CN201156582Y - Dual-frequency antenna in reversed F shape - Google Patents
Dual-frequency antenna in reversed F shape Download PDFInfo
- Publication number
- CN201156582Y CN201156582Y CNU2008200008130U CN200820000813U CN201156582Y CN 201156582 Y CN201156582 Y CN 201156582Y CN U2008200008130 U CNU2008200008130 U CN U2008200008130U CN 200820000813 U CN200820000813 U CN 200820000813U CN 201156582 Y CN201156582 Y CN 201156582Y
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Abstract
The utility model discloses a double-frequency reversed F-type antenna which comprises a radiation component, a grounding component, a conductive connection pin and a signal feed-in part; the radiation component comprises a loop part, a first radiation part and a second radiation part; when a first band signal and a second band signal are fed in by the signal feed-in part, the first band signal and the second band signal can be wirelessly received and transmitted by the first radiation part and the second radiation part for one aspect, for the other aspect, the first band signal and the second band signal can be transferred to the conductive connection pin by the loop part and finally transferred to the grounding component and is directly grounded in short-circuiting way by utilizing the loop part, thus increasing the bandwidth of the first band signal and the second band signal that are operated so as to improve the whole radiation efficiency.
Description
Technical field
The utility model relates to a kind of inverted F shaped antenna, particularly relates to a kind of double-frequency inverted F-type antenna.
Background technology
Owing to use the wireless communication technique of electromagnetic wave transmission signal, having does not in the use need the wiring material, can reach the effect of linking up with remote-control device, therefore has the advantage of being convenient to move, make and utilize the product category of wireless communication technique to grow with each passing day, for example mobile phone, notebook etc.And these products are owing to use electromagnetic wave transmission signal, and the antenna that therefore is used to receive and dispatch electromagnetic wave signal becomes necessary device.At present antenna mainly be divided into expose to the outer antenna of device with in be loaded on antenna in the device, and owing to expose to the outer antenna of device, except influence small product size size with attractive in appearance, also have to be subjected to external force collision easily and bending, the shortcoming that fractures, so built in antenna has become a kind of trend.
3C device now in order to reach the function of multi-purpose machine, except the antenna that the 3G wireless telecommunications are housed, also is provided with wireless network antennas such as (Wi-Fi).When the trend of 3C Product, when tending to small and exquisite exquisiteness, also representing the space that antenna can be set to diminish gradually, so will make adjacent antenna to interact, and the most direct result, cause exactly antenna radiation efficiency reduction, influence quality of signals.
Please refer to Fig. 1, be known inverted F shaped antenna schematic diagram.Inverted F shaped antenna has a strip radiation assembly 1, a tabular grounding assembly 2 relative at interval with this radiating antenna, is positioned between the two conductive connecting pin 3 and signal feed-in part 4.Conductive connecting pin 3 is connected an end of radiation assemblies 1 to grounding assembly 2, with as lead pin.Signal feed-in part 4 is arranged at the centre position between the two ends of radiation assembly 1, receives the FD feed from holding wire 5.When signal feed-in part 4 was accepted feed-in electric current from holding wire 5, electric current can divide left and right directions to flow.When electric current when signal feeding portion 4 directly flows to conductive connecting pin 3, because signal feed-in part 4 relation opposite with the current direction of conductive connecting pin 3 causes the electric current in left path to cancel each other, and can not send electromagnetic wave by resonance.As for the length in right wing footpath can equivalence be in the radiation assembly 1 in the length of signal feed-in part 4 right side parts, approximate quarter-wave.Therefore can send the electromagnetic wave of a characteristic frequency, also can respond to the electromagnetic wave signal of this frequency, and the signal of induction is passed to holding wire 5 derivation via signal feed-in part 4.
Known inverted F shaped antenna can only be received and dispatched the signal of single frequency band, can't satisfy the demand of multitask, if be close to other antenna assembly, can have influence on the radiation efficiency of inverted F shaped antenna simultaneously.
Summary of the invention
The purpose of this utility model is to provide a kind of double-frequency inverted F-type antenna, receives and dispatches the signal of different frequency range by Departments of Radiation different on the antenna, and by the design of radiation assembly loop portion, promotes whole radiation efficiency.
To achieve these goals, the invention provides a kind of double-frequency inverted F-type antenna, include radiation assembly, grounding assembly, conductive connecting pin and signal feed-in part.Radiation assembly includes loop portion, first Department of Radiation and second Department of Radiation.Loop portion is in order to be used as short-circuit loop.The first Department of Radiation link circuit portion is in order to wireless receiving and dispatching first frequency band signals.Second Department of Radiation, one end link circuit portion, other end court and the equidirectional extension of first Department of Radiation are in order to wireless receiving and dispatching second frequency band signals.Grounding assembly is relative at interval with radiation assembly.Conductive connecting pin is between radiation assembly and grounding assembly, and two ends connect radiation assembly and grounding assembly respectively.Signal feed-in part is connected in the portion of loop, in order to first frequency band signals and second frequency band signals are fed into loop portion, and be passed to first Department of Radiation, second Department of Radiation and conductive connecting pin via loop portion respectively, and in order to receive first frequency band signals and second frequency band signals that feeds out via loop portion by first Department of Radiation and second Department of Radiation respectively.
