CN202905948U - Composite left/right hand transmission line device and antenna thereof - Google Patents
Composite left/right hand transmission line device and antenna thereof Download PDFInfo
- Publication number
- CN202905948U CN202905948U CN201220470657.0U CN201220470657U CN202905948U CN 202905948 U CN202905948 U CN 202905948U CN 201220470657 U CN201220470657 U CN 201220470657U CN 202905948 U CN202905948 U CN 202905948U
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- transmission line
- line device
- radiant body
- antenna
- match circuit
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Abstract
An embodiment of the utility model provides a composite left/right hand transmission line device and an antenna thereof, wherein, the composite left/right hand transmission line device comprises two first radiators which are provided at symmetrical positions in a left-and-right direction. A second radiator is provided between the two first radiators. The second radiator is connected with the two first radiators through two first matching circuits which are composed of integrated devices. The two first radiators are respectively connected with a second matching circuit which is composed of integrated devices. One end of each second matching circuit, which is not connected with the first radiator, is grounded. The composite left/right hand transmission line device and the antenna thereof have the following advantages: better regulation for control precision, improved accuracy of resonance frequency point, small environment effect and no effect for integral dimension of the antenna.
Description
Technical field
The utility model relates to the communications field, relates in particular to a kind of composite right/left-handed transmission line device and antenna.
Background technology
Realize that based on composite left-and-right-hand transmission line structure antenna all is to adopt to intercouple between the radiant body to form perhaps inductance component of distributed electrical at present, thus, prior art need to be adjusted the branch road capacitor and inductor value that coupling forms by the physical structure that changes radiant body, make distributed electrical perhaps inductance in the frequency range that requires, produce resonance, realize antenna performance.Therefore, there is defective as described below in present implementation: 1, the adjustment precision of the physical structure of radiant body can't be control.Because the material structure of radiant body is known the accuracy that relevant, trickle architectural difference directly can cause the final resonance frequency of distributed device with the capacitor and inductor characteristic that embodies.2, it is relatively responsive that the characteristic that embodies of the material structure of radiant body is subjected to the impact of environment, if will guarantee required fixedly frequency, need strict with the material structure of control radiant body, very large to this difficulty.3, by arrange radiant body be coupled form distributed electrical perhaps inductance component need take larger physical space, affect the antenna overall dimensions.
The utility model content
The technical problem that the utility model embodiment solves is, composite right/left-handed transmission line device and antenna are provided, and can make better the control control accuracy, improves the accuracy of resonance frequency, and is affected by environment little, and do not affect the antenna overall dimensions.
Concrete, the composite right/left-handed transmission line device that the utility model embodiment provides, can comprise: symmetrical two the first radiant bodies in position, between described two the first radiant bodies, be provided with the second radiant body, described the second radiant body links to each other with described two the first radiant bodies respectively by two the first match circuits that are made of lumped device, described two the first radiant bodies are connected with respectively by lumped device and consist of the second match circuit, and described the second match circuit does not connect an end ground connection of the first radiant body.
Better, described the first match circuit can comprise the first electric capacity, described the first capacitances in series is between described the first radiant body and described the second radiant body.
Better, described the second match circuit can comprise at least one electric capacity and at least one inductance, described electric capacity and/or described inductance be mutually series connection between any two.
Better, described the second match circuit can comprise at least one electric capacity and at least one inductance, described electric capacity and/or described inductance are parallel with one another between any two.
Better, described the second match circuit can comprise " π " type circuit, described " π " type circuit comprises electric capacity and/or inductance.
Better, described the second match circuit can comprise the T-shape circuit, the T-shape circuit comprises electric capacity and/or inductance.
Concrete, the antenna that the utility model embodiment provides, can comprise in the composite right/left-handed transmission line device provided by the present invention any, wherein, described described the second match circuit that meets the left-and-right-hand transmission line device does not connect an end of the first radiant body by connecting the mainboard ground connection of described antenna, to form the ground feedback point of antenna.
Implement the utility model embodiment, have following beneficial effect:
The utility model embodiment forms the composite right/left-handed transmission line device by radiant body in conjunction with concrete lumped device, the performance of antenna can embody by concrete lumped device, avoided thus adjusting the inaccurate problem of the precision of bringing of radiant body physical structure, and, adopt after the lumped device Substitute For Partial radiant body, reduce the impact of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, and then reduced the impact of composite right/left-handed transmission line device on the volume of antenna.
