CN201887150U - Broad-band antenna - Google Patents
Broad-band antenna Download PDFInfo
- Publication number
- CN201887150U CN201887150U CN 201020289640 CN201020289640U CN201887150U CN 201887150 U CN201887150 U CN 201887150U CN 201020289640 CN201020289640 CN 201020289640 CN 201020289640 U CN201020289640 U CN 201020289640U CN 201887150 U CN201887150 U CN 201887150U
- Authority
- CN
- China
- Prior art keywords
- radiation arm
- ground connection
- broad
- bonding conductor
- linkage section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Waveguide Aerials (AREA)
Abstract
The utility model relates to a broad-band antenna which comprises a base plate including a first surface and a second surface opposite to the first surface, and a first radiation arm, a second radiation arm, a first grounding section and a first connecting conductor that are positioned on the first surface, as well as a second grounding section and a second connecting conductor which are arranged on the second surface; the second radiation arm is connected with one end of the first radiation arm; one end of the first connecting conductor is connected with the joint between the first radiation arm and the second radiation arm, and the other end of the first connecting conductor is connected with the first grounding section; the first connecting conductor is provided with a feeding point; one end of the second connecting conductor is connected with the second grounding section; and at least part of the second connecting conductor is overlapped with the first connecting conductor. With the broad-band antenna, the transmission direction of a signal in the first connecting conductor is the same as that of the signal in the second connecting conductor so as to achieve an addition effect of radiation pattern and further improve the bandwidth and the transmission efficiency of the antenna.
Description
Technical field
The utility model relates to a kind of antenna, is meant a kind of broad-band antenna especially.
Background technology
Along with development of wireless communication devices, WLAN (Wireless Local Area Network, application WLAN) more and more widely, so the performance of antenna just becomes one of important key that influences value of the product.
Yet, communicator now need be accomplished compact with the trend that meets market and user's demand, but in limited space, tradition inverted F shaped antenna (Patched Inverse F Antenna, PIFA) bandwidth can be restricted and can't satisfy the demand of wide band communications system, and the efficiency of transmission of antenna also will be had a greatly reduced quality.
Therefore, need provide a kind of broad-band antenna to address the above problem.
The utility model content
Therefore, the purpose of this utility model is promptly providing a kind of broad-band antenna that can improve efficiency of transmission and bandwidth in limited space.
So, broad-band antenna of the present utility model, comprise: a substrate, one first radiation arm, one second radiation arm, one first ground connection section, one first bonding conductor, one second ground connection section and one second bonding conductor, this substrate comprises one first, and one in contrast to this first second; This first radiation arm, this second radiation arm, this first ground connection section and this first bonding conductor are positioned on this first, one end of this second radiation arm is connected with an end of this first radiation arm, a wherein end of this first bonding conductor is connected in the junction of this first radiation arm and this second radiation arm, wherein the other end connects this first ground connection section, and this first bonding conductor is provided with a load point; This second ground connection section and this second bonding conductor are positioned on this second, and a wherein end of this second bonding conductor connects this second ground connection section, and this second bonding conductor is overlapping to small part and this first bonding conductor.
So, the transmission direction meeting of radiofrequency signal in this first bonding conductor is identical with the transmission direction in this second bonding conductor, makes radiation pattern produce the effect of addition, and then increases the bandwidth and the efficiency of transmission of broad-band antenna.
Preferably, first radiation arm, second radiation arm and the first ground connection section are parallel to each other, and the first ground connection section is positioned on first the side, and first radiation arm and second radiation arm are positioned at first and on another side of the first ground connection section.
Preferably, broad-band antenna also comprises one and is positioned at second coupling conductors, and the wherein other end of second bonding conductor connects coupling conductors, and coupling conductors is overlapping to small part and first radiation arm and second radiation arm.
Preferably, substrate comprises that also one is communicated with first and second 's via hole, in order to first bonding conductor is connected with first radiation arm, second radiation arm and coupling conductors.Preferably, via hole can be positioned at first radiation arm, second radiation arm, first bonding conductor and the second bonding conductor overlapping region, and the first ground connection section is on one of them.
Effect of the present utility model is, can increase the bandwidth and the transmission rate of broad-band antenna in limited space.
Description of drawings
Fig. 1 is first preferred embodiment of explanation the utility model broad-band antenna;
Fig. 2 be the explanation first preferred embodiment surface of first base on first conducting wire;
Fig. 3 is second conducting wire on second of substrate of explanation first preferred embodiment;
Fig. 4 is the plane outspread drawing of actual size of first conducting wire of explanation first preferred embodiment;
Fig. 5 is the plane outspread drawing of actual size of second conducting wire of explanation first preferred embodiment;
Fig. 6 is the direction of transfer of explanation radiofrequency signal in first conducting wire of first preferred embodiment;
Fig. 7 is the direction of transfer of explanation radiofrequency signal in second conducting wire of first preferred embodiment;
Fig. 8 is the measured voltage standing wave ratio figure of broad-band antenna of explanation first preferred embodiment;
Fig. 9 is first radiation arm of explanation first preferred embodiment and the another kind of connected mode of second radiation arm;
Figure 10 is second preferred embodiment of explanation the utility model broad-band antenna;
Figure 11 be the explanation second preferred embodiment surface of first base on first conducting wire;
Figure 12 is second conducting wire on second of substrate of explanation second preferred embodiment;
Figure 13 is the measured voltage standing wave ratio figure of broad-band antenna of explanation second preferred embodiment;
Figure 14 is the 3rd preferred embodiment of explanation the utility model broad-band antenna;
Figure 15 be the explanation the 3rd preferred embodiment surface of first base on first conducting wire;
Figure 16 is second conducting wire on second of substrate of explanation the 3rd preferred embodiment;
Figure 17 is the measured voltage standing wave ratio figure of broad-band antenna of explanation the 3rd preferred embodiment;
Figure 18 is the 4th preferred embodiment of explanation the utility model broad-band antenna;
Figure 19 be the explanation the 4th preferred embodiment surface of first base on first conducting wire;
Figure 20 is second conducting wire on second of substrate of explanation the 4th preferred embodiment;
Figure 21 is the measured voltage standing wave ratio figure of broad-band antenna of explanation the 4th preferred embodiment;
Figure 22 is the 5th preferred embodiment of explanation the utility model broad-band antenna;
Figure 23 be the explanation the 5th preferred embodiment surface of first base on first conducting wire;
Figure 24 is second conducting wire on second of substrate of explanation the 5th preferred embodiment; And
Figure 25 is the measured voltage standing wave ratio figure of broad-band antenna of explanation the 5th preferred embodiment.
The primary clustering symbol description:
100 broad-band antennas, 41 first bonding conductors
1 substrate, 42 second bonding conductors
11 first 401 first linkage sections
12 second 402 second linkage sections
21 first radiation arms 403 the 3rd linkage section
211 first segmentations 404 the 4th linkage section
212 second segmentations 405 the 5th linkage section
213 the 3rd segmentations 406 the 6th linkage section
22 second radiation arms 408 the 8th linkage section
221 the 4th segmentations 410 the tenth linkage section
222 the 5th segmentations, 5 load points
31 first ground connection sections, 6 coupling conductors
32 second ground connection sections, 7 via holes
Embodiment
About addressing his technology contents, characteristics and effect before of the present utility model, in the detailed description of following cooperation five preferred embodiments with reference to the accompanying drawings, can clearly present.
Before the utility model is described in detail, be noted that in the following description content similarly assembly is to represent with identical numbering.
Consult Fig. 1, Fig. 1 is first preferred embodiment of the utility model broad-band antenna, this broad-band antenna 100 comprises a substrate 1, and be laid in one first conducting wire and one second conducting wire on these substrate 1 two sides, by first conducting wire and second conducting wire be coupled mutually (couple), make that the sense of current that flows through first conducting wire and second conducting wire is identical, to promote the bandwidth and the usefulness of broad-band antenna 100.
Cooperate and to consult Fig. 2 and Fig. 3, substrate 1 is a rectangle circuit board, has first 11 of laying for first conducting wire, and one in contrast to this first 11 and second 12 of laying for second conducting wire.In the present embodiment, first conducting wire comprises one first radiation arm 21, one second radiation arm 22, one first ground connection section 31 and one first bonding conductor 41, one end of first radiation arm 21 is connected with an end of second radiation arm 22, and first radiation arm 21 and second radiation arm 22 are laid on first 11 along a long side of substrate 1; 31 another long sides along substrate 1 of the first ground connection section are laid on first 11, and the length of the first ground connection section 31 is equal to the length of substrate 1 long side, and the first ground connection section 31 and first radiation arm 21, second radiation arm 22 are parallel to each other.
Second conducting wire comprises a coupling conductors 6, one second ground connection section 32 and one second bonding conductor 42, coupling conductors 6 is laid on second 12 along the long side with first radiation arm 21 and second radiation arm, 22 homonymies, 32 of the second ground connection sections are along being laid on second 12 with the first ground connection section, 31 homonymies and another long side relative with coupling conductors 6, and the length of the second ground connection section 32 is identical with the length of substrate 1 long side, promptly is equal to the length of the first ground connection section 31.
