CN201682057U - Multifrequency antenna - Google Patents
Multifrequency antenna Download PDFInfo
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- CN201682057U CN201682057U CN 201020167582 CN201020167582U CN201682057U CN 201682057 U CN201682057 U CN 201682057U CN 201020167582 CN201020167582 CN 201020167582 CN 201020167582 U CN201020167582 U CN 201020167582U CN 201682057 U CN201682057 U CN 201682057U
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Abstract
The utility model discloses a multifrequency antenna which comprises a grounding part, a unipolar antenna and a parasitic line, wherein the unipolar antenna is provided with a first part and a second part, one end of the first part is connected at the second part, and the other end of the first part is provided with a feeding part; two ends of the second part are respectively a first radiating end and a second radiating end, and frequency band range of the first radiating end is different from that of the second radiating end; and the parasitic line is provided with a third part and a fourth part, the third part is adjacent to the second part and provided with a third radiating end, one end of the fourth part is connected at one end of the third part, and the other end of the fourth part is connected with the grounding part, wherein the frequency band range of the third radiating end is different from that of the first radiating end and the second radiating end, so as to achieve the purpose that the antenna has multifrequency transceiving capability.
Description
Technical field
The utility model relates to a kind of antenna, particularly a kind of multiple frequency antenna structure.
Background technology
Along with the wireless telecommunications development of science and technology, the user can not limited by landform, utilize wireless telecommunication system to carry out message transmission, the feasible electronic product that utilizes wireless communication technique, for example mobile computer (notebookcomputer), mobile phone, personal digital assistant (personal digital assistant, PDA) etc. the quantity and the kind of portable electronic devices grow with each passing day, and the antenna that is used for receiving and dispatching electromagnetic wave signal promptly becomes one of considerable assembly of wireless communication apparatus.
With the mobile computer is example, and for the purchase trend in response to present consumer, being seen on the market mobile computer is is all designed and developed towards lightening.Therefore, must dwindle its size relatively in order to the antenna size of transmitting/receiving wireless electromagnetic wave signal, or change its structure kenel, can antenna be equipped in the confined space of mobile computer inside smoothly.
Present existing antenna roughly is divided into inverted-F antenna (Planar Inverted-F Antenna, PIFA), unipole antenna (Monopole Antenna) and loop antenna all types of antenna assemblies such as (Loop Antenna), and the existing agreement that is applied to communication field has GSM850, GSM900, DCS1800, PCS1900, WCDMA2000 etc.Yet, though above-mentioned various antennas can be loaded into smoothly in the frivolous portable electronic devices of volume because antenna is in size reduction or after changing kenel and can't possess the ability of multifrequency transmitting-receiving.
At present by high-speed downloads packet access (High Speed Download Packet Access, HSDA), being commonly called as the 3.5th generation (3.5G) mechanics of communication marches toward in the 4th generation (4G) mechanics of communication gradually, and Long Term Evolution (1ong term evolution, LTE) be the mobile wireless wide-band technology of new generation that gets most of the attention in the market, and become the one preferred technique of 4G communication field.Yet existing various types of antenna assemblies only possess the function of double frequency transmitting-receiving or three emission/reception electromagnetic wave signal frequently, and can't satisfy the bandwidth of 4G communication field now, still many restrictions in the use.
The utility model content
In view of above problem, the utility model provides a kind of multifrequency antenna, also can't possess the ability of multifrequency transmitting-receiving so as to improving because of having various types of antennas now, thereby can't satisfy the demand of 4G mechanics of communication now.
The utility model discloses a kind of multifrequency antenna, its include a grounding parts, a unipole antenna, with a parasitic circuit.Unipole antenna has one first position and one second position, and wherein an end at first position is connected in second position, and the other end at first position has a feeding portion, and the two ends at second position are respectively first spoke side and second spoke side.Parasitic circuit has one the 3rd position and one the 4th position, the 3rd position is adjacent to second position, and the 3rd position has the 3rd spoke side, one end at the 4th position is connected in an end at the 3rd position, the other end at the 4th position is connected with grounding parts, wherein first spoke side, second spoke side, and the frequency band range of the frequency band range of the 3rd spoke side different.
