CN206293618U - Antenna structure - Google Patents
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- CN206293618U CN206293618U CN201720003738.2U CN201720003738U CN206293618U CN 206293618 U CN206293618 U CN 206293618U CN 201720003738 U CN201720003738 U CN 201720003738U CN 206293618 U CN206293618 U CN 206293618U
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Abstract
The utility model is related to a kind of antenna structure.The antenna structure includes：One medium substrate, one first Department of Radiation, one second Department of Radiation, one the 3rd Department of Radiation, one the 4th Department of Radiation, one the 5th Department of Radiation, and one the 6th Department of Radiation.Medium substrate has a upper surface and a lower surface.First Department of Radiation, the second Department of Radiation, the 4th Department of Radiation, and the 5th Department of Radiation are arranged at the upper surface of medium substrate.3rd Department of Radiation and the 6th Department of Radiation are arranged at the lower surface of medium substrate.One positive load point is located at one end of the first Department of Radiation.One negative load point is located at one end of the 4th Department of Radiation.First Department of Radiation is coupled to the second Department of Radiation by the 3rd Department of Radiation.4th Department of Radiation is coupled to the 5th Department of Radiation by the 6th Department of Radiation.The utility model size is small, it is easy to manufacture, and covers WLAN Whole frequency bands, with low cost, the radiation pattern of can arrange in pairs or groups reflector and diode generation omni-directional or directive property, is suitably applied in the middle of the mobile communications device of various miniaturizations now.
Description
Technical field
The utility model is related to a kind of antenna structure, more particularly to a kind of broadband antenna structure.
Background technology
With the prosperity of mobile communication technology, mobile device is more prevalent in recent years, it is common for example：Portable calculating
The portable electronic apparatus of machine, mobile phone, multimedia player and other mixed functions.In order to meet the demand of people,
The mobile device generally function with radio communication.Some cover the range for wireless communication of long range, for example：Mobile phone is used
2G, 3G, LTE (Long Term Evolution) system and its used 700MHz, 850MHz, 900MHz, 1800MHz,
The frequency band of 1900MHz, 2100MHz, 2300MHz and 2500MHz is communicated, and some then cover short-range radio communication
Scope, for example：Wi-Fi, Bluetooth system are communicated using the frequency band of 2.4GHz, 5.2GHz and 5.8GHz.
Antenna is indispensable component in wireless communication field.If for reception or the beamwidth of antenna of transmission signal
(Bandwidth) not enough, then the communication quality for easily causing mobile device declines.Therefore, small size, wideband how to be designed
The antenna module of band, is an important topic for antenna designers.
Accordingly, it is desirable to provide a kind of antenna structure solves the above problems.
Utility model content
In the preferred embodiment, the utility model provides a kind of antenna structure, and the antenna structure includes：One medium substrate,
The medium substrate has a upper surface and a lower surface；One first Department of Radiation, first Department of Radiation has a first end and one the
Two ends, and the upper surface of the medium substrate is arranged at, wherein a positive load point is located at the first end of first Department of Radiation；One
Second Department of Radiation, second Department of Radiation has a first end and one second end, and is arranged at the upper surface of the medium substrate, its
In second Department of Radiation second end towards second end of first Department of Radiation；One the 3rd Department of Radiation, the 3rd Department of Radiation
With a first end and one second end, and be arranged at the lower surface of the medium substrate, wherein the 3rd Department of Radiation this first
End is coupled to the first end of first Department of Radiation, and second end of the 3rd Department of Radiation is coupled to being somebody's turn to do for second Department of Radiation
First end；One the 4th Department of Radiation, the 4th Department of Radiation has a first end and one second end, and is arranged at being somebody's turn to do for the medium substrate
Upper surface, wherein a negative load point is located at the first end of the 4th Department of Radiation；One the 5th Department of Radiation, the 5th Department of Radiation has
One first end and one second end, and the upper surface of the medium substrate is arranged at, the second end court of wherein the 5th Department of Radiation
To second end of the 4th Department of Radiation；And one the 6th Department of Radiation, the 6th Department of Radiation has a first end and one second end,
And it is arranged at the lower surface of the medium substrate, what the first end of wherein the 6th Department of Radiation was coupled to the 4th Department of Radiation should
First end, and second end of the 6th Department of Radiation is coupled to the first end of the 5th Department of Radiation.
In certain embodiments, the antenna structure also includes：One first penetrates component, is formed in the medium substrate, and
It is coupled between the first end of first Department of Radiation and the first end of the 3rd Department of Radiation；One second penetrates component, is formed
In the medium substrate, and it is coupled between the first end of second Department of Radiation and second end of the 3rd Department of Radiation；One
3rd penetrates component, is formed in the medium substrate, and is coupled to the first end and the 6th Department of Radiation of the 4th Department of Radiation
The first end between；And one the 4th penetrate component, be formed in the medium substrate, and be coupled to the 5th Department of Radiation should
Between first end and second end of the 6th Department of Radiation.
In certain embodiments, first Department of Radiation, second Department of Radiation, the 4th Department of Radiation, and the 5th radiation
Each substantially vertical bar shaped of each in portion substantially rectangle, wherein the 3rd Department of Radiation and the 6th Department of Radiation,
And wherein the width of the rectangle is more than or equal to the width of the vertical bar shaped.
In certain embodiments, the antenna structure covers a low-frequency band and a high frequency band, the low-frequency band about between
Between 2400MHz to 2484MHz, and the high frequency band is about between 5150MHz to 5850MHz.
In certain embodiments, each of first Department of Radiation and the 4th Department of Radiation is approximately equal to the length to the high frequency
0.25 times of wavelength of frequency band.
In certain embodiments, the total length of the 3rd Department of Radiation and second Department of Radiation, and the 6th Department of Radiation and
The total length of the 5th Department of Radiation is all substantially equal to 0.25 times of wavelength of the low-frequency band.
In certain embodiments, the antenna structure also includes：One signal source, with a positive pole and a negative pole, and for producing
Raw a radiofrequency signal and a DC control signal, positive pole of the wherein signal source are coupled to the positive load point, the signal source
The negative pole is coupled to the negative load point.
In certain embodiments, the antenna structure also includes：One first reflector, is arranged at the side of the antenna structure,
And including a Part I and a Part II；And one first diode, coupled in series in first reflector this first
Between part and the Part II, wherein first diode is selectively turned on or disconnected according to the DC control signal.
In certain embodiments, 0.5 times wavelength of the total length of first reflector more than or equal to the high frequency band.
In certain embodiments, the antenna structure also includes：One first inductor, be coupled to first reflector this
Between a part and one first tie point, wherein first tie point is located at first Department of Radiation, second Department of Radiation, or this
Three Departments of Radiation；And one second inductor, it is coupled between the Part II of first reflector and one second tie point, its
In second tie point be located at the 4th Department of Radiation, the 5th Department of Radiation, or the 6th Department of Radiation.
In certain embodiments, the antenna structure also includes：One second reflector, is arranged at the another of the antenna structure
Side, and including a Part I and a Part II；And one second diode, coupled in series in second reflector this
Between a part and the Part II, wherein second diode is selectively turned on or broken according to the DC control signal
Open.
In certain embodiments, 0.5 times wavelength of the total length of second reflector more than or equal to the high frequency band.
In certain embodiments, the antenna structure also includes：One the 3rd inductor, be coupled to second reflector this
Between a part and one the 3rd tie point, wherein the 3rd tie point is located at first Department of Radiation, second Department of Radiation, or this
Three Departments of Radiation；And one the 4th inductor, it is coupled between the Part II of second reflector and one the 4th tie point, its
In the 4th tie point be located at the 4th Department of Radiation, the 5th Department of Radiation, or the 6th Department of Radiation.
In a further preferred embodiment, the utility model is related to a kind of antenna structure, and the antenna structure includes：One medium base
Plate, the medium substrate has a upper surface and a lower surface；One first Department of Radiation, first Department of Radiation has a first end and one
Second end, and the upper surface of the medium substrate is arranged at, wherein a positive load point is located at the first end of first Department of Radiation；
One second Department of Radiation, second Department of Radiation has a first end and one second end, and is arranged at the upper surface of the medium substrate,
Wherein second end of second Department of Radiation is towards second end of first Department of Radiation；One the 3rd Department of Radiation, the 3rd radiation
Portion has a first end and one second end, and is arranged at the lower surface of the medium substrate, wherein the 3rd Department of Radiation this
One end is coupled to the first end of first Department of Radiation, and second end of the 3rd Department of Radiation is coupled to second Department of Radiation
The first end；And a ground plane, the ground plane is adjacent to the medium substrate, wherein a negative load point is located on the ground plane.
In certain embodiments, the ground plane is used to produce an image current of the antenna structure.
In certain embodiments, the antenna structure also includes：One first reflector, is arranged at the side of the antenna structure,
And including a Part I and a Part II；One first diode, coupled in series is in the Part I of first reflector
And the Part II between；And one first inductor, it is coupled to the Part I and one first bias of first reflector
Between current potential, wherein first diode is selectively turned on or disconnected according to first bias.
In certain embodiments, the Part II of first reflector is coupled to the ground plane.
In certain embodiments, the antenna structure also includes：One second reflector, is arranged at the another of the antenna structure
Side, and including a Part I and a Part II；One second diode, coupled in series is in this first of second reflector
Divide and the Part II between；And one second inductor, it is coupled to Part I of second reflector and one second inclined
Between piezoelectric position, wherein second diode is selectively turned on or disconnected according to second bias.
In certain embodiments, the Part II of second reflector is coupled to the ground plane.
The utility model size is small, it is easy to manufacture, and covers WLAN Whole frequency bands, with low cost, can arrange in pairs or groups reflector and
Diode produces the radiation pattern of omni-directional or directive property, and the mobile communications device for being suitably applied various miniaturizations now is worked as
In.
Brief description of the drawings
Figure 1A is the stereogram for showing the antenna structure according to the embodiment of the utility model one；
Figure 1B is the top view for showing the antenna structure according to the embodiment of the utility model one；
Fig. 1 C are the profiles for showing the antenna structure according to the embodiment of the utility model one；
Fig. 2 is the top view for showing the antenna structure according to the embodiment of the utility model one；
Fig. 3 A are the radiation pattern figures for showing the antenna structure according to the embodiment of the utility model one；
Fig. 3 B are the radiation pattern figures for showing the antenna structure according to the embodiment of the utility model one；
Fig. 4 A are the radiation pattern figures for showing the antenna structure according to the embodiment of the utility model one；
Fig. 4 B are the radiation pattern figures for showing the antenna structure according to the embodiment of the utility model one；
Fig. 4 C are the radiation pattern figures for showing the antenna structure according to the embodiment of the utility model one；
Fig. 5 is the stereogram for showing the antenna structure according to the embodiment of the utility model one；And
Fig. 6 is the front view for showing the antenna structure according to the embodiment of the utility model one.
