CN206180099U - Miniaturized multifrequency section mobile terminal antenna - Google Patents

Abstract

The utility model discloses a miniaturized multifrequency section mobile terminal antenna, it includes primary radiation paster, radiation minor matters, power feeding terminal, earthing terminal, and the primary radiation paster is " T " shape of symmetry and includes level, vertical component, and power feeding terminal sets up in the vertical component lower extreme, the radiation minor matters are the strip shape of buckling, and the earthing terminal sets up in radiation minor matters one end, and the minor matters of being close to the earthing terminal partial of radiation minor matters are narrower than the direct width of other parts. The primary radiation paster is symmetry " T " shape and is used for covering high frequency, and the radiation minor matters of a shape of buckling are used for covering low frequency band, does two radiant section 's combination cover 0.82 1.00GHz, 1.64 3.29GHz, correspond the 2G3G4G frequency channel, the utility model discloses have the impedance bandwidth of broad and more working frequency band, simple structure, application scope broaden, just the utility model discloses compare easily and the radio frequency front end microwave integrated circuit integration, have the value of fine application.

Description

A kind of Miniaturized multiband mobile terminal antenna

Technical field

This utility model is related to mobile terminal antenna technical field, more particularly to a kind of Miniaturized multiband mobile terminal day Line.

Background technology

With the continuous development of mobile communication technology, mobile terminal also towards function is more and more intelligent, thickness more and more thinner, Support that the increasing direction of working frequency range is developed, and these trend all give mobile terminal（Such as mobile phone, panel computer）In day Line design proposes stern challenge.

Existing mobile terminal antenna has that band support is complete, structure is excessively complicated, volume is excessive causes required headroom The excessive problem in area, while will be various communication standards in the following quite a long time with the progressively covering of 4G networks （2G/3G/4G）The situation for coexisting；Therefore, the antenna in mobile terminal needs to support these working frequency range to meet call simultaneously With the requirement of high speed data transfer.

The support for developing too busy to get away Antenna Design in mobile terminal market, therefore design performance is excellent and small volume Antenna is also the vital task of different communication company and mobile terminal research and development department one.

Utility model content

The purpose of this utility model is to provide a kind of Miniaturized multiband mobile terminal for the deficiencies in the prior art Antenna, the Miniaturized multiband mobile terminal antenna small volume, simple structure, to cover frequency range complete and can simultaneously support 2G/3G/ 4G frequency ranges.

To reach above-mentioned purpose, this utility model is achieved through the following technical solutions.

A kind of Miniaturized multiband mobile terminal antenna, includes primary radiation paster, the spoke for being printed on medium substrate respectively Ray section, feed end, earth terminal；

Primary radiation paster includes horizontal component, vertical component, primary radiation patch in symmetrical "T"-shaped shape and primary radiation paster The horizontal component of piece, vertical component are integral type structure, the vertical component upper end of primary radiation paster and the level of primary radiation paster Part lower end connects, and feed end is arranged at the lower end of the vertical component of primary radiation paster；

Strip of the radiation minor matters in bending, earth terminal is arranged at one end of radiation minor matters, radiates the close ground connection of minor matters Direct narrow width of the minor matters of end part than other parts.

Wherein, the overbending direction of the radiation minor matters is the edge contraction along the primary radiation paster.

Wherein, the spacing between the radiation minor matters and the primary radiation paster is with the gap produced by radiation minor matters bending Width is identical.

Wherein, between the radiation minor matters and the primary radiation paster spacing and radiation minor matters bends produced seam Gap width is 1mm.

Wherein, the horizontal component length of the primary radiation paster be 28mm, vertical component length be 8mm, horizontal component with Vertical component width is identical and is 4mm.

Wherein, the minor matters width of the close described earth terminal part of the radiation minor matters is 1mm, and other minor matters width are identical And it is 2mm.

Wherein, the total length of the radiation minor matters is 105mm.

The beneficial effects of the utility model are：A kind of Miniaturized multiband mobile terminal antenna described in the utility model, It includes primary radiation paster, radiation minor matters, feed end, the earth terminal for being printed on medium substrate respectively；Primary radiation paster is in right The "T"-shaped shape and primary radiation paster for claiming includes horizontal component, vertical component, the horizontal component of primary radiation paster, vertical component For integral type structure, the vertical component upper end of primary radiation paster is connected with the horizontal component lower end of primary radiation paster, and feed end sets It is placed in the lower end of the vertical component of primary radiation paster；Strip of the radiation minor matters in bending, earth terminal is arranged at radiation minor matters One end, radiate minor matters close earth terminal part minor matters than other parts direct narrow width.Primary radiation paster dexterously sets Meter is saved in symmetrical "T"-shaped shape and for covering higher frequency around primary radiation paster and in the radiation branch for bending strip In covering low frequency band, combined covering 0.82-1.00GHz, 1.64-3.29GHz of two radiant sections, correspondence 2G/3G/4G frequencies Section；Compared to multiband aerial of the prior art, this utility model has wider impedance bandwidth and more working frequency range, It is simple structure, applied widely, and this utility model be easier it is integrated with radio-frequency front-end microwave integrated circuit, with good Using value.

Description of the drawings

This utility model is further detailed below with accompanying drawing, but the embodiment in accompanying drawing do not constitute it is right Any restriction of the present utility model.

Fig. 1 is structural representation of the present utility model.

Fig. 2 is parameter schematic diagram of the present utility model.