Multifrequency antenna of the present utility model, the also extensible mode that is designed to a short circuit type unipole antenna, its comprise third and fourth, five, six positions.The 4th position is the short circuit line of short circuit type unipole antenna for this reason, and an end at the 5th position is connected with the 3rd position of parasitic circuit, one end at the 6th position is connected in the other end at the 5th position, the other end at the 6th position is adjacent to grounding parts, wherein this short circuit type unipole antenna frequency band range and first spoke side, second spoke side, and the frequency band range of the 3rd spoke side different.
Multifrequency antenna of the present utility model also can include a substrate, grounding parts, unipole antenna, and parasitic circuit be formed on the substrate.
Multifrequency antenna of the present utility model also can include a substrate, grounding parts, unipole antenna, parasitic circuit, and the short circuit type unipole antenna be formed on the substrate.
Multifrequency antenna of the present utility model also can include a cable, and it has a heart yearn, is connected in the feeding portion of unipole antenna.
Multifrequency antenna of the present utility model, grounding parts can be a sheet metal.
Effect of the present utility model is, two unipole antennas of resonance mode are arranged setting in adjacent mode, and be formed with at least three Departments of Radiation of different frequency bands scope, make antenna of the present utility model possess the ability of multifrequency transmitting-receiving, to satisfy the demand of 4G mechanics of communication now.
Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.
Description of drawings
Fig. 1 is the top plan view of the utility model first embodiment;
Fig. 2 is the top plan view of the utility model second embodiment; And
Fig. 3 is voltage standing wave ratio (VSWR) the numeric distribution figure of multifrequency antenna of the present utility model.
Wherein, Reference numeral
100 multifrequency antennas
110 substrates
120 grounding parts
130 unipole antennas
131 first positions
1311 feeding portions
132 second positions
1,321 first spoke sides
1,322 second spoke sides
140 parasitic circuits
141 the 3rd positions
1411 the 3rd spoke sides
142 the 4th positions
150 cables
151 heart yearns
160 short circuit type unipole antennas
161 the 5th positions
1611 the 4th spoke sides
162 the 6th positions
Embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are done concrete description:
Figure 1 shows that the top plan view of the utility model first embodiment.As shown in the figure, the multifrequency antenna 100 of the utility model first embodiment is installed in a portable electronic devices (not shown) inside, and mobile computer (notebook computer) for example is in order to receive the radio magnetic wave signal.Multifrequency antenna 100 includes a substrate 110, a grounding parts 120, a unipole antenna 130, parasitic circuit 140, reaches a cable 150.Substrate 110 can be the FR4 glass mat, with carrier as multifrequency antenna 100, but not as limit.Grounding parts 120 is formed on the substrate 110, and grounding parts 120 is a sheet metal, and its material can be aluminum metal or copper metal, but does not exceed with kenel and material that present embodiment was disclosed.
Unipole antenna 130 is formed on the substrate 110 with parasitic circuit 140, and its material can be metal material.The end that unipole antenna 130 has one first position 131 and 132, the first positions 131, one second position is connected on second position 132, and makes unipole antenna 130 summarys constitute T shape structure, and the other end in first position 131 has a feeding portion 1311.Cable 150 can be radio frequency cable (RF cable), but not as limit, cable 150 has a heart yearn 151, is connected in the feeding portion 1311 at first position 131.Two opposite ends at second position 132 are respectively first spoke side 1321 and second spoke side 1322, and the frequency band range of first spoke side 1321 and the second spoke side 1322 radio magnetic wave signal that receives and inequality.