Primary clustering symbol description：
100th, 200,500,600~antenna structure；
110th, 510~medium substrate；
120~the first Departments of Radiation；
The first end of 121~the first Departments of Radiation；
Second end of 122~the first Departments of Radiation；
130~the second Departments of Radiation；
The first end of 131~the second Departments of Radiation；
Second end of 132~the second Departments of Radiation；
140~the 3rd Department of Radiation；
The first end of the 141~the 3rd Department of Radiation；
Second end of the 142~the 3rd Department of Radiation；
150~the 4th Department of Radiation；
The first end of the 151~the 4th Department of Radiation；
Second end of the 152~the 4th Department of Radiation；
160~the 5th Department of Radiation；
The first end of the 161~the 5th Department of Radiation；
Second end of the 162~the 5th Department of Radiation；
170~the 6th Department of Radiation；
The first end of the 171~the 6th Department of Radiation；
Second end of the 172~the 6th Department of Radiation；
181~the first penetrate component；
182~the second penetrate component；
183~the 3rd penetrates component；
184~the 4th penetrates component；
190~signal source；
210~the first reflectors；
The Part I of 211~the first reflectors；
The Part II of 212~the first reflectors；
220~the first diodes；
231~the first inductors；
232~the second inductors；
233~the 3rd inductor；
234~the 4th inductor；
240~the first reflectors；
The Part I of 241~the second reflectors；
The Part II of 242~the second reflectors；
250~the second diodes；
261~the first sub- inductors；
262~the second sub- inductors；
263~the 3rd sub- inductor；
264~the 4th sub- inductor；
265~the 5th sub- inductor；
266~the 6th sub- inductor；
267~the 7th sub- inductor；
268~the 8th sub- inductor；
550~ground plane；
CP1~the first tie point；
CP2~the second tie point；
CP3~the 3rd tie point；
CP4~the 4th tie point；
The upper surface of E1~medium substrate；
The lower surface of E2~medium substrate；
FP~positive load point；
FN~negative load point；
GC1~the first coupling gap；
GC2~the second coupling gap；
L1, L2, L3~length；
LC~hatching；
VB1~the first bias；
VB2~the second bias；
W1, W2~width；
X~X-axis；
Y~Y-axis；
Z~Z axis.
Specific embodiment
Be that the purpose of this utility model, feature and advantage can be become apparent, it is cited below particularly go out tool of the present utility model
Body embodiment, and coordinate appended accompanying drawing, it is described in detail below.
Some vocabulary have been used in the middle of specification and claims to censure specific component.Those skilled in the art
, it is to be appreciated that hardware manufacturer may call same component with different nouns.This specification and claims book is simultaneously
Not in the way of the difference of title is used as distinguishing component, but the difference with component functionally is used as the criterion distinguished.
In the whole text "comprising" of the specification and claims mentioned in and " including " word is open term, therefore should explain
Into " include but be not limited to "." substantially " word refers to then that those skilled in the art can in acceptable error range
The technical problem is solved in the range of certain error, the basic technique effect is reached.Additionally, " coupling " one word is in this theory
In bright book means directly and are indirectly electrically connected with comprising any.Therefore, if a first device is coupled to one second described in text
Device, then representing the first device can directly be electrically connected to the second device, or via other devices or connection means
Ground connection is electrically connected to the second device.
Figure 1A is the stereogram for showing the antenna structure 100 according to the embodiment of the utility model one.Figure 1B is display
The top view of the antenna structure 100 according to the embodiment of the utility model one.Fig. 1 C are displays real according to the utility model one
Apply the profile (along a hatching LC of Figure 1B) of the antenna structure 100 described in example.Please also refer to Figure 1A, Figure 1B, Fig. 1 C.My god
Cable architecture 100 can be applied to a mobile device, for example：One intelligent mobile phone (Smart Phone), a tablet PC
(Tablet Computer), or a notebook computer (Notebook Computer).Such as Figure 1A, Figure 1B, Fig. 1 C institutes
Show, antenna structure 100 at least includes：The Department of Radiation 120, one of one medium substrate (Dielectric Substrate) 110, one first
Second Department of Radiation 130, one the 3rd Department of Radiation 140, one the 4th Department of Radiation 150, one the 5th Department of Radiation 160, and one the 6th radiation
Portion 170.Medium substrate 110 can be a FR4 (Flame Retardant 4) substrates or a system circuit board (System
Circuit Board).First Department of Radiation 120, the second Department of Radiation 130, the 3rd Department of Radiation 140, the 4th Department of Radiation 150, the 5th spoke
Portion 160 is penetrated, and the 6th Department of Radiation 170 can be made of metal material, for example：Copper, silver, aluminium, iron, or its alloy.
Medium substrate 110 has a upper surface E1 and a lower surface E2, wherein the first Department of Radiation 120, the second Department of Radiation
130th, the 4th Department of Radiation 150, and the 5th Department of Radiation 160 is arranged at the upper surface E1 of medium substrate 110, and the 3rd Department of Radiation
140 and the 6th Department of Radiation 170 be arranged at the lower surface E2 of medium substrate 110.First Department of Radiation 120, the second Department of Radiation 130,
Four Departments of Radiation 150, and each of the 5th Department of Radiation 160 all can a substantially rectangle.3rd Department of Radiation 140 and the 6th radiation
The each in portion 170 all can a substantially vertical bar shaped.First Department of Radiation 120 has a first end 121 and one second end 122, its
In a positive load point FP be located at the first end 121 of the first Department of Radiation 120, and the second end 122 of the first Department of Radiation 120 is an open circuit
End (Open End).Second Department of Radiation 130 has a first end 131 and one second end 132, wherein the of the second Department of Radiation 130
Two ends 132 are the second end 122 of an open end and the first Department of Radiation 120 of direction.Second end 132 of the second Department of Radiation 130 and
One first coupling gap (Coupling Gap) GC1 can be formed between second end 122 of one Department of Radiation 120.3rd Department of Radiation 140
With a first end 141 and one second end 142, wherein the first end 141 of the 3rd Department of Radiation 140 is coupled to the first Department of Radiation 120
First end 121, and the second end 142 of the 3rd Department of Radiation 140 is coupled to the first end 131 of the second Department of Radiation 130.4th radiation
Portion 150 has a first end 151 and one second end 152, wherein a negative load point FN is located at the first end of the 4th Department of Radiation 150
151, and the second end 152 of the 4th Department of Radiation 150 is an open end.5th Department of Radiation 160 has a first end 161 and one second
End 162, wherein the second end 162 of the 5th Department of Radiation 160 is the second end 152 of an open end and the 4th Department of Radiation 150 of direction.The
One second coupling gap GC2 can be formed between second end 162 and the second end 152 of the 4th Department of Radiation 150 of five Departments of Radiation 160.
6th Department of Radiation 170 has a first end 171 and one second end 172, wherein the first end 171 of the 6th Department of Radiation 170 is coupled to
The first end 151 of the 4th Department of Radiation 150, and the second end 172 of the 6th Department of Radiation 170 is coupled to the first of the 5th Department of Radiation 160
End 161.Antenna structure 100 may also include a signal source 190.Signal source 190 has a positive pole and a negative pole, and for producing one
Radio frequency (Radio Frequency, RF) signal, the positive pole of wherein signal source 190 is coupled to positive load point FP, and signal source 190
Negative pole be coupled to negative load point FN, so that excitation antenna structure 100 can be carried out by the radiofrequency signal of signal source 190.
In certain embodiments, antenna structure 100 also penetrates component (Via Element) 181, one second including one first
Penetrate component 182, one the 3rd penetrate component 183, and one the 4th penetrates component 184.First penetrates component 181, second penetrates
Component the 182, the 3rd penetrates component 183, and the 4th penetrates component 184 and be all formed in medium substrate 110, and available metal material
Matter is made, for example：Copper, silver, aluminium, iron, or its alloy.Each component that penetrates can substantially one cylinder or a quadrangular prism
Shape, but it is not limited only to this.First penetrates the Department of Radiation 140 of first end 121 and the 3rd that component 181 is coupled to the first Department of Radiation 120
First end 141 between.Second penetrates the Department of Radiation 140 of first end 131 and the 3rd that component 182 is coupled to the second Department of Radiation 130
The second end 142 between.3rd penetrates the Department of Radiation 170 of first end 151 and the 6th that component 183 is coupled to the 4th Department of Radiation 150
First end 171 between.4th penetrates the Department of Radiation 170 of first end 161 and the 6th that component 184 is coupled to the 5th Department of Radiation 160
The second end 172 between.
According to actual measured results, antenna structure 100 can cover a low-frequency band and a high frequency band, wherein foregoing low
Frequent band is about between 2400MHz to 2484MHz, and foregoing high frequency band is about between 5150MHz to 5850MHz.Cause
This, antenna structure 100 can at least support that the double frequency of WLAN (Wireless Local Area Network) 2.4GHz/5GHz is grasped
Make.
The operating principle of antenna structure 100 can be as what follows.Aforementioned lower frequency frequency band it is main by first penetrate component 181,
3rd Department of Radiation 140, second penetrate component 182, and the second Department of Radiation 130 excites generation；Other aforementioned lower frequency frequency band is also
Component 183, the 6th Department of Radiation the 170, the 4th can be penetrated by the 3rd penetrate component 184, and the 5th Department of Radiation 160 excites product
It is raw.Foregoing high frequency band mainly excites generation by the first Department of Radiation 120 and the 4th Department of Radiation 150.Second Department of Radiation 130 and
Five Departments of Radiation 160 then can produce coupling interaction effect (Mutual with the first Department of Radiation 120 and the 4th Department of Radiation 150 respectively
Coupling), so as to the bandwidth of operation of foregoing high frequency band can be increased.
The size of components of antenna structure 100 can be as what follows.First Department of Radiation 120 and the 4th Department of Radiation 150 it is each
The length L1 of person may be approximately equal to 0.25 times of wavelength (λ/4) of foregoing high frequency band.3rd Department of Radiation 140 and the 6th Department of Radiation
The length L2 of 170 each can be less than 0.25 times of wavelength (λ/4) of aforementioned lower frequency frequency band.Worn through first by positive load point FP
Saturating component 181, the 3rd Department of Radiation 140, second penetrate the total length that component 182 extends to the second end 132 of the second Department of Radiation 130
(because the length for penetrating component 181 and 182 is very small, therefore foregoing total length is approximately equal to the 3rd Department of Radiation 140 and the second Department of Radiation
130 length summation) may be approximately equal to 0.25 times of wavelength (λ/4) of aforementioned lower frequency frequency band.Worn through the 3rd by negative load point FN
Saturating component 183, the 6th Department of Radiation the 170, the 4th penetrate the total length that component 184 extends to the second end 162 of the 5th Department of Radiation 160
(because the length for penetrating component 183 and 184 is very small, therefore foregoing total length is approximately equal to the 6th Department of Radiation 170 and the 5th Department of Radiation
160 length summation) may be approximately equal to 0.25 times of wavelength (λ/4) of aforementioned lower frequency frequency band.First Department of Radiation 120, the second spoke
The each of portion 130, the 4th Department of Radiation 150, and the 5th Department of Radiation 160 is penetrated all with a width W1, and the 3rd Department of Radiation 140
With each of the 6th Department of Radiation 170 all there is a width W2, wherein foregoing width W1 to be more than or equal to foregoing width W2.Citing
For, foregoing width W1 can be at least 2 times or 3 times of foregoing width W2 greatly.First coupling gap GC1 and the second coupling gap
The width of each of GC2 is all smaller than 5mm.Components above size show that it helps to optimize day according to many experiments result
The impedance matching (Impedance Matching) of cable architecture 100 and operational frequency bands.
