CN201171084Y - Dual-frequency reverse-F type antennae - Google Patents
Dual-frequency reverse-F type antennae Download PDFInfo
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- CN201171084Y CN201171084Y CNU2008200042254U CN200820004225U CN201171084Y CN 201171084 Y CN201171084 Y CN 201171084Y CN U2008200042254 U CNU2008200042254 U CN U2008200042254U CN 200820004225 U CN200820004225 U CN 200820004225U CN 201171084 Y CN201171084 Y CN 201171084Y
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Abstract
The utility model discloses a dual-frequency reverse F-shaped antenna; a first frequency band signal and a second frequency band signal are fed in from a signal feed-in part, to be transmitted wirelessly by a first radiation part and a second radiation part of a radiation component on the one hand, and transmitted to a grounding component by a short-circuit pin on the other hand, so as to achieve the dual frequency effect; meanwhile, a bend structure designed on the short-circuit pin reduces the interference with the signal transceiving of the radiation component when the dual-frequency reverse F-shaped antenna transmits signal with the short-circuit pin.
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
Because 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 have 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 built in antenna in the device, and owing to expose to the outer antenna of device, except influence the small product size size and attractive in appearance, also have to be subjected to external force collision easily and bending, the shortcoming that fractures.Therefore built in antenna has become a kind of trend.
Please refer to Fig. 1, be known inverted F shaped antenna schematic diagram.Inverted F shaped antenna 10 has linear radiation assembly 1, the tabular grounding assembly 2 relative at interval with this radiating antenna, is positioned between the two short circuit pin 3 and signal feed-in part 4.Short circuit pin 3 is connected an end of radiation assembly 1 to grounding assembly 2.Signal feed-in part 4 is arranged at the centre position between the two ends of radiation assembly 1, receives the signal from the holding wire feed-in.When signal feed-in part 4 was accepted the signal code of feed-in, signal code can divide left and right directions to flow.When signal code when signal feeding portion 4 directly flows to short circuit pin 3 because signal feed-in part 4 flows to opposite relation with the signal code of short circuit pin 3, cause the signal code in left path to cancel each other, and can not send signal by resonance.As for the length L 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 signal of a characteristic frequency, also can respond to the signal of this frequency, and the signal code of induction is derived via signal feed-in part 4.
Known inverted F shaped antenna 10 can only can't effectively be applied to the demand of present multitask in order to receive and dispatch single signal.
Summary of the invention
The purpose of this utility model is to provide a kind of double-frequency inverted F-type antenna, solve known inverted F shaped antenna and can only receive and dispatch the problem of single signal, and make the design of warp architecture at the short circuit pin, when reducing signal and transmitting, to the influence that radiating element caused via the structure of short circuit pin.
To achieve these goals, the utility model provides a kind of double-frequency inverted F-type antenna, and it includes radiation assembly, grounding assembly, short circuit pin and signal feed-in part.Radiation assembly has first Department of Radiation and second Department of Radiation.First Department of Radiation is in order to wireless receiving and dispatching first frequency band signals, and second Department of Radiation is in order to wireless receiving and dispatching second frequency band signals.Grounding assembly is relative at interval with radiation assembly.The short circuit pin is between radiation assembly and grounding assembly, and vertical respectively radiation assembly and the grounding assembly of connecting in two ends.Signal feed-in part one end is vertically connected on the radiation assembly, and the other end extends towards grounding assembly.
The disclosed double-frequency inverted F-type antenna of the utility model is by extending a Department of Radiation on the known inverted F shaped antenna, in order to receive and dispatch two kinds of signals, can only receiving and dispatching the problem of single signal to solve known inverted F shaped antenna.
According to another double-frequency inverted F-type antenna disclosed in the utility model, it includes radiation assembly, grounding assembly, crooked short circuit pin and signal feed-in part.Radiation assembly has first Department of Radiation and second Department of Radiation.First Department of Radiation is in order to wireless receiving and dispatching first frequency band signals, and second Department of Radiation is in order to wireless receiving and dispatching second frequency band signals.Grounding assembly is relative at interval with radiation assembly.The short circuit pin is between radiation assembly and grounding assembly, and crooked short circuit pin two ends are vertical respectively to connect radiation assembly and grounding assembly, and presents warp architecture in the middle of the crooked short circuit pin.Signal feed-in part one end and crooked short circuit pin are vertically connected on the radiation assembly jointly, and the other end extends towards grounding assembly.