Please continue to consult Fig. 1, parasitic circuit 140 has one the 3rd position 141 and one the 4th position 142, and wherein the 3rd position 141 is adjacent to second position 132 of unipole antenna 130, and the 3rd position 141 and second position 132 are opposed facing relation.The 3rd position 141 has one the 3rd spoke side 1411, and the frequency band range of the 3rd spoke side 1411 and first spoke side 1321 and the second spoke side 1322 radio magnetic wave signal that receives and inequality.
One end at the 4th position 142 is connected in the end that the 3rd position 141 is away from unipole antenna 130, and the 4th position 142 is opposed facing relation with unipole antenna 130, makes parasitic circuit 140 summarys constitute reversed F shaped structure.And the other end at the 4th position 142 is connected with grounding parts 120, makes the 4th position 142 bring in use as ground connection.
Figure 2 shows that the top plan view of the utility model second embodiment.As shown in the figure, the multifrequency antenna 100 of the utility model second embodiment is to be installed in a portable electronic devices (not shown) inside, and mobile computer (notebook computer) for example is in order to receive the radio magnetic wave signal.The multifrequency antenna 100 of second embodiment is similar to first embodiment, except including a substrate 110, a grounding parts 120, a unipole antenna 130, one parasitic circuit 140, reaching the cable 150, the multifrequency antenna 100 of second embodiment also includes a short circuit type unipole antenna 160.
Unipole antenna 130, parasitic circuit 140, all be formed on the substrate 110 with short circuit type unipole antenna 160, its material can be metal material.The end that unipole antenna 130 has one first position 131 and 132, the first positions 131, one second position is connected on second position 132, and makes unipole antenna 130 summarys constitute T shape structure, and the other end in first position 131 has a feeding portion 1311.Cable 150 can be radio frequency cable (RF cable), but not as limit, cable 150 has a heart yearn 151, is connected in the feeding portion 1311 at first position 131.Two opposite ends at second position 132 are respectively first spoke side 1321 and second spoke side 1322, and the frequency band range of first spoke side 1321 and the second spoke side 1322 radio magnetic wave signal that receives and inequality.
Please continue to consult Fig. 2, parasitic circuit 140 has one the 3rd position 141 and one the 4th position 142, and wherein the 3rd position 141 is adjacent to second position 132 of unipole antenna 130, and the 3rd position 141 and second position 132 are opposed facing relation.The 3rd position 141 has one the 3rd spoke side 1411, and the frequency band range of the 3rd spoke side 1411 and first spoke side 1321 and the second spoke side 1322 radio magnetic wave signal that receives and inequality.
One end at the 4th position 142 is connected in the end that the 3rd position 141 is away from unipole antenna 130, and the 4th position 142 is opposed facing relation with unipole antenna 130, makes parasitic circuit 140 summarys constitute reversed F shaped structure.And the other end at the 4th position 142 is connected with grounding parts 120, makes the 4th position 142 bring in use as ground connection.
Short circuit type unipole antenna 160 has one the 5th position 161 and one the 6th position 162, wherein the 5th position 161 has one the 4th spoke side 1611, and the 4th spoke side 1611 and first spoke side 1321, second spoke side 1322, and the frequency band range of the 3rd spoke side 1411 radio magnetic wave signal that receives also inequality.One end at the 5th position 161 is connected with an end that is away from unipole antenna 130 at the 3rd position 141 of parasitic circuit 140, makes unipole antenna 130 and short circuit type unipole antenna 160 be arranged at two side positions of parasitic circuit 140 respectively.One end at the 6th position 162 is connected in the other end at the 5th position 161, and the 4th position 142 of the 6th position 162 and parasitic circuit 140 is opposed facing relation, makes short circuit type unipole antenna 160 summarys constitute reversed F shaped structure.And the other end at the 6th position 162 is adjacent to grounding parts 120, does not interconnect with grounding parts 120.
