CN106773624A - A kind of antenna structure and all-metal wrist-watch - Google Patents
A kind of antenna structure and all-metal wrist-watch Download PDFInfo
- Publication number
- CN106773624A CN106773624A CN201611181093.8A CN201611181093A CN106773624A CN 106773624 A CN106773624 A CN 106773624A CN 201611181093 A CN201611181093 A CN 201611181093A CN 106773624 A CN106773624 A CN 106773624A
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- Prior art keywords
- top board
- antenna
- branch
- metal shell
- antenna structure
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Classifications
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- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
- G04G17/04—Mounting of electronic components
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G17/00—Structural details; Housings
- G04G17/02—Component assemblies
- G04G17/04—Mounting of electronic components
- G04G17/045—Mounting of the display
-
- 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
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Support Of Aerials (AREA)
Abstract
The invention discloses a kind of antenna structure, including metal shell, the metal shell includes top board, side wall and base plate, and the top board, side wall and base plate enclose and be set as a cavity, and the top board is provided with opening, and a slot antenna is formed with around the opening on top board.Further provide a kind of all-metal wrist-watch.Antenna structure and all-metal wrist-watch that the present invention is provided, will not only destroy the overall integrity of metal shell, and back of the body chamber slot antenna is radiated away from human body, helps to be isolated antenna with tissue.
Description
Technical field
The present invention relates to antenna technical field, more particularly to a kind of antenna structure and all-metal wrist-watch.
Background technology
With the development of mobile communication technology, amusement and life of the various electronic products to people play an important role, and
And various electronic products are gradually updated to the electronic communication product with communication function, such as intelligent watch, wherein antenna system is
One of core component of electronic communication product.
Department of Radiation is the important component of antenna system.Electronic communication product in correlation technique is by the Department of Radiation of antenna system
Located at plastic rear cover surface, because plastic rear cover will not be shielded to the radiation of antenna system, this implementation is more held
Easily.
But as consumer demand changes, the demand to electronic communication product is not only satisfied with its application function, right
In demands such as its outward appearance, texture also constantly being lifted, therefore, the communication product of metal shell is becoming increasingly popular.However, electromagnetism
Ripple can not penetrate metal, and antenna system is completely set up in metal shell, it is impossible to reach the examination criteria of antenna performance.In order to
The radiance of antenna is reached, prior art takes the method that gap is set in metal back cover to come radiation signal, this kind of mode
The moulded integrality of metal shell has been not only broken up, and because wrist-watch is directly worn on the arm of human body, in bonnet
Upper setting gap may cause damage to human body.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of isolation good, tissue is influenceed smaller and can protected
The antenna structure of metal shell integrality is held, a kind of all-metal wrist-watch is further provided.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：
A kind of antenna structure, including metal shell, the metal shell include top board, side wall and base plate, the top board, side
Wall and base plate are enclosed and are set as a cavity, and the top board is provided with opening, and a slot antenna is formed with around the opening on top board.
Another technical solution used in the present invention is：
A kind of all-metal wrist-watch, including display and above-mentioned antenna structure, the display are arranged on outside the metal
In the shell and correspondence opening is set.
The beneficial effects of the present invention are：
The inside of metal shell is a cavity, and slot antenna is set on top board, and slot antenna forms one and carries on the back chamber with cavity
Slot antenna, back of the body chamber slot antenna is excited and can produce resonance in required frequency band；Slot antenna is arranged on top board, not only
The integrality of base plate will not be destroyed, to keep the overall integrity of metal shell, and back of the body chamber slot antenna to be carried out away from human body
Radiation, while the metal sidewall and base plate of metal shell help to be isolated antenna with tissue, so as to day can be reduced
Influence of the beta radiation to tissue.
Display is arranged in metal shell and corresponding opening is set so that three side walls of display and metal shell
After there is distance, display to be arranged in metal shell respectively between three side walls, metal shell is in the region at opening
Still it is inside cavity, cavity forms back of the body chamber slot antenna with the slot antenna set around opening, to meet the day of all-metal wrist-watch
Beta radiation performance.
