CN102610915A

CN102610915A - Antenna

Info

Publication number: CN102610915A
Application number: CN2011100260452A
Authority: CN
Inventors: 戴隆盛
Original assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Foxconn Kunshan Computer Connector Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-01-25
Filing date: 2011-01-25
Publication date: 2012-07-25
Anticipated expiration: 2031-01-25
Also published as: CN102610915B

Abstract

The invention discloses an antenna which comprises an antenna body and a metal foil, wherein the antenna body comprises a first radiation unit and a second radiation unit, the first radiation unit and the second radiation unit are formed into an opening, a size-adjustable groove is correspondingly formed on the metal foil, the opening is communicated with the groove, and the impedance matching degree of the antenna is adjusted through adjusting the size of the groove.

Description

Antenna

[technical field]

The relevant a kind of antenna of the present invention relates in particular to the antenna that a kind of small-sized adjustable impedance is mated.

[background technology]

Portable electric appts (for example notebook computer) usually utilizes antenna to realize wireless data transmission.But antenna receives the influence of its environment in whole system very big, functionally also can be received very big influence because of the difference of background condition so the antenna of same structure produces in different notebook computers.Therefore, in different notebook computers, the Antenna Design of identical excitation principle must be finely tuned and can be had normal function.(Planar Inverted-F Antenna PIFA) is a kind of small size antenna that is usually used in mobile communication terminal to planar inverted " F " type antenna.Its characteristics are that size is little, and are in light weight, can effectively reduce occupation space and manufacturing cost, are easy to realize double frequency or multifrequency.Another very important feature be that it has horizontal polarization and perpendicular polarization concurrently, be applicable to the place that electromagnetic environment is comparatively complicated.General antenna structure comprises Department of Radiation, connecting portion and grounding parts, but previous antenna is difficult for regulating the impedance matching of antenna.

So, be necessary to propose a kind of new antenna structure to solve said problem.

[summary of the invention]

The purpose of this invention is to provide a kind of antenna, it has the structure of adjustable impedance coupling.

For realizing said purpose; Antenna of the present invention can adopt following technical scheme: a kind of antenna; It comprises antenna body and metal forming, and said antenna body comprises first radiating element and second radiating element, and first radiating element and second radiating element form an opening; The also corresponding groove that forms a scalable on metal forming, said opening, groove communicate.

Compared with prior art, the present invention has the following advantages: form the groove of a scalable at grounding parts, regulate the effect of Antenna Impedance Matching through the size of adjustment groove.

[description of drawings]

Fig. 1 is the three-dimensional combination figure of antenna of the present invention.

Fig. 2 is the unit assembly drawing of antenna of the present invention.

Fig. 3 is a three-dimensional exploded view shown in Figure 1.

Fig. 4 is the three-dimensional exploded view of another angle shown in Figure 3.

Fig. 5 is the three-dimensional exploded view of another angle shown in Figure 4.

Fig. 6 is the voltage standing wave ratio figure of antenna of the present invention.

[embodiment]

Referring to figs. 1 through shown in Figure 5, antenna 100 of the present invention comprises antenna body 1, plastic stent 2 and metal forming 3.

Antenna body 1 comprises first radiating element 11 and second radiating element 12; Wherein first radiating element 11 comprises along first Department of Radiation 110 of longitudinally extension and second Department of Radiation 111 that extends along longitudinally; Second Department of Radiation 111 is vertical with plane, first Department of Radiation, 110 place, and second Department of Radiation, 111 to the first Departments of Radiation 110 are short; A junction 13 connects first Department of Radiation 110 and second Department of Radiation 111; Second radiating element 12 comprises radiation arm 120, linking arm 121 and grounding parts 122, and wherein radiation arm 120 is to extend along first Department of Radiation, 110 place directions, and is provided with at interval with first Department of Radiation 110; Linking arm 121 extends along the horizontal direction perpendicular to radiation arm 120, and connects radiation arm 120 and grounding parts 122, and wherein grounding parts 122 extends along longitudinally; First Department of Radiation 110 works in the first lower frequency range, and second Department of Radiation 111 works in the second higher frequency range with radiation arm 120.

