CN102097683A - Dipole antenna and dipole antenna combination - Google Patents
Dipole antenna and dipole antenna combination Download PDFInfo
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- CN102097683A CN102097683A CN2009102462752A CN200910246275A CN102097683A CN 102097683 A CN102097683 A CN 102097683A CN 2009102462752 A CN2009102462752 A CN 2009102462752A CN 200910246275 A CN200910246275 A CN 200910246275A CN 102097683 A CN102097683 A CN 102097683A
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Abstract
The invention relates to a dipole antenna and a dipole antenna combination. The dipole antenna comprises a first radiator, a second radiator, a first wafer antenna and a second wafer antenna. The first radiator is further provided with a first conductor and a second conductor, while the second radiator is further provided with a third conductor and a fourth conductor. The first wafer antenna is electrically connected to the first conductor and the second conductor, while the second wafer antenna is electrically connected to the third conductor and the fourth conductor. In addition, the invention also provides a dipole antenna combination adopting the dipole antenna.
Description
Technical field
The present invention relates to a kind of wireless technical field, particularly relate to the combination of a kind of dipole antenna and dipole antenna.
Background technology
(Radio Frequency Identification System RFIDSystem) mainly comprises electronic tag (Tag) and reader (Reader) two large divisions to radio frequency identification system.Electronic tag is the data medium of radio frequency identification system, and it is made up of label antenna and inductor (Transponder) wafer usually.And according to the difference of electronic tag supply power mode, electronic tag can be divided into active electronic label (active tag), passive electronic label (passive tag) and half passive electronic label (semi-passive tag).Battery is housed in the active electronic label, and passive electronic label does not have internal battery, and half passive electronic label then is that part dependence is battery operated.
Typical reader includes transceiver module (Transceiver), control unit and reader antenna, and reader to be reader antenna by The built-in to carry out radio communication with electronic tag, thereby realize reading or write operation to the memory body data of tag recognition sign indicating number and inductor.
Because that dipole antenna has is simple in structure, make easily and low cost and other advantages, thereby be widely used as reader antenna in uhf band (because the employed frequency range difference in different regions, this does not specify) frequency identification system.Yet the dipole antenna of traditional double feed-in pattern is subject to considering of lower frequency and antenna directivity, and size all can not be too little.So, also further limited the size of reader.
This shows that above-mentioned existing dipole antenna obviously still has inconvenience and defective, and demands urgently further being improved in structure and use.In order to solve the problem of above-mentioned existence, relevant manufacturer there's no one who doesn't or isn't seeks solution painstakingly, but do not see always that for a long time suitable design finished by development, and common product does not have appropriate structure to address the above problem, this obviously is the problem that the anxious desire of relevant dealer solves.Therefore how to found the combination of a kind of novel dipole antenna and dipole antenna, real one of the current important research and development problem that belongs to, also becoming the current industry utmost point needs improved target.
Summary of the invention
Main purpose of the present invention is to provide a kind of dipole antenna, and the size of the existing known dipole antenna of its size is come for a short time.
Another object of the present invention is to provide a kind of dipole antenna combination, it adopts aforesaid dipole antenna.
The object of the invention to solve the technical problems realizes by the following technical solutions.According to a kind of dipole antenna that the present invention proposes, it comprises: one first radiant body has one first conductor and one second conductor; One second radiant body has one the 3rd conductor and one the 4th conductor; One first wafer antenna electrically connects this first conductor and this second conductor; And one second wafer antenna, electrically connect the 3rd conductor and the 4th conductor.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid dipole antenna, wherein this first conductor and the 3rd conductor is big or small identical, this second conductor is big or small identical with the 4th conductor, and this second conductor is perpendicular to this first conductor, the 4th conductor is perpendicular to the 3rd conductor, and the 4th conductor is parallel to this second conductor, makes the configuration of this first radiant body and this second radiant body present the mirror relation.
Aforesaid dipole antenna, wherein said first conductor has a first and a second portion, this second portion is in order to electrically connect this first wafer antenna, and the width of this second portion is less than the width of this first, the 3rd conductor has a third part and one the 4th part, the 4th part is in order to electrically connecting this second wafer antenna, and this tetrameric width is less than the width of this third part.
Aforesaid dipole antenna, wherein this first wafer antenna and this second wafer antenna are all an one pole ceramic wafers antenna.
The object of the invention to solve the technical problems also realizes by the following technical solutions.According to a kind of dipole antenna combination that the present invention proposes, it comprises: one first dipole antenna comprises: one first radiant body has one first conductor and one second conductor; One second radiant body has one the 3rd conductor and one the 4th conductor; One first wafer antenna electrically connects this first conductor and this second conductor; And one second wafer antenna, electrically connect the 3rd conductor and the 4th conductor; And one second dipole antenna, arranged perpendicular is in this first dipole antenna, and this second dipole antenna comprises: one the 3rd radiant body has one the 5th conductor and one the 6th conductor; One the 4th radiant body has one the 7th conductor and one the 8th conductor; One the 3rd wafer antenna electrically connects the 5th conductor and the 6th conductor; And one the 4th wafer antenna, electrically connect the 7th conductor and the 8th conductor.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
Aforesaid dipole antenna combination, wherein this first conductor and the 3rd conductor is big or small identical, this second conductor is big or small identical with the 4th conductor, and this second conductor is perpendicular to this first conductor, the 4th conductor is perpendicular to the 3rd conductor, and the 4th conductor is parallel to this second conductor, make the configuration of this first radiant body and this second radiant body present the mirror relation, the 5th conductor is big or small identical with the 7th conductor, the 6th conductor is big or small identical with the 8th conductor, and the 6th conductor is perpendicular to the 5th conductor, the 8th conductor is perpendicular to the 7th conductor, and the 8th conductor is parallel to the 6th conductor, makes the configuration of the 3rd radiant body and the 4th radiant body present the mirror relation.
Aforesaid dipole antenna combination, wherein said first conductor has a first and a second portion, this second portion is in order to electrically connect this first wafer antenna, and the width of this second portion is less than the width of this first, the 3rd conductor has a third part and one the 4th part, the 4th part is in order to electrically connect this second wafer antenna, and this tetrameric width is less than the width of this third part, the 5th conductor has one the 5th part and one the 6th part, the 6th part is in order to electrically connect the 3rd wafer antenna, and the width of the 6th part is less than the width of the 5th part, the 7th conductor has one the 7th part and one the 8th part, the 8th part is in order to electrically connecting the 4th wafer antenna, and the width of the 8th part is less than the width of the 7th part.
Aforesaid dipole antenna combination, wherein this first wafer antenna, this second wafer antenna, the 3rd wafer antenna and the 4th wafer antenna are all an one pole ceramic wafers antenna.
In sum, the present invention presents the mode of radiant body with two conductors, and then wafer antenna electrically connected above-mentioned two conductors, so that the length elongation property that utilizes the high-k material reduced size of wafer antenna and utilize one pole pattern antenna, make characteristics such as radiation frequency net low frequency skew, reduce dipole antenna needed length under respective frequencies.It should be noted that the checking through experiment, this way can't influence antenna parameters such as the radiation pattern of dipole antenna and the directive property that polarizes.
Above-mentioned explanation only is the general introduction of technical solution of the present invention, for can clearer understanding technological means of the present invention, and can be implemented according to the content of specification, and for above-mentioned and other purposes, feature and advantage of the present invention can be become apparent, below especially exemplified by preferred embodiment, and conjunction with figs., be described in detail as follows.
Description of drawings
Fig. 1 is the structural representation according to the dipole antenna of one embodiment of the invention.
Fig. 2 is the structural representation according to the dipole antenna array of one embodiment of the invention.
100,210,220: dipole antenna 112,114,122,124: conductor
116,126: wafer antenna 118,128: indicate
200: dipole antenna combination W1, W2: width
L: length
Embodiment
Reach technological means and the effect that predetermined goal of the invention is taked for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, dipole antenna and dipole antenna that foundation the present invention is proposed make up its embodiment, structure, feature and effect thereof, describe in detail as after.
First embodiment:
Fig. 1 is the structural representation according to the dipole antenna of one embodiment of the invention, and the present invention mainly discloses a kind of dipole antenna and dipole antenna combination, and this dipole antenna is preferably the dipole antenna of two feed-in types in the present invention.See also shown in Figure 1ly, this dipole antenna 100 includes two radiant bodies.One of them radiant body is made up of conductor 112 and 114, and conductor 112 and 114 is that wafer antenna 116 by the one pole pattern is electrically connected.And another radiant body is made up of conductor 122 and 124, and conductor 122 and 124 is that wafer antenna 126 by the one pole pattern is electrically connected.Two wafer antennas of above-mentioned this all can utilize one pole ceramic wafers antenna to realize.And electrically connect the benefit of two conductors by wafer antenna, be to utilize the high-k material reduced size of wafer antenna and utilize the characteristic of the length extension of one pole pattern antenna can make radiation frequency, reduce dipole antenna 100 needed length L under respective frequencies toward the low frequency skew.High-dielectric coefficient described herein is at least greater than the dielectric coefficient of common metal, the preferable dielectric coefficient that is meant greater than copper; And the high-dielectric coefficient material of indication herein, the preferable ceramic material that is meant.
And in order to make this dipole antenna 100 meet specific designing requirement, in this example, be that conductor 112 is become identical with the size design of conductor 122, and conductor 114 also is designed to identical with the size of conductor 124.In addition, also conductor 114 is designed to perpendicular to conductor 112, and conductor 124 is designed to perpendicular to conductor 122, and conductor 124 is designed to be parallel to conductor 114, make the configuration of these two radiant bodies present the mirror relation.Therefore, one of them of sign 118 and 128 indication parts can be as load point, and another then can be used for ground connection.And in this example, conductor 112 is designed to have two parts again, and wherein Yi Bufen width is designed to W1, and the width of another part then is designed to W2 and in order to electrically connect antenna wafer 116.Wherein width W 2 is less than width W 1.In addition, conductor 122 also is designed to have two parts, and wherein Yi Bufen width also is designed to W1, and the width of another part then is designed to W2 and in order to electrically connect antenna wafer 126.
Second embodiment:
Fig. 2 is the structural representation according to the dipole antenna combination of one embodiment of the invention.See also shown in Figure 2ly, this dipole antenna combination 200 includes dipole antenna 210 and 220.In this example, dipole antenna 210 and 220 all can adopt the design of the described dipole antenna 100 of first embodiment, and dipole antenna 220 can adopt mode shown in Figure 2 to come arranged perpendicular in dipole antenna 210, can receive and transmit the signal of different directions so that this dipole antenna combination 200 can increase the polarization of vertical and horizontal direction.
In sum, the present invention presents the mode of radiant body with two conductors, and then with above-mentioned two conductors of wafer antenna electric property coupling, so that utilize the high-k material reduced size of wafer antenna and utilize the characteristic of the extension of one pole pattern antenna length can make radiation frequency, reduce dipole antenna needed length under respective frequencies toward characteristics such as low frequency skews.It should be noted that the checking through experiment, this way can't influence antenna parameters such as the radiation pattern of dipole antenna and the directive property that polarizes.
In addition, anyly have the knack of dipole antenna that this skill person also can propose the above embodiment of the present invention and the structure of dipole antenna combination is done suitably change, for example change position configuration of each dipole antenna in the material, dipole antenna combination of structural arrangements, the wafer antenna of each conductor of radiant body or the like.
The above, it only is preferred embodiment of the present invention, be not that the present invention is done any pro forma restriction, though the present invention discloses as above with preferred embodiment, yet be not in order to limit the present invention, any those skilled in the art, in not breaking away from the technical solution of the present invention scope, when the technology contents that can utilize above-mentioned announcement is made a little change or is modified to the equivalent embodiment of equivalent variations, in every case be the content that does not break away from technical solution of the present invention, according to technical spirit of the present invention to any simple modification that above embodiment did, equivalent variations and modification all still belong in the scope of technical solution of the present invention.
Claims (8)
1. dipole antenna is characterized in that it comprises:
One first radiant body has one first conductor and one second conductor;
One second radiant body has one the 3rd conductor and one the 4th conductor;
One first wafer antenna electrically connects this first conductor and this second conductor; And
One second wafer antenna electrically connects the 3rd conductor and the 4th conductor.
2. dipole antenna according to claim 1, it is characterized in that the big or small identical of wherein this first conductor and the 3rd conductor, this second conductor is big or small identical with the 4th conductor, and this second conductor is perpendicular to this first conductor, the 4th conductor is perpendicular to the 3rd conductor, and the 4th conductor is parallel to this second conductor, makes the configuration of this first radiant body and this second radiant body present the mirror relation.
3. dipole antenna according to claim 2, it is characterized in that wherein said first conductor has a first and a second portion, this second portion is in order to electrically connect this first wafer antenna, and the width of this second portion is less than the width of this first, the 3rd conductor has a third part and one the 4th part, the 4th part is in order to electrically connecting this second wafer antenna, and this tetrameric width is less than the width of this third part.
