CN110474150A - Antenna without clearance zone - Google Patents
Antenna without clearance zone Download PDFInfo
- Publication number
- CN110474150A CN110474150A CN201910831195.7A CN201910831195A CN110474150A CN 110474150 A CN110474150 A CN 110474150A CN 201910831195 A CN201910831195 A CN 201910831195A CN 110474150 A CN110474150 A CN 110474150A
- Authority
- CN
- China
- Prior art keywords
- antenna
- branch
- grounding parts
- base plate
- clearance zone
- 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.)
- Granted
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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
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/2258—Supports; Mounting means by structural association with other equipment or articles used with computer equipment
-
- 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
- H01Q1/36—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
- H01Q1/50—Structural association of antennas with earthing switches, lead-in devices or lightning protectors
Abstract
The invention discloses a kind of antennas of no clearance zone, including metal shell, microwave base plate, protrusion grounding parts, first antenna, feeding portion, the first coupled antenna and the second coupled antenna.Microwave base plate is contained in the edge side of the inside of metal shell and contiguous metal shell.Grounding parts are protruded to be extended by the ground plane of microwave base plate towards edge side.First antenna connection protrusion grounding parts, the first branch and the second branch of first antenna are extended each other with direction away from each other, and are all parallel to edge side, first the second branch head of branching ratio.Feeding portion is extended from the position of protrusion grounding parts toward the second branch, and connects the feed side for being located at the second branch.First grounding parts of the first coupled antenna connect ground plane, and first end portion is used to couple energy by the first branch.The second grounding parts connection protrusion grounding parts of second coupled antenna, and second end portion is used to couple energy by the second branch.Inventive antenna can save the occupied space of antenna without using clearance zone.
Description
Technical field
The present invention relates to a kind of antenna, especially a kind of antenna of no clearance zone.
Background technique
Prosperity based on wireless communication technique and world-wide web, terminal installation such as notebook computer, tablet computer, one
The indispensability such as computer (all in one computer) has the function of wireless data transmission.Wireless transmission must utilize antenna element,
And the requirement for antenna performance is also higher and higher, traditionally in order to make antenna performance meet wireless specification requirement, needs to set
An antenna headroom area is set, such as vacates space in circuit board or the region without metal (or conductor) interference is specially set,
To be conducive to the performance of antenna performance.
However, the design of current terminal installation with meet visual sense of beauty, it is brief, have based on the aesthetic standards such as texture
Stream, therefore for Antenna Design then based on concealed antenna, antenna, which is hidden in casing, can not then influence terminal installation
Appearance.However, in order to achieve the purpose that more to have texture and beautiful, the common concept using metal shell as housing design.In this way,
Antenna performance is easy the shielding by metal shell and influences, and the design concept in traditional setting antenna headroom area is also difficult to
It is applied to this type product.For terminal installation, the appearance requirement of concealed antenna design requirement and metal chassis is improved
The difficulty of Antenna Design, therefore the built-in antenna with metal chassis is designed, it is the challenge for antenna research staff.
Summary of the invention
In view of the above-mentioned defects in the prior art, the object of the present invention is to provide a kind of antennas of no clearance zone, to be suitable for
Wireless terminal product with metal shell reduces the screening effect of casing, promotes antenna radiation efficiency.
The technical scheme is that such: a kind of antenna of no clearance zone, comprising:
Metal shell;
Microwave base plate keeps spacing and affixed each other with the metal shell, and it is described to be contained in the microwave base plate
The inside of metal shell and the edge side for being adjacent to the metal shell, the microwave base plate have ground plane;
Grounding parts are protruded, are located at the microwave base plate, and by the ground plane towards the edge of the metal shell
Side extends;
First antenna is located at the microwave base plate, connects the protrusion grounding parts, wherein the first antenna has first
Branch, the second branch, ground connection branch and feed side, first branch and second branch are each other with direction away from each other
Extend, first branch is all parallel to the edge side of the metal shell, first branch with second branch
Than the second branch head, wherein the ground connection branch connects the protrusion grounding parts, the feed side is located at described second point
Branch;
Feeding portion is extended toward second branch from the position of the protrusion grounding parts, and connects and be located at described second point
The feed side of branch, wherein the feeding portion and the ground connection branch are parallel to each other;
First coupled antenna, is located at the microwave base plate, and first coupled antenna has the first grounding parts and the first end
End, first grounding parts connect the ground plane, the first end portion and described first of first coupled antenna
Branch keeps the first coupling distance, to couple energy;And
Second coupled antenna, is located at the microwave base plate, and second coupled antenna has the second grounding parts and the second end
End, second grounding parts connect the protrusion grounding parts, the second end portion of second coupled antenna with it is described
Second branch keeps the second coupling distance, to couple energy.