By another double-frequency inverted F-type antenna disclosed in the utility model, except increase the effect that a Department of Radiation reaches double frequency on known inverted F shaped antenna, the also design by warp architecture is when low frequency, signal flow on the warp architecture can reduce the interference to the spoke side receiving and transmitting signal on the contrary.When high frequency, the signal flow on the warp architecture can increase the effect of radiation to identical.
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 the first embodiment schematic diagram of the present utility model;
Fig. 3 is the second embodiment schematic diagram of the present utility model;
Fig. 4 is the 3rd an embodiment schematic diagram of the present utility model;
Fig. 5 is the 4th an embodiment schematic diagram of the present utility model;
Fig. 6 is the utility model second embodiment return loss value simulation drawing;
Fig. 7 is the current-mode graphoid of the utility model second embodiment when low frequency;
Fig. 8 is the current-mode graphoid of the utility model second embodiment when high frequency;
Fig. 9 is the SWR measurement figure of the utility model the 3rd embodiment;
Average gain and efficient table that Figure 10 records when low frequency for the utility model the 3rd embodiment;
Average gain and efficient table that Figure 11 records when high frequency for the utility model the 3rd embodiment;
Figure 12 is the SWR measurement figure of the utility model the 4th embodiment;
Average gain and efficient table that Figure 13 records when low frequency for the utility model the 4th embodiment; And
Average gain and efficient table that Figure 14 records when high frequency for the utility model the 4th embodiment.
Wherein, Reference numeral:
1 radiation assembly
2 grounding assemblies
3 short circuit pins
4 signal feed-in part
10 inverted F shaped antennas
21 radiation assemblies
22 grounding assemblies
23 short circuit pins
24 signal feed-in part
25 first Departments of Radiation
26 second Departments of Radiation
31 radiation assemblies
32 grounding assemblies
33 short circuit pins
The 33a warp architecture
33b first support arm
33c second support arm
34 signal feed-in part
35 first Departments of Radiation
36 second Departments of Radiation
45 first Departments of Radiation
45a tabular metal
The 45b rectangular flat metal plate
46 second Departments of Radiation
46a tabular metal
The 46b rectangular flat metal plate
55 first Departments of Radiation
55a tabular metal
The 55b metal plate that wriggles
The 55c rectangular flat metal plate
56 second Departments of Radiation
56a tabular metal
The 56b metal plate that wriggles
The 56c rectangular flat metal plate
100 double-frequency inverted F-type antennas
200 double-frequency inverted F-type antennas
Execution mode
Please refer to Fig. 2, be the first embodiment schematic diagram of the present utility model.The double-frequency inverted F-type antenna 100 of present embodiment has radiation assembly 21, grounding assembly 22, short circuit pin 23 and signal feed-in part 24.
Grounding assembly 22 is relative at interval with radiation assembly 21.Grounding assembly 22 has the tabular metal relative at interval with radiation assembly 21 and is vertically connected at tabular metal one side and forms towards the rectangular flat metal plate away from the direction extension of radiation assembly 21.
Signal feed-in part 24 1 ends are vertically connected on the radiation assembly 21, and the other end extends towards grounding assembly 22, but does not contact with grounding assembly 22, in order to feed-in or feed out first frequency band signals and second frequency band signals.Signal feed-in part 24 is by the holding wire FD feed, and holding wire includes signal core line, the insulating barrier that coats signal core line and the ground plane of coated insulation layer, and wherein signal core line connects signal feed-in part 24, and ground plane connects grounding assembly 22.
The double-frequency inverted F-type antenna 100 of present embodiment, signal feed-in part 24 feed-ins, first frequency band signals and second frequency band signals send via first Department of Radiation 25 and second Department of Radiation 26 on the one hand, are passed to grounding assembly 22 via short circuit pin 23 on the other hand.The double-frequency inverted F-type antenna 100 of present embodiment is received and dispatched two kinds of signals respectively by extending a Department of Radiation on the radiation assembly 1 by known inverted F shaped antenna 10, to solve the problem that known inverted F shaped antenna 10 can only be received and dispatched single signal.
Please refer to Fig. 3, be the second embodiment schematic diagram of the present utility model.The double-frequency inverted F-type antenna 200 of present embodiment has radiation assembly 31, grounding assembly 32, crooked short circuit pin 33 and signal feed-in part 34.
Radiation assembly 31 has first Department of Radiation 35 and second Department of Radiation 36.First Department of Radiation 35 is in order to wireless receiving and dispatching first frequency band signals, and second Department of Radiation 36 is in order to wireless receiving and dispatching second frequency band signals.Radiation assembly 31 is relative at interval with grounding assembly 32.The length of first Department of Radiation 35 waits the quarter-wave of being longer than first frequency band signals approximately, can certainly be between three minutes of first frequency band signals between a wavelength to five/wavelength.The length of second Department of Radiation 36 waits the quarter-wave of being longer than second frequency band signals approximately, can certainly be between 1/3rd wavelength to the five/wavelength between first frequency band signals.Radiation assembly 31 be shaped as a tabular metal.The frequency band of first frequency band signals is 824MHz～960MHz, can certainly be other frequency band.The frequency band of second frequency band signals is 1710MHz～2170MHz, can certainly be other frequency band.
Grounding assembly 32 is relative at interval with radiation assembly 31.Grounding assembly 32 has the tabular metal relative at interval with radiation assembly 31 and is vertically connected at tabular metal one side and forms towards the rectangular flat metal plate of extending away from the direction of radiation assembly 31.
Crooked short circuit pin 33 is between radiation assembly 31 and grounding assembly 32.Crooked short circuit pin 33 two ends are vertical respectively to connect radiation assembly 31 and grounding assembly 32, and presents a warp architecture 33a in the middle of the crooked short circuit pin 33.Crooked short circuit pin 33 includes the first support arm 33b, the second support arm 33c and warp architecture 33a.Wherein the first support arm 33b, one end is vertically connected on the radiation assembly 31, and the other end extends towards grounding assembly 32 directions, is connected in warp architecture 33a one end.The second support arm 33c, one end is vertically connected on the grounding assembly 32, and the other end extends towards radiation assembly 31 directions, is connected the warp architecture 33a other end.Warp architecture 33a is shaped as ㄇ type or horseshoe type, can certainly be other shape.The warp architecture 33a and first Department of Radiation 35 are equidirectional or equidirectional with second Department of Radiation 36.
Signal feed-in part 34 1 ends and crooked short circuit pin 33 are vertically connected on the radiation assembly 31 jointly.Signal feed-in part 34 other ends extend towards grounding assembly 32, but do not contact with grounding assembly 32.Signal feed-in part 34 is in order to feed-in or feed out first frequency band signals and second frequency band signals.Signal feed-in part 34 is by the holding wire FD feed, and holding wire includes signal core line, the insulating barrier that coats signal core line and the ground plane of coated insulation layer, and wherein signal core line connects signal feed-in part 34, and ground plane connects grounding assembly 32.
The double-frequency inverted F-type antenna 200 of present embodiment when signal feed-in part 34 feed-ins, first frequency band signals and second frequency band signals, and sends via first Department of Radiation 35 and second Department of Radiation 36 on the one hand, is passed to grounding assembly 32 via crooked short circuit pin 33 on the other hand.The double-frequency inverted F-type antenna 100 of first embodiment passes to grounding assembly 22 by signal feed-in part 24 FD feeds and via short circuit pin 23 simultaneously when radiation signal, the electric current of the short circuit pin 23 of flowing through can directly interfere with radiation assembly.The double-frequency inverted F-type antenna 200 of present embodiment passes through design one warp architecture 33a on the short circuit pin 23 of the double-frequency inverted F-type antenna 100 of first embodiment, when passing to grounding assembly 32 when signal feed-in part 34 feed-in low frequency signals and via crooked short circuit pin 33, on warp architecture 33a, the current direction that signal transmits is opposite, cancel each other, can reduce interference spoke side.When passing to grounding assembly 32 when signal feed-in part 34 feed-in high-frequency signals and via crooked short circuit pin 33, on warp architecture 33a, the current direction that signal transmits is identical, cancels each other, and can increase the radiation of energy.
Please refer to Fig. 4, be the 3rd embodiment schematic diagram of the present utility model.The 3rd embodiment of the present utility model and second example structure are roughly the same, difference is that first Department of Radiation 45 of the 3rd embodiment includes tabular metal 45a and rectangular flat metal plate 45b, and tabular metal 45a one end vertically connects rectangular flat metal plate 45b.Second Department of Radiation 46 includes tabular metal 46a and rectangular flat metal plate 46b.Tabular metal 46a one end has serpentine structure, and rectangular flat metal plate 46b vertically connects serpentine structure.
The 3rd embodiment is applied to radio wide area network, and (Wireless Wide Area Network, large-size antennae WWAN) can certainly become the antenna of different size or shape at different network systems or Demand Design.
