CN104332698A - Monopole antenna with parasitic elements - Google Patents
Monopole antenna with parasitic elements Download PDFInfo
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- CN104332698A CN104332698A CN201410324820.6A CN201410324820A CN104332698A CN 104332698 A CN104332698 A CN 104332698A CN 201410324820 A CN201410324820 A CN 201410324820A CN 104332698 A CN104332698 A CN 104332698A
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Abstract
A monopole antenna with parasitic elements comprises an antenna body and a rubber bracket. The antenna body comprises a first antenna body and a second antenna body. The first antenna body comprises the components of a first body transverse radiating part which is provided with a first transverse radiating unit, and a first vertical part with a feeding unit. The second antenna body comprises a second body transverse radiating part with a first gap, and a second vertical part with a grounding unit. The rubber bracket comprises a bracket transverse part. The first body transverse radiating part and the second body transverse radiating part are respectively fixed on the transverse part of the bracket. A first gap is arranged between the first body transverse radiating part and the second body transverse radiating part. According to the monopole antenna of the invention, on condition that a large metal connector exists in an adjacent area of an antenna projection area, a coexistence problem between a large metal device and the monopole antenna can be well settled. Not only can antenna bandwidth widened, but also antenna sensitivity is improved. In same environments, the monopole antenna has better performance than a prior-art antenna.
Description
[
technical field]
The present invention relates to antenna, particularly relate to unipole antenna, particularly relate to the unipole antenna of band parasitic element.
[
background technology]
Along with constantly popularizing of the 3G communication technology, increasing technical grade mobile wireless data terminal also brings into use 3G communication function to carry out transfer of data, and the increase of these functions will inevitably cause the expansion of antenna frequency band and the increase of structure complexity.Market gets more and more to the functional requirement of technical grade wireless data terminal simultaneously, end product also can increase submodule accordingly and carry out practical function, these submodules are all much metal ingredients, and lean on very near with antenna, and this brings very large challenge to Antenna Design undoubtedly.
The antenna that prior art is used for data terminal comprises planar inverted-F antenna and unipole antenna.Planar inverted-F antenna for area and requirement for height higher, area and height deficiency it can be made not reach corresponding bandwidth.Unipole antenna high band bandwidth is relatively wider, is more suitable for the application of 3G, but very large to its bandwidth contributions at the large metal device of antenna projected area adjacent domain.
[
summary of the invention]
The technical problem to be solved in the present invention is avoid above-mentioned the deficiencies in the prior art part and provide a kind of unipole antenna with parasitic element, solve the problem that large metal device affects unipole antenna high frequency bandwidth, even if when antenna projected area adjacent domain has large metal device, all can solve the problem that large metal device and unipole antenna coexist, the beamwidth of antenna can not only be widened, antenna sensitivity is also made to improve, under same environment, than prior art antenna, there is more excellent performance, ensure that the performance for wireless communications that mobile data terminal is good.
The technical scheme that the present invention solve the technical problem employing is:
A kind of unipole antenna with parasitic element is provided, comprises the plastic rubber bracket of antenna body and this antenna body of carrying adopting metal material to make; Described antenna body comprises the first antenna body adopting metal material to make and the second antenna body adopting metal material to make; Described first antenna body is inverted L shape, the first rise part comprising the first main body lateral radiation portion and connect with this first main body lateral radiation portion, described first main body lateral radiation portion and the first rise part form inverted L shape, described first rise part lower end is provided with feed element, wedge angle protuberance is outwards provided with on first longitudinal side in the described first main body lateral radiation portion of described first rise part, this wedge angle protuberance is the first lateral radiation unit in described first main body lateral radiation portion, and the angle that these the first lateral radiation unit two sides are formed is acute angle; The second rise part that described second antenna body comprises the second main body lateral radiation portion and connects with this second main body lateral radiation portion, described second main body lateral radiation portion and the second rise part form inverted L shape, described second rise part lower end is provided with ground unit, second main body lateral radiation portion of described second antenna body is provided with first breach suitable with the first lateral radiation unit in the first main body lateral radiation portion of described first antenna body accordingly, and the angle that these the first breach two sides are formed also is acute angle; Described plastic rubber bracket comprises the support transverse part in carrying the first main body lateral radiation portion of described first antenna body and the second main body lateral radiation portion of the second antenna body; First main body lateral radiation portion of described first antenna body and the second main body lateral radiation portion of the second antenna body close to each other but be separately fixed on the support transverse part of described plastic rubber bracket non-contiguously, gap is had between described first antenna body and the second antenna body, this gap comprises the first gap between the first main body lateral radiation portion of described first antenna body and the second main body lateral radiation portion of the second antenna body, and this first gap is not more than 1 millimeter.