Brief description of the drawings
Fig. 1 is the structural representation of the antenna structure of the embodiment of the present invention one；
Fig. 2 is the circuit diagram of the match circuit of the antenna structure of the embodiment of the present invention one；
Fig. 3 is respectively at free space (FS) and arm for the antenna structure of the embodiment of the present invention one in 2.4GHz frequency ranges
S11 and efficiency chart on model (ARM)；
Fig. 4 is respectively at free space (FS) and arm mould for the antenna structure of the embodiment of the present invention one in 5GHz frequency ranges
S11 and efficiency chart in type (ARM)；
Fig. 5 is the structural representation of the antenna structure of the embodiment of the present invention two；
Fig. 6 is the structural representation of the antenna structure of the embodiment of the present invention three；
Fig. 7 is the structural representation of the all-metal wrist-watch of the embodiment of the present invention four.
Label declaration：
1st, metal shell；11st, top board；111st, it is open；112nd, the first top board；113rd, the second top board；
114th, the 3rd top board；115th, the 4th top board；12nd, side wall；2nd, slot antenna；21st, the first branch；
22nd, the second branch；23rd, the 3rd branch；3rd, antenna feed point；4th, match circuit；
5th, the first short-circuit structure；6th, the second short-circuit structure；7th, display；8th, coating.
Specific embodiment
To describe technology contents of the invention, structural feature, the objects and the effects in detail, below in conjunction with implementation method
And coordinate accompanying drawing to be explained in detail.
The design of most critical of the present invention is：Slot antenna is set on the top board of metal shell, makes slot antenna with sky
Chamber forms back of the body chamber slot antenna, and not only isolation is good, influences smaller to tissue, and can keep the complete of metal shell
Property.
Fig. 1 to Fig. 6, a kind of antenna structure, including metal shell 1 are referred to, the metal shell 1 includes top board 11, side
Wall 12 and base plate, the top board 11, side wall 12 and base plate enclose and are set as a cavity, and the top board 11 is provided with opening 111, top board 11
On 111 be formed with a slot antenna 2 around the opening.
Knowable to foregoing description, the beneficial effects of the present invention are：The inside of metal shell is a cavity, is set on top board
Slot antenna is put, slot antenna forms one and carries on the back chamber slot antenna with cavity, and back of the body chamber slot antenna is excited can be in required frequency band
Middle generation resonance；Slot antenna is arranged on top board, will not only destroy the integrality of base plate, to keep the entirety of metal shell
Integrality, and the back of the body chamber slot antenna radiated away from human body, while the metal sidewall and base plate of metal shell contribute to by
Antenna is isolated with tissue, so as to influence of the aerial radiation to tissue can be reduced.
Further, the metal shell 1 be square or rectangular structure, the top board 11 include the first top board 112,
Second top board 113 and the 3rd top board 114, first top board 112, the second top board 113 and the 3rd top board 114 are in turn connected to form
U-shaped structure.
Seen from the above description, the first top board, the second top board and the 3rd top board form U-shaped structure, Minimized USB connector and
Other mechanical buttons are arranged on the 4th side of metal shell, so as to prevent the part potato masher antenna performance such as these buttons.
Further, the slot antenna 2 includes the first branch 21, the second branch 22 and the 3rd branch 23, described first
Branch 21 is arranged on first top board 112, and second branch 22 is arranged on second top board 113, and the described 3rd
Branch 23 is arranged on the 3rd top board 114, and the first branch 21, the second branch 22 and the 3rd branch 23 are sequentially connected.
Seen from the above description, the length of slot antenna can be configured according to required resonant frequency, slot antenna
Width is configured according to the bandwidth of the frequency range, during actual design, size and required resonant frequency according to metal shell
And bandwidth, the length and width of slot antenna is set.
Further, also including antenna feed point 3, the antenna feed point 3 is arranged in second branch 22, and away from
From the center line 3-5mm of the length direction of second top board 113.
Seen from the above description, the position of distributing point contributes to the resonance to antenna in required frequency band to be adjusted,
Antenna feed point can make antenna resonance in the frequency range of 2.4GHz and 5GHz at above-mentioned position.
Further, also including match circuit 4, the match circuit 4 is arranged at the antenna feed point 3 with described second
Between branch 22.
