CN101378150A - Antenna module - Google Patents
Antenna module Download PDFInfo
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- CN101378150A CN101378150A CNA2007101481901A CN200710148190A CN101378150A CN 101378150 A CN101378150 A CN 101378150A CN A2007101481901 A CNA2007101481901 A CN A2007101481901A CN 200710148190 A CN200710148190 A CN 200710148190A CN 101378150 A CN101378150 A CN 101378150A
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- radiation
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Abstract
The invention relates to an antenna module, comprising a first radiating conductor, a second radiating conductor, a short circuit element, a grounding surface, a feeding line and a spurious radiating conductor; wherein, one side of the second radiating conductor is adjacent to the first radiating conductor with a gap; one end part of the short circuit element is connected to the second radiating conductor and the other end part thereof is connected with the grounding surface; the feeding line comprises a central conductor and an outer conductor, wherein, the central conductor is connected to the first radiating conductor and the outer conductor is connected with the grounding surface; the spurious radiating conductor is connected to the second radiating conductor and comprises a spurious radiating fin and a first radiating element and a second radiating element which are arranged at two sides thereof; and the tail ends of the first radiating element and the second radiating element are parallelly adjacent with a gap.
Description
Technical field
The present invention relates to a kind of Anneta module, and be particularly related to a kind of Anneta module with parasitic radiation conductor in order to generation low-frequency resonance mode.
Background technology
With the mobile phone is example, tradition resonance type dipole antenna or plate aerial optimum resonance length are 1/2nd of wavelength (λ), if frequency range conversion wavelength length with 900MHz, then can't actual design in mobile phone inside, inverted F shaped antenna can overcome this difficult problem, inverted F shaped antenna is mainly reached quarter-wave optimum resonance path by increasing short bar (Shorting Pin) mode, makes antenna be placed in mobile phone inside smoothly.Yet after increasing short bar, impedance variation around it will be comparatively violent, to make the frequency range scope relative narrower of antenna, thereby derive the design of short circuit metal plate (Shorting Plate) and short circuit wall (Shorting Wall), thereby obtain better frequency range effect.While is in response to the demand of Multi-Frequency Signaling System, can cut at the conductive surface of inverted F shaped antenna, with originally complete resonance path, be divided into a plurality of resonance path, or carry out resonance path by the conductor extension mode and prolong, or utilize and set up configuration modes such as wafer electric capacity, inductance, reach the effect of frequency division and multifrequency.
Because the high and low frequency frequency range of double-frequency inverted F-type antenna required comparatively strict in the past, then there are many structures of improving to propose, see also Fig. 1, schematic perspective view for known double-frequency inverted F-type antenna, comprise: a ground plane 13, a T shape radiation metal element 14, a short circuit hardware 15, one coaxial transmission line 16 and are adjusted sheet metal 17, have a short dot 131 and an earth point 132 near its ground plane 13 top side edge 133; T shape radiation metal element 14 is positioned near the top side edge 133 of ground plane 13, and comprises: one is roughly parallel to first radiant element 141 of ground plane 13; One second radiant element 142 extends towards first radiant element, 141 rightabouts; One the 3rd radiant element 143 is approximately perpendicular to first radiant element 141 and second radiant element 142, and the 3rd radiant element 143 comprises a load point 144; Short circuit hardware 15 is L shaped, between first radiant element 141 and ground plane 13; One center conductor 161 of coaxial transmission line 16 is connected to the load point 144 of the 3rd radiant element 143; Another earthing conductor 162 is connected to the earth point 132 of ground plane 13; Adjust sheet metal 17 and be electrically connected to second radiant element 142; The foregoing description is mainly by change adjusting length, width and the shape of sheet metal 17, and cooperate and second radiant element 142 be oppositely arranged the position, under the prerequisite that does not increase antenna configured in one piece size, can make low frequency bandwidth meet the requirements of transmission standard.
Yet the adjustment sheet metal 17 of this antenna is a C shape lamellar body, and must bend whole section sheet metal during adjustment can finely tune, and its adjustment program is carried out and is difficult for, and causes the transmitting bandwidth of its low-frequency band limited easily; In addition at length and the width fine-tuning mode of adjusting sheet metal 17, the bending accuracy is difficult for grasping, also must consider to adjust the position that is oppositely arranged of the sheet metal 17 and second radiant element 142 simultaneously, thereby the manufacture difficulty height of this antenna also is difficult to reach simultaneously the effect that it is declared.
Summary of the invention
The object of the present invention is to provide a kind of Anneta module, the parasitic radiation conductor is set up in utilization, thereby be easy to make and need not the second low-frequency resonance mode that complicated adjustment program can produce antenna system, improve the disappearance of known configurations low-frequency resonance mode frequency range deficiency, effectively improve the transmitting bandwidth of low-frequency band, antenna structure is formed simply simultaneously, and accuracy is grasped easily, is easy to a large amount of productions.
Another object of the present invention is to provide a kind of Anneta module, utilize first radiation component and second radiation component in the parasitic radiation conductor, terminal parallel next-door neighbour and distance one spacing with this two radiation component, thereby adjust the impedance matching of antenna system, and then the matching efficiency of raising antenna resonance mode, make its system have preferable impedance frequency range.
For reaching above-mentioned purpose, the present invention is a kind of Anneta module, comprises: first radiation conductor, second radiation conductor, short-circuit component, ground plane, feed-in line and parasitic radiation conductor.This first radiation conductor slightly is the L type and comprises a base; This second radiation conductor comprises a coupling part and an extension, the base of contiguous this first radiation conductor of this coupling part one side and distance one gap, and its opposite side connects this extension; One end of short-circuit component is connected in this extension and differs from an end that is connected with coupling part, and the other end is connected in ground plane; The feed-in line comprises a center conductor and an outer contact, and this center conductor is connected in first radiation conductor, and outer contact is connected in ground plane; This parasitic radiation conductor is connected in extension and differs from an end that is connected with coupling part, and comprise the parasitic radiation sheet and be arranged at first radiation component and second radiation component of its both sides, and the next-door neighbour terminal parallel to each other of this two radiation component and distance one spacing.
Anneta module through above-mentioned explanation setting, removing utilizes first radiation conductor to excite high-frequency resonance mode, and produce the first low-frequency resonance mode by extension and short-circuit component, in addition via the parasitic radiation conductor that is connected in this extension, use the second low-frequency resonance mode that produces antenna system, improve the transmitting bandwidth scope of low-frequency band through this, and the parasitic radiation sheet both sides in the parasitic radiation conductor are provided with first radiation component and second radiation component, this radiation component adopts metal wire or sheet metal form, and the terminal parallel next-door neighbour of its first radiation component and second radiation component is provided with and distance one spacing, utilize this spacing to produce capacitance coupling effect, through this impedance matching efficient that increases antenna low-frequency resonance mode is set, makes it have better impedance frequency range.
In order further to set forth the present invention, the spy has enumerated following preferred embodiment.
Description of drawings
Fig. 1 is the schematic perspective view of known double-frequency inverted F antenna;
Fig. 2 is the schematic perspective view of first embodiment of the invention;
Fig. 3 loses the measurement data schematic diagram for returning of first embodiment of the invention;
Fig. 4 is the schematic perspective view of second embodiment of the invention;
Fig. 5 amplifies schematic perspective view for the part that first embodiment of the invention is applied to notebook computer.
[main element symbol description]
13-ground plane, 131-short dot
132-earth point, 133-top side edge
14-T shape radiation metal element, 141-the-radiant element
142-the second radiant element, 143-the three radiant element
144-load point, 15-short circuit hardware
16-coaxial transmission line, 161-center conductor
162-earthing conductor 17-adjustment sheet metal
21-the first radiation conductor, 211-base
22-the second radiation conductor, 221-coupling part
222-extension, 23-short-circuit component
24-ground plane, 25-feed-in line
251-center conductor, 252-internal insulating layer
253-outer contact, 254-external insulation
26-parasitic radiation conductor, 261-the-radiation component
262-the second radiation component, 263-parasitic radiation sheet
27-sheet metal, 3-notebook computer
31-side plate, 32-base plate
33-ground plane
Embodiment
See also Fig. 2, the schematic perspective view for the present invention's " Anneta module " first embodiment comprises: first radiation conductor 21, second radiation conductor 22, short-circuit component 23, ground plane 24, feed-in line 25 and parasitic radiation conductor 26.
First radiation conductor 21 is similar to L shaped and comprises a base 211; Second radiation conductor 22 comprises a coupling part 221 and an extension 222, the base 211 of contiguous this first radiation conductor 21 of these coupling part 221 1 sides and distance one gap, its opposite side is connected in this extension 222, and this coupling part 221 and extension 222 be vertical plane each other; Short-circuit component 23 approximate trapezoid, one end are connected in extension 222 and differ from an end that is connected with coupling part 221, and the other end is connected in ground plane 24; Feed-in line 25 is conveyed into the signal of telecommunication in the Anneta module, comprise a center conductor 251, an internal insulating layer 252, an outer contact 253 and an external insulation 254 in regular turn, this center conductor 251 is connected in first radiation conductor 21, outer contact 253 is connected in ground plane 24,252 of internal insulating layers are isolated the signal of telecommunication that center conductor 251 and outer contact 253 are transmitted, and avoid both mutual to each other interference effects; Parasitic radiation conductor 26 is connected in extension 222 and differs from an end that is connected with coupling part 221, comprise parasitic radiation sheet 263 and be arranged at first radiation component 261 and second radiation component 262 of its both sides, and the next-door neighbour terminal parallel to each other of this first radiation component 261 and second radiation component 262 and distance one spacing, and in the present embodiment, first radiation component 261 and second radiation component 262 are formed with metal wire.
In the present embodiment, the length on first radiation conductor, 21 bases 211 is about 19mm, and the length that is adjacent to base 211 is about 5mm and 1.5mm respectively, and wherein this 5mm is the peripheral width of first radiation conductor 21, and the length of the opposite side on base 211 is about 2mm; The gap width of the coupling part 221 and first radiation conductor 21 is about 0.5mm, and coupling part 221 length are about 26mm, and width is about 1.5mm, and extension 222 long limits are about 44mm, and minor face is about 5mm; Short-circuit component 23 short bases are about 2mm, and long base is about 4mm, and height is about 7mm; Ground plane 24 length are about 62mm, and width is about 1mm; Parasitic radiation sheet 263 length are about 42mm, and width is about 1mm, and first radiation component, 261 length are about 36mm, and second radiation component, 262 length are about 27mm.
The Anneta module that present embodiment is provided with removes and excites high-frequency resonance mode by first radiation conductor 21, and also will be coupled FD feed feed-in extension 222 and short-circuit component 23 produce the first low-frequency resonance mode.The parasitic radiation conductor 26 that is connected in this extension 222 is set simultaneously, thereby produce the second low-frequency resonance mode, through this frequency range scope that enlarges the low frequency operational frequency bands is set, and by first radiation component 261 of metal material and the high radiation transport properties of second radiation component 262, thereby improve the radiation conduction efficiency of Anneta module, by controlling the mode of first radiation component 261 and second radiation component, 262 configured length and width, thereby adjust the impedance matching of Anneta module, make it have preferable impedance variation, and has a more excellent impedance frequency range, the spacing of this first radiation component 261 and second radiation component, 262 terminal institute distances, produce capacitance coupling effect via this spacing, thereby increase the impedance matching efficient of the low-frequency resonance mode of Anneta module.
See also Fig. 3, return loss (Returnloss) measurement data schematic diagram for first embodiment of the invention, its antenna operation frequency returning loss and is being defined as-during the situation of 6dB, high frequency frequency range S1 is about 1080MHz (operational frequency range is contained 1570MHz to 2650MHz), this high frequency band frequency range scope contains GPS (1575MHz), DCS (1710～1880MHz), PCS (1850～1990MHz), UMTS (1920～2170MHz) and WLAN802.11b/g (system's frequency range of 2400～2500MHz), low frequency bandwidth S2 is about 200MHz (operational frequency range is contained 790MHz to 990MHz), this low-frequency band frequency range scope contains AMPS (824～894MHz) and GSM (system's frequency range of 880～960MHz), learn through this data declaration, the parasitic radiation conductor 26 of setting of the present invention is operated frequency range more widely with second radiation conductor, 22 synthetic low-frequency band scopes really, and its first radiation component 261 and second radiation component 262 also make Anneta module have the more excellent impedance frequency range of characteristic after being used to adjust impedance matching.
See also Fig. 4, schematic perspective view for the present invention's " Anneta module " second embodiment, this coupling part 221 and this first radiation conductor 21 folded gaps are serpentine shape, when the FD feed of first radiation conductor 21 when coupling effect is coupled to coupling part 221, prolong the electric coupling path and increase the electric coupling area by this serpentine shape gap, thereby improve electric coupling efficient.And this extension 222 also can be parallel to each other and in the same plane with coupling part 221, and first radiation component 261 is arranged at the adjacent position that extension 222 is connected with parasitic radiation sheet 263.First radiation component 261 and second radiation component 262 can adopt the sheet metal form, high radiation transport properties by metal material, thereby improve Anneta module radiation conduction efficiency, by controlling the mode of first radiation component 261 and second radiation component, 262 configured length and width, thereby adjust the impedance matching of Anneta module, make it have preferable impedance variation, and has a more excellent impedance frequency range, this first radiation component 261 and second radiation component, 262 ends next-door neighbour then parallel to each other and distance one spacing, with the generation capacitance coupling effect, thus the impedance matching efficient of increase Anneta module low-frequency resonance mode.
See also Fig. 5, schematic perspective view is amplified in the part that is applied to notebook computer 3 for first embodiment of the invention, this Anneta module is integrated in notebook computer 3 devices, this Anneta module is attached at side plate 31 surfaces of notebook computer 3, one sheet metal, 27 parts are covered on the ground plane 24 of Anneta module, the then complete base plate 32 that is covered on notebook computer 3 of these sheet metal 27 other parts, thus make the signal of the ground plane 24 of Anneta module conduct to the ground plane 33 of notebook computer 3 through sheet metal 27.And on reality was used, this sheet metal 27 can be tin-foil plate.
The parasitic radiation conductor 26 that the present invention is provided with is simple in structure by forming, first radiation component 261 and second radiation component 262 easily are set, can be integrated among the various electronic installations, the radiation component adjustment is easy simultaneously, be not subjected to the restriction in angle and space, through the frequency range scope of this control increase low frequency operational frequency bands, improve the disappearance of known low frequency bandwidth deficiency.
The present invention has met patent requirement; actual characteristics with novelty, creativeness and practicality; but embodiments of the invention are not in order to limit to scope of the present invention; various modifications and retouching that any those skilled in the art did; not breaking away under spirit of the present invention and the definition, all fall within the scope of protection of the present invention.
Claims (11)
1, a kind of Anneta module comprises:
First radiation conductor slightly is inverted L shape and comprises a base;
Second radiation conductor comprises a coupling part and an extension, the base of contiguous described first radiation conductor of described coupling part one side and distance one gap, and its opposite side is connected in described extension;
Short-circuit component, one end are connected in described extension and differ from an end that is connected with coupling part;
Ground plane is connected in the other end of described short-circuit component;
The feed-in line, described feed-in line comprises a center conductor and an outer contact, and described center conductor is connected in described first radiation conductor, and described outer contact is connected in described ground plane; And
The parasitic radiation conductor, it is connected in described extension and differs from an end that is connected with coupling part, comprise the parasitic radiation sheet and be arranged at first radiation component and second radiation component at its two ends, and the next-door neighbour terminal parallel to each other of described first radiation component and second radiation component and distance one spacing.
2, Anneta module as claimed in claim 1, wherein said coupling part and extending part are in same plane.
3, Anneta module as claimed in claim 1, wherein said coupling part and extending part are in vertical plane.
4, Anneta module as claimed in claim 1, wherein said gap are linearity.
5, Anneta module as claimed in claim 1, wherein said gap are serpentine shape.
6, Anneta module as claimed in claim 1, wherein said gap is in order to produce coupling effect.
7, Anneta module as claimed in claim 1, wherein said first radiation component and second radiation component are made of metal wire.
8, Anneta module as claimed in claim 1, wherein said first radiation component and second radiation component are made of sheet metal.
9, Anneta module as claimed in claim 1, wherein said first radiation component is made of metal wire, and second radiation component is made of sheet metal.
10, Anneta module as claimed in claim 1, wherein said first radiation component is made of sheet metal, and second radiation component is made of metal wire.
11, Anneta module as claimed in claim 1, wherein said spacing is in order to produce capacitance coupling effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101481901A CN101378150A (en) | 2007-08-28 | 2007-08-28 | Antenna module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101481901A CN101378150A (en) | 2007-08-28 | 2007-08-28 | Antenna module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101378150A true CN101378150A (en) | 2009-03-04 |
Family
ID=40421555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101481901A Pending CN101378150A (en) | 2007-08-28 | 2007-08-28 | Antenna module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101378150A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103259079A (en) * | 2012-02-21 | 2013-08-21 | 启碁科技股份有限公司 | Solid antenna and wireless communication device |
| CN104143685A (en) * | 2014-07-01 | 2014-11-12 | 泰兴市东盛电子器材厂 | Coupled feeding inverted F antenna |
| US9209515B2 (en) | 2012-02-08 | 2015-12-08 | Wistron Neweb Corporation | Three-dimensional antenna and a wireless communication apparatus provided with the same |
-
2007
- 2007-08-28 CN CNA2007101481901A patent/CN101378150A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9209515B2 (en) | 2012-02-08 | 2015-12-08 | Wistron Neweb Corporation | Three-dimensional antenna and a wireless communication apparatus provided with the same |
| CN103259079A (en) * | 2012-02-21 | 2013-08-21 | 启碁科技股份有限公司 | Solid antenna and wireless communication device |
| CN103259079B (en) * | 2012-02-21 | 2016-03-30 | 启碁科技股份有限公司 | Three-dimensional antenna and wireless communication apparatus |
| CN104143685A (en) * | 2014-07-01 | 2014-11-12 | 泰兴市东盛电子器材厂 | Coupled feeding inverted F antenna |
| CN104143685B (en) * | 2014-07-01 | 2017-02-15 | 泰兴市东盛电子器材厂 | Coupled feeding inverted F antenna |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20090304 |