Connecting portion 13 comprises first linkage section 130, second linkage section 131 and the 3rd linkage section 132; Wherein first linkage section 130 connects first Department of Radiation 111 and second linkage section 131; Second linkage section, 131 to the first linkage sections 130 are narrower; First linkage section 130, the 3rd linkage section 132 extend along the direction perpendicular to first Department of Radiation 110, and second linkage section 131 is the L type, and second linkage section 131 and first linkage section 130, the 3rd linkage section 132 are vertical; The 3rd linkage section 132 connects second linkage section 131 and grounding parts 14, and wherein grounding parts 14 is provided with at interval with grounding parts 122 and forms an opening (not indicating).

Plastic stent 2 comprises a upper surface 20 and a rectangle breach 21, and its breach 21 is positioned at a side of opening; Antenna body 1 parcel plastic stent 2, the first Departments of Radiation 110, radiation arm plane, 120 place and grounding parts 14,122 place plane parallel, and be close to the side (sign) of plastic stent 2, grounding parts 14,122 parts are exposed to breach 21 outsides.

Metal forming 3 is the aluminium foil of pasting or Copper Foils that the one cutting forms, and it comprises the docking section 30 of extending along plane, first Department of Radiation, 110 place, and the main part 31 of plane, vertical first Department of Radiation, 110 place extension; Wherein grounding parts 3 forms a groove 32 corresponding with breach 21, and wherein groove 32 is to be formed by the cutting of metal forming 3 one, and its cross section is the L type and communicates with the breach 21 of plastic stent 2, docking section 31 and grounding parts 14,122 butts.

Claims

1. antenna; It comprises antenna body and metal forming; Said antenna body comprises first radiating element and second radiating element; First radiating element and second radiating element form an opening, it is characterized in that: the also corresponding groove that forms a scalable on metal forming, said opening, groove communicate.

2. antenna as claimed in claim 1 is characterized in that: the cross section of said groove is the L type, and is formed by said metal forming one cutting.

3. antenna as claimed in claim 2 is characterized in that: said first radiating element comprises first Department of Radiation and second Department of Radiation, and plane, second Department of Radiation place is vertical with first Department of Radiation, and second Department of Radiation is shorter than first Department of Radiation.

4. antenna as claimed in claim 3 is characterized in that: said second radiating element comprises radiation arm, linking arm and grounding parts, and wherein linking arm extends along the direction of vertical first Department of Radiation, and connects radiation arm and grounding parts.

5. antenna as claimed in claim 4 is characterized in that: the said radiation arm and first radiant section are liftoff to be connected in same plane, grounding parts plane, place and first Department of Radiation place plane parallel.

6. antenna as claimed in claim 5 is characterized in that: said opening is to form between the grounding parts by the grounding parts of first radiating element and second radiating element.

7. antenna as claimed in claim 6; It is characterized in that: said first radiating element also comprises connecting portion; It comprises first linkage section, second linkage section and the 3rd linkage section, and wherein second linkage section is the L type, and first linkage section connects first Department of Radiation and second connecting portion respectively.

8. antenna as claimed in claim 7 is characterized in that: said second Department of Radiation is by the second linkage section vertical extent, and vertical with plane, first Department of Radiation place, and first linkage section, the 3rd linkage section extend along the direction of vertical first Department of Radiation.

9. antenna as claimed in claim 8 is characterized in that: said first radiating element and second radiating element are supported by a plastic stent, and plastic stent comprises a breach, and wherein breach communicates with said opening, groove.

10. antenna as claimed in claim 9 is characterized in that: said metal forming is the aluminium foil or the Copper Foil of one cutting, comprises docking section parallel with first Department of Radiation and the main part that extends along the direction of vertical butt joint portion, and dock with said grounding parts the docking section.