CN106058429B - Electronic device with antenna - Google Patents
Electronic device with antenna Download PDFInfo
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- CN106058429B CN106058429B CN201610583495.4A CN201610583495A CN106058429B CN 106058429 B CN106058429 B CN 106058429B CN 201610583495 A CN201610583495 A CN 201610583495A CN 106058429 B CN106058429 B CN 106058429B
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- antenna
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- 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
- H01Q1/2266—Supports; Mounting means by structural association with other equipment or articles used with computer equipment disposed inside the computer
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
-
- 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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- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Mathematical Physics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Waveguide Aerials (AREA)
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Abstract
A kind of electronic device with antenna, comprising: the first metal shell has first side；Second metal shell has second side；First rotating shaft is connected between first and second side；Second shaft is connected between first and second side；Grounding points are connect with the first, second side, and first rotating shaft, the first metal shell, grounding points and the second metal shell constitute the first locked groove hole antenna structure；First antenna unit has the first irradiation unit, the first low frequency feed side and the first ground terminal；First controlled capacitance interconnecting piece has first end and second end, has the first controllable capacitance value between first end and second end, first end is connect with first side, second end and second side connect, and the first controllable capacitance value is controlled by control unit.Space shared by antenna is reduced, does not lose the function of the radio wide area network of handover operation frequency, do not lose the application function of radio area network or WiFi and interference is not generated to antenna setting position.
Description
Technical field
The invention belongs to technical field of electronic products, and in particular to a kind of electronic device with antenna.
Background technique
Easy to carry is consider the electronic device with wireless communication function or wireless networking (wireless networking) function one
A key factor, such as laptop are a kind of electronic devices easy to carry.
Fig. 1 show the schematic diagram of the laptop as electronic device scope in prior art, including with glimmering
The upper cover 10 of screen, the shaft 20 as the lower cover 30 of basic computer and for connecting upper cover 10 Yu lower cover 30.With wireless network
Development, so that the laptop in prior art be made also to develop towards the direction for having radio network functions concurrently, and require
Common built-in (also referred to as built-in) antenna keeps appearance terse as far as possible, but mostly still because in view of multiple communication bands
Using, such as there is the IEEE802.11a/n/ of the IEEE802.11b/g specification and 5GHz frequency band in 2.4GHz frequency band simultaneously
Antenna area network (WWAN) function of ac specification or even some laptops must also support radio wide area network (WWAN)
Using, such as the wireless networking function of Long Term Evolution (LTE) must be met, it use laptop can wireless
Communication band increasingly increases with bandwidth.
For the stability sighting effect to appearance and using, before the concealed antenna of laptop is generally arranged at
On the upper lid stated.However, the appearance more sight property in order to make laptop, the manufacturer of laptop is often by upper cover
10 fluorescent screen frame significantly reduces (reduction), so that the position that antenna is arranged substantially limits, then communicates in same wireless
Under conditions of quality even requires higher wireless transmission efficiency, one is undoubtedly for the antenna designers of laptop
Kind challenge, technical solution described below generate in this background.
Summary of the invention
Task of the invention lies in provide one kind to help to use aerial integration near shaft shared by diminution antenna
Space avoid generating interference effect to antenna setting position caused by the diminution because of fluorescent screen frame simultaneously and electronics can be made to fill
The radio wide area network for having handover operation frequency is set and at the same time having the band of radio area network or the application function of WiFi
The electronic device of antenna.
The task of the present invention is in this way to complete, a kind of electronic device with antenna, comprising: one first metal shell,
First metal shell has a first side；One second metal shell, second metal shell have a second side；One
One shaft, the first rotating shaft are electrically connected to the first side of first metal shell and the second side of the second metal shell
Between；One second shaft, second shaft are equally electrically connected to first side and the second metal of first metal shell
Between the second side of shell；One grounding points, the grounding points are between the first rotating shaft and the second shaft
And it is electrically connected with the first side of first metal shell and the second side of the second metal shell, in which: described
First rotating shaft, the first metal shell, grounding points and second metal shell collectively form one first locked groove hole
Antenna structure；One first antenna unit, the first antenna unit be located in the first locked groove hole antenna structure and this
One antenna element have one first irradiation unit, one first low frequency feed side and one first ground terminal, the first low frequency feed side with
And first ground terminal connect with the first irradiation unit, the first side of the end of first irradiation unit and first metal shell is simultaneously
Row and the close first rotating shaft, first ground terminal and second metal shell of the first antenna unit
Second side electrical connection, the first low frequency feed side of the first antenna unit is used for the first low frequency radio frequency of feed-in signal, when
When by first low frequency feed side feed-in the first low frequency radio frequency signal, the first antenna unit constitutes planar inverted-f antenna；One
First controlled capacitance interconnecting piece, the first controlled capacitance connecting portion in the first locked groove hole antenna structure and at the same time position
Between the first antenna unit and grounding points, which has a first end and one the
Two ends, between the first end and second end have one first controllable capacitance value, the first controlled capacitance interconnecting piece it is described
First end is connect with the first side of first metal shell, and the second end of the first controlled capacitance interconnecting piece with it is described
The second side of second metal shell connects, and first controllable capacitance value is controlled by a control unit.