Consult Fig. 1, in the present embodiment, the coupling conductors 6 and first radiation arm 21 and second radiation arm 22 are overlapping fully, but also can be to overlap; The first ground connection section 31 and the second ground connection section 32 be for overlapping fully, but also can be to overlap or not overlapping; 42 needs of second bonding conductor are overlapping 41 to small part and first bonding conductor, and for example design of present embodiment: first linkage section 401, the 3rd linkage section 403, the 5th linkage section 405 are covered in the 6th linkage section 406, the 8th linkage section 408, the tenth linkage section 410 respectively fully.In addition, the first ground connection section 31 can be connected with the second ground connection section 32 by outer lead (figure does not show), and is identical with the second ground connection section, 32 current potentials to guarantee the first ground connection section 31.
The actual size of present embodiment broad-band antenna 100 sees also Fig. 4 and Fig. 5, Fig. 4 is first 11 a vertical view of substrate 1, Fig. 5 is second 12 a end view of substrate 1, and the unit of numeral be millimeter (mm) among each figure, can consult among the figure every data to learn the actual size of present embodiment.Certainly, the length and the width of first radiation arm 21, second radiation arm 22, coupling conductors 6, the first ground connection section 31, the second ground connection section 32, first bonding conductor 41 and second bonding conductor 42 all do not exceed with present embodiment.
Consult Fig. 6, Fig. 7 and Fig. 8, when radiofrequency signal from load point 5 feed-in broad-band antennas 100, radiofrequency signal can be by load point 5 respectively toward the direction transmission (shown in the direction of arrow among Fig. 6 and Fig. 7) of first radiation arm 21 and second radiation arm 22, and the centre frequency that resonates out respectively is the frequency range (shown in voltage standing wave ratio (VSWR) figure of Fig. 8) of 894MHz (low frequency) and 1.85GHz (high frequency), to reach the effect that works in two-band.What specify is, when radiofrequency signal when first linkage section 401 transmits, can be coupled to second 12 the 6th linkage section 406 that is positioned at substrate 1 simultaneously, and be passed to coupling conductors 6 along the 4th linkage section 404 and second linkage section 402, make that the sense of current that flows through first bonding conductor 41 can be identical with the sense of current that flows through second bonding conductor 42, radiation pattern there is the effect of addition, to increase the bandwidth and the efficiency of transmission of broad-band antenna 100.
In addition, consult Fig. 1, the substrate 1 of present embodiment is positioned at first radiation arm 21 also to have one with the junction of second radiation arm 22 and is communicated with first 11 and second 12 via hole (Via) 7, the bonding conductor 41 of winning can be connected, more to increase the efficiency of transmission of broad-band antenna 100 with first radiation arm 21, second radiation arm 22 and coupling conductors 6.Certainly, the position of via hole 7 also can be positioned at first radiation arm 21, second radiation arm 22, first bonding conductor 41, or first on the ground connection section 31, and the quantity of via hole 7 and with single is not exceeded, can be on first radiation arm 21 and second radiation arm 22, and first be provided with most via holes 7 (specific range of need being separated by between the via hole 7 in twos) on the ground connection section 31, to obtain better efficiency of transmission.In addition, the first ground connection section 31 also can be connected with the second ground connection section 32 by laying via hole 7, to save the configuration of outer lead.
In addition, first radiation arm 21 and second radiation arm 22 also can incomplete flat shape in the first ground connection section 31, as shown in Figure 9, first radiation arm 21 can have one first segmentation 211 of serial connection in regular turn, one second segmentation 212 and one the 3rd segmentation 213, second radiation arm 22 also can have interconnective one the 4th segmentation 221 and one the 5th segmentation 222, the 3rd segmentation 213 connects the 5th segmentation 222 in contrast to an end that connects the 4th segmentation 221 in contrast to an end that connects second segmentation 212, the tie point of the win radiation arm 21 and second radiation arm 22 is not positioned on the side of substrate 1, so can reaches the effect of this case equally.
Consult Figure 10, Figure 11 and Figure 12, Figure 10, Figure 11 and Figure 12 are second preferred embodiment of the utility model broad-band antenna 100, roughly identical with first preferred embodiment, its difference is, second bonding conductor 42 has one second linkage section 402 of serial connection in regular turn, one the 4th linkage section 404 and one the 6th linkage section 406 (as shown in figure 12), second linkage section 402, the shape structure and the position of the 4th linkage section 404 and the 6th linkage section 406 corresponds respectively to first linkage section 401 of first bonding conductor 41, the 3rd linkage section 403 and the 5th linkage section 405, make second bonding conductor 42 can with first bonding conductor 41 overlapping fully (as Figure 10), so can reach the effect that radiation pattern has addition equally, to increase the bandwidth and the efficiency of transmission of broad-band antenna 100.Figure 13 then is the measured voltage standing wave ratio figure of the broad-band antenna 100 of present embodiment.
