CN101345338B - Electronic device and its short circuit dipole antenna - Google Patents
Electronic device and its short circuit dipole antenna Download PDFInfo
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- CN101345338B CN101345338B CN2007101291127A CN200710129112A CN101345338B CN 101345338 B CN101345338 B CN 101345338B CN 2007101291127 A CN2007101291127 A CN 2007101291127A CN 200710129112 A CN200710129112 A CN 200710129112A CN 101345338 B CN101345338 B CN 101345338B
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- radiating element
- short circuit
- bipolar antenna
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Abstract
The invention provides an electronic device and a short circuit dipole antenna thereof. The short circuit dipole antenna comprises a first radiation unit, a second radiation unit and a short circuit unit; furthermore, the short circuit unit comprises a first end and a second end; the first end of the short circuit unit is coupled to the first radiation unit and the second end of the short circuit unit is coupled to the second coupling unit.
Description
Technical field
The invention relates to a kind of electronic installation and dipole antenna thereof, and particularly about a kind of electronic installation and short circuit bipolar antenna thereof with short-circuit unit.
Background technology
Flourish along with wireless technology, increasing electronic installation worms to wireless penetration, and has the function of wireless transmission.For instance, wireless printer is behind an external antenna assembly, and the user can print its required file whenever and wherever possible, and does not need file transfer to having on the computer that connects printer.Thus, can improve the operational convenience of user.
Yet external antenna device will destroy the overall appearance aesthetic feeling of wireless printer, therefore, how under the prerequisite of keeping the overall appearance aesthetic feeling, can keep the good transmission efficient of antenna again, promptly become one of present problem of being badly in need of solving.
Summary of the invention
The present invention because the short-circuit unit in the short circuit bipolar antenna is coupled between first radiating element and second radiating element, therefore, will make short circuit bipolar antenna have following advantage at least about a kind of electronic installation and short circuit bipolar antenna thereof:
One, the structure of short circuit bipolar antenna is simple than prior art;
Two, the making of short circuit bipolar antenna is easy than prior art;
Three, the cost of manufacture of short circuit bipolar antenna is cheap than prior art;
Four, the area of radiating element is less; And
Five, short circuit bipolar antenna is configurable in electronic installation internal corners place, to avoid destroying the overall appearance aesthetic feeling of electronic installation.
According to a first aspect of the invention, a kind of short circuit bipolar antenna is proposed.Short circuit bipolar antenna comprises first radiating element, second radiating element and short-circuit unit, and short-circuit unit comprises first end and second end.First end of short-circuit unit is coupled to first radiating element, and short-circuit unit second end is coupled to second radiating element.
According to a second aspect of the invention, a kind of electronic installation is proposed.Electronic installation comprises short circuit bipolar antenna and circuit board.Short circuit bipolar antenna comprises first radiating element, second radiating element and short-circuit unit, and short-circuit unit comprises first end and second end.First end of short-circuit unit is coupled to first radiating element, and short-circuit unit second end is coupled to second radiating element.Circuit board is in order to through short circuit bipolar antenna transmitting/receiving wireless signal.
Disclosed electronic installation of the present invention and short circuit bipolar antenna thereof because short-circuit unit is coupled between first radiating element and second radiating element, therefore, will make the present invention have following advantage at least:
One, the structure of short circuit bipolar antenna is simple than prior art;
Two, the making of short circuit bipolar antenna is easy than prior art;
Three, the cost of manufacture of short circuit bipolar antenna is cheap than prior art;
Four, the area of radiating element is less; And
Five, short circuit bipolar antenna is configurable in electronic installation internal corners place, to avoid destroying the overall appearance aesthetic feeling of electronic installation.
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts a preferred embodiment, and conjunction with figs., elaborates as follows:
Description of drawings
Shown in Figure 1 is the calcspar of electronic installation.
Shown in Figure 2 is the sketch map of accordinging to the short circuit bipolar antenna of the present invention one first embodiment.
Shown in Figure 3 for returning the measured waveform figure of loss.
Shown in Figure 4 is the measured waveform figure of antenna gain and radiation efficiency.
The sketch map that is configured in the x-y plane for short circuit bipolar antenna 40 shown in Figure 5.
Shown in Figure 6 is the radiation pattern figure of short circuit bipolar antenna 40 when frequency of operation equals 2400MHz.
Shown in Figure 7 is the radiation pattern figure of short circuit bipolar antenna 40 when frequency of operation equals 2442MHz.
Shown in Figure 8 is the radiation pattern figure of short circuit bipolar antenna 40 when frequency of operation equals 2484MHz.
Shown in Figure 9 is the sketch map of accordinging to the short circuit bipolar antenna of the present invention one second embodiment.
Shown in Figure 10 is the sketch map of accordinging to the short circuit bipolar antenna of the present invention 1 the 3rd embodiment.
Shown in Figure 11 is the sketch map of accordinging to the short circuit bipolar antenna of the present invention 1 the 4th embodiment.
The main element symbol description
10: electronic installation
20: circuit board
30: short circuit bipolar antenna
40: according to the short circuit bipolar antenna of the present invention one first embodiment
50: according to the short circuit bipolar antenna of the present invention one second embodiment
60: according to the short circuit bipolar antenna of the present invention 1 the 3rd embodiment
61,62: curve
70: according to the short circuit bipolar antenna of the present invention 1 the 4th embodiment
90: coaxial transmission line
92: center conductor
94: outer earthing conductor
410,420,510,520,610,620,710,720: radiating element
411,412,413,414,421,422,423,424,511,512,513,514,515,516,521,522,523,524,525,526,611,612,613,621,622,623,711,712,721,722: side
419,429: load point
430: short-circuit unit
432: the first ends
434: the second ends
713,723: the arc limit
θ: angle
D: beeline
Embodiment
Please with reference to Fig. 1, it is depicted as the calcspar of electronic installation.Electronic installation 10 comprises circuit board 20 and short circuit bipolar antenna 30, and circuit board 20 is in order to through short circuit bipolar antenna 30 transmitting/receiving wireless signals.Electronic installation 10 for example is the Wireless LAN device, and the Wireless LAN device for example is wireless printer or notebook computer.
Short circuit bipolar antenna 30 comprises first radiating element, second radiating element and short-circuit unit, and will further introduce at following first embodiment to the, four embodiment respectively about the structure of first radiating element, second radiating element and short-circuit unit.
First radiating element of short circuit bipolar antenna 30 and second radiating element are in order to a fundamental frequency (half-wave) mode that resonates out, to contain the required frequency range of Wireless LAN.Wherein, the required frequency range of Wireless LAN for example is 2400MHz to 2484MHz.And short-circuit unit comprises first end and second end, in order to be coupled to first radiating element and second radiating element respectively.
First embodiment
Please with reference to Fig. 2, it is depicted as the sketch map according to the short circuit bipolar antenna of the present invention one first embodiment.Short circuit bipolar antenna 30 for example be Fig. 2 shown in short circuit bipolar antenna 40, and short circuit bipolar antenna 40 comprises radiating element 410, radiating element 420 and short-circuit unit 430.Radiating element 410, radiating element 420 for example are formed in one with short-circuit unit 430, and radiating element 410, radiating element 420 and short-circuit unit 430 for example are formed on the medium substrate with printing technology or etching technique.In addition, radiating element 410, radiating element 420 also can be made by the sheet metal cutting with short-circuit unit 430 and form.
The structure of short circuit bipolar antenna 40 is not only simple than prior art, and when radiating element 410, radiating element 420 are formed in one with short-circuit unit 430, more can reduce cost of manufacture.In addition, because radiating element 410, radiating element 420 and short-circuit unit 430 can be formed in one, therefore, do not need extra tool that radiating element 410 and radiating element 420 are carried out steady job, so the making of short circuit bipolar antenna 40 is easy than prior art.Moreover short circuit bipolar antenna 40 is configurable in electronic installation 20 internal corners places, so, can avoid destroying the overall appearance aesthetic feeling of electronic installation 20.
The beeline d of radiating element 410 and radiating element 420 is for example between 0 to 2mm, and radiating element 410 and radiating element 420 have load point 419 and 429 respectively, in order to center conductor 92 and the outer earthing conductor 94 that is coupled to coaxial transmission line 90 respectively.
Further; Radiating element 410 comprises side 411, side 412, side 413 and side 414; And the side 411 of radiating element 410 and side 412 are parallel to each other with side 413 and side 414 in fact respectively; And side 411 and side 413 are orthogonal with side 412 and side 414 in fact respectively, to form a square type.
Likewise; Radiating element 420 comprises side 421, side 422, side 423 and side 424; And the side 421 of radiating element 420 and side 422 are parallel to each other with side 423 and side 424 in fact respectively; And side 421 and side 423 are orthogonal with side 422 and side 424 in fact respectively, to form another square type.
The length of side 411, side 413, side 421 and side 423 is for example equal in fact; And the length of side 412, side 414, side 422 and side 424 is for example equal in fact, and the length of side 412, side 414, side 422 and side 424 is for example respectively greater than side 411, side 413, side 421 and side 423.In addition, the bearing of trend of side 412 and side 422 forms an angle theta, and angle theta is for example spent to 180 degree between 90.
Short-circuit unit 430 for example is banded (Strip) structure, and short-circuit unit 430 has first end 432 and second end 434.First end 432 is coupled to side 411, and second end 434 is coupled to side 421.Because short-circuit unit 430 is coupled between radiating element 410 and the radiating element 420, therefore, can makes the centre frequency of short circuit bipolar antenna 40 descend, and then reduce the area of radiating element 410 and radiating element 420.
For instance; The length of side 411, side 413, side 421 and side 423 can be 6mm; And the length of side 412, side 414, side 422 and side 424 can be 23.5mm; And the width of short-circuit unit 430 can be 1mm, the right above-mentioned embodiment that is merely, and the design of antenna of the present invention is not limited to above-mentioned structure.
Please be simultaneously with reference to Fig. 3 and Fig. 4, shown in Figure 3 is the measured waveform figure that returns loss.Shown in Figure 4 is the measured waveform figure of antenna gain and radiation efficiency.Wherein, the curve 61 of Fig. 4 is in order to the antenna gain of expression short circuit bipolar antenna 40 at 2380MHz to 2500MHz, and the curve 62 of Fig. 4 is in order to the radiation efficiency of expression short circuit bipolar antenna 40 at 2380MHz to 2500MHz.Measurement result by Fig. 3 and Fig. 4 can be learnt; Though radiating element 410 is littler than the radiating element of prior art with the area of radiating element 420, the returning loss (Return Loss), antenna gain and radiation efficiency and still can reach the set goal of short circuit bipolar antenna 40.
Please be simultaneously with reference to Fig. 5, Fig. 6, Fig. 7 and Fig. 8.The sketch map that is disposed at the x-y plane for short circuit bipolar antenna 40 shown in Figure 5.Shown in Figure 6 is the radiation pattern figure of short circuit bipolar antenna 40 when frequency of operation equals 2400MHz.Shown in Figure 7 is the radiation pattern figure of short circuit bipolar antenna 40 when frequency of operation equals 2442MHz.Shown in Figure 8 is the radiation pattern figure of short circuit bipolar antenna 40 when frequency of operation equals 2484MHz.When short circuit bipolar antenna 40 is configured in x-y plane and frequency of operation when equaling 2400MHz, 2442MHz and 2484MHz respectively, its radiation pattern figure respectively like Fig. 6 to shown in Figure 8.And can know that by Fig. 6 to Fig. 8 though radiating element 410 is littler than the radiating element of prior art with the area of radiating element 420, the radiation pattern of short circuit bipolar antenna 40 still can reach the set goal.
Second embodiment
Please with reference to Fig. 9, it is depicted as the sketch map according to the short circuit bipolar antenna of the present invention one second embodiment.Second embodiment and the first embodiment difference are: the radiating element 510 of second embodiment and the shape of radiating element 520 are different from the first embodiment radiating element 410 and radiating element 420.
Likewise, radiating element 520 comprises side 521, side 522, side 523, side 524, side 525 and side 526.Wherein, side 523 is for example greater than side 521, and side 521 is for example greater than side 525.The side 521 of radiating element 520 and side 523 are parallel to each other with side 525 in fact, and the side 522 of radiating element 520 and side 524 are parallel to each other with side 526 in fact.Side 521, side 523 and side 525 are orthogonal with side 522, side 524 and side 526 in fact respectively, to form another L type.
The 3rd embodiment
Please with reference to Figure 10, it is depicted as the sketch map according to the short circuit bipolar antenna of the present invention 1 the 3rd embodiment.The 3rd embodiment and the first embodiment difference are: the radiating element 610 of second embodiment and the shape of radiating element 620 are different from the first embodiment radiating element 410 and radiating element 420.
Radiating element 610 comprises side 611, side 612 and side 613.Wherein, side 613 is for example greater than side 612, and side 612 is for example greater than side 611.Side 611 is vertical in fact each other with side 612, and side 611, side 612 and side 613 form a right angle triangle.
Likewise, radiating element 620 comprises side 621, side 622 and side 623.Wherein, side 623 is for example greater than side 622, and side 622 is for example greater than side 621.Side 621 is vertical in fact each other with side 622, and side 621, side 622 and side 623 form another right-angled triangle.
The 4th embodiment
Please with reference to Figure 11, it is depicted as the sketch map according to the short circuit bipolar antenna of the present invention 1 the 4th embodiment.The 4th embodiment and the first embodiment difference are: the radiating element 710 of second embodiment and the shape of radiating element 720 are different from the first embodiment radiating element 410 and radiating element 420.
Likewise, radiating element 720 comprises side 721, side 722 and arc limit 723.Wherein, side 722 is for example greater than side 721, and side 721, side 722 and arc limit 723 form another knife-edge.
Because short-circuit unit is coupled between first radiating element and second radiating element, therefore, will make following embodiment have following advantage at least:
One, the structure of short circuit bipolar antenna is simple than prior art;
Two, the making of short circuit bipolar antenna is easy than prior art;
Three, the cost of manufacture of short circuit bipolar antenna is cheap than prior art;
Four, the area of radiating element is less; And
Five, short circuit bipolar antenna is configurable in electronic installation internal corners place, to avoid destroying the overall appearance aesthetic feeling of electronic installation.
For content of the present invention is detailed; With first embodiment to the, four embodiment is the example explanation, and so the present invention is not limited thereto, has common knowledge the knowledgeable in the technical field under the present invention; Do not breaking away from the spirit and scope of the present invention, when doing various changes and retouching.
Claims (16)
1. short circuit bipolar antenna comprises:
One first radiating element has a first side connected to one another and a second side, and the length of this second side is greater than this first side;
One second radiating element has one the 3rd side connected to one another and a four side, and the length of this four side is greater than the 3rd side; And
One short-circuit unit comprises:
One first end is coupled to the part of the first side of this first radiating element; And
One second end is coupled to the part of the 3rd side of this second radiating element;
Wherein, the bearing of trend of this second side and this four side forms an angle, this angle between 90 the degree to 180 the degree,
Wherein this first side and this second side are vertical in fact each other, and the 3rd side and this four side are vertical in fact each other.
2. short circuit bipolar antenna according to claim 1, wherein the beeline of this first radiating element and this second radiating element between 0 to 2mm.
3. short circuit bipolar antenna according to claim 1, wherein this first radiating element, this second radiating element and this short-circuit unit are formed in one.
4. short circuit bipolar antenna according to claim 1, wherein this first width of cloth is penetrated unit, this second radiating element and this short-circuit unit and is formed on the medium substrate with printing technology.
5. short circuit bipolar antenna according to claim 1, wherein this first radiating element, this second radiating element and this short-circuit unit are formed on the medium substrate with etching technique.
6. short circuit bipolar antenna according to claim 1, wherein this first radiating element, this second radiating element and this short-circuit unit are made by the sheet metal cutting and are formed.
7. short circuit bipolar antenna according to claim 1, wherein this first radiating element and this second radiating element have one first load point and one second load point respectively, in order to a center conductor and an outer earthing conductor that is coupled to a coaxial transmission line.