Seen from the above description, match circuit is set, antenna efficiency is improve, antenna can be preferably met in 2.4GHz
With the efficiency requirements of 5GHz frequency ranges.
Further, also including the first short-circuit structure 5 and the second short-circuit structure 6, first short-circuit structure 5 connects described
First branch 21 and first top board 112, second short-circuit structure 6 connect the 3rd branch 23 and the 3rd top board
114。
Seen from the above description, respectively in 2.4GHz and 5GHz frequency ranges, the first short-circuit structure and the second short-circuit structure can
To change the current path of respective present position.
Further, the metal shell 1 is square or rectangular structure, and the opening 111 is arranged on the top board
11 middle part.
Seen from the above description, opening is arranged on the middle part of top board, and slot antenna is set around opening, now micro USB
Connector and other mechanical buttons should not be arranged on the 4th side of metal shell, but on the bottom of metal shell, so that
Prevent the part potato masher antenna performance such as these buttons.
Further, the metal shell 1 is cylinder, first top board 112, the second top board 113 and the 3rd top board
114 are in turn connected to form circular arc.
Seen from the above description, metal shell can according to demand be set to different shapes, and the shape of corresponding top board should
Shape according to metal shell is changed.
A kind of all-metal wrist-watch, including display 7 and above-mentioned antenna structure, the display 7 are arranged on the metal
In the shell 1 and correspondence opening 111 is set.
Seen from the above description, display is arranged in metal shell and corresponding opening is set so that three of display
After there is distance, display to be arranged in metal shell respectively between side wall and three side walls of metal shell, metal shell in
Still it is cavity in the region at opening, cavity forms back of the body chamber slot antenna with the slot antenna set around opening, with full
The antenna radiation performance of sufficient all-metal wrist-watch.
Further, also including coating 8, the coating 8 is covered in the top board 11 and display of the metal shell 1
On 7.
Seen from the above description, coating can be lucite, and the thickness of lucite is 1mm or so.
Fig. 1 to Fig. 4 is refer to, embodiments of the invention one are：
A kind of antenna structure, including metal shell 1, metal shell 1 include top board 11, side wall 12 and base plate, top board 11, side
Wall 12 and base plate enclose and are set as a cavity, and top board 11 is provided with opening 111, and the upper measurement of top board 11 is formed with a gap day around opening 111
Line 2.
Metal shell 1 can be square, cuboid, cylindrical structure or other any shapes.In the present embodiment, outside metal
Shell 1 is cuboid, and its length is 42mm, and width is 37.5mm, a height of 6mm.Top board 11 includes the first top board 112, the second top board
113 and the 3rd top board 114, the first top board 112, the second top board 113 and the 3rd top board 114 are in turn connected to form U-shaped structure, U-shaped
It is open and set towards the 4th side of metal shell 1, the antenna structure is applied when in wrist-watch, can be by Minimized USB connector
It is arranged on the 4th side of metal shell 1 with other mechanical buttons, to avoid mechanical button potato masher antenna performance.First top board
112nd, the width of the second top board 113 and the 3rd top board 114 is respectively 6mm, the first top board 112, the second top board 113 and the 3rd top board
114 width can reduce, but may to a certain extent reduce the efficiency of antenna.
Slot antenna 2 includes the first branch 21, the second branch 22 and the 3rd branch 23, and the first branch 21 is arranged on the first top
On plate 112, the second branch 22 is arranged on the second top board 113, and the 3rd branch 23 is arranged on the 3rd top board 114, the first branch
21st, the second branch 22 and the 3rd branch 23 are sequentially connected.
Antenna structure also includes antenna feed point 3 and match circuit 4, and antenna feed point 3 sets on the second branch 22, and
The center line 3-5mm of the length direction of the second top board of distance 113, it is preferable that the center of the length direction of the second top board of distance 113
Line 4mm.Match circuit 4 is arranged between the branch 22 of antenna feed point 3 and second.Match circuit 4 includes two electric capacity of series connection
One end of device C1 and C2 and inductor L, capacitor C1 are connected with antenna feed point 3, the other end and electric capacity of capacitor C1
One end connection of device C2, the other end of capacitor C2 is connected with the second branch 22, and one end of inductor L is connected to two capacitors
Between C1 and C2, other end ground connection.Wherein, C1=1pF, C2=0.6pF, L1=1.7nF；Alternatively, match circuit 4 can be with
It is other structures, this depends on the measured value of S11.
