CN103259076B - Wide frequency antenna - Google Patents
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- CN103259076B CN103259076B CN201210033992.9A CN201210033992A CN103259076B CN 103259076 B CN103259076 B CN 103259076B CN 201210033992 A CN201210033992 A CN 201210033992A CN 103259076 B CN103259076 B CN 103259076B
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Abstract
A kind of wide frequency antenna, includes an earth element, is electrically connected on a ground end; One feed-in source, is used for transmitting/receiving wireless signal; One first radiant body, it includes one first radiation component, extends along a first direction; One second radiation component, the rightabout along this first direction extends; And a transport element, extend along a second direction; And one second radiant body, it includes a short-circuit component, is electrically connected on this earth element; One the 3rd radiation component includes a segmentation and this transport element interval one first distance, and this first distance makes the 3rd radiation component and this transport element produce the effect that is of coupled connections; Wherein this second radiant body is less than the average vertical distance of this first radiation component apart from this earth element apart from an average vertical distance of this earth element.
Description
Technical field
The present invention refers to a kind of wide frequency antenna, espespecially a kind of wide frequency antenna utilizing vertical coupled joint efficiency.
Background technology
There is the electronic product of wireless communication function, as notebook, personal digital assistant (PersonalDigital Assistant) etc., launched by antenna or receive radio wave, to transmit or to exchange radio signal, and then access wireless networking.Therefore, in order to allow user can access wireless communication network more easily, the frequency range of ideal antenna should increase as much as possible in tolerance band, and size then should reduce as far as possible, to coordinate the trend of electronic product volume-diminished.
In prior art, as TaiWan, China I318022 patent, disclose a kind of multifrequency antenna 10 for wireless transmission, as shown in Figure 1.Multifrequency antenna 10 comprises grounded part 100,1 first radiant section 101, fine setting metallic member 102,1 second radiant section 103, the 3rd radiant section 104, feeder line 105 and a salient point 106, by length L102 and the width W 102 of adjustment fine setting metallic member 102, enter the impedance matching of a change multifrequency antenna 10, the different radiation field shape of corresponding generation and emittance, and transmit the wireless signal of frequency range 2.2GHz to 2.6GHz.But along with the evolution of wireless communication technique, the frequency of operation of wireless telecommunication system is more and more wider, and the multifrequency antenna 1 of prior art cannot meet user's demand.Therefore, provide a kind of wide frequency antenna, effectively can improve transmitting bandwidth, effectively can reduce antenna size again, become one of target that industry makes great efforts.
Summary of the invention
Therefore, namely main purpose of the present invention is to provide a kind of wide frequency antenna utilizing vertical coupled joint efficiency.
The present invention discloses a kind of wide frequency antenna, includes an earth element, is electrically connected on a ground end; One feed-in source, is used for transmitting/receiving wireless signal; One first radiant body, it includes one first radiation component, extends along a first direction; One second radiation component, the rightabout along this first direction extends; And a transport element, extend along a second direction, include one end and be electrically connected between this first radiation component and this second radiation component, the other end is electrically connected on this feed-in source; And one second radiant body, it includes a short-circuit component, is electrically connected on this earth element; One the 3rd radiation component, is electrically connected on this short-circuit component, and includes a segmentation and extend along this second direction, and this segmentation and this transport element interval one first distance, this first distance makes the 3rd radiation component and this transport element produce the effect that is of coupled connections; Wherein, this first direction is substantially vertical with this second direction, and this second radiant body is less than the average vertical distance of this first radiation component apart from this earth element apart from an average vertical distance of this earth element.
Compared to existing multifrequency antenna, wide frequency antenna of the present invention more in wireless transmission process, can provide the wireless signal being applicable to high-frequency/low-frequency frequency range, and has preferably voltage standing wave ratio.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of an existing multifrequency antenna.
Fig. 2 is the schematic diagram of the present invention one wide frequency antenna.
Fig. 3 is the schematic diagram of another wide frequency antenna of the present invention.
Fig. 4 is the schematic diagram of another wide frequency antenna of the present invention.
Fig. 5 is the schematic diagram of another wide frequency antenna of the present invention.
Fig. 6 is the schematic diagram of another wide frequency antenna of the present invention.
Fig. 7 is voltage standing wave ratio (VSWR) schematic diagram that Fig. 2 wide frequency antenna measures.
Fig. 8 is the schematic diagram of another wide frequency antenna of the present invention.
Fig. 9 is the schematic diagram of another wide frequency antenna of the present invention.
Drawing reference numeral:
10 multifrequency antennas
100 grounded parts
101 first radiant sections
102 fine setting metallic member
103 second radiant sections
104 the 3rd radiant sections
105 feeder lines
106 salient points
L102 length
W102 width
2,3,4,5,6,8,9 wide frequency antennas
20 earth elements
22 feed-in sources
24,34,44,54,64 first radiant bodies
240,340,440,540,640 first radiation components
242,342,442,542,642 second radiation components
244,344,444,544,644 transport elements
26,56,66,86,96 second radiant bodies
260,560,660 the 3rd radiation components
262,562,662 short-circuit components
264,644,860,960,962 segmentations
28,58,68 substrates
40 slot portion
5440,6440 conducting parts
5442,6442 coupling parts
862,964 ends
C1, C2, C3, C4 bending place
D1 first distance
Embodiment
Please refer to Fig. 2, Fig. 2 is the schematic diagram of the present invention one wide frequency antenna 2.As shown in Figure 2, wide frequency antenna 2 is positioned in an XY plane, it comprises an X-direction and a Y direction and both are mutually vertical, and wide frequency antenna 2 utilizes a substrate 28 to carry, and includes earth element 20, feed-in source 22,1 first radiant body 24 and one second radiant body 26.First radiant body 24 is used to transmission one high-frequency band, its overall length is substantially equal to the quarter-wave of high-frequency wireless signals, and the first radiant body 24 more comprises one first radiation component 240, one second radiation component 242 and a transport element 244, wherein the first radiation component 240 and the second radiation component 242 all extend along X-direction, and transport element 244 is by the first radiation component 240 and the second radiation component 242 level connection joint, in order to do making the first radiation component 240 and the second radiation component 242 with transport element 244 for starting point and along X-direction, extend toward contrary direction, transport element 244 also provides the first radiation component 240 and the second radiation component 242 to be electrically connected on feed-in source 22 simultaneously.In addition, second radiant body 26 is used to transmission one low frequency frequency range, its overall length is substantially equal to the quarter-wave of low-frequency wireless signals, and the second radiant body 26 more comprises one the 3rd radiation component 260 and a short-circuit component 262, short-circuit component 262 is electrically connected between the 3rd radiation component 260 and earth element 20, and the 3rd radiation component 260 more comprises a segmentation 264 along Y direction extends, and segmentation 264 and transport element 244 mutual distance one first distance D1, produce one in order to do making the 3rd radiation component 260 and transport element 244 to be of coupled connections effect, set up the transmission of radiofrequency signal between the 3rd radiation component 260 and feed-in source 22 further.Be be electrically connected on a ground end (not shown) as earth element 20, feed-in source 22 is then used for receiving and dispatching the wireless signal of high-frequency band or low frequency frequency range.
Specifically, wide frequency antenna 2 carrys out the wireless signal of carry high frequency frequency range and low frequency frequency range by the first radiant body 24 and the second radiant body 26, wherein the second radiant body 26 more comprises multiple bending in the Y-axis direction, can be compared to bending place C1 in this embodiment, C2, C3, C4, forming a similar fulgurans structure provides the second radiant body 26 to extend to the first radiation component 240 of the first radiant body 24 along Y direction from earth element 20, in addition, one average vertical distance of its multiple composed component of comparison second radiant body 26/branch's distance earth element 20, be not more than the average vertical distance (namely first radiation component 240 be roughly positioned at second radiant body 26 on) of the first radiation component 240 apart from earth element 20.In addition, in order to maintain the effect that is of coupled connections between the 3rd radiation component 260 and transport element 244, segmentation 264 and transport element 244 mutual distance are less than 5 millimeters.Moreover, in this embodiment, one end (namely near the one end in feed-in source 22) of second radiation component 242 of the first radiant body 24, more present an inverted ladder-shaped structure, single order or multistage ladder composition is can be in the structure of this ladder, feed-in radiofrequency signal in feed-in source 22 is only conveniently provided, is not used to limit the present invention.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of another wide frequency antenna 3 of the present invention.As shown in Figure 3, the wide frequency antenna 2 of wide frequency antenna 3 and Fig. 2 has similar element composition, do not exist together second radiation component 342 one end of the first radiant body 34 being wide frequency antenna 3, be present a contra bevel type, namely the structure replacing of the ladder of the second radiation component 242 in Fig. 2 become a level and smooth line.Certainly, according to the demand that user is different, also can carry out the adjustment of its shape, such as, combine contra bevel type and inverted ladder-shaped structure, be all category of the present invention.In addition, please refer to Fig. 4, Fig. 4 is the schematic diagram of another wide frequency antenna 4 of the present invention.As shown in Figure 4, the wide frequency antenna 2 of wide frequency antenna 4 and Fig. 2 has similar element composition, do not exist together is that the first radiant body 44 of wide frequency antenna 4 more comprises a slot portion 40, and slot portion 40 can be positioned at the first radiation component 440, the overlapping areas of the second radiation component 442 and transport element 444, in this embodiment, slot portion 40 presents a polygon square structure, according to the different demands of user, certainly the adjustment of its shape can be carried out, maintain on the one hand the efficiency of feed-in source 22 feed-in radiofrequency signal and convenient, there is provided the first radiation component 440 on the other hand, second radiation component 442 and the elastic connection way of transport element 444 in design, be not used to limit category of the present invention.
