CN107785651A - Electronic apparatus - Google Patents
Electronic apparatus Download PDFInfo
- Publication number
- CN107785651A CN107785651A CN201610785854.4A CN201610785854A CN107785651A CN 107785651 A CN107785651 A CN 107785651A CN 201610785854 A CN201610785854 A CN 201610785854A CN 107785651 A CN107785651 A CN 107785651A
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- China
- Prior art keywords
- irradiation unit
- antenna element
- electronic apparatus
- section
- frequency range
- Prior art date
- 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
-
- 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
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0225—Rotatable telephones, i.e. the body parts pivoting to an open position around an axis perpendicular to the plane they define in closed position
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
Abstract
The present invention provides a kind of electronic apparatus, including ground plane and antenna element.Antenna element is operated in the first frequency range by the first resonance path, and is operated by the second resonance path in the second frequency range.Antenna element includes the first irradiation unit and the second irradiation unit.The first end of first irradiation unit has load point, and the second end of the first irradiation unit is electrically connected to ground plane.First irradiation unit forms the first resonance path from load point to ground plane.Second irradiation unit is separated by one with the first irradiation unit and couples spacing, and the second irradiation unit is electrically not attached to ground plane.Second irradiation unit forms the second resonance path, and the length of the second resonance path is 1 times of wavelength of the low-limit frequency of the second frequency range.
Description
Technical field
The present invention relates to a kind of electronic apparatus, more particularly to a kind of electronic apparatus including antenna element.
Background technology
In recent years, the electronic apparatus (for example, tablet personal computer, notebook computer) with metal-like is by consumer
Favor.Therefore, electronic apparatus is provided with the housing of metal material mostly, with the uniqueness of highlight products and appearance design.
However, antenna element in electronic apparatus tends to be influenceed by the metal object of surrounding, and then reduce mobile electricity
The communication quality of sub-device.For example, so that it may for the notebook computer of turn over 360 deg, when two machines in notebook computer
When body phase is to turn over 360 deg, the low-frequency resonance mode of antenna element is often destroyed by the metal shell of two bodies, and day
The radiation efficiency of kind of thread elements is often destroyed by mode and significantly decayed.
The content of the invention
The present invention provides a kind of electronic apparatus, the second irradiation unit and the electrical not phase of ground plane in its antenna element
Even, so as to avoid the low-frequency resonance mode of antenna element from being destroyed by the metal shell of electronic apparatus.In addition, antenna
Element has the first independent resonance path and the second resonance path, so as to help to lift the radiation efficiency of antenna element.
The electronic apparatus of the present invention, including ground plane and antenna element.Antenna element is grasped by the first resonance path
Make in the first frequency range, and operated by the second resonance path in the second frequency range.Antenna element includes the first irradiation unit and the second spoke
Penetrate portion.The first end of first irradiation unit has load point, and the second end of the first irradiation unit is electrically connected to ground plane.First radiation
Portion forms the first resonance path from load point to ground plane.Second irradiation unit is separated by one with the first irradiation unit and couples spacing, and
Second irradiation unit is electrically not attached to ground plane.Second irradiation unit forms the second resonance path, and the length of the second resonance path
For 1 times of wavelength of the low-limit frequency of the second frequency range.
In one embodiment of this invention, the length of the first above-mentioned resonance path is the 1 of the low-limit frequency of the first frequency range
Times wavelength.
Antenna element based on above-mentioned, of the invention electronic apparatus can be formed first common by the first irradiation unit
Path operations shake in the first frequency range, and can be operated by the second resonance path that the second irradiation unit is formed in the second frequency range.This
Outside, the second irradiation unit is electrically not attached to ground plane.Therefore, the metal shell of electronic apparatus can will be reduced for antenna element
Destruction caused by low-frequency resonance mode of the part under the second frequency range, and the first independent resonance path and the second resonance path will
Contribute to the radiation efficiency of lifting antenna element.
Brief description of the drawings
Fig. 1 is the schematic diagram of the electronic apparatus according to one embodiment of the invention.
Fig. 2 is the diagrammatic cross-section of the electronic apparatus according to one embodiment of the invention.
Fig. 3 is the schematic appearance of the electronic apparatus according to one embodiment of the invention.
Fig. 4 is the schematic diagram of the electronic apparatus according to another embodiment of the present invention.
Fig. 5 is the return loss figure of the antenna element according to one embodiment of the invention.