Description of drawings
Fig. 1 is that the first example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.
Fig. 2 is that the second example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.
Fig. 3 is that the 3rd example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.
Fig. 4 is that the 4th example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.
Embodiment
The utility model provides a kind of composite right/left-handed transmission line device and comprises the antenna of this composite right/left-handed transmission line device, wherein, this composite right/left-handed transmission line device comprises: symmetrical two the first radiant bodies in position, between described two the first radiant bodies, be provided with the second radiant body, described the second radiant body links to each other with described two the first radiant bodies respectively by two the first match circuits that are made of lumped device, described two the first radiant bodies are connected with respectively by lumped device and consist of the second match circuit, and described the second match circuit does not connect an end ground connection of the first radiant body.The utility model embodiment forms the composite right/left-handed transmission line device by radiant body in conjunction with concrete lumped device, the performance of antenna can embody by concrete lumped device, avoided thus adjusting the inaccurate problem of the precision of bringing of radiant body physical structure, and, adopt after the lumped device Substitute For Partial radiant body, reduce the impact of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, and then reduced the impact of composite right/left-handed transmission line device on the volume of antenna.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is that the first example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.As shown in Figure 1, composite left-and-right-hand conveyer line device of the present utility model comprises: symmetrical two the first radiant bodies 11 in position, the second radiant body 12, two the first match circuits 13 and two the second match circuits 14, wherein, described the first match circuit 13 comprises capacitor C 11, described the second match circuit 14 comprises that successively the inductance L 12 of series connection and capacitor C 12 are (in the specific implementation, the second match circuit 14 can comprise an electric capacity and at least one inductance, described electric capacity and/or described inductance be mutually series connection between any two, Fig. 1 only is an example of the second match circuit 14), described the second radiant body 12 is arranged between described two the first radiant bodies 11, described the second radiant body 12 links to each other with described the first radiant body 11 by the capacitor C 11 of described the first match circuit 13, do not connect described the first radiant body 11 and the inductance L 12 of described the second match circuit 14 connects an end of capacitor C 12, described capacitor C 12 does not connect an end ground connection of inductance L 12.
In the specific implementation, described inductance L 12 be connected radiant body 11 and can connect by the thimble on the printed circuit board (PCB) or metal mainstay (circled shown in Figure 1).
The utility model substitutes the distributed device that forms by the radiant body coupling in the prior art by the first match circuit 13 that comprises lumped device C11 and the second match circuit 14 that comprises lumped device C12 and L12, avoided thus adjusting the inaccurate problem of the precision of bringing of radiant body physical structure, such as, when the specific resonance frequency of needs, the first match circuit and/or the second match circuit that access meets described resonance frequency get final product, and, adopt after the lumped device Substitute For Partial radiant body, reduce the impact of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, when this composite right/left-handed transmission line device application is in antenna, can reduce the impact of composite right/left-handed transmission line device on the volume of antenna.
Fig. 2 is that the second example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.As shown in Figure 2, composite left-and-right-hand conveyer line device of the present utility model comprises: symmetrical two the first radiant bodies 21 in position, the second radiant body 22, two the first match circuits 23 and two the second match circuits 24, wherein, described the first match circuit 23 comprises capacitor C 21, described the second match circuit 24 comprises that inductance L 22 in parallel and capacitor C 22 are (in the specific implementation, the second match circuit 24 comprises at least one electric capacity and at least one inductance, described electric capacity and/or described inductance are parallel with one another between any two, Fig. 2 only is an example of the second match circuit 24), described the second radiant body 22 is arranged between described two the first radiant bodies 21, described the second radiant body 22 links to each other with described the first radiant body 21 by the capacitor C 21 of described the first match circuit 23, and an end of the parallel circuits that the inductance L 22 in described the second match circuit 24 is connected with capacitor C connects described the first radiant body 21, other end ground connection.
In the specific implementation, described inductance L 22 be connected radiant body 21 and can connect by the thimble on the printed circuit board (PCB) or metal mainstay (circled shown in Figure 2).
The utility model substitutes the distributed device that forms by the radiant body coupling in the prior art by the first match circuit 23 that comprises lumped device C21 and the second match circuit 24 that comprises lumped device C22 and L22, avoided thus adjusting the inaccurate problem of the precision of bringing of radiant body physical structure, such as, when the specific resonance frequency of needs, the first match circuit and/or the second match circuit that access meets described resonance frequency get final product, and, adopt after the lumped device Substitute For Partial radiant body, reduce the impact of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, when this composite right/left-handed transmission line device application is in antenna, can reduce the composite right/left-handed transmission line device to the impact of the volume of antenna.
Fig. 3 is that the 3rd example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.As shown in Figure 3, composite left-and-right-hand conveyer line device of the present utility model comprises: symmetrical two the first radiant bodies 31 in position, the second radiant body 32, two the first match circuits 33 and two the second match circuits 34, wherein, described the first match circuit 33 comprises capacitor C 31, and described the second match circuit 34 comprises " π " type circuit that is comprised of inductance and electric capacity, and " π " type circuit that consists of take L32, C32 and C33 among concrete Fig. 3 is as example.(in the specific implementation, the second match circuit 34 can comprise one-level or multistage " π " type circuit, described " π " type circuit comprises inductance and/or electric capacity), described the second radiant body 32 is arranged between described two the first radiant bodies 31, described the second radiant body 32 links to each other with described the first radiant body 31 by the capacitor C 31 of described the first match circuit 33, and the inductance L 32 in described the second match circuit 34 is connected an end that links to each other and is connected described the first radiant body 31, the end ground connection that capacitor C 32 links to each other with capacitor C 33 with capacitor C.
In the specific implementation, described inductance L 32 are connected with capacitor C the end that links to each other be connected radiant body 31 and can connect by the thimble on the printed circuit board (PCB) or metal mainstay.
The utility model substitutes the distributed device that forms by the radiant body coupling in the prior art by the first match circuit 33 that comprises lumped device C31 and the second match circuit 34 that comprises lumped device C32 and L32 and C33, avoided thus adjusting the inaccurate problem of the precision of bringing of radiant body physical structure, such as, when the specific resonance frequency of needs, the first match circuit and/or the second match circuit that access meets described resonance frequency get final product, and, adopt after the lumped device Substitute For Partial radiant body, reduce the impact of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, when this composite right/left-handed transmission line device application is in antenna, can reduce the impact of composite right/left-handed transmission line device on the volume of antenna.
Fig. 4 is that the 4th example structure of the utility model composite right/left-handed transmission line device forms schematic diagram.As shown in Figure 4, composite left-and-right-hand conveyer line device of the present utility model comprises: symmetrical two the first radiant bodies 41 in position, the second radiant body 42, two the first match circuits 43 and two the second match circuits 44, wherein, described the first match circuit 43 comprises capacitor C 41, and described the second match circuit 44 comprises the T-shape circuit that is comprised of inductance and electric capacity, and the T-shape circuit that consists of take L42, C42 and C43 among concrete Fig. 4 is as example.(in the specific implementation, the second match circuit 44 can comprise one-level or multistage T-shape circuit, described T-shape circuit comprises inductance and/or electric capacity), described the second radiant body 42 is arranged between described two the first radiant bodies 41, described the second radiant body 42 links to each other with described the first radiant body 41 by the capacitor C 41 of described the first match circuit 43, do not connect described the first radiant body 41 and the inductance L 42 in described the second match circuit 44 connects the end that capacitor C 42 is connected with capacitor C, capacitor C 42 is connected an end ground connection that does not connect inductance L 42 with capacitor C.
In the specific implementation, described inductance L 42 be connected radiant body 41 and can connect by the thimble on the printed circuit board (PCB) or metal mainstay.
The utility model substitutes the distributed device that forms by the radiant body coupling in the prior art by the first match circuit 43 that comprises lumped device C41 and the second match circuit 44 that comprises lumped device C42 and L42 and C43, avoided thus adjusting the inaccurate problem of the precision of bringing of radiant body physical structure, such as, when the specific resonance frequency of needs, the first match circuit and/or the second match circuit that access meets described resonance frequency get final product, and, adopt after the lumped device Substitute For Partial radiant body, reduce the impact of environment, and the overall dimensions that has dwindled whole composite right/left-handed transmission line device, when this composite right/left-handed transmission line device application is in antenna, can reduce the composite right/left-handed transmission line device to the impact of the volume of antenna.
The utility model also provides a kind of antenna, described antenna comprises composite right/left-handed transmission line device described in the utility model, wherein, described described the second match circuit that meets the left-and-right-hand transmission line device does not connect an end of the first radiant body by connecting the mainboard ground connection of described antenna, to form the ground feedback point of antenna.
