CN202050048U - Antenna device and mobile terminal - Google Patents
Antenna device and mobile terminal Download PDFInfo
- Publication number
- CN202050048U CN202050048U CN 201020616728 CN201020616728U CN202050048U CN 202050048 U CN202050048 U CN 202050048U CN 201020616728 CN201020616728 CN 201020616728 CN 201020616728 U CN201020616728 U CN 201020616728U CN 202050048 U CN202050048 U CN 202050048U
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- CN
- China
- Prior art keywords
- period
- time
- printing
- gradual change
- pcb substrate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/16—Resonant antennas with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
- H01Q9/28—Conical, cylindrical, cage, strip, gauze, or like elements having an extended radiating surface; Elements comprising two conical surfaces having collinear axes and adjacent apices and fed by two-conductor transmission lines
- H01Q9/285—Planar dipole
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
Abstract
The utility model provides an antenna device and a mobile terminal. The antenna device comprises a PCB (Printed Circuit Board) substrate, wherein the PCB substrate is provided with a gradient directing vibrator structure, a secondary coupling radiation chip and a radio frequency excitation port; the gradient directing vibrator structure is arranged on one side of the PCB substrate and is connected with the radio frequency excitation port; the secondary coupling radiation chip is arranged on the other side of the PCB substrate opposite to the side on which the gradient directing vibrator structure is arranged; and the secondary coupling radiation chip is connected with the tail ends at the two sections of the gradient directing vibrator structure. By adopting the technical scheme provided by the utility model, the volume required by the antenna is reduced, and ultra-thin design requirement of the terminal is more facilitated; the utilization rate of space is increased through the rational layout of the secondary coupling chip and a gradient directing vibrator; and the secondary coupling chip is excited by a two-section printing vibrator in the gradient directing vibrator and is coupled with the gradient directing vibrator, so that the frequency band characteristic is further expanded.
Description
Technical field
The utility model relates to the communications field, in particular to a kind of antenna assembly and mobile device.
Background technology
Along with mobile communication by the continuous evolution of the second generation to the third generation, can be simultaneously in two or more systems, the terminal equipment of a plurality of frequency range work is more and more general, as bimodulus, double standby mobile phone etc., simultaneously as 3G mobile, bright spot.When realizing multiband work, and for realizing multiple functions such as communication and transfer of data, for example additional GPS, BT, data service function such as WLAN, in the face of this demand, single-antenna technology realizes covering the work of 0.8GHz-2.5GHz ultra wideband omni-directional, not only save the device space and cost more, also help the microminiaturization and the ultra-thinization development trend of portable terminal simultaneously.
Existing all channel antenna technology mainly concentrates on PFIA, and in the improvement of antenna forms such as the IFA design, for example the maximum current point at paster adds short dot, is realizing having reduced the size of antenna under the dual frequency characteristics; Additional parasitic structure equally can widening frequency band; Increase notching construction, extension current path etc.,
The inventor finds such scheme in the correlation technique, along with increasing of mobile communication mode, the expansion of frequency band, and the demand of data service, above-mentioned improved procedure still is apparent not enough on bandwidth, the return loss of conventional terminal antenna as shown in Figure 1, can only work in two main communications bands, professional as BT to data, WLAN, GPS then can't use, and space length has further been compressed in parasitic introducing, be difficult in miniaturization, be achieved on the terminal of ultra-thinization, need the exploitation frequency band wideer, the antenna that adaptability is stronger is to satisfy the technical development demand of wireless communication terminal.At the problems referred to above, effective solution is not proposed as yet at present.
The utility model content
In correlation technique, the antenna technology frequency band is narrow partially, and size is bigger than normal, and cost is than problems such as height under many antenna scheme, and main purpose of the present utility model is to provide a kind of antenna assembly and mobile device, one of to address the above problem at least.
According to an aspect of the present utility model, the utility model provides a kind of antenna assembly, comprises the PCB substrate, and this PCB substrate is provided with gradual change and guides a period of time structure, secondary coupled radiation paster and RF excited port into; The one side that a period of time structure is arranged at the PCB substrate is guided in gradual change into, and links to each other with the RF excited port; Secondary coupled radiation paster is arranged at the another side that a period of time structure place face is guided in gradual change on the PCB substrate into, and secondary coupled radiation paster links to each other with two sections the end that a period of time structure is guided in gradual change into.
According to another aspect of the present utility model, the utility model provides a kind of portable terminal, and this moves and comprises antenna assembly, and wherein, this antenna assembly is above-described antenna assembly.
