CN203826538U - Miniature multi-band mobile phone antenna - Google Patents
Miniature multi-band mobile phone antenna Download PDFInfo
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- CN203826538U CN203826538U CN201420213664.1U CN201420213664U CN203826538U CN 203826538 U CN203826538 U CN 203826538U CN 201420213664 U CN201420213664 U CN 201420213664U CN 203826538 U CN203826538 U CN 203826538U
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Abstract
The utility model discloses a miniature multi-band mobile phone antenna, and aims to provide a planar monopole mobile phone antenna which is small in size, easy to process, low in cost and capable of meeting a requirement of multi-frequency realization and meeting requirements of frequency bands of GSM850/900/1800/1900, UMTS and LTE2300/2500. The antenna comprises a dielectric plate, a grounding plate and a radiation metal sheet group, wherein the radiation metal sheet group is directly printed at the upper surface of the dielectric plate, inverted L-shaped radiation metal sheets feed directly, a bending radiation metal sheet group, which is grounded directly, is divided into two branches after being folded for several times, and multiple frequency bands can be covered through coupling between the directly-feeding inverted L-shaped radiation metal sheets and the grounding radiation metal sheet group, thereby having a very large bandwidth, and solving a problem of miniaturization and multi-frequency realization of an existing mobile phone antenna. In addition, the miniature multi-band mobile phone antenna does not need to load a lumped element or a special substrate material. The antenna disclosed by the utility model is applicable to 2G/3G/4G mobile phones.
Description
Technical field
The utility model belongs to antenna technical field, is specifically related to a kind of antenna for mobile phone of Miniaturized multiband.
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 is that to overcome existing antenna technology corresponding frequency band few, the defect that volume is larger, provide a kind of volume little, with roomy, 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: proposed a kind of Miniaturized multiband antenna for mobile phone, it comprises dielectric-slab, ground plate and radiation sheet metal group, described radiation sheet metal group is fitted in the upper surface of dielectric-slab, and ground plate is positioned at the lower surface of dielectric-slab; Described radiation sheet metal group comprises the first sheet metal of inverted L-shaped, the second sheet metal, the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th sheet metal, the 8th sheet metal, the 9th sheet metal, the 12 sheet metal, the 13 sheet metal, the 14 sheet metal, the 15 upright metallic sheet that are connected in turn, and the 9th sheet metal, the tenth sheet metal, the 11 sheet metal that are connected in turn; The second described sheet metal, the 3rd sheet metal form an inverted L-shaped, parallel with the first radiation sheet metal, the second described sheet metal, the 4th sheet metal, the 6th sheet metal, the 8th sheet metal, the tenth sheet metal, the 12 sheet metal, the 14 sheet metal parallel, the 3rd described sheet metal, the 5th sheet metal, the 7th sheet metal, the 9th sheet metal, the 11 sheet metal, the 13 sheet metal, the 15 upright metallic sheet parallel, and the 15 described upright metallic sheet and the plane at dielectric-slab place are perpendicular.
Miniaturized multiband antenna for mobile phone in the utility model has covered GSM850/900/1800/1900, UMTS, LTE2300/2500 totally 7 frequency ranges simultaneously; The first sheet metal of inverted L-shaped mainly produces time high-frequency resonant; The second sheet metal being connected in turn, the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th sheet metal, the 8th sheet metal, the 9th sheet metal, the 12 sheet metal, the 13 sheet metal, the 14 sheet metal, the 15 upright metallic sheet produce low-frequency resonant, and covering frequency range is 818-983MHz; The second sheet metal, the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal, the 7th sheet metal, the 8th sheet metal, the 9th sheet metal, the tenth sheet metal, the 11 sheet metal mainly produce high-frequency resonant, covering frequency range is 1625-3135MHz, their couplings each other can reduce the corresponding antenna size of resonance frequency, thereby have realized multifrequency and the miniaturization of antenna.