The support transverse part of described plastic rubber bracket is provided with multiple projection; Accordingly, the first main body lateral radiation portion of described first antenna body and the second main body lateral radiation portion of the second antenna body are respectively equipped with multiple first through hole and multiple second through hole; Each first through hole and each second through hole to be enclosed within each projection hot melt accordingly after on each projection thus the second main body lateral radiation portion of the first main body lateral radiation portion of described first antenna body and the second antenna body are separately fixed on the support transverse part of described plastic rubber bracket.
Height after each projection hot melt is no more than 0.35 millimeter.
Described plastic rubber bracket also comprises the support rise part connected with described support transverse part, and described support transverse part and support rise part form inverted L shape; After on the support transverse part that first main body lateral radiation portion of described first antenna body and the second main body lateral radiation portion of the second antenna body are separately fixed at described plastic rubber bracket, the first rise part of described first antenna body and the second rise part of the second antenna body come close to or in contact with the support rise part of described plastic rubber bracket respectively.
The support rise part lower end of described plastic rubber bracket is provided with the separated division board of ground unit by the feed element of the first rise part lower end of described first antenna body and the second rise part lower end of described second antenna body.
First main body lateral radiation portion of described first antenna body is provided with two the first strip cross through hole and the second strip cross through hole be parallel to each other, and be provided with two the first billet shape longitudinal holes be parallel to each other and the second billet shape longitudinal hole, described first strip cross through hole is than first rise part of described second strip cross through hole away from described first antenna body, described first billet shape longitudinal hole is than described second billet shape longitudinally logical the first rise part away from described first antenna body, described first billet shape longitudinal hole is connected with the second strip cross through hole with described first strip cross through hole respectively, described second billet shape longitudinal hole is connected with described second strip cross through hole, and first transverse side in the first main body lateral radiation portion of described first antenna body near described first rise part cuts off by this second billet shape longitudinal hole, this first transverse side is divided into two parts, described first strip cross through hole, the first billet shape longitudinal hole and the second strip cross through hole form the second lateral radiation unit in described first main body lateral radiation portion, described first strip cross through hole, the first billet shape longitudinal hole, the second strip cross through hole, the second billet shape longitudinal hole, be cut to two-part the first transverse side away from described first rise part, second longitudinal side away from described first rise part and the second transverse side away from described first rise part by described second billet shape longitudinal hole form a 3rd lateral radiation unit away from described first rise part in described first main body lateral radiation portion.The angle of the second lateral radiation unit and the adjacent two sides of the 3rd lateral radiation unit free end is separately all right angle.
Described second antenna body also comprises the 3rd rise part connected with described second main body lateral radiation portion.
The first gap between first main body lateral radiation portion of described first antenna body and the second main body lateral radiation portion of the second antenna body is between 0.4 ~ 0.7 millimeter.