The utility model adopts a plurality of printing a period of time structures that gradual change guides a period of time in realization low frequency bandwidth, has reduced volume requiredly greatly, and its bandwidth do not have demand to the thickness of terminal, helps the designing requirement of ultra-thinization of terminal more; The rational deployment in a period of time is guided in secondary coupling paster and gradual change into, has improved utilization of space; Secondary coupling paster is guided the excitations in two periods printing a period of time in a period of time into by gradual change, and guides a period of time mutual coupling into gradual change, further broadening frequency bandwidth characteristics, realized ultra broadband (0.8GHz-2.5GHz) omnidirectional operating characteristic.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the return loss plot schematic diagram according to the conventional terminal antenna of correlation technique;
Fig. 2 is the antenna device arrangement schematic diagram according to the utility model embodiment;
Fig. 3 is the antenna gradual change a period of time structural representation according to the utility model preferred embodiment;
Fig. 4 is the secondary coupling paster structure schematic diagram according to the utility model preferred embodiment;
Fig. 5 is the return loss plot schematic diagram according to the antenna assembly of the utility model preferred embodiment;
Embodiment
Hereinafter will describe the utility model with reference to the accompanying drawings and in conjunction with the embodiments in detail.Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 2 is according to the utility model embodiment antenna device arrangement schematic diagram.As shown in Figure 2, this device comprises PCB substrate 1.
This PCB substrate 1 is provided with gradual change and guides a period of time structure 2, secondary coupled radiation paster 3 and RF excited port 4 into;
The one side that a period of time structure 2 is arranged at above-mentioned PCB substrate 1 is guided in above-mentioned gradual change into, and links to each other with above-mentioned RF excited port 4; Above-mentioned secondary coupled radiation paster 3 is arranged at the another side that a period of time structure 2 place faces are guided in above-mentioned gradual change on the above-mentioned PCB substrate 1 into, and this secondary coupled radiation paster 3 links to each other with two sections the end that a period of time structure 2 is guided in above-mentioned gradual change into.
Preferably, as shown in Figure 2, above-mentioned PCB substrate 1 is provided with metallic vias 5, and above-mentioned secondary coupled radiation paster 3 links to each other by this metallic vias 5 with two sections ends that a period of time structure 2 is guided in above-mentioned gradual change into.
Preferably, above-mentioned gradual change is guided a period of time structure 2 into and is comprised a plurality of printing a period of time, and wherein, described a plurality of printing a period of time link to each other by printing feeder line 6, described a plurality of printing a period of time from inside to outside length increase progressively successively, described printing feeder line links to each other with described RF excited port.Preferably, " recessed " shape of one or more being in above-mentioned a plurality of printing a period of time.Preferably, above-mentioned a plurality of printing a period of time are at least 3, between each described a plurality of printing a period of time spacing are arranged.
In preferred implementation process, as shown in Figure 3, above-mentioned gradual change is guided a period of time structure 2 into and can be made up of printing a period of time of 5 different lengths, and a plurality of printing a period of time can be realized wide band operating characteristic, and each prints a period of time length of interval is 20mm-64mm, width is 0.3-1mm, for guaranteeing effective space availability ratio, the spacing in 5 printing a period of time is 0.5-1.5mm, and 5 printing a period of time centers link to each other by a printing feeder line 6, the width of printing feeder line is 0.5-2mm, and links to each other with the PCB prevention at radio-frequency port.The 4th links to each other by metallic vias on the pcb board 5 and secondary coupling paster 3 with the end in the 5th printing a period of time, and for satisfying the low frequency bandwidth characteristic of antenna assembly, the number needs of printing a period of time is greater than 3.The quantity that it is pointed out that above-mentioned printing a period of time can reasonably increase or reduce according to actual needs.
As shown in Figure 4, the area of secondary coupling paster 3 is 80～320mm2, its size need satisfy can realize that guiding the 5th of a period of time structure 2 printing a period of time 8 into gradual change linked to each other by the metallic vias on the PCB substrate 15 with the 4th printing a period of time 7, and cannot with PCB substrate 1 cover that copper is regional to link to each other.
Preferably, above-mentioned printing feeder line 6 is connected with the centers in each described a plurality of printing a period of time, the experiment proved that the frequency bandwidth that this mode obtains is bigger than the frequency bandwidth that alternate manner obtains.
Preferably, the deposited copper zone on the above PCB substrate 1 is provided with empty regions, and the length and width of described empty regions are not less than the whole length and width that a period of time structure is guided in described gradual change into, and does not link to each other with described secondary coupling paster.Preferably, the area of described empty regions can be greater than the area of described secondary coupling paster.This design has effectively been utilized the long and thickness of slab of the plate of PCB substrate, has realized the durability in space.
In order to understand the advantage of the foregoing description better with respect to correlation technique, as shown in Figure 5, excitation by pcb board RF excited port 4, surface current is at first guided a period of time structure 2 into by gradual change, realize low frequency characteristic, two printing a period of time that while is guided a period of time structure 2 into owing to gradual change link to each other with secondary coupling paster 3, and exist certain voltage difference between two tie points, encouraged the TE10 mould of secondary coupling paster 3, satisfied the high frequency characteristics requirement, and further broadening frequency bandwidth characteristics, realized under 800MHz-900GHz, satisfy return loss less than-5dB, 900MHz-2.5GHz return loss is less than-7.5dB.