Wherein, the 15 upright metallic sheet is connected with the top edge of the 13 sheet metal, is orthogonal to the plane at dielectric-slab place, and vertical height is 3mm, 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 the first sheet metal is 10.5mm, gap spacing between the first sheet metal and the second sheet metal is 10mm, gap spacing between the first sheet metal and the 8th sheet metal is 1mm, gap spacing between the first sheet metal and the 9th sheet metal is 0.5mm, the 3rd sheet metal, the 4th sheet metal, the 5th sheet metal, the 6th sheet metal and the 7th sheet metal form a compact S shape, and the gap spacing between them is 0.5mm, and the 11 outstanding sheet metal length is 20mm.
Size between dielectric-slab of the present utility model, ground plate and radiation sheet metal group is all to adjust and to obtain optimal value depending on concrete applied environment.
Compared with prior art, the beneficial effects of the utility model are, on the one hand, can in less space, obtain a plurality of frequency ranges, can meet the demand of existing 2G/3G/4G mobile phone, and there is larger bandwidth, simple in structure, be convenient to carry out the adjustment of frequency spectrum and bandwidth, solved the broadband difficult problem of present antenna for mobile phone miniaturized multifrequencyization; On the other hand, do not need use the dielectric-slab of special material and load lamped element, thereby there is easy processing and be easy to the features such as realization, adapt 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-slab, 2, ground plate, 3, radiation sheet metal group, the 31, first sheet metal, the 32, second sheet metal, 33, the 3rd sheet metal, the 34, the 4th sheet metal, the 35, the 5th sheet metal, 36, the 6th sheet metal, the 37, the 7th sheet metal, the 38, the 8th sheet metal, 39, the 9th sheet metal, the 42, the 12 sheet metal, the 43, the 13 sheet metal, 44, the 14 sheet metal, the 45, the 15 upright metallic sheet.
Embodiment
Below by specific embodiment, also by reference to the accompanying drawings the utility model is described in further detail.
Embodiment
A kind of Miniaturized multiband antenna for mobile phone, as Fig. 1, radiation sheet metal group 3 comprises the first sheet metal 31 of inverted L-shaped, the second sheet metal 32, the 3rd sheet metal 33, the 4th sheet metal 34, the 5th sheet metal 35, the 6th sheet metal 36, the 7th sheet metal 37, the 8th sheet metal 38, the 9th sheet metal the 39, the 12 sheet metal the 42, the 13 sheet metal the 43, the 14 sheet metal the 44, the 15 upright metallic sheet 45 that are connected in turn, and the 9th sheet metal 39, the tenth sheet metal the 40, the 11 sheet metal 41 that are connected in turn; Described the second sheet metal 32, the 3rd sheet metal 33 form an inverted L-shaped, parallel with the first radiation sheet metal 31, described the second sheet metal 32, the 4th sheet metal 34, the 6th sheet metal 36, the 8th sheet metal 38, the tenth sheet metal the 40, the 12 sheet metal the 42, the 14 sheet metal 44 parallel, and described the 3rd sheet metal 33, the 5th sheet metal 35, the 7th sheet metal 37, the 9th sheet metal the 39, the 11 sheet metal the 41, the 13 sheet metal the 43, the 15 upright metallic sheet 45 parallel.The height of the first described sheet metal 31 is 10.5mm, gap spacing between the first sheet metal 31 and the second sheet metal 32 is 10mm, gap spacing between the first sheet metal 31 and the 8th sheet metal 38 is 1mm, gap spacing between the first sheet metal 31 and the 9th sheet metal 39 is 0.5mm, the 3rd sheet metal 33, the 4th sheet metal 34, the 5th sheet metal 35, the 6th sheet metal 36 and the 7th sheet metal 37 form a compact serpentine, gap spacing between them is 0.5mm, and the 11 outstanding sheet metal 41 length are 20mm.As shown in Figure 2, a kind of Miniaturized multiband antenna for mobile phone comprises dielectric-slab 1, ground plate 2 and radiation sheet metal group 3, and described radiation sheet metal group 3 is fitted in the upper surface of dielectric-slab 1, and ground plate 2 is positioned at the lower surface of dielectric-slab 1; Described the 15 upright metallic sheet 45 intersects vertically with the upper surface of dielectric-slab 1, and vertical height is 3mm, has not only effectively saved the shared space of antenna, and raising to a certain degree the bandwidth of antenna.As shown in Figure 3, ground plate 2 is positioned at the lower surface of dielectric-slab 1, and radiation sheet metal group 3 ground plate is below hollowed out, and is not a complete rectangular configuration.
Wherein the first sheet metal 31 of inverted L-shaped mainly produces time high-frequency resonant; The second sheet metal 32, the 3rd sheet metal 33, the 4th sheet metal 34, the 5th sheet metal 35, the 6th sheet metal 36, the 7th sheet metal 37, the 8th sheet metal 38, the 9th sheet metal the 39, the 12 sheet metal the 42, the 13 sheet metal the 43, the 14 sheet metal the 44, the 15 upright metallic sheet 45 that are connected in turn produce low-frequency resonant; The second sheet metal 32, the 3rd sheet metal 33, the 4th sheet metal 34, the 5th sheet metal 35, the 6th sheet metal 36, the 7th sheet metal 37, the 8th sheet metal 38, the 9th sheet metal 39, the main high-frequency resonant that produces of the tenth sheet metal the 40, the 11 sheet metal 41.As shown in Figure 4, by the gap width between control radiation sheet metal (being the size of controlling coupling amount), further adjust the impedance matching of high band impedance matching and low-frequency range, make it finally can effectively cover low-frequency range 818-983MHz and high band 1625-3135MHz, realize very large bandwidth, cover GSM850/900/1800/1900, UMTS, LTE2300/2500 totally 7 frequency ranges simultaneously, met the requirement of 2G/3G/4G frequency range.The specification of whole antenna is 15mm * 30mm * 3mm, and volume is very little, simple in structure, is widely used in intelligent movable cell phone apparatus, has very large market value.
Claims (4)
1. a Miniaturized multiband antenna for mobile phone, it is characterized in that, it comprises dielectric-slab (1), ground plate (2) and radiation sheet metal group (3), described radiation sheet metal group (3) is fitted in the upper surface of dielectric-slab (1), and ground plate (2) is positioned at the lower surface of dielectric-slab (1), described radiation sheet metal group (3) comprises first sheet metal (31) of inverted L-shaped, the second sheet metal (32) being connected in turn, the 3rd sheet metal (33), the 4th sheet metal (34), the 5th sheet metal (35), the 6th sheet metal (36), the 7th sheet metal (37), the 8th sheet metal (38), the 9th sheet metal (39), the 12 sheet metal (42), the 13 sheet metal (43), the 14 sheet metal (44), the 15 upright metallic sheet (45), and the 9th sheet metal (39) being connected in turn, the tenth sheet metal (40), the 11 sheet metal (41), described the second sheet metal (32), the 3rd sheet metal (33) forms an inverted L-shaped, parallel with the first radiation sheet metal (31), described the second sheet metal (32), the 4th sheet metal (34), the 6th sheet metal (36), the 8th sheet metal (38), the tenth sheet metal (40), the 12 sheet metal (42), the 14 sheet metal (44) parallels, the 3rd described sheet metal (33), the 5th sheet metal (35), the 7th sheet metal (37), the 9th sheet metal (39), the 11 sheet metal (41), the 13 sheet metal (43), the 15 upright metallic sheet (45) parallels, the 15 described upright metallic sheet (45) is perpendicular with the plane at dielectric-slab (1) place.
2. Miniaturized multiband antenna for mobile phone according to claim 1, is characterized in that, described Miniaturized multiband antenna for mobile phone has covered GSM850/900/1800/1900, UMTS, LTE2300/2500 totally 7 frequency ranges simultaneously; The main time high-frequency resonant that produces of the first sheet metal (31) of inverted L-shaped; The second sheet metal (32) being connected in turn, the 3rd sheet metal (33), the 4th sheet metal (34), the 5th sheet metal (35), the 6th sheet metal (36), the 7th sheet metal (37), the 8th sheet metal (38), the 9th sheet metal (39), the 12 sheet metal (42), the 13 sheet metal (43), the 14 sheet metal (44), the 15 upright metallic sheet (45) produce low-frequency resonant, and covering frequency range is 818-983MHz; The second sheet metal (32), the 3rd sheet metal (33), the 4th sheet metal (34), the 5th sheet metal (35), the 6th sheet metal (36), the 7th sheet metal (37), the 8th sheet metal (38), the 9th sheet metal (39), the tenth sheet metal (40), the 11 sheet metal (41) mainly produce high-frequency resonant, and covering frequency range is 1625-3135MHz.