Adopt the structure of unipole antenna of the present invention, described unipole antenna makes the electromagnetic wave resonance of multiple wave band, and the frequency band of described electromagnetic wave resonance wave band comprises 880MHz ~ 960MHz, 1710 MHz ~ 1920 MHz and 2010 MHz ~ 2025 MHz.Specifically, the 3rd lateral radiation unit in the first main body lateral radiation portion of described first antenna body produces low-frequency resonant, the frequency band of this resonance wave band is between 880MHz ~ 960MHz, cover EGSM frequency range, EGSM is the abbreviation of English Enhanced Global System for Mobile Communications, and its Chinese is meant to " enhancement mode global system for mobile communications "; The second lateral radiation unit in the first main body lateral radiation portion of described first antenna body produces the A frequency band resonance of TD-SCDMA, the frequency band of this resonance wave band is between 2010 MHz ~ 2025 MHz GHz, TD-SCDMA is the abbreviation of English Time Division-Synchronous Code Division Multiple Access, its Chinese is meant to " TD SDMA ", the 3G (Third Generation) Moblie standard that China proposes; The first lateral radiation unit in the first main body lateral radiation portion of described first antenna body carries out parasitic coupling effect by the first gap and the second antenna body, parasitic couplings goes out the resonance of covering 1710 MHz ~ 1920 MHz, contain the F-band (1880 MHz ~ 1920 MHz) of DCS frequency range (1710 MHz ~ 1880 MHz) and TD-SCDMA, DCS is the abbreviation of English " Digital Cellular System ", and its Chinese is meant to " Digital Cellular System ".
Compared with the existing technology comparatively, the beneficial effect of the unipole antenna of band parasitic element of the present invention is:
One, because inventive antenna main body comprises two independently the first antenna body and the second antenna bodies, and first antenna body and the second antenna body be fixed on after on plastic rubber bracket and have certain gap, first antenna body is as the main radiating element contacted with distributing point, and the second antenna body is the manifold type parasitic element contacted with earth point, two the first antenna bodies and the second antenna body form a global radiation unit, the resonance that three bandwidth do not wait can be to produced, these resonance can just cover EGSM, DCS, the working frequency range of TD-SCDMA, even if when there is large metal device below described unipole antenna, unipole antenna of the present invention can realize three above-mentioned bandwidth, and prior art planar inverted-F antenna and prior art unipole antenna are difficult to realize such bandwidth,
Two, further, owing to employing manifold type parasitic element i.e. the second antenna body contacted with earth point, parasitic couplings can mainly cover 1710MHz ~ 1920MHz frequency band, thus make high frequency major part avoid the impact of large metal connector device, and the A frequency range (2010MHz-2025MHz) of TD-SCDMA is even if radiant body is above large metal device, because its bandwidth is narrower, also can be easy to cover, the technology of the most high band of the antenna that this and prior art passive antenna produce is just in time contrary; Under environment of the same race, the TD-SCDMA power of the TD-SCDMA power ratio prior art unipole antenna of unipole antenna of the present invention wants high, and sensitivity also wants high.
In sum, adopt unipole antenna of the present invention, solve the problem that large metal device affects unipole antenna high frequency bandwidth, even if when antenna projected area adjacent domain has large metal device, all can solve the problem that large metal device and unipole antenna coexist, can not only the beamwidth of antenna be widened, also make antenna sensitivity improve, under same environment, than prior art antenna, there is more excellent performance, ensure that the performance for wireless communications that mobile data terminal is good.
[
accompanying drawing explanation]
Fig. 1 is the axonometric projection schematic diagram of the unipole antenna of band parasitic element of the present invention;
Fig. 2 is the orthographic projection schematic top plan view of described unipole antenna;
Fig. 3 is the orthographic projection schematic front view of described unipole antenna;
Fig. 4 is the axonometric projection schematic diagram of the plastic rubber bracket of described unipole antenna;
Fig. 5 is the axonometric projection schematic diagram of the first antenna body of described unipole antenna;
Fig. 6 is the axonometric projection schematic diagram of the second antenna body of described unipole antenna;
Fig. 7 is return loss (Return Loss) figure of described unipole antenna, and abscissa represents frequency, and ordinate represents return loss value.
[embodiment]
Below in conjunction with each accompanying drawing, the present invention is described in further detail.
