CN101459282A - Monopolar antenna and communication device applying the same - Google Patents
Monopolar antenna and communication device applying the same Download PDFInfo
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- CN101459282A CN101459282A CNA2007101971741A CN200710197174A CN101459282A CN 101459282 A CN101459282 A CN 101459282A CN A2007101971741 A CNA2007101971741 A CN A2007101971741A CN 200710197174 A CN200710197174 A CN 200710197174A CN 101459282 A CN101459282 A CN 101459282A
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- radiant body
- unipole antenna
- antenna
- strip parts
- circuit board
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Abstract
Disclosed are a unipole antenna and a communicator applied to the unipole antenna, wherein the communicator comprises a circuit board and the unipole antenna. The unipole antenna comprises a feed-in portion, a connecting portion, a first radiation body and a second radiation body, the feed-in portion is electrically connected to the circuit board, an acute angle is formed by the feed-in portion and the circuit board, the connecting portion extends out of the feed-in portion and is approximately perpendicular to the circuit board, the first radiation body extends out of the connecting portion, and the second radiation body also extends out of the connecting portion.
Description
Technical field
The present invention is about the communicator of a kind of unipole antenna and application thereof, particularly about the mobile communications device of three-dimensional unipole antenna of a kind of microminiaturization and application thereof.
Background technology
Concealed antenna is more and more popular and be applied in widely in the mobile communications device (for example mobile phone), and at present concealed antenna include at least planar inverted F-shape antenna (Planner Inverted F Antenna, PIFA) and two kinds of patterns of unipole antenna (Monopole Antenna).
Planar inverted F-shape antenna (PIFA) is arranged in the mobile communications device, must with the circuit board set vertical range of being separated by, and between planar inverted F-shape antenna and circuit board, other electronic components can not be set, yet because the volume of mobile communications device is very little usually, related meeting is restricted to antenna volume and aforesaid vertical range, makes planar inverted F-shape antenna all be subjected to significantly influencing in the usefulness of each side such as frequency range, radiation efficiency and gain.
Unipole antenna and planar inverted F-shape antenna are similar, its in mobile communications device must with the circuit board set distance of being separated by, only this both set a distance be the distance of horizontal direction.In addition, between unipole antenna and circuit board, equally other electronic components can not be set, that is to say a headroom district (Clearance Zone) must be set between unipole antenna and circuit board, and electronic component can not be set in this headroom district, to avoid that unipole antenna is caused bad influence.As a rule, more than 15mm, this is for the narrow and small inner space of mobile communications device at least in the needed headroom of unipole antenna district, and it has occupied sizable space length.
Summary of the invention
In view of this, the invention provides a kind of unipole antenna, only need the headroom district of 6.8mm, the headroom district required far beyond traditional unipole antenna is little, and other electronic component then can be arranged to be provided with in the additional space of saving, and perhaps can further dwindle the volume of mobile communications device.
Unipole antenna of the present invention comprises a feeding portion, a junction, one first radiant body and one second radiant body, wherein a feeding portion and a plane press from both sides an acute angle, connecting portion is extended by feeding portion, and haply perpendicular to above-mentioned plane, first radiant body is extended by connecting portion, and second radiant body is also extended by connecting portion.
In a wherein embodiment of the present invention, above-mentioned acute angle is approximately 30 °.
In another embodiment of the present invention, second radiant body comprises one first strip parts, and this first strip parts is parallel to first radiant body haply.
In another embodiment of the present invention, the about 1mm of first strip parts of first radiant body distance, second radiant body.
In another embodiment of the present invention, first radiant body is wide than first strip parts of second radiant body.
In another embodiment of the present invention, the width of first radiant body is approximately 2mm.
In another embodiment of the present invention, the width of first strip parts of second radiant body is approximately 0.8mm.
In another embodiment of the present invention, second radiant body also comprises one second strip parts, is extended towards feeding portion by first strip parts.
In another embodiment of the present invention, second strip parts of second radiant body is parallel to first radiant body haply.
In another embodiment of the present invention, the material of unipole antenna is a phosphor bronze.
The present invention provides a kind of communicator simultaneously, it comprises a circuit board and a unipole antenna, wherein unipole antenna comprises a feeding portion, a junction, one first radiant body and one second radiant body, feeding portion be electrically connected to circuit board and with circuit plate holder one acute angle, connecting portion is extended by feeding portion and haply perpendicular to circuit board, first radiant body is extended by connecting portion, and second radiant body is also extended by connecting portion.
In another embodiment of the present invention, above-mentioned acute angle is approximately 30 °.
In another embodiment of the present invention, second radiant body comprises one first strip parts, and first strip parts is parallel to first radiant body haply.
In another embodiment of the present invention, the about 1mm of first strip parts of first radiant body distance, second radiant body.
In another embodiment of the present invention, first radiant body is wide than first strip parts of second radiant body.
In another embodiment of the present invention, the width of first radiant body is approximately 2mm.
In another embodiment of the present invention, the width of first strip parts of second radiant body is approximately 0.8mm.
In another embodiment of the present invention, second radiant body also comprises one second strip parts, is extended towards feeding portion by first strip parts.
In another embodiment of the present invention, second strip parts of second radiant body is parallel to first radiant body haply.
In another embodiment of the present invention, this communicator also comprises an antenna pedestal, and unipole antenna is fixed on the antenna pedestal.
In another embodiment of the present invention, the material of antenna pedestal is plastics.
In another embodiment of the present invention, unipole antenna is fixed on the antenna pedestal in ultrasonic wave hot melt mode.
In another embodiment of the present invention, unipole antenna is arranged on the bottom of communicator.
In another embodiment of the present invention, circuit board distance communication device is the about 6.8mm in one side wherein.
In another embodiment of the present invention, this communicator also comprises a screw, and the feeding portion of unipole antenna is fixed on the circuit board.
In another embodiment of the present invention, the material of unipole antenna is a phosphor bronze.
The operation frequency range of above-mentioned unipole antenna can be contained 824-894MHz, 880-960MHz, 1710-1880MHz and four frequency ranges of 1850-1990MHz, after testing, find, this unipole antenna only needs the headroom district of 6.8mm, its headroom district required far beyond traditional unipole antenna is little, and the additional space of saving, then can arrange to be provided with other electronic component, perhaps can further dwindle the volume of mobile communications device.
In addition, above-mentioned unipole antenna can utilize phosphor bronze to make for material, and its stability of characteristics and with low cost on the plastic antennas seat, can effectively reduce the complexity in the whole mechanism through the ultrasonic heat blow.
In addition, the feeding portion of above-mentioned unipole antenna can utilize screw directly to be locked on the circuit board, and assembling is quick, simple and stability is high, strikes ground even mobile communications device drops accidentally, and unipole antenna also is difficult for getting loose from circuit board.
In addition, above-mentioned unipole antenna can be arranged on the bottom of mobile communications device, makes it away from conversation receiver (Receiver), can significantly reduce human body to the absorptivity of emittance (Specific AbsorptionRate, SAR).
For above-mentioned purpose of the present invention, feature and advantage can be become apparent, embodiment cited below particularly also cooperates institute's accompanying drawing to elaborate.
Description of drawings
Fig. 1 is for showing the back side of a mobile communications device according to the present invention;
Fig. 2 is the three-dimensional exploded view of the mobile communications device of Fig. 1;
Fig. 3 A is a plane graph of being observed unipole antenna by the x direction of Fig. 2;
Fig. 3 B is a plane graph of being observed unipole antenna by the y direction of Fig. 2;
Fig. 3 C is a plane graph of being observed unipole antenna by the z direction of Fig. 2.
The main element symbol description
20～mobile communications device, 22～circuit board
24～antenna pedestal, 26～unipole antenna
28～screw, 202～base
206～headroom district, 221～electronic component
223～electronic component, 261～feeding portion
262～connecting portion, 263～the first radiant bodies
264～the second radiant bodies, 2642～the first strip parts
2644～the second strip parts D1～distances
D2～distance W 1～width
W2～width θ
1～angle
Embodiment
Please consult Fig. 1 and Fig. 2 simultaneously, mobile communications device 20 (for example mobile phone) comprises a circuit board 22, a unipole antenna 26 and an antenna pedestal 24.Wherein, circuit board 22 is provided with a plurality of electronic components 221 and 223, and circuit board 22 (y direction) is in the horizontal direction gone up and the distance on the base 202 of communicator 20 is D1, so between the base 202 of circuit board 22 and communicator 20, form a headroom district 206, be used to be provided with antenna pedestal 24.In the present embodiment, unipole antenna 26 is a material with phosphor bronze (Phosphor Bronze), and 24 of antenna pedestals are made by plastics, and unipole antenna 26 is to utilize the mode of ultrasonic wave hot melt (Ultrasonic Heat Staking) to be fixed on the antenna pedestal 24.
The feeding portion 261 of unipole antenna 26 is electrically connected to the load point (not shown) of circuit board 22, and utilizes screw 28 to be locked.See also Fig. 3 A, circuit board 22 roughly can be regarded as being positioned at (dotted line signifier) on the horizontal plane, and has an angle theta between the horizontal plane at the feeding portion 261 of unipole antenna 26 and circuit board 22 places
1, in the present embodiment, this angle theta
1Being approximately 30 °, is an acute angle.
Please consult Fig. 2 again, connecting portion 262 connects feeding portion 261, first radiant body 263 and second radiant body 264 simultaneously, must notice that the bearing of trend of connecting portion 262 is haply perpendicular to circuit board 22.
First radiant body 263 is used to handle the high-frequency signal of 1710-1880MHz and 1850-1990MHz, sees also Fig. 3 B, and in the present embodiment, the width of first radiant body 263 is approximately 2mm.
Second radiant body 264 is length than first radiant body 263, be used to handle the low frequency signal of 824-894MHz and 880-960MHz, second radiant body 264 comprises one first strip parts 2642 and one second strip parts 2644, wherein first strip parts 2642 is extended by connecting portion 262 and is parallel to first radiant body 263 haply, second strip parts 2644 is extended towards feeding portion 261 by first strip parts 2642, shown in Fig. 3 C, distance D 2 is very little between first strip parts 2642 of first radiant body 263 and second radiant body 264, promote radiation efficiency to produce coupling effect, in the present embodiment, this distance D 2 is approximately 1mm.In addition, the width W 1 of first radiant body 263 is greater than the width W 2 of first strip parts 2642 of second radiant body 264, and in the present embodiment, the width W 1 of first radiant body 263 is approximately 2mm, and the width W 2 of first strip parts 2642 is approximately 0.8mm.
The invention provides the three-dimensional unipole antenna of a kind of microminiaturization, its operation frequency range can be contained 824-894MHz, 880-960MHz, 1710-1880MHz and four frequency ranges of 1850-1990MHz, after testing, find, this unipole antenna only needs the headroom district of 6.8mm, the headroom district required far beyond traditional unipole antenna is little, and other electronic component then can be arranged to be provided with in the additional space of saving, and perhaps can further dwindle the volume of mobile communications device.
In addition, unipole antenna of the present invention can utilize phosphor bronze to make for material, and its stability of characteristics and with low cost on plastic antennas seat 24, can effectively reduce the complexity in the whole mechanism through the ultrasonic heat blow.
In addition, the feeding portion 261 of unipole antenna 26 of the present invention can utilize screw 28 directly to be locked on the circuit board 22, assembling is quick, simple and stability is high, strikes ground even mobile communications device 20 drops accidentally, and unipole antenna 26 also is difficult for getting loose from circuit board 22.
In addition, unipole antenna 26 of the present invention can be arranged on the bottom of mobile communications device 20, makes it away from conversation receiver (Receiver), can significantly reduce human body to the absorptivity of emittance (SpecificAbsorption Rate, SAR).
Though the present invention with preferred embodiment openly as above; right its is not in order to limit the present invention; have in any its affiliated technical field and know the knowledgeable usually; without departing from the spirit and scope of the present invention; when can changing arbitrarily and retouching, so protection scope of the present invention is as the criterion when looking claims person of defining.
Claims (10)
1. unipole antenna comprises:
One feeding portion, and have an acute angle between the horizontal plane;
A junction is extended by this feeding portion, and haply perpendicular to this horizontal plane;
One first radiant body is extended by this connecting portion;
One second radiant body is extended by this connecting portion.
2. unipole antenna according to claim 1, wherein, this second radiant body comprises one first strip parts, wherein this first strip parts is parallel to this first radiant body haply, and this first radiant body is wide than this first strip parts.
3. unipole antenna according to claim 2, wherein, this second radiant body also comprises one second strip parts, is extended towards this feeding portion by this first strip parts, and is parallel to this first radiant body haply.
4. unipole antenna according to claim 1, wherein, the material of this unipole antenna is a phosphor bronze.
5. communicator comprises:
One circuit board;
One unipole antenna, comprise a feeding portion, a junction, one first radiant body and one second radiant body, wherein this feeding portion be electrically connected at this circuit board and and this circuit board between have an acute angle, this connecting portion is extended by this feeding portion and haply perpendicular to this circuit board, this first radiant body is extended by this connecting portion, and this second radiant body is also extended by this connecting portion.
6. communicator according to claim 5, wherein, this second radiant body comprises one first strip parts, wherein this first strip parts is parallel to this first radiant body haply, and this first radiant body is wide than this first strip parts.
7. communicator according to claim 6, wherein, this second radiant body also comprises one second strip parts, is extended towards this feeding portion by this first strip parts, and is parallel to this first radiant body haply.
8. communicator according to claim 5, it also comprises an antenna pedestal, wherein this unipole antenna is fixed on this antenna pedestal.
9. communicator according to claim 8, wherein, this unipole antenna is fixed on this antenna pedestal in ultrasonic wave hot melt mode.
10. communicator according to claim 11, it also comprises a screw, is fixed on this circuit board in order to the feeding portion with this unipole antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710197174.1A CN101459282B (en) | 2007-12-10 | 2007-12-10 | The communicator of unipole antenna and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710197174.1A CN101459282B (en) | 2007-12-10 | 2007-12-10 | The communicator of unipole antenna and application thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101459282A true CN101459282A (en) | 2009-06-17 |
| CN101459282B CN101459282B (en) | 2016-01-20 |
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ID=40769981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710197174.1A Expired - Fee Related CN101459282B (en) | 2007-12-10 | 2007-12-10 | The communicator of unipole antenna and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101459282B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241811A (en) * | 2013-06-17 | 2014-12-24 | 联想(北京)有限公司 | Built-in antenna and method used for forming built-in antenna |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517123Y (en) * | 2001-12-12 | 2002-10-16 | 富士康(昆山)电脑接插件有限公司 | Antenna |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1586133A1 (en) * | 2002-12-22 | 2005-10-19 | Fractus S.A. | Multi-band monopole antenna for a mobile communications device |
| US7444734B2 (en) * | 2003-12-09 | 2008-11-04 | International Business Machines Corporation | Apparatus and methods for constructing antennas using vias as radiating elements formed in a substrate |
-
2007
- 2007-12-10 CN CN200710197174.1A patent/CN101459282B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2517123Y (en) * | 2001-12-12 | 2002-10-16 | 富士康(昆山)电脑接插件有限公司 | Antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104241811A (en) * | 2013-06-17 | 2014-12-24 | 联想(北京)有限公司 | Built-in antenna and method used for forming built-in antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101459282B (en) | 2016-01-20 |
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Granted publication date: 20160120 Termination date: 20191210 |
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| CF01 | Termination of patent right due to non-payment of annual fee |