In a specific embodiment of the invention, when first controllable capacitance value for being controlled by described control unit
When increase, the operating frequency of the excitation mode of first locked groove hole antenna structure is reduced.
In another specific embodiment of the invention, when the first controlled capacitance interconnecting piece and described first day
When the distance between line unit shortens, the operating frequency of the excitation mode of first locked groove hole antenna structure is reduced.
In another specific embodiment of the invention, the first locked groove hole antenna structure is half wavelength
Close slot antenna.
In another specific embodiment of the invention, connect in the first low frequency feed side of the first antenna unit
There is a first capacitor, and is in series with one first inductance in the first ground terminal of the first antenna unit.
Of the invention there are one in specific embodiment, the first antenna unit has one to be used for feed-in first
First high frequency feed side of high frequency radio signals, the first high frequency feed side are connect with first irradiation unit, and described
One high frequency radio signals are the signal of 5GHz frequency band, when first high frequency feed side first high frequency radio signals of feed-in,
The first low frequency feed side is formed as opening a way with first ground terminal.
In a still more specific embodiment of the invention, by first metal shell, grounding points, second turn
Axis and the second metal shell collectively form as one second locked groove hole antenna structure and using fills the electronics with antenna
Setting includes: one second antenna element, and the second antenna element has one second irradiation unit, one second low frequency feed side and one second
Ground terminal, the second low frequency feed side and the second ground terminal are connect with the second irradiation unit, and the second antenna element be located at this
In two locked groove hole antenna structures, the end of the second irradiation unit is parallel to the first side of first metal shell and close
The second side of second shaft, the second ground terminal of the second antenna element and second metal shell is electrically connected,
Second low frequency feed side of second antenna element is to one second low frequency radio frequency signal of feed-in, wherein when the second low frequency feed side
When feed-in the second low frequency radio frequency signal, second antenna element constitutes planar inverted-f antenna；The connection of one second controlled capacitance
Portion, the second controlled capacitance connecting portion connect in the second locked groove hole antenna structure and simultaneously positioned at the second antenna element with described
Between ground interconnecting piece, which has a first end and a second end, first end and second end it
Between there is one second controllable capacitance value, the first of the first end of the second controlled capacitance interconnecting piece and the first metal shell
Side connection, and the second end of the second controlled capacitance interconnecting piece is connect with the second side of the second metal shell, and institute
The second controllable capacitance value stated is controlled by the control unit.
In a specific embodiment in turn of the invention, second antenna element has one to be used for feed-in second
Second high frequency feed side of high frequency radio signals, the second high frequency feed side are connect with first irradiation unit, and described
Two high frequency radio signals are the signal of 5GHz frequency band, when second high frequency feed side second high frequency radio signals of feed-in,
The second low frequency feed side is formed as opening a way with second ground terminal.
In yet a further embodiment of the present invention when the second controlled capacitance interconnecting piece and described the
When the distance between two antenna elements shorten, the operating frequency of the excitation mode of second locked groove hole antenna structure is reduced.
Of the invention again and then in a specific embodiment, the electronic device is laptop.
Technical solution provided by the invention has the technical effect that due to being used for the position setting of antenna to connect electricity
First metal shell of sub-device and the first rotating shaft of the second metal shell and the second shaft nearby and using ground connection connect
Shaft, the first metal shell and the second metal shell of socket part cooperation collectively form locked groove hole antenna structure, in locked groove hole day
It uses reduction using the first, second metal shell of controlled capacitance interconnecting piece connection electronic device in cable architecture and closes slot antenna
Resonant frequency, thus be able to be reduced significantly antenna and with the shaft of the electronic device of metal shell by by aerial integration
Shared space not only makes laptop not lose the function of the radio wide area network of handover operation frequency and at the same time not losing nothing
The application function of line Local Area Network or WiFi and interference is not generated on antenna setting position by the diminution of fluorescent screen frame and influenced.
Detailed description of the invention
Fig. 1 is the schematic diagram of the laptop in prior art.
Fig. 2 is the embodiment schematic diagram of the electronic device of the invention with antenna.
Fig. 3 is the signal of the first locked groove hole antenna structure and first antenna unit of the electronic device of the invention with antenna
Figure.
Fig. 4 is the first locked groove shown in Fig. 3 hole antenna structure and first antenna unit with the first low frequency feed side feed-in
Return to loss figure.
Fig. 5 is to remove the controlled capacitance interconnecting piece of Fig. 3 and form the schematic diagram for closing slot antenna.
Fig. 6 is the return loss figure for closing slot antenna of Fig. 5.
Fig. 7 is by the position of the first controlled capacitance interconnecting piece in the first locked groove hole antenna structure of Fig. 3 to first antenna list
The schematic diagram of the mobile return loss variation of member.