Antenna structure also includes the first short-circuit structure 5 and the second short-circuit structure 6, the first short-circuit structure 5 and the second short circuit knot
Structure 6 be respectively a sheet metal, slot antenna 2 be on top board 11 cutting gap and formed, the first short-circuit structure 5 connect first point
The top board 112 of branch 21 and first, the second short-circuit structure 6 connection the 3rd branch 23 and the 3rd top board 114.The two of first short-circuit structure 5
End is separately positioned on the first top board 112, and the first short-circuit structure 5 is across a gap, the cutting gap on the first top board 112
Afterwards, the remainder on first top board 112 can be attached by the first short-circuit structure 5, to support on the first top board 112
Remainder.The setting structure that second short-circuit structure 6 is arranged on the 3rd top board 114 with the first short-circuit structure 5 is identical.First
First short-circuit structure 5 is set on top board 112, the electric current side of the present position of the first short-circuit structure 5 on the first top board 112 can be changed
To；Similarly, the second short-circuit structure 6 is set on the 3rd top board 114, changes the present position of the second short-circuit structure 6 on the 3rd top board 114
The sense of current.
Fig. 3 is the S11 that antenna structure is respectively on free space (FS) and arm models (ARM) in 2.4GHz frequency ranges
And efficiency chart；Fig. 4 is the S11 that antenna structure is respectively on free space (FS) and arm models (ARM) in 5GHz frequency ranges
And efficiency chart.Wherein, abscissa is frequency (GHz), and ordinate is return loss (dB).In Fig. 3, when abscissa is 2.38,
, in the S11 values of free space (FS), Article 2 line representative antennas structure is at free space (FS) for first line representative antennas structure
Efficiency, efficiency of the Article 3 line representative antennas structure on arm models (ARM)；When abscissa is 2.44, first line
Representative antennas structure free space (FS) efficiency, efficiency of the Article 2 line representative antennas structure on arm models (ARM),
, in the S11 values of free space (FS), the fourth line representative antennas structure is at arm models (ARM) for Article 3 line representative antennas structure
On S11 values.In Fig. 4, abscissa be 5 when, first line representative antennas structure free space (FS) efficiency, Article 2
Efficiency of the line representative antennas structure on arm models (ARM)；Article 3 line representative antennas structure is on arm models (ARM)
S11 values, S11 value of the fourth line representative antennas structure in free space (FS).Be can be seen that from Fig. 3 and Fig. 4, in arm models
In the case of, antenna structure is smaller by being influenceed, additionally, in free space or arm models, antenna structure has good
Efficiency.In 2.4GHz frequency ranges, efficiency is better than -5.5dB, and in 5GHz frequency ranges, efficiency is better than -3.5dB.
Fig. 5 is refer to, embodiments of the invention two are：
A kind of antenna structure, referring to embodiment one, the antenna structure and the difference of embodiment one of the present embodiment are：
Metal shell 1 is square or rectangular structure, and opening 111 is arranged on the middle part of top board 11.The top of metal shell 1
Plate 11 includes the first top board 112, the second top board 113, the 3rd top board 114 and the 4th top board 115, the first top board 112, the second top board
113rd, the 3rd top board 114 and the 4th top board 115 are in turn connected to form rectangle.Minimized USB connector and other mechanical buttons are set
On the base plate of metal shell 1.
Fig. 6 is refer to, embodiments of the invention three are：
A kind of antenna structure, referring to embodiment one, the antenna structure and the difference of embodiment one of the present embodiment are：
Metal shell 1 is cylinder, and the top board of metal shell 1 includes the first top board 112, the second top board 113 and the 3rd top
Plate 114, the first top board 112, the second top board 113 and the 3rd top board 114 are in turn connected to form circular arc.When the first top board 112,
When two top boards 113 and the 3rd top board 114 are in turn connected to form circular arc, Minimized USB connector and other mechanical buttons are arranged on gold
On category shell 1 and positioned at the indentation, there of semicircle.When the first top board 112, the second top board 113 and the 3rd top board 114 are sequentially connected shape
During into full circle, Minimized USB connector and other mechanical buttons are arranged on the base plate of metal shell 1.