Figure 3 shows that voltage standing wave ratio (voltagestanding wave ratio, VSWR) numeric distribution figure after multifrequency antenna of the present utility model is via test.The 1st among Fig. 3 is about 0.74 gigahertz (GHz), and the 2nd is about 0.96 kilo hertz (GHz), and the 3rd is about 1.71 gigahertzs (GHz), and the 4th is about 2.69 gigahertzs (GHz).Learn by knowing among the figure, multifrequency antenna of the present utility model is by unipole antenna, parasitic circuit, and the combination of short circuit type unipole antenna, and but the frequency acceptance band scope proves thus that at the radio magnetic wave signal of 700 megahertzes (MHz) to 2700 megahertzes (MHz) multifrequency antenna of the present utility model possesses the ability of multifrequency transmitting-receiving really.
The 1st following table is the antenna performance gain table of multifrequency antenna of the present utility model when reality is tested.
The 1st table
By provable in the 1st table, multifrequency antenna of the present utility model is under the operating position of different frequency scope, and its yield value is quite good and no problem.
At least two unipole antennas and the parasitic circuit of multifrequency antenna of the present utility model are provided with in adjacent mode, and be formed with at least three Departments of Radiation of different frequency bands scope, make antenna of the present utility model possess good multifrequency transmitting-receiving ability, can satisfy the demand of 4G mechanics of communication now fully.
Certainly; the utility model also can have other various embodiments; under the situation that does not deviate from the utility model spirit and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the utility model, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the utility model.
Claims (6)
1. a multifrequency antenna is characterized in that, includes:
One grounding parts;
One unipole antenna, this unipole antenna has one first position and one second position, one end at this first position is connected in this second position, and the other end at this first position has a feeding portion, the two ends at this second position are respectively one first spoke side and one second spoke side, and the frequency band range of the frequency band range of this first spoke side and this second spoke side is different; And
One parasitic circuit, this parasitism circuit has one the 3rd position and one the 4th position, the 3rd position is adjacent to this second position, and the 3rd position has one the 3rd spoke side, one end at the 4th position is connected in an end at the 3rd position, the other end at the 4th position is connected with this grounding parts, and wherein the frequency band range of the frequency band range of the 3rd spoke side and this first spoke side and this second spoke side is different.
2. multifrequency antenna according to claim 1, it is characterized in that, also include a short circuit type unipole antenna, have one the 5th position and one the 6th position, the 5th position has one the 4th spoke side, and an end at the 5th position is connected with the 3rd position of this parasitism circuit, one end at the 6th position is connected in the other end at the 5th position, the other end at the 6th position is adjacent to this grounding parts, wherein the frequency band range of the 4th spoke side and this first spoke side, this second spoke side, and the frequency band range of the 3rd spoke side different.
3. multifrequency antenna according to claim 2 is characterized in that, also includes a substrate, this grounding parts, this unipole antenna, this parasitism circuit, and this short circuit type unipole antenna be formed on this substrate.
4. multifrequency antenna according to claim 1 is characterized in that, also includes a substrate, this grounding parts, this unipole antenna, and this parasitism circuit be formed on this substrate.
5. multifrequency antenna according to claim 1 is characterized in that, also includes a cable, and this cable has a heart yearn, is connected in this feeding portion of this unipole antenna.