Consult Figure 14, Figure 15 and Figure 16, Figure 14, Figure 15 and Figure 16 are the 3rd preferred embodiment of the utility model broad-band antenna 100, roughly identical with first preferred embodiment, its difference is, in the 8th linkage section 408 of second bonding conductor 42 and the tenth linkage section 410 zone between first radiation arm and 21 first ground connection sections 31, second linkage section 402 and the 4th linkage section 404 are then in the zone between second radiation arm 22 and the first ground connection section 31.Consult Figure 17, so design can reach the effect that radiation pattern has addition equally, and the centre frequency of high frequency can more be drawn high to 1.93GHz.
Consult Figure 18, Figure 19 and Figure 20, Figure 18, Figure 19 and Figure 20 are the 4th preferred embodiment of the utility model broad-band antenna 100, in the present embodiment, in first linkage section 401 of first bonding conductor 41 and the 3rd linkage section 403 zone between second radiation arm 22 and the first ground connection section 31, and the 5th linkage section 405 is laid on first 11 along a short side of substrate 1; Second bonding conductor 42 has one second linkage section 402 of serial connection in regular turn, one the 4th linkage section 404 and one the 6th linkage section 406 (as shown in figure 20), second linkage section 402, the shape structure and the position of the 4th linkage section 404 and the 6th linkage section 406 corresponds respectively to first linkage section 401 of first bonding conductor 41, the 3rd linkage section 403 and the 5th linkage section 405, make that second bonding conductor 42 can be overlapping fully with first bonding conductor 41, the direction that radiofrequency signal is transmitted in first bonding conductor 41 is identical with the direction of transmission in second bonding conductor 42, reaching the addition effect of radiation pattern, and then increase the bandwidth and the efficiency of transmission of broad-band antenna 100.Figure 21 then is the measured voltage standing wave ratio figure of the broad-band antenna 100 of present embodiment.
Consult Figure 22, Figure 23 and Figure 24, Figure 22, Figure 23 and Figure 24 are the 5th preferred embodiment of the utility model broad-band antenna 100, roughly identical with the 4th preferred embodiment, its difference is, second bonding conductor 42 has one second linkage section 402 of serial connection in regular turn, one the 4th linkage section 404, one the 6th linkage section 406, one the 8th linkage section 408 and 1 the tenth linkage section 410 (as shown in figure 24), the 4th linkage section 404 and the 8th linkage section 408 extend along Y direction, second linkage section 402,410 of the 6th linkage section 406 and the tenth linkage sections extend along X-axis, and in second linkage section 402 and the 4th linkage section 404 zone between first radiation arm 21 and the first ground connection section 31, in 410 zones between second radiation arm 22 and the first ground connection section 31 of the 8th linkage section 408 and the tenth linkage section, the direction that radiofrequency signal is transmitted in first bonding conductor 41 is identical with the direction of transmission in second bonding conductor 42, to increase the bandwidth and the efficiency of transmission of broad-band antenna 100.Figure 25 then is the measured voltage standing wave ratio figure of the broad-band antenna 100 of present embodiment.
In sum, the utility model broad-band antenna 100 is by laying the first ground connection section 31 and the second ground connection section 32 respectively in the two sides 11,12 of substrate 1, and to small part overlapped first bonding conductor 41 and second bonding conductor 42, make that the sense of current that flows through first bonding conductor 41 can be identical with the sense of current that flows through second bonding conductor 42, to reach the addition effect of radiation pattern, and then the bandwidth and the efficiency of transmission of increase broad-band antenna 100, so can reach the purpose of this utility model really.
The above person of thought, it only is preferred embodiment of the present utility model, can not limit the scope that the utility model is implemented with this, be every simple equivalent variations and modification of being done according to the scope and the utility model description of the utility model claims, all still belong in the scope that the utility model patent contains.
Claims (7)
1. a broad-band antenna is characterized in that, this broad-band antenna comprises:
One substrate, this substrate comprise one first, and one in contrast to this first second;
One first radiation arm, this first radiation arm are positioned on this first;
One second radiation arm, this second radiation arm is positioned on this first, and is connected with an end of this first radiation arm;
One first ground connection section, this first ground connection section is positioned on this first;
One first bonding conductor, this first bonding conductor is positioned on this first, and wherein an end is connected in the junction of this first radiation arm and this second radiation arm, and wherein the other end connects this first ground connection section, and this first bonding conductor is provided with a load point;
One second ground connection section, this second ground connection section is positioned on this second; And
One second bonding conductor, this second bonding conductor is positioned on this second, and wherein an end connects this second ground connection section, and this second bonding conductor is overlapping to small part and this first bonding conductor.