In the specific implementation, the antenna of composite right/left-handed transmission line device of the present invention and application composite right/left-handed transmission line device can be used in LTE (Long Term Evolution): the 3GPP Long Term Evolution) in the communication system.
Above disclosed only is the utility model preferred embodiment, certainly can not limit with this interest field of the utility model, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and according to the equivalent variations that the utility model claim is done, still belong to the scope that utility model contains.
Claims (7)
1. composite right/left-handed transmission line device, it is characterized in that, comprise: symmetrical two the first radiant bodies in position, between described two the first radiant bodies, be provided with the second radiant body, described the second radiant body links to each other with described two the first radiant bodies respectively by two the first match circuits that are made of lumped device, described two the first radiant bodies are connected with respectively by lumped device and consist of the second match circuit, and described the second match circuit does not connect an end ground connection of the first radiant body.
2. composite right/left-handed transmission line device as claimed in claim 1 is characterized in that, described the first match circuit comprises electric capacity, and described capacitances in series is between described the first radiant body and described the second radiant body.
3. composite right/left-handed transmission line device as claimed in claim 1 or 2 is characterized in that, described the second match circuit comprises at least one electric capacity and at least one inductance, and described electric capacity and/or described inductance be mutually series connection between any two.
4. composite right/left-handed transmission line device as claimed in claim 1 or 2 is characterized in that, described the second match circuit comprises at least one electric capacity and at least one inductance, and described electric capacity and/or described inductance are parallel with one another between any two.
5. composite right/left-handed transmission line device as claimed in claim 1 or 2 is characterized in that, described the second match circuit comprises " π " type circuit, and described " π " type circuit comprises electric capacity and/or inductance.
6. composite right/left-handed transmission line device as claimed in claim 1 or 2 is characterized in that, described the second match circuit comprises the T-shape circuit, and the T-shape circuit comprises electric capacity and/or inductance.
7. antenna, it is characterized in that, comprise such as each described composite right/left-handed transmission line device among the claim 1-6, wherein, described second match circuit of described composite right/left-handed transmission line device does not connect an end of the first radiant body by connecting the mainboard ground connection of described antenna, to form the ground feedback point of antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470657.0U CN202905948U (en) | 2012-09-14 | 2012-09-14 | Composite left/right hand transmission line device and antenna thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220470657.0U CN202905948U (en) | 2012-09-14 | 2012-09-14 | Composite left/right hand transmission line device and antenna thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202905948U true CN202905948U (en) | 2013-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220470657.0U Expired - Lifetime CN202905948U (en) | 2012-09-14 | 2012-09-14 | Composite left/right hand transmission line device and antenna thereof |
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| CN (1) | CN202905948U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104716428A (en) * | 2015-03-13 | 2015-06-17 | 惠州Tcl移动通信有限公司 | Antenna bandwidth expansion device and mobile terminal |
| WO2016033756A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Composite right/left-handed transmission line antenna |
| CN106602285A (en) * | 2016-12-27 | 2017-04-26 | 北京邮电大学 | Wireless energy collection metamaterial antenna with adjustable broadband |
-
2012
- 2012-09-14 CN CN201220470657.0U patent/CN202905948U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016033756A1 (en) * | 2014-09-03 | 2016-03-10 | 华为技术有限公司 | Composite right/left-handed transmission line antenna |
| US10483642B2 (en) | 2014-09-03 | 2019-11-19 | Huawei Technologies Co., Ltd. | Composite right/left-handed transmission line antenna |
| US11322842B2 (en) | 2014-09-03 | 2022-05-03 | Huawei Technologies Co., Ltd. | Composite right/left-handed transmission line antenna |
| CN104716428A (en) * | 2015-03-13 | 2015-06-17 | 惠州Tcl移动通信有限公司 | Antenna bandwidth expansion device and mobile terminal |
| CN104716428B (en) * | 2015-03-13 | 2017-11-10 | 惠州Tcl移动通信有限公司 | A kind of beamwidth of antenna expanding unit and mobile terminal |
| CN106602285A (en) * | 2016-12-27 | 2017-04-26 | 北京邮电大学 | Wireless energy collection metamaterial antenna with adjustable broadband |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130424 |
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| CX01 | Expiry of patent term |