Please refer to Fig. 5, Fig. 5 is the schematic diagram of another wide frequency antenna 5 of the present invention.As shown in Figure 5, the wide frequency antenna 2 of wide frequency antenna 5 and Fig. 2 is similar, but the transport element 544 of the first radiant body 54 of wide frequency antenna 5 more comprises conducting part 5440 and a coupling part 5442, moreover, wide frequency antenna 5 to be positioned in XY plane and to utilize a substrate 58 to carry (or being formed on substrate 58 in modes such as etchings), but, in this embodiment, substrate 58 more comprises two planes, for convenience of description, represent with solid line the element that first surface carries, be represented by dotted lines second element carried.Specifically, first surface is used for carrying earth element 20, feed-in source 22 and coupling part 5442, second face and is used for the first radiation component 540, second radiation component 542 of carrying first radiant body 54 and the 3rd radiation component 560 of conducting part 5440 and the second radiation component 56 and short-circuit component 562.Because coupling part 5442 can in second of substrate 58 upper formation one projection result, it will partly overlap with conducting part 5440, produce one in order to provide conducting part 5440 and coupling part 5442 to be of coupled connections effect, in the case, because feed-in source 22 is directly electrically connected on coupling part 5442, again by the effect that is of coupled connections, radiofrequency signal also can be sent to conducting part 5440 by coupling part 5442, and then sends wireless signal by the first radiant body 54 and the second radiant body 56.Notably, conducting part 5440 is similar to the operation principles of transport element 244, and other elements of the first radiant body 54 and the second radiant body 56 composition or operation principles, all with reference to the explanation of the relevant paragraph of figure 2 and wide frequency antenna 2, can be not repeated herein.
Please refer to Fig. 6, Fig. 6 is the schematic diagram of another wide frequency antenna 6 of the present invention.As shown in Figure 6, the wide frequency antenna 5 of wide frequency antenna 6 and Fig. 5 is similar, and represent first surface and second element carried by solid line and dotted line equally, not existing together is that its first surface of substrate 68 of carrying wide frequency antenna 6 will be used for carrying earth element 20, feed-in source 22, coupling part 6442 and the second radiant body 66, and its second face is only used for carrying first radiant body 64.Preferably, conducting part 6440 and coupling part 6442 also utilize that projection result is overlapped produces the effect that is of coupled connections, first radiant body 64 is electrically connected on feed-in source 22, also produce by a segmentation 664 and coupling part 6442 effect (segmentation 264 in similar Fig. 2 and transport element 244) that is of coupled connections as the second radiant body 66, and both are also apart from the first distance D1 (being less than 5 millimeters), set up the transmission of radiofrequency signal between the second radiant body 66 and feed-in source 22 according to this.As for other elements composition or the operation principles of the first radiant body 64 and the second radiant body 66, all with reference to the explanation of the relevant paragraph of figure 2 and wide frequency antenna 2, can be not repeated herein.
Notably, wide frequency antenna 2 provided by the present invention is the vertical coupled joint efficiencies set up by the first radiant body 24 and the second radiant body 26, in order to the wireless signal of carry high frequency frequency range and low frequency frequency range, certainly, wide frequency antenna 2 also can design by combination in any such as the different elements of Fig. 3 to Fig. 6, provides the range of application of user's more diversification further.Please refer to Fig. 7, Fig. 7 is voltage standing wave ratio (VSWR) schematic diagram that 2 figure wide frequency antennas 2 measure.As shown in Figure 7, wide frequency antenna 2 is except having above-mentioned diversification range of application concurrently, the transmission of wireless signals of suitable wideband more can be provided, transmission range such as from 2.2GHz to 6GHz, all present the desired transmission condition that a voltage standing wave ratio (VSWR) is less than 2, some frequency range specific, more can provide the voltage standing wave ratio transmission conditions that (VSWR) is less than 1.5 even.