When concrete the application, the antenna assembly among above-mentioned each embodiment all can be applied in the portable terminal (for example, mobile phone), the utility model also provides a kind of portable terminal, comprise antenna assembly, wherein, this antenna assembly is the described antenna assembly of above-mentioned each embodiment.
Comprehensive the foregoing description, as can be seen, the foregoing description provides a kind of ultra wideband omni-directional terminal antenna technology, by research to radiation mechanism, realized that the ultra wideband omni-directional characteristic (has realized under 800MHz-900GHz, return loss is less than-5dB, 900MHz-2.5GHz return loss is less than-7.5dB,), individual antenna has satisfied in the existing mobile technology needed communication and data service fully to the requirement on electric performance of antenna, and gradual change guide into a period of time structure and secondary coupling paster can be directly by the photoetching of little band manufacture craft in the two sides of dielectric-slab, simple and reliable process, thereby can reduce cost, help realizing ultra-thinization and the miniaturization development of terminal.
The above is a preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (9)
1. an antenna assembly comprises the PCB substrate, it is characterized in that, described PCB substrate is provided with gradual change and guides a period of time structure, secondary coupled radiation paster and RF excited port into;
The one side that a period of time structure is arranged at described PCB substrate is guided in described gradual change into, and links to each other with described RF excited port;
Described secondary coupled radiation paster is arranged at the another side that a period of time structure place face is guided in described the above gradual change of PCB substrate into, and described secondary coupled radiation paster links to each other with two sections the end that a period of time structure is guided in described gradual change into.
2. device according to claim 1 is characterized in that, described PCB substrate is provided with metallic vias, and described secondary coupled radiation paster links to each other by described metallic vias with two sections ends that a period of time structure is guided in described gradual change into.
3. device according to claim 1 is characterized in that,
Described gradual change is guided a period of time structure into and is comprised a plurality of printing a period of time, and wherein, described a plurality of printing a period of time link to each other by the printing feeder line, described a plurality of printing a period of time from inside to outside length increase progressively successively, described printing feeder line links to each other with described RF excited port.
4. device according to claim 3 is characterized in that, described a plurality of printing a period of time are at least 3, between each described a plurality of printing a period of time spacing is arranged.
5. device according to claim 3 is characterized in that, described printing feeder line is connected with the center in each described a plurality of printing a period of time.
6. device according to claim 3 is characterized in that, " recessed " shape of one or more being in described a plurality of printing a period of time.
7. device according to claim 1 is characterized in that,
Deposited copper zone on the described PCB substrate is provided with empty regions, and the length and width of described empty regions are not less than the whole length and width that a period of time structure is guided in described gradual change into, and does not link to each other with described secondary coupling paster.
8. device according to claim 7 is characterized in that, the area of described empty regions is greater than the area of described secondary coupling paster.
9. a portable terminal comprises antenna assembly, it is characterized in that, described antenna assembly comprises each described antenna assembly among the claim 1-8.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020616728 CN202050048U (en) | 2010-11-19 | 2010-11-19 | Antenna device and mobile terminal |
| PCT/CN2011/075433 WO2012065429A1 (en) | 2010-11-19 | 2011-06-08 | Antenna device and mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020616728 CN202050048U (en) | 2010-11-19 | 2010-11-19 | Antenna device and mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202050048U true CN202050048U (en) | 2011-11-23 |
Family
ID=44990345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020616728 Expired - Lifetime CN202050048U (en) | 2010-11-19 | 2010-11-19 | Antenna device and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN202050048U (en) |
| WO (1) | WO2012065429A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017005542A1 (en) * | 2015-07-08 | 2017-01-12 | Arcelik Anonim Sirketi | A communication means and the household appliance wherein the same is used |
| WO2017005544A1 (en) * | 2015-07-08 | 2017-01-12 | Arcelik Anonim Sirketi | A communication means and the household appliance wherein the same is used |
| WO2017005543A1 (en) * | 2015-07-08 | 2017-01-12 | Arcelik Anonim Sirketi | A communication means and the household appliance wherein the same is used |
| WO2018001510A1 (en) * | 2016-07-01 | 2018-01-04 | Arcelik Anonim Sirketi | Electrical household appliance modular wireless communication adapter |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5416490A (en) * | 1993-07-16 | 1995-05-16 | The Regents Of The University Of Colorado | Broadband quasi-microstrip antenna |
| AU2001227851A1 (en) * | 2000-01-12 | 2001-07-24 | Emag Technologies L.L.C. | Low cost compact omni-directional printed antenna |
| CN101719591B (en) * | 2009-12-31 | 2012-12-05 | 天津职业技术师范大学 | Planer comb monopole antenna |
-
2010
- 2010-11-19 CN CN 201020616728 patent/CN202050048U/en not_active Expired - Lifetime
-
2011
- 2011-06-08 WO PCT/CN2011/075433 patent/WO2012065429A1/en active Application Filing
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| Publication number | Publication date |
|---|---|
| WO2012065429A1 (en) | 2012-05-24 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111123 |
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| CX01 | Expiry of patent term |