CN101752674B

CN101752674B - Antenna assembly

Info

Publication number: CN101752674B
Application number: CN2008103058371A
Authority: CN
Inventors: 戴隆盛; 谷柏冈
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: 2008-11-28
Filing date: 2008-11-28
Publication date: 2012-11-28
Anticipated expiration: 2028-11-28
Also published as: CN101752674A

Abstract

The invention discloses an antenna assembly, which comprises grounding parts of a first side edge and a second side edge, a first antenna and a second antenna which are extended from the first side edge and the second side edge, wherein both the first antenna and the second antenna respectively comprise a bending connecting part on which an opening is formed, a radiating element extending upward from the end arm of the connecting part, and a feeder line; the openings of the connecting part of the first antenna and the second antenna are back to back and face toward two opposite directions; and the radiating element of the first antenna is positioned over the second side edge of the grounding part, and the radiating element of the second antenna is positioned over the second side edge.

Description

Antenna module

[technical field]

The invention relates to a kind of antenna module, especially refer to a kind of antenna module with improved syndeton.

[background technology]

The more and more miniaturization of the built-in aerial of modern electronic equipment, more and more polynary change.Planar inverted-F antenna (PIFA) has been designed to the needs that different shape adapts to the electronic equipment internal space as a kind of electronic equipment internal antenna structure commonly used.And because the restriction of the task performance of antenna own tends to dispose many antennas to satisfy the needs of electronic equipment to wireless signal transmitting-receiving effect in the electronic equipment.And because the restriction in electronic equipment internal space, how the designer becomes an antenna with many aerial integrations, so that antenna is more small-sized, more saves the space.In the prior art, for example the TaiWan, China patent discloses TW200719522 number, No. 200721593, TW and TaiWan, China patent announcement TW I240450 number or the like and has all disclosed two aerial integrations are installed and the antenna structure of processing procedure with convenient on same grounding parts.But the connecting portion of the antenna that discloses in the above patent all is positioned at same plane, and the length that makes connecting portion on plane space, need occupy is longer, and the antenna that forms based on such connecting portion required length on plane space is also longer.And the electronic equipment internal space is of all kinds, makes the connecting portion structure of plane formula often can not adapt to the requirement in some electronic equipment internal spaces.Therefore be necessary to provide a kind of antenna module to improve the deficiency of prior art.

[summary of the invention]

The object of the present invention is to provide the antenna module of a small size stereochemical structure.

To achieve these goals, the present invention adopts following technical scheme: a kind of antenna module comprises grounding parts with first side and second side and respectively from extended first antenna in first side and second side and second antenna of grounding parts; Wherein first antenna and second antenna all comprise the inflection formula and connecting portion that form an opening, support arm extends upward out from the connecting portion end radiating element and feeder line; The opening of the connecting portion of first antenna and second antenna is opposing and towards opposite both direction; The radiating element of first antenna is positioned at the top of grounding parts second side, and the radiating element of second antenna is positioned at the top of first side.

Compared to prior art, antenna module of the present invention has the following advantages: adopted three-dimensional connecting portion structure, thereby made the length of antenna module reduce.

[description of drawings]

Fig. 1 is the stereogram of antenna module of the present invention.

Fig. 2 is the view of another angle of Fig. 1.

Fig. 3 is the voltage standing wave ratio figure of antenna module of the present invention.

[embodiment]

With reference to Fig. 1, shown in Figure 2, the antenna module 1 of preferred embodiment of the present invention is installed on electronic equipment internal, and it is made of one piece by a sheet metal.Antenna module 1 comprises grounding parts 300 and extended first antenna 100 and second antenna 200 from grounding parts 300 both sides respectively.

Grounding parts 300 comprises first side 301, second side 302 and extended first, second installation portion 310,320 from grounding parts 300 two ends respectively.The shape of first, second installation portion 310,320 is according to the spatial design of electronic equipment internal.

First radiating element 120 and first feeder line 130 that first antenna 100 comprises first connecting portion 110 of from grounding parts 300 first sides 301 extended inflection formulas, extends upward out from the last support arm of first connecting portion 110.First connecting portion 110 comprises from the first side of grounding parts 300 301 upwardly extending first support arms 1102, from second support arm 1104 of first support arm, 1102 extended U types.Second support arm 1104 makes it comprise the initial arm (not label) that is positioned at 301 tops, grounding parts 300 first sides, the linking arm (not label) that is positioned at the last support arm (not label) of 302 tops, second side and connects initial arm and last support arm perpendicular to grounding parts 300 and across grounding parts 300.The U type structure of second support arm 1104 forms the opening (not label) towards first direction.First radiating element 120 comprises first Department of Radiation 1202 of plane formula L type and second Department of Radiation 1204 of three-dimensional L type; First Department of Radiation 1202 and second Department of Radiation 1204 extend upward out from two places of first connecting portion, 110 last support arms respectively, make first, second Department of Radiation 1202,1204 be positioned at the top of grounding parts 300 second sides 302.First Department of Radiation 1202 is between second Department of Radiation 1204 and first connecting portion 110 and the distance certain at interval with second Department of Radiation 1204.Second Department of Radiation 1204 comprises from second support arm 1104 of first connecting portion 110 terminal extended perpendicular to first radiation arm 12042 of grounding parts 300 and second radiation arm 12044 that is parallel to grounding parts 300 that extends towards second direction from first radiation arm 12042; Second direction and first direction are opposite, and the end of first Department of Radiation 1202 is also towards second direction.First feeder line 130 comprises that the end that is connected in first connecting portion 110 forms first heart yearn 1302 of one first feedback point P and first braid 1304 that is connected in first earth point 304 of grounding parts 300.A first feedback point P is positioned on the junction of second Department of Radiation 1204 and first connecting portion 110, and electric current is put P feed-in first antenna 100, the first Departments of Radiation 1,202 first higher frequency band that resonates out from first feedback, second Department of Radiation 1204, the second lower frequency band that resonates out.