The the first locked groove hole antenna structure and first antenna unit that Fig. 8 is Fig. 3 are with the return of the first high frequency feed side feed-in
Loss figure.
Fig. 9 is that use the first locked groove hole antenna structure and second that another embodiment of the present invention provides closes slot antenna knot
Structure is applied to the schematic diagram on laptop.
Specific embodiment
The electronic device that the embodiment of the present invention enumerates is laptop, but therefore the present invention does not limit, as long as tool
There are two electronic devices such as smartphone, personal digital assistant of shaft of both metal shell and connection etc. to be applicable in
The Antenna Design of the embodiment of the present invention.The embodiment of the present invention, which is utilized, realizes that multifrequency antenna is set in the shaft of the body of laptop
Meter, and can be used for radio wide area network (WWAN) (such as: Long Term Evolution (LTE) frequency range and Wireless LAN
(WLAN) or the application of WiFi (include 2.4GHz and 5GHz).
Referring to figure 2., Fig. 2 is the front schematic view of laptop provided in an embodiment of the present invention.The embodiment of the present invention
Laptop upper cover and lower cover be the first metal shell and the second metal shell respectively so that laptop is metal
Casing.The configuration such as keyboard, screen is omitted in Fig. 2, uses and highlights the present embodiment primary clustering.With regard to the main body knot of laptop
For structure, laptop include first metal shell 40 (upper cover) with screen, first rotating shaft 50A, grounding points 70,
Second shaft 50B and the second metal shell 60 (lower cover).First rotating shaft 50A, the second shaft 50B are to connect the first metal-back
Body 40 and the second metal shell 60, first rotating shaft 50A and the second shaft 50B are also made of metal.On the other hand, ground connection connects
Socket part 70 can be the circuit system of the second metal shell 60 and the signal connecting line of the first metal shell 40, for example including screen
Show the winding displacement (or the signal wire for further including video signal camera lens) of signal, winding displacement equisignal line also has ground line or metal screen
It covers, so that the signal of the circuit system of the second metal shell 60 can be provided to the interlock circuit in the first metal shell 40, but
Therefore the present invention does not limit.Grounding points 70 are also possible to other functions or (the connection circuit system ground connection) of purposes connects
Ground metal assembly.In another embodiment, grounding points 70 are also possible to another shaft (or being third shaft), and
It is conductively connected the first metal shell 40 and the second metal shell 60, but therefore the present invention does not limit the realization of grounding points 70
Mode as long as grounding points 70 can be used for being set to the position of first rotating shaft 50A and the second shaft 50B between the two, and is used
To be conductively connected the first metal shell 40 and the second metal shell 60.
Applicant below is to the first metal shell 40 (upper cover), first rotating shaft 50A, grounding points 70, the second shaft
Connection relationship between 50B and the second metal shell 60 (lower cover) elaborates, and the first metal shell 40 has first side
401, the second metal shell 60 has second side 601.First rotating shaft 50A is set to the first side of the first metal shell 40
401 and second metal shell 60 second side 601 between.Second shaft 50B is set to the first side of the first metal shell 40
Between side 401 and the second side 601 of the second metal shell 60.Grounding points 70 are located at first rotating shaft 50A and the second shaft
Between 50B, and it is conductively connected the first side 401 of the first metal shell 40 and the second side 601 of the second metal shell 60,
Middle first rotating shaft 50A, the first metal shell 40, grounding points 70 and the second metal shell 60 collectively form the first locked groove hole day
Cable architecture 80.
In addition to this, this electronic device (laptop) with antenna, which further includes, is set to first and closes slot antenna knot
First antenna unit 81 and the first controlled capacitance interconnecting piece 82 in structure 80.
Referring to figure 3., Fig. 3 is the first of the electronic device provided in an embodiment of the present invention with antenna to close slot antenna knot
The schematic diagram of structure 80 and first antenna unit 81.First antenna unit 81 has the first irradiation unit 811, the first low frequency feed side
812 and first ground terminal 813, the first low frequency feed side 812 and the first ground terminal 813 connect with the first irradiation unit 811,
One antenna element 81 is located in the first locked groove hole antenna structure 80, and the end of the first irradiation unit 811 is parallel to the first metal shell
40 first side 401 and close first rotating shaft 50A, and the first ground terminal 813 of first antenna unit 81 is electrically connected second
The second side 601 of metal shell 60, the first low frequency feed side 812 of first antenna unit 81 is to the first low frequency radio frequency of feed-in
Signal, wherein first antenna unit 81 constitutes an inverted f when with 812 feed-in the first low frequency radio frequency signal of the first low frequency feed side
Shape plate aerial.First controlled capacitance interconnecting piece 82 is located in the first locked groove hole antenna structure 80, and is located at first antenna unit
Between 81 and grounding points 70, the first controlled capacitance interconnecting piece 82 has first end 821 and second end 822, and first is controllable
There is the first controllable capacitance value, this first controllable capacitance value is for example between the first end 821 and second end 822 in capacitance connection portion 82
Using the setting controllable capacitance values such as the switch-capacitor or variable capacitance component on the route of microwave base plate (or printed circuit board)
It realizes, but therefore the present invention does not limit.For example, in the present embodiment, the first controllable capacitance value is controlled by control unit 100 to be connected
The switch-capacitor Ca being connected between first end 821 and second end 822 realizes that switch-capacitor Ca also could alternatively be variable capacitance,
But therefore the present invention does not limit.The control route of control unit 100 in Fig. 3 is only schematic diagram (with the void with arrow
Line indicates), therefore the control route in practical application is not to limit.The first end 821 of first controlled capacitance interconnecting piece 82
The first side 401 of the first metal shell 40 is connected, the second end 822 of the first controlled capacitance interconnecting piece 82 connects the second metal-back
The second side 601 of body 60, the first controllable capacitance value of the first controlled capacitance interconnecting piece 82 are controlled by control unit 100, control
Unit 100 is for example set in the second metal shell 60, a part of the circuit system as laptop.