2. broad-band antenna according to claim 1, it is characterized in that, this first radiation arm, this second radiation arm and this first ground connection section are parallel to each other, and this first ground connection section is positioned on this side of first, and this first radiation arm and this second radiation arm are positioned at this first and on another side of this first ground connection section.
3. broad-band antenna according to claim 1 is characterized in that, this second ground connection section is laid on this second along the side with this first ground connection section homonymy, and this second ground connection section and this first ground connection section are overlapped.
4. broad-band antenna according to claim 1, it is characterized in that, this broad-band antenna comprises that also one is positioned at this coupling conductors of second, and the wherein other end of this second bonding conductor connects this coupling conductors, and this coupling conductors is overlapping to small part and this first radiation arm and this second radiation arm.
5. broad-band antenna according to claim 4 is characterized in that, this coupling conductors is laid on this second along the side with this first radiation arm and this second radiation arm homonymy.
6. broad-band antenna according to claim 1 is characterized in that, this substrate comprises that also one is communicated with this first and this via hole of second, in order to this first bonding conductor is connected with this first radiation arm, this second radiation arm and this coupling conductors.
7. broad-band antenna according to claim 6 is characterized in that, this via hole can be positioned at this first radiation arm, this second radiation arm, this first bonding conductor and this second bonding conductor overlapping region, and this first ground connection section is on one of them.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020289640 CN201887150U (en) | 2010-08-12 | 2010-08-12 | Broad-band antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020289640 CN201887150U (en) | 2010-08-12 | 2010-08-12 | Broad-band antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201887150U true CN201887150U (en) | 2011-06-29 |
Family
ID=44184699
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020289640 Expired - Fee Related CN201887150U (en) | 2010-08-12 | 2010-08-12 | Broad-band antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201887150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078749A (en) * | 2013-03-27 | 2014-10-01 | 深圳富泰宏精密工业有限公司 | Antenna structure |
-
2010
- 2010-08-12 CN CN 201020289640 patent/CN201887150U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104078749A (en) * | 2013-03-27 | 2014-10-01 | 深圳富泰宏精密工业有限公司 | Antenna structure |
| CN104078749B (en) * | 2013-03-27 | 2018-07-27 | 深圳富泰宏精密工业有限公司 | Antenna structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202759017U (en) | Multi-frequency parasitic coupling antenna and radio communication apparatus possessing coupling antenna | |
| CN104795630A (en) | Dual-band omnidirectional WIFI (wireless fidelity) antenna | |
| TWI521788B (en) | Antenna assembly and wireless communication device | |
| CN102820523B (en) | Multifrequency antenna | |
| CN207883897U (en) | A kind of broadband base station antenna radiating element | |
| CN106921035A (en) | Antenna system | |
| CN104868232A (en) | Printing type multiband WLAN/WiMAX antenna with compact structure | |
| CN204741070U (en) | Antenna device | |
| CN103545611B (en) | Wireless communication device | |
| CN209434381U (en) | 5G wideband mimo antenna system and mobile terminal based on manifold type loop aerial | |
| CN204651477U (en) | Double frequency WIFI omnidirectional antenna | |
| CN103794868B (en) | Antenna module | |
| CN204391276U (en) | Antenna assembly | |
| CN204651475U (en) | A kind of printing-type multiple band WLAN/WiMAX antenna of compact conformation | |
| US7659852B2 (en) | Multi-band antenna with low-profile | |
| CN201887150U (en) | Broad-band antenna | |
| CN2906951Y (en) | Tri-frequency PCB antenna using circular column type oscillator | |
| CN202259673U (en) | Dual-frequency antenna | |
| CN202662811U (en) | Circular slotted dual-frequency microstrip antenna | |
| CN102569998A (en) | multi-frequency antenna | |
| CN101499557A (en) | Double-frequency antenna | |
| CN104979623B (en) | Collect the multifrequency antenna and wireless communication terminal of wireless telecommunications, data transfer and positioning | |
| TW201225413A (en) | Multi-frequency antenna | |
| CN103715497B (en) | A kind of miniaturization LTE/WWAN antenna | |
| CN113540780A (en) | Broadband dual-polarization folding electric dipole antenna |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20190812 |