CN206076483U - A kind of antenna assembly and mobile terminal - Google Patents
A kind of antenna assembly and mobile terminal Download PDFInfo
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- CN206076483U CN206076483U CN201620809317.4U CN201620809317U CN206076483U CN 206076483 U CN206076483 U CN 206076483U CN 201620809317 U CN201620809317 U CN 201620809317U CN 206076483 U CN206076483 U CN 206076483U
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Abstract
The utility model embodiment provides a kind of antenna assembly and mobile terminal, and wherein antenna assembly includes short-circuit resonant device, feeder line, coupling line, microstrip antenna and balun micro-strip.Wherein short-circuit resonant device is located between two coupling lines, two coupling line is parallel to each other, and every coupling line connects a feeder line respectively, there is between two feeder lines gap, wherein, one feeder line has feed point, and another feeder line is connected with one end of balun micro-strip, the other end connection microstrip antenna of balun micro-strip.By the coupling of short-circuit resonant device and feeder line, and reinforcing of the coupling line to coupling so that the antenna assembly possesses preferable filter function, effectively reduces the interference of successive bands signal.
Description
Technical field
The utility model is related to wireless communication technique field, more particularly to a kind of antenna assembly and mobile terminal.
Background technology
With the fast development of Modern wireless communication technology, the mobile terminal of wireless communication technology is relied on, is gradually being realized
While miniaturization, function is also gradually being enriched.Important component part of the antenna as mobile terminal, not only directly affects movement
The transmitting-receiving performance of terminal device, also contributes to overall dimensions of mobile terminal and attractive in appearance.
In prior art, traditional bracket antenna cannot meet Modern wireless communication technology and mobile terminal structure is wanted
Ask.Although the characteristics of microstrip antenna has lightweight, small volume, disclosure satisfy that the requirement to mobile terminal structure, however, due to
At present in the application of mobile terminal, antenna needs compatible multiple communication standards simultaneously, therefore antenna has successive bands letter at present
Number interference problem.
Utility model content
The utility model embodiment provides a kind of antenna assembly and mobile terminal, simultaneously compatible multiple logical in antenna to solve
In the case of beacon standard, the problem of successive bands signal interference how is effectively reduced.
In a first aspect, the utility model discloses a kind of antenna assembly, including：It is short-circuit resonant device, feeder line, coupling line, micro-
Band antenna and balun micro-strip；
The short-circuit resonant device is located between two coupling lines；
Two coupling lines are parallel to each other, and every coupling line connects a feeder line respectively；
There is between two feeder lines gap, wherein, a feeder line has one end of feed point, another feeder line and balun micro-strip
Connection, the other end of the balun micro-strip connect the microstrip antenna；
The microstrip antenna, for receiving signal；
The balun micro-strip, for matching the impedance between the short-circuit resonant device and microstrip antenna, and by the letter
Number it is transferred to the feeder line；
The feeder line, for being filtered to the signal for receiving by coupling the stopband to be formed with the short-circuit resonant device,
Exported by feed point；
Two coupling lines parallel to each other, for strengthening the coupling of the feeder line and the short-circuit resonant device；
The microstrip antenna receives signal, by the balun micro-strip to the short-circuit resonant device and the microstrip antenna it
Between impedance matching, transmit the signal to the feeder line, the coupling by the feeder line and the short-circuit resonant device is right
The signal is filtered process, and the signal of filtering is exported by feed point.
Optionally, antenna assembly as above, including：More than one short-circuit resonant device, wherein, each short-circuit resonant device
Two coupling lines of correspondence；Then each described short-circuit resonant device is respectively positioned between two coupling lines.
Optionally, antenna assembly as above, including：Two short-circuit resonant devices with parallel-connection structure, it is described two
Short-circuit resonant device is located at feeder line both sides respectively；Two coupling lines outside one short-circuit resonant device connect the side of feeder line respectively, separately
Two coupling lines outside one short-circuit resonant device connect the opposite side of feeder line respectively.
Optionally, antenna assembly as above, the short-circuit resonant device are made up of microstrip line, the short-circuit resonant
Device to be adopted and have gap at open loop structure, and the open loop of the open loop structure；Wherein, by adjusting the short-circuit resonant device open loop
The length of place's gap both sides microstrip line, to adjust the bandwidth of stopband；By the width for adjusting gap at the short-circuit resonant device open loop
Degree, to adjust the center frequency point of stopband.
Optionally, antenna assembly as above, the coupling line and the feeder line are made up of microstrip line；By adjusting
The width in gap between the width in gap between two coupling lines, and/or regulation two feeder lines is saved, to adjust coupling
Intensity.
Optionally, antenna assembly as above, the short-circuit resonant utensil have circle and/or polygonized structure.
Optionally, antenna assembly as above, the balun micro-strip include at least two minor matters.
Optionally, antenna assembly as above, by the length for adjusting each minor matters of the balun micro-strip, matching is described
The impedance at balun micro-strip two ends.
Optionally, antenna assembly as above, the antenna assembly are configured on printed circuit board (PCB), the printed circuit
The dielectric material of plate includes：Two-layered medium, and/or gradation type medium, and/or blending agent.
Second aspect, the utility model embodiment additionally provide a kind of mobile terminal, including the antenna described in first aspect
Device.
From above-mentioned technical proposal as can be seen that the utility model embodiment is by the signal that receives microstrip antenna, Jing
Feeder line is sent to by balun micro-strip, and the coupling by short-circuit resonant device and feeder line, and reinforcing of the coupling line to coupling,
So that the antenna assembly with this structure possesses preferable filter function, the interference of successive bands signal is effectively reduced,
WCDMA (Wideband Code Division Multiple Access, WCDMA), LTE can be effectively reduced such as
(Long Term Evolution, Long Term Evolution) and WLAN (Wireless Local Area Networks, wireless local
Network) in signal interference between each successive bands so that between WCDMA band4 and WCDMA band1, WCDMA
Between band1 and LTE band34, the interference between LTE band7 and WLAN reaches minimum.Simultaneously as adopting short-circuit resonant
The mode that device is coupled with feeder line realizes filter function, compares the antenna for adding wave filter in device external, and equipment volume is obtained greatly
Width reduces, and so as to meet the demand of miniature antenna, and then meets the demand of the ultra-thin outward appearance of mobile terminal.
Description of the drawings
A kind of structured flowchart of antenna assembly that Fig. 1 is provided for the utility model embodiment；
A kind of return loss plot figure of antenna assembly that Fig. 2 is provided for the utility model embodiment；
The structured flowchart of another kind of antenna assembly that Fig. 3 is provided for the utility model embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only the utility model a part of embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
The utility model embodiment provides a kind of antenna assembly, can by the signal that receives microstrip antenna, via
Balun micro-strip is sent to feeder line, and the coupling by short-circuit resonant device and feeder line, and reinforcing of the coupling line to coupling, makes
The microstrip antenna that must have this structure possesses preferable filter function, effectively reduces the interference of successive bands signal, from
And the characteristics of possess wideband, flat passband gain and high out-of-side rejection and spend.Simultaneously as using short-circuit resonant device and feeder line coupling
The mode of conjunction realizes filter function, compares the antenna for adding wave filter in device external, and equipment volume is significantly reduced, so as to
The demand of miniature antenna is met, and then meets the demand of the ultra-thin outward appearance of wireless terminal.
Embodiment one
The antenna assembly that the utility model is provided is applied to mobile terminal, and the mobile terminal includes but is not limited to intelligent hand
The smart machines such as machine, intelligent watch, panel computer.
The antenna assembly includes：Short-circuit resonant device, feeder line, coupling line, microstrip antenna and balun micro-strip.Wherein, short circuit is humorous
The device that shakes is that, between two coupling lines, and the short-circuit resonant device is open loop structure, and at its opening, gap is near feeder line side.
Two coupling lines for surrounding short-circuit resonant device are parallel to each other, and every coupling line connects a feeder line respectively.Between two feeder lines
Also there is gap, the width in gap can either be the same as or different from gap at short-circuit resonant device opening between this two feeder lines,
This is not limited in the present embodiment.In two feeder lines, a feeder line has feed point, another feeder line and the one of balun micro-strip
End connection, the other end connection microstrip antenna of the balun micro-strip.
The utility model embodiment is understood in order to easily facilitate, component used in the antenna assembly will be carried out below
Brief introduction：
Microstrip antenna is used to receive from outside wireless signal, the method system that photoetching corrosion can be used on medium substrate
Into the effigurate antenna of tool.