Referring to figure 4., Fig. 4 is the first locked groove hole antenna structure 80 and the first antenna unit 81 of Fig. 3 with the feedback of the first low frequency
(Return Loss) figure is lost in the return for entering 812 feed-ins of end.When 812 feed-in the first low frequency radio frequency signal of the first low frequency feed side
When, the first low frequency feed side 812 and excitaton source of the first antenna unit 81 as the first locked groove hole antenna structure 80, the first locked groove
Hole antenna structure 80 excites the mode M1 of half wavelength resonances form, and by the first controlled capacitance interconnecting piece 82 of adjustment
The first controllable capacitance value, thus it is possible to vary the center frequency points of mode M1.The of switch-capacitor Ca is controlled by control unit 100
The required frequency of mode M1 may be selected in one controllable capacitance value.In the present embodiment, in order to reach the mode M1 of low frequency up to LTE
The impedance bandwidth of the operating frequency of 700 (698MHz -787MHz), the length L of the first locked groove hole antenna structure 80 are about 105 millis
Rice (mm), width W is about 7 millimeters (mm), and the first controlled capacitance interconnecting piece 82 is about 9.5 millimeters at a distance from grounding points 70
(mm), and the first controllable capacitance value of the first controlled capacitance interconnecting piece 82 for using can for example 2pF, 2.4pF, 2.8pF with
Switch between the capacitance value range of 3.8pF.Furthermore the distance that the end of the first irradiation unit 811 is parallel to first side 401 is about
1 millimeter, and the end of the first irradiation unit 811 is about 15 millimeters at a distance from first rotating shaft 50A.In another embodiment, low frequency
The frequency range of mode M1 be also possible to include GSM 850, GSM 900 frequency band, frequency range is 824-960MHz respectively
With 880-960MHz.In addition, the mode M2 shown in Fig. 4 is the high order mode of mode M1.
First locked groove hole antenna structure 80 of the embodiment of the present invention is that half wavelength closes slot antenna, however compared to
Traditional closes unlike slot antenna, and the first locked groove hole antenna structure 80 of the embodiment of the present invention connects with the first controlled capacitance
Socket part 82.Curve is lost referring to return shown in Fig. 4, curve A1, A2, A3, A4 are the first controlled capacitance interconnecting piece 82 respectively
First controllable capacitance value is the result of 2pF, 2.4pF, 2.8pF and 3.8pF.From fig. 4, it can be seen that when being controlled by control unit 100
When first controllable capacitance value increases, the operating frequency of the excitation mode of the first locked groove hole antenna structure 80 is reduced.At the same time,
Connect first capacitor C1 for first low frequency feed side 812 of one antenna element 81, the first ground terminal 813 string of first antenna unit 81
Join the first inductance L1, to help impedance matching.First antenna unit 81 is for example to be printed in the metal structure on microwave base plate
It realizes, is e.g. printed in long 25 millimeters, wide 6 millimeters of microwave base plate.And first capacitor C1 and the first inductance L1 is glutinous for surface
Component (SMD), e.g. chip capacity and chip inductance, all in such a way that tin connects respectively be conductively connected (series connection) first low frequency
Feed side 812 and the first ground terminal 813.In the present embodiment, the capacitance of first capacitor C1 is 2.4pF, the first inductance L1's
Inductance value is 13nH, but therefore the present invention does not limit.In addition, the first ground terminal 813 may also set up switch, with control open circuit with
Short circuit, so that connecing the first ground terminal (after the first inductance L1 of series connection) short circuit when the first low frequency feed side 812 carries out feed-in
Ground (ground connection for being connected to circuit system).
It referring to figure 5., is that the controlled capacitance interconnecting piece of Fig. 3 is removed and forms the schematic diagram for closing slot antenna.If incite somebody to action this
First controlled capacitance interconnecting piece 82 provided by Fig. 3 of inventive embodiments removes, and to reach low frequency up to LTE 700
The impedance bandwidth of the operating frequency of (698MHz -787MHz) then needs the extension of slot to be 135 millimeters (mm).
