CN106058429A - Electronic device with antenna - Google Patents
Electronic device with antenna Download PDFInfo
- Publication number
- CN106058429A CN106058429A CN201610583495.4A CN201610583495A CN106058429A CN 106058429 A CN106058429 A CN 106058429A CN 201610583495 A CN201610583495 A CN 201610583495A CN 106058429 A CN106058429 A CN 106058429A
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- Prior art keywords
- antenna
- metal shell
- low frequency
- feed
- rotating shaft
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Classifications
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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
An electronic device with an antenna provided by the invention comprises a first metal housing having a first side edge; a second metal housing having a second side edge; a first rotating shaft connected between the first side edge and the second side edge; a second rotating shaft connected between the first side edge and the second side edge; a grounding connection portion connected with the first and second side edges, wherein the first rotating shaft, the first metal housing, the grounding connection portion and the second metal housing form a first closed-groove antenna structure; a first antenna unit having a first radiation portion, a first low-frequency feed end and a first grounding end; and a first controllable capacitor connection portion having a first end and a second end, wherein there is a first controllable capacitance value between the first and second ends, the first end is connected with the first side edge, the second end is connected with the second side edge, and the first controllable capacitance value is controlled by the control unit. The space occupied by the antenna is reduced without losing the function of switching operation frequency of a wireless wide area network and the application function of a wireless area network or WiFi, and the interference on the position arrangement of the antenna is not generated.
Description
Technical field
The invention belongs to technical field of electronic products, be specifically related to the electronic installation of a kind of band antenna.
Background technology
Easy to carry it is to consider one of the electronic installation with radio communication function or wireless networking (wireless Internet access) function
Individual key factor, such as notebook computer are a kind of electronic installations easy to carry.
The schematic diagram of the notebook computer as electronic installation category that Fig. 1 show in prior art, glimmering including having
The upper cover 10 of screen, as the lower cover 30 of basic computer with for connecting the rotating shaft 20 of upper cover 10 and lower cover 30.Along with wireless network
Development so that the notebook computer in prior art also develops towards the direction having radio network functions concurrently, and requirement
Conventional built-in (the most built-in) antenna keeps outward appearance terse as far as possible, but mostly still because of in view of multiple communication bands
Application, has at the IEEE802.11b/g specification of 2.4GHz frequency band and the IEEE802.11a/n/ of 5GHz frequency band the most simultaneously
Antenna area network (WWAN) function of ac specification, even some notebook computer also must support radio wide area network (WWAN)
Application, such as, must meet the wireless networking function of Long Term Evolution (LTE), and then make that notebook computer can use is wireless
Communication band increases day by day with frequency range.
Effect and the stability of use is sighted, before the concealed antenna of notebook computer is generally arranged at for outward appearance
Cover on stating.But, in order to make the outward appearance more sight property of notebook computer, the manufacturer of notebook computer is often by upper cover
The fluorescent screen frame of 10 significantly reduces (reduction), so that the position significantly limit that antenna is arranged, then in same wireless communication
Quality even require higher be wirelessly transferred usefulness under conditions of, for the antenna designers of notebook computer beyond doubt one
Planting challenge, technical scheme described below produces under this background.
Summary of the invention
The task of the present invention is to provide one to contribute to using aerial integration near rotating shaft reducing shared by antenna
Space avoid because the position that arranges antenna caused that reduces of fluorescent screen frame produces interference effect and electronics can be made to fill simultaneously
Put the radio wide area network possessing handover operation frequency and the band of application function being provided simultaneously with radio area network or WiFi
The electronic installation of antenna.
The task of the present invention is performed by, the electronic installation of a kind of band antenna, including: one first metal shell,
This first metal shell has a first side；One second metal shell, this second metal shell has a second side；One
One rotating shaft, this first rotating shaft is electrically connected to the first side of the first described metal shell and the second side of the second metal shell
Between；One second rotating shaft, this second rotating shaft is electrically connected to first side and second metal of the first described metal shell equally
Between the second side of housing；One grounding points, this grounding parts between the first described rotating shaft and the second rotating shaft and
With the second side electrical connection of the first side of described first metal shell and the second metal shell, wherein: described the
One rotating shaft, the first metal shell, grounding points and the second described metal shell collectively form one first and close slot antenna
Structure；One first antenna unit, this first antenna unit is positioned at the first described locked groove hole antenna structure and this first day
Line unit has one first Department of Radiation, one first low frequency feed side and one first earth terminal, the first low frequency feed side and
One earth terminal and the first Department of Radiation connect, and the first side of the end of this first Department of Radiation and described first metal shell is parallel the most also
And near described the first rotating shaft, the of described first earth terminal of described first antenna unit and described second metal shell
Dual side-edge is electrically connected, and the first low frequency feed side of this first antenna unit is used for feed-in the first low frequency radio frequency signal, when by the
During one low frequency feed side feed-in the first low frequency radio frequency signal, described first antenna unit constitutes planar inverted-f antenna；One first
Controlled capacitance connecting portion, the first controlled capacitance connecting portion is in the first described locked groove hole antenna structure and is positioned at institute simultaneously
Between first antenna unit and the grounding points stated, this first controlled capacitance connecting portion has one first end and one second
End, has one first controllable capacitance value between this first end and second end, described the of described first controlled capacitance connecting portion
One end is connected with the first side of described first metal shell, and described second end of the first controlled capacitance connecting portion and described the
The second side of two metal shells connects, and the first described controllable capacitance value is controlled by a control unit.
