present embodiment, antenna structure 130 further includes two interconnecting pieces 138.Interconnecting piece 138 connects
It is connected between the first irradiation unit 132 and the second irradiation unit 134, the first irradiation unit 132, the second irradiation unit 134 and two interconnecting pieces 138
Between have one fluting 130a, fluting 130a constitute slot antenna (slot antenna).Wherein, the one of the slot antenna is long
Degree (the cornerwise length L1 for being schematically shown as fluting 130a) is equal to 0.5 times of the wavelength of the slot antenna received signal.This
Outside, the first irradiation unit 132, interconnecting piece 138 and the second irradiation unit 134 for example constitute inverted-F antenna (inverted-F
Antenna, IFA).Wherein, a length of the inverted-F antenna (is schematically shown as the end 132a by the first irradiation unit 132, connects
The path length L2 of the load point 134a of socket part 138 and the second irradiation unit 134) it is equal to the inverted-F antenna received signal
0.25 times of wavelength.
Fig. 4 is painted the voltage standing wave ratio (voltage standing wave ratio, VSWR) of the antenna structure of Fig. 3,
The middle longitudinal axis is voltage standing wave ratio, and horizontal axis is frequency (Frequency).Referring to FIG. 4, M1 and M2 meaning frequency range is corresponding to described
The low frequency modal of inverted-F antenna, and M3 and M4 meaning frequency range is the high frequency mode corresponding to the slot antenna.The Low-frequency Modes
The voltage standing wave ratio of state and high frequency mode is all lower than 3, meets the standard of the antenna of hand-hold electronic device.
Fig. 2 and Fig. 3 is please referred to, specifically, the first irradiation unit 132, the second irradiation unit 134 and back-cover 120 are filled from electronics
Setting 100 front side 100a, sequentially compartment of terrain arranges toward rear side 100b, and the second irradiation unit 134 and grounding parts 136 are coplanar, the first spoke
The extending direction (X axis) for penetrating portion 132, the second irradiation unit 134 and grounding parts 136 is parallel to the extending direction (X-axis of back-cover 120
To), and the extending direction (Z axis to) of each interconnecting piece 138 is perpendicular to the extension side of the first irradiation unit 132 and the second irradiation unit 134
To (X axis).Antenna structure 130 further includes an interconnecting piece 139 as shown in Figure 2, and interconnecting piece 139 is connected to grounding parts 136 and back
Between lid 120 so that the second irradiation unit 134 can be grounded on back-cover 120 by grounding parts 136, wherein interconnecting piece 139 prolongs
Direction (Z axis to) is stretched perpendicular to grounding parts 136 and the extending direction (X axis) of back-cover 120.
In the present embodiment, the space D 1 of the first irradiation unit 132 and the second irradiation unit 134 is, for example, 4 millimeters, and the second spoke
The space D 2 for penetrating portion 134 and back-cover 120 is, for example, 3 millimeters, to avoid metal back cover 120 is excessively close apart from antenna structure 130 and shadow
Ring the normal operation of antenna structure 130.In addition, the space D 3 of the second irradiation unit 134 and grounding parts 136 is, for example, 1.5 millimeters, with
Make antenna structure 130 that there is preferable impedance matching.In other embodiments, space D 1, space D 2 and space D 3 can be other
Appropriate value, the present invention limit not to this.
Fig. 5 is the partial top view of the antenna structure of Fig. 3.Referring to FIG. 5, second irradiation unit 134 of the present embodiment with connect
There is spacing, and antenna structure 130 further includes one be connected between the second irradiation unit 134 and grounding parts 136 between ground portion 136
Short 137.In addition, electronic device 100 (being shown in Fig. 3) includes a cable 140, cable 140 has a coaxial signal wire
142 and a ground line 144, signal wire 142 be connected to the load point 134a of the second irradiation unit 134, and be grounded 144 and be connected to and connect
The grounding point 136a in ground portion 136.To keep attached drawing more clear, short 137 and cable 140 in Fig. 5 are not illustrated in Fig. 2 and figure
In 3.
In the present embodiment, the first irradiation unit 132 and back-cover 120 are all the appearance member of electronic device 100.For example,
Electronic device 100 includes a loudspeaker 150 as shown in Figure 2, and the first irradiation unit 132 is then for the lid for covering loudspeaker 150
Body.In other embodiments, the first irradiation unit 132 can be other appearance members or non-appearance of the front side 100a of electronic device 100
Part, the present invention limit not to this.