Fig. 6 is the radiation efficiency figure of the antenna element according to one embodiment of the invention.
Description of reference numerals：
100、400：Electronic apparatus 110：Ground plane
120、420：Antenna element 130：First irradiation unit
140：Second irradiation unit 151：First section
152：Second section 153：3rd section
160：Substrate 161：Surface
171：First resonance path 172：Second resonance path
180：Datum line 101：Couple spacing
FP1：Load point 210：The first housing
220：The second housing 230：Pivot
240：Display 211：First insulation shell
221：Second insulation shell 212,222：Metal edge frame
213、223：Metal back cover 401：3rd irradiation unit
402：4th irradiation unit 403：Matching part
510、520：Curve 611,612,621,622：Radiation efficiency curve
Embodiment
To enable the features described above of the present invention and advantage to become apparent, special embodiment below, and coordinate institute's accompanying drawing to make
Describe in detail as follows.
Fig. 1 is the schematic diagram of the electronic apparatus according to one embodiment of the invention.As shown in figure 1, electronic apparatus
100 include ground plane 110 and antenna element 120, and antenna element 120 includes the first irradiation unit 130 and the second irradiation unit 140.
Wherein, antenna element 120 can be for example a flat plane antenna (planar antenna).For example, electronic apparatus 100 is gone back
Including a substrate 160, and antenna element 120 can be for example and be arranged on a surface 161 of substrate 160.
For antenna element 120, the first end of the first irradiation unit 130 has a load point FP1, and the first irradiation unit
130 the second end is electrically connected to ground plane 110.In addition, the first irradiation unit 130 can be formed from load point FP1 to ground plane 110
The first resonance path 171.On the other hand, the second irradiation unit 140 is floating in the top of the first irradiation unit 130.Specifically,
Two irradiation units 140 are separated by one with the first irradiation unit 130 and couple spacing 101, and the second irradiation unit 140 and ground plane 110 are electrical not
It is connected.In addition, the first end of the second irradiation unit 140 and the second end are respectively an open end, and two open circuits of the second irradiation unit 140
Spacing between end can form the second resonance path 172.
Operationally, antenna element 120 can receive the transceiver in electronic apparatus 100 by load point FP1
The feed-in signal of (not showing).For example, be arranged on load point FP1 on the first irradiation unit 130 can by coaxial cable,
Electroconductive elastic sheet or thimble are electrically connected to transceiver, to cause the first irradiation unit 130 to receive the feed-in from transceiver
Signal.In addition, under the exciting of feed-in signal, antenna element 120 can produce a high-frequency resonance mould by the first resonance path 171
State, and then it is operable in the first frequency range (for example, 5GHz).In addition, the length of the first resonance path 171 be about the first frequency range most
Low-frequency 1 times of wavelength.In other words, in one embodiment, the first irradiation unit 130 has all-wave length loop aerial (loop
Antenna) structure, and antenna element 120 can be by the structure operation of all-wave length loop aerial in the first frequency range.
In addition, feed-in signal can be coupled to the second irradiation unit 140 by coupling spacing 101 from the first irradiation unit 130.Cause
This, antenna element 120 can produce a low-frequency resonance mode by the second resonance path 172, and then cause antenna element 120 can
Operation is at the second frequency range (for example, 2.4GHz).Wherein, the length of the second resonance path 172, namely the length of the second irradiation unit 140
Degree, about the 1 of the low-limit frequency of the second frequency range times wavelength.In other words, antenna element 120 can be by floating in the first irradiation unit
Second irradiation unit 140 of 130 top is operated in the second frequency range.
It is noted that because the second irradiation unit 140 is floating in the top of the first irradiation unit 130, therefore the second spoke
Penetrate portion 140 be not easily susceptible to arround metal object (for example, metal shell with ground plane 110) influence.In other words, floating second
Irradiation unit 140, namely with ground plane 110 electrically disjunct second irradiation unit 140, will can avoid the low frequency of antenna element 120
Resonance mode metal object by arround is destroyed.In addition, antenna element 120 is (that is, by two independent resonance paths
One resonance path 171 and the second resonance path 172) operate in the first frequency range and the second frequency range, so as to help to lift antenna element
The radiation efficiency of part 120.