Fig. 2 is the top view for showing the antenna structure 200 according to the embodiment of the utility model one.Fig. 2 and Figure 1A, figure
1B, Fig. 1 C are similar, and both difference is that the antenna structure 200 of Fig. 2 also includes：One first reflector (Reflector) 210,
One first diode (Diode) 220, one first inductor 231, one second inductor 232, one second reflector 240, one second
Diode 250, one the 3rd inductor 233, and one the 4th inductor 234.First reflector 210 and the second reflector 240 are all
It is vertical bar shaped conductor, and can be used to optionally reflect the electromagnetic wave of foregoing high frequency band.First reflector 210 and the second reflection
The total length L 3 of each of device 240 is all more than or equal to 0.5 times of wavelength (λ/2) of foregoing high frequency band.Foregoing first reflection
The reflector 240 of device 210 and second respectively positioned at two sides of antenna structure 200, and can be roughly parallel to the direction of the first Department of Radiation 120
The bearing of trend of the second Department of Radiation 130, while being also substantially parallel to extension of the 4th Department of Radiation 150 towards the 5th Department of Radiation 160
Direction.In addition to radiofrequency signal, signal source 190 can also produce a direct current (Direct Current, DC) control signal, to control
Make the switching state of the first diode 220 and the second diode 250.First inductor 231, the second inductor 232, the 3rd inductance
Device 233, and the 4th inductor 234 is used to block radiofrequency signal, and only passes through DC control signal.For example, the first inductance
Device 231, the second inductor 232, the 3rd inductor 233, and each of the 4th inductor 234 inductance value it is all reducible between
Between 1nH to 10nH.
The aforementioned components of antenna structure 200 can be configured in the following manner.First reflector 210 includes a Part I
211 and a Part II 212.The coupled in series of first diode 220 is in the Part I 211 of the first reflector 210 and second
Divide between 212, wherein the first diode 220 is selectively turned on or disconnected according to the DC control signal of signal source 190.The
One inductor 231 is coupled between the tie point CP1 of Part I 211 and 1 first of the first reflector 210, wherein the first connection
Point CP1 can be located on the first Department of Radiation 120, may also be on the second Department of Radiation 130 or on the 3rd Department of Radiation 140.In some realities
Apply in example, the first inductor 231 may include one first sub- inductor 261 and one second sub- inductor independent and be mutually in series
262, wherein the first sub- inductor 261 is adjacent to the Part I 211 of the first reflector 210, and the second sub- inductor 262 is neighbouring
In the first tie point CP1.Second inductor 232 is coupled to the tie point of Part II 212 and 1 second of the first reflector 210
Between CP2, wherein the second tie point CP2 can be located on the 4th Department of Radiation 150, may also be on the 5th Department of Radiation 160 or the 6th
On Department of Radiation 170.In certain embodiments, the second inductor 232 may include one the 3rd sub- inductor that is independent and being mutually in series
263 and one the 4th sub- inductor 264, wherein the 3rd sub- inductor 263 is adjacent to the Part II 212 of the first reflector 210, and
4th sub- inductor 264 is adjacent to the second tie point CP2.Second reflector 240 includes a Part I 241 and a Part II
242.The coupled in series of second diode 250 between the Part I 241 and Part II 242 of the second reflector 240, wherein
Two diodes 250 are selectively turned on or disconnected according to the DC control signal of signal source 190.3rd inductor 233 is coupled
Between the tie point CP3 of Part I 241 and the 3rd of the second reflector 240, wherein the 3rd tie point CP3 can be located at first
On Department of Radiation 120, may also be on the second Department of Radiation 130 or on the 3rd Department of Radiation 140.In certain embodiments, the 3rd inductance
Device 233 may include one the 5th sub- inductor 265 and one the 6th sub- inductor 266 independent and be mutually in series, wherein the 5th son electricity
Sensor 265 is adjacent to the Part I 241 of the second reflector 240, and the 6th sub- inductor 266 is adjacent to the 3rd tie point CP3.
4th inductor 234 is coupled between the tie point CP4 of Part II 242 and the 4th of the second reflector 240, wherein the 4th connects
Contact CP4 can be located on the 4th Department of Radiation 150, may also be on the 5th Department of Radiation 160 or on the 6th Department of Radiation 170.At some
In embodiment, the 4th inductor 234 may include one the 7th sub- inductor 267 and one the 8th sub- inductor independent and be mutually in series
268, wherein the 7th sub- inductor 267 is adjacent to the Part II 242 of the second reflector 240, and the 8th sub- inductor 268 is neighbouring
In the 4th tie point CP4.According to actual measured results, foregoing each inductor includes that the design of two sub- inductors of independence can be more
Reinforcementization blocks the effect of radiofrequency signal.
For example, the DC control signal of signal source 190 can have+3V, 0V, three kinds of current potential levels of -3V.When direct current control
When the current potential level of signal processed is+3V, the first diode 220 will be switched off, with the reflector 210 of forbidden energy (Disable) first；And the
Two diodes 250 will be turned on, with the reflector 240 of enable (Enable) second.When the current potential level of DC control signal is 0V,
First diode 220 and the second diode 250 all will be switched off, with forbidden energy the first reflector 210 and the second reflector 240 simultaneously.
When the current potential level of DC control signal is -3V, the first diode 220 will be turned on, with the first reflector of enable 210；And the
Two diodes 250 will be switched off, with the second reflector of forbidden energy 240.That is, the first diode 220 and the second diode 250 can be simultaneously
Disconnect, or only the first diode 220 and the conducting of the one of which of the second diode 250.