3. Miniaturized multiband antenna for mobile phone according to claim 1, is characterized in that, the vertical height of the 15 described upright metallic sheet (45) is 3mm.
4. Miniaturized multiband antenna for mobile phone according to claim 1, it is characterized in that, the height of described the first sheet metal (31) is 10.5mm, gap spacing between the first sheet metal (31) and the second sheet metal (32) is 10mm, gap spacing between the first sheet metal (31) and the 8th sheet metal (38) is 1mm, gap spacing between the first sheet metal (31) and the 9th sheet metal (39) is 0.5mm, the 3rd sheet metal (33), the 4th sheet metal (34), the 5th sheet metal (35), the 6th sheet metal (36) and the 7th sheet metal (37) form a compact S shape, gap spacing between them is 0.5mm, the 11 outstanding sheet metal (41) length is 20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213664.1U CN203826538U (en) | 2014-04-29 | 2014-04-29 | Miniature multi-band mobile phone antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420213664.1U CN203826538U (en) | 2014-04-29 | 2014-04-29 | Miniature multi-band mobile phone antenna |
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| Publication Number | Publication Date |
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| CN203826538U true CN203826538U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420213664.1U Expired - Fee Related CN203826538U (en) | 2014-04-29 | 2014-04-29 | Miniature multi-band mobile phone antenna |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956562A (en) * | 2014-04-29 | 2014-07-30 | 中国计量学院 | Mini-type multi-band frequency mobile phone antenna |
| CN105140649A (en) * | 2015-07-27 | 2015-12-09 | 电子科技大学 | Multi-band antenna |
| CN104377427B (en) * | 2014-11-27 | 2017-01-04 | 成都安思科技有限公司 | Mobile phone GSM antenna |
| CN107302132A (en) * | 2017-05-23 | 2017-10-27 | 中国计量大学 | A kind of adjustable antenna for widening antenna band |
| CN108565542A (en) * | 2017-12-25 | 2018-09-21 | 惠州Tcl移动通信有限公司 | A kind of antenna assembly and terminal |
| CN109378586A (en) * | 2018-11-28 | 2019-02-22 | 英业达科技有限公司 | More feed antennas |
-
2014
- 2014-04-29 CN CN201420213664.1U patent/CN203826538U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103956562A (en) * | 2014-04-29 | 2014-07-30 | 中国计量学院 | Mini-type multi-band frequency mobile phone antenna |
| CN103956562B (en) * | 2014-04-29 | 2016-02-17 | 中国计量学院 | A kind of Miniaturized 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 |
| CN105140649A (en) * | 2015-07-27 | 2015-12-09 | 电子科技大学 | Multi-band antenna |
| CN105140649B (en) * | 2015-07-27 | 2017-11-17 | 电子科技大学 | A kind of multifrequency antenna |
| CN107302132A (en) * | 2017-05-23 | 2017-10-27 | 中国计量大学 | A kind of adjustable antenna for widening antenna band |
| CN108565542A (en) * | 2017-12-25 | 2018-09-21 | 惠州Tcl移动通信有限公司 | A kind of antenna assembly and terminal |
| US11374312B2 (en) | 2017-12-25 | 2022-06-28 | JRD Communication (Shenzhen) Ltd. | Antenna device and terminal |
| CN109378586A (en) * | 2018-11-28 | 2019-02-22 | 英业达科技有限公司 | More feed antennas |
| CN109378586B (en) * | 2018-11-28 | 2021-01-29 | 英业达科技有限公司 | Multi-feed antenna |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20140910 Termination date: 20190429 |
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| CF01 | Termination of patent right due to non-payment of annual fee |