CN102055073B - dipole type antenna - Google Patents
dipole type antenna Download PDFInfo
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- CN102055073B CN102055073B CN200910207985.4A CN200910207985A CN102055073B CN 102055073 B CN102055073 B CN 102055073B CN 200910207985 A CN200910207985 A CN 200910207985A CN 102055073 B CN102055073 B CN 102055073B
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- adjutage
- radiation arm
- type antenna
- radiant body
- dipole type
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Abstract
The invention provides a dipole type antenna which comprises a first radiating body and a second radiating body, wherein the first radiating body comprises a first radiating arm and a first extending arm, and the second radiating body comprises a second radiating arm and a second extending arm. During entity configuration, the first extending arm and the second extending arm are not mutually adjacent, and the first radiating arm and the second radiating arm are mutually parallel.
Description
Technical field
The invention relates to a kind of antenna, and particularly about a kind of dipole type antenna.
Background technology
Antenna is one of indispensable necessary member of radio communication device, and it concerns in the communication quality of radio communication device and applicable scope.Wherein, dipole antenna (dipole antenna) is a kind of antenna extensively being used.Fig. 1 is the structural representation of traditional dipole antenna.With reference to Fig. 1, dipole antenna 100 is mainly to consist of the L-type radiant body 110 of two symmetries and 120.In physical arrangements, L-type radiant body 110 and 120 adjutage 112 and 122 are adjacent one another are, and the radiation arm 111 of L-type radiant body 110 and 120 and 121 extends in the both sides of its adjutage 112 and 122.Whereby, if the antenna that arrow indicated of Fig. 1 is at certain flashy sense of current, two electric currents of flow through radiation arm 111 and 121 each other in the same way, and then cause dipole antenna 100 to produce towards broadside the radiation pattern to (broadside).
Yet, it should be noted that, general conventional L-type radiant body 110 and 120 radiation arm 111 and 121 length are 1/4th guide wavelengths (guided wavelength), therefore dipole antenna 100 will certainly occupy the hardware space of radio communication device significantly, and therefore can limit to some extent the design of its structure or profile.Therefore, how, in the situation that antenna is set, take into account hardware space and structure or the configuration design of radio communication device, be the large problem that radio communication device faces in design simultaneously.
Summary of the invention
The invention provides a kind of dipole type antenna, utilize the adjacent of two radiation arms with mutually side by side, reduce the length of antenna.
The present invention proposes a kind of dipole type antenna, comprises one first radiant body and one second radiant body.Wherein, the first radiant body comprises one first radiation arm and one first adjutage, and the second radiant body comprises one second radiation arm and one second adjutage.In addition, in physical arrangements, the first adjutage and the second adjutage are non-conterminous mutually, and the first radiation arm and the second radiation arm are mutually side by side.
In one embodiment of this invention, the first above-mentioned radiation arm and the second radiation arm at least one be configured between the first adjutage and the second adjutage.
In one embodiment of this invention, the first end of the first above-mentioned radiation arm is electrically connected the first adjutage, and the second end of the first radiation arm is with respect to the second adjutage.In addition, the first end of the second radiation arm is with respect to the first adjutage, and the second end of the second radiation arm is electrically connected the second adjutage.
In one embodiment of this invention, the first end of the first above-mentioned radiation arm is electrically connected the first adjutage, and the second end of the first radiation arm is with respect to the second adjutage.In addition, the first end of the second radiation arm is not with respect to the first adjutage, and the second end of the second radiation arm is electrically connected the second adjutage.
Based on above-mentioned, the present invention utilizes the adjacent of the first radiation arm and the second radiation arm in the first radiant body and the second radiant body and mutually side by side, reduces the length of dipole type antenna.Thus, in practical application, dipole type antenna of the present invention can reduce the spent hardware space of radio communication device, and cause dipole type antenna can more meet structure or the configuration design of radio communication device.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Fig. 1 is the structural representation of conventional dipole antenna.
Figure 2 shows that the structural representation according to the dipole type antenna of one embodiment of the invention.
Figure 3 shows that the structural representation according to the dipole type antenna of another embodiment of the present invention.
Figure 4 shows that the structural representation according to the dipole type antenna of further embodiment of this invention.
Figure 5 shows that the structural representation according to the dipole type antenna of yet another embodiment of the invention.
Fig. 6 and the structural representation of dipole type antenna that Figure 7 shows that to illustrate the kenel of difformity radiation arm.
Main element symbol description
100: dipole antenna
110,120:L type radiant body
112,122: adjutage
111,121: radiation arm
200,300,400,500: dipole type antenna
210,410: the first radiant bodies
220,420: the second radiant bodies
211,221,411,421: radiation arm
212,222,212 ', 412,413,422,423,412 ': adjutage
P21, P41: earth point
P22, P42: load point
A2, A4: broadside is to direction
Embodiment
In the following description, for presenting the consistency to explanation of the present invention, therefore in different embodiment, if there is the same or analogous element of function and structure can be by identical component symbol and title.
Figure 2 shows that the structural representation according to the dipole type antenna of one embodiment of the invention.With reference to Fig. 2, dipole type antenna 200 comprises one first radiant body 210 and one second radiant body 220.Wherein, the first radiant body 210 comprises a radiation arm 211 and an adjutage 212, and the second radiant body 220 comprises a radiation arm 221 and an adjutage 222.
In physical arrangements, with regard to the first radiant body 210, the first end of radiation arm 211 is electrically connected adjutage 212, and the second end of radiation arm 211 is with respect to the adjutage 222 of the second radiant body 220.On the other hand, with regard to the second radiant body 220, the first end of radiation arm 221 is with respect to the adjutage 212 of the first radiant body 210, and the second end of radiation arm 221 is electrically connected adjutage 222.Thus, with regard to the opposite position relation of the first radiant body 210 and the second radiant body 220, the radiation arm 211 of the first radiant body 210 and the second radiant body 220 and 221 mutually and come between adjutage 212 and adjutage 222.
Further, the label P21 in Fig. 2 and P22 are respectively in order to indicate earth point and the load point of dipole type antenna 200, and the arrow in Fig. 2 is in order to indicate antenna at certain flashy sense of current.At this, as shown in Figure 2, first radiant body 210 of flowing through is identical with the radiation arm 221 of the second radiant body 220 and 211 two current directions, therefore can cause dipole type antenna 200 to increase to the radiation pattern on (broadside) direction A2 towards the broadside of radiation arm 221 and 211, and then effectively strengthen the directive property (directivity) of antenna.Take portable electric device as example, above-mentioned two radiation arms have overlapping part in the horizontal direction, therefore at certain in a flash, the current direction of flowing through on two radiation arms is identical, therefore can make radiation pattern (radiation pattern) that hand-held device internal antenna produces towards vacancy, sky, in order to the collection of letters effect of GPS the best, and can strengthen directive property (directivity).
It is worth mentioning that, along with the lifting of the directive property of dipole type antenna 200, the transmission range of dipole type antenna 200 also will become farther thereupon.Relatively, dipole type antenna 200 can be widely used in all types of radio communication devices, for example: mobile phone, notebook computer (Notebook), global positioning system (Global Positioning System, GPS), super removable computer (Ultra Mobile PC, UMPC), net book (Network Linkable Notebook, Netbook), intelligence this (Smartbook) etc.Although the present embodiment has been enumerated the application kenel of dipole type antenna 200, it is not in order to limit the present invention.
In Fig. 2 embodiment, adjutage 212 is to extend upward to (broadside) direction A2 autoradiolysis arm 211 along broadside, adjutage 222 is along broadside to (broadside) direction A2 autoradiolysis arm 221 to downward-extension, to cause radiation arm 211 and 221 mutually and to come between adjutage 212 and adjutage 222.Yet in practical application, adjutage 212 also can adopt different extension modes to cause dipole type antenna 200 to reach the effect that strengthens directive property and foreshortened length.
For instance, Figure 3 shows that the structural representation according to the dipole type antenna of another embodiment of the present invention.With reference to Fig. 3, the Main Differences of the present embodiment and Fig. 2 embodiment is, the bearing of trend of the adjutage 212 ' of the first radiant body 210 in dipole type antenna 300.
Specifically, in Fig. 3 embodiment, the adjutage 212 ' of the first radiant body 210 is to (broadside) direction A2 autoradiolysis arm 211 to downward-extension along broadside.In other words, adjutage 212 ' and 222 is all along broadside to (broadside) direction A2 to downward-extension, therefore only there is radiation arm 211 to be configured between adjutage 212 ' and adjutage 222 in two radiation arms of dipole type antenna 300.On the other hand, similar to Fig. 2 embodiment, no matter adjutage 212 ' is upwards or to downward-extension, the radiation arm 211 of flowing through is all identical with 221 two current directions, therefore the broadside of dipole type antenna 300 can be so as to improving to directive property.In addition, the length of dipole type antenna 300 can being reduced by two radiation arms 211 and 221 mutually side by side and effectively.
Figure 4 shows that the structural representation according to the dipole type antenna of further embodiment of this invention.With reference to Fig. 4, dipole type antenna 400 comprises one first radiant body 410 and one second radiant body 420.Wherein, the first radiant body 410 comprises a radiation arm 411, an adjutage 412 and an adjutage 413, and the second radiant body 420 comprises a radiation arm 421, an adjutage 422 and an adjutage 423.
In physical arrangements, with regard to the first radiant body 410, the two ends of radiation arm 411 are electrically connected to respectively adjutage 412 and adjutage 413, and adjutage 413 is with respect to the adjutage 422 of the second radiant body 420.On the other hand, with regard to the second radiant body 420, the two ends of radiation arm 421 are electrically connected to respectively adjutage 422 and adjutage 423, and adjutage 423 is with respect to the adjutage 412 of the first radiant body 410.Moreover with regard to the opposite position relation of the first radiant body 410 and the second radiant body 420, two radiation arms 421 of the first radiant body 410 and the second radiant body 420 and 411 mutually and come between adjutage 412 and adjutage 422.
Further, the label P41 in Fig. 4 and P42 are respectively in order to indicate earth point and the load point of dipole type antenna 400, and the arrow in Fig. 4 is in order to indicate antenna in certain flashy sense of current.At this, as shown in Figure 4, first radiant body 410 of flowing through is identical with the radiation arm 421 of the second radiant body 420 and 411 two senses of current, thus can increase dipole type antenna 400 towards the broadside of radiation arm 421 and 411 to the radiation pattern on (broadside) direction A4.Moreover, be positioned at the electric current of radiation arm 421 and 411 both sides, namely flow through two electric currents of adjutage 412 and 423, and two electric currents of flow through adjutage 413 and 422, its sense of current be etc. to, therefore the radiation pattern of dipole type antenna 400, except broadside is originally to (broadside) direction, more can be expanded towards the left and right sides, will contribute to increase collection of letters quality and the scope of dipole type antenna 400.
It is worth mentioning that, the length of dipole type antenna 400 can being reduced by two radiation arms 421 and 411 mutually side by side and effectively.In addition,, compared with the first radiant body 210 in Fig. 2 embodiment and the second radiant body 220, the first radiant body 410 in Fig. 4 embodiment more has more an adjutage 413, and the second radiant body 420 more has more an adjutage 423.With reference to Fig. 2 and Fig. 4, the second end that the adjutage 413 in Fig. 4 is just equivalent to radiation arm 211 in Fig. 2 bends downwards along broadside to (broadside) direction A2 and forms simultaneously.Similarly, the first end that the adjutage in Fig. 4 423 is just equivalent to radiation arm 221 in Fig. 2 is upwards bending and forming along broadside to (broadside) direction A2.In other words, the length of dipole type antenna 400 also can be done further reduction by the configuration of adjutage 413 and 423, and then causes dipole type antenna 400 more to meet structure or the configuration design of radio communication device.
In addition, in Fig. 4 embodiment, adjutage 412 extends upward to (broadside) direction A4 autoradiolysis arm 411 along broadside, adjutage 422 is along broadside to (broadside) direction A4 autoradiolysis arm 421 to downward-extension, to cause radiation arm 421 and 411 mutually and to come between adjutage 412 and adjutage 422.Yet in practical application, adjutage 412 also can adopt different extension modes to cause dipole type antenna 400 to reach wider transceiving range and the effect of further foreshortened length.
For instance, Figure 5 shows that the structural representation according to the dipole type antenna of yet another embodiment of the invention.With reference to Fig. 5, the Main Differences of the present embodiment and Fig. 4 embodiment is, the bearing of trend of the adjutage 412 ' of the first radiant body 410 in dipole type antenna 500.
Specifically, in Fig. 5 embodiment, the adjutage 412 ' of the first radiant body 410 is to (broadside) direction A4 autoradiolysis arm 211 to downward-extension along broadside.In other words, adjutage 412 ' and 422 is all along broadside to (broadside) direction A4 to downward-extension, therefore only there is radiation arm 411 to be configured between adjutage 412 ' and adjutage 422 in two radiation arms of dipole type antenna 500.On the other hand, similar to Fig. 4 embodiment, no matter adjutage 412 ' is upwards or to downward-extension, flow through two electric currents of radiation arm 421 and 411, and two electric currents of flow through adjutage 413 and 422, its current direction is all identical, therefore the broadside of dipole type antenna 500 still can be so as to improving to (broadside) directive property, also can expand towards right side, will contribute to increase collection of letters quality and the scope of dipole type antenna 500 simultaneously.In addition, the length of dipole type antenna 500 can by two radiation arms 421 and 411 mutually side by side and the configuration of adjutage 413 and 423 and effectively being reduced.
It should be noted that the dipole type antenna that Fig. 2 to Fig. 5 embodiment is cited, its two radiation arm all presents linearity.Yet, in practical application, as shown in Figures 6 and 7, the dipole type antenna 200 of take in Fig. 2 at this is example, and two radiation arms 211 of dipole type antenna 200 and 221 can be for example wavy (wave type) or meander-like (meandered type).Whereby, the length of dipole type antenna 200 can be reduced further.Although the various embodiments described above have been enumerated the difform enforcement kenel of radiation arm, it is not in order to limit the present invention, and this area has knows that the knowledgeable can, according to the application characteristic of antenna, change arbitrarily the enforcement kenel of radiation arm conventionally.
In sum, the present invention be utilize two radiation arms in the first radiant body and the second radiant body mutually side by side, and two radiation arms have overlapping part in the horizontal direction, therefore at certain in a flash, the current direction of flowing through on two radiation arms is identical, therefore can increase towards skyward radiation pattern, and then improve the collection of letters effect of GPS, also can reduce the length of dipole type antenna simultaneously.Thus, in practical application, dipole type antenna of the present invention can reduce the spent hardware space of radio communication device, and cause dipole type antenna can more meet structure or the configuration design of radio communication device.
Although the present invention with embodiment openly as above; so it is not in order to limit the present invention; under any, in technical field, have and conventionally know the knowledgeable; without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion of defining depending on claims.
Claims (5)
1. a dipole type antenna, comprising:
One first radiant body, comprises one first radiation arm and one first adjutage; And
One second radiant body, comprises one second radiation arm and one second adjutage, and one end of this second adjutage is electrically connected this second radiation arm, and the other end of this second adjutage has a load point,
Wherein, this first adjutage and this second adjutage are non-conterminous mutually, and this first radiation arm and this second radiation arm are mutually side by side,
Wherein, this first radiant body also comprises one the 3rd adjutage, the two ends of this first radiation arm are electrically connected to respectively this first adjutage and the 3rd adjutage, the 3rd adjutage is with respect to this second adjutage, and the sense of current of the 3rd adjutage of flowing through is same as the sense of current of flow through this second adjutage and this load point, with the electric current of the electric current by the 3rd adjutage of flowing through and flow through this second adjutage and this load point, expand the radiation pattern of this dipole type antenna.
2. dipole type antenna according to claim 1, wherein this first radiation arm and this second radiation arm at least one be configured between this first adjutage and this second adjutage.
3. dipole type antenna according to claim 1, wherein this second radiant body also comprises one the 4th adjutage, and the two ends of this second radiation arm are electrically connected to respectively this second adjutage and the 4th adjutage, and the 4th adjutage is with respect to this first adjutage.
4. dipole type antenna according to claim 1, wherein this second radiant body also comprises one the 4th adjutage, and the two ends of this second radiation arm are electrically connected to respectively this second adjutage and the 4th adjutage, the 4th adjutage is not with respect to this first adjutage.
5. dipole type antenna according to claim 1, wherein this first radiation arm and this second radiation arm present linearity, wavy or meander-like.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910207985.4A CN102055073B (en) | 2009-11-04 | 2009-11-04 | dipole type antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910207985.4A CN102055073B (en) | 2009-11-04 | 2009-11-04 | dipole type antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102055073A CN102055073A (en) | 2011-05-11 |
| CN102055073B true CN102055073B (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910207985.4A Expired - Fee Related CN102055073B (en) | 2009-11-04 | 2009-11-04 | dipole type antenna |
Country Status (1)
| Country | Link |
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| CN (1) | CN102055073B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106684576A (en) * | 2016-12-28 | 2017-05-17 | 北京安拓思科技有限责任公司 | Mini-size circularly polarized antenna |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285626A (en) * | 1999-08-24 | 2001-02-28 | 兰茨斯塔国际公司 | Asymmetric dipole antenna assembly |
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled multi-band antenna |
-
2009
- 2009-11-04 CN CN200910207985.4A patent/CN102055073B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1285626A (en) * | 1999-08-24 | 2001-02-28 | 兰茨斯塔国际公司 | Asymmetric dipole antenna assembly |
| CN1669182A (en) * | 2002-09-10 | 2005-09-14 | 弗拉克托斯股份有限公司 | Coupled multi-band antenna |
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| Publication number | Publication date |
|---|---|
| CN102055073A (en) | 2011-05-11 |
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Granted publication date: 20141015 Termination date: 20211104 |
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| CF01 | Termination of patent right due to non-payment of annual fee |