Fig. 6 is please referred to, Fig. 6 is the return penalty values of locked groove hole antenna structure, and the return of Fig. 6 is lost compared to Fig. 4's
Return loss, it is seen that if do not use the embodiment of the present invention the first controlled capacitance interconnecting piece 82, the length of slot need extend (by
105 millimeters extend to 135 millimeters), it just can reach the resistance that lowest frequency is about the operating frequency of LTE 700 (698MHz -787MHz)
Anti- bandwidth.It follows that the first controlled capacitance interconnecting piece 82 of the embodiment of the present invention, which can achieve, reduces locked groove hole antenna structure
The purpose of size.
First radiofrequency signal is other than it can be the signal of Long Term Evolution (LTE) frequency band, the first radiofrequency signal
It can be signal, the GSM 1800/1900/UMTS (1710-2170 MHz) of GSM 850/900 (824-960 MHz) frequency band
The signal of signal or LTE 2300/2500 (2300-2690 MHz) frequency band of frequency band.Alternatively, the first radiofrequency signal can also
To be the signal of 2.4GHz frequency band, it to be used for the application of 2.4GHz Wireless LAN.Corresponding to the Antenna Design of Fig. 3, for example, it is corresponding
It is lost in the return of Fig. 4, mode M1 can be applied to the associated frequency band application lower than 1GHz, and mode M2 can be applied near 1.3GHz
Frequency band.Furthermore then referring concurrently to Fig. 3 and Fig. 4, the first irradiation unit 811 of first antenna unit 81 can provide frequency and be
Resonance mode M3 near 2.4GHz is quarter-wave resonance mode.
Please refer to Fig. 7, if the position of the first controlled capacitance interconnecting piece 82 is mobile toward first antenna unit 81, be respectively by
The position of first controlled capacitance interconnecting piece 82 is displaced 5 millimeters, 10 millimeters and 15 millimeters toward first antenna unit 81, and it is bent to return to loss
Line is B1, B2, B3 respectively.That is, the first controlled capacitance interconnecting piece 82 at a distance from grounding points 70 for 14.5 millimeters,
At 19.5 millimeters, 24.5 millimeters, returning to loss curve is B1, B2, B3 respectively.Curve is lost compared to the return before not moving
B0, if the first controlled capacitance interconnecting piece 82 is mobile toward first antenna unit 81, the low-limit frequency of locked groove hole antenna structure 80
The centre frequency of operation mode can be lowered, and work as the first controlled capacitance interconnecting piece 82 closer to first antenna unit 81, then
The centre frequency for operating mode is lower.In short, the distance between the first controlled capacitance interconnecting piece 82 and first antenna unit 81
When shortening, the operating frequency of the excitation mode of the first locked groove hole antenna structure 80 is reduced.This can be construed to, because of the first controllable electric
The capacitance for holding interconnecting piece 82 can store biggish charge (for locked groove hole itself is with first antenna unit 81), and
Biggish electric current can be provided to the electric current that antenna feed-in is excited and guide degree, therefore can provide and be equivalent to extension current path
And cause the effect of frequency reducing.When the first controlled capacitance interconnecting piece 82 is closer to signal excitation source (the first low frequency feed side
812) when first antenna unit 81, the equivalent effect for extending current path is more beneficial obvious, so that the first locked groove hole antenna structure
The Frequency point of 80 resonance mode can be further lowered.
Referring to Fig. 3 and Fig. 8, first antenna unit 81 has more the first high frequency feed side 814, the first high frequency feed-in
814 the first irradiation unit 811 of connection of end, the first high frequency feed side 814 is to the first high frequency radio signals of feed-in.On the other hand, when
When the first 812 FD feed of low frequency feed side, the first high frequency feed side 814 is open circuit.First high frequency radio signals are 5GHz frequencies
The signal of band can be used for the Wireless LAN (WLAN) or WiFi application of 5GHz frequency band.When 814 feed-in of the first high frequency feed side
When the first high frequency radio signals, the first low frequency feed side 812 can then be controlled by with the first ground terminal 813 by what is respectively connect
The switch (figure be not painted) of control unit 100 and be set as open-circuit condition.At this point, the first irradiation unit of first antenna unit 81
811 be tool there are two the quarter-wave monopole of branch, and short branch is to extend to the end of the first irradiation unit 811 (to lean on
Nearly first rotating shaft 50A), the length of short branch is about 7 millimeters, and long branch is to extend to the first low frequency feed side 812 (to connect with first
Ground terminal 813) part, the length of long branch is about 15 millimeters.However, above-mentioned size is not limited to illustrate
The present invention.