For example, Fig. 2 be according to one embodiment of the invention electronic apparatus diagrammatic cross-section, and Fig. 3 be according to
According to the schematic appearance of the electronic apparatus of one embodiment of the invention.As shown in Figure 2 and Figure 3, electronic apparatus 100 can example
A notebook computer in this way, and electronic apparatus 100 also includes the first housing 210, the second housing 220, pivot 230 and set
Put the display 240 on the first housing 210.Wherein, pivot 230 is connected between the first housing 210 and the second housing 220,
And the first housing 210 can be relatively rotated with the second housing 220 by pivot.For example, as shown in Fig. 2 working as the first housing
210 with the second housing 220 by pivot 230 and relative deploy when, electronic apparatus 100 will can switch to a notebook computer
Pattern (notebook mode).In addition, as shown in figure 3, when the first housing 210 relative to the second housing 220 rotate 360 degree when,
The first housing 210 can be superposed with the second housing 220, and then causes the changeable tablet personal computer of electronic apparatus 100
Pattern (tablet mode).
In addition, side of the first housing 210 away from pivot 230 is provided with the first insulation shell 211, and the first insulation shell
The first metal shell in the 211 linking first housings 210, such as：Metal edge frame 212 and metal back cover 213.The second housing 220
Side away from pivot 230 is provided with the second insulation shell 221, and second in the second insulation shell 221 linking second housing 220
Metal shell, such as：Metal edge frame 222 and metal back cover 223.In addition, antenna element 120 is provided in the first insulation shell
In 211 accommodation spaces formed, namely the first insulation shell 211 is around antenna element 120.Furthermore the first metal shell (example
Such as, metal edge frame 212 and metal back cover 213) and the second metal shell (such as metal edge frame 222 and metal back cover 223) electricity
Property is connected to ground plane 110.
It is worth noting that, as shown in figure 3, when the first housing 210 relative to the second housing 220 rotate 360 degree when, first
Insulation shell 211 will face the second insulation shell 221.That is, under panel computer pattern, the first insulation shell 211 and second
Insulation shell 221 will be superposed, so as to form the antenna windows of antenna element 120 (antenna window).In addition, antenna element
The second irradiation unit 140 in part 120 is floating neither electrically to connect in the top of the first irradiation unit 130, namely the second irradiation unit 140
It is connected to ground plane 110, the first metal shell and the second metal shell.Therefore, antenna element 120 can be avoided under the second frequency range
Low-frequency resonance mode, destroyed by ground plane 110, the first metal shell and the second metal shell.In addition, in tablet personal computer
Under pattern, the antenna element 120 with two independent resonance paths is also with good radiation efficiency.
Continue referring to Fig. 1.Second irradiation unit 140 is symmetrical with a datum line 180, and the first irradiation unit 130 is arranged on base
First side of directrix 180.First irradiation unit 130 includes the first section 151, the second section 152 and the 3rd section being serially connected
153, and the first section 151, the second section 152 and the 3rd section 153 are used to form the first resonance path 171.Specifically,
One section 151 and the 3rd section 153 are parallel to datum line 180, and the second section 152 is perpendicular to datum line 180.In addition, first
Section 151 has load point FP1, and the 3rd section 153 is electrically connected to ground plane 110.Second section 152 is arranged on the second spoke
Penetrate between the section 153 of portion 140 and the 3rd.In one embodiment, the first section 151, the second section 152, the 3rd section 153 and
Second irradiation unit 140 can be made up of a planar metal line respectively, and the planar metal line is linear.
Fig. 4 is the schematic diagram of the electronic apparatus according to another embodiment of the present invention.Compared to Fig. 1 embodiments, Fig. 4's
Antenna element 420 in electronic apparatus 400 also includes the 3rd irradiation unit 401, the 4th irradiation unit 402 and matching part 403.Tool
For body, the 3rd irradiation unit 401 is electrically connected with the first end of the second section 152, and the 3rd irradiation unit 401 is from datum line 180
The first side extend to the second side of datum line 180.In addition, the 3rd irradiation unit 401 is separated by with the second irradiation unit 140 couples spacing
101, and the 3rd irradiation unit 401 can form the 3rd resonance path.4th irradiation unit 402 is separated by with the 3rd irradiation unit 401 couple between
Ground plane 110 is electrically connected to away from the 101, and the 4th irradiation unit 402.In addition, the 4th irradiation unit 402 can form the 4th resonance road
Footpath.Matching part 403 is electrically connected with the second end of the second section 152.