6. multifrequency antenna according to claim 1 is characterized in that, this grounding parts is a sheet metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020167582 CN201682057U (en) | 2010-03-31 | 2010-03-31 | Multifrequency antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020167582 CN201682057U (en) | 2010-03-31 | 2010-03-31 | Multifrequency antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201682057U true CN201682057U (en) | 2010-12-22 |
Family
ID=43347092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020167582 Expired - Fee Related CN201682057U (en) | 2010-03-31 | 2010-03-31 | Multifrequency antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201682057U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011113389A2 (en) * | 2011-04-27 | 2011-09-22 | 华为终端有限公司 | Planar antenna of wireless terminal and wireless terminal |
| CN102570036A (en) * | 2010-12-24 | 2012-07-11 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN102655268A (en) * | 2011-03-03 | 2012-09-05 | Nxp股份有限公司 | Multiband antenna |
| CN102800932A (en) * | 2011-05-24 | 2012-11-28 | 瑞昱半导体股份有限公司 | Dual-frequency antenna and related wireless communication device |
| CN103117453A (en) * | 2013-02-19 | 2013-05-22 | 常熟泓淋电子有限公司 | Double-monopole mobile phone antenna |
| CN104103893A (en) * | 2013-04-11 | 2014-10-15 | 智易科技股份有限公司 | Broadband antenna device |
| CN104124524A (en) * | 2013-04-26 | 2014-10-29 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device provided with same |
| CN107293843A (en) * | 2016-03-31 | 2017-10-24 | 上海莫仕连接器有限公司 | WIFI antenna assemblies |
| CN109950701A (en) * | 2019-03-20 | 2019-06-28 | Oppo广东移动通信有限公司 | Antenna module and mobile terminal |
| WO2020082539A1 (en) * | 2018-10-25 | 2020-04-30 | 歌尔股份有限公司 | Antenna unit, antenna apparatus and electronic device |
| CN111509403A (en) * | 2019-01-31 | 2020-08-07 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
-
2010
- 2010-03-31 CN CN 201020167582 patent/CN201682057U/en not_active Expired - Fee Related
Cited By (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102570036A (en) * | 2010-12-24 | 2012-07-11 | 富士康(昆山)电脑接插件有限公司 | Multi-frequency antenna |
| CN102570036B (en) * | 2010-12-24 | 2016-03-02 | 富士康(昆山)电脑接插件有限公司 | Multifrequency antenna |
| CN102655268A (en) * | 2011-03-03 | 2012-09-05 | Nxp股份有限公司 | Multiband antenna |
| CN102655268B (en) * | 2011-03-03 | 2015-01-14 | Nxp股份有限公司 | Multiband antenna |
| US8928537B2 (en) | 2011-03-03 | 2015-01-06 | Nxp, B.V. | Multiband antenna |
| WO2011113389A2 (en) * | 2011-04-27 | 2011-09-22 | 华为终端有限公司 | Planar antenna of wireless terminal and wireless terminal |
| WO2011113389A3 (en) * | 2011-04-27 | 2012-04-05 | 华为终端有限公司 | Planar antenna of wireless terminal and wireless terminal |
| CN102800932B (en) * | 2011-05-24 | 2014-12-17 | 瑞昱半导体股份有限公司 | Dual-frequency antenna and related wireless communication device |
| CN102800932A (en) * | 2011-05-24 | 2012-11-28 | 瑞昱半导体股份有限公司 | Dual-frequency antenna and related wireless communication device |
| CN103117453A (en) * | 2013-02-19 | 2013-05-22 | 常熟泓淋电子有限公司 | Double-monopole mobile phone antenna |
| CN104103893A (en) * | 2013-04-11 | 2014-10-15 | 智易科技股份有限公司 | Broadband antenna device |
| CN104124524A (en) * | 2013-04-26 | 2014-10-29 | 深圳富泰宏精密工业有限公司 | Antenna structure and wireless communication device provided with same |
| CN107293843A (en) * | 2016-03-31 | 2017-10-24 | 上海莫仕连接器有限公司 | WIFI antenna assemblies |
| CN107293843B (en) * | 2016-03-31 | 2021-06-15 | 上海莫仕连接器有限公司 | WIFI antenna device |
| WO2020082539A1 (en) * | 2018-10-25 | 2020-04-30 | 歌尔股份有限公司 | Antenna unit, antenna apparatus and electronic device |
| CN111509403A (en) * | 2019-01-31 | 2020-08-07 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
| CN111509403B (en) * | 2019-01-31 | 2022-02-18 | Oppo广东移动通信有限公司 | Array antenna and electronic device |
| CN109950701A (en) * | 2019-03-20 | 2019-06-28 | Oppo广东移动通信有限公司 | Antenna module and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101222 Termination date: 20160331 |