In practical application, the size of the laptop as applied by the embodiment of the present invention it is current in the market often
See for as low as about 11 to 12 inch, maximum typically not greater than 15 inch.Therefore, make to the shaft of the laptop in the present embodiment
It is designed with double antenna, then using the Antenna Design of the embodiment of the present invention because having the effect of reducing locked groove hole length (L),
Make the design of double antenna that can be applied to the shaft of laptop easily.
Fig. 9 is please referred to, Fig. 9 is closed using the first locked groove hole antenna structure with second provided by another embodiment of the present invention
Slot antenna structure is in the schematic diagram of laptop.Grounding points 70, the first metal shell 40, the second shaft 50B and
Two metal shells 60 collectively form the second locked groove hole antenna structure 90.About the design of the second locked groove hole antenna structure 90, second
The details of locked groove hole antenna structure 90 and the second antenna element 91 and the second controlled capacitance interconnecting piece 92 in it is analogous to
The design principle of the embodiment of Fig. 3, difference are only that the first locked groove hole antenna structure 80 and the second locked groove hole antenna structure 90
It is to be mutually symmetrical.Specifically, the second antenna element 91 has the second irradiation unit, the second low frequency feed side and the second ground terminal
(explanation that the first irradiation unit 811 for Fig. 3, the first low frequency feed side 812 and the first ground terminal 813 can be respectively referred to).The
Two low frequency feed sides connect the second irradiation unit with the second ground terminal, and the second antenna element 91 is located at the second locked groove hole antenna structure 90
It is interior, the first side 401 of parallel first metal shell 40 in the end of the second irradiation unit and close second shaft 50B, and second day
The second side 601 of the second ground terminal the second metal shell 60 of electric connection of line unit 91, the second of the second antenna element 91
Low frequency feed side is to feed-in the second low frequency radio frequency signal, wherein when with second low frequency feed side feed-in the second low frequency radio frequency signal
When, the second antenna element 91 constitutes a planar inverted-f antenna.Second controlled capacitance interconnecting piece 92 is located at second and closes slot antenna knot
In structure 90, and between the second antenna element 91 and grounding points 70, in Fig. 9 application because laptop shaft
Side is longer, therefore another grounding points 70 can be used, but in practical application, two grounding points 70 in Fig. 9 can
To be integrated into single a grounding points.Second controlled capacitance interconnecting piece 92 has first end and second end, the second controlled capacitance
There is the second controllable capacitance value (such as being realized using switch-capacitor) between the first end and second end of interconnecting piece 92, second is controllable
First side 401 of first end first metal shell 40 of connection in capacitance connection portion 92, the second of the second controlled capacitance interconnecting piece 92
Second side 601 of the second metal shell 60 of end connection, the second controllable capacitance value of the second controlled capacitance interconnecting piece 92 are controlled by control
Unit processed (do not show in Fig. 9, referring to figure 3. and related description above-mentioned).Furthermore the second antenna element 92 has more the second high frequency
Feed side (referring to the explanation of the first high frequency feed side 814 for Fig. 3), the second high frequency feed side connect the second irradiation unit, the
To the second high frequency radio signals of feed-in, the second high frequency radio signals are the signals of 5GHz frequency band for two high frequency feed sides.When second
When the FD feed of low frequency feed side, the second high frequency feed side is open circuit.When second the second high-frequency radio frequency of high frequency feed side feed-in is believed
Number when, the second low frequency feed side and the second ground terminal are open circuit.Also, the second low frequency feed side of the second antenna element 92 is connected
Second capacitor (referring to the first capacitor C1 of explanation to(for) Fig. 3), the second electricity of the second ground terminal series connection of the second antenna element 92
Sense (referring to the first inductance L1 of explanation to(for) Fig. 3).Also, when the second controlled capacitance interconnecting piece 92 and the second antenna element 91
The distance between shorten when, the excitation mode of the second locked groove hole antenna structure 90 operating frequency reduction.
In conclusion the position of antenna is to be set to the electronic device of antenna provided by the embodiment of the present invention
Near the shaft for connecting two metal shells of electronic device, and slot antenna is closed to realize using grounding points cooperation shaft
Structure, and two metal shells of electronic device are connected to drop using controlled capacitance interconnecting piece in the antenna structure of locked groove hole
The low resonant frequency for closing slot antenna, is taken up space to reduce antenna.It whereby, can be by aerial integration turning in electronic device
Axis is particularly applied to the electronic device with metal shell.Also, described according to an embodiment of the present invention, the embodiment of the present invention
Provided Antenna Design can be applied to LTE 700 (698MHz -787MHz), the GSM 850 of radio wide area network (WWAN)
(824–960MHz)、GSM 900 (880–960MHz)、GSM 1800/1900/UMTS (1710–2170 MHz)、LTE
The WiFi Wireless LAN of 2300/2500 (2300-2690 MHz), 2.4GHz Wireless LAN (WLAN) and 5GHz
Deng application.
The foregoing is merely embodiments of the present invention, the scope of the patents that it is not intended to limiting the invention.
Claims (8)
1. a kind of electronic device with antenna, characterized by comprising: one first metal shell, first metal shell have one
First side；One second metal shell, second metal shell have a second side；One first rotating shaft, first rotating shaft electricity
It is connected between the first side of the first metal shell and the second side of the second metal shell；One second shaft, should
Second shaft is equally electrically connected between the first side of the first metal shell and the second side of the second metal shell；
One grounding points, the grounding points between the first rotating shaft and the second shaft and with first metal-back
The first side of body and the electrical connection of the second side of the second metal shell, in which: the first rotating shaft, the first metal-back
Body, grounding points and second metal shell collectively form one first locked groove hole antenna structure, and described first closes
Slot antenna structure is that half wavelength closes slot antenna；One first antenna unit, the first antenna unit are located at described
In first locked groove hole antenna structure and the first antenna unit has one first irradiation unit, one first low frequency feed side and one
First ground terminal, the first low frequency feed side and the first ground terminal are connect with the first irradiation unit, the end of first irradiation unit with
The first side of first metal shell is parallel and close to the first rotating shaft, the first antenna unit it is described
The second side of first ground terminal and second metal shell is electrically connected, the first low frequency feed side of the first antenna unit
For feed-in the first low frequency radio frequency signal, when by first low frequency feed side feed-in the first low frequency radio frequency signal, described first
Antenna element constitutes planar inverted-f antenna；One first controlled capacitance interconnecting piece, the first controlled capacitance connecting portion is in described
In one locked groove hole antenna structure and at the same time between the first antenna unit and grounding points, first controllable electric
Holding interconnecting piece has a first end and a second end, has one first controllable capacitance value between the first end and second end,
The first end of the first controlled capacitance interconnecting piece is connect with the first side of first metal shell, and first is controllable
The second end in capacitance connection portion is connect with the second side of second metal shell, and first controlled capacitance
Value is controlled by a control unit；Wherein, when between the first controlled capacitance interconnecting piece and the first antenna unit away from
When from shortening, the operating frequency of the excitation mode of first locked groove hole antenna structure is reduced.
2. the electronic device according to claim 1 with antenna, it is characterised in that when the institute for being controlled by described control unit
When stating the increase of the first controllable capacitance value, the operating frequency of the excitation mode of first locked groove hole antenna structure is reduced.
3. the electronic device according to claim 1 with antenna, it is characterised in that the first of the first antenna unit
Low frequency feed side is in series with a first capacitor, and is in series with one first inductance in the first ground terminal of the first antenna unit.
4. the electronic device according to claim 1 with antenna, it is characterised in that the first antenna unit has one
For the first high frequency feed side of the first high frequency radio signals of feed-in, the first high frequency feed side and first irradiation unit connect
It connects, first high frequency radio signals are the signal of 5GHz frequency band, when first first high frequency of high frequency feed side feed-in
When radiofrequency signal, the first low frequency feed side is formed as opening a way with first ground terminal.
5. the electronic device according to claim 1 with antenna, it is characterised in that connected by first metal shell, ground connection
Socket part, the second shaft and the second metal shell collectively form as one second locked groove hole antenna structure and using makes the band day
The electronic device of line includes: one second antenna element, and the second antenna element has one second irradiation unit, one second low frequency feed side
And one second ground terminal, the second low frequency feed side and the second ground terminal are connect with the second irradiation unit, and the second antenna list
Member is located in the second locked groove hole antenna structure, and the end of the second irradiation unit is parallel to described the first of first metal shell
Side and close second shaft, the second side of the second ground terminal of the second antenna element and second metal shell
Electrical connection, the second low frequency feed side of second antenna element is to one second low frequency radio frequency signal of feed-in, wherein when second
When low frequency feed side feed-in the second low frequency radio frequency signal, second antenna element constitutes planar inverted-f antenna；One second can
Capacitance connection portion is controlled, the second controlled capacitance connecting portion is in the second locked groove hole antenna structure and simultaneously positioned at the second antenna list
It is first between the grounding points, the second controlled capacitance interconnecting piece have a first end and a second end, in first end
There is one second controllable capacitance value, the first end and the first metal of the second controlled capacitance interconnecting piece between second end
The first side of shell connects, and the second side of the second end of the second controlled capacitance interconnecting piece and the second metal shell connects
It connects, and second controllable capacitance value is controlled by the control unit.
6. the electronic device according to claim 5 with antenna, it is characterised in that second antenna element has one
For the second high frequency feed side of the second high frequency radio signals of feed-in, the second high frequency feed side and first irradiation unit connect
It connects, second high frequency radio signals are the signal of 5GHz frequency band, when second second high frequency of high frequency feed side feed-in
When radiofrequency signal, the second low frequency feed side is formed as opening a way with second ground terminal.
7. the electronic device according to claim 5 with antenna, it is characterised in that when second controlled capacitance connects
When the distance between portion and second antenna element shorten, the operation frequency of the excitation mode of second locked groove hole antenna structure
Rate reduces.