Fig. 3 is scheme of installation of the present utility model.

Fig. 4 is S11 curve charts of the present utility model.

Include in Fig. 1 to Fig. 3：

1 --- primary radiation paster 11 --- horizontal component

12 --- vertical components 2 --- radiate minor matters

3 --- feed end 4 --- earth terminals

5 --- earth plate 6 --- medium substrates.

Specific embodiment

This utility model is illustrated with reference to specific embodiment.

As shown in Figure 1 to Figure 3, a kind of Miniaturized multiband mobile terminal antenna, includes and be printed on respectively medium substrate 6 Primary radiation paster 1, radiation minor matters 2, feed end 3, earth terminal 4.

Wherein, primary radiation paster 1 is in symmetrical "T"-shaped shape and primary radiation paster 1 includes horizontal component 11, vertical component 12, the horizontal component 11 of primary radiation paster 1, vertical component 12 are integral type structure, the upper end of vertical component 12 of primary radiation paster 1 It is connected with the lower end of horizontal component 11 of primary radiation paster 1, feed end 3 is arranged at the lower end of the vertical component 12 of primary radiation paster 1.

Further, strip of the minor matters 2 in bending is radiated, earth terminal 4 is arranged at one end of radiation minor matters 2, radiation branch Direct narrow width of the minor matters of the part of close earth terminal 4 of section 2 than other parts.

Further, the overbending direction for radiating minor matters 2 is the edge contraction along primary radiation paster 1.

In addition, the spacing between radiation minor matters 2 and primary radiation paster 1 bends produced gap width with radiation minor matters 2 It is identical.

Additionally, the total length of radiation minor matters 2 is 105mm.

Need to be explained further, medium substrate of the present utility model 6 can be FR4 medium substrates, during installation, primary radiation paster 1st, radiating minor matters 2 can respectively be printed on the FR4 medium substrates front of 0.8mm, and the back side of medium substrate 6 is earth plate 5, this practicality New antenna is realized feed and is grounded by earth terminal 4 by feed end 3.

As shown in Fig. 2 this utility model can adopt following parameter designing, specially：L1=12mm、L2=13mm、L3= 4mm、L4=1mm、L5=2mm、W1=8mm、W2=4mm、W3=1mm、W4=2mm、W5=15mm。

As shown in figure 4, there are two working frequency range in 0.6-3.5GHz frequency band ranges in this utility model：0.82- 1.00GHz, 1.64-3.29GHz, correspondence covers GSM850824-894MHz, GSM900880-960MHz, DCS1710- 1880MHz、PCS1850-1990MHz、UMTS1920-2170MHz、LTE23002300-2400MHz、LTE2500(2500- 2690MHz) frequency range.

Summary situation understands, by said structure design, compared to multiband aerial of the prior art, this practicality It is new with wider impedance bandwidth and more working frequency range, it is simple structure, applied widely, and this utility model compares appearance Easy and radio-frequency front-end microwave integrated circuit is integrated, the value with good application.

Above content is only preferred embodiment of the present utility model, for one of ordinary skill in the art, according to this reality With new thought, will change in specific embodiments and applications, this specification content should not be construed as To restriction of the present utility model.

Claims (7)

1. a kind of Miniaturized multiband mobile terminal antenna, it is characterised in that：Include and be printed on respectively medium substrate（6）Master Radiation patch（1）, radiation minor matters（2）, feed end（3）, earth terminal（4）；

Primary radiation paster（1）In symmetrical "T"-shaped shape and primary radiation paster（1）Include horizontal component（11）, vertical component （12）, primary radiation paster（1）Horizontal component（11）, vertical component（12）For integral type structure, primary radiation paster（1）It is vertical Part（12）Upper end and primary radiation paster（1）Horizontal component（11）Lower end connects, feed end（3）It is arranged at primary radiation paster （1）Vertical component（12）Lower end；

Radiation minor matters（2）Strip in bending, earth terminal（4）It is arranged at radiation minor matters（2）One end, radiate minor matters（2）'s Near earth terminal（4）Direct narrow width of the partial minor matters than other parts.

2. a kind of Miniaturized multiband mobile terminal antenna according to claim 1, it is characterised in that：The radiation minor matters （2）Overbending direction be along the primary radiation paster（1）An edge contraction.

3. a kind of Miniaturized multiband mobile terminal antenna according to claim 1, it is characterised in that：The radiation minor matters （2）With the primary radiation paster（1）Between spacing with radiating minor matters（2）Gap width produced by bending is identical.

4. a kind of Miniaturized multiband mobile terminal antenna according to claim 3, it is characterised in that：The radiation minor matters （2）With the primary radiation paster（1）Between spacing and radiation minor matters（2）Gap width produced by bending is 1mm.

5. a kind of Miniaturized multiband mobile terminal antenna according to claim 1, it is characterised in that：The primary radiation patch Piece（1）Horizontal component（11）Length is 28mm, vertical component（12）Length is 8mm, horizontal component（11）With vertical component （12）Width is identical and is 4mm.

6. a kind of Miniaturized multiband mobile terminal antenna according to claim 1, it is characterised in that：The radiation minor matters （2）Close described earth terminal（4）Partial minor matters width is 1mm, and other minor matters width are identical and are 2mm.

7. a kind of Miniaturized multiband mobile terminal antenna according to claim 1, it is characterised in that：The radiation minor matters （2）Total length be 105mm.