4. dipole antenna according to claim 1 is characterized in that wherein this first wafer antenna and this second wafer antenna are all an one pole ceramic wafers antenna.
5. dipole antenna combination is characterized in that it comprises:
One first dipole antenna comprises:
One first radiant body has one first conductor and one second conductor;
One second radiant body has one the 3rd conductor and one the 4th conductor;
One first wafer antenna electrically connects this first conductor and this second conductor; And
One second wafer antenna electrically connects the 3rd conductor and the 4th conductor; And
One second dipole antenna, arranged perpendicular are in this first dipole antenna, and this second dipole antenna comprises:
One the 3rd radiant body has one the 5th conductor and one the 6th conductor;
One the 4th radiant body has one the 7th conductor and one the 8th conductor;
One the 3rd wafer antenna electrically connects the 5th conductor and the 6th conductor; And
One the 4th wafer antenna electrically connects the 7th conductor and the 8th conductor.
6. dipole antenna combination according to claim 5, it is characterized in that the big or small identical of wherein this first conductor and the 3rd conductor, this second conductor is big or small identical with the 4th conductor, and this second conductor is perpendicular to this first conductor, the 4th conductor is perpendicular to the 3rd conductor, and the 4th conductor is parallel to this second conductor, make the configuration of this first radiant body and this second radiant body present the mirror relation, the 5th conductor is big or small identical with the 7th conductor, the 6th conductor is big or small identical with the 8th conductor, and the 6th conductor is perpendicular to the 5th conductor, the 8th conductor is perpendicular to the 7th conductor, and the 8th conductor is parallel to the 6th conductor, makes the configuration of the 3rd radiant body and the 4th radiant body present the mirror relation.
7. dipole antenna combination according to claim 6, it is characterized in that wherein said first conductor has a first and a second portion, this second portion is in order to electrically connect this first wafer antenna, and the width of this second portion is less than the width of this first, the 3rd conductor has a third part and one the 4th part, the 4th part is in order to electrically connect this second wafer antenna, and this tetrameric width is less than the width of this third part, the 5th conductor has one the 5th part and one the 6th part, the 6th part is in order to electrically connect the 3rd wafer antenna, and the width of the 6th part is less than the width of the 5th part, the 7th conductor has one the 7th part and one the 8th part, the 8th part is in order to electrically connecting the 4th wafer antenna, and the width of the 8th part is less than the width of the 7th part.
8. dipole antenna combination according to claim 5 is characterized in that wherein this first wafer antenna, this second wafer antenna, the 3rd wafer antenna and the 4th wafer antenna are all an one pole ceramic wafers antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102462752A CN102097683A (en) | 2009-12-14 | 2009-12-14 | Dipole antenna and dipole antenna combination |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102462752A CN102097683A (en) | 2009-12-14 | 2009-12-14 | Dipole antenna and dipole antenna combination |
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| Publication Number | Publication Date |
|---|---|
| CN102097683A true CN102097683A (en) | 2011-06-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102462752A Pending CN102097683A (en) | 2009-12-14 | 2009-12-14 | Dipole antenna and dipole antenna combination |
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| CN (1) | CN102097683A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785346A (en) * | 2015-11-25 | 2017-05-31 | 宏碁股份有限公司 | Mobile communication device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140342A (en) * | 1995-05-10 | 1997-01-15 | 卡西欧计算机公司 | Antenna for use with portable radio apparatus |
| CN1362755A (en) * | 2000-12-31 | 2002-08-07 | 富士康(昆山)电脑接插件有限公司 | Printed dipole antenna |
| TW200721600A (en) * | 2005-11-25 | 2007-06-01 | Yageo Corp | A composite monopole antenna |
-
2009
- 2009-12-14 CN CN2009102462752A patent/CN102097683A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1140342A (en) * | 1995-05-10 | 1997-01-15 | 卡西欧计算机公司 | Antenna for use with portable radio apparatus |
| CN1362755A (en) * | 2000-12-31 | 2002-08-07 | 富士康(昆山)电脑接插件有限公司 | Printed dipole antenna |
| TW200721600A (en) * | 2005-11-25 | 2007-06-01 | Yageo Corp | A composite monopole antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106785346A (en) * | 2015-11-25 | 2017-05-31 | 宏碁股份有限公司 | Mobile communication device |
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Application publication date: 20110615 |