Balun micro-strip can be used as different impedor impedance transducers be connected, and balun micro-strip is traditional thread binding for matching this day
Put the impedance between short-circuit resonant device and microstrip antenna, and the signal transmission that microstrip antenna is received is to connected
Feeder line.
Feeder line can be the holding wire for playing connection function, and feeder line is for by coupling the stopband to be formed with short-circuit resonant device
Signal to receiving is filtered, and signal after filtering is exported to the antenna assembly place mobile terminal by feed point
The quantity of corresponding component, wherein stopband is corresponding with the quantity of short-circuit resonant device in the antenna assembly.
Strengthen the coupling of feeder line and short-circuit resonant device by two coupling lines parallel to each other, strengthen coupling effect concrete
It is presented as enhancing signal strength signal intensity.
By the combination between these components, the function that antenna assembly realizes signal transmission is enabled to, specifically,
In the antenna assembly be made up of said modules, according to the difference of signal transmission direction, there can be two kinds of possible signal transmissions
Mode, respectively uplink signal transmissions and downstream signal are transmitted, and both signal transmission forms will be introduced respectively below.
As a kind of possible signal transmission form of the antenna assembly, when downstream signal transmission is carried out, first by micro-strip
Antenna receives external wireless signals, and then the matching by balun micro-strip to the impedance between short-circuit resonant device and microstrip antenna,
The signal that microstrip antenna is received is transferred to the feeder line being connected with balun micro-strip by balun micro-strip, then by feeder line and short circuit
The signal that the butt coupling of resonator is received is filtered process, and signal after filtering is passed through side of the feed point to feed finally
Formula is exported to the corresponding component of the antenna assembly place mobile terminal, completes the reception process of downstream signal.
As the alternatively possible signal transmission form of the antenna assembly, when uplink signal transmissions are carried out, first by presenting
Point receives the signal of mobile terminal respective element in the way of feeding, and is received by the butt coupling of feeder line and short-circuit resonant device
It is after signal is filtered process then to balun micro-strip and then micro- by balun by signal transmission after filtering by feeder line
The impedance matching effect of band, is made signal transmission to microstrip antenna, and is launched in the way of wireless signal by microstrip antenna, complete
Into the transmission process of upward signal.
Therefore, the mobile terminal described in the utility model embodiment, can be by the signal that receives microstrip antenna, Jing
Feeder line is sent to by balun micro-strip, and the coupling by short-circuit resonant device and feeder line, and reinforcing of the coupling line to coupling,
So that the antenna assembly with this structure possesses preferable filter function, the interference of successive bands signal is effectively reduced.
It should be noted that quantity in this embodiment not to short-circuit resonant device and the coupling of short-circuit resonant device both sides
The quantity of line is defined.Used as a kind of possible implementation, the quantity of short-circuit resonant device is one, in this fashion,
The coupling line of the short-circuit resonant device and the short-circuit resonant device both sides is located at the side of feeder line.As alternatively possible realization side
Formula, the quantity of short-circuit resonant device is two, and in this fashion, the antenna assembly has the short-circuit resonant of two parallel-connection structures
Device, the two short-circuit resonant devices are located at feeder line both sides respectively, and the coupling line of one of short-circuit resonant device both sides connects feedback respectively
The side of line, the coupling line of another short-circuit resonant device both sides connect the opposite side of feeder line respectively.Additionally, as more possible
Implementation, the quantity of short-circuit resonant device can be more than two, and wherein each short-circuit resonant device corresponds to two coupling lines, and
Between corresponding two coupling lines.
Embodiment two
On the basis of above-described embodiment, the antenna assembly that the quantity of short-circuit resonant device is is carried out in the present embodiment
Describe in detail, a kind of structured flowchart of antenna assembly that Fig. 1 is provided for the utility model embodiment.
With reference to shown in Fig. 1, when mobile terminal only needs antenna assembly to be filtered single-pass band, only had using this
The antenna assembly of one short-circuit resonant device.
The antenna assembly specifically includes short-circuit resonant device 104, feeder line, coupling line, microstrip antenna 110 and balun micro-strip 109.
In the present embodiment, feeder line has two, respectively feeder line 106 and feeder line 107.Coupling line also has two, respectively coupling line
102 and coupling line 103.Specifically, short-circuit resonant device 104 is located between coupling line 102 and coupling line 103, and the short circuit is humorous
The device 104 that shakes is having gap 105 near feeder line side as a kind of open loop structure.Two coupling line is parallel to each other, and with short circuit
104 periphery of resonator is parallel, and two coupling lines have gap 111 away from feeder line side in short-circuit resonant device 104.Two feeder lines it
Between equally there is gap 108, but the width in the width in the gap 108 of two feeder lines and the gap 105 of short-circuit resonant device 104 can be with
It is identical, it is also possible to different, because both effects are different, this is not limited in the present embodiment.By adjusting two feeder lines
The width in gap 108, to adjust the intensity of the signal after coupling；By the width for adjusting the gap 105 of short-circuit resonant device 104,
To adjust the center frequency point of stopband.
In two feeder lines, feeder line 106 has feed point 101, is carried out by radio frequency testing seat of this feed point 101 with mobile terminal
Feed, specifically, as a kind of this possible feeding classification, feeder line 106 by with radio frequency testing seat in metal radiation unit
The mode being directly connected to is fed, as alternatively possible feeding classification, feeder line 106 by with radio frequency testing seat in gold
The mode of category radiating element coupling realizes feed, and used as another possible feeding classification, feeder line 106 is surveyed with radio frequency by probe
Metal radiation unit in examination seat realizes feed.Another feeder line 107 in two feeder lines is connected with one end of balun micro-strip 109
Connect, the other end connection microstrip antenna 110 of the balun micro-strip 109, then by the coupling between two feeder lines, be that signal is passed
It is defeated that complete path is provided.
Short-circuit resonant device 104, feeder line, coupling line and microstrip antenna 110 are constituted by microstrip line, and the microstrip line is in medium
The microwave transmission line that plain conductor band on substrate is constituted, can be used to make the planar structure transmission line of microwave integrated circuit.
Wherein, microstrip antenna 110 is used to receive signal, after microstrip antenna 110 receives signal, as microstrip antenna 110 is used
Microstrip line impedance be different from feeder line and short-circuit resonant device 104 using microstrip line impedance, it is thus special with different electricity
Property, it is impossible to be simply connected with each other, balun micro-strip 109 needed as converter, provide impedance transformation for two kinds of different microstrip lines,
Make between microstrip antenna 110, feeder line and short-circuit resonant device 104, to realize impedance matching, can just make what microstrip antenna 110 was received
Signal is smoothly transmitted to feeder line 107, is in turn coupled to short-circuit resonant device 104.The balun micro-strip 109 for being wherein used for impedance transformation is wrapped
Can adjust containing at least two minor matters, and the length of each minor matters, to produce different matching effects.Short-circuit resonant device 104 is adopted
With open loop structure, there is gap 105 at the opening of the open loop structure, the gap 105 is near feeder line side.By in gap
Couple signal of the stopband to be formed to receiving to be filtered at 105, can be by adjusting gap at 104 open loop of short-circuit resonant device
The length of 105 both sides microstrip lines 1041 and 1042, to adjust the bandwidth of stopband, and by adjusting at 104 open loop of short-circuit resonant device
The width in gap 105, to adjust the center frequency point of stopband.Optionally, the short-circuit resonant device 104 for filtering can be 1/4 ripple
Long short-circuit resonant device, and the shape of short-circuit resonant device 104 can be rectangle, or other polygons or circle.By Jing
The signal of filtering is crossed coupled to feeder line 106, and it is mobile eventually to the antenna assembly place to export by way of feeding feed point 101
The corresponding component at end.During signal transmission, two coupling lines 102 parallel to each other and coupling line 103 are provided commonly for increasing
Coupling between strong short-circuit resonant device 104 and feeder line, to strengthen signal strength signal intensity.
In order to meet the demand of miniature antenna, reduce the volume that antenna assembly takes, it is preferred that will there is the structure
Antenna assembly, is arranged on the printed circuit board (PCB) of mobile terminal, and arranged direction can need to be adjusted according to mobile terminal layout.
For example the antenna assembly can be can be disposed in printed circuit board (PCB) near mobile terminal USB side.To have antenna assembly
Preferably signal is received and transmission performance, and the dielectric material of the printed circuit board (PCB) can be two-layered medium, gradual change medium or mixing
Medium.For example, can a kind of the use of dielectric constant be 4.2, thickness is the medium material of the medium substrate as printed circuit board (PCB) of 1mm
Material, and printing uses width antenna assembly made by the microstrip line of 1.8mm on the printed circuit board (PCB).