See Fig. 1 to Fig. 6, the present invention relates to a kind of unipole antenna with parasitic element, comprise the plastic rubber bracket 10 of antenna body 20 and this antenna body 20 of carrying adopting metal material to make, described antenna body 20 comprises the first antenna body 21 adopting metal material to make and the second antenna body 22 adopting metal material to make, described first antenna body 21 is in inverted L shape, the first rise part 212 comprising the first main body lateral radiation portion 211 and connect with this first main body lateral radiation portion 211, described first main body lateral radiation portion 211 and the first rise part 212 form inverted L shape, described first rise part 212 lower end is provided with feed element 2121, wedge angle protuberance is outwards provided with on first longitudinal side 2011 in the described first main body lateral radiation portion 211 of described first rise part 212, this wedge angle protuberance is the first lateral radiation unit 2119 in described first main body lateral radiation portion 211, the angle A that these the first lateral radiation unit 2119 two sides are formed is acute angle, the second rise part 222 that described second antenna body 22 comprises the second main body lateral radiation portion 221 and connects with this second main body lateral radiation portion 221, described second main body lateral radiation portion 221 and the second rise part 222 form inverted L shape, described second rise part 222 lower end is provided with ground unit 2221, second main body lateral radiation portion 221 of described second antenna body 22 is provided with first breach 2219 suitable with the first lateral radiation unit 2119 in the first main body lateral radiation portion 211 of described first antenna body 21 accordingly, the angle B that these the first breach 2219 two sides are formed also is acute angle, described plastic rubber bracket 10 comprises the support transverse part 11 in carrying the first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22, first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22 close to each other but be separately fixed on the support transverse part 11 of described plastic rubber bracket 10 non-contiguously, first breach 2219 in the first lateral radiation unit 2119 in the first main body lateral radiation portion 211 of wherein said first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22 is close to each other, the first rise part 212 of described first antenna body 21 and the second rise part 222 of the second antenna body 22 close to each other, gap is had between described first antenna body 21 and the second antenna body 22, this gap comprises the first gap 30 between the first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22, and this first gap 30 is not more than 1 millimeter, described gap also comprises the second gap 40 between the first rise part 212 upper end of described first antenna body 21 and the second rise part 222 upper end of the second antenna body 22, and the third space 50 between the first rise part 212 lower end feed element 2121 of described first antenna body 21 and the second rise part 222 lower end ground unit 2221 of the second antenna body 22.
See Fig. 1 to Fig. 6, the support transverse part 11 of described plastic rubber bracket 10 is provided with multiple projection 111; Accordingly, the first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22 are respectively equipped with multiple first through hole 2111 and multiple second through hole 2211; Each first through hole 2111 and each second through hole 2211 to be enclosed within each projection 111 hot melt accordingly after on each projection 111 thus the first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22 are separately fixed on the support transverse part 11 of described plastic rubber bracket 10.
See Fig. 3, the height H after each projection 111 hot melt is no more than 0.35 millimeter.
See Fig. 1 and Fig. 3 to Fig. 6, described plastic rubber bracket 10 also comprises the support rise part 12 connected with described support transverse part 11, and described support transverse part 11 forms inverted L shape with support rise part 12; After on the support transverse part 11 that first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22 are separately fixed at described plastic rubber bracket 10, the first rise part 212 of described first antenna body 21 and the second rise part 222 of the second antenna body 22 come close to or in contact with the support rise part 12 of described plastic rubber bracket 10 respectively.
See Fig. 1 and Fig. 4 to Fig. 6, support rise part 12 lower end of described plastic rubber bracket 10 is provided with the separated division board 121 of ground unit 2221 by the feed element 2121 of the first rise part 212 lower end of described first antenna body 21 and the second rise part 222 lower end of described second antenna body 22.
See Fig. 1, Fig. 2 and Fig. 5, first main body lateral radiation portion 211 of described first antenna body 21 is provided with two the first strip cross through hole 2112 and the second strip cross through hole 2113 be parallel to each other, and be provided with two the first billet shape longitudinal hole 2114 and the second billet shape longitudinal holes 2115 be parallel to each other, described first strip cross through hole 2112 is than first rise part 212 of described second strip cross through hole 2113 away from described first antenna body 21, described first billet shape longitudinal hole 2114 is than first rise part 212 of described second billet shape longitudinal hole 2115 away from described first antenna body 21, described first billet shape longitudinal hole 2114 is connected with the second strip cross through hole 2113 with described first strip cross through hole 2112 respectively, described second billet shape longitudinal hole 2115 is connected with described second strip cross through hole 2113, and first transverse side 2012 in the first main body lateral radiation portion 211 of described first antenna body 21 near described first rise part 212 cuts off by this second billet shape longitudinal hole 2115, this first transverse side 2012 is divided into two parts, described first strip cross through hole 2112, first billet shape longitudinal hole 2114 and the second strip cross through hole 2113 form the second lateral radiation unit 2116 in described first main body lateral radiation portion 211, described first strip cross through hole 2112, first billet shape longitudinal hole 2114, second strip cross through hole 2113, second billet shape longitudinal hole 2115, two-part the first transverse side 2012 away from described first rise part 212 is cut to by described second billet shape longitudinal hole 2115, second longitudinal side 2013 away from described first rise part 212 and the second transverse side 2014 away from described first rise part 212 form a 3rd lateral radiation unit 2117 away from described first rise part 212 in described first main body lateral radiation portion 211, described second strip cross through hole 2113, second billet shape longitudinal hole 2115 and be cut to the 4th lateral radiation unit 2118 that two-part the first transverse side 2012 near described first rise part 212 forms close described first rise part 212 in described first main body lateral radiation portion 211 by described second billet shape longitudinal hole 2115.The angle of the adjacent two sides of free end that the second lateral radiation unit 2116, the 3rd lateral radiation unit 2117 and the 4th lateral radiation unit 2118 are respective is all right angle.3rd lateral radiation unit 2117 length is the longest, than the first lateral radiation unit 2119, second lateral radiation unit 2116 and the 4th lateral radiation unit 2118 all long.
See Fig. 1 and Fig. 6, described second antenna body 22 also comprises the 3rd rise part 223 connected with described second main body lateral radiation portion 221, by the restriction of installation dimension, in order to increase by the second main body lateral radiation portion 221 size, specially adding the 3rd rise part the 223, three rise part 223 can be arc.If the second main body lateral radiation portion 221 size is enough large, also can the 3rd rise part 223.
See Fig. 1 and Fig. 3 to Fig. 6, certain described plastic rubber bracket 10 yet comprises the 3rd that connect with described support transverse part 11, suitable with the 3rd rise part 223 in the second main body lateral radiation portion 221 of described second antenna body 22 support rise part 13; After on the support transverse part 11 that second main body lateral radiation portion 221 of described second antenna body 22 is separately fixed at described plastic rubber bracket 10, the 3rd rise part 223 in the second main body lateral radiation portion 221 of described second antenna body 22 comes close to or in contact with the 3rd support rise part 13 of described plastic rubber bracket 10.
See Fig. 1 and Fig. 2, the first gap 30 between the first main body lateral radiation portion 211 of described first antenna body 21 and the second main body lateral radiation portion 221 of the second antenna body 22 is between 0.4 ~ 0.7 millimeter.
See Fig. 7, adopt the structure of unipole antenna of the present invention, described unipole antenna makes the electromagnetic wave resonance of multiple wave band, and the frequency band of described electromagnetic wave resonance wave band comprises 880MHz ~ 960MHz, 1710 MHz ~ 1920 MHz and 2010 MHz ~ 2025 MHz.
See Fig. 1 to Fig. 6, unipole antenna of the present invention is fixing on a printed circuit board by the both sides buckle 14,15 of plastic rubber bracket 10 lower end, the feed element 2121 of the first rise part 212 lower end of the first antenna body 21 is electrically connected with the distributing point on printed circuit board, and this distributing point is generally connected with the prevention at radio-frequency port of mobile data terminal mainboard; And the ground unit 2221 of the second rise part 222 lower end of the second antenna body 22 is electrically connected with the earth point on printed circuit board, this earth point is generally connected with the ground on mobile data terminal mainboard surface.First antenna body 21 is the main radiating elements contacted with distributing point, and the second antenna body 22 is the manifold type parasitic element contacted with earth point, and the first antenna body 21 and the second antenna body 22 form a global radiation unit.Unipole antenna of the present invention is generally built in product device used or equipment, is mainly used in mobile data terminal, especially for the 3G mobile data terminal of TD-SCDMA standard.
Illustrate that described unipole antenna can make the electromagnetic wave resonance of multiple wave band with unipole antenna of the present invention most preferred embodiment below.See Fig. 1, Fig. 2 and Fig. 5 to Fig. 7, the 3rd lateral radiation unit 2117 in the first main body lateral radiation portion 211 of described first antenna body 21 produces low-frequency resonant, and the frequency band of this resonance wave band, between 880MHz ~ 960MHz, covers EGSM frequency range; The second lateral radiation unit 2116 in the first main body lateral radiation portion 211 of described first antenna body 21 produces the A frequency band resonance of TD-SCDMA, and the frequency band of this resonance wave band is between 2010 MHz ~ 2025 MHz GHz; The first lateral radiation unit 2119 in the first main body lateral radiation portion 211 of described first antenna body 21 carries out parasitic coupling effect by the first gap 30 and the second antenna body 22, parasitic couplings goes out the resonance of covering 1710 MHz ~ 1920 MHz, contains the F-band (1880 MHz ~ 1920 MHz) of DCS frequency range (1710 MHz ~ 1880 MHz) and TD-SCDMA.Also can find out from the figure of the return loss (Return Loss) of the unipole antenna of the present invention of Fig. 7, unipole antenna of the present invention is respectively when 880MHz ~ 960MHz, 1710 MHz ~ 1920 MHz and 2010 MHz ~ 2025 MHz frequency band work, all there is the loss of below-5dB, all meet the requirement to antenna in wireless telecommunications system.
The above embodiment only have expressed the preferred embodiment of the present invention, and it describes comparatively concrete and detailed, but therefore can not be interpreted as the restriction to the scope of the claims of the present invention; It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention; Therefore, all equivalents of doing with the claims in the present invention scope and modification, all should belong to the covering scope of the claims in the present invention.
Claims (10)
1. the unipole antenna with parasitic element, comprises the plastic rubber bracket (10) of antenna body (20) and this antenna body of the carrying (20) adopting metal material to make; It is characterized in that:
Described antenna body (20) comprises the first antenna body (21) adopting metal material to make and the second antenna body (22) adopting metal material to make, described first antenna body (21) is in inverted L shape, the first rise part (212) comprising the first main body lateral radiation portion (211) and connect with this first main body lateral radiation portion (211), described first rise part (212) lower end is provided with feed element (2121), wedge angle protuberance is outwards provided with on first longitudinal side (2011) in the described first main body lateral radiation portion (211) of described first rise part (212), this wedge angle protuberance is the first lateral radiation unit (2119) in described first main body lateral radiation portion (211), the angle (A) that these the first lateral radiation unit (2119) two sides are formed is acute angle, the second rise part (222) that described second antenna body (22) comprises the second main body lateral radiation portion (221) and connects with this second main body lateral radiation portion (221), described second main body lateral radiation portion (221) and the second rise part (222) form inverted L shape, described second rise part (222) lower end is provided with ground unit (2221), second main body lateral radiation portion (221) of described second antenna body (22) is provided with first breach (2219) suitable with the first lateral radiation unit (2119) in the first main body lateral radiation portion (211) of described first antenna body (21) accordingly, the angle (B) that these the first breach (2219) two sides are formed also is acute angle,
Described plastic rubber bracket (10) comprises the support transverse part (11) in carrying the first main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22);
First main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22) close to each other but be separately fixed on the support transverse part (11) of described plastic rubber bracket (10) non-contiguously, gap is had between described first antenna body (21) and the second antenna body (22), this gap comprises the first gap (30) between the first main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22), this first gap (30) is not more than 1 millimeter.
2. the unipole antenna of band parasitic element according to claim 1, is characterized in that:
The support transverse part (11) of described plastic rubber bracket (10) is provided with multiple projection (111); Accordingly, the first main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22) are respectively equipped with multiple first through hole (2111) and multiple second through hole (2211); Each first through hole (2111) and each second through hole (2211) be enclosed within accordingly each projection (111) upper after the first main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22) are separately fixed on the support transverse part (11) of described plastic rubber bracket (10) each projection (111) hot melt.