Second antenna 200 comprises second connecting portion 210 of from grounding parts 300 second sides 302 extended inflection formulas, from extended second radiating element 220 of the last support arm of second connecting portion 210 and second feeder line 230.Second connecting portion 210 is identical with first connecting portion, 110 structures; Make the initial arm (not label) of second connecting portion 210 be positioned at 302 tops, second side of grounding parts 300 but second connecting portion 210 extends from the second side 302 of grounding parts 300, and last support arm (not label) is positioned at opening that top and its U type structure of first side 301 form towards second direction.Second radiating element 220 comprises the 3rd Department of Radiation 2202 of the plane formula L type that extends upward out from second connecting portion, 210 last support arms and the 4th Department of Radiation 2204 of three-dimensional L type.The all certain distance of the 3rd, the 4th Department of Radiation 2202,2204 wherein, and the 3rd Department of Radiation 2202 terminal near than the 4th Department of Radiation 2204 distances second connecting portion 210 with the space from end of second connecting portion 210.The 3rd Department of Radiation 2202 is between the 4th Department of Radiation 2204 and second connecting portion 210 and the distance certain at interval with the 4th Department of Radiation 2204.The 4th Department of Radiation 2204 comprises that the end that the last support arm from second connecting portion 210 is connected with linking arm is upwardly extending perpendicular to the 3rd radiation arm 22042 of grounding parts 300 and the 4th radiation arm 22044 that is parallel to grounding parts 300 that extends to second direction from the 3rd radiation arm 22042.The end of the 3rd Department of Radiation 2202 is also towards second direction.Second feeder line 230 comprises that the end that is connected in second connecting portion 210 forms second heart yearn 2302 of second feedback point Q and second braid 2304 that is connected in second earth point 306 of grounding parts 300.The tie point of the 3rd Department of Radiation 2202, the 4th Department of Radiation 2204 and second connecting portion 210 and second a feedback point Q keep at a certain distance away; Electric current is from second feedback point Q feed-in, second antenna 200; The 3rd Department of Radiation 2202 the 3rd higher frequency band that resonates out, the 4th Department of Radiation 2204 the 4th lower frequency band that resonates out.

With reference to shown in Figure 3, the working band that the voltage standing wave ratio figure of antenna module 1 of the present invention demonstrates first antenna 100 and second antenna 200 has all been contained 2.3-2.7GHz and 5.1-5.85GHz, and first antenna 100 and second antenna 200 have tangible complementation.First antenna 100 high frequency performance better and second antenna 200 the low frequency performance better.

Claims

1. antenna module; It comprises grounding parts, first antenna and second antenna; Said grounding parts has first side and second side; It is characterized in that: said first antenna and second antenna extend from the first side and the second side of grounding parts respectively; And all comprise the inflection formula and connecting portion that form an opening, support arm extends upward out from the connecting portion end radiating element and feeder line, first antenna is opposing and identical towards opposite both direction and shape with the opening of the connecting portion of second antenna, and first, second connecting portion extends upward from first side, the second side of grounding parts respectively; And the support arm that comprises a U type; The linking arm that said U type support arm forms initial arm, last support arm and connects initial arm and last support arm perpendicular to grounding parts, the radiating element of first antenna is positioned at the top of grounding parts second side, and the radiating element of second antenna is positioned at the top of first side; The radiating element of said first antenna comprises first Department of Radiation of a plane formula L type that extends upward out from the last support arm of the U of first connecting portion type support arm respectively disconnected from each other and second Department of Radiation of a three-dimensional L type, and the end of two Departments of Radiation is all towards second direction.

2. antenna module as claimed in claim 1 is characterized in that: the end of said radiating element is all towards same direction.

3. antenna module as claimed in claim 1 is characterized in that: the opening of said first connecting portion is towards first direction, and the opening of second connecting portion is towards the second direction opposite with first direction.

4. antenna module as claimed in claim 1; It is characterized in that: the radiating element of said second antenna comprises the 3rd Department of Radiation of a plane formula L type that extends upward out from the last support arm of second connecting portion respectively disconnected from each other and the 4th Department of Radiation of a three-dimensional L type, and the end of two Departments of Radiation is all towards second direction.

5. antenna module as claimed in claim 4; It is characterized in that: said first Department of Radiation extends from the end of first connecting portion; Between second Department of Radiation and first connecting portion and the at interval certain distance of second Department of Radiation; The 3rd Department of Radiation extends from the terminal arm and the linking arm junction of the U of second connecting portion type structure; The 3rd Department of Radiation is between the 4th Department of Radiation and second connecting portion and the distance at interval certain with the 4th Department of Radiation, and the terminal distance of the 3rd Department of Radiation and second connecting portion is near than the distance of the 4th Department of Radiation and second connecting portion end.

6. antenna module as claimed in claim 1; It is characterized in that: the feeder line of said first, second antenna comprises heart yearn and braid respectively; Said each heart yearn is connected in the end of corresponding connecting portion, and each braid is connected in corresponding earth point on the grounding parts.

7. antenna module as claimed in claim 1 is characterized in that: said first, second antenna is all dual-band antenna, and working band is overlapping.