As shown in Fig. 2 a kind of return loss plot figure of the antenna assembly provided for the utility model embodiment.Wherein,
The passband central frequency of the antenna assembly is located at 2.5GHz respectively, and passband is 2.4GHz-2.6GHz, it is seen that the utility model is implemented
Antenna assembly described in example, passband gain is flat, and the frequency range return loss beyond passband is higher, with the stronger outer suppression of band
Ability processed.It should be noted that the return loss plot figure, the possible way of realization of one of which only during actual measurement,
By adjusting the parameters such as structure, the microstrip line material of the antenna assembly, optimal being somebody's turn to do can be obtained according to specifically used environment
The pass band width and bandpass center frequency of antenna assembly.
Therefore, using the mobile terminal of the utility model example structure, by the signal for receiving microstrip antenna, Jing
Feeder line is sent to by balun micro-strip, and the coupling by short-circuit resonant device and feeder line, and reinforcing of the coupling line to coupling,
So that the antenna assembly with this structure possesses preferable filter function, the interference of successive bands signal is effectively reduced,
Pass band width and center frequency point can be adjusted according to concrete application environment, possess wideband, flat passband gain and high out-of-side rejection
The characteristics of spending.(Wideband Code Division Multiple Access, wideband code division are more such as can effectively to reduce WCDMA
Location), LTE (Long Term Evolution, Long Term Evolution) and WLAN (Wireless Local Area Networks, nothing
Line LAN) in signal interference between each successive bands, so as to reduce as far as possible WCDMA band4 and WCDMA band1 it
Between, between WCDMA band1 and LTE band34, and the interference between LTE band7 and WLAN.Simultaneously as using short
The mode that road resonator is coupled with feeder line realizes filter function, compares the antenna for adding wave filter in device external, equipment volume
Significantly reduced, so as to meet the demand of miniature antenna, and then met the demand of the ultra-thin outward appearance of mobile terminal.
Embodiment three
On the basis of above-described embodiment, the antenna assembly that the quantity of short-circuit resonant device is two is carried out in the present embodiment
Describe in detail, the structured flowchart of another kind of antenna assembly that Fig. 3 is provided for the utility model embodiment.
With reference to shown in Fig. 3, the antenna assembly that the utility model embodiment is provided include short-circuit resonant device, coupling line, feeder line,
Microstrip antenna 110 and balun micro-strip 109.In the present embodiment, it is to realize dual-passband filter function, short-circuit resonant device is two, point
Wei not short-circuit resonant device 104 and short-circuit resonant device 204.Coupling line is four, is one group per two coupling lines, two groups of coupling lines point
Wei not coupling line 102-103 and coupling line 202-203.Wherein, coupling line 102 is parallel with coupling line 103, coupling line 202 and coupling
Zygonema 203 is parallel, and each short-circuit resonant device is respectively positioned between one group of two coupling line parallel to each other.
Every group of coupling line all has gap, respectively gap 221 away from feeder line side in corresponding short-circuit resonant device
With gap 222, there is between two feeder lines gap 208.Wherein, gap at the width in gap and short-circuit resonant device opening between feeder line
Width can be with identical, it is also possible to it is different, this is not limited in the present embodiment.By the width for adjusting gap between two feeder lines
Degree, and/or adjust the width in gap between two coupling lines parallel to each other, the intensity that can be adjusted, and then adjusting signal intensity.
Two short-circuit resonant devices 104 and short-circuit resonant device 204 with parallel-connection structure are located at feeder line both sides respectively.Short circuit is humorous
Shake coupling line 102 and coupling line 103 outside device 104 connects the side of feeder line, the coupling line 202 outside short-circuit resonant device 204 respectively
Connect the opposite side of feeder line with coupling line 203 respectively.Wherein, short-circuit resonant device 104 and short-circuit resonant device 204 can adopt open loop
Structure, has gap 105 and gap 205 at the opening of feeder line side respectively in open loop structure.The two short-circuit resonant devices
It is filtered by coupling signal of the stopband to be formed to receiving at gap 105 and gap 205 respectively, can be by difference
The length of gap 105 and gap 205 both sides microstrip line 1041-1042 and 2041-2042 is adjusted, to adjust two short-circuit resonant devices
The bandwidth of respective stopband, and by adjusting gap 105 and gap at short-circuit resonant device 104 and 204 open loop of short-circuit resonant device respectively
205 width, to adjust the center frequency point of respective stopband.So as to form two stopbands that can be separately adjustable.And then realize two
The antenna assembly with dual-passband filter function of passband independent design.Due to the work of the transmission means and other components of signal
It is described in detail in a upper embodiment, here is omitted.
Therefore, using the mobile terminal of the utility model example structure, by the signal for receiving microstrip antenna, Jing
Feeder line is sent to by balun micro-strip, and by the coupling of multigroup short-circuit resonant device and feeder line, and coupling line is to coupling
Reinforcing, obtains comb filter frequency response.So that the antenna assembly with this structure not only can effectively reduce adjacent frequency
The interference of segment signal, such as can effectively reduce WCDMA (Wideband Code Division Multiple Access, broadband code
Point multiple access), LTE (Long Term Evolution, Long Term Evolution) and WLAN (Wireless Local Area
Networks, WLAN) in signal interference between each successive bands so that WCDMA band4 and WCDMA
Between band1, between WCDMA band1 and LTE band34, the interference between LTE band7 and WLAN reaches minimum.May be used also
To realize being filtered many passband signals, so that the effectively compatible multiple communication standards of the antenna assembly with this structure.Together
When, due to being coupled with feeder line using short-circuit resonant device by the way of realize filter function, compare and add wave filter in device external
Antenna, equipment volume are significantly reduced, and so as to meet the demand of miniature antenna, and then it is ultra-thin outer to meet mobile terminal
The demand of sight.
Example IV
The utility model embodiment provides a kind of mobile terminal includes the antenna assembly described in above-described embodiment.
Therefore, using the mobile terminal of the utility model example structure, by the signal for receiving microstrip antenna, Jing
Feeder line is sent to by balun micro-strip, and by the coupling of one or more short-circuit resonant devices and feeder line, and coupling line is to coupling
The reinforcing of effect, obtains the frequency response of single-pass band filter or comb filter frequency response.So that including with above-mentioned knot
The mobile terminal of structure antenna assembly, not only can effectively reduce the interference of successive bands signal, such as can effectively reduce WCDMA
(Wideband Code Division Multiple Access, WCDMA), LTE (Long Term
Evolution, Long Term Evolution) and WLAN (Wireless Local Area Networks, WLAN) Zhong Gexiang
Signal interference between adjacent frequency section, so that between WCDMA band4 and WCDMA band1, WCDMA band1 and LTE
Between band34, the interference between LTE band7 and WLAN reaches minimum.Can also realize entering single-pass band or many passband signals
Row filtering, so that the mobile terminal can effectively compatible multiple communication standards.Simultaneously as being coupled with feeder line using short-circuit resonant device
Mode realize filter function, compare the antenna for adding wave filter in device external, equipment volume significantly reduced, so as to full
The foot demand of miniature antenna, and then meet the demand of the ultra-thin outward appearance of mobile terminal.
It should be noted that each embodiment in this specification is described by the way of progressive, each embodiment weight
Point explanation is all difference with other embodiment, between each embodiment identical similar part mutually referring to.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So, claims are intended to solution
It is interpreted as including preferred embodiment and falls into the had altered of the utility model scope of embodiments and change.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation are made a distinction with another entity or operation, and are not necessarily required or implied these entities or operation
Between there is any this actual relation or order.And, term " including ", "comprising" or its any other variant are anticipated
Covering including for nonexcludability, so that a series of process, method, article or terminal device including key elements is not only wrapped
Those key elements are included, but also including other key elements being not expressly set out, or also include for this process, method, article
Or the key element that terminal device is intrinsic.In the absence of more restrictions, by wanting that sentence "including a ..." is limited
Element, it is not excluded that also there is other identical element in the process including the key element, method, article or terminal device.
Above technical scheme provided by the utility model is described in detail, specific case pair used herein
Principle of the present utility model and embodiment are set forth, and the explanation of above example is only intended to help and understands that this practicality is new
The method and its core concept of type；Simultaneously for one of ordinary skill in the art, according to thought of the present utility model, in tool
Will change in body embodiment and range of application, in sum, this specification content is should not be construed as to this practicality
New restriction.