8. short circuit bipolar antenna according to claim 1; Wherein this first radiating element also has one the 5th side and one the 6th side; The 5th side and the 6th side are parallel to each other in fact with this first side and this second side respectively; And this first side, this second side, the 5th side and the 6th side form one first rectangle; This second radiating element also has a heptalateral limit and one the 8th side, and this heptalateral limit and the 8th side are parallel to each other in fact with the 3rd side and this four side respectively, and the 3rd side, this four side, this heptalateral limit and the 8th side form one second rectangle.
9. short circuit bipolar antenna according to claim 8, wherein the length of this second side is greater than this first side, and the length of this four side is greater than the 3rd side.
10. short circuit bipolar antenna according to claim 1; Wherein this first radiating element also has one the 5th side, one the 6th side, a heptalateral limit and one the 8th side; The 5th side and this heptalateral limit and this first side are parallel to each other in fact; The 6th side and the 8th side and this second side are parallel to each other in fact; It is one first L shaped that this first side, this second side, the 5th side, the 6th side, this heptalateral limit and the 8th side form; This second radiating element also has one the 9th side, 1 the tenth side, 1 the 11 side and 1 the tenth dual side-edge; The 9th side and the 11 side and the 3rd side are parallel to each other in fact, and the tenth side and the tenth dual side-edge and this four side are parallel to each other in fact, and it is one second L shaped that the 3rd side, this four side, the 9th side, the tenth side, the 11 side and the tenth dual side-edge form.
11. short circuit bipolar antenna according to claim 10, wherein this heptalateral limit is greater than this first side, and the 11 side is greater than the 3rd side.
12. short circuit bipolar antenna according to claim 1; Wherein first radiating element also has one the 5th side; This first side, this second side and the 5th side form one first triangular form; And this second radiating element also has one the 6th side, and the 3rd side, this four side, the 6th side form one second triangle.
13. short circuit bipolar antenna according to claim 12, wherein the 5th side is greater than this second side, and this second side is greater than this first side, and the 6th side is greater than this four side, and this four side is greater than the 3rd side.
14. short circuit bipolar antenna according to claim 1; Wherein this first radiating element also has one first arc limit; This first side, this second side and this first arc limit form one first knife-edge; And this second radiating element also has one second arc limit, and the 3rd side, this four side and this second arc limit form one second knife-edge.
15. short circuit bipolar antenna according to claim 14, wherein the length of this second side is greater than this first side, and the length of this four side is greater than the 3rd side.
16. short circuit bipolar antenna according to claim 1, it is installed in the electronic installation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101291127A CN101345338B (en) | 2007-07-11 | 2007-07-11 | Electronic device and its short circuit dipole antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101291127A CN101345338B (en) | 2007-07-11 | 2007-07-11 | Electronic device and its short circuit dipole antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101345338A CN101345338A (en) | 2009-01-14 |
| CN101345338B true CN101345338B (en) | 2012-05-30 |
Family
ID=40247270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101291127A Active CN101345338B (en) | 2007-07-11 | 2007-07-11 | Electronic device and its short circuit dipole antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101345338B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI823391B (en) * | 2022-05-16 | 2023-11-21 | 智易科技股份有限公司 | Tri-band antenna module |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2156895A1 (en) * | 1994-09-02 | 1996-03-03 | Petrus Johannus Stephanus Teunisse | Stripline antenna |
| WO1998016966A1 (en) * | 1996-10-11 | 1998-04-23 | Avnet, Inc. | Broad band dipole element and array |
| CN1298265A (en) * | 1999-11-03 | 2001-06-06 | 安德鲁公司 | Collapsible dipole antenna |
-
2007
- 2007-07-11 CN CN2007101291127A patent/CN101345338B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2156895A1 (en) * | 1994-09-02 | 1996-03-03 | Petrus Johannus Stephanus Teunisse | Stripline antenna |
| WO1998016966A1 (en) * | 1996-10-11 | 1998-04-23 | Avnet, Inc. | Broad band dipole element and array |
| CN1298265A (en) * | 1999-11-03 | 2001-06-06 | 安德鲁公司 | Collapsible dipole antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI823391B (en) * | 2022-05-16 | 2023-11-21 | 智易科技股份有限公司 | Tri-band antenna module |
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| Publication number | Publication date |
|---|---|
| CN101345338A (en) | 2009-01-14 |
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