8. according to claim 1 to described in 7 any claims with the electronic device of antenna, it is characterised in that the electronics
Device is laptop.
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| CN201610583495.4A CN106058429B (en) | 2016-07-22 | 2016-07-22 | Electronic device with antenna |
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| CN201610583495.4A CN106058429B (en) | 2016-07-22 | 2016-07-22 | Electronic device with antenna |
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| CN106058429A CN106058429A (en) | 2016-10-26 |
| CN106058429B true CN106058429B (en) | 2019-03-12 |
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Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684526B (en) * | 2017-01-04 | 2019-01-18 | 常熟市泓博通讯技术股份有限公司 | Electronic device with mixed mode antenna |
| CN107946747B (en) * | 2017-11-29 | 2023-09-12 | 深圳市信维通信股份有限公司 | Double WIFI MIMO antenna and all-metal notebook adopting same |
| WO2019117941A1 (en) | 2017-12-15 | 2019-06-20 | Hewlett-Packard Development Company, L.P. | Antennas and connectors located in slots |
| CN108511873B (en) * | 2018-03-09 | 2020-03-06 | 常熟市泓博通讯技术股份有限公司 | Mobile communication device for fifth generation mobile network |
| CN108521060B (en) * | 2018-03-30 | 2020-07-24 | 联想(北京)有限公司 | Connecting piece and electronic equipment |
| EP3618184A1 (en) * | 2018-08-29 | 2020-03-04 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Electronic device with antenna mechanism |
| CN109216894B (en) * | 2018-09-14 | 2020-08-25 | 联想(北京)有限公司 | Antenna structure and electronic equipment |
| CN111584999A (en) * | 2019-02-18 | 2020-08-25 | 华为技术有限公司 | Antenna and electronic device |
| CN112310660A (en) * | 2019-07-31 | 2021-02-02 | 奇力新电子股份有限公司 | Antenna module |
| CN111799544B (en) * | 2020-08-14 | 2021-11-02 | 上海安费诺永亿通讯电子有限公司 | Ultra-wideband antenna of reversible electronic equipment |
| CN114171891B (en) * | 2020-09-10 | 2023-11-17 | 华为技术有限公司 | Antenna for foldable electronic device and foldable electronic device |
| CN115117600B (en) * | 2021-03-22 | 2024-02-20 | 启碁科技股份有限公司 | Antenna structure and electronic device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836326A (en) * | 2007-10-23 | 2010-09-15 | 株式会社Emw | Antenna system using housings of electronic device and electronic device comprising the same |
| CN101911379A (en) * | 2008-01-04 | 2010-12-08 | 苹果公司 | Antennas and antenna carrier structures for electronic devices |
| CN103904414A (en) * | 2012-12-25 | 2014-07-02 | 仁宝电脑工业股份有限公司 | Multi-band antenna |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1724938A1 (en) * | 2005-05-19 | 2006-11-22 | Sony Ericsson Mobile Communications AB | Antenna for foldable mobile phone |
| WO2012028174A1 (en) * | 2010-08-31 | 2012-03-08 | Laird Technologies Ab | Antenna device and foldable electronic device comprising such an antenna device |
| TWI563724B (en) * | 2012-05-18 | 2016-12-21 | Compal Electronics Inc | Electronic device |
| US9583838B2 (en) * | 2014-03-20 | 2017-02-28 | Apple Inc. | Electronic device with indirectly fed slot antennas |
| CN203932299U (en) * | 2014-05-23 | 2014-11-05 | 联想(北京)有限公司 | Electronic equipment |
| CN104505575B (en) * | 2014-12-29 | 2018-05-25 | 上海安费诺永亿通讯电子有限公司 | A kind of adjustable antenna for all-metal construction communication terminal device |
| CN104505574B (en) * | 2014-12-29 | 2018-04-27 | 上海安费诺永亿通讯电子有限公司 | A kind of adjustable antenna for all-metal construction communication terminal device |
| US9653777B2 (en) * | 2015-03-06 | 2017-05-16 | Apple Inc. | Electronic device with isolated cavity antennas |
| CN105789823B (en) * | 2016-03-30 | 2019-12-24 | 联想(北京)有限公司 | Electronic equipment |
| CN205828646U (en) * | 2016-07-22 | 2016-12-21 | 常熟市泓博通讯技术股份有限公司 | Electronic installation with antenna |
-
2016
- 2016-07-22 CN CN201610583495.4A patent/CN106058429B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101836326A (en) * | 2007-10-23 | 2010-09-15 | 株式会社Emw | Antenna system using housings of electronic device and electronic device comprising the same |
| CN101911379A (en) * | 2008-01-04 | 2010-12-08 | 苹果公司 | Antennas and antenna carrier structures for electronic devices |
| CN103904414A (en) * | 2012-12-25 | 2014-07-02 | 仁宝电脑工业股份有限公司 | Multi-band antenna |
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| Publication number | Publication date |
|---|---|
| CN106058429A (en) | 2016-10-26 |
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