Please refer to Fig. 5, be the 4th embodiment schematic diagram of the present utility model.The 4th embodiment of the present utility model and second example structure are roughly the same, and difference is that first Department of Radiation 55 of the 4th embodiment includes tabular metal 55a, metal plate 55b and rectangular flat metal plate 55c wriggle.Tabular metal 55a one end has serpentine structure, and rectangular flat metal plate 55c vertically connects serpentine structure.The metal plate 55b that wriggles is vertically connected at rectangular flat metal plate 55c one side.Second Department of Radiation 56 includes tabular metal 56a, metal plate 56b and rectangular flat metal plate 56c wriggle.Tabular metal 56a one end has serpentine structure, and rectangular flat metal plate 56c vertically connects serpentine structure.The metal plate 56b that wriggles is vertically connected at rectangular flat metal plate 56c one side.
The 4th embodiment is applied to radio wide area network, and (Wireless Wide Area Network, small size antenna WWAN) can certainly become the antenna of different size or shape at different network systems or Demand Design.
Please refer to Fig. 6, be the utility model second embodiment return loss value simulation drawing.By among Fig. 6 as can be seen, ((the return loss value that the Shi Suoliang of 824MHz ~ 960MHz) gets is few, represents that double-frequency inverted F-type antenna of the present utility model has the effect that strengthens energy at high frequency than low frequency for the return loss value during 1710MHz ~ 2170MHz) at high frequency.
Please refer to Fig. 7, be the current-mode graphoid of the utility model second embodiment when the low frequency.By among Fig. 7 as can be seen, when input signal was the low frequency signal of 1000MHz, the current direction on warp architecture was opposite, energy is cancelled each other, and can reduce the interference of crooked short circuit pin to the radiation assembly of double-frequency inverted F-type antenna.
Please refer to Fig. 8, be the current-mode graphoid of the utility model second embodiment when the high frequency.By among Fig. 8 as can be seen, when input signal was the high-frequency signal of 1700MHz, the current direction on warp architecture was identical, can increase the radiation of energy.
Please refer to Fig. 9, be the SWR measurement figure of the utility model the 3rd embodiment.By the 3rd embodiment is when the low frequency 824MHz ~ 960MHz as can be seen among Fig. 9, standing-wave ratio is up to 5.1, and when high frequency 1710MHz ~ 2170MHz, standing-wave ratio is on average about about 2.
Please refer to Figure 10, the average gain and the efficient table that record when the low frequency for the utility model the 3rd embodiment.By among Figure 10 as can be seen when the low frequency 824MHz ~ 960MHz, average gain is about-3dB, efficient is about 50%.
Please refer to Figure 11, the average gain and the efficient table that record when the high frequency for the utility model the 3rd embodiment.By among Figure 11 as can be seen when the high frequency 1710MHz ~ 2170MHz, average gain is about-3dB, efficient is about 50%.And when the double-frequency inverted F-type antenna of the utility model the 3rd embodiment is compared low frequency when the high frequency as can be seen among Figure 10 and Figure 11, has efficient and lower energy loss preferably.
Please refer to Figure 12, be the SWR measurement figure of the utility model the 4th embodiment.By the 4th embodiment is when the low frequency 824MHz ~ 960MHz as can be seen among Figure 12, standing-wave ratio is mostly below 2, and when high frequency 1710MHz ~ 2170MHz, standing-wave ratio is mostly below 2.
Please refer to Figure 13, the average gain and the efficient table that record when the low frequency for the utility model the 4th embodiment.By among Figure 13 as can be seen in frequency near frequency range 824MHz ~ 960MHz two ends, have bigger energy loss, efficient also is reduced to below 10%.
Please refer to Figure 14, the average gain and the efficient table that record when the high frequency for the utility model the 4th embodiment.By among Figure 14 as can be seen when the high frequency 1710MHz ~ 2170MHz, be higher than frequency part more than the 1930MHz in frequency, average gain is about-3dB, efficient is about 50%.But be lower than frequency part below the 1930MHz in frequency, frequency is low more, and average gain value and efficient are also poor more.
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 (17)
1, a kind of double-frequency inverted F-type antenna is characterized in that, includes:
One radiation assembly has one first Department of Radiation and one second Department of Radiation, this first Department of Radiation wireless receiving and dispatching, one first frequency band signals, and this second Department of Radiation wireless receiving and dispatching, one second frequency band signals;
One grounding assembly is relative at interval with this radiation assembly;
One short circuit pin, between this radiation assembly and this grounding assembly, vertical respectively this radiation assembly and this grounding assembly of connecting in these short circuit pin two ends; And
One signal feed-in part, this signal feed-in part one end is vertically connected on this radiation assembly, and the other end extends towards this grounding assembly.
2, double-frequency inverted F-type antenna according to claim 1 is characterized in that, this short circuit pin and this signal feed-in part are connected in this radiation assembly the same side.