In conclusion in electronic device of the invention, metal back cover is located at the rear side of electronic device, the of antenna structure
One irradiation unit be located at the front side of electronic device and farther out apart from metal back cover, therefore the signal transmitting and receiving ability of antenna structure less likely because
The shielding of metal back cover and reduce.In addition, the second irradiation unit of antenna structure connects the first irradiation unit and extends electronic device
Inside so that antenna structure have enough sizes to reach required radiation characteristic.In addition, the second irradiation unit of antenna structure
It is grounded on metal back cover by grounding parts, uses the influence for reducing metal back cover to the radiation characteristic of antenna structure.Accordingly, exist
In the case that electronic device configures metal back cover according to design demand or other design requirements, metal back cover will not influence day
The normal operation of cable architecture, so that electronic device has both the appearance and good signal transmitting and receiving ability of metal-like.
Although the present invention is disclosed as above with embodiment, it is not intended to limit the invention, any affiliated technology neck
Those of ordinary skill in domain should can make a little change and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention should regard subject to the range institute defender of appended claims.
Claims (16)
1. a kind of electronic device, which has opposite a front side and a rear side and includes:
One back-cover, the back-cover are configured at the rear side；And
One antenna structure, the antenna structure include:
One first irradiation unit, first irradiation unit are configured at the front side；
One second irradiation unit, second irradiation unit are configured between first irradiation unit and the back-cover and connect first radiation
Portion；And
One grounding parts, the grounding parts are configured between first irradiation unit and the back-cover, and wherein second irradiation unit is connect by this
Ground portion and be grounded on the back-cover；
Wherein sequentially compartment of terrain arranges from the front side toward the rear side for first irradiation unit, second irradiation unit and the back-cover；
Wherein the antenna structure include an at least first connecting portion, the first connecting portion be connected to first irradiation unit and this second
Between irradiation unit；And
Wherein first irradiation unit, the first connecting portion and second irradiation unit constitute inverted-F antenna.
2. electronic device as described in claim 1, wherein an at least first connecting portion is two first connecting portions, this first
There is a fluting, which constitutes slot antenna between irradiation unit, second irradiation unit and two first connecting portions.
3. electronic device as claimed in claim 2, wherein the slot antenna is suitable for receiving a signal, and the one of the slot antenna is long
Degree is equal to 0.5 times of the wavelength of the signal.
4. electronic device as described in claim 1, wherein the inverted-F antenna is suitable for receiving a signal, the one of the inverted-F antenna
Length is equal to 0.25 times of the wavelength of the signal.
5. electronic device as described in claim 1, wherein the first connecting portion extends perpendicularly to first irradiation unit
And the extending direction of second irradiation unit.
6. electronic device as described in claim 1, the wherein extension of first irradiation unit, second irradiation unit and the grounding parts
It is oriented parallel to the extending direction of the back-cover.
7. electronic device as described in claim 1, wherein second irradiation unit and the grounding parts are coplanar.
8. electronic device as described in claim 1 wherein has a spacing between second irradiation unit and the grounding parts.
9. electronic device as described in claim 1, wherein the antenna structure includes a short, the short be connected to this
Between two irradiation units and the grounding parts.
10. electronic device as described in claim 1, including a cable, wherein the cable has a signal wire and a ground line,
The signal wire is connected to second irradiation unit, which is connected to the grounding parts.
11. electronic device as described in claim 1, wherein the antenna structure includes a second connecting portion, the second connecting portion
It is connected between the grounding parts and the back-cover.
12. electronic device as claimed in claim 11, wherein the second connecting portion extend perpendicularly to the grounding parts and
The extending direction of the back-cover.
13. electronic device as described in claim 1, wherein first irradiation unit and the back-cover are the appearance of the electronic device
Part.
14. electronic device as described in claim 1, including a loudspeaker, wherein first irradiation unit covers the loudspeaker.
15. electronic device as described in claim 1 has a display surface, wherein the display surface is located at the front side.
16. electronic device as described in claim 1, wherein the material of the back-cover includes metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666283.8A CN106602227B (en) | 2015-10-15 | 2015-10-15 | Electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510666283.8A CN106602227B (en) | 2015-10-15 | 2015-10-15 | Electronic device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106602227A CN106602227A (en) | 2017-04-26 |
| CN106602227B true CN106602227B (en) | 2019-06-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510666283.8A Active CN106602227B (en) | 2015-10-15 | 2015-10-15 | Electronic device |
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| Country | Link |
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| CN (1) | CN106602227B (en) |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7911387B2 (en) * | 2007-06-21 | 2011-03-22 | Apple Inc. | Handheld electronic device antennas |
| US9093752B2 (en) * | 2013-03-08 | 2015-07-28 | Apple Inc. | Electronic device with capacitively loaded antenna |
| CN104466354B (en) * | 2013-09-18 | 2019-06-18 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device with the antenna structure |
| KR102081392B1 (en) * | 2013-11-04 | 2020-02-25 | 삼성전자주식회사 | An electronic device including an antenna apparatus |
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| Publication number | Publication date |
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| CN106602227A (en) | 2017-04-26 |
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