In addition, based on the design concept of wide frequency antenna 2, to provide the first radiant body 24 and the second radiant body 26 to set up vertical coupled joint efficiency, correspondence also can propose more how different alternate embodiment.Please refer to Fig. 8 and Fig. 9, Fig. 8 is the schematic diagram of another wide frequency antenna 8 of the present invention, and Fig. 9 is the schematic diagram of another wide frequency antenna 9 of the present invention.As shown in Figure 8, the wide frequency antenna 2 of wide frequency antenna 8 and Fig. 2 is similar, the design shape of the second radiant body 86 being wide frequency antenna 8 of not existing together changes to some extent, but its overall length is still substantially equal to the quarter-wave of low-frequency wireless signals, and an end 862 of the second radiant body 86 is away from the first radiation component 240 and near earth element 20.Second radiant body 86 comprises multiple bending, and be electrically connected on earth element 20 by a segmentation 860 (as a short-circuit component), in addition, segmentation 860 (also as the subelement of one the 3rd radiation component) is close to transport element 244, also set up with transport element 244 effect that is of coupled connections by segmentation 860, and then the transmission of radiofrequency signal between the second radiant body 86 and feed-in source 22 is provided.In addition, wide frequency antenna 9 as shown in Figure 9 provides another kind of second radiant body 96, it utilizes a segmentation 960 (as a short-circuit component) to be electrically connected on earth element 20, and an end 964 of the second radiant body 96 is away from the first radiation component 240 and near earth element 20, also maintain the quarter-wave that the second radiant body 96 overall length is still substantially equal to low-frequency wireless signals simultaneously, with not existing together of the second radiant body 86 of wide frequency antenna 8, that the second radiant body 96 will away from transport element 244 with the junction (i.e. segmentation 960) of earth element 20, certainly, second radiant body 96 also sets up by another segmentation 962 (also as the subelement of one the 3rd radiation component) and transport element 244 effect that is of coupled connections, and then the transmission of radiofrequency signal between the second radiant body 96 and feed-in source 22 is provided.Notably, above-described embodiment is only exemplary, those skilled in the art adjust connected mode and the Connection Element of the second radiant body and earth element with answering adaptive, set up the transmission of radiofrequency signal between the second radiant body and transport element simultaneously, are all category of the present invention.
In addition, for the design and use of earth element 20, feed-in source 22 and substrate 28, should be well known to those skilled in the art, be not repeated herein.In fact, according to the demand of different system or user, those skilled in the art can according to wide frequency antenna 2, and the characteristic such as size, material, position of each element of adjustment further, to improve the scope of application of wide frequency antenna 2.In addition, the various embodiments of wide frequency antenna provided by the invention, be only exemplary parallel to each other or vertical by each interelement, naturally visual different situations adaptive ground increases/subtracts the setting of bending place, in order to reach saving spatially, as long as identical object of the present invention can be reached, be all category of the present invention.
Generally speaking, wide frequency antenna provided by the invention is roughly positioned on the second radiant body by the first radiation component of the first radiant body, and utilize the spacing of the transport element of the first radiant body and the second radiant body to set up a vertical coupled joint efficiency, in order to feed-in source is sent to the first radiant body and the second radiant body, certainly, according to the different demands of user, also the element of the first radiant body/the second radiant body can be carried out the change of its structure, or utilize two planes of the substrate carrying wide frequency antenna, it carries the different element of wide frequency antenna respectively, and then the range of application of user's more diversification is provided, compared to existing multifrequency antenna, wide frequency antenna of the present invention more can in wireless transmission process, the wireless signal being applicable to high-frequency/low-frequency frequency range is provided, and there is preferably voltage standing wave ratio.
The foregoing is only preferred embodiment of the present invention, all equalizations done according to the claims in the present invention change and modify, and all should belong to covering scope of the present invention.
Claims (11)
1. a wide frequency antenna, is characterized in that, described wide frequency antenna comprises:
One earth element, is electrically connected on a ground end;
One feed-in source, is used for transmitting/receiving wireless signal;
One first radiant body, comprises:
One first radiation component, extends along a first direction;
One second radiation component, rightabout along described first direction extends, described second radiation component comprises a slot portion, described slot portion is a polygon square, the effect of described slot portion maintains the efficiency of described feed-in source feed-in radiofrequency signal and convenient, and provide described first radiation component, described second radiation component and the transport element elastic connection way in design; And
One transport element, extend along a second direction, include one end and be electrically connected between described first radiation component and described second radiation component, the other end is electrically connected on described feed-in source; And
One second radiant body, comprises:
One short-circuit component, is electrically connected on described earth element;
One the 3rd radiation component, be electrically connected on described short-circuit component, and include a segmentation and extend along described second direction, and described segmentation and described transport element interval one first distance, described first distance makes described 3rd radiation component and described transport element produce the effect that is of coupled connections;
Wherein, described first direction is substantially vertical with described second direction, and described second radiant body is less than the average vertical distance of described first radiation component apart from described earth element apart from an average vertical distance of described earth element.