Claims (10)
1. a kind of antenna assembly, it is characterised in that include：Short-circuit resonant device, feeder line, coupling line, microstrip antenna and balun micro-strip；
The short-circuit resonant device is located between two coupling lines；
Two coupling lines are parallel to each other, and every coupling line connects a feeder line respectively；
There is between two feeder lines gap, wherein, a feeder line has feed point, and another feeder line is connected with one end of balun micro-strip
Connect, the other end of the balun micro-strip connects the microstrip antenna；
The microstrip antenna, for receiving signal；
The balun micro-strip, for matching the impedance between the short-circuit resonant device and microstrip antenna, and the signal is passed
It is defeated by the feeder line；
The feeder line, for being filtered to the signal for receiving by coupling the stopband to be formed with the short-circuit resonant device, passes through
Feed point is exported；
Two coupling lines parallel to each other, for strengthening the coupling of the feeder line and the short-circuit resonant device；
The microstrip antenna receives signal, by the balun micro-strip between the short-circuit resonant device and the microstrip antenna
The matching of impedance, transmits the signal to the feeder line, by the coupling of the feeder line and the short-circuit resonant device to described
Signal is filtered process, and the signal of filtering is exported by feed point.
2. antenna assembly according to claim 1, it is characterised in that include：More than one short-circuit resonant device, wherein, often
Two coupling lines of individual short-circuit resonant device correspondence；
Then each described short-circuit resonant device is respectively positioned between two coupling lines.
3. antenna assembly according to claim 2, it is characterised in that include：Two short-circuit resonants with parallel-connection structure
Device, described two short-circuit resonant devices are located at feeder line both sides respectively；
Two coupling lines outside one short-circuit resonant device connect the side of feeder line respectively, two couplings outside another short-circuit resonant device
Zygonema connects the opposite side of feeder line respectively.
4. antenna assembly according to claim 1 and 2, it is characterised in that the short-circuit resonant device is made up of microstrip line
, the short-circuit resonant device to be adopted and have gap at open loop structure, and the open loop of the open loop structure；
Wherein, by the length of gap both sides microstrip line at the regulation short-circuit resonant device open loop, to adjust the bandwidth of stopband；
By the width for adjusting gap at the short-circuit resonant device open loop, to adjust the center frequency point of stopband.
5. antenna assembly according to claim 1 and 2, it is characterised in that the coupling line and the feeder line are by micro-strip
What line was constituted；
By the width in gap between the width for adjusting gap between two coupling lines, and/or regulation two feeder lines,
To adjust stiffness of coupling.
6. antenna assembly according to claim 1 and 2, it is characterised in that the short-circuit resonant utensil has circle and/or many
Side shape structure.
7. antenna assembly according to claim 1, it is characterised in that the balun micro-strip includes at least two minor matters.
8. antenna assembly according to claim 7, it is characterised in that by the length for adjusting each minor matters of the balun micro-strip
Degree, matches the impedance at the balun micro-strip two ends.
9. antenna assembly according to claim 1, it is characterised in that the antenna assembly is configured on printed circuit board (PCB).
10. a kind of mobile terminal, it is characterised in that include the antenna assembly as described in above-mentioned any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201620809317.4U CN206076483U (en) | 2016-07-28 | 2016-07-28 | A kind of antenna assembly and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620809317.4U CN206076483U (en) | 2016-07-28 | 2016-07-28 | A kind of antenna assembly and mobile terminal |
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| CN206076483U true CN206076483U (en) | 2017-04-05 |
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| CN201620809317.4U Expired - Fee Related CN206076483U (en) | 2016-07-28 | 2016-07-28 | A kind of antenna assembly and mobile terminal |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666034A (en) * | 2016-07-28 | 2018-02-06 | 大唐终端技术有限公司 | A kind of antenna assembly and mobile terminal |
| CN108777356A (en) * | 2018-05-31 | 2018-11-09 | 中国舰船研究设计中心 | A kind of microstrip antenna and its design method with filtering characteristic |
-
2016
- 2016-07-28 CN CN201620809317.4U patent/CN206076483U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107666034A (en) * | 2016-07-28 | 2018-02-06 | 大唐终端技术有限公司 | A kind of antenna assembly and mobile terminal |
| CN107666034B (en) * | 2016-07-28 | 2024-05-10 | 大唐终端技术有限公司 | Antenna device and mobile terminal |
| CN108777356A (en) * | 2018-05-31 | 2018-11-09 | 中国舰船研究设计中心 | A kind of microstrip antenna and its design method with filtering characteristic |
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