Double-frequency inverted F-type antenna of the present utility model, first Department of Radiation and second Department of Radiation by radiation assembly are received and dispatched first frequency band signals and second frequency band signals respectively, and by the design of the loop portion of radiation assembly, after making first frequency band signals and second frequency band signals by the signal feed-in part feed-in, on the one hand by outside first Department of Radiation and second Department of Radiation difference wireless transmission, on the other hand signal directly directly is passed to grounding assembly via conductive connecting pin, reach the effect of short-circuit loop, the frequency range of operating the win frequency band signals and second frequency band signals is increased, promote whole radiation efficiency.
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 known inverted F shaped antenna schematic diagram;
Fig. 2 is a double-frequency inverted F-type antenna front schematic view of the present utility model;
Fig. 3 is a double-frequency inverted F-type antenna reverse side schematic diagram of the present utility model;
Fig. 4 is the measurement pattern of double-frequency inverted F-type antenna standing wave ratio of the present utility model;
Fig. 5 is average gain and the efficient table of double-frequency inverted F-type antenna of the present utility model when low frequency; And
Fig. 6 is average gain and the efficient table of double-frequency inverted F-type antenna of the present utility model when high frequency.
Wherein, Reference numeral:
1 linear radiation assembly
2 tabular grounding assemblies
3 conductive connecting pins
4 signal feed-in part
5 holding wires
21 radiation assemblies
22 grounding assemblies
23 conductive connecting pins
24 signal feed-in part
25 loop portions
26 first Departments of Radiation
27 second Departments of Radiation
28 first metallic plates
29 second metallic plates
30 the 3rd metallic plates
100 double-frequency inverted F-type antennas
Execution mode
Please refer to Fig. 2, Fig. 3, Fig. 2 is a double-frequency inverted F-type antenna front schematic view of the present utility model.Fig. 3 is a double-frequency inverted F-type antenna reverse side schematic diagram of the present utility model.Double-frequency inverted F-type antenna 100 includes radiation assembly 21, grounding assembly 22, conductive connecting pin 23 and signal feed-in part 24.
Conductive connecting pin 23 is between radiation assembly 21 and grounding assembly 22, and two ends connect radiation assembly 21 and grounding assembly 22 respectively.
Signal feed-in part 24 is connected in the loop portion 25, in order to first frequency band signals and second frequency band signals are fed into loop portion 25, and be passed to first Department of Radiation 26, second Department of Radiation 27 and conductive connecting pin 23 via loop portion 25 respectively, and in order to receive first frequency band signals and second frequency band signals that feeds out via loop portion 25 by first Department of Radiation 26 and second Department of Radiation 27 respectively.
After first frequency band signals and second frequency band signals are via signal feed-in part 24 feed-in double-frequency inverted F-type antennas 100, on the one hand can be respectively by first Department of Radiation 26 and second Department of Radiation 27 wireless receiving and dispatchings, first frequency band signals and second frequency band signals of radiation assembly 21, can be passed to grounding assembly 22 at last via loop portion 25 to conductive connecting pin 23 on the other hand.
Signal by signal feed-in part 24 feed-ins after, be passed to grounding assembly 22 via loop portion 25, this mode of utilizing short-circuit loop can make the signal frequency range of operation increase, and then promotes whole radiation efficiency.The operation frequency range of double-frequency inverted F-type antenna of the present utility model when first frequency band signals is 1710 to 2170 MHz (MHz), and the operation frequency range during second frequency band signals is 824 to 960 MHz (MHz).
Please refer to Fig. 4, be the measurement pattern of double-frequency inverted F-type antenna standing wave ratio of the present utility model.Demonstrate among Fig. 4 at low frequency (824MHz ~ 960MHz) and high frequency (the standing wave ratio that the Shi Suoliang of 1710MHz ~ 2170MHz) gets.Can be by finding out among the figure, (during 824MHz ~ 960MHz), the standing-wave ratio maximum is below 5 at low frequency; (1710MHz ~ 2170MHz), the standing-wave ratio maximum is about 2.5 at high frequency.
Please refer to Fig. 5, be average gain and the efficient table of double-frequency inverted F-type antenna of the present utility model when the low frequency.When double-frequency inverted F-type antenna of the present utility model is applied in the system of radio wide area network (wwan) 800 and 900, is sending and receiving average gain and the efficient table that each frequency measured.It is 824 to 960 MHz (MHz) that double-frequency inverted F-type antenna of the present utility model as seen from Figure 5 can promote operation frequency range 850 to 900 MHz (MHz) originally, and the average gain of each frequency and efficient all are in available scope.
Please refer to Fig. 6, be average gain and the efficient table of double-frequency inverted F-type antenna of the present utility model when the high frequency.When double-frequency inverted F-type antenna is applied in the system of radio wide area network (wwan) 1800,1900 and IMT2000, is sending and receiving average gain and the efficient table that each frequency measured.It is 1710 to 2170 MHz (MHz) that double-frequency inverted F-type of the present utility model as seen from Figure 6 can promote operation frequency range 1900 to 2000 MHz (MHz) originally, and the average gain of each frequency and efficient all are in available scope.