Fig. 3 A are the radiation pattern figures for showing the antenna structure 200 according to the embodiment of the utility model one, its be
Measured antenna gain (dBi) in YZ planes.In the embodiment in fig. 3 a, antenna structure 200 operates in aforementioned lower frequency frequency band,
And the first diode 220 and the second diode 250 all disconnect.Fig. 3 B are to show the day according to the embodiment of the utility model one
The radiation pattern figure of cable architecture 200, it is measured antenna gain (dBi) in YZ planes.In the embodiment of Fig. 3 B, day
Cable architecture 200 operates in aforementioned lower frequency frequency band, and the one of which of the first diode 220 and the second diode 250 is turned on, but separately
One disconnects.It can be seen from Fig. 3 A, the measurement result of Fig. 3 B, antenna structure 200 can have omni-directional in aforementioned lower frequency frequency band
(Omni-directional) radiation pattern, without the enable by the first reflector 210 and the second reflector 240, forbidden energy shape
State is influenceed.
Fig. 4 A are the radiation pattern figures for showing the antenna structure 200 according to the embodiment of the utility model one, its be
Measured antenna gain (dBi) in YZ planes.In the embodiment of Fig. 4 A, antenna structure 200 operates in foregoing high frequency band,
And the first diode 220 and the second diode 250 all disconnect.Because no reflector is enabled, antenna structure 200 can have
The radiation pattern of omni-directional.Fig. 4 B are the radiation patterns for showing the antenna structure 200 according to the embodiment of the utility model one
Figure, it is measured antenna gain (dBi) in YZ planes.In the embodiment of Fig. 4 B, antenna structure 200 operates in foregoing
High frequency band, and the first diode 220 is disconnected but the second diode 250 is turned on.Because only the second reflector 240 is enabled,
The main beam (Main Beam) of antenna structure 200 is by by the direction of sensing-Y-axis in reflection union.Fig. 4 C are displays according to this reality
With the radiation pattern figure of the antenna structure 200 described in a new embodiment, it is measured antenna gain in YZ planes
(dBi).In the embodiment of Fig. 4 C, antenna structure 200 operates in foregoing high frequency band, and the first diode 220 is turned on but
Two diodes 250 disconnect.Because only the first reflector 210 is enabled, the main beam of antenna structure 200 will be reflected and be concentrated
The direction of sensing+Y-axis.It can be seen from Fig. 4 A, Fig. 4 B, the measurement result of Fig. 4 C, antenna structure 200 can in foregoing high frequency band
Radiation pattern with omni-directional or directive property, it is enable, the forbidden energy according to the first reflector 210 and the second reflector 240
State is determined.
Fig. 5 is the stereogram for showing the antenna structure 500 according to the embodiment of the utility model one.Fig. 5 and Figure 1A, figure
1B, Fig. 1 C are similar, and both difference is that the antenna structure 500 of Fig. 5 can only include a medium substrate 510, the first Department of Radiation
120th, the second Department of Radiation 130, the 3rd Department of Radiation 140, and a ground plane 550 (that is, removable 4th spoke of embodiment of Fig. 5
Portion 150, the 5th Department of Radiation 160, and the 6th Department of Radiation 170 are penetrated, and is substituted with ground plane 550).In the embodiment of Fig. 5
In, ground plane 550 is adjacent to medium substrate 510 and substantially orthogonal with medium substrate 510, and a negative load point FN is located at and connects
On ground 550.Ground plane 550 is used to produce an image current (Mirror Current) of antenna structure 500, and plays and day
The similar effect in part that cable architecture 500 is omitted.Under designing herein, the cumulative volume of antenna structure 500 can be reduced into originally
Half.Antenna structure 100 of remaining feature of the antenna structure 500 of Fig. 5 all to Figure 1A, Figure 1B, Fig. 1 C is similar, so two is real
Apply example and may achieve similar operating effect.
Fig. 6 is the front view for showing the antenna structure 600 according to the embodiment of the utility model one.Fig. 6 and Fig. 2 phases
Seemingly, both difference is that the antenna structure 600 of Fig. 6 only can also include：First reflector 210, the first diode 220, first
Inductor 231, the second reflector 240, the second diode 250, and the second inductor 232 (that is, the embodiment of Fig. 6 is removable
Except the 3rd inductor 233 and the 4th inductor 234).The coupled in series of first diode 220 is in first of the first reflector 210
Divide between 211 and Part II 212.First inductor 231 is coupled to the Part I 211 and 1 first of the first reflector 210
Between bias VB1, wherein the first diode 220 is selectively turned on or disconnected according to the first bias VB1.Example
Such as, when the first bias VB1 is a high potential (for example：+ 3V), the first diode 220 will be turned on, with enable (Enable)
First reflector 220；And when the first bias VB1 is a low potential (for example：0V), and the first diode 220 will be switched off,
With the reflector 220 of forbidden energy (Disable) first.The coupled in series of second diode 250 is in the Part I of the second reflector 240
Between 241 and Part II 242.The Part I 241 and 1 second that second inductor 232 is coupled to the second reflector 240 is inclined
Between piezoelectric position VB2, wherein the second diode 250 is selectively turned on or disconnected according to the second bias VB2.For example,
When the second bias VB2 is a high potential (for example：+ 3V), the second diode 250 will be turned on, with the reflector of enable second
240；And when the second bias VB2 is a low potential (for example：0V), and the second diode 250 will be switched off, with forbidden energy second
Reflector 240.The Part II 242 of the reflector 240 of Part II 212 and second of the first reflector 210 is all coupled to ground connection
Face 550.Ground plane 550 is used to produce an image current of antenna structure 600, and plays the portion omitted with antenna structure 600
Effect as split-phase.Under designing herein, the cumulative volume of antenna structure 600 will can be reduced into original half.The antenna structure of Fig. 6
Antenna structure 200 of 600 remaining feature all to Fig. 2 is similar, so two embodiments may achieve similar operating effect.
The utility model provides a kind of novel antenna structure, and compared to traditional antenna design, the utility model at least has
There is following advantage：(1) overall dimensions of miniaturization；(2) it is easy to a large amount of manufacturings；(3) it is enough to cover WLAN Whole frequency bands；(4)
It is cheap for manufacturing cost；And (5) can arrange in pairs or groups reflector and diode produces the radiation pattern of omni-directional or directive property.Therefore, originally
The antenna structure of utility model is well suited for being applied in the middle of the mobile communications device of various miniaturizations now.
It is worth noting that, above-described size of components, component parameter, element shapes, and frequency range is all non-is
Restrictive condition of the present utility model.Antenna designers can need to adjust these setting values according to different.In addition, the utility model
The antenna structure state that is not limited in illustrated in Figure 1A-Fig. 6.The utility model can only include any the one of Figure 1A-Fig. 6
Any one or more feature of individual or multiple embodiments.And the feature of not all diagram must simultaneously be implemented on this in other words,
In the antenna structure of utility model.
Ordinal number in this description and in the claims, such as " first ", " second ", " the 3rd " etc., each other it
Between not precedence relationship sequentially, it is only used for sign and distinguishes two different components with same name.
Though the utility model is disclosed as above with preferred embodiment, but it is not limited to scope of the present utility model,
Any those skilled in the art, in the case where spirit and scope of the present utility model are not departed from, should do a little change
Should be defined depending on the appending claims person of defining with retouching, therefore protection domain of the present utility model.
Claims (19)
1. a kind of antenna structure, it is characterised in that the antenna structure includes：
One medium substrate, the medium substrate has a upper surface and a lower surface；
One first Department of Radiation, first Department of Radiation have a first end and one second end, and be arranged at the medium substrate this on
Surface, wherein a positive load point is located at the first end of first Department of Radiation；
One second Department of Radiation, second Department of Radiation have a first end and one second end, and be arranged at the medium substrate this on
Second end on surface, wherein second Department of Radiation is towards second end of first Department of Radiation；
One the 3rd Department of Radiation, the 3rd Department of Radiation have a first end and one second end, and be arranged at the medium substrate this under
Surface, the first end of wherein the 3rd Department of Radiation is coupled to the first end of first Department of Radiation, and the 3rd Department of Radiation
Second end is coupled to the first end of second Department of Radiation；
One the 4th Department of Radiation, the 4th Department of Radiation have a first end and one second end, and be arranged at the medium substrate this on
Surface, wherein a negative load point is located at the first end of the 4th Department of Radiation；
One the 5th Department of Radiation, the 5th Department of Radiation have a first end and one second end, and be arranged at the medium substrate this on
Second end on surface, wherein the 5th Department of Radiation is towards second end of the 4th Department of Radiation；And
One the 6th Department of Radiation, the 6th Department of Radiation have a first end and one second end, and be arranged at the medium substrate this under
Surface, the first end of wherein the 6th Department of Radiation is coupled to the first end of the 4th Department of Radiation, and the 6th Department of Radiation
Second end is coupled to the first end of the 5th Department of Radiation.
2. antenna structure as claimed in claim 1, it is characterised in that the antenna structure also includes：
One first penetrates component, and this first penetrates component and be formed in the medium substrate, and be coupled to first Department of Radiation should
Between the first end of first end and the 3rd Department of Radiation；
One second penetrates component, and this second penetrates component and be formed in the medium substrate, and be coupled to second Department of Radiation should
Between first end and second end of the 3rd Department of Radiation；
One the 3rd penetrates component, and the 3rd penetrates component is formed in the medium substrate, and is coupled to being somebody's turn to do for the 4th Department of Radiation
Between the first end of first end and the 6th Department of Radiation；And
One the 4th penetrates component, and the 4th penetrates component is formed in the medium substrate, and is coupled to being somebody's turn to do for the 5th Department of Radiation
Between first end and second end of the 6th Department of Radiation.
3. antenna structure as claimed in claim 1, it is characterised in that first Department of Radiation, second Department of Radiation, the 4th spoke
Penetrate portion, and the 5th Department of Radiation each substantially rectangle, wherein the 3rd Department of Radiation and the 6th Department of Radiation it is every
An one substantially vertical bar shaped, and wherein width of the width of the rectangle more than or equal to the vertical bar shaped.
4. antenna structure as claimed in claim 1, it is characterised in that the antenna structure covers a low-frequency band and high again and again
Band, the low-frequency band about between 2400MHz to 2484MHz, and the high frequency band about between 5150MHz to 5850MHz it
Between.
5. antenna structure as claimed in claim 4, it is characterised in that each of first Department of Radiation and the 4th Department of Radiation
0.25 times of wavelength for being approximately equal to the length to the high frequency band.
6. antenna structure as claimed in claim 4, it is characterised in that the overall length of the 3rd Department of Radiation and second Department of Radiation
Degree, and the 6th Department of Radiation is all substantially equal to 0.25 times of wavelength of the low-frequency band with the total length of the 5th Department of Radiation.
7. antenna structure as claimed in claim 4, it is characterised in that the antenna structure also includes：
One signal source, the signal source has a positive pole and a negative pole, and for producing a radiofrequency signal and a DC control signal,
The positive pole of the wherein signal source is coupled to the positive load point, and the negative pole of the signal source is coupled to the negative load point.