3. the unipole antenna of band parasitic element according to claim 2, is characterized in that:
Height (H) after each projection (111) hot melt is no more than 0.35 millimeter.
4. the unipole antenna of band parasitic element according to claim 1, is characterized in that:
Described plastic rubber bracket (10) also comprises the support rise part (12) connected with described support transverse part (11), and described support transverse part (11) and support rise part (12) form inverted L shape; First main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22) be separately fixed at the support transverse part (11) of described plastic rubber bracket (10) upper after, first rise part (212) of described first antenna body (21) and second rise part (222) of the second antenna body (22) come close to or in contact with the support rise part (12) of described plastic rubber bracket (10) respectively.
5. the unipole antenna of band parasitic element according to claim 4, is characterized in that:
Support rise part (12) lower end of described plastic rubber bracket (10) is provided with ground unit (2221) the separated division board (121) of the feed element (2121) of the first rise part (212) lower end of described first antenna body (21) with the second rise part (222) lower end of described second antenna body (22).
6. the unipole antenna of band parasitic element according to claim 1, is characterized in that:
First main body lateral radiation portion (211) of described first antenna body (21) is provided with two the first strip cross through hole (2112) and the second strip cross through hole (2113) be parallel to each other, and be provided with two the first billet shape longitudinal holes (2114) and the second billet shape longitudinal hole (2115) be parallel to each other, described first strip cross through hole (2112) is than first rise part (212) of described second strip cross through hole (2113) away from described first antenna body (21), described first billet shape longitudinal hole (2114) is than first rise part (212) of described second billet shape longitudinal hole (2115) away from described first antenna body (21), described first billet shape longitudinal hole (2114) is connected with the second strip cross through hole (2113) with described first strip cross through hole (2112) respectively, described second billet shape longitudinal hole (2115) is connected with described second strip cross through hole (2113), and the first transverse side (2012) near the first main body lateral radiation portion (211) of described first antenna body (21) of described first rise part (212) cuts off by this second billet shape longitudinal hole (2115), this first transverse side is divided into two parts, described first strip cross through hole (2112), the first billet shape longitudinal hole (2114) and the second strip cross through hole (2113) be upper formation second lateral radiation unit (2116) in described first main body lateral radiation portion (211), described first strip cross through hole (2112), first billet shape longitudinal hole (2114), second strip cross through hole (2113), second billet shape longitudinal hole (2115), two-part the first transverse side (2012) away from described first rise part (212) is cut to by described second billet shape longitudinal hole (2115), second longitudinal side (2013) away from described first rise part (212) and the second transverse side (2014) away from described first rise part (212) go up the three lateral radiation unit (2117) of formation one away from described first rise part (212) in described first main body lateral radiation portion (211).
7. the unipole antenna of band parasitic element according to claim 6, is characterized in that:
Described unipole antenna makes the electromagnetic wave resonance of multiple wave band, and the frequency band of described electromagnetic wave resonance wave band comprises 880MHz ~ 960MHz and 2010 MHz ~ 2025 MHz.
8. the unipole antenna of band parasitic element according to claim 1, is characterized in that:
Described second antenna body (22) also comprises the 3rd rise part (223) connected with described second main body lateral radiation portion (221).
9. the unipole antenna of the band parasitic element according to claim 1 ~ 8 to any one, is characterized in that:
The first gap (30) between first main body lateral radiation portion (211) of described first antenna body (21) and the second main body lateral radiation portion (221) of the second antenna body (22) is between 0.4 ~ 0.7 millimeter.
10. the unipole antenna of band parasitic element according to claim 9, is characterized in that:
Described unipole antenna makes the electromagnetic wave resonance of multiple wave band, and the frequency band of described electromagnetic wave resonance wave band comprises 1710 MHz ~ 1920 MHz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410324820.6A CN104332698B (en) | 2014-07-09 | 2014-07-09 | Monopole antenna with parasitic elements |
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| CN201410324820.6A CN104332698B (en) | 2014-07-09 | 2014-07-09 | Monopole antenna with parasitic elements |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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Also Published As
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| CN104332698B (en) | 2017-02-15 |
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