2. wide frequency antenna as claimed in claim 1, it is characterized in that, described second radiation component presents an inverted ladder-shaped or contra bevel type.
3. wide frequency antenna as claimed in claim 1, it is characterized in that, described first distance is less than 5 millimeters.
4. wide frequency antenna as claimed in claim 1, it is characterized in that, described 3rd radiation component comprises at least one bending.
5. wide frequency antenna as claimed in claim 1, it is characterized in that, described short-circuit component comprises at least one bending.
6. wide frequency antenna as claimed in claim 1, it is characterized in that, described wide frequency antenna separately comprises a substrate, is used for carrying described first radiant body, described second radiant body and described earth element.
7. wide frequency antenna as claimed in claim 6, it is characterized in that, described transport element comprises:
One conducting part, is formed at a first surface of described substrate, and is electrically connected on described first radiation component and described second radiation component; And
One coupling part, is formed on one second of described substrate, is electrically connected on described feed-in source, and the projection result being projected on described second with described conducting part partly overlaps, and produces with described conducting part the effect that is of coupled connections.
8. wide frequency antenna as claimed in claim 7, it is characterized in that, described first surface described first radiant body of carrying of described substrate and described second radiant body, described second described earth element of carrying, the first distance described in the described section gap of described conducting part and described 3rd radiation component.
9. wide frequency antenna as claimed in claim 7, it is characterized in that, described first radiant body of described first surface carrying of described substrate, described second described earth element of carrying and described second radiant body, the first distance described in the described section gap of described coupling part and described 3rd radiation component.
10. wide frequency antenna as claimed in claim 1, it is characterized in that, described segmentation and the described short-circuit component of described second radiant body integrate mutually, in order to be electrically connected on described earth element.
11. wide frequency antennas as claimed in claim 1, is characterized in that, an end of described 3rd radiant element is close to or away from described first radiation component.
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| CN201210033992.9A CN103259076B (en) | 2012-02-15 | 2012-02-15 | Wide frequency antenna |
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| CN201210033992.9A CN103259076B (en) | 2012-02-15 | 2012-02-15 | Wide frequency antenna |
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| CN103259076A CN103259076A (en) | 2013-08-21 |
| CN103259076B true CN103259076B (en) | 2015-09-16 |
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Families Citing this family (11)
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| CN104425870B (en) * | 2013-08-22 | 2019-01-25 | 深圳富泰宏精密工业有限公司 | Wide frequency antenna and wireless communication device with the wide frequency antenna |
| TWI591893B (en) | 2015-06-01 | 2017-07-11 | 啟碁科技股份有限公司 | Antenna and radio frequency signal transceiving device |
| CN106299679B (en) * | 2015-06-04 | 2019-06-11 | 启碁科技股份有限公司 | Antenna and radiofrequency signal R-T unit |
| US10431885B2 (en) | 2016-09-19 | 2019-10-01 | Wistron Neweb Corporation | Antenna system and antenna structure thereof |
| CN107845857B (en) * | 2016-09-20 | 2020-06-19 | 启碁科技股份有限公司 | Antenna structure and antenna system |
| CN109309279B (en) * | 2017-07-26 | 2020-08-11 | 启碁科技股份有限公司 | Antenna structure |
| TWI663777B (en) | 2017-08-02 | 2019-06-21 | 啟碁科技股份有限公司 | Antenna structure |
| CN109411883B (en) * | 2017-08-15 | 2021-10-08 | 启碁科技股份有限公司 | Antenna structure |
| CN107946748A (en) * | 2017-12-20 | 2018-04-20 | 上海煜鹏通讯电子股份有限公司 | A kind of novel wide-band PCB antenna suitable for WLAN WLAN |
| CN110350309B (en) * | 2018-04-03 | 2020-09-25 | 启碁科技股份有限公司 | Antenna structure |
| CN112186334B (en) * | 2019-07-03 | 2023-05-02 | 亚旭电脑股份有限公司 | Multi-frequency antenna module |
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