8. antenna structure as claimed in claim 7, it is characterised in that the antenna structure also includes：
One first reflector, first reflector is arranged at the side of the antenna structure, and including a Part I and one second
Part；And
One first diode, first Diode series be coupled to first reflector the Part I and the Part II it
Between, wherein first diode is selectively turned on or disconnected according to the DC control signal.
9. antenna structure as claimed in claim 8, it is characterised in that the total length of first reflector is more than or equal to the height
0.5 times of wavelength of frequent band.
10. antenna structure as claimed in claim 8, it is characterised in that the antenna structure also includes：
One first inductor, first inductor be coupled to first reflector the Part I and one first tie point it
Between, wherein first tie point is located at first Department of Radiation, second Department of Radiation, or the 3rd Department of Radiation；And
One second inductor, second inductor be coupled to first reflector the Part II and one second tie point it
Between, wherein second tie point is located at the 4th Department of Radiation, the 5th Department of Radiation, or the 6th Department of Radiation.
11. antenna structures as claimed in claim 7, it is characterised in that the antenna structure also includes：
One second reflector, second reflector is arranged at the opposite side of the antenna structure, and including a Part I and one
Two parts；And
One second diode, second Diode series be coupled to second reflector the Part I and the Part II it
Between, wherein second diode is selectively turned on or disconnected according to the DC control signal.
12. antenna structures as claimed in claim 11, it is characterised in that the total length of second reflector is more than or equal to should
0.5 times of wavelength of high frequency band.
13. antenna structures as claimed in claim 11, it is characterised in that the antenna structure also includes：
One the 3rd inductor, the 3rd inductor be coupled to second reflector the Part I and one the 3rd tie point it
Between, wherein the 3rd tie point is located at first Department of Radiation, second Department of Radiation, or the 3rd Department of Radiation；And
One the 4th inductor, the 4th inductor be coupled to second reflector the Part II and one the 4th tie point it
Between, wherein the 4th tie point is located at the 4th Department of Radiation, the 5th Department of Radiation, or the 6th Department of Radiation.
14. a kind of antenna structures, it is characterised in that the antenna structure includes：
One medium substrate, the medium substrate has a upper surface and a lower surface；
One first Department of Radiation, first Department of Radiation have a first end and one second end, and be arranged at the medium substrate this on
Surface, wherein a positive load point is located at the first end of first Department of Radiation；
One second Department of Radiation, second Department of Radiation have a first end and one second end, and be arranged at the medium substrate this on
Second end on surface, wherein second Department of Radiation is towards second end of first Department of Radiation；
One the 3rd Department of Radiation, the 3rd Department of Radiation have a first end and one second end, and be arranged at the medium substrate this under
Surface, the first end of wherein the 3rd Department of Radiation is coupled to the first end of first Department of Radiation, and the 3rd Department of Radiation
Second end is coupled to the first end of second Department of Radiation；And
One ground plane, the ground plane is adjacent to the medium substrate, wherein a negative load point is located on the ground plane.
15. antenna structures as claimed in claim 14, it is characterised in that the ground plane is used to produce a mirror of the antenna structure
Image current.
16. antenna structures as claimed in claim 14, it is characterised in that the antenna structure also includes：
One first reflector, first reflector is arranged at the side of the antenna structure, and including a Part I and one second
Part；
One first diode, first Diode series be coupled to first reflector the Part I and the Part II it
Between；And
One first inductor, first inductor be coupled to first reflector the Part I and one first bias it
Between, wherein first diode is selectively turned on or disconnected according to first bias.
17. antenna structures as claimed in claim 16, it is characterised in that the Part II of first reflector is coupled to this
Ground plane.
18. antenna structures as claimed in claim 14, it is characterised in that the antenna structure also includes：
One second reflector, second reflector is arranged at the opposite side of the antenna structure, and including a Part I and one
Two parts；
One second diode, second Diode series be coupled to second reflector the Part I and the Part II it
Between；And
One second inductor, second inductor be coupled to second reflector the Part I and one second bias it
Between, wherein second diode is selectively turned on or disconnected according to second bias.
19. antenna structures as claimed in claim 18, it is characterised in that the Part II of second reflector is coupled to this
Ground plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003738.2U CN206293618U (en) | 2017-01-03 | 2017-01-03 | Antenna structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003738.2U CN206293618U (en) | 2017-01-03 | 2017-01-03 | Antenna structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206293618U true CN206293618U (en) | 2017-06-30 |
Family
ID=59098742
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720003738.2U Active CN206293618U (en) | 2017-01-03 | 2017-01-03 | Antenna structure |
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| CN (1) | CN206293618U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783694A (en) * | 2018-07-31 | 2020-02-11 | 铨鼎塑胶股份有限公司 | High directivity antenna |
| CN111180874A (en) * | 2018-11-09 | 2020-05-19 | 华为技术有限公司 | Antenna system and control signal transmission method |
| CN111463560A (en) * | 2019-01-22 | 2020-07-28 | 纬创资通股份有限公司 | Antenna system |
-
2017
- 2017-01-03 CN CN201720003738.2U patent/CN206293618U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110783694A (en) * | 2018-07-31 | 2020-02-11 | 铨鼎塑胶股份有限公司 | High directivity antenna |
| CN111180874A (en) * | 2018-11-09 | 2020-05-19 | 华为技术有限公司 | Antenna system and control signal transmission method |
| CN111463560A (en) * | 2019-01-22 | 2020-07-28 | 纬创资通股份有限公司 | Antenna system |
| CN111463560B (en) * | 2019-01-22 | 2023-02-24 | 纬创资通股份有限公司 | Antenna system |
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