In a specific embodiment of the present invention, when described first controllable capacitance value being controlled by described control unit
During increase, the operation frequency exciting mode of described first locked groove hole antenna structure reduces.
In another specific embodiment of the present invention, when the first described controlled capacitance connecting portion with described first day
During Distance Shortened between line unit, the operation frequency exciting mode of described first locked groove hole antenna structure reduces.
In another specific embodiment of the present invention, the first described locked groove hole antenna structure is 1/2nd wavelength
Close slot antenna.
In another specific embodiment of the present invention, in the first low frequency feed side series connection of described first antenna unit
There is one first electric capacity, and be in series with one first inductance at the first earth terminal of described first antenna unit.
Also having in a specific embodiment in the present invention, described first antenna unit has one for feed-in first
First high frequency feed side of high frequency radio signals, this first high frequency feed side is connected with the first described Department of Radiation, described
One high frequency radio signals is the signal of 5GHz frequency band, when first described high frequency feed side feed-in the first high frequency radio signals,
The first described low frequency feed side and the first described earth terminal are formed as open circuit.
In more and in a specific embodiment of the present invention, by described first metal shell, grounding points, second turn
It is that one second locked groove hole antenna structure is used and made the described electronics with antenna that axle and the second metal shell collectively form
Device includes: one second antenna element, and the second antenna element has one second Department of Radiation, one second low frequency feed side and 1
Two earth terminals, the second low frequency feed side and the second earth terminal and the second Department of Radiation connect, and the second antenna element is positioned at this
In second locked groove hole antenna structure, the end of the second Department of Radiation is parallel to the described first side of described first metal shell and leans on
Nearly the second described rotating shaft, the second earth terminal of the second antenna element electrically connects with the second side of described second metal shell
Connecing, the second low frequency feed side of this second antenna element, in order to feed-in one second low frequency radio frequency signal, is wherein presented when the second low frequency
When entering to hold feed-in the second low frequency radio frequency signal, described second antenna element constitutes planar inverted-f antenna；One second controlled capacitance
Connecting portion, this second controlled capacitance connecting portion is in the second locked groove hole antenna structure and is positioned at the second antenna element and institute simultaneously
Stating between grounding parts, this second controlled capacitance connecting portion has one first end and one second end, the first end and the second end it
Between there is one second controllable capacitance value, described first end and the first of the first metal shell of described second controlled capacitance connecting portion
Side connects, and the second side of described second end of the second controlled capacitance connecting portion and the second metal shell connects, and institute
The second controllable capacitance value stated is controlled by described control unit.
The present invention's and then in a specific embodiment, the second described antenna element has one for feed-in second
Second high frequency feed side of high frequency radio signals, this second high frequency feed side is connected with the first described Department of Radiation, described
Two high frequency radio signals are the signal of 5GHz frequency band, when second described feed side feed-in the second high frequency radio signals, described
The second low frequency feed side and the second described earth terminal be formed as open circuit.
In the most more and in a specific embodiment of the present invention, when the second described controlled capacitance connecting portion and described the
During Distance Shortened between two antenna elements, the operation frequency exciting mode of described second locked groove hole antenna structure reduces.
In again and then in a specific embodiment of the present invention, described electronic installation is notebook computer.