3, double-frequency inverted F-type antenna according to claim 1 is characterized in that, the length of this first Department of Radiation is between 1/3rd wavelength to a five/wavelength 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 is between 1/3rd wavelength to a five/wavelength of this second frequency band signals.
5, double-frequency inverted F-type antenna according to claim 1 is characterized in that, presents a warp architecture in the middle of this short circuit pin and forms a crooked short circuit pin, and this signal feed-in part one end and this bending short circuit pin are vertically connected on this radiation assembly jointly.
6, double-frequency inverted F-type antenna according to claim 5, it is characterized in that, this bending short circuit pin includes one first support arm, one second support arm and this warp architecture, wherein this first support arm, one end is vertically connected on this radiation assembly, the other end extends towards this grounding assembly direction, is connected in this warp architecture one end; This second support arm, one end is vertically connected on this grounding assembly, and the other end extends towards this radiation assembly direction, is connected this warp architecture other end.
7, double-frequency inverted F-type antenna according to claim 5 is characterized in that, this warp architecture is shaped as ㄇ type or horseshoe type.
8, double-frequency inverted F-type antenna according to claim 5 is characterized in that, this warp architecture and this first Department of Radiation are equidirectional.
9, double-frequency inverted F-type antenna according to claim 5 is characterized in that, this warp architecture and this second Department of Radiation are equidirectional.
10, double-frequency inverted F-type antenna according to claim 5 is characterized in that, the length of this first Department of Radiation is between 1/3rd wavelength to a five/wavelength of this first frequency band signals wavelength.
11, double-frequency inverted F-type antenna according to claim 5 is characterized in that, the length of this second Department of Radiation is between 1/3rd wavelength to a five/wavelength of this second frequency band signals wavelength.
12, double-frequency inverted F-type antenna according to claim 5 is characterized in that, this first Department of Radiation is a tabular metal.
13, double-frequency inverted F-type antenna according to claim 5, it is characterized in that, this first Department of Radiation includes a tabular metal, a sinuous metal plate and a rectangular flat metal plate, this tabular metal one end has a serpentine structure, and this rectangular flat metal plate vertically connects this serpentine structure, and this sinuous metal plate is vertically connected at this rectangular flat metal plate one side.
14, double-frequency inverted F-type antenna according to claim 5 is characterized in that, this first Department of Radiation includes a tabular metal and a rectangular flat metal plate, and this tabular metal one end vertically connects this rectangular flat metal plate.
15, double-frequency inverted F-type antenna according to claim 5 is characterized in that, this second Department of Radiation is a tabular metal.
16, double-frequency inverted F-type antenna according to claim 5, it is characterized in that, this second Department of Radiation includes a tabular metal, a sinuous metal plate and a rectangular flat metal plate, this tabular metal one end has a serpentine structure, and this rectangular flat metal plate vertically connects this serpentine structure, and this sinuous metal plate is vertically connected at this rectangular flat metal plate one side.
17, double-frequency inverted F-type antenna according to claim 5, it is characterized in that, this second Department of Radiation includes a tabular metal and a rectangular flat metal plate, and this tabular metal one end has a serpentine structure, and this rectangular flat metal plate vertically connects this serpentine structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200042254U CN201171084Y (en) | 2008-02-01 | 2008-02-01 | Dual-frequency reverse-F type antennae |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200042254U CN201171084Y (en) | 2008-02-01 | 2008-02-01 | Dual-frequency reverse-F type antennae |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201171084Y true CN201171084Y (en) | 2008-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200042254U Expired - Fee Related CN201171084Y (en) | 2008-02-01 | 2008-02-01 | Dual-frequency reverse-F type antennae |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201171084Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195126A (en) * | 2010-03-05 | 2011-09-21 | 深圳富泰宏精密工业有限公司 | Multi-frequency antenna |
| CN104659475A (en) * | 2013-11-15 | 2015-05-27 | 百慕大商泰科资讯科技有限公司 | Multi-frequency planar inverted-F-shaped antenna |
-
2008
- 2008-02-01 CN CNU2008200042254U patent/CN201171084Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102195126A (en) * | 2010-03-05 | 2011-09-21 | 深圳富泰宏精密工业有限公司 | Multi-frequency antenna |
| CN104659475A (en) * | 2013-11-15 | 2015-05-27 | 百慕大商泰科资讯科技有限公司 | Multi-frequency planar inverted-F-shaped antenna |
| CN104659475B (en) * | 2013-11-15 | 2018-07-06 | 百慕大商泰科资讯科技有限公司 | Level reverse T-shaped aerial of multifrequency |
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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: 20081224 Termination date: 20170201 |