CN106299679B - Antenna and radiofrequency signal R-T unit - Google Patents
Antenna and radiofrequency signal R-T unit Download PDFInfo
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- CN106299679B CN106299679B CN201510304838.4A CN201510304838A CN106299679B CN 106299679 B CN106299679 B CN 106299679B CN 201510304838 A CN201510304838 A CN 201510304838A CN 106299679 B CN106299679 B CN 106299679B
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Abstract
Antenna and radiofrequency signal R-T unit.Antenna includes substrate and the antenna structure that is set on substrate；Antenna structure includes ground plane, the first irradiation unit, the second irradiation unit, metal Coupling portion, third irradiation unit and load point；Ground plane includes grounding point；There is first irradiation unit the first bending, the second bending and open end, the first irradiation unit to extend from grounding point, and the open end of the first irradiation unit is adjacent to ground plane；The section between the second bending and open end of the section to the first irradiation unit between the first bending and grounding point of second irradiation unit from the first irradiation unit extends；Metal Coupling portion is adjacent to ground plane, the second bending of the first irradiation unit and open end and the second irradiation unit；Third irradiation unit is set between the second irradiation unit and ground plane, is extended from metal Coupling portion to the section between the first of the first irradiation unit the bending and grounding point；Load point couples third irradiation unit and metal Coupling portion junction.The present invention can receive and dispatch multiple radiofrequency signals positioned at multiple frequency bands.
Description
Technical field
The present invention relates to a kind of antenna and radiofrequency signal R-T unit, and in particular to a kind of antenna and including the antenna
Radiofrequency signal R-T unit.
Background technique
With making rapid progress for science and technology, electronic apparatus, such as smartphone and tablet computer etc., i.e., extensively
Ground is present in public life.In general, electronic apparatus is provided with the transceiver module of radio frequency signal and its right
The antenna structure answered, so that electronic apparatus has the transmitting-receiving ability of radio frequency signal to provide making for electronic apparatus
Demand in user's call and data transmission.Antenna structure on the electronic apparatus then needs penetrating for corresponding required transmitting-receiving
The frequency band of frequency signal and characteristic are arranged, wherein may include one or more antennas to receive and dispatch corresponding radiofrequency signal.
The volume limited size of antenna itself usually more difficult is put in the length of the wavelength of the radiofrequency signal of corresponding transmitting-receiving
Possibility that is big and reducing.In addition, the designer of electronic apparatus must also cooperate antenna setting to correspond to antenna volume itself
The empty regions of size, so that the transmitting-receiving ability of antenna is not influenced by other assemblies in electronic apparatus.But in order to just
In carrying, electronic apparatus is just designed towards light and short direction in design.Along with light and short in this way
Design requirement, antenna then increase more problems in need of consideration in setting.For example, how being arranged in certain space can receive
The integrated antenna of the radiofrequency signal of multiband is sent out, is as solved the problems, such as needed for those skilled in the art.
Accordingly, it is desirable to provide a kind of antenna and radiofrequency signal R-T unit solve the above problems.
Summary of the invention
The present invention provides a kind of antenna, has the antenna structure of miniaturization, can also comply with the requirement of multiband operation.
Antenna of the invention, including the antenna structure being set on substrate.Antenna structure includes ground plane, the first radiation
Portion, the second irradiation unit, metal Coupling portion, third irradiation unit and load point.Ground plane includes grounding point.First irradiation unit has
First bending, the second bending and open end.First irradiation unit extends from grounding point and its open end is adjacent to ground plane.Second spoke
Penetrate second bending and open end of the portion from the section between the first of the first irradiation unit the bending and grounding point to the first irradiation unit it
Between section extend.Metal Coupling portion is adjacent to ground plane, the second bending of the first irradiation unit and open end and the second radiation
Portion.Third irradiation unit is set between the second irradiation unit and ground plane, from metal Coupling portion to the first of the first irradiation unit the bending
Section between grounding point extends.Load point couples third irradiation unit and metal Coupling portion junction.
The present invention provides a kind of antenna, which includes: a substrate；One antenna structure, the antenna structure are set to the base
On plate, which includes: a ground plane, which includes a grounding point；One first irradiation unit, first irradiation unit tool
Have one first bending, one second bending and an open end, wherein first irradiation unit from the grounding point extend and this first
The open end of irradiation unit is adjacent to the ground plane；One second irradiation unit, second irradiation unit from first irradiation unit this first
The section between second bending and the open end of the section to first irradiation unit between bending and the grounding point extends；One
Metal Coupling portion, the metal Coupling portion adjacent to the ground plane, first irradiation unit this second bending and the open end, and
Second irradiation unit；One third irradiation unit, the third irradiation unit are set between second irradiation unit and the ground plane, from the gold
The section belonged between first bending and the grounding point of the coupling part to first irradiation unit extends；And a load point, the feedback
Access point couples the third irradiation unit and the metal Coupling portion junction.
Radiofrequency signal R-T unit of the invention, including radio-frequency signal processing module and the day knot being set on substrate
Structure.Antenna structure includes ground plane, the first irradiation unit, the second irradiation unit, metal Coupling portion, third irradiation unit and load point.
Ground plane includes grounding point.First irradiation unit has the first bending, the second bending and open end.First irradiation unit is from grounding point
Extend and its open end is adjacent to ground plane.Second irradiation unit from the section between the first of the first irradiation unit the bending and grounding point to
Section between second bending of the first irradiation unit and open end extends.Metal Coupling portion is adjacent to ground plane, first irradiation unit
Second bending and open end and the second irradiation unit.Third irradiation unit is set between the second irradiation unit and ground plane, from gold
The section belonged between the first bending and grounding point of the coupling part to the first irradiation unit extends.Load point couples third irradiation unit and gold
Belong to coupling part junction.Wherein, radio-frequency signal processing module coupling antenna structure, and radio-frequency signal processing module passes through feed-in
Point is located at multiple radiofrequency signals of multiple frequency bands using antenna structure transmitting-receiving.
The present invention provides a kind of radiofrequency signal R-T unit, which includes: radiofrequency signal processing
Module；One substrate；One antenna structure, the antenna structure are set on the substrate, which includes: a ground plane, this connects
Ground includes a grounding point；One first irradiation unit, first irradiation unit have one first bending, one second bending and an open circuit
End, wherein first irradiation unit extends from the grounding point and the open end of first irradiation unit is adjacent to the ground plane；One
Two irradiation units, the section between first bending and the grounding point of second irradiation unit from first irradiation unit is to first spoke
The section penetrated between second bending in portion and the open end extends；One metal Coupling portion, the metal Coupling portion is adjacent to the ground connection
Face, second bending of first irradiation unit and the open end and second irradiation unit；One third irradiation unit, the third
Irradiation unit is set between second irradiation unit and the ground plane, from the metal Coupling portion to first irradiation unit this is first curved
Section between folding and the grounding point extends；And a load point, the load point couple the third irradiation unit and the metal Coupling
Portion junction, wherein the radio-frequency signal processing module couples the antenna structure, and the radio-frequency signal processing module passes through the feedback
Access point is located at multiple radiofrequency signals of multiple frequency bands using antenna structure transmitting-receiving.
Based on above-mentioned, the present invention, which provides a kind of antenna and the radiofrequency signal R-T unit including the antenna, can pass through it
In antenna structure transmitting-receiving be located at multiple frequency bands multiple radiofrequency signals.Wherein the antenna structure is not influencing antenna efficiency
Under the premise of, reach the design object of miniature antenna structure.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is attached appended by cooperation
Figure is described in detail below.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.
Fig. 2 is the functional block diagram of the radiofrequency signal R-T unit according to depicted in one embodiment of the invention.
Fig. 3 is the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.
Fig. 4 A and Fig. 4 B are the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.
Fig. 5 is the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.
Fig. 6 is the voltage standing wave ratio figure of antenna in embodiment illustrated in fig. 3.
Primary clustering symbol description:
10,20,30,40 antenna structure
120 second irradiation units
140 third irradiation units
200 radio frequency signal transceiving modules
FP load point
GND ground plane
The section of the first irradiation unit of S1~S3
G1~G3 spacing
The elongated area EA
The orthographic projection of 150 ' the 4th irradiation units
M2~M10 point of observation
M1 point of observation
110 first irradiation units
130 metal Coupling portions
100 radiofrequency signal R-T units
ST substrate
GP grounding point
EP1~EP3 excitation path
The bending of the first irradiation unit of B1, B2
OE1~OE3 open end
150 the 4th irradiation units
160 extend radiator
The surface of F1, F2 substrate
Specific embodiment
Fig. 1 is the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.Fig. 1 is please referred to, in the present embodiment
In, antenna includes the antenna structure 10 being set on substrate ST.Antenna structure 10 includes ground plane GND, the first irradiation unit
110, the second irradiation unit 120, metal Coupling portion 130, third irradiation unit 140 and load point FP.Ground plane GND includes grounding point
GP.In the present embodiment, ㄇ font is presented in the first irradiation unit 110, has the first bending B1, the second bending B2 and open end
OE1.First irradiation unit 110 extends from grounding point GP and the open end OE1 of the first irradiation unit 110 is adjacent to ground plane GND.
Second irradiation unit 120 has open end OE2, between the first bending B1 and grounding point GP of the first irradiation unit 110
Section (that is, first section S1 of the first irradiation unit 110) to the first irradiation unit 110 second bending B2 and open end OE1 it
Between section (that is, second section S2 of the first irradiation unit 110) extend.Metal Coupling portion 130 is adjacent to ground plane GND, the first spoke
The the second bending B2 and open end OE1 and the second irradiation unit 120 for penetrating portion 110 (are specifically, neighbouring second irradiation unit 120
Open end OE2).Third irradiation unit 140 has open end OE3, and wherein third irradiation unit 140 is set to the second irradiation unit 120
Between ground plane GND, from metal Coupling portion 130 to the area between the first of the first irradiation unit 110 the bending B1 and grounding point GP
Section (that is, first section S1 of the first irradiation unit 110) extends.Load point FP couples third irradiation unit 140 and metal Coupling portion 130
Junction.
The antenna may be disposed in a radiofrequency signal R-T unit, and the radiofrequency signal R-T unit can pass through
Load point FP is located at multiple radiofrequency signals of multiple frequency bands using the transmitting-receiving of antenna structure 10.For example, Fig. 2 is real according to the present invention one
Apply the functional block diagram of radiofrequency signal R-T unit depicted in example.Fig. 1 and Fig. 2 is please referred to, radiofrequency signal R-T unit 100 exists
It further include radio frequency signal transceiving module 200 outside above-mentioned antenna, by a coaxial cable coupling antenna structure 10 (for example, coaxial cable
The internal core wire of line is connected to load point FP and outer mesh grid is connected to ground plane GND), radio frequency signal transceiving module 200
It is located at the radiofrequency signal of different frequency bands by the coaxial cable feed-in/reception connecting with antenna structure 10.For example, the frequency band
Include first band, second band and third frequency band, correspond respectively to the low-frequency band not overlapped each other, in one again and again
Band and a high frequency band, and radiofrequency signal R-T unit 100 can excite production with the part of antenna structure 10 respectively
Raw mode transmitting-receiving corresponds to the radiofrequency signal in above-mentioned first band, second band and third frequency band.
Specifically, when feed-in/reception is located at first radiofrequency signal of first band, antenna structure 10 is according to monopole
(monopole) coupled antenna principle, using third irradiation unit 140 and the first irradiation unit 110 of coupling of metal Coupling portion 130
A first mode is excited to receive and dispatch first radiofrequency signal, wherein (as ㄇ font corresponds to the to the length of the first irradiation unit
The length of first excitation path EP1 of one mode) less than the quarter-wave of the first radiofrequency signal.
When feed-in/reception is located at the second radiofrequency signal of second band, antenna structure 10 is former according to monopole coupled antenna
Reason couples the second irradiation unit 120 using third irradiation unit 140 and excites second mode to receive and dispatch the second radiofrequency signal.Correspond to
Second excitation path EP2 of second mode path length (that is, between open end OE2 to grounding point GP, the excitation path of L-type
The path length of EP2) less than the quarter-wave of the second radiofrequency signal.
Similarly, it is located at when by feeding portion FP feed-in/reception between metal Coupling portion 130 and third irradiation unit 140
When the third radiofrequency signal of third frequency band, antenna structure 10 is excited using load point FP and is generated according to monopole coupled antenna principle
Third mode is to receive and dispatch third radiofrequency signal.Wherein, corresponding to the path length of the third excitation path EP3 of third mode (that is,
Between the open end OE3 to load point FP of third irradiation unit 140) it is less than the quarter-wave of third radiofrequency signal.
In an embodiment of the present invention, above-mentioned first band be set between about 790MHz to 960MHz, second
Frequency band is set between about 1710MHz to 2170MHz, and third frequency band be set between about 2500MHz to 2700MHz it
Between.Above-mentioned frequency band can cover long-term evolution in such as forth generation wireless communication standard (Long Term Evolution,
LTE) global mobile system (global system in standard, third generation wireless communication standard and second generation wireless communication standard
For mobile, GSM) frequency band.Whereby, the radio frequency signal transceiving module of radiofrequency signal R-T unit can pass through the day
Cable architecture 10 receives and dispatches the radiofrequency signal for meeting above-mentioned mobile communication standard.
On the other hand, due to the setting relationship in antenna structure 10 between metal Coupling portion 130 and each irradiation unit, side
The first excitation path EP1, the second excitation path EP2 and third excitation path EP3 may make all to be smaller than its corresponding transmitting-receiving
The first radiofrequency signal, the quarter-wave of the second radiofrequency signal and third radiofrequency signal, or even be similar to above-mentioned respectively penetrate
/ 6th wavelength of frequency signal.The setting person of antenna structure 10 can also be by above-mentioned each metal Coupling portion 130 and each
Spacing between irradiation unit adjusts the path length of impedance matching, operation frequency range and/or excitation path EP1~EP3.
For example, in the present embodiment, the spacing between metal Coupling portion 130 and the first irradiation unit 110 be the first spacing G1,
Spacing between third irradiation unit 140 and the second irradiation unit 120 is the second spacing G2, and third irradiation unit 140 and ground plane GND
Between spacing be third spacing G3.In the present embodiment, that is, the width of the first spacing is set between 0.3mm between 1.3mm.
Second spacing and third spacing are then respectively set as width between 0.5mm between 1mm.Under such setting, first swashs
Hair path EP1, the second excitation path EP2 and third excitation path EP3 can all be arranged to be similar to above-mentioned each radiofrequency signal
1/6th wavelength, be also still able to maintain good antenna efficiency.
Fig. 3 is the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.Wherein, embodiment shown in Fig. 3
In antenna structure 20 in the setting relationship of each component can refer to embodiment illustrated in fig. 1, in which not repeat.And with Fig. 1 institute
Show unlike embodiment, in the embodiment shown in fig. 3, the open end OE2 of the second irradiation unit 120 is a stepped setting.
The stepped embodiment such as the open end OE2 of the second irradiation unit 120 in the present embodiment may make transmitting-receiving to correspond to the second spoke
Energy is more concentrated when penetrating in the second band in portion 120 compared with the radiofrequency signal of low frequency, and then effectively promotes antenna efficiency.Example
Such as, the second band cooperates the open end of the second irradiation unit 120 in the present embodiment between about 1710MHz to 2170MHz
The embodiment of OE2 can then make antenna structure 20 for headend frequency close to the radiofrequency signal of 1710MHz have compared with
Good transmitting-receiving ability.
In the embodiment shown in fig. 3, another is unlike embodiment illustrated in fig. 1, the third area of the first irradiation unit 110
Section S3 (that is, section between the first bending B1 of the first irradiation unit 110 and the second bending B2) is not wide section.In detail
For, the width of the part of the third section S3 adjacent metal coupling part 130 of first irradiation unit 110 is compared with the first irradiation unit
The other parts of 110 third section S3 are width, increase elongated area EA.Third section S3 broadening part is (that is, extension area
Domain EA) it is closer to the open end OE1 of the first irradiation unit 110, such setting is in addition to having adjustment impedance matching and increasing
Outside the bandwidth for adding the corresponding first band of the first irradiation unit 110, it is similar to setting for the open end OE2 of above-mentioned second irradiation unit 120
It sets, such setting can make antenna structure 20 penetrate headend frequency close to the relatively low frequency part of first band
Frequency signal has preferable transmitting-receiving ability.
Fig. 4 A and Fig. 4 B are the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.Wherein in this implementation
In example, the first surface F1 and second surface F2 of substrate ST all include the component in antenna structure 30.Fig. 4 A is according to this
Invent the structural schematic diagram that some antennas structure 30 of first surface F1 of substrate ST is set to depicted in an embodiment.Its
In, it include the first irradiation unit 110, the second irradiation unit 120, third spoke in antenna structure 30 on the first surface F1 of substrate ST
Penetrate portion 140, metal Coupling portion 130 and ground plane GND.Wherein, in the present embodiment, it is set to the first surface F1 of substrate ST
The antenna structure 30 in the first irradiation unit 110, the second irradiation unit 120, third irradiation unit 140, metal Coupling portion 130
And embodiment between ground plane GND and setting relationship can refer to embodiment illustrated in fig. 2, in which not repeat.
Fig. 4 B is some antennas knot that the second surface F2 of substrate ST is set to according to depicted in one embodiment of the invention
The structural schematic diagram of structure 30.And unlike embodiment illustrated in fig. 2, in the present embodiment, antenna structure 30, which further comprises, to be set
The 4th irradiation unit 150 being placed on the second surface F2 of substrate ST.Wherein, as shown in Figure 4 A, the 4th irradiation unit 150 is in substrate ST
The orthographic projection 150 ' of first surface F1 be connected with metal Coupling portion 130 and third radiator 140, and with the second irradiation unit
120 it is adjacent and have certain spacing.In this embodiment, first mode, second mode are generated when antenna structure 30 is excited
Or when third mode, also there is energy coupling to the 4th irradiation unit 150, especially when generating second mode, antenna structure 10
According to monopole coupled antenna principle, the second irradiation unit 120 and the 4th irradiation unit 150 are coupled using third irradiation unit 140 and is swashed
When sending out second mode to receive and dispatch the second radiofrequency signal, the 4th irradiation unit 150 then can effectively promote the radiation benefit of second mode.
Therefore, between the size and the 4th irradiation unit 150 and the second irradiation unit 120 of the 4th irradiation unit 150 spacing width
Degree can also be used to adjustment first mode, second mode or third mode and (mainly correspond to the second mould of the second irradiation unit 120
State) operating frequency point and overall antenna structure 30 impedance matching.
Fig. 5 is the structural schematic diagram of the antenna according to depicted in one embodiment of the invention.Wherein, embodiment shown in Fig. 5
In, the embodiment and setting relationship of each component in antenna structure 40 can refer to Fig. 4 A, Fig. 4 B illustrated embodiment, herein
It does not repeat then.But unlike Fig. 4 A, Fig. 4 B illustrated embodiment, in the embodiment shown in fig. 5, antenna structure 40 is further comprised
Extend radiator 160, extends from the outside vertical of the third section S3 of the first radiator 110 in the direction of substrate ST (for example, base
Plate ST is parallel with X/Y plane, and is Z-direction perpendicular to the direction of substrate ST).And the third area of above-mentioned first radiator 110
The outside of section S3 is a side far from grounding parts GND.Extending radiator 160 can be used to increase bandwidth, be particularly corresponding to the
The bandwidth of operation of the first mode of one radiator 110.It is connected due to extending radiator 160 with the first radiator 110, extends
Radiator 160 also can be used to adjust impedance matching.In the present embodiment, as shown in figure 5, extending the length and the of radiator 160
The third section S3 length of one radiator 110 is identical, i.e., radiates in the side of the third section S3 of the first radiator 110 and extension
Body 160 connects.The setting person of antenna can (such as above-mentioned bandwidth and the demand or radio frequency of impedance matching according to actual needs
The demands such as the design of signal receiving/transmission device) length for extending radiator 160 is adjusted (for example, being equal to or less than the first radiation
The length of the third section S3 of body 110) and highly (that is, extending radiator 160 from substrate ST along the side perpendicular to substrate ST
The width extended to (that is, Z-direction)).
Fig. 6 be embodiment illustrated in fig. 3 in antenna structure voltage standing wave ratio (voltage standing wave ratio,
VSWR) figure.In the present embodiment, first band is set between about 790MHz to 960MHz (between point of observation M2~M4
Between), second band be set between about 1710MHz to 2170MHz (between point of observation M5~M8), and third frequency
Band is set between about 2500MHz to 2700MHz (between point of observation M9~M10).Fig. 6 is please referred to, i.e. from Fig. 6
Road, in the range of above-mentioned first band, second band and third frequency band, voltage standing wave ratio is smaller than 5 or even big portion
The region divided is also less than 3, indicates that the antenna structure shown in the present invention has good impedance matching and signal transmitting and receiving ability.
If in Fig. 4 A, Fig. 4 B illustrated embodiment in the VSWR figure of antenna structure 30, the low frequency section of second band (corresponds to observation
Around point M5, M6) VSWR performance i.e. be preferred compared with embodiment illustrated in fig. 3 (referring to Fig. 6).If Fig. 4 A, Fig. 4 B illustrated embodiment
The VSWR of middle antenna structure 30 schemes compared with Fig. 5, then right other than having preferable performance around above-mentioned point of observation M5, M6
Should show in the VSWR of first band (between point of observation M2~M4) will also be better than embodiment illustrated in fig. 3.
In conclusion utilizing list the present invention provides a kind of antenna and including the radiofrequency signal R-T unit of the antenna
The relationship that each irradiation unit and coupling metal portion are mutually coupled in excitation in pole Principle of Antenna and antenna structure, so that antenna
Structure is smaller than the area that the antenna structure of similar frequency bands signal is received and dispatched in well-known technique, in the demand for meeting multiband operation
Outside, also reach miniaturization and the good target of efficiency.
Although the present invention is disclosed as above with embodiment, it is not intended to limit the invention, any affiliated technology neck
Those of ordinary skill in domain should can make a little change and profit without departing from the spirit and scope of the present invention
Decorations, therefore protection scope of the present invention should regard subject to the range institute defender of appended claims.
Claims (20)
1. a kind of antenna, the antenna include:
One substrate；
One antenna structure, the antenna structure are set on the substrate, which includes:
One ground plane, the ground plane include a grounding point；
One first irradiation unit, first irradiation unit have one first bending, one second bending and an open end, wherein this first
Irradiation unit extends from the grounding point and the open end of first irradiation unit is adjacent to the ground plane；
One second irradiation unit, second irradiation unit from first irradiation unit this first bending the grounding point between one first
One second section between second bending and the open end of the section to first irradiation unit extends；
One metal Coupling portion, second bending and the open circuit of the metal Coupling portion adjacent to the ground plane, first irradiation unit
End and second irradiation unit, wherein second irradiation unit is set between first section and the metal Coupling portion, and the gold
Belong to coupling part to be set between second irradiation unit and second section；
One third irradiation unit, the third irradiation unit are set between second irradiation unit and the ground plane, from the metal Coupling portion
Extend to first section；And
One load point, the load point couple the third irradiation unit and the metal Coupling portion junction；
Wherein, the antenna structure is to receive and dispatch the multiple radiofrequency signals for being located at multiple frequency bands.
2. antenna as described in claim 1, in which:
Multiple frequency band includes a first band and multiple radiofrequency signal includes one first radio frequency positioned at the first band
Signal；And
The antenna structure couples first irradiation unit using the third irradiation unit and excites one according to a monopole coupled antenna principle
First mode is to receive and dispatch first radiofrequency signal, and wherein the path length of one first excitation path is less than this in first irradiation unit
The quarter-wave of first radiofrequency signal.
3. antenna as described in claim 1, in which:
Second irradiation unit has an open end, the neighbouring metal Coupling portion；
Multiple frequency band includes a second band and multiple radiofrequency signal includes one second radio frequency positioned at the second band
Signal；And
The antenna structure couples second irradiation unit using the third irradiation unit and excites one according to a monopole coupled antenna principle
Second mode is to receive and dispatch second radiofrequency signal, wherein open end of second irradiation unit to one second between the grounding point
The path length of excitation path is less than the quarter-wave of second radiofrequency signal.
4. antenna as claimed in claim 3, in which:
The open end of second irradiation unit is step type.
5. antenna as claimed in claim 4, in which:
The substrate include a first surface and first irradiation unit in a second surface and the antenna structure, this
Two irradiation units, the third irradiation unit, the metal Coupling portion and the ground plane are arranged at the first surface of the substrate；And
The antenna structure further include:
One the 4th irradiation unit, the 4th irradiation unit are set on the second surface of the substrate, and wherein the 4th irradiation unit is at this
The orthographic projection of the first surface of substrate is connected with the metal Coupling portion and the third radiator, and with second irradiation unit
It is adjacent.
6. antenna as claimed in claim 5, in which:
The antenna structure according to the monopole coupled antenna principle, using the third irradiation unit couple second irradiation unit and this
Four irradiation units and excite the second mode to receive and dispatch second radiofrequency signal.
7. antenna as described in claim 1, in which:
The third irradiation unit has an open end, neighbouring first section；
Multiple frequency band includes a third frequency band and multiple radiofrequency signal includes the third radio frequency positioned at the third frequency band
Signal；And
The antenna structure excites a third according to a monopole coupled antenna principle, using the load point feed-in third irradiation unit
Mode is to receive and dispatch the third radiofrequency signal, and wherein the open end of the third irradiation unit excites road to the third between load point
The path length of diameter is less than the quarter-wave of the third radiofrequency signal.
8. antenna as described in claim 1, in which:
There is one first spacing between the metal Coupling portion and first irradiation unit；And
The width of first spacing is between 0.3mm between 1.3mm.
9. antenna as described in claim 1, in which:
There is one second spacing between the third irradiation unit and second irradiation unit: and
There is a third spacing between the third irradiation unit and the ground plane,
Wherein, the width of second spacing and the third spacing is between 0.5mm between 1mm.
10. antenna as described in claim 1, wherein the antenna structure further include:
One extends radiator, and the extension radiator is from a third section of first radiator far from a side court of the ground plane
Extend perpendicular to the direction of the substrate, wherein the third section of first radiator is located at this and first bends and this is second curved
Between folding.
11. a kind of radiofrequency signal R-T unit, the radiofrequency signal R-T unit include:
One radio-frequency signal processing module；
One substrate；
One antenna structure, the antenna structure are set on the substrate, which includes:
One ground plane, the ground plane include a grounding point；
One first irradiation unit, first irradiation unit have one first bending, one second bending and an open end, wherein this first
Irradiation unit extends from the grounding point and the open end of first irradiation unit is adjacent to the ground plane；
One second irradiation unit, second irradiation unit from first irradiation unit this first bending the grounding point between one first
One second section between second bending and the open end of the section to first irradiation unit extends；
One metal Coupling portion, second bending and the open circuit of the metal Coupling portion adjacent to the ground plane, first irradiation unit
End and second irradiation unit, wherein second irradiation unit is set between first section and the metal Coupling portion, and the gold
Belong to coupling part to be set between second irradiation unit and second section；
One third irradiation unit, the third irradiation unit are set between second irradiation unit and the ground plane, from the metal Coupling portion
Extend to first section；And
One load point, the load point couple the third irradiation unit and the metal Coupling portion junction,
Wherein, which couples the antenna structure, and the radio-frequency signal processing module passes through the load point
It is located at multiple radiofrequency signals of multiple frequency bands using antenna structure transmitting-receiving.
12. radiofrequency signal R-T unit as claimed in claim 11, in which:
Multiple frequency band includes a first band and multiple radiofrequency signal includes one first radio frequency positioned at the first band
Signal；And
The antenna structure couples first irradiation unit using the third irradiation unit and excites one according to a monopole coupled antenna principle
First mode is to receive and dispatch first radiofrequency signal, and wherein the path length of one first excitation path is less than this in first irradiation unit
The quarter-wave of first radiofrequency signal.
13. radiofrequency signal R-T unit as claimed in claim 11, in which:
Second irradiation unit has an open end, the neighbouring metal Coupling portion；
Multiple frequency band includes a second band and multiple radiofrequency signal includes one second radio frequency positioned at the second band
Signal；And
The antenna structure couples second irradiation unit using the third irradiation unit and excites one according to a monopole coupled antenna principle
Second mode is to receive and dispatch second radiofrequency signal, wherein open end of second irradiation unit to one second between the grounding point
The path length of excitation path is less than the quarter-wave of second radiofrequency signal.
14. radiofrequency signal R-T unit as claimed in claim 13, in which:
The open end of second irradiation unit is step type.
15. radiofrequency signal R-T unit as claimed in claim 14, in which:
The substrate include a first surface and first irradiation unit in a second surface and the antenna structure, this
Two irradiation units, the third irradiation unit, the metal Coupling portion and the ground plane are arranged at the first surface of the substrate；And
The antenna structure further include:
One the 4th irradiation unit, the 4th irradiation unit are set on the second surface of the substrate, and wherein the 4th irradiation unit is at this
The orthographic projection of the first surface of substrate is connected with the metal Coupling portion and the third radiator, and with second irradiation unit
It is adjacent.
16. radiofrequency signal R-T unit as claimed in claim 15, in which:
The antenna structure according to the monopole coupled antenna principle, using the third irradiation unit couple second irradiation unit and this
Four irradiation units and excite the second mode to receive and dispatch second radiofrequency signal.
17. radiofrequency signal R-T unit as claimed in claim 11, in which:
The third irradiation unit has an open end, neighbouring first section；
Multiple frequency band includes a third frequency band and multiple radiofrequency signal includes the third radio frequency positioned at the third frequency band
Signal；And
The antenna structure excites a third according to a monopole coupled antenna principle, using the load point feed-in third irradiation unit
Mode is to receive and dispatch the third radiofrequency signal, and wherein the open end of the third irradiation unit excites road to the third between load point
The path length of diameter is less than the quarter-wave of the third radiofrequency signal.
18. radiofrequency signal R-T unit as claimed in claim 11, in which:
There is one first spacing between the metal Coupling portion and first irradiation unit；And
The width of first spacing is between 0.3mm between 1.3mm.
19. radiofrequency signal R-T unit as claimed in claim 11, in which:
There is one second spacing between the third irradiation unit and second irradiation unit: and
There is a third spacing between the third irradiation unit and the ground plane,
Wherein, the width of second spacing and the third spacing is between 0.5mm between 1mm.
20. radiofrequency signal R-T unit as claimed in claim 11, wherein the antenna structure further include:
One extends radiator, and the extension radiator is from a third section of first radiator far from a side court of the ground plane
Extend perpendicular to the direction of the substrate, wherein the third section of first radiator is located at this and first bends and this is second curved
Between folding.
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| CN110571507B (en) * | 2018-06-05 | 2021-01-26 | 宏碁股份有限公司 | Mobile device and antenna structure thereof |
| TWI704718B (en) | 2019-07-12 | 2020-09-11 | 啟碁科技股份有限公司 | Antenna structure |
| CN112290196B (en) * | 2019-07-23 | 2023-05-02 | 启碁科技股份有限公司 | Antenna structure |
| KR102597872B1 (en) * | 2019-08-21 | 2023-11-03 | 삼성전자주식회사 | Electronic device comprising antenna |
| TWI723833B (en) | 2020-04-01 | 2021-04-01 | 啟碁科技股份有限公司 | Antenna structure |
| CN113764865B (en) * | 2020-06-02 | 2024-04-05 | 英业达科技有限公司 | Antenna module |
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