Operationally, matching part 403 can be used for impedance matching of the regulation antenna element 420 under the first frequency range.In addition, day
The 3rd resonance path that kind of thread elements 420 can also be formed by the 3rd irradiation unit 401 is operated in the 3rd frequency range, and can pass through the 4th
The 4th resonance path that irradiation unit 402 is formed is operated in the 4th frequency range.Wherein, the length of the 3rd resonance path, namely the 3rd
1/4 times of wavelength of the length of irradiation unit 401, the about low-limit frequency of the 3rd frequency range.In addition, the length of the 4th resonance path,
That is the width of the 4th irradiation unit 402, about 1/8 times of the low-limit frequency of the 4th frequency range are to 1/4 times of wavelength.Furthermore the 3rd frequency range
Partly overlapped respectively with the first frequency range with the 4th frequency range, and then frequency range of the antenna element 420 in HFS can be improved.
For example, Fig. 5 is the return loss figure of the antenna element according to one embodiment of the invention, and wherein curve 510 is
Antenna element 420 under notebook computer pattern return loss, and curve 520 be antenna element 420 in panel computer pattern
Under return loss.As shown in figure 5, either under notebook computer pattern or panel computer pattern, antenna element 420 is all
With complete single low-frequency resonance mode, and antenna element 420 can in the frequency range of low frequency part (that is, second frequency range)
Cover 2.4GHz~2.5GHz.In other words, antenna element 420 is less susceptible to be influenceed by metal shell, therefore antenna element 420
Still there is complete single low-frequency resonance mode under panel computer pattern.In addition, pass through the first frequency range, the 3rd frequency range and the
The combination of four frequency ranges, antenna element 420 can cover 5.15GHz~5.85GHz in the frequency range of HFS.
In addition, Fig. 6 is the radiation efficiency figure of the antenna element according to one embodiment of the invention, and Fig. 6 indicates traditional pair
The radiation efficiency of frequency antenna and the antenna element of the present invention.Specifically, with reference to traditional dual-band antenna in notebook computer mould
Formula with from the point of view of the radiation efficiency curve 611 and 612 under panel computer pattern, the spoke of traditional dual-band antenna under panel computer pattern
Penetrate efficiency and significantly decay and present and significantly change.Relatively, with reference to antenna element 420 notebook computer pattern with
From the point of view of radiation efficiency curve 621 and 622 under panel computer pattern, the radiation effect of antenna element 420 under panel computer pattern
Rate does not decay significantly and is presented more smooth variation.
In summary, what the antenna element of electronic apparatus of the invention can be formed by the first irradiation unit is first common
Path operations shake in the first frequency range, and can be operated by the second resonance path that the second irradiation unit is formed in the second frequency range.This
Outside, the second irradiation unit is electrically not attached to ground plane.Therefore, ground plane can be reduced and metal shell exists for antenna element
The destruction caused by low-frequency resonance mode under second frequency range, and the first independent resonance path will help with the second resonance path
In the radiation efficiency of lifting antenna element.
Although the present invention is disclosed above with embodiment, so it is not intended to limit the present invention, any art
Middle tool usually intellectual, without departing from the spirit and scope of the present invention, when a little change and retouching can be made, thus it is of the invention
Protection domain when being defined depending on those as defined in claim.
Claims (10)
1. a kind of electronic apparatus, including：
One ground plane；
One antenna element, operated in one first frequency range by one first resonance path, and existed by the operation of one second resonance path
One second frequency range, and the antenna element includes：
One first irradiation unit, its first end have a load point, and the second end of first irradiation unit is electrically connected to the ground plane,
And first irradiation unit forms first resonance path from the load point to the ground plane；
One second irradiation unit, it is separated by one with first irradiation unit and couples spacing, and is electrically not attached to the ground plane, second spoke
The portion of penetrating forms second resonance path, and the length of second resonance path is 1 times of wavelength of the low-limit frequency of second frequency range.
2. electronic apparatus according to claim 1, it is characterised in that the length of first resonance path for this first
1 times of wavelength of the low-limit frequency of frequency range.
3. electronic apparatus according to claim 1, it is characterised in that second irradiation unit is symmetrical with a datum line,
And first irradiation unit is arranged on one first side of the datum line.
4. electronic apparatus according to claim 3, it is characterised in that first irradiation unit includes being serially connected being used in combination
In one first section, one second section and one the 3rd section that form first resonance path, first section and the 3rd area
Section is parallel to the datum line, and second section is perpendicular to the datum line.
5. electronic apparatus according to claim 4, it is characterised in that first section, the second section, the 3rd
Section and second irradiation unit are made up of a planar metal line respectively.
6. electronic apparatus according to claim 4, it is characterised in that the antenna element also includes：
One the 3rd irradiation unit, the first end of second section is electrically connected with, and the base is extended to from first side of the datum line
One second side of directrix, the 3rd irradiation unit is separated by this with second irradiation unit and couples spacing, and the 3rd irradiation unit forms one
3rd resonance path, to cause antenna element operation in one the 3rd frequency range.
7. electronic apparatus according to claim 6, it is characterised in that the antenna element also includes：
One the 4th irradiation unit, it is separated by this with the 3rd irradiation unit and couples spacing, and is electrically connected to the ground plane, and the 4th spoke
Penetrate portion and form one the 4th resonance path, to cause antenna element operation in one the 4th frequency range.
8. electronic apparatus according to claim 6, it is characterised in that the antenna element also includes：
One matching part, the second end of second section is electrically connected with, and for adjusting the antenna element under first frequency range
Impedance matching.
9. electronic apparatus according to claim 1, it is characterised in that also include：
One first housing, including one first insulation shell and one first metal shell for being electrically connected with the ground plane, and the day
Kind of thread elements is arranged in the accommodation space formed by first insulation shell.
10. electronic apparatus according to claim 9, it is characterised in that also include：
One second housing, including one second insulation shell and one second metal shell for being electrically connected with the ground plane；
One pivot, connects the first housing and the second housing, and the first housing with the second housing by the pivot and phase
To rotating, wherein when the first housing and the second housing are superposed, first insulation shell faces second insulation shell
Body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785854.4A CN107785651A (en) | 2016-08-31 | 2016-08-31 | Electronic apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610785854.4A CN107785651A (en) | 2016-08-31 | 2016-08-31 | Electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107785651A true CN107785651A (en) | 2018-03-09 |
Family
ID=61451149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610785854.4A Pending CN107785651A (en) | 2016-08-31 | 2016-08-31 | Electronic apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107785651A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193104A (en) * | 2018-11-15 | 2020-05-22 | 仁宝电脑工业股份有限公司 | Dual-band antenna device |
| CN114552177A (en) * | 2020-11-24 | 2022-05-27 | 和硕联合科技股份有限公司 | Electronic device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202259673U (en) * | 2011-10-12 | 2012-05-30 | 启碁科技股份有限公司 | Dual-frequency antenna |
| CN103779651A (en) * | 2012-10-26 | 2014-05-07 | 深圳富泰宏精密工业有限公司 | Antenna structure |
| US20140375522A1 (en) * | 2013-06-20 | 2014-12-25 | Chiun Mai Communication Systems, Inc. | Antenna structure and wireless communication device |
| CN104425899A (en) * | 2013-08-21 | 2015-03-18 | 启碁科技股份有限公司 | Multifrequency antenna |
| CN104836030A (en) * | 2014-02-12 | 2015-08-12 | 宏碁股份有限公司 | Mobile communication device |
| CN204793198U (en) * | 2015-06-16 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system and applied this antenna system's communication terminal |
-
2016
- 2016-08-31 CN CN201610785854.4A patent/CN107785651A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202259673U (en) * | 2011-10-12 | 2012-05-30 | 启碁科技股份有限公司 | Dual-frequency antenna |
| CN103779651A (en) * | 2012-10-26 | 2014-05-07 | 深圳富泰宏精密工业有限公司 | Antenna structure |
| US20140375522A1 (en) * | 2013-06-20 | 2014-12-25 | Chiun Mai Communication Systems, Inc. | Antenna structure and wireless communication device |
| CN104425899A (en) * | 2013-08-21 | 2015-03-18 | 启碁科技股份有限公司 | Multifrequency antenna |
| CN104836030A (en) * | 2014-02-12 | 2015-08-12 | 宏碁股份有限公司 | Mobile communication device |
| CN204793198U (en) * | 2015-06-16 | 2015-11-18 | 广东欧珀移动通信有限公司 | Antenna system and applied this antenna system's communication terminal |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111193104A (en) * | 2018-11-15 | 2020-05-22 | 仁宝电脑工业股份有限公司 | Dual-band antenna device |
| CN114552177A (en) * | 2020-11-24 | 2022-05-27 | 和硕联合科技股份有限公司 | Electronic device |
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Application publication date: 20180309 |
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