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 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 kind of double-frequency inverted F-type antenna is characterized in that, includes:
One radiation assembly includes:
One loop portion;
One first Department of Radiation connects this loop portion, wireless receiving and dispatching one first frequency band signals; And
One second Department of Radiation, an end connect this loop portion, other end court and the equidirectional extension of this first Department of Radiation, wireless receiving and dispatching one second frequency band signals;
One grounding assembly is relative at interval with this radiation assembly;
One conductive connecting pin, between this radiation assembly and this grounding assembly, two ends connect this radiation assembly and this grounding assembly respectively; And
One signal feed-in part, be connected in this loop portion, this first frequency band signals and this second frequency band signals are fed into this loop portion, and be passed to this first Department of Radiation, this second Department of Radiation and this conductive connecting pin via this loop portion respectively, and receive this first frequency band signals and this second frequency band signals that feeds out via this loop portion by this first Department of Radiation and this second Department of Radiation respectively.
2, double-frequency inverted F-type antenna according to claim 1 is characterized in that, this loop portion includes:
One first metallic plate connects this signal feed-in part, and an end connects this first Department of Radiation, receives this first frequency band signals and this second frequency band signals of this signal feed-in part feed-in, and this first frequency band signals is passed to this first Department of Radiation;
One second metallic plate, a side vertically connect this first metallic plate, and an end connects this second Department of Radiation, and this second metallic plate is parallel corresponding with this grounding assembly, and with this second frequency band signals that this first metallic plate transmits, are passed to this second Department of Radiation; And
One the 3rd metallic plate vertically connects this second metallic plate, and is connected towards this grounding assembly direction vertical extent and with this conductive connecting pin.
3, double-frequency inverted F-type antenna according to claim 1 is characterized in that, the length of this first Department of Radiation etc. is longer than the quarter-wave of this first frequency band signals.
4, double-frequency inverted F-type antenna according to claim 1 is characterized in that, the length of this second Department of Radiation etc. is longer than the quarter-wave of this second frequency band signals.
5, double-frequency inverted F-type antenna according to claim 1 is characterized in that, the operation frequency range of this first frequency band signals is 1710 to 2170 MHz.
6, double-frequency inverted F-type antenna according to claim 1 is characterized in that, the operation frequency range of this second frequency band signals is 824 to 960 MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200008130U CN201156582Y (en) | 2008-01-24 | 2008-01-24 | Dual-frequency antenna in reversed F shape |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200008130U CN201156582Y (en) | 2008-01-24 | 2008-01-24 | Dual-frequency antenna in reversed F shape |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201156582Y true CN201156582Y (en) | 2008-11-26 |
Family
ID=40104358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200008130U Expired - Fee Related CN201156582Y (en) | 2008-01-24 | 2008-01-24 | Dual-frequency antenna in reversed F shape |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201156582Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484315A (en) * | 2009-08-20 | 2012-05-30 | 高通股份有限公司 | Compact multi-band planar inverted f antenna |
| CN108400450A (en) * | 2018-01-30 | 2018-08-14 | 努比亚技术有限公司 | A kind of antenna structure and mobile terminal |
| CN109964363A (en) * | 2016-10-21 | 2019-07-02 | 迪讯技术有限责任公司 | RF antenna arrangement configured as part of a cover of a device |
| US10862191B2 (en) | 2017-04-28 | 2020-12-08 | DISH Technologies L.L.C. | Radio frequency antenna for short range communications |
-
2008
- 2008-01-24 CN CNU2008200008130U patent/CN201156582Y/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102484315A (en) * | 2009-08-20 | 2012-05-30 | 高通股份有限公司 | Compact multi-band planar inverted f antenna |
| CN102484315B (en) * | 2009-08-20 | 2015-05-20 | 高通股份有限公司 | Compact multi-band planar inverted f antenna |
| US9136594B2 (en) | 2009-08-20 | 2015-09-15 | Qualcomm Incorporated | Compact multi-band planar inverted F antenna |
| CN109964363A (en) * | 2016-10-21 | 2019-07-02 | 迪讯技术有限责任公司 | RF antenna arrangement configured as part of a cover of a device |
| US11018411B2 (en) | 2016-10-21 | 2021-05-25 | DISH Technologies L.L.C. | RF antenna arrangement configured to be a part of a lid to an apparatus |
| CN109964363B (en) * | 2016-10-21 | 2021-07-27 | 迪讯技术有限责任公司 | RF antenna arrangement configured as part of a cover of a device |
| US10862191B2 (en) | 2017-04-28 | 2020-12-08 | DISH Technologies L.L.C. | Radio frequency antenna for short range communications |
| US11437705B2 (en) | 2017-04-28 | 2022-09-06 | DISH Technologies L.L.C. | Radio frequency antenna for short range communications |
| CN108400450A (en) * | 2018-01-30 | 2018-08-14 | 努比亚技术有限公司 | A kind of antenna structure 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 |
Granted publication date: 20081126 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |