CN203774464U - Antenna - Google Patents
Antenna Download PDFInfo
- Publication number
- CN203774464U CN203774464U CN201420197574.8U CN201420197574U CN203774464U CN 203774464 U CN203774464 U CN 203774464U CN 201420197574 U CN201420197574 U CN 201420197574U CN 203774464 U CN203774464 U CN 203774464U
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- Prior art keywords
- radiant body
- section
- antenna
- free end
- radiator
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- 238000005516 engineering process Methods 0.000 abstract description 10
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000002902 bimodal effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000001808 coupling effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model relates to an antenna comprising a first radiator, a second radiator, a third radiator and a grounding assembly. The first radiator includes a first segment portion and a second segment portion, wherein the first segment portion is connected with the second segment portion; the first segment portion has a first free terminal and the second segment portion has a first connecting terminal connected with the grounding assembly. At least the part of the second radiator is parallel to the first segment portion of the first radiator; the second radiator is coupled to the first radiator; and the third radiator is connected to the second radiator. The third radiator has a third free terminal facing the first radiator; and thus the third radiator is coupled with the first radiator. With the antenna, the bandwidth requirement of the LTE technology can be met; and the antenna has advantages of low cost and small size.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of broad-band antenna.
Background technology
In recent years, along with wireless communication system is multimedia universal, in order to meet user's demand, WWAN (Wireless Wide Area Network in the past, radio wide area network) technology is about to by LTE (Long Term Evolution, Long Term Evolution) technology replaces, to improve transmission bandwidth and the transmission rate of wireless network.Although LTE technology has been the recent tendency of current wireless communication technology, the bandwidth demand of LTE technology is wider, is therefore difficult for designing the antenna that meets LTE bandwidth specification.
Therefore, need to provide a kind of antenna to solve the problems referred to above.
Utility model content
A kind of antenna that solves the problem of known technology and provide has been provided the utility model, and this antenna comprises: one first radiant body, one second radiant body, one the 3rd radiant body and a grounding assembly; This first radiant body comprises a first paragraph portion and a second segment portion, and this first paragraph portion connects this second segment portion, and this first paragraph portion has one first free end, and this second segment portion has one first link, and this first link connects this grounding assembly; This at least part of second radiant body is parallel to this first paragraph portion of this first radiant body, by this this second radiant body this first radiant body that is coupled; The 3rd radiant body connects this second radiant body, and wherein, the 3rd radiant body has one the 3rd free end, and the 3rd free end is towards this first radiant body, and the 3rd radiant body and this first radiant body are coupled by this.
In embodiment of the present utility model, the first radiant body is for carry high frequency the first frequency range and low frequency the first frequency range.The second radiant body is for carry high frequency the second frequency range.The 3rd radiant body is for carry high frequency the 3rd frequency range and low frequency the second frequency range.This at least part of second radiant body is parallel to this first radiant body side by side, by this this second radiant body this first radiant body (first mode) that is coupled.The 3rd radiant body has one the 3rd free end, and the 3rd free end is towards this first radiant body, by this 3rd radiant body and this first radiant body be coupled (second mode).By the combination of above-mentioned a plurality of different frequency ranges and the bimodal combination of this first, second mode, can reach the effect of wideband transmit.
The antenna of the utility model embodiment is contained the frequency ranges such as 704MHz～960MHz and 1710MHz～2690MHz in voltage standing wave ratio lower than substandard effective frequency range of 3, therefore the antenna of the utility model embodiment can meet the bandwidth demand of LTE technology really, and takes into account low cost and small size etc. advantage simultaneously.
Accompanying drawing explanation
Fig. 1 shows the antenna of the utility model embodiment.
Fig. 2 shows the antenna of an alternate embodiment of the present utility model.
Fig. 3 shows the antenna of another alternate embodiment of the present utility model.
Fig. 4 shows the signal transmission effect of the antenna of the utility model embodiment.
Primary clustering symbol description:
1,1', 1 " antenna
10 first radiant bodies
11 first paragraph portions
12 second segment portions
13 first free ends
14 first links
15 kinks
20 second radiant bodies
21 the 3rd sections of portions
22 the 4th sections of portions
23 second free ends
24 second links
30 the 3rd radiant bodies
31 the 5th sections of portions
32 the 6th sections of portions
33 the 7th sections of portions
34 the 3rd free ends
35 the 3rd links
40 grounding assemblies
θ angle
P1 current path
P2 current path
L length
D1 the first spacing
D2 distance
D3 the second spacing
F signal source
Embodiment
With reference to Fig. 1, the antenna 1 that it shows the first embodiment of the present utility model, comprises one first radiant body 10, one second radiant body 20, one the 3rd radiant body 30, a grounding assembly 40.This first radiant body 10 connects this grounding assembly 40.The second radiant body 20 connects the 3rd radiant body 30.Signal source F is to the second radiant body 20 and the 3rd radiant body 30 FD feeds.
In embodiment of the present utility model, the first radiant body is for carry high frequency the first frequency range and low frequency the first frequency range.The second radiant body is for carry high frequency the second frequency range.The 3rd radiant body is for carry high frequency the 3rd frequency range and low frequency the second frequency range.This at least part of second radiant body 20 is parallel to this first radiant body 10, by this these the second radiant body 20 these first radiant bodies 10 (first mode) of coupling.The 3rd radiant body 30 has one the 3rd free end 34, the three free ends 34 towards this first radiant body 10, by this 3rd radiant body 30 and this first radiant body 10 be coupled (second mode).By the combination of above-mentioned a plurality of different frequency ranges and the bimodal combination of this first, second mode, can reach the effect of wideband transmit.
With reference to Fig. 1, this first radiant body 10 comprises a first paragraph portion 11 (extending along directions X) and a second segment portion 12, this first paragraph portion 11 connects this second segment portion 12, this first paragraph portion 11 has one first free end 13, this second segment portion 12 has one first link 14, and this first link 14 connects this grounding assembly 40.In one embodiment, this second segment portion 12 has a kink 15, so that impedance matching to be provided.
With reference to Fig. 1, this second radiant body 20 comprises one the 3rd section of portion 21 (extension of edge-directions X) and one the 4th section of portion 22, the 3rd section of portion 21 comprises one second free end 23 and one second link 24, the 3rd section of portion 21 connects 22, the four sections of portions of the 4th section of portion 22 at this second link 24 and connects the 3rd radiant body 30.
In this embodiment, the 3rd section of portion 21 is parallel to this first paragraph portion 11 of this first radiant body 10, and these the second radiant body 20 these first radiant bodies 10 of coupling are to provide this first mode by this.One first spacing d1 is formed between this first paragraph portion 11 and the 3rd section of portion 21, and in one embodiment, d1 is approximately between 0.2mm～2mm for this first spacing.The length L of the 3rd section of portion 21, its position and length can affect the frequency of coupling.Therefore, can adjust on demand.
Between the 3rd section of portion 21 and the 4th section of portion 22, be formed with an angle theta, this angle theta is between 0 degree～180 degree, and for example, 135 spend.With reference to Fig. 2, it shows the antenna 1' of an alternate embodiment of the present utility model, and wherein, this angle theta between the 3rd section of portion 21 and the 4th section of portion 22 is 90 degree.
With reference to Fig. 1, in this embodiment, this radiant body 10 comprises one first low-frequency current path (total length of path P1 and path P 2 in Fig. 1), distance d2 between this second link 24 and this first free end 13 be about this first radiant body 10 length 1/3rd, coupling effect between this second radiant body 20 of capable of regulating and this first radiant body 10 by this, and reach required bandwidth (coupling position can be adjusted frequency).Angle theta between the 3rd section of portion 21 and the 4th section of portion 22 can appropriateness be adjusted, so that the position sign of the 3rd section of portion 21 closes, states design.The 3rd section of portion 21 and the 4th section of portion 22 also have the structure of bending.
With reference to Fig. 1, in this embodiment, the 3rd radiant body 30 is roughly U font.The 3rd radiant body comprises one the 5th section of portion 31 (extending along directions X), one the 6th section of portion 32 (extending along Y-direction) and one the 7th section of portion 33 (extension of edge-directions X), the 5th section of portion 31 and the 7th section of portion 33 connect respectively the two ends of the 6th section of portion 32, the other end of the 5th section of portion 31 connects this second radiant body 20, the 7th section of portion 33 comprises the 3rd free end 34 and one the 3rd link 35, the 3rd link 34 connects 32, the seven sections of portions 33 of the 6th section of portion and extends towards this first radiant body 10 from the 3rd link 34.
In an alternate embodiment, the 3rd radiant body 30 can be w font or other shapes, or can there be more bending in the 5th section of portion 31.
In this embodiment, the 7th section of portion 33 extends on same straight line with this first paragraph portion 11.The 3rd free end 34 is relative with this first free end 13, and the 3rd radiant body 30 is coupled to provide this second mode with this first radiant body 10 by this.In one embodiment, one second spacing d3 between the 3rd free end 34 and this first free end 13 is approximately between 0.2mm～5mm.
With reference to Fig. 3, it shows the antenna 1'' of an alternate embodiment of the present utility model, and wherein, this first free end 13 and the 3rd free end 34 bending slightly downwards, can further reduce whole antenna volume by this.