Fig. 7 is refer to, embodiments of the invention four are：
A kind of all-metal wrist-watch, including display 7 and the antenna structure described in embodiment 1 to 3, display 7 are arranged on gold
Simultaneously corresponding opening 111 is set in category shell 1.After display 7 is arranged in metal shell 1, outside three sides of display 7 and metal
Three sides of shell 1 have distance respectively, make to form a U-shaped cavity in metal shell 1；Or outside four sides of display 7 and metal
Four sides of shell 1 have distance respectively, make to form a rectangular enclosure in metal shell 1；Or display 7 is placed on metal shell 1
After interior, a circular arc cavity is formed in metal shell 1.Concrete structure can be designed according to the shape of metal shell 1.Metal
One layer of coating 8 is also covered with the top board 11 and display 7 of shell 1, coating 8 can be lucite, the thickness of lucite
It is 1mm to spend.
In sum, the present invention is provided antenna structure and all-metal wrist-watch, will not only destroy the entirety of metal shell
Integrality, and the back of the body chamber slot antenna radiated away from human body, help to be isolated antenna with tissue.
Embodiments of the invention are the foregoing is only, the scope of the claims of the invention is not thereby limited, it is every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made, or the technical field of correlation is directly or indirectly used in, similarly include
In scope of patent protection of the invention.
Claims (10)
1. a kind of antenna structure, it is characterised in that including metal shell, the metal shell includes top board, side wall and base plate, institute
State top board, side wall and base plate and enclose and be set as a cavity, the top board is provided with opening, a seam is formed with around the opening on top board
Gap antenna.
2. antenna structure according to claim 1, it is characterised in that the metal shell is square or cuboid knot
Structure, the top board include the first top board, the second top board and the 3rd top board, first top board, the second top board and the 3rd top board according to
Secondary connection forms U-shaped structure.
3. antenna structure according to claim 2, it is characterised in that the slot antenna include the first branch, second point
Branch and the 3rd branch, first branch are arranged on first top board, and second branch is arranged on second top board
On, the 3rd branch is arranged on the 3rd top board, and the first branch, the second branch and the 3rd branch are sequentially connected.
4. antenna structure according to claim 3, it is characterised in that also including antenna feed point, the antenna feed point
Be arranged in second branch, and the length direction apart from second top board center line 3-5mm.
5. antenna structure according to claim 4, it is characterised in that also including match circuit, the match circuit is set
Between the antenna feed point and second branch.
6. antenna structure according to claim 3, it is characterised in that also including the first short-circuit structure and the second short circuit knot
Structure, first short-circuit structure connects first branch and first top board, the second short-circuit structure connection described the
Three branches and the 3rd top board.
7. antenna structure according to claim 1, it is characterised in that the metal shell is square or cuboid knot
Structure, the opening is arranged on the middle part of the top board.
8. antenna structure according to claim 2, it is characterised in that the metal shell is cylinder, first top
Plate, the second top board and the 3rd top board are in turn connected to form circular arc.
9. a kind of all-metal wrist-watch, including display, it is characterised in that also including the day described in claim 1-8 any one
Cable architecture, the display is arranged in the metal shell and the correspondence opening is set.
10. all-metal wrist-watch according to claim 9, it is characterised in that also including coating, the coating is covered in
On the top board and display of the metal shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181093.8A CN106773624A (en) | 2016-12-20 | 2016-12-20 | A kind of antenna structure and all-metal wrist-watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181093.8A CN106773624A (en) | 2016-12-20 | 2016-12-20 | A kind of antenna structure and all-metal wrist-watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106773624A true CN106773624A (en) | 2017-05-31 |
Family
ID=58890928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611181093.8A Pending CN106773624A (en) | 2016-12-20 | 2016-12-20 | A kind of antenna structure and all-metal wrist-watch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106773624A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023226919A1 (en) * | 2022-05-24 | 2023-11-30 | 华为技术有限公司 | Electronic device |
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Application publication date: 20170531 |