Having the technical effect that of the technical scheme that the present invention provides is used for connecting electricity owing to being arranged on the position of antenna
Near first metal shell of sub-device and the first rotating shaft of the second metal shell and the second rotating shaft and utilize grounding parts
The rotating shaft, the first metal shell and the second metal shell that coordinate collectively form locked groove hole antenna structure, are closing slot antenna knot
Controlled capacitance connecting portion is used to connect first, second metal shell of electronic installation and use reduction and close being total to of slot antenna in structure
Vibration frequency, is reduced significantly shared by antenna in the rotating shaft of electronic installation with metal shell thereby through by aerial integration
Space, not only make notebook computer not lose the function of radio wide area network of handover operation frequency and simultaneously not lose radio zone
Territory network or the application function of WiFi and antenna is not arranged position produce to interfere by reducing of fluorescent screen frame and affected.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the notebook computer in prior art.
Fig. 2 is the embodiment schematic diagram of the electronic installation of the band antenna of the present invention.
Fig. 3 is the first locked groove hole antenna structure and the signal of first antenna unit of the electronic installation of the band antenna of the present invention
Figure.
Fig. 4 is that the first locked groove hole antenna structure shown in Fig. 3 and first antenna unit are with the first low frequency feed side feed-in
Return loss figure.
Fig. 5 is to remove the controlled capacitance connecting portion of Fig. 3 to form the schematic diagram closing slot antenna.
Fig. 6 is the return loss figure closing slot antenna of Fig. 5.
Fig. 7 be Fig. 3 the first locked groove hole antenna structure in by the position of the first controlled capacitance connecting portion to first antenna list
The schematic diagram returning loss change of unit's movement.
Fig. 8 is the return with the first high frequency feed side feed-in of the first locked groove hole antenna structure of Fig. 3 and first antenna unit
Loss figure.
Fig. 9 closes slot antenna knot for use the first locked groove hole antenna structure and second that another embodiment of the present invention provides
Structure is applied to the schematic diagram on notebook computer.
Detailed description of the invention
The electronic installation that the embodiment of the present invention enumerates is notebook computer, but the most therefore the present invention limits, as long as tool
Electronic installation such as intelligent mobile phone, personal digital assistant etc. of having two metal shells and the rotating shaft that connects both are the most applicable
The Antenna Design of the embodiment of the present invention.The embodiment of the present invention utilizes and realizes multifrequency antenna in the rotating shaft of the body of notebook computer and set
Meter, and can be used for radio wide area network (WWAN) (such as: Long Term Evolution (LTE) frequency range and WLAN
Or the application of WiFi (comprising 2.4GHz and 5GHz) (WLAN).
Refer to the front schematic view that Fig. 2, Fig. 2 are the notebook computers that the embodiment of the present invention provides.The embodiment of the present invention
Upper cover and the lower cover of notebook computer be the first metal shell and the second metal shell respectively so that notebook computer is metal
Casing.Fig. 2 eliminates the configuration such as keyboard, screen, uses and highlight the present embodiment primary clustering.Body junction with regard to notebook computer
For structure, notebook computer include having the first metal shell 40 (upper cover) of screen, the first rotating shaft 50A, grounding points 70,
Second rotating shaft 50B and the second metal shell 60 (lower cover).First rotating shaft 50A, the second rotating shaft 50B are in order to connect the first metal-back
Body 40 and the second metal shell 60, the first rotating shaft 50A and the second rotating shaft 50B are also that metal is made.On the other hand, ground connection is even
Connect circuit system and the signal connecting line of the first metal shell 40 that portion 70 can be the second metal shell 60, such as, include screen
The winding displacement (or further including the holding wire of video signal camera lens) of display signal, winding displacement equisignal line also has earth lead or metal screen
Cover 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
The most therefore the present invention limits.Grounding points 70 can also be other function or purposes (connection system circuit ground) connects
Ground metal assembly.In another embodiment, grounding points 70 can also be another rotating shaft (or referred to as the 3rd rotating shaft), and
It is conductively connected the first metal shell 40 and the second metal shell 60, but the most therefore the present invention limits the realization of grounding points 70
Mode, as long as grounding points 70 can be used for being arranged at the first rotating shaft 50A and the second rotating shaft 50B position between the two, and uses
To be conductively connected the first metal shell 40 and the second metal shell 60.
Applicant is to the first metal shell 40 (upper cover), the first rotating shaft 50A, grounding points the 70, second rotating shaft below
Annexation 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 arranged at the first side of the first metal shell 40
401 and second metal shell 60 second side 601 between.Second rotating shaft 50B is arranged at the first side of the first metal shell 40
Between limit 401 and the second side 601 of the second metal shell 60.Grounding points 70 is positioned at the first rotating shaft 50A and the second rotating shaft
Between 50B, and it is conductively connected first side 401 and the second side 601 of the second metal shell 60 of the first metal shell 40, its
In the first rotating shaft 50A, the first metal shell 40, grounding points 70 and the second metal shell 60 collectively form the first sky, locked groove hole
Line structure 80.
In addition, this electronic installation (notebook computer) with antenna further include be arranged at first close slot antenna knot
First antenna unit 81 in structure 80 and the first controlled capacitance connecting portion 82.
Refer to Fig. 3, Fig. 3 is that the first of the electronic installation with antenna that the embodiment of the present invention provides closes slot antenna knot
Structure 80 and the schematic diagram of first antenna unit 81.First antenna unit 81 has first Department of Radiation the 811, first low frequency feed side
812 and first earth terminal 813, the first low frequency feed side 812 and the first earth terminal 813 are connected with the first Department of Radiation 811, and
One antenna element 81 is positioned at the first locked groove hole antenna structure 80, and the end of the first Department of Radiation 811 is parallel to the first metal shell
The first side 401 of 40 and near the first rotating shaft 50A, and the first earth terminal 813 of first antenna unit 81 is electrically connected with second
The second side 601 of metal shell 60, the first low frequency feed side 812 of first antenna unit 81 is in order to feed-in the first low frequency radio frequency
Signal, wherein when with first low frequency feed side 812 feed-in the first low frequency radio frequency signal, first antenna unit 81 constitutes an inverted f
Shape plate aerial.First controlled capacitance connecting portion 82 is positioned at the first locked groove hole antenna structure 80, and is positioned at first antenna unit
Between 81 and grounding points 70, the first controlled capacitance connecting portion 82 has the first end 821 and the second end 822, and first is controlled
Having the first controllable capacitance value between first end 821 and second end 822 of electric capacity connecting portion 82, this first controllable capacitance value is such as
Use the controllable capacitance value assembly such as switch-capacitor or variable capacitance is set on the circuit of microwave base plate (or printed circuit board (PCB)) and
Realize, but the most therefore the present invention limits.Such as, in the present embodiment, the first controllable capacitance value is controlled even by control unit 100
The switch-capacitor Ca being connected between the first end 821 and the second end 822 realizes, and switch-capacitor Ca can also replace with variable capacitance,
But the most therefore the present invention limits.The control circuit of control unit 100 in figure 3 is only schematic diagram (to have the void of arrow
Line represents), therefore the control circuit when reality is applied not limit.First end 821 of the first controlled capacitance connecting portion 82
Connecting the first side 401 of the first metal shell 40, the second end 822 of the first controlled capacitance connecting portion 82 connects the second metal-back
The second side 601 of body 60, the first controllable capacitance value of the first controlled capacitance connecting portion 82 is controlled by control unit 100, controls
Unit 100 is such as arranged in the second metal shell 60, as a part for the circuit system of notebook computer.
Refer to the first locked groove hole antenna structure 80 that Fig. 4, Fig. 4 are Fig. 3 and first antenna unit 81 is presented with the first low frequency
Enter return loss (Return Loss) figure of end 812 feed-ins.When first low frequency feed side 812 feed-in the first low frequency radio frequency signal
Time, the first low frequency feed side 812 and first antenna unit 81 are as the excitaton source of the first locked groove hole antenna structure 80, the first locked groove
Hole antenna structure 80 excites mode M1 of 1/2nd wavelength resonances forms, and is adjusted by the first controlled capacitance connecting portion 82
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
One controllable capacitance value, the required frequency of optional mode M1.In the present embodiment, in order to reach mode M1 of low frequency up to LTE
The impedance frequency range of the operation frequency of 700 (698MHz 787MHz), length L of the first locked groove hole antenna structure 80 is about 105 millis
Rice (mm), width W is about 7 millimeters (mm), and the first controlled capacitance connecting portion 82 is about 9.5 millimeters with the distance of grounding points 70
(mm), and the first controllable capacitance value of the first controlled capacitance connecting portion 82 of using can such as 2pF, 2.4pF, 2.8pF with
Switch between the capacitance value range of 3.8pF.Furthermore, the end of the first Department of Radiation 811 is parallel to the distance of first side 401 and is about
1 millimeter, and the distance of the end of the first Department of Radiation 811 and the first rotating shaft 50A is about 15 millimeters.In another embodiment, low frequency
The frequency range of mode M1 can also be to include GSM 850, the frequency band of GSM 900, and its frequency range is 824 960MHz respectively
With 880 960MHz.It addition, mode M2 of display is the high order mode of mode M1 in Fig. 4.
First locked groove hole antenna structure 80 of the embodiment of the present invention is that 1/2nd wavelength close slot antenna, but compared to
Traditional closes unlike slot antenna, and the first locked groove hole antenna structure 80 of the embodiment of the present invention has the first controlled capacitance even
Meet portion 82.With reference to the return loss curve shown in Fig. 4, curve A1, A2, A3, A4 are the first controlled capacitance connecting portion 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 operation frequency exciting mode of the first locked groove hole antenna structure 80 reduces.At the same time,
Connect the first electric capacity C1 in first low frequency feed side 812 of one antenna element 81, and the first earth terminal 813 of first antenna unit 81 is gone here and there
Join the first inductance L1, in order to help impedance matching.First antenna unit 81 is such as with the metal structure being printed on microwave base plate
Realize, be e.g. printed in long 25 millimeters, the microwave base plate of wide 6 millimeters.And first electric capacity C1 and the first inductance L1 be surface stick
Assembly (SMD), e.g. chip capacity and chip inductance, all utilize stannum to connect mode and be conductively connected (series connection) first low frequency respectively
Feed side 812 and the first earth terminal 813.In the present embodiment, the capacitance of the first electric capacity C1 is 2.4pF, the first inductance L1's
Inductance value is 13nH, but the most therefore the present invention limits.It addition, the first earth terminal 813 may also set up switch, with control open circuit with
Short circuit so that when carrying out feed-in when the first low frequency feed side 812, make the first earth terminal (after the first inductance L1 that connects) short circuit connect
Ground (being connected to the ground connection of circuit system).
Refer to Fig. 5, be that the controlled capacitance connecting portion of Fig. 3 is removed and form the schematic diagram that closes slot antenna.If incite somebody to action this
The first controlled capacitance connecting portion 82 that Fig. 3 of inventive embodiments is provided removes, and low frequency to be reached is up to LTE 700
The impedance frequency range of the operation frequency of (698MHz 787MHz), then needing the extension of slotted eye is 135 millimeters (mm).
Refer to the return penalty values that Fig. 6, Fig. 6 are locked groove hole antenna structure, returning of Fig. 6 is lost compared to Fig. 4's
Return loss, it is seen that if not using the first controlled capacitance connecting portion 82 of the embodiment of the present invention, then the length of slotted eye need extend (by
105 millimeters extend to 135 millimeters), just can reach the resistance that lowest frequency is about the operation frequency of LTE 700 (698MHz 787MHz)
Anti-frequency range.It follows that the first controlled capacitance connecting portion 82 of the embodiment of the present invention can reach to reduce locked groove hole antenna structure
The purpose of size.
First radiofrequency signal is in addition to can being the signal of Long Term Evolution (LTE) frequency band, and the first radiofrequency signal is also
Can be GSM 850/900 (the 824 960 MHz) signal of frequency band, GSM 1800/1900/UMTS (1,710 2170 MHz)
The signal of frequency band, or the signal of LTE 2300/2500 (2,300 2690 MHz) frequency band.Or, the first radiofrequency signal also may be used
To be the signal of 2.4GHz frequency band, apply for 2.4GHz WLAN.Corresponding to the Antenna Design of Fig. 3, such as corresponding
Return in Fig. 4 is lost, and mode M1 can be applicable to the associated frequency band application less than 1GHz, and mode M2 can be applicable near 1.3GHz
Frequency band.Furthermore, then referring concurrently to Fig. 3 and Fig. 4, the first Department of Radiation 811 of first antenna unit 81 can provide the frequency to be
Resonance mode M3 near 2.4GHz, it is quarter-wave resonance mode.
Refer to Fig. 7, if the position of the first controlled capacitance connecting portion 82 is moved toward first antenna unit 81, be respectively by
The position of the first controlled capacitance connecting portion 82, toward first antenna unit 81 displacement 5 millimeters, 10 millimeters and 15 millimeters, returns loss song
Line is B1, B2, B3 respectively.It is to say, the distance of the first controlled capacitance connecting portion 82 and grounding points 70 be 14.5 millimeters,
19.5 millimeters, 24.5 millimeters time, return loss curve be B1, B2, B3 respectively.Curve is lost compared to the return before not moving
B0, if the first controlled capacitance connecting portion 82 is moved toward first antenna unit 81, the low-limit frequency of locked groove hole antenna structure 80
The mid frequency of operation mode can be lowered, and when the first controlled capacitance connecting portion 82 is closer to first antenna unit 81, then
The mid frequency of operation mode is the lowest.In short, the distance between the first controlled capacitance connecting portion 82 and first antenna unit 81
During shortening, the operation frequency exciting mode of the first locked groove hole antenna structure 80 reduces.This can be construed to, because of the first controllable electric
The capacitance holding connecting portion 82 can store bigger electric charge (for locked groove hole itself and first antenna unit 81), and
The electric current that can be excited antenna feed-in provides bigger electric current to guide degree, therefore can provide and be equivalent to extend current path
And cause the effect of frequency reducing.When the first controlled capacitance connecting portion 82 is closer to having (the first low frequency feed side, signal excitation source
812), during first antenna unit 81, the effect that equivalence extends current path is the most beneficial substantially so that the first locked groove hole antenna structure
The Frequency point of the resonance mode of 80 can be lowered further.
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
End 814 connection the first Department of Radiation 811, the first high frequency feed side 814 is in order to feed-in the first high frequency radio signals.On the other hand, when
During the first low frequency feed side 812 FD feed, the first high frequency feed side 814 is open circuit.First high frequency radio signals is 5GHz frequency
The signal of band, can be used for WLAN (WLAN) or the WiFi application of 5GHz frequency band.When the first high frequency feed side 814 feed-in
During the first high frequency radio signals, the first low frequency feed side 812 then can be by being controlled by of being each connected with the first earth terminal 813
The switch of control unit 100 (figure does not illustrates) and be set as open-circuit condition.Now, the first Department of Radiation of first antenna unit 81
811 is the quarter-wave monopole with two branch roads, and short branch road is that the end extending to the first Department of Radiation 811 (leans on
Nearly first rotating shaft 50A), the length of short branch road is about 7 millimeters, and long branch road is to extend to the first low frequency feed side 812 (connect with first
Ground end 813) part, the length of long branch road is about 15 millimeters.But, above-mentioned size is only to illustrate, and is not limited to
The present invention.
When reality is applied, the size of the notebook computer applied due to the embodiment of the present invention on current market often
See for little to about 11 to 12, maximum typically not greater than 15.Therefore, the rotating shaft to the notebook computer at the present embodiment makes
Design with double antenna, then may utilize the embodiment of the present invention Antenna Design because have the effect reducing locked groove hole length (L),
The design making double antenna can be applied to the rotating shaft of notebook computer easily.
Refer to Fig. 9, Fig. 9 is that use the first locked groove hole antenna structure and second that another embodiment of the present invention is provided closes
Slot antenna structure is in the schematic diagram of notebook computer.Grounding points the 70, first metal shell the 40, second rotating 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
Locked groove hole antenna structure 90 and its second interior antenna element 91 are analogous to the details of the second controlled capacitance connecting portion 92
The design principle of the embodiment of Fig. 3, its difference is 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 Department of Radiation, the second low frequency feed side and the second earth terminal
(the first Department of Radiation the 811, first low frequency feed side 812 and explanation of the first earth terminal 813 for Fig. 3 can be respectively referred to).The
Two low frequency feed sides are connected the second Department of Radiation with the second earth terminal, and the second antenna element 91 is positioned at the second locked groove hole antenna structure 90
In, the first side 401 of parallel first metal shell 40 of end of the second Department of Radiation and close second rotating shaft 50B, and second day
Second earth terminal of line unit 91 is electrically connected with the second side 601 of the second metal shell 60, the second of the second antenna element 91
Low frequency feed side is in order 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
Time, the second antenna element 91 constitutes a planar inverted-f antenna.Second controlled capacitance connecting portion 92 is positioned at second and closes slot antenna knot
In structure 90, and between the second antenna element 91 and grounding points 70, application in fig .9 is because of the rotating shaft of notebook computer
Side is longer, therefore can use another grounding points 70, but when reality is applied, two grounding points 70 in Fig. 9 can
To be integrated into single grounding points.Second controlled capacitance connecting portion 92 has the first end and the second end, the second controlled capacitance
Having the second controllable capacitance value (such as using switch-capacitor to realize) between first end and second end of connecting portion 92, second is controlled
First end of electric capacity connecting portion 92 connects the first side 401 of the first metal shell 40, the second of the second controlled capacitance connecting portion 92
End connects the second side 601 of the second metal shell 60, and the second controllable capacitance value of the second controlled capacitance connecting portion 92 is controlled by control
Unit processed (does not shows in Fig. 9, refer to Fig. 3 and aforesaid related description).Furthermore, the second antenna element 92 has more the second high frequency
Feed side (with reference to the explanation of the first high frequency feed side 814 for Fig. 3), the second high frequency feed side connects the second Department of Radiation, the
Two high frequency feed sides are in order to feed-in the second high frequency radio signals, and the second high frequency radio signals is the signal of 5GHz frequency band.When second
During the FD feed of low frequency feed side, the second high frequency feed side is open circuit.When second high frequency feed side feed-in the second high-frequency radio frequency is believed
Number time, the second low frequency feed side and the second earth terminal are open circuit.Further, the second low frequency feed side series connection of the second antenna element 92
Second electric capacity (with reference to the explanation of the first electric capacity C1 for Fig. 3), second earth terminal series connection the second electricity of the second antenna element 92
Sense (with reference to the explanation of the first inductance L1 for Fig. 3).Further, when the second controlled capacitance connecting portion 92 and the second antenna element 91
Between Distance Shortened time, the operation frequency exciting mode of the second locked groove hole antenna structure 90 reduces.
In sum, what the embodiment of the present invention was provided has the electronic installation of antenna, and the position of its antenna is disposed on
Near the rotating shaft of two metal shells connecting electronic installation, and grounding points is utilized to coordinate rotating shaft to realize closing slot antenna
Structure, and use controlled capacitance connecting portion to connect two metal shells of electronic installation in order to drop in the antenna structure of locked groove hole
The low resonant frequency closing slot antenna, is taken up space in order to reduce antenna.Thereby, can be by aerial integration turning in electronic installation
Axle, is particularly applied to the electronic installation with metal shell.Further, described in the foundation embodiment of the present invention, the embodiment of the present invention
The Antenna Design provided can apply 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
2300/2500 (2,300 2690 MHz), 2.4GHz WLAN (WLAN) and the WiFi WLAN of 5GHz
Deng application.
The foregoing is only embodiments of the present invention, the scope of the claims that it is not intended to limiting the invention.
Claims (10)
1. the electronic installation of a band antenna, it is characterised in that including: one first metal shell, this first metal shell has one
First side；One second metal shell, this second metal shell has a second side；One first rotating shaft, this first rotating shaft electricity
It is connected between first side and the second side of the second metal shell of the first described metal shell；One second rotating shaft, should
Second rotating shaft is electrically connected between first side and the second side of the second metal shell of the first described metal shell equally；
One grounding points, this grounding parts between the first described rotating shaft and the second rotating shaft and with described first metal shell
The second side electrical connection of first side and the second metal shell, wherein: described the first rotating shaft, the first metal shell,
Grounding points and the second described metal shell collectively form one first locked groove hole antenna structure；One first antenna unit,
This first antenna unit is positioned at the first described locked groove hole antenna structure and this first antenna unit has one first radiation
Portion, one first low frequency feed side and one first earth terminal, the first low frequency feed side and the first earth terminal and the first Department of Radiation
Connecting, the first side of the end of this first Department of Radiation and described first metal shell is parallel and near described first turn
Axle, described first earth terminal of described first antenna unit and the second side electrical connection of described second metal shell, be somebody's turn to do
First low frequency feed side of first antenna unit is used for feed-in the first low frequency radio frequency signal, when by the first low frequency feed side feed-in the
During one low frequency radio frequency signal, described first antenna unit constitutes planar inverted-f antenna；One first controlled capacitance connecting portion, the
One controlled capacitance connecting portion is in the first described locked groove hole antenna structure and is positioned at described first antenna unit simultaneously
And between grounding points, this first controlled capacitance connecting portion has one first end and one second end, at this first end and
There is between two ends one first controllable capacitance value, described first end of described first controlled capacitance connecting portion and described first metal
The first side of housing connects, and described second end of the first controlled capacitance connecting portion and the second side of described second metal shell
Limit connects, and the first described controllable capacitance value is controlled by a control unit.
The electronic installation of band antenna the most according to claim 1, it is characterised in that when the institute being controlled by described control unit
When stating the first controllable capacitance value increase, the operation frequency exciting mode of described first locked groove hole antenna structure reduces.
The electronic installation of band antenna the most according to claim 1, it is characterised in that when the first described controlled capacitance connects
During Distance Shortened between portion and described first antenna unit, the operation frequency exciting mode of described first locked groove hole antenna structure
Rate reduces.
The electronic installation of band antenna the most according to claim 1, it is characterised in that the first described locked groove hole antenna structure
It is that 1/2nd wavelength close slot antenna.
The electronic installation of band antenna the most according to claim 1, it is characterised in that at the first of described first antenna unit
Low frequency feed side is in series with one first electric capacity, and is in series with one first inductance at the first earth terminal of described first antenna unit.
The electronic installation of band antenna the most according to claim 1, it is characterised in that described first antenna unit has one
For the first high frequency feed side of feed-in the first high frequency radio signals, this first high frequency feed side is with the first described Department of Radiation even
Connect, the described signal that the first high frequency radio signals is 5GHz frequency band, when first described high frequency feed side feed-in the first high frequency
During radiofrequency signal, the first described low frequency feed side and the first described earth terminal are formed as open circuit.
The electronic installation of band antenna the most according to claim 1, it is characterised in that by described first metal shell, ground connection even
Connect portion, the second rotating shaft and the second metal shell and collectively form be one second locked groove hole antenna structure use make described with
The electronic installation of antenna includes: one second antenna element, and the second antenna element has one second Department of Radiation, one second low frequency feed-in
End and one second earth terminal, the second low frequency feed side and the second earth terminal and the second Department of Radiation connect, and the second antenna
Unit is positioned at this second locked groove hole antenna structure, and the end of the second Department of Radiation is parallel to described the of described first metal shell
One side and the second side near the second described rotating shaft, the second earth terminal of the second antenna element and described second metal shell
Limit is electrically connected, and the second low frequency feed side of this second antenna element is in order to feed-in one second low frequency radio frequency signal, wherein when the
During two low frequency feed side feed-in the second low frequency radio frequency signals, described second antenna element constitutes planar inverted-f antenna；One second
Controlled capacitance connecting portion, this second controlled capacitance connecting portion is in the second locked groove hole antenna structure and is positioned at the second antenna simultaneously
Between unit and described grounding parts, this second controlled capacitance connecting portion has one first end and one second end, the first end with
There is between second end one second controllable capacitance value, described first end of described second controlled capacitance connecting portion and the first metal-back
The first side of body connects, and the second side of described second end of the second controlled capacitance connecting portion and the second metal shell is even
Connect, and the second described controllable capacitance value is controlled by described control unit.
The electronic installation of band antenna the most according to claim 7, it is characterised in that the second described antenna element has one
For the second high frequency feed side of feed-in the second high frequency radio signals, this second high frequency feed side is with the first described Department of Radiation even
Connect, the described signal that the second high frequency radio signals is 5GHz frequency band, when second described feed side feed-in the second high-frequency radio frequency
During signal, the second described low frequency feed side and the second described earth terminal are formed as open circuit.
The electronic installation of band antenna the most according to claim 7, it is characterised in that when the second described controlled capacitance connects
During Distance Shortened between portion and described second antenna element, the operation frequency exciting mode of described second locked groove hole antenna structure
Rate reduces.
10. according to the electronic installation of the band antenna described in claim 1 to 9 any claim, it is characterised in that described electricity
Sub-device is notebook computer.
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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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| CN106058429B CN106058429B (en) | 2019-03-12 |
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| CN107946747A (en) * | 2017-11-29 | 2018-04-20 | 深圳市信维通信股份有限公司 | A kind of double WIFI mimo antennas and the all-metal notebook using the antenna |
| CN108511873A (en) * | 2018-03-09 | 2018-09-07 | 常熟市泓博通讯技术股份有限公司 | Mobile communication device for the 5th generation mobile network |
| CN108521060A (en) * | 2018-03-30 | 2018-09-11 | 联想(北京)有限公司 | A kind of connector and electronic equipment |
| CN109216894A (en) * | 2018-09-14 | 2019-01-15 | 联想(北京)有限公司 | A kind of antenna structure and electronic equipment |
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| CN111799544A (en) * | 2020-08-14 | 2020-10-20 | 上海安费诺永亿通讯电子有限公司 | Ultra-wideband antenna of reversible electronic equipment |
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| US20220052451A1 (en) * | 2020-08-14 | 2022-02-17 | Shanghai Amphenol Airwave Communication Electronics Co., Ltd | Ultra-wideband antenna for reversible electronic device |
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| 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 |
| CN114171891A (en) * | 2020-09-10 | 2022-03-11 | 华为技术有限公司 | Antenna for foldable electronic equipment and foldable electronic equipment |
| WO2022052690A1 (en) * | 2020-09-10 | 2022-03-17 | 华为技术有限公司 | Antenna for foldable electronic device and foldable electronic device |
| 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 |
| US20240030607A1 (en) * | 2020-09-10 | 2024-01-25 | Huawei Technologies Co., Ltd. | Antenna for Foldable Electronic Device and Foldable Electronic Device |
| CN115117600A (en) * | 2021-03-22 | 2022-09-27 | 启碁科技股份有限公司 | Antenna structure and 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 |
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