With reference to Fig. 4, it shows the signal transmission effect (voltage standing wave ratio) of the antenna of the utility model embodiment, as shown in Figure 4, the antenna of the utility model embodiment is contained the frequency ranges such as 704MHz～960MHz and 1710MHz～2690MHz in voltage standing wave ratio lower than substandard effective frequency range of 3, therefore the antenna of the utility model embodiment can meet the bandwidth demand of LTE technology really, and takes into account low cost and small size etc. advantage simultaneously.
Although the utility model with concrete preferred embodiment openly as above; yet it is not in order to limit the utility model; any those skilled in the art; in the situation that not departing from spirit and scope of the present utility model; still can do a little change and retouching, therefore protection range of the present utility model should be as the criterion depending on the scope person of defining of appending claims.
Claims (10)
1. an antenna, this antenna comprises:
One grounding assembly;
One first radiant body, is characterized in that, this first radiant body comprises a first paragraph portion and a second segment portion, this first paragraph portion connects this second segment portion, this first paragraph portion has one first free end, and this second segment portion has one first link, and this first link connects this grounding assembly;
One second radiant body, wherein, at least part of this second radiant body is parallel to this first paragraph portion of this first radiant body, by this this second radiant body this first radiant body that is coupled;
One the 3rd radiant body, the 3rd radiant body connects this second radiant body, and wherein, the 3rd radiant body has one the 3rd free end, and the 3rd free end is towards this first radiant body, and the 3rd radiant body and this first radiant body are coupled by this.
2. antenna as claimed in claim 1, it is characterized in that, this second radiant body comprises one the 3rd section of portion and one the 4th section of portion, the 3rd section of portion comprises one second free end and one second link, the 3rd section of portion connects the 4th section of portion at this second link, the 4th section of portion connects the 3rd radiant body, and the 3rd section of portion is parallel to this first paragraph portion of this first radiant body.
3. antenna as claimed in claim 2, is characterized in that, between this first paragraph portion and the 3rd section of portion, has one first spacing, and this first spacing is between 0.2mm～2mm.
4. antenna as claimed in claim 2, is characterized in that, between the 3rd section of portion and the 4th section of portion, is formed with an angle, and this angle is between 0 degree～180 degree.
5. antenna as claimed in claim 2, is characterized in that, this first radiant body and this second radiant body comprise one first low-frequency current path, the distance between this second link and this first free end be about this first radiant body length 1/3rd.
6. antenna as claimed in claim 2, is characterized in that, the 3rd radiant body is roughly U font.
7. antenna as claimed in claim 6, it is characterized in that, the 3rd radiant body comprises one the 5th section of portion, one the 6th section of portion and one the 7th section of portion, the 5th section of portion and the 7th section of portion connect respectively the two ends of the 6th section of portion, the other end of the 5th section of portion connects this second radiant body, the 7th section of portion comprises the 3rd free end and one the 3rd link, and the 3rd link connects the 6th section of portion, and the 7th section of portion extends towards this first radiant body from the 3rd link.
8. antenna as claimed in claim 7, is characterized in that, the 7th section of portion and this first paragraph portion extend on same straight line.
9. antenna as claimed in claim 8, is characterized in that, the 3rd free end is relative with this first free end.
10. antenna as claimed in claim 9, is characterized in that, between the 3rd free end and this first free end, has one second spacing, and this second spacing is between 0.2mm～5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197574.8U CN203774464U (en) | 2014-04-22 | 2014-04-22 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420197574.8U CN203774464U (en) | 2014-04-22 | 2014-04-22 | Antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203774464U true CN203774464U (en) | 2014-08-13 |
Family
ID=51291618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420197574.8U Expired - Fee Related CN203774464U (en) | 2014-04-22 | 2014-04-22 | Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203774464U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864589A (en) * | 2019-11-27 | 2021-05-28 | 和硕联合科技股份有限公司 | Antenna structure and communication device |
| CN112864608A (en) * | 2019-11-28 | 2021-05-28 | 广达电脑股份有限公司 | Antenna structure |
-
2014
- 2014-04-22 CN CN201420197574.8U patent/CN203774464U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112864589A (en) * | 2019-11-27 | 2021-05-28 | 和硕联合科技股份有限公司 | Antenna structure and communication device |
| CN112864589B (en) * | 2019-11-27 | 2023-12-22 | 和硕联合科技股份有限公司 | Antenna structure and communication device |
| CN112864608A (en) * | 2019-11-28 | 2021-05-28 | 广达电脑股份有限公司 | Antenna structure |
| CN112864608B (en) * | 2019-11-28 | 2023-12-12 | 广达电脑股份有限公司 | Antenna structure |
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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 |
Granted publication date: 20140813 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |