CN101546866B - Antenna - Google Patents
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- CN101546866B CN101546866B CN2008100855979A CN200810085597A CN101546866B CN 101546866 B CN101546866 B CN 101546866B CN 2008100855979 A CN2008100855979 A CN 2008100855979A CN 200810085597 A CN200810085597 A CN 200810085597A CN 101546866 B CN101546866 B CN 101546866B
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- branch
- antenna
- coaxial cable
- heart yearn
- metal level
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Abstract
The invention discloses an antenna, which comprises a coaxial cable and a grounding element. In the invention, a core wire at one end of the coaxial cable is used as a radiating element of the antenna; the core wire is bent and/or overlapped in cooperation with the required antenna type to form the appropriate shape of the radiating element so as to provide the functions of an antenna signal feed-in part and an antenna radiation part; and a metal layer at one end of the coaxial cable and the grounding element are used for providing the function of signal grounding of the antenna so as to form the antenna of the required type at one end of the coaxial cable.
Description
Technical field
The present invention relates to a kind of antenna, relate in particular to a kind of antenna of processing by coaxial cable.
Background technology
Because use the wireless communication technology of electromagnetic wave transmission signal, having does not in the use need the wiring material, can reach the effect of linking up with remote-control device.Therefore have the advantage of being convenient to move, make and utilize the product category of wireless communication technology to grow with each passing day, for example mobile phone, mobile computer etc.And these products are owing to use electromagnetic wave transmission signal, and the antenna that therefore is used to receive and dispatch electromagnetic wave signal becomes necessary device.At present antenna mainly be divided into expose to the outer antenna of device with in be built in the antenna in the device, and owing to expose to the outer antenna of device, except influence the small product size size and attractive in appearance, also have to receive external force collision easily and bending, the shortcoming that fractures.Therefore the in-building type antenna has become a kind of trend.
It please is a kind of in-building type antenna of prior art with reference to Fig. 1.This antenna is a kind of inverted F shaped antenna, has aerial radiation portion 1, the earth element 2 relative at interval with this radiating antenna, is positioned between the two conductive connecting pin 3 and signal feed-in part 4.Conductive connecting pin 3 is connected an end to the earth element 2 of aerial radiation portions 1, with as lead pin.Signal feed-in part 4 is arranged at the centre position between the two ends of aerial radiation portion 1, receives the signal from holding wire 5 feed-ins.In the length of signal feed-in part 4 right portions, approximate quarter-wave in the aerial radiation portion 1.Therefore can send the electromagnetic wave of a CF (f=c/ λ), also can respond to the electromagnetic wave signal of this frequency, and the signal of induction is passed to holding wire 5 derivation via signal feed-in part 4.
The inverted F shaped antenna of prior art needs with aerial radiation portion 1 and the effect of earth element 2 as transmitting-receiving radiation signal and signal ground; Need simultaneously with two independent conductive connecting pins 3 arranged side by side and signal feed-in part 4 be used as leading with the purposes that receives FD feed; Cause member more various, on design cost, be difficult for descending.
Summary of the invention
Technical problem to be solved by this invention provides a kind of antenna, in order to simplify the complicated problem of inverted F shaped antenna member of prior art.
The antenna that the present invention disclosed includes coaxial cable and earth element.Coaxial cable includes heart yearn, insulating barrier and metal level.One end of heart yearn presents bending shape, and wherein the heart yearn of bending shape is distinguished into signal feed-in part and aerial radiation portion, by the signal feed-in part FD feed to aerial radiation portion, again by aerial radiation portion wireless transmission signal.It is online that insulating barrier is coated on core, and expose the heart yearn of bending shape.Metal layer covers is on insulating barrier, in order to as signal ground.Earth element connects and to be close to this metal level that heart yearn presents an end of bending shape, and with the extension as metal level, wherein earth element has extension, and extension connects aerial radiation portion, with as conductive connecting pin.
The antenna that the present invention disclosed; Except the heart yearn of coaxial cable is treated as the direct FD feed of signal feed-in part; And the heart yearn bending of coaxial cable reached the function of transmitting-receiving radiation signal with the alternate antenna Department of Radiation, on metal level, be connected with an earth element simultaneously, in order to extend as ground connection near bending heart yearn one end of coaxial cable; And earth element has an extension to connect aerial radiation portion, reaches the function of signal ground.The present invention utilizes the heart yearn of coaxial cable to be used as the radiant element of antenna; Include the function of signal feed-in part and aerial radiation portion; Simultaneously can cooperate the shape of required radiant element and bend and/or overlap; And then form the antenna of required type, and reduce the complexity of Antenna Design with the member of simplifying antenna, reduce cost simultaneously.
Describe the present invention below in conjunction with accompanying drawing and specific embodiment, but not as to qualification of the present invention.
Description of drawings
Fig. 1 is a kind of in-building type antenna sketch map of prior art;
Fig. 2 A is the first embodiment sketch map of antenna of the present invention;
Fig. 2 B is the first embodiment sketch map of antenna of the present invention;
Fig. 3 is the second embodiment sketch map of antenna of the present invention;
Fig. 4 is the 3rd embodiment sketch map of antenna of the present invention;
Fig. 5 is the 4th embodiment sketch map of antenna of the present invention;
Fig. 6 A is that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 2412MHz measures figure;
Fig. 6 B is that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 2437MHz measures figure;
Fig. 6 C is that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 2462MHz measures figure;
Fig. 6 D is that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 2412MHz measures figure;
Fig. 6 E is that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 2437MHz measures figure;
Fig. 6 F is that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 2462MHz measures figure;
Fig. 7 A is that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 4900MHz measures figure;
Fig. 7 B is that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 5150MHz measures figure;
Fig. 7 C is that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 5350MHz measures figure;
Fig. 7 D is that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 4900MHz measures figure;
Fig. 7 E is that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 5150MHz measures figure; And
Fig. 7 F is that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 5350MHz measures figure.
Wherein, Reference numeral:
| 1: aerial radiation portion | 2: earth element |
| 3: conductive connecting pin | 4: signal feed-in part |
| 5: holding wire | 21: coaxial cable |
| 22: earth element | 23: |
| 23a: |
23b: |
| 23c: the |
23d: the |
| 23e: the 5th branch | 24: insulating barrier |
| 25: metal level | 26: the insulation material |
| 27: the junction surface | 28: extension |
| 30: insert and put |
30a: go up sheet material |
| 30b: following sheet material | 31: groove |
| 100: antenna |
Embodiment
Please with reference to Fig. 2 A and Fig. 2 B, Fig. 2 A is the antenna first embodiment sketch map of the present invention.Fig. 2 B is another sketch map of antenna first embodiment of the present invention.Wherein antenna 100 includes coaxial cable 21 and earth element 22.
One end of heart yearn 23 can cooperate required antenna pattern and bend and/or overlap.Wherein, the heart yearn 23 of bending shape is distinguished into signal feed-in part and aerial radiation portion.By the signal feed-in part FD feed to aerial radiation portion, again by aerial radiation portion wireless transmission signal.
The heart yearn 23 of bending shape can be considered by first 23a of branch, second 23b of branch, the 3rd 23c of branch and the 4th 23d of branch to be formed.
The end of first 23a of branch is connected (that is, being extended by the heart yearns 23 in the coaxial cable 21) with coaxial cable 21 interior heart yearns 23, and the other end of first 23a of branch extends towards the direction away from coaxial cable 21.In this, first 23a of branch can be vertical each other with coaxial cable 21 haply.
The end of second 23b of branch is connected (that is, being extended away from an end of coaxial cable 21 by first 23a of branch) with first 23a of branch, and the other end of second 23b of branch extends towards the direction away from coaxial cable 21.In this, second 23b of branch can be parallel to each other with coaxial cable 21 haply, promptly perpendicular to first 23a of branch.
The end of the 3rd 23c of branch is connected (that is, being extended away from the end of first 23a of branch by second 23b of branch) with second 23b of branch, and the other end of the 3rd 23c of branch extends towards the direction away from coaxial cable 21.In this, the 3rd 23c of branch can be parallel to each other with first 23a of branch haply, promptly perpendicular to second 23b of branch.
The end of the 4th 23d of branch is connected (that is, being extended away from the end of second 23b of branch by the 3rd 23c of branch) with the 3rd 23c of branch, and the other end of the 4th 23d of branch extends towards the direction of coaxial cable 21.In this, the 4th 23d of branch can be parallel to each other with second 23b of branch haply, promptly perpendicular to the 3rd 23c of branch.
In this, first 23a of branch can be used as the signal feed-in part of antenna, and second 23b of branch, the 3rd 23c of branch and the 4th 23d of branch then can be used as the aerial radiation portion of antenna.
Insulating barrier 24 is coated on the heart yearn 23, and exposes the heart yearn 23 of bending shape, to keep being electrically insulated between exposed heart yearn 23 and other material.
Earth element 22 connects the metal level 25 that exposes, and promptly connects to be close to heart yearn 23 and to appear on the metal level 25 of an end of bending shape.In this, earth element 22 is in order to the extension as metal level 25.
Wherein, earth element 22 has a junction surface 27, and electrically connects with junction surface 27 and metal level 25.Junction surface 27 can around and be connected on the metal level 25, also can overlap is connected on the metal level 25.
Earth element 22 also has an extension 28, with as the conductive connecting pin that is connected between aerial radiation portion and the earth element 22.One end of extension 28 is connected on the earth element 22 (that is, being gone out by the Subject Extension of earth element 22), and the other end then extends and is connected to aerial radiation portion.In this, extension 28 can be parallel to each other with signal feed-in part haply, promptly perpendicular to aerial radiation portion.
The antenna 100 that the present invention disclosed directly bends signal feed-in part and aerial radiation portion as antenna 100 in order to the heart yearn 23 with coaxial cable 21, makes it have the function that the signal feed-in fed out and received and dispatched radiation signal.Simultaneously on metal level 25, be connected with earth element 22 near bending heart yearn 23 1 ends of coaxial cable 21; In order to extend as metal level 25 ground connection; And earth element 22 has extension 28 to connect aerial radiation portion; In order to be used as conductive connecting pin, make the signal in the aerial radiation portion be passed to earth element 22 via extension 28.
The present invention utilizes the heart yearn 23 of coaxial cable 21 to be used as the signal feed-in part and the aerial radiation portion of antenna 100; Simultaneously heart yearn 23 can cooperate the shape of required antenna and bends and/or overlap; And then form the antenna of required type; Reduce the complexity of Antenna Design with the member of simplifying antenna, reduce cost simultaneously.In this; According to antenna of the present invention; Can cooperate required antenna type (for example: inverted F shaped antenna etc.) and the bending and/or the heart yearn of overlapping coaxial cable forming suitable radiant element shape, and the metal level of utilization coaxial cable is to provide the signal ground of antenna.
Please with reference to Fig. 3, Fig. 3 is the antenna second embodiment sketch map of the present invention.The second embodiment of the invention and first embodiment device are identical, and its difference is that in antenna 100, the heart yearn 23 of bending shape also includes the 5th 23e of branch.Wherein, the end of the 5th 23e of branch is connected (that is, being extended away from the end of the 3rd 23c of branch by the 4th 23d of branch) with the 4th 23d of branch, and the other end of the 5th 23e of branch is connected on the metal level 25 of coaxial cable 21.In this, the 5th 23e of branch can be haply perpendicular to the 4th 23d of branch.
Please with reference to Fig. 4, Fig. 4 is antenna the 3rd an embodiment sketch map of the present invention.The third embodiment of the invention and first embodiment and second embodiment are identical.
In this embodiment, antenna 100 also includes and inserts and puts part 30.Insert and put part 30 and have last sheet material 30a and following sheet material 30b.Wherein, End and the junction surface 27 and the extension 28 of earth element 22 of coaxial cable 21 with heart yearn 23 of bending shape is folded between sheet material 30a and the following sheet material 30b; With the bending shape of fixing heart yearn 23 and keep being connected of junction surface 27 and metal level 25 and being connected of extension 28 and aerial radiation portion; Avoiding producing distortion and/or displacements with extension 28, and avoid producing distortion and/or displacement causes antenna 100 can't normally receive and dispatch radiation signal because of antenna member because of extruding or external force make the bending shape of heart yearn 23 and the junction surface 27 of earth element 22.
Please with reference to Fig. 5, Fig. 5 is antenna the 4th an embodiment sketch map of the present invention.Fourth embodiment of the invention and the 3rd embodiment device are identical; Have groove 31 on the inner surface of at least one among the last sheet material 30a that its difference is to insert and put part 30 and the following sheet material 30b, have an end and the junction surface 27 and the extension 28 of earth element 22 of coaxial cable 21 of the heart yearn 23 of bending shape in order to setting.In this, the shape of groove 31 corresponds to heart yearn 23, junction surface 27 and the extension 28 that the desire folder is established haply.In this embodiment; Through inserting and putting the junction surface 27 and extension 28 of an end and earth element 22 of coaxial cable 21 that part 30 fixedly has the heart yearn 23 of bending shape; Can avoid producing distortion and/or displacements with extension 28, and then can avoid producing distortion and/or displacement causes antenna 100 can't normally receive and dispatch radiation signal because of antenna member because of extruding or external force make heart yearn 23, junction surface 27.
In addition, insert and put part 30 earth element 22 reflexeds outward to inserting and putting on the part 30 and being arranged on the outer surface that inserts and puts part 30,, promptly dwindle the occupied two-dimensional space of antenna to dwindle the size of antenna relatively but be exposed to.
Please with reference to Fig. 6 A, Fig. 6 B and Fig. 6 C, wherein Fig. 6 A, Fig. 6 B and Fig. 6 C are that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 2412MHz, 2437MHz and 2462MHz respectively measures figure.
Please with reference to Fig. 6 D, Fig. 6 E and Fig. 6 F, wherein Fig. 6 D, Fig. 6 E and Fig. 6 F are that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 2412MHz, 2437MHz and 2462MHz respectively measures figure.
By finding out among Fig. 6 A, Fig. 6 B, Fig. 6 C, Fig. 6 D, Fig. 6 E and Fig. 6 F, utilize the heart yearn bending of coaxial cable can effectively receive and dispatch radiation frequency 2.4GHz signal, and reach radiation pattern as inverted F shaped antenna with the alternate antenna Department of Radiation.
Please with reference to Fig. 7 A, Fig. 7 B and Fig. 7 C, wherein Fig. 7 A, Fig. 7 B and Fig. 7 C are that the horizontal polarization that antenna the 4th embodiment of the present invention measures when frequency is 4900Mz, 5150MHz and 5350MHz respectively measures figure.
Please with reference to Fig. 7 D, Fig. 7 E and Fig. 7 F, wherein Fig. 7 D, Fig. 7 E and Fig. 7 F are that the perpendicular polarization that antenna the 4th embodiment of the present invention measures when frequency is 4900Mz, 5150MHz and 5350MHz respectively measures figure.
By finding out among Fig. 7 A, Fig. 7 B and Fig. 7 C, Fig. 7 D, Fig. 7 E and Fig. 7 F, utilize the heart yearn bending of coaxial cable can effectively receive and dispatch radiation frequency 5GHz signal, and reach radiation pattern as inverted F shaped antenna with the alternate antenna Department of Radiation.
Certainly; The present invention also can have other various embodiments; Under the situation that does not deviate from spirit of the present invention and essence thereof; Those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (6)
1. an antenna is characterized in that, includes:
One coaxial cable includes:
One heart yearn; One end of this heart yearn presents a bending shape; This heart yearn of this bending shape is distinguished into a signal feed-in part and an aerial radiation portion, wherein this signal feed-in part in order to feed-in one signal to this aerial radiation portion, by this aerial radiation portion this signal of wireless transmission;
One insulating barrier is coated on this heart yearn, and exposes this heart yearn of this bending shape; And
One metal level is coated on this insulating barrier, with as signal ground; And
One earth element connects this metal level of this end be close to this heart yearn, and with the extension as this metal level, this earth element has an extension, and this extension connects this aerial radiation portion, with as a conductive connecting pin;
Wherein, this heart yearn of this bending shape is made up of one first branch, one second branch, one the 3rd branch and one the 4th branch,
One end of this first branch is extended by this heart yearn, and the other end of this first branch is towards the direction extension away from this coaxial cable, with vertical each other with this coaxial cable; One end of this second branch is extended away from an end of this coaxial cable by this first branch, and the other end of this second branch is towards the direction extension away from this coaxial cable, to be parallel to each other with this coaxial cable; One end of the 3rd branch is extended away from an end of this first branch by this second branch, and the other end of the 3rd branch is towards the direction extension away from this coaxial cable, to be parallel to each other with this first branch; One end of the 4th branch is extended away from an end of this second branch by the 3rd branch, and the other end of the 4th branch is towards the direction extension of this coaxial cable, to be parallel to each other with this second branch;
Wherein, this first branch is as this signal feed-in part, and this second branch, the 3rd branch and the 4th branch are as this aerial radiation portion.
2. antenna according to claim 1 is characterized in that this earth element also has a junction surface, and this junction surface is surrounded on this metal level.
3. antenna according to claim 1 is characterized in that this earth element also has a junction surface, and this junction surface is overlapped on this metal level.
4. antenna according to claim 1; It is characterized in that; Also include one and insert and put part, this inserts and puts part and has on one sheet material and sheet material once, and an end and this conductive connecting pin of this coaxial cable with this heart yearn of this bending shape is folded on this between the sheet material and this time sheet material.
5. antenna according to claim 4 is characterized in that, has a groove on the inner surface of at least one in sheet material and this time sheet material on this, with this end and this conductive connecting pin that this coaxial cable is set.
6. antenna according to claim 1 is characterized in that, this coaxial cable also includes an insulation material, and this insulation material is coated on this metal level, and exposes this metal level of this end that is close to this heart yearn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100855979A CN101546866B (en) | 2008-03-24 | 2008-03-24 | Antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100855979A CN101546866B (en) | 2008-03-24 | 2008-03-24 | Antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101546866A CN101546866A (en) | 2009-09-30 |
| CN101546866B true CN101546866B (en) | 2012-08-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100855979A Expired - Fee Related CN101546866B (en) | 2008-03-24 | 2008-03-24 | Antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101546866B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107027079B (en) * | 2017-05-12 | 2024-02-27 | 深圳市冠旭电子股份有限公司 | Necklace type Bluetooth earphone |
| TWI770851B (en) * | 2020-03-30 | 2022-07-11 | 仁寶電腦工業股份有限公司 | Antenna device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6842155B1 (en) * | 2003-08-05 | 2005-01-11 | D-Link Corporation | Low-cost coaxial cable fed inverted-L antenna |
-
2008
- 2008-03-24 CN CN2008100855979A patent/CN101546866B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6842155B1 (en) * | 2003-08-05 | 2005-01-11 | D-Link Corporation | Low-cost coaxial cable fed inverted-L antenna |
Non-Patent Citations (1)
| Title |
|---|
| JP特开2005-136784A 2005.05.26 |
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| Publication number | Publication date |
|---|---|
| CN101546866A (en) | 2009-09-30 |
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Granted publication date: 20120822 Termination date: 20130324 |