Further, the feeding portion is the center conductor of coaxial wire.
Further, microwave base plate tool is there are four side, respectively first side, second side, third side with
Four side, the first side and the second side are relative to each other, the third side be connected to the first side with
Between the second side, the four side is connected between the first side and the second side, the 4th side
While than the third side closer to the edge side of the metal shell, the four side is parallel to the metal shell
The edge side.
Further, first branch of the first antenna extends towards the first side, the first antenna
Second branch extend towards the second side.
Further, first coupled antenna be L shape, first grounding parts of first coupled antenna with it is described
First end portion connects perpendicular to each other, and the first end portion of first coupled antenna is described with the first antenna
First branch is parallel to each other.
Further, second grounding parts of second coupled antenna are by the protrusion grounding parts towards the microwave
The second side of substrate extends, and the second end portion includes interconnecting piece and coupling part, the interconnecting piece and described second
Grounding parts connect perpendicular to each other, and the interconnecting piece is connect perpendicular to each other with the coupling part, the coupling part and described the
Second branch of one antenna is parallel to each other.
Further, first forked working of the first antenna is in 2.4GHz frequency band, the institute of the first antenna
It states the second branch, first coupled antenna and second coupled antenna and works in 5GHz frequency band.
Further, the spacing that the edge side of the microwave base plate and the metal shell is kept is 4 millimeters.
Further, the metal shell is the shell of notebook computer, and the microwave base plate connects circuit substrate, described
Circuit substrate is the screen panel of the notebook computer.
Further, the notebook computer further includes no clearance zone symmetrical antenna, the no clearance zone symmetrical antenna
Symmetrical configuration is in the no clearance zone antenna.
The advantages of technical solution provided by the present invention, is, protrudes the design of grounding parts using it to facilitate in antenna
In the case that available space is narrow, make impedance matching more preferably, promoted antenna radiation efficiency, have occupy internal body space it is few,
Antenna height is low, can be applied to the features such as at least double frequency-band wireless transmission, suitable for the wireless terminal product with metal shell,
With very high industry application value.
Detailed description of the invention
Fig. 1 is that the antenna of no clearance zone provided in an embodiment of the present invention is installed in the schematic diagram of metal shell.
Fig. 2 is that the antenna of no clearance zone provided in an embodiment of the present invention is installed in the top view of metal shell.
Fig. 3 is the signal that the antenna of no clearance zone provided in an embodiment of the present invention is installed in the metal shell of notebook computer
Figure.
Fig. 4 is the front view of the antenna of no clearance zone provided in an embodiment of the present invention.
Fig. 5 is the return loss figure of the antenna of no clearance zone provided in an embodiment of the present invention.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but not as a limitation of the invention.
Fig. 1, Fig. 2 and Fig. 3 are please referred to, Fig. 1 is that the antenna of no clearance zone provided in an embodiment of the present invention is installed in metal-back
The schematic diagram of body, Fig. 2 are that the antenna of no clearance zone provided in an embodiment of the present invention is installed in the top view of metal shell, and Fig. 3 is
The antenna of no clearance zone provided in an embodiment of the present invention is installed in the schematic diagram of the metal shell of notebook computer, notebook computer
It is equipped with the antenna 1 without clearance zone in the upside of screen panel 9, and Fig. 1 to Fig. 3 is to remove the surrounding casing of screen panel 9
To facilitate the antenna without clearance zone of the display embodiment of the present invention, the surrounding casing of screen panel 9 is nonmetallic (or non-conductor),
And the back board part of screen is then metal chassis, so that the shell of notebook computer is all all-metal.The present embodiment without headroom
The antenna 1 in area is for example for the notebook computer with metal chassis.Fig. 3 is referred again to, the notebook computer embodiment of Fig. 3 is more wrapped
No clearance zone symmetrical antenna 1a is included, the structure of the no clearance zone symmetrical antenna 1a is the antenna 1 for being symmetrical with no clearance zone, makes pen
Note type computer can use the antenna of two symmetrical configurations simultaneously, can reach better signal receiving/transmission effect using two antennas.
Then, together referring to Fig.1, referring to figure 4. shown in the antenna 1 without clearance zone thin portion structure.The antenna 1 of no clearance zone includes
Metal shell 11, microwave base plate 12, protrusion grounding parts 13, first antenna 14, feeding portion 15, the first coupled antenna 16 and second
Coupled antenna 17.Referring to Fig. 2, microwave base plate 12 and metal shell 11 keep spacing and affixed each other, and make the appearance of microwave base plate 12
It is contained in the edge side 111 of the inside of metal shell 11 and contiguous metal shell 11.When being applied to wireless network specification, above-mentioned
Away from can be as small as 4 millimeters (mm).Microwave base plate 12 has ground plane 120.Protrusion grounding parts 13 are located at microwave base plate 12, and by being grounded
The edge side 111 of face 120 towards metal shell 11 extends.First antenna 14 is located at microwave base plate 12, and grounding parts 13 are protruded in connection,
Wherein first antenna 14 has the first branch 141, the second branch 142, ground connection branch 143 and feed side 144, the first branch 141
Extended each other with direction away from each other with the second branch 142, the first branch 141 and the second branch 142 are all parallel to metal-back
The edge side 111 of body 11,141 to the second branch 142, the first branch is long, wherein ground connection branch 143 connection protrusion grounding parts 13, feedback
Enter end 144 and is located at the second branch 142.Feeding portion 15 is extended from the position of protrusion grounding parts 13 toward the second branch 142, and connection position
In the feed side 144 of the second branch 142, wherein feeding portion 15 and ground connection branch 143 are parallel to each other.First coupled antenna 16 is located at
There are the first grounding parts 161 and first end portion 162, the first grounding parts 161 to connect for microwave base plate 12, the first coupled antenna 16
Ground 120, the first end portion 162 of the first coupled antenna 16 and the first branch 141 keep the first coupling distance, to couple energy
Amount.Second coupled antenna 17 is located at microwave base plate 12, and the second coupled antenna 17 has the second grounding parts 171 and second end portion
172, grounding parts 13, the second end portion 172 of the second coupled antenna 17 and the second branch 142 are protruded in the connection of the second grounding parts 171
The second coupling distance is kept, to couple energy.
Furthermore feeding portion 15 is preferably the center conductor of a coaxial wire.Also, preferably, microwave base plate 12 has
There are four side, respectively first side 121, second side 122, third side 123 and four side 124, first sides 121
Opposite to each other with second side 122, third side 123 is connected between first side 121 and second side 122, four side
124 are connected between first side 121 and second side 122, and four side 124 is than third side 123 closer to metal shell
11 edge side 111, four side 124 are parallel to the edge side 111 of metal shell 11.First branch 141 of first antenna 14
Extend towards first side 121, the second branch 142 of first antenna 14 extends towards second side 122.Furthermore the present embodiment
The first coupled antenna 16 be, for example, L shape, the first grounding parts 161 and the first end portion 162 of the first coupled antenna 16 hang down each other
It directly connects, the first end portion 162 of the first coupled antenna 16 and the first branch 141 of first antenna 14 are parallel to each other.Second
Second grounding parts 171 of coupled antenna 17 are extended by protrusion grounding parts 13 towards the second side of microwave base plate 12 122, the second end
End 172 includes interconnecting piece 172a and coupling part 172b, and interconnecting piece 172a is connect perpendicular to each other with the second grounding parts 171, even
Socket part 172a is connect perpendicular to each other with coupling part 172b, and coupling part 172b and the second branch 142 of first antenna 14 put down each other
Row.Furthermore when metal shell 11 is the shell of a notebook computer, microwave base plate 12 can connect a circuit substrate, described
Circuit substrate can be the screen panel of notebook computer, screen panel 9 as shown in Figure 3.
Return loss figure shown in referring to figure 5., when being applied to wireless network specification, the first branch of first antenna 14
141 work in 2.4GHz frequency band, 17 work of the second branch 142, the first coupled antenna 16 and the second coupled antenna of first antenna 14
Make in 5GHz frequency band.When of length no more than 30 millimeters of microwave base plate 12, and width is under the size limitation no more than 8.5 millimeters
(i.e. four side 124 or third side 123 be long side, of length no more than 30 millimeters;First side 121 or second side 122 are
Short side, of length no more than 8.5 millimeters), and the spacing that the edge side 111 of microwave base plate 12 and metal shell 11 is kept is 4 millis
Meter Shi can reach good impedance matching, and antenna efficiency can reach 40% or more.
In conclusion the antenna without clearance zone provided by the embodiment of the present invention is applicable to have the wireless of metal shell
End product protrudes the design of grounding parts using it to help to make impedance matching in the case where antenna available space is narrow
More preferably, promoted antenna radiation efficiency, have occupy internal body space it is few, antenna height is low, can be applied at least double frequency-band without
The features such as line transmits has very high industry application value.Especially, the metal shell terminal of area wireless network is filled
It sets, with more the competitiveness in antenna product market.
Claims (10)
1. a kind of antenna of no clearance zone characterized by comprising
Metal shell;
Microwave base plate keeps spacing and affixed each other with the metal shell, and the microwave base plate is made to be contained in the metal
The inside of shell and the edge side for being adjacent to the metal shell, the microwave base plate have ground plane;
Grounding parts are protruded, are located at the microwave base plate, and prolonged by the edge side of the ground plane towards the metal shell
It stretches;
First antenna is located at the microwave base plate, connects the protrusion grounding parts, wherein the first antenna has first point
Branch, the second branch, ground connection branch and feed side, first branch are prolonged each other with direction away from each other with second branch
It stretches, first branch is all parallel to the edge side of the metal shell, first branching ratio with second branch
The second branch head, wherein the ground connection branch connects the protrusion grounding parts, the feed side is located at second branch;
Feeding portion is extended toward second branch from the position of the protrusion grounding parts, and connects and be located at second branch
The feed side, wherein the feeding portion and the ground connection branch are parallel to each other;
First coupled antenna is located at the microwave base plate, and first coupled antenna has the first grounding parts and first end portion,
First grounding parts connect the ground plane, and the first end portion and first branch of first coupled antenna are protected
The first coupling distance is held, to couple energy;And
Second coupled antenna is located at the microwave base plate, and second coupled antenna has the second grounding parts and second end portion,
Second grounding parts connect the protrusion grounding parts, the second end portion of second coupled antenna with described second point
Branch keeps the second coupling distance, to couple energy.
2. the antenna of no clearance zone according to claim 1, which is characterized in that the feeding portion is in coaxial wire
Heart conductor.
3. the antenna of no clearance zone according to claim 1, which is characterized in that the microwave base plate has there are four side,
Respectively first side, second side, third side and four side, the first side and the second side phase each other
Right, the third side is connected between the first side and the second side, and the four side is connected to described
Between a side and the second side, the four side is than the third side closer to the side of the metal shell
Edge side, the four side are parallel to the edge side of the metal shell.
4. the antenna of no clearance zone according to claim 3, which is characterized in that first branch of the first antenna
Extend towards the first side, second branch of the first antenna extends towards the second side.
5. the antenna of no clearance zone according to claim 4, which is characterized in that first coupled antenna is L shape, described
First grounding parts of first coupled antenna are connect perpendicular to each other with the first end portion, first coupled antenna
The first end portion and first branch of the first antenna are parallel to each other.
6. the antenna of no clearance zone according to claim 4, which is characterized in that described the second of second coupled antenna
Grounding parts are extended by the protrusion grounding parts towards the second side of the microwave base plate, and the second end portion includes connecting
Socket part and coupling part, the interconnecting piece are connect perpendicular to each other with second grounding parts, the interconnecting piece and the coupling part
It connects perpendicular to each other, the coupling part and second branch of the first antenna are parallel to each other.
7. the antenna of no clearance zone according to claim 1, which is characterized in that first branch of the first antenna
Work in 2.4GHz frequency band, second branch of the first antenna, first coupled antenna couple day with described second
Line works in 5GHz frequency band.
8. the antenna of no clearance zone according to claim 7, which is characterized in that the microwave base plate and the metal shell
The spacing that is kept of the edge side be 4 millimeters.
9. the antenna of no clearance zone according to claim 1, which is characterized in that the metal shell is notebook computer
Shell, the microwave base plate connect circuit substrate, and the circuit substrate is the screen panel of the notebook computer.
10. the antenna of no clearance zone according to claim 9, which is characterized in that the notebook computer is further included without net
Dead zone symmetrical antenna, the symmetrical configuration of the no clearance zone symmetrical antenna is in the no clearance zone antenna.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910831195.7A CN110474150B (en) | 2019-09-04 | 2019-09-04 | Antenna without clearance area |
Applications Claiming Priority (1)
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CN201910831195.7A CN110474150B (en) | 2019-09-04 | 2019-09-04 | Antenna without clearance area |
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CN110474150A true CN110474150A (en) | 2019-11-19 |
CN110474150B CN110474150B (en) | 2021-06-25 |
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CN201910831195.7A Active CN110474150B (en) | 2019-09-04 | 2019-09-04 | Antenna without clearance area |
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Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2706885Y (en) * | 2004-05-13 | 2005-06-29 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency aerial |
US20080258992A1 (en) * | 2007-04-17 | 2008-10-23 | Quanta Computer Inc. | Antenna unit with a parasitic coupler |
TW201021295A (en) * | 2008-11-17 | 2010-06-01 | Wistron Neweb Corp | Multi-band antenna for a wireless communication device |
CN201540961U (en) * | 2009-11-18 | 2010-08-04 | 精乘科技股份有限公司 | Improvement structure of GPS multifrequency antenna |
CN103515696A (en) * | 2012-06-19 | 2014-01-15 | 深圳富泰宏精密工业有限公司 | Antenna assembly and wireless communication device therewith |
US20140139377A1 (en) * | 2012-11-20 | 2014-05-22 | Wistron Neweb Corp. | Broadband antenna and wireless communication device including the same |
CN106025520A (en) * | 2016-04-26 | 2016-10-12 | 威海市泓淋电子有限公司 | integrated module with antenna |
CN106684526A (en) * | 2017-01-04 | 2017-05-17 | 常熟市泓博通讯技术股份有限公司 | Electronic apparatus with hybrid mode antenna |
US20170264002A1 (en) * | 2016-03-09 | 2017-09-14 | Acer Incorporated | Mobile device |
CN107293838A (en) * | 2016-03-31 | 2017-10-24 | 宏碁股份有限公司 | The communicator of antenna element with narrow ground plane clearance zone |
CN109390679A (en) * | 2017-08-03 | 2019-02-26 | 广达电脑股份有限公司 | Dual-band antenna structure |
-
2019
- 2019-09-04 CN CN201910831195.7A patent/CN110474150B/en active Active
Patent Citations (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2706885Y (en) * | 2004-05-13 | 2005-06-29 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency aerial |
US20080258992A1 (en) * | 2007-04-17 | 2008-10-23 | Quanta Computer Inc. | Antenna unit with a parasitic coupler |
TW201021295A (en) * | 2008-11-17 | 2010-06-01 | Wistron Neweb Corp | Multi-band antenna for a wireless communication device |
CN201540961U (en) * | 2009-11-18 | 2010-08-04 | 精乘科技股份有限公司 | Improvement structure of GPS multifrequency antenna |
CN103515696A (en) * | 2012-06-19 | 2014-01-15 | 深圳富泰宏精密工业有限公司 | Antenna assembly and wireless communication device therewith |
US20140139377A1 (en) * | 2012-11-20 | 2014-05-22 | Wistron Neweb Corp. | Broadband antenna and wireless communication device including the same |
US20170264002A1 (en) * | 2016-03-09 | 2017-09-14 | Acer Incorporated | Mobile device |
CN107293838A (en) * | 2016-03-31 | 2017-10-24 | 宏碁股份有限公司 | The communicator of antenna element with narrow ground plane clearance zone |
CN106025520A (en) * | 2016-04-26 | 2016-10-12 | 威海市泓淋电子有限公司 | integrated module with antenna |
CN106684526A (en) * | 2017-01-04 | 2017-05-17 | 常熟市泓博通讯技术股份有限公司 | Electronic apparatus with hybrid mode antenna |
CN109390679A (en) * | 2017-08-03 | 2019-02-26 | 广达电脑股份有限公司 | Dual-band antenna structure |
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Publication number | Publication date |
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