CN203932308U - A kind of ring T shape multiband antenna for mobile phone - Google Patents
A kind of ring T shape multiband antenna for mobile phone Download PDFInfo
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- CN203932308U CN203932308U CN201420212669.2U CN201420212669U CN203932308U CN 203932308 U CN203932308 U CN 203932308U CN 201420212669 U CN201420212669 U CN 201420212669U CN 203932308 U CN203932308 U CN 203932308U
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Abstract
The utility model discloses a kind of ring T shape multiband antenna for mobile phone, aim to provide a kind of processing simple in structure, easy, cost is low and can meets the sub-antenna for mobile phone of planar monopole of miniaturized multifrequency requirement, meet the requirement of 2G/3G/4G frequency range simultaneously.Antenna has comprised dielectric layer, grounded metal sheet, radiation sheet metal, wherein radiation sheet metal is directly printed on dielectric layer upper surface, the radiation sheet metal direct feed of T shape, around the T shape radiation sheet metal direct ground connection of sheet metal around, T shape radiation sheet metal and the coupling of ground loop between radiation sheet metal by direct feed can cover a plurality of frequency ranges, there is very large bandwidth, solved a difficult problem for present antenna for mobile phone miniaturized multifrequency, and the utility model structure is very simple, without loading lamped element and specific substrate material.This antenna is applicable to 2G/3G/4G ultra-thin smart handset.
Description
Technical field
The utility model belongs to antenna technical field, is specifically related to a kind of ring T shape multiband antenna for mobile phone.
Background technology
The radiofrequency signal power of radio transmitter output, is transported to transmitting antenna by feeder line, by antenna, with electromagnetic wave form, radiate, and after electromagnetic wave arrives acceptance point, reception antenna receiver radiation electromagnetic wave, and deliver to radio receiver by feeder line.As can be seen here, antenna can be regarded as one and realizes the transducer of changing mutually between radiofrequency signal and electromagnetic wave, is to transmit and receive an electromagnetic important wireless device, does not have antenna also just there is no radio communication.
In recent years, mobile communication terminal device---mobile phone becomes the fastest communication products of global evolution, and it is unmatch that its powerful growth momentum makes other electric consumers be difficult to.Raising along with mobile phone popularity rate, mobile phone becomes consumption electronic products transition by pure communication product because of function increase, the motivation that many consumers buy mobile phone is attracted by its function and design model mainly, but the variation of function and shape-designing, may cause changing or reducing the usefulness of wireless telecommunications, so just increased the difficulty of designing antenna.
The antenna for mobile phone overall dimension of day by day dwindling is just representing height and the space of having compressed antenna for antenna, and a good antenna of efficiency must have enough height and space to go to expand frequency band and efficiency, although the designer trends of antenna are more and more less, but still there is its physical restriction in the size of antenna itself, if the volume of antenna is under standard point, along with dwindling gradually of volume, its reception is tending to become weak equally more also, therefore, the miniaturization of antenna and multifrequencyization design are focus and the difficult point of current antenna for mobile phone research.
utility model content
The purpose of this utility model be overcome existing antenna technology volume large, cover the few defect of frequency range, provide a kind of volume little, simple in structure, be easy to manufacture and can meet the monopole antenna for mobile phone that 2G/3G/4G frequency range requires simultaneously.
The utility model is mainly solved by following proposal for above-mentioned technical problem: proposed a kind of ring T shape multiband antenna for mobile phone, it comprises dielectric layer, grounded metal sheet, radiation sheet metal, radiation sheet metal is directly printed on the upper surface of dielectric layer, and grounded metal sheet is positioned at the lower surface of dielectric layer; Described radiation sheet metal comprises the first sheet metal, the second sheet metal, the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th upright metallic sheet and the 8th sheet metal; Described the first sheet metal and the second sheet metal have formed T shape radiation sheet metal, the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th upright metallic sheet, the 8th sheet metal are connected in turn around T shape radiation sheet metal, and and there is certain gap between T shape radiation sheet metal, the 3rd sheet metal, the 5th sheet metal, the 7th upright metallic sheet are parallel with the first sheet metal respectively, the 4th sheet metal, the 6th sheet metal, the 8th sheet metal are parallel with the second sheet metal respectively, and the 7th upright metallic sheet is perpendicular to the plane at dielectric layer place.
Ring T shape multiband antenna for mobile phone in the utility model has been realized multifrequency and miniaturization, and the T shape radiation sheet metal part that wherein said the first sheet metal and the second sheet metal form is mainly to produce high-frequency resonant, and covering frequency range is 1560-2797MHz; The circle segment that the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th upright metallic sheet and the 8th sheet metal form mainly produces low-frequency resonant, covering frequency range is 849-968MHz, their couplings each other can reduce the corresponding antenna size of resonance frequency, thereby realized multifrequency and the miniaturization of antenna, realized all standing of 2G, 3G, 4G.
Wherein, the 7th upright metallic sheet is connected with the 6th sheet metal, the 8th sheet metal, and intersects vertically with the upper surface of dielectric-slab, and vertical height is 1mm, is mainly in order to save space, effectively utilizes the side structure of mobile phone, reaches the object of antenna miniaturization.
Concrete, the height of described T shape radiation sheet metal is 12mm, the length of the second sheet metal is 23mm, width is 3.5mm, distance between the first sheet metal and the 3rd sheet metal is 1.5mm, and the length of the 6th sheet metal is 28mm, and the length of the 8th outstanding sheet metal is 2mm.Between the first sheet metal and the 3rd sheet metal, there is gap; The second sheet metal has gap respectively and between the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th upright metallic sheet and the 8th sheet metal.
Size between dielectric-slab of the present utility model, ground plate and radiation sheet metal can be adjusted and obtain optimal value depending on concrete applied environment.
Compared with prior art, the beneficial effects of the utility model are, on the one hand, this antenna structure is simple, be convenient to carry out the adjustment of frequency spectrum and bandwidth, occupy space little, and a plurality of mobile phone frequency ranges have been obtained, can meet the demand of existing 2G/3G/4G mobile phone, solve a difficult problem for present antenna for mobile phone miniaturized multifrequency, on the other hand, this antenna does not need to use the dielectric layer of special material and loads lamped element, thereby there is easy processing, cost is low and be easy to the features such as realization, adapts to the trend of present cheapization of mobile phone, be applicable to batch production.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is further illustrated;
Fig. 1 is the face structural representation of overlooking of the present utility model;
Fig. 2 is side-looking face structural representation of the present utility model;
Fig. 3 looks face structural representation under of the present utility model;
Fig. 4 is S of the present utility model
11performance parameter curve;
In figure, 1, dielectric layer, 2, grounded metal sheet, the 3, first sheet metal, the 4, second sheet metal, the 5, the 3rd sheet metal, the 6, the 4th sheet metal, the 7, the 5th sheet metal, the 8, the 6th sheet metal, the 9, the 7th upright metallic sheet, the 10, the 8th sheet metal.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Embodiment
A ring T shape multiband antenna for mobile phone, as Fig. 1, radiation sheet metal comprises the first sheet metal 3, the second sheet metal 4, the 3rd sheet metal 5, the 4th sheet metal 6, the 5th sheet metal 7, the 6th sheet metal 8, the 7th upright metallic sheet 9 and the 8th sheet metal 10, described the first sheet metal 3 and the second sheet metal 4 have formed T shape radiation sheet metal, the 3rd sheet metal 5, the 4th sheet metal 6, the 5th sheet metal 7, the 6th sheet metal 8, the 7th upright metallic sheet 9, the 8th sheet metal 10 is connected in turn around T shape radiation sheet metal, and and there is certain gap between T shape radiation sheet metal, the 3rd sheet metal 5, the 5th sheet metal 7, the 7th upright metallic sheet 9 is parallel with the first sheet metal 3 respectively, the 4th sheet metal 6, the 6th sheet metal 8, the 8th sheet metal 10 is parallel with the second sheet metal 4 respectively, between the first described sheet metal 3 and the 3rd sheet metal 5, there is gap, the second sheet metal 4 has gap respectively and between the 4th sheet metal 6, the 5th sheet metal 7, the 6th sheet metal 8, the 7th upright metallic sheet 9 and the 8th sheet metal 10, the height of T shape radiation sheet metal is 12mm, the length of sheet metal 4 is 23mm, distance between the first sheet metal 3 and the 3rd sheet metal 5 is 1.5mm, and the length of the 8th outstanding sheet metal 10 is 2mm.As Fig. 2, radiation sheet metal is directly printed on the upper surface of dielectric layer 1, and grounded metal sheet 2 is positioned at the lower surface of dielectric layer 1, the 7th upright metallic sheet 9 intersects vertically with the upper surface of dielectric layer 1, vertical height is 1mm, in the situation that not affecting frequency band, has effectively saved the shared space of antenna.
As shown in Figure 3, grounded metal sheet 2 is positioned at the lower surface of dielectric layer 1, and the grounded metal sheet below radiation sheet metal is hollowed out, and is not a complete rectangular configuration.
Wherein, the Main Function of T shape radiation sheet metal is to produce high-frequency resonant, around the Main Function of sheet metal, is to produce low-frequency resonant.As shown in Figure 4, by controlling T shape radiation sheet metal and further adjusting the impedance matching of high band impedance matching and low-frequency range around the gap width between sheet metal (being the size of controlling coupling amount), make it finally can effectively cover low-frequency range 849-968MHz and high band 1560-2797MHz, thereby meet the requirement of 2G/3G/4G frequency range.The specification of whole antenna is 15mm * 28mm * 1mm, and volume is very little, simple in structure, and extensively applicable ultra-thin smart handset, has very large market value.
Claims (4)
1. a ring T shape multiband antenna for mobile phone, is characterized in that, it comprises dielectric layer (1), grounded metal sheet (2), radiation sheet metal, radiation sheet metal is directly printed on the upper surface of dielectric layer (1), and grounded metal sheet (2) is positioned at the lower surface of dielectric layer (1), described radiation sheet metal comprises the first sheet metal (3), the second sheet metal (4), the 3rd sheet metal (5), the 4th sheet metal (6), the 5th sheet metal (7), the 6th sheet metal (8), the 7th upright metallic sheet (9) and the 8th sheet metal (10), described the first sheet metal (3) and the second sheet metal (4) have formed T shape radiation sheet metal, the 3rd sheet metal (5), the 4th sheet metal (6), the 5th sheet metal (7), the 6th sheet metal (8), the 7th upright metallic sheet (9), the 8th sheet metal (10) is connected in turn around T shape radiation sheet metal, and and there is gap between T shape radiation sheet metal, the 3rd sheet metal (5), the 5th sheet metal (7), the 7th upright metallic sheet (9) is parallel with the first sheet metal (3) respectively, the 4th sheet metal (6), the 6th sheet metal (8), the 8th sheet metal (10) is parallel with the second sheet metal (4) respectively, the 7th upright metallic sheet (9) is perpendicular to the plane at dielectric layer (1) place.
2. ring T shape multiband antenna for mobile phone according to claim 1, is characterized in that, the T shape radiation sheet metal part Main Function of described radiation sheet metal is to produce high-frequency resonant, and scope is 1560-2797MHz; The Main Function of the circle segment of radiation sheet metal is to produce low-frequency resonant, and scope is 849-968MHz; Realize 2G, 3G, 4G all standing.
3. ring T shape multiband antenna for mobile phone according to claim 1, is characterized in that, the vertical height of the 7th described upright metallic sheet (9) is 1mm.
4. ring T shape multiband antenna for mobile phone according to claim 1, is characterized in that, between described the first sheet metal (3) and the 3rd sheet metal (5), has gap; The second sheet metal (4) has gap respectively and between the 4th sheet metal (6), the 5th sheet metal (7), the 6th sheet metal (8), the 7th upright metallic sheet (9) and the 8th sheet metal (10), the height of T shape radiation sheet metal is 12mm, the length of sheet metal 4 is 23mm, distance between the first sheet metal (3) and the 3rd sheet metal (5) is 1.5mm, and the length of the 8th outstanding sheet metal (10) is 2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212669.2U CN203932308U (en) | 2014-04-29 | 2014-04-29 | A kind of ring T shape multiband antenna for mobile phone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420212669.2U CN203932308U (en) | 2014-04-29 | 2014-04-29 | A kind of ring T shape multiband antenna for mobile phone |
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| Publication Number | Publication Date |
|---|---|
| CN203932308U true CN203932308U (en) | 2014-11-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420212669.2U Withdrawn - After Issue CN203932308U (en) | 2014-04-29 | 2014-04-29 | A kind of ring T shape multiband antenna for mobile phone |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985956A (en) * | 2014-04-29 | 2014-08-13 | 中国计量学院 | T shape surrounding type multi-frequency mobile phone antenna |
| CN106207399A (en) * | 2014-12-01 | 2016-12-07 | 纬创资通股份有限公司 | Antenna, broad-band antenna and electronic installation |
| CN104377427B (en) * | 2014-11-27 | 2017-01-04 | 成都安思科技有限公司 | Mobile phone GSM antenna |
-
2014
- 2014-04-29 CN CN201420212669.2U patent/CN203932308U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103985956A (en) * | 2014-04-29 | 2014-08-13 | 中国计量学院 | T shape surrounding type multi-frequency mobile phone antenna |
| CN103985956B (en) * | 2014-04-29 | 2016-04-13 | 中国计量学院 | A kind of ring T-shaped multiband antenna for mobile phone |
| CN104377427B (en) * | 2014-11-27 | 2017-01-04 | 成都安思科技有限公司 | Mobile phone GSM antenna |
| CN106207399A (en) * | 2014-12-01 | 2016-12-07 | 纬创资通股份有限公司 | Antenna, broad-band